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Патент USA US3071910

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Jan. 8, 1963
a. w. BALZ
3,071,900
CONTINUOUS FINISHING AND POLISHING MACHINE
Filed Feb. 15, 1961
e Sheets-Sheet 1
INVEN TOR.
GU/VTf/f/Q ‘4/- 8141 Z
BY
ATTUR/VE)’
Jan. 8, 1963
G. W. BALZ
3,071,900 I
CONTINUOUS FINISHING AND POLISHING MACHINE
Filed Feb. 15, 1961
6 Sheets-Sheet 2
Jan. 8, 1963
.
G. w. BALZ
'
3,071,900
CONTINUOUS'FINISHING AND POLISHING MACHINE
Filed Feb. 15, 1961
s Sheets-Sheet 3
INVEN TOR.
6U/VTHER W- BAZZ
BY
‘
7427/” Qr%/
147T
IVEY
Jan. 8, 1963
‘G. w. BALZ
3,071,900
CONTINUOUS FINISHING AND POLISHING MACHINE
Filed Feb. 15, 1961
e Sheets-Sheet 4
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INVENTOR.
aux/mm w. @442"
BY
W/
Jan. 8, 1963
3,071,900
G. W. BALZ
CONTINUOUS FINISHING AND POLISHING MACHINE
6 Sheets-Sheet 5
Filed Feb. 15, 1961
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INVEN TOR.
BY
M
ATOEA/EKY
Jan. 8, 1963
3,071,900
cs. w. BALZ
CONTINUOUS FINISHING AND POLISHING MACHINE
6 Sheets-Sheet 6
Filed Feb. 15, 1961
3w www
;:INVENTOR.
GOA/7H5? W 51412
3,071,900
United States Patent 0 ” 1C6
Patented Jan. 8, 1963
1
2
discharge end of one trough to the other and having 1
3,071,900
.
CONTINUOUS FINISHING AND
POLISHING MACHINE
Gunther W.- Balz, 2014 S. Westnedge Ave.,
Kalamazoo, Mich.
Filed Feb. 13, 1961, Ser. No. 88,811
13 Claims. (Cl. 51-463)
This invention relates to cleaning, ?nishing and polish
means for permitting variations in treatment during the
treatment cycle;
FIG. 17 is a side elevation of the machine of FIG. 16;
FIG. 18 is an end view of said machine taken from
the left end of FIGS. 16 and 17;
FIG. 19 is an end view of the trough showing the
form of guiding vane;
FIG. 20 is a top view of a portion of the trough show
ing machines and particularly to such machines in which 10 ing further details; and
,
the pieces to be ?nished or polished are ‘deposited in the
FIG. 21 is aperspective view of a section of the guide
machine either alone or along with stone chips or other
?nishing or polishing material.‘ This application is a
The invention consists generally in a ?nishing or polish
continuation-in-part of my application Ser. No. 862,901
ing machine having a trough adapted to receive the
?led December 30, 1959 for Continuous Finishing and 15 pieces to be ?nished or polished and the ?nishing or
Polishing, Machine, now abandoned.
polishing material such as stone chips. This trough has
Heretofore, such polishing and ?nishing have been
a rounded semi-cylindrical bottom and a receiving and
accomplished in tumbling barrels or in batch machines
a discharge end.
in which vibrations are imparted to the pieces to be
In the preferred form of the invention, a vibrator
?nished or polished and the ?nishing or polishing‘ ma 20 comprising a motor with a rotor having its axis parallel
terial, and in some cases attempts have been made to
to the axis of the trough is mounted directly on the
provide a continuous machine by tilting the container
trough, and an eccentric weight adapted to impart rotary
or barrel to provide a gravity feed.
vibration to said trough and its contents is mounted on
In the presentapplication the apparatus is continuous,
the rotor of the motor.
'
the pieces to be ?nished or polished and the ?nishing or 25
The vibrator comprising the motor and eccentric weight
polishing material being introduced together at one end
and the trough are supported as a unit on vibrating oscil
of the machine. The operation is then carried out and
lating mounts which permit vibratory movement of the
the ?nished pieces are fed positively and are then dis
trough and its contents along with the vibrator.
charged from the other end. This is accomplished with
When vibration is imparted by the motor, a rotary
30
a minimum of expenditure of power and easily and
motion generally around the axis of the trough is im
simply.
parted to the contents of the trough, and a plurality of
In one form of the invention the parts are so ar
generally transverse guiding vanes are mounted adjacent
ranged as to provide extreme versatility in treatment with
the bottom of the trough to cause the contents of the
a ‘minimum of parts providing in a single compact piece
trough to move from the receiving end to the discharge
of equiment in which extreme ef?ciency can be achieved 35 end of the trough. These vanes are disposed at an angle
and in which variation in treatment can be imparted
to the axis of the trough and incline toward the dis
during the cycle of tretament.
charge end and are disposed so that the contents of the
In the drawings there is shown a preferred form of
trough in their orbital movement impinge on the side
the apparatus and other forms which give highly satis 40 of the vanes which faces the discharge end of the trough.
factory results. It is understood that these are merely
The vanes are thus inclined in a manner similar to screw
exemplary of the invention and that the invention is
threads so that a positive feed will be obtained without
not limited to the speci?c forms shown.
having to tilt the trough in the direction of desired move
FIG. 1 is a side elevational view of appartus embody
ment of the pieces during treatment, and in fact the
pieces may be fed through a trough, even though they
ing the invention;
FIG. 2 is an end view taken from the left end of 45 have to be fed upwardly because of inclination of the
vanes.
FIG. 1;
FIG. 3 is a top plan view of the left end of the trough
shown in FIGS. 1 and 2;
_
~
trough. In fact by inclining the trough upwardly to
ward the discharge end or by positioning the discharge
of the trough at a position above the bottom of the
trough or above the level of the contents at the inlet
50 it is possible to control the residence time of the con
end for the trough;
7
FIG. 5 is a top plan view of FIG. 4;
tents of the trough and in the preferred form of the in
vention this is the usual practice.
FIG. 6 is a View in section of another form of trough
Mounted directly on the end of the trough are screen
suitable for use in carrying out the invention;
ing means which are vibrated with the trough. These
FIG. 7 is a view of the vibrator employed in carry
55 screening means receive and separate ‘the pieces which
ing out the invention;
_
have been ?nished ‘or polished from the ?nishing or pol
FIGS. 8 and 9 are, respectively, a top plan view and
ishing material and ‘also separate the pieces which have
an end view of oneform of guide suitable for carrying
been ?nished or polished and ‘the ?nishing or polishing
out the invention;
_
material from ?nes and waste.
FIGS. 10 and 11 are, respectively, a top plan view
In some ‘forms of the invention the means for separating
and an end view of another form of guide suitable for 60
the pieces [from the polishing or ?nishing material will
use in carrying out the invention;
not be an intergal part of the machine, and, of course, in
FIGS. 12 and 13 are, respectively, a top plan view
cases where no ?nishing or polishing material is added
and an end view of another form suitable for use in
and where the parts are merely tumbled together for
carrying out the invention;
FIGS. 14 and 15 are, respectively, a top plan view 65 cleaning or polishing purposes, separating means are not
necessary.
and an end view of another formtof guide suitable for
Means are provided for conveying the ?nishing or
use in practicing the invention;
polishing material back to the receiving end of the trough,
FIG. 16 is a top plan view of another form‘ of the
where it is added to a supply of pieces to be ?nished and
invention in which a pair of troughs are disposed in
70
FIG. 4 is a side View of a different form of discharge
parallel relation to feed [in opposite directions with 'ap
recirculated through the apparatus. The pieces and the
propriate means for transferring the contents from the
?nishing or polishing material may be added separately
3,071,900
3
to the trough, and will be in most instances, so that mixing
occurs in the trough.
In one form of the invention two troughs are mounted
in parallel relationship ‘for feeding in opposite directions
4
28 which carries the ?nishing material back to a bucket
conveyor indicated generally at 29 which picks up the
?nishing or polishing material in a direction indicated
by the arrows 30 in FIG. 2 carrying the material up to
and at the ends means are provided for transferring the 5 the hopper 16 for discharge through the spout 17 back
contents from one to the other. There may he means for
into the trough 1.
separating the work pieces from the chips or the like
Water may be supplied from a tank 31 through pipe
and for adding different treating material to the work
32 to nozzles Which discharge into the trough.
pieces during the transfer, all of which is described in
In operation of this machine, the pieces to be ?nished
detail hereafter.
10 and the ?nishing or polishing material are discharged into
The apparatus itself consists generally of a trough 1
the receiving end 3 of the trough. The vibration of the
which has a rounded semi-cylindrical bottom 2 and a
trough by the vibrator 9 creates a rotary motion around
receiving end 3 and a discharge end 4. This trough is
the axis of the trough and as the vibration and rotary
adapted to receive the pieces to be ?nished or polished
movements continue, the parts and polishing material
and the ?nishingr or polishing material, such as rock 15 are vibrated and tumbled together, thereby ?nishing or
chips or other similar abrasive.
polishing the pieces and the entire mass is fed from the
The trough extends generally horizontally and is sup
receiving end of the trough to the discharge end. The
ported for free movement in space on vibration isolating
vanes may be adjustable to vary the residence time in
mounts 5, each of which consists of a helical spring 6
the trough ‘and the length of treatment and may be of
bearing against an arm 7 which is secured directly to the
different forms so that they can serve as a screw or helix
trough and resting on a suitable ?xed support 8. Gen
in discharging the material.
erally there are four or more such supports, depending
In FIG. 6 another form of guiding vane is shown.
on the length of the trough.
This consists generally of a helix or screw 34 which ex
In the preferred ‘form of the invention, a vibrator 9
tends axially of the trough 101 which in this case is not
is mounted directly on the trough 1 to be supported there 25 provided with the screens, although screens can be used
with as a unit by the vibration isolating mounts. It con
in this form of trough. The helix consists of a central
sists, as shown in FIG. 7, of a vibratory motor 10 having
shaft 35 and the thread or guide portion 36 which is dis
a rotor 11 and carrying an eccentric weight 12. The ec
posed adj-acent the rounded bottom of the trough and
centric weight 12 is mounted between the bearings, but
extends axially.
it will be understood that it might be outboard of the 30
In FIGS. 8 and 9 another form of vane is shown. This
bearings. The rotor is mounted so that its axis 13 ex
vane 218 extends transversely across the bottom of the
tends generally parallel to the axis of the trough 2 so
trough. Both ends are ?xed to the sides of the trough
that the rotary vibrations imparted by the motor to the
201, which is similar to the trough 1. The upstream end
trough and its contents ten-d to impart a rotary or orbital
is indicated at 220 and the downstream end at 219.
motion to the contents of the trough around a generally 35
The vanes shown in FIGS. 8 and 9 are vertical. How
horizontally extending axis, causing said contents to ro
ever, the vanes may slant as shown in FIGS. 10 and 11.
tate generally about the axis of the trough.
Here the vane 318 slants, as can be seen from viewing
At the receiving end 3 of the trough is a hopper 14
FIG. 10.
having a discharge 15 adapted to discharge the pieces to
In FIGS. 12 and 13 another form of vane is shown.
be ?nished or polished into the receiving end of the 40 Here in the trough 401, corresponding to the trough 1, are
trough. A hopper 16 having a, discharge 17 is provided
for discharging the ?nishing or polishing material into
the receiving end of the trough as well.
two vanes, the vane 418 corresponding to the vane 18,
while a similar vane 450 extends from the other side of
the trough. Both vanes are disposed at an angle and they
are parallel. They do not meet at the center line.
of guiding vanes 18. In the preferred form of the inven 45
In FIGS. 14 and 15 another form of vane is shown.
tion these extend generally transversely of the trough
The vanes in the trough 401 which correspond to the
and, as shown in FIGS. 3 and 6, one end 19 of each vane
trough 1 extend to both sides of the trough. The vanes
is closer to the discharge end of the trough than the
513 correspond generally to the vanes 18. The vanes 550
other end 20, so that each vane inclines generally toward
correspond to the vanes 4-50 of FIGS. 12 and 13, but the
the ‘discharge end of the trough.
50 inner end of the vanes overlap at the center line of the
In the preferred form of the invention, the upstream
trough. They are in this case circular in form rather than
ends 20 of the vanes are secured to the side walls of the
semi-circular.
trough while their free ends 19 extend substantially to
All of these vanes accomplish the same end, namely, of
the center line of the trough. It has been found that
providing a continuous feed from the receiving end of the
with this arrangement, as the pieces or the ?nishing or 55 trough to the discharge end, so that a continuous rather
polishing material are rotated in the trough, there is a
than batch treatment may be employed, feeding in pieces
Within the bottom of the trough are ?xed a plurality
general overall movement from the receiving end to the
discharge end.
In order to facilitate continuous operation of the ap
of ?nishing or polishing material as needed, and operating
the machine continuously without stopping to remove
batches.
paratus, screening means indicated generally at 21 are 60
The feed is positive and effective and achieves ?nishing
mounted directly on the discharge end of the trough to
and polishing results which cannot be achieved through
separate the pieces after ?nishing from the ?nishing or
merely tilting the trough to cause the material to feed.
polishing material and to separate the ?nishing or polish
In operation of the machine, when it becomes desirable
ing material from the ?nes or waste. These means con
to unload the machine, the motor may be reversed, and
sist of an upper screen 22 sized and adapted to hold 65 when the end of the trough at the inlet is removed the en
back the ?nished pieces while letting the polishing or
?nishing material through. A second screen 23 below is
sized to retain the polishing or ?nishing material While
letting the ?nes and waste through. The ?nes and waste
tire machine may be emptied simply and e?iciently.
In the form of invention shown in FIGS. 16, 17 and 18
there are one or tWo horizontal troughs 601 and 701 gen
pass to a platform 24 and then out through a discharge 70 erally similar to the trough 1 each having a rounded semi
cylindrical bottom, 602 and 702 respectively, and each
25. A discharge 26 leads from the upper screen 22 to
conduct the pieces away from the apparatus. A discharge
spout 27 conducts the polishing or ?nishing material away
from the trough, and in the preferred form of the inven
tion the trough 27 discharges into a conveyor or trough
with its respective inlet or receiving end 6-33 and 703 and
discharge end 604 and 704. These troughs are disposed
generally horizontally and parallel to one another in
closely spaced relation at the same level but with their
3,071,900
~
6
5
receiving ends oppositely disposed, each adjacent the dis
charges directly into a receiving trough 745 which is
charge end of the other.
Each trough is supported for free movement in space
mounted directly on and opens into the trough 701.
The conveyor 740 is positioned to receive parts and
?nishing or polishing material from the spout 727 of
on vibration mounts respectively 605 for the trough 601
and 705 for the trough 7 01 which are respectively helical
or coil springs 606 and 706.
Each trough has mounted directly thereon a vibrator
609 and 709 corresponding to the vibrator 9 of FIG. 1,
each consisting of a motor having a rotor and an eccentric
weight. The axis of rotation, as in theform of invention
shown in FIG. 1, extends parallel to the axis of the trough
on which it is mounted so that rotary vibrations imparted
by the motor to the trough and its contents to impart an
trough 701. It slants downwardly toward the trough 601
vand has a discharge 744 which is adapted to discharge
into inlet spout 645 mounted on trough 601 and opening
into the receiving end thereof.
The conveyor 740 also has a discharge 746 from which
10 ?nished pieces may be discharged and a switch partition
747 which may be positioned as shown in FIG. 17 to di
rect parts into the trough 601 or which may be positioned .
to close the discharge 744 to discharge ?nished parts from
the apparatus.
generally horizontally extending axis.
Sprays 650 may be provided to wash the parts or supply
15
other liquid media to them both in the troughs 601
Each trough has a plurality of guide vanes similar to
those of FIG. 1 adapted to impart a longitudinal feeding
and 701 and in the conveyors 640* and 740.
This particular arrangement of the elements of the
motion or component to the contents of the trough as the
machine makes it possible to provide equipment in a mini
trough is vibrated to impart orbital movement to its con
orbital movement to the contents of the trough around a
20 mum of ?oor space and with this arrangement it is possible
tents.
to have continuous operation in which the parts are cir
The vanes shown are the preferred form since they give
complete and positive guidance to the contents of the
trough during the operation of the machine. The vanes
culated ?rst through trough 601 and then through trough
701.
If desired screens may be provided in place of or form
ing part of the conveyors so that the ?nishing or polish
ing medium may be removed, for instance, at the end of
treatment in trough 601. The parts may then be con
are in essence a continuous helix comparable to that
shown in FIG. 6 but they are produced by joining the sec
tions together which are anchored at the upper portion
of the trough.
veyed to trough 701 and different cleaning or polishing
The vanes ‘618 and 718 are identical. Each consists of
material may be incorporated.
a ?at piece of material which may be plastic or sheet metal,
When the machine is in operation the level of the
which is rounded at its bottom to conform generally with
contents of troughs is as indicated by the dotted line 651
the contour of the bottom of the trough. Each has a
in FIG. 17. Thus, as the troughs are vibrated the parts
central aperture 660 and the material is parted on the line
are fed along, and in case of FIG. 17, from right to left
extending upwardly therefrom as indicated at 661, form?
from the receiving to the discharging end and proper resi
ing two upper portions 662 and 663~which are secured as
indicated in FIGS. 16 and 20. The sections 662 and 663 35 dence time is achieved.
The present invention may be embodied in other speci?c
of adjacent sections are butted together so that in essence
forms without departing from the spirit or essential at
a continuous complete helix is formed extending from one
tributes thereof. It is therefore desired that the present
end to the other of the trough.
embodiments be considered as illustrative and not restric
‘By this arrangement'it is possible to assure very posi
tive guidance of the parts and contents through the trough
since the parts generally tend to move in the outer portion
of the orbit of movement of the contents of the trough.
Thus, as they are guided through the trough, they are
advanced from one turn of the helix to the next as they
40
tive, reference being had to the appended claims rather
than to the foregoing description to indicate the scope
of the invention.
I claim:
1. A ?nishing and polishing machine comprising a
pass by the guide vanes. By producing these vanes as 45 horizontally extending trough adapted to receive ?nishing
or polishing material and the pieces to be ?nished or
separate units it is possible to replace any worn section
which needs replacement easily and simply.
The general path of movement of the contents of the
polished and having a receiving end and a discharge end
and a semi-cylindrical rounded bottom extending longi
tudinally of the trough and a vibrator comprising a motor
trough is indicated by the arrow 664 in FIGS. 19 and 20
moving the material from the direction of the inlet end 50 mounted directly on said trough and having a rotor with
its axis extending longitudinally and parallel to the axis
which is at the top of FIG. 20 toward the outlet end which
of said rounded bottom and carrying a weight disposed ec
is toward the bottom of FIG. 20.
centrically to the axis of said rotor and adapted to rotate
The discharge end of each trough is more elevated than
eccentrically about the axis of said rotor to impart rotary
the bottom of the trough or the level of the contents of
vibrations to said trough and its contents and to thereby
55
the trough at its inlet. The orbital movement of the con
impart an orbital motion to the contents of said trough
tents of the trough imparted by the vibrator cooperating
with the vanes however causes the contents to feed from
the receiving end to the discharge end of each trough.
about a horizontally extending axis, said trough and
vibrator being supported as a unit for free movement in
space, said trough having ?xed adjacent the bottom there
Means are provided at both ends of the troughs to feed
the contents discharged from the outlet end of each trough 60 of a plurality of generally transverse guiding vanes each
disposed at an angle to the axis of said trough with one
to the inlet or receiving end of the other trough. The out
end closer to said discharge end than the other whereby as
let endof each of the troughs 601 and 701 is provided
rotary vibrations and movement are imparted to said
respectively with a discharge spout 627 and 727 which
trough and its contents, said contents move from the
discharges onto a conveyor. That at the discharge end
65 receiving end to the discharge end of said trough, and
of trough 601 is indicated at 640 and that at the dis
screening means mounted on the discharge end of said
trough and supported as a unit therewith for free move
ment in space to‘receive and to separate the pieces which
have been ?nished or polished from the ?nishing or polish
742.
.
70 ing material comprising an upper screen sized to hold back
said pieces and a second screen disposed .therebelow and
‘ Said conveyors 640 and 740 each has side walls 643 and
charge end of 701 is indicated at 7 40. Each consists of an
inclined trough mounted for free movement in space and
mounts 641 and 741 and having a suitable vibrator 642,
743, respectively.
’
' The conveyor 640 is disposed to receive parts and ?nish
sized to hold back said ?nishing or polishing material
while passing waste and ?nes, and means at the receiving
end of said trough for feeding parts and ?nishing and
ing or polishing material from the spout 627 and inclines
toward the trough 701. It has a discharge 644 which dis 75 polishing material to said receiving end.
3,071,900
7
2. A ?nishing and polishing machine comprising a hori
zontally extending trough adapted to receive ?nishing or
polishing material and the pieces to be ?nished or polished
8
horizontally extending trough adapted to receive ?nishing
or polishing material and the pieces to be ?nished or
polished and having ‘a receiving end and a discharge end
and a semi-cylindrical rounded bottom extending longi
tudinally of the trough and a vibrator mounted directly
of the trough and a vibrator ‘mounted directly on said
on said trough with its axis extending longitudinally and
trough with its axis extending longitudinally and parallel
parallel to the axis of said rounded ‘bottom and carrying
to the axis of said rounded bottom and carrying a weight
a weight disposed eccentrically to the axis of said vibra
disposed eccentrically to the axis of said vibrator and
tor and adapted to rotate eccentrically about the axis of
adapted to rotate eccentrically about the axis of said vi 10 said vibrator to impart rotary vibrations to said trough
brator to impart rotary vibrations to said trough and its
and its contents and to thereby impart an orbital motion
and having a receiving end and a discharge end and a
semi-cylindrical rounded bottom extending longitudinally
contents and to thereby impart an orbital motion to the
to the contents of said trough around a horizontally ex
contents of said trough around a horizontally extending
tending axis, said trough and vibrator being supported as
axis, said trough and vibrator being supported as a unit
a unit for ‘free movement in space, said trough having
for free movement in space, said trough having ?xed ad 15 ?xed adjacent the bottom thereof a plurality of generally
jacent the bottom thereof a plurality of generally transverse
transverse guiding vanes forming a generally helical guide
guiding vanes each disposed at an angle to the axis of said
feeding from the receiving end of said trough to the
trough with one end closer to said discharge than the
discharge end thereof.
other whereby as rotary vibrations and movement are im
6. A ?nishing and polishing machine comprising a
parted to said trough and its contents, said contents move 20 horizontally extending trough adapted to receive ?nishing
from the receiving end to the discharge end of said trough,
or polishing material and the pieces to 'be ?nished or
and screening means mounted on the discharge end of said
polished and having a receiving end and a discharge for
trough and supported as a unit therewith for free move
the pieces to be ?nished or polished and the ?nishing or
ment in space to receive and to separate the pieces which
polishing end and a semi-cylindrical rounded bottom ex
have been ?nished or polished from the ?nishing or polish 25 tending longitudinally of the trough and a vibrator com
ing material, and means at the receiving end of said trough
prising a motor mounted directly on said trough having a
for feeding parts and ?nishing and polishing material to
rotor with its axis extending longitudinally and parallel to
said receiving end.
the axis of said rounded bottom and carrying a weight
3. A ?nishing and polishing machine comprising a hori
disposed
eccentrically to the axis of said vibrator and
zontally extending trough adapted to receive ?nishing or 30
adapted to rotate eccentrically about the axis of said
polishing material and the pieces to be ?nished or polished
vibrator to impart rotary vibrations to said trough and
and having a receiving end and a discharge end and a
its contents and to thereby impart an orbital motion to
semi-cylindrical rounded bottom extending longitudinally
the contents of said trough around a horizontally extend
of the trough and a vibrator comprising a motor mounted
directly on said trough having a rotor with its axis ex 35 ing axis, said trough and vibrator being supported as a
unit for free movement in space, with said discharge in
tending longitudinally and parallel to the axis of said
a position elevated with respect to the bottom of said
rounded bottom and carrying a weight disposed eccentri
trough, said trough having ?xed adjacent the bottom there
cally to the axis of said vibrator and adapted to rotate ec
of a plurality of generally transverse guiding vanes each
centrically about the axis of said vibrator to impart rotary
disposed at an angle to the axis of said trough with one
vibrations to said trough and its contents and to thereby
end closer to said discharge end than the other whereby
impart an orbital motion to the contents of said trough
as rotary vibrations and movement are imparted to said
around a horizontally extending axis, said trough and
trough and its contents, said contents move from the re
vibrator being supported as a unit for free movement in
ceiving end to the discharge end of said trough.
space, said trough having ?xed adjacent the bottom thereof
7. A ?nishing and polishing machine comprising a
a plurality of generally transverse guiding vanes each 45
horizontally extending trough adapted to receive ?nishing
disposed at an angle to the axis of said trough with one end
or polishing material and the pieces to be ?nished or
closer to said discharge end than the other whereby as
polished and having a receiving end and a discharge for
rotary vibrations and movement are imparted to said
the pieces to be ?nished or polished and the ?nishing or
trough and its contents, said contents move from the re
polishing end and a semi-cylindrical rounded bottom ex
ceiving end to the discharge end of said trough.
tending longitudinally of the trough and a vibrator com
4. A ?nishing and polishing machine comprising a
horizontally extending trough adapted to receive ?nishing
prising a motor mounted directly on said trough having a
rotor with its axis extending longitudinally and parallel to
or polishing material and the pieces to be ?nished or
polished and having a receiving end and a discharge end
the axis of said rounded bottom and carrying a weight
disposed eccentrically to the axis of said vibrator and
and a semi-cylindrical rounded bottom extending longi
tudinally of the trough and a vibrator comprising a motor
adapted to rotate eccentrically about the axis of said
mounted directly on said trough having a rotor with its
vibrator to impart rotary vibrations to said trough and
axis extending longitudinally and parallel to the axis of
its contents and to thereby impart an orbital motion to
said rounded bottom and carrying a weight disposed
the contents of said trough around a horizontally extend
eccentrically to the axis of said vibrator and adapted to 60 ing axis, said trough and vibrator being supported as a
rotate eccentrically about the axis of said vibrator to
unit for free movement in space, with said discharge ele
impart rotary vibrations to said trough and its contents
vated above the level of the contents of said trough at the
and to thereby impart an orbital motion to the contents
receiving end when it has been charged, said trough hav
of said trough around a horizontally extending axis, said
ing ?xed adjacent the bottom thereof a plurality of gen
trough and vibrator being supported as a unit for free
erally transverse guiding vanes each disposed at an angle
movement in space, said trough having ?xed in the bot
to the axis of said trough with one end closer to said
tom thereof a plurality of ‘generally transverse parallel
discharge end than the other whereby as rotary vibrations
guiding vanes each extending from one side of the trough
and movement are imparted to said trough and its con
substantially to the center line thereof and at an angle to
tents, said contents move from the receiving end to the
discharge end of said trough.
the axis of said trough and toward the discharge end
thereof whereby as rotary vibrations and movement are
imparted to said trough and its contents, said contents
move from the receiving end to the discharge end of said
trough.
8. A ?nishing and polishing machine comprising a
pair of troughs adapted to receive ?nishing and polishing
material and the pieces to ‘be ?nished or polished, each
having a receiving end and a discharge end having a dis
5. A ?nishing and polishing machine comprising a 75 charge opening elevated with respect to the bottom of said
3,071,900
10
trough and a semi-cylindrical rounded bottom extending
longitudinally of the trough and a vibrator comprising a
motor mounted directly on said trough and having a rotor
with an axis parallel to the axis of said rounded bottom
a
a
supported as a unit for free movement in space, said
trough having disposed therein a plurality of generally
transverse guiding vanes, each disposed at an angle to the
axis of said trough with one end closer» to said discharge
than the other, whereby as rotary vibrations and move—
ment are imparted to said trough and its contents, said
and carrying a weight disposed eccentrically to the axis
of said rotor and adapted to rotate eccentrically about the
axis of 'said rotor to impart rotary vibrations to said
trough and its contents and to thereby impart an orbital
contents move from the receiving end to the discharge
end of said trough, said troughs being disposed in parallel
motion to the contents of said trough around a horizon
relationship to one another with the discharge end of one
tally extending axis, said trough ‘and motor being sup 10 adjacent the receiving end of the other, and a conveyor
ported as a unit for free movement in space, said trough
having disposed therein a plurality of generally transverse
, guiding vanes, each disposed at an angle to the axis of
positioned to receive the discharge from one of said
troughs and to convey discharged material to the receiv~
ing end of the other, and having a separatory screen, for
separating pieces to be ?nished or polished from the
said trough with one end closer to said discharge than
the other, whereby as rotary vibrations and movement are 15 ?nishing or polishing material.
imparted to said trough and its contents, said contents
' move from the receiving end to the discharge end of said
11. A ?nishing and polishing machine comprising a
pair of troughs adapted to receive ?nishing and polishing
material and the pieces to be ?nished or polished, each
having a receiving end and a discharge end having a dis
ship to one another with the discharge end of one adja
cent the receiving end of the other, and a pair of con 20 charge opening elevated with respect to the bottom of
said trough and a semi-cylindrical rounded bottom extend
veyors, one positioned to receive the discharge ‘from each
ing longitudinally of the trough and a vibrator comprising
of said troughs and to convey discharged material to the
a motor mounted directly on said trough and having a
receiving end of the other, one of said conveyors being
rotor with an axis parallel to the axis of said rounded
provided with a separatory screen, for separating pieces
to be ?nished or polished from the ?nishing or polishing 25 bottom and carrying a weight disposed eccentrically to
the axis of said rotor and adapted to rotate eccentrically
material and the other being provided with means for
about the axis of said rotor to impart rotary vibrations to
directing the contents discharged thereon away from said
said trough and its contents and to thereby impart an or
?nishing and polishing machine or into the receiving end
bital motion to the contents of said trough around a
of one of said troughs.
trough, said troughs being disposed in parallel relation
9. A ?nishing and polishing machine comprising a pair
of troughs adapted to receive ?nishing and polishing ma
terial and the pieces to be ?nished or polished, each hav
horizontally extending axis, said trough and motor being
supported as a unit for free movement in space, said
trough having disposed therein a plurality of generally
transverse guiding vanes, each disposed at an angle to the
ing a receiving end and a discharge end having a dis
axis of said trough with one end closer to said discharge
charge opening elevated with respect to the bottom of
said trough and a semi-cylindrical rounded bottom ex— 35 than the other, whereby as rotary vibrations and move
ment are imparted to said trough and its contents, said
tending longitudinally of the trough and a vibrator com
contents move from the receiving end to the discharge end
prising a motor mounted directly on said trough and hav
ing a rotor with an axis parallel to the axis of said
rounded bottom and carrying a weight disposed eccentri
cally to the axis of said rotor and adapted to rotate eccen
of said trough, said troughs being disposed in parallel re
lationship to one another with the discharge end of one
adjacent the receiving end of the other, and a conveyor
trically about the axis of said rotor to impart rotary
vibrations to said trough and its contents and to thereby
impart an orbital motion to the contents of said trough
around a horizontally extending axis, said trough and mo
positioned to receive the discharge from one of said
troughs and to convey discharged material to the receiving
end of the other.
12. A ?nishing and polishing machine comprising a
said trough having disposed therein a plurality of generally
or polishing material and the pieces to be ?nished or
polished and having a receiving end and a discharge end
with a discharge raised with respect to the mean normal
level of material in said trough and a semi-cylindrical
horizontally extending trough adapted to receive ?nishing
tor being supported as a unit for free movement in space, 45
transverse guiding vanes, each disposed at an angle to the
axis of said trough with one end closer to said discharge
than the other, whereby as rotary vibrations and move
rounded bottom extending longitudinally of the trough
ment are imparted to said trough and its contents, said 50
and
a vibrator comprising a motor mounted directly on
contents move from the receiving end to the discharge end
said trough and having a rotor with its axis extending
of said trough, said troughs being disposed in parallel re
longitudinally and parallel to the axis of said rounded
lationship to one another with the discharge end of one
bottom
and carrying a weight disposed eccentrically to
adjacent the receiving end of the other, and a pair of
the
axis
of said rotor and adapted to rotate eccentrically
conveyors, one positioned to receive the discharge from 55
about the axis of said rotor to impart rotary vibrations to
each of said troughs and to convey discharged material to
said trough and its contents and to thereby impart an
the receiving end of the other, one of said conveyors being
orbital
motion to the contents of said trough around a
provided with means for directing the contents discharged
thereon away from said ?nishing and polishing machine
or into the receiving end of one of said troughs.
10. A ?nishing and polishing machine comprising a
pair of troughs adapted to receive ?nishing and polishing
horizontally extending axis, said trough and vibrator be
60 ing supported as a unit for free movement in space, said
trough having ?xed adjacent the bottom thereof a helical
guide having a through central aperture extending general
ly axially of said trough and comprising a plurality of units
material and the pieces to be ?nished or polished, each
each comprising substantially one turn of said guide and
having a receiving end and a discharge end having a dis
charge opening elevated with respect to the bottom of 65 comprising a flat sheet extending generally transversely of
the trough and having a central aperture and a cut ex
said trough and a semi-cylindrical rounded bottom ex
tending vertically therefrom to form two terminals of said
tending longitudinally of the trough and a vibrator com
turn, said members being mounted from the top thereof
prising a motor mounted directly on said trough and hav
with one terminal end in close proximity to a terminal end
ing a rotor with an axis parallel to the axis of said rounded
bottom and carrying a weight disposed eccentrically to 70 of the next member and the other terminal end spaced
longitudinally of said trough and in line with and ad
the axis of said rotor and adapted to rotate eccentrically
jacent the terminal end of the next member.
about the axis of said rotor to impart rotary vibrations to 7
13. A ?nishing and polishing machine comprising a
said trough and its contents and to thereby impart an
horizontally extending trough adapted to receive ?nishing
orbital motion to the contents of said trough around a
horizontally extending axis, said trough and motor being 75 or polishing material and the pieces to be ?nished or
3,071,900
11
‘polished and having a receiving end .and a discharge end
12
supported as a unit for free movement in space, said
with a discharge raised with respect to the mean normal
trough having ?xed adjacent the bottom thereof a helical
level of material in said trough and a semi-cylindrical
guide having a through central aperture extending general
ly axially of said trough.
rounded ‘bottom extending longitudinally of the trough
and a vibrator comprising a motor mounted directly on 5
‘said trough and having a rotor with its axis extending
longitudinally and parallel to the axis of said rounded
bottom and carrying a weight disposed eccentrically to the
axis of said rotor and adapted to rotate eccentrically
about the axis of said rotor to impart rotary vibrations to 10
said trough and its contents and to thereby impart an or
bital motion to the contents of said trough around a hori
zontally extending axis, said trough and vibrator being
References Cited in the ?le of this patent
UNITED STATES PATENTS
1,741,019
2,143,610
2,319,007
2,554,022
2,912,800
Harrington ___________ __ Dec. 24,
Muller et a1 ____________ __ Jan. 10,
McCarthy ___________ __ May 11,
vGould _______________ __ May 22,
Smit-h-Gorman _______ __ Nov. 19,
1929
1939
1943
1951
1959
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