close

Вход

Забыли?

вход по аккаунту

?

код для вставки
Oct. 1‘5, 1946.
ì
ì
w. MccLAlN
~ 2,409,440 A
RIVET_ SORTING MACHINE
Filed April 26, 1944'
2 Sheets-Sheet 2
„f1/diz@ Mgczain
Patented Óct. 15, 1946
2,409,440v
UNITED STATES AI’QAÍI'lzlßl'l' OFFICE L
i
2,409,440
`
RIVET rSQRTING MACHINE
Waite McClain, Canton, Ohio
kApplication April 26, 1944, Serial-No. 532,787`
`6 Claims.
1
(Cl. 299-101)
2
'The invention relates to a machine forsorting
rivets and the like, and more particularly to a
machine for sorting the rivets as to diameter,
therein for feeding rivets at the proper speed
to the sorting mechanism.
Still another object ¿is the provision of a rivet
length and head shape.
'
sorting machine including a rotating cylinder
During the present emergency enormous quan
with spirally located spring loaded dogs thereon
tities `of rivets, of aluminum or other high Cost
cooperating with a notched plate for separating
metals or alloys, and of varying lengths and di
rivets of different diameters.
ameters `and with several diiferent shapes of
A further object of the invention is to provide
heads, are being used in the manufacture of War
Va rivet sorting machine having a rotating,
equipment, especially aircraft.
1.0 notched .disc With feeding means for feeding
Many of these rivets are dropped upon the
rivets thereto so that they will hang vertically in
floor where all sizes and styles of rivets become
the notches of .thedisc and a plurality of rapidly
mixed together, and in such condition they can
rotating elliptical knockout discs located at pro
only be sold Aas scrap for only a small fraction
gressively increasing heights below the periph
of their initial cost. In large factories the value 15 eral portion of the disc for separating rivets of
of rivets _thus dropped upon the floor amounts
diíerent lengths.
to several hundred dollars every day.
„ `A still fprtgher object is the provision of a
In order to prevent the considerable loss in
rivet sorting machine having vmeans for sepa
curred by selling such rivets for scrap, eiiorts
_rating rivets with different styles of heads, said
have `been made to re-sort these rivets by hand, 20 means ¿including `a rotating, peripherally notched
but owing to the slight differences in length and
disc with feeding ¿means for feeding the rivets
diameter between many of these rivets, this is _a
thereto, a novel knockout means ‘for removing
slow, tedious and expensive operation,v and is not
all _rivets with flat heads at one point, yan angular
generally used since it is not practical or eco
iinger .extending above the peripheral portion of
nomical.
25 the disc at a point beyond said knockout means
Attempts have also been made to produce ma
,and in the ¿path of theheads ,of the round head
chines for sorting such rivets but such machines
_rivets for separating theround head rivets at
as have been put into use have not proven prac
this point, and a similar finger extending ¿be
tical o1` economically satisfactory for separating
neath the peripheral portion of the disc at a
rivets of different diameters and different 30 further point _and in -the path of the Shanks
lengths and for separating rivets having flat
heads, round heads and countersunk heads from
each other.
of me lrivets for removing .the .couetersunk _head
rivets at this point.
»
It is therefore an object of the `present inven
tion to provide a sorting machine which will
satisfactorily and economically sort rivets of dif
ferent sizes.
`
`
It is another »ob-ject 4of the «invention to gener
ally `improve and simplify _the construction and
operation of machines _of this `character so that
Arivets of difîerent ,diametersand different Alengths
,
and of I,three or more different head styles may
yAnother object is to provide such a machine
be fed 4‘to Vthe vmachine ,and vquickly and eñiciently
which will sort rivets of different diameters and
separated so that in _ashort time all rivets of 4the
of different lengths, separating all rivets of each 40 same length and Same diameter and with `the
diameter and all rivets of _each length of any
same style of head may be segregated.
given diameter.
'
A further object is to provide a machine which
will sort. rivets with different `styles of heads,
separating the ‘flat head rivets, round head rivets
and countersunk head rivets from each other.
A still further `object of the invention -is -to
provide a «machine of this kind which operates
entirely automatically and which Will quickly and
efiiciently accomplish the sorting of the rivets
so >`that considerable saving of labor is effected.
Another V,Object is to provide a rivet sorting
machine having _a novel feeding device compris
ine ,a rotary drnm .with radial elevator ,Plates
The above objects together with others which
will beapparent from the drawings and following
description, lor which may be later referred to,
may be attained ¿by constructing the improved
rivet sorting machine in the manner illustrated
in the accompanying ,drawings in which
Figure 1 is a vertical sectional View of the feed
ing mechanism by means of which rivets may be
fed to the Ísorting >mechanism at the proper rate
`of, speed;
'
‘
\
`
-2‘is a front sectional Velevation Yof thegfeed
_ing drum Vvvitrh „the adjustable elevator plates
therein;
`
-
`
Y
"
‘
"
Eig. -3 „a Vtop plan jvißW‘of `thegnechanism for
2,409,440
sorting rivets of diiïerent diameters with the
top wall of the housing and the notched plate
4
,cated at spaced intervals throughout the lengths
of the cylinder.
Each of the end plates or heads 43 of the cyl
inder may be provided with an arcuate groove 44,
removed;
Fig. 4 a transverse sectional view through the
sorting mechanism shown in Fig. 3, taken as on
the line 4_4, Fig. 3;
Fig. 5 an enlarged detail sectional view taken
as on the line 5_5, Fig. 3;
and a bolt or screw 45 in one leg of each endmost
spider 42 may be extended therethrough for ad
justing the position of the shaft or spider rela
tive to the cylinder.
' A plurality of tie rods dâ may be located longi
on a larger scale of the notched plate or comb 10 tudinally through the cylinder near the periphery
Fig. 6 a fragmentary detail sectionalview taken
thereof, extending through the heads 43 thereof,
nuts 41 being provided upon opposite ends of the
said tie rods for holding the cylinder in assembled
which cooperates with the spirally located spring
loaded dogs upon the cylinder.
General description
'
The improved rivet sorting machine includes
briefly a feeding mechanisrnfor feeding rivets
at the proper rate of speed to the sorting mech
condition.
'
' The cylinder is provided throughout its length
ywith a spirally arranged series of slots 48 and
curved dogs 49 are pivotally mounted upon the tie
rods 43 and project through said slots, coil springs
anism of the machine; a cylinder unit to which
5D connecting the inner ends of the dogs to the
the rivets of various diameters, lengths and head 20 ,spiders 42 so that the dogs will normally project
styles are fed from the feeding mechanism, the
through the slots but are ñexibly mounted s-o that
cylinder unit separating rivets `of different di
they may be independently pushed inward.
ameters, regardless of lengths or head styles; one
A notched plate or comb 5i is suspended from
or more disc units to which rivets of each di
the top plate 52 of the housing at a point directly
ameter, but regardless of length or head size are
above the top of the cylinder and provided at its
>fed from the cylinder unit, this disc unit separat
lower end with a plurality of notches «3 positioned
ing the rivets according to length but regardless
to receive the dogs 49 as the cylinder is rotated in
of head styles; and another disc unit to which
the direction of the arrows shown in Fig, 4.
rivets of each length and diameter are fed from
Transverse, flexible bafñes 52a may be suspended
the previous unit, this last disc unit separating
30 at intervals from the top plate 52. These flexible
the rivets as to head styles so that after the rivets
baiiles, as shown in Fig. 4 have their lower edges
have passed through the final separating unit all
inclined and slightly spaced above the inclined
plate 54, as indicated at 52h, and their inner edges
rivets of one diameter, one length and one head
style are segregated.
are arcuate, as indicated at 52e and slightly
spaced from the periphery of the cylinder 39,
.An inclined plate 54 is located longitudinally
through the housing and extends downwardly
Feeding mechanism
> The feeding mechanism shown in Figs. 1 and 2
comprises a oylindric drum indicated generally at
from a point near the back wall 55 of the housing
28, open at its outer side as at 2l and mounted for
to a point slightly spaced from the cylinder. This
rotation upon an inclined axis as indicated at 22 40 inclined plate may be adjusted toward or from
so that the drum is tilted slightly backward as
the cylinder by means of the bolts 55 carried by
the depending lugs 5'! at opposite ends of the
shown in Fig. 1.
` The shaft 23 of the drum may be journalled
plate 54 and located through the slots 58 in the
walls 59 of the housing.
mounted upon a base 25 and a worm gear 21 may
The inner edge S0 of the inclined plate 54 is
be fixed upon said shaft and arranged to mesh
parallel with the cylinder 39 throughout a con
with a worm screw 28 upon the outer end of which
siderable portion of its length and is spaced from
is ñxed a pulley 2S driven as by the belt 3|! from
the cylinder a suñìcient distance to allow only the
a motor or other suitable source o-f power.
smallest size of rivet being sorted to pass between
A plurality of spaced lugs 3l are fixed upon the 50 the edge <59 of the plate and the cylinder and drop
interior of the drum 2i) adjacent -to the back wall
intothe receptacle or chute 6l located in the lower
32 thereof, each lug having aradial face 33 upon
portion of the housing.
which is adjustably mounted an elevator plate 34
Beyond this point the inner edge of the plate 54
by means of the bolts 35 located through elon
is progressively cut away at intervals as indi
gated slots 36 in the plate.
. cated at 52, each cut away portion being parallel
An inclined chute 31 maybe supported, as upon
with the cylinder and so spaced therefrom that
the bracket 38 mounted upon the base 26, the up
each cut away portion 52 will permit the next
per open end of said chute extending into the
larger diameter of rivet to pass between the same
drum and terminating at a point spaced from the
and the cylinder dropping into the corresponding
top thereof, as shown in Figs. 1 and 2 in position 60 receptacles or chutes 63 in the lower portion of
to receive the rivets from each elevator plate 34
the housing from which they may be conveyed.
as it is rotated to the top of the drum.
The end walls 59 of the housing are mounted
‘ Rivets of all diameters, lengths and head styles
upon the base 64 as by the angular brackets 65
may be thrown into the drum and will be fed at
and may be tied together as by the longitudinal
the proper rate of speed to the conveyor or chute tie rods 66. A pulley 61 may be fixed upon the
3l through which they will pass by gravity to the
shaft 43 of the cylinder and driven by a belt con
cylinder unit shown in Figs. 3 and 4.
nected to any suitable source of power 'for ro
tating the cylinder 39 in the direction of the ar
through bearings 24 formed on a gear housing 25
Diameter sorting mechanism
" This una induces a housing indicated gen
. __ ,rows shown in Figs. 3 and 4.
70
erally at 38,»a-h0llow cylinder 33 being mounted
longitudinally therethrough near` one side of the
housing. The shaft 4G of the cylinder is journalled
in-bearings 4I in the side walls of the housing 38 E. v
and has fixed thereon a plurality of spiders 42 lo
Inthe operation of this unit of the machine
rivets of various diameters and lengths and with
flat, round and countersunk heads may be fed at
the desired lrate of speed from the feeding mech
anism through the chute` 31 from which they are
deposited upon the inclined plate 54 at the en
2,409,440
trance end of the machine which is at the left
side thereof as Viewed in Fig. 3.
As the cylinder 39 revolves the rivets are con
tinuously agitated by the spirally located spring
loaded dogs 49 the smallest diameter rivets being
dropped between the cylinder and the edge 60 of
the plate into the receptacle or chute 6l, while
all rivets of larger diameters will be thrown
about and turned by the dogs 49 until they hang
vertically through the space between the cylin
der and the edge 6E! of the plate, with their Shanks
down as indicated at R in Fig. 5.
'
6
>through said slots, an inclined plate having its
lower edge spaced from and parallel with the cyl
inder, a portion of the lower edge of the plate
being so spaced from the cylinder that only the
smallest rivets may pass between the plate and
the cylinder, the remainder of said lower edge of
the plate being progressively cut away to allow
progressively larger diameter rivets to pass be
tween the same and the cylinder, and means for
feeding rivets to said inclined plate.
4. A machine for sorting rivets in accordance
with their diameter, comprising a substantially
horizontal cylinder having slots in its peripheral
portion, a spirally arranged series of spring loaded
These larger rivets are ‘carried to the right
along the edge 60 of the plate by means of the
spirally located dogs 49 and as they reach the cut 15 projections operating within the cylinder through
away porti-ons 62 at the edge of the plate they are
said slots, an inclined plate having its lower edge
separated according to diameters dropping into
spaced from and parallel with the cylinder, a por
the proper receptacle or chute 63 as they reach
tion of the lower edge of the plate being so spaced
the out away portion $2 of the plate which is
from the cylinder that only the smallest rivets
spaced sufliciently from the cylinder to permit
may pass between the plate and the cylinder, the
them to pass therebetween.
remainder of said lower edge of the plate being
If desired, the last cut away portion 62a of the
progressively cut away to allow progressively
plate may provide a sufficiently wide space to per
larger diameter rivets to pass between the same
mit all rivets beyond a certain diameter to drop
and the cylinder, a housing enclosing said cylin
therethrough. These larger size rivets may be 25 der and inclined plate, a slotted plate extending
again run through the machine after the inclined
from the top of the housing to the top of the cyl
plate 54 is adjusted relative to the cylinder so that
inder and having spaced sl-ots to receive said pro
these larger size of rivets may be sorted. It
jections, transversely disposed ba?lles suspended
should be understood of course that the unit
from the top of the housing above the cylinder
shown in Figs. 3 and 4 may be made of such
and inclined plate and means for feeding rivets
length that the inclined plate 54 may have a
to said inclined plate.
suiiicient number of cut away portions $2 to sep
5. A machine for sorting rivets in accordance
arate all diameters of rivets in one operation.
with their diameter, comprising a substantially
I claim:
horizontal cylinder having slots in its peripheral
l. A machine for sorting rivets in accordance
portion, a spirally arranged series of pivoted,
with their diameter, comprising a substantially
horizontal cylinder having slots in its peripheral
portion, a spirally arranged series of pivoted,
spring loaded projections operating within the
cylinder through said slots, an inclined plate hav
ing its lower edge spaced from and parallel with
the cylinder, a portion of the lower edge of the
plate being so spaced from the cylinder that only
the smallest rivets may pass between the plate
and the cylinder, the remainder of said lower edge 45
of the plate being progressively cut away to allow `
progressively larger diameter rivets to pass be
tween the same and the cylinder, and means for
spring loaded projections operating within the
cylinder through said slots, an inclined plate hav
ing its lower edge spaced from and parallel with
the cylinder, a portion of the lower edge of the
plate being so spaced from the cylinder that only
the smallest rivets may pass between the plate
and the cylinder, the remainder of said lower
edge of the plate being progressively cut away
to allow progressively larger diameter rivets to
pass between the same and the cylinder, a slotted
plate extending from the top of the housing to
the top of the cylinder and having spaced slots
therein to receive said projections, and means for
feeding rivets to said inclined plate.
feeding rivets to said inclined plate.
2. A machine for sorting rivets in accordance 50
6. A machine for sorting rivets in accordance
with their diameter, comprising a substantially
with their diameter, comprising a substantially
horizontal cylinder having slots in its peripheral
horizontal cylinder having slots in its peripheral
portion, a spirally arranged series of flexibly
portion, a spirally arranged series of iiexibly
mounted projections operating within the cylin
mounted projections operating within the cyl
der through said slots, an inclined plate having
inder through said slots, an inclined plate having
its lower edge spaced from and parallel with the
its lower edge spaced from and parallel with the
cylinder, a portion of the lower edge of the plate
cylinder, a portion of the lower edge of the plate
being so spaced from the cylinder that only the
being so spaced from the cylinder that only the
smallest rivets may pass between the plate and
smallest rivets may pass between the plate and
the cylinder, the remainder of said lower edge of 60 the cylinder, the remainder of said lower edge of
the plate being progressively cut away to allow
the plate being progressively cut away to allow
progressively larger diameter rivets to pass be
progressively larger diameter rivets to pass be
tween the same and the cylinder, and means for
tween the same and the cylinder, a slotted plate
feeding rivets to said inclined plate.
extending from the top of the housing to the top
3. A machine for sorting rivets in accordance
65 of the cylinder and having spaced slots therein
with their diameter, comprising a substantially
to receive said projections, and means'for feeding
horizontal cylinder having slots in its peripheral
rivets to said inclined plate.
portion, a spirally arranged series of spring
loaded projections operating 'within the cylinder
'
WAITE MCCLAIN.
Документ
Категория
Без категории
Просмотров
0
Размер файла
643 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа