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Патент USA US2409376

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Oct. 15, 1946-
J. 5. MCGUIRE
2,409,375
APPARATUS FOR CONTOURING THE ENDS OF TUBULAR STOCK
Filed May 7, I942
.2.
2 Sheets-Sheet l
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INVENTOR.
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I Get. 15, 1946-
J. s. MCGUIRE
2,409,375
APPARATUS FOR ‘CONTOURING THE ENDS OF TUBULAR STOCK
Filed May '7', 1942;
' 2 Sheets-Sheet 2
/5
, /06
Patented Oct. 15, 1946
2,409,375
UNITED "STATES mi
mm "
:- APPARATUS ‘FOR .CONTOURING THE rENDS
OF-».’JEUBULA.RYSTOGK
-
“John-‘S. Mc Guirediansas ‘City,'-’Kans., assi‘gnorv to
‘Mo., as trustee
rApplicationMay 7, 1942, tSerial‘ No.-¢442',048
> 1‘ Claim.
“This ‘invention relates.‘ to; equipment "for shap
.ing‘the' ends of tubular members andlhasfor a
primary objecti'the provision of means associated
with. a stationary cuttingtorch for both rotating
"the tubeand moving. the same. in apathparallel
to ‘its'longitu'dinal axis.‘ '
(alias-421)
‘.2
.
= illustrating. the ‘transverse and longitudinalcom
_, ponents thereof.
.The ; preferred embodiment of .the'. invention .is
..clear;ly.illustrated inF-‘igs. .l=to.4 inclusive. ‘,The
.tubular stock ‘ being‘treated is‘ indicated '. by @t'he
..numeral_ . l2 -andisshoWn in the‘ s‘aidi‘?g‘ure‘s'lin
.This .invention has for a further primary ob~
.place adjacent .to a. conventional cutting torch
‘J'ect to provide apparatusfor contouring the ends
M, rigidly. mounted. upon. a. bench .orothensuita
.of tubular stock whereina ‘multi-part support
H1318. support. t6.
,
v‘for the stock is included'injuxtaposition with a 10
The form which the tube» l2 toxassumeaafter
relatively stationary cutting torch, which multi
part supporthas the ‘template associated .there
with whereby the‘ transverse and longitudinal
components ‘thereof serve to control the rotary
and longitudinal movement of the tube.
‘ ‘
_
"This applicationis a. continuation in part of my
co-pending application, Serial N0. 371,367, ?led
December"'23, -1940, and. relating to substantially
the same type of equipment, but wherein the
torchiis movable.
.
‘Thisihvention ‘has. for its further aim topro
vide tube. handling and forming equipment of
the. aforementioned.character, embodying alarge
number of .unique and novelly arranged parts
incorporating ‘minor .objects of the invention,’
some of which will. appear during ‘the course‘ of
the following speci?catiomireferring to .the- ac
companying- drawings wherein:
1 torch M has “completely acted .thereon through
. one cycle of ‘operation, iscontrolledby-the trans
verse and longitudinal components .of 1‘ template
“ it}, .operabIy mounted with .respect ttoltube .12.
15 .Throughout :the .- following
speci?cation, . the
_ transverse,components. of . template ..I 8 will . refer
tattle, :portions. of»v the face of ‘said vtemplate .that
. areedisposedaat substantially right angles ftQ the
eiength. of "tube 42. The elong-itudinal: component
20, refers‘. to' the faces. of . template itaextending :sub
:stantially parallel (to : the longitudinale-axis of
tuber-i2. .Thesiaceof itemplate~l8, obviously, in
. eludes components between these two. directions,
.butit will? beiunderstood that when» angular ‘com
25 ...ponents areencountered bylthe hereinaftende
ascribed driving roller, a combination. .of both .the
...transverse and zllongitudinal,‘components ‘will
.effect' a movementvatanangle to said twocom
.Fig. 1 is a topplan viewcf equipment for con
~,ponents.and thereby serveto establish lanyide
..touring theendsof tubular‘stock, made in ac~ 30 isired contour at the end of tube-l2 as it ismoved
cordance with-the present invention.
.with‘ respect ltoi'stationaryr‘ torch‘ l4.
.Fig. -2.is a longitudinal vertical centralsectional
:Apparat-us .-. for ‘ sober-ably mounting . ‘ tube :12 is
View through the device illustrated in Fig. 1,
carried
by support-.46; and in a simpleform, com
(taken on lineIL-Il? thereof.
.Fig. 3. is‘a-‘VerticaI cross'sectional view taken on
’ line III-IIIof Rise.
Fig. 4 is an enlarged fragmentarydetailedsec- ,
tion-altview;takeironrline IV—-IV of Fig. 2.
:gprises , platform .20 \ mounted 1 for rectilinear. re
_ ciprocation upon support? 6 through thermedium
act rollers: Ziand-brackets?d. ‘These rollers travel
in a: tract It 6: on support 16 and. con?ne the-move
~ment i'of platform? ‘29130 i a, path ‘ofptravell parallel
‘to; the longitudinal axis of tube 12.
,
Fig. 5 is a fragmentary sectional view taken on
line V—V of Fig. 4.
40
A table 28 carried by platform 20 is bodily mov
Fig. 6 is a fragmentary condensed longitudinal
able with said platform but also relatively shift
sectional view through the slag collecting mecha
nism.
able with respect thereto in a path of travel per
pendicular to the path of travel of the platform
Fig. 7 is a sectional view through a portion of
20. In other words, the movement of table 28 is
an apparatus for contouring the ends of tubes, 45 perpendicular to the longitudinal axis of tube l2.
embodying a modi?ed form of the invention.
This table ‘28 is carried by rollers 30 operably
resting in transverse grooves 32 formed in plat
Fig. 8 is a side elevational View of a portion of
form 2!). Template I8 is mounted on table
a tube after the end thereof has been formed.
Fig. 9 is a fragmentary elevational View of the 50 , 28 through the medium of wing nuts 34 or anal
ogous mechanical means easily manipulated by
formed tube, illustrated in Fig. 8, showing the
the operator to the end that template I8 may be
manner in which the same is attached to a com
replaced as desired.
panion structural member; and
A magnetic roller 36 is driven by motor 38
Fig. 10 is a view of the template employed in
forming the end of the tube shown in Fig. 8 and 55 along the contoured’edge of template l8 and as
components of said edge are traversed, platform
2,409,375
20 and table 28 will be shifted to move tube I2
longitudinally and rotate the same.
Rotation of tube I2 is effected through the man
ner of mounting the same upon platform 20. The
4
ton 12 is introduced and exhausted through tubes
14 and any suitable valving that may be employed.
Conventional arrangements of parts well
, known in the arts may be used to move piston 12
tothe position shown in Fig. 6 where trough 66
apparatus employed for this purpose comprises
is below the point of cut in tube I2. Thus, when
a number of lapped, supporting discs 40 freely
slag is collected in trough 6B,,the latter may be
mounted for rotation by bearings 42. One of the
withdrawn and the slag discarded. Through
discs 40 has a pinion 44 thereon that is in mesh
such a device, the cutting is rendered smooth and
with rack 46 on table 28. When tube I2 is rest
ing in the valleys provided by discs 40, a pressure 10 without fluctuation due to the collection of slag
and the adherence thereof to the inner face of
roller 48 exerts a downward force to establish
tube I2 at a point where the jet from torch I4
su?icient friction between the annular ?at pe
is likely to be impeded.
ripheries of discs 40 and tube I2 to cause the
Apparatus embodying the broad concepts of
latter to turn as the disc 40 with the pinion 44
this invention may be made to present appear
15
is moved about its axis.
ances vastly different from those illustrated in
Pressure roller 48 is carried for free rotation
the drawings and from the foregoing speci?ca
on the upper end of an L-shaped arm 50, one leg
tion it will be understood that movement of a
of which enters socket 52 of ?xture 54 secured
multi-part platform upon which is mounted the
to platform 20. Arm 5!] and ?xture 54 have
tube being cut as torch I4 remains stationary,
20
special inter-engaging parts permitting the ver
may be accomplished in many ways. It is de
tical movement of arm 50 and the holding of
sired, therefore, to be limited only by the spirit of
said arm in an elevated position to facilitate the
the invention and scope of the appended claim.
introduction of tubing I2. An annular internal
Having thus described the invention, what is
groove 56 formed in ?xture 54 is crossed by a
claimed as new and desired to be secured by Let
vertical furrow 58, both of which are of a size
ters Patent is:
to receive radial, external ear BI) on arm 50. As
A machine for contouring the ends of tubular
arm 50 is raised, ear 60 rides along furrow 58 to
articles comprising a support; a cutting or mark
groove 56 where rotation about the axis of arm
ing tool ?xed to the support; a platform mounted
50 may occur to cause ear 60 to enter groove 56
on the support for longitudinal rectilinear re
30
a suf?cient amount to afford support.
ciprocating movement; rotatable discs on the
In the form of apparatus illustrated in Figs. 1
platform for supporting the tube being contoured
and 2, template I8 is planar and attached to table
adjacent to the cutting or marking tool, said discs
28, as above described. In the modi?ed form of
having their axes of rotation parallel to the path
the invention illustrated in Fig. 7, template I00
attached to disc IE2 is arcuate but serves the 35 of travel of said platform, said tube being in fric
tional engagement with said supporting discs for
same purpose when associated with platform I04
rotation therewith as one of said discs is r0-_
movable in a path of travel parallel to the axis
tated; a table carried by the platform and adapt
of tube I05. Motor I08 having a magnetic roller
ed to move transversely with respect to the sup;
H0 is. of the same character as above set forth
~40 port, the said platform, and the said tube; a
with respect to parts 38 and 38 respectively.
pinion on at least one of said discs; a rack on said
Tubing I2 is contoured when the ends thereof
table parallel to the path of travel of the table in
are to be brought into abutting relation with the
operative engagement with said pinion; a planar
side of a companion structural member, such as
template
removably secured to the table having a
62 illustrated in Fig. 9. The contoured or formed
end of tube l2, shown in Figs. 8 and 9, was pro 45 working edge contoured to present both longitu
dinal and transverse components; and stationary
duced through the employment of template I8
driving means engageable with the working face
having a contoured face 64 substantialy as illus
of the template for moving the platform through
trated. The transverse and longitudinal com
its paths of travel when the longitudinal compo
ponents of face 64 control like components of the
face on the formed end of tube I2 because of the 50 nents of the working face are engaged and for
shifting the table when the transverse compo
movement established to move tube I2 with re
gard to torch I4 as motor 38 drives roller 36 over
nents of the work face of the template are en
the developed face of the template.
As torch I4 cuts through tube I2 at a point
on the upper side thereof, the slag or waste prod
ucts of the cut drop by gravity and the force of
the jet, into a trough ‘66 extending longitudinally
from piston rod 68 reciprocably carried by cyl
inder 10. Air or other motivating force for pis
bodily moved with respect to the cutting or mark
ing tool as the platform travels through its path
of movement.
JOHN S. MCGUIRE.
gaged by the driving means, whereby the tube is
rotated as the table is shifted and the tube is
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