US2603879A

US2603879A - Aligning gauge for thread rolling dies

Info

Publication number: US2603879A
Application number: US110336A
Authority: US
Inventors: Coutu Alfred Joachim
Original assignee: Individual
Current assignee: Individual
Priority date: 1949-08-15
Filing date: 1949-08-15
Publication date: 1952-07-22
Anticipated expiration: 1969-07-22

Description

AyJ' COUTU ALIGNING GAUGE FOR THREAD ROLLING DIES 2 SHEETS-SHEET 1 Filed Aug. 15, 1949 a m w INVENTOIR.

BY I. 3 01.

y 22, 1952 A. J. cou'ru 2,603,879

ALIGNING GAUGE FOR THREAD ROLLING DIES Filed Aug. 15. 1949 2 SHEETS-SHEET 2 Fig.6.

G as

I N VEN TOR. vfm'ed 07001119 Patented July 22, 1952 UNITED "STATES PATENT o ncs h ALIGNINQ oAucnggginn p a .l A I L Alfred Joachim Coutu, Detroit} Application August 15, 1949, Serial No. 110,336

isstationary and the other of which is movable tOlI'Oll a'thread on a screw blank or the like disposed between'the dies. In order that the por-' tion of the thread rolled by either die shall in all respects'match and form an identical continuation of the portionof the thread rolled by the other die, it is necessary that the-dies shall 'beinitially set on the machine on longitudinal center parallel to each other; that'the dies shall beileveled relative to each other to both touch the same plane'throughout their length; and that the dies shall beset the proper distance apart to suit the diameter of the screw blank or other object upon which athread is to be rolled.

The present invention therefore has as its ob jects to'provide a machine wherein the foregoing adjustments of the dies may be readily made accurately, and wherein a gage will be provided for insertion between the dies while the adjustment thereof is being made for determining and limitingsaid adjustments.

Other and incidental objects of the invention will appear during the course of the following description; and in the drawings:

"Fig'ureil is a perspective view showing a portion of'a-machine embodying my improvements for adjusting the diesthereof.

'Figure 2 'isan end view showing my improved gagein position between the dies.

- Figure 3 is a detail vertical section showing the lateral adjustment for the stationary die holder.

Figure 4 is a detail vertical section showing a typical leveling adjustment for themovable'die;

Figure 5 is a detail plan view of the gage and Figure 6 is a detail elevation of the assembly of Figure 4 but without the stationary die.

Fi ure 7 is a detail elevation of the movable die. lFigure-8 is a detail perspective view of the gage. In'the drawings, I have shown only such portions of a thread rolling machine as are necessary to an understanding of the present improvements, The body of the machine is indicated at Ill, the stationary die'rest at II, and the reciprocating ram at l2. overhanging the ram is a guide plate l3 therefor.

The rest II is provided with an angle seat l4 havinga flat horizontal bottom wall l5, and a fiat vertical back wall l6.- Mounted upon the bottom .wall- 15 near the forward end thereof is a pilot 3 Claims. (01. 33 -185) stop stud IT, and adjustable on said stud is sia" horizontal stop screw l8.

Resting within the seat I4 is a dieholderlB. for the stationary die. This holder is formed, as seen in Figure 3 of the drawings, with spaced vertical slots 20, and extending freely :through said:

slots are bolts 2| securing the holder against the bottom wall it: of-the' seat. Provision is thus made whereby, as will presently appear, the holder may be adjusted laterally toward or awayfrom the path of the-movable die, andextending through the back wall I6 of the se'atlto engage the holder "are spaced bolts 22 for adjusting said holder laterally; Spaced stop bolts 23 are also. provided and-are adjustablethrough the ba'ck wall [6 of the seat l4 toabut the holder l9 and binditinsetposition- I Formed in the stationary die holder l9 is' an angle seat 24, and removably mounted at the rear end of said seat is a clamping p1ate'25 secured by a stud bolt 26. The holder I9 is further equipped with a removabletop clamp 21 securedbyastud-bolt Z8. I fl Resting in the seat 24 of the'holder I9 is a stationary die 29-l'imitedjendwise-by-the plate 2-5' which binds against the rear end of said die, while the die is held down by the clamp 21 which f binds against the upper edge of the die. The die will thus be rigidly secured upon the die holder; The movable die is indicated at 30.- The mounting of this die'willnow'be described. Formed in-the forward end of theram i2 is an angle seat 3| inwhich 'thedie 3|) removably 'rests, and binding against the forward end-of the' die is a clamping plate 32 secured by a stud bolt-33." A top clamp 34 is also provided for the die and is secured by a stud bolt 35 tobind against theupper edge of the die for holding it down.

Employed in conjunction withthe movable die 30 are end and center adjustments for either rais ing or lowering the die in the seat 3|, or leveling the die longitudinallys As said adjustments are alike,- a description of onewill sufiice for all, and in this'connection reference is particularly made 7, to Figure 4 r the drawings. T 4

Slidable .ina suitable bore in the rain 12 is? a vertical tail pin 36 which extends through the j bottom wall or theseat. a l to confront the' flo edge of the die 30, and, if so desired, a suitable: shim may be employed betweensaid pin and the die; slidable in a connecting transverse'bor in.

39 coacting with said pin, while a removable plug 40 is provided at the forward end of the bore which receives the pin 31 so that the pin 31 may be installed or removed. The three

pins

36, 31, and 38 are beveled to coact with each other so that, as will be seen, the plug 39 may be adjusted for either raising the pin 36 or permitting it to drop .7

As seen in Figure 1 of the drawings, -one.othe pins 36 is arranged near each end of the seat 3| of the ram [2, while a third pin 36 is disposed midway between the other two. Thus, as will now be understood, the plugs3'9' may be adjusted 1 for raising or lowering the movable die 30 to the level of the stationary die 29. "Likewise; the plugs 39 may be adjusted for either raisingor; lowering either end of the die 3| independently of the other end thereof and thus leveling said die longitudinally to the exact level of the stationary (1182295 At this point in the descriptionltherelativeadjustment or the two dies. 29 ,and- -39. may-appropriately-be noted; As previously described, the, stationary'-die..2-9- is adjustable toward and away, from the path of the movable die 30, Thus, the dief 29rn1ay ".be positioned to suit the diame er-oi thescrew blankor' other object to be disposed ,between the-dies. The movable die 3 0, as also previously: described, may e raised, lowered, or tilted relative to :the stationary die to match the 4 corresponding position, ofithe stationary die.

-It'is now to be observed, as .shownin-Figure-d, thatthe; stationarydie 2,9v is shorter; than the movablefidie'30. Furthermore, itis 1 b noted, asrbrou ht out inFi ure .7. that each-0f. e; dies is provided throughout the areas, of, both side; facesf thereof; with suitable threads or teeth. Thus, the diesmaybe reversed, edge for edge.

In-conjunction with the dies 2,9; and 30, and. the;adlustmentstherefor.as previously described, Iip ovideia gagerfor initia y sett nsithe dies-g As seen in detail in Figure 8 of,the ;.dra wings, the; ga e includes. a oblong metal;block;4.1v of uniform width and thickn ss the; l k; in o arwidth t or espond w t th w dth. iithe ies 129 and; re.spectiv.e1y- Ati tsisndportions, hebloc s provided at each de; h reoi with. threaded; areas 2. d the threads of these, areas are adantaitov match and .in erfitmthtm threads on he s de-fac s .oithedies; Be w en, h thre ded: areas. a h S de', l lock 11 5. a smo th- .inter d ate sur ace 43 and he hi kn ss, :or h block betw enthe suriaces 3,is. he i dex of the diameter, c ea a ceci theohiect; upon whicha thread is tobe rolled. In other rds, b ockse erent hic1sn sses will rte-pro: vided, andthe thickness of any given blocls will, s a l be e p a ned, d t rminethe spitting-1hr:- ween he di s 2 9 an d.3:0.-

Farmed. in e-e se loc v ci omi hey neiz Adin d es e eg areP s. mhr adedse h, is r t Q I P P e h na einelqfqaisd near the ends of the index surfaces 43, and ,fa shioned to be removably screwed; into; either: pair Qof soglgets are knurled fingerti ASLbymeanspf b f h s: "i 'yjbe' ent d ma 1 1a? 1 am. po's pn idl T111 51 Di sTm yT' eif n talll d,

8 her d g jrimf m .sel c velmnemock: m y QYerseid' dge -dr dseiw ui ltheiins tudinal adjustmentoffthe dies; When thelg'age -disposed [between said. dies ahd of a thlcknes.

' the die 30.

, In use,.th e dies 29, and 30 are initially positionedin' theseats'24 and 3|. when the movable 'die is, as seen in Figures 1 and 2 of the drawings,

disposed-opposite the stationary die. The gage bloc}; 41 is then positioned between the dies, when the dies are adjusted so that the threads ,on theexposed confronting faces of the dies will 5Qand Got the, drawings, said blochmamdiie to;

the pre n e, or the," sight; notches mien? said bljock, be conveniently. disposed to 'r'e'gis erilirielee vation with both of the dies, or lengthwise-with bblihni; the Jdies, so that the dies may, be Set in. rela 'tive lon itudinal adjustmentl'witli'resp the ,socalled starting'linej of the; liiachiii'e, ior...i n,. otherwordsime naea iwm n theworrji grippe between the dies; As wiIlIbeaIipreEiatQd clamping plates 25: and, providefor thiglon b10919 4,] is reversed, edge. for edge. sis-regard 'fthe, pgsitijohlthereof seen'in Figi'lrefs5 and 6.;,' Tthefsig i notCh es-41 'will, o fcou'rse, serve the. same pese asi just described connequd fiwita. the notches 46; U

Having "thus described my invention, I claim;

1., A, gage, for use in settingLTcOnironting threaded dies of screwthi'ead rolling. machines,

including an obm ggag modgadaoteq' posed between said}dies,andofiafthiolms orresponding to the. diameter .of thje 'objetjtog he rolled between the dies for'fspae'ing'lthe a distance equal to said diameter," n v being'o'f a length'cdrrespbnding toQtheQefiecti" length of ,one of thefdies', andlthrea ds'gforzfid on the "longi tudinal' side faoesfo'f thejblockia the. ends, thereof to provide threaded areas/"the threads -o'f,which are adapted to. n'iatefwit that threads of the dies, the'fblo'ck,being provide "at" its end corners with pairs 'of sight notches te m,

ing through the longitudinal edges. of the,bloc ;li and nee sew l sexte d n a psl o l d es 6; air. f a no hes enemas through one longitudinal edge .of the block, being ebehth th ther pair of said not h s menhr ueh. e, p os n tu ina d e said blocl; and. the; gage, walls ,of each,v pair oi Qtchesbei gspaced apart a'distanqe orre spendin t t ffe tive ;1 n .th-.of ithaother;0t2 said. d eswherebythe block may e reversed edge; for edge.

2. eas for se inv etti g .co irontine hreaded i s of a crew-th ead ollinscmach n r ncludin an. on sa eo k. adapte a *cbriespbndmg' to the'diam'eter or the orientate rolled between the dies for spacing the dies'apart a distance equal to said diameter, said block being of a length corresponding to the effective length of one of the dies, threads formed on the longitudinal side faces of the block at the ends thereof to provide threaded areas the threads of which are adapted to mate with the threads of the dies, the block being provided at its end corners with pairs of sight notches opening through the longitudinal edges of the block and having gage walls extending at an angle to said edges, the pair of notches opening through one ,longitudinaledge of the block being deeper than the other pair of notches opening through the opposite longitudinal edge of the block and the gage walls of each pair of notches being spaced i adapted to be disposed between said dies and of uniform efiective thickness at its end portions for spacing the dies apart a distance corresponding to the diameter of the object to be rolled between the dies, the block having parallel longitudinal edges and being of a width corresponding to the width of the dies as well as of a length corresponding to the effective length of the stationary die whereby the dies may be leveledlongitudinally with respect to the block by leveling corresponding longitudinal edges of the dies with a corresponding longitudinal edge of the block while the block may becentered longitudinally with respect to the stationary die by registering the ends of the blockwith the effective end edges I of the stationary die, the block being provided at corresponding end corners thereof with sight notches having corresponding gage walls extending at an angle to the adjacent longitudinal edge of the block and spaced apart a distance equal to the effective length of the movable die whereby the movable die may be centered longitudinally with respect to the block and the stationary die by registering the effective end edges of the movable die with said gagewalls, and threads formed on the longitudinal side faces of the block at the end portions thereof. and adapted to mate with.

the threads on the confronting faces of the dies when the dies are leveled longitudinally with the block.

ALFRED JOACHIM COUTU.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 219,073 Croft Sept. 2, 1879 1,524,327 Wayne Jan. 2'7, 1925' 1,500,112 Heller Sept. 14, 1926 2,339,699 Husband Jan. 18, 1944 2,341,284 Payne Feb.-8, 1944 25331378 VVeinthal et a1. Dec. 23, 1947 7 OTHER REFERENCES Publ.: Taft-Peirce Handbook, 1940 p. 83.