US2011712A - Stock reel for automatic multiple spindle screw machines - Google Patents

Description

Aug. 20,1935. A. E. DRISSNER STOCK REEL FOR AUTOMATIC MULTIPLE SPINDLE SCREW MACHINES 3 Sheets-Sheet l Filed June 23, 1954 INVENTOR EDmufiSwer-a Aug. 20, 1935. A. E. DRISSNER 2,011,712

STOCK REEL FQR AUTOMATIC MULTIPLE S PINDLE SCREW MACHIN Fil'ed Jude 23, 1954 3 Sheets-Sheet 2 INVENTOR gfiEDwt-gamem ATTORNEY Aug. 20, 1935. A. E. DRlSSN ER STOCK REEL FOR AUTOMATIC MULTIPLE SPINDLE SCREW MACHINE S Filed June 23, 1954 3 Sheets-Sheet 3 INVENTOR fiM- Patented Aug. 20, 1935' r 2,011,712

JHJUNITED STATES PATENT OFFICE I STOCK REEL FOR AU'roMATIc MULTIPLE SPINDLE soaaw MACHINES Alfred E. Di-issuer, Cleveland, Ohio, assignor to The National Acme Oompany, Cleveland, Ohio, a corporation of Ohio 7 Application June 23, 1934, Serial No. 732,059 17 Claims. (01. a e- 37) This invention relates to stock reel'mechanism strains from the carrier and stock rods carried for automatic multiple spindle screw machines, thereby to the work spindle carrier and prolongtheobject of the invention being to provide an 'ing the life of the-bearings supporting that work improved reelmechanism which will eliminate spindle carrier.

5. strains and'torque on the work spindle carrier or In the drawings accompanying and forming a cylinder whereby the alignment and accuracy part of this specification, Fig; 1 illustrates a side of i the work spindle carrier will not be affected. view of this improved reel in position at the rear Heretofore, in machines of this kind, 'it has end of an automatic multiple spindle screw mabeen the practice to connect the stock reel with chine such as that shown and described in the 0 the work spindle carrier so that the two will be application hereinbefore referred to. indexed in unison'and as the-stockro-ds of these Fig. 2 is a. cross sectional view taken on the line machines fed to the work spindle carrier project 292 of Fig; 1. a rearwardly thereof to the extent of ten to twenty Fig. 3 is a cross sectional view taken on the line feet and rotate with the work spindles of the car. 3-3 of Fig. 1.

' l5 rier, the whip-of these rods is considerable. Con- F g. 4 s a longitudinal Sectionalview 0f t reel sequently, when they are indexed with the'carrier shown in Fig. 1, and and the reel, they have a tendency to afiect the Fig. 5 is a detail view illustrating the manner accuracy and alignient of the'work spindle carof connecting the center shaft of the reel with rier in its bearings. the center driving shaft of the multiple spindle '20 The objectioi the present invention is to proscrew machine whereby this center driving shaft vide an improved reel mechanism whichis indexed can run at any speed while the reel shaft is stawith the work spindle carrier but. is not rigidly tionar-y, 7 connected the eto, whereby the disadvantages Similar characters of reference indicate correhereinbefore set forth are avoided and at the sp ndi parts in the several w same time utilizes a. rod or shaft already present Before explaining in detail the present im- 25 in the machine for indexing the reel, the present provement and mode of operation thereof, I deimprovement being applicable to the machine sire to have it understood that the invention is shown and described in the contemporaneously not limited to the details of construction and arpending application of C. W. Simpson and A. El rangement of parts illustrated in the accompany- Drissner, Serial Number 632,490, filed September ing drawings since the invention is capable of l-Qth, 1932, and in which there is shown at 92 (see other embodiments, and that the phraseology Figs. 1 and 20 to 23) a ruler shaft together with which Iemploy is for the purpose of description 9. similar rod 9 for supporting the operating and not of limitation. slides at the rear of the machine and the present The gear 38. hereinbefore referred to and by improvement utilizes this shaft 32 for the purpose means 'of which the work spindle .carrier and the 35 of; transmitting motion from the work spindle series of rotating work spindles are indexed from carrier gear 38 of that machine to this improved the cam shaft meshes with a gear 38 secured to reel mechanism, this gear 38 being the gear by the end of arod 92 which, ashereinbefore stated,

7 means of which the work spindle carrier is inis one of the rods present in the machine referred 4o dexed from the cam shaft 30 in that machine, to :for supporting the slide mechanism of that 40 7 Thus; this improved reel mechanism is opermachine. This rod is still utilized for supporting ated in a very simple manner from the work spinthat slide mechanism but, in the present instance,

. dle carrier without the necessity of rigidly com is mounted to rotate.

necting it with that carrierand bymeans of a-rod On the opposite end of this rod is .a gear 49 or shaftalreadypre n in the m n nd proin mesh with a large gear 41 on the .end of the 4s vidinga simple and economical reel operatstock :reel, from which itfollows that each time ingmeans without adding another shaft to the the, work spindle carrier of themachine is machine. This is accomplished by providing the indexed, the reel will likewise be indexed. shaft 52 with a gear in mesh with the gear 38 of The reel comprises a series of disks d2, A3 and the work spindle carrier and at the opposite end 44 supporting a series of stock rod tubes 45 for the 50 with a gear for operating the reel. reception of the stock rods which pass to and are The present improvement thus permits the reel fed, through the work spindles of the work spindle tohe indexed in unison with the work spindle carrier, the frontends of which are successively carrier without rigidly connecting it therewith as operated. upon by the end working ..tools carried heretofore and eliminating t e transmission of by the main tool slide and by the cross andtop 55' 3; 'In an automatic multiple spindle screw-machine-having an indexible work spindle carrier i shaft to permit the driving shaft to be rotated independently of the reel shaft.

4. In an-automatic multiple spindle screw machine having'an indexible work Spindle carrier and a-main driving' shaft; the combination, of a reel indexible with the carrier and means for indexing' thereel from the carrier at the periphery of -the -reel,"said reel having a centrally located shaft andmeans for supporting one end of that shaft from the main drivingshaft to permit the driving shaft to be rotated independently of the reelshaft." l i 5.--'-Ir'i an automatic multiplespindle screw machine having an indexible work spindle carrier and ama-in driving shaft, the" combination of a stock rod'supporting reel andme'ans for indexing and the main driving shaft one supporting the other to permit rotation of the main driving shaft independently of the stock reel shaft.

"7. In an automatic multiple spindle screw machine having an indexible work spindlecarrier and a main driving shaft, the combination of a stock reel, means for peripherally indexing the stock reel with and by the indexible work spindle carrier, a shaft secured to the stock reel, said shaft and the main driving shaft one supporting the other to permit the rotation of the main driving shaft independently of the stock reel shaft, said reel indexing means comprising a gear carried by the stock reel, a gear in mesh therewith, a shaft carrying said last gear, and means for rotating said shaft.

8. In an automatic multiple spindle screw machine having an indexible work spindle carrier and a main driving shaft,'thecombination of a stock reel, means for peripherally indexing the stock reel with and by the indexible work spindle carrier, a shaft secured to the stock reel, said shaft and the main driving shaft, one supporting the other to permit the rotation of the main driving shaft independently of the stock reel shaft, said reel indexing means comprising a gear carried bythe stocklreel, a gear in mesh therewith, a shaft, carrying said last gear, and means for rotating said shaft, said means comprising a-gear on said shaft and a gear on the indexible work spindle carrier.

' comprising a slide supporting rod extending rearwardly only from the work carrier and having a gear at one end meshing with the disk gear of the reel anda gear at its opposite end in mesh with a gear carried by thework spindle carrier.

10. Reel mechanism for automatic multiple spindle screw machines having a work spindle carrier and means for indexing it and comprising a reel consisting ofa plurality of disks, a plurality of stock rod tubes "supported by said disks, anti-friction bearings'for supporting said tubes for'rotation independently of the disks, agear carried by one of said disks, and means for indexing said gear and thereby the reel simultaneously with the indexing of the work spindle carrier and comprising a gear in mesh with the reel gear, a shaft carrying said last gear and extending rearwardly only from the work spindle carrier, and nieansfor rotating said shaft.

11. Reel mechanism for automatic multiple spindle screw machineshaving a work spindle carrier and means for indexing it and comprising a reel consisting of a plurality of disks, a plurality of 'stockro'd tubes supported by said disks, antifriction bearings for supporting said tubes for rotation independently of the disks, a gear carried by one of said disks, and means for indexing said gear and thereby the reel simultaneously with the indexing of the work spindle carrier and comprising a gear in mesh with the reel gear, a shaft carrying said last gear and extending rearwardly only from the work spindle carrier, and means for rotating said shaft and comprising a gear carried by said shaft and a gear. in mesh therewith and carried by the work spindle carrier.

l2. Reel mechanism for automatic multiple spindle screw machines having a work spindle carrier and means for indexing it and comprising a reel consisting of a plurality of disks, a plurality of stock rod tubes supported by said disks, anti-friction bearings for supporting said tubes for rotation independently of the disks, a gear carried by one of said disks, and means for indexing said gear and thereby the reel simultaneously with the indexing of the work spindle carrier and comprising a gear in mesh with the reel gear, a shaft carrying said last gear and extending rearwardly only from the work spindle carrier, means for rotating said shaft, and anti-friction bearings supporting one or more of the reel disks.

l3. Reel mechanism for automatic multiple spindle screw machines-having a work spindle carrier and means for indexing it and comprising a reel consisting of a plurality of disks, a plurality of stock rod tubes supported by said disks, anti-friction bearings for supporting said tubes for rotation independently of the disks, a gear carried by one of said disks, and means for supporting said gear and thereby the reel simultaneously with the indexing of the work spindle carrier and comprising a gear in mesh with the reel gear, a shaft carrying said last gear and extending rearwardly only from the work spindle carrier, means for rotating said shaft and comprising a gear carried by said shaft, a gear in mesh therewith and carried by the work spindle carrier, and anti-friction bearings supporting one or more of the reel disks.

14. 'In an automatic multiple spindle screw machine having an indexible work spindle carrier, an indexible gear for indexing the carrier, and a slide supporting rod and extending rearwardly only from the Work spindle carrier, the combination of a stock reel and means for inand.

' dexing the reel and comprising a pair, of gears carried by the slidesupporting rod;,one'in mesh V-with the Work spindle carrier gear, and a gear of said rod, said machine having a main driving shaft and a shaft 'secured to' the stock reel, said carried by the stock reel and in mesh, with the other gearof said rod. v

'15. i In an automatic multiple spindlescrewma chine having an indexible work spindle carrier,

an indexible gear for indexing the carrier and a slide supporting rod and extending rearwardly only'from the workspindle carrier, the combination of a stock reel and means for indexing the reeland comprisinga pair of gears carried by the slide supporting rod, flone inmesh Withthe work spindle carrier gear, and a gear carried by the stock reel and in mesh with the other gear two' shafts having connectionwhereby' one: may rotateiindependently of the other.

16. A stock rod supporting reel for use with automatic multiple spindle screw machines and comprising a plura'lity of spaced disks, bearings carried 'by saidsdisks; stock rod'tubes supported by said bearings for rotation independently of thereeLbearings for supporting certain of said *disks to facilitatethe indexing of the reel, means carrying said last bearings and supporting'the reel, a ring gear carried atone end of said reel and located around said tubes, means for supportingsaid gear and thereby the end of the reel, and means engaging said gear'for rotating carrier comprising a shaft extending rearwardly only from thework'spindlefcarrier and having a gear in mesh with the work spindle carrier gear and gearing between said shaft and the reel. 7 ALFRED E; DRISSNER.

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