Патент USA US2408600код для вставки
Oct. -l, 1946. ' E. H. BENNETT 2,408,599 ARTICLE TRANSFER MEcHANïsM Filed June 5, 1945 5 Sheets-Sheet 1 45 m "IA VIVI BENNETT SWIG: W 0d. 1, 1946. E. H. BENNETT ' 2,408,599 , ARTICLE TRANSFER' MECHANISM. Filed June 5, 1945 um Illu 50 5‘ sheèts-sheet 2 09,1;1946. ` ~ ¿5, H. BENNETT ' 2,498,599 I `ARTICLE TRANSFER MECHANISM Filed June 5, 1945 v 7675“ 32 79 . ll 50 ` ' ¿Lai 0" ' 74 Q s'sheets-sheet s v . v ". 69 _ 22 «.5 _""sw 54 o _ ' . l . J g gz o o Jé 51 49 4a O O _ © O 83 1_6 7a 7273 ‘35 75 71 O | - 7a 33 »af ` 77 Ot ¿a 7g O « 82 0 l O * 'v Ñ49 4a .O ' _ â - - 36 ` "` _ 83 7g 72 74 59 v 49 2¿ 7@ \- o _ 77 ä Ü . 55 O O o “ \O ai o ` IIo' ‘__*~-» ASV` 75 O A 55 n . O v .350 ,84a ¿a ‘ O v 75 . .o _ 22 69 17 . 71 .az . 0 e4 35 ' ® l zz 5i .a4 3.3 O ` 32 ' ' 2z :69.5.9 ~` G O ` ' . 81 . r O Zz ' 34 7a - o ó . G Y ¿É ’ G . ' 70 A. l â . O 33 . 6_9 32 - 6a ’ 75 7b 49 o ` 71 3L « Z " ' 'fw-3. Eli BENNETT Oct. l, 1946. E. H. BENNETT' 2,408,599 ARTICLE TRANSFER MECHANIS'M Filed June 5L 1945 , 5 Sheets-Sheet 4 , 15% w04. 72 ì gri/oowk» - vOdi» l, 1946. E. H. BENNETT _ ARTICLE TRAÑSFER MECHANISM ' FiledJune 5, 1945 2,408,599 ' _ 5 sheets-sheet 5 "Patented Oct. 1, 1946 l 2,498,599 UNITED STATES PATENTQGFFICE 2,408,5@29 ` ' v ARTICLE'TRANSFEn MEÖHANISM Ã Edward H. Bennett,` Toledo,¿Öh(io, 'assignon `to I Owens-Illinois Glass Company, a corporation , of Ohio Application June 5, 1945§~Ser1al No. 597;.687'» ‘ »Y 9 claims. (clima-_210i>l Y - .1 _ „ . . . . transfer units showing cam-operated means for rotating and for. lifting and lowering the'transfer anism` including article-transfer arms orunits mounted ona rotating carriage and adapted toA take articles or workpieces from a predetermined position adjacent to the carriage, transfer'them to a posîtionon .the carriage and, after certain operations on the workpieces, transfer them from the carriage to'a travelingconveyor or other Y 2 Figl 6 is a part-sectional plan view of adjacent other.. The invention provides automatic mech ' , taker‘at theline 5--5 on Fig. 4. ferring articles from one position to another or from one moving apparatus vor machine to an receiving means. , ,comparativelyv .larger scale, the section being My invention relates to mechanism for trans arms. f - » , » ` Fig. '7 is a diagrammatic plan view'showing the transfer units and their operating cams.> ¿„ Referring to Fig. 1, the Varticle-transfer units are mounted on a burn-off machinecomprising a stationary framework I0 andy a carriage Il mounted for horizontal rotation about a station ’ ary vertical centerjcolumnl I2, the carriage be ing supported on ball- bearings I3. Means »for The invention in theform herein illustrated comprises article-transfer units combinedwith rotating the y»carriage continuously includes -a and forming part of automatic mechanism .` for ' manufacturing hollow glass articles such as tum blers, jars, and the like. Such mechanisml in cludes a blowing machine having a rotating car riage with an annular series of blowpipes or spin dles thereon by means of which individual £20 charges of glass' are vblown to hollow form,-and drivingV gear Id ,bolted‘to the carriage and-con nected'through suitablegearing with‘an electric motor (not shown). The carriage has mounted thereon an annular series of burn-off units each comprising a ring burner I5. -‘ ¿ ' Workpieces I6, herein shown as tumblers, are `blown on afglass blowing machine indicated di agrammatically at I1 (Figs. 3 and 7). The blow prises a carriage with burners thereon by vwhich ing machine comprises an annular series of blow the blown articles are severed from thev waste ing spindles or units IB r(lïl‘igs. 1 and’ï) bywhich glass ormoil. " f ' '“ 25 gcbs or` charges ~of 1 glass carried -thereonH are An object of the present invention is to provide 'blown toV form vthe twmblersv I6. Each spindle a novel and practical mechanism for transfer includes a pair of jaws I9 which'are opened auto a separate “burn-off” machine. The latter com ring the blown articles’ to and from the burn-off machine, such mechanism comprising 'transfer arms mounted4 on the burn-off machine and oper able automatically to_ take the articles lfromthe blowing machine, place them on the ,burn-oil' machine Vand after the burn-‘off operationkagain pick upthe articlesand transfer themy to a con-î veyor orthe like. » ‘ - Otherobjects of the invention inafter. _ c . .l » > . ~ »o appear 'here-z Y „ . ' Referringto the accompanying drawingsr n Figi is a part-sectional elevation vof a burn off machine with the article-transfer ` units mounted thereoin; parts >of the machine being broken Fig. lA away.¿fV is a fragmentary n Í Y View ` in'sectional'ele , -` I. Y vation. at the line 1A-,1A on Fig. 1, showing‘cams for lifting and lowering the transfer arms. ¿ y Fig. 2 is a >fragmentary sectional _elevationon ' matically ‘to release the workpiece comprising the tumblerwith the .moil 20 of waste glass by which the tumbler is connected to the spindle. When the workpiece is released from the spin dle I8; it is transferredby a transfer unit, com prising a‘tr'ansfer arm12l, toa holder .22 cna .vertical stem 23. The holder 22 isthenmoved upward vertically to carry the workpiecer into thev ring burner"'-I5. I >A vset of gripping jaws 24 then `grips vthe workpiece and'holds it while the burner severs the moil, leaving thetumbler I6 on vthe holder 22. (.The holder with thetumbler thereon is then lowered, after which the transfer arm 2I operates to pick up the tumbler and trans fer it to a belt -conveyor 25 (Fig. "7).` by which it is 'carried'. into an annealing lehr 26;' The means forï'lifting' -andi-lowering the'holder 22 with'the a larger> scale than‘Fig. f1, showingparticularly workpiece thereon comprises a rock arm 21 'con riected to a‘rock shaft 28 to which is also con-nected a 4rock Yarm £19 with a- cam 'follower'roll' a transfer unitY including the transfer arm and running on a stationary cam 30. operating mechanism therefor. ' , ` Fig. 3 is a part-sectionalplan view substantially at the line 3*--3- on Fig.l 1. -, ' » ~« Y . Fig. 4 is a fragmentary elevational view show ing portions of adjacent transfer units.- ' e ' ‘ ` ` The' >article-transfer units, -each comprising :a transfer ‘arm 2 I, are mounted on the carriage Ily of the burn-off machine adjacent to the .burner units, there` being 4one transfer- unit'for. each burnerunit.,> Each transfer arm 2| `comprises a Fig. A5 is a fragmentary sectional plan view on'v a 55 vertical section> and an ¿integral horizontal arm 2,408,599 3 4 3| at the lower end thereof. The arm 3| is at tached to the upper end of a vertical rock shaft 32. The transfer arm carries at its upper end opening in a lug 63 on the rack bar, thus serving an article-holding cup 33 which comprises a pair of arc-shaped jaws formed integral with a pair of arms 34 and 35 (Fig. 3) mounted to swing about pivots 36 in the upper end of the arm 2|, for opening and closing the cup. The rock shaft as a guide and holding the rack bar against ro tative movement. The coil compression spring 63 provides a yielding driving connection which serves as a safety means, so that in the event of any obstruction hindering the downward move ment of the transfer arm,v the slide 5| can con 32 is mounted for up-and-down movement and tinue its movement under the control of the cam. The spring 63 also permits adjustment of the also for rotation about its axis, for lifting and lower stop position of the transfer arm inde lowering the cup 33 and for swinging it horizon pendently of its driving cam. tally for transferring articles as hereinafter de Each transfer unit includes mechanism for scribed. The shaft 32 extends through a .vertical opening and closing the cup sections 33. Such tubular shaft 31 which is mounted for rotation mechanism comprises cams 33 and 33 mounted on in a cylindrical casing 38 forming part of the 15 a block 18 adjustable up and down in a »slideway carriage | I. The shafts 32 and 31 are formed with 1| on the carriage. Means for adjusting the cams vertical ribs providing a driving connection up and down includes an adjusting rod 12 jour therebetween while permitting vertical move naled in a bearing sleeve 13 between collars 14 on ment of the shaft 32. the rod, the latter having a screw-threaded con nection with the block 18. The cams 88 and 69 Referring to Fig. 1, the machine _includes a are also individually adjustable rotatively about the axis ofthe shaft 32 and held in adjusted posi tion by screw bolts 18’ extending through elon rotative movements of the .shafts 32. The cam >43 operates a slide bar 44 (Figs. l, lA, 2, and 6) gated slots in the block 10. Driving connections mounted to reciprocate radially of the carriage in 25 between the jaws 33 and their operating cams stationary cam drum 40 on which are mounted cams 4l, 42, and 43 controlling the vertical and guideways formed in an arm 45. The slide bar carries a pinion 4G which runs in mesh with a rack bar 41 connected through a rod 48 to a rack bar 49 which runs in mesh with a pinion 53 keyed include a cam follower roll 15 on a rock arm 16 mounted to rock >on 15 is connected by on the lower end of to the lower end of the shaft 31. The pinion 46 30 ried on the arm 2|. also runs'on a rack 45a (Fig. 6) which is held in end of the shaft 19, the arm 34. ñXed position on the carriage. There is thus pro vided a yspeed multiplying drive between the slide The cams 68 and the shaft 32. The rock arm a link 11 to a rock arm 18 a vertical rock Ishaft 18 car A rock arm 8|! on the upper is connected by a link 3| to 69 are operable through the bar 44 and the rack bar 48. The cam 43 operates linkage just described to swing the arm 34 about through the gearing just described to rotate the 35 its pivot 36 for opening the jaws 33. Intermesh shaft 32, the cam 43 `being shaped and designed ing gear segments 82 (Fig. 3) are keyed to the to »impart the desired rotative movements to the pivot shafts 36 so that the jaws 33 are connected shaft as hereinafter set forth. for simultaneous swinging movement. The jaws The transfer arms are adapted to operate in 33 are swung to closed position by' a coil tension pairs when taking articles off the forming ma 40 spring 84 anchored at its opposite ends to the chine |1 as indicated in Fig. 7, but operate singly rock arm 18 (Fig. 2) and the arm 3|. and in succession when transferring the articles Referring to Figs. 3 and '7, it will be seen that to the belt conveyor. In korder to effect such op the transfer cups 33v travel in a path such that erations, separate cams 4| and 42 are provided, two of the cups are in vertical alignment with a each controlling the vertical movement of the pair of spindles i8 at one time for receiving work shafts 32 of alternate transfer units. The cam 4| pieces released simultaneously from the two spin operates slide bars 5| each carrying a cam roll dles. This adapts the transfer mechanism for 52 running on the cam, the slide bar being mount use vwith a glass blowing machine which releases ed for movement radially of the machine. A rod the workpieces in pairs. In order to obtain this 53 (Fig. 2)- extending- in line with the slide bar 50 operation of the `transfer arms, and also permit 5|, is slidably connected with said bar by means them to transfer the workpieces singly and in suc of a lug 54 having an opening through which the cession, the separate cams 4| and 42 (Figs. 1, 1A) inner end portion of the rod extends. A rack are provided for lifting the transfer cups so that bar 55 is mounted on the rod 53, and is adjustable two of said cups, one in advance of the other, may thereon by means of adjusting nuts 55’. The 55 be lifted simultaneously by their respective-cams rack runs in mesh with a pinion 53 keyed to a into position for receiving the two workpieces as shaft .51 journaled in an arm 58 on the carriage the latter are simultaneously released from the ||. A rock arm 53 keyed to the shaft 51 and spindles I8. The slide bars 5| (Figs. 1 andY 1A) extending forwardly therefrom has a bifurcated operated by the cam 4| alternate with rack bars end 60 (Figs. 2 and 6) connected through a pair 60 5|' operated by the cam 42. Referring to Fig. v’7, of links 8|' to a head 62 attached to the lower it will beseen that the cam 42 has a lifting sec end of the shaft 32. tion 42a in advance of the lifting _section 4|@ of A coil spring 63 mounted on the rod 53 is held the cam 4| so that the transfer cups are lifted in under compression .between the lug 54 vand the pairs. . rack bar 55 and provides a yielding driving con 65 The operation of the transfer mechanism is as nection between the slide >bar 5| vand the rack follows: bar. When the slide bar 5| is moved outwardly As the burn-off machine and the blowing ma by its cam, it operates through the spring 63 to chine |1 rotate in the directions indicated by the drive the rack bar and the pinion 53, thereby arrows (Fig. '7), the transfer arms are swung swinging the arm 5S downwardly and lowering the 70 outward by the stationary cam 43 to bring the transfer cups 33 beneath and in- vertical align transfer arm.V This outward movement of the rack bar is limited by a stop nut 64 on a stop ment with the blowing spindles |8 and the work rod 6.5 attached» to the carriage. The stop nut pieces I6 held thereby. The two transfer cups in register with a pair of the spindles are then is adjustable to limit the outward movement of the rack bar. The rod 85 extends through an 75 lifted simultaneously by their respective cams4| 2,408, 5 99 5 , and 42 s'othat they'embrace-the workpiecesv I6. The sp-indle jaws I8 (Fig. l) are now swung open, thus releasing the workpieces to the trans fer arms. The two transfer arms are then swung inwardly in succession by the -cam «t3V which op crates to rotate the shafts 32, thereby bringing 6 ing a vertical rock shaft journaled on the car riage, a transfer arm attached to and extending laterally from said rock shaft, an article-holding cup mounted on said arm and comprising jaws pivoted to swing to and from an article-holding position, a ' stationary cam drum on the ma chine base, cams attached to said drum and com the workpieees over the holders: 22. Each trans prising cam tracks extending circumferentially fer vfcup' with the workpiece thereon is lowered ofthe carriage, means providing operating con after itl has been» >brought over the holder 22, nections between- one' said cam and the rock 10 thereby placing the workpiece o vthe holder as shaft for rocking the latter about its axis, means `shown» in brokenlines (Fig. 1). 'The workpiece is seated'on the «platform before the transfer'cup providing operating connections between another said cam and the rock shaft for lifting and low ering the latter, and means controlled by the lifting and lowering movements of the rock shaft 15 the ñnal downward movement of the transfer for causing said swinging of the holding jaws to has’co'mpleted its downward movement. - f L Referring to Fig. 4, it will be seen that during arm, the cam follower roll 15 runs on the cam said article-holding position during the upward 68 so that the shaft ‘I9 is rocked and thereby movement of the rock shaft and transfer arm, swings the cup sections apart, thus releasing the workpiece I6. The holder'22 is now lifted by its c'am- 30 and carries the workpiece up into the and from article-holding positionV during the downward movement of the rock shaft and trans ring burner I5 which operates to sever the moil 20 while' the latter is held by the gripping arms fer arm. a'complete revolution. up-and-down movement and for rotation about 3. The combination of a carriage mounted for rotation about a vertical axis, article transfer 24. The holder 22 is then lowered with ythe - units mounted on the carriage and arranged in tumbler I 6-‘thereon. These burn-off operations an annular series, said units each comprising a take'place while the carriage is making part of 25 vertical rock shaft mounted on the carriage for Eachtransfer cup re mains open during its travel through an arc 88 its axis, means for rotating each said shaft, sta (Fig. '7) while thev burn-off operation is taking tionary cams extending circumferentially of the Y place. After the'holder 22 is lowered withthe carriage, and mechanisms individual to said rock tumbler thereon, the cup 33 is lifted by its cam 30 shafts each providing operating connections be '4I or 42. The initial upward movement permits tween its rock shaft and a said cam for lifting the cup sections to be closed around the tumbler and lowering the rock shaft, alternate rock shafts by the cup-closing spring 84, while the cam roll of the series having said connections with one 'I5 runs up the cam 68. The tumbler I5 is now said cam and the other rock shafts with the 35 supported in the transfer cup and as the latter other said cam. ' continues its upward movement, the cam 43 op 4. The combination of a carriage mounted Vfor v erates to rotate the shaft 32 and therebyswings the cup, with the tumbler carried thereby, out rotation about a vertical axis, an annular series of article transfer units mounted on the carriage wardly to a position over the belt conveyor 25' for rotation therewith, each'said unit compris-Y (Figs. 2 and 7). The shaft 32 is'then moved 40 ing a' transfer arm and an article holder o_n said 'downward so that/the vcup is lowered and de arm, means for rocking each said arm for swing posits the tumbler I6 on the conveyor, During ing the article holder from an article-receiving the final downward movement'of the> cup, the position at one side of the carriage to a discharg cam B9 (Fig. 5) engages the roll ‘I5 and operates ing' position over the carriage, means for lift 45 to swing the cup sections apart. The shaftl‘ 32 ing and lowering the transfer arms comprising is-lifted so that the cup clears the tumbler and y stationary cams, means providing operating con is then rotated to swing the cupV inwardly thus nections between one said vcam and alternate completing the cycle. rock arms of said series, and means providing Modifications may be resorted to within the 50 operating connections between the other said cam spirit and scope of my invention. and the other rock arms, said cams being shaped I claim: and arranged to cause the article holders to be l. The combination of a carriage mounted to lifted in pairs when swung outward for receiv rotate about a vertical axis, article transfer ing articles. . mechanism comprising a vertical rock shaft jour 5. The combination of a carriage mounted for naled on the carriage to rock aboutv its Vvertical 55 ' rotation about a Vertical axis, an annular series axis, a transfer arm ñxed to'said shaft and ex of article transfer units mounted on the car tending laterally therefrom, an article holder Y riage -for rotation therewith, eachsaid unit com comprising a pair of jaws pivotally mounted on prising a transfer arm and an article holder on said arm, means for rocking each said arm for 60 from each other, automatic means controlled by swinging the article holder from an article-re said arm for swinging movement toward Y and the rotation of the carriage for rocking said shaft and thereby swinging said holder from an article receiving position between the rock shaft and the axis of the carriage and a discharging posi ceiving position at one side of the carriage to a discharging position over the carriage, means for lifting and lowering the transfer arms com prising stationary cams, means providing oper tion laterally beyond the carriage, means con 65 ating connections between one said cam and trolled by the rotation of the carriage for lift alternate rock arms of said series, means provid ing and lowering the rock shaft and transfer ing operating connections between the other said arm, and means operable by `and during the up cam and the other rock arms, said cams being ward movement of'the transfer arm to swing shaped and arranged to cause the article holders 70 the jaws toward eachother to an article-holding to be lifted in pairs when swung outward for position and operable'by the downward move receiving articles, each said article holder com ment of the transfer arm to swing the jaws apart. Y 2. The combination of a machine base, a car riag'e mounted thereon for rotation abouty a ver tical axis, article transfer mechanism compris prising a pair of jaws mounted on the transfer arm for swinging movement toward and rfrom 75 each other, and automatic means controlled by 2,408,599 the lifting and lowering movements of the said arms for swinging said jaws. 6. Article transfer mechanism comprising a support, a vertical rock shaft mounted for rock ing movement and up-and-down movement on said support, a transfer arm attached to the rock shanJ and extending laterally therefrom, an arti ele-holding cup comprising holding members piv 8 and from each other for holding and releasing articles, means for rocking said shaft and thereby swinging the article holder from one position to another, and means for swinging said article holding members about their pivots comprising a rock arm mounted on the said rock shaft for rocking movement relative thereto, a cam fol lower roll on said rock arm, means providing operating connections between the rock arm and otally mounted on said arm for Swinging move ment toward and from each other, a rock arm 10 said article-holding members for swinging the mounted on said shaft for rocking movement latter when said arm is rocked, and a cam posi about the axis of the shaft, means providing oper tioned in the path of said roll and operable when ating connections between said rock arm and the said article-holding members, a cam follower roll on said rock arm, and a cam mounted on said 15 .support and positioned and arranged in the path of said roll and operable by the vertical move ment of the rock shaft to operate said article the rock shaft is lowered to swing said rock arm and thereby swing the article-holding members about their pivots. 9. Article transfer mechanism comprising a vertical rock shaft, a frame in which said shaft is mounted for up-and-down bodily movement and for rocking movement about its axis, a trans 7. Article transfer mechanism comprising a 20 fer arm on the rock shaft and extending later support, a vertical rock shaft mounted for rook ally therefrom, an article holder carried on said ing movement and up-and-down movement on arm and comprising a pair of article-holding said support, a transfer arm attached to the rock members pivoted on said arm to swing toward and shaft and extending laterally therefrom, an arti from each other for holding and releasing arti cie-holding cup comprising holding members piv 25 cles, means for rocking said shaft and thereby otally mounted on said arm for swinging move swinging the article holder from one position to ment toward and from each other, a rock arm another, and means for swinging said article mounted on said shaft for rocking movement holding members about their pivots comprising about the of the shaft, means providing oper a rock arm mounted on the said rock shaft for ating connections between said rock arm and 30 rocking movement relative thereto, a cam fol the said article-holding members, a cam follower lower roll on said rock arm, means providing roll on said rock arm, means for lowering the rock operating connections between the rock arm and holding members. vshaft and rock arm, a cam positioned in the path said article-holding members for swinging the of said roll and operable to swing said article latter when said arm is rocked, cams positioned holding members apart when the rock shaft and 35 below andin the path of Said cam follower roll, said members are lowered, and means for swing one said cam being positioned and arranged to ing said holding members to article-holding' posi swing thevarticle-holding members apart'when tion when the shaft is lifted. the transfer arm is lowered with the article 8. Article transfer mechanism comprising a holder at one said position, the other cam being vertical rock shaft, a frame in which said shaft 40 positioned to swing said article-holding members is mounted for up-and-down bodily movement apart when the rock shaft is lowered at the other and for rocking movement about its axis, a trans said position, and spring means for swinging the fer arm on the rock shaft and extending later article-holding members about their pivots to aly therefrom, an article holder carried on said article-holding position when the rock shaft is arm and comprising a pair of article-holding lifted. members pivoted on said arm to swing toward Y EDWARD I-I. BENNETT.