US816550A - Grinding-machine. - Google Patents

Description

N0. 816.550. P gBNTBD MAR. 27. 1906. L. W. HOLUB. BINDING MACHINE. '.PPLIGATION FILED APP., 1s. 1904.

4 SHEETS-SHEET l.

PATENTBD MAR. 27, 1906, L. W. HOLUB.

GRINDING MACHINE. ,A PPLIOATION FILED APR.18.1904.

4 SHEETS-SHEET 2 PATENT .LD MAR. 27, 1906 L. W. HOLUB. GRINDING MACHINE. APPLICATION FILED APR. 18. 1904.

4 SHEETS-SHEET 3,

L. W. HOLUB. GRINDING MACHINE.

APPLIOATIONVFILED APR. 18. 1904 PTRNTL'D MAR. 27, i906.

4 SHEETS-SHBET 4.

PATENT @FFiQE i LOUPS ii. HOLE?, @F NEVI YGRK, N. Y.

Specifica-tion of Letters Patent.

Patented. Maren 27, 1906.Y

Application iilefl April 1S, 1901i. Serial No 203,738.

To all 'Luiz/om] it may conce-re:

Be it known that i, LoUisW. Hours, a citizen oi the nlted States, residing at New VYork. city, in the county of New York and in fact, used in connection with aiiylolanksy having curved or ilat surfaces and requiring a rotary grindiuiOi-ring in one of the steps of the inishing operations.

The primary object of' my invention. is the production of mechanism .rhich is comparan tively simple in construction, embodying no complicated machinery, which is so easily rendered inoperative.

A further object is to provide improved means for supporting the grinding-wheel, which means is adjustable te and from the work, thus making revisions for obvious dcects due to the constant wearing el" the ring. Further, i :rovide means for varyincl the eccentric patri of travel of the chucks with relation to the grinding ring, whereby the blanks to he ground will be subjected more or less to the action of the ring.

Other objects and advantages will be more speciiically set forth in the following description and those features upon which i desire protection dclined in the appended claims.

Broaclly, the invention contemplates the vprovision ot' a plurality oi chucks moving in a circula-r path and at a. prmletermined point moving beneath a revolvingy grinding-ring bearing an eccentric relation thereto, so that the blanks carried hy the chucks will be subjected to a grinding' action, thc chucks at this point being rapidiy revolved, end after the chucks pass out ol' contact with said ring they rcioase the blanks and the rotation thereof ceases.

in tue accompanyinior drawings, which lforni a part ol? th is application, similar numerals ci" reference indicate like parts through.- out the several views, in `{whichl `igure i is a View invside elevation and artly in vertical cross section of Iny irn r Fig. 2 is u viewY in top plan of the seme, the grinding-ring und its mechanism being" removed and the standard being broken away. Fig. 3 is a view infront ele` -ration of the slidingv frame and the supporting-table therefor. ifig. i shows the Vliuisluril button in top plan and side elevation, respectively. Fig. 5 is a view in iront elevation oi th'e entire machine with the exception of its extreme upper end, which is luoken away. Fig. is a detail view ci the series ol chucks which act in conjunction with thc eccentrically-disposed grinding-ring, the latter being shown in section, and all cooperating mechanisms of the chucks and rindiuc-ring i being removed. Fig. 7 is a view in perspective ol the cam-track which is eng-aged by the rollers oi the chuck-sleeves, so as to open' the chuck-jaws and tl'lcrc-,by release the button-blanks,

i indicates a vertical l'rame-stalulard'having a right-angular trible or bracket 2 approximately midway oi its height and at its upper end a vertically-:uliusiahle bracket 3, formed with bearings 4 and Thi-se hear ings rotatably support the arbor l), and the upper bearing', as will he observed by rel`eronce to Fig. l, providedV with u removable section '-l, which carries au angular arm 7, provided with auvadjusluhle threaded bearing-piu t5.

W thin the bearing i lmouut a bushing' ll, which engages a circuml'i-rential shoulder on the arbor and lixedly mounted ou said arbor between the said hearings fl and is a. pulley adapted to bc driven hy any suitable means. (Not shown.) as il), iselso provided iu the hearing 5, and at a point adjacent to the lower edge oll this bushing the arbor 6 is l'ormed with. au annular llange 11, the function ol' which will be more clearly set l'orth in the l'ollowino'.

y 12 indicates an outer annular clampingdisk, and l?) an inner clampiug-diskclamping-disks are arranged in concentric relation to each other aud are l'ormed with central openings, through which the arbor projects. The upper or outer disk 12 has a scat in the upper lace encircling `its opening, so as to receive the [lange 11, which lorms an ebutiuent or stop [or thc said disk.

i4 indicates ya nut on the lower end oi the arbor for forcing the disk i3 toward the disk l2, and by this movement, the said clampingdisks having the edge llanges l5 and lo, respectively, the horizontal grinding; ring' or wheel i7 is securely clamped therelwtween. The particular disposition ol' these llanges dill'ers slightly-that is, the llangc ol` the disk A similar bushing,-

. f 13 has its flange inclined so as to embrace the under inclined face ol' the in ardly-pro- (in the table LZ is slidablv mounted on the" rails 1S a frame lti, which` is provided on its upper face at a point beneath the arbor t with an integral annular hollow cylini'lrical portion 2t), formingr a track on which the chuck-carriage 21 is mounted to revolve. '.l`his carriage at its u )per and lower portions is provided with a plurality of spaced-apart integral hearings 22 and 23, respectively, the lower bearings 223 carrying adj ustable bearingpins 24, all of which will be more. specifically referi'ed to in the following. The carriage comprises a cylindrical body portion having its lower end resting on an annular shoulder 2U of the track 2() and having its upper end flared to approximate funnel shape, whereby the buttons can be discharged from the rotary chucks to the chute .25 and thence to any receptacle. arranged beneath the niachine. At the base of this flared mouth is an integral inwardly-proecting ilane'e 26, which bears on the upper edge of thev track 2t) and projects to a point within the same, whereby the chiite can be liXedly connected thereto, as shown. The chute 25 projects below the frame and carries on its lower end a wormgca-r 27, meshing with a worm 2S on a crossshaft 2t), journaled in the bracket i.,

30 indicates the drive-shaft, operated by any desired means, from which 'power is transmitted, as by an endless belt 3i, to said shaft 2l).

32 indicates the chuek-casings, carrying the fixed pulleys 33.

34 indicatessleeves looselyr encirclingr the casings and bearing on the liked casini;- rings 35.

36 indicates rollers revolubly mounted on the stub-shafts or pins 37, secured to the sleeves 34 and which project through vertical slots 38 in the brackets or bearings 3l), carried by the carriage 21..

Each chuck has a plurality ol'v resilientlysupported jaws 4t), the saine bcingjr secured at their inner ends to a block 41, which is rotatably mounted on the underlyingr l airing-pin 24. Thus when the casing?r 32 is depressed through the medium of a cam-track, to be referred to hereinafter, engagingr the roller t the conical seat in its upper end will be withdrawn from engagement with the conical exterior portion of the jaws, thereby allowing,y the jaws to expand, or, in other words, release. the ground biittoi-i-blank. Springs i2 are provided for returning,i the casinirs to their iioiiiial positions.

ft indi 'fates an endless belt passing.; over a drive-pulley lil and thence to the Achuck-pulleys 32S. ln order to lgive the desired tension to this belt., lv provide a suitable means in the form of a rock-shaft 46, on the ends of which are journaled sheaves 4T and over which the belt 43 passes. This shaft is preferably held in its adjusted position by any suitable means-for instance, a set-screw 4S.

49 indicates a screw-shaft. having the handwlieel 50, through the medium olA which the. bracket 3 can be adjusted. 5i indicates another screw-shaft threaded in the ear 52 of the frame i9 and. having.)r its inner end swiveled in the table 2.

In operation the carriage 21 is revolved slowly by the worin and worm-gear mechanism heretofore described, and the chucks which are engaged by the belt 43 are rapidly revolved, so that the entire outer portion of one face of the blank is subjected to the action of the grinding-ring. (tice Fig. 3.) The grinding-ring 17 is of smaller diameter than that of the circle described by the series of chucks and is eccentrically disposed thereto whereby the button-blanks contained in the chucks will only be engaged by said grindingring when the carriage, 21 is rotated. After the chucks have passed out-of contact with the belt 43 the rollers 36 thereof engage a cam-track 53, so that the chuck-casings 32 are lowered and the chuc-kjaws thereby allowed to spring apart, and thus releasingr the, ground button-blanks. 'lhesc buttonblanks when thus ground ai'e formed with a central stud 55. (50e Fig. d.) leinploy any desired means to remove the blanks from the chucks; but I prefer to use pneumatic means, for which l intend to make separate application for patent ln the present application l. make no claim to the chuck perse, as a separate application has been tiled thereon, the same bearing Serial No. ltl3,Htit`i. After the finished blanks are removed other blanks are substituted therefor, and the grinding operation then proceeds, as previously indicated.

By the construction described as the lrindinQ-ring becomes worn l can readily lower the saine to make up for such wear. l"inther, the frame lti can be adjusted to var v the amount of blank-surface subjected to t he aetioir of the grinding-ring so as to 'increasior decrease the diameter of the stud 55,11iid, linally, it will be observed that by the belt -ll simultaneoiisly engaging only a portion of the series of chucks the remainingr are not beingr rotated and are not again rotated until the linished blanks have been removed and new ones substituted therefor. 'l`hus it will be apparent. that as the chucks are not being rotated when the blanks are being removed and placed in position this operation is greatly facilitated.

ln the present application l Iiave described a construction which will operate to advantage in the manner spccilied and accomplish the many purposes and objects to which it. is assigned, but l do noi desire myself restricted to the detailed construction thereof oxllO sieste .cept as indicated in the appended claims, as

cessively bringing sai chucks beneath said,-

itwill be obvious that numerous alterations can be made without materially adecting the operation of the' machine and Without departing from the spirit of the invention.

Having thus fully described my invention, I claim as new and desire to secure by Letters Patenti 1. In a grinding-machine of the type set forth, a plurality ofcliucks, means for moving them in an vendless ycourse, a grinding means eccentrically disposed thereto, means for adjusting the 'grinding means in a vertical plane; and means for adjusting'the chucks in a horizontal plane. t e

. 2. In combination a rotary grinding means,

a frame slidable laterally withrelation to the axis thereof, rotary chucks supported -by said frame and being eccentrically disposed with relation to said grinding means, means for sucgrinding means, and means for rotating said chucks at such point of their travel.

`3. In combination with" a frame provided on its upper face with a cylindrical track, a carriage having its lower portion embracing the said track, a chute extending through.

said track and being se'curedfto said carriage,

chucks carried by said carriage, means for operating said chucks, and means for operating.

said carriage cooperating with the means carried by the chute.

e.- In' combination with a standard,A a grindingering adj ustabl y mounted on, the u per portion thereof, a table slidable laterally relative to the axis thereof, chucks supported on said table, means for moving themgin an endless course, means for rotating said chucks only at the point when beneath the grindingring.

5. In a machine of the type set forth, a

track, Va carriage -into which the' track projects, a fiange formed integralwith the carriage and engaging the uppervdge of the track, a chute secured to said an e, means for o erating said carriage, and c uclrs rotatabIy mounted. on said carriagein combination withmeans for driving the same.

i 6. Ina machine of the type set forth, a'taf ble formed with a cylindrical track project-sof ing upwardly from its upper face, saidtragkuqj being formed with an 'external annular shoul-V v der, a carriage embodying a cylindricai lgygdy,

portion telescoping said track andha its ing reciprocating casings, and spindles hav ing jaws open andclosed by thevmovement of said casings, means on said `rcarriageforming a bearing for the lower end ofsaid spindles means for rotating said chucks ata predetermined. point4 of travel, Vand means on said standard'partially embracing said carriage for reciprocating said casing-s after the chucks have assed the aforementioned oint. 8. vIn com ination, astandard forme with a table, a carriage-support laterally mounted thereon, a carriage rotatably mounted on said support, chucks carried thereby, al chute eX-V tending downwardly from the carriage, a gear secured to said chute, means engaging saidear for rotatingsaid carriage, vand means or reciprocating said carriage-'support` LOUIS W. HLUB'.-

`'Witnesses` I CHAs. M.' Havant,

J. lPownRs.

Images