US1341312A - Gage for perforating-machines - Google Patents

Description

F. S. GLINES.

GAGE FOR PERFORATING MACHINES.

'APPucmou FILED MAY :0. 1918.

Patenwd May 25, 1920.

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F s GLINES GAGE FOR PERFORATING MACHINES.

APPLICATION FILED MAY I0, 1918- 1,341,,312 Patented May 25, 1920'.

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FREDERICK S. GLINE S, OF LYNN, MASSACHUSETTS, ASSIGNOR TO LORENZ MUTI-IER, 0F

NEWTON, MASSACHUSETTS.

GAGE FOR PERFORATING-MACHINES.

Specification of Letters Patent.

Patented May 25, 1920.

Application filed May 10, 1918. Serial No. 233,642.

To all whom it may concern Be it known that I, FREDERICK S. GLINEs,

a citizenof the United States, residing at Lynn, in the county of Essex and State of Massachusetts, have invented a new and Improved Gage for Perforating-Machines, of which the following is a specification, reference being had therein to the'accompanying drawings.

This invention relates to perforating machines and more particularly to a gage for positioning material of irregular shape in such machines during a perforating operation. 1

Heretofore, in the use of what are termed gang perforatingmachines, that is machines having a series of punches of varying form of cutting edge and arranged to cut a design in one operation, it has been CUSlJOIDAIY to position the materialto be perforate by means of a longitudinal line and a cross line or by a series of lines engraved on the plate supporting the work. The operator then gaged the position of the work by the eye, which, of course, was not entirely satisfactory and frequently resulted in the design being perforated askew. This was particularly noticeable in perforating operations on shoe Vamps which were irregular in form. Furthermore, the arranging of the work in relation to the lines on the supporting plate generally required an unnecessary expenditure of time and thus slowed down the work. So far as I am aware no positive means have heretofore been provided for positioning work of this character ina gang perforating machine.

Them'ain object of my invention is to provide a gage whereby material of irregular shape may be rapidly and accurately positioned in a perforating machine during the perforating operation.

Another objectof my invention is to providea device which may be easily adjusted to variously shaped materials and then set in that adjusted position.

An additional object of my invention is to provide means whereby the position of the gage is indicated so that it later the gage is changed for other work, it may be returned to itsfirst adjusted position with a minimum of effort and time. A further object of my inventlon is to provide a snap e, cheap, compact and accurate device for accomplishing the foregoing objects.

Other objects of my invention will be in part obvious and in part pointed out hereinafter.

Briefly described, my invention contemplates a plate or support for the material to be perforated, a slide movably arranged on said. plate with means for securing it in any adjusted position; said slide being provided with adjustable arms for engaging the edges of the material to be positioned and means for moving said arms and for securing them in any adjusted position. My invention further, contemplates one or more sets of graduations arranged in conjunction with said slide so that a record may be made of any adjusted. position to facilitate a return to that position afterward.

In the accompanying drawings illustrating one embodiment of my invention, F igure 1 is a side elevation, partly in section, of one application of my device; Fig. 2 is a front elevation looking from left to right along line 22 in Fig- 1; Fig. 8 is an enlarged plan view of my device illustrating its use in connection with a shoe vamp which is shown in dotted lines; Fig. 4. is a view, partly in elevation and partly in section, taken on line 4c4; in Fig. 3; and Fig. 5 is a section taken on line 5-5 in Fig. 3.

My device is shown in the drawings as applied to a perforating machine of the type commonly known as a gang perforator. It is to be understood, however, that my invention is not limited in its application to the particular kind of a machine shown.

Referring now more particularly to the drawings there is shown at 10 a frame of a gang perforating machine having a shaft 11 journaled in its upper part upon which is fixed an eccentric 12 which carries a strap 13 connected by means of a pin l/lto one end of toggle links 15 and 16. The other end of the link 15 is connected by means of a pin 17 to a screw 18 which is threaded into the upper part of the frame 10 and may be adjusted by means of nuts 19 and 20. The link 16 is connected by a pin 21 to a slide 22 which is adapted to slide in a guideway formed in the frame 10 and is retained in its guideway by a plate 23.

The lower end of the slide 2.9. is enlarged and provided on its under side with a transverse recess 24 and a dove-tailed groove 25 on each side adapted to receive a plate 26 in which may be secured punches 27 (see Fig. 4) of any desired number, shape and arrangement. The plate 26 is retained in operative position by means of a screw 28 which has mounted upon it a ratchet 29 and co-acting pawl 30 adapted to prevent the screw 28 from loosening during the operation of the machine. The punches 27 are hollow (see Fig. 4) and have a cutting edge 31. In the perforating operation the hollow punches cut out pieces of the material which pile up in the interior of the punch until they reach the top and then drop out through the slot 24. The plate 26 may have plugs 32 secured to its upper surface and contacting with the slide 22 to pre' vent bending of said plate.

At 33 is shown'a cross-piece or bridge having stiffening ribs 84 and 35 and an elongated slot 36 for a purpose to be described hereinafter.

A pulley or belt wheel 37 is mounted for rotation upon the shaft 11 and is retainedin position by washer 38 and screw The pulley 37 has a clutch 40 adapted to be operated by a rod 41 to cause rotation of the shaft 11. The rod 41 is spring-pressed upwardly toward the shaft 11 and is connected to a treadle or other suitable means whereby the operator may withdraw said rod from engagement with the clutch 40 whereupon power is transmitted to shaft 11 until the operator releases the treadle and the rod 41 is moved upwardly by means of its coacting spring (not shown).

There is shown at 42 (see Figs. 3 and 4) a base plate having a stud 43 secured to its under side. Threaded upon the stud 4 is a nut 44 adapted to secure the plate 42 in operative position upon the bridge 33 as shown in Fig. 4. All of the foregoing construction is old and well known in the art and forms no part of my invention.

The novel means constituting one cm bodiment of my invention comprises the followin The support or work plate 42 is provided with a longitudinal slot 45 adapted to receive a tongue 46 formed on the under side of a slide 47 so that the slide is held in the slot against lateral movement by means of the tongue, but is free to be moved longitudinally on the plate. At each end the slide is provided with two slots 48 and 49 in which arms 50-5O and 5151 are respectively mounted by means of pins 52--52 and 5353. Upon the outer extremities of the arms rolls 54 are rotatably mounted on fixed pins, the lower side of the rolls resting upon the upper face of the work plate.

For the purpose of moving each pair oi? .arms into any desired position. independently of the other pair, and for holding them in any adjusted position, various means may be provided and one such comprises the following instrumentalities. The slide 47 is provided with tapped holes 55 and 56. Each of these holes is located near the pivot points of one pair of arms and between the two arms constituting the pair. These holes are threaded and adapted to receive screws 57 and 58 respectively, (see Fig. 4), each screw having a knurled head at its lower extremity to facilitate ad jnstnient and having a substantially cone shaped point which is adapted to enter between the two arms constituting a pair as shown in Fig. 5; so that. when the screw is moved upwardly, the cone shaped point spreads the two arms constituting the pair. Springs 76 and 77 are provided and mount ed on each screw respectively between the head and the lower side of the plate 42 in order to hold its respective screw against any loosening from the vibration in the machine. Flat springs 59 and 60 are secured respectively to opposite sides of the slide 47 and each engage at their extremities with one of each pair of arms 50-50 and 5l5]. in order to hold the arms in engagement with the cone shaped ends of the screws 57 and 58 respectively.

The revolution of one of the screws 57 or 58 in one direction will advance its conrpointed. contact with both arms of the (0r responding pair, and as a result, the nuns will 'be spread apart. When the screw is revolved in the opposite direction, the arms. under the influence of the flat springs 59 and 60, move toward each other or close in. Tt will be observed that either pair of arms may be adjusted independentlyoi the other. The tapped holes 55 and 56 are adjacent the pivot pins 52 and 53, and, therefore. a small movement of either oi the screws will cause a substantially greater movement oi the corresponding pairs of arms. Pins 61 and 62 are provided to prevent the respective pairs of arms from closing on the center ]inc of the slide and thus preventing the operation of screws 57 and 58 with their correspondvarions adjustments of my device so that it may be set in each end oi the slide 47 which may be used as a center guide in positioning the work.

In order that the slide may be secured longitudinally on the plate 42 in any ad justed position, I provide the tollowing means: A stud 63 is secured midwav in the slide 47 extending downwardly through the tongue 46, and has threaded upon it a. nut 64 having a knurled head Whirl) fa ilitates clamping the slide 47 in any desired position of longitudinal adjustment upon the plate. It may be desired. to remove the gage entirely from the plate and in doing this the slot 45 isenlarged at one end,.as shown at 65. (see Fig. The nut 64 may be loosened, and the gage moved toward the outer end of the plate until the nut is opposite the opening 65 when the gage may be readily removed without separating the nut from the stud.

In order that a recording may be made of various adjustments of m device so that it may be returned to any esired adjustment for any special kind of work without. undue delay the plate 42 may be provided with a set of graduations on each side of the slot 45, as shown at 66 and 67. The slide'47 has pointers 68 and 69 pressed into it transversely, the said pointers being adapted to cooperate with the graduations 66 and 67 to indicate different positions of relative adjustment. The object in providing two sets of pointers is to insure the cooperation of at least one set of pointers with graduations on the plate 42 when the body member is in extreme position of adjustment. Preferably the graduations each correspond to differences between one-half sizes in shoes, so that my gage is used for positioning shoe vamps or shoe tips in the perforating machine. The gage may be changed from one size of vamp to the next size, or to other sizes, by moving it in one direction or the other a number of graduations equal to the number of half sizes between the size of the vamp to which it is to be adjusted next. This insures rapid adjustment from one size to another on shoe parts and saves the time of the operator, and facilitates the progress of the work.

There may be inserted in the plate 42 at one end a piece of softer metal, as for in stance, brass or copper 70, so that the cutting edge of the perforating punches may not be rapidly dulled. Secured above the plate 42 and slightly spaced therefrom is a plate 71 having holes 72 corresponding with the perforating punches. The plate 71 is adapted to strip the perforated material from the punches as they move upwardly.

In the operation of my device the plate 42 is secured in position on the cross-piece 33 by means of stud 43 and nut 44, and the slide 47 is held on the plate by the tongue 46, engaging the slot 45.

In some kinds of shoes as now manufactured, the toe cap is dispensed with and a design is perforated on the forward end of the vamp while said vamp is fiat. Such a vamp is indicated by broken lines at 73. The vamp having been inserted between the stripper plate 71 and the base plate 42 and moved to the desired position, the pair of arms 50-50 may be adjusted'by means of the cooperating screw 55 to contact with certain parts of the vamp as indicated at 7474. The other pair of arms may be also adjusted to another portion of the vamp, as indicated at 75-45. When the foregoing adjustments have been made, the slide 47 may be secured in position by means of the nut 64 and the perforating operation may proceed. Each vamp is held flat on the plate 42 and moved into contact with the 10- eating arms 50-50 and 51-51, thus insuring exact and uniform location of each vamp with respect to the perforating punches.

After the correct adjustment for any particular size of vamp has once been obtained, it is only necessary to make a record of the particular mark in the set of graduations utilized and thereafter the gage may be set to the recorded mark without a series of trials.

It is to be noted that my device enables shoe parts of irregular shape to be positioned for the perforating operation and that after their position has been determined and secured that there is no further necessity ,for the exercise of the judgment of the op erator, but the pieces are positioned accurately and without any loss of time, due to adjustment. secured so that the perforating, for instance on Vamps, is exactly alike on both shoes of each pair and on all the pairs, thus saving the time of the operator in adjusting the vamp on the last where the perforations were slightly askew, which was a frequent occurrence.

It is further to be observed that the provision of graduations in connection with a gage enables the latter to be changed rapidly from one size of shoe part to another size, and also permits of the keeping of a record as to the exact position of a certain style of part so that by reference to that record at a subsequent time, the same style may be again perforated in uniformity with the previous ones of that style.

It is to be understood that my invention is not to be limited to the exact embodiment herein shown and described, since it is ca pable of being embodied in various other forms of construction, and I desire to claim the invention broadly except where specificall limited in the following claims.

at I claim is 1. A gage for perforating machines, having, in combination, a work-support provided with a slot, a slide movably mounted in said slot, a pair of forwardly extending arms" for positioning the work, each of said arms being pivotally mounted at one end on said slide adjacent to the other of said arms and having at its other end a roll for engaging the work, a pointed screw carried by said slide and located between said arms adjacent their pivot points for adjustably spreading said arms to position work of various sizes and two springs secured to said slide for engaging said arms to hold them in adjusted position against said pointed screw.

2. A gage for perforating machines, hav- A uniformity in the work is,

ing, in combination, a work-support provided with a slot, a set of graduations arranged in operative relation to said slot, a slide mounted in said slot and provided with pointers cooperating with said graduations to indicate the position of the slide, a pair of forwardly extending arms for positioning the work, each of said arms being pivotally mounted'at one end on said slide, adjacent to the other of said arms, a pointed screw carried by said slide and located between said arms adjacent their pivot points for adjustably spreading said arms to position work of various sizes and two springs secured to said slide for engaging said arms to hold them in adjusted position against said pointed screw.

3. A gage for perforating machines, having, in combination, a work-support provided with a slot, a slide movably mounted on said slot, two pairs of arms for positioning the work, one pair extending forwardly and the other pair extending rearwardly, the two arms of each pair being pivotally mounted at one end thereof on said slide adjacent to each other, two pointed screws carried by said slide, each of said screws being located between the two arms of one pair adjacent to their pivot points for adj ustably spreading the arms of said pair and two springs secured one on each side of said 1 slide, each of said springs engaging one of the arms of each pair for holding said arms in'adjusted position against their respective pointed screws.

4.. A gage for perforating machines, havthereof on said slide adjacent to each other, A

two pointed screws carried by said slide, each of said screws being located between the two arms of one pair adjacent to their pivot points for adjustably spreading the arms of said pair and two springs secured one on each side of said slide, each of said springs engaging one of the arms of each pair for holding said arms in adjusted position against their respective pointed screws.

5. A gage for perforating machines, having, in combination, a work-support provided with a slot, a slide movably mounted in said slot, a pair of forwardly extending arms for positioning the work, each of said arms being pivotally mounted at one end on said slide adjacent to the other of said arms, a pointed screw carried by said slide and located between said arms adjacent their pivot points for adjust-ably spreading said arms to position work of various sizes and two springs secured to said slide for engaging said arms to hold them in adjusted position against said pointed screw.

In witness whereof I hereunto set my hand this twenty-third day of March, 1918.

FREDERICK S. GLINES.

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