US533237A

US533237A - Machine for making counter-stiffeners

Info

Publication number: US533237A
Authority: US
Publication date: 1895-01-29
Anticipated expiration: 1912-01-29

Description

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N. J. SIMONDS. 'MAGHIN'E FOR MAKING COUNTER STIFFENERS.

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Patented Jan. 29, 1 95.

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N. J. SIMONDS.

MACHINE FOR MAKING COUNTER STIPPENERS. No. 533,237. I Patented Jan, 29, 1895.

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NJ. S-IM'ONDS. MACHINE FOR MAKING COUNTER STIPFENER$. No. 583,237. Patented Jan. 29. 189E).

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N. J. SIMONDS. MACHINE FOR MAKING COUNTER STIFFENERS.

N0. 533,237. Patented Jan. 29, 1895.

Wiqessesence being bad to NATHAN J. SIMONDS, OF WOBURN, MASSACHUSETTS.

MACHINE FOR MAKING COUNTER-STIFFENERS.

SPECIFICATION forming part of Letters Patent No. 533,237, dated January 29, 1895. Application filed August 8, 1888. Serial No. 282,26 7. (No model.)

To all whom it may concern:

Be it known that I, NATHAN J. SIMoNns, of

oburn, county of Middlesex, State of Massachusetts, have invented certain new and useful Improvements in Machines for Making Oounter-Stiffeners for Boots or Shoes, of which the following is a specification, referthe drawings accompanying and forming a part hereof, in which- Figure 1 is a side elevation of my machine. Fig. 2 is a front elevation. Fig. 3 is a plan View. Fig. 4 is a detail, showing the former and molds, and denoting their relative positions when the machine is ready to receive a blank. Fig. 5 is a similar view, showing the position of the parts when the side molds or dies have closed on the former. Fig. 6 is a similar view, showing the parts after the side dies have opened and with the back die against the former. Fig. 7 is a section on line 0c-a:, Fig. 3.

The object of my invention is the construction of a speedy and effective machine for molding to and shoes, and it consists, chiefly, in the employment, in a machine such as will be hereinafter described, of a set of molds actingin conjunction with the former to press and rub a blank from which counters are made so as to set it to the shape of the former, the molds being arranged and operated in such manner as to not only press the blank but also to rub it, the side and back portions of the counter being acted on successively and a smooth counter produced, conforming accurately in shape to the exterior of the former; and it consists further in the construction and arrangement of the mechanism for actuating the molds and former as also for freeing the formed counter from the machine.

I have shown in the accompanying drawings the best form of machine nowknown to me which embodies my invention and I will describe it using like letters of reference to indicate like parts throughout said drawings.

A is the frame of the machine which consists of two sides secured together by crosspieces bolted thereto. The sides A may be of any convenient shape to support the shafts and moving parts.

The main shaft 13, is journaled in the rear the frame, as shown, Figs. 1 and 3, and is shape counter-stiffeners for boots provided with a driving pulley 0, connected with a suitable clutch and shipper mechanism of usual construction by which the pulley may be made fast or loose on the shaft when it is desired to start or stop the machine.

Near the other end of the shaft B a pinion D, is secured, which meshes with a gear E, fast on a crank-shaft F, which is also journaled in the frame of the machine about midway between the front and rear thereof. See Fig. 3. i

A pitman or connecting rod G, connects the crank-shaft with the lower end of aswinging frame H, see Figs. 1 and 2, for the purpose of actuating said frame. The frame H carries the former as also the side dies which co-operate therewith to mold the sides of the counter, and is suspended in the frame A of the machine by means of a shaft J which passes through a hole or bearing in the swinging frame H, and is journaled at either end in frame A.

The former-block K, Fig. 7, is of the shape to which it is desired to mold the counter, and is mounted centrally on the swinging frame H by means of flanged projections a on the base thereof, which slide laterally in grooves cut across the top of the frame H to receive them. By this means a former may be taken out and another one put in its place, if desired. The blocks b, which carry the side molds b, are similarly mounted in grooves cut across the upper end of the frame H so that they may have a lateral movement toward and from the former K. The molds b are mounted in the blocks 1) by means of grooves in the blocks, as shown at a, Fig. 5. Between the molds b and their blocks a strip of rubber, or similar yielding material, is interposed so that the molds may yield slightly when they come in contact with the counter blank. This is desirable for various reasons, as for example if the stock of the blank be of unequal thickness throughout.

For the purpose of actuating the side molds b I have provided cam-actuated levers d, of the shape shown, Figs. 1 and 3, which are piv .oted near their upper ends in'the swinging frame H and which project downwardly through curved slots in the frame A and are provided at their lower ends with friction tongues on the molds b which are received in rolls f, which, as the head H swings, travel over cam projections g, see Fig. 3, thus throwing in the upper ends which bear against the mold blocks b of the levers d and forcing the molds against the counter blank on the former. The cams g, which act to tilt the levers d, are secured on the outside of the frame A. The side molds b have in addition to their movement toward and from the former, a slight slipping or sliding movement lengthwise of the former, so that they not onl act upon the counter-blank by direct pressure but also by a sliding or rubbing pressure which aids in setting the blank to shape. The movement of the side molds b, which causes a rubbing action on the blank, is obtained by means of levers h, which are pivoted near their upper ends at j, see Fig. 1, in a recess or opening in the upper portion of the swinging frame H. See Fig. 2.

A short projection 70, on the lever it, above the pivot thereof, projects into-a recess m, in the under side of the block b, and the lower end of the lever is provided with a stud n, Fig. 2, which carries a friction roll 19 and projects into a cam path or slot q, Fig. 1, in the curved piece J which is secured to the frame of the machine. As the upper end of the frame H swings backward after a counterblank is placed on the former therollp traverses the cam-slot and gives the mold a slight forward movement against the sides of the counter.

The tongues on the under side of the blocks 1) are not as wide as the grooves in the top of the frame H, in which said tongues are received, and this permits of the movement of the blocks 1) by the levers h which cause the side-molds to rub the blank. After the sidemolds b have acted on the counter they open and the former, continuing its backward movement, carries the counter against the back mold 5 which is mounted in a crosspiece d of the frame. This cross-piece is recessed, as shown, Fig. 7, to receive the mold b and a piece of rubber or yielding material f, is placed in the recess behind the mold to give itaslightly yielding seat. An adjusting screw g is set in the cross-piece d and bears on the back of the mold for the purpose of adjusting it.

It will be observed that the back mold b acts after the side molds have withdrawn and overlaps the portion of the back of the counter which was not touched by the side molds so that any ridge left by the rear ends of the side molds is pressed out by the back mold and the counter left smooth.

The flange of the counter, which lies on the top or tread of the former, is rubbed and pressed down smoothly by the flange-block h which is mounted in the cross-piece 7c in the same manner as is the back mold b in the cross-piece (1. See Fig. 7 The operating face of the flange-block h is curved slightly to correspond to the curve of the top or tread of the former and thus a counter is produced which is slightly curved from front to rear of the bottom or flange. This curve is desirable, as it fits the corresponding curve of the heel of the last and of the foot.

For the purpose of freeing the formed counter from the machine a pin m, Fig. '7, is provided, which projects through a hole in the cross piece and flangeblock it and is pressed down by a leaf-spring n, which is secured to the cross-piece 70'. This spring bears against the upper end of the pin m. As the former moves back it carries the flange of the counter under the pin m, raising the pin slightly. When-the former moves forward the pin comes in contact with the flange of the counter, holding the counter back and thus freeing the counter from the former and allowing it to drop out of the machine.

The operation of the machine is as follows: \Vhen the swinging frame H is at the forward end of its throw (the reverse of its position in Fig. 1), the operator places either a partially formed blank or a flat blank on the former, the side molds close on it and press and rub the side portions. The former then passes under the flange-block, pressing and rubbing down the flange. The side molds then separate and the back of the former approaches the back mold, molding the back of the counter. The former then moves forward, the counter comes in contact with the clearing pin and ispulled off the former and drops out of the machine.

The machine shown in the drawings is more particularly designed as a finishing machine, that is, for finishing counters which have been previously partially formed or brought to approximate shape, but it may be used when desired to shape counters from flat blanks.

Great pressure is necessary or desirable in molding a heel stiffener to shape, and the swinging frame H has proved a desirable and economical means of actuating the former, and since the former, by this device, moves through the arc of a circle the precise curved shape of the tread of the heel may be given to the bottom or flange of the counter. This curved bottom or flange, although desirable, is not absolutely necessary to produce a salable counter, since at the present time many counters are made with flat bottoms. The former might, therefore, in my machine be reciprocated in a straight line and I do not desire to limit myself to the precise form of frame shown as other forms might be employed.

WVhat I claim is 1. A counter molding machine provided with a former upon which the counter is molded, and having two side molds which co-operate with said former to mold the sides of the counter and a back mold which cooperates with the former to mold the back of the counter, said back mold having a contact face greater than the space between the rear ends of the side molds, when said side molds are closed on the former, and suitable mechanism for forcing the back and side molds into contact with the counter successively whereby a counter is produced hav- 5 ing its surface smooth throughout, substantially as set forth.

2. A counter molding machine comprising a former upon which the counter is molded,

female side dies fitting along substantially the length of the sides of the said former, means for pressingsaid side dies toward said former to thereby mold the sides of the counter, and means whereby, after the sides of the counter have been molded, and while said side dies are held in close contact with the counter,

the said side dies are moved slightly lengthwise of the former to press and rub the sides of the counter, substantially as described.

3. A counter molding machine comprising a support, a shaft on which said support is mounted to turn, means for turning the said support around the axis of said shaft, a former carried by said support, female dies movable in unison with said support and former, and means acting to press said female dies against the said former as the support turns forward, substantially as described.

4. A counter molding machine comprising a support, a shaft or pivot about which said 0 supportis arranged to turn, a former carried by said support, female dies movable in unison with said support and former, means for actuating said female dies, and a flange-block having a curved operating face against which the flange of the counter is carried in moving 3 5 past the same, substantially as described.

5. In a counter-molding machine the combination, with the former mounted on. the swinging frame, the stationary flange-block and the clearing pin m, for the purposes and substantially as set forth.

6. In a counter-molding machine the com bination with the swinging frame of the former and side molds mounted on said frame, the levers d, pivoted thereto, and the cam projections g, whereby the side molds are made to approach the former as the frame swings, substantially as set forth.

7. In a counter-molding machine the combination with the swinging frame, of the former and side molds mounted on said frame, the levers h pivoted thereto, and the cams q for actuating said levers, whereby, as the frame swings, the side molds are caused to move lengthwise ofthe former and to rub the counter thereon, substantially as described.

NATHAN J. SIMONDS.

Witnesses:

WM. A. MAOLEOD, ROBERT WALLACE.