SU1222358A1 - Die for punching slots - Google Patents

Description

The invention relates to the cold processing of metals by pressure and can be used for punching grooves on the ends of the billets of the bearing inserts.

The purpose of the invention is to increase the quality of the products obtained.

FIG. 1 is a general view; in fig. 2 is a view A of FIG. one; in fig. 3 - clamping matrix; in fig. 4 - blank billet bearing insert jig SRI after punching grooves.

The stamp contains the lower plate I, the intermediate plate 2, the matrix-clamp 3, the pusher 4, the upper plate 5, the clamp 6, the levers 7 and the punches 8.

The bottom plate 1 is installed on the mounting table 15 of the press. It has stops 10, guide columns 11.

The stops 10 serve to limit the movement of the intermediate plate; 2 down. The guide columns 11 direct the mixing of the plate 2 and the clamp 6 relative to the bottom plate 1. The pusher 4 is mounted on the lower plate 1 coaxially with the matrix-clamp 3 with the possibility of reciprocating mixing relative to the bottom

is the direction of their columns 11, which are placed in the holes of the clamp 6.

On the latter, the levers 7 with bevels are fixed and spring-loaded with springs 17. Each lever 7 is pivotally connected to a pair of punches 8. The latter are installed with the possibility of horizontal reciprocating movement in longitudinal grooves made on both sides of the clamp 6 and closed with straight straps 18.

Upper plate 5 is installed on the slider 19 of the press. It is made U-shaped bottom rollers 20 are placed on it, with which it interacts with bevels of levers 7.

The stamp works as follows.

The blank 2 from the magazine by the gate of the feeder (not shown) is fed to the pressing matrix 3. The press drive is activated. The slider 19 moves downward, moving the upper plate 5, and the latter moves down the clamp 6 with the buffer 16, the latter sits on the workpiece 21 with its cylindrical socket and moves the intermediate plate 2 down to the stops 10. At the same time, the buffers 14 and 16 are compressed to form an effort 1 and. Serves for elastic deformation on the workpiece 21. At the same time, when the matrix-clamp 3 is primed, so that when the intermediate plate 2 is attached together with the workpiece to the nest surface by the clamp-3 matrix, the push rod 4 Enter 6. Pusher 4 is placed and a buffer Dit wedge pocket array 3 and proiz- 12 of resilient material (polyurethane), and drives its elastic deformation. Owing also to the pusher 4, annular sections of the workpiece 21 are made adjacent to the collar 13, interacting with the buffer 12. 30 connector planes (joints) are pressed- The intermediate plate 2 serves to open the cylindrical surface of the nest 6.

At the end of the elastic deformation of the matrix 3, the pusher 4 moves down with it, compressing the bumpers 11 with the ring collar 13. Intermediate plate 2 5 fer 12. When the upper moves further, it rests on the buffers 14 from the elastic plate 5 down its rollers 20, the action of the material (polyurethane) placed on the bevel of the levers 7, rotate them on equalizing columns Ioc x, compressing the springs 17. The levers 7 reV the base of the matrix clamp 3 (Fig. 3) interfere along the longitudinal grooves of the clamp 6 wedge groove is made, and part of the outer 40 Wansons 8, and the last break through The t in the cylindrical surface of the clamping matrix is made with understating in places, fitting and allowing the matrix clamp 3 to move. It has a rectangular groove in which the pusher 4 is placed and the holes, under the direction of the longitudinal

legay.ih to the joints of the blanks.

2 grooves and the grooves of the clamping matrix 3 enter.

The drive of the press is reversed. The slider 19 is moved upward, while the upper plate 5 is stirred. Actuating 3 on both sides of the rollers 20, the longitudinal rectangular grooves (Fig. 3) are stopped on the levers 7. In and spring 17, expanding, turning, turn the clamp 6 is made, coaxially to the matrix-clamp 3, a cylindrical socket, which

For the passage of the punches 8, into the matrix 7 to the initial position.

At this m., The punches 8 come out of the grooves of the pressing matrix 3. As the upper plate continues to move upwards

it covers the workpiece mounted on the clamping die 3. The clamp 6 is connected to the top. When this is done, the punches 8 come out of the grooves of the die clamp 3. As the upper plate continues to move upwards

her stove

5 screw 15 with Euse capability - O up 6. Buffers 14, unclip.

axial reciprocating movement, relative to the top plate 5. Between the clamp 6 and the top plate 5 there is an elastic buffer 16 placed on the screw 15.

55

The intermediate plate 2 with the matrix 3 is moved to the initial position. When buffer 12 is decompressed, the pusher 4 returns to its original position. All the parts of the Iltamp return to the original position. Zago55

The axial reciprocating direction 21 is pushed out of the next harvesting movement of the clamp 6 by means of discharge for unloading. The cycle is repeated.

is the direction of their columns 11, which are placed in the holes of the clamp 6.

On the latter, the levers 7 with bevels are fixed and spring-loaded with springs 17. Each lever 7 is pivotally connected to a pair of punches 8. The latter are installed with the possibility of horizontal reciprocating movement in longitudinal grooves made on both sides of the clamp 6 and closed with straight straps 18.

Upper plate 5 is installed on the slider 19 of the press. It is made U-shaped bottom rollers 20 are placed on it, with which it interacts with bevels of levers 7.

The stamp works as follows.

The blank 2 from the magazine by the gate of the feeder (not shown) is fed to the pressing matrix 3. The press drive is activated. The slider 19 moves downward, moving the upper plate 5, and the latter moves down the clamp 6 with the buffer 16, the latter sits on the workpiece 21 with its cylindrical nest and moves the intermediate plate 2 down to the stops 10. At the same time, the buffers 14 and 16 are compressed to form the forces acting on billet 21. At the same time, when moving the intermediate plate 2 together with the clamping matrix 3 down, the pusher 4 enters the wedge nest of the matrix 3 and produces its elastic deformation. As a consequence, the areas of the workpiece 21 adjacent to the planes of the connector (joints) are pressed against the cylindrical surface of the nest of the clamp 6.

am clamp 6 beat in the head

in longitudinal

The drive of the press is reversed. The slider 19 is moved up, while the upper plate 5 is stirred. The action of the rollers 20 on the levers 7 stops and the springs 17, uncoupling, turn

levers 7 to its original position.

At this m., The punches 8 come out of the grooves of the pressing matrix 3. As the upper plate continues to move upwards

up 6. Buffers 14, unclamping.

55

The intermediate plate 2 with the matrix 3 is moved to the initial position. When buffer 12 is decompressed, the pusher 4 returns to its original position. All the parts of the Iltamp return to the original position. Preparation 21 is pushed out with another billet for unloading. The cycle is repeated.

FIG. g

Fig.Z

21

Fy

Compiled by V. Beschekov Tehred I. VeresKorrektor S. Cherni

Circulation 783 Subscription

VNIIPI USSR State Committee

for inventions and discoveries

113035, Moscow, Zh-35, Raushsk nab. 4/5

Branch PPP "Patent, Uzhgorod, st. Project, 4

Claims (1)

STAMP FOR PUNCHING grooves, mainly cylindrical in shape, containing an upper plate with punch punches, a clip, a buffer, and also a lower plate with a matrix-clip, an emphasis and a buffer, and guide columns, characterized in that, in order to improve the quality of the products obtained, the top - the n-type plate is made U-shaped and equipped with rollers mounted at its ends, the stamp is equipped with an intermediate plate and a pusher, as well as levers with bevels articulated with punch punches and placed on the clamp from the upper rollers plates, punch punches mounted on both sides of the clamp with the possibility of oncoming reciprocating movement, the pusher is mounted on the bottom plate with the possibility of reciprocating movement, the matrix-clamp is made in the form of a hollow half cylinder with a transverse wedge groove for the pusher and rectangular grooves on the side of the end sections , and placed on the intermediate plate, and the pusher is made with a wedge working surface. FIG. /