SU1292877A1 - Combination die - Google Patents

Abstract

The invention relates to the processing of metals by pressure and can be used in the manufacture of parts such as glasses with a hole in the bottom of a strip material. The purpose of the invention is to improve the quality, expand technological capabilities and simplify the design. The stamp comprises an upper plate 1, a lower plate 2, a punch-matrix 5 for combined cutting and drawing, a punching matrix 3, a drawing punch 4 and a punching punch 19. The blank in the form of a glass is fed to the punching punch by the gate II moved by means of the lever 12. The latter is rigidly connected to the spring-loaded rocker 14. An adjustable pusher 18 acts on one arm of the rocker, the other interacts with a height-adjustable travel stop 16 on the slide mounted on the bottom plate. This increases the accuracy of punching the hole, adjusts the stroke of the gate, regardless of the stroke of the press. 1 h. c. f-ly, 3 ill. I I / 15/7 // (L tc with to 00 Figure 1

Description

The invention relates to the processing of metals by pressure and can be used in the manufacture of cylindrical glasses with a hole in the bottom of a strip material.

The aim of the invention is to improve the quality, expand the technological capabilities and simplify the design.

FIG. 1 shows a stamp combined in the lower position of the press ram; in fig. 2 - the same, in the upper position of the press ram; in fig. 3 - plan of the bottom of the combined stamp.

Combined punch contains top 1 and bottom 2 plates, die 3 and punch of exhaust 4 mounted on top plate 1, punch matrix 5 and puller 6 intended for guiding the strip 7 and removing it from punch matrix 5 mounted on the bottom plate 2, and in the punch-matrix 5 below the exhaust through ska 8 there is an edge 9, which is necessary to remove the stretched workpiece 10 from the exhaust punch 4, an inter-operational feed consisting of a slide 11 located on bottom plate 2, the lever 12, rigidly fixed on the same axis 13 with the yoke 14, with the axis 13 mounted on the bottom plate 2 by means of the supports 15, the travel stop 16 of the gate 11, the spring 17 and the pusher 18 mounted on the top plate 1, and also a punch punching 19, a die 20 and a locking mechanism containing clamps 21, mounted in the puller 22, movable in the direction perpendicular to the direction of movement of the blanks 10, spring loaded 23, and the safety device 24,

mounted on the top plate 1 with the possibility

movement along the piercing punch 19 under the action of the springs 25, designed to finally center the workpiece 10 relative to the piercing punch 19 and remove the finished part 26 from it.

Combined stamp works as follows.

In the upper position of the press slide, the gate 11, under the action of the spring 17, which acts on the gate 11 through the rocker arm 14 and the lever 12 fixed on the shaft 13, moves under the die 5, blocking its collapse window. The beam 14 rests on the travel stop 16, which limits the movement of the gate 11 in the feed direction. The strip 7 is fed through the puller 6 to the feed stream of the preform. When the press ram moves downwards in the stream of the ingress of the blank from the strip 7, a round blank is punched in the die 3 by a die 5 and the die 4 is drawn in the die 5 of the cylindrical blank 10 in a die 5.

0 5 0

five

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n 5

14 under the action of the pusher 18 rotates the axis 13 and the lever 12, which pushes the gate 11 in the opposite direction to the feed direction and opens the failed window of the die-plate 5, and the previously stamped workpiece 10 falls into the working zone of the gate 11. The stroke of the gate 11 in the opposite direction the feed direction is adjusted by the length of the pusher 18 mounted on the top plate 1. During the press slide up, the workpiece 10 is removed from the punch by the 4th edge of the punch 9 of the die 5 and falls onto the gate 11, which pushes the previous workpiece into the direction of the piercing brook closes the failed window of the punch-die 5. The workpiece 10 is pushed by the spring-loaded springs 23 when pushed by the gateway 11 into the piercer, and is pre-oriented relative to the punch of the piercing 19 and the die 20, and the finished part 26 is pushed by the supplied workpiece from the working area of the die . Subsequent downward movement of the press ram, the pre-oriented billet is finally fixed by the catcher 24 spring loaded 25, after which the hole is punched with a punch punch 19. At the same time, the next billet is drawn in the incoming creek and the billet 11 is moved to its initial position to feed the billet.

The use of the invention allows improving the accuracy of punching the hole, adjusting the stroke of the gate regardless of the stroke of the press, rejecting the additional interoperable feed mechanism, simplifying the mechanism for removing the finished part.

Claims (2)

1. Combined stamp, mainly for the manufacture of glasses with a hole in the bottom, containing upper and lower plates, punches and dies for cutting from the blank strip, drawing the glass and punching the hole in it, sliding mechanism for inter-operation feeding, fixing the glass for piercing position I a stream for supplying the workpiece, characterized in that, in order to improve the quality, expand the technological possibilities and simplify the design, the fixing mechanism of the glass in the piercing position is designed as olozhnyh sides of matrix breakdown two spring-loaded clamps to each other and the piercing punch mounted on a spring-loaded catches, sliding vane mechanism interoperational feed is designed as a rocker fixed on a rotary axis mounted on the bottom plate and connected to the gate by means of a lever, one end of which is rigidly fixed on the rotary axis, and the other is mounted to interact with the gate, and the stroke limiter of the gate installed on the lower plate with the possibility of height adjustment and interaction with one arm of the rocker, the other arm of the rocker with the possibility of periodic interaction with the top plate and is spring-loaded to the top plate, and the punches and dies for cutting and drawing are made in form of mouth. Newly installed on the bottom plate of the matrix punch, for combined mixing, cutting and stretching and mounted on the top plate concentrically with respect to the punch matrix of the cutting matrix and the drawing punch, the creek for feeding the workpiece formed by the punch matrix, cutting matrix and exhaust punch. 2. A stamp in accordance with claim 1, characterized in that the top plate is provided with a pusher mounted on it with the possibility of height adjustment and periodic interaction with the arm of the rocker arm. // 2510 Phage. 2 20 Fig.Z