SU463290A1 - The mechanism for clamping the processed material to the landing machine - Google Patents

Description

(54) CLAMP MECHANISM OF THE HANDLED MATERIAL TO THE GRANT AUTOMATIC

The invention relates to equipment for the production of various parts by landing on an automatic machine.

A known mechanism for clamping the material to be processed to the landing machine includes a cutting unit containing two clamping jaws, one of which is mounted on one arm of a two-arm lever equipped with a rotational drive in a plane perpendicular to the direction of material feed through the wedge interacting with the other lever and mounted on a movable particle of the cutting unit carrying another sponge, on which one of the knives of the cutting unit is located.

The known clamping mechanism is not adapted for mounting on automatic machines with a swinging cutting unit.

In order to eliminate this drawback, the clamping mechanism is equipped with a position adjusting unit on the movable part of the cutting assembly and a lever fixed at one end on the swing axis of the cutting assembly and pivotally connected to the other end with a wedge. In addition, the knife position adjustment unit on

The movable part of the unit is made in the form of a three mobile rods, interacting with each other with beveled at an angle to the direction of movement of the ends.

FIG. 1 shows the proposed clamping mechanism; in fig. 2 shows the cutter assembly of the landing machine and the knife position adjustment assembly.

The clamping mechanism of the workpiece contains a double-arm lever 1, hinged on the two shoulders lever 2 of the swinging assembly for cutting the workpiece. On the shoulder of the lever 1, an integral clamping sponge is fitted with it at the same time, profiled along the contour of the material being processed. Friend clamping sponge serving as one of the knife

3 and provided with a position adjustment unit, placed on the shoulder of the lever 2. On the other shoulder of the lever 2, the rollers 4 are mounted, interacting with the cam shaft 5 of the automatic drive.

On the axis 6, together with the lever 2, is a lever 7 pivotally connected with a wedge 8 installed between the second arm of the lever 1 and the tip 9. The needle Q is fixed on the rod 11, which is fitted with a spring 12, pin 13 and nuts 14, mounted in the frame 10. The reciprocating movement of the rod 11 is carried out from the cam shaft 5 through the lever 15 and the fork 16, which interacts with the pin 13,

The knot for adjusting the position of the knife 3 on the lever 2 comprises three movable rods 17, which cooperate with each other with bevelled angles to the direction of movement by the ends as the screw 18 moves.

The lever 1 is raised to the knife 3 by means of a spring 19. The lever 7 is provided with a spring 20 less rigid than a spring 12,

The mechanism works as follows.

Before starting the operation, the rod 11 is in the leftmost position (FIG. 1) under the action of the plug 16. The spring 12 is compressed, the wedge 8 does not interact with the lever arm 1.

After placing the material to be processed in the clamping jaws between the lever arm 1 and the knife 3, the fork 16 is rotated clockwise by the action of the cam shaft 5 and the lever 15 and, through the pin 13 on the pin 11, moves it. Wedge 8, moving to the right, rotates lever 1, and the material being processed is securely fixed in the clamping jaws.

Then, under the action of the cam shaft 5, the lever 2, together with it and the lever 7, rotate clockwise (Fig. 1), cutting the clamped workpiece from the material being processed and transferring it to another processing position. Since this results in significant elastic deformations of the force elements of the clamping and cutting mechanisms, the workpiece is securely clamped by the knife and the lever arm. After unloading the force elements of the clamping mechanisms and cutting the machine for holding the workpiece in the clamping jaws, the force of the spring 19 is sufficient. Therefore, using the nuts 14, the stroke of the rod 11 is adjusted so that after cutting the workpiece of the brush the movement in the direction of the wedge 8 stops.

After placing the cut piece at the next machining position, it is removed from the clamping jaws, which under the action of the spring 19 move closer, releasing the wedge 8. Then the lever 7 and the lever 2 under the action of the spring 20 and the camshaft 5, respectively, return to their original position.

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Claims (2)

1, the mechanism for clamping the processed material to the heading-up electrical device, a cutting knot unit containing two clamping jaws, one of which is mounted on one shoulder of a double-arm lever, equipped with a rotational drive in a plane perpendicular to the direction of material feed, through interacting with the other arm of the lever is a wedge, and a cutting unit mounted on the movable part, carrying another sponge, on which one of the knives of the cutting unit is located, so that, with the possibility of installing the mechanism on the machine oh with a swinging cutting unit, it is equipped with a knife position adjustment unit on the movable part of the cutting unit and a lever fixed at one end on the swing axis of the cutting unit and pivotally connected to the other end with a wedge „ 2.Mechanism according to claims, 1, and l and h with the fact that the knot position adjustment unit on the movable part of the cut knot is made in the form of three movable rods, interacting: between themselves beveled at an angle to the direction of the infrared movement the ends. e 7ff Fg / city / 77 g / g.2