SU1278056A1 - Die for flatness calibration - Google Patents

Abstract

The invention relates to the processing of metals by pressure, in particular, devices for straightening and calibrating stamped products. The device has increased productivity and improved service conditions due to the fact that during lifting the calibrating head acts on the lever by means of a plate. The lever, when rotated by the ejector, gives the calibrated part. 6 yl

Description

one

The image refers to the processing of metals by pressure, in particular to devices for straightening and calibrating stamped parts.

The purpose of the invention is to increase the productivity of the stamp and to improve the service conditions.

FIG. 1 shows the stamp in the initial position; in fig. 2 - the same, at the time of parts being burned; in fig. 3 - The same at the time of calibration; in FIG. 4, the same at the moment of returning to the initial position; in fig. 5 the same, at the time of idling; in fig. 6 - spring gripping ,, section A-A in FIG. one.

The stamp contains the upper plate 1, the lower plate 2 box-shaped, gauge strikers 3 and 4. The upper gauge head 3 is installed with the possibility of reciprocating axial movement in the upper base of the bottom box-shaped plate 2. The amount of movement is limited by nuts 5 and 6 and protrusions (3 . The lower calibration head 4 is installed in the lower base of the plate 2 freely, which contains a lever 7 with an ejector 8 machined parts and an adjustable stop 9. The upper base of the plate 2 is made in the form of a plate 10 that has Possibility of reciprocating horizontal movement by means of a lever 7, a spring 11 and a wedge 12 mounted on the top plate 1 and having the ability to adjust its position in a vertical plane. Upper: part of the lever 7 is in the hole of the plates 10 and the ejector 8 is in the working area of the stamp. while the ejector interacts with the part (FIG. 2), a spring gripper is mounted on the upper plate 1 (FIG. 6) consisting of springs 13 located in a horizontal plane and located in sleeves 14. Changing the rigidity of the grip is carried out by moving the sleeves 14 relative to the holders 15 installed in the top plate 1. Screws 16 prevent the springs from falling out. Position 17 marked the workpiece.

The stamp works as follows.

At the initial moment (Fig. 1), the press slide and the top plate 1 are in the upper position, the upper head 3 is hanging at the expense of

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the protrusion Q on the plate 10, which by means of springs, 1 1 is pressed with its protrusion to the slot of the upper base of the bottom plate 2 of box-shaped form. The pusher 8 is in the working area of the stamp.

Item 17 is put a calibrated surface on the bottom of the calibration head 4 and move away from yourself (Fig. 2).

At the same time, the part acts on the ejector 8, which moves until it comes into contact with the stop 9. The lever 7, when rotated, moves the plate 10, which extends beyond

the protrusion a of the upper gauge striker 3, and the striker, dropping down under its own weight, presses the part to the lower striker 4 on the surface being calibrated. As a result, the part occupies a stable position in the stamp. The spring 11 presses the plate 10 to the protrusion a.

During the progress of the press ram with the upper die plate attached to it

Down (Fig. 3), the springs 13, moving apart from the protrusion S of the calibration head 3, clasp it, and the top plate acts on the calibration head 3, its downwards by the amount required for calibration.

Wedge 12 is the lowest position.

When the press ram with the upper plate 1 moves up (Fig. 4), the upper calibration head 3 is moved by the spring grip by the full stroke, i.e. until nuts 5 and 6 touch. At the very beginning of the stroke, the protrusion of f. top firing beyond

the limits of the plate 10 and the spring .11 presses the plate face to the contacting surface of the wedge 12. The nuts 5 and 6 touch when the contacting surface of the wedge 12 goes beyond the end face of the plate 10, and the plate, moving under the action of the spring 11, takes its original position. Upon further movement of the slider, the spring gripper releases the protrusion on the gauge driver 3 and it lowers itself to the contact of the protrusion (with the 10 ° plate. Lever 7 with the ejector 8 also returns to its original position. In the case where the part is not stamped ( Fig. 5), during the progress of the press slide from the top

plate 1 down to avoid breakage shear plate 10 produces a wedge 12 Upper gauge head 3 is lowered until the protrusion a with the nut 6. The spring grip works as described, but the top plate, 1 does not come in contact with the gauge head 3. With the slide up the work similar to that described.

Claims (1)

Claims for planar calibration, comprising an upper PLI.TU, a lower box-shaped slab with upper and lower bases, a movable gauge head with a mounting plate and a fixed gauge head, and It also has a lever for lifting the movable striker, characterized in that, in order to increase productivity and improve service conditions, it is equipped with an ejector of machined parts hinged to the movable striker lifting lever, the upper base of the lower plate is made in the form of a spring-loaded plate installed with the possibility of horizontal reciprocating movement and interaction with the lever of the lifting mechanism of the mobile striker, the upper plate is equipped with a spring gripper movable pin, and a wedge mounted to cooperate with said plate. yy r ipuet Cpuf-4