SU25837A1 - Fitting to a punching machine for working without marking - Google Patents

Description

When punching holes without markings, it is proposed to fix the position of the product when working with a template with cutouts attached to the product, into which, when lifting the ram, a guide pin connected to the press slider enters.

In the drawings of FIG. 1 depicts a working part of a press with a device and with partial vertical cuts of individual parts; FIG. 2 is a perspective view of a template attached to a product.

A frame 1 is fastened with a slider of a punching press. One shoulder of a two-armed lever 2-2 (FIG. 1), having an axis of rotation 6 in the bracket 5, reinforced in the press frame, passes through it. Secondly, the lower arm of the lever 2 has a slot along which the bolt T can be moved, fastening the lever 3 with the lever 2. The lever 3 has a guide pin 4 at the right end (Fig. 1). Template a (Fig. 2) is bonded to the product and has, on one edge, a row

the cuts into which the finger 4 enters when raising the punch; Screw 8 serves to adjust the position of the lever 3.

During the work of a finger 4 in. A moment of rise; Punson is positioned along the axis of the Punson above. the die hole, and the product with the template is installed on the press so that the finger reaches the end of the slot. When lowering the punch, the lever 3 with the finger is pushed aside by the machine.

The subject matter of the invention.

Device for punching machine for work without marking, characterized by the use associated with. the help of a system of levers with a slider of the guide-finger machine 4, inserted when the slider is raised into the corresponding cutout of the template a. for the purpose of fixing its position, and with it the product in relation to the matrix, and the slider being withdrawn when lowering, for the purpose of free-passing a punch for piercing a hole.