CS217433B1 - The punch in the mechanical press body - Google Patents

Abstract

An ejector in the body of mechanical presses designed for ejecting products, especially profile products made of steel sheet, from the dies after forming. In this ejector, the moment of ejecting the products during the forward movement of the press body must be regulated according to the position of the press body, while the adjustment of the stop spindle when changing the position of the press body or when changing the dies and thus the depth of extraction must be carried out from the control panel. Costly individual suspension of the ejector crossbars and adjustment of individual stops for each crossbar is eliminated. The crossbars of the ejector in the press body are connected to one crossbar on each side and interact with regulated support spindles via a hinged fork and by means of pressure rollers and templates, rotating pressure arms and pressure rollers. When the press body moves forward, this action causes the product to be ejected. When the press body moves forward further by means of templates placed on the press body, the pressure arms are brought out of the area of action of the stop spindles. After punching, the tool is brought to the starting position using fixators.

Description

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HA3BAHHE H30EEETEOT

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Ha HpiuiaraeKffitx nepTeatax noKa3ano:

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AHHOTAW - 217,433

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Claims (3)

OBJECT OF THE INVENTION 217 433 CLAIMS: 1. A punch in a mechanical press body designed to receive products, in particular steel sheet profile products, the fingers of which are moved by means of a beam cutter controlled at the moment of return of the press body by means of stops located on two sides, characterized in that the crossbars ( 2) the ejectors in the press body (1) are connected to each other with a cross member (3), with two presser arms (7) being assigned to each cross member (3) with one end pivoted to the cross member (3) by means of articulated forks (5) at the other end of which is a pressure roller (8) cooperating with the control spindle (16) and a pivot roller (9) co-operating with the template (11) located on the press body (1). 2. A punch in the body of the mechanical presses according to claim 1, characterized in that at least one puller spring fixture (26) is provided at the uppermost position on the outer ends of the crossbeams (3) to fix the pusher crossbeam (2). 3. The ejector in the body of the mechanical presses according to claim 1, characterized in that the control spindle (16) is connected to the drive mechanism located on the frame (21) via a motion screw (19) and a safety friction clutch (23). Recognized by the invention on the basis of the results of expertise carried out by the Office of Invention and Patenting, Berlin, DD 6 drawings