CS233324B1 - hydraulic press control system - Google Patents

Abstract

The aim of the invention is to expand the technological possibilities and increase the productivity of the press. The control system includes a connection with the pressure and discharge main via hydraulic distributors connected to the piston rods and located on one of the fixed traverses, and the hydraulic cylinder of the plate drive. What is new in the control system is that the hydraulic distributors are made as two blocks, one of which is connected to the piston cavities of the hydraulic cylinders of the links and the other with the piston rod of the piston cavity of the cylinders of one of the links and the piston rods of the piston cavity of the hydraulic cylinders of the second link are connected to the pressure main, while the control system is equipped with a program control block connected to each of the hydraulic distributor blocks. In addition, on the section of the discharge main connected to the piston-piston cavity of one of the hydraulic cylinders of the links is located. controllable safety and discharge valve connected to the program control block. Further in the pistons of piston hydraulic cylinders, controllable valves are located, connected to corresponding hydraulic distributors.

Description

JEVGENIJ IVANOVICE PRESS,

MAKAZAN JURIJ SÁMSONOVlC,

UZOROVSKIJ JEPIM LEONIDOVlC, ZÁPOROŽI (SU) hydraulic press control system

The object of the invention is to extend the technological possibilities and increase the productivity of the press. The control system includes a connection to the pressure and discharge trough via hydraulic manifolds, connected to the piston rods and located on one of the stationary travers, and the hydraulic cylinders of the plate drive.

New in the control system is that the hydraulic manifolds are designed as two blocks, one of which is connected to the piston cavities of the hydraulic cylinders of the thrust and the other to the piston rod of the cylinder of one of the thrusts and the piston rod of the hydraulic piston of the other. , wherein the control system is equipped with a program control block connected to each of the hydraulic manifold blocks.

In addition, a controllable relief and discharge valve connected to the program control block is located on the discharge trough section connected to the piston rod by the piston cavity of one of the hydraulic cylinders of the backdrops.

Further operable valves connected to corresponding hydraulic manifolds are located in the piston cylinders of the piston hydraulic cylinders.

255,324 (51) InL Cl?

B 30 B 15/20

ETΠΗΟΑΗΗΕ Η30ΕΡΕΓΕΗΗΗ Κ AETOPCKOW CBKMTEJEbCTBy

3aflBneHo: 22.05.79

3aHEKa & 2761206 / 25-27

MKH ² : B30B 15/20

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Object of the invention

Claims (3)

A hydraulic press control system, comprising hydraulic manifolds coupled to a pressure rail and a discharge rail, and mounted on one of the stationary traverses of a hydraulic cylinder, connected by piston rods and a hydraulic drive of a plate drive, disposed on the other stationary traverse. expanding the technological possibilities and increasing the productivity of the press, the hydraulic manifolds are designed as two blocks, one of which is connected to the piston cavities of the hydraulic cylinders of the thrusts and the other to the piston rod of the cylinder the control system is equipped with a program control block connected to each hydraulic manifold block. Control system according to claim 1, characterized in that a controllable relief and discharge valve connected to the program control block is arranged in the section of the discharge trough connected to the piston rod by the piston cavity of one of the hydraulic cylinders of the gate. Control system according to claim 1, characterized in that in the piston rods of the piston cavities of the hydraulic cylinders there are non-return valves which are connected to the corresponding hydraulic manifolds. Recognized by the invention based on the results of expertise carried out by the State Committee for Inventions and Discoveries of the USSR, Moscow SU 1 drawing