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Two-way cartridge valve type rapid press hydraulic circuit

A technology of hydraulic circuit and cartridge valve, applied in the direction of fluid pressure actuating device, fluid pressure actuating system components, mechanical equipment, etc. The effect of strong anti-pollution ability, high reliability and simple circuit structure

Pending Publication Date: 2021-12-07
SHANDONG TAIFENG INTELLIGENT CONTROL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Common problems such as large leakage, small oil flow, large liquid resistance, and poor anti-pollution ability cannot be changed.

Method used

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  • Two-way cartridge valve type rapid press hydraulic circuit

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Embodiment Construction

[0013] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0014] The purpose of the present invention is to provide a two-way cartridge valve type fast press hydraulic circuit to solve the problems in the prior art above, so that the circuit structure is simple, the action is clear, the principle is clear, the reliability is high, the application range is wide, and the effect obvious.

[0015] In order to make the above objects, features and advantages of the present invention more comprehensible, the present inventi...

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Abstract

The invention discloses a two-way cartridge valve type rapid press hydraulic circuit which comprises an energy accumulator oil way and an oil cylinder upper cavity inlet and return oil way, and the energy accumulator oil way comprises an energy accumulator oil inlet two-position four-way electromagnetic reversing valve, a pressure maintaining unit valve, a safety overflow valve, an energy accumulator and an oil cylinder lower cavity which sequentially communicate with an oil inlet oil way in series; the oil cylinder upper cavity oil inlet and return oil way comprises a system pressure control two-way cartridge valve and an oil cylinder upper cavity oil inlet two-way cartridge valve which communicate with the oil inlet oil way in series, the oil cylinder upper cavity oil inlet two-way cartridge valve respectively communicates with the oil cylinder upper cavity and the oil cylinder upper cavity pressure control two-way cartridge valve, and the system pressure control two-way cartridge valve and the oil cylinder upper cavity pressure control two-way cartridge valve respectively communicate with an oil return way. The circuit is simple in structure, clear in action, clear in principle, high in reliability, wide in application range and obvious in effect.

Description

technical field [0001] The invention relates to the technical field of hydraulic control systems, in particular to a hydraulic circuit of a two-way cartridge valve type rapid press. Background technique [0002] As the competition in the market becomes more and more fierce, the manufacturers of press equipment have higher and higher requirements for increasing speed and reducing energy consumption. In order to increase the speed of the conventional hydraulic circuit, it is basically realized by increasing the oil pump. Enlarging the oil pump requires increasing the power of the motor. Not only increased energy consumption but also increased equipment costs. In particular, it brings a lot of inconvenience to the transformation of a large number of existing old presses, and even because of the limitation of power grid power, it is impossible to transform and increase the speed. And most of the conventional hydraulic circuits are plate hydraulic circuits. Due to its structu...

Claims

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Application Information

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IPC IPC(8): F15B13/02F15B1/02F15B21/00
CPCF15B13/027F15B13/02F15B1/02F15B21/00
Inventor 王振华汤玉彦苏秀莲李强王冬灵杨存强
Owner SHANDONG TAIFENG INTELLIGENT CONTROL CO LTD
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