Proportional Insert Pressure Relief System of Forging Hydraulic Press and Its Pressure Relief Method

A proportional plug-in, hydraulic press technology, applied in the field of presses, can solve the problems of pressure relief shock, difficult adjustment of the relief valve of the hydraulic circuit, long pressure relief time, etc., to reduce the shock and ensure the efficiency.

Active Publication Date: 2018-07-31
TIANJIN TIANDUAN PRESS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Large hydraulic machines generally use an independent pressure relief valve block. The traditional pressure relief valve block is composed of a complex hydraulic circuit with a solenoid valve. The relief valve of this design hydraulic circuit is difficult to adjust and is not easy to adjust and modify. Therefore, a It is particularly important to overcome the phenomenon that the pressure relief time is long or the pressure relief has an impact by controlling the pressure relief method of the proportional plug-in with an analog electrical signal.

Method used

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  • Proportional Insert Pressure Relief System of Forging Hydraulic Press and Its Pressure Relief Method
  • Proportional Insert Pressure Relief System of Forging Hydraulic Press and Its Pressure Relief Method

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Embodiment Construction

[0018] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples, and detailed descriptions are as follows with accompanying drawings:

[0019] See figure 1 , A proportional cartridge pressure relief system for forging hydraulic presses, including:

[0020] Pressure sensor, used to collect oil pressure data in the main cylinder of the slider of the forging hydraulic press;

[0021] The proportional plug-in unit, as an actuator, the proportional plug-in unit is used to receive the instruction information of the programmable logic controller (that is, the opening degree of the proportional plug-in unit), and perform the opening of the proportional plug-in unit according to the instruction information Adjustment;

[0022] Programmable controller, the programmable controller obtains the instruction information of each sub-pressure relief process according to the following relational expression, and sends the ...

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Abstract

The invention discloses a pressure relief system and a pressure relief method for a proportional plug-in part of a forging hydraulic press, and relates to the technical field of presses, including: a pressure sensor for collecting oil pressure data in a main cylinder of a slide block of a forging hydraulic machine; a proportional plug-in The assembly is used to receive instruction information from the programmable logic controller, and adjust the opening of the spool according to the instruction information; the programmable controller is used to receive the oil pressure data, and send instructions to the proportional insert Information; wherein: the analog output port of the programmable controller is electrically connected to the proportional cartridge valve, and the analog input port of the programmable controller is electrically connected to the pressure sensor. By adopting the above technical scheme, the present invention has the characteristics of fast pressure relief and good stability.

Description

Technical field [0001] The invention relates to the technical field of presses, in particular to a pressure relief system for a proportional plug-in part of a forging hydraulic press and a pressure relief method thereof. Background technique [0002] With the increasing application range of forging hydraulic presses, the production of large-tonnage hydraulic presses has a wide range of applications and market prospects, and its process operations are becoming more and more complex. Therefore, the rapid and smoothness of the pressure-relieving process of the large-tonnage hydraulic presses on the slider is also Put forward higher requirements. Large hydraulic presses generally use an independent pressure relief valve block. The traditional pressure relief valve block consists of a complex hydraulic circuit with solenoid valves. The relief valve of this design hydraulic circuit is difficult to adjust and is not easy to adjust and modify, so use a A pressure relief method that reli...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21J9/20
Inventor 计鑫
Owner TIANJIN TIANDUAN PRESS CO LTD
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