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Hydraulic control system capable of achieving pre-pressing and main-pressing of clamp

A hydraulic control system and control system technology, applied in the direction of fluid pressure actuation system components, clamping, manufacturing tools, etc., can solve the problem of not being able to arrange two sets of pre-pressing and main-pressing mechanisms at the same time, so as to improve rigidity and improve Machining accuracy, the effect of simplifying the mechanical structure

Active Publication Date: 2019-04-30
WUXI BEST PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the space of the machine tool is limited, it is impossible to arrange the two sets of preloading and main pressing mechanisms at the same time

Method used

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  • Hydraulic control system capable of achieving pre-pressing and main-pressing of clamp

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Experimental program
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Embodiment Construction

[0018] The specific embodiments of the present invention will be further described below in conjunction with the drawings.

[0019] figure 1 In the middle, it includes the left quick plug connector 1, the hydraulic control check valve 2, the pressure gauge 3, the accumulator 4, the low pressure reducing valve 5, the pressure measuring connector 6, the left one-way throttle valve 7, the left compression cylinder 8, Left one-way throttle valve 9, right one-way throttle valve 10, right compression cylinder 11, right one-way throttle valve 12, one-way valve 13, high pressure reducing valve 14, main pressure sequence valve 15, floating cylinder 16. The sequence valve 19, the right quick plug connector 20 and other components are composed.

[0020] Such as figure 1 As shown, the present invention is a hydraulic control system that can realize the pre-pressure and main pressure of the fixture. It includes a left quick-in connector 1, which is connected to the input end of a hydraulicall...

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Abstract

The invention relates to a hydraulic control system capable of achieving pre-pressing and main-pressing of a clamp. The hydraulic control system is characterized in that the control system comprises aleft fast plug connector, the left fast plug connector is connected with the input end of a hydraulic control one-way valve, the output end of the hydraulic control one-way valve is connected with the input end of a low-pressure reducing valve and the input end of a sequence valve, the output end of the low-pressure reducing valve is respectively connected with the output end of the one-way valveand one end of a pressing oil way, a pressure measuring joint is arranged on an oil pipe connecting the low-pressure reducing valve and the pressing oil way, the output end of the sequence valve is connected with the input end of a main pressing sequence valve and the input end of an auxiliary supporting device, and the output end of the main pressing sequence valve is connected with the input end of a high-pressure reducing valve. By means of the pressure regulating property of the pressure reducing valves, the time delay property of the sequence valve and the one-way passing property of theone-way valve, the one-way valve is automatically closed and opened by utilizing different pressure differences of different time at the two sides of the one-way valve, and control over sequential low-pressure pre-pressing and high-pressure main pressing of a pressing oil cylinder is achieved.

Description

Technical field [0001] The invention relates to a hydraulic clamp first low pressure and then high pressure control system, in particular to a pressure maintaining type hydraulic clamp first low pressure and then high pressure control system. Background technique [0002] With the continuous development of the automotive industry and the intensification of competition in the automotive industry, the requirements for the accuracy of auto parts are getting higher and higher. There are also more requirements for processing fixtures and machine tools. However, some parts that are not very good in processing technology and require high machining accuracy require higher requirements for fixtures during processing. When the positioning point and the pressing point on the workpiece deviate too much, the workpiece will be deformed greatly when the fixture compresses the workpiece. The conventional form requires the fixture to provide two sets of pre-pressure and main pressure mechanisms...

Claims

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Application Information

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IPC IPC(8): F15B1/027F15B11/20F15B13/07F15B21/00F15B21/041B23Q3/08
CPCB23Q3/082F15B1/021F15B1/024F15B1/0275F15B11/205F15B13/07F15B21/001F15B21/041
Inventor 卢红印
Owner WUXI BEST PRECISION MACHINERY
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