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Novel hydraulic control system of die casting machine

A hydraulic control system and die-casting machine technology, applied in the field of hydraulic systems, can solve the problems of overflow loss, waste of heat, poor response sensitivity, loud noise, etc., and achieve the effects of increasing efficiency, saving energy, and reducing noise

Inactive Publication Date: 2014-07-02
YIXING JIACHEN DIE CASTING MACHINE MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additional 20% energy wasted by overflow losses and heat generation
Moreover, this system has disadvantages such as high energy consumption, high noise, high oil temperature, and poor response sensitivity.

Method used

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  • Novel hydraulic control system of die casting machine

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0013] like figure 1 As shown, a new type of die casting machine hydraulic control system according to the present invention includes a mold adjusting motor 1 and a mold clamping cylinder 2, the mold adjusting motor 1 is connected to a mold adjusting valve 3, and the mold clamping cylinder 2 is connected to a mold clamping The valve 4 is connected, the mold adjusting valve 3 and the mold clamping valve 4 are connected through the main line 5, and branch lines are provided on the main line 5, which are respectively the first branch line 6, the second branch line 7 and the third branch line Line 8, a first solenoid valve 9 and an energy storage device 10 are provided on the first branch line 6; a relief valve 11 and a proportional valve are respectively provided between the second branch line 7 and the third branch line 8 An overflow valve 12 ; a second ...

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Abstract

The invention relates to a novel hydraulic control system of a die casting machine. The system comprises a die adjustment motor and a shutoff oil cylinder. The die adjustment motor is connected with a die adjustment valve, the shutoff oil cylinder is connected with a shutoff valve, the die adjustment valve and the shutoff valve are connected through a main circuit, branch circuits, namely a first branch circuit, a second branch circuit and a third branch circuit, are arranged on the main circuit, and a first electromagnetic valve and an energy storing device are arranged on the first branch circuit. Energy is saved, a hydraulic pipeline can be protected, pressure and flow precision can be improved, speed is increased, efficiency is improved, and noise is reduced.

Description

technical field [0001] The invention relates to a hydraulic system, in particular to a hydraulic system of a die-casting machine. Background technique [0002] The hydraulic system of traditional die-casting machines is a combination of motor and oil pump composed of ordinary motors and quantitative pumps. In the hydraulic system of quantitative pumps, the oil pump motor provides constant flow at a constant speed. In recent years, only pressure proportional valves have been added to the oil circuit. And flow proportional valve, and the pressure and flow required for work are adjusted by the pressure proportional valve and flow proportional valve, and the pressure or flow is controlled by adjusting the opening of the pressure or flow proportional valve. The excess hydraulic oil returns through the relief valve. This process is called high-pressure interception, and the energy loss caused by it is generally about 50%. Another 20% is wasted energy by overflow losses and heat g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D17/32
Inventor 凌立亮
Owner YIXING JIACHEN DIE CASTING MACHINE MFG
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