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A high-response injection molding machine servo pump cylinder injection system

A technology of injection system and servo pump, which is applied in the system field of high-response injection molding machine servo pump-driven hydraulic cylinder, which can solve the problems of slow response speed, long pipeline, and pressure loss along the process, so as to improve the response speed and reduce the pressure along the process Loss, the effect of ease of operation

Active Publication Date: 2021-06-29
TEDERIC MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of the existing hydraulic injection molding machine injection system in actual industrial production, the response speed is slow, the pipeline is long, and there is pressure loss along the way.

Method used

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  • A high-response injection molding machine servo pump cylinder injection system

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Embodiment Construction

[0014] The implementation of a high-response injection molding machine servo pump cylinder injection system provided by the present invention will be further described below with reference to the accompanying drawings, which is mainly composed of an oil tank 17, a motor oil pump assembly, a control valve plate 8, and an oil cylinder 1. Among them, the motor oil pump assembly is composed of servo motor 11, coupling 12, servo pump 14 and filter 16; the control valve plate 8 is composed of check valve 3, three-position four-way electromagnetic reversing valve 4, two-position four-way electromagnetic reversing Valve 5, proportional valve 6, pressure gauge 7, overflow valve 9, two-way quantitative servo pump 13 and other components. The servo motor 11 is connected with the servo pump 14 through the coupling 12, and the high-pressure hydraulic oil enters the oil inlet port of the servo pump 14 from the oil tank 17 through the filter 16; the oil outlet port of the servo pump 14 is con...

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Abstract

The invention provides a high-response injection molding machine servo pump cylinder injection system, which includes an oil tank, a motor oil pump assembly, a control valve plate, an injection oil cylinder, and the like. The motor oil pump assembly is composed of servo motor, coupling, servo pump, filter and cooler; It is composed of valve, pressure gauge, proportional valve and bidirectional quantitative servo pump. The servo motor is connected to the servo pump through a coupling, and the high-pressure hydraulic oil enters the oil inlet of the servo pump from the oil tank through the filter; the oil outlet of the servo pump is connected to the P2 port of the control valve plate, and the T port of the control valve plate is cooled. The S port of the control valve plate is connected to the fuel tank through a filter; the P1 port of the control valve plate is installed with a pressure gauge; the B2 port of the control valve plate is connected to the left cavity of the injection cylinder, and the A1 port of the control valve plate is connected to the injection The right chamber of the oil cylinder is connected; the oil inlet and outlet of the oil motor are respectively connected to the B1 and T1 ports of the control valve plate.

Description

technical field [0001] The invention belongs to the technical field of injection molding, and in particular relates to a system for driving a hydraulic cylinder by a servo pump of a high-response injection molding machine. Background technique [0002] At present, injection molding machines can be divided into hydraulic injection molding machines and all-electric injection molding machines from the power system, and hydraulic injection molding machines are most widely used with servo pump technology. The principle is that the servo motor drives the oil pump to output according to the instructions of the controller and the load condition. Pressure oil, and the pressure oil is directly transported to the hydraulic cylinder or control element and then to the hydraulic cylinder through a long hydraulic pipeline to realize various actions of the injection molding machine, because it has to go through a long hydraulic pipeline, which will cause pressure along the process Loss and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/82
CPCB29C45/82
Inventor 李斌斌张涛涛魏建鸿储能奎姚礼贤陆晨风周宏伟孙君饶忠金亮
Owner TEDERIC MACHINERY
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