Servo driving type die-cast machine

A servo-driven, die-casting machine technology, applied in the field of die-casting machines, can solve the problems of high energy consumption, poor sensitivity, large waste, etc., and achieve the effects of good energy saving, sensitive response, and simple connection structure

Inactive Publication Date: 2012-07-25
江苏新佳晨精密机械科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of this invention is to design an energy-saving servo-driven die-casting machine that can adjust the output of the oil pump according to the needs in view of the problems of high energy consumption, large waste, and poor sensitivity in the existing hydraulic system composed of an ordinary motor plus a quantitative pump.

Method used

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Embodiment Construction

[0040] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0041] Such as Figure 3-8 shown.

[0042] A servo-driven die-casting machine, its basic mechanical structure is basically the same as the existing die-casting machine, the key of the present invention is its power system, namely the servo drive system, and the parts that are prone to failure during actual production and use, such as the injection rod 203. The structure and driving mode of the ejector push plate 302 and the mold adjustment gear 403 have been improved. The details are as follows:

[0043] A servo-driven die-casting machine, its power part consists of a servo motor 3 and an oil pump 4, such as image 3 As shown, the oil pump 4 can be one of a gear pump, a plunger pump or a screw pump, the output of the oil pump 4 is connected to the input end of the hydraulic actuator, and pressure and flow sensors are installed in the hydraulic ac...

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Abstract

The invention discloses a servo driving type die-cast machine, which is characterized by comprising a servo driving system, an injection pull rod (203), an ejection push plate (302) and a mold-adjusting big gear (403), wherein the servo driving system consists of a servo motor (3) and an oil pump (4); the output of the oil pump (4) is connected with the input end of a hydraulic actuating part; the hydraulic actuating part is internally provided with a pressure and flow sensor; the output of the pressure and flow sensor is connected with an electric control device; and the output of the electric control device is connected with the input end of the servo motor (3). The servo driving type die-cast machine has the advantages that due to adoption of the servo control, the control accuracy of a power system is improved, and the structure is simplified; and due to improvement on a key part, the service life is prolonged, the raw material is reduced, and meanwhile, the structure of the whole machine is simpler.

Description

technical field [0001] The invention relates to a die-casting machine, in particular to a die-casting machine driven by a servo motor to drive a hydraulic system, in particular to a servo-driven die-casting machine. Background technique [0002] At present, the hydraulic system of the die-casting machine is all a motor oil pump combination composed of an ordinary motor 1 and a quantitative pump 2, such as figure 1 shown. In the hydraulic system of the quantitative pump, the oil pump motor provides a constant flow at a constant speed. In order to meet the requirements of different working conditions, a pressure proportional valve and a flow proportional valve must be added to the oil circuit, such as figure 2 As shown, the pressure and flow required for the work are regulated by the pressure proportional valve and the 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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/76B22D17/32
Inventor 李安涛侯思伟
Owner 江苏新佳晨精密机械科技有限公司
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