Oil-electric hybrid cold-chamber die casting machine injection system
A cold-chamber die-casting and oil-electric technology, applied in the field of cold-chamber die-casting machines, can solve the problems of large hydraulic drive source and energy consumption, the accuracy and precision of difficult to control speed, etc., so as to achieve short response time and shorten production cycle. , Injection control precise effect
Active Publication Date: 2012-05-30
重庆力劲机械有限公司
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Problems solved by technology
[0009] The technical problem to be solved by the present invention is to provide a solution for the above-mentioned traditional hydraulic die-casting machine in the prior art which requires relatively large hydraulic drive source and energy consumption and is difficult to control the accuracy and precision of the speed during the injection process. An Injection System of a Hybrid Cold Chamber Die-casting Machine
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[0025] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0026] figure 1 It is a schematic diagram of the principle structure of the first embodiment of the injection system of the hybrid electric cold chamber die-casting machine of the present invention. figure 1 The injection system of the cold chamber die casting machine shown includes a servo motor control device and a hydraulic booster device. The injection system of the present invention adopts a hybrid structure of oil and electricity, and its injection action is divided into slow speed (multi-stage), uniform acceleration, high-speed (multi-stage), deceleration (brake), ...
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The invention relates to an oil-electric hybrid cold-chamber die casting machine injection system, which comprises a feeding tube, an injection rod, a servomotor controller and a hydraulic pressurizer, a servomotor drives the injection rod in order to control the injection speed in the process of injection, and the hydraulic pressurizer cooperates with the servomotor controller to drive the injection rod in order to control rapid pressurization in the process of injection. The injection speed is controlled by the servomotor, the servomotor controls multi-stage slow speed, uniform acceleration, multi-stage high speed, speed reduction and braking in the process of injection, and can realize the multi-stage stepless regulation of the injection speed, consequently, flash can be avoided in thedie casting, and high-quality net-shaped products can be shaped. Meanwhile, a hydraulic system is utilized to carry out pressurization, pressurization is independently controlled, which can help to shorten the pressurization time, consequently, a large motor does not need to be adopted in order to achieve high increased pressure, and thereby the cost is reduced.
Description
technical field [0001] The invention relates to a cold-chamber die-casting machine, and more specifically, relates to a novel injection system for a cold-chamber die-casting machine mixed with oil and electricity. Background technique [0002] At present, the injection systems of traditional cold chamber die-casting machines at home and abroad generally use hydraulic pressure as power to realize pressure casting of metals (aluminum alloys, magnesium alloys, copper alloys, etc.), and the specific actions are as follows: [0003] The alloy liquid is fed from the holding furnace by the soup feeding machine (feeding device) to the feeding barrel of the die-casting machine, and then the hydraulic system drives the injection rod forward, and the alloy liquid is pushed forward for slow speed, high speed, pressurization, injection Die-casting process for rod heel out and hammer back. [0004] In the process of slow speed and high speed, it is required to control the speed smoothly ...
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IPC IPC(8): B22D17/08B22D17/20
Inventor 刘相尚程德飞
Owner 重庆力劲机械有限公司