Superspeed injection forming machine
An injection molding machine and ultra-high-speed technology, applied in the field of polymer material molding machinery, can solve problems such as difficult operation, high cost, and high technical difficulty, and achieve the effects of simplifying the structure, eliminating noise, and reducing costs.
Active Publication Date: 2013-07-24
BEIJING UNIV OF CHEM TECH
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Problems solved by technology
It should be pointed out that X-MELT technology needs to be adjusted according to the pressure-volume-temperature relationship for specific materials to determine the optimal screw pre-compression position, which is difficult to operate
Moreover, the nozzle of the melt expansion injection machine must be equipped with a high-pressure resistant needle valve, which is technically difficult and expensive
Method used
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[0021] Such as figure 1 As shown, the present invention is an ultra-high-speed injection molding machine, which is mainly composed of a mold clamping device 1, an injection device 2 and a frame 3, and the mold clamping device 1 and the injection device 2 are located on the frame 3.
[0022] Such as figure 2 and image 3 As shown, the injection device 2 consists of a nozzle 4, a barrel 5, a heating ring 6, a screw 7, a hopper 9, a hopper seat 8, a hopper seat moving device 22, an injection cylinder 13, a coupling 16, a hydraulic motor 14 and an injection platform. 21 composition; nozzle 4, machine barrel 5, hopper seat 8, injection cylinder 13 and hydraulic motor 14 are sequentially aligned and connected on the axis, the injection platform 21 is fixed on the frame 3, the hopper seat 8 is set on the injection platform 21, and the hopper seat moving device 22, one end is connected with the frame 3 or the injection platform 21, and one end is connected with the hopper base 8, t...
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Abstract
The invention provides an injection forming machine suitable for superspeed injection forming. The superspeed injection forming machine comprises a mold closing device, an injection device and a rack, and the mold closing device and the injection device are arranged on the rack; the injection device comprises a spray nozzle, a machine barrel, a heating ring, a screw rod, a charging hopper, a hopper seat, a hopper seat moving device, an injection oil cylinder, a coupling, a hydraulic motor and an injection table; the spray nozzle, the machine barrel, the hopper seat, the injection oil cylinder, the injection oil cylinder and the hydraulic motor are sequentially connected in an axis alignment way; the injection oil cylinder comprises a cylinder barrel, an injection piston, an injection piston rod, a pressure sensor, a thrust bearing and a speeder spring, the thrust bearing is arranged on an end face of the injection piston, which is not provided with any piston rod, the speeder spring is located in an oil cavity of the injection oil cylinder close to the hydraulic motor, one end of the speeder spring is fixed to the end face of the injection oil cylinder, and the end of the speeder spring, close to the piston, is a free end or is connected with the thrust bearing. The invention provides the superspeed injection forming machine with the advantages of simple structure, convenienceof operation, stable operating and high cost performance.
Description
technical field [0001] The invention relates to an injection molding machine, which belongs to the field of polymer material molding machinery. Background technique [0002] Injection molding is an excellent processing method for low-cost, high-volume production of polymer material products. At the same time, it is also an indispensable processing technology for the development of high-tech products. Entering the 21st century, with the rapid development of the IT industry, urgent requirements for "ultra-light, ultra-thin, and ultra-precise" have been put forward for the processed and molded products of polymer materials. In order to meet the needs of this application, the measures taken by the powerful countries in the polymer material molding and processing industry represented by Japan and Germany are to develop ultra-high-speed injection molding. The wall thickness of ultra-high-speed injection molding products can reach less than 0.3mm and the performance is improved, s...
Claims
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IPC IPC(8): B29C45/03B29C45/54B29C45/77
Inventor 杨卫民焦志伟谢鹏程丁玉梅安瑛
Owner BEIJING UNIV OF CHEM TECH