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Jet forming system and method

An injection molding and molding surface technology, which is applied in the field of injection molding systems with rapid heating and cooling, can solve the problems of prolonged molding cycle, unfavorable rapid heating, affecting the heating effect of molds, etc., to improve production efficiency, facilitate temperature control, shorten The effect of the molding cycle

Inactive Publication Date: 2006-11-01
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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Problems solved by technology

However, after the mold is cooled by this method, usually part of the heating / cooling medium will remain in the heating / cooling circuit, and steam will be generated during heating in the next molding cycle, thereby affecting the heating effect of the mold, which is not conducive to rapid heating, resulting in molding cycle extension

Method used

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  • Jet forming system and method
  • Jet forming system and method

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Embodiment Construction

[0036] The technical solution will be further described in detail below in conjunction with the accompanying drawings.

[0037] Please also refer to figure 1 and image 3 The present embodiment provides an injection molding system 10, which includes a molding mold 100 with a heating device 130, a cooling channel 140, and a temperature sensing device 160 inside; one end of the cooling channel 140 is connected to a valve device 200, The other end is connected with a negative pressure device 300 ; and a control device 500 connected with the heating device 130 , the temperature sensing device 160 , the valve device 200 and the negative pressure device 300 . The heating device 130 can use an electric heating device or a high-frequency induction heating device, such as an electric heating rod, an electric heating plate, a high-frequency oscillation sensor, etc., to heat up the forming mold 100 through heating. The cooling channel 140 can be a plurality of parallel through holes or...

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Abstract

An ejection moulding system is composed of a mould with internal heater, cooling channel and temp sensor, a valve connected to one end of said cooling channel, a controller connected to said heater and valve, and a negative pressure unit connected to another end of said cooling channel and said controller. Its ejection moulding method is also disclosed.

Description

【Technical field】 [0001] The invention relates to an injection molding system, in particular to an injection molding system and method capable of rapid heating and cooling. 【Background technique】 [0002] In the injection molding process, especially the injection molding process of thermoplastics, it is usually necessary to heat the mold to a higher temperature when the thermoplastic is injected to improve the fluidity of the thermoplastic, so as to obtain a shaped product with high surface accuracy after cooling. However, the molding cycle of the injection molded product also prolongs as the mold temperature change time increases, resulting in reduced production efficiency. [0003] In order to shorten the molding cycle of injection molding products and improve production efficiency, a mold heating method is provided in the prior art. This method only heats the part near the molding surface of the mold when the thermoplastic is injected, and because the temperature change ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/73B29C45/26B29C45/76B29C45/78
CPCB29C33/02B29C35/16B29C45/73B29C45/78B29C2035/1616
Inventor 许东明王金龙陈建民冯义盛田觉辉曾夏媚
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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