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Equipment of induction type heating mould

An induction and mold technology, applied in the field of heating devices, can solve the problems of prolonged production cycle, many bonding lines on the product surface, and increased heating time of large molds.

Inactive Publication Date: 2008-07-30
MITAC PRECISION TECH CO LTD SHUNDE DISTRICT FOSHAN CITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitations of the mold structure itself and steam pressure, the existing steam high-temperature forming technology relatively increases the heating time for large molds, resulting in a greatly extended production cycle, and more surface bonding lines on the formed product

Method used

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  • Equipment of induction type heating mould

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Embodiment Construction

[0008] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0009] Please refer to figure 1 As shown, the present invention is an induction heating mold device, which is mainly applied to an injection molding machine. The heating device uses an induction heating unit 20 to heat a mold 30 .

[0010] The heating device mainly includes a control unit 10, an induction heating unit 20, a cooling unit 40, an openable and closable mold 30 and a temperature sensing unit arranged on the mold 30 (taking an inductor 50 as an example) .

[0011] Wherein, the sensor 50 is arranged on the mold 30 to detect the temperature of the mold 30, and sends a signal to the control unit 10, and the control unit 10 controls the induction heating unit 20 to the mold 30 after receiving the signal. After heating, the control unit 10 controls the cooling unit 40 to cool down the temperature of the mold 30 after the mold 30 is heated to a certai...

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PUM

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Abstract

The invention discloses a device of an induction-type heating die, which is essentially applied to a forming machine. The device essentially comprises a die and a heating unit; wherein, the die is positioned on the forming machine and used for injecting and forming; the heating unit can extends into a die cavity of the die to rapidly heat the die cavity and the heating unit uses a heating coil for conducting variable frequency current to generate magnetic lines and the lines are concentrated on the die; due to electromagnetic induction effect, eddy current is generated and the die is heated rapidly owing to metal impedance of the die; after the die is heated to a certain heating degree, injection and forming are carried out. The induction-type heating device rapidly increases and decreases the temperature of the die and effectively reduces combining lines on product surface.

Description

technical field [0001] The invention relates to a heating device, in particular to a heating device applied in a molding machine. Background technique [0002] In the mold of traditional injection molding products, steam high temperature molding technology is generally used for injection molding. However, due to the limitations of the mold structure itself and steam pressure, the existing steam high-temperature forming technology relatively increases the heating time for large molds, resulting in a greatly extended production cycle, and more surface bonding lines on the formed product. Contents of the invention [0003] In view of the above problems, the present invention provides a device for inductively heating molds by using induction heating technology with a water temperature switching device, so as to rapidly increase or decrease mold temperature and reduce product surface bonding lines. [0004] In order to achieve the above object, the present invention adopts the...

Claims

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Application Information

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IPC IPC(8): B29C45/73B29C45/78B29C33/08
Inventor 郭俊映
Owner MITAC PRECISION TECH CO LTD SHUNDE DISTRICT FOSHAN CITY
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