Electromagnetic induction heating system for injection molding machine
A technology of heating system and electromagnetic induction coil, applied in the direction of induction heating, induction heating control, induction heating device, etc., can solve the problems of shortening oil seal, service life of oil pump, short service life of heating coil, oil leakage and unstable pressure, etc. Achieve the effects of easy control of heating temperature, short preheating time and less environmental pollution
Inactive Publication Date: 2016-03-02
ANHUI QINGLONGQUAN PRINTING TECH CO LTD
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Problems solved by technology
The traditional resistance wire heating method of injection molding machine has low heating efficiency, high heat loss, short service life of heating ring and large maintenance
The wasted electric energy causes the ambient temperature of the workshop to rise, and the oil temperature of the machine rises, which greatly shortens the service life of oil seals and oil pumps, and causes oil leakage and pressure instability.
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[0014] Such as figure 1 As shown, an electromagnetic induction heating system for an injection molding machine includes an electromagnetic heating cylinder and an electromagnetic heating controller 4, wherein the electromagnetic heating cylinder is composed of three layers, including the innermost barrel 1, and the middle layer is used to prevent the innermost layer of the barrel 1 The thermal insulation cotton 2 that dissipates heat and the electromagnetic induction coil 3 wound on the outermost layer, the electromagnetic induction coil 3 is connected with the electromagnetic heating controller 4 and controlled by the electromagnetic heating controller 4 . The electromagnetic induction coil 3 is also covered with a protective cover 5 for protecting the electromagnetic heating cylinder from damage.
[0015] The electromagnetic heating controller 4 includes a protection circuit connected to the power supply. The protection circuit is used to protect the internal circuit of the ...
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The invention discloses an electromagnetic induction heating system for an injection molding machine. The electromagnetic induction heating system comprises an electromagnetic heating barrel and an electromagnetic heating controller; the electromagnetic heating barrel comprises a charging barrel in the innermost layer, thermal-insulation cotton in the middle layer and winding electromagnetic induction coils in the outmost layer; and the electromagnetic heating controller comprises an RC filter, a bridge rectifier, an LC oscillating circuit and an IGBT inverter circuit, and the IGBT inverter circuit is connected with a plurality of electromagnetic induction coils which are in parallel connection. Due to the fact that the electromagnetic heating controller is connected with the electromagnetic induction coils of the electromagnetic heating barrel, quick heating and closed-loop control on heating temperature are achieved. The electromagnetic induction heating system for the injection molding machine has the advantages of being short in preheating time, high in heating speed, high in electric heating converting rate, small in environment pollution and simple to replace and maintain. In addition, the heating temperature is easy to control, energy conservation and environment friendliness are achieved.
Description
technical field [0001] The invention belongs to the technical field of heating, in particular to an electromagnetic induction heating system for an injection molding machine. Background technique [0002] At present, various plastic machines such as injection molding machines, granulators, and blow molding machines used by people, also known as "electric tigers", are heated by electric heating wires and electric heating tubes, and the utilization rate is extremely low, only about 60%. . The traditional resistance wire heating method of the injection molding machine has low heating efficiency, high heat loss, short service life of the heating ring and heavy maintenance. The wasted electric energy causes the ambient temperature of the workshop to rise and the oil temperature of the machine to rise, which greatly shortens the service life of oil seals and oil pumps, and oil leakage and pressure instability occur. Contents of the invention [0003] The object of the present ...
Claims
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IPC IPC(8): B29C45/72B29C45/78H05B6/10H05B6/06
CPCB29C45/72B29C45/78B29C2945/76531H05B6/06H05B6/10H05B2206/02
Inventor 丁和平朱勇吴珍珠胡照霞张伟杜玲玲董丹常乐焕秦广平
Owner ANHUI QINGLONGQUAN PRINTING TECH CO LTD
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