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Plastic mould rapid heating and cooling temperature controlling device

A technology of temperature control device and plastic mold, which is applied in the direction of temperature control by electric means, can solve the problems of long heating and cooling time, low temperature control accuracy, and narrow temperature range, and achieve low production cost and temperature control range The effect of wide, high peak temperature

Inactive Publication Date: 2008-01-09
SHANDONG UNIV
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  • Abstract
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Problems solved by technology

The current plastic mold temperature control devices are relatively simple, and they all have problems such as long heating and cooling time, low temperature control accuracy, narrow temperature range, and low peak temperature. It is difficult to obtain products with high precision, good surface quality, and no melting marks.

Method used

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  • Plastic mould rapid heating and cooling temperature controlling device

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Embodiment

[0015] Accompanying drawing has provided the structural principle schematic diagram of the present invention. The temperature control device for rapid heating and cooling of plastic molds of the present invention mainly includes a heating device 1, a cooling device 2, a high-temperature power device 3, a low-temperature power device 4, pressure gauges 6 and 8, flow regulating valves 5 and 7, and a pneumatic electromagnetic angle seat Valves 9-14, programmable logic controller (PLC) 16, power supply 17, touch screen 18. The heating device 1 is connected with the high temperature power device 3 , and the cooling device 2 is connected with the low temperature power device 4 . The heating device 1, the high-temperature power device 3 and the plastic mold 15 form a circulation loop through pipelines, and the pipelines are filled with heat medium. In the circulation loop, the pipeline where the medium enters the plastic mold is equipped with a flow regulating valve 7, a pressure gau...

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Abstract

The temperature control device for fast heating and cooling plastic mold includes one heating unit, one cooling unit, one high temperature power unit, one low temperature power unit, one loop control switch and one control unit. The heating unit, the high temperature power unit and the plastic mold are connected by pipeline filled with heating medium and equipped with control switches to form one circular heating loop; the cooling unit, the low temperature power unit and the plastic mold are connected by pipeline filled with cooling medium and equipped with control switches to form one circular cooling loop; and the control unit is connected electrically to the heating unit, the cooling unit and the control switches. The present invention can fast timely mold heating and cooling, wide temperature control range, high control precision and capacity of producing high quality plastic product.

Description

technical field [0001] The invention relates to a temperature control device for rapid heating and cooling of plastic moulds, in particular to an injection molding process requiring high-precision and high-gloss products, and belongs to the technical field of plastic injection molding. Background technique [0002] As one of the important molding methods in plastic processing, injection molding is widely used in various fields of industrial production. With the increasingly wide application of plastic products, enterprises have higher and higher requirements for the precision, surface quality and strength of plastic products. Higher requirements have been imposed, and the traditional injection molding process has been difficult to meet this requirement. At present, the surface quality and surface strength of plastic products are mainly improved by plastic spraying technology. On the one hand, the surface quality of injection molding products has a great influence on the qu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/78G05D23/19
Inventor 赵国群李辉平管延锦高军
Owner SHANDONG UNIV
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