Rapid heating and cooling method and system of injection mould

A rapid heating and injection mold technology, applied in the field of material processing, rapid heating and cooling methods and systems of injection molds, to achieve the effects of reducing processing and manufacturing costs, avoiding local overheating, and improving mold strength

Active Publication Date: 2014-02-05
SHANDONG UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

[0005] Aiming at the defects of the existing rapid heating and cooling methods for injection molds, th

Method used

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  • Rapid heating and cooling method and system of injection mould
  • Rapid heating and cooling method and system of injection mould
  • Rapid heating and cooling method and system of injection mould

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0033] Such as Figure 1-5 As shown, the entire injection mold rapid heating and rapid cooling system includes four circulation loop systems and a mold temperature control system.

[0034] The first circulation loop system consists of a heat fluid medium storage tank 18, a heat medium booster pump 1, a heat medium inlet control valve 2, a fluid medium input main pipeline 4, a mold cavity plate 7, a fluid medium output main pipeline 20, a heat medium The medium outlet control valve 19 and the like are connected by pipelines.

[0035] The second circulation loop system consists of high-pressure gas storage tank 17, high-pressure gas inlet control valve 3, fluid medium input main pipeline 4, mold cavity plate 7, fluid medium output main pipeline 20, thermal medium outlet control valve 19, thermal fluid The medium storage tank 18 and the like are connecte...

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Abstract

The invention discloses a rapid heating and cooling system of an injection mould. The rapid heating and cooling system comprises four closed loops which can be independently controlled to be connected or disconnected, wherein the closed loops are respectively used for inputting/outputting a hot fluid medium for a mould cavity plate, and inputting/outputting a cold fluid medium for the mould cavity plate; the mould cavity plate comprises at least one fluid medium input main pipeline, a fluid medium output main pipeline and a plurality of branch pipelines for connecting the fluid medium input main pipeline with the fluid medium output main pipeline, the branch pipelines are internally provided with heating elements, and gaps are reserved between the heating elements and installing hole walls. The invention also provides a rapid heating and cooling method of the injection mould. The rapid heating and cooling method comprises a mould heating stage, an after heating stage, a cooling stage and an after cooling stage. The rapid heating and cooling system and device provided by the invention have the outstanding characteristics that the regulation and control range of the temperature of the mould is large, the heating cooling efficiency and energy use ratio are high, the structure is compact, the operation is reliable, the maintenance is convenient, and the cost is low.

Description

technical field [0001] The invention belongs to the subject of material processing, specifically belongs to the field of material injection molding technology and mold technology, and in particular relates to a rapid heating and cooling method and system for an injection mold. Background technique [0002] Injection molding processing is one of the most widely used plastic molding processing methods. In the injection molding process, the molten plastic melt will be injected into the mold cavity to give it a certain shape, and then cooled and set in the mold cavity. Since the molding and cooling of the plastic melt are all completed in the mold cavity, the temperature control of the mold cavity has a very important impact on the quality and molding cycle of the final injection molding product. The mold temperature is also the most important factor in the injection molding process. one of the parameters. In the conventional injection molding process, the mold temperature con...

Claims

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Application Information

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IPC IPC(8): B29C45/73B29C45/78
CPCB29C45/73B29C45/78B29C2945/76531B29C2945/76732
Inventor 赵国群王桂龙管延锦
Owner SHANDONG UNIV
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