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injection molding machine

A technology for injection molding machines and molding materials, which is applied in the field of injection molding machines and can solve problems such as the need to improve the cooling gas utilization method

Inactive Publication Date: 2018-05-25
SUMITOMO HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] When the cooling block is cooled by the cooling gas, the utilization method of the cooling gas needs to be improved

Method used

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Embodiment Construction

[0040] Hereinafter, modes for implementing the present invention will be described with reference to the drawings. In each of the drawings, the same or corresponding components are given the same or corresponding symbols and descriptions thereof are omitted. And, with the moving direction of the screw in the filling process ( figure 1 as well as figure 2 Middle left direction) is the front, taking the moving direction of the screw in the metering process ( figure 1 as well as figure 2 center-right direction) is explained for the rear.

[0041] figure 1 It is a figure which shows the injection molding machine of one embodiment of this invention. figure 2 yes means figure 1 A side view of the main part of the injection device.

[0042] like figure 1 as well as figure 2 As shown, the injection molding machine includes an injection device 40 for filling a molding material into a mold device. The injection device 40 includes a cylinder 41 , a screw 43 , a cooling block...

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Abstract

The invention aims to provide an injection moulding machine using cooling air to cool a cooling piece, and usage method of the cooling air can be improved; the injection moulding machine comprises the following structures: a tank used for heating forming material filled in a die; the cooling piece used for cooling a tank forming material supply port; a cooling air supply portion spraying cooling air used for cooling the cooling piece; and a variable mechanism changing paths of the cooling air surrounding the cooling piece.

Description

technical field [0001] This application claims priority based on Japanese Patent Application No. 2013-251484 filed on December 4, 2013. The entire content of the application is incorporated in this specification by reference. [0002] The present invention relates to injection molding machines. Background technique [0003] An injection molding machine includes a cylinder for heating a molding material filled in a mold device, and a cooling block for cooling a molding material supply port of the cylinder (for example, refer to Patent Document 1). A flow path through which a cooling liquid (such as cooling water) flows is formed inside the cooling block, and the temperature of the molding material supply port of the cylinder is maintained at a temperature at which the molding material (such as resin pellets) does not melt. Clogging of the molding material supply port can be prevented. [0004] Patent Document 1: Japanese Patent Laid-Open No. 2005-103875 [0005] When the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/72B29C45/18B29C45/47
CPCB29C45/74
Inventor 阿部昌博
Owner SUMITOMO HEAVY IND LTD