Multi-color plastic injection moulding equpment and method

A technology of injection molding and molding equipment, which is applied in the field of multi-color composite plastic injection molding equipment, can solve the problems of complex process, high cost, cumbersome operation, etc., achieve uniform shrinkage of finished products, reduce equipment cost, and improve product quality.

Inactive Publication Date: 2004-03-24
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, this kind of molding equipment has complex structure and high cost, and because these molds need to be replaced, the volume should not be too large, so that only small-sized products can be molded
This molding method is complex and cumbersome to operate, and because the two molding processes are completed in one mold, the product quality cannot be observed and monitored in real time

Method used

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  • Multi-color plastic injection moulding equpment and method
  • Multi-color plastic injection moulding equpment and method
  • Multi-color plastic injection moulding equpment and method

Examples

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Embodiment Construction

[0012] The multi-color composite plastic injection molding equipment of the present invention includes several single-nozzle injection machines and several transmission devices erected between these injection machines. The following is an example of a two-color composite plastic injection molding equipment and its molding method.

[0013] see figure 1 , a two-color composite plastic injection molding equipment 1 includes two single-nozzle injection machines 10, 30 and a transfer device 50 erected between these injection machines 10, 30.

[0014] The single nozzle injection machine 10 includes a feeding device 12 , a barrel 16 containing a screw 14 , a nozzle 18 at the front end of the barrel 16 , a mold 20 and a manipulator 22 above the injection machine 10 .

[0015] Another single-nozzle injection machine 30 is the same as the single-nozzle injection machine 10, and also includes a feeding device 32, a barrel 36 containing a screw 34, a nozzle 38 positioned at the front end...

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Abstract

The present invention relates to a multi colour composite plastic ejection forming equipment and its method. Said equipment includes several one-jet nozzle injection machines and transferring device placed between these injection machines. Every injection machine includes a jet nozzle, a mould and a manipulator positioned over the injection machine, these moulds can be formed into the mould group correspondent to a multicolour formed product. Said invention also provides its operation method, and can produce lonts of said multicolour formed products.

Description

【Technical field】 [0001] The invention relates to a multi-color composite plastic injection molding equipment and method, in particular to a multi-color composite plastic injection molding equipment and method formed by combining a plurality of ordinary injection machines. 【technical background】 [0002] Multi-color composite plastic injection molding refers to the injection of two or more plastics into the mold under certain conditions to form a plastic product in which these different materials are combined with each other to form a whole. [0003] Existing multi-color composite plastic injection molding products are usually buttons for 3C products, PDA handheld computer casings, mobile phone casings, lamp lenses for automobiles, etc. [0004] The equipment used in the existing multi-color composite plastic injection molding is generally a plastic injection machine. The difference between the injection machine and the ordinary injection machine is that the injection machin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/13B29C45/16
Inventor 彭镜齐洪明鑫李国三
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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