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Firewall sheath mold

A firewall and sheath technology, which is used in home appliances, other home appliances, household components, etc., can solve the problem of high failure rate of firewall sheaths, and achieve the effects of optimizing the molding quality, reducing the defective rate and improving the quality of finished products.

Inactive Publication Date: 2022-05-27
张家港天乐橡塑科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to improve the technical problem of the high defective rate of the firewall sheath corresponding to the existing production technology of the firewall sheath, the application provides a mold for the firewall sheath

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Embodiment 1 of the present application discloses a firewall sheath mold. refer to figure 1 and figure 2 , the firewall sheath mold includes an injection molding assembly 1 and an air extraction assembly 2, the injection molding assembly 1 is used to inject a semi-fluid rubber raw material into a solid firewall sheath finished product 4, and the injection molding assembly 1 includes an upper mold core plate 11, The lower die plate 12, the heating element 14, the top plate 13 and the positioning ring 15. The heating element 14 includes two heating plates 141, a heat insulation plate 142 arranged on one side of each heating plate 141, and a number of heat generating plates 141. Heating tube 143.

[0044] refer to figure 1 and figure 2 , the upper die plate 11 and the lower die plate 12 are attached to each other, the upper die plate 11 is away from the side wall of the lower die plate 12, and the side wall of the lower die plate 12 away from the upper die plate 11 c...

Embodiment 2

[0060] refer to Figure 10 The difference between Embodiment 2 and Embodiment 1 is that the heating plate 141 and the heat insulating plate 142 are arranged in a one-to-one correspondence, and the heat insulating plate 142 faces the side wall of the heating plate 141 and is located at the edge of the heat insulating plate 142. 142 is integrally formed with a heat insulating enclosure plate 144 in the circumferential direction. The heat insulating enclosure plate 144 and the heat insulating plate 142 together form a slot 145 for inserting the corresponding heating plate 141, and the heating plate 141 is completely inserted into the corresponding slot 145. Inside, the heating pipe 143 penetrates through the thermal insulation enclosure plate 144 .

[0061] The implementation principle of a fire wall jacket mold in Example 2 of the present application is as follows: the heat insulating enclosure plate 144 is enclosed on the circumferential side wall at the edge of the heating pla...

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PUM

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Abstract

The invention relates to a firewall sheath mold, and relates to the technical field of rubber injection molds. The injection molding device comprises an injection molding assembly, and the injection molding assembly comprises an upper mold core plate, a lower mold core plate and a heating piece used for heating the upper mold core plate and the lower mold core plate; a plurality of cavities are jointly formed between the lower mold core plate and the lower mold core plate, and a mold core matched with the shape of the outer surface of the firewall sheath is arranged in each cavity; all the cavities are jointly communicated with a runner through which an injection raw material flows, and one end, far away from the cavities, of the runner is communicated with an injection inlet for injecting the raw material into each cavity; the flow channel further communicates with an air exhaust assembly used for exhausting air in all the cavities; the firewall sheath production line has the effects of optimizing the quality of the produced firewall sheath and reducing the defective rate.

Description

technical field [0001] The present application relates to the technical field of rubber injection moulds, in particular to a fire wall sheath mould. Background technique [0002] Car firewall is the name of a part in the car; in the car, the passenger and the engine are separated by the firewall. Once the car engine catches fire, the firewall can not only protect the safety of the passengers, but also allow the driver to continue to control the engine; the engine compartment needs to pass through the firewall The sheet metal parts reach the room, the firewall sheath is a rubber piece used to protect the wire harness passing through the firewall and prevent the wire harness from being damaged; and the firewall sheath mold is a mold used to generate the above-mentioned firewall sheath. [0003] The Chinese patent with the relevant authorization announcement number CN205202024U discloses an automobile firewall wire harness sheath forming mold, including an upper mold and a lowe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/26B29C45/34B29C45/73B29L31/30
CPCB29C45/261B29C45/34B29C45/7331B29C2045/2683B29L2031/30
Inventor 张震许浩杰
Owner 张家港天乐橡塑科技股份有限公司