Molding mold of injection molding hollow tube and using method

A technology for forming molds and hollow tubes is applied in the field of forming molds for injection molding hollow tubes, and achieves the effects of simple mold structure, guaranteed quality standards, and easy implementation.

Active Publication Date: 2015-11-18
芜湖茂晟汽车零部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a molding die for injection molding hollow tubes and a method of use to solve the problem of molding standards for injection molding hollow tubes

Method used

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  • Molding mold of injection molding hollow tube and using method
  • Molding mold of injection molding hollow tube and using method
  • Molding mold of injection molding hollow tube and using method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as figure 1 , 2 , 3, a molding die for injection molding hollow tubes, including an upper clamping die 1 and a lower clamping die 2, the upper clamping die 1 is provided with an upper molding groove 3, and the lower clamping die 2 is provided with There is a lower forming groove 4, and a blowing structure and a bending limit structure are also provided in the upper clamping die 1 and the lower clamping die 2, and the feature is that: the upper edge of the lower forming groove 4 of the lower clamping die 2 is also provided with a There is an active bending-limiting structure.

[0026] The movable bending limiting structure includes a movable block 5 matching the shape of the cutout provided at the bend of the lower forming groove 4, the bottom of the movable block 5 is provided with a first inner connecting plate 6, and at the bottom of the first inner connecting plate 6 A back-moving spring 7 is provided, and a second inner connection plate 8 is arranged on the b...

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PUM

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Abstract

The invention discloses a molding mold of an injection molding hollow tube. The molding mold comprises an upper clamping mold and a lower clamping mold. An upper molding groove is arranged in the upper clamping mold. A lower molding groove is arranged in the lower clamping mold. A blowing structure and a camber limiting structure are further arranged between the upper clamping mold and the lower clamping mold. The molding mold is characterized in that a movable camber limiting structure is further arranged on the upper edge of the bent position of the lower molding groove of the lower clamping mold. The movable camber limiting structure and the camber limiting structure are further arranged on the upper edge of the bent position of the lower molding groove of the lower clamping mold, so that the overall quality standard and installation matching of the bent position of an injection molding piece are ensured. Meanwhile, the mold is simple in structure, convenient to implement and quite convenient to apply, and the mold injection quality standard is further ensured when the molding mold is used in cooperation with the camber limiting structure.

Description

technical field [0001] The invention relates to the field of injection molding, in particular to a molding die for injection molding a hollow tube and a method for using it. Background technique [0002] At present, the injection-molded hollow tubes of automobiles are injection-molded pipe fittings installed in the ventilation and exhaust of automobile air conditioners. [0003] With the innovation of automobile technology, the shape of injection molding pipe fittings for air conditioning, ventilation and exhaust of automobiles at this stage has changed. In the past, injection molding pipe fittings for automobile air conditioning, ventilation and exhaust had poor resistance performance and heavy product weight. Infrared detection detects that there is a barrier in the product, the injection molded pipe fittings do not match with the bend, and the appearance and texture are poor. Contents of the invention [0004] The purpose of the present invention is to provide a moldin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/26B29L23/00
CPCB29C45/2602B29C45/261B29L2023/004
Inventor 袁辉龙陈贤荣
Owner 芜湖茂晟汽车零部件有限公司
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