A front-mold inner-drawing slider mold

A technology for sliders and molds, which is applied in the field of front-mold inner-drawing slider molds, which can solve problems such as complex mold maintenance, production product output decline, and production progress, and achieve compact structure, mold cost savings, and easy maintenance. Effect

Active Publication Date: 2016-03-30
SHANGHAI YONGXING PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Nowadays, there are various forms of injection molding products. Many products are required to be molded with undercuts during molding. This requires that the hooks can be unhooked without damaging the product when demoulding. Among them, the mechanical slip-out undercuts are required. The mechanism is mainly reflected in the large / medium-sized three-plate mold point gate mold, the distance between the runner and the slider is relatively close, and the plastic material is easy to flow into the slider, resulting in a decrease in the production of products and a long maintenance cycle. In addition, mold maintenance It is also very complicated, and a lot of work needs to be done during maintenance, which will affect the later production schedule

Method used

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  • A front-mold inner-drawing slider mold
  • A front-mold inner-drawing slider mold

Examples

Experimental program
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Effect test

Embodiment

[0023] like Figure 1-2 As shown in the figure, a front-mold inner-pulling slider mold includes an upper mold and a lower mold, and the upper mold includes an I-shaped plate 1, a nozzle plate 2, a backing plate 3 and an A plate 4 sequentially arranged from top to bottom. , the lower mold includes B plate 5, square iron 6, bottom plate 9, face needle plate 7 and bottom needle plate 8, B plate 5 is fixed on the bottom plate 9 through the square iron 6 arranged under the four corners of its bottom, and the bottom plate 9 is connected to the bottom plate 9. The bottom needle plate 8 and the face needle plate 7 are also arranged in sequence between the 5 plates of the B plate.

[0024] The upper mold is provided with an inner-pulling slider barb and hook mechanism, which includes a shovel base 10, an inclined guide post 12, a wear-resistant block 13 and a slider 14. The shovel base 10 is in the shape of a block with feet, and the shovel base 10. The top is fixed under the I-shaped...

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PUM

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Abstract

The invention relates to a slider mold with an interior-drawer-type front mold, which comprises an upper mold and a lower mold, wherein the upper mold comprises an I-shaped plate, a water gap plate, a backing plate and a plate A; the lower mold comprises a plate B, a square iron, a bottom plate, a surface needle plate and a bottom needle plate; the upper mold is provided with an interior-drawer-type slipper tripping mechanism; the interior-drawer-type slipper tripping mechanism comprises a shovel base, a side draw pin, a wear-resistant block and a slider; the shovel base is fixed below the I-shaped plate; the side draw pin is arranged in the shovel base, and the bottom is inserted into the slider; the slider presses on the bottom of the plate A; the wear-resistant block is arranged between the shovel base and the slider; the slider is provided with a lug boss matched with a molded product; and after finishing the injection molding, the plate A and the plate B are separate, and the shovel base drives the slider to move to one side through the side draw pin, thereby demolding the molded product with back-off. Compared with the prior art, the mold has the advantages of compact structure, high stability, long service life and the like, and is convenient for maintenance.

Description

technical field [0001] The invention relates to a mold, in particular to a front-mold inner-drawing slider mold. Background technique [0002] Now there are various forms of injection molding products. Many products are required to be molded with inverted buttons during molding. This requires that the hook can be released without damaging the product during demolding. The mechanism is mainly reflected in the large / medium-sized three-plate mold point gate mold. The distance between the runner and the slider is relatively close, and the plastic material is easy to flow into the slider, resulting in a decrease in the output of production products and a long maintenance cycle. In addition, mold maintenance It is also very complicated, and a lot of work needs to be done during maintenance, which affects the later production progress. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a front-die inner-drawing slider die with compact structure,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/33
CPCB29C45/33
Inventor 宋志剑
Owner SHANGHAI YONGXING PLASTICS
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