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Elastic ejection structure for mold

A pop-up and mold technology, applied in the field of product mold structure, can solve the problems of low production efficiency, high mold production cost, slow mold clamping speed, etc., and achieve the effect of improving production efficiency, simple structure, and mold clamping speed block.

Inactive Publication Date: 2014-01-29
WUXI NEST BIOTECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing products with concave side parts are demoulded through horizontal inserts and sliders. The structure is complex, and for products with uncomplicated concave shapes, the cost of mold production is high, and the mold must be closed after demoulding. The mold speed is slow, which makes the production efficiency of the product low

Method used

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  • Elastic ejection structure for mold

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Embodiment Construction

[0009] See figure 1 , which includes a front mold 1, a rear mold 2, a front mold insert 3, a thimble, and a B plate 4. A molding cavity 19 is enclosed between the front mold 1, a rear mold 2, and the front mold insert 3, and the cavity 19 is a product , the side of the product has a concave structure 5, the back mold 2 is supported on the B board 4, one of the thimbles is specifically a straight and inclined top 6, and the back mold 2 and the B board 4 have a through straight and inclined top installation hole 7 , after the straight slanted top 6 passes through the straight slanted top installation hole 7, its lower end is fastened to the integral structure of the needle plate 8 and the bottom needle plate 9, there is a movable cavity 10 between the B plate 4 and the needle plate 8, and the straight slanted top The inner side of the upper end 11 of 6 goes deep into the concave structure 5, the outer side of the upper end 11 of the straight roof 6 is close to the inner wall of ...

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Abstract

The invention provides an elastic ejection structure for a mold. According to the elastic ejection structure, an inward-concave structure is arranged at the side part of a product, and the product with the simple inward-concave structure can be laterally demolded through thimbles, so that the mold is simple in structure, the mold assembling speed of the mold is high, and the production efficiency of the products is improved. The elastic ejection structure comprises a front mold, a rear mold, a front mold insert, the thimbles and a plate B, wherein a cavity is formed by the surrounding of the front mold, the rear mold and the front mold insert; the product is arranged in the cavity, the inward-concave structure is arranged at the side part of the product, and the rear mold is supported on the plate B. The elastic ejection structure is characterized in that one thimble is specifically a straight pitched roof, wherein a through straight pitched roof mounting hole is formed in the rear mold and the plate B, and the lower end of the straight pitched roof is fastened at an integral structure of a face needle plate and a bottom needle plate after the straight pitched roof penetrates through the straight pitched roof mounting hole; a movable cavity is formed between the plate B and the face needle plate; the inner side of the upper end of the straight pitched roof deeply penetrates into the inward-concave structure, and the outer side of the upper end of the inward-concave structure clings to the inner wall of the straight pitched roof mounting hole.

Description

technical field [0001] The invention relates to the structural technical field of product molds, in particular to a spring top structure of a mold. Background technique [0002] Existing products with concave side parts are demoulded through horizontal inserts and sliders. The structure is complex, and for products with uncomplicated concave shapes, the cost of mold production is high, and the mold must be closed after demoulding. The mold speed is slow, making the production efficiency of the product low. Contents of the invention [0003] The invention provides a spring top structure of a mold, which enables products with a concave structure on the side and an uncomplicated concave structure to complete lateral demoulding through an ejector pin, so that the structure of the mold is simple, and the mold clamping Speed ​​block, improve product production efficiency. [0004] A kind of spring top structure of mold, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C33/44
Inventor 夏远富
Owner WUXI NEST BIOTECHNOLOGY CO LTD
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