Core-pulling structure for oppositely-arranged pitched-roof mold inserts
A core-pulling structure and insert technology, which is applied to the core-pulling structure field of inclined top inserts, can solve the problems of poor machining accuracy, low production efficiency, and the mold cannot be formed at one time, and achieves good product quality, high production efficiency, and high processing efficiency. high precision effect
Inactive Publication Date: 2013-11-27
WUXI CITY NEW DISTRICT WEICHUANGLI MOLD FACTORY
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Problems solved by technology
[0002] For products with facing downward convex hook-shaped structures arranged on the lower surface, the existing mold cannot be formed at one time. It needs to shape the general outer contour first, and then form the downward convex opposite hook-shaped structures through finishing machining. The product’s Low production efficiency, poor processing accuracy and poor product quality
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[0007] See figure 1 , which includes a front mold 1, a rear mold 2, a plate 3, and a plate B 4, a cavity 5 is formed between the front mold 1 and the rear mold 2, and the lower surface of the cavity 5 is arranged with a facing lower convex belt hook structure The product also includes a middle insert 6 and two facing inclined top inserts 7, the top of the middle insert 6 is close to the surface of the cavity 5, and the inclined top insert 7 is located in the oblique installation groove 8 of the middle insert 6 Inside, the inner side of the top of the oblique mounting groove 8 is a downward flared inclined plane 9, and the outer side is a vertical plane 10; It fits the inclined surface 9 on the top inner side of the oblique installation groove 8, and the outer vertical surface of the inclined top insert 7 has a convex hook groove 11, and the oblique insert 7 runs through the B plate 4, the rear mold 2, and the middle insert 6. 1. The top is installed on the surface of the cavi...
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The invention provides a core-pulling structure for oppositely-arranged pitched-roof mold inserts. With the core-pulling structure, a product can be molded through one-shot injection molding, wherein oppositely-arranged downwardly-protruding hook-shaped structures are arranged on the lower surface of the product; and the core-pulling structure enables high production efficiency, high processing precision and good product quality to be obtained. The core-pulling structure comprises a front mold, a rear mold, a plate A and a plate B, wherein a mold cavity is located between the front mold and the rear mold, and a product with oppositely-arranged downwardly-protruding hook-shaped structures on its lower surface is arranged in the mold cavity. The core-pulling structure is characterized in that the core-pulling structure comprises a central mold insert and two opposite pitched-roof mold inserts, the top of the central mold insert abuts against the surface of the mold cavity, the pitched-roof mold inserts are located in oblique installation grooves of the central mold insert, the inner side of the top of each oblique installation groove is a downwardly-flaring inclined plane, the outer side of the top of each oblique installation groove is a vertical plane, the inner side of the top of each pitched-roof mold insert is an inclined plane, the outer side of the top of each pitched-roof mold insert is a vertical plane, and the inner inclined plane of the pitched-roof mold insert abuts against the inner inclined plane at the top of the oblique installation groove.
Description
technical field [0001] The invention relates to the structural technical field of product molds, in particular to a core-pulling structure of oppositely arranged slanted top inserts. Background technique [0002] For products with facing downward convex hook-shaped structures arranged on the lower surface, the existing mold cannot be formed at one time. It needs to shape the general outer contour first, and then form the downward convex opposite hook-shaped structures through finishing machining. The product’s The production efficiency is low, and the processing accuracy is poor, and the product quality is poor. Contents of the invention [0003] The invention provides a core-pulling structure of oppositely arranged slanted top inserts, which enables products with opposite lower convex hook-shaped structures arranged on the lower surface to be injection molded at one time, resulting in high production efficiency, hig...
Claims
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IPC IPC(8): B29C45/33
Inventor 吕应军
Owner WUXI CITY NEW DISTRICT WEICHUANGLI MOLD FACTORY