Open-gear core-pulling demolding mechanism for injection mold of automobile seat guard plate

By adopting an open-shift core-release mold release structure in the injection mold of the car seat guard plate, the complex structure of the lower template is solved, and the automation of core-release and ejection is realized, simplifying the mold design and reducing costs.

CN222662533UActive Publication Date: 2025-03-25TAIZHOU TONGJIA MAO PLASTICS CO LTD
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Patent Information

Application Number
CN202420997818.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-03-25
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

When designing the existing car seat guard injection mold, the ejection mechanism under the template is complex, making it difficult to meet the needs of core extraction function and product ejection.

Method used

The open-shift core-release mold release structure is adopted, including a core-release slide, an open-shift core-release slide, a bottom insert and an open-shift core-release drive assembly. The lower template is driven to move upward through the open-shift mechanism to realize the automation of the core-release and ejection functions.

Benefits of technology

The structural design of the lower side of the lower template is simplified, the cost is reduced, the setting of the core pulling driver is avoided, and the core pulling slide has no interference with the ejection mechanism, which improves the simplification of the mold design.

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Abstract

The utility model provides a gear opening, core pulling and demolding mechanism for an injection mold of an automobile seat guard plate, and belongs to the technical field of molds. The mold comprises a top plate, an injection molding plate, an upper mold plate, a lower mold plate and a bottom plate which are sequentially arranged from top to bottom, a forming cavity is formed between the upper mold plate and the lower mold plate, two supporting plates are arranged on the two sides of the top of the bottom plate, and a gear opening mechanism is arranged between the upper mold plate and the lower mold plate. During mold opening, after the top plate, the injection molding plate and the upper mold plate move upwards by a certain distance, the lower mold plate can be driven by the gear opening mechanism to move upwards so that the lower mold plate can be separated from the supporting plate, when the lower mold plate moves upwards, the gear opening core-pulling demolding structure can be driven to act and achieve core pulling, a core-pulling driver does not need to be arranged on the lower side of the lower mold plate, and cost is low; and the opening core-pulling demolding structure is arranged on the supporting plate and does not interfere with an original ejection mechanism on the lower side of the lower mold plate, so that the structure on the lower side of the lower mold plate can be simplified to a great extent during mold design.
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