An injection mold for an automobile A-pillar trim strip

By introducing a lifting mechanism and a baffle assembly into the injection mold for automotive A-pillar seam strips, the problems of deformation and fatigue cracks caused by stress concentration in the mold on a horizontal injection molding machine were solved, achieving stable lifting of the mold and extending its service life.

CN224545159UActive Publication Date: 2026-07-24KUNSHAN HYD PRECISION MOLDING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN HYD PRECISION MOLDING CO LTD
Filing Date
2025-07-09
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

When traditional automotive A-pillar strip molds are hoisted on horizontal injection molding machines, stress concentration can easily lead to localized deformation or cracking. Furthermore, frequent hoisting can cause fatigue cracks and shorten the mold's lifespan.

Method used

An injection mold for automotive A-pillar seam strips was designed. The lifting mechanism includes a female mold base and a male mold base, which are fixed by side threaded holes and connecting bolts to the hanging plate. The hanging plate is inlaid with a threaded cylinder and a lifting ring, and is equipped with a baffle assembly to prevent the lifting cable from contacting the mold. Pulleys are used to reduce the contact area.

Benefits of technology

It effectively disperses lifting stress, ensures the integrity of the mold structure, prevents damage to the slings, and improves the stability and lifespan of the mold.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224545159U_ABST
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Abstract

The utility model relates to injection mold technical field, and disclose a kind of injection mold of automobile A column slit strip, including female die seat and male die seat: the side of female die seat and male die seat is provided with the lifting mechanism for hoisting on horizontal injection molding machine, the lifting mechanism includes the side screw hole being opened in female die seat and male die seat, and the lifting plate being contacted with female die seat and male die seat, connecting bolt is connected on the lifting plate by screw thread, and the lifting plate is fixed on injection mold with the cooperation of side screw hole.Connecting bolt.This injection mold of automobile A column slit strip, the mold is placed in lifting mechanism lifting plate, hoisting is carried out using lifting eye on lifting plate, to avoid the stress concentration on mold generated by hoisting, to guarantee the integrity of mold structure, and threaded barrel is embedded on lifting plate, to guarantee that lifting eye has enough depth thread to be connected, to ensure the stability of mold hoisting on horizontal injection molding machine.
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