Gear-worm transmission thin-wall part forming die

CN224689396UActive Publication Date: 2026-08-28SHANGHAI HONGJUN TRANSMISSION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202522123393.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-09
Publication Date
2026-08-28
Estimated Expiration
2035-10-09

AI Technical Summary

Technical Problem

传统薄壁件成型模具多采用气缸或油缸驱动合模,这类线性驱动方式易受气压、油压波动影响,导致动模与定模合模速度不均、贴合力度失衡;部分模具虽采用丝杆驱动,但多为单丝杆独立控制,缺乏联动同步结构,合模时易出现动模倾斜,使薄壁件因受力不均产生翘曲、壁厚偏差等缺陷;

Benefits of technology

与现有技术相比,本实用新型的有益效果是:

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Abstract

The utility model relates to mould technical field, concretely relates to the thin wall part forming die of gear worm drive, including movable mould and fixed mould, the side position department fixed mounting of movable mould has side board, is provided with worm drive assembly on movable mould and fixed mould, worm drive assembly includes servo motor, the output shaft end of servo motor is connected with worm through the shaft coupling, and the left and right sides of worm are provided with first worm wheel and second worm wheel respectively, the fixed mounting of first worm wheel has the shaft, the top fixed mounting of shaft has first screw rod, and first screw rod passes through side board and is connected between side board with screw thread, the fixed mounting of second worm wheel has the boss, the top fixed mounting of boss has second screw rod, and the screw thread connection of second screw rod has screw sleeve, the top fixed mounting of screw sleeve has the thimble fixed plate, the top surface of thimble fixed plate is fixed mounting with a plurality of thimble. The utility model is convenient for opening and closing mould and ejection operation, and is favorable to the improvement molding accuracy.
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