一种齿轮与齿轮轴的装配工装

By designing a positioning pin with two straight sections and a ball bearing structure, combined with a clamping mold and disc, the technical problem of positioning in the prior art is solved. The design of the positioning pin solves the problems of positioning pin runout and uneven matching in the prior art, realizing the stability and clamping effect of the positioning pin, and improving the assembly accuracy and efficiency of gears and gear shafts.

CN224509525UActive Publication Date: 2026-07-17ZIBO JIANSHENG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZIBO JIANSHENG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Filing Date
2025-08-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The existing gear and gear shaft assembly fixture is prone to wobble when the locating pin descends, which affects assembly efficiency and accuracy. In addition, the gear and the locating groove have poor matching degree, which affects the assembly quality.

Method used

The locating pin, which adopts a two-section straight cylinder design, combined with ball bearings, clamping mold, and disc spring plate structure, achieves center positioning and stable clamping of the gear, thereby improving assembly accuracy.

Benefits of technology

It improves the balance and precision of gear and gear shaft assembly, ensuring assembly quality and efficiency, and is suitable for large-scale promotion.

✦ Generated by Eureka AI based on patent content.

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Abstract

本实用新型属于传动装配设备领域,提出一种齿轮与齿轮轴的装配工装,包括由上至下依次设置的底座、中空的垫块和中空的固定座,所述垫块的内部设置有定位销和弹簧,所述固定座上设置有定位槽,所述定位销包括上下一体设置的第一直筒段和第二直筒段,所述第二直筒段与垫块的内壁接触面上设置有至少两个上下间隔分布的环形槽,所述环形槽中设置有若干个滚珠,所述固定座上设置有分布在定位槽上方的夹持模具,所述夹持模具包括3个用来与工件啮合的夹持模块。本实用新型设计合理、定位效果较好、有利于保证装配精度且实用性较强,适合大规模推广。
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Claims

1. A gear and gear shaft assembly tool, comprising a base, a hollow spacer and a hollow fixing seat arranged in sequence from top to bottom, the inside of the spacer is provided with a positioning pin and a spring, and the fixing seat is provided with a positioning groove, characterized in that, The positioning pin includes a first straight cylindrical section and a second straight cylindrical section integrally formed. The second straight cylindrical section has at least two annular grooves spaced apart vertically on its contact surface with the inner wall of the pad. Several balls are arranged in the annular grooves. The fixed seat is provided with clamping molds distributed above the positioning grooves. The clamping molds include three clamping modules for engaging with the workpiece.

2. The gear and gear shaft assembly tool of claim 1, wherein, The clamping mold includes a square plate with a circular hole at its center. The clamping molds are evenly distributed around the circumference of the circular hole. Positioning holes are provided at the corners of the square plate and are inserted into positioning feet located on the top of the fixed base.

3. The gear and gear shaft assembly tool of claim 2, wherein, The square plate is provided with a pair of quick-release plates extending towards the sides of the fixing base. The bottom of the quick-release plates is provided with a buckle, and the side of the fixing base is provided with a slot that cooperates with the buckle.

4. The gear and gear shaft assembly tool of claim 3, wherein, The bottom of the square plate is provided with a positioning cylinder, which cooperates with the positioning ring groove provided on the top surface of the fixed base.

5. The gear and gear shaft assembly tool of any one of claims 1-4, wherein, The positioning groove is a countersunk groove, and a disc spring plate is provided at the bottom of the positioning groove. The center of the disc spring plate is arched upward and used to elastically support the workpiece.

6. The gear and gear shaft assembly tool of claim 5, wherein, The clamping module is provided with a connecting post, the connecting post is provided with a connecting hole, the connecting hole is provided with a bolt, and a limiting claw is provided between the bolt and the top surface of the connecting hole. The limiting claw rotates with the bolt and is used to limit the workpiece.