Structure and manufacturing method of light load gear

A manufacturing method and gear technology, applied to components with teeth, belts/chains/gears, portable lifting devices, etc., can solve the problems of waste of metal raw materials, unfavorable environmental protection, high noise, etc., and achieve low cost, small vibration, low noise effect

Inactive Publication Date: 2013-06-05
徐州斯特龙新型建筑材料有限公司
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Problems solved by technology

[0002] Gears are commonly used parts in mechanical transmission. At present, gears are generally manufactured by metal cutting. For some light-loaded gears, there are also cold stamping methods. No matter the gears manufactured by metal cutting or stamping , these gears are all in the form of an integral metal structure. Although the gears of this structure have the advantage of bearing a large load, for som

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  • Structure and manufacturing method of light load gear

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[0008] In the figure, the invention includes a ring gear 1, spokes 2, and a hub 3. The invention uses a cold stamping process to produce a metal ring gear 1 and a hub 3 that are independent of each other. The inner circular surface of the ring gear 1 and the outer circular surface of the hub 3 are provided with matching convex and concave platforms. The spokes 2It is made of engineering plastic materials such as polyamide PC, polyamide PA, polyoxymethylene POM. The hub 3 is fixed to the center of the ring gear 1 by a mold, and the spokes 2 melted at a high temperature are pressed and filled in the space between the hub 3 and the ring gear 1. After cooling, the spokes 2 and the hub 3 and the ring gear 1 Form a unified overall gear.

[0009] The ring gear 1 and the hub 3 of the present invention are manufactured by metal sheet stamping and forming, while the spokes 2 are molded by engineering plastics. Therefore, the requirements of transmission technology can be met, an...

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Abstract

The invention discloses a structure and a manufacturing method of a light load gear. A convex platform and a concave platform which are matched are respectively arranged on an internal round surface of a gear ring and an external round surface of a hub of the light load gear. A spoke is made of engineering plastics, such as polycarbonate (PC), polyamide (PA) and polyformaldehyde (POM). The spoke is fixed on the central position of the gear ring through a mould, the spoke melt at high temperature is pressed through the mould and is filled in a space between the hub and the gear ring, and after the spoke is cooled, the spoke, the hub and the gear ring form the uniform integral gear. The structure and the manufacturing method of the light load gear have the advantages of being easy to manufacture, saving metal materials, and being low in cost, relatively small in vibration in the transmission process, small in noise, and favorable for environment protection.

Description

technical field [0001] The invention relates to a light-load gear structure and a manufacturing method thereof, belonging to the technical field of mechanical parts and mechanical transmission. Background technique [0002] Gears are commonly used parts in mechanical transmission. At present, gears are generally manufactured by metal cutting. For some light-loaded gears, there are also cold stamping methods. No matter the gears manufactured by metal cutting or stamping , these gears are all in the form of an integral metal structure. Although the gears of this structure have the advantage of bearing a large load, for some light-loaded transmission mechanisms, for example: signal transmission and In the transmission mechanism of the transmission, the gears of this integral metal structure have the defects of serious waste of metal raw materials and high cost. In addition, these metal gears of the integral structure also have relatively large vibration and high noi...

Claims

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Application Information

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IPC IPC(8): F16H55/17F16H55/06
Inventor 陈洪浩
Owner 徐州斯特龙新型建筑材料有限公司
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