Composite three-sheet spin hub and manufacturing method thereof
A manufacturing method and technology of spinning wheels, which are applied in the direction of wheel hubs, transportation and packaging, and vehicle parts, can solve the problems of high manufacturing process requirements and complex structure of composite hubs, and achieve low operation difficulty, light weight, and high product quality. stable effect
Active Publication Date: 2015-03-04
SHANGHAI JIAO TONG UNIV
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Problems solved by technology
[0006] The purpose of the present invention is to provide a three-piece composite spinning wheel hub and its manufacturing method, so as to solve the problem that the composite wheel hub produced in the prior art has a complex structure and requires a high manufacturing process
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[0041] In order to illustrate the present invention better, the present invention is described in detail with the mode of embodiment and cooperate with accompanying drawing, specifically as follows:
[0042] Such as figure 1 As shown, the present invention provides a three-piece composite spinning hub, including a spinning rim front piece 1, a rim rear piece 2 and a spoke middle piece 3, and the rim front piece 1 and the rim rear piece 2 are respectively made of a circular plate It is formed by direct spinning; the middle piece of the spoke is made by casting or forging.
[0043] Such as figure 2 As shown, one end surface of the front rim 1 is provided with a front rim connecting ring 4 , and the front rim 1 is also provided with valve holes 5 on the front rim and bolt holes 6 evenly distributed along the circumference of the front rim connecting ring 4 .
[0044] Such as image 3 As shown, one end surface of the rim back piece 2 is provided with a rim back piece assembly ...
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The invention provides a composite three-sheet spin hub and a manufacturing method thereof. The spin hub comprises a wheel rim front sheet, a wheel rim rear sheet and a spoke middle sheet, wherein the wheel rim front sheet and the wheel rim rear sheet are respectively spun by circular plate materials; a connecting ring of the wheel rim front sheet and a connecting ring of the wheel rim rear sheet are respectively connected with a first assembly surface and a second assembly surface of the convex spoke middle sheet in an interference fit manner, and are fixed by tightening bolts so as to form the composite three-sheet spin hub. Compared with the prior art, the composite three-sheet structure in a convex interference fit manner, provided by the invention, obviously improves the stability and the air tightness of the hub, the wheel rim front sheet and the wheel rim rear sheet which are spun obviously improve the mechanical property of the hub, lighten the weight, and greatly reduce the manufacturing cost; and the manufacturing method is simple in working procedure, is easy to operate and is stable in product quality.
Description
technical field [0001] The invention belongs to the field of automobile hub manufacturing, and in particular relates to a three-piece composite spinning hub and a manufacturing method thereof. Background technique [0002] The wheel hub is an important part of the car, which is a cylindrical metal part centered on the axle in the car tire to support the tire. The wheels are divided according to the manufacturing process, and there are mainly two types: integral wheels and composite wheels. Among them, the manufacturing methods of the integral wheel hub mainly include casting method, forging method and the like. At present, the output of cast wheels accounts for more than 90% of the total output of wheels, but cast wheels have disadvantages such as low strength and difficult processing; although the performance of forged wheels is better than that of cast wheels, it has disadvantages such as difficult forming and high manufacturing costs, so the market Occupancy rate is low...
Claims
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IPC IPC(8): B60B27/00
Inventor 王锋华董杰章桢彦陈志川
Owner SHANGHAI JIAO TONG UNIV