A method of processing wheel spokes
A processing method and wheel spoke technology, which are applied in the field of wheel spoke processing to achieve the effects of high forming accuracy, fast forming and high strength
Active Publication Date: 2016-11-23
ZHEJIANG JINGU CO LTD
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Problems solved by technology
The traditional stamping forming process is relatively simple. How to improve the forming accuracy, structural strength, and production efficiency is still the pursuit of continuous research and practice in the industry. Local process improvement for wheel spokes
Method used
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Embodiment
[0017] Embodiment: The main steps of a method for processing wheel spokes of the present invention are as follows.
[0018] The first process, as attached figure 2 As shown, the circular sheet is placed in the mold on the press for stamping and forming, and the positive drawing stretches the sheet into a bowl-shaped workpiece, which is mainly in contact with the sheet through two mold parts 1 and 2 The part is formed, and the pre-punched hole is punched through the mold component 3. This process first provides sufficient molding material volume for subsequent operations, and at the same time, the middle part of the sheet is less stretched, and the material is thinned. At the same time, the pre-punched hole is formed at the end of the sheet. Punching at the same time, avoiding the deformation of the hole after punching first and then stretching. The positioning accuracy of the subsequent process is high. The small fillet of the bowl-shaped workpiece at the positioning fillet 30 is...
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The invention relates to a machining method for a spoke of a wheel. The machining method comprises the following technical steps: putting a circular plate in a die on a press, carrying out stamping forming, carrying out positive drawing to stretch the plate to form a bowl-shaped workpiece, punching a pre-punched hole in the middle of the bowl-shaped workpiece, and pressing positioning circular beads on the edge of the bowl-shaped workpiece; forming reinforced ribs of the spoke, planes of punched air holes and air hole reinforcing ribs by taking the pre-punched hole as orientation, and meanwhile, preliminarily forming the outline of the middle of the spoke and the shape of a nut base; cutting off the external circle of the workpiece by taking the pre-punched hole as orientation, and meanwhile, punching an intermediate hole of the workpiece; then carrying out flanging on the spoke, so that a ring surface of the spoke is formed, and meanwhile, forming the intermediate hole of the workpiece, and forming the part nut base in an extrusion manner; then, accurately positioning the workpiece at the nut base, and punching a screw hole; finishing machining of the air holes of the workpiece, wherein the air holes are machined in the workpiece one by one by adopting a single station; positioning by adopting the intermediate hole and the screw hole in the workpiece, and carrying out extrusion on the edges of the air holes by using the circular beads on the die; then finishing the intermediate hole, and finishing machining of a mounting surface of the nut base by using the die.
Description
Technical field [0001] The invention relates to a processing method, in particular to a method for processing wheel spokes. Background technique [0002] The wheel spokes are the main support that connects the car hub and the tire, and are also a key component that determines whether the wheel is beautiful. The spokes need to be stamped many times before they can be formed. Traditionally, the main processes are blanking, initial drawing, reverse drawing forming, trimming, bolt filling, empty flanging, squeezing bolt holes, punching holes, burrs, etc. . The traditional stamping process is relatively simple. How to improve the forming accuracy, improve the structural strength, and improve the production efficiency is still the pursuit of continuous research and practice in the industry. For example, it is called "a wheel spoke processing process" (publication number: CN103658321A). Partial process improvements are made for the wheel spokes. Summary of the invention [0003] The m...
Claims
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IPC IPC(8): B21D35/00
Inventor 李顺平孙锋峰汪冬冬盛枫
Owner ZHEJIANG JINGU CO LTD