Stamping die for manufacturing small steel wheel balance blocks and method for manufacturing stamping die
A punching die and balancing technology, applied in the production of steel wheel balance blocks, can solve problems such as large collapse angle and affect the quality of parts section, improve production efficiency and solve the effect of section collapse angle
Active Publication Date: 2015-01-21
SHANGHAI UNIV OF ENG SCI +1
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Problems solved by technology
Since the scissors formed by the upper blade and the lower blade are all stressed on one side, the punching section and the upper and lower bottom surfaces of the workpiece will be inclined at a certain angle when the workpiece is cut, that is, the punching section and the upper and lower bottom surfaces of the workpiece will be inclined at a certain angle. It is no longer perpendicular to each other, which causes a large collapse angle on the shear section of the workpiece to be cut, and with the wear of the cutting blade edge, the collapse angle will become larger and larger, seriously affecting the section quality of the part
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[0028] Please refer to Figure 1, figure 2 , image 3 , in order to better understand the technical solution of the present invention, the following will be described in detail through specific embodiments and in conjunction with the accompanying drawings:
[0029] see Figure 1a , Figure 1a It is the steel wheel balance block 20 of the present invention. The steel wheel balance block 20 is made of ordinary carbon steel material, including a lower bottom surface that can be pasted with double-sided adhesive tape, and an upper surface parallel to the lower bottom surface. The bottom surface has a one-piece structure formed by integral stamping; both ends of the small steel wheel balance block 20 have uniform punching sections 201 without slump. That is, each edge 202 on the small steel wheel balance block connecting the punched sections 201 at both ends of the steel wheel balance block is perpendicular to the punched sections 201 at both ends of the steel wheel balance bloc...
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The invention disclose small steel wheel balance blocks and a strip-shaped wheel balance block, a method for producing the small steel wheel balance blocks and a stamping die. Each small steel balance block is provided with a lower bottom surface which can be adhered to a double-faced adhesive tape; each small steel wheel balance block has a wholly press-formed integrated structure and uniform blanking sections without collapsed corners. A plurality of small steel wheel balance blocks are adhered to one side the double-faced adhesive tape to form the strip-shaped wheel balance block. The stamping die for producing the small wheel balance blocks comprises a feed section, a stamping section and a positioning section; the stamping section and the positioning section have the same length in the feed directions, so that after steel plate blank is blanked, the small steel wheel balance blocks with the same quality can be obtained on the stamping section and the positioning section of the stamping die simultaneously. According to the technical scheme, the energy consumption of production can be reduced obviously, the produced product is good in appearance, and high production efficiency is guaranteed.
Description
technical field [0001] The invention relates to a small steel wheel balance block and a strip-shaped wheel balance block, as well as a stamping die for producing the steel wheel balance block and a method for producing the steel wheel balance block. Background technique [0002] At present, there are two types of balance weights for automobile wheels at home and abroad: the external hanging type and the built-in pasting type. The external wheel balance weight has the advantages of easy assembly and disassembly, but it requires that the wheel hub must have a flange to facilitate the external balance weight, which has a certain impact on the appearance of the car wheel. On the other hand, there is also a risk of falling off, which is prone to safe question. In recent years, with the large-scale use of automobile aluminum alloy wheels and the strict requirements on the appearance of automobiles, high-end automobiles and even ordinary family automobiles have also adopted built-...
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IPC IPC(8): B60B15/28B21D37/10
Inventor 徐新成钱嘉明宋哲夫张阿虎王淑新
Owner SHANGHAI UNIV OF ENG SCI