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Modified blanking die of bicycle chain guard connecting piece

A blanking die and bicycle technology, applied in the field of bicycle manufacturing, can solve the problems of low raw material utilization rate, increased product cost, low processing efficiency, etc., and achieve the effect of improving work efficiency and plate utilization rate

Inactive Publication Date: 2014-11-19
KUNSHAN LITTLE DINASAUR CHILD PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the structure of the chain cover piece used on the bicycle is a hollow circular arc structure. When a stamping die is used for processing, it is usually a single blanking to ensure product quality, but the processing efficiency is low. Among them The arc-shaped material of the inner ring of the chain cover piece is basically treated as waste after stamping, so the utilization rate of raw materials is low, and the product cost is also increased

Method used

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  • Modified blanking die of bicycle chain guard connecting piece
  • Modified blanking die of bicycle chain guard connecting piece

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Embodiment Construction

[0010] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0011] see figure 1 with figure 2 , the embodiment of the present invention comprises: a kind of blanking mold of improved bicycle chain cover piece, comprises: mold body 1 and mold knife edge 2, mold knife edge 2 is arranged on the middle part of mold body 1, mold knife edge 2 comprises first "Ω "Type chain cover blade edge 20 and the second "Ω" type chain cover blade edge 21, a pin 200 of the first "Ω" type chain cover blade edge 20 is placed on the second "Ω" type chain cover connector In the inner arc 210 of the knife edge 21.

[0012] Further, the mold body 1 includes an upper mold 10 and a lower mold 11 , and the mold knife edge 2 is res...

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Abstract

The invention discloses a modified blanking die of a bicycle chain guard connecting piece. The modified blanking die of the bicycle chain guard connecting piece comprises a die body and a die knife edge, wherein the die knife edge is arranged in the middle of the die body, the die knife edge comprises a first omega-shaped chain guard connecting piece knife edge and a second omega-shaped chain guard connecting piece knife edge, and a pin of the first omega-shaped chain guard connecting piece knife edge is arranged in an inner round arc of the second omega-shaped chain guard connecting piece knife edge. In this way, the modified blanking die of the bicycle chain guard connecting piece can improve work efficiency and lower the production cost.

Description

technical field [0001] The invention relates to the technical field of bicycle manufacturing, in particular to an improved blanking die for a bicycle chain cover piece. Background technique [0002] In the prior art, the structure of the chain cover piece used on the bicycle is a hollow arc-shaped structure. When a stamping die is used for processing, it is usually a single blanking to ensure product quality, but the processing efficiency is low. Among them The arc-shaped material of the inner ring of the link cover is basically treated as waste after stamping, so the utilization rate of raw materials is low, and the product cost is also increased. Contents of the invention [0003] The technical problem mainly solved by the invention is to provide an improved blanking die for the bicycle chain cover piece, which can improve work efficiency and reduce production cost. [0004] In order to solve the above-mentioned technical problems, a technical solution adopted by the pr...

Claims

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Application Information

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IPC IPC(8): B21D28/14B21D28/06
Inventor 周春勇
Owner KUNSHAN LITTLE DINASAUR CHILD PROD