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Stamping die

A technology of stamping dies and punches, applied in forming tools, manufacturing tools, metal processing equipment, etc., can solve the problems of fractured layers, tolerances, and impact on product quality at the serrated end, so as to ensure flatness and product quality. Effect

Inactive Publication Date: 2012-06-13
苏州千仓精密电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the existing continuous mold, due to the certain stroke between the upper mold and the lower mold, there will be tolerances in the stamping process, resulting in a fracture layer on the punching surface of the sawtooth end, which affects product quality

Method used

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Embodiment Construction

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0015] The invention provides a stamping die, see figure 2 As shown, it includes an upper formwork 21, a lower formwork 22 and a discharge plate 23, a guide column 24 is arranged on the corner of the lower formwork 22, a guide sleeve 25 is provided on the upper formwork 21, and the guide column 24 and the guide sleeve 25 cooperate , so that the upper template 21 and the lower template 22 maintain a certain stroke and coaxiality.

[0016] The punch 26 includes a f...

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Abstract

The invention discloses a stamping die which comprises an upper template, a lower template, a punch and a discharge plate, wherein the discharge plate is provided with a through hole for the punch to pass through; the punch comprises a fixed end, a stamping convex die and a guide end; the fixed end is fixedly connected with the upper template; the stamping convex die is located above the guide end; the lower template is provided with a stamping concave die corresponding to the stamping convex die; and a guide hole corresponding to the guide end is arranged below the stamping concave die. Through the stamping die disclosed by the invention, the stamping section of the stamping part is a full-bright belt without a broken layer, thereby ensuring the flatness, reaching a zero-tolerance effect and guaranteeing the product quality.

Description

technical field [0001] The invention relates to a stamping die, in particular to a stamping die for stamping sawtooth products. Background technique [0002] At present, in some precision instruments, the movement of the pointer in the dial is driven by sawtooth parts, see figure 1 The schematic diagram of the structure of the sawtooth part is shown. In order to ensure the accuracy of the instrument, the punching surface of the sawtooth end 11 on the sawtooth part is required to have a high straightness, that is, no fracture layer is generated on the punching surface, so as to ensure the transmission of the sawtooth part. precision. [0003] In the prior art, the gear hobbing machine is usually used for processing. However, the gear hobbing machine only processes the sawtooth end, and other processes are required for the entire sawtooth part. Therefore, the use of a gear hobbing machine not only has low processing efficiency, but also cannot guarantee the straightness of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/10
Inventor 宋全男
Owner 苏州千仓精密电子有限公司