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Shaping process for adjusting boundary dimension of tooth part with tooth shaft

A technology of external dimensions and molding process, applied in the field of plastic molding process, to achieve the effect of saving production cost, improving work efficiency and simple structure

Active Publication Date: 2020-02-21
JIANGSU BAOJIE FORGING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Purpose of the invention: The purpose of the present invention is to provide a shaping process for adjusting the outer dimensions of the tooth portion with a gear shaft, and to solve the problem of how to precisely shape the tooth portion with a gear shaft to meet the requirements for use

Method used

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  • Shaping process for adjusting boundary dimension of tooth part with tooth shaft
  • Shaping process for adjusting boundary dimension of tooth part with tooth shaft
  • Shaping process for adjusting boundary dimension of tooth part with tooth shaft

Examples

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Embodiment

[0045] like image 3 The shaping and forming process for adjusting the outer dimensions of the toothed part of the toothed shaft shown includes shaping the upper mold shell backing plate 1, shaping the upper mold shell 2, shaping the upper mold core 2 3, shaping the lower mold shell 4, and shaping the lower mold core pad 5, the lower backing plate 6, the shaping upper mold core backing plate 7, the shaping upper mold core one 8, the shaping lower mold core two 9, the shaping lower mold core knife edge 10, one group of Tama springs 11 and the shaping lower mold ejector pin 12, all The shaping upper mold shell backing plate 1, the shaping upper mold shell 2, the shaping lower mold shell 4 and the lower backing plate 6 are arranged in sequence from top to bottom, and the shaping upper mold core backing plate 7, the shaping upper mold core 1 8. Shaping upper mold core 2 3, shaping lower mold core 2 9 and shaping lower mold core cushion block 5 are set in sequence from top to botto...

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Abstract

The invention discloses a shaping process for adjusting the boundary dimension of a tooth part with a tooth shaft. The shaping process comprises the following steps of: 1) making a shaping upper die shell and a shaping lower die shell in an open die state; 2) placing the tooth part with the tooth shaft in a tooth part shaping cavity; 3) closing a shaping upper die core II and a shaping lower die core II; 4) extruding the tooth part with the tooth shaft in the tooth part shaping cavity to form a specified boundary dimension; 5) opening the shaping upper die shell and the shaping lower die shell; 6) pushing the shaping lower die core II by a shaping lower die ejector rod; 7) ejecting the shaped tooth part with the tooth shaft in the shaping lower die core II; 8) cutting burrs or glitches onthe outer wall of the shaped tooth part with the tooth shaft by a knife edge of the shaping lower die core; and 9) taking the shaped tooth part with the tooth shaft out of the shaping lower die core II. By the shaping process, the axial dimension and the boundary dimension of the tooth part can be simultaneously shaped, the working efficiency and the product quality are improved, and the shaping process is suitable for production and use requirements.

Description

technical field [0001] The invention belongs to the technical field of general mechanical equipment manufacturing, and in particular relates to a shaping process for adjusting the external dimensions of the teeth of a geared shaft. Background technique [0002] As one of the most basic parts in the mechanical transmission system, gears are widely used in the engineering field, especially in the equipment manufacturing industry. Among them, the spur gear is the most typical gear part, its shape is relatively complex, and the dimensional accuracy, surface quality and mechanical properties are very high. In order to meet the needs of customers, an integrated gear with a pinion (such as figure 1 , 2 As shown), for the tooth shape of the tooth part, due to the limitation of the working principle of the part, the design requires that the part is straight (no slope is allowed) and the roughness requirement is Ra3.2, but due to the forging process, the product must be considered F...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/08B21D37/12B21D3/00B21D3/16B21D28/14B21D43/00B21D45/04
CPCB21D3/00B21D3/16B21D28/14B21D37/08B21D37/12B21D43/003B21D45/04
Inventor 陆以春王正国
Owner JIANGSU BAOJIE FORGING
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