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A Shaping and Forming Process for Adjusting the Outline Dimensions of the Tooth Parts of the Geared Shaft

A technology of shape size and molding process, which is applied in the field of plastic molding technology to achieve the effect of simple structure, high molding precision and improved work efficiency

Active Publication Date: 2021-02-05
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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  • A Shaping and Forming Process for Adjusting the Outline Dimensions of the Tooth Parts of the Geared Shaft
  • A Shaping and Forming Process for Adjusting the Outline Dimensions of the Tooth Parts of the Geared Shaft
  • A Shaping and Forming Process for Adjusting the Outline Dimensions of the Tooth Parts of the Geared Shaft

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Embodiment

[0045] like image 3 The shaping and forming process for adjusting the external dimensions of the toothed part of the toothed shaft shown in the figure includes shaping the upper die shell pad 1, shaping the upper die shell 2, shaping the upper die core 2 3, shaping the lower die shell 4, shaping the lower die core pad 5. Lower backing plate 6, shaping upper die core pad 7, shaping upper die core 1 8, shaping lower die core 2 9, shaping lower die core blade 10, a set of Tama springs 11 and shaping lower die ejector pin 12, so 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 order from top to bottom. 8. The shaping upper die core 2 3, the shaping lower die core 2 9 and the shaping lower die core spacer 5 are arranged in order from top to bottom, and the shaping upper die core 2 3 is located in the shaping upper die shell 2 and the shaping lower die Between the shells 4, th...

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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 and forming process for adjusting the external dimensions of a toothed shaft with a toothed 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, spur gears, as the most typical gear parts, have complex shapes, and require high dimensional accuracy, surface quality and mechanical properties. In order to meet the needs of customers, an integrated gear with pinions (such as figure 1 , 2 shown), for the tooth shape of the tooth, due to the limitation of the working principle of the part, the design requires a straight mouth (no slope is not allowed) and the roughness requires Ra3.2, but due to the forging process, the product must be considered. For the problem o...

Claims

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Application Information

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Patent Type & Authority Patents(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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