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Method for thickening annular outer edge of circular plate material

A circular plate and outer edge technology, which is applied in the field of plate forging and forming, can solve the problems of harsh blanking and many spinning passes, and achieve the effects of lower requirements, stable quality and high product strength

Active Publication Date: 2012-05-23
HUBEI LIOHO TIANLUN MACHINERY
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Problems solved by technology

[0006] The invention provides a method for thickening the annular outer edge of a circular plate, which solves the problems of harsh blanking and too many spinning passes existing in the existing method for thickening the annular outer edge of a circular plate, and is used for the production of flywheel ring gears. Edge thickening of disc-shaped or ring-shaped parts such as blanks and belt pulley blanks

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  • Method for thickening annular outer edge of circular plate material
  • Method for thickening annular outer edge of circular plate material
  • Method for thickening annular outer edge of circular plate material

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[0033] The forming principle of the present invention is as figure 1 As shown: the circular plate 2 is placed on the lower spindle 3, the upper spindle 1 goes down, and rotates together with the lower spindle 3 after clamping the circular plate 2, and the rolling wheel 4 with the annular rolling groove is fed radially until Exit after reaching the predetermined position, and the rolling wheel 4 is passively rotated.

[0034] like figure 2 Shown is an embodiment of the present invention, the first rolling wheel 4-1, the second rolling wheel 4-2, the third rolling wheel 4-3, the fourth rolling wheel 4-4 are set on the outer edge of the circular plate; Each rolling wheel has an annular rolling groove. During the forming process, after the circular sheet 2 is clamped by the upper spindle 1 and the lower spindle 3, the circular sheet 2 rotates with the spindle, and the four rolling wheels move in sequence. The first rolling wheel is fed and extruded in the radial direction until...

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Abstract

The invention relates to a method for thickening the annular outer edge of a circular plate material, and belongs to a method for forging and forming plates. The method for thickening the annular outer edge of the circular plate material solves the problems of rigorous blanking and overmany spinning passes in the conventional method for thickening the outer edge of the circular plate material. Inthe method for thickening the annular outer edge of the circular plate material, N rolled wheels are arranged on the outer edge of the circular plate material; an annular rolled groove is formed on each rolled wheel; the section of the rolled groove has an open rectangular shape; the circular plate material is positioned in the rolled groove and rotates around a longitudinal shaft of the circularplate material; the N rolled wheels feed and extrude the outer edge of the circular plate material radially and sequentially; and after one rolled wheel feeds and extrudes the outer edge of the circular plate material radially and withdraws, the next rolled wheel feeds and extrudes the outer edge of the circular plate material radially and withdraws, so that the annular outer edge of the circularplate material is thickened sequentially. When disk-shaped or annular parts are produced by the method, if an increased thickness is smaller, fewer steps can be adopted; in a forming process, the defect that the outer edge is not filled is overcome; and even if blanks are slightly small, wastes are still not formed and the blanking requirement is not reduced. Products produced by the method have strong strength and stable quality, are not influenced by a welding process, and saves materials and energy.

Description

technical field [0001] The invention belongs to a plate forging forming method, in particular to a method for thickening the annular outer edge of a circular plate. Background technique [0002] Spin forming technology is usually used to form rotary cylinder or disk. Many people have studied the spinning forming technology of cylindrical parts, see ① Xia Qinxiang et al. Numerical simulation and experimental research on single-pass deep-drawing and spinning of conical parts, Forging Technology, 2010, 35(1): 44 -49, (2); ②Luo Duyu, Xia Qinxiang. Research on Process Parameters of Drawing and Spinning Cup Based on Orthogonal Test. Precision Forming Technology, 2010, (2): 43-48; ③Zhang Yanqiu, Jiang Shuyong, Sun Jinfeng, etc. Thin-walled Research on multi-pass ball spinning forming mechanism of cylindrical parts. Forging Technology, 2010, 35(2): 55-58; ④Liu Tao, Long Siyuan, Li Bing. Spinning forming process and die design of magnesium alloy cylindrical parts. Mold Technology, ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21H1/04
Inventor 金俊松汤桃红夏巨谌胡国安王新云周孟祥
Owner HUBEI LIOHO TIANLUN MACHINERY
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