One-time forming system of spring bars former, and forming method of spring bars

A technology of forming machine and elastic strip, applied in the field of elastic strip production, can solve the problems of easy drawing and thinning of the bar material, the temperature of the bar material dropping too much, and the forming operation being complicated.

Active Publication Date: 2013-09-04
ANHUI CHAOHU CASTING FACTORY
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Problems solved by technology

[0003] This production process has the following disadvantages: ①There are many molding processes, affected by human factors, mold adjustments, and multiple molding positioning benchmarks, the size of the product fluctuates greatly, the consistency is poor, and the first-time pass rate of the product is low
②The punch forming speed is fast, the bar is easy to thin, and the mechanical p

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  • One-time forming system of spring bars former, and forming method of spring bars
  • One-time forming system of spring bars former, and forming method of spring bars
  • One-time forming system of spring bars former, and forming method of spring bars

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[0029] Hereinafter, the present invention will be further described in detail based on the drawings and embodiments.

[0030] figure 1 This is the front view of the one-step forming system of the elastic strip forming machine in this case. figure 2 This is the side view of the one-step forming system of the elastic strip forming machine in this case, and refer to it together figure 1 , figure 2 , In the present invention, the one-time forming system of the elastic strip forming machine includes an upper mold 7, a lower mold 3, an upper positioning column 5, a lower positioning column 6, a middle push arm 2, two side push arms 1, two limb push arms 4;

[0031] Among them, the surface of the upper mold 7 and the surface of the lower mold 3 are directly opposite;

[0032] The upper positioning posts 5 and the lower positioning posts 6 are both provided with two, the above two upper positioning posts 5 are symmetrically fixed above the surface of the lower mold 3, and the lower positi...

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Abstract

The invention discloses a one-time forming system of a spring bars former. The one-time forming system comprises an upper die, a lower die, two upper positioning posts, two lower positioning posts, a middle push arm, two side push arms, and two limb push arms. The surface of the upper die faces the surface of the lower die. The upper positioning posts are fixed above the surface of the lower die in a bilaterally symmetric manner. The lower positioning posts are fixed below the surface of the lower die in a bilaterally symmetric manner. The middle push arm is disposed above the lower die. The side push arms are symmetrically disposed on two sides of the middle push arm. The limb push arms are symmetrically disposed on two sides of the lower die and are lower than the lower positioning posts in horizontal height. The invention further discloses a forming method of spring bars. The one-time forming system and the forming method of spring bars have the advantages that one-time forming of spring bars is achieved and production efficiency is improved.

Description

technical field [0001] The invention relates to a primary forming system of a spring forming machine and a forming method of a spring, belonging to the technical field of spring production. Background technique [0002] The elastic strip is the main part of the fastening system of the passenger dedicated line, such as the W1 type elastic strip, the W2 type elastic strip, etc., and its appearance is shown in Figure 4 . The diameter of the elastic bar is about 14mm. At present, the forming process used in China is mainly three-time stamping forming, which requires three punching machines and three sets of molds. The shape of the workpiece after each forming is shown in Figure 4 , refer to Figure 4 , (a)—the shape of the workpiece after one step of forming (b)—the shape of the workpiece after the second step of forming (c—the shape of the workpiece after three steps of forming. [0003] This production process has the following disadvantages: ① There are many molding process...

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Application Information

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IPC IPC(8): B21D11/08B21D11/22
Inventor 李一兵缪家泉吴恒志罗运动张磊刘琳胡晓春吕丽平
Owner ANHUI CHAOHU CASTING FACTORY
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