Multi-layer wave spring winding device and winding method

The technology of a wave spring and a winding method is applied in the production field of a multi-layer wave spring, and can solve the problems of sector deformation, the deviation of the coaxiality between the multi-layer wave spring coil and the coil, the unsatisfactory winding method of the multi-layer wave spring, etc. The effect of eliminating gaps and ensuring coaxiality

Active Publication Date: 2015-04-01
GUIZHOU HONGLIN MACHINERY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, in the actual production, after the winding process of the multi-layer wave spring is completed, the gap between the coils exceeds the requirement. In addition, because the steel strip is different from the steel wire, the steel strip is different in the force position during the winding process. Fan-shaped deformation is easily generated during the winding process, and it is difficult to wind vertically into a spring, which is prone to the problem of large deviation of the coaxiality between the multi-layer wave spring coil and the coil
Therefore, the existing multilayer wave spring winding method is still not ideal enough to meet the design requirements.

Method used

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  • Multi-layer wave spring winding device and winding method

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Embodiment

[0017] The processing technology of multi-layer wave spring is: blanking → fitter → lathe winding → preliminary processing → cold stamping mold pressing → heat treatment setting → finishing → supplementary tempering → inspection → summary inspection.

[0018] The winding device of multi-layer wave spring is as figure 1 As shown, including a mandrel 1, a rectangular spiral groove 2 is provided on the surface of one end of the mandrel 1, and a collar 3 is sleeved near the end of the rectangular spiral groove 2, and an axial through groove 4 is provided on the circumference of the collar 3, The nut 6 compresses and fixes the collar 3 on the mandrel 1 through the washer 5 , so that the through groove 4 on the collar 3 is aligned with the starting end of the rectangular spiral groove 2 . Such as figure 2 As shown, the groove width of the rectangular spiral groove 2 is 1.5 mm, and the groove depth is 2.2 mm; the groove width of the through groove 4 is 1.6 mm, and the groove de...

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Abstract

The invention discloses a multi-layer wave spring winding device and winding method. The multi-layer wave spring winding device comprises a mandrel (1) and is characterized in that a rectangular spiral groove (2) is formed in the surface of one end of the mandrel (1), a clamp ring (3) sleeves the end near the rectangular spiral groove (2), an axial through slot (4) is formed in the circumference of the clamp ring (3), a nut (6) compresses the clamp ring (3) and fixes the clamp ring on the mandrel (1) through a gasket (5), and the through slot (4) in the clamp ring (3) is aligned to the initial end of the rectangular spiral groove (2). The multi-layer wave spring winding device is simple in structure, convenient and fast to process and capable of shortening the gaps between circles of the multi-layer wave spring and guaranteeing the coaxiality of the multi-layer wave spring so as to enable the multi-layer wave spring to meet use requirements.

Description

technical field [0001] The invention relates to a manufacturing method of a multilayer wave spring, in particular to a winding device and a winding method of a multilayer wave spring. Background technique [0002] Ordinary single-layer wave springs are elastic elements with several peaks and valleys on a metal ring, while multi-layer wave springs seem to be composed of several ordinary single-layer wave springs. The difference is that it is not a simple superposition , but it is processed by the continuous winding process of steel strip. However, after the multi-layer wave spring is wound and formed, due to the rebound effect of the material, there must be a gap between the coils of the multi-layer wave spring. Although there is no standard for the gap between the coils of the wave spring, it is hoped that the gap Minimization, HB5869-90 "Technical Conditions for Stainless Steel Wire Cylindrical Helical Compression and Tension Springs" stipulates that the gap between the co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21F3/04
Inventor 梅婷袁洪梅
Owner GUIZHOU HONGLIN MACHINERY
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