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Forming tool for draw spring mouth closing

A technology for forming tooling and tension springs, applied in the field of spring manufacturing, to avoid inconsistent product sizes, improve work efficiency, and avoid dimensional errors

Pending Publication Date: 2019-01-18
南京弹簧有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to provide a forming tooling for the extension spring closure, which can solve the production problem of the extension spring closure and ensure the stability of the total length of the produced extension spring parts

Method used

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  • Forming tool for draw spring mouth closing

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Embodiment Construction

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0015] In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referre...

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Abstract

The invention discloses a forming tool for draw spring mouth closing. The tool comprises a mold handle, an upper module, a lower module, a template and a fixing screw; the lower module is fixed to thetemplate by the fixing screw, the upper module is arranged on the lower module, and the mold handle is fixed to the upper module; during working, a draw spring before the draw spring to be processedis combined is placed on the lower module, the punching machine drives the mold handle, thereby driving the upper module to move up and down, the draw spring before combination is closed and processed, a hook of the draw spring is processed, and the combined draw spring is processed. The tool improves the dimensional stability of produced draw spring parts and improves work efficiency.

Description

1. Technical field [0001] The invention relates to the technical field of spring manufacturing, in particular to a forming tool for closing the mouth of a tension spring. 2. Background technology [0002] Extension springs are helical springs that bear axial tension. Extension springs are generally made of circular cross-section materials. When not under load, the coils of the extension spring are generally tight and there is no gap. Extension springs are suitable for high and low temperature, corrosion-resistant and other working environments. The materials mainly include stainless steel spring wires, carbon steel wires, oil quenched and tempered alloy spring wires, high and low temperature alloy spring wires, etc. [0003] At present, in the production process, manual combination processing is usually used for the combined production of extension springs and draw hooks. The labor intensity of production workers is high and the efficiency is low. Different production worke...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21F35/02
CPCB21F35/02
Inventor 高峰胡龙庆黄晓必
Owner 南京弹簧有限公司
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