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Device for unidirectional straight drawing forming of high-strength metal wire

A metal wire, straight-forward technology, applied in the direction of wire drawing dies, etc., can solve the problems of performance impact, poor dimensional stability of finished products, etc., and achieve stable quality, reduced bending and twisting, and good quality.

Active Publication Date: 2014-08-27
湖北三江航天江北机械工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally speaking, the residual stress has a significant impact on the mechanical properties of the steel wire, resulting in poor dimensional stability of the finished product

Method used

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  • Device for unidirectional straight drawing forming of high-strength metal wire
  • Device for unidirectional straight drawing forming of high-strength metal wire
  • Device for unidirectional straight drawing forming of high-strength metal wire

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Embodiment Construction

[0047] The present invention will be further described in detail below with reference to the drawings and specific embodiments:

[0048] See Figure 1 to Figure 7 , The one-way straight wire drawing device for high-strength metal wire of the present invention includes a tower wheel set 2, a die box 3, an embedded wire drawing die 4, a wire crimping wheel 5, a traction wheel 6, and a reversing wire wheel 7. Longitudinal drawing die 8 and nozzle 9.

[0049] See Figure 2 to Figure 7 , All tower wheel groups 2 are arranged in a straight line, every two tower wheel groups 2 are arranged in the same direction, and the two adjacent pairs of tower wheel groups 2 are arranged in opposite directions, the first pair of tower wheel groups 2 and the third pair of tower wheels Group 2 is arranged in a regular trapezoid with a small head and a big bottom, and the second pair of tower wheels 2 is arranged in an inverted trapezoid with a small head and big bottom. There are three pairs of tower w...

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Abstract

The invention discloses a device for unidirectional straight drawing forming of a high-strength metal wire. The device comprises cone pulley sets composed of cone pulleys. A wire drawing mold box with a mounting base is arranged between the cone pulley sets. An embedded wire-drawing mold with an embedded wire-drawing axle hole is arranged on the mounting base. The central axis of the embedded wire-drawing axle hole is arranged horizontally. A wire passing groove is arranged on the mounting base. The lower part of the mounting base has inclined gradient the same as the cone pulley set gradient. A wire-pressing wire-passing pulley is arranged between the cone pulley sets at a wire-inlet end and the embedded wire-drawing axle hole. The inner tangent line of the wire-pressing wire-passing pulley, the side wall tangent lines of the cone pulleys and the central axis of the embedded wire-drawing axle hole are coincident. The cone pulley having the largest diameter in the cone pulley sets at a wire-outlet end is connected to a traction wheel by a metal wire rod. The device can reduce torsion deformation in a drawing process, reduce additional stress produced by non-uniform drawing, has a low sliding coefficient, can produce the high strength metal wire rod and is widely suitable for metal wire rod deep-processing equipment.

Description

Technical field [0001] The invention relates to deep processing equipment for high-strength metal wires, in particular to a single-direction straight-forward drawing device for high-strength metal wires. Background technique [0002] With the trend of light weight, low rolling resistance and good fatigue resistance of tires becoming more and more obvious, the strength of steel wire used in steel cord has gradually changed from ordinary strength and high strength (steel strength greater than 2250MPa, 2750MPa-3050MPa) to ultra-high strength. (3050~3350MPa) and ultra-high strength (steel wire strength greater than 4000MPa) transition. [0003] In the drawing process of high-strength metal wire, the uneven deformation of the wire will generate additional stress, and at the same time, residual stress will be generated after drawing. Generally speaking, the residual stress has a significant impact on the mechanical properties of the steel wire, resulting in poor dimensional stability of...

Claims

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Application Information

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IPC IPC(8): B21C1/04B21C3/14B21C1/14
Inventor 赖银燕张世坤任晗卓艾宝
Owner 湖北三江航天江北机械工程有限公司
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