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Wire rod straightening device for screw

A technology for straightening and wire rods, which is applied in the field of screw wire straightening devices and screws, can solve the problems of low straightening efficiency and achieve the effect of improving straightening efficiency

Inactive Publication Date: 2019-07-26
HAIYAN NEW SHENGDA FASTENER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wire with a small bend and just disassembled from the round state has both a large bend and a small bend. It needs to be straightened multiple times by the existing straightening machine, and the straightening efficiency is low.

Method used

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  • Wire rod straightening device for screw

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Experimental program
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Effect test

Embodiment Construction

[0017] see figure 1 , a wire straightening device for screws in the present invention, comprising a frame 1, a guide unit 2, a pre-bending unit 5, a longitudinal straightening unit 6, a transverse straightening unit 7 and an input roller 8, the input roller 8, the pre-bending unit 5, The bending unit 5, the guide unit 2, the longitudinal straightening unit 6 and the transverse straightening unit 7 are sequentially fixed on the frame 1, and the pre-bending unit 5 includes an upper pressing roller 53 driven by a cylinder 52 to move up and down and an upper roller 53 located on the upper The lower pressure roller 54 under the pressure roller 53 and driven by the third motor 55 to rotate, the two sides of the upper pressure roller 53 and the lower pressure roller 54 are respectively provided with side pressure rollers 51, and the guide unit 2 includes two vertical The vertical guide roller 21 that is arranged vertically and forms the parallel gap and two horizontal guide rollers 2...

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PUM

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Abstract

The invention discloses a wire rod straightening device for a screw. The wire rod straightening device for the screw comprises a rack, a guiding unit, a pre-bending unit, a longitudinal straighteningunit, a transverse straightening unit and an input roller. The pre-bending unit comprises an upper compression roller driven by an air cylinder to move up and down and a lower compression roller located below the upper compression roller and driven by a third motor to rotate. Side compression rollers are separately arranged on two sides of the upper compression roller and the lower compression roller. The longitudinal straightening unit comprises a first straightening box, a plurality of longitudinal straightening wheels fixed to the first longitudinal straightening box and a fourth motor which drives the longitudinal straightening wheels to rotate. The transverse straightening unit comprises a second straightening box, a plurality of transverse straightening wheels fixed to the second straightening box and a fifth motor which drives the transverse straightening wheels to rotate. Heating strips are also separately arranged in the first and second straightening boxes. The wire rod straightening device for the screw can straighten big and small curves of the wire rod.

Description

[0001] 【Technical field】 [0002] The invention relates to the technical field of screws, in particular to the technical field of a wire straightening device for screws. [0003] 【Background technique】 [0004] The screw preparation process includes steps such as wire coiling, wire drawing and cutting, cold heading, tooth rolling, heat treatment and electroplating. The wire rods are hot-rolled round steel supplied in coils with a diameter of 5 to 9 mm in total and eight specifications. Because they are delivered in coils, they are also called wire rods. Before the wire is used, it usually needs to be straightened by a wire straightening device. The wire straightening device is a device for straightening the wire. It squeezes the wire through the straightening roller to change the straightness of the wire. The traditional straightening machine consists of a frame and two rows of staggered straightening rollers arranged horizontally on the frame. Since the direction of the stra...

Claims

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Application Information

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IPC IPC(8): B21F1/02
CPCB21F1/02
Inventor 王峰伟
Owner HAIYAN NEW SHENGDA FASTENER
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