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Composite process for bending and punching external protecting ring of steel reel and moulds thereof

A technology for punching punches and steel coils, which is applied in the field of steel coil outer retainer bending, punching compound technology and molds, which can solve the problems of high production cost, labor and time-consuming, complicated process, etc. cost effect

Inactive Publication Date: 2006-11-01
上海宝钢工贸实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] The disadvantage of the above-mentioned process is that the process is complicated, and there are four processes in total, which is labor-intensive and time-consuming, and the production cost is high

Method used

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  • Composite process for bending and punching external protecting ring of steel reel and moulds thereof
  • Composite process for bending and punching external protecting ring of steel reel and moulds thereof
  • Composite process for bending and punching external protecting ring of steel reel and moulds thereof

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Embodiment Construction

[0023] specific implementation plan

[0024] Now give an embodiment of the composite process of bending and punching the steel coil outer retainer of the present invention, and its steps are as follows:

[0025] 1. Coil the steel strip into a steel strip, the size of which is 4000mm long and 140mm wide.

[0026] 2. The strip steel strip is bent and formed, and the angle of the bending is 88°. At the same time, 20 holes are punched, and the distance between each hole is equal. Of course, it is okay to be slightly different.

[0027] 4. Finally, use the angle steel machine to round the angle steel material.

[0028] The mold of the present invention is a special mold for manufacturing the outer retaining ring of steel coils. It can bend and shape strip steel strips. The angle of bending is 88°. At the same time, 20 holes are punched, and the distance between each hole is the same. The whole process Can be done in one stamping process. The mold of this embodiment is composed o...

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Abstract

A technology for bending the protecting ring of coiled steel and punching holes on it includes such steps as decoiling steel band, shearing to become steel strip, bending to become angular strip while punching 20 holes, and rounding. Its die set is composed of a female die unit consisting of lower die holder and combined bending and punching female die, and a male die unit consisting of upper die holder, bending male die, punching male die, and guide rods.

Description

technical field [0001] The invention relates to a composite process of bending and punching an outer retaining ring of a steel coil and a mold thereof. It is mainly used in the production of protective materials for steel coils in steel plants. The purpose is to prevent the steel coils from being damaged due to collisions during transportation. The damaged parts are usually at the outer corners of the two ends of the steel coils. Background technique [0002] The production and processing process of the original outer retainer is as follows: [0003] 1. Uncoil the strip steel coil and cut it into strip steel strips, [0004] 2. Bending strip steel strips into strip steel corners, [0005] 3. Round the strip steel corner material, [0006] 4. Manually punch 20 holes. [0007] The disadvantage of the above-mentioned process is that the process is complicated, and there are four processes in total, which is labor-intensive and time-consuming, and the production cost is high...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D22/00
Inventor 周军徐惠明
Owner 上海宝钢工贸实业有限公司
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