Rod material precision shear mould

A cutting die and precision technology, applied in the direction of shearing devices, shearing machine accessories, metal processing equipment, etc., can solve the problems of many section defects, poor quality of blank section, and low precision of blank blanking, etc., to achieve The effect of improving section quality, reducing shear deformation, and improving blanking efficiency

Inactive Publication Date: 2008-07-02
JINXI AXLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the technical difficulties of low blanking accuracy, poor section quality of the blank and many section defects in the shearing bar of the existing press, and to provide a high blanking efficiency, good section quality, Bar stock precision shearing die with less defects and can be used directly on the press

Method used

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  • Rod material precision shear mould

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Embodiment Construction

[0009] As shown in the accompanying drawings, the bar stock precision shearing die in this embodiment includes a lower template 1, a lower fixed knife rest 3 mounted on the right side of the lower template 1 through bolts 2, and a lower blade 4 arranged at a corner of the lower fixed knife rest 3 Upper formwork 10, be located at upper fixed knife rest 13 on the left side of upper formwork 10 by bolt 12, be located at the upper blade 14 of upper fixed knife rest 13 corners, wherein: it also comprises by upper clamping block 6, upper clamping The upper clamping device that spring 7, upper connecting bolt 8 and upper fixing block 9 constitute and the lower clamping device that is made of lower clamping block 15, lower clamping spring 16, lower connecting bolt 17 and lower fixing block 18; The clamping block 6 is connected with the upper fixing block 9 through the upper connecting bolt 8, the upper clamping spring 7 is arranged between the upper clamping block 6 and the upper fixin...

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PUM

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Abstract

A precision shearing die of rod material for press is composed of upper and lower die plates, upper and lower fixed cutter carriers, upper and lower cutting blades, and the upper and lower clamp units consisting of clamping block, clamping spring, screw bolt and fixed block.

Description

technical field [0001] The invention relates to a bar precision shearing die, which belongs to a bar precision shearing die used on a general press. Background technique [0002] At present, in the field of mechanical processing, the blanking of bars still adopts the method of shearing by a press. Although this method has the advantages of high blanking efficiency and low material loss rate. However, because the mold cannot be used for cutting and blanking, the use of this press cannot improve the section quality of the precision forging blank and reduce the cutting deformation. Therefore, it has the disadvantages of low blanking precision, poor cross-sectional quality of the blank and many cross-sectional defects of cutting. Contents of the invention [0003] The purpose of the present invention is to solve the technical difficulties of low precision blanking blank, poor section quality of the blank and many section defects in the shearing bar of the existing press, and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D33/02
Inventor 李永堂张立清付建华
Owner JINXI AXLE CO LTD
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