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Processing method of groove shape of electric motor blanking die

A technology of motor punching and processing methods, which is applied in the field of mold manufacturing, can solve problems such as groove shape and upper punching processing difficulties, and achieve the effect of overcoming processing difficulties

Active Publication Date: 2017-08-22
NINGXIA NORTHWEST HORSE ELECTRIC MFG
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] In the process of motor punching, it is necessary to punch out the shape of the buckle during blanking. When processing the blanking die, the corresponding groove shape and upper punch must be processed on the inner and outer edge rings. At this time, a wire cutting machine must be used for cutting. At present, the working table stroke of the largest wire-cutting machine tool is 1000mm, but the groove size of the blanking die exceeds this range, which makes it difficult to process the groove shape and upper punch

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The processing method of the groove shape of the blanking die of the electric motor is to rotate the blanking die to process the groove shape and the upper punch in stages, and to control the inner and outer edge rings of the blanking die from being out of position during the processing.

[0014] The mold used for the batch processing of the blanking die is a secondary indexing mold. The mold is a semicircular structure. There is a clamping position on the mold. The center of gravity of the mold falls on the working table of the wire cutting machine tool and cannot fall on the wire. The edge of the table of the cutting machine.

[0015] In order to ensure that the inner and outer blade rings of the blanking die are not out of position, inserts and positioning blocks are used for positioning. After each groove is processed, the insert is inserted into the processed groove to ensure that the inner and outer blades are not out of position, and then The blanking die is inde...

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Abstract

The invention provides a method for forming a retaining groove of a motor stamping blanking die. The blanking die is rotated to form the groove and an upper punch in different steps; in the processing course, the inner and outer cutting edge rings of the blanking die are controlled not to be dislocated. The method is capable of well forming the groove and the upper punch of the blanking mold through a linear cutting machine of a 1000mm travel machine tool and thus overcoming the processing difficulty due to that the groove size is beyond the travel of a worktable of the machine tool.

Description

[0001] Technical field: [0002] The invention relates to the field of mold manufacturing, in particular to a method for processing a groove shape of a blanking die of a large-scale electric motor. [0003] Background technique: [0004] In the process of motor punching, it is necessary to punch out the shape of the buckle during blanking. When processing the blanking die, the corresponding groove shape and upper punch must be processed on the inner and outer edge rings. At this time, a wire cutting machine must be used for cutting. At present, the working table stroke of the largest wire-cutting machine tool is 1000mm, but the groove size of the blanking die exceeds this range, which makes it difficult to process the groove shape and upper punch. [0005] Invention content: [0006] In view of this, it is necessary to provide a method for processing the groove shape of the blanking die of the electric motor. [0007] The invention relates to a method for processing the groov...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H7/02
CPCB23H7/02
Inventor 马彩艳宗红李自春
Owner NINGXIA NORTHWEST HORSE ELECTRIC MFG
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