Blanking die for sheet part with high-precision axle hole

A blanking die and high-precision technology, which is applied in the field of sheet metal forming dies and sheet metal blanking and punching metal dies, can solve problems such as shaft hole misalignment, poor shaft hole matching accuracy, and affecting motor quality.

Active Publication Date: 2016-07-13
御马精密科技(江苏)股份有限公司
View PDF6 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This defect cannot be overcome by the subsequent grinding process, so that there are inconsistencies in the fit gap between the lamination rotor of the motor and the local shaft hole of the lamination stator and the misalignment of the s

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Blanking die for sheet part with high-precision axle hole
  • Blanking die for sheet part with high-precision axle hole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] Hereinafter, the present invention will be further explained through the description of non-limiting specific embodiments with reference to the accompanying drawings.

[0024] A typical specific implementation, please refer to the attached figure 1 , 2 .

[0025] A blanking mold for a sheet material with a high-precision shaft hole, comprising an upper punch 1, a discharge plate 2 and a lower concave mold 3 elastically arranged with the upper punch 1; the upper punch 1, the discharge plate 2 and the lower die 3, according to the technical requirements of the workpiece to be processed, are manufactured by the usual technical solutions and cooperate with each other for assembly work, and they:

[0026] On the working surface of the discharge plate 2, there is a compaction plate 4 with a shaft hole 4-1 for compacting the workpiece to be processed; and the shape of the compaction plate 4 matches the shape of the workpiece to be processed, and The size of the compaction plate 4 is...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Thicknessaaaaaaaaaa
Login to view more

Abstract

The invention discloses a blanking die for a sheet part with a high-precision axle hole. The blanking die comprises an upper male die body, a discharging plate and a lower female die, wherein the discharging plate is in elastic fit with the upper male die body; the blanking die is mainly characterized in that a compacting plate used for compacting a to-be-machined workpiece is arranged on a working surface of the discharging plate. Under the working conditions of being compacted in a surface-surface manner by the compacting plate and the lower female die and being positioned by a positioning core rod, the to-be-machined workpiece with the axle hole is punched and blanked to be formed. The blanking die has the characteristics that the technical scheme is reasonable, the structure is simple, the precision of the axle hole and the precision of the position of the axle hole are high, the punching and blanking forming precision is high, and the like; the blanking die is particularly applicable to punching forming production of laminated stators of motors.

Description

Technical field [0001] The invention relates to a blanking die for sheet metal parts with high-precision shaft holes (or through holes), in particular to a blanking and punching metal die for sheet metal parts, which belongs to sheet metal forming die technology. Background technique [0002] The shaft holes in the present invention are all through holes on the sheet material that are matched with other workpieces in a precision shaft hole. [0003] The prior art blanking and punching of sheet metal workpieces with shaft holes is usually carried out by a forming blanking die connected with an upper die. Under its working conditions, the processed sheet metal workpieces existing between the discharge plate and the working surface of the lower mold micro-clearance fit are generally in a non-compacted free state, and the processed sheet metal workpieces are formed in the At the moment of blanking die punching, the "stripe structure" of the sheet metal parts suffered during the rollin...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): B21D28/14B21D28/04B21D45/04
CPCB21D28/04B21D28/14B21D45/04
Inventor 周文斌周小弟王小成
Owner 御马精密科技(江苏)股份有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap