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Automobile rear-wheel cover inner panel drawing die

A technology for drawing dies and rear wheel covers, which is applied in the field of drawing dies for the inner panels of automobile rear wheel covers, can solve the problems of complicated manufacturing process, lower mold clamping precision, dark cracks, etc., and reduce maintenance times and costs, reduce Small normal wear rate, hardness and smoothness enhancement effect

Inactive Publication Date: 2019-06-04
SHANDONG HEZE ZHENHUA PRECISION MOLD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the upper die and upper die of the drawing die for the inner panel parts of the rear wheel house of the automobile all use a double-action press, which requires a high degree of mold manufacturing, and the manufacturing process is complicated, the manufacturing cycle is long, the requirements for the use of equipment are high, and the maintenance is cumbersome. Poor equipment interchangeability
R corners and other material feeding places are prone to roughening, cracking and dark cracking, and the scrap rate is high
[0003] The upper mold, the lower mold and the blank holder of the existing automobile rear wheel house inner panel drawing die are all integral structures, which makes the mold manufacturing difficult and the manufacturing cost is high, and the existing automobile rear wheel house inner panel drawing The reliability of the positioning structure of the extended mold is poor, and the accuracy of the mold clamping decreases rapidly after a period of production, and the product quality cannot be guaranteed

Method used

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  • Automobile rear-wheel cover inner panel drawing die
  • Automobile rear-wheel cover inner panel drawing die
  • Automobile rear-wheel cover inner panel drawing die

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Embodiment Construction

[0019] For ease of description, spatially relative terms such as "upper," "lower," "left," and "right" may be used herein to describe the relationship of one element or feature relative to another element or feature shown in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an orientation of above and below.

[0020] Accompanying drawing is a kind of specific embodiment of the present invention. This embodiment includes a combination of an upper die base, a lower die base and a blank holder, the lower die base includes a lower die base 1 and a punch 2 fixed on the lower die base by screws, and the upper di...

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Abstract

The invention provides an automobile rear-wheel cover inner panel drawing die. The automobile rear-wheel cover inner panel drawing die comprises an upper die seat, a lower die seat and a blank holderassembly, wherein the lower die seat comprises a lower die seat body and a male die fixed on the lower die seat body through screws; the upper die seat comprises an upper die seat body and female dieinsert fixed on the upper die seat body through screws; and the blank holder assembly comprises a black holder seat and a blank holder insert fixedly connected to the blank holder seat through screws.By means of the automobile rear-wheel cover inner panel drawing die, the possibilities such as galling, cracking, hidden cracking, and wrinkling of parts are reduced in the drawing process, so that the rejection rate of the parts is reduced, the stability of the parts production is improved, and at the same time, the normal wear speed of the die is reduced, and the service life of the die is prolonged; a blank holder is formed by splicing inserts, thereby being convenient to repair; and due to the improvement of hardness, possibilities of die galling and normal wear speed are reduced, and thefrequency and cost of maintenance are reduced.

Description

technical field [0001] The invention belongs to the technical field of auto parts production, and relates to a drawing die for an inner plate of an automobile rear wheel house. Background technique [0002] At present, the upper die and upper die of the drawing die for the inner panel parts of the rear wheel house of the automobile all use a double-action press, which requires a high degree of mold manufacturing, and the manufacturing process is complicated, the manufacturing cycle is long, the requirements for the use of equipment are high, and the maintenance is cumbersome. The use of equipment is poor in interchangeability. R corners and other material feeding places are prone to roughening, cracking and dark cracking, and the scrap rate is high. [0003] The upper mold, the lower mold and the blank holder of the existing automobile rear wheel house inner panel drawing die are all integral structures, which makes the mold manufacturing more difficult and the manufacturin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/10B21D22/22B21D53/88
Inventor 冯勋震
Owner SHANDONG HEZE ZHENHUA PRECISION MOLD
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