Mold for external plate of rear wall of automobile
A technology of enclosure and mould, which is applied in the field of auto parts moulds, can solve problems such as low production efficiency, a large number of operators, and unstable parts quality, and achieve the effects of cost saving, uniform material feeding, and not easy to crack
Inactive Publication Date: 2016-09-07
SHANGHAI ZHONGDA AUTO PARTS
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Problems solved by technology
Previously, the mold was divided into 4 processes, which required four strokes during production, requiring a large number of operators, the production efficiency was not high, and the quality of the parts was not stable enough
Method used
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Embodiment 1
[0027] A mold for the rear panel of an automobile, such as Figures 1 to 2 As shown, the mold is a continuous combined mold, including an upper mold assembly, a lower mold assembly and a guide sleeve guide post assembly 3, the lower mold assembly includes a lower die plate 1 and a lower die punch, and a lower die plate is provided below the lower die plate 1. The inner mold strip 12, the upper mold assembly includes the upper template 2 and the upper mold concave mold, and the lower mold punch includes a drawing punch 4, a trimming punch punch 6, and a flanging shaping punch arranged in sequence along the feeding direction of the material belt. 8 and punching and separating punch 10, the upper die includes drawing punch 4, edge trimming punch 6, flanging shaping punch 8 and punching separation punch 10. Drawing punch 5, Trimming and punching die 7, flanging shaping die 9 and punching separation die 11, the die is used to complete the drawing, trimming and punching, flanging sh...
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The invention relates to a mold for an external plate of a rear wall of an automobile. The mold for the external plate of the rear wall of the automobile comprises an upper mold assembly, a lower mold assembly and a guide sleeve and guide column assembly, wherein the lower mold assembly comprises a lower mold plate and a lower male mold; the upper mold assembly comprises an upper mold plate and an upper female mold; the lower male mold comprises a drawing male mold, an edge trimming and hole piercing male mold, a flange shaping male mold and hole piercing separating male mold; and the upper female mold comprises a drawing female mold, an edge trimming and hole piercing female mold, a flange shaping female mold and a hole piercing separating female mold which are respectively matched with the drawing male mold, the edge trimming and hole piercing male mold, the flange shaping male mold and the hole piercing separating male mold. By one-time mold closing, drawing, edge trimming and hole piercing, flange shaping and hole piercing separating on the external plate of the rear wall of the automobile are finished. Compared with the prior art, the mold for the external plate of the rear wall of the automobile has the advantages of long service life, safety, reliability, low cost and the like.
Description
technical field [0001] The invention relates to a mold for automobile parts, in particular to a mold for an automobile rear wall outer panel. Background technique [0002] As an indispensable part of the car body, the car rear wall outer panel plays a particularly important role in the stability of its quality for the safety of the car. Previously, this mold was divided into 4 processes, and four strokes were required for production, which required a large number of operators, the production efficiency was not high, and the quality of the parts was not stable enough. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a mold for automobile rear wall outer panel with long service life, safety, reliability and low cost in order to overcome the above-mentioned defects of the prior art. [0004] The object of the present invention can be realized through the following technical solutions: [0005] A mold for an automobile rear wall outer pane...
Claims
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IPC IPC(8): B21D37/08B21D43/00B21D53/88
CPCB21D37/08B21D43/003B21D53/88
Inventor 丛培民孙海亮徐丽莉
Owner SHANGHAI ZHONGDA AUTO PARTS