Multi-station punching die
A stamping die and multi-station technology, applied in the field of stamping dies, can solve the problems of difficult quality assurance, poor batch processing consistency, and easy cracking, etc., and achieve the effect of high product size accuracy, high production efficiency, and good batch product consistency
Inactive Publication Date: 2013-05-08
邱辰辰
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Problems solved by technology
At present, the five concave grooves of this product need to be stamped one by one, which is time-consuming, laborious and inefficient, and the consistency of batch processing is poor, and the quality is difficult to guarantee
However, if the upper and lower molds are used for one stamping, the horizontal steel plate is prone to cracking under strong pressure, especially the transitional part is more prone to cracking.
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[0012] see figure 2 . The upper mold base 1 and the lower mold base 2 are respectively fixedly arranged on the upper working surface 3 and the lower working surface 4 of the press. The first convex template 11 and the second convex template 14 are fixedly arranged on the lower plane of the upper mold base 1; the first concave template 21 and the second concave template 23 are matched with the first convex template 11 and the second convex template 14 respectively, and The set type is fixedly arranged on the lower mold base 2. The key innovation point of the present invention is that the middle convex plate 12 located on the upper die base 1 is a telescopic formwork, and the convex plate is suspended on the upper die base 1 by a telescopic guide mechanism. Workpiece positioning device.
[0013] The telescopic guiding mechanism is composed of two guide posts 125 , a screw rod 122 and a middle casing 13 . The screw 122 is fixedly screwed in the middle screw hole of the middl...
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The invention discloses a multi-station punching die, comprising an upper die holder and a lower die holder which are arranged oppositely. Three convex templates are arranged in parallel on the surface of the upper die holder corresponding to the lower die holder. Three concave templates are arranged in parallel on the surface of the lower die holder corresponding to the upper die holder. The convex templates and the concave templates are opposite and matched with each other. Wherein the middle convex template of the three convex templates is a stretchable template; the middle convex templateis suspended on the upper die holder through a stretchable guide mechanism; and two sides of the stretchable guide mechanism are provided with work-piece locating devices. In the invention, the middle convex template of the upper die holder is designed into a stretchable structure, which is used for partly forming in advance; a forming part is in the middle of a work-piece; force stressed on a horizontal steel plate is dispersed, lessened and uniform; therefore, the cracking phenomenon is avoided; the work-piece can be punched into a steel plate with five grooves at one time; and the multi-station punching die has the advantages of good consistency of batch products, high product size precision and high production efficiency.
Description
【Technical field】 [0001] The invention belongs to a stamping die, in particular to a multi-station stamping die capable of stamping a strip-shaped horizontal steel plate to form a plurality of concave grooves at one time. 【Background technique】 [0002] figure 1 Shown is a strip-shaped steel plate product a with five concave grooves, two of the five concave grooves are convex concave grooves b and f of the same shape, and three are concave downward grooves of the same shape Concave grooves c, d and e. At present, the five concave grooves of this product need to be stamped one by one, which is time-consuming, laborious and inefficient, and the consistency of batch processing is poor, and the quality is difficult to guarantee. However, if the upper and lower dies are clamped for one stamping, the horizontal steel plate is prone to cracking under strong pressure, especially the transitional part is more prone to cracking. 【Content of invention】 [0003] In order to solve t...
Claims
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IPC IPC(8): B21D37/10
Inventor 沈增喜周建明
Owner 邱辰辰