Top cropping mould for car decorative part with strip-shaped abnormal section
A special-shaped cross-section and car decoration technology, applied in the field of metal stamping, can solve the problems of time-consuming and labor-intensive threading, increased mold and product manufacturing costs, and low work efficiency.
Active Publication Date: 2014-08-27
LINGYUN INDAL CORP
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Problems solved by technology
[0003] At present, the cutting head processing of such parts usually adopts a fixed cutter. When feeding, the workpiece needs to be inserted into the lower die according to the arc shape of the product. Since the cross section of the product is generally very narrow, it takes time and effort to thread the material; in addition, this processing method can only When punching one end of a part, the other end needs to be punched in the next process to determine the length of the part. In order to ensure the accuracy of the product length, an accurate positioning mechanism must be set, which increases the difficulty of debugging and production. Not only is the work efficiency low and the production cycle is long, it also increases the manufacturing cost of molds and products
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[0025] Referring to Fig. 3, the present invention comprises two head-cutting die units 1 and an intermediate supporting block 2 with the same structure arranged left and right, the placement angles of the two cutting-head die units 1 are matched with the arcs at both ends of the workpiece 3, and the two The placement position of the cutting die unit 1 matches the length dimension of the workpiece 3 .
[0026] see image 3 , Figure 4 , the head cutting die unit 1 of the present invention is made up of upper mold part and lower mold part, and described upper mold part comprises upper mold plate 1-1, upper backing plate 1-2, upper knife seat 1-3, upper knife 1-4 and an elastic pressing mechanism, the upper knife seat 1-3 and the upper backing plate 1-2 are fixed on the upper template 1-1 in turn by screw connection, and the upper knife 1-4 is fixed on the upper knife seat 1-3, so The elastic pressing mechanism includes a pressing plate 1-5, a discharge screw 1-6 and a spring I...
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The invention discloses a top cropping mould for a car decorative part with a strip-shaped abnormal section, which is used for solving problems that the existing top cropping mould is low in production efficiency, high in processing cost and long in production period. The top cropping mould comprises two top croppingmould units and a middle material supporting block, wherein the two top cropping mould units are identical in structure and are arranged on the left side and the right side, and the arranging angle of the two top cropping mould units is matched with arcs of the two ends of a work piece; and the arranging position of the two top cropping mould units is matched with the length dimension of the work piece. The top cropping mould has the characteristics of reliable performance, rational structure, and convenience in operation, so that not only the production efficiency and product quality are greatly improved, but also the manufacturing cost for the mould and products is reduced.
Description
technical field [0001] The invention relates to a blanking die, in particular to a die suitable for cutting the head of a narrow strip-shaped special-shaped cross-section automobile trim, and belongs to the technical field of metal stamping. Background technique [0002] In the automotive accessories, there is a type of cross-section with a "C" shape ( figure 1 , figure 2 Shown) long strip parts, such as rain cornices, decorative strips, etc. The production process of this kind of parts is first rolling and shaping, and then the length and shape of the parts are determined by cutting the head of the die. [0003] At present, the head cutting process of such parts usually adopts a fixed cutter. When feeding, the workpiece needs to be inserted into the lower die according to the arc shape of the product. Since the cross section of the product is generally very narrow, it takes time and effort to thread the material; in addition, this processing method can only When punchin...
Claims
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IPC IPC(8): B21D28/14
Inventor 安保芹刘焱森张莉陈尔奎
Owner LINGYUN INDAL CORP