Edge covering die and outer plate pre-bending assembly thereof
A pre-bending and component technology, applied in forming tools, manufacturing tools, metal processing equipment, etc., can solve the problems of increasing tooling costs, limited installation space, and increasing mold specifications, so as to increase restoring force, save installation space, and save The effect of production costs
Inactive Publication Date: 2015-10-14
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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Problems solved by technology
[0003] In the prior art, one or two parallel hemming mechanisms are generally used to realize the pre-bending of the outer plate to realize the pressing operation; but for some longer arc-shaped edge pre-bending, if three or more parallel hemming mechanisms are used, due to the installation Due to the limited space, it is easy to cause other accessories to be unable to be installed. Increasing the size of the mold for the installation of accessories will increase the cost of tooling. If only two parallel hemming mechanisms are used, there will be a phenomenon that the retraction effect after pre-bending is not good.
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[0023] The core of the present invention is to provide an outer plate pre-bending assembly for hemming molds, which can save installation space and have sufficient retraction force when processing long arc-shaped workpieces, so as to ensure that the mechanism Smooth rollback, and save production costs. Another core of the present invention is to provide a hemming mold comprising the above-mentioned outer plate pre-bending assembly.
[0024] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0025] Please refer to figure 1 and figure 2 , figure 1 It is a structural schematic diagram of a specific embodiment of the outer plate pre-bending assembly provided by the present invention; figure 2 for figure 1 An enlarged view of the reset component in the outer panel prebend assembly shown.
[0026] In ...
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The invention discloses an edge covering die and an outer plate pre-bending assembly thereof. The outer plate pre-bending assembly of the edge covering die comprises a pre-bending knife block, a pre-bending knife block installation base mounted on the pre-bending knife block, and two parallel edge covering mechanisms which are mounted on the pre-bending knife block installation base. The outer plate pre-bending assembly of the edge covering die further comprises a reset component which is mounted on the pre-bending knife block installation base, and the reset component is located between the two parallel edge covering mechanisms. The reset component comprises an installation base, a reset spring and a connecting base. The installation base is fixedly connected to a lower die base. The connecting base is fixedly connected to the pre-bending knife block installation base. The first end of the reset spring is fixedly connected to the installation base, and the second end of the reset spring is fixedly connected to the connecting base. In this way, when a workpiece with a long arc-shaped edge is machined, the installation space can be saved, sufficient returning force can be obtained, and accordingly smooth returning of the mechanisms is guaranteed; in addition, production cost is reduced.
Description
technical field [0001] The invention relates to the technical field of moulds, in particular to an outer plate pre-bending assembly used for hemming moulds. The present invention also relates to a hemming mold comprising the above-mentioned outer plate pre-bending assembly. Background technique [0002] The pre-bending knife block of the existing hemming mold realizes the switching between pre-bending and pressing through the hemming mechanism. After the pre-bending work is completed, the hemming driver continues to go down, driving the hemming mechanism to drive the pre-bending knife block to exit safely, and the pressing knife The block goes down to complete the pressing work, and the hemming mechanism must ensure that the pre-bending and pressing work is carried out in an orderly and smooth manner. [0003] In the prior art, one or two parallel hemming mechanisms are generally used to realize the pre-bending of the outer plate to realize the pressing operation; but for s...
Claims
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Login to View More IPC IPC(8): B21D37/12B21D19/14
CPCB21D37/12B21D19/14
Inventor 何鹏申陈世涛阮林凡李辉高双明徐肖
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD