Arc-shaped plate bending device

A bending device and arc-shaped plate technology, which is applied in the field of plate-shaped workpiece processing, can solve the problems of low bending quality and loss, and achieve the effect of avoiding interference

Inactive Publication Date: 2015-04-29
CHANGZHOU YINBAO NICKEL NETWORK
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0002] For the bending of asymmetrically curved slabs, during the bending process, the slab will generate a large asymmetric lateral force, so the existing bending device needs to overcome the offset that occurs during the bending of the slab, and the commonly used It is to add a blank holder to the device to overcome the displacement of the slab during the bending process, but because the edge of the slab will fall during the bending process, the blank holder will lose the function of the blank, resulting in lower bending quality

Method used

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  • Arc-shaped plate bending device

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with the drawings and specific embodiments.

[0011] Such as figure 1 , The arc-shaped plate bending device includes a bending male mold 2 with an arc-forming die head 1, a bending female mold 3 is arranged under the bending male mold, and a cavity penetrating the upper and lower end faces is opened in the middle of the bending male mold. The cavity of the concave mold is provided with two independent lifting die heads 4 that can be raised to be level with the upper end surface of the curved concave mold. The top of the lifting die head is an arc concave surface 5 corresponding to the curved convex mold arc forming die. . A middle mold column 6 for separating the two lifting die heads is arranged between the two lifting die heads, and the two lifting die heads are arranged symmetrically with the axis of the middle mold column. The lower end of the bending die is fixedly arranged on the lower template 7,...

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Abstract

The invention belongs to the technical field of plate workpiece processing and particularly relates to an arc-shaped plate bending device which comprises a bent convex die, wherein the bent convex die is provided with arc-shaped molding die heads; a bent concave die is arranged below the bent convex die; the middle of the bent concave die is provided with a die cavity which penetrates through the upper and lower end surfaces of the bent concave die; the die cavity of the bent concave die is internally provided with two mutually independent lifting die heads capable of ascending to be flush with the upper end surface of the bent concave die; the tops of the lifting die heads are provided with arc-shaped concave surfaces which correspond to the arc-shaped molding die heads of the bent convex die. The arc-shaped plate bending device is simple in structure and reasonable in design; by virtue of the arc-shaped plate bending device, the bending of two semi-arc plates can be completed once, so that the working efficiency is high; in a bending process, plate blanks do not deviate and the bending quality is high.

Description

Technical field [0001] The invention belongs to the technical field of plate-shaped workpiece processing, and particularly relates to an arc-shaped plate bending device. Background technique [0002] For the bending of asymmetric arc-shaped plates, during the bending process, the slab will generate a large asymmetric lateral force. Therefore, the existing bending device needs to overcome the deviation in the bending of the slab. An edge-holding device is added to the device to overcome the position of the slab during the bending process. However, as the edge of the slab is lowered during the bending process, the edge-holding device loses its edge-holding function, resulting in The bending quality is low. Summary of the invention [0003] In view of the above-mentioned problems, the present invention provides an arc-shaped plate bending device with a reasonable structure design, and the slab will not deviate during the slab bending process. [0004] The present invention is realize...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D5/06
CPCB21D5/06
Inventor 高翔
Owner CHANGZHOU YINBAO NICKEL NETWORK
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