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A roll folding machine

A folding machine and rolling technology, applied in the field of folding equipment for sheet metal forming, can solve the problems of sheet folding recovery, complex folding processing, etc., and achieve the effect of avoiding folding recovery

Active Publication Date: 2017-04-19
ANHUI KINGPOWER EQUIP & MOLD MFR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The problem to be solved by the present invention: the problem of sheet metal hemming recovery and the problem of complex hemming processing

Method used

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  • A roll folding machine
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Embodiment Construction

[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0032] A roll folding machine, such as figure 1 As shown, it includes a base 1, a roller frame 2 and a pallet wheel rail 5. The roller frame 2 and the pallet wheel rail 5 are erected on the base 1 . Roller frame 2 has two, is respectively positioned at the respective one side of pallet wheel rail 5. That is to say, the pallet wheel rail 5 is located between the two roller stands 2 . The pallet wheel rail 5 is a linear track with rollers, such as image 3 Shown, comprise wheel rail frame 51 and roller 52. There are multiple rollers 52, which are mounted on the wheel rail frame 51 by a roller shaft 53. A plurality of rollers 52 constitute a mechanism for supporting the panel. In the present embodiment, there are two pallet wheel rails 5, which are parallel to each other. When the sheet material passes through the roller folding machine of the present emb...

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Abstract

The invention discloses a roll folding machine, which comprises a base and two roll frames. Two roller racks are respectively located on both sides of the base. A roll frame is arranged on the roll frame. The roller rack is a vertical plate-shaped body. The two roller racks are parallel to each other. The inner side of the roll frame is provided with a plurality of rolling and folding mechanisms. Each rolling hemming mechanism is composed of upper and lower hemming rollers; the axes of the upper and lower hemming rollers are located on the same vertical line. There is a pressure plate gap between the upper and lower hemming rollers. The gaps between the pressing plates of each rolling and flanging mechanism are located on the same horizontal plane. The upper and lower hemming rollers are connected with a synchronous power mechanism. At least one of the upper and lower hemming rollers is provided with a hemming mold strip. The shape of the hemming die strips of each rolling hemming mechanism changes gradually from one end to the other end. In the invention, the sheet material is moved along each rolling hemming mechanism driven by the pressing plate traction part of the upper and lower hemming rollers, and the sheet material is hemmed according to the hemming mold strips with gradually changing shapes.

Description

technical field [0001] The invention relates to a hemming device for sheet material forming. Background technique [0002] The traditional equipment for flanging of sheet metal is to fold and form the plate, that is, after the sheet is pressed, the edge of the sheet is folded by turning over the flanging mold. A problem with this equipment is that since the sheet itself is metal and has elasticity, after the sheet is folded once, it will partially bounce back. In order to solve this problem, usually when the sheet is turned over, the angle to be turned is greater than the actual angle to be formed. For example, when the sheet is folded at 90 degrees, the folded mold strip may need to be turned at an angle of 95 degrees. After removing the hemming molding, the 95-degree hemming on the edge of the sheet rebounds back to 5 degrees and then becomes a 90-degree hemming. However, in precision machining, there is obviously a problem of accuracy in this hemming method, because pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D19/04
Inventor 方景红刘萍谢传胜
Owner ANHUI KINGPOWER EQUIP & MOLD MFR
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