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Press molding and manufacturing method therefor

A manufacturing method and technology of molded products, applied in the direction of transportation and packaging, cantilevers mounted on pivots, vehicle parts, etc., can solve the problems of increased weight of parts and the inability to make parts weight to an appropriate value, and achieve the goal of preventing weight increase Effect

Active Publication Date: 2016-02-10
YOROZU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to make the plate pieces coincide with each other even when the shapes of the plate pieces vary, if the shape of the flange portion or the like for making the plate pieces coincide with each other is formed in a slightly larger manner, there will be the following problem: Unnecessarily heavy weight of the part does not allow the part weight to be the proper value

Method used

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  • Press molding and manufacturing method therefor
  • Press molding and manufacturing method therefor
  • Press molding and manufacturing method therefor

Examples

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Embodiment Construction

[0027] Hereinafter, embodiments of the present invention will be described with reference to the attached drawings. In addition, the description below is not intended to limit the technical scope disclosed in the claims or the meanings of the terms. In addition, for convenience of description, the dimensional ratios in the drawings are exaggerated and may be different from actual ratios.

[0028] figure 1 It is a perspective view showing a press-formed product according to an embodiment of the present invention, figure 2 To show a top view of the same stamped product, image 3 for along figure 2 The 3-3 line profile. Figure 4 A plan view showing a state in which a blank is punched into a predetermined shape in forming the same press-formed product, Figure 5 A plan view showing the state where the mounting hole and the punched part constituting the product are punched out during the molding of the same press-formed product, Figure 6 It shows the top view when the ris...

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PUM

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Abstract

[Problem] To provide a press molding in which the plate pieces can be properly matched with each other and the weight of the product is not increased even though the plate pieces can be properly matched with each other, and a manufacturing method therefor. [Solution] The present invention is a press molding (100) formed by bending a blank material (B) to divide the blank material into a first plate piece (10) and a second plate piece (20) with the bending site interposed therebetween and bringing the first plate piece into contact with the second plate piece as a result of the bending. The first plate piece and the second plate piece comprise: punched areas (11, 21) formed by punching the blank material; and a first raised area (12) and a second raised area (22) formed by raising the margins of the punched areas. An alignment area (40), for aligning the first plate piece with the second plate piece by engaging the first raised area of the first plate piece with the second raised area of the second plate piece, is provided.

Description

technical field [0001] The present invention relates to a stamped product and its manufacturing method. Background technique [0002] Pressing is different from casting, etc., in which a substance such as liquefied metal is poured into a mold to form a desired shape, but a flat plate is bent or extruded to form a predetermined shape. Therefore, in press working, for example, when molding a product having a hollow shape, shapes constituting approximately half of the hollow shape of the product are formed in pairs on the blank. Here, the part corresponding to the half of the hollow shape of a product is called a sheet|seat sheet. In addition, there is disclosed a technology (see Patent Document 1) that bends the shapes of a pair of plate pieces formed on a blank so that they are aligned most centrally, and aligns the shapes of the pair of plate pieces. [0003] prior art literature [0004] patent documents [0005] Patent Document 1: Japanese Patent Laid-Open No. 2010-247...

Claims

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Application Information

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IPC IPC(8): B21D39/03B21D5/01B60G7/00
CPCB21D5/01B60G7/001B60G2206/122B60G2206/8102B21D19/088B21D39/032B21D53/90B60G7/00B21D39/03B21D28/26
Inventor 成田晃
Owner YOROZU