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Die

A punching die and die hole technology, which is applied in the direction of perforating tools, stripping devices, manufacturing tools, etc., can solve the problems that the front end of the drill bit is easy to leave the processing position, the drill bit is bent and damaged, and the cost is high.

Inactive Publication Date: 2010-01-06
AMADA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the past, there was a problem that the processing of the above-mentioned air injection holes was troublesome and costly.
In addition, when the above-mentioned air injection hole is deep hole machining, a thin and long drill is required, and when the air injection hole is started to be machined, the tip of the drill is likely to be out of the processing position, so there is a problem that the drill is easy to be bent and damaged.

Method used

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Embodiment Construction

[0039] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0040] refer to figure 1 , the die device 1 related to the embodiment of the present invention is provided with a die base 3 installed on a suitable punch such as a turret-type hexagonal punch press (not shown in the figure), and a die base 7 is detachably installed on the die base 3 , The die base 7 is detachably provided with a plurality of dies 5 .

[0041] The structure of the above-mentioned punching die 5 is that a core body 15 is provided in the punching die main body 11 having a die hole 9 coordinating with a punch (illustration omitted) at the top to punch a plate-shaped workpiece, and the core body 15 has a core body 15 that communicates with the above-mentioned punching die hole 9. The discharge hole 13. That is, a large-diameter recess 17 communicating with the die hole 9 is formed on the die main body 11 , and the core 15 is fitted into the rece...

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PUM

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Abstract

The invention relates to a die and a die device. A die device, wherein cores (15) having discharge ports (13) communicating with die holes (9) are installed in die bodies (11) having the die holes (9) for punching out a work, a plurality of fluid jetting ports (25) jetting fluid in the lower directions of the discharge holes (13) are provided in the cores (15), the inflow ports (27) allowing the compressed fluid to flow into the fluid jetting ports (25) are provided in the die bodies (11), the cores (13) are formed of a resin and the discharge holes are formed in tapered holes larger in diameter toward the lower side, and peripheral grooves (29) communicating with the inflow ports (27) are provided in the outer peripheral surfaces of the die bodies (11).

Description

[0001] This application is a divisional application, the filing date of the original application is June 17, 2003, the Chinese application number is 03813988.X, and the title of the invention is die and die device. technical field [0002] The present invention relates to a die and a die device used in a punching machine, and more particularly, to a die capable of preventing stamped pieces such as semi-finished products and chips punched from a workpiece by the punch and the die from rising together with the punch (scrap rising) and Die device. Background technique [0003] Conventionally, in a punching machine, it is known that when punching a plate-shaped workpiece with a punch and a die, when the punch is raised, the punched piece is raised together (scrap rises). If punching of the workpiece is continued on the workpiece while the punching sheet is raised, the punching sheet is present in the middle and the punching of the workpiece is performed, thereby damaging the pun...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D28/34B21D45/00B26F1/14B26D7/18B21D28/00
Inventor 内藤钦志郎清水雅雪远藤茂松本孝仲井宏小林宏行
Owner AMADA CO LTD