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Monitoring device and method for monitoring breakage of machining tools contained in machine tool tools

A monitoring device and machining technology, applied in metal processing equipment, metal processing mechanical parts, manufacturing tools, etc., can solve the problem that the circuit thread tool cannot be identified.

Inactive Publication Date: 2018-10-19
TRUMPF WERKZEUGMASCHINEN GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in addition, too many circuits to be set and / or broken thread cutters cannot be identified

Method used

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  • Monitoring device and method for monitoring breakage of machining tools contained in machine tool tools
  • Monitoring device and method for monitoring breakage of machining tools contained in machine tool tools
  • Monitoring device and method for monitoring breakage of machining tools contained in machine tool tools

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Embodiment Construction

[0027] figure 1 In , a punch press 1 with a tool set according to the invention is shown. One component of the press 1 is here the C-frame 2 . The C-frame 2 comprises a torsion-stiff welded structure made of steel. However, the frame can be formed in other forms.

[0028] At the rear end of the C-frame 2 there is provided a hydraulic power unit 3 hydraulically driving a plunger 4 by means of a plunger controller 5 .

[0029] The punch press has an axis 6 which is the central axis of the lower tool holder 7 and of the plunger 4 with the upper tool holder 17 . The lower tool holder 7 is arranged inside the lower part of the C-shaped frame 2 to accommodate the lower tool part 32 which is the tool part of the tool 14 . The lower tool holder 7 is optionally rotatable by means of a rotary drive (not shown) and can be locked in any angular position. In addition, the lower tool holder 7 optionally comprises a drive 8 capable of moving the lower tool holder 7 along the axis 6 . T...

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Abstract

A device used for a punching tool and monitoring the breakage of a machining tool mounted in a tool comprises: an air pressure supply device; a first pressure switch having a predetermined switching pressure; and a monitoring cylinder barrel having a touch piston. The touch piston comprises a piston rod and is contained in the monitoring cylinder barrel, and divides a first space between the piston and the first end of the monitoring cylinder barrel and a second space between the piston and the second end of the monitoring cylinder barrel. The touch piston has a predetermined travel between the first end and the second end, a critical position is set for the touch piston, and the touch piston abuts against the machining tool at the critical position. The monitoring cylinder barrel has a supply orifice connected to the air pressure supply device and the first pressure switch at the position of the first end, and a release orifice. The release orifice is configured to be communicated with the first space when the tool is broken and the touch piston is closer to the second end relative to the critical position; and the communication from the release orifice to the first space is cut off when the tool is not broken and the touch piston is located at the critical position or far away from the second end relative to the critical position.

Description

technical field [0001] The present invention relates to a monitoring device and method for monitoring breakage of a tool of a punching machine, and more particularly to a monitoring device and method capable of monitoring whether a machining tool accommodated in the tool is damaged. Background technique [0002] Monitoring devices for detecting breakage of threading tools are known, for which the valve is switched or the actuating part whose movement is detected by a proximity switch is moved, for example, by the threading tool. In an alternative monitoring device, an optical sensor is provided to detect the end of the threading tool in order to detect damage to the threading tool. [0003] In addition, however, too many circuits are to be provided and / or broken threading tools cannot be identified. Contents of the invention [0004] It is now an object of the present invention to provide a method and a monitoring device for a tool for a punching press which are of simple...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q17/09
CPCB23Q17/0957B21D28/02
Inventor P·比特欧
Owner TRUMPF WERKZEUGMASCHINEN GMBH & CO KG
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