Industrial press safety system

A safety system, stamping machine technology, applied in the field of safety systems, can solve the problems of single beam or safety light curtain not working, delay lengthening, interruption and error, etc.

Inactive Publication Date: 2005-04-13
LAZER SAFE PTY LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Therefore in these cases individual light beams or safety light curtains do not work
[0009] Moreover, if a laser beam is used in the device, shocks can seriously distort the path of this laser beam, causing interruptions and errors during the operation of these devices
While the effects of vibrations can be reduced using software "filtering" or compensation, such as shown in International Application PCT / AU97 / 00005, this results in a delay between the interruption of the beam and the subsequent activation of the safety system and stopping the stamping lengthen

Method used

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  • Industrial press safety system
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Embodiment Construction

[0037] According to Fig. 1 at first, this industrial stamping machine safety system according to the present invention comprises: a laser emitting device 1, and this device has a laser emitter 2, such as a laser diode; The laser beam 3 emitted in 2 is transformed into a continuous planar laser beam 9 .

[0038] Figure 2 is a cross-sectional view of a continuous planar laser beam emitted by the security system according to the invention, before correction, along the line A-A in Figure 1 . This laser beam 9 has a substantially constant transverse width W along its length. Furthermore, the continuous planar laser beam 9 has a substantially constant thickness T. According to a possible configuration of the invention, the laser beam 9 has an average transverse width of about 50 mm and an average thickness of about 3 mm. The divergence angle of the laser beam 9 is preferably equal to or less than 0.1%. It will be appreciated that other configurations are possible, depending on th...

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Abstract

An industrial stamping machine safety system with a movable part (30), the safety system includes: a laser emitting device (1) for emitting a continuous plane laser beam (9) with a substantially constant lateral width; a light receiving device (22) , for receiving the laser beam and detecting when an object is inserted into the laser beam; and a control device for stopping or blocking the movable part of the stamping machine when the receiving device detects that an object is inserted into the laser beam. exercise.

Description

technical field [0001] The present invention relates generally to safety systems for use in industrial settings, and in particular to safety systems for industrial punching machines such as plate benders or paper cutters. Background technique [0002] The hazards associated with the operation of industrial presses necessitated the development of various safety devices to protect workers using these presses. Safety light curtain systems are commonly used to provide multiple parallel infrared (IR) beams that act as "obstacles" for the press. Interruption of either of the infrared beams by the press operator will cause the press to stop. However, these safety light curtains must be located at a considerable distance in front of the press in order to work effectively. This is because the divergence angle of the infrared beam over a distance limits the accuracy and speed of this light curtain. [0003] In British Patent No. 1307078 a light curtain guar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D55/00F16P3/00F16P3/14G02B3/00B21D5/02B30B15/00G02B3/06H01L31/12
CPCB21D5/02B21D55/00F16P3/144
Inventor 罗伯特·M·阿普利亚德
Owner LAZER SAFE PTY LTD
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