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Anti-signal false touch circuit for hydraulic lathe

A lathe and circuit technology, applied in the field of anti-signal accidental touch circuits, can solve problems such as machine failure, and achieve the effect of solving machine failure

Active Publication Date: 2018-08-14
中山市杰美施机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention proposes an anti-signal mis-touch circuit for hydraulic lathes, which solves the problem of machine failure caused by water-drenched contacts in the prior art

Method used

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  • Anti-signal false touch circuit for hydraulic lathe
  • Anti-signal false touch circuit for hydraulic lathe

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Embodiment Construction

[0012] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0013] Such as figure 2 As shown, the present invention proposes an anti-signal mis-touch circuit for hydraulic lathes. The hydraulic lathe includes a machine bed and a carriage. The machine bed is provided with a common line, and the carriage is provided with contacts linked to the signal line. , The contact is insulated from the machine bed, and the common line and signal line are respectively connected to the voltage comparison circu...

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Abstract

The invention discloses an anti-signal mistaken-touch circuit for a hydraulic lathe. The hydraulic lathe comprises a lathe body and a carriage. A public line is arranged on the lathe body, a contact linked to a signal line is arranged on the carriage, the contact and the lathe body are insulative, and the public line and the signal line are separately connected to a voltage comparison circuit and a signal output circuit; when the carriage moves to the end of the lathe body, the contact and the public line are conducted, the voltage comparison circuit outputs a low level and the signal output circuit outputs a signal. By additionally arranging the voltage comparison circuit, the contact is not conducted in an indirect contact condition, so that the problem that a machine failures as the contact is sprayed with water in the prior art is solved.

Description

Technical field [0001] The invention relates to the technical field of hydraulic lathe equipment, in particular to an anti-signal false touch circuit for hydraulic lathes. Background technique [0002] On the feed carriage of the hydraulic lathe, one wire is connected to the machine bed as a common wire, and the other is connected to the contact of the carriage as a signal line (the contact is insulated from the bed). When the carriage moves to the end, the contact touches the bed to give a signal. The circuit diagram of the signal transmission circuit is as figure 1 As shown, when the carriage has not reached the end, the INPUT contact and the 12vGND bed common line are disconnected. When the carriage reaches the end, the contact touches the bed to close and conduct, and the optocoupler EL22 is energized to give a signal. The two wires will only conduct when they are in direct contact in the air, but they will conduct electricity in the water due to water. The two wires will c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B25/00H02H5/12
CPCB23B25/00H02H5/12
Inventor 张兆炯
Owner 中山市杰美施机械制造有限公司