CN202606891U - Tool wear monitor and alarm device of numerically controlled lathe - Google Patents
Tool wear monitor and alarm device of numerically controlled lathe Download PDFInfo
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- CN202606891U CN202606891U CN 201220192641 CN201220192641U CN202606891U CN 202606891 U CN202606891 U CN 202606891U CN 201220192641 CN201220192641 CN 201220192641 CN 201220192641 U CN201220192641 U CN 201220192641U CN 202606891 U CN202606891 U CN 202606891U
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Abstract
The utility model relates to a tool wear monitor and alarm device of a numerically controlled lathe. The tool wear monitor and alarming device comprises an optical fiber sensor and a monitor and alarm module, wherein the optical fiber sensor consists of a light emitting diode, an incident optical fiber bundle, a reflecting optical fiber bundle, a phototriode and the like, is arranged on a tool rest and is perpendicular to a workpiece, and a gap is reserved between the optical fiber sensor and the workpiece; and the monitor and alarm module comprises a stabilized voltage supply, a signal amplifying unit, a data processing unit and a displaying and alarm unit. The stabilized voltage supply provides required direct-current power for the light emitting diode; the signal amplifying unit amplifies monitoring signals outputted by the phototriode; and a singlechip is used as a core of the data processing unit, the data processing unit is in charge of performing analog/digital (A/D) conversion and data analysis for the monitoring signals, and the displaying and alarm unit transmits audible and visual alarm signals when the monitoring signals exceed a threshold value. The wear state of a tool is effectively identified by monitoring change of roughness of a processed surface of a turning part in real time, and the tool monitor and alarm device is beneficial to guaranteeing the processing quality of parts produced in batches.
Description
Technical field
The utility model relates to metal cutting tool wear measurement field, particularly a kind of numerically controlled lathe tool wear monitoring alarm.
Background technology
Numerically controlled lathe is widely used a kind of Metal Cutting Machine Tool in the machine-building.In the process, the wearing and tearing of cutter are divided into two types: normal wear (cutter weares and teares gradually) and heel and toe wear (tipping, turned or blade is whole cracked suddenly).At present, mainly lean on workman's observation and experience for the monitoring of tool wear; Also there are many scholars to carry out the research of tool wear monitoring aspect, as with the correlated characteristic of CCD imaging observation cutter VOLUME LOSS, with the breakage of calibrate AE sensor monitoring cutter etc., but all do not get into practical application.
Summary of the invention
The utility model is intended to overcome the deficiency of above-mentioned prior art, for the numerically controlled lathe production scene provides a kind of tool wear monitoring alarm.
The utility model provides a kind of numerically controlled lathe tool wear monitoring alarm, comprises sensor and monitoring, alarming module, and described sensor is a reflection-type optical fibre sensor, is installed on the knife rest perpendicular to workpiece, with workpiece maintenance certain clearance; Described monitoring, alarming module comprises voltage-stabilized power supply, signal amplification unit, data processing unit, display alarm unit, and when monitor signal surpassed threshold value, buzzer and LED through the display alarm unit sent the sound and light alarm signal.
The utility model discerns effectively the state of wear of cutter through the variation of real-time monitoring turning part machined surface roughness, helps guaranteeing to produce in batches the crudy of part.
Description of drawings:
Fig. 1 is the theory diagram of the utility model.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is described further.
As shown in Figure 1, the utility model provides a kind of numerically controlled lathe tool wear monitoring alarm, comprises Fibre Optical Sensor 1 and monitoring, alarming module 2.Fibre Optical Sensor 1 is a reflection-type optical fibre sensor; Form by Light-Emitting Diode, incident optical bundle, mirror based fiber optica bundle, phototriode etc.; Be installed on the knife rest perpendicular to workpiece, and workpiece keeps certain clearance (between 1 to 2 millimeter, confirming according to incident optical beam diameter value).Monitoring, alarming module 2 comprises voltage-stabilized power supply, signal amplification unit, data processing unit, display alarm unit.Voltage-stabilized power supply is that Light-Emitting Diode provides required dc source; Signal amplification unit amplifies the monitor signal of phototriode output; Data processing unit is core with the single-chip microcomputer; Be responsible for monitor signal is carried out A/D conversion and data analysis; When monitor signal surpasses threshold value (after lathe tool reaches the blunt standard usually or take place unexpected tipping, turned and blade whole cracked after, workpiece surface roughness significant change will occur, exceed normal scope), send the sound and light alarm signal through the buzzer and the LED of display alarm unit; Wait for workman's affirmation and stop processing, also can after nobody replys a period of time, directly suspend the motion of numerically controlled lathe electric driving tool post.
Claims (1)
1. the utility model provides a kind of numerically controlled lathe tool wear monitoring alarm, comprises sensor and monitoring, alarming module, and described sensor is a reflection-type optical fibre sensor, is installed on the knife rest perpendicular to workpiece, with workpiece maintenance certain clearance; Described monitoring, alarming module comprises voltage-stabilized power supply, signal amplification unit, data processing unit, display alarm unit, and when monitor signal surpassed threshold value, buzzer and LED through the display alarm unit sent the sound and light alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220192641 CN202606891U (en) | 2012-05-03 | 2012-05-03 | Tool wear monitor and alarm device of numerically controlled lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220192641 CN202606891U (en) | 2012-05-03 | 2012-05-03 | Tool wear monitor and alarm device of numerically controlled lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202606891U true CN202606891U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220192641 Expired - Fee Related CN202606891U (en) | 2012-05-03 | 2012-05-03 | Tool wear monitor and alarm device of numerically controlled lathe |
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| CN (1) | CN202606891U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252508A (en) * | 2013-04-12 | 2013-08-21 | 湖北文理学院 | Random visual inspection device for lathe processing states |
| CN106482060A (en) * | 2015-05-20 | 2017-03-08 | 古德里奇照明***有限责任公司 | Airplane external illuminating device |
| CN106493610A (en) * | 2016-10-27 | 2017-03-15 | 齐齐哈尔华工机床股份有限公司 | A kind of online test method of contactless blade abrasion |
| CN109093866A (en) * | 2018-09-19 | 2018-12-28 | 山东新升光电科技有限责任公司 | Draw stick knife application method |
| CN109420940A (en) * | 2017-08-30 | 2019-03-05 | 南京锦冠汽车零部件有限公司 | A kind of automobile shafts processing equipment for grinding that band detects automatically |
| CN111060513A (en) * | 2019-10-21 | 2020-04-24 | 张国基 | Calculation chip system for mechanical equipment abrasion |
| CN114453975A (en) * | 2022-03-01 | 2022-05-10 | 漳州市昱航机床制造有限公司 | Numerical control lathe is processing cutter wearing and tearing on-line monitoring device in batches based on cutting power |
-
2012
- 2012-05-03 CN CN 201220192641 patent/CN202606891U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252508A (en) * | 2013-04-12 | 2013-08-21 | 湖北文理学院 | Random visual inspection device for lathe processing states |
| CN106482060A (en) * | 2015-05-20 | 2017-03-08 | 古德里奇照明***有限责任公司 | Airplane external illuminating device |
| CN106482060B (en) * | 2015-05-20 | 2021-01-05 | 古德里奇照明***有限责任公司 | Aircraft exterior lighting device |
| CN106493610A (en) * | 2016-10-27 | 2017-03-15 | 齐齐哈尔华工机床股份有限公司 | A kind of online test method of contactless blade abrasion |
| CN109420940A (en) * | 2017-08-30 | 2019-03-05 | 南京锦冠汽车零部件有限公司 | A kind of automobile shafts processing equipment for grinding that band detects automatically |
| CN109093866A (en) * | 2018-09-19 | 2018-12-28 | 山东新升光电科技有限责任公司 | Draw stick knife application method |
| CN109093866B (en) * | 2018-09-19 | 2021-03-23 | 山东新升光电科技有限责任公司 | Using method of bar drawing knife |
| CN111060513A (en) * | 2019-10-21 | 2020-04-24 | 张国基 | Calculation chip system for mechanical equipment abrasion |
| CN114453975A (en) * | 2022-03-01 | 2022-05-10 | 漳州市昱航机床制造有限公司 | Numerical control lathe is processing cutter wearing and tearing on-line monitoring device in batches based on cutting power |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20130503 |