CN106925888A - Digitalized laser cutting head - Google Patents
Digitalized laser cutting head Download PDFInfo
- Publication number
- CN106925888A CN106925888A CN201511011646.0A CN201511011646A CN106925888A CN 106925888 A CN106925888 A CN 106925888A CN 201511011646 A CN201511011646 A CN 201511011646A CN 106925888 A CN106925888 A CN 106925888A
- Authority
- CN
- China
- Prior art keywords
- laser cutting
- cutting head
- analog
- nozzle
- digital converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses a kind of digitalized laser cutting head, it includes nozzle, the height controller for measuring distance between nozzle and cut material, and the height controller includes the servo controller that the analog-digital converter being electrically connected for the capacitance sensor and capacitance sensor that measure gap capacitance between nozzle and cut material and analog-digital converter are electrically connected.Due to using above-mentioned technical proposal, digitalized laser cutting head of the present invention will measure the capacitance for obtaining and be converted to digital quantity signal and send servo controller to by analog-digital converter, and the control device antijamming capability is significantly increased, and control accuracy is high, and fault rate is low.
Description
Technical field
The present invention relates to a kind of digitalized laser cutting head.
Background technology
Laser cutting is to be cut material using the irradiation of high power density laser beam, material is heated to vapourizing temperature quickly, and evaporation forms hole, and the movement with light beam to material, hole is formed continuously narrower in width（Such as
0
1mm
Left and right）Joint-cutting, completes the cutting to material.During cutting, laser spot is particularly significant in the drop point being cut on material surface, therefore prior art measures gap capacitance between the nozzle of laser cutting head and machined material surface again by control system come the distance between real-time control nozzle and machined material by capacitance sensor.Such as Application No.
91216995.8
Patent disclose the laser head of a kind of nozzle and capacitance sensor integrative-structure.However, at present existing laser cutting head used capacitance sensor output be
0
~
10V
Analog quantity voltage signal, the system rejection to disturbance ability, precision are low, fault rate is high.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of digitalized laser cutting head.
In order to reach object above, the technical solution adopted by the present invention is：A kind of digitalized laser cutting head, it includes nozzle, the height controller for measuring distance between nozzle and cut material, and the height controller includes the servo controller that the analog-digital converter being electrically connected for the capacitance sensor and capacitance sensor that measure gap capacitance between nozzle and cut material and analog-digital converter are electrically connected.
Further, servo controller is digital servo system controller.
Further, analog-digital converter is connected by communication cable with servo controller.
Further, digitalized laser cutting head also includes head body, and nozzle is connected to the bottom of the head body.
Closer, analog-digital converter is arranged on the outside of head body.
Due to using above-mentioned technical proposal, digitalized laser cutting head of the present invention will measure the capacitance for obtaining and be converted to digital quantity signal and send servo controller to by analog-digital converter, and the control device antijamming capability is significantly increased, and control accuracy is high, and fault rate is low.
Brief description of the drawings
Accompanying drawing
1
It is the structural representation of digitalized laser cutting head of the present invention.
In figure marked as：
1
, nozzle；
2
, analog-digital converter；
3
, communication cable；
4
, head body；
5
, be cut material.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art.
From accompanying drawing
1
Structural representation can be seen that and present embodiments provide a kind of digitalized laser cutting head, it includes head body
4
, be connected to head body
4
The nozzle of bottom
1
, head body
4
And nozzle
1
Inside is respectively provided with the passage for passing through for laser and projecting.
Laser cutting head is also included for measuring nozzle
1
With cut material
5
Between height controller, the height controller includes for measuring nozzle
1
With cut material
4
Between gap capacitance capacitance sensor（It is not drawn into accompanying drawing）The analog-digital converter being electrically connected with capacitance sensor
2
With analog-digital converter
2
The servo controller being electrically connected（It is not drawn into accompanying drawing）.
Analog-digital converter
2
By communication cable
3
It is connected with servo controller.
In a kind of highly preferred embodiment, servo controller is digital servo system controller.
In a kind of highly preferred embodiment, analog-digital converter
2
Installed in head body
4
Outside.
This digitalized laser cutting head measures delivery nozzle when cutting work is carried out by capacitance sensor
1
With cut material
4
Between gap capacitance value, and by analog-digital converter
2
Measured capacitance is converted into digital quantity signal and servo controller is delivered it to, servo controller sends a command to drive the drive device of laser cutting head movement to control the laser cutting head to move after being analyzed according to the signal, controls the nozzle of laser cutting head precisely in real time so as to reach
1
With cut material
5
The distance between.
Digitalized laser cutting head of the present invention, the antijamming capability of height control is significantly increased, and control accuracy is high, and fault rate is low.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allowing person skilled in the art to will appreciate that present disclosure and implementing according to this, it is not intended to limit the scope of the present invention.Any equivalent change or modification in accordance with the spirit of the invention, should all be included within the scope of the present invention.
Claims (5)
1. a kind of digitalized laser cutting head, it is characterised in that：It includes nozzle（1）, for the measurement nozzle（1）With cut material（5）Between distance height controller, the height controller include be used for the measurement nozzle（1）With cut material（5）Between gap capacitance capacitance sensor and the analog-digital converter that is electrically connected of the capacitance sensor（2）With the analog-digital converter（2）The servo controller being electrically connected.
2. digitalized laser cutting head according to claim 1, it is characterised in that：Described servo controller is digital servo system controller.
3. digitalized laser cutting head according to claim 1, it is characterised in that：Described analog-digital converter（2）By communication cable（3）It is connected with servo controller.
4. digitalized laser cutting head according to claim 1, it is characterised in that：It also includes head body（4）, described nozzle is connected to the head body（4）Bottom.
5. digitalized laser cutting head according to claim 4, it is characterised in that：Described analog-digital converter（2）Installed in the head body（4）Outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011646.0A CN106925888A (en) | 2015-12-30 | 2015-12-30 | Digitalized laser cutting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011646.0A CN106925888A (en) | 2015-12-30 | 2015-12-30 | Digitalized laser cutting head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106925888A true CN106925888A (en) | 2017-07-07 |
Family
ID=59458716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511011646.0A Pending CN106925888A (en) | 2015-12-30 | 2015-12-30 | Digitalized laser cutting head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106925888A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111618422A (en) * | 2020-06-01 | 2020-09-04 | 佛山市宏石激光技术有限公司 | Laser processing method |
| CN114543648A (en) * | 2022-04-11 | 2022-05-27 | 深圳软动智能控制有限公司 | Metal cutting height sensor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07164174A (en) * | 1993-12-10 | 1995-06-27 | Komatsu Ltd | Method for copy controlling of laser beam machine |
| CN101031383A (en) * | 2004-05-11 | 2007-09-05 | 塔工程有限公司 | Device for cutting glass substrate and its method |
| CN102528288A (en) * | 2012-02-17 | 2012-07-04 | 上海柏楚电子科技有限公司 | Method for digital closed-loop control capacitance raising system |
| CN203265921U (en) * | 2013-05-13 | 2013-11-06 | 广东大族粤铭激光科技股份有限公司 | Laser cutting following mechanism |
| CN104080570A (en) * | 2011-11-10 | 2014-10-01 | Ipg光子公司 | Dynamic height adjusting system and method for head assembly of laser processing system |
| CN204413386U (en) * | 2014-11-28 | 2015-06-24 | 北京大沃科技有限公司 | A kind of servomechanism |
| CN205464836U (en) * | 2015-12-30 | 2016-08-17 | 常州天正工业发展有限公司 | Digital laser cutting head |
-
2015
- 2015-12-30 CN CN201511011646.0A patent/CN106925888A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07164174A (en) * | 1993-12-10 | 1995-06-27 | Komatsu Ltd | Method for copy controlling of laser beam machine |
| CN101031383A (en) * | 2004-05-11 | 2007-09-05 | 塔工程有限公司 | Device for cutting glass substrate and its method |
| CN104080570A (en) * | 2011-11-10 | 2014-10-01 | Ipg光子公司 | Dynamic height adjusting system and method for head assembly of laser processing system |
| CN102528288A (en) * | 2012-02-17 | 2012-07-04 | 上海柏楚电子科技有限公司 | Method for digital closed-loop control capacitance raising system |
| CN203265921U (en) * | 2013-05-13 | 2013-11-06 | 广东大族粤铭激光科技股份有限公司 | Laser cutting following mechanism |
| CN204413386U (en) * | 2014-11-28 | 2015-06-24 | 北京大沃科技有限公司 | A kind of servomechanism |
| CN205464836U (en) * | 2015-12-30 | 2016-08-17 | 常州天正工业发展有限公司 | Digital laser cutting head |
Non-Patent Citations (1)
| Title |
|---|
| 黄涛: "激光切割数控系统研究", 《中国优秀硕士学位论文全文数据库（硕士） 工程科技Ⅰ辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111618422A (en) * | 2020-06-01 | 2020-09-04 | 佛山市宏石激光技术有限公司 | Laser processing method |
| CN111618422B (en) * | 2020-06-01 | 2022-03-18 | 广东宏石激光技术股份有限公司 | Laser processing method |
| CN114543648A (en) * | 2022-04-11 | 2022-05-27 | 深圳软动智能控制有限公司 | Metal cutting height sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170707 |
|
| WD01 | Invention patent application deemed withdrawn after publication |