CN104842065B - A kind of based on pressure sensing laser Machining head auxiliary focusing mechanism - Google Patents
A kind of based on pressure sensing laser Machining head auxiliary focusing mechanism Download PDFInfo
- Publication number
- CN104842065B CN104842065B CN201510284387.2A CN201510284387A CN104842065B CN 104842065 B CN104842065 B CN 104842065B CN 201510284387 A CN201510284387 A CN 201510284387A CN 104842065 B CN104842065 B CN 104842065B
- Authority
- CN
- China
- Prior art keywords
- defocusing amount
- laser machining
- machining head
- pin
- focusing
- 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.)
- Active
Links
- 238000003754 machining Methods 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 14
- 230000007704 transition Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a kind of based on pressure sensing laser Machining head auxiliary focusing mechanism, connecing bearing, height adjustment assembly and sensor sleeve soon including be sequentially connected with, being set with focusing pin, defocusing amount instruction pin, Hookean spring, upper cushion block and connection in sensor sleeve successively has the pressure transducer of signal output interface；Pressure transducer pushes down upper cushion block with sensor sleeve after being connected, the outer surface of sensor sleeve draws the notch having defocusing amount scale, lateral wall to offer for defocusing amount instruction pin sliding；The initial position of defocusing amount instruction pin points to the start index of defocusing amount scale, signal output interface is connected with the data collecting system of peripheral hardware, can take into artificial focusing by manual read when focusing pin pressurized drives defocusing amount instruction pin to move and drives Hookean spring to compress and realize auto-focusing by the pressure transmission of pressure transducer.The exact focus of laser Machining head can be realized, and the most arbitrarily regulate defocusing amount, there is the most dual focus function.
Description
Technical field
The present invention relates to a kind of focusing mechanism, particularly relate to a kind of based on pressure sensing laser Machining head auxiliary focusing mechanism, belong to Laser Processing technical field of auxiliary equipment.
Background technology
At present, laser process equipment is widely used in fields such as quasiconductor and microelectronic industry, auto industry, shipping industry, aerospace industries.Due to laser be by carrying out cutting after focusing on, welding, the processing such as punching, therefore laser beam foucing also seems that with the relative position on workpiece to be machined surface exception is the most important.
Conventional laser focusing method mainly has: burned spot method, infrared photography method, aperture scanning method etc..Wherein burned spot method is the most commonly used, and only need to take a l Water Paper is attached to surface of the work, simple；But this method can only provide focus profile substantially to people, and due to the transverse heat transfer effect of material, makes the focus point pattern distortion that burning takes, the most smudgy, focuses inaccurate；And when determining initial processing position, use the ocular estimate that degree of accuracy is the highest, it is impossible to meet the requirement of polish.Above-mentioned this operator, according to known process head focal length size or the size of guiding hot spot, determines that roughly the focusing mode error of defocusing amount is big, efficiency is low, it is impossible to meet the requirement of actual production.
Additionally, focus by measuring the guiding spot size on imaging device, although efficiency and accuracy increase, but additional imaging device cost is greatly improved, adding glazing and there is reflection at material surface, spot size is affected the biggest by material surface state and external interference, and the light spot image Dimensions recognition algorithm that imaging device is obtained is complicated, software development cost is high, to such an extent as to hardly results in extensively application.
Summary of the invention
Present invention is primarily targeted at, overcome deficiency of the prior art, it is provided that be a kind of based on pressure sensing laser Machining head auxiliary focusing mechanism, be particularly well-suited to the laser process equipments such as laser welding, cut and laser melting coating.
The technical problem to be solved be to provide compact conformation, easy accessibility, making easy, safe and reliable, practical based on pressure sensing laser Machining head auxiliary focusing mechanism, not only can realize the exact focus of laser Machining head, and can the most arbitrarily regulate defocusing amount, applied widely, there is the most dual focus function simultaneously, have the value in industry.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of based on pressure sensing laser Machining head auxiliary focusing mechanism, connecing bearing, height adjustment assembly and sensor sleeve soon including be sequentially connected with, being set with focusing pin, defocusing amount instruction pin, Hookean spring, upper cushion block and connection in described sensor sleeve successively has the pressure transducer of signal output interface.
Wherein, described pressure transducer pushes down upper cushion block with sensor sleeve after being connected, and the outer surface of described sensor sleeve draws the notch having defocusing amount scale, lateral wall to offer for defocusing amount instruction pin sliding.
And, the initial position of described defocusing amount instruction pin points to the start index of defocusing amount scale, completes manually to focus by the artificial defocusing amount scale acquisition defocusing amount that reads after pin pressurized of focusing drives defocusing amount instruction pin to move；Described signal output interface is connected with the data collecting system of peripheral hardware, when focusing pin pressurized drive Hookean spring compression by upper cushion block by pressure transmission to pressure transducer after by data collecting system carry out pressure signal process acquisition defocusing amount realize auto-focusing.
The present invention is further arranged to: also include transition disc, and its end face is connected with the bottom surface connecing bearing soon, bottom surface is connected with height adjustment assembly.
The present invention is further arranged to: it is protruding that the end face of described transition disc is provided with external screw thread, and the described bottom surface connecing bearing soon is provided with the female thread groove being connected that matches with external screw thread projection.
The present invention is further arranged to: described height adjustment assembly includes that external thread column and inner thread sleeve, described external thread column are connected in inner thread sleeve by screw thread, and the bottom surface of described inner thread sleeve is connected with the end face of sensor sleeve.
The present invention is further arranged to: the bottom surface of described inner thread sleeve is threaded connection with the end face of sensor sleeve.
The present invention is further arranged to: the bottom surface of described inner thread sleeve is provided with female thread pit, and the end face of described sensor sleeve is provided with the external screw thread breach being connected that matches with female thread pit.
The present invention is further arranged to: described external thread column is that hollow is arranged；Described external thread column and inner thread sleeve all use aluminum alloy materials.
The present invention is further arranged to: the inner tube wall of described sensor sleeve is provided with for threadeding fixing internal thread segment with pressure transducer, and described pressure transducer pushes down upper cushion block after being connected with internal thread segment screw thread by bottom external screw thread.
The present invention is further arranged to: described bearing, transition disc, upper cushion block and the sensor sleeve of connecing soon all uses aluminum alloy materials, described focusing pin to be stainless steel material.
The present invention is further arranged to: the needle end of described focusing pin is round end or tip.
Compared with prior art, the invention have the advantages that: not only can realize the exact focus of laser Machining head, and can the most arbitrarily regulate defocusing amount, there is the plurality of advantages that compact conformation, easy accessibility, making are easy, safe and reliable, practical, applied widely.
Foregoing is only the general introduction of technical solution of the present invention, and in order to be better understood upon the technological means of the present invention, the invention will be further described below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation based on pressure sensing laser Machining head auxiliary focusing mechanism of the present invention.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, a kind of based on pressure sensing laser Machining head auxiliary focusing mechanism, bearing 1, transition disc 2, height adjustment assembly and sensor sleeve 10 is connect soon including be sequentially connected with, described height adjustment assembly includes external thread column 3 and inner thread sleeve 4, described external thread column 3 is connected in inner thread sleeve 4 by screw thread, and the bottom surface of described inner thread sleeve 4 is connected with the end face of sensor sleeve 10；Described sensor sleeve 10 is set with focusing pin 11, defocusing amount instruction pin 9, Hookean spring 8, upper cushion block 7 successively and connects the pressure transducer 6 having signal output interface 5, described pressure transducer 6 pushes down upper cushion block 7 with sensor sleeve 10 after being connected, the outer surface of described sensor sleeve 10 draws the notch (not shown) having defocusing amount scale 12, lateral wall to offer for defocusing amount instruction pin 9 sliding.
The initial position of described defocusing amount instruction pin 9 points to start index kx of defocusing amount scale 12, completes manually to focus when pin 11 pressurized of focusing drives defocusing amount instruction pin 9 to obtain defocusing amount by artificial reading defocusing amount scale 12 after moving；Described signal output interface 5 is connected with the data collecting system (not shown) of peripheral hardware, when focusing pin 11 pressurized drive Hookean spring 8 compress by upper cushion block 7 by pressure transmission to pressure transducer 6 after by data collecting system carry out pressure signal process acquisition defocusing amount realize auto-focusing.
In order to alleviate the weight of whole auxiliary focusing mechanism, described bearing 1, transition disc 2, external thread column 3, inner thread sleeve 4, upper cushion block 7 and the sensor sleeve 10 of connecing soon all uses aluminum alloy materials, described focusing pin 11 is stainless steel material, and described external thread column 3 uses hollow to arrange.
The described bearing 1 that connects soon is for being attached with laser Machining head (as first-class in plumb joint, cutting head, cladding), can be according to the architectural difference of different manufacturers laser Machining head, the matched connecing bearing 1 soon sets, and can use bolt-type fit structure, thus guarantee turn is joined convenient firm.
The end face of described transition disc 2 is provided with external screw thread projection 21, and the described bottom surface connecing bearing 1 soon is provided with the female thread groove 22 being connected that matches with external screw thread projection 21, and the bottom surface of described transition disc 2 is connected with external thread column 3 screw thread；Described connect bearing 1 soon and transition disc 2 is threaded connection, it is achieved while quickly connecting, bearing 1 can be connect soon for what different laser Machining heads changed different structure, and the focusing mechanism main body connecing below bearing 1 bottom surface soon need not be changed.
Described external thread column 3 is connected in inner thread sleeve 4 by screw thread, the depth assembled by external thread column 3 and inner thread sleeve 4, can regulate the height of whole focusing mechanism, it is ensured that match with the laser Machining head focal length size used；The reach of hollow external thread column 3 and inner thread sleeve 4 directly determines the focal length size of the assembling laser Machining head of auxiliary focusing mechanism, can change hollow external thread column 3 and the length of inner thread sleeve 4 according to actually used laser Machining head focal length size.
The bottom surface of described inner thread sleeve 4 is provided with female thread pit 41, and the end face of described sensor sleeve 10 is provided with the external screw thread breach 42 carrying out threadeding that matches with female thread pit 41；The inner tube wall of described sensor sleeve 10 is provided with for threadeding fixing internal thread segment 61 with pressure transducer 6, and described pressure transducer 6 pushes down upper cushion block 7 after being connected with internal thread segment 61 screw thread by bottom external screw thread.Before inner thread sleeve 4 with sensor sleeve 10 equipment of lower section, first focusing pin 11 should be put into sensor sleeve 10, then indicate pin 9 to load in sensor sleeve 10 Hookean spring 8 and defocusing amount, upper cushion block 7 is placed on Hookean spring 8；Then pressure transducer 6 is connected by the female thread of sensor sleeve 10, adjust the screw-in depth of screw thread, withstand cushion block 7, the signal output interface 5 of pressure transducer 6 is drawn by sensor sleeve 10 sidewall notch；Finally sensor sleeve 10 being fitted together with inner thread sleeve 4, the assembling of the most whole auxiliary focusing mechanism is complete.
Implementation process: employing reach is all hollow external thread column 3 and the inner thread sleeve 4 of 120 mm, model is the pressure transducer 6 of XPCM10, screw thread installation dimension is M10, a diameter of 7 mm of Hookean spring 8, long 80 mm, can linear compression length > 40 mm, the front end needle end of focusing pin 11 uses the round end (as shown in the figure) of a diameter of 4mm, is suitable for the laser-processing system that laser Machining head focal length is 200 ~ 350 mm and focuses for smooth machined material.
Wherein, the adjusting range of defocusing amount can linear compression length determine by Hookean spring 8, focus adjustment scope be that-20mm ~ 20mm requirement can linear compression length > 40mm；If focus adjustment area requirement is-30mm ~ 30mm, then require that the Hookean spring 8 selected can linear compression length > 60 mm, by that analogy.
But, for irregular material to be processed focusing surface, focusing pin 11 can use the tip that radius is less, as focused in grooves of welding joints, can use the focusing pin of a diameter of 1mm of needle end, it is ensured that the reliable of focusing pin 11 needle end arrives.
After assembling, by adjusting external thread column 3 and the degree of depth of inner thread sleeve 4 assembling so that the focal length zero point baseline of laser Machining head, to the size of the distance 20mm longer than known focal length of focusing pin 11 needle point, completes auxiliary focusing mechanism adjustment work.
Focus process is: make laser Machining head move down, focusing pin 11 needle end is allowed just to touch material surface to be processed, being now in positive out-of-focus appearance, defocusing amount is 20mm, can read defocusing amount kx from the defocusing amount scale 12 that defocusing amount instruction pin 9 indicates on sensor sleeve 10 and be 20 mm；Laser Machining head continues to move down, focusing pin 11 pressurized, and then make Hookean spring 8 pressurized, drive defocusing amount instruction pin 9 in sensor sleeve 10 sidewall notch on move, instruction defocusing amount diminishes, thus can read the defocusing amount of any time, defocusing amount indicating range is changed from 20mm to-20mm interval.Such as auto-focusing to be realized, the signal output interface 5 that pressure transducer 6 is drawn can be connected with data collecting system, gather the signal of telecommunication of pressure transducer 6 output, linear calibration at the signal of telecommunication carrying out defocusing amount and collect, set the size of defocusing amount by computer programming and control the defocusing amount needed for actuator (such as robot) motion obtains, thus realizing auto-focusing.
The innovative point of the present invention is, can realize the exact focus of laser Machining head, and can the most arbitrarily regulate defocusing amount.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; the principle that the present invention is simply described described in above-described embodiment and description; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (10)
1. one kind based on pressure sensing laser Machining head auxiliary focusing mechanism, it is characterized in that: include that be sequentially connected with connects bearing, height adjustment assembly and sensor sleeve soon, being set with focusing pin, defocusing amount instruction pin, Hookean spring, upper cushion block and connection in described sensor sleeve successively has the pressure transducer of signal output interface；
Described pressure transducer pushes down upper cushion block with sensor sleeve after being connected, the outer surface of described sensor sleeve draws the notch having defocusing amount scale, lateral wall to offer for defocusing amount instruction pin sliding；
The initial position of described defocusing amount instruction pin points to the start index of defocusing amount scale, completes manually to focus by the artificial defocusing amount scale acquisition defocusing amount that reads after pin pressurized of focusing drives defocusing amount instruction pin to move；
Described signal output interface is connected with the data collecting system of peripheral hardware, when focusing pin pressurized drive Hookean spring compression by upper cushion block by pressure transmission to pressure transducer after by data collecting system carry out pressure signal process acquisition defocusing amount realize auto-focusing.
One the most according to claim 1 is based on pressure sensing laser Machining head auxiliary focusing mechanism, it is characterised in that: also including transition disc, its end face is connected with the bottom surface connecing bearing soon, bottom surface is connected with height adjustment assembly.
One the most according to claim 2 is based on pressure sensing laser Machining head auxiliary focusing mechanism, it is characterized in that: it is protruding that the end face of described transition disc is provided with external screw thread, and the described bottom surface connecing bearing soon is provided with the female thread groove being connected that matches with external screw thread projection.
One the most according to claim 1 is based on pressure sensing laser Machining head auxiliary focusing mechanism, it is characterized in that: described height adjustment assembly includes external thread column and inner thread sleeve, described external thread column is connected in inner thread sleeve by screw thread, and the bottom surface of described inner thread sleeve is connected with the end face of sensor sleeve.
One the most according to claim 4 is based on pressure sensing laser Machining head auxiliary focusing mechanism, it is characterised in that: the bottom surface of described inner thread sleeve is threaded connection with the end face of sensor sleeve.
One the most according to claim 4 is based on pressure sensing laser Machining head auxiliary focusing mechanism, it is characterized in that: the bottom surface of described inner thread sleeve is provided with female thread pit, the end face of described sensor sleeve is provided with the external screw thread breach being connected that matches with female thread pit.
One the most according to claim 4 is based on pressure sensing laser Machining head auxiliary focusing mechanism, it is characterised in that: described external thread column is that hollow is arranged；Described external thread column and inner thread sleeve all use aluminum alloy materials.
One the most according to claim 1 is based on pressure sensing laser Machining head auxiliary focusing mechanism, it is characterized in that: the inner tube wall of described sensor sleeve is provided with for threadeding fixing internal thread segment with pressure transducer, described pressure transducer pushes down upper cushion block after being connected with internal thread segment screw thread by bottom external screw thread.
One the most according to claim 2 is based on pressure sensing laser Machining head auxiliary focusing mechanism, it is characterised in that: described bearing, transition disc, upper cushion block and the sensor sleeve of connecing soon all uses aluminum alloy materials, described focusing pin to be stainless steel material.
One the most according to claim 1 is based on pressure sensing laser Machining head auxiliary focusing mechanism, it is characterised in that: the needle end of described focusing pin is round end or tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510284387.2A CN104842065B (en) | 2015-05-28 | 2015-05-28 | A kind of based on pressure sensing laser Machining head auxiliary focusing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510284387.2A CN104842065B (en) | 2015-05-28 | 2015-05-28 | A kind of based on pressure sensing laser Machining head auxiliary focusing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104842065A CN104842065A (en) | 2015-08-19 |
| CN104842065B true CN104842065B (en) | 2016-08-24 |
Family
ID=53842253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510284387.2A Active CN104842065B (en) | 2015-05-28 | 2015-05-28 | A kind of based on pressure sensing laser Machining head auxiliary focusing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104842065B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562924B (en) * | 2016-02-02 | 2017-03-22 | 重庆凯沃德光电自动化设备有限公司 | Auxiliary focusing method for laser machining equipment |
| CN106181026B (en) * | 2016-08-15 | 2018-09-07 | 中国航空工业集团公司北京航空制造工程研究所 | A kind of focal position in laser processing determines equipment, method and device |
| CN106077874A (en) * | 2016-08-23 | 2016-11-09 | 贵州西南工具(集团)有限公司 | A kind of cutter high frequency brazing pressure apparatus and using method |
| CN110747468B (en) * | 2019-12-03 | 2024-03-26 | 浙江工业大学 | Coaxial type foldable laser cladding focusing and defocusing amount adjusting device |
| CN113640985A (en) * | 2021-07-16 | 2021-11-12 | 贵州大学 | A Method for Continuous Adjustment of Spatial Shape of Focused Fiber Laser Beam |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60166185A (en) * | 1984-02-10 | 1985-08-29 | Mitsubishi Electric Corp | Focusing device for laser |
| JPH10305383A (en) * | 1997-05-12 | 1998-11-17 | Amada Co Ltd | Method and device for laser processing |
| CN1390649A (en) * | 2002-07-05 | 2003-01-15 | 清华大学 | Noozle for laser smelting deposition by vertically feeding powder |
| CN2739741Y (en) * | 2004-11-05 | 2005-11-09 | 中国航空工业第一集团公司北京航空制造工程研究所 | Laser welding curve seam robot demonstrating device |
| CN203992832U (en) * | 2014-07-28 | 2014-12-10 | 温州市镭诺科技有限公司 | A kind of laser cutting machine |
| CN104588885A (en) * | 2015-01-22 | 2015-05-06 | 天津市激光技术研究所 | Self-gravity focusing tracking device for laser engraving of shaped curve surface |
-
2015
- 2015-05-28 CN CN201510284387.2A patent/CN104842065B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60166185A (en) * | 1984-02-10 | 1985-08-29 | Mitsubishi Electric Corp | Focusing device for laser |
| JPH10305383A (en) * | 1997-05-12 | 1998-11-17 | Amada Co Ltd | Method and device for laser processing |
| CN1390649A (en) * | 2002-07-05 | 2003-01-15 | 清华大学 | Noozle for laser smelting deposition by vertically feeding powder |
| CN2739741Y (en) * | 2004-11-05 | 2005-11-09 | 中国航空工业第一集团公司北京航空制造工程研究所 | Laser welding curve seam robot demonstrating device |
| CN203992832U (en) * | 2014-07-28 | 2014-12-10 | 温州市镭诺科技有限公司 | A kind of laser cutting machine |
| CN104588885A (en) * | 2015-01-22 | 2015-05-06 | 天津市激光技术研究所 | Self-gravity focusing tracking device for laser engraving of shaped curve surface |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104842065A (en) | 2015-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104842065B (en) | A kind of based on pressure sensing laser Machining head auxiliary focusing mechanism | |
| US10393505B2 (en) | Device and method for measuring workpieces | |
| CN108422079B (en) | Control device of laser cutting system | |
| CN101422848B (en) | Distance-measurement focusing method applied for laser cutting processing | |
| CN201128048Y (en) | Laser machine with laser processing nozzle-adjusting apparatus | |
| CN101856773A (en) | Focusing positioning method for laser processing initial position and laser processing device | |
| CN103476537A (en) | Device for focusing a laser beam and method for monitoring a laser machining process | |
| CN104816072B (en) | Method and system for laser measurement welding tracking of tiny joint seams of complex curved surface thin wall board | |
| DE102014117978A1 (en) | Apparatus and method for measuring workpieces | |
| US10036629B2 (en) | Optical thread profiler | |
| CN102485401A (en) | Automatic welding equipment and welding method for bellows used in transformer | |
| CN201693290U (en) | A laser processing device | |
| JP3918583B2 (en) | High density energy processing apparatus and high density energy processing method | |
| JP7645460B2 (en) | Method for calibrating laser welding equipment | |
| Liu et al. | An improved image acquisition method for measuring hot forgings using machine vision | |
| KR100925647B1 (en) | Sensing device for position correction of machining tool for machining oil groove on inner surface of cylinder and method for position correction of machining tool using same | |
| JP2021065897A (en) | Control device, control system, and program | |
| CN213560635U (en) | Zero focus correcting unit of laser cutting head | |
| CN105108358A (en) | Real-time detection and control device and method for slit width image of carbon dioxide laser cut die plate | |
| CN109865937B (en) | A compound vision detection system and method for butt joints without forward sight distance | |
| CN219113159U (en) | Homogenizing light spot welding optical system | |
| CN209206715U (en) | Laser welding head | |
| JP7539084B2 (en) | Laser processing system and fixture | |
| CN117268287A (en) | Contour measuring device and method for internal structure of workpiece | |
| CN201149481Y (en) | Device for automatically measuring jackrod inner thickened segment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 210031, 68 North Pearl Road, Taishan Park, Nanjing hi tech Development Zone, Jiangsu, China Applicant after: NANJING ZHONGCHE PUZHEN URBAN RAIL VEHICLE CO., LTD. Address before: 210031 hi tech Development Zone, Jiangsu, Nanjing Applicant before: CSR Nanjing Puzhen Mass Transit Vehicle Co., Ltd |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |