CN101176952A - Auxiliary focusing mechanism of laser marking machine and use method thereof - Google Patents
Auxiliary focusing mechanism of laser marking machine and use method thereof Download PDFInfo
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- CN101176952A CN101176952A CN 200710050710 CN200710050710A CN101176952A CN 101176952 A CN101176952 A CN 101176952A CN 200710050710 CN200710050710 CN 200710050710 CN 200710050710 A CN200710050710 A CN 200710050710A CN 101176952 A CN101176952 A CN 101176952A
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Abstract
The invention relates to an auxiliary focusing device for laser marking system and the application method; wherein, the device comprises two supports, and two light pens which can give off visible parallel beam and is connected with a controllable power. The supports capable of moving horizontally are arranged on the focus mirror bases at both side of the focus mirror and the two light pens are pivotally arranged on the two supports respectively. Spinning and translating locking devices are arranged on the supports and the side-to-side translation of the supports with the spinning of the light pen can adjust the beam locating on the worktable. The invention adopts the application method that: first regulating and adjusting the distance between the focus mirror and the worktable, which enables the laser beam to focus on the processing workpiece on the worktable and the strongest sparkle serves as the focal point, namely the center of the scanning area, then switching on the light pens and regulate the two beams to overlap on the sparkle on the processing workpiece and lock tightly. The regulation of the distance between the worktable and the focus mirror with the light pens coinciding on the intersection point of the optic axis of the focus mirror and the planar, and focusing and the working counter pointing are both convenient.
Description
(1) technical field
The present invention relates to a kind of auxiliary focusing control device and using method, be specially a kind of laser marking machine auxiliary focusing device and using method.
(2) background technology
Laser marking machine is a kind of equipment that carries out marking processing with laser beam, mainly comprises laser generator, scanning system, focus lamp and other relevant control module.Laser beam via scanning system after the incident focus lamp, the light beam of parallel incident is focused on the focal plane of focus lamp, the scanning light beam after the focusing etches the pattern of expectation at surface of the work.When surface of the work is positioned at when focusing on the field lens focal plane, the spot diameter minimum, laser energy density is the highest, etching effect is the meticulousst, most effective.Thereby, when using laser marking machine, always need to regulate the relative distance on focus lamp and work piece surface, surface to be machined is positioned on the focus lamp focal plane.
Focusing in the past is the below that workpiece is placed on focus lamp, control module control laser generator discharges laser beam and acts on the workpiece surface to be machined, operating personnel adjust the relative distance of focus lamp and workpiece surface to be machined, the laser beam that detects by an unaided eye simultaneously acts on the size that surface to be machined forms spark, illustrates that when the spark maximum, when sound is the loudest the workpiece surface to be machined is positioned at the focal plane.The method of this focusing of judgement by rule of thumb bothers for the operating personnel that lack experience very much, reaches optimum state because of being difficult to focusing, thereby influences the marking effect.Simultaneously, the focusing process will be lost a workpiece at least, and will be very unfortunate.People at the thin metallic plate protection workpiece of surface of the work pad last layer, focus according to the situation that light beam acts on the metallic plate, but this moment, sample plane were not the surface of the work of final processing yet, and this mode requires operating personnel to possess higher skill and experience.
In addition, even certain workpiece focusing is finished, invisible because of laser beam, operating personnel are still difficult after changing workpiece places workpiece suitable position and realizes focusing, is not easy to the workpiece contraposition.
(3) summary of the invention
The objective of the invention is to design a kind of laser marking machine auxiliary focusing device and using method, can indicate the position of focal plane and sweep center point, make focusing and workpiece contraposition process convenient, accurate.
The laser marking machine auxiliary focusing device of the present invention's design, laser marking machine contains laser generator, is installed in the focus lamp of focus lamp base, workbench, but focus lamp base or workbench upper and lower translation change the distance between the two; Also comprise two supports, two light pens that can send visible collimated light beam, light pen is connected with controllable electric power.But be installed in to two support move left and right on the focus lamp base of the both sides that are positioned at focus lamp, two light pens are installed in rotation on respectively on two supports.The locking device that rotation and translation are arranged on the support.
There is screwed hole the focus lamp both sides under the focus lamp base, both sides screwed hole and focus lamp center are in line, and a top of the trellis has mounting hole or guide groove, and the translation lock screw is passed the screwed hole under mounting hole or the guide groove connection base, but support move left and right, translation lock screw fixed support and focus lamp base.Rotating shaft or spherical axle joint are arranged on the support, and light pen bar afterbody is installed on rotating shaft or the spherical axle joint, but the spin locking screw of fixed rotating shaft or spherical axle joint and support is arranged on the support.Light pen can rotate along rotating shaft or spherical joint, and the spin locking screw is light pen and support fixedly.
Light pen rotates the angle that promptly changes light pen light beam and focus lamp axis, and translation of the support left and right sides and light pen rotate the drop point of light beam on work top of adjustable lay the grain pen.
Laser marking machine auxiliary focusing device using method of the present invention is: regulate earlier after this laser marking machine auxiliary focusing device is installed, open laser marking machine and make the primary optical axis of laser beam through focus lamp, accurately adjust focus lamp base or workbench by the professional, promptly adjust the distance between focus lamp and the workbench, according to the spark maximum, sound is the loudest to make laser beam focus on workpiece machined surface on the work top vertical with the focus lamp optical axis, be that the workpiece machined surface is its focal plane, this moment laser beam to drop on the strongest " the spark point " that form on the focal plane be the focus of focus lamp, also be the central point of scanning area.Connect the light pen power supply this moment, light pen sends visible collimated light beam, the both sides light pen is adjusted in translation focus lamp two side stands and/or rotation respectively, make drop point and " the spark point " it on of visible light beam on the workpiece machined surface of two light pens overlapping successively, regulate the locking device on the back tightening light pen support, the intersection point of two light pen light beams is exactly the central point of the focus and the scanning area of focus lamp.
When using this laser marking machine focusing mechanism after adjusting is finished, after being placed on workpiece on the workbench, open the power supply of this auxiliary focusing device light pen earlier, regulate the distance of workbench and focus lamp, the light beam of two light pens is intersected on the workpiece machined surface, the workpiece machined surface is exactly the focal plane, and the luminous point of the two light pen light beams that coincide of this moment is the optical axis of focus lamp and the intersection point of focal plane, and focusing and workpiece contraposition are all very convenient.
The beneficial effect of laser marking machine auxiliary focusing device of the present invention and using method is: (1) convenient, fast with two light pen light beams, find the laser focus point exactly on the workpiece work surface; Guarantee that workpiece is on the focal plane, makes the marking best results; (2) focus by the light pen light beam, need not to be workpiece of focusing waste; (3) after the Installation and Debugging of this device, help the operating personnel of marking machine to focus and the contraposition of workpiece machining center point, operating personnel's experience and skill required reduction by the visible point of light of light pen; (4) this apparatus structure is simple, is easy to be equipped with on laser marking machine, need not to change the laser marking machine original structure.
(4) description of drawings
Fig. 1 is the structural representation of this laser marking machine auxiliary focusing device embodiment.
Be labeled as among the figure: 1, focus lamp base, 2, the translation lock screw, 3, the light pen support, 4, light pen, 5, focus lamp, 6, rotating shaft, 7, the twist-lock screw, 8, workpiece, 9, workbench.
(5) specific embodiment
Figure 1 shows that this laser marking machine auxiliary focusing device embodiment, laser marking machine contains laser generator, is installed in the focus lamp 5 of focus lamp base 1, the workbench 9 of place work piece 8, also comprise two light pen supports 3, two light pen 4, two light pens 4 external controllable electric powers that can send visible collimated light beam.The focus lamp base 1 that focus lamp 5 is installed in the present embodiment is fixing, but workbench 9 upper and lower translations of place work piece 8.
There is screwed hole 1 time focus lamp 5 both sides of focus lamp base, both sides screwed hole and focus lamp 5 centers are in line, mounting hole is arranged at two supports, 3 tops, translation lock screw 2 is passed the screwed hole under the mounting hole connection focus lamp base 1, support 3 in focus lamp 5 both sides can be along the mounting hole move left and right, and the drop point of the light beam of light pen 4 gets final product move left and right.Tightening translation lock screw 2 fixed supports 3 and focus lamp base 1 after support 3 left and right sides position adjustments.Rotating shaft 6 is arranged on the support 3, and light pen 4 bar afterbodys are installed in the rotating shaft 6, but the spin locking screw 7 of fixed rotating shaft 6 and support 3 is arranged on the support 3.Light pen rotates the angle that promptly changes light pen light beam and focus lamp 5 axis along rotating shaft 6, changes the drop point of light pen light beam on workpiece 8 machined surfaces, regulates back tightening spin locking screw 7 fixed rotating shafts 6.In the present embodiment, also can be that workbench 9 is fixing, focus lamp base 1 upper and lower translation be regulated the distance between workbench 9 and the focus lamp 5.
Laser marking machine auxiliary focusing device using method embodiment of the present invention is as follows:
This laser marking machine auxiliary focusing device is regulated earlier after installing, open laser marking machine, accurately adjust the distance between focus lamp 5 and the workbench 9, the loudest according to spark maximum, sound, make laser beam focus on workpiece machined surface on 9 of the workbench through focus lamp 5, to be workpiece 8 machined surfaces be its focal plane, this moment laser beam to drop on the strongest " the spark point " that form on the focal plane be the focus of focus lamp 5, also be the scanning area central point; Connect light pen 4 power supplys this moment, both sides light pen 4 is adjusted in 5 liang of side stands 3 of left and right sides translation focus lamp and/or rotation respectively, make drop point and " the spark point " it on of visible light beam on workpiece 8 machined surfaces of two light pens 4 overlapping successively, regulate rotation and translation locking device on the back tightening light pen support 3, the intersection point of two light pen 4 light beams is exactly the central point of the focus and the scanning area of focus lamp 5.As shown in Figure 1, solid line is represented the laser beam that focuses on, and dotted line is represented the light beam of light pen.
When using this laser marking machine focusing mechanism after adjusting is finished, after being placed on workpiece 8 on the workbench 9, open the power supply of light pen 4 earlier, regulate the distance of workbench 9 and focus lamp 5, the light beam of two light pens 4 is intersected on workpiece 8 machined surfaces, the luminous point of two light pens, 4 light beams that coincide of this moment is the optical axis of focus lamp 5 and the intersection point of focal plane, and focusing and workpiece contraposition are all very convenient.
Claims (3)
1. laser marking machine auxiliary focusing device, laser marking machine contain laser generator, are installed in the focus lamp of focus lamp base (1) (5), the workbench (9) of place work piece (8), focus lamp base (1) or workbench (9) but upper and lower translation; It is characterized in that:
Also comprise two light pen supports (3), two light pens (4) that can send visible collimated light beam, the external controllable electric power of two light pens (4); Two supports (3) but move left and right be installed on the focus lamp base (1) of the both sides that are positioned at focus lamp (5), two light pens (4) are installed in rotation on respectively on two supports (3); The locking device that rotation and translation are arranged on the support (3).
2. laser marking machine auxiliary focusing device according to claim 1 is characterized in that:
Described focus lamp base (1) has screwed hole in focus lamp (5) both sides down, both sides screwed hole and focus lamp (5) center is in line, mounting hole or guide groove are arranged at two supports (3) top, and translation lock screw (2) is passed the screwed hole under mounting hole or the guide groove connection focus lamp base (1); Rotating shaft (6) or spherical axle joint are arranged on the support (3), and light pen (4) bar afterbody is installed on rotating shaft (6) or the spherical axle joint, support (3) but on the spin locking screw (7) of fixed rotating shaft (6) or spherical axle joint and support (3) is arranged.
3. the using method of laser marking machine auxiliary focusing device according to claim 1 and 2 is characterized in that:
Described laser marking machine auxiliary focusing device is regulated earlier after installing, open laser marking machine, accurately adjust the distance between focus lamp (5) and the workbench (9), make laser beam focus on workpiece (8) machined surface on workbench (9) face through focus lamp (5), it is the focus of focus lamp (5) that laser beam drops on the strongest " the spark point " that form on this plane, also is the scanning area central point; Connect the power supply of light pen (4), both sides light pens (4) are adjusted in left and right sides translation focus lamp (5) two side stands (3) and/or rotation respectively, make drop point and " the spark point " it on of visible light beam on workpiece (8) machined surface of two light pens (4) overlapping successively, regulate rotation and translation locking device on the back tightening light pen support (3);
Use when this laser marking machine focusing mechanism is housed after adjusting is finished, after being placed on workpiece (8) on the workbench (9), open the power supply of light pen (4), regulate the distance of workbench (9) and focus lamp (5), the light beam of two light pens (4) is intersected on workpiece (8) machined surface, and the luminous point of two light pens (4) light beam that coincides is the optical axis of focus lamp (5) and the intersection point of focal plane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200710050710 CN101176952A (en) | 2007-12-04 | 2007-12-04 | Auxiliary focusing mechanism of laser marking machine and use method thereof |
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| CN 200710050710 CN101176952A (en) | 2007-12-04 | 2007-12-04 | Auxiliary focusing mechanism of laser marking machine and use method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921560A (en) * | 2014-04-03 | 2014-07-16 | 南京先进激光技术研究院 | Laser color marking method and system |
| CN104210241A (en) * | 2014-09-18 | 2014-12-17 | 深圳市杰普特电子技术有限公司 | Rapid focusing method of laser marking machine |
| CN106041297A (en) * | 2016-07-21 | 2016-10-26 | 武汉锐科光纤激光技术股份有限公司 | Laser marking focus calibration device and calibration method |
| CN106181026A (en) * | 2016-08-15 | 2016-12-07 | 中国航空工业集团公司北京航空制造工程研究所 | Focal position in a kind of Laser Processing determines equipment, method and device |
| CN107009029A (en) * | 2017-06-08 | 2017-08-04 | 杭州电子科技大学 | Broaching tool cutter tooth cross-scale surface pattern intelligence preparation method and device |
| CN107116300A (en) * | 2017-07-07 | 2017-09-01 | 重庆镭宝激光科技有限公司 | A kind of laser Machining head with automatic focusing function |
| CN107262919A (en) * | 2017-07-07 | 2017-10-20 | 重庆镭宝激光科技有限公司 | A kind of Atomatic focusing method of laser process equipment |
| CN108723365A (en) * | 2018-03-15 | 2018-11-02 | 大族激光科技产业集团股份有限公司 | Burnt method and system are looked in a kind of laser 3D printing automatically |
| CN109062013A (en) * | 2018-09-06 | 2018-12-21 | 重庆科技学院 | A kind of litho machine small workpiece fixture |
| CN110142507A (en) * | 2019-05-13 | 2019-08-20 | 大族激光科技产业集团股份有限公司 | A kind of laser welding system and method for metal plate |
| CN110566997A (en) * | 2018-06-05 | 2019-12-13 | 青岛海尔智能技术研发有限公司 | Laser ignition device and gas water heater |
| CN113182669A (en) * | 2021-03-23 | 2021-07-30 | 中国船舶重工集团公司第七二五研究所 | Method and device for laser welding position indication |
| CN115178888A (en) * | 2022-09-13 | 2022-10-14 | 张家港九霞激光设备有限公司 | Automatic focusing device for laser marking machine |
-
2007
- 2007-12-04 CN CN 200710050710 patent/CN101176952A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921560B (en) * | 2014-04-03 | 2016-01-20 | 南京先进激光技术研究院 | A kind of laser color marking method and system |
| CN103921560A (en) * | 2014-04-03 | 2014-07-16 | 南京先进激光技术研究院 | Laser color marking method and system |
| CN104210241A (en) * | 2014-09-18 | 2014-12-17 | 深圳市杰普特电子技术有限公司 | Rapid focusing method of laser marking machine |
| CN106041297B (en) * | 2016-07-21 | 2017-10-27 | 武汉锐科光纤激光技术股份有限公司 | A kind of laser marking focus calibrating installation and calibration method |
| CN106041297A (en) * | 2016-07-21 | 2016-10-26 | 武汉锐科光纤激光技术股份有限公司 | Laser marking focus calibration device and calibration method |
| CN106181026A (en) * | 2016-08-15 | 2016-12-07 | 中国航空工业集团公司北京航空制造工程研究所 | Focal position in a kind of Laser Processing determines equipment, method and device |
| CN107009029A (en) * | 2017-06-08 | 2017-08-04 | 杭州电子科技大学 | Broaching tool cutter tooth cross-scale surface pattern intelligence preparation method and device |
| CN107009029B (en) * | 2017-06-08 | 2018-10-12 | 杭州电子科技大学 | Broaching tool cutter tooth cross-scale surface pattern intelligence preparation method and device |
| CN107116300A (en) * | 2017-07-07 | 2017-09-01 | 重庆镭宝激光科技有限公司 | A kind of laser Machining head with automatic focusing function |
| CN107262919A (en) * | 2017-07-07 | 2017-10-20 | 重庆镭宝激光科技有限公司 | A kind of Atomatic focusing method of laser process equipment |
| CN108723365A (en) * | 2018-03-15 | 2018-11-02 | 大族激光科技产业集团股份有限公司 | Burnt method and system are looked in a kind of laser 3D printing automatically |
| CN110566997A (en) * | 2018-06-05 | 2019-12-13 | 青岛海尔智能技术研发有限公司 | Laser ignition device and gas water heater |
| CN109062013A (en) * | 2018-09-06 | 2018-12-21 | 重庆科技学院 | A kind of litho machine small workpiece fixture |
| CN109062013B (en) * | 2018-09-06 | 2023-06-06 | 重庆科技学院 | Small workpiece fixture of photoetching machine |
| CN110142507A (en) * | 2019-05-13 | 2019-08-20 | 大族激光科技产业集团股份有限公司 | A kind of laser welding system and method for metal plate |
| CN113182669A (en) * | 2021-03-23 | 2021-07-30 | 中国船舶重工集团公司第七二五研究所 | Method and device for laser welding position indication |
| CN115178888A (en) * | 2022-09-13 | 2022-10-14 | 张家港九霞激光设备有限公司 | Automatic focusing device for laser marking machine |
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Owner name: GUILIN STAR TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: GUILIN STAR POWER ELECTRONICS CO., LTD. |
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Effective date of registration: 20100415 Address after: 518075, Nanshan District, Guangdong hi tech Zone, Shenzhen District, Tsinghua information port, phase I building, A building, Room 301, room 3 Applicant after: Shenzhen Stars Technology Co., Ltd. Co-applicant after: Guilin Stars Technology Co., Ltd. Address before: 518075, Nanshan District, Guangdong hi tech Zone, Shenzhen District, Tsinghua information port, phase I building, A building, Room 301, room 3 Applicant before: Shenzhen Stars Technology Co., Ltd. Co-applicant before: Guilin Stars Power Electrornics Co., Ltd. |
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Open date: 20080514 |