CN103212815B - The burnt device of multispectral Photoelectric - Google Patents
The burnt device of multispectral Photoelectric Download PDFInfo
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- CN103212815B CN103212815B CN201210015757.9A CN201210015757A CN103212815B CN 103212815 B CN103212815 B CN 103212815B CN 201210015757 A CN201210015757 A CN 201210015757A CN 103212815 B CN103212815 B CN 103212815B
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- photoelectric
- elevating bracket
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- optical filter
- drive motors
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Abstract
The present invention relates to the burnt device of a kind of multispectral Photoelectric, the difficult target-seeking problem in focal position when mainly laser cutting is gone into operation in solution prior art, the present invention is by adopting the burnt device of a kind of multispectral Photoelectric, comprise photoelectric sensor, optical filter gear turntable, rotating disk drive motors, driven wheel, elevating bracket, elevating bracket drive motors, elevating lever, computer control system, the upper and lower two ends of described elevating bracket have groove, elevating bracket drive motors is positioned at elevating bracket lower end inside grooves, below elevating lever, photoelectric sensor is positioned at the center of top groove of elevating lever, when starting Photoelectric Jiao device, described rotating disk drive motors drives optical filter gear turntable to rotate by described driven wheel, optical filter is automatically rotated to the top of photoelectric sensor, light falls on the photosensor by optical filter, sensor photosensitive sends signal, the technical scheme of described signal input computer control system, solve this problem preferably, can be used in the detection of focus lamp job spotlight position.
Description
Technical field
The present invention relates to a kind of detection means for focus lamp job spotlight position, especially for the determination of laser cutting device focus lamp job spotlight position.
Background technology
Laser cutting device approximately parallel laser beam is pooled a minimum high-energy point by focus lamp to carry out high-accuracy cutting and produce, general focal position below cutting head light-emitting window during about 200um cut quality best, as shown in Figure 1, but owing to needing the focus lamp placing different focal in same lens barrel because of cutting demand, or each lens barrel manufacturing tolerance is not quite similar, therefore the position of focus generally can not at ideal position, as shown in Figure 2, so just need to move up and down focus lamp to regulate focal position, draw near by visually observing below cutting head with steel disc in the past, the breakdown critical localisation of steel disc judges focus lamp moves up and down how many, complex operation, there is certain danger, and miss by a mile.
Chinese patent CN101169602 discloses a kind of focusing leveling measuring method and device, relates to the new method of the focusing and leveling sensor-based system being applied to wafer in projection lithography system, belongs to field of optical measurements.The present invention includes three parts: light source collimating module, focusing subsystem and leveling subsystem.Laser instrument of the present invention sends laser and collimates through single-mode fiber, again after drift compensation device, incide on tested silicon chip through polarizing beam splitter and λ/4 wave plate, light is made repeatedly through tested silicon chip through plane mirror and right-angle reflecting prism, recycling set of lenses is amplified before position sensor, obtains silicon chip surface defocus information.Utilize plane optical splitter to be returned along road by light, through lens entrance on Position-Sensitive Detector, thus obtain the two-dimentional inclination information of silicon chip surface.
Chinese patent CN1811519 discloses a kind of laser guiding focusing device for telescope, and it is primarily of compositions such as left connection pawl, right connection pawl, cross bar, montant and semiconductor lasers.Described semiconductor laser is placed on telescope ocular front end, the laser beam regulating semiconductor laser to send passes telescope directive level crossing back reflection at a distance on scale, regulate hot spot on scale, become a fleck again, which achieves telescope laser guide and focusing function.
Invention is a kind of burnt device of multispectral Photoelectric of focus lamp job spotlight position, and under this part is placed on cutting head, opening program will Automatic-searching focal position.
Summary of the invention
Technical problem to be solved by this invention is the problem that the laser cutting device focus lamp job spotlight existed in prior art is difficult to find, and the invention provides the burnt device of a kind of multispectral Photoelectric newly, and the burnt utensil of this multispectral Photoelectric has easily seeks burnt advantage.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows: the burnt device of a kind of multispectral Photoelectric, comprise photoelectric sensor, optical filter gear turntable, rotating disk drive motors, driven wheel, elevating bracket, elevating bracket drive motors, elevating lever, computer control system, the upper and lower two ends of described elevating bracket have groove, elevating bracket drive motors is positioned at elevating bracket lower end inside grooves, below elevating lever, elevating bracket drive motors upper end is connected with elevating lever bottom, elevating lever is arranged in the upper grooves of elevating bracket, photoelectric sensor is positioned at the center of top groove of elevating lever, when starting Photoelectric Jiao device, described rotating disk drive motors drives optical filter gear turntable to rotate by described driven wheel, optical filter is automatically rotated to the top of photoelectric sensor, light falls on the photosensor by optical filter, sensor photosensitive sends signal, described signal input computer control system.
In technique scheme, when laser is penetrated on the photosensor, photoelectric sensor produces signal, the computer control system described in signal input.
The focus searching method of the burnt device of multispectral Photoelectric of the present invention, comprises following several step:
Needs regulate focus lamp move up and down focal position is occupy ideal position below cutting head time, burnt for Photoelectric device is placed on the below of cutting head, start the burnt device of Photoelectric, lambda1-wavelength is set, the burnt device of Photoelectric will be automatically rotated to corresponding optical filter the top of photoelectric sensor, then laser instrument bright dipping is opened, light falls on the photosensor by optical filter, sensor photosensitive sends signal, computer starts operation control, when lifting platform is raised to certain altitude and hot spot becomes more minimum, control system stops elevating bracket work automatically, as Fig. 4.Measure cutting head light-emitting window apart from multispectral Photoelectric burnt device upper surface distance, cut about 200um is the ideal position of focus lamp focus, according to cutting effect vernier focusing mirror position with satisfied cutting demand.
In technique scheme, described cutting constant L is relevant with the performance of laser cutting machine, and the numerical value of L is generally 200um.
When the invention solves that laser cutting is gone into operation in the past, the difficult target-seeking problem in focal position, simple to operate.Optical filter only allows a kind of light of wave band to pass through to fall on the photosensor, and self-protection is strong, and covers most of laser wavelength; highly versatile, operating personnel need not visual Laser Focusing process, safe and reliable; improve debugging efficiency, simple to operate, achieve good technique effect.
Accompanying drawing explanation
Fig. 1 is laser cutting ideal operation view.
Fig. 2 is that focus is not at desirable position view.
Fig. 3 is the burnt device schematic diagram of multispectral Photoelectric.
Fig. 4 is the burnt device outside drawing of multispectral Photoelectric.
Fig. 5 is that burnt process schematic sought by the burnt device of Photoelectric.
Fig. 6 is that burnt process schematic sought by the burnt device of Photoelectric.
In Fig. 1,1 is focus lamp; 2 for converging light; 3 is cutting head light-emitting window; 4 cut steel plate for band.
In Fig. 2,1 is focus lamp; 2 for converging light; 3 is cutting head light-emitting window; 4 cut steel plate for band; 5 move down for focus.
In Fig. 3,31 is photoelectric sensor; 32 is elevating lever; 33 is lifting motor; 34 for being with the driven tooth wheel disc of optical filter; 35 is driven wheel; 36 is rotating disk drive motors; 37 is elevating bracket.
In Fig. 4,41 is ruddiness optical filter; 42 is ruddiness optical filter; 43 is green glow optical filter; 44 is blue filter; 31 is photoelectric sensor.
In Fig. 5,1 is focus lamp; 2 for converging light; 51 is that the burnt device of Photoelectric captures hot spot; 31 is photoelectric sensor; 37 is elevating bracket; 52 is optical filter; 35 is driven wheel.
In Fig. 6,1 is focus lamp; 2 for converging light; 61 for being elevated to focal position.
Below by specific embodiment, the invention will be further elaborated, but be not limited only to the present embodiment.
Specific embodiment
[embodiment 1]
The burnt device of a kind of multispectral Photoelectric, as shown in Figure 3, comprise photoelectric sensor, optical filter gear turntable, rotating disk drive motors, driven wheel, elevating bracket, elevating bracket drive motors, elevating lever, computer control system, the upper and lower two ends of described elevating bracket have groove, elevating bracket drive motors is positioned at elevating bracket lower end inside grooves, below elevating lever, elevating bracket drive motors upper end is connected with elevating lever bottom, elevating lever is arranged in the upper grooves of elevating bracket, photoelectric sensor is positioned at the center of top groove of elevating lever, when starting Photoelectric Jiao device, described rotating disk drive motors drives optical filter gear turntable to rotate by described driven wheel, optical filter is automatically rotated to the top of photoelectric sensor, light falls on the photosensor by optical filter, sensor photosensitive sends signal, described signal input computer control system.
[embodiment 2]
The burnt device of Photoelectric is an independently detection means, is made up of photoelectric sensor, optical filter gear turntable, automatic lifting seat, computer control system.Needs regulate focus lamp move up and down focal position is occupy ideal position below cutting head time, burnt for Photoelectric device is placed on the below of cutting head, start the burnt device of Photoelectric, lambda1-wavelength is set, the burnt device of Photoelectric will be automatically rotated to corresponding optical filter the top of photoelectric sensor, then laser instrument bright dipping is opened, light falls on the photosensor by optical filter, sensor photosensitive sends signal, computer starts operation control, when lifting platform is raised to certain altitude and hot spot becomes more minimum, control system stops elevating bracket work automatically, as shown in Figure 4, measure cutting head light-emitting window apart from multispectral Photoelectric burnt device upper surface distance, cut about 200um is the ideal position of focus lamp focus, according to cutting effect vernier focusing mirror position with satisfied cutting demand.
[embodiment 3]
The burnt device of a kind of multispectral Photoelectric, comprise photoelectric sensor, optical filter gear turntable, rotating disk drive motors, driven wheel, elevating bracket, elevating bracket drive motors, elevating lever, computer control system, the upper and lower two ends of described elevating bracket have groove, elevating bracket drive motors is positioned at elevating bracket lower end inside grooves, below elevating lever, elevating bracket drive motors upper end is connected with elevating lever bottom, elevating lever is arranged in the upper grooves of elevating bracket, photoelectric sensor is positioned at the center of top groove of elevating lever, when starting Photoelectric Jiao device, described rotating disk drive motors drives optical filter gear turntable to rotate by described driven wheel, optical filter is automatically rotated to the top of photoelectric sensor, light falls on the photosensor by optical filter, sensor photosensitive sends signal, described signal input computer control system.
Needs regulate focus lamp move up and down focal position is occupy ideal position below cutting head time, burnt for Photoelectric device is placed on the below of cutting head, start the burnt device of Photoelectric, lambda1-wavelength is set, the burnt device of Photoelectric will be automatically rotated to corresponding optical filter the top of photoelectric sensor, then laser instrument bright dipping is opened, light falls on the photosensor by optical filter, sensor photosensitive sends signal, computer starts operation control, when lifting platform is raised to certain altitude and hot spot becomes more minimum, control system stops elevating bracket work automatically, measure cutting head light-emitting window apart from multispectral Photoelectric burnt device upper surface distance, cut about 200um is the ideal position of focus lamp focus, according to cutting effect vernier focusing mirror position with satisfied cutting demand.The burnt process of Photoelectric as shown in Figure 5 and Figure 6.
[embodiment 6]
The burnt device of a kind of multispectral Photoelectric, comprise photoelectric sensor, optical filter gear turntable, rotating disk drive motors, driven wheel, elevating bracket, elevating bracket drive motors, elevating lever, computer control system, the upper and lower two ends of described elevating bracket have groove, elevating bracket drive motors is positioned at elevating bracket lower end inside grooves, below elevating lever, elevating bracket drive motors upper end is connected with elevating lever bottom, elevating lever is arranged in the upper grooves of elevating bracket, photoelectric sensor is positioned at the center of top groove of elevating lever, when starting Photoelectric Jiao device, described rotating disk drive motors drives optical filter gear turntable to rotate by described driven wheel, optical filter is automatically rotated to the top of photoelectric sensor, light falls on the photosensor by optical filter, sensor photosensitive sends signal, described signal input computer control system.
The focus searching method of the burnt device of above-mentioned multispectral Photoelectric, comprises following several step:
A) when needs regulate focus lamp to move up and down, burnt for multispectral Photoelectric device is placed on the below of laser cutting machine cutting head;
B) laser outputs guiding light, starts the burnt device of multispectral Photoelectric, and the self-raising platform of the burnt device of multispectral Photoelectric moves up, guide lights falls on the photosensor, sensor photosensitive sends signal, the signal input computer control system of photoelectric sensor, and computer starts operation control;
C), when lifting platform is raised to certain altitude, when hot spot becomes more minimum again, control system stops elevating bracket work automatically;
D) measure cutting head light-emitting window apart from multispectral Photoelectric burnt device upper surface distance, then cut cutting constant L, be the position of focus lamp focus.Wherein, L is 200um.
Claims (3)
1. the burnt device of multispectral Photoelectric, comprise photoelectric sensor, optical filter gear turntable, rotating disk drive motors, driven wheel, elevating bracket, elevating bracket drive motors, elevating lever, computer control system, the upper and lower two ends of described elevating bracket have groove, elevating bracket drive motors is positioned at elevating bracket lower end inside grooves, below elevating lever, elevating bracket drive motors upper end is connected with elevating lever bottom, elevating lever is arranged in the upper grooves of elevating bracket, photoelectric sensor is positioned at the center of top groove of elevating lever, when starting Photoelectric Jiao device, described rotating disk drive motors drives optical filter gear turntable to rotate by described driven wheel, optical filter is automatically rotated to the top of photoelectric sensor, light falls on the photosensor by optical filter, photoelectric sensor is photosensitive sends signal, described signal input computer control system.
2. the burnt device of multispectral Photoelectric according to claim 1, it is characterized in that photoelectric sensor is photosensitive and send signal, computer starts operation control, and when elevating lever is raised to certain altitude and hot spot becomes more minimum, control system stops elevating bracket work automatically.
3. the burnt device of multispectral Photoelectric according to claim 1, is characterized in that elevating lever can move up and down relative to elevating bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015757.9A CN103212815B (en) | 2012-01-19 | 2012-01-19 | The burnt device of multispectral Photoelectric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015757.9A CN103212815B (en) | 2012-01-19 | 2012-01-19 | The burnt device of multispectral Photoelectric |
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| Publication Number | Publication Date |
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| CN103212815A CN103212815A (en) | 2013-07-24 |
| CN103212815B true CN103212815B (en) | 2016-02-24 |
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| CN106881527B (en) * | 2015-12-10 | 2020-07-03 | 彭翔 | Intelligent processing assembly of laser processing system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09152540A (en) * | 1995-11-29 | 1997-06-10 | Fuji Photo Film Co Ltd | Image inputting lens device and method for correcting its focus position |
| US5774748A (en) * | 1995-07-07 | 1998-06-30 | Asahi Kogaku Kogyo Kabushiki Kaisha | Zoom lens barrel and camera having such a barret |
| TW200639558A (en) * | 2005-05-06 | 2006-11-16 | Tong-Feng Chuang | An auto focusing device |
| CN1912669A (en) * | 2005-08-09 | 2007-02-14 | 明基电通股份有限公司 | Focusing test device capable of regulating focus of image sensing module and focusing platform |
| CN200993690Y (en) * | 2006-12-29 | 2007-12-19 | 武汉理工大学 | Vision sensor for measurement |
| CN201579555U (en) * | 2009-12-24 | 2010-09-15 | 石河子大学 | Welding and shooting indexing mechanism |
-
2012
- 2012-01-19 CN CN201210015757.9A patent/CN103212815B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5774748A (en) * | 1995-07-07 | 1998-06-30 | Asahi Kogaku Kogyo Kabushiki Kaisha | Zoom lens barrel and camera having such a barret |
| JPH09152540A (en) * | 1995-11-29 | 1997-06-10 | Fuji Photo Film Co Ltd | Image inputting lens device and method for correcting its focus position |
| TW200639558A (en) * | 2005-05-06 | 2006-11-16 | Tong-Feng Chuang | An auto focusing device |
| CN1912669A (en) * | 2005-08-09 | 2007-02-14 | 明基电通股份有限公司 | Focusing test device capable of regulating focus of image sensing module and focusing platform |
| CN200993690Y (en) * | 2006-12-29 | 2007-12-19 | 武汉理工大学 | Vision sensor for measurement |
| CN201579555U (en) * | 2009-12-24 | 2010-09-15 | 石河子大学 | Welding and shooting indexing mechanism |
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| CN103212815A (en) | 2013-07-24 |
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