CN201707031U - CCD positioning detection laser marking device - Google Patents
CCD positioning detection laser marking device Download PDFInfo
- Publication number
- CN201707031U CN201707031U CN 201020212020 CN201020212020U CN201707031U CN 201707031 U CN201707031 U CN 201707031U CN 201020212020 CN201020212020 CN 201020212020 CN 201020212020 U CN201020212020 U CN 201020212020U CN 201707031 U CN201707031 U CN 201707031U
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- CN
- China
- Prior art keywords
- scanning mirror
- lens
- ccd
- marking device
- laser marking
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- 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.)
- Expired - Lifetime
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/44—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using single radiation source per colour, e.g. lighting beams or shutter arrangements
- B41J2/442—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using single radiation source per colour, e.g. lighting beams or shutter arrangements using lasers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/47—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light
- B41J2/471—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laser Beam Processing (AREA)
Abstract
The utility model relates to a CCD positioning detection laser marking device comprising a focusing lens, a CCD lens, a reflecting lens and a scanning mirror group, wherein the CCD lens is arranged at one side of the focusing lens; the reflecting lens is arranged between the CCD lens and the focusing lens; and the scanning mirror group and the reflecting lens are arranged oppositely. In the CCD positioning detection laser marking device, the CCD lens is arranged at one side of the focusing lens, the reflecting lens is arranged between the CCD lens and the focusing lens, the scanning mirror group and the reflecting lens are arranged oppositely, so that the positioning detection is not limited by the scanning mirror group in the shooting process, the shooting distance between the CCD lens and a workpiece is greatly shortened, and the enlargement of the breadth of the visual field and the measuring range is realized. In addition, the CCD positioning detection laser marking device also increases light-incident amount of the CCD lens, thus leading the shot images of the workpiece to be clearer, and effectively improving the contrast of the images and the positioning accuracy.
Description
[technical field]
The utility model relates to a kind of laser process equipment, especially a kind of CCD detection and localization laser marking device.
[background technology]
In the laser marking system, adopt the CCD position detecting system to measure or distinguish workpiece or workpiece part usually, improve mark precision in the workpiece to measure parameters such as the location of workpiece, size, shape.According to CCD camera lens residing position difference in laser optical path, generally can be divided into coaxial method and different method of principal axes.Particularly, it is coaxial with the laser optical path part that coaxial method refers to the CCD camera lens, and different method of principal axes refers to laser optical path and CCD camera lens disalignment, and promptly the CCD camera lens is in the side of workpiece to be processed.
Yet, in traditional CCD detection and localization laser marking device, for traditional coaxial method,, therefore exist the problem that visual field breadth is little and measurement range is little because reflective surface area is little and the CCD camera lens is far away from taking workpiece, in addition, in another traditional coaxial method, the CCD camera lens is in the bottom of workpiece to be processed, at nontransparent workpiece, the location of only suitable workpiece outline, and can not realize local positioning in the workpiece; For traditional different method of principal axes,, distort, have the lower problem of bearing accuracy and make taken surface of the work image produce because the CCD camera lens has a certain degree with workpiece to be processed.
[utility model content]
Based on this, be necessary to provide a kind of CCD detection and localization laser marking device that can improve bearing accuracy.
A kind of CCD detection and localization laser marking device comprises focusing lens, places the CCD camera lens of described focusing lens one side, the scanning mirror group that is arranged at the reflecting optics between described CCD camera lens and the focusing lens and is oppositely arranged with described reflecting optics.
Preferably, described scanning mirror group comprises first scanning mirror and second scanning mirror, and described first scanning mirror is arranged on the laser beam light path of incident, reflects described laser beam, and described second scanning mirror places on the laser beam light path of output of described first scanning mirror.
Preferably, it is characterized in that described first scanning mirror or described second scanning mirror are catoptrons.
Preferably, it is characterized in that described CCD camera lens and the coaxial setting of described reflecting optics laser light reflected bundle.
Preferably, it is characterized in that, adjust optical path direction in the described scanning mirror group, make that the laser beam of being exported in the described scanning mirror group is parallel with described focusing lens.
Preferably, it is characterized in that described reflecting optics and described focusing lens are 45 ° of angles.
Preferably, it is characterized in that described reflecting optics is a total-reflection laser, visible light transmissive.
The CCD camera lens places focusing lens one side in the above-mentioned CCD detection and localization laser marking device, between CCD camera lens and focusing lens, reflecting optics is set, and be oppositely arranged the scanning mirror group with reflecting optics, make the restriction that in the shooting process of detection and localization, can not be subjected to the scanning mirror group, shorten the shooting distance between CCD camera lens and the workpiece greatly, realized the increase of visual field breadth and measurement range.In addition, above-mentioned CCD detection and localization laser marking device has also increased the light-inletting quantity of CCD camera lens, makes the workpiece image that photographs more clear, has improved the contrast of image and the degree of accuracy of location effectively.
The shooting workpiece is overlooked in above-mentioned CCD detection and localization laser marking device front, has both realized that the workpiece outline accurately locatees, and has also realized the accurate location of workpiece part.
[description of drawings]
Fig. 1 is the structural representation of CCD detection and localization laser marking device among the embodiment.
[embodiment]
Fig. 1 shows the detailed structure of CCD detection and localization laser marking device among the embodiment, and this CCD detection and localization laser marking device comprises: focusing lens 30, place the CCD camera lens 40 of focusing lens 30 1 sides, the scanning mirror group 10 that is arranged at the reflecting optics 20 between CCD camera lens 40 and the focusing lens 30 and is oppositely arranged with reflecting optics 20.
The laser beam of incident is at first adjusted outbound course through scanning mirror group 10, and exports in the reflecting optics 20.Reflecting optics 20 is reflected into laser beam in the focusing lens 30, focuses on processing.Place the CCD camera lens 40 of focusing lens one side to utilize the characteristic of reflecting optics 20 transmissive visible lights and the effect of focusing lens 30 to take surface of the work down.
Reflecting optics 20 places on the laser beam light path of scanning mirror group 10 output, be oppositely arranged with scanning mirror group 10, preferred embodiment in, these reflecting optics 20 total-reflection lasers, visible light transmissive.
Focusing lens 30 places on the laser beam light path that reflecting optics 20 reflected, and laser beam is focused on processing.
In CCD detection and localization laser marking device when work,, CCD camera lens 40 is arranged at after the focusing lens 30 and before the scanning mirror group 10, with shorten greatly and workpiece between distance, increase visual field breadth and measurement range, the workpiece image that makes shooting obtain is more clear.Workpiece is positioned in the laser beam light path of focusing lens 30 outputs, CCD camera lens 40 and workpiece are over against setting, the image of surface of the work is taken in the characteristic by reflecting optics 20 transmissive visible lights and the interaction of focusing lens 30, particularly, CCD camera lens 40 is taken certain feature pattern of surface of the work, the inclination angle on surface of the work pilot hole center side-play amount and certain bar limit for example, export the position offset of this feature pattern and dip angle parameter to laser marking system software by the software of CCD position detecting system, laser marking system software is according to resulting position offset and dip angle parameter, this side-play amount of graph position translation that automatically will be marked on the workpiece is rotated this inclination angle again, laser marking system software sends the laser output order to laser instrument then, the laser beam that laser instrument sends is at first through entering reflecting optics 20 after 10 reflections of scanning mirror group, thereby laser beam is reflexed in the focusing lens 30, focus on the laser labelling that surface of the work carries out hi-Fix by focusing lens 30.
In the preferred embodiment, adjust the direction of first scanning mirror 101 and second scanning mirror 102 in the scanning mirror group 10, make that the laser beam of output is parallel with focusing lens 30 in the scanning mirror group 10, and reflecting optics 20 and focusing lens are 45 ° of angles.Laser beam focuses on to form through vertically entering after the reflection of reflecting optics 20 in the focusing lens 30.
The CCD camera lens places focusing lens one side in the above-mentioned CCD detection and localization laser marking device, between CCD camera lens and focusing lens, reflecting optics is set, and be oppositely arranged the scanning mirror group with reflecting optics, make the restriction that in the shooting process of detection and localization, can not be subjected to the scanning mirror group, shorten the shooting distance between CCD camera lens and the workpiece greatly, realized the increase of visual field breadth and measurement range.In addition, above-mentioned CCD detection and localization laser marking device has also increased the light-inletting quantity of CCD camera lens, makes the workpiece image that photographs more clear, has improved the contrast of image and the degree of accuracy of location effectively.
The shooting workpiece is overlooked in above-mentioned CCD detection and localization laser marking device front, has both realized that the workpiece outline accurately locatees, and has also realized the accurate location of workpiece part.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. CCD detection and localization laser marking device, it is characterized in that, comprise focusing lens, place the CCD camera lens of described focusing lens one side, the scanning mirror group that is arranged at the reflecting optics between described CCD camera lens and the focusing lens and is oppositely arranged with described reflecting optics.
2. CCD detection and localization laser marking device according to claim 1, it is characterized in that, described scanning mirror group comprises first scanning mirror and second scanning mirror, described first scanning mirror is arranged on the laser beam light path of incident, reflect described laser beam, described second scanning mirror places on the laser beam light path of output of described first scanning mirror.
3. CCD detection and localization laser marking device according to claim 2 is characterized in that, described first scanning mirror or described second scanning mirror are catoptrons.
4. CCD detection and localization laser marking device according to claim 1 is characterized in that, described CCD camera lens and the coaxial setting of described reflecting optics laser light reflected bundle.
5. CCD detection and localization laser marking device according to claim 1 is characterized in that, adjusts optical path direction in the described scanning mirror group, makes that the laser beam of being exported in the described scanning mirror group is parallel with described focusing lens.
6. CCD detection and localization laser marking device according to claim 5 is characterized in that described reflecting optics and described focusing lens are 45 ° of angles.
7. CCD detection and localization laser marking device according to claim 1 is characterized in that described reflecting optics is a total-reflection laser, visible light transmissive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020212020 CN201707031U (en) | 2010-05-26 | 2010-05-26 | CCD positioning detection laser marking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020212020 CN201707031U (en) | 2010-05-26 | 2010-05-26 | CCD positioning detection laser marking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201707031U true CN201707031U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020212020 Expired - Lifetime CN201707031U (en) | 2010-05-26 | 2010-05-26 | CCD positioning detection laser marking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201707031U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106454048A (en) * | 2016-07-29 | 2017-02-22 | 大族激光科技产业集团股份有限公司 | Pseudo coaxial CCD shooting system and laser processing device employing the system |
| CN106964904A (en) * | 2016-01-14 | 2017-07-21 | 大族激光科技产业集团股份有限公司 | A kind of laser marking machine of multiangle visual positioning and its method for laser marking |
| CN110558942A (en) * | 2019-09-03 | 2019-12-13 | 云南白药集团健康产品有限公司 | Skin detection equipment, image acquisition device and filter assembly thereof |
-
2010
- 2010-05-26 CN CN 201020212020 patent/CN201707031U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964904A (en) * | 2016-01-14 | 2017-07-21 | 大族激光科技产业集团股份有限公司 | A kind of laser marking machine of multiangle visual positioning and its method for laser marking |
| CN106454048A (en) * | 2016-07-29 | 2017-02-22 | 大族激光科技产业集团股份有限公司 | Pseudo coaxial CCD shooting system and laser processing device employing the system |
| CN106454048B (en) * | 2016-07-29 | 2019-12-24 | 大族激光科技产业集团股份有限公司 | Pseudo-coaxial CCD shooting system and laser processing device adopting same |
| CN110558942A (en) * | 2019-09-03 | 2019-12-13 | 云南白药集团健康产品有限公司 | Skin detection equipment, image acquisition device and filter assembly thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110112 |
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| CX01 | Expiry of patent term |