CN202826739U - Laser marking machine - Google Patents
Laser marking machine Download PDFInfo
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- CN202826739U CN202826739U CN201220442127.5U CN201220442127U CN202826739U CN 202826739 U CN202826739 U CN 202826739U CN 201220442127 U CN201220442127 U CN 201220442127U CN 202826739 U CN202826739 U CN 202826739U
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- laser marking
- mark
- conveyer
- marking machine
- mark object
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Abstract
The utility model relates to a laser marking machine including a conveyer, a laser marking head disposed above the conveyer; at least one camera device used for taking a picture for at least one to-be-marked object being conveyed by the conveyer; a coordinate obtaining device connected with the camera device in a communicational manner and used for receiving the picture of the at least one to-be-marked object, comparing the picture of the at least one to-be-marked object and a pattern picture and obtaining a central coordinate of the at least one to-be-marked object based on the comparison result; and a marking controller connected with the coordinate obtaining device and the laser marking head in a communicational manner and used for controlling the laser marking head to mark the at least one to-be-marked object according to the central coordinate of the at least one to-be-marked object. According to the utility model, through positioning the central coordinate of the to-be-marked object accurately by adopting the camera device, the marking precision is improved substantially. Therefore, the number of to-be-marked objects can be increased, so that the marking efficiency can be improved substantially.
Description
Technical field
The utility model relates to the laser marking field, more particularly, relates to a kind of laser marking machine.
Background technology
In recent years, the laser marking technical development is rapid.Present common galvanometer laser marking machine mainly comprises the laser marking head, is used for transmitting the conveyer of mark object.Wherein the laser marking head generally includes LASER Light Source, scanning mirror, galvanometer and marking controller etc.Its operation principle be with laser beam incident to scanning mirror, reflection angle by marking controller control speculum, thereby reach the deflection of laser beam, make have certain power density the Laser Focusing point on the mark object by required requirement campaign, thereby stay permanent mark at the mark object surface.Yet so often mark precision of galvanometer laser marking machine is inadequate, the number of mark object can not be too much, and the mark time efficiency is low.
Therefore, a kind of mark precision of needs is high, mark object number is many, and the higher laser marking machine of mark time efficiency.
The utility model content
The technical problems to be solved in the utility model is, often mark precision of laser marking machine for prior art number inadequate, the mark object can not be too much, the defective that the mark time efficiency is low, provide that a kind of mark precision is high, mark object number is many, and the higher laser marking machine of mark time efficiency.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of laser marking machine, comprise conveyer, be positioned at the laser marking head of described conveyer top, wherein said laser marking machine also comprises:
Be positioned at described conveyer top, at least one camera head of the image of taking at least one the mark object that transmits on the described conveyer;
With described camera head communication connection, be used for receiving the image of described at least one mark object, photo and the template image of described at least one mark object are compared, and the result obtains the coordinate getter of the centre coordinate of described at least one mark object based on the comparison;
With described coordinate getter and the communication connection of laser marking head, be used for controlling the marking controller that described laser marking head carries out mark to described at least one mark object based on the centre coordinate of described at least one mark object.
In laser marking machine described in the utility model, described conveyer comprises the zone that a plurality of sizes are identical, and at least one mark object is set on each zone.
In laser marking machine described in the utility model, described at least one camera head is slidingly arranged on the sliding tray that is parallel to described conveyer.
In laser marking machine described in the utility model, be provided with the sliding tray drive unit that slides along described sliding tray be used to driving described at least one camera head on the described sliding tray.
In laser marking machine described in the utility model, described sliding tray top arranges the backlight of parallel described conveyer.
In laser marking machine described in the utility model, described laser marking machine comprises that a zone on the corresponding described conveyer respectively is with a plurality of camera heads of the image of taking the different mark objects on the zones of different.
In laser marking machine described in the utility model, described laser marking machine comprises the transmission drive unit that seesaws perpendicular to described sliding tray along driving described conveyer.
In laser marking machine described in the utility model, described coordinate getter comprises:
Be used for receiving from described camera head the image receiving-member of the image of described at least one mark object;
Be used for the image of described at least one mark object and the template image of described coupling are compared, and the comparing unit of output comparative result;
Calculate the coordinate Calculation parts of the centre coordinate of described at least one mark object based on described comparative result.
In laser marking machine described in the utility model, described coordinate getter comprises:
Be used for receiving from described a plurality of camera heads the image receiving-member of a plurality of images of described a plurality of mark objects;
Be used to the image of described a plurality of mark objects to select respectively the template matches parts of the template image that mates;
Be used for comparing respectively with the image of described a plurality of mark objects with the template image of its coupling, and export the comparing unit of a plurality of comparative results;
Be used for calculating respectively based on described a plurality of comparative results each the coordinate Calculation parts of centre coordinate of described a plurality of mark objects.
Another technical scheme that its technical problem that solves the utility model adopts is: construct a kind of laser marking machine, comprise conveyer, be positioned at the laser marking head of described conveyer top, described conveyer comprises the zone that a plurality of sizes are identical, at least one mark object is set on each zone, and described laser marking machine also comprises:
Be positioned at described conveyer top, at least one camera head of the image of taking at least one the mark object that transmits on the described conveyer;
Drive the transmission drive unit of described conveyer front and back motion on the plane of parallel and described at least one camera head;
With described camera head communication connection, obtain the coordinate getter of the centre coordinate of described at least one mark object;
With described coordinate getter and the communication connection of laser marking head, be used for controlling the marking controller that described laser marking head carries out mark to described at least one mark object based on the centre coordinate of described at least one mark object.
In laser marking machine described in the utility model, described at least one camera head is slidingly arranged on the sliding tray that is parallel to described conveyer; Be provided with the sliding tray drive unit that slides along described sliding tray be used to driving described at least one camera head on the described sliding tray.
In laser marking machine described in the utility model, described laser marking machine comprises that a zone on the corresponding described conveyer respectively is with a plurality of camera heads of the image of taking the different mark objects on the zones of different.
Implement laser marking machine of the present utility model, have following beneficial effect, accurately locate the centre coordinate of mark object by adopting camera, greatly improved the mark precision, therefore can a large amount of mark objects be set at same conveyer, thereby greatly improve mark efficient.Further, by transit area being divided into a plurality of zones, can on the basis that guarantees the mark precision, further increase the number of mark object, thereby further reduce the number of times of changing conveyer and then improve mark efficient.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the side view of the laser marking machine of the first embodiment of the present utility model;
Fig. 2 is the top view of conveyer of the laser marking machine of the first embodiment of the present utility model;
Fig. 3 is the theory diagram of coordinate getter of the laser marking machine of the first embodiment of the present utility model;
Fig. 4 is the side view of the laser marking machine of the second embodiment of the present utility model;
Fig. 5 is the theory diagram of coordinate getter of the laser marking machine of the second embodiment of the present utility model;
Fig. 6 is the side view of the laser marking machine of the 3rd embodiment of the present utility model.
The specific embodiment
Fig. 1 is the side view of the laser marking machine of the first embodiment of the present utility model.As shown in Figure 1, laser marking machine of the present utility model comprises conveyer 100, be positioned at the laser marking head 500 of described conveyer 100 tops, be positioned at described conveyer 100 tops camera head 300, with the coordinate getter 200 of described camera head 300 communication connections, and simultaneously with the marking controller 400 of described coordinate getter 200 and 500 communication connections of laser marking head.
Fig. 2 is the top view of conveyer of the laser marking machine of the first embodiment of the present utility model.As shown in Figure 2, this conveyer 100 can comprise anchor clamps 101 and by at least one mark objects 102 of this anchor clamps 101 clampings.In the present embodiment, a plurality of mark objects 102 of these anchor clamps 101 simultaneously clampings.Those skilled in the art know that this conveyer 100 also can be made up by other conveyers, such as conveyer belt, delivery wheel etc.Those skilled in the art further know, the laser marking head 500 that adopts in the utility model can be any known laser marking head in this area, the camera head 300 that adopts in the utility model can be any known camera head in this area, such as CCD camera head etc.
Fig. 3 is the theory diagram of coordinate getter of the laser marking machine of the first embodiment of the present utility model.As shown in Figure 3, described coordinate getter 200 comprises image receiving-member 210, comparing unit 220 and coordinate Calculation parts 230.Operation principle below in conjunction with Fig. 1-3 pair laser marking machine of the present utility model describes.In the present embodiment, this camera head 300 is fixedly installed on the leftmost side of anchor clamps 101.Laser marking head 500 can slide in anchor clamps 101 upper horizontal and think each mark object 102 marks.Certainly, in other preferred embodiments of the present utility model, a plurality of laser marking heads 500 can be set respectively each mark object 102 is carried out mark.
At first, at least one template image of pre-stored in the coordinate getter 200.In the present embodiment, this template image be mark object 102 be positioned at camera head 300 under the time image.At this moment, the definition when mark object 102 be positioned at camera head 300 under the time, its centre coordinate is 0.In other embodiment of the present utility model, also can adopt other template images, and define other centre coordinates.Such as, definition when the image that the mark object is positioned at the anchor clamps leftmost side be template image, and to define its centre coordinate be 0 etc.When needs carried out mark to mark object 102,300 pairs of mark objects 102 of camera head were taken pictures, and then the image that obtains were sent to coordinate getter 200.At this moment, the image receiving-member 210 in the coordinate getter 200 receives the image of described mark object 102 from described camera head 300.Then comparing unit 220 compares the image of described mark object 102 and the template image of described coupling, and the position difference between the mark object in mark object 102 and the template image is compared in output.Coordinate Calculation parts 230 calculate the centre coordinate of described mark object 102 based on described comparative result.In an embodiment of the present utility model, can define first coordinate corresponding to different position differences, then for example calculate the centre coordinate of described mark object 102 by the mode of look-up table.In other embodiment of the present utility model, can also directly calculate the centre coordinate of mark object 102 by bitmap.Those skilled in the art know that any computational methods as known in the art may be used to the utility model.
After this, coordinate getter 200 sends to marking controller 400 with the centre coordinate of this mark object 102 by wireless or wire communication.After this marking controller 400 received the centre coordinate of this mark object 102, mark was carried out in the position that control laser marking head 500 slides into the centre coordinate of aiming at mark object 102.
Those skilled in the art know, can be any known image receiving circuits at this image receiving-member 210, or equipment, such as picture receiver; Comparing unit 220 can be Image Comparator, image comparison circuit or the comparison circuit with above-mentioned functions that is made of comparator, pixel sampling device etc.Coordinate Calculation parts 230 can be known any coordinate Calculation simulation or digital circuits.
Implement laser marking machine of the present utility model, have following beneficial effect, accurately locate the centre coordinate of mark object by adopting camera, greatly improved the mark precision, therefore can a large amount of mark objects be set at same conveyer, thereby greatly improve mark efficient.
Fig. 4 is the side view of the laser marking machine of the second embodiment of the present utility model.As shown in Figure 4, laser marking machine of the present utility model comprises conveyer 100, be positioned at the laser marking head 500 of described conveyer 100 tops, be positioned at the camera head 300, not shown with the coordinate getter 200(of described camera head 300 communication connections of described conveyer 100 tops), and not shown with the marking controller 400(of described coordinate getter 200 and 500 communication connections of laser marking head simultaneously).
In the present embodiment, described conveyer 100 comprises the regional 1-N that a plurality of sizes are identical, and a mark object is set on each zone.A and B show respectively the top view of zone 1 and regional N.In the present embodiment, camera head 300 is slidingly arranged on the sliding tray 301 that is parallel to described conveyer 100 to take the image of different mark objects on the zones of different.This camera head 300 can manually slide.In another preferred embodiment of the present utility model, 301 are provided with the sliding tray drive unit that slides along described sliding tray 301 be used to driving described at least one camera head 300 on the described sliding tray.For so that photographic effect is more clear, the backlight of parallel described conveyer 100 can be set above described sliding tray 301.In the present embodiment, described coordinate getter 200 is used for obtaining based on the image of described different mark objects and the comparative result from template image corresponding to described different mark objects the centre coordinate of different mark objects on the zones of different.In other embodiment of the present utility model, on each zone two, three or a plurality of mark object can also be set.Camera head 300 is taken on the described regional image of two, three or a plurality of mark objects.Described coordinate getter 200 is used for obtaining based on the image of different mark objects on the described zones of different and the comparative result from template image corresponding to described different mark objects the centre coordinate of different mark objects on the zones of different.
Fig. 5 is the theory diagram of coordinate getter of the laser marking machine of the second embodiment of the present utility model.As shown in Figure 5, described coordinate getter 200 comprises image receiving-member 210, template matches parts 240, comparing unit 220 and coordinate Calculation parts 230.Operation principle below in conjunction with Fig. 4-5 pair laser marking machine of the present utility model describes.
In the present embodiment, image pick-up device 300 slides at first respectively each regional center and takes image on each zone of conveyer 100 with as template image, thereby obtains the different templates image 1-N for zones of different 1-N.When needs carried out mark to the mark object, conveyer 100 moved in the direction perpendicular to paper, namely seesawed perpendicular to described sliding tray 301 under the driving that transmits drive unit.When regional 1-N move to camera head 300 under the time, camera head 300 from left to right slides into respectively each regional center, the image of the upper mark object of shooting area 1-N successively, thereby obtain mark object image 1-N.Image receiving-member 210 in the coordinate getter 200 receives described mark object image 1-N from described camera head 300.At this moment, template matches parts 240 are respectively the template image 1-N that described mark object image 1-N selects coupling.Mark object image 1 matching template image 1 for example, mark object image 2 matching template images 2 ..., mark object image N matching template image N.In an embodiment of the present utility model, can determine according to the time of mark object image acquisition the template image of its coupling.In other embodiment of the present utility model, can be to the different different tones of template image configuration, by shade-matched blend mark object image and template image.In other embodiment of the present utility model, can also adopt other mode to mate.Then comparing unit 220 respectively just described mark object image 1-N and described matching template image 1-N compare, output is the position difference 1-N between the mark object in mark object 102 and the template image relatively.Coordinate Calculation parts 230 calculate the centre coordinate of described mark object 102 based on described position difference 1-N.In an embodiment of the present utility model, can define first coordinate corresponding to different position differences, then for example calculate the centre coordinate of described mark object 102 by the mode of look-up table.In other embodiment of the present utility model, can also directly calculate the centre coordinate of mark object 102 by bitmap.Those skilled in the art know that any computational methods as known in the art may be used to the utility model.
After this, coordinate getter 200 that the centre coordinate of this mark object is sent to marking controller 400(by wireless or wire communication is not shown).After this marking controller 400 received the centre coordinate of this mark object, mark was carried out in the position that control laser marking head 500 slides into the centre coordinate of aiming at the mark object.In the present embodiment, only show a laser marking head 500, still, in another preferred embodiment of the present utility model, can comprise N laser marking head 500, each laser marking head 500 is aimed at a zone, only mark is carried out in this zone.
After mark object in current region 1-N is all finished mark, conveyer 100 moves forwards or backwards in the direction perpendicular to paper, namely under the driving that transmits drive unit, seesaw perpendicular to described sliding tray 301, the zone that will comprise N new mark object move to camera head 300 and laser marking head 500 under.Camera head 300, coordinate getter 200, marking controller 400 and laser marking head 500 are carried out above-mentioned steps again, and new mark object is carried out mark.
Those skilled in the art know, can be any known image receiving circuits at this image receiving-member 210, or equipment, such as picture receiver; Comparing unit 220 can be Image Comparator, image comparison circuit or the comparison circuit with above-mentioned functions that is made of comparator, pixel sampling device etc.Coordinate Calculation parts 230 can be known any coordinate Calculation simulation or digital circuits.Template matches parts 240 can be any match circuit, equipment or device.
Implement laser marking machine of the present utility model, have following beneficial effect, accurately locate the centre coordinate of mark object by adopting camera, greatly improved the mark precision, therefore can a large amount of mark objects be set at same conveyer, thereby greatly improve mark efficient.Further, by transit area being divided into a plurality of zones, can on the basis that guarantees the mark precision, further increase the number of mark object, thereby further reduce the number of times of changing conveyer and then improve mark efficient.
Fig. 6 is the side view of the laser marking machine of the 3rd embodiment of the present utility model.As shown in Figure 6, the laser marking head 500(that laser marking machine of the present utility model comprises conveyer 100, be positioned at described conveyer 100 tops is not shown), be positioned at a plurality of camera heads 300, not shown with the coordinate getter 200(of described a plurality of camera heads 300 communication connections of described conveyer 100 tops), and not shown with the marking controller 400(of described coordinate getter 200 and 500 communication connections of laser marking head simultaneously).In the present embodiment, in the present embodiment, described conveyer 100 comprises the regional 1-N that a plurality of sizes are identical, and a mark object is set on each zone.A zone on each camera head 300 corresponding described conveyer 100 is to take the image of the different mark objects on the zones of different.Coordinate getter 200 receives each mark object image 1-N from camera head 300 respectively.In the present embodiment, the structure of coordinate getter 200 and its operation principle can referring to Fig. 5, just be not repeated at this.
In the present embodiment, only show a laser marking head 500, still, in another preferred embodiment of the present utility model, can comprise N laser marking head 500, each laser marking head 500 is aimed at a zone, only mark is carried out in this zone.
Implement laser marking machine of the present utility model, have following beneficial effect, accurately locate the centre coordinate of mark object by adopting camera, greatly improved the mark precision, therefore can a large amount of mark objects be set at same conveyer, thereby greatly improve mark efficient.Further, by transit area being divided into a plurality of zones, can on the basis that guarantees the mark precision, further increase the number of mark object, thereby further reduce the number of times of changing conveyer and then improve mark efficient.
Although the utility model describes by specific embodiment, it will be appreciated by those skilled in the art that, in the situation that does not break away from the utility model scope, can also carry out various conversion and be equal to alternative the utility model.Therefore, the utility model is not limited to disclosed specific embodiment, and should comprise the whole embodiments that fall in the utility model claim scope.
Claims (10)
1. laser marking machine comprises conveyer, is positioned at the laser marking head of described conveyer top, it is characterized in that described laser marking machine also comprises:
Be positioned at described conveyer top, at least one camera head of the image of taking at least one the mark object that transmits on the described conveyer;
With described camera head communication connection, be used for receiving the image of described at least one mark object, photo and the template image of described at least one mark object are compared, and the result obtains the coordinate getter of the centre coordinate of described at least one mark object based on the comparison;
With described coordinate getter and the communication connection of laser marking head, be used for controlling the marking controller that described laser marking head carries out mark to described at least one mark object based on the centre coordinate of described at least one mark object.
2. laser marking machine according to claim 1 is characterized in that, described conveyer comprises the zone that a plurality of sizes are identical, and at least one mark object is set on each zone.
3. laser marking machine according to claim 2 is characterized in that, described at least one camera head is slidingly arranged on the sliding tray that is parallel to described conveyer.
4. laser marking machine according to claim 3 is characterized in that, is provided with the sliding tray drive unit that slides along described sliding tray be used to driving described at least one camera head on the described sliding tray.
5. laser marking machine according to claim 4 is characterized in that, described sliding tray top arranges the backlight of parallel described conveyer.
6. laser marking machine according to claim 2 is characterized in that, described laser marking machine comprises that a zone on the corresponding described conveyer respectively is with a plurality of camera heads of the image of taking the different mark objects on the zones of different.
7. laser marking machine according to claim 4 is characterized in that, described laser marking machine comprises the transmission drive unit that the described conveyer of driving seesaws perpendicular to described sliding tray.
8. laser marking machine, comprise conveyer, be positioned at the laser marking head of described conveyer top, it is characterized in that described conveyer comprises the zone that a plurality of sizes are identical, at least one mark object is set on each zone, and described laser marking machine also comprises:
Be positioned at described conveyer top, at least one camera head of the image of taking at least one the mark object that transmits on the described conveyer;
Drive the transmission drive unit of described conveyer front and back motion on the plane of parallel and described at least one camera head;
With described camera head communication connection, obtain the coordinate getter of the centre coordinate of described at least one mark object;
With described coordinate getter and the communication connection of laser marking head, be used for controlling the marking controller that described laser marking head carries out mark to described at least one mark object based on the centre coordinate of described at least one mark object.
9. laser marking machine according to claim 8 is characterized in that, described at least one camera head is slidingly arranged on the sliding tray that is parallel to described conveyer; Be provided with the sliding tray drive unit that slides along described sliding tray be used to driving described at least one camera head on the described sliding tray.
10. laser marking machine according to claim 8 is characterized in that, described laser marking machine comprises that a zone on the corresponding described conveyer respectively is with a plurality of camera heads of the image of taking the different mark objects on the zones of different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220442127.5U CN202826739U (en) | 2012-08-31 | 2012-08-31 | Laser marking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220442127.5U CN202826739U (en) | 2012-08-31 | 2012-08-31 | Laser marking machine |
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| Publication Number | Publication Date |
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| CN202826739U true CN202826739U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220442127.5U Expired - Lifetime CN202826739U (en) | 2012-08-31 | 2012-08-31 | Laser marking machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848082A (en) * | 2012-08-31 | 2013-01-02 | 赵本和 | Laser marking machine |
| CN105082778A (en) * | 2015-08-14 | 2015-11-25 | 京东方科技集团股份有限公司 | Marking device |
| CN109278434A (en) * | 2017-07-22 | 2019-01-29 | 上海宇田机电设备有限公司 | A kind of method of three laser on-line markings of bottle cap |
-
2012
- 2012-08-31 CN CN201220442127.5U patent/CN202826739U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848082A (en) * | 2012-08-31 | 2013-01-02 | 赵本和 | Laser marking machine |
| CN102848082B (en) * | 2012-08-31 | 2015-02-04 | 赵本和 | Laser marking machine |
| CN105082778A (en) * | 2015-08-14 | 2015-11-25 | 京东方科技集团股份有限公司 | Marking device |
| CN109278434A (en) * | 2017-07-22 | 2019-01-29 | 上海宇田机电设备有限公司 | A kind of method of three laser on-line markings of bottle cap |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151225 Address after: 518000 Guangdong Province, Nanshan District city Zhongshan Road West Shenzhen Tongle Village Building 4 floor A Jun Xiangda area G Patentee after: Shenzhen Jing Sen mark Automation Technology Co.,Ltd. Address before: 518000, Guangdong, Shenzhen, Nanshan District, No. 3101 former sea star city, two phase, 7 groups, 10 7E Patentee before: Zhao Benhe |
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| CP03 | Change of name, title or address |
Address after: 518000 Guangdong city of Shenzhen province Nanshan District Nanshan street Zhongshan Road West Jun Le Village Building 4 floor J Xiangda B zone and S zone, Z zone Patentee after: SHENZHEN JINGSEN LASER TECHNOLOGY CO.,LTD. Address before: 518000 Guangdong Province, Nanshan District city Zhongshan Road West Shenzhen Tongle Village Building 4 floor A Jun Xiangda area G Patentee before: Shenzhen Jing Sen mark Automation Technology Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 601, No.214, Niucheng Road, Niucheng village, Baimang community, Xili street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN JINGSEN LASER TECHNOLOGY Co.,Ltd. Address before: 518000 Guangdong, Shenzhen, Nanshan District, Nanshan street, Tongle village, Zhongshan Garden Road, West Building B, 4, J, S and Z Patentee before: SHENZHEN JINGSEN LASER TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
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| CX01 | Expiry of patent term |