CN101804740B - Laser marking method - Google Patents
Laser marking method Download PDFInfo
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- CN101804740B CN101804740B CN2010101158550A CN201010115855A CN101804740B CN 101804740 B CN101804740 B CN 101804740B CN 2010101158550 A CN2010101158550 A CN 2010101158550A CN 201010115855 A CN201010115855 A CN 201010115855A CN 101804740 B CN101804740 B CN 101804740B
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Abstract
The technical scheme provided by the invention is as follows: a laser marking method which is used for on-line marking spherical objects of large diameter difference comprises the following steps: the focal length of a laser marker is set; and the laser marker carries out on-line marking to the spherical objects in an inclined luminous manner. As a laser marking device can only mark planar objects of a certain difference distance, the method utilizes an optical physical principle to mark the spherical objects on line in the inclined luminous manner, thus maximizing the diameter difference on the dynamic laser marker.
Description
[technical field]
The present invention relates to the online method of the bigger ball-type type objects of diameter difference being carried out the dynamic laser mark of a kind of laser marking device.
[background technology]
Along with the approval of market to the laser marking device processing technology, the application of laser marking device more and more widely.Manufacturing enterprise in a lot of pipelinings also begins to adopt laser marking device to carry out online motion mark to its product, and as original printing ink coding product, the decals product all begins to use instead laser and carries out dynamically labeled.
Because laser marking device could go out best effect to object marker on certain focal plane.Left the focal plane, the mark effect will be affected, and surpass certain scope, and laser marking device can't produce the mark vestige to object, not reach effective mark effect.
The product that needs online printing ink coding, decals or laser to beat sign indicating number for major part generally is labeled plan range and differs very little, and laser marking device can carry out online dynamically labeled, and the mark effect can be guaranteed.But for resembling some fruit manufacturing enterprise such as navel oranges, apple, oranges and tangerines etc., the fruit diameter of motion transmission differs bigger on their the same production line, and the diameter that has differs 50mm, even bigger.Laser marking machine wants to differ at diameter the enterprising action attitude of the fruit laser labelling of 50mm, and difficulty is very big, even laser equipment is carried out optical improvements, increases the laser marking device cost, and final mark effect also is difficult to guarantee customer satisfaction.
[summary of the invention]
The technical problem to be solved in the present invention is that to realize that laser marking device carries out laser on diameter differs bigger ball-type class mark object online dynamically labeled.
Technical scheme provided by the present invention is: a kind of differ greatly laser labeling method of ball-type type objects of online label diameter that is used for comprises the steps: the focal length of setting laser mark machine; Laser marking machine in oblique bright dipping mode to the ball-type type objects at wire tag.
Wherein, laser marking machine with put the elevation angle be 30 ° to the ball-type type objects at wire tag.
Wherein, the focal length of described laser marking machine is 190mm, and the mark scope is 110mm*110mm.
Wherein, the diameter of described ball-type type objects differs and is 50mm.
Wherein, the minimum diameter of described ball-type type objects is 80mm, and maximum gauge is 130mm.
Wherein, described ball-type type objects is a navel orange.
Because laser marking device can only carry out mark to the mark planar object of certain difference distance, the present invention utilizes the optical physics principle, with in oblique bright dipping mode to the ball-type type objects at wire tag, make diameter difference maximization on the dynamic laser mark.
[description of drawings]
Fig. 1 is the schematic diagram of laser labeling method of the present invention;
Fig. 2 is another schematic diagram of laser labeling method of the present invention;
The overall schematic of Fig. 3 laser marking machine of the present invention and production line state;
Fig. 4 is another overall schematic of laser marking machine of the present invention and production status;
Fig. 5 is the partial schematic diagram of laser marking machine of the present invention and production status;
Fig. 6 is another partial schematic diagram of laser marking machine of the present invention and production status;
Fig. 7 is the another partial schematic diagram of laser marking machine of the present invention and production status.
[specific embodiment]
Also the present invention is described in further detail in conjunction with the accompanying drawings below by specific embodiment.
Be illustrated in figure 1 as the schematic diagram of laser marking on the fly, the present invention carries out online dynamic laser mark to the bigger ball-type type objects of diameter difference, and the focal length of selected laser marking machine is 190mm, and its mark scope is the amasthenic lens of 110mm*110mm.
When laser marking on the fly, the laser beam 11 that laser marking machine 10 sends is perpendicular to being labeled ball-type type objects surface, the ball-type type objects is fixed on the streamline holder 30, to ball-type type objects mark the time, we set up parameter to the ball-type object of minimum at supposition, if minimum ball-type object radius is A, then mark machine 10 light-emitting windows are concentric with A, radius is (190 are the focal length of laser marking machine 10) on the circle of R+190, and we amplify near the figure the ball-type object, do further calculating.
As Fig. 2, when laser marking machine 10 was placed in a certain position, an individual big ball-type type objects 21 and the little skew of ball-type type objects 22 on the laser beam focal length were C, and following formula is arranged:
Wherein, A, B are definite value, and the scope of α is (0 °-90 °)
We can it is evident that skew C reduces along with reducing of α by top formula.
Laser marking machine 10 partly is made into square toes rotatable, makes that laser beam 11 is rotatable arbitrarily angledly to carry out mark to object.
As Fig. 3 and Fig. 4, present embodiment is used the analysis of cases of laser on-line marking with a navel orange factory.
As Fig. 5, it is that 190mm mark scope is the amasthenic lens of 110mm * 110mm that laser marking machine is selected focal length for use, and it is 30 ° that the laser marking machine square toes are put the elevation angle, and the navel orange of diameter range 80mm-130mm is carried out laser marking, i.e. A=65, B=40.
Fig. 6 is the horizontal bright dipping of laser marking machine, vertical bright dipping and the tiltedly contrast of bright dipping, is example A=65 with the navel orange process line equally, and B=40 can draw,
By above analysis can the oblique bright dipping of discovery clearly be laser marking device carries out online dynamic mark to the ball-type object effective method.
Because laser marking device can only carry out mark to the mark planar object of certain difference distance, the present invention utilizes the optical physics principle, with in oblique bright dipping mode to the ball-type type objects at wire tag, make diameter difference maximization on the dynamic laser mark.
Claims (6)
1. one kind is used for the laser labeling method that online mark has the ball-type type objects of different-diameter, it is characterized in that, comprises the steps:
The focal length of setting laser mark machine;
Laser marking machine in oblique bright dipping mode to the ball-type type objects at wire tag.
2. laser labeling method as claimed in claim 1 is characterized in that: laser marking machine with the horizontal plane be standard and with put the elevation angle be 30 ° to the ball-type type objects at wire tag.
3. laser labeling method as claimed in claim 1 is characterized in that: the focal length of described laser marking machine is 190mm, and the mark scope is 110mm*110mm.
4. laser labeling method as claimed in claim 1 is characterized in that: the diameter of described ball-type type objects differs and is 50mm.
5. laser labeling method as claimed in claim 4 is characterized in that: the minimum diameter of described ball-type type objects is 80mm, and maximum gauge is 130mm.
6. as claim 1 or 4 or 5 described laser labeling methods, it is characterized in that: described ball-type type objects is a navel orange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101158550A CN101804740B (en) | 2010-02-24 | 2010-02-24 | Laser marking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101158550A CN101804740B (en) | 2010-02-24 | 2010-02-24 | Laser marking method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101804740A CN101804740A (en) | 2010-08-18 |
| CN101804740B true CN101804740B (en) | 2011-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101158550A Active CN101804740B (en) | 2010-02-24 | 2010-02-24 | Laser marking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101804740B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104647908B (en) * | 2015-01-05 | 2016-03-23 | 惠州市杰普特电子技术有限公司 | Laser marking method |
| CN105127598B (en) * | 2015-09-24 | 2018-04-10 | 山东大学 | A kind of batch (-type) laser index carving apparatus and method suitable for different melons and fruits |
| CN106072724B (en) * | 2016-08-18 | 2018-02-16 | 黄金烈 | Rotating disc type melon and fruit engraving device |
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2010
- 2010-02-24 CN CN2010101158550A patent/CN101804740B/en active Active
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| Publication number | Publication date |
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| CN101804740A (en) | 2010-08-18 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HAN S LASER TECHNOLOGY INDUSTRY GROUP CO., LTD. Free format text: FORMER NAME: DAZU LASER SCI. + TECH. CO., LTD., SHENZHEN |
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| CP03 | Change of name, title or address |
Address after: No. 9988 Nanshan District Shennan Road Shenzhen city Guangdong province 518000 Patentee after: HANS LASER TECHNOLOGY INDUSTRY GROUP CO., LTD. Address before: Dazu laser Building No. 9 Nanshan District high tech Park North new road Shenzhen city Guangdong province 518055 Patentee before: Dazu Laser Sci. & Tech. Co., Ltd., Shenzhen |