CN202482373U - Multi-level focusing mirror nicking device - Google Patents
Multi-level focusing mirror nicking device Download PDFInfo
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- CN202482373U CN202482373U CN 201220007270 CN201220007270U CN202482373U CN 202482373 U CN202482373 U CN 202482373U CN 201220007270 CN201220007270 CN 201220007270 CN 201220007270 U CN201220007270 U CN 201220007270U CN 202482373 U CN202482373 U CN 202482373U
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- condensing lens
- indentation
- focusing
- laser
- multistage
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Abstract
The utility model discloses a multi-level focusing mirror nicking device. The multi-level focusing mirror nicking device comprises a laser source, a focusing mirror array including a plurality of focusing mirrors stacked up sequentially along the thickness direction, and a driving device, wherein the side face of each focusing mirror adjacent to the laser source is a focusing reflecting face, laser beams emitted from the laser source irradiate the focusing reflecting face and are reflected by the focusing reflecting face to articles to be nicked. Each focusing mirror indents an equal distance sequentially from top to bottom along the incoming direction of the laser beams. The driving device is connected with the focusing mirror array and drives the focusing mirrors to move relatively along the incoming direction of the laser beams and enables the indented distance between each focusing mirror after moving to be still equal. The multi-level focusing mirror nicking device guarantees nicking uniformity, and simultaneously increases production speed of unit greatly.
Description
Technical field
The utility model relates to a kind of scratching device, relates in particular to a kind of focusing scratching device.
Background technology
Laser scored is a kind of through reducing the method that oriented silicon steel master farmland width reduces its eddy-current loss; It is to utilize the heat of laser beam under the surface of steel plate, to produce an elastic-plastic deformation region; Stress and the tension stress between indentation through producing in the elastic plastic strain district reduce oriented silicon steel master farmland width, thereby reach the purpose that reduces its eddy-current loss.
Existing single laser head carries out scratching device, in actual production process, has the problem of the following aspects.
(1) when guaranteeing the indentation effect; Receive influencing each other between sweep velocity, the parameters such as scanning fabric width, sweep span and indentation spacing; The unit production rate generally can only maintain about 50-60m/min; 200m/min during with non-laser scored produce even higher production rate are compared, and production efficiency is very low.
(2) because the light path system of indentation equipment adopts specular transmission more; The minute surface run-down carves a line of weakness; The lifting of indentation speed can cause minute surface to switch repeatedly, thereby cause the instability of indentation surface of steel plate effect, influenced product vertically, the homogeneity of transverse magnetic performance.
Publication number is CN101209514; Open day is on July 2nd, 2008; The Chinese patent document that name is called " a kind of laser on-line high speed scratching device based on vibrating mirror array " discloses a kind of technical scheme, and it has adopted vibrating mirror array, thereby can improve laser scored speed effectively; Have that flexibility is strong, indentation speed fast, wide, the advantage of high production efficiency of scanning breadth; But its production rate is owing to receive the influence of scanning fabric width (full plate face), and under the prerequisite that guarantees the indentation effect, top speed is restricted.
Publication number is CN1076492A; Open day is on September 22nd, 1993; The Chinese patent document that name is called " a kind of laser processing method and device that reduces iron loss of silicon steel sheet " also discloses a kind of scratching device, and this apparatus structure is simple, but iron loss improvement rate is only about 5%; It is low to improve efficient, and does not consider the process velocity of unit.
Publication number is CN101348853; Open day is on January 21st, 2009, and the Chinese patent document that name is called " a kind of method that reduces iron loss of common orientated electrical steel " discloses a kind of indentation method, and this method need be destroyed the surface of steel plate coating; Need coating again behind the indentation, so inconvenient operation.
Publication number is CN1244597; Open day is on February 16th, 2000, and the Chinese patent document that name is called " method on laser treatment oriented silicon steel surface " discloses the surperficial method of laser treatment oriented silicon steel, and this method distributes through laser local Alloying Treatment optimization magnetic domain and reduces iron loss; Make product have good high-temperature stability and superior aging performance; Yet this arts demand is peeled off insulating coating earlier, needs coating again, complex process after indentation is handled again.
The production equipment of the continuous indentation of multistage focusing with above-mentioned compared with techniques, can significantly be enhanced productivity under the prerequisite that guarantees product performance, overcomes the slow problem of laser scored production rate with this, reaches the effect of enhancing productivity.And, can also reduce the number of times that the minute surface system is switched, improve the stability of equipment and the stability of indentation effect.
Summary of the invention
The purpose of the utility model provides a kind of multistage condensing lens scratching device, and this device need improve the production rate of unit under the prerequisite that guarantees stable indentation effect.
According to the foregoing invention purpose, the utility model provides a kind of multistage condensing lens scratching device, treat that to one the surface of indentation object carries out indentation, this multistage condensing lens scratching device comprises:
One is used to launch the laser source of laser beam;
One condensing lens array; It comprises the condensing lens that the N piece stacks successively on thickness direction; The side of the contiguous laser source of said each condensing lens is the focus reflection face of an inclination; Said laser source emitted laser bundle is radiated on the focus reflection face and is reflexed to by this focus reflection face and treats on the indentation object, said each condensing lens distance of equating of indentation successively from top to bottom on the direction of laser beam incident;
One drive unit, it is connected with said condensing lens array, drives each condensing lens and is relatively moving on the direction of laser beam incident and making the indentation distance between each condensing lens after relatively moving still equate.
The described multistage condensing lens scratching device of the utility model has reduced the switching of minute surface through the condensing lens array is set.When indentation; Laser source emitted laser bundle shines on each condensing lens; Condensing lens again with the laser beam focus reflection to by on the surface of indentation object; Because each condensing lens distance of equating of indentation successively from top to bottom on the direction of laser beam incident, thus the spacing of indentation equate, guaranteed the homogeneity of indentation effect.When needs were regulated the indentation spacing to condition of different, drive unit drove the indentation distance that each condensing lens relatively moves between each condensing lens after guaranteeing simultaneously to relatively move and still equates, thereby the indentation of having guaranteed the process width adjustment is still even.
Preferably, in above-mentioned multistage condensing lens scratching device, the below of the top of the condensing lens in the top of said condensing lens array and the condensing lens in bottom of said condensing lens array also is respectively equipped with a beam absorption device.The beam absorption device can fall the intrafascicular laser absorption that scatters of parallel laser, prevents that laser radiation is to other devices.
Said beam absorption utensil has an opening, and said opening is towards the direction of laser beam incident; The inside of said beam absorption device is a cavity, and the internal surface of said cavity is placed with a plurality of multifaceted prisms.
In above-mentioned multistage condensing lens scratching device, the condensing lens in the top of said condensing lens array fixedly installs, and all the other N-1 piece condensing lenss are connected with said drive unit, and said drive unit comprises:
One can be around the drive shaft of its axle center rotation;
N-1 driving gear, its axial direction due along drive shaft is fixedly installed on the drive shaft successively, and the radius ratio of said each driving gear is 1: 2: 3: ...: (N-1);
N-1 drives tooth bar, and it is connected with a joggle with each driving gear is corresponding respectively, said respectively drive tooth bar also respectively with the corresponding fixed connection of said N-1 piece condensing lens.
Drive shaft drives the driving gear that is fixed on it and rotates; Each driving gear has identical rotating speed; Because the radius ratio of each driving gear is 1: 2: 3: ...: (N-1); So with the ratio that respectively drives the distance that each condensing lens of rack drives moves of driving gear engagement just be 1: 2: 3: ...: (N-1); Indentation distance between each condensing lens after this make to move still equates, the spacing between the indentation of inscribing on by the indentation object so also equates, thereby guaranteed the homogeneity of indentation.
The described multistage condensing lens scratching device of the utility model is through adopting technique scheme; Can draw simultaneously on the surface of band indentation object and carve many lines; Once only draw than original scratching device and to carve speed and the efficient that a line has improved indentation greatly, the described multistage condensing lens scratching device of the utility model can also guarantee the homogeneity of indentation simultaneously.
Description of drawings
Fig. 1 is the described multistage condensing lens scratching device of a utility model structural front view in one embodiment.
Fig. 2 is the side-view of multistage condensing lens scratching device shown in Figure 1.
Fig. 3 is the described multistage condensing lens scratching device of the utility model syndeton synoptic diagram of CD-ROM drive motor and drive shaft in one embodiment.
Fig. 4 is the syndeton synoptic diagram of drive shaft and each driving gear in the light path system shown in Figure 1.
Fig. 5 is the internal structure synoptic diagram of condensing lens shown in Figure 1.
Embodiment
To combine Figure of description and concrete embodiment that the described multistage condensing lens scratching device of the utility model is done further detailed description below.
Multistage condensing lens scratching device in the present embodiment is as depicted in figs. 1 and 2: four have certain thickness condensing lens and on thickness direction, stack successively, and each condensing lens is expressed as 1,2,3 and 4 from top to bottom successively; Laser source is arranged on the side emission laser beam P of condensing lens; The side of the contiguous laser source of each condensing lens is the focus reflection face of an inclination, and laser beam P is radiated on the focus reflection face and by this focus reflection face focus reflection and forms focused beam 9, thereby is being with indentation on the steel 6; Condensing lens 1,2,3 and 4 distance of equating of indentation successively from top to bottom on laser beam P incident direction; Being respectively equipped with a beam absorption device 5 above the condensing lens 1 with below the condensing lens 4, be used for the laser that ABSORPTION AND SCATTERING goes out; CD-ROM drive motor 7 is connected with drive shaft 8 and drives its rotation; Be set with three driving gears on the drive shaft; Three driving gears mesh with three tooth bars respectively again; Three tooth bar correspondences are fixedly installed on condensing lens 2,3 and 4, thereby realize the driving to condensing lens 2,3 and 4, and condensing lens 1 fixedly installs.
As shown in Figure 3, CD-ROM drive motor 7 is the bi-directional drive motor in the present embodiment, and it can be connected through Knucle-gear 10 with the drive shaft of the multistage condensing lens scratching device of two covers.In this set mode, the shared CD-ROM drive motor of the two multistage condensing lens scratching devices of cover, the multistage condensing lens scratching device of two covers alternately comes into operation when indentation.
As shown in Figure 4, drive shaft is provided with one-level driving gear 11, secondary drive gear 12 and three grades of driving gears 13 of three different radiis in the present embodiment, and the radius ratio of one-level driving gear 11, secondary drive gear 12 and three grades of driving gears 13 is 1: 2: 3.This outer driving shaft 8 is connected with Knucle-gear 10, is connected with CD-ROM drive motor 7 through Knucle-gear.
Laser beam P forms four lines through the focusing of condensing lens 1,2,3 and 4, and these four distance between centers of tracks equate, because the source of laser beam is consistent, therefore when indentation, the beam quality after it focuses on is identical, has guaranteed the indentation effect stability.
When spacing was regulated, the condensing lens 1 fixing original position that keeps was as the benchmark of other three condensing lenss 2,3 and 4; CD-ROM drive motor 7 drives drive shaft 8 and rotates, and one-level driving gear 11, secondary drive gear 12 and three grades of driving gears 13 of being fixedly installed on the drive shaft 8 rotate synchronously, because the radius fixed ratio of one-level driving gear 11, secondary drive gear 12 and three grades of driving gears 13; It is 1: 2: 3, therefore when spacing, when condensing lens 2 is advanced 1mm; Condensing lens 3 2mm that advances; Condensing lens 4 3mm that advances, after adjustment finished, every adjacent two condensing lenss were equal all the time at the range difference on the laser beam incident direction (i.e. indentation between two adjacent condensing lenss distance); This has just guaranteed that the indentation spacing equates; And this spacing regulative mode can not limit the speed of unit, and spacing is regulated and to be independent of the unit production rate, not can with the interference of unit production rate.
Adopt the multistage condensing lens scratching device in this enforcement; When laser beam P shines on the condensing lens; Once focus on and form 4 focused beams, be engraved in the surface of band steel 6 simultaneously, guaranteed the consistence of indentation effect; Also improved unit speed, it can be brought up to unit speed about present 140m/min from about original 60m/min.
Be noted that the above specific embodiment of enumerating that is merely the utility model, obviously the utility model is not limited to above embodiment, and many similar variations are arranged thereupon.If those skilled in the art from all distortion that the disclosed content of the utility model directly derives or associates, all should belong to the protection domain of the utility model.
Claims (4)
1. multistage condensing lens scratching device treats that to one the surface of indentation object carries out indentation, it is characterized in that said multistage condensing lens scratching device comprises:
One is used to launch the laser source of laser beam;
One condensing lens array; It comprises the condensing lens that the N piece stacks successively on thickness direction; The side of the contiguous laser source of said each condensing lens is the focus reflection face of an inclination; Said laser source emitted laser bundle is radiated on the focus reflection face and is reflexed to by this focus reflection face and treats on the indentation object, said each condensing lens distance of equating of indentation successively from top to bottom on the direction of laser beam incident;
One drive unit, it is connected with said condensing lens array, drives each condensing lens and is relatively moving on the direction of laser beam incident and making the indentation distance between each condensing lens after relatively moving still equate.
2. multistage condensing lens scratching device as claimed in claim 1 is characterized in that, the below of the top of the condensing lens in the top of said condensing lens array and the condensing lens in bottom of said condensing lens array also is respectively equipped with a beam absorption device.
3. according to claim 1 or claim 2 multistage condensing lens scratching device is characterized in that the condensing lens in the top of said condensing lens array fixedly installs, and all the other N-1 piece condensing lenss are connected with said drive unit, and said drive unit comprises:
One can be around the drive shaft of its axle center rotation;
N-1 driving gear, its axial direction due along drive shaft is fixedly installed on the drive shaft successively, and the radius ratio of said each driving gear is 1: 2: 3: ...: (N-1);
N-1 drives tooth bar, and it is connected with a joggle with each driving gear is corresponding respectively, said respectively drive tooth bar also respectively with the corresponding fixed connection of said N-1 piece condensing lens.
4. multistage condensing lens scratching device as claimed in claim 2 is characterized in that said beam absorption utensil has an opening, and said opening is towards the direction of laser beam incident; The inside of said beam absorption device is a cavity, and the internal surface of said cavity is placed with a plurality of multifaceted prisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220007270 CN202482373U (en) | 2012-01-09 | 2012-01-09 | Multi-level focusing mirror nicking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220007270 CN202482373U (en) | 2012-01-09 | 2012-01-09 | Multi-level focusing mirror nicking device |
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| Publication Number | Publication Date |
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| CN202482373U true CN202482373U (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220007270 Expired - Lifetime CN202482373U (en) | 2012-01-09 | 2012-01-09 | Multi-level focusing mirror nicking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115044757A (en) * | 2022-06-22 | 2022-09-13 | 首钢智新迁安电磁材料有限公司 | Automatic adjusting device for laser scoring parabolic lens focus |
-
2012
- 2012-01-09 CN CN 201220007270 patent/CN202482373U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115044757A (en) * | 2022-06-22 | 2022-09-13 | 首钢智新迁安电磁材料有限公司 | Automatic adjusting device for laser scoring parabolic lens focus |
| CN115044757B (en) * | 2022-06-22 | 2024-01-02 | 首钢智新迁安电磁材料有限公司 | Automatic adjusting device for focus of parabolic mirror for laser scoring |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20121010 |
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| CX01 | Expiry of patent term |