CN114147364A - Rotary laser micro-carving equipment for light guide plate - Google Patents
Rotary laser micro-carving equipment for light guide plate Download PDFInfo
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- CN114147364A CN114147364A CN202111349531.8A CN202111349531A CN114147364A CN 114147364 A CN114147364 A CN 114147364A CN 202111349531 A CN202111349531 A CN 202111349531A CN 114147364 A CN114147364 A CN 114147364A
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- 238000001125 extrusion Methods 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 13
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses rotary laser micro-engraving equipment for a light guide plate, which comprises a working cabinet, a laser and a light beam dissipater, wherein the laser is fixed at the edge position of the upper end of the working cabinet; the invention increases the processing efficiency, reduces the processing time of the same size by 50 percent, reduces the energy waste, and reduces the loss speed of the energy dissipater because the processing energy of the second beam of mesh points comes from the original dissipation part.
Description
Technical Field
The invention relates to the technical field of laser micro-engraving equipment, in particular to rotary laser micro-engraving equipment for a light guide plate.
Background
The light guide plate is characterized in that light guide points are printed on the bottom surface of an optical acrylic plate by using laser engraving, V-shaped cross grid engraving and UV screen printing technologies by using the optical acrylic plate and then using a high-tech material which has a very high refractive index and does not absorb light. The light emitted from the lamp is absorbed by the optical-grade acrylic plate to stay on the surface of the optical-grade acrylic plate, when the light irradiates each light guide point, the reflected light can be diffused towards each angle, then the reflected light is destroyed to be emitted from the front surface of the light guide plate, and the light guide plate can uniformly emit light through the light guide points with various densities and sizes.
The existing light guide plate micro-carving equipment can process the light guide plate, but needs the cooperation of an eccentric coupler and a centering bearing, the rotating shaft center is different, the equipment debugging difficulty is high, and the existing light guide plate micro-carving equipment is too regular in processing, so that the processing effect of a product is general.
Disclosure of Invention
The invention solves the problems that:
(1) the existing light guide plate micro-carving equipment needs an eccentric coupling to be matched with a centering bearing, the rotating axes are different, and the equipment debugging difficulty is high;
(2) the existing light guide plate micro-carving equipment is too regular in processing, so that the regular processing tolerance is obviously reflected.
The invention aims to solve the defects in the prior art and provides a rotary laser micro-engraving device for a light guide plate.
In order to achieve the purpose, the invention adopts the following technical scheme:
a rotatory laser micro-carving equipment for light guide plate, including work cabinet, laser instrument and light beam dissipater, the laser instrument is fixed in work cabinet upper end edge position, and the up end of work cabinet and the rigidity that is close to laser instrument work end have first reputation modulator, and the up end of work cabinet is fixed with the second reputation modulator, has seted up the inner chamber in the work cabinet, is fixed with the baffle on the lateral wall of inner chamber, is equipped with the workstation on the baffle, and the workstation is fixed or rotation type.
As a further technical scheme of the invention, a plurality of reflection lenses are fixed on the upper end surface of the work cabinet, the beam dissipater is fixed on the upper end surface of the work cabinet and is positioned between the laser and the reflection lenses, and the second acousto-optic modulator is positioned between the plurality of reflection lenses and is close to the working end of the beam dissipater.
As a further technical scheme of the present invention, when the workbench is fixed, a fixed disc is fixed on the upper end surface of the partition plate, a first rotating motor is fixedly disposed at the center of a circle located on the upper end surface of the fixed disc, a rotating arm is fixedly sleeved on a driving shaft of the first rotating motor, and six sets of moving platforms are movably disposed on the upper end surface of the fixed disc.
As a further technical scheme of the present invention, a plurality of first reflector sets are fixedly disposed on the rotating arm, and a counterweight is fixed at one end of the rotating arm close to the first rotating motor.
As a further technical scheme of the invention, six groups of rectangular grooves are formed in the upper end face of the fixed disc, a movable guide rail is fixed to the bottom of each group of rectangular grooves, the lower end face of the movable platform is in sliding connection with the movable guide rail, and a first motor is fixed to the lower end face of each group of movable platform.
As a further technical scheme, two sides of each group of moving platforms are provided with grooves, an extrusion block is arranged in each groove in a sliding mode, the side wall of each groove is fixedly provided with a plurality of guide rods, one end, far away from each groove, of each guide rod penetrates through the interior of the extrusion block and is connected with the extrusion block in a sliding mode, and a plurality of first springs are fixed between the extrusion block and each groove.
As a further technical scheme of the invention, when the workbench is of a rotary type, a second rotary motor is fixed on the upper end surface of the partition plate, a rotary disc is fixed on a driving shaft of the second rotary motor, a second reflector group is fixed at the circle center of the upper end surface of the rotary disc, four third reflector groups are movably arranged on the upper end surface of the rotary disc, and a processing platform is movably arranged at the bottom of the inner cavity.
As a further technical scheme of the invention, four groups of through grooves matched with the third reflector group are formed in the upper end surface of the rotary disc, four groups of mounting plates are fixed on the upper end surface of the rotary disc, and a voice coil motor is arranged on the upper end surface of each mounting plate.
As a further technical scheme, each group of mounting plates is internally provided with a cavity, an inserting block is slidably connected in the cavity, one end of the inserting block is fixedly provided with a pull rod, one end of the pull rod, which is far away from the inserting block, penetrates through the mounting plates and is slidably connected with the mounting plates, a second spring is fixedly arranged between the inserting block and the side walls of the cavity, the bottom of the voice coil motor is fixedly provided with two groups of clamping blocks, and the upper end surface of each group of mounting plates is provided with two groups of clamping grooves.
The invention has the beneficial effects that:
1. through the cooperation of the first acousto-optic modulator, the second acousto-optic modulator and the plurality of reflection lenses, the second acousto-optic modulator performs switching action when the first acousto-optic modulator is not in a working state, another light path is formed to be 3 light, a certain distance exists between the 3 light and the original 1 light, another line of mesh points can be processed almost simultaneously, the processing efficiency is increased, the processing time of the same size is reduced by 50%, the energy waste is reduced, the processing energy of the second beam of mesh points comes from the original dissipation part, and the loss speed of the energy dissipater is reduced.
2. Through the swinging boom that sets up, first rotating electrical machines and moving platform's cooperation, change original a plurality of lenses into single reflection lens, and the lens form is changed into conventional form reflection lens by original customization special-shaped mirror, therefore, the cost is reduced, with the three-dimensional debugging between the original reflection lens, the change is the two-dimensional debugging, the debugging degree of difficulty has been reduced, and only there is single light path, the light path form does not have dynamic change, and get rid of the debugging difference of a plurality of lens barrels, the machining effect uniformity is better, when process time extension, a plurality of light guide plates are accomplished in one-shot processing, the yield is improved, can provide sufficient operating time for automation equipment, and moving platform can the fixed light guide plate of specification variation in size of quick centre gripping, the effectual suitability that improves this micro-carving equipment.
3. Through the voice coil motor that sets up, the cooperation of third speculum group and mounting panel, adjustment through the processing nonce, adjust to coarse regulation with the refinement, bring irregular change into by mechanical structure, reduce the debugging degree of difficulty, and because the nonce that the voice coil motor structure brought into, the condition desalination of position difference will be processed, can desalinate the processing deviation in the certain degree, improve product quality, because the nonce phenomenon, decompose former line into multirow discontinuous line, be equivalent to indirectness increase machining area, the efficiency of machining is improved, and the cooperation through mounting panel and inserted block, need make things convenient for operating personnel quick assembly disassembly voice coil motor when needs are changed the voice coil motor on the mounting panel and are maintained.
Drawings
FIG. 1 is a schematic view of the connection between a laser and a work cabinet according to the present invention;
FIG. 2 is a schematic view of the third reflector set connected to the rotary disk according to the present invention;
FIG. 3 is a schematic view of the connection of a first rotating electrical machine to a stationary disk in accordance with the present invention;
FIG. 4 is a schematic view of the connection between the movable platform and the extrusion block according to the present invention;
FIG. 5 is a schematic view of the connection of the extrusion blocks to the guide rods in the present invention;
FIG. 6 is a schematic view of the connection between the insert and the fixture block according to the present invention.
In the figure: 1. a work cabinet; 2. a laser; 3. a first acousto-optic modulator; 4. a second acousto-optic modulator; 5. a partition plate; 6. a mirror plate; 7. a fixed disc; 8. a first rotating electrical machine; 9. a rotating arm; 10. a mobile platform; 11. a balancing weight; 12. extruding the block; 13. a guide bar; 14. a third reflector group; 15. a processing platform; 16. mounting a plate; 17. a voice coil motor; 18. inserting a block; 19. a pull rod; 20. a clamping block; 21. a rotating disc; 22. a beam dissipater.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Example 1
Referring to fig. 1, 3, 4 and 5, the rotary laser micro-engraving device for light guide plate includes a working cabinet 1, a laser 2 and a beam dissipater 22, the laser 2 is fixed at the edge of the upper end of the working cabinet 1, a first acousto-optic modulator 3 is fixed at the upper end surface of the working cabinet 1 and near the working end of the laser 2, a second acousto-optic modulator 4 is fixed at the upper end surface of the working cabinet 1, during the mesh point processing, the ideal light guide effect can be achieved by ensuring that mesh points are not connected with mesh points, so the first acousto-optic modulator 3 is switched between a high-frequency working state and a non-working state, and when the first acousto-optic modulator 3 is not working, the second acousto-optic modulator 4 performs switching action to form another light path as 3 light, and a certain distance exists between the 3 light and the original 1 light, another line of mesh points can be processed at the same time, thereby increasing the processing efficiency, the same-size processing time is reduced by 50%, energy waste is reduced, the processing energy of the second beam of screen points comes from the original dissipating part, and the loss speed of the energy dissipater is reduced.
An inner cavity is formed in the work cabinet 1, a partition plate 5 is fixed on the side wall of the inner cavity, a workbench is arranged on the partition plate 5, the workbench is fixed or rotary, a plurality of reflection lenses 6 are fixed on the upper end face of the work cabinet 1, a light beam dissipator 22 is fixed on the upper end face of the work cabinet 1 and is located between the laser 2 and the reflection lenses 6, a second sound light modulator 4 is located between the reflection lenses 6 and is close to the working end of the light beam dissipator 22, when the workbench is fixed, a fixed disc 7 is fixed on the upper end face of the partition plate 5, a first rotating motor 8 is fixedly arranged at the circle center of the upper end face of the fixed disc 7, a rotating arm 9 is fixedly arranged on a driving shaft of the first rotating motor 8, and six groups of moving platforms 10 are movably arranged on the upper end face of the fixed disc 7.
A plurality of first reflector sets are fixedly arranged on a rotating arm 9, a balancing weight 11 is fixed at one end of the rotating arm 9 close to a first rotating motor 8, six groups of rectangular grooves are arranged on the upper end surface of a fixed disc 7, a moving guide rail is fixed at the bottom of each group of rectangular grooves, the lower end surface of a moving platform 10 is in sliding connection with the moving guide rail, a first motor is fixed at the lower end surface of each group of moving platform 10, the first rotating motor 8 and the first motor are matched with each other, the position to be dotted is moved according to an instruction, a first acousto-optic modulator 3 and a second acousto-optic modulator 4 operate, the laser angle which is originally reflected and injected into a beam dissipater 22 is deflected to a proper angle, after multiple reflection and focusing, the surface of a light guide plate is micro-engraved, when the first rotating motor 8 is used, the first motor is static, the dot processing is carried out, after one line processing is finished, the first motor pushes the moving platform 10 to move for a certain distance, the first rotating motor 8 rotates again to process the mesh points in the next row, and each time the rotating arm 9 rotates for one circle, one row of mesh points can be processed on the plurality of light guide plates until the complete processing of the plurality of light guide plates is completed.
Grooves are formed in two sides of each group of mobile platform 10, each groove is internally provided with an extrusion block 12 in a sliding manner, a plurality of guide rods 13 are fixed on the side wall of each groove, one end, far away from each groove, of each guide rod 13 penetrates into the extrusion block 12 and is in sliding connection with the extrusion block 12, a plurality of first springs are fixed between each extrusion block 12 and each groove, each extrusion block 12 is pulled outwards, a light guide plate to be processed is placed on the mobile platform 10, then the extrusion blocks 12 are released, the extrusion blocks 12 return along the original path under the action of the first springs and the guide rods 13 until being in abutting contact with the side wall of the light guide plate, the light guide plate placed on the mobile platform 10 is clamped and fixed, the light guide plate is prevented from falling off the mobile platform 10 in the process of moving along with the mobile platform 10, the processing progress is influenced, and the mobile platform 10 can clamp and fix light guide plates with different specifications and sizes, the applicability of the micro-carving equipment is effectively improved.
Example 2
Referring to fig. 1, 2 and 6, a rotary laser micro-engraving device for a light guide plate includes a working cabinet 1, a laser 2 and a beam dissipater 22, the laser 2 is fixed at the edge of the upper end of the working cabinet 1, a first acousto-optic modulator 3 is fixed on the upper end surface of the working cabinet 1 and near the working end of the laser 2, a second acousto-optic modulator 4 is fixed on the upper end surface of the working cabinet 1, and in the mesh point processing process, an ideal light guide effect can be achieved by ensuring that mesh points are not connected with each other, so that the first acousto-optic modulator 3 is switched between a high-frequency working state and a non-working state, and in the non-working state of the first acousto-optic modulator 3, the second acousto-optic modulator 4 performs switching action to form another light path of 3, and a certain distance exists between the 3 light and the original 1 light, so that another row of mesh points can be processed almost simultaneously, thereby increasing the processing efficiency, the same-size processing time is reduced by 50%, energy waste is reduced, the processing energy of the second beam of screen points comes from the original dissipating part, and the loss speed of the energy dissipater is reduced.
An inner cavity is formed in the work cabinet 1, a partition plate 5 is fixed on the side wall of the inner cavity, a work table is arranged on the partition plate 5 and is fixed or rotary, a plurality of reflection lenses 6 are fixed on the upper end face of the work cabinet 1, the light beam dissipater 22 is fixed on the upper end face of the work cabinet 1 and is located between the laser 2 and the reflection lenses 6, and the second sound light modulator 4 is located between the reflection lenses 6 and is close to the work end of the light beam dissipater 22.
When the workbench is of a rotary type, a second rotating motor is fixed on the upper end surface of the partition plate 5, a rotary disc 21 is fixed on a driving shaft of the second rotating motor, a second reflector group is fixed at the circle center of the upper end surface of the rotary disc 21, four groups of third reflector groups 14 are movably arranged on the upper end surface of the rotary disc 21, a processing platform 15 is movably arranged at the bottom of the inner cavity, the rotary disc is moved to a position to be dotted according to an instruction through the mutual matching of the second rotating motor and the processing platform 15, the voice coil motor 17 performs micro-motion to realize the rapid high-frequency change of a processing radius, the first acousto-optic modulator 3 and the second acousto-optic modulator 4 operate to deflect the original laser 0 light angle which is reflected into the light beam dissipater 22 to 1 light angle, after multiple reflection and focusing, the micro-engraving processing is performed on the surface of the light guide plate, the second rotating motor rotates to ensure that the light beam can be reflected to a designated position, the processing platform 15 is static, the next point is processed, after one line is processed, the second rotating motor rotates to the next supporting arm, the process is repeated, and according to the number of the supporting arms, the rotary type disc 21 can process the mesh points with the same number of lines as the supporting arms every time the rotary type disc rotates for one circle until the whole surface processing of the light guide plate is completed.
The upper end surface of the rotary disc 21 is provided with four groups of through grooves matched with the third reflector group 14, the upper end surface of the rotary disc 21 is fixed with four groups of mounting plates 16, the upper end surface of each group of mounting plates 16 is provided with a voice coil motor 17, each group of mounting plates 16 is internally provided with a cavity, an inserting block 18 is connected in the cavity in a sliding way, one end of the inserting block 18 is fixed with a pull rod 19, one end of the pull rod 19 far away from the inserting block 18 penetrates through the mounting plates 16 and is connected with the mounting plates 16 in a sliding way, a second spring is fixed between the inserting block 18 and the side wall of the cavity, the bottom of the voice coil motor 17 is fixed with two groups of clamping blocks 20, the upper end surface of each group of mounting plates 16 is provided with two groups of clamping grooves, the pull rod 19 is pulled outwards to drive the inserting block 18 to move together, in the process, the inserting block 18 is pulled out from the two groups of clamping blocks 20, at the moment, the inserting block 18 releases the limiting fixation of the clamping blocks 20, and the voice coil motor 17 can be moved away from the mounting plates 16, when the voice coil motor 17 on the mounting plate 16 needs to be replaced and maintained, the voice coil motor is convenient for an operator to rapidly disassemble and assemble.
When the invention is used, an operator selects a fixed workbench or a rotary workbench according to actual conditions, when the fixed workbench is selected, the operator can pull each extrusion block 12, put a light guide plate to be processed on the movable platform 10, then release the extrusion blocks 12, clamp and fix the light guide plate placed on the movable platform 10, prevent the light guide plate from falling off the movable platform 10 in the process of moving along with the movable platform 10 to influence the processing progress, and the movable platform 10 can clamp and fix the light guide plates with different specifications and sizes, thereby effectively improving the applicability of the micro-carving equipment, then under the action of the first acousto-optic modulator 3 and the second acousto-optic modulator 4, the light beam is transmitted into the workbench 1, the first acousto-optic modulator 3 and the first motor are matched with each other, and are moved to a position to be dotted according to an instruction, and the first acousto-optic modulator 3 and the second acousto-optic modulator 4 are operated, after the laser angle which is originally reflected and is sent into the light beam dissipater 22 is deflected to a proper angle, after multiple reflections and focusing, the surface of the light guide plate is micro-engraved, when the first rotating motor 8 is used, the first motor is static to process the mesh points, after one line is processed, the first motor pushes the moving platform 10 to move for a certain distance, the first rotating motor 8 rotates again to process the mesh points of the next line, and when the rotating arm 9 rotates for one circle, one line can be processed on a plurality of light guide plates until the complete processing of the plurality of light guide plates is completed;
when a rotary workbench is selected, a light guide plate to be processed is placed on a processing platform 15, a light beam is transmitted into a work cabinet 1 under the action of a first acousto-optic modulator 3 and a second acousto-optic modulator 4, the light beam is moved to a position to be dotted through the mutual matching of a second rotating motor and the processing platform 15 according to an instruction, a voice coil motor 17 carries out micro-motion to realize the rapid high-frequency change of a processing radius, the first acousto-optic modulator 3 and the second acousto-optic modulator 4 operate to deflect the laser 0 light angle which is originally reflected and is sent into a light beam dissipater 22 to 1 light angle, after multiple reflections and focusing, the surface of the light guide plate is micro-engraved, the second rotating motor rotates to ensure that the light beam can be reflected to a designated position, the processing platform 15 is static to carry out next point processing, after one line is processed, the second rotating motor is transferred to a next arm, and the process is repeated, according to the number of the support arms, the rotary disc 21 can process mesh points with the same number of the support arms and the same number of the lines every time the rotary disc rotates for one circle until the whole surface processing of the light guide plate is completed, when the voice coil motor 17 on the mounting plate 16 needs to be replaced and maintained, the pull rod 19 can be pulled outwards to move the voice coil motor 17 away from the mounting plate 16, and the quick disassembly and assembly of an operator are facilitated.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111349531.8A CN114147364A (en) | 2021-11-15 | 2021-11-15 | Rotary laser micro-carving equipment for light guide plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111349531.8A CN114147364A (en) | 2021-11-15 | 2021-11-15 | Rotary laser micro-carving equipment for light guide plate |
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| CN114147364A true CN114147364A (en) | 2022-03-08 |
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| CN202111349531.8A Pending CN114147364A (en) | 2021-11-15 | 2021-11-15 | Rotary laser micro-carving equipment for light guide plate |
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Cited By (1)
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| CN114918550A (en) * | 2022-06-07 | 2022-08-19 | 常州英诺激光科技有限公司 | High-speed multistation laser marking device based on polar coordinates |
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Application publication date: 20220308 |