CN111168226B - Light guide plate mesh point processing device based on double rotating motors - Google Patents
Light guide plate mesh point processing device based on double rotating motorsDownload PDFInfo
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- CN111168226B CN111168226BCN202010049968.9ACN202010049968ACN111168226BCN 111168226 BCN111168226 BCN 111168226BCN 202010049968 ACN202010049968 ACN 202010049968ACN 111168226 BCN111168226 BCN 111168226B
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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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- 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
- 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
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- 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
- 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
- B23K26/702—Auxiliary equipment
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Abstract
Description
Technical Field
The invention relates to the technical field of light guide plate processing, in particular to a light guide plate mesh point processing device based on a double-rotating motor.
Background
The liquid crystal display device has the advantages of light weight, thinness, low power consumption and the like, and is widely applied to modern information equipment. Since the liquid crystal in the lcd panel does not have a light-emitting characteristic, in order to achieve the display effect, a backlight module is required to be provided for the lcd panel, the backlight module has a function of providing a surface light source with sufficient and uniform luminance to the lcd panel, and the light guide plate in the backlight module functions to guide the scattering direction of light to improve the luminance and control the uniformity of the luminance, so the design and manufacture of the light guide plate is one of the key technologies of the backlight module.
In the prior art, when the mesh points on the light guide plate are processed by laser, the laser is often reflected by the linear processing assembly, so that the optical distances from different lasers to the surface to be processed of the light guide plate are inconsistent, the mesh points on the light guide plate are different in depth, and the quality is poor.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a light guide plate mesh point processing device based on a double-rotating motor, and the processing quality of a light guide plate is improved.
The invention provides a light guide plate mesh point processing device based on a double-rotating motor, which comprises a rack and a processing platform for fixing a light guide plate, wherein the processing platform is arranged on the rack and movably connected with the rack; the reflecting mechanism comprises a rotating disk, a first reflector group and a second reflector group, the first reflector group is used for reflecting laser emitted by the laser, the second reflector group is used for reflecting the laser reflected by the first reflector group, the output end of the driving mechanism is connected with the rotating disk, and the second reflector group is fixed on the rotating disk; the driving mechanism comprises a first rotating motor used for driving the rotating disc to rotate and a second rotating motor used for driving the first reflector group to rotate, the second rotating motor is fixed on the rotating disc, and the first rotating motor is fixed on the rack.
Further, the second mirror group includes a plurality of focus lens and a plurality of second mirror piece, and the income light end of focus lens and the play light end fixed connection of second mirror piece, the play light end of focus lens set up in the processing platform top, and a plurality of second mirror pieces set up in the edge of rotary disk upper surface.
Further, an output terminal of the first rotating motor is connected to the center of the lower surface of the rotating disk, and a fixed terminal of the second rotating motor is fixed to the center of the upper surface of the rotating disk.
Furthermore, a laser adjusting mechanism is arranged between the laser and the reflecting mechanism, the light inlet end of the laser adjusting mechanism is arranged corresponding to the light outlet end of the laser, and the light outlet end of the laser adjusting mechanism is arranged corresponding to the light inlet end of the reflecting mechanism.
Furthermore, the laser adjusting mechanism comprises a first acousto-optic modulator and a third reflector set which reflects the laser passing through the first acousto-optic modulator to the first reflector set, the light inlet end of the first acousto-optic modulator is arranged corresponding to the light outlet end of the laser, and the light outlet end of the first acousto-optic modulator is arranged corresponding to the light inlet end of the third reflector set.
Furthermore, the third mirror group includes a third mirror, a fourth mirror, a fifth mirror, a sixth mirror and a beam dissipator, wherein a light incident end of the third mirror corresponds to a light exiting end of the acousto-optic modulator, a light exiting end of the third mirror corresponds to a light incident end of the fourth mirror and a light entering end of the fifth mirror, a light exiting end of the fourth mirror corresponds to a light incident end of the beam dissipator, a light exiting end of the fifth mirror corresponds to a light entering end of the sixth mirror, and a light exiting end of the sixth mirror is connected to a light entering end of the first mirror group.
Further, the laser adjusting mechanism further comprises a second acoustic optical modulator, and the third mirror group further comprises a seventh mirror and an eighth mirror;
the light inlet end of the second sound light modulator is arranged corresponding to the light outlet end of the third reflector plate, the light outlet end of the second sound light modulator is arranged corresponding to the light inlet end of the light beam dissipator and the light inlet end of the eighth reflector plate, the light outlet end of the eighth reflector plate is arranged corresponding to the light inlet end of the seventh reflector plate, and the light outlet end of the seventh reflector plate is arranged corresponding to the light inlet end of the sixth reflector plate.
A light guide plate includes a light guide plate processed by the processing device of the present application.
A backlight module comprises a light guide plate processed by the processing device.
A liquid crystal display device includes a light guide plate processed by the processing device of the present application.
The light guide plate mesh point processing device based on the double rotating motors has the advantages that: according to the light guide plate mesh point processing device based on the double rotating motors, the traditional linear acceleration and deceleration motion is converted into the rotating motion, the two rotating motors are coaxially arranged, the eccentric coupling structure arranged in the traditional mode is avoided, the uniform-speed operation of the rotating direction of the reflecting mechanism can be guaranteed, the energy loss defect of the acceleration and deceleration motion in the traditional linear processing is overcome, the stability of a light path is improved, and the processing quality of the light guide plate is improved; meanwhile, as the first reflector group and the second reflector group rotate at a constant speed, the optical path corresponding to each mesh point on the light guide plate during processing is basically consistent, the energy consumption is basically consistent, the processing quality of the mesh points on the light guide plate tends to be consistent, and the processing quality of the mesh points on the light guide plate is improved; by the modulation action of the two acousto-optic modulators, the two laser beams reaching the surface to be processed of the light guide plate are ensured not to intersect with each other, so that when the mesh points of the light guide plate are processed, the mesh points are not connected with each other, and the processing precision of the light guide plate is improved; meanwhile, the two laser beams sequentially process different rows of mesh points on the light guide plate, so that the processing efficiency of the light guide plate and the utilization efficiency of the laser are improved, and the processing time is saved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a plan view of FIG. 1;
FIG. 3 is a schematic structural view of a reflection mechanism;
FIG. 4 is a structural diagram corresponding to the first embodiment of the laser adjustment mechanism;
FIG. 5 is a structural diagram corresponding to a second embodiment of a laser adjustment mechanism;
FIG. 6 is an operational view of a second embodiment of a laser adjustment mechanism;
wherein, 1-a processing platform, 2-a laser, 3-a reflection mechanism, 4-a driving mechanism, 5-a laser adjusting mechanism, 6-a first optical path, 7-a frame, 9-a second optical path, 10-a third optical path, 31-a rotating disc, 32-a first reflector set, 33-a second reflector set, 34-a rotating shaft, 41-a first rotating motor, 42-a second rotating motor, 51-a first acousto-optic modulator, 52-a third reflector set, 53-a second acousto-optic modulator, 331-a focusing lens, 332-a second reflector, 521-a third reflector set, 522-a fourth reflector set, 523-a fifth reflector set, 524-a sixth reflector set, 525-a beam dissipater, 526-a seventh reflector set, 527-eighth mirror plate.
Detailed Description
The present invention is described in detail below with reference to specific embodiments, and in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
As shown in fig. 1 to 5, the light guide plate mesh point processing device based on the dual-rotation motor provided by the invention comprises aframe 7 and a processing platform 1 for fixing the light guide plate, wherein the processing platform 1 is arranged on theframe 7 and movably connected with theframe 7, and theframe 7 is further provided with alaser 2, areflecting mechanism 3 for reflecting laser emitted by thelaser 2 onto the light guide plate, and a driving mechanism 4 for driving thereflecting mechanism 3 to rotate; thereflecting mechanism 3 comprises arotating disc 31, a first reflectingmirror group 32 for reflecting laser emitted by thelaser 2 and a second reflectingmirror group 33 for reflecting the laser reflected by the first reflectingmirror group 32, the output end of the driving mechanism 4 is connected with therotating disc 31, and the second reflectingmirror group 33 is fixed on the rotatingdisc 31; the driving mechanism 4 includes a firstrotating motor 41 for driving the rotatingdisc 31 to rotate and a second rotatingmotor 42 for driving thefirst mirror group 32 to rotate, the second rotatingmotor 42 is fixed on the rotatingdisc 31, and the first rotatingmotor 41 is fixed on theframe 7.
The processing platform 1 can be movably fixed on theframe 7, meanwhile, devices for processing the light guide plate mesh points are fixed on theframe 7, a servo motor is arranged on theframe 7, the servo motor drives the processing platform 1 to move on theframe 7 so as to realize movable connection of the processing platform 1 and theframe 7, and the processing platform 1 is driven by the servo motor to realize linear motion so as to realize processing of the light guide plate mesh points.
The output end of the second rotatingmotor 42 is drivingly connected to thefirst mirror group 32, and the secondrotating motor 42 is fixed on the rotatingdisc 31, so that thefirst mirror group 32 and thesecond mirror group 33 rotate along with the rotation of the first rotatingmotor 41. The first reflectingmirror group 32 is driven to rotate by the second rotatingmotor 42, so that the first reflectingmirror group 32 corresponds to different reflecting mirrors in the second reflectingmirror group 33, and when the second rotatingmotor 42 drives the first reflectingmirror group 32 to rotate to a set angle, the processing platform 1 drives the light guide plate to linearly move to a set distance in a certain direction (the set distance is the distance between adjacent rows of the mesh points on the light guide plate), and finally, the mesh points on the light guide plate are accurately processed.
When the light guide plate rotates for a certain angle, the light guide plate moves to a certain direction for a set distance; the traditional linear processing is optimized to be rotary processing, the energy loss defect of acceleration and deceleration movement during the traditional linear processing is overcome, the path of a laser beam from a laser light source to the light guide plate is basically unchanged, the size and depth of mesh points processed at different positions of the light guide plate are basically consistent, and the processing efficiency and quality of the light guide plate are improved.
The first reflectingmirror group 32 adopts a conventional reflecting mirror, and is driven to rotate by the servo motor, so that the processing cost of forming the first reflectingmirror group 32 by combining a plurality of reflecting mirrors is avoided, the debugging operation when the plurality of reflecting mirrors are combined is avoided, and the debugging difficulty is reduced.
The output end of the first rotatingmotor 41 is connected to the center of the lower surface of the rotatingdisk 31, the fixed end of the second rotatingmotor 42 is fixed at the center of the upper surface of the rotatingdisk 31, and the two rotating motors are coaxially arranged, so that an eccentric coupling structure arranged in the traditional method is avoided, the stability of a light path is improved, and the processing quality of the light guide plate is improved.
Preferably, thefirst mirror group 32 is a mirror, the mirror is fixedly disposed at a middle position of therotating disc 31 with a certain inclination, in order to reflect the laser light reflected by thefirst mirror group 32 to the light guide plate, thesecond mirror group 33 includes a plurality of focusing mirrors 331 and a plurality of second mirrors 332 corresponding to the first mirrors 322, an incident end of the focusing mirrors 331 is fixedly connected to an emergent end of the second mirrors 332, an emergent end of the focusing mirrors 331 is disposed above the light guide plate, and the plurality of second mirrors 332 are disposed at an edge of the upper surface of the rotatingdisc 31.
As an embodiment of thesecond mirror group 33, as shown in fig. 3, there are four second mirror pieces 332 and four focusing mirror pieces 331, the second mirror pieces 332 are disposed in a housing fixed at the edge of the upper surface of the rotatingdisk 31, the four second mirror pieces 332 form a space, and thefirst mirror group 32 is disposed in the space and fixed at the center of the rotatingdisk 31 by the second rotatingmotor 42. The second reflecting mirror 332 is disposed at the inlet end of the housing and corresponds to the light-emitting end of the first reflecting mirror 322, the focusing mirror 331 is disposed at the outlet end of the housing, the focusing mirror 331 is fixedly connected to the rotatingdisc 31, the housing and the focusing mirror 331 are disposed at two opposite sides of the rotatingdisc 31, and the rotatingdisc 31 is opened at the connection position of the housing and the focusing mirror 331, so that the housing and the focusing mirror 331 are communicated. The focusing lens 331 focuses the divergent laser reflected by the second reflecting mirror 332, so that the laser is focused on the whole light guide plate, the non-uniform laser on the light guide plate is homogenized, and the capability of the edge beam of the laser to enter the light guide plate is improved.
Similarly, the second reflecting mirror 332 and the focusing mirror 331 are not limited to four, and may be one, two or more, and correspond to the first reflecting mirror 322.
Preferably, in order to enable the laser emitted by thelaser 2 to smoothly reach thereflection mechanism 3, alaser adjustment mechanism 5 is further disposed between thelaser 2 and thereflection mechanism 3, a light incident end of thelaser adjustment mechanism 5 is disposed corresponding to a light exiting end of thelaser 2, and a light exiting end is disposed corresponding to a light incident end of thereflection mechanism 3.
Thelaser adjusting mechanism 5 includes a first acousto-optic modulator 51 and a third reflector set 52 for reflecting the laser light passing through the first acousto-optic modulator 51 to the first reflector set 32, wherein the light incident end of the first acousto-optic modulator 51 is arranged corresponding to the light emergent end of thelaser 2, and the light emergent end is arranged corresponding to the light incident end of the third reflector set 52.
After the laser emitted by thelaser 2 passes through the acousto-optic modulator 51, the optical carrier of the laser is modulated to become an intensity modulation wave carrying information, so that the undistorted transmission of the laser is realized, and the accuracy of the laser entering the light guide plate is improved.
As shown in fig. 4, as a first embodiment of the laser light adjustment mechanism 5:
thelaser adjusting mechanism 5 includes a first acousto-optic modulator 51 and athird mirror group 52, thethird mirror group 52 includes athird mirror 521, afourth mirror 522, afifth mirror 523, asixth mirror 524 and alight beam dissipator 525, an incident end of thethird mirror 521 is disposed corresponding to an emergent end of the acousto-optic modulator 51, an emergent end of thethird mirror 521 is disposed corresponding to incident ends of thefourth mirror 522 and thefifth mirror 523, respectively, an emergent end of thefourth mirror 522 is disposed corresponding to an incident end of thelight beam dissipator 525, an emergent end of thefifth mirror 523 is disposed corresponding to an incident end of thesixth mirror 524, and an emergent end of thesixth mirror 524 is connected to an incident end of thefirst mirror group 32.
As shown in fig. 4, in order to cooperate with the processing of the light guide plate, not all the laser light emitted by thelaser 2 is used, when the light guide plate is processed at the processing interval in the processing process, the laser light emitted by thelaser 2 passes through the modulation action of the acousto-optic modulator 51, and the laser light enters thebeam dissipater 525 through the reflection action of thethird reflector 521 and thefourth reflector 522 according to the first light path 6, so that the influence of the random scattering of the laser light on the operator, the working environment and the like is avoided; when the light guide plate is machined in the machining process, laser emitted by thelaser 2 deviates a certain angle through the modulation effect of the acousto-optic modulator 51, so that the laser deviates from the first light path 6 and enters the first reflector 322 of thereflection mechanism 3 along the second light path 9 through thethird reflector 521, thefifth reflector 523 and thesixth reflector 524, and the machining of the light guide plate is realized.
As shown in fig. 5, as a second embodiment of the laser light adjustment mechanism 5:
thelaser adjusting mechanism 5 includes a first acousto-optic modulator 51, a second acousto-optic modulator 53 and athird mirror group 52, thethird mirror group 52 includes athird mirror 521, afourth mirror 522, afifth mirror 523, asixth mirror 524, abeam dissipator 525, aseventh mirror 526 and aneighth mirror 527, a light incident end of thethird mirror 521 is disposed corresponding to a light emergent end of the acousto-optic modulator 51, a light emergent end of thethird mirror 521 is disposed corresponding to light incident ends of thefourth mirror 522 and thefifth mirror 523, a light emergent end of thefourth mirror 522 is disposed corresponding to a light incident end of the second acousto-optic modulator 53, a light emergent end of the second acousto-optic modulator 53 is disposed corresponding to a light incident end of thebeam dissipator 525 and a light incident end of theeighth mirror 527, a light emergent end of theeighth mirror 527 is disposed corresponding to a light incident end of theseventh mirror 526, the light-emitting end of theseventh mirror 526 is disposed corresponding to thesixth mirror 524, the light-emitting end of thefifth mirror 523 is disposed corresponding to the light-entering end of thesixth mirror 524, and the light-emitting end of thesixth mirror 524 is connected to the light-entering end of thefirst mirror group 32.
After laser emitted by thelaser 2 passes through the first acousto-optic modulator 51 and the second acousto-optic modulator 53, an optical carrier of the laser is modulated to become an intensity modulation wave carrying information, distortion-free transmission of the laser is realized, two laser beams reaching a to-be-processed surface of the light guide plate are ensured not to be crossed, when mesh points of the light guide plate are processed, the mesh points are not connected with each other, and the processing precision of the light guide plate is improved; meanwhile, the two laser beams sequentially process different rows of mesh points on the light guide plate, so that the processing efficiency of the light guide plate and the utilization efficiency of the laser are improved, and the processing time is saved.
In this embodiment, thelaser adjusting mechanism 5 may include a plurality of acousto-optic modulators, and in two adjacent acousto-optic modulators, the light exit end of one acousto-optic modulator is connected to the light entrance end of the other acousto-optic modulator, so that multi-light-path dot processing of the light guide plate can be realized.
In order to cooperate with the processing of the light guide plate, the laser emitted by thelaser 2 is not used in its entirety, so that the acousto-optic modulator is required to perform the offset modulation of the emitting direction of the laser beam, so that the laser beam enters the light guide plate at a set time for dot processing. The laser emitted by thelaser 2 is reflected by the first acousto-optic modulator 51, the second acousto-optic modulator 53 and the plurality of reflection mirrors, so that the laser is stably transmitted to the surface to be processed of the light guide plate. The first acousto-optic modulator 51 and the second acousto-optic modulator 53 modulate laser at different moments, when the first acousto-optic modulator 51 works, the laser beam is subjected to offset modulation, the laser is changed from the original first light path 6 to the second light path 9 for transmission, when the second acousto-optic modulator 53 works, the laser beam is subjected to offset modulation, and the laser beam is changed from the original first light path 6 to thethird light path 10.
As shown in fig. 6, the operation of the laser adjusting mechanism 5: when the first acousto-optic modulator 51 works, laser emitted by thelaser 2 sequentially passes through the first acousto-optic modulator 51, thethird reflector 521, the fifth reflector and thesixth reflector 524 along the second light path 9 and is emitted onto the surface to be processed of the light guide plate; when the first acousto-optic modulator 51 and the second acousto-optic modulator 53 are not in operation, laser light emitted by thelaser 2 sequentially passes through the first acousto-optic modulator 51, thefourth mirror 522 and the second acousto-optic modulator 53 along the first optical path 6 and enters thebeam dissipater 525 so as to dissipate the laser light; when the first acousto-optic modulator 51 does not work and the second acousto-optic modulator 53 works, the laser light emitted by thelaser 2 sequentially passes through the first acousto-optic modulator 51, thefourth reflector 522, the second acousto-optic modulator 53, theeighth reflector 527, theseventh reflector 526 and thesixth reflector 524 along the first optical path 6 and the thirdoptical path 10 and is emitted to the surface to be processed of the light guide plate, so that the light guide plate is processed.
In summary, the processing procedure of the light guide plate mesh point processing is as follows: the servo motor drives the processing platform 1 to move to a set position in a certain direction, meanwhile, the second rotatingmotor 42 rotates to set an angle, so that the light emitting end of thefirst reflector group 32 corresponds to the light entering end of one of the second reflector pieces 332 in thesecond reflector group 33, the first rotatingmotor 41 drives the rotatingdisk 31 to rotate, so that thefirst reflector group 32 and thesecond reflector group 33 rotate at the same angular speed, laser emitted by thelaser 2 is reflected to the second reflector piece 332 through thefirst reflector group 32, and then enters the to-be-processed surface of the light guide plate through the corresponding focus lens 331, and processing of a row of lattice points on the light guide plate is realized. After the row of dots is processed, the servo motor drives the processing platform 1 to move forward for a set distance (corresponding to the spacing distance between adjacent dots), and meanwhile, the second rotatingmotor 42 rotates for a set angle, so that the light emitting end of thefirst reflector group 32 corresponds to the light entering end of the next second reflector 332 in thesecond reflector group 33, laser emitted by thelaser 2 is reflected to the second reflector 332 through thefirst reflector group 32, and then enters the surface to be processed of the light guide plate through the corresponding focusing lens 331, processing of the upper row of dots and the lower row of dots on the light guide plate is realized, the processing platform is moved circularly and the second rotatingmotor 42 is rotated, and processing of the dots on the light guide plate is completed.
A light guide plate includes a light guide plate processed by the processing device of the present application.
A backlight module comprises a light guide plate processed by the processing device.
A liquid crystal display device includes a light guide plate processed by the processing device of the present application.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A light guide plate mesh point processing device based on double rotating motors comprises a rack (7) and a processing platform (1) for fixing a light guide plate, wherein the processing platform (1) is arranged on the rack (7) and movably connected with the rack (7), and is characterized in that the rack (7) is also provided with a laser (2), a reflecting mechanism (3) for reflecting laser emitted by the laser (2) onto the light guide plate and a driving mechanism (4) for driving the reflecting mechanism (3) to rotate;
the reflecting mechanism (3) comprises a rotating disk (31), a first reflecting mirror group (32) used for reflecting laser emitted by the laser (2) and a second reflecting mirror group (33) used for reflecting the laser reflected by the first reflecting mirror group (32), the output end of the driving mechanism (4) is connected with the rotating disk (31), and the second reflecting mirror group (33) is fixed on the rotating disk (31);
the driving mechanism (4) comprises a first rotating motor (41) for driving the rotating disc (31) to rotate and a second rotating motor (42) for driving the first reflecting mirror group (32) to rotate, and the second rotating motor (42) is fixed on the rotating disc (31);
the output end of the first rotating motor (41) is connected to the center of the lower surface of the rotating disc (31), and the fixed end of the second rotating motor (42) is fixed at the center of the upper surface of the rotating disc (31);
a laser adjusting mechanism (5) is further arranged between the laser (2) and the reflecting mechanism (3), and the laser adjusting mechanism (5) comprises a first acousto-optic modulator (51) and a second acousto-optic modulator (53).
2. The light guide plate mesh point processing device based on the double-rotating motor as claimed in claim 1, wherein the second mirror group (33) comprises a plurality of focusing lenses (331) and a plurality of second mirror pieces (332), the light inlet ends of the focusing lenses (331) are fixedly connected with the light outlet ends of the second mirror pieces (332), the light outlet ends of the focusing lenses (331) are disposed above the processing platform (1), and the plurality of second mirror pieces (332) are disposed at the edge of the upper surface of the rotating disk (31).
3. The double-rotating-motor-based light guide plate mesh point processing device of any one of claims 1-2, wherein the light input end of the laser adjusting mechanism (5) is arranged corresponding to the light output end of the laser (2), and the light output end is arranged corresponding to the light input end of the reflecting mechanism (3).
4. The light guide plate mesh point processing device based on the double rotating motors as claimed in claim 3, wherein the laser adjusting mechanism (5) comprises a third reflector group (52) for reflecting the laser passing through the first acousto-optic modulator (51) to the first reflector group (32), the light-in end of the first acousto-optic modulator (51) is arranged corresponding to the light-out end of the laser (2), and the light-out end is arranged corresponding to the light-in end of the third reflector group (52).
5. The double-rotating-motor-based light guide plate mesh point processing device according to claim 4, the third reflector group (52) comprises a third reflector (521), a fourth reflector (522), a fifth reflector (523), a sixth reflector (524) and a light beam dissipator (525), wherein the light inlet end of the third reflector (521) corresponds to the light outlet end of the acousto-optic modulator (51), the light outlet end of the third reflector (521) corresponds to the light inlet ends of the fourth reflector (522) and the fifth reflector (523), the light outlet end of the fourth reflector (522) corresponds to the light inlet end of the light beam dissipator (525), the light outlet end of the fifth reflector (523) corresponds to the light inlet end of the sixth reflector (524), and the light outlet end of the sixth reflector (524) is connected to the light inlet end of the first reflector group (32).
6. The double-rotating-motor-based light guide plate mesh processing device of claim 5, wherein the third mirror group (52) further comprises a seventh mirror (526) and an eighth mirror (527);
the light inlet end of the second sound light modulator (53) is arranged corresponding to the light outlet end of the third reflector (521), the light outlet end of the second sound light modulator (53) is arranged corresponding to the light inlet end of the light beam dissipator (525) and the light inlet end of the eighth reflector (527), the light outlet end of the eighth reflector (527) is arranged corresponding to the light inlet end of the seventh reflector (526), and the light outlet end of the seventh reflector (526) is arranged corresponding to the light inlet end of the sixth reflector (524).
7. A light guide plate comprising the light guide plate processed by the processing apparatus according to any one of claims 1 to 6.
8. A backlight module comprising a light guide plate processed by the processing apparatus of any one of claims 1 to 6.
9. A liquid crystal display device comprising a light guide plate processed by the processing device according to any one of claims 1 to 6.
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| CN202010049968.9ACN111168226B (en) | 2020-01-17 | 2020-01-17 | Light guide plate mesh point processing device based on double rotating motors |
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| CN202010049968.9ACN111168226B (en) | 2020-01-17 | 2020-01-17 | Light guide plate mesh point processing device based on double rotating motors |
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| CN111168226Btrue CN111168226B (en) | 2022-04-08 |
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|---|---|---|---|---|
| CN114147364A (en)* | 2021-11-15 | 2022-03-08 | 合肥泰沃达智能装备有限公司 | Rotary laser micro-carving equipment for light guide plate |
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| CN111168226A (en) | 2020-05-19 |
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