CN113232077B - Manufacturing and processing technology of high-transmittance light guide plate - Google Patents
Manufacturing and processing technology of high-transmittance light guide plate Download PDFInfo
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- CN113232077B CN113232077B CN202110425334.3A CN202110425334A CN113232077B CN 113232077 B CN113232077 B CN 113232077B CN 202110425334 A CN202110425334 A CN 202110425334A CN 113232077 B CN113232077 B CN 113232077B
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- light guide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
- B26D7/025—Means for holding or positioning work with clamping means acting upon planar surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/10—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/27—Means for performing other operations combined with cutting
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
Abstract
The invention relates to a manufacturing and processing technology of a high-transmittance light guide plate, which uses plate cutting equipment, wherein the plate cutting equipment comprises a base, a positioning and fixing device and a cutting anti-cracking device, the inner wall of the lower end of the base is provided with the positioning and fixing device, and the upper end of the base is provided with the cutting anti-cracking device; according to the invention, through continuous extrusion of the two ends of the real-time notch in the cutting process, the plate is prevented from being cracked due to the internal stress of the plate, so that the problem that the product is unqualified and light cannot be reflected effectively due to the cracking of the film-covered surface of the wedge-shaped light guide plate is solved; according to the invention, the plates are fixed in an omnibearing multi-point fixing mode, and one plate is divided into two wedge-shaped plates, so that the qualification rate of plate molding is greatly improved.
Description
Technical Field
The invention relates to the technical field of light guide plate manufacturing, in particular to a manufacturing and processing technology of a high-transmittance light guide plate.
Background
The light guide plate is made of an optical acrylic/PC plate, and then a high-tech material with extremely high refractive index and no light absorption is used for printing light guide points on the bottom surface of the optical acrylic plate by using laser engraving, V-shaped cross grid engraving and UV screen printing technologies. The high-transmittance light guide plate utilizes the optical acrylic plate to absorb the stay of light emitted from the lamp on the surface of the optical acrylic plate, when the light rays are emitted to each light guide point, the reflected light can be diffused towards each angle, and then the reflection condition is destroyed and emitted from the front surface of the light guide plate.
Firstly, because the light guide plate in the backlight module of the motor machine is thicker, the internal stress of the plate can cause the phenomena of incision, cracking and the like in the cutting process of the cutter, so that the film covering surface of the wedge-shaped light guide plate is cracked, the product is unqualified, and the light cannot be reflected effectively; two need the omnidirectional be fixed when cutting the panel, still need prevent to form between clamping device and the cutting device and interfere, so be difficult to carry out the omnidirectional effectual fixed to the panel to lead to the problem that wedge light guide plate qualification rate is low.
Disclosure of Invention
The invention aims to provide a manufacturing and processing technology of a high-transmittance light guide plate, which has the advantages of omnibearing fixation, cracking prevention, cutting and the like, thereby solving the problems.
The manufacturing and processing technology of the high-transmittance light guide plate uses plate cutting equipment, the plate cutting equipment comprises a base, a positioning and fixing device and a cutting anti-cracking device, and the manufacturing technology of the light guide plate by adopting the plate cutting equipment further comprises the following steps:
s1, primary cutting of a plate: dividing the rough plate blank into rectangular plates with fixed length and fixed width;
s2, forming a plate: positioning and fixing the rectangular plate with the fixed length and the top width by a positioning and fixing device, and cutting the plate into two wedge-shaped plates by a cutting anti-cracking device;
s3, film forming: attaching an optical film on the inclined surface of the wedge-shaped plate, thereby manufacturing a light guide plate;
s4, blanking and warehousing: blanking and collecting the formed light guide plate, and warehousing and storing the collected light guide plate;
the inner wall of the lower end of the base is provided with a positioning and fixing device, and the upper end of the base is provided with a cutting and cracking preventing device; the positioning and fixing device clamps the plates, and the cutting anti-cracking device divides one plate into two wedge-shaped plates with identical specifications.
The cutting anti-cracking device comprises a supporting frame, a driving cylinder, a lifting platform, a fixing mechanism, a driving motor, a rotary screw rod, a guide sliding block, a feeding tool rest and a cutting mechanism, wherein the supporting frame is arranged at the upper end of a base; the driving cylinder pushes the lifting platform to feed downwards, the fixing mechanism fixes the plate on the z axis and enables the cutting mechanism to reach a designated position, the driving motor drives the feeding tool rest to feed obliquely right and then through the action of the rotating screw rod and the guide sliding block, and therefore the plate is cut through the cutting mechanism, and the wedge-shaped plate with the same Cheng Kuaigui grids is cut.
The cutting mechanism comprises a sliding frame, a pressing spring, a partition plate, rotating wheels, an anti-cracking unit, an extrusion belt and a cutting knife, wherein the sliding frame is arranged between the inner walls of the front end and the rear end of the feeding knife rest in a sliding mode, the pressing spring is arranged between the upper end of the sliding frame and the inner wall of the upper end of the feeding knife rest, the partition plate is arranged on the inner wall of the upper end of the sliding frame, rotating shafts are symmetrically arranged between the inner walls of the front end and the rear end of the sliding frame through bearings, the rotating wheels are symmetrically arranged on the outer walls of the rotating shafts in a front-back mode, the extrusion belt is sleeved on the outer walls of the rotating wheels, the anti-cracking unit is symmetrically arranged at the front end and the rear end of the partition plate, and the cutting knife is arranged at the lower end of the feeding knife rest; when the lifting platform is fed downwards, when the extrusion belt contacts the upper end face of the plate, the sliding frame is fed upwards relative to the feeding knife rest through the extrusion pressing spring, and the anti-cracking unit rolls the two ends of the plate notch through the extrusion belt, so that when the cutting knife cuts the plate, the plate is prevented from being split due to internal stress of the plate.
The anti-cracking unit comprises an anti-cracking frame, a lower pressing frame, a rotating roller frame, rotating rollers and auxiliary springs, wherein the anti-cracking frame is symmetrically arranged at the front end and the rear end of the partition plate, the rotating roller frame is uniformly arranged at the lower end of the lower pressing frame from left to right, the rotating roller frame is connected with the inner wall of the lower end of the anti-cracking frame in a sliding mode, the rotating rollers are connected with the rotating roller frame in a bearing mode, and the auxiliary springs are arranged at the upper end of the lower pressing frame. The auxiliary spring applies pressure to the rotating roller, so that the rotating roller rolls the front and rear cutting areas of the cutting knife through the extrusion belt, and the internal stress of the plate is counteracted.
The positioning and fixing device comprises a guide chute, a double-shaft motor, a threaded column, a feeding block, a driven sliding block and an L-shaped clamping plate, wherein the guide chute is formed in the upper end of the base along central symmetry, the double-shaft motor is arranged on the inner wall of the lower end of the base through a motor base, the output ends of the left end and the right end of the double-shaft motor are provided with the threaded column, the feeding block is arranged on the inner wall of the lower end of the base in a sliding mode in a bilateral symmetry manner, the feeding block is connected with the threaded column through threaded connection, the driven sliding block is arranged at the upper end of the feeding block in a sliding mode in a front-rear symmetry manner, the L-shaped clamping plate is arranged at the upper end of the driven sliding block, and the L-shaped clamping plate is connected with the guide chute through a sliding mode. The double-shaft motor drives the L-shaped clamping plate to simultaneously feed inwards through the matching of the threaded column, the feeding block and the driven sliding block, so that the degree of freedom of the plate in the x and y axes is limited through the L-shaped clamping plate.
The threaded columns are symmetrically arranged on the inner walls of the left end and the right end of the base through bearings.
The upper end of the feeding block is provided with sliding grooves in a front-back symmetrical way, and the driven sliding block is connected with the sliding grooves in a sliding way.
The fixing mechanism comprises a pressing rod, a sliding sleeve and an extrusion spring, wherein the pressing rod is arranged at the lower end of the lifting platform along the central symmetry, the sliding sleeve is connected with the pressing rod in a sliding mode, and the extrusion spring is arranged between the lower end of the pressing rod and the inner wall of the lower end of the sliding sleeve. The compression spring of compression extrudees the slip sleeve downwards to through rubber cushion extrusion panel, the rubber material extrude the cushion can increase with the panel between the friction, thereby rock when preventing the cutting, also can prevent panel atress excessively and warp simultaneously.
The lower end of the sliding sleeve is provided with a rubber cushion.
(III) beneficial effects
1. According to the invention, through continuous extrusion of the two ends of the real-time notch in the cutting process, the plate is prevented from being cracked due to the internal stress of the plate, so that the problem that the product is unqualified and light cannot be reflected effectively due to the cracking of the film-covered surface of the wedge-shaped light guide plate is solved; according to the invention, the plates are fixed in an omnibearing multi-point fixing mode, and one plate is divided into two wedge-shaped plates, so that the qualification rate of plate molding is greatly improved.
2. When the lifting platform is driven to feed downwards by the driving cylinder, the sliding frame is fed upwards relative to the feeding knife rest by the extruding and pressing spring when the extruding belt contacts the upper end face of the plate, and the anti-cracking unit rolls the two ends of the plate notch through the extruding belt, so that the plate is prevented from being split due to the internal stress of the plate when the cutting knife cuts the plate.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a flow chart of a process for manufacturing a light guide plate according to the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a cross-sectional view of the section A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of a part of the structure of the cutting anti-cracking device of the present invention;
FIG. 5 is a schematic view of the cutting mechanism of the present invention;
FIG. 6 is a schematic view of a part of the structure of the anti-cracking unit of the present invention;
fig. 7 is a schematic view of a wedge-shaped light guide plate structure according to the present invention.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
As shown in fig. 1 to 7, a manufacturing process of a high transmittance light guide plate uses a plate cutting device, the plate cutting device includes a base 1, a positioning and fixing device 2 and a cutting and cracking prevention device 3, and the manufacturing process of the light guide plate using the plate cutting device further includes the following steps:
s1, primary cutting of a plate: dividing the rough plate blank into rectangular plates with fixed length and fixed width;
s2, forming a plate: positioning and fixing the rectangular plate with fixed length and top width through a positioning and fixing device 2, and cutting the plate into two wedge-shaped plates through a cutting anti-cracking device 3;
s3, film forming: attaching an optical film on the inclined surface of the wedge-shaped plate, thereby manufacturing a light guide plate;
s4, blanking and warehousing: blanking and collecting the formed light guide plate, and warehousing and storing the collected light guide plate;
the inner wall of the lower end of the base 1 is provided with a positioning and fixing device 2, and the upper end of the base 1 is provided with a cutting and cracking preventing device 3; the positioning and fixing device 2 clamps the plates, and the cutting anti-cracking device 3 divides one plate into two wedge-shaped plates with identical specifications.
The positioning and fixing device 2 comprises a guide chute 21, a double-shaft motor 22, threaded columns 23, a feeding block 24, a driven sliding block 25 and an L-shaped clamping plate 26, wherein the guide chute 21 is symmetrically arranged at the upper end of the base 1 along the center, the double-shaft motor 22 is arranged on the inner wall of the lower end of the base 1 through a motor base, the threaded columns 23 are arranged at the output ends of the left end and the right end of the double-shaft motor 22, the feeding block 24 is symmetrically arranged on the inner wall of the lower end of the base 1 in a sliding mode, the feeding block 24 is connected with the threaded columns 23 in a threaded mode, the driven sliding block 25 is symmetrically arranged at the upper end of the feeding block 24 in a sliding mode, the L-shaped clamping plate 26 is arranged at the upper end of the driven sliding block 25, and the L-shaped clamping plate 26 is connected with the guide chute 21 in a sliding mode. The threaded columns 23 are symmetrically arranged on the inner walls of the left end and the right end of the base 1 through bearings. The upper end of the feeding block 24 is provided with sliding grooves symmetrically in front and back, and the driven sliding block 25 is connected with the sliding grooves in a sliding mode. The double-shaft motor 22 drives the L-shaped clamping plate 26 to feed inwards simultaneously through the matching of the threaded column 23, the feeding block 24 and the driven sliding block 25, so that the degree of freedom of the plate in the x and y axes is limited through the L-shaped clamping plate 26.
The cutting anti-cracking device 3 comprises a supporting frame 31, a driving cylinder 32, a lifting platform 33, a fixing mechanism 34, a driving motor 35, a rotary screw rod 36, a guide sliding block 37, a feeding cutter rest 38 and a cutting mechanism 39, wherein the supporting frame 31 is arranged at the upper end of the base 1, the driving cylinder 32 is arranged on the inner wall of the upper end of the supporting frame 31, the lower end of the driving cylinder 32 is provided with the lifting platform 33, the lower end of the lifting platform 33 is provided with the fixing mechanism 34 along the central symmetry, the lower end of the lifting platform 33 is provided with an inclined chute, the driving motor 35 is arranged on the inner wall of the left end of the inclined chute through a motor seat, the right end of the output end of the driving motor 35 is provided with the rotary screw rod 36, the guide sliding block 37 is connected with the rotary screw rod 36 in a sliding mode, the lower end of the guide sliding block 37 is provided with the feeding cutter rest 38, and the inner walls of the left end and the right end of the feeding cutter rest 38 are provided with the cutting mechanism 39; the driving cylinder 32 pushes the lifting platform 33 to feed downwards, the fixing mechanism 34 fixes the plate on the z axis, the cutting mechanism 39 reaches a specified position, the driving motor 35 drives the feeding tool rest 38 to feed obliquely right and then through the action of the rotating screw rod 36 and the guide sliding block 37, and the plate is cut through the cutting mechanism 39, so that the plate is cut into the wedge-shaped plates with the same Cheng Kuaigui grids.
The fixing mechanism 34 includes a pressing rod 341, a sliding sleeve 342 and an extrusion spring 343, the pressing rod 341 is symmetrically disposed at the lower end of the lifting platform 33 along the center, the sliding sleeve 342 is connected with the pressing rod 341 in a sliding manner, and the extrusion spring 343 is disposed between the lower end of the pressing rod 341 and the inner wall of the lower end of the sliding sleeve 342. The lower end of the sliding sleeve 342 is provided with a rubber cushion. The compressed compression spring 343 downwardly compresses the sliding sleeve 342 to compress the plate material through the rubber cushion, the rubber-made compression cushion can increase friction with the plate material, thereby preventing shaking during cutting, and simultaneously preventing the plate material from being excessively stressed to deform.
The cutting mechanism 39 comprises a sliding frame 391, a pressing spring 392, a separation plate 393, a rotating wheel 394, an anti-cracking unit 395, an extrusion belt 396 and a cutting knife 397, wherein the sliding frame 391 is arranged between the inner walls of the front end and the rear end of the feeding knife rest 38 in a sliding manner, the pressing spring 392 is arranged between the upper end of the sliding frame 391 and the inner wall of the upper end of the feeding knife rest 38, the separation plate 393 is arranged on the inner wall of the upper end of the sliding frame 391, a rotating shaft is symmetrically arranged between the inner walls of the front end and the rear end of the sliding frame 391 through bearings, the rotating wheel 394 is symmetrically arranged on the outer wall of the rotating shaft in a front-rear direction, the extrusion belt 396 is sleeved on the outer wall of the rotating wheel 394, the anti-cracking unit 395 is symmetrically arranged at the front end and the rear end of the separation plate 393, and the cutting knife 397 is arranged at the lower end of the feeding knife rest 38; when the lifting platform 33 is fed downward, when the pressing belt 396 contacts the upper end surface of the plate, the sliding frame 391 is fed upward relative to the feeding blade holder 38 by pressing the pressing spring 392, and the anti-cracking unit 395 rolls both ends of the cut of the plate via the pressing belt 396, thereby preventing the cutting blade 397 from cracking due to the internal stress of the plate itself when the plate is cut.
The anti-cracking unit 395 includes an anti-cracking frame 3951, a lower pressing frame 3952, a roller frame 3953, a rotating roller 3954 and an auxiliary spring 3955, wherein the anti-cracking frame 3951 is symmetrically arranged at the front end and the rear end of the partition plate 393, the roller frame 3953 is uniformly arranged at the lower end of the lower pressing frame 3952 from left to right, the roller frame 3953 is connected with the inner wall of the lower end of the anti-cracking frame 3951 in a sliding mode, the rotating roller 3954 is connected with the roller frame 3953 in a bearing mode, and the auxiliary spring 3955 is arranged at the upper end of the lower pressing frame 3952. The auxiliary spring 3955 applies pressure to the rotating roller 3954, thereby rolling the regions before and after cutting of the cutter 397 by the rotating roller 3954 via the pressing belt 396, and counteracting the internal stress of the sheet material.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a high transmissivity light guide plate manufacturing process, its has used panel cutting equipment, and this panel cutting equipment includes base (1), location fixing device (2) and cutting anticracking device (3), its characterized in that: the manufacturing process of the light guide plate by adopting the plate slitting equipment further comprises the following steps:
s1, primary cutting of a plate: dividing the rough plate blank into rectangular plates with fixed length and fixed width;
s2, forming a plate: positioning and fixing the rectangular plate with fixed length and fixed width through a positioning and fixing device (2), and cutting the plate into two wedge-shaped plates through a cutting anti-cracking device (3);
s3, film forming: attaching an optical film on the inclined surface of the wedge-shaped plate, thereby manufacturing a light guide plate;
s4, blanking and warehousing: blanking and collecting the formed light guide plate, and warehousing and storing the collected light guide plate;
the inner wall of the lower end of the base (1) is provided with a positioning and fixing device (2), and the upper end of the base (1) is provided with a cutting and cracking preventing device (3);
the cutting anti-cracking device (3) comprises a supporting frame (31), a driving cylinder (32), a lifting platform (33), a fixing mechanism (34), a driving motor (35), a rotary screw (36), a guide sliding block (37), a feeding knife rest (38) and a cutting mechanism (39), wherein the supporting frame (31) is arranged at the upper end of the base (1), the driving cylinder (32) is arranged on the inner wall of the upper end of the supporting frame (31), the lifting platform (33) is arranged at the lower end of the driving cylinder (32), the fixing mechanism (34) is symmetrically arranged at the lower end of the lifting platform (33) along the center, an inclined sliding groove is formed in the lower end of the lifting platform (33), the driving motor (35) is arranged on the inner wall of the left end of the inclined sliding groove through a motor seat, the right end of the output end of the driving motor (35) is provided with the rotary screw (36), the guide sliding block (37) is connected with the rotary screw (36) in a sliding mode, the feeding knife rest (38) is arranged at the lower end of the guide sliding block (37), and the cutting mechanism (39) is arranged on the inner walls of the left end and the right end of the feeding knife rest (38);
the cutting mechanism (39) comprises a sliding frame (391), a pressing spring (392), a partition plate (393), rotating wheels (394), an anti-cracking unit (395), an extrusion belt (396) and a cutting knife (397), wherein the sliding frame (391) is arranged between the inner walls of the front end and the rear end of the feeding knife rest (38) in a sliding mode, the pressing spring (392) is arranged between the upper end of the sliding frame (391) and the inner wall of the upper end of the feeding knife rest (38), the partition plate (393) is arranged on the inner wall of the upper end of the sliding frame (391), rotating shafts are symmetrically arranged between the inner walls of the front end and the rear end of the sliding frame (391) through bearings, the rotating wheels (394) are symmetrically arranged on the outer wall of the rotating shafts in a front-rear direction, the extrusion belt (396) is sleeved on the outer wall of the rotating wheels (394), the anti-cracking unit (395) is symmetrically arranged at the front end and the rear end of the partition plate (393), and the cutting knife (397) is arranged at the lower end of the feeding knife rest (38);
the anti-cracking unit (395) comprises an anti-cracking frame (3951), a lower pressing frame (3952), a rotating roller frame (3953), rotating rollers (3954) and auxiliary springs (3955), wherein the anti-cracking frame (3951) is symmetrically arranged at the front end and the rear end of the partition plate (393), the rotating roller frame (3953) is uniformly arranged at the lower end of the lower pressing frame (3952) from left to right, the rotating roller frame (3953) is connected with the inner wall of the lower end of the anti-cracking frame (3951) in a sliding mode, the rotating rollers (3954) are connected with the rotating roller frame (3953) in a bearing mode, and the auxiliary springs (3955) are arranged at the upper end of the lower pressing frame (3952);
the positioning and fixing device (2) comprises a guide chute (21), a double-shaft motor (22), threaded columns (23), a feeding block (24), a driven sliding block (25) and an L-shaped clamping plate (26), wherein the guide chute (21) is formed in the upper end of the base (1) along central symmetry, the double-shaft motor (22) is arranged on the inner wall of the lower end of the base (1) through a motor base, the threaded columns (23) are arranged at the output ends of the left end and the right end of the double-shaft motor (22), the feeding block (24) is symmetrically arranged on the inner wall of the lower end of the base (1) in a sliding mode, the feeding block (24) is connected with the threaded columns (23) through threaded connection, the driven sliding block (25) is symmetrically arranged at the upper end of the feeding block (24) in a sliding mode, the L-shaped clamping plate (26) is arranged at the upper end of the driven sliding block (25), and the L-shaped clamping plate (26) is connected with the guide chute (21) through a sliding mode.
2. The manufacturing process of the high-transmittance light guide plate according to claim 1, wherein: the threaded columns (23) are symmetrically arranged on the inner walls of the left end and the right end of the base (1) through bearings.
3. The manufacturing process of the high-transmittance light guide plate according to claim 1, wherein: the upper end of the feeding block (24) is provided with sliding grooves in a front-back symmetrical mode, and the driven sliding block (25) is connected with the sliding grooves in a sliding mode.
4. The manufacturing process of the high-transmittance light guide plate according to claim 1, wherein: the fixing mechanism (34) comprises a lower pressing rod (341), a sliding sleeve (342) and an extrusion spring (343), wherein the lower pressing rod (341) is arranged at the lower end of the lifting platform (33) along central symmetry, the sliding sleeve (342) is connected with the lower pressing rod (341) in a sliding mode, and the extrusion spring (343) is arranged between the lower end of the lower pressing rod (341) and the inner wall of the lower end of the sliding sleeve (342).
5. The process for manufacturing a high-transmittance light guide plate according to claim 4, wherein: the lower end of the sliding sleeve (342) is provided with a rubber cushion.
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| CN202110425334.3A CN113232077B (en) | 2021-04-20 | 2021-04-20 | Manufacturing and processing technology of high-transmittance light guide plate |
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| CN202110425334.3A CN113232077B (en) | 2021-04-20 | 2021-04-20 | Manufacturing and processing technology of high-transmittance light guide plate |
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| CN113232077A CN113232077A (en) | 2021-08-10 |
| CN113232077B true CN113232077B (en) | 2023-05-12 |
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| CN114227544B (en) * | 2021-12-24 | 2023-02-21 | 连云港市永旺玻璃制品有限公司 | Anti-cracking cutting device and method for hollow glass processing production |
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| CN111906457A (en) * | 2020-08-12 | 2020-11-10 | 武汉御拓激光设备有限公司 | Multi-station circular operation laser cutting equipment |
| CN212400345U (en) * | 2020-01-20 | 2021-01-26 | 苏州蓝茂电子科技有限公司 | Film laminating device of light guide plate |
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| US7001058B2 (en) * | 2001-05-16 | 2006-02-21 | Ben-Zion Inditsky | Ultra-thin backlight |
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