CN220362289U - Positioning fixture for processing light guide plate - Google Patents
Positioning fixture for processing light guide plate Download PDFInfo
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- CN220362289U CN220362289U CN202223420915.7U CN202223420915U CN220362289U CN 220362289 U CN220362289 U CN 220362289U CN 202223420915 U CN202223420915 U CN 202223420915U CN 220362289 U CN220362289 U CN 220362289U
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- Prior art keywords
- light guide
- fixedly connected
- iron
- plate
- guide plate
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 108
- 229910052742 iron Inorganic materials 0.000 claims abstract description 54
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model relates to the technical field of television light guide plate processing and discloses a positioning fixture for light guide plate processing, which comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a connecting column, the upper surface of the connecting column is fixedly connected with a supporting plate, the upper surface of the bottom plate and the bottom of the supporting plate are fixedly connected with square cylinders, sliding holes are formed in the surfaces of the square cylinders, iron columns are attached to the inner walls of the sliding holes, the bottoms of the iron columns are fixedly connected with first connecting blocks, and springs are fixedly connected to the surfaces of the square cylinders and the side surfaces of the first connecting blocks. According to the utility model, through the matching of the iron column, the cylinder, the magnetic ring, the rubber ring, the second electromagnet, the iron plate and the round hole, the position of the cylinder cannot be changed, and further, when the positioning clamp is used for fixing the light guide plate, the light guide plate is prevented from micro-moving due to the vibration of the positioning clamp, so that the machining precision of the light guide plate is reduced.
Description
Technical Field
The utility model relates to the technical field of television light guide plate processing, in particular to a positioning clamp for light guide plate processing.
Background
The light guide plate absorbs the light emitted from the lamp by utilizing the optical acrylic plate and stays 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 to each angle, then the reflection condition is destroyed and emitted from the front surface of the light guide plate, the light guide plate can uniformly emit light through various light guide points with different densities and sizes, one of the indispensable components in the liquid crystal screen of the television is the light guide plate, and the processing treatment of the light guide plate is also involved in the processing production process of the television.
At present, when the light guide plate is processed, the light guide plate is mostly positioned and fixed through a positioning fixture, the light guide plate is mostly fixed through a mode of attracting a clamping piece by an electromagnet, for example, a positioning fixture for processing the light guide plate of a television disclosed in Chinese patent publication No. CN112623678A, in the positioning fixture, an elastic coating is contacted with the light guide plate through the attraction force of a first electromagnet to the first magnet block, and the light guide plate is fixed through the elastic coating and electrorheological fluid, but after clamping, the first magnet block is not locked, and the first magnet block is connected with a reset spring together, so that the light guide plate is often subjected to micro motion due to vibration in the processing process, thereby reducing the processing precision of the light guide plate.
Disclosure of Invention
The utility model aims to solve the defects existing in the prior art, such as: in a conventional positioning jig for processing a light guide plate of a television, for example, as disclosed in chinese patent publication No. CN112623678A, a positioning jig for processing a light guide plate is usually fixed by means of an electromagnet, in which an elastic coating is brought into contact with a light guide plate by suction force of a first electromagnet to a first magnet block, and the light guide plate is fixed by means of the elastic coating and an electrorheological fluid.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a positioning fixture is used in light guide plate processing, includes the bottom plate, the upper surface fixedly connected with spliced pole of bottom plate, the upper surface fixedly connected with backup pad of spliced pole, the equal fixedly connected with square section of thick bamboo in the bottom of upper surface of bottom plate and backup pad, the smooth hole has been seted up on the surface of square section of thick bamboo, the inner wall laminating of smooth hole is provided with the iron prop, the bottom fixedly connected with first linkage piece of iron prop, the equal fixedly connected with spring of the side of square section of thick bamboo surface and first linkage piece, the bottom fixedly connected with second connecting block of backup pad, the second connecting block is located the inside of square section of thick bamboo, the surface fixedly connected with first electro-magnet of second connecting block, the bar hole has been seted up to the inside of backup pad, the inner wall laminating of bar hole is provided with the cylinder, the bottom of cylinder and the upper surface fixedly connected with of iron prop, the surface of upper surface and the cylinder all have the rubber circle, the upper surface fixedly connected with second electro-magnet of iron prop, the surface fixedly connected with magnet of second electro-magnet and the round hole of iron prop, the round hole is seted up on the inside surface of iron plate.
Preferably, the surface of the cylinder is sleeved with a rubber cylinder, the inner wall of the rubber cylinder is adhered with a hollow plate, the inner wall of the hollow plate is fixedly connected with a hollow threaded column, the upper surface of the cylinder is provided with a threaded groove, and the inner wall of the threaded groove is in contact with the surface of the hollow threaded column.
Preferably, the axis of the hollow threaded column is on the same vertical line with the axis of the cylinder.
Preferably, the attraction force of the first electromagnet to the iron column is larger than the elastic force of the spring.
Preferably, the number of the iron columns is eight, and the eight iron columns are symmetrically distributed by taking the second connecting block as the center.
Preferably, the centers of the bottom plate, the support plate and the second connection block are on the same vertical line.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the iron column, the cylinder, the magnetic ring, the rubber ring, the second electromagnet, the iron plate and the round hole are arranged, wherein when the cylinder clamps the light guide plate on the support plate, the second electromagnet is opened to enable the iron plate to have magnetism, then the rubber ring is tightly contacted with the support plate through repulsive force between the magnetic iron plate and the magnetic ring, at the moment, the cylinder cannot move through friction force between the rubber ring and the support plate, and further when the positioning clamp is used for fixing the light guide plate, the position of the cylinder cannot be changed through matching of the iron column, the cylinder, the magnetic ring, the rubber ring, the second electromagnet, the iron plate and the round hole, and further the positioning clamp is prevented from vibrating to cause micro motion of the light guide plate when the positioning clamp is used for fixing the light guide plate, so that the processing precision of the light guide plate is reduced.
(2) According to the utility model, the rubber cylinder, the hollow plate, the hollow threaded column and the threaded groove are arranged, wherein when the hollow threaded column is screwed in the threaded groove, the rubber cylinder is fixed on the cylinder through the cooperation of the hollow threaded column and the threaded groove, at the moment, the surface of the light guide plate cannot be damaged by the cylinder through clamping of the rubber cylinder, and meanwhile, the rubber cylinder and the cylinder are convenient to assemble and disassemble through the cooperation of the hollow plate, the hollow threaded column and the threaded groove, so that a user can conveniently replace the worn rubber cylinder.
Drawings
FIG. 1 is a schematic illustration of the structure of the present utility model;
FIG. 2 is a front view of the structure of the present utility model;
FIG. 3 is a top view of the support plate of the present utility model;
FIG. 4 is a front view of a square barrel of the present utility model;
fig. 5 is a top view of an iron plate of the present utility model;
fig. 6 is a top view of the cylinder of the present utility model.
In the figure: 1. a bottom plate; 2. a connecting column; 3. a support plate; 4. a square cylinder; 5. a slide hole; 6. an iron column; 7. a first connection block; 8. a spring; 9. a second connection block; 10. a first electromagnet; 11. a bar-shaped hole; 12. a cylinder; 13. a cylinder; 14. a magnetic ring; 15. a rubber ring; 16. a second electromagnet; 17. an iron plate; 18. a round hole; 19. a rubber cylinder; 20. a hollow slab; 21. a hollow threaded column; 22. a thread groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Embodiment one:
referring to fig. 1-6, a positioning fixture for processing a light guide plate comprises a bottom plate 1, a connecting column 2 is fixedly connected to the upper surface of the bottom plate 1, a supporting plate 3 is fixedly connected to the upper surface of the connecting column 2, square cylinders 4 are fixedly connected to the upper surface of the bottom plate 1 and the bottom of the supporting plate 3, sliding holes 5 are formed in the surfaces of the square cylinders 4, iron columns 6 are attached to the inner walls of the sliding holes 5, the iron columns 6 can only move horizontally through the sliding holes 5, a first connecting block 7 is fixedly connected to the bottom of the iron columns 6, springs 8 are fixedly connected to the surfaces of the square cylinders 4 and the side surfaces of the first connecting block 7, a second connecting block 9 is fixedly connected to the bottom of the supporting plate 3, the second connecting block 9 is positioned in the square cylinders 4, the centers of the bottom plate 1, the supporting plate 3 and the second connecting block 9 are on the same vertical line, and a first electromagnet 10 is fixedly connected to the surfaces of the second connecting block 9, the attraction force of the first electromagnet 10 to the iron columns 6 is greater than the elastic force of the spring 8, the number of the iron columns 6 is eight, the eight iron columns 6 are symmetrically distributed by taking the second connecting block 9 as the center, when the first electromagnet 10 is opened, the distance between the iron columns 6 and the second connecting block 9 is reduced by the attraction force of the first electromagnet 10 to the iron columns 6, when the first electromagnet 10 is closed, the iron columns 6 return to the initial position by the spring 8, the inside of the supporting plate 3 is provided with a strip-shaped hole 11, the inner wall of the strip-shaped hole 11 is provided with a cylinder 12 in a fitting manner, the bottom of the cylinder 12 is fixedly connected with the upper surface of the iron columns 6, the surface of the cylinder 12 is provided with a cylinder 13 in a fitting manner, the surface of the cylinder 13 is fixedly connected with a magnetic ring 14, the upper surface of the magnetic ring 14 and the surface of the cylinder 13 are both adhered with a rubber ring 15, the upper surface of the iron columns 6 is fixedly connected with a second electromagnet 16, the upper surface of the second electromagnet 16 is fixedly connected with an iron plate 17, when the second electromagnet 16 is turned on, the iron plate 17 is made to have magnetism through the second electromagnet 16, and the magnetic force direction of the iron plate 17 is opposite to the magnetic force direction of the magnetic ring 14, a round hole 18 is formed in the iron plate 17, the inner wall of the round hole 18 is in contact with the surface of the cylinder 13, and the bottom of the magnetic ring 14 is in contact with the upper surface of the iron plate 17.
Embodiment two:
referring to fig. 1-6, a rubber cylinder 19 is sleeved on the surface of a cylinder 12, a hollow plate 20 is adhered to the inner wall of the rubber cylinder 19, a hollow thread column 21 is fixedly connected to the inner wall of the hollow plate 20, a thread groove 22 is formed in the upper surface of the cylinder 12, the inner wall of the thread groove 22 is in contact with the surface of the hollow thread column 21, the axis of the hollow thread column 21 is on the same vertical line with the axis of the cylinder 12, and the rubber cylinder 19, the hollow plate 20, the hollow thread column 21 and the thread groove 22 are arranged, wherein when the hollow thread column 21 is screwed in the thread groove 22, the rubber cylinder 19 is fixed on the cylinder 12 through the cooperation of the hollow thread column 21 and the thread groove 22, at the moment, the surface of the light guide plate cannot be clamped by the cylinder 12 through the rubber cylinder 19, meanwhile, the rubber cylinder 19 is convenient to detach and mount and detach due to the cooperation of the hollow plate 20, the hollow thread column 21 and the thread groove 22, and a worn rubber cylinder 19 can be replaced by a user conveniently.
In the present utility model, when a user uses the device, the bottom plate 1 is fixed on the processing equipment, then the light guide plate is placed on the supporting plate 3, the first electromagnet 10 is opened to enable the first electromagnet 10 to generate suction force to the iron column 6, at the moment, the rubber cylinder 19 is enabled to press the surface of the light guide plate through the suction force of the first electromagnet 10 to the iron column 6, the light guide plate is fixed on the supporting plate 3 through the rubber cylinder 19, then the iron plate 17 is enabled to have magnetism, then the rubber ring 15 is enabled to be tightly contacted with the supporting plate 3 through the repulsive force between the magnetic iron plate 17 and the magnetic ring 14, at the moment, the cylinder 12 cannot move through the friction force between the rubber ring 15 and the supporting plate 3, after the light guide plate is processed, the second electromagnet 16 is closed, the iron plate 17 is enabled to have no magnetism, and the rubber ring 15 is separated from the supporting plate 3, then the first electromagnet 10 is closed, the iron column 6 is enabled to return to the initial position through the spring 8, and then the light guide plate is taken out from the supporting plate 3.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (6)
1. The utility model provides a positioning fixture for light guide plate processing, includes bottom plate (1), its characterized in that, the last fixed surface of bottom plate (1) is connected with spliced pole (2), the last fixed surface of spliced pole (2) is connected with backup pad (3), the equal fixedly connected with square section of thick bamboo (4) in the bottom of the upper surface of bottom plate (1) and backup pad (3), slide hole (5) have been seted up on the surface of square section of thick bamboo (4), the inner wall laminating of slide hole (5) is provided with iron column (6), the bottom fixedly connected with first connecting block (7) of iron column (6), the equal fixedly connected with spring (8) of the side of the surface of square section of thick bamboo (4) and first connecting block (7), the bottom fixedly connected with second connecting block (9) of backup pad (3), second connecting block (9) are located the inside of square section of thick bamboo (4), the surface fixedly connected with first electro-magnet (10) of second connecting block (9), hole (11) have been seted up on the inside of backup pad (3), the inner wall laminating of slide hole (5) is provided with iron column (6), the bottom fixedly connected with spring (8) of bar (12), cylinder (13), the upper surface of magnetic ring (14) and the surface of drum (13) all bond and have rubber circle (15), the upper surface fixedly connected with second electro-magnet (16) of iron prop (6), the upper surface fixedly connected with iron plate (17) of second electro-magnet (16), round hole (18) have been seted up to the inside of iron plate (17), the inner wall of round hole (18) and the surface contact of drum (13), the bottom of magnetic ring (14) and the upper surface contact of iron plate (17).
2. The positioning fixture for processing the light guide plate according to claim 1, wherein the surface of the cylinder (12) is sleeved with a rubber cylinder (19), the inner wall of the rubber cylinder (19) is adhered with a hollow plate (20), the inner wall of the hollow plate (20) is fixedly connected with a hollow threaded column (21), the upper surface of the cylinder (12) is provided with a thread groove (22), and the inner wall of the thread groove (22) is in contact with the surface of the hollow threaded column (21).
3. A positioning jig for light guide plate processing according to claim 2, wherein the axis of the hollow threaded column (21) is on the same vertical line as the axis of the cylinder (12).
4. The positioning fixture for processing the light guide plate according to claim 1, wherein the attraction force of the first electromagnet (10) to the iron post (6) is larger than the elastic force of the spring (8).
5. The positioning fixture for processing the light guide plate according to claim 1, wherein the number of the iron columns (6) is eight, and the eight iron columns (6) are symmetrically distributed with the second connecting block (9) as a center.
6. The positioning jig for light guide plate processing according to claim 1, wherein the centers of the bottom plate (1), the support plate (3) and the second connection block (9) are on the same vertical line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223420915.7U CN220362289U (en) | 2022-12-16 | 2022-12-16 | Positioning fixture for processing light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223420915.7U CN220362289U (en) | 2022-12-16 | 2022-12-16 | Positioning fixture for processing light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220362289U true CN220362289U (en) | 2024-01-19 |
Family
ID=89520566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223420915.7U Active CN220362289U (en) | 2022-12-16 | 2022-12-16 | Positioning fixture for processing light guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220362289U (en) |
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2022
- 2022-12-16 CN CN202223420915.7U patent/CN220362289U/en active Active
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