Bonding device for COB lamp panel
By designing the bonding device for COB lamp plates and using the technology of vacuum evacuation and adjustment components, the problem of inconsistent thickness of the lamp plate and the bottom shell in the assembly of COB modules is solved, achieving a stable and precise assembly effect.
Patent Information
- Application Number
- CN202421035530.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-05-14
AI Technical Summary
During the assembly process of COB module, due to warping and deformation of the lamp plate and bottom shell, the overall thickness of the lamp plate and bottom shell cannot be guaranteed, resulting in unstable assembly.
An adhesive device for COB lamp panel is designed, including a fixture base, limiting column, upper module, bottom shell and adjustment components. By vacuuming and adsorbing the COB lamp plate, it ensures its flatness, and adjusts the gap by adjusting the components to ensure that the overall thickness of the lamp plate and the bottom shell is consistent.
The stable assembly of the COB module is achieved, ensuring the overall thickness of the lamp plate and the bottom shell is consistent, improving the assembly accuracy and stability, and able to match different design requirements.
Smart Images

Figure CN222849122U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of COB modules, in particular to a bonding device for a COB lamp panel. Background Art
[0002] COB module is the abbreviation of Chip on Board, which means chip packaging technology. In COB technology, the chip is directly packaged on the printed circuit board (PCB) without the need for traditional chip packaging. This technology can make the overall size smaller, the performance more stable, and the heat dissipation effect better. COB modules are commonly used in LED lamps, electronic equipment and other fields, with the advantages of energy saving, high brightness, and long life.
[0003] When assembling the COB module, it is conventional to use a locking screw method. Since the lamp board and the bottom shell have certain warping deformation during production, the overall thickness of the lamp board and the bottom shell cannot be guaranteed. Therefore, a bonding device for a COB lamp board is proposed. Utility Model Content
[0004] The purpose of the utility model is to provide a bonding device for a COB lamp board to solve the problem raised in the above background technology that when assembling the COB module, it is conventional to use locking screws. Since the lamp board and the bottom shell have certain warping deformation during production, the overall thickness of the lamp board and the bottom shell cannot be guaranteed.
[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a bonding device for a COB light board, comprising a jig base, the top of the jig base being fixedly connected with a first limit column and a second limit column respectively, a COB light board body is arranged on one side of the top of the jig base that abuts against the first limit column and the second limit column, an upper mold group is arranged above the jig base, a bottom shell is arranged at the bottom of the upper mold group, a plurality of connecting holes are opened inside one end of the jig base, a plurality of adsorption holes are opened on the top of the jig base, a support plate is arranged on the top of the support plate, a groove body is arranged on the top of the support plate, and an adjustment component is arranged inside the groove body.
[0006] Preferably, the above-mentioned adjustment assembly includes a fixed plate, a push column and an adjusting bolt, the fixed plate is arranged at the top of the support plate, a movable groove is opened on the top of the fixed plate, the push column is slidably connected to the inside of the movable groove, the adjusting bolt passes through one side of the push column, and a connecting plate is arranged on the top of the fixed plate, and two top columns are fixedly connected to the bottom of the connecting plate.
[0007] Preferably, one end of the adjusting bolt is rotatably connected to one side of the movable groove, and the adjusting bolt is connected to the inside of the push column through a thread.
[0008] Preferably, both ends of the bottom of the fixing plate are provided with limiting holes respectively, and the bottom of the limiting holes is provided with a guide hole.
[0009] Preferably, both ends of the bottom of the connecting plate are fixedly connected with guide columns, and the bottom end of the guide column is fixedly connected with a limiting plate.
[0010] Preferably, the limiting hole and the limiting plate match each other, and the guide column and the guide hole match each other.
[0011] Preferably, one end of the adjusting bolt passes through one side of the supporting plate and is inserted into the interior of the slot body.
[0012] Preferably, the push column is provided with a first inclined surface, and the top column is provided with a second inclined surface, and the second inclined surface abuts against one side of the first inclined surface.
[0013] Compared with the prior art, the utility model adopts the above technical solution and has the following technical effects:
[0014] 1. The utility model can adsorb the COB light board body on the top of the adsorption hole by vacuuming, so as to ensure the fixed flatness of the COB light board body, and drive the bottom shell to move to the top of the COB light board body for pressing. The bottom ends of the upper module are in contact with the top of the connecting plate on the support plate. There will be a gap between the upper module and the COB light board body. When the glue in the gap is cured, the overall thickness of the COB module is guaranteed to be consistent.
[0015] 2. The utility model drives the push column to move inside the moving groove by rotating the adjusting bolt through the tool. The push column pushes the top column to move upward, and the connecting plate drives the guide column to move inside the guide hole, so as to complete the height adjustment of the connecting plate on the support plate. When the bottom shell and the COB light board body are pressed together, the upper module contacts the top of the connecting plate, so as to complete the adjustment of the gap between the bottom shell and the COB light board body to match the different design requirements of the COB module. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the fixture base structure of the utility model;
[0019] Figure 3 It is a left-side structural schematic diagram of the utility model;
[0020] Figure 4 This is a schematic diagram of the fixed plate structure of the utility model;
[0021] Figure 5 It is a schematic diagram of the push column structure of the utility model.
[0022] Explanation of the accompanying drawings: 1. fixture base; 2. first limiting column; 3. second limiting column; 4. COB lamp board body; 5. upper mold assembly; 6. bottom shell; 7. connecting hole; 8. adsorption hole; 9. support plate; 10. fixing plate; 11. movable groove; 12. push column; 13. adjusting bolt; 14. connecting plate; 15. top column; 16. limiting hole; 17. guide hole; 18. guide column; 19. limiting plate; 20. groove body; 21. first inclined surface; 22. second inclined surface. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.
[0025] Example
[0026] In the prior art, when assembling the COB module, the conventional method is to use locking screws. Since the lamp board and the bottom shell have certain warping deformation during production, the overall thickness of the lamp board and the bottom shell cannot be guaranteed.
[0027] See also Figure 1-5The utility model provides a technical solution: a bonding device for a COB light board, comprising a fixture base 1, the top of the fixture base 1 is respectively fixedly connected with a first limiting column 2 and a second limiting column 3, a COB light board body 4 is arranged on one side of the top of the fixture base 1 that abuts against the first limiting column 2 and the second limiting column 3, the COB light board body 4 is placed on the top of the fixture base 1, and the two sides of the COB light board body 4 are respectively abutted against one side of the first limiting column 2 and the second limiting column 3, so that the placement position of the COB light board body 4 can be positioned;
[0028] An upper mold group 5 is arranged above the jig base 1, a bottom shell 6 is arranged at the bottom of the upper mold group 5, a plurality of connecting holes 7 are opened inside one end of the jig base 1, a plurality of adsorption holes 8 are opened at the top of the jig base 1, a support plate 9 is arranged on the top of the support plate 9, a groove body 20 is arranged, an adjustment component is arranged inside the groove body 20, one end of the adjustment bolt 13 passes through one side of the support plate 9 and is inserted into the groove body 20; the COB lamp board body 4 can be adsorbed on the top of the adsorption hole 8 by vacuuming to ensure the fixed flatness of the COB lamp board body 4, the upper mold group 5 drives the bottom shell 6 to move to the top of the COB lamp board body 4 for pressing, the two ends of the bottom of the upper mold group 5 are in contact with the top of the connecting plate 14 on the support plate 9, and there will be a gap between the upper mold group 5 and the COB lamp board body 4. When the glue in the gap is cured, the overall thickness of the COB module is guaranteed to be consistent.
[0029] By setting an adjustment component, the gap between the bottom shell 6 and the COB lamp board body 4 can be adjusted to match the different design requirements of the COB module; the adjustment component includes a fixed plate 10, a push column 12 and an adjusting bolt 13, the fixed plate 10 is arranged on the top of the support plate 9, a movable groove 11 is opened on the top of the fixed plate 10, the push column 12 is slidably connected to the inside of the movable groove 11, the adjusting bolt 13 passes through one side of the push column 12, a connecting plate 14 is arranged on the top of the fixed plate 10, and two top columns 15 are fixedly connected to the bottom of the connecting plate 14, one end of the adjusting bolt 13 is rotatably connected to one side of the movable groove 11, and the adjusting bolt 1 The push column 12 is connected to the inside of the push column 12 by a thread, and a first inclined surface 21 is provided on the push column 12, and a second inclined surface 22 is provided on the top column 15, and the second inclined surface 22 abuts against one side of the first inclined surface 21; the adjusting bolt 13 is rotated by a tool, and the adjusting bolt 13 drives the push column 12 to move inside the moving groove 11, so that one side of the push column 12 abuts against the second inclined surface 22 of the top column 15, and the push column 12 pushes the top column 15 to move upward, and the connecting plate 14 drives the guide column 18 to move inside the guide hole 17, so that the top of the connecting plate 14 moves out of the groove body 20, and the height adjustment of the connecting plate 14 on the supporting plate 9 is completed.
[0030] In order to ensure the normal adjustment of the connecting plate 14; limiting holes 16 are respectively opened at the two ends of the bottom of the fixing plate 10, and a guide hole 17 is opened at the bottom of the limiting hole 16. Guide columns 18 are fixedly connected at the two ends of the bottom of the connecting plate 14, and the bottom end of the guide column 18 is fixedly connected to the limiting plate 19. The limiting hole 16 and the limiting plate 19 match each other, and the guide column 18 and the guide hole 17 match each other. The guide column 18 moves inside the guide hole 17, and the limiting plate 19 moves inside the limiting hole 16. The limiting plate 19 abuts against the bottom of the limiting hole 16, and can limit the moving height of the guide column 18.
[0031] Working principle or structural principle, when bonding the COB light board body 4, the COB light board body 4 is placed on the top of the fixture base 1, and the two sides of the COB light board body 4 are respectively against the one side of the first limit column 2 and the second limit column 3, so that the placement position of the COB light board body 4 can be positioned, and the pipeline is connected through the connecting hole 7, and then the COB light board body 4 can be adsorbed on the top of the adsorption hole 8 by vacuuming, so as to ensure the flatness of the COB light board body 4 and the accuracy of the bonding of the COB light board body 4. By applying glue on the bottom shell 6 at the bottom of the upper module 5, and then the upper module 5 drives the bottom shell 6 to move to the top of the COB light board body 4 for pressing, the two ends of the bottom of the upper module 5 are against the top of the support plate 9, and there will be a gap between the upper module 5 and the COB light board body 4. When the glue in the gap is cured, the overall thickness of the COB module is guaranteed to be consistent;
[0032] When the thickness of the adhesive needs to be adjusted, the adjusting bolt 13 is rotated by a tool, and the adjusting bolt 13 drives the push column 12 to move inside the movable groove 11, so that one side of the push column 12 abuts against the second inclined surface 22 of the top column 15, and the push column 12 pushes the top column 15 to move upward, and the connecting plate 14 drives the guide column 18 to move inside the guide hole 17, so that the top of the connecting plate 14 moves out of the groove body 20, and the height adjustment of the connecting plate 14 on the support plate 9 is completed. When the bottom shell 6 and the COB lamp board body 4 are pressed together, the upper module 5 abuts against the top of the connecting plate 14, and the gap between the bottom shell 6 and the COB lamp board body 4 can be adjusted to match the different design requirements of the COB module.
[0033] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.
Claims
1. A bonding device for a COB light board, comprising a fixture base (1), characterized in that: The top of the jig base (1) is respectively fixedly connected with a first limiting column (2) and a second limiting column (3); a COB light board body (4) is arranged on one side of the top of the jig base (1) that contacts the first limiting column (2) and the second limiting column (3); an upper mold group (5) is arranged above the jig base (1); a bottom shell (6) is arranged at the bottom of the upper mold group (5); a plurality of connection holes (7) are opened inside one end of the jig base (1); a plurality of adsorption holes (8) are opened at the top of the jig base (1); a support plate (9) is arranged at the top of the support plate (9); a groove body (20) is arranged inside the groove body (20); an adjustment component is arranged inside.
2. A bonding device for a COB light board according to claim 1, characterized in that: The adjustment assembly comprises a fixed plate (10), a push column (12) and an adjustment bolt (13); the fixed plate (10) is arranged on the top of the support plate (9); a movable groove (11) is opened on the top of the fixed plate (10); the push column (12) is slidably connected to the inside of the movable groove (11); the adjustment bolt (13) passes through one side of the push column (12); a connecting plate (14) is arranged on the top of the fixed plate (10); and two top columns (15) are fixedly connected to the bottom of the connecting plate (14).
3. A COB light board bonding device according to claim 2, characterized in that: One end of the adjusting bolt (13) is rotatably connected to one side of the moving groove (11), and the adjusting bolt (13) is connected to the inside of the push column (12) through a thread.
4. The bonding device for a COB light board according to claim 2, characterized in that: The fixing plate (10) has limit holes (16) at both ends of its bottom, and a guide hole (17) is provided at the bottom of each limit hole (16).
5. The bonding device for a COB light board according to claim 4, characterized in that: Both ends of the bottom of the connecting plate (14) are fixedly connected to guide columns (18), and the bottom end of the guide column (18) is fixedly connected to a limiting plate (19).
6. A bonding device for a COB light board according to claim 5, characterized in that: The limiting hole (16) matches the limiting plate (19), and the guide column (18) matches the guide hole (17).
7. The bonding device for a COB light board according to claim 2, characterized in that: One end of the adjusting bolt (13) passes through one side of the supporting plate (9) and is inserted into the interior of the slot body (20).
8. The bonding device for a COB light board according to claim 2, characterized in that: The push column (12) is provided with a first inclined surface (21), and the top column (15) is provided with a second inclined surface (22), wherein the second inclined surface (22) abuts against one side of the first inclined surface (21).