Double-wheel synchronous fitting structure
By combining gear meshing and belt drive, the rotational speed consistency and adaptability of the dual-wheel synchronous bonding structure are achieved, solving the problems of asynchronous rotational speed and compatibility with curved materials in traditional dual-wheel bonding structures, and ensuring uniform bonding and stability of materials.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- RONGGUANGZHIXIN EQUIPMENT (HUIZHOU) CO LTD
- Filing Date
- 2025-09-01
- Publication Date
- 2026-06-09
AI Technical Summary
Traditional dual-wheel bonding structures are prone to asynchronous rotation speeds due to changes in tension, resulting in misalignment of materials. The wheel surfaces are mostly flat and rigid, making it difficult to adapt to curved materials of different thicknesses, which can easily lead to localized loose bonding or excessive compression.
A rigid transmission is formed by the direct meshing of the first and second gears, and a flexible auxiliary transmission is constructed by connecting the second belt and the second synchronous pulley. With the curved surface design of the fitting wheel surface, the dynamic consistency and adaptability of the two wheel speeds are achieved, ensuring uniform fitting of the entire contact surface.
It solves the problem of material misalignment and achieves dynamic consistency and adaptability of dual wheel speeds, avoiding local overpressure or poor adhesion, and adapting to materials of different thicknesses or shapes.
Smart Images
Figure CN224339447U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of bonding structures, and in particular to a dual-wheel synchronous bonding structure. Background Technology
[0002] In industries that require precise bonding, such as electronic device manufacturing and flexible material processing, as products evolve towards being thinner, lighter, and more functional, more stringent standards are being set for the synchronization performance, pressure uniformity, and equipment adaptability during the material bonding process. Therefore, there is an urgent need for an integrated bonding structure that enables precise synchronous operation of the two wheels, allows for controllable pressure, and can adapt to various material shapes.
[0003] Traditional dual-wheel bonding structures rely on a single belt or chain for dual-wheel transmission. This can easily lead to asynchronous speeds due to changes in tension, causing misalignment of materials. The wheel surfaces are mostly flat and rigid, making it difficult to adapt to curved materials of different thicknesses, which can easily result in localized loose bonding or excessive compression.
[0004] To address the aforementioned issues, a search revealed a patent with publication number CN113031322A that discloses a one-time forming and bonding process method and apparatus for hot melt film. The patent states that "the apparatus employs a dual-wheel structure, with bonding rollers mounted at the front end of a flip plate. The flip plate rotates to perform hot melt film bonding operations. Simultaneously, the flip plate and the rotating bonding rollers exert adsorption and pressure on the hot melt film, purging air and achieving defoaming during bonding. The heating rollers perform hot melt bonding as the rotating bonding rollers advance." The core bonding action relies on the flip plate's rotation drive. The mechanical structure of the flip plate determines a fixed bonding trajectory, making it difficult to flexibly adjust the force angle and path of the dual wheels according to material characteristics. For irregularly shaped or large-sized materials, insufficient local bonding pressure is prone to occur.
[0005] In light of this, in-depth research into the aforementioned issues led to the creation of this case. Utility Model Content
[0006] The purpose of this utility model is to provide a dual-wheel synchronous bonding structure to solve the problems mentioned in the background art. The dual-wheel bonding structure relies on a single belt or chain for dual-wheel transmission, which is prone to asynchronous speed due to changes in tension, resulting in misalignment of materials. The wheel surface is mostly a planar rigid design, which is difficult to adapt to curved materials of different thicknesses, and is prone to problems such as local loose bonding or excessive compression.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a dual-wheel synchronous bonding structure, comprising a mounting frame, a bonding pressure mechanism at the upper end of the mounting frame, a fixing plate fixedly mounted at the front end of the mounting frame, a rotating shaft fixedly mounted through both ends of the fixing plate, a first synchronous wheel sleeved on the outer ring of the rotating shaft, a first belt sleeved on the outer ring of the first synchronous wheel, a guide rail fixedly mounted at the front end of the mounting frame, a slider at the front end of the guide rail, a dispensing and transfer mechanism fixedly mounted at the front end of the slider, a connecting plate fixedly mounted at the right end of the dispensing and transfer mechanism, an mounting block fixedly mounted at the front end of the connecting plate, a dispensing head at the upper end of the mounting block, a first gear at the left end of the mounting frame, a second gear at the left end of the mounting frame, a second synchronous wheel at the left end of the mounting frame, a second belt sleeved on the outer ring of the second synchronous wheel, an upper bonding roller fixedly mounted at the rear end of the second synchronous wheel, and a lower bonding roller fixedly mounted at the rear end of the second gear.
[0008] Preferably, the outer ring of the first gear is fitted with a second belt, and the first gear and the second synchronous pulley are connected by the second belt.
[0009] Preferably, the surfaces of the upper and lower bonding rollers are designed with curved surfaces to fit materials of different thicknesses or shapes.
[0010] Preferably, a first feed transition roller is fixedly connected through both ends of the mounting frame, and a second feed transition roller is fixedly connected through both ends of the mounting frame.
[0011] Preferably, a first upper film-distributing roller is fixedly connected through both ends of the mounting frame, and a second upper film-distributing roller is fixedly connected through both ends of the mounting frame.
[0012] Preferably, an upper curing lamp is provided at the lower end of the mounting bracket, and a lower curing lamp is provided at the lower end of the upper curing lamp.
[0013] Preferably, the left end of the mounting bracket is bolted to the first positioning plate, and the first positioning plate is bolted to the upper curing lamp.
[0014] Preferably, the left end of the mounting bracket is bolted to the second positioning plate, and the second positioning plate is bolted to the lower curing lamp.
[0015] Preferably, the lower end of the mounting bracket is connected to the third positioning plate by bolts, and a fourth positioning plate is fixedly installed at both ends of the mounting bracket. A first lower film-separating roller is fixedly installed through both ends of the third positioning plate, and a second lower film-separating roller is fixedly installed through both ends of the third positioning plate.
[0016] Preferably, the upper end of the mounting bracket is provided with a first protective shell, and both ends of the mounting bracket are provided with second protective shells.
[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: This dual-wheel synchronous bonding structure achieves rigid transmission through the direct meshing of the first gear and the second gear, ensuring a precise and constant basic speed ratio. At the same time, the first gear is connected to the second synchronous pulley through the second belt to form a flexible auxiliary transmission. The buffering characteristics of the belt drive are used to offset the small errors that may be caused by the meshing gap. This avoids the synchronization deviation caused by the tension change of a single belt or chain, and ensures the dynamic consistency of the speed of the two wheels through the instantaneous response characteristics of the gear meshing. This completely solves the problem of material bonding misalignment. With the curved design of the bonding wheel surface, it can adapt to materials with different thicknesses. The double wheels work together to achieve uniform bonding of the entire contact surface, avoiding local overpressure or poor bonding. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall appearance and structure of the present utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the first upper separating film roller and the second upper separating film roller of this utility model in cooperation with each other;
[0020] Figure 3 This is a schematic diagram of the interlocking structure of the first gear and the second gear of this utility model;
[0021] Figure 4 This is a schematic diagram of the structure of the upper bonding roller and the lower bonding roller of this utility model.
[0022] In the diagram: 1. Mounting bracket; 2. Bonding pressure mechanism; 3. Fixing plate; 4. Rotating shaft; 5. First synchronous pulley; 6. First belt; 7. Guide rail; 8. Slider; 9. Dispensing and transfer mechanism; 10. Connecting plate; 11. Mounting block; 12. Dispensing head; 13. First gear; 14. Second gear; 15. Second synchronous pulley; 16. Second belt; 17. Upper bonding roller; 18. Lower bonding roller; 19. First feed transition roller; 20. Second feed transition roller; 21. First upper film separating roller; 22. Second upper film separating roller; 23. Upper curing lamp; 24. Lower curing lamp; 25. First positioning plate; 26. Second positioning plate; 27. Third positioning plate; 28. Fourth positioning plate; 29. First lower film separating roller; 30. Second lower film separating roller; 31. First protective shell; 32. Second protective shell. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Please see Figure 1-4 This utility model provides a technical solution: a dual-wheel synchronous bonding structure, including a mounting frame 1, a bonding pressure mechanism 2 at the upper end of the mounting frame 1, a fixing plate 3 fixedly mounted at the front end of the mounting frame 1, a rotating shaft 4 fixedly mounted through both ends of the fixing plate 3, a first synchronous wheel 5 sleeved on the outer ring of the rotating shaft 4, a first belt 6 sleeved on the outer ring of the first synchronous wheel 5, a guide rail 7 fixedly mounted at the front end of the mounting frame 1, a slider 8 at the front end of the guide rail 7, and an adhesive transfer mechanism 9 fixedly mounted at the front end of the slider 8. A connecting plate 10 is fixedly installed on the right end of the dispensing and transplanting mechanism 9. An installation block 11 is fixedly installed on the front end of the connecting plate 10. A dispensing head 12 is provided on the upper end of the installation block 11. A first gear 13 is provided on the left end of the mounting frame 1. A second gear 14 is provided on the left end of the mounting frame 1. A second synchronous pulley 15 is provided on the left end of the mounting frame 1. A second belt 16 is fitted around the outer ring of the second synchronous pulley 15. An upper bonding roller 17 is fixedly installed on the rear end of the second synchronous pulley 15. A lower bonding roller 18 is fixedly installed on the rear end of the second gear 14.
[0025] Furthermore, a second belt 16 is fitted around the outer ring of the first gear 13. The first gear 13 is connected to the second synchronous pulley 15 through the second belt 16. The first gear 13 meshes with the second gear 14 to form a rigid transmission base, and is connected to the second synchronous pulley 15 through the second belt 16 to construct a flexible auxiliary transmission, so as to realize the precise synchronous operation of the upper contact roller 17 and the lower contact roller 18.
[0026] Furthermore, the upper bonding roller 17 and the lower bonding roller 18 have curved surfaces to fit materials of different thicknesses or shapes. With the lower bonding roller 18, the curved surface can adapt to materials of different thicknesses or shapes. Under the drive of the second gear 14, it runs synchronously with the upper bonding roller 17 and applies stable pressure from the lower surface of the material.
[0027] Furthermore, both ends of the mounting frame 1 are fixedly connected with a first feed transition roller 19, and both ends of the mounting frame 1 are fixedly connected with a second feed transition roller 20. The first feed transition roller 19 can provide stable support and guidance before the material enters the bonding area, reducing shaking or deviation during the material conveying process.
[0028] Furthermore, both ends of the mounting frame 1 are fixedly connected with a first upper film-separating roller 21, and both ends of the mounting frame 1 are fixedly connected with a second upper film-separating roller 22. Through the setting of the first upper film-separating roller 21, the protective film on the surface of the material can be precisely peeled off, and in conjunction with the second upper film-separating roller 22, a continuous film-separating action is formed.
[0029] Furthermore, an upper curing lamp 23 is provided at the lower end of the mounting frame 1, and a lower curing lamp 24 is provided at the lower end of the upper curing lamp 23. Through the setting of the upper curing lamp 23, the upper surface of the bonded material can be subjected to targeted curing treatment.
[0030] Furthermore, the left end of the mounting bracket 1 is connected to the first positioning plate 25 by bolts, and the first positioning plate 25 is connected to the upper curing lamp 23 by bolts. By setting the first positioning plate 25, the upper curing lamp 23 can be stably fixed on the mounting bracket 1, and the position can be accurately adjusted by means of bolt connection.
[0031] Furthermore, the left end of the mounting bracket 1 is connected to the second positioning plate 26 by bolts, and the second positioning plate 26 is connected to the lower curing lamp 24 by bolts. With the setting of the lower curing lamp 24, the bonding layer can be cured from the lower surface of the material, forming a three-dimensional curing space with the upper curing lamp 23.
[0032] Furthermore, the lower end of the mounting frame 1 is connected to the third positioning plate 27 by bolts. The second positioning plate 28 is fixedly installed at both ends of the mounting frame 1. The first lower film-separating roller 29 is fixedly installed through both ends of the third positioning plate 27. The second lower film-separating roller 30 is fixedly installed through both ends of the third positioning plate 27. Through the setting of the second lower film-separating roller 30, it cooperates with the first lower film-separating roller 29 to form a lower film-separating cooperative structure, which can smoothly peel off the protective film of the lower layer of the material.
[0033] Furthermore, a first protective shell 31 is provided at the upper end of the mounting bracket 1, and a second protective shell 32 is provided at both ends of the mounting bracket 1. The first protective shell 31 can effectively protect the core components such as the bonding pressure mechanism 2 at the upper end of the mounting bracket 1, preventing external dust.
[0034] Working Principle: After the equipment starts, the upper and lower bonding synchronous transmission mechanism operates. The first gear 13 and the second gear 14 mesh directly to form a rigid transmission, ensuring a precise and constant base rotation speed of the lower bonding roller 18. Simultaneously, the first gear 13 is connected to the second synchronous pulley 15 via the second belt 16, driving the upper bonding roller 17 to rotate synchronously. The upper bonding roller pressure mechanism 2 is initially in the open state. The material-pushing and clamping cylinder pushes the workpiece to the designated bonding sensing position. The material is first stably conveyed by the first feeding transition roller 19 and the second feeding transition roller 20, reducing swaying and deviation. Subsequently, the first upper separating film roller 21 and the second upper separating film roller 22 cooperate to peel off the upper protective film, and the second lower separating film roller 30 and the first lower separating film roller 29 peel off the lower protective film, ensuring a clean bonding surface. At the same time, the third positioning plate 27 and the fourth positioning plate 28 fix the position of the separating film components to prevent material wrinkling during separation. The pre-treated material then enters the bonding... In the bonding area, the curved surfaces of the upper bonding roller 17 and the lower bonding roller 18 adapt to materials of different thicknesses or shapes. Under the control of the bonding pressure mechanism 2, force is applied simultaneously from the upper and lower surfaces to achieve uniform bonding across the entire contact surface, avoiding local overpressure or incomplete bonding. At the same time, the guide rail 7 and the slider 8 drive the dispensing and transfer mechanism 9 to move, and the dispensing head 12 pre-loads the adhesive medium as needed to improve the bonding firmness. After bonding, the material enters the curing area, where the upper curing lamp 23 and the lower curing lamp 24 illuminate synchronously from the upper and lower directions, respectively. The first positioning plate 25 and the second positioning plate 26 are precisely fixed to the position of the curing lamps with bolts to ensure uniform hardening of the bonding layer, enhance structural stability, and prevent material deformation. The first protective shell 31 covers the bonding pressure mechanism 2 and other core components at the upper end of the mounting frame 1, while the second protective shell 32 protects both ends of the equipment, effectively blocking the intrusion of dust and impurities, reducing operating noise, and ensuring long-term stable operation of the equipment.
[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A double wheel synchronous fitting structure comprising a mounting frame (1), characterized in that: The upper end of the mounting bracket (1) is provided with a fitting pressure mechanism (2). A fixing plate (3) is fixedly installed at the front end of the mounting bracket (1). A rotating shaft (4) is fixedly installed through both ends of the fixing plate (3). A first synchronous pulley (5) is sleeved on the outer ring of the rotating shaft (4). A first belt (6) is sleeved on the outer ring of the first synchronous pulley (5). A guide rail (7) is fixedly installed at the front end of the mounting bracket (1). A slider (8) is provided at the front end of the guide rail (7). A dispensing and transplanting mechanism (9) is fixedly installed at the front end of the slider (8). A connecting rod is fixedly installed at the right end of the dispensing and transplanting mechanism (9). The connecting plate (10) has a mounting block (11) fixedly installed at its front end. The upper end of the mounting block (11) is provided with a dotting head (12). The left end of the mounting frame (1) is provided with a first gear (13). The left end of the mounting frame (1) is provided with a second gear (14). The left end of the mounting frame (1) is provided with a second synchronous pulley (15). The outer ring of the second synchronous pulley (15) is fitted with a second belt (16). The rear end of the second synchronous pulley (15) is fixedly installed with an upper bonding roller (17). The rear end of the second gear (14) is fixedly installed with a lower bonding roller (18).
2. The dual wheel synchronous fitting structure according to claim 1, characterized in that: The outer ring of the first gear (13) is fitted with a second belt (16), and the first gear (13) and the second synchronous pulley (15) are connected through the second belt (16).
3. The dual-wheel synchronous bonding structure according to claim 1, characterized in that: The upper bonding roller (17) and the lower bonding roller (18) have curved surfaces to fit materials of different thicknesses or shapes.
4. The dual-wheel synchronous bonding structure according to claim 1, characterized in that: Both ends of the mounting frame (1) are fixedly connected with a first feed transition roller (19), and both ends of the mounting frame (1) are fixedly connected with a second feed transition roller (20).
5. The dual-wheel synchronous bonding structure according to claim 1, characterized in that: Both ends of the mounting frame (1) are fixedly connected with a first upper film-distributing roller (21), and both ends of the mounting frame (1) are fixedly connected with a second upper film-distributing roller (22).
6. The dual-wheel synchronous bonding structure according to claim 1, characterized in that: The mounting bracket (1) is provided with an upper curing lamp (23) at its lower end, and a lower curing lamp (24) is provided at the lower end of the upper curing lamp (23).
7. The dual-wheel synchronous bonding structure according to claim 1, characterized in that: The left end of the mounting bracket (1) is bolted to the first positioning plate (25), and the first positioning plate (25) is bolted to the upper curing lamp (23).
8. The dual-wheel synchronous bonding structure according to claim 1, characterized in that: The left end of the mounting bracket (1) is bolted to the second positioning plate (26), and the second positioning plate (26) is bolted to the lower curing lamp (24).
9. The dual-wheel synchronous bonding structure according to claim 1, characterized in that: The lower end of the mounting bracket (1) is connected to the third positioning plate (27) by bolts. Both ends of the mounting bracket (1) are fixedly mounted with a fourth positioning plate (28). Both ends of the third positioning plate (27) are fixedly mounted with a first lower film-separating roller (29). Both ends of the third positioning plate (27) are fixedly mounted with a second lower film-separating roller (30).
10. The dual-wheel synchronous bonding structure according to claim 1, characterized in that: The upper end of the mounting bracket (1) is provided with a first protective shell (31), and both ends of the mounting bracket (1) are provided with a second protective shell (32).