Plastic packaging device for food packaging box processing
By introducing a limiting system for the fixing frame, conveying rollers, and rotating rollers into the sealing device, the problem of poor sealing caused by packaging box misalignment in traditional devices is solved, achieving efficient sealing effect and adaptability.
Patent Information
- Application Number
- CN202423140614.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Traditional food packaging box sealing devices are prone to shifting during transportation, leading to poor sealing and affecting processing efficiency.
A sealing device was designed, comprising a fixed frame, a conveying roller, a mounting frame, and a rotating roller. A system of bevel gears and threaded rods driven by a motor is used to limit the positioning of the packaging box, and an adjustable mounting frame is provided to accommodate different sizes, ensuring that the packaging box does not shift during transport.
It effectively prevents packaging boxes from shifting during transportation, improves sealing quality and efficiency, and adapts to the positioning requirements of packaging boxes of different sizes.
Smart Images

Figure CN223658547U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of food packaging box processing technology, specifically to a plastic sealing device for food packaging box processing. Background Technology
[0002] Plastic sealing equipment used in food packaging box processing typically refers to equipment used to heat-seal plastic film onto food packaging boxes. This equipment is very important in the food processing industry because it ensures the freshness and hygiene of food during transportation and storage, and extends its shelf life.
[0003] In traditional food packaging box sealing devices, the boxes are prone to shifting during transport, which reduces the quality of the plastic powder and easily leads to poor sealing, thus affecting processing efficiency. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a plastic sealing device for food packaging box processing.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: a sealing device for food packaging box processing, comprising a sealing machine, a fixed frame provided on the side of the sealing machine, a groove provided inside the fixed frame, a conveying roller provided inside the groove, a driven sprocket provided at one end of the conveying roller, the driven sprocket being located outside the fixed frame, a chain provided on the driven sprocket, a first motor provided on one side of the fixed frame, a driving sprocket provided at the output end of the first motor, one end of the chain being located on the driving sprocket, mounting frames provided on both sides of the top of the fixed frame, rotating rollers provided inside the mounting frames, the fixed... Threaded rods are provided on both sides of the bottom end of the fixed frame. A first bevel gear is provided at one end of each threaded rod. A second motor is provided at the middle of the bottom end of the fixed frame. A second bevel gear is provided at the output end of the second motor. The second bevel gear is located on the side of the first bevel gear. The first bevel gear and the second bevel gear are meshed. A movable block is provided on the threaded rod. The movable block is threadedly connected to the threaded rod. Rotating connecting rods are provided on both sides of the movable block. Movable plates are provided at both ends of the bottom of the fixed frame. One end of each rotating connecting rod is connected to a movable plate. Connecting blocks are provided on both sides of the top of the movable plate. The top of each connecting block is connected to the mounting frame.
[0008] Furthermore, the present invention is improved in that a slider is provided at the top of the movable block, and a groove is provided at the middle of the bottom end of the fixed frame, and the top of the slider is slidably disposed inside the groove.
[0009] Furthermore, the present invention is improved in that the movable plate is provided with through holes at both ends, and the bottom end of the fixed frame is provided with limit rods on both sides, and the limit rods are slidably disposed on the through holes.
[0010] Furthermore, the present invention is improved in that both the first motor and the second motor are servo geared motors.
[0011] Furthermore, the present invention is improved in that multiple rotating rollers are provided and evenly arranged inside the mounting frame, and a rubber layer is provided on the outer surface of the rotating rollers.
[0012] Furthermore, the present invention is improved by providing brackets on both sides of the bottom end of the fixing frame, and the brackets are telescopic support frames.
[0013] Furthermore, the present invention is improved in that multiple conveying rollers and driven sprockets are provided and evenly arranged on the fixed frame.
[0014] (III) Beneficial Effects
[0015] Compared with the prior art, this utility model provides a plastic sealing device for food packaging box processing, which has the following beneficial effects:
[0016] This food packaging box sealing device, when food packaging boxes requiring sealing are conveyed into the sealing machine, is transported on conveyor rollers. During the conveying process, the rotating rollers on the mounting frame can limit the food packaging boxes, ensuring they remain in the center position on the conveyor rollers. This prevents the food packaging boxes from shifting when entering the sealing machine, which could lead to poor sealing and significantly improves the sealing quality. Furthermore, the mounting frame, with the cooperation of threaded rods, moving blocks, rotating connecting rods, and movable plates, can adjust the distance between the mounting frames, allowing it to limit food packaging boxes of different sizes, further enhancing the usability. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 This utility model Figure 1 Structural diagram of the mounting bracket;
[0019] Figure 3 This utility model Figure 2 A schematic diagram of the structure viewed from below;
[0020] Figure 4 This utility model Figure 3 A schematic diagram of the side view structure;
[0021] In the diagram: 1. Sealing machine; 2. Fixed frame; 3. Conveyor roller; 4. Mounting frame; 5. Rotary roller; 6. Driven sprocket; 7. Chain; 8. First motor; 9. Drive sprocket; 10. Threaded rod; 11. First bevel gear; 12. Second motor; 13. Second bevel gear; 14. Moving block; 15. Rotating connecting rod; 16. Movable plate; 17. Connecting block; 18. Limiting rod. Detailed Implementation
[0022] 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.
[0023] Please see Figure 1-4 A sealing device for food packaging box processing includes a sealing machine 1. A fixed frame 2 is provided on the side of the sealing machine 1. A groove is provided inside the fixed frame 2, and a conveying roller 3 is disposed inside the groove. A driven sprocket 6 is disposed at one end of the conveying roller 3, located outside the fixed frame 2. A chain 7 is disposed on the driven sprocket 6. A first motor 8 is disposed on one side of the fixed frame 2, and a driving sprocket 9 is disposed at the output end of the first motor 8. One end of the chain 7 is located on the driving sprocket 9. Mounting frames 4 are provided on both sides of the top of the fixed frame 2, and rotating rollers 5 are disposed inside the mounting frames 4. Threaded rods 10 are provided on both sides of the bottom of the fixed frame 2, and a first bevel gear 11 is disposed at one end of each threaded rod 10. A second motor 12 is installed at the middle of the bottom end of the fixed frame 2. A second bevel gear 13 is installed at the output end of the second motor 12. The second bevel gear 13 is located on the side of the first bevel gear 11. The first bevel gear 11 and the second bevel gear 13 are meshed together. A moving block 14 is installed on the threaded rod 10. The moving block 14 is threadedly connected to the threaded rod 10. Rotating connecting rods 15 are installed on both sides of the moving block 14. Movable plates 16 are installed at both ends of the bottom of the fixed frame 2. One end of the rotating connecting rod 15 is connected to the movable plate 16. Connecting blocks 17 are installed on both sides of the top of the movable plate 16. The top of the connecting blocks 17 is connected to the mounting frame 4. Multiple conveying rollers 3 and driven sprockets 6 are installed and evenly arranged on the fixed frame 2.
[0024] In actual use, the food packaging box to be sealed is placed on the conveyor roller 3 of the fixed frame 2. Then, the spacing of the mounting frame 4 is adjusted according to the size of the food packaging box, so that the rotating roller 5 inside the mounting frame 4 limits the food packaging box. During adjustment, the second motor 12 is turned on, which drives the second bevel gear 13. The second bevel gear 13 drives the first bevel gear 11 through meshing. The first bevel gear 11 drives the threaded rod 10. The threaded rod 10 rotates and drives the moving block 14. The moving block 14 drives the rotating connecting rod 15. The rotating connecting rod 15 pulls the movable plate 16. The movable plate 16 is connected to the connecting block 17. The mounting frame 4 drives the rotating roller 5, which moves to both sides of the food packaging box to limit its movement and prevent it from shifting during transport. Then, the first motor 8 is turned on, which drives the drive sprocket 9. The drive sprocket 9 drives the driven sprocket 6 through the chain 7. The driven sprocket 6 drives the conveyor roller 3 to rotate, and the rotating conveyor roller 3 carries the food packaging box into the sealing machine 1 for sealing. The operation is simple and greatly improves the sealing quality of the food packaging box. It is more practical, and the adjustable mounting frame 4 allows the rotating roller 5 to limit the movement of food packaging boxes of different sizes.
[0025] In this embodiment, a slider is provided at the top of the movable block 14, and a groove is provided at the middle of the bottom end of the fixed frame 2. The top of the slider is slidably disposed inside the groove, which improves the stability of the movable block 14 when it slides.
[0026] In this embodiment, the movable plate 16 is provided with through holes at both ends, and the fixed frame 2 is provided with limit rods 18 on both sides of the bottom end. The limit rods 18 are slidably disposed on the through holes, which improves the stability of the movable plate 16 during adjustment.
[0027] In this embodiment, multiple rotating rollers 5 are provided and evenly arranged inside the mounting frame 4. A rubber layer is provided on the outer surface of the rotating rollers 5, which improves the performance of the rotating rollers 5.
[0028] In this embodiment, the bottom two sides of the fixed frame 2 are also provided with brackets, and the brackets are telescopic support frames, which allow the height of the fixed frame 2 to be manually adjusted.
[0029] 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 plastic sealing device for food packaging box processing, characterized in that: The system includes a sealing machine (1), a mounting frame (2) on the side of the sealing machine (1), a groove inside the mounting frame (2), a conveyor roller (3) inside the groove, a driven sprocket (6) at one end of the conveyor roller (3), the driven sprocket (6) being located outside the mounting frame (2), a chain (7) on the driven sprocket (6), a first motor (8) on one side of the mounting frame (2), a drive sprocket (9) at the output end of the first motor (8), one end of the chain (7) on the drive sprocket (9), mounting frames (4) on both sides of the top of the mounting frame (2), a rotating roller (5) inside the mounting frame (4), and threaded rods (10) on both sides of the bottom of the mounting frame (2), one end of the threaded rods (10) having a first bevel tooth. The wheel (11) is provided with a second motor (12) at the middle of the bottom end of the fixed frame (2). The output end of the second motor (12) is provided with a second bevel gear (13). The second bevel gear (13) is located on the side of the first bevel gear (11). The first bevel gear (11) and the second bevel gear (13) are meshed. The threaded rod (10) is provided with a moving block (14). The moving block (14) is threadedly connected to the threaded rod (10). The moving block (14) is provided with rotating connecting rods (15) on both sides. The fixed frame (2) is provided with movable plates (16) at both ends of the bottom. One end of the rotating connecting rod (15) is connected to the movable plate (16). The top of the movable plate (16) is provided with connecting blocks (17) on both sides. The top of the connecting blocks (17) is connected to the mounting frame (4).
2. The sealing device for food packaging box processing according to claim 1, characterized in that: The top of the movable block (14) is provided with a slider, and the bottom of the fixed frame (2) is provided with a groove. The top of the slider is slidably disposed inside the groove.
3. The sealing device for food packaging box processing according to claim 2, characterized in that: The movable plate (16) has through holes at both ends, and the fixed frame (2) has limit rods (18) on both sides of the bottom end. The limit rods (18) are slidably disposed on the through holes.
4. The sealing device for food packaging box processing according to claim 3, characterized in that: Both the first motor (8) and the second motor (12) are servo geared motors.
5. A sealing device for food packaging box processing according to claim 4, characterized in that: Multiple rollers (5) are provided and are evenly arranged inside the mounting frame (4). A rubber layer is provided on the outer surface of the rollers (5).
6. A sealing device for food packaging box processing according to claim 5, characterized in that: The fixed frame (2) is provided with brackets on both sides of its bottom end, and the brackets are telescopic support frames.
7. A sealing device for food packaging box processing according to claim 6, characterized in that: Multiple conveying rollers (3) and driven sprockets (6) are provided and are evenly arranged on the fixed frame (2).