A bagging machine's sealing device

CN224715341UActive Publication Date: 2026-09-04DONGGUAN LIANHAO PACKAGING EQUIP CO LTD
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Patent Information

Application Number
CN202522123042.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-09
Publication Date
2026-09-04
Estimated Expiration
2035-10-09

AI Technical Summary

Technical Problem

[0004]针对上述中的相关技术,粘封板推动自粘袋的袋口进行折弯完成自粘袋的袋舌与自粘袋的袋身固定的过程中,自粘袋的袋舌不易保持平整状态容易出现褶皱,进而导致自粘袋的袋舌与自粘袋的袋身固定的质量不佳

Benefits of technology

[0016]When the sealing device of the bagging machine seals the opening of the self-adhesive bag, after the self-adhesive bag is conveyed to the sealing mechanism, the pressure plate moves towards the sealing plate until the pressure plate presses the bag flap against the sealing plate. Then, the sealing plate and the pressure plate move simultaneously towards the bag body, causing the bag flap to continuously bend and adhere to the bag body until the bag flap is fixed to the bag body. The pressure plate then presses the bag flap firmly against the sealing plate, preventing wrinkles from forming on the bag flap. Simultaneously, the bag flap and bag body... During the fixing process, the flap of the self-adhesive bag continuously bends and adheres to the body of the bag, resulting in better stability and preventing wrinkles from forming on the flap. This improves the quality of the fixation between the flap and the body, addressing the issue where the flap is prone to wrinkling and poor adhesion when the sealing plate pushes it to bend, leading to a poorly fixed fit.

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Abstract

The application relates to a bagging machine's adhesive sealing device, which comprises an adhesive sealing seat and an adhesive sealing mechanism, the adhesive sealing mechanism is arranged on the adhesive sealing seat, the adhesive sealing mechanism comprises an adhesive sealing plate and a pressing plate, the adhesive sealing plate and the pressing plate are both slidably matched with the adhesive sealing seat, the pressing plate can slide towards or away from the adhesive sealing plate, when the adhesive sealing mechanism performs adhesive sealing, the pressing plate presses the bag tongue of a self-adhesive bag to the adhesive sealing plate, the pressing plate moves towards the adhesive sealing plate until the pressing plate presses the bag tongue of the self-adhesive bag to the adhesive sealing plate, then the adhesive sealing plate and the pressing plate simultaneously move towards the bag body of the self-adhesive bag, so that the bag tongue of the self-adhesive bag continuously completes bending and is attached to the bag body of the self-adhesive bag, until the bag opening of the self-adhesive bag is fixed with the bag body. The application has the effects of improving the quality and efficiency of fixing the bag tongue of the self-adhesive bag and the bag body of the self-adhesive bag.
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Description

Technical Field

[0001] This application relates to the field of card packaging, and more particularly to a sealing device for a bagging machine. Background Technology

[0002] With the widespread application of card, sheet, book, or box products, the market demand for efficient, precise, and automated new bagging machines is becoming increasingly urgent. In the context of the deep integration of the digital economy and intelligent manufacturing, traditional manual or semi-automated packaging methods can no longer meet the needs of large-scale production, especially in terms of product quality consistency, production efficiency, and cost control. Currently, new automated bagging machines generally include a sealing device for sealing the opening of self-adhesive bags that hold card, sheet, book, or box products. Self-adhesive bags generally require two bends when being sealed. The first bend turns the bag flap from a horizontal to a vertical position to complete the initial sealing of the self-adhesive bag. The second bend fixes the bag flap to the bag body.

[0003] Existing sealing devices generally include a bending plate for bending the flap of the self-adhesive bag and a sealing plate for sealing. When the flap of the self-adhesive bag passes through the bending plate, it bends from a horizontal state to a vertical state. After the flap of the self-adhesive bag is bent to a vertical state, the sealing plate moves towards the flap of the self-adhesive bag and pushes the flap of the self-adhesive bag towards the body of the self-adhesive bag to bend again until the flap of the self-adhesive bag is fixed to the body of the self-adhesive bag.

[0004] Regarding the aforementioned technologies, during the process of the sealing plate pushing the opening of the self-adhesive bag to bend and fix the bag flap to the bag body, the bag flap of the self-adhesive bag is not easy to keep flat and is prone to wrinkles, which leads to poor quality of fixing the bag flap to the bag body. Utility Model Content

[0005] In order to improve the quality of fixing the flap and body of the self-adhesive bag, this application provides a sealing device for a bagging machine.

[0006] The sealing device for a bagging machine provided in this application adopts the following technical solution:

[0007] A sealing device for a bagging machine includes a sealing seat and a sealing mechanism. The sealing mechanism is disposed on the sealing seat and includes a sealing plate, a pressing plate, a first driving assembly, and a second driving assembly. The sealing plate and the pressing plate are slidably fitted to the sealing seat. The pressing plate is slidable toward or away from the sealing plate. The first driving assembly is used to drive the sealing plate to slide, and the second driving assembly is used to drive the pressing plate to slide.

[0008] Optionally, the first drive assembly includes a first drive motor, a first drive gear, and a first drive rack. The first drive motor is disposed on the adhesive sealing seat, the first drive gear is coaxially fixed to the output shaft of the first drive motor, and the first drive rack is slidably engaged with the adhesive sealing seat and fixedly connected to the adhesive sealing plate.

[0009] Optionally, the sealing mechanism further includes at least one sealing guide rod, which is slidably fitted to the sealing seat and fixedly connected to the pressure plate, and the sealing plate is slidably fitted to the sealing guide rod.

[0010] Optionally, the second drive assembly includes a second connecting rod, a second drive motor, a second drive gear, and a second drive rack. The second connecting rod and each of the adhesive guide rods are fixedly connected. The second drive motor is disposed on the adhesive seat. The second drive gear is coaxially fixed to the output shaft of the second drive motor. The second drive rack is slidably engaged with the adhesive seat and fixedly connected to the second connecting rod.

[0011] Optionally, the sealing mechanism further includes a first connecting rod, and the first driving assembly includes a first driving motor, a first driving gear and a first driving rack. The first driving motor is disposed on the sealing seat, the first driving gear is coaxially fixed to the output shaft of the first driving motor, and the first driving rack is slidably engaged with the sealing seat and fixedly connected to the sealing plate.

[0012] The first connecting rod slides into the sealing guide rod, the first connecting rod is fixedly connected to the first drive rack, and the first drive assembly drives the sealing plate.

[0013] Optionally, the sealing plate is equipped with a soft brush, which is used to smooth the opening of the self-adhesive bag and seal the opening of the self-adhesive bag.

[0014] Optionally, the pressing plate is provided with a pressing spring, and when the pressing plate presses the opening of the self-adhesive bag to the sealing plate, the pressing spring abuts against the opening of the self-adhesive bag.

[0015] In summary, this application includes at least one of the following beneficial technical effects:

[0016] When the sealing device of the bagging machine seals the opening of the self-adhesive bag, after the self-adhesive bag is conveyed to the sealing mechanism, the pressure plate moves towards the sealing plate until the pressure plate presses the bag flap against the sealing plate. Then, the sealing plate and the pressure plate move simultaneously towards the bag body, causing the bag flap to continuously bend and adhere to the bag body until the bag flap is fixed to the bag body. The pressure plate then presses the bag flap firmly against the sealing plate, preventing wrinkles from forming on the bag flap. Simultaneously, the bag flap and bag body... During the fixing process, the flap of the self-adhesive bag continuously bends and adheres to the body of the bag, resulting in better stability and preventing wrinkles from forming on the flap. This improves the quality of the fixation between the flap and the body, addressing the issue where the flap is prone to wrinkling and poor adhesion when the sealing plate pushes it to bend, leading to a poorly fixed fit. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the sealing device structure in an embodiment of this application. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the driver component structure in an embodiment of this application;

[0019] Figure 3 This is a schematic diagram of the sealing plate structure according to an embodiment of this application;

[0020] Figure 4 This is a schematic diagram of the clamping plate structure according to an embodiment of this application;

[0021] Figure 5 This is a schematic diagram of the structure installed on a bagging machine according to an embodiment of this application;

[0022] Explanation of reference numerals in the attached drawings: 1. Sealing seat; 3. Sealing mechanism; 31. Sealing guide rod; 32. Sealing plate; 321. Soft brush; 33. Pressing plate; 331. Pressing spring; 34. First drive assembly; 341. First drive motor; 342. First drive gear; 343. First drive rack; 35. First connecting rod; 36. Second drive assembly; 361. Second connecting rod; 362. Second drive motor; 363. Second drive gear; 364. Second drive rack; 10. Sealing device; 100. Bag filling machine. Detailed Implementation

[0023] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0024] This application discloses a sealing device for a bagging machine. (Refer to...) Figure 1 A sealing device for a bagging machine includes a sealing base 1 and a sealing mechanism 3, wherein the sealing mechanism 3 is disposed on the sealing base 1.

[0025] Reference Figure 1 The sealing mechanism 3 includes a sealing guide rod 31, a sealing plate 32, a pressing plate 33, a first driving assembly 34, a first connecting rod 35, and a second driving assembly 36. The sealing guide rod 31 is slidably fitted to the sealing seat 1. The sealing guide rod 31 is fixedly connected to the pressing plate 33. The sealing plate 32 is slidably fitted to the sealing guide rod 31 so that both the sealing plate 32 and the pressing plate 33 are slidably fitted to the sealing seat 1. The pressing plate 33 can slide towards or away from the sealing plate 32. When the sealing mechanism 3 performs sealing, the pressing plate 33 presses the flap of the self-adhesive bag against the sealing plate 32.

[0026] Reference Figure 2 The sealing mechanism 3 also includes a first drive assembly 34 and a first connecting rod 35. The first drive assembly 34 includes a first drive motor 341, a first drive gear 342 and a first drive rack 343. The first drive motor 341 is fixedly mounted on the sealing base 1. The first drive gear 342 is coaxially fixed to the output shaft of the first drive motor 341. The first drive rack 343 is slidably engaged with the sealing base 1 and fixedly connected to the sealing plate 32. The first connecting rod 35 is slidably engaged with both sealing guide rods 31. The first connecting rod 35 is fixedly connected to the first drive rack 343.

[0027] Reference Figure 2 The sealing mechanism 3 also includes a second drive assembly 36, which includes a second connecting rod 361, a second drive motor 362, a second drive gear 363, and a second drive rack 364. The second connecting rod 361 and each sealing guide rod 31 are fixedly connected. The first connecting rod 35 is located between the second connecting rod 361 and the sealing plate 32. The second drive motor 362 is fixedly mounted on the sealing seat 1. The second drive gear 363 is coaxially fixed to the output shaft of the second drive motor 362. The second drive rack 364 is slidably fitted on the sealing seat 1 and fixedly connected to the second connecting rod 361.

[0028] Reference Figure 2When the sealing mechanism 3 bends and seals the opening of the self-adhesive bag, the second drive assembly 36 is driven, which moves the pressure plate 33 toward the sealing plate 32 until the pressure plate 33 presses the flap of the self-adhesive bag against the sealing plate 32. Then the first drive assembly 34 is driven, which moves the sealing plate 32 toward the body of the self-adhesive bag. At the same time, the second drive assembly 36 and the first drive assembly 34 push the pressure plate 33 to move in the same direction and at the same speed. Alternatively, the first drive assembly 34 is driven, which moves the sealing plate 32 toward the pressure plate 33 until the sealing plate 32 presses the flap of the self-adhesive bag against the pressure plate 33. Then the second drive assembly 36 is driven, which moves the pressure plate 33 toward the body of the self-adhesive bag in the same direction and at the same speed as the first drive assembly 34. This makes the flap of the self-adhesive bag and the body of the self-adhesive bag sealed and fixed.

[0029] After the sealing mechanism 3 completes the sealing and fixing of the self-adhesive bag, the first drive assembly 34 is driven, which moves the sealing plate 32 away from the self-adhesive bag and simultaneously moves the first connecting rod 35 away from the self-adhesive bag. When the first connecting rod 35 moves to a certain distance, the distance between the sealing plate 32 and the pressing plate 33 is reset to the initial distance between the sealing plate 32 and the pressing plate 33. Then, the second drive assembly 36 is driven, which pushes the second connecting rod 361 away from the self-adhesive bag in the same direction and at the same speed as the first drive assembly 34. The second connecting rod 361 moves the pressing plate 33 away from the self-adhesive bag, so that the pressing plate 33 and the sealing plate 32 maintain the initial distance and move away from the self-adhesive bag at the same time until the sealing mechanism 3 is reset.

[0030] Reference Figure 3 and Figure 4 The sealing plate 32 may be provided with a soft brush 321, which is used to smooth the opening of the self-adhesive bag and make the opening of the self-adhesive bag stick together. The material of the soft brush 321 can be a soft material such as a brush, silicone, or rubber. This embodiment does not limit this. The pressing plate 33 may be provided with a pressing spring 331. When the pressing plate 33 presses the bag tongue of the self-adhesive bag to the sealing plate 32, the pressing spring 331 abuts against the bag tongue of the self-adhesive bag. In this embodiment, the pressing spring 331 is elastic.

[0031] The principle of the sealing device of a bagging machine according to an embodiment of this application is as follows: The flap of a self-adhesive bag is conveyed to the sealing mechanism 3 in a vertical state. The pressing plate 33 moves towards the sealing plate 32, or the sealing plate 32 moves towards the pressing plate 33, until the sealing plate 32 and the pressing plate 33 press the flap of the self-adhesive bag tightly. Then, the sealing plate 32 and the pressing plate 33 move simultaneously and in the same direction towards the body of the self-adhesive bag, causing the flap of the self-adhesive bag to continuously bend and adhere to the body of the bag until the flap and body are fixed. The pressing plate 33 then presses the flap of the self-adhesive bag against the sealing plate 32, thus sealing the flap of the self-adhesive bag. It is less prone to wrinkles. Furthermore, when the flap of the self-adhesive bag is fixed to the bag body, the flap continuously bends and adheres to the bag body, resulting in better stability and preventing wrinkles. This improves the quality of the fixation between the flap and the bag body, addressing the problem of the flap not maintaining a flat surface and prone to wrinkles during the process of the sealing plate 32 pushing the flap to bend and fix the flap to the bag body, which leads to poor fixation quality.

[0032] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A sealing device for a bagging machine, characterized in that: The device includes a sealing base (1) and a sealing mechanism (3). The sealing mechanism (3) is disposed on the sealing base (1). The sealing mechanism (3) includes a sealing plate (32), a pressing plate (33), a first driving assembly (34), and a second driving assembly (36). The sealing plate (32) and the pressing plate (33) are slidably fitted to the sealing base (1). The pressing plate (33) can slide towards or away from the sealing plate (32). The first driving assembly (34) is used to drive the sealing plate to slide, and the second driving assembly (36) is used to drive the pressing plate (33) to slide.

2. The sealing device for a bagging machine according to claim 1, characterized in that: The first drive assembly (34) includes a first drive motor (341), a first drive gear (342) and a first drive rack (343). The first drive motor (341) is disposed on the adhesive sealing seat (1). The first drive gear (342) is coaxially fixed to the output shaft of the first drive motor (341). The first drive rack (343) is slidably engaged with the adhesive sealing seat (1) and fixedly connected to the adhesive sealing plate (32).

3. The sealing device for a bagging machine according to claim 2, characterized in that: The sealing mechanism (3) further includes at least one sealing guide rod (31), which is slidably fitted to the sealing seat (1) and is fixedly connected to the pressing plate (33). The sealing plate (32) is slidably fitted to the sealing guide rod (31).

4. The sealing device for a bagging machine according to claim 3, characterized in that: The second drive assembly (36) includes a second connecting rod (361), a second drive motor (362), a second drive gear (363), and a second drive rack (364). The second connecting rod (361) and each of the adhesive guide rods (31) are fixedly connected. The second drive motor (362) is disposed on the adhesive base (1). The second drive gear (363) is coaxially fixed to the output shaft of the second drive motor (362). The second drive rack (364) is slidably engaged with the adhesive base (1) and fixedly connected to the second connecting rod (361).

5. The sealing device for a bagging machine according to claim 4, characterized in that: The sealing mechanism (3) further includes a first connecting rod (35), which slides and engages with the sealing guide rod (31). The first connecting rod (35) is fixedly connected to the first drive rack (343), and the first drive assembly (34) drives the sealing plate (32).

6. The sealing device for a bagging machine according to claim 1, characterized in that: The sealing plate (32) is equipped with a soft brush (321), which is used to smooth the opening of the self-adhesive bag and seal the opening of the self-adhesive bag.

7. The sealing device for a bagging machine according to claim 1, characterized in that: The pressing plate (33) is provided with a pressing spring (331). When the pressing plate (33) presses the bag opening of the self-adhesive bag to the sealing plate (32), the pressing spring (331) abuts against the bag opening of the self-adhesive bag.