A sealing strip heat sealing mechanism for dense bags

By designing a sealing strip heat sealing mechanism for dense bags, the problem of the dense bags being easily curled during the sealing process is solved, and the sealing effect and aesthetic improvement are achieved.

CN222713885UActive Publication Date: 2025-04-04CHANGZHOU LUOJIYUAN IND CO LTD
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Patent Information

Application Number
CN202421572835.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-04
Publication Date
2025-04-04
Estimated Expiration
2034-07-04

AI Technical Summary

Technical Problem

The existing sealing device cannot ensure that the compact bag remains stable at all times, resulting in the compact bag being easily raised and wrinkled during the sealing process, affecting the sealing effect and aesthetics.

Method used

A sealing strip heat sealing mechanism for compact bags is designed, including a base, a U-shaped plate, a moving plate, a heating strip, a press plate and a spring. The driving mechanism drives the moving plate and the heating strip to move up and down. The press plate and the compact bag are fixed, and the spring provides cushioning to avoid curling edges.

Benefits of technology

It effectively avoids the edge curling of the dense bag during the sealing process, ensures the effect and beauty of the sealing, and is suitable for practical applications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sealing strip heat-sealing mechanism for a dense bag, comprising a base, a U-shaped plate fixedly connected to the top of the base, a movable plate slidably connected inside the U-shaped plate, heating strips 1 fixedly connected to both sides of the bottom of the movable plate, and heating strips 2 used in conjunction with the heating strips 1 inlaid at both ends of the top of the base. The sealing strip heat-sealing mechanism for a dense bag disclosed by the utility model can drive the movement trajectory of the movable plate through a driving mechanism, thereby driving the movable plate to move up and down, thereby causing the movable plate to drive the heating strip 1, the pressing plate and the sliding rod to move up and down. When performing a sealing operation, the pressing plate is first fixed to the dense bag, and the spring is used to buffer the pressing plate, so that the device can press and fix the edge of the dense bag when performing a sealing operation, thereby avoiding the occurrence of warping edges during the sealing operation, ensuring the sealing effect, and being beneficial to practical applications.
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Description

Technical Field

[0001] The utility model relates to the technical field of sealing strip heat sealing, in particular to a sealing strip heat sealing mechanism for a dense bag. Background Art

[0002] Due to its excellent characteristics, dense bags are widely used in product packaging. At present, dense bag packaging generally uses two independent devices, packaging machines and exhaust sealing equipment, to complete the packaging and sealing processes.

[0003] After searching, it was found that the existing sealing devices cannot ensure that the dense bags always remain stable, which causes the dense bags to easily warp up during the sealing process, resulting in wrinkles, which in turn affects the sealing effect and appearance, and is not conducive to practical applications. To address the above problems, we have launched a sealing strip heat sealing mechanism for dense bags. Utility Model Content

[0004] The utility model discloses a sealing strip heat-sealing mechanism for a dense bag, aiming to solve the technical problem that the dense bag cannot be guaranteed to remain stable all the time, resulting in the dense bag being easily warped during the sealing process, thereby generating wrinkles and further affecting the sealing effect and appearance.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A sealing strip heat sealing mechanism for a dense bag comprises a base, the top of the base is fixedly connected to a U-shaped plate, the inside of the U-shaped plate is slidably connected to a movable plate, both sides of the bottom of the movable plate are fixedly connected to a heating strip 1, both ends of the top of the base are inlaid with a heating strip 2 used in conjunction with the heating strip 1, the heating strip 1 and the heating strip 2 can perform a sealing operation, both ends of the top of the movable plate are slidably connected to a sliding rod, a pressing plate is fixedly connected between the bottoms of the two sliding rods at the corresponding end, the pressing plate can ensure the stability of the dense bag, a spring is sleeved on the outside of the sliding rod and located between the bottom of the movable plate and the top of the corresponding pressing plate, the spring can buffer the pressing plate, a through groove is provided on the top of the U-shaped plate, and a driving mechanism is provided on the top of the U-shaped plate.

[0007] By setting a driving mechanism, the movement trajectory of the movable plate can be driven, and then the movable plate can be driven to move up and down, and then the movable plate can drive the heating strip, the pressing plate and the sliding rod to move up and down. When performing the sealing operation, the pressing plate is first fixed to the dense bag, and the spring is used to buffer the pressing plate, so that the equipment can press and fix the edge of the dense bag when performing the sealing operation, thereby avoiding the edge warping during the sealing operation, ensuring the sealing effect, and facilitating practical applications.

[0008] In a preferred embodiment, the driving mechanism includes a fixed plate, a bidirectional threaded rod, a movable block and a connecting rod, both ends of the top of the U-shaped plate are fixedly connected to the fixed plates, the bidirectional threaded rod is rotatably connected between the two fixed plates, the movable block is slidably connected to the two ends of the bidirectional threaded rod, the bottom of the movable block is slidably connected to the inside of the through groove, the connecting rod is rotatably connected to the bottom of the corresponding movable block, and the end of the connecting rod away from the movable block is rotatably connected to the top of the movable plate.

[0009] By setting a bidirectional threaded rod, the two moving blocks can be driven to move toward each other, and the through groove is used to ensure the movement trajectory of the moving block, so that the moving block drives the corresponding connecting rod to rotate, and the connecting rod drives the moving plate to move up and down.

[0010] In a preferred solution, two sliders are fixedly connected to both sides of the movable plate, two slide grooves for use with the sliders are provided on both sides of the U-shaped plate, and the sliders are slidably connected to the inside of the slide grooves.

[0011] The movement track of the moving plate can be ensured by setting the slider and the slide groove for use in combination.

[0012] In a preferred solution, a motor is fixedly mounted on the outer side of one of the fixing plates, and the output end of the motor passes through the corresponding fixing plate and is fixedly connected to one end of the bidirectional threaded rod.

[0013] The bidirectional threaded rod can be driven to rotate through the operation of the motor.

[0014] In a preferred embodiment, the motor, heating strip 1 and heating strip 2 are all electrically connected to an external control device.

[0015] By setting an external control device, the motor, the first heating strip and the second heating strip can be controlled to work.

[0016] In a preferred solution, both ends of the bottom of the base are fixedly connected with support plates, and the support plates are arranged in an L-shaped structure.

[0017] The entire device can be supported by providing a support plate, and the L-shaped support plate can increase the contact area with the ground, thereby making the entire device more stable.

[0018] The utility model provides a sealing strip heat sealing mechanism for dense bags, which has the following advantages:

[0019] By setting a driving mechanism, the movement trajectory of the movable plate can be driven, and then the movable plate can be driven to move up and down, and then the movable plate can drive the heating strip, the pressing plate and the sliding rod to move up and down. When performing the sealing operation, the pressing plate is first fixed to the dense bag, and the spring is used to buffer the pressing plate, so that the equipment can press and fix the edge of the dense bag when performing the sealing operation, thereby avoiding the edge warping during the sealing operation, ensuring the sealing effect, and facilitating practical applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model is a three-dimensional diagram of a sealing strip heat-sealing mechanism for a dense bag.

[0021] Figure 2 This is a disassembled diagram of a sealing strip heat-sealing mechanism for a dense bag proposed by the utility model.

[0022] Figure 3 This is a first structural schematic diagram of a sealing strip heat-sealing mechanism for a dense bag proposed by the utility model.

[0023] Figure 4 This is a second structural schematic diagram of a sealing strip heat-sealing mechanism for a dense bag proposed by the utility model.

[0024] In the attached figure: 1. base; 2. U-shaped plate; 3. movable plate; 4. heating strip 1; 5. sliding rod; 6. pressure plate; 7. spring; 8. slider; 9. slide groove; 10. heating strip 2; 11. fixed plate; 12. bidirectional threaded rod; 13. connecting rod; 14. motor; 15. support plate; 16. through groove; 17. movable block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application usually described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.

[0026] In what scenarios is the sealing strip heat sealing mechanism for a dense bag disclosed in the utility model mainly used?

[0027] Reference Figure 1 , Figure 2 , Figure 3and Figure 4 , a sealing strip heat sealing mechanism for a dense bag, comprising a base 1, a U-shaped plate 2 is fixedly connected to the top of the base 1, a moving plate 3 is slidably connected inside the U-shaped plate 2, both sides of the bottom of the moving plate 3 are fixedly connected with a heating strip 1 4, both ends of the top of the base 1 are inlaid with a heating strip 2 10 used in conjunction with the heating strip 1 4, the heating strip 1 4 and the heating strip 2 10 can perform a sealing operation, both ends of the top of the moving plate 3 are slidably connected with a slide bar 5, a pressing plate 6 is fixedly connected between the bottoms of the two slide bars 5 at the corresponding ends, the pressing plate 6 can ensure the stability of the dense bag, a spring 7 is sleeved on the outer side of the slide bar 5 and between the bottom of the moving plate 3 and the top of the corresponding pressing plate 6, the spring 7 can perform a buffering operation on the pressing plate 6, a through groove 16 is opened on the top of the U-shaped plate 2, and a driving mechanism is provided on the top of the U-shaped plate 2:

[0028] In this embodiment: a driving mechanism is set up to drive the movement trajectory of the movable plate 3, thereby driving the movable plate 3 to move up and down, and then the movable plate 3 drives the heating strip 4, the pressing plate 6 and the sliding rod 5 to move up and down. When performing the sealing operation, the pressing plate 6 is first fixed to the dense bag, and the spring 7 is used to buffer the pressing plate 6, so that the equipment can press and fix the edge of the dense bag when performing the sealing operation, thereby avoiding the warping of the edge during the sealing operation, ensuring the sealing effect, and facilitating practical applications.

[0029] Reference Figure 1 and Figure 4 In a preferred embodiment, the driving mechanism includes a fixed plate 11, a bidirectional threaded rod 12, a moving block 17 and a connecting rod 13. Both ends of the top of the U-shaped plate 2 are fixedly connected to the fixed plates 11. The bidirectional threaded rod 12 is rotatably connected between the two fixed plates 11. The moving block 17 is slidably connected to both ends of the bidirectional threaded rod 12. The bottom of the moving block 17 is slidably connected to the inside of the through groove 16. The connecting rod 13 is rotatably connected to the bottom of the corresponding moving block 17. The end of the connecting rod 13 away from the moving block 17 is rotatably connected to the top of the moving plate 3.

[0030] In this embodiment, the bidirectional threaded rod 12 is provided to drive the two moving blocks 17 to move toward each other, and the through groove 16 is used to ensure the movement trajectory of the moving block 17, so that the moving block 17 drives the corresponding connecting rod 13 to rotate, and the connecting rod 13 drives the moving plate 3 to move up and down.

[0031] Reference Figure 1 , Figure 2 and Figure 3 In a preferred embodiment, two sliders 8 are fixedly connected to both sides of the movable plate 3, and two slide grooves 9 for use with the sliders 8 are provided on both sides of the U-shaped plate 2, and the sliders 8 are slidably connected to the inside of the slide grooves 9;

[0032] In this embodiment, the movement track of the moving plate 3 can be ensured by setting the slider 8 and the slide groove 9 for use in combination.

[0033] Reference Figure 1 and Figure 4 In a preferred embodiment, a motor 14 is fixedly mounted on the outer side of one of the fixing plates 11, and the output end of the motor 14 passes through the corresponding fixing plate 11 and is fixedly connected to one end of the bidirectional threaded rod 12;

[0034] In this embodiment, the bidirectional threaded rod 12 can be driven to rotate by the operation of the motor 14 .

[0035] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 In a preferred embodiment, the motor 14, the heating strip 1 4 and the heating strip 2 10 are all electrically connected to an external control device;

[0036] In this embodiment, the motor 14, the heating strip 1 4 and the heating strip 2 10 can be controlled to work by setting an external control device.

[0037] Reference Figure 1 In a preferred embodiment, both ends of the bottom of the base 1 are fixedly connected with a support plate 15, and the support plate 15 is set as an L-shaped structure.

[0038] In this embodiment, the support plate 15 is provided to support the entire device. The L-shaped support plate 15 can increase the contact area with the ground, thereby making the entire device more stable.

[0039] Working principle: when in use, first place the dense bag to be sealed between the pressing plate 6, the heating strip 1 4 and the heating strip 2 10, and then the motor 14 can drive the bidirectional threaded rod 12 to rotate, and the bidirectional threaded rod 12 can drive the two moving blocks 17 to move toward each other, and the through groove 16 is used to ensure the movement trajectory of the moving block 17, so that the moving block 17 drives the corresponding connecting rod 13 to rotate, so that the connecting rod 13 drives the moving plate 3 to move up and down, and then drives the moving plate 3 to move up and down, and then drives the heating strip 1 4, the pressing plate 6 and the sliding rod 5 to move up and down. When performing the sealing operation, the pressing plate 6 is first fixed to the dense bag, and the spring 7 can be used to buffer the pressing plate 6, so that the equipment can press and fix the edge of the dense bag when performing the sealing operation, so as to avoid the warping of the edge during the sealing operation, thereby ensuring the sealing effect, which is beneficial to practical application.

[0040] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. Equivalent replacement or change based on the technical solution of the utility model and its utility model concept should be included in the protection scope of the utility model.

Claims

1. A sealing strip heat sealing mechanism for a dense bag, comprising a base (1), characterized in that: A U-shaped plate (2) is fixedly connected to the top of the base (1), a movable plate (3) is slidably connected inside the U-shaped plate (2), heating strips (4) are fixedly connected to both sides of the bottom of the movable plate (3), heating strips (10) for use with the heating strips (4) are inlaid at both ends of the top of the base (1), sliding rods (5) are slidably connected to both ends of the top of the movable plate (3), a pressure plate (6) is fixedly connected between the bottoms of the two sliding rods (5) at the corresponding ends, a spring (7) is sleeved on the outside of the sliding rod (5) and between the bottom of the movable plate (3) and the top of the corresponding pressure plate (6), a through groove (16) is provided at the top of the U-shaped plate (2), and a driving mechanism is provided at the top of the U-shaped plate (2).

2. A sealing strip heat sealing mechanism for a dense bag according to claim 1, characterized in that: The driving mechanism comprises a fixed plate (11), a bidirectional threaded rod (12), a moving block (17) and a connecting rod (13); both ends of the top of the U-shaped plate (2) are fixedly connected to the fixed plate (11); the bidirectional threaded rod (12) is rotatably connected between the two fixed plates (11); the moving block (17) is slidably connected to both ends of the bidirectional threaded rod (12); the bottom of the moving block (17) is slidably connected to the inside of the through groove (16); the connecting rod (13) is rotatably connected to the bottom of the corresponding moving block (17); and one end of the connecting rod (13) away from the moving block (17) is rotatably connected to the top of the moving plate (3).

3. A sealing strip heat sealing mechanism for a dense bag according to claim 1, characterized in that: Two sliders (8) are fixedly connected to both sides of the movable plate (3), two slide grooves (9) for use with the sliders (8) are provided on both sides of the U-shaped plate (2), and the sliders (8) are slidably connected to the inside of the slide grooves (9).

4. A sealing strip heat sealing mechanism for a dense bag according to claim 2, characterized in that: A motor (14) is fixedly mounted on the outer side of one of the fixing plates (11), and an output end of the motor (14) passes through the corresponding fixing plate (11) and is fixedly connected to one end of the bidirectional threaded rod (12).

5. A sealing strip heat sealing mechanism for a dense bag according to claim 4, characterized in that: The motor (14), the first heating strip (4) and the second heating strip (10) are all electrically connected to an external control device.

6. A sealing strip heat sealing mechanism for a dense bag according to claim 1, characterized in that: Both ends of the bottom of the base (1) are fixedly connected with support plates (15), and the support plates (15) are arranged in an L-shaped structure.