A packaging machine longitudinal sealing device

Abstract

The utility model provides a kind of packing machine longitudinal sealing device, belong to packing machine technical field.It solves the spacing between sealing device in the longitudinal sealing device of existing packing machine cannot be adjusted, after completing sealing, heating structure long time heating sealing device is easy to cause overheating phenomenon between two sealing devices, make packaging bag between it melt, affect the use of packing machine problem.This packing machine longitudinal sealing device, including left sealing part and right sealing part, left and right sealing part is respectively provided with left side plate and right side plate, left sealing part and right sealing part have left sealing disc and right sealing disc, eccentricity is provided with moving ring on the bottom of left sealing disc and right sealing disc on pipe shaft, fixed seat connected with left side plate and right side plate is set on pipe shaft, two fixed blocks are installed between left side plate and right side plate, two handle adjusting components are set on the fixed block.The utility model has the advantages of preventing overheating, preventing parts from being damaged due to high temperature.

Description

Technical Field

[0001] This utility model belongs to the field of packaging machine technology, and specifically relates to a longitudinal sealing device for a packaging machine. Background Technology

[0002] Packaging machines are mechanical devices used to seal and protect products, and are widely used in industries such as food, pharmaceuticals, daily chemicals, and hardware. Their core functions include filling, sealing, coding, and vacuum processing. Based on their application, they can be divided into liquid, powder, and granule packaging machines; based on their level of automation, they can be divided into semi-automatic and fully automatic models.

[0003] Food packaging bags are typically sealed using a dedicated longitudinal sealing device, which consists of two sealing devices positioned vertically and horizontally. This device also includes a heating structure. However, the spacing between the existing sealing devices cannot be adjusted. After sealing, prolonged heating of the sealing devices by the heating structure can easily cause overheating between the two sealing devices, melting the packaging bag between them and affecting the operation of the packaging machine. Summary of the Invention

[0004] The purpose of this invention is to address the aforementioned problems in the prior art by providing a longitudinal sealing device with adjustable spacing for a packaging machine.

[0005] The objective of this utility model can be achieved through the following technical solution: A longitudinal sealing device for a packaging machine, characterized in that it includes a left sealing component and a right sealing component, with a left side plate and a right side plate respectively provided on the left and right sealing components. The left and right sealing components are both sleeved on the left and right side plates via a tubular shaft. The left and right sealing components have a left sealing disc and a right sealing disc, respectively, and both the left and right sealing discs are mounted on the top of the tubular shaft. A movable ring is eccentrically arranged on the tubular shaft at the bottom of the left and right sealing discs, and the top of the movable ring extends to the inner cavity of the left and right sealing discs. A sealing device is sleeved on the tubular shaft and connected to the left side plate. The left and right sides are connected by a fixed base. Two fixed blocks are installed between the left and right sides. The fixed blocks are equipped with two handle adjustment components for adjusting the distance between the left and right sealing parts. The left and right sides are equipped with an engagement mechanism for connecting and fixing the left and right sides. A fixed plate is provided on one end of the right side plate. A drive cylinder is provided on the fixed plate, and the cylinder shaft of the drive cylinder rests against the right side plate. Corresponding protrusions with openings are provided on the side end faces of the left and right sides. An elastic device is installed on the protrusion, and the other end of the elastic device is connected to the fixed plate.

[0006] In the aforementioned longitudinal sealing device for a packaging machine, the handle adjustment assembly is respectively located at both ends of the left and right side plates. The handle adjustment assembly is provided with an arc-shaped adjustment rod, which fits into the moving ring. One end of the adjustment rod is provided with a handle seat for easy driving, and the other end has a handle opening with a through hole. A cylinder is provided on the fixing block, and the handle opening, cylinder, and fixing block are connected by a connector.

[0007] In the longitudinal sealing device of the packaging machine described above, a heating pipe is provided inside the tube shaft, and the heating pipe extends upward into the left and right sealing trays.

[0008] In the aforementioned longitudinal sealing device of a packaging machine, the ends of the left sealing disc and the right sealing disc are provided with engaging teeth.

[0009] In the aforementioned longitudinal sealing device for a packaging machine, the biting mechanism includes a left biting plate and a right biting plate.

[0010] Compared with existing technologies, the longitudinal sealing device of this packaging machine adjusts the spacing according to actual needs. After the sealing operation is completed, the spacing between the two sealing devices is appropriately increased to reduce heat accumulation and effectively prevent the packaging bag from melting due to overheating, ensuring the continuous and stable operation of the packaging machine. By adjusting the spacing to prevent overheating, the risk of damage to parts due to high temperature is reduced, the frequency of equipment failure is reduced, thereby extending the service life of the longitudinal sealing device and even the entire packaging machine, and reducing the equipment replacement costs for enterprises. Attached Figure Description

[0011] Figure 1 This is a three-dimensional view of the longitudinal sealing device of this packaging machine.

[0012] Figure 2 This is a cross-sectional view of the longitudinal sealing device of this packaging machine.

[0013] Figure 3 This is a top view of the longitudinal sealing device of this packaging machine.

[0014] In the diagram, 1. Left sealing component; 2. Right sealing component; 3. Left side plate; 4. Right side plate; 5. Tube shaft; 6. Left sealing disc; 7. Right sealing disc; 8. Moving ring; 9. Fixed seat; 10. Fixed block; 11. Handle adjustment assembly; 12. Engaging mechanism; 13. Fixed plate; 14. Drive cylinder; 15. Protrusion; 16. Elastic device; 17. Adjusting rod; 18. Handle seat; 19. Handle opening; 20. Cylinder; 21. Connector; 22. Heating pipe; 23. Engaging teeth; 24. Left engagement plate; 25. Right engagement plate. Detailed Implementation

[0015] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0016] Example 1: like Figure 1 As shown, the longitudinal sealing device of this packaging machine includes a left sealing component 1 and a right sealing component 2. A left side plate 3 and a right side plate 4 are respectively provided on the left and right sealing components 2. During operation, the left sealing component 1 and the right sealing component 2 are brought together by the push of the drive cylinder 14. The elastic device 16 is deformed by the expanding force and firmly fixes the left side plate 3 and the right side plate 4. Both the left sealing component 1 and the right sealing component 2 are sleeved on the left side plate 3 and the right side plate 4 through a tube shaft 5. The left sealing component 1 and the right sealing component 2 have a left sealing disc 6 and a right sealing disc 7, which are used to seal the packaging tape. Both the left sealing disc 6 and the right sealing disc 7 are mounted on the top of the tube shaft 5. A moving ring 8 is eccentrically positioned on the tube shaft 5 at the bottom of the left sealing disc 6 and the right sealing disc 7, and the top of the moving ring 8 extends to the inner cavity of the left and right sealing discs 7. A connecting ring 8 is sleeved on the tube shaft 5. The left side plate 3 and the right side plate 4 are connected by a fixed base 9. Two fixed blocks 10 are installed between the left side plate 3 and the right side plate 4. Two handle adjustment components 11 are provided on the fixed blocks 10 for adjusting the distance between the left sealing component 1 and the right sealing component 2. The left side plate 3 and the right side plate 4 are provided with an engagement mechanism 12 for connecting and fixing the left side plate 3 and the right side plate 4. A fixed plate 13 is provided on one end of the right side plate 4. A drive cylinder 14 is provided on the fixed plate 13, and the cylinder shaft of the drive cylinder 14 rests against the right side plate 4. Corresponding protrusions 15 with openings are provided on the side end faces of the left and right side plates 4. An elastic device 16 is installed on the protrusion 15. The elastic device 16 is a torsion spring, and the other end of the elastic device 16 is connected to the fixed plate 13. When the drive cylinder 14 is not working, the left and right sealing components 2 can return to their initial positions under the action of the torsion spring.

[0017] Example 2: like Figure 2 As shown, the handle adjustment assembly 11 is respectively set at both ends of the left side plate 3 and the right side plate 4. The working direction of the two handle adjustment assemblies 11 is the same. The handle adjustment assembly 11 is provided with an arc-shaped adjustment rod 17. The adjustment rod 17 fits with the moving ring 8. One end of the adjustment rod 17 is provided with a handle seat 18 for easy driving, and the other end has a handle opening 19 with a through hole. The fixed block 10 is provided with a cylinder 20. The handle opening 19, the cylinder 20 and the fixed block 10 are connected by a connector 21. Operate the handle seat 18 of the handle adjustment assembly 11, rotate the adjustment rod 17, and observe the movement of the moving ring 8. Ensure that the moving ring 8 can move smoothly with the rotation of the adjustment rod 17. The adjustment rod 17 pushes the eccentrically set moving ring 8 to abut against the inner wall of the left sealing plate 6 and drives the left sealing part 1 to move outward to expand the distance between the left sealing part 1 and the right sealing part 2.

[0018] To elaborate further, a heating pipe 22 is installed inside the tube shaft 5, and this heating pipe 22 extends upward into the left and right sealing plates 7. After the heating pipe 22 is inserted into the appropriate position, it extends upward into the left and right sealing plates 7. Inside the left and right sealing plates 7, high-temperature sealant is used to seal the connection between the heating pipe 22 and the sealing plate to prevent heat leakage and ensure that the heating pipe 22 can stably transfer heat to the sealing plate.

[0019] To elaborate further, the ends of the left sealing disc 6 and the right sealing disc 7 are provided with engaging teeth 23.

[0020] like Figure 3 As shown, the biting mechanism 12 includes a left biting plate 24 and a right biting plate 25. The left biting plate 24 and the right biting plate 25 are respectively installed on the left side plate 3 and the right side plate 4, and are fixed by bolts or other connection methods to ensure that the biting mechanism 12 can firmly connect the two side plates and enhance the structural stability of the entire device.

[0021] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0022] Although this document frequently uses terms such as left sealing component 1, right sealing component 2, left side plate 3, right side plate 4, tube shaft 5, left sealing disc 6, right sealing disc 7, moving ring 8, fixed seat 9, fixed block 10, handle adjustment assembly 11, biting mechanism 12, fixed plate 13, drive cylinder 14, protrusion 15, elastic device 16, adjusting rod 17, handle seat 18, handle mouth 19, cylinder 20, connecting component 21, heating pipe 22, meshing teeth 23, left biting plate 24, and right biting plate 25, the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A packaging machine longitudinal sealing device, characterized in that, The device includes a left sealing component (1) and a right sealing component (2). A left side plate (3) and a right side plate (4) are respectively provided on the left and right sealing components (2). The left sealing component (1) and the right sealing component (2) are both sleeved on the left side plate (3) and the right side plate (4) via a tube shaft (5). The left sealing component (1) and the right sealing component (2) have a left sealing disc (6) and a right sealing disc (7), both of which are mounted on the top of the tube shaft (5). A moving ring (8) is eccentrically positioned on the tube shaft (5) at the bottom of the left sealing disc (6) and the right sealing disc (7), with the top of the moving ring (8) extending to the inner cavity of the left and right sealing discs (7). A fixed seat (9) is sleeved on the tube shaft (5) and connected to the left side plate (3) and the right side plate (4). The left side plate (3) and the right side plate (4) are respectively provided on the left side plate (3) and the right side plate (4). Two fixing blocks (10) are installed between the right side plates (4). The fixing blocks (10) are provided with two handle adjustment components (11) for adjusting the distance between the left sealing component (1) and the right sealing component (2). The left side plate (3) and the right side plate (4) are provided with a biting mechanism (12) for connecting and fixing the left side plate (3) and the right side plate (4). A fixing plate (13) is provided on one end of the right side plate (4). A driving cylinder (14) is provided on the fixing plate (13), and the cylinder shaft of the driving cylinder (14) rests against the right side plate (4). The left and right side plates (4) are provided with corresponding protrusions (15) with openings. An elastic device (16) is installed on the protrusion (15), and the other end of the elastic device (16) is connected to the fixing plate (13).

2. A longitudinal sealing device for a packaging machine according to claim 1, characterized in that The handle adjustment assembly (11) is respectively set at both ends of the left side plate (3) and the right side plate (4). The handle adjustment assembly (11) is provided with an arc-shaped adjustment rod (17). The adjustment rod (17) fits into the moving ring (8). One end of the adjustment rod (17) is provided with a handle seat (18) for easy driving, and the other end has a handle opening (19) with a through hole. The fixing block (10) is provided with a cylinder (20). The handle opening (19), the cylinder (20) and the fixing block (10) are connected by a connector (21).

3. A longitudinal sealing device for a packaging machine according to claim 1, characterized in that The tube shaft (5) is provided with a heating pipe (22), and the heating pipe (22) extends upward into the left and right sealing plates (7).

4. A longitudinal sealing device for a packaging machine according to claim 1, characterized in that The left sealing disc (6) and the right sealing disc (7) are provided with meshing teeth (23) at their ends.

5. A longitudinal sealing device for a packaging machine according to claim 1, characterized in that The occlusal mechanism (12) includes a left occlusal plate (24) and a right occlusal plate (25).

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