Automatic sealing device for packaging bag

By designing the push plate assembly and hot pressing assembly of the automatic sealing device, the problem of manual adjustment of the sealing machine is solved, an efficient and automatic packaging bag sealing process is realized, and the sealing efficiency and sealing quality are improved.

CN223408290UActive Publication Date: 2025-10-03ZHEJIANG BAOHENG PACKAGING DAILY NECESSITIES CO LTD
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Patent Information

Application Number
CN202422958953.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-10-03
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

Existing sealing machines require manual precision adjustment when sealing packaging bags, resulting in low sealing efficiency.

Method used

An automatic sealing device for packaging bags is designed, which includes a push plate assembly, a belt assembly and a hot pressing assembly. The position of the packaging bag and the sealing length are automatically adjusted through the cooperation of the push cylinder and the lifting cylinder, and efficient sealing is achieved by using multiple heating strips.

Benefits of technology

It achieves efficient sealing of packaging bags without manual precise adjustment, improving sealing efficiency and sealing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic packaging bag sealing device which comprises a sectional material frame, a groove is formed in the outer wall of one side of the top of the sectional material frame, a belt assembly is arranged in the groove, a containing groove is formed in the outer wall of one side of the sectional material frame, and a cover plate is installed on one side of the inner wall of the containing groove through bolts. When different packaging bags are sealed, the pushing air cylinder can be controlled to be started according to the width of sealing of the packaging bags, the started pushing air cylinder can drive the push plate to move, the position of the push plate on the belt assembly is changed, the packaging bags to be packaged can be placed on the belt assembly during follow-up feeding, and the packaging bags to be packaged can be placed on the belt assembly. Then, the push plate limits one end of the packaging bag, so that the to-be-sealed end of the packaging bag extends into the hot-pressing assembly at a fixed-length distance, in the process, workers do not need to accurately adjust the position of the packaging bag, and the packaging bag can be adjusted only by placing one end of the packaging bag at the position of the push plate; and the packaging bag sealing efficiency of the sealing machine can be greatly improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of packaging bag sealing equipment, in particular to an automatic packaging bag sealing device. Background Art

[0002] The main function of the packaging bag is to protect the product and prevent it from being squeezed, impacted, vibrated, and affected by temperature differences during transportation and storage, thereby maintaining the integrity and use value of the product. After loading, the packaging bag will be sealed by a sealing machine.

[0003] For example, the automatic sealing device for packaging bags, with application number CN201220425155.6 and authorization announcement date 20130403, includes a support base, a conveyor belt is mounted on the support base via pulleys at both ends, a set of oil cylinders is fixedly mounted on the side of the support base, the piston rod ends of the oil cylinders are fixedly mounted on a fixing frame, a heating plate is mounted on the fixing frame, the heating plate is connected to electricity, a sealing plate is located below the fixing frame, the sealing plate is located on one side of the conveyor belt, and an operating table is fixedly mounted on the support base at the output end of the conveyor belt. This utility model has a reasonable structure, replaces manual labor, can quickly and conveniently seal the bag opening of the packaging bag, thereby protecting the medicine inside the packaging bag, and the entire process is a streamlined operation with high work efficiency, which has great practical value.

[0004] When the sealing machines on the market seal packaging bags, in order to ensure the sealing width, the packaging bags containing materials need to be placed manually and accurately on the conveyor belt. When sealing a large number of packaging bags, the adjustment of the packaging bags is time-consuming, which reduces the sealing efficiency of the sealing machine. Therefore, it is urgent to design an automatic sealing device for packaging bags to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic sealing device for packaging bags to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] A packaging bag automatic sealing device comprises a profile frame, a groove is provided on the outer wall of one side of the top of the profile frame, and a belt assembly is provided inside the groove, a placement groove is provided on the outer wall of one side of the profile frame, and a cover plate is installed on one side of the inner wall of the placement groove by bolts, a mounting groove is provided on the outer wall of one side of the profile frame, and a hot pressing assembly is provided inside the mounting groove, one side of the hot pressing assembly is installed inside the placement groove, a push plate assembly is installed on the outer wall of one side of the top of the profile frame by bolts, and the push plate assembly comprises a bracket, which is installed on the outer wall of one side of the top of the profile frame by bolts, two push cylinders are installed on the outer wall of one side of the bracket by bolts, and the output end of the push cylinder is installed with a push plate by bolts.

[0008] Furthermore, the belt assembly includes four roller components and a supporting plate. The four roller components are installed inside the groove through bearings, and the supporting plate is installed inside the groove through bolts. A belt is wound between the four roller components.

[0009] Furthermore, the hot pressing assembly includes a lifting cylinder, which is installed on one side of the top inner wall of the placement groove by bolts. The output end of the lifting cylinder is installed with a sliding frame by bolts, and the sliding frame is slidably inserted into the placement groove.

[0010] Furthermore, the hot pressing assembly also includes a support plate, which is installed inside the placement groove through bolts, and two sliding rods are installed on the outer wall of one side of the support plate through bolts.

[0011] Furthermore, a driving motor is installed at the center of the outer wall of one side of the support plate through bolts, and a screw rod is installed at the output end of the driving motor through a coupling.

[0012] Furthermore, the external threaded connection of the screw rod is connected to a mounting bracket, and the mounting bracket is slidably connected to the inside of the mounting groove. The mounting bracket is slidably connected to the sliding rod, and a downward pressure bracket is installed on the outer wall of one side of the mounting bracket through bolts.

[0013] Furthermore, the hot pressing assembly also includes four electric rollers, two of which are installed inside the mounting frame through bearings, and the other two electric rollers are installed inside the mounting groove through bearings. A conveyor belt is wrapped between two adjacent electric rollers, and multiple heating strips are provided on the outside of the conveyor belt.

[0014] In the above technical solution, the utility model provides an automatic sealing device for packaging bags, which has the following beneficial effects:

[0015] (1) Through the push plate assembly, when different packaging bags are sealed, the push cylinder can be controlled to start according to the width of the packaging bag seal. The started push cylinder will move the push plate, so that the position of the push plate on the belt assembly changes. When loading the bag, the packaging bag to be packaged can be placed on the belt assembly. The push plate will then limit one end of the packaging bag, so that the end of the packaging bag to be sealed extends into the hot pressing assembly at a fixed length. In this process, workers do not need to accurately adjust the position of the packaging bag. They only need to place one end of the packaging bag on the push plate position to adjust the packaging bag, which can greatly improve the efficiency of the sealing machine in sealing the packaging bag.

[0016] (2) By setting the heating strips, when the device seals the packaging bag, the multiple heating strips on the conveyor belt can perform multiple seals on one end of the packaging bag, which is beneficial to improving the sealing effect of the packaging bag and improving the sealing quality of the device.

[0017] (3) By setting up a lifting cylinder and a sliding frame, when the packaging bag is sealed by the device, according to the different lengths of the packaging bag to be sealed, the lifting cylinder can be controlled to start, and the lifting cylinder will move the sliding frame up and down, and the moving sliding frame will move the sealed part of the packaging bag up and down, so that the sealed end of the packaging bag will not be tilted at a large angle, so that when sealing later, multiple heating strips can heat-seal a longer seal at one end, thereby ensuring the heat-sealing effect of the packaging bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 The present invention provides an overall structural diagram of an automatic sealing device for packaging bags according to an embodiment of the present invention.

[0020] Figure 2 This is a schematic structural diagram of a profile frame, a push assembly and a belt assembly provided in an embodiment of an automatic sealing device for packaging bags of the utility model.

[0021] Figure 3 This is a schematic structural diagram of a belt assembly provided in an embodiment of an automatic sealing device for packaging bags of the present utility model.

[0022] Figure 4 This is a schematic structural diagram of a push plate assembly provided in an embodiment of an automatic sealing device for packaging bags of the present utility model.

[0023] Figure 5 The present invention is a schematic diagram of the structure of a hot pressing component provided in an embodiment of an automatic sealing device for packaging bags.

[0024] Figure 6 This is a side structural schematic diagram of a hot pressing assembly provided in an embodiment of an automatic sealing device for packaging bags of the present invention.

[0025] Description of reference numerals:

[0026] 1. Profile frame; 2. Groove; 3. Push plate assembly; 4. Belt assembly; 5. Mounting groove; 6. Hot pressing assembly; 7. Placement groove; 8. Cover plate; 9. Roller assembly; 10. Belt; 11. Support plate; 12. Bracket; 13. Push cylinder; 14. Push plate; 15. Lifting cylinder; 16. Sliding frame; 17. Electric roller; 18. Conveyor belt; 19. Heating strip; 20. Mounting frame; 21. Lower pressure frame; 22. Support plate; 23. Sliding rod; 24. Screw; 25. Drive motor. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0028] like Figure 1-6 As shown, an embodiment of the present invention provides an automatic sealing device for packaging bags, including a profile frame 1, a groove 2 is opened on the outer wall of one side of the top of the profile frame 1, and a belt assembly 4 is provided inside the groove 2, a placement groove 7 is opened on the outer wall of one side of the profile frame 1, and a cover plate 8 is installed on one side of the inner wall of the placement groove 7 by bolts, a mounting groove 5 is opened on the outer wall of one side of the profile frame 1, and a hot pressing assembly 6 is provided inside the mounting groove 5, and one side of the hot pressing assembly 6 is installed inside the placement groove 7, a push plate assembly 3 is installed on the outer wall of one side of the top of the profile frame 1 by bolts, and the push plate assembly 3 includes a bracket 12, the bracket 12 is installed on the outer wall of one side of the top of the profile frame 1 by bolts, two push cylinders 13 are installed on the outer wall of one side of the bracket 12 by bolts, and a push plate 14 is installed on the output end of the push cylinder 13 by bolts.

[0029] Specifically, in this embodiment, it includes a profile frame 1, a groove 2 is opened on the outer wall of one side of the top of the profile frame 1, and a belt assembly 4 is provided inside the groove 2, a placement groove 7 is opened on the outer wall of one side of the profile frame 1, and a cover plate 8 is installed on one side of the inner wall of the placement groove 7 by bolts, a mounting groove 5 is opened on the outer wall of one side of the profile frame 1, and a hot pressing assembly 6 is provided inside the mounting groove 5, and one side of the hot pressing assembly 6 is installed inside the placement groove 7, a push plate assembly 3 is installed on the outer wall of one side of the top of the profile frame 1 by bolts, and the push plate assembly 3 includes a bracket 12, and the bracket 12 is installed on the outer wall of one side of the top of the profile frame 1 by bolts, and the outer wall of one side of the bracket 12 is screwed The bolt is equipped with two push cylinders 13, and the model of the push cylinder 13 is preferably SC30*100, and the output end of the push cylinder 13 is equipped with a push plate 14 through a bolt. The push cylinder 13 is controlled to start, and the started push cylinder 13 will move with the push plate 14, so that the position of the push plate 14 on the belt assembly 4 changes. During subsequent loading, the packaging bag to be packaged is placed on the belt assembly 4, and then the push plate 14 will limit one end of the packaging bag, so that the end of the packaging bag to be sealed extends into the hot pressing assembly 6 at a fixed length, thereby realizing the adjustment of the packaging bag and facilitating the subsequent heat sealing treatment of the hot pressing assembly 6.

[0030] The utility model provides an automatic sealing device for packaging bags. When heat sealing, when sealing different packaging bags, the push cylinder 13 can be controlled to start according to the width of the packaging bag seal. The started push cylinder 13 will move with the push plate 14, so that the position of the push plate 14 on the belt assembly 4 changes. During subsequent loading, the packaging bag to be packaged can be placed on the belt assembly 4, and then the push plate 14 will limit one end of the packaging bag, so that the end of the packaging bag to be sealed extends into the hot pressing assembly 6 at a fixed length. In this process, there is no need for workers to accurately adjust the position of the packaging bag. The packaging bag can be adjusted by simply placing one end of the packaging bag at the position of the push plate 14.

[0031] In one embodiment provided by the present invention, Figure 3 As shown, the belt assembly 4 includes four roller members 9 and a support plate 11. Two of the four roller members 9 are rubber rollers, and the other two are power rollers. The four roller members 9 are installed inside the groove 2 through bearings, and the support plate 11 is installed inside the groove 2 through bolts. A belt 10 is wrapped between the four roller members 9.

[0032] In another embodiment provided by the present invention, Figure 5-6 As shown, the hot pressing assembly 6 includes a lifting cylinder 15, and the lifting cylinder 15 model is preferably SC30*100. The lifting cylinder 15 is installed on the top side of the inner wall of the mounting groove 7 by bolts, and the output end of the lifting cylinder 15 is installed with a sliding frame 16 by bolts. After the adjustment of the push plate 14 is completed, the lifting cylinder 15 is controlled to start, and the lifting cylinder 15 will lift and lower the sliding frame 16. The moving sliding frame 16 will lift and lower the sealing part of the packaging bag, so that the sealed end of the packaging bag will not be tilted at too large an angle. During subsequent sealing, multiple heating strips 19 can heat-seal a longer seal at one end to ensure the heat sealing effect of the packaging bag, and the sliding frame 16 is slidably inserted into the mounting groove 7. The hot pressing assembly 6 also includes a support plate 22, which is installed in the mounting groove 7 by bolts. Two sliding rods 23 are installed on the outer wall of one side of the support plate 22 by bolts. A driving motor 25 is installed at the center of the outer wall of one side of the support plate 22 by bolts. The model of the driving motor 25 is preferably

[0033] 57BYGH650-23, and the output end of the driving motor 25 is installed with a screw rod 24 through a coupling, the external thread of the screw rod 24 is connected to the mounting bracket 20, and the mounting bracket 20 is slidably connected to the inside of the mounting groove 5, and the mounting bracket 20 is slidably connected to the sliding rod 23. A lower pressure bracket 21 is installed on the outer wall of one side of the mounting bracket 20 through bolts. As the mounting bracket 20 descends, the lower pressure bracket 21 will press down one end of the packaging bag lifted by the sliding bracket 16. The hot pressing assembly 6 also includes four electric rollers 17. The model of the electric roller 17 is preferably a self-rotating power roller of Dongguan Lueda Machinery Conveyor Belt, two of which are installed inside the mounting bracket 20 through bearings, and the other two electric rollers 17 are installed inside the mounting groove 5 through bearings. A conveyor belt is wrapped around the two adjacent electric rollers 17. 18, and when heat sealing, the electric roller 17 will start, the conveyor belt 18 will move with the heating strip 19, and the moving heating strip 19 will move the packaging bag to the other side of the profile rack 1, and cooperate with the transmission of the belt 10. When the packaging bag moves out of the profile rack 1, the heat sealing is completed, and a plurality of heating strips 19 are provided on the outside of the conveyor belt 18. The heating strip 19 is a silicone heating sheet. The driving motor 25 will start, and the driving motor 25 will rotate with the screw rod 24. The rotating screw rod 24 will drive the mounting frame 20 to slide on the sliding rod 23. As the mounting frame 20 continues to slide down, the upper heating strip 19 will press down one end of the packaging bag. As the heating strip 19 continues to press down, the upper heating strip 19 will clamp the packaging bag with the lower heating strip 19, and then the heating strip 19 with increased temperature will heat seal the packaging bag.

[0034] Example 1

[0035] A packaging bag automatic sealing device includes a profile frame 1, a groove 2 is opened on the outer wall of one side of the top of the profile frame 1, and a belt assembly 4 is provided inside the groove 2, a placement groove 7 is opened on the outer wall of one side of the profile frame 1, and a cover plate 8 is installed on one side of the inner wall of the placement groove 7 by bolts, a mounting groove 5 is opened on the outer wall of one side of the profile frame 1, and a hot pressing assembly 6 is provided inside the mounting groove 5, and one side of the hot pressing assembly 6 is installed inside the placement groove 7, a push plate assembly 3 is installed on the outer wall of one side of the top of the profile frame 1 by bolts, and the push plate assembly 3 includes a bracket 12, and the bracket 12 is installed on the outer wall of one side of the top of the profile frame 1 by bolts, and the outer wall of one side of the bracket 12 is Two push cylinders 13 are installed with bolts. The model of the push cylinder 13 is preferably SC30*100, and a push plate 14 is installed on the output end of the push cylinder 13 through bolts. The push cylinder 13 is controlled to start. The started push cylinder 13 will move with the push plate 14, so that the position of the push plate 14 on the belt assembly 4 changes. During subsequent loading, the packaging bag to be packaged is placed on the belt assembly 4, and then the push plate 14 will limit one end of the packaging bag, so that the end of the packaging bag to be sealed extends into the hot pressing assembly 6 at a fixed length, thereby realizing the adjustment of the packaging bag and facilitating the subsequent heat sealing treatment of the hot pressing assembly 6.

[0036] Example 2

[0037] This embodiment is further defined on the basis of embodiment 1, wherein the belt assembly 4 includes four roller members 9 and a support plate 11, two of the four roller members 9 are rubber rollers, and the other two are power rollers. The four roller members 9 are mounted inside the groove 2 through bearings, and the support plate 11 is mounted inside the groove 2 through bolts. A belt 10 is wound between the four roller members 9; the hot pressing assembly 6 includes a lifting cylinder 15, and the lifting cylinder 15 model is preferably SC30*100. The lifting cylinder 15 is mounted on one side of the top inner wall of the placement groove 7 through bolts, and the output end of the lifting cylinder 15 is mounted with a sliding frame 16 through bolts. After the adjustment of the push plate 14 is completed, the lifting cylinder 15 is controlled to start, and the lifting cylinder 15 will lift the sliding frame 16 The moving sliding frame 16 will lift and lower the sealing part of the packaging bag, so that the sealed end of the packaging bag will not tilt at a large angle. During the subsequent sealing, multiple heating strips 19 can heat-seal a longer seal at one end to ensure the heat-sealing effect of the packaging bag, and the sliding frame 16 is slidably inserted into the mounting groove 7. The hot pressing assembly 6 also includes a support plate 22, which is installed in the mounting groove 7 by bolts. Two sliding rods 23 are installed on the outer wall of one side of the support plate 22 by bolts. A driving motor 25 is installed at the center of the outer wall of one side of the support plate 22 by bolts. The model of the driving motor 25 is preferably 57BYGH650-23, and the output end of the driving motor 25 is installed with a screw rod 24 through a coupling. The external thread of the screw rod 24 is connected to the mounting The mounting frame 20 is slidably connected to the inside of the mounting groove 5, and the mounting frame 20 is slidably connected to the sliding rod 23. A lower pressure frame 21 is installed on the outer wall of one side of the mounting frame 20 by bolts. As the mounting frame 20 descends, the lower pressure frame 21 will press down one end of the packaging bag lifted by the sliding frame 16. The hot pressing assembly 6 also includes four electric rollers 17. The model of the electric roller 17 is preferably the self-rotating power roller of Dongguan Lueda Machinery Conveyor Belt, two of which are installed inside the mounting frame 20 through bearings, and the other two electric rollers 17 are installed inside the mounting groove 5 through bearings. A conveyor belt 18 is wound between the two adjacent electric rollers 17, and when heat sealing, the electric roller 17 will start, and the conveyor belt 18 will bring As the heating strip 19 moves, the moving heating strip 19 will carry the packaging bag to the other side of the profile rack 1, and cooperate with the transmission of the belt 10. When the packaging bag moves out of the profile rack 1, the heat sealing is completed, and a plurality of heating strips 19 are provided on the outside of the conveyor belt 18. The heating strip 19 is a silicone heating sheet. The driving motor 25 will start, and the driving motor 25 will drive the screw rod 24 to rotate. The rotating screw rod 24 will drive the mounting frame 20 to slide on the sliding rod 23. As the mounting frame 20 continues to slide down, the heating strip 19 located above will press down one end of the packaging bag. As the heating strip 19 continues to press down, the upper heating strip 19 will clamp the packaging bag with the lower heating strip 19, and then the heating strip 19 with increased temperature will heat-seal the packaging bag.

[0038] Working principle: When heat-sealing a packaging bag with materials, the packaging bag can be placed on the belt 10 first, and then the belt 10 will move with the packaging bag on the profile rack 1 through the transmission of the roller part 9. During the movement, the drive motor 25 will start, and the drive motor 25 will drive the screw rod 24 to rotate. The rotating screw rod 24 will drive the mounting frame 20 to slide on the sliding rod 23. As the mounting frame 20 continues to slide down, the heating strip 19 located above will press down one end of the packaging bag. As the heating strip 19 continues to press down, the upper heating strip 19 will clamp the packaging bag with the lower heating strip 19, and then the heating strip 19 with increased temperature will heat-seal the packaging bag. During heat sealing, the electric roller 17 will start, and the conveyor belt 18 will move with the heating strip 19. The moving heating strip 19 will carry the packaging bag to the other side of the profile rack 1. When the packaging bag moves out of the profile rack 1, the heat sealing is completed, and when heat-sealed by this device, When sealing different packaging bags, the push cylinder 13 can be controlled to start according to the width of the packaging bag seal. The started push cylinder 13 will move the push plate 14, so that the position of the push plate 14 on the belt assembly 4 changes. During subsequent loading, the packaging bag to be packaged can be placed on the belt assembly 4, and then the push plate 14 will limit one end of the packaging bag so that the end of the packaging bag to be sealed extends into the hot pressing assembly 6 at a fixed distance. During this process, the worker does not need to accurately adjust the position of the packaging bag. Only one end of the packaging bag needs to be placed on the push plate 14 position to adjust the packaging bag. Subsequently, the lifting cylinder 15 is controlled to start, and the lifting cylinder 15 will lift the sliding frame 16. The moving sliding frame 16 will lift the sealing part of the packaging bag, so that the sealed end of the packaging bag will not be tilted at too large an angle. During subsequent sealing, multiple heating strips 19 can heat-seal a longer seal at one end to ensure the heat-sealing effect of the packaging bag.

[0039] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An automatic sealing device for packaging bags, comprising a profile frame (1), characterized in that: A groove (2) is provided on the outer wall of one side of the top of the profile frame (1), and a belt assembly (4) is provided inside the groove (2); a placement groove (7) is provided on the outer wall of one side of the profile frame (1), and a cover plate (8) is installed on one side of the inner wall of the placement groove (7) by bolts; a mounting groove (5) is provided on the outer wall of one side of the profile frame (1), and a hot pressing assembly (6) is provided inside the mounting groove (5); one side of the hot pressing assembly (6) is installed inside the placement groove (7); a push plate assembly (3) is installed on the outer wall of one side of the top of the profile frame (1) by bolts; the push plate assembly (3) includes a bracket (12); the bracket (12) is installed on the outer wall of one side of the top of the profile frame (1) by bolts; two push cylinders (13) are installed on the outer wall of one side of the bracket (12) by bolts, and a push plate (14) is installed on the output end of the push cylinder (13) by bolts.

2. The automatic sealing device for packaging bags according to claim 1, characterized in that: The belt assembly (4) comprises four roller members (9) and a support plate (11). The four roller members (9) are mounted inside the groove (2) via bearings, and the support plate (11) is mounted inside the groove (2) via bolts. A belt (10) is wound between the four roller members (9).

3. The automatic sealing device for packaging bags according to claim 1, characterized in that: The hot pressing assembly (6) includes a lifting cylinder (15), which is mounted on one side of the top of the inner wall of the placement groove (7) by means of bolts. A sliding frame (16) is mounted on the output end of the lifting cylinder (15) by means of bolts, and the sliding frame (16) is slidably inserted into the interior of the placement groove (7).

4. The automatic sealing device for packaging bags according to claim 3, characterized in that: The hot pressing assembly (6) further comprises a support plate (22), wherein the support plate (22) is mounted inside the placement groove (7) via bolts, and two sliding rods (23) are mounted on an outer wall of one side of the support plate (22) via bolts.

5. The automatic sealing device for packaging bags according to claim 4, characterized in that: A driving motor (25) is installed at the center of the outer wall of one side of the support plate (22) through bolts, and a screw rod (24) is installed at the output end of the driving motor (25) through a coupling.

6. The automatic sealing device for packaging bags according to claim 5, characterized in that: The screw rod (24) is externally threadedly connected to a mounting frame (20), and the mounting frame (20) is slidably connected to the inside of the mounting groove (5). The mounting frame (20) and the sliding rod (23) are slidably connected, and a lower pressure frame (21) is installed on the outer wall of one side of the mounting frame (20) through bolts.

7. The automatic sealing device for packaging bags according to claim 6, characterized in that: The hot pressing assembly (6) further comprises four electric rollers (17), wherein two of the electric rollers (17) are mounted inside the mounting frame (20) via bearings, and the other two electric rollers (17) are mounted inside the mounting groove (5) via bearings, a conveyor belt (18) is wound between two adjacent electric rollers (17), and a plurality of heating strips (19) are provided outside the conveyor belt (18).

Citation Information

Patent Citations

  • Automatic sealing device of packaging bag

    CN202848091U