Plastic film heat sealing device

Abstract

The utility model relates to the technical field of plastic film heat sealing, and discloses a plastic film heat sealing device which comprises a machining table, a cooling assembly is arranged on the inner side of the machining table and used for accelerating cooling of a plastic film, a gasket is fixedly connected to the top side of the machining table, and a heat sealing strip is arranged at the top of the gasket and used for cooling the plastic film. A mounting frame is fixedly connected to the top side of the machining table, a second hydraulic rod is fixedly connected to the top side of the mounting frame, a mounting plate is fixedly connected to the telescopic end of the second hydraulic rod, rotating plates are rotatably connected to the interiors of the left side and the right side of the mounting plate, and flattening rollers are rotatably connected to the front sides and the rear sides of the rotating plates. According to the utility model, the plurality of flattening rollers roll on the moving surface of the plastic film to flatten the plastic film, so that wrinkles on the surface of the plastic film are prevented, water flows to absorb heat of the plastic film so as to quickly cool and cure the plastic film, and the firmness and stability of sealing are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic film heat sealing, in particular to a plastic film heat sealing device. Background Art

[0002] Plastic film heat sealing is a common packaging process, which is used to heat and seal the opening of bags, packaging bags or packaging materials made of plastic film to ensure the sealing and freshness of the packaging. This technology is widely used in food packaging, pharmaceutical packaging, industrial product packaging and many other fields.

[0003] Heat sealing is suitable for thermoplastics, such as polyethylene, polypropylene, and polyvinyl chloride. These plastic materials can soften and bond to other surfaces of the same or similar materials after heating. After the plastic film is made into a bag or packaging form, the sealing area needs to be placed under a heat sealer or heat seal bar. The heated sealing area needs to be ensured to fully contact the two plastic film surfaces by applying a certain amount of pressure.

[0004] The existing plastic film heat sealing device lacks a structure for flattening the plastic film. Wrinkles appear on the plastic film during heat sealing, which makes it difficult for the plastic film heat sealing device to evenly apply heat and pressure, thereby affecting the heat sealing effect of the plastic film. Therefore, a plastic film heat sealing device is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a plastic film heat sealing device, which aims to improve the problem in the prior art that wrinkles appear on the plastic film, thereby affecting the heat sealing effect of the plastic film.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A plastic film heat sealing device comprises a processing table, a cooling component is arranged inside the processing table, the cooling component is used to accelerate the cooling of the plastic film, a gasket is fixedly connected to the top side of the processing table, a heat sealing strip is arranged on the top of the gasket, a mounting frame is fixedly connected to the top side of the processing table, a hydraulic rod 2 is fixedly connected to the top side of the mounting frame, a mounting plate is fixedly connected to the telescopic end of the hydraulic rod 2, a rotating plate is rotatably connected to the inside of the left and right sides of the mounting plate, a flattening roller is rotatably connected to the front and rear sides of the rotating plate, two mounting rods are rotatably connected to the bottom side of the mounting plate, a telescopic rod is slidably connected to the inside of the mounting rod, and one end of the telescopic rod is rotatably connected to one side of the rotating plate;

[0008] As a further description of the above technical solution:

[0009] The cooling component includes a water pump, which is fixedly connected to the inner side of the processing table, and the input and output ends of the water pump are fixedly connected to water pipes, the inner side of the processing table is fixedly connected to a water storage tank, and the top side of the water storage tank is fixedly connected to an addition pipe, one of the water pipes passes through the processing table and the gasket in the middle, one end of one of the water pipes is fixedly connected to the top of the left side of the water storage tank, and the other end of the water pipe is fixedly connected to the inside of the right side of the water storage tank;

[0010] As a further description of the above technical solution:

[0011] The other end of the telescopic rod is fixedly connected to a limit block, and the limit block is slidably connected to the inside of the mounting rod;

[0012] As a further description of the above technical solution:

[0013] A spring is fixedly connected to one side of the limit block, and one end of the spring is fixedly connected to the inside of the mounting rod;

[0014] As a further description of the above technical solution:

[0015] A cooler is fixedly connected to the inner side of the water storage tank;

[0016] As a further description of the above technical solution:

[0017] The top side of the installation frame is fixedly connected to a hydraulic rod 1, the telescopic end of the hydraulic rod 1 is fixedly connected to a pressing plate, and the heat sealing strip is fixedly connected to the bottom side of the pressing plate;

[0018] As a further description of the above technical solution:

[0019] Two guide rods are slidably connected inside the top side of the installation frame, and the bottom ends of the guide rods are fixedly connected to the top side of the pressure plate;

[0020] As a further description of the above technical solution:

[0021] A sealing door is rotatably connected to the inner side of the processing table.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, after placing the plastic film on the top side of the processing table, the hydraulic rod 2 is started, and the telescopic end of the hydraulic rod 2 is extended to push multiple flattening rollers to move toward the plastic film. The multiple flattening rollers roll on the moving surface of the plastic film to flatten the plastic film, thereby preventing wrinkles on the surface of the plastic film from affecting the heat sealing effect of the plastic film.

[0024] 2. In the utility model, after the heat sealing is completed, the water pump can be started to drive the water flow inside the water storage tank to flow inside the water pipe so that the water flow absorbs the heat of the plastic film to quickly cool and solidify the plastic film, thereby ensuring the firmness and stability of the seal. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a plastic film heat sealing device proposed by the utility model;

[0026] Figure 2 This is a structural schematic diagram of a mounting rod of a plastic film heat sealing device proposed by the utility model;

[0027] Figure 3 This is a schematic structural diagram of a water storage tank of a plastic film heat sealing device proposed by the utility model;

[0028] Figure 4 The present invention is a schematic structural diagram of a pressure plate of a plastic film heat sealing device provided by the present invention.

[0029] Legend:

[0030] 1. Mounting plate; 2. Pressing plate; 3. Mounting rod; 4. Telescopic rod; 5. Flattening roller; 6. Processing table; 7. Sealing door; 8. Water storage tank; 9. Water pipe; 10. Water pump; 11. Gasket; 12. Rotating plate; 13. Heat sealing strip; 14. Mounting frame; 15. Guide rod; 16. Hydraulic rod one; 17. Hydraulic rod two; 18. Limit block; 19. Spring; 20. Cooler; 21. Adding pipe. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1 , Figure 2The utility model provides an embodiment: a plastic film heat sealing device, including a processing table 6, the processing table 6 is used to provide a space for heat sealing of the plastic film, a gasket 11 is fixedly connected to the top side of the processing table 6, a heat sealing strip 13 is arranged on the top of the gasket 11, and the heat sealing strip 13 cooperates with the gasket 11 to heat seal the plastic film, a mounting frame 14 is fixedly connected to the top side of the processing table 6, the mounting frame 14 is used to install other structures, and a hydraulic rod 17 is fixedly connected to the top side of the mounting frame 14, and the hydraulic rod 17 is used to push the mounting The plate 1 moves, and the telescopic end of the hydraulic rod 2 17 is fixedly connected with the mounting plate 1, and the mounting plate 1 is used to install the rotating plate 12. The rotating plates 12 are rotatably connected inside the left and right sides of the mounting plate 1. The rotating plate 12 is used to install the flattening roller 5. The flattening roller 5 is rotatably connected to the front and back sides of the rotating plate 12. The rotation of the flattening roller 5 enables the plastic film to be flattened before heat sealing to ensure the uniformity and quality of the sealing. The bottom side of the mounting plate 1 is rotatably connected with two mounting rods 3, and the mounting rod 3 is slidably connected with the telescopic rod 4. The telescopic rod 4 One end is rotatably connected to one side of the rotating plate 12, and the telescopic rod 4 slides inside the mounting rod 3 to pull the rotating plate 12 to rotate. The other end of the telescopic rod 4 is fixedly connected to a limit block 18, and the limit block 18 is slidably connected to the inside of the mounting rod 3. The limit block 18 slides inside the mounting rod 3 to prevent the telescopic rod 4 from falling off from the inside of the mounting rod 3. A spring 19 is fixedly connected to one side of the limit block 18, and one end of the spring 19 is fixedly connected to the inside of the mounting rod 3. The spring 19 is used to pull the telescopic rod 4 to slide inside the mounting rod 3, and the mounting frame 14 A hydraulic rod 16 is fixedly connected to the top side, and the hydraulic rod 16 is used to drive the pressure plate 2 to move. The telescopic end of the hydraulic rod 16 is fixedly connected to the pressure plate 2, and the pressure plate 2 is used to press the plastic film. The heat sealing strip 13 is fixedly connected to the bottom side of the pressure plate 2. Two guide rods 15 are slidably connected inside the top side of the installation frame 14. The bottom end of the guide rod 15 is fixedly connected to the top side of the pressure plate 2. Installing the guide rod 15 can make the pressure plate 2 and the heat sealing strip 13 move smoothly. A sealing door 7 is rotatably connected to the inner side of the processing table 6, and the sealing door 7 is used to seal the processing table 6.

[0033] Reference Figure 1 , Figure 3 and Figure 4A cooling component is provided on the inner side of the processing table 6, and the cooling component is used to accelerate the cooling of the plastic film. The cooling component includes a water pump 10, which is fixedly connected to the inner side of the processing table 6. The water pump 10 is used to drive the water flow. The input and output ends of the water pump 10 are fixedly connected to a water pipe 9, and the water pipe 9 is used to transport the water flow. A water tank 8 is fixedly connected to the inner side of the processing table 6, and the water tank 8 is used to store the water flow. An adding pipe 21 is fixedly connected to the top side of the water tank 8, and water flow can be added to the inside of the water tank 8 through the adding pipe 21. One of the water pipes 9 runs through the processing table 6 and the gasket 11 in the middle, one end of one of the water pipes 9 is fixedly connected to the top of the left side of the water tank 8, and one end of the other water pipe 9 is fixedly connected to the inside of the right side of the water tank 8. A cooler 20 is fixedly connected to the inside of the water tank 8, and the cooler 20 is used to cool the water flow.

[0034] Working principle: When using the device, place the plastic film on the top side of the processing table 6 and place the sealing part on the top side of the gasket 11, then start the hydraulic rod 17, the telescopic end of the hydraulic rod 17 is extended to push the multiple flattening rollers 5 to move toward the plastic film, the telescopic end of the hydraulic rod 17 continues to extend to push the multiple flattening rollers 5 to move on the surface of the plastic film to flatten the plastic film to ensure the uniformity and quality of the seal, then start the hydraulic rod 16, the telescopic end of the hydraulic rod 16 is extended to push the pressing plate 2 and the heat sealing strip 13 to move toward the plastic film. The pressing plate 2 presses and fixes the plastic film, and the heat sealing strip 13 can heat-seal the plastic film. After the heat sealing is completed, start the water pump 10, the water pump 10 drives the water flow to flow inside the water pipe 9, and the water flow can absorb the heat of the plastic film when passing through the gasket 11, thereby accelerating the cooling and solidification of the plastic film, ensuring the firmness and stability of the seal.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plastic film heat sealing device, comprising a processing table (6), characterized in that: A cooling component is arranged on the inner side of the processing table (6), and the cooling component is used to accelerate the cooling of the plastic film. A gasket (11) is fixedly connected to the top side of the processing table (6), and a heat sealing strip (13) is arranged on the top of the gasket (11). A mounting frame (14) is fixedly connected to the top side of the processing table (6), and a hydraulic rod 2 (17) is fixedly connected to the top side of the mounting frame (14). The telescopic end of the hydraulic rod 2 (17) is fixedly connected to a mounting plate (1). The left and right sides of the mounting plate (1) are both rotatably connected to a rotating plate (12), and the front and rear sides of the rotating plate (12) are both rotatably connected to flattening rollers (5). The bottom side of the mounting plate (1) is rotatably connected to two mounting rods (3), and a telescopic rod (4) is slidably connected to the inside of the mounting rod (3), and one end of the telescopic rod (4) is rotatably connected to one side of the rotating plate (12).

2. A plastic film heat sealing device according to claim 1, characterized in that: The cooling component comprises a water pump (10), the water pump (10) is fixedly connected to the inner side of the processing table (6), the input end and the output end of the water pump (10) are both fixedly connected to a water pipe (9), the inner side of the processing table (6) is fixedly connected to a water storage tank (8), the top side of the water storage tank (8) is fixedly connected to an addition pipe (21), the middle part of one of the water pipes (9) passes through the processing table (6) and the gasket (11), one end of one of the water pipes (9) is fixedly connected to the top of the left side of the water storage tank (8), and the other end of the water pipe (9) is fixedly connected to the inside of the right side of the water storage tank (8).

3. A plastic film heat sealing device according to claim 1, characterized in that: The other end of the telescopic rod (4) is fixedly connected to a limit block (18), and the limit block (18) is slidably connected inside the mounting rod (3).

4. A plastic film heat sealing device according to claim 3, characterized in that: A spring (19) is fixedly connected to one side of the limit block (18), and one end of the spring (19) is fixedly connected to the inside of the mounting rod (3).

5. A plastic film heat sealing device according to claim 2, characterized in that: A cooler (20) is fixedly connected to the inner side of the water storage tank (8).

6. A plastic film heat sealing device according to claim 1, characterized in that: The top side of the installation frame (14) is fixedly connected to a hydraulic rod (16), the telescopic end of the hydraulic rod (16) is fixedly connected to a pressure plate (2), and the heat sealing strip (13) is fixedly connected to the bottom side of the pressure plate (2).

7. A plastic film heat sealing device according to claim 6, characterized in that: Two guide rods (15) are slidably connected inside the top side of the installation frame (14), and the bottom ends of the guide rods (15) are fixedly connected to the top side of the pressure plate (2).

8. A plastic film heat sealing device according to claim 1, characterized in that: A sealing door (7) is rotatably connected to the inner side of the processing table (6).

Images