Membrane clamping, cutting and welding mechanism

Abstract

The utility model relates to the technical field of winding packaging, in particular to a film clamping, cutting and welding mechanism which comprises a first supporting plate, a second driving air cylinder is arranged on one side of the first supporting plate, a third rotating shaft is arranged at the output end of the second driving air cylinder, and a second connecting plate is fixedly connected to the outer side of the third rotating shaft. A fixing frame is fixedly connected to the outer side of the second connecting plate, a film clamping head is arranged at the top end of the fixing frame, heating wire control mechanisms are arranged at the two ends of the fixing frame, and an electric heating wire is arranged between the heating wire control mechanisms. The film pressing roller and the film clamping head are arranged to clamp a plastic film, meanwhile, the electric heating wire is used for slitting the plastic film, then the plastic film is welded together to be sealed at the slitting position through the film welding head, and the rotatable lower bottom plate is arranged to pass through one side of a supporting film when goods are wound. And uniform tension can be kept when the film is wound, so that the packaging is firmer and more consistent.

Description

Technical Field

[0001] The utility model relates to the technical field of winding packaging, in particular to a film clamping, cutting and welding mechanism. Background Art

[0002] Stretch wrapping film packaging is a packaging method that, at room temperature, uses a mechanical stretching device or manual force to forcibly stretch the film to generate deformation stress, so as to wrap the goods tightly for transportation and storage. This packaging form is widely used in single-piece or pallet packaging of chemical raw materials, chemical fertilizers, food, electromechanical products, light textile products, etc., as well as other bundling packaging.

[0003] In the prior art, a cutter or a handheld heating device is usually used manually to cut the film. This method is time-consuming and laborious. At the same time, these heating devices generally have a relatively high temperature during heating, and smoke and peculiar smell will be generated during film cutting, which is not only not environmentally friendly but also affects the health of workers. Content of the Utility Model

[0004] Aiming at the deficiencies existing in the prior art, the utility model provides the following technical solutions:

[0005] A film clamping, cutting and welding mechanism, including a first support plate, on one side of which a second driving cylinder is arranged, the output end of the second driving cylinder is provided with a third rotating shaft, a second connecting plate is fixedly connected to the outside of the third rotating shaft, a fixing frame is fixedly connected to the outside of the second connecting plate, a film clamping head is arranged at the top of the fixing frame, heating wire control mechanisms are arranged at both ends of the fixing frame, and an electric heating wire is arranged between the heating wire control mechanisms.

[0006] As an improvement of the above technical solution, connecting frames are symmetrically arranged on one side of the fixing frame, and a film pressing roller is rotatably connected between the connecting frames.

[0007] As an improvement of the above technical solution, a film welding head is arranged on one side of the fixing frame, and a fourth driving cylinder is also arranged on one side of the fixing frame.

[0008] As an improvement of the above technical solution, a plurality of fixing rods are arranged on one side of the first support plate, the other ends of the fixing rods are fixedly connected to a first fixing plate, a first driving cylinder is arranged outside the first fixing plate, the output end of the first driving cylinder is fixedly connected to a first rotating shaft, a connecting rod is fixedly connected to the outside of the first rotating shaft, the other end of the connecting rod is fixedly connected to a second rotating shaft, and a lower bottom plate is fixedly connected to the outside of the second rotating shaft.

[0009] As an improvement of the above technical solution, first connecting plates are symmetrically arranged on one side of the first support plate, a second support plate is arranged on the other side of the first connecting plates, and a plurality of pneumatic component control solenoid valves are arranged outside the second support plate.

[0010] As an improvement of the above technical solution, rotating rods are rotatably connected to both sides of the second connecting plate, the other ends of the rotating rods are rotatably connected to both sides of the fourth driving cylinder, a third driving cylinder is arranged at the top end of the second connecting plate, and the other end of the third driving cylinder is arranged between the rotating rods.

[0011] As an improvement of the above technical solution, a junction box is arranged between the fixing frame and the fourth driving cylinder, and second fixing plates are arranged at the bottoms of the first supporting plate and the second supporting plate.

[0012] Advantages of the utility model:

[0013] By providing a rotatable lower bottom plate to pass through one side of the support film when winding goods, it is ensured that the film can maintain a uniform tension during winding, so that the packaging is more firm and consistent. At the same time, the lower bottom plate can ensure the stability of the film, making the film cutting and welding processes more precise. The lower bottom plate provides a flat surface, so that the film will not move or deform during cutting and welding, thereby improving the accuracy of cutting and welding. At the same time, the welded film will not fall off during transportation and due to natural factors such as weather wind, temperature, and light irradiation, which affects the appearance and packaging quality. By providing a film pressing roller and a film clamping head to clamp the plastic film and using heating wires to slit the plastic film, and then welding the plastic film together at the slit by a welding film head to seal it. Description of the drawings

[0014] Figure 1 is a structural schematic diagram of the utility model;

[0015] Figure 2 is a structural schematic diagram of the film pressing roller in the utility model;

[0016] Figure 3 is a bottom view of the utility model.

[0017] Reference numerals: 1, first supporting plate; 2, fixing rod; 3, first fixing plate; 4, lower bottom plate; 5, first driving cylinder; 6, connecting rod; 7, first rotating shaft; 8, second rotating shaft; 9, second driving cylinder; 10, first connecting plate; 11, second supporting plate; 12, third rotating shaft; 13, film pressing roller; 14, heating wire; 15, connecting frame; 16, fixing frame; 17, third driving cylinder; 18, film clamping head; 19, pneumatic component control solenoid valve; 20, junction box; 21, rotating rod; 22, welding film head; 23, second fixing plate; 24, fourth driving cylinder; 25, heating wire control mechanism; 26, second connecting plate. Detailed implementation manners

[0018] In order to make the purpose, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0019] Please refer to Figures 1 - 3 As shown, the film clamping, cutting and welding mechanism provided by the present utility model includes a first support plate 1. A second driving cylinder 9 is arranged on one side of the first support plate 1. The output end of the second driving cylinder 9 is provided with a third rotating shaft 12. A second connecting plate 26 is fixedly connected to the outside of the third rotating shaft 12. A fixing frame 16 is fixedly connected to the outside of the second connecting plate 26. A film clamping head 18 is arranged at the top of the fixing frame 16. Heating wire control mechanisms 25 are arranged at both ends of the fixing frame 16. A heating wire 14 is arranged between the heating wire control mechanisms 25.

[0020] Specifically, start the second driving cylinder 9 to drive the third rotating shaft 12 to move. When the third rotating shaft 12 starts to rotate, it will drive the fixing frame 16 outside it to rotate back and forth together. When the fixing frame 16 rotates, it will drive the film clamping head 18 and the heating wire 14 to rotate so as to adjust their directions. The heating wire 14 functions to cut the film. The film clamping head 18 can slide outside the fixing frame 16 to clamp the plastic film and facilitate the heating wire 14 to melt and cut it. The heating wire control mechanism 25 is used to tension and fix the heating wire 14.

[0021] Please refer to Figures 1 - 3 , connecting frames 15 are symmetrically arranged on one side of the fixing frame 16. A film pressing roller 13 is rotatably connected between the connecting frames 15.

[0022] Specifically, the film pressing roller 13 can be used to convey and position the plastic film, control the tension of the film, prevent the film from wrinkling and deforming, improve the winding speed and efficiency, and ensure the uniformity and consistency of the film, playing a key role in the mechanism.

[0023] Please refer to Figures 1 - 3 , a film welding head 22 is arranged on one side of the fixing frame 16. A fourth driving cylinder 24 is also arranged on one side of the fixing frame 16.

[0024] Specifically, the film welding head 22 is divided into upper and lower parts, which are used to heat and fuse the edges of the film to make it a sealed package. The film welding head 22 is a machined part with a Teflon coating on its outer surface, hollow in the middle, and a heating tube is installed inside. The heating tube is connected to a temperature controller module to achieve adjustable temperature, visual temperature digital display, and functions such as setting ultra-low and ultra-high temperature limits and alarms. The fourth driving cylinder 24 is used to drive the film clamping head 18 to move up and down to clamp the plastic film.

[0025] Please refer to Figures 1 - 3, on one side of the first support plate 1, several fixing rods 2 are provided. The other end of the fixing rod 2 is fixedly connected to a first fixing plate 3. On the outer side of the first fixing plate 3, a first driving cylinder 5 is provided. The output end of the first driving cylinder 5 is fixedly connected to a first rotating shaft 7. On the outer side of the first rotating shaft 7, a connecting rod 6 is fixedly connected. The other end of the connecting rod 6 is fixedly connected to a second rotating shaft 8. On the outer side of the second rotating shaft 8, a lower bottom plate 4 is fixedly connected.

[0026] Specifically, the first driving cylinder 5 drives the first rotating shaft 7 to rotate, and then drives the second rotating shaft 8 to rotate through the connecting rod 6, thereby driving the lower bottom plate 4 to rotate. When the lower bottom plate 4 winds the goods, it passes through one side of the support film to ensure that the film can maintain a uniform tension during winding, so that the packaging is more firm and consistent. At the same time, the lower bottom plate 4 can ensure the stability of the film, making the film cutting and welding processes more accurate. The lower bottom plate 4 provides a flat surface, so that the film will not move or deform during cutting and welding, thereby improving the accuracy of cutting and welding.

[0027] Please refer to Figures 1 - 3 , on one side of the first support plate 1, first connecting plates 10 are symmetrically provided. On the other side of the first connecting plate 10, a second support plate 11 is provided. On the outer side of the second support plate 11, several pneumatic component control solenoid valves 19 are provided.

[0028] Specifically, the pneumatic component control solenoid valve 19 is used to control the gas flow to control the pneumatic system to start the driving cylinder, and it has the characteristics of fast response, precise control, high reliability, automated control and strong adaptability. The first connecting plate 10 is used to connect the first support plate 10 and the second support plate 11. The second support plate 11 is also an electrical component mounting plate.

[0029] Please refer to Figures 1 - 3 , on both sides of the second connecting plate 26, rotating rods 21 are rotatably connected. The other end of the rotating rod 21 is rotatably connected to both sides of the fourth driving cylinder 24. At the top of the second connecting plate 26, a third driving cylinder 17 is provided. The other end of the third driving cylinder 17 is arranged between the rotating rods 21.

[0030] Specifically, the rotating rod 21 is used to assist the fixing frame 16 to rotate. The third driving cylinder 17 is used to drive the fixing frame 16 to rotate in the left - right direction to get closer to the plastic film.

[0031] Please refer to Figures 1 - 3 , between the fixing frame 16 and the fourth driving cylinder 24, a junction box 20 is provided. At the bottoms of both the first support plate 1 and the second support plate 11, second fixing plates 23 are provided.

[0032] Specifically, the junction box 20 is used to transition and protect the heating wire 14 and is convenient for maintenance. The second fixing plate 23 is a component for strengthening the connection.

[0033] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it.

Claims

1. A film clamping, cutting and welding mechanism, comprising a first support plate (1), characterized in that: A second driving cylinder (9) is provided on one side of the first supporting plate (1), a third rotating shaft (12) is provided at the output end of the second driving cylinder (9), a second connecting plate (26) is fixedly connected to the outer side of the third rotating shaft (12), a fixing frame (16) is fixedly connected to the outer side of the second connecting plate (26), a film clamping head (18) is provided at the top end of the fixing frame (16), heating wire control mechanisms (25) are provided at both ends of the fixing frame (16), and an electric heating wire (14) is provided between the heating wire control mechanisms (25).

2. The film clamping, cutting and welding mechanism according to claim 1, characterized in that: A connecting frame (15) is symmetrically arranged on one side of the fixed frame (16), and a film pressing roller (13) is rotatably connected between the connecting frames (15).

3. The film clamping, cutting and welding mechanism according to claim 1, characterized in that: A welding film head (22) is provided on one side of the fixing frame (16), and a fourth driving cylinder (24) is also provided on one side of the fixing frame (16).

4. The film clamping, cutting and welding mechanism according to claim 1, characterized in that: A plurality of fixing rods (2) are provided on one side of the first support plate (1); the other end of the fixing rod (2) is fixedly connected to the first fixing plate (3); a first driving cylinder (5) is provided on the outer side of the first fixing plate (3); the output end of the first driving cylinder (5) is fixedly connected to the first rotating shaft (7); the outer side of the first rotating shaft (7) is fixedly connected to a connecting rod (6); the other end of the connecting rod (6) is fixedly connected to a second rotating shaft (8); and the outer side of the second rotating shaft (8) is fixedly connected to the lower base plate (4).

5. The film clamping, cutting and welding mechanism according to claim 1, characterized in that: A first connecting plate (10) is symmetrically arranged on one side of the first supporting plate (1), a second supporting plate (11) is arranged on the other side of the first connecting plate (10), and a plurality of pneumatic control solenoid valves (19) are arranged on the outer side of the second supporting plate (11).

6. The film clamping, cutting and welding mechanism according to claim 1, characterized in that: The second connecting plate (26) is rotatably connected to rotating rods (21) on both sides, and the other end of the rotating rod (21) is rotatably connected to both sides of a fourth driving cylinder (24). A third driving cylinder (17) is arranged at the top end of the second connecting plate (26), and the other end of the third driving cylinder (17) is arranged between the rotating rods (21).

7. The film clamping, cutting and welding mechanism according to claim 3, characterized in that: A junction box (20) is provided between the fixing frame (16) and the fourth driving cylinder (24), and a second fixing plate (23) is provided at the bottom of each of the first supporting plate (1) and the second supporting plate (11).

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