Tension self-adaptive adjusting structure for plastic film conveying

Abstract

The utility model discloses a tension self-adaptation adjusting structure for plastic film conveying, and particularly relates to the technical field of film packaging equipment, the tension self-adaptation adjusting structure comprises two assembly frames, sliding frames are arranged on the front sides of the two assembly frames, adjusting assemblies are arranged on the front sides of the sliding frames, a plurality of capacitive tension sensors are arranged at the bottoms of the adjusting assemblies, and the capacitive tension sensors are arranged on the front sides of the sliding frames. Detection rods are fixedly arranged at the bottoms of the multiple capacitive tension sensors, and a moving assembly is arranged on one side of the sliding frame. According to the utility model, the adjusting assembly is arranged, so that the device can adapt to different mounting sizes of the plastic film coiling machine in a larger range, can be quickly mounted, and has the functions of measuring and adjusting the tension of the conveyed plastic film; therefore, the problems that the tension adjusting mechanism of the plastic film coiling machine is usually matched with the plastic film coiling machine for installation and design, so that the plastic film coiling machine with different installation size requirements is difficult to meet and install, and the production cost is increased are solved.

Description

Technical Field

[0001] This utility model relates to the field of film packaging equipment technology, and more specifically, to a tension adaptive adjustment structure for conveying plastic film. Background Technology

[0002] A plastic film winding machine is a device specifically designed to wind plastic film into rolls. It is widely used in packaging, printing, electronics, textiles, and many other industries. During the winding process, the film is fed into the winding mechanism by a traction device. Through the rotation of the winding rollers and the action of the tension control device, the film is tightly wound onto the winding core. The control system adjusts the winding speed and tension in real time according to preset parameters and the actual condition of the film to ensure winding quality. However, in actual use, the tension adjustment mechanism of the plastic film winding machine is usually designed and installed in conjunction with the plastic film winding machine itself. Therefore, it is difficult to meet the installation requirements of plastic film winding machines with different installation sizes, thus increasing production costs. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the present invention provides a tension adaptive adjustment structure for conveying plastic film to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a tension adaptive adjustment structure for conveying plastic film, comprising two assembly frames, each assembly frame having a sliding frame on its front side, an adjustment component on its front side, a plurality of capacitive tension sensors at the bottom of the adjustment component, a probe fixedly mounted on the bottom of each capacitive tension sensor, and a moving component on one side of the sliding frame.

[0005] As a further description of the above technical solution:

[0006] The adjustment assembly includes a center plate disposed between the assembly frames. A control circuit board is fixedly mounted on the top of the center plate. Multiple first movable shells are fixedly mounted between the center plate and the assembly frames. The multiple first movable shells are slidably connected to each other. Two wireless electric cylinders are fixedly mounted on both sides of the center plate. The two wireless electric cylinders pass through the first movable shells and extend to the front side of the first movable shells.

[0007] As a further description of the above technical solution:

[0008] Both wireless electric cylinder output ends are fixedly connected to the assembly frame. The bottom of the center plate is provided with an L-shaped plate. A telescopic rod is fixedly provided at the bottom of the L-shaped plate. A central support plate is fixedly provided at one end of the telescopic rod. First support plates are provided on both sides of the central support plate. Multiple second movable shells are fixedly provided between the first support plates and the central support plate.

[0009] As a further description of the above technical solution:

[0010] Multiple second movable shells are slidably connected to each other. A second support plate is provided on one side of the first support plate. Multiple third movable shells are fixedly provided between the second support plate and the first support plate. Multiple third movable shells are slidably connected to each other. A slide table is fixedly provided on one side of the second support plate.

[0011] As a further description of the above technical solution:

[0012] An electric slide rail is provided on one side of the slide table. The electric slide rail is fixedly connected to the slide frame. The bottom of the middle support plate, the first support plate, and the second support plate are all fixedly connected to a capacitive tension sensor.

[0013] As a further description of the above technical solution:

[0014] The moving component includes two first electric push rods disposed on one side of the sliding frame. One end of each of the two first electric push rods is fixedly provided with a connecting frame, which is fixedly connected to the assembly frame. The output ends of both first electric push rods are fixedly connected to the sliding frame.

[0015] As a further description of the above technical solution:

[0016] A central frame is fixedly provided on one side of the central plate, and a second electric push rod is fixedly provided on one side of the central frame. The output end of the second electric push rod is fixedly connected to the L-shaped plate.

[0017] The technical effects and advantages of this utility model are as follows:

[0018] By setting up adjustment components, compared with the prior art, through the action of wireless electric cylinders and electric slide rails, this utility model can adapt to plastic film roll machines with different installation requirements and measure the tension of the plastic film surface, thereby improving the installation adaptability of this utility model.

[0019] By incorporating a movable component, compared to existing technologies, the first and second electric push rods enable multiple capacitive tension sensors and probes to perform movable tension measurements at different locations on the surface of the plastic film being conveyed, thereby improving the reliability of tension measurement. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0021] Figure 2 This is a cross-sectional view of the telescopic rod of this utility model.

[0022] Figure 3This is a cross-sectional view of the central plate of this utility model.

[0023] Figure 4 This is a schematic diagram of the electric slide rail structure of this utility model.

[0024] The attached figures are labeled as follows: 1. Assembly frame; 2. Sliding frame; 3. Capacitive tension sensor; 4. Probe rod; 5. Center plate; 6. Control circuit board; 7. First movable shell; 8. Wireless electric cylinder; 9. L-shaped plate; 10. Telescopic rod; 11. Middle support plate; 12. Second movable shell; 13. First support plate; 14. Second support plate; 15. Third movable shell; 16. Slide table; 17. Electric slide rail; 18. First electric push rod; 19. Connecting frame; 20. Center frame; 21. Second electric push rod. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] As attached Figure 1-4 The illustrated tension adaptive adjustment structure for conveying plastic film includes two assembly frames 1, each with a sliding frame 2 on its front side, an adjustment component on its front side, multiple capacitive tension sensors 3 at the bottom of the adjustment component, a probe 4 fixedly attached to the bottom of each capacitive tension sensor 3, and a moving component on one side of the sliding frame 2.

[0027] In some embodiments, according to Figure 1 As shown, the adjustment assembly includes a center plate 5 disposed between the assembly frames 1, a control circuit board 6 fixedly disposed on the top of the center plate 5, a plurality of first movable shells 7 fixedly disposed between the center plate 5 and the assembly frame 1, the plurality of first movable shells 7 being slidably connected to each other, and two wireless electric cylinders 8 fixedly disposed on both sides of the center plate 5, the two wireless electric cylinders 8 passing through the first movable shells 7 and extending to the front side of the first movable shells 7.

[0028] In some embodiments, according to Figure 2 , 3As shown in Figure 4, the output ends of the two wireless electric cylinders 8 are fixedly connected to the assembly frame 1. The bottom of the center plate 5 is provided with an L-shaped plate 9, and a telescopic rod 10 is fixedly provided at the bottom of the L-shaped plate 9. A middle support plate 11 is fixedly provided at one end of the telescopic rod 10. First support plates 13 are provided on both sides of the middle support plate 11. Multiple second movable shells 12 are fixedly provided between the first support plate 13 and the middle support plate 11. The telescopic rod 10 can extend and retract in coordination with the movement of the middle support plate 11, and at the same time provide support for the middle support plate 11.

[0029] In some embodiments, according to Figure 2 , 3 As shown in Figure 4, multiple second movable shells 12 are slidably connected to each other. A second support plate 14 is provided on one side of the first support plate 13. Multiple third movable shells 15 are fixedly provided between the second support plate 14 and the first support plate 13. Multiple third movable shells 15 are slidably connected to each other. A slide table 16 is fixedly provided on one side of the second support plate 14.

[0030] In some embodiments, according to Figure 2 , 4 As shown, an electric slide rail 17 is provided on one side of the slide table 16. The electric slide rail 17 is fixedly connected to the slide frame 2. The bottom of the middle support plate 11, the first support plate 13, and the second support plate 14 are all fixedly connected to the capacitive tension sensor 3. The capacitive tension sensor 3 is an instrument used to measure the tension value of the roll material during the tension control process. Its working principle is mainly based on the strain resistance effect or Heck's law, that is, the elastic body will deform after being subjected to force, and this deformation is proportional to the applied force.

[0031] In some embodiments, according to Figure 1 , 4 As shown, the moving component includes two first electric push rods 18 disposed on one side of the sliding frame 2. One end of each of the two first electric push rods 18 is fixedly provided with a connecting frame 19, which is fixedly connected to the assembly frame 1. The output ends of the two first electric push rods 18 are both fixedly connected to the sliding frame 2.

[0032] In some embodiments, according to Figure 4 As shown, a central frame 20 is fixedly mounted on one side of the central plate 5, and a second electric push rod 21 is fixedly mounted on one side of the central frame 20. The output end of the second electric push rod 21 is fixedly connected to the L-shaped plate 9. The first electric push rod 18 and the second electric push rod 21 enable the capacitive tension sensor 3 to perform moving tension detection on the plastic film being transported.

[0033] The working principle of this utility model is as follows: (refer to the appendix of the instruction manual) Figure 1-4As shown, firstly, the wireless electric cylinder 8 is activated to drive the assembly frame 1 to move away from the center plate 5. While the assembly frame 1 moves, it drives multiple first movable shells 7 to slide and extend, thereby causing the connecting frame 19 to move synchronously with the assembly frame 1. While the connecting frame 19 moves, it drives the first electric push rod 18 to move synchronously. The first electric push rod 18 then drives the sliding frame 2 to move synchronously, thereby causing the sliding frame 2 to drive the electric slide rail 17 and the slide table 16 to move synchronously. The slide table 16 then drives the second support plate 14 and the first support plate 13 to move away from the central support plate 11, thereby causing the second movable shell 12 and the third movable shell 15 to slide and extend until the installation size of the plastic film roll machine that requires tension adjustment is met.

[0034] Then, the assembly frame 1 is installed on the top of the plastic film roll machine frame using bolts and other fasteners. Then, the electric push rod is started to drive the slide table 16 to work. The slide table 16 then drives the second support plate 14, the first support plate 13 and the middle support plate 11 to move up and down as a whole. While the middle support plate 11 moves, it drives the telescopic rod 10 to extend and retract, so that the capacitive tension sensor 3 (using PFCL201C tension sensor) and the probe 4 move synchronously to the top of the plastic film being conveyed, and the probe 4 contacts the top of the plastic film.

[0035] Then, the first electric push rod 18 is started to drive the entire carriage to move slowly back and forth along the conveying direction of the plastic film. At the same time, the second electric push rod 21 is started to drive the L-shaped plate 9 to drive the telescopic rod 10 and the carriage to make multiple capacitive tension sensors 3 and probes 4 move slowly back and forth in the conveying direction of the plastic film to detect the tension on the surface of the conveyed plastic film.

[0036] When the capacitive tension sensor 3 detects that the surface tension of the plastic film is too high or too low, it can transmit the signal to the control circuit board 6. The control circuit board 6 adjusts the conveying speed of the plastic film rolling machine by controlling the motor of the plastic film rolling machine, thereby adjusting the tension of the plastic film.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A plastic film conveying tension self-adapting adjusting structure, comprising two assembling frames (1), characterized in that: Two said assembly frame (1) front side is equipped with slide frame (2), the slide frame (2) front side is equipped with adjusting assembly, the adjusting assembly bottom is equipped with a plurality of capacitive tension sensor (3), a plurality of capacitive tension sensor (3) bottom is fixedly provided with probe rod (4), the slide frame (2) one side is equipped with moving assembly.

2. The plastic film conveying tension self-adapting adjusting structure according to claim 1, characterized in that: The adjusting assembly includes a center plate (5) disposed between the assembly frames (1), the center plate (5) top is fixedly provided with a control circuit board (6), the center plate (5) and the assembly frames (1) are fixedly provided with a plurality of first movable shells (7), a plurality of the first movable shells (7) are slidably connected, the center plate (5) both sides are fixedly provided with two wireless electric cylinders (8), two the wireless electric cylinders (8) are all through the first movable shell (7) and extend to the front side of the first movable shell (7).

3. The plastic film conveying tension self-adapting adjusting structure according to claim 2, characterized in that: Two said wireless electric cylinders (8) output end is fixedly connected with assembly frame (1), the center plate (5) bottom is equipped with L-shaped plate (9), the L-shaped plate (9) bottom is fixedly provided with telescopic rod (10), the telescopic rod (10) one end is fixedly provided with middle support plate (11), the middle support plate (11) both sides are equipped with first support plate (13), the first support plate (13) and the middle support plate (11) are fixedly provided with a plurality of second movable shells (12).

4. The plastic film conveying tension self-adapting adjusting structure according to claim 3, characterized in that: A plurality of said second movable shells (12) are slidably connected, the first support plate (13) one side is equipped with second support plate (14), the second support plate (14) and the first support plate (13) are fixedly provided with a plurality of third movable shells (15), a plurality of the third movable shells (15) are slidably connected, the second support plate (14) one side is fixedly provided with slide table (16).

5. The plastic film conveying tension self-adapting adjusting structure according to claim 4, characterized in that: The slide table (16) one side is equipped with electric slide rail (17), the electric slide rail (17) and the slide frame (2) are fixedly connected, the middle support plate (11), the first support plate (13) and the second support plate (14) bottom are fixedly connected with capacitive tension sensor (3).

6. The plastic film conveying tension self-adapting adjusting structure according to claim 1, characterized in that: The moving assembly includes two first electric push rods (18) disposed on one side of the slide frame (2), two said first electric push rods (18) one end is fixedly provided with connecting frame (19), the connecting frame (19) and the assembly frame (1) are fixedly connected, two said first electric push rods (18) output end is fixedly connected with the slide frame (2).

7. The plastic film conveying tension self-adapting adjusting structure according to claim 2, characterized in that: The center plate (5) one side is fixedly provided with center frame (20), the center frame (20) one side is fixedly provided with second electric push rod (21), the second electric push rod (21) output end is fixedly connected with L-shaped plate (9).

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