Film winding device with tension adjusting structure

Abstract

The utility model relates to a film winding device with a tension adjusting structure, which comprises a first unwinding drum, a second unwinding drum, a composite roller set and a winding drum, and the tension adjusting structure, a coating roller, a first transition roller set, a drying oven and a second transition roller set are arranged between the first unwinding drum and the composite roller set. The tension adjusting structure comprises a plurality of tension rollers, a support, a mounting plate, a motor and a guide plate, the motor is provided with a rotating shaft, the rotating shaft is sleeved with a nut in threaded connection with the rotating shaft, the guide plate is provided with a guide hole, each tension roller comprises a main shaft and a rolling sleeve which is arranged on the main shaft in a sleeving mode and is in rolling connection with the main shaft, and connecting shafts are arranged at the two ends of the main shaft; a connecting shaft penetrates through the guide hole and is in sliding fit with the guide plate, a connecting rod is arranged between the connecting shaft and the nut, one end of the connecting rod is rotationally connected with the connecting shaft, and the other end of the connecting rod is rotationally connected with the nut.

Description

Technical Field

[0001] The utility model relates to a winding device, in particular to a film winding device with a tension adjustment structure. Background Art

[0002] In the film composite production process, it is necessary to first coat a film and then laminate it with another film by pressurizing. When using the same set of winding devices, for films of different thicknesses, the tension required for the films during the production process is different. This requires a tension adjustment mechanism in the film winding device that is easy to adjust and can adapt to films of various thicknesses. Summary of the Invention

[0003] The utility model aims to provide a film winding device with a tension adjustment structure, which is convenient for tension adjustment and can adapt to films of various thicknesses.

[0004] The technical solutions for achieving the purpose of this utility model are as follows:

[0005] A film winding device with a tension adjustment structure includes a first unwinding drum, a second unwinding drum, a composite roller group, and a winding drum. A tension adjustment structure, a coating roller, a first transition roller group, an oven, and a second transition roller group are provided between the first unwinding drum and the composite roller group. A third transition roller group is provided between the second unwinding drum and the composite roller group.

[0006] The tension adjustment structure includes multiple tension rollers, brackets arranged at both ends of the tension roller, a mounting plate fixed on the bracket, a motor fixed on the mounting plate, and a guide plate fixed on the mounting plate. The motor has a rotating shaft, an external thread is provided on the rotating shaft, a nut threadedly connected to the rotating shaft is mounted on the rotating shaft, a guide hole is provided on the guide plate, the tension roller includes a main shaft and a rolling sleeve mounted on the main shaft and rollingly connected to the main shaft, connecting shafts are provided at both ends of the main shaft, the connecting shaft passes through the guide hole, two limit blocks are fixed on the connecting shaft, the two limit blocks are provided on both sides of the guide plate, the connecting shaft and the guide plate are slidably matched, a connecting rod is provided between the connecting shaft and the nut, one end of the connection is rotatably connected to the connecting shaft, and the other end is rotatably connected to the nut.

[0007] After adopting the above structure, the rotating shaft of the motor rotates, and the nut cannot follow the rotation, thereby turning it into linear motion, thereby driving the connecting shaft to slide in the guide groove through the connecting rod, thereby realizing simultaneous adjustment of multiple tension roller positions, thereby quickly and conveniently adjusting the tension of the film to a suitable range while winding and coating. The utility model adjusts the tension quickly and conveniently and can adapt to films of various thicknesses.

[0008] Preferably, in order to effectively prevent the connecting shaft from rotating, the cross-section of the connecting shaft is square.

[0009] Preferably, in order to facilitate the rotational connection between the connecting rod, the connecting shaft and the nut, two first connecting plates are fixed at the end of the connecting shaft, a first circular shaft is fixed between the two first connecting plates, multiple groups of second connecting plate groups are provided on the nut, the second connecting plate groups include two second connecting plates, a second circular shaft is fixed between the second connecting plates, one end of the connecting rod is sleeved on the first circular shaft and is rotationally connected to the first circular shaft, and the other end is sleeved on the second circular shaft and is rotationally connected to the second circular shaft.

[0010] Preferably, in order to achieve a better coating effect, a heating rod is provided in the main shaft. The heating rod has a wire, and the guide extends from the end of the connecting shaft. In this way, the film is preheated before coating, which can effectively improve the coating effect of the film.

[0011] Preferably, in order to reduce the difficulty of tension adjustment and improve the accuracy of tension adjustment, the guide plate is provided with a scale for displaying the position of the connecting shaft.

[0012] Preferably, the composite roller set includes a first composite roller and a second composite roller located below the first composite roller.

[0013] Preferably, the first transition roller group consists of a plurality of first transition rollers, the second transition roller group consists of a plurality of second transition rollers, and the third transition roller group consists of one third transition roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0015] Figure 1 It is a structural diagram of the present utility model.

[0016] Figure 2 It is a structural schematic diagram of the tension adjustment structure of the utility model.

[0017] Figure 3 This is a schematic diagram of the connection between the connecting rod and the connecting shaft of the present invention.

[0018] Figure 4 This is a schematic diagram of the mounting plate structure of the present utility model.

[0019] Figure 5 This is a schematic diagram of the connection between the motor and the tension roller of the utility model.

[0020] Figure 6 This is a schematic diagram of the tension roller structure of the present utility model. DETAILED DESCRIPTION

[0021] Depend on Figures 1 to 5It can be seen that the film winding device with a tension adjustment structure of the utility model includes a first unwinding drum 1, a second unwinding drum 2, a composite roller group and a winding drum 3, a tension adjustment structure, a coating roller 4, a first transition roller group, an oven 5, and a second transition roller group are arranged between the first unwinding drum and the composite roller group, and a third transition roller group is arranged between the second unwinding drum and the composite roller group; the composite roller group includes a first composite roller 6 and a second composite roller 7 located below the first composite roller, the first transition roller group is composed of a plurality of first transition rollers 8, the second transition roller group is composed of a plurality of second transition rollers 9, and the third transition roller group is composed of a third transition roller 10 respectively, the tension adjustment structure includes a plurality of tension rollers 11, brackets 12 arranged at both ends of the tension rollers, a mounting plate 13 fixed on the bracket, a motor 14 fixed on the mounting plate, and a guide plate 15 fixed on the mounting plate, the motor has a rotating shaft 16, and the rotating shaft is provided with an external thread, A nut 17 threadedly connected to the rotating shaft is mounted on the rotating shaft, and a guide hole 18 is provided on the guide plate. The tension roller includes a main shaft 19 and a rolling sleeve 20 mounted on the main shaft and rollingly connected to the main shaft. Connecting shafts 21 are provided at both ends of the main shaft. The cross-section of the connecting shaft is square, and the connecting shaft passes through the guide hole. Two limit blocks 22 are fixed on the connecting shaft. The two limit blocks are arranged on both sides of the guide plate. The connecting shaft slides with the guide plate. A connecting rod 23 is provided between the connecting shaft and the nut. Two first connecting plates 24 are fixed on the end of the connecting shaft, and a first circular shaft 25 is fixed between the two first connecting plates. Multiple groups of second connecting plate groups are provided on the nut. The second connecting plate group includes two second connecting plates 27. A second circular shaft 28 is fixed between the second connecting plates. One end of the connecting rod is mounted on the first circular shaft and is rotatably connected to the first circular shaft, and the other end is mounted on the second circular shaft and is rotatably connected to the second circular shaft.

[0022] In some embodiments, a heating rod 29 is disposed within the spindle, the heating rod having a conductive wire 30 extending from the end of the connecting shaft.

[0023] In some embodiments, a scale 31 for displaying the position of the connecting shaft is provided on the guide plate.

[0024] After adopting the above structure, the rotating shaft of the motor rotates, and the nut cannot follow the rotation, thereby turning it into linear motion, thereby driving the connecting shaft to slide in the guide groove through the connecting rod, thereby realizing simultaneous adjustment of multiple tension roller positions, thereby quickly and conveniently adjusting the tension of the film to a suitable range while winding and coating. The utility model adjusts the tension quickly and conveniently and can adapt to films of various thicknesses.

[0025] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A film winding device with a tension adjustment structure, characterized in that: It includes a first unwinding drum, a second unwinding drum, a composite roller group and a winding drum. A tension adjustment structure, a coating roller, a first transition roller group, an oven, and a second transition roller group are provided between the first unwinding drum and the composite roller group. A third transition roller group is provided between the second unwinding drum and the composite roller group. The tension adjustment structure includes multiple tension rollers, brackets arranged at both ends of the tension roller, a mounting plate fixed on the bracket, a motor fixed on the mounting plate, and a guide plate fixed on the mounting plate. The motor has a rotating shaft, an external thread is provided on the rotating shaft, a nut threadedly connected to the rotating shaft is mounted on the rotating shaft, a guide hole is provided on the guide plate, the tension roller includes a main shaft and a rolling sleeve mounted on the main shaft and rollingly connected to the main shaft, connecting shafts are provided at both ends of the main shaft, the connecting shaft passes through the guide hole, two limit blocks are fixed on the connecting shaft, the two limit blocks are provided on both sides of the guide plate, the connecting shaft and the guide plate are slidably matched, a connecting rod is provided between the connecting shaft and the nut, one end of the connection is rotatably connected to the connecting shaft, and the other end is rotatably connected to the nut.

2. The film winding device with a tension adjustment structure according to claim 1, characterized in that: The cross section of the connecting shaft is square.

3. The film winding device with a tension adjustment structure according to claim 1 or 2, characterized in that: Two first connecting plates are fixed at the end of the connecting shaft, a first circular shaft is fixed between the two first connecting plates, multiple groups of second connecting plate groups are provided on the nut, the second connecting plate groups include two second connecting plates, a second circular shaft is fixed between the second connecting plates, one end of the connecting rod is sleeved on the first circular shaft and is rotatably connected to the first circular shaft, and the other end is sleeved on the second circular shaft and is rotatably connected to the second circular shaft.

4. The film winding device with a tension adjustment structure according to claim 3, characterized in that: A heating rod is arranged in the main shaft. The heating rod has a conducting wire, and the guide extends from the end of the connecting shaft.

5. The film winding device with a tension adjustment structure according to claim 1, characterized in that: The guide plate is provided with a scale for displaying the position of the connecting shaft.

6. The film winding device with a tension adjustment structure according to claim 1, characterized in that: The composite roller set includes a first composite roller and a second composite roller located below the first composite roller.

7. The film winding device with a tension adjustment structure according to claim 1, characterized in that: The first transition roller group consists of a plurality of first transition rollers, the second transition roller group consists of a plurality of second transition rollers, and the third transition roller group consists of one third transition roller.

Images