Automatic sheet winding, cutting and winding machine

Abstract

The utility model discloses an automatic sheet winding, cutting and winding machine, and belongs to the technical field of winding machines. The sheet winding machine overcomes the defect that in the prior art, when a traditional sheet winding machine is used for winding thin and soft sheets, wound rolls are prone to pleating and streaking. The main body structure of the winding device comprises a winding rack and an upper roll cutting device, a rotating disc is arranged on the winding rack, and an air swelling shaft A and an air swelling shaft B are arranged on the rotating disc. A transmission mechanism, a large gear in transmission connection with the transmission mechanism, a small rubber roller connected with the large gear, a large rubber roller and a cutter are arranged on the upper roll cutting machine frame, a gear supporting bearing used for supporting the large gear to rotate is arranged on the inner ring of the large gear, and a notch used for clamping the air swelling shaft A or the air swelling shaft B is formed in the large gear. The PET sheet winding device is mainly used for winding PET sheets.

Description

Technical Field

[0001] The utility model belongs to the technical field of winding machines, and in particular relates to a sheet material automatic winding, cutting and winding machine. Background Art

[0002] At present, there are many ways to roll and cut sheets. Some use multiple sets of cylinders to roll up the cut sheets, but they are greatly affected by air pressure. Some use toothed knives to drive cylinders to quickly cut, but they are not suitable for cutting hard sheets.

[0003] For example, a Chinese utility model patent with authorization announcement number CN219031196U discloses an automatic winding, cutting and rewinding device for plastic sheets, which can automatically compress and cut the plastic sheet when the rewinder switches the air-expanding shaft for rewinding, and can preliminarily wind the cut plastic sheet around the new air-expanding shaft. However, the following shortcomings exist: 1. The gear disc and the wall panel are connected by sliding via an arc track, and the sliding performance is poor; 2. The cutter is driven by a lead screw, the transmission speed is slow, and the cost is higher than that of a conveyor belt; 3. The sheet passes through a feed roller 31 from top to bottom and enters the rewinding shaft. The distance from the feed roller 31 to the rewinding shaft is long. When the rewinding sheet is thin and soft, the rewinding roll is prone to wrinkles and lines. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a sheet material automatic rolling, cutting and winding machine.

[0005] In order to achieve the above purpose, the utility model is implemented by adopting the following technical solutions:

[0006] A sheet material automatic winding, cutting and rewinding machine comprises a winding frame and a winding and cutting device, wherein a turntable is arranged on the winding frame, and an air expansion shaft A and an air expansion shaft B are arranged on the turntable, and the winding and cutting device comprises a winding and cutting frame, and a transmission mechanism, a large gear connected to the transmission mechanism, a small rubber roller connected to the large gear, a large rubber roller and a cutter are arranged on the winding and cutting frame, a gear support bearing for supporting the rotation of the large gear is arranged on the inner ring of the large gear, and a notch for the air expansion shaft A or the air expansion shaft B to be inserted is arranged on the large gear.

[0007] Preferably, the transmission mechanism includes an upper winding reducer and a transmission shaft, a driven synchronous pulley and a pinion are provided on the transmission shaft, the upper winding reducer is connected to the driven synchronous pulley through the active synchronous pulley and the synchronous belt, and the pinion is meshed with the large gear for transmission.

[0008] Preferably, the small rubber roller is fixedly connected to the large gear via a small rubber roller seat.

[0009] Preferably, a moving cylinder and a guide rail are provided at the lower end of the rewinding rack. The piston rod of the moving cylinder is connected to the upper coil cutting rack, and the upper coil cutting rack is slidably connected to the guide rail.

[0010] Preferably, one end of each of the air shaft A and the air shaft B is connected to an air shaft drive motor.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. The automatic loading of the sheet material is realized through the air shaft A and the air shaft B, and the automatic loading and cutting process is completed in cooperation with the upper coil cutting device, significantly improving the production efficiency;

[0013] 2. The transmission mechanism composed of the upper coil reducer and the transmission shaft ensures accurate speed control, and the meshing transmission of the small gear and the large gear further ensures the stability and accuracy in the transmission process;

[0014] 3. The gear support bearing arranged inside the large gear can effectively reduce friction and wear, improve the service life of the equipment, and maintain the smooth operation of the transmission system;

[0015] 4. The design of the moving cylinder and the guide rail enables the upper coil cutting rack to slide along the guide rail, which provides greater flexibility for operation and facilitates adjusting the equipment position to adapt to different working environments;

[0016] 5. The small rubber roller is fixedly connected to the large gear through the small rubber roller seat. When the large gear rotates a certain angle, the small rubber roller can be smoothly driven to rotate a certain angle and pressed on the air shaft, ensuring that the rubber roller can provide stable tension during operation and helping to maintain the flatness of the sheet material during the upper coil process;

[0017] 6. The upper coil method is driven by the servo motor synchronous belt gear instead of the pneumatic cylinder, which is not affected by air pressure, has high structural stiffness, precise repeated positioning, and low failure rate;

[0018] 7. The notch of the large gear allows the air shaft to enter the center of the gear. The large gear can drive the air shaft to rotate under the support of the gear support bearing, and then the large rubber roller is pressed tightly against the air shaft A. The sheet material is clamped between the large rubber roller and the air shaft A, with high reliability;

[0019] 8. The sheet material enters the air shaft A or the air shaft B from the horizontal direction through the large rubber roller, and the winding is more flat. The wrap angle of the sheet material on the large rubber roller is large, which has a flattening effect on the sheet material, ensuring both the winding of thick and hard sheet materials and the neat winding of thin and soft sheet materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of the present utility model;

[0021] Figure 2 It is a structural schematic diagram of the winding frame in the utility model;

[0022] Figure 3 It is a structural schematic diagram of the upper roll cutting device in the utility model;

[0023] Figure 4 It is a structural schematic diagram of the upper roll cutting device in the utility model;

[0024] Figure 5 It is a schematic diagram of the sheet rolling in the utility model.

[0025] In the figure: 1. Winding frame; 2. Turntable; 3. Moving cylinder; 4. Winding and cutting frame; 5. Winding reducer; 6. Active synchronous pulley; 7. Synchronous belt; 8. Driven synchronous pulley; 9. Transmission shaft; 10. Large rubber roller; 11. Large gear; 13. Gear support bearing; 14. Air expansion shaft A; 15. Small rubber roller; 16. Small rubber roller seat; 17. Cutter; 18. Slide rail; 19. Air expansion shaft B; 20. Air expansion shaft drive motor; 21. Small gear; 22. Cutter drive motor; 23. Guide rail; 24. Notch. DETAILED DESCRIPTION

[0026] The present invention will be further described below through specific embodiments in conjunction with the accompanying drawings.

[0027] Embodiment 1:

[0028] like Figures 1-4 As shown, a sheet material automatic winding, cutting and rewinding machine comprises a winding frame 1 and a winding and cutting device, the winding frame 1 is provided with a turntable 2, the turntable 2 is provided with an air expansion shaft A14 and an air expansion shaft B19, the winding and cutting device comprises a winding and cutting frame 4, the winding and cutting frame 4 is provided with a transmission mechanism, a large gear 11 connected to the transmission mechanism, a small rubber roller 15 connected to the large gear 11, a large rubber roller 10 and a cutter 17, the inner ring of the large gear 11 is provided with a gear support bearing 13 for supporting the rotation of the large gear 11, and the large gear 11 is provided with a notch 24 for the air expansion shaft A14 or the air expansion shaft B19 to be clamped.

[0029] Embodiment 2:

[0030] An automatic sheet feeding, cutting and winding machine, which is different from that of Embodiment 1 in that the transmission mechanism includes an upper winding speed reducer 5 and a transmission shaft 9. A driven synchronous pulley 8 and a small gear 21 are arranged on the transmission shaft 9. The upper winding speed reducer 5 is drivingly connected to the driven synchronous pulley 8 through a driving synchronous pulley 6 and a synchronous belt 7. The small gear 21 is in meshing transmission with a large gear 11. The small rubber roller 15 is fixedly connected to the large gear 11 through a small rubber roller seat 16. The upper winding speed reducer 5 drives the driving synchronous pulley 6, the synchronous belt 7, the driven synchronous pulley 8, the transmission shaft 9 and the small gear 21 to rotate. And because the small gear 21 is meshed with the large gear 11, the small rubber roller 15 is driven to roll upward and wind on the air shaft A14. The air shaft A14 is driven by an air shaft driving motor 20 to rotate, and the sheet is wound more and more, and wound tighter and tighter to realize the automatic winding of the sheet.

[0031] Further, a moving cylinder 3 and a guide rail 23 are arranged at the lower end of the winding frame 1. The piston rod of the moving cylinder 3 is connected to the upper winding and cutting frame 4, and the upper winding and cutting frame 4 is slidably connected to the guide rail 23.

[0032] Further, one end of both the air shaft A14 and the air shaft B19 is connected with an air shaft driving motor 20.

[0033] The working principle of the present utility model is as follows:

[0034] A turntable 2 is installed on the winding frame 1. When the air shaft B19 is wound with the PET sheet, the turntable 2 can rotate around the center of the turntable 2 to switch the positions of the air shaft A14 and the air shaft B19. When the air shaft A14 reaches the right side, the bypass path of the sheet at this time is as Figure 5 shown by the dotted line. The cylinder rod of the moving cylinder 3 contracts to pull the upper winding and cutting frame 4 to move, so that the air shaft A14 is stuck into the notch of the large gear 11, as Figure 4 shown. At this time, the large rubber roller 10 is pressed tightly against the air shaft A14, and the sheet is clamped between the large rubber roller 10 and the air shaft A14; subsequently, the cutter 17 slides on the slide rail 18 by the cutter driving motor 22 to cut the sheet. Since the small rubber roller 15 is installed on the large gear 11 through the small rubber roller seat 16, as the large gear 11 rotates, the small rubber roller 15 is driven to rotate a certain angle. The remaining section after the sheet is cut is wound on the air shaft A14 by the small rubber roller 15. Then, after the sheet is wound several turns on the air shaft A14 for shaping, the large gear 11 rotates in the reverse direction, the small rubber roller 15 returns to the original position, the cylinder rod of the moving cylinder 3 is pushed out to push the upper winding and cutting frame 4 away, and at the same time the cutter 17 returns to the original position. The PET sheet wound on the air shaft B19 is manually disassembled and a new air shaft B19 is replaced. When the PET sheet is wound on the air shaft A14, the above steps are repeated. The present utility model can realize automatic feeding and winding. The whole process is automatically completed by PLC control, with convenient and fast operation and low failure rate.

Claims

1. A sheet material automatic winding, cutting and rewinding machine, comprising a winding frame (1) and a winding and cutting device, wherein a rotating disk (2) is arranged on the winding frame (1), and characterized in that: The rotating disk (2) is provided with an air expansion shaft A (14) and an air expansion shaft B (19), and the upper roll cutting device comprises an upper roll cutting frame (4), and the upper roll cutting frame (4) is provided with a transmission mechanism, a large gear (11) connected to the transmission mechanism, a small rubber roller (15) connected to the large gear (11), a large rubber roller (10) and a cutter (17), the inner ring of the large gear (11) is provided with a gear support bearing (13) for supporting the rotation of the large gear (11), and the large gear (11) is provided with a notch (24) for the air expansion shaft A (14) or the air expansion shaft B (19) to be inserted.

2. The automatic sheet winding, cutting and rewinding machine according to claim 1, characterized in that: The transmission mechanism comprises an upper winding speed reducer (5) and a transmission shaft (9), wherein a driven synchronous belt wheel (8) and a pinion gear (21) are arranged on the transmission shaft (9), the upper winding speed reducer (5) is connected to the driven synchronous belt wheel (8) through a driving synchronous belt wheel (6) and a synchronous belt (7), and the pinion gear (21) is meshed with a large gear (11) for transmission.

3. The automatic sheet winding, cutting and rewinding machine according to claim 1, characterized in that: The small rubber roller (15) is fixedly connected to the large gear (11) via a small rubber roller seat (16).

4. The automatic sheet winding, cutting and rewinding machine according to any one of claims 1 to 3, characterized in that: A movable cylinder (3) and a guide rail (23) are provided at the lower end of the winding frame (1); a piston rod of the movable cylinder (3) is connected to the upper winding and cutting frame (4), and the upper winding and cutting frame (4) is slidably connected to the guide rail (23).

5. The automatic sheet winding, cutting and rewinding machine according to any one of claims 1 to 3, characterized in that: One end of the air expansion shaft A (14) and the air expansion shaft B (19) are both connected to an air expansion shaft driving motor (20).

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