A TPU three-in-one rewinder

Abstract

The present invention relates to a TPU three-in-one rewinder. The frame it includes is assembled by splicing two groups of side plates and a base; the rewinding assembly includes a main roller and a tension roller group, and the left and right ends of which are respectively rotatably connected to the two groups of side plates. The winding roller is movably connected between the two groups of side plates. The film material passes through the tension roller group and is located between the main roller and the winding roller and wound around the winding roller; the driving assembly includes a driving motor arranged on the frame, and the output end of which drives the main roller to rotate around the x-axis. The rotating motor is movably connected to the side plate, and the output end of the rotating motor is detachably connected to the winding roller along the x-axis direction and drives the winding roller to rotate around the x-axis. During the process of the winding roller displacing along the y-axis direction, the film material is pressed against the main roller. By arranging a roll-changing assembly on the frame, the present invention automatically loads an empty winding roller while completing the rewinding, without delaying the normal rewinding work while the worker unloads the wound TPU film, thus improving the work efficiency.

Description

Technical Field

[0001] The present invention belongs to the technical field of film material winding, and particularly relates to a TPU three-in-one winding machine. Background Art

[0002] TPU film is made from TPU pellets through special processes such as calendering, casting, blown film, and coating. TPU film is a thermoplastic TPU elastomer. Due to its good elasticity, excellent physical properties, and good mechanical strengths of various kinds, it is widely used in processing methods such as injection molding, extrusion, calendering, and dissolution into solution-type resins. It is a plastic material often used by plastic processors. The products made from it cover the scope of industrial applications and civilian necessities. During the production and processing of TPU film, it is necessary to pressurize and wind the prepared finished products for easy storage and transportation of the finished products.

[0003] Since the wound TPU film will be in a roll shape, its capacity and size will be determined at the beginning of production setting. The wound TPU film needs to be discharged and then an empty winding roll needs to be loaded to continue production. However, for existing production equipment, the wound TPU film needs to be unloaded manually after stopping the machine and then an empty winding roll needs to be reloaded, resulting in low production efficiency. Summary of the Invention

[0004] To solve the above technical problems, the present invention provides a TPU three-in-one winding machine. By arranging a roll-changing assembly on the frame, while winding is completed, an empty winding roll is automatically loaded. While workers unload the wound TPU film, normal winding work is not delayed, improving work efficiency. At the same time, this winding machine can achieve the three-in-one functions of center winding, surface winding, and intermittent winding.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] A TPU three-in-one winding machine includes a frame, a winding assembly, a film material, and a driving assembly; the frame is formed by splicing two groups of side plates and a base; the winding assembly includes a main roll, a tension roll group, and a winding roll. The left and right ends of the main roll and the tension roll group are respectively rotatably connected to the two groups of side plates. The winding roll is movably connected between the two groups of side plates. The film material passes through the tension roll group and is located between the main roll and the winding roll and winds around the winding roll; the driving assembly includes a driving motor and a rotating motor. The driving motor is arranged on the frame and its output end drives the main roll to rotate around the x-axis. The rotating motor is movably connected to the side plate, and the output end of the rotating motor is detachably and cooperatively connected to the winding roll along the x-axis direction and drives the winding roll to rotate around the x-axis. During the displacement of the rotating motor along the y-axis direction, the winding roll presses the film material against the main roll.

[0007] Further, the driving assembly further includes a displacement member, and the displacement member includes a first guide rail, a first sliding seat, a first air cylinder, a second guide rail, a second sliding seat, and a second air cylinder; the first guide rail and the first air cylinder are both arranged on a set of side plates, the bottom of the first sliding seat is slidably connected to the first guide rail, the output end of the first air cylinder is connected to the first sliding seat, and the first sliding seat is displaced along the y-axis direction on the first guide rail under the drive of the first air cylinder; the second guide rail and the second air cylinder are both arranged on the first sliding seat, the rotating motor is arranged on the second sliding seat, the bottom of the second sliding seat is slidably connected to the second guide rail, and the output end of the rotating motor is detachably and cooperatively connected to the winding roller along the x-axis direction under the drive of the second air cylinder.

[0008] Further, there are two sets of the displacement members, which are symmetrically arranged on the two sets of side plates respectively with the base as the symmetry center; the rotating motor is located on the displacement member at the left end of the winding roller, a toothed shaft is arranged on the output end of the rotating motor, a toothed groove is arranged at the end of the left end of the winding roller, and the toothed shaft is detachably and cooperatively connected in the toothed groove along the x-axis direction under the drive of the second air cylinder; a top seat is arranged on the second sliding seat of the displacement member at the right end of the winding roller, a top cone is arranged on the top seat facing the winding roller, a top groove is arranged at the end of the right end of the winding roller, and the top cone is detachably and cooperatively connected in the top groove along the x-axis direction under the drive of the second air cylinder.

[0009] Further, the driving assembly further includes a stepping member, a transmission shaft, and a servo motor; the stepping member includes a mounting seat, a third sliding seat, a third guide rail, and a first rack, the third sliding seat is connected to a set of side plates through the mounting seat, the third guide rail is slidably connected in the third sliding seat and remains parallel to the y-axis, the first rack is connected below the third guide rail, and one end of the first rack is connected to the first sliding seat; there are two sets of the stepping members, which are symmetrically arranged on the two sets of side plates respectively with the base as the symmetry center, the servo motor is arranged on the base, the left and right ends of the transmission shaft are respectively rotatably connected to the two sets of side plates and penetrate through the two sets of side plates, gears are arranged at the left and right ends of the transmission shaft, and the two gears are respectively engaged with the two first racks, and the output end of the servo motor drives the transmission shaft to rotate around the x-axis.

[0010] Further, it further includes a roll changing assembly, and the roll changing assembly includes a fourth guide rail, a fourth slide block, a fourth cylinder, a fifth cylinder and a clamping member; the fourth guide rail and the fourth cylinder are both arranged on a set of side plates, the fourth slide block is slidably connected to the fourth guide rail, the output end of the fourth cylinder is connected to the fourth slide block, the fourth slide block is displaced along the y-axis direction on the fourth guide rail under the drive of the fourth cylinder, the fifth cylinder is arranged on the fourth slide block, and the clamping member is connected to the output end of the fifth cylinder; there are two sets of the roll changing assembly, which are symmetrically arranged on the two sets of side plates respectively with the base as the symmetry center, and the two clamping members are displaced along the z-axis direction under the drive of the two fifth cylinders and clamp on the winding roll.

[0011] Further, the clamping member includes a U-shaped clamp, a clamping head and a sixth cylinder. The U-shaped clamp is inverted with its notch facing downwards. The sixth cylinder is arranged at the lower end of the U-shaped clamp, and the output end of the sixth cylinder is connected to the clamping head. The clamping head and the notch enclose a closed frame under the drive of the sixth cylinder.

[0012] Further, it further includes a guiding and feeding assembly, and the guiding and feeding assembly includes a guiding and feeding rail, a guiding and feeding seat and a stopper; the guiding and feeding rail and the stopper are arranged on a set of side plates, the stopper is located in the middle of the guiding and feeding rail, the guiding cavity on the axis of the guiding and feeding seat is sleeved and connected to the end of the winding roll through a bearing, a guiding groove and a clamping groove centered on its axis are arranged on the outer side wall of the guiding and feeding seat, the guiding groove is slidably connected to the guiding and feeding rail, and the closed frame is matched with the clamping groove; there are two sets of the guiding and feeding assembly, which are symmetrically arranged on the two sets of side plates respectively with the base as the symmetry center.

[0013] Further, it further includes a cutting assembly, and the cutting assembly includes a seventh cylinder, a rotating shaft, a rotating plate, a lifting roller, a transmission rail and a cutting knife; the seventh cylinder is arranged on the base, the left and right ends of the rotating shaft are respectively connected to the two sets of side plates, the middle part of the rotating plate passes through and is rotatably connected to the rotating shaft, the output end of the seventh cylinder is connected to one end of the rotating plate, the lifting roller is rotatably connected to the other end of the rotating plate, the lifting roller rotates around the x-axis with the rotating shaft as the rotation center under the drive of the seventh cylinder, the transmission rail is arranged on the rotating plate and is located between the lifting roller and the rotating shaft, the cutting knife is arranged on the transmission rail, and the cutting knife moves along the x-axis direction under the drive of the transmission rail.

[0014] Further, it further includes a compaction assembly, and the compaction assembly includes a compaction member and a compaction roller; the compaction member includes a fifth guide rail, a fifth sliding seat, an eighth cylinder, a sixth guide rail, a sixth sliding seat and a ninth cylinder. The fifth guide rail and the eighth cylinder are both arranged on a group of side plates. The bottom of the fifth sliding seat is slidably connected to the fifth guide rail. The output end of the eighth cylinder is connected to the fifth sliding seat. The fifth sliding seat is displaced along the z-axis direction on the fifth guide rail under the drive of the eighth cylinder. The sixth guide rail and the ninth cylinder are both arranged on the fifth sliding seat. The bottom of the sixth sliding seat is slidably connected to the sixth guide rail. The output end of the ninth cylinder is connected to the sixth sliding seat. The sixth sliding seat is displaced along the y-axis direction on the sixth guide rail under the drive of the ninth cylinder. There are two groups of the compaction members, which are symmetrically arranged on the two groups of side plates with the base as the symmetry center. The left and right ends of the compaction roller are respectively rotatably connected to the two groups of sixth sliding seats. The outer side wall of the compaction roller can be abutted against the film material on the outer side wall of the winding roller.

[0015] Further, it further includes a buffer assembly, and the buffer assembly includes a buffer member, a buffer motor and a buffer roller; the buffer member includes a seventh guide rail, a seventh sliding seat, a gear shaft and a second rack. The seventh guide rail and the second rack are both arranged on a group of side plates. The bottom of the seventh sliding seat is slidably connected to the seventh guide rail. The gear shaft is rotatably connected to the seventh sliding seat and meshes with the second rack. There are two groups of the buffer members, which are symmetrically arranged on the two groups of side plates with the base as the symmetry center. The left and right ends of the buffer roller are respectively rotatably connected to the two groups of gear shafts. The buffer motor is arranged on one of the seventh sliding seats and drives the gear shaft. The buffer roller is displaced along the z-axis direction under the drive of the buffer motor and extends into the tension roller group and abuts against the film material.

[0016] Compared with the prior art, the advantages of the present invention are as follows: The film material is wound around several tension rollers on the tension roller group, and finally passes between the main roller and the winding roller and is wound on the winding roller. The winding roller / main roller is started in different winding forms, so as to wind the film material on the winding roller. At the same time, the winding roller is driven by a servo motor to move in the y-axis direction during the continuous winding and thickening process until the winding is completed and the material is discharged. The empty winding roller is pressed down by the roll changing assembly between the winding roller that has completed the winding and the main roller. While winding the film material on the empty winding roller, the film material is cut by a cutter, so that the worker can unload the wound TPU film without delaying the normal winding work, improving the work efficiency. Description of the Drawings

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 Is the left-side perspective view of the present invention;

[0019] Figure 2 Is of the present invention Figure 1 Partial enlarged view of part A;

[0020] Figure 3 Is of the present invention Figure 1 Partial enlarged view of part B;

[0021] Figure 4 Is of the present invention Figure 1 Partial enlarged view of part C;

[0022] Figure 5 Is of the present invention Figure 1 Partial enlarged view of part D;

[0023] Figure 6 Is of the present invention Figure 1 Partial enlarged view of part E;

[0024] Figure 7 Is the right-side perspective view of the present invention;

[0025] Figure 8 Is of the present invention Figure 7 Partial enlarged view of part F;

[0026] Figure 9 Is of the present invention Figure 7 Partial enlarged view of part G;

[0027] Figure 10 Is of the present invention Figure 7 Partial enlarged view of part H;

[0028] Figure 11 Is of the present invention Figure 7 Partial enlarged view of part J;

[0029] Figure 12 Is the top view of the present invention;

[0030] Figure 13 Is of the present invention Figure 12 Cross-sectional view taken along line K-K of the present invention;

[0031] Figure 14 Is of the present invention Figure 12 Cross-sectional view taken along line M-M of the present invention;

[0032] Figure 15 For the present invention Figure 12 N-N sectional view;

[0033] Figure 16 For the present invention Figure 15 Partial enlarged view at position P;

[0034] Figure 17 For the present invention Figure 15 Partial enlarged view at position Q.

[0035] Wherein: 1, frame; 11, side plate; 12, base; 2, winding assembly; 21, main roller; 22, tension roller group; 23, winding roller; 231, tooth groove; 232, top groove; 3, film material; 4, driving assembly; 41, driving motor; 42, rotating motor; 421, tooth shaft; 43, displacement member; 431, first guide rail; 432, first sliding seat; 433, first cylinder; 434, second guide rail; 435, second sliding seat; 436, second cylinder; 437, top seat; 438, top cone; 44, stepping member; 441, mounting seat; 442, third sliding seat; 443, third guide rail; 444, first rack; 45, transmission shaft; 451, gear; 46, servo motor; 5, roll changing assembly; 51, fourth guide rail; 52, fourth sliding seat; 53, fourth cylinder; 54, fifth cylinder; 55, clamping member; 551, U-shaped clamp; 552, clamping head; 553, sixth cylinder; 554, notch; 555, closed frame; 6, feeding assembly; 61, feeding rail; 62, feeding seat; 621, guiding groove; 622, clamping groove; 63, stopper; 631, limiting seat; 632, limiting head; 64, one end of the winding material; 65, discharging end; 7, cutting assembly; 71, seventh cylinder; 72, rotating shaft; 73, rotating plate; 74, lifting roller; 75, transmission rail; 76, cutter; 8, compaction assembly; 81, compaction member; 811, fifth guide rail; 812, fifth sliding seat; 813, eighth cylinder; 814, sixth guide rail; 815, sixth sliding seat; 816, ninth cylinder; 82, compaction roller; 9, buffer assembly; 91, buffer member; 911, seventh guide rail; 912, seventh sliding seat; 913, gear shaft; 914, second rack; 92, buffer motor; 93, buffer roller. Detailed implementation manners

[0036] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0037] The specific embodiments of the present invention will be described below in conjunction with the accompanying drawings: Embodiment 1

[0038] As Figure 1-17 shown, a TPU three-in-one rewinder includes a frame 1, a winding assembly 2, a film material 3, and a driving assembly 4; the frame 1 is spliced by two groups of side plates 11 and a base 12; the winding assembly 2 includes a main roller 21, a tension roller group 22, and a winding roller 23. The left and right ends of the main roller 21 and the tension roller group 22 are respectively rotatably connected to the two groups of side plates 11. The winding roller 23 is movably connected between the two groups of side plates 11. The film material 3 passes through the tension roller group 22 and is located between the main roller 21 and the winding roller 23 and wound around the winding roller 23; the driving assembly 4 includes a driving motor 41 and a rotating motor 42. The driving motor 41 is arranged on the frame 1 and its output end drives the main roller 21 to rotate around the x-axis. The rotating motor 42 is movably connected to the side plate 11. The output end of the rotating motor 42 is detachably connected to the winding roller 23 along the x-axis direction and drives the winding roller 23 to rotate around the x-axis. During the displacement of the rotating motor 42 along the y-axis direction, the film material 3 is pressed against the main roller 21.

[0039] Further, the driving assembly 4 further includes a displacement member 43. The displacement member 43 includes a first guide rail 431, a first sliding seat 432, a first cylinder 433, a second guide rail 434, a second sliding seat 435, and a second cylinder 436; the first guide rail 431 and the first cylinder 433 are both arranged on a group of side plates 11. The bottom of the first sliding seat 432 is slidably connected to the first guide rail 431. The output end of the first cylinder 433 is connected to the first sliding seat 432. The first sliding seat 432 is displaced along the y-axis direction on the first guide rail 431 under the drive of the first cylinder 433; the second guide rail 434 and the second cylinder 436 are both arranged on the first sliding seat 432. The rotating motor 42 is arranged on the second sliding seat 435. The bottom of the second sliding seat 435 is slidably connected to the second guide rail 434. The output end of the rotating motor 42 is detachably connected to the winding roller 23 along the x-axis direction under the drive of the second cylinder 436.

[0040] Further, the displacement member 43 includes two groups and is symmetrically arranged on the two groups of side plates 11 with the base 12 as the center of symmetry; the rotating motor 42 is located on the displacement member 43 at the left end of the winding roller 23, a toothed shaft 421 is provided on the output end of the rotating motor 42, a tooth groove 231 is provided at the left end of the winding roller 23, and the toothed shaft 421 is detachably connected in the tooth groove 231 along the x-axis direction under the drive of the second cylinder 436; a top seat 437 is provided on the second sliding seat 435 of the displacement member 43 at the right end of the winding roller 23, a top cone 438 is provided on the top seat 437 facing the winding roller 23, a top groove 232 is provided at the right end of the winding roller 23, and the top cone 438 is detachably connected in the top groove 232 along the x-axis direction under the drive of the second cylinder 436.

[0041] Further, the driving assembly 4 further includes a stepping member 44, a transmission shaft 45 and a servo motor 46; the stepping member 44 includes a mounting seat 441, a third sliding seat 442, a third guide rail 443 and a first rack 444, the third sliding seat 442 is connected to a group of side plates 11 through the mounting seat 441, the third guide rail 443 is slidably connected in the third sliding seat 442 and remains parallel to the y-axis, the first rack 444 is connected below the third guide rail 443, and one end of the first rack 444 is connected to the first sliding seat 432; the stepping member 44 includes two groups and is symmetrically arranged on the two groups of side plates 11 with the base 12 as the center of symmetry, the servo motor 46 is arranged on the base 12, the left and right ends of the transmission shaft 45 are respectively rotatably connected to the two groups of side plates 11 and penetrate through the two groups of side plates 11, gears 451 are provided at the left and right ends of the transmission shaft 45, and the two gears 451 are respectively engaged with the two first racks 444, and the output end of the servo motor 46 drives the transmission shaft 45 to rotate around the x-axis.

[0042] Further, a roll changing assembly 5 is further included, the roll changing assembly 5 includes a fourth guide rail 51, a fourth sliding seat 52, a fourth cylinder 53, a fifth cylinder 54 and a clamping member 55; the fourth guide rail 51 and the fourth cylinder 53 are both arranged on a group of side plates 11, the fourth sliding seat 52 is slidably connected to the fourth guide rail 51, the output end of the fourth cylinder 53 is connected to the fourth sliding seat 52, and the fourth sliding seat 52 is displaced along the y-axis direction on the fourth guide rail 51 under the drive of the fourth cylinder 53, the fifth cylinder 54 is arranged on the fourth sliding seat 52, and the clamping member 55 is connected to the output end of the fifth cylinder 54; the roll changing assembly 5 includes two groups and is symmetrically arranged on the two groups of side plates 11 with the base 12 as the center of symmetry, and the two clamping members 55 are displaced along the z-axis direction under the drive of the two fifth cylinders 54 and clamp on the winding roller 23.

[0043] Further, the clamping member 55 includes a U-shaped clamp 551, a clamping head 552, and a sixth cylinder 553. The U-shaped clamp 551 is inverted with its notch 554 facing downward. The sixth cylinder 553 is disposed at the lower end of the U-shaped clamp 551, and the output end of the sixth cylinder 553 is connected to the clamping head 552. The clamping head 552 and the notch 554 enclose a closed frame 555 under the drive of the sixth cylinder 553.

[0044] Further, a feeding assembly 6 is further included. The feeding assembly 6 includes a feeding rail 61, a feeding seat 62, and a stopper 63. The feeding rail 61 and the stopper 63 are disposed on a set of side plates 11. The stopper 63 is located in the middle of the feeding rail 61. The feeding cavity on the axis of the feeding seat 62 is sleeved and connected to the end of the winding roller 23 through a bearing. A guiding groove 621 and a clamping groove 622 centered on its axis are provided on the outer side wall of the feeding seat 62. The guiding groove 621 is slidably connected to the feeding rail 61, and the closed frame 555 is matched with the clamping groove 622. Two sets of the feeding assembly 6 are provided and are symmetrically disposed on the two sets of side plates 11 with the base 12 as the symmetry center.

[0045] Further, a cutting assembly 7 is further included. The cutting assembly 7 includes a seventh cylinder 71, a rotating shaft 72, a rotating plate 73, a lifting roller 74, a transmission rail 75, and a cutting knife 76. The seventh cylinder 71 is disposed on the base 12. The left and right ends of the rotating shaft 72 are respectively connected to the two sets of side plates 11. The middle part of the rotating plate 73 passes through and is rotatably connected to the rotating shaft 72. The output end of the seventh cylinder 71 is connected to one end of the rotating plate 73. The lifting roller 74 is rotatably connected to the other end of the rotating plate 73. The lifting roller 74 rotates around the x-axis with the rotating shaft 72 as the rotation center under the drive of the seventh cylinder 71. The transmission rail 75 is disposed on the rotating plate 73 and is located between the lifting roller 74 and the rotating shaft 72. The cutting knife 76 is disposed on the transmission rail 75, and the cutting knife 76 moves along the x-axis direction under the drive of the transmission rail 75.

[0046] Description of the working mode of the present invention:

[0047] For the TPU three-in-one coiling machine adopting this structure, stable support is first achieved by connecting side plates 11 to the left and right ends of the base 12 respectively. The left and right ends of the main roller 21 and the tension roller group 22 are respectively rotatably connected to the two groups of side plates 11 and are parallel to each other. The tension roller group 22 includes several rollers. The incoming film material 3 is wound back and forth between several rollers to maintain the tension of the film material 3. Since the winding of the film material 3 between several rollers belongs to the prior art, no more details will be described here on how it is achieved. The film material 3 led out from the tension roller group 22 will intervene between the main roller 21 and the coiling roller 23 and then be wound around the coiling roller 23. In order to achieve coiling and maintain the coiling quality, on the one hand, the coiling method is changed by changing the distance between the coiling roller 23 and the main roller 21, and on the other hand, the coiling is achieved by driving the rotation of the coiling roller 23 and the main roller 21.

[0048] In order to make the coiling roller 23 abut against the main roller 21 along the y-axis direction, a displacement member 43 is provided. By starting the first air cylinder 433, the first sliding seat 432 is pulled to displace along the y-axis direction on the first guide rail 431, and the coiling roller 23 connected to the first sliding seat 432 will be driven to abut against the main roller 21. However, since the coiling roller 23 will gradually thicken during the process of continuously coiling the film material 3, relying on the first air cylinder 433 to keep the coiling roller 23 abutting against the main roller 21 will cause the coiling to be impossible. Moreover, the air cylinder cannot achieve precise fine-tuning during the pulling and pushing processes. Therefore, it is unrealistic to push the first sliding seat 432 by the first air cylinder 433 to slowly push away the coiling roller 23 on it during its gradual thickening process. Therefore, a stepping member 44, a transmission shaft 45, and a servo motor 46 are added. The servo motor 46 is installed on the base 12 and drives the transmission shaft 45 that is rotatably connected to the two groups of side plates 11. The end of the transmission shaft 45 passes through the side plate 11 and is connected to the gear 451. When the gear 451 engages with the first rack 444 and drives it to displace along the y-axis, the first sliding seat 432 is driven to perform precise fine-tuning, so as to achieve synchronous displacement as the film material 3 on the coiling roller 23 gradually thickens and maintain abutment with the main roller 21. Since there is air pressure in the first air cylinder 433 itself and the first air cylinder 433 and the first rack 444 are both connected to the first sliding seat 432, it will cause the first rack 444 to be pulled in the opposite direction by the first air cylinder 433 and unable to displace when the first rack 444 drives the first sliding seat 432. Therefore, when the servo motor 46 works, the first air cylinder 433 can be automatically depressurized as needed to make the first air cylinder 433 ineffective and not work.

[0049] Since the winding roller 23 needs to be able to change the roller to improve production efficiency, the winding roller 23 itself cannot be fixed and needs to be flexibly disassembled and driven to rotate. Therefore, the second sliding seat 435 is driven by the second cylinder 436 on the first sliding seat 432 to displace along the x-axis direction on the second guide rail 434, and the rotating motor 42 on the second sliding seat 435 is moved towards the winding roller 23, so that the tooth shaft 421 is embedded in the tooth groove 231. At the same time, the top seat 437 of the second sliding seat 435 on the displacement member 43 on the other side plate 11 is also driven to move towards the winding roller 23, and the top cone 438 is embedded in the top groove 232 to clamp the winding roller 23 from both left and right ends, and the winding roller 23 can be driven to rotate around the x-axis when the rotating motor 42 is started.

[0050] Therefore, when winding the film material 3 on the winding roller 23, there are three winding forms: when it is center winding, the drive motor 41 is not started, and the main roller 21 is kept in a driven state. The winding roller 23 is first abutted against the main roller 21 by pulling the first cylinder 433 in the clamped state, then the first cylinder 433 is depressurized, the rotating motor 42 is started to drive the winding roller 23 to rotate for active winding, and then the servo motor 46 is started to drive the first sliding seat 432 for displacement fine-tuning to keep up with the thickening speed of the film material 3 on the winding roller 23, so as to maintain winding; when it is surface winding, the rotating motor 42 is not started, and the winding roller 23 is kept in a driven state of being clamped, and the winding roller 23 is abutted against the main roller 21 by pulling the first cylinder 433, then the first cylinder 433 is depressurized, the drive motor 41 is started to drive the main roller 21 to rotate and drive the winding roller 23 for driven winding, and then the servo motor 46 is started to drive the first sliding seat 432 for displacement fine-tuning to keep up with the thickening speed of the film material 3 on the winding roller 23, so as to maintain winding; when it is gap winding, the drive motor 41 is not started, and the winding roller 23 is in the clamped state. The first sliding seat 432 is driven by the first cylinder 433 or the servo motor 46 to displace and keep the distance from the main roller 21, and the rotating motor 42 is started to drive the winding roller 23 to rotate for active winding, so as to maintain winding.

[0051] After the winding of the winding roller 23 is completed, the roller needs to be changed to improve production efficiency. Therefore, a guiding and feeding assembly 6 is provided for guiding and discharging the winding roller 23, a roller changing assembly 5 is provided for replacing the empty winding roller 23, and a cutting assembly 7 is provided for cutting the film material 3.

[0052] First, in order to facilitate the unloading of the winding roller 23 after winding, a guide rail 61 is set, and a guide seat 62 is provided on the left and right ends of the winding roller 23, and the guide groove 621 on the guide seat 62 is embedded in the guide rail 61, so that the winding roller 23 can only move forward and backward along the y-axis direction along the guide rail 61 whether it is clamped or not. At the same time, a limiter 63 is set in the middle of the guide rail 61. The limiter 63 consists of a limit seat 631, a limit head 632 and a spring. A limit groove is provided above the limit seat 631, and one end of the limit head 632 can be rotatably connected to the limit groove, and the lower end of the other end is connected to the limit groove through a spring. Connected in the limit groove, in the absence of external force, the other end of the limit head 632 will remain in an upward state due to the force of the spring. Therefore, when the winding roller 23 moves from the winding material end 64 to the discharge direction end on the guide rail 61 and passes through the limiter 63, the other end of the limit head 632 can be pressed downward. After passing through the limiter 63, the upward-tilted other end of the limit head 632 will maintain a limiting abutment effect on the winding roller 23, ensuring that the winding roller 23 cannot re-enter the winding material end 64 from the discharge end 65, thereby preventing the winding roller 23 that has already discharged from the material from rolling back and affecting the normal winding of the empty winding roller 23.

[0053] In order to complete the roller changing operation, the roller changing assembly 5 is required to be able to clamp the winding roller 23 from the material discharging end 65 on the guide rail 61, and then move up, move horizontally, and then lower it to the work station at the winding material end 64 to clamp and perform the winding operation. Therefore, the fourth slide 52 is driven by the fourth cylinder 53 to move along the y-axis direction on the fourth guide rail 51, and the clamping member 55 is driven by the fifth cylinder 54 to move along the z-axis direction. In order to transfer the winding roller 23, a clamping groove 622 is set on the guide seat 62, and the clamping member 55 on the fourth slide 52 is driven by the fifth cylinder 54 to move the winding roller 23 to the z-axis direction. The U-shaped clamp 551 moves downward and is embedded in the clamping groove 622, and then the clamping head 552 is horizontally clamped at the lower end of the clamping groove 622 by the drive of the sixth cylinder 553. The enclosed closed frame 555 clamps the guide seat 62, so that the winding roller 23 can be clamped during the up and down and forward and backward movements of the y-axis and the z-axis. More preferably, two groups of sixth cylinders 553 and clamping heads 552 can be set on the lower end of the U-shaped clamp 551. The two groups of clamping heads 552 are abutted against each other under the drive of the sixth cylinder 553, and are enclosed together with the notch 554 to form a circular hoop that cooperates with the clamping groove 622, which can have a better clamping effect.

[0054] Before the winding roller 23 that has completed winding is moved into the discharging end 65, the clamping member 55 grabs the empty winding roller 23 and first displaces it above the winding roller 23 that has completed winding. After the winding roller 23 that has completed winding is pushed into the discharging end 65 by the first air cylinder 433 or the first rack 444, the film material 3 will also extend in the direction of the discharging end 65 along with the winding roller 23 that has completed winding. At this time, the seventh air cylinder 71 is first started to drive the rotating plate 73 to rotate on the rotating shaft 72, raise the lifting roller 74 at its end, and intervene between the winding roller 23 that has completed winding and the main roller 21 and abut against the lower side of the film material 3. Then, the fifth air cylinder 54 is driven to press the empty winding roller 23 on the clamping member 55 onto the guiding rail 61, and at the same time, the film material 3 is also pressed between the lifting roller 74 and the main roller 21. The film material 3 will adhere to the empty winding roller 23. By starting the main roller 21, the film material 3 on the winding roller 23 is initially wound. At the same time, the transmission rail 75 is started to drive the cutter 76 thereon to cut the film material 3 between the empty winding roller 23 and the lifting roller 74, cutting off the film material 3. The seventh air cylinder 71 is started again to rotate the rotating plate 73 back to its original position. Therefore, the winding roller 23 that has completed winding can be discharged after the film material 3 is cut off. Therefore, the second air cylinder 436 is started to disengage the tooth shaft 421 and the top cone 438 from clamping the winding roller 23 that has completed winding, and under the drive of the first air cylinder 433, it is moved to the position of the empty winding roller 23. The second air cylinder 436 is started again to embed the tooth shaft 421 and the top cone 438 to complete the clamping of the empty winding roller 23, realizing the winding of the empty winding roller 23 and maintaining the continuous operation of production. There is sufficient time for workers to unload the winding roller 23 that has completed winding and place an empty winding roller 23 at the discharging end 65 before the winding is completed, in preparation for subsequent cyclic winding. Embodiment 2

[0055] As Figure 8 , 14As shown in the figure, it further includes a compaction assembly 8, and the compaction assembly 8 includes a compaction member 81 and a compaction roller 82; the compaction member 81 includes a fifth guide rail 811, a fifth slide block 812, an eighth cylinder 813, a sixth guide rail 814, a sixth slide block 815 and a ninth cylinder 816. The fifth guide rail 811 and the eighth cylinder 813 are both arranged on a group of side plates 11. The bottom of the fifth slide block 812 is slidably connected to the fifth guide rail 811. The output end of the eighth cylinder 813 is connected to the fifth slide block 812. The fifth slide block 812 is displaced along the z-axis direction on the fifth guide rail 811 under the drive of the eighth cylinder 813. The sixth guide rail 814 and the ninth cylinder 816 are both arranged on the fifth slide block 812. The bottom of the sixth slide block 815 is slidably connected to the sixth guide rail 814. The output end of the ninth cylinder 816 is connected to the sixth slide block 815. The sixth slide block 815 is displaced along the y-axis direction on the sixth guide rail 814 under the drive of the ninth cylinder 816. There are two sets of compaction members 81, which are symmetrically arranged on the two groups of side plates 11 with the base 12 as the symmetry center. The left and right ends of the compaction roller 82 are respectively rotatably connected to the two groups of sixth slide blocks 815. The outer side wall of the compaction roller 82 can be abutted against the film material 3 on the outer side wall of the winding roller 23.

[0056] When the film material 3 is wound on the winding roller 23, it is inevitable that air may be wrapped inside. If the film material 3 is allowed to wrap air inside, on the one hand, it will cause the final volume of the reel to be relatively large, and on the other hand, it will affect its service life due to excessive contact between the film material 3 and air. Therefore, the compaction assembly 8 is added and arranged at the other end of the winding roller 23 opposite to the main roller 21. The eighth cylinder 813 drives the fifth slide block 812 to displace along the z-axis direction on the fifth guide rail 811, and the ninth cylinder 816 drives the sixth slide block 815 to displace along the y-axis direction on the sixth guide rail 814, so that the compaction roller 82 is abutted against the film material 3 on the winding roller 23. During the winding process of the film material 3, it will surely be extruded by the compaction roller 82, so as to discharge the air along the direction of winding in, and avoid the air being wrapped inside. When the winding roller 23 finishes winding and needs to discharge the material, the eighth cylinder 813 and the ninth cylinder 816 are started to move the compaction roller 82 downward to avoid hindering the discharging of the winding roller 23, and the compaction roller 82 is re-abutted against the empty winding roller 23 after replacing the empty winding roller 23. Embodiment 3

[0057] As Figure 5 、 6, as shown in FIGS. 10 and 13, it further includes a buffer assembly 9, and the buffer assembly 9 includes a buffer member 91, a buffer motor 92 and a buffer roller 93; the buffer member 91 includes a seventh guide rail 911, a seventh slide block 912, a gear 451 shaft and a second rack 914. The seventh guide rail 911 and the second rack 914 are both arranged on a set of side plates 11. The bottom of the seventh slide block 912 is slidably connected to the seventh guide rail 911. The gear 451 shaft is rotatably connected to the seventh slide block 912 and meshes with the second rack 914; there are two sets of the buffer members 91, which are symmetrically arranged on the two sets of side plates 11 with the base 12 as the symmetry center respectively. The left and right ends of the buffer roller 93 are respectively rotatably connected to the two sets of gear 451 shafts; the buffer motor 92 is arranged on one of the seventh slide blocks 912 and drives the gear 451 shaft. The buffer roller 93 is displaced along the z-axis direction under the drive of the buffer motor 92 and extends into the tension roller group 22 and abuts against the film material 3.

[0058] When the winding roller 23 is replaced, during the period before the empty winding roller 23 is replaced, the film material 3 cannot be wound. However, due to inertia, the film material 3 fed from one end of the tension roller group 22 will maintain the feeding speed. If there is no operation to interfere at this time, the film material 3 before entering the tension roller group 22 will sag due to inertia force, may be contaminated due to contact with other places, or may be reversely wound due to the inertial throwing force. This section of the film material 3 will affect its quality during subsequent winding. Therefore, to avoid this situation, the buffer assembly 9 is provided. By adding a buffer roller 93 that presses the film material 3 from top to bottom in the middle position of the tension roller group 22, when the winding roller 23 is replaced and cannot wind, the buffer roller 93 drives the gear 451 shaft to move downward along the direction of the second rack 914 by starting the buffer motor 92, so that the buffer roller 93 presses down at the original winding speed, enabling the subsequent fed film material 3 to enter the buffer space below the buffer roller 93, maintaining a certain tension on the fed film material 3, and avoiding contamination of the film material 3 caused by sagging or reverse winding due to inertia. When the winding roller 23 completes the replacement and accelerates winding, the buffer roller 93 is lifted upward at the same time to gradually release the accumulated film material 3 until normal production is restored.

[0059] The beneficial effects of the present invention are as follows: The film material 3 is wound around a number of tension rollers on the tension roller group 22, and finally passes between the main roller 21 and the winding roller 23 and is wound on the winding roller 23. The winding roller 23 / main roller 21 is started in different winding forms, so as to wind the film material 3 on the winding roller 23. At the same time, the servo motor 46 is assisted to drive the winding roller 23 to move in the y-axis direction during the continuous winding and thickening process until the winding is completed and the material is discharged. The empty winding roller 23 is pressed down between the winding roller 23 that has completed the winding and the main roller 21 under the drive of the roller changing assembly 5. While winding the film material 3 on the empty winding roller 23, the film material 3 is cut by the cutter 76, so that the worker can unload the wound TPU film without delaying the normal winding work, improving the work efficiency. In order to prevent air from being wrapped in the film material 3 during the winding process, the excess air is discharged through the compaction assembly 8. In order to prevent the incoming film material 3 from sagging or winding reversely due to inertia force during the roller changing process, the film material 3 is pre-stored through the buffer assembly 9. After the roller change is completed, the winding is accelerated, and at the same time, the upper buffer assembly 9 gradually releases the stored film material 3 until the normal production is restored.

[0060] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A TPU three-in-one winder, characterized in that: It includes a frame, a winding assembly, film material and a driving assembly; The frame is made up of two sets of side panels and a base; The winding assembly includes a main roller, a tension roller group and a winding roller. The left and right ends of the main roller and the tension roller group are rotatably connected to the two sets of side plates respectively. The winding roller is movably connected between the two sets of side plates. After the film passes through the tension roller group, it is between the main roller and the winding roller and is wound on the winding roller. The driving assembly includes a driving motor and a rotating motor. The driving motor is arranged on the frame and its output end drives the main roller to rotate around the x-axis. The rotating motor can be movably connected to the side plate. The output end of the rotating motor is detachably connected to the winding roller along the x-axis direction and drives the winding roller to rotate around the x-axis. The winding roller presses the film material against the main roller during the displacement of the rotating motor along the y-axis direction. The drive assembly further includes a displacement member, which includes a first guide rail, a first slide seat, a first cylinder, a second guide rail, a second slide seat, and a second cylinder; The first guide rail and the first cylinder are both arranged on a set of side plates, the bottom of the first slide is slidably connected to the first guide rail, the output end of the first cylinder is connected to the first slide, and the first slide is driven by the first cylinder to move along the y-axis direction on the first guide rail; The second guide rail and the second cylinder are both arranged on the first slide, the rotary motor is arranged on the second slide, the bottom of the second slide is slidably connected with the second guide rail, and the output end of the rotary motor is detachably connected to the winding roller along the x-axis direction under the drive of the second cylinder; The displacement components include two groups, which are symmetrically arranged on two groups of side plates with the base as the symmetry center. The rotating motor is located on the displacement member at the left end of the winding roller, a gear shaft is provided on the output end of the rotating motor, a gear groove is provided at the end of the left end of the winding roller, and the gear shaft is detachably connected in the gear groove along the x-axis direction under the drive of the second cylinder; A top seat is provided on the second slide seat of the displacement member at the right end of the winding roller, a top cone is provided on the top seat toward the winding roller, a top groove is provided at the end of the right end of the winding roller, and the top cone is detachably connected in the top groove along the x-axis direction under the drive of the second cylinder; It also includes a roller changing assembly, which includes a clamping member; the clamping member includes a U-shaped clamp, a clamping head and a sixth cylinder, the U-shaped clamp is inverted and its notch is kept facing downward, the sixth cylinder is arranged at the lower end of the U-shaped clamp, the output end of the sixth cylinder is connected to the clamping head, and the clamping head is driven by the sixth cylinder to enclose the notch to form a closed frame; It also includes a guide assembly, which includes a guide rail, a guide seat and a stopper; The guide rail and the stopper are arranged on a set of side plates, the stopper is located in the middle of the guide rail, the guide cavity on the axis of the guide seat is connected to the end of the winding roller through a bearing sleeve, the outer side wall of the guide seat is provided with a guide groove and a clamping groove with the axis as the rotation center, the guide groove is slidably connected to the guide rail, and the closing frame is matched with the clamping groove; A limiter is arranged in the middle of the guide rail, and the limiter consists of a limit seat, a limit head and a spring. A limit slot is arranged above the limit seat, one end of the limit head can be rotatably connected in the limit slot, and the lower end of the other end is connected in the limit slot through a spring.

2. The TPU three-in-one winder according to claim 1, characterized in that: The driving assembly also includes a stepping member, a transmission shaft and a servo motor; The stepping member includes a mounting seat, a third slide, a third guide rail and a first rack, the third slide is connected to a set of side plates through the mounting seat, the third guide rail can be slidably connected in the third slide and maintained parallel to the y-axis, the first rack is connected below the third guide rail, and one end of the first rack is connected to the first slide; The stepping component includes two groups and is symmetrically arranged on two groups of side panels with the base as the center of symmetry. The servo motor is arranged on the base. The left and right ends of the transmission shaft are rotatably connected to the two groups of side panels and pass through the two groups of side panels. Gears are arranged on the left and right ends of the transmission shaft. The two groups of gears are respectively engaged with the two groups of first racks. The output end of the servo motor drives the transmission shaft to rotate around the x-axis.

3. The TPU three-in-one winder according to claim 2, characterized in that: The roller changing assembly also includes a fourth guide rail, a fourth slide seat, a fourth cylinder, and a fifth cylinder; The fourth guide rail and the fourth cylinder are both arranged on a set of side plates, the fourth slide is slidably connected to the fourth guide rail, the output end of the fourth cylinder is connected to the fourth slide, the fourth slide is displaced along the y-axis direction on the fourth guide rail under the drive of the fourth cylinder, the fifth cylinder is arranged on the fourth slide, and the clamping member is connected to the output end of the fifth cylinder; The roller changing assembly includes two groups and is symmetrically arranged on two groups of side plates with the base as the symmetry center. The two groups of clamping components are displaced along the z-axis direction and clamped on the winding roller under the drive of the two groups of fifth cylinders.

4. The TPU three-in-one winder according to claim 3, characterized in that: The guide components include two groups which are respectively arranged on two groups of side plates symmetrically with the base as the symmetry center.

5. The TPU three-in-one winder according to claim 4, characterized in that: It also includes a cutting assembly, which includes a seventh cylinder, a rotating shaft, a rotating plate, a lifting roller, a transmission rail and a cutting knife; The seventh cylinder is arranged on the base, the left and right ends of the rotating shaft are respectively connected to the two sets of side plates, the middle part of the rotating plate passes through and is rotatably connected to the rotating shaft, the output end of the seventh cylinder is connected to one end of the rotating plate, the lifting roller is rotatably connected to the other end of the rotating plate, and the lifting roller rotates around the x-axis with the rotating shaft as the rotation center under the drive of the seventh cylinder, the transmission rail is arranged on the rotating plate and is located between the lifting roller and the rotating shaft, the cutter is arranged on the transmission rail, and the cutter moves along the x-axis direction under the drive of the transmission rail.

6. The TPU three-in-one winder according to claim 5, characterized in that: Also included is a compacting assembly, the compacting assembly including a compacting member and a compacting roller; The compacting member includes a fifth guide rail, a fifth slide seat, an eighth cylinder, a sixth guide rail, a sixth slide seat and a ninth cylinder. The fifth guide rail and the eighth cylinder are both arranged on a set of side plates. The bottom of the fifth slide seat is slidably connected to the fifth guide rail. The output end of the eighth cylinder is connected to the fifth slide seat. The fifth slide seat is displaced along the z-axis direction on the fifth guide rail under the drive of the eighth cylinder. The sixth guide rail and the ninth cylinder are both arranged on the fifth slide seat, the bottom of the sixth slide seat is slidably connected to the sixth guide rail, the output end of the ninth cylinder is connected to the sixth slide seat, and the sixth slide seat is displaced along the y-axis direction on the sixth guide rail under the drive of the ninth cylinder; The compacting components include two groups and are symmetrically arranged on two groups of side plates with the base as the symmetry center. The left and right ends of the compacting roller are rotatably connected to the two groups of sixth slide seats, and the outer wall of the compacting roller can be abutted against the film material on the outer wall of the winding roller.

7. The TPU three-in-one winder according to claim 6, characterized in that: Also included is a buffer assembly, which includes a buffer member, a buffer motor and a buffer roller; The buffer component includes a seventh guide rail, a seventh slide seat, a gear shaft and a second rack, the seventh guide rail and the second rack are both arranged on a set of side plates, the bottom of the seventh slide seat is slidably connected to the seventh guide rail, and the gear shaft is rotatably connected to the seventh slide seat and meshes with the second rack; The buffer components include two groups, which are symmetrically arranged on two groups of side plates with the base as the symmetry center, and the left and right ends of the buffer roller are rotatably connected to the two groups of gear shafts. The buffer motor is arranged on one of the seventh slide seats and drives the gear shaft. Driven by the buffer motor, the buffer roller is displaced along the z-axis direction, extends into the tension roller group and abuts against the film material.

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