Winding device for CPP film production

Abstract

The utility model relates to a winding device for CPP film production, and relates to the technical field of CPP film production, the winding device comprises a rack, a winding roller rotationally arranged on the rack and a driving motor for driving the winding roller to rotate, a paper tube is coaxially and movably arranged on the winding roller, a CPP film is wound on the peripheral wall of the paper tube, a plurality of supporting columns are arranged on the winding roller in a sliding mode, and the supporting columns are arranged on the winding roller in a sliding mode. The multiple supporting columns are evenly distributed in the circumference direction of the winding roller at intervals and slide in the radius direction of the winding roller, one end of each supporting column protrudes out of the outer circumferential wall of the winding roller, supporting plates are arranged on the side walls, away from the axis of the winding roller, of the supporting columns, and the multiple supporting plates movably abut against the inner circumferential wall of a paper tube. A synchronous wheel is coaxially and rotationally arranged on the winding roller, and the peripheral wall of the synchronous wheel movably abuts against the side wall, away from the supporting plate, of the supporting column. The CPP film winding device has the effects that the paper tube fixing stability is improved when the air source pressure is not stable, and the CPP film winding quality is improved.

Description

Technical Field

[0001] The present application relates to the technical field of CPP film production, and particularly relates to a winding device for CPP film production. Background Art

[0002] CPP film, fully known as cast polypropylene film, is a polypropylene film produced by a casting process. It can be divided into general CPP film, aluminized CPP film, and retort-grade CPP film. It has the characteristics of good transparency, uniform thickness, and uniform properties in both longitudinal and transverse directions. Usually, a winding device is required to wind the CPP film during production.

[0003] Currently, common winding devices for CPP film production include a frame, an air shaft rotatably connected to the frame, a reel, a tension control system, etc. Generally, the paper tube is a paper tube, and the air shaft includes an airbag and key bars movably arranged on the outer surface of the air shaft. Before winding the CPP film, technicians coaxially sleeved the paper tube on the air shaft and inflated the air shaft, so that the airbag expands and drives the key bars to abut against the inner peripheral wall of the paper tube, realizing the fixation of the air shaft and the paper tube. When the CPP film is conveyed to the area of the winding device, the CPP film is wound around the paper tube to provide stable support for the winding of the CPP film. Then, the air shaft is driven to rotate by a motor, and the tension of the CPP film is adjusted through a tension control system to realize the stable winding of the CPP film.

[0004] Regarding the above related technologies, when technicians inflate the air shaft, the airbag expands and the key bars abut against the inner peripheral wall of the paper tube to fix the paper tube and the air shaft, a stable and appropriately pressured air source needs to be provided for the air shaft. When the air source pressure is too low, it is easy to make the fixation of the paper tube and the air shaft unstable, affecting the stability of winding and reducing the quality of CPP film winding. When the air source pressure is too high, it is easy to make the local pressure of the key bars on the inner peripheral wall of the paper tube too large, causing damage to the paper tube, affecting the flatness of the CPP film during winding, and reducing the quality of CPP film winding. Summary of the Utility Model

[0005] In order to improve the stability of the paper tube fixation when the air source pressure is unstable and improve the quality of CPP film winding, the present application provides a winding device for CPP film production.

[0006] The winding device for CPP film production provided by the present application adopts the following technical solutions:

[0007] A winding device for producing CPP film, comprising a frame, a winding roller rotatably arranged on the frame, and a driving motor for driving the winding roller to rotate. A paper tube is coaxially and movably arranged on the winding roller, and the CPP film is wound around the outer peripheral wall of the paper tube. A fixing component for fixing the paper tube and the winding roller is arranged on the winding roller, and a dismounting component for disassembling the paper tube is arranged on the frame;

[0008] The fixing component includes a plurality of support columns slidably arranged on the winding roller. The plurality of support columns are evenly arranged at intervals along the circumferential direction of the winding roller. The support columns slide along the radial direction of the winding roller, and one end of the support column protrudes from the outer peripheral wall of the winding roller. A support plate is arranged on the side wall of the support column far from the axis of the winding roller. The plurality of support plates are all movably abutted against the inner peripheral wall of the paper tube. A synchronous wheel is coaxially and rotatably arranged on the winding roller. The outer peripheral wall of the synchronous wheel is movably abutted against the side wall of the support column far from the support plate. A plurality of protrusions are arranged on the synchronous wheel, and the plurality of protrusions correspond to the plurality of support columns one by one. A locking member for fixing the synchronous wheel is arranged on the winding roller.

[0009] By adopting the above technical scheme, when the CPP film needs to be wound, the technician coaxially sleeves the paper tube on the winding roller, and then the technician rotates the synchronous wheel forward to make the protrusions abut against the support columns, and drives the support columns to slide in a direction away from the axis of the winding roller, so that the plurality of support plates are all abutted against the inner peripheral wall of the paper tube, and the rotation of the synchronous wheel is restricted by the locking member, realizing the fixation of the winding roller and the paper tube. Then the technician winds the CPP film around the outer peripheral wall of the paper tube and starts the driving motor. The driving motor drives the winding roller to rotate, realizing the winding of the CPP film. The paper tube and the winding roller are fixed by a mechanical mechanism, reducing the risk of unstable fixation of the paper tube by the air expansion shaft when the air source pressure is unstable, improving the stability of winding, and thus improving the quality of CPP film winding.

[0010] After the winding is completed, the technician releases the restriction on the rotation of the synchronous wheel and reverses the synchronous wheel to unlock the paper tube and the winding roller. Then, through the dismounting component, the paper tube together with the CPP film wound around the paper tube is separated from the winding roller, facilitating the installation of a new paper tube and the next winding.

[0011] Optionally, an installation groove for the synchronous wheel to rotate is opened on the side wall of the winding roller. The locking member includes a fixed ratchet wheel coaxially arranged on the synchronous wheel. A fixed pawl is rotatably arranged on the inner peripheral wall of the installation groove. The fixed ratchet wheel is movably engaged with the fixed pawl. A reset member is arranged at the rotating shaft of the fixed pawl. The reset member rotates the fixed pawl and makes the fixed pawl engage with the fixed ratchet wheel. An adjusting member for rotating and adjusting the fixed pawl is arranged on the winding roller.

[0012] When it is necessary to wind the CPP film by adopting the above technical solution, the technician rotates the fixed ratchet forward and drives the synchronous wheel to rotate. Due to the characteristics of the fixed ratchet and the fixed pawl, and the fixed pawl is rotatably arranged on the inner peripheral wall of the installation groove, the fixed ratchet can rotate forward relative to the fixed pawl, which is convenient for rotating the synchronous wheel.

[0013] At the same time, the synchronous wheel drives the support column to slide until the support plate abuts against the inner peripheral wall of the paper tube. At this time, the technician stops rotating the fixed ratchet, drives the fixed pawl to rotate through the reset member, and makes the fixed pawl engage with the fixed ratchet. Due to the characteristics of the fixed ratchet and the fixed pawl, the fixed ratchet is not easy to rotate reversely relative to the fixed pawl, realizing the fixation of the fixed ratchet, thereby realizing the restriction of the rotation of the synchronous wheel, and further realizing the fixation of the paper tube and the winding roller, improving the convenience of the fixation operation of the paper tube and the winding roller.

[0014] Then the technician starts the driving motor and drives the winding roller to rotate to realize the winding of the CPP. At this time, the rotation direction of the winding roller is consistent with the rotation direction of the fixed ratchet when the paper tube is fixed. When the winding roller accelerates, the fixed ratchet is not easy to reverse relative to the winding roller due to inertia. When the winding roller decelerates, the fixed ratchet rotates forward relative to the winding roller due to inertia. At this time, the synchronous wheel continues to rotate forward, making the support plate further abut against the inner peripheral wall of the paper tube, reducing the influence of the acceleration / deceleration rotation of the winding roller on the fixing stability of the paper tube.

[0015] After the winding is completed, the fixed pawl is driven to rotate through the provided adjusting member, and the fixed pawl is separated from the fixed ratchet, so that the fixed ratchet can rotate relative to the fixed pawl, realizing the unlocking of the synchronous wheel, and facilitating the unlocking of the paper tube and the winding roller.

[0016] Optionally, a plurality of the fixed pawls are provided, and the plurality of fixed pawls are arranged at equal intervals along the circumference direction of the winding roller. The adjusting member includes an adjusting ring coaxially and rotatably arranged on the winding roller. The inner peripheral wall of the adjusting ring is attached to the outer peripheral wall of the winding roller. One end of the fixed pawl away from the fixed ratchet is fixedly connected with a pressing block, the pressing block protrudes from the outer peripheral wall of the winding roller, and the pressing block is movably abutted against the inner peripheral wall of the adjusting ring. A plurality of adjusting grooves for the plurality of pressing blocks to rotate are formed on the adjusting ring, and the plurality of pressing blocks correspond to the plurality of adjusting grooves one by one.

[0017] By adopting the above technical solution, when it is necessary to wind the CPP film, the technician rotates the synchronous wheel. The pressing block is located in the adjusting groove, making it difficult for the adjusting ring to hinder the rotation of the fixed pawl, facilitating the technician to rotate the synchronous wheel to realize the fixation of the paper tube and the winding roller. At the same time, the plurality of fixed pawls provided improve the fixation stability of the fixed ratchet, thereby improving the fixation stability of the paper tube and the winding roller.

[0018] When unlocking the paper tube and the winding roller, the technician rotates the adjusting ring in the reverse direction, so that the inner peripheral wall of the adjusting ring abuts against the abutting block, and drives the plurality of abutting blocks to rotate synchronously, so that the plurality of fixed pawls are separated from the fixed ratchet wheel, simplifying the operation steps of unlocking the fixed ratchet wheel and realizing the unlocking of the paper tube and the winding roller.

[0019] Optionally, an installation groove for the synchronous wheel to rotate is formed in the side wall of the winding roller, the locking member includes a locking worm wheel coaxially arranged on the synchronous wheel, and a locking worm meshing with the fixed worm wheel is rotatably arranged on the winding roller.

[0020] By adopting the above technical solution, when the CPP film needs to be wound, the technician rotates the locking worm, drives the locking worm wheel and the synchronous wheel to rotate synchronously, and realizes the fixation of the locking worm wheel and the synchronous wheel through the self-locking of the locking worm wheel and the locking worm, so as to realize the fixation of the paper tube and the winding roller, simplify the mechanical mechanism for fixing the synchronous wheel, and improve the reliability of fixing the paper tube and the winding roller.

[0021] Optionally, the disassembly component includes mounting seats arranged on the frame, there are two mounting seats, the two mounting seats are in one-to-one correspondence with the two ends of the winding roller and are rotatably connected, the mounting seat includes a base and a top cover detachably connected to the base, the base is rotatably connected to the frame, and the rotation axis of the base is perpendicular to the rotation axis of the winding roller, and the driving motor is arranged on one side of the base and is connected to the rotating shaft of the winding roller.

[0022] By adopting the above technical solution, after winding is completed, the technician removes the top cover of the mounting seat on the side away from the driving motor, and then the technician rotates the winding roller around the axis direction of the other base, so that the end of the winding roller away from the driving motor is separated from the mounting seat, so that the rotating disc is not easy to hinder the movement of the paper tube and the CPP film along the axis direction of the winding roller, facilitating the technician to disassemble the paper tube and the CPP film.

[0023] Optionally, the disassembly component further includes a rotating rod rotatably arranged on the frame, two rotating discs are coaxially and symmetrically arranged on the rotating rod, the two rotating discs correspond to the two mounting seats one by one, and the base is rotatably connected to the rotating disc, there are multiple groups of winding rollers, and the multiple groups of winding rollers are arranged at equal intervals along the circumferential direction of the rotating disc, and a rotating motor is arranged on the frame, and the output end of the rotating motor is connected to the rotating rod.

[0024] By adopting the above technical solution, when winding the CPP film, the winding roller for winding is located at the top of the rotating disc, and the rotation axis of the base is in a horizontal state. After the winding is completed, the rotation motor operates and drives the rotating rod to rotate, driving the two rotating discs to rotate synchronously, enabling the multi-group mounting seats to rotate synchronously, so that the multi-group winding rollers rotate synchronously around the axis of the rotating rod until the winding roller with the winding completed rotates to the area for disassembling the paper tube with the winding completed. At the same time, the CPP film is attached to the paper tube on the winding roller located at the top of the rotating disc at this time. Then, the technician cuts the CPP film, disassembles the paper tube on the winding roller with the winding completed and the CPP film, and installs a new paper tube. At the same time, the winding roller located at the top of the rotating disc continues to wind the CPP film, and the CPP film is wound in such a cycle to improve the winding efficiency.

[0025] Optionally, the disassembly component further includes a sliding block slidably disposed on the frame. The sliding direction of the sliding block is consistent with the axial direction of the winding roller. A cutting knife is provided on the side wall of the sliding block close to the axis of the rotating disc. A pushing cylinder is provided on the frame. The output end of the pushing cylinder is connected to the sliding block. A photoelectric sensor and a controller are provided on the frame. The photoelectric sensor detects the thickness of the CPP film winding. The photoelectric sensor is electrically connected to the controller. The controller is electrically connected to the driving motor, the rotation motor, and the pushing cylinder.

[0026] By adopting the above technical solution, when the photoelectric sensor detects that the CPP film winding reaches the set thickness, it transmits an electrical signal to the controller. The controller transmits the electrical signal to the pushing cylinder, the rotation motor, and the driving motor. At this time, the controller first drives the rotation motor to operate and drives the rotating rod to rotate, realizing the synchronous rotation of the multi-group winding rollers until the winding roller with the winding completed rotates to the area for disassembling the paper tube with the winding completed. At the same time, the CPP film is attached to the paper tube on the winding roller located at the top of the rotating disc at this time. The controller drives the driving motor corresponding to the winding roller with the winding completed to stop working. Then, the controller drives the pushing cylinder to complete a reciprocating cycle of movement and drives the sliding block and the cutting knife to move synchronously along the axial direction of the winding roller, realizing the automatic cutting of the CPP film, facilitating the disassembly of the paper tube with the winding completed and the CPP film. Then, the controller drives the driving motor corresponding to the winding roller located at the top of the rotating disc at this time to work, realizing the continuous winding of the CPP film. By the controller driving the pushing cylinder, the rotation motor, and the driving motor to work in cooperation, the working efficiency during the replacement of the paper tube is improved.

[0027] Optionally, the fixed ratchet wheel is located on the side of the synchronous wheel away from the bottom wall of the mounting groove. An operation block is coaxially provided on the side wall of the fixed ratchet wheel away from the synchronous wheel. A cover plate is provided on the side wall of the winding roller close to the mounting groove. The operation block protrudes from the cover plate.

[0028] By adopting the above technical solution, when fixing the paper tube and the winding roller, the technician rotates the operation block, thereby driving the fixed ratchet to rotate, realizing the fixation of the paper tube and the winding roller. Since the operation block protrudes from the cover plate, it is convenient for the technician to operate. When winding the CPP film, the provided cover plate seals the installation groove, which is not likely to accidentally touch the fixed pawl and the locking worm, reducing the risk of unlocking the paper tube and the winding roller during the winding process.

[0029] In summary, the present application includes at least one of the following beneficial technical effects:

[0030] 1. By providing the frame, winding roller, driving motor, paper tube, support column, support plate, synchronous wheel and locking member, when it is necessary to wind the CPP film, the technician coaxially sleeved the paper tube on the winding roller, and then the technician rotated the synchronous wheel to drive the support column to slide, thereby driving a plurality of support plates to abut against the inner peripheral wall of the paper tube, and restricting the rotation of the synchronous wheel through the locking member to realize the fixation of the winding roller and the paper tube. Then the technician wound the CPP film around the outer peripheral wall of the paper tube and started the driving motor to drive the winding roller to rotate, realizing the winding of the CPP film. By manually operating to fix the paper tube and the winding roller, when the air source pressure is unstable, the risk of unstable fixation of the paper tube by the air expansion shaft is reduced, and the winding stability is improved, thereby improving the winding quality of the CPP film;

[0031] 2. By providing multiple groups of winding rollers, rotating rods, rotating disks, mounting seats and rotating motors, the mounting seat includes a base and a top cover. After winding is completed, the rotating motor drives the rotating rod and the rotating disk to rotate synchronously, so that multiple groups of mounting seats and multiple groups of winding rollers rotate synchronously around the axis direction of the rotating rod until the wound winding roller rotates to the area for disassembling the wound paper tube. At the same time, the CPP film is attached to the paper tube on the winding roller located on the top of the rotating disk at this time. Then the technician cuts off the CPP film and removes the top cover on the side of the wound winding roller away from the driving motor. Then the technician rotates the winding roller around the axis direction of the other base, so that the end of the winding roller away from the driving motor is separated from the rotating disk, making it difficult for the rotating disk to obstruct the movement of the paper tube together with the CPP film along the axis direction of the winding roller, facilitating the technician to disassemble the paper tube and the CPP film;

[0032] At the same time, the driving motor corresponding to the winding roller located on the top of the rotating disk at this time works to drive the winding roller located on the top of the rotating disk to rotate, realizing the disassembly of the wound paper tube and the CPP film, and at the same time continuing to wind the CPP film, improving the winding efficiency;

[0033] 3. When winding, through the provided sliding block, cutting knife, pushing cylinder, photoelectric sensor and controller, when the CPP film is being wound, when the photoelectric sensor detects that the thickness of the wound CPP film reaches the set value, it transmits an electrical signal to the controller. The controller then transmits the electrical signal to the pushing cylinder, rotating motor and driving motor. At this time, the controller first drives the rotating motor to work, driving the rotating disc to rotate, so as to rotate the wound winding roll to the area for disassembling the wound paper tube. Then, the technician rotates the wound winding roll and disassembles the wound paper tube together with the CPP film. At the same time, the CPP film adheres to the paper tube on the winding roll located at the top of the rotating disc. Then, the controller drives the pushing cylinder to work, driving the sliding block and the cutting knife to move synchronously to achieve automatic cutting of the CPP film. Then, the controller drives the driving motor corresponding to the wound winding roll to stop working, and at the same time, the controller drives the driving motor corresponding to the winding roll located at the top of the rotating disc to work to continue winding the CPP film. By driving the pushing cylinder, rotating motor and driving motor to work together through the controller, the working efficiency when replacing the paper tube is improved. Description of the Drawings

[0034] Figure 1 is the overall structural schematic diagram of the embodiment of the present application;

[0035] Figure 2 is the connection structural schematic diagram of the fixed ratchet wheel and the fixed ratchet pawl;

[0036] Figure 3 is the connection structural schematic diagram of the locking worm gear and the locking worm;

[0037] Reference numerals: 1, frame; 11, winding roll; 111, installation groove; 12, driving motor; 13, paper tube; 14, operation block; 15, cover plate; 2, fixing component; 21, support column; 22, support plate; 23, synchronous pulley; 24, protrusion; 25, locking member; 251, fixed ratchet wheel; 252, fixed ratchet pawl; 253, reset member; 254, locking worm gear; 255, locking worm; 256, rotating groove; 257, insertion hole; 26, adjusting member; 261, adjusting ring; 262, pressing block; 263, adjusting groove; 264, rotating groove; 3, disassembly component; 31, mounting seat; 311, base; 312, top cover; 32, rotating rod; 33, rotating disc; 34, rotating motor; 35, sliding block; 36, cutting knife; 37, pushing cylinder; 38, photoelectric sensor; 39, controller. Detailed Embodiment

[0038] The following further Figures 1-3 describes the present application in detail.

[0039] Embodiment 1

[0040] The embodiment of the present application discloses a winding device for CPP film production. Refer to Figure 1 , a winding device for CPP film production includes a frame 1 horizontally fixed on the ground, a winding roller 11 rotatably arranged on the frame 1, and a driving motor 12 for driving the winding roller 11 to rotate. The frame 1 is in the shape of a cuboid. A paper tube 13 is coaxially and movably fixed to the winding roller 11. The axis direction of the winding roller 11 is consistent with the length direction of the frame 1.

[0041] In order to fix the paper tube 13 and the winding roller 11, a fixing component 2 is arranged on the winding roller 11. Refer to Figure 2 , there are two groups of fixing components 2, and the two groups of fixing components 2 are arranged oppositely along the length direction of the frame 1. The fixing component 2 includes a support column 21 slidably connected to the winding roller 11. The support column 21 slides along the radial direction of the winding roller 11. One end of the support column 21 protrudes from the outer peripheral wall of the winding roller 11. A support plate 22 is fixed to the end of the support column 21 protruding from the outer peripheral wall of the winding roller 11. The two groups of support columns 21 are connected to the same support plate 22. The support plate 22 is movably abutted against the inner peripheral wall of the paper tube 13, and the joint surface between the support plate 22 and the inner peripheral wall of the paper tube 13 is arc-shaped. Each group of support columns 21 includes a plurality of support columns 21 arranged at equal intervals along the circumferential direction of the winding roller 11. In the present application, the support columns 21 are set to three. In other embodiments, the support columns 21 can also be set to two, five, six or other numbers, and the arrangement method is the same as that of the present application. A synchronous wheel 23 is rotatably connected to the winding roller 11 coaxially. The outer peripheral wall of the synchronous wheel 23 is movably abutted against the side wall of the support column 21 away from the support plate 22. Three protrusions 24 are also arranged on the synchronous wheel 23, and the three protrusions 24 correspond to the three support columns 21 one by one. A locking member 25 for fixing the synchronous wheel 23 is arranged on the winding roller 11.

[0042] When the CPP film needs to be wound, the technician sleeved the paper tube 13 on the outer peripheral wall of the winding roller 11, and then the technician rotated the two groups of synchronous wheels 23 forward synchronously, so that the protrusions 24 abutted against the support columns 21 and drove the support columns 21 to slide along the radius of the winding roller 11 in a direction away from the axis of the winding roller 11, so that the three support plates 22 were all abutted against the inner peripheral wall of the paper tube 13. The rotation of the synchronous wheel 23 was restricted by the arranged locking member 25 to realize the fixation of the paper tube 13 and the winding roller 11. Then the technician wound one end of the CPP film around the outer peripheral wall of the paper tube 13 and started the driving motor 12. The driving motor 12 drove the winding roller 11 to rotate to realize the winding of the CPP film. The paper tube 13 and the winding roller 11 were fixed by a mechanical mechanism, reducing the risk of unstable fixation of the paper tube 13 by an air shaft when the air source pressure was unstable, improving the winding stability, and thus improving the winding quality of the CPP film.

[0043] Furthermore, in order to facilitate the fixing operation of the synchronous wheel 23, refer to Figure 2, mounting grooves 111 for the synchronous wheels 23 to rotate are formed on both opposite side walls of the winding roller 11. The locking member 25 includes a fixed ratchet wheel 251 coaxially fixed to the synchronous wheel 23. A fixed pawl 252 is rotatably connected to the inner peripheral wall of the mounting groove 111. The rotation axis of the fixed pawl 252 is consistent with the axis direction of the winding roller 11. The fixed pawl 252 is movably engaged with the fixed ratchet wheel 251. A reset member 253 is fixedly connected to the rotation position of the fixed pawl 252. The reset member 253 rotates the fixed pawl 252 and makes the fixed pawl 252 engage with the fixed ratchet wheel 251. In order to improve the fixing stability of the fixed ratchet wheel 251, multiple fixed pawls 252 are provided. The multiple fixed pawls 252 are arranged at equal intervals along the circumferential direction of the winding roller 11. In this application, two fixed pawls 252 are provided. In other embodiments, the number of fixed pawls 252 can also be three, five, six, etc., and the arrangement method is the same as that in this application.

[0044] In order to adjust the fixed pawl 252 and facilitate unlocking the synchronous wheel 23, an adjusting member 26 for rotating and adjusting the fixed pawl 252 is provided on the winding roller 11. Refer to Figure 2 , the adjusting member 26 includes an adjusting ring 261 coaxially and rotatably connected to the outer peripheral wall of the winding roller 11. A rotating groove 264 for the adjusting ring 261 to rotate is formed on the winding roller 11. The adjusting ring 261 is attached to the inner side wall of the rotating groove 264. One end of the fixed pawl 252 away from the fixed ratchet wheel 251 is fixed with an abutting block 262. The other end of the abutting block 262 protrudes from the inner bottom wall of the rotating groove 264. The abutting block 262 is movably abutted against the inner peripheral wall of the adjusting ring 261. Two adjusting grooves 263 for the two abutting blocks 262 to rotate are formed on the adjusting ring 261. The two abutting blocks 262 correspond to the two adjusting grooves 263 one by one.

[0045] To facilitate rotating the fixed ratchet wheel 251 in the mounting groove 111, refer to Figure 1 , the fixed ratchet wheel 251 is located on the side of the synchronous wheel 23 away from the bottom wall of the mounting groove 111. An operating block 14 is coaxially fixed to the side wall of the fixed ratchet wheel 251 away from the synchronous wheel 23. Cover plates 15 are detachably provided on both opposite side walls of the winding roller 11. The operating block 14 protrudes from the cover plate 15.

[0046] When fixing the paper tube 13 and the winding roller 11, the technician rotates the operating block 14 forward. The operating block 14 protrudes from the cover plate 15, which is convenient for the technician to operate. Due to the characteristics of the fixed ratchet wheel 251 and the fixed pawl 252, and the abutting block 262 is located in the adjusting groove 263, the adjusting ring 261 does not easily hinder the rotation of the fixed pawl 252, so that the fixed ratchet wheel 251 rotates forward relative to the fixed pawl 252, thereby making the fixed ratchet wheel 251 rotate synchronously with the synchronous wheel 23, which is convenient for the rotation of the synchronous wheel 23.

[0047] Meanwhile, the synchronous wheel 23 rotates to drive the support column 21 to slide until the support plate 22 abuts against the inner peripheral wall of the paper tube 13. At this time, the technician stops rotating the operation block 14, and the reset member 253 drives the fixed pawl 252 to rotate and makes the fixed pawl 252 engage with the fixed ratchet wheel 251. In this application, the reset member 253 is a reset torsion spring. Due to the characteristics of the fixed ratchet wheel 251 and the fixed pawl 252, the fixed ratchet wheel 251 is not easily rotated in the reverse direction relative to the fixed pawl 252, realizing the fixation of the fixed ratchet wheel 251, thereby restricting the rotation of the synchronous wheel 23, and further realizing the fixation of the paper tube 13 and the winding roller 11, improving the convenience of the fixation operation of the paper tube 13 and the winding roller 11.

[0048] When winding the CPP film, the technician starts the drive motor 12 to drive the winding roller 11 to rotate, realizing the winding of the CPP film. At this time, the rotation direction of the winding roller 11 is consistent with the rotation direction of the fixed ratchet wheel 251 when the paper tube 13 is fixed. When the winding roller 11 accelerates, the fixed ratchet wheel 251 is not easily reversed relative to the winding roller 11 due to inertia. When the winding roller 11 decelerates, the fixed ratchet wheel 251 rotates forward relative to the winding roller 11 due to inertia. At this time, the synchronous wheel 23 continues to rotate forward, making the support plate 22 further abut against the inner peripheral wall of the paper tube 13, reducing the influence on the fixing stability of the paper tube 13 when the winding roller 11 accelerates or decelerates.

[0049] At the same time, the provided cover plate 15 seals the installation groove 111, not easily causing accidental touch to the fixed pawl 252. At the same time, the provided synchronous ring is not easily causing accidental touch to the abutting block 262, thereby not easily unlocking the fixed ratchet wheel 251 and reducing the risk of unlocking the paper tube 13 and the winding roller 11 during the winding process.

[0050] When unlocking the paper tube 13 and the winding roller 11, the technician reversely rotates the adjusting ring 261, making the inner side wall of the adjusting ring 261 abut against the abutting block 262 and driving the two abutting blocks 262 to rotate synchronously, so that the two fixed pawls 252 are separated from the fixed ratchet wheel 251, making the fixed ratchet wheel 251 rotatable relative to the fixed pawl 252, realizing the unlocking of the fixed ratchet wheel 251, and thus realizing the unlocking of the paper tube 13 and the winding roller 11, simplifying the operation of unlocking the paper tube 13 and the winding roller 11.

[0051] Furthermore, in order to facilitate the technician to disassemble the paper tube 13, a disassembly component 3 is provided on the frame 1. Refer to Figure 1, the disassembly component 3 includes a rotating rod 32 rotatably connected to the frame 1. The axis of the rotating rod 32 is parallel to the axis of the winding roller 11. Rotating disks 33 are coaxially fixed at both ends of the rotating rod 32. The two rotating disks 33 are symmetrically arranged along the length direction of the frame 1. Multiple groups of mounting seats 31 are provided on the rotating disks 33. The multiple groups of mounting seats 31 are evenly spaced along the circumferential direction of the rotating disks 33. Each group of mounting seats 31 includes two mounting seats 31 arranged oppositely along the length direction of the frame 1. The mounting seat 31 includes a base 311 rotatably connected to the rotating disk 33 and a top cover 312 detachably connected to the base 311 by bolts. The rotation axis of the base 311 is perpendicular to the axis of the winding roller 11. In this application, four groups of mounting seats 31 are provided. In other embodiments, the number of groups of mounting seats 31 can also be set to three groups, five groups, six groups, etc. The arrangement method is the same as that of this application. In this application, both the winding roller 11 and the driving motor 12 are provided with four groups. The four groups of winding rollers 11, the four groups of driving motors 12, and the four groups of winding rollers 11 and the four groups of mounting seats 31 correspond one by one. Both ends of the winding roller 11 correspond to and are rotatably connected to the two mounting seats 31 in the same group. The driving motor 12 is fixedly connected to the base 311 of one mounting seat 31 in the same group, and the output end of the driving motor 12 is fixedly connected to the rotation of the winding roller 11. A rotating motor 34 is fixed on the frame 1, and the output end of the rotating motor 34 is fixedly connected to one end of the rotating rod 32. When winding the CPP film, the winding roller 11 for winding is located at the top of the rotating disk 33.

[0052] In order to cut the wound CPP film and facilitate the disassembly of the wound paper tube 13 and CPP, refer to Figure 1 , the disassembly component 3 further includes a sliding block 35 slidably connected to the frame 1. The sliding direction of the sliding block 35 is consistent with the axis direction of the winding roller 11. A cutting knife 36 is fixed on the side wall of the sliding block 35 close to the axis of the rotating disk 33. The cutting knife 36 is located on the side of the top winding roller 11 away from the CPP film conveying direction. The cutting knife 36 cuts the CPP film. A pushing cylinder 37 is fixed on the frame 1, and the output end of the pushing cylinder 37 is fixedly connected to the sliding block 35. A photoelectric sensor 38 and a controller 39 are provided on the frame 1. The photoelectric sensor 38 detects the thickness of the wound CPP film. The photoelectric sensor 38 is electrically connected to the controller 39. The controller 39 is electrically connected to the rotating motor 34, the driving motor 12, and the pushing cylinder 37.

[0053] When winding the CPP film, the winding roller 11 for winding is located at the top of the rotating disk 33, and the rotation axis of the base 311 corresponding to the winding roller 11 for winding is in a horizontal state. When the photoelectric sensor 38 detects that the wound CPP film reaches the set thickness, it transmits an electrical signal to the controller 39, and the controller 39 transmits the electrical signal to the pushing cylinder 37, the rotating motor 34, and the driving motor 12.

[0054] The controller 39 first drives the rotation motor 34 to operate, drives the rotation rod 32 to rotate, and drives the two rotation disks 33 to rotate synchronously, thereby driving multiple sets of mounting seats 31 to rotate synchronously. At this time, the rotation direction of the rotation disk 33 is consistent with the rotation direction of the winding roller 11, causing multiple sets of winding rollers 11 to rotate synchronously in the positive direction around the rotation rod 32. Thus, the wound winding roller 11 rotates 90° to the area for disassembling the wound paper tube 13. At this time, another set of winding roller 11 adjacent to the wound winding roller 11 also rotates 90° to the top of the rotation disk 33. Meanwhile, the CPP film adheres to the paper tube 13 on the winding roller 11 located at the top of the rotation disk 33 at this time. The controller 39 drives the drive motor 12 corresponding to the wound winding roller 11 to stop rotating.

[0055] Then the controller 39 drives the pushing cylinder 37 to complete a reciprocating cycle of movement, drives the sliding block 35 and the cutting knife 36 to move synchronously along the axis direction of the winding roller 11, realizes the automatic cutting of the CPP film. Then the controller 39 drives the drive motor 12 corresponding to the winding roller 11 located at the top of the rotation disk 33 at this time to operate, realizes the continuous winding of the CPP film.

[0056] Meanwhile, the technician removes the top cover 312 of the mounting seat 31 on the side of the wound winding roller 11 away from the drive motor 12. Then the technician rotates the winding roller 11 around the axis direction of the other base 311, separates the end of the winding roller 11 away from the drive motor 12 from the mounting seat 31. Thus, the rotation disk 33 is not likely to obstruct the movement of the paper tube 13 and the CPP film along the axis direction of the winding roller 11, facilitating the technician to disassemble the paper tube 13 and the CPP film and install a new paper tube 13. And during the process of disassembling and installing the new paper tube 13, it is not likely to affect the continuous winding of the CPP film by the winding roller 11 on the top of the rotation disk 33, improving the winding efficiency.

[0057] The photoelectric sensor 38 transmits an electrical signal to the controller 39, and the controller 39 transmits the electrical signal to the pushing cylinder 37, the rotation motor 34, and the drive motor 12, enabling the pushing cylinder 37, the rotation motor 34, and the drive motor 12 to work together to improve the working efficiency when replacing the paper tube 13.

[0058] The implementation principle of a winding device for CPP film production in an embodiment of the present application is as follows: When it is necessary to wind the CPP film, the technician sleeved the paper tube 13 on the winding roller 11. Then the technician rotates the operation block 14, drives the two sets of fixed ratchets 251 and the two sets of synchronous wheels 23 to rotate synchronously. The synchronous wheel 23 drives the support column 21 to slide, making the three support plates 22 abut against the inner peripheral wall of the paper tube 13. At this time, the fixed pawl 252 meshes with the fixed ratchet 251, realizing the fixation of the paper tube 13 and the winding roller 11.

[0059] Then, the technician wraps one end of the CPP film around the paper tube 13, and the corresponding drive motor 12 operates to wind up the CPP film. When the photoelectric sensor 38 detects that the wound CPP film reaches the set thickness, it transmits an electrical signal to the controller 39. The controller 39 transmits the electrical signal to the push cylinder 37, the rotation motor 34, and the drive motor 12. The controller 39 drives the rotation rod 32 to rotate, drives the rotation disk 33 to rotate, drives the four sets of mounting seats 31 to rotate, so that the wound winding roller 11 rotates 90° to the area for disassembling the paper tube 13. At this time, another winding roller 11 adjacent to the wound winding roller 11 also rotates 90° to the top of the rotation disk 33. At the same time, the CPP film adheres to the paper tube 13 on the winding roller 11 located at the top of the rotation disk 33 at this time. The controller 39 drives the drive motor 12 corresponding to the wound winding roller 11 to stop rotating.

[0060] Then, the controller 39 drives the push cylinder 37 to move, drives the slider 35 to slide, and makes the cutting knife 36 cut the CPP film. Then, the controller 39 drives the drive motor 12 corresponding to the winding roller 11 located at the top of the rotation disk 33 at this time to operate, so as to continue winding up the CPP film.

[0061] At the same time, the technician removes the top cover 312 of the mounting seat 31 on the side of the wound winding roller 11 away from the drive motor 12. Then, the technician rotates the winding roller 11, so that one end of the winding roller 11 away from the drive motor 12 is separated from the mounting seat 31. Then, the technician rotates the two adjusting rings 261, drives the pressing block 262 and the fixed pawl 252 to rotate synchronously, so that the fixed pawl 252 is separated from the fixed ratchet wheel 251, realizes the unlocking of the fixed ratchet wheel 251, and further realizes the unlocking of the synchronous wheel 23, and then realizes the unlocking of the paper tube 13 and the winding roller 11. Then, the technician disassembles the paper tube 13 and the CPP film, and installs a new paper tube 13.

[0062] Embodiment 2

[0063] Refer to Figure 3 In this application, the difference between Embodiment 2 and Embodiment 1 is that: the locking member 25 includes a locking worm gear 254 coaxially fixed on the synchronous wheel 23. Installation grooves 111 for the synchronous wheel 23 to rotate are formed on both opposite side walls of the winding roller 11. The locking worm gear 254 is located on the side of the synchronous wheel 23 away from the bottom wall of the installation groove 111. A locking worm 255 is rotatably connected to the winding roller 11. The locking worm 255 meshes with the locking worm gear 254. A rotation groove 256 in the shape of a regular hexagon is formed on one side wall of the locking worm 255, which is convenient for the technician to rotate the locking worm 255 through an inner hexagon wrench. A plug hole 257 for the inner hexagon wrench to be inserted into the rotation groove 256 is also formed on the side wall of the winding roller 11.

[0064] When fixing the paper tube 13 and the winding roller 11, the technician inserts an Allen wrench into the rotation groove 256 through the insertion hole 257 and rotates the Allen wrench to synchronously rotate the two groups of locking worms 255, driving the two groups of locking worm wheels 254 to synchronously rotate, thereby driving the two groups of synchronous wheels 23 to rotate. The rotation of the synchronous wheels 23 drives the support columns 21 to slide until the support plate 22 abuts against the inner peripheral wall of the paper tube 13. Then the technician stops rotating the locking worm 255, and through the self-locking of the locking worm wheel 254 and the locking worm 255, the fixation of the locking worm wheel 254 and the synchronous wheel 23 is achieved, thereby realizing the fixation of the paper tube 13 and the winding roller 11, simplifying the mechanical mechanism for fixing the synchronous wheel 23, and improving the reliability of the fixation of the paper tube 13 and the winding roller 11.

[0065] The implementation principle of the winding device for CPP film production in Embodiment 2 of the present application is as follows: When fixing the paper tube 13 and the winding roller 11, the technician inserts an Allen wrench into the rotation groove 256 and rotates the Allen wrench to synchronously rotate the two groups of locking worms 255, driving the two groups of locking worm wheels 254 to synchronously rotate, thereby driving the two groups of synchronous wheels 23 to rotate. The rotation of the synchronous wheels 23 drives the support columns 21 to slide until the support plate 22 abuts against the inner peripheral wall of the paper tube 13. Then the technician stops rotating the locking worm 255, and through the self-locking of the locking worm wheel 254 and the locking worm 255, the fixation of the locking worm wheel 254 and the synchronous wheel 23 is achieved.

[0066] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A winding device for CPP film production, characterized in that: The invention comprises a frame (1), a winding roller (11) rotatably arranged on the frame (1), and a driving motor (12) driving the winding roller (11) to rotate; the winding roller (11) is coaxially movably provided with a paper tube (13); a CPP film is wound on the outer peripheral wall of the paper tube (13); the winding roller (11) is provided with a fixing component (2) for fixing the paper tube (13) and the winding roller (11); and the frame (1) is provided with a disassembly component (3) for disassembling the paper tube (13); The fixing assembly (2) comprises a plurality of support columns (21) slidably arranged on the winding roller (11), the plurality of support columns (21) being evenly spaced along the circumference direction of the winding roller (11), the support columns (21) sliding along the radial direction of the winding roller (11), and one end of the support column (21) protruding from the outer peripheral wall of the winding roller (11), a support plate (22) being provided on the side wall of the support column (21) away from the axis of the winding roller (11), and the plurality of support plates ( The winding roller (11) is provided with a synchronous wheel (23) which is coaxially rotatable, and the outer peripheral wall of the synchronous wheel (23) is movably pressed against the side wall of the support column (21) away from the support plate (22). The synchronous wheel (23) is provided with a plurality of protrusions (24), and the plurality of protrusions (24) correspond one-to-one with the plurality of support columns (21). The winding roller (11) is provided with a locking member (25) for fixing the synchronous wheel (23).

2. The winding device for CPP film production according to claim 1, characterized in that: The side wall of the winding roller (11) is provided with a mounting groove (111) for the synchronous wheel (23) to rotate. The locking member (25) comprises a fixed ratchet (251) coaxially arranged on the synchronous wheel (23). A fixed pawl (252) is rotatably arranged on the inner peripheral wall of the mounting groove (111). The fixed ratchet (251) is movably engaged with the fixed pawl (252). A reset member (253) is provided at the rotating shaft of the fixed pawl (252). The reset member (253) causes the fixed pawl (252) to rotate and engage with the fixed ratchet (251). The winding roller (11) is provided with an adjusting member (26) for adjusting the rotation of the fixed pawl (252).

3. The winding device for CPP film production according to claim 2, characterized in that: A plurality of fixed pawls (252) are provided, and the plurality of fixed pawls (252) are evenly spaced along the circumference direction of the winding roller (11); the adjusting member (26) comprises an adjusting ring (261) coaxially rotatably arranged on the winding roller (11); the inner peripheral wall of the adjusting ring (261) is in contact with the outer peripheral wall of the winding roller (11); one end of the fixed pawl (252) away from the fixed ratchet (251) is fixedly connected with a clamping block (262); the clamping block (262) protrudes from the outer peripheral wall of the winding roller (11) and is movably clamped against the inner peripheral wall of the adjusting ring (261); a plurality of adjusting grooves (263) are provided on the adjusting ring (261) for the plurality of clamping blocks (262) to rotate; the plurality of clamping blocks (262) correspond one to one with the plurality of adjusting grooves (263).

4. The winding device for CPP film production according to claim 1, characterized in that: A mounting groove (111) for the synchronous wheel (23) to rotate is provided on the side wall of the winding roller (11), the locking member (25) comprises a locking worm wheel (254) coaxially arranged on the synchronous wheel (23), and a locking worm (255) is rotatably arranged on the winding roller (11) and meshes with the fixed worm wheel.

5. The winding device for CPP film production according to claim 3, characterized in that: The disassembly assembly (3) comprises a mounting seat (31) arranged on the frame (1), wherein two mounting seats (31) are provided, and the two mounting seats (31) correspond to the two ends of the winding roller (11) one by one and are rotatably connected, the mounting seat (31) comprises a base (311) and a top cover (312) detachably connected to the base (311), the base (311) is rotatably connected to the frame (1), and the rotation axis of the base (311) is perpendicular to the rotation axis of the winding roller (11), and the drive motor (12) is arranged on one side of the base (311) and is connected to the rotation axis of the winding roller (11).

6. A winding device for CPP film production according to claim 5, characterized in that: The disassembly assembly (3) further comprises a rotating rod (32) rotatably arranged on the frame (1); two rotating disks (33) are coaxially symmetrically arranged on the rotating rod (32); the two rotating disks (33) correspond to the two mounting seats (31) one by one, and the base (311) is rotatably connected to the rotating disks (33); a plurality of winding rollers (11) are provided, and the plurality of winding rollers (11) are evenly spaced along the circumference direction of the rotating disks (33); a rotating motor (34) is provided on the frame (1); and an output end of the rotating motor (34) is connected to the rotating rod (32).

7. A winding device for CPP film production according to claim 6, characterized in that: The disassembly assembly (3) further comprises a sliding block (35) slidably arranged on the frame (1), the sliding direction of the sliding block (35) being consistent with the axial direction of the winding roller (11), a cutting knife (36) being provided on the side wall of the sliding block (35) close to the axis of the rotating disk (33), a pushing cylinder (37) being provided on the frame (1), the output end of the pushing cylinder (37) being connected to the sliding block (35), a photoelectric sensor (38) and a controller (39) being provided on the frame (1), the photoelectric sensor (38) detecting the thickness of the CPP film being wound, the photoelectric sensor (38) being electrically connected to the controller (39), and the controller (39) being electrically connected to the driving motor (12), the rotating motor (34) and the pushing cylinder (37).

8. The winding device for CPP film production according to claim 7, characterized in that: The fixed ratchet (251) is located on a side of the synchronous wheel (23) away from the bottom wall of the installation groove (111); an operating block (14) is coaxially arranged on the side wall of the fixed ratchet (251) away from the synchronous wheel (23); a cover plate (15) is arranged on the side wall of the winding roller (11) close to the installation groove (111); and the operating block (14) protrudes from the cover plate (15).

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