Label pasting mechanism of rewinding machine

Abstract

The invention discloses a label pasting mechanism of a rewinding machine, relates to the technical field of rewinding machines, and aims to improve the automation degree and precision of film rewinding and label pasting. The mechanism comprises a feeding and discharging unit, a cutting unit, a closing-in and attaching unit and a label feeding unit. The feeding and discharging unit achieves automatic feeding of the roll core pipe and automatic discharging of the finished film roll. The cutting unit ensures that the film is accurately cut, and the product quality is improved; the closing-in and attaching unit achieves tight attaching of the thin film roll through accurate control. And the label feeding unit is used for stably conveying and accurately positioning the label to ensure that the label is firmly attached to the closing position of the film roll. Through modular design, highly automatic production is achieved, cutting precision is high, closing-up is compact, label attaching is firm, the structure is compact and easy to maintain, the production efficiency and product quality of the packaging industry are remarkably improved, and the maintenance cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of rewinding machines, in particular to a labeling mechanism for a rewinding machine. Background Art

[0002] In the modern packaging industry, rewinders are a key equipment widely used in the processing of films, paper and other materials. Traditional rewinders usually only have basic winding and cutting functions, but in the modern production environment, customers have higher and higher requirements for product labeling and packaging, and traditional rewinders can no longer meet market demand.

[0003] Specifically, during the winding process, traditional rewinding machines can only achieve continuous film winding, but cannot automatically cut, close, or label the film after winding. This results in additional manual operations in the subsequent production process, which not only increases production costs but also reduces production efficiency.

[0004] In order to solve the above problems, some rewinders with cutting and labeling functions have appeared on the market. However, these devices still have shortcomings in feeding and unloading, such as manual loading and unloading, low degree of automation, and cannot meet the needs of large-scale and high-efficiency production.

[0005] In addition, existing rewinding machines also have some technical bottlenecks in cutting, closing and labeling. For example, the cutting accuracy is not high enough, resulting in uneven edges of the film roll; the closing is not tight enough, resulting in the film roll being easy to loosen during use; the label is not firmly attached and is easy to fall off.

[0006] Therefore, there is an urgent need for a new type of rewinder label labeling mechanism that can solve the above-mentioned problems in the prior art, improve production efficiency, reduce production costs, and meet the market's high requirements for product identification and packaging. Summary of the invention

[0007] In view of the deficiencies of the prior art, the present invention provides a labeling mechanism for a rewinding machine, which solves the problems raised by the above-mentioned background technology.

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a rewinding machine label labeling mechanism, including a rewinding machine frame, and a rewinding roller unit, a cutting unit, a closing and laminating unit and a label feeding unit installed inside the rewinding machine frame, and the side of the rewinding machine frame is provided with feeding and unloading units in parallel, and the film material tray is configured to provide the film to be rewound to the rewinding roller unit.

[0009] Furthermore, the rewinding roller unit is composed of a driving disk and a plurality of rewinding roller shafts, wherein the plurality of rewinding roller shafts are rotatably connected to the inside of the driving disk, and the driving disk can drive the rewinding roller shafts to rotate synchronously.

[0010] Furthermore, the feeding and unloading unit is mainly composed of a lifting device, a feeding device and a unloading device, wherein the feeding device is installed on the upper part of the lifting device, and the unloading device is installed as a whole on the rewinding machine frame and the upper part of the lifting device respectively.

[0011] Furthermore, the lifting device includes a feeding frame, a storage bin, an active sprocket roller, a driven sprocket roller, a lifting chain, a supporting seat, a feeding drive motor and a guide plate, wherein the storage bin is arranged on the side of the feeding frame, and its bottom end is inclined toward the position of the lifting chain.

[0012] Furthermore, the feeding device includes a material trough, a feeding linear drive module, a pushing plate and an avoidance hole, wherein the material trough and the feeding linear drive module are both installed on the top of the feeding frame.

[0013] Furthermore, the unloading device includes a unloading linear drive module, a base one, a base two, a push drive cylinder, a push plate, an avoidance groove, a lifting drive cylinder, a lifting seat, a film roll conveyor belt, a roller, a unloading drive cylinder, a unloading plate and a discharge plate, wherein the unloading linear drive module is installed inside the rewinder frame, and the base one is installed on the top of the feed frame.

[0014] Furthermore, the cutting unit includes a tool linear drive module, a knife advance and retract drive cylinder, a base three, a tool drive motor, a knife disc and a synchronous belt drive kit, wherein the tool linear drive module is installed inside the rewinder frame.

[0015] Furthermore, the closing and laminating unit includes a screw drive module, a base four, an advance and retract roller drive cylinder, a base five, a swing arm, a closing roller pressure shaft, a spring and a pressure roller shaft, wherein the screw drive module is symmetrically installed on the inner side of the rewinding machine frame.

[0016] Furthermore, the label feeding unit includes a label material tray, a pulling device, a negative pressure adsorption device and a scissor cylinder, wherein the pulling device includes a pulling linear drive module, a label clamping drive cylinder, a clamping plate, a material pressing drive cylinder and a material pressing plate, and the negative pressure adsorption device includes a vacuum adsorption roller, a reserved groove, an adsorption seat, air holes and adsorption holes, and these components are all installed on the rewinding machine frame.

[0017] Furthermore, the pulling linear drive module is installed inside the rewinding machine frame, the clamping drive cylinder and the pressing drive cylinder are installed at the driving end of the pulling linear drive module, and the vacuum adsorption roller is rotatably connected inside the rewinding machine frame.

[0018] The present invention provides a labeling mechanism for a rewinding machine. Compared with the prior art, it has the following beneficial effects:

[0019] 1. The integrated feeding and unloading unit realizes the automatic loading of the core tube and the automatic unloading of the finished film roll, which greatly reduces manual operation and improves the automation level of the production line. The key steps such as cutting, closing and labeling are all completed automatically by mechanical devices, ensuring the continuity and stability of the production process and significantly improving the overall production efficiency.

[0020] 2. The cutting unit adopts precise tool linear drive module and advance and retract tool drive cylinder, combined with efficient cutter disc and synchronous belt drive kit, to ensure the accuracy and consistency of film cutting. High-precision cutting can avoid damage and unevenness of film edges, thereby improving the appearance quality and practicality of finished film rolls;

[0021] 3. The closing and laminating unit realizes the close fitting and compaction of the film roll through the precise control of the screw drive module and the advance and retract roller drive cylinder. The design of the spring and the pressure roller shaft further enhances the tightness and stability of the closing part, effectively preventing the film roll from loosening during use;

[0022] 4. The label feeding unit adopts negative pressure adsorption device and precise pulling device to ensure the stable conveying and precise positioning of the label tape. The cutting action of the scissor cylinder and the sticky adhesive surface design of the label ensure that the label can be firmly attached to the closing part of the film roll, improving the identification and traceability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the first viewing angle of the present invention;

[0024] Figure 2 It is a structural schematic diagram of the second viewing angle of the present invention;

[0025] Figure 3 It is a structural schematic diagram of the rewinding roller unit, the cutting unit, the closing and laminating unit, and the label feeding unit in the present invention from a first viewing angle;

[0026] Figure 4 It is a structural schematic diagram of the rewinding roller unit, the cutting unit, the closing and laminating unit, and the label feeding unit in the present invention from a second viewing angle;

[0027] Figure 5 It is a structural schematic diagram of the material supply and unloading unit in the present invention;

[0028] Figure 6 It is a structural schematic diagram of the lifting device of the present invention from a first viewing angle;

[0029] Figure 7 It is a structural schematic diagram of the lifting device of the present invention from a second viewing angle;

[0030] Figure 8It is a structural schematic diagram of the feeding device in the present invention;

[0031] Fig. 9 It is a structural schematic diagram of the unloading device in the present invention;

[0032] Fig.10 It is a structural schematic diagram of the unloading driving cylinder and the unloading plate in the present invention;

[0033] Fig.11 is a schematic structural diagram of a cutting unit in the present invention;

[0034] Fig.12 It is a structural schematic diagram of the closing and laminating unit in the present invention;

[0035] Fig.13 It is a structural schematic diagram of the label feeding unit in the present invention;

[0036] Fig.14 It is a schematic diagram of the structure of the pulling device in the present invention;

[0037] Fig.15 It is a schematic diagram of the disassembled structure of the negative pressure adsorption device in the present invention.

[0038] In the figure: 1, rewinding machine frame; 2, rewinding roller unit; 21, driving disc; 22, rewinding roller shaft; 3, feeding and unloading unit; 31, lifting device; 311, feeding frame; 312, storage bin; 313, driving sprocket roller; 314, driven sprocket roller; 315, lifting chain; 316, bearing seat; 317, feeding drive motor; 318, guide plate; 32, feeding device; 321, material trough; 322, feeding Linear drive module; 323, push plate; 324, avoidance hole; 33, unloading device; 331, unloading linear drive module; 332, base 1; 333, base 2; 334, push drive cylinder; 335, push plate; 336, avoidance groove; 337, lifting drive cylinder; 338, lifting seat; 339, film roll conveyor belt; 3310, roller; 3311, unloading drive cylinder; 3312, unloading Plate; 3313, discharge plate; 4, cutting unit; 41, tool linear drive module; 42, advance and retreat drive cylinder; 43, base three; 44, tool drive motor; 45, knife disc; 46, synchronous belt drive kit; 5, closing and laminating unit; 51, screw drive module; 52, base four; 53, advance and retreat roller drive cylinder; 54, base five; 55, swing arm; 56, closing roller pressure shaft; 57, spring; 58, pressure Material roller shaft; 6. Label feeding unit; 61. Label material tray; 62. Pulling device; 621. Pulling linear drive module; 622. Label clamping drive cylinder; 623. Clamping plate; 624. Material pressing drive cylinder; 625. Material pressing plate; 63. Negative pressure adsorption device; 631. Vacuum adsorption roller; 632. Reserved groove; 633. Adsorption seat; 634. Air hole; 635. Adsorption hole; 64. Scissors cylinder; 7. Film material tray. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] See also Figure 1-15The present invention provides a technical solution: a rewinding machine labeling mechanism, mainly composed of a rewinding machine frame 1, a rewinding roller unit 2, a feeding and unloading unit 3, a cutting unit 4, a closing and laminating unit 5, a label feeding unit 6, and a film material tray 7, wherein the rewinding roller unit 2, the cutting unit 4, the closing and laminating unit 5, and the label feeding unit 6 are all installed inside the rewinding machine frame 1, the feeding and unloading unit 3 is arranged side by side on the side of the rewinding machine frame 1, the rewinding roller unit 2 is composed of a driving disk 21 and a plurality of rewinding roller shafts 22, and the plurality of rewinding roller shafts 22 are all rotatably connected to the inside of the driving disk 21, and the driving disk 21 can drive a plurality of The rewinding rollers 22 rotate synchronously, so that several rewinding rollers 22 can switch positions in different processing areas. The feeding and unloading unit 3 can, on the one hand, sleeve the winding core tube on the outside of the corresponding rewinding roller 22, and on the other hand, can unload the film roll wound on the outside of the rewinding roller 22. The cutting unit 4 can cut the film so that the wound film roll is separated from the film material strip. The closing and laminating unit 5 can make the cut end of the film roll fit on the surface of the film roll and make the film roll more compact. The label feeding unit 6 can attach a label to the end of the film roll. The film material tray 7 will release the film to be rewound to the rewinding roller 22.

[0041] The feeding and unloading unit 3 is mainly composed of a lifting device 31, a feeding device 32 and a unloading device 33. The feeding device 32 is installed on the upper part of the lifting device 31, and the unloading device 33 is installed on the upper part of the rewinding machine frame 1 and the lifting device 31. Specifically,

[0042] The lifting device 31 is composed of a feeding frame 311, a storage bin 312, a driving sprocket roller 313, a driven sprocket roller 314, a lifting chain 315, a bearing seat 316, a feeding drive motor 317 and a guide plate 318, wherein the storage bin 312 is arranged on the side of the feeding frame 311, and the bottom end of the storage bin 312 is inclined toward the position of the lifting chain 315, so that the core tubes stacked in the storage bin 312 can roll to the position of the lifting chain 315, which is convenient for automatic loading. The driving sprocket roller 313 is rotatably connected to the bottom of the feeding frame 311, and the driven sprocket roller 314 is rotatably connected to the top of the feeding frame 311. The lifting chain 315 is meshed and sleeved on the driving sprocket roller 313, the driven sprocket roller 314 and the lifting chain 315. The driving sprocket roller 314 is outside the driving sprocket roller 314, and the lifting chain 315 is formed by a plurality of chain links rotatably connected, the bearing seat 316 is installed on the surface of each chain link, the feeding drive motor 317 is installed inside the feeding frame 311, and the driving end of the feeding drive motor 317 is connected to the driven end of the driving sprocket roller 313 through a sprocket transmission kit. The sprocket transmission kit consists of a driving sprocket, a driven sprocket and a chain, wherein the driving sprocket is installed at the driving end of the feeding drive motor 317, the driven sprocket is installed at the driven end of the driving sprocket roller 313, the chain is toothed and sleeved on the outside of the driving sprocket and the driven sprocket, and the guide plate 318 is installed on the top of the feeding frame 311, and the end of the guide plate 318 extends downwardly at an angle;

[0043] The feeding device 32 is composed of a material trough 321, a feeding linear drive module 322, a push plate 323 and an avoidance hole 324, wherein the material trough 321 and the feeding linear drive module 322 are both installed on the top of the feeding frame 311, the material trough 321 is a "V"-shaped structure, the winding core tube is located inside the material trough 321, the push plate 323 is installed at the driving end of the feeding linear drive module 322, and the avoidance hole 324 is reserved at the bottom of the push plate 323;

[0044] The unloading device 33 is composed of a unloading linear drive module 331, a base 1 332, a base 2 333, a push drive cylinder 334, a push plate 335, an avoidance groove 336, a lifting drive cylinder 337, a lifting seat 338, a film roll conveyor belt 339, a roller 3310, a unloading drive cylinder 3311, a unloading plate 3312 and a discharge plate 3313, wherein the unloading linear drive module 331 is installed inside the rewinding machine frame 1, the base 1 332 is installed on the top of the feeding frame 311, the base 2 333 is slidably installed on the upper part of the driving end seat body of the unloading linear drive module 331, the push drive cylinder 334 is fixedly installed on the upper part of the driving end seat body of the base 2 333, and the push drive cylinder 334 is fixedly installed on the upper part of the driving end seat body of the base 2 333. The telescopic end of the moving cylinder 334 is connected and fixed to the second base 333, the push plate 335 is installed on the upper part of the second base 333, and the side of the push plate 335 is reserved to open an avoidance groove 336, the lifting drive cylinder 337 is installed at the bottom end of the first base 332, the lifting seat 338 is installed at the telescopic end of the lifting drive cylinder 337, the film roll conveyor belt 339, the roller 3310, the unloading drive cylinder 3311 and the discharge plate 3313 are all installed on the upper part of the lifting seat 338, the unloading plate 3312 is installed at the telescopic end of the unloading drive cylinder 3311, and the unloading plate 3312 and the roller 3310 are alternately distributed, and the same-direction ends of the unloading plate 3312 and the discharge plate 3313 are both tilted downward;

[0045] When the feeding and unloading unit 3 is working, the winding core tubes are stacked and arranged inside the storage bin 312, and the feeding drive motor 317 drives the active sprocket roller 313 to rotate through the sprocket transmission kit, thereby driving the lifting chain 315 to rotate synchronously under the support of the driven sprocket roller 314, and the winding core tube will roll to the upper part of the bearing seat 316 and follow the lifting chain 315 to rise until it rises to the top, and then the winding core tube rolls to the upper part of the guide plate 318, and then rolls into the "V"-shaped material trough 321, and the feeding straight The wire drive module 322 drives the push plate 323 to push the winding core tube in the material trough 321, so that the winding core tube is sleeved on the outside of the corresponding rewinding roller shaft 22. After the winding core tube is completely sleeved, the end of the rewinding roller shaft 22 will be located in the avoidance hole 324, thereby completing the operation of loading the winding core tube onto the rewinding roller shaft 22. In addition, when it is necessary to unload the finished film roll, the push drive cylinder 334 pushes the base 333 to move, so that the push plate 335 is close to the rewinding roller shaft 22, and the push plate 335 is allowed to move through the avoidance groove 336. 35 can push the finished film roll, and then the unloading linear drive module 331 drives the base 2 333, the push drive cylinder 334, and the push plate 335 to move as a whole. The push plate 335 pushes the finished film roll outside the rewinding roller shaft 22 to the film roll conveyor belt 339, and then the film roll conveyor belt 339 assists in pushing the finished film roll until the finished film roll completely falls on the roller 3310. The height of the roller 3310 can be adjusted according to the specifications of the finished film roll, that is, the diameter. During adjustment, the lifting seat 338 can be driven by the lifting drive cylinder 337. After the finished film roll completely falls on the roller 3310, the unloading drive cylinder 3311 pushes the unloading plate 3312 to move upward. At this time, the finished film roll is supported by the unloading plate 3312, but because the unloading plate 3312 is tilted, the finished film roll will roll onto the discharge plate 3313, and the discharge plate 3313 is also tilted, so the finished film roll will eventually roll out of the discharge plate 3313, thereby realizing the unloading of the finished film roll.

[0046] The cutting unit 4 is composed of a tool linear drive module 41, a knife advance and retreat drive cylinder 42, a base three 43, a tool drive motor 44, a knife disc 45 and a synchronous belt drive kit 46, wherein the tool linear drive module 41 is installed inside the rewinder frame 1, the knife advance and retreat drive cylinder 42 is installed at the drive end of the tool linear drive module 41, the base three 43 is installed at the telescopic end of the knife advance and retreat drive cylinder 42, the tool drive motor 44 is installed at the lower part of the base three 43, the knife disc 45 is rotatably connected to the upper part of the base three 43, the drive end of the tool drive motor 44 and the driven end of the knife disc 45 are connected through a synchronous belt drive kit 46, and the synchronous belt drive kit 46 is composed of an active synchronous wheel, a driven synchronous wheel and a synchronous belt, the active synchronous wheel is installed at the drive end of the tool drive motor 44, the driven synchronous wheel is installed at the driven end of the knife disc 45, and the synchronous belt is sleeved on the outside of the active and driven synchronous wheels;

[0047] When the cutting unit 4 is working, the knife advance and retreat drive cylinder 42 pushes the base three 43, the knife drive motor 44, the knife disc 45, and the synchronous belt drive kit 46 to move upward as a whole until the edge of the knife disc 45 contacts the section of the film to be cut, and then the knife drive motor 44 drives the knife disc 45 to rotate through the synchronous belt drive kit 46, and the knife linear drive module 41 drives the knife advance and retreat drive cylinder 42, the base three 43, the knife drive motor 44, the knife disc 45, and the synchronous belt drive kit 46 to move as a whole along the width direction of the film, thereby realizing the separation of the wound film roll and the film material strip;

[0048] The closing and laminating unit 5 is composed of a screw drive module 51, a base four 52, an advance and retreat roller drive cylinder 53, a base five 54, a swing arm 55, a closing roller pressure shaft 56, a spring 57 and a pressure roller shaft 58, wherein the screw drive module 51 is symmetrically installed on the inner side of the rewinding machine frame 1, the base four 52 is installed on the driving end of the screw drive module 51, the advance and retreat roller drive cylinder 53 is installed on the upper part of the base four 52, the base five 54 is slidably connected to the side of the base four 52, the telescopic end of the advance and retreat roller drive cylinder 53 is fixedly connected to the base five 54, the swing arm 55 is rotatably connected to the side of the base five 54, the closing roller pressure shaft 56 is rotatably connected to one end of the swing arm 55, the spring 57 is hung between the base five 54 and the other end of the swing arm 55, and the pressure roller shaft 58 is rotatably connected to the upper part of the base four 52;

[0049] When the closing and laminating unit 5 is working, the screw drive module 51 drives the base four 52, the advance and retract roller drive cylinder 53, the base five 54, the swing arm 55, the closing roller pressure shaft 56, the spring 57 and the pressure roller shaft 58 as a whole to approach the film roll in the winding state, until the pressure roller shaft 58 fits with the film roll, so that the film roll is squeezed and constrained by the pressure roller shaft 58 during the winding process, so that the film roll is wound more tightly. After the film roll is wound, the advance and retract roller drive cylinder 53 pushes the base five 54, the swing arm 55 and the closing roller pressure shaft 56 as a whole to move toward the film roll until the closing roller pressure shaft 56 abuts against the part of the film roll to be cut. After the abutment, it is constrained by the spring 57. After the cutting unit 4 cuts the film roll, the cut film roll can be closed by the closing roller pressure shaft 56.

[0050] The label feeding unit 6 is composed of a label material tray 61, a pulling device 62, a negative pressure adsorption device 63 and a scissor cylinder 64, wherein the label material tray 61, the pulling device 62, the negative pressure adsorption device 63 and the scissor cylinder 64 are all installed on the rewinding machine frame 1. Specifically,

[0051] The pulling device 62 is composed of a pulling linear drive module 621, a clamping drive cylinder 622, a clamping plate 623, a press drive cylinder 624 and a press plate 625. The pulling linear drive module 621 is installed inside the rewinding machine frame 1. The clamping drive cylinder 622 and the press drive cylinder 624 are both installed at the driving end of the pulling linear drive module 621. The clamping plate 623 includes a movable clamping plate and a fixed clamping plate. The movable clamping plate is installed at the telescopic end of the clamping drive cylinder 622, the fixed clamping plate is installed at the bottom end of the housing of the clamping drive cylinder 622, and the press plate 625 is installed at the telescopic end of the press drive cylinder 624.

[0052] The negative pressure adsorption device 63 is composed of a vacuum adsorption roller 631, a reserved groove 632, an adsorption seat 633, an air hole 634 and an adsorption hole 635, wherein the vacuum adsorption roller 631 is rotatably connected to the inside of the rewinding machine frame 1 and driven by an external motor, the reserved groove 632 is arranged on the surface of the vacuum adsorption roller 631 along the axial direction of the vacuum adsorption roller 631, the adsorption seat 633 is installed inside the reserved groove 632, the air hole 634 is arranged at the bottom end of the reserved groove 632 and is communicated with the inside of the vacuum adsorption roller 631, and the adsorption hole 635 is arranged inside the adsorption seat 633 and is communicated with the air hole 634;

[0053] When the label feeding unit 6 is working, the label clamping driving cylinder 622 drives the moving clamping plate to move downward, and cooperates with the fixed clamping plate to clamp the end of the label material strip. After clamping, the pulling linear driving module 621 drives the label clamping driving cylinder 622, the clamping plate 623, the material pressing driving cylinder 624, and the material pressing plate 625 to move synchronously, so as to pull the label out of the label material tray 61. The label material strip moves on the upper surface of the adsorption seat 633 and is always adsorbed by the negative pressure of the adsorption hole 635. The external exhaust device is connected to the exhaust hole of the vacuum adsorption roller 631 through the air pipe. When the external exhaust device is working, the vacuum adsorption roller 6 The interior of 31 is under negative pressure, and the adsorption hole 635 is under negative pressure through the air hole 634, which can ensure that the label material tape will not deviate during the pulling process. When the label material tape is pulled into place, the pressing drive cylinder 624 drives the pressing plate 625 to press on the end of the label material tape, and then the clamping drive cylinder 622 drives the clamping plate 623 to release the label material tape, and finally the scissor cylinder 64 cuts the label material tape. After the above-mentioned film roll is closed, the corresponding rewinding roller 22 switches to the next workstation. After switching, the closing position is just in contact with the label material tape, and the label material tape has a sticky adhesive surface, which can be adhered to the closing position.

Claims

1. A labeling mechanism for a rewinding machine, characterized in that: The invention comprises a rewinding machine frame (1), and a rewinding roller unit (2), a cutting unit (4), a closing and laminating unit (5) and a label feeding unit (6) installed inside the rewinding machine frame (1); a feeding and unloading unit (3) is arranged side by side on the side of the rewinding machine frame (1), and a film material tray (7) is configured to provide the film to be rewound to the rewinding roller unit (2).

2. The labeling mechanism for a rewinding machine according to claim 1, characterized in that: The rewinding roller unit (2) is composed of a driving disc (21) and a plurality of rewinding roller shafts (22), wherein the plurality of rewinding roller shafts (22) are rotatably connected to the interior of the driving disc (21), and the driving disc (21) can drive the rewinding roller shafts (22) to rotate synchronously.

3. The labeling mechanism for a rewinding machine according to claim 1, characterized in that: The feeding and unloading unit (3) is mainly composed of a lifting device (31), a feeding device (32) and a unloading device (33), wherein the feeding device (32) is installed on the upper part of the lifting device (31), and the unloading device (33) is installed as a whole on the rewinding machine frame (1) and the upper part of the lifting device (31).

4. The labeling mechanism for a rewinding machine according to claim 3, characterized in that: The lifting device (31) comprises a feeding frame (311), a storage bin (312), a driving sprocket roller (313), a driven sprocket roller (314), a lifting chain (315), a supporting seat (316), a feeding drive motor (317) and a guide plate (318), wherein the storage bin (312) is arranged on the side of the feeding frame (311), and its bottom end is inclined toward the position of the lifting chain (315).

5. The labeling mechanism for a rewinding machine according to claim 3, characterized in that: The feeding device (32) comprises a material trough (321), a feeding linear drive module (322), a pushing plate (323) and an avoidance hole (324), wherein the material trough (321) and the feeding linear drive module (322) are both installed on the top of the feeding frame (311).

6. The labeling mechanism for a rewinding machine according to claim 3, characterized in that: The unloading device (33) comprises a unloading linear drive module (331), a base 1 (332), a base 2 (333), a push drive cylinder (334), a push plate (335), an avoidance groove (336), a lifting drive cylinder (337), a lifting seat (338), a film roll conveyor belt (339), a roller (3310), a unloading drive cylinder (3311), a unloading plate (3312) and a discharge plate (3313), wherein the unloading linear drive module (331) is installed inside the rewinding machine frame (1), and the base 1 (332) is installed on the top of the feeding frame (311).

7. The labeling mechanism for a rewinding machine according to claim 1, characterized in that: The cutting unit (4) comprises a tool linear drive module (41), a tool advance and retract drive cylinder (42), a base three (43), a tool drive motor (44), a tool disc (45) and a synchronous belt drive kit (46), wherein the tool linear drive module (41) is installed inside the rewinding machine frame (1).

8. The labeling mechanism for a rewinding machine according to claim 1, characterized in that: The closing and laminating unit (5) comprises a screw drive module (51), a base four (52), an advance and retract roller drive cylinder (53), a base five (54), a swing arm (55), a closing roller pressure shaft (56), a spring (57) and a pressure roller shaft (58), wherein the screw drive module (51) is symmetrically mounted on the inner side of the rewinding machine frame (1).

9. The labeling mechanism for a rewinding machine according to claim 1, characterized in that: The label feeding unit (6) comprises a label material tray (61), a pulling device (62), a negative pressure adsorption device (63) and a scissor cylinder (64), wherein the pulling device (62) comprises a pulling linear drive module (621), a clamping label drive cylinder (622), a clamping plate (623), a pressing drive cylinder (624) and a pressing plate (625), and the negative pressure adsorption device (63) comprises a vacuum adsorption roller (631), a reserved groove (632), an adsorption seat (633), an air hole (634) and an adsorption hole (635), and these components are all installed on the rewinding machine frame (1).

10. The labeling mechanism for a rewinding machine according to claim 9, characterized in that: The pulling linear drive module (621) is installed inside the rewinding machine frame (1), the clamping label drive cylinder (622) and the pressing material drive cylinder (624) are installed at the driving end of the pulling linear drive module (621), and the vacuum adsorption roller (631) is rotatably connected to the inside of the rewinding machine frame (1).

Images