Label pasting mechanism of rewinding machine

Abstract

The utility model 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. By means of the modular design, high-automation production is achieved, cutting precision is high, closing-up is compact, label attaching is firm, the structure is compact and easy to maintain, production efficiency and product quality in the packaging industry are remarkably improved, and maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to rewinding machine technical field, concretely is a rewinding machine label sticking mechanism. BACKGROUND

[0002] In the modern packaging industry, rewinding machine as a kind of key equipment, is widely used in the processing of film, paper and other materials. Traditional rewinding machine usually only has basic winding and cutting function, but in modern production environment, customers for product identification and packaging requirements are increasingly high, and traditional rewinding machine can not meet market demand.

[0003] Specifically, the traditional rewinding machine in winding process, often only realize the continuous winding of film, and cannot automatically cut, close and label attach to film after winding. This leads to additional manual operation in subsequent production process, not only increases the production cost, but also reduces the production efficiency.

[0004] In order to solve the above problems, some rewinding machines with cutting and label attaching function appear in the market. However, these devices still have deficiencies in feeding and discharging, such as manual feeding and discharging, low automation degree, and cannot meet the production demand of large scale and high efficiency.

[0005] In addition, the existing rewinding machine also has some technical bottlenecks in cutting, closing and label attaching. For example, the cutting precision is not high enough, resulting in uneven edge of film roll; the closing is not tight enough, resulting in loose film roll in use; the label attaching is not firm enough, easy to fall off, etc.

[0006] Therefore, a new type of rewinding machine label sticking mechanism is needed, which can solve the above problems in the prior art, improve production efficiency, reduce production cost, and meet the high requirements of market for product identification and packaging. INVENTION CONTENTS

[0007] In view of the deficiencies of the prior art, the utility model provides a rewinding machine label sticking mechanism, which solves the problems proposed in the above background art.

[0008] To achieve the above purpose, the utility model realizes the following technical scheme: a rewinding machine label sticking mechanism, comprising a rewinding machine frame, a rewinding roller unit, a cutting unit, a closing and attaching unit and a label feeding unit installed in the rewinding machine frame, and a feeding and discharging unit arranged side by side on the side of the rewinding machine frame, and the film tray is configured to provide the film to be rewound to the rewinding roller unit.

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

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

[0011] Further, the lifting device comprises a feeding frame, a storage bin, a driving sprocket roller, a driven sprocket roller, a lifting chain, a bearing seat, a feeding driving motor and a guide plate, wherein the storage bin is arranged on the side of the feeding frame, and the bottom end thereof is inclined towards the position where the lifting chain is located.

[0012] Further, the feeding device comprises a chute, a feeding linear drive module, a pushing plate and an avoiding hole, wherein the chute and the feeding linear drive module are both installed on the top of the feeding frame.

[0013] Further, the discharging device comprises a discharging linear drive module, a base one, a base two, a pushing driving cylinder, a pushing plate, an avoiding groove, a lifting driving cylinder, a lifting seat, a film roll conveying belt, a supporting roller, a discharging driving cylinder, a discharging plate and a discharging plate, wherein the discharging linear drive module is installed in the inside of the rewinding machine frame, and the base one is installed on the top of the feeding frame.

[0014] Further, the cutting unit comprises a cutter linear drive module, a cutter driving cylinder, a base three, a cutter driving motor, a cutter disc and a synchronous belt transmission kit, wherein the cutter linear drive module is installed in the inside of the rewinding machine frame.

[0015] Further, the closing and adhering unit comprises a lead screw driving module, a base four, a roller driving cylinder, a base five, a swing arm, a closing roller pressing shaft, a spring and a pressing roller shaft, wherein the lead screw driving module is symmetrically installed on the inside of the rewinding machine frame.

[0016] Further, the label feeding unit comprises a label disc, a pulling device, a negative pressure adsorption device and a scissors cylinder, wherein the pulling device comprises a pulling linear drive module, a label clamping driving cylinder, a clamping plate, a pressing driving cylinder and a pressing plate, the negative pressure adsorption device comprises a vacuum adsorption roller, a reserved groove, an adsorption seat, a gas hole and an adsorption hole, and all these components are installed on the rewinding machine frame.

[0017] Further, the pulling linear drive module is installed in the inside of the rewinding machine frame, the label clamping driving cylinder and the pressing driving cylinder are installed on the driving end of the pulling linear drive module, and the vacuum adsorption roller is rotationally connected to the inside of the rewinding machine frame.

[0018] Compared with the prior art, the rewinding machine label sticking mechanism has the following advantages

[0019] Advantages:

[0020] 1. By the integrated feeding and discharging unit, automatic feeding of the core tube and automatic discharging of the finished film roll are realized, manual operation is greatly reduced, the automation degree of the production line is improved, key steps such as cutting, closing and label attaching are automatically completed through mechanical devices, the continuity and stability of the production process are ensured, and the overall production efficiency is significantly improved;

[0021] 2. The cutting unit adopts precise cutter linear driving module and advance-retract driving cylinder, combined with efficient cutter head and synchronous belt driving kit, to ensure the accuracy and consistency of the film cutting, high-precision cutting can avoid damage and unevenness of the film edge, thereby improving the appearance quality and practicality of the finished film roll;

[0022] 3. The closing and attaching unit realizes the close attachment and compaction of the film roll through precise control of the screw rod driving module and the advance-retract roller driving cylinder, the design of the spring and the pressing roller shaft further enhances the tightness and stability of the closing part, effectively preventing the loosening phenomenon of the film roll during use;

[0023] 4. The label feeding unit adopts negative pressure adsorption device and precise pulling device to ensure stable conveying and precise positioning of the label material belt, the cutting action of the scissors cylinder and the design of the adhesive bonding surface 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 DRAWINGS

[0024] Figure 1 It is a structure schematic view of the first perspective of the utility model;

[0025] Figure 2 It is a structure schematic view of the second perspective of the utility model;

[0026] Figure 3 It is a structure schematic view of the first perspective of the rewinding roller unit, the cutting unit, the closing and attaching unit and the label feeding unit in the utility model;

[0027] Figure 4 It is a structure schematic view of the second perspective of the rewinding roller unit, the cutting unit, the closing and attaching unit and the label feeding unit in the utility model;

[0028] Figure 5 It is a structure schematic view of the feeding and discharging unit in the utility model;

[0029] Figure 6 It is a structure schematic view of the first perspective of the lifting device in the utility model;

[0030] Figure 7The utility model discloses a structure schematic drawing of the second visual angle of the lifting device in the utility model;

[0031] Figure 8 The utility model discloses a structure schematic drawing of the feeding device in the utility model;

[0032] Figure 9 The utility model discloses a structure schematic drawing of the unloading device in the utility model;

[0033] Figure 10 The utility model discloses a structure schematic drawing of the unloading drive cylinder and unloading plate in the utility model;

[0034] Figure 11 The utility model discloses a structure schematic drawing of the cutting unit in the utility model;

[0035] Figure 12 The utility model discloses a structure schematic drawing of the closing and pasting unit in the utility model;

[0036] Figure 13 The utility model discloses a structure schematic drawing of the label feeding unit in the utility model;

[0037] Figure 14 The utility model discloses a structure schematic drawing of the pulling device in the utility model;

[0038] Figure 15 The utility model discloses a split structure schematic drawing of the negative pressure adsorption device in the utility model.

[0039] In the figure: 1, rewinding machine frame; 2, rewinding roller unit; 21, driving disc; 22, rewinding roller shaft; 3, feeding and discharging 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 driving motor; 318, guide plate; 32, feeding device; 321, trough; 322, feeding linear drive module; 323, pushing plate; 324, avoiding hole; 33, discharging device; 331, discharging linear drive module; 332, base one; 333, base two; 334, pushing driving cylinder; 335, pushing plate; 336, avoiding groove; 337, lifting driving cylinder; 338, lifting seat; 339, film roll conveying belt; 3310, supporting roller; 3311, discharging driving cylinder; 3312, discharging plate; 3313, discharging plate; 4, cutting unit; 41, cutter linear drive module; 42, advancing and retreating driving cylinder; 43, base three; 44, cutter driving motor; 45, cutter disc; 46, synchronous belt transmission kit; 5, closing and adhering unit; 51, screw driving module; 52, base four; 53, advancing and retreating roller driving cylinder; 54, base five; 55, swing arm; 56, closing roller pressing shaft; 57, spring; 58, pressing roller shaft; 6, label feeding unit; 61, label tray; 62, pulling device; 621, pulling linear drive module; 622, clamping driving cylinder; 623, clamping plate; 624, pressing driving cylinder; 625, 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 tray. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0041] Please refer to Figures 1-15The utility model provides a kind of technical scheme: a rewinding machine label labelling mechanism, it is mainly by rewinding machine frame 1, rewinding roller unit 2, supply and discharge unit 3, cutting unit 4, close-in unit 5, label supply unit 6, film tray 7 is constituted, wherein, rewinding roller unit 2, cutting unit 4, close-in unit 5, label supply unit 6 are all installed in the inside of rewinding machine frame 1, supply and discharge unit 3 is side by side arranged in the side portion of rewinding machine frame 1, rewinding roller unit 2 is by driving disc 21 and several rewinding roller shafts 22, and several rewinding roller shafts 22 are all rotationally connected in the inside of driving disc 21, driving disc 21 can drive several rewinding roller shafts 22 synchronous rotation, to let several rewinding roller shafts 22 in different processing area switching station, supply and discharge unit 3 can be wound around the core pipe on the outside of corresponding rewinding roller shaft 22 on one hand, and the other hand can unload the film roll that is wound around on the outside of rewinding roller shaft 22, cutting unit 4 can cut off film, so that the film roll that is wound around is separated from film material belt, close-in unit 5 can let the end portion of film roll cutting be attached on the surface of film roll, and can let film roll be more compact, label supply unit 6 can be attached label in the end portion of film roll, and film tray 7 will release the film to be rewound to rewinding roller shaft 22 to rewinding machine frame 1;

[0042] Supply and discharge unit 3 is mainly by lifting device 31, supply device 32 and discharge device 33 are constituted, and supply device 32 is installed in the upper portion of lifting device 31, and the whole discharge device 33 is installed in the upper portion of rewinding machine frame 1 and lifting device 31 respectively,

[0043] 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 at the side of the feeding frame 311, and the bottom end of the storage bin 312 is inclined towards the position where the lifting chain 315 is located, so that the stacked core tube in the storage bin 312 can roll to the position of the lifting chain 315, facilitating automatic feeding, the driving sprocket roller 313 is rotatably connected to the bottom of the feeding frame 311, the driven sprocket roller 314 is rotatably connected to the top of the feeding frame 311, the lifting chain 315 is toothingly connected to the outside of the driving sprocket roller 313 and the driven 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 set, wherein the sprocket transmission set is composed of a driving sprocket, a driven sprocket and a chain, the driving sprocket is installed on the driving end of the feeding drive motor 317, the driven sprocket is installed on the driven end of the driving sprocket roller 313, and the chain is toothingly connected to the outside of the driving sprocket and the driven sprocket, the guide plate 318 is installed on the top of the feeding frame 311, and the end of the guide plate 318 extends downwardly and obliquely;

[0044] The feeding device 32 is composed of a trough 321, a feeding linear drive module 322, a pushing plate 323 and an avoiding hole 324, wherein the trough 321 and the feeding linear drive module 322 are both installed on the top of the feeding frame 311, the trough 321 is of a "V" type structure, the core tube is located inside the trough 321, the pushing plate 323 is installed on the driving end of the feeding linear drive module 322, and the avoiding hole 324 is reserved on the bottom of the pushing plate 323;

[0045] The unloading device 33 is composed of an unloading linear drive module 331, a base one 332, a base two 333, a pushing drive cylinder 334, a pushing plate 335, an avoidance groove 336, a lifting drive cylinder 337, a lifting seat 338, a film roll conveying belt 339, a supporting roller 3310, an unloading drive cylinder 3311, an unloading plate 3312 and a discharge plate 3313. The unloading linear drive module 331 is installed inside the rewinding machine frame 1, the base one 332 is installed on the top of the feeding frame 311, the base two 333 is slidingly installed on the upper part of the driving end seat body of the unloading linear drive module 331, the pushing drive cylinder 334 is fixedly installed on the upper part of the driving end seat body of the base two 333, the telescopic end of the pushing drive cylinder 334 is connected and fixed with the base two 333, the pushing plate 335 is installed on the upper part of the base two 333, the avoidance groove 336 is reserved on the side part of the pushing plate 335, the lifting drive cylinder 337 is installed on the bottom end of the base one 332, the lifting seat 338 is installed on the telescopic end of the lifting drive cylinder 337, the film roll conveying belt 339, the supporting 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 on the telescopic end of the unloading drive cylinder 3311, the unloading plate 3312 and the supporting roller 3310 are alternately distributed, and the same direction ends of the unloading plate 3312 and the discharge plate 3313 are all downwardly inclined;

[0046] When the feeding and discharging unit 3 is in operation, the core tube stack is arranged inside the storage bin 312, the feeding drive motor 317 drives the driving sprocket roller 313 through the sprocket transmission set, so that the driving sprocket roller 313 is driven to rotate, and the lifting chain 315 is driven to rotate synchronously under the support of the driven sprocket roller 314, the core tube rolls to the upper part of the bearing seat 316, and the lifting height of the core tube is increased along with the lifting chain 315, until the core tube rolls to the upper part of the guide plate 318 and then rolls into the V-shaped trough 321, the feeding linear drive module 322 drives the pushing plate 323 to push the core tube in the trough 321, so that the core tube is sleeved outside the corresponding rewinding roller shaft 22, after the core tube is completely sleeved, the end of the rewinding roller shaft 22 is located in the avoiding hole 324, so that the operation of feeding the core tube to the rewinding roller shaft 22 is completed, in addition, when the finished film roll needs to be discharged, the pushing drive cylinder 334 drives the base two 333 to move, so that the pushing plate 335 approaches the rewinding roller shaft 22, and the pushing plate 335 can push the finished film roll through the avoiding groove 336, then the discharging linear drive module 331 drives the base two 333, the pushing drive cylinder 334 and the pushing plate 335 to move as a whole, the pushing plate 335 pushes the finished film roll outside the rewinding roller shaft 22 to the film roll conveying belt 339, and then the film roll conveying belt 339 assists in pushing the finished film roll, until the finished film roll completely falls on the supporting roller 3310, the height of the supporting roller 3310 can be adjusted according to the specification of the finished film roll, that is, the diameter, the lifting seat 338 can be driven by the lifting drive cylinder 337 to adjust, after the finished film roll completely falls on the supporting roller 3310, the discharging drive cylinder 3311 drives the discharging plate 3312 to move upward, at this time, the discharging plate 3312 supports the finished film roll, but since the discharging plate 3312 is inclined, the finished film roll rolls to the discharging plate 3313, and the discharging plate 3313 is also inclined, so that the finished film roll finally rolls out of the discharging plate 3313, realizing the discharging of the finished film roll.

[0047] The cutting unit 4 is composed of a cutter linear drive module 41, a forward and backward cutter drive cylinder 42, a base three 43, a cutter drive motor 44, a cutter disc 45 and a synchronous belt transmission set 46, wherein the cutter linear drive module 41 is installed inside the rewinding machine frame 1, the forward and backward cutter drive cylinder 42 is installed at the driving end of the cutter linear drive module 41, the base three 43 is installed at the telescopic end of the forward and backward cutter drive cylinder 42, the cutter drive motor 44 is installed at the lower part of the base three 43, the cutter disc 45 is rotationally connected at the upper part of the base three 43, the driving end of the cutter drive motor 44 and the driven end of the cutter disc 45 are connected through the synchronous belt transmission set 46, the synchronous belt transmission set 46 is composed of a driving synchronous wheel, a driven synchronous wheel and a synchronous belt, the driving synchronous wheel is installed at the driving end of the cutter drive motor 44, the driven synchronous wheel is installed at the driven end of the cutter disc 45, and the synchronous belt is sleeved outside the driving and driven synchronous wheels.

[0048] When the cutting unit 4 is working, the advance-retract knife driving cylinder 42 pushes the whole of the base three 43, the knife driving motor 44, the cutter head 45, the synchronous belt transmission set 46 to move upwards until the edge of the cutter head 45 contacts the section of the film to be cut, then the knife driving motor 44 drives the cutter head 45 to rotate through the synchronous belt transmission set 46, and the knife linear driving module 41 drives the whole of the advance-retract knife driving cylinder 42, the base three 43, the knife driving motor 44, the cutter head 45, the synchronous belt transmission set 46 to move along the width direction of the film, so as to realize the separation of the wound film roll from the film tape;

[0049] The closing and adhering unit 5 is composed of a lead screw driving module 51, a base four 52, an advance-retract roller driving cylinder 53, a base five 54, a swing arm 55, a closing roller pressing shaft 56, a spring 57 and a pressure roller shaft 58, wherein the lead screw driving 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 lead screw driving module 51, the advance-retract roller driving cylinder 53 is installed on the upper part of the base four 52, the base five 54 is slidingly connected to the side of the base four 52, the advance-retract roller driving cylinder 53 is fixedly connected to the extension end of the base five 54, the swing arm 55 is rotationally connected to the side of the base five 54, the closing roller pressing shaft 56 is rotationally 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 rotationally connected to the upper part of the base four 52;

[0050] When the closing and adhering unit 5 is working, the lead screw driving module 51 drives the whole of the base four 52, the advance-retract roller driving cylinder 53, the base five 54, the swing arm 55, the closing roller pressing shaft 56, the spring 57 and the pressure roller shaft 58 to approach the film roll in the winding state until the pressure roller shaft 58 is in close contact with the film roll, so that the film roll is extruded and constrained by the pressure roller shaft 58 during winding, and the winding of the film roll is more compact. After the winding of the film roll is completed, the advance-retract roller driving cylinder 53 pushes the whole of the base five 54, the swing arm 55 and the closing roller pressing shaft 56 to move towards the film roll until the closing roller pressing shaft 56 abuts against the part of the film roll to be cut. After abutting, the closing is performed under the action of the spring 57. After the film roll is cut by the cutting unit 4, the closed film roll can be obtained through the closing roller pressing shaft 56;

[0051] The label supply unit 6 is composed of a label material disc 61, a pulling device 62, a negative pressure adsorption device 63 and a scissors cylinder 64, wherein the label material disc 61, the pulling device 62, the negative pressure adsorption device 63 and the scissors cylinder 64 are all installed on the rewinding machine frame 1, and specifically,

[0052] The pulling device 62 is composed of a pulling linear drive module 621, a label clamping drive cylinder 622, a clamping plate 623, a pressure driving cylinder 624 and a pressure plate 625. The pulling linear drive module 621 is installed inside the rewinder frame 1. The label clamping drive cylinder 622 and the pressure driving 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 label clamping drive cylinder 622, and the fixed clamping plate is installed at the bottom end of the label clamping drive cylinder 622 shell. The pressure plate 625 is installed at the telescopic end of the pressure driving cylinder 624.

[0053] The negative pressure adsorption device 63 is composed of a vacuum adsorption roller 631, a reserved groove 632, an adsorption seat 633, a gas hole 634 and an adsorption hole 635. The vacuum adsorption roller 631 is rotationally connected inside the rewinder frame 1 and is driven by an external motor. The reserved groove 632 is opened 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 gas hole 634 is opened at the bottom end of the reserved groove 632 and communicates with the inside of the vacuum adsorption roller 631. The adsorption hole 635 is opened inside the adsorption seat 633 and communicates with the gas hole 634.

[0054] When the label supply unit 6 is working, the label clamping drive cylinder 622 drives the movable clamping plate to move downward, and the end part of the label material belt is clamped in cooperation with the fixed clamping plate. After clamping, the pulling linear drive module 621 drives the label clamping drive cylinder 622, the clamping plate 623, the pressure driving cylinder 624 and the pressure plate 625 to move synchronously, so as to pull the label out from the label material disc 61. The label material belt moves on the upper surface of the adsorption seat 633 and is always subjected to the negative pressure adsorption of the adsorption hole 635. The external air extraction equipment is connected with the air extraction hole of the vacuum adsorption roller 631 through the gas pipe. When the external air extraction equipment works, the inside of the vacuum adsorption roller 631 is under negative pressure, and then the adsorption hole 635 is under negative pressure through the gas hole 634, so as to ensure that the label material belt will not deviate during the pulling process. When the label material belt is pulled into place, the pressure driving cylinder 624 drives the pressure plate 625 to press on the end part of the label material belt, and then the label clamping drive cylinder 622 drives the clamping plate 623 to release the label material belt. Finally, the scissors cylinder 64 cuts off the label material belt. After the above-mentioned film roll is closed, the corresponding rewinding roller shaft 22 is switched to the next station. After switching, the closing position is in contact with the label material belt, and the label material belt has a sticky adhesive surface, which can be adhered at the closing position.

Claims

1. A labeling mechanism for a rewinding machine, characterized in that, The rewinding machine includes a rewinding frame (1), and a rewinding roller unit (2), a cutting unit (4), a sealing and bonding unit (5), and a label feeding unit (6) installed inside the rewinding frame (1). A feeding and unloading unit (3) is arranged side by side on the side of the rewinding frame (1), and a film 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) consists of a drive disk (21) and several rewinding roller shafts (22), wherein the several rewinding roller shafts (22) are rotatably connected inside the drive disk (21), and the drive disk (21) can drive these 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 an 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 rewinder frame (1) and the lifting device (31).

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

5. The labeling mechanism for a rewinding machine according to claim 3, characterized in that, The feeding device (32) includes a material trough (321), a feeding linear drive module (322), a pusher plate (323), and a clearance 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) includes an unloading linear drive module (331), a base one (332), a base two (333), a push drive cylinder (334), a push plate (335), a clearance groove (336), a lifting drive cylinder (337), a lifting seat (338), a film roll conveyor belt (339), a roller (3310), an unloading drive cylinder (3311), an unloading plate (3312), and a discharge plate (3313). The unloading linear drive module (331) is installed inside the rewinder frame (1), and the base one (332) is installed on 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) includes a tool linear drive module (41), a tool advance and retraction drive cylinder (42), a base three (43), a tool drive motor (44), a cutter disc (45), and a synchronous belt drive kit (46), wherein the tool linear drive module (41) is installed inside the rewinder frame (1).

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

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

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

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