A multi-layer label and a production process thereof

Abstract

The application relates to a multilayer label and a production process thereof, and relates to the technical field of label production and processing.The label comprises, from bottom to top, a release layer, a base layer and a plurality of printing layers, the base layer is fixed with the release layer through an adhesive layer, the lower surface of each printing layer is provided with an adhesive layer, the adhesive layer is annular, and the adhesive layer is arranged along the circumferential direction of the printing layer. Through the annular adhesive layer, the bonding area between two adjacent printing layers is reduced, so that the bonding force between the two adjacent printing layers is weakened, the design can facilitate the user to tear the printing layer, and the use convenience of the label is improved.

Description

Technical Field

[0001] This application relates to the field of label manufacturing and processing, and in particular to a multi-layer label and its manufacturing process. Background Technology

[0002] Multi-layer labels are layered labels printed using special processes on specialized equipment from multiple layers of self-adhesive raw materials. They are widely used in cosmetics, pharmaceuticals, and other fields.

[0003] Multi-layer labels in related technologies typically include, from bottom to top, a release layer, a base layer, and several printed layers. Each printed layer has an adhesive layer on its lower surface, and the base layer has an adhesive layer on its lower surface. The base layer is used to adhere to the product, while the printed layers are used to print anti-counterfeiting labels, instruction manual text, or product identification.

[0004] When producing multi-layer labels, glue is applied to the entire lower surface of several printed layers to form an adhesive layer, and glue is also applied to the lower surface of the base layer to form an adhesive layer. Then, the printed layers are stacked, with adjacent printed layers secured by adhesive layers. The bottom printed layer is then secured to the base layer using a corresponding adhesive layer. Finally, the base layer and release layer are secured using an adhesive layer, thus achieving the production of multi-layer labels.

[0005] Regarding the aforementioned technologies, since the entire lower surface of the printed layer is coated with adhesive, the bonding force between adjacent printed layers is relatively large. When a user wants to tear open the printed layer to view the instruction manual, a considerable pulling force is required to tear it open, resulting in poor usability and requiring improvement. Summary of the Invention

[0006] To improve the ease of use of multi-layer labels, this application provides a multi-layer label and its manufacturing process.

[0007] Firstly, this application provides a multi-layer label, employing the following technical solution:

[0008] A multi-layer label includes a release layer, a base layer, and several printed layers arranged sequentially from bottom to top. The base layer and the release layer are fixed by an adhesive layer. Each printed layer has an adhesive layer on its lower surface. The adhesive layer is annular and arranged along the circumferential direction of the printed layer.

[0009] By adopting the above technical solution and setting an annular adhesive layer, the adhesive area between two adjacent printing layers is reduced, thereby weakening the adhesive force between the two adjacent printing layers. This design makes it easier for users to tear off the printing layer, thus improving the ease of use of the label.

[0010] Optionally, a waterproof layer is provided on the upper surface of each of the printed layers.

[0011] By adopting the above technical solution and setting a waterproof layer, the waterproof capability of the printing layer is increased, thereby reducing the risk of the printing layer getting wet and improving the stability and service life of the label.

[0012] Optionally, each of the printed layers has a mesh-like fiber layer inside.

[0013] By adopting the above technical solution and setting a fiber filament layer, the structural strength of the printing layer is increased, the risk of printing layer breakage is reduced, and the stability and service life of the label are further improved.

[0014] Secondly, this application provides a manufacturing process for multi-layer labels, comprising the following steps:

[0015] S1: Apply glue to the printed layer through the glue application mechanism to obtain the adhesive layer, and apply glue to the base layer through the glue application mechanism to obtain the bonding layer;

[0016] S2: The composite mechanism bonds and fixes the base layer and the release layer together, and at the same time bonds and fixes several printed layers together, and fixes the bottommost printed layer to the base layer.

[0017] S3: The base layer, release layer and printing layer are cut by a cutting mechanism to obtain the finished label;

[0018] S4: Label production can be achieved by collecting scrap materials through a receiving mechanism.

[0019] Optionally, the glue application mechanism includes a support frame, several glue application rollers horizontally rotatably connected to the support frame, several glue application rings fixed to the surface of each glue application roller, and several glue storage boxes fixed to the support frame. The several glue application rings are evenly distributed along the circumferential direction of the corresponding glue application rollers. The glue storage boxes are located below the corresponding glue application rollers, and the glue application rings can enter the corresponding glue storage boxes. The support frame is provided with several drive motors for driving the corresponding glue application rollers to rotate.

[0020] By adopting the above technical solution, when labels need to be produced, the release paper, base layer, and several printing layers are unwound sequentially, with each printing layer passing over a corresponding glue-coating roller. At this time, a drive motor controls the corresponding glue-coating roller to rotate several glue-coating rings. When the glue-coating rings enter their respective glue storage boxes, they pick up glue. When the glue-coating rings come into contact with the printing layers, the glue on the rings adheres to the printing layers, forming a ring-shaped adhesive layer, thus achieving the glue coating operation for the printing layers. By setting up a simple and easy-to-operate glue coating mechanism, the glue coating operation for the printing layers is automated, improving production efficiency and reducing the workload of production personnel.

[0021] Optionally, the composite mechanism includes a receiving frame, a receiving plate horizontally fixed to the side wall of the receiving frame, and a pressing roller rotatably connected to the receiving frame. The pressing roller abuts against the upper surface of the receiving plate, and the receiving frame is provided with a control motor for driving the pressing roller to rotate.

[0022] By employing the above technical solution, the release paper, base layer, and several printed layers are unwound separately, passing through the pressure roller and the receiving plate. At this point, the pressure roller is driven by a controlled motor to rotate, applying pressure to the release paper, base layer, and printed layers, thereby bonding and fixing them to form a product label. By setting up a simple and easy-to-operate composite mechanism, automated composite of the release paper, base layer, and printed layers is achieved, further improving label production efficiency.

[0023] Optionally, the cutting mechanism includes a mounting frame, a mounting platform horizontally fixed on the mounting frame, and an annular cutting blade vertically slidable on the mounting frame. The cutting blade can abut against the upper surface of the mounting platform, and the mounting frame is provided with a cylinder for driving the cutting blade to move vertically.

[0024] By adopting the above technical solution, when the finished label is below the cutting blade, the cutting blade is driven downward by a cylinder, and then the cutting blade cuts the finished label. Subsequently, production personnel can collect the finished labels and gather the scraps, thus realizing the label production process.

[0025] Optionally, the receiving mechanism includes a receiving shaft rotatably connected to the mounting frame and a control motor fixed to the mounting frame, the control motor being used to drive the receiving shaft to rotate.

[0026] By adopting the above technical solution, the rotation of the take-up shaft is controlled by the motor, and then the take-up shaft can automatically roll up the scraps, which can improve work efficiency, reduce the workload of production personnel, and improve the automation capability of label production.

[0027] Optionally, the upper surface of the mounting platform is provided with a support groove for the finished product label to enter. The cutting blade is located directly above the support groove. A receiving rack is vertically slidably connected in the support groove. A support plate is horizontally fixed at the upper end of the receiving rack. The side wall of the mounting platform is provided with a strip-shaped hole communicating with the support groove. A support block is vertically slidably connected in the strip-shaped hole. The support block is fixedly connected to the receiving rack. A drive gear is rotatably connected to the side wall of the mounting platform. A drive rack is vertically fixed to the side wall of the support block and the side wall of the cutting blade, respectively. The two drive racks mesh on both sides of the drive gear. When the upper surface of the support plate is flush with the upper surface of the mounting platform, the cutting blade abuts against the support plate.

[0028] By adopting the above technical solution, when the cutting blade drives the corresponding drive rack downwards, the drive gear controls another drive rack to drive the receiving rack and support plate upwards. When the upper surface of the support plate is flush with the upper surface of the mounting platform, the cutting blade abuts against the support plate and cuts the finished label, allowing it to fall onto the support plate. When the cutting blade drives the corresponding drive rack upwards, the drive gear controls another drive rack to drive the receiving rack and support plate downwards. At this time, the cutting blade and support plate quickly separate, facilitating the collection of finished labels by production personnel. Simultaneously, during the vertical movement of the cutting blade, the support plate can automatically move vertically, improving the linkage between components and enhancing resource utilization.

[0029] Optionally, a support shaft is horizontally fixed to the side wall of the support plate, and the support shaft is rotatably connected to the receiving rack. A material receiving port communicating with the support groove is opened on the side wall of the mounting platform. A driven gear is fixedly sleeved on the support shaft, and a driven rack is vertically fixed to the inner wall of the support groove. The driven gear meshes with the driven rack. When the support plate moves downward, the support plate flips towards the material receiving port, and the finished product label can slide out from the material receiving port. When the support plate moves upward and flips to a horizontal state, the upper surface of the support plate is flush with the upper surface of the mounting platform.

[0030] By adopting the above technical solution, when the receiving rack moves the support plate downwards, the support shaft, under the action of the driven gear and driven rack, drives the support plate to rotate towards the feeding port. Subsequently, the finished labels slide off the support plate and are discharged through the feeding port. At this time, production personnel can collect the finished labels through the collection box, thereby realizing automated and fixed-point collection of finished labels. When the receiving rack moves the support plate upwards, the support shaft, under the action of the driven gear and driven rack, drives the support plate to rotate in the direction away from the feeding port. When the support plate flips to a horizontal state, the upper surface of the support plate is just flush with the upper surface of the mounting table, and the cutting blade cuts the finished labels. This process is repeated to achieve automated label collection. At the same time, this design allows the support plate to automatically rotate and reset during the vertical movement of the cutting blade, which saves on the drive source, improves the linkage between various components, and improves resource utilization efficiency.

[0031] In summary, this application includes at least one of the following beneficial technical effects:

[0032] By setting an annular adhesive layer, the adhesive area between two adjacent printed layers is reduced, thereby weakening the adhesive force between the two adjacent printed layers. This design makes it easier for users to tear the printed layers apart, thus improving the ease of use of the label.

[0033] By setting up a simple and easy-to-operate glue coating mechanism, the glue coating operation of the printing layer can be automated, which can improve production efficiency and reduce the workload of production personnel.

[0034] By setting up a vertically sliding support plate, the cutting blade can be quickly separated from the support plate, which not only makes it easier for production personnel to collect finished product labels, but also improves production efficiency. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application.

[0036] Figure 2 This is a schematic diagram of the structure of components such as the adhesive application mechanism and the lamination mechanism in the embodiments of this application.

[0037] Figure 3 This is a schematic diagram of the adhesive application mechanism in an embodiment of this application.

[0038] Figure 4 This is a schematic diagram of the composite mechanism in the embodiments of this application.

[0039] Figure 5 This is a schematic diagram of the receiving mechanism in the embodiments of this application.

[0040] Figure 6 This is a schematic diagram of the internal structure of the mounting platform in an embodiment of this application.

[0041] Figure 7 This is a partial sectional view of the mounting platform in an embodiment of this application.

[0042] Explanation of reference numerals in the attached drawings: 1. Release layer; 2. Base layer; 3. Adhesive layer; 4. Printed layer; 5. Bonding layer; 6. Fiber layer; 7. Waterproof layer; 8. Glue application mechanism; 81. Support frame; 82. Glue application roller; 83. Glue application ring; 84. Glue storage box; 85. Drive motor; 9. Glue spreading mechanism; 91. Glue spreading roller; 92. Glue storage box; 93. Adjusting motor; 10. Composite mechanism; 101. Receiving frame; 102. Receiving plate; 103. Pressure roller; 104. Control motor; 11. Cutting mechanism; 111. Mounting frame; 112. Mounting platform; 113. Cutting blade; 114. Cylinder; 12. Receiving mechanism; 121. Receiving shaft; 122. Control motor; 13. Support groove; 14. Receiving rack; 15. Support shaft; 16. Support plate; 17. Strip hole; 18. Support block; 19. Drive gear; 20. Drive rack; 21. Feed port; 22. Driven gear; 23. Driven rack. Detailed Implementation

[0043] The following is in conjunction with the appendix Figure 1-7 This application will be described in further detail.

[0044] This application discloses a multi-layer label. (Refer to...) Figure 1 The multi-layer label includes a release layer 1, a base layer 2 is provided on top of the release layer 1, the base layer 2 and the release layer 1 are bonded together by an adhesive layer 3, and the base layer 2 can be attached to the product by the adhesive layer 3.

[0045] Reference Figure 1 Several printed layers 4 are disposed on the top of the base layer 2, and the printed layers 4 are arranged in a stacked manner. Each printed layer 4 has an annular adhesive layer 5 on its lower surface, and the adhesive layer 5 is arranged along the circumferential direction of the printed layer 4. Adjacent printed layers 4 are bonded and fixed by the adhesive layer 5, and the bottommost printed layer 4 is bonded and fixed to the base layer 2 by the adhesive layer 5.

[0046] Reference Figure 1 Each printed layer 4 has a mesh-like fiber layer 6 embedded inside to improve the structural stability of the printed layer 4 and reduce the risk of cracking. At the same time, a waterproof layer 7 is fixedly connected to the upper surface of each printed layer 4 to increase its waterproof capability.

[0047] The implementation principle of a multi-layer label in this application embodiment is as follows: by setting an annular adhesive layer 5, the adhesive area between two adjacent printing layers 4 is reduced, thereby weakening the adhesive force between two adjacent printing layers 4. This design makes it convenient for users to tear off the printing layer 4, thereby improving the ease of use of the label.

[0048] This application also discloses a manufacturing process for multi-layer labels, the manufacturing process of which is as follows:

[0049] S1: Apply glue to the lower surface of the printed layer 4 through the glue application mechanism 8, so that the lower surface of the printed layer 4 forms an annular adhesive layer 5. At the same time, apply glue to the lower surface of the base layer 2 through the glue application mechanism 9, so that the lower surface of the base layer 2 forms an adhesive layer 3.

[0050] S2: The composite mechanism 10 bonds and fixes the base layer 2 to the release layer 1. At the same time, the composite mechanism 10 bonds and fixes several printed layers 4 to each other. The composite mechanism 10 can also bond and fix the bottommost printed layer 4 to the base layer 2.

[0051] S3: The base layer 2, release layer 1 and printing layer 4 are cut by the cutting mechanism 11 to obtain the finished label;

[0052] S4: Label production can be achieved by collecting scrap materials through the receiving mechanism 12.

[0053] Reference Figure 2 and Figure 3 The glue application mechanism 8 includes a support frame 81, and a plurality of glue application rollers 82 are rotatably connected to the side wall of the support frame 81, and the plurality of glue application rollers 82 are distributed in the vertical direction. At the same time, a plurality of glue application rings 83 are fixedly connected to the side wall of each glue application roller 82, and the plurality of glue application rings 83 are evenly distributed along the circumferential direction of the corresponding glue application roller 82.

[0054] Refer to Figure 3 Each support frame 81 has a glue storage box 84 fixedly connected to its lower end. Several glue storage boxes 84 are located below the corresponding glue application rollers 82. The glue application ring 83 can enter the corresponding glue storage box 84 to pick up the glue. At the same time, several drive motors 85 are provided on the support frame 81. The output shaft of the drive motor 85 is fixedly connected to the corresponding glue application roller 82, thereby providing a stable driving force for the rotation of the glue application roller 82.

[0055] Reference Figure 3 The adhesive application mechanism 9 includes an adhesive application roller 91 horizontally rotatably connected to the side wall of a support frame 81, and the adhesive application roller 91 is located below several adhesive application rollers 82. An adhesive storage box 92 is fixedly connected to the side wall of the support frame 81, located below the adhesive application roller 91, and the adhesive application roller 91 can enter the adhesive storage box 92 to pick up the adhesive within it. Simultaneously, an adjusting motor 93 is fixedly connected to the support frame 81, and the output shaft of the adjusting motor 93 is fixedly connected to the adhesive application roller 91, thereby providing a stable driving force for the rotation of the adhesive application roller 91.

[0056] Reference Figure 4The composite mechanism 10 includes a receiving frame 101, a receiving plate 102 horizontally fixedly connected to the side wall of the receiving frame 101, and a pressure roller 103 horizontally rotatably connected to the side wall of the receiving frame 101. The pressure roller 103 is located above the receiving plate 102 and abuts against the receiving plate 102. Meanwhile, a control motor 104 is provided on the receiving frame 101, and the output shaft of the control motor 104 is fixedly connected to the pressure roller 103, thereby providing a stable driving force for the rotation of the pressure roller 103.

[0057] When labels need to be produced, the release layer 1, the base layer 2 and several printing layers 4 are unwound in sequence, and the printing layers 4 are wound over the top of the corresponding glue coating roller 82, while the base layer 2 is wound over the top of the glue application roller 91.

[0058] Subsequently, the corresponding glue-applying roller 82 is controlled by the drive motor 85 to drive several glue-applying rings 83 to rotate. When the glue-applying rings 83 enter the corresponding glue storage box 84, they pick up the glue. As the glue-applying roller 82 continues to rotate, when the glue-applying rings 83 come into contact with the printed layer 4, the glue on the glue-applying rings 83 can adhere to the printed layer 4 and form a ring-shaped adhesive layer.

[0059] At the same time, the glue-applying roller 91 is driven to rotate by adjusting the motor 93. At this time, the glue-applying roller 91 enters the glue storage box 92 and picks up the glue. As the glue-applying roller 91 continues to rotate, when the glue-applying roller 91 comes into contact with the base layer 2, the glue on the glue-applying roller 91 can adhere to the base layer 2 and form an adhesive layer 3.

[0060] Subsequently, the release layer 1, the base layer 2, and several printed layers 4 simultaneously pass between the pressure roller 103 and the receiving plate 102, and then the pressure roller 103 is driven to rotate by the control motor 104. At this time, the pressure roller 103 applies pressure to the release layer 1, the base layer 2, and several printed layers 4, thereby causing the release layer 1, the base layer 2, and several printed layers 4 to adhere together.

[0061] Reference Figure 4 The cutting mechanism 11 includes a mounting frame 111, a mounting platform 112 fixedly connected to the side wall of the mounting frame 111, and an annular cutting blade 113 vertically slidably connected to the side wall of the mounting frame 111, with the cutting blade 113 capable of abutting against the upper surface of the mounting platform 112. Simultaneously, a cylinder 114 is mounted on the mounting frame 111, with the piston end of the cylinder 114 fixedly connected to the cutting blade 113, thereby providing a stable driving force for the vertical movement of the cutting blade 113.

[0062] When the release layer 1, the base layer 2, and several printed layers 4 pass over the mounting platform 112, the cutting blade 113 is driven downward by the cylinder 114. At this time, the cutting blade 113 cuts the release layer 1, the base layer 2, and several printed layers 4 to obtain finished labels and scraps, which can then be collected.

[0063] Reference Figure 5 The material receiving mechanism 12 includes a material receiving shaft 121 that is horizontally rotatably connected to the side wall of the mounting frame 111. A control motor 122 is fixedly connected to the side wall of the mounting frame 111, and the output shaft of the control motor 122 is fixedly connected to the material receiving shaft 121, thereby providing a stable driving force for the rotation of the material receiving shaft 121. When the control motor 122 drives the material receiving shaft 121 to rotate, the material receiving shaft 121 can wind up the scrap material.

[0064] Reference Figure 6 and Figure 7 The upper surface of the mounting table 112 is provided with a support groove 13, which is located directly below the cutting blade 113. After the cutting blade 113 cuts the finished label, the finished label can enter the support groove 13. A receiving rack 14 is vertically slidably connected to the inner wall of the support groove 13. A support shaft 15 is horizontally arranged at the upper end of the receiving rack 14, and a support plate 16 is fixedly connected to the support shaft 15.

[0065] Reference Figure 6 and Figure 7 The side wall of the mounting platform 112 is provided with a strip-shaped hole 17 that communicates with the support groove 13, and the strip-shaped hole 17 extends vertically. At the same time, a support block 18 is vertically slidably connected in the strip-shaped hole 17, and the support block 18 is fixedly connected to the receiving rack 14 so that the support block 18 can drive the receiving rack 14 to move vertically.

[0066] Reference Figure 6 and Figure 7 A drive gear 19 is rotatably connected to the side wall of the mounting platform 112. Drive racks 20 are vertically fixed to the side walls of the support block 18 and the cutting blade 113, respectively. Two drive racks 20 are distributed around the rotating drive gear 19 and mesh with it. When the upper surface of the support plate 16 is flush with the upper surface of the mounting platform 112, the cutting blade 113 just abuts against the support plate 16.

[0067] When the release layer 1, base layer 2, and several printed layers 4 are above the support plate 16, the cutting blade 113 drives the corresponding drive rack 20 to move downwards. At this time, the drive gear 19 controls another drive rack 20 to drive the support block 18 and support plate 16 and other components to move upwards. When the upper surface of the support plate 16 is flush with the upper surface of the mounting platform 112, the cutting blade 113 abuts against the support plate 16. At the same time, the cutting blade 113 cuts the finished label, causing the finished label to fall onto the support plate 16.

[0068] Subsequently, the cylinder 114 drives the cutting blade 113 to move the corresponding drive rack 20 upward, and then the drive gear 19 controls another drive rack 20 to move the support block 18 and support plate 16 downward. At this time, the cutting blade 113 separates from the support plate 16, and then the production personnel can collect the finished labels, and at the same time use the take-up shaft 121 to roll up the scraps.

[0069] Reference Figure 6 and Figure 7 The support shaft 15 is rotatably connected to the receiving rack 14. The side wall of the mounting platform 112 is provided with a material taking port 21 that communicates with the support groove 13. The support plate 16 can rotate toward the material taking port 21 so that the finished product label can slide out through the material taking port 21, thereby facilitating the fixed-point collection of the finished product label by the production personnel.

[0070] Reference Figure 6 and Figure 7 A driven gear 22 is fixedly sleeved on the support shaft 15, and a driven rack 23 is vertically fixedly connected to the inner wall of the support groove 13, with the driven gear 22 meshing with the driven rack 23. When the support plate 16 moves vertically, the support shaft 15 drives the support plate 16 to rotate under the action of the driven gear 22 and the driven rack 23.

[0071] When the receiving rack 14 moves the support plate 16 downwards, the support shaft 15, under the action of the driven gear 22 and the driven rack 23, drives the support plate 16 to rotate toward the material receiving port 21. Subsequently, the finished product label slides off the support plate 16 and is discharged through the material receiving port 21. At this time, the production personnel can collect the finished product label through the collection box, thereby realizing the automated and fixed-point collection of the finished product label.

[0072] When the receiving rack 14 moves the support plate 16 upward, the support shaft 15, under the action of the driven gear 22 and the driven rack 23, drives the support plate 16 to rotate in a direction away from the material receiving port 21. When the support plate 16 flips to a horizontal state, the upper surface of the support plate 16 is just flush with the upper surface of the mounting table 112, and the cutting blade 113 cuts the finished label. By repeating this process, the label collection can be automated.

[0073] The implementation principle of a multi-layer label production process according to an embodiment of this application is as follows: Adhesive is applied to the printing layer 4 by the gluing mechanism 8, and adhesive is applied to the base layer 2 by the gluing mechanism 9. Then, the release layer 1, the base layer 2, and several printing layers 4 are bonded together by the composite mechanism 10. Subsequently, the release layer 1, the base layer 2, and several printing layers 4 are cut by the cutting mechanism 11 to obtain finished labels and scraps. The finished labels and scraps are then collected. This process is repeated to achieve continuous label production.

[0074] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A manufacturing process for multi-layer labels, characterized in that: The multi-layer label includes a release layer (1), a base layer (2), and several printing layers (4) arranged sequentially from bottom to top. The base layer (2) is fixed to the release layer (1) by an adhesive layer (3). Each printing layer (4) has an adhesive layer (5) on its lower surface. The adhesive layer (5) is annular and arranged along the circumferential direction of the printing layer (4). S1: Apply glue to the printed layer (4) through the glue application mechanism (8) to obtain the adhesive layer (5), and apply glue to the base layer (2) through the glue application mechanism (9) to obtain the adhesive layer (3); S2: The base layer (2) and the release layer (1) are bonded and fixed by the composite mechanism (10), and several printing layers (4) are bonded and fixed to each other by the composite mechanism (10), and the bottommost printing layer (4) is bonded and fixed to the base layer (2). S3: The base layer (2), release layer (1) and printing layer (4) are cut by the cutting mechanism (11) to obtain the finished label; S4: The scrap material is collected by the receiving mechanism (12) to realize the production of labels; The cutting mechanism (11) includes a mounting frame (111), a mounting platform (112) horizontally fixed on the mounting frame (111), and an annular cutting blade (113) vertically slidably disposed on the mounting frame (111). The cutting blade (113) can abut against the upper surface of the mounting platform (112). The mounting frame (111) is provided with a cylinder (114) for driving the cutting blade (113) to move vertically. The receiving mechanism (12) includes a receiving shaft (121) rotatably connected to the mounting frame (111) and a control motor (122) fixed to the mounting frame (111). The control motor (122) is used to drive the receiving shaft (121) to rotate. The upper surface of the mounting platform (112) is provided with a support groove (13) for the finished product label to enter. The cutting blade (113) is located directly above the support groove (13). A receiving rack (14) is vertically slidably connected in the support groove (13). A support plate (16) is horizontally fixed at the upper end of the receiving rack (14). The side wall of the mounting platform (112) is provided with a strip hole (17) communicating with the support groove (13). A support block (18) is vertically slidably connected in the strip hole (17). The block (18) is fixedly connected to the receiving rack (14), and the side wall of the mounting platform (112) is rotatably connected to the drive gear (19). The side wall of the support block (18) and the side wall of the cutting blade (113) are respectively vertically fixed with drive racks (20). The two drive racks (20) mesh with the two sides of the drive gear (19). When the upper surface of the support plate (16) is flush with the upper surface of the mounting platform (112), the cutting blade (113) abuts against the support plate (16). The side wall of the support plate (16) is horizontally fixed with a support shaft (15), the support shaft (15) is rotatably connected to the receiving rack (14), the side wall of the mounting platform (112) is provided with a material taking port (21) communicating with the support groove (13), a driven gear (22) is fixedly sleeved on the support shaft (15), and a driven rack (23) is vertically fixed on the inner wall of the support groove (13), the driven gear (22) meshes with the driven rack (23); When the support plate (16) moves downward, the support plate (16) flips toward the feeding port (21), and the finished product label can slide out from the feeding port (21); when the support plate (16) moves upward and flips to a horizontal state, the upper surface of the support plate (16) is flush with the upper surface of the mounting platform (112).

2. The production process of multi-layer labels according to claim 1, characterized in that: Each of the printed layers (4) has a waterproof layer (7) on its upper surface.

3. The production process of multi-layer labels according to claim 1, characterized in that: Each of the printed layers (4) has a mesh-like fiber layer (6) inside.

4. The production process of multi-layer labels according to claim 1, characterized in that: The glue application mechanism (8) includes a support frame (81), a plurality of glue application rollers (82) horizontally rotatably connected to the support frame (81), a plurality of glue application rings (83) fixed to the surface of each glue application roller (82), and a plurality of glue storage boxes (84) fixed to the support frame (81). The plurality of glue application rings (83) are evenly distributed along the circumferential direction of the corresponding glue application rollers (82). The glue storage boxes (84) are located below the corresponding glue application rollers (82), and the glue application rings (83) can enter the corresponding glue storage boxes (84). The support frame (81) is provided with a plurality of drive motors (85) for driving the corresponding glue application rollers (82) to rotate.

5. The production process of multi-layer labels according to claim 1, characterized in that: The composite mechanism (10) includes a receiving frame (101), a receiving plate (102) horizontally fixed to the side wall of the receiving frame (101), and a pressing roller (103) rotatably connected to the receiving frame (101). The pressing roller (103) abuts against the upper surface of the receiving plate (102). The receiving frame (101) is provided with a control motor (104) for driving the pressing roller (103) to rotate.

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