Assembly line for labeling reels wound with terminal belts and using method of assembly line

Abstract

The invention relates to an assembly line for labeling a reel wound with a terminal belt and a use method of the assembly line, belongs to the technical field of electronic manufacturing, and aims to solve the problems of high labor intensity, low efficiency, poor precision, poor product consistency and easy damage of the terminal belt during manual operation of labeling and film pasting of a charging tray. The assembly line comprises a feeding conveyor, a discharging conveyor, a rack, and a feeding mechanism, a steering mechanism, a film pasting station, a film pasting mechanism, a discharging mechanism, a lifting table and a labeling mechanism which are mounted on the rack. The feeding mechanism conveys stacked material trays one by one, the steering mechanism adjusts the postures of the material trays, the film pasting mechanism pastes isolating films on the material trays at the film pasting station, the discharging mechanism moves the material trays to the lifting table, and the material trays are output through the discharging conveyor after being labeled by the labeling mechanism. Automatic line production is achieved through cooperation of all the mechanisms, operation efficiency and precision are improved, product consistency is guaranteed, damage to the terminal belt is reduced, and the device is suitable for processing trays wound with the terminal belt in the electronic manufacturing industry.

Description

Technical Field

[0001] This invention belongs to the field of electronic manufacturing technology and relates to a labeling production line for reels wrapped with terminal tape and its usage method. Background Technology

[0002] In the electronics manufacturing industry, terminal strips are usually stored and transported on reels. To facilitate identification and management, labels need to be affixed to the reels. In addition, to protect the terminal strips from contamination or damage, a release film also needs to be affixed to the surface of the reels.

[0003] Currently, the labeling and release film application for reels with terminal strips is mostly done manually. Operators need to move stacks of reels one by one to a designated location, manually adjust the reel's position, apply the release film, and then move the reel to another location for labeling. Finally, the processed reels are collected and organized.

[0004] This manual operation method has many drawbacks: manual handling of reels is labor-intensive and inefficient, making it difficult to meet the needs of mass production; when manually adjusting the reel posture and applying release film and labels, it is difficult to guarantee accuracy, and the release film and labels are prone to problems such as skewing and insecure adhesion, affecting product quality and subsequent use; different operators have different operating techniques, resulting in poor product consistency and increasing the difficulty of subsequent quality inspection; during the operation, terminal strips may also be damaged due to misoperation, causing unnecessary losses.

[0005] Therefore, we propose a labeling production line for reels wrapped with terminal tape and its usage method to solve the problems mentioned above. Summary of the Invention

[0006] In view of this, in order to solve the above problems, the present invention provides a labeling assembly line for reels wrapped with terminal tape and a method for using the same.

[0007] To achieve the above objectives, the present invention provides the following technical solution: A labeling production line for reels wrapped with terminal tape includes: Material feeding conveyor; An unloading conveyor is arranged parallel to one side of the feeding conveyor; The frame is located at one end of the feeding conveyor; A feeding mechanism, located on the frame, is used to convey stacked trays one by one; A steering mechanism, located on one side of the feeding mechanism, is used to adjust the orientation of the material tray; The film application station is located at one end of the unloading conveyor; A film-applying mechanism is located on both sides of the film-applying station and is used to apply release film to the material tray; The unloading mechanism is located on the unloading conveyor; Lifting platforms are located at both ends of the unloading conveyor, with one of the lifting platforms located below the unloading mechanism for receiving the material tray from the unloading mechanism; A labeling mechanism is located on the unloading conveyor and on the other side of the unloading mechanism, and is used to affix labels to the material trays on the lifting platform. The material tray enters the film-applying station from the feeding conveyor via the feeding mechanism and the turning mechanism. After the film-applying mechanism applies the release film, the unloading mechanism moves the material tray to the lifting platform, the labeling mechanism applies the label, and the material is unloaded by the unloading conveyor, thus realizing automated assembly line operation.

[0008] The feeding mechanism includes: Multiple electric rollers I are mounted on the frame, with clearance holes between them; two limiting frames are slidably mounted on the frame; two cylinders II are fixedly mounted on the top of the frame, with their output ends connected to the limiting frames, for driving the limiting frames to move and clamp the material tray; cylinder III is fixedly mounted on the bottom of the frame, with its output end extending to the top of the frame and fixedly connected to a connecting plate I, for driving the material tray to rise and fall; multiple guide rods I are fixedly connected to the connecting plate I and slidably mounted on the frame; positioning pins I are fixedly mounted on the top of the connecting plate I, for inserting into the through holes of the material tray; cylinder I is fixedly mounted on one side of the frame; a connecting base is fixedly mounted on the output end of cylinder I; two limiting rollers are fixedly mounted on the top of the connecting base, for limiting the subsequent material tray; Among them, cylinder III drives connecting plate I to rise and push the material tray, cylinder II controls the limit frame to clamp, and cylinder III retracts to make the bottom material tray fall onto electric roller I for conveying.

[0009] The steering mechanism includes: Multiple electric rollers II are mounted on the frame; a mounting frame is fixedly mounted on the top of the frame; a cylinder IV is fixedly mounted inside the mounting frame; a limiting plate is fixedly mounted on the slider of the cylinder IV for adjusting the position of the material tray; and a guide roller I is fixedly mounted on one side of the frame for guiding the material tray to rotate. Among them, cylinder IV drives the limit plate to move, ensuring that the material tray enters the film application station smoothly.

[0010] The film application station includes: Multiple electric rollers III are mounted on the frame; a connecting frame I is positioned between the multiple electric rollers III; a rotary cylinder is fixedly mounted inside the frame; a connecting plate II is fixedly mounted at the output end of the rotary cylinder; multiple connecting columns I are fixedly connected to the connecting plate II and the connecting plate III; multiple guide sleeves are mounted on the top of the connecting plate III; multiple sliding rods are slidably mounted in the guide sleeves, with a connecting plate IV fixedly connected to their tops, the connecting plate IV passing through the connecting frame I; a cylinder V is fixedly mounted inside the connecting plate III, with its output end connected to the connecting plate IV; a positioning column II and two positioning blocks are fixedly mounted on the top of the connecting plate IV; Among them, cylinder V drives the connecting plate IV to rise, so that positioning column II and positioning block are inserted into the material tray, and the rotating cylinder drives the material tray to rotate to adjust the film application position.

[0011] The film application mechanism includes: A film-applying reel is rotatably mounted on the frame; a fixed frame is fixedly mounted on the top of the frame; cylinder VI is fixedly mounted on one side of the fixed frame; cylinder VII is fixedly mounted at the output end of cylinder VI; a connecting frame II is fixedly mounted on one side of cylinder VII; a clamping cylinder is fixedly mounted on one side of the connecting frame II for clamping the release film; a movable base is slidably mounted on the top of the frame; cylinder VIII is fixedly mounted on the frame, with a slider connected to the movable base; cylinder IX is fixedly mounted on the top of the movable base; a mounting base is slidably mounted on the top of the movable base via guide rod II; and pressure plates are fixedly mounted on one side of both the mounting base and the movable base. Among them, cylinder IX drives the pressure plate to open and close, and cylinder VIII drives the moving seat to move, so that the pressure plate presses the isolation membrane onto the upper and lower surfaces of the material tray.

[0012] Also includes: A rotating rod is rotatably mounted on one side of the frame; a rubber block is fixedly mounted on one end of the rotating rod and contacts the film reel; a tension spring connects the rubber block and the frame. The tension spring prevents the rubber block from rotating, and the film-applying reel can be replaced by pushing the rotating rod upward.

[0013] Also includes: Cylinder X is fixedly mounted on the top of the frame; cutter body is fixedly mounted on the output end of cylinder X; limit seat is fixedly mounted on the frame; sliding block is slidably mounted in the limit seat; spring is mounted in the limit seat, with both ends abutting against the sliding block and the bottom wall of the limit seat. Among them, cylinder X drives the cutter body to cut the isolation membrane, and the clamping cylinder clamps the cut isolation membrane.

[0014] The labeling mechanism includes: A labeling reel is rotatably mounted on the unloading conveyor; a take-up roller and multiple guide rollers II are rotatably mounted on the unloading conveyor; a guide plate is fixedly mounted on the unloading conveyor for separating the label backing film from the label; cylinder XIII is fixedly mounted on the unloading conveyor; cylinder XIV is fixedly mounted at the output end of cylinder XIII; a suction cup is fixedly mounted at the bottom of cylinder XIV; an extension frame II is fixedly mounted on one side of the frame; a swing frame is rotatably mounted on one side of the extension frame II; a pressure roller is rotatably mounted at one end of the swing frame; a U-shaped opening is opened at the other end of the swing frame; and a connecting column II is fixedly mounted at the output end of cylinder XIV and located inside the U-shaped opening. The suction cup picks up the label, the cylinder XIV drives the pasting, and the swing frame drives the pressure roller to press the label to ensure it is firmly attached.

[0015] The feeding mechanism includes: Connecting frame III is fixedly mounted on the frame; cylinder XI is fixedly mounted inside connecting frame III; cylinder XII is fixedly mounted on the slider of cylinder XI; connecting plate is fixedly mounted on the output end of cylinder XII; base is fixedly mounted on the bottom of connecting plate; positioning post III is fixedly mounted on the bottom of base; extension frame I is fixedly mounted on one side of base; elastic strip is fixedly mounted on the bottom of extension frame I; Among them, cylinder XII drives positioning pin III to insert into the through hole of the material tray, the elastic strip abuts against the material tray and deforms, cylinder XI moves the material tray to the lifting platform, the elastic strip resets and pushes the material tray to disengage.

[0016] A method of using a labeling production line for reels wrapped with terminal tape, applied to the aforementioned labeling production line for reels wrapped with terminal tape, includes the following steps: S1. Place the stacked material trays on the connecting plate I of the feeding mechanism, and insert the positioning pin I into the through hole; S2. Start cylinder III to raise the material tray, cylinder II drives the limit frame to clamp the upper reel, cylinder III retracts to let the bottom material tray fall onto electric roller I and be conveyed to the steering mechanism; S3. The cylinder IV of the steering mechanism drives the limit plate to adjust the position of the material tray, and the guide roller I guides it into the film application station; S4. Cylinder V at the film application station drives the connecting plate IV to rise, positioning column II and positioning block are inserted into the material tray, and the rotary cylinder rotates to adjust the film application position. S5. The clamping cylinder of the film applicator clamps the release film, and cylinders VIII and IX drive the pressure plate to press the release film onto the surface of the material tray. S6. The cylinder XII of the feeding mechanism drives the positioning column III to insert into the material tray, the cylinder XI moves the material tray to the lifting platform, and the elastic bar resets to disengage the material tray. S7. The lifting platform adjusts its height, the suction cup of the labeling mechanism adsorbs the label, cylinders XIV and XIII drive the labeling, and the swing frame drives the pressure roller to press the label. S8. After labeling, the lifting platform descends, and the unloading conveyor conveys the material tray to unload the material.

[0017] The beneficial effects of this invention are as follows: 1. The present invention discloses a labeling production line for reels wrapped with terminal tape. Through the coordinated operation of multiple electric rollers I, cylinders, limiting frames, limiting rollers, and positioning posts I in the feeding mechanism, the orderly and precise feeding of the reels is achieved. Cylinder III drives connecting plate I to move stacked reels, cylinder II controls the limiting frame to clamp the designated reel, and cylinder I drives the limiting roller to limit the subsequent reels. This series of actions enables the reels to move accurately and stably onto the electric rollers I and be conveyed to the steering mechanism. This effectively avoids the reels from becoming disordered and deviating during the feeding process, improves feeding efficiency and accuracy, and lays the foundation for the smooth progress of subsequent processes.

[0018] 2. The present invention discloses a labeling production line for reels wrapped with terminal tape. The film application station utilizes components such as an electric roller III, a rotary cylinder, a cylinder V, a positioning post II, and a positioning block to achieve precise positioning and rotation adjustment of the reel during the film application process. The cylinder V drives the connecting plate IV to insert the positioning post II and the positioning block into the corresponding positions on the reel. The rotary cylinder drives the connecting plate II to rotate, thereby driving the reel to rotate. The application position of the release film can be flexibly adjusted to achieve uniform distribution of the release film.

[0019] 3. The labeling production line for reels wrapped with terminal tape disclosed in this invention achieves automatic clamping, movement, and application of the release liner through the coordinated operation of components such as the film reel, cylinders VI-IX, clamping cylinders, and pressure plates. Cylinder IX drives the mounting base to move, causing the two pressure plates to move away from or towards each other. Cylinder VIII drives the moving base to move, causing the pressure plates to press the release liner onto the upper and lower surfaces of the reel. At the same time, the rotating rod, rubber block, and tension spring structure on one side of the film reel effectively prevent the film reel from rotating, ensuring the normal supply of release liner. Reel replacement is simple; simply push the rotating rod upwards. This improves the practicality and convenience of the equipment. In addition, the cylinder X and cutter can accurately cut the release liner, and the clamping cylinder clamps and moves the cut release liner upwards, facilitating subsequent film application operations and further optimizing the film application process.

[0020] 4. The present invention discloses a labeling production line for reels wrapped with terminal tape. The unloading mechanism realizes automatic unloading of the reel through the cooperation of components such as connecting frame III, cylinders XI-XII, positioning pin III and elastic strip. Cylinder XII drives positioning pin III to insert into the through hole of the reel. The elastic strip abuts against the reel and deforms. Cylinder XI pulls the reel to the lifting platform. When cylinder XII retracts, the elastic strip resets and pushes the reel away from positioning pin III, avoiding damage and jamming of the reel during the unloading process and improving unloading efficiency and quality. 5. The labeling production line disclosed in this invention for labeling reels wound with terminal tape utilizes the coordinated operation of components such as the labeling reel, take-up roller, guide roller II, guide plate, cylinders XIII-XIV, suction cup, swing frame, and pressure roller to achieve automatic separation, adsorption, pasting, and pressing of labels. The take-up roller drives the label paper to move, the guide plate separates the label base film and the label, and after the suction cup adsorbs the label, the label is accurately pasted onto the reel by the drive of cylinders XIII and XIV. At the same time, the swing frame drives the pressure roller to press the label, ensuring that the label is firmly pasted on the reel and is not easy to fall off, thus improving the quality and stability of label pasting.

[0021] Other advantages, objectives, and features of the invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination, or may be learned from practice of the invention. The objectives and other advantages of the invention can be realized and obtained through the following description. Attached Figure Description

[0022] To make the objectives, technical solutions, and advantages of the present invention clearer, the preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, wherein: Figure 1 This is a three-dimensional structural schematic diagram of a labeling production line for reels wrapped with terminal tape according to the present invention; Figure 2 This is a partially exploded structural diagram of an assembly line for labeling reels with terminal tape wound around them, according to the present invention. Figure 3 This is a schematic diagram of a feeding mechanism for labeling a reel with terminal tape wound on it according to the present invention. Figure 4 For this Figure 3 Schematic diagram of a local structure in the middle; Figure 5 This is a schematic diagram of a steering mechanism for labeling a reel with terminal tape wound on it, according to the present invention. Figure 6 This is a schematic diagram of a positioning plate mounting structure for labeling a reel with terminal tape wound on it, according to the present invention. Figure 7This is a schematic diagram of a film-applying station structure for labeling reels wrapped with terminal tape according to the present invention. Figure 8 This is a schematic diagram of a lifting and rotating assembly structure for labeling reels wrapped with terminal tape according to the present invention. Figure 9 This is a schematic diagram of a film-applying mechanism for a labeling production line for a reel wrapped with terminal tape according to the present invention; Figure 10 for Figure 9 Another perspective structural diagram; Figure 11 This is a partial structural diagram of a film-applying mechanism for labeling reels with terminal tape wound on them, according to the present invention. Figure 12 This is a schematic diagram of the labeling mechanism and unloading mechanism for a labeling production line for a reel wrapped with terminal tape according to the present invention; Figure 13 This is a schematic diagram of the unloading mechanism for labeling reels wrapped with terminal tape according to the present invention. Figure 14 This is a schematic diagram of the installation structure of an elastic plate and positioning post for labeling a reel with terminal tape wound on it according to the present invention. Figure 15 This is a schematic diagram of a pressure roller mounting structure for labeling a reel with terminal tape wound on it, according to the present invention.

[0023] Reference numerals: 1. Feeding conveyor; 2. Feeding mechanism; 21. Cylinder I; 22. Connecting base; 23. Limiting roller; 24. Electric drum I; 25. Alternating hole; 26. Cylinder II; 27. Limiting frame; 28. Cylinder III; 29. ​​Guide rod I; 291. Connecting plate I; 292. Positioning column I; 3. Steering mechanism; 31. Guide roller I; 32. Mounting frame; 33. Limiting plate; 34. Electric drum II; 35. Cylinder IV; 4. 5. Unloading conveyor; 6. Film application station; 7. Electric roller III; 8. Connecting frame I; 9. Rotary cylinder; 10. Connecting plate II; 11. Connecting column I; 12. Connecting plate III; 13. Guide sleeve; 14. Sliding rod; 15. Cylinder V; 16. Connecting plate IV; 17. Positioning column II; 18. Positioning block; 19. Limiting seat; 10. Sliding block; 10. Film application mechanism; 11. Film application reel; 12. Rotating rod; 13. 64. Rubber block; 65. Tension spring; 66. Fixing frame; 67. Cylinder VI; 68. Cylinder VII; 69. Connecting frame II; 60. Clamping cylinder; 61. Control panel; 62. Pressure plate; 693. Moving base; 694. Cylinder VIII; 695. Cylinder IX; 696. Mounting base; 697. Guide rod II; 698. Cylinder X; 699. Cutting blade; 70. Unloading mechanism; 71. Connecting frame III; 72. Base; 73. Cylinder XI; 74. 75. Cylinder XII; 76. Connecting plate; 77. Positioning post III; 78. Extension frame I; 79. Elastic strip; 80. Lifting platform; 91. Material tray; 92. Through hole; 10. Labeling mechanism; 103. Labeling reel; 104. Rewinding roller; 105. Guide roller II; 106. Suction cup; 107. Pressure roller; 108. Cylinder XIII; 109. Cylinder XIV; 100. Extension frame II; 111. Swing frame; 122. U-shaped opening; 133. Connecting post II. Detailed Implementation

[0024] The following specific examples illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0025] The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual pictures. They should not be construed as limiting the invention. To better illustrate the embodiments of the invention, some parts in the drawings may be omitted, enlarged, or reduced, and do not represent the actual product dimensions. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0026] In the accompanying drawings of the embodiments of the present invention, the same or similar reference numerals correspond to the same or similar components. In the description of the present invention, it should be understood that if terms such as "upper," "lower," "left," "right," "front," and "rear" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting the present invention. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0027] Example 1 like Figures 1-15 As shown, a labeling production line for reels wrapped with terminal tape is described. The main frame of the production line includes a feeding conveyor 1 and an unloading conveyor 4, which are arranged in parallel. A frame is erected near the starting end of the feeding conveyor 1. The feeding mechanism 2 on the frame feeds stacked reels 9 one by one into the production line. A turning mechanism 3 on the side adjusts the posture of the reels 9 before sending them to the film-applying station 5. The film-applying station 5 is located at the beginning of the unloading conveyor 4. Film-applying mechanisms 6 on both sides work together to apply the release film. Then, the unloading mechanism 7 transfers the reels 9 to a lifting platform 8, where the labeling mechanism 10 applies the labels. Finally, the reels are unloaded by the unloading conveyor 4, forming a complete closed-loop operation.

[0028] The feeding mechanism 2 includes multiple electric rollers I24, arranged on the machine frame platform. Alternating holes 25 are provided between the rollers to accommodate the lifting and lowering of the connecting plate I291. Two limiting frames 27 are symmetrically distributed on both sides of the alternating holes 25. Two cylinders II26 are fixed to the top of the machine frame, with their output ends fixedly connected to the corresponding limiting frames 27, enabling them to move and lock the material tray 9. A cylinder III28 is fixed to the bottom of the machine frame, with its output end extending to the top of the machine frame and fixedly mounted on the connecting plate I291. Multiple guide rods I29, fixedly connected to the connecting plate I291, slide through the top of the machine frame, allowing the connecting plate I291 to slide against the machine frame. A positioning post I292 is fixedly mounted on the top of the connecting plate I291, precisely inserted into the through hole 91 in the center of the material tray 9. A cylinder I 21 is fixedly installed on one side of the frame. A connecting base 22 is fixedly installed at the output end of the cylinder I 21. Two limiting rollers 23 are fixedly installed on the top of the connecting base 22. The cylinder I 21 can drive the limiting rollers 23 to move up and down.

[0029] In actual operation, the stacked reels 9 are first placed on the connecting plate I 291, and the positioning pin I 292 is inserted into the through hole 91 of the bottom reel to achieve initial positioning. The cylinder III 28 is activated, causing the stack of reels to rise. When the edge of the second reel is flush with the limiting frame 27, the cylinder II 26 immediately actuates, pushing the limiting frame 27 inward to steadily support the upper reel. Then, the cylinder III 28 retracts, and the bottom reel falls onto the electric roller I 24. The roller rotates, sending the reel 9 to the steering mechanism 3. After the reel leaves, the cylinder I 21 drives the limiting roller 23 to rise, blocking subsequent reels and awaiting the next cycle command.

[0030] The platform of the steering mechanism 3 is flush with the feeding mechanism 2, and multiple electric rollers II 34 are distributed on it to ensure smooth transition of the material tray 9. A mounting frame 32 is fixedly installed on the top of the frame, and a cylinder IV 35 is fixedly installed inside the mounting frame 32. A limiting plate 33 is fixedly installed on the slider of the cylinder IV 35, which can push the limiting plate 33 to move left and right. A guide roller I 31 is fixedly installed on one side of the frame, which guides the material tray 9 to turn and enter the conveying path of the film-applying station 5 as it passes by.

[0031] The unloading conveyor 4 mainly consists of a frame, multiple electric rollers, a transmission mechanism, and a sensor assembly. The frame is constructed from high-strength aluminum alloy profiles, with an overall elongated shape. Its length is determined by the production line's operating rhythm and the intervals between processes, while its width matches the diameter of the material tray 9, ensuring the tray does not tip over during transport. Multiple electric rollers are evenly distributed on the frame's platform. The number of rollers depends on the conveyor's length. The roller axes are perpendicular to the conveying direction, and the tops of all rollers are on the same horizontal plane, ensuring the material tray 9 can be placed and transported stably. The electric rollers are connected to the frame at both ends via bearing seats, allowing for flexible rotation. Internally, they contain a drive motor and a reduction mechanism, providing stable driving force. The conveying speed can be controlled by adjusting the motor speed to adapt to different operating rhythms. The sensor assembly includes multiple photoelectric sensors, installed at key locations such as the conveyor entrance, in front of the film-applying station 5, in front of the unloading mechanism 7, and at the exit. These sensors detect the position information of the material tray 9 and transmit signals to the control system for automated control.

[0032] The primary function of the unloading conveyor 4 is to receive the trays 9 from the film-applying station 5 and stably transport them to subsequent processes. When the tray 9 enters the inlet of the unloading conveyor 4 from the film-applying station 5, the photoelectric sensor at the inlet detects the reel and sends a signal to start the electric roller to rotate. The tray 9 moves along the conveyor platform under the drive of the electric roller. When the tray 9 moves to the front of the unloading mechanism 7, the photoelectric sensor at that position detects the reel, and the control system sends a command to slow down the electric roller until it stops rotating, accurately positioning the tray 9 at the unloading mechanism 7 so that the labeling mechanism 10 can perform the labeling operation. After labeling is completed, the lifting platform 8 is lowered so that it is level with the unloading conveyor 4, and the tray is smoothly transported to the outlet for collection by operators or subsequent equipment.

[0033] The lifting platform 8 plays a crucial role in the production line, positioned at both ends of the unloading conveyor 4. The lifting platform 8 located below the unloading mechanism 7 works with the labeling mechanism 10 to complete the labeling operation, while the other lifting platform 8 receives the labeled trays 9 for subsequent transfer. The lifting platform 8 mainly consists of a base, a scissor-type support, a carrying platform, a drive cylinder, and guide components. The base is welded from heavy-duty steel plates to ensure it does not wobble or tilt when carrying the trays 9. Leveling bolts are located at the four corners of the base, allowing adjustment based on the flatness of the workshop floor to ensure the lifting platform 8 remains level. The scissor-type support, located between the base and the carrying platform, consists of multiple sets of intersecting metal rods connected by pins, allowing for flexible rotation. The top of the support connects to a slider at the bottom of the carrying platform, while the bottom engages with a slide rail on the base, enabling smooth movement during extension and retraction. A raised edge around the platform further enhances the stability of the reel placement. The drive cylinder is mounted on the base, with the cylinder body hinged to the base and the top of the piston rod hinged to the middle of the scissor-type bracket. The extension and retraction of the piston rod causes the bracket to unfold or fold, thereby raising and lowering the support platform. The guide assembly includes guide posts fixed to both sides of the support platform and guide sleeves mounted on the base. The guide posts are inserted into the guide sleeves and can slide up and down along them, ensuring that the support platform does not shift during raising and lowering and remains level at all times.

[0034] The film application station 5 includes an electric roller Ⅲ51 rotatably mounted on the frame. The electric roller Ⅲ51 is at the same height as the roller of the steering mechanism 3, ensuring stable docking of the material tray 9. A connecting frame Ⅰ52 is provided between multiple electric rollers Ⅲ51. The connecting frame Ⅰ52 has a hollow structure, and a rotary cylinder 53 is fixedly installed inside the frame below it. A connecting plate Ⅱ54 is fixedly installed at the output end of the rotary cylinder 53. The top of the connecting plate Ⅱ54 is fixedly connected to the connecting plate Ⅲ56 via multiple connecting columns Ⅰ55, forming a stable transmission structure. A sliding rod 58 is slidably mounted on the top of the connecting plate Ⅲ56 via a guide sleeve 57. The top of multiple sliding rods 58 is fixedly mounted on the same connecting plate Ⅳ591, which can pass through the connecting frame Ⅰ52. A cylinder Ⅴ59 is fixedly installed inside the connecting plate Ⅲ56. The output end of the cylinder Ⅴ59 is fixedly connected to the connecting plate Ⅳ591, which can push the connecting plate Ⅳ591 upward. The top of the connecting plate Ⅳ591 is fixedly equipped with a positioning post Ⅱ592 and two positioning blocks 593, which are perfectly matched with the through hole 91 and positioning hole of the material plate 9.

[0035] When the material tray 9 reaches the film application station 5, the electric roller Ⅲ 51 stops rotating, the cylinder Ⅴ 59 pushes the connecting plate Ⅳ 591 to rise, and after the positioning pin and positioning block are inserted into the reel, the rotary cylinder 53 rotates according to the preset program to turn the area of ​​the material tray 9 to be applied to the front.

[0036] The film application mechanism 6 has a film application reel 61 rotatably mounted on a frame. A fixed frame 65 is fixedly mounted on the top of the frame, above the film application reel 61. A cylinder VI 66 is fixedly mounted on one side of the fixed frame 65, and a cylinder VII 67 is fixedly mounted at the output end of the cylinder VI 66. A connecting frame II 68 is fixedly mounted on one side of the cylinder VII 67, and a clamping cylinder 69 is fixedly mounted on one side of the connecting frame II 68, which can clamp the release film on the film application reel 61. A movable seat 693 is slidably mounted on the top of the frame, and a cylinder VIII 694 is fixedly mounted on the frame. The movable seat 693 is fixedly mounted on the slider of the cylinder VIII 694, and the cylinder VIII 694 can drive the movable seat 693 to move. A cylinder IX 695 is fixedly installed on the top of the movable base 693. A mounting base 696 is slidably mounted on the top of the movable base 693 via two guide rods II 697. A pressure plate 692 is fixedly installed on one side of both the mounting base 696 and the movable base 693. The cylinder IX 695 can push the mounting base 696 to move up and down, thereby opening and closing the pressure plate 692. A control panel 691 is provided on the frame.

[0037] A rotating rod 62 is rotatably mounted on one side of the frame, located on the side of the film reel 61. A rubber block 63 is fixed to the other end of the rotating rod 62. A tension spring 64 is connected to one side of the rubber block 63 and the frame. Under the tension of the tension spring 64, the rubber block 63 can always be in contact with the film reel 61. When it is necessary to change the reel, simply pull the rotating rod 62 upward to overcome the tension of the tension spring 64 and the reel can be easily removed.

[0038] A cylinder X698 is fixedly installed on the top of the frame. A cutter body 699 is fixedly installed at the output end of the cylinder X698. A limiting seat 511 that works with the cutter body 699 is fixedly installed on the frame. A sliding block 512 is slidably installed inside the limiting seat 511. A spring is installed inside the limiting seat 511. The two ends of the spring abut against the bottom of the sliding block 512 and the bottom wall of the limiting seat 511, respectively, so that the gripper of the cylinder 69 can move to both sides of the isolation membrane.

[0039] The entire film application process is as follows: After the cutter cuts the release liner, the clamping cylinder 69 closes to pick up the film, the cylinder VI 66 drives the film to rise, and the cylinder VIII 694 pushes the moving seat 693 forward to deliver the film to the side of the material tray 9. At this time, the upper and lower pressure plates 692 open. After the film contacts the reel, the cylinder IX 695 drives the upper pressure plate downward to press the upper and lower edges of the film firmly. After pressing, the cylinder X 698 extends and drives the cutter 699 to approach the limiting seat 511 to cut the release liner. The film is then picked up using the above method.

[0040] The labeling reel 101 of the labeling mechanism 10 is rotatably mounted on the unloading conveyor 4. The unloading conveyor 4 is rotatably equipped with a take-up roller 102 and multiple guide rollers II 103. A guide plate located on one side of the guide rollers II 103 is fixedly mounted on the unloading conveyor 4. A cylinder XIII 106 is fixedly mounted on the unloading conveyor 4. A cylinder XIV 107 is fixedly mounted at the output end of the cylinder XIII 106. A suction cup 104 is fixedly mounted at the bottom of the cylinder XIV 107, which can drive the suction cup 104 to move. An extension frame II 108 is fixedly installed on one side of the frame, located on the side of cylinder XⅣ107. A swing frame 109 is rotatably installed on one side of the extension frame II 108. A pressure roller 105 is rotatably installed at one end of the swing frame 109. A U-shaped opening 110 is opened at the other end of the swing frame 109. A connecting column II 111 is installed in the U-shaped opening 110. The connecting column II 111 is fixedly installed at the output end of cylinder XⅣ107. When cylinder XⅣ107 is activated, the swing frame 109 can be driven to swing up and down through the connecting column II 111.

[0041] During operation, the take-up roller 102 pulls the label tape. When the front end of the label reaches below the suction cup 104, cylinder XIV 107 drives the suction cup 104 downward to hold the label, while the swing frame 109 flips upward to avoid the path. Cylinder XIII 106 pushes the suction cup 104 to move above the material tray 9, and the downward movement initially affixes the label. Subsequently, the suction cup 104 moves upward, and the swing frame 109 flips downward, causing the pressure roller 105 to press against the label surface. At this time, cylinder XIII 106 retracts, and the pressure roller 105 rotates with the material tray 9, flattening the label.

[0042] The connecting frame Ⅲ71 of the feeding mechanism 7 is fixedly mounted on the machine frame. A cylinder XI73 is fixedly mounted inside the connecting frame Ⅲ71. A cylinder XII74 is fixedly mounted on the slider of the cylinder XI73. A connecting plate 75 is fixedly mounted at the output end of the cylinder XII74. A base 72 is fixedly mounted at the bottom of the connecting plate 75. A positioning post Ⅲ76 is fixedly mounted at the bottom of the base 72. An extension frame Ⅰ77 is fixedly mounted on one side of the base 72. An elastic strip 78 is fixedly mounted at the bottom of the extension frame Ⅰ77.

[0043] When the film-coated tray 9 reaches the designated position, cylinder XII 74 immediately descends. After positioning pin III 76 inserts into through hole 91, cylinder XI 73 drives cylinder XII 74 to move, pulling the tray 9 above the lifting platform 8. Subsequently, cylinder XII 74 ascends, and elastic bar 78 gradually resets, smoothly pressing the tray 9 onto the lifting platform 8.

[0044] The entire production line is coordinated by a PLC control system. The control panel 691 is equipped with a touch screen, which can display the operating status and fault information in real time. The operator only needs to press the start button, and the system can automatically complete the entire process from material feeding to labeling.

[0045] Working Principle: When the material trays 9 need to be labeled and have release film applied, the operator first places the stack of material trays 9 on the connecting plate I 291 of the feeding mechanism 2. At this time, the positioning pin I 292 is inserted into the through hole 91 of the bottom material tray 9 to achieve initial positioning. The feeding mechanism 2 starts working, and the cylinder III 28 is activated. Its piston rod extends, driving the connecting plate I 291 to move upward, thereby pushing the stack of material trays 9 upward together. When the edge of the second material tray 9 is flush with the limiting frame 27, the sensor installed on the frame sends a signal, and the cylinder II 26 immediately actuates. Its piston rod retracts, driving the two limiting frames 27 to move closer to the material trays 9, finally firmly clamping the second and subsequent material trays 9 below. Subsequently, the piston rod of the cylinder III 28 retracts, and the connecting plate I 291 drives the bottom material tray 9 to descend until the material tray 9 lands on the electric roller I 24. At this time, the electric roller I 24 starts, and through its own rotation, it transports the material trays 9 to the steering mechanism 3. After the material tray 9 leaves the feeding mechanism 2, the piston rod of cylinder I 21 extends, driving the connecting base 22 and the two limiting rollers 23 to move upward, which blocks the remaining material tray 9 and prevents it from falling prematurely, waiting for the next working cycle.

[0046] After the tray 9 enters the steering mechanism 3, it falls onto the electric roller II 34. The electric roller II 34 rotates, causing the tray 9 to continue moving. During this movement, the cylinder IV 35 inside the mounting frame 32 actuates, and its slider moves the limiting plate 33, adjusting it according to the position of the tray 9 to ensure that the tray 9 is in the correct position on the electric roller II 34 and to prevent deviation. At the same time, the guide roller I 31 on one side of the frame guides the tray 9, guiding it to change direction and smoothly enter the film application station 5.

[0047] After the material tray 9 enters the film application station 5, the film application mechanism 6 begins operation. First, the piston rod of cylinder VI 66 extends, and simultaneously cylinder VII 67 actuates, adjusting the position of clamping cylinder 69 so that it corresponds to the limiting seat 511. Clamping cylinder 69 continues to move downward, pushing sliding block 512 downward. At this time, the release liner is located in the gripper of clamping cylinder 69, and clamping cylinder 69 actuates to clamp the release liner. Subsequently, the piston rod of cylinder VI 66 retracts, pulling the release liner upward. Then, the piston rod of cylinder IX 695 extends, driving mounting seat 696 to move upward, causing the two moving seats 693 to move away from each other. Next, cylinder VIII 694 actuates, driving moving seat 693 to move, causing the two pressure plates 692 to move closer to the material tray 9. When the pressure plates 692 contact the release liner, they continue to move until one side of the release liner contacts the outer wall of the material tray 9. Then, the piston rod of cylinder IX 695 retracts, causing the two pressure plates 692 to move closer together, pressing the upper and lower ends of the release liner onto the upper and lower surfaces of the tray 9, completing the application of the release liner. Cylinder X 698 at the top of the frame actuates, extending its piston rod and causing the cutter 699 to move closer to the limiting seat 511, cutting the release liner. The cut release liner is then bonded to one side of the limiting seat 511. Simultaneously, during the application process, the rotating rod 62 on one side of the application reel 61, under the action of the tension spring 64, keeps the rubber block 63 in constant contact with the application reel 61, preventing the release liner from loosening due to the rotation of the application reel 61.

[0048] After the film is pasted, the film-applying station 5 begins operation, changing the pasting position of the material tray 9. Cylinder V 59 is activated, its piston rod extending to push connecting plate IV 591 upwards. Positioning pin II 592 on connecting plate IV 591 inserts into the through hole 91 of the material tray 9, and positioning block 593 inserts into the positioning hole on the material tray 9, achieving precise fixation of the material tray 9. Subsequently, rotary cylinder 53 is activated, driving connecting plate II 54 to rotate. This, through connecting pin I 55, drives connecting plate III 56 and connecting plate IV 591 to rotate together, thereby rotating the material tray 9 and adjusting the position where the release film needs to be pasted to a suitable angle. The release film is then pasted using the same method.

[0049] After the film application is completed, the piston rod of cylinder V59 in film application station 5 retracts, connecting plate IV591 descends, and positioning pin II592 and positioning block 593 separate from the material tray 9. The unloading mechanism 7 starts working, activating cylinder XII74, whose piston rod extends, driving positioning pin III76 below base 72 to insert into the through hole 91 of the material tray 9. Simultaneously, elastic strip 78 contacts and deforms against the material tray 9. Next, cylinder XI73 actuates, driving cylinder XII74 to move, pulling the material tray 9 from film application station 5 to above the lifting platform 8 below the unloading mechanism 7. Subsequently, the piston rod of cylinder XII74 retracts, positioning pin III76 moves upward, and during this process, elastic strip 78 resets, pushing the material tray 9 downward, causing positioning pin III76 to disengage from the through hole 91, and the material tray 9 falls onto the support platform of the lifting platform 8.

[0050] The lifting platform 8 adjusts its height based on the position information of the labeling mechanism 10. If it is necessary to raise the material tray 9, the piston rod of the drive cylinder extends, pushing the scissor-type bracket to unfold, and the supporting platform rises accordingly. The guide column moves synchronously along the guide sleeve to ensure the platform rises smoothly until the material tray 9 reaches the appropriate labeling height. At this time, the labeling mechanism 10 starts working, starting the motor on one side of the take-up roller 102, which drives the label paper on the labeling reel 101 to move. When the label paper passes the guide plate, the label backing film separates from the label, and one end of the label moves to below the suction cup 104. Next, the piston rod of cylinder XIV 107 extends, driving the suction cup 104 to move downward and absorb the label. At the same time, the swing frame 109 is rotated through the connecting column II 111, causing the pressure roller 105 to swing upward to avoid the path. Then, the piston rod of cylinder XIII 106 extends, driving cylinder XIV 107 to move above the material tray 9. The piston rod of cylinder XIV 107 extends again, affixing the label to the material tray 9. Then, the piston rod of cylinder XⅣ107 retracts, the suction cup 104 separates from the label, and at the same time drives the swing frame 109 to rotate in the opposite direction, so that the pressure roller 105 presses against the label surface. Finally, the piston rod of cylinder XⅢ106 retracts, and the pressure roller 105 rolls on the material tray 9 to press the label firmly and prevent it from falling off.

[0051] After labeling is completed, the piston rod of the drive cylinder of the lifting platform 8 retracts, the scissor-type bracket folds, and the carrying platform descends to be flush with the table surface of the unloading conveyor 4. The material tray 9 is transferred to the unloading conveyor 4. The electric roller of the unloading conveyor 4 starts, conveying the material tray 9, which has completed all processes, to the lifting platform 8 at the other end. The lifting platform 8 adjusts the material tray 9 to a height that is convenient for subsequent processing through lifting and lowering actions. The entire production line completes one work cycle.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A labeling production line for reels wrapped with terminal tape, characterized in that, include: Feeding conveyor (1); The unloading conveyor (4) is arranged parallel to one side of the feeding conveyor (1); The frame is located at one end of the feeding conveyor (1); The feeding mechanism (2) is located on the frame and is used to convey the stacked trays (9) one by one; A steering mechanism (3) is located on one side of the feeding mechanism (2) and is used to adjust the posture of the material tray (9); The film application station (5) is located at one end of the unloading conveyor (4); The film-applying mechanism (6) is located on both sides of the film-applying station (5) and is used to apply the release film to the material tray (9); The unloading mechanism (7) is located on the unloading conveyor (4); Lifting platforms (8) are located at both ends of the unloading conveyor (4), with one of the lifting platforms (8) located below the unloading mechanism (7) for receiving the material tray (9) from the unloading mechanism (7). The labeling mechanism (10) is located on the unloading conveyor (4) and on the other side of the unloading mechanism (7), and is used to affix labels to the trays (9) on the lifting platform (8); The material tray (9) enters the film-applying station (5) from the feeding conveyor (1) via the feeding mechanism (2) and the turning mechanism (3). After the film-applying mechanism (6) applies the release film, the unloading mechanism (7) moves the material tray (9) to the lifting platform (8). The labeling mechanism (10) applies the label and unloads the material through the unloading conveyor (4), thus realizing automated assembly line operation.

2. A labeling assembly line for reels wrapped with terminal tape according to claim 1, characterized in that, The feeding mechanism (2) includes: Multiple electric rollers I (24) are mounted on the frame, with clearance holes (25) between them; two limiting frames (27) are slidably mounted on the frame; two cylinders II (26) are fixedly mounted on the top of the frame, with their output ends connected to the limiting frames (27), for driving the limiting frames (27) to move to clamp the material tray (9); cylinder III (28) is fixedly mounted on the bottom of the frame, with its output end extending to the top of the frame and fixedly connected to a connecting plate I (291), for driving the material tray (9) to rise. The machine is equipped with: a set of guide rods I (29), which are fixedly connected to the connecting plate I (291) and slidably mounted on the frame; a positioning post I (292), which is fixedly mounted on the top of the connecting plate I (291) and used to insert into the through hole (91) of the material tray (9); a cylinder I (21), which is fixedly mounted on one side of the frame; a connecting base (22), which is fixedly mounted on the output end of the cylinder I (21); and two limiting rollers (23), which are fixedly mounted on the top of the connecting base (22) and used to limit the subsequent material tray (9). Among them, cylinder III (28) drives connecting plate I (291) to rise and push the material tray (9), cylinder II (26) controls the limit frame (27) to clamp, and cylinder III (28) retracts to make the bottom material tray (9) fall onto the electric roller I (24) for conveying.

3. A labeling assembly line for reels wound with terminal tape according to claim 1, characterized in that, The steering mechanism (3) includes: Multiple electric rollers II (34) are mounted on the frame; a mounting frame (32) is fixedly mounted on the top of the frame; a cylinder IV (35) is fixedly mounted inside the mounting frame (32); a limiting plate (33) is fixedly mounted on the slider of the cylinder IV (35) for adjusting the position of the material tray (9); a guide roller I (31) is fixedly mounted on one side of the frame for guiding the material tray (9) to turn. Among them, cylinder IV (35) drives the limiting plate (33) to move, ensuring that the material tray (9) enters the film application station (5) smoothly.

4. A labeling assembly line for reels wrapped with terminal tape according to claim 1, characterized in that, The film application station (5) includes: Multiple electric rollers III (51) are mounted on the frame; connecting frame I (52) is located between the multiple electric rollers III (51); a rotary cylinder (53) is fixedly mounted inside the frame; a connecting plate II (54) is fixedly mounted at the output end of the rotary cylinder (53); multiple connecting columns I (55) are fixedly connected to the connecting plate II (54) and the connecting plate III (56); multiple guide sleeves (57) are located on the top of the connecting plate III (56); multiple sliding rods (58) are slidably mounted in the guide sleeves (57), and a connecting plate IV (591) is fixedly connected to the top of the connecting plate IV (591), which can pass through the connecting frame I (52); cylinder V (59) is fixedly mounted inside the connecting plate III (56), and its output end is connected to the connecting plate IV (591); positioning column II (592) and two positioning blocks (593) are fixedly mounted on the top of the connecting plate IV (591); Among them, cylinder V (59) drives connecting plate IV (591) to rise, so that positioning column II (592) and positioning block (593) are inserted into material tray (9), and rotating cylinder (53) drives material tray (9) to rotate to adjust the film application position.

5. A labeling assembly line for reels wrapped with terminal tape according to claim 1, characterized in that, The film application mechanism (6) includes: A film reel (61) is rotatably mounted on the frame; a fixed frame (65) is fixedly mounted on the top of the frame; cylinder VI (66) is fixedly mounted on one side of the fixed frame (65); cylinder VII (67) is fixedly mounted on the output end of cylinder VI (66); a connecting frame II (68) is fixedly mounted on one side of cylinder VII (67); a clamping cylinder (69) is fixedly mounted on one side of the connecting frame II (68) for clamping the release film; a movable seat (6... 93), slidably disposed on the top of the frame; cylinder VIII (694), fixedly disposed on the frame, with a slider connected to the movable seat (693); cylinder IX (695), fixedly disposed on the top of the movable seat (693); mounting seat (696), slidably disposed on the top of the movable seat (693) via guide rod II (697); pressure plate (692), respectively fixedly disposed on one side of the mounting seat (696) and the movable seat (693); Among them, cylinder IX (695) drives the pressure plate body (692) to open and close, and cylinder VIII (694) drives the moving seat body (693) to move, so that the pressure plate body (692) presses the isolation film onto the upper and lower surfaces of the material tray (9).

6. A labeling assembly line for reels wound with terminal tape according to claim 5, characterized in that, Also includes: A rotating rod (62) is rotatably mounted on one side of the frame; a rubber block (63) is fixedly mounted on one end of the rotating rod (62) and abuts against the film reel (61); a tension spring (64) connects the rubber block (63) and the frame; Among them, the tension spring (64) prevents the rubber block (63) from rotating, and the rotating rod (62) can be pushed upward to replace the film reel (61).

7. A labeling assembly line for reels wound with terminal tape according to claim 5, characterized in that, Also includes: Cylinder X (698) is fixedly mounted on the top of the frame; cutter body (699) is fixedly mounted on the output end of cylinder X (698); limit seat (511) is fixedly mounted on the frame; sliding block (512) is slidably mounted inside the limit seat (511); spring is mounted inside the limit seat (511) with both ends abutting against the sliding block (512) and the bottom wall of the limit seat (511); Among them, cylinder X (698) drives the cutter body (699) to cut the isolation membrane, and clamping cylinder (69) clamps the cut isolation membrane.

8. A labeling assembly line for reels wrapped with terminal tape according to claim 1, characterized in that, The labeling mechanism (10) includes: Labeling reel (101), rotatably mounted on the unloading conveyor (4); take-up roller (102) and multiple guide rollers II (103), rotatably mounted on the unloading conveyor (4); guide plate, fixedly mounted on the unloading conveyor (4), used to separate the label base film and the label; cylinder XIII (106), fixedly mounted on the unloading conveyor (4); cylinder XIV (107), fixedly mounted at the output end of cylinder XIII (106); suction cup (104). Fixed at the bottom of the cylinder XIV (107); extension frame II (108) fixed on one side of the frame; swing frame (109) rotatably mounted on one side of the extension frame II (108); pressure roller (105) rotatably mounted on one end of the swing frame (109); U-shaped opening (110) opened at the other end of the swing frame (109); connecting column II (111) fixed at the output end of the cylinder XIV (107) and located inside the U-shaped opening (110); In this process, after the suction cup (104) adsorbs the label, the cylinder XIV (107) drives the pasting, and the swing frame (109) drives the pressure roller (105) to press the label to ensure it is secure.

9. A labeling assembly line for reels wound with terminal tape according to claim 1, characterized in that, The feeding mechanism (7) include: Connecting frame III (71) is fixedly mounted on the frame; cylinder XI (73) is fixedly mounted inside the connecting frame III (71); cylinder XII (74) is fixedly mounted on the slider of cylinder XI (73); connecting plate (75) is fixedly mounted on the output end of cylinder XII (74); base (72) is fixedly mounted on the bottom of the connecting plate (75); positioning column III (76) is fixedly mounted on the bottom of the base (72); extension frame I (77) is fixedly mounted on one side of the base (72); elastic strip (78) is fixedly mounted on the bottom of the extension frame I (77); Among them, cylinder XII (74) drives positioning column III (76) to insert into the through hole (91) of the material tray (9), elastic strip (78) abuts against the material tray (9) and deforms, cylinder XI (73) moves the material tray (9) to the lifting platform (8), elastic strip (78) resets and pushes the material tray (9) to disengage.

10. A method of using a labeling production line for reels wrapped with terminal tape, applied to the labeling production line for reels wrapped with terminal tape as described in any one of claims 1-9, characterized in that, Includes the following steps: S1. Place the stacked material trays (9) on the connecting plate I (291) of the feeding mechanism (2), and insert the positioning pin I (292) into the through hole (91). S2, start cylinder III (28) to raise the material tray (9), cylinder II (26) drive the limit frame (27) to clamp the upper reel, cylinder III (28) retracts so that the bottom material tray (9) falls onto the electric roller I (24) and is transported to the steering mechanism (3); S3, the cylinder IV (35) of the steering mechanism (3) drives the limiting plate (33) to adjust the position of the material tray (9), and the guide roller I (31) guides it into the film application station (5). S4. The cylinder V (59) of the film application station (5) drives the connecting plate IV (591) to rise, the positioning column II (592) and the positioning block (593) are inserted into the material tray (9), and the rotary cylinder (53) rotates to adjust the film application position. S5. The clamping cylinder (69) of the film applicator (6) clamps the release film, and the cylinders VIII (694) and IX (695) drive the pressure plate (692) to press the release film onto the surface of the tray (9). S6. The cylinder XII (74) of the feeding mechanism (7) drives the positioning column III (76) to insert into the material tray (9), the cylinder XI (73) moves the material tray (9) to the lifting platform (8), and the elastic bar (78) resets to disengage the material tray (9); S7, the lifting platform (8) adjusts the height, the suction cup (104) of the labeling mechanism (10) adsorbs the label, the cylinder XIV (107) and cylinder XIII (106) drive the pasting, and the swing frame (109) drives the pressure roller (105) to press the label; S8. After labeling, the lifting platform (8) descends, and the unloading conveyor (4) conveys the material tray (9) to unload.

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