Automatic film wrapping device for glass fiber yarn bobbin

Abstract

An automatic film wrapping device for glass fiber yarn cans comprises a frame, which is characterized in that the frame is provided with a rotating table, a wrapping mechanism for clamping and wrapping plastic film on the surface of the glass fiber yarn can, a pressing and cutting film mechanism for tensioning the plastic film and performing hot cutting, and a film clamping mechanism for clamping and retracting the plastic film at the bottom of the glass fiber yarn can. The plastic film is introduced and supported through a film separating roller, then the film wrapping is completed through the wrapping mechanism, then the plastic film is cut off through the pressing and cutting film mechanism, and finally the excess plastic film at the bottom of the glass fiber yarn can is clamped and retracted through the film clamping mechanism. The application improves the packaging quality and efficiency of the surface of the glass fiber yarn can, and realizes the film wrapping of the side and lower end surface of the glass fiber yarn can, thereby meeting the requirement of leaving the upper end surface for conveying and use.

Description

Technical Field

[0001] This invention relates to the field of glass fiber yarn tube packaging equipment, and more particularly to an automatic glass fiber yarn tube wrapping device. Background Technology

[0002] Fiberglass yarn tubes are made by winding together numerous individual fibers with a diameter of <24µm, drawn from molten glass. Because these fine fiberglass filaments are highly susceptible to breakage due to friction during packaging and transportation, which can affect product quality and usability, a protective film is applied to the surface of the manufactured fiberglass yarn tubes.

[0003] The packaging process for fiberglass yarn spools generally includes steps such as feeding, wrapping, bagging, weighing, unloading, and arranging. In the wrapping stage, traditional fiberglass yarn spool wrapping equipment mostly transports the spools horizontally to the wrapping station. During this horizontal wrapping process, the glass fiber filaments on the surface of the spool rub against the conveyor belt and rollers, which can cause the filaments on the spool surface to break or become contaminated. Some fiberglass yarn spool wrapping equipment uses a vertical wrapping method, but it is too bulky and cannot meet the needs of small and medium-sized enterprises and existing production lines. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing fiberglass yarn tube coating equipment, which cannot meet the needs of small and medium-sized enterprises (SMEs) and the upgrading of existing production lines. Currently, fiberglass yarn tube coating for SMEs still relies on manual labor, resulting in low production efficiency, inconsistent coating quality, and difficulties in labor acquisition and high costs. This invention designs an automatic fiberglass yarn tube coating device that can automate the coating process.

[0005] The technical solution adopted in this invention is: 1. An automatic wrapping device for glass fiber yarn tubes, characterized in that: it includes a frame (11), a rotating table (2) is provided on the frame (11), a wrapping mechanism for clamping and wrapping plastic film around glass fiber yarn tube (1), a pressing and cutting mechanism for tensioning plastic film and performing hot cutting, and a clamping mechanism for clamping and retracting the plastic film at the bottom of glass fiber yarn tube (1);

[0006] The rotating platform (2) is located on the upper left side of the frame (11). The rotating platform (2) has a circular structure, and a top film plate (24) is provided in the central hollow position of the circular structure. The top film plate (24) is driven by a top film cylinder (25). The telescopic end of the top film cylinder (25) is connected to the bottom of the top film plate (24), and the fixed end of the top film cylinder (25) is connected to the rotating central shaft (26). A large helical gear (28) is installed on the rotating central shaft (26), and the large helical gear (28) meshes with a small helical gear (32). The small helical gear (32) is installed on the output shaft of the motor (31); the motor (31) drives the rotating shaft (26) to rotate through the gear transmission. The lower end of the rotating shaft (26) is equipped with a synchronous pulley (29) and an electric slip ring (30). Through the synchronous pulley and the synchronous belt (36), the transmission shaft (7) is driven to rotate. The upper end of the transmission shaft (7) and the upper gripper pneumatic gripper rotating arm (3) are each equipped with a synchronous pulley. Through the synchronous belt (35), the upper gripper pneumatic gripper rotating arm (3) and the upper gripper pneumatic gripper (4) are driven to rotate.

[0007] A lower gripper pneumatic gripper rotating arm (8) is provided below the rotating table (2). The lower gripper pneumatic gripper rotating arm (8) is flat. A round hole is provided on the lower gripper pneumatic gripper rotating arm (8). The rotating central shaft (26) passes through the round hole of the lower gripper pneumatic gripper rotating arm (8). The rotating central shaft and the rotating arm are connected by a tightening sleeve (33). The lower gripper pneumatic gripper rotating arm (8) is connected to the rotating table (2) by multiple connecting columns (34). The rotating arm (8) drives the rotating table to rotate. A lower gripper pneumatic gripper (27) is provided at one end of the lower gripper pneumatic gripper rotating arm (8). The rotating central shaft (26) is connected to the lower gripper pneumatic gripper rotating arm (8) by a tightening sleeve (33). The rotating arm drives the lower gripper pneumatic gripper rotating arm (8) to rotate so as to wrap the plastic film around the glass fiber yarn tube (1).

[0008] The wrapping mechanism is located on the right side of the frame (11). The wrapping mechanism includes a film wrapping seat (10). The film wrapping seat (10) includes two horizontal mounting plates arranged vertically, a vertical rod on the right side of the horizontal mounting plate, and a crossbeam at the top of the vertical rod extending horizontally to the left. A plastic film roll (6) is arranged between the horizontal mounting plates of the film wrapping seat (10). A film separating roller (5) is provided on one side of the plastic film roll (6). The plastic film roll (6) is led out by the film separating roller (5) and kept vertical. An upper gripper pneumatic gripper rotating arm (3) is provided at the left end of the crossbeam. An upper gripper pneumatic gripper (4) is provided at one end of the upper gripper pneumatic gripper rotating arm (3). The upper gripper pneumatic gripper (4) and the lower gripper pneumatic gripper (27) jointly grasp the plastic film and rotate synchronously to wrap the plastic film around the glass fiber yarn tube (1).

[0009] The film pressing and cutting mechanism includes a film pressing assembly (12) disposed on one side of the glass fiber yarn tube (1) and a heat cutting assembly disposed on the other side of the glass fiber yarn tube (1); the film pressing assembly includes a film pressing roller bracket and a substrate, the film pressing roller bracket is equipped with a film pressing roller (13), and the film pressing roller (13) is provided with an air nozzle and a guide plate behind it; the film pressing roller bracket is driven by a cylinder, the cylinder is fixed on a vertically placed substrate, and the substrate is provided with two linear slide rail sliders; the cylinder drives the film pressing roller bracket to push the film pressing roller (13) forward to tension the plastic film, and the guide plate guides the gas sprayed from the air nozzle to one side of the plastic film to prevent the plastic film from sticking to the film pressing roller (13);

[0010] The hot cutting assembly includes a hot blade swing arm (15) and a bracket. One end of the hot blade swing arm (15) is equipped with a blade head mechanism (14), and the other end of the hot blade swing arm (15) is driven by a swing arm cylinder (16). The swing arm cylinder (16) is mounted on the bracket, and the bracket is mounted on the right side of the vertical rod. The end near the swing arm cylinder (16) is connected to the bracket to form a lever mechanism. The blade head mechanism (14) includes a hot blade push base plate. The hot blade push base plate is provided with blade guard plates on both sides. A dual-axis cylinder is provided on the hot blade push base plate. The dual-axis cylinder is connected to the hot blade head and can push the hot blade head out of the blade guard plate.

[0011] The film clamping mechanism is divided into a left push plate (18) assembly and a right push plate (20) assembly. The left push plate assembly includes a base plate (17) of the left push plate and a left push plate (18) of the film clamping mechanism. The left push plate of the film clamping mechanism is driven by a cylinder on the base plate of the left push plate. The right push plate assembly includes a base plate of the right push plate, a right push plate (20) of the film clamping mechanism, and a pair of side push plates (19) of the film clamping mechanism. The base plate of the right push plate is provided with a cylinder (22) to drive the right push plate of the film clamping mechanism and a cylinder (21) to drive the side push plates. When clamping the film, the fiberglass yarn tube is lifted, and the left and right push plates and the side push plates of the film clamping mechanism are pushed inward to complete the film clamping action.

[0012] The plastic film wound on the plastic film roll (6) is led out and supported by the film separating roller (5), and then the plastic film is wrapped by the wrapping mechanism. The plastic film is then cut by the film cutting mechanism, and finally the plastic film that extends beyond the bottom plane of the glass fiber yarn tube is tightened and pulled inward by the film clamping mechanism. After the plastic film is tightened below the glass fiber yarn tube (1), the top film plate (24) is driven by the top film cylinder (25), and the top film plate (24) pushes upward, pushing the protruding plastic film into the inner core of the glass fiber yarn tube (1).

[0013] Furthermore, the top crossbeam is equipped with a three-claw cylinder at its end, which drives the claw to expand outward, using the inner wall of the glass fiber yarn tube (1) as the point of force, so as to grab the glass fiber yarn tube and lift it upward.

[0014] Furthermore, a linear slide rail is provided on one side of the lower gripper pneumatic claw (27), which can adjust the up and down position of the lower gripper pneumatic claw to better grip and stretch the plastic film.

[0015] Furthermore, the upper gripper pneumatic gripper rotating arm (3) and the lower gripper pneumatic gripper rotating arm (8) are respectively connected to the transmission shaft (7) via the upper synchronous belt (35) and the lower synchronous belt (36) to realize the synchronous rotation of the upper and lower gripper pneumatic grippers; the upper synchronous belt (35) and the lower synchronous belt (36) are respectively provided with adjustable tension wheels in the transmission.

[0016] The beneficial effects of this invention are as follows: This invention addresses the glass fiber yarn tube wrapping process by using two rotating arms and a clamping gripper to wrap a plastic film around the surface of an upright glass fiber yarn tube. The wrapping is completed by the cooperation of a pressure roller and a hot cutting knife. The lower end face of the glass fiber yarn tube is finished by a push plate of a specific shape and a top film plate. This improves the surface packaging quality and efficiency of the glass fiber yarn tube, and achieves wrapping of the sides and lower end face of the glass fiber yarn tube, while leaving the upper end face exposed for transport and use. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the present invention.

[0018] Figure 2 This is a schematic diagram of the wrapping mechanism of the present invention.

[0019] Figure 3 This is a schematic diagram of the film cutting mechanism of the present invention.

[0020] Figure 4 This is a schematic diagram of the membrane mechanism structure of the present invention.

[0021] Figure 5 This is a schematic diagram of the rotating platform structure of the present invention.

[0022] Figure 6 This is a schematic diagram of the film pressing and hot knife cutting process of the present invention.

[0023] Figure 7 This is a schematic diagram of the winding mechanism of the present invention.

[0024] Explanation of reference numerals in the attached drawings: 1. Fiberglass yarn spool; 2. Rotating table; 3. Upper gripper pneumatic gripper rotating arm; 4. Upper gripper pneumatic gripper; 5. Film separating roller; 6. Plastic film roll; 7. Drive shaft; 8. Lower gripper pneumatic gripper rotating arm; 9. Lower gripper pneumatic gripper; 10. Film winding seat; 11. Frame; 12. Film pressing assembly; 13. Film pressing roller; 14. Cutting head mechanism; 15. Hot knife swing arm; 16. Swing arm cylinder; 17. Push plate base plate; 18. 19. Left push plate, 20. Side push plate, 21. Right push plate, 22. Side push plate cylinder, 23. Right push plate cylinder, 24. Nylon tabletop, 25. Top film plate, 26. Top film cylinder, 27. Rotating central shaft, 28. Lower gripper pneumatic claw, 29. Large helical gear, 30. Synchronous belt pulley, 31. Electric slip ring, 32. Motor, 33. Small helical gear, 34. Expansion sleeve, 35. Connecting column, 36. Upper synchronous belt, 37. Lower synchronous belt. Detailed Implementation

[0025] The technical solution of this invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this invention, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without inventive effort are within the scope of protection of this invention.

[0026] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are used only for the convenience of describing the invention and simplifying the description. They 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, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0028] Referring to the accompanying drawings, an automatic wrapping device for fiberglass yarn tubes includes a frame 11, a rotating table 2, a wrapping mechanism for clamping and wrapping plastic film onto fiberglass yarn tubes 1, a film-cutting mechanism for tensioning and thermally cutting the plastic film, and a film-hooking mechanism for tightening and retracting the plastic film at the bottom of the fiberglass yarn tube 1.

[0029] The rotating table 2 is located on the upper left side of the frame 11. The rotating table 2 has a circular structure, and a top film plate 24 is provided in the central hollow position of the circular structure. The top film plate 24 is driven by a top film cylinder 25. The telescopic end of the top film cylinder 25 is connected to the bottom of the top film plate 24, and the fixed end of the top film cylinder 25 is connected to the rotating shaft 26. A large helical gear 28 is installed on the rotating shaft 26. The large helical gear 28 meshes with a small helical gear 32. The small helical gear 32 is installed on the output shaft of the motor 31. The motor 31 drives the rotating shaft 26 to rotate through gear transmission. A synchronous pulley 29 and an electric slip ring 30 are installed at the lower end of the rotating shaft 26. The synchronous pulley and the synchronous belt 36 drive the transmission shaft 7 to rotate. A synchronous pulley is installed at the upper end of the transmission shaft 7 and on the upper gripper pneumatic arm 3. The synchronous belt 35 drives the upper gripper pneumatic arm 3 and the upper gripper pneumatic gripper 4 to rotate.

[0030] Below the rotating table 2 is a lower gripper pneumatic gripper rotating arm 8, which is flat. The lower gripper pneumatic gripper rotating arm 8 has a round hole, and the rotating central shaft 26 passes through the round hole of the lower gripper pneumatic gripper rotating arm 8. The rotating central shaft and the rotating arm are connected by a tightening sleeve 33. The lower gripper pneumatic gripper rotating arm 8 is connected to the rotating table 2 by multiple connecting columns 34. The rotating arm 8 drives the rotating table to rotate. One end of the lower gripper pneumatic gripper rotating arm 8 is provided with a lower gripper pneumatic gripper 27. The rotating central shaft 26 is connected to the lower gripper pneumatic gripper rotating arm 8 by the tightening sleeve 33, which drives the lower gripper pneumatic gripper rotating arm 8 to rotate so as to wrap the plastic film around the glass fiber yarn tube 1.

[0031] The wrapping mechanism is located on the right side of the frame 11. The wrapping mechanism includes a film wrapping seat 10, which includes two horizontal mounting plates arranged vertically, a vertical rod on the right side of the horizontal mounting plates, and a crossbeam at the top of the vertical rod extending horizontally to the left. A plastic film roll 6 is arranged between the horizontal mounting plates of the film wrapping seat 10. A film separating roller 5 is provided on one side of the plastic film roll 6. The plastic film roll 6 is led out by the film separating roller 5 and kept in a vertical state. An upper gripper pneumatic gripper rotating arm 3 is provided at the left end of the crossbeam, and an upper gripper pneumatic gripper 4 is provided at one end of the upper gripper pneumatic gripper rotating arm 3. The upper gripper pneumatic gripper 4 and the lower gripper pneumatic gripper 27 jointly grasp the plastic film and rotate synchronously to wrap the plastic film around the glass fiber yarn tube 1.

[0032] The film pressing and cutting mechanism includes a film pressing assembly 12 disposed on one side of the glass fiber yarn tube 1 and a heat cutting assembly disposed on the other side of the glass fiber yarn tube 1; the film pressing assembly includes a film pressing roller bracket and a substrate, a film pressing roller 13 is mounted on the film pressing roller bracket, and an air nozzle and a guide plate are provided behind the film pressing roller 13; the film pressing roller bracket is driven by a cylinder, which is fixed on a vertically placed substrate, and the substrate is provided with two linear slide rail sliders; the cylinder drives the film pressing roller bracket to push the film pressing roller 13 forward to tension the plastic film, and the guide plate guides the gas ejected from the air nozzle to one side of the plastic film to prevent the plastic film from sticking to the film pressing roller 13;

[0033] The hot-cutting assembly includes a hot-blade swing arm 15 and a bracket. One end of the hot-blade swing arm 15 is equipped with a blade head mechanism 14, and the other end of the hot-blade swing arm 15 is driven by a swing arm cylinder 16. The swing arm cylinder 16 is mounted on the bracket, which is mounted on the right side of the vertical rod. The end of the bracket near the swing arm cylinder 16 is connected to the bracket to form a lever mechanism. The blade head mechanism 14 includes a hot-blade pushing base plate. The hot-blade pushing base plate is provided with blade guard plates on both sides. A dual-axis cylinder is provided on the hot-blade pushing base plate. The dual-axis cylinder is connected to the hot-blade blade head and can push the hot-blade blade head out of the blade guard plates.

[0034] The film clamping mechanism is divided into a left film clamping push plate 18 assembly and a right film clamping push plate 20 assembly. The left film clamping push plate assembly includes a left push plate base plate 17 and a left film clamping push plate 18, which is driven by a cylinder on the left push plate base plate. The right film clamping push plate assembly includes a right push plate base plate, a right film clamping push plate 20, and a pair of side film clamping push plates 19. The right push plate base plate is provided with a cylinder 22 to drive the right film clamping push plate and a cylinder 21 to drive the side push plates. When clamping the film, the fiberglass yarn tube is lifted, and the left and right film clamping push plates and the side push plates are pushed inward to complete the film clamping action.

[0035] The plastic film wound on the plastic film roll 6 is led out and supported by the film separating roller 5, and then the plastic film is wrapped by the wrapping mechanism. The plastic film is then cut by the film cutting mechanism, and finally the plastic film that extends beyond the bottom plane of the glass fiber yarn tube is tightened and pulled in by the film clamping mechanism. After the plastic film is tightened below the glass fiber yarn tube 1, the top film plate 24 is driven by the top film cylinder 25 and pushes upward, pushing the protruding plastic film into the inner core of the glass fiber yarn tube 1.

[0036] Specifically, such as Figure 1 , 2As shown in Figures 5 and 7, when the automatic glass fiber yarn tube wrapping machine is working, the plastic film roll 6 is first fixed on the film winding seat 10. The plastic film is led out from between the two film separating rollers 5 on one side, making it convenient for the gripper claws 4 and 9 to grasp it. When the glass fiber yarn tube 1 is placed on the nylon table 23, the gripper claw rotating arm 8 is driven by the motor 31 below the nylon table 23 to rotate. Through the gears 28 and 32, the synchronous belt 29, and the transmission shaft 7, the upper and lower gripper claw rotating arms 3 and 8 and the rotating table 2 rotate around the central axis of the rotating table. The gripper claws 4 and 9 make a circular motion around the glass fiber yarn tube 1. When they move to the vicinity of the film separating roller 5, the gripper claws 4 and 9 can grasp the plastic film led out from the film separating roller 5. Then, they make a counterclockwise circular motion to wrap the plastic film around the outer surface of the glass fiber yarn tube 1.

[0037] Film cutting mechanism such as Figure 3 As shown, the film cutting process is as follows: Figure 6 As shown, the pressing roller 13 is pushed onto the surface of the glass fiber yarn tube 1 to tension the plastic film, so that the plastic film is tightly attached to the surface of the glass fiber yarn tube 1. At the same time, there are also corresponding elastic elements on the pressing roller shaft to make appropriate fine adjustments to the tension of the pressing film. The cutter mechanism 14 approaches the pressing roller 13 after the hot knife swing arm 15 moves through a certain arc, and extends the hot knife near the pressing roller 13 to melt the plastic film.

[0038] The hot knife swing arm 15 is fixed on the frame at one end near the cylinder and is driven by the cylinder 16. When the cylinder guide rod is pushed out, it drives the other end of the hot knife swing arm 15 to make an arc motion towards the glass fiber yarn tube 1 through the lever principle, so that the knife head mechanism 14 is approximately tangential to the outer surface of the glass fiber yarn tube 1.

[0039] During the film cutting process of the fiberglass yarn tube 1, the plastic film is required to be tightly adhered to the side of the fiberglass yarn tube. Since the distance between the gripper claws 4 and 9 and the central axis of the fiberglass yarn tube is slightly greater than the radius of the fiberglass yarn tube 1, a small gap will appear at the cutting point after the film winding action is completed. This gap prevents the plastic film from tightly adhering to the side surface of the fiberglass yarn tube, causing the end of the plastic film to detach, which in turn affects subsequent processes. To avoid this phenomenon, a film pressing mechanism 12 is set on the other side of the hot knife to minimize this gap, ensuring a tight fit between the plastic film and the side of the fiberglass yarn tube 1, preventing the plastic film from detaching after hot cutting. Simultaneously, since one end of the plastic film is only gripped by the upper and lower gripper claws 4 and 9, there is no good point of force in the middle of the plastic film during the hot cutting process, leading to unstable hot cutting. By adding a film pressing roller 13, a better point of force can be provided in the middle of the plastic film, ensuring uniform hot cutting and effectively preventing the plastic film from sticking together during hot cutting.

[0040] like Figure 4As shown, the film-binding mechanism has four cylinders: a left push plate driving cylinder, a right push plate driving cylinder 22, and two side push plate driving cylinders 21. These four cylinders drive the left push plate 18, right push plate 20, and side push plates 19 to gather the plastic film extending beyond the bottom plane inwards from four directions at the lower end of the glass fiber yarn tube 1. After the plastic film is gathered, the yarn tube returns to the nylon platform 23, where the top film plate 24 is pushed upwards by the cylinder 25, slightly pressing the gathered plastic film into the inner core of the glass fiber yarn tube 1, completing the film-wrapping process at the lower end of the glass fiber yarn tube.

[0041] The embodiments described in this specification are merely examples of implementations of the inventive concept. The scope of protection of this invention should not be considered as limited to the specific forms stated in the embodiments. The scope of protection of this invention also extends to equivalent technical means that can be conceived by those skilled in the art based on the inventive concept.

Claims

1. An automatic wrapping device for glass fiber yarn spools, characterized in that: Includes a frame (11), on which a rotating table (2) is provided, a wrapping mechanism for clamping and wrapping the plastic film around the glass fiber yarn tube (1), a pressing and cutting mechanism for tensioning the plastic film and performing thermal cutting, and a clamping mechanism for clamping and retracting the plastic film at the bottom of the glass fiber yarn tube (1). The rotating platform (2) is located on the upper left side of the frame (11). The rotating platform (2) has a circular structure, and a top film plate (24) is provided in the central hollow position of the circular structure. The top film plate (24) is driven by a top film cylinder (25). The telescopic end of the top film cylinder (25) is connected to the bottom of the top film plate (24), and the fixed end of the top film cylinder (25) is connected to the rotating central shaft (26). A large helical gear (28) is installed on the rotating central shaft (26), and the large helical gear (28) meshes with a small helical gear (32). The small helical gear (32) is installed on the output shaft of the motor (31); the motor (31) drives the rotating shaft (26) to rotate through the gear transmission. The lower end of the rotating shaft (26) is equipped with a synchronous pulley (29) and an electric slip ring (30). Through the synchronous pulley and the synchronous belt (36), the transmission shaft (7) is driven to rotate. The upper end of the transmission shaft (7) and the upper gripper pneumatic gripper rotating arm (3) are each equipped with a synchronous pulley. Through the synchronous belt (35), the upper gripper pneumatic gripper rotating arm (3) and the upper gripper pneumatic gripper (4) are driven to rotate. A lower gripper pneumatic gripper rotating arm (8) is provided below the rotating table (2). The lower gripper pneumatic gripper rotating arm (8) is flat. A round hole is provided on the lower gripper pneumatic gripper rotating arm (8). The rotating central shaft (26) passes through the round hole of the lower gripper pneumatic gripper rotating arm (8). The rotating central shaft and the rotating arm are connected by a tightening sleeve (33). The lower gripper pneumatic gripper rotating arm (8) is connected to the rotating table (2) by multiple connecting columns (34). The rotating arm (8) drives the rotating table to rotate. A lower gripper pneumatic gripper (27) is provided at one end of the lower gripper pneumatic gripper rotating arm (8). The rotating central shaft (26) is connected to the lower gripper pneumatic gripper rotating arm (8) by a tightening sleeve (33). The rotating arm drives the lower gripper pneumatic gripper rotating arm (8) to rotate so as to wrap the plastic film around the glass fiber yarn tube (1). The wrapping mechanism is located on the right side of the frame (11). The wrapping mechanism includes a film wrapping seat (10). The film wrapping seat (10) includes two horizontal mounting plates arranged vertically, a vertical rod on the right side of the horizontal mounting plate, and a crossbeam at the top of the vertical rod extending horizontally to the left. A plastic film roll (6) is arranged between the horizontal mounting plates of the film wrapping seat (10). A film separating roller (5) is provided on one side of the plastic film roll (6). The plastic film roll (6) is led out by the film separating roller (5) and kept vertical. An upper gripper pneumatic gripper rotating arm (3) is provided at the left end of the crossbeam. An upper gripper pneumatic gripper (4) is provided at one end of the upper gripper pneumatic gripper rotating arm (3). The upper gripper pneumatic gripper (4) and the lower gripper pneumatic gripper (27) jointly grasp the plastic film and rotate synchronously to wrap the plastic film around the glass fiber yarn tube (1). The film pressing and cutting mechanism includes a film pressing assembly (12) disposed on one side of the glass fiber yarn tube (1) and a heat cutting assembly disposed on the other side of the glass fiber yarn tube (1); the film pressing assembly includes a film pressing roller bracket and a substrate, the film pressing roller bracket is equipped with a film pressing roller (13), and the film pressing roller (13) is provided with an air nozzle and a guide plate behind it; the film pressing roller bracket is driven by a cylinder, the cylinder is fixed on a vertically placed substrate, and the substrate is provided with two linear slide rail sliders; the cylinder drives the film pressing roller bracket to push the film pressing roller (13) forward to tension the plastic film, and the guide plate guides the gas sprayed from the air nozzle to one side of the plastic film to prevent the plastic film from sticking to the film pressing roller (13); The hot cutting assembly includes a hot blade swing arm (15) and a bracket. One end of the hot blade swing arm (15) is equipped with a blade head mechanism (14), and the other end of the hot blade swing arm (15) is driven by a swing arm cylinder (16). The swing arm cylinder (16) is mounted on the bracket, and the bracket is mounted on the right side of the vertical rod. The end near the swing arm cylinder (16) is connected to the bracket to form a lever mechanism. The blade head mechanism (14) includes a hot blade push base plate. The hot blade push base plate is provided with blade guard plates on both sides. A dual-axis cylinder is provided on the hot blade push base plate. The dual-axis cylinder is connected to the hot blade head and can push the hot blade head out of the blade guard plate. The film clamping mechanism is divided into a left push plate (18) assembly and a right push plate (20) assembly. The left push plate assembly includes a base plate (17) of the left push plate and a left push plate (18) of the film clamping mechanism. The left push plate of the film clamping mechanism is driven by a cylinder on the base plate of the left push plate. The right push plate assembly includes a base plate of the right push plate, a right push plate (20) of the film clamping mechanism, and a pair of side push plates (19) of the film clamping mechanism. The base plate of the right push plate is provided with a cylinder (22) to drive the right push plate of the film clamping mechanism and a cylinder (21) to drive the side push plates. When clamping the film, the fiberglass yarn tube is lifted, and the left and right push plates and the side push plates of the film clamping mechanism are pushed inward to complete the film clamping action. The plastic film wound on the plastic film roll (6) is led out and supported by the film separating roller (5), and then the plastic film is wrapped by the wrapping mechanism. The plastic film is then cut by the film cutting mechanism, and finally the plastic film that extends beyond the bottom plane of the glass fiber yarn tube is tightened and pulled inward by the film clamping mechanism. After the plastic film is tightened below the glass fiber yarn tube (1), the top film plate (24) is driven by the top film cylinder (25), and the top film plate (24) pushes upward, pushing the protruding plastic film into the inner core of the glass fiber yarn tube (1).

2. The automatic wrapping device for glass fiber yarn spools as described in claim 1, characterized in that: The top crossbeam is equipped with a three-claw cylinder that drives the claws to expand outward, using the inner wall of the glass fiber yarn tube (1) as the point of force, to grab the glass fiber yarn tube and lift it upward.

3. The automatic wrapping device for glass fiber yarn spools as described in claim 1, characterized in that: The lower gripper (27) is provided with a linear slide rail on one side, which can adjust the up and down position of the lower gripper to better grip and stretch the plastic film.

4. The automatic wrapping device for glass fiber yarn spools as described in claim 1, characterized in that: The upper gripper pneumatic gripper rotating arm (3) and the lower gripper pneumatic gripper rotating arm (8) are respectively connected to the transmission shaft (7) via the upper synchronous belt (35) and the lower synchronous belt (36) to achieve synchronous rotation of the upper and lower gripper pneumatic grippers; the upper synchronous belt (35) and the lower synchronous belt (36) are respectively equipped with adjustable tension wheels.

Images