Glass fiber roll changing and gluing equipment

Abstract

The utility model discloses glass fiber roll changing and cementing equipment, and belongs to the field of glass fiber sheet processing. Comprising two groups of fixing seats, first bearing seats are mounted on the fixing seats, a fixing rod is mounted between the first bearing seats, two groups of mounting plates are mounted on the fixing rod, and an A roll of glass fibers and a B roll of glass fibers are arranged between the two groups of mounting plates; the glue extruding assembly comprises a glue barrel mounted at the upper end of the fixing rod and a screw rod suitable for extruding resin glue; the curing assembly comprises a UV lamp which is mounted on the glue extruding assembly and is used for irradiating the splicing part of the glass fiber roll A and the glass fiber roll B; the cutting-off assembly comprises a pressing roller and a cutting part which are installed on one side of the fixing base. According to the glass fiber roll changing and gluing equipment, resin glue is supplemented in gaps of the adhesive tape through the glue extruding assembly, the impregnated sheet is compacted through the pressing assembly, curing is accelerated through the UV lamp, the resin glue and the glass fiber sheet are deeply bonded, the connection strength is enhanced, the influences of external force such as traction and stretching and tension fluctuation are effectively resisted, and the fracture risk of the splicing position of the A roll and the B roll is reduced.

Description

A fiberglass roll changing and bonding device Technical Field

[0001] This utility model relates to the field of glass fiber sheet processing technology, and in particular to a glass fiber roll changing and bonding equipment. Background Technology

[0002] Fiberglass sheets, also known as glass fiber reinforced plastic sheets, are sheet-like materials made by composite processes using glass fiber and its products (such as glass cloth and mat) as reinforcement materials and synthetic resins (such as unsaturated polyester resin and epoxy resin) as the matrix. They combine the high strength and high modulus of glass fiber with the good formability and corrosion resistance of resins, exhibiting characteristics such as lightweight yet high strength, excellent insulation, superior weather resistance, and diverse molding processes. In the production and processing of fiberglass sheets, roll-changing operations are a crucial step in ensuring continuous production.

[0003] Currently, the common practice for switching between A and B rolls of fiberglass sheet is to pre-apply equally spaced adhesive tape to the surface of the B roll of fiberglass sheet. The specific procedure is as follows: when the A roll of fiberglass sheet is almost unwound, the end of the A roll is pressed onto the adhesive tape on the surface of the B roll using manual labor or a simple mechanical device. The adhesive properties of the tape achieve physical splicing of the A and B rolls, maintaining production continuity. However, due to the unique physical properties of fiberglass sheet, its surface has a fuzzy structure. While this structure imparts specific mechanical properties to the fiberglass sheet, it also significantly reduces the actual effective contact area between the tape and the fiberglass sheet surface. Furthermore, the fuzzy structure is prone to stress concentration under stress.

[0004] Therefore, the traditional roll-changing method relying solely on adhesive tape has certain drawbacks in actual production. On one hand, the bonding force between the tape and the fiberglass sheet surface is limited, making it difficult to withstand dynamic external forces such as traction and tension on the production line, causing breakage at the A / B roll splice. On the other hand, as production speed increases, mechanical vibration and tension fluctuations further exacerbate stress changes at the splice, increasing the likelihood of breakage. Frequent A / B roll breakage not only causes production interruptions and material waste but also requires significant manpower for equipment restart and joint repair, impacting production efficiency and product qualification rates. Therefore, a fiberglass roll-changing adhesive splicing device needs to be designed.

[0005] It should be noted that the information disclosed in this background section is only for understanding the background technology of this application concept, and therefore may include information that does not constitute prior art. Summary of the Invention

[0006] This utility model provides a fiberglass roll-changing adhesive bonding device to solve the problem that the commonly used tape splicing method for changing A / B rolls of fiberglass sheets results in weak bonding force and easy breakage due to the surface structure characteristics of fiberglass sheets, which affects production efficiency and pass rate.

[0007] The present invention adopts the following technical solution: a fiberglass roll splicing device. It mainly includes two sets of fixed seats, each with a first bearing seat. A fixed rod is installed between the first bearing seats, and two sets of inclined mounting plates are installed on the fixed rod. A roll of fiberglass A and a roll of fiberglass B are disposed between the two sets of mounting plates. Multiple sets of adhesive tape are suitable for bonding to the fiberglass B roll. An extrusion assembly includes a glue cylinder mounted on the upper end of the fixed rod for storing resin glue, and a screw adapted to move linearly along the inside of the glue cylinder and a piston adapted to extrude the resin glue. A curing assembly includes a UV lamp mounted on the extrusion assembly for irradiating the splice joint of the fiberglass rolls A and B. A cutting assembly includes a pressure roller mounted on one side of the fixed seat for pressing the fiberglass roll B and a cutting section for cutting the fiberglass roll A. The pressure roller can squeeze the resin glue to impregnate the fiberglass rolls A and B.

[0008] Furthermore, both sets of mounting plates are vertically provided with support plates, and the extrusion assembly also includes right-angle brackets mounted on the support plates. A connecting plate is connected between the two sets of right-angle brackets. A slide rail is mounted on the connecting plate, and multiple sets of sliders are slidably mounted on the slide rail. The multiple sets of sliders are equally spaced and fixed to the slide rail by fasteners.

[0009] Each of the multiple sets of sliders is equipped with a glue supply unit. The glue supply unit includes a housing part installed on the slider. The housing part includes a bottom shell and a top shell. A connecting part is installed on the side of the bottom shell near the B roll of glass fiber. The connecting part is a cylindrical structure and has a through-hole. The inner wall of the connecting part is provided with a threaded groove. The glue tube is threadedly connected to the connecting part. The glue tube has a glue outlet.

[0010] Furthermore, the extrusion unit is mounted on the bottom shell. The extrusion unit includes a first gear connected to the upper surface of the bottom shell by a bearing. The lead screw is threaded to the center of the first gear. A support shaft is mounted on the bottom shell at one side of the first gear by a bearing. A second gear is mounted on the support shaft and meshes with the first gear. A turbine is mounted on the support shaft. A worm gear is mounted on the top shell through a bearing and meshes with the turbine.

[0011] Multiple sets of glue supply sections have worm gears connected to each other. A motor section is mounted on the right-angle frame. The motor section is connected to one set of the worm gears. The lead screw is made of stainless steel.

[0012] Furthermore, the curing assembly also includes a second support frame disposed on one side of the right-angle frame. Two sets of side rods are installed on the side of the second support frame, and a top frame is connected between the two sets of side rods. A moving unit is installed on the bottom surface of the top frame. The moving unit includes two sets of vertically arranged guide rails installed on the bottom surface of the top frame. Sliding blocks are slidably installed on the guide rails. Four sets of pulleys are installed inside the sliding blocks. The four sets of pulleys slide symmetrically on both sides of the guide rails.

[0013] A forward and reverse motor is installed on the sliding block. The output end of the forward and reverse motor passes through and extends into the interior of the sliding block. A third gear is installed on the output end of the forward and reverse motor. A first rack is fixedly installed on the side of the guide rail close to the third gear. The third gear meshes with the first rack.

[0014] A connecting part is connected between the two sets of sliding blocks. Two sets of fixing blocks are installed on the connecting part by fasteners. Side connecting blocks are installed on the two sets of fixing blocks. A rotating shaft is installed between the two sets of side connecting blocks. The UV lamp is movably connected to the rotating shaft through the connecting block.

[0015] Furthermore, a fourth cylinder is mounted on the side of a set of side rods, a second rack is mounted on the output end of the fourth cylinder, both ends of the rotating shaft pass through the side connecting block, a gear is mounted on one end of the side connecting block, the gear meshes with the second rack, and there is a certain gap between the UV lamp and the side connecting block.

[0016] Furthermore, the bottom surface of the UV lamp is provided with a protective cover, which limits the irradiation range of the UV lamp. The protective cover has through side slots on both sides, which allow the spliced ​​A roll and B roll of fiberglass to pass through. Rotatable limiting rollers are provided on both sides of the protective cover, with part of the limiting rollers protruding from the side slots.

[0017] Furthermore, the cutting assembly also includes a first support frame disposed on one side of the fixed seat. Two sets of second bearing seats are installed on the first support frame near the fixed seat. A support roller is movably connected between the two sets of second bearing seats. Two sets of connecting plates are installed on the support roller, and there is a certain gap between the two sets of connecting plates.

[0018] Two sets of mounting plates are movably mounted with a first cylinder at one end near the support roller. The output end of the first cylinder is connected to the side of the connecting plate. The pressure roller bearing is installed between one end of the two sets of connecting plates. Initially, the pressure roller and the B roll of glass fiber are kept at a certain distance.

[0019] A second cylinder is installed on the upper surface of the two sets of connecting plates. Annular sleeves are movably sleeved at both ends of the pressure roller. The annular sleeves have protrusions. The output end of the second cylinder is movably connected to the protrusions. An extension rod is installed on one side of the annular sleeve at the protrusion. The cutting part is installed between the two sets of extension rods.

[0020] Furthermore, a first guide roller is installed on the first support frame at the lower end of the support roller, and a second guide roller is also installed on the first support frame at the lower end of the first guide roller. Two sets of side seats are installed on the side of the first support frame away from the second bearing seat. The side seats have two sets of frames. Two sets of limiting rollers with a certain gap are rotatably arranged between the two sets of frames. A second guide roller is installed between the two sets of side seats.

[0021] Furthermore, the glue cartridge is connected to a liquid inlet, which is connected to a connector. The connector has a valve and is adapted to be connected to an external glue supply device to replenish the glue cartridge with resin glue.

[0022] Furthermore, a sealing unit is provided on the side of the right-angle frame. The sealing unit includes a third cylinder installed on the side of the right-angle frame. The telescopic end of the third cylinder extends through the right-angle frame. A long rod is installed on the telescopic end of the third cylinder. Flexible sealing plugs, matching the number of glue cartridges, are provided on the long rod. The sealing plugs are initially adapted to block the glue outlet of the glue cartridges. A through groove is provided on the long rod at one side of the sealing plug.

[0023] The above-mentioned technical solutions adopted in the embodiments of this utility model can achieve the following beneficial effects:

[0024] A fiberglass roll splicing device is provided, which enables the resin adhesive to be added to the gap of the tape through the extrusion component, the sheet to be compacted and impregnated by the pressing component, and then cured by the UV lamp of the curing component. This allows the resin adhesive to form a deep bond with the fiberglass sheet, which greatly enhances the connection strength, effectively resists the effects of external forces such as traction and tension, as well as mechanical vibration and tension fluctuations, and reduces the risk of breakage at the A / B roll splice. Attached Figure Description

[0025] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0026] In the attached diagram:

[0027] Figure 1 is an overall schematic diagram of a fiberglass roll-changing adhesive bonding device according to this application;

[0028] Figure 2 is a schematic diagram of the installation component structure in Figure 1;

[0029] Figure 3 is a partial structural schematic diagram of Figure 2;

[0030] Figure 4 is an enlarged view of point A in Figure 3;

[0031] Figure 5 is a schematic diagram of the extrusion assembly structure in Figure 2;

[0032] Figure 6 is a schematic diagram of the limiting roller structure in Figure 2;

[0033] Figure 7 is a schematic diagram of the clamping assembly structure in Figure 1;

[0034] Figure 8 is an enlarged view of section B in Figure 7;

[0035] Figure 9 is a schematic diagram of the curing component structure in Figure 7;

[0036] Figure 10 is an enlarged view of point C in Figure 9;

[0037] Figure label:

[0038] 1. Mounting components; 11. Fixing base; 12. First bearing housing; 13. Fixing rod; 14. Mounting plate; 15. Support plate; 16. First guide roller; 17. B roll of fiberglass; 18. A roll of fiberglass;

[0039] 2. Cutting assembly; 21. First support frame; 22. Second bearing seat; 23. Support roller; 24. Connecting plate; 25. First cylinder; 26. Pressure roller; 27. Second cylinder; 29. ​​Annular sleeve; 210. Protrusion; 211. Extending rod; 212. Cutting part; 213. First guide roller; 214. Second guide roller; 215. Frame; 216. Restricting roller; 217. Second guide roller;

[0040] 3. Extrusion assembly; 31. Right-angle bracket; 32. Connecting plate; 33. Slide rail; 34. Slider; 35. Top shell; 36. Bottom shell; 37. Connecting part; 38. Glue tube; 310. First gear; 311. Lead screw; 312. Support shaft; 313. Second gear; 314. Turbine; 315. Worm gear; 316. Threaded plug; 317. Third cylinder; 318. Long rod; 319. Sealing plug; 320. Motor section

[0041] 4. Pressing assembly; 41. Support body; 42. First roller body; 43. Second roller body;

[0042] 5. Curing component; 51. Second support frame; 52. Side rod; 53. Top frame; 54. Third guide roller; 55. Guide rail; 56. Sliding block; 57. Pulley; 58. Forward and reverse motor; 59. Third gear; 510. Connecting part; 512. Fixing block; 513. Side connecting block; 514. Rotating shaft; 515. Connecting block; 516. Fourth cylinder; 517. Second rack; 518. Gear part; 519. UV lamp; 520. Side slot; 521. Limiting roller. Detailed Implementation

[0043] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0044] The technical solutions provided by the various embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0045] Referring to Figures 1 to 10, this embodiment of the present invention provides a fiberglass roll bonding device, including an installation component 1, a cutting component 2, an extrusion component 3, a pressing component 4, and a curing component 5;

[0046] The mounting assembly 1 includes two sets of fixing seats 11, and a first bearing seat 12 is fixedly installed on each of the two sets of fixing seats 11. A fixing rod 13 is fixedly installed between the first bearing seats 12, and two sets of mounting plates 14 are fixedly installed on the fixing rod 13. The two sets of mounting plates 14 are respectively attached to the opposite inner sides of the two sets of fixing seats 11.

[0047] The two sets of mounting plates 14 are arranged at an angle, and a roll of glass fiber 18 of A is provided between the lower angles of the two sets of mounting plates 14, and a roll of glass fiber 17 of B is provided between the upper angles of the two sets of mounting plates 14, so as to form a staggered layout, so that the two rolls of sheet maintain a suitable distance and avoid mutual interference.

[0048] Support plates 15 are vertically arranged on both sets of mounting plates 14. A first guide roller 16 is mounted between the two sets of support plates 15, so that one end of the A roll of glass fiber 18 is suitable to brush over the upper surface of the first guide roller 16. The first guide roller 16 can rotate flexibly. Utilizing the characteristic that rolling friction is much less than sliding friction, it guides one end of the A roll of glass fiber 18 to be unwound smoothly while reducing wear on the sheet surface.

[0049] Meanwhile, a cutting assembly 2 is provided on one side of the fixed base 11. The cutting assembly 2 includes a first support frame 21 located on one side of the fixed base 11. Two sets of second bearing seats 22 are fixedly installed on the side of the first support frame 21 near the fixed base 11. A support roller 23 is movably connected between the two sets of second bearing seats 22. Two sets of connecting plates 24 are fixedly installed on the support roller 23. There is a certain gap between the two sets of connecting plates 24 to reserve space for subsequent operations.

[0050] Two sets of mounting plates 14 are movably mounted with a first cylinder 25 near one end of the support roller 23. The output end of the first cylinder 25 is connected to the side of the connecting plate 24. At the same time, a pressure roller 26 is mounted between one end of the two sets of connecting plates 24 via a bearing. In the initial state, the pressure roller 26 maintains a certain distance from the B roll of glass fiber 17. In the initial state, one end of the A roll of glass fiber 18 brushes past the upper surface of the first guide roller 16 and then passes through the lower surface of the pressure roller 26.

[0051] When the unwinding of roll A of fiberglass 18 is nearly complete, the first cylinder 25 is activated, pushing the connecting plate 24 to drive the pressure roller 26 to rotate around the axis of the support roller 23, so that the pressure roller 26 presses firmly onto roll B of fiberglass 17. At this time, the subsequent traction equipment applies tension to roll A of fiberglass 18, causing roll B of fiberglass 17 to rotate synchronously. One end of roll A of fiberglass 18 is bonded together with the pre-attached equally spaced adhesive tape on roll B of fiberglass 17.

[0052] After the bonding is completed, the first cylinder 25 is activated to drive the two sets of connecting plates 24 to rotate the pressure roller 26 along the axis of the support roller 23. The second cylinder 27 is fixedly installed on the upper surface of the two sets of connecting plates 24. At the same time, annular sleeves 29 are movably sleeved at both ends of the pressure roller 26. The annular sleeve 29 has a protrusion 210. The output end of the second cylinder 27 is movably connected to the protrusion 210. An extension rod 211 is fixedly installed on the annular sleeve 29 on one side of the protrusion 210. A cutting part 212 is fixedly installed between the two sets of extension rods 211.

[0053] It should be noted that, in the initial state, multiple sets of equally spaced tapes are pasted on the side of the B roll of fiberglass 17 that is close to the A roll of fiberglass 18.

[0054] When one end of the A roll of fiberglass 18 is unwound, the first cylinder 25 is activated to drive the two sets of connecting plates 24 to rotate the pressure roller 26 along the axis of the support roller 23, so that the pressure roller 26 presses the B roll of fiberglass 17. At this time, as one end of the A roll of fiberglass 18 is stretched by the subsequent traction equipment, the B roll of fiberglass 17 is rotated synchronously. At this time, one end of the A roll of fiberglass 18 is bonded to one end of the B roll of fiberglass 17 by tape.

[0055] Then the second cylinder 27 is started to drive the two sets of annular sleeves 29 to drive the cutting part 212 to rotate along the axis of the pressure roller 26, thereby causing the cutting part 212 to cut the A roll of glass fiber 18 so that one end of the A roll of glass fiber 18 is bonded and spliced ​​with one end of the B roll of glass fiber 17.

[0056] After one end of fiberglass roll A 18 and one end of fiberglass roll B 17 are bonded and spliced ​​together, the first cylinder 25 is started again to push the two sets of connecting plates 24 to drive the pressure roller 26 to rotate along the axis of the support roller 23, so that the pressure roller 26 moves away from fiberglass roll B 17, thereby completing the subsequent unwinding of fiberglass roll B 17.

[0057] To address the issue that the connection between fiberglass roll B 17 and fiberglass roll A 18 is easily broken during subsequent processing when only adhesive tape is used, as shown in Figures 2 and 5, the extrusion assembly 3 includes a right-angle frame 31 fixedly mounted on the support plate 15, and a connecting plate 32 connecting the two sets of right-angle frames 31. A slide rail 33 is fixedly mounted on the connecting plate 32, and multiple sets of sliders 34 are slidably mounted on the slide rail 33. The multiple sets of sliders 34 are equally spaced and fixed to the slide rail 33 by fasteners.

[0058] Furthermore, a glue supply unit is installed on each of the multiple sets of sliders 34. The glue supply unit includes a housing part installed on the slider 34. The housing part includes a bottom shell 36 and a top shell 35. At the same time, a connecting part 37 is fixedly installed on the bottom shell 36 near the B roll of glass fiber 17. The connecting part 37 has a cylindrical structure and is internally through. A threaded groove is provided on the inner wall of the connecting part 37. A glue cylinder 38 is threadedly connected to the connecting part 37 through the threaded groove. The glue cylinder 38 stores resin glue and has a glue outlet.

[0059] Meanwhile, an extrusion unit is installed on the bottom shell 36. The extrusion unit includes a first gear 310 connected to the upper surface of the bottom shell 36 by a bearing. A screw 311 is threadedly connected to the center of the first gear 310. One end of the screw 311 has a piston. The diameter of the piston is adapted to the inner diameter of the glue cylinder 38 and is suitable to be inside the glue cylinder 38 after the glue cylinder 38 and the connecting part 37 are completed. A support shaft 312 is also installed on the bottom shell 36 at one side of the first gear 310 by a bearing. A second gear 313 is fixedly installed on the support shaft 312 and meshes with the first gear 310. A turbine 314 is also fixedly installed on the support shaft 312. Meanwhile, a worm gear 315 is installed through a bearing on the top shell 35 and meshes with the turbine 314.

[0060] It should be noted that the worm gears 315 of the multiple sets of glue supply units are connected to each other, and a motor unit 320 is fixedly installed on the right-angle bracket 31. The motor unit 320 is connected to the closest set of worm gears 315. The motor unit 320 drives the worm gear 315 to rotate a certain angle each time. In the initial state, after multiple sets of strip-shaped adhesive tape are pasted on the B roll of glass fiber 17, the motor unit 320 is started to drive the worm gear 315 to rotate, so as to synchronously drive the turbines 314 of the multiple sets of glue supply units to rotate 90 degrees. At this time, the turbine 314 drives the support shaft 312 to rotate, and the support shaft 312 drives the second gear 313. The second gear 313 drives the first gear 310 to rotate. After the first gear 310 rotates a certain angle, the piston at one end of the screw 311 is synchronously driven to push the resin glue in the glue cylinder 38 to be squeezed from the glue outlet onto the B roll of glass fiber 17. The squeezed resin glue is between the two sets of strip-shaped adhesive tapes.

[0061] It should be noted that the piston diameter is matched with the inner diameter of the glue cylinder 38. When the piston is pushed into the glue cylinder 38 to extrude the resin, the glue only flows inside the glue cylinder 38, with minimal direct contact with the lead screw 311. Furthermore, the first gear 310 is threadedly connected to the lead screw 311 at its center. This connection method makes the lead screw 311 relatively independent of the glue extrusion channel, making it difficult for the glue to move upwards along the lead screw 311, thus reducing the risk of resin corrosion to the lead screw 311.

[0062] Meanwhile, the lead screw 311 is made of materials with good corrosion resistance, such as stainless steel and alloys with special coatings, which effectively resists the corrosion of chemicals in the resin adhesive. Even if a small amount of resin adhesive comes into contact with the lead screw 311 during long-term use, its surface corrosion-resistant properties can ensure that the lead screw 311 is not damaged and maintains normal transmission function.

[0063] Furthermore, during equipment operation, the movement of the lead screw 311 is mainly a linear reciprocating motion driven by the first gear 310. This motion mode makes it difficult for resin adhesive to remain on the surface of the lead screw 311. Additionally, before equipment operation, a protective grease can be applied to the surface of the lead screw 311 to form a protective film, further isolating the resin adhesive from the lead screw 311 and preventing the resin adhesive from adhering to the surface of the lead screw 311 and curing, which would affect its motion accuracy and service life.

[0064] As shown in Figures 1 and 7-10, the curing component 5 includes a second support frame 51 disposed on one side of the right-angle frame 31. Two sets of side rods 52 are fixedly installed on the side of the second support frame 51, and a top frame 53 is connected and installed between the two sets of side rods 52. A moving unit is fixedly installed on the bottom surface of the top frame 53. The moving unit includes two sets of vertically arranged guide rails 55 fixedly installed on the bottom surface of the top frame 53. A sliding block 56 is slidably installed on the guide rail 55. Four sets of pulleys 57 are fixedly installed inside the sliding block 56. The four sets of pulleys 57 slide symmetrically in pairs on both sides of the guide rail 55.

[0065] A forward and reverse motor 58 is fixedly installed on the sliding block 56. The output end of the forward and reverse motor 58 passes through and extends into the interior of the sliding block 56. A third gear 59 is fixedly installed on the output end of the forward and reverse motor 58. At the same time, a first rack (not shown in the figure) is fixedly installed on the guide rail 55 near the third gear 59. The third gear 59 meshes with the first rack.

[0066] Position adjustment is achieved by moving the unit. The forward and reverse motor 58 is started, and its output drives the third gear 59 to rotate. Since the third gear 59 meshes with the first rack fixed on the guide rail 55, the circular motion of the gear rotation is converted into linear motion, which in turn drives the sliding block 56 to move along the guide rail 55. By controlling the forward or reverse rotation of the forward and reverse motor 58, the rotation direction of the third gear 59 can be changed, thereby realizing the reciprocating movement of the sliding block 56 on the guide rail 55 to adapt to the curing requirements of the bonding area of ​​glass fiber sheet of different sizes, so as to facilitate the uniform treatment of the bonding area by the subsequent curing equipment.

[0067] A connecting part 510 is connected between the two sets of sliding blocks 56. Two sets of fixing blocks 512 are fixedly installed on the connecting part 510 by fasteners. Side connecting blocks 513 are fixedly installed on the opposite sides of the two sets of fixing blocks 512. A rotating shaft 514 is fixedly installed between the two sets of side connecting blocks 513. A UV lamp 519 is movably connected to the rotating shaft 514 by a connecting block 515. The UV lamp 519 is suitable for irradiating the part where A roll of glass fiber 18 and B roll of glass fiber 17 are connected by glue. The ultraviolet light accelerates the curing of the glue and ensures that A and B rolls of glass fiber 17 are quickly and firmly connected.

[0068] Working principle: In the initial state, multiple sets of equidistant strip adhesive tapes are pre-adheded to the surface of roll B fiberglass 17, providing a foundation for subsequent preliminary adhesion. When roll A fiberglass 18 is nearly unwound, the extrusion assembly 3 starts first. The motor 320 drives the worm gear 315 to rotate. Since the worm gears 315 of multiple adhesive supply units are interconnected, they can synchronously drive all the worm gears 314 to rotate 90 degrees. The power is transmitted step by step through the support shaft 312, the second gear 313, and the first gear 310. Finally, the lead screw 311 pushes the piston, extruding the resin adhesive in the adhesive cylinder 38 and precisely coating it on the area between the two sets of strip adhesive tapes on roll B fiberglass 17, significantly enhancing the adhesion strength at the joint.

[0069] Subsequently, the cutting assembly 2 begins operation. The first cylinder 25 pushes the pressure roller 26 to press the B roll of fiberglass 17 tightly. Under the synchronous action of the traction device, the pressure roller 26 not only squeezes the resin adhesive but also ensures it fully permeates both the A and B rolls of fiberglass 17. Since the resin adhesive is transparent in its liquid state, one end of the A roll of fiberglass 18 is able to bond deeply with the resin adhesive through the initial fixation of the tape, achieving a tight bond with the B roll of fiberglass 17. Next, the second cylinder 27 drives the cutting section 212 to rotate, precisely cutting the A roll of fiberglass 18 and completing the splicing process of the two rolls of sheet material. Finally, the first cylinder 25 resets the pressure roller 26, ensuring that the subsequent unwinding of the B roll of fiberglass 17 is unimpeded.

[0070] After splicing, rolls A and B of fiberglass 17 move synchronously to a position below the UV lamp 519. At this point, the curing assembly 5 activates, and the forward / reverse motor 58 drives the third gear 59 to mesh with the first rack, driving the sliding block 56 to move smoothly along the guide rail 55, precisely adjusting the distance between the UV lamp 519 and roll B of fiberglass 17. At the optimal irradiation position, the UV lamp 519 emits ultraviolet light, accelerating the curing of the resin adhesive and allowing rolls A and B of fiberglass 17 to quickly form a strong connection, thus completing the entire roll-changing, bonding, and curing process.

[0071] As shown in Figures 7-10, specifically, a fourth cylinder 516 is fixedly installed on the side of a set of side rods 52. A second rack 517 is fixedly installed on the output end of the fourth cylinder 516. Both ends of the rotating shaft 514 pass through the side connecting block 513, and a gear part 518 is fixedly installed on one end of the side connecting block 513. The gear part 518 meshes with the second rack 517. It should be noted that there is a certain gap between the upper surface of the UV lamp 519 and the side connecting block 513.

[0072] When rolls A and B of fiberglass 17 are spliced ​​and moved under the UV lamp 519 for curing, the fourth cylinder 516 starts working according to the actual angle and position requirements of the bonding area. The output end of the fourth cylinder 516 pushes the second rack 517 to move linearly. Since the gear part 518 meshes with the second rack 517, the linear motion of the second rack 517 is converted into the circular motion of the gear part 518. The gear part 518 is fixedly installed at one end of the rotating shaft 514, so the rotating shaft 514 will rotate together with the gear part 518.

[0073] The UV lamp 519 is movably connected to the rotating shaft 514 via a connecting block 515. As the rotating shaft 514 rotates, the UV lamp 519 adjusts its angle around the shaft 514. Because a gap is provided between the upper surface of the UV lamp 519 and the side connecting block 513, the UV lamp 519 is not interfered with by the side connecting block 513 during rotation, allowing for flexible changes in the irradiation angle. By controlling the extension and retraction distance and speed of the fourth cylinder 516, the rotation angle between the gear part 518 and the rotating shaft 514 can be precisely adjusted, thereby ensuring that the UV lamp 519 irradiates the bonding area of ​​the A and B rolls of fiberglass 17 at the optimal angle. This ensures that the resin adhesive can cure quickly and uniformly under the action of ultraviolet light, effectively improving the bonding quality and curing effect of the fiberglass sheets.

[0074] As shown in Figures 7-10, specifically, the bottom surface of the UV lamp 519 is provided with a protective cover (not shown in the figure). The protective cover is suitable for limiting the irradiation range of the UV lamp 519. The protective cover has through side slots 520 on both sides. The side slots 520 are suitable for the spliced ​​A roll and B roll of glass fiber 17 to pass through. Rotatable limiting rollers 521 are provided on both sides of the protective cover. Part of the limiting rollers 521 protrudes from the side slots 520, so that the spliced ​​A roll and B roll of glass fiber 17 will not contact the groove wall of the side slots 520, but will contact the surface of the two sets of limiting rollers 521.

[0075] The protective enclosure physically blocks the ultraviolet rays emitted by the UV lamp 519. By limiting the dispersion range of the light, it concentrates the ultraviolet rays on the bonded area of ​​the fiberglass sheet, effectively preventing the ultraviolet rays from spreading into the external space. This not only protects operators from potential skin damage and eye burns caused by direct ultraviolet radiation, but also reduces the potential impact of ultraviolet rays on surrounding equipment and the environment, creating a safe and reliable working environment for equipment operation.

[0076] After being spliced, rolls A and B of fiberglass 17, driven by a traction device, travel through the curing area along the side slots 520 on both sides of the protective cover. The side slots 520 provide a precise guiding channel for the sheet, ensuring it remains within the effective irradiation range of the UV lamps 519. Simultaneously, rotatable limiting rollers 521, arranged vertically on both sides of the protective cover, utilize a structural design that partially protrudes from the side slots 520 to form contact with the sheet surface. During the sheet's movement, the limiting rollers 521 flexibly rotate, converting sliding friction into rolling friction, preventing direct friction and wear between the sheet and the side slot walls 520. At the same time, the limiting rollers 521 constrain the sheet, preventing deviation or swaying during transport, ensuring the sheet passes smoothly through the curing area. This allows the resin at the bonded joint to cure rapidly under stable and uniform UV irradiation, improving the quality and efficiency of fiberglass sheet roll-changing bonding.

[0077] As shown in Figures 3 and 6, specifically, a first guide roller 213 is fixedly installed on the first support frame 21 at the lower end of the support roller 23, and a second guide roller 214 is provided on the first support frame 21 at the lower end of the first guide roller 213. Two sets of side seats (not shown in the figure) are fixedly installed on the side of the first support frame 21 away from the second bearing seat 22. The side seats have two sets of frames 215, and two sets of limiting rollers 216 with a certain gap are rotatably arranged between the two sets of frames 215. A second guide roller 217 is mounted on the bearing between the two sets of side seats.

[0078] In the operation of a fiberglass roll-changing bonding equipment, the rollers on the first support frame 21 work together to guide, limit, and tension the A roll of fiberglass 18, ensuring smooth sheet conveying and laying the foundation for the subsequent curing process. Its working principle is as follows:

[0079] Initially, one end of roll A of fiberglass 18 brushes past the upper surface of the first guide roller 16 in the mounting assembly 1. Utilizing the flexible rotation of the first guide roller 16, initial guidance and conveying are achieved with minimal rolling friction. Subsequently, the sheet passes through the lower surface of the pressure roller 26 of the cutting assembly 2. At this point, the pressure roller 26 is initially away from roll B of fiberglass 17, thus not obstructing the normal conveying of the sheet. Next, the sheet sequentially contacts the upper surface of the first guide roller 213 and the lower surface of the second guide roller 217. The arrangement of the first guide roller 213 and the second guide roller 217 further alters the direction of the sheet's movement, guiding it to move smoothly along the preset path of the equipment, ensuring accurate conveying trajectory of the sheet within the equipment, and preventing deviation or curling.

[0080] The sheet continues to move forward, passing through two sets of vertically distributed limiting rollers 216 with a certain gap. The limiting rollers 216 are installed between the frames 215 of the side connector and can rotate flexibly. Their main function is to limit the movement of the fiberglass sheet and restrict its horizontal movement, preventing the sheet from fluctuating up and down during the conveying process and ensuring that the sheet is always in a stable conveying state.

[0081] After passing the limiting roller 216, the sheet brushes over the upper surface of the second guide roller 217 again. The second guide roller 217 serves to guide the sheet again. Simultaneously, as the sheet passes over different rollers, a certain tension change occurs. The cooperation between the second guide roller 217 and other rollers allows for the adjustment of the sheet tension, maintaining appropriate sheet tightness. This ensures that the sheet does not wrinkle or accumulate due to slack during transport, nor does it stretch, deform, or even break due to excessive tension. This provides a well-prepared fiberglass sheet for subsequent extrusion, pressing, and curing processes.

[0082] As shown in Figures 3 and 6, specifically, the glue cylinder 38 is connected to a liquid inlet (not shown in the figure), and one end of the liquid inlet is threadedly connected to a threaded plug 316. The threaded plug 316 is suitable for blocking the liquid inlet to maintain the normal extrusion of the resin glue by the piston inside the glue cylinder 38. It should be noted that the threaded plug 316 is perfectly matched with the liquid inlet and the connection point.

[0083] The inlet on the glue cartridge 38 engages with the threaded plug 316 to store, replenish, and stably extrude resin. During operation, the threaded plug 316 is tightly screwed into the inlet, forming a seal through its matching thread structure to prevent resin leakage from the glue cartridge 38. This ensures stable internal pressure when the piston is pushed by the screw 311 to extrude resin, allowing the resin to be smoothly extruded from the conical outlet into the fiberglass sheet. When the resin in the glue cartridge 38 is depleted and needs replenishment, the threaded plug 316 is unscrewed, and new resin is injected into the glue cartridge 38 through the inlet. After injection, the threaded plug 316 is tightened again to restore the seal, ensuring a continuous and stable supply of resin for bonding the fiberglass sheet.

[0084] As shown in Figures 3 and 6, specifically, the liquid inlet can be connected to a connector with a valve. This connector is suitable for connection to an external glue supply device to replenish the resin in the glue cartridge 38. When the resin in the glue cartridge 38 is consumed and needs to be replenished, the connector is connected to the external glue supply device (such as a glue storage tank, glue supply pump, etc.). At this time, the valve in the connector is opened, the external glue supply device generates pressure, and drives the resin to flow through the connector into the liquid inlet, and then into the glue cartridge 38, completing the resin replenishment operation.

[0085] After replenishment, close the valve inside the connector. The valve effectively blocks the adhesive channel, preventing the resin in the glue cylinder 38 from leaking from the inlet during subsequent piston extrusion. This ensures stable internal pressure in the glue cylinder 38, allowing the piston to properly extrude the resin and smoothly squeeze it from the outlet of the glue cylinder 38 onto the surface of the fiberglass sheet. By controlling the opening and closing of the valve inside the connector, the resin can be replenished and stored stably as needed, ensuring a continuous and stable supply of resin for bonding the fiberglass sheet using the extrusion assembly 3.

[0086] As shown in Figure 5, specifically, a sealing unit is provided on the side of the right-angle frame 31. The sealing unit includes a third cylinder 317 fixedly installed on the side of the right-angle frame 31. The telescopic end of the third cylinder 317 moves through the right-angle frame 31, and a long rod 318 is fixedly installed on the telescopic end of the third cylinder 317. Flexible sealing plugs 319, which are the same number as the glue tubes 38, are provided on the long rod 318. The sealing plugs 319 are initially adapted to block the glue outlet of the glue tubes 38.

[0087] Meanwhile, a through groove (not shown in the figure) is provided on the long bar 318 at one side of the sealing plug 319. The glue outlet of the glue tube 38 is adapted to be aligned with the groove so that the resin glue can be squeezed onto the B roll of glass fiber 17 through the groove.

[0088] When the equipment is not performing the glue extrusion operation, the third cylinder 317 is in the retracted state, and its extension end drives the long rod 318 to the initial position. At this time, the flexible sealing plug 319 on the long rod 318 is tightly fitted with the glue outlet of the glue cylinder 38, blocking the glue outlet and preventing the resin glue from overflowing when not in operation, thus maintaining the pressure stability inside the glue cylinder 38.

[0089] When it is necessary to apply adhesive to roll B of fiberglass 17, the third cylinder 317 is activated and extended. Its telescopic end pushes the long rod 318 forward. As the long rod 318 moves, the flexible sealing plug 319 gradually disengages from the glue outlet of the glue tube 38. At the same time, the glue outlet of the glue tube 38 is precisely aligned with the waist groove on the long rod 318. Under the squeezing action of the piston at one end of the screw 311, the resin glue in the glue tube 38 is squeezed out through the aligned waist groove and evenly applied to roll B of fiberglass 17, completing the adhesive application operation.

[0090] After the adhesive is applied, the third cylinder 317 retracts, and its telescopic end pulls the long rod 318 backward to reset. The long rod 318 then drives the flexible sealing plug 319 to block the outlet of the glue cylinder 38 again, interrupting the flow of resin adhesive and preparing for the next extrusion operation.

[0091] As shown in Figures 3 and 6, specifically, a clamping component 4 is provided between the cutting component 2 and the curing component 5. The clamping component 4 includes an arched support body 41 provided on one side of the first support frame 21, and a first roller body 42 is mounted on the inner wall of the support body 41. At the same time, a second roller body 43 is fixedly installed on the support body 41 at the lower end of the first roller body 42. Meanwhile, two sets of third guide rollers 54 distributed vertically are mounted on the second support frame 51. Here, the third guide roller 54 located at the upper end is defined as the third guide roller one, and the third guide roller 54 located at the upper end is defined as the third guide roller two.

[0092] In the initial state, after being limited by the limiting roller 216 of the cutting component 2, the A roll of glass fiber 18 is first adjusted in conveying direction by the upper surface of the second guide roller 217, and then sequentially contacts the upper surface of the first roller 42 and the lower surface of the second roller 43. The first roller 42 and the second roller 43 installed on the arched support 41 form a specific sheet conveying path, further regulating the running trajectory of the sheet and ensuring its stable forward movement. Finally, the sheet is precisely inserted into the curing area below the UV lamp 519 by the third guide roller one and the third guide roller two distributed vertically in the curing component 5.

[0093] In summary: In the initial state, multiple sets of equidistant strip adhesive tapes are pre-attached to the surface of roll B fiberglass 17. When roll A fiberglass 18 is nearly unwound, the extrusion assembly 3 is activated. The motor 320 drives the worm gear 315 to rotate, and through the transmission of the worm 314, support shaft 312, second gear 313, and first gear 310, the lead screw 311 pushes the piston, extruding the resin adhesive from the adhesive cartridge 38 and coating it between the two sets of strip adhesive tapes on roll B fiberglass 17, thereby enhancing the connection strength.

[0094] Cutting assembly 2 begins operation. First cylinder 25 pushes pressure roller 26 to press B roll of fiberglass 17. Under the action of traction equipment, one end of A roll of fiberglass 18 is bonded to B roll with tape and resin adhesive. Next, second cylinder 27 drives cutting part 212 to rotate, cutting A roll and completing the splicing of the two rolls of sheet. Then, first cylinder 25 resets pressure roller 26, without affecting the subsequent unwinding of B roll.

[0095] In the pressing assembly 4, the first roller 42 and the second roller 43 on the arched support body 41, together with the two sets of third guide rollers 54 on the second support frame 51, guide, press and adjust the tension of the spliced ​​sheet to ensure that the adhesive joint is tightly fitted and the sheet is flat, creating good conditions for curing.

[0096] Curing component 5 is activated, and forward and reverse motors 58 drive sliding block 56 to move along guide rail 55 via gear and rack transmission, adjusting the position of UV lamp 519; fourth cylinder 516 adjusts the irradiation angle of UV lamp 519 via gear and rack structure. The protective cover on the bottom of UV lamp 519 limits the ultraviolet irradiation range and protects the operator's safety; side slot 520 and limiting roller 521 provide a passage path for sheet material, reducing wear and preventing displacement, allowing resin adhesive to cure quickly under ultraviolet irradiation, achieving a firm connection between A and B rolls of glass fiber 17.

[0097] The inlet section, threaded plug 316, valve-connected connector, and sealing unit of the glue cartridge 38 work together to ensure a stable supply and precise extrusion of the resin glue. The inlet section, together with the connector and valve, allows for convenient replenishment of the resin glue; the threaded plug 316 and sealing unit prevent glue leakage when not in operation, and ensure that the glue is extruded as needed during operation. The rollers on the first support frame 21 guide, limit, and tension the A roll of glass fiber 18, ensuring smooth sheet transport.

[0098] The resin adhesive is added to the gap of the tape by the extrusion component 3, and then compacted and impregnated by the pressing component 4. Finally, the UV lamp 519 of the curing component 5 accelerates the curing process, so that the resin adhesive and the fiberglass sheet form a deep bond, which greatly enhances the connection strength, effectively resists the effects of external forces such as traction and tension, as well as mechanical vibration and tension fluctuations, and reduces the risk of breakage at the A / B roll splice.

[0099] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A fiberglass roll-changing adhesive splicing device, characterized in that: The system includes two sets of fixing seats (11), on which a first bearing seat (12) is mounted, and a fixing rod (13) is installed between the first bearing seats (12). Two sets of inclined mounting plates (14) are mounted on the fixing rod (13), and A roll of glass fiber (18) and B roll of glass fiber (17) are arranged between the two sets of mounting plates (14). Multiple sets of adhesive tape are suitable for pasting on the B roll of glass fiber (17). The system also includes an extrusion assembly (3), which includes a glue cylinder (38) installed on the upper end of the fixing rod (13) for storing resin glue, and a glue cylinder suitable for extending along the glue cylinder. The cylinder (38) has a linearly moving screw (311) adapted to extrude resin adhesive; a curing assembly (5) including a UV lamp (519) mounted on the extrusion assembly (3) for irradiating the joint of A and B rolls of glass fiber (17); and a cutting assembly (2) including a pressure roller (26) mounted on one side of the fixed base (11) for pressing B rolls of glass fiber (17) and a cutting section (212) for cutting A rolls of glass fiber (18), the pressure roller (26) being able to extrude resin adhesive to impregnate A and B rolls of glass fiber.

2. The fiberglass roll-changing adhesive bonding equipment according to claim 1, characterized in that: Both sets of mounting plates (14) are vertically equipped with support plates (15). The extrusion assembly (3) also includes right-angle brackets (31) mounted on the support plates (15). A connecting plate (32) connects the two sets of right-angle brackets (31). A slide rail (33) is mounted on the connecting plate (32). Multiple sets of sliders (34) are slidably mounted on the slide rail (33). The multiple sets of sliders (34) are evenly spaced and fixed to the slide rail (33) by fasteners. Each of the slides (34) is equipped with a glue supply unit, which includes a housing part installed on the slide block (34). The housing part includes a bottom shell (36) and a top shell (35). A connecting part (37) is installed on the side of the bottom shell (36) near the B roll of glass fiber (17). The connecting part (37) is a cylindrical structure and is internally connected. The inner wall of the connecting part (37) is provided with a threaded groove. The glue tube (38) is threadedly connected to the connecting part (37). The glue tube (38) has a glue outlet.

3. The fiberglass roll-changing adhesive bonding equipment according to claim 2, characterized in that: An extrusion unit is installed on the bottom shell (36). The extrusion unit includes a first gear (310) with a bearing connected to the upper surface of the bottom shell (36). A lead screw (311) is threaded to the center of the first gear (310). One end of the lead screw (311) has a piston. A support shaft (312) is mounted on the bottom shell (36) at one side of the first gear (310). A second gear (313) is mounted on the support shaft (312). 313) meshes with the first gear (310), a turbine (314) is mounted on the support shaft (312), a worm gear (315) is mounted on the top shell (35) through a bearing, and the worm gear (315) meshes with the turbine (314); multiple sets of glue supply parts have worm gears (315) connected together, a motor part (320) is mounted on the right angle frame (31), the motor part (320) is connected to a set of the worm gears (315), and the lead screw (311) is made of stainless steel.

4. The fiberglass roll-changing adhesive bonding equipment according to claim 3, characterized in that: The curing assembly (5) further includes a second support frame (51) disposed on one side of the right-angle frame (31). Two sets of side rods (52) are installed on the side of the second support frame (51). A top frame (53) is connected between the two sets of side rods (52). A moving unit is installed on the bottom surface of the top frame (53). The moving unit includes two sets of vertically arranged guide rails (55) installed on the bottom surface of the top frame (53). A sliding block (56) is slidably installed on the guide rail (55). Four sets of pulleys (57) are installed inside the sliding block (56). The four sets of pulleys (57) slide symmetrically on both sides of the guide rail (55). A forward and reverse motor (58) is installed on the sliding block (56). The output end of the forward and reverse motor (58) passes through and extends into the interior of the sliding block (56). A third gear (59) is installed at the output end of the forward and reverse motor (58). A first rack is fixedly installed on the side of the guide rail (55) near the third gear (59). The third gear (59) meshes with the first rack. A connecting part (510) connects the two sets of sliding blocks (56). Two sets of fixing blocks (512) are installed on the connecting part (510) by fasteners. Side connecting blocks (513) are installed on the two sets of fixing blocks (512). A rotating shaft (514) is installed between the two sets of side connecting blocks (513). The UV lamp (519) is movably sleeved on the rotating shaft (514) through the connecting block (515).

5. The fiberglass roll-changing adhesive bonding equipment according to claim 4, characterized in that: A fourth cylinder (516) is mounted on the side of a set of side rods (52). A second rack (517) is mounted on the output end of the fourth cylinder (516). Both ends of the rotating shaft (514) pass through the side connecting block (513). A gear part (518) is mounted on one end of the side connecting block (513). The gear part (518) meshes with the second rack (517). There is a certain gap between the UV lamp (519) and the side connecting block (513).

6. The fiberglass roll-changing adhesive bonding equipment according to claim 5, characterized in that: The bottom surface of the UV lamp (519) is provided with a protective cover, which limits the irradiation range of the UV lamp (519). The protective cover has through side slots (520) on both sides, which allow the spliced ​​A roll and B roll of fiberglass (17) to pass through. On both sides of the protective cover, there are rotatable limiting rollers (521) arranged vertically, with part of the limiting rollers (521) protruding from the side slots (520).

7. The fiberglass roll-changing adhesive bonding equipment according to claim 1, characterized in that: The cutting assembly (2) further includes a first support frame (21) disposed on one side of the fixed base (11). Two sets of second bearing seats (22) are mounted on the first support frame (21) near the fixed base (11). A support roller (23) is movably connected between the two sets of second bearing seats (22). Two sets of connecting plates (24) are mounted on the support roller (23), with a certain gap between the two sets of connecting plates (24). A first cylinder (25) is movably mounted on one end of each of the two sets of mounting plates (14) near the support roller (23). The output end of the first cylinder (25) is connected to the side of the connecting plate (24). The pressing... The roller (26) bearing is installed between one end of the two sets of connecting plates (24). Initially, the pressure roller (26) and the B roll of glass fiber (17) are kept at a certain distance. A second cylinder (27) is installed on the upper surface of the two sets of connecting plates (24). An annular sleeve (29) is movably sleeved at both ends of the pressure roller (26). The annular sleeve (29) has a protrusion (210). The output end of the second cylinder (27) is movably connected to the protrusion (210). An extension rod (211) is installed on the annular sleeve (29) at one side of the protrusion (210). The cutting part (212) is installed between the two sets of extension rods (211).

8. The fiberglass roll-changing adhesive bonding equipment according to claim 7, characterized in that: A first guide roller (213) is installed on the first support frame (21) at the lower end of the support roller (23). A second guide roller (214) is also installed on the first support frame (21) at the lower end of the first guide roller (213). Two sets of side seats are installed on the side of the first support frame (21) away from the second bearing seat (22). The side seats have two sets of frames (215). Two sets of limiting rollers (216) are rotatably arranged between the two sets of frames (215) and are distributed vertically and have a certain gap. A second guide roller (217) is installed between the two sets of side seats.

9. The fiberglass roll-changing adhesive bonding equipment according to claim 1, characterized in that: The glue cylinder (38) is connected to a liquid inlet, which is connected to a connector. The connector has a valve and is suitable for connection to an external glue supply device to replenish the glue cylinder (38) with resin glue.

10. A fiberglass roll-changing adhesive bonding device according to claim 3, characterized in that: A sealing unit is provided on the side of the right-angle frame (31). The sealing unit includes a third cylinder (317) installed on the side of the right-angle frame (31). The telescopic end of the third cylinder (317) extends through the right-angle frame (31). A long rod (318) is installed on the telescopic end of the third cylinder (317). Flexible sealing plugs (319) with the same number as the glue tubes (38) are provided on the long rod (318). The sealing plugs (319) are initially adapted to block the glue outlet of the glue tubes (38). A through groove is opened on the long rod (318) at one side of the sealing plugs (319).

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