Impermeable film packaging equipment for ultraviolet curing glass fiber tube

Abstract

The invention discloses impermeable membrane packaging equipment for an ultraviolet curing glass fiber tube, and relates to the field of impermeable membrane packaging equipment. The impermeable membrane packaging equipment comprises an equipment supporting steel frame and a tube blank conveyed to the equipment supporting steel frame; a first anti-seepage film unwinding mechanism and a second anti-seepage film unwinding mechanism which are used for installing anti-seepage film coiled materials are symmetrically arranged on the surface of the equipment supporting steel frame up and down, and a cold-state pressure roller used for conducting preliminary pressing on an upper anti-seepage film, a lower anti-seepage film and a pipe blank located between the two anti-seepage films is arranged between the inner walls of the equipment supporting steel frame. An auxiliary assembly used for flattening and fixing wrinkles at the two ends of the impermeable film is arranged in the equipment supporting steel frame. The threaded groove forms a protruding structure, gas between an impermeable film and a pipe blank is exhausted during rolling, the packaging compactness is improved, wrinkles are leveled cooperatively, the edge is fixed, the common edge warping problem in traditional packaging is solved, the contact state of the roller and the packaging plate is accurately adjusted, and different functions are achieved for different positions of the impermeable film.

Description

Technical Field

[0001] The plastic connecting device of the present invention more specifically relates to the field of anti-seepage membrane packaging equipment, in particular to an anti-seepage membrane packaging equipment for ultraviolet light-cured glass fiber tubes. Background Art

[0002] In the manufacturing process of UV-cured fiberglass tubes (such as corrosion-resistant pipes used in municipal water supply and drainage, chemical industry, power generation, and other fields), encapsulation with an impermeable membrane (usually a polymer membrane) is a key step in ensuring the long-term sealing performance and structural durability of the pipe. The impermeable membrane must tightly wrap the tube blank without wrinkles or bubbles, and then form a barrier layer with the resin during the subsequent UV curing process. Before the impermeable membrane is wrapped around the tube blank, the inner membrane must be cylindrically sleeved on the outside of the hollow long tube, and the glass fiber cloth is wrapped around the surface of the inner membrane through a winding mechanism. The tube blank (the inner membrane wrapped with glass fiber) needs to be encapsulated with the impermeable membrane. Currently, the impermeable membrane encapsulation equipment commonly used in the industry still has the following shortcomings in actual use: When sealing and pressing a tube with an impermeable membrane, typically only one or more pairs of pressure rollers are used for initial compression and degassing. These rollers are often smooth, and while they can expel most air, they are limited in their effectiveness at removing localized gas, particularly at the interface between the membrane and the fiberglass composite mat. Residual gas can become a weak point during the subsequent curing process, affecting the impermeability and integrity of the tube. Furthermore, since the impermeable membrane directly wraps around the round tube, excess material at the edges can easily accumulate and wrinkle at the compression points, or it may not adhere to the flattened tube ends, compromising the final seal. Summary of the Invention

[0003] In order to improve the effect of local gas exhaust and solve the problem of wrinkle sealing of the anti-seepage membrane at both ends of the tube blank, the present application provides an anti-seepage membrane packaging device for UV-cured glass fiber tubes.

[0004] The present application provides an anti-seepage film packaging device for UV-curing glass fiber tubes, which adopts the following technical solutions: A device for encapsulating an anti-seepage membrane for a UV-cured glass fiber tube comprises a device support steel frame and a tube blank conveyed onto the device support steel frame; a first anti-seepage membrane unwinding mechanism and a second anti-seepage membrane unwinding mechanism for installing an anti-seepage membrane coil are symmetrically arranged on the surface of the device support steel frame; a cold pressure roller for preliminarily pressing the upper and lower anti-seepage membranes and the tube blank located between the two anti-seepage membranes is arranged between the inner walls of the device support steel frame; and an auxiliary component for flattening and fixing the folds at both ends of the anti-seepage membrane is arranged inside the device support steel frame; The auxiliary component includes two reciprocating screw roller groups that are rotatably connected to the inner side of the equipment support steel frame and are symmetrically arranged. The surface of the reciprocating screw roller group is symmetrically provided with threaded grooves for forming a bulge on the surface of the reciprocating screw roller group and reducing the gas between the anti-seepage membrane and the tube blank. The outside of the reciprocating screw roller group is provided with an auxiliary column for moving outside the anti-seepage membrane. The bottom of the auxiliary column is provided with a roller and an auxiliary packaging plate with a bulge in the middle for preventing the generation of biting edges. The inner side of the equipment support steel frame is symmetrically fixed with an auxiliary plate, and the surface of the auxiliary plate is symmetrically provided with a control component for controlling the contact state of the roller, the auxiliary packaging plate and the anti-seepage membrane.

[0005] By adopting the above technical solution, the thread groove forms a raised structure, which discharges the gas between the anti-seepage membrane and the tube blank during rolling, improves the packaging density, synergistically flattens wrinkles and fixes the edges, solves the common edge warping problem in traditional packaging, and accurately adjusts the contact state between the roller and the packaging plate to achieve different functions at different positions of the anti-seepage membrane.

[0006] Preferably, both ends of the drum are provided with arc surfaces for forming a convex middle portion of the drum.

[0007] By adopting the above technical solution, the raised structure makes the pressure in the middle of the roller greater than that at the edge, thus preventing the anti-seepage membrane from being torn due to stress concentration at the edge during pressing. The arc surface fits the curved surface of the tube blank, applying pressure evenly and reducing local wear.

[0008] Preferably, the auxiliary packaging plate is provided with a second arc surface on the side away from the roller, which is adapted to the shapes of the two ends of the tube blank, and both ends of the second arc surface are provided with inclined surfaces for forming a central convexity of the auxiliary packaging plate.

[0009] By adopting the above technical solution, the arc surface 2 is consistent with the shape of the end of the tube blank, ensuring that there are no dead angles in the edge packaging.

[0010] Preferably, the control component includes a parallel section 1, a parallel section 2 and a parallel section 3 which are opened on the surface of the auxiliary plate and parallel to the auxiliary plate.

[0011] By adopting the above technical solution, the roller / packaging plate is kept in a stable pressed state.

[0012] Preferably, the control component further comprises an inclined section 1, an inclined section 2 and an inclined section 3 which are opened on the surface of the auxiliary plate and connect the parallel section 1, the parallel section 2 and the parallel section 3 end to end.

[0013] By adopting the above technical solution, the pressure is adjusted during the transition period to avoid displacement of the membrane material due to sudden changes.

[0014] Preferably, a second sliding block is fixedly connected to the surface of the auxiliary column and is slidably connected to the interior of the control assembly.

[0015] By adopting the above technical solution, when the auxiliary column slides along the path, the roller and the packaging plate switch between contact and separation states according to a preset trajectory to meet the needs of different packaging stages.

[0016] Preferably, the inside of the two thread grooves are slidably connected with a reversible nut, the surfaces of the two nuts are rotatably connected with a first slider that is slidably connected to the auxiliary column, and the inner side of the equipment support steel frame is fixedly connected with a guide rail that is slidably connected to the two first sliders.

[0017] By adopting the above technical solution, the gear meshing ensures that the upper and lower rollers rotate synchronously in opposite directions, and the anti-seepage membrane is subjected to balanced tension.

[0018] Preferably, both ends of the two reciprocating screw roller groups are fixedly connected with mutually meshing transmission gears, the surface of the equipment support steel frame is fixedly connected with an electric motor, the output end of the electric motor is fixedly connected to the surface of one of the reciprocating screw roller groups, and the interior of the equipment support steel frame is provided with a hot pressing roller for hot pressing the upper and lower anti-seepage membranes to the surface of the tube blank.

[0019] By adopting the above technical solution, the first slider slides along the guide rail, limiting the radial deviation of the nut and improving the movement accuracy of the auxiliary column.

[0020] Preferably, a connecting column 1 that passes through the interior of the drum and is rotatably connected to the drum is fixedly connected to the surface of the auxiliary column.

[0021] By adopting the above technical solution, the connecting column 1 allows the roller to rotate freely, reducing friction damage to the anti-seepage membrane.

[0022] Preferably, a second connecting column fixedly connected to the surface of the auxiliary packaging plate is fixedly connected to the surface of the auxiliary column.

[0023] By adopting the above technical solution, the second connecting column ensures stable pushing of the packaging board and accurately handles edge wrinkles.

[0024] In summary, this application includes at least one of the following beneficial technical effects: 1. The present invention adopts a method of introducing an anti-seepage membrane unwinding mechanism 1 and an anti-seepage membrane unwinding mechanism 2 to wrap the anti-seepage membrane with the upper and lower surfaces of the tube blank respectively, so that the tube blank is clamped between the upper and lower anti-seepage membranes and enters a pair of relatively rotating cold pressure rollers together, firstly, the upper and lower anti-seepage membranes are preliminarily pressed against the tube blank to discharge most of the entrained air, forming a preliminary wrapping shape, and preventing a large amount of air from entering the subsequent process, and then the tube blank wrapped with the anti-seepage membrane enters between the reciprocating screw roller group, and the convex structure formed by the thread groove opened on the surface of the reciprocating screw roller group can more effectively comb the anti-seepage membrane surface during rolling, and further squeeze out the gas remaining in the local area (especially the interface between the membrane and the glass fiber cloth / tube blank) after pre-lamination, thereby significantly improving the exhaust effect, and the convex structure increases the local pressure, forcing the upper and lower anti-seepage membranes to contact more closely with the surface of the tube blank, improving the lamination, and reducing the interface gap. The uniform distribution of the thread grooves ensures that the pressure is more evenly transmitted along the circumference and length of the tube blank.

[0025] 2. The reciprocating screw roller group is composed of two symmetrical reciprocating screws, and the rotation of the reciprocating screw roller group drives the two auxiliary columns to move closer and farther away from each other. The auxiliary columns drive the roller and the auxiliary packaging plate to move on the surface of the upper and lower anti-seepage membranes, and flatten the surface of the tube blank and the redundant and wrinkled anti-seepage membranes on both sides. The middle part of the roller and the auxiliary packaging plate are slightly raised, so that when contacting the anti-seepage membrane, the center contacts first, and the pressure is dispersed to both ends, avoiding excessive local stress concentration on the membrane material by the edge of the roller and the auxiliary packaging plate. During the flattening operation (especially when pushing to the edge) and wrapping the edge of the tube blank, the raised design significantly reduces the risk of biting or tearing the edge of the membrane material (bite edge effect), which helps to discharge or flatten the air or tiny wrinkles under the membrane material more smoothly to both sides.

[0026] 3. Through the use of the control component, when the second slider enters the interior of the parallel section 2, the roller pushes and vents the center to the edge of the anti-seepage membrane. When entering the inclined section 2, the two symmetrical rollers approach each other, accurately squeezing the excess anti-seepage membrane growing on both sides of the tube blank together, preparing for subsequent wrapping and heat sealing. The auxiliary packaging plate is in the shape of a plate. While the roller is tilting, it drives the auxiliary packaging plate to tilt downward to contact the membrane surface and begin to wrap the anti-seepage membrane around the arc edge of the tube blank. A heating wire is provided inside the arc surface 2 of the auxiliary packaging plate. When wrapping the edge of the tube blank, the built-in heating wire is used to locally heat the anti-seepage membrane (lower than the main solid state heating wire). The roller moves horizontally in the parallel section 3, and the auxiliary packaging plate moves horizontally without contacting the film, thereby flattening the tiny wrinkles generated in the edge area during the wrapping process to ensure a smooth edge. The roller and the auxiliary packaging plate are lifted off the membrane surface in an orderly manner through the inclined section 3 to avoid sudden detachment and rebound or damage to the membrane surface. When the nut drives the roller back to the center starting point, the second slider is located inside the parallel section 1 and does not contact the membrane surface, thus preventing the roller from scratching or pushing the treated membrane surface in the reverse direction during the return process.

[0027] 4. By installing the bottom end of the auxiliary packaging plate at a position higher than the roller or not contacting the membrane surface, the auxiliary packaging plate will not contact the membrane surface when it moves from the middle of the roller anti-seepage membrane to the edge, ensuring that the auxiliary packaging plate only performs contact operations in the edge area that needs to be processed. The two functional stages of "center flattening or venting" and "edge wrapping or fixing" are clearly divided and executed by different components (roller and auxiliary packaging plate) at different positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A three-dimensional schematic diagram of the overall structure of this application; Figure 2 This is a three-dimensional side view of the overall structure of this application; Figure 3 This is a schematic diagram of the specific structural location of this application; Figure 4 for Figure 3 A in the middle is an enlarged structural diagram; Figure 5 for Figure 3 The enlarged structural diagram at B in the middle; Figure 6 This is a schematic diagram of the auxiliary component structure of this application; Figure 7 for Figure 6 The enlarged structural diagram at C in the middle; Figure 8 A cross-sectional view of the equipment support steel frame for this application; Figure 9 for Figure 8 The enlarged structural diagram at D in the middle; Figure 10 This is a structural schematic diagram of the auxiliary packaging plate in the mobile hot pressing state of this application.

[0029] Reference numerals: 1, equipment support steel frame; 2, tube blank; 3, anti-seepage membrane unwinding mechanism 1; 4, anti-seepage membrane unwinding mechanism 2; 5, cold pressure roller; 6. Auxiliary assembly; 61. Reciprocating screw roller assembly; 611. Thread groove; 612. Nut; 613. First slider; 614. Guide rail; 615. Transmission gear; 616. Motor; 62. Auxiliary column; 63. Connecting column 1; 64. Roller; 641. Arc surface 1; 65. Auxiliary packaging plate; 651. Arc surface 2; 652. Inclined surface; 653. Connecting column 2; 66. Control assembly; 661. Parallel section 1; 662. Inclined section 1; 663. Parallel section 2; 664. Inclined section 2; 665. Parallel section 3; 666. Inclined section 3; 67. Second slider; 68. Auxiliary plate; 7. Hot pressing roller. DETAILED DESCRIPTION

[0030] The following is combined with Figures 1-10 This application is described in further detail.

[0031] The embodiment of the present application discloses an anti-seepage membrane packaging device for ultraviolet light-cured glass fiber tubes.

[0032] Reference Figure 1 、 Figure 3 as well as Figure 4 The anti-seepage film packaging equipment of the present invention belongs to plastic connection equipment, and provides an anti-seepage film packaging equipment for UV-cured glass fiber tubes, including an equipment support steel frame 1 and a tube blank 2 transported to the equipment support steel frame 1, the surface of the equipment support steel frame 1 close to the tube blank 2 is fixed to the installation end of the anti-seepage film unwinding mechanism 1 3 and the anti-seepage film unwinding mechanism 2 4, the anti-seepage film unwinding mechanism 1 3 and the anti-seepage film unwinding mechanism 2 4 are symmetrically arranged on the inner side of the equipment support steel frame 1 on the middle platform of the equipment support steel frame 1, the anti-seepage film unwinding mechanism 1 3 and the anti-seepage film unwinding mechanism 2 4 are used to install the anti-seepage film coil and transport the anti-seepage film, the anti-seepage film unwinding mechanism 1 3 and the anti-seepage film unwinding mechanism 2 4 allows independent control of the tension, speed and position of the upper and lower membranes, ensuring that the two membrane strips can be accurately and independently transported to the confluence point to avoid mutual interference or pulling, laying the foundation for subsequent precise wrapping. The equipment support steel frame 1 is fixed to the inner side of the tube blank 2 and the mounting end of the cold pressure roller 5. The cold pressure roller 5 is used to perform preliminary pressing of the upper and lower anti-seepage membranes and the tube blank 2 located between the two anti-seepage membranes. An auxiliary component 6 is provided inside the equipment support steel frame 1. The auxiliary component 6 is used to flatten and fix the folds at both ends of the anti-seepage membrane. A hot pressing roller 7 is provided inside the equipment support steel frame 1. The hot pressing roller 7 is used to hot-press and fix the upper and lower anti-seepage membranes to the surface of the tube blank 2.

[0033] When the tube blank 2 is made, the cylindrical inner membrane must first be put into the hollow long tube, and then the surface of the inner membrane must be wrapped with glass fiber cloth through the winding mechanism. At the same time, the inner membrane moves forward synchronously, and the two anti-seepage membranes are attached to the tube blank 2 from the top and bottom directions by the anti-seepage membrane unwinding mechanism 1 3 and the anti-seepage membrane unwinding mechanism 2 4 and sent together between the two pre-pressing rollers of the cold pressure roller 5. The pre-pressing roller surface of the cold pressure roller 5 is smooth, and the upper and lower film strips are preliminarily pressed against the tube blank 2 to discharge most of the entrained air to form a preliminary wrapping shape to prevent a large amount of air from entering the subsequent process. The two anti-seepage membranes will pass through the guide roller before entering between the cold pressure rollers 5. The guide roller accurately guides the membrane belt path to ensure that the membrane belt is not twisted The tube 2 reaches the pre-lamination point without any deviation and achieves precise alignment with the tube 2, preventing poor wrapping or film waste caused by deviation. The anti-seepage membrane and the tube 2, which have been hot-pressed by the cold pressure roller 5, enter the interior of the auxiliary component 6. The auxiliary component 6 fixes and seals the edges of the anti-seepage membrane and the tube 2. The anti-seepage membrane and the tube 2, which have passed through the auxiliary component 6, enter the interior of the hot pressing roller 7 for hot melting, pressing, and fixing. After pre-lamination, degassing, edge pre-fixation, and flattening, the tube 2 is in a very stable state and enters the hot pressing roller 7 for final hot pressing and bonding, or to prepare for subsequent UV curing, to achieve a more uniform, firm, and defect-free final packaging effect. Edge pre-fixation is a key prerequisite for the success of the main hot pressing.

[0034] Reference Figure 5 、 Figure 6The auxiliary component 6 includes two reciprocating screw roller groups 61 that are rotatably connected to the inner side of the equipment support steel frame 1 and symmetrically arranged. The reciprocating screw roller group 61 is symmetrically arranged by two reciprocating screws. The central axes of the two reciprocating screws are connected. By driving the reciprocating screw roller group 61 to rotate, the two reciprocating screws can be driven to rotate synchronously. Two thread grooves 611 are provided on the surface of the reciprocating screw roller group 61. The two thread grooves 611 are symmetrically arranged on the two reciprocating screws. The opening of the thread groove 611 forms a bulge on the surface of the entire reciprocating screw roller group 61 and reduces the gas between the anti-seepage membrane and the tube blank 2. The inner walls of the two thread grooves 611 slide with the bottom end of a nut 612 respectively. By opening the thread groove 611, the reciprocating screw roller group 61 maintains one rotation direction, which can drive the two nuts 612 to pass To move closer to or away from each other, the two nuts 612 can change directions inside the thread groove 611. The tops of the two nuts 612 are rotatably connected to a first slider 613 respectively. The nuts 612 pass through the inside of the first slider 613. The rotation reversal of the nuts 612 is achieved by rotating the connection. The inner side of the equipment support steel frame 1 and the positions on both sides of the two reciprocating screw roller groups 61 are fixed to the two ends of the guide rail 614. The guide rail 614 is two cylinders. The guide rail 614 passes through the inside of the two first sliders 613. The first slider 613 slides on the surface of the guide rail 614. The translation of the first slider 613 is achieved by the guide rail 614. The inside of the first slider 613 slides through and slides with the surface of the auxiliary column 62. The auxiliary column 62 can slide up and down inside the first slider 613.

[0035] During use, the unidirectional rotation of the reciprocating screw roller assembly 61 drives the two nuts 612 to slide within the thread groove 611, moving the two nuts 612 toward or away from each other. Initially, the two first sliders 613 are located in the middle of the tube 2. As the nuts 612 move, they drive the first sliders 613 to slide on the surface of the guide rail 614. It should be noted that the reciprocating screw is a precision component that achieves mechanical transmission through the structure of the thread groove 611. Its core feature is that the unidirectional rotation of the main shaft drives the nuts 612 to complete axial reciprocating motion. This component consists of two thread grooves 611 with the same pitch and opposite rotation directions, connected by a transition curve, forming a closed spiral track. Motion conversion is achieved by the thrust of the spiral side against the nuts 612.

[0036] Reference Figure 8 Both ends of the two reciprocating screw roller groups 61 are fixed to a transmission gear 615. The reciprocating screw roller group 61 passes through the middle of the transmission gear 615. The transmission gears 615 at the same end of the two reciprocating screw roller groups 61 are meshed with each other. The equipment support steel frame 1 is fixed to the outside of the reciprocating screw roller group 61 below and the installation end of the motor 616. The output end of the motor 616 is fixed to one end of the reciprocating screw roller group 61 below.

[0037] The motor 616 drives the reciprocating screw roller group 61 located below to rotate. The rotation of the reciprocating screw roller group 61 drives the reciprocating screw roller group 61 located above to rotate through the meshing transmission gear 615, thereby realizing the movement of the first slider 613.

[0038] Reference Figure 2 、 Figure 6 、 Figure 7 as well as Figure 10 , an auxiliary column 62 is provided on the outside of the reciprocating screw roller group 61, and the auxiliary column 62 moves outside the anti-seepage membrane. A roller 64 and an auxiliary packaging plate 65 are provided at the bottom of the auxiliary column 62. The middle parts of the roller 64 and the auxiliary packaging plate 65 are convex to prevent the formation of bite edges of the anti-seepage membrane. Arc surface 1 641 is provided at both ends of the roller 64. The opening of the arc surface 1 641 makes the bottom of the roller 64 form a central convexity. The surface of the auxiliary packaging plate 65 is provided with an arc surface 2 651. The arc surface 2 651 is provided at the end of the auxiliary packaging plate 65 away from the roller 64. Figure 7 As shown, the shape of the arc surface 2 651 is adapted to the shape of the two ends of the tube blank 2, and inclined surfaces 652 are provided at both ends of the arc surface 651. The opening of the inclined surface 652 makes the bottom of the auxiliary packaging plate 65 form a convex shape in the middle, and the surface bottom end of the auxiliary column 62 is fixed to the top end of the connecting column 1 63. The end of the connecting column 1 63 away from the auxiliary column 62 passes through the interior of the roller 64, and the connecting column 1 63 is rotatably connected to the roller 64. The rotating connection allows the roller 64 to roll on the surface of the anti-seepage membrane, flattening the surface where the anti-seepage membrane and the tube blank 2 are fitted, and the surface bottom end of the auxiliary column 62 is fixed to the top end of the connecting column 2 653, and the bottom of the connecting column 2 653 is fixed to the upper surface of the auxiliary packaging plate 65. The movement of the connecting column 2 653 can drive the auxiliary packaging plate 65 to move.

[0039] The movement of the first slider 613 drives the auxiliary column 62, which in turn drives the connecting column 1 63 to roll along the surface of the impermeable membrane. Because the bottom end of the auxiliary packaging plate 65 is mounted above the roller 64, or positioned away from the membrane surface, the plate 65 avoids contact with the membrane surface as the roller 64 moves from the center of the membrane toward the edge. This ensures that the plate 65 only makes contact with the edge areas requiring treatment. The raised center of the roller 64 means that contact first occurs at the center (or in the center area). As pressure increases or the roller 64 rolls, the contact area expands from the center toward the sides. This is like a wave, with pressure gradually transferring from the center toward the edges.

[0040] Reference Figure 8 、 Figure 9, the inner side of the equipment support steel frame 1 is located above and below the two reciprocating screw roller groups 61 and is fixed at both ends of the two auxiliary plates 68. The two auxiliary plates 68 are symmetrically arranged above and below the tube blank 2. A control component 66 is provided on the surface of the auxiliary plate 68. The control component 66 is used to control the contact state of the roller 64, the auxiliary packaging plate 65 and the anti-seepage membrane. The control component 66 includes a parallel section 1 661, a parallel section 2 663 and a parallel section 3 665. The parallel section 1 661, the parallel section 2 663 and the parallel section 3 665 are opened on the side of the auxiliary plate 68 close to the hot pressing roller 7. The parallel section 1 661, the parallel section 2 663 and the parallel section 3 665 are all parallel to the position of the auxiliary plate 68, and the opening positions of the parallel section 1 661, the parallel section 2 663 and the parallel section 3 665 are uneven. The parallel section 3 665 is located at both ends of the auxiliary plate 68 and compared with the height of the parallel section 1 661 and the parallel section 2 663, the parallel section 3 665 is at the lowest point, and the parallel section 2 663 is located between parallel section one 661 and parallel section three 665. Initially, the second slider 67 is located inside the parallel section two 663, and the roller 64 is located at the fitting point between the anti-seepage membrane and the surface of the tube blank 2. When the second slider 67 is located at the position of the parallel section three 665, the roller 64 is located at the redundant parts on both sides of the anti-seepage membrane. When the second slider 67 is located at the position of the parallel section one 661, the roller 64 is located above the anti-seepage membrane and does not contact the anti-seepage membrane. The control component 66 also includes an inclined section one 662, an inclined section two 664 and an inclined section three 666. The inclined section one 662, the inclined section two 664 and the inclined section three 666 are all opened on the surface of the auxiliary plate 68. The inclined section one 662, the inclined section two 664 and the inclined section three 666 respectively connect the parallel section one 661, the parallel section two 663 and the parallel section three 665 end to end. The top surface of the auxiliary column 62 is fixed to one end of the second slider 67, and the other end of the second slider 67 slides inside the control component 66.

[0041] In the initial state, the roller 64 is located in the middle of the tube blank 2 and contacts the surface of the anti-seepage membrane. The auxiliary column 62 drives the second slider 67 to enter the parallel section 2 663 and roll toward the edge of the tube blank 2, so that the roller 64 pushes and vents the center to the edge of the anti-seepage membrane. When the second slider 67 slides into the inclined section 2 664, since the inclined section 2 664 is inclined downward, the second slider 67 drives the auxiliary column 62 to slide downward, and the two symmetrical rollers 64 approach each other, accurately removing the excess anti-seepage membrane growing on both sides of the tube blank 2. The membrane is squeezed together to prepare for subsequent wrapping and heat sealing. At this time, the auxiliary column 62 drives the auxiliary packaging plate 65 to slide downward through the connecting column 2 653. Since the auxiliary packaging plate 65 is in the shape of a plate, the roller 64 drives the auxiliary packaging plate 65 to tilt downward to contact the membrane surface and start to wrap the anti-seepage membrane around the arc edge of the tube blank 2. A heating wire is provided inside the arc surface 2 651 of the auxiliary packaging plate 65. When wrapping the edge of the tube blank 2, the built-in heating wire is used to locally heat the anti-seepage membrane (lower than the main curing temperature) to make the membrane The material is slightly softened and becomes sticky or fused, fixing the membrane material to the edges of both ends of the tube blank 2. When the second slider 67 slides inside the parallel section three 665, the roller 64 contacts the redundant anti-seepage membrane and drives the auxiliary packaging plate 65 to move horizontally, and the auxiliary packaging plate 65 does not contact the membrane. The roller 64 flattens the tiny wrinkles generated in the edge area during the wrapping process to ensure that the edge is flat and smooth. Since the inclined section three 666 is inclined upward, the roller 64 slides to the inclined section three 666 through the second slider 67 to contact the auxiliary packaging plate 65 is lifted up in an orderly manner and separated from the membrane surface. When the nut 612 drives the roller 64 to return to the center starting point, the second slider 67 is located inside the parallel section 661, and the roller 64 moves toward the middle of the tube blank 2 without contacting the membrane surface, thereby preventing the roller 64 from scraping or pushing the treated membrane surface in the reverse direction during the return process. When the second slider 67 moves to the inside of the inclined section 662, the second slider 67 slides downward from the end of the parallel section 661 to the inside of the inclined section 662. At this time, the roller 64 is located in the middle of the tube blank 2 and contacts the surface of the anti-seepage membrane.

[0042] The screw rotates to drive the nut 612 to move back and forth, driving the roller 64 and the auxiliary packaging plate 65 to automatically complete a complex action sequence from the center to the edge, replacing the complex manual or independent mechanism operation. The design of a pair of rollers 64 and auxiliary packaging plates 65 on the upper and lower sides ensures that the forces on both sides of the tube blank 2 are symmetrically balanced, preventing the tube blank 2 from twisting or deflecting during the edge processing. The roller 64 starts to move from the longitudinal center of the anti-seepage membrane, ensuring that the processing process starts from the flattest area and advances to the edge, with a more reliable effect.

[0043] The pressure range of the cold pressure roller 5 is usually set at 200-300N / cm to ensure the initial tight pressing between the film material and the tube blank 2, while ensuring that most of the gas is effectively discharged. The speed of the cold pressure roller 5 should be maintained at 5-10 meters / minute to prevent excessive friction between the film material and the tube blank 2 and ensure that bubbles can be discharged smoothly.

[0044] The temperature of the hot pressing roller 7 is set between 80-120℃, which can be adjusted according to the different materials of the anti-seepage membrane to ensure that the membrane can be evenly heated within this temperature range and firmly bonded to the tube blank 2. The pressure of the hot pressing roller 7 should be controlled between 300-500N / cm. The pressure is adjusted according to the diameter of the tube blank 2 and the thickness of the anti-seepage membrane to ensure that the membrane material is firmly bonded to the surface of the tube blank 2 to avoid bubbles or uneven sealing.

[0045] Among them, the motor 616 and the heating wire belong to the existing technology, and their structural principles are no longer described in detail. The motor 616 can use the Yaskawa Σ-7 series servo motor. The motor 616 is precisely controlled by the main control PLC through the frequency converter to control the speed and direction, and drive the screw to rotate. The heating wire can use a nickel-chromium alloy heating wire, which has excellent high temperature resistance and stability. The built-in heating wire of the auxiliary packaging board 65 is connected to the on-board terminal through a high-temperature resistant wire, and then connected to the constant temperature control module through a slip ring collector ring (to avoid line entanglement during movement). The constant temperature module receives PLC instructions and supplies power to the heating wire according to the preset temperature (usually 80-120°C). The on-board thermocouple uses real-time temperature feedback to realize closed-loop PID adjustment. This can ensure that the film material will not overheat when wrapping the tube blank 2, and also avoid the problem of loose bonding during the subsequent curing process.

[0046] The implementation principle of the anti-seepage film packaging equipment for UV-cured glass fiber tubes in the embodiment of the present application is as follows: the equipment installs two anti-seepage film strip rolls on the anti-seepage film unwinding mechanism 1 3 above the wrapping and bonding unit and the anti-seepage film unwinding mechanism 2 4 below the wrapping and bonding unit respectively, and the two film strips are precisely guided to the position where they are about to merge with the tube blank 2 through a series of fixed guide rollers, and the inner film tube blank 2 wrapped with glass fiber cloth (continuously moving in a straight line) reaches the pre-bonding point. At the same time, the upper anti-seepage membrane belt is introduced from above, and the lower anti-seepage membrane belt is introduced from below. The tube blank 2 is clamped between the upper and lower anti-seepage membrane belts and enters a pair of relatively rotating cold pressure rollers 5 together. Subsequently, the pressed and wrapped tube blank 2 enters between the reciprocating screw roller group 61. The reciprocating screw roller group 61 can further discharge the local air in the pressed and wrapped tube blank 2 during rolling, and make the pressed and wrapped tube blank 2 pressed more tightly. Each reciprocating screw roller group 61 is composed of two symmetrical reciprocating screws, and the central axis is fixed. The nut 612 is reciprocated by rotating the reciprocating screw roller group 61, and the nut 612 drives the roller 64 and the auxiliary packaging plate 65 to move when reciprocating.

[0047] In the initial state, the roller 64 is located at the longitudinal center of the anti-seepage membrane on the surface of the pressed and wrapped tube blank 2. When the reciprocating screw roller group 61 rotates, the four rollers 64 and the auxiliary packaging plates 65 symmetrically arranged on the upper and lower anti-seepage membrane surfaces of the tube blank 2 roll toward the transverse edge of the anti-seepage membrane. Initially, the position of the auxiliary packaging plates 65 is higher than the roller 64. When rolling, the auxiliary packaging plates 65 fit the surface of the anti-seepage membrane, while the auxiliary packaging plates 65 do not contact the anti-seepage membrane. When the roller 64 moves to the point where the anti-seepage membrane at both ends of the tube blank 2 is longer than the excess part of the tube blank 2, the roller 64 slides downward through the auxiliary column 62. When inside the second tilting section 664, the rollers 64 located symmetrically above and below the two anti-seepage membranes approach each other to squeeze the excess anti-seepage membrane on both sides. At the same time, the auxiliary packaging plate 65 is driven to tilt and move closer to the surface of the anti-seepage membrane during the tilting process of the rollers 64. The auxiliary packaging plate 65 is plate-shaped. When it tilts and moves closer to each other, it wraps the edges of the anti-seepage membrane and the two sides of the tube blank 2. The arc surface 651 of the auxiliary packaging plate 65 fits with the arc surfaces on both sides of the tube blank 2. The anti-seepage membrane is preheated by the heating wire inside the auxiliary packaging plate 65 and fixed to the two ends of the tube blank 2 to avoid displacement during transportation. When the second slider 67 moves to the bottom end of the inclined section 2 664, it will move to the inside of the parallel section 3 665. When the roller 64 moves horizontally, it will flatten the edge of the wrinkles with the membrane on the surface of the tube blank 2 to avoid wrinkles. Then the second slider 67 moves to the inside of the inclined section 3 666, so that the roller 64 moves upward at an angle to drive the auxiliary packaging plate 65 not to contact the anti-seepage membrane. Then the nut 612 slides to one end of the reciprocating screw and moves in the opposite direction so that the auxiliary packaging plate 65 is located inside the upper parallel section 1 661. At this time, the roller 64 does not contact the anti-seepage membrane during the back and forth movement to avoid flattening the anti-seepage membrane in the reverse direction.

[0048] After pre-fixing the two ends, it enters the hot pressing roller 7 to fix the whole body with hot pressing. It should be noted that the middle part of the roller 64 and the auxiliary packaging plate 65 are slightly convex, so that when contacting the anti-seepage membrane, the center contacts first, and the pressure is dispersed to the two ends to avoid edge stress concentration. Because when the roller 64 moves to the edge, the convex design can reduce the biting effect of the end on the membrane.

[0049] The above are merely optional embodiments of the present application and are not intended to limit the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. An anti-seepage membrane packaging device for UV-cured glass fiber tubes, characterized by: The invention comprises an equipment support steel frame (1) and a tube blank (2) transported to the equipment support steel frame (1), wherein the surface of the equipment support steel frame (1) is symmetrically provided with an anti-seepage membrane unwinding mechanism 1 (3) and an anti-seepage membrane unwinding mechanism 2 (4) for installing an anti-seepage membrane coil, a cold pressure roller (5) for preliminarily pressing the upper and lower anti-seepage membranes and the tube blank (2) located between the two anti-seepage membranes is provided between the inner walls of the equipment support steel frame (1), and an auxiliary component (6) for flattening and fixing the folds at both ends of the anti-seepage membrane is provided inside the equipment support steel frame (1); The auxiliary component (6) includes two reciprocating screw roller groups (61) that are rotatably connected to the inner side of the equipment support steel frame (1) and symmetrically arranged. The surface of the reciprocating screw roller group (61) is symmetrically provided with thread grooves (611) for forming a convexity on the surface of the reciprocating screw roller group (61) and reducing the gas between the anti-seepage membrane and the tube blank (2). The outside of the reciprocating screw roller group (61) is provided with an auxiliary column (62) for moving outside the anti-seepage membrane. The bottom of the auxiliary column (62) is provided with a roller (64) with a convex middle portion for preventing the generation of biting edges and an auxiliary packaging plate (65). The inner side of the equipment support steel frame (1) is symmetrically fixedly connected with an auxiliary plate (68). The surface of the auxiliary plate (68) is symmetrically provided with a control component (66) for controlling the contact state of the roller (64), the auxiliary packaging plate (65) and the anti-seepage membrane.

2. The anti-seepage membrane packaging device for UV-curable glass fiber tubes according to claim 1, characterized in that: Both ends of the roller (64) are provided with arc surfaces (641) for forming a convex central portion of the roller (64).

3. The anti-seepage membrane packaging device for UV-curing glass fiber tubes according to claim 2, characterized in that: A second arc surface (651) adapted to the shapes of the two ends of the tube blank (2) is provided on a side of the auxiliary packaging plate (65) away from the roller (64), and inclined surfaces (652) for forming a central convexity of the auxiliary packaging plate (65) are provided at both ends of the second arc surface (651).

4. The anti-seepage membrane packaging device for UV-curing glass fiber tubes according to claim 1, characterized in that: The control component (66) includes a parallel section 1 (661), a parallel section 2 (663) and a parallel section 3 (665) which are opened on the surface of the auxiliary plate (68) and are parallel to the auxiliary plate (68).

5. The anti-seepage membrane packaging device for UV-curable glass fiber tubes according to claim 4, characterized in that: The control assembly (66) further includes an inclined section 1 (662), an inclined section 2 (664), and an inclined section 3 (666) which are opened on the surface of the auxiliary plate (68) and connect the parallel section 1 (661), the parallel section 2 (663), and the parallel section 3 (665) end to end.

6. The anti-seepage membrane packaging device for UV-curing glass fiber tubes according to claim 5, characterized in that: A second sliding block (67) is fixedly connected to the surface of the auxiliary column (62) and is slidably connected to the interior of the control assembly (66).

7. The anti-seepage film packaging device for UV-curable glass fiber tubes according to claim 1, characterized in that: The insides of the two threaded grooves (611) are both slidably connected to reversible nuts (612), the surfaces of the two nuts (612) are both rotatably connected to first sliders (613) that are slidably connected to the auxiliary columns (62), and the inner side of the equipment support steel frame (1) is fixedly connected to a guide rail (614) that is slidably connected to the two first sliders (613).

8. The anti-seepage membrane packaging device for UV-curable glass fiber tubes according to claim 7, characterized in that: Both ends of the two reciprocating screw roller groups (61) are fixedly connected with mutually meshing transmission gears (615), the surface of the equipment support steel frame (1) is fixedly connected with an electric motor (616), the output end of the electric motor (616) is fixedly connected to the surface of one of the reciprocating screw roller groups (61), and a hot pressing roller (7) for hot pressing and fixing the upper and lower anti-seepage membranes to the surface of the tube blank (2) is provided inside the equipment support steel frame (1).

9. The anti-seepage film packaging device for UV-curable glass fiber tubes according to claim 1, characterized in that: A connecting column 1 (63) is fixedly connected to the surface of the auxiliary column (62), which passes through the interior of the roller (64) and is rotatably connected to the roller (64).

10. The anti-seepage film packaging device for UV-curing glass fiber tubes according to claim 9, characterized in that: The surface of the auxiliary column (62) is fixedly connected to a second connecting column (653) which is fixedly connected to the surface of the auxiliary packaging plate (65).

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