A kind of hot bending elbow pipe weld area composite tape winding anticorrosion injection filling equipment

Abstract

This invention discloses a composite strip winding anti-corrosion injection filling device for the weld seam area of ​​hot-bent pipes, comprising a base, a support column fixedly connected to the top of the base, an injection molding component fixedly connected to the top of the support column, a clamping component provided on the side of the injection molding component, the outer surface of the clamping component being fixedly connected to the support column, a winding component provided at the bottom of the injection molding component, the bottom of the winding component being slidably connected to the base, and a cleaning component provided on the side of the winding component, the bottom of the cleaning component being fixedly connected to the base. This invention relates to the field of pipeline anti-corrosion technology. The composite strip winding anti-corrosion injection filling device for the weld seam area of ​​hot-bent pipes includes a leveling structure, which leveles the filler on the pipe surface after injection molding and collects excess filler. The cleaning component includes a cleaning structure, which cleans and collects excess filler overflowing from the composite strip at the pipe end face. The injection molding component covers the pipe.

Description

Technical Field

[0001] This invention relates to the field of pipeline corrosion protection technology, specifically to a composite strip wrapping anti-corrosion injection filling device for the weld area of ​​hot-bent pipes. Background Technology

[0002] Hot-bent pipes primarily use straight-seam submerged arc welded steel pipes. A common characteristic of this type of bend is a longitudinal submerged arc weld seam on its outer surface. Therefore, when applying polyethylene composite tape for corrosion protection, the weld seam's height is higher than the pipe body, causing the circumferentially wrapped polyethylene composite tape on both sides of the weld seam to not fully adhere to the pipe body, easily leading to voids and other corrosion defects. Previous construction specifications recommended using glue sticks or mineral putty to pre-fill and smooth the surface. However, this is only suitable for manually wrapped heat-shrinkable tape corrosion protection. For fully automated polyethylene composite tape reinforced corrosion protection processes, manual filling lacks the time and technological flexibility. Furthermore, for automated polyethylene composite tape wrapping corrosion protection of this type of bend, the industry has tried increasing the wrapping tension and adding special rubber rollers to press the weld seam to address voids in the weld area, but the results are inconsistent and cannot accurately eliminate the inherent defects of this type of bend corrosion protection. Hollow areas in the anti-corrosion coating reduce its impact resistance and are highly susceptible to failure, leading to corrosion failure of the pipe body and thus posing a risk to pipeline operation and shortening the service life of the pipe.

[0003] Therefore, a solution can be implemented to fill the void areas. After epoxy powder coating and before polyethylene composite tape wrapping, an injection molding machine extrusion station is set up to continuously extrude a certain width of plastic filler onto the weld seam of the bend, which is always above the neutral plane of the bend. Then, composite tape is wrapped around the surface of the plastic filler. This effectively solves the void problem and makes the adhesion stronger, completely changing the weak characteristics of this location. However, after injecting and filling the pipe surface with plastic filler and then wrapping the composite tape, excess plastic filler often overflows from the composite tape at the pipe end. If the excess filler is not cleaned up, it will affect the subsequent pipe connection. Summary of the Invention

[0004] To achieve the above objectives, the present invention provides the following technical solution: a hot-bent pipe weld area composite strip winding anti-corrosion injection filling device, comprising a base, a support column fixedly connected to the top of the base, an injection molding component fixedly connected to the top of the support column, a clamping component provided on the side of the injection molding component, the outer surface of the clamping component being fixedly connected to the support column, a winding component provided at the bottom of the injection molding component, the bottom of the winding component being slidably connected to the base, a cleaning component provided on the side of the winding component, the bottom of the cleaning component being fixedly connected to the base, the winding component including a leveling structure, which leveles the filler on the pipe surface after injection molding and collects excess filler, the cleaning component including a cleaning structure, which cleans and collects excess filler overflowing from the composite strip at the pipe end face, clamping the pipe to be wound onto the clamping component, and the injection molding component... The pipe is wrapped, and after wrapping, the clamping component rotates. The injection molding component fills the pipe with plastic filler. After the wrapping is formed, the injection molding component opens, and the clamping component rotates, driving the winding component to move along the pipe for winding. Before winding, the leveling component on the winding component scrapes the plastic filler on the pipe surface, smoothing out uneven areas and collecting excess filler, improving winding quality and saving production costs. After leveling the pipe surface, the winding component moves to wrap the pipe surface with composite tape. After winding, excess plastic filler overflows from the composite tape at the pipe end. The cleaning structure cleans and collects the excess filler overflowing from the composite tape at the pipe end, ensuring that the pipe end connection is clean and facilitates pipe connection. At the same time, the excess filler is collected, filtered, and used for subsequent purposes, saving production costs.

[0005] Furthermore, the injection-molded component includes an injection-molded tube, the side of which is fixedly connected to a support column, and the top of which is fixedly connected to a feed cylinder. Both sides of the injection-molded tube are rotatably connected to arc-shaped shells, and the end of the injection-molded tube furthest from the support column is rotatably connected to an end cap. An outlet hole is provided at the bottom of the injection-molded tube. When injection-molded filler is needed on the pipe surface, the arc-shaped shells on both sides of the injection-molded tube will rotate and merge, and the end cap will also rotate and close, covering the pipe. The filler enters from the feed cylinder and exits through the outlet hole of the injection-molded tube to fill the pipe surface. After filling is complete and slightly formed, the arc-shaped shells and end caps will open to facilitate subsequent winding processing of the pipe. The injection-molded component is open, and subsequent winding processing does not require a second positioning, saving processing time and improving processing efficiency.

[0006] Furthermore, the clamping component includes a clamping motor, the outer surface of which is fixedly connected to the support column. A transmission structure is fixedly connected to the output shaft of the clamping motor. An end plate is provided on the side of the transmission structure, and the inner wall of the end plate is rotatably connected to the output shaft of the clamping motor. A clamping structure is provided on the side of the end plate, and the side of the clamping structure is fixedly connected to the output shaft of the clamping motor. The clamping structure includes a rotating shaft, one end of which is fixedly connected to the output shaft of the clamping motor. A clamping telescopic rod is fixedly connected to the inner wall of the rotating shaft. A gear is fixedly connected to the side of the clamping telescopic rod, and a gear meshes with the side of the gear. A clamping shell is fixedly connected to one end of the rotating shaft, and the side of the gear is rotatably connected to the clamping shell. A rack meshes with the side of the gear, and the side of the rack is slidably connected to the clamping shell. A support rod is fixedly connected to the top of the rack. An elastic pad is fixedly connected to the top of the support rod, and a heating rod is installed between adjacent support rods. The top of the heating rod is fixedly connected to a gear. When clamping the pipe, the pipe is placed on the support rod, the clamping telescopic rod extends and drives the rack to slide. The rack drives the gear to rotate and drive the rack to slide. The rack pushes the support rod outward, causing the elastic pad to press against the inner wall of the pipe, thus clamping the pipe. The extension and retraction of the clamping telescopic rod can adjust the clamping size of the support rod to accommodate pipes with different inner diameters, improving the usability of the device. At the same time, the sliding of the rack will drive the heating rod on the rack to move closer to the pipe. The heating rod heats the pipe during the injection of filler. Heating the pipe surface during injection can maintain the fluidity of the filler outside the pipe, ensure uniform injection of filler, and improve injection quality. After clamping, the clamping motor drives the clamping structure to rotate, causing the pipe to rotate. At this time, the injection component uniformly fills the pipe surface.

[0007] Furthermore, the transmission structure includes a pulley, the inner wall of which is rotatably connected to the output shaft of the clamping motor. A friction disc is provided on the side of the pulley, and the inner wall of the friction disc is slidably connected to the output shaft of the clamping motor. A friction telescopic rod is fixedly connected to the side of the friction telescopic rod, and a fixed disc is fixedly connected to the side of the friction telescopic rod. The inner wall of the fixed disc is fixedly connected to the output shaft of the clamping motor. A belt is rotatably connected to the outer surface of the pulley, and a screw is rotatably connected to the end of the belt away from the pulley. One end of the screw is rotatably connected to the support column. When the winding component is working, the clamping motor drives the fixed disc to rotate, the fixed disc drives the friction telescopic rod to rotate, and the friction telescopic rod extends to bring the friction disc into contact with the pulley. The friction force drives the pulley to rotate, and the pulley drives the belt to rotate, which in turn drives the screw to rotate, providing power to the winding component.

[0008] Furthermore, the winding component includes a slide block, the bottom of which is slidably connected to the base, the inner wall of which is threadedly connected to the screw, a slant bracket fixedly connected to the top of the slide block, a winch fixedly connected to the top of the slant bracket, and a leveling structure provided on the side of the winch. The bottom of the leveling structure is fixedly connected to the slide block. After the plastic filler on the pipe surface is injection molded, the clamping motor drives the fixed plate to rotate, the fixed plate drives the friction telescopic rod to rotate the friction plate, the friction telescopic rod extends and drives the friction plate to contact the pulley, and the friction force drives the pulley to rotate. The pulley drives the belt to rotate the screw, and the rotation of the screw drives the slide block to slide along the pipe axis. The slide block drives the slant bracket to slide the winch, and the composite tape is wound on the winch, sticking the belt to the plastic filler. At this time, the clamping motor drives the clamping component to rotate the pipe, and the rotation of the pipe winds the composite tape on the winch onto the pipe surface.

[0009] Furthermore, the leveling structure includes a base box, the bottom of which is fixedly connected to a slide block. A fixing frame is fixedly connected to the side of the base box, and a leveling telescopic rod is fixedly connected to the top of the fixing frame. A middle plate is fixedly connected to the top of the leveling telescopic rod, and an elastic folding plate is fixedly connected to the top of the middle plate. An arc-shaped pressure plate is fixedly connected to the top of the elastic folding plate, and a wedge-shaped scraper is fixedly connected to the top of the base box. Before the composite tape is wound, the rotating pipe will first come into contact with the wedge-shaped scraper, which scrapes away the uneven filler on the pipe surface. In addition, the scraped-off filler will fall into the bottom box for collection and reuse. After the filler is scraped off, the flattening telescopic rod will extend and press the middle plate against the elastic folding plate. The elastic folding plate is compressed, applying pressure to the arc-shaped pressure plate. The arc-shaped pressure plate applies pressure to the pipe surface. At this time, the pipe is still rotating, and the arc-shaped pressure plate further flattens the pipe surface, providing a flat surface for winding the composite tape and improving the winding quality. At the same time, the extension and retraction of the flattening telescopic rod can change the compression length of the elastic folding plate and adjust the pressure of the arc-shaped pressure plate to meet various processing requirements and improve the applicability of the equipment.

[0010] Furthermore, the cleaning component includes a cleaning seat, the side of which is fixedly connected to a base. A cleaning telescopic rod is fixedly connected to the top of the cleaning seat. A cleaning structure is fixedly connected to one end of the cleaning telescopic rod. The bottom of the cleaning structure is slidably connected to the cleaning seat. The cleaning structure includes a collection box. A cleaning cylinder is fixedly connected to the top of the collection box. A cleaning motor is fixedly connected to the inner wall of the cleaning cylinder. A spiral blade is fixedly connected to the output shaft of the cleaning motor. A mesh is fixedly connected to the end of the cleaning cylinder away from the cleaning motor. A partition is provided on the side of the cleaning motor. The surface of the partition is fixedly connected to the cleaning cylinder. A filter screen is fixedly connected to the inner wall of the collection box. A heating plate is fixedly connected to the outer surface of the collection box. After the pipe surface is wound, excess filler overflows from one end of the pipe. The cleaning telescopic rod extends and drives the cleaning seat to slide towards the pipe. The cleaning cylinder contacts the pipe, and the cleaning motor drives the spiral blade to rotate, scraping off the excess filler overflowing from the pipe end face. The scraped filler will be transferred to the filter screen. The heating plate heats the collection box and its interior, and the scraped filler is liquefied by the heat. The liquefied filler will then flow into the collection box through the filter screen, completing the collection. Impurities generated during grinding are filtered out, and the filler overflowing from the pipe is scraped off in time to ensure the quality of subsequent pipe connections. At the same time, excess filler is filtered and collected for reuse, saving production costs.

[0011] This invention provides a composite strip wound anti-corrosion injection filling device for the weld area of ​​hot-bent pipes. It has the following beneficial effects:

[0012] 1. This hot-bending pipe weld seam composite tape winding anti-corrosion injection filling equipment is equipped with components. The pipe to be wound is clamped onto the clamping components. The injection components wrap the pipe. After wrapping the pipe, the clamping components rotate, and the injection components fill the pipe with plastic filler. After the wrapping is formed, the injection components open. As the clamping components rotate, they drive the winding components to move along the pipe for winding. Before winding, the leveling components on the winding components scrape the plastic filler on the pipe surface, smoothing out uneven areas and collecting excess filler, improving winding quality and saving production costs. After leveling the pipe surface, the winding components move to wrap the composite tape around the pipe surface. After winding, excess plastic filler overflows from the composite tape at the pipe end face. The cleaning structure cleans and collects the excess filler overflowing from the composite tape at the pipe end face, ensuring a clean pipe end face connection for easy pipe connection. At the same time, the collected excess filler is filtered for subsequent use, saving production costs.

[0013] 2. This hot-bent pipe weld area composite strip wrapping anti-corrosion injection molding filling equipment is equipped with a clamping structure. When the pipe needs to be clamped, the pipe is placed on the support rod. The clamping telescopic rod extends, driving the rack to slide. The rack drives the gear to rotate, which in turn drives the rack to slide. The rack pushes the support rod outward, causing the elastic pad to press against the inner wall of the pipe, thus clamping the pipe. The extension and retraction of the clamping telescopic rod can adjust the clamping size of the support rod to accommodate pipes with different inner diameters, improving the usability of the device. At the same time, the sliding of the rack will drive the heating rod on the rack to approach the pipe. The heating rod heats the pipe during injection molding. Heating the pipe surface during injection molding can maintain the fluidity of the filler outside the pipe, ensuring uniform injection molding and improving injection molding quality.

[0014] 3. This hot-bent pipe weld area composite tape winding and anti-corrosion injection filling equipment is equipped with a leveling structure. Before winding the composite tape, the rotating pipe will first come into contact with the wedge-shaped scraper. The wedge-shaped scraper will scrape off the uneven filler on the pipe surface. The scraped filler will fall into the bottom box for collection and reuse. After scraping off the filler, the leveling telescopic rod will extend and press the middle plate against the elastic folding plate. The elastic folding plate is compressed and applies pressure to the arc-shaped pressure plate. The arc-shaped pressure plate applies pressure to the pipe surface. At this time, the pipe is still rotating, and the arc-shaped pressure plate further flattens the pipe surface, providing a flat surface for winding the composite tape and improving the winding quality. At the same time, the extension and retraction of the leveling telescopic rod can change the compression length of the elastic folding plate and adjust the pressure of the arc-shaped pressure plate to meet various processing requirements and improve the applicability of the equipment.

[0015] 4. This hot-bent pipe weld seam composite strip wrapping anti-corrosion injection filling equipment is equipped with a cleaning structure. After the pipe surface is wrapped, excess filler overflows from one end of the pipe. The cleaning telescopic rod extends and drives the cleaning seat to slide towards the pipe. The cleaning cylinder contacts the pipe, and the cleaning motor drives the spiral blade to rotate, scraping off the excess filler overflowing from the pipe end face. The scraped filler is transferred to the filter screen, and the heating plate heats the collection and internal parts. The scraped filler is heated and liquefied. The liquefied filler flows through the filter screen into the collection box for collection. Impurities generated during grinding are filtered out. The timely scraping off of filler overflowing from the pipe ensures the quality of subsequent pipe connections. At the same time, excess filler is filtered and collected for reuse, saving production costs. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the hot-bending pipe weld area composite strip wrapping anti-corrosion injection filling equipment of the present invention.

[0017] Figure 2 This is a schematic diagram of the injection-molded component of the present invention;

[0018] Figure 3 This is a schematic diagram of the material outlet of the present invention;

[0019] Figure 4 This is a schematic diagram of the clamping component of the present invention;

[0020] Figure 5 This is a schematic diagram of the transmission structure of the present invention;

[0021] Figure 6 This is a schematic diagram of the clamping structure of the present invention;

[0022] Figure 7 This is a schematic diagram of the structure of the winding component of the present invention;

[0023] Figure 8 This is a schematic diagram of the structure of the rational flattened structure of the present invention;

[0024] Figure 9 This is a schematic diagram of the cleaning component of the present invention;

[0025] Figure 10 This is a schematic diagram of the cleaning structure of the present invention.

[0026] In the diagram: 1. Base; 2. Support column; 3. Injection molding component; 4. Clamping component; 5. Winding component; 6. Cleaning component; 31. Injection molding tube; 32. Feed cylinder; 33. Arc-shaped shell; 34. End cap; 35. Discharge hole; 41. Clamping motor; 42. Transmission structure; 43. Clamping structure; 44. End plate; 421. Pulley; 422. Friction disc; 423. Friction telescopic rod; 424. Fixed disc; 425. Belt; 426. Screw; 431. Rotating shaft; 432. Clamping telescopic rod; 433. Gear rack; 434. Gear; 435. Rack; 436. Support rod; 437. Elastic pad; 438. Heating rod; 439. Clamping shell; 51. Slide seat; 52. Inclined frame; 53. Winch drum; 54. Leveling structure; 541. Base box; 542. Fixing frame; 543. Leveling telescopic rod; 544. Intermediate plate; 545. Elastic folding plate; 546. Arc-shaped pressure plate; 547. Wedge-shaped scraper; 61. Cleaning seat; 62. Cleaning telescopic rod; 63. Cleaning structure; 631. Collection box; 632. Cleaning cylinder; 633. Cleaning motor; 634. Spiral blade; 635. Partition plate; 636. Mesh screen; 637. Filter screen; 638. Heating plate. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] For the first embodiment, please refer to... Figure 1This invention provides a technical solution: a composite tape wrapping and anti-corrosion injection filling device for hot-bent pipe weld areas, comprising a base 1, a support column 2 fixedly connected to the top of the base 1, an injection molding component 3 fixedly connected to the top of the support column 2, a clamping component 4 provided on the side of the injection molding component 3, the outer surface of the clamping component 4 fixedly connected to the support column 2, a wrapping component 5 provided at the bottom of the injection molding component 3, the bottom of the wrapping component 5 slidably connected to the base 1, a cleaning component 6 provided on the side of the wrapping component 5, the bottom of the cleaning component 6 fixedly connected to the base 1, the wrapping component 5 including a leveling structure 54, the leveling structure 54 leveling the filler on the pipe surface after injection molding and collecting excess filler, the cleaning component 6 including a cleaning structure 63, the cleaning structure 63 cleaning and collecting excess filler overflowing from the composite tape at the pipe end face, the pipe to be wrapped is clamped on the clamping component 4, and the injection molding component 3 wraps the pipe. After the pipe is wrapped, the clamping component 4 rotates, and the injection molding component 3 fills the plastic filler into the injection molding component 3 to wrap the pipe. After the wrapping is formed, the injection molding component 3 opens, and the clamping component 4 rotates, which drives the winding component 5 to move along the pipe to wind it. Before winding, the leveling component on the winding component 5 will scrape the plastic filler on the pipe surface, which can smooth the filler in uneven areas and collect the excess filler, improve the winding quality and save production costs. After the pipe surface is leveled, the winding component 5 moves to wrap the pipe surface with composite tape. After winding, the excess plastic filler will overflow from the composite tape at the pipe end face. The cleaning structure 63 cleans and collects the excess filler overflowing from the composite tape at the pipe end face in a timely manner, ensuring that the pipe end face connection is clean and conducive to pipe connection. At the same time, the excess filler is collected, filtered and used for subsequent use, saving production costs.

[0029] During operation, the pipe to be wound is clamped onto the clamping component 4. The injection molding component 3 wraps the pipe. After wrapping the pipe, the clamping component 4 rotates, and the injection molding component 3 fills the pipe with plastic filler. After the wrapping is completed, the injection molding component 3 opens. As the clamping component 4 rotates, it drives the winding component 5 to move along the pipe and wind it. Before winding, the leveling component on the winding component 5 scrapes the plastic filler on the pipe surface, smoothing out any uneven areas and collecting excess filler to improve the winding quality. After leveling the pipe surface, the winding component 5 moves to wrap the pipe surface with a composite tape. After winding, excess plastic filler overflows from the composite tape at the pipe end. The cleaning structure 63 cleans and collects the excess filler overflowing from the composite tape at the pipe end, ensuring that the pipe end connection is clean and easy for pipe connection. At the same time, the excess filler is collected, filtered, and used for subsequent applications.

[0030] Second embodiment, please refer to Figures 2-6This invention provides a technical solution: the injection molding component 3 includes an injection molding tube 31, the side of the injection molding tube 31 is fixedly connected to the support column 2, the top of the injection molding tube 31 is fixedly connected to the feed cylinder 32, both sides of the injection molding tube 31 are rotatably connected to arc-shaped shells 33, the end of the injection molding tube 31 away from the support column 2 is rotatably connected to an end cap 34, and the bottom of the injection molding tube 31 is provided with a discharge hole 35. When it is necessary to inject filling material onto the surface of the pipe, the arc-shaped shells 33 on both sides of the injection molding tube 31 will rotate and merge, and the end cap 34 will also rotate and close, covering the pipe. The filling material enters from the feed cylinder 32 and exits from the discharge hole 35 of the injection molding tube 31 to inject filling material onto the surface of the pipe. After filling is completed and slightly shaped, the arc-shaped shells 33 and the end cap 34 will open to facilitate subsequent winding processing of the pipe. The injection molding component 3 is open, and subsequent winding processing does not require a second positioning, saving processing time and improving processing efficiency.

[0031] The clamping component 4 includes a clamping motor 41, the outer surface of which is fixedly connected to the support column 2. A transmission structure 42 is fixedly connected to the output shaft of the clamping motor 41. An end plate 44 is provided on the side of the transmission structure 42, and the inner wall of the end plate 44 is rotatably connected to the output shaft of the clamping motor 41. A clamping structure 43 is provided on the side of the end plate 44, and the side of the clamping structure 43 is fixedly connected to the output shaft of the clamping motor 41. The clamping structure 43 includes a rotating shaft 431, one end of which is connected to the output shaft of the clamping motor 41. A fixed connection is made, with a clamping telescopic rod 432 fixedly connected to the inner wall of the rotating shaft 431. A rack 433 is fixedly connected to the side of the clamping telescopic rod 432, and a gear 434 meshes with the side of the rack 433. A clamping shell 439 is fixedly connected to one end of the rotating shaft 431. The side of the gear 434 is rotatably connected to the clamping shell 439. A rack 435 is meshed with the side of the gear 434. The side of the rack 435 is slidably connected to the clamping shell 439. A support rod 436 is fixedly connected to the top of the rack 435. The top of the support rod 436 is fixedly connected to... An elastic pad 437 is fixedly connected to the pipe. A heating rod 438 is installed between adjacent support rods 436. The top of the heating rod 438 is fixedly connected to the gear 434. When the pipe needs to be clamped, the pipe is placed on the support rod 436. The clamping telescopic rod 432 extends, causing the rack 433 to slide. The rack 433 drives the gear 434 to rotate, causing the rack 435 to slide. The rack 435 pushes the support rod 436 outward, causing the elastic pad 437 to press against the inner wall of the pipe, thus clamping the pipe. The clamping telescopic rod 432 is adjustable in length and retraction. The clamping dimensions of the entire rod 436 are adapted to accommodate pipes with different inner diameters, improving the usability of the device. At the same time, the sliding of the rack 435 will drive the heating rod 438 on the rack 435 to approach the pipe. The heating rod 438 heats the pipe during the injection of filler. Heating the pipe surface during injection can maintain the fluidity of the filler outside the pipe, ensure uniform injection of filler, and improve injection quality. After clamping, the clamping motor 41 drives the clamping structure 43 to rotate, which in turn drives the pipe to rotate. At this time, the injection component 3 uniformly fills the pipe surface.

[0032] The transmission structure 42 includes a pulley 421, the inner wall of which is rotatably connected to the output shaft of the clamping motor 41. A friction disc 422 is provided on the side of the pulley 421, the inner wall of which is slidably connected to the output shaft of the clamping motor 41. A friction telescopic rod 423 is fixedly connected to the side of the friction telescopic rod 423, and a fixed disc 424 is fixedly connected to the side of the friction telescopic rod 423. The inner wall of the fixed disc 424 is fixedly connected to the output shaft of the clamping motor 41. A belt 425 is rotatably connected to the outer surface of the pulley 421. A screw 426 is rotatably connected to the end of the belt 425 away from the pulley 421. One end of the screw 426 is rotatably connected to the support column 2. When the winding component 5 is working, the clamping motor 41 drives the fixed plate 424 to rotate. The fixed plate 424 drives the friction telescopic rod 423 to drive the friction plate 422 to rotate. The friction telescopic rod 423 extends and drives the friction plate 422 to contact the pulley 421. The friction force drives the pulley 421 to rotate. The pulley 421 drives the belt 425 to drive the screw 426 to rotate, providing power to the winding component 5.

[0033] During operation, the pipe is placed on the support rod 436. The extension of the clamping telescopic rod 432 causes the rack 433 to slide. The rack 433 drives the gear 434 to rotate, which in turn drives the rack 435 to slide. The rack 435 pushes the support rod 436 outward, causing the elastic pad 437 to press against the inner wall of the pipe, thus clamping the pipe. The extension and retraction of the clamping telescopic rod 432 can adjust the clamping size of the support rod 436 to accommodate pipes of different inner diameters, improving the usability of the device. At the same time, the sliding of the rack 435 will cause the heating rod 438 on the rack 435 to move closer to the pipe. The heating rod 438 provides pressure to the pipe during injection molding. The pipe is heated during injection molding. Heating the pipe surface during injection molding maintains the fluidity of the filler outside the pipe, ensuring uniform filling and improving injection molding quality. After clamping, the clamping motor 41 drives the clamping structure 43 to rotate, which in turn drives the pipe to rotate. The arc-shaped shells 33 on both sides of the injection pipe 31 will rotate and merge, and the end caps 34 will also rotate and close, covering the pipe. The filler enters from the feed cylinder 32 and exits from the discharge hole 35 of the injection pipe 31 to fill the pipe surface. After filling is completed and slightly shaped, the arc-shaped shells 33 and end caps 34 will open to facilitate subsequent winding processing of the pipe.

[0034] Third embodiment, please refer to Figures 7-10The present invention provides a technical solution: the winding component 5 includes a slide 51, the bottom of which is slidably connected to the base 1, the inner wall of which is threadedly connected to the screw 426, the top of which is fixedly connected to a slant bracket 52, the top of which is fixedly connected to a winch 53, and the side of the winch 53 is provided with a leveling structure 54, the bottom of which is fixedly connected to the slide 51. After the plastic filler on the pipe surface is injection molded, the clamping motor 41 drives the fixed plate 424 to rotate, and the fixed plate 424 drives the friction telescopic rod 423 to drive the friction plate 424. 22 rotates, the friction telescopic rod 423 extends and drives the friction disc 422 to contact the pulley 421, and the pulley 421 rotates by friction. The pulley 421 drives the belt 425 to drive the screw 426 to rotate. The rotation of the screw 426 drives the slide 51 to slide along the pipeline axis. The slide 51 drives the inclined frame 52 to drive the winch 53 to slide. The composite belt is wound on the winch 53 and the belt 425 is stuck to the plastic filler. At this time, the clamping motor 41 drives the clamping component 4 to drive the pipeline to rotate. As a result, the pipeline rotates and the composite belt on the winch 53 is wound onto the pipeline surface.

[0035] The leveling structure 54 includes a base box 541, the bottom of which is fixedly connected to a slide 51. A fixing frame 542 is fixedly connected to the side of the base box 541. A leveling telescopic rod 543 is fixedly connected to the top of the fixing frame 542. A middle plate 544 is fixedly connected to the top of the leveling telescopic rod 543. An elastic folding plate 545 is fixedly connected to the top of the middle plate 544. An arc-shaped pressure plate 546 is fixedly connected to the top of the elastic folding plate 545. A wedge-shaped scraper 547 is fixedly connected to the top of the base box 541. Before the composite tape is wrapped, the rotating pipe will first come into contact with the wedge-shaped scraper 547, which scrapes away the uneven filler on the pipe surface. The scraped-off filler will fall into the bottom box 541 for collection and reuse. After the filler is scraped off, the leveling telescopic rod 543 will extend and press the intermediate plate 544 against the elastic folding plate 545. The elastic folding plate 545 is compressed, applying pressure to the arc-shaped pressure plate 546. The arc-shaped pressure plate 546 applies pressure to the pipe surface. At this time, the pipe is still rotating, and the arc-shaped pressure plate 546 further flattens the pipe surface, providing a flat surface for winding the composite tape and improving the winding quality. At the same time, the extension and retraction of the leveling telescopic rod 543 can change the compression length of the elastic folding plate 545 and adjust the pressure of the arc-shaped pressure plate 546 to meet various processing requirements and improve the applicability of the equipment.

[0036] The cleaning component 6 includes a cleaning seat 61, the side of which is fixedly connected to the base 1. A cleaning telescopic rod 62 is fixedly connected to the top of the cleaning seat 61. A cleaning structure 63 is fixedly connected to one end of the cleaning telescopic rod 62. The bottom of the cleaning structure 63 is slidably connected to the cleaning seat 61. The cleaning structure 63 includes a collection box 631. A cleaning cylinder 632 is fixedly connected to the top of the collection box 631. A cleaning motor 633 is fixedly connected to the inner wall of the cleaning cylinder 632. A spiral blade 634 is fixedly connected to the output shaft of the cleaning motor 633. A mesh 636 is fixedly connected to the end of the cleaning cylinder 632 away from the cleaning motor 633. A partition 635 is provided on the side of the cleaning motor 633. The surface of the partition 635 is fixedly connected to the cleaning cylinder 632. A filter screen is fixedly connected to the inner wall of the collection box 631. A heating plate 638 is fixedly connected to the outer surface of the collection box 631. After the pipe surface is wound, excess filler overflows from one end of the pipe. The cleaning telescopic rod 62 extends and drives the cleaning seat 61 to slide towards the pipe. The cleaning cylinder 632 contacts the pipe, and the cleaning motor 633 drives the spiral blade 634 to rotate, scraping off the excess filler overflowing from the pipe end face. The scraped filler will be transferred to the filter screen 637. The heating plate 638 heats the collection box and the inside, and the scraped filler is heated and liquefied. The liquefied filler will flow into the collection box 631 through the filter screen 637 to complete the collection. Impurities generated by grinding are filtered out, and the filler overflowing from the pipe is scraped off in time to ensure the quality of subsequent pipe connection. At the same time, excess filler is filtered and collected for reuse, saving production costs.

[0037] During operation, the clamping motor 41 drives the fixed plate 424 to rotate, which in turn drives the friction telescopic rod 423 to rotate the friction plate 422. The friction telescopic rod 423 extends, causing the friction plate 422 to contact the pulley 421, utilizing friction to rotate the pulley 421. The pulley 421 then drives the belt 425 to rotate the screw 426. The rotation of the screw 426 causes the slide block 51 to slide along the pipe axis. The slide block 51 drives the inclined frame 52 to slide the winch 53. The composite belt winds around the winch 53, thus controlling the belt 422... 5. Adhesive to the plastic packing, the clamping motor 41 drives the clamping component 4 to rotate the pipe. The rotating pipe then winds the composite tape on the winch 53 onto the pipe surface. Before winding the composite tape, the rotating pipe first contacts the wedge-shaped scraper 547, which scrapes away the uneven packing on the pipe surface. The scraped-off packing falls into the bottom box 541 for collection and reuse. After scraping off the packing, the leveling telescopic rod 543 extends and presses the intermediate plate 544 against the elastic folding plate 545. The elastic folding plate 545 is compressed, thus... The arc-shaped pressure plate 546 applies pressure to the pipe surface while the pipe is still rotating. The arc-shaped pressure plate 546 further flattens the pipe surface, providing a smooth surface for the composite tape winding and improving the winding quality. At the same time, the extension and retraction of the leveling telescopic rod 543 changes the compression length of the elastic folding plate 545, adjusting the pressure of the arc-shaped pressure plate 546. After the pipe surface is wound, excess filler overflows from one end of the pipe. The cleaning telescopic rod 62 extends, causing the cleaning seat 61 to slide towards the pipe. The cleaning cylinder 632 contacts the pipe, and the cleaning motor 633 drives the spiral blade 634 to rotate, scraping off the excess filler overflowing from the pipe end face. The scraped filler is transferred to the filter screen 637. The heating plate 638 heats the collection and internal parts, liquefying the scraped filler. The liquefied filler then flows through the filter screen 637 into the collection box 631 for collection. Impurities generated during grinding are filtered out, and the overflowing filler from the pipe is scraped off in time to ensure the quality of subsequent pipe connections. At the same time, excess filler is filtered and collected for reuse.

[0038] Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A composite strip wrapping anti-corrosion injection filling device for hot-bent pipe weld area, comprising a base (1), wherein a support column (2) is fixedly connected to the top of the base (1), characterized in that: The top of the support column (2) is fixedly connected to an injection molding component (3), and a clamping component (4) is provided on the side of the injection molding component (3). The outer surface of the clamping component (4) is fixedly connected to the support column (2). A winding component (5) is provided at the bottom of the injection molding component (3). The bottom of the winding component (5) is slidably connected to the base (1). A cleaning component (6) is provided on the side of the winding component (5). The bottom of the cleaning component (6) is fixedly connected to the base (1). The winding component (5) includes a leveling structure (54), which levels the filler on the surface and collects excess filler after injection molding on the pipe surface. The cleaning component (6) includes a cleaning structure (63), which cleans and collects excess filler overflowing from the inside of the composite tape at the pipe end face. The injection molding component (3) includes an injection molding tube (31), the side of which is fixedly connected to the support column (2); The clamping component (4) includes a clamping motor (41), the outer surface of which is fixedly connected to the support column (2), and the output shaft of the clamping motor (41) is fixedly connected to a transmission structure (42). The winding component (5) includes a slide (51), the bottom of which is slidably connected to the base (1), the inner wall of which is threadedly connected to the screw (426), the top of which is fixedly connected to a slant bracket (52), the top of which is fixedly connected to a winch drum (53), the side of which is provided with a leveling structure (54), the bottom of which is fixedly connected to the slide (51); The leveling structure (54) includes a base box (541), the bottom of which is fixedly connected to a slide (51), a fixing frame (542) is fixedly connected to the side of the base box (541), a leveling telescopic rod (543) is fixedly connected to the top of the fixing frame (542), a middle plate (544) is fixedly connected to the top of the leveling telescopic rod (543), an elastic folding plate (545) is fixedly connected to the top of the middle plate (544), an arc-shaped pressure plate (546) is fixedly connected to the top of the elastic folding plate (545), and a wedge-shaped scraper (547) is fixedly connected to the top of the base box (541). The cleaning component (6) includes a cleaning seat (61), the side of the cleaning seat (61) is fixedly connected to the base (1), the top of the cleaning seat (61) is fixedly connected to a cleaning telescopic rod (62), one end of the cleaning telescopic rod (62) is fixedly connected to a cleaning structure (63), and the bottom of the cleaning structure (63) is slidably connected to the cleaning seat (61). The cleaning structure (63) includes a collection box (631), a cleaning cylinder (632) is fixedly connected to the top of the collection box (631), a cleaning motor (633) is fixedly connected to the inner wall of the cleaning cylinder (632), a spiral blade (634) is fixedly connected to the output shaft of the cleaning motor (633), a mesh (636) is fixedly connected to the end of the cleaning cylinder (632) away from the cleaning motor (633), a partition (635) is provided on the side of the cleaning motor (633), the surface of the partition (635) is fixedly connected to the cleaning cylinder (632), a filter screen (637) is fixedly connected to the inner wall of the collection box (631), and a heating plate (638) is fixedly connected to the outer surface of the collection box (631).

2. The hot-bent pipe weld area composite strip winding anti-corrosion injection filling equipment according to claim 1, characterized in that: The top of the injection tube (31) is fixedly connected to the feed cylinder (32), and both sides of the injection tube (31) are rotatably connected to the arc shell (33). The end of the injection tube (31) away from the support column (2) is rotatably connected to the end cap (34), and the bottom of the injection tube (31) is provided with a discharge hole (35).

3. The hot-bent pipe weld area composite strip winding anti-corrosion injection filling equipment according to claim 1, characterized in that: The transmission structure (42) has an end plate (44) on its side. The inner wall of the end plate (44) is rotatably connected to the output shaft of the clamping motor (41). The end plate (44) has a clamping structure (43) on its side. The side of the clamping structure (43) is fixedly connected to the output shaft of the clamping motor (41).

4. The hot-bent pipe weld area composite strip winding anti-corrosion injection filling equipment according to claim 3, characterized in that: The transmission structure (42) includes a pulley (421), the inner wall of which is rotatably connected to the output shaft of the clamping motor (41), a friction disc (422) is provided on the side of the pulley (421), the inner wall of which is slidably connected to the output shaft of the clamping motor (41), a friction telescopic rod (423) is fixedly connected to the side of the friction disc (422), a fixed disc (424) is fixedly connected to the side of the friction telescopic rod (423), the inner wall of which is fixedly connected to the output shaft of the clamping motor (41), a belt (425) is rotatably connected to the outer surface of the pulley (421), a screw (426) is rotatably connected to the end of the belt (425) away from the pulley (421), and one end of the screw (426) is rotatably connected to the support column (2).

5. The hot-bent pipe weld area composite strip winding anti-corrosion injection filling equipment according to claim 4, characterized in that: The clamping structure (43) includes a rotating shaft (431), one end of which is fixedly connected to the output shaft of a clamping motor (41). A clamping telescopic rod (432) is fixedly connected to the inner wall of the rotating shaft (431). A rack (433) is fixedly connected to the side of the clamping telescopic rod (432), and a gear (434) meshes with the side of the rack (433). A clamping shell (439) is fixedly connected to one end of the rotating shaft (431), and the gear (434)... The side of the gear (434) is rotatably connected to the clamping shell (439). The side of the gear (434) is meshed with a rack (435). The side of the rack (435) is slidably connected to the clamping shell (439). A support rod (436) is fixedly connected to the top of the rack (435). An elastic pad (437) is fixedly connected to the top of the support rod (436). A heating rod (438) is provided between adjacent support rods (436). The heating rod (438) is fixedly installed on the rack (435).

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