Macromolecule flow guide pipe lining spraying equipment and technology

Abstract

The invention relates to the field of flow guide pipe lining machining, and particularly discloses macromolecule flow guide pipe lining spraying equipment and process, the macromolecule flow guide pipe lining spraying equipment comprises a frame, a material conveying device, a grinding device, a heating furnace and a spraying device, and the material conveying device, the grinding device, the heating furnace and the spraying device are all installed on the frame; the spraying device comprises a primer spraying mechanism and a finishing paint spraying mechanism, and the polishing device, the primer spraying mechanism, the heating furnace and the finishing paint spraying mechanism are sequentially arranged from the feeding end to the discharging end of the conveying device; the grinding device is used for grinding the inner wall and the end face of the flow guide pipe. The primer spraying mechanism and the finish paint spraying mechanism are both used for spraying the inner wall and the end face of the flow guide pipe. The machining efficiency of the paint layer of the flow guide pipe is improved.

Description

Technical Field

[0001] The present application relates to the field of guide tube lining processing, and in particular to a polymer guide tube lining spraying device and process. Background Art

[0002] At present, the lining of the guide pipe is formed by vulcanization of the inner lining rubber or polytetrafluoroethylene hot pressing molding process. In order to better protect the guide pipe lining, a polymer primer and a polymer topcoat are sprayed on the surface of the guide pipe lining.

[0003] In the related art, before spraying the paint layer on the guide tube, the guide tube is first cleaned manually, then polished manually with a handheld grinder, and finally sprayed on the surface of the guide tube with a handheld spray gun.

[0004] The above-mentioned related technologies have the following defects: during the processing of the paint layer, manual operation is required throughout the process, which is inefficient. Summary of the invention

[0005] In order to improve the processing efficiency of the guide tube paint layer, the present application provides a polymer guide tube lining spraying equipment and process.

[0006] The polymer flow guide pipe lining spraying equipment and process provided in this application adopt the following technical solutions: A polymer flow guide pipe lining spraying device, comprising a frame, a feeding device, a grinding device, a heating furnace and a spraying device, wherein the feeding device, the grinding device, the heating furnace and the spraying device are all installed on the frame; The spraying device comprises a primer spraying mechanism and a topcoat spraying mechanism, and from the feeding end to the discharging end of the feeding device, there are the polishing device, the primer spraying mechanism, the heating furnace and the topcoat spraying mechanism in sequence; The grinding device is used to grind the inner wall and end surface of the guide tube; The primer spraying mechanism and the topcoat spraying mechanism are both used for spraying the inner wall and the end face of the guide tube.

[0007] By adopting the above technical solution, the guide tube is transported by the feeding device, so that the guide tube passes through the grinding device, the primer spraying mechanism, the heating furnace and the topcoat spraying mechanism in sequence. The grinding device is used to grind the inner wall and the end face of the guide tube. The primer spraying mechanism sprays primer on the inner wall and the end face of the guide tube. The heating furnace dries the primer on the guide tube. The topcoat spraying mechanism sprays topcoat on the surface of the primer. In the present application, the guide tube is grinded and painted by the coordinated cooperation between the grinding device, the primer spraying mechanism, the heating furnace, the topcoat spraying mechanism and the feeding device, thereby improving the processing efficiency of the paint layer of the guide tube.

[0008] Optionally, the feeding device comprises a first conveying chain and a second conveying chain, wherein the first conveying chain and the second conveying chain are arranged side by side on the frame and have the same conveying direction; A temporary parking rack is provided between the first conveying chain and the second conveying chain; The first conveying chain is provided with a first suspension arm on the feeding side and a second suspension arm on the discharging side; The feeding side of the second conveying chain is provided with a third suspension arm, and the discharging side is provided with a fourth suspension arm; The grinding device is arranged between the first conveying chain and the temporary parking rack; The primer spraying mechanism is arranged between the polishing device and the temporary parking rack; The second conveyor chain passes through the heating furnace; The topcoat spraying mechanism is arranged on a side of the second conveying chain away from the temporary parking rack.

[0009] By adopting the above technical solution, the first suspension arm is used to move the guide tube to the first conveyor chain. The first conveyor chain is used to transport the guide tube to the polishing device. The second suspension arm is used to transport the guide tube at the polishing device to the primer spraying mechanism, and to transport the guide tube at the primer spraying mechanism to the temporary parking rack. The third suspension arm is used to transport the guide tube at the temporary parking rack to the second conveyor chain. The second conveyor chain transports the guide tube, passes the guide tube through the heating furnace, and transports the guide tube dried in the heating furnace to the topcoat spraying mechanism. The fourth suspension arm is used to transport the guide tube at the topcoat spraying mechanism to a designated location for storage.

[0010] Optionally, the grinding device includes a first driving roller mechanism, a movable bracket and an inner wall grinding mechanism, the first driving roller mechanism includes two first rotating rollers, and the first rotating rollers are arranged along the width direction of the first conveying chain; The two first rotating rollers are spaced apart along the length direction of the first conveying chain and are both rotatably connected to the frame; The movable bracket is arranged at one end of the first rotating roller at intervals, and is installed on the frame in a liftable manner, and is also movably connected to the frame in the width direction of the first conveying chain; The inner wall grinding mechanism includes an extension rod and an annular grinding stone, wherein the extension rod is arranged between the movable bracket and the first rotating roller and is arranged along the width direction of the first conveying chain; One end of the extension rod is liftably mounted on the movable bracket, and the other end is connected to the annular grinding stone.

[0011] By adopting the above technical solution, the first driving roller mechanism carries the guide tube, the guide tube is arranged along the length direction of the first rotating roller, and the guide tube is located on the two first rotating rollers. When the first rotating rollers rotate, the guide tube can be driven to rotate under the action of friction. The annular grinding stone extends into the rotating guide tube and contacts the inner wall of the guide tube, so that the inner wall of the guide tube is polished by the annular grinding stone.

[0012] Optionally, the extension rod is arranged between the two first rollers.

[0013] By adopting the above technical solution, when the extension rod descends, the annular grinding stone can press the guide tube between the two first rollers, so that the guide tube can be clamped by the annular grinding stone and the first rollers, so that the first rollers can stably and effectively drive the guide tube to rotate, and the annular grinding stone can stably and effectively grind the guide tube.

[0014] Optionally, the annular grinding stone is coaxially sleeved on the extension rod; The extension rod is rotatably connected to the movable bracket.

[0015] By adopting the above technical solution, when one side of the annular grinding stone is worn to the point of being unusable, the annular grinding stone can be rotated so that the unworn side of the annular grinding stone can grind the guide tube, thereby increasing the service life of the annular grinding stone.

[0016] Optionally, the grinding device further comprises an end surface grinding mechanism, and the end surface grinding mechanism is arranged on a side of the first driving roller mechanism away from the first conveying chain; The end surface grinding mechanism comprises an end surface telescopic member and an end surface grinding stone, and the end surface telescopic member is arranged along the length direction of the first conveying chain; The end surface grinding stone is arranged between the end surface telescopic member and the inner wall grinding mechanism, and is connected to the first end of the end surface telescopic member; The second end of the end surface telescopic member is movably mounted on the frame in the width direction of the first conveying chain.

[0017] By adopting the above technical solution, when the inner wall grinding mechanism grinds the guide tube, the guide tube can be clamped by the annular grinding stone and the first roller, so that the guide tube is not easy to move along the length direction of the first roller during the rotation process. At this time, the end face telescopic member moves to the end face of the guide tube and extends, so that the end face grinding stone approaches the end face of the guide tube to grind the guide tube.

[0018] Optionally, the polishing device further includes an internal dust removal mechanism and an external dust removal mechanism, wherein the external dust removal mechanism is arranged between the inner wall polishing mechanism and the end face polishing mechanism, and the internal dust removal mechanism is arranged on a side of the inner wall polishing mechanism away from the end face polishing mechanism; The internal dust removal mechanism includes an air extraction pipe and a plurality of rollers, wherein the air extraction pipe is arranged between the movable bracket and the first rotating roller and is arranged along the width direction of the first conveying chain; In the length direction of the first conveying chain, the air outlet end of the air extraction pipe is movably mounted on the movable bracket; A plurality of suction holes are provided on the side wall of the air extraction pipe; The roller is coaxially and rotatably mounted on the outer side wall of the exhaust pipe, and a plurality of the rollers are spaced apart in the length direction of the exhaust pipe; The external dust removal mechanism and the internal dust removal mechanism have the same structure.

[0019] By adopting the above technical solution, when the inner wall grinding mechanism and the end face grinding mechanism are grinding the guide tube, the internal dust removal mechanism extends into the guide tube to absorb the waste chips generated inside the guide tube during the grinding process. The external dust removal mechanism is located at the end face grinding mechanism of the guide tube to absorb the waste chips generated on the end face of the guide tube during the grinding process.

[0020] Optionally, the primer spraying mechanism includes a second drive roller assembly and a first spray gun, and the second drive roller assembly is arranged on a side of the first drive roller mechanism away from the first conveying chain; The second driving roller assembly includes two second rotating rollers, and the second rotating rollers are arranged along the width direction of the first conveying chain; The two second rotating rollers are spaced apart along the length direction of the first conveying chain and are both rotatably connected to the frame; The first spray gun is arranged at one end of the second rotating roller and is installed on the frame in a liftable manner. In the width direction of the first conveying chain, the first spray gun is also movably connected to the frame.

[0021] By adopting the above technical solution, the second driving roller mechanism carries the guide tube, the guide tube is arranged along the length direction of the second roller, and the guide tube is located on the two second rollers. When the second rollers rotate, the guide tube can be driven to rotate under the action of friction. The first spray gun extends into the rotating guide tube to spray paint on the inner wall of the guide tube.

[0022] Optionally, the primer spraying mechanism further comprises a second spray gun, and the second spray gun is arranged on a side of the second driving roller assembly away from the first conveying chain; The second spray gun is movably mounted on the frame in both the width direction of the first conveyor chain and the length direction of the first conveyor chain; The topcoat spraying mechanism and the primer spraying mechanism have the same structure.

[0023] By adopting the above technical solution, the second spray gun moves toward the end face of the rotating guide tube to spray paint on the end face of the guide tube.

[0024] A polymer flow guide pipe lining spraying process, based on the polymer flow guide pipe lining spraying equipment described above, comprises the following steps: Grinding, the feeding device transports the guide tube to the grinding device, and the grinding device grinds the inner wall and end face of the guide tube; Spraying primer, the feeding device transports the guide tube from the grinding device to the primer spraying mechanism, and the primer spraying mechanism sprays primer on the inner wall and end face of the guide tube; Drying the primer, the feeding device carries the guide pipe after spraying the primer through the heating furnace, and the heating furnace dries the primer on the guide pipe; Spraying topcoat, the feeding device transports the guide tube after drying the primer to the topcoat spraying mechanism, and the topcoat spraying mechanism sprays topcoat on the surface of the primer.

[0025] By adopting the above technical solution, the guide tube is transported by the feeding device, so that the guide tube passes through the grinding device, the primer spraying mechanism, the heating furnace and the topcoat spraying mechanism in sequence. The grinding device is used to grind the inner wall and the end face of the guide tube. The primer spraying mechanism sprays primer on the inner wall and the end face of the guide tube. The heating furnace dries the primer on the guide tube. The topcoat spraying mechanism sprays topcoat on the surface of the primer. In the present application, the guide tube is grinded and painted by the coordinated cooperation between the grinding device, the primer spraying mechanism, the heating furnace, the topcoat spraying mechanism and the feeding device, thereby improving the processing efficiency of the paint layer of the guide tube.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. In the present application, the guide tube is polished and painted by the coordinated cooperation between the polishing device, the primer spraying mechanism, the heating furnace, the topcoat spraying mechanism and the feeding device, thereby improving the processing efficiency of the guide tube paint layer.

[0027] 2. In the present application, the first driving roller mechanism carries the guide tube, which is arranged along the length direction of the first roller, and is located between the two first rollers. When the first rollers rotate, the guide tube can be driven to rotate under the action of friction, and the annular grinding stone extends into the rotating guide tube and contacts the inner wall of the guide tube, so that the inner wall of the guide tube is polished by the annular grinding stone.

[0028] 3. In the present application, when the extension rod descends, the annular grinding stone can just press the guide tube between the two first rollers, so that the guide tube can be clamped by the annular grinding stone and the first rollers, so that the first rollers can stably and effectively drive the guide tube to rotate, and the annular grinding stone can stably and effectively grind the guide tube. At the same time, after the guide tube is clamped and limited, the end face telescopic member moves toward the end face of the guide tube and extends, so that the end face grinding stone approaches the end face of the guide tube to grind the guide tube, so that the inner wall grinding mechanism and the end face grinding mechanism grind the guide tube at the same time, thereby improving the grinding efficiency.

[0029] 4. In the present application, the second driving roller mechanism carries the guide tube, which is arranged along the length direction of the second roller, and is located between the two second rollers. When the second rollers rotate, the guide tube can be driven to rotate under the action of friction, and the first spray gun extends into the rotating guide tube to spray paint on the inner wall of the guide tube, and the second spray gun moves toward the end face of the rotating guide tube to spray paint on the end face of the guide tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0031] Figure 1 It is a schematic diagram of the overall structure of a polymer flow guide pipe lining spraying equipment; Figure 2 The present invention is a schematic diagram of the process flow of the polymer flow guide pipe lining spraying process.

[0032] Reference numerals: 1. Frame; 2. Feeding device; 21. First suspension arm; 22. First conveying chain; 23. Second suspension arm; 24. Temporary parking rack; 25. Third suspension arm; 26. Second conveying chain; 27. Fourth suspension arm; 3. Grinding device; 31. First driving roller mechanism; 310. First rotating roller; 32. Movable bracket; 33. Inner wall grinding mechanism; 331. Extension rod; 332. Annular grinding stone; 34. End surface grinding Mechanism; 341, end face telescopic member; 342, end face grinding stone; 35, internal dust removal mechanism; 351, exhaust pipe; 35101, air suction hole; 352, roller; 36, external dust removal mechanism; 4, spraying device; 41, primer spraying mechanism; 411, second drive roller assembly; 4110, second rotating roller; 412, first spray gun; 413, second spray gun; 42, topcoat spraying mechanism; 5, heating furnace; 6, guide tube. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-2 This application is described in further detail.

[0034] The embodiments of the present application disclose a polymer flow guide pipe lining spraying device and process.

[0035] Reference Figure 1 A polymer flow guide lining spraying device comprises a frame 1, a feeding device 2, a grinding device 3, a heating furnace 5 and a spraying device 4, wherein the feeding device 2, the grinding device 3, the heating furnace 5 and the spraying device 4 are all mounted on the frame 1. The spraying device 4 comprises a primer spraying mechanism 41 and a topcoat spraying mechanism 42, and from the feeding end to the discharging end of the feeding device 2, there are the grinding device 3, the primer spraying mechanism 41, the heating furnace 5 and the topcoat spraying mechanism 42 in sequence.

[0036] Reference Figure 1 The feeding device 2 includes a first conveying chain 22 and a second conveying chain 26, which are arranged side by side on the frame 1 and have the same conveying direction. A temporary parking rack 24 is provided between the first conveying chain 22 and the second conveying chain 26. A first suspension arm 21 is provided on the feeding side of the first conveying chain 22, and a second suspension arm 23 is provided on the discharging side. A third suspension arm 25 is provided on the feeding side of the second conveying chain 26, and a fourth suspension arm 27 is provided on the discharging side. The grinding device 3 is provided between the first conveying chain 22 and the temporary parking rack 24. A primer spraying mechanism 41 is provided between the grinding device 3 and the temporary parking rack 24. The second conveying chain 26 passes through the heating furnace 5. The topcoat spraying mechanism 42 is provided on the side of the second conveying chain 26 away from the temporary parking rack 24.

[0037] Reference Figure 1 The grinding device 3 is used to grind the inner wall and end face of the flow guide tube 6. The primer spraying mechanism 41 and the topcoat spraying mechanism 42 are both used to spray the inner wall and end face of the flow guide tube 6.

[0038] Reference Figure 1In the embodiment of the present application, the guide tube 6 is transported by the feeding device 2, so that the guide tube 6 passes through the grinding device 3, the primer spraying mechanism 41, the heating furnace 5 and the topcoat spraying mechanism 42 in sequence. The first suspension arm 21 is used to move the guide tube 6 to the first conveying chain 22. The first conveying chain 22 is used to transport the guide tube 6 to the grinding device 3. The second suspension arm 23 is used to transport the guide tube 6 at the grinding device 3 to the primer spraying mechanism 41, and to transport the guide tube 6 at the primer spraying mechanism 41 to the temporary parking rack 24. The third suspension arm 25 is used to transport the guide tube 6 at the temporary parking rack 24 to the second conveying chain 26. The second conveying chain 26 transports the guide tube 6, so that the guide tube 6 passes through the heating furnace 5, and transports the guide tube 6 dried by the heating furnace 5 to the topcoat spraying mechanism 42. The fourth suspension arm 27 is used to transport the guide tube 6 at the topcoat spraying mechanism 42 to a designated location for storage. The grinding device 3 is used to grind the inner wall and end face of the guide tube 6. The primer spraying mechanism 41 sprays primer on the inner wall and end face of the guide tube 6. The heating furnace 5 dries the primer on the guide tube 6. The topcoat spraying mechanism 42 sprays topcoat on the surface of the primer. In the present application, the guide tube 6 is grinded and painted by the coordinated cooperation between the grinding device 3, the primer spraying mechanism 41, the heating furnace 5, the topcoat spraying mechanism 42 and the feeding device 2, thereby improving the processing efficiency of the paint layer of the guide tube 6.

[0039] Reference Figure 1 The grinding device 3 includes a first driving roller mechanism 31, a movable bracket 32 ​​and an inner wall grinding mechanism 33. The first driving roller mechanism 31 includes two first rotating rollers 310, and the first rotating rollers 310 are arranged along the width direction of the first conveying chain 22. The two first rotating rollers 310 are spaced apart along the length direction of the first conveying chain 22, and are both rotatably connected to the frame 1. The movable bracket 32 ​​is spaced apart at one end of the first rotating roller 310, and is movably mounted on the frame 1 through a lifting member such as a first lifting cylinder, and is movably connected to the frame 1 in the width direction of the first conveying chain 22 through a linear displacement component such as a first guide rail. In the present application, the first telescopic cylinder is installed on the first guide rail, and the lifting and displacement of the movable bracket 32 ​​in the width direction of the first conveying chain 22 are driven by the coordinated cooperation of the first telescopic cylinder and the first guide rail.

[0040] Reference Figure 1The inner wall grinding mechanism 33 includes an extension rod 331 and an annular grinding stone 332. The extension rod 331 is arranged between the movable bracket 32 ​​and the first roller 310 and is arranged along the width direction of the first conveying chain 22. The extension rod 331 is arranged between the two first rollers 310. One end of the extension rod 331 is installed on the movable bracket 32 ​​in a liftable manner through a lifting member such as a second lifting cylinder, and the other end is connected to the annular grinding stone 332. The annular grinding stone 332 is coaxially sleeved on the extension rod 331. The extension rod 331 is rotatably connected to the movable bracket 32 ​​through a servo motor.

[0041] Reference Figure 1 The grinding device 3 also includes an end face grinding mechanism 34, which is arranged on the side of the first driving roller mechanism 31 away from the first conveying chain 22. The end face grinding mechanism 34 includes an end face telescopic member 341 and an end face grinding stone 342. The end face telescopic member 341 is a telescopic member such as a first telescopic cylinder, and the end face telescopic member 341 is arranged along the length direction of the first conveying chain 22. The end face grinding stone 342 is arranged between the end face telescopic member 341 and the inner wall grinding mechanism 33, and is connected to the first end of the end face telescopic member 341. In the width direction of the first conveying chain 22, the second end of the end face telescopic member 341 is movably mounted on the frame 1 through a linear displacement component such as a second guide rail.

[0042] Reference Figure 1 In the embodiment of the present application, the first driving roller mechanism 31 carries the guide tube 6, and the guide tube 6 is arranged along the length direction of the first rotating roller 310, and the guide tube 6 is located between the two first rotating rollers 310. When the first rotating rollers 310 rotate, the guide tube 6 can be driven to rotate under the action of friction. The annular grinding stone 332 extends into the rotating guide tube 6 and contacts the inner wall of the guide tube 6, so that the inner wall of the guide tube 6 is polished by the annular grinding stone 332. The extension rod 331 is arranged between the two first rotating rollers 310. When the extension rod 331 descends, the annular grinding stone 332 can just press the guide tube 6 between the two first rotating rollers 310, so that the guide tube 6 can be clamped by the annular grinding stone 332 and the first rotating rollers 310, so that the first rotating rollers 310 can stably and effectively drive the guide tube 6 to rotate, and the annular grinding stone 332 can stably and effectively polish the guide tube 6. When one side of the annular grinding stone 332 is worn to the point where it cannot be used, the annular grinding stone 332 can be rotated so that the unworn side of the annular grinding stone 332 can grind the flow guide tube 6, thereby increasing the service life of the annular grinding stone 332. When the inner wall grinding mechanism 33 grinds the flow guide tube 6, the flow guide tube 6 can be clamped by the annular grinding stone 332 and the first rotating roller 310, so that the flow guide tube 6 is not easily moved along the length direction of the first rotating roller 310 during the rotation process. At this time, the end face telescopic member 341 moves toward the end face of the flow guide tube 6 and extends, so that the end face grinding stone 342 approaches the end face of the flow guide tube 6 to grind the flow guide tube 6.

[0043] Reference Figure 1 The grinding device 3 further includes an internal dust removal mechanism 35 and an external dust removal mechanism 36. The external dust removal mechanism 36 is arranged between the inner wall grinding mechanism 33 and the end face grinding mechanism 34. The internal dust removal mechanism 35 is arranged on the side of the inner wall grinding mechanism 33 away from the end face grinding mechanism 34. The internal dust removal mechanism 35 includes an exhaust pipe 351 and a plurality of rollers 352. The exhaust pipe 351 is arranged between the movable bracket 32 ​​and the first rotating roller 310, and is arranged along the width direction of the first conveying chain 22. In the length direction of the first conveying chain 22, the air outlet end of the exhaust pipe 351 is movably mounted on the movable bracket 32 ​​through a telescopic member such as a second telescopic cylinder. A plurality of suction holes 35101 are arranged on the side wall of the exhaust pipe 351. The roller 352 is coaxially and rotatably mounted on the outer side wall of the exhaust pipe 351, and in the length direction of the exhaust pipe 351, the plurality of rollers 352 are spaced apart. The external dust removal mechanism 36 and the internal dust removal mechanism 35 have the same structure.

[0044] Reference Figure 1 In the embodiment of the present application, when the inner wall grinding mechanism 33 and the end surface grinding mechanism 34 are grinding the guide tube 6, the internal dust removal mechanism 35 extends into the guide tube 6 to absorb the waste generated inside the guide tube 6 during the grinding process. The external dust removal mechanism 36 is located at the end surface grinding mechanism 34 of the guide tube 6 to absorb the waste generated on the end surface of the guide tube 6 during the grinding process.

[0045] Reference Figure 1 The primer spraying mechanism 41 includes a second driving roller assembly 411, a first spray gun 412 and a second spray gun 413. The second driving roller assembly 411 is arranged on the side of the first driving roller mechanism 31 away from the first conveying chain 22. The second driving roller assembly 411 includes two second rollers 4110, and the second rollers 4110 are arranged along the width direction of the first conveying chain 22. The two second rollers 4110 are spaced apart along the length direction of the first conveying chain 22, and are both rotatably connected to the frame 1. The first spray gun 412 is spaced apart at one end of the second roller 4110, and is movably mounted on the frame 1 through a lifting member such as a third lifting cylinder, and is also movably connected to the frame 1 through a linear displacement component such as a third guide rail in the width direction of the first conveying chain 22. The second spray gun 413 is arranged on the side of the second driving roller assembly 411 away from the first conveying chain 22. In the width direction of the first conveyor chain 22, the second spray gun 413 is movably mounted on the frame 1 through a linear displacement assembly such as a fourth guide rail, and in the length direction of the first conveyor chain 22, the second spray gun 413 is movably mounted on the frame 1 through a linear displacement assembly such as a fifth guide rail, wherein the fourth guide rail is mounted on the fifth guide rail, so as to achieve displacement of the second spray gun 413 in the length direction and the width direction of the first conveyor chain 22. The topcoat spraying mechanism 42 and the primer spraying mechanism 41 have the same structure.

[0046] Reference Figure 1 In the embodiment of the present application, the second driving roller mechanism carries the guide tube 6, and the guide tube 6 is arranged along the length direction of the second rotating roller 4110, and the guide tube 6 is located between the two second rotating rollers 4110. When the second rotating rollers 4110 rotate, the guide tube 6 can be driven to rotate under the action of friction. The first spray gun 412 extends into the rotating guide tube 6 to spray paint on the inner wall of the guide tube 6. The second spray gun 413 moves toward the end face of the rotating guide tube 6 to spray paint on the end face of the guide tube 6. The topcoat spraying mechanism 42 and the primer spraying mechanism 41 have the same structure, and the topcoat is sprayed on the surface of the primer, and the spraying method of the topcoat is the same as the spraying method of the primer.

[0047] Reference Figure 2 A polymer guide pipe lining spraying process, based on the above-mentioned polymer guide pipe lining spraying equipment, includes the following steps: Grinding: the feeding device 2 transports the guide tube 6 to the grinding device 3, and the grinding device 3 grinds the inner wall and end surface of the guide tube 6; Spraying primer, the feeding device 2 transports the guide tube 6 from the grinding device 3 to the primer spraying mechanism 41, and the primer spraying mechanism 41 sprays primer on the inner wall and end face of the guide tube 6; Drying the primer: the feeding device 2 carries the guide pipe 6 after the primer is sprayed through the heating furnace 5, and the heating furnace 5 dries the primer on the guide pipe 6; Spraying the topcoat, the feeding device 2 transports the guide tube 6 after drying the primer to the topcoat spraying mechanism 42, and the topcoat spraying mechanism 42 sprays the topcoat on the surface of the primer.

[0048] In the embodiment of the present application, the guide tube 6 is transported by the feeding device 2, so that the guide tube 6 passes through the grinding device 3, the primer spraying mechanism 41, the heating furnace 5 and the topcoat spraying mechanism 42 in sequence. The grinding device 3 is used to grind the inner wall and the end face of the guide tube 6. The primer spraying mechanism 41 sprays primer on the inner wall and the end face of the guide tube 6. The heating furnace 5 dries the primer on the guide tube 6. The topcoat spraying mechanism 42 sprays topcoat on the surface of the primer. In the present application, the guide tube 6 is grinded and painted by the coordinated cooperation between the grinding device 3, the primer spraying mechanism 41, the heating furnace 5, the topcoat spraying mechanism 42 and the feeding device 2, thereby improving the processing efficiency of the paint layer of the guide tube 6.

[0049] The implementation principle of a polymer flow guide pipe lining spraying device and process in the embodiment of the present application is: The guide tube 6 is transported by the feeding device 2, so that the guide tube 6 passes through the grinding device 3, the primer spraying mechanism 41, the heating furnace 5 and the topcoat spraying mechanism 42 in sequence. The grinding device 3 is used to grind the inner wall and the end face of the guide tube 6. The primer spraying mechanism 41 sprays primer on the inner wall and the end face of the guide tube 6. The heating furnace 5 dries the primer on the guide tube 6. The topcoat spraying mechanism 42 sprays topcoat on the surface of the primer. In the present application, the guide tube 6 is grinded and painted by the coordinated cooperation between the grinding device 3, the primer spraying mechanism 41, the heating furnace 5, the topcoat spraying mechanism 42 and the feeding device 2, thereby improving the processing efficiency of the paint layer of the guide tube 6.

[0050] Unless otherwise defined, the technical terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which this application belongs. The words "first", "second", "third" and similar words used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. "One" or "one" and similar words do not indicate a quantitative limit, but indicate that there is at least one. "Include" or "comprise" and similar words mean that the elements or objects appearing before "include" or "comprise" include the elements or objects listed after "include" or "comprise" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0051] The above are all optional embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A polymer flow guide pipe lining spraying equipment, characterized in that: It comprises a frame (1), a feeding device (2), a grinding device (3), a heating furnace (5) and a spraying device (4), wherein the feeding device (2), the grinding device (3), the heating furnace (5) and the spraying device (4) are all mounted on the frame (1); The spraying device (4) comprises a primer spraying mechanism (41) and a topcoat spraying mechanism (42), and from the feeding end to the discharging end of the feeding device (2), there are the polishing device (3), the primer spraying mechanism (41), the heating furnace (5) and the topcoat spraying mechanism (42) in sequence; The grinding device (3) is used to grind the inner wall and end surface of the flow guide tube (6); The primer spraying mechanism (41) and the topcoat spraying mechanism (42) are both used to spray paint onto the inner wall and end surface of the guide tube (6); The material conveying device (2) comprises a first conveying chain (22) and a second conveying chain (26), wherein the first conveying chain (22) and the second conveying chain (26) are arranged side by side on the frame (1) and have the same conveying direction; A temporary parking rack (24) is provided between the first conveying chain (22) and the second conveying chain (26); The first conveying chain (22) is provided with a first suspension arm (21) on the feeding side, and a second suspension arm (23) on the discharging side; The feeding side of the second conveying chain (26) is provided with a third suspension arm (25), and the discharging side is provided with a fourth suspension arm (27); The grinding device (3) is arranged between the first conveying chain (22) and the temporary parking rack (24); The primer spraying mechanism (41) is arranged between the polishing device (3) and the temporary parking rack (24); The second conveying chain (26) passes through the heating furnace (5); The topcoat spraying mechanism (42) is arranged on a side of the second conveying chain (26) away from the temporary parking rack (24); The grinding device (3) comprises a first driving roller mechanism (31), a movable bracket (32) and an inner wall grinding mechanism (33), wherein the first driving roller mechanism (31) comprises two first rotating rollers (310), and the first rotating rollers (310) are arranged along the width direction of the first conveying chain (22); The two first rotating rollers (310) are spaced apart along the length direction of the first conveying chain (22), and are both rotatably connected to the frame (1); The movable bracket (32) is arranged at intervals at one end of the first rotating roller (310), and is installed on the frame (1) in a liftable manner, and is also movably connected to the frame (1) in the width direction of the first conveying chain (22); The inner wall grinding mechanism (33) comprises an extension rod (331) and an annular grinding stone (332); the extension rod (331) is arranged between the movable bracket (32) and the first rotating roller (310), and is arranged along the width direction of the first conveying chain (22); One end of the extension rod (331) is movably mounted on the movable bracket (32), and the other end is connected to the annular grinding stone (332); The extension rod (331) is arranged between the two first rotating rollers (310); The annular grinding stone (332) is coaxially sleeved on the extension rod (331); The extension rod (331) is rotatably connected to the movable bracket (32); The grinding device (3) further comprises an end surface grinding mechanism (34), wherein the end surface grinding mechanism (34) is arranged on a side of the first driving roller mechanism (31) away from the first conveying chain (22); The end surface grinding mechanism (34) comprises an end surface telescopic member (341) and an end surface grinding stone (342); the end surface telescopic member (341) is arranged along the length direction of the first conveying chain (22); The end surface grinding stone (342) is arranged between the end surface telescopic member (341) and the inner wall grinding mechanism (33), and is connected to the first end of the end surface telescopic member (341); In the width direction of the first conveying chain (22), the second end of the end surface telescopic member (341) is movably mounted on the frame (1); The grinding device (3) further comprises an internal dust removal mechanism (35) and an external dust removal mechanism (36), wherein the external dust removal mechanism (36) is arranged between the inner wall grinding mechanism (33) and the end surface grinding mechanism (34), and the internal dust removal mechanism (35) is arranged on a side of the inner wall grinding mechanism (33) away from the end surface grinding mechanism (34); The internal dust removal mechanism (35) comprises an air extraction pipe (351) and a plurality of rollers (352); the air extraction pipe (351) is arranged between the movable bracket (32) and the first rotating roller (310), and is arranged along the width direction of the first conveying chain (22); In the length direction of the first conveying chain (22), the air outlet end of the air extraction pipe (351) is movably mounted on the movable bracket (32); A plurality of suction holes (35101) are provided on the side wall of the air extraction pipe (351); The roller (352) is coaxially and rotatably mounted on the outer wall of the air extraction pipe (351), and a plurality of the rollers (352) are distributed at intervals in the length direction of the air extraction pipe (351); The external dust removal mechanism (36) and the internal dust removal mechanism (35) have the same structure.

2. The polymer flow guide pipe lining spraying equipment according to claim 1 is characterized in that: The primer spraying mechanism (41) comprises a second driving roller assembly (411) and a first spray gun (412); the second driving roller assembly (411) is arranged on a side of the first driving roller mechanism (31) away from the first conveying chain (22); The second driving roller assembly (411) comprises two second rotating rollers (4110), and the second rotating rollers (4110) are arranged along the width direction of the first conveying chain (22); The two second rotating rollers (4110) are spaced apart along the length direction of the first conveying chain (22), and are both rotatably connected to the frame (1); The first spray gun (412) is arranged at intervals at one end of the second rotating roller (4110), and is installed on the frame (1) in a liftable manner, and is also movably connected to the frame (1) in the width direction of the first conveyor chain (22).

3. The polymer flow guide pipe lining spraying equipment according to claim 2 is characterized in that: The primer spraying mechanism (41) further comprises a second spray gun (413), wherein the second spray gun (413) is arranged on a side of the second driving roller assembly (411) away from the first conveying chain (22); The second spray gun (413) is movably mounted on the frame (1) in both the width direction of the first conveying chain (22) and the length direction of the first conveying chain (22); The topcoat spraying mechanism (42) and the primer spraying mechanism (41) have the same structure.

4. A polymer flow guide pipe lining spraying process, based on a polymer flow guide pipe lining spraying equipment as claimed in any one of claims 1 to 3, characterized in that: The following steps are involved: Grinding, the feeding device (2) transports the guide tube (6) to the grinding device (3), and the grinding device (3) grinds the inner wall and end surface of the guide tube (6); Spraying primer, the feeding device (2) transports the guide tube (6) from the grinding device (3) to the primer spraying mechanism (41), and the primer spraying mechanism (41) sprays primer onto the inner wall and end face of the guide tube (6); Drying the primer, the feeding device (2) carries the guide pipe (6) after spraying the primer through the heating furnace (5), and the heating furnace (5) dries the primer on the guide pipe (6); Spraying the topcoat, the feeding device (2) transports the guide pipe (6) after the primer is dried to the topcoat spraying mechanism (42), and the topcoat spraying mechanism (42) sprays the topcoat on the surface of the primer.

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