Pipe fitting surfacing equipment and surfacing method

Abstract

The invention belongs to the technical field of surfacing equipment, particularly relates to pipe surfacing equipment and a surfacing method, and aims at solving the problems that in the using process of existing surfacing equipment, the inner wall and the outer wall of a pipe are inconvenient to quickly switch and weld, so that the welding efficiency is affected, and meanwhile, a protection mechanism is not provided. In order to solve the problem that the working environment is severe due to high temperature and gas generated by welding, the invention provides the following scheme: the device comprises a support; the surfacing welding machine comprises a support, a surfacing welding machine body, a welding control power source and a welding control system, the surfacing welding machine body, the welding control power source and the welding control system are all installed on the top of the support, a mechanical movement mechanism is connected to the surfacing welding machine body, and a plasma welding gun is connected to the mechanical movement mechanism. And meanwhile, a protection mechanism is arranged, so that the situation that the working environment is severe due to high temperature and gas generated by welding is avoided, the structure is simple, and use is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of cladding equipment, and in particular to a pipe cladding equipment and a cladding method. Background Art

[0002] Plasma cladding machine is a device that uses plasma arc as a heat source for cladding. The high temperature generated by the plasma arc rapidly heats the alloy powder and the substrate surface and melts, mixes, diffuses, and solidifies to form a high-performance alloy layer, thereby strengthening and hardening the surface of parts. Plasma cladding machine mainly includes automatic welding control power supply, cladding machine body, welding control system, mechanical motion mechanism and plasma welding gun to meet different welding needs.

[0003] The patent document with publication number: CN117733585B discloses a pipe surfacing equipment and a surfacing method, which include: a base plate; a rotating module, which is installed in the middle of the base plate, and the rotating module is used to support the pipe and drive the pipe to rotate at a uniform speed; a U-shaped frame, which is arranged at the upper end of the base plate, and the lower end of the U-shaped frame is equipped with an electric slider that drives the U-shaped frame to move at a uniform speed; a rectangular frame, which is installed at the lower end of the middle of the U-shaped frame, and the rectangular frame is a hollow structure; a grinding module, which is installed on the left side of the rectangular frame, and the grinding module is used to grind and clean the pipe; a surfacing module, which is installed in the middle of the rectangular frame, and the surfacing module is used to uniformly transport the flux to the pipe and weld the pipe; a recovery module, which is installed on the right side of the rectangular frame, and the recovery module is used to recycle unused flux to the surfacing module.

[0004] However, the above patent document is not convenient for quickly switching welding between the inner wall and the outer wall of the pipe during use, which affects the welding efficiency. At the same time, it does not have a protective mechanism, and the high temperature and gas generated by welding lead to a harsh working environment. For this reason, we propose a pipe cladding equipment and cladding method to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art that the cladding equipment is not convenient for quickly switching welding between the inner wall and the outer wall of the pipe during use, which affects the welding efficiency, and has no protective mechanism, so that the high temperature and gas generated by welding lead to a harsh working environment. A pipe cladding equipment and a cladding method are proposed to solve the shortcomings of the prior art that the cladding equipment is not convenient for quickly switching welding between the inner wall and the outer wall of the pipe during use, which affects the welding efficiency, and has no protective mechanism, so that the high temperature and gas generated by welding lead to a harsh working environment.

[0006] The present application provides a pipe cladding device and a cladding method using the following technical solutions: A pipe cladding device, comprising: Support; The main body of the cladding machine, the welding control power supply and the welding control system are all installed on the top of the support. The main body of the cladding machine is connected with a mechanical motion mechanism, and the mechanical motion mechanism is connected with a plasma welding gun. A plurality of legs are fixedly installed at the bottom of the support. A slider, a first slide groove is provided on the top of the support, the slider is slidably installed in the first slide groove, a protective mechanism is provided on the slider, the protective mechanism is used to isolate the gas and high temperature generated by welding, and a first through groove is provided on the support; There are two vertical plates, both of which are fixedly mounted on the top of the support, and the tops of the two vertical plates are provided with second slide grooves, and connecting plates are slidably mounted in the two second slide grooves, and the same processing table is fixedly mounted on the tops of the two connecting plates, and the processing table is provided with a second through groove and a third through groove; A rotating seat, which is rotatably mounted on the top of the processing table, a fourth through slot is provided on the rotating seat, a first rotating mechanism is provided in the third through slot, and the first rotating mechanism is used to rotate the rotating seat; There are two positioning seats, both of which are fixedly installed on the top of the rotating seat. A rotating groove is opened on one side of the two positioning seats, and a placement opening is opened on the inner wall of one side of the two rotating grooves. A positioning mechanism is set in the two rotating grooves, and the positioning mechanism is used to dock and position the pipe fittings. The positioning mechanism is connected to a second rotating mechanism, and the second rotating mechanism is used to rotate the pipe fittings.

[0007] Furthermore, a purification box is fixedly installed on one side of the protective cover, a dust filter plate and an activated carbon filter layer are fixedly installed in the purification box, a bent pipe is fixedly installed on the top of the purification box and the protective cover, one end of the bent pipe is fixedly connected to an exhaust port, an exhaust port is opened at the bottom of the purification box, a second motor is fixedly installed on the bottom of the protective cover, a first rotating shaft is fixedly installed on the output shaft of the second motor, and fan blades are fixedly connected to the outer side of the first rotating shaft. When the second motor is turned on, the second motor drives the first rotating shaft to rotate, and the first rotating shaft drives the fan blades to rotate. The suction generated by the rotation of the fan blades can discharge the gas generated by welding through the bent pipe and the exhaust port.

[0008] Furthermore, one side of the two vertical plates is fixedly connected to the same support plate, and two symmetrical cylinders are fixedly installed on the top of the support plate. The output shafts of the two cylinders are fixedly connected to the bottom of the processing table. A sliding hole is opened on the top of the processing table, and the sliding hole is communicated with the second through groove and the second slide groove. A gear rod is slidably installed in the sliding hole, and one end of the gear rod is fixedly connected to the bottom inner wall of the second slide groove. The gear rod is meshed with a first gear. When the two cylinders are turned on, the two cylinders drive the processing table to move vertically, and the processing table drives the first gear. The first gear meshes and rolls on the gear rod, and then the first gear rotates.

[0009] Furthermore, the positioning mechanism includes two annular plates, which are rotatably installed in two rotating grooves respectively. Two symmetrical electric push rods are fixedly installed on the inner walls of the two annular plates. The output shafts of the four electric push rods are fixedly connected to the arc-shaped positioning plates. One side of the two annular plates is fixedly installed with an inner gear ring. When the four electric push rods are turned on, the four electric push rods drive the four arc-shaped positioning plates to move vertically respectively, and the four arc-shaped positioning plates can clamp and position the pipe fittings.

[0010] Furthermore, a third motor is fixedly installed on the top of the rotating seat, and a second worm is rotatably installed on the rotating seat, one end of the second worm is fixedly connected to the output shaft of the third motor, and fifth through holes are opened on the inner walls on both sides of the fourth through groove, and the same transmission rod is rotatably installed in the two fifth through holes, and the two ends of the transmission rod are respectively fixedly connected to the two first sprockets, and a second worm wheel is fixedly installed on the outer side of the transmission rod, and the second worm wheel is meshed with the second worm. When the third motor is turned on, the third motor drives the second worm to rotate, the second worm drives the second worm wheel to rotate, and the second worm wheel drives the transmission rod to rotate.

[0011] Furthermore, the second rotating mechanism includes two third rotating shafts, and a fourth through hole is provided on the inner wall of one side of the two rotating grooves, and a second gear is fixedly installed on one end of the two third rotating shafts, and the two second gears are respectively meshed with the two inner gear rings, and a second sprocket is fixedly installed on the other end of the two third rotating shafts, and chains are meshed on the two second sprockets, and the two chains are meshed with first sprockets. When the two first sprockets rotate, the two first sprockets respectively drive the two second sprockets to rotate through the two chains, and the two second sprockets respectively drive the two third rotating shafts to rotate, the two third rotating shafts respectively drive the two second gears to rotate, and the two second gears respectively drive the two inner gear rings to rotate.

[0012] Further, the first rotating mechanism includes a second rotating shaft, a second through hole is opened on the top of the processing table, the second through hole is communicated with the third through slot, the second rotating shaft is rotatably installed in the second through hole, one end of the second rotating shaft is fixedly connected to the bottom of the rotating seat, a first worm gear is fixedly installed on the outer side of the second rotating shaft, a third through hole is opened on the inner wall of one side of the third through slot, the third through hole is communicated with the second through slot, a first worm is rotatably installed in the third through hole, the first worm is meshed with the first worm wheel, one end of the first worm is fixedly connected to the first gear, when the first gear rotates, the first gear drives the first worm to rotate, the first worm drives the first worm wheel to rotate, the first worm wheel drives the second rotating shaft to rotate, and the second rotating shaft can drive the rotating seat to rotate.

[0013] Furthermore, one side of the slider and the inner wall of one side of the first slide groove are provided with installation grooves, and the first conductive column and the second conductive column are slidably installed in the two installation grooves respectively, and the first conductive column and the second conductive column are fixedly connected with compression springs, and one end of the two compression springs are respectively fixedly connected to the inner walls of one side of the two installation grooves, and a battery is fixedly installed on one side of the protective cover, and the first conductive column, the battery, the second motor and the second conductive column are connected in sequence. When the first conductive column contacts the second conductive column, the second motor can be automatically turned on.

[0014] Furthermore, the protective mechanism includes a protective cover, which is slidably installed on the top of the support, and the bottom of the protective cover is fixedly connected to the top of the slider. An observation port is opened on the protective cover, and a glass panel is fixedly installed in the observation port. Two sealing baffles are fixedly installed on the top of the support, and the two sealing baffles cooperate with the protective cover. A first motor is fixedly installed on the inner wall of one side of the first through groove, and a first through hole is opened on the inner wall of one side of the first through groove. A screw is rotatably installed in the first through hole, and one end of the screw is fixedly connected to the output shaft of the first motor, and the screw is threadedly connected to the slider. When the first motor is turned on, the first motor drives the screw to rotate, and the screw drives the slider to move horizontally, and the slider drives the protective cover to move horizontally. The protective cover is made of polyethylene, polypropylene or polycarbonate material, and has excellent chemical corrosion resistance, high temperature resistance and impact resistance. The glass panel is made of high temperature and high pressure resistant glass.

[0015] The present invention also proposes a surfacing method for pipe surfacing equipment, comprising the following steps: S1: First, two pipes to be welded are placed in two positioning seats through two placement ports, and the welding parts of the two pipes to be welded are closely butted, and then four electric push rods are turned on, and the four electric push rods respectively drive four arc-shaped positioning plates to move vertically, and the four arc-shaped positioning plates respectively clamp and position the two pipes to be welded, and the plasma welding gun is moved into the pipes to be welded through the mechanical movement mechanism, and the welding operation is prepared; S2: Then, the first motor is turned on, the first motor drives the screw to rotate, the screw drives the slider to move horizontally, the slider drives the protective cover to cooperate with the two sealing baffles to isolate the high-temperature radiation generated by welding, and at the same time, when the slider moves horizontally to the left to a certain position, the first conductive column contacts the second conductive column, and the first conductive column, the battery, the second motor and the second conductive column are connected in sequence, and then the second motor is automatically turned on, and the second motor drives the first rotating shaft and the fan blades to rotate. The suction force generated by the rotation of the fan blades sucks the gas generated by welding into the purification box through the bend pipe and the exhaust port, the dust filter plate intercepts the dust, and the activated carbon filter layer adsorbs harmful substances in the gas, thereby preventing the gas from causing harm to the workers' bodies; S3: Then, the third motor is turned on, the third motor drives the second worm to rotate, the second worm drives the second worm wheel to rotate, the second worm wheel drives the transmission rod to rotate, the transmission rod drives the two first sprockets to rotate, the two first sprockets respectively drive the two second sprockets to rotate through the two chains, the two second sprockets respectively drive the two third rotating shafts to rotate, the two third rotating shafts respectively drive the two second gears to rotate, the two second gears respectively drive the two inner gear rings to rotate, the two inner gear rings respectively drive the two annular plates to rotate, the two annular plates respectively drive the two pipe fittings to be welded to rotate synchronously, and then the pipe fittings butt joints are uniformly welded; S4: Finally, when the inner wall welding of the pipe is completed, the plasma welding gun is moved out of the pipe through the mechanical motion mechanism, and the two cylinders are turned on. The two cylinders drive the processing table to move vertically downward, and the processing table drives the first worm and the first gear to move vertically downward. The first gear is engaged with the gear rod, and then the first gear is engaged and rolled on the gear rod. The first gear rotates by itself to drive the first worm to rotate, and the first worm drives the first worm wheel to rotate, and the first worm wheel drives the second shaft to rotate, and the second shaft drives the rotating seat to rotate ninety degrees, and then the plasma welding gun is moved to the welding position of the outer wall of the pipe through the mechanical motion mechanism again to perform welding operations.

[0016] In summary, the present application includes at least one of the following beneficial technical effects: 1. This solution starts the first motor, which drives the screw to rotate, which drives the slider to move horizontally, and the slider drives the protective cover to cooperate with the two sealing baffles to isolate the high-temperature radiation generated by welding. At the same time, the first conductive column contacts the second conductive column, and the second motor is automatically turned on. The second motor drives the first rotating shaft and the fan blades to rotate. The suction force generated by the rotation of the fan blades sucks the gas generated by welding into the purification box through the elbow and the exhaust port. The dust filter plate intercepts the dust, and the activated carbon filter layer adsorbs harmful substances in the gas, thereby preventing the gas from causing harm to the workers' bodies; 2. In this solution, the third motor is turned on, the third motor drives the second worm to rotate, the second worm drives the second worm wheel to rotate, the transmission rod drives the two first sprockets to rotate, the two first sprockets respectively drive the two second sprockets to rotate through two chains, the two third rotating shafts respectively drive the two second gears to rotate, the two second gears respectively drive the two inner gear rings to rotate, the two inner gear rings respectively drive the two annular plates to rotate, the two annular plates respectively drive the two pipe fittings to be welded to rotate synchronously, and then the pipe fittings butt joints are uniformly welded; 3. This scheme starts two cylinders, which drive the processing table to move vertically downward. The processing table drives the first worm and the first gear to move vertically downward. The first gear meshes with the gear rod, and then the first gear meshes and rolls on the gear rod. The first gear rotates and drives the first worm to rotate. The first worm drives the first worm wheel to rotate. The first worm wheel drives the second shaft to rotate. The second shaft drives the rotating seat to rotate ninety degrees. Then, the plasma welding gun is moved to the welding position of the outer wall of the pipe through the mechanical motion mechanism to perform welding operations.

[0017] The present invention can facilitate rapid switching of welding between the inner wall and the outer wall of the pipe during use, thereby improving welding efficiency. At the same time, it has a protective mechanism to avoid the high temperature and gas generated by welding causing a harsh working environment. The structure is simple and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a pipe cladding device proposed by the present invention; Figure 2 A schematic diagram of the internal structure of a pipe cladding device proposed by the present invention; Figure 3 A structural schematic diagram of a cladding machine body of a pipe cladding equipment proposed by the present invention; Figure 4 A schematic structural diagram of a protective cover for pipe cladding equipment proposed by the present invention; Figure 5 A schematic diagram of the structure of a processing table of a pipe cladding equipment proposed by the present invention; Figure 6 A schematic structural diagram of a first rotating mechanism of a pipe cladding device proposed by the present invention; Figure 7 A schematic structural diagram of a positioning seat of a pipe cladding equipment proposed by the present invention; Figure 8 A schematic structural diagram of a second rotating mechanism of a pipe cladding device proposed by the present invention; Fig. 9 A schematic diagram of the structure of a purification box of a pipe cladding equipment proposed by the present invention; Fig.10 A schematic diagram of the structure of an exhaust port of a pipe cladding equipment proposed by the present invention; Fig.11 A pipe cladding device proposed by the present invention Figure 2 The structural diagram of the enlarged part A in the middle; Fig.12 A pipe cladding device proposed by the present invention Figure 4 The enlarged structural diagram of part B in the middle; Fig.13A pipe cladding device proposed by the present invention Figure 6 The enlarged structural diagram of part E in the middle; Fig.14 A pipe cladding device proposed by the present invention Figure 7 The structural diagram of the enlarged portion D in the middle; Fig.15 A pipe cladding device proposed by the present invention Figure 8 Schematic diagram of the enlarged structure of part C.

[0019] Figure numerals: 1. support; 2. support foot; 3. cladding machine body; 4. welding control power supply; 5. welding control system; 6. mechanical movement mechanism; 7. plasma welding gun; 8. first through slot; 9. first slide slot; 10. slider; 11. protective cover; 12. glass panel; 13. sealing baffle; 14. first motor; 15. screw; 16. purification box; 17. elbow; 18. battery; 19. exhaust port; 20. second motor; 21. first rotating shaft; 22. fan blade; 23. activated carbon filter layer; 24. dust filter plate; 25. first conductive column; 26. second conductive column; 27. compression spring; 28. vertical plate; 29. ​​support plate ; 30. second slide groove; 31. connecting plate; 32. processing table; 33. cylinder; 34. second through groove; 35. third through groove; 36. rotating seat; 37. positioning seat; 38. third motor; 39. gear rod; 40. first gear; 41. first worm; 42. first worm wheel; 43. second rotating shaft; 44. rotating groove; 45. placement port; 46. annular plate; 47. inner gear ring; 48. electric push rod; 49. arc positioning plate; 50. second worm; 51. second worm wheel; 52. transmission rod; 53. first sprocket; 54. chain; 55. second sprocket; 56. third rotating shaft; 57. second gear; 58. fourth through groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Embodiment 1

[0021] Reference Figure 1-Figure 15 , a pipe cladding device, comprising: Support 1; A cladding machine body 3, a welding control power supply 4 and a welding control system 5 are all installed on the top of a support 1. A mechanical motion mechanism 6 is connected to the cladding machine body 3, and a plasma welding gun 7 is connected to the mechanical motion mechanism 6. A plurality of legs 2 are fixedly installed at the bottom of the support 1. The slider 10 is provided with a first slide groove 9 on the top of the support 1. The slider 10 is slidably installed in the first slide groove 9. A protective mechanism is provided on the slider 10. The protective mechanism is used to isolate the gas and high temperature generated by welding. The support 1 is provided with a first through groove 8; There are two vertical plates 28, both of which are fixedly mounted on the top of the support 1, and the tops of the two vertical plates 28 are provided with second slide grooves 30, and connecting plates 31 are slidably mounted in the two second slide grooves 30, and the tops of the two connecting plates 31 are fixedly mounted with the same processing table 32, and the processing table 32 is provided with a second through groove 34 and a third through groove 35; The rotating seat 36 is rotatably mounted on the top of the processing table 32. The rotating seat 36 is provided with a fourth through slot 58. The third through slot 35 is provided with a first rotating mechanism, which is used to rotate the rotating seat 36. There are two positioning seats 37, both of which are fixedly mounted on the top of the rotating seat 36. A rotating groove 44 is provided on one side of the two positioning seats 37, and a placement opening 45 is provided on the inner wall of one side of the two rotating grooves 44. A positioning mechanism is provided in the two rotating grooves 44, and the positioning mechanism is used to dock and position the pipe fittings. A second rotating mechanism is connected to the positioning mechanism, and the second rotating mechanism is used to rotate the pipe fittings.

[0022] Reference Figure 1 , Figure 4 , Fig. 9 , Fig.10 and Fig.12A purification box 16 is fixedly installed on one side of the protective cover 11, and a dust filter plate 24 and an activated carbon filter layer 23 are fixedly installed in the purification box 16. The top of the purification box 16 and the protective cover 11 are fixedly installed with the same elbow 17, and one end of the elbow 17 is fixedly connected with an air suction port 19. An exhaust port is opened at the bottom of the purification box 16. A second motor 20 is fixedly installed at the bottom of the protective cover 11, and a first rotating shaft 21 is fixedly installed on the output shaft of the second motor 20. The outer side of the first rotating shaft 21 is fixedly connected with a fan blade 22. When the second motor 20 is turned on, the second motor 20 drives the first rotating shaft 21. The first rotating shaft 21 drives the fan blade 22 to rotate, and the suction force generated by the rotation of the fan blade 22 can discharge the gas generated by welding through the bent pipe 17 and the exhaust port 19. A mounting groove is provided on one side of the slider 10 and the inner wall of one side of the first slide groove 9. The first conductive column 25 and the second conductive column 26 are slidably installed in the two mounting grooves respectively. The first conductive column 25 and the second conductive column 26 are fixedly connected with compression springs 27. One end of the two compression springs 27 is fixedly connected with the inner wall of one side of the two mounting grooves respectively. A battery 18 is fixedly installed on one side of the protective cover 11. The first conductive column 25 , the battery 18, the second motor 20 and the second conductive column 26 are connected in sequence. When the first conductive column 25 contacts the second conductive column 26, the second motor 20 can be automatically turned on. The protective mechanism includes a protective cover 11, which is slidably mounted on the top of the support 1. The bottom of the protective cover 11 is fixedly connected to the top of the slider 10. An observation port is opened on the protective cover 11, and a glass panel 12 is fixedly installed in the observation port. Two sealing baffles 13 are fixedly installed on the top of the support 1, and the two sealing baffles 13 cooperate with the protective cover 11. A first through groove 8 is fixedly installed on the inner wall of one side. Motor 14, a first through hole is opened on the inner wall of one side of the first through slot 8, a screw 15 is rotatably installed in the first through hole, one end of the screw 15 is fixedly connected to the output shaft of the first motor 14, the screw 15 is threadedly connected to the slider 10, when the first motor 14 is turned on, the first motor 14 drives the screw 15 to rotate, the screw 15 drives the slider 10 to move horizontally, the slider 10 drives the protective cover 11 to move horizontally, the protective cover 11 is made of polyethylene, polypropylene or polycarbonate material, and has excellent chemical corrosion resistance, high temperature resistance and impact resistance, and the glass panel 12 is made of high temperature and high pressure resistant glass.

[0023] Reference Figure 2 , Figure 5 and Figure 6, one side of the two vertical plates 28 is fixedly connected to the same support plate 29, and two symmetrical cylinders 33 are fixedly installed on the top of the support plate 29, and the output shafts of the two cylinders 33 are fixedly connected to the bottom of the processing table 32. A sliding hole is opened on the top of the processing table 32, and the sliding hole is communicated with the second through groove 34 and the second slide groove 30. A gear rod 39 is slidably installed in the sliding hole, and one end of the gear rod 39 is fixedly connected to the bottom inner wall of the second slide groove 30. The gear rod 39 is meshed with a first gear 40. When the two cylinders 33 are turned on, the two cylinders 33 drive the processing table 32 to move vertically, and the processing table 32 drives the first gear 40. The first gear 40 meshes and rolls on the gear rod 39, and then the first gear 40 rotates. The first rotating mechanism includes a second rotating shaft 43, and the top of the processing table 32 A second through hole is provided, which is communicated with the third through slot 35. The second rotating shaft 43 is rotatably installed in the second through hole. One end of the second rotating shaft 43 is fixedly connected to the bottom of the rotating seat 36. A first worm gear 42 is fixedly installed on the outer side of the second rotating shaft 43. A third through hole is provided on the inner wall of one side of the third through slot 35, which is communicated with the second through slot 34. A first worm 41 is rotatably installed in the third through hole. The first worm 41 is meshed with the first worm gear 42. One end of the first worm 41 is fixedly connected to the first gear 40. When the first gear 40 rotates, the first gear 40 drives the first worm 41 to rotate, the first worm 41 drives the first worm gear 42 to rotate, the first worm gear 42 drives the second rotating shaft 43 to rotate, and the second rotating shaft 43 can drive the rotating seat 36 to rotate.

[0024] Reference Figure 7 , Figure 8 , Fig.13 and Fig.14The positioning mechanism includes two annular plates 46, which are rotatably mounted in the two rotating grooves 44 respectively. Two symmetrical electric push rods 48 are fixedly mounted on the inner walls of the two annular plates 46. The output shafts of the four electric push rods 48 are fixedly connected with arc-shaped positioning plates 49. One side of the two annular plates 46 is fixedly mounted with an inner gear ring 47. When the four electric push rods 48 are turned on, the four electric push rods 48 drive the four arc-shaped positioning plates 49 to move vertically respectively. The four arc-shaped positioning plates 49 can clamp and position the pipe fittings. A third motor 38 is fixedly mounted on the top of the rotating seat 36. A second worm 50 is rotatably mounted on the rotating seat 36. One end of the second worm 50 is fixedly connected to the output shaft of the third motor 38. Fifth through holes are opened on the inner walls of both sides of the fourth through slot 58. The same transmission rod 52 is rotatably mounted in the two fifth through holes. The two ends of the transmission rod 52 are fixedly connected to the two first sprockets 53 respectively. The outer side of the transmission rod 52 is fixedly mounted with a second worm wheel 51. The second worm wheel 51 The second worm gear 51 is meshed with the second worm 50. When the third motor 38 is turned on, the third motor 38 drives the second worm 50 to rotate, the second worm 50 drives the second worm wheel 51 to rotate, and the second worm wheel 51 drives the transmission rod 52 to rotate. The second rotating mechanism includes two third rotating shafts 56. The inner wall of one side of the two rotating grooves 44 is provided with a fourth through hole. One end of the two third rotating shafts 56 is fixedly installed with a second gear 57. The two second gears 57 are respectively meshed with the two inner gear rings 47. The other end of the two third rotating shafts 56 is fixedly installed with a second sprocket 55. The two second sprockets 55 are meshed with chains 54. The two chains 54 are meshed with first sprockets 53. When the two first sprockets 53 rotate, the two first sprockets 53 respectively drive the two second sprockets 55 to rotate through the two chains 54. The two second sprockets 55 respectively drive the two third rotating shafts 56 to rotate. The two third rotating shafts 56 respectively drive the two second gears 57 to rotate, and the two second gears 57 respectively drive the two inner gear rings 47 to rotate.

[0025] The present invention also proposes a surfacing method for pipe surfacing equipment, comprising the following steps: S1: First, two pipes to be welded are placed in two positioning seats 37 through two placement openings 45, and the welding parts of the two pipes to be welded are closely connected, and then four electric push rods 48 are turned on, and the four electric push rods 48 respectively drive four arc-shaped positioning plates 49 to move vertically, and the four arc-shaped positioning plates 49 respectively clamp and position the two pipes to be welded, and the plasma welding gun 7 is moved into the pipes to be welded through the mechanical movement mechanism 6, and the welding operation is prepared; S2: Then, the first motor 14 is turned on, the first motor 14 drives the screw 15 to rotate, the screw 15 drives the slider 10 to move horizontally, the slider 10 drives the protective cover 11 to cooperate with the two sealing baffles 13 to isolate the high temperature radiation generated by welding. At the same time, when the slider 10 moves horizontally to the left to a certain position, the first conductive column 25 contacts the second conductive column 26, and the first conductive column 25, the battery 18, the second motor 20 and the second conductive column 26 are connected in sequence, and then the second motor 20 is automatically turned on, and the second motor 20 drives the first rotating shaft 21 and the fan blade 22 to rotate. The suction force generated by the rotation of the fan blade 22 sucks the gas generated by welding into the purification box 16 through the bend 17 and the exhaust port 19, the dust filter plate 24 intercepts the dust, and the activated carbon filter layer 23 adsorbs harmful substances in the gas, thereby preventing the gas from causing harm to the workers; S3: Then, the third motor 38 is turned on, the third motor 38 drives the second worm 50 to rotate, the second worm 50 drives the second worm wheel 51 to rotate, the second worm wheel 51 drives the transmission rod 52 to rotate, the transmission rod 52 drives the two first sprocket wheels 53 to rotate, the two first sprocket wheels 53 respectively drive the two second sprocket wheels 55 to rotate through the two chains 54, the two second sprocket wheels 55 respectively drive the two third rotating shafts 56 to rotate, the two third rotating shafts 56 respectively drive the two second gears 57 to rotate, the two second gears 57 respectively drive the two inner gear rings 47 to rotate, the two inner gear rings 47 respectively drive the two annular plates 46 to rotate, the two annular plates 46 respectively drive the two pipe fittings to be welded to rotate synchronously, and then the pipe fittings butt joints are uniformly welded; S4: Finally, when the inner wall welding of the pipe is completed, the plasma welding gun 7 is moved out of the pipe through the mechanical motion mechanism 6, and the two cylinders 33 are turned on. The two cylinders 33 drive the processing table 32 to move vertically downward, and the processing table 32 drives the first worm 41 and the first gear 40 to move vertically downward. The first gear 40 is meshed with the gear rod 39, and then the first gear 40 is meshed and rolled on the gear rod 39. The first gear 40 rotates by itself to drive the first worm 41 to rotate, and the first worm 41 drives the first worm wheel 42 to rotate. The first worm wheel 42 drives the second rotating shaft 43 to rotate, and the second rotating shaft 43 drives the rotating seat 36 to rotate ninety degrees. Then, the plasma welding gun 7 is moved to the welding position of the outer wall of the pipe through the mechanical motion mechanism 6 again to perform welding operations. Embodiment 2

[0026] The difference between this embodiment and the first embodiment lies in that: guide grooves are provided on the inner walls of the two rotating grooves 44, guide blocks are slidably installed in the two guide grooves, the outer sides of the four guide blocks are fixedly connected to the outer sides of the two annular plates 46 respectively, and the arrangement of the four guide blocks can improve the stable rotation of the annular plates 46, pressure sensors are fixedly connected to the four arc-shaped positioning plates 49, a controller is fixedly installed on the positioning seat 37, the pressure sensor, the controller and the four electric push rods 48 are connected in sequence, when the arc-shaped positioning plate 49 clamps the pipe fitting, the pressure sensor can monitor the extrusion pressure of the arc-shaped positioning plate 49, when the extrusion pressure reaches the preset threshold, the pressure sensor sends a command to the controller, and the controller can control the four electric push rods 48 to automatically close to avoid deformation of the pipe fitting due to excessive pressure.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pipe cladding equipment, characterized in that: include: Support (1); A cladding machine body (3), a welding control power source (4) and a welding control system (5), wherein the cladding machine body (3), the welding control power source (4) and the welding control system (5) are all mounted on the top of a support (1), a mechanical motion mechanism (6) is connected to the cladding machine body (3), a plasma welding gun (7) is connected to the mechanical motion mechanism (6), and a plurality of legs (2) are fixedly mounted on the bottom of the support (1); A slider (10), a first slide groove (9) is provided on the top of the support (1), the slider (10) is slidably mounted in the first slide groove (9), a protective mechanism is provided on the slider (10), the protective mechanism is used to isolate the gas and high temperature generated by welding, and a first through groove (8) is provided on the support (1); A vertical plate (28), wherein two vertical plates (28) are provided, and the two vertical plates (28) are fixedly mounted on the top of the support (1); a second slide groove (30) is provided on the top of the two vertical plates (28); a connecting plate (31) is slidably mounted in the two second slide grooves (30); a same processing table (32) is fixedly mounted on the top of the two connecting plates (31); and a second through groove (34) and a third through groove (35) are provided on the processing table (32); A rotating seat (36), the rotating seat (36) is rotatably mounted on the top of the processing table (32), a fourth through slot (58) is provided on the rotating seat (36), a first rotating mechanism is provided in the third through slot (35), and the first rotating mechanism is used to rotate the rotating seat (36); A positioning seat (37), wherein two positioning seats (37) are provided, and the two positioning seats (37) are fixedly mounted on the top of the rotating seat (36); a rotating groove (44) is provided on one side of the two positioning seats (37); a placement opening (45) is provided on one side inner wall of the two rotating grooves (44); positioning mechanisms are provided in the two rotating grooves (44); the positioning mechanisms are used to dock and position the pipe fittings; a second rotating mechanism is connected to the positioning mechanisms; the second rotating mechanism is used to rotate the pipe fittings.

2. The pipe cladding equipment according to claim 1, characterized in that: The protective mechanism comprises a protective cover (11), the protective cover (11) is slidably mounted on the top of the support (1), the bottom of the protective cover (11) is fixedly connected to the top of the slider (10), an observation port is provided on the protective cover (11), a glass panel (12) is fixedly mounted in the observation port, two sealing baffles (13) are fixedly mounted on the top of the support (1), the two sealing baffles (13) cooperate with the protective cover (11), a first motor (14) is fixedly mounted on the inner wall of one side of the first through groove (8), a first through hole is provided on the inner wall of one side of the first through groove (8), a screw rod (15) is rotatably mounted in the first through hole, one end of the screw rod (15) is fixedly connected to the output shaft of the first motor (14), and the screw rod (15) is threadedly connected to the slider (10).

3. The pipe cladding equipment according to claim 2, characterized in that: A purification box (16) is fixedly mounted on one side of the protective cover (11), a dust filter plate (24) and an activated carbon filter layer (23) are fixedly mounted inside the purification box (16), a curved pipe (17) is fixedly mounted on the top of the purification box (16) and the protective cover (11), one end of the curved pipe (17) is fixedly connected to an air suction port (19), an exhaust port is provided at the bottom of the purification box (16), a second motor (20) is fixedly mounted on the bottom of the protective cover (11), a first rotating shaft (21) is fixedly mounted on the output shaft of the second motor (20), and a fan blade (22) is fixedly connected to the outer side of the first rotating shaft (21).

4. The pipe cladding equipment according to claim 3, characterized in that: One side of the slider (10) and the inner wall of one side of the first slide groove (9) are both provided with mounting grooves, and a first conductive column (25) and a second conductive column (26) are respectively slidably mounted in the two mounting grooves, and a compression spring (27) is fixedly connected to the first conductive column (25) and the second conductive column (26), and one end of the two compression springs (27) is respectively fixedly connected to the inner wall of one side of the two mounting grooves, and a storage battery (18) is fixedly mounted on one side of the protective cover (11), and the first conductive column (25), the storage battery (18), the second motor (20) and the second conductive column (26) are connected in sequence.

5. The pipe cladding equipment according to claim 4, characterized in that: One side of the two vertical plates (28) is fixedly connected to the same support plate (29), and two symmetrical cylinders (33) are fixedly installed on the top of the support plate (29). The output shafts of the two cylinders (33) are fixedly connected to the bottom of the processing table (32). The top of the processing table (32) is provided with a sliding hole, which is communicated with the second through groove (34) and the second slide groove (30). A gear rod (39) is slidably installed in the sliding hole, and one end of the gear rod (39) is fixedly connected to the bottom inner wall of the second slide groove (30). The gear rod (39) is meshed with a first gear (40).

6. The pipe cladding equipment according to claim 5, characterized in that: The first rotating mechanism comprises a second rotating shaft (43), a second through hole is formed on the top of the processing table (32), the second through hole is communicated with the third through slot (35), the second rotating shaft (43) is rotatably mounted in the second through hole, one end of the second rotating shaft (43) is fixedly connected to the bottom of the rotating seat (36), a first worm gear (42) is fixedly mounted on the outer side of the second rotating shaft (43), a third through hole is formed on the inner wall of one side of the third through slot (35), the third through hole is communicated with the second through slot (34), a first worm (41) is rotatably mounted in the third through hole, the first worm (41) is meshed with the first worm gear (42), and one end of the first worm (41) is fixedly connected to the first gear (40).

7. The pipe cladding equipment according to claim 6, characterized in that: The positioning mechanism comprises two annular plates (46), the two annular plates (46) are rotatably mounted in two rotating grooves (44) respectively, two symmetrical electric push rods (48) are fixedly mounted on the inner walls of the two annular plates (46), the output shafts of the four electric push rods (48) are fixedly connected to an arc-shaped positioning plate (49), and an inner gear ring (47) is fixedly mounted on one side of the two annular plates (46).

8. The pipe cladding equipment according to claim 7, characterized in that: The second rotating mechanism comprises two third rotating shafts (56), a fourth through hole is provided on the inner wall of one side of the two rotating grooves (44), a second gear (57) is fixedly mounted on one end of the two third rotating shafts (56), the two second gears (57) are respectively meshed with the two inner gear rings (47), and a second sprocket (55) is fixedly mounted on the other end of the two third rotating shafts (56), the two second sprockets (55) are meshed with chains (54), and the two chains (54) are meshed with the first sprocket (53).

9. The pipe cladding equipment according to claim 8, characterized in that: A third motor (38) is fixedly mounted on the top of the rotating seat (36), a second worm (50) is rotatably mounted on the rotating seat (36), one end of the second worm (50) is fixedly connected to the output shaft of the third motor (38), fifth through holes are provided on both sides of the inner wall of the fourth through slot (58), a same transmission rod (52) is rotatably mounted in the two fifth through holes, two ends of the transmission rod (52) are respectively fixedly connected to the two first sprockets (53), a second worm wheel (51) is fixedly mounted on the outer side of the transmission rod (52), and the second worm wheel (51) is meshed with the second worm (50).

10. A surfacing method for a pipe surfacing device, wherein the pipe surfacing device is a pipe surfacing device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1: First, two pipes to be welded are placed in two positioning seats (37) through two placement openings (45), and the welding points of the two pipes to be welded are closely butted, then four electric push rods (48) are turned on, and the four electric push rods (48) respectively drive four arc-shaped positioning plates (49) to move vertically, and the four arc-shaped positioning plates (49) respectively clamp and position the two pipes to be welded, and the plasma welding gun (7) is moved into the pipes to be welded through the mechanical movement mechanism (6), and the welding operation is prepared; S2: Then, the first motor (14) is turned on, the first motor (14) drives the screw (15) to rotate, the screw (15) drives the slider (10) to move horizontally, the slider (10) drives the protective cover (11) to cooperate with the two sealing baffles (13) to isolate the high temperature radiation generated by welding. At the same time, when the slider (10) moves horizontally to the left to a certain position, the first conductive column (25) contacts the second conductive column (26), and the first conductive column (25), the battery (18), the second motor (20) and the second conductive column (26) are connected in sequence, and then the second motor (20) is automatically turned on, and the second motor (20) drives the first rotating shaft (21) and the fan blade (22) to rotate. The suction force generated by the rotation of the fan blade (22) sucks the gas generated by welding into the purification box (16) through the curved pipe (17) and the exhaust port (19), the dust filter plate (24) intercepts the dust, and the activated carbon filter layer (23) adsorbs harmful substances in the gas, thereby preventing the gas from causing harm to the workers; S3: Then, the third motor (38) is turned on, the third motor (38) drives the second worm (50) to rotate, the second worm (50) drives the second worm wheel (51) to rotate, the second worm wheel (51) drives the transmission rod (52) to rotate, the transmission rod (52) drives the two first sprocket wheels (53) to rotate, the two first sprocket wheels (53) respectively drive the two second sprocket wheels (55) to rotate through the two chains (54), the two second sprocket wheels (55) respectively drive the two third rotating shafts (56) to rotate, the two third rotating shafts (56) respectively drive the two second gears (57) to rotate, the two second gears (57) respectively drive the two inner gear rings (47) to rotate, the two inner gear rings (47) respectively drive the two annular plates (46) to rotate, the two annular plates (46) respectively drive the two pipe fittings to be welded to rotate synchronously, and thus the pipe fittings butt joints are uniformly welded; S4: Finally, when the inner wall of the pipe is welded, the plasma welding gun (7) is moved out of the pipe by the mechanical movement mechanism (6), and the two cylinders (33) are turned on. The two cylinders (33) drive the processing table (32) to move vertically downward, and the processing table (32) drives the first worm (41) and the first gear (40) to move vertically downward. The first gear (40) meshes with the gear rod (39), and then the first gear (40) meshes and rolls on the gear rod (39). The first gear (40) rotates by itself to drive the first worm (41) to rotate, and the first worm (41) drives the first worm wheel (42) to rotate. The first worm wheel (42) drives the second rotating shaft (43) to rotate, and the second rotating shaft (43) drives the rotating seat (36) to rotate ninety degrees. Then, the plasma welding gun (7) is moved to the welding position of the outer wall of the pipe by the mechanical movement mechanism (6) again to perform the welding operation.

Images