Automatic welding device and automatic welding method for metal pipeline

Abstract

The invention discloses an automatic welding device and method for metal pipelines, and relates to the technical field of automatic welding of the metal pipelines. The automatic welding device and method for the metal pipelines comprise a base and a metal pipeline body, a moving device is arranged on the inner wall of the base, and a frame is slidably mounted on the circumferential surface of the moving device; a motor is fixedly mounted above the frame; the device further comprises a clamping device, a moving device and a cleaning device; wherein the clamping device comprises a placing block, a rotating cylinder, a sliding plate, a first telescopic elastic rod, a first square plate, a second sliding groove, a clamping plate, a mounting plate, a limiting plate, a second telescopic elastic rod and a check block, meanwhile, the clamping plate can adapt to metal pipeline bodies of different sizes to conduct clamping and fixing, the pipeline can be stably fixed, it is ensured that the pipeline cannot move or deform in the welding process, and the welding efficiency is improved. Therefore, accurate butt joint is realized.

Description

Technical Field

[0001] The invention relates to the technical field of automatic welding of metal pipelines, and in particular to an automatic welding device and an automatic welding method for metal pipelines. Background Art

[0002] The metal pipe automatic welding device is an automated device used to improve welding efficiency and quality, and is widely used in industries such as petroleum, chemical, natural gas, food, and pharmaceuticals. The device uses advanced control technology to achieve automatic adjustment of pipeline position, automatic control of welding parameters, and automatic completion of the welding process.

[0003] The patent with the patent announcement number CN113118697B relates to an automatic welding device and method for metal pipes. The patent includes a transverse track quick fixing fixture, device and method, which aims to solve the problem in the prior art that the transverse weld cannot be effectively completed during the automatic welding of pipeline maintenance and emergency repair openings, plugging tees or repairing sleeve-type pipe fittings. The transverse track quick fixing fixture for automatic pipeline welding provided by the patent belongs to an automatic welding equipment installation auxiliary device, which is specially designed and used for pipeline maintenance and emergency repair automatic welding construction operations. The transverse track quick fixing fixture for automatic pipeline welding in the patent has a simple structure, light weight, convenient operation, fast installation, strong applicability, and a wide range of applicable pipe diameters. The transverse track fixing method for automatic pipeline welding provided by the patent provides a new process method for automatic pipeline maintenance and emergency repair welding, which can achieve rapid installation of the track while ensuring that the welding trolley can move stably and reliably to meet welding requirements.

[0004] In the above patent, the transverse track fixing method for automatic pipeline welding provides a new process method for automatic pipeline maintenance and repair welding, which can realize rapid installation of the track while ensuring that the welding trolley can move stably and reliably to meet the welding requirements. However, during the placement of the pipeline, the pipeline may shake and affect the fixing effect. Therefore, a metal pipeline automatic welding device with better clamping effect is designed. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides an automatic welding device and an automatic welding method for a metal pipe, which solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: an automatic metal pipe welding device, comprising a base and a metal pipe body, the inner wall of the base is provided with a moving device, the circumferential surface of the moving device is slidably mounted with a frame, a motor is fixedly mounted above the frame, and also includes a clamping device, a moving device and a cleaning device; wherein the clamping device comprises a placing block, a rotating drum, a slide plate, a telescopic elastic rod 1, a square plate 1, a slide groove 2, a splint, a mounting plate, a limit plate, a telescopic elastic rod 2, a stopper, a rotating shaft, a sleeve tube 1 and a square plate 2, when the motor is started, the output end of the motor rotates to drive the rotating shaft, the rotating shaft rotates to drive the sleeve tube 1 on the surface to slide under the action of the threaded groove, the sleeve tube 1 slides to drive the square plate 2 on the surface to move away from one end of the motor, and the square plate 2 moves away from one end of the motor to contact and squeeze the surface of the splint, the placing block is fixedly mounted above the frame, the rotating drum is rotatably mounted on the inner wall of the placing block, and the surface of the rotating drum is provided with a sliding The cam is fixedly mounted on the bottom of the slide plate, the cam is fixedly mounted on the bottom of the slide plate, the cam is fixedly mounted on the bottom of the slide plate, the cam is fixedly mounted on the bottom of the slide plate, the cam is fixedly mounted on the bottom of the slide plate, the cam is fixedly mounted on the bottom of the slide plate, the cam is fixedly mounted on the bottom of the slide plate, the cam is fixedly mounted on the top of the slide plate, the cam is fixedly mounted on the top of the slide plate

[0007] According to the above technical solution, the free end of the telescopic elastic rod is fixedly connected to the side of the skateboard, the side of the square plate close to the stop block is set as a slope, the surface of the rotating shaft is provided with a spiral groove, and the sleeve tube is connected to the rotating shaft through the spiral groove. When the stop block moves toward the end away from the clamping plate, it will contact and squeeze the surface of the square plate. When the square plate is squeezed, it will move in the direction of the slot away from the surface of the placement block.

[0008] According to the above technical solution, a slot is provided on the surface of the placement block, the slide plate contacts the inner wall of the slot, the free end of the second telescopic elastic rod is fixedly connected to the top of the mounting plate, moves in the direction of the slot away from the surface of the placement block, and drives the slide plate to move in the direction of the slot away from the surface of the placement block.

[0009] According to the above technical scheme, the moving device includes an arc groove, a second sleeve tube, a roller, a tooth block, a limit rod and a second tooth block. The output end of the motor rotates to drive the rotating shaft. When the rotating shaft rotates, the sleeve tube 2 on the surface will be driven to rotate. The sleeve tube 2 rotates to drive the roller on the surface to rotate. The rotation of the roller will drive the tooth block 1 on the surface to rotate. The arc groove is arranged on the surface of the first sleeve tube. The second sleeve tube is slidably mounted on the circumferential surface of the rotating shaft. The roller is fixedly mounted on the circumferential surface of the second sleeve tube. The tooth block 1 is fixedly mounted on the surface of the roller. The limit rod is fixedly mounted on the surface of the second sleeve tube. The second tooth block is fixedly mounted on the surface of the rotating drum. The sleeve tube 2 rotates to drive the roller on the surface to rotate. The rotation of the roller will drive the tooth block 1 on the surface to rotate. When the tooth block 1 rotates, it will contact and mesh with the tooth block 2, and at the same time drive the rotating drum to rotate, and drive the metal pipe body to rotate, so as to realize welding work at different positions, and realize continuous and stable welding process without manual intervention, thereby significantly improving production efficiency, improving production efficiency and welding quality, and reducing labor intensity and cost.

[0010] According to the above technical solution, the end of the limit rod away from the roller contacts the inner wall of the arc groove, the shape of the limit rod is set to be U-shaped, and the rotation of the sleeve tube drives the roller on the surface to rotate.

[0011] According to the above technical solution, the tooth block 1 is meshed with the tooth block 2, and the side of the square plate 2 close to the limiting plate is set as the inclined surface 2. When the tooth block 1 rotates, it will contact and mesh with the tooth block 2.

[0012] According to the above technical solution, the cleaning device includes a U-shaped plate, a connecting shaft 1, a knocking plate, a sleeve tube 3, a connecting shaft 2, an L-shaped plate, a connecting shaft 3 and a scraper. When the rotating shaft rotates, the sleeve tube 3 on the surface will be driven to rotate. When the sleeve tube 3 rotates, it will contact and push the knocking plate to slide through the arc plate on the surface. The knocking plate will slide under the action of the connecting shaft 1. The U-shaped plate is fixedly installed on the side of the frame, the connecting shaft 1 is fixedly installed on the inner wall of the U-shaped plate, the knocking plate is rotatably installed on the circumferential surface of the connecting shaft 1, and the sleeve tube 3 is fixedly installed on the circumferential surface of the rotating shaft. The connecting shaft two is fixedly mounted on the surface of the sleeve tube three, the L-shaped plate is rotatably mounted on the circumferential surface of the connecting shaft two, the connecting shaft three is rotatably mounted on the surface of the L-shaped plate, and the scraper is fixedly mounted on the surface of the connecting shaft three. When the L-shaped plate moves left and right, it will drive the connecting shaft three to move left and right. The left and right movement of the connecting shaft three will drive the scraper to move left and right. The left and right movement of the scraper will clean and recycle the dust on the surface of the base and the welding slag dropped from welding, avoiding the tediousness and time waste of manual cleaning. This not only improves work efficiency, but also reduces labor costs and the possibility of errors, thereby reducing labor costs.

[0013] According to the above technical solution, the knocking plate is slidably connected to the inner wall of the U-shaped plate, the surface shape of the sleeve tube three is set to an arc shape, and the scraper is slidably connected to the base. When the sleeve tube three rotates, it will contact and move the knocking plate through the arc plate on the surface to slide.

[0014] A metal pipe automatic welding device and an automatic welding method, using the above-mentioned metal pipe automatic welding device, further comprising the following steps: Step 1: When in use, start the motor, the output end of the motor rotates to drive the rotating shaft, and the rotating shaft rotates to drive the sleeve on the surface to slide under the action of the thread groove; Step 2: The sleeve 1 slides to drive the square plate 2 on the surface to move away from the end of the motor, and the square plate 2 moves away from the end of the motor to contact and squeeze the surface of the clamping plate; Step 3: When the clamping plate clamps the metal pipe body toward the end away from the limit plate, the stopper on the surface will be driven to move toward the end away from the clamping plate; Step 4: At the same time, the stopper moves toward the end away from the clamping plate to contact the surface of the extruded square plate 1. When the square plate 1 is extruded, it moves toward the direction of the card slot away from the surface of the placement block; Step 5: The slide plate is driven to move in the direction of the slot away from the surface of the placement block, and at the same time, the limit between the rotating drum and the placement block is released, so that the placement block contacts the surface of the metal pipe body and remains stable.

[0015] The present invention provides an automatic welding device and an automatic welding method for metal pipes, which have the following beneficial effects: (1) The metal pipe automatic welding device and automatic welding method, through the setting of the clamping device, through the cooperation between the placement block, the rotating cylinder, the slide plate, the telescopic elastic rod 1, the square plate 1, the slide groove 2, the clamp plate, the installation plate, the limit plate, the telescopic elastic rod 2, the stopper, the rotating shaft, the sleeve tube 1 and the square plate 2, prevent the metal pipe body 4 from shaking during the installation process, thereby affecting its fixation, conveniently and stably fix the pipe, and ensure that the pipe will not move or deform during the welding process. When the clamp plate clamps the metal pipe body toward the end away from the limit plate, it will drive the stopper on the surface to move toward the end away from the clamp plate. At the same time, the stopper moves toward the end away from the clamp plate and contacts the surface of the square plate 1. When the square plate 1 is squeezed, it moves toward the direction of the slot away from the placement block surface, and drives the slide plate to move toward the direction of the slot away from the placement block surface. At the same time, the limit between the rotating cylinder and the placement block is released, so that the placement block contacts the surface of the metal pipe body and remains stable, preventing shaking during welding, improving work efficiency and reducing labor costs.

[0016] (2) The metal pipe automatic welding device and automatic welding method, through the setting of the moving device, through the coordinated operation between the arc groove, the sleeve tube 2, the roller, the tooth block 1, the limit rod and the tooth block 2, the output end of the motor rotates to drive the rotating shaft, when the rotating shaft rotates, it will drive the sleeve tube 2 on the surface to rotate, the sleeve tube 2 rotates and drives the roller on the surface to rotate, the roller rotates and drives the tooth block 1 on the surface to rotate, when the tooth block 1 rotates, it will contact and mesh with the tooth block 2, and at the same time drive the rotating drum to rotate, and drive the metal pipe body to rotate, so as to realize the welding work at different positions, and can realize a continuous and stable welding process without manual intervention, thereby significantly improving production efficiency, improving production efficiency and welding quality, and reducing labor intensity and cost.

[0017] (3) The automatic welding device and method for metal pipes. Through the setting of the cleaning device, the U-shaped plate, the connecting shaft 1, the knocking plate, the sleeve tube 3, the connecting shaft 2, the L-shaped plate, the connecting shaft 3 and the scraper cooperate to operate and knock and clean the foreign matter and welding slag on the surface of the metal pipe body, which helps to reduce the interference of impurities in the welding process, ensure the smoothness and neatness of the weld, avoid welding defects caused by impurities, and thus improve the welding quality. Then, when the sleeve tube 3 rotates, it will drive the connecting shaft 2 on the surface to rotate. When the connecting shaft 2 rotates, it will drive the L-shaped plate to move left and right. When the L-shaped plate moves left and right, it will drive the connecting shaft 3 to move left and right. The left and right movement of the connecting shaft 3 will drive the scraper to move left and right. The left and right movement of the scraper will clean and recycle the dust on the surface of the base and the welding slag dropped by welding, avoiding the tediousness and time waste of manual cleaning. This not only improves work efficiency, but also reduces labor costs and the possibility of errors, thereby reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the neat structure of the present invention; Figure 2 It is a schematic diagram of the structure of the telescopic elastic rod 2 and the rotating shaft of the present invention; Figure 3 It is a structural schematic diagram of a square plate 1 and a slide plate of the present invention; Figure 4 It is a schematic diagram of the structure of the gear block 2 and the roller of the present invention; Figure 5 It is a structural schematic diagram of the limiting rod and the sleeve tube 2 of the present invention; Figure 6 It is a structural schematic diagram of the square plate 2 and the sleeve tube 1 of the present invention; Figure 7 It is a schematic diagram of the structure of the sleeve tube 3 and the knocking plate of the present invention; Figure 8 It is a schematic diagram of the structure of connecting shaft 2 and the scraper of the present invention.

[0019] In the figure: 1. base; 2. moving mechanism; 3. frame; 4. metal pipe body; 51. placement block; 52. rotating drum; 53. slide plate; 54. telescopic elastic rod 1; 55. square plate 1; 56. slide groove 2; 57. clamping plate; 58. mounting plate; 59. limiting plate; 510. telescopic elastic rod 2; 511. stopper; 61. rotating shaft; 62. sleeve tube 1; 63. arc groove; 64. sleeve tube 2; 65. roller; 66. tooth block 1; 67. limiting rod; 68. tooth block 2; 69. square plate 2; 71. U-shaped plate; 72. connecting shaft 1; 73. knocking plate; 74. sleeve tube 3; 75. connecting shaft 2; 76. L-shaped plate; 77. connecting shaft 3; 78. scraper; 8. motor. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-Figure 8An embodiment of the present invention is: an automatic welding device for metal pipes, comprising a base 1 and a metal pipe body 4, wherein the inner wall of the base 1 is provided with a moving mechanism 2, a frame 3 is slidably mounted on the circumferential surface of the moving mechanism 2, a motor 8 is fixedly mounted on the upper part of the frame 3, and further comprising a clamping device, a moving device and a cleaning device; wherein the clamping device comprises a placing block 51, a rotating drum 52, a slide plate 53, a telescopic spring rod 1 54, a square plate 1 55, a slide groove 2 56, a clamping plate 57, a mounting plate 58, a limiting plate 59, a telescopic spring rod 2 510, a stopper 51 1. Rotating shaft 61, sleeve tube 1 62 and square plate 2 69, start motor 8, the output end of motor 8 rotates to drive rotating shaft 61, the rotating shaft 61 rotates to drive sleeve tube 1 62 on the surface to slide under the action of the thread groove, the sleeve tube 1 62 slides to drive the square plate 2 69 on the surface to move away from the end of motor 8, the square plate 2 69 moves away from the end of motor 8 to contact and squeeze the surface of clamping plate 57, the placement block 51 is fixedly installed above the frame 3, the rotating drum 52 is rotatably installed on the inner wall of the placement block 51, and the surface of the rotating drum 52 is provided with There is a slide groove 1, a slide plate 53 is slidably mounted on the inner wall of the slide groove 1, a telescopic elastic rod 1 54 is fixedly mounted on the inner wall of the slide groove 1, a square plate 1 55 is fixedly mounted on the bottom of the slide plate 53, a slide groove 2 56 is opened on the side of the rotating drum 52, a clamping plate 57 is slidably mounted on the inner wall of the slide groove 2 56, a mounting plate 58 is fixedly mounted on the surface of the rotating drum 52, a limit plate 59 slides through the inner wall of the mounting plate 58, a telescopic elastic rod 2 510 is fixedly mounted on the inner wall of the limit plate 59, a stopper 511 is fixedly mounted on the surface of the clamping plate 57, and a rotating shaft 61 is fixedly mounted on the motor At the output end of 8, the sleeve tube 62 is slidably installed above the frame 3, and the square plate 69 is fixedly installed on the circumferential surface of the sleeve tube 62. When the square plate 55 is squeezed, it will move in the direction of the slot away from the surface of the placement block 51, and drive the slide plate 53 to move in the direction of the slot away from the surface of the placement block 51. At the same time, the limit between the rotating cylinder 52 and the placement block 51 is released, so that the placement block 51 contacts the surface of the metal pipe body 4 and remains stable, preventing shaking during welding, thereby improving work efficiency and reducing labor costs.

[0022] The free end of the telescopic elastic rod 54 is fixedly connected to the side of the slide plate 53, and the side of the square plate 55 close to the stop block 511 is set as an inclined surface 1. A spiral groove is provided on the surface of the rotating shaft 61, and the sleeve 62 is connected to the rotating shaft 61 through the spiral groove. When the stop block 511 moves toward the end away from the clamping plate 57, it will contact and squeeze the surface of the square plate 55. When the square plate 55 is squeezed, it will move in the direction of the slot away from the surface of the placement block 51.

[0023] A slot is provided on the surface of the placement block 51, and the slide plate 53 contacts the inner wall of the slot. The free end of the telescopic elastic rod 510 is fixedly connected to the top of the mounting plate 58, and moves in the direction away from the slot on the surface of the placement block 51, and drives the slide plate 53 to move in the direction away from the slot on the surface of the placement block 51.

[0024] An automatic welding device and an automatic welding method for a metal pipe, using an automatic welding device for a metal pipe, further comprising the following steps: Step 1: When in use, start the motor 8, the output end of the motor 8 rotates to drive the rotating shaft 61, and the rotating shaft 61 rotates to drive the sleeve 62 on the surface to slide under the action of the thread groove; Step 2: The sleeve 1 62 slides to drive the square plate 2 69 on the surface to move away from the end of the motor 8. The square plate 2 69 moves away from the end of the motor 8 to contact and squeeze the surface of the clamping plate 57; Step 3: When the clamping plate 57 clamps the metal pipe body 4 toward the end away from the limiting plate 59, the stopper 511 on the surface will be driven to move toward the end away from the clamping plate 57; Step 4: At the same time, the stopper 511 moves toward the end away from the clamping plate 57 to contact and squeeze the surface of the square plate 1 55. When the square plate 1 55 is squeezed, it moves toward the direction of the card slot away from the surface of the placement block 51; Step 5: The slide plate 53 is driven to move in the direction away from the slot on the surface of the placement block 51, and at the same time, the limit between the rotating drum 52 and the placement block 51 is released, so that the placement block 51 contacts the surface of the metal pipe body 4 and remains stable.

[0025] When this embodiment is working: when in use, the motor 8 is started, and the output end of the motor 8 rotates to drive the rotating shaft 61. The rotating shaft 61 rotates to drive the surface sleeve 1 62 to slide under the action of the threaded groove. The sliding of the sleeve 1 62 drives the surface square plate 2 69 to move away from one end of the motor 8. The movement of the square plate 2 69 away from one end of the motor 8 will contact and squeeze the surface of the clamping plate 57. When the clamping plate 57 is squeezed, it will squeeze the inclined surface of the limiting plate 59 and drive it to move upward. At this time, the clamping plate 57 moves to clamp the metal pipe body 4. After the limiting plate 59 moves upward, it squeezes the telescopic elastic rod 2 510 to contract, and under the action of the telescopic elastic rod 2 510, the clamping plate 57 is limited to prevent the metal pipe body 4 from shaking during the installation process, thereby affecting its fixation, conveniently and stably fixing the pipeline, and ensuring that the pipe is fixed during welding The pipe will not move or deform, thereby achieving precise docking, improving the accuracy and efficiency of welding, and also improving the welding quality and reducing labor costs. When the clamping plate 57 clamps the metal pipe body 4 toward the end away from the limiting plate 59, it will drive the surface block 511 to move toward the end away from the clamping plate 57. At the same time, the block 511 moves toward the end away from the clamping plate 57 to contact the surface of the extruded square plate 55. When the square plate 55 is squeezed, it will move in the direction of the slot away from the surface of the placement block 51, and drive the slide plate 53 to move in the direction of the slot away from the surface of the placement block 51. At the same time, the limit between the rotating drum 52 and the placement block 51 is released, so that the placement block 51 contacts the surface of the metal pipe body 4 and remains stable, preventing shaking during welding, improving work efficiency and reducing labor costs.

[0026] See also Figure 1-Figure 8On the basis of the above embodiment, in another embodiment of the present invention, the moving device includes an arc groove 63, a sleeve tube 64, a roller 65, a tooth block 66, a limit rod 67 and a tooth block 68. The output end of the motor 8 rotates to drive the rotating shaft 61. When the rotating shaft 61 rotates, it will drive the sleeve tube 64 on the surface to rotate. The sleeve tube 64 rotates to drive the roller 65 on the surface to rotate. The rotation of the roller 65 will drive the tooth block 66 on the surface to rotate. The arc groove 63 is provided on the surface of the sleeve tube 62. The sleeve tube 64 is slidably installed on the circumferential surface of the rotating shaft 61. The roller 65 is fixedly installed on the circumferential surface of the sleeve tube 64. The tooth block 66 6 is fixedly mounted on the surface of the roller 65, the limit rod 67 is fixedly mounted on the surface of the sleeve tube 64, the tooth block 68 is fixedly mounted on the surface of the rotating drum 52, and the sleeve tube 64 rotates to drive the roller 65 on the surface to rotate, and the rotation of the roller 65 will drive the tooth block 1 66 on the surface to rotate, and the tooth block 1 66 will contact and mesh with the tooth block 2 68 when rotating, and at the same time drive the rotating drum 52 to rotate, and drive the metal pipe body 4 to rotate, so as to realize the welding work at different positions, and realize the continuous and stable welding process, without manual intervention, thereby significantly improving the production efficiency, improving the production efficiency and welding quality, and reducing the labor intensity and cost.

[0027] One end of the limiting rod 67 away from the roller 65 is rotatably connected to the arc groove 63. The shape of the limiting rod 67 is set to be U-shaped. The rotation of the sleeve tube 64 drives the roller 65 on the surface to rotate.

[0028] The tooth block 1 66 is meshed with the tooth block 2 68 , and the side of the square plate 2 69 close to the limiting plate 59 is set as the inclined surface 2. When the tooth block 1 66 rotates, it will contact and mesh with the tooth block 2 68 .

[0029] The cleaning device includes a U-shaped plate 71, a connecting shaft 1 72, a knocking plate 73, a sleeve tube 3 74, a connecting shaft 2 75, an L-shaped plate 76, a connecting shaft 3 77 and a scraper 78. When the rotating shaft 61 rotates, the sleeve tube 3 74 on the surface will be driven to rotate. When the sleeve tube 3 74 rotates, it will contact and slide the knocking plate 73 through the arc plate on the surface. The knocking plate 73 will slide under the action of the connecting shaft 1 72. The U-shaped plate 71 is fixedly mounted on the side of the frame 3, the connecting shaft 1 72 is fixedly mounted on the inner wall of the U-shaped plate 71, the knocking plate 73 is rotatably mounted on the circumferential surface of the connecting shaft 1 72, and the sleeve tube 3 74 is fixedly mounted on the circumferential surface of the rotating shaft 61. The connecting shaft 2 75 is fixedly mounted on the surface of the sleeve 3 74, the L-shaped plate 76 is rotatably mounted on the circumferential surface of the connecting shaft 2 75, the connecting shaft 3 77 is rotatably mounted on the surface of the L-shaped plate 76, and the scraper 78 is fixedly mounted on the surface of the connecting shaft 3 77. When the L-shaped plate 76 moves left and right, it will drive the connecting shaft 3 77 to move left and right. When the connecting shaft 3 77 moves left and right, it will drive the scraper 78 to move left and right. The scraper 78 moves left and right to clean and recycle the dust on the surface of the base 1 and the welding slag dropped from the welding, avoiding the tediousness and time waste of manual cleaning. This not only improves work efficiency, but also reduces labor costs and the possibility of errors, thereby reducing labor costs.

[0030] The knocking plate 73 is slidably connected to the inner wall of the U-shaped plate 71, the surface shape of the sleeve tube three 74 is set to be arc-shaped, the scraper 78 is slidably connected to the base 1, and when the sleeve tube three 74 rotates, it will contact and move the knocking plate 73 to slide through the arc plate on the surface.

[0031] When this embodiment is working: during the movement of the sleeve tube 1 62, the limit rod 67 is driven to move through the arc groove 63, the limit rod 67 moves to drive the roller 65 to move, the roller 65 moves to drive the tooth block 1 66 to move, the tooth block 1 66 moves and engages with the tooth block 2 68 on the surface of the rotating drum 52, at this time, the output end of the motor 8 rotates to drive the rotating shaft 61, the rotating shaft 61 rotates to drive the sleeve tube 2 64 on the surface to rotate, the sleeve tube 2 64 rotates to drive the roller 65 on the surface to rotate, the roller 65 rotates to drive the tooth block 1 66 on the surface to rotate, the tooth block 1 66 rotates to drive the tooth block 2 68 to rotate, the tooth block 2 68 rotates to drive the rotating drum 52 to rotate, and drives the metal pipe body 4 to rotate, so as to realize welding work at different positions, and realize a continuous and stable welding process without manual intervention, thereby significantly improving production efficiency, improving production efficiency and welding quality, and reducing labor intensity and cost.

[0032] When the rotating shaft 61 rotates, it will drive the sleeve tube three 74 on the surface to rotate. When the sleeve tube three 74 rotates, it will contact and move the knocking plate 73 to slide through the arc plate on the surface. The knocking plate 73 will slide under the action of the connecting shaft one 72, and knock and clean the foreign matter and welding slag on the surface of the metal pipe body 4, which will help reduce the interference of impurities in the welding process, ensure the smoothness and tidiness of the weld, and avoid welding defects caused by impurities, thereby improving the welding quality. Subsequently, when the sleeve tube three 74 rotates, it will drive the connecting shaft two 75 on the surface to rotate. When the connecting shaft two 75 rotates, it will drive one end of the L-shaped plate 76 to rotate. The rotation of one end of the L-shaped plate 76 drives the connecting shaft three 77 to move left and right through the other end. The left and right movement of the connecting shaft three 77 will drive the scraper 78 to move left and right. The left and right movement of the scraper 78 will clean and recycle the dust on the surface of the base 1 and the welding slag dropped from the welding, avoiding the tediousness and time waste of manual cleaning. This not only improves work efficiency, but also reduces labor costs and the possibility of errors, thereby reducing labor costs.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic metal pipe welding device, comprising a base (1) and a metal pipe body (4), wherein the inner wall of the base (1) is provided with a moving mechanism (2), a frame (3) is slidably mounted on the circumferential surface of the moving mechanism (2), and a motor (8) is fixedly mounted above the frame (3), characterized in that: It also includes a clamping device, a moving device and a cleaning device; The clamping device comprises a placement block (51), a rotating cylinder (52), a slide plate (53), a telescopic elastic rod (54), a square plate (55), a slide groove (56), a clamp plate (57), a mounting plate (58), a limit plate (59), a telescopic elastic rod (510), a stop block (511), a rotating shaft (61), a sleeve cylinder (62) and a square plate (69), wherein the placement block (51) is fixedly mounted on the top of the frame (3), the rotating cylinder (52) is rotatably mounted on the inner wall of the placement block (51), a slide groove (1) is provided on the surface of the rotating cylinder (52), the slide plate (53) is slidably mounted on the inner wall of the slide groove (1), the telescopic elastic rod (54) is fixedly mounted on the inner wall of the slide groove (1), and the square plate The first (55) is fixedly mounted on the bottom of the slide plate (53), the second slide groove (56) is opened on the side of the rotating drum (52), the clamping plate (57) is slidably mounted on the inner wall of the second slide groove (56), the mounting plate (58) is fixedly mounted on the surface of the rotating drum (52), the limit plate (59) slides through the inner wall of the mounting plate (58), the second telescopic elastic rod (510) is fixedly mounted on the inner wall of the limit plate (59), the stopper (511) is fixedly mounted on the surface of the clamping plate (57), the rotating shaft (61) is fixedly mounted on the output end of the motor (8), the first sleeve tube (62) is slidably mounted on the top of the frame (3), and the second square plate (69) is fixedly mounted on the circumferential surface of the first sleeve tube (62).

2. The automatic metal pipe welding device according to claim 1 is characterized in that: The free end of the telescopic elastic rod (54) is fixedly connected to the side of the slide plate (53); a side of the square plate (55) close to the stopper (511) is provided with an inclined surface (1); a spiral groove is provided on the surface of the rotating shaft (61); and the sleeve (62) is connected to the rotating shaft (61) via the spiral groove.

3. The automatic metal pipe welding device according to claim 2 is characterized in that: A slot is provided on the surface of the placement block (51), the slide plate (53) contacts the inner wall of the slot, and the free end of the second telescopic elastic rod (510) is fixedly connected to the top of the mounting plate (58).

4. The automatic metal pipe welding device according to claim 3 is characterized in that: The moving device comprises an arc groove (63), a sleeve tube 2 (64), a roller (65), a tooth block 1 (66), a limiting rod (67) and a tooth block 2 (68); the arc groove (63) is formed on the surface of the sleeve tube 1 (62); the sleeve tube 2 (64) is slidably mounted on the circumferential surface of the rotating shaft (61); the roller (65) is fixedly mounted on the circumferential surface of the sleeve tube 2 (64); the tooth block 1 (66) is fixedly mounted on the surface of the roller (65); the limiting rod (67) is fixedly mounted on the surface of the sleeve tube 2 (64); and the tooth block 2 (68) is fixedly mounted on the surface of the rotating cylinder (52).

5. The automatic metal pipe welding device according to claim 4 is characterized in that: One end of the limiting rod (67) away from the roller (65) contacts the inner wall of the arc-shaped groove (63), and the shape of the limiting rod (67) is set to be U-shaped.

6. The automatic metal pipe welding device according to claim 5, characterized in that: The tooth block 1 (66) is meshed with the tooth block 2 (68), and a side of the square plate 2 (69) close to the limiting plate (59) is provided as a second inclined surface.

7. The automatic metal pipe welding device according to claim 6, characterized in that: The cleaning device comprises a U-shaped plate (71), a connecting shaft 1 (72), a knocking plate (73), a sleeve tube 3 (74), a connecting shaft 2 (75), an L-shaped plate (76), a connecting shaft 3 (77) and a scraper (78), wherein the U-shaped plate (71) is fixedly mounted on the side of the frame (3), the connecting shaft 1 (72) is fixedly mounted on the inner wall of the U-shaped plate (71), the knocking plate (73) is rotatably mounted on the circumferential surface of the connecting shaft 1 (72), the sleeve tube 3 (74) is fixedly mounted on the circumferential surface of the rotating shaft (61), the connecting shaft 2 (75) is fixedly mounted on the surface of the sleeve tube 3 (74), the L-shaped plate (76) is rotatably mounted on the circumferential surface of the connecting shaft 2 (75), the connecting shaft 3 (77) is rotatably mounted on the surface of the L-shaped plate (76), and the scraper (78) is fixedly mounted on the surface of the connecting shaft 3 (77).

8. The automatic metal pipe welding device according to claim 7, characterized in that: The surface shape of the sleeve tube three (74) is set to be an arc shape, and the scraper (78) is slidably connected to the base (1).

9. An automatic welding device and an automatic welding method for metal pipes, using the automatic welding device for metal pipes according to claim 8, characterized in that: The following steps are also included: Step 1: When in use, the motor (8) is started, and the output end of the motor (8) rotates to drive the rotating shaft (61), and the rotating shaft (61) rotates to drive the sleeve 1 (62) on the surface to slide under the action of the thread groove; Step 2: The sleeve tube 1 (62) slides to drive the square plate 2 (69) on the surface to move away from the end of the motor (8), and the end of the square plate 2 (69) that moves away from the motor (8) contacts and presses the surface of the clamping plate (57); Step 3: When the clamping plate (57) clamps the metal pipe body (4) toward the end away from the limiting plate (59), the stopper (511) on the surface is driven to move toward the end away from the clamping plate (57); Step 4: At the same time, the stopper (511) moves toward the end away from the clamping plate (57) to contact the surface of the squeezing square plate 1 (55). When the square plate 1 (55) is squeezed, it moves toward the direction of the slot away from the surface of the placement block (51); Step 5: The slide plate (53) is driven to move in a direction away from the slot on the surface of the placement block (51), and at the same time, the limit between the rotating drum (52) and the placement block (51) is released, so that the placement block (51) contacts the surface of the metal pipe body (4) and remains stable.

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