Welded pipe burr removing device

Abstract

The utility model relates to a welded pipe burr removing device, and relates to the technical field of pipe processing, the welded pipe burr removing device comprises a rack, a conveying mechanism, an inner burr removing mechanism, a driving mechanism, a lifting frame and an outer burr removing mechanism, the conveying mechanism is arranged on the rack, the inner burr removing mechanism comprises a turntable, a one-way screw, a third motor, a plurality of overturning rods, a thread bushing and an inner scraper, the third motor is installed on the rotating disc, the one-way screw rod is rotationally connected to the rotating disc, the output end of the third motor is connected with one end of the overturning rod, the rotating disc is slidably connected with the inner scraper by forming a limiting groove, and the one-way screw rod is rotationally connected with the threaded sleeve through a thread. One end of the overturning rod is hinged to the side wall of the threaded sleeve, and the other end of the overturning rod is hinged to the inner scraper. By arranging the conveying mechanism, the inner deburring mechanism and the outer deburring mechanism, inner and outer burr scraping operation can be carried out on welded pipes of different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe processing, in particular to a device for removing burrs from welded pipes. Background Art

[0002] Welded steel pipe, also known as welded pipe, is a steel pipe made by welding steel plates or strips after curling and forming, and is generally 6 meters long. The production process of welded steel pipe is simple, the production efficiency is high, there are many varieties and specifications, and the equipment investment is low.

[0003] At present, the Chinese utility model patent application with publication date of November 02, 2021 and publication number CN214558560U proposes a cross-arm large-diameter welding device, including an inner welding arm, an outer welding arm and a moving mechanism for placing the steel pipe to be processed, the inner welding arm is provided with an inner welding gun head, the outer welding arm is provided with an outer welding gun head, the inner welding arm is connected to an inner control mechanism for adjusting the position of the inner welding gun head, and the outer welding arm is connected to an outer control mechanism for adjusting the position of the outer welding gun head. The utility model has the following advantages and effects: The utility model replaces manual welding with a mechanical method, and can realize double-sided welding of steel pipes with smaller diameters, thereby improving the structural strength of the steel pipe and reducing labor costs and labor workload.

[0004] Since quality defects such as welding nodules are prone to appear on the weld surface after welding, the weld surface needs to be trimmed. In the prior art, welding nodules are generally removed by a cutting knife to improve the surface quality of the weld. However, the specifications of welded pipes in the prior art are different, and the welding positions of some welded pipes are also different. There are limitations in removing burrs. It is necessary to solve the applicability of the above technology in deburring welded pipes of different specifications. Utility Model Content

[0005] In order to be able to perform internal and external burr scraping operations on welded pipes of different specifications, the utility model provides a welded pipe burr removal device.

[0006] The utility model provides a weld pipe burr removal device, a weld pipe burr removal device comprises a frame, a conveying mechanism, an internal deburring mechanism, a driving mechanism, a lifting frame and an external deburring mechanism, the conveying mechanism is arranged on the frame, the conveying mechanism is used to transmit the weld pipe, the driving mechanism is used to drive the internal deburring mechanism to rotate, the internal deburring mechanism is arranged on the lifting frame, the internal deburring mechanism comprises a turntable, a one-way screw, a third motor, a plurality of flipping rods, a threaded sleeve and an inner scraper, the third motor is installed on the turntable, the one-way screw is rotatably connected to the turntable, the output end of the third motor is connected to one end of the flipping rod, the turntable is slidably connected to the inner scraper by providing a limiting groove, the one-way screw is rotatably connected to the threaded sleeve through a thread, one end of the flipping rod is hinged on the side wall of the threaded sleeve, and the other end is hinged on the inner scraper.

[0007] By adopting the above technical scheme, when removing burrs on the weld pipe, the weld pipe is placed on the conveying mechanism, the third motor is started, the screw is rotated, the threaded sleeve is moved in the direction of the length of the screw, the flipping angle of the flip rod is changed, and the inner scraper is driven to move in the direction away from the screw under the limit of the limit groove, and the inner scraper contacts the inner wall of the weld pipe during the movement, the conveying mechanism is started to convey the weld pipe, the driving mechanism is started to flip the inner deburring mechanism, and the inner scraper is driven to flip, so that the inner scraper rotates on the inner side of the weld pipe to remove the burrs; therefore, the setting of the inner deburring mechanism and the driving mechanism controls the distance between the inner scraper and the screw by rotating the screw, so that the inner scraper can contact the inner wall of the weld pipe with different inner diameters, and then the inner deburring mechanism is driven to flip through the driving mechanism, so that the inner scraper rotates on the inner side of the weld pipe, and the burrs on the inner diameter of the weld pipe are removed.

[0008] Optionally, the driving mechanism includes a shell, a first gear, a second gear and a fourth motor, the first gear, the second gear and the fourth motor are all arranged in the shell, the shell is fixedly mounted on the lifting frame, the shell is rotatably connected to the turntable by opening a through hole, the first gear is arranged on the outer wall of the turntable, the second gear is connected to the output end of the fourth motor, and the first gear is meshed with the second gear.

[0009] By adopting the above technical solution, after the inner scraper is in contact with the inner wall of the weld pipe, when it is necessary to drive the inner deburring mechanism to rotate, the fourth motor is started, the second gear is rotated, and the first gear is driven to rotate, the turntable is rotated, the inner scraper is flipped, and the inner scraper is rotated on the inner side of the weld pipe to remove the burrs. Therefore, the setting of the driving mechanism enables the inner deburring mechanism to be driven to rotate by starting the third motor through gear transmission when the scraping operation is needed, so that the inner scraper is rotated on the inner side of the weld pipe, and the burrs on the inner diameter of the weld pipe are removed.

[0010] Optionally, the conveying mechanism includes a driven friction roller, a first motor, a first rotating shaft, a plurality of active feed wheels, a first support plate and a second support plate, the first support plate and the second support plate are slidably arranged on a frame, and a control structure for controlling the sliding position of the first support plate and the second support plate is installed on the frame, the active feed wheel is tiltedly arranged on the first rotating shaft, the first rotating shaft is rotatably connected to the first support plate, the output end of the first motor is connected to the first rotating shaft, the driven friction roller is rotatably connected to the second support plate, and the welding pipe is placed on the top of the side wall between the active feed wheel and the driven friction roller.

[0011] By adopting the above technical solution, when the welded pipe needs to be transported, the control structure is used to move the first support plate and the second support plate to adjust the distance between the active feed wheel and the driven friction roller, so that the welded pipe can be placed on the top of the side wall between the active feed wheel and the driven friction roller, and the first motor is started, the inclined active feed wheel rotates, and drives the welded pipe to rotate while moving toward the direction close to the frame, and the burrs on the inner wall of the welded pipe are removed by the inner burr removal mechanism, and then the burrs on the outer wall of the welded pipe are removed by the outer burr removal mechanism. After the burr scraping operation inside and outside the welded pipe is completed, the first motor is used to control the active feed wheel It rotates in the opposite direction, and the inclined active feed wheel rotates in the opposite direction, and drives the weld pipe to rotate in the opposite direction, while moving the weld pipe away from the frame until it is transported to the outside of the frame; therefore, the setting of the conveying mechanism and starting the first motor can enable the rotating active feed wheel to drive the weld pipe to rotate while conveying the weld pipe, so that the internal deburring mechanism and the external deburring mechanism can scrape the burrs on the weld pipe. The first motor is used to reversely rotate the active feed wheel, so that the weld pipe moves in the direction away from the frame during the rotation, thereby achieving the operation of conveying the weld pipe to the outside of the frame, and the operation is simple and convenient.

[0012] Optionally, the frame includes a base and a top seat, the top seat is connected to a connecting frame, the connecting frame is set on the base, the base is slidably installed with a first support plate and a second support plate by opening a slide groove, the control structure includes a plurality of second motors and a bidirectional screw, the second motor is installed on the base, the bidirectional screw is rotatably set in the slide groove, the output end of the second motor passes through the side wall of the base and is connected to the bidirectional screw, the side walls at both ends of the bidirectional screw are provided with threads in opposite directions, and the first support plate and the second support plate are rotatably connected to the two ends of the bidirectional screw through threads.

[0013] By adopting the above technical solution, when placing the welded pipe, the second motor is started, the bidirectional screw is rotated, the first support plate and the second support plate are moved in the direction away from or close to each other, and the active feed wheel and the driven friction roller are driven to move in the direction away from or close to each other. When the distance between the active feed wheel and the driven friction roller is appropriate, the second motor is turned off, and the welded pipe is placed on the top of the side wall between the active feed wheel and the driven friction roller. Therefore, the setting of the control structure enables the staff to start the second motor and the bidirectional screw to rotate when placing welded pipes of different specifications, so that the first support plate and the second support plate are moved in the direction away from or close to each other, thereby achieving the effect of controlling the distance between the active feed wheel and the driven friction roller, and facilitating the staff to place welded pipes of different specifications on the conveying mechanism.

[0014] Optionally, the external deburring mechanism includes a connecting rod, a plurality of cylinders and an external scraper, the cylinder is mounted on a top seat, both ends of the connecting rod are connected to output ends of the cylinder, and the external scraper is fixedly mounted on the connecting rod.

[0015] By adopting the above technical solution, when it is necessary to remove burrs from the outer wall of the welded pipe, the welded pipe is being transported on the conveying structure while also rotating. The cylinder is started to move the outer scraper in the direction close to the welded pipe until it contacts the outer wall of the welded pipe, and the outer scraper removes burrs from the outer wall of the rotating welded pipe. Therefore, when facing welded pipes of different specifications, the setting of the external deburring mechanism can start the cylinder to make the outer scraper contact the outer walls of welded pipes of different specifications, and the welded pipe is rotated by the conveying structure, so that the outer scraper can scrape the burrs on the outer wall of the rotating welded pipe, and the operation is simple and convenient.

[0016] Optionally, the lifting frame includes a base plate, a top plate, an electric telescopic rod, a plurality of first articulated rods, a second articulated rod, a second rotating shaft and a slide, wherein two ends of the first articulated rod are respectively hinged on the base plate and the top plate, two ends of the second articulated rod are rotatably connected to the second rotating shaft, slides are provided on the base plate and the top plate, the second rotating shaft is slidably connected in the slide, the first articulated rod is rotatably connected to the second articulated rod in an X shape, the electric telescopic rod is fixedly mounted on the base plate, the free end of the electric telescopic rod is connected to the second rotating shaft close to the base plate, and the shell is mounted on the top plate.

[0017] By adopting the above technical solution, when it is necessary to adjust the height of the inner scraper, the electric telescopic rod is started to control the sliding position of the second shaft in the slideway, the second hinged rod is flipped, the high positions of the first hinged rod and the second hinged rod are moved in an inclined upward or downward direction, and the top plate is driven to move upward or downward, the turntable installed on the shell is rotated to move upward or downward, and the inner scraper is driven to move upward or downward. Therefore, the setting of the lifting frame, when facing the welding pipes of different sizes placed on the top of the side wall between the active feed wheel and the driven friction roller, the welding pipes of different sizes are placed at different heights, and the height of the inner burr scraping mechanism can be adjusted by starting the lifting frame, which facilitates the inner scraper to extend into the inside of the welding pipe for scraping burrs.

[0018] In summary, the present invention includes at least one of the following beneficial technical effects:

[0019] 1. The internal deburring mechanism and the driving mechanism are set up, the third motor is started, the screw is rotated, and the threaded sleeve moves along the length direction of the screw, so that the flipping angle of the flipping rod is changed, and the internal scraper is driven to move in the direction away from the screw under the limit of the limit groove. During the movement, the internal scraper contacts the inner wall of the weld pipe, and then the driving mechanism is used to drive the internal deburring mechanism to flip, so that the internal scraper rotates on the inside of the weld pipe, and the burrs on the inner diameter of the weld pipe are removed.

[0020] 2. When facing welded pipes of different specifications, the outer scraper can be brought into contact with the outer wall of welded pipes of different specifications by starting the cylinder, and the welded pipe can be rotated through the conveying structure, so that the outer scraper can scrape off the burrs on the outer wall of the rotating welded pipe. The operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure;

[0022] Figure 2 yes Figure 2 yes Figure 1 Sectional view along AA direction;

[0023] Figure 3 It is a schematic diagram of the internal deburring mechanism and part of the driving mechanism;

[0024] Figure 4 yes Figure 3 Enlarged view of middle part B;

[0025] Figure 5 for Figure 1 Enlarged view of part A in the middle.

[0026] Description of reference numerals: 10, frame; 11, top seat; 12, base; 13, slide; 20, conveying mechanism; 21, driven friction roller; 22, first motor; 23, first rotating shaft; 24, active feeding wheel; 25, first supporting plate; 26, second supporting plate; 27, control structure; 271, second motor; 272, bidirectional screw; 30, internal deburring mechanism; 31, rotating disk; 32, unidirectional screw; 33, third motor; 34. Flip rod; 35. Threaded sleeve; 36. Inner scraper; 40. Driving mechanism; 41. Shell; 42. First gear; 43. Second gear; 44. Fourth motor; 50. External deburring mechanism; 51. Connecting rod; 52. Cylinder; 53. External scraper; 60. Lifting frame; 61. Bottom plate; 62. Top plate; 63. Electric telescopic rod; 64. First articulated rod; 65. Second articulated rod; 66. Second rotating shaft; 67. Slideway. DETAILED DESCRIPTION

[0027] The following combination Figure 1-Figure 5 The utility model is described in further detail.

[0028] This embodiment discloses a welded pipe burr removal device: Figure 1-Figure 5 A weld pipe burr removal device includes a frame 10, a conveying mechanism 20, an internal deburring mechanism 30, a driving mechanism 40, an external deburring mechanism 50 and a lifting frame 60, wherein the conveying mechanism 20 is arranged on the frame 10, the conveying mechanism 20 is used to transmit the weld pipe, the driving mechanism 40 is used to drive the internal deburring mechanism 30 to rotate, the internal deburring mechanism 30 is arranged on the lifting frame 60, and the external deburring mechanism 50 is used to scrape off burrs on the outer wall of the weld pipe.

[0029] When it is necessary to remove the burrs on the weld pipe, the weld pipe is first placed on the conveying mechanism 20 to convey the weld pipe, the driving mechanism 40 is started, the internal deburring mechanism 30 is driven to rotate and the burrs on the inner wall of the weld pipe are removed, and the external deburring mechanism 50 is started to remove the burrs on the outer wall of the weld pipe.

[0030] Reference Figure 1-Figure 2 The conveying mechanism 20 includes a driven friction roller 21, a first motor 22, a first rotating shaft 23, a plurality of active feed wheels, a first support plate 25 and a second support plate 26, the first support plate 25 and the second support plate 26 are slidably arranged on the frame 10, and a control structure 27 for controlling the sliding position of the first support plate 25 and the second support plate 26 is installed on the frame 10, the active feed wheel is tiltedly arranged on the first rotating shaft 23, the first rotating shaft 23 is rotatably connected to the first support plate 25, the output end of the first motor 22 is connected to the first rotating shaft 23, the driven friction roller 21 is rotatably connected to the second support plate 26, and the welded pipe is placed on the top of the side wall between the active feed wheel and the driven friction roller 21.

[0031] When the welded pipe needs to be transported, the control structure 27 is used to move the first support plate 25 and the second support plate 26 to adjust the distance between the active feed wheel and the driven friction roller 21, so that the welded pipe can be placed on the top of the side wall between the active feed wheel and the driven friction roller 21, and the first motor 22 is started. The inclined active feed wheel rotates and drives the welded pipe to rotate while moving toward the frame 10. The driving mechanism 40 is started to drive the internal deburring mechanism 30 to rotate and remove the burrs on the inner wall of the welded pipe. The external deburring mechanism 50 is started to remove the burrs on the outer wall of the welded pipe. After the burr scraping operation inside and outside the welded pipe is completed, the first motor 22 is used to control the active feed wheel. The feed wheel 24 rotates in the opposite direction, and the inclined active feed wheel rotates in the opposite direction, driving the weld pipe to rotate in the opposite direction while moving the weld pipe away from the frame 10 until it is transported to the outside of the frame 10; the setting of the conveying mechanism 20 and starting the first motor 22 can make the rotating active feed wheel drive the weld pipe to rotate while conveying the weld pipe, so as to facilitate the internal deburring mechanism 30 and the external deburring mechanism 50 to scrape the burrs on the weld pipe. The first motor 22 is used to rotate the active feed wheel in the opposite direction, so that the weld pipe moves in the direction away from the frame 10 during the rotation, thereby achieving the operation of conveying the weld pipe to the outside of the frame 10, and the operation is simple and convenient.

[0032] Reference Figure 2 The frame 10 includes a base 12 and a top seat 11, the top seat 11 is connected to the connecting frame, the connecting frame is arranged on the base 12, the base 12 is provided with a slide groove 13 to slide and install the first support plate 25 and the second support plate 26, the control structure 27 includes a plurality of second motors 271 and a bidirectional screw 272, the second motor 271 is installed on the base 12, the bidirectional screw 272 is rotatably arranged in the slide groove 13, the output end of the second motor 271 passes through the side wall of the base 12 and is connected to the bidirectional screw 272, the side walls at both ends of the bidirectional screw 272 are provided with threads in opposite directions, the first support plate 25 and the second support plate 26 are rotatably connected to the two ends of the bidirectional screw 272 through threads.

[0033] When placing the welded pipe, the second motor 271 is started, and the bidirectional screw 272 is rotated to move the first support plate 25 and the second support plate 26 in the direction away from or close to each other, and drive the active feed wheel 24 and the driven friction roller 21 to move in the direction away from or close to each other. When the distance between the active feed wheel 24 and the driven friction roller 21 is appropriate, the second motor 271 is turned off, and the welded pipe is placed on the top of the side wall between the active feed wheel 24 and the driven friction roller 21. Therefore, the setting of the control structure 27 enables the staff to start the second motor 271 and the bidirectional screw 272 to rotate when placing welded pipes of different specifications, so that the first support plate 25 and the second support plate 26 are moved in the direction away from or close to each other, thereby achieving the effect of controlling the distance between the active feed wheel 24 and the driven friction roller 21, and facilitating the staff to place welded pipes of different specifications on the conveying mechanism 20.

[0034] Reference Figure 3-4 The internal deburring mechanism 30 includes a turntable 31, a one-way screw 32, a third motor 33, a plurality of flip rods 34, a threaded sleeve 35 and an inner scraper 36. The third motor 33 is installed on the turntable 31. The one-way screw 32 is rotatably connected to the turntable 31. The output end of the third motor 33 is connected to one end of the flip rod 34. The turntable 31 is slidably connected to the inner scraper 36 by providing a limiting groove. The one-way screw 32 is rotatably connected to the threaded sleeve 35 through a thread. One end of the flip rod 34 is hinged on the side wall of the threaded sleeve 35, and the other end is hinged on the inner scraper 36.

[0035] When removing burrs from the welded pipe, the welded pipe is placed on the conveying mechanism 20, the third motor 33 is started, the screw is rotated, the threaded sleeve 35 is moved in the direction of the screw length, the flipping angle of the flipping rod 34 is changed, and the inner scraper 36 is driven to move in the direction away from the screw under the limit of the limit groove, and the inner scraper 36 contacts the inner wall of the welded pipe during the movement, the conveying mechanism 20 is started to convey the welded pipe, the driving mechanism 40 is started to flip the inner deburring mechanism 30, and the inner scraper 36 is driven to flip, so that the inner scraper 36 rotates inside the welded pipe to remove the burrs; therefore, the setting of the inner deburring mechanism 30 and the driving mechanism 40 controls the distance between the inner scraper 36 and the screw by rotating the screw, so that the inner scraper 36 can contact the inner wall of the welded pipe with different inner diameters, and then the inner deburring mechanism 30 is driven to flip through the driving mechanism 40, so that the inner scraper 36 rotates inside the welded pipe, and the burrs on the inner diameter of the welded pipe are removed.

[0036] Reference Figure 2-3The driving mechanism 40 includes a shell 41, a first gear 42, a second gear 43 and a fourth motor 44. The first gear 42, the second gear 43 and the fourth motor 44 are all arranged in the shell 41. The shell 41 is fixedly installed on the lifting frame 60. The shell 41 is rotatably connected to the turntable 31 by opening a through hole. The first gear 42 is arranged on the outer wall of the turntable 31. The second gear 43 is connected to the output end of the fourth motor 44. The first gear 42 is meshed with the second gear 43.

[0037] After the inner scraper 36 is in contact with the inner wall of the weld pipe, when it is necessary to drive the inner deburring mechanism 30 to rotate, the fourth motor 44 is started, the second gear 43 is rotated, and the first gear 42 is driven to rotate, the turntable 31 is rotated, and the inner scraper 36 is flipped. The inner scraper 36 rotates on the inside of the weld pipe to remove the burrs. Therefore, the setting of the driving mechanism 40 enables the inner deburring mechanism 30 to be driven to rotate by starting the third motor 33 through gear transmission when it is necessary to perform a scraping operation, so that the inner scraper 36 rotates on the inside of the weld pipe and removes the burrs on the inner diameter of the weld pipe.

[0038] Reference Figure 1-2 The external deburring mechanism 50 includes a connecting rod 51, a plurality of cylinders 52 and an external scraper 53. The cylinder 52 is installed on the top seat 11. Both ends of the connecting rod 51 are connected to the output end of the cylinder 52. The external scraper 53 is fixedly installed on the connecting rod 51.

[0039] When it is necessary to remove burrs from the outer wall of the weld pipe, the weld pipe is being transported on the conveying structure while also rotating. The cylinder 52 is started to move the outer scraper 53 in the direction close to the weld pipe until it contacts the outer wall of the weld pipe. The outer scraper 53 removes burrs from the outer wall of the rotating weld pipe. Therefore, when facing weld pipes of different specifications, the setting of the external deburring mechanism 50 can start the cylinder 52 to make the outer scraper 53 contact the outer walls of weld pipes of different specifications, and the weld pipe is rotated through the conveying structure, so that the outer scraper 53 can scrape the burrs on the outer wall of the rotating weld pipe. The operation is simple and convenient.

[0040] Reference Figure 5The lifting frame 60 includes a bottom plate 61, a top plate 62, an electric telescopic rod 63, a plurality of first hinged rods 64, a second hinged rod 65, a second rotating shaft 66 and a slide 67. The two ends of the first hinged rod 64 are respectively hinged on the bottom plate 61 and the top plate 62, and the two ends of the second hinged rod 65 are rotatably connected to the second rotating shaft 66. The bottom plate 61 and the top plate 62 are both provided with a slide 67, and the second rotating shaft 66 is slidably connected in the slide 67. The first hinged rod 64 is rotatably connected to the second hinged rod 65 in an X shape. The electric telescopic rod 63 is fixedly installed on the bottom plate 61, and the free end of the electric telescopic rod 63 is connected to the second rotating shaft 66 close to the bottom plate 61. The shell 41 is installed on the top plate 62.

[0041] When the height of the inner scraper 36 needs to be adjusted, the electric telescopic rod 63 is started to control the sliding position of the second rotating shaft 66 in the slide 67, the second hinged rod 65 is flipped, the second hinged rod 65 is flipped, the high positions of the first hinged rod 64 and the second hinged rod 65 are moved in an inclined upward or downward direction, and the top plate 62 is driven to move upward or downward, the turntable 31 installed on the shell 41 is rotated to move upward or downward, and the inner scraper 36 is driven to move upward or downward. Therefore, the setting of the lifting frame 60, when facing the welding pipes of different sizes placed on the top of the side wall between the active feed wheel and the driven friction roller 21, the welding pipes of different sizes are placed at different heights, and the height of the inner burr scraping mechanism can be adjusted by starting the lifting frame 60, which facilitates the inner scraper 36 to extend into the inside of the welding pipe for burr scraping.

[0042] In this embodiment, the implementation principle of a welded pipe burr removal device is as follows:

[0043] When the weld pipe needs to be deburred, the second motor 271 is driven to rotate the bidirectional thread to move the first support plate 25 and the second support plate 26 to adjust the distance between the active feed wheel and the driven friction roller 21 so that the weld pipe can be placed on the top of the side wall between the active feed wheel and the driven friction roller 21. The first motor 22 is started to rotate the inclined active feed wheel and drive the weld pipe to rotate while moving toward the frame 10 and extending the inner scraper 36 into the weld pipe. The third motor 33 is started to rotate the screw and the threaded sleeve 35 is moved in the direction of the screw length to change the flip angle of the flip rod 34 and drive the inner scraper 36 to move in the direction away from the screw under the limit of the limit groove. The inner scraper 36 moves During the process, the scraper 36 contacts the inner wall of the weld pipe, starts the fourth motor 44, and the second gear 43 rotates, driving the first gear 42 to rotate. The turntable 31 rotates, and the inner scraper 36 flips over. The inner scraper 36 rotates on the inner side of the weld pipe to remove the burrs. The cylinder 52 is started to move the outer scraper 53 in the direction close to the weld pipe until it contacts the outer wall of the weld pipe. The outer scraper 53 removes the burrs on the outer wall of the rotating weld pipe. After the burr scraping operation inside and outside the weld pipe is completed, the first motor 22 is used to control the active feed wheel 24 to rotate in the opposite direction. The active feed wheel rotates in the opposite direction, and drives the weld pipe to rotate in the opposite direction, while moving the weld pipe away from the frame 10 until it is transported to the outside of the frame 10.

[0044] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A welded pipe burr removal device, comprising a frame (10), a conveying mechanism (20), an internal deburring mechanism (30), a driving mechanism (40), a lifting frame (60) and an external deburring mechanism (50), characterized in that: The conveying mechanism (20) is arranged on the frame (10), and the conveying mechanism (20) is used to convey the welded pipe. The driving mechanism (40) is used to drive the internal deburring mechanism (30) to rotate. The internal deburring mechanism (30) is arranged on the lifting frame (60), and the internal deburring mechanism (30) comprises a rotating disk (31), a one-way screw rod (32), a third motor (33), a plurality of turning rods (34), a threaded sleeve (35) and an internal scraper (36). The third motor (33) is installed on the turntable (31), the one-way screw (32) is rotatably connected to the turntable (31), the output end of the third motor (33) is connected to one end of the flip rod (34), the turntable (31) is slidably connected to the inner scraper (36) by providing a limit groove, the one-way screw (32) is rotatably connected to the threaded sleeve (35) through a thread, one end of the flip rod (34) is hinged on the side wall of the threaded sleeve (35), and the other end is hinged on the inner scraper (36).

2. A welded pipe burr removal device according to claim 1, characterized in that: The driving mechanism (40) comprises a housing (41), a first gear (42), a second gear (43) and a fourth motor (44); the first gear (42), the second gear (43) and the fourth motor (44) are all arranged in the housing (41); the housing (41) is fixedly mounted on the lifting frame (60); the housing (41) is rotatably connected to the rotating disk (31) by opening a through hole; the first gear (42) is arranged on the outer wall of the rotating disk (31); the second gear (43) is connected to the output end of the fourth motor (44); and the first gear (42) is meshed with the second gear (43).

3. The welded pipe burr removal device according to claim 1, characterized in that: The conveying mechanism (20) comprises a driven friction roller (21), a first motor (22), a first rotating shaft (23), a plurality of active feed wheels, a first support plate (25) and a second support plate (26); the first support plate (25) and the second support plate (26) are slidably arranged on a frame (10); a control structure (27) for controlling the sliding positions of the first support plate (25) and the second support plate (26) is installed on the frame (10); the active feed wheel is tiltedly arranged on the first rotating shaft (23); the first rotating shaft (23) is rotatably connected to the first support plate (25); an output end of the first motor (22) is connected to the first rotating shaft (23); the driven friction roller (21) is rotatably connected to the second support plate (26); and the welding pipe is placed on the top of the side wall between the active feed wheel and the driven friction roller (21).

4. A welded pipe burr removal device according to claim 3, characterized in that: The frame (10) comprises a base (12) and a top base (11), wherein the top base (11) is connected to a connecting frame, and the connecting frame is arranged on the base (12). The base (12) is provided with a slide groove (13) to slideably install a first support plate (25) and a second support plate (26). The control structure (27) comprises a plurality of second motors (271) and a bidirectional screw (272), wherein the second motor (271) is installed on the base (12), and the bidirectional screw (272) is rotatably arranged in the slide groove (13). The output end of the second motor (271) passes through the side wall of the base (12) and is connected to the bidirectional screw (272). The side walls at both ends of the bidirectional screw (272) are provided with threads in opposite directions, and the first support plate (25) and the second support plate (26) are rotatably connected to the two ends of the bidirectional screw (272) through threads.

5. A welded pipe burr removal device according to any one of claims 1 to 4, characterized in that: The external deburring mechanism (50) comprises a connecting rod (51), a plurality of cylinders (52) and an external scraper (53); the cylinder (52) is mounted on a top seat (11); both ends of the connecting rod (51) are connected to output ends of the cylinder (52); and the external scraper (53) is fixedly mounted on the connecting rod (51).

6. A welded pipe burr removal device according to claim 2, characterized in that: The lifting frame (60) comprises a bottom plate (61), a top plate (62), an electric telescopic rod (63), a plurality of first hinged rods (64), a second hinged rod (65), a second rotating shaft (66) and a slideway (67). The two ends of the first hinged rod (64) are respectively hinged on the bottom plate (61) and the top plate (62). The two ends of the second hinged rod (65) are rotatably connected to the second rotating shaft (66). The bottom plate (61) and the top plate (62) are both provided with a slideway (67). The second rotating shaft (66) is slidably connected in the slideway (67). The first hinged rod (64) and the second hinged rod (65) are rotatably connected to form an X shape. The electric telescopic rod (63) is fixedly mounted on the bottom plate (61). The free end of the electric telescopic rod (63) is connected to the second rotating shaft (66) close to the bottom plate (61). The shell (41) is mounted on the top plate (62).

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