An automatic feeding welding pipe internal welding rib cleaning system

Abstract

The present invention discloses an automatic feeding welding pipe internal weld rib cleaning system in the field of welding pipe processing, comprising a blanking device, a blanking area of ​​the blanking device is provided with a pipe end alignment device, the pipe end alignment device is arranged corresponding to the feeding area of ​​the pipe transmission device, the unloading area of ​​the pipe transmission device is provided with a tube transmission device, and a clamping blowing cleaning device is provided corresponding to the tube transmission device. The present invention can automatically transport the welding pipe upward to the blowing position, and then blow away the internal weld ribs in the welding pipe, and clean the internal weld ribs, with a high degree of automation and convenient cleaning.

Description

Technical Field

[0001] The invention belongs to the field of welded pipe processing, and in particular relates to an automatic feeding welded pipe internal weld rib cleaning system. Background Art

[0002] In the prior art, steel pipes are divided into seamless steel pipes and welded steel pipes. Welded steel pipes have lower production costs and higher production efficiency than seamless steel pipes. The production process of welded steel pipes is as follows: the steel coil is fixed on the unwinding rack, the end of the steel strip is sent to the leveling mechanism for leveling through the storage device, and then the steel strip enters the roller forming machine in turn to form into a tube, and then the pipe seam is welded and squeezed and sealed by the welding device, and then tracked and cut by the cutting device, and then welded pipes are obtained one by one. The above processes are completed continuously. After the pipe seam is welded, internal weld ribs will be left inside the steel pipe. After the steel pipe is cut, it falls on the blanking device, and the internal weld ribs need to be removed.

[0003] The Chinese patent database discloses a device for removing internal weld ribs for high-frequency welded pipes, with patent application number: 201721375318.3; application date: 2017.10.24; its structure includes a first arc-shaped pipe clamp, a cylinder, a second arc-shaped pipe clamp, a slide rail, a screw rod, a lifting block, a rotating motor and a rib removal device, the upper surface of the right side of the support seat is also fixed with a slide rail by screws, a slide table is slidably installed on the slide rail, the left side of the lifting block is also connected with a bracket by screws, a rotating motor is clamped inside the bracket, the output shaft of the rotating motor is horizontally left and connected to a connecting shaft through a coupling, and a rib removal device is installed at the left end of the connecting shaft. The device can make the scraper fit the inner wall of the weld pipe according to the inner diameter of the weld pipe, and there is no need to replace the scraper for weld pipes with different inner diameters, but its disadvantage is that: in the process of scraping the internal weld ribs, the scraped internal weld ribs will fall on the inner bottom wall of the weld pipe, the length of the weld pipe is long, and manual cleaning is not convenient, so the internal weld ribs in the weld pipe are not completely removed. Summary of the invention

[0004] The purpose of the present invention is to provide an automatic feeding welding pipe internal weld rib cleaning system, which can automatically transport the welding pipe upward to the blowing position, and then blow away the internal weld ribs in the welding pipe to clean the internal weld ribs, with a high degree of automation and convenient cleaning.

[0005] The objective of the present invention is achieved in this way: an automatic feeding system for cleaning weld ribs in welded pipes comprises a blanking device, a blanking area of ​​the blanking device is provided with a pipe end alignment device, the pipe end alignment device is arranged corresponding to the feeding area of ​​a pipe transmission device, the unloading area of ​​the pipe transmission device is provided with a tube transmission device, and a clamping air blowing cleaning device is provided corresponding to the tube transmission device.

[0006] When the present invention is working, the welded pipes after cutting and forming fall one by one onto the blanking device, the welded pipes are transmitted on the blanking device, the blanked welded pipes fall onto the pipe end alignment device, the welded pipes are aligned, and then the pipe transmission device transmits the welded pipes upward to the trustee transmission device, the trustee transmission device transmits the welded pipes to the blowing position, the clamping and blowing cleaning device clamps the welded pipes, and blows away the internal weld ribs in the welded pipes, and the trustee transmission device then sends away the cleaned welded pipes. Compared with the prior art, the beneficial effects of the present invention are: it can realize the automatic transmission of the welded pipes cut and formed on the production line to the blowing position, and then blow away the internal weld ribs in the welded pipes, and clean the internal weld ribs, with a high degree of automation and convenient cleaning.

[0007] As a further improvement of the present invention, the blanking device includes a blanking machine base, on which a plurality of rotatable transmission rollers are arranged in sequence from front to back, the transmission rollers are arranged horizontally, and each transmission roller is connected to a rotating drive mechanism in a transmission manner. The pipe fittings are horizontally supported on the transmission rollers, and the blanking machine base is provided with a pushing mechanism that can push the pipe fittings to the blanking area, and the blanking machine base is provided with a detection sensor for detecting qualified pipe fittings and defective pipe fittings. The welded pipe after cutting and forming is supported on each transmission roller, and the rotating drive mechanism drives each transmission roller to rotate, and the welded pipe is transmitted along the blanking machine base. When the welded pipe is sent to the tail end of the blanking machine base, the pushing mechanism works, and the detection sensor distinguishes qualified welded pipes and defective welded pipes. The pushing mechanism pushes qualified welded pipes to the blanking area and pushes defective welded pipes to the defective recovery area.

[0008] As a further improvement of the present invention, the pushing mechanism includes at least one group of bidirectional pushing components, the bidirectional pushing components include a blanking plate and a collecting blanking plate, the bidirectional pushing components are located below the pipe fitting, the upper side of the blanking plate is inclined and arranged corresponding to the blanking area, the blanking plate and the transmission roller are staggered, and the blanking plate is connected to a lifting drive mechanism; the upper side of the collecting blanking plate is inclined and arranged corresponding to the defective product recovery area, the collecting blanking plate and the transmission roller are staggered, the collecting blanking plate is connected to a lifting drive mechanism, the lifting drive mechanism is arranged on the blanking machine base, and the lifting drive mechanism is a cylinder, an oil cylinder, a screw assembly or a linear motor. After the welded pipe is transmitted to the tail end of the blanking machine base, if it is detected to be a qualified product, the blanking plate rises to push the qualified welded pipe to the blanking area, and if it is detected to be a defective product, the collecting blanking plate rises to push the defective welded pipe to the defective product recovery area.

[0009] As a further improvement of the present invention, the rotary drive mechanism 1 includes a plurality of gear transmission boxes corresponding to each transmission roller, and the gear transmission box is provided with a rotating shaft 1 and a rotating shaft 2 which are perpendicular to each other, the rotating shaft 1 is parallel to the axis of the pipe, the rotating shaft 2 is coaxially arranged with the wheel shaft of the corresponding transmission roller, the rotating shaft 1 and the rotating shaft 2 are both sleeved with bevel gears, the two bevel gears are meshed with each other, one end of the rotating shaft 2 extends out of the gear transmission box and is transmission-connected with one end of the corresponding transmission roller, both ends of the rotating shaft 1 extend out of the gear transmission box, the extending ends of the rotating shaft 1 of two adjacent gear transmission boxes are connected through a universal joint, the rotating shaft 1 of any gear transmission box is transmission-connected with the pulley shaft through the universal joint, and the pulley shaft is transmission-connected with the motor through the pulley mechanism. The motor drives the pulley shaft to rotate through the pulley mechanism, and the pulley shaft drives the rotating shaft 1 of any gear transmission box to rotate through the universal joint, and each gear transmission box is connected through the universal joint, so each rotating shaft 1 is linked, the rotating shaft 1 drives the rotating shaft 2 to rotate through the bevel gear, and the rotating shaft 2 drives the transmission roller to rotate, and each transmission roller is linked.

[0010] As a further improvement of the present invention, the pipe end alignment device includes a plurality of alignment rollers, each alignment roller is arranged in one-to-one correspondence with a row of transmission rollers, the roller shaft of the alignment roller is transmission-connected with the other end of the corresponding transmission roller, the two ends of the roller shaft of the alignment roller are rotationally supported on the bearing seat, the bearing seat is installed on the roller seat, the roller seat is fixedly connected with the blanking machine seat, and the tail end of the blanking machine seat is provided with an alignment end plate corresponding to the alignment roller, the back of the alignment end plate elastically abuts against the spring, and a proximity switch is provided at the alignment end plate. The alignment roller is the blanking area, the alignment roller rotates synchronously with the transmission roller, saves power, and has a compact structure and layout. After the qualified welded pipe falls into the blanking area, the alignment roller drives the qualified welded pipe to move toward the alignment end plate to align the qualified welded pipe. After the proximity switch detects that the welded pipe is in place, the pipe transmission device works.

[0011] As a further improvement of the present invention, the pipe transmission device includes a plurality of chain racks arranged in parallel from front to back, the chain racks are staggered with the alignment flat rollers, and the chain racks are respectively provided with a rotatable lower sprocket and an upper sprocket, the lower sprocket is arranged corresponding to the blanking machine base, the lower sprocket and the upper sprocket are connected by an inclined chain transmission, and a plurality of L-shaped support brackets for hooking the pipe are arranged on the chain in sequence, and flexible friction-reducing pads are provided on the surface of the support brackets, and the corresponding sprocket shafts on two adjacent chain racks are connected by a universal joint transmission, and the sprocket shaft on any one of the chain racks is connected to the pulley shaft through a universal joint, and the pulley shaft is connected to the motor transmission through a pulley mechanism. After the proximity switch detects that the welded pipe is in place, the pipe transmission device starts, the motor drives the pulley shaft to rotate through the pulley mechanism, the pulley shaft drives any sprocket shaft to rotate through the universal joint, the sprockets rotate synchronously, the L-shaped support bracket moves with the chain, the support bracket hooks the steel pipe upward, the steel pipe is supported by the support bracket, and the chain moves to transmit the steel pipe upward to the hosting transmission device.

[0012] As a further improvement of the present invention, the hosting transmission device includes a plurality of hosting frames arranged in parallel from front to back, a first fixed pipe groove and a second fixed pipe groove are respectively arranged on the top of the hosting frame, a proximity switch is arranged below the first fixed pipe groove, at least two cranks are rotatably connected to the hosting frame, the working end of the crank is connected to the transmission plate, and the upper side of the transmission plate is respectively provided with a first movable pipe groove and a second movable pipe groove, the first movable pipe groove corresponds to the first fixed pipe groove, and the second movable pipe groove corresponds to the second fixed pipe groove; the rotating shaft of the crank passes through the hosting frame and extends to the other side, and a driven sprocket is arranged at the end of the rotating shaft of the crank, and a driving sprocket is rotatably connected to the corresponding driven sprocket on the hosting frame, the driving sprocket and the driven sprocket are connected via chain transmission, the rotating shafts of the driving sprockets on two adjacent hosting frames are connected via a universal joint, and the driving sprocket on any one of the hosting frames is transmission-connected to the second rotating drive mechanism. The second rotating drive mechanism drives the active sprocket on the hosting frame to rotate, and drives the active sprockets on other hosting frames to rotate through the universal joint. The active sprocket drives the corresponding driven sprocket to rotate, and the rotating shaft of the crank rotates; the supporting bracket transports the welded pipe to the first fixed pipe groove, and after the proximity switch senses the welded pipe, a support leg is connected to the corresponding crank at the bottom of the transmission plate, and the support leg is rotatably connected to the working end of the crank, and the crank drives the transmission plate to perform irregular rotational motion, and the first movable pipe groove on the transmission plate transfers the welded pipe to the second fixed pipe groove for air blowing and cleaning, and then the supporting bracket transfers the next welded pipe to the first fixed pipe groove, the transmission plate moves, and the second movable pipe groove sends away the welded pipe after air blowing and cleaning, and at the same time, the first movable pipe groove transfers the next steel pipe to the second fixed pipe groove, and continues to perform air blowing and cleaning.

[0013] As a further improvement of the present invention, a plurality of ramp plates are arranged in parallel between the tube transmission device and the pipe transmission device, and the first fixed pipe groove is arranged corresponding to the ramp plates. The support bracket sends the welded pipe to the first fixed pipe groove through the ramp plates, which is more stable.

[0014] As a further improvement of the present invention, the second rotary drive mechanism comprises a motor, which is sequentially connected to the axle of the driving sprocket via a reducer and a universal joint. After the motor is decelerated by the reducer, it drives any one of the driving sprockets to rotate via the universal joint.

[0015] As a further improvement of the present invention, the clamping air blowing cleaning device includes an air blowing frame, a supporting roller and a movable air blowing head are provided on the top of the air blowing frame corresponding to the second fixed pipe groove, a lifting and lowering pressing roller is provided above the supporting roller, the movable air blowing head is connected to the extended end of the piston rod of the air blowing cylinder, and the movable air blowing head can be extended into the steel pipe. The end of the welded pipe in the second fixed pipe groove is supported on the supporting roller, the pressing roller descends to press the welded pipe, and the air blowing cylinder drives the movable air blowing head to extend into the welded pipe to blow away the internal weld ribs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a top view of the present invention.

[0017] Figure 2 It is a side view of the present invention.

[0018] Figure 3 It is a top view of the blanking device.

[0019] Figure 4 for Figure 3 A partial enlarged view of .

[0020] Figure 5 This is the front view of the blanking device.

[0021] Figure 6 for Figure 5 A partial enlarged view of .

[0022] Figure 7 for Figure 5 A partial enlarged view of point A in the middle.

[0023] Figure 8 It is a side view of the blanking device.

[0024] Fig. 9 It is a side view of the pipe transmission device.

[0025] Fig.10 It is the front view of the pipe transmission device.

[0026] Fig.11 It is a top view of the pipe transmission device.

[0027] Fig.12 A side view of a managed transmission device.

[0028] Fig.13 This is the main view of the managed transmission device.

[0029] Fig.14 This is a schematic diagram of the structure of the hosting rack.

[0030] Fig.15 for Fig.14 Top view of the .

[0031] Fig.16 It is a schematic diagram of the structure of the clamping air blowing cleaning device.

[0032] Fig.17 A top view of the managed transmission device.

[0033] Among them, 1 blanking device, 2 pipe end alignment device, 3 pipe transmission device, 4 tube transmission device, 5 clamping air blowing cleaning device, 6 blanking machine base, 7 transmission roller, 8 blanking plate, 9 collection blanking plate, 10 lifting drive mechanism, 11 gear transmission box, 11a rotating shaft 1, 11b rotating shaft 2, 11c bevel gear, 12 universal joint, 13 pulley mechanism, 14 motor, 15 alignment flat roller, 16 bearing seat, 17 roller seat, 18 alignment end plate, 19 spring, 20 chain 21 a lower sprocket, 22 an upper sprocket, 23 a chain, 24 a support bracket, 25 a support bracket, 26 a first fixed pipe groove, 27 a second fixed pipe groove, 28 a crank, 28 a transmission plate, 30 a first movable pipe groove, 31 a second movable pipe groove, 32 a driven sprocket, 33 a driving sprocket, 34 a ramp plate, 35 a reducer, 36 a blowing frame, 37 a supporting roller, 38 a pressing roller, 39 a movable blowing head, 40 a blowing cylinder, and 41 a welding pipe. DETAILED DESCRIPTION

[0034] like Figure 1-17As shown, a welding rib cleaning system for an automatic feeding welded pipe comprises a blanking device 1, a blanking area of ​​the blanking device 1 is provided with a pipe end alignment device 2, the pipe end alignment device 2 is arranged corresponding to the feeding area of ​​the pipe transmission device 3, the unloading area of ​​the pipe transmission device 3 is provided with a tube transmission device 4, and a clamping and blowing cleaning device 5 is arranged corresponding to the tube transmission device 4. The blanking device 1 comprises a blanking machine base 6, on which a plurality of rotatable transmission rollers 7 are arranged in sequence from front to back, the transmission rollers 7 are arranged horizontally, and each transmission roller 7 is connected to a rotating driving mechanism in a transmission manner, the pipe is horizontally supported on the transmission roller 7, the blanking machine base 6 is provided with a pushing mechanism that can push the pipe to the blanking area, and the blanking machine base 6 is provided with a detection sensor for detecting qualified pipes and defective pipes. The pushing mechanism includes at least one group of bidirectional pushing components, and the bidirectional pushing components include a blanking plate 5 and a collecting blanking plate 9. The bidirectional pushing components are located below the pipe fitting, and the upper side of the blanking plate 5 is inclined and arranged corresponding to the blanking area. The blanking plate 5 and the transmission roller 7 are staggered, and the blanking plate 5 is connected to a lifting drive mechanism 10 in transmission; the upper side of the collecting blanking plate 9 is inclined and arranged corresponding to the defective product recovery area. The collecting blanking plate 9 and the transmission roller 7 are staggered, and the collecting blanking plate 9 is connected to a lifting drive mechanism 10 in transmission. The lifting drive mechanism 10 is arranged on the blanking machine base 6, and the lifting drive mechanism 10 is a cylinder, an oil cylinder, a screw assembly or a linear motor 14. The rotary drive mechanism 1 includes a plurality of gear transmission boxes 11 corresponding to each transmission roller 7 one by one. The gear transmission box 11 is provided with a rotating shaft 11a and a rotating shaft 2 11b which are perpendicular to each other. The rotating shaft 11a is parallel to the axis of the pipe fitting, and the rotating shaft 2 11b is coaxially arranged with the wheel axle of the corresponding transmission roller 7. The rotating shaft 11a and the rotating shaft 2 11b are both sleeved with bevel gears 11c, and the two bevel gears 11c are meshed with each other. One end of the rotating shaft 2 11b extends out of the gear transmission box 11 and is transmission-connected to one end of the corresponding transmission roller 7. Both ends of the rotating shaft 11a extend out of the gear transmission box 11. The protruding ends of the rotating shafts 11a of two adjacent gear transmission boxes 11 are connected through a universal joint 12. The rotating shaft 11a of any gear transmission box 11 is transmission-connected to the pulley shaft via the universal joint 12, and the pulley shaft is transmission-connected to the motor 14 via the pulley mechanism 13. The pipe end alignment device 2 includes a plurality of alignment rollers 15, each alignment roller 15 is arranged in one-to-one correspondence with a row of transmission rollers 7, the roller shaft of the alignment roller 15 is transmission-connected to the other end of the corresponding transmission roller 7, the two ends of the roller shaft of the alignment roller 15 are rotatably supported on the bearing seat 16, the bearing seat 16 is installed on the roller seat 17, the roller seat 17 is fixedly connected to the blanking machine seat 6, and the rear end of the blanking machine seat 6 is provided with an alignment end plate 18 corresponding to the alignment roller 15, the back side of the alignment end plate 18 elastically contacts the spring 19, and a proximity switch is provided at the alignment end plate 18.The pipe transmission device 3 includes a plurality of chain racks 20 arranged in parallel from front to back, the chain racks 20 are staggered with the alignment flat rollers 15, and a rotatable lower sprocket 21 and an upper sprocket 22 are respectively provided on the chain racks 20, the lower sprocket 21 is arranged corresponding to the blanking machine base 6, and the lower sprocket 21 and the upper sprocket 22 are connected by an inclined chain 23, and a plurality of L-shaped support brackets 24 for hooking the pipe are arranged on the chain 23 in sequence, and a flexible friction-reducing pad is provided on the surface of the support bracket 24, and the corresponding sprocket shafts on two adjacent chain racks 20 are connected by a universal joint 12, and the sprocket shaft on any one of the chain racks 20 is connected to the pulley shaft through the universal joint 12, and the pulley shaft is connected to the motor 14 through the pulley mechanism 13. The hosting transmission device 4 includes a plurality of hosting frames 25 arranged in parallel from front to back, the top of the hosting frames 25 are respectively provided with a first fixed pipe groove 26 and a second fixed pipe groove 27, a proximity switch is provided below the first fixed pipe groove 26, at least two cranks 28 are rotatably connected to the hosting frame 25, the working end of the crank 28 is connected to the transmission plate 29, and the upper side of the transmission plate 29 is respectively provided with a first movable pipe groove 30 and a second movable pipe groove 31, the first movable pipe groove 30 corresponds to the first fixed pipe groove 26, and the second movable pipe groove 31 corresponds to the first fixed pipe groove 26. The groove 31 corresponds to the second fixed pipe groove 27; the rotating shaft 28a of the crank passes through the pipe frame 25 and extends to the other side. The end of the rotating shaft 28a of the crank is provided with a driven sprocket 32. The corresponding driven sprocket 32 ​​on the pipe frame 25 is rotatably connected with a driving sprocket 33. The driving sprocket 33 and the driven sprocket 32 ​​are connected through the chain 23. The rotating shafts of the driving sprockets 33 on two adjacent pipe frames 25 are connected through the universal joint 12. The driving sprocket 33 on any pipe frame 25 is connected to the second rotating drive mechanism. A plurality of ramp plates 34 are arranged in parallel between the pipe transmission device 4 and the pipe transmission device 3. The first fixed pipe groove 26 is arranged corresponding to the ramp plate 34. The second rotating drive mechanism includes a motor 14, which is sequentially connected to the axle of the driving sprocket 33 through the reducer 35 and the universal joint 12. The clamping and blowing cleaning device 5 includes a blowing frame 36, and a supporting roller 37 and a movable blowing head 39 are provided at the top of the blowing frame 36 corresponding to the second fixed pipe groove 27, and a liftable clamping roller 38 is provided above the supporting roller 37. The movable blowing head 39 is connected to the protruding end of the piston rod of the blowing cylinder 40, and the movable blowing head 39 can be extended into the steel pipe.

[0035] When the present invention is working, the welded pipes 41 cut and formed fall one by one on the blanking device 1, the motor 14 drives the pulley shaft to rotate through the pulley mechanism 13, and the pulley shaft drives the rotating shaft 11a of any gear transmission box 11 to rotate through the universal joint 12. The gear transmission boxes 11 are connected through the universal joint 12, so the rotating shafts 11a are linked, the rotating shaft 11a drives the rotating shaft 2 11b to rotate through the bevel gear 11c, and the rotating shaft 2 11b drives the transmission roller 7 to rotate, and the cut and formed welded pipes 41 fall one by one on the blanking device 1, and the motor 14 drives the pulley shaft to rotate through the pulley mechanism 13, and the pulley shaft drives the rotating shaft 11a of any gear transmission box 11 to rotate through the universal joint 12. The welded pipe 41 is supported on each transmission roller 7, and the welded pipe 41 is transmitted along the blanking machine base 6. When the welded pipe 41 is sent to the tail end of the blanking machine base 6, if it is detected to be a qualified product, the blanking plate 5 rises to push the qualified welded pipe to the blanking area. If it is detected to be a defective product, the collecting blanking plate 9 rises to push the defective welded pipe to the defective recovery area; the alignment flat roller 15 drives the qualified welded pipe to move toward the alignment end plate 18 to align the qualified welded pipe. After the proximity switch detects that the welded pipe 41 is in place, the pipe transmission device 3 works; L-shaped support The bracket 24 moves with the chain 23, and the supporting bracket 24 hooks the qualified welded pipe upwards. The steel pipe is supported by the supporting bracket 24, and the chain 23 moves to transfer the steel pipe upward to the trustee transmission device 4; the supporting bracket 24 transports the welded pipe 41 to the first fixed pipe groove 26. After the proximity switch senses the welded pipe, a supporting leg is connected to the crank 28 at the bottom of the transmission plate 29, and the supporting leg is rotatably connected to the working end of the crank 28. The crank 28 drives the transmission plate 29 to make irregular rotational motion, and the first A mobile pipe trough 30 transfers the welded pipe 41 to the second fixed pipe trough 27, the clamping roller 38 descends to clamp the welded pipe 41, the air blowing cylinder 40 drives the mobile air blowing head 39 to extend into the welded pipe 41 to blow away the internal weld ribs, and then the support bracket 24 transfers the next welded pipe 41 to the first fixed pipe trough 26, the transfer plate 29 moves, and the second mobile pipe trough 31 sends away the welded pipe cleaned by blowing, and at the same time the first mobile pipe trough 30 transfers the next steel pipe to the second fixed pipe trough 27, and continues to blow and clean.

[0036] The advantages of this system are: it can automatically transport the qualified welded pipes cut and formed on the production line to the blowing position, blow away the internal weld ribs in the welded pipes, clean the internal weld ribs, and sort out the defective welded pipes for collection and recycling. It has a high degree of automation and is easy to clean.

[0037] The present invention is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present invention, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present invention.

Claims

1. An automatic feeding weld pipe internal weld rib cleaning system, characterized in that: It includes a blanking device, a blanking area of ​​the blanking device is provided with a pipe end alignment device, the pipe end alignment device is arranged corresponding to the loading area of ​​the pipe transmission device, the unloading area of ​​the pipe transmission device is provided with a tube transmission device, and a clamping and blowing cleaning device is provided corresponding to the tube transmission device; the blanking device includes a blanking machine seat, and a plurality of rotatable transmission rollers are arranged in sequence from front to back on the blanking machine seat, the transmission rollers are arranged horizontally, and each transmission roller is connected to a rotating drive mechanism in a transmission manner, and the pipe is horizontally supported on the transmission roller, and a pushing mechanism that can push the pipe to the blanking area is provided on the blanking machine seat, and a detection sensor for detecting qualified pipes and defective pipes is provided on the blanking machine seat; the pushing mechanism includes at least one group of two-way pushing components, and the two-way pushing components include The blanking plate and the collecting blanking plate, the two-way pushing assembly is located below the pipe fitting, the upper side of the blanking plate is inclined and arranged corresponding to the blanking area, the blanking plate and the transmission roller are staggered, and the blanking plate is connected to a lifting drive mechanism; the upper side of the collecting blanking plate is inclined and arranged corresponding to the defective product recovery area, the collecting blanking plate and the transmission roller are staggered, the collecting blanking plate is connected to a lifting drive mechanism, the lifting drive mechanism is arranged on the blanking machine base, and the lifting drive mechanism is a cylinder, an oil cylinder, a screw assembly or a linear motor; the rotating drive mechanism 1 includes a plurality of gear transmission boxes corresponding to each transmission roller, and the gear transmission box is provided with a rotating shaft 1 and a rotating shaft 2 perpendicular to each other, the rotating shaft 1 is parallel to the axis of the pipe fitting, and the rotating shaft 2 is coaxially arranged with the wheel axle of the corresponding transmission roller, and the rotating shaft 1 is parallel to the axis of the pipe fitting, and the rotating shaft 2 is coaxially arranged with the wheel axle of the corresponding transmission roller. Bevel gears are sleeved on shaft one and shaft two, and the two bevel gears mesh with each other. One end of the shaft two extends out of the gear transmission box and is transmission-connected to one end of the corresponding transmission roller. Both ends of the shaft one extend out of the gear transmission box. The extended ends of the shafts one of the two adjacent gear transmission boxes are connected through a universal joint. The shaft one of any gear transmission box is transmission-connected to the pulley shaft via the universal joint, and the pulley shaft is transmission-connected to the motor via the pulley mechanism. The pipe end alignment device includes a plurality of alignment rollers, each of which is arranged in one-to-one correspondence with a row of transmission rollers, and the roller shaft of the alignment roller is transmission-connected to the other end of the corresponding transmission roller, and the two ends of the roller shaft of the alignment roller are rotationally supported on the bearing seat respectively, and the bearing seat is installed on the roller seat, and the roller seat is fixedly connected to the blanking machine seat, and the tail end of the blanking machine seat is provided with An alignment end plate corresponding to the alignment flat roller is arranged, the back side of the alignment end plate elastically contacts the spring, and a proximity switch is arranged at the alignment end plate; the pipe transmission device comprises a plurality of chain racks arranged in parallel from front to back, the chain racks are staggered with the alignment flat rollers, a rotatable lower sprocket and an upper sprocket are respectively arranged on the chain racks, the lower sprocket is arranged corresponding to the blanking machine seat, the lower sprocket and the upper sprocket are connected by an inclined chain transmission, a plurality of L-shaped support brackets for hooking the pipe are arranged on the chain in sequence, a flexible friction-reducing pad is arranged on the surface of the support bracket, the corresponding sprocket shafts on two adjacent chain racks are connected by a universal joint transmission, the sprocket shaft on any one of the chain racks is connected to the pulley shaft through a universal joint, and the pulley shaft is connected to the motor transmission through a pulley mechanism;The hosting transmission device includes a plurality of hosting frames arranged in parallel from front to back, a first fixed pipe groove and a second fixed pipe groove are respectively arranged on the top of the hosting frame, a proximity switch is arranged under the first fixed pipe groove, at least two cranks are rotatably connected to the hosting frame, the working end of the crank is connected to the transmission plate, and a first movable pipe groove and a second movable pipe groove are respectively arranged on the upper side of the transmission plate, the first movable pipe groove corresponds to the first fixed pipe groove, and the second movable pipe groove corresponds to the second fixed pipe groove; the rotating shaft of the crank passes through the hosting frame and extends to the other side, a driven sprocket is arranged at the end of the rotating shaft of the crank, and an active sprocket is rotatably connected to the corresponding driven sprocket on the hosting frame The sprocket, the driving sprocket and the driven sprocket are connected through chain transmission, the rotating shafts of the driving sprockets on the two adjacent hosting racks are connected through universal joints, and the driving sprocket on any hosting rack is connected to the second rotating driving mechanism; a plurality of ramp plates are arranged in parallel between the hosting transmission device and the pipe transmission device, and the first fixed pipe groove and the ramp plate are arranged correspondingly; the clamping and blowing cleaning device includes a blowing rack, and the top of the blowing rack is provided with a supporting roller and a movable blowing head corresponding to the second fixed pipe groove, and a lifting and lowering pressing roller is arranged above the supporting roller, and the movable blowing head is connected to the extended end of the piston rod of the blowing cylinder, and the movable blowing head can be extended into the steel pipe. ; 2. The automatic feeding weld pipe internal weld rib cleaning system according to claim 1 is characterized in that: The second rotary drive mechanism comprises a motor, which is sequentially connected to the axle of the driving sprocket via a reducer and a universal joint.

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