A sorting and conveying system for formed welded pipes

Abstract

The present invention discloses a sorting and conveying system for formed welded pipes in the field of sorting and conveying, comprising a blanking device that can push pipes to a left blanking area and a right blanking area respectively, wherein the right blanking area of ​​the blanking device is provided with a pipe transmission device, and the left blanking area is provided with a collection and packaging device. The present invention can convey qualified pipes after classification to the upper side for internal welding rib removal, and collect and package defective pipes after recycling, and can be classified and conveyed with a high degree of automation.

Description

Technical Field

[0001] The invention belongs to the field of sorting and conveying, and in particular relates to a sorting and conveying system for formed welded pipes. Background Art

[0002] In the prior art, a sorting conveyor refers to a special conveying device used to sort and convey products. A sorting conveyor generally consists of an automatic identification device, a classification mechanism, a main conveying device, a pre-processing device and a sorting gate.

[0003] The Chinese Patent Database discloses a steel pipe sorting device, with patent application number: 201520071641.6; application date: 2015.02.02; its structure includes a track composed of rollers and slideways on both sides thereof, a fork mechanism, a retaining wall and a control panel. The rollers are driven by a motor, and the slideway is a frame structure composed of a longitudinal beam, a lower bracket and a material retaining rack. The longitudinal beams are arranged above the lower bracket and perpendicular to the center line of the track. The upper plane of the longitudinal beam is inclined outward relative to the track, and a material retaining rack is arranged on one side of the lower end of the longitudinal beam. The device sets inclined slideways on both sides of the track. The steel pipes sorted by the fork roll slowly along the longitudinal beams on both sides to the material retaining rack to wait for transportation. The device can avoid collision of steel pipes, but its disadvantage is that it cannot realize the transportation of the steel pipes after sorting and classification to the designated area for subsequent processing of the steel pipes. Summary of the invention

[0004] The purpose of the present invention is to provide a sorting and conveying system for formed welded pipes, which can convey the classified qualified pipes to the upper side for removing the internal weld ribs, and collect and pack the defective pipes after recycling, and convey them by classification, with a high degree of automation.

[0005] The object of the present invention is achieved as follows: a sorting and conveying system for formed welded pipes, comprising a blanking device that can push pipe fittings to a left blanking area and a right blanking area respectively, the right blanking area of ​​the blanking device is correspondingly provided with a pipe fitting transmission device, and the left blanking area is correspondingly provided with a collection and packaging device.

[0006] When the present invention is working, the welded pipes after cutting and forming are transported one by one to the blanking device, the blanking device pushes the qualified welded pipes to the pipe transmission device, the pipe transmission device sends the welded pipes to remove the internal weld ribs, the blanking device pushes the defective welded pipes to the collection and packaging device, and the collection and packaging device recycles and packages the defective welded pipes. Compared with the prior art, the present invention has the beneficial effects of being able to transport the classified qualified welded pipes to the upper side for removing the internal weld ribs, and to collect and package the defective welded pipes after recycling, and to classify and transport them, with a high degree of automation.

[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 the rotating drive mechanism in a transmission manner. The pipe fittings are horizontally supported on the transmission rollers. The blanking machine base is provided with a pushing mechanism that can push the pipe fittings to the left blanking area and the rear blanking area respectively. The pushing mechanism and the transmission rollers are staggered with each other, and the blanking machine base is provided with a detection sensor for detecting qualified pipe fittings and defective pipe fittings. The cut welded pipes are transmitted to the transmission rollers one by one, and the rotating drive mechanism drives each transmission roller to rotate. The welded pipes are transmitted along the blanking machine base. When the pipe fittings are sent to the rear end of the base, the pushing mechanism works, and the detection sensor distinguishes qualified welded pipes and defective welded pipes. The qualified welded pipes and defective welded pipes are respectively transported to the right blanking area and the left blanking 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 left blanking plate and a right blanking plate, the bidirectional pushing components are located below the pipe fittings, the upper side of the left blanking plate is inclined and arranged corresponding to the left blanking area, the left blanking plate is staggered with the transmission roller, and the left blanking plate is connected to a lifting drive mechanism; the upper side of the right blanking plate is inclined and arranged corresponding to the right blanking area, the right blanking plate is staggered with the transmission roller, the right blanking plate is connected to a lifting drive mechanism, and the lifting drive mechanism is arranged on the blanking machine base and located below the bidirectional pushing components. After the welded pipes are transmitted to the tail end of the machine base one by one, if it is detected to be a qualified product, the right blanking plate rises to push the qualified pipe fittings to the right blanking area, and if it is detected to be a defective product, the left blanking plate rises to push the defective pipe fittings to the left blanking area. The lifting drive mechanism is a cylinder, an oil cylinder, a screw assembly or a linear motor.

[0009] As a further improvement of the present invention, the rotary drive mechanism includes a plurality of gear transmission boxes corresponding to each transmission roller, wherein a rotating shaft 1 and a rotating shaft 2 are arranged perpendicular to each other in the gear transmission box, the rotating shaft 1 is parallel to the axis of the pipe fitting, 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 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, and each gear transmission box is connected through a universal joint, so each rotating shaft 1 realizes linkage, 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 realizes linkage.

[0010] As a further improvement of the present invention, a tube end alignment mechanism is provided on the blanking machine base, and the tube end alignment mechanism includes a plurality of alignment flat rollers, each alignment flat roller is arranged in one-to-one correspondence with a row of transmission rollers, the roller shaft of the alignment flat roller is transmission-connected with the other end of the corresponding transmission roller, the two ends of the roller shaft of the alignment flat roller are respectively rotatably supported on the bearing seat, the bearing seat is installed on the roller seat, the roller seat is fixedly connected with the machine base, and the tail end of the machine base is provided with an alignment end plate corresponding to the alignment flat roller, the back side of the alignment end plate elastically abuts against the spring, and a proximity switch is provided at the alignment end plate. The alignment flat roller is the right blanking area, the alignment flat roller rotates synchronously with the transmission roller, saves power, and has a compact structure and layout. After the qualified welded pipe falls into the right blanking area, the alignment flat 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 conveying device works to transmit the qualified welded pipe to the processing device for removing the internal weld ribs.

[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 at intervals, 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, and the sprockets rotate synchronously. The L-shaped support bracket moves with the chain, and 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 subsequent transmission line.

[0012] As a further improvement of the present invention, the collecting and packaging device includes a plurality of waiting platforms arranged in parallel from front to back, a material discharge slope is provided on the waiting platform, a material blocking plate is rotatably connected to the bottom of the material discharge slope on the waiting platform, the material blocking plate is arranged in a V shape, a material blocking cylinder is hinged to the corresponding material blocking plate on the waiting platform, the extended end of the piston rod of the material blocking cylinder is hinged to an L-shaped connector, and the other end of the connector is hinged to the material blocking plate; a material frame is provided in correspondence with the material discharge area of ​​the waiting platform; an elastic buffer belt connected to a spring is provided in correspondence with the steel pipe in the material frame. The sorted defective welded pipes fall one by one onto the waiting platform, the material blocking plate blocks the defective welded pipes, and when the number of welded pipes on the material discharge slope reaches a certain number, the material blocking cylinder drives the material blocking plate to rotate through the connector, and the defective welded pipes fall into the material frame, and the elastic buffer belt can reduce vibration to prevent the welded pipes from being damaged.

[0013] As a further improvement of the present invention, a ramp plate and a transition seat are sequentially arranged between the blanking device and the waiting platform, the transition seat and the transmission roller are staggered, a lifting platform is arranged on the transition seat, a transition slope is arranged on the upper side of the lifting platform, the transition slope is located below the material discharge slope, a cavity is arranged in the middle of the lifting platform, a fixed material stop block is arranged in the cavity, a material discharge wedge corresponding to the material discharge slope is arranged on the upper side of the fixed material stop block, and a transition zone is formed between the transition slope and the side of the fixed material stop block close to the ramp plate. The welded pipe rolls down to the transition zone through the ramp plate, the lifting platform rises, and the welded pipe also rises along the side of the fixed material stop block until the transition slope corresponds to the material discharge wedge, and the welded pipe rolls down to the material discharge slope. This technical solution can allow a transition time for the defective welded pipe before it falls to the material discharge slope, thereby preventing too many defective welded pipes from gathering together and causing collision. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a top view of the present invention.

[0015] Figure 2 for Figure 1 Left view of .

[0016] Figure 3 It is a schematic diagram of the structure of the blanking device and the collecting and packaging device.

[0017] Figure 4 It is a top view of the blanking device.

[0018] Figure 5 It is a schematic diagram of the structure of the transmission roller and the alignment roller.

[0019] Figure 6 This is the front view of the blanking device.

[0020] Figure 7 for Figure 6 A partial enlarged view of .

[0021] Figure 8 for Figure 6 Enlarged view of point A in the middle.

[0022] Fig. 9 It is a side view of the blanking device.

[0023] Fig.10 It is a side view of the blanking device.

[0024] Fig.11 It is a side view of the pipe transmission device.

[0025] Fig.12 It is the front view of the pipe transmission device.

[0026] Fig.13 It is a top view of the pipe transmission device.

[0027] Among them, 1 is a blanking device, 2 is a pipe transmission device, 3 is a collecting and packaging device, 4 is a blanking machine base, 5 is a transmission roller, 6 is a right blanking plate, 7 is a left blanking plate, 8 is a lifting drive mechanism, 9 is a gear transmission box, 9a is a rotating shaft one, 9b is a rotating shaft two, 9c is a bevel gear, 10 is a universal joint, 11 is a pulley mechanism, 12 is a motor, 13 is an alignment flat roller, 14 is a bearing seat, 15 is a roller seat, 16 is an alignment end plate, 17 is a spring, 18 is a chain frame, 19 is a lower sprocket, 20 is an upper sprocket, 21 is a chain, 22 is a support bracket, 23 is a waiting table, 23a is a blanking slope, 24 is a baffle plate, 25 is a baffle cylinder, 26 is a connecting piece, 27 is a material frame, 28 is an elastic buffer belt, 29 is a spring, 30 is a transition seat, 31 is a ramp plate, 32 is a lifting platform, 32a is a transition slope, 33 is a fixed baffle block, and 33a is a blanking wedge surface. DETAILED DESCRIPTION

[0028] like Figure 1-13As shown, a sorting and conveying system for formed welded pipes is provided, which includes a blanking device 1 that can push pipe fittings to the left blanking area and the right blanking area respectively. The right blanking area of ​​the blanking device 1 is provided with a pipe fitting transmission device 2, and the left blanking area is provided with a collection and packaging device 3. The blanking device 1 includes a blanking machine base 4, on which a plurality of rotatable transmission rollers 5 are arranged in sequence from front to back. The transmission rollers 5 are arranged horizontally, and each transmission roller 5 is transmission-connected to a rotating drive mechanism. The pipe fittings are horizontally supported on the transmission rollers 5. The blanking machine base 4 is provided with a pushing mechanism that can push pipe fittings to the left blanking area and the rear blanking area respectively. The pushing mechanism and the transmission rollers 5 are staggered with each other. The blanking machine base 4 is provided with a detection sensor for detecting qualified pipe fittings and defective pipe fittings. The pushing mechanism includes at least one group of two-way pushing components, which include a left blanking plate 7 and a right blanking plate 6. The two-way pushing component is located below the pipe fitting. The upper side of the left blanking plate 7 is inclined and corresponding to the left blanking area. The left blanking plate 7 is staggered with the transmission roller 5. The left blanking plate 7 is connected to a lifting drive mechanism 8 in transmission. The upper side of the right blanking plate 6 is inclined and corresponding to the right blanking area. The right blanking plate 6 is staggered with the transmission roller 5. The right blanking plate 6 is connected to a lifting drive mechanism 8 in transmission. The lifting drive mechanism 8 is arranged on the blanking machine base 4 and below the two-way pushing component. The rotary drive mechanism includes a plurality of gear transmission boxes 9 corresponding to each transmission roller 5 one by one, and a rotating shaft 1 9a and a rotating shaft 2 9b perpendicular to each other are arranged in the gear transmission box 9, the rotating shaft 1 9a is parallel to the axis of the pipe, and the rotating shaft 2 9b is coaxially arranged with the wheel axle of the corresponding transmission roller 5, and a bevel gear 9c is sleeved on the rotating shaft 1 9a and the rotating shaft 2 9b, and the two bevel gears 9c are meshed with each other, one end of the rotating shaft 2 9b extends out of the gear transmission box 9 and is transmission-connected with one end of the corresponding transmission roller 5, and both ends of the rotating shaft 1 9a extend out of the gear transmission box 9, and the protruding ends of the rotating shafts 1 9a of two adjacent gear transmission boxes 9 are connected by a universal joint 10, and the rotating shaft 1 9a of any gear transmission box 9 is transmission-connected to the pulley shaft via the universal joint 10, and the pulley shaft is transmission-connected to the motor 12 via the pulley mechanism 11. A tube end alignment mechanism is arranged on the blanking machine base 4, and the tube end alignment mechanism comprises a plurality of alignment rollers 13, and each alignment roller 13 is arranged correspondingly to a row of transmission rollers 5, and the roller shaft of the alignment roller 13 is transmission-connected with the other end of the corresponding transmission roller 5, and the two ends of the roller shaft of the alignment roller 13 are rotatably supported on the bearing seat 14 respectively, and the bearing seat 14 is installed on the roller seat 15, and the roller seat 15 is fixedly connected to the machine base, and an alignment end plate 16 corresponding to the alignment roller 13 is arranged at the rear end of the machine base, and the back side of the alignment end plate 16 elastically contacts the spring 29, and a proximity switch is arranged at the alignment end plate 16.The pipe transmission device 2 includes a plurality of chain racks 18 arranged in parallel from front to back, the chain racks 18 are staggered with the alignment flat rollers 13, and a rotatable lower sprocket 19 and an upper sprocket 20 are respectively provided on the chain racks 18, the lower sprocket 19 is arranged corresponding to the blanking machine base 4, and the lower sprocket 19 and the upper sprocket 20 are connected by an inclined chain 21, and a plurality of L-shaped support brackets 22 for hooking the pipe are arranged on the chain 21 in sequence, and a flexible friction-reducing pad is provided on the surface of the support bracket 22, and the corresponding sprocket shafts on two adjacent chain racks 18 are connected by a universal joint 10, and the sprocket shaft on any one of the chain racks 18 is connected to the pulley shaft through the universal joint 10, and the pulley shaft is connected to the motor 12 through the pulley mechanism 11. The collecting and packaging device 3 includes a plurality of waiting platforms 23 arranged in parallel from front to back, and a material unloading slope 23a is provided on the waiting platform 23. A material blocking plate 24 is rotatably connected to the bottom of the material unloading slope 23a on the waiting platform 23, and the material blocking plate 24 is arranged in a V shape. A material blocking cylinder 25 is hingedly connected to the corresponding material blocking plate 24 on the waiting platform 23, and an L-shaped connecting piece 26 is hingedly provided at the extended end of the piston rod of the material blocking cylinder 25, and the other end of the connecting piece 26 is hinged to the material blocking plate 24; a material frame 27 is provided corresponding to the material unloading area of ​​the waiting platform 23; an elastic buffer belt 28 connected to a spring 29 is provided corresponding to the steel pipe in the material frame 27. A ramp plate 31 and a transition seat 30 are arranged in sequence between the blanking device 1 and the waiting platform 23. The transition seat 30 is staggered with the transmission roller 5. A lifting platform 32 is arranged on the transition seat 30. A transition slope 32a is arranged on the upper side of the lifting platform 32. The transition slope 32a is located below the unloading slope 23a. A cavity is arranged in the middle of the lifting platform 32. A fixed stop block 33 is arranged in the cavity. A unloading wedge surface 33a corresponding to the unloading slope 23a is arranged on the upper side of the fixed stop block 33. A transition zone is formed between the transition slope 32a and the side of the fixed stop block 33 close to the ramp plate 31.

[0029] When the device is working, the welded pipes after cutting and forming are transported to the blanking device 1 one by one, and the welded pipes are transported along the transmission roller 5 of the blanking machine base 4. When the pipes are sent to the tail end of the base, the detection sensor distinguishes between qualified welded pipes and defective welded pipes. If qualified pipes are detected, the right blanking plate 6 rises to push the qualified pipes to the right blanking area, and the alignment flat roller 13 drives the qualified welded pipes to move toward the alignment end plate 16 to align the qualified welded pipes. After the proximity switch detects that the welded pipes are in place, the chain transmission device is started, and the motor 12 drives the pulley shaft to rotate through the pulley mechanism 11. The pulley shaft is connected to the universal joint. 10 drives any one of the sprocket shafts to rotate, and each sprocket rotates synchronously. The L-shaped supporting bracket 22 moves with the chain 21, and the supporting bracket 22 hooks the steel pipe upward, and the steel pipe is supported by the supporting bracket 22. The chain 21 moves to transmit the steel pipe upward to the subsequent transmission line for internal welding rib removal; if it is detected to be a defective product, the sorted defective welded pipes will roll down to the transition area through the ramp plate 31 one by one, the lifting platform 32 will rise, and the welded pipe will also rise along the side of the fixed blocking block 33 until the transition slope 32a corresponds to the unloading wedge surface 33a, and the welded pipe will roll down onto the unloading slope 23a, and the blocking plate 24 will block the defective welded pipe. When the number of welded pipes on the unloading slope 23a reaches a certain amount, the blocking cylinder 25 drives the blocking plate 24 to rotate through the connecting piece 26, and the defective welded pipe falls into the material frame 27, and the elastic buffer belt 28 can reduce vibration to prevent the welded pipe from being damaged. The advantages of this device are: it can transport the qualified welded pipes after classification to the upper side for internal weld rib removal, and collect and pack the defective welded pipes after recycling, and transport them by classification, with a high degree of automation.

[0030] 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. A sorting and conveying system for formed welded pipes, comprising a blanking device capable of pushing pipes to a left blanking area and a right blanking area respectively, characterized in that: A pipe transmission device is correspondingly arranged in the right-side blanking area of ​​the blanking device, and a collection and packaging device is correspondingly arranged in the left-side blanking area; 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, and the transmission rollers are arranged horizontally, and each transmission roller is transmission-connected to the rotating drive mechanism, and the pipes are horizontally supported on the transmission rollers; a pushing mechanism which can push the pipes to the left-side blanking area and the rear-side blanking area respectively is arranged on the blanking machine seat, and the pushing mechanism and the transmission rollers are staggered with each other, and a detection sensor for detecting qualified pipes and defective pipes is arranged 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 a left blanking plate and a right blanking plate, and the two-way pushing components Located below the pipe fitting, the upper side of the left blanking plate is inclined and arranged corresponding to the left blanking area, the left blanking plate is staggered with the transmission roller, and the left blanking plate is transmission-connected with a lifting drive mechanism; the upper side of the right blanking plate is inclined and arranged corresponding to the right blanking area, the right blanking plate is staggered with the transmission roller, and the right blanking plate is transmission-connected with a lifting drive mechanism, which is arranged on the blanking machine base and located below the two-way pushing assembly; the rotating drive mechanism 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 fitting, the rotating shaft 2 is coaxially arranged with the wheel axle of the corresponding transmission roller, and the rotating shaft 1 and the rotating shaft 2 are both sleeved with bevel gears, and the two bevel gears mesh with each other. One end of the second rotating shaft extends out of the gear transmission box and is transmission connected to one end of the corresponding transmission roller, and both ends of the first rotating shaft extend out of the gear transmission box, and the protruding ends of the first rotating shafts of two adjacent gear transmission boxes are connected through a universal joint, and the first rotating shaft of any gear transmission box is transmission connected to the pulley shaft through the universal joint, and the pulley shaft is transmission connected to the motor through the pulley mechanism; a pipe end alignment mechanism is provided on the blanking machine base, and the pipe end alignment mechanism includes a plurality of alignment flat rollers, each alignment flat roller is arranged in one-to-one correspondence with a row of transmission rollers, and the roller shaft of the alignment flat roller is transmission connected to the other end of the corresponding transmission roller, and the two ends of the roller shaft of the alignment flat roller are respectively rotatably supported on the bearing seat, the bearing seat is installed on the roller seat, and the roller seat is fixedly connected to the machine base, and a shaft corresponding to the alignment flat roller is provided at the tail end of the machine base. The corresponding alignment end plate, the back side of the alignment end plate elastically contacts the spring, and a proximity switch is provided 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, 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 seat, 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 a flexible friction-reducing pad is provided on the surface of the support bracket, and the corresponding sprocket shafts on two adjacent chain racks are connected by a universal joint transmission, and the sprocket shaft on any chain rack 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 collecting and packaging device comprises a plurality of waiting platforms arranged in parallel from front to back, wherein the waiting platform is provided with a material unloading slope, and a material blocking plate is rotatably connected to the bottom of the material unloading slope on the waiting platform, and the material blocking plate is arranged in a V shape, and a material blocking cylinder is hingedly connected to the corresponding material blocking plate on the waiting platform, and an L-shaped connecting piece is hingedly connected to the extended end of the piston rod of the material blocking cylinder, and the other end of the connecting piece is hingedly connected to the material blocking plate; a material frame is correspondingly provided in the material unloading area of ​​the waiting platform; an elastic buffer belt connected to a spring is provided in the corresponding steel pipe in the material frame; a ramp plate and The transition seat is staggered with the transmission roller, a lifting platform is arranged on the transition seat, a transition slope is arranged on the upper side of the lifting platform, the transition slope is located below the material discharge slope, a cavity is arranged in the middle of the lifting platform, a fixed material stop block is arranged in the cavity, a material discharge wedge surface corresponding to the material discharge slope is arranged on the upper side of the fixed material stop block, and a transition zone is formed between the transition slope and the side of the fixed material stop block close to the ramp plate; the welded pipes after cutting and forming are transported to the blanking device one by one, and the welded pipes are transported along the transmission roller of the blanking machine seat. When the pipe fittings are sent to the tail end of the machine seat, the inspection The sensor distinguishes qualified welded pipes from defective welded pipes. If qualified pipes are detected, the right blanking plate rises to push the qualified pipe fittings to the right blanking area, and the alignment flat roller drives the qualified welded pipe to move toward the alignment end plate to align the qualified welded pipes. After the proximity switch detects that the welded pipe is in place, the chain transmission device starts, the motor drives the pulley shaft to rotate through the pulley mechanism, and the pulley shaft drives any sprocket shaft to rotate through the universal joint, and the sprockets rotate synchronously. The L-shaped support bracket moves with the chain, and the support bracket hooks the steel pipe upwards, and the steel pipe is The pipe is supported by the support bracket, and the chain moves to transfer the steel pipe upward to the subsequent transmission line for internal welding rib removal; if it is detected to be defective, the sorted defective welded pipes will roll down to the transition area through the ramp plate one by one, the lifting platform will rise, and the welded pipe will also rise along the side of the fixed blocking block until the transition slope corresponds to the unloading wedge surface, and the welded pipe will roll down to the unloading slope, and the blocking plate will block the defective welded pipe. When the number of welded pipes on the unloading slope reaches a certain amount, the blocking cylinder drives the blocking plate to rotate through the connecting piece, and the defective welded pipe falls into the material frame. ;

Images