CN211277377U - Intelligent flexible roll bending forming welded pipe unit - Google Patents

Abstract

The utility model discloses an intelligent flexible roll bending forming welded pipe unit in the field of welded pipe production and manufacturing, which comprises a discharging device, an uncoiling device, a shearing butt welding device, a feeding guide device, a forming device, a welding device, a polishing device, a water cooling device, a sizing device and a straightening device, wherein the forming device comprises a plurality of forming flat roll devices, and forming vertical roll devices are arranged between a first forming flat roll device and a second forming flat roll device, between a third forming flat roll device and a fourth forming flat roll device and between a fourth forming flat roll device and a fifth forming flat roll device; three closed hole flat roll devices which are sequentially arranged are arranged behind the eighth forming flat roll device, and a guide flat roll device and a guide vertical roll device are sequentially and correspondingly arranged behind the third closed hole flat roll device; the forming flat roll device and the closed hole flat roll device are in transmission connection with a speed reducer through a universal transmission shaft, and the input end of the speed reducer is in transmission connection with a power system. The utility model discloses the unit is applicable to the processing of different specification welded tubes, and the commonality is good.

Description

Intelligent flexible roll bending forming welded pipe unit

Technical Field

The utility model belongs to the welded tube field of manufacturing, in particular to intelligent flexible roller bending forming welded tube unit.

Background

In the prior art, a roll bending forming production device is mainly used for producing square and rectangular welded pipes, profiles and the like, and comprises a feeding device, an uncoiling device, a shearing butt welding device, a feeding guide device, a vertical roll forming device, a flat roll forming device, a welding device, a polishing device, a water cooling device, a sizing device and a straightening device. The vertical roll forming device and the flat roll forming device are respectively provided with a plurality of passes. Taking a flat roll forming device as an example, the structure of the flat roll forming device mainly comprises a base, wherein the base is connected to a rack, two support frames are symmetrically arranged on the upper side of the base, a longitudinal slide rail is arranged on each support frame, a longitudinal slide block is arranged in each longitudinal slide rail, the top of each support frame is rotatably and vertically provided with a longitudinal adjusting screw rod, the lower end of each longitudinal adjusting screw rod is connected to each longitudinal slide block through threads, two flat rolls which correspond to each other are arranged between the two support frames, the axes of the flat rolls are horizontally arranged, two ends of a roll shaft of each flat roll positioned on the lower side are fixed on the support frames through bearing seats, two ends of a roll shaft of each flat roll positioned on the upper side are rotatably arranged on the longitudinal slide blocks, the flat roll forming device is. The axes of the vertical roll in the vertical roll forming device are vertically arranged, the flat roll and the vertical roll are roll bending dies, and the roll bending dies need to be arranged in various shapes and specifications for finishing the purpose of gradual forming processing. The disadvantages are that: such roll bending dies are not versatile, and a large number of dies of different specifications are required to meet production requirements, resulting in higher manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an intelligent flexible roller bending forming welded tube unit can adopt the direct shaping mode of clod wash, according to the position of the specification adjustment roll of welded tube for the unit is applicable to the manufacturing of different specification welded tubes, and the commonality is better.

The purpose of the utility model is realized like this: an intelligent flexible roll bending forming welded pipe unit comprises a feeding device, an uncoiling device, a shearing butt welding device, a feeding guide device, a forming device, a welding device, a polishing device, a water cooling device, a sizing device and a straightening device, wherein the forming device comprises eight forming flat roll devices which are sequentially arranged from front to back, and forming vertical roll devices are arranged between a first forming flat roll device and a second forming flat roll device, between a third forming flat roll device and a fourth forming flat roll device and between a fourth forming flat roll device and a fifth forming flat roll device; three closed hole flat roll devices which are sequentially arranged backwards are correspondingly arranged behind the eighth forming flat roll device, and a guide flat roll device and a guide vertical roll device are sequentially and correspondingly arranged behind the third closed hole flat roll device; each forming flat roller device and each closed hole flat roller device are in transmission connection with a speed reducer through a universal transmission shaft, and the input end of the speed reducer is in transmission connection with a power system.

The utility model adopts a forming mode of directly forming a square or a rectangle, and the frame is arranged into feeding guide, eight opening forming frames, three closed holes, guide, extrusion, outer burr scraping, polishing, water cooling, sizing and straightening; the first bending side of the square pipe and the rectangular pipe is formed by roll bending of a first bending angle machine frame set, the first bending side consists of three forming flat roller devices and a forming vertical roller device, and the height, the opening width and the centering of the forming vertical roller can be adjusted; the second bending side of the square pipe and the rectangular pipe is formed by roll bending of a second bending angle machine frame set, the second bending side is composed of five forming flat roll devices and two forming vertical roll devices, the height, the opening width and the centering of the forming vertical rolls can be adjusted, the position of the roll can be adjusted only by changing the specification of a product, and a motor reducer is used for driving. Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses can adopt the clod wash direct forming mode, according to the position of the specification adjustment roll of welded tube for the unit is applicable to the manufacturing of different specification welded tubes, and the commonality is better.

As a further improvement of the utility model, the forming flat roll device comprises two flat roll support frames which are vertically arranged on the frame and correspond to each other left and right, a longitudinal flat roll slide rail is arranged on each flat roll support frame, an upper slide block and a lower slide block are respectively arranged in each flat roll slide rail, a longitudinal adjusting screw rod I connected with the upper slide block is arranged at the top of each flat roll support frame, the lower slide block is fixed in each flat roll slide rail, a lower roll shaft is rotatably arranged between the lower slide blocks, and an upper roll shaft is rotatably arranged between the upper slide blocks; the lower roll shaft and the upper roll shaft are parallel and horizontally arranged, the universal transmission shaft is in transmission connection with the lower roll shaft, the upper roll shaft and the lower roll shaft are respectively and symmetrically sleeved with two shaft sleeves, and the shaft sleeves are connected with the corresponding upper roll shaft and the lower roll shaft through sliding keys; one end of the shaft sleeve is arranged in a sliding seat through an auxiliary bearing, and the sliding seat is in transmission connection with a transverse adjusting screw rod I for driving the sliding seat to slide; an upper forming flat roller is arranged outside the shaft sleeve positioned on the upper roll shaft, and two upper forming flat rollers corresponding to the upper roll shaft are symmetrically arranged; and a coupling gap for allowing a workpiece to pass through is reserved between the upper forming flat roller and the lower forming flat roller. The height position of the upper roll shaft can be adjusted, the lower roll shaft is driven by a direct current motor and is driven by a speed reducer and a universal shaft, and the position of the forming flat roll on the shaft is positioned and adjusted by a transverse adjusting screw rod.

As a further improvement, the shaping edger roll device includes the edger roll frame, rotationally is provided with horizontally lateral adjustment lead screw on the edger roll frame, and corresponding orthodontic screw thread section and anti-dental screw thread section about being provided with respectively on the lateral adjustment lead screw, all is connected with screw nut on orthodontic screw thread section and the anti-dental screw thread section, all is connected with on two screw nut and removes the seat, and two remove the seat and control and correspond the setting, remove the vertical screw frame that is provided with on the seat, rotationally be provided with upright longitudinal adjustment lead screw on the screw frame, the cover is equipped with screw nut on the longitudinal adjustment lead screw, is connected with the lift seat on the screw nut, rotationally be provided with vertical edger roll axle on the lift seat, install the shaping edger roll on the edger roll axle. The vertical forming roll is installed between the flat forming roll devices and is used for guiding and assisting in forming strip steel and participating in transition adjustment between the two horizontal rolls.

As a further improvement of the utility model, the closed hole flat roll device comprises two closed hole flat roll supporting frames which are correspondingly arranged left and right, a lower closed hole flat roll shaft is rotatably arranged between the two closed hole flat roll supporting frames, the universal transmission shaft is in transmission connection with the lower closed hole flat roll shaft, a lower closed hole flat roll is arranged on the lower closed hole flat roll shaft, two vertical closed hole sliding rails which correspond front and back are arranged on the closed hole flat roll supporting frames in parallel, sliding blocks are arranged on the closed hole sliding rails, a lifting roll frame is arranged between the two sliding blocks which correspond left and right between the two closed hole flat roll supporting frames, an installation support is horizontally arranged between the tops of the two closed hole flat roll supporting frames, two longitudinal adjusting screw rods which are symmetrical left and right are vertically arranged on the installation support corresponding to each lifting roll frame, two driving ends of the two longitudinal adjusting screw rods which correspond left and right are in transmission connection with the corresponding lifting roll frames, the lower sides of the two lifting roller frames are respectively and rotatably provided with an upper closed hole flat roller, the two upper closed hole flat rollers are respectively positioned at the front side and the rear side of a lower closed hole flat roller in the horizontal direction, the closed hole flat roller supporting frame is provided with a side vertical roller frame capable of moving left and right, the side vertical roller frame is in two-phase transmission connection with a transverse adjusting screw, the side vertical roller frame is rotatably provided with side closed hole vertical rollers, the two side closed hole vertical rollers are respectively positioned at the left side and the right side of the lower closed hole flat roller, and the side closed hole vertical rollers are positioned between the upper closed hole flat roller and the lower closed hole flat roller in the vertical direction. In the idle bending stage from the closed hole flat roll device, the lower closed hole flat roll shaft is active and is driven by a direct current motor, the lower closed hole flat roll shaft is driven by a speed reducer and a universal transmission shaft, the position of the upper closed hole flat roll can be adjusted up and down by only adjusting the position of the roll in the specification change, and the roll does not need to be replaced in all product specifications.

As a further improvement of the utility model, a forming extrusion device is correspondingly arranged behind the guide vertical roll device and comprises an extrusion base, a lower roll seat is arranged in the middle of the extrusion base, a lower extrusion flat roll is rotatably arranged on the lower roll seat, the left side and the right side of the lower flat roll on the base are respectively provided with a sliding seat capable of transversely moving along the base, two sliding seats are correspondingly arranged left and right, each sliding seat is in four-drive connection with a transverse adjusting screw rod, the sliding seat is provided with a liftable side roll seat, each side roll seat is in drive connection with a screw nut of a vertical longitudinal adjusting screw rod II, side extrusion vertical rolls are rotatably arranged on the side roll seats, the two side extrusion vertical rolls are symmetrically arranged left and right, the base is provided with a frame, the frame is provided with a lifting seat capable of vertically moving, and the lifting seat is in four-drive connection with the longitudinal adjusting screw rod, the last roller seat that corresponds about two slopes to be provided with on the lift seat, every goes up the roller seat and all is connected with an oblique adjustment screw transmission, and the moving direction that moves adjustment screw to one side sets up along the incline direction that corresponds the roller seat, rotationally install the oblique roller on going up the roller seat, the roller of going up the oblique roller sets up with the moving direction that corresponds the roller seat is perpendicular, extrude flat roll, side extrusion edger roll and last oblique roller and correspond the setting each other down. The longitudinal adjusting screw rod four can drive the two upper oblique rollers to integrally move up and down, the oblique moving adjusting screw rod can drive the upper oblique rollers to independently adjust and move, the two side vertical rollers can integrally move and can independently move under the driving of the transverse adjusting screw rod four, and the two side vertical rollers can also move up and down under the driving of the screw nut of the longitudinal adjusting screw rod two.

As a further improvement of the present invention, with the burr cutting device is correspondingly provided with the molding extrusion device, the burr cutting device includes a cutting frame, a lifting seat capable of moving up and down is provided on the cutting frame, the lifting seat is horizontally provided with two mounting plates corresponding to each other up and down, two mounting shafts are vertically provided corresponding to the mounting plates, the mounting shafts include a large diameter section below and a small diameter section above, the outer periphery of the upper end of the small diameter section of the mounting shafts is provided with a screw thread, the mounting shafts sequentially pass through the two mounting plates from top to bottom and extend downward, the upper end of the mounting shafts is in threaded connection with a fixing nut, the fixing nut contacts with the mounting plate above, the outer periphery of the mounting shafts between the two mounting plates is sleeved with a spring, the upper and lower ends of the spring are provided with retaining rings, the upper retaining ring contacts with the, The mounting plates below are contacted with each other, a fixed shaft is horizontally arranged between the lower ends of the two mounting shafts, a chip breaking roller is rotatably sleeved on the fixed shaft, and a forming planer tool is arranged in the middle of the chip breaking roller. The lift seat can drive the shaping planer tool and reciprocate, and fixation nut restriction installation axle moves down, and the spring lower extreme will install the big footpath section of axle and compress tightly, will install the axle location, and the planer tool subassembly has the elastic space that reciprocates in vertical direction when planing the burr, and shaping planer tool and welded tube flexonics improve the planing quality, avoid shaping planer tool, welded tube to appear damaging. The device can adjust the position of the forming planer tool in the vertical direction, and flexibly contacts with the welded pipe, so that the planing quality is improved. The burr cutting device enables the scraped burrs to be segmented, and is convenient for burr collection.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a top view of the present invention.

FIG. 3 is a schematic structural view of a forming flat roll device.

FIG. 4 is a schematic structural view of a forming flat roll device.

FIG. 5 is a schematic structural view of a forming vertical roll device.

FIG. 6 is a schematic structural view of a forming vertical roll device.

FIG. 7 is a schematic view of the structure of a closed-hole flat roll apparatus.

FIG. 8 is a schematic view of the structure of a closed-pore flat roll apparatus.

Fig. 9 is a schematic structural view of the profile extrusion apparatus.

Fig. 10 is a schematic structural view of the profile extrusion apparatus.

Fig. 11 is a front view of the burr cutting apparatus.

Fig. 12 is a partially enlarged view of fig. 11.

Fig. 13 is a side view of the burr chopping apparatus.

Fig. 14 is a partially enlarged view of fig. 13.

Wherein, 1 feeding guide device, 2 forming flat roll device, 3 forming vertical roll device, 4 closed hole flat roll device, 5 guiding flat roll device, 6 guiding vertical roll device, 7 universal transmission shaft, 8 reducer, 9 flat roll support frame, 10 flat roll slide rail, 11 upper slide block, 12 lower slide block, 13 longitudinal adjusting screw rod I, 14 lower roll shaft, 15 upper roll shaft, 16 shaft sleeve, 17 sliding key, 18 auxiliary bearing, 19 sliding seat, 20 transverse adjusting screw rod I, 21 vertical roll base, 22 transverse adjusting screw rod I, 23 screw rod nut, 24 moving seat, 25 lead screw rod frame, 26 longitudinal adjusting screw rod I, 27 lifting seat, 28 vertical roll shaft, 29 closed hole flat roll support frame, 30 lower closed hole flat roll shaft, 31 lower closed hole flat roll, 32 closed hole slide rail, 33 slide block, 34 lifting roll frame, 35 longitudinal adjusting screw rod II, 36 mounting bracket, 37 upper closed hole flat roll, 38 side vertical roll frame, 39 transverse adjusting screw rod II, the device comprises a 40-side closed-hole vertical roller, a 41-side extrusion base, a 42-lower roller seat, a 43-lower extrusion flat roller, a 44-sliding seat, a 45-lateral adjusting screw rod IV, a 46-side roller seat, a 47-longitudinal adjusting screw rod II, a 48-side extrusion vertical roller, a 49 frame, a 50-lifting seat, a 51-longitudinal adjusting screw rod IV, a 52-upper roller seat, a 53-oblique adjusting screw rod, a 54-upper oblique roller, a 55-chopping frame, a 56-lifting seat, a 57-mounting plate, a 58-mounting shaft, a 58a large-diameter section, a 58b small-diameter section, a 59-fixing nut, a 60-spring, a 61-retaining ring, a 62-fixing shaft, a 63-.

Detailed Description

As shown in fig. 1-14, an intelligent flexible roll bending forming welded pipe unit comprises a feeding device, an uncoiling device, a shearing and butt welding device, a feeding guide device 1, a forming device, a welding device, a polishing device, a water cooling device, a sizing device and a straightening device, wherein the forming device comprises eight forming flat roll devices 2 which are sequentially arranged from front to back, and forming vertical roll devices 3 are respectively arranged between the first forming flat roll device 2 and the second forming flat roll device 2, between the third forming flat roll device 2 and the fourth forming flat roll device 2 and between the fourth forming flat roll device 2 and the fifth forming flat roll device 2; three closed hole flat roll devices 4 which are sequentially arranged backwards are correspondingly arranged behind the eighth forming flat roll device 2, and a guide flat roll device 5 and a guide vertical roll device 6 are sequentially and correspondingly arranged behind the third closed hole flat roll device 4; each forming flat roller device 2 and each closed hole flat roller device 4 are in transmission connection with a speed reducer 8 through a universal transmission shaft 7, and the input end of the speed reducer 8 is in transmission connection with a power system. The forming flat roll device 2 comprises two flat roll supporting frames 9 which are vertically arranged on a rack 49 and correspond to each other left and right, a longitudinal flat roll sliding rail 10 is arranged on each flat roll supporting frame 9, an upper sliding block 11 and a lower sliding block 12 are respectively arranged in each flat roll sliding rail 10, a longitudinal adjusting screw rod 13 connected with the upper sliding block 11 is arranged at the top of each flat roll supporting frame 9, the lower sliding blocks 12 are fixed in the flat roll sliding rails 10, lower roll shafts 14 are rotatably arranged between the lower sliding blocks 12, and upper roll shafts 15 are rotatably arranged between the upper sliding blocks 11; the lower roll shaft 14 and the upper roll shaft 15 are parallel and horizontally arranged, the universal transmission shaft 7 is in transmission connection with the lower roll shaft 14, the upper roll shaft 15 and the lower roll shaft 14 are respectively and symmetrically sleeved with two shaft sleeves 16, and the shaft sleeves 16 are connected with the corresponding upper roll shaft 15 and the lower roll shaft 14 through sliding keys 17; one end of the shaft sleeve 16 is arranged in a sliding seat 19 through an auxiliary bearing 18, and the sliding seat 19 is in transmission connection with a transverse adjusting screw rod I20 which drives the sliding seat 19 to slide; an upper forming flat roller is arranged outside a shaft sleeve 16 positioned on an upper roller shaft 15, and two upper forming flat rollers corresponding to the upper roller shaft 15 are symmetrically arranged; and a lower forming flat roller is arranged outside a shaft sleeve 16 positioned on the lower roll shaft 14, two lower forming flat rollers corresponding to the lower roll shaft 14 are also symmetrically arranged, and a coupling gap for a workpiece to pass through is reserved between the upper forming roller and the lower forming roller. The forming vertical roll device 3 comprises a vertical roll base 21, a horizontal transverse adjusting screw rod 22 is rotatably arranged on the vertical roll base 21, a left-right corresponding orthodontic screw thread section and an anti-orthodontic screw thread section are respectively arranged on the transverse adjusting screw rod 22, a screw nut 23 is respectively connected onto the orthodontic screw thread section and the anti-orthodontic screw thread section, two moving bases 24 are respectively connected onto the two screw nuts 23, the two moving bases 24 are correspondingly arranged left and right, a screw frame 25 is vertically arranged on the moving bases 24, a vertical longitudinal adjusting screw rod 26 is rotatably arranged on the screw frame 25, a screw nut 23 is sleeved on the longitudinal adjusting screw rod 26, a lifting base 27 is connected onto the screw nut 23, a vertical roll shaft 28 is rotatably arranged on the lifting base 27, and a forming vertical roll is installed on the vertical roll shaft 28. The closed hole flat roll device 4 comprises two closed hole flat roll supporting frames 29 which are correspondingly arranged left and right, a lower closed hole flat roll shaft 30 is rotatably arranged between the two closed hole flat roll supporting frames 29, a universal transmission shaft 7 is in transmission connection with the lower closed hole flat roll shaft 30, a lower closed hole flat roll 31 is arranged on the lower closed hole flat roll shaft 30, two vertical closed hole sliding rails 32 which correspond to each other front and back are arranged on the closed hole flat roll supporting frames 29 in parallel, sliding blocks 33 are arranged on the closed hole sliding rails 32, a lifting roll frame 34 is arranged between the two sliding blocks 33 which correspond to each other left and right between the two closed hole flat roll supporting frames 29, an installation support 36 is horizontally arranged between the tops of the two closed hole flat roll supporting frames 29, two longitudinal adjusting screw rods 35 which are symmetrical left and right are vertically arranged on the installation support 36 corresponding to each lifting roll frame 34, the driving ends of the two longitudinal adjusting screw rods 35 which correspond to each other left and right are in transmission connection with the corresponding lifting roll frames 34, upper closed hole flat rollers 37 are rotatably arranged on the lower sides of the two lifting roller frames 34, the two upper closed hole flat rollers 37 are respectively positioned on the front side and the rear side of the lower closed hole flat roller 31 in the horizontal direction, side vertical roller frames 38 capable of moving left and right are arranged on the closed hole flat roller supporting frame 29, the side vertical roller frames 38 are in transmission connection with a transverse adjusting screw rod II 39, side closed hole vertical rollers 40 are rotatably arranged on the side vertical roller frames 38, the two side closed hole vertical rollers 40 are respectively positioned on the left side and the right side of the lower closed hole flat roller 31, and the side closed hole vertical rollers 40 are vertically positioned between the upper closed hole flat roller and the lower closed hole flat roller 31. The rear part of the guide vertical roller device 6 is correspondingly provided with a forming extrusion device, the forming extrusion device comprises an extrusion base 41, the middle part of the extrusion base 41 is provided with a lower roller seat 42, the lower roller seat 42 is rotatably provided with a lower extrusion flat roller 43, the left side and the right side of the lower flat roller on the base are respectively provided with a sliding seat 44 capable of transversely moving along the base, the two sliding seats 44 are correspondingly arranged left and right, each sliding seat 44 is in transmission connection with a transverse adjusting screw rod IV 45, the sliding seat 44 is provided with a liftable side roller seat 46, each side roller seat 46 is in transmission connection with a vertical longitudinal adjusting screw rod II 47 screw rod nut 23, the side roller seats 46 are rotatably provided with side extrusion vertical rollers 48, the two side extrusion vertical rollers 48 are symmetrically arranged left and right, the base is provided with a machine frame 49, the machine frame 49 is provided with a lifting seat 50 capable of vertically moving, the lifting seat 50 is in transmission connection with a longitudinal adjusting, the lifting seat 50 is provided with two left and right corresponding upper roller seats 52 in an inclined mode, each upper roller seat 52 is in transmission connection with an inclined adjusting screw 53, the moving direction of the inclined adjusting screw 53 is arranged along the inclined direction corresponding to the upper roller seats 52, an upper inclined roller 54 is rotatably installed on each upper roller seat 52, the roller shaft of the upper inclined roller 54 is perpendicular to the moving direction corresponding to the upper roller seats 52, and the lower extrusion flat roller 43, the side extrusion vertical roller 48 and the upper inclined roller 54 are arranged correspondingly. The burr cutting device is arranged corresponding to the forming extrusion device and comprises a cutting frame 55, a lifting seat 56 capable of moving up and down is arranged on the cutting frame 55, two mounting plates 57 corresponding up and down are horizontally arranged on the lifting seat 56, two mounting shafts 58 are vertically arranged corresponding to the mounting plates 57, each mounting shaft 58 comprises a large-diameter section 58a positioned below and a small-diameter section 58b positioned above, the periphery of the upper end of the small-diameter section 58b of each mounting shaft 58 is provided with a thread, each mounting shaft 58 sequentially penetrates through the two mounting plates 57 from top to bottom and extends downwards, the upper end of each mounting shaft 58 is in threaded connection with a fixing nut 59, each fixing nut 59 is in contact with the corresponding mounting plate 57 above, a spring 60 is sleeved on the periphery of the corresponding mounting shaft 58 between the two mounting plates 57, the upper end and the lower end of each spring 60 are provided with a retainer, the lower retainer ring 61 is contacted with the large-diameter section 58a of the mounting shafts 58 and the lower mounting plate 57, a fixing shaft 62 is horizontally arranged between the lower ends of the two mounting shafts 58, a chip breaking roller 63 is rotatably sleeved on the fixing shaft 62, and a forming planer tool 64 is arranged in the middle of the chip breaking roller 63.

The utility model adopts a forming mode of directly forming a square or a rectangle, and the frame is arranged into feeding guide, eight opening forming frames, three closed holes, guide, extrusion, outer burr scraping, polishing, water cooling, sizing and straightening; the first bending side of the square pipe and the rectangular pipe is formed by roll bending of a first bending angle machine frame set, the first bending side consists of three forming flat roll devices 2 and a forming vertical roll device 3, and the height, the opening width and the centering of the forming vertical roll can be adjusted; the second bending side of the square pipe and the rectangular pipe is formed by roll bending of a second bending angle machine frame set, the second bending side is formed by five forming flat roll devices 2 and two forming vertical roll devices 3, the height, the opening width and the centering of the forming vertical rolls can be adjusted, and the motor reducer is driven as long as the position of the roll is adjusted when the specification of a product is changed. The utility model has the advantages that: the utility model discloses can adopt the clod wash direct forming mode, according to the position of the specification adjustment roll of welded tube for the unit is applicable to the manufacturing of different specification welded tubes, and the commonality is better.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims (6)

1. An intelligent flexible roll bending forming welded pipe unit comprises a feeding device, an uncoiling device, a shearing and butt welding device, a feeding guide device, a forming device, a welding device, a polishing device, a water cooling device, a sizing device and a straightening device, and is characterized in that the forming device comprises eight forming flat roll devices which are sequentially arranged from front to back, and forming vertical roll devices are arranged between a first forming flat roll device and a second forming flat roll device, between a third forming flat roll device and a fourth forming flat roll device and between a fourth forming flat roll device and a fifth forming flat roll device; three closed hole flat roll devices which are sequentially arranged backwards are correspondingly arranged behind the eighth forming flat roll device, and a guide flat roll device and a guide vertical roll device are sequentially and correspondingly arranged behind the third closed hole flat roll device; each forming flat roller device and each closed hole flat roller device are in transmission connection with a speed reducer through a universal transmission shaft, and the input end of the speed reducer is in transmission connection with a power system.

2. The intelligent flexible roll bending forming welded pipe unit according to claim 1, wherein the forming flat roll device comprises two left and right corresponding flat roll support frames which are vertically arranged on a rack, a longitudinal flat roll slide rail is arranged on each flat roll support frame, an upper slide block and a lower slide block are respectively arranged in each flat roll slide rail, a longitudinal adjusting screw rod I connected with the upper slide block is arranged at the top of each flat roll support frame, the lower slide blocks are fixed in the flat roll slide rails, lower roll shafts are rotatably arranged between the lower slide blocks, and upper roll shafts are rotatably arranged between the upper slide blocks; the lower roll shaft and the upper roll shaft are parallel and horizontally arranged, the universal transmission shaft is in transmission connection with the lower roll shaft, the upper roll shaft and the lower roll shaft are respectively and symmetrically sleeved with two shaft sleeves, and the shaft sleeves are connected with the corresponding upper roll shaft and the lower roll shaft through sliding keys; one end of the shaft sleeve is arranged in a sliding seat through an auxiliary bearing, and the sliding seat is in transmission connection with a transverse adjusting screw rod I for driving the sliding seat to slide; an upper forming flat roller is arranged outside the shaft sleeve positioned on the upper roll shaft, and two upper forming flat rollers corresponding to the upper roll shaft are symmetrically arranged; and a coupling gap for allowing a workpiece to pass through is reserved between the upper forming flat roller and the lower forming flat roller.

3. The intelligent flexible roll bending forming pipe welding unit according to claim 1 or 2, wherein the forming vertical roll device comprises a vertical roll base, a horizontal transverse adjusting screw I is rotatably arranged on the vertical roll base, an orthodontic screw thread section and an anti-thread section which correspond to each other left and right are respectively arranged on the transverse adjusting screw I, screw nuts are respectively connected to the orthodontic screw thread section and the anti-thread section, moving seats are respectively connected to the two screw nuts, the two moving seats are correspondingly arranged left and right, a screw frame is vertically arranged on the moving seats, an upright longitudinal adjusting screw I is rotatably arranged on the screw frame, a screw nut is sleeved on the longitudinal adjusting screw I, a lifting seat is connected to the screw nut, a vertical roll shaft is rotatably arranged on the lifting seat, and a forming vertical roll is mounted on the vertical roll shaft.

4. The intelligent flexible roll bending forming welded pipe unit according to claim 1 or 2, characterized in that the closed hole flat roll device comprises two closed hole flat roll supports which are correspondingly arranged left and right, a lower closed hole flat roll shaft is rotatably arranged between the two closed hole flat roll supports, the universal transmission shaft is in transmission connection with the lower closed hole flat roll shaft, a lower closed hole flat roll is mounted on the lower closed hole flat roll shaft, two vertical closed hole slide rails which are correspondingly arranged front and back are arranged on the closed hole flat roll supports in parallel, slide blocks are arranged on the closed hole slide rails, lifting roll frames are arranged between the two slide blocks which are correspondingly arranged left and right between the two closed hole flat roll supports, a mounting bracket is horizontally arranged between the tops of the two closed hole flat roll supports, two longitudinal adjusting screw rods which are symmetrically arranged left and right are vertically arranged on the mounting bracket corresponding to each lifting roll frame, two driving ends of two longitudinal adjusting screw rods corresponding to the left and right sides are in transmission connection with corresponding lifting roller frames, upper closed hole flat rollers are rotatably arranged on the lower sides of the two lifting roller frames, the two upper closed hole flat rollers are respectively positioned on the front side and the rear side of a lower closed hole flat roller in the horizontal direction, side vertical roller frames capable of moving left and right are arranged on a closed hole flat roller supporting frame, the side vertical roller frames are in transmission connection with two phases of transverse adjusting screw rods, side closed hole vertical rollers are rotatably arranged on the side vertical roller frames, the two side closed hole vertical rollers are respectively positioned on the left side and the right side of the lower closed hole flat roller, and the side closed hole vertical rollers are positioned between the upper closed hole flat roller and the lower closed hole flat roller in the vertical direction.

5. The intelligent flexible roll bending forming pipe welding unit according to claim 1 or 2, wherein a forming extrusion device is correspondingly arranged behind the guiding vertical roll device, the forming extrusion device comprises an extrusion base, a lower roll seat is arranged in the middle of the extrusion base, a lower extrusion flat roll is rotatably arranged on the lower roll seat, a sliding seat capable of moving transversely along the base is respectively arranged on the left side and the right side of the lower flat roll on the base, the two sliding seats are correspondingly arranged on the left side and the right side, each sliding seat is in four-way transmission connection with a transverse adjusting screw rod, a liftable side roll seat is arranged on each sliding seat, each side roll seat is in transmission connection with a screw nut of a vertical longitudinal adjusting screw rod II, a side extrusion vertical roll is rotatably arranged on each side roll seat, the two side extrusion vertical rolls are symmetrically arranged on the left side and the right side, a frame is arranged on the base, and a lifting seat capable of moving up and down is arranged on the frame, the lift seat is connected with four transmissions of vertical adjusting screw, the last roller seat that corresponds about two slopes to be provided with on the lift seat, every goes up the roller seat and all is connected with an oblique shift adjusting screw transmission, and the moving direction that moves adjusting screw in an oblique direction sets up along the incline direction that corresponds the roller seat, rotationally install the oblique roller on going up the roller seat, go up the roller of oblique roller and the perpendicular setting of moving direction that corresponds the roller seat, extrude flat roll, side extrusion edger roll and last oblique roller and correspond the setting each other down.

6. The intelligent flexible roll bending forming welded pipe unit as claimed in claim 5, wherein a burr cutting device is provided corresponding to the forming extrusion device, the burr cutting device comprises a cutting frame, a lifting seat capable of moving up and down is provided on the cutting frame, two corresponding mounting plates are horizontally provided on the lifting seat, two mounting shafts are vertically provided corresponding to the mounting plates, the mounting shafts comprise a large diameter section at the lower part and a small diameter section at the upper part, the outer periphery of the small diameter section of the mounting shafts is provided with threads, the mounting shafts sequentially penetrate through the two mounting plates from top to bottom and extend downwards, the upper ends of the mounting shafts are in threaded connection with fixing nuts, the fixing nuts are in contact with the upper mounting plate, a spring is sleeved on the outer periphery of the mounting shaft between the two mounting plates, retaining rings are provided on the upper and lower ends of the spring, and the upper retaining rings are in contact with the upper, the retaining ring of below contacts with installation axle major diameter section, the mounting panel homogeneous phase of below, and the level is provided with the fixed axle between two installation axle lower extremes, rotationally overlaps on the fixed axle to be equipped with the chip breaking roller, and the chip breaking roller middle part is provided with the shaping planer tool.

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