CN215699621U - Universal automatic pipe making machine - Google Patents

Abstract

The utility model discloses a universal automatic pipe making machine, which comprises a horizontal rolling device, a hemming rolling device, a folding rolling device, an opposite side rolling device and a folding welding device which are sequentially arranged, wherein the horizontal rolling device comprises a first horizontal upper roller and a first horizontal lower roller, the first horizontal upper roller and the first horizontal lower roller are both provided with a split structure, the folding rolling device comprises a second horizontal upper roller, a second horizontal lower roller and an arc vertical roller, the second horizontal upper roller and the second horizontal lower roller are vertically arranged oppositely, the arc vertical rollers are arranged oppositely and are annularly arranged with the second horizontal upper roller and the second horizontal lower roller, the second horizontal upper roller is provided with a split structure, and the peripheral surface of the second horizontal upper roller is provided with two opposite side clamping grooves. The utility model can adapt to the pressing of steel pipes with different pipe diameters, greatly save the occupied space of a forming machine set and save the materials for equipment. And a cooling water channel is arranged in the compression roller of the folding welding device, so that the temperature of the compression roller can be effectively reduced, and the service life of the compression roller is prolonged.

Description

Universal automatic pipe making machine

Technical Field

The utility model relates to an automatic pipe making machine, in particular to a universal automatic pipe making machine.

Background

The press roll of the traditional horizontal press roll pipe making machine is integrated, the size, the cambered surface and the like of the press roll need to be manufactured by combining the pipe diameter when a steel pipe is produced, and the universality is low. When a large-caliber steel pipe is produced, the compression roller needs to be made into a large size, the amount of the die steel material needed to be used is large, one compression roller is often several tons in weight, the compression roller of the whole unit needs dozens of tons or even hundreds of tons of raw materials, and the manufacturing cost of equipment is high; and is difficult to install, transport, replace and maintain, and the cost is high. Since the weight of the rolls is large, the parts used, such as bearings, need to be reinforced, resulting in high overall equipment cost. In addition, a vertical roller set is arranged between two adjacent press roller housing windows and used for gradually folding the steel belt. The vertical roller group also needs to consume a large amount of raw materials, and meanwhile, the whole forming unit is very long in length and large in occupied area. In addition, because the steel pipe can produce high temperature during welding, especially when heavy-calibre thick pipe produces, in order to guarantee the depth of weld, often need 2, 3 welder weldings, therefore the temperature of steel pipe is very high, and the compression roller that directly pressfitting contact with the steel pipe needs to stand high temperature for a long time, and the material rerum natura of compression roller can change, need stand huge pressure for a long time simultaneously, consequently the compression roller phenomenon of bursting often appears, causes compression roller life short, and later stage maintenance, maintenance cost are high.

Disclosure of Invention

The utility model provides a general automatic pipe making machine which is small in occupied space, low in equipment cost and long in service life.

According to one aspect of the utility model, a universal automatic pipe making machine is provided, which comprises a horizontal rolling device, a hemming rolling device, a folding rolling device, an opposite side rolling device and a folding welding device which are sequentially arranged, wherein the horizontal rolling device comprises a first horizontal upper roller and a first horizontal lower roller, the first horizontal upper roller and the first horizontal lower roller are both provided with a split structure, the folding rolling device comprises a second horizontal upper roller, a second horizontal lower roller and an arc vertical roller, the second horizontal upper roller and the second horizontal lower roller are arranged up and down oppositely, the arc vertical roller is arranged oppositely and arranged in a ring shape with the second horizontal upper roller and the second horizontal lower roller, the second horizontal upper roller is provided with a split structure, the peripheral surface of the second horizontal upper roller is provided with two opposite side clamping grooves, the horizontal rolling device is used for pressing the middle part of a steel strip to enable two side edges of the steel strip to be bent upwards, the edge rolling device is used for pressing a steel belt to enable two side edges of the steel belt to be further bent upwards, the folding rolling device is used for folding the two side edges of the pressed steel belt towards the middle, the opposite rolling device is used for pressing the steel belt to enable the two side edges of the steel belt to be clamped into two opposite side clamping grooves respectively so as to align and fold the two side edges of the steel belt gradually, and the folding welding device is used for folding and butt-jointing the two side edges of the steel belt and then welding the two side edges of the steel belt to form a steel pipe.

Furthermore, the folding rolling device further comprises a folding machine base, a horizontal upper roll shaft, a horizontal lower roll shaft, an upper roll shaft lifting mechanism and a vertical roll mounting mechanism, wherein the second horizontal upper roll shaft is sleeved outside the horizontal upper roll shaft, the second horizontal lower roll shaft is sleeved outside the horizontal lower roll shaft, the two folding machine bases are arranged to be two and are respectively connected with and supported at two ends of the horizontal upper roll shaft and the horizontal lower roll shaft, the upper roll shaft lifting mechanism is connected with the horizontal upper roll shaft and can drive the horizontal upper roll shaft to lift, the vertical roll mounting mechanism is fixed on the folding machine base, and the cambered vertical roll is mounted on the vertical roll mounting mechanism.

Further, roller includes half roller on the left side and half roller on the right side on the second level, and half roller on the left side and half roller on the right side all are equipped with the opposite side draw-in groove, the opposite side draw-in groove of half roller on the left side and half roller on the right side is the symmetry setting, it sets up to the multiunit and arranges in proper order to fold the roll-in device.

Further, hemming roller device includes roller, third level lower roll and inclined plane edger roll on the third level, roller and the relative setting from top to bottom of third level lower roll on the third level, the middle part of roller is protruding type on the third level, the middle part of third level lower roll is concave type, inclined plane edger roll sets up to two relatively and lies in the both sides of roller on the third level respectively, the global slope of inclined plane edger roll is the slope setting.

Further, opposite side roll-in device is including being the fourth level that the annular was arranged and going up roller, fourth level lower roll and two second cambered surface edgers, the middle part that roller, fourth level lower roll and second cambered surface edgers were all be the arc of indent in the fourth level, roller includes horizontal left half roller of fourth, horizontal right half roller of fourth and bulge loop on the fourth level, horizontal left half roller of fourth and horizontal right half roller of fourth are the symmetry setting, the bulge loop is located between horizontal left half roller of fourth and the horizontal right half roller of fourth, the diameter of bulge loop is greater than the diameter of adjacent horizontal left half roller of edge fourth and the horizontal right half roller edge position of fourth.

Further, the folding welding device comprises a memorial archway seat, an upper pressing frame, an upper pressing roller, a left pressing frame, a left pressing roller, a right pressing frame, a right pressing roller, a bottom bracket and a bottom bracket roller which are all arranged on the memorial archway seat, wherein the upper pressing roller, the left pressing roller, the right pressing frame, the bottom bracket roller and the right pressing roller are arranged in an annular mode, the upper pressing roller is rotatably arranged on the upper pressing frame, the left pressing roller is rotatably arranged on the left pressing frame, the right pressing roller is rotatably arranged on the right pressing frame, the bottom bracket roller is rotatably arranged on the bottom bracket, the upper pressing frame is provided with a cooling water interface, a cooling water channel is arranged in the upper pressing roller, and the cooling water interface is communicated with the cooling water channel.

Further, go up the pressure frame and include compression roller bracket, round pin axle, duplex bearing, rotary joint and thin wall metal pipe, the outside and the last compression roller bracket fixed connection of duplex bearing, the round pin axle run through the duplex bearing and with the inboard fixed connection of duplex bearing, the round pin is equipped with the through-hole that runs through the round pin axle in the round pin axle, rotary joint's one end and the one end fixed connection of through-hole, rotary joint's the other end is the cooling water interface, the other end and the cooling water channel connection of through-hole, round pin axle, duplex bearing and rotary joint all set up two and symmetric connection in the both sides of last compression roller, thin wall metal pipe runs through-hole and cooling water channel, the both ends of thin wall metal pipe are connected with two rotary joint respectively.

Further, the left pressure frame comprises a fixed seat, a second fixed block, a second sliding block, a left pressure roller bracket box, a left pressure roller bracket, a left and right adjusting screw rod, an upper and lower adjusting screw rod and a left pressure roller shaft, wherein the fixed seat and the second fixed block are both fixed on the memorial archway seat, the second sliding block is vertically and slidably connected with the second fixed block, the upper and lower adjusting screw rod penetrates through the fixed seat and is in threaded fit with the fixed seat, one end of the upper and lower adjusting screw rod is rotatably connected with the second sliding block, the left pressure roller bracket is fixedly connected with the second sliding block, the left pressure roller bracket is horizontally and slidably connected with the left pressure roller bracket box, the left pressure roller shaft is rotatably mounted at one end of the left pressure roller bracket, the left pressure roller is sleeved outside the left pressure roller shaft and is fixedly connected with the left pressure roller shaft, the left and right adjusting screw rod penetrates through one side of the left pressure roller bracket box and is rotatably connected with the left pressure roller bracket box, and one end of the left and right adjusting screw rods is sleeved in the other end of the left compression roller bracket and is in threaded fit with the left compression roller bracket.

The utility model has the beneficial effects that: the utility model sets the compression roller into a split structure by arranging the horizontal rolling device, the hemming rolling device, the folding rolling device, the opposite side rolling device and the folding welding device and improving the related compression roller structure, so as to adjust the compression position of the compression roller and adapt to the compression of steel pipes with different pipe diameters. The opposite side clamping grooves are formed in the compression rollers of the folding rolling device, so that the edges of two sides of the steel strip can be accurately aligned before welding, a vertical roller set is not required to be arranged between the units for aligning and gradually folding the steel strip, the occupied space of a forming unit can be greatly saved, and the material for equipment is saved. In addition, a cooling water channel is arranged in the compression roller of the folding welding device, so that the temperature of the compression roller can be effectively reduced, and the service life of the compression roller is prolonged.

Drawings

FIG. 1 is a schematic diagram of a generic automated pipe machine according to one embodiment of the present invention;

FIG. 2 is a schematic structural view of a horizontal rolling device;

FIG. 3 is a schematic structural view of the hemming roller assembly;

FIG. 4 is a schematic structural view of a folding roller device;

FIG. 5 is a schematic view of a side-to-side rolling device;

FIG. 6 is a schematic view of a fold welding apparatus;

FIG. 7 is a partial structural view of the upper press frame;

FIG. 8 is a schematic structural view of a rotary joint;

fig. 9 is a schematic structural view of the left pressing frame.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

Fig. 1 to 9 schematically show a general automatic pipe making machine according to an embodiment of the present invention.

Referring to fig. 1 and 2, the general automatic pipe making machine includes a horizontal rolling device 1, a hemming rolling device 2, a folding rolling device 3, a facing rolling device 4, and a folding welding device 5, which are sequentially arranged. The horizontal rolling device 1 is used for pressing the middle part of a steel strip to enable two side edges of the steel strip to be bent upwards, the hemming rolling device 2 is used for pressing the steel strip to enable the two side edges of the steel strip to be further bent upwards, the folding rolling device 3 is used for folding the two side edges of the steel strip towards the middle, the opposite rolling device 4 is used for pressing the steel strip to align and gradually fold the two side edges of the steel strip, and the folding welding device 5 is used for folding, butting and welding the two side edges of the steel strip to form a steel pipe. And a steel belt unreeling device and a steel belt flattening device 6 are arranged on one feeding side of the horizontal rolling device 1, and the steel belt is unreeled through the steel belt unreeling device and then is flattened through the steel belt flattening device 6 and then is conveyed to the horizontal rolling device 1. The steel belt is pressed by a horizontal rolling device 1 to enable two side edges of the steel belt to be upwards tilted, then the two side edges of the steel belt are upwards and inwards pushed and rolled from two sides by a hemming rolling device 2, then the two side edges of the steel belt are gradually pushed and folded inwards by a folding rolling device 3, then the two side edges of the steel belt are folded through an opposite side rolling device 4 and a folding welding device 5, and finally the steel belt is folded and welded by a folding welding device 5 to form the steel pipe.

Referring to fig. 2, the horizontal rolling device 1 includes a first horizontal upper roller 11, a first horizontal lower roller 12, a first horizontal upper roller shaft 13, a first horizontal lower roller shaft 14, a horizontal roller press seat 15, a horizontal upper roller elevating device 16, a horizontal upper roller shaft mounting seat 17, and a horizontal lower roller shaft mounting seat 18. The number of the horizontal rolling press bases 15 is two, and the number of the horizontal lower roll shaft mounting bases 18 is two and fixed to the horizontal rolling press bases 15 respectively. The two ends of the first horizontal lower roll shaft 14 are rotatably connected with the horizontal lower roll shaft mounting seats 18 on the two sides through bearings respectively. Both ends of the first horizontal upper roll shaft 13 are connected to two horizontal roll press bases 15, respectively, and supported by the horizontal roll press bases 15. The upper horizontal roller mounting seats 17 are arranged to be two and are respectively connected to the two horizontal roller pressing bases 15 in a sliding mode, the upper horizontal roller lifting device 16 is fixed to the upper portions of the horizontal roller pressing bases 15, the lower ends of the upper horizontal roller lifting device 16 are connected with the upper horizontal roller mounting seats 17 and can drive the upper horizontal roller mounting seats 17 to lift, and the upper horizontal roller lifting device 16 and the upper horizontal roller mounting seats 17 are correspondingly arranged to be two. Two ends of the first horizontal upper roller 11 are respectively and rotatably connected with the two horizontal upper roller shaft mounting seats 17 through bearings. The first horizontal upper roller 11 is fixedly sleeved outside the first horizontal upper roller shaft 13, the first horizontal lower roller 12 is sleeved outside the first horizontal lower roller shaft 14 and is fixedly connected with the first horizontal lower roller shaft 14, and the first horizontal upper roller 11 and the first horizontal lower roller 12 are both arranged into a split structure.

The horizontal upper roll lifting device 16 may include a worm gear mount 161, a worm 164, a connection box 165, a lifting screw 162, and a lifting transmission motor 163. The connecting box 165 and the lifting transmission motor 163 are both fixed on the horizontal rolling machine base 15, and the lifting transmission motor 163 is connected with one end of the worm 164 through a gearbox and can drive the worm 164 to rotate. A worm wheel is arranged outside the worm wheel mounting seat 161, and the other end of the worm 164 penetrates one side of the connecting box 165 and is meshed with the worm wheel on the worm wheel mounting seat 161. The worm wheel mount 161 is installed in the connection box 165 and rotatably connected to the connection box 165 by a bearing. The lower end of the lifting screw 162 is fixedly connected with the horizontal upper roller mounting seat 17, and the other end of the lifting screw 162 penetrates through the worm wheel mounting seat 161 and is in threaded fit with the worm wheel mounting seat 161. The rotation of the lifting transmission motor 163 can drive the worm 164 to rotate and drive the worm wheel mounting seat 161 to rotate, and the rotation of the worm wheel mounting seat 161 can drive the lifting screw 162 to move up and down to drive the horizontal upper roller shaft mounting seat 17 to move up and down to drive the first horizontal upper roller shaft 13 and the first horizontal upper roller 11 to move up and down.

Referring to fig. 4, the folding and rolling device 3 includes a second horizontal upper roller 31, a second horizontal lower roller 32, a cambered vertical roller 33, a folding base 34, a horizontal upper roller shaft 35, a horizontal lower roller shaft 36, an upper roller shaft lifting mechanism 37, and a vertical roller mounting mechanism 38. The second upper horizontal roller 31 and the second lower horizontal roller 32 are arranged oppositely, and the two cambered surface vertical rollers 33 are arranged and are respectively positioned at two sides of the second upper horizontal roller 31 and the two sides of the second lower horizontal roller 32. Roller 31 sets up into the component structure on the second level, and roller 31 was gone up to the second level global is equipped with opposite side draw-in groove 311, and opposite side draw-in groove 311 symmetry sets up to two, and opposite side draw-in groove 311 is equipped with straight face limit and cambered surface limit, and the contained angle between straight face limit and the cambered surface limit is 80 ~ 95 degrees, and during operation, the contained angle department between straight face limit and the cambered surface limit carries out the opposite side in the edge card of steel band. The second horizontal upper roller 31 is sleeved outside the horizontal upper roller shaft 35, and the second horizontal lower roller 32 is sleeved outside the horizontal lower roller shaft 36. The folding machine bases 34 are provided in two, and both ends of the horizontal upper roll shaft 35 and the horizontal lower roll shaft 36 are connected to the corresponding folding machine bases 34. The upper roll shaft lifting mechanism 37 is connected with the horizontal upper roll shaft 35 and can drive the horizontal upper roll shaft 35 to lift, the vertical roll mounting mechanism 38 is fixed on the folding machine base 34, and the cambered vertical roll 33 is mounted on the vertical roll mounting mechanism 38.

The second upper horizontal roller 31 is provided with two opposite side slots 311 for being respectively clamped into the two side edges of the steel strip to align the two side edges of the steel strip. The second upper horizontal roller 31 comprises a left half roller 312 and a right half roller 313, and the left half roller 312 and the right half roller 313 are both provided with opposite side clamping grooves 311. The opposite side card slots 311 of the left half roller 312 and the right half roller 313 are symmetrically arranged in multiple blocks, a spacer 314 can be arranged between the left half roller 312 and the right half roller 313, and the distance between the left half roller 312 and the right half roller 313 can be adjusted by the spacer 314. The folding and rolling devices 3 are arranged in 3-5 groups and are sequentially arranged, the positions of two opposite side clamping grooves 311 of the folding and rolling devices 3 are gradually folded towards the center of the second horizontal upper roller 31 along the conveying direction of the steel strip, namely, the distance between the opposite side clamping grooves 311 of the left half roller 312 and the right half roller 313 of the back group of folding and rolling devices 3 is closer than the distance between the opposite side clamping grooves 311 of the left half roller 312 and the right half roller 313 of the front group of folding and rolling devices 3, so that the edges of the steel strip can be gradually pressed to be folded and accurate alignment can be carried out after the steel strip sequentially passes through the rolling and folding devices 3. The lifting mechanism of the second horizontal upper roller 31 is the same as the horizontal upper roller lifting device 16.

Referring to fig. 3, the hemming roller assembly 2 includes a third upper horizontal roller 21, a third lower horizontal roller 22, and a slant vertical roller 23, and the third upper horizontal roller 21 and the third lower horizontal roller 22 are disposed to be opposite to each other up and down. The middle part of the third horizontal upper roller 21 is convex, and the middle part of the third horizontal lower roller 22 is concave. The two inclined vertical rollers 23 are respectively arranged at two sides of the third horizontal upper roller 21 and the third horizontal lower roller 22, and the peripheral surface of the inclined vertical roller 23 is inclined. The installation structure of the inclined vertical roll 23 is the same as that of the vertical roll installation mechanism 38.

Referring to fig. 5, the opposite-side rolling device 4 includes a fourth upper horizontal roller 41, a fourth lower horizontal roller 42, and two second arc-shaped vertical rollers 43, the fourth upper horizontal roller 41 and the fourth lower horizontal roller 42 are vertically opposite, and the two second arc-shaped vertical rollers 43 are horizontally opposite and annularly arranged with the fourth upper horizontal roller 41 and the fourth lower horizontal roller 42. The middle parts of the fourth horizontal upper roller 41, the fourth horizontal lower roller 42 and the second cambered surface vertical roller 43 are all in an inwards concave arc shape, the fourth horizontal upper roller 41 comprises a fourth horizontal left half roller 411, a fourth horizontal right half roller 412 and a convex ring 413, the fourth horizontal left half roller 411 and the fourth horizontal right half roller 412 are symmetrically arranged, the convex ring 413 is located between the fourth horizontal left half roller 411 and the fourth horizontal right half roller 412, and the diameter of the convex ring 413 is larger than that of the edge parts of the fourth horizontal left half roller 411 and the fourth horizontal right half roller 412 adjacent to the convex ring 413. The convex ring 413 of the opposite-side rolling device 4 is inserted between two edges of the steel strip, and the positions of the edges are aligned before the two edges of the steel strip are finally folded, so that the edges of the steel strip are ensured to be aligned.

Referring to fig. 6 and 7, the folding welding device 5 comprises a housing base 51, and an upper pressing frame 52, an upper pressing roller 53, a left pressing frame 54, a left pressing roller 55, a right pressing frame 56, a right pressing roller 57, a bottom bracket 58 and a shoe roller 59 which are all arranged on the housing base 51 and distributed in a ring shape. And a welding gun is arranged on one side of the output end of the folding welding device 5. The memorial archway seat 51 is provided with a through hole for the steel pipe to pass through, and the upper pressing roller 53, the left pressing roller 55, the right pressing roller 57 and the bottom carrier roller 59 surround a circular channel opposite to the through hole. The upper platen roller 53 is rotatably mounted to the upper platen frame 52, and the left platen roller 55 is rotatably mounted to the left platen frame 54. A right press roller 57 is rotatably mounted to the right press frame 56, and a bottom idler 59 is rotatably mounted to the bottom bracket 58. The upper pressing frame 52 is provided with a cooling water port 521, a cooling water channel 531 is arranged in the upper pressing roller 53, and the cooling water port 521 is communicated with the cooling water channel 531.

Referring to fig. 7, the upper press frame 52 includes an upper press roller bracket 522, a pin 523, a dual bearing 524, a rotary joint 525, a thin-walled metal tube 526, a first fixing block 527, a first slide block 528, and an upper roller adjustment screw 529. The outer side of the double bearing 524 is fixedly connected with the upper pressure roller bracket 522 by screws, and the pin shaft 523 penetrates through the double bearing 524 and is fixedly connected with the inner side of the double bearing 524 in a matching manner. A through hole 5231 penetrating through the pin 523 is formed in the pin 523, one end of the rotary joint 525 is fixedly connected with one end of the through hole 5231, the other end of the rotary joint 525 is a cooling water interface 521, and the other end of the through hole 5231 is connected with the cooling water channel 531.

The first fixed block 527 is fixed to the housing base 51, and the first sliding block 528 is vertically connected with the first fixed block 527 in a sliding manner. The upper roller adjusting screw 529 penetrates through the upper part of the memorial archway seat 51 and is in threaded fit with the memorial archway seat 51, and the lower end of the upper roller adjusting screw 529 is rotatably connected with the first sliding block 528. The upper roller adjustment screw 529 can be driven to rotate by a motor and a transmission mechanism, and the first sliding block 528 can move up and down to adjust the vertical position of the upper roller 53 by rotating the upper roller adjustment screw 529.

The pin 523, the duplex bearings 524 and the rotary joint 525 are all provided in two and are symmetrically connected to both sides of the upper press roller 53. The cooling water connection 521 can be connected to a cooling water pipe, and cooling water flows into the cooling water channel 531 arranged in the upper pressing roller 53 through the through hole 5231 arranged in the upper pressing roller 53 at one end to cool the upper pressing roller 53, and then is output from the cooling water connection 521 at the other end.

A thin-walled metal pipe 526 may be inserted through the through hole 5231 and the cooling water passage 531, and both ends of the thin-walled metal pipe 526 are connected to the two rotary joints 525, respectively. The upper press roller 53, the pin 523, and the thin-walled metal tube 526 rotate together and drive one end of the rotary joint 525 to rotate. The close contact of the thin-walled metal tube 526 with the inner wall of the cooling water passage 531 in the upper pressure roller 53 can increase the sealability of the cooling water entering into the upper pressure roller 53.

Referring to fig. 8, the rotary joint 525 includes an inner tube 5251, a rotor 5252, a ball bearing 5253, a collar 5254, a seal ring 5255, a spring 5256, and a connector 5257. The collar 5254 and the rotor 5252 are both sleeved outside the inner tube 5251, one end of the collar 5254 is fixedly connected with one end of the inner tube 5251, and the other end of the collar 5254 is sleeved outside the rotor 5252 and is rotatably connected with the rotor 5252 through a ball bearing 5253. A seal cavity 258 is provided between the inner tube 5251 and the collar 5254, and a seal ring 5255 and a spring 5256 are positioned within the seal cavity 258. One end of the spring 5256 abuts against the collar 5254, and the other end of the spring 5256 abuts against one end of the seal ring 5255. The other end of the seal ring 5255 abuts against one end of the rotor 5252, and a seal ring is provided between the seal ring 5255 and the rotor 5252. The sealing ring 5255 is sleeved outside the inner pipe 5251 and is slidably connected with the inner pipe 5251, and a sealing ring is arranged between the sealing ring 5255 and the inner pipe 5251. One end of the connector 5257 is fixedly connected with one end of the collar 5254 by threads. The other end of the connector 5257 can be provided with external threads or internal threads as desired. The end of the rotor 5252 is fixedly connected with one end of the through hole 5231 of the pin roll 523 through threads, and the end of the connector 5257 is a cooling water connector 521.

Referring to fig. 9, the left pressure frame 54 includes a fixing base 540, a second fixing block 541, a second slide block 542, a left pressure roller bracket 543, a left pressure roller bracket 544, a left and right adjustment screw 545, an up and down adjustment screw 546, and a left pressure roller shaft 547. The fixing base 540 and the second fixing block 541 are fixed to the housing frame base 51 by screws, and the second sliding block 542 is vertically and slidably connected with the second fixing block 541. The up-down adjusting screw 546 penetrates through the fixing base 540 and is in threaded fit with the fixing base 540, and one end of the up-down adjusting screw 546 is rotatably connected with the second sliding block 542. Rotating the up-down adjusting screw 546 can drive the second sliding block 542 to move up and down to drive the left pressing roller bracket 543, the left pressing roller bracket 544 and the left pressing roller 55 to move up and down to adjust the vertical position of the left pressing roller 55. Left compression roller bracket box 543 and second sliding block 542 are fixedly connected through screws, and left compression roller bracket 544 and left compression roller bracket box 543 are horizontally connected in a sliding manner. The left platen roller shaft 547 is rotatably mounted to one end of the left platen roller bracket 544, and the left platen roller 55 is sleeved outside the left platen roller shaft 547 and fixedly connected to the left platen roller shaft 547. The left and right adjusting screw 545 penetrates through one side of the left compression roller bracket box 543 and is rotatably connected with the left compression roller bracket box 543, and one end of the left and right adjusting screw 545 is sleeved in the other end of the left compression roller bracket 544 and is in threaded fit with the left compression roller bracket 544. The left and right adjusting screws 545 are rotated to drive the left pressing roller bracket 544 and the left pressing roller 55 to move horizontally to adjust the horizontal position of the left pressing roller 55.

The structure of the right pressure frame 56 is the same as that of the left pressure frame 54, the bottom bracket 58 is not provided with a cooling water system and related rotary joints, thin-walled metal pipes and other structural components, and the rest of the structural components are similar to those of the upper pressure frame 52.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept herein, and it is intended to cover all such modifications and variations as fall within the scope of the utility model.

Claims (8)

1. General automatic tuber, its characterized in that: comprises a horizontal rolling device (1), a hemming rolling device (2), a folding rolling device (3), a facing rolling device (4) and a folding welding device (5) which are sequentially arranged, wherein the horizontal rolling device (1) comprises a first horizontal upper roller (11) and a first horizontal lower roller (12), the first horizontal upper roller (11) and the first horizontal lower roller (12) are both provided with a split structure, the folding rolling device (3) comprises a second horizontal upper roller (31), a second horizontal lower roller (32) and an arc-surface vertical roller (33), the second horizontal upper roller (31) and the second horizontal lower roller (32) are oppositely arranged from top to bottom, the arc-surface vertical roller (33) is relatively arranged into two parts and is annularly arranged with the second horizontal upper roller (31) and the second horizontal lower roller (32), the second horizontal upper roller (31) is provided with the split structure, two facing clamping grooves (311) are arranged on the periphery of the second horizontal upper roller (31), horizontal rolling device (1) is used for pressing the middle part of steel band to make the both sides edge kickup of steel band, hemming rolling device (2) are used for pressing the steel band to make the both sides edge of steel band further kickup, it folds to the centre to fold roll-in device (3) are used for pressing the both sides edge of steel band, it goes into in two opposite side draw-in grooves (311) and counterpoints and fold gradually in order to counterpoint the both sides edge of steel band respectively to roll-in device (4) are used for pressing the steel band to make the both sides edge of steel band, fold welding set (5) and be used for folding the both sides edge of steel band and weld in order to form the steel pipe after the butt joint.

2. The universal automated pipe maker of claim 1, wherein: fold roll-in device (3) still including folding frame (34), horizontal upper roll axle (35), horizontal lower roll axle (36), upper roll axle elevating system (37) and edger roll installation mechanism (38), second horizontal upper roll (31) suit is outside horizontal upper roll axle (35), second horizontal lower roll (32) suit is outside horizontal lower roll axle (36), it sets up to two and connects and supports respectively in the both ends of horizontal upper roll axle (35) and horizontal lower roll axle (36) to fold frame (34), upper roll axle elevating system (37) are connected and can drive horizontal upper roll axle (35) and go up and down with horizontal upper roll axle (35), edger roll installation mechanism (38) are fixed in and fold frame (34), install in edger roll installation mechanism (38) cambered surface edger roll (33).

3. The universal automated pipe maker of claim 1, wherein: the second horizontal upper roller (31) comprises a left half roller (312) and a right half roller (313), the left half roller (312) and the right half roller (313) are respectively provided with opposite side clamping grooves (311), the opposite side clamping grooves (311) of the left half roller (312) and the right half roller (313) are symmetrically arranged, and the folding rolling devices (3) are arranged into multiple groups and are sequentially arranged.

4. The universal automated pipe maker of claim 1, wherein: hemming roller device (2) include roller (21), third level lower roll (22) and inclined plane edger roll (23) on the third level, roller (21) and third level lower roll (22) relative up-down set up on the third level, the middle part of roller (21) is protruding type on the third level, the middle part of roller (22) is concave type on the third level lower roll (22), inclined plane edger roll (23) set up relatively to two and lie in the both sides of roller (21) on the third level respectively, the global slope that inclined plane edger roll (23) is the slope setting.

5. The universal automated pipe maker of claim 1, wherein: opposite side roll press device (4) all is the arc of indent including the fourth level that is the annular arrangement goes up roller (41), fourth level lower roller (42) and two second cambered surface edgers (43), the middle part that roller (41), fourth level lower roller (42) and second cambered surface edgers (43) are gone up in the fourth level, roller (41) are gone up including fourth level left half roller (411), fourth level right half roller (412) and bulge loop (413) in the fourth level, fourth level left half roller (411) and fourth level right half roller (412) are the symmetry setting, bulge loop (413) are located between fourth level left half roller (411) and the fourth level right half roller (412), the diameter of bulge loop (413) is greater than the diameter of adjacent edge fourth level left half roller (411) and fourth level right half roller (412) edge position.

6. The universal automatic pipe maker according to any one of claims 1 to 5, wherein: the folding welding device (5) comprises a housing window seat (51), an upper pressing frame (52), an upper pressing roller (53), a left pressing frame (54), a left pressing roller (55), a right pressing frame (56), a right pressing roller (57), a bottom bracket (58) and a bottom bracket roller (59) which are all arranged on the housing window seat (51), the upper compression roller (53), the left compression roller (55), the bottom support roller (59) and the right compression roller (57) are arranged in an annular shape, the upper pressing roller (53) is rotatably arranged on the upper pressing frame (52), the left pressing roller (55) is rotatably arranged on the left pressing frame (54), the right pressing roller (57) is rotatably arranged on the right pressing frame (56), the bottom supporting roller (59) is rotatably arranged on the bottom bracket (58), the upper pressing frame (52) is provided with a cooling water interface (521), a cooling water channel (531) is arranged in the upper pressing roller (53), and the cooling water interface (521) is communicated with the cooling water channel (531).

7. The universal automated pipe maker of claim 6, wherein: the upper pressing frame (52) comprises an upper pressing roller bracket (522), a pin shaft (523), a double bearing (524), a rotary joint (525) and a thin-wall metal pipe (526), the outer side of the double bearing (524) is fixedly connected with the upper pressing roller bracket (522), the pin shaft (523) penetrates through the double bearing (524) and is fixedly connected with the inner side of the double bearing (524), a through hole (5231) penetrating through the pin shaft (523) is formed in the pin shaft (523), one end of the rotary joint (525) is fixedly connected with one end of the through hole (5231), the other end of the rotary joint (525) is a cooling water interface (521), the other end of the through hole (5231) is connected with a cooling water channel (531), the pin shaft (523), the double bearing (524) and the rotary joint (525) are respectively provided with two and are symmetrically connected to two sides of the upper pressing roller (53), and the thin-wall metal pipe (526) penetrates through the through hole (5231) and the cooling water channel (531), two ends of the thin-wall metal pipe (526) are respectively connected with two rotary joints (525).

8. The universal automatic pipe making machine according to claim 6, wherein the left press frame (54) comprises a fixed base (540), a second fixed block (541), a second sliding block (542), a left press roller bracket box (543), a left press roller bracket (544), a left and right adjusting screw (545), an up and down adjusting screw (546) and a left press roller shaft (547), the fixed base (540) and the second fixed block (541) are fixed on the housing frame base (51), the second sliding block (542) is vertically slidably connected with the second fixed block (541), the up and down adjusting screw (546) penetrates through the fixed base (540) and is in threaded fit with the fixed base (540), one end of the up and down adjusting screw (546) is rotatably connected with the second sliding block (542), the left press roller bracket (543) is fixedly connected with the second sliding block (542), the left press roller bracket (544) is horizontally slidably connected with the left press roller bracket box (543), the left compression roller shaft (547) is rotatably installed at one end of the left compression roller bracket (544), the left compression roller (55) is sleeved outside the left compression roller shaft (547) and fixedly connected with the left compression roller shaft (547), the left and right adjusting screw rods (545) penetrate through one side of the left compression roller bracket box (543) and are rotatably connected with the left compression roller bracket box (543), and one end of the left and right adjusting screw rods (545) is sleeved in the other end of the left compression roller bracket (544) and is in threaded fit with the left compression roller bracket (544).

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