CN207414047U - A kind of unwinding device and rolling machine - Google Patents

Abstract

The utility model discloses a kind of unwinding device and rolling machines, including fixed frame and on fixed frame and rotate the rotating cylinder set, the rotating cylinder includes rotation pipe and is placed in the fagging of surrounding in rotation pipe, connecting rod is set between fagging and rotation pipe, and the both ends of connecting rod are hinged respectively at rotation pipe and fagging, and adjusting screw rod is worn in rotation axis, adjusting screw rod one end is provided with to control to adjust the adjusting mechanism of pole length, the other end is provided with conflict disk, contradicts disk and is contradicted with rotation pipe.When steel band unreels, fagging can be opened, so as to make steel band more stable when unreeling, so that raw material input during steel pipe's production is more stable, and then quality is relatively preferable in pipe crimping.

Description

A kind of unwinding device and rolling machine

Technical field

The utility model is related to steel pipe's production equipment, more particularly to a kind of unwinding device and rolling machine.

Background technology

Steel pipe, welded still pipe are to be welded by being rolled into tubular steel plate with opposite joint or spiral seam, in manufacturing method, again It is divided into low-pressure fluid conveying welded still pipe, spiral seam electric welded steel pipe, direct roll-welding steel pipe, electrically welded tube etc..Seamless steel pipe can use In the liquid air-pressure duct of various industries and gas pipeline etc..Welded pipe line can be used for aqueduct, gas piping, steam heating pipe Road, electric appliance pipeline etc..

It being processed in the welding process of steel pipes with straight, it is necessary to use rolling machine, traditional pipe crimping is to include rack, three What root was mutually parallel is rotatably connected on the driving device of the roller and driving wherein at least one roller turn in rack, this Kind rolling machine is complicated, and adjusting difficulty is big, and the adjusting of the distance between roller and roller will directly influence pipe crimping quality.

Utility model content

One of the purpose of this utility model is to provide a kind of unwinding device, is mainly used for rolling machine steel band and unreels, and allows steel Band unreels stabilization, so as to improve the quality of pipe crimping, makes rolling machine simple in structure.

The above-mentioned technical purpose of the utility model technical scheme is that：

A kind of unwinding device including fixed frame and on fixed frame and rotates the rotating cylinder set, the rotating cylinder bag It includes rotation pipe and is placed in the fagging of surrounding in rotation pipe, connecting rod, and the both ends difference of connecting rod are set between fagging and rotation pipe It is hinged in rotation pipe and fagging, adjusting screw rod is worn in rotation axis, adjusting screw rod one end is provided with to control adjusting rod long The adjusting mechanism of degree, the other end are provided with conflict disk, contradict disk and are contradicted with rotation pipe.

By using above-mentioned technical proposal, when steel band unreels, fagging can be opened, during so as to which steel band being allowed to unreel More stable, so that raw material input during steel pipe's production is more stable, and then quality is relatively preferable in pipe crimping.

The utility model is further arranged to：The fixed frame includes fixed plate and the rotation in fixed plate Axis, rotation axis is into hollow setting, and rotation pipe is arranged on the rotating shaft.

By using above-mentioned technical proposal, the setting of rotation axis can allow rotation pipe that can be rotated on its surface, empty The rotation axis of heart house can facilitate passing through for adjusting screw rod.

The utility model is further arranged to：The angle formed between the connecting rod and rotation pipe is at an acute angle.

By using above-mentioned technical proposal, the setting of acute angle can allow adjusting screw rod can be by fagging when pulling rotation pipe It expands outwardly.

The utility model is further arranged to：The adjusting mechanism includes driving gear, driven gear and driving actively The driving motor that gear rotates is provided with erecting bed away from the one side of rotation axis in fixed plate, through hole is provided on erecting bed, leads to Hole is connected with rotation axis, and adjusting screw rod is threaded through in the through hole of erecting bed, and the driven gear is threadedly coupled with adjusting screw rod.

By using above-mentioned technical proposal, driving motor driving driving gear rotation allows it to drive driven gear, Jin Erneng Adjusting screw rod is enough pulled, realizes the purpose that fagging is opened and retracted.

The utility model is further arranged to：Confinement block on the adjusting screw rod is set, limiting groove is set in through hole, it is described Confinement block limits the rotation of adjusting screw rod.

By using above-mentioned technical proposal, the cooperation of confinement block and limiting groove allows adjusting screw rod to be merely able to slide and can not turn It is dynamic.

The two of the purpose of this utility model are to provide a kind of rolling machine, are mainly used for rolling machine steel band and unreel, and allow steel band Stabilization is unreeled, so as to improve the quality of pipe crimping, makes rolling machine simple in structure.

A kind of rolling machine, including described above for unreeling the unwinding device of steel band, pre- for steel band to be crimped Winding apparatus and the welder that the steel band of curling be welded into steel pipe, the welder include coiled body, will be pre- The steel plate of winding apparatus connect drawing, and is curled into pipe；Welding mechanism welds the gap being curled between pipe, forms steel pipe； Steel pipe is carried out full circle by reshaping device.

By using above-mentioned technical proposal, unwinding device releases steel band, is bent by pre- winding apparatus, make its pre- into Then type is molded welding by welder and forms steel pipe, so as to allow the weld seam of welding fabrication than more uniform, quality is high, It adjusts simple.

The coiled body includes the first crimping roller and the second crimping roller, first crimping roller and the second crimping roller it Between form circular channel, the welding mechanism includes welding gun, and the reshaping device includes the first shaping roller and the second shaping roller, First shaping roller is identical with the first crimping roller and the second crimping roller structure respectively with the second shaping roll structure.

It, will passing through welder by two crimping rollers by curved steel pipe forming by using above-mentioned technical proposal Weld seam existing for the steel pipe of its cans is welded, and forms complete steel pipe, finally, by the setting of shaping roller, allows it Circularity is higher.

The utility model is further arranged to：Between the coiled body and pre- winding apparatus, welding mechanism and coiled body Between and reshaping device and cutter device between be both provided with lead ring.

By using above-mentioned technical proposal, the setting of lead ring can allow steel pipe into welder and from welder It is more stable inside it during the entire process of going out.

Description of the drawings

Fig. 1 is the structure chart of the present embodiment entirety；

Fig. 2 is unwinding device structure chart；

Fig. 3 is unwinding device sectional view；

Fig. 4 is pre-roll structure drawing of device；

Fig. 5 is pre- winding apparatus sectional structure chart；

Fig. 6 is welder structure chart；

Fig. 7 is welder sectional view；

Fig. 8 is coiled body structure chart；

Fig. 9 is cooling device structure chart；

Figure 10 is the connection structure diagram between draft gear and cutter device；

Figure 11 is the structure chart between full circle mechanism and cutter device.

In figure：01st, steel band；02nd, steel pipe；

1st, unwinding device；11st, fixed frame；111st, fixed plate；112nd, rotation axis；113rd, adjusting screw rod；114th, disk is contradicted； 115th, confinement block；12nd, rotating cylinder；121st, rotation pipe；122nd, fagging；13rd, connecting rod；14th, adjusting mechanism；141st, driving gear；142、 Driven gear；143rd, driving motor；15th, erecting bed；151st, through hole；152nd, limiting groove；

2nd, pre- winding apparatus；21st, mounting bracket；22nd, the first guide plate；23rd, the second guide plate；24th, the first adjusting mechanism；241、 Connecting rod；242nd, adjusting bracket；243rd, adjustable plate；244th, sliding shoe；245th, sliding slot；246th, adjusting rod；247th, fixed block；25th, Two adjusting mechanisms；251st, fixing piece；252nd, threaded rod；253rd, locking nut；26th, adjustment mechanism；261st, adjustment frame；262nd, adjust Plate；263rd, limitation protrusion；264th, screw rod is rotated；

3rd, welder；31st, coiled body；311st, the first crimping roller；312nd, the second crimping roller；313rd, circular channel；32、 Welding mechanism；321st, welding gun；322nd, vertical stand；323rd, vertical adjusting block；324th, vertical screw rod；325th, level frame；326th, it is horizontal Adjusting block；327th, horizontal screw bolt；33rd, reshaping device；331st, the first shaping roller；332nd, the second shaping roller；34th, frame plate；341st, adjust Save slot；342nd, adjusting slider；343rd, screw is adjusted；35th, lead ring；

4th, cooling device；41st, cooling water pipe；42nd, tap；43rd, pond；

5th, draft gear；51st, upper leash；52nd, lower leash；53rd, passage is drawn；

6th, cutter device；61st, track is cut；62nd, cutting machine；621st, cutting arm；63rd, sliding panel；631st, gag lever post；64、 Clamp assembly；65th, the first clamping member；66th, the second clamping piece；

7th, full circle mechanism；71st, full circle roller；72nd, full circle frame；73rd, upper pull-up structure；74th, pull-down structure；75th, sliding block is adjusted； 76th, pull rod.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

A kind of rolling machine, as shown in Figure 1, being used for steel band 01（Or steel plate）Steel pipe 02 is curled into, including for pacifying Put steel band 01 unwinding device 1, for steel band 01 is crimped pre- winding apparatus 2, for the steel pipe crimped 02 to be welded Welder 3 and the cutter device 6 that cuts entire steel pipe 02.

Wherein, as shown in Figures 2 and 3, unwinding device 1 including fixed frame 11 and on fixed frame 11 and rotates The rotating cylinder 12 of setting.Rotating cylinder 12 includes rotation pipe 121 and is placed in the fagging 122 of surrounding in rotation pipe 121, and fagging 122 is with turning Connecting rod 13 is set between dynamic pipe 121, and the both ends of connecting rod 13 are hinged respectively at rotation pipe 121 and fagging 122.Fixed frame 11 wraps Fixed plate 111 and the rotation axis 112 in fixed plate 111 are included, rotation axis 112 is into hollow setting, and by rotation pipe 121 are set in rotation axis 112, it can be rotated in rotation axis 112.Adjusting screw rod 113 is worn in rotation axis 112, 113 one end of adjusting screw rod is provided with to control to adjust the adjusting mechanism for the length that screw rod 113 extends to 121 one end of rotation pipe 14, the other end, which is provided with, contradicts disk 114, contradicts disk 114 and is contradicted with rotation pipe 121.In order to allow adjusting screw rod 113 in rotation axis Fagging 122 can be strutted after 112 length reduction with contradicting 114 one end of disk, allow what is formed between connecting rod 13 and rotation pipe 121 Angle is at an acute angle, when adjusting screw rod 113 is retracted, angle increase, and then fagging 122 is opened, and coil of strip is propped up.

As shown in Figures 2 and 3, adjusting mechanism 14 includes driving gear 141, driven gear 142 and driving driving gear 141 driving motors 143 rotated.The one side of rotation axis 112 is provided with erecting bed 15 in fixed plate 111, on erecting bed 15 Through hole 151 is provided with, through hole 151 is connected with rotation axis 112, and adjusting screw rod 113 is threaded through in the through hole 151 of erecting bed 15. It opens up jagged, driven gear 142 is placed in notch, adjusting screw rod 113 is threaded through driven gear 142 on erecting bed 15 Center and driven gear 142 is threadedly coupled with adjusting screw rod 113 by the rotation of driven gear 142, reaches to allow and adjusts spiral shell The purpose that bar 113 is moved back and forth.In this process, adjusting screw rod 113 rotates in order to prevent, is set on adjusting screw rod 113 Put confinement block 115.Limiting groove 152 is set in through hole 151, and by the setting of limiting groove 152 and confinement block 115, limitation is adjusted The rotation of screw rod 113, so as to when the rotation of driven gear 142, adjusting screw rod 113 be allowed to move axially.Separately Outside, driving motor 143 is fixed on erecting bed 15, driving gear 141 is directly installed on driving motor 143, pass through drive Dynamic motor 143 drives its rotation, and driving gear 141 is allowed to be engaged with driven gear 142.In driving gear 141 and driving electricity Gearbox can also be set between machine 143.

As shown in Figure 4 and Figure 5, pre- winding apparatus 2 includes mounting bracket 21 and is separately mounted to the first of 21 both sides of mounting bracket The plate face of 22 and second guide plate 23 of guide plate, the plate face of the first guide plate 22 and the second guide plate 23 is oppositely arranged, mounting bracket 21 are placed in the horizontal down of the first guide plate 22 and the second guide plate 23, will be put by the first guide plate 22 and the second guide plate 23 The steel band 01 that winding apparatus 1 is released carries out bending curling.It is oriented in the position that the first guide plate 22 is connected with installing plate and second The position that plate 23 is connected with installing plate is both provided with the first adjusting mechanism 24, adjusts first respectively by the first adjusting mechanism 24 and leads To position of 22 and second guide plate 23 of plate on mounting bracket 21.In order to allow the two of the first guide plate 22 and the second guide plate 23 End position can be adjusted, and reach and steel band 01 tentatively can be rolled up for the first guide plate 22 and the second guide plate 23 Song is respectively provided with the first adjusting mechanism 24 at the both ends at the both ends of the first guide plate 22 and the second guide plate 23, so as to allow steel Band 01 is brought into fashionable wider, by the gap shrinks between the first guide plate 22 and the second guide plate 23, reaches preliminary curling Purpose.

As shown in Figure 4 and Figure 5, the first adjusting mechanism 24 is included on the first guide plate 22 or the second guide plate 23 Connecting rod 241 and the adjusting bracket 242 that is placed on mounting bracket 21, the position of connecting rod 241 is adjusted by adjusting bracket 242, from And achieve the purpose that the position for adjusting the first guide plate 22.Adjusting bracket 242 includes adjustable plate 243 and mounted on adjustable plate 243 On sliding shoe 244, adjustable plate 243 fixed by bolt and mounting bracket 21.Sliding slot 245 is offered on adjustable plate 243, is slided Block 244 is slided along sliding slot 245.Adjusting rod 246 is installed on adjustable plate 243, adjusting rod 246 is rotatablely connected with adjustable plate 243, Adjusting rod 246 is threadedly coupled with sliding shoe 244, and connecting rod 241 is mounted on sliding shoe 244.The two of adjustable plate 243 End（The both ends for opening up direction of sliding slot 245）Two fixed blocks 247 are respectively arranged with, by two fixed blocks 247 by adjusting rod 246 It is fixed, and is installed in by bearing on adjustable plate 243, adjusting rod 246 is facilitated to rotate.

As shown in Figure 4 and Figure 5, after two guide plate bottom positions have adjusted, its horizontal top position is provided with second Adjusting mechanism 25 adjusts the position above its level, allows two guide plates（First guide plate 22 and the second guide plate 23）In level The spacing for being smaller than horizontal down of side, and the spacing of 01 upstream end of steel band is more than the spacing that steel band 01 is spread out of, and allows steel band 01 can walk unhurriedly bending, carry out preforming.Second adjusting mechanism 25 includes being separately mounted to the first guide plate 22 and second lead Fixing piece 251 on plate 23 wears threaded rod 252 between two fixing pieces 251, several lockings is arranged on threaded rod 252 Nut 253, locking nut 253 are located at 251 both ends of fixing piece, fixing piece 251 are locked, passes through locking nut 253 respectively With the locking of the position of threaded rod 252, fixing piece 251 is fixed, it can be stablized, and between two guide plates of adjustment Spacing.

Steel band 01 enters back into welder 3 after being bent, as shown in figure 5, entering welder in steel band 01 It is provided with to adjust the adjustment mechanism 26 of 01 in-position of steel band before 3.Adjustment mechanism 26 is led including being separately mounted to first Adjustment frame 261 on 22 and second guide plate 23 of plate, is both provided with adjustment plate 262, in adjustment plate in each adjustment frame 261 Restricted raised 263 are installed on 262, limitation protrusion 263 is arranged to cylindrical structure, and it is mounted on by axis in adjustment plate 262, And it limits protrusion 263 and rotates setting, steel plate edge can be allowed to be contacted with its foreign aid, so as to reach limitation steel plate position Purpose.It is provided in adjustment plate 262 and rotates screw rod 264, rotated screw rod 264 and be threadedly coupled with adjustment frame 261, tune can be pulled Whole plate 262 is slided, and then realizes the purpose of 01 position of adjustment steel band.

As shown in Figure 6 and Figure 7, welder 3 includes coiled body 31, welding mechanism 32 and reshaping device 33, in steel Band 01 enters successively by coiled body 31, welding mechanism 32 and reshaping device 33 after welder 3, by preforming steel band 01 is molded into steel pipe 02.Wherein, curved steel band 01 is crimped into cylindrical structure by coiled body 31 into one, then passes through weldering Connection mechanism 32 welds vertical masonry joint, forms circular tube structure, by reshaping device 33, steel pipe 02 is allowed to become more mellow and fuller.

As shown in figure 8, coiled body 31 includes the first crimping roller 311 and the second crimping roller 312, the first crimping roller 311 It is all provided with being set to from centre to both ends diameter gradually increased structure, and the first crimping roller 311 and volume Two with the second crimping roller 312 Curved roll 312 cooperates, and allows and circular channel 313 is formed between the first crimping roller 311 and the second crimping roller 312, so as in steel pipe 02 curved semi-finished product by when, it is allowed to be curled into cylindrical-shaped structure, and seaming position is squeezed, it is allowed to carry out pair It connects.As shown in Figure 6 and Figure 7, the both sides of coiled body 31 are provided with frame plate 34, and regulating tank 341 is offered on frame plate 34, are adjusting It saves and adjusting slider 342 is set in slot 341, adjusting slider 342 is slided along regulating tank 341, and adjusting screw is worn in regulating tank 341 343, by rotating adjusting screw 343 adjusting slider 342 is allowed to be slided along regulating tank 341.Adjusting screw 343 can be with 34 spiral shell of frame plate Line connects, and is rotatablely connected at this time with adjusting slider 342.The same screw 343 that adjusts can also connect with 342 screw thread of adjusting slider It connects, at this point, it is rotatablely connected with frame plate 34, the mode of rotation connection is generally fixed using bearing.By the first crimping roller 311 On adjusting slider 342, regulating tank 341, adjusting screw 343 are arranged in pairs with adjusting slider 342.

Wherein, as shown in Figure 6 and Figure 7, welding mechanism 32 includes welding gun 321, is fixed on the horizontal top of 02 weld seam of steel pipe, When steel pipe 02 passes through, it is welded.After welding gun 321 welds, 02 position while welding welding structure of steel pipe is relatively rough, And steel pipe 02 can influence its circularity during welding, and therefore, it is necessary to carry out shaping using reshaping device 33.Reshaping device 33 include the first shaping roller 331 and the second shaping roller 332, the first shaping roller 331 and 332 structure of the second shaping roller and the first volume 311 and second crimping roller of curved roll, 312 identical setting, and the first shaping roller 331 of reshaping device 33 and the second shaping roller 332 are pacified Assembling structure is identical with coiled body 31.

During welding, can sometimes there are problems that deviation occurs in weld seam, therefore, as shown in Figure 6 and Figure 7, if Adjustment structure is put, adjustment structure includes fixed setting（It is fixed on frame plate 34）Vertical stand 322, it is internal that vertical adjust is set Block 323, and by the way that vertical screw rod 324 is set to be threadedly coupled with vertical adjusting block 323, it is allowed to carry out vertical shift, adjusts weldering The height of rifle 321 opens up level frame 325 on vertical adjusting block 323, and horizontal adjustment block 326 is set in level frame 325, leads to It crosses horizontal screw bolt 327 to be threaded through on level frame 325, it is allowed to be threadedly coupled with horizontal block, adjust its horizontal level, realize adjustment weldering The integral position of rifle 321.

As shown in fig. 7, it enters coiled body 31 in steel pipe 02 and lead ring is set from the position that coiled body 31 comes out 35, it makes steel pipe 02 more stable in transmission process, lead ring 35 is equally similarly set in 33 outlet port of reshaping device.

Steel pipe 02 from 3 position of welder is pulled out for convenience, as shown in Fig. 1 and Figure 10, is set after welder 3 There is draft gear 5.Draft gear 5 includes upper leash 51 and lower leash 52, and upper leash 51 and lower leash 52 are matched somebody with somebody Close and form traction passage 53, by steel pipe 02 through traction passage 53, and allow leash 51 and lower leash 52 to its into Row squeezes, so as to fulfill the traction to steel pipe 02.

When draft gear 5 is drawn, due to the steel pipe 02 that has just been pulled out from welder 3 its by welding, can allow its table Face is relatively scalded, therefore, in order to allow it that can will not cause the scald of staff after pulling out, as shown in figure 9, being filled in welding Cooling device 4 is set after putting 3, cooling device 4 includes cooling water pipe 41 and tap 42, tap 42 is aligned steel pipe 02, So as to when it passes through, water be released, cooled down.Water will not be allowed to flow out during in order to be allowed to cool, in 02 horizontal down of steel pipe Pond 43 is set, water after cooling is collected, water will not be allowed to make ground dirty.

As shown in Figure 10 and Figure 11, after draft gear 5 pulls out steel pipe 02, in order to allow steel pipe 02 can conveniently most Stacking afterwards is, it is necessary to be intercepted.But during machine travel is drawn, due to its clamping to steel pipe 02, steel pipe 02 is allowed Part is squeezed, and is susceptible to rough situation, therefore, goes out dragger position in steel pipe 02 and similary set is set to carry out The full circle mechanism 7 of shaping.Full circle mechanism 7 include two full circle rollers 71, full circle frame 72 and be respectively used to adjustment two full circle rollers 71 it Between the upper pull-up structure 73 of spacing and pull-down structure 74.Wherein, full circle roller 71 and shaping roller（First shaping roller 331 and the second shaping Roller 332）Structure is identical.It is identical with pull-down structure 74 to pull up junction structure, is all provided with being set to adjustment sliding block 75 and pull rod 76, by full circle Roller 71 is separately mounted on adjustment sliding block 75, and adjustment sliding block 75 pulls it to be slided along full circle frame 72 by pull rod 76, and Pull rod 76 is arranged to screw rod, is threadedly coupled with full circle frame 72, is rotatablely connected with full circle sliding block by bearing.

As shown in Figure 10 and Figure 11, the cutter device 6 that steel pipe 02 is cut is set after draft gear 5.Cutting dress Putting 6 includes cutting track 61 and the cutting machine 62 on cutting track 61, and steel pipe 02 is cut by cutting machine 62 It cuts.During cutting, due to steel pipe 02 be in the movement that goes ahead, if directly cutting the notch of pipeline can be allowed to exist Starting and end are difficult to overlap, and so as to which cutting be allowed to be difficult to complete, therefore need to stop dragger during general cutting, and lead After drawing machine stopping, the welding of welding position can be affected, and the quality so as to allow entire steel pipe 02 is affected.Therefore, in order to Above-mentioned technical problem is solved, sliding panel 63 is set on cutting track 61, sliding panel 63 is allowed to be slided along cutting track 61, and And cutting machine 62 is mounted on sliding panel 63, at this point, during cutting, cutting machine 62 can follow sliding panel 63 to move, so as to allow cunning The sliding speed identical with 02 use of steel pipe of movable plate 63, and then the starting of the cutting of steel pipe 02 and terminal position is allowed to overlap, Jin Errang Its cutting is more smooth, and allows it that can facilitate cutting.

As shown in Figure 10 and Figure 11, two gag lever posts 631 are provided on sliding panel 63, steel pipe 02 passes through two gag lever posts 631 Between gap, by gag lever post 631 allow steel pipe 02 cutting when it is more stable.In addition, more stablize during cutting to allow, Clamp assembly 64 on sliding panel 63 is installed, is clamped steel pipe 02 by clamp assembly 64, so as to more stablize in cutting. Clamp assembly 64 includes the first clamping member 65 being mounted on gag lever post 631 and the second clamping piece on cutting machine 62 66, cutting machine 62 include cutting arm 621, the second clamping piece 66 be mounted on cutting arm 621 on, and when cutting machine 62 to steel pipe 02 into During row cutting, the second clamping piece 66 fixes 02 obvolvent of steel pipe with the first clamping member 65, and sliding panel 63 is promoted to slide.

This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but As long as it is all protected in the right of the utility model be subject to Patent Law.

Claims (8)

1. a kind of unwinding device, it is characterized in that：Including fixed frame（11）And mounted on fixed frame（11）What upper and rotation was set Rotating cylinder（12）, the rotating cylinder（12）Including rotation pipe（121）And it is placed in rotation pipe（121）The fagging of upper surrounding（122）, fagging （122）With rotation pipe（121）Between connecting rod is set（13）, and connecting rod（13）Both ends respectively with rotation pipe（121）And fagging （122）It is hinged, rotation axis（112）Inside wear adjusting screw rod（113）, adjusting screw rod（113）One end is provided with to control to adjust Bar（246）The adjusting mechanism of length（14）, the other end is provided with conflict disk（114）, contradict disk（114）With rotation pipe（121）It supports It touches.

2. unwinding device according to claim 1, it is characterized in that：The fixed frame（11）Including fixed plate（111）And Mounted on fixed plate（111）On rotation axis（112）, rotation axis（112）Into hollow setting, and rotation pipe（121）It is set in and turns Moving axis（112）On.

3. unwinding device according to claim 2, it is characterized in that：The connecting rod（13）With rotation pipe（121）Between formed Angle it is at an acute angle.

4. unwinding device according to claim 1, it is characterized in that：The adjusting mechanism（14）Including driving gear（141）、 Driven gear（142）And driving driving gear（141）The driving motor of rotation（143）, in fixed plate（111）Away from rotation axis （112）One side be provided with erecting bed（15）, erecting bed（15）On be provided with through hole（151）, through hole（151）With rotation axis （112）Connection, and adjusting screw rod（113）It is threaded through erecting bed（15）Through hole（151）It is interior, the driven gear（142）With tune Save screw rod（113）It is threadedly coupled.

5. unwinding device according to claim 4, it is characterized in that：The adjusting screw rod（113）Upper setting confinement block （115）, through hole（151）Interior setting limiting groove（152）, the confinement block（115）Limit adjusting screw rod（113）Rotation.

6. a kind of rolling machine, it is characterized in that：Including unreeling steel band as described in claim 1-5 any one（01）Put Winding apparatus（1）, for by steel band（01）The pre- winding apparatus being crimped（2）And the steel band by curling（01）It carries out being welded into steel Pipe（02）Welder（3）, the welder（3）Including coiled body（31）, by pre- winding apparatus（2）Steel plate connect Draw, be curled into pipe；Welding mechanism（32）, the gap being curled between pipe is welded, forms steel pipe（02）；Reshaping device （33）, by steel pipe（02）Carry out full circle.

7. rolling machine according to claim 6, it is characterized in that：The coiled body（31）Including the first crimping roller（311） And second crimping roller（312）, first crimping roller（311）With the second crimping roller（312）Between form circular channel （313）, the welding mechanism（32）Including welding gun（321）, the reshaping device（33）Including the first shaping roller（331）And the Two shaping rollers（332）, first shaping roller（331）With the second shaping roller（332）Structure respectively with the first crimping roller（311）With And second crimping roller（312）Structure is identical.

8. rolling machine according to claim 6, it is characterized in that：The coiled body（31）With pre- winding apparatus（2）Between, weldering Connection mechanism（32）With coiled body（31）Between and reshaping device（33）With cutter device（6）Between be both provided with lead ring （35）.