CN103264074A - Four-roller plate bending machine and method for rolling circular tubes - Google Patents
Four-roller plate bending machine and method for rolling circular tubes Download PDFInfo
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- CN103264074A CN103264074A CN2013101452406A CN201310145240A CN103264074A CN 103264074 A CN103264074 A CN 103264074A CN 2013101452406 A CN2013101452406 A CN 2013101452406A CN 201310145240 A CN201310145240 A CN 201310145240A CN 103264074 A CN103264074 A CN 103264074A
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Abstract
The invention provides a four-roller plate bending machine. Side rollers of the four-roller plate bending machine can vertically translate along oblique directions and cannot be bent, and steel plates can be rolled circularly by the four-roller plate bending machine. The four-roller plate bending machine comprises an upper roller, a lower roller and the side rollers; the side rollers are rotationally arranged on side roller bearing blocks and are connected with side roller rotation driving mechanisms; the side roller bearing blocks are slidably arranged on a framework along the oblique directions and are connected with side roller oblique movement driving mechanisms; each side carrier roller device comprises a pair of side roller supporting rollers, and the pair of side roller supporting rollers is in contact with the peripheral surface of the corresponding side roller and is rotationally arranged on side roller supporting roller beams; and side roller supporting roller beam driving devices capable of driving the side roller supporting roller beams to swing around axes of the side rollers are arranged among the side roller bearing blocks and the side roller supporting roller beams. The invention further provides a method for rolling circular tubes by the aid of the four-roller plate bending machine. The method includes rolling an arc on one side of a plate at first, and enabling the upper end of the arc to be in contact with a part, which is positioned on the upper portion of the upper roller, of the framework so that the arc can elastically deform; and then rolling a remaining arc on the opposite side of the plate. The length of the first arc is 4/7-3/5 of the circumference of a circular tube to be rolled.
Description
Technical field
Present technique relates to a kind of the veneer reeling machine of sheet metal volume circle and the method that rolls pipe, relates in particular to a kind of coil sheet to be made the four-roll plate bending machine of overlength minor diameter pipe and the method that rolls overlength minor diameter pipe.
Background technology
Existing light wall pipe ratio-frequency welding pipeline adopts the pass forming process, and every kind of caliber all needs the mould fixed, needs tens kinds of moulds from the shaping of diameter of phi 90 to Φ 800, spends a large amount of funds and a large amount of mould replacing times.Because diameter is less and length reaches more than ten meters, can't roll with the veneer reeling machine of routine.So directly rolling the long thin plate of different-diameter with veneer reeling machine is the problem that needs solution at present.
Existing four-roll plate bending machine comprises top roll, the lower roll that is parallel to each other, two side rollers that are positioned at the lower roll both sides, and lower roll rotates to be arranged on the frame and with the lower roll transmission mechanism that drives its rotation and links to each other; Top roll links to each other with the top roll elevating mechanism that drives its oscilaltion; Lower roll transmission mechanism, top roll elevating mechanism all are arranged on the frame; The side roller rotates and is arranged on the frame, and the side roller links to each other with the side roller rotating drive mechanism that drives the rotation of side roller.Its side roller can not when rolling, generally can only be made the bigger arc sheet material of bending radius to roll of steel plate like this with respect to the lower roll translation, is difficult to roll into tubular, more is difficult to finish the less and pipe that length is long of diameter and rolls.
Summary of the invention
The purpose of present technique provide a kind of side roller can along incline direction upper and lower translation and side roller can be not crooked, can make circular four-roll plate bending machine to roll of steel plate, it is particularly useful for rolling of longer minor diameter pipe.
This four-roll plate bending machine comprises top roll, the lower roll that is parallel to each other, two side rollers that are positioned at the lower roll both sides, and lower roll rotates to be arranged on the frame and with the lower roll transmission mechanism that drives its rotation and links to each other; Top roll links to each other with the top roll elevating mechanism that drives its oscilaltion; Lower roll transmission mechanism, top roll elevating mechanism all are arranged on the frame; The side roller rotates and is arranged on the side roll bearing seat, and the side roller links to each other with the side roller rotating drive mechanism that drives the rotation of side roller; The side roll bearing seat is slidingly arranged on the frame along incline direction, the side roll bearing seat with drive side roller that the side roll bearing seat slides with respect to the frame mobile driving mechanism that tilts and link to each other; That the side support roller device comprises is that outer peripheral face a pair of and the side roller contacts, rotate the side roller backing roll that is arranged on the side roller backing roll beam; Between side roll bearing seat and side roller backing roll beam, be provided with and drive side roller backing roll beam around the side roller backing roll beam drive unit of side roll axis swing.
The beneficial effect of present technique: drive the side roll bearing seat and move with respect to rack inclining by tilt mobile driving mechanism of side roller, that is to say, the side roller can move along incline direction with respect to lower roll, like this, the side roller can carry out spacing, support to the sheet material between top roll, lower roll, and the side roller can the change position guarantees that the side roller can be rolled sheet material with quilt all the time and contact along with the radian size of the sheet material that is rolled, and so just is easy to roll of steel plate is made pipe.
When the side roller changed the position, side roller periphery and sheet material position contacting can change.If sheet material and side roller position contacting and side roller backing roll be not on (being positioned at side roller both sides) same plane the time, the power of sheet material offside roller can't obtain balance, and the side roller will be crooked like this.If side roller length is more long, bending will be more serious.So just be difficult to roll the long pipe of length.But because present technique has side roller backing roll beam drive unit, driving side roller backing roll by side roller backing roll beam drive unit swings around the side roll axis, like this, when the contact position of sheet material and side roller changes, the contact position of side roller backing roll and side roller also changes, make side roller backing roll be positioned at the same plane of side roller both sides all the time with the contact position of sheet material and side roller, carry out balance by the power of side roller backing roll and sheet material offside roller like this, guaranteed that the side roller can be not crooked.Like this, present technique just is particularly suitable for rolling of oval pipe.
In order to guarantee that side roller backing roll is when the side roll axis is swung, the outer peripheral face that can not break away from the side roller, above-mentioned four-roll plate bending machine, the side roll bearing seat is provided with the deep-slotted chip breaker centered by the axis of side roller, and the arc skateboard that is slidingly arranged in the deep-slotted chip breaker is fixed on the side roller backing roll beam.
In order to guarantee that further the side roller can be not crooked, especially the long side roller that is suitable for rolling than long pipe can be crooked, above-mentioned four-roll plate bending machine, side support roller device have more than three, and each the offside roller backing roll in each side support roller device is along the axially-aligned of side roller; The two ends of side roller are rotated and are arranged on two side roll bearing seat.
In order to guarantee that top roll can be crooked, the long top roll that especially is suitable for rolling than long pipe can be crooked, and above-mentioned four-roll plate bending machine, top roll comprise multistage pony roll, little roll shaft; Each section pony roll is sleeved on the little roll shaft; The two ends of little roll shaft are rotated and are arranged on the little roll bearing seat; Little roll bearing seat is fixed on the lower limb of a top roll bearing plate; The top of top roll bearing plate links to each other with the top roll elevating mechanism.The last roll structure of multisection type has prevented the bending deformation distortion of top roll.If structure during without multistage, top roll length long (for example, surpassing 6m), the deflection deformation meeting of top roll is very big.For the top roll bearing plate, if thickness is too big, the longitudinal slot between the pipe of roll-forming is just bigger, thus for the more perfect pipe of roll-forming, minor diameter pipe especially, the top roll bearing plate is generally all thinner.But the problem that thin top roll bearing plate brings is easy lateral bending.For this reason, above-mentioned four-roll plate bending machine is provided with horizontal supporting plate in the both sides of top roll bearing plate, and horizontal supporting plate links to each other with the horizontal supporting plate driving mechanism of move left and right up and down with the drive horizontal supporting plate.Like this, make horizontal supporting plate contact with top roll bearing plate sidepiece by the mobile and horizontal gripper shoe, prevent the lateral bending of top roll bearing plate effectively.But horizontal supporting plate can not can not counteract moving up and down of top roll bearing plate the sheet material interference that rolls, so can be up and down and move left and right for horizontal supporting plate.When needs moved up and down the top roll bearing plate, horizontal supporting plate will leave the top roll bearing plate.Best, the horizontal supporting plate driving mechanism comprises that horizontal supporting plate move left and right drive unit and horizontal supporting plate move up and down drive unit; Horizontal supporting plate is slidingly arranged on the crane along left and right directions, and horizontal supporting plate links to each other with drive horizontal supporting plate move left and right drive unit its move left and right, that be arranged on the crane; Crane with drive the crane oscilaltion, be arranged on horizontal supporting plate on the frame and move up and down drive unit and link to each other.Horizontal supporting plate move left and right drive unit drives oil cylinder for the horizontal supporting plate move left and right; It is that horizontal supporting plate moves up and down the driving oil cylinder that horizontal supporting plate moves up and down drive unit.
In order to guarantee the rigidity of lower roll, prevent the lower roll distortion, especially the long lower roll that is suitable for rolling than long pipe can be crooked, above-mentioned four-roll plate bending machine, it also comprises the snub pulley device, the snub pulley device comprise a pair of that contact with the outer peripheral face of lower roll, rotate the lower roll backing roll be arranged on the lower roll backing roll beam.
In the time of need rolling long pipe, top roll, lower roll, side roller all need long, and lower roll is drive roll, driving lower roll if the lower roll transmission mechanism only links to each other with an end of lower roll rotates, may cause producing between the lower roll two ends bigger torsional deflection, in order to prevent that this situation from taking place, the lower roll transmission mechanism has two, and the two ends of lower roll link to each other with the lower roll transmission mechanism respectively.Such two lower roll transmission mechanisms drive lower roll simultaneously and rotate, and have reduced the torsional deflection of lower roll.
Above-mentioned four-roll plate bending machine, the side roller links to each other with side roller rotating drive mechanism on being arranged on frame by universal joint.
Above-mentioned four-roll plate bending machine, side roller backing roll beam drive unit are side roller backing roll beam oscillating oil cylinder; The side roller mobile driving mechanism that tilts is the side roller mobile oil cylinder that tilts.
Present technique provides the method that a kind of method is simple, the reliable employing of operation four-roll plate bending machine rolls pipe simultaneously.
Employing four-roll plate bending machine in the present technique rolls the method for pipe, comprise the steps: the rotation by lower roll, being pressed in sheet material between top roll and the lower roll to a side shifting, earlier roll out arc in this side, the arc length of this arc is the 4/7-3/5 that rolls into round girth in advance, and the upper end of this arc contacts with the frame on top roll top and produces strain; Then sheet material to a side translation; Backward rotation by lower roll again, being pressed in sheet material between top roll and the lower roll to an opposite side shifting, roll out remaining arc in an opposite side, after the arc that rolls out equal to roll in advance round girth with the arc sum that rolls out earlier, after the upper end of the upper end of the arc that rolls out and/or the arc that rolls out earlier contact with the frame on top roll top and produce strain; Then rolled sheet material is taken off from four-roll plate bending machine, after the arc that rolls out and/or the arc that rolls out earlier under elastic reaction, be closed into pipe.
This method has adopted the strain of sheet material, breakthrough employing roll out earlier arc for circumference 4/7-3/5 arc length, the upper end of this arc contacts with the frame on top roll top and produces strain; And then roll out remaining arc, the upper end of the upper end of the arc that rolls out after the utilization and/or the arc that rolls out earlier contacts with the frame on top roll top and produces strain, make the sheet material that takes off from four-roll plate bending machine because after the arc that rolls out and/or the arc that rolls out earlier under elastic reaction, be closed into pipe.This method is simple, and operation is reliable, is particularly suited for rolling of the longer steel pipe of minor diameter.
Description of drawings
Fig. 1 is the four-roll plate bending machine front view.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the A-A cutaway view of Fig. 1.
Fig. 4 is enlarged drawings such as the top roll, lower roll, side roller among Fig. 3
Fig. 5 is the snub pulley installation drawing.
Fig. 6 is the B-B cutaway view of Fig. 5.
Fig. 7 is the structural representation of lower roll etc.
Fig. 8 is the structural representation of side roller etc.
Fig. 9 is the left view of Fig. 8.
Figure 10 is for rolling the 1st step of flow process schematic diagram.
Figure 11 is for rolling the 2nd step of flow process schematic diagram.
Figure 12 is for rolling the 3rd step of flow process schematic diagram.
Figure 13 is for rolling the 4th step of flow process schematic diagram.
Figure 14 is for rolling the 5th step of flow process schematic diagram.
Figure 15 is for rolling the 6th step of flow process schematic diagram.
Figure 16 is for rolling the 7th step of flow process schematic diagram.
Figure 17 is for rolling the 8th step of flow process schematic diagram.
Figure 18 is for rolling the 9th step of flow process schematic diagram.
Figure 19 is the enlarged drawing of the sheet material among Figure 15.
Figure 20 is the steel pipe schematic diagram that rolls into.
Figure 21 is the structural representation of top roll.
Among the figure: 1, servomotor; 2, decelerator; 3, left frame; 4, horizontal supporting plate moves up and down and drives oil cylinder 5, the horizontal supporting plate move left and right drives oil cylinder; 6, entablature; 8, lower roll; 9, side roller backing roll; 10, side roller backing roll beam; 11, entablature horizontal supporting plate; 12, right frame; 13, top roll; 14, side roller; 13.1 pony roll; 13.2 little roll bearing seat; 13.3 little roll shaft; 13.4 bearing; 18, side roller backing roll beam drives oil cylinder; 19, base; 20, sill; 21, snub pulley device; 22, shaft coupling; 23, power set; 24, side support roller device; 25, entablature oil cylinder; 26, the side roller mobile oil cylinder that tilts; 27, top roll bearing plate; 28, deep-slotted chip breaker; 29, arc skateboard; 30, crane; 31, sheet material; 32, left arc; 33, the upper end of left arc; 34, right arc; 35, the upper end of right arc.
The specific embodiment
Frame comprises left frame 3, right frame 12, base 19.Left frame 3 and right frame 12 lower ends are fixed on the base 19, and sill 20 lower ends are fixed on the base 19, and two ends are connected with right frame with left frame.
Two side rollers 14 lay respectively at lower roll 8 both sides, adopt the inclined ramp mode to be fixed on the frame both sides.Specifically, side roller 14 two ends are rotated by bearing 14.2 and are arranged on the side roll bearing seat 14.1, and the side roller rotational drive motor 23 between an end of side roller passes through universal joint 22 and arranges on the frame links to each other.In side roll bearing seat 14.1 is slidingly arranged in slideway on the frame along incline direction.The tilt cylinder body of mobile oil cylinder 26 of side roller is arranged on the frame, and its piston rod links to each other with side roll bearing seat 14.1, mobile oil cylinder 26 actions of tilting of side roller, and it is mobile along sliding to drive the side roll bearing seat, and the side roller is just along the incline direction translation.Because the side roller is to link to each other with side roller rotational drive motor 23 by universal joint, when the side roller moves with respect to side roller rotational drive motor 23, can not hinder side roller rotational drive motor 23 to give the side roller transmission of power.
Side support roller device and snub pulley device 21 structures roughly the same are not described in detail.Support roller seat in each side support roller device is arranged on the side roller backing roll beam 10, and two side roller backing rolls 9 in each side support roller device contact along the axially-aligned of side roller and with the periphery of side roller, in order to the support-side roller.Two side roller backing rolls 9 are symmetrical with the axis 103 of downside roller backing roll beam 10 cross sections.
Side roll bearing seat 14.1 is provided with the deep-slotted chip breaker 28 centered by the axis of side roller, and the arc skateboard 29 that is slidingly arranged in the deep-slotted chip breaker is fixed on the side roller backing roll beam 10.The cylinder body that side roller backing roll beam drives oil cylinder 18 is hinged on the side roll bearing seat 14.1, and its piston rod and side roller backing roll beam 10 are hinged.Side roller backing roll beam drives oil cylinder 18 actions, drives arc skateboard 29 and slides in deep-slotted chip breaker 28, and side roller backing roll beam 10 is around the swing of side roll axis simultaneously, and side roller backing roll 9 rolls along side roller periphery.
Side roller backing roll beam 10 is positioned at side roller 14 side-lowers, in a side of side roller backing roll beam 10 many offsides roller backing roll 9 is housed, under the effect of side roller support cylinder 18 along with 14 motions of side roller angle changing.
Entablature oil cylinder (top roll elevating mechanism) 25 has been installed on the top of left frame 3 and right frame 12, the piston rod of entablature oil cylinder 25 is connected with entablature 6, entablature oil cylinder 25 drives entablature 6 and moves up and down, and top roll bearing plate 27 is connected with the lower end of entablature 6.
Referring to Figure 21, top roll 13 comprises multistage pony roll 13.1, pony roll axle 13.3, pony roll bearing block 13.2; Each section pony roll is sleeved on the little roll shaft; The two ends of little roll shaft are rotated and are arranged on the little roll bearing seat.Little roll bearing seat is fixed on the lower limb of top roll bearing plate.Top roll 13 is arranged on top roll bearing plate 27 belows, and the top roll bearing plate 27 that connects with entablature 6 and top roll 13 are along with entablature 6 motions.The every section little roll structure that is installed on the top roll bearing plate is identical, and is coaxial, guarantees that whole top roll is stressed evenly, reduces distortion.In order to roll the minor diameter pipe of Φ 90mm, the diameter of pony roll 13.1 generally will be about Φ 60mm.In order to roll the long minor diameter pipe of length, top roll length will be grown (for example, more than the length 6m).For thin and long top roll, if do not adopt the calibration structure, deflection deformation is very big.
Be provided with horizontal supporting plate 11 in the both sides of top roll bearing plate.Horizontal supporting plate is slidingly arranged on the crane 30 along left and right directions, and horizontal supporting plate links to each other with the piston rod that the horizontal supporting plate move left and right drives oil cylinder 5, and the cylinder body that the horizontal supporting plate move left and right drives oil cylinder 5 is arranged on the crane.Crane moves up and down the piston rod that drives oil cylinder 4 with horizontal supporting plate and links to each other, and horizontal supporting plate moves up and down the cylinder body that drives oil cylinder 4 and is arranged on the frame.Move up and down the motion that drives oil cylinder 4 and horizontal supporting plate move left and right driving oil cylinder 5 control horizontal supporting plates 11 by horizontal supporting plate, regulate the position of horizontal supporting plate 11.
Side roller backing roll beam 10 is steel plate weldments, side roller backing roll beam 10 and on side roller backing roll 9 can act on side roller 14 effectively, guarantee its precision, simultaneously side roller backing roll beam 10 can change and angle changing with sheet material curvature under side roller backing roll beam drives the effect of oil cylinder 18, therefore load can be acted on all the time on the side roller backing roll beam and guarantees the rigidity of side roller.
Offside roller backing roll 9 in each side support roller device 24, uniform being installed on the side roller backing roll beam 10, be tangential on side roller 14, and can tiltedly slide with side roller 14, the effect downside roller backing roll beam 10 that drives oil cylinder 18 at side roller backing roll beam is being with side roller backing roll 9 together along with sheet material curvature changes and angle changing.
The upper end of top roll bearing plate 27 is connected with the lower end of entablature 6, and top roll 13 is installed in top roll bearing plate 27 belows, and the top roll bearing plate 27 that connects with entablature 6 and top roll 13 are along with entablature 6 motions.
This four-roll plate bending machine rolls the course of work of the sheet material (steel plate) of thickness≤5mm:
Referring to Figure 10, top roll 13 leaves lower roll 8, and sheet material 31 enters between top roll and the lower roll from the right side.
Referring to Figure 11, top roll moves down, and compresses sheet material, and lower roll clockwise rotates then, drive sheet material and move to right, up to the left end of sheet material between up-down rollers.Then be positioned at the right roller backing roll beam 101 on lower roll right side to lower swing, the left horizontal supporting plate 112 that is positioned at top roll bearing plate 27 left sides moves, and makes the right-hand member of left horizontal supporting plate 112 contact with the left surface of top roll bearing plate.The left roller 142 that is positioned at the lower roll left side moves the below left.
Referring to Figure 12, the right roller 141 that is positioned at the lower roll right side moves to the upper left side; Right roller backing roll beam 101 swing makes the point of contact of sheet material and right roller 141 on the axis 103 of right roller backing roll beam 101 cross sections between the offside roller backing roll.
Referring to Figure 13, lower roll rotates counterclockwise, and it is mobile to the left to drive sheet material, and rolls out the left arc 32 in left side, and the arc length L of left arc 32 is 4/7-3/5 of circle 36 girths that roll in advance.In the process of rolling, although the thickness of top roll bearing plate less (being generally 20mm), because the arc length of left arc 32 surpasses semicircle, so the upper end 33 of left arc 32 can contact with the left side of top roll bearing plate.Can be with after the left side of top roll bearing plate contact in upper end 33, lower roll continues to rotate counterclockwise, and at this moment, the upper end 33 of left arc 32 can be along the upwards slip of left side of top roll bearing plate, and strain can take place in left arc.For the upper end 33 that prevents left arc 32 contacts with left horizontal supporting plate 112, the bottom of left horizontal supporting plate 112 will be higher than the extreme higher position of the upper end 33 of left arc 32.
Referring to Figure 14, right roller 141 moves to the lower right, and left horizontal supporting plate 112 upwards is moved to the left the left surface that leaves the top roll bearing plate.
Referring to Figure 15, lower roll rotates counterclockwise, and drives sheet material and is moved to the left the sheet material right-hand member between up-down rollers.Referring to Figure 19, Figure 20, this moment, left arc 32 returned to the state of the part of circle 36 under flexible effect because the upper end 33 of left arc 32 no longer contacts with top roll bearing plate 27.The right horizontal supporting plate 111 that is positioned at top roll bearing plate 27 right sides moves, and makes the left end of right horizontal supporting plate 111 contact with the right flank of top roll bearing plate.
Referring to Figure 16, the left roller 142 that is positioned at lower roll left side moves to the upper right side; Left roller backing roll beam 102 swing makes the point of contact of sheet material and left roller 142 on the axis 104 of left roller backing roll beam 102 cross sections between the offside roller backing roll.
Referring to Figure 17, lower roll clockwise rotates, and it is mobile to the right to drive sheet material, and rolls out the right arc 34 on right side, circle 36 girths that the arc length sum of the arc length of right arc 34 and left arc equals to roll in advance.In the process of rolling, although the thickness of top roll bearing plate less (being generally 20mm), because the existence of top roll bearing plate, left arc 32 and right arc 34 can not be merged into full circle.At this moment, the upper end 33 of left arc 32 and/or the upper end of right arc 34 35 can be along the upwards slips of top roll bearing plate, and strain can take place for left arc and/or right arc.
Referring to Figure 18, move on the top roll, right horizontal supporting plate 111 upwards moves right and leaves the right flank of top roll bearing plate, and left roller 142 below left is mobile.Next working cycles is carried out in preparation.Rolled sheet material (pipe 37) is taken off from top roll, because top roll bearing plate 27 is thinner, longitudinal joint on the pipe is very little, add the recovery of the strain (strain of left arc and/or right arc in other words conj.or perhaps) of pipe, this longitudinal joint is closed substantially, sheet material is just rolled into perfect pipe 37, and the cross section of this pipe is a circle 36, referring to Figure 20.
The characteristics of this four-roll plate bending machine:
A. can roll long light sheet, the segmentation structure of top roll can prevent the distortion that takes place owing to length is long effectively.
B. side roller backing roll beam and on side roller backing roll can act on the side roller effectively, guarantee its precision, simultaneously side roller backing roll beam can be with the motion of side roller angle changing thereupon, therefore load can be acted on all the time on the side roller backing roll beam and guarantee the rigidity of side roller.
C. the lower roll Synchronous Transmission can reduce torsional deformation effectively.
In a word, the top roll of present technique adopts segmentation structure; Two ends, the lower roll left and right sides are connected with servomotor, reduce torsional deformation effectively; The side roller is positioned at the lower roll both sides, adopts cant slideway mode to be installed in the frame both sides, and side roller backing roll is positioned on the side roller backing roll beam, side roller backing roll beam drive the effect downside roller backing roll beam of oil cylinder and side roller backing roll along with the motion of side roller angle changing.Therefore, this four-roll plate bending machine can be made overlength minor diameter pipe to coil sheet, be a kind of overlength thin plate minor diameter four-roll plate bending machine, especially solved the difficult problem that overlength (greater than 10m) thin plate (less than 5mm) minor diameter (diameter 90mm to 800mm) rolls with veneer reeling machine.
Claims (10)
1. four-roll plate bending machine comprises top roll, the lower roll that is parallel to each other, two side rollers that are positioned at the lower roll both sides, and lower roll rotates to be arranged on the frame and with the lower roll transmission mechanism that drives its rotation and links to each other; Top roll links to each other with the top roll elevating mechanism that drives its oscilaltion; Lower roll transmission mechanism, top roll elevating mechanism all are arranged on the frame; It is characterized in that: the side roller rotates and is arranged on the side roll bearing seat, and the side roller links to each other with the side roller rotating drive mechanism that drives the rotation of side roller; The side roll bearing seat is slidingly arranged on the frame along incline direction, the side roll bearing seat with drive side roller that the side roll bearing seat slides with respect to the frame mobile driving mechanism that tilts and link to each other; That the side support roller device comprises is that outer peripheral face a pair of and the side roller contacts, rotate the side roller backing roll that is arranged on the side roller backing roll beam; Between side roll bearing seat and side roller backing roll beam, be provided with and drive side roller backing roll beam around the side roller backing roll beam drive unit of side roll axis swing.
2. four-roll plate bending machine as claimed in claim 1, it is characterized in that: the side roll bearing seat is provided with the deep-slotted chip breaker centered by the axis of side roller, and the arc skateboard that is slidingly arranged in the deep-slotted chip breaker is fixed on the side roller backing roll beam.
3. four-roll plate bending machine as claimed in claim 2, it is characterized in that: the side support roller device has more than three, and each the offside roller backing roll in each side support roller device is along the axially-aligned of side roller; The two ends of side roller are rotated and are arranged on two side roll bearing seat.
4. four-roll plate bending machine as claimed in claim 3, it is characterized in that: top roll comprises multistage pony roll, little roll shaft; Each section pony roll is sleeved on the little roll shaft; The two ends of little roll shaft are rotated and are arranged on the little roll bearing seat; Little roll bearing seat is fixed on the lower limb of a top roll bearing plate; The top of top roll bearing plate links to each other with the top roll elevating mechanism.
5. four-roll plate bending machine as claimed in claim 4, it is characterized in that: the both sides at the top roll bearing plate are provided with horizontal supporting plate, horizontal supporting plate with drive horizontal supporting plate and link to each other with the horizontal supporting plate driving mechanism of move left and right up and down.
6. four-roll plate bending machine as claimed in claim 5, it is characterized in that: the horizontal supporting plate driving mechanism comprises that horizontal supporting plate move left and right drive unit and horizontal supporting plate move up and down drive unit; Horizontal supporting plate is slidingly arranged on the crane along left and right directions, and horizontal supporting plate links to each other with drive horizontal supporting plate move left and right drive unit its move left and right, that be arranged on the crane; Crane with drive the crane oscilaltion, be arranged on horizontal supporting plate on the frame and move up and down drive unit and link to each other.
7. four-roll plate bending machine as claimed in claim 6 is characterized in that: horizontal supporting plate move left and right drive unit is that the horizontal supporting plate move left and right drives oil cylinder; It is that horizontal supporting plate moves up and down the driving oil cylinder that horizontal supporting plate moves up and down drive unit.
8. as the arbitrary described four-roll plate bending machine of claim 1-6, it is characterized in that: the lower roll transmission mechanism has two, and the two ends of lower roll link to each other with the lower roll transmission mechanism respectively.
9. as the arbitrary described four-roll plate bending machine of claim 1-6, it is characterized in that: the side roller links to each other with side roller rotating drive mechanism on being arranged on frame by universal joint.
10. adopt four-roll plate bending machine to roll the method for pipe, it is characterized in that: it comprises the steps: the rotation by lower roll, being pressed in sheet material between top roll and the lower roll to a side shifting, earlier roll out arc in this side, the arc length of this arc is the 4/7-3/5 that rolls into round girth in advance, and the upper end of this arc contacts with the frame on top roll top and produces strain; Then sheet material to a side translation; Backward rotation by lower roll again, being pressed in sheet material between top roll and the lower roll to an opposite side shifting, roll out remaining arc in an opposite side, after the arc that rolls out equal to roll in advance round girth with the arc sum that rolls out earlier, after the upper end of the upper end of the arc that rolls out and/or the arc that rolls out earlier contact with the frame on top roll top and produce strain; Then rolled sheet material is taken off from four-roll plate bending machine, after the arc that rolls out and/or the arc that rolls out earlier under elastic reaction, be closed into pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101452406A CN103264074A (en) | 2013-04-23 | 2013-04-23 | Four-roller plate bending machine and method for rolling circular tubes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101452406A CN103264074A (en) | 2013-04-23 | 2013-04-23 | Four-roller plate bending machine and method for rolling circular tubes |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105128378A (en) * | 2015-10-19 | 2015-12-09 | 江苏宏威重工机床制造有限公司 | Four-roller veneer reeling machine |
| CN106363097A (en) * | 2016-08-31 | 2017-02-01 | 北京创然铝塑工业有限公司 | Four-roller compound machine and plate rolling process |
| CN109047403A (en) * | 2018-09-17 | 2018-12-21 | 顺德职业技术学院 | Gap can adjust automatically four-roller furling plate round machine |
| CN111842572A (en) * | 2020-08-03 | 2020-10-30 | 西安信康实业有限公司 | Section bending machine for manufacturing transformer oil tank |
| CN112317570A (en) * | 2020-10-13 | 2021-02-05 | 芜湖中集瑞江汽车有限公司 | Edge rolling device |
| CN113828664A (en) * | 2021-08-27 | 2021-12-24 | 孙平 | Stamping equipment for material difficult to stamp |
| CN116329325A (en) * | 2023-05-30 | 2023-06-27 | 山东津岳环保设备有限公司 | Arc-shaped steel plate radius measuring device for veneer reeling machine and control method |
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| CN105128378A (en) * | 2015-10-19 | 2015-12-09 | 江苏宏威重工机床制造有限公司 | Four-roller veneer reeling machine |
| CN106363097A (en) * | 2016-08-31 | 2017-02-01 | 北京创然铝塑工业有限公司 | Four-roller compound machine and plate rolling process |
| CN109047403A (en) * | 2018-09-17 | 2018-12-21 | 顺德职业技术学院 | Gap can adjust automatically four-roller furling plate round machine |
| CN111842572A (en) * | 2020-08-03 | 2020-10-30 | 西安信康实业有限公司 | Section bending machine for manufacturing transformer oil tank |
| CN112317570A (en) * | 2020-10-13 | 2021-02-05 | 芜湖中集瑞江汽车有限公司 | Edge rolling device |
| CN112317570B (en) * | 2020-10-13 | 2024-03-19 | 芜湖中集瑞江汽车有限公司 | Rolling device |
| CN113828664A (en) * | 2021-08-27 | 2021-12-24 | 孙平 | Stamping equipment for material difficult to stamp |
| CN113828664B (en) * | 2021-08-27 | 2023-08-18 | 孙平 | Stamping equipment to difficult punching press material |
| CN116329325A (en) * | 2023-05-30 | 2023-06-27 | 山东津岳环保设备有限公司 | Arc-shaped steel plate radius measuring device for veneer reeling machine and control method |
| CN116329325B (en) * | 2023-05-30 | 2023-09-01 | 山东津岳环保设备有限公司 | Arc-shaped steel plate radius measuring device for veneer reeling machine and control method |
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Application publication date: 20130828 |