CN104416027A - Four-roller plate rolling machine and method for conducting rolling to form circular tube - Google Patents
Four-roller plate rolling machine and method for conducting rolling to form circular tube Download PDFInfo
- Publication number
- CN104416027A CN104416027A CN201310364117.3A CN201310364117A CN104416027A CN 104416027 A CN104416027 A CN 104416027A CN 201310364117 A CN201310364117 A CN 201310364117A CN 104416027 A CN104416027 A CN 104416027A
- Authority
- CN
- China
- Prior art keywords
- roll
- roller
- side roller
- plate
- bearing seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention provides a four-roller plate rolling machine. According to the four-roller plate rolling machine, side rollers can translate up and down in the inclined direction, and cannot bend, and a steel plate can be rolled to be circular. The four-roller plate rolling machine comprises an upper roller, a lower roller and the side rollers, wherein the side rollers are arranged on a side roller bearing pedestal in a rotary mode, and the side rollers are connected with a side roller rotation driving mechanism; the side roller bearing pedestal is arranged on a rack in a sliding mode in the inclined direction, and connected with a side roller inclined movement driving mechanism. A side carrier roller device comprises a pair of side roller supporting roller beam driving devices, wherein the side roller supporting roller beam driving devices make contact with the peripheral surfaces of the side rollers and are arranged on side roller supporting roller beams in a rotary mode. The invention further provides a method for conducting rolling to form a circular tube through the four-roller plate rolling machine. The method comprises the steps that an arc is formed on one side through rolling, wherein the upper end of the arc makes contact with the portion, on the upper portion of the upper roller, of the rack so as to generate elastic deformation; the rest of the arc is formed on the opposite side through rolling.
Description
Technical field
This technology relates to a kind of the veneer reeling machine of sheet metal volume circle and roll the method for pipe, particularly relates to a kind ofly coil sheet is made the four-roll plate bending machine of overlength Small/mini-diameter Tube and rolls the method for overlength Small/mini-diameter Tube.
Background technology
Existing light wall pipe ratio-frequency welding pipeline adopts pass forming process, and often kind of caliber all needs the mould fixed, and the shaping from diameter of phi 90 to Φ 800 needs tens kinds of moulds, 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, cannot roll with the veneer reeling machine of routine.So be the problem needing at present to solve with the long thin plate that veneer reeling machine directly rolls different-diameter.
Existing four-roll plate bending machine, comprise be parallel to each other top roll, lower roll, be positioned at two side rollers of lower roll both sides, lower roll rotates and is arranged in frame and is connected with its lower roll transmission mechanism rotated of drive; Top roll is connected with driving the top roll elevating mechanism of its oscilaltion; Lower roll transmission mechanism, top roll elevating mechanism are all arranged in frame; Side roller rotates and is arranged in frame, and side roller is connected with the side roller rotating drive mechanism driving side roller to rotate.Its side roller relative to lower roll translation, like this when rolling, generally can not can only be made the larger arc-shaped plate of bending radius roll of steel plate, being difficult to roll into tubular, being more difficult to the pipe that diameter is less and length is longer and having rolled.
Summary of the invention
The object of this technology be to provide a kind of side roller can along incline direction upper and lower translation and side roller can not bend, can conglobate for roll of steel plate system four-roll plate bending machine, it is particularly useful for rolling of longer Small/mini-diameter Tube.
This four-roll plate bending machine, comprise be parallel to each other top roll, lower roll, be positioned at two side rollers of lower roll both sides, lower roll rotates and is arranged in frame and is connected with its lower roll transmission mechanism rotated of drive; Lower roll transmission mechanism, top roll elevating mechanism are all arranged in frame; Side roller rotates and is arranged in the roll bearing seat of side, and side roller is connected with the side roller rotating drive mechanism driving side roller to rotate; Side roll bearing seat is slidably arranged in frame along incline direction, and side roll bearing seat is connected relative to the side roller inclination movement driving mechanism of housing slide with drive side roll bearing seat; Side support roller device comprise a pair that contact with the outer peripheral face of side roller, rotate the side roller backing roll beam drive unit be arranged on the roller backing roll beam of side.
The beneficial effect of this technology: drive side roll bearing seat to move relative to rack inclining by side roller inclination movement driving mechanism, that is, side roller can move along incline direction relative to lower roll, like this, side roller can carry out spacing, support to the sheet material between top roll, lower roll, and side roller can change position along with by the radian size of sheet material that rolls, ensure side roller all the time can with rolled web contact, be so just easy to roll of steel plate to make pipe.
When side roller changes position, the position of roller periphery, side and web contact can change.If when the position that sheet material contacts with side roller and side roller backing roll be not in (being positioned at roller both sides, side) same plane, the power of sheet material offside roller cannot be balanced, and such side roller will bend.If side roller length is longer, bending will be more serious.So just be difficult to roll the longer pipe of length.But because this technology has side roller backing roll beam drive unit, drive side roller backing roll around side shaft axis oscillating by side roller backing roll beam drive unit, 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 roller both sides, side with the contact position of sheet material and side roller all the time, balanced by the power of side roller backing roll and sheet material offside roller like this, ensure that side roller can not bend.Like this, this technology is just particularly suitable for rolling of Circular Pipe.
In order to ensure that side roller can not bend further, especially the longer side roller being suitable for rolling longer pipe can not bend, above-mentioned four-roll plate bending machine, side support roller device has more than three, and each offside roller backing roll in the support roller device of each side is along the axially-aligned of side roller; The two ends of side roller are rotated and are arranged in two side roll bearing seat.
In order to ensure that top roll can not bend, the longer top roll being especially suitable for rolling longer pipe can not bend, above-mentioned four-roll plate bending machine, and top roll comprises multistage pony roll, little roll shaft; Each section of pony roll is sleeved on little roll shaft; The two ends of little roll shaft are rotated and are arranged in little roll bearing seat; Little roll bearing seat is fixed on the lower limb of one piece of top roll bearing plate; The top of top roll bearing plate is connected with top roll elevating mechanism.The upper roll structure of multisection type, prevents the bending deformation of top roll to be out of shape.If without structure during multistage, top roll length longer (such as, more than 6m), the deflection deformation of top roll can be very large.For top roll bearing plate, if thickness is too large, the longitudinal slot between the pipe of roll-forming is just comparatively large, so in order to the more perfect pipe of roll-forming, especially Small/mini-diameter Tube, top roll bearing plate is general 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 is connected with the horizontal supporting plate driving mechanism moved left and right up and down with drive horizontal supporting plate.Like this, by mobile and horizontal gripper shoe, horizontal supporting plate is contacted with top roll bearing plate sidepiece, effectively prevent the lateral bending of top roll bearing plate.But horizontal supporting plate to the sheet material interference rolled, can not can not counteract moving up and down of top roll bearing plate, so horizontal supporting plate is wanted up and down and to move left and right.When needs move up and down top roll bearing plate, horizontal supporting plate will leave top roll bearing plate.Best, horizontal supporting plate driving mechanism comprises horizontal supporting plate and moves left and right drive unit and horizontal supporting plate moves up and down drive unit; Horizontal supporting plate is slidably arranged on crane in left-right direction, horizontal supporting plate and drive that it moves left and right, the horizontal supporting plate be arranged on crane moves left and right drive unit and is connected; Crane with drive crane oscilaltion, the horizontal supporting plate be arranged in frame moves up and down drive unit and is connected.It is that horizontal supporting plate moves left and right driving oil cylinder that horizontal supporting plate moves left and right drive unit; It is that horizontal supporting plate moves up and down driving oil cylinder that horizontal supporting plate moves up and down drive unit.
When needing to roll longer pipe, top roll, lower roll, side roller all need longer, and lower roll is drive roll, if lower roll transmission mechanism is only connected with one end of lower roll and drives lower roll to rotate, may cause producing larger torsional deflection between lower roll two ends, in order to prevent this situation from occurring, lower roll transmission mechanism has two, and the two ends of lower roll are connected with lower roll transmission mechanism respectively.Such two lower roll transmission mechanisms drive lower roll to rotate simultaneously, reduce the torsional deflection of lower roll.
Above-mentioned four-roll plate bending machine, side roller is connected with the side roller rotating drive mechanism be arranged in frame by universal joint.
Above-mentioned four-roll plate bending machine, side roller backing roll beam drive unit is side roller backing roll beam oscillating oil cylinder; Side roller inclination movement driving mechanism is side roller inclination movement oil cylinder.
This technology provides a kind of method that method is simple, operation reliable employing four-roll plate bending machine rolls pipe simultaneously.
Employing four-roll plate bending machine in this technology rolls the method for pipe, comprise the steps: the rotation by lower roll, the sheet material be pressed between top roll and lower roll is moved to side, first roll out arc in this side, the arc length of this arc is the 4/7-3/5 rolling into round girth in advance, and the upper end of this arc contacts with the frame on top roll top and produces elastic deformation; Then sheet material to side translation; Rotating backward again by lower roll, the sheet material be pressed between top roll and lower roll is moved to opposite side, remaining arc is rolled out in opposite side, after the arc that rolls out equal to roll into round girth in advance with the arc sum first rolled out, after the upper end of arc that rolls out and/or the upper end of arc that first rolls out contact with the frame on top roll top and produce elastic deformation; Then rolled sheet material is taken off from four-roll plate bending machine, after the arc that rolls out and/or the arc that first rolls out under elastic reaction, be closed into pipe.
Accompanying drawing explanation
Fig. 1 is four-roll plate bending machine front view.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is roll feeding device figure.
Fig. 4 be in the enlarged drawing such as top roll, lower roll, side roller
Fig. 5 is lower roller device figure.
Fig. 6 is the B-B sectional view of Fig. 5.
In figure: 1, servomotor; 2, decelerator; 3, left frame; 4, horizontal supporting plate moves up and down and drives oil cylinder 5, horizontal supporting plate to move left and right driving oil cylinder; 6, entablature; 8, lower roll; 9, side roller backing roll.
Detailed description of the invention
Frame comprises left frame 3, right frame 12, base 19.Left frame 3 and right frame 12 lower end are fixed on base 19, and sill 20 lower end is fixed on base 19, and two ends are connected with left frame and right frame.
Lower roller device 21 has multiple, and each lower roller device 21 is supported roll shaft 21.3, two lower roll backing rolls 21.4 etc. formed by support roller seat 21.1,21.2, two, bearing.Support roller seat 21.1 in each lower roller device 21 is arranged on lower crossbeam 20, two lower roll backing rolls in each lower roller device 21 along lower roll axially-aligned and contact with the periphery of lower roll, in order to support lower roll 8.Two lower roll backing rolls 21.4 are symmetrical with the axis of sill cross section.
Lower roller device 21 is fixed on sill 20 upper end, and the two ends of lower roll 8 are rotatably installed on sill 20 by bearing 8.2, bottom roll bearing block 8.1, and lower roll about 8 two ends all connect servomotor 1 and decelerator 2, can effectively reduce the torsional deflection of lower roll.Two servomotors carry out Synchronization Control, realize rotating synchronously.
Two side rollers 14 lay respectively at lower roll 8 both sides, adopt inclined ramp mode to be fixed on frame both sides.Specifically, side roller 14 two ends are rotated by bearing 14.2 and are arranged in side roll bearing seat 14.1, and one end of side roller is connected by the side roller rotational drive motor 23 in frame between universal joint 22 with setting.Side roll bearing seat 14.1 is slidably arranged in along incline direction in the slideway in frame.The cylinder body of side roller inclination movement oil cylinder 26 is arranged in frame, and its piston rod is connected with side roll bearing seat 14.1, side roller inclination movement oil cylinder 26 action, and drive side roll bearing seat along slip inclination movement, side roller is just along incline direction translation.Because side roller is connected with side roller rotational drive motor 23 by universal joint, when side roller moves relative to side roller rotational drive motor 23, side roller rotational drive motor 23 can not be hindered power transmission to side roller.
Side support roller device and lower roller device 21 Structure type together, are not described in detail.Support roller seat in the support roller device of each side is arranged on side roller backing roll beam 10, two side roller backing rolls 9 in the support roller device of each side along side roller axially-aligned and contact with the periphery of side roller, in order to support-side roller.Two side roller backing rolls 9 are symmetrical with the axis 103 of downside roller backing roll beam 10 cross section.
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 be slidably arranged in deep-slotted chip breaker is fixed on side roller backing roll beam 10.Side roller backing roll beam drives the cylinder body of oil cylinder 18 to be hinged in 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 action, and drive arc skateboard 29 to slide in deep-slotted chip breaker 28, side roller backing roll beam 10 swings around side roll axis simultaneously, and side roller backing roll 9 rolls along roller periphery, side.
Side roller backing roll beam 10 is positioned at side roller 14 side-lower, in the side of side roller backing roll beam 10, multipair side roller backing roll 9 is housed, along with side roller 14 moves and angle changing under the effect of side roller support cylinder 18.
On the top of left frame 3 and right frame 12, entablature oil cylinder (top roll elevating mechanism) 25 is installed, the piston rod of entablature oil cylinder 25 is connected with entablature 6, entablature oil cylinder 25 drives entablature 6 to move up and down, and top roll bearing plate 27 is connected with the lower end of entablature 6.
Top roll 13 comprises multistage pony roll 13.1, little roll shaft 13.3, little roll bearing seat 13.2; Each section of pony roll is sleeved on little roll shaft; The two ends of little roll shaft are rotated and are arranged in 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 below top roll bearing plate 27, moves with top roll 13 with the top roll bearing plate 27 that entablature 6 connects together with entablature 6.The every section little roll structure be arranged on top roll bearing plate is identical, and is coaxial, guarantees whole top roll uniform force, reduces distortion.In order to roll the Small/mini-diameter Tube of Φ 90mm, the diameter of pony roll 13.1 generally will at Φ about 60mm.In order to roll the longer Small/mini-diameter Tube of length, top roll length longer (such as, more than length 6m).For thin and long top roll, if do not adopt indexing structure, deflection deformation is very large.
The both sides of top roll bearing plate are provided with horizontal supporting plate 11.Horizontal supporting plate is slidably arranged on crane 30 in left-right direction, and horizontal supporting plate and horizontal supporting plate move left and right and drive the piston rod of oil cylinder 5 to be connected, and horizontal supporting plate moves left and right and drives the cylinder body of oil cylinder 5 to be arranged on crane.Crane and horizontal supporting plate move up and down and drive the piston rod of oil cylinder 4 to be connected, and horizontal supporting plate moves up and down and drives the cylinder body of oil cylinder 4 to be arranged in frame.Moved up and down the motion driving oil cylinder 4 and horizontal supporting plate to move left and right driving oil cylinder 5 level of control gripper shoe 11 by horizontal supporting plate, regulate the position of horizontal supporting plate 11.
Base 19 is Plate Welding part, is one of main stressed member of machine, left frame, right frame that base 19 both sides are installed, and centre is connected with sill 20.Left frame 3 and right frame 12 are welded-steel plate construction, and lower end is connected with base 19, and upper end is connected with entablature oil cylinder 25, are the main stressed members of machine.Sill 20 is Plate Welding parts, and lower end is fixed on base 19, and two ends are connected with left frame and right frame, is one of main stressed member of machine.
Side roller backing roll beam 10 is Plate Welding parts, side roller backing roll beam 10 and on side roller backing roll 9 can effectively act on side roller 14, ensure its precision, simultaneously side roller backing roll beam 10 can under side roller backing roll beam drives the effect of oil cylinder 18 with sheet material Curvature varying angle changing, therefore load can be acted on all the time rigidity side roller backing roll beam ensureing side roller.
An offside roller backing roll 9 in each side support roller device 24, uniformly be arranged on side roller backing roll beam 10, be tangential on side roller 14, and tiltedly can slide with side roller 14, on the downside of the effect of side roller backing roll beam driving oil cylinder 18, roller backing roll beam 10 is with the side roller backing roll 9 together angle changing along with sheet material Curvature varying.
Entablature 6 is Plate Welding part, and be one of main stressed member of machine, the piston rod of entablature oil cylinder 25 is connected with entablature 6, and entablature oil cylinder 25 drives entablature 6 to move up and down.
The upper end of top roll bearing plate 27 is connected with the lower end of entablature 6, and top roll 13 is arranged on below top roll bearing plate 27, moves with top roll 13 with the top roll bearing plate 27 that entablature 6 connects together with entablature 6.
And become full circle.Now, the upper end 33 of left arc 32 and/or the upper end 35 of right arc 34 can along the upward slidings of top roll bearing plate, and left arc and/or right arc elastic deformation can occur.
Claims (5)
1. four-roll plate bending machine, comprise be parallel to each other top roll, lower roll, be positioned at two side rollers of lower roll both sides, lower roll rotates and is arranged in frame and is connected with its lower roll transmission mechanism rotated of drive; Top roll is connected with driving the top roll elevating mechanism of its oscilaltion; It is characterized in that: side roller rotates and is arranged in the roll bearing seat of side, and side roller is connected with the side roller rotating drive mechanism driving side roller to rotate; Side roll bearing seat is slidably arranged in frame along incline direction, and side roll bearing seat is connected relative to the side roller inclination movement driving mechanism of housing slide with drive side roll bearing seat; Side support roller device comprise a pair that contact with the outer peripheral face of side roller, rotate the side roller backing roll beam drive unit be arranged on the roller backing roll beam of side.
2. four-roll plate bending machine as claimed in claim 1, it is characterized in that: in the roll bearing seat of side, be provided with the deep-slotted chip breaker centered by the axis of side roller, the arc skateboard be slidably arranged in deep-slotted chip breaker is fixed on the roller backing roll beam of side.
3. four-roll plate bending machine as claimed in claim 2, it is characterized in that: side support roller device has more than three, each offside roller backing roll in the support roller device of each side is along the axially-aligned of side roller; The two ends of side roller are rotated and are arranged in two side roll bearing seat.
4. four-roll plate bending machine as claimed in claim 3, is characterized in that: top roll comprises multistage pony roll, little roll shaft; Each section of pony roll is sleeved on little roll shaft; The two ends of little roll shaft are rotated and are arranged in little roll bearing seat; Little roll bearing seat is fixed on the lower limb of one piece of top roll bearing plate; The top of top roll bearing plate is connected with top roll elevating mechanism.
5. four-roll plate bending machine as claimed in claim 4, is characterized in that: the both sides of top roll bearing plate are provided with horizontal supporting plate, and horizontal supporting plate is connected with the horizontal supporting plate driving mechanism moved left and right up and down with drive horizontal supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310364117.3A CN104416027A (en) | 2013-08-19 | 2013-08-19 | Four-roller plate rolling machine and method for conducting rolling to form circular tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310364117.3A CN104416027A (en) | 2013-08-19 | 2013-08-19 | Four-roller plate rolling machine and method for conducting rolling to form circular tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104416027A true CN104416027A (en) | 2015-03-18 |
Family
ID=52966787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310364117.3A Pending CN104416027A (en) | 2013-08-19 | 2013-08-19 | Four-roller plate rolling machine and method for conducting rolling to form circular tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104416027A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112893544A (en) * | 2021-04-13 | 2021-06-04 | 湖北工业大学 | Deflection compensation method and device for coil forming |
| CN113523039A (en) * | 2021-06-10 | 2021-10-22 | 江苏海力风电设备科技股份有限公司 | Frock is adjusted to wind power tower cylinder edge rolling hydraulic press |
-
2013
- 2013-08-19 CN CN201310364117.3A patent/CN104416027A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112893544A (en) * | 2021-04-13 | 2021-06-04 | 湖北工业大学 | Deflection compensation method and device for coil forming |
| CN113523039A (en) * | 2021-06-10 | 2021-10-22 | 江苏海力风电设备科技股份有限公司 | Frock is adjusted to wind power tower cylinder edge rolling hydraulic press |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101744007B1 (en) | Forming method and forming device | |
| CN101648235B (en) | Flexible roller contact molding rolling forming device | |
| CN103264074A (en) | Four-roller plate bending machine and method for rolling circular tubes | |
| CN101653796A (en) | New type bending and rolling compound machine tool with pre-bending mould | |
| JP5268834B2 (en) | Molding apparatus and molding method | |
| CN101947579A (en) | Side brackets of curve down type coiling machine | |
| CN203197055U (en) | Four-roll plate rolling machine | |
| CN103350133A (en) | Bending machine used for electric roller support | |
| CN104416027A (en) | Four-roller plate rolling machine and method for conducting rolling to form circular tube | |
| CN101947578A (en) | Camber line dropping type upper bracket of three-roller plate roll | |
| CN112139313A (en) | Arc rolling machine | |
| CN210208196U (en) | Wheel rim rounding machine | |
| CN209810966U (en) | Circle-making machine | |
| CN101579714B (en) | Rolling stopper with same curvature of six-roll type reinforcing rod straightening machine | |
| CN210676467U (en) | Arc rolling machine | |
| CN201505690U (en) | Flexible roller contact molding rolling former | |
| CN101048241A (en) | Sheet metal bending machine and production line incorporating a machine of this type | |
| CN107150078B (en) | Bending machine is used in a kind of manufacture of hardware | |
| CN201791802U (en) | Arc line-lowering plate bending roll side brackets | |
| CN202921712U (en) | Plate rolling machine | |
| CN117299901B (en) | Automatic push bending forming machine | |
| CN204817599U (en) | Veneer reeling machine with polytypic extrusion function | |
| CN219882176U (en) | Metal round tube polishing machine | |
| CN219817834U (en) | Clamping mechanism of steel bar bending machine | |
| CN219464401U (en) | Lifting type steel pipe straightening device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150318 |