CN109570270A - A kind of plate-levelling machine and its application method - Google Patents
A kind of plate-levelling machine and its application method Download PDFInfo
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- CN109570270A CN109570270A CN201811642332.4A CN201811642332A CN109570270A CN 109570270 A CN109570270 A CN 109570270A CN 201811642332 A CN201811642332 A CN 201811642332A CN 109570270 A CN109570270 A CN 109570270A
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- pressure roller
- steel plate
- supporting block
- plate
- bracket
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- 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
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
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- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The present invention is a kind of plate-levelling machine and its application method, belong to field steel pipe's production apparatus field, aiming at the problem that pressure roller of existing steel plate leveling machine is easy hardness fracture, it is as follows using technical solution: a kind of plate-levelling machine, including acting the bracket fixed and supported, multiple upper pressure rollers and lower compression roller on bracket are set, steel plate to leveling is from upper, it is passed through between lower compression roller, and it is upper, lower compression roller squeezes, the upper pressure roller and lower compression roller rotate backward and interlaced arrangement, the upper pressure roller can move up and down, and the buffer gear by being arranged on bracket is deformed with the surface curvature for adapting to steel plate, to buffer steel plate to upper, the impact force of lower compression roller, in reduction, the probability of hardness fracture occurs for lower compression roller.And its application method is provided, this method includes adjusting push rolls position, the upper and lower position of the upper pressure roller of adjustment and buffer gear to be connected with upper pressure roller, and this method is easy to operate, impact force of effective buffering steel plate to upper and lower pressure roller.
Description
Technical field
The invention belongs to steel pipe's production apparatus field, in particular to a kind of plate-levelling machine and its application method.
Background technique
In pipe production line, plate-levelling machine is essential equipment, corrects steel plate, keeps surface of steel plate smooth,
The stress generated is reduced, reduces difficulty for subsequent welding procedure.The structure used in existing levelling machine is usually multiple pressures
Roller applies pressing force to the upper and lower surface of steel plate, and steel plate is pushed to the other side from the side of levelling machine, during push
By the roller flatteningl roller levelling of out-of-flatness.During smoothing, pressure roller is vertical direction to the power that steel plate applies, and the direction that steel plate is advanced is
Horizontal direction, steel plate apply reversed active force during traveling to pressure roller, are easy to be broken pressure roller hardness, shorten pressure roller
Service life.
Summary of the invention
Aiming at the problem that pressure roller of existing steel plate leveling machine is easy hardness fracture, the present invention provides a kind of plate-levelling machine simultaneously
Its application method is provided, to reduce the probability that hardness fracture occurs for pressure roller.
The present invention is as follows using technical solution: a kind of plate-levelling machine, including acting the bracket fixed and supported, is arranged
Multiple upper pressure rollers and lower compression roller on bracket, the steel plate to leveling is passed through between upper and lower pressure roller, and is squeezed by upper and lower pressure roller
Pressure, the upper pressure roller and lower compression roller rotate backward and interlaced arrangement, and the upper pressure roller can move up and down, and by being arranged in bracket
On buffer gear to adapt to the surface curvature deformation of steel plate, to buffer steel plate to the impact force of upper and lower pressure roller, in reduction,
The probability of hardness fracture occurs for lower compression roller.
During leveling of plates, the effect that lower compression roller primarily serves support and steel plate is pushed to advance, upper pressure roller applies steel plate
The purpose of compressive force is able to steel plate during traveling by leveling, sets structure moving up and down for upper pressure roller is anti-
Only the position of steel plate is moved, this is because the both ends of steel plate direction of travel are easily not located at same water if lower compression roller is removable
It on horizontal line, easily deforms in upper and lower pressure roller extrusion process, leveling effect is bad, is affected to steel plate subsequent operation；It is slow
Punch mechanism is connected with upper pressure roller, has effectively buffered steel plate to the impact force of upper and lower pressure roller, has reduced upper and lower pressure roller and rigid break occurs
The probability split.
Further, the buffer gear includes the supporting block that upper pressure roller both ends are arranged in, and the supporting block and bracket are living
Dynamic connection, and swing during leveling of plates, for buffering steel plate to the impact force of upper and lower pressure roller.Supporting block is swung
Upper pressure roller fine motion is driven in the process, and buffering effect is obvious, and smaller to leveling influential effect.
Further, the buffer gear further includes at least two telescopic rods for being hinged on supporting block side, described flexible
Bar pulls supporting block in supporting block swing, to constrain the amplitude of fluctuation of supporting block.This setting can avoid supporting block pendulum
The dynamic excessive generation of amplitude is vibrated and influences stable structure.
Further, the telescopic rod is built-in with sensor, for detecting the stroke and swing angle of telescopic rod.It passes
Sensor can digitize the stroke of telescopic rod and swing angle, so that operator changes corresponding rectify according to the variation of numerical value
Flat parameter.
Further, former and later two sides of the supporting block are cambered surface, and supporting block front and back sides are respectively that steel plate enters
Direction and removal direction, this setting be avoid supporting block from colliding during the swing with bracket and generate noise and
Shorten the service life of bracket.
Further, the upper pressure roller passes through the multiple hydraulic cylinders realization being arranged on bracket and moves up and down, described hydraulic
The upper and lower ends of cylinder are separately connected bracket and supporting block.Multiple hydraulic cylinders can make supporting block uniform force, this setting is applicable
In different-thickness steel plate and apply different pressing forces to steel plate, be conducive to adjust leveling effect.
Further, it being set on front side of the bracket there are two counter-rotational push rolls, two push rolls are arranged up and down, and
Positioned at the front end of upper and lower pressure roller, for clamping and pushing steel plate between pressure roller up and down.The push rolls of setting have been shared above and below
Pressure roller pushes the power of steel plate, mitigates external force suffered by upper and lower pressure roller, further decreases the probability that upper and lower pressure roller is fractureed by hardness.
The application method of above-mentioned plate-levelling machine, includes the following steps:
Step 1, push rolls position is adjusted, so that push rolls is clamped steel plate upper and lower surface, and push away between up and down pressure roller by rotating
Send steel plate；
Step 2, when steel plate and lower compression roller overlap, the upper and lower position of pressure roller, makes upper and lower pressure roller clamp the upper following table of steel plate in adjustment
Face, upper and lower pressure roller start simultaneously at rotation, and steel plate is pushed to rear side on front side of bracket；
Step 3, the buffer gear being connected with upper pressure roller drives upper pressure roller mobile, and the surface curvature for making pressure roller adapt to steel plate becomes
Shape, to buffer steel plate to the impact force of upper and lower pressure roller.
In application method, buffer gear is connected with upper pressure roller, easy to operate, and effectively buffering steel plate is to upper and lower pressure roller
Impact force reduces the probability that hardness fracture occurs for upper and lower pressure roller.
Further, in step 2, upper pressure roller is moved up and down by hydraulic cylinder realization.Hydraulic cylinder is structure simply and exports
High-efficient component can control pressure roller and more smoothly move, and control effect is preferable.
Further, it is equipped in step 3, in buffer gear positioned at the supporting block of upper pressure roller end and positioned at supporting block side
The telescopic rod in face, supporting block can swing, and drive upper pressure roller mobile, telescopic rod pulls supporting block to limit the pendulum of supporting block
Dynamic amplitude is additionally provided with sensor in telescopic rod, to detect the stroke and swing angle of telescopic rod, and then controls upper pressure roller
It is mobile.Buffer gear controls shift position and the swing angle of upper pressure roller, and during the swing, steel plate is to upper and lower pressure roller
Impact force is buffered, and buffer gear can prevent the excessive stability for influencing plate-levelling machine of amplitude of fluctuation.
The invention has the benefit that plate-levelling machine setting buffer gear makes upper and lower pressure roller be suitable for steel plate
Surface curvature deformation reduces the probability that hardness fracture occurs for upper and lower pressure roller to buffer steel plate to the impact force of upper and lower pressure roller；
Plate-levelling machine application method is easy to operate, good buffer effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of plate-levelling machine；
Fig. 2 is the structural schematic diagram of plate-levelling machine other direction；
In figure: 1- bracket；The upper pressure roller of 2-；3- lower compression roller；4- supporting block；5- telescopic rod；6- hydraulic cylinder；7- push rolls；8- driving
Motor group；A- cambered surface.
Specific embodiment
Below with reference to attached drawing of the invention, the technical solution of the embodiment of the present invention is explained and illustrated, but following realities
It applies example to be merely a preferred embodiment of the present invention, and not all.Based on the implementation example in the implementation mode, those skilled in the art are not having
Obtained other embodiments under the premise of creative work are made, protection scope of the present invention is belonged to.
The plate-levelling machine of the present embodiment including acting the bracket 1 fixed and supported, is arranged as depicted in figs. 1 and 2
Multiple upper pressure rollers 2 and lower compression roller 3 on bracket 1, the steel plate to leveling are passed through between upper and lower pressure roller 2,3, and upper and lower
Pressure roller 2,3 squeezes, and the upper pressure roller 2 and lower compression roller 3 rotate backward simultaneously interlaced arrangement, and the upper pressure roller 2 can move up and down, and lead to
It crosses the buffer gear being arranged on bracket 1 to deform with the surface curvature for adapting to steel plate, to buffer steel plate to upper and lower pressure roller 2,3
Impact force, reduce the probability that hardness fracture occurs for upper and lower pressure roller 2,3.
During leveling of plates, the effect that lower compression roller 3 primarily serves support and steel plate is pushed to advance, upper pressure roller 2 is to steel plate
The purpose of applying pressing force, being able to steel plate during traveling by leveling, set structure moving up and down for upper pressure roller 2 be
Prevent the position of steel plate from moving, this is because the both ends of steel plate direction of travel are easily not located at together if lower compression roller 3 is removable
It on one horizontal line, easily deforms in upper and lower pressure roller 2,3 extrusion processes, leveling effect is bad, influences on steel plate subsequent operation
It is larger；Buffer gear is connected with upper pressure roller 2, has effectively buffered steel plate to the impact force of upper and lower pressure roller 2,3, pressure roller 2 is sent out in reduction
The probability of harshness fracture.
The buffer gear includes the supporting block 4 that upper 2 both ends of pressure roller are arranged in, and the supporting block 4 connects with 1 activity of bracket
It connects, and swing during leveling of plates, for buffering steel plate to the impact force of upper and lower pressure roller 2,3.Supporting block 4 is swung
Upper 2 fine motion of pressure roller is driven in the process, and buffering effect is obvious, and smaller to leveling influential effect.
The buffer gear further includes two telescopic rods 5 for being hinged on 4 side of supporting block, is stretched used in the present embodiment
Bar 5 is hydraulic stem, and the upper end of telescopic rod 5 and bracket 1 are hinged, and the telescopic rod 5 pulls supporting block in 4 swing of supporting block
4, to constrain the amplitude of fluctuation of supporting block 4.This setting can avoid the excessive generation vibration of 4 amplitude of fluctuation of supporting block and influence structure
Stablize.
The telescopic rod 5 is built-in with sensor, for detecting the stroke and swing angle of telescopic rod 5.Sensor can
The stroke of telescopic rod 5 and swing angle are digitized, so that operator changes corresponding leveling ginseng according to the variation of numerical value
Number.
Former and later two sides of the supporting block 4 are cambered surface A, and 4 front and back sides of supporting block are respectively the direction that steel plate enters
With the direction of removal, this setting is to avoid supporting block 4 from colliding during the swing with bracket 1 and generate noise and shortening
The service life of bracket 1.
The upper pressure roller 2 is moved up and down by the realization of the multiple hydraulic cylinders 6 that are arranged on bracket 1, the hydraulic cylinder 6 it is upper
Lower both ends are separately connected bracket 1 and supporting block 4.Multiple hydraulic cylinders 6 can make 4 uniform force of supporting block, this setting is applicable to
The steel plate of different-thickness simultaneously applies different pressing forces to steel plate, is conducive to adjust leveling effect.
The front side of the bracket 1 is set there are two counter-rotational push rolls 7, two about 7 push rolls arrangements, and is located at
The front end of upper and lower pressure roller 2,3, for clamping and pushing steel plate between pressure roller 2,3 up and down.The push rolls 7 of setting are shared
Upper and lower pressure roller 2,3 pushes the power of steel plate, mitigates external force suffered by upper and lower pressure roller 2,3, further decreases upper and lower pressure roller 2,3 quilts
The probability that hardness fractures.
Upper and lower pressure roller 2,3 and push rolls 7, which are realized with the driving motor group 8 for being located at 1 side of bracket, to be rotated.
The application method of plate-levelling machine includes the following steps:
Step 1,7 position of push rolls is adjusted, so that push rolls 7 is clamped steel plate upper and lower surface, and by rotating up and down pressure roller 2,3
Between push steel plate；
Step 2, it when steel plate and lower compression roller 3 overlap, is stretched by the hydraulic cylinder 6 being connect with upper pressure roller 2 to adjust the upper of upper pressure roller 2
Lower position makes upper and lower pressure roller 2,3 clamp the upper and lower surface of steel plate, and upper and lower pressure roller 2,3 starts simultaneously at rotation, by steel plate from bracket
1 front side pushes to rear side；Hydraulic cylinder 6 is the component that structure is simple and delivery efficiency is high, and it is more steady can to control pressure roller 2
Movement, control effect is preferable；
Step 3, the buffer gear being connected with upper pressure roller 2 drives upper pressure roller 2 mobile, and pressure roller 2 is made to adapt to the surface curvature of steel plate
Deformation, to buffer steel plate to the impact force of upper and lower pressure roller；In buffer gear be equipped with positioned at upper 2 end of pressure roller supporting block 4 with
And the telescopic rod 5 positioned at 4 side of supporting block, supporting block 4 can swing, and drive upper pressure roller 2 mobile, telescopic rod 5 pulls branch
Bracer 4 is additionally provided with sensor in telescopic rod 5 to limit the amplitude of fluctuation of supporting block 4, with detect telescopic rod 5 stroke and
Swing angle, and then control the movement of upper pressure roller 2.Buffer gear controls shift position and the swing angle of upper pressure roller 2, is putting
During dynamic, steel plate buffers the impact force of upper and lower pressure roller 2,3, and buffer gear can prevent the excessive influence of amplitude of fluctuation
The stability of plate-levelling machine.
In application method, buffer gear is connected with upper pressure roller 2, easy to operate, and effectively buffering steel plate is to upper and lower pressure roller
Impact force reduces the probability that hardness fracture occurs for upper and lower pressure roller 2,3.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, is familiar with
Person skilled in art should be understood that the present invention including but not limited to attached drawing and above content described in specific embodiment.
Any modification without departing from function and structure principle of the invention is intended to be included in the scope of the claims.
Claims (10)
1. multiple upper pressure rollers on bracket are arranged in under including acting the bracket fixed and supported in a kind of plate-levelling machine
Pressure roller, the steel plate to leveling is passed through between upper and lower pressure roller, and is squeezed by upper and lower pressure roller, which is characterized in that the upper pressure roller
It is rotated backward with lower compression roller and interlaced arrangement, the upper pressure roller can move up and down, and the buffer gear by being arranged on bracket
To adapt to the surface curvature deformation of steel plate.
2. plate-levelling machine according to claim 1, which is characterized in that the buffer gear includes being arranged in upper pressure roller two
The supporting block at end, the supporting block are flexibly connected with bracket, and swing during leveling of plates, for buffering steel plate pair
The impact force of upper and lower pressure roller.
3. plate-levelling machine according to claim 2, which is characterized in that the buffer gear further includes at least two hinged
Telescopic rod in supporting block side, the telescopic rod pull supporting block in supporting block swing, to constrain the pendulum of supporting block
Dynamic amplitude.
4. plate-levelling machine according to claim 3, which is characterized in that the telescopic rod is built-in with sensor, for examining
Survey the stroke and swing angle of telescopic rod.
5. plate-levelling machine according to claim 2, which is characterized in that former and later two sides of the supporting block are arc
Face.
6. plate-levelling machine according to claim 2, which is characterized in that the upper pressure roller is more on bracket by being arranged in
A hydraulic cylinder realization moves up and down, and the upper and lower ends of the hydraulic cylinder are separately connected bracket and supporting block.
7. plate-levelling machine according to claim 1, which is characterized in that rotated backward there are two being set on front side of the bracket
Push rolls, two push rolls are arranged up and down, and are located at the front end of upper and lower pressure roller, for clamping and pushing away between pressure roller up and down
Send steel plate.
8. a kind of application method of plate-levelling machine, which comprises the steps of:
Step 1, push rolls position is adjusted, so that push rolls is clamped steel plate upper and lower surface, and push away between up and down pressure roller by rotating
Send steel plate；
Step 2, when steel plate and lower compression roller overlap, the upper and lower position of pressure roller, makes upper and lower pressure roller clamp the upper following table of steel plate in adjustment
Face, upper and lower pressure roller start simultaneously at rotation, and steel plate is pushed to rear side on front side of bracket；
Step 3, the buffer gear being connected with upper pressure roller drives upper pressure roller mobile, and the surface curvature for making pressure roller adapt to steel plate becomes
Shape, to buffer steel plate to the impact force of upper and lower pressure roller.
9. the application method of plate-levelling machine according to claim 8, which is characterized in that in step 2, upper pressure roller passes through liquid
Cylinder pressure realization moves up and down.
10. the application method of plate-levelling machine according to claim 9, which is characterized in that in step 3, in buffer gear
Equipped with the supporting block and telescopic rod positioned at supporting block side for being located at upper pressure roller end, supporting block can swing, and drive
Upper pressure roller is mobile, and telescopic rod pulls supporting block to limit the amplitude of fluctuation of supporting block, sensor is additionally provided in telescopic rod, with detection
The stroke and swing angle of telescopic rod, and then control the movement of upper pressure roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811642332.4A CN109570270A (en) | 2018-12-29 | 2018-12-29 | A kind of plate-levelling machine and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811642332.4A CN109570270A (en) | 2018-12-29 | 2018-12-29 | A kind of plate-levelling machine and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109570270A true CN109570270A (en) | 2019-04-05 |
Family
ID=65932905
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811642332.4A Pending CN109570270A (en) | 2018-12-29 | 2018-12-29 | A kind of plate-levelling machine and its application method |
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| CN (1) | CN109570270A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238724A (en) * | 2019-06-28 | 2019-09-17 | 王景隆 | A kind of side grinding device of cold-rolled steel sheet |
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