CN116673333B - Device for correcting roll shape of roller and rolling mill - Google Patents
Device for correcting roll shape of roller and rolling mill Download PDFInfo
- Publication number
- CN116673333B CN116673333B CN202310944377.1A CN202310944377A CN116673333B CN 116673333 B CN116673333 B CN 116673333B CN 202310944377 A CN202310944377 A CN 202310944377A CN 116673333 B CN116673333 B CN 116673333B
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- frame
- bearing seat
- elastic connecting
- roller
- seat
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- 238000005096 rolling process Methods 0.000 title claims abstract description 39
- 238000005452 bending Methods 0.000 claims abstract description 36
- 238000003825 pressing Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005056 compaction Methods 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010405 anode material Substances 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
- B21B2013/021—Twin mills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention provides a device for correcting the shape of a roller and a rolling mill, which belong to the technical field of rolling equipment, and comprise a frame, an upper press roller and a lower press roller, wherein the upper press roller is arranged at the upper part of the frame through upper bearing seats at two ends; a lower bending cylinder is arranged on the outer side of the lower bearing seat, two ends of the lower bending cylinder are respectively hinged to the lower ends of the lower bearing seat and the frame, and the lower bending cylinder drives the lower bearing seat to bend the lower press roller; the outside of bolster is equipped with the kickup jar, and the both ends of kickup jar are articulated the upper end of bolster and frame respectively, and bolster passes through elastic connection spare with the frame to be connected, is equipped with the rotor between bolster and the frame, and the kickup jar drives bolster and rotates in order to crooked upper compression roller through the rotor. The device for correcting the roll shape of the roller can correct the problem of uneven rolling gap caused by deflection deformation of the roller.
Description
Technical Field
The invention belongs to the technical field of rolling equipment, and particularly relates to a device for correcting a roll shape of a roller and a rolling mill.
Background
The lithium battery consists of a battery core, electrolyte, a protection circuit and an external shell, wherein the battery core comprises an anode material, a cathode material and a diaphragm. The positive electrode material and the negative electrode material are both called battery pole pieces, in order to improve the energy density, the cycle life and other performances of the battery pole pieces, the requirements of various large battery manufacturers on the manufacturing process of the lithium battery are continuously improved, and particularly, the rolling process is to improve the consistency of the high compaction density and the compaction thickness of the pole pieces, and the index is the most basic and important index for the rolling process of the battery. In short, the rolling process of the battery pole piece is that the battery pole piece is pulled between the rotating rollers by friction force generated between the rollers and the battery pole piece, and the battery pole piece is extruded and deformed by the rollers.
The rolling mill for the lithium battery pole piece is one of main equipment of a battery pole piece production line, and consists of an unreeling machine, a rolling host machine, a reeling machine and the like, so that the width of the pole piece on the market is wider and wider, and the width of the pole piece is wider and wider from the common width of 800mm to the current pole piece with the width of more than 1400 mm. Therefore, the width of the required roller surface of the roller is wider and wider, compared with the roller with the same diameter, the wider the roller surface is, the larger the deflection deformation of the roller is, and the larger the deflection deformation of the roller is, so that the consistency of the compaction thickness of the pole piece is reduced, which is unacceptable by various manufacturers, and the important problem to be faced and solved by the roller press is also.
At present, a rolling mill on the market generally applies reverse pressure to a roller, namely a roller bending cylinder device, so as to realize correction of deflection deformation of the roller. However, the common roller cylinder device in the market is limited by a roller fixing mode, and can only play a certain role in deformation, so that the problem of uneven rolling gaps caused by deflection deformation of the pressing roller is difficult to solve.
Disclosure of Invention
The invention aims to provide a device for correcting the roll shape of a roller, which aims to solve the problem of uneven rolling clearance caused by deflection deformation of the roller.
In order to achieve the above purpose, the invention adopts the following technical scheme: the device for correcting the roll shape of the roller comprises a frame, an upper pressing roll and a lower pressing roll, wherein the upper pressing roll is arranged on the upper part of the frame through upper bearing seats at two ends, the lower pressing roll is arranged on the lower part of the frame through lower bearing seats at two ends, and a rolling gap is formed between the upper pressing roll and the lower pressing roll;
a lower bending cylinder is arranged on the outer side of the lower bearing seat, two ends of the lower bending cylinder are respectively hinged to the lower bearing seat and the lower end of the frame, and the lower bending cylinder drives the lower bearing seat to bend the lower press roller;
the outside of bolster is equipped with the kickup jar, the both ends of kickup jar are articulated respectively bolster with the upper end of frame, bolster with the frame passes through elastic connection spare and is connected, bolster with be equipped with the rotor between the frame, the kickup jar drives bolster passes through the rotor rotates with crooked the upper pressure roller.
In one possible implementation manner, a lower connecting seat is fixed on the outer side of the lower bearing seat, a lower fixing seat is fixed on the outer side of the lower end of the rack, and two ends of the lower bending cylinder are respectively hinged with the lower connecting seat and the lower fixing seat on the same side; the outer side of the upper bearing seat is fixedly provided with an upper connecting seat, the outer side of the upper end of the frame is fixedly provided with an upper fixing seat, and two ends of the upper bending cylinder are respectively hinged with the upper connecting seat and the upper fixing seat on the same side.
In one possible implementation manner, the rotator includes an upper connecting block and a lower connecting block, the upper connecting block is fixedly connected to the frame, the lower connecting block is fixedly connected to the upper end of the upper bearing seat, an arc-shaped rotating surface is formed on the lower end surface of the upper connecting block, the upper end surface of the upper connecting block is a matching plane, the arc-shaped rotating surface and the matching plane form a line contact structure, and the direction of the line contact structure is perpendicular to the axial direction of the upper pressing roller.
In one possible implementation manner, the elastic connecting piece longitudinally penetrates through the upper end of the rack from top to bottom, and the lower end of the elastic connecting piece is connected with the upper bearing seat.
In one possible implementation manner, the elastic connecting piece comprises an elastic connecting screw rod, the elastic connecting screw rod longitudinally penetrates through the upper end of the frame from top to bottom, an upper nut connected with the frame is arranged at the upper end of the elastic connecting screw rod, and a lower nut connected with the upper bearing seat is arranged at the lower end of the elastic connecting screw rod.
In one possible implementation manner, the top of the frame is provided with a counter bore and a through hole which is communicated with the counter bore and is longitudinally formed, the elastic connecting screw penetrates through the through hole, the upper nut is located in the counter bore, a lock nut is arranged at the top of the elastic connecting screw, a central rotating assembly is arranged between the lock nut and the upper nut, and the elastic connecting screw rotates along with the upper bearing seat by taking the central rotating assembly as a rotating center.
In one possible implementation manner, the center rotating assembly comprises a lower rotating sleeve and an upper rotating sleeve, the lower rotating sleeve is fixedly arranged on the upper end face of the upper nut, the lower rotating sleeve and the upper nut are coaxially arranged, the upper end face of the lower rotating sleeve is provided with a spherical concave surface, the upper rotating sleeve and the upper nut are coaxially arranged, the lower end face of the upper rotating sleeve is provided with a spherical convex surface, the lower end of the upper rotating sleeve and the upper end of the lower rotating sleeve are in press fit, and the spherical convex surface and the spherical concave surface are in press fit.
The device for correcting the roll shape of the roller has the beneficial effects that: compared with the prior art, the outer sides of the lower bearing seats at the two ends of the lower pressing roller are provided with the lower bending cylinder which is respectively hinged with the lower end of the frame and the lower bearing seats. The outer sides of upper bearing seats at the two ends of the upper press roller are provided with upper bending cylinders which are respectively hinged with the upper end of the frame and the upper bearing seats, the upper bearing seats are connected with the frame through elastic connecting pieces, and a rotating body is arranged between the upper bearing seats and the frame.
After the rolling mill is used for a period of time, the rolling gap between the upper pressing roller and the lower pressing roller can be deformed due to the deflection of the pressing roller, so that the middle gap of the rolling mill is enlarged, the thickness of the middle part of the pole piece is enlarged, and the rolling quality of the pole piece is affected. The two lower bearing seats are driven to move upwards through the action of the lower bending cylinder, and the lower press roller is close to the upper press roller, so that the rolling gap is reduced. Simultaneously, the upper press roller drives the two upper bearing seats to move downwards, at the moment, the upper bearing seats can realize displacement in a certain range under the premise that the upper bearing seats and the frame are kept connected by matching with the elastic connecting piece under the action of the rotating body, the upper bearing seats can rotate outwards when moving downwards, at the moment, the upper press roller moves downwards, the upper press roller integrally forms radian deformation with the middle part bent downwards, and the problem of inconsistent width of a rolling gap caused by deflection deformation of the middle part of the press roller can be solved. The device for correcting the roll shape of the roller can correct the problem of uneven rolling gap caused by deflection deformation of the roller.
The invention also provides a rolling mill comprising the device for correcting the roll shape of the roller.
The device of the rolling mill has the beneficial effects that: compared with the prior art, the device for correcting the roll shape of the roller has the same beneficial effects as the device for correcting the roll shape of the roller, can correct the roll shape of the roller, ensures normal operation of a rolling mill and ensures rolling quality of a lithium battery pole piece.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an apparatus for roll shape correction according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a partial enlarged view at B in fig. 2.
Reference numerals illustrate:
1. a frame; 2. an upper press roll; 3. a lower press roll; 4. an upper bearing seat; 5. a lower bearing seat; 6. a lower bending cylinder; 7. a bending cylinder; 8. a lower connecting seat; 9. a lower fixing seat; 10. an upper connecting seat; 11. an upper fixing seat; 12. an upper connecting block; 13. a lower connecting block; 14. an arc-shaped rotating surface; 15. a mating plane; 16. an elastic connecting screw; 17. an upper nut; 18. a lower nut; 19. countersink; 20. a through hole; 21. a lock nut; 22. a lower rotating sleeve; 23. an upper rotating sleeve; 24. a spherical concave surface; 25. a spherical convex surface; 26. and an elastic gasket.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, an apparatus for roll shape correction according to the present invention will now be described. The device for correcting the roll shape of the roll comprises a frame 1, an upper press roll 2 and a lower press roll 3, wherein the upper press roll 2 is arranged at the upper part of the frame 1 through upper bearing seats 4 at two ends, the lower press roll 3 is arranged at the lower part of the frame 1 through lower bearing seats 5 at two ends, and a rolling gap is formed between the upper press roll 2 and the lower press roll 3; the outer side of the lower bearing pedestal 5 is provided with a lower bending cylinder 6, two ends of the lower bending cylinder 6 are respectively hinged to the lower ends of the lower bearing pedestal 5 and the frame 1, and the lower bending cylinder 6 drives the lower bearing pedestal 5 to bend the lower press roller 3; the outside of bolster bearing housing 4 is equipped with the kickup jar 7, and the both ends of kickup jar 7 articulate the upper end of bolster bearing housing 4 and frame 1 respectively, and bolster bearing housing 4 passes through the elastic connection spare with frame 1 to be connected, is equipped with the rotor between bolster bearing housing 4 and frame 1, and kickup jar 7 drives bolster bearing housing 4 and rotates in order to crooked upper pressure roller 2 through the rotor.
Compared with the prior art, the device for correcting the roll shape of the roller is characterized in that the lower bending cylinder 6 is arranged on the outer side of the lower bearing seat 5 at the two ends of the lower pressing roll 3, and the lower bending cylinder 6 is hinged with the lower end of the frame 1 and the lower bearing seat 5 respectively. The outside of the upper bearing seat 4 at the two ends of the upper press roll 2 is provided with an upper bending cylinder 7, the upper bending cylinder 7 is respectively hinged with the upper end of the frame 1 and the upper bearing seat 4, the upper bearing seat 4 is connected with the frame 1 through an elastic connecting piece, and a rotating body is arranged between the upper bearing seat 4 and the frame 1.
After the rolling mill is used for a period of time, the rolling gap between the upper press roll 2 and the lower press roll 3 can be deformed due to the deflection of the press rolls, so that the middle gap is enlarged, the thickness of the middle part of the pole piece is enlarged, and the rolling quality of the pole piece is affected. The two lower bearing seats 5 are driven to move upwards through the action of the lower bending cylinder 6, and the lower press roll 3 is close to the upper press roll 2 so as to reduce the rolling gap. Meanwhile, the upper press roll 2 drives the two upper bearing seats 4 to move downwards, at the moment, under the action of the rotating body, the upper bearing seats 4 can realize displacement in a certain range under the premise that the upper bearing seats 4 and the frame 1 are kept connected by matching with the elastic connecting piece, the upper bearing seats 4 can rotate outwards when moving downwards, at the moment, the upper press roll 2 moves downwards to the press roll 3, the upper press roll 2 integrally forms radian deformation with the middle part bent downwards, and the problem of inconsistent width of a rolling gap caused by deflection deformation of the middle part of the press roll can be solved. The device for correcting the roll shape of the roller can correct the problem of uneven rolling gap caused by deflection deformation of the roller.
Referring to fig. 1, a lower connecting seat 8 is fixed on the outer side of a lower bearing seat 5, a lower fixing seat 9 is fixed on the outer side of the lower end of a frame 1, and two ends of a lower bending cylinder 6 are respectively hinged with the lower connecting seat 8 and the lower fixing seat 9 on the same side; an upper connecting seat 10 is fixed on the outer side of the upper bearing seat 4, an upper fixing seat 11 is fixed on the outer side of the upper end of the frame 1, and two ends of the upper bending cylinder 7 are respectively hinged with the upper connecting seat 10 and the upper fixing seat 11 on the same side.
The lower connecting seat 8 and the upper connecting seat 10 are both connecting seats with aligning roller bearings, the lower bending cylinder 6 is hinged with the lower connecting seat 8 and the lower fixing seat 9 through a pin shaft and a baffle, and the upper bending cylinder 7 is hinged with the upper connecting seat 10 and the upper fixing seat 11 through a pin shaft and a baffle.
Referring to fig. 1 and 2, the rotator includes an upper connecting block 12 and a lower connecting block 13, the upper connecting block 12 is fixedly connected to the frame 1, the lower connecting block 13 is fixedly connected to the upper end of the upper bearing seat 4, the lower end surface of the upper connecting block 12 forms an arc-shaped rotating surface 14, the upper end surface of the upper connecting block 12 is a matching plane 15, the arc-shaped rotating surface 14 and the matching plane 15 form a line contact structure, and the direction of the line contact structure is perpendicular to the axial direction of the upper press roller 2.
An arc-shaped rotating surface 14 is formed on the lower end surface of the upper connecting block 12, a matching plane 15 is formed on the upper end surface of the lower connecting block 13, after the upper press roll 2 is installed in place, the upper connecting block 12 and the lower connecting block 13 are in press fit, the arc-shaped rotating surface 14 and the matching plane 15 are in mutual abutting connection, the arc-shaped rotating surface 14 and the matching plane 15 form a line contact structure, the line contact structure forms a contact line, and the contact line is perpendicular to the axial direction of the upper press roll 2. The upper bending cylinder 7 is started, the upper bending cylinder 7 pulls the upper bearing seat 4 upwards, the upper bearing seat 4 takes the arc-shaped rotating surface 14 as a rotating surface, the contact area of the upper bearing seat 4 and the arc-shaped rotating surface 14 is a contact line which continuously moves outwards, that is, the upper connecting block 12 and the lower connecting block 13 are always in a line contact mode, the upper bearing seat 4 rotates outwards, and therefore the middle part of the upper pressing roll 2 bends downwards to compensate the overlarge rolling gap in the middle part of the upper pressing roll 2 caused by deflection deformation.
Referring to fig. 2, the elastic connecting member longitudinally penetrates the upper end of the frame 1 from top to bottom, and the lower end of the elastic connecting member is connected with the upper bearing seat 4. The elastic connecting piece comprises an elastic connecting screw rod 16, the elastic connecting screw rod 16 longitudinally penetrates through the upper end of the frame 1 from top to bottom, an upper nut 17 connected with the frame 1 is arranged at the upper end of the elastic connecting screw rod 16, and a lower nut 18 connected with the upper bearing seat 4 is arranged at the lower end of the elastic connecting screw rod 16. The upper end of the elastic connecting screw rod 16 is connected to the frame 1 by the upper nut 17, the elastic connecting screw rod 16 is connected to the upper bearing seat 4 by the lower nut 18, and on the premise of realizing the connection between the upper bearing seat 4 and the frame 1 based on the elastic characteristic of the elastic connecting screw rod 16, the upper bearing seat and the frame 1 can be relatively displaced by virtue of the elasticity of the upper bearing seat and the frame, so that the lower bearing seat 5 can rotate outwards relative to the frame 1.
Specifically, counter bore 19 and the longitudinal through hole 20 of opening of intercommunication counter bore 19 are offered at the top of frame 1, and the external diameter of counter bore 19 is greater than the external diameter of through hole 20, thereby both communicate and form the shoulder hole. The elastic connecting screw 16 penetrates through the through hole 20, the upper nut 17 is located in the counter bore 19, the lower end of the elastic connecting screw 16 penetrates out of the through hole 20 and is in threaded connection with the upper end of the upper bearing seat 4, and the lower nut 18 is in threaded installation at the lower end of the elastic connecting screw 16, so that stable connection between the elastic connecting screw 16 and the upper bearing seat 4 is achieved.
In addition, a lock nut 21 is mounted on the top thread of the elastic connection screw 16, a central rotation component is arranged between the lock nut 21 and the upper nut 17, the elastic connection screw 16 rotates along with the upper bearing seat 4 by taking the central rotation component as a rotation center, at this time, the elastic connection screw 16 corresponds to the rotation radius of the upper bearing seat 4, the central rotation component corresponds to the rotation center of the upper bearing seat 4, and when the upper bearing seat 4 rotates outwards, the elastic connection screw 16 forms a pendulum structure and can be matched with the rotation of the upper bearing seat 4.
Wherein, the mounting means of elastic connection screw rod 16 has two kinds, in first mode, through the rotor that upper connecting block 12 and lower connecting block 13 constitute, set up two on same bolster bearing housing 4, there is the installation clearance between the two, elastic connection screw rod 16 runs through this installation clearance and connects bolster bearing housing 4 and frame 1, realize above-mentioned connection through the mode of dodging the rotor, this mode mainly realizes cooperating bolster bearing housing 4 outwards to rotate through the self deformation of elastic connection screw rod 16 of installation clearance department, possess higher resilience force, can realize resetting after the completion of correction, the follow-up of being convenient for continues to accomplish the correction of roll shape. In the second mode, the through hole 20 is a tapered hole, the inner diameter of the through hole is gradually increased from top to bottom, or the through hole 20 is a fan-shaped hole, the width of the through hole is gradually increased from top to bottom, when the elastic connecting bolt rotates outwards along with the upper bearing seat 4, the elastic connecting bolt swings outwards in a tilting manner by taking the upper end central rotating component as a rotating center, and at the moment, the tapered hole or the fan-shaped hole can provide corresponding space for the swing of the elastic connecting bolt, so that the resilience force of the elastic connecting bolt is reduced, and the compression roller is easier to correct.
Referring to fig. 3, the central rotating assembly includes a lower rotating sleeve 22 and an upper rotating sleeve 23, the lower rotating sleeve 22 is integrally formed on the upper end surface of the upper nut 17, the lower rotating sleeve 22 is coaxially disposed with the upper nut 17, the upper end surface of the lower rotating sleeve 22 is provided with a spherical concave surface 24, the upper rotating sleeve 23 is coaxially disposed with the upper nut 17, the lower end surface of the upper rotating sleeve 23 is provided with a spherical convex surface 25, and an elastic washer 26 at the lower part of the upper rotating sleeve 23 is pressed on the upper rotating sleeve 23 by using a lock nut 21, so that the lower end of the upper rotating sleeve 23 is in press fit with the upper end of the lower rotating sleeve 22, at this time, the spherical convex surface 25 of the upper rotating sleeve 23 is in press fit with the spherical concave surface 24 of the lower rotating sleeve 22, so that spherical cooperation of the spherical convex surface 25 and the spherical concave surface 24 is realized, and the rotation center of the elastic connecting screw 16 is formed, and the elastic connecting screw 16 swings to satisfy a larger range of roll shape correction, and the central rotating assembly is suitable for correcting longer rolls.
Based on the same inventive concept, the invention also provides a rolling mill, which uses the device for correcting the roll shape of the roller, so that the device has the same beneficial effects as the device for correcting the roll shape of the roller, can realize the correction of the roll shape of the roller, ensures the normal operation of the rolling mill and ensures the rolling quality of a lithium battery pole piece.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (3)
1. The device for correcting the roll shape of the roll is characterized by comprising a frame (1), an upper press roll (2) and a lower press roll (3), wherein the upper press roll (2) is arranged at the upper part of the frame (1) through upper bearing seats (4) at two ends, the lower press roll (3) is arranged at the lower part of the frame (1) through lower bearing seats (5) at two ends, and a roll gap is formed between the upper press roll (2) and the lower press roll (3);
a lower bending cylinder (6) is arranged on the outer side of the lower bearing seat (5), two ends of the lower bending cylinder (6) are respectively hinged to the lower bearing seat (5) and the lower end of the frame (1), and the lower bending cylinder (6) drives the lower bearing seat (5) to bend the lower press roller (3);
the upper bearing seat (4) is provided with an upper bending cylinder (7) at the outer side, two ends of the upper bending cylinder (7) are respectively hinged to the upper bearing seat (4) and the upper end of the frame (1), the upper bearing seat (4) is connected with the frame (1) through an elastic connecting piece, a rotating body is arranged between the upper bearing seat (4) and the frame (1), and the upper bending cylinder (7) drives the upper bearing seat (4) to rotate through the rotating body so as to bend the upper pressing roller (2);
the elastic connecting piece longitudinally penetrates through the upper end of the frame (1) from top to bottom, and the lower end of the elastic connecting piece is connected with the upper bearing seat (4);
the elastic connecting piece comprises an elastic connecting screw rod (16), the elastic connecting screw rod (16) longitudinally penetrates through the upper end of the frame (1) from top to bottom, an upper nut (17) connected with the frame (1) is arranged at the upper end of the elastic connecting screw rod (16), and a lower nut (18) connected with the upper bearing seat (4) is arranged at the lower end of the elastic connecting screw rod (16);
a counter bore (19) and a through hole (20) which is communicated with the counter bore (19) and is longitudinally formed in the top of the frame (1), the elastic connecting screw (16) penetrates through the through hole (20), the upper nut (17) is positioned in the counter bore (19), a lock nut (21) is arranged at the top of the elastic connecting screw (16), a central rotating assembly is arranged between the lock nut (21) and the upper nut (17), and the elastic connecting screw (16) rotates along with the upper bearing seat (4) by taking the central rotating assembly as a rotating center;
the center rotating assembly comprises a lower rotating sleeve (22) and an upper rotating sleeve (23), the lower rotating sleeve (22) is fixedly arranged on the upper end face of the upper nut (17), the lower rotating sleeve (22) and the upper nut (17) are coaxially arranged, a spherical concave surface (24) is arranged on the upper end face of the lower rotating sleeve (22), the upper rotating sleeve (23) and the upper nut (17) are coaxially arranged, a spherical convex surface (25) is arranged on the lower end face of the upper rotating sleeve (23), the lower end of the upper rotating sleeve (23) is in press fit with the upper end of the lower rotating sleeve (22), and the spherical convex surface (25) is in rotating fit with the spherical concave surface (24);
the elastic connecting screw (16) corresponds to the rotation radius of the upper bearing seat (4), the central rotation assembly corresponds to the rotation center of the upper bearing seat (4), when the upper bearing seat (4) rotates outwards, the spherical convex surface (25) and the spherical concave surface (24) are matched to form the rotation center of the elastic connecting screw (16), the elastic connecting screw (16) forms a pendulum structure, and the rotation of the upper bearing seat (4) can be matched;
the through hole (20) is a conical hole, the inner diameter of the through hole is gradually increased from top to bottom, or the through hole (20) is a fan-shaped hole, the width of the through hole is gradually increased from top to bottom, and when the elastic connecting bolt rotates outwards along with the upper bearing seat (4), the elastic connecting screw (16) swings outwards in an inclined mode by taking the upper end center rotating component as a rotating center.
2. A device for correcting roll shape according to claim 1, characterized in that the outer side of the lower bearing seat (5) is fixed with a lower connecting seat (8), the outer side of the lower end of the frame (1) is fixed with a lower fixing seat (9), and two ends of the lower bending cylinder (6) are respectively hinged with the lower connecting seat (8) and the lower fixing seat (9) on the same side; an upper connecting seat (10) is fixed on the outer side of the upper bearing seat (4), an upper fixing seat (11) is fixed on the outer side of the upper end of the frame (1), and two ends of the upper bending cylinder (7) are respectively hinged with the upper connecting seat (10) and the upper fixing seat (11) on the same side.
3. A rolling mill comprising a device for roll shape correction according to claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310944377.1A CN116673333B (en) | 2023-07-31 | 2023-07-31 | Device for correcting roll shape of roller and rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310944377.1A CN116673333B (en) | 2023-07-31 | 2023-07-31 | Device for correcting roll shape of roller and rolling mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116673333A CN116673333A (en) | 2023-09-01 |
| CN116673333B true CN116673333B (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310944377.1A Active CN116673333B (en) | 2023-07-31 | 2023-07-31 | Device for correcting roll shape of roller and rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116673333B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2451249Y (en) * | 2000-11-29 | 2001-10-03 | 宝山钢铁股份有限公司 | Hydraulic cylinder spacer block for rolling mill |
| JP2014121711A (en) * | 2012-12-20 | 2014-07-03 | Ono Roll Kk | Thin film-like electrode plate rolling method and press rolling machine used for this method |
| CN213451059U (en) * | 2020-11-11 | 2021-06-15 | 秦皇岛海德科技有限公司 | Pump-controlled roll bending hydraulic system of lithium battery pole piece rolling mill and roll bending device |
| CN114872362A (en) * | 2022-05-12 | 2022-08-09 | 惠州市信宇人科技有限公司 | Upper roller supporting structure of roller press and roller press |
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| DE102011018874B3 (en) * | 2011-04-28 | 2012-08-30 | Saueressig Gmbh + Co. Kg | Roller arrangement with a device for regulating the nip and method for controlling the nip in a roller assembly |
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| CN2451249Y (en) * | 2000-11-29 | 2001-10-03 | 宝山钢铁股份有限公司 | Hydraulic cylinder spacer block for rolling mill |
| JP2014121711A (en) * | 2012-12-20 | 2014-07-03 | Ono Roll Kk | Thin film-like electrode plate rolling method and press rolling machine used for this method |
| CN213451059U (en) * | 2020-11-11 | 2021-06-15 | 秦皇岛海德科技有限公司 | Pump-controlled roll bending hydraulic system of lithium battery pole piece rolling mill and roll bending device |
| CN114872362A (en) * | 2022-05-12 | 2022-08-09 | 惠州市信宇人科技有限公司 | Upper roller supporting structure of roller press and roller press |
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