CN219745850U - Cold rolling line tension measuring roller connection structure - Google Patents
Cold rolling line tension measuring roller connection structure Download PDFInfo
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- CN219745850U CN219745850U CN202320883427.5U CN202320883427U CN219745850U CN 219745850 U CN219745850 U CN 219745850U CN 202320883427 U CN202320883427 U CN 202320883427U CN 219745850 U CN219745850 U CN 219745850U
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- bearing
- tension measuring
- measuring roller
- roller
- tension
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- 238000005097 cold rolling Methods 0.000 title claims abstract description 26
- 239000010687 lubricating oil Substances 0.000 claims abstract description 26
- 239000003921 oil Substances 0.000 claims description 37
- 238000007789 sealing Methods 0.000 claims description 34
- 238000009434 installation Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 238000006748 scratching Methods 0.000 abstract 1
- 230000002393 scratching effect Effects 0.000 abstract 1
- 241001131688 Coracias garrulus Species 0.000 description 112
- 238000005461 lubrication Methods 0.000 description 20
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model belongs to a cold-rolling line tension roller connecting structure in the technical field of cold-rolling lines. The tension measuring roller comprises a tension measuring roller shaft (1), the tension measuring roller shaft (1) is fixedly connected with a tension measuring roller body (2), one end of the tension measuring roller shaft (1) is inserted into a first bearing (4) inner ring in a first bearing seat (3), the other end of the tension measuring roller shaft (1) is inserted into a second bearing (6) inner ring in a second bearing seat (5), a first L-shaped lubricating oil hole (7) is formed in the first bearing seat (3), the first L-shaped lubricating oil hole (7) extends to the position of the first bearing (4), a second L-shaped lubricating oil hole (8) is formed in the second bearing seat (5), and the second L-shaped lubricating oil hole (8) extends to the position of the second bearing (6). The connection structure of the tension measuring roller of the cold rolling line has reliable and stable performance in the working process, improves the working efficiency of roller changing, prolongs the service life of the tension measuring roller, avoids scratching the surface of strip steel in batches and protects the quality of strip steel products.
Description
Technical Field
The utility model belongs to the technical field of cold rolling lines, and particularly relates to a connection structure of tension measuring rollers of a cold rolling line.
Background
The cold rolling line tension measuring roller is a passive roller, and the following problems easily occur in the production process: when bearing damage faults occur, a new roller in the existing structure must be replaced, so that the time consumption is long, and the production line operation rate is affected; secondly, the oil gas lubrication of the tension measuring roller is not smooth, oil shortage cannot be found in time, the tension measuring roller is easy to become dead roller, the quality problem that batch scratch is easy to occur on the surface of strip steel contacted with the tension measuring roller is caused, the degradation rate of products is greatly increased, and orders cannot be delivered. Thirdly, the bolts at the flange surfaces at the two ends are easy to cut off, so that the risk of quality problems is increased. Fourthly, the roll shaft and the roll body of the tension measuring roll are of a separation structure, the roll body rotates relative to the roll shaft, oil gas enters the inside of the roll, dynamic balance of the roll body is affected, the tension measuring roll is dithered in the rolling process, tension fluctuation measured by the tension meter is caused, tension control in the rolling mill is affected, and risks such as rolling breakage and vibration patterns on the surface of strip steel are increased.
In the prior art, the technology named as sealing device for preventing emulsion from entering a tension roller bearing seat and disclosed as 218325833U comprises a framework oil seal, an oil slinger, a sealing cover and an emulsion collecting tank, wherein the oil slinger is fixedly connected to a tension roller shaft, the sealing cover is fixedly connected with a bearing seat and covers the outside of the oil slinger, the framework oil seal is connected between the sealing cover and the oil slinger, and the sealing cover is connected with the emulsion collecting tank.
However, this technique does not relate to the technical problem and technical solution of the present utility model.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: aiming at the defects of the prior art, the cold rolling line tension measuring roller connecting structure is simple in structure, and through the change of the connecting structure and the change of the lubrication oil supply mode, the tension measuring roller is reliable and stable in performance in the working process, the working efficiency of roller changing is improved, the service life of the tension measuring roller is prolonged, the surfaces of strip steel are prevented from being scratched in batches, and products are protected.
The technical scheme adopted by the utility model is as follows:
the utility model relates to a tension measuring roller connecting structure of a cold rolling line, which comprises a tension measuring roller shaft, wherein a tension measuring roller body is arranged on the outer ring of the tension measuring roller shaft, the tension measuring roller shaft is fixedly connected with the tension measuring roller body, one end of the tension measuring roller shaft is inserted into an inner ring of a first bearing in a first bearing seat, the other end of the tension measuring roller shaft is inserted into an inner ring of a second bearing in a second bearing seat, a first L-shaped lubricating oil hole is arranged on the first bearing seat, the first L-shaped lubricating oil hole extends to the position of the first bearing, a second L-shaped lubricating oil hole is arranged on the second bearing seat, and the second L-shaped lubricating oil hole extends to the position of the second bearing.
One end of the first bearing seat, which is close to the tension measuring roller body, is provided with a first framework oil seal.
One end of the second bearing close to the tension measuring roller body is provided with a second framework oil seal.
One end of the tension measuring roller shaft is provided with a first sealing end cover, and the first sealing end cover is connected with one end of the tension measuring roller shaft through a first bolt.
The other end of the tension measuring roller shaft is provided with a second sealing end cover, and the second sealing end cover is connected with the end part of the other end of the tension measuring roller shaft through a second bolt.
A cavity is formed between the outer side of the first bearing and the first sealing end cover, and a cavity is formed between the inner side of the first bearing and the inner wall of the first bearing seat.
A cavity is formed between the outer side of the second bearing and the second sealing end cover, and a cavity is formed between the inner side of the second bearing and the inner wall of the second bearing seat.
The first bearing is installed in the first bearing installation cavity of the first bearing seat, a first annular concave table recessed is arranged in the first bearing installation cavity, the first L-shaped lubricating oil hole is communicated with the first annular concave table, and the first annular concave table is communicated with a cavity between the outer side of the first bearing and the first sealing end cover.
The second bearing is arranged in a second bearing mounting cavity of the second bearing seat, a second annular concave table which is recessed is arranged in the second bearing mounting cavity, the second L-shaped lubricating oil hole is communicated with the second annular concave table, and the second annular concave table is communicated with a cavity between the outer side of the second bearing and the second sealing end cover.
The roller shaft of the tension measuring roller is sleeved with a first roller end flange close to one end, and the first roller end flange is attached to one end of the roller body of the tension measuring roller; the roller shaft of the tension measuring roller is close to the other end and sleeved with a second roller end flange, and the second roller end flange is attached to the other end of the tension measuring roller body.
By adopting the technical scheme of the utility model, the working principle and the beneficial effects are as follows:
the utility model relates to a cold rolling line tension roller connecting structure, which is characterized in that the improvement scheme is as follows: firstly, redesigning the structure of the end part of the roller body, namely, arranging an inner ring of a first bearing of which one end of a roller shaft of a tension measuring roller is inserted in a first bearing seat, and arranging an inner ring of a second bearing of which the other end of the roller shaft of the tension measuring roller is inserted in a second bearing seat, so that the bearing is externally connected with the roller shaft, when the bearing is damaged, the bearing can be replaced, the whole tension measuring roller does not need to be replaced, the replacement time is short, and the production line operation cannot be influenced for a long time; secondly, oil gas lubrication of the bearings is changed into direct bearing oil supply, namely each L-shaped lubrication oil hole 7 is directly extended to the position corresponding to the bearing, oil supply is carried out, lubrication effect is effectively guaranteed, lubrication of the bearings, a roll shaft and a bearing seat is protected, service life is prolonged, and most important point is that the bearings are reliably connected, a tension measuring roll cannot become dead rolls, batch scratch of the surface of a plate and strip is effectively avoided, and production of high-surface-requirement plates is ensured; thirdly, set up to fixed connection structure between roll body and the roller, roller and roll body synchronous rotation roller change the relative motion of roll body and roller, eliminate the shearing force in each position of roll body, improve and survey a roller life.
Drawings
The following is a brief description of what is expressed in the drawings of this specification and the references in the drawings:
FIG. 1 is a schematic structural view of a cold-rolling line tension roller connecting structure according to the utility model;
FIG. 2 is an enlarged schematic view of a first bearing seat part of the cold-rolling line tension roller connecting structure;
FIG. 3 is an enlarged schematic view of a second bearing seat part of the cold-rolled wire tension measuring roller connecting structure according to the present utility model;
the reference numerals in the figures are respectively: 1. measuring a roll shaft of a tension roll; 2. a tension measuring roller body; 3. a first bearing seat; 4. a first bearing; 5. a second bearing seat; 6. a second bearing; 7. a first L-shaped lubrication oil hole; 8. a second L-shaped lubrication oil hole; 9. a first framework oil seal; 10. a second framework oil seal; 11. a first seal end cap; 12. a first bolt; 13. a second seal end cap; 14. a second bolt; 15. a cavity; 16. a first bearing mounting cavity; 17. a first annular recess; 18. a second bearing mounting cavity; 19. a second annular recess; 20. a first roll end flange; 21. and a second roll end flange.
Detailed Description
The following describes the shape, structure, mutual position and connection relation between parts, action of parts and working principle of the specific embodiment of the present utility model by describing examples in further detail:
as shown in fig. 1-3, the utility model relates to a tension measuring roller connecting structure of a cold rolling line, wherein a tension measuring roller comprises a tension measuring roller shaft 1, a tension measuring roller shaft 2 is arranged on the outer ring of the tension measuring roller shaft 1, the tension measuring roller shaft 1 is fixedly connected with the tension measuring roller shaft 2, one end of the tension measuring roller shaft 1 is inserted into an inner ring of a first bearing 4 in a first bearing seat 3, the other end of the tension measuring roller shaft 1 is inserted into an inner ring of a second bearing 6 in a second bearing seat 5, a first L-shaped lubricating oil hole 7 is arranged on the first bearing seat 3, the first L-shaped lubricating oil hole 7 extends to the position of the first bearing 4, a second L-shaped lubricating oil hole 8 is arranged on the second bearing seat 5, and the second L-shaped lubricating oil hole 8 extends to the position of the second bearing 6. The structure provides an improved technical scheme aiming at the defects in the prior art. The improvement starts from three aspects: firstly, redesigning the structure of the end part of the roller body, setting the structure as an inner ring of a first bearing 4 with one end of a tension roller shaft 1 inserted in a first bearing seat 3, and inserting the other end of the tension roller shaft 1 into an inner ring of a second bearing 6 in a second bearing seat 5, so that the connection between the bearing and the roller shaft is external connection, when the bearing is damaged, the bearing can be replaced, the whole tension roller does not need to be replaced, the replacement time is short, and the production line operation is not influenced for a long time; secondly, oil gas lubrication of the bearings is changed into direct bearing oil supply, namely each L-shaped lubrication oil hole 7 is directly extended to the position corresponding to the bearing, oil supply is carried out, lubrication effect is effectively guaranteed, lubrication of the bearings, a roll shaft and a bearing seat is protected, service life is prolonged, and most important point is that the bearings are reliably connected, a tension measuring roll cannot become dead rolls, batch scratch of the surface of a plate and strip is effectively avoided, and production of high-surface-requirement plates is ensured; thirdly, set up to fixed connection structure between roll body and the roller, roller and roll body synchronous rotation roller, just so changed the relative motion of roll body and roller, eliminated the shearing force at each position of roll body, improved the life of survey tension roller. The connecting structure of the tension roller of the cold rolling line is simple in structure, and the tension roller is reliable and stable in performance in the working process through the change of the connecting structure and the change of the lubrication oil supply mode, so that the working efficiency of roller replacement is improved, the service life of the tension roller is prolonged, the surfaces of strip steel are prevented from being scratched in batches, and the quality of strip steel products is protected.
One end of the first bearing seat 3, which is close to the tension roller body 2, is provided with a first framework oil seal 9. With the structure, the first framework oil seal 9 plays a role in supporting and sealing the first bearing seat and the first bearing.
The second framework oil seal 10 is arranged at one end of the second bearing 5, which is close to the tension measuring roller body 2. With the structure, the second framework oil seal plays a role in supporting and sealing the second bearing and the second bearing.
One end of the tension measuring roller shaft 1 is provided with a first sealing end cover 11, and the first sealing end cover 11 is connected with one end of the tension measuring roller shaft 1 through a first bolt 12. The tension measuring roller shafts 1 comprise two roller bodies, and each end of each roller body is fixedly connected with one roller shaft through a flange. With the structure, the first sealing end cover 11 is reliably connected with the roll shaft, and plays a role in supporting and sealing the first bearing seat and the first bearing.
The second sealing end cover 13 is arranged at the other end of the tension measuring roller shaft 1, and the second sealing end cover 13 is connected to the other end of the tension measuring roller shaft 1 through a second bolt 14. With the structure, the second sealing end cover is reliably connected with the roll shaft, and plays a role in supporting and sealing the second bearing seat and the second bearing.
A cavity 15 is formed between the outer side of the first bearing 4 and the first sealing end cover 11, and a cavity 15 is formed between the inner side of the first bearing 4 and the inner wall of the first bearing seat 3. With the above structure, the lubricant oil supplied from the first L-shaped lubricant hole 7 is reliably stored in the cavity position when lubrication is performed.
A cavity 15 is formed between the outer side of the second bearing 6 and the second seal end cover 13, and a cavity 15 is formed between the inner side of the second bearing 6 and the inner wall of the second bearing seat 5. With the above structure, the lubrication oil supplied from the second L-shaped lubrication hole 8 is reliably stored in the cavity.
The first bearing 4 is arranged in a first bearing installation cavity 16 of the first bearing seat 3, a first annular concave table 17 recessed is arranged in the first bearing installation cavity 16, the first L-shaped lubricating oil hole 7 is communicated with the first annular concave table 17, and the first annular concave table 17 is communicated with a cavity 15 between the outer side of the first bearing 4 and the first sealing end cover 11. With the above structure, the lubricating oil supplied from the first L-shaped lubricating oil hole 7 reliably enters and is stored in the first annular concave table 17, so that the first bearing is reliably lubricated.
The second bearing 6 is installed in the second bearing installation cavity 18 of the second bearing seat 5, a second annular concave table 19 recessed is arranged in the second bearing installation cavity 18, the second L-shaped lubricating oil hole 8 is communicated with the second annular concave table 19, and the second annular concave table 19 is communicated with the cavity 15 between the outer side of the second bearing 6 and the second sealing end cover 13. With the above structure, the lubricating oil supplied from the second L-shaped lubricating oil hole 8 reliably enters and is stored in the second annular concave 19, thereby reliably lubricating the second bearing.
The roller shaft 1 of the tension roller is sleeved with a first roller end flange 20 near one end, and the first roller end flange 20 is attached to one end of the roller body 2 of the tension roller; the second roller end flange 21 is sleeved on the other end of the tension roller shaft 1, and the second roller end flange 21 is attached to the other end of the tension roller body 2. With the structure, the flange at each end is reliably connected with the roll shaft and the roll body, and the flange and the corresponding roll body are in a structure without relative movement.
The utility model relates to a cold rolling line tension roller connecting structure, which is characterized in that the improvement scheme is as follows: firstly, redesigning the structure of the end part of the roller body, namely, arranging an inner ring of a first bearing of which one end of a roller shaft of a tension measuring roller is inserted in a first bearing seat, and arranging an inner ring of a second bearing of which the other end of the roller shaft of the tension measuring roller is inserted in a second bearing seat, so that the bearing is externally connected with the roller shaft, when the bearing is damaged, the bearing can be replaced, the whole tension measuring roller does not need to be replaced, the replacement time is short, and the production line operation cannot be influenced for a long time; secondly, oil gas lubrication of the bearings is changed into direct bearing oil supply, namely each L-shaped lubrication oil hole 7 is directly extended to the position corresponding to the bearing, oil supply is carried out, lubrication effect is effectively guaranteed, lubrication of the bearings, a roll shaft and a bearing seat is protected, service life is prolonged, and most important point is that the bearings are reliably connected, a tension measuring roll cannot become dead rolls, batch scratch of the surface of a plate and strip is effectively avoided, and production of high-surface-requirement plates is ensured; thirdly, set up to fixed connection structure between roll body and the roller, roller and roll body synchronous rotation roller change the relative motion of roll body and roller, eliminate the shearing force in each position of roll body, improve and survey a roller life.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the specific implementation of the utility model is not limited by the foregoing, but rather is within the scope of the utility model as long as various modifications are made by the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model are directly applied to other occasions without modification.
Claims (10)
1. A cold rolling line tension measuring roller connection structure is characterized in that: the tension measuring roller comprises a tension measuring roller shaft (1), a tension measuring roller shaft (1) is provided with a tension measuring roller shaft body (2), the tension measuring roller shaft (1) is fixedly connected with the tension measuring roller shaft body (2), one end of the tension measuring roller shaft (1) is inserted into an inner ring of a first bearing (4) in a first bearing seat (3), the other end of the tension measuring roller shaft (1) is inserted into an inner ring of a second bearing (6) in a second bearing seat (5), a first L-shaped lubricating oil hole (7) is formed in the first bearing seat (3), the first L-shaped lubricating oil hole (7) extends to the position of the first bearing (4), a second L-shaped lubricating oil hole (8) is formed in the second bearing seat (5), and the second L-shaped lubricating oil hole (8) extends to the position of the second bearing (6).
2. The cold-rolling line tension roller connecting structure according to claim 1, wherein: one end of the first bearing seat (3) close to the tension roller body (2) is provided with a first framework oil seal (9).
3. The cold-rolling line tension roller connecting structure according to claim 1, wherein: one end of the second bearing seat (5) close to the tension measuring roller body (2) is provided with a second framework oil seal (10).
4. The cold-rolling line tension roller connecting structure according to claim 1, wherein: one end of the tension measuring roller shaft (1) is provided with a first sealing end cover (11), and the first sealing end cover (11) is connected to one end of the tension measuring roller shaft (1) through a first bolt (12).
5. The cold-rolling line tension roller connecting structure according to claim 1 or 2, characterized in that: the second sealing end cover (13) is arranged at the other end of the tension measuring roller shaft (1), and the second sealing end cover (13) is connected to the end part of the other end of the tension measuring roller shaft (1) through a second bolt (14).
6. A cold-rolling line tension roller connecting structure according to claim 1 or 3, characterized in that: a cavity (15) is formed between the outer side of the first bearing (4) and the first sealing end cover (11), and a cavity (15) is formed between the inner side of the first bearing (4) and the inner wall of the first bearing seat (3).
7. The cold-rolling line tension roller connecting structure according to claim 5, wherein: a cavity (15) is formed between the outer side of the second bearing (6) and the second sealing end cover (13), and a cavity (15) is formed between the inner side of the second bearing (6) and the inner wall of the second bearing (5).
8. The cold-rolling line tension roller connecting structure according to claim 6, wherein: the first bearing (4) is arranged in a first bearing installation cavity (16) of the first bearing seat (3), a first annular concave table (17) which is concave is arranged in the first bearing installation cavity (16), the first L-shaped lubricating oil hole (7) is communicated with the first annular concave table (17), and the first annular concave table (17) is communicated with a cavity (15) between the outer side of the first bearing (4) and the first sealing end cover (11).
9. The cold-rolling line tension roller connecting structure according to claim 1, wherein: the second bearing (6) is arranged in a second bearing installation cavity (18) of the second bearing seat (5), a second annular concave table (19) which is concave is arranged in the second bearing installation cavity (18), the second L-shaped lubricating oil hole (8) is communicated with the second annular concave table (19), and the second annular concave table (19) is communicated with a cavity (15) between the outer side of the second bearing (6) and the second sealing end cover (13).
10. The cold-rolling line tension roller connecting structure according to claim 1, wherein: a first roller end flange (20) is sleeved at one end, close to the roller shaft (1), of the tension measuring roller, and the first roller end flange (20) is attached to one end of the roller body (2) of the tension measuring roller; the second roller end flange (21) is sleeved on the other end of the tension measuring roller shaft (1), and the second roller end flange (21) is attached to the other end of the tension measuring roller body (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320883427.5U CN219745850U (en) | 2023-04-19 | 2023-04-19 | Cold rolling line tension measuring roller connection structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320883427.5U CN219745850U (en) | 2023-04-19 | 2023-04-19 | Cold rolling line tension measuring roller connection structure |
Publications (1)
Publication Number | Publication Date |
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CN219745850U true CN219745850U (en) | 2023-09-26 |
Family
ID=88073834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202320883427.5U Active CN219745850U (en) | 2023-04-19 | 2023-04-19 | Cold rolling line tension measuring roller connection structure |
Country Status (1)
Country | Link |
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CN (1) | CN219745850U (en) |
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2023
- 2023-04-19 CN CN202320883427.5U patent/CN219745850U/en active Active
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