CN213826415U - Working roll for curling rolling mill - Google Patents
Working roll for curling rolling mill Download PDFInfo
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- CN213826415U CN213826415U CN202022480631.1U CN202022480631U CN213826415U CN 213826415 U CN213826415 U CN 213826415U CN 202022480631 U CN202022480631 U CN 202022480631U CN 213826415 U CN213826415 U CN 213826415U
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Abstract
The utility model belongs to the rolling mill field of curling, in order to solve that there is the curling roller fourth row bearing department hardness of 1150 crimping machines among the technique 10-15HS higher than other three rows, stress concentration, easily produce crackle, fracture, fall sediment and locking scheduling problem, need frequently to change the curling roller, increase workman intensity of labour not good problem of economic benefits simultaneously, the utility model discloses a roll body, fixed axle, roll body are circular cylinder structure, and the fixed axle setting is at roll body cylinder length direction's both ends, and the fixed axle is the cylinder structure, and the third section of fixed axle has arcuation axle and connecting portion to constitute, and the radian of arcuation axle one end can make fourth row bearing can bear bigger radial load and impact force, reduces and changes the frequency, improves work efficiency.
Description
Technical Field
The utility model belongs to the rolling mill field of curling, concretely relates to work roll for curling rolling mill.
Background
The rolling mill is a rolling mill plant auxiliary apparatus for rolling a hot-rolled or cold-rolled steel material into a roll shape, in a hot strip continuous rolling mill (hot continuous rolling mill train), a cold strip continuous rolling mill, and a wire rolling mill; arranged after the finishing stand and mounted before and after the rolling mill on a single stand reversible cold strip rolling mill. In addition, it is also installed in various finishing units such as continuous pickling line, slitting, annealing, coating, etc.
However, the hardness of the fourth row of bearings of the crimping roller of the existing 1150 crimping machine is 10-15HS higher than that of the other three rows, the problems of crack, fracture, slag falling, locking and the like are easily caused due to stress concentration, the crimping roller needs to be frequently replaced, the labor intensity of workers is increased, and meanwhile, the economic benefit is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a work roll for curling rolling mill, solved among the prior art 1150 crimping machine curling roll fourth row bearing department hardness than other three rows high 10-15HS, stress concentration, easily produce crackle, fracture, fall the sediment and lock the scheduling problem, need frequently change the curling roll, increase workman intensity of labour not good problem of economic benefits simultaneously.
In order to solve the technical problem, the utility model discloses a roll body, fixed axle, the roll body is circular cylinder structure, the fixed axle sets up roll body cylinder length direction's both ends, the fixed axle is cylinder structure.
The fixed shaft comprises a first shaft section, a second shaft section and a third shaft section, the main body of the third shaft section is of a circular cylinder structure, the third shaft section further comprises an arc-shaped shaft and a connecting part, the main body of the arc-shaped shaft is of a cylinder structure, two ends of the arc-shaped shaft in the length direction are respectively connected with the second shaft section and the connecting part, and one end of the connecting part, far away from the arc-shaped shaft, is fixedly connected with one end of the roller in the length direction;
one end of the arc-shaped shaft in the length direction, which is close to the second shaft section, is of a curved surface structure, the total length of the arc-shaped shaft is 40mm, and the length of a curved surface arc is 3 mm.
The first shaft section is of a circular cylinder structure, one end of the first shaft section in the length direction is connected with the second shaft section, the main body of the second shaft section is of a circular cylinder structure, one end of the second shaft section in the length direction is connected with the first shaft section, and one end of the second shaft section in the length direction, far away from the first shaft section, is connected with the arc shaft of the third shaft section.
The connecting part main body is in a circular truncated cone shape, the bottom surface of the circular truncated cone of the connecting part is connected with one end of the roller body in the length direction, the top surface of the circular truncated cone is connected with one end, away from the second shaft section, of the arc-shaped shaft in the length direction, and the circular diameter of the bottom surface of the circular truncated cone of the connecting part is larger than that of the top surface of the circular truncated cone of the connecting part;
the axis of the circular truncated cone of the connecting part is superposed with the axis of the roller body.
The diameter of the bottom surface of the circular truncated cone of the connecting part is smaller than that of the circular bottom surface of the circular cylinder of the roller body, and the diameter of the top surface of the circular truncated cone of the connecting part is the same as that of an end face of the arc shaft, which is far away from the second shaft section.
According to some embodiments of the invention, the axis of the first shaft section, the axis of the second shaft section, the axis of the third shaft section and the axis of the roll body coincide.
According to the utility model discloses a few embodiments, first shaft part the second shaft part the third shaft part and the roll body is the integrated into one piece structure, guarantees the fixed axle can bear bigger radial loading power and impact force.
According to some embodiments of the utility model, the arcuation axle with connecting portion are integrated into one piece structure, make the fourth row bearing row junction can be firmer.
According to the utility model discloses a some embodiments, still be formed with the fixed slot on the first shaft section, the fixed slot is followed first shaft section outer wall circumference extends and forms, the fixed slot can make the curling roller can not produce the displacement at the operation in-process, improves stability.
According to some embodiments of the utility model, first shaft section cylinder outer wall diameter is less than second shaft section cylinder outer wall diameter, second shaft section outer wall diameter with third shaft section length direction is kept away from a terminal surface diameter of roll body is the same.
According to some embodiments of the invention, the fixed shaft and the outer wall of the roller body are plated with an oxidation-resistant plating layer.
The utility model has the advantages that:
compared with the prior art, the utility model creatively adopts the arc-shaped shaft, and the arc-shaped shaft can enable the fourth row of bearings to bear larger radial load and impact force;
the four bearing rows of the curling roller of the 1150 mill can be stressed more uniformly;
the service life of the fourth row of bearings is prolonged, and the consumption speed of the bearings of the rolling mill is reduced;
the assembly frequency of workers is reduced, and the labor efficiency is improved;
effectively reducing the locking rate and the slag dropping rate of the bearing.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an overall structure of a preferred embodiment of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a schematic view of the structure of the part a of the present invention.
In the figure:
1. a roller body; 2. a fixed shaft; 201. a first shaft section; 2011. fixing grooves; 202. a second shaft section; 203. a third shaft section; 2031. an arc-shaped shaft; 2032. a connecting portion;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to solve the technical problem, the utility model discloses a roll body 1, fixed axle 2, roll body 1 are circular cylinder structure, and fixed axle 2 sets up at 1 cylinder length direction's of roll body both ends, and fixed axle 2 is the cylinder structure.
The fixed shaft 2 comprises a first shaft section 201, a second shaft section 202 and a third shaft section 203, the main body of the third shaft section 203 is of a circular cylindrical structure, the third shaft section 203 further comprises an arc-shaped shaft 2031 and a connecting part 2032, the main body of the arc-shaped shaft 2031 is of a cylindrical structure, two ends of the arc-shaped shaft 2031 in the length direction are respectively connected with the second shaft section 202 and the connecting part 2032, and one end of the connecting part 2032, which is far away from the arc-shaped shaft 2031, is fixedly connected with one end of the roller body 1 in the length direction;
one end of the arc-shaped shaft 2031 in the length direction near the second shaft section 202 is a curved surface structure, the total length of the arc-shaped shaft 2031 is 40mm, and the curved surface arc length is 3 mm.
The first shaft section 201 is a circular cylinder structure, one end of the first shaft section 201 in the length direction is connected with the second shaft section 202, the main body of the second shaft section 202 is a circular cylinder structure, one end of the second shaft section 202 in the length direction is connected with the first shaft section 201, and one end of the second shaft section 202 in the length direction, which is far away from the first shaft section 201, is connected with the arc shaft 2031 of the third shaft section 203.
The connecting part 2032 is mainly in a circular truncated cone shape, the bottom surface of the circular truncated cone of the connecting part 2032 is connected with one end of the roller body 1 in the length direction, the top surface of the circular truncated cone is connected with one end of the arc-shaped shaft 2031 in the length direction far away from the second shaft section 202, and the circular diameter of the bottom surface of the circular truncated cone of the connecting part 2032 is larger than that of the top surface of the circular truncated cone of the connecting part 2032;
the axis of the circular truncated cone of the connecting portion 2032 coincides with the axis of the roller body 1.
The diameter of the bottom surface of the circular truncated cone of the connecting part 2032 is smaller than that of the circular bottom surface of the circular column of the roller body 1, and the diameter of the top surface of the circular truncated cone of the connecting part 2032 is the same as that of the circular diameter of one end surface of the arc-shaped shaft 2031 far away from the second shaft section 202.
According to some embodiments of the present invention, the axis of the first shaft segment 201, the axis of the second shaft segment 202, the axis of the third shaft segment 203 and the axis of the roll body 1 coincide.
According to the utility model discloses a some embodiments, first shaft segment 201, second shaft segment 202, third shaft segment 203 and roll body 1 are the integrated into one piece structure, guarantee that fixed axle 2 can bear bigger radial loading power and impact force.
According to some embodiments of the present invention, the arc-shaped shaft 2031 and the connecting portion 2032 are integrally formed, so that the joint of the fourth row of bearing rows can be firmer.
According to the utility model discloses a some embodiments still are formed with fixed slot 2011 on the first shaft segment 201, and fixed slot 2011 forms along the extension of first shaft segment 201 outer wall circumference, and fixed slot 2011 can make the curling roller can not produce the displacement at the operation in-process, improves stability.
According to some embodiments of the utility model, first shaft section 201 cylinder outer wall diameter is less than second shaft section 202 cylinder outer wall diameter, and second shaft section 202 outer wall diameter is the same with a terminal surface diameter that roll body 1 was kept away from to third shaft section 203 length direction.
According to some embodiments of the present invention, the outer wall of the fixing shaft 2 and the roller body 1 is plated with an oxidation-resistant plating layer.
The utility model discloses when using, with the fixed axle 2 bearing cooperation of the 1150 rolling mill that curls, wherein the fourth row bearing is installed with arcuation axle 2031 cooperation.
The utility model discloses when using, with the fixed axle and the fixed bearing cooperation of the 1150 rolling mill that curls, wherein fourth row bearing and arcuation axle cooperation installation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The working roll for the curling rolling mill is characterized by comprising a roll body (1) and a fixed shaft (2), wherein the roll body (1) is of a circular cylinder structure, the fixed shaft (2) is arranged at two ends of the roll body (1) in the length direction of the cylinder, and the fixed shaft (2) is of a cylinder structure;
the fixed shaft (2) comprises a first shaft section (201), a second shaft section (202) and a third shaft section (203), the main body of the third shaft section (203) is of a circular cylinder structure, the third shaft section (203) further comprises an arc-shaped shaft (2031) and a connecting part (2032), the main body of the arc-shaped shaft (2031) is of a cylinder structure, two ends of the arc-shaped shaft (2031) in the length direction are respectively connected with the second shaft section (202) and the connecting part (2032), and one end, far away from the arc-shaped shaft (2031), of the connecting part (2032 is fixedly connected with one end of the roller body (1) in the length direction;
one end of the arc-shaped shaft (2031) in the length direction, which is close to the second shaft section (202), is of a curved surface structure, the total length of the arc-shaped shaft (2031) is 40mm, and the arc length of the curved surface is 3 mm;
the first shaft section (201) is of a circular cylinder structure, one end of the first shaft section (201) in the cylinder length direction is connected with the second shaft section (202), the main body of the second shaft section (202) is of a circular cylinder structure, one end of the second shaft section (202) in the cylinder length direction is connected with the first shaft section (201), and one end of the second shaft section (202) in the length direction, far away from the first shaft section (201), is connected with the arc-shaped shaft (2031) of the third shaft section (203);
the main body of the connecting part (2032) is in a circular truncated cone shape, the bottom surface of the circular truncated cone of the connecting part (2032) is connected with one end of the roller body (1) in the length direction, the top surface of the circular truncated cone is connected with one end of the arc-shaped shaft (2031) in the length direction far away from the second shaft section (202), and the circular diameter of the bottom surface of the circular truncated cone of the connecting part (2032) is larger than that of the top surface of the circular truncated cone of the connecting part (2032);
the axis of the circular truncated cone of the connecting part (2032) is superposed with the axis of the roller body (1);
the diameter of the bottom surface of the circular truncated cone of the connecting portion (2032) is smaller than that of the circular bottom surface of the circular cylinder of the roller body (1), and the diameter of the top surface of the circular truncated cone of the connecting portion (2032) is the same as that of an end surface of the arc-shaped shaft (2031) far away from the second shaft section (202).
2. A work roll for a rolling mill according to claim 1, characterized in that the axis of the first shaft section (201), the axis of the second shaft section (202), the axis of the third shaft section (203) and the axis of the roll body (1) coincide.
3. A work roll for a rolling mill according to claim 1, characterized in that the first shaft section (201), the second shaft section (202), the third shaft section (203) and the roll body (1) are of an integrally formed structure.
4. The work roll for a rolling mill according to claim 1, characterized in that the first shaft segment (201) is further formed with a fixing groove (2011), and the fixing groove (2011) is formed to extend circumferentially along the outer wall of the first shaft segment (201).
5. A work roll for a rolling mill according to claim 1, characterized in that the diameter of the cylindrical outer wall of the first shaft section (201) is smaller than the diameter of the cylindrical outer wall of the second shaft section (202), and the diameter of the outer wall of the second shaft section (202) is the same as the diameter of an end face of the third shaft section (203) which is away from the roll body (1) in the length direction.
6. The work roll for a curling mill according to claim 1, wherein the outer wall of the fixed shaft (2) and the roll body (1) are plated with an oxidation-resistant plating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022480631.1U CN213826415U (en) | 2020-10-30 | 2020-10-30 | Working roll for curling rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022480631.1U CN213826415U (en) | 2020-10-30 | 2020-10-30 | Working roll for curling rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213826415U true CN213826415U (en) | 2021-07-30 |
Family
ID=77012797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022480631.1U Active CN213826415U (en) | 2020-10-30 | 2020-10-30 | Working roll for curling rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213826415U (en) |
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2020
- 2020-10-30 CN CN202022480631.1U patent/CN213826415U/en active Active
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