CN215918637U - Efficient is finish roll ring cooling device in advance - Google Patents
Efficient is finish roll ring cooling device in advance Download PDFInfo
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- CN215918637U CN215918637U CN202122244757.3U CN202122244757U CN215918637U CN 215918637 U CN215918637 U CN 215918637U CN 202122244757 U CN202122244757 U CN 202122244757U CN 215918637 U CN215918637 U CN 215918637U
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Abstract
The utility model relates to an efficient pre-finishing roll ring cooling device which comprises a pre-finishing roll box (1), wherein a roll shaft (2) is connected onto the pre-finishing roll box, a roll ring (3) is sleeved outside the roll shaft (2), two arc-shaped cooling pipes (5) are arranged above the roll ring (3) side by side, and one side, which is opposite to the roll ring (3), of each cooling pipe (5) is provided with a group of cooling nozzles (6); the cooling pipe (5) comprises a first cooling pipe (51) and a second cooling pipe (52), the first cooling pipe (51) and the second cooling pipe are fixed on the pre-finishing rolling box (1), a first threaded opening (51 a) is formed in the first cooling pipe (51), the first threaded opening (51 a) is connected with the first conveying pipe (7), a second threaded opening (52 a) is formed in one end of the second cooling pipe (52), and the second threaded opening (52 a) is connected with the second conveying pipe (8). The utility model has the advantages of improving the cooling efficiency of the roll collar, prolonging the service life of the roll collar and improving the surface quality of finished wire rods.
Description
Technical Field
The utility model relates to the technical field of metallurgical cooling equipment, in particular to a high-efficiency pre-finishing roll ring cooling device.
Background
The high-speed steel roll collar is used in the high-speed wire rod factory pre-finishing mill group during rolling, and the billet is subjected to plastic deformation through the extrusion of the high-speed steel roll collar so as to meet the target size, shape and performance.
And heating the steel billets of the high-speed wire rod plant to the austenite conversion temperature by a heating furnace, discharging the steel billets from the furnace for rolling, performing rough and medium rolling, and performing pre-finish rolling for rolling. Because the tapping temperature of the heating furnace is extremely high, the temperature of the billet is still over 800 ℃ when the billet is rolled to the pre-finish rolling. If the roll collar is not cooled, the roll collar can be quickly burnt due to high temperature, cracks and pitted surfaces appear on the groove surface, so that the surface quality of finished wire rods cannot meet the product requirement, the production is influenced, and the replacement cost of the roll collar is increased.
The traditional technology is that a cooling water pipe is adopted to cool a pre-finishing roll ring, and the roll ring is often damaged in the unplanned roll changing time, so that the surface of a finished wire rod is in a problem, and the maintenance time of equipment is prolonged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems of low efficiency, poor effect and short service life of a roll collar of the existing pre-finishing roll collar cooling equipment, and provides an efficient pre-finishing roll collar cooling device, which increases the flow of cooling water, improves the cooling efficiency of the roll collar, reduces the temperature of the roll collar during use, prolongs the service life of the roll collar and improves the surface quality of finished wire rods.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an efficient pre-finishing roller ring cooling device comprises a pre-finishing roller box, wherein a roller shaft is connected to the pre-finishing roller box, a roller ring and a roller ring cap assembly are sleeved outside the roller shaft, two arc-shaped cooling pipes are arranged above the roller ring side by side, and one side of each cooling pipe, which faces the roller ring, is provided with a group of cooling nozzles for cooling the roller ring by spraying cooling water;
the cooling pipe includes first cooling pipe and second cooling pipe, and on the two was fixed in the finish rolling case in advance, the both ends of first cooling pipe were the blind end, and was equipped with first screw thread mouth on it, and first screw thread mouth links to each other with first conveyer pipe, and the one end of second cooling pipe is equipped with the second screw thread mouth for blind end, the other end, and the second screw thread mouth links to each other with the second conveyer pipe to be used for leading into the cooling pipe with the cooling water through the conveyer pipe.
Further, the radian of the cooling pipe is the same as that of the roller ring, and the bending radius of the cooling pipe is the same as the outer diameter of the roller ring.
Further, the arc length of the cooling tube is 1/2 circles.
Furthermore, the cooling nozzles are uniformly distributed along the inner ring surface of the cooling pipe, are all elliptical and are arranged right opposite to the roll ring groove surface.
Furthermore, two ends of the first cooling pipe and the second cooling pipe are respectively fixed with a connecting lug, and the connecting lugs are connected with the pre-finishing roller box through bolts and nuts.
Furthermore, the end face of the roll collar is provided with two opposite annular strips, and a gap is arranged between the two annular strips.
Compared with the prior art, the technical scheme of the utility model has the advantages that:
(1) the double-pipe design is adopted, so that the cooling water flow and the spraying area are increased, and the cooling efficiency is improved;
(2) the temperature of the roll collar in use is greatly reduced, and the service life is prolonged;
(3) the problem of surface quality of finished wire rods is reduced, and the product quality is improved;
(4) the shutdown maintenance times and time are reduced, and the working efficiency is improved.
Drawings
FIG. 1 is a perspective view of an efficient pre-finishing roll ring cooling arrangement of the present invention;
FIG. 2 is a schematic view of the assembly of the cooling device of the present invention with a roll collar;
FIG. 3 is an exploded view of the assembly of the pre-finishing roll cassette of the present invention;
fig. 4 is a schematic view of the roll collar structure of the present invention.
Detailed Description
Example 1
In order that the present invention may be more clearly understood, a highly efficient pre-finishing roll ring cooling apparatus of the present invention will now be further described, and the specific embodiments described herein are provided by way of illustration only and not by way of limitation.
Referring to fig. 3, an efficient is finish roll ring cooling device in advance, including finish roll case 1 in advance, even have roller 2 on finish roll case 1 in advance, 2 overcoat of roller are equipped with collars 3 and collar cap subassembly 4, its characterized in that:
referring to fig. 1 and 2, two arc-shaped cooling pipes 5 are arranged above the roller ring 3 side by side, and one side of each cooling pipe 5, which faces the roller ring 3, is provided with a group of cooling nozzles 6 for spraying cooling water to the roller ring for cooling;
the radian of the cooling pipe 5 is the same as that of the roller ring 3, the bending radius of the cooling pipe 5 is the same as the outer diameter of the roller ring 3, and the arc length of the cooling pipe 5 is 1/2 circles;
the cooling nozzles 6 are uniformly distributed along the inner ring surface of the cooling pipe 5, and the cooling nozzles 6 are all oval and are arranged right opposite to the groove surface of the roll collar 3;
the cooling pipe 5 comprises a first cooling pipe 51 and a second cooling pipe 52, two ends of the first cooling pipe 51 and the second cooling pipe 52 are respectively fixed with a connecting lug 9, and the connecting lugs 9 are connected with the pre-finishing roller box 1 through bolts 10 and nuts 11;
the two ends of the first cooling pipe 51 are closed ends, and a first threaded opening 51a is arranged on the first cooling pipe 51, the first threaded opening 51a is connected with the first delivery pipe 7, one end of the second cooling pipe 52 is closed end, the other end is provided with a second threaded opening 52a, and the second threaded opening 52a is connected with the second delivery pipe 8, so as to be used for introducing cooling water into the cooling pipe through the delivery pipe;
referring to fig. 4, the end surface of the roller ring 3 is provided with two opposite annular strips 3a, and a gap 3b is provided between the two annular strips 3 a.
In the embodiment, the cooling pipes 5 are bent, the two cooling pipes 5 are stacked together, and 8-15 elliptical nozzles are arranged at the bottoms of the cooling pipes 5 and are all aligned to the groove surfaces of the roll rings 3;
the screwed joint is located the end and the top of cooling tube 5 respectively, and the end cover has the screw thread, and engaging lug 9 passes through welded connection on cooling tube 5, and has beaten the bolt hole on it, passes the bolt hole through bolt 10 and nut 11 and fixes cooling device on pre-finishing roll case 1, guarantees that the cooling water can accurate cooling collar.
When the pre-finishing roller box is used, the pre-finishing roller box is fixed at a fixed position of the pre-finishing roller box through the bolt holes in the fixed support, the nozzle can be aligned to the surface of the roller ring groove, and two conveying hoses are respectively connected to two threaded joints for use; the water flow can be increased, and the cooling efficiency of the pre-finishing roll collar is improved.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (6)
1. The utility model provides an efficient is finish roll ring cooling device in advance, includes finish roll case (1) in advance, even has roller (2) on finish roll case (1) in advance, and roller (2) overcoat is equipped with collars (3) and collars cap component (4), its characterized in that:
two arc-shaped cooling pipes (5) are arranged above the roll collar (3) side by side, and one side of each cooling pipe (5) which is right opposite to the roll collar (3) is provided with a group of cooling nozzles (6);
the cooling pipe (5) comprises a first cooling pipe (51) and a second cooling pipe (52), the first cooling pipe and the second cooling pipe are fixed on the pre-finishing rolling box (1), two ends of the first cooling pipe (51) are closed ends, a first threaded opening (51 a) is formed in the closed ends, the first threaded opening (51 a) is connected with the first conveying pipe (7), one end of the second cooling pipe (52) is a closed end, a second threaded opening (52 a) is formed in the other end of the second cooling pipe, and the second threaded opening (52 a) is connected with the second conveying pipe (8).
2. The efficient pre-finishing roll ring cooling apparatus of claim 1, wherein:
the radian of the cooling pipe (5) is the same as that of the roller ring (3), and the bending radius of the cooling pipe (5) is the same as the outer diameter of the roller ring (3).
3. The efficient pre-finishing roll ring cooling device as recited in claim 1 or 2, wherein:
the arc length of the cooling pipe (5) is 1/2 circles.
4. The efficient pre-finishing roll ring cooling device as recited in claim 1 or 2, wherein:
the cooling nozzles (6) are uniformly distributed along the inner ring surface of the cooling pipe (5), and the cooling nozzles (6) are all oval and are arranged right opposite to the groove surface of the roll ring (3).
5. The efficient pre-finishing roll ring cooling device as recited in claim 1 or 2, wherein:
and two ends of the first cooling pipe (51) and the second cooling pipe (52) are respectively fixed with a connecting lug (9), and the connecting lugs (9) are connected with the pre-finishing roller box (1) through bolts (10) and nuts (11).
6. The efficient pre-finishing roll ring cooling device as recited in claim 1 or 2, wherein:
the end face of the roll ring (3) is provided with two opposite annular strips (3 a), and a gap (3 b) is arranged between the two annular strips (3 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122244757.3U CN215918637U (en) | 2021-09-16 | 2021-09-16 | Efficient is finish roll ring cooling device in advance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122244757.3U CN215918637U (en) | 2021-09-16 | 2021-09-16 | Efficient is finish roll ring cooling device in advance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215918637U true CN215918637U (en) | 2022-03-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122244757.3U Active CN215918637U (en) | 2021-09-16 | 2021-09-16 | Efficient is finish roll ring cooling device in advance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215918637U (en) |
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2021
- 2021-09-16 CN CN202122244757.3U patent/CN215918637U/en active Active
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