CN220879924U - Profile steel hot rolling device - Google Patents
Profile steel hot rolling device Download PDFInfo
- Publication number
- CN220879924U CN220879924U CN202322424292.9U CN202322424292U CN220879924U CN 220879924 U CN220879924 U CN 220879924U CN 202322424292 U CN202322424292 U CN 202322424292U CN 220879924 U CN220879924 U CN 220879924U
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- China
- Prior art keywords
- power shaft
- outer ring
- hot rolling
- steel hot
- ring
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 15
- 238000005098 hot rolling Methods 0.000 title claims abstract description 15
- 239000010959 steel Substances 0.000 title claims abstract description 15
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The utility model discloses a profile steel hot rolling device which comprises an upper roller and a lower roller with the same structure, wherein the rollers comprise a power shaft, positioning rings, annular baffles, an outer ring and pull rods, a plurality of positioning rings are arranged on the power shaft at intervals, a plurality of positioning protrusions are arranged on the outer edges of the positioning rings, the positioning protrusions of all the positioning rings correspond to each other in front and back, the outer ring is sleeved outside the positioning rings, grooves matched with the positioning protrusions are formed in the inner wall of the outer ring, the diameters of two ends of the power shaft are smaller than the diameter of a middle main body, the two ends of the power shaft are sleeved with detachable annular baffles, corresponding through holes are formed in the annular baffles and the positioning rings, and the two annular baffles are fixed through bolts through a plurality of pull rods. The beneficial effects are that: the detachable design enables the outer ring to be replaceable, so that the outer ring can be independently replaced after the surface is greatly worn, and the cost is reduced; the cooling device can be used by rotating the roller, simultaneously rapidly cooling the outer ring from the inside, and simultaneously distributing cool air uniformly through the air holes which are not designed correspondingly for multiple times, so that the cooling effect is good.
Description
Technical Field
The utility model belongs to the technical field of section steel production, and particularly relates to a section steel hot rolling device.
Background
The hot rolling process of the section steel is to pass the heated plate through two rollers matched with each other on a hot rolling mill, and the two rollers extrude the heated plate, so that the plate is formed into a certain shape.
When the heating plate is extruded, the surface is subjected to larger abrasion, and the rollers are generally integrally arranged and need to be integrally replaced, so that the cost is higher; in addition, during extrusion processing, the roller can generate higher temperature, and the service life of the roller can be seriously shortened when the roller works for a long time.
Disclosure of utility model
The utility model aims to provide a section steel hot rolling device which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a shaped steel hot rolling device, includes two upper and lower rolls that the structure is the same, the roll is combined type structure, including power shaft, holding ring, annular baffle, outer lane and pull rod, the interval is equipped with a plurality of on the power shaft the holding ring, the holding ring outer fringe is equipped with a plurality of location archs, and all the holding ring the location is protruding to correspond around, the outer lane cover is in outside the holding ring, the inner wall be equipped with the groove of the protruding adaptation of location, power shaft both ends diameter is less than middle part main part diameter, and the cover has detachable annular baffle, annular baffle with be equipped with corresponding through-hole on the holding ring, two annular baffle passes through many the pull rod passes through the bolt fastening.
Preferably, the power shaft and the positioning ring are integrally formed.
Preferably, the axle center of the two ends of the power shaft is provided with a cavity, the two ends of the main body in the middle of the power shaft are respectively provided with an air inlet and an air outlet, the air inlet and the air outlet are respectively connected with the cavities at the two ends, the cavities are respectively provided with rotary joints in a sealing way, and the positioning ring is provided with a plurality of through air holes.
Preferably, the air holes on each adjacent positioning ring are not corresponding.
Preferably, annular grooves are formed in two ends of the outer ring, and the annular baffles are respectively located in the two annular grooves.
Preferably, six pull rods are arranged and equally arranged around the axial lead of the power shaft.
Compared with the prior art, the utility model has the beneficial effects that:
1. The detachable design enables the outer ring to be replaceable, so that the outer ring can be independently replaced after the surface is subjected to larger abrasion, and the cost is reduced.
2. The cooling device can be used by rotating the roller, simultaneously rapidly cooling the outer ring from the inside, and simultaneously distributing cool air uniformly through the air holes which are not designed correspondingly for multiple times, so that the cooling effect is good.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a roll structure according to the present utility model;
FIG. 3 is a schematic top view of the power shaft, retaining ring, and annular baffle of the present utility model;
FIG. 4 is a schematic cross-sectional view of the power shaft and retaining ring of the present utility model;
FIG. 5 is a schematic view of the outer ring structure of the present utility model;
Fig. 6 is a schematic view of the structure of the annular baffle plate of the present utility model.
In the figure: 1. a roller; 2. a power shaft; 3. a positioning ring; 4. an annular baffle; 5. an outer ring; 6. a pull rod; 7. positioning the bulge; 8. a groove; 9. a through hole; 10. a cavity; 11. an air inlet; 12. an air outlet; 13. a rotary joint; 14. air holes; 15. an annular groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a shaped steel hot rolling device, includes two upper and lower rolls 1 that the structure is the same, roll 1 is combined structure, including power shaft 2, holding ring 3, annular baffle 4, outer lane 5 and pull rod 6, the interval is equipped with a plurality of holding ring 3 on the power shaft 2, the holding ring 3 outer fringe is equipped with a plurality of location protruding 7, and all the location protruding 7 of holding ring 3 correspond front and back, outer lane 5 cover is in outside the holding ring 3, the inner wall is equipped with the groove 8 of location protruding 7 adaptation, the diameter is less than the middle part main part diameter at power shaft 2 both ends to the cover has detachable annular baffle 4, annular baffle 4 with be equipped with corresponding through-hole 9 on the holding ring 3, two annular baffle 4 passes through a plurality of pull rod 6 and passes through the bolt fastening; when the positioning device is used, the positioning ring 3 can be synchronously driven to rotate through the rotation of the power shaft 2, the outer ring 5 can be synchronously driven to rotate through the cooperation of the positioning bulge 7 and the groove 8 to work, and the annular baffle 4 stably positions the outer ring 5 under the action of the pull rod 6; the outer ring 5 can be replaced through the detachable design, so that the outer ring can be independently replaced after the surface is subjected to great abrasion, and the cost is reduced.
Specifically, the power shaft 2 and the positioning ring 3 are integrally formed; in this embodiment, be convenient for whole processing manufacturing, improve machining efficiency, connect simultaneously stably.
Specifically, a cavity 10 is arranged at the axial center of two ends of the power shaft, two ends of the main body in the middle of the power shaft 2 are respectively provided with an air inlet 11 and an air outlet 12, the air inlet 11 and the air outlet 12 are respectively connected with the cavities 10 at two ends, the cavities 10 are respectively provided with a rotary joint 13 in a sealing manner, and the positioning ring 3 is provided with a plurality of through air holes 14; in this embodiment, the air pipe of the external cool air supply device is connected through the rotary joint 13, cool air enters the power shaft 2 from the cavity 10, enters the gaps among the power shaft 2, the positioning ring 3, the annular baffle 4 and the outer ring 5 through the air inlet 11, enters the next gap through the air hole 14, finally reaches the other end, enters the cavity 10 from the air outlet 12 and then enters the external cool air recovery device through the rotary joint 13, so that the temperature of the outer ring 5 can be quickly reduced from the inside while the roller 1 rotates for use.
Specifically, the air holes 14 on each adjacent positioning ring 3 do not correspond; in this embodiment, the air holes 14 are split for a plurality of times, so that the air is uniformly distributed, and the cooling effect is good.
Specifically, annular grooves 15 are formed at two ends of the outer ring 5, and the annular baffles 4 are respectively positioned in the two annular grooves 15; in this embodiment, the annular baffle 4 can thus be positioned in multiple directions on the outer ring 5, more stable.
Specifically, six pull rods 6 are arranged and equally arranged around the axial lead of the power shaft 2; in this embodiment, the dynamics is even for the location time for overall structure is stable.
In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.
Working principle: when the positioning device is used, the positioning ring 3 can be synchronously driven to rotate through the rotation of the power shaft 2, the outer ring 5 can be synchronously driven to rotate through the cooperation of the positioning bulge 7 and the groove 8 to work, and the annular baffle 4 stably positions the outer ring 5 under the action of the pull rod 6; the outer ring 5 can be replaced through the detachable design, so that the outer ring can be independently replaced after the surface is greatly worn, and the cost is reduced; during use, the air pipe of the external cold air supply device is connected through the rotary joint 13, cold air enters the power shaft 2 from the cavity 10, enters gaps among the power shaft 2, the positioning ring 3, the annular baffle 4 and the outer ring 5 through the air inlet 11, enters the next gap through the air hole 14, finally reaches the other end, enters the cavity 10 from the air outlet 12 and then enters the external cold air recovery device through the rotary joint 13, so that the temperature of the outer ring 5 can be quickly reduced from the inside when the roller 1 is used in a rotating way, and meanwhile, the cold air is distributed for a plurality of times through the air holes 14 which are not designed correspondingly, so that the cold air distribution is uniform and the cooling effect is good.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a shaped steel hot rolling device, its characterized in that, including two upper and lower rolls (1) that the structure is the same, roll (1) are combined structure, including power shaft (2), holding ring (3), annular baffle (4), outer lane (5) and pull rod (6), the interval is equipped with a plurality of on power shaft (2) holding ring (3), holding ring (3) outer fringe is equipped with a plurality of location arch (7), and all holding ring (3) the location is protruding (7) around corresponding, outer lane (5) cover is in outside holding ring (3), the inner wall be equipped with the groove (8) of the protruding (7) adaptation of location, power shaft (2) both ends diameter is less than middle part main part diameter to the cover has detachable annular baffle (4), annular baffle (4) with be equipped with corresponding through-hole (9) on holding ring (3), two annular baffle (4) are through many pull rod (6) pass through bolt fastening.
2. A section steel hot rolling apparatus according to claim 1, characterized in that the power shaft (2) is integrally formed with the positioning ring (3).
3. The section steel hot rolling device according to claim 1, wherein cavities (10) are formed in the shaft centers at two ends of the power shaft, an air inlet (11) and an air outlet (12) are respectively formed in two ends of a main body in the middle of the power shaft (2), the air inlet (11) and the air outlet (12) are respectively connected with the cavities (10) at two ends, rotary joints (13) are respectively and hermetically arranged in the cavities (10), and a plurality of through air holes (14) are formed in the positioning ring (3).
4. A section steel hot rolling apparatus according to claim 3, wherein said air holes (14) on each adjacent positioning ring (3) do not correspond.
5. A section steel hot rolling apparatus according to claim 1, wherein annular grooves (15) are provided at both ends of the outer ring (5), and the annular baffles (4) are respectively located in both of the annular grooves (15).
6. A section steel hot rolling apparatus according to claim 1, wherein six tie rods (6) are provided and equally arranged around the axis of the power shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322424292.9U CN220879924U (en) | 2023-09-07 | 2023-09-07 | Profile steel hot rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322424292.9U CN220879924U (en) | 2023-09-07 | 2023-09-07 | Profile steel hot rolling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220879924U true CN220879924U (en) | 2024-05-03 |
Family
ID=90875043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322424292.9U Active CN220879924U (en) | 2023-09-07 | 2023-09-07 | Profile steel hot rolling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220879924U (en) |
-
2023
- 2023-09-07 CN CN202322424292.9U patent/CN220879924U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |