CN216705467U - Hot continuous rolling lower supporting roller bearing seat slag blocking device - Google Patents
Hot continuous rolling lower supporting roller bearing seat slag blocking device Download PDFInfo
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- CN216705467U CN216705467U CN202123059277.6U CN202123059277U CN216705467U CN 216705467 U CN216705467 U CN 216705467U CN 202123059277 U CN202123059277 U CN 202123059277U CN 216705467 U CN216705467 U CN 216705467U
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Abstract
The utility model relates to a slag blocking device for a bearing seat of a lower support roller in hot continuous rolling, which comprises a slag blocking plate and a plurality of screws; the slag blocking plate consists of a bottom plate, a vertical plate and 2 side plates; the utility model can avoid the accumulation of iron scale at the step pad, improve the joint degree of the lower supporting roller bearing seat and the step pad, reduce the abrasion of the step pad, ensure the consistent rigidity of two sides of the rolling mill, ensure the uniform deformation of the strip steel during rolling and improve the stability of the rolling process.
Description
Technical Field
The utility model relates to the technical field of steel rolling, in particular to a slag blocking device for a bearing seat of a lower support roller in hot continuous rolling.
Background
In a hot rolling unit of a steel rolling production line, a step pad is arranged at the bottom of a lower supporting roller bearing seat, when a working roller is replaced at each time, because the roller diameter of the working roller is changed, the heights of the upper roller surface of the lower working roller are different, elevation compensation needs to be carried out through step pad adjustment, and the adjustment amount of the step pad is different at each time. In the rolling process of the hot-rolled strip steel, the scale produced on the surface of the plate blank needs to be descaled and cleaned by back-spraying water, the mixture of the scale and the water can flow into the lower step pad along the lower support roller bearing seat, and iron slag can be accumulated at the step pad, so that the thickness and hardness of the step pads at the bottoms of the lower support roller bearing seats at two sides are different, and the rolling stability is influenced in the production process. And the rigidity of the step pads on the two sides is inconsistent, so that the deformation of a rolled piece is uneven during rolling, and even a steel clamping accident is caused. In addition, the long-time accumulation of iron slag in the position of the step pad is pressed, so that the abrasion between the step pad and an arc-shaped base plate of the bearing seat of the lower supporting roller can be increased, the installation and use precision of equipment is influenced, and the maintenance frequency is increased.
Disclosure of Invention
The utility model provides a slag blocking device for a bearing seat of a lower support roller in hot continuous rolling, which can prevent iron scales from being accumulated at a step pad, improve the fitting degree of the bearing seat of the lower support roller and the step pad, reduce the abrasion of the step pad, ensure the consistent rigidity of two sides of a rolling mill, enable strip steel to be deformed uniformly during rolling and improve the stability of the rolling process.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a hot continuous rolling lower supporting roller bearing block slag blocking device is characterized in that a step pad is arranged at the bottom of a lower supporting roller bearing block; the slag stopping device comprises a slag stopping plate and a plurality of screws; the slag blocking plate consists of a bottom plate, a vertical plate and 2 side plates; the bottom plate is horizontally arranged, the two sides of the bottom plate are provided with side plates, the top ends of the side plates are connected with the bottom plate, and the bottom ends of the side plates extend obliquely outwards and downwards; one end of the bottom plate is provided with a vertical plate which is vertically arranged, and the bottom end of the vertical plate is connected with the bottom plate; a plurality of through holes are formed in the vertical plate along the horizontal direction; the vertical plate is tightly attached to one side, away from the lower supporting roller, of the lower supporting roller bearing seat, and the bottom surface of the bottom plate is higher than the bottom surface of the lower supporting roller bearing seat or is flush with the bottom surface of the lower supporting roller bearing seat; the lower part of the lower supporting roll bearing seat at the side connected with the vertical plate is correspondingly provided with a plurality of threaded holes; and screws penetrate through corresponding through holes in the vertical plate and corresponding threaded holes in the lower supporting roller bearing seat, and the slag blocking plate is fixed on the corresponding side of the lower supporting roller bearing seat.
The bottom of the lower supporting roll bearing seat is also provided with an arc-shaped pad, and the arc-shaped pad and the lower supporting roll bearing seat are of an integrated structure.
The slag blocking device for the bearing seat of the hot continuous rolling lower supporting roller also comprises a rubber plate; the rubber plate covers the top of the bottom plate and the top of the side plate, and the rubber plate is fixedly connected with the bottom plate or the side plate through bonding, bolts or riveting.
The slag blocking plate is formed by bending a steel plate or formed by welding a plurality of steel plates in a combined manner.
The inclination angle of curb plate is 25 ~ 35, and the length of curb plate equals with the width of bottom plate, is 400 ~ 600 mm.
The distance between the central line of the threaded holes and the bottom surface of the lower supporting roller bearing seat is 30-50 mm, the number of the threaded holes is at least 4, and the threaded holes are uniformly distributed in the horizontal direction.
The length of the bottom plate is greater than that of the step pad in the corresponding direction.
Compared with the prior art, the utility model has the beneficial effects that:
the rolling mill can avoid iron scale from being accumulated at the step pad, improve the fitting degree of the lower supporting roll bearing seat and the step pad, reduce the abrasion of the step pad, ensure the consistent rigidity of two sides of the rolling mill, ensure the uniform deformation of the strip steel during rolling and improve the stability of the rolling process.
Drawings
FIG. 1 is a first schematic view of the installation of the slag stopping device for the bearing block of the lower support roller in the hot continuous rolling.
FIG. 2 is a second schematic view of the installation of the slag stopping device for the bearing block of the lower support roller in the hot continuous rolling.
FIG. 3 is a schematic view of the construction of the slag trap of the present invention.
In the figure: 1. lower support roller bearing seat 2, arc-shaped pad 3, step pad 4, slag trap 41, bottom plate 42, vertical plate 43, side plate 44, through hole 5, screw 6 and lower support roller
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1-3, in the slag stopping device for the bearing seat of the lower support roller in hot continuous rolling, a step pad 3 is arranged at the bottom of the bearing seat 1 of the lower support roller; the slag stopping device comprises a slag stopping plate 4 and a plurality of screws 5; the slag blocking plate 4 consists of a bottom plate 41, a vertical plate 42 and 2 side plates 43; the bottom plate 41 is horizontally arranged, the two sides of the bottom plate 41 are provided with side plates 43, the top ends of the side plates 43 are connected with the bottom plate 41, and the bottom ends extend obliquely outwards and downwards; one end of the bottom plate 41 is provided with a vertical plate 42, the vertical plate 42 is vertically arranged, and the bottom end is connected with the bottom plate 41; a plurality of through holes 44 are formed in the vertical plate 42 along the horizontal direction; the vertical plate 42 is tightly attached to one side, away from the lower supporting roller 6, of the lower supporting roller bearing seat 1, and the bottom surface of the bottom plate 41 is higher than that of the lower supporting roller bearing seat 1 or is flush with that of the lower supporting roller bearing seat 1; the lower part of the lower supporting roller bearing seat 1 at the side connected with the vertical plate 42 is correspondingly provided with a plurality of threaded holes; the screw 5 penetrates through the corresponding through hole 44 on the vertical plate 42 and the corresponding threaded hole on the lower supporting roller bearing seat 1, and the slag blocking plate 4 is fixed on the corresponding side of the lower supporting roller bearing seat 1.
The bottom of the lower supporting roll bearing seat 1 is also provided with an arc-shaped pad 2, and the arc-shaped pad 2 and the lower supporting roll bearing seat 1 are of an integrated structure.
The slag blocking device for the bearing seat of the hot continuous rolling lower supporting roller also comprises a rubber plate; the rubber plate covers the tops of the bottom plate 41 and the side plate 43, and the rubber plate is fixed with the bottom plate 41 or the side plate 43 through bonding, bolt connection or riveting.
The slag trap 4 is made of a steel plate through bending, or is made of a plurality of steel plates through combination welding.
The inclination angle of the side plate 43 is 25-35 degrees, the length of the side plate 43 is equal to the width of the bottom plate 41, and the length is 400-600 mm.
The distance between the central line of the threaded holes and the bottom surface of the lower supporting roller bearing seat 1 is 30-50 mm, the number of the threaded holes is at least 4, and the threaded holes are uniformly distributed along the horizontal direction.
The length of the bottom plate 41 is greater than the length of the step pad 3 in the corresponding direction.
The hot continuous rolling lower supporting roller bearing block slag blocking device is simple in structure and can be manufactured in a production field. The scale that can effectively avoid hot rolling slab surface to produce gets into the ladder pad department of bottom suspension roller bearing housing below when descaling and high-pressure water wash, guarantees the cleanliness of both sides ladder pad. After the step pads are adjusted when the working rolls are replaced, the rigidity of the step pads on two sides can be kept consistent in the subsequent production process, and therefore the stability of the rolling process is improved. Meanwhile, abrasion between the step pad and the arc pad of the bearing seat of the lower supporting roller can be reduced, and the service life of the step pad is prolonged.
The following examples are carried out on the premise of the technical scheme of the utility model, and detailed embodiments and specific operation processes are given, but the scope of the utility model is not limited to the following examples.
[ examples ] A method for producing a compound
As shown in fig. 1 and fig. 2, in the present embodiment, a slag blocking device for a bearing seat of a lower support roller in hot continuous rolling includes a slag blocking plate 4, a screw 5 and a rubber plate.
The bottom of the lower supporting roller bearing seat 1 is provided with an integrated arc-shaped pad 2, and the arc-shaped pad 2 is in direct contact with the step pad 3.
The slag blocking plate 4 is composed of a vertical plate 42, a bottom plate 41 and a side plate 43, and is fixed on the outer side of the lower supporting roller bearing seat 1 through a screw 5, the vertical plate 42 is vertically connected with the bottom plate 41, the side plate 43 is connected with the horizontally arranged bottom plate 41 at an angle of 30 degrees, and the rubber plate covers the top surfaces of the bottom plate 41 and the side plate 43.
As shown in fig. 3, in the present embodiment, the width (L2) of the side panel 43 is 500mm, which is the same as the width of the bottom panel 41; the length L1 of the bottom plate 41 is 1450mm, and the width L3 of the step pad 3 is 1280 mm.
The distance between the axis of the threaded hole for fixing the screw 5 and the bottom surface of the lower supporting roller bearing seat 1 is 40 mm; in this embodiment, the number of the screws 5 is 4, and 2 threaded holes are symmetrically formed in both sides of the center line of the lower support roller bearing block 1 as a reference, and 4 through holes are correspondingly formed in the vertical plate 42.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and their concepts should be equivalent or changed within the technical scope of the present invention.
Claims (7)
1. A hot continuous rolling lower supporting roller bearing block slag blocking device is characterized in that a step pad is arranged at the bottom of a lower supporting roller bearing block; the slag stopping device is characterized by comprising a slag stopping plate and a plurality of screws; the slag blocking plate consists of a bottom plate, a vertical plate and 2 side plates; the bottom plate is horizontally arranged, the two sides of the bottom plate are provided with side plates, the top ends of the side plates are connected with the bottom plate, and the bottom ends of the side plates extend obliquely outwards and downwards; one end of the bottom plate is provided with a vertical plate which is vertically arranged, and the bottom end of the vertical plate is connected with the bottom plate; a plurality of through holes are formed in the vertical plate along the horizontal direction; the vertical plate is tightly attached to one side, far away from the lower supporting roll, of the lower supporting roll bearing seat, and the bottom surface of the bottom plate is higher than the bottom surface of the lower supporting roll bearing seat or is flush with the bottom surface of the lower supporting roll bearing seat; the lower part of the lower supporting roll bearing seat on the side connected with the vertical plate is correspondingly provided with a plurality of threaded holes; and screws penetrate through corresponding through holes in the vertical plate and corresponding threaded holes in the lower supporting roller bearing seat, and the slag blocking plate is fixed on the corresponding side of the lower supporting roller bearing seat.
2. The device for pushing off the slag of the bearing seat of the lower support roller in the hot continuous rolling process as claimed in claim 1, wherein an arc-shaped pad is further arranged at the bottom of the bearing seat of the lower support roller, and the arc-shaped pad and the bearing seat of the lower support roller are of an integral structure.
3. The device for pushing off slag of the bearing seat of the lower support roller in the hot continuous rolling process as claimed in claim 1, further comprising a rubber plate; the rubber plate covers the top of the bottom plate and the top of the side plate, and the rubber plate is fixedly connected with the bottom plate or the side plate through bonding, bolts or riveting.
4. The device for blocking slag of the bearing seat of the hot continuous rolling lower supporting roller as claimed in claim 1, wherein the slag blocking plate is made of a steel plate through bending, or is made of a plurality of steel plates through combination welding.
5. The device for blocking slag of the bearing block of the hot continuous rolling lower support roller according to claim 1, wherein the inclination angle of the side plate is 25-35 degrees, and the length of the side plate is equal to the width of the bottom plate and is 400-600 mm.
6. The device for blocking slag of the bearing seat of the lower support roller in the hot continuous rolling process as claimed in claim 1, wherein the distance between the central line of the threaded holes and the bottom surface of the bearing seat of the lower support roller is 30-50 mm, and the number of the threaded holes is at least 4, and the threaded holes are uniformly distributed along the horizontal direction.
7. The device for pushing off slag of a bearing seat of a lower support roller in hot continuous rolling as claimed in claim 1, wherein the length of the bottom plate is greater than the length of the step pad in the corresponding direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123059277.6U CN216705467U (en) | 2021-12-07 | 2021-12-07 | Hot continuous rolling lower supporting roller bearing seat slag blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123059277.6U CN216705467U (en) | 2021-12-07 | 2021-12-07 | Hot continuous rolling lower supporting roller bearing seat slag blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216705467U true CN216705467U (en) | 2022-06-10 |
Family
ID=81883601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123059277.6U Active CN216705467U (en) | 2021-12-07 | 2021-12-07 | Hot continuous rolling lower supporting roller bearing seat slag blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216705467U (en) |
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2021
- 2021-12-07 CN CN202123059277.6U patent/CN216705467U/en active Active
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