CN220636252U - Secondary cooling section auxiliary supporting roller of small square billet continuous casting machine - Google Patents
Secondary cooling section auxiliary supporting roller of small square billet continuous casting machine Download PDFInfo
- Publication number
- CN220636252U CN220636252U CN202322291808.7U CN202322291808U CN220636252U CN 220636252 U CN220636252 U CN 220636252U CN 202322291808 U CN202322291808 U CN 202322291808U CN 220636252 U CN220636252 U CN 220636252U
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- supporting roller
- eccentric shaft
- secondary cooling
- cooling section
- auxiliary supporting
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- 238000001816 cooling Methods 0.000 title claims abstract description 26
- 238000009749 continuous casting Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 11
- 238000005461 lubrication Methods 0.000 claims description 11
- 210000004907 gland Anatomy 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 38
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009628 steelmaking Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a secondary cooling section auxiliary supporting roller of a billet continuous casting machine, belongs to the technical field of steelmaking continuous casting, and solves the problem of insufficient guiding effect of a guiding section of an existing secondary cooling chamber. The auxiliary supporting roller comprises a side supporting roller frame, wherein the side supporting roller frame comprises a mounting bottom plate and four mounting side plates, the four mounting side plates are symmetrically and vertically arranged at the upper end and the lower end of the mounting bottom plate in pairs, a plurality of eccentric shafts are respectively arranged on the mounting side plates at the upper end and the lower end, the supporting roller is rotationally connected to the eccentric shafts, and a locking mechanism is arranged between the mounting side plates and the supporting roller. The secondary cooling section auxiliary supporting roller of the billet continuous casting machine can clamp and support a casting blank, ensures high-pulling-speed production of billets, has stable quality, and has the characteristics of convenience in use and strong practicability.
Description
Technical Field
The utility model relates to the technical field of steelmaking continuous casting, in particular to a secondary cooling section auxiliary supporting roller of a small square billet continuous casting machine.
Background
Casting blank slip originates from the uneven cooling of crystallizer, and the casting blank goes out the crystallizer after, and under second cold water cooling, the casting blank slip aggravates, simultaneously because of the wearing and tearing of high drawing rate to second cold section backing roll of casting machine, lead to the casting blank to control the drunkenness in the operation to the casting blank is more inhomogeneous at second cold chamber cooling, and current second cold chamber guide section comprises guide roll, support, and the guide roll provides direction and supporting role for the casting blank, but because the guide effect of guide roll is not enough, and the casting blank draws fast, the thermal stress is big, the roll surface is uneven, vibration skew etc. reasons still often can appear the off tracking phenomenon, the problem of slip appears, current guider can't satisfy the quick production demand.
Disclosure of Invention
The secondary cooling section auxiliary supporting roller of the small square billet continuous casting machine can clamp and support a casting blank, ensures high-pulling-speed production of the small square billet, has stable quality, and has the characteristics of convenience in use and strong practicability.
The technical scheme adopted by the utility model is as follows: the utility model provides a secondary cooling zone auxiliary stay roller of billet caster, includes the side stay roller frame, the side stay roller frame include mounting plate and four installation curb plates, four the installation curb plate pairwise symmetry arrange perpendicularly both ends about mounting plate, both ends about the installation curb plate on be equipped with a plurality of eccentric shafts respectively, the eccentric shaft on rotate and be connected with the backing roll, installation curb plate and backing roll between be equipped with locking mechanism.
As a further improvement, the locking mechanism comprises an eccentric shaft positioning block, a screw rod and a locking nut, wherein the eccentric shaft positioning block is connected with one end of the eccentric shaft, an arc-shaped chute is formed in the eccentric shaft positioning block, one end of the screw rod is fixedly connected with the mounting side plate, and the other end of the screw rod penetrates through the chute to be in threaded connection with the locking nut.
Further, a bearing is arranged between the eccentric shaft and the supporting roller.
Further, a gland is sleeved on the eccentric shaft on one side of the bearing, and an elastic retainer ring for pressing the gland is clamped on the supporting roller.
Further, a lubrication channel is formed in one end of the eccentric shaft, an oil filling nozzle is arranged at one end of the lubrication channel, and the other end of the lubrication channel is communicated with gaps between the eccentric shaft and the supporting roller.
Further, the number of the eccentric shafts is four, and the four eccentric shafts are symmetrically arranged on the mounting side plates at the upper side and the lower side respectively in two groups.
Advantageous effects
Compared with the prior art, the utility model has the following advantages:
according to the secondary cooling section auxiliary supporting roller of the billet continuous casting machine, the whole device is arranged above the guide section of the secondary cooling section through the mounting bottom plate, when a casting blank reaches the auxiliary supporting roller, the casting blank passes through the supporting rollers at two sides, the supporting rollers provide supporting, clamping and centering functions for the casting blank at the guide section, uniformity of secondary cooling of the casting blank is ensured, the problem of casting blank withdrawal at high pulling speed of the billet is gradually solved, the auxiliary supporting roller is provided with an adjustable function through the arrangement of the eccentric shaft, when casting blanks with different sizes are required to be clamped, the eccentric shafts at two sides are rotated, after the proper positions are adjusted, the locking nuts are twisted, the eccentric shaft is fixed, so that distance adjustment of the supporting rollers at two sides is realized, applicability is improved, and meanwhile, after casting is stopped, the casting blank can be replaced or the opening degree of the rollers is adjusted, so that the clamping function of the casting blank is better met, and the characteristics of convenience in use and wide application range are achieved.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic perspective view of the present utility model;
fig. 3 is an enlarged schematic view of a sectional structure of a backup roll in the present utility model.
Wherein: 1-supporting roller frame, 2-eccentric shaft, 3-locking mechanism, 4-supporting roller, 5-lubrication channel, 6-bearing, 7-gland, 8-circlip, 11-mounting bottom plate, 12-mounting side plate, 31-eccentric shaft locating block, 32-lock nut, 33-screw rod, 34-spout.
Detailed Description
The utility model will be further described with reference to specific embodiments in the drawings.
Referring to fig. 1-3, the secondary cooling section auxiliary supporting roller of the billet continuous casting machine comprises a side supporting roller frame 1, wherein the side supporting roller frame 1 comprises a mounting bottom plate 11 and four mounting side plates 12, the four mounting side plates 12 are symmetrically and vertically arranged at the upper end and the lower end of the mounting bottom plate 11, a plurality of eccentric shafts 2 are respectively arranged on the mounting side plates 12 at the upper end and the lower end, the supporting rollers 4 are rotatably connected to the eccentric shafts 2, a locking mechanism 3 is arranged between the mounting side plates 12 and the supporting rollers 4, the whole device is arranged above a guide section of the secondary cooling section through the mounting bottom plate 11, when a casting blank reaches the auxiliary supporting rollers, the casting blank passes through the supporting rollers 4 at two sides, under the action of the supporting rollers 4, the supporting, the uniformity of secondary cooling of the casting blank is ensured, the problem of high-pull-rate casting blank slipping of the billet is gradually solved, the auxiliary supporting rollers have an adjustable function through the arrangement of the eccentric shafts 2, when the casting blank with different sizes is required to be clamped, after the eccentric shafts 2 are rotated, the eccentric shafts 2 are properly adjusted, nuts 32 are twisted tightly, the supporting rollers are enabled to be fixed, the proper positions of the two sides of the casting blank are clamped, the casting blank can be better than the proper positions can be adjusted, the casting blank can be clamped by the rollers, the proper positions can be adjusted, the gap can be better and the gap can be adjusted, and the casting rolls can be adjusted, and the gap can be better and the gap can be adjusted.
Specifically, the locking mechanism 3 includes an eccentric shaft positioning block 31, a screw 33 and a locking nut 32, the eccentric shaft positioning block 31 is connected with one end of the eccentric shaft 2, an arc-shaped chute 34 is formed on the eccentric shaft positioning block 31, one end of the screw 33 is fixedly connected with the mounting side plate 12, the other end of the screw 33 passes through the chute 34 to be in threaded connection with the locking nut 32, when the eccentric shaft 2 rotates, the supporting roller 4 also adjusts the position of the supporting roller along with the rotation of the eccentric shaft 2, and in the rotation process, the eccentric shaft positioning block 31 also rotates along with the rotation, and the chute 34 plays a guiding role.
Preferably, a bearing 6 is arranged between the eccentric shaft 2 and the support roller 4, a gland 7 is sleeved on the eccentric shaft 2 on one side of the bearing 6, an elastic check ring 8 for pressing the gland 7 is clamped on the support roller 4, the bearing 6 is positioned through the gland 7 and the elastic check ring 8, the bearing 6 can be prevented from moving, the bearing 6 is prevented from driving the support roller 4 to rotate, meanwhile, the support roller 4 is prevented from directly rubbing the eccentric shaft 2, and the operation precision of the auxiliary support roller is effectively improved.
Further, a lubrication channel 5 is formed in one end of the eccentric shaft 2, an oil filling nozzle is arranged at one end of the lubrication channel 5, the other end of the lubrication channel 5 is communicated with gaps between the eccentric shaft 2 and the support roller 4, and the bearing 6 is lubricated and maintained through the lubrication channel 5, so that the whole device is better and stable in operation, and longer in service life.
Further, the number of the eccentric shafts 2 is four, the four eccentric shafts 2 are symmetrically arranged on the upper side and the lower side of the installation side plates 12 respectively, and the evenly arranged auxiliary supporting rollers can better provide supporting, clamping and centering functions for the casting blank in the guide section.
When the secondary support roller for the secondary cooling section of the billet continuous casting machine is used, the whole device is installed above the guide section of the secondary cooling section through the installation bottom plate 11, when a casting blank reaches the secondary support roller, the casting blank passes through the support rollers 4 on two sides, under the action of the support rollers 4, the supporting, clamping and centering functions of the casting blank on the guide section are provided, uniformity of secondary cooling of the casting blank is ensured, the problem of the casting blank with high pulling rate is gradually solved, the secondary support roller has an adjustable function, when the casting blank with different sizes needs to be clamped, the eccentric shafts 2 on two sides are rotated, after the proper positions are adjusted, the locking nuts 32 are twisted, so that the eccentric shafts 2 are fixed, the distance adjustment of the support rollers 4 on two sides is realized, the applicability is improved, and simultaneously, after casting is stopped, the rollers exceeding the abrasion standard can be replaced or the opening of the rollers are adjusted, so that the clamping function of the casting blank is better met. The secondary cooling section auxiliary supporting roller of the billet continuous casting machine can clamp and support a casting blank, ensures high-pulling-speed production of billets, has stable quality, and has the characteristics of convenience in use and strong practicability.
While only the preferred embodiments of the present utility model have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these do not affect the effect of the implementation of the present utility model and the utility of the patent.
Claims (6)
1. The utility model provides a two cold leg auxiliary stay rollers of billet caster, its characterized in that, including side support roller frame (1), side support roller frame (1) include mounting plate (11) and four installation curb plates (12), four installation curb plate (12) two liang symmetries arrange perpendicularly both ends about mounting plate (11), both ends about be equipped with a plurality of eccentric shafts (2) on installation curb plate (12) respectively, eccentric shaft (2) on rotate and be connected with backing roll (4), installation curb plate (12) and backing roll (4) between be equipped with locking mechanism (3).
2. The secondary cooling section auxiliary supporting roller of the billet continuous casting machine according to claim 1, wherein the locking mechanism (3) comprises an eccentric shaft positioning block (31), a screw rod (33) and a locking nut (32), the eccentric shaft positioning block (31) is connected with one end of the eccentric shaft (2), an arc-shaped chute (34) is formed in the eccentric shaft positioning block (31), one end of the screw rod (33) is fixedly connected with the mounting side plate (12), and the other end of the screw rod (33) penetrates through the chute (34) to be in threaded connection with the locking nut (32).
3. The secondary cooling section auxiliary supporting roller of the billet caster as claimed in claim 1, wherein a bearing (6) is arranged between the eccentric shaft (2) and the supporting roller (4).
4. The secondary cooling section auxiliary supporting roller of the billet continuous casting machine according to claim 3, wherein a gland (7) is sleeved on the eccentric shaft (2) at one side of the bearing (6), and an elastic retainer ring (8) for pressing the gland (7) is clamped on the supporting roller (4).
5. The secondary cooling section auxiliary supporting roller of the billet continuous casting machine according to claim 1, wherein a lubrication channel (5) is formed at one end of the eccentric shaft (2), an oil filling nozzle is arranged at one end of the lubrication channel (5), and the other end of the lubrication channel (5) is communicated with a gap between the eccentric shaft (2) and the supporting roller (4).
6. The secondary cooling section auxiliary supporting roller of the billet caster according to claim 1, wherein the number of the eccentric shafts (2) is four, and the four eccentric shafts (2) are symmetrically arranged on the upper side and the lower side of the installation side plates (12) respectively in two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322291808.7U CN220636252U (en) | 2023-08-24 | 2023-08-24 | Secondary cooling section auxiliary supporting roller of small square billet continuous casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322291808.7U CN220636252U (en) | 2023-08-24 | 2023-08-24 | Secondary cooling section auxiliary supporting roller of small square billet continuous casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220636252U true CN220636252U (en) | 2024-03-22 |
Family
ID=90296221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322291808.7U Active CN220636252U (en) | 2023-08-24 | 2023-08-24 | Secondary cooling section auxiliary supporting roller of small square billet continuous casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220636252U (en) |
-
2023
- 2023-08-24 CN CN202322291808.7U patent/CN220636252U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |