CN220480186U - Adjusting and positioning structure for slab caster crystallizer - Google Patents
Adjusting and positioning structure for slab caster crystallizer Download PDFInfo
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- CN220480186U CN220480186U CN202321538767.0U CN202321538767U CN220480186U CN 220480186 U CN220480186 U CN 220480186U CN 202321538767 U CN202321538767 U CN 202321538767U CN 220480186 U CN220480186 U CN 220480186U
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- eccentric shaft
- crystallizer
- eccentric
- positioning structure
- slab caster
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- 238000009749 continuous casting Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000005266 casting Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
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- Continuous Casting (AREA)
Abstract
The utility model discloses a plate blank continuous casting machine crystallizer adjusting and positioning structure, which comprises a crystallizer and a vibrating table, and is characterized in that: an eccentric adjusting device is arranged on the crystallizer, and a clamping device matched with the eccentric adjusting device is arranged on the vibrating table; the clamping device comprises a fixing bracket, the upper part of the fixing bracket is U-shaped, and clamping blocks and bolts II are correspondingly arranged on two sides of the fixing bracket respectively; the eccentric adjusting device comprises an eccentric shaft support connected with the crystallizer through bolts, an eccentric shaft is arranged at the lower part of the eccentric shaft support, and an eccentric surface of the eccentric shaft is matched with the two clamping blocks. The structure of the utility model has the characteristics of simple structure and convenient maintenance, and two clamping and fixing modes are adopted simultaneously after the crystallizer is adjusted, so that the stability of the crystallizer is greatly ensured, and the stability of the casting blank quality is further improved.
Description
Technical Field
The utility model belongs to the technical field of ferrous metallurgy continuous casting equipment, and relates to an adjusting and positioning structure of a slab caster crystallizer.
Background
In the slab continuous casting equipment, the crystallizer is a core part in the continuous casting machine, and the crystallizer is used for forcedly cooling molten steel continuously injected into the inner cavity of the crystallizer through a water-cooled copper wall, leading out the heat of the molten steel, gradually solidifying the molten steel into a casting blank with a required section shape and a certain blank shell thickness, and continuously pulling out the casting blank with the core part still being in a liquid phase from the lower opening of the crystallizer, thereby creating conditions for complete solidification in a secondary cooling area. In the existing structure, the crystallizer is directly arranged on a hydraulic vibration table, and the arc connecting precision of a foot roller and a zero section roller of the crystallizer is an important point and a difficult point in production and maintenance. In the actual production process, due to the periodic vibration of the vibration table, the original crystallizer is adjusted to position the structure, after the arc connection precision is adjusted, the crystallizer can not be effectively fixed, the arc leakage phenomenon is easy to occur, and the quality defects such as billet angle cracks, subcutaneous cracks and the like can be caused after the arc connection is out of tolerance.
Therefore, an effective fixing device is needed to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a slab caster crystallizer adjusting and positioning structure so as to solve the problems in the prior art.
The utility model is realized by the following technical scheme: the utility model provides a slab caster crystallizer adjustment location structure, includes crystallizer and shaking table, its characterized in that: an eccentric adjusting device is arranged on the crystallizer, and a clamping device matched with the eccentric adjusting device is arranged on the vibrating table; the clamping device comprises a fixing bracket, the upper part of the fixing bracket is U-shaped, and clamping blocks and bolts II are correspondingly arranged on two sides of the fixing bracket respectively; the eccentric adjusting device comprises an eccentric shaft support connected with the crystallizer through bolts, an eccentric shaft is arranged at the lower part of the eccentric shaft support, and an eccentric surface of the eccentric shaft is matched with the two clamping blocks.
Further: the two sides of the upper part of the fixing support are respectively provided with a first threaded hole and a second threaded hole, the first threaded hole is in threaded fit with the bolt II, and the second threaded hole is in threaded fit with the screw rod on the clamping block.
Further: the clamping block is provided with a locking nut, and the bolt II is provided with a nut.
Further: a flat key I for limiting is arranged between the fixed support and the vibrating table.
Further: and two ends of the eccentric shaft are respectively in running fit with the eccentric shaft support and the crystallizer.
Further: the middle part of the eccentric shaft is provided with an eccentric surface, and the outer end of the eccentric shaft is provided with an external spline and a hexagon head.
Further: the spline housing is matched with an external spline on the eccentric shaft, and the spline housing is arranged on the eccentric shaft support through a screw.
Further: the clamping block is in threaded fit or integral connection with the screw.
The beneficial effects of the utility model are as follows: the structure of the utility model has the characteristics of simple structure and convenient maintenance, and two clamping and fixing modes are adopted simultaneously after the crystallizer is adjusted, so that the stability of the crystallizer is greatly ensured, and the stability of the casting blank quality is further improved.
In addition, the eccentric shaft structure with the spline fixing mode is adopted, so that the stability of the eccentric shaft under the periodic vibration working condition in the production process of the crystallizer is ensured. The jackscrew and the locking structure of the clamping device further improve the stability of the crystallizer. The screw rod of the clamping block is adjusted and locked, so that on-line adjustment can be realized, the trouble of adjusting gaskets by hanging off the crystallizer is avoided, the arc connection adjustment efficiency is improved, and the maintenance cost is reduced.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
FIG. 2 is a front view of the eccentric adjustment device of the present utility model;
FIG. 3 is a cross-sectional view of an eccentric adjustment device of the present utility model;
FIG. 4 is a schematic perspective view of an eccentric shaft of the present utility model;
FIG. 5 is a schematic perspective view of an eccentric adjustment device of the present utility model;
FIG. 6 is a front view of the clamping device of the present utility model;
FIG. 7 is a cross-sectional view of the clamping device of the present utility model;
FIG. 8 is a schematic perspective view of a fixing bracket according to the present utility model;
FIG. 9 is a schematic perspective view of a screw and clamping block of the present utility model;
fig. 10 is a schematic perspective view of the clamping device of the present utility model.
Wherein, the device comprises a 1-crystallizer, a 2-vibrating table, a 3-clamping device and a 4-eccentric adjusting device;
3.1-fixed brackets, 3.2-bolts I, 3.3-flat keys I, 3.4-screws, 3.5-lock nuts, 3.6-clamping blocks, 3.7-nuts, 3.8-bolts II, 3.11-first threaded holes and 3.12-second threaded holes;
4.1-eccentric shaft support, 4.2-flat key II, 4.3-bolt III, 4.4-bushing I, 4.5-eccentric shaft, 4.6-bushing II, 4.7-spline housing, 4.8-screw, 4.51-external spline, 4.52-hexagonal head, 4.53-eccentric face.
Detailed Description
Please refer to fig. 1-10. The utility model discloses a slab caster crystallizer adjusting and positioning structure, which comprises a crystallizer 1 and a vibrating table 2, wherein an eccentric adjusting device 4 is arranged on the crystallizer 1, and a clamping device 3 matched with the eccentric adjusting device 4 is arranged on the vibrating table 2; the clamping device 3 comprises a fixed support 3.1, wherein the lower part of the fixed support 3.1 is fixedly connected with the vibrating table 2 through a bolt I3.2, the upper part of the fixed support 3.1 is U-shaped, and clamping blocks 3.6 (specifically, the clamping blocks are positioned on the inner side of the U shape, and a screw on the clamping blocks is arranged on a column) and bolts II3.8 are respectively and correspondingly arranged on two sides (in the shape of two column parts) of the U shape; the eccentric adjusting device 4 comprises an eccentric shaft support 4.1 connected with the crystallizer 1 through bolts, an eccentric shaft 4.5 is arranged at the lower part of the eccentric shaft support 4.1, and an eccentric surface 4.53 of the eccentric shaft 4.5 (namely the outer surface of a middle eccentric wheel of the eccentric shaft) is matched with the two clamping blocks 3.6 and clamped by the two clamping blocks; at the same time, the side of the eccentric shaft support 4.1 is clamped by two bolts II, so that a stable fit between the eccentric adjustment device 4 and the clamping device 3 is achieved.
Preferably: the two upright posts at the upper part of the fixed support 3.1 are respectively provided with a first threaded hole 3.11 and a second threaded hole 3.12, the first threaded hole 3.11 is in threaded fit with the bolt II3.8, and the second threaded hole 3.12 is in threaded fit with the screw rod 3.4 on the clamping block 3.6.
Preferably: a locking nut 3.5 is arranged on the clamping block 3.6 and a nut 3.7 is arranged on the bolt II 3.8.
Preferably: be provided with the parallel key I3.3 that is used for spacing between fixed bolster 3.1 and shaking table 2, parallel key I sets up in the keyway that corresponds the setting on fixed bolster 3.1 and shaking table 2, can guarantee that the position between the II person is stable relatively.
Preferably: and two ends of the eccentric shaft 4.5 are respectively in running fit with the eccentric shaft support 4.1 and the crystallizer 1. Further, a bushing II4.6 is provided between the eccentric shaft 4.5 and the eccentric shaft holder 4.1, and a bushing I4.4 is provided between the eccentric shaft 4.5 and the crystallizer 1.
Preferably: the middle part of the eccentric shaft 4.5 is provided with an eccentric surface 4.53, one outward end is provided with an external spline 4.51 and a hexagonal head 4.52, the external spline 4.51 is used for realizing limit by matching with a spline housing 4.7, the shaft is prevented from rotating, and the hexagonal head 4.52 is arranged at the outermost end and used for pulling so as to enable the shaft to rotate.
Preferably: the eccentric shaft support 4.1 further comprises a spline housing 4.7, the spline housing 4.7 is matched with an external spline 4.51 on the eccentric shaft 4.5, and the spline housing 4.7 is arranged on the eccentric shaft support 4.1 through a screw 4.8.
Preferably: the clamping block 3.6 and the screw 3.4 are in threaded fit or integrally connected.
Preferably: the eccentric shaft support 4.1 is fixedly connected with the crystallizer 1 through a bolt III4.3, and a flat key II4.2 for limiting is arranged between the eccentric shaft support 4.1 and the crystallizer 1.
The present utility model will be described in detail with reference to specific examples and modes of use thereof.
Examples
The crystallizer adjusting and positioning structure of the slab caster of the embodiment comprises a crystallizer 1, a vibrating table 2, a clamping device 3 and an eccentric adjusting device 4. The eccentric shaft support 4.1 is fixed on the crystallizer 1 through a plurality of bolts III4.3, and in order to ensure that the eccentric shaft support 4.1 and the crystallizer 1 are firmly fixed, a flat key II4.2 is designed at the joint surface of the eccentric shaft support 4.1; one end of the eccentric shaft 4.5 is arranged in the crystallizer 1 with the concave round hole, and the other end is arranged in the eccentric shaft support 4.1 with the round hole, and the self-lubricating bushing I4.4 and the bushing II4.6 are also arranged for ensuring the rotation of the eccentric shaft; one end of the eccentric shaft 4.5 is provided with an external spline 4.51 and a hexagon head 4.52, and a spline housing 4.7 provided with an internal spline is matched with the external spline 4.51 of the eccentric shaft 4.5 and is fixed with the eccentric shaft support 4.1 through a screw 4.8. The fixed bracket 3.1 is fixed on the vibrating table 2 through a plurality of bolts I3.2, and a flat key I3.3 is designed at the joint surface of the fixed bracket 3.1 and the vibrating table 2 in order to ensure firm fixation; the concave fixed support 3.1 is provided with a first threaded hole 3.11 and a second threaded hole 3.12, one end of the screw rod 3.4 passes through the second threaded hole 3.12 of the fixed support 3.1 through threaded rotation, and then the clamping block 3.6 provided with the same threads is fixedly connected with the screw rod 3.4; the bolt II3.8 is matched with the threaded first threaded hole 3.11, so that the bolt II3.8 is difficult to loosen after being positioned, the nut 3.7 is arranged on the bolt II, and when the nut 3.7 is attached to the side face of the fixed support 3.1, the anti-loosening effect of the bolt II is achieved.
The structure is mainly applied to the positioning adjustment of the crystallizer and the vibrating table of the slab continuous casting machine so as to ensure that the arc connection between the foot roller and the zero section roller of the crystallizer meets the precision requirement. When the device is used, firstly, the distance between two clamping blocks 3.6 of the clamping device 3 is adjusted to the diameter distance of an eccentric surface 4.53 of the eccentric shaft 4.5, at the moment, two locking nuts 3.5 are guaranteed to be not attached to the fixed support 3.1, then the crystallizer 1 provided with the eccentric adjusting device 4 is placed on the vibrating table 2, the eccentric surface 4.53 of the eccentric shaft 4.5 is guaranteed to be in contact with the surfaces of the two clamping blocks 3.6, at the moment, arc connection precision of a foot roller and a zero section roller of the crystallizer is measured, when the arc connection precision meets the requirement, the locking nuts 3.5 are fastened, the complete attachment with the fixed support 3.1 is guaranteed, then a bolt II3.8 is adjusted to be attached to the eccentric shaft support 4.1, and the nuts 3.7 are fastened; when the arc connection precision does not meet the requirement, the screw 4.8 is disassembled, the spline sleeve 4.7 is disassembled, then a spanner is used for rotating the hexagon head 4.52 on the eccentric shaft 4.5, at the moment, the eccentric adjusting device 4 and the crystallizer 1 are driven to horizontally move by the reaction force of the thrust force of the rotation of the eccentric shaft 4.5, when the arc connection of the foot roller and the zero section roller of the crystallizer is measured to meet the requirement, the spline sleeve 4.7 and the screw 4.8 are immediately installed back, then the locking nut 3.5 is fastened, the bolt II3.8 is adjusted to be attached to the eccentric shaft support 4.1, and the nut 3.7 is fastened; when the above adjustment cannot meet the requirement of arc connection precision, the screws 3.4 on two sides can be synchronously adjusted to the same I direction (the distance between the two clamping blocks 3.6 is required to be ensured to be adjusted to the diameter distance of the eccentric surface 4.53 of the eccentric shaft 4.5), then a spanner is continuously used for rotating the hexagon head 4.52 on the eccentric shaft 4.5 according to the steps, when the arc connection of the foot roller and the zero-section roller of the crystallizer is measured to meet the requirement, the spline sleeve 4.7 and the screw 4.8 are installed back, then the locking nut 3.5 is fastened, the bolt II3.8 is adjusted to be attached to the eccentric shaft support 4.1, and the nut 3.7 is fastened. The crystallizer adjusting and positioning structure of the slab continuous casting machine is suitable for arc connecting precision adjustment of a foot roller and a zero-section roller of the crystallizer, has a simple design structure, avoids the trouble that the crystallizer needs to be lifted to adjust a gasket after the adjustment stroke of an eccentric shaft is overrun, realizes the function of on-line adjustment, ensures the requirement of locking strength by adopting a spline for positioning the eccentric shaft, increases the functions of clamping and locking jackscrews of an eccentric shaft adjusting device on the crystallizer, further ensures the stability of arc connecting precision, reduces maintenance cost and ensures the stability of the production quality of slab continuous casting billets.
Claims (8)
1. The utility model provides a slab caster crystallizer adjustment location structure, includes crystallizer (1) and shaking table (2), its characterized in that: an eccentric adjusting device (4) is arranged on the crystallizer (1), and a clamping device (3) matched with the eccentric adjusting device (4) is arranged on the vibrating table (2);
the clamping device (3) comprises a fixed bracket (3.1), the upper part of the fixed bracket (3.1) is U-shaped, and clamping blocks (3.6) and bolts II (3.8) are correspondingly arranged on two sides of the fixed bracket respectively;
the eccentric adjusting device (4) comprises an eccentric shaft support (4.1) connected with the crystallizer (1) through bolts, an eccentric shaft (4.5) is arranged at the lower part of the eccentric shaft support (4.1), and an eccentric surface (4.53) of the eccentric shaft (4.5) is matched with the two clamping blocks (3.6).
2. The slab caster mold adjusting and positioning structure according to claim 1, wherein: the two sides of the upper part of the fixed support (3.1) are respectively provided with a first threaded hole (3.11) and a second threaded hole (3.12), the first threaded hole (3.11) is in threaded fit with the bolt II (3.8), and the second threaded hole (3.12) is in threaded fit with the screw rod (3.4) on the clamping block (3.6).
3. The slab caster mold adjusting and positioning structure according to claim 1, wherein: a locking nut (3.5) is arranged on the clamping block (3.6), and a nut (3.7) is arranged on the bolt II (3.8).
4. The slab caster mold adjusting and positioning structure according to claim 1, wherein: a flat key I (3.3) for limiting is arranged between the fixed support (3.1) and the vibrating table (2).
5. The slab caster mold adjusting and positioning structure according to claim 1, wherein: and two ends of the eccentric shaft (4.5) are respectively in running fit with the eccentric shaft support (4.1) and the crystallizer (1).
6. The slab caster mold adjusting and positioning structure according to claim 1, wherein: the middle part of the eccentric shaft (4.5) is provided with an eccentric surface (4.53), and the outer end of the eccentric shaft is provided with an external spline (4.51) and a hexagonal head (4.52).
7. The slab caster mold adjusting and positioning structure according to claim 1, wherein: the novel eccentric shaft is characterized by further comprising a spline housing (4.7), wherein the spline housing (4.7) is matched with an external spline (4.51) on the eccentric shaft (4.5), and the spline housing (4.7) is arranged on the eccentric shaft support (4.1) through a screw (4.8).
8. The slab caster mold adjusting and positioning structure according to claim 1, wherein: the clamping block (3.6) and the screw rod (3.4) are in threaded fit or integral connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321538767.0U CN220480186U (en) | 2023-06-16 | 2023-06-16 | Adjusting and positioning structure for slab caster crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321538767.0U CN220480186U (en) | 2023-06-16 | 2023-06-16 | Adjusting and positioning structure for slab caster crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220480186U true CN220480186U (en) | 2024-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321538767.0U Active CN220480186U (en) | 2023-06-16 | 2023-06-16 | Adjusting and positioning structure for slab caster crystallizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220480186U (en) |
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2023
- 2023-06-16 CN CN202321538767.0U patent/CN220480186U/en active Active
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