CN218134846U - Withdrawal and straightening machine for continuous casting of square billets - Google Patents
Withdrawal and straightening machine for continuous casting of square billets Download PDFInfo
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- CN218134846U CN218134846U CN202221751915.2U CN202221751915U CN218134846U CN 218134846 U CN218134846 U CN 218134846U CN 202221751915 U CN202221751915 U CN 202221751915U CN 218134846 U CN218134846 U CN 218134846U
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Abstract
The utility model relates to a square billet continuous casting is with drawing machine of rectifying, including drawing straightening frame, upper portion backing roll, lower part backing roll, draw straightening elevating gear, drive arrangement, upper corner supporting wheel, lower corner supporting wheel and side direction strutting arrangement, the rotatable setting of lower part backing roll is on drawing straightening the frame, drive arrangement installs on drawing straightening the frame and drive arrangement is connected with the transmission of lower part backing roll, draws straightening elevating gear and installs at drawing straightening frame top and draw straightening elevating gear transmission and connect the upper portion backing roll, the square billet size is accurate, prevents steel leakage.
Description
Technical Field
The utility model relates to a metal continuous casting technical field especially relates to a square billet is drawing and straightening machine for continuous casting.
Background
When the existing continuous casting production line is used for production, a fixed-length cutting system is usually adopted, the length and the weight are given by steel rolling, the length of a steel billet is calculated by continuous casting, the length is usually not adjusted after the length is fixed, the fixed-length cutting can not ensure that the weight of each steel billet is similar, even the deviation is large, when the deviation occurs, the deviation can not be found and adjusted in time, and finally the steel billet tail cutting length of a first rolling mill is different, and the universal ratio is high.
In the continuous casting production, because the heat dissipation is fastest under the initial state of the corner of the square billet, the square billet is separated from the crystallizer due to the action of expansion with heat and contraction with cold at the earliest time, and then in the actual production, the steel leakage at the corner of the square billet is the most.
SUMMERY OF THE UTILITY MODEL
For overcoming the technical defect that prior art exists, the utility model provides a square billet is drawing and straightening machine for continuous casting, the square billet size is accurate, prevents the bleed-out.
The utility model discloses a technical solution be:
the withdrawal and straightening machine for the continuous casting of the square billets comprises a withdrawal and straightening frame, an upper supporting roller, a lower supporting roller, a withdrawal and straightening lifting device, a driving device, two upper corner supporting wheels, two lower corner supporting wheels and two lateral supporting devices, wherein the lower supporting roller is rotatably arranged on the withdrawal and straightening frame, the driving device is installed on the withdrawal and straightening frame and is in transmission connection with the lower supporting roller, the withdrawal and straightening lifting device is installed at the top of the withdrawal and straightening frame and is in transmission connection with the upper supporting roller, the upper supporting roller is driven by the withdrawal and straightening lifting device to move relative to the withdrawal and straightening frame along the vertical direction, each upper corner supporting wheel is circumferentially fixed on the upper supporting roller, each upper corner supporting wheel axially slides along the upper supporting roller, each lateral supporting device horizontally moves along the withdrawal and straightening frame, each upper corner supporting wheel is in transmission connection with the corresponding lateral supporting device, each lower corner supporting wheel is circumferentially fixed on the lower supporting roller and axially slides along the lower supporting roller, and each lower corner supporting wheel is in transmission connection with the corresponding lateral supporting device.
Preferably, the driving device is a motor.
Preferably, the upper support roller and the lower support roller are both flat rollers.
Preferably, each lateral supporting device comprises two lateral supporting oil cylinders and a lateral supporting roller, and two ends of the lateral supporting roller are rotatably mounted on the two lateral supporting oil cylinders.
Preferably, the global of upper corner supporting wheel forms two mutually perpendicular's holding surface, connect through the key-type between upper corner supporting wheel and the upper portion backing roll, install first wearing and tearing compensation arrangement on the side direction strutting arrangement, first wearing and tearing compensation arrangement is including adorning the first wearing and tearing compensation base on corresponding side direction support cylinder output admittedly, install first top connection piece through the screw thread pair on the first wearing and tearing compensation base, first top connection piece embedding corresponds in the groove that upper corner supporting wheel was predetermine.
Preferably, two mutually perpendicular supporting surfaces are formed on the circumferential surface of the lower corner supporting wheel, the lower corner supporting wheel is connected with the lower supporting roller through a key, a second abrasion compensation device is installed on the lateral supporting device and comprises a second abrasion compensation base fixedly installed on the output end of the corresponding lateral supporting oil cylinder, a second jacking piece is installed on the second abrasion compensation base through a thread pair, and the second jacking piece is embedded into a groove preset in the corresponding lower corner supporting wheel.
The utility model has the advantages that:
the lower supporting rollers are rotatably arranged on the pulling and straightening frame, the driving device is installed on the pulling and straightening frame, the driving device 55 is in transmission connection with the lower supporting rollers, the driving device drives the lower supporting rollers to rotate so as to pull the dummy bar and the blank in the forward core gradual crystallization, the pulling and straightening lifting device is installed at the top of the pulling and straightening frame and is in transmission connection with the upper supporting rollers, the upper supporting rollers are driven by the pulling and straightening lifting device to move relative to the pulling and straightening frame along the vertical direction so as to change the thickness of the blank in the core crystallization, the thickness of each steel billet is adjusted in real time, the length of the square billet corresponding to the set quality of each steel billet is controlled not to generate severe deviation, each upper corner supporting wheel is circumferentially fixed on the upper supporting rollers, each upper corner supporting wheel slides axially along the upper supporting rollers, each lateral supporting device moves horizontally along the pulling and straightening frame, and each upper corner supporting wheel is in transmission connection with the corresponding lateral supporting device.
Lateral support device drives the upper corner supporting wheel to reach the set position in the position adjusting process, control the width between each upper corner supporting wheel, the upper corner supporting wheel adjusts the upper and lower positions under the drive of a pulling and straightening lifting device, further control the thickness of the square billet, avoid the unevenness of the upper side of the blank, better support the corner of the square billet to prevent the steel leakage, each lower corner supporting wheel is circumferentially fixed on a lower supporting roller, the lower corner supporting wheel slides along the lower supporting roller axially, each lower corner supporting wheel is in transmission connection with the corresponding lateral support device, the lateral support device drives the lower corner supporting wheel to reach the set position in the position adjusting process, control the width between each lower corner supporting wheel, the support height of the lower corner supporting wheel is equal to that of the lower supporting roller, avoid the unevenness of the lower side of the blank, and better support the corner of the square billet to prevent the steel leakage.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view of a point a in fig. 1.
Description of reference numerals:
51. pulling and straightening the frame; 52. an upper support roll; 53. a lower support roll; 54. a withdrawal and straightening lifting device; 55. a drive device; 56. an upper corner support wheel; 57. a lower corner support wheel; 58. a lateral support device; 581. a support cylinder; 582. a lateral supporting roller; 583. a first wear compensation device; 5831. a first wear compensation base; 5832. a first jacking member.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1-2, the present embodiment provides a withdrawal and straightening machine for continuous casting of a billet, comprising a withdrawal and straightening frame 51, an upper support roller 52, a lower support roller 53, a withdrawal and straightening elevator 54, a driving device 55, two upper corner support rollers 56, two lower corner support rollers 57 and two lateral support rollers 58, wherein the lower support roller 53 is rotatably disposed on the withdrawal and straightening frame 51, the driving device 55 is mounted on the withdrawal and straightening frame 51 and the driving device 55 is in transmission connection with the lower support roller 53, the driving device 55 drives the lower support roller 53 to rotate and further pulls a dummy bar and a billet in the forward core gradual crystallization, the driving device 55 is a motor, the withdrawal and straightening elevator 54 is mounted on the top of the withdrawal and straightening frame 51 and the withdrawal and straightening elevator 54 is in transmission connection with the upper support roller 52, the upper support roller 52 is driven by the withdrawal and straightening elevator 54 to move in the vertical direction relative to the withdrawal and straightening frame 51 so as to change the thickness of the billet in the core gradual crystallization, the thickness of each billet is adjusted at all times, the upper corner is controlled so as not to have severe deviation of the length of the billet corresponding to the set billet, each upper support roller 52 and each upper support roller 56 is fixed on the lateral support roller 52, and each lateral support roller 56 along the axial direction of the upper support roller 58, and each support roller 51.
The lateral supporting device 58 drives the upper corner supporting wheel 56 to reach a set position in the position adjusting process, the width between the upper corner supporting wheels 56 is controlled, the upper corner supporting wheel 56 is adjusted to be in the upper and lower positions under the driving of the pulling and straightening lifting device 54, the thickness of a square billet is further controlled, the upper side of the square billet is prevented from being uneven, steel leakage is better prevented in the corner of the supported square billet, each lower corner supporting wheel 57 is circumferentially fixed on the lower supporting roller 53, the lower corner supporting wheel 57 slides axially along the lower supporting roller 53, each lower corner supporting wheel 57 is in transmission connection with the corresponding lateral supporting device 58, the lateral supporting device 58 drives the lower corner supporting wheel 57 to reach the set position in the position adjusting process, the width between the lower corner supporting wheels 57 is controlled, the supporting heights of the lower corner supporting wheel 57 and the lower supporting roller 53 are equal, the lower side of the square billet is prevented from being uneven, and the corner of the supported square billet is better prevented from steel leakage.
Each lateral supporting device 58 comprises two lateral supporting oil cylinders 581 and lateral supporting rollers 582, two ends of each lateral supporting roller 582 are rotatably installed on the two lateral supporting oil cylinders 581, two mutually perpendicular supporting surfaces are formed on the peripheral surface of the upper corner supporting wheel 56 and are used for supporting the corners of a square billet respectively, the upper corner supporting wheel 56 and the upper supporting roller 52 are connected through keys to realize circumferential fixation, a first abrasion compensation device 583 is installed on each lateral supporting device 58, each first abrasion compensation device 583 comprises a first abrasion compensation base 5831 fixedly installed on the output end of the corresponding lateral supporting oil cylinder 581, a first abutting piece 5832 is installed on each first abrasion compensation base 5831 through a thread pair, each first abutting piece 5832 is embedded into a groove preset on the corresponding upper corner supporting wheel 56, and the first abutting piece 5832 can ensure the supporting force of the side surface of the upper corner supporting wheel 56 through adjustment on the first abrasion compensation base 5831, the abrasion between the first jacking piece 5832 and the upper corner supporting wheel 56 is compensated timely, two supporting surfaces which are perpendicular to each other are formed on the circumferential surface of the lower corner supporting wheel 57, the lower corner supporting wheel 57 is connected with the lower supporting roller 53 through a key, a second abrasion compensation device is installed on the lateral supporting device 58 and comprises a second abrasion compensation base which is fixedly installed on the output end of the corresponding lateral supporting oil cylinder 581, a second jacking piece is installed on the second abrasion compensation base through a thread pair and is embedded into a preset groove of the corresponding lower corner supporting wheel 57, the supporting force of the lower corner supporting wheel 57 on the side surface of a blank is guaranteed through the adjustment of the second jacking piece on the second abrasion compensation base, and the abrasion between the second jacking piece and the lower corner supporting wheel 57 is compensated timely.
Having shown and described the fundamental principles and the principal features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (6)
1. The withdrawal and straightening machine for the continuous casting of the square billets is characterized by comprising a withdrawal and straightening frame, an upper supporting roller, a lower supporting roller, a withdrawal and straightening lifting device, a driving device, two upper corner supporting wheels, two lower corner supporting wheels and two lateral supporting devices, wherein the lower supporting roller is rotatably arranged on the withdrawal and straightening frame, the driving device is installed on the withdrawal and straightening frame and is in transmission connection with the lower supporting roller, the withdrawal and straightening lifting device is installed at the top of the withdrawal and straightening frame and is in transmission connection with the upper supporting roller, the upper supporting roller is driven by the withdrawal and straightening lifting device to move relative to the withdrawal and straightening frame in the vertical direction, each upper corner supporting wheel is circumferentially fixed on the upper supporting roller and axially slides along the upper supporting roller, each lateral supporting device horizontally moves along the withdrawal and straightening frame, each upper corner supporting wheel is in transmission connection with the corresponding lateral supporting device, each lower corner supporting wheel is circumferentially fixed on the lower supporting roller and axially slides along the lower supporting roller, and each lower corner supporting wheel is in transmission connection with the corresponding lateral supporting device.
2. The withdrawal and straightening machine for continuous billet casting according to claim 1, wherein the driving device is a motor.
3. The withdrawal and straightening machine for continuous billet casting according to claim 1, wherein the upper supporting roll and the lower supporting roll are both flat rolls.
4. The withdrawal and straightening unit for continuous billet casting according to claim 1, wherein each of the lateral support devices comprises two lateral support cylinders and a lateral support roller, and both ends of the lateral support roller are rotatably mounted on the two lateral support cylinders.
5. The withdrawal and straightening machine for continuous billet casting according to claim 4, wherein two mutually perpendicular supporting surfaces are formed on the peripheral surface of the upper corner supporting wheel, the upper corner supporting wheel is connected with the upper supporting roll through a key, a first abrasion compensation device is installed on the lateral supporting device, the first abrasion compensation device comprises a first abrasion compensation base fixedly installed on the output end of the corresponding lateral supporting oil cylinder, a first jacking piece is installed on the first abrasion compensation base through a thread pair, and the first jacking piece is embedded into a groove preset on the corresponding upper corner supporting wheel.
6. The withdrawal and straightening machine for continuous billet casting according to claim 4, wherein two supporting surfaces which are perpendicular to each other are formed on the circumferential surface of the lower corner supporting wheel, the lower corner supporting wheel is connected with the lower supporting roll through a key, a second abrasion compensation device is installed on the lateral supporting device, the second abrasion compensation device comprises a second abrasion compensation base which is fixedly installed on the output end of the corresponding lateral supporting oil cylinder, a second jacking piece is installed on the second abrasion compensation base through a thread pair, and the second jacking piece is embedded into a groove preset on the corresponding lower corner supporting wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221751915.2U CN218134846U (en) | 2022-07-08 | 2022-07-08 | Withdrawal and straightening machine for continuous casting of square billets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221751915.2U CN218134846U (en) | 2022-07-08 | 2022-07-08 | Withdrawal and straightening machine for continuous casting of square billets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218134846U true CN218134846U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221751915.2U Active CN218134846U (en) | 2022-07-08 | 2022-07-08 | Withdrawal and straightening machine for continuous casting of square billets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218134846U (en) |
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2022
- 2022-07-08 CN CN202221751915.2U patent/CN218134846U/en active Active
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