CN109226734B - Automatic flow control device for tundish nozzle - Google Patents
Automatic flow control device for tundish nozzle Download PDFInfo
- Publication number
- CN109226734B CN109226734B CN201811375274.3A CN201811375274A CN109226734B CN 109226734 B CN109226734 B CN 109226734B CN 201811375274 A CN201811375274 A CN 201811375274A CN 109226734 B CN109226734 B CN 109226734B
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- CN
- China
- Prior art keywords
- plate frame
- main shaft
- slide plate
- sliding plate
- control device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
- B22D41/38—Means for operating the sliding gate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention provides an automatic flow control device for a tundish nozzle, which comprises an upper nozzle, a lower slide plate frame, an upper slide plate frame and a main shaft, wherein the upper slide plate frame is arranged on the upper slide plate frame; the lower slide plate frame is arranged on the bottom surface of the tundish, comprises two stepped cylindrical holes for installing a lower water gap, and also comprises a waist-shaped stepped hole for installing a slide block; the center of the upper slide plate frame is provided with a step cylindrical hole for installing an upper water gap, the upper slide plate frame is arranged above the lower slide plate frame, and the lower slide plate frame is connected with the upper slide plate frame through a main shaft; the cross section of the main shaft is cylindrical, the upper end of the main shaft is positioned in the upper sliding plate frame, and the lower end of the main shaft penetrates through the lower sliding plate frame. According to the invention, the automatic control device is used for rotating the lower slide plate frame, so that the effective sections of the steel holes of the upper water gap and the lower water gap are adjusted, and the control of steel flow is realized. The problem of replacing the whole tundish due to the out-of-control stopper rod is avoided, the service life of the tundish is prolonged, and meanwhile, the stability of continuous casting production plays a great role in the quality of billets due to stable flow.
Description
Technical Field
The invention belongs to the technical field of tundish nozzle flow control devices, and particularly relates to an automatic tundish nozzle flow control device.
Background
At present, in the continuous casting process, the control of the flow of the tundish is mainly realized by adopting the up-and-down motion of a stopper rod and adjusting the gap between the stopper rod and a water feeding port, a water feeding port hole and a stopper rod head are easily corroded by molten steel in the continuous casting process, so that the flow control is unstable, and even after casting for a certain time, the stopper rod is abnormally broken, so that the steel flow is out of control. The other mode is to realize the stability of the flow through a sizing nozzle mode, but the aperture is enlarged and the flow is overlarge due to molten steel erosion.
Disclosure of Invention
In order to solve the problems in the background technology, the invention provides an automatic flow control device for a tundish nozzle, which comprises a water inlet, a water outlet, a lower sliding plate frame, an upper sliding plate frame and a main shaft;
the lower slide plate frame is arranged on the bottom surface of the tundish, the lower slide plate frame comprises two stepped cylindrical holes for installing the lower water gap, and the lower slide plate frame also comprises a waist-shaped stepped hole for installing a slide block;
the center of the upper slide plate frame is provided with a step cylindrical hole for installing the upper water gap, the upper slide plate frame is arranged above the lower slide plate frame, and the lower slide plate frame is connected with the upper slide plate frame through the main shaft;
the cross section of the main shaft is cylindrical, the upper end of the main shaft is positioned in the upper sliding plate frame, the lower end of the main shaft penetrates through the lower sliding plate frame, and the inside of the main shaft is hollow.
Preferably, the device further comprises a spherical gasket, a first disc spring, a gasket and a lock nut, wherein the lock nut is sleeved on the lower end of the main shaft, the gasket is arranged above the lock nut, the first disc spring is arranged above the gasket, the spherical gasket is arranged above the first disc spring, and the spherical gasket is positioned in the position, penetrated by the main shaft, of the lower end of the sliding plate frame; the lower end of the main shaft further comprises a cotter pin, a third standard type spring washer and a hexagon head bolt, wherein the cotter pin is positioned in the main shaft, and the third standard type spring washer is positioned above the hexagon head bolt. According to the invention, the first disc spring is tightly pressed by tightening the hexagon head bolt, so that the upper water gap and the lower water gap are sealed.
Preferably, the sliding plate rack further comprises a compression screw plug, a compression ring, a second disc spring and a first fixing block, wherein the compression screw plug compresses the compression ring, the compression ring compresses the second disc spring, and the second disc spring compresses the first fixing block at the front end of the sliding plate rack.
Preferably, the automatic control device is positioned inside the main shaft.
Preferably, the spindle further comprises a processor, a timing device and a motor, wherein the processor is located in the spindle, and the timing device and the motor are located in the processor.
Preferably, the device further comprises a first gear and a second gear, wherein the first gear and the second gear are mutually parallel, mutually clamped and embedded and positioned in the main shaft, the circle center of the first gear is connected with a rotating shaft, the rotating shaft is connected with the processor, the circle center of the second gear is connected with an inverted T-shaped rotating shaft, and the lower end of the inverted T-shaped rotating shaft horizontally penetrates through the main shaft and extends into the sliding plate frame.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the upper slide plate frame rotates around the main shaft through the automatic control device, so that the effective sections of the steel holes of the upper water gap and the lower water gap are adjusted, and the control of steel flow is realized. The problem that the whole tundish needs to be replaced due to out-of-control stopper in the prior art is avoided, the service life of the tundish is prolonged, and meanwhile, the flow is stable, so that the quality of billets and the stability of continuous casting production are greatly improved.
Drawings
FIG. 1 is a schematic diagram of a cross-sectional view of A-A.
FIG. 2 is a schematic diagram of a part set.
Fig. 3 is an assembly view.
Fig. 4 is a flow control schematic.
Fig. 5 is a schematic view of the position of the automatic control device.
Fig. 6 is a structural diagram of the automatic control device.
In the figure: 1. compressing the screw plug; 2. a compression ring; 3. a disc spring; 4. a first fixed block; 5. a compaction block; 6. a first standard spring washer; 7. a first hexagon socket head cap screw (M10 x 35); 8. a lower sliding plate frame; 9. an upper sliding plate frame; 10. a water feeding port; 11. a water outlet; 12. a connecting plate; 13. a second standard spring washer; 14. the second hexagon socket head cap screw; 15. a main shaft; 16. a spherical washer; 17. a dish ; 18. a gasket; 19. a lock nut; 20. a cotter pin; 21. a third standard spring washer; 22. a hex head bolt; 23. a ruler; 25. a first fixed part group; 26. a second set of fixed parts; 27. a processor; 28. a timing device; 29. a second gear; 30. a first gear; 31. a motor; 32. an automatic control device.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, the present invention provides the following technical solutions: the invention relates to an automatic flow control device for a tundish nozzle, which is arranged on a connecting plate 12 and comprises an upper nozzle 10, a lower nozzle 11, a lower slide plate frame 8, an upper slide plate frame 9 and a main shaft 15;
the lower slide plate frame 8 is arranged on the bottom surface of the tundish, the lower slide plate frame 8 comprises two step cylindrical holes for arranging the water outlet 11, and the lower slide plate frame 8 also comprises a waist-shaped step hole for arranging a slide block;
the center of the upper slide plate frame 9 is provided with a step cylindrical hole for installing the upper water gap 10, the upper slide plate frame 9 is arranged above the lower slide plate frame 8, and the lower slide plate frame 8 is connected with the upper slide plate frame 9 through the main shaft 15;
the cross section of the main shaft 15 is cylindrical, the upper end of the main shaft 15 is positioned in the upper sliding plate frame 9, the lower end of the main shaft 15 penetrates through the lower sliding plate frame 8, and the inside of the main shaft 15 is hollow.
The invention further comprises a spherical washer 16, a first disc spring 17, a washer 18 and a lock nut 19, wherein the lock nut 19 is sleeved on the lower end of the main shaft 15, the washer 18 is arranged above the lock nut 19, the first disc spring 17 is arranged above the washer 18, the spherical washer 16 is arranged above the first disc spring 17, and the spherical washer 16 is positioned in the position of the lower end of the lower slide plate frame 8 penetrated by the main shaft 15; the lower end of the main shaft 15 further comprises a cotter pin 20, a third standard spring washer 21 and a hexagon head bolt 22, wherein the cotter pin 20 is positioned in the main shaft 15, and the third standard spring washer 21 is positioned above the hexagon head bolt 22. The type of the hexagon head bolt is full-thread C-level M8x16, and the hexagon head bolt is screwed to tightly press the first disc spring so as to seal the upper water gap and the lower water gap.
The invention further comprises a compression screw plug 1, a compression ring 2, a second disc spring 3 and a first fixed block 4, wherein the compression screw plug 1 compresses the compression ring 2, the compression ring 2 compresses the second disc spring 3, and the second disc spring 3 compresses the first fixed block 4 at the front end of the lower slide plate frame 8, so that the joint surface of the water inlet 10 and the water outlet 11 is tightly compressed, the sealing is ensured, and the steel leakage is prevented.
The invention further comprises a connecting plate 12, a second standard spring washer 13 and a second hexagon socket head cap screw 14, wherein the connecting plate 12 is connected with a tundish, the connecting plate 12 is positioned above the upper sliding plate frame 9 and sleeved on the upper water gap 10, the second standard spring washer 13 is positioned above the second hexagon socket head cap screw 14 to form a second fixed part group 26, the connecting plate 12 is fixed through the two second fixed part groups 26, the two second fixed part groups 26 take the upper water gap 10 as a reference, the two second fixed part groups 26 are positioned at two sides of the upper water gap 10, and the model number of the second hexagon socket head cap screw is M16x55.
The invention further comprises a compression block 5, a first standard spring washer 6 and a first hexagon socket head cap screw 7, wherein the first standard spring washer 6 and the first hexagon socket head cap screw 7 form a first fixed part group 25, the first fixed part group 25 is used for fixing the upper slide plate frame 9 and the connecting plate 12, and the first fixed part group 25 is provided with four groups; the compression block 5 is vertically attached to one side of the connecting plate 12, the upper sliding plate frame 9 and one side of the lower sliding plate frame 8, and the compression block 5 is used for fixedly compressing the connecting plate 12, the upper sliding plate frame 9 and the lower sliding plate frame 8, and the model of the first hexagon socket head cap screw is M10x35.
The invention further comprises a scale 23, wherein the scale 23 is positioned at the front end of the lower slide plate frame 8, and the scale line corresponds to the flow.
The invention also comprises an automatic control device 32, said automatic control device 32 being located inside said spindle 15.
The invention further comprises a processor 27, a timing device 28, a motor 31, said processor 27 being located in said spindle 15, said timing device 28 and said motor 31 being located in said processor 27. The processor 27 is configured to receive a time signal from the timing device 28 and send a command signal to start operation to the motor 31 at a fixed point in time.
The invention further comprises a first gear 30 and a second gear 29, wherein the first gear 30 and the second gear 29 are mutually parallel, mutually clamped and embedded and positioned in the main shaft 15, the circle center of the first gear 30 is connected with a rotating shaft which is connected with the processor 27, the circle center of the second gear 29 is connected with an inverted T-shaped rotating shaft, and the lower end of the inverted T-shaped rotating shaft horizontally penetrates through the main shaft 15 and extends into the sliding plate frame 8. The motor 31 starts to operate after receiving an operation command, the first gear 30 and the second gear 29 start to rotate, the lower end of the inverted T-shaped rotating shaft connected with the second gear 29 drives the sliding plate frame 8 to rotate, so that the sliding plate frame 8 rotates around the main shaft 15, the upper water gap 10 and the central hole of the lower water gap 11 are offset, and the purpose of controlling the steel flow is achieved by adjusting the offset.
According to the invention, the automatic control device 32 enables the lower slide plate frame 8 to rotate around the main shaft 15, so that the central holes of the upper water gap 10 and the lower water gap 11 are offset. The total rotation angle of the present invention is 90 ° and has a certain period, for example, when the setting time is 1 day, the timing device 28 reaches one day, the processor 27 will instruct the motor 31 to start operating, and the lower slider frame 8 will rotate 10 ° around the main shaft 15, which is a small period. The lower slide plate frame 8 rotates around the main shaft 15 by 10 degrees corresponding to every day, when the critical value is reached, the lower slide plate frame 8 rotates around the main shaft 15 in the opposite direction, and when the critical value is reached again, the whole period is a large period. The time and the rotation angle can be set by oneself.
Although embodiments of the present invention 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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a well package mouth of a river automatic flow control device, includes mouth of a river (10), lower mouth of a river (11) its characterized in that: the device also comprises a lower sliding plate frame (8), an upper sliding plate frame (9) and a main shaft (15);
the lower slide plate frame (8) is arranged on the bottom surface of the tundish, the lower slide plate frame (8) comprises two step cylindrical holes for arranging the water outlet (11), and the lower slide plate frame (8) also comprises a waist-shaped step hole for arranging a slide block;
the center of the upper sliding plate frame (9) is provided with a step cylindrical hole for installing the upper water gap (10), the upper sliding plate frame (9) is arranged above the lower sliding plate frame (8), and the lower sliding plate frame (8) is connected with the upper sliding plate frame (9) through the main shaft (15);
the cross section of the main shaft (15) is cylindrical, the upper end of the main shaft (15) is positioned in the upper sliding plate frame (9), the lower end of the main shaft (15) penetrates through the lower sliding plate frame (8), and the inside of the main shaft (15) is hollow;
the novel sliding plate comprises a main shaft (8), and is characterized by further comprising a spherical gasket (16), a first disc spring (17), a gasket (18) and a locking nut (19), wherein the locking nut (19) is sleeved on the lower end of the main shaft (15), the gasket (18) is arranged above the locking nut (19), the first disc spring (17) is arranged above the gasket (18), the spherical gasket (16) is arranged above the first disc spring (17), and the spherical gasket (16) is positioned inside the position, which is penetrated by the main shaft (15), of the lower end of the lower sliding plate frame (8); the lower end of the main shaft (15) further comprises a cotter pin (20), a third standard spring washer (21) and a hexagon head bolt (22), wherein the cotter pin (20) is positioned in the main shaft (15), and the third standard spring washer (21) is positioned above the hexagon head bolt (22);
the device comprises a lower sliding plate frame (8), and is characterized by further comprising a compression screw plug (1), a compression ring (2), a second disc spring (3) and a first fixed block (4), wherein the compression screw plug (1) compresses the compression ring (2), the compression ring (2) compresses the second disc spring (3), and the second disc spring (3) compresses the first fixed block (4) at the front end of the lower sliding plate frame (8);
the automatic control device (32) is positioned inside the main shaft (15);
the device also comprises a processor (27), a timing device (28) and a motor (31), wherein the processor (27) is positioned in the main shaft (15), the timing device (28) and the motor (31) are positioned in the processor (27), and the processor (27) is used for receiving a time signal of the timing device (28) and sending a command signal for starting operation to the motor (31) at a fixed time point;
the steel flow control device comprises a main shaft (15), a first gear (30) and a second gear (29), wherein the first gear (30) and the second gear (29) are mutually parallel, are mutually clamped and embedded and are positioned in the main shaft (15), the circle center of the first gear (30) is connected with a rotating shaft, the rotating shaft is connected with a processor (27), the circle center of the second gear (29) is connected with an inverted T-shaped rotating shaft, the lower end of the inverted T-shaped rotating shaft horizontally penetrates through the main shaft (15) and extends into a lower slide plate frame (8), a motor (31) starts to operate after receiving an operation command, the lower end of the inverted T-shaped rotating shaft connected with the second gear (29) drives the lower slide plate frame (8) to rotate, the lower slide plate frame (8) rotates around the main shaft (15), the upper water gap (10) and the central hole of the lower water gap (11) are offset, and the purpose of controlling the steel flow is achieved by adjusting the offset; the lower slide plate frame 8 rotates around the main shaft (15), the total rotation angle value is 90 degrees, the setting time is 1 day, the timing device (28) reaches one day, the processor (27) sends out instructions, the motor (31) starts to operate, the lower slide plate frame (8) rotates around the main shaft 15 by 10 degrees, which is equivalent to that the lower slide plate frame (8) rotates around the main shaft (15) by 10 degrees every day, when the critical value is reached, the lower slide plate frame (8) rotates around the main shaft (15) in the opposite direction, and the critical value is reached again and is a whole period.
2. The automatic flow control device for a tundish nozzle according to claim 1, wherein: the novel water feeding device is characterized by further comprising a connecting plate (12), a second standard spring washer (13) and a second inner hexagonal socket head cap screw (14), wherein the connecting plate (12) is connected with the tundish, the connecting plate (12) is located above the upper sliding plate frame (9) and sleeved on the water feeding port (10), the second standard spring washer (13) is located above the second inner hexagonal socket head cap screw (14) to form a second fixed part group (26), the connecting plate (12) is fixed through two second fixed part groups (26), the two second fixed part groups (26) take the water feeding port (10) as a reference, and the two second fixed part groups (26) are located on two sides of the water feeding port (10).
3. The automatic flow control device for tundish nozzle according to claim 2, wherein: still include compact heap (5), first standard spring washer (6), first interior hexagonal socket head cap screw (7), first standard spring washer (6) with first interior hexagonal socket head cap screw (7) form first fixed part group (25), first fixed part group (25) are used for fixing slide frame (9) with connecting plate (12), compact heap (5) laminating perpendicularly connecting plate (12) slide frame (9) slide frame (8) one side down.
4. The automatic flow control device for tundish nozzle according to claim 3, wherein: the device also comprises a scale (23), wherein the scale (23) is positioned at the front end of the lower slide plate frame (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375274.3A CN109226734B (en) | 2018-11-19 | 2018-11-19 | Automatic flow control device for tundish nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375274.3A CN109226734B (en) | 2018-11-19 | 2018-11-19 | Automatic flow control device for tundish nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109226734A CN109226734A (en) | 2019-01-18 |
| CN109226734B true CN109226734B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811375274.3A Active CN109226734B (en) | 2018-11-19 | 2018-11-19 | Automatic flow control device for tundish nozzle |
Country Status (1)
| Country | Link |
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| CN (1) | CN109226734B (en) |
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| Publication number | Publication date |
|---|---|
| CN109226734A (en) | 2019-01-18 |
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