Centering adjusting device for upper nozzle and lower nozzle of continuous casting tundish

By designing a centralized adjustment device for continuous casting, the centering adjustment device for the upper and lower water outlets is used to ensure the centering connection between the lower water outlet and the upper water outlet, the problems of steel flow and shortened service life caused by the misalignment of the drain and upper water outlet of the continuous casting machine are solved, and more efficient connection accuracy and longer service life are achieved.

CN222873353UActive Publication Date: 2025-05-16LUOYANG ZHONGWEI METALLURGICAL MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202421861361.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-02
Publication Date
2025-05-16
Estimated Expiration
2034-08-02

AI Technical Summary

Technical Problem

In the prior art, the drain and drain ports of the continuous casting machine are prone to be inaccurate when replacing, resulting in a decrease in steel flow, an extended single furnace time, and uneven zirconium erosion, which in turn accelerates the wear of the inner wall of the drain port and reduces service life.

Method used

A continuous casting middle-packing upper and lower water outlet center adjustment device is designed, including a middle pack, lifting component, moving component and fixture. The mounting frame and fixture are moved through the moving component, so that the center point of the fixed sleeve corresponds to the center point of the upper water outlet, ensuring that the drain hole axis corresponds to the middle point of the upper water outlet, and connecting the drain hole and the upper water outlet through sealing mud.

Benefits of technology

It improves the accuracy of connecting the sewer and the water supply port, extends the service life of the sewer, and significantly improves the efficiency of replacing the sewer.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a continuous casting tundish upper and lower water gap centering adjusting device, which relates to the field of metal processing, and comprises a tundish and a plurality of clamps respectively arranged right below the upper water gap of the tundish, the tundish is provided with a lifting assembly, the lifting end of the lifting assembly is provided with a moving assembly, and the moving assembly is connected with the tundish. A mounting frame is arranged at the moving end of the moving assembly. The device has the beneficial effects that the mounting frame and the clamp are moved through the moving assembly, so that the center point of the fixing sleeve corresponds to the center point of the upper nozzle, all the threaded sleeves are rotated through the driving assembly, the clamping plates in the same fixing sleeve are close to each other to fix the lower nozzle, the lower nozzle is centered on the fixing sleeve, and the axis of the lower nozzle corresponds to the midpoint of the upper nozzle; the lifting assembly drives the lower nozzle to move upwards until the upper end of the lower nozzle corresponds to the bottom of the upper nozzle, the lower nozzle and the upper nozzle are connected through the sealing mud, and therefore the connecting accuracy of the lower nozzle and the upper nozzle can be improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of metal processing, in particular to a centering adjustment device for upper and lower water inlets of a continuous casting tundish. Background Art

[0002] The downspout of the continuous casting machine is a consumable and needs to be replaced regularly. If the downspout is not aligned with the upspout when replacing it, the steel flow rate will decrease, affecting the steel casting of the continuous casting machine, prolonging the single furnace time, uneven scouring of the zirconium refractory material, and accelerating the wear of the inner wall of the downspout. However, in the prior art, when replacing the downspout, it is mainly done by manual visual inspection. After the downspout is docked to the upspout, it is used for refractory mud sealing connection. Through visual inspection, it seems that the upspout and downspout correspond to each other, but in fact there will be a certain deviation between the axes of the two, which will cause the above-mentioned problems and reduce the service life of the downspout. Utility Model Content

[0003] The purpose of the utility model is to provide a device for centering and adjusting the upper and lower water inlets of a continuous casting tundish in order to solve the above-mentioned problem, as described in detail below.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The utility model provides a device for adjusting the centering of the upper and lower water inlets of a continuous casting tundish, comprising a tundish and a plurality of clamps respectively arranged directly below the upper water inlet of the tundish, wherein a lifting assembly is arranged on the tundish, a moving assembly is arranged at the lifting end of the lifting assembly, a mounting frame is arranged at the moving end of the moving assembly, and the moving assembly can drive the mounting frame to move horizontally;

[0006] A plurality of the clamps are fixedly arranged on the mounting frame along a straight line, and are used for fixing and installing the drain outlet;

[0007] The clamp comprises a fixed sleeve, in which a plurality of clamping plates are distributed around the fixed sleeve axis and can move radially along the fixed sleeve.

[0008] When the mounting frame is located at one end of the moving range of the moving assembly, the axis of the fixed sleeve corresponds to the center point of the upper water inlet;

[0009] A support plate is provided on the mounting frame, and the support plate is located under the clamp and is used for supporting the water outlet.

[0010] The above-mentioned device for adjusting the centering of the upper and lower water inlets of the continuous casting tundish is adopted. First, the mounting frame and the clamp are moved by the moving assembly so that the center point of the fixed sleeve corresponds to the center point of the upper water inlet. When the mounting frame moves to one end of the moving assembly and cannot move any further, the fixed sleeve is at the center position of the upper water inlet. This design makes it easier to control the position adjustment of the mounting frame.

[0011] Insert the drains into the fixture so that the lower ends of all drains are in contact with the upper side of the support plate, so as to ensure that the upper ends of all drains are flush, and rotate all the threaded sleeves through the driving assembly so that the clamps in the same fixed sleeve are close to each other to fix the drains;

[0012] Then, the lifting assembly drives the moving assembly, the mounting frame and the drain port to move upward until the upper end of the drain port corresponds to the bottom of the upper water port, the drain port and the upper water port are connected by sealing mud, and then the fixture of the drain port is released, and the mounting frame is driven downward by the lifting assembly to disengage the fixture from the drain port, and then the mounting frame is moved by the moving assembly to dislocate the fixture from the drain port.

[0013] Preferably, the fixing sleeve is fixedly arranged on the mounting frame, and the lower end of the fixing sleeve passes through the mounting frame, the clamping plate is provided with a sliding rod and a screw rod, the length directions of the sliding rod and the screw rod are arranged radially along the fixing sleeve, the sliding rod is slidably connected to the fixing sleeve, the surface of the screw rod is threadedly connected with a threaded sleeve, and the threaded sleeve is rotatably connected to the fixing sleeve.

[0014] Preferably, a driving assembly is provided on the mounting frame for rotating the threaded sleeves of several clamps at the same time.

[0015] Preferably, the driving assembly includes a connecting shaft, a plurality of fixed plates are fixed on the mounting frame, and a connecting shaft is rotatably arranged between the plurality of fixed plates, a motor is arranged on the mounting frame, and the motor output shaft is fixed to the end of the connecting shaft, a rotating shaft whose number matches the clamp is vertically rotatably arranged on the mounting frame, a rotating sleeve is rotatably arranged on the surface of the fixed sleeve, gear one is fixed on the rotating shaft and the rotating sleeve, and the corresponding two gears one are meshed, bevel gears are fixed on the rotating shaft and the connecting shaft, and the two bevel gears are meshed, an end face gear is fixed on the rotating sleeve, gear two is fixed on the surface of the threaded sleeve, and the end face gear is meshed with the corresponding gear two.

[0016] Preferably, the lifting assembly comprises two electric slide rails, which are vertically arranged on the tundish.

[0017] Preferably, the moving component includes a U-shaped plate, which is horizontally fixed between the two lifting ends of the electric slide rails, and is horizontally arranged on two guide rods. A lead screw is rotatably arranged on the U-shaped plate, and the mounting frame is slidably connected to the two guide rods, and the mounting frame is threadedly connected to the lead screw.

[0018] Preferably, when the mounting frame contacts one of the opposite surfaces of the two inner walls of the U-shaped plate, the axis of the fixing sleeve corresponds to the center point of the water inlet.

[0019] Preferably, the clamp has at least three clamping plates.

[0020] The beneficial effects are:

[0021] 1. Move the mounting frame and the fixture by moving the assembly, so that the center point of the fixed sleeve corresponds to the center point of the upper water inlet, insert the lower water inlet into the fixture, so that the lower ends of all the lower water inlets are in contact with the upper side of the support plate, and ensure that the upper ends of all the lower water inlets are flush, and rotate all the threaded sleeves by driving the assembly, so that the clamps in the same fixed sleeve are close to each other to fix the lower water inlet, so that the lower water inlet is centered on the fixed sleeve. At this time, the axis of the lower water inlet corresponds to the midpoint of the upper water inlet, and the lower water inlet is driven by the lifting assembly to move upward until the upper end of the lower water inlet corresponds to the bottom of the upper water inlet, and the lower water inlet is connected to the upper water inlet through the sealing mud, so as to improve the accuracy of the connection between the lower water inlet and the upper water inlet;

[0022] 2. After the mounting bracket moves to one end of the moving assembly and cannot move any further, the fixed sleeve is located at the center of the water inlet. This design makes it easier for the operator to determine whether the fixed sleeve is aligned with the water inlet;

[0023] 3. The device can clamp multiple drain outlets at the same time and respectively match the multiple drain outlets with multiple water inlets. Compared with manually replacing the drain outlets one by one, this method can significantly improve the efficiency of replacing the drain outlets. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 This is a front view structural diagram of the utility model;

[0026] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0027] Figure 3 This is a schematic diagram of the three-dimensional structure of the mobile component of the utility model;

[0028] Figure 4 This utility model Figure 3 The enlarged structural diagram at A in the middle;

[0029] Figure 5 It is a three-dimensional structural schematic diagram of the mounting frame of the utility model.

[0030] The following are the descriptions of the reference numerals:

[0031] 1. Fixture; 2. Tundish; 3. Water inlet; 4. Mounting frame; 5. Moving assembly; 6. Lifting assembly; 7. Electric slide rail; 8. Support plate; 9. U-shaped plate; 10. Guide rod; 11. Lead screw; 12. Fixed sleeve; 13. Slide rod; 14. Clamp; 15. Threaded sleeve; 16. Screw; 17. Driving assembly; 18. Fixed plate; 19. Connecting shaft; 20. Bevel gear; 21. Gear 1; 22. Motor; 23. Rotating sleeve; 24. Gear 2; 25. Face gear; 26. Rotating shaft. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0033] See also Figure 1-Figure 5 As shown, the utility model provides a device for adjusting the centering of the upper and lower water inlets of a continuous casting tundish, comprising a tundish 2 and a plurality of clamps 1 respectively arranged directly below the upper water inlet 3 of the tundish 2, a lifting assembly 6 is arranged on the tundish 2, a moving assembly 5 is arranged at the lifting end of the lifting assembly 6, a mounting frame 4 is arranged at the moving end of the moving assembly 5, and the moving assembly 5 can drive the mounting frame 4 to move horizontally;

[0034] A plurality of clamps 1 are fixedly arranged on a mounting frame 4 along a straight line, and are used to fix and install the drain;

[0035] The fixture 1 includes a fixed sleeve 12, and a plurality of clamping plates 14 are distributed around the fixed sleeve 12 and are movable along the radial direction of the fixed sleeve 12.

[0036] When the mounting frame 4 is located at one end of the moving range of the moving assembly 5, the axis of the fixing sleeve 12 corresponds to the center point of the water inlet 3;

[0037] A support plate 8 is provided on the mounting frame 4, and the support plate 8 is located under the clamp 1 and is used to support the water outlet. The support plate 8 is used to correct the height of the upper end of the water outlet. The device can install multiple water outlets at the same time, so the upper ends of multiple water outlets need to be flush, so that all the water outlets can be connected with multiple water inlets 3 at the same time.

[0038] As an optional embodiment, the fixing sleeve 12 is fixedly arranged on the mounting frame 4, and the lower end of the fixing sleeve 12 passes through the mounting frame 4, and the clamping plate 14 is provided with a slide bar 13 and a screw rod 16, and the length directions of the slide bar 13 and the screw rod 16 are arranged along the radial direction of the fixing sleeve 12, the slide bar 13 is slidably connected with the fixing sleeve 12, and the surface of the screw rod 16 is threadedly connected with a threaded sleeve 15, and the threaded sleeve 15 is rotatably connected with the fixing sleeve 12;

[0039] The threaded sleeve 15 is rotated, and the threaded sleeve 15 cooperates with the screw rod 16 and the slide rod 13 to move the clamping plate 14 .

[0040] A driving assembly 17 is provided on the mounting frame 4 for rotating the threaded sleeves 15 of several clamps 1 at the same time. The driving assembly 17 can improve the convenience of operation of the clamp 1 on the one hand, and can achieve the three clamps 14 to approach or move away from each other at the same time, so that when the clamp 1 clamps drain outlets of different diameters, the drain outlet can be centered on the water inlet 3.

[0041] The driving assembly 17 includes a connecting shaft 19, a plurality of fixed plates 18 are fixed on the mounting frame 4, and a connecting shaft 19 is rotatably arranged between the plurality of fixed plates 18, a motor 22 is arranged on the mounting frame 4, and the output shaft of the motor 22 is fixed to the end of the connecting shaft 19, a rotating shaft 26 whose number matches the clamp 1 is vertically rotatably arranged on the mounting frame 4, a rotating sleeve 23 is rotatably arranged on the surface of the fixed sleeve 12, a gear 1 21 is fixed on the rotating shaft 26 and the rotating sleeve 23, and the corresponding two gears 1 21 are meshed, a bevel gear 20 is fixed on the rotating shaft 26 and the connecting shaft 19, and the two bevel gears 20 are meshed, an end face gear 25 is fixed on the rotating sleeve 23, a gear 2 24 is fixed on the surface of the threaded sleeve 15, and the end face gear 25 is meshed with the corresponding gear 2 24;

[0042] The connecting shaft 19 is rotated by the motor 22, and the connecting shaft 19 cooperates with multiple bevel gears 20, the rotating shaft 26 and the gear 1 21 to simultaneously rotate the rotating sleeve 23, and the end face gear 25 is rotated by the rotating sleeve 23, and the gear 2 24 is driven by the end face gear 25 to rotate the threaded sleeve 15.

[0043] The lifting assembly 6 includes two electric slide rails 7 , and the two electric slide rails 7 are vertically arranged on the tundish 2 .

[0044] The moving assembly 5 includes a U-shaped plate 9, which is horizontally fixed between the lifting ends of the two electric slide rails 7. The position where the lifting ends of the electric slide rails 7 are connected to the U-shaped plate 9 is located at the center of gravity between the moving assembly 5 and the mounting frame 4 after the fixture 1 is installed with the drain port. Two guide rods 10 are horizontally arranged on the U-shaped plate 9. A lead screw 11 is rotatably arranged on the U-shaped plate 9. The mounting frame 4 is slidably connected to the two guide rods 10, and the mounting frame 4 is threadedly connected to the lead screw 11.

[0045] By rotating the lead screw 11 , the lead screw 11 cooperates with the two guide rods 10 to move the mounting bracket 4 .

[0046] When the mounting frame 4 contacts one of the two inner wall opposite surfaces of the U-shaped plate 9 , the axis of the fixing sleeve 12 corresponds to the center point of the water inlet 3 . This design makes it easy for operators to know whether the fixing sleeve 12 corresponds to the water inlet 3 .

[0047] The clamp 1 has at least three clamping plates 14 , so that the drain port can be stably fixed at the center position of the fixing sleeve 12 .

[0048] With the above structure, the mounting frame 4 and the fixture 1 are first moved by the moving assembly 5 so that the center point of the fixing sleeve 12 corresponds to the center point of the water inlet 3. When the mounting frame 4 moves to one end of the moving assembly 5 and cannot move any further, the fixing sleeve 12 is located at the center of the water inlet 3. This design makes it easier to adjust the position of the mounting frame 4.

[0049] Insert the drain port into the fixture 1 so that the lower ends of all drain ports are in contact with the upper side of the support plate 8, so that the upper ends of all drain ports are flush, and rotate all the threaded sleeves 15 through the driving assembly 17 so that the clamps 14 in the same fixed sleeve 12 are close to each other to fix the drain port;

[0050] Then, the lifting component 6 is used to drive the moving component 5, the mounting frame 4 and the water outlet to move upward until the upper end of the water outlet corresponds to the bottom of the water outlet 3, the water outlet is connected to the water outlet 3 through the sealing mud, and then the fixture 1 that fixes the water outlet is released, and the lifting component 6 is used to drive the mounting frame 4 to move downward to disengage the fixture 1 from the water outlet, and then the moving component 5 is used to move the mounting frame 4 to dislocate the fixture 1 from the water outlet.

[0051] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A device for adjusting the centering of the upper and lower water inlets of a continuous casting tundish, comprising a tundish (2) and a plurality of clamps (1) respectively arranged directly below the upper water inlet (3) of the tundish (2), characterized in that: The tundish (2) is provided with a lifting assembly (6), a lifting end of the lifting assembly (6) is provided with a moving assembly (5), a moving end of the moving assembly (5) is provided with a mounting frame (4), and the moving assembly (5) is capable of driving the mounting frame (4) to move horizontally; A plurality of the clamps (1) are fixedly arranged on a mounting frame (4) along a straight line, and are used to fix and install the water outlet; The clamp (1) comprises a fixed sleeve (12), wherein a plurality of clamping plates (14) are distributed in a circle around the axis of the fixed sleeve (12) and are movable radially along the fixed sleeve (12); When the mounting frame (4) is located at one end of the moving range of the moving assembly (5), the axis of the fixed sleeve (12) corresponds to the center point of the water inlet (3); The mounting frame (4) is provided with a support plate (8), and the support plate (8) is located below the clamp (1) and is used to support the water outlet.

2. According to claim 1, a device for adjusting the centering of the upper and lower water inlets of a continuous casting tundish, characterized in that: The fixing sleeve (12) is fixedly arranged on the mounting frame (4), and the lower end of the fixing sleeve (12) passes through the mounting frame (4). The clamping plate (14) is provided with a sliding rod (13) and a screw rod (16). The length directions of the sliding rod (13) and the screw rod (16) are arranged along the radial direction of the fixing sleeve (12). The sliding rod (13) is slidably connected to the fixing sleeve (12). The surface of the screw rod (16) is threadedly connected with a threaded sleeve (15), and the threaded sleeve (15) is rotatably connected to the fixing sleeve (12).

3. According to claim 2, a device for adjusting the centering of the upper and lower water inlets of a continuous casting tundish, characterized in that: The mounting frame (4) is provided with a driving assembly (17) for simultaneously rotating the threaded sleeves (15) of a plurality of the clamps (1).

4. According to claim 3, a device for adjusting the centering of the upper and lower water inlets of a continuous casting tundish, characterized in that: The driving assembly (17) comprises a connecting shaft (19), a plurality of fixing plates (18) are fixed on the mounting frame (4), and a connecting shaft (19) is rotatably arranged between the plurality of fixing plates (18), a motor (22) is arranged on the mounting frame (4), and an output shaft of the motor (22) is fixed to an end of the connecting shaft (19), a rotating shaft (26) whose number matches that of the clamp (1) is vertically rotatably arranged on the mounting frame (4), and a rotating shaft (26) is rotatably arranged on the surface of the fixing sleeve (12) A rotating sleeve (23), a gear one (21) is fixed on the rotating shaft (26) and the rotating sleeve (23), and the two corresponding gears one (21) are meshed, a bevel gear (20) is fixed on the rotating shaft (26) and the connecting shaft (19), and the two bevel gears (20) are meshed, an end face gear (25) is fixed on the rotating sleeve (23), and a gear two (24) is fixed on the surface of the threaded sleeve (15), and the end face gear (25) is meshed with the corresponding gear two (24).

5. According to claim 1, a device for adjusting the centering of the upper and lower water inlets of a continuous casting tundish, characterized in that: The lifting assembly (6) comprises two electric slide rails (7), and the two electric slide rails (7) are vertically arranged on the tundish (2).

6. The device for centering and adjusting the upper and lower water inlets of a continuous casting tundish according to claim 5, characterized in that: The moving assembly (5) comprises a U-shaped plate (9), the U-shaped plate (9) being horizontally fixed between the lifting ends of two electric slide rails (7), two guide rods (10) being horizontally arranged on the U-shaped plate (9), a lead screw (11) being rotatably arranged on the U-shaped plate (9), the mounting frame (4) being slidably connected to the two guide rods (10), and the mounting frame (4) being threadedly connected to the lead screw (11).

7. The device for centering and adjusting the upper and lower water inlets of a continuous casting tundish according to claim 6, characterized in that: When the mounting frame (4) contacts one of the two opposing inner wall surfaces of the U-shaped plate (9), the axis of the fixing sleeve (12) corresponds to the center point of the water inlet (3).

8. The device for centering and adjusting the upper and lower water inlets of a continuous casting tundish according to claim 1, characterized in that: The clamp (1) has at least three clamping plates (14).