Cleaning device suitable for sticky slag of tundish stopper rod

By designing a cleaning device suitable for tundish stopper rods, and utilizing a lifting and rotating mechanism in conjunction with a slag-breaking cone and saw blade, the problem of difficult slag removal from the stopper rods was solved, achieving efficient and safe cleaning results.

CN223556640UActive Publication Date: 2025-11-18德龙钢铁有限公司
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Patent Information

Application Number
CN202422905314.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-11-18
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

In existing technologies, cleaning the slag adhering to the tundish stopper rod is difficult, leading to production interruptions, high labor intensity, low cleaning efficiency, and the risk of rod breakage.

Method used

A cleaning device was designed, which includes moving, lifting, rotating and cleaning parts. The lifting is achieved by a motor driving a lead screw and lead screw nut. Combined with the rotating and cleaning mechanism, the slag-breaking cone and saw blade are used to clean the slag adhering to the stopper rod.

Benefits of technology

It reduced the labor intensity of workers, improved the cleaning efficiency of intermediate package stopper rods, avoided rod breakage accidents, and enhanced the continuity and safety of production.

✦ Generated by Eureka AI based on patent content.

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Abstract

A cleaning device suitable for sticky slag of a tundish stopper rod comprises a moving part, a lifting part, a rotary moving part and a slag cleaning part. The lifting part is arranged on the moving part; the rotary moving part is arranged on the lifting part; the slag removing part is arranged on the rotary moving part; the moving part comprises a base, walking wheels and a balance weight piece. Walking wheels are arranged at the four corners of the lower end face of the base. And the counterweight piece is arranged on the top end surface of the base. According to the stopper cleaning device, the stopper cleaning efficiency is improved, and the labor intensity of workers is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a cleaning device, especially a device capable of cleaning the slag on the tundish stopper, and belongs to the technical field of tundish stopper slag cleaning equipment. BACKGROUND

[0002] In the continuous casting production process, the molten steel is poured into the tundish from the ladle, and then is branched to the crystallizer from the tundish, most of the molten steel passes through the tundish stopper control flow through the water gap into the crystallizer to solidify into the casting blank; after the tundish is connected, the stopper is immersed in the molten steel liquid surface, the slag and inclusions in the tundish float to the surface of the molten steel to form a certain thickness of the slag layer, because the slag is viscous and hard, the stopper is adhered to the slag layer, which affects the free movement of the stopper and the control flow; when the stopper slag seriously affects the control flow, the on-site staff uses a crowbar and other tools to knock and clean the slag around the stopper, which has the following disadvantages: first, the slag layer is hard to knock and the accumulation of slag force is not easy to control, the abnormal vibration of the slag line part causes the rod breaking accident, resulting in production interruption and insufficient service life of the tundish, which increases the production cost; second, the temperature above the tundish is high, the labor intensity is large during the manual cleaning of the stopper slag, and the cleaning efficiency is low; therefore, a cleaning device is needed, which can assist the staff to clean the slag on the stopper efficiently. UTILITY MODEL CONTENTS

[0003] The utility model aims at overcoming the defects of the prior art, and provides a cleaning device suitable for tundish stopper slag, which can not only reduce the labor intensity of the staff, but also improve the cleaning efficiency of the tundish stopper.

[0004] The problem is solved by the following technical scheme.

[0005] A cleaning device suitable for tundish stopper slag, comprising a moving part, a lifting part, a rotating and moving part and a slag cleaning part; the lifting part is arranged on the moving part; the rotating and moving part is arranged on the lifting part; the slag cleaning part is arranged on the rotating and moving part; the moving part comprises a base, a walking wheel and a counterweight; the walking wheel is arranged at the four corners of the lower end face of the base; the counterweight is arranged at the top end face of the base.

[0006] The cleaning device suitable for the sticky slag of the tundish stopper rod, the lifting part comprises a column, a first motor, a lead screw, a lead screw nut, a sliding plate, a lifting block and a lifting vertical plate; the column is arranged at the top end face edge of the base; the first motor is arranged at the top end face of the column, the bottom end face of the column is provided with a support plate, one end of the lead screw is connected with the output shaft of the first motor, and the other end of the lead screw is connected with the support plate; the column is provided with a strip-shaped hole in the vertical direction, and the lifting block is slidingly arranged in the strip-shaped hole of the column; the lead screw nut is arranged on the lead screw, and the lead screw nut is connected with the sliding plate, and the sliding plate is connected with the lifting block; the top end of the lifting vertical plate is connected with one end of the lifting block away from the sliding plate.

[0007] The cleaning device suitable for the sticky slag of the tundish stopper rod, the rotating and moving part comprises an arc-shaped sliding block, a semicircular plate and an arc-shaped limiting plate; the axis of the arc-shaped sliding block is a vertical line, and the top end face thereof is connected with the bottom end of the lifting vertical plate; the number of the arc-shaped limiting plates is two, and the top end and the bottom end of the inner arc end face of the arc-shaped sliding block are provided with the arc-shaped limiting plates; the semicircular plate is clamped between the two arc-shaped limiting plates; the top end face and the bottom end face of the semicircular plate are provided with arc-shaped guide strips, the end faces of the two arc-shaped limiting plates close to each other are provided with arc-shaped limiting grooves, and the arc-shaped limiting groove on the top end of the arc-shaped limiting plate is slidingly connected with the arc-shaped guide strip on the top end face of the semicircular plate, and the arc-shaped limiting groove on the bottom end of the arc-shaped limiting plate is slidingly connected with the arc-shaped guide strip on the bottom end face of the semicircular plate.

[0008] The cleaning device suitable for the sticky slag of the tundish stopper rod, the slag cleaning part comprises two slag cleaning mechanisms, and the two slag cleaning mechanisms are symmetrically arranged at the two ends of the bottom end face of the semicircular plate; the slag cleaning mechanism comprises a pressing piece, a slag breaking piece and a slag cutting piece; the pressing piece is arranged at one end of the bottom end face of the semicircular plate; the slag breaking piece and the slag cutting piece are arranged on the pressing piece.

[0009] The cleaning device suitable for the sticky slag of the tundish stopper rod, the pressing piece comprises a fixed block, a horizontal moving plate and a spring; the fixed block is arranged at one end of the bottom end face of the semicircular plate; the bottom end face of the fixed block is provided with a sliding groove, the top end face of the horizontal moving plate is provided with a sliding strip, the sliding strip of the horizontal moving plate is slidingly arranged on the sliding groove at the bottom end of the fixed block, and the center line of the sliding strip of the horizontal moving plate is perpendicular to the axis of the semicircular plate; the end of the top end face of the horizontal moving plate away from the axis of the semicircular plate is provided with a vertical support plate, and the spring is connected between the vertical support plate and the fixed block.

[0010] The cleaning device suitable for the sticky slag of the tundish stopper rod, the slag breaking piece comprises a slag breaking cone, the slag breaking cone is arranged at the end of the bottom end face of the horizontal moving plate away from the vertical support plate through a support, and the tip of the slag breaking cone is vertically downward.

[0011] The cleaning device suitable for the slag sticking of the tundish stopper, the slag cutting piece comprises a saw blade, a second motor and a gear chain; the center of the saw blade is provided with a rotating shaft; the bottom end surface of the horizontal moving plate is provided with two inclined plates, and the rotating shaft of the saw blade is pivotally arranged between the two inclined plates, and one end of the rotating shaft penetrates through the side wall of the inclined plate; the saw blade is located directly below the slag breaking cone; one end of the rotating shaft is provided with a driven gear; the second motor is arranged on the bottom end surface of the horizontal moving plate, and the output shaft end of the second motor is provided with a driving gear, and the gear chain is connected between the driving gear and the driven gear.

[0012] The utility model discloses a moving part drives the rest part to move to the designated place and work, and the lifting part drives the slag removal part to vertically take off, thereby facilitating the slag removal part to clean the stopper along the axial direction of the stopper, and the cooperation of the rotation moving part and the slag removal part makes the stopper be comprehensively cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the first three-dimensional structure schematic diagram of the utility model;

[0014] Figure 2 It is the second three-dimensional structure schematic diagram of the utility model;

[0015] Figure 3 It is the local enlarged structure schematic diagram of A of the utility model.

[0016] The list of each number in the drawing is: 1. base, 2. counterweight, 3. stand, 4. first motor, 5. screw nut, 6. lifting block, 7. lifting vertical plate, 8. arc-shaped sliding block, 9. semicircular plate, 10. arc-shaped limiting plate, 11. fixed block, 12. horizontal moving plate, 13. spring, 14. slag breaking cone, 15. saw blade. DETAILED DESCRIPTION

[0017] Referring to Figure 1 , 2 and Figure 3 , the utility model discloses a moving part, a lifting part, a rotation moving part and a slag removal part, the lifting part is arranged on the moving part, the lifting part can drive the rest part to vertically take off, thereby driving the slag removal part to move along the axial direction of the stopper and clean the sticking slag along the line, the rotation moving part is arranged on the lifting part, the rotation moving part cooperates with the slag removal part to clean the stopper more fully, the slag removal part is arranged on the rotation moving part, the moving part includes base 1, travelling wheel, counterweight 2, the four corners of the bottom end surface of base 1 are all provided with travelling wheel, and the counterweight 2 is arranged on the top end surface of base 1.

[0018] The lifting part comprises a column 3, a first motor 4, a lead screw, a lead screw nut 5, a sliding plate, a lifting block 6 and a lifting vertical plate 7; the column 3 is arranged at the top end face edge of the base 1; the first motor 4 is arranged at the top end face of the column 3, the bottom end face of the column 3 is provided with a support plate, one end of the lead screw is connected with the output shaft of the first motor 4, and the other end of the lead screw is connected with the support plate; the column 3 is provided with a strip-shaped hole in the vertical direction, and the lifting block 6 is slidingly arranged in the strip-shaped hole of the column 3; the lead screw nut 5 is arranged on the lead screw, and the lead screw nut 5 is connected with the sliding plate, and the sliding plate is connected with the lifting block 6; the top end of the lifting vertical plate 7 is connected with one end of the lifting block 6 away from the sliding plate; the first motor 4 can drive the lead screw to rotate, thereby driving the lead screw nut to move along the axis direction of the lead screw; the movement of the lead screw nut drives the sliding plate, the lifting block 6 and the lifting vertical plate 7 to synchronously rise and fall; by controlling the lifting of the lifting vertical plate 7, the rotating and moving part and the slag removing part are synchronously lifted.

[0019] The rotating and moving part comprises an arc-shaped sliding block 8, a semicircular plate 9 and an arc-shaped limiting plate 10; the axis of the arc-shaped sliding block 8 is a vertical line, and the top end face thereof is connected with the bottom end of the lifting vertical plate 7; the number of the arc-shaped limiting plates 10 is two, and the top end and the bottom end of the inner arc end face of the arc-shaped sliding block 8 are both provided with the arc-shaped limiting plates 10; the semicircular plate 9 is clamped between the two arc-shaped limiting plates 10; the top end face and the bottom end face of the semicircular plate 9 are both provided with arc-shaped guide strips, the end faces of the two arc-shaped limiting plates 10 close to each other are both provided with arc-shaped limiting grooves, and the arc-shaped limiting groove on the top end arc-shaped limiting plate 10 is slidingly and matchingly connected with the arc-shaped guide strip on the top end face of the semicircular plate 9, and the arc-shaped limiting groove on the bottom end arc-shaped limiting plate 10 is slidingly and matchingly connected with the arc-shaped guide strip on the bottom end face of the semicircular plate 9; the semicircular plate 9 rotates and moves under the cooperation of the arc-shaped sliding block 8 and the arc-shaped limiting plate 10, thereby adjusting the horizontal position of the slag removing part below, ensuring that the slag removing part can clean the slag on different positions of the stopper, and improving the flexibility.

[0020] The slag removing part comprises two slag removing mechanisms, and the two slag removing mechanisms are symmetrically arranged at the two ends of the bottom end face of the semicircular plate 9; the slag removing mechanism comprises a pressing piece, a slag breaking piece and a slag cutting piece; the pressing piece is arranged at one end of the bottom end face of the semicircular plate 9; the slag breaking piece and the slag cutting piece are both arranged on the pressing piece; the function of the pressing piece is to ensure that the slag breaking piece and the slag cutting piece can reliably press on the slag on the stopper, so that the slag can be fully cleaned.

[0021] The touch pressure piece comprises a fixed block 11, a horizontal moving plate 12 and a spring 13; the fixed block 11 is arranged at one end of the bottom end surface of the semicircular plate 9; the bottom end surface of the fixed block 11 is provided with a sliding groove, and the top end surface of the horizontal moving plate 12 is provided with a sliding strip, and the sliding strip of the horizontal moving plate 12 is slidingly arranged on the sliding groove at the bottom end of the fixed block 11, and the center line of the sliding strip of the horizontal moving plate 12 is perpendicular to the axis of the semicircular plate 9; the upper end surface of the horizontal moving plate 12 is provided with a vertical support plate at one end away from the axis of the semicircular plate 9, and the vertical support plate is connected with the fixed block 11 through the spring 13; under the action of the spring, the horizontal moving plate 12 approaches the stopper, thereby providing a force for the slag breaking piece and the slag cutting piece to approach the slag of the stopper, so as to ensure that the slag breaking piece and the slag cutting piece can deeply enter the slag of the stopper for cleaning.

[0022] The slag breaking piece comprises a slag breaking cone 14, which is arranged at one end of the lower end surface of the horizontal moving plate 12 away from the vertical support plate through a support, and the tip of the slag breaking cone 14 is vertically downward; the slag cutting piece cuts a slit in the slag, and the slag breaking cone 14 is inserted into the slit to spread the slag to both sides, thereby achieving the purpose of breaking and removing the slag.

[0023] The slag cutting piece comprises a saw blade 15, a second motor and a toothed chain; the center of the saw blade 15 is provided with a rotating shaft; the bottom end surface of the horizontal moving plate 12 is provided with two inclined plates, and the rotating shaft of the saw blade 15 is pivotally arranged between the two inclined plates, and one end of the rotating shaft penetrates through the side wall of the inclined plate; the saw blade 15 is located directly below the slag breaking cone 14; the slit cut by the saw blade 15 is broken and removed by the slag breaking cone 14; one end of the rotating shaft is provided with a driven gear; the second motor is arranged on the bottom end surface of the horizontal moving plate 12, and the output shaft end of the second motor is provided with a driving gear, and the driving gear and the driven gear are connected through the toothed chain; the second motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate through the toothed chain, and finally drives the saw blade to rotate to cut the slag.

[0024] Principle of use: when the slag of the stopper needs to be cleaned, the device is moved to the tundish, and then the semicircular plate 9 is moved above the stopper; then the position is adjusted so that the axis of the semicircular plate 9 coincides with the stopper; then the first motor 4 is started to act, and the lifting vertical plate 7 is lowered, thereby driving the slag breaking cone 14 and the saw blade 15 below the semicircular plate 9 to synchronously descend; in the process of descending, under the action of the spring and the horizontal moving plate 12, the saw blade 15 and the slag breaking cone 14 approach the stopper as much as possible, and the saw blade 15 cuts the slag when descending, cuts a slit, and the slag breaking cone 14 inserts into the slit to break the slag, until descending to the bottom end of the slag, and then the first motor 4 controls each part to ascend, and then the semicircular plate 9 is rotated to adjust the position of the saw blade 15, so that the saw blade 15 is moved above the uncleaned slag, and then the above-mentioned operation is repeated until the slag on the stopper is cleaned, and finally the device is removed, and thus the cleaning of the slag on the stopper is completed.

Claims

1. A cleaning device for taphole clay sticking of tundish stopper, characterized in that: The application relates to a mobile, lifting, rotating and slag cleaning device.

2. The cleaning device for the taphole clay sticking of the tundish stopper according to claim 1, characterized in that: The lifting part comprises a stand (3), a first motor (4), a lead screw, a lead screw nut (5), a sliding plate, a lifting block (6) and a lifting vertical plate (7); the stand (3) is arranged at the top end face of the base (1); the first motor (4) is arranged at the top end face of the stand (3), the bottom end face of the stand (3) is provided with a support plate, one end of the lead screw is connected with the output shaft of the first motor (4), and the other end of the lead screw is connected with the support plate; the stand (3) is provided with a strip-shaped hole in the vertical direction, and the lifting block (6) is slidingly arranged in the strip-shaped hole of the stand (3); the lead screw nut (5) is arranged on the lead screw, the lead screw nut (5) is connected with the sliding plate, the sliding plate is connected with the lifting block (6); and the top end of the lifting vertical plate (7) is connected with one end of the lifting block (6) away from the sliding plate.

3. The cleaning device for the sticking residue of the tundish stopper rod according to claim 2, characterized in that: The rotating part comprises an arc-shaped sliding block (8), a semicircular plate (9) and arc-shaped limiting plates (10); the axis of the arc-shaped sliding block (8) is a vertical line, and the top end face of the arc-shaped sliding block (8) is connected with the bottom end of the lifting vertical plate (7); the number of the arc-shaped limiting plates (10) is two, and the top end and the bottom end of the inner arc end face of the arc-shaped sliding block (8) are provided with the arc-shaped limiting plates (10); the semicircular plate (9) is clamped between the two arc-shaped limiting plates (10); the top end face and the bottom end face of the semicircular plate (9) are provided with arc-shaped guide strips, the end faces of the two arc-shaped limiting plates (10) close to each other are provided with arc-shaped limiting grooves, the arc-shaped limiting groove on the top end arc-shaped limiting plate (10) is slidingly and matchingly connected with the arc-shaped guide strip on the top end face of the semicircular plate (9), and the arc-shaped limiting groove on the bottom end arc-shaped limiting plate (10) is slidingly and matchingly connected with the arc-shaped guide strip on the bottom end face of the semicircular plate (9).

4. The cleaning device for the sticking residue of the tundish stopper rod according to claim 3, characterized in that: The slag cleaning part comprises two slag cleaning mechanisms, and the two slag cleaning mechanisms are symmetrically arranged at the two ends of the bottom end face of the semicircular plate (9); the slag cleaning mechanism comprises a pressure contact piece, a slag breaking piece and a slag cutting piece; the pressure contact piece is arranged at one end of the bottom end face of the semicircular plate (9); and the slag breaking piece and the slag cutting piece are arranged on the pressure contact piece.

5. The cleaning device for the sticking residue of the tundish stopper rod according to claim 4, characterized in that: The pressure contact piece comprises a fixed block (11), a horizontal moving plate (12) and a spring (13); the fixed block (11) is arranged at one end of the bottom end face of the semicircular plate (9); the bottom end face of the fixed block (11) is provided with a sliding groove, the top end face of the horizontal moving plate (12) is provided with a sliding strip, the sliding strip of the horizontal moving plate (12) is slidingly arranged on the sliding groove of the bottom end of the fixed block (11), and the center line of the sliding strip of the horizontal moving plate (12) is perpendicular to the axis of the semicircular plate (9); a vertical support plate is arranged at one end of the top end face of the horizontal moving plate (12) away from the axis of the semicircular plate (9), and the vertical support plate is connected with the fixed block (11) through the spring (13).

6. The cleaning device for the sticking residue of the tundish stopper rod according to claim 5, characterized in that: The slag breaking member comprises a slag breaking cone (14) which is arranged at the end of the lower end surface of the horizontal moving plate (12) away from the vertical supporting plate by a support, and the tip of the slag breaking cone (14) is vertically downward.

7. The cleaning device for the sticking residue of the tundish stopper rod according to claim 6, characterized in that: The slag cutting member comprises a saw blade (15), a second motor and a toothed chain; the center of the saw blade (15) is provided with a rotating shaft; the bottom end surface of the horizontal moving plate (12) is provided with two inclined plates, and the rotating shaft of the saw blade (15) is arranged between the two inclined plates and one end of the rotating shaft penetrates through the side wall of the inclined plate; the saw blade (15) is located directly below the slag breaking cone (14); one end of the rotating shaft is provided with a driven gear; the second motor is arranged on the bottom end surface of the horizontal moving plate (12), and the output shaft end of the second motor is provided with a driving gear, and the driving gear and the driven gear are connected with the toothed chain.