Vertical crystallizer grinding machine

Abstract

The invention discloses a vertical crystallizer polisher, which belongs to the technical field of polishers, and comprises a mounting seat, on which an overhauling ladder stand is fixedly mounted; the grinding head swing arm feeding mechanism comprises a stand column connected to the mounting base and a lifting motor arranged on the overhauling ladder stand, an output shaft of the lifting motor extends to a first bevel gear, and the outer wall of the first bevel gear is meshed with a bidirectional bevel gear; one end of the bidirectional bevel gear is in meshing transmission with a second bevel gear fixed on a chain wheel, the chain wheel is in meshing transmission with a chain matched with the chain wheel, and a center shaft on the chain wheel is rotationally connected with a steel wire rope. The polishing device can solve the technical problems that in the polishing process, the polishing efficiency is low, only one half can be polished at a time, time needs to be consumed for hoisting and surface changing, the labor intensity is high, great harm is caused to the personal health of operators, polishing and brushing are not clean, a crystallizer is damaged due to excessive polishing, and cleaning is not clean due to insufficient polishing.

Description

Technical Field

[0001] This invention relates to the field of grinding machine technology, specifically a vertical crystallizer grinding machine. Background Technology

[0002] A crystallizer is a continuous casting equipment that receives molten steel poured from the tundish and solidifies it into a solid billet shell according to a specified cross-sectional shape. It is the most critical component of a continuous casting machine; its structure, material, and performance parameters play a decisive role in the quality of the cast billet and the production capacity of the casting machine. A crystallizer is a trough-shaped container with a jacket on the wall or a coiled tube inside, used to heat or cool the solution within. Crystallizers can be used as evaporative crystallizers or cooling crystallizers. To increase crystal production intensity, a stirrer can be added inside the trough. Crystallizers can be used for continuous or intermittent operation. Intermittent operation produces larger crystals, but the crystals are prone to clustering, carrying mother liquor and affecting product purity.

[0003] The current methods for polishing vertical crystallizers are mainly as follows: The manual-assisted semi-automatic polishing abrasive uses a horizontally placed crystallizer to polish the inner cavity from one side. After polishing half of it, it is lifted and turned around to continue polishing the other side. The polishing efficiency is low, and only half of it can be polished at a time. Lifting and changing the surface takes time and is labor-intensive. Manual polishing using hand tools is labor-intensive, time-consuming, and creates a harsh operating environment that poses a significant health risk to operators. Furthermore, it can result in incomplete cleaning, with excessive polishing damaging the crystallizer and insufficient polishing leaving the crystallizer uncleaned.

[0004] Therefore, there is a need for a vertical crystallizer grinding machine that is easy to operate, has high capacity, high efficiency, and high quality. Summary of the Invention

[0005] The purpose of this invention is to provide a vertical crystallizer grinding machine to solve the technical problems of low grinding efficiency, only half polishing at a time, time-consuming hoisting and surface changing, high labor intensity and great harm to the health of operators, and incomplete polishing, resulting in damage to the crystallizer due to excessive polishing and incomplete cleaning due to insufficient polishing.

[0006] The objective of this invention can be achieved through the following technical solutions: A vertical crystallizer grinding machine, comprising: Mounting base, on which a maintenance ladder is fixedly mounted; The grinding head swing arm feeding mechanism includes a column connected to the mounting base and a lifting motor installed on the maintenance ladder. The output shaft of the lifting motor extends to a first bevel gear. A double bevel gear meshes with the outer wall of the first bevel gear. One end of the double bevel gear meshes with a second bevel gear fixed on a sprocket. A chain adapted to the sprocket meshes with the sprocket, and a steel wire rope is rotatably connected to the central shaft of the sprocket. One end of the chain extends to the clamp on the outer wall of the skateboard, one end of the wire rope passes through the traction hole of the skateboard and is fixed to the protrusion of the skateboard, and rollers are connected to the edge of the outer wall of the skateboard along the height direction of the column. A rotating component is installed on the outer wall of the skateboard through a connecting pin.

[0007] Furthermore, the rotating assembly includes a movable plate fixed on a connecting pin. The upper and lower ends of the outer wall of the movable plate are provided with rotating grooves. A rotating bushing is movably connected to the rotating groove. One end of the rotating bushing is fixed to the output shaft of a rotating motor. A grinding head motor is fixedly connected to the crossbeam of the rotating motor. The output shaft of the grinding head motor extends to a first rotating shaft. The first rotating shaft and the second rotating shaft are connected by a conveyor belt. The bottom of the second rotating shaft is connected to a polishing wheel by a throwing rod.

[0008] Furthermore, the first rotating shaft, the second rotating shaft, and the outside of the conveyor belt are all placed in a cover fixed on the crossbeam. The bottom of the polishing wheel passes through the clamping mechanism and extends into the crystallizer. The clamping mechanism includes a clamping motor fixed on the clamping table. The output shaft of the clamping motor extends to the first rotating tooth. The outer wall of the first rotating tooth meshes with a second rotating tooth fixed on the outer wall of the rotating part.

[0009] Furthermore, the bottom of the rotating part is provided with a movable groove that is placed on the clamping platform, and the top of the clamping platform is rotatably connected to a clamp via a hinge, and an adjusting bolt that is adapted to the clamp is connected to the hinge.

[0010] Furthermore, a collection box is provided below the polishing wheel and placed inside the mounting base. The top two sides of the collection box are integrally formed with lifting lugs, and a conduit with a ash discharge port is installed at the bottom of the collection box.

[0011] Furthermore, one end of the slide plate is equipped with an anti-fall pressure tongue that is in contact with and connected to the clamping block, and one end of the anti-fall pressure tongue is equipped with a pressure plate placed on the clamping block via a compression spring.

[0012] Furthermore, both ends of the outer wall of the skateboard are provided with abutment guide components. The abutment guide components include guide wheels that move on the skateboard. The length of the guide wheels is adjusted by locking them with positioning bolts. The outer wall of the positioning bolt is connected to an abutment groove near the inner wall of the positioning block.

[0013] Furthermore, the bottom of the column is connected to the mounting base via a base plate, and the outer wall of the column is provided with reinforcing ribs that are connected to the base plate.

[0014] The beneficial effects of this invention are as follows: The equipment is automated using PLC control, completing the polishing operation in a single setup. The crystallizer is placed in the pit, and vertical polishing is performed using columns, saving space. Grinding noise is low in the pit, and the dust collection box at the bottom can collect all grinding dust, preventing environmental pollution. Cleaning is also more convenient; in conjunction with the dust suction equipment at the crystallizer opening, the dust generated during grinding can be removed promptly, without harming the health and well-being of the operators.

[0015] After the device receives the command, each mechanical component executes the command, achieving high positioning accuracy and realizing equipment automation. It replaces the original horizontal polishing machine in the industry, which was semi-automatic and relied on the operator's visual judgment, resulting in low polishing accuracy, high noise, and a harsh environment.

[0016] The equipment for grinding and polishing the oxide layer and adhering substances on the inner surface of the cavity is automated, achieving grinding and polishing in one step without the need for secondary clamping and hoisting. Equipped with dust removal equipment, it significantly improves the health of operators, creating a comfortable working environment with low pollution, low noise, and compliance with environmental standards. It allows for high-productivity, high-efficiency, and high-quality work to be completed easily by one person. It replaces the previous low-efficiency, low-productivity environment characterized by high noise, high labor intensity, high temperature, and high pollution. Furthermore, it makes rational use of on-site space and reduces resource waste. Attached Figure Description

[0017] The invention will now be further described with reference to the accompanying drawings; Figure 1 This is a schematic diagram of the structure of a vertical crystallizer grinding machine according to the present invention; Figure 2 This is a partial sectional view from the front of a vertical crystallizer grinding machine according to the present invention; Figure 3 This is a schematic diagram of the structure of the column of the present invention; Figure 4 This is a connection diagram of the lifting motor of the present invention; Figure 5 This is a schematic diagram of the meshing transmission of the bidirectional bevel gear of the present invention; Figure 6 This is a schematic diagram of the slider of the present invention; Figure 7 This is a schematic diagram showing the connection between the rotary motor and the lifting motor of the present invention; Figure 8 This is a schematic diagram showing the connection between the first and second rotating shafts of the present invention; Figure 9 This is a schematic diagram of the clamping mechanism of the present invention; Figure 10 This is a schematic diagram of the structure of the collection box of the present invention.

[0018] In the diagram: 1. Mounting base; 2. Maintenance ladder; 3. Grinding head swing arm feed mechanism; 4. Column; 5. Lifting motor; 6. First bevel gear; 7. Double-direction bevel gear; 8. Sprocket; 9. Second bevel gear; 10. Wire rope; 11. Slide plate; 12. Clamping block; 13. Roller; 14. Rotating assembly; 15. Moving plate; 16. Rotating bushing; 17. Rotating motor; 18. Grinding head motor; 19. First rotating shaft; 20. Second rotating shaft; 21. Conveyor belt; 22. Throwing bar; 23. Polishing wheel; 24. Cover; 25. Clamping mechanism; 26. Clamping table; 27. Clamping motor; 28. First rotating gear; 29. ​​Second rotating gear; 30. Fixture; 31. Adjusting bolt; 32. Collection box; 33. Lifting lug; 34. Anti-fall pressure tongue; 35. Anti-collision guide assembly; 36. Guide wheel; 37. Positioning bolt. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Reference manual attached Figures 1-3 As shown, a vertical crystallizer grinding machine includes: Mounting base 1, with maintenance ladder 2 fixedly mounted on mounting base 1; grinding head swing arm feeding mechanism 3, including column 4 connected to mounting base 1 and lifting motor 5 set on maintenance ladder 2, the output shaft of lifting motor 5 extends to first bevel gear 6, the outer wall of first bevel gear 6 meshes with double bevel gear 7, one end of double bevel gear 7 meshes with second bevel gear 9 fixed on sprocket 8, sprocket 8 meshes with a chain adapted to it, and the central shaft on sprocket 8 is rotatably connected to wire rope 10; Specifically, one end of the chain extends to the clamp 12 on the outer wall of the slide plate 11, one end of the steel wire rope 10 passes through the traction hole of the slide plate 11 and is fixed on the protrusion of the slide plate 11, and a roller 13 is connected to the edge of the outer wall of the slide plate 11 along the height direction of the column 4. A rotating component 14 is installed on the outer wall of the slide plate 11 by connecting pins.

[0021] The column 4 is raised to start polishing the bar 22 from the upper inlet of the crystallizer and continue polishing to the tail end of the crystallizer. The swing arm can rotate 60 degrees to the left and right with the rotation support shaft on one side as the rotation center point, so that the polishing wheel 23 can come into contact with the crystallizer for polishing. After polishing, it automatically rotates to the center position of the crystallizer. The polishing wheel 23 is pulled out of the crystallizer and stopped at a safe height by the lifting slide plate 11 of the column 4. Then the swing arm swings to one side to facilitate the hoisting of the crystallizer from the pit.

[0022] The swing arm assembly is used to mount the polishing wheel 23 and rotate within ±60 degrees. It features a compact structure and high rigidity. The polishing wheel 23 is connected and installed with it, ensuring vibration-free operation. The swing arm mechanism can be pre-welded, then heat-treated to relieve stress, and finally machined by a precision machine tool, ensuring high precision in the mounting hole positions of each component. refer to Figure 3 and Figure 5 The rotating assembly 14 includes a movable plate 15 fixed on a connecting pin. The upper and lower ends of the outer wall of the movable plate 15 are provided with rotating grooves. A rotating bushing 16 is movably connected to the rotating groove. One end of the rotating bushing 16 is fixed to the output shaft of the rotating motor 17. A grinding head motor 18 is fixedly connected to the crossbeam on the rotating motor 17. The output shaft of the grinding head motor 18 extends to the first rotating shaft 19. The first rotating shaft 19 and the second rotating shaft 20 are connected by a conveyor belt 21. The bottom of the second rotating shaft 20 is connected to the polishing wheel 23 by a throwing rod 22.

[0023] refer to Figure 2 , Figure 4 and Figure 6 The first rotating shaft 19, the second rotating shaft 20 and the conveyor belt 21 are all placed in the cover 24 fixed on the crossbeam. The bottom of the polishing wheel 23 passes through the clamping mechanism 25 and extends into the crystallizer. The clamping mechanism 25 includes a clamping motor 27 fixed on the clamping table 26. The output shaft of the clamping motor 27 extends to the first rotating tooth 28. The outer wall of the first rotating tooth 28 meshes with the second rotating tooth 29 fixed on the outer wall of the rotating part.

[0024] The bottom of the rotating part is provided with a movable groove placed on the clamping table 26. The top of the clamping table 26 is rotatably connected to a clamp 30 via a hinge, and an adjusting bolt 31 adapted to it is connected to the hinge.

[0025] refer to Figure 1 , Figure 7 and Figure 8 Below the polishing wheel 23 is a collection box 32 placed inside the mounting base 1. The top two sides of the collection box 32 are integrally formed with lifting lugs 33, and the bottom of the collection box 32 is equipped with a conduit with an ash discharge port.

[0026] The workpiece is rotated and installed on the upper plane of the equipment pit, and the crystallizer is hoisted and placed on the tooling fixture 30 for fixed clamping.

[0027] The anti-fall pressure tongue 34 is mainly installed on the lifting slide plate 11 to prevent the slide plate 11 from sliding uncontrollably from the column 4 and to brake the column 4 in time to avoid safety accidents. One end of the slide plate 11 is equipped with an anti-fall pressure tongue 34 that is in contact with the clamping block 12. One end of the anti-fall pressure tongue 34 is equipped with a pressure plate placed on the clamping block 12 through a compression spring.

[0028] The anti-fall latch 34 and its connecting parts work by utilizing the elastic properties of a spring. Specifically, the device uses the spring's elasticity to control the position of the latch, thereby preventing or controlling the falling of an object. When an object falls, the spring compresses and stores energy; when the object stops falling, the spring returns to its original shape, releasing energy and thus preventing the object from falling further.

[0029] refer to Figure 2 , Figure 9 and Figure 10 Both ends of the outer wall of the slide plate 11 are provided with abutment guide components 35. The abutment guide components 35 include guide wheels 36 that move on the slide plate 11. The guide wheels 36 are locked and fixed by positioning bolts 37 to achieve length adjustment. The outer wall of the positioning bolts 37 is connected to the inner wall of the positioning block 38 with an abutment groove. The guide wheels 36 on the slide plate 11 can not only guide the rotation of the rotating bushing 16 during rotation, but also allow the positioning block 38 to be rotated and adjusted during the length adjustment process. This allows the positioning bolts 37 to adapt to different sizes of rotating bushings 16, thus facilitating the grinding head motor 18 to drive the grinding mechanism to make corresponding position adjustments. The bottom of the column 4 is connected to the mounting base 1 through the base plate. The outer wall of the column 4 is provided with reinforcing ribs connected to the base plate.

[0030] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

[0031] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to specific implementations. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A vertical crystallizer grinding machine, characterized in that, include: Mounting base (1), on which a maintenance ladder (2) is fixedly installed; The grinding head swing arm feeding mechanism (3) includes a column (4) connected to the mounting base (1) and a lifting motor (5) set on the maintenance ladder (2). The output shaft of the lifting motor (5) extends to the first bevel gear (6). The outer wall of the first bevel gear (6) is meshed with a double bevel gear (7). One end of the double bevel gear (7) is meshed with a second bevel gear (9) fixed on the sprocket (8). The sprocket (8) is meshed with a chain that is compatible with it, and the central shaft on the sprocket (8) is rotatably connected to a wire rope (10). One end of the chain extends to the clamp (12) on the outer wall of the slide plate (11), one end of the wire rope (10) passes through the traction hole of the slide plate (11) and is fixed on the protrusion of the slide plate (11), and a roller (13) is connected to the edge of the outer wall of the slide plate (11) along the height direction of the column (4), and a rotating assembly (14) is installed on the outer wall of the slide plate (11) by connecting pins.

2. A vertical crystallizer grinding machine according to claim 1, characterized in that, The rotating assembly (14) includes a movable plate (15) fixed on a connecting pin. The upper and lower ends of the outer wall of the movable plate (15) are provided with rotating grooves. A rotating bushing (16) is movably connected to the rotating groove. One end of the rotating bushing (16) is fixed on the output shaft of a rotating motor (17). A grinding head motor (18) is fixedly connected to the crossbeam on the rotating motor (17). The output shaft of the grinding head motor (18) extends to the first rotating shaft (19). The first rotating shaft (19) and the second rotating shaft (20) are connected by a conveyor belt (21). The bottom of the second rotating shaft (20) is connected to the polishing wheel (23) by a throwing rod (22).

3. A vertical crystallizer grinding machine according to claim 2, characterized in that, The first rotating shaft (19), the second rotating shaft (20) and the conveyor belt (21) are all placed in a cover (24) fixed on the crossbeam. The bottom of the polishing wheel (23) passes through the clamping mechanism (25) and extends into the crystallizer. The clamping mechanism (25) includes a clamping motor (27) fixed on the clamping table (26). The output shaft of the clamping motor (27) extends to the first rotating tooth (28). The outer wall of the first rotating tooth (28) meshes with a second rotating tooth (29) fixed on the outer wall of the rotating part.

4. A vertical crystallizer grinding machine according to claim 3, characterized in that, The bottom of the rotating part is provided with a movable groove placed on the clamping platform (26). The top of the clamping platform (26) is rotatably connected to a clamp (30) via a hinge. An adjusting bolt (31) adapted to the clamp is connected to the hinge.

5. A vertical crystallizer grinding machine according to claim 2, characterized in that, Below the polishing wheel (23) is a collection box (32) placed inside the mounting base (1). The top two sides of the collection box (32) are integrally formed with lifting lugs (33), and the bottom of the collection box (32) is equipped with a conduit with an ash discharge port.

6. A vertical crystallizer grinding machine according to claim 1, characterized in that, One end of the slide plate (11) is equipped with a fall-prevention tongue (34) that is in contact with the clamping block (12). One end of the fall-prevention tongue (34) is equipped with a pressure plate placed on the clamping block (12) via a compression spring.

7. A vertical crystallizer grinding machine according to claim 1, characterized in that, Both ends of the outer wall of the slide plate (11) are provided with abutment guide components (35). The abutment guide components (35) include guide wheels (36) that move on the slide plate (11). The length of the guide wheels (36) is adjusted by locking them with positioning bolts (37). The outer wall of the positioning bolts (37) is connected to the inner wall of the positioning block (38).

8. A vertical crystallizer grinding machine according to claim 1, characterized in that, The bottom of the column (4) is connected to the mounting base (1) through the base plate, and the outer wall of the column (4) is provided with reinforcing ribs connected to the base plate.

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