Rolling mill slag scraping mechanism with good slag scraping effect
By designing a slag scraping mechanism including a slag collection box, a scraping assembly and a discharge assembly, the problems of slag residue and condensation in the prior art are solved, and efficient slag scraping and discharge are achieved.
Patent Information
- Application Number
- CN202421568010.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-07-04
AI Technical Summary
When scraping slag materials in existing steel rolling mills, the slag materials tend to remain in the gaps between the scrapers, and the slag materials tend to condense when discharged, resulting in large volume and difficult to discharge.
A slag scraping mechanism including a slag collecting box, a scraping assembly and a discharge assembly are designed. The scraping assembly drives the scraping plate through the motor-driven gear system to ensure that the slag is effectively scraped and discharged into the discharge trough. The discharge assembly further crushes and conveys slag material through cutting blades and cutting dragons.
It effectively solves the problems of residue and condensation of slag materials, ensures that slag materials can be discharged smoothly, and improves slag scraping efficiency and stability.
Smart Images

Figure CN222761422U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of slag scraping mechanisms for steel rolling mills, in particular to a slag scraping mechanism for steel rolling mills with good slag scraping effect. Background Art
[0002] The water seal mechanism of the steel rolling heating furnace known at present includes a water seal groove and a slag scraping mechanism. The movable column of the walking beam passes through the furnace bottom and is fixed on the translation frame. In order to seal the movable column with the furnace bottom opening, a water seal groove is provided at the lower part of each row of movable beams and is fixed on the translation frame. The skirt cover and the water seal groove are installed under the furnace bottom plate around the furnace bottom opening to form a good water seal device. The water seal groove is used to seal the furnace bottom to prevent cold air from being sucked into the furnace, and is also used to store the iron oxide and refractory slag falling through the gap. Slag scraping plates are hung between the water seal skirt covers and on one side. The iron oxide refractory slag generated by heating the slab in the furnace enters the water seal groove through the furnace bottom opening. The water seal groove is placed on the steel structure of the walking furnace bottom and moves with the walking beam. The scraping plate is fixed. With the movement of the walking beam, the scraping plate fixed on the steel structure of the furnace bottom is scraped to the chute at the feed end and discharged into the iron sheet groove.
[0003] The announcement number CN 204896636U discloses a slag scraping mechanism for a steel rolling mill with good slag scraping effect, comprising a water seal groove arranged on a translation frame, a water seal skirt cover fixedly connected to the furnace bottom, and a slag scraping plate fixedly arranged on the water seal skirt cover, wherein the groove bottom of the water seal is divided into a slag collection area and a slag conveying area, the slag collection area is in an inclined structure, the inclined surface extends downward in the direction of the slag conveying area and is connected to the slag conveying area, and the slag collection area is located below the water seal skirt cover;
[0004] When the device is in use, when scraping the slag, some of the slag tends to remain and accumulate in the gaps between multiple scrapers, and the slag tends to condense when discharged, making the volume larger and more difficult to discharge. Therefore, we propose a steel mill slag scraping mechanism with good scraping effect. Utility Model Content
[0005] The utility model aims to solve the shortcomings in the prior art and provides a steel mill slag scraping mechanism with good slag scraping effect.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A steel mill slag scraping mechanism with good scraping effect comprises a slag collecting box, a discharge box is fixedly installed on the bottom of the slag collecting box, a discharge pipe is fixedly installed on the bottom of the discharge box, a protective cover is fixedly installed on the bottom of the slag collecting box, sliding blocks are slidably installed on the left and right inner walls of the slag collecting box, a fixed box is fixedly installed on one side of the sliding block, and a discharge slope is fixedly installed on the left and right inner walls of the slag collecting box; a scraping assembly, the scraping assembly is installed on the fixed box; and a discharge assembly, the discharge assembly is installed on the protective cover.
[0008] Preferably, the scraper assembly includes a first motor, a drive shaft, a rotating shaft, a gear, a mounting plate, a scraper plate and an anti-piling slope, the first motor is fixedly mounted on the top of a fixed box, the drive shaft is fixedly mounted on the output end of the first motor, the rotating shaft is rotatably mounted between the top inner wall and the bottom inner wall of the fixed box, the gear is fixedly mounted on the upper and lower sides of the outer sides of the drive shaft and the rotating shaft, the gears are meshed, the mounting plate is fixedly mounted on the front and rear sides of the sliding block, the scraper plate is fixedly mounted on one side of the mounting plate, and the anti-piling slope is fixedly mounted between one side of the fixed box.
[0009] By adopting the above technical solution, the slag at the bottom of the slag collecting box can be scraped off by the scraper plate and is not easy to adhere to the inside and above.
[0010] Preferably, the discharge assembly includes a second motor, a fixed shaft, a cutting blade and a discharge dragon, the second motor is fixedly mounted on the inner side of the protective cover, the fixed shaft is fixedly mounted on the output end of the second motor, the cutting blade is fixedly mounted on the outer side of the fixed shaft, and the discharge dragon is fixedly mounted on the outer side of the fixed shaft.
[0011] By adopting the above technical solution, the cutting blade can crush the slag material, making it convenient for the unloading dragon to transport the material.
[0012] Preferably, a plurality of threaded holes are provided on one side of the mounting plate and the scraper plate, and fixing bolts are threadedly installed inside the threaded holes.
[0013] By adopting the above technical solution, the scraper plate can be disassembled and maintained during long-term use, and is easy to replace.
[0014] Preferably, a material discharge trough is provided on the front and rear sides of the bottom inner wall of the slag collecting box, and the material discharge slope and the anti-stacking slope are triangular.
[0015] By adopting the above technical solution, slag is not easily accumulated on the material discharge slope and the anti-stacking slope, so that the slag can be discharged into the inner side of the discharge box through the material discharge chute.
[0016] Preferably, sliding grooves are provided on the left and right inner walls of the slag collecting box, and the sliding blocks fit in the sliding grooves.
[0017] By adopting the above technical solution, the sliding groove facilitates the sliding of the sliding block, so that the fixed box is more stable during the movement.
[0018] Preferably, the inner walls on the left and right sides of the slag collecting box are provided with through grooves, the inner sides of the through grooves are provided with tooth grooves, and the gears are meshed with the tooth grooves.
[0019] By adopting the above technical solution, the fixed box can be moved through the tooth groove after the gear rotates.
[0020] Preferably, a rotation groove is provided on the upper and lower sides of one side of the fixed box, and the gear is rotatably installed on the inner side of the rotation groove.
[0021] By adopting the above technical solution, the rotating groove makes it easy for the gear to mesh with the tooth groove inside the through groove after rotation.
[0022] Compared with the prior art, the beneficial effects of the utility model are:
[0023] (1) The utility model discloses a slag scraping mechanism for a steel rolling mill with good slag scraping effect. By setting a scraping assembly, the device can make the slag slide onto the bottom inner wall of the slag collecting box through a material discharge slope, control the first motor to drive the driving shaft to rotate, and make the driving shaft drive the rotating shaft to rotate through the gear, so that the gear above the rotating shaft can mesh with the tooth groove inside the through groove, so that after the mutual cooperation, the fixed box can be driven to slide, so that the fixed box can slide more stably through the sliding block during the sliding process, and the sliding block can hang the slag into the inner side of the material discharge trough through the scraping plate, so that the slag can be discharged from the discharge box and the discharge pipe;
[0024] (2) The utility model is a slag scraping mechanism for a steel mill with good slag scraping effect. After the slag enters the inner side of the discharge box, the second motor is controlled to rotate the fixed shaft, so that the fixed shaft can drive multiple cutting blades to cut and crush the slag, and the slag is discharged through the discharge dragon, so that the slag is not easy to accumulate and the arrangement is more convenient and stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 A three-dimensional structural diagram of a slag scraping mechanism for a steel rolling mill with good slag scraping effect proposed by the utility model;
[0026] Figure 2 It is a partial three-dimensional structural diagram of a slag scraping mechanism for a steel rolling mill with good slag scraping effect proposed by the utility model;
[0027] Figure 3It is a partial three-dimensional structural diagram of a slag scraping mechanism for a steel rolling mill with good slag scraping effect proposed by the utility model;
[0028] Figure 4 It is a partial three-dimensional structural diagram of a slag scraping mechanism for a steel rolling mill with good slag scraping effect proposed by the utility model;
[0029] Figure 5 It is a partial three-dimensional structural diagram of a slag scraping mechanism for a steel rolling mill with good slag scraping effect proposed by the utility model;
[0030] Figure 6 for Figure 5 Schematic diagram of the structure of part A in .
[0031] In the figure: 1. slag collection box; 2. discharge box; 3. discharge pipe; 4. protective cover; 5. sliding block; 6. fixed box; 7. discharge slope; 8. first motor; 9. drive shaft; 10. rotating shaft; 11. gear; 12. mounting plate; 13. scraper plate; 14. anti-stacking slope; 15. second motor; 16. fixed shaft; 17. cutting blade; 18. discharge dragon; 19. threaded hole; 20. discharge trough; 21. sliding groove; 22. through groove; 23. tooth groove; 24. rotating groove. DETAILED DESCRIPTION
[0032] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0033] refer to Figure 1-6 A steel mill slag scraping mechanism with good scraping effect comprises a slag collecting box 1, a discharge box 2 is fixedly installed at the bottom of the slag collecting box 1, a discharge pipe 3 is fixedly installed at the bottom of the discharge box 2, a protective cover 4 is fixedly installed at the bottom of the slag collecting box 1, sliding blocks 5 are slidably installed on the left and right inner walls of the slag collecting box 1, a fixed box 6 is fixedly installed on one side of the sliding block 5, and a discharge slope 7 is fixedly installed on the left and right inner walls of the slag collecting box 1; a scraping assembly, which is installed on the fixed box 6; a discharge assembly, which is installed on the protective cover 4.
[0034] In this embodiment, the scraper assembly includes a first motor 8, a drive shaft 9, a rotating shaft 10, a gear 11, a mounting plate 12, a scraper plate 13 and an anti-stacking slope 14. The first motor 8 is fixedly mounted on the top of the fixed box 6, the drive shaft 9 is fixedly mounted on the output end of the first motor 8, the rotating shaft 10 is rotatably mounted between the top inner wall and the bottom inner wall of the fixed box 6, the gear 11 is fixedly mounted on the upper and lower sides of the outer side of the drive shaft 9 and the rotating shaft 10, the gears 11 are meshed, the mounting plate 12 is fixedly mounted on the front and rear sides of the sliding block 5, the scraper plate 13 is fixedly mounted on one side of the mounting plate 12, and the anti-stacking slope 14 is fixedly mounted between one side of the fixed box 6.
[0035] In this embodiment, the discharge assembly includes a second motor 15, a fixed shaft 16, a cutting blade 17 and a discharge dragon 18. The second motor 15 is fixedly installed on the inner side of the protective cover 4, the fixed shaft 16 is fixedly installed on the output end of the second motor 15, the cutting blade 17 is fixedly installed on the outer side of the fixed shaft 16, and the discharge dragon 18 is fixedly installed on the outer side of the fixed shaft 16.
[0036] In this embodiment, a plurality of threaded holes 19 are formed on one side of the mounting plate 12 and the scraper plate 13 , and fixing bolts are threadedly installed inside the threaded holes 19 .
[0037] In this embodiment, a material discharge chute 20 is provided on both the front and rear sides of the bottom inner wall of the slag collecting box 1, and the material discharge slope 7 and the anti-stacking slope 14 are triangular.
[0038] In this embodiment, sliding grooves 21 are provided on the left and right inner walls of the slag collecting box 1 , and the sliding blocks 5 fit in the sliding grooves 21 .
[0039] In this embodiment, through grooves 22 are formed on the inner walls on the left and right sides of the slag collecting box 1 , and tooth grooves 23 are formed inside the through grooves 22 , and the gears 11 are meshed with the tooth grooves 23 .
[0040] In this embodiment, a rotation groove 24 is formed on both upper and lower sides of one side of the fixed box 6 , and the gear 11 is rotatably mounted inside the rotation groove 24 .
[0041] The specific operation is that the device can make the slag slide onto the bottom inner wall of the slag collecting box 1 through the material discharge slope 7, control the first motor 8 to drive the driving shaft 9 to rotate, and make the driving shaft 9 drive the rotating shaft 10 to rotate through the gear 11, so that the gear 11 above the rotating shaft 10 can mesh with the tooth groove 23 inside the through groove 22, so that after they cooperate with each other, they can drive the fixed box 6 to slide, so that the fixed box 6 can slide more stably through the sliding block 5 during the sliding process, and the sliding block 5 can hang the slag into the inner side of the material discharge chute 20 through the scraper plate 13, so that the slag can be discharged from the discharge box 2 and the discharge pipe 3; after the slag enters the inner side of the discharge box 2, control the second motor 15 to drive the fixed shaft 16 to rotate, so that the fixed shaft 16 can drive multiple cutting blades 17 to cut and crush the slag, and discharge the slag through the material discharge dragon 18, so that the slag is not easy to accumulate, and the arrangement is more convenient and stable.
[0042] The above is a detailed introduction to a steel mill scraping mechanism with good scraping effect provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.
Claims
1. A slag scraping mechanism for a steel rolling mill with good slag scraping effect, characterized in that: include: A slag collection box (1), a discharge box (2) is fixedly installed at the bottom of the slag collection box (1), a discharge pipe (3) is fixedly installed at the bottom of the discharge box (2), a protective cover (4) is fixedly installed at the bottom of the slag collection box (1), sliding blocks (5) are slidably installed on the left and right inner walls of the slag collection box (1), a fixed box (6) is fixedly installed on one side of the sliding block (5), and a discharge slope (7) is fixedly installed on the left and right inner walls of the slag collection box (1); A scraper assembly, the scraper assembly being mounted on a fixed box (6); A discharge assembly is mounted on the protective cover (4).
2. A steel mill slag scraping mechanism with good slag scraping effect according to claim 1, characterized in that: The scraper assembly comprises a first motor (8), a drive shaft (9), a rotating shaft (10), a gear (11), a mounting plate (12), a scraper plate (13) and an anti-piling slope (14), wherein the first motor (8) is fixedly mounted on the top of a fixed box (6), the drive shaft (9) is fixedly mounted on the output end of the first motor (8), the rotating shaft (10) is rotatably mounted between the top inner wall and the bottom inner wall of the fixed box (6), the gear (11) is fixedly mounted on the upper and lower sides of the outer sides of the drive shaft (9) and the rotating shaft (10), the gears (11) are meshed, the mounting plate (12) is fixedly mounted on the front and rear sides of the sliding block (5), the scraper plate (13) is fixedly mounted on one side of the mounting plate (12), and the anti-piling slope (14) is fixedly mounted between one side of the fixed box (6).
3. A steel mill slag scraping mechanism with good slag scraping effect according to claim 1, characterized in that: The discharge assembly comprises a second motor (15), a fixed shaft (16), a cutting blade (17) and a discharge dragon (18), wherein the second motor (15) is fixedly mounted on the inner side of the protective cover (4), the fixed shaft (16) is fixedly mounted on the output end of the second motor (15), the cutting blade (17) is fixedly mounted around the outer side of the fixed shaft (16), and the discharge dragon (18) is fixedly mounted on the outer side of the fixed shaft (16).
4. A steel mill slag scraping mechanism with good slag scraping effect according to claim 2, characterized in that: A plurality of threaded holes (19) are provided on one side of the mounting plate (12) and the scraper plate (13), and fixing bolts are threadedly installed on the inner sides of the threaded holes (19).
5. A steel mill slag scraping mechanism with good slag scraping effect according to claim 1, characterized in that: The bottom inner wall of the slag collection box (1) is provided with a material discharge trough (20) on both sides, and the material discharge slope (7) and the anti-stacking slope (14) are triangular.
6. A steel mill slag scraping mechanism with good slag scraping effect according to claim 1, characterized in that: The left and right inner walls of the slag collection box (1) are provided with sliding grooves (21), and the sliding block (5) fits in the sliding grooves (21).
7. A steel mill slag scraping mechanism with good slag scraping effect according to claim 2, characterized in that: The left and right inner walls of the slag collection box (1) are provided with through grooves (22), the inner sides of the through grooves (22) are provided with tooth grooves (23), and the gears (11) are meshed with the tooth grooves (23).
8. The slag scraping mechanism for a steel rolling mill with good slag scraping effect according to claim 2, characterized in that: A rotation groove (24) is provided on both upper and lower sides of one side of the fixed box (6), and the gear (11) is rotatably mounted inside the rotation groove (24).
Citation Information
Patent Citations
Sediment mechanism is scraped to steel rolling heating furnace
CN204896636U