A slag collecting system for a billet resharpening machine

Abstract

The utility model relates to billet repair grinder technical field especially a kind of waste residue collection system of billet repair grinder, including slag collecting device and hopper, the slag collecting device is fixed in the top of the hopper, the slag collecting device includes damming residue component and residue removal component, the damming residue component is set on the projection path of waste residue, the residue removal component includes residue removal part, the surface of the damming residue component is abutted with the residue removal part, the residue removal component and damming residue component relative motion to remove the waste residue on the surface of the damming residue component to the hopper. Billet repair grinder generated waste residue impact on damming residue component, and the relative motion of damming residue component and residue removal component makes residue removal part clean waste residue on damming residue component in time into hopper, avoid high-temperature waste residue stick on the surface of damming residue component gradually form scale, to reduce the frequency of production downtime cleaning scale, improve production efficiency, reduce personnel labor intensity.

Description

Technical Field

[0001] This utility model relates to the technical field of billet grinding machines, and in particular to a waste slag collection system for billet grinding machines. Background Technology

[0002] In the steelmaking process, molten steel is cast into billets by a continuous casting machine and then rolled. For some special steel grades, the iron oxide scale on the surface of the billet needs to be removed before rolling; or for defective billets caused by abnormal process control during production, the surface defects need to be removed before rolling. These billets need to be ground using a billet grinding machine.

[0003] In existing technology, during the grinding process of a billet grinding machine, high-temperature sparks are generated, and iron particles and slag impact at high speed against the iron plate located behind the collection hopper. Combined with the adhesive abrasive dust removed from the grinding wheel, large deposits of scale accumulate on the iron plate over time. These high-temperature-formed scale deposits do not fall off naturally and require manual removal by striking them, leading to production downtime, wasting time and labor, and severely impacting production efficiency. Furthermore, the collection hopper is located in a pit, requiring the machine to be stopped and the hopper lifted out before the waste slag can be collected and processed, further restricting operational efficiency, increasing the labor intensity of personnel, and increasing the production load. Utility Model Content

[0004] The main purpose of this utility model is to provide a waste slag collection system for a billet grinding machine, so as to solve the technical problem that waste slag easily accumulates on the iron plate and forms scale, which requires manual removal and thus affects production efficiency.

[0005] To achieve the above objectives, this utility model provides a waste slag collection system for a billet grinding machine, including a slag collection device and a hopper. The slag collection device is fixed above the hopper. The slag collection device includes a slag-blocking component and a slag-removing component. The slag-blocking component is disposed on the waste slag throwing path. The slag-removing component includes a slag-removing part that abuts against the surface of the slag-blocking component. The slag-removing component and the slag-blocking component move relative to each other to remove the waste slag on the surface of the slag-blocking component into the hopper.

[0006] Furthermore, the slag collection device also includes a fixed frame and a drive assembly. The slag blocking assembly and the slag removal assembly are respectively connected to the fixed frame. The slag removal assembly is disposed in the middle of the slag blocking assembly. The drive assembly is fixedly connected to the fixed frame and is connected to the slag blocking assembly and the slag removal assembly respectively to achieve relative movement.

[0007] More preferably, the slag-blocking assembly includes two first rotating shafts, a chain plate, and a first wheel. The first wheel is fixed to both ends of the first rotating shaft. The chain plate includes a chain. The chain plates are connected end to end to form a closed loop structure. The two first rotating shafts are disposed within the closed loop structure. The closed loop structure is perpendicular to the horizontal plane. The first wheel meshes with the chain. The first rotating shaft is rotatably connected to the fixed frame.

[0008] More preferably, the chain plate includes multiple strip plate units, which are fixedly connected to the chain and arranged in parallel along the transmission direction; each strip plate unit includes a curved portion that bends towards the waste residue, and the axis of the circle containing the curved portion is parallel to the axis of the first rotating shaft.

[0009] More preferably, the fixing frame further includes a movable bearing seat for adjusting the height of the first rotating shaft, wherein any one of the first rotating shafts is rotatably connected to the movable bearing seat.

[0010] More preferably, the slag removal assembly includes a second rotating shaft, the slag removal part is a roller brush, the second rotating shaft is rotatably connected to the fixed frame, the roller brush is distributed on the outer periphery of the second rotating shaft, and the roller brush is connected to the chain plate.

[0011] More preferably, the drive assembly includes a motor, a first drive chain and a second drive chain, a second wheel is provided at the end of the first shaft near the motor, a third wheel is provided at the end of the second shaft near the motor, and a fourth wheel is provided on the output shaft of the motor. The first drive chain meshes with the second wheel and the fourth wheel respectively, and the second drive chain meshes with the third wheel and the fourth wheel respectively.

[0012] Furthermore, the hopper is located underground and includes an inlet and an outlet. The inlet is located at the top of the hopper, and the outlet is located at the bottom of the hopper. The slag collection device is located above the inlet, and the size of the outlet is smaller than the size of the inlet.

[0013] More preferably, it also includes a first conveyor belt, a second conveyor belt, and an elevator. The first conveyor belt is disposed below the discharge hopper, and the second conveyor belt is disposed on the ground. The elevator includes an input end and a discharge end. The input end is fixed below the discharge end of the first conveyor belt, and the discharge end is fixed above the second conveyor belt.

[0014] More preferably, it also includes a double-roll crusher, which is fixed between the discharge port and the first conveyor belt, and the axis of the double-roll crusher is parallel to the first conveyor belt.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] In this invention, the waste slag generated by the billet grinding machine impacts the slag-blocking component. The relative movement between the slag-blocking component and the slag-removing component allows the slag-removing part to promptly clean the waste slag on the slag-blocking component into the feed hopper, preventing the high-temperature waste slag from sticking to the surface of the slag-blocking component and gradually forming scale. This reduces the frequency of production downtime for scale cleaning, improves production efficiency, and reduces the labor intensity of personnel. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 This is a three-dimensional schematic diagram of the overall structure in one embodiment of the present utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the slag collection device in one embodiment of the present invention;

[0020] Figure 3 This is a schematic diagram of the overall structure of the slag-blocking component in one embodiment of the present invention;

[0021] Figure 4 This is a schematic diagram of the overall structure of the slag removal component in one embodiment of the present invention.

[0022] The purpose, features, and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings.

[0023] Explanation of icon numbers:

[0024] 1. Slag collection device; 11. Slag blocking assembly; 1101. First rotating shaft; 1102. Chain plate; 1103. First wheel; 12. Slag removal assembly; 1201. Roller brush; 1202. Second rotating shaft; 13. Fixing frame; 14. Motor; 15. First drive chain; 16. Second drive chain; 17. Second wheel; 18. Third wheel; 19. Fourth wheel; 2. Hopper; 3. Double roll crusher; 4. First conveyor belt; 5. Elevator; 6. Second conveyor belt. Detailed Implementation

[0025] It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0028] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0029] Please see Figures 1 to 4 This embodiment provides a waste slag collection system for a billet grinding mill, including a fixed frame 13, a driving device, a slag collection device 1, and a hopper 2. The slag collection device 1 is fixed above the hopper 2. The slag collection device 1 includes a slag-blocking component 11 and a slag-removing component 12. The slag-blocking component 11 is disposed on the waste slag's projection path. The slag-blocking component 11 and the slag-removing component 12 are respectively connected to the fixed frame 13. The slag-removing component 12 is disposed in the middle of the slag-blocking component 11. The slag-removing component 12 includes a slag-removing part that abuts against the surface of the slag-blocking component 11. The driving component is fixedly connected to the fixed frame 13 and is connected to both the slag-blocking component 11 and the slag-removing component 12 to achieve relative movement, thereby removing the waste slag from the surface of the slag-blocking component 11 into the hopper 2.

[0030] The waste slag produced by the billet grinding machine impacts the slag-blocking assembly 11. Some of the waste slag is bounced back and falls into the hopper 2, while the other part sticks to the surface of the slag-blocking assembly 11. The driving device drives the slag-blocking assembly 11 and the slag removal assembly 12 to move relative to each other, so that the slag removal part can clean the waste slag on the slag-blocking assembly 11 into the hopper 2 in time, avoiding the high-temperature waste slag from sticking to the surface of the slag-blocking assembly 11 and gradually forming scale, thereby reducing the frequency of production shutdowns to clean scale, improving production efficiency, and reducing the labor intensity of personnel.

[0031] In one embodiment, the slag-blocking assembly 11 includes two first rotating shafts 1101, a chain plate 1102, and a first wheel 1103. The first wheel 1103 is fixed to both ends of the first rotating shaft 1101. The chain plate 1102 includes a chain and the chain plates 1102 are connected end to end to form a closed loop structure. The two first rotating shafts 1101 are disposed within the closed loop structure. The closed loop structure is perpendicular to the horizontal plane. The first wheel 1103 meshes with the chain. The first rotating shaft 1101 is rotatably connected to the fixing frame 13. In this embodiment, the closed-loop structure formed by the chain plate 1102 prevents waste residue from accumulating in one place as the chain plate 1102 moves. When the chain plate 1102 is in a straight section, some waste residue is bounced off the chain plate 1102 and falls into the feed hopper 2, while other waste residue sticks to the surface of the chain plate 1102. When the waste residue is conveyed to the arc section of the chain plate 1102, waste residue with weak adhesion falls into the feed hopper 2 due to its own weight. Waste residue with strong adhesion cleans the feed hopper 2 due to the relative movement of the slag removal component 12 and the slag blocking component 11.

[0032] In one embodiment, the chain plate 1102 is segmented, comprising multiple strip plate units fixedly connected to the chain, and arranged side-by-side along the transmission direction. Each strip plate unit includes a curved portion bent towards the waste residue, the axis of which is parallel to the axis of the first rotating shaft 1101. The segmented chain plate 1102 improves rigidity while ensuring smooth rotation. The curved middle section of the strip plate unit reduces the adhesion area of ​​waste residue on the chain plate 1102, further reducing scale buildup. Specifically, the strip plate units are made of 304 stainless steel, and their surfaces are coated with a silicon nitride coating, reducing adhesion while increasing strength.

[0033] In one embodiment, preferably, the fixing frame 13 further includes a movable bearing seat for adjusting the height of the first rotating shaft 1101, and any one of the first rotating shafts 1101 is rotatably connected to the movable bearing seat. Specifically, in this embodiment, the lower first rotating shaft 1101 is rotatably connected to the movable bearing seat, the movable bearing seat includes a screw, and the fixing frame 13 is provided with a screw hole. After the screw passes through the screw hole, the first rotating shaft 1101 is locked by a nut. The distance between the first rotating shafts 1101 is adjusted by adjusting the locking length of the screw, and it also plays a tensioning role when the chain plate 1102 deforms.

[0034] In one embodiment, the slag removal assembly 12 includes a second rotating shaft 1202 and a slag removal section consisting of a roller brush 1201. The second rotating shaft 1202 is rotatably connected to the fixed frame 13. The roller brush 1201 is distributed on the outer periphery of the second rotating shaft 1202 and is in contact with the chain plate 1102. The second rotating shaft 1202 rotates in the opposite direction to the first rotating shaft 1101. The continuous friction between the roller brush 1201 and the chain plate 1102 causes the residual waste slag on the chain plate 1102 to be scraped off.

[0035] In one embodiment, the drive assembly includes a motor 14, a first drive chain 15, and a second drive chain 16. A second wheel 17 is provided at the end of either of the first shafts 1101 near the motor 14, and a third wheel 18 is provided at the end of the second shaft 1202 near the motor 14. A fourth wheel 19 is provided on the output shaft of the motor 14. The first drive chain 15 meshes with the second wheel 17 and the fourth wheel 19, respectively, and the second drive chain 16 meshes with the third wheel 18 and the fourth wheel 19, respectively. The motor 14, as the sole drive source, simultaneously drives the first shaft 1101 and the second shaft 1202 to rotate via chain transmission.

[0036] The first wheel 1103, the second wheel 17, the third wheel 18, and the fourth wheel 19 are all gears to increase torque output capability.

[0037] In one embodiment, the system further includes a double-roll crusher 3, a first conveyor belt 4, a second conveyor belt 6, and an elevator 5. The first conveyor belt 4 is disposed below the discharge hopper 2, and the second conveyor belt 6 is disposed on the ground. The elevator 5 includes an input end and a discharge end. The input end is fixed below the material drop end of the first conveyor belt 4, and the discharge end is fixed above the second conveyor belt 6. The hopper 2 is disposed underground and includes a feed inlet and a discharge outlet. The feed inlet is located at the upper part of the hopper 2, and the discharge outlet is located at the lower part of the hopper 2. The slag collection device 1 is disposed above the feed inlet, and the size of the discharge outlet is smaller than the size of the feed inlet. The double-roll crusher 3 is fixed between the discharge outlet and the first conveyor belt 4, and the axis of the double-roll crusher 3 is parallel to the first conveyor belt 4.

[0038] Specifically, the roller surfaces of the double-roll crusher 3 are made of hard alloy material, and the spacing between the double-roll crushers 3 is adjustable, ranging from 0.5 to 5 mm. The elevator 5 is an NE50 type Z-shaped elevator with a lifting capacity of 20 m³ / h. 3 / h. The volume of the hopper 2 is 3m³. 3 The taper between the feed inlet and the discharge outlet is 55°. The hopper 2 is lined with a silicon carbide wear-resistant layer. The bottom of the hopper 2 is equipped with a three-point weighing module with a weighing accuracy of ±0.5%. When the discharge outlet is blocked, it can promptly alarm and remind technicians to clear the blockage.

[0039] After the waste slag falls into hopper 2, when it accumulates to a certain level, the discharge port is opened, and the waste slag is unloaded from hopper 2. After passing through the double-roll crusher 3, some cooled and agglomerated waste slag is re-crushed by the double-roll crusher 3. All the waste slag falls onto the first conveyor belt 4 and enters the input end of the elevator 5 from the discharge end of the first conveyor belt 4. Subsequently, the waste slag is conveyed by the elevator 5 to the second conveyor belt 6, and then transported to the factory's storage silo via the second conveyor belt 6. The entire process of waste slag collection and transportation requires no human intervention, achieving unmanned operation, improving production efficiency and safety, and reducing the labor intensity and production load of workers.

[0040] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A waste slag collection system for a billet grinding mill, characterized in that, The device includes a slag collection device and a hopper. The slag collection device is fixed above the hopper. The slag collection device includes a slag blocking component and a slag removal component. The slag blocking component is disposed on the slag throwing path. The slag removal component includes a slag removal part that abuts against the surface of the slag blocking component. The slag removal component and the slag blocking component move relative to each other to remove the slag on the surface of the slag blocking component into the hopper.

2. The waste residue collection system according to claim 1, characterized in that, The slag collection device further includes a fixed frame and a drive assembly. The slag blocking assembly and the slag removal assembly are respectively connected to the fixed frame. The slag removal assembly is located in the middle of the slag blocking assembly. The drive assembly is fixedly connected to the fixed frame and is connected to the slag blocking assembly and the slag removal assembly respectively to achieve relative movement.

3. The waste residue collection system according to claim 2, characterized in that, The slag-blocking assembly includes two first rotating shafts, a chain plate, and a first wheel. The first wheel is fixed to both ends of the first rotating shaft. The chain plate includes a chain. The chain plates are connected end to end to form a closed loop structure. The two first rotating shafts are arranged inside the closed loop structure. The closed loop structure is perpendicular to the horizontal plane. The first wheel meshes with the chain. The first rotating shaft is rotatably connected to the fixed frame.

4. The waste residue collection system according to claim 3, characterized in that, The chain plate includes multiple strip plate units, which are fixedly connected to the chain. The multiple strip plate units are arranged in parallel along the transmission direction. Each strip plate unit includes a curved portion, which bends towards the waste residue. The axis of the circle containing the curved portion is parallel to the axis of the first rotating shaft.

5. The waste residue collection system according to claim 4, characterized in that, The mounting bracket also includes a movable bearing seat for adjusting the height of the first rotating shaft, and any one of the first rotating shafts is rotatably connected to the movable bearing seat.

6. The waste residue collection system according to claim 3, characterized in that, The slag removal assembly includes a second rotating shaft, the slag removal part is a roller brush, the second rotating shaft is rotatably connected to the fixed frame, the roller brush is distributed on the outer periphery of the second rotating shaft, and the roller brush is connected to the chain plate.

7. The waste residue collection system according to claim 6, characterized in that, The drive assembly includes a motor, a first drive chain, and a second drive chain. A second wheel is provided at the end of the first shaft near the motor, and a third wheel is provided at the end of the second shaft near the motor. A fourth wheel is provided on the output shaft of the motor. The first drive chain meshes with the second wheel and the fourth wheel, respectively, and the second drive chain meshes with the third wheel and the fourth wheel, respectively.

8. The waste residue collection system according to claim 1, characterized in that, The hopper is located underground and includes an inlet and an outlet. The inlet is located at the top of the hopper, and the outlet is located at the bottom of the hopper. The slag collection device is located above the inlet, and the size of the outlet is smaller than that of the inlet.

9. The waste residue collection system according to claim 8, characterized in that, It also includes a first conveyor belt, a second conveyor belt, and an elevator. The first conveyor belt is located below the discharge port, and the second conveyor belt is located on the ground. The elevator includes an input end and a discharge end. The input end is fixed below the discharge end of the first conveyor belt, and the discharge end is fixed above the second conveyor belt.

10. The waste residue collection system according to claim 9, characterized in that, It also includes a double-roll crusher, which is fixed between the discharge port and the first conveyor belt, and the axis of the double-roll crusher is parallel to the first conveyor belt.

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