Casting powder adding device for round billet continuous casting

Abstract

The utility model relates to the technical field of round billet continuous casting covering slag adding, in particular to a round billet continuous casting covering slag adding device which comprises a base, the top of the base is symmetrically and fixedly connected with U-shaped supporting rods, the supporting rods are connected with a hopper box through a lifting assembly, a stirring assembly is arranged in the hopper box, and the stirring assembly is connected with the hopper box. The bottom of the hopper box is connected with a feeding pipe through a conveying pipe, and an adding assembly is arranged in the feeding pipe. When the stirring device is used, the first motor controls the stirring rods to rotate at a constant speed through the rotating rods, the rotating rods can stir covering slag accumulated in the hopper box and the conveying pipe, and therefore the covering slag can be prevented from being blocked, the covering slag in the conveying pipe can normally enter the feeding pipe, and the conveying pipe is prevented from being blocked. And therefore, the casting powder can be normally fed.

Description

Technical Field

[0001] The utility model relates to the technical field of tundish powder addition for round billet continuous casting, in particular to a tundish powder addition device for round billet continuous casting. Background Art

[0002] The tundish powder for round billet continuous casting is a material used in the process of round billet continuous casting. Its main function is to protect the surface of the casting billet, prevent direct contact between the molten steel and the mold, reduce surface defects of the casting billet, and improve the quality of the casting billet.

[0003] After retrieval, the patent document with the application number CN201620091534.4 discloses an automatic tundish powder adding device for round billet continuous casting, including: a hopper box and a feeding pipe with a built-in screw feeder. The feeding pipe is below the hopper box, the feeding port of the feeding pipe corresponds to the discharging port of the hopper box, a semi-circular gear ring is arranged at the discharging port end of the feeding pipe, cloth boxes are respectively arranged at both ends of the semi-circular gear ring, and the semi-circular gear ring is connected with a driving motor.

[0004] In the above prior art, although the tundish powder for round billet continuous casting can be added through the hopper box, then through the screw feeder and the feeding pipe, when the inside of the hopper box is full of tundish powder, the fluidity of the tundish powder is poor, and the tundish powder inside the hopper box may be blocked, which will affect the entry of the tundish powder into the inside of the feeding pipe, and further affect the addition of the tundish powder; at the same time, the height of the feeding pipe is fixed, which is not convenient for adjusting according to equipment with different heights.

[0005] Therefore, a tundish powder addition device for round billet continuous casting is now proposed. Summary of the Utility Model

[0006] The purpose of the utility model is to solve the shortcomings in the prior art that when the inside of the hopper box is full of tundish powder, the fluidity of the tundish powder is poor, the tundish powder inside the hopper box may be blocked, which will affect the entry of the tundish powder into the inside of the feeding pipe, and further affect the addition of the tundish powder; at the same time, the height of the feeding pipe is fixed, which is not convenient for adjusting according to equipment with different heights, and a tundish powder addition device for round billet continuous casting is proposed.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] A tundish powder addition device for round billet continuous casting includes a base. Symmetrically and fixedly connected to the top of the base are U-shaped support rods. The support rods are connected to a hopper box through a lifting assembly. A stirring assembly is arranged inside the hopper box. The bottom of the hopper box is connected to a feeding pipe through a conveying pipe. An adding assembly is arranged inside the feeding pipe.

[0009] Preferably, the lifting assembly includes fixing plates symmetrically arranged, the fixing plates are fixedly connected to the inner wall of the support rod, the tops of the fixing plates are symmetrically and fixedly connected with electric push rods, the tops of the electric push rods are fixedly connected with a lifting plate, the lifting plate is fixedly connected to the outer wall of the hopper box, and the lifting plate is slidably connected to the inner wall of the support rod.

[0010] Preferably, fixing holes are evenly distributed on the outer walls of both sides of the support rod, threaded grooves are formed in the lifting plate, and fixing bolts passing through the fixing holes are threadedly connected inside the threaded grooves.

[0011] Preferably, the stirring assembly includes a first motor, a support plate is fixedly connected to the inner wall of the hopper box, a discharge plate with a triangular cross-section is fixedly connected to the top of the support plate, the bottom of the support plate is fixedly connected to the first motor, the output end of the first motor is connected with a rotating rod, and stirring rods are fixedly connected to the outer wall of the rotating rod in an evenly distributed manner.

[0012] Preferably, the adding assembly includes a second motor, an L-shaped connecting plate is fixedly connected to the outer wall of the feeding pipe, the bottom of the connecting plate is fixedly connected to the second motor, the output end of the second motor is provided with a feeding rod that rotates through the feeding pipe, and a spiral feeding plate is fixedly connected to the outer wall of the feeding rod located inside the feeding pipe.

[0013] Preferably, the top of the feeding pipe is fixedly connected to the bottom of the hopper box, the bottom of the feeding pipe is fixedly connected to the feeding pipe, and the inside of the feeding pipe is in communication with the inside of the feeding pipe.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. When the device is in use, by using the stirring assembly, the first motor will control the uniform rotation of multiple stirring rods through the rotating rod. The multiple rotating rods can stir the protective slag accumulated inside the hopper box and the feeding pipe, so as to avoid blockage of the protective slag, and enable the protective slag in the feeding pipe to normally enter the inside of the feeding pipe, thereby enabling normal feeding of the protective slag.

[0016] 2. When the device is in use, by using the lifting assembly, the electric push rod will control the upward or downward movement of the hopper box through the lifting plate, and the hopper box will control the upward or downward movement of the feeding pipe through the feeding pipe, so that the feeding pipe can adjust its height according to equipment at different heights and perform feeding, which is relatively convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a left three-dimensional structural schematic diagram of a tundish continuous casting flux adding device proposed by the present utility model;

[0018] Figure 2 The right three-dimensional structural schematic diagram of a tundish powder adding device for round billet continuous casting proposed by the present utility model;

[0019] Figure 3 The sectional three-dimensional structural schematic diagram of a tundish powder adding device for round billet continuous casting proposed by the present utility model;

[0020] Figure 4 The partial three-dimensional structural schematic diagram of a tundish powder adding device for round billet continuous casting proposed by the present utility model.

[0021] In the figure: 1 base, 2 support rods, 3 hopper box, 4 feeding pipe, 5 delivery pipe, 6 fixing plate, 7 electric push rod, 8 lifting plate, 9 fixing hole, 10 fixing bolt, 11 first motor, 12 support plate, 13 discharging plate, 14 rotating rod, 15 stirring rod, 16 second motor, 17 feeding rod, 18 feeding plate. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Refer to Figures 1-4 , a tundish powder adding device for round billet continuous casting, including a base 1, two U-shaped support rods 2 symmetrically and fixedly connected to the top of the base 1, the support rods 2 are connected to a hopper box 3 through a lifting assembly, a stirring assembly is arranged inside the hopper box 3, the bottom of the hopper box 3 is connected to a delivery pipe 5 through a feeding pipe 4, and an adding assembly is arranged inside the delivery pipe 5.

[0024] It should be noted that for the first motor 11, the second motor 16 and the electric push rod 7, the specific model specifications need to be selected according to the actual specifications of the device, etc. The specific selection calculation method adopts the existing technology in the field, so it will not be elaborated, and all of them can be powered by external equipment and controlled to be turned on and off;

[0025] Furthermore, the lifting assembly includes two symmetrically arranged fixing plates 6, the fixing plates 6 are fixedly connected to the inner wall of the support rods 2, two electric push rods 7 are symmetrically and fixedly connected to the top of the fixing plates 6, the top of the electric push rods 7 is fixedly connected to a lifting plate 8, the lifting plate 8 is fixedly connected to the outer wall of the hopper box 3, and the lifting plate 8 is slidably connected to the inner wall of the support rods 2;

[0026] It should be noted that the electric push rod 7 will control the upward or downward movement of the hopper box 3 through the lifting plate 8, and the hopper box 3 will control the upward or downward movement of the feeding pipe 5 through the feeding pipe 4, so that the feeding pipe 5 can adjust its height according to equipment at different heights and conduct feeding.

[0027] Furthermore, fixed holes 9 are evenly distributed on the outer walls of both sides of the support rod 2, threaded grooves are formed on the lifting plate 8, and fixing bolts 10 penetrating through the fixed holes 9 are threadedly connected inside the threaded grooves;

[0028] It should be noted that after the feeding pipe 5 and the hopper box 3 adjust their heights, the fixing bolts 10 are inserted into the fixed holes 9 and screwed into the threaded grooves, which can limit and fix the positions of the feeding pipe 5 and the hopper box 3 after adjustment.

[0029] Furthermore, the stirring assembly includes a first motor 11. A support plate 12 is fixedly connected to the inner wall of the hopper box 3. A discharge plate 13 with a triangular cross-section is fixedly connected to the top of the support plate 12. The bottom of the support plate 12 is fixedly connected to the first motor 11. The output end of the first motor 11 is connected to a rotating rod 14, and stirring rods 15 are fixedly connected to the outer wall of the rotating rod 14 in an evenly distributed manner;

[0030] It should be noted that the first motor 11 will control the uniform rotation of the plurality of stirring rods 15 through the rotating rod 14. The plurality of rotating rods 14 can stir the protective slag accumulated inside the hopper box 3 and the feeding pipe 4, which can prevent the protective slag from being blocked and allow the protective slag in the feeding pipe 4 to normally enter the inside of the feeding pipe 5.

[0031] Furthermore, the adding assembly includes a second motor 16. An L-shaped connecting plate is fixedly connected to the outer wall of the feeding pipe 4. The bottom of the connecting plate is fixedly connected to the second motor 16. The output end of the second motor 16 is provided with a feeding rod 17 that rotates through the feeding pipe 5, and a spiral feeding plate 18 is fixedly connected to the outer wall of the feeding rod 17 located inside the feeding pipe 5;

[0032] It should be noted that the second motor 16 will control the rotation of the feeding plate 18 through the feeding rod 17. The rotating feeding plate 18 can discharge the protective slag that enters the inside of the feeding pipe 5, so as to add the protective slag.

[0033] Furthermore, the top of the feeding pipe 4 is fixedly connected to the bottom of the hopper box 3, the bottom of the feeding pipe 4 is fixedly connected to the feeding pipe 5, and the inside of the feeding pipe 4 is in mutual communication with the inside of the feeding pipe 5.

[0034] The working principle of the present utility model:

[0035] First, the first motor 11 will control the uniform rotation of multiple stirring rods 15 through the rotating rod 14. The multiple rotating rods 14 can stir the protective slag accumulated inside the hopper box 3 and the feeding pipe 4, which can prevent the protective slag from being blocked and allow the protective slag in the feeding pipe 4 to normally enter the inside of the feeding pipe 5;

[0036] Then, the electric push rod 7 will control the upward or downward movement of the hopper box 3 through the lifting plate 8. The hopper box 3 will control the upward or downward movement of the feeding pipe 5 through the feeding pipe 4, so that the feeding pipe 5 can adjust its height according to equipment at different heights and feed materials, which is relatively convenient;

[0037] Finally, the second motor 16 will control the rotation of the feeding plate 18 through the feeding rod 17. The rotating feeding plate 18 can discharge the protective slag that enters the inside of the feeding pipe 5.

[0038] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A tundish powder addition device for round billet continuous casting, comprising a base (1), characterized in that, The top of the base (1) is symmetrically and fixedly connected with U-shaped support rods (2). The support rods (2) are connected with a hopper box (3) through a lifting assembly. A stirring assembly is arranged inside the hopper box (3). The bottom of the hopper box (3) is connected with a feeding pipe (5) through a feeding tube (4). An adding assembly is arranged inside the feeding pipe (5).

2. The tundish powder adding device for round bloom continuous casting according to claim 1, wherein The lifting assembly includes symmetrically arranged fixing plates (6). The fixing plates (6) are fixedly connected with the inner walls of the support rods (2). The tops of the fixing plates (6) are symmetrically and fixedly connected with electric push rods (7). The tops of the electric push rods (7) are fixedly connected with a lifting plate (8). The lifting plate (8) is fixedly connected with the outer wall of the hopper box (3). The lifting plate (8) is slidably connected with the inner wall of the support rod (2).

3. The tundish powder adding device for round bloom continuous casting according to claim 2, wherein, Uniformly distributed fixing holes (9) are formed in the outer walls on both sides of the support rod (2). A threaded groove is formed in the lifting plate (8). A fixing bolt (10) passing through the fixing hole (9) is threadedly connected inside the threaded groove.

4. The tundish powder adding device for round billet continuous casting according to claim 1, characterized in that, The stirring assembly includes a first motor (11). A support plate (12) is fixedly connected with the inner wall of the hopper box (3). A discharge plate (13) with a triangular cross-section is fixedly connected with the top of the support plate (12). The bottom of the support plate (12) is fixedly connected with the first motor (11). The output end of the first motor (11) is connected with a rotating rod (14). Uniformly distributed stirring rods (15) are fixedly connected with the outer wall of the rotating rod (14).

5. The tundish powder adding device for round bloom continuous casting according to claim 1, wherein, The adding assembly includes a second motor (16). An L-shaped connecting plate is fixedly connected with the outer wall of the feeding tube (4). The bottom of the connecting plate is fixedly connected with the second motor (16). A feeding rod (17) rotating through the feeding pipe (5) is arranged at the output end of the second motor (16). A spiral feeding plate (18) is fixedly connected with the outer wall of the feeding rod (17) located inside the feeding pipe (5).

6. The tundish powder adding device for round bloom continuous casting according to claim 1, characterized in that The top of the feeding tube (4) is fixedly connected with the bottom of the hopper box (3). The bottom of the feeding tube (4) is fixedly connected with the feeding pipe (5). The inside of the feeding tube (4) is in communication with the inside of the feeding pipe (5).

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