Automatic slag adding device for continuous casting slab

Abstract

The utility model relates to the related technical field of continuous casting equipment, and provides a continuous casting slab automatic slag adding device which comprises a conveying pipeline and a material box, the material box is arranged at the upper end of the conveying pipeline, a material twisting assembly is arranged in the material box, a conveying auger is arranged in the conveying pipeline, and a slag discharging assembly is arranged at the bottom of the conveying pipeline. The discharging pipes are connected to the bottom of the conveying pipeline, the lower ends of the discharging pipes are rotationally sleeved with a shell, outer gears are arranged on the periphery of the surface of the shell, and driving motors are fixedly connected to the outsides of the discharging pipes. By means of the technical scheme, the problems that an existing automatic slag adding device for continuous casting in the related technology does not have the material twisting function, due to the phenomenon that casting powder is bonded into blocks, the existing automatic slag adding device for continuous casting does not have the material distributing function, the discharging position is fixed, the existing automatic slag adding device for continuous casting cannot be suitable for various different continuous casting devices, and the production cost is high are solved. And the device can not be used on a plurality of continuous casting devices at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field related to continuous casting equipment, and in particular to an automatic slag adding device for continuous casting slabs. Background Art

[0002] The automatic slag feeding device for continuous casting is a device that adds mold slag during continuous casting. It usually has two types of feeding: vibration feeding and spiral feeding. Vibration feeding is a method of placing the mold slag in the barrel and then vibrating the mold slag down by the vibration motor. Spiral feeding is a method of driving the spiral blade driven by the motor to push the mold slag down from the feeding pipe.

[0003] However, the existing automatic slag feeding device for continuous casting has certain shortcomings when used and needs to be improved. First, the existing automatic slag feeding device for continuous casting does not have the material twisting function. Since the protective slag has the phenomenon of sticking and agglomerating, when unloading, the agglomerated protective slag directly falls into the continuous casting equipment, which will seriously affect the protection effect; secondly, the existing automatic slag feeding device for continuous casting does not have the material dividing function, and the unloading position is fixed. It cannot be applied to various continuous casting equipment, nor can it be used on multiple continuous casting equipment at the same time.

[0004] Therefore, improvements are made to address the above problems. Utility Model Content

[0005] The utility model proposes an automatic slag feeding device for continuous casting slabs, which solves the problems in the related art that the existing automatic slag feeding device for continuous casting does not have the material twisting function, the protective slag has the phenomenon of sticking and agglomerating, the existing automatic slag feeding device for continuous casting does not have the material dividing function, the material feeding position is fixed, and it cannot be applied to various different continuous casting equipment, nor can it be used on multiple continuous casting equipment at the same time.

[0006] The technical solution of the utility model is as follows:

[0007] A conveying pipeline and a material box, wherein the material box is arranged at the upper end of the conveying pipeline;

[0008] a twisting material assembly, the twisting material assembly being arranged inside the material box;

[0009] A conveying auger and a slag discharge assembly, wherein the conveying auger is arranged in the conveying pipeline, and the slag discharge assembly is arranged at the bottom of the conveying pipeline;

[0010] The slag discharge assembly includes a pair of discharge pipes, both of which are connected to the bottom of the conveying pipe. The lower ends of the discharge pipes are rotatably connected to a shell, an external gear is provided around the surface of the shell, and a driving motor is fixedly connected to the outside of the discharge pipe.

[0011] As a further technical solution, a driving gear is provided at the output end of the driving motor, and the driving gear is engaged with the external gear. A second motor is provided on one side of the housing, and a stirring frame is provided at the output end of the second motor.

[0012] As a further technical solution, a lower pipe is provided at the bottom of the shell, a telescopic cylinder is provided at the bottom of the shell, a blocking plate is provided at the output end of the telescopic cylinder, and the upper surface of the blocking plate is slidably connected to the lower end surface of the discharge pipe.

[0013] As a further technical solution, the twist material assembly includes a pair of twist material rollers, both of which are rotatably connected to the inside of the material box. A third motor is provided on the outer surface of the material box, and the third motor is connected to the twist material rollers.

[0014] As a further technical solution, a pair of twist rollers are each provided with a transmission gear at one end, the pair of transmission gears are meshed with each other, and a plurality of dispersion rods are provided on the surface of the twist rollers.

[0015] As a further technical solution, the feed pipe deviates from the feed pipe at a certain distance at the bottom of the shell.

[0016] As a further technical solution, the material box has a structure that is wide at the top and narrow at the bottom, and the transition point of the material box is an inclined structural surface.

[0017] As a further technical solution, the twist rollers are located at the bottom of the material box, and a pair of twist rollers rotate in opposite directions.

[0018] The working principle and beneficial effects of the utility model are as follows:

[0019] 1. The utility model is provided with a slag discharge assembly. Through the interaction of structures such as the discharge pipe, the outer shell, the external gear, the driving gear, the stirring frame and the lower pipe, the lower pipe responsible for discharge can continue to rotate with the lower pipe as the axis during the slag addition process, and the protective slag can be dispersed and dropped to the surroundings to avoid excessive concentration and the need for manual secondary processing. In addition, multiple groups of slag discharge assemblies can be provided, and slag can be added to multiple continuous casting equipment at the same time, which has good use effect and practicality.

[0020] 2. The utility model is provided with a twisting component. Through the interaction of structures such as the twisting roller, the third motor, the transmission gear and the dispersion rod, the protective slag can be continuously processed by two twisting rollers rotating synchronously in opposite directions, and the agglomerated parts of the protective slag can be twisted out to solve the agglomeration problem. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0022] Figure 1 This is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is the axonometric drawing of the utility model;

[0024] Figure 3 This is a cross-sectional view of the utility model;

[0025] Figure 4 For this utility model Figure 3 A partial enlarged view of part A;

[0026] In the figure: 1. Conveying pipeline; 2. Material box; 3. Conveying auger; 4. Slag discharge assembly; 4-1. Discharge pipe; 4-2. Outer shell; 4-3. External gear; 4-4. Driving motor; 4-5. Driving gear; 4-6. Second motor; 4-7. Stirring frame; 4-8. Lower pipeline; 4-9. Telescopic cylinder; 4-10. Blocking plate; 5. Twisting assembly; 5-1. Twisting roller; 5-2. Third motor; 5-3. Transmission gear; 5-4. Dispersion rod. DETAILED DESCRIPTION

[0027] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] like Figures 1 to 4 As shown, this embodiment proposes an automatic slag adding device for continuous casting slabs, comprising

[0029] A conveying pipeline 1 and a material box 2, wherein the material box 2 is arranged at the upper end of the conveying pipeline 1;

[0030] The twisting material assembly 5 is arranged inside the material box 2;

[0031] The conveying auger 3 and the slag lowering assembly 4 are arranged in the conveying pipeline 1, and the slag lowering assembly 4 is arranged at the bottom of the conveying pipeline 1;

[0032] The slag lowering assembly 4 includes a pair of discharge pipes 4-1, and the discharge pipes 4-1 are both connected to the bottom of the conveying pipe 1. The lower end of the discharge pipe 4-1 is rotatably connected to the outer shell 4-2, and an external gear 4-3 is provided around the surface of the outer shell 4-2. The outside of the discharge pipe 4-1 is fixedly connected to a drive motor 4-4, and a drive gear 4-5 is provided at the output end of the drive motor 4-4. The drive gear 4-5 is meshed with the external gear 4-3. A second motor 4-6 is provided on one side of the outer shell 4-2, and a stirring frame 4-7 is provided at the output end of the second motor 4-6. A lower pipe 4-8 is provided at the bottom of the outer shell 4-2, and a telescopic cylinder 4-9 is provided at the bottom of the outer shell 4-2. A blocking plate 4-10 is provided at the output end of the telescopic cylinder 4-9, and the upper surface of the blocking plate 4-10 is slidably fitted with the lower end surface of the discharge pipe 4-1.

[0033] In this embodiment, in order to achieve the effect of dispersible slag discharge, a slag discharge component 4 is designed. Two discharge pipes 4-1 and a shell 4-2 are provided at the bottom of the conveying pipe 1. The shell 4-2 is rotatably connected to the lower end of the discharge pipe 4-1, and an external gear 4-3 is provided on the top of the shell 4-2. The external gear 4-3 and the discharge pipe 4-1 have the same axis. A driving motor 4-4 and a driving gear 4-5 are provided on the outside of the lower pipe 4-8. The driving gear 4-5 is engaged with the external gear 4-3 to control the rotation of the shell 4-2. A lower pipe 4-8 is provided at the bottom of the shell 4-2 for adding slag. A telescopic cylinder 4-9 and a blocking plate 4-10 are provided at the bottom of the shell 4-2. The blocking plate 4-10 is used to close the lower pipe 4-8 to stop slag discharge.

[0034] Furthermore, the twist assembly 5 includes a pair of twist rollers 5-1, which are both rotatably connected to the inside of the material box 2. A third motor 5-2 is provided on the outer surface of the material box 2, and the third motor 5-2 is connected to the twist rollers 5-1. A transmission gear 5-3 is provided at one end of the pair of twist rollers 5-1, and the pair of transmission gears 5-3 are meshed with each other. A number of dispersion rods 5-4 are provided on the surface of the twist rollers 5-1.

[0035] In this embodiment, in order to achieve the effect of keeping the twist material from clumping, a twist material assembly 5 is designed. Two twist material rollers 5-1 are rotatably connected inside the material box 2, and multiple dispersion rods 5-4 are arranged on the surface. One of the twist material rollers 5-1 is driven to rotate by a third motor 5-2. One end of the two twist material rollers 5-1 is provided with a transmission gear 5-3 and they are engaged with each other, so that the two twist material rollers 5-1 can rotate synchronously.

[0036] Furthermore, the feed pipe 4-1 deviates from the feed pipe 4-1 by a certain distance at the bottom of the shell 4-2.

[0037] In this embodiment, a certain distance deviation is used to allow the shell 4-2 to disperse the slag when it rotates, thereby avoiding excessive concentration.

[0038] Furthermore, the material box 2 has a structure that is wide at the top and narrow at the bottom, and the transition portion of the material box 2 is an inclined structural surface.

[0039] In this embodiment, the transition structure of being wider at the top and narrower at the bottom facilitates the concentration of the protective slag on the twisting roller 5 - 1 and facilitates the discharge of the material.

[0040] Furthermore, the twist rollers 5 - 1 are located at the bottom of the material box 2 , and a pair of twist rollers 5 - 1 rotate in opposite directions.

[0041] In this embodiment, the two twisting rollers 5 - 1 are rotated in opposite directions to squeeze each other and completely break up the lumps.

[0042] When slag needs to be added, the protective slag is put into the material box 2, the third motor 5-2 is started to control the twisting roller 5-1 to continuously rotate the twisting material, the conveying auger 3 is started to push the protective slag forward, and the protective slag enters the outer shell 4-2 through the discharge pipe 4-1, and is discharged through the lower pipe 4-8. In the process, the first motor and the second motor 4-6 are started to make the outer shell 4-2 rotate continuously, and the stirring frame 4-7 stirs the protective slag to avoid accumulation. After the slag is added, the telescopic cylinder 4-9 is started to quickly close the lower pipe 4-8 through the blocking plate 4-10.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An automatic slag adding device for continuous casting slab, characterized in that: include A conveying pipeline (1) and a material box (2), wherein the material box (2) is arranged at the upper end of the conveying pipeline (1); A twisting material assembly (5), the twisting material assembly (5) being arranged inside the material box (2); A conveying auger (3) and a slag lowering assembly (4), wherein the conveying auger (3) is arranged in the conveying pipeline (1), and the slag lowering assembly (4) is arranged at the bottom of the conveying pipeline (1); The slag discharge assembly (4) comprises a pair of discharge pipes (4-1), both of which are connected to the bottom of the conveying pipe (1); the lower ends of the discharge pipes (4-1) are rotatably connected to a housing (4-2); an external gear (4-3) is provided around the surface of the housing (4-2); and the outside of the discharge pipes (4-1) is fixedly connected to a drive motor (4-4).

2. The automatic slag adding device for continuous casting slab according to claim 1, characterized in that: The output end of the driving motor (4-4) is provided with a driving gear (4-5), and the driving gear (4-5) is meshed with the external gear (4-3). A second motor (4-6) is provided on one side of the housing (4-2), and a stirring frame (4-7) is provided at the output end of the second motor (4-6).

3. The automatic slag adding device for continuous casting slab according to claim 2, characterized in that: A lower pipe (4-8) is provided at the bottom of the shell (4-2), a telescopic cylinder (4-9) is provided at the bottom of the shell (4-2), a blocking plate (4-10) is provided at the output end of the telescopic cylinder (4-9), and the upper surface of the blocking plate (4-10) is slidably connected to the lower end surface of the discharge pipe (4-1).

4. The automatic slag adding device for continuous casting slab according to claim 1, characterized in that: The twisting assembly (5) comprises a pair of twisting rollers (5-1), both of which are rotatably connected to the interior of the material box (2); a third motor (5-2) is provided on the outer surface of the material box (2), and the third motor (5-2) is connected to the twisting rollers (5-1).

5. The automatic slag adding device for continuous casting slab according to claim 4, characterized in that: A pair of twist rollers (5-1) are each provided with a transmission gear (5-3) at one end, the pair of transmission gears (5-3) are meshed with each other, and a plurality of dispersion rods (5-4) are provided on the surface of the twist roller (5-1).

6. The automatic slag adding device for continuous casting slab according to claim 1, characterized in that: The feed pipe (4-1) is separated from the feed pipe (4-1) by a certain distance at the bottom of the shell (4-2).

7. The automatic slag adding device for continuous casting slab according to claim 1, characterized in that: The material box (2) has a structure that is wide at the top and narrow at the bottom, and the transition portion of the material box (2) is an inclined structural surface.

8. The automatic slag adding device for continuous casting slab according to claim 4, characterized in that: The twisting rollers (5-1) are located at the bottom of the material box (2), and a pair of twisting rollers (5-1) rotate in opposite directions.

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