External refining forming device for ultrahigh magnesium spheroidizing core-spun yarn

Abstract

The utility model relates to the technical field of external refining forming, in particular to an ultrahigh magnesium spheroidizing cored wire external refining forming device, which is characterized in that the inner wall of a ladle refining furnace body is rotatably connected with an internal barrel, the inner wall of the internal barrel is fixedly provided with an inner ring gear, and the upper end of an external connecting plate is fixedly connected with a middle connecting block; the outer wall of the stirring rod is fixedly connected with a stirring paddle and a driving gear, one end of the driving gear is in meshed connection with a driven gear, and when the stirring rod rotates, the driving gear is driven to synchronously rotate, so that the driven gear drives the inner barrel to rotate through the inner ring gear, and the rotating direction of the inner barrel is opposite to that of the stirring rod; at the moment, the stirring range of the stirring paddle is increased along with rotation of the inner barrel, the stirring efficiency is high, and the problem that the stirring efficiency is low due to the fact that a stirring structure of an existing cored wire external refining forming device is fixed to a certain position and the stirring range is limited when a cored wire enters molten steel for stirring is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of ladle refining forming, in particular to an external ladle refining forming device for ultra-high magnesium nodulizing cored wire. Background Technique

[0002] Ultra-high magnesium nodulizer plays an important role in the metallurgical industry. Especially in the production process of ductile iron, in order to improve the spheroidization quality of molten iron, the nodulizer is often made into cored wire and added thereto. Therefore, an external ladle refining forming device for cored wire is required. The external ladle refining forming device for cored wire is an important equipment used in the steelmaking and casting industries. It is mainly used to add various additives (such as deoxidizer, desulfurizer, modifier, alloy, etc.) to molten steel in the form of cored wire to achieve the purpose of external ladle refining. However, the stirring structure of the existing external ladle refining forming device for cored wire will be fixed at a certain place. When the cored wire enters the molten steel for stirring, its stirring range is limited, resulting in low stirring efficiency.

[0003] In view of the above problems, the utility model provides an external ladle refining forming device for ultra-high magnesium nodulizing cored wire. Content of the Utility Model

[0004] The purpose of the utility model is to provide an external ladle refining forming device for ultra-high magnesium nodulizing cored wire. An inner cylinder is rotatably connected to the inner wall of the ladle refining furnace body. An inner ring gear is fixedly installed on the inner wall of the inner cylinder. A middle connecting block is fixedly connected to the upper end of the external connecting plate. Stirring paddles and a driving gear are fixedly connected to the outer wall of the stirring rod. One end of the driving gear is meshed with a driven gear, thus solving the problems in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An external ladle refining forming device for ultra-high magnesium nodulizing cored wire, including a ladle refining furnace body and a stirring assembly arranged in the cavity of the ladle refining furnace body. An inner cylinder is rotatably connected to the inner wall of the ladle refining furnace body. An inner ring gear is fixedly installed on the inner wall of the inner cylinder. The stirring assembly includes an external connecting plate fixedly installed on the outer wall of the ladle refining furnace body. A middle connecting block is fixedly connected to the upper end of the external connecting plate. A motor is fixedly installed on the inner wall of the middle connecting block away from the connecting plate end, and a main rod body is rotatably connected to the inner wall of the middle connecting block away from the connecting plate end. The output end of the motor is fixedly connected to a stirring rod. Stirring paddles and a driving gear are fixedly connected to the outer wall of the stirring rod. One end of the driving gear is meshed with a driven gear. The upper end of the driven gear is fixedly connected to the main rod body.

[0006] Furthermore, the inner ring gear is meshed with the driving gear. When the motor drives the stirring rod to drive the driving gear to rotate, the inner ring gear can drive the inner cylinder to rotate through the cooperation of the driven gear.

[0007] Further, one end of the stirring rod corresponds to a position offset from the center of the bottom of the inner cylinder.

[0008] Further, the stirring paddle is a component made of beryllium bronze, and beryllium bronze has elasticity and can be deformed.

[0009] Further, a connecting rod assembly is fixedly connected to the end of the stirring paddle far from the stirring rod, and the end of the connecting rod assembly far from the stirring paddle is fixedly connected to the stirring rod.

[0010] Further, the connecting rod assembly includes an outer rod main body fixedly connected to one end of the stirring paddle and an inner rod main body fixedly connected to one end of the stirring rod.

[0011] Further, a movable block is fixedly connected to the end of the inner rod main body far from the stirring rod, the movable block is slidably connected to the inner wall of the outer rod main body, and an elastic element is fixedly connected to the end of the movable block far from the inner rod main body.

[0012] Further, when the stirring paddle fits against the inner wall of the inner cylinder, the elastic element is in a compressed state.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] An external refining forming device for ultra-high magnesium cored wire furnace proposed by the present utility model, when the stirring rod rotates, it will drive the driving gear to rotate synchronously, so that the driven gear drives the inner cylinder to rotate through the inner ring gear, and the rotation direction of the inner cylinder is opposite to that of the stirring rod. At this time, the stirring range of the stirring paddle will increase with the rotation of the inner cylinder, and the stirring efficiency is high, solving the problem that the stirring structure of the existing external refining forming device for cored wire is fixed at a certain place, and when the cored wire enters the molten steel for stirring, its stirring range is limited, resulting in low stirring efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall three-dimensional structure schematic diagram of the present utility model;

[0016] Figure 2 is the three-dimensional structure schematic diagram of the stirring assembly of the present utility model;

[0017] Figure 3 is the Figure 3 magnified structure schematic diagram of part A of the present utility model;

[0018] Figure 4 is the structure schematic diagram of the connecting rod assembly of the present utility model.

[0019] In the figure: 1. Ladle refining furnace body; 2. Stirring assembly; 3. Inner loading cylinder; 4. Inner ring gear; 21. Outer connecting plate; 22. Middle connecting block; 23. Stirring rod; 24. Stirring paddle; 25. Driving gear; 26. Connecting rod assembly; 261. Outer rod main body; 262. Inner rod main body; 263. Movable block; 264. Elastic element; 27. Driven gear. Detailed implementation manners

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-4 , in order to solve the problem that the stirring structure of the existing in-ladle wire external refining and forming device is fixed at a certain place, and when the in-ladle wire enters the molten steel for stirring, its stirring range is limited, resulting in low stirring efficiency, the following preferred technical solutions are provided:

[0022] An external refining and forming device for ultra-high magnesium nodular in-ladle wire includes a ladle refining furnace body 1 and a stirring assembly 2 arranged in the cavity of the ladle refining furnace body 1. The inner wall of the ladle refining furnace body 1 is rotatably connected with an inner loading cylinder 3, and an inner ring gear 4 is fixedly installed on the inner wall of the inner loading cylinder 3. The stirring assembly 2 includes an outer connecting plate 21 fixedly installed on the outer wall of the ladle refining furnace body 1. The upper end of the outer connecting plate 21 is fixedly connected with a middle connecting block 22. The inner wall of the middle connecting block 22 at the end far from the connecting plate 21 is fixedly installed with a motor, and the inner wall of the middle connecting block 22 at the end far from the connecting plate 21 is rotatably connected with a rotating rod main body. The output end of the motor is fixedly connected with a stirring rod 23. Stirring paddles 24 and a driving gear 25 are fixedly connected to the outer wall of the stirring rod 23. One end of the driving gear 25 is meshed with a driven gear 27. The upper end of the driven gear 27 is fixedly connected with the rotating rod main body. The inner ring gear 4 is meshed with the driving gear 25. When the motor drives the stirring rod 23 to drive the driving gear 25 to rotate, the inner ring gear 4 can drive the inner loading cylinder 3 to rotate through the cooperation of the driven gear 27. One end of the stirring rod 23 corresponds to a position offset from the center of the bottom of the inner loading cylinder 3.

[0023] The stirring paddle 24 is a component made of beryllium bronze. Beryllium bronze has elasticity and can be deformed. One end of the stirring paddle 24 away from the stirring rod 23 is fixedly connected with a connecting rod assembly 26. One end of the connecting rod assembly 26 away from the stirring paddle 24 is fixedly connected with the stirring rod 23. The connecting rod assembly 26 includes an outer rod main body 261 fixedly connected with the stirring paddle 24 at one end, and an inner rod main body 262 fixedly connected with the stirring rod 23 at one end. One end of the inner rod main body 262 away from the stirring rod 23 is fixedly connected with a movable block 263. The movable block 263 is slidably connected with the inner wall of the outer rod main body 261. One end of the movable block 263 away from the inner rod main body 262 is fixedly connected with an elastic element 264. When the stirring paddle 24 fits against the inner wall of the inner cylinder 3, the elastic element 264 is in a compressed state.

[0024] Specifically, after the cored wire is conveyed into the cylinder 3 and enters the molten steel, the motor can be driven. The motor drives the stirring rod 23 to rotate in the inner cylinder 3, so that the stirring paddle 24 stirs the molten steel. When the stirring rod 23 rotates, it will drive the driving gear 25 to rotate synchronously, so that the driven gear 27 drives the inner cylinder 3 to rotate through the inner ring gear 4, and the rotation direction of the inner cylinder 3 is opposite to that of the stirring rod 23. At this time, the stirring range of the stirring paddle 24 will increase with the rotation of the inner cylinder 3, and the stirring efficiency is high. It solves the problem that the stirring structure of the existing cored wire refining and forming device outside the furnace is fixed at a certain place, and when the cored wire enters the molten steel for stirring, its stirring range is limited, resulting in low stirring efficiency.

[0025] When the stirring paddle 24 rotates, whenever the stirring paddle 24 rotates to fit against the inner wall of the inner cylinder 3, one end of the stirring paddle 24 deforms, so that the elastic element 264 will be compressed by the movable block 263. Once the stirring paddle 24 rotates to the other end, through the elasticity of the elastic element 264, the deformed end of the stirring paddle 24 instantly rebounds. Repeating this way, the stirring paddle 24 will have the effect of longitudinal stirring, thus further improving the stirring efficiency.

[0026] In summary: After the cored wire is conveyed into the cylinder 3 and enters the molten steel, the motor can be externally connected to the stirring rod 23. The motor drives the stirring rod 23 to rotate in the inner cylinder 3, so that the stirring paddle 24 stirs the molten steel. When the stirring rod 23 rotates, it will drive the driving gear 25 to rotate synchronously, so that the driven gear 27 drives the inner cylinder 3 to rotate through the inner ring gear 4, and the rotation direction of the inner cylinder 3 is opposite to that of the stirring rod 23. At this time, the stirring range of the stirring paddle 24 will increase with the rotation of the inner cylinder 3. When the stirring paddle 24 rotates, whenever the stirring paddle 24 rotates to fit against the inner wall of the inner cylinder 3, one end of the stirring paddle 24 deforms, so that the elastic element 264 will be compressed by the movable block 263. Once the stirring paddle 24 rotates to the other end, through the elasticity of the elastic element 264, the deformed end of the stirring paddle 24 instantly rebounds. Repeating this way, the stirring paddle 24 will have the effect of longitudinal stirring.

[0027] It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ultra-high magnesium spheroidized cored wire refining and forming device outside the furnace, comprising a ladle refining furnace body (1), and a stirring assembly (2) arranged in the cavity of the ladle refining furnace body (1), characterized in that: The inner wall of the ladle refining furnace body (1) is rotatably connected to an inner cylinder (3), and an inner ring gear (4) is fixedly mounted on the inner wall of the inner cylinder (3). The stirring assembly (2) comprises an external connecting plate (21) fixedly mounted on the outer wall of the ladle refining furnace body (1), and a middle connecting block (22) is fixedly mounted on the upper end of the external connecting plate (21), and a motor is fixedly mounted on the inner wall of the middle connecting block (22) at one end away from the connecting plate (21), and a rotating rod body is rotatably connected to the inner wall of the middle connecting block (22) at one end away from the connecting plate (21), and a stirring rod (23) is fixedly connected to the output end of the motor, and a stirring paddle (24) and a driving gear (25) are fixedly connected to the outer wall of the stirring rod (23), and one end of the driving gear (25) is meshingly connected to a driven gear (27), and the upper end of the driven gear (27) is fixedly connected to the rotating rod body.

2. The ultra-high magnesium spheroidized cored wire refining and forming device outside the furnace according to claim 1, characterized in that: The inner ring gear (4) is meshedly connected with the driven gear (27). When the stirring rod (23) is driven by the motor to drive the driving gear (25) to rotate, the inner ring gear (4) can drive the inner cylinder (3) to rotate through the cooperation of the driven gear (27).

3. The ultra-high magnesium spheroidized cored wire refining and forming device outside the furnace according to claim 1, characterized in that: One end of the stirring rod (23) corresponds to a position closer to the center of the bottom of the inner cylinder (3).

4. The ultra-high magnesium spheroidized cored wire refining and forming device outside the furnace according to claim 1, characterized in that: The stirring paddle (24) is a component made of beryllium bronze, which is elastic and deformable.

5. The ultra-high magnesium spheroidized cored wire refining and forming device outside the furnace according to claim 4, characterized in that: One end of the stirring paddle (24) away from the stirring rod (23) is fixedly connected to a connecting rod assembly (26), and one end of the connecting rod assembly (26) away from the stirring paddle (24) is fixedly connected to the stirring rod (23).

6. The ultra-high magnesium spheroidized cored wire refining and forming device outside the furnace according to claim 5, characterized in that: The connecting rod assembly (26) comprises an outer rod body (261) having one end fixedly connected to the stirring paddle (24), and an inner rod body (262) having one end fixedly connected to the stirring rod (23).

7. The ultra-high magnesium spheroidized cored wire refining and forming device outside the furnace according to claim 6, characterized in that: One end of the inner rod body (262) away from the stirring rod (23) is fixedly connected to a movable block (263), the movable block (263) is slidably connected to the inner wall of the outer rod body (261), and one end of the movable block (263) away from the inner rod body (262) is fixedly connected to an elastic element (264).

8. The ultra-high magnesium spheroidized cored wire refining and forming device outside the furnace according to claim 7, characterized in that: When the stirring paddle (24) is in contact with the inner wall of the inner tube (3), the elastic element (264) is in a compressed state.

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