CN114905008B - Inoculant uniform throwing device for metal smelting - Google Patents

Abstract

The present invention relates to the technical field of feeding equipment, and in particular to a device for uniformly feeding inoculant for metal smelting, which includes a guide tube with a feeding pipe connected to the outer wall of the guide tube and above the guide tube. A storage cylinder is provided, and a plurality of guide tubes are connected at the bottom of the storage cylinder. The output end of the guide tube is inserted into the guide tube. A rotating shaft is vertically provided in the guide tube, and a spiral is installed on the outer wall of the rotating shaft. plate, the top of the rotating shaft extends into the storage barrel, and the top of the rotating shaft is provided with an opening and closing structure; this equipment can realize the purpose of synchronously adding in the inoculant and the molten metal, effectively preventing the premature input of the inoculant and causing The inoculation effect is reduced, the uniformity of the mixing of the inoculant and the molten metal is improved, and the quality of the casting is improved. At the same time, it is convenient to automatically control the input amount of the inoculant according to the flow rate of the molten metal, thereby improving the practicality.

Description

A device for uniformly dosing inoculant for metal smelting

Technical field

The present invention relates to the technical field of feeding equipment, and in particular to a device for uniformly feeding inoculant for metal smelting.

Background technique

As we all know, inoculant is an additive often used in the field of metal smelting and casting. It can effectively improve the mechanical properties of castings, reduce internal force and wall thickness sensitivity, thereby improving the performance of castings. Generally, when casting castings, the inoculant is added first In the casting model, the molten metal can then be poured into the model. However, in this method, the premature input of the inoculant can easily lead to a decrease in the effect of the inoculant, causing inoculation decline. At the same time, the inoculant and the molten metal cannot be evenly mixed, affecting the quality of the casting.

Contents of the invention

In order to solve the above technical problems, the present invention provides a device for uniformly dosing inoculant for metal smelting.

In order to achieve the above objects, the technical solutions adopted by the present invention are:

The equipment for evenly dispensing inoculant for metal smelting includes a guide barrel with a feed pipe connected to the outer wall of the guide barrel, a storage barrel provided above the guide barrel, and a plurality of barrels connected at the bottom of the storage barrel. A guide tube, the output end of the guide tube is inserted into the guide tube, a rotating shaft is vertically arranged in the guide tube, a spiral plate is installed on the outer wall of the rotating shaft, and the top of the rotating shaft extends into the material storage tube. And the top of the rotating shaft is provided with an opening and closing structure, and the opening and closing structure is used to control the opening and closing of the storage barrel;

Wherein, the bottom of the storage barrel is configured as a concave cone, and the rotating shaft slides in the guide barrel and the storage barrel.

Further, the opening and closing structure includes a rotating ring rotatably installed on the inner wall of the storage barrel. The top of the rotating ring is set as a tapered surface, and a plurality of sealing plates are rotatably installed at the bottom of the rotating ring. The plurality of sealing plates are spliced together to form In a complete circle, a first push-pull rod is rotatably installed at the bottom of the sealing plate, a second push-pull rod is rotatably installed at the outer end of the first push-pull rod, and a third push-pull rod is rotatably installed at the outer end of the second push-pull rod. The outer wall of the third push-pull rod is in contact with the inner wall of the storage barrel, and the top of the third push-pull rod is rotatably mounted on the bottom of the rotating ring;

A top plate is installed at the bottom of the second push-pull rod. The top of the top plate is in contact with the bottom of the first push-pull rod. A fourth push-pull rod is rotatably installed at the bottom of the top plate. The fourth push-pull rod is rotatably installed on the outer wall of the rotating shaft. ;

Wherein, the first push-pull rod and the second push-pull rod are close to a collinear state, the angle between the first push-pull rod and the second push-pull rod is downward, an elastic structure is provided on the rotating shaft, and the The elastic structure is used to generate upward elastic thrust on the rotating shaft.

Further, the elastic structure includes a moving sleeve that is mounted on the outer wall of the rotating shaft. The moving sleeve is located between the guide barrel and the storage barrel. The upper and lower sides of the moving sleeve are provided with baffle rings. The baffle rings are in contact with each other. fixed on the rotating shaft;

A plurality of first ejector pins are installed on the circumferential outer wall of the moving sleeve, and a plurality of second ejector pins are rotatably installed at the bottom of the moving sleeve. The second ejector pins are inclined, and the first ejector pins and the second ejector pins are A leaf spring is installed between them, a rotating rod is mounted on the outer end of the second ejector rod, and the bottom of the rotating rod is rotated and installed on the top of the guide tube. The outer wall of the rotating rod is in contact with the outer end of the first ejector rod. A plurality of arc-shaped guide rails are installed at the bottom of the barrel. The arc-shaped guide rails are along the radial direction of the rotating shaft. The outer end of the rotating rod is slidably mounted on the arc-shaped guide rails.

Further, a plurality of stirring rods are vertically arranged in the guide tube, the plurality of stirring rods are distributed in an annular shape, and the stirring rods pass through the spiral plate and are connected by rotation, and a plurality of stirring rods are installed on the outer wall of the stirring rod.

Further, an internal gear ring is installed on the top of the inner wall of the guide tube, and a plurality of gears are meshed in the internal gear ring. A polygonal sliding rod is installed at the bottom of the gear, and the bottom of the polygonal sliding rod is inserted into the stirring rod. Moreover, the polygonal sliding rod is slidingly connected to the agitating rod. A slider is mounted on the top of the gear for rotation. An annular guide rail is installed on the bottom of the inner wall of the guide barrel. The slider is slidably mounted on the annular guide rail.

Further, it also includes a buckle groove plate, the buckle groove plate is buckled on the bottom opening of the guide barrel, the bottom of the rotating shaft is connected with the buckle groove plate, and a plurality of buckle groove plates are connected and installed on the outer wall of the buckle groove plate. Guide chute plate.

Further, a support ring is rotatably installed on the outer wall of the guide tube, a sliding sleeve is installed on the outer wall of the support ring, a sliding column is slidably provided in the sliding sleeve, and the bottom of the sliding column is installed on the buckle groove plate, so A limit plate is installed on the top of the sliding column.

Further, it also includes a partition, which is rotatably mounted on the inner wall of the guide tube, and the stirring rod passes through the partition and is slidably connected.

Compared with the prior art, the beneficial effects of the present invention are: through the rotating shaft, spiral plate and opening and closing structure, the purpose of synchronous input and mixing of the inoculant and the molten metal can be achieved, effectively avoiding premature input of the inoculant and causing a decrease in the inoculation effect; Improve the mixing uniformity of inoculant and molten metal, improve the quality of castings and improve practicability.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only These are some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of the present invention;

Figure 2 is a schematic diagram of the enlarged top view of the storage cylinder in Figure 1;

Figure 3 is a schematic cross-sectional structural diagram of the guide tube in Figure 1;

Figure 4 is a schematic diagram of the partially enlarged structure of position A in Figure 3;

Figure 5 is a schematic diagram of the partially enlarged structure at B in Figure 3;

Markings in the drawings: 1. Material guide tube; 2. Feed pipe; 3. Storage cylinder; 4. Material guide tube; 5. Rotating shaft; 6. Spiral plate; 7. Rotating ring; 8. Sealing plate; 9. The first push-pull rod; 10. The second push-pull rod; 11. The third push-pull rod; 12. Top plate; 13. The fourth push-pull rod; 14. Moving sleeve; 15. Stop ring; 16. The first push rod; 17. The first Two ejector rods; 18. Leaf spring; 19. Rotating rod; 20. Arc guide rail; 21. Stirring rod; 22. Stirring rod; 23. Internal gear ring; 24. Gear; 25. Polygonal sliding rod; 26. Slider ; 27. Ring guide rail; 28. Buckling groove plate; 29. Guide groove plate; 30. Support ring; 31. Sliding sleeve; 32. Slide column; 33. Limiting plate; 34. Partition plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments.

In the description of the present invention, it should be noted that the terms “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer”, etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description. It does not indicate or imply that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limitations of the invention.

In the description of the present invention, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, or it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis. This example is written in a progressive manner.

As shown in Figures 1 to 5, a device for uniformly dosing inoculant for metal smelting of the present invention includes a guide tube 1, and a feed pipe 2 is connected to the outer wall of the guide tube 1. A storage cylinder 3 is provided above the material cylinder 1. A plurality of material guide tubes 4 are connected at the bottom of the material storage cylinder 3. The output ends of the material guide tubes 4 are inserted into the material guide tube 1. The material guide tube 1 is arranged vertically. There is a rotating shaft 5. A spiral plate 6 is installed on the outer wall of the rotating shaft 5. The top of the rotating shaft 5 extends into the storage barrel 3, and an opening and closing structure is provided on the top of the rotating shaft 5. The opening and closing structure is used to store the material. Barrel 3 is controlled on and off;

Wherein, the bottom of the storage barrel 3 is configured to have a concave conical shape, and the rotating shaft 5 slides in the guide barrel 1 and the storage barrel 3 .

In this embodiment, the storage cylinder 3 stores inoculant, and the molten metal is poured into the guide cylinder 1 through the feed pipe 2. The molten metal flows downward in the guide cylinder 1 and exerts force on the spiral plate 6. The spiral The plate 6 moves downward and rotates. The spiral plate 6 drives the rotating shaft 5 to rotate and move downward. The rotating shaft 5 pulls the opening and closing structure to open. At this time, the inoculant in the storage barrel 3 flows downward and flows into the guide tube 4. In the molten metal in the barrel 1, since the spiral plate 6 is in a rotating state, the spiral plate 6 rotates and agitates the molten metal and the inoculant, so that the inoculant and the molten metal are mixed. At the same time, when the flow rate of the molten metal in the guide barrel 1 When it is larger, the force of the molten metal on the spiral plate 6 increases, and the opening degree of the opening and closing structure pulled by the rotating shaft 5 increases, thereby increasing the input amount of inoculant and realizing automatic control of the input amount of inoculant. This equipment can realize inoculation. The purpose of simultaneous input and mixing of inoculant and molten metal is to effectively avoid premature input of inoculant and the decline of its inoculation effect, improve the uniformity of mixing of inoculant and molten metal, improve the quality of castings, and facilitate automatic control of the inoculant according to the flow rate of molten metal. investment to improve practicality.

As a preferred embodiment of the above embodiment, the opening and closing structure includes a rotating ring 7 that is rotatably mounted on the inner wall of the storage barrel 3. The top of the rotating ring 7 is configured as a cone surface, and a plurality of seals are rotatably installed at the bottom of the rotating ring 7. plate 8, a plurality of sealing plates 8 are spliced into a complete circle, a first push-pull rod 9 is rotatably installed at the bottom of the sealing plate 8, and a second push-pull rod 10 is rotatably installed at the outer end of the first push-pull rod 9. A third push-pull rod 11 is rotatably mounted on the outer end of the push-pull rod 10. The outer wall of the third push-pull rod 11 is in contact with the inner wall of the storage barrel 3. The top of the third push-pull rod 11 is rotatably mounted on the bottom of the rotating ring 7;

A top plate 12 is installed at the bottom of the second push-pull rod 10. The top of the top plate 12 is in contact with the bottom of the first push-pull rod 9. A fourth push-pull rod 13 is rotatably installed at the bottom of the top plate 12. The fourth push-pull rod 13 Rotation is installed on the outer wall of the rotating shaft 5;

Wherein, the first push-pull rod 9 and the second push-pull rod 10 are close to a collinear state, the angle between the first push-pull rod 9 and the second push-pull rod 10 is downward, and the rotating shaft 5 is provided with An elastic structure is used to generate upward elastic thrust on the rotating shaft 5 .

In this embodiment, when the rotating shaft 5 moves downward, the rotating shaft 5 pulls the top plate 12 to move through the fourth push-pull rod 13, and the top plate 12 pulls the second push-pull rod 10, the third push-pull rod 11 and the first push-pull rod 9 to move. The push-pull rod 9 pulls the sealing plate 8 to rotate. At this time, the plurality of sealing plates 8 are separated from each other. The inoculant on the sealing plate 8 can fall through the gap between two adjacent sealing plates 8. The plurality of sealing plates 8 are in an open state. In this way, the automatic input of the inoculant is realized. When the flow rate of the molten metal increases, the downward movement distance of the rotating shaft 5 increases, and the gap between the two adjacent sealing plates 8 increases, thereby automatically increasing the input amount of the inoculant and realizing Automatic control of inoculant input.

In this embodiment, since the first push-pull rod 9 and the second push-pull rod 10 are close to a collinear state, and the angle between the first push-pull rod 9 and the second push-pull rod 10 is downward, when the sealing plate 8 is in a closed state, the sealing plate 8 is closed. The downward pressure of the inoculant on the plate 8 on the sealing plate 8 causes the connection point of the first push-pull rod 9 and the second push-pull rod 10 to move upward. At this time, the outer wall of the third push-pull rod 11 is in contact with the inner wall of the storage barrel 3, and The top plate 12 is in contact with the first push-pull rod 9, thereby realizing the first push-pull rod 9, the second push-pull rod 10, the third push-pull rod 11 and the top plate 12 to lock the sealing plate 8. At this time, the first push-pull rod 9 and the third push-pull rod 9 The second push-pull rod 10, the third push-pull rod 11 and the top plate 12 play a role in lifting the inoculant on the sealing plate 8, effectively reducing the load of the inoculant on the fourth push-pull rod 13 and the rotating shaft 5.

In this embodiment, when the rotating shaft 5 rotates, the rotating shaft 5 drives the rotating ring 7, the sealing plate 8, the first push-pull rod 9, the second push-pull rod 10, the third push-pull rod 11, the top plate 12 and the fourth push-pull rod 13 to synchronize Rotation, the rotating sealing plate 8 can facilitate the uniform downward scattering of the inoculant, improve the uniformity of the inoculant input, avoid clogging of the inoculant, and facilitate the rapid falling of the inoculant.

As a preferred embodiment of the above embodiment, the elastic structure includes a moving sleeve 14 that is rotatably mounted on the outer wall of the rotating shaft 5. The moving sleeve 14 is located between the guide barrel 1 and the storage barrel 3. The moving sleeve 14 has two upper and lower sides. A baffle ring 15 is provided in contact with both sides, and the baffle ring 15 is fixed on the rotating shaft 5;

A plurality of first ejector pins 16 are installed on the circumferential outer wall of the moving sleeve 14. A plurality of second ejector pins 17 are rotatably installed at the bottom of the moving sleeve 14. The second ejector pins 17 are inclined, and the first ejector pins 17 are tilted. A leaf spring 18 is installed between 16 and the second push rod 17. A rotating rod 19 is installed at the outer end of the second push rod 17. The bottom of the rotating rod 19 is installed at the top of the guide tube 1 for rotation. The outer wall of the rotating rod 19 In contact with the outer end of the first push rod 16, a plurality of arc-shaped guide rails 20 are installed at the bottom of the storage barrel 3. The arc-shaped guide rails 20 are along the radial direction of the rotating shaft 5. The outer end of the rotating rod 19 Slidingly installed on the arc guide rail 20.

In this embodiment, when the rotating shaft 5 rotates, the rotating shaft 5 drives the blocking ring 15 to rotate, and the moving sleeve 14 is in a stationary state. When the rotating shaft 5 moves downward, the rotating shaft 5 drives the moving sleeve 14 to move synchronously through the blocking ring 15, and the moving sleeve 14 drives the third The first ejector rod 16, the second ejector rod 17 and the leaf spring 18 move synchronously, the second ejector rod 17 pushes the rotating rod 19 to tilt, the outer end of the rotating rod 19 slides on the arc-shaped guide rail 20, and the second ejector rod 17 tilts, The second push rod 17 exerts force on the leaf spring 18, and the leaf spring 18 undergoes elastic deformation, so that the leaf spring 18 exerts upward elastic thrust on the rotating shaft 5. When the equipment is idle, the rotating rod 19 contacts the outer end of the first push rod 16. , at this time, the moving sleeve 14 stops moving upward. The positions of the moving sleeve 14 and the rotating shaft 5 can be limited by the first push rod 16 and the rotating rod 19. By setting the rotating rod 19 and the arc guide rail 20, the guide barrel can be 1 and storage cylinder 3 for support.

As a preferred embodiment of the above embodiment, a plurality of stirring rods 21 are vertically arranged in the guide tube 1. The plurality of stirring rods 21 are distributed in an annular shape, and the stirring rods 21 pass through the spiral plate 6 and are rotationally connected. A plurality of stirring rods 22 are installed on the outer wall of 21.

In this embodiment, when the spiral plate 6 rotates, the spiral plate 6 drives the stirring rod 21 and the stirring rod 22 to rotate synchronously, and at the same time, the stirring rod 21 rotates. The stirring rod 21 drives the stirring rod 22 to rotate, so that the stirring rod 21 and the stirring rod 22 rotate. The molten metal and the inoculant on the spiral plate 6 are stirred to improve the mixing uniformity of the inoculant and the molten metal.

As a preferred embodiment of the above embodiment, an internal gear ring 23 is installed on the top of the inner wall of the guide tube 1. A plurality of gears 24 are engaged with the internal gear ring 23. A polygonal sliding rod 25 is installed at the bottom of the gears 24, so The bottom of the polygonal sliding rod 25 is inserted into the stirring rod 21, and the polygonal sliding rod 25 is slidingly connected with the stirring rod 21. A sliding block 26 is mounted on the top of the gear 24, and an annular guide rail 27 is installed on the bottom of the inner wall of the guide barrel 1. The slider 26 is slidably mounted on the annular guide rail 27 .

In this embodiment, when the rotating shaft 5 and the spiral plate 6 rotate, the stirring rod 21 drives the polygonal sliding rod 25 and the gear 24 to rotate synchronously, and the gear 24 rolls on the internal gear ring 23, so that the gear 24, the polygonal sliding rod 25, and The stirring rod 21 rotates synchronously, and the gear 24 drives the slider 26 to slide on the annular guide rail 27. When the rotating shaft 5 and the spiral plate 6 move up and down, the stirring rod 21 slides on the polygonal sliding rod 25.

As a preferred embodiment of the above embodiment, it also includes a buckle groove plate 28, which is buckled on the bottom opening of the guide barrel 1, and the bottom of the rotating shaft 5 is connected to the buckle groove plate 28. A plurality of guide chute plates 29 are connected and installed on the outer wall of the chute plate 28.

In this embodiment, the molten metal in the guide barrel 1 pushes downward on the buckling groove plate 28 , and the buckling groove plate 28 can drive the rotating shaft 5 and the spiral plate 6 to move downward, so that the buckling groove plate 28 and the spiral plate 6 face each other at the same time. The flow rate of the molten metal is detected to improve the accuracy of the ratio of molten metal and inoculant. The molten metal in the buckle plate 28 can be discharged through the guide plate 29. The buckle plate 28 can simultaneously support the bottom of the rotating shaft 5. At the same time, when the equipment When idle, the groove plate 28 can block the bottom of the guide tube 1 .

As a preferred embodiment of the above embodiment, a support ring 30 is rotatably installed on the outer wall of the guide tube 1, a sliding sleeve 31 is installed on the outer wall of the support ring 30, and a sliding column 32 is slidably provided in the sliding sleeve 31. The bottom of the column 32 is installed on the buckle groove plate 28, and the top of the sliding column 32 is installed with a limiting plate 33.

In this embodiment, when the buckle groove plate 28 rotates with the rotating shaft 5, the buckle groove plate 28 drives the limiting plate 33, the sliding column 32, the sliding sleeve 31 and the support ring 30 to rotate synchronously. When the buckle groove plate 28 moves up and down, the buckle groove plate 28 The plate 28 drives the sliding column 32 to move synchronously, and the limiting plate 33 can limit the moving positions of the sliding column 32 and the sealing plate 8 .

Preferably, the above embodiment also includes a partition 34, which is rotatably mounted on the inner wall of the guide tube 1, and the stirring rod 21 passes through the partition 34 and is slidably connected.

In this embodiment, by providing the partition 34 , the inner ring 23 , the gear 24 , the polygonal sliding rod 25 , the sliding block 26 and the annular guide rail 27 can be conveniently shielded and protected.

The installation method, connection method or setting method of the inoculant evenly dosing equipment for metal smelting of the present invention are all common mechanical methods, and can be implemented as long as the beneficial effects can be achieved.

The above are only preferred embodiments of the present invention. It should be noted that those of ordinary skill in the art can also make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (6)

1. A device for uniformly dosing inoculant for metal smelting, characterized by comprising a guide tube (1), with a feed pipe (2) connected to the outer wall of the guide tube (1), through which the metal liquid passes The feed pipe (2) is introduced into the guide cylinder (1). A storage cylinder (3) is provided above the guide cylinder (1). The inoculant is stored in the storage cylinder (3). The storage cylinder (3) A plurality of guide tubes (4) are connected at the bottom, and the output end of the guide tube (4) is inserted into the guide tube (1). A rotating shaft (5) is vertically provided in the guide tube (1). A spiral plate (6) is installed on the outer wall of (5). The top of the rotating shaft (5) extends into the storage barrel (3), and an opening and closing structure is provided on the top of the rotating shaft (5). The opening and closing structure The structure is used to control the switch of the storage barrel (3); Wherein, the bottom of the storage barrel (3) is set in a concave conical shape, and the rotating shaft (5) slides in the guide barrel (1) and the storage barrel (3); The opening and closing structure includes a rotating ring (7) rotatably installed on the inner wall of the storage barrel (3). The top of the rotating ring (7) is set as a tapered surface, and a plurality of rotating rings (7) are mounted on the bottom of the rotating ring (7). Sealing plate (8). Multiple sealing plates (8) are spliced into a complete circle. A first push-pull rod (9) is rotatably installed at the bottom of the sealing plate (8). The outer end of the first push-pull rod (9) is rotatably installed. There is a second push-pull rod (10), and a third push-pull rod (11) is rotatably installed on the outer end of the second push-pull rod (10). The outer wall of the third push-pull rod (11) is in contact with the storage tube (3). ) inner wall contact, the top of the third push-pull rod (11) is rotated and installed at the bottom of the rotating ring (7); A top plate (12) is installed at the bottom of the second push-pull rod (10), the top of the top plate (12) is in contact with the bottom of the first push-pull rod (9), and a fourth push plate (12) is rotated and installed at the bottom of the top plate (12). Pull rod (13), the fourth push-pull rod (13) is rotatably installed on the outer wall of the rotating shaft (5); Wherein, the rotating shaft (5) is provided with an elastic structure, and the elastic structure is used to generate upward elastic thrust to the rotating shaft (5); The elastic structure includes a moving sleeve (14) that is mounted on the outer wall of the rotating shaft (5). The moving sleeve (14) is located between the guide barrel (1) and the storage barrel (3). (14) Baffle rings (15) are provided in contact with the upper and lower sides, and the baffle rings (15) are fixed on the rotating shaft (5); A plurality of first push rods (16) are installed on the circumferential outer wall of the moving sleeve (14), and a plurality of second push rods (17) are rotationally installed at the bottom of the moving sleeve (14). (17) is tilted, and a leaf spring (18) is installed between the first ejector rod (16) and the second ejector rod (17), and a rotation rod (19) is installed at the outer end of the second ejector rod (17). ), the bottom of the rotating rod (19) is rotated and installed on the top of the guide barrel (1), the outer wall of the rotating rod (19) is in contact with the outer end of the first ejector rod (16), and the bottom of the storage barrel (3) is installed with A plurality of arc-shaped guide rails (20) are arranged along the radial direction of the rotating shaft (5), and the outer end of the rotating rod (19) is slidably mounted on the arc-shaped guide rails (20). 2. A device for uniformly dosing inoculant for metal smelting according to claim 1, characterized in that a plurality of stirring rods (21) are vertically arranged in the guide tube (1), and the plurality of stirring rods are The rods (21) are distributed in an annular shape, and the stirring rod (21) passes through the spiral plate (6) and is rotationally connected. A plurality of stirring rods (22) are installed on the outer wall of the stirring rod (21). 3. A device for uniformly dosing inoculant for metal smelting according to claim 2, characterized in that an internal toothed ring (23) is installed on the top of the inner wall of the guide tube (1), and the internal toothed ring (23) A plurality of gears (24) are provided with internal meshing. A polygonal sliding rod (25) is installed at the bottom of the gear (24). The bottom of the polygonal sliding rod (25) is inserted into the stirring rod (21), and the polygonal sliding rod (25) is inserted into the stirring rod (21). The rod (25) is slidingly connected to the stirring rod (21). A slider (26) is installed on the top of the gear (24) for rotation. An annular guide rail (27) is installed on the bottom of the inner wall of the guide tube (1). The slider (27) is installed on the inner wall of the guide tube (1). 26) Slidingly installed on the ring guide rail (27). 4. A device for uniformly dosing inoculant for metal smelting according to claim 3, characterized in that it also includes a buckle plate (28), and the buckle plate (28) is buckled on the guide material. On the bottom opening of the barrel (1), the bottom of the rotating shaft (5) is connected to the buckle groove plate (28). A plurality of guide groove plates (29) are connected and installed on the outer wall of the buckle groove plate (28). 5. A device for uniformly dosing inoculant for metal smelting according to claim 4, characterized in that a support ring (30) is rotatably installed on the outer wall of the guide tube (1), and the support ring (30) A sliding sleeve (31) is installed on the outer wall of the sliding sleeve (31). A sliding column (32) is provided slidingly inside the sliding sleeve (31). The bottom of the sliding column (32) is installed on the buckle groove plate (28). The sliding column (32) A limit plate (33) is installed on the top. 6. A device for uniformly dosing inoculant for metal smelting according to claim 5, characterized in that it also includes a partition (34), and the partition (34) is rotatably installed in the guide barrel (1) On the inner wall, the stirring rod (21) passes through the partition (34) and is slidingly connected.