Suspended metal-stream inoculation machine for casting and pouring

Abstract

The invention discloses a suspension type stream inoculation machine for casting and pouring, which relates to the field of casting and comprises a hanger, a casting ladle and connecting shafts, the casting ladle is arranged on the inner side of the hanger, the connecting shafts are symmetrically fixed on the front side and the rear side of the casting ladle, and the connecting shafts are rotatably connected with the hanger. A material barrel for storing inoculants is arranged above a pouring gate of the casting ladle, rotating shafts are symmetrically fixed to the front side and the rear side of the material barrel, supporting seats are rotationally connected to the ends of the rotating shafts, the supporting seats are fixed to the outer side of the casting ladle and move synchronously with the casting ladle, and a vertical positioning mechanism is arranged above the material barrel. And when the casting ladle rotates, the charging basket is controlled to be kept in a vertical state. According to the suspension type metal-stream inoculation machine for casting and pouring, shielding control is conducted on the material opening through the baffle, the baffle automatically moves to open the material opening to achieve automatic adding of an inoculant during pouring, after pouring is stopped, the baffle resets to shield the through opening, manual re-control is not needed, and use and operation are more convenient and faster.

Description

Technical Field

[0001] The invention relates to the technical field of casting, in particular to a suspended type inoculant for casting. Background Art

[0002] During the casting process, inoculants can be added to the casting materials to change the material properties. The inoculant is easily mixed with the casting liquid, which is not uniform. Therefore, it can be added during the casting process. Prior art 1 (publication number CN112045153A, Chinese patent published on December 8, 2020) An intelligent on-stream inoculation device and on-stream inoculation method, wherein the on-stream inoculation device includes a ladle, a support frame, an inoculation funnel, a push rod device, a battery, a Bluetooth module, a low-battery alarm, and a smart phone; the support frame is fixed on the steel pipe jack on the side of the ladle nozzle, and the inoculation funnel is installed at the end of the support frame. A downward opening is provided at the bottom of the inoculation funnel, and the opening is located directly above the ladle nozzle. A gate valve is connected to the opening, and the gate valve is controlled to open and close by a push rod device. When the ladle rotates under the drive of the rotating device and pours the molten iron, the inoculation funnel is always perpendicular to the top of the ladle nozzle. Open the on-stream inoculation button of the smart phone APP to perform on-stream inoculation. The device of the present invention has strong safety, practicality and intelligence, can realize accurate and automatic flow inoculation in the whole process of ladle pouring, and has the functions of inoculant exhaustion alarm and battery low power alarm; Existing patent 2 (publication number CN106903298B, Chinese patent published on August 6, 2019) A ladle device for flow inoculation and a flow inoculation method thereof, wherein the ladle device for flow inoculation includes a ladle, a pouring nozzle is provided at the upper mouth of the ladle, and a turntable drive device is provided on the side of the ladle to drive the ladle to rotate so as to pour the pouring liquid from the pouring nozzle , characterized in that an inoculation funnel is hung on the upper side of the pouring nozzle, a lifting ring is provided in the direction of the gravity extension line of the upper part of the inoculation funnel, an outlet pipe is provided at the lower part of the inoculation funnel, a closable valve plate is provided in the outlet pipe, the inoculation funnel is hung on a balance bracket, support brackets are fixedly provided on the outer walls of the ladle on both sides of the pouring nozzle, a horizontal support shaft is provided on the support bracket, and the balance bracket is vertically supported on the support shaft; when the ladle rotates and pours the pouring liquid under the drive of the rotating device, the inoculation funnel is always hung vertically above the pouring nozzle, and the valve plate can be opened at any time for inoculation along the flow. The device of the present invention can achieve uniform inoculation along the flow when the ladle is poured; Although the current flow inoculation machine can realize the addition of inoculant during pouring, it needs to be manually operated and controlled when adding the inoculant, and it needs to be controlled to be closed again after pouring. Failure to open the discharge channel in time during pouring will cause a decline in the quality of subsequent products. Failure to close the discharge channel in time after pouring will also cause a waste of inoculant, reducing the convenience of using the device. Summary of the invention

[0003] The object of the present invention is to provide a suspended casting pouring flow inoculator to solve the problem that manual operation control is required when adding the inoculant, and it needs to be controlled to be closed again after pouring, which may easily cause the inoculant to be added untimely and affect the product quality or cause waste of the inoculant.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a suspended casting pouring flow inoculation machine, comprising a hanger, a ladle and a connecting shaft, wherein the ladle is arranged on the inner side of the hanger, and the connecting shafts are symmetrically fixed on the front and rear sides of the ladle, and a rotation connection is formed between the connecting shaft and the hanger, a material barrel for storing an inoculant is arranged above the pouring mouth of the ladle, and the rotating shafts are symmetrically fixed on the front and rear sides of the material barrel, and the end of the rotating shaft is rotatably connected to a support seat, the support seat is fixed on the outer side of the ladle and keeps synchronous movement with the ladle, and a vertical positioning mechanism is arranged above the material barrel. When the ladle rotates, the barrel is controlled to maintain a vertical state, a discharge port is provided inside the barrel, and a discharge pipe is connected to the outside of the port, the left end of the discharge pipe is located outside the barrel, and the inoculant is discharged, a baffle is provided on the outside of the port to block the port, and a material port is provided below the baffle, and an up and down sliding structure is formed between the baffle and the barrel, and the port and the material port are opposed to each other by sliding up the baffle, so that the port is opened, a driving plate is fixed below the baffle, and a movement control mechanism is provided on the outside of the driving plate, which automatically controls the movement of the baffle during pouring.

[0005] To further optimize the technical solution, the vertical positioning mechanism includes a guide rod, a fixed block and a sliding block; A guide rod, installed above the barrel; A fixing block, fixed on the left side of the rack; The slider is arranged inside and between the fixed blocks to form a left-right sliding structure, the upper end of the guide rod passes through the slider and between the sliders to form an up-and-down sliding structure, and a ball bearing is arranged on the surface of the slider.

[0006] To further optimize the technical solution, a cover body is provided above the barrel, a threaded connection is formed between the cover body and the barrel, and the cover body and the lower end of the guide rod are fixedly connected.

[0007] To further optimize the technical solution, the mobile control mechanism includes a first gear, a mounting shaft and an automatic trigger mechanism; A first gear is arranged on the right side of the driving plate and is meshedly connected with the driving plate; The mounting shaft is fixed at the middle of the first gear, and a rotation connection is formed between the mounting shaft and the barrel; The automatic trigger mechanism is connected to the installation shaft to control the rotation of the installation shaft.

[0008] To further optimize the technical solution, the automatic trigger mechanism includes a push plate, a movable plate and a second gear; The push plate is arranged below the barrel and has an arc-shaped structure; The movable plate is fixed above the push plate, and the upper end of the movable plate is located between the bottom of the barrel and the barrel to form a left-right sliding structure; The second gear is arranged above the movable plate and is meshed with the movable plate, and the second gear is fixedly connected to the mounting shaft.

[0009] To further optimize the technical solution, a torsion spring is provided at the end of the installation shaft to provide a rotational reset force for the installation shaft so that the baffle can fall automatically.

[0010] To further optimize the technical solution, a connecting hose is connected to the outside of the through port, the connecting hose is connected to a discharge pipe, support shafts are fixed to the upper and lower ends of the discharge pipe, a rotational connection is formed between the support shaft and the barrel, and a reciprocating control mechanism is arranged on the outside of the support shaft.

[0011] To further optimize the technical solution, the reciprocating control mechanism includes a third gear, a connecting plate, a return spring, an extrusion wheel, a drive shaft and a motor; a third gear fixed to the surface of the support shaft; A connecting plate is arranged on the outer side of the third gear and is meshed with the third gear, and a front-rear sliding structure is formed between the connecting plate and the barrel; A return spring, arranged at the front side of the connecting plate to provide thrust therefor; An extrusion wheel is arranged on the rear side of the connecting plate; The driving shaft is fixed on the surface of the extrusion wheel, and the center of the extrusion wheel and the center of the driving shaft are staggered; The motor is arranged above the driving shaft to control the rotation of the driving shaft.

[0012] To further optimize the technical solution, a support plate is fixed on the material barrel, a motor is installed above the support plate, an auxiliary rod is arranged inside the material barrel, the auxiliary rod passes through the support plate and forms a rotating connection between the support plates, a stirring rod is fixed on the surface of the auxiliary rod, and a transmission belt is arranged on the outside of the auxiliary rod, the auxiliary rod is connected to the drive shaft through the transmission belt, and the transmission belt is located inside the support plate.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The baffle is used to block the material opening. When pouring, the baffle automatically moves to open the material opening to realize automatic addition of inoculant. After stopping pouring, the baffle is reset to block the opening. There is no need for manual control again, which makes it more convenient to use and operate. The rotating shaft and the guide rod are arranged to provide vertical positioning for the barrel, so that the barrel can be kept in a vertical state when the ladle rotates, and the guide rod can drive the slider to slide in the fixed block, and the guide rod slides vertically in the slider to adapt to the position change of the ladle; The cover body provides upper shielding protection for the barrel, and the cover body is connected to the guide rod. The cover body can be removed from the barrel by rotating it, so that the product in the barrel can be added conveniently. The pouring of the ladle is monitored by the push plate. During pouring, the liquid flow will push the push plate to move, so that the push plate controls the baffle to move through the mounting shaft and the driving plate, and the material port and the through port are relatively aligned to realize the automatic opening of the inoculant channel. When the pouring stops, the push plate is reset, and the baffle continues to cover the through port and automatically closes the inoculant channel. The reciprocating rotation of the support shaft can drive the discharge pipe to swing back and forth, thereby increasing its discharge range, so that the material flowing through the ladle gate can be mixed more evenly, thereby improving the quality of subsequent casting products. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a side view structural schematic diagram of the present invention; Figure 3 This is a schematic diagram of the rotation of the ladle of the present invention; Figure 4 This is a schematic diagram of the three-dimensional structure of the material barrel of the present invention; Figure 5 It is a schematic diagram of the side section structure of the fixing block of the present invention; Figure 6 This is a schematic diagram of the top view of the material barrel of the present invention; Figure 7 This is a schematic diagram of the main cross-sectional structure of the material barrel of the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of the baffle of the present invention; Fig. 9 This is a schematic diagram of the main cross-sectional structure of the movable plate of the present invention; Fig.10 For the present invention Fig. 9 The enlarged structural diagram at a in the middle; Fig.11 This is a schematic diagram of the top view of the third gear of the present invention; Fig.12 It is a schematic diagram of the top-sectional structure of the support plate of the present invention.

[0015] In the figure: 1. hanger; 2. ladle; 3. connecting shaft; 4. barrel; 5. rotating shaft; 6. support seat; 7. guide rod; 8. fixed block; 9. slider; 10. cover; 11. through port; 12. connecting hose; 13. discharge pipe; 14. baffle; 15. material port; 16. first gear; 17. drive plate; 18. mounting shaft; 19. push plate; 20. movable plate; 21. second gear; 22. torsion spring; 23. support shaft; 24. third gear; 25. connecting plate; 26. reset spring; 27. extrusion wheel; 28. drive shaft; 29. ​​motor; 30. support plate; 31. auxiliary rod; 32. stirring rod; 33. transmission belt. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments 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 creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-Figure 12 The present invention provides the following technical solution: a suspended casting pouring inoculant, comprising a hanger 1, a ladle 2 and a connecting shaft 3, wherein the ladle 2 is arranged on the inner side of the hanger 1, and the connecting shaft 3 is symmetrically fixed on the front and rear sides of the ladle 2, and a rotation connection is formed between the connecting shaft 3 and the hanger 1; Embodiment 1:

[0018] The invention provides a technical solution, which discloses that a barrel 4 for storing an inoculant is arranged above the pouring port of a ladle 2, and a rotating shaft 5 is symmetrically fixed on the front and rear sides of the barrel 4, and the end of the rotating shaft 5 is rotatably connected to a support seat 6, and the support seat 6 is fixed on the outside of the ladle 2 and moves synchronously with the ladle 2. A vertical positioning mechanism is arranged above the barrel 4 to control the barrel 4 to maintain a vertical state when the ladle 2 rotates, and a through port 11 for discharging is arranged inside the barrel 4, and a discharge pipe 13 is connected to the outside of the through port 11, and the left end of the discharge pipe 13 is located on the outside of the barrel 4 to discharge the inoculant, and a baffle 14 is arranged on the outside of the through port 11 to block the through port 11, and a material port 15 is arranged below the baffle 14, and an up and down sliding structure is formed between the baffle 14 and the barrel 4. The baffle plate 14 slides upward to make the through-port 11 and the material port 15 face each other, so that the through-port 11 is opened. A driving plate 17 is fixed below the baffle plate 14, and a moving control mechanism is arranged on the outer side of the driving plate 17, which automatically controls the movement of the baffle plate 14 during pouring. The vertical positioning mechanism includes a guide rod 7, a fixed block 8 and a slider 9. The guide rod 7 is installed above the material barrel 4, the fixed block 8 is fixed to the left side of the hanger 1, and the slider 9 is arranged inside and between the fixed block 8 to form a left-right sliding structure. The upper end of the guide rod 7 passes through the slider 9 and between the sliders 9 to form an up-and-down sliding structure, and the surface of the slider 9 is provided with a ball bearing. A cover body 10 is arranged above the material barrel 4, and a threaded connection is formed between the cover body 10 and the material barrel 4, and the cover body 10 and the lower end of the guide rod 7 are fixedly connected; When in use, the ladle 2 can be moved to the pouring position by the hanging bracket 1, and the inoculant is added into the barrel 4 in advance. When the rotating ladle 2 is poured, the ladle 2 drives the rotating shaft 5 and the barrel 4 to move accordingly through the supporting seat 6. The barrel 4 rotates through the rotating shaft 5 when moving. At the same time, the guide rod 7 slides vertically in the slider 9 and drives the slider 9 to move in the fixed block 8, so that the barrel 4 remains in a vertical state. During pouring, the baffle 14 will move upward to make the material port 15 and the through port 11 face each other, and the inoculant in the barrel 4 enters the discharge pipe 13 through the material port 15 and is discharged outward to mix with the pouring liquid.

[0019] Embodiment 2:

[0020] On the basis of the first embodiment, a mobile control mechanism is disclosed, which includes a first gear 16, a mounting shaft 18 and an automatic trigger mechanism. The first gear 16 is arranged on the right side of the driving plate 17 and is meshed with the driving plate 17. The mounting shaft 18 is fixed in the middle of the first gear 16, and the mounting shaft 18 and the barrel 4 are connected in rotation. The automatic trigger mechanism is connected to the mounting shaft 18 to control the rotation of the mounting shaft 18. The automatic trigger mechanism includes a push plate 19, a movable plate 20 and a second gear 21. The push plate 19 is arranged below the barrel 4, and the push plate 19 is designed in an arc-shaped structure. The movable plate 20 is fixed above the push plate 19, and the upper end of the movable plate 20 is located between the bottom of the barrel 4 and the barrel 4 to form a left-right sliding structure. The second gear 21 is arranged above the movable plate 20 and is meshed with the movable plate 20, and the second gear 21 is fixedly connected to the mounting shaft 18. A torsion spring 22 is arranged at the end of the mounting shaft 18 to provide a rotational reset force for the mounting shaft 18, so that the baffle 14 can fall automatically. When pouring is not in progress, the baffle 14 keeps blocking the passage 11. During pouring, the fluid flows toward the gate of the ladle 2. When the fluid flows, it will push the push plate 19 to move. The push plate 19 drives the second gear 21 to rotate through the movable plate 20. The second gear 21 drives the mounting shaft 18 to rotate. The mounting shaft 18 drives the first gear 16 to rotate. The first gear 16 will drive the driving plate 17 and the baffle 14 to move upward through the engagement with the driving plate 17, so that the material port 15 and the passage 11 are opposite to each other, so that the discharge pipe 13 can discharge the material. After the subsequent pouring is completed, the thrust on the push plate 19 disappears, and the torsion spring 22 will drive the support shaft 23 to return to rotation, so that the baffle 14 moves downward, continues to keep blocking the passage 11, and stops the discharge of the discharge pipe 13, thereby realizing the effect of automatic discharge during pouring and automatic stop of discharge when pouring is stopped, without the need for additional manual control.

[0021] Embodiment 3:

[0022] On the basis of the first embodiment, it is disclosed that the outer side of the through port 11 is connected with a connecting hose 12, the connecting hose 12 is connected to the discharge pipe 13, the upper and lower ends of the discharge pipe 13 are fixed with a support shaft 23, the support shaft 23 and the barrel 4 are connected in rotation, and a reciprocating control mechanism is arranged on the outer side of the support shaft 23, the reciprocating control mechanism includes a third gear 24, a connecting plate 25, a reset spring 26, an extrusion wheel 27, a drive shaft 28 and a motor 29, the third gear 24 is fixed on the surface of the support shaft 23, the connecting plate 25 is arranged on the outer side of the third gear 24 and the third gear 24 is meshed, and a front-rear sliding structure is formed between the connecting plate 25 and the barrel 4, and the reset spring 26 is arranged on the front side of the connecting plate 25 To provide thrust for it, an extrusion wheel 27 is arranged on the rear side of the connecting plate 25, a driving shaft 28 is fixed on the surface of the extrusion wheel 27, and the center of the extrusion wheel 27 and the center of the driving shaft 28 are staggered, a motor 29 is arranged above the driving shaft 28 to control the rotation of the driving shaft 28, a support plate 30 is fixed on the barrel 4, the motor 29 is installed above the support plate 30, an auxiliary rod 31 is arranged inside the barrel 4, the auxiliary rod 31 penetrates the support plate 30 and the support plate 30 forms a rotation connection, and a stirring rod 32 is fixed on the surface of the auxiliary rod 31, and a transmission belt 33 is arranged on the outside of the auxiliary rod 31, the auxiliary rod 31 is connected to the driving shaft 28 through the transmission belt 33, and the transmission belt 33 is located inside the support plate 30; When unloading, the motor 29 can be used to drive the driving shaft 28 to rotate, and the driving shaft 28 drives the extrusion wheel 27 to rotate eccentrically, so that it squeezes the connecting plate 25, and cooperates with the reset spring 26 to make the connecting plate 25 reciprocate. The connecting plate 25 drives the supporting shaft 23 to reciprocate by meshing with the third gear 24, so as to control the swing of the unloading pipe 13 and increase the unloading range. When the driving shaft 28 rotates, it can drive the auxiliary rod 31 to rotate through the transmission belt 33, and the auxiliary rod 31 drives the stirring rod 32 to stir the product in the barrel 4 to prevent it from coagulating.

[0023] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A suspended casting inoculation machine, comprising a hanging frame (1), a ladle (2) and a connecting shaft (3), wherein the ladle (2) is arranged on the inner side of the hanging frame (1), and the connecting shaft (3) is symmetrically fixed on the front and rear sides of the ladle (2), and the connecting shaft (3) and the hanging frame (1) are rotatably connected; Features: A material barrel (4) for storing an inoculant is arranged above the pouring port of the ladle (2), and a rotating shaft (5) is symmetrically fixed on both sides of the material barrel (4), and the end of the rotating shaft (5) is rotatably connected to a support seat (6), and the support seat (6) is fixed to the outside of the ladle (2) and moves synchronously with the ladle (2). A vertical positioning mechanism is arranged above the material barrel (4) to control the material barrel (4) to maintain a vertical state when the ladle (2) rotates. A through hole (11) for discharging material is arranged inside the material barrel (4), and a discharge pipe (13) is connected to the outside of the through hole (11). The discharge pipe (13) is connected to the outside of the discharge pipe (13). The left end of the material barrel (3) is located outside the material barrel (4) to discharge the inoculant, a baffle (14) is arranged outside the through opening (11) to cover the through opening (11), and a material port (15) is arranged below the baffle (14), and an up-and-down sliding structure is formed between the baffle (14) and the material barrel (4), and the through opening (11) and the material port (15) are opposed to each other by sliding the baffle (14) upward, so that the through opening (11) is opened, a driving plate (17) is fixed below the baffle (14), and a movement control mechanism is arranged outside the driving plate (17) to automatically control the movement of the baffle (14) during pouring.

2. A suspended casting pouring inoculant according to claim 1, characterized in that: The vertical positioning mechanism comprises a guide rod (7), a fixing block (8) and a sliding block (9); A guide rod (7) is installed above the barrel (4); A fixing block (8) fixed on the left side of the hanging bracket (1); The slider (9) is arranged inside the fixed block (8) and between the fixed blocks (8) to form a left-right sliding structure. The upper end of the guide rod (7) passes through the slider (9) and between the sliders (9) to form an up-and-down sliding structure. A ball bearing is arranged on the surface of the slider (9).

3. A suspended casting pouring inoculant according to claim 2, characterized in that: A cover body (10) is arranged above the material barrel (4), and a threaded connection is formed between the cover body (10) and the material barrel (4), and the cover body (10) and the lower end of the guide rod (7) are fixedly connected.

4. The suspended casting pouring inoculant according to claim 1, characterized in that: The movement control mechanism comprises a first gear (16), a mounting shaft (18) and an automatic triggering mechanism; A first gear (16) is arranged on the right side of the driving plate (17) and is meshedly connected with the driving plate (17); A mounting shaft (18) is fixed to the middle of the first gear (16), and a rotation connection is formed between the mounting shaft (18) and the material barrel (4); The automatic trigger mechanism is connected to the mounting shaft (18) to control the rotation of the mounting shaft (18).

5. The suspended casting pouring inoculant according to claim 4, characterized in that: The automatic trigger mechanism comprises a push plate (19), a movable plate (20) and a second gear (21); A push plate (19) is arranged below the material barrel (4), and the push plate (19) is designed to be an arc-shaped structure; The movable plate (20) is fixed above the push plate (19), and the upper end of the movable plate (20) is located between the bottom of the barrel (4) and the barrel (4) to form a left-right sliding structure; The second gear (21) is arranged above the movable plate (20) and is meshedly connected with the movable plate (20), and the second gear (21) is fixedly connected to the mounting shaft (18).

6. The suspended casting pouring inoculant according to claim 5, characterized in that: A torsion spring (22) is provided at the end of the installation shaft (18) to provide a rotational reset force for the installation shaft (18) so that the baffle (14) can automatically fall down.

7. The suspended casting pouring inoculant according to claim 1, characterized in that: The outer side of the through opening (11) is connected to a connecting hose (12), the connecting hose (12) is connected to a feeding pipe (13), the upper and lower ends of the feeding pipe (13) are fixed with a supporting shaft (23), the supporting shaft (23) and the material barrel (4) are rotatably connected, and a reciprocating control mechanism is arranged on the outer side of the supporting shaft (23).

8. The suspended casting pouring inoculant according to claim 7, characterized in that: The reciprocating control mechanism comprises a third gear (24), a connecting plate (25), a return spring (26), an extrusion wheel (27), a driving shaft (28) and a motor (29); a third gear (24) fixed on the surface of the support shaft (23); A connecting plate (25) is arranged on the outer side of the third gear (24) and is meshed with the third gear (24), and a front-to-rear sliding structure is formed between the connecting plate (25) and the barrel (4); A return spring (26) is arranged on the front side of the connecting plate (25) to provide thrust therefor; An extrusion wheel (27) is arranged on the rear side of the connecting plate (25); The driving shaft (28) is fixed on the surface of the extrusion wheel (27), and the center of the extrusion wheel (27) and the center of the driving shaft (28) are staggered; The motor (29) is arranged above the driving shaft (28) to control the rotation of the driving shaft (28).

9. The suspended casting pouring inoculant according to claim 8, characterized in that: A support plate (30) is fixed on the material barrel (4), and the motor (29) is installed above the support plate (30). An auxiliary rod (31) is arranged inside the material barrel (4), and the auxiliary rod (31) passes through the support plate (30) and forms a rotation connection between the support plates (30). A stirring rod (32) is fixed on the surface of the auxiliary rod (31), and a transmission belt (33) is arranged on the outside of the auxiliary rod (31). The auxiliary rod (31) is connected to the drive shaft (28) through the transmission belt (33), and the transmission belt (33) is located inside the support plate (30).

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