Anti-arch-breaking stirring device

Abstract

The invention relates to a stirring device, belongs to the technical field of dry powder material processing, and particularly relates to an arch breaking prevention stirring device which comprises a hollow cylindrical processing cylinder, a stirring assembly for stirring the interior of the processing cylinder is arranged outside the processing cylinder, and a stirring assembly is arranged at the bottom of the processing cylinder; the stirring assembly comprises a discharging barrel, a mounting block, a stirring shaft I, a stirring shaft II, a stirring motor, a connecting rod, a connecting turntable and a stirring rod; according to the dry powder discharging device, the output end of the stirring motor drives the stirring shaft I and the stirring shaft II to rotate, and the stirring rods mounted on the side walls of the stirring shaft I and the stirring shaft II can stir dry powder materials in the discharging barrel, so that the dry powder materials in the discharging barrel flow, and the materials are prevented from arching and accumulating in the discharging barrel; the situation that the materials cannot be discharged outwards is avoided; the problems that materials with small stirring density are likely to arch in a stirring barrel and cannot be discharged in the prior art are solved.

Description

Technical Field

[0001] The invention relates to the technical field of dry powder material processing, in particular to an anti-arch breaking stirring device. Background Art

[0002] The dry powder mixing device is a device used to evenly mix a variety of dry powders or particles, and is widely used in chemical, pharmaceutical, food and other industries.

[0003] After searching, the Chinese patent with the publication number of CN106732949A discloses a pressurized dynamic flow dry powder stirring and crushing device, including a device body; the device body is mainly composed of a feed inlet, an air outlet, a stirring and crushing chamber, a collecting chamber and a collecting hopper, an annular plate is arranged between the stirring and crushing chamber and the collecting chamber, and a crushing roller is arranged in the stirring and crushing chamber, connecting rings are arranged on both sides of the crushing roller, and multiple crushing roller shafts are connected to the connecting rings, and multiple spiral sheets are fixedly wound and connected on the surface of the crushing roller, a fixed plate is arranged on the right side of the annular plate in the device body, and a fixing piece is connected to the surface of the rotating shaft on the right side of the fixed plate, and the fixing piece and the fixed plate are connected by a spring, and a sealing rubber pad is arranged at the connection between the air outlet and the collecting chamber. The device greatly improves the mixing effect of dry powder materials, and large particles in the dry powder can be effectively crushed inside the device, ensuring the fineness of the dry powder, and the dry powder greatly prolongs the mixing time between the dry powders through the pressurization effect, thereby improving the mixing effect.

[0004] In the above-mentioned prior art scheme, the material after mixing will be stored inside the collecting hopper and discharged outward through the bottom of the collecting hopper. However, in the above-mentioned prior art scheme, the material inside the collecting hopper is discharged outward under the influence of its own gravity. When the material density is small and the material discharge is not smooth, the material will arch in the mixing barrel, resulting in the phenomenon of material failure. Summary of the invention

[0005] In order to solve the above technical problems, the present invention proposes an anti-arch breaking stirring device, which drives the stirring shaft one and the stirring shaft two to rotate through the output end of the stirring motor, and the stirring and stirring rods installed on the side walls of the stirring shaft one and the stirring shaft two will stir the dry powder materials inside the discharge barrel to make the dry powder materials inside the discharge barrel flow, thereby preventing the materials from arching and accumulating inside the discharge barrel, which makes the materials unable to be discharged outward.

[0006] The technical solution for achieving the purpose of the present invention is: an anti-arch breaking stirring device, comprising a processing cylinder in a hollow cylindrical shape, a stirring component for stirring the inside of the processing cylinder is arranged on the outside of the processing cylinder, and a stirring component is arranged on the bottom of the processing cylinder;

[0007] The stirring component comprises:

[0008] A discharge cylinder, the discharge cylinder is fixedly mounted on the bottom wall of the processing cylinder;

[0009] Mounting blocks, there are two mounting blocks in total, and the two mounting blocks are respectively fixedly mounted on both ends of the outer side wall of the discharge barrel;

[0010] A first stirring shaft and a second stirring shaft, wherein the first stirring shaft and the second stirring shaft are rotatably mounted on the inner side walls of the two mounting blocks respectively, and the ends of the first stirring shaft and the second stirring shaft that are close to each other are both located inside the discharge barrel;

[0011] A dispersing motor, wherein the dispersing motor is fixedly mounted on the side wall of one of the mounting blocks, and an output end of the dispersing motor is fixedly connected to the side wall of the adjacent dispersing shaft 1 or the dispersing shaft 2;

[0012] A connecting rod, the connecting rod being arranged between the first stirring shaft and the second stirring shaft;

[0013] Connecting turntables, there are two connecting turntables, the two connecting turntables are rotatably mounted on the inner side wall of the connecting rod, and the ends of the two connecting turntables that are far away from each other are fixedly connected to the first stirring shaft and the second stirring shaft respectively;

[0014] There are a plurality of stirring rods, and the plurality of stirring rods are fixedly mounted on the side walls of the first stirring shaft and the second stirring shaft at equal distances in a mirror image circle.

[0015] Preferably, the stirring assembly comprises:

[0016] A cover plate, the cover plate being clamped on the top wall of the processing cylinder;

[0017] A feed cylinder, the feed cylinder is fixedly mounted on the top wall of the cover plate;

[0018] A stirring motor, wherein the stirring motor is fixedly installed in the middle of the top wall of the cover plate;

[0019] A stirring shaft, wherein the stirring shaft is fixedly mounted at the output end of the stirring motor, and the bottom end of the stirring shaft extends to the interior of the processing cylinder;

[0020] A plurality of stirring cross bars, wherein the plurality of stirring cross bars are fixedly mounted on the side wall of the stirring shaft;

[0021] A plurality of stirring vertical rods are arranged on the side wall of the stirring horizontal rod.

[0022] Preferably, the plurality of stirring cross bars are distributed in a circle, and the plurality of stirring cross bars are distributed and stacked transversely, and the plurality of stirring vertical bars are respectively fixedly mounted on the side walls of the stirring cross bars distributed in the same longitudinal direction.

[0023] Preferably, a limited flow component is provided inside the processing cylinder;

[0024] The current limiting component comprises:

[0025] A screening plate, wherein the screening plate is slidably mounted on the side wall of the stirring shaft;

[0026] Screening holes, wherein there are a plurality of screening holes, and the plurality of screening holes are opened on the side wall of the screening plate;

[0027] A limit frame, the limit frame is fixedly mounted on the bottom end of the inner wall of the processing cylinder,

[0028] A grinding net, the grinding net is placed on the side wall of the limiting frame;

[0029] A driven shaft, the driven shaft slidingly passing through the inner wall of the grinding screen;

[0030] A driven groove, wherein the driven groove is provided on the inner side wall of the grinding screen;

[0031] A driven block, the driven block is fixedly mounted on the side wall of the driven shaft and slidably mounted inside the driven groove;

[0032] There are a plurality of driven stirring rods.

[0033] Preferably, the screening plate is in the shape of a spindle.

[0034] Preferably, a plurality of driven stirring rods are fixedly mounted at equal intervals on the bottom end of the side wall of the driven shaft, and the driven stirring rods and adjacent stirring stirring rods are meshed with each other.

[0035] Preferably, a reset assembly is provided inside the processing cylinder;

[0036] The reset component comprises:

[0037] A positioning plate, wherein the positioning plate is fixedly mounted on the side wall of the stirring shaft;

[0038] An extrusion spring, wherein the extrusion spring is sleeved on a side wall of the stirring shaft;

[0039] A limiting plate, which is fixedly mounted on the bottom wall of the stirring shaft and is located inside the screening plate;

[0040] The limiting bar is fixedly mounted on the side wall of the stirring shaft and slidably mounted on the side wall of the screening plate.

[0041] Preferably, the upper and lower ends of the extrusion spring are fixedly connected to the screening plate and an end close to the screening plate respectively.

[0042] Compared with the prior art, the present invention has the following significant advantages:

[0043] First, the present invention pours the dry powder materials to be processed into the processing cylinder through the feeding cylinder, drives the stirring shaft to rotate through the stirring motor, and the stirring horizontal rod and the stirring vertical rod rotate together with the stirring shaft to stir the dry powder materials inside the processing cylinder; drives the stirring shaft one and the stirring shaft two to rotate through the output end of the stirring motor, and the stirring stirring rods installed on the side walls of the stirring shaft one and the stirring shaft two will stir the dry powder materials inside the discharging cylinder, so that the dry powder materials inside the discharging cylinder can flow, and avoid the materials from bulging and accumulating inside the discharging cylinder, resulting in the situation that the materials cannot be discharged outward; it solves the problem that the existing stirring materials with lower density may bulge in the stirring barrel and cannot be discharged.

[0044] Secondly, the present invention limits the position of the grinding net by a limit frame, and the material flowing downward through the screening hole will fall into the inside of the grinding net. The weight of the material pushes the screening plate to move downward, so that the side wall of the screening plate and the side wall of the grinding net fit together. By engaging the driven stirring rod and the two stirring stirring rods with each other, the driven stirring rod can drive the grinding net to rotate, and the screening plate and the grinding net rub against each other to grind the material between the screening plate and the grinding net to make the material finer.

[0045] Thirdly, in the present invention, with the cooperation of the connecting rod and the connecting turntable, the rotation directions of the stirring shaft 1 and the stirring shaft 2 are opposite, so it is convenient to stir the material inside the discharge barrel.

[0046] Fourthly, the present invention utilizes the elasticity of the extrusion spring so that the extrusion spring can pull the screening plate to move upward, thereby increasing the gap between the screening plate and the grinding net, making it easier for materials to enter between the screening plate and the grinding net.

[0047] Fifth, the present invention uses a limit bar to make the screening plate rotate synchronously with the stirring shaft, and controls the rotation direction of the output end of the stirring motor to make the screening plate and the grinding net rotate in opposite directions, thereby improving the grinding efficiency of the screening plate and the grinding net on the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments:

[0049] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0050] Figure 2 It is a schematic diagram of the three-dimensional structure of the interior of the processing cylinder of the present invention from a first-view perspective;

[0051] Figure 3 It is a schematic diagram of the three-dimensional structure of the interior of the processing cylinder of the present invention from a second viewing angle;

[0052] Figure 4 It is a schematic diagram of the internal structure of the screening plate of the present invention;

[0053] Figure 5 It is a schematic diagram of the internal structure of the connecting rod of the present invention.

[0054] Description of reference numerals:

[0055] 1. Processing barrel; 21. Cover plate; 23. Feed barrel; 24. Stirring motor; 25. Stirring shaft; 26. Stirring horizontal bar; 27. Stirring vertical bar; 31. Discharging barrel; 32. Mounting block; 33. Dispersing motor; 34. Dispersing shaft one; 35. Dispersing shaft two; 36. Connecting rod; 37. Connecting turntable; 38. Dispersing stirring rod; 41. Screening plate; 42. Screening hole; 43. Limiting frame; 44. Grinding net; 45. Driven shaft; 46. Driven slot; 47. Driven block; 48. Driven stirring rod; 51. Positioning plate; 52. Extrusion spring; 53. Limiting plate; 54. Limiting strip. DETAILED DESCRIPTION

[0056] The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described. 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.

[0057] The present invention provides an anti-arch breaking stirring device through improvement. The technical solution of the present invention is:

[0058] like Figure 1-Figure 5As shown, an anti-arch breaking stirring device includes a processing cylinder 1 in a hollow cylindrical shape, and a stirring assembly extending to the inside of the processing cylinder 1 is arranged on the outside of the processing cylinder 1, and the stirring assembly includes a cover plate 21, a feed cylinder 23, a stirring motor 24, a stirring shaft 25, a plurality of stirring cross bars 26 and a plurality of stirring vertical bars 27; the effect of stirring dry powder materials is achieved by the cooperation of the structures in the stirring assembly; the cover plate 21 is clamped on the top wall of the processing cylinder 1, the feed cylinder 23 is fixedly installed on the top wall of the cover plate 21, the stirring motor 24 is fixedly installed in the middle position of the top wall of the cover plate 21, the stirring shaft 25 is fixedly installed at the output end of the stirring motor 24, and the bottom end of the stirring shaft 25 extends to the processing cylinder 1, a plurality of stirring cross bars 26 are fixedly installed on the side wall of the stirring shaft 25, the plurality of stirring cross bars 26 are distributed in a circle, and the plurality of stirring cross bars 26 are stacked and distributed in a transverse manner, a plurality of stirring vertical bars 27 are arranged on the side wall of the stirring cross bars 26, and the plurality of stirring vertical bars 27 are respectively fixedly installed on the side wall of the stirring cross bars 26 distributed in the same longitudinal direction; the dry powder material to be processed is poured into the processing cylinder 1 through the feeding cylinder 23, the stirring shaft 25 is driven to rotate by the stirring motor 24, the stirring cross bars 26 and the stirring vertical bars 27 rotate together with the stirring shaft 25, and the dry powder material inside the processing cylinder 1 is stirred; a stirring assembly is arranged at the bottom of the processing cylinder 1, and the stirring assembly includes a discharging cylinder 31 , mounting block 32, dispersing motor 33, dispersing shaft 1 34, dispersing shaft 2 35, connecting rod 36, connecting turntable 37 and dispersing stirring rod 38, through the structure in the dispersing assembly, the dry powder materials discharged outward are stirred, the discharge of dry powder materials is convenient, and the dry powder materials are prevented from piling up; the discharging barrel 31 is fixedly mounted on the bottom wall of the processing barrel 1; the dry powder materials inside the processing barrel 1 are conveniently discharged outward through the discharging barrel 31, there are two mounting blocks 32, the two mounting blocks 32 are respectively fixedly mounted at the two ends of the outer wall of the discharging barrel 31, the dispersing shaft 1 34 and the dispersing shaft 2 35 are respectively rotatably mounted on the inner walls of the two mounting blocks 32, and the dispersing shaft 1 3 4 and the end close to the dispersing shaft 2 35 are both inside the discharge barrel 31, the dispersing motor 33 is fixedly mounted on the side wall of one of the mounting blocks 32, the output end of the dispersing motor 33 is fixedly connected to the side wall of the adjacent dispersing shaft 1 34 or the dispersing shaft 2 35, the connecting rod 36 is arranged between the dispersing shaft 1 34 and the dispersing shaft 2 35, there are two connecting turntables 37, the two connecting turntables 37 are rotatably mounted on the inner side wall of the connecting rod 36, the ends of the two connecting turntables 37 that are far away from each other are fixedly connected to the dispersing shaft 1 34 and the dispersing shaft 2 35 respectively, there are a plurality of dispersing stirring rods 38, and the plurality of dispersing stirring rods 38 are fixedly mounted on the side walls of the dispersing shaft 1 34 and the dispersing shaft 2 35 in a mirror image circumference at equal distances;The output end of the stirring motor 33 drives the stirring shaft 1 34 and the stirring shaft 2 35 to rotate, and the stirring rods 38 installed on the side walls of the stirring shaft 1 34 and the stirring shaft 2 35 will stir the dry powder materials inside the discharge barrel 31 to make the dry powder materials inside the discharge barrel 31 flow, so as to avoid the materials from accumulating inside the discharge barrel 31, which makes the materials unable to be discharged outward.

[0059] like Figure 1-Figure 5 As shown, a flow limiting component is arranged inside the processing cylinder 1, and the flow limiting component includes a screening plate 41, a screening hole 42, a limiting frame 43, a grinding net 44, a driven shaft 45, a driven groove 46, a driven block 47 and a driven stirring rod 48. The structure in the flow limiting component cooperates with each other to achieve the effect of limiting the material flow rate and prevent the material flow rate from being too large. The screening plate 41 is slidably mounted on the side wall of the stirring shaft 25, and the screening plate 41 is a spindle. There are a plurality of screening holes 42, and a plurality of screening holes 42 are opened on the side wall of the screening plate 41. The screening holes 42 facilitate the downward flow of the material inside the processing cylinder 1. The limiting frame 43 is fixedly mounted on the bottom end of the inner side wall of the processing cylinder 1, and the grinding net 44 is placed on the side wall of the limiting frame 43. The driven shaft 45 slides through the inner side wall of the grinding net 44, and the driven groove 46 is opened on the inner side wall of the grinding net 44. The driven block 47 is fixedly mounted on the side wall of the driven shaft 45 and is slidably mounted on the driven groove 4 6, there are a total of multiple driven stirring rods 48, and the multiple driven stirring rods 48 are fixedly installed at the bottom end of the side wall of the driven shaft 45 at equal intervals, and the driven stirring rods 48 and the adjacent stirring stirring rods 38 are meshed with each other; the position of the grinding net 44 is limited by the limit frame 43, and the material flowing downward through the screening hole 42 will fall into the inside of the grinding net 44, and the screening plate 41 is pushed downward by the weight of the material, so that the side wall of the screening plate 41 and the side wall of the grinding net 44 are fitted together, and the driven stirring rod 48 and the two stirring stirring rods 38 are meshed with each other, so that the driven stirring rod 48 can drive the grinding net 44 to rotate, and the screening plate 41 and the grinding net 44 rub against each other, grind the material between the screening plate 41 and the grinding net 44, and grind the material finer. At the same time, with the cooperation of the connecting rod 36 and the connecting turntable 37, the rotation directions of the stirring shaft 1 34 and the stirring shaft 2 35 are opposite, so that the material inside the discharge barrel 31 is conveniently stirred.

[0060] like Figure 1-Figure 5As shown, a reset assembly is arranged inside the processing cylinder 1, and the reset assembly includes a positioning plate 51, an extrusion spring 52, a limit plate 53 and a limit strip 54; the structure in the reset assembly cooperates together to facilitate the material to enter between the screening plate 41 and the grinding net 44; the positioning plate 51 is fixedly mounted on the side wall of the stirring shaft 25, the extrusion spring 52 is sleeved on the side wall of the stirring shaft 25, the upper and lower ends of the extrusion spring 52 are respectively fixedly connected to the screening plate 41 and the end close to the screening plate 41, the limit plate 53 is fixedly mounted on the bottom wall of the stirring shaft 25, and is inside the screening plate 41, the limit strip 54 is fixedly mounted on the bottom wall of the stirring shaft 25, and is inside the screening plate 41, The screen plate 41 is fixedly mounted on the side wall of the stirring shaft 25 and slidably mounted on the side wall of the screening plate 41; the elasticity of the extrusion spring 52 is utilized to enable the extrusion spring 52 to pull the screening plate 41 upward, thereby increasing the gap between the screening plate 41 and the grinding net 44, and facilitating the entry of materials between the screening plate 41 and the grinding net 44; the screening plate 41 is made to rotate synchronously with the stirring shaft 25 through the limit bar 54, and the rotating direction of the output end of the stirring motor 24 is controlled to make the screening plate 41 and the grinding net 44 rotate in opposite directions, thereby improving the grinding efficiency of the screening plate 41 and the grinding net 44 on the materials.

[0061] The specific working method is as follows: the dry powder materials to be processed are poured into the processing cylinder 1 through the feeding cylinder 23, the stirring shaft 25 is driven to rotate by the stirring motor 24, and the stirring horizontal rod 26 and the stirring vertical rod 27 rotate with the stirring shaft 25 to stir the dry powder materials inside the processing cylinder 1; the stirring shaft 1 34 and the stirring shaft 2 35 are driven to rotate by the output end of the stirring motor 33, and the stirring stirring rod 38 installed on the side wall of the stirring shaft 1 34 and the stirring shaft 2 35 will stir the inside of the discharging cylinder 31. The dry powder materials are stirred to make the dry powder materials inside the discharge barrel 31 flow, avoiding the materials from accumulating inside the discharge barrel 31 and causing the materials to be unable to be discharged outwards. By engaging the driven stirring rod 48 and the two stirring stirring rods 38 with each other, with the cooperation of the connecting rod 36 and the connecting turntable 37, the stirring shaft 1 34 and the stirring shaft 2 35 rotate in opposite directions, which facilitates the stirring of the materials inside the discharge barrel 31 and further avoids the accumulation of materials inside the discharge barrel 31.

[0062] The technical means disclosed in the solution of the present invention are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the present invention belong to the common knowledge of those skilled in the art.

Claims

1. An anti-arch breaking stirring device, comprising a processing cylinder (1) in the shape of a hollow cylinder, characterized in that: The outside of the processing cylinder (1) is provided with a stirring component for stirring the inside of the processing cylinder (1), and the bottom of the processing cylinder (1) is provided with a dispersing component; The stirring component comprises: A discharge cylinder (31), wherein the discharge cylinder (31) is fixedly mounted on the bottom wall of the processing cylinder (1); A mounting block (32), wherein there are two mounting blocks (32), and the two mounting blocks (32) are respectively fixedly mounted on two ends of the outer side wall of the discharge barrel (31); A dispersing shaft 1 (34) and a dispersing shaft 2 (35), wherein the dispersing shaft 1 (34) and the dispersing shaft 2 (35) are rotatably mounted on the inner side walls of the two mounting blocks (32), and the adjacent ends of the dispersing shaft 1 (34) and the dispersing shaft 2 (35) are both located inside the discharge barrel (31); A dispersing motor (33), wherein the dispersing motor (33) is fixedly mounted on a side wall of one of the mounting blocks (32), and an output end of the dispersing motor (33) is fixedly connected to a side wall of a neighboring dispersing shaft 1 (34) or a neighboring dispersing shaft 2 (35); A connecting rod (36), wherein the connecting rod (36) is arranged between the first agitating shaft (34) and the second agitating shaft (35); A connecting turntable (37), wherein there are two connecting turntables (37), the two connecting turntables (37) are rotatably mounted on the inner side wall of the connecting rod (36), and the ends of the two connecting turntables (37) that are away from each other are fixedly connected to the first stirring shaft (34) and the second stirring shaft (35) respectively; A plurality of stirring rods (38) are provided, and the plurality of stirring rods (38) are fixedly mounted on the side walls of the first stirring shaft (34) and the second stirring shaft (35) at equal distances in a mirror image circle.

2. The anti-arch breaking stirring device according to claim 1, characterized in that: The stirring assembly comprises: A cover plate (21), wherein the cover plate (21) is clamped on the top wall of the processing cylinder (1); A feed barrel (23), wherein the feed barrel (23) is fixedly mounted on the top wall of the cover plate (21); A stirring motor (24), wherein the stirring motor (24) is fixedly mounted at a middle position of a top wall surface of the cover plate (21); A stirring shaft (25), wherein the stirring shaft (25) is fixedly mounted on the output end of the stirring motor (24), and the bottom end of the stirring shaft (25) extends into the interior of the processing cylinder (1); A plurality of stirring cross bars (26), wherein the plurality of stirring cross bars (26) are fixedly mounted on the side wall of the stirring shaft (25); A plurality of stirring vertical rods (27) are arranged on the side wall of the stirring horizontal rod (26).

3. The anti-arch breaking stirring device according to claim 2, characterized in that: The plurality of stirring cross bars (26) are distributed in a circular pattern, and the plurality of stirring cross bars (26) are distributed in a transverse stack, and the plurality of stirring vertical bars (27) are respectively fixedly mounted on the side walls of the stirring cross bars (26) distributed in the same longitudinal direction.

4. The anti-arch breaking stirring device according to claim 1, characterized in that: A limited flow component is arranged inside the processing cylinder (1); The current limiting component comprises: A screening plate (41), wherein the screening plate (41) is slidably mounted on a side wall of the stirring shaft (25); Screening holes (42), there are a plurality of screening holes (42), and the plurality of screening holes (42) are opened on the side wall of the screening plate (41); A limit frame (43), wherein the limit frame (43) is fixedly mounted on the bottom end of the inner side wall of the processing cylinder (1). A grinding net (44), wherein the grinding net (44) is placed on the side wall of the limiting frame (43); A driven shaft (45), the driven shaft (45) slidingly penetrates the inner wall of the grinding screen (44); A driven groove (46), wherein the driven groove (46) is formed on the inner side wall of the grinding screen (44); A driven block (47), wherein the driven block (47) is fixedly mounted on the side wall of the driven shaft (45) and slidably mounted inside the driven groove (46); A driven stirring rod (48), wherein there are a plurality of driven stirring rods (48).

5. The anti-arch breaking stirring device according to claim 4, characterized in that: The screening plate (41) is in the shape of a spindle.

6. The anti-arch breaking stirring device according to claim 4, characterized in that: A plurality of driven stirring rods (48) are fixedly mounted at equal intervals on the circumference at the bottom end of the side wall of the driven shaft (45), and the driven stirring rods (48) and adjacent stirring rods (38) are meshed with each other.

7. The anti-arch breaking stirring device according to claim 1, characterized in that: A reset component is arranged inside the processing cylinder (1); The reset component comprises: A positioning plate (51), wherein the positioning plate (51) is fixedly mounted on a side wall of the stirring shaft (25); A squeezing spring (52), wherein the squeezing spring (52) is sleeved on a side wall of the stirring shaft (25); A limiting plate (53), wherein the limiting plate (53) is fixedly mounted on the bottom wall of the stirring shaft (25) and is located inside the screening plate (41); A limit bar (54), wherein the limit bar (54) is fixedly mounted on the side wall of the stirring shaft (25) and slidably mounted on the side wall of the screening plate (41).

8. The anti-arch breaking stirring device according to claim 7, characterized in that: The upper and lower ends of the extrusion spring (52) are respectively fixedly connected to the screening plate (41) and an end close to the screening plate (41).

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