Anti-blocking structure of powder conveying device

Abstract

The utility model discloses a kind of anti-blocking structures of powder conveying equipment, it is related to powder conveying technical field, including the annular structure anti-blocking bin with the opening of top portion, the anti-blocking bin top portion is fixedly connected with mounting disc, the anti-blocking bin bottom portion is fixedly connected with discharge pipe;The upper portion of the anti-blocking bin interior is equipped with the annular shell coaxially arranged with it, the annular shell top portion is fixedly connected with multiple L type positioning rods in circumferential array, multiple L type positioning rods are fixedly connected between the anti-blocking bin circumferential inner wall with the annular shell one end away from it.The utility model has the advantages of efficient scattering, quantitative discharging, through the synchronous rotation of four stirring shafts and surface stirring rod, falling powder is actively agitated and scattered, especially suitable for damp, easy to agglomerate or poor flowability powder, quantitative discharging paddle driven by the same power source is arranged in discharge pipe, realize continuous, stable, preliminary quantitative discharge, avoid the problem of uneven discharge or flow caused by free falling.

Description

Technical Field

[0001] This utility model relates to the field of powder conveying technology, specifically to an anti-clogging structure for powder conveying equipment. Background Technology

[0002] Powder conveying equipment is a type of mechanical equipment used for the continuous, efficient, and enclosed conveying of powdery or granular materials in industrial production processes. This type of equipment is widely used in industries such as chemical, food, pharmaceutical, building materials, metallurgy, plastics, and energy, offering advantages such as reduced dust pollution, increased automation, and lower labor costs. During operation, clogging is a common and critical problem affecting production efficiency of powder conveying equipment, especially for powders with poor flowability, easy moisture absorption, wide particle size distribution, or stickiness (such as starch, milk powder, talc, titanium dioxide, traditional Chinese medicine powder, etc.). To prevent or reduce clogging, anti-clogging structures are generally installed.

[0003] Powder is prone to moisture and clumping during transportation. When powder becomes damp and clumps, the powder entering the anti-clogging structure may become clumped or sticky to the inner surface of the anti-clogging structure, causing blockage and affecting the discharge efficiency. In addition, the existing anti-clogging structure is not convenient for quantitative feeding of powder, which reduces the powder transportation efficiency. Utility Model Content

[0004] To address the problems mentioned in the background art, the purpose of this utility model is to provide an anti-clogging structure for a powder conveying device, which has the advantages of efficient dispersing and quantitative feeding. Through the synchronous rotation of four stirring shafts and surface stirring rods, the falling powder is actively stirred and dispersed, which is especially suitable for powders that are damp, prone to agglomeration, or have poor flowability. A quantitative feeding paddle driven by the same power source is installed in the feeding pipe to achieve continuous, stable, and initially quantitative discharge, avoiding the problems of uneven discharge or flow caused by free falling material.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an anti-clogging structure for a powder conveying device, comprising an annular anti-clogging chamber with an opening at the top, an installation plate fixedly connected to the top of the anti-clogging chamber, and a discharge pipe fixedly connected to the bottom of the anti-clogging chamber. The anti-clogging chamber has an annular shell coaxially arranged above it. Multiple L-shaped positioning rods are fixedly connected in a circumferential array on the top of the annular shell. The ends of the L-shaped positioning rods away from the annular shell are fixedly connected to the inner circumferential wall of the anti-clogging chamber. A conical hopper is fixedly connected above the top of the annular shell. Horizontally arranged stirring shafts are rotatably connected to all four sides of the annular shell's circumferential surface. Multiple stirring rods are fixedly connected in a circumferential array on the surfaces of the four stirring shafts. A guide hopper is fixedly connected below the inside of the anti-clogging chamber, located below the four stirring shafts. A vertically arranged discharge pipe is fixedly connected to the bottom of the guide hopper, extending to and fixedly connected to the bottom of the anti-clogging chamber. A controller for controlling the entire structure is fixedly connected to the front surface of the anti-clogging chamber.

[0006] As a preferred embodiment of this utility model, a central gear is rotatably connected at the center of the bottom of the inner wall of the annular shell, and four stirring shafts extend one end close to each other into the interior of the annular shell and are fixedly fitted with bevel gears. The bottoms of the four bevel gears are perpendicularly meshed with the top of the central gear around the perimeter. The stirring shaft located on the rear side inside the annular shell extends away from the bevel gear to the rear side outside the anti-clogging chamber and is fixedly connected to it.

[0007] In a preferred embodiment of this invention, a rectangular shell is fixedly connected to the rear surface of the anti-clogging chamber, and the rear surface of the stirring shaft is rotatably connected to the annular shell and the rear side of the anti-clogging chamber. A metering paddle is rotatably connected inside the feeding pipe, and a rotating shaft parallel to the rear stirring shaft is fixedly connected to the inner wall of the metering paddle.

[0008] In a preferred embodiment of this invention, the two stirring shafts on the left and right sides of the anti-blocking chamber and the end of the front stirring shaft away from the annular shell are rotatably connected to the inner circumference of the anti-blocking chamber. The rear end of the rotating shaft passes through the feed pipe and the anti-blocking chamber and extends into the interior of the rectangular shell, where it is rotatably connected.

[0009] In a preferred embodiment of this invention, the surface of the rotating shaft is rotatably connected to the feed pipe and the rear side of the anti-blocking chamber. The rotating shaft located inside the rectangular shell and the rear side of the stirring shaft located inside the rectangular shell are both fixedly fitted with worm gears. The same worm is meshed with one side of the worm gear.

[0010] In a preferred embodiment of this invention, the worm gear is arranged parallel to the height direction of the anti-blocking chamber, a power motor is fixedly connected to the bottom of the inner wall of the rectangular shell, the output shaft of the power motor is fixedly connected to the bottom of the worm gear, and the top of the worm gear is rotatably connected to the top of the inner wall of the rectangular shell.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model starts the power motor through the controller. After starting, the power motor drives the worm gear to rotate coaxially. When the worm gear rotates synchronously with the power motor, it drives the two worm wheels meshing with the worm gear to rotate synchronously. The stirring shaft located on the inner wall of the upper worm wheel rotates synchronously with the upper worm wheel. When the stirring shaft fixed inside the upper worm wheel rotates, it drives the bevel gear at the front end of the stirring shaft to rotate coaxially. When the bevel gear rotates, it drives the central gear meshing perpendicularly with its bottom to rotate synchronously. Since there are three bevel gears meshing perpendicularly on the left, right and front sides of the top of the central gear, the three stirring shafts on the inner wall of the three bevel gears rotate coaxially with the three bevel gears. At this time, the four stirring shafts rotate synchronously in all directions inside the anti-clogging chamber. The multiple stirring rods fixed on the surface of the four stirring shafts facilitate the dispersing of powder.

[0012] 2. After being broken down, the powder falls into the guide hopper and then into the feed pipe. When the upper worm wheel rotates with the worm, the lower worm wheel also rotates synchronously with the worm. The rotating shaft fixed to the inner wall of the lower worm wheel rotates coaxially with the lower worm wheel. When the rotating shaft rotates with the lower worm wheel, it drives the quantitative feed paddle to rotate inside the feed pipe. The continuously rotating quantitative feed paddle facilitates the quantitative delivery of the powder inside the feed pipe to the bottom of the feed pipe. Attached Figure Description

[0013] Figure 1 This is a three-dimensional drawing of the present invention; Figure 2 This is a schematic diagram of the structure of this utility model; Figure 3 This is a schematic diagram of the rectangular shell structure of this utility model.

[0014] In the diagram: 1. Anti-clogging chamber; 2. Mounting plate; 3. Feed pipe; 4. Annular shell; 401. L-shaped positioning rod; 5. Conical hopper; 6. Central gear; 7. Bevel gear; 8. Stirring shaft; 801. Stirring rod; 9. Rectangular shell; 10. Guide hopper; 11. Quantitative feeding paddle; 12. Rotating shaft; 13. Worm gear; 14. Worm; 15. Power motor; 16. Controller. Detailed Implementation

[0015] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0016] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0017] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0018] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0019] Example 1 Reference Figure 1-3 This is the first embodiment of the present invention, which provides an anti-clogging structure for a powder conveying device, including an annular anti-clogging chamber 1 with an opening at the top, an installation plate 2 fixedly connected to the top of the anti-clogging chamber 1, the top of the installation plate 2 being fixedly connected to the discharge port of the powder conveying device, and a discharge pipe 3 fixedly connected to the bottom of the anti-clogging chamber 1. Furthermore, an annular shell 4 is coaxially arranged above the anti-clogging chamber 1. Multiple L-shaped positioning rods 401 are fixedly connected in a circumferential array on the top of the annular shell 4. The ends of the multiple L-shaped positioning rods 401 away from the annular shell 4 are fixedly connected to the inner circumferential wall of the anti-clogging chamber 1. A conical hopper 5 is fixedly connected above the top of the annular shell 4. Horizontally arranged stirring shafts 8 are rotatably connected to the four sides of the circumferential surface of the annular shell 4. Multiple stirring rods 801 are fixedly connected in a circumferential array on the surface of the four stirring shafts 8. A guide hopper 10 is fixedly connected to the bottom of the anti-clogging chamber 1. The guide hopper 10 is located below the four stirring shafts 8. A vertically arranged discharge pipe 3 is fixedly connected to the bottom of the guide hopper 10. The bottom of the discharge pipe 3 extends to the bottom of the anti-clogging chamber 1 and is fixedly connected thereto. A controller 16 for controlling the entire structure is fixedly connected to the front surface of the anti-clogging chamber 1.

[0020] Specifically, the anti-clogging structure mainly includes an annular anti-clogging chamber 1 with an opening at the top, used to contain and process powder materials discharged from the powder conveying equipment. An installation plate 2 is fixedly connected to the top of the anti-clogging chamber 1, and the upper end of the installation plate 2 is fixedly connected to the discharge port of the powder conveying equipment, thus achieving a stable connection and sealed installation between the entire anti-clogging structure and the upstream equipment. Inside the anti-clogging chamber 1, above it, is an annular shell 4 arranged coaxially. The annular shell 4 is fixed to the inner wall of the anti-clogging chamber 1 by multiple L-shaped positioning rods 401. The L-shaped positioning rods 401 are arranged in a circumferential array, thus stably suspending the annular shell 4 in the central area of ​​the anti-clogging chamber 1, preventing it from shifting or vibrating during operation. A conical hopper 5 is fixedly connected to the top of the annular shell 4. When powder enters this device from the powder conveying equipment through the discharge port, it first falls into the conical hopper 5. The function of the conical hopper 5 is to evenly disperse the concentrated falling powder flow along its inclined surface to the surrounding area, preventing... The powder is directly deposited in the central area, thereby initially improving the flow state of the powder. On the four sides of the circumferential surface of the annular shell 4, four horizontally arranged stirring shafts 8 are rotatably connected. Each stirring shaft 8 has multiple stirring rods 801 fixedly connected in a circumferential array on its surface. The stirring rods 801 actively stir the powder during the falling process in the anti-clogging chamber 1. Especially when the powder is slightly agglomerated or its flowability is reduced due to moisture, static electricity or small particle size, the stirring rods 801 can effectively break up the agglomerates, thereby significantly reducing the risk of clogging. The powder after stirring continues to fall and enters the guide hopper 10 located below the four stirring shafts 8. The bottom of the guide hopper 10 is connected to a vertically arranged discharge pipe 3. The discharge pipe 3 extends downward and passes through the bottom of the anti-clogging chamber 1, and is finally fixedly connected below the bottom surface of the anti-clogging chamber 1, serving as the final discharge channel for the powder. The operation of the entire device is uniformly controlled by the controller 16 located on the front surface of the anti-clogging chamber 1.

[0021] Furthermore, during use, the operator installs the equipment at the discharge port of the powder conveying equipment using the installation plate 2. The powder falls into the anti-clogging chamber 1 through the conveying equipment. The powder is first dispersed to the surrounding area of ​​the anti-clogging chamber 1 through the conical hopper 5. Through the initial dispersion of the conical hopper 5, the active dispersal of the stirring shaft 8 and stirring rod 801, the centralized guidance of the guide hopper 10, and the overall sealed and stable chamber structure of the anti-clogging chamber 1, the problem of clogging caused by moisture, agglomeration, or poor flowability of the powder at the end of the conveying process is effectively solved.

[0022] Example 2 In the second embodiment of this utility model, a central gear 6 is rotatably connected at the center of the bottom of the inner wall of the annular shell 4. Four stirring shafts 8 extend into the interior of the annular shell 4 with one end close to each other and are fixedly fitted with bevel gears 7. The bottom of the four bevel gears 7 is perpendicularly meshed with the top of the central gear 6. The end of the stirring shaft 8 located inside the rear side of the annular shell 4 away from the bevel gear 7 extends to the rear side of the anti-blocking chamber 1 and is fixedly connected to it.

[0023] Furthermore, a rectangular shell 9 is fixedly connected to the rear surface of the anti-clogging chamber 1, and the surface of the rear stirring shaft 8 is rotatably connected to the annular shell 4 and the rear of the anti-clogging chamber 1. A quantitative feeding paddle 11 is rotatably connected inside the feeding pipe 3, and a rotating shaft 12 arranged parallel to the rear stirring shaft 8 is fixedly connected to the inner wall of the quantitative feeding paddle 11.

[0024] Specifically, multiple stirring rods 801 fixed to the surfaces of the four stirring shafts 8 form a surrounding stirring area within the anti-clogging chamber 1, which disperses and loosens the powder falling from the conical hopper 5 in all directions. In particular, it can effectively handle soft lumps formed due to moisture, static electricity, or compression, preventing them from accumulating above the guide hopper 10. At the same time, the rotation of the rotating shaft 12 drives the quantitative feeding paddle 11 to rotate at a constant speed inside the feeding pipe 3. The blade structure of the quantitative feeding paddle 11 can discharge the powder at a constant volume or mass rate, avoiding the flow fluctuation problem caused by traditional free feeding.

[0025] Furthermore, the operator starts the power motor 15 through the controller 16. After starting, the power motor 15 drives the worm gear 14 to rotate coaxially. When the worm gear 14 rotates synchronously with the power motor 15, it drives the two worm wheels 13 meshing with the worm gear 14 to rotate synchronously. The stirring shaft 8 located on the inner wall of the upper worm wheel 13 rotates synchronously with the upper worm wheel 13. When the stirring shaft 8 fixed inside the upper worm wheel 13 rotates, it drives the bevel gear 7 at the front end of the stirring shaft 8 to rotate coaxially. When the bevel gear 7 rotates, it drives the central gear 6 meshing vertically with its bottom to rotate synchronously. Since there are also three bevel gears 7 meshing vertically on the top left and right sides and the front side of the central gear 6, the three stirring shafts 8 on the inner wall of the three bevel gears 7 rotate coaxially with the three bevel gears 7. At this time, the four stirring shafts 8 rotate synchronously in all directions inside the anti-clogging chamber 1. The multiple stirring rods 801 fixed on the surface of the four stirring shafts 8 facilitate the dispersal of the powder.

[0026] Example 3 In the third embodiment of this utility model, the two stirring shafts 8 on the left and right sides of the anti-blocking chamber 1 and the end of the front stirring shaft 8 away from the annular shell 4 are rotatably connected to the inner wall of the circumference of the anti-blocking chamber 1. The rear end of the rotating shaft 12 passes through the feed pipe 3 and the anti-blocking chamber 1 and extends into the interior of the rectangular shell 9 and is rotatably connected to it.

[0027] Furthermore, the surface of the rotating shaft 12 is rotatably connected to the feed pipe 3 and the rear side of the anti-blocking chamber 1. The rotating shaft 12 is located inside the rectangular shell 9 and the rear stirring shaft 8 is located inside the rectangular shell 9. Both the surface of the rotating shaft 12 and the rear stirring shaft 8 are fixedly fitted with a worm gear 13. The same worm 14 is meshed with one side of the worm gear 13.

[0028] Furthermore, the worm gear 14 is arranged parallel to the anti-blocking chamber 1 in the height direction, and a power motor 15 is fixedly connected to the bottom of the inner wall of the rectangular shell 9. The output shaft of the power motor 15 is fixedly connected to the bottom of the worm gear 14, and the top of the worm gear 14 is rotatably connected to the top of the inner wall of the rectangular shell 9.

[0029] Specifically, the rotation of the upper worm gear 13 drives the rear stirring shaft 8 to rotate, which in turn drives the central gear 6 to rotate through the bevel gear 7 at its front end. The central gear 6 then transmits power to the bevel gears 7 in the other three directions, ultimately achieving synchronous operation of the four stirring shafts 8 inside the anti-clogging chamber 1. The stirring rods 801 on the surface of each stirring shaft 8 agitate and disperse the powder falling from the conical hopper 5 in all directions, effectively preventing sticking or clogging caused by moisture, agglomeration, or poor flowability. At the same time, the rotation of the lower worm gear 13 drives the rotating shaft 12 to rotate synchronously, thereby driving the quantitative feeding paddle 11 fixed inside the feeding pipe 3 to rotate continuously. The quantitative feeding paddle 11 can force the powder falling into the feeding pipe 3 to the bottom outlet of the feeding pipe 3 with a relatively constant volume flow rate, realizing continuous, controllable, and preliminary quantitative discharge function, avoiding the problem of uneven discharge or flow caused by free falling.

[0030] Furthermore, the dispersed powder falls into the guide hopper 10 and then into the feed pipe 3. When the upper worm wheel 13 rotates with the worm 14, the lower worm wheel 13 also rotates synchronously with the worm 14. The rotating shaft 12, which is fixed on the inner wall of the lower worm wheel 13, rotates coaxially with the lower worm wheel 13. When the rotating shaft 12 rotates with the lower worm wheel 13, it drives the quantitative feed paddle 11 to rotate inside the feed pipe 3. The continuously rotating quantitative feed paddle 11 facilitates the quantitative delivery of the powder inside the feed pipe 3 to the bottom of the feed pipe 3.

[0031] Working principle: In use, the operator installs the equipment at the discharge port of the powder conveying equipment using the installation plate 2. The powder falls into the anti-clogging chamber 1 through the conveying equipment. The powder is first dispersed to the periphery of the anti-clogging chamber 1 through the conical hopper 5. The operator starts the power motor 15 through the controller 16. After starting, the power motor 15 drives the worm 14 to rotate coaxially. When the worm 14 rotates synchronously with the power motor 15, it drives the two worm wheels 13 meshing with the worm 14 to rotate synchronously. The stirring shaft 8 located on the inner wall of the upper worm wheel 13 rotates synchronously with the upper worm wheel 13. When the stirring shaft 8 fixed inside the upper worm wheel 13 rotates, it drives the bevel gear 7 at the front end of the stirring shaft 8 to rotate coaxially. When the bevel gear 7 rotates, it drives the central gear 6, which meshes vertically with its bottom, to rotate synchronously. Due to the rotation of the central gear 6, the top left and right sides and the front side of the center gear 6 rotate synchronously. Three bevel gears 7 are also vertically meshed. The three stirring shafts 8 on the inner wall of the three bevel gears 7 rotate coaxially with the three bevel gears 7. At this time, the four stirring shafts 8 rotate synchronously in all directions inside the anti-clogging chamber 1. Multiple stirring rods 801 fixed on the surface of the four stirring shafts 8 facilitate the dispersing of powder. The dispersed powder falls into the guide hopper 10 and then into the feed pipe 3. When the upper worm gear 13 rotates with the worm 14, the lower worm gear 13 also rotates synchronously with the worm 14. The rotating shaft 12 fixed on the inner wall of the lower worm gear 13 rotates coaxially with the lower worm gear 13. When the rotating shaft 12 rotates with the lower worm gear 13, it drives the quantitative feed paddle 11 to rotate inside the feed pipe 3. The continuously rotating quantitative feed paddle 11 facilitates the quantitative delivery of powder inside the feed pipe 3 to the bottom of the feed pipe 3.

[0032] In summary: the synchronous rotation of four stirring shafts 8 and surface stirring rods 801 actively agitates and disperses the falling powder, which is especially suitable for powders that are damp, prone to agglomeration, or have poor flowability. The conical hopper 5 guides the concentrated falling powder to the surrounding area evenly, and the annular shell 4 makes the material distribution more uniform and improves the flow stability. The feed pipe 3 is equipped with a quantitative feed paddle 11 driven by the same power source to achieve continuous, stable, and preliminary quantitative discharge, avoiding the problems of uneven discharge or flow caused by free fall.

[0033] The anti-clogging structure of the powder conveying equipment used in this application can be additionally equipped with protective measures of common knowledge in the field under different usage environments, including but not limited to the following methods, such as protective covers for equipment protection, dustproof nets for equipment dust prevention, and sealing components or waterproof coatings for equipment waterproofing, etc., which are commonly used by those skilled in the art.

[0034] It should be noted that (motor, gear, worm gear, controller) are existing devices or equipment, or devices or equipment that can be implemented by existing technology. The power supply, connection method, usage method, power source, fixing method, installation method, control method, etc. of the device, as well as the materials of each accessory and the selection of various parameters are common knowledge to those skilled in the art, and therefore will not be described in detail in this application document.

[0035] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0036] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0037] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An anti-clogging structure for a powder conveying device, comprising an annular anti-clogging chamber (1) with an opening at the top, wherein an installation plate (2) is fixedly connected to the top of the anti-clogging chamber (1), and a discharge pipe (3) is fixedly connected to the bottom of the anti-clogging chamber (1), characterized in that: The anti-clogging chamber (1) is provided with an annular shell (4) coaxially arranged above it. Multiple L-shaped positioning rods (401) are fixedly connected to the top of the annular shell (4) in a circumferential array. The ends of the multiple L-shaped positioning rods (401) away from the annular shell (4) are fixedly connected to the inner wall of the anti-clogging chamber (1). A conical bucket (5) is fixedly connected above the top of the annular shell (4). Horizontally arranged stirring shafts (8) are rotatably connected to the four sides of the circumferential surface of the annular shell (4). Multiple stirring rods (801) are fixedly connected to the four stirring shafts (8) in a circumferential array. A guide hopper (10) is fixedly connected to the bottom of the anti-clogging chamber (1). The guide hopper (10) is located below the four stirring shafts (8). A vertically arranged discharge pipe (3) is fixedly connected to the bottom of the guide hopper (10). The bottom of the discharge pipe (3) extends to the bottom of the anti-clogging chamber (1) and is fixedly connected to it. A controller (16) for controlling the entire structure is fixedly connected to the front surface of the anti-clogging chamber (1).

2. The anti-clogging structure for a powder conveying device according to claim 1, characterized in that: A central gear (6) is rotatably connected at the bottom center of the inner wall of the annular shell (4). The four stirring shafts (8) extend into the interior of the annular shell (4) and are fixedly fitted with bevel gears (7). The bottom of the four bevel gears (7) meshes vertically with the top of the central gear (6). The stirring shaft (8) located on the rear side inside the annular shell (4) extends away from the bevel gears (7) to the rear side outside the anti-blocking chamber (1) and is fixedly connected to it.

3. The anti-clogging structure of a powder conveying device according to claim 2, characterized in that: A rectangular shell (9) is fixedly connected to the rear surface of the anti-blocking chamber (1). The rear surface of the stirring shaft (8) is rotatably connected to the annular shell (4) and the rear side of the anti-blocking chamber (1). A quantitative feeding paddle (11) is rotatably connected inside the feeding pipe (3). A rotating shaft (12) is fixedly connected to the inner wall of the quantitative feeding paddle (11) and is parallel to the stirring shaft (8) on the rear side.

4. The anti-clogging structure of a powder conveying device according to claim 3, characterized in that: The two stirring shafts (8) on the left and right sides of the anti-blocking chamber (1) and the end of the stirring shaft (8) on the front side away from the annular shell (4) are rotatably connected to the inner wall of the circumference of the anti-blocking chamber (1). The rear end of the rotating shaft (12) passes through the feed pipe (3) and the anti-blocking chamber (1) and extends into the interior of the rectangular shell (9) and is rotatably connected to it.

5. The anti-clogging structure of a powder conveying device according to claim 4, characterized in that: The surface of the rotating shaft (12) is rotatably connected to the feed pipe (3) and the rear side of the anti-blocking chamber (1). The rotating shaft (12) is located inside the rectangular shell (9) and the rear side of the stirring shaft (8) is located inside the rectangular shell (9). A worm gear (13) is fixedly sleeved on one end surface. The worm gear (13) is meshed with the same worm (14) on one side.

6. The anti-clogging structure of a powder conveying device according to claim 5, characterized in that: The worm (14) is arranged parallel to the anti-blocking chamber (1) in the height direction. A power motor (15) is fixedly connected to the bottom of the inner wall of the rectangular shell (9). The output shaft of the power motor (15) is fixedly connected to the bottom of the worm (14). The top of the worm (14) is rotatably connected to the top of the inner wall of the rectangular shell (9).

Images