Fragmented powder storage anti-bridging and feeding structure
By using a modularly designed mixing hopper and discharge mechanism, powder bridging is broken, enabling smooth falling of fragmented powder and quantitative feeding. This solves the problems of uneven discharge and high equipment cost in traditional devices, and improves the continuity and ease of maintenance of the production line.
Patent Information
- Application Number
- CN202423071570.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Traditional fragmented powder storage devices are prone to bridging, which can lead to uneven or interrupted material discharge, affecting the continuity of the production line. In addition, the equipment is costly and difficult to maintain.
It adopts a modular design with an upper mixing hopper mechanism and a lower discharging mechanism. It uses a geared motor to drive the transmission shaft and mixing mechanism to break up material bridging, and achieves quantitative feeding through a pushing mechanism. It has a simple structure and is easy to install and maintain.
It enables smooth falling of fragmented powder and continuous and stable discharge, reduces equipment manufacturing and maintenance costs, and improves the operating efficiency of the production line and the adaptability of the equipment.
Smart Images
Figure CN223673364U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of fragment powder storage prevents bridging and feeds, especially to a fragment powder storage prevents bridging and feeds structure. BACKGROUND
[0002] Fragment powder refers to the material with small particles, small bulk density and poor fluidity, which is widely used in film, chemical industry, food, pharmaceutical industry and other industries. Such material usually has strong viscosity or poor fluidity, and is prone to bridging, caking and other problems during storage and conveying, resulting in material blockage or uneven feeding. In order to ensure the continuity and efficiency of the production process, and avoid stagnation or waste, it is necessary to use fragment powder storage and stirring feeding structure. The structure is designed by storage, stirring and quantitative feeding to ensure uniform flow of the material, so as to meet the stable feeding demand of industrial production.
[0003] The traditional fragment powder temporary storage structure is usually used for storing and transferring powdery or granular material in a short time, and is widely used between production lines or processing equipment. The design focus is to ensure that the material remains stable during storage and does not stick or block. Usually, a conical or cylindrical silo is used to convey the powder by gravity or vibration, and a discharge port is provided at the bottom for continuous or intermittent discharge. In order to prevent material deposition or blockage, pneumatic, mechanical vibration or scraper devices are usually provided to ensure the fluidity of the powder and facilitate subsequent processing or transmission. At the same time, the structure has good sealing performance to avoid dust leakage and environmental pollution.
[0004] Generally, the fragment powder storage device is prone to bridging phenomenon due to static electricity, friction and physical properties (such as viscosity and humidity) between materials, which makes the material difficult to discharge smoothly, easily leads to uneven or interrupted material discharge speed, affects the continuity of the production line, and causes frequent downtime processing. Or to prevent bridging and caking of the material, some fragment powder storage devices are designed with complex and large stirring, transmission and feeding mechanisms, which results in high manufacturing cost, high energy consumption, and increases the difficulty of maintenance and maintenance cost. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a fragment powder storage, stirring and feeding structure, which not only improves and solves the problem that the traditional fragment powder temporary storage device is prone to bridging phenomenon, which leads to uneven or interrupted material discharge speed, affects the continuity of the production line, and causes frequent downtime processing, but also has simple mechanical structure, low manufacturing cost, convenient disassembly and maintenance difficulty.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: a fragment powder storage anti-bridging and feeding structure, including two parts of upper part stirring bin mechanism and lower part discharging mechanism, the bin of upper part stirring bin mechanism is provided with straight body material cylinder, the lower part of straight body material cylinder is provided with conical material cylinder, the top of straight body material cylinder is provided with top plate, the top plate is provided with feeding inlet and manhole, the middle upper part of top plate is provided with speed reducer no.
[0007] Further, the bin of the upper part stirring bin mechanism is provided with a straight body material cylinder, the lower part of the straight body material cylinder is provided with a conical material cylinder, the diameter and volume of the straight body material cylinder can be changed according to the actual usage, and the actual demand is adapted; the conical material cylinder is arranged to reduce the outlet size of the bin, which is beneficial to the design of the discharging mechanism, reduces the manufacturing cost of the discharging mechanism, reduces the installation cost and maintenance difficulty of the discharging mechanism, and at the same time, the inner surfaces of the straight body material cylinder and the conical material cylinder are subjected to surface polishing treatment, the friction between the inner surface of the cylinder body and the material is reduced, and the material falls smoothly.
[0008] Further, the top of the straight body material cylinder is provided with a top plate, the top plate is provided with a feeding inlet and a manhole, the top plate and the straight body material cylinder are connected by screws, which is beneficial to installation and maintenance, the top plate is provided with a feeding inlet and a manhole, the feeding inlet is an interface for the material to enter the cylinder, and the manhole facilitates personnel to enter the cylinder to check foreign matters or maintain.
[0009] Further, the middle upper part of the top plate is provided with a speed reducer no. 1, the speed reducer no. 1 is the power source of the stirring mechanism, and is arranged in the middle of the top plate because the cylinder is a hollow cylinder, which is beneficial to the stirring mechanism to rotate around the center of the cylinder, the end of the stirring mechanism can rotate close to the inner wall of the cylinder, and there is no dead angle in the cylinder that cannot be stirred.
[0010] Further, the hollow output hole of the first speed reduction motor is connected and fixed with a transmission shaft, the middle part of the transmission shaft is provided with a bearing, the lower part of the bearing is provided with a sealing ring, the transmission shaft is inserted into the inside of the first speed reduction motor, and the middle part is further positioned and fixed by the bearing, so that the rigidity of the transmission shaft can be improved, and the sealing ring can prevent the lubricating oil or lubricating grease of the first speed reduction motor and the bearing from leaking into the barrel and polluting the material.
[0011] Further, the lower part of the transmission shaft is connected with the stirring mechanism, and the transmission shaft and the stirring mechanism are connected through flanges, so that the strength and rigidity of the connection part of the transmission shaft and the stirring mechanism are improved, the corresponding part of the stirring mechanism and the straight barrel adopts a simple structure of a central spindle plus three to four layers of horizontal arms, the material in the straight barrel part cannot form a bridge, the corresponding part of the stirring mechanism and the conical barrel is provided with the central spindle plus three to four layers of horizontal arms, the length of the horizontal arms should be shortened along with the decrease of the radius of the conical section, the outer ends of the horizontal arms in the same plane are connected by flat materials, and a linear stirring paddle parallel to the inclined surface of the conical barrel is formed, the bridging of the material in the barrel is mainly caused by the arch bridge formed by the material in the conical barrel part, and the linear stirring paddle parallel to the inclined surface of the conical barrel can completely break the arch bridge during rotation, so that the bridging of the material is broken, the smooth falling of the material is ensured, the horizontal arms of the stirring mechanism are symmetrically distributed, the force acting on the stirring mechanism in each direction is symmetrical, the spindle is prevented from being bent, the extension of the horizontal arms and the linear stirring paddle are close to the inner wall of the barrel as far as possible but cannot touch each other, and the stirring effect is ensured.
[0012] Further, the lower barrel is connected and fixed at the lower part of the conical barrel of the upper stirring bin mechanism, the lower barrel adopts an upper inverted conical barrel and a lower straight barrel structure, the upper inverted conical barrel is matched with the size of the conical barrel of the lower part of the anti-bridging stirring bin mechanism, the material in the inverted conical mechanism cannot form a bridge, and the lower straight barrel structure is matched with the pushing mechanism of the lower discharging mechanism, the lower barrel is connected with the conical barrel of the upper stirring bin mechanism in the form of flanges through screws, the disassembly and assembly of the lower barrel are facilitated, and the processing and maintenance difficulty is reduced.
[0013] Further, the bottom plate is provided at the bottom of the lower barrel, and provides a mounting base for the pushing mechanism and a pushing working plane required by the pushing mechanism.
[0014] Further, the bottom plate is provided with one or two discharging ports, the discharging ports can be provided with different sizes and numbers of one or two or even more to meet the discharging capacity.
[0015] Further, the bottom plate is provided with a second speed reduction motor at the middle part below, the second speed reduction motor is controlled and adjusted in rotation speed by a frequency converter to adjust and meet different discharging speed requirements.
[0016] Further, the hollow output hole of the second speed reducer is fixedly connected with a transmission shaft two, a bearing two is arranged in the middle of the transmission shaft two, and a sealing ring two is arranged above the bearing two; the transmission shaft two is inserted into the inside of the second speed reducer, and the middle is positioned and fixed by the bearing two, so that the rigidity of the transmission shaft two is improved, and the sealing ring two is arranged to avoid the leakage of lubricating oil or lubricating grease of the second speed reducer and the bearing two into the barrel to pollute the material.
[0017] Further, the transmission shaft two is fixed with the pushing mechanism, the blades of the pushing mechanism adopt inclined surface structures and are left-right symmetrical, and the rotation direction of the pushing mechanism ensures that the blades of the pushing mechanism lift the material upwards when pushing and stirring the material, instead of extruding the material downwards, so that the blades of the pushing mechanism do not extrude the material more and more tightly, and even do not make the material melt and agglomerate; the material is pushed to the discharge port by the blades of the pushing mechanism, if the discharge port is full of the material, the blades of the pushing mechanism only push and stir the material on the discharge port, and do not affect the falling of the material in the discharge port; the rotation speed of the blades of the pushing mechanism is different, the pushing and stirring speed of the blades of the pushing mechanism is different, so that the discharge amount is adjusted; the outer edge of the blades of the pushing mechanism is close to the inner wall of the straight body position of the lower barrel as much as possible, but cannot touch, so that there is no residual material in the lower barrel.
[0018] The utility model has the advantages of the following beneficial effects:
[0019] 1. In the utility model, first, the transmission shaft and the stirring structure are driven to rotate by the first speed reducer, the material is rotated and stirred, the arch bridge formed by the broken piece material in the barrel is destroyed, and the smooth falling of the material is ensured; then the pushing mechanism is driven by the second speed reducer to push and stir the material to discharge from the discharge port, the downstream equipment is supplied with the material, and the adjustable quantitative feeding is realized by adjusting the rotating speed of the second speed reducer. The above measures solve the problems of uneven or interrupted discharging of the broken piece powder due to the arch bridge of the material, affect the continuity of the production line, and cause frequent shutdown, so that the broken piece powder is ensured to fall without accumulation or residue, and the discharging is smooth, continuous and stable.
[0020] 2. In the utility model, modular design is adopted, the barrel of the upper part realizes the material arch bridge storage function, the volume and the outer dimension can be designed individually according to the actual demand, the compatibility is good, the lower part realizes the adjustable quantitative feeding function, and the structure design is standardized.
[0021] 3. In the utility model, the barrel is divided into upper and lower parts, so that the barrel, the stirring mechanism, the pushing mechanism, the driving mechanism and the transmission mechanism of the upper and lower parts are simple in structure, low in machining precision requirement, convenient to manufacture, low in machining and assembling cost, and low in equipment manufacturing cost, maintenance difficulty and maintenance cost.
[0022] 4、The utility model discloses, each component adopts screw connection, and setted up manhole etc., spare part assembly, the convenient maintenance, the production cost is low, and the maintenance cost is low, and equipment failure handling and cleaning maintenance are more efficient, reduce production downtime, improve the operation efficiency of production line. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 A kind of fragment powder storage anti-bridging and feeding structure's three-dimensional structure schematic view is proposed for the utility model.
[0024] Legend:
[0025] 1, stirring bin mechanism;1.1, straight body barrel;1.2, conical barrel;1.3, top plate;1.4, inlet;1.5, manhole;1.6, speed reducer motor one;1.7, transmission shaft one;1.8, bearing one;1.9, sealing ring one;1.10, stirring mechanism;
[0026] 2, discharge mechanism;2.1, lower cylinder;2.2, bottom plate;2.3, discharge port;2.4, speed reducer motor two;2.5, transmission shaft two;2.6, bearing two;2.7, sealing ring two;2.8, pusher mechanism. DETAILED DESCRIPTION
[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.
[0028] Reference Figure 1The utility model provides a kind of embodiment: a kind of fragment powder storage prevents bridging and structure of feeding, including upper part stirring bin mechanism 1 and lower part discharge mechanism 2 two parts, the bin of upper part stirring bin mechanism 1 is provided with straight body material cylinder 1.1, the lower part of straight body material cylinder 1.1 is provided with conical material cylinder 1.2, straight body material cylinder 1.1 and conical material cylinder 1.2 are formed using sheet metal roll welding;The top of straight body material cylinder 1.1 is provided with top plate 1.3, straight body material cylinder 1.1 top is designed flange, and top plate 1.3 is connected using screw, middle adds sealing ring, guarantee the airtightness of material cylinder;Top plate 1.3 is provided with inlet 1.4 and manhole 1.5, the upper part of top plate 1.3 is provided with speed reducer one 1.6, the motor base of speed reducer one 1.6 is connected using screw with top plate 1.3, while guaranteeing the concentricity of the center line of speed reducer one 1.6 output, motor base center line and the center line of top plate 1.3, to guarantee the strength and rigidity of top plate 1.3, need increase reinforcing crossbeam etc. on top plate 1.3;The hollow output hole of speed reducer one 1.6 is connected with fixed transmission shaft one 1.7, the middle part of transmission shaft one 1.7 is provided with bearing one 1.8, the lower part of bearing one 1.8 is provided with sealing ring one 1.9, the hollow output hole of speed reducer one 1.6 and bearing one 1.8 are fixed and power output to transmission shaft one 1.7, sealing ring one 1.9 prevents the lubricating oil and lubricating grease of speed reducer one 1.6 and bearing one 1.8 from seeping into material cylinder along transmission shaft one 1.7;Transmission shaft one 1.7 is connected with stirring mechanism 1.10 below, and stirring mechanism 1.10 is connected using flange with transmission shaft one 1.7, to improve the strength and rigidity of their junctions.
[0029] The lower discharge mechanism 2 is provided with a lower cylinder 2.1 connected and fixed at the lower part of the conical cylinder 1.2 of the upper stirring discharge mechanism 2, the bottom of the lower cylinder 2.1 is provided with a bottom plate 2.2, the bottom plate 2.2 is provided with one or two discharge ports 2.3, the bottom plate 2.2 is provided with a speed reducer two 2.4 below the middle, the hollow output hole of the speed reducer two 2.4 is provided with a transmission shaft two 2.5, the middle of the transmission shaft two 2.5 is provided with a bearing two 2.6, the bearing two 2.6 is provided with a sealing ring two 2.7 above, the transmission shaft two 2.5 is fixed with a pushing mechanism 2.8 above, the pushing mechanism 2.8 can push the material to flow out of the discharge port 2.3. The lower cylinder 2.1 adopts an inverted cone structure on the top and a straight cylinder structure on the bottom, the inverted cone structure is used to adapt to the size of the lower conical cylinder 1.2 of the stirring bin mechanism 1, the material in the inverted cone mechanism will not bridge, and the straight cylinder structure on the bottom is used to adapt to the pushing mechanism 2.8 of the lower discharge mechanism 2. The lower cylinder 2.1 is connected with the lower flange of the conical cylinder 1.2 of the upper stirring bin mechanism 1 by screws in the form of flanges, which facilitates the disassembly and assembly of the lower cylinder 2.1 and reduces the difficulty of processing and maintenance. The flange connection between the lower cylinder 2.1 and the conical cylinder 1.2 is provided with a sealing ring to ensure the sealing of the equipment. The bottom plate 2.2 is provided at the bottom of the lower cylinder 2.1, which provides a mounting basis for the pushing mechanism 2.8 and a pushing plane required by the pushing mechanism 2.8. The bottom plate 2.2 and the lower cylinder 2.1 are also connected by screws in the form of flanges, which facilitates the disassembly and assembly, and the flange is provided with a sealing ring in the middle to ensure the sealing of the cylinder. The bottom plate 2.2 is provided with one or two discharge ports 2.3, which can be of different sizes and numbers according to the requirements to meet the discharge capacity. The bottom plate 2.2 is provided with a speed reducer two 2.4 below the middle, which can be controlled by a frequency converter to adjust the rotating speed of the pushing mechanism 2.8 and meet the requirements of different discharge speeds. The hollow output hole of the speed reducer two 2.4 is fixedly connected with a transmission shaft two 2.5, the middle of the transmission shaft two 2.5 is provided with a bearing two 2.6, and the bearing two 2.6 is provided with a sealing ring two 2.7 above. The transmission shaft two 2.5 is inserted into the speed reducer two 2.4, and the bearing two 2.6 is positioned and fixed in the middle to improve the rigidity of the transmission shaft two 2.5. The sealing ring two 2.7 can prevent the lubricating oil or grease of the speed reducer two 2.4 and the bearing two 2.6 from leaking into the cylinder and contaminating the material. The pushing mechanism 2.8 is fixed above the transmission shaft two 2.5, the blades of the pushing mechanism 2.8 adopt an inclined surface structure and are symmetrical left and right. The rotating direction of the pushing mechanism 2.8 ensures that the blades of the pushing mechanism 2.8 lift the material upwards when pushing and pushing the material, rather than pressing the material downwards, which avoids the material being pressed more tightly by the rotating blades and even being melted and caked.The material is pushed to the discharge port by the blades of the pushing mechanism 2.8, and if the discharge port is full of material, the blades of the pushing mechanism 2.8 only push away the material on the discharge port, without affecting the falling of the material in the discharge port. The rotating speed of the blades of the pushing mechanism 2.8 is different, and the speed of pushing the material by the blades of the pushing mechanism 2.8 is different, so that the discharge amount is adjusted. The outer edge of the blade of the pushing mechanism 2.8 is close to the inner wall of the straight part of the lower cylinder 2.1, but cannot touch, so that there is no residual material in the lower cylinder 2.1.
[0030] Working principle: the working process of the fragment powder storage anti-arching and feeding structure is that when the material enters the inside of the stirring bin mechanism 1 through the inlet 1.4, the speed reducer one 1.6 drives the transmission shaft one 1.7 to rotate, the transmission shaft one 1.7 drives the stirring mechanism 1.10 to rotate around the center of the stirring bin mechanism 1, and the material in the stirring bin mechanism 1 is stirred, so that the arching of the material in the cylinder is continuously destroyed, and the material falls into the cylinder of the discharging mechanism 2. In this process, because the stirring mechanism 1.10 is closely attached to the inner wall of the cylinder, the material in the cylinder can be stirred without dead angle, and the residual material is prevented.
[0031] After the material falls into the inside of the lower discharging mechanism 2, the speed reducer two 2.4 drives the transmission shaft two 2.5 to rotate, the transmission shaft two 2.5 drives the pushing mechanism 2.8 to rotate around the center of the discharging mechanism 2, and the material is pushed to the discharge port 2.3, so that the material is supplied to the downstream. In this process, because the pushing mechanism 2.8 is closely attached to the inner wall of the cylinder, the material can be completely pushed to the discharge port 2.3, so that the residual material is avoided, and at the same time, the pushing capacity of the pushing mechanism 2.8 can be adjusted by adjusting the rotating speed of the speed reducer two 2.4, so that the quantitative conveying of the material is realized.
[0032] In addition, the structure of the utility model adopts a modular design, the stirring bin mechanism 1 and the discharging mechanism 2 can be disassembled and assembled, the adaptability of the structure is increased, the respective shape sizes and equipment parameters can be adjusted to adapt to different application scenes. The stirring bin mechanism 1 and the discharging mechanism 2 are simple in structure, and the top plate 1.3, the transmission shaft one 1.7, the stirring mechanism 1.10, the bottom plate 2.2, the transmission shaft two 2.5 and the pushing mechanism 2.8 can be disassembled, so that the processing, installation and maintenance difficulty is reduced, the equipment manufacturing cost and the maintenance cost are reduced, and the operation stability and reliability of the equipment are improved.
[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A structure for preventing bridging and feeding of a bulk material, comprising two parts, an upper mixing bin mechanism (1) and a lower discharge mechanism (2), characterized in that: The upper stirring bin mechanism (1) is provided with a straight cylinder (1.1), the lower part of the straight cylinder (1.1) is provided with a conical cylinder (1.2), the top of the straight cylinder (1.1) is provided with a top plate (1.3), the top plate (1.3) is provided with a feeding port (1.4) and a manhole (1.5), the middle upper part of the top plate (1.3) is provided with a speed reducer one (1.6), the hollow output hole of the speed reducer one (1.6) is connected and fixed with a transmission shaft one (1.7), the middle part of the transmission shaft one (1.7) is provided with a bearing one (1.8), the lower part of the bearing one (1.8) is provided with a sealing ring one (1.9), the lower part of the transmission shaft one (1.7) is connected with a stirring mechanism (1.10), the stirring mechanism (1.10) plays a role of destroying the material arching; the lower part of the conical cylinder (1.2) of the upper stirring bin mechanism (1) is provided with a lower cylinder (2.1), the lower cylinder (2.1) is connected and fixed, the bottom of the lower cylinder (2.1) is provided with a bottom plate (2.2), the bottom plate (2.2) is provided with one or two discharge ports (2.3), the lower middle part of the bottom plate (2.2) is provided with a speed reducer two (2.4), the hollow output hole of the speed reducer two (2.4) is fixedly connected with a transmission shaft two (2.5), the middle part of the transmission shaft two (2.5) is provided with a bearing two (2.6), the upper part of the bearing two (2.6) is provided with a sealing ring two (2.7), the upper part of the transmission shaft two (2.5) is connected and fixed with a pushing mechanism (2.8), the pushing mechanism (2.8) can push the material, so that the material flows out of the discharge port (2.3).
2. A bridging and feed structure for the storage of a particulate material as claimed in claim 1 wherein: The upper stirring bin mechanism (1) is provided with a straight cylinder (1.1), the lower part of the straight cylinder (1.1) is provided with a conical cylinder (1.2); the conical cylinder (1.2) can reduce the size of the outlet of the bin, and the inner surfaces of the straight cylinder (1.1) and the conical cylinder (1.2) are subjected to surface polishing treatment.
3. A bridging and feed structure for the storage of a particulate material as claimed in claim 1 wherein: The top of the straight cylinder (1.1) is provided with a top plate (1.3), the top plate (1.3) is provided with a feeding port (1.4) and a manhole (1.5), the top plate (1.3) is connected with the straight cylinder (1.1) by screws, the top plate (1.3) is provided with a feeding port (1.4) and a manhole (1.5), the feeding port (1.4) is an interface for the material to enter the cylinder, and the manhole (1.5) facilitates personnel to enter the cylinder for checking foreign matters or maintenance.
4. A bridging and feed structure for a bulk powder storage according to claim 1, wherein: The top plate (1.3) is provided with a speed reducer (1.6) in the middle upper part, which is the power source of the stirring mechanism (1.10) and is arranged in the middle of the top plate (1.3). The end of the stirring mechanism (1.10) can rotate close to the inner wall of the barrel. There is no dead angle in the barrel that cannot be stirred. The hollow output hole of the speed reducer (1.6) is connected and fixed with a transmission shaft (1.7). The middle part of the transmission shaft (1.7) is provided with a bearing (1.8). The lower part of the bearing (1.8) is provided with a sealing ring (1.9). The transmission shaft (1.7) is inserted into the inside of the speed reducer (1.6). The middle part is positioned and fixed by the bearing (1.8), which can improve the rigidity of the transmission shaft (1.7). The sealing ring (1.9) can prevent the lubricating oil or grease of the speed reducer (1.6) and the bearing (1.8) from leaking into the barrel and polluting the material.
5. A bridging and feed structure for the storage of a particulate material as defined in claim 1, wherein: The lower part of the transmission shaft (1.7) is connected with the stirring mechanism (1.10). The transmission shaft (1.7) and the stirring mechanism (1.10) are connected by flanges, which improves the strength and rigidity of the connection between the transmission shaft (1.7) and the stirring mechanism (1.10). The stirring mechanism (1.10) and the corresponding part of the straight barrel (1.1) adopt a simple structure of a central spindle plus three to four layers of horizontal arms. The corresponding part of the stirring mechanism (1.10) and the conical barrel (1.2) has a central spindle plus three to four layers of horizontal arms. The length of the horizontal arm should be shortened as the radius of the conical section decreases. At the same time, the outer ends of the horizontal arms on the same plane are connected by flat materials to form linear stirring paddles parallel to the inclined surface of the cone. The horizontal arms of the stirring mechanism (1.10) are symmetrically distributed, so that the stirring mechanism (1.10) is symmetrically stressed in all directions, avoiding bending of the spindle. The extension of the horizontal arm and the linear stirring paddle are as close as possible to the inner wall of the barrel without touching, which ensures the stirring effect.
6. A bridging and feed structure for the storage of a particulate material as defined in claim 1, wherein: The lower discharge mechanism (2) is provided with a lower cylinder (2.1) which is connected and fixed at the lower part of the conical barrel (1.2) of the upper stirring bin mechanism (1). The lower cylinder (2.1) adopts an inverted conical structure at the upper part and a straight cylinder structure at the lower part. The inverted conical structure at the upper part is adapted to the size of the conical barrel (1.2) at the lower part of the anti-arching stirring bin mechanism (1). The inverted conical mechanism can prevent the material from arching. The straight cylinder structure at the lower part is adapted to the pushing mechanism (2.8) of the lower discharge mechanism (2). The lower cylinder (2.1) is connected with the conical barrel (1.2) of the upper stirring bin mechanism (1) by flanges and screws, which facilitates the disassembly and assembly of the lower cylinder (2.1) and reduces the processing and maintenance difficulty.
7. A bridging and feed structure for the storage of a bulk powder material as defined in claim 1, wherein: The bottom of the lower cylinder (2.1) is provided with a bottom plate (2.2) which provides the installation basis for the pushing mechanism (2.8) and the required pushing working plane of the pushing mechanism (2.8). The bottom plate (2.2) is provided with not less than one discharge port (2.3).
8. A bridging and feed structure for a bulk powder storage according to claim 1, wherein: The bottom plate (2.2) is provided with a speed reducer two (2.4) in the middle, the speed reducer two (2.4) is controlled by a frequency converter to adjust the rotating speed of the pushing mechanism (2.8), and different discharging speed requirements are adjusted and satisfied.
9. A bridging and feed structure for the storage of a particulate material as defined in claim 1, wherein: The hollow output hole of the speed reducer two (2.4) is fixedly connected with a transmission shaft two (2.5), the transmission shaft two (2.5) is inserted into the speed reducer two (2.4), and the middle is positioned and fixed by a bearing two (2.6), so that the rigidity of the transmission shaft two (2.5) can be improved, the sealing ring two (2.7) is arranged, and the lubricating oil or lubricating grease of the speed reducer two (2.4) and the bearing two (2.6) can be prevented from leaking into the barrel to pollute the material.
10. A bridging and feed structure for the storage of a particulate material as defined in claim 1, wherein: The pushing mechanism (2.8) is fixed on the transmission shaft two (2.5), the blades of the pushing mechanism (2.8) adopt an inclined surface structure and are left-right symmetrical, the rotating direction of the pushing mechanism (2.8) ensures that the blades of the pushing mechanism (2.8) lift the material upward when pushing and pushing the material, the rotating speed of the blades of the pushing mechanism (2.8) is different, the speed of the blades of the pushing mechanism (2.8) pushing and pushing the material is different, so that the adjustment of the discharging amount is realized, the outer edge of the blades of the pushing mechanism (2.8) is as close as possible to the inner wall of the straight body position of the lower barrel (2.1), but cannot touch, so that no residual material is ensured in the lower barrel (2.1).