Powder pneumatic conveying device
Patent Information
- Application Number
- CN202522478605.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-22
- Publication Date
- 2026-09-25
- Estimated Expiration
- 2035-11-22
AI Technical Summary
[0003]现有的气力输送装置在使用时，常常会遇到物料在输送管道内堆积，进而造成堵塞的情况发生，不仅导致出现粉体输送不顺畅的原因，还需要工作人员手动去疏通堵塞的管道，加大工作强度的同时，效率也较低，为此，本发明人提出了一种粉体气力输送装置，以解决上述提出的技术问题
[0010]与现有技术相比，本实用新型的有益效果是：通过铲粉板和控制气缸的设置，当粉体管道内出现粉体堆积的情况，导致风机吹出的气流无法有效的吹散堆积粉体时，则可以开启控制气缸，控制气缸会带动铲粉板朝向堆积在安装管，即粉体堆积方向的位置进行往复直线运动，铲动堆积粉体，对堆积的粉体进行松动和疏松粉体的效果，无需工作人员手动去处理堆积的粉体，减少工作强度的同时也加快了工作效率。
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Figure CN224798038U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of powder production and processing equipment, and in particular to a powder pneumatic conveying device. Background Technology
[0002] Powder pneumatic conveying equipment is an industrial device that uses gas (usually compressed air) as the conveying medium to transport powdery or granular materials over long distances continuously and efficiently in closed pipelines. It is widely used in industries such as chemical, food, pharmaceutical, building materials, power, and metallurgy to convey dry bulk materials such as cement, coal powder, flour, plastic granules, pharmaceutical powder, and silicon powder. The basic principle is to utilize the kinetic energy or pressure difference generated by the airflow in the pipeline to move the powder particles along the pipeline.
[0003] Existing pneumatic conveying devices often encounter situations where materials accumulate in the conveying pipeline, causing blockages. This not only leads to uneven powder conveying but also requires manual clearing of the blocked pipelines, increasing workload and reducing efficiency. To address these issues, the inventors have proposed a powder pneumatic conveying device to solve the aforementioned technical problems. Utility Model Content
[0004] The purpose of this utility model is achieved through the following means: a powder pneumatic conveying device, including a powder conveying pipe, a powder inlet assembly, a powder shoveling assembly, and a storage tank. The storage tank is installed at one end of the powder conveying pipe. The powder inlet assembly is located at the end of the outer circumference of the powder conveying pipe away from the storage tank. The powder shoveling assembly includes an upper guide plate, a powder shoveling plate, and a lower guide plate. The upper guide plate is installed at the top of the inner side of the powder conveying pipe away from the storage tank. The lower guide plate is installed at the bottom of the inner side of the powder conveying pipe near the upper guide plate. The powder shoveling plate is movably arranged on the side of the lower guide plate near the powder inlet assembly. An extension plate is provided at the end of the lower guide plate near the powder shoveling plate. A receiving groove matching the extension plate is provided at the middle part of the powder shoveling plate near the extension plate. A powder collection groove is opened on the top surface of the powder shoveling plate near the end of the lower guide plate. A control column is provided on the bottom surface of the powder shoveling plate. The control column extends in a conductive direction toward the bottom of the outer side of the powder conveying pipe. A control cylinder is installed on the bottom outer side of the powder conveying pipe near the control column. The output rod of the control cylinder is connected to the control column.
[0005] In a further embodiment of the above description, a movable groove is provided on the bottom surface of the outer side of the powder feeding pipe near the control column. The movable groove is connected to the inner side of the powder feeding pipe. One end of the movable groove extends towards the powder inlet assembly. A converging baffle is provided at the end of the upper guide plate near the powder inlet assembly. The top and bottom surfaces of the converging baffle are both inclined surfaces, and the inclined surfaces are both inclined downward towards the installation pipe end. Flow ports are provided at both ends of the powder feeding pipe. A fan is connected to the flow port at the end of the powder feeding pipe away from the storage tank.
[0006] In a further embodiment of the above description, an installation pipe is provided on the top surface of the powder feeding pipe near the powder inlet assembly. The installation pipe is connected to the powder feeding pipe, and the powder inlet assembly is connected to the installation pipe. The powder inlet assembly includes a powder inlet funnel and a stirring shaft. The powder inlet funnel is fixed on the top surface of the installation pipe, and the stirring shaft is rotatably disposed in the middle of the powder inlet funnel.
[0007] In a further embodiment of the above description, the top of the powder inlet funnel is provided with a support plate connected to the stirring shaft near the top of the funnel. The middle of the mounting tube is provided with a support frame connected to the stirring shaft near the middle of the funnel. A drive motor is installed on the top surface of the support plate. The drive motor rotates synchronously with the stirring shaft. A cover is provided on the top of the powder inlet funnel. A clearance position is provided on the bottom surface of the cover near the drive motor. Powder inlets are provided at both ends of the top surface of the cover. The powder inlets are connected to the powder inlet funnel.
[0008] In the above description, as a further embodiment, a powder loosening component is provided on the bottom surface of the powder feeding pipe near the installation pipe. The powder loosening component includes a rotating crankshaft, a movable connecting rod, and a striking block. The rotating crankshaft is rotatably disposed on the bottom surface of the powder feeding pipe. An eccentric shaft section is distributed on the rotating crankshaft. The movable connecting rod is installed on the eccentric shaft section and is rotatably connected to the eccentric shaft section.
[0009] In a further embodiment of the above description, both ends of the rotating crankshaft are connected to the bottom surface of the powder feeding pipe via mounting bases. A guide block is provided on the bottom surface of the powder feeding pipe near the mounting base. A guide hole matching the striking block is opened in the middle of the guide block. The striking block is movably mounted in the guide hole. The end of the movable connecting rod away from the eccentric shaft section is oscillatingly connected to the bottom surface of the striking block. A control motor is provided on one side of the mounting base, and the output shaft of the control motor is connected to the rotating crankshaft.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: By setting up the powder shovel plate and the control cylinder, when powder accumulates in the powder pipeline, causing the airflow blown by the fan to be unable to effectively disperse the accumulated powder, the control cylinder can be activated. The control cylinder will drive the powder shovel plate to move back and forth in a straight line towards the position where the powder is accumulated in the installation pipe, i.e., the direction of powder accumulation, to shovel the accumulated powder and loosen and disperse the accumulated powder. There is no need for workers to manually handle the accumulated powder, which reduces the workload and speeds up the work. Attached Figure Description
[0011] Figure 1 This is a three-dimensional structural schematic diagram of a powder pneumatic conveying device according to the present invention; Figure 2 This is a schematic diagram of the internal structure of a powder pneumatic conveying device according to this utility model; Figure 3 This is an exploded structural diagram of the powder feeding component in a powder pneumatic conveying device according to this utility model. Figure 4 This is an exploded structural diagram of the powder loosening component in a powder pneumatic conveying device of this utility model; Figure 5 This is a utility model Figure 2 A partially enlarged schematic diagram of structure A in the middle; In the diagram: 1-Powder delivery pipe, 2-Storage tank, 3-Upper guide plate, 4-Powder scraping plate, 5-Lower guide plate; 6-Extension plate, 7-Receiving tank, 8-Powder collection tank, 9-Control column, 10-Control cylinder, 11-Moving tank; 12-Collapsing baffle, 13-Flow port, 14-Installation pipe, 15-Powder inlet funnel, 16-Stirring shaft; 17-Support plate, 18-Support frame, 19-Drive motor, 20-Shield cover, 21-Avoidance space; 22-Powder inlet, 23-Rotating crankshaft, 24-Modible connecting rod, 25-Striking block, 26-Eccentric shaft section; 27-Mounting base, 28-Guide block, 29-Guide hole, 30-Control motor, 31-Fan. Detailed Implementation
[0012] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0013] For this embodiment, please refer to Figures 1-5 The specific implementation of this powder pneumatic conveying device includes a powder feeding pipe 1, a powder inlet assembly, a powder shoveling assembly, and a storage tank 2. The storage tank 2 is installed at one end of the powder feeding pipe 1. The powder inlet assembly is located on the outer surface of the powder feeding pipe 1 at the end away from the storage tank 2. The powder shoveling assembly includes an upper guide plate 3, a powder shoveling plate 4, and a lower guide plate 5. The upper guide plate 3 is installed on the top inner side of the powder feeding pipe 1 at the end away from the storage tank 2. The lower guide plate 5 is installed on the bottom inner side of the powder feeding pipe 1 at the end near the upper guide plate 3. The powder shoveling plate 4 is movably mounted on the lower guide plate 5. On one side near the powder feeding assembly, the lower guide plate 5 is provided with an extension plate 6 near the end of the powder scraping plate 4. The middle part of the powder scraping plate 4 is provided with a receiving groove 7 that matches the extension plate 6. The top surface of the powder scraping plate 4 is provided with a powder collecting groove 8 near the end of the lower guide plate 5. The bottom surface of the powder scraping plate 4 is provided with a control column 9. The control column 9 extends in the direction of the bottom of the outer side of the powder feeding pipe 1. A control cylinder 10 is installed on the bottom side of the outer side of the powder feeding pipe 1 near the control column 9. The output rod of the control cylinder 10 is connected to the control column 9. The outer side bottom surface of the powder feeding pipe 1 is provided with a movable groove 11 near the control column 9. The movable groove 11 is connected to the inner side of the powder feeding pipe 1. One end of the movable groove 11 extends towards the powder feeding component. The upper guide plate 3 is provided with a converging baffle 12 near the powder feeding component. The top and bottom surfaces of the converging baffle 12 are both inclined surfaces, and the inclined surfaces are both inclined downward towards the installation pipe 14. Both ends of the powder feeding pipe 1 are provided with flow ports 13. A fan 31 is connected to the flow port 13 at the end of the powder feeding pipe 1 away from the storage tank 2. Specifically, when powder accumulates in the area near the installation pipe 14 inside the powder delivery pipe 1, the operator can turn on the blower 31 and the control cylinder 10 at the same time. The push rod of the control cylinder 10 drives the control column 9 and the powder scraper 4 to reciprocate in the direction of the accumulated powder, thereby loosening the accumulated powder. The loosened powder will be transported to the storage tank 2 along the powder delivery pipe 1 by the airflow output by the blower 31.
[0014] The powder feeding pipe 1 has an installation pipe 14 located on its top surface near the powder feeding assembly. The installation pipe 14 is connected to the powder feeding pipe 1. The powder feeding assembly is connected to the installation pipe 14. The powder feeding assembly includes a powder feeding funnel 15 and a stirring shaft 16. The powder feeding funnel 15 is fixed on the top surface of the installation pipe 14, and the stirring shaft 16 is rotatably disposed in the middle of the powder feeding funnel 15.
[0015] The top of the powder inlet funnel 15 is provided with a support plate 17 connected to the stirring shaft 16 near the stirring shaft 16. The middle part of the mounting tube 14 is provided with a support frame 18 connected to the stirring shaft 16 near the stirring shaft 16. A drive motor 19 is installed on the top surface of the support plate 17. The drive motor 19 rotates synchronously with the stirring shaft 16. A cover 20 is provided on the top of the powder inlet funnel 15. A clearance position 21 is provided in the middle of the bottom surface of the cover 20 near the drive motor 19. Powder inlets 22 are provided at both ends of the top surface of the cover 20. The powder inlets 22 are connected to the powder inlet funnel 15. Specifically, when the powder is poured onto the shielding cover 20, since the shielding cover 20 has powder inlets 22 on both sides and the powder inlets 22 are connected to the powder inlet funnel 15, and the bottom surface of the shielding cover 20 has a clearance position 21, the shielding cover 20 can effectively prevent the powder from directly contacting the drive motor 19 when the powder is poured in, and prevent the powder from affecting the normal operation of the drive motor 19. Furthermore, when the powder enters the powder inlet 22 into the powder inlet funnel 15, the drive motor 19 will drive the stirring shaft 16 to rotate. At the same time, the stirring blades on the stirring shaft 16 will stir the powder being poured in, making it easier for the powder to quickly enter the powder delivery pipe 1. A powder loosening component is provided on the bottom surface of the powder feeding pipe 1 near the mounting pipe 14. The powder loosening component includes a rotating crankshaft 23, a movable connecting rod 24, and a striking block 25. The rotating crankshaft 23 is rotatably disposed on the bottom surface of the powder feeding pipe 1. An eccentric shaft section 26 is distributed on the rotating crankshaft 23. The movable connecting rod 24 is mounted on the eccentric shaft section 26 and is rotatably connected to the eccentric shaft section 26. Both ends of the rotating crankshaft 23 are connected to the bottom surface of the powder feeding pipe 1 through the mounting base 27. A guide block 28 is provided on the bottom surface of the powder feeding pipe 1 near the mounting base 27. A guide hole 29 matching the striking block 25 is opened in the middle of the guide block 28. The striking block 25 is movably disposed in the guide hole 29. The end of the movable connecting rod 24 away from the eccentric shaft section 26 is oscillatingly connected to the bottom surface of the striking block 25. A control motor 30 is provided on one side of the mounting base 27. The output shaft of the control motor 30 is connected to the rotating crankshaft 23. Specifically, when the powder is shoveled to one side by the reciprocating motion of the shovel plate 4, some powder that was compacted during the accumulation process will still remain. At this time, the control motor 30 is turned on, and the output shaft of the control motor 30 drives the crankshaft 23 to rotate synchronously. The crankshaft 23 then drives the striking block 25 to move up and down in the guide hole 29 through the movable connecting rod 24. At this time, the striking block 25 will strike the outer wall of the powder feeding pipe 1 according to a certain pattern. The striking force is transmitted to the powder inside the powder feeding pipe 1, thereby achieving the effect of loosening the powder.
[0016] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0017] Furthermore, in the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0018] Finally, it should be noted that the above embodiments are merely specific implementations of this utility model, used to illustrate the technical solution of this utility model, and not to limit it. The protection scope of this utility model is not limited thereto. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can still modify or easily conceive of changes to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features, within the technical scope disclosed in this utility model. These modifications, changes, or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.
Claims
1. A powder pneumatic conveying device, comprising a powder feeding pipe, a powder infeed assembly, a powder shoveling assembly, and a storage tank, wherein the storage tank is installed at one end of the powder feeding pipe, and the powder infeed assembly is located at the end of the outer circumference of the powder feeding pipe away from the storage tank, characterized in that: The powder shovel assembly includes an upper guide plate, a powder shovel plate, and a lower guide plate. The upper guide plate is installed on the top of the inner side of the powder delivery pipe, away from the storage tank. The lower guide plate is installed on the bottom of the inner side of the powder delivery pipe, near the upper guide plate. The powder shovel plate is movably positioned on the side of the lower guide plate near the powder inlet assembly. An extension plate is provided on the lower guide plate near the powder shovel plate. A receiving groove matching the extension plate is provided in the middle of the powder shovel plate near the extension plate. A powder collection groove is opened on the top surface of the powder shovel plate near the lower guide plate. A control column is provided on the bottom surface of the powder shovel plate. The control column extends towards the bottom of the outer side of the powder delivery pipe. A control cylinder is installed on the bottom outer side of the powder delivery pipe near the control column. The output rod of the control cylinder is connected to the control column.
2. The powder pneumatic conveying device according to claim 1, characterized in that: The outer side of the powder feeding pipe has a movable groove near the control column. The movable groove is connected to the inner side of the powder feeding pipe. One end of the movable groove extends towards the powder inlet assembly. The upper guide plate has a converging baffle at the end near the powder inlet assembly. The top and bottom surfaces of the converging baffle are both inclined surfaces, and the inclined surfaces are both inclined downward towards the installation pipe end. Both ends of the powder feeding pipe have flow ports. A fan is connected to the flow port at the end of the powder feeding pipe away from the storage tank.
3. The powder pneumatic conveying device according to claim 1, characterized in that: An installation pipe is provided on the top surface of the powder feeding pipe near the powder inlet assembly. The installation pipe is connected to the powder feeding pipe. The powder inlet assembly is connected to the installation pipe. The powder inlet assembly includes a powder inlet funnel and a stirring shaft. The powder inlet funnel is fixed on the top surface of the installation pipe, and the stirring shaft is rotatably disposed in the middle of the powder inlet funnel.
4. The powder pneumatic conveying device according to claim 3, characterized in that: The top of the powder inlet funnel is provided with a support plate connected to the stirring shaft near the top of the funnel. The middle of the mounting tube is provided with a support frame connected to the stirring shaft near the middle of the funnel. A drive motor is installed on the top surface of the support plate. The drive motor rotates synchronously with the stirring shaft. A cover is provided on the top of the powder inlet funnel. A clearance position is provided on the bottom surface of the cover near the drive motor. Powder inlets are provided at both ends of the top surface of the cover. The powder inlets are connected to the powder inlet funnel.
5. A powder pneumatic conveying device according to claim 3, characterized in that: A powder loosening component is provided on the bottom surface of the powder feeding pipe near the installation pipe. The powder loosening component includes a rotating crankshaft, a movable connecting rod, and a striking block. The rotating crankshaft is rotatably disposed on the bottom surface of the powder feeding pipe. An eccentric shaft section is distributed on the rotating crankshaft. The movable connecting rod is installed on the eccentric shaft section and is rotatably connected to the eccentric shaft section.
6. The powder pneumatic conveying device according to claim 5, characterized in that: Both ends of the rotating crankshaft are connected to the bottom surface of the powder feeding pipe through mounting bases. A guide block is provided on the bottom surface of the powder feeding pipe near the mounting base. A guide hole matching the striking block is opened in the middle of the guide block. The striking block is movably mounted in the guide hole. The end of the movable connecting rod away from the eccentric shaft section is oscillatingly connected to the bottom surface of the striking block. A control motor is provided on one side of the mounting base. The output shaft of the control motor is connected to the rotating crankshaft.