Device for size grading of atomized iron powder
By designing a feeding structure and an anti-clogging structure for the gas atomized iron powder particle size classification device, the problems of unstable feeding and clogging were solved, achieving stable and continuous feeding and preventing hopper blockage, thus improving the stability of the feeding process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANXI XINSHENG NEW MATERIAL CO LTD
- Filing Date
- 2025-03-10
- Publication Date
- 2026-05-01
AI Technical Summary
In existing technologies, air-atomized iron powder particle size classification devices are prone to clogging during feeding, leading to unstable feeding.
A device including a feeding structure and an anti-blocking structure was designed. The feeding structure uses a spiral blade to stably feed materials, and the anti-blocking structure uses an eccentric wheel ring to drive a lifting rod to avoid blockage. The lifting rod prevents blockage at the bottom of the material box cavity.
It achieves stable and continuous feeding, avoids hopper blockage, improves production stability, and enhances the feeding stability of the feeding structure.
Smart Images
Figure CN224181387U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of powder metallurgy technology, specifically to a device for particle size classification of gas-atomized iron powder. Background Technology
[0002] Air classifiers are used in powder metallurgy to separate metal powders into different particle sizes through air classification, ensuring that the powders meet specific process requirements. They are used to prepare metal powders, especially iron powder, and are key equipment in powder metallurgy. They remove excessively large or small particles, improve the uniformity and flowability of the powder, and enhance subsequent processing performance.
[0003] In the existing technology, when feeding materials, the workers directly pour the materials into the hopper, resulting in an excessively concentrated feeding volume and a tendency to cause blockages.
[0004] Therefore, we propose a device for particle size classification of gas-atomized iron powder. Utility Model Content
[0005] (a) Technical problems to be solved
[0006] In view of the shortcomings of the prior art, this utility model provides a device for particle size classification of gas-atomized iron powder, which has the advantages of facilitating stable and continuous feeding and avoiding hopper blockage, and can effectively solve the problems in the background art.
[0007] (II) Technical Solution
[0008] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a device for particle size classification of gas-atomized iron powder, comprising a fixed frame and an anti-clogging structure. The upper part of the fixed frame is equipped with a primary classifier, a secondary classifier, a tertiary classifier, and a cyclone collector. The right end of the cyclone collector is connected to a dust collector. The left side of the fixed frame is provided with a feeding structure, which includes a material box, a support frame, a first motor, a feeding pipe, a first rotating shaft, a spiral blade, and a bracket. The anti-clogging structure includes a first fixed plate, a vertical plate, a second motor, a second rotating shaft, an eccentric ring, a second fixed plate, a lifting rod, a connecting shaft, a guide ring, a tip, a protrusion, and a limiting wheel. The bracket is fixedly installed on the outer wall of the lower part of the material box. The feeding pipe is connected to the lower outer surface of the material box, and the bottom of the inner cavity of the material box communicates with the inner cavity of the feeding pipe.
[0009] Preferably, the support frame is fixedly installed on one side of the bracket, the first motor is fixedly installed on the upper outer surface of the support frame, the first rotating shaft and the spiral blade are located inside the feeding tube, and the spiral blade is fixedly installed on the outer wall of the first rotating shaft.
[0010] Preferably, a sealed bearing is provided between the first rotating shaft and the feeding pipe, the first rotating shaft is rotatably connected to the feeding pipe through the sealed bearing, a coupling is provided between the first rotating shaft and the first motor, and one end of the outer surface of the first rotating shaft is fixedly connected to one end of the outer surface of the output shaft of the first motor through the coupling.
[0011] Preferably, the first fixing plate is fixedly installed on the upper outer surface of the material box, the upright plate is fixedly installed on the upper outer surface of the first fixing plate, the guide ring is fixedly installed on one end of the upper outer surface of the first fixing plate, and the lifting rod extends through the guide ring to the bottom of the inner cavity of the material box, the protrusion is fixedly installed on the lower part of the outer surfaces on both sides of the lifting rod, and the tip is set on the lower outer surface of the lifting rod.
[0012] Preferably, there are two sets of connecting shafts and limiting wheels. The limiting wheels are fixedly installed on the outer wall of the connecting shaft. The two sets of connecting shafts are located on the upper part of the outer surface of one side of the lifting rod. A sealed bearing is provided between the connecting shaft and the lifting rod. The connecting shaft is rotatably connected to the lifting rod through the sealed bearing. The eccentric wheel ring passes through the space between the two sets of limiting wheels.
[0013] Preferably, the second motor is fixedly installed on the upper part of the outer surface of one side of the upright plate, the second rotating shaft is connected to the outer surface of one end of the second motor, the outer surface of one end of the second rotating shaft is fixedly connected to the middle part of the outer surface of one side of the second fixed plate, the second fixed plate is fixedly installed on the outer surface of one side of the eccentric ring, a sealed bearing is provided between the second rotating shaft and the upright plate, the second rotating shaft is rotatably connected to the upright plate through the sealed bearing, a coupling is provided between the second rotating shaft and the second motor, and the outer surface of one end of the second rotating shaft is fixedly connected to the outer surface of one end of the output shaft of the second motor through the coupling.
[0014] (III) Beneficial Effects
[0015] Compared with the prior art, this utility model provides a device for particle size classification of gas-atomized iron powder, which has the following beneficial effects:
[0016] 1. This device for classifying the particle size of gas-atomized iron powder facilitates stable and continuous feeding through its feeding structure.
[0017] 2. This device for classifying the particle size of gas-atomized iron powder has an anti-clogging structure installed on the upper part of the feeding structure to prevent blockage at the bottom of the material box and improve the stability of the feeding structure. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of a device for classifying the particle size of gas-atomized iron powder according to the present invention.
[0019] Figure 2 This is a schematic diagram of the feeding structure in a device for particle size classification of gas-atomized iron powder according to the present invention.
[0020] Figure 3 This is a schematic diagram of the anti-clogging structure in a device for classifying the particle size of gas-atomized iron powder according to the present invention.
[0021] Figure 4 This is a schematic diagram of the upper part of the lifting rod in a device for particle size classification of gas-atomized iron powder according to the present invention.
[0022] In the diagram: 1. Fixed frame; 2. Primary classifier; 3. Secondary classifier; 4. Tertiary classifier; 5. Cyclone collector; 6. Dust collector; 7. Feeding structure; 8. Anti-clogging structure; 9. Material box; 10. Support frame; 11. First motor; 12. Feeding pipe; 13. First rotating shaft; 14. Spiral blade; 15. Bracket; 16. First fixed plate; 17. Vertical plate; 18. Second motor; 19. Second rotating shaft; 20. Eccentric ring; 21. Second fixed plate; 22. Lifting rod; 23. Connecting shaft; 24. Guide ring; 25. Tip; 26. Protrusion; 27. Limiting wheel. Detailed Implementation
[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0024] This embodiment describes a device for classifying the particle size of gas-atomized iron powder.
[0025] like Figure 1-4 As shown, the device includes a fixed frame 1 and an anti-blocking structure 8. The upper part of the fixed frame 1 is equipped with a primary classifier 2, a secondary classifier 3, a tertiary classifier 4, and a cyclone collector 5. The right end of the cyclone collector 5 is connected to a dust collector 6. The left side of the fixed frame 1 is equipped with a feeding structure 7, which includes a material box 9, a support frame 10, a first motor 11, a feeding pipe 12, a first rotating shaft 13, a spiral blade 14, and a bracket 15. The anti-blocking structure 8 includes a first fixed plate 16, a vertical plate 17, a second motor 18, a second rotating shaft 19, an eccentric wheel ring 20, a second fixed plate 21, a lifting rod 22, a connecting shaft 23, a guide ring 24, a tip 25, a protrusion 26, and a limiting wheel 27. The bracket 15 is fixedly installed on the lower outer wall of the material box 9. The feeding pipe 12 is connected to the lower outer surface of the material box 9, and the bottom of the inner cavity of the material box 9 is connected to the inner cavity of the feeding pipe 12.
[0026] The support frame 10 is fixedly installed on one side of the bracket 15. The first motor 11 is fixedly installed on the upper outer surface of the support frame 10. The first rotating shaft 13 and the spiral blade 14 are located inside the feeding pipe 12, and the spiral blade 14 is fixedly installed on the outer wall of the first rotating shaft 13. A sealed bearing is provided between the first rotating shaft 13 and the feeding pipe 12, and the first rotating shaft 13 is rotatably connected to the feeding pipe 12 through the sealed bearing. A coupling is provided between the first rotating shaft 13 and the first motor 11, and one end of the first rotating shaft 13 is externally... The surface is fixedly connected to the outer surface of one end of the output shaft of the first motor 11 via a coupling; the first fixing plate 16 is fixedly installed on the upper outer surface of the material box 9, the upright plate 17 is fixedly installed on the upper outer surface of the first fixing plate 16, the guide ring 24 is fixedly installed on one end of the upper outer surface of the first fixing plate 16, and the lifting rod 22 extends through the guide ring 24 to the bottom of the inner cavity of the material box 9, the protrusion 26 is fixedly installed on the lower part of the outer surfaces on both sides of the lifting rod 22, and the tip 25 is set on the lower outer surface of the lifting rod 22; There are two sets of connecting shafts 23 and two sets of limiting wheels 27. The limiting wheels 27 are fixedly installed on the outer wall of the connecting shafts 23. The two sets of connecting shafts 23 are located on the upper part of the outer surface of one side of the lifting rod 22. A sealed bearing is provided between the connecting shafts 23 and the lifting rod 22. The connecting shafts 23 are rotatably connected to the lifting rod 22 through the sealed bearing. The eccentric wheel ring 20 passes through the two sets of limiting wheels 27. The second motor 18 is fixedly installed on the upper part of the outer surface of one side of the vertical plate 17. The second rotating shaft 19 is connected to the outer surface of one end of the second motor 18. One end of the outer surface of the second rotating shaft 19 is fixedly connected to the middle of one side of the outer surface of the second fixed plate 21. The second fixed plate 21 is fixedly installed on one side of the outer surface of the eccentric ring 20. A sealed bearing is provided between the second rotating shaft 19 and the vertical plate 17. The second rotating shaft 19 is rotatably connected to the vertical plate 17 through the sealed bearing. A coupling is provided between the second rotating shaft 19 and the second motor 18. One end of the outer surface of the second rotating shaft 19 is fixedly connected to one end of the outer surface of the output shaft of the second motor 18 through the coupling.
[0027] It should be noted that this utility model is a device for particle size classification of atomized iron powder. The primary classifier 2, secondary classifier 3, tertiary classifier 4, cyclone collector 5, and dust collector 6 described in this document are all existing technologies. By classifying the airflow, the metal powder is separated into different particle sizes to ensure that the powder meets specific process requirements. This technology is readily available to those skilled in the art and will not be elaborated further. The feeding structure 7 and anti-clogging structure 8 are provided. The operator pours the material into the material box 9, and the operation of the first motor 11 drives the first rotating shaft 13 to rotate, which in turn drives the spiral blade 14 to rotate. The material inside the material bin 9 enters the feeding pipe 12. The rotation of the spiral blade 14 pushes the material along the feeding pipe 12 to improve feeding stability. To prevent blockage at the bottom of the inner cavity of the material bin 9, the second motor 18 drives the second rotating shaft 19 to rotate. The second rotating shaft 19 rotates through the eccentric wheel ring 20. The eccentric wheel ring 20 acts on the limit wheel 27 to drive the lifting rod 22 to rise and fall along the guide ring 24. The guide ring 24 drives the tip 25 and the protrusion 26 to rise and fall, clearing the bottom of the inner cavity of the material bin 9, preventing blockage and improving feeding stability.
[0028] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A device for particle size classification of gas-atomized iron powder, comprising a fixed frame (1) and an anti-clogging structure (8), wherein a primary classifier (2), a secondary classifier (3), a tertiary classifier (4) and a cyclone collector (5) are installed on the upper part of the fixed frame (1), and a dust collector (6) is connected to the right end of the cyclone collector (5), characterized in that: The left side of the fixed frame (1) is provided with a feeding structure (7), which includes a material box (9), a support frame (10), a first motor (11), a feeding pipe (12), a first rotating shaft (13), a spiral blade (14) and a bracket (15). The anti-blocking structure (8) includes a first fixed plate (16), a vertical plate (17), a second motor (18), a second rotating shaft (19), an eccentric wheel ring (20), a second fixed plate (21), a lifting rod (22), a connecting shaft (23), a guide ring (24), a tip (25), a protrusion (26) and a limiting wheel (27). The bracket (15) is fixedly installed on the outer wall of the lower part of the material box (9). The feeding pipe (12) is connected to the lower outer surface of the material box (9). The bottom of the inner cavity of the material box (9) is connected to the inner cavity of the feeding pipe (12).
2. The device for particle size classification of gas-atomized iron powder according to claim 1, characterized in that: The support frame (10) is fixedly installed on one side of the bracket (15), the first motor (11) is fixedly installed on the upper outer surface of the support frame (10), the first rotating shaft (13) and the spiral blade (14) are located inside the feeding pipe (12), and the spiral blade (14) is fixedly installed on the outer wall of the first rotating shaft (13).
3. The device for particle size classification of gas-atomized iron powder according to claim 2, characterized in that: A sealed bearing is provided between the first rotating shaft (13) and the feeding pipe (12). The first rotating shaft (13) is rotatably connected to the feeding pipe (12) through the sealed bearing. A coupling is provided between the first rotating shaft (13) and the first motor (11). One end of the outer surface of the first rotating shaft (13) is fixedly connected to one end of the outer surface of the output shaft of the first motor (11) through the coupling.
4. The device for particle size classification of gas-atomized iron powder according to claim 3, characterized in that: The first fixing plate (16) is fixedly installed on the upper outer surface of the material box (9), the upright plate (17) is fixedly installed on the upper outer surface of the first fixing plate (16), the guide ring (24) is fixedly installed on one end of the upper outer surface of the first fixing plate (16), and the lifting rod (22) extends through the guide ring (24) into the bottom of the inner cavity of the material box (9), the protrusion (26) is fixedly installed on the lower part of the outer surface on both sides of the lifting rod (22), and the tip (25) is set on the lower outer surface of the lifting rod (22).
5. The device for particle size classification of gas-atomized iron powder according to claim 4, characterized in that: There are two sets of connecting shafts (23) and limiting wheels (27). The limiting wheels (27) are fixedly installed on the outer wall of the connecting shafts (23). The two sets of connecting shafts (23) are located on the upper part of the outer surface of the lifting rod (22) on one side. A sealed bearing is provided between the connecting shafts (23) and the lifting rod (22). The connecting shafts (23) are rotatably connected to the lifting rod (22) through the sealed bearing. The eccentric wheel ring (20) passes through the two sets of limiting wheels (27).
6. The apparatus for particle size classification of gas-atomized iron powder according to claim 5, characterized in that: The second motor (18) is fixedly installed on the upper part of the outer surface of one side of the upright plate (17). The second rotating shaft (19) is connected to the outer surface of one end of the second motor (18). The outer surface of one end of the second rotating shaft (19) is fixedly connected to the middle part of the outer surface of one side of the second fixed plate (21). The second fixed plate (21) is fixedly installed on the outer surface of one side of the eccentric ring (20). A sealed bearing is provided between the second rotating shaft (19) and the upright plate (17). The second rotating shaft (19) is rotatably connected to the upright plate (17) through the sealed bearing. A coupling is provided between the second rotating shaft (19) and the second motor (18). The outer surface of one end of the second rotating shaft (19) is fixedly connected to the outer surface of one end of the output shaft of the second motor (18) through the coupling.