Screening device applied to metal powder

By designing a metal powder screening device with threaded rods and brush plates, the problem of screen clogging was solved, achieving efficient and continuous screening results and ensuring the purity of metal powder and product quality.

CN224101211UActive Publication Date: 2026-04-10JIANGSU WEIYIN NEW MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing metal powder screening devices are prone to screen blockage due to impurities and electrostatic adsorption during long-term use, which affects screening efficiency and accuracy and reduces product quality.

Method used

A screening device including a fine filter screen and a coarse filter screen was designed. The threaded rod drives the L-shaped plate and the brush plate to clean the filter screen simultaneously. Combined with a vibrating motor and a blower, it prevents powder accumulation and clogging, and ensures continuous and efficient operation.

Benefits of technology

It effectively prevents metal powder and impurities from accumulating on the filter screen, ensuring the continuous and efficient operation of the screening system, improving screening accuracy and efficiency, and preventing component failures caused by powder accumulation.

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Abstract

The utility model discloses a screening device applied to metal powder, and particularly relates to the technical field of metal powder screening, the screening device comprises a bottom plate, a threaded rod rotates to conveniently drive an L-shaped plate and a brush plate to move front and back, and then metal powder meeting a certain size standard on a first fine filter screen is pushed to one of external collecting boxes; meanwhile, large-particle impurities on the second coarse filter screen can be pushed into another externally-connected collecting box, when filtered impurities or metal powder is collected, the first fine filter screen and the second coarse filter screen can be synchronously cleaned in the moving process of a brush plate, and the cleaning efficiency is improved. Metal powder and impurities can be effectively prevented from being accumulated on the first fine filter screen and the second coarse filter screen, the blocking condition is reduced, it is ensured that the whole screening system continuously and efficiently operates, and in the metal powder screening process, the triangular block at the top of the sliding groove can reduce the situation that the metal powder falls into the rectangular groove.
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Description

TECHNICAL FIELD

[0001] The utility model relates to metal powder screening technical field, concretely is a kind of screening device applied to metal powder. BACKGROUND

[0002] Metal powder is processed by specific physical or chemical process from metal, with the characteristics of fine granularity, large specific surface area, etc., commonly known as iron powder, aluminum powder, copper powder, etc., these metal powder can be made into various complex shape, high-performance parts by powder metallurgy technology, used to manufacture high-temperature alloy parts of aero-engine, key wear-resistant parts of automobile engine, also can be used in 3D printing field, realize personalized, customized metal product manufacturing, metal powder processing needs to be screened.

[0003] The Chinese patent with publication number CN221515174U discloses a metal powder processing equipment, metal powder is added from the feeding cylinder at the top end of the screw shell into the screw shell, the metal powder falls into the inside of the screening member, the top threaded cylinder of the rotating shaft, the motor is started to drive the rotating shaft to rotate, the paddle on the rotating shaft is driven to move the metal powder on the mesh of the threaded cylinder, the metal powder is screened, so that the mesh of the multiple threaded cylinders screens the alloy powder, thereby improving the fineness of the alloy powder.

[0004] But the metal powder processing equipment in the above scheme screens metal powder through mesh, but the mesh is fixedly installed in the box, in the long screening process, impurities in metal powder and due to electrostatic adsorption, etc. It is easy to cause mesh blockage, once blocked, not only will reduce the screening efficiency, also will affect the screening accuracy of metal powder, cause product quality to decline.

[0005] Therefore, it is necessary to invent a screening device applied to metal powder. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a screening device applied to metal powder to solve the problems raised in the above background.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A kind of screening device applied to metal powder, including bottom plate, the top of the bottom plate is fixed with a plurality of springs, the other end of the spring is fixed with horizontal plate, the top of the horizontal plate is fixed with box, the inside of the box is fixed with symmetrically distributed cross bar, the top of the cross bar is slidably equipped with fine filter screen one, the top of the fine filter screen one is fixed with coarse filter screen two, the one side of the box is equipped with symmetrically distributed rectangular groove, the one side of the box is rotatably equipped with synchronous pulley one and synchronous pulley two, transmission is equipped with synchronous belt between the synchronous pulley one and synchronous pulley two, the one side of the synchronous pulley one and synchronous pulley two is fixed with threaded rod, the threaded rod is rotatably installed between the two side walls of rectangular groove, the outside of the threaded rod is threadedly equipped with L-shaped plate, the L-shaped plate penetrates rectangular groove and is fixed with brush plate at its end, the one side of the box is equipped with recess one and recess two respectively.

[0008] Preferably, the one side of the rectangular groove is equipped with a chute, and the L-shaped plate slides through the chute.

[0009] Preferably, two of the rectangular grooves are fixed with air outlets, the air outlets are communicated with short pipes on one side, the box is fixed with a hair dryer on one side, the top of the hair dryer is communicated with a connecting pipe, and the short pipe is communicated with the connecting pipe.

[0010] Preferably, the inside cavity bottom of the rectangular groove is slidably equipped with drawer four, the one side of the box is equipped with symmetrically distributed through slot two, and the drawer four slides through the through slot two.

[0011] Preferably, the bottom of the horizontal plate is fixed with a vibration motor, the bottom of the box is slidably equipped with drawer one, and the top of the box is equipped with a feed inlet.

[0012] Preferably, the one side of the box is equipped with through slot one, the one side of the box is rotatably equipped with a rotating door, the one side of the rotating door is fixed with fixed block one, the top of the fixed block one is threadedly inserted with screw one, the one side of the box is fixed with fixed block two, and the screw one movably penetrates the fixed block two.

[0013] Preferably, the one side of the box is rotatably equipped with symmetrically distributed rotating plates, the one side of the rotating plate is fixed with short plate one, the one side of the box is fixed with symmetrically distributed short plate two, the top of the short plate two is threadedly inserted with screw two, and the screw two movably penetrates the short plate one.

[0014] Preferably, the one side of the box inner wall is fixed with symmetrically distributed triangular blocks, and the fine filter screen one and the coarse filter screen two are connected with symmetrically distributed connecting plates.

[0015] Preferably, the bottom of the fine filter screen one is fixedly provided with symmetrically distributed T-shaped blocks, the top of the cross rod is provided with T-shaped grooves, the T-shaped blocks are slidably installed in the T-shaped grooves, and one side of the cross rod is threadedly provided with a screw three.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The threaded rod is convenient to rotate to drive the L-shaped plate and the brush plate to move back and forth, thereby pushing the metal powder meeting certain size standards on the fine filter screen one into one of the collected boxes, and pushing the large-particle impurities on the coarse filter screen two into the other collected box, when collecting the filtered impurities or metal powder, the fine filter screen one and the coarse filter screen two can be cleaned synchronously in the moving process of the brush plate, metal powder and impurities can be effectively prevented from accumulating on the fine filter screen one and the coarse filter screen two, the occurrence of the blocking condition is reduced, and the whole screening system can continuously and efficiently operate;

[0018] 2. In the screening process of the metal powder, the triangular block at the top of the chute can reduce the metal powder falling into the rectangular groove, and the air blower blows air with slight wind force, the air outlet of the air blower is aligned with the position of the through groove two and the threaded rod, the metal powder falling on the threaded rod is effectively reduced, the threaded rod cannot be normally rotated or the component cannot be slid due to powder accumulation is avoided, some powder will fall into the drawer four, and when the drawer four collects a certain amount of powder, the drawer four can be taken out from the through groove two. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides an overall structure schematic view;

[0020] Figure 2 The utility model provides a bottom plate structure schematic view;

[0021] Figure 3 The utility model provides a Figure 2 The structure amplification schematic view of A place in middle;

[0022] Figure 4 The utility model provides a connecting pipe structure schematic view;

[0023] Figure 5 The utility model provides a coarse filter screen two structure schematic view;

[0024] Figure 6 The utility model provides a through groove two structure schematic view;

[0025] Figure 7 The utility model provides a drawer four structure schematic view.

[0026] In the diagram: 1. Base plate; 11. Spring; 111. Groove 1; 112. Groove 2; 12. Horizontal plate; 121. Vibration motor; 13. Box body; 131. Feed inlet; 132. Through groove 1; 14. Rotating door; 141. Fixing block 1; 15. Screw 1; 16. Fixing block 2; 17. Drawer 1; 18. Turning plate; 181. Short plate 1; 19. Short plate 2; 191. Screw 2; 21. Crossbar; 211 1. Screw 3; 22. Fine filter screen 1; 221. T-block; 23. Connecting plate; 24. Coarse filter screen 2; 26. Synchronous pulley 1; 27. Synchronous belt; 28. Synchronous pulley 2; 29. ​​Threaded rod; 292. L-shaped plate; 293. Brush plate; 31. Hair dryer; 32. Connecting pipe; 33. Short pipe; 34. Air outlet; 41. Rectangular groove; 42. Triangular block; 43. Slide groove; 44. Drawer 4; 45. Through groove 2. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example: Figures 1-7 As shown, this utility model provides a screening device for metal powder, including a base plate 1. Multiple springs 11 are fixedly mounted on the top of the base plate 1. A horizontal plate 12 is fixedly mounted on the other end of each spring 11. A housing 13 is fixedly mounted on the top of the horizontal plate 12. Symmetrically distributed horizontal bars 21 are fixedly mounted inside the housing 13. A fine filter screen 22 is slidably mounted on the top of each horizontal bar 21. A coarse filter screen 24 is fixedly mounted on the top of each fine filter screen 22. Symmetrically distributed rectangular grooves 41 are opened on one side of the housing 13. A synchronous pulley 26 and a synchronous pulley 28 are rotatably mounted on one side of the housing 13. A synchronous belt 27 is provided for transmission between the two synchronous pulleys 28. A threaded rod 29 is fixed to one side of both the first synchronous pulley 26 and the second synchronous pulley 28. The threaded rod 29 is rotatably mounted between the two side walls of the rectangular groove 41. An L-shaped plate 292 is threaded onto the outer side of the threaded rod 29. The L-shaped plate 292 penetrates the rectangular groove 41 and a brush plate 293 is fixed to its end. A groove 111 and a groove 112 are respectively opened on one side of the housing 13. The brush plate 293 can be made of polytetrafluoroethylene (Teflon) fiber. Polytetrafluoroethylene material has high chemical stability, extremely low surface friction coefficient, and non-stick properties. This makes it difficult for metal powder to adhere to the brush plate.

[0029] Further, one side of the rectangular groove 41 is provided with a sliding groove 43, and the L-shaped plate 292 is slidably penetrated through the sliding groove 43.

[0030] Further, two rectangular grooves 41 are fixedly provided with air outlets 34, one side of the air outlet 34 is communicated with a short pipe 33, one side of the box 13 is fixedly provided with a blower 31, the top of the blower 31 is communicated with a connecting pipe 32, the short pipe 33 is communicated with the connecting pipe 32, the blower 31 is a small axial flow fan with a model of SF5-2, its wind force is soft, and it can provide stable breeze airflow, and it is more suitable for being used in the screening equipment to avoid that the powder is excessively blown up.

[0031] Further, the bottom of the rectangular groove 41 is slidably provided with a drawer four 44, one side of the box 13 is provided with symmetrically distributed through grooves two 45, and the drawer four 44 is slidably penetrated through the through grooves two 45.

[0032] Further, the bottom of the horizontal plate 12 is fixedly provided with a vibration motor 121, the bottom of the box 13 is slidably provided with a drawer one 17, and the top of the box 13 is provided with a feeding port 131, and the vibration motor 121 is a vibration motor with a model of VB-50-2.

[0033] Further, one side of the box 13 is provided with a through groove one 132, one side of the box 13 is rotatably provided with a rotating door 14, one side of the rotating door 14 is fixedly provided with a fixed block one 141, the top of the fixed block one 141 is threadedly inserted with a screw one 15, one side of the box 13 is fixedly provided with a fixed block two 16, and the screw one 15 is movably penetrated through the fixed block two 16, the screw one 15 is inserted into or not inserted into the fixed block two 16, and then the rotating door 14 is fixed or opened.

[0034] Further, one side of the box 13 is rotatably provided with symmetrically distributed rotating plates 18, one side of the rotating plate 18 is fixedly provided with a short plate one 181, one side of the box 13 is fixedly provided with symmetrically distributed short plates two 19, the top of the short plate two 19 is threadedly inserted with a screw two 191, and the screw two 191 is movably penetrated through the short plate one 181.

[0035] Further, one side of the inner wall of the box 13 is fixedly provided with symmetrically distributed triangular blocks 42, and the fine filter screen one 22 and the coarse filter screen two 24 are connected with symmetrically distributed connecting plates 23.

[0036] Further, the bottom of the fine filter screen one 22 is fixedly provided with symmetrically distributed T-shaped blocks 221, the top of the horizontal rod 21 is provided with a T-shaped groove, the T-shaped block 221 is slidably installed in the T-shaped groove, one side of the horizontal rod 21 is threadedly inserted with a screw three 211, and the screw three 211 is movably penetrated through the T-shaped block 221.

[0037] Working principle: in use, the scheme utilizes the vibration generated by the vibration motor 121 to make the metal powder to be screened uniformly distributed on the coarse filter screen two 24, the coarse filter screen two 24 can effectively intercept large particle impurities, and the metal powder meeting certain size standards can smoothly pass under the action of vibration and fall onto the fine filter screen one 22, the fine filter screen one 22 screens out the fine impurities remaining in the metal powder, and finally ensures that the metal powder product reaches the standard of purity, and the fine impurities can fall into the drawer one 17;

[0038] Then the two rotating plates 18 can be opened, two collecting boxes can be connected to one side of the groove one 111 and the groove two 112, then the driving device is connected to make the synchronous wheel two 28 rotate forward and backward, immediately the synchronous belt 27 drives the synchronous wheel one 26 to rotate forward and backward, and then drives the threaded rod 29 to rotate forward and backward, immediately drives the L-shaped plate 292 and the brush plate 293 to move forward and backward, and then pushes the metal powder meeting certain size standards on the fine filter screen one 22 to the connected one of the collecting boxes, and at the same time can push the large particle impurities on the coarse filter screen two 24 to the other collecting box, when collecting the filtered impurities or metal powder, the fine filter screen one 22 and the coarse filter screen two 24 can be cleaned synchronously in the moving process of the brush plate 293, which can effectively avoid the accumulation of metal powder and impurities on the fine filter screen one 22 and the coarse filter screen two 24, reduce the occurrence of blockage, and ensure the continuous and efficient operation of the whole screening system;

[0039] In the process of screening the metal powder, the triangular block 42 at the top of the chute 43 can reduce the metal powder falling into the rectangular groove 41, and the air blower 31 blows with slight wind, and the air outlet 34 is aligned with the position of the through groove two 45 and the threaded rod 29, which effectively reduces the metal powder falling on the threaded rod 29, avoids the accumulation of powder causing the threaded rod 29 to be unable to rotate normally or affecting the sliding of the component, and some powder will fall into the drawer four 44, when the drawer four 44 collects a certain amount of powder, the drawer four 44 can be taken out from the through groove two 45.

[0040] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A screening device for metal powders, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly provided with a plurality of springs (11), the other end of the spring (11) is fixedly provided with a horizontal plate (12), the top of the horizontal plate (12) is fixedly provided with a box (13), the inside of the box (13) is fixedly provided with symmetrically distributed horizontal rods (21), the top of the horizontal rod (21) is slidably provided with a fine filter screen (22), the top of the fine filter screen (22) is fixedly provided with a coarse filter screen (24), one side of the box (13) is provided with symmetrically distributed rectangular grooves (41), one side of the box (13) is rotatably provided with a synchronous wheel (26) and a synchronous wheel (28), the synchronous wheel (26) and the synchronous wheel (28) are drivingly provided with a synchronous belt (27), one side of the synchronous wheel (26) and the synchronous wheel (28) is fixedly provided with a threaded rod (29), the threaded rod (29) is rotatably installed between the two side walls of the rectangular groove (41), the outer side of the threaded rod (29) is threadedly provided with an L-shaped plate (292), the L-shaped plate (292) penetrates the rectangular groove (41) and is fixedly provided with a brush plate (293) at the end thereof, and one side of the box (13) is respectively provided with a groove (111) and a groove (112).

2. A screening device for metal powders as claimed in claim 1, characterized in that: One side of the rectangular groove (41) is provided with a chute (43), and the L-shaped plate (292) slidably penetrates the chute (43).

3. A screening device for metal powders as claimed in claim 1, wherein: Two said rectangular grooves (41) are fixedly provided with air outlets (34), one side of the air outlet (34) is communicated with a short pipe (33), one side of the box (13) is fixedly provided with a blower (31), the top of the blower (31) is communicated with a connecting pipe (32), and the short pipe (33) and the connecting pipe (32) are communicated.

4. A screening device for metal powders as claimed in claim 1, wherein: The inner cavity bottom of the rectangular groove (41) is slidably provided with a drawer four (44), one side of the box (13) is provided with symmetrically distributed through grooves (45), and the drawer four (44) slidably penetrates the through grooves (45).

5. A screening device for metal powders as claimed in claim 1, wherein: The bottom of the horizontal plate (12) is fixedly provided with a vibration motor (121), the bottom of the box (13) is slidably provided with a drawer one (17), and the top of the box (13) is provided with an inlet (131).

6. A screening device for metal powders as claimed in claim 1, wherein: One side of the box (13) is provided with a through groove (132), one side of the box (13) is rotatably provided with a rotating door (14), one side of the rotating door (14) is fixedly provided with a fixed block one (141), the top of the fixed block one (141) is threadedly provided with a screw one (15), one side of the box (13) is fixedly provided with a fixed block two (16), and the screw one (15) movably penetrates the fixed block two (16).

7. A screening device for metal powders as claimed in claim 1, wherein: One side of the box (13) is rotatably provided with symmetrically distributed rotating plates (18), one side of the rotating plate (18) is fixedly provided with a short plate one (181), one side of the box (13) is fixedly provided with symmetrically distributed short plates two (19), the top of the short plate two (19) is threadedly provided with a screw two (191), and the screw two (191) movably penetrates the short plate one (181).

8. A screening device for metal powders as claimed in claim 1, wherein: The box (13) is fixed with symmetrical triangular blocks (42) on one side of the inner wall, and the fine filter screen one (22) and the coarse filter screen two (24) are connected with symmetrical connecting plates (23).

9. A screening device for metal powders as claimed in claim 1, wherein: The bottom of the fine filter screen one (22) is fixed with symmetrical T-shaped blocks (221), the top of the horizontal rod (21) is provided with a T-shaped groove, the T-shaped block (221) is slidably installed in the T-shaped groove, and one side of the horizontal rod (21) is threadedly provided with a screw three (211), and the screw three (211) movably penetrates through the T-shaped block (221).

Citation Information

Patent Citations

  • Metal powder treatment equipment

    CN221515174U