A dry powder processor

By designing a moving and rotating structure for the screening drum and stirring rod in the dry powder processor, the problem of the stirring dead zone caused by the inability of the stirring shaft to rotate is solved, thus achieving full mixing of dry powder and improving efficiency.

CN224308910UActive Publication Date: 2026-06-02YICHANG IENFUL NEW MATERIAL TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YICHANG IENFUL NEW MATERIAL TECH CO LTD
Filing Date
2025-06-30
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

In existing technologies, the stirring shaft cannot rotate during movement, resulting in unsatisfactory dry powder mixing effect and the formation of a mixing dead zone, which affects the dry powder processing efficiency.

Method used

The design employs a screening drum, with a drive shaft that rotates and reciprocates the stirring rod during movement. Combined with a gear and bearing structure, this allows the stirring rod to reciprocate during rotation, improving the mixing effect and reducing dead zones.

Benefits of technology

It achieves thorough mixing and dispersion of dry powder, reduces dead zones in mixing, improves the efficiency of dry powder screening, and avoids accumulation or clumping.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224308910U_ABST
    Figure CN224308910U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of dry powder processors, including screening roller, two sleeves are fixedly connected in the inner wall of the both sides of screening roller, same drive shaft is rotatably connected on two sleeves in same end, the outer wall of drive shaft is fixedly connected with several stirring rods, two grooves are set in the one end of drive shaft, drive shaft is equipped with first gear, the inner wall of first gear is fixedly connected with two sliding blocks, sliding block is set in groove, the side of first gear is fixedly connected with cylinder, the outer wall of cylinder is fixedly connected with first bearing, the inner ring inner wall of first bearing is fixedly connected cylinder, the outer ring of first bearing is fixedly connected with the outer wall of screening roller, second bearing is equipped in the one end of drive shaft away from first gear. The utility model can more effectively scatter and scatter dry powder, reduce stirring dead zone, so that dry powder can be evenly stirred in entire screening roller, avoid accumulation or caking, improve the efficiency of dry powder screening processing work.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of dry powder sieving and processing technology, and in particular to a dry powder processor. Background Technology

[0002] Different applications have different requirements for the particle size of dry powder. Sieving can classify dry powder according to particle size to obtain a uniform particle size distribution, which can meet the needs of subsequent processes or product performance.

[0003] A search revealed Chinese patent CN216299698U, which discloses a drum-type dry mortar processing device. The device includes a base plate with a mounting plate fixed to its top. An annular through-hole is formed on the side of the mounting plate, and a bushing is fixed within the through-hole. A hollow drum with multiple sieve holes is rotatably fitted inside the bushing. Two stirring shafts are fixed to the inner wall of the hollow drum, and cross-fitting stirring rods are fixed to the outer walls of both shafts. A motor is mounted on the top of the base plate, and a gear is connected to the motor's output shaft. A geared ring that meshes with the gear is fixedly fitted to the outer wall of the hollow drum. This invention allows dry mortar with a diameter smaller than the sieve holes of the hollow drum to be screened out, while dry mortar with a particle diameter larger than the sieve holes remains inside the hollow drum. This completes the screening process for dry mortar, solving the problem of dry mortar clumping and affecting screening efficiency in traditional screening devices.

[0004] The aforementioned dry mortar processing device using a drum has the following drawbacks: the mixing shaft cannot rotate during movement, resulting in an unsatisfactory mixing effect on the dry powder. Furthermore, the dry powder moves along the movement path of the mixing shaft, creating a mixing dead zone, making it difficult to fully mix the dry powder. This requires more time to ensure that the dry powder is fully mixed and dispersed, thus affecting the dry powder processing efficiency. Therefore, it is necessary to design a dry powder processor to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a dry powder processor.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A dry powder processor includes a screening drum. Two sleeves are fixedly connected to the inner walls of both sides of the screening drum. A common drive shaft is rotatably connected to the two sleeves at the same end. A plurality of stirring rods are fixedly connected to the outer wall of the drive shaft. Two grooves are formed at one end of the drive shaft. A first gear is fitted onto the drive shaft. Two sliders are fixedly connected to the inner wall of the first gear and are disposed within the grooves. The sliders are slidably connected to the drive shaft. A cylinder is fixedly connected to one side of the first gear. A first bearing is fixedly connected to the outer wall of the cylinder. The inner ring of the first bearing is fixedly connected to the cylinder. The outer ring of the first bearing is fixedly connected to the outer wall of the screening drum. A second bearing is fitted onto the end of the drive shaft away from the first gear. The inner ring of the second bearing is fixedly connected to the drive shaft. A common annular plate is fixedly connected to the outer walls of the two second bearings. A fixed shaft is fixedly connected to the inner wall of the annular plate. A roller is rotatably connected to the outer wall of the fixed shaft. A circular tube is provided on one side of the screening drum. An annular groove is formed on the circular tube. The annular groove is closed. The roller is set in the annular groove, and the first gear is meshed with the first toothed ring. Because the technology allows the stirring rod to move and rotate during the rotation of the screening drum, and also to reciprocate, the rotation of the stirring rod during movement improves the stirring effect, causing the dry powder to disperse. The reciprocating movement of the stirring rod during rotation reduces the stirring dead zone, ensuring that the dry powder in the screening drum is fully stirred and dispersed. This effectively solves the problem in the background technology where the stirring shaft cannot rotate during movement, resulting in unsatisfactory stirring of the dry powder. Furthermore, when the stirring shaft moves, the dry powder moves along the movement path of the stirring shaft, forming a stirring dead zone, making it difficult to fully stir the dry powder and requiring more time to disperse it, thus affecting the dry powder processing efficiency. Therefore, this technology achieves the technical effect of more effectively dispersing and dispersing the dry powder, reducing the stirring dead zone, ensuring that the dry powder is evenly stirred throughout the screening drum, avoiding accumulation or clumping, and improving the efficiency of dry powder screening and processing.

[0008] As a further embodiment of this utility model, two limiting rods are provided through the annular plate, the annular plate is slidably connected to the limiting rods, and the limiting rods are fixedly connected to the screening drum.

[0009] As a further embodiment of this utility model, a first rotating shaft is fixedly connected to both sides of the screening drum, and a third bearing is sleeved on each of the two first rotating shafts. The inner wall of the inner ring of the third bearing is fixedly connected to the first rotating shaft, and a fixed seat is fixedly connected to the inner wall of the outer ring of the third bearing.

[0010] As a further embodiment of this utility model, six fixing rods are fixedly connected to the inner walls of both sides of the fixing base, and the six fixing rods are all fixedly connected to the first toothed ring.

[0011] As a further embodiment of this utility model, the screening drum is provided with a material inlet, and a cover plate is provided at the material inlet of the screening drum, and the cover plate is fixed to the screening drum by screws.

[0012] As a further embodiment of this utility model, a second toothed ring is fixedly connected to the outer wall of the screening drum, the second toothed ring is meshed with a second gear, a second rotating shaft is fixedly connected to one side of the second gear, a fourth bearing is sleeved on the second rotating shaft, the inner wall of the inner ring of the fourth bearing is fixedly connected to the second rotating shaft, the outer wall of the outer ring of the fourth bearing is fixedly connected to a fixed seat, a motor is fixedly connected to one side of the fixed seat, and the output end of the motor is connected to the second rotating shaft through a coupling.

[0013] As a further embodiment of this utility model, a receiving box is provided at the bottom of the screening drum.

[0014] The beneficial effects of this utility model are as follows:

[0015] Because the technology employs a method that allows the stirring rod to move and rotate during the rotation of the screening drum, as well as to reciprocate, the rotation of the stirring rod during movement improves the mixing effect, causing the dry powder to disperse. The reciprocating movement of the stirring rod during rotation reduces dead zones, ensuring that the dry powder within the screening drum is thoroughly mixed and dispersed. This effectively solves the problems raised in the background technology, such as the stirring shaft's inability to rotate during movement, resulting in unsatisfactory mixing of the dry powder, and the dry powder moving along the shaft's path, creating dead zones that hinder thorough mixing and require more time to disperse, thus affecting the dry powder processing efficiency. Therefore, this technology achieves the technical effect of more effectively dispersing and dispersing dry powder, reducing dead zones, ensuring uniform mixing of the dry powder throughout the screening drum, preventing accumulation or clumping, and improving the efficiency of dry powder screening. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of a dry powder processor proposed in this utility model;

[0017] Figure 2 This is a partial structural schematic diagram of a dry powder processor proposed in this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the sieving drum of a dry powder processor proposed in this utility model;

[0019] Figure 4 This is a schematic diagram of the drive shaft structure of a dry powder processor proposed in this utility model;

[0020] Figure 5 This is a schematic cross-sectional view of the drive shaft of a dry powder processor proposed in this utility model.

[0021] Figure 6 This is a schematic diagram of the structure of the first gear of a dry powder processor proposed in this utility model.

[0022] In the diagram: 1. Screening drum; 2. Sleeve; 3. Drive shaft; 4. Stirring rod; 5. Slide groove; 6. First gear; 7. Sliding block; 8. Cylinder; 9. First bearing; 10. Second bearing; 11. Annular plate; 12. Fixed shaft; 13. Roller; 14. Circular tube; 15. Annular slide groove; 16. First gear ring; 17. Limiting rod; 18. First rotating shaft; 19. Third bearing; 20. Fixed seat; 21. Fixed rod; 22. Material inlet; 23. Cover plate; 24. Second gear ring; 25. Second gear; 26. Second rotating shaft; 27. Fourth bearing; 28. Motor; 29. ​​Receiving box. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Reference Figure 1-6A dry powder processor includes a screening drum 1. Two sleeves 2 are fixedly connected to the inner walls of both sides of the screening drum 1. A common drive shaft 3 is rotatably connected to the two sleeves 2 at the same end. A plurality of stirring rods 4 are fixedly connected to the outer wall of the drive shaft 3. Two sliding grooves 5 are formed at one end of the drive shaft 3. A first gear 6 is sleeved on the drive shaft 3. Two sliders 7 are fixedly connected to the inner wall of the first gear 6 and are disposed within the sliding grooves 5. The sliders 7 are slidably connected to the drive shaft 3. A cylinder 8 is fixedly connected to one side of the first gear 6, and a first... Bearing 9, the inner ring of the first bearing 9 is fixedly connected to the inner wall of the cylinder 8, and the outer ring of the first bearing 9 is fixedly connected to the outer wall of the screening drum 1. A second bearing 10 is sleeved on the end of the drive shaft 3 away from the first gear 6. The inner ring of the second bearing 10 is fixedly connected to the inner wall of the drive shaft 3. The outer rings of the two second bearings 10 are fixedly connected to the same annular plate 11. The inner wall of the annular plate 11 is fixedly connected to a fixed shaft 12. The outer wall of the fixed shaft 12 is rotatably connected to a roller 13. A circular tube 14 is provided on one side of the screening drum 1. An annular groove 15 is opened on the circular tube 14. The annular groove 15 is a closed loop, and the roller 13 is set inside the annular groove 15. The first gear 6 is meshed with the first toothed ring 16. Because the technology allows the stirring rod to move and rotate during the rotation of the screening drum, and also to reciprocate, the rotation of the stirring rod during movement improves the stirring effect, causing the dry powder to disperse. The reciprocating movement of the stirring rod during rotation reduces the dead zone, ensuring that the dry powder inside the screening drum is fully stirred and dispersed. This effectively solves the problem of the stirring shaft mentioned in the background technology. The inability to rotate during movement leads to unsatisfactory mixing of dry powder. Furthermore, the dry powder moves along the movement path of the mixing shaft, creating a mixing dead zone. This makes it difficult to fully mix the dry powder, requiring more time to disperse it and affecting the efficiency of dry powder processing. The solution addresses this issue by enabling more effective dispersion and dispersal of dry powder, reducing mixing dead zones, and ensuring that the dry powder is evenly mixed throughout the entire screening drum, preventing accumulation or clumping, and improving the efficiency of dry powder screening.

[0025] In this embodiment, two limiting rods 17 are provided on the annular plate 11. The annular plate 11 is slidably connected to the limiting rods 17, and the limiting rods 17 are fixedly connected to the screening roller 1. When the annular plate 11 moves, it will move along the limiting rods 17 to ensure the stability of the annular plate 11 during reciprocating movement.

[0026] In this embodiment, both sides of the screening drum 1 are fixedly connected to a first rotating shaft 18, and both first rotating shafts 18 are fitted with a third bearing 19. The inner wall of the inner ring of the third bearing 19 is fixedly connected to the first rotating shaft 18, and the inner wall of the outer ring of the third bearing 19 is fixedly connected to a fixed seat 20.

[0027] In this embodiment, six fixing rods 21 are fixedly connected to the inner walls of both sides of the fixing base 20, and the six fixing rods 21 are fixedly connected to the first toothed ring 16.

[0028] In this embodiment, a material inlet 22 is provided on the screening drum 1, and a cover plate 23 is provided at the position of the material inlet 22. The cover plate 23 is fixed on the screening drum 1 by screws. By removing the cover plate 23, the coarse dry powder that has not been screened out can be taken out from the screening drum 1. Alternatively, the material can be fed into the screening drum 1 through the material inlet 22.

[0029] In this embodiment, a second toothed ring 24 is fixedly connected to the outer wall of the screening drum 1. The second toothed ring 24 is meshed with a second gear 25. A second rotating shaft 26 is fixedly connected to one side of the second gear 25. A fourth bearing 27 is sleeved on the second rotating shaft 26. The inner wall of the inner ring of the fourth bearing 27 is fixedly connected to the second rotating shaft 26. A fixed seat 20 is fixedly connected to the outer wall of the outer ring of the fourth bearing 27. A motor 28 is fixedly connected to one side of the fixed seat 20. The output end of the motor 28 is connected to the second rotating shaft 26 through a coupling.

[0030] In this embodiment, a receiving box 29 is provided at the bottom of the screening drum 1 to collect the screened fine dry powder.

[0031] Working principle: In use, remove the cover plate 23, put the dry powder material into the screening drum 1, and fix the cover plate 23 to the screening drum 1 with screws. Place the receiving box 29 directly below the screening drum 1. Connect to an external power supply. Start the motor 28 through the external controller. The output end of the motor 28 will drive the coupling to rotate, the coupling will drive the second rotating shaft 26 to rotate, the second rotating shaft 26 will drive the second gear 25 to rotate, the second gear 25 will drive the second gear ring 24 to rotate, and the second gear ring 24 will drive the screening drum 1 to rotate, thus screening the dry powder in the screening drum 1. The fine dry powder that is screened out will be discharged through the sieve holes on the screening drum 1 and fall into the receiving box 29 for receiving. The coarse dry powder will remain in the screening drum 1. During the rotation of the screening drum 1, the sleeve 2 will also move, which in turn will drive the drive shaft 3 to move. The drive shaft 3 will then drive the stirring rod 4 to move, thus stirring the dry powder. The rotation of the screening drum 1 will also drive the first bearing 9 to move, which in turn will drive the cylinder 8 to move. The cylinder 8 will then drive the first gear 6 to move, which will move along the first gear ring 16. Therefore, the first gear 6 will rotate during the movement. This rotation causes the slider 7 to rotate, which in turn drives the drive shaft 3 to rotate. The drive shaft 3 then drives the stirring rod 4 to rotate, further improving the stirring effect. When the screening drum 1 rotates, it also moves the limiting rod 17, which in turn moves the annular plate 11. The annular plate 11 then moves the fixed shaft 12, which in turn moves the roller 13 along the annular groove 15. As a result, the roller 13 continuously moves away from and towards the screening drum 1, reciprocating slightly. This reciprocating motion of the roller 13 drives the fixed shaft 12 to move back and forth, causing the annular plate 11 to move along the annular groove 15. When the limit rod 17 reciprocates, the annular plate 11 drives the second bearing 10 to reciprocate, which in turn drives the drive shaft 3 to reciprocate. The drive shaft 3 then drives the stirring rod 4 to reciprocate. As the stirring rod 4 rotates, it reciprocates, further enhancing the stirring effect and ensuring that the dry powder in the screening drum 1 is thoroughly stirred and dispersed. During the reciprocating motion of the drive shaft 3, the slider 7 moves within the chute 5, allowing the first gear 6 to continue rotating. After the screening process is completed, the cover plate 23 is removed, and the coarse dry powder is collected using a new receiving box 29.

[0032] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A dry powder processor, comprising a screening drum (1), characterized in that, Two sleeves (2) are fixedly connected to the inner walls of both sides of the screening drum (1). The same drive shaft (3) is rotatably connected to the two sleeves (2) at the same end. Several stirring rods (4) are fixedly connected to the outer wall of the drive shaft (3). Two sliding grooves (5) are opened at one end of the drive shaft (3). A first gear (6) is sleeved on the drive shaft (3). Two sliders (7) are fixedly connected to the inner wall of the first gear (6). The sliders (7) are set in the sliding grooves (5). The sliders (7) are slidably connected to the drive shaft (3). A cylinder (8) is fixedly connected to one side of the first gear (6). A first bearing (9) is fixedly connected to the outer wall of the cylinder (8). The inner ring of the first bearing (9) is fixedly connected to the inner wall of the cylinder (8). The outer ring is fixedly connected to the outer wall of the screening drum (1). The drive shaft (3) is fitted with a second bearing (10) at the end away from the first gear (6). The inner wall of the inner ring of the second bearing (10) is fixedly connected to the drive shaft (3). The outer walls of the outer rings of the two second bearings (10) are fixedly connected to the same annular plate (11). The inner wall of the annular plate (11) is fixedly connected to a fixed shaft (12). The outer wall of the fixed shaft (12) is rotatably connected to a roller (13). A round tube (14) is provided on one side of the screening drum (1). An annular groove (15) is provided on the round tube (14). The annular groove (15) is a closed-loop groove. The roller (13) is located in the annular groove (15). The first gear (6) is meshed with a first toothed ring (16).

2. The dry powder processor according to claim 1, characterized in that, Two limiting rods (17) are provided on the annular plate (11), the annular plate (11) is slidably connected to the limiting rods (17), and the limiting rods (17) are fixedly connected to the screening roller (1).

3. The dry powder processor according to claim 2, characterized in that, Both sides of the screening drum (1) are fixedly connected to a first rotating shaft (18), and both first rotating shafts (18) are fitted with a third bearing (19). The inner wall of the inner ring of the third bearing (19) is fixedly connected to the first rotating shaft (18), and the inner wall of the outer ring of the third bearing (19) is fixedly connected to a fixed seat (20).

4. The dry powder processor according to claim 3, characterized in that, Six fixing rods (21) are fixedly connected to the inner walls of both sides of the fixing seat (20), and the six fixing rods (21) are fixedly connected to the first toothed ring (16).

5. The dry powder processor according to claim 1, characterized in that, The screening drum (1) has a material inlet (22), and a cover plate (23) is provided at the material inlet (22) of the screening drum (1). The cover plate (23) is fixed to the screening drum (1) by screws.

6. The dry powder processor according to claim 5, characterized in that, The outer wall of the screening drum (1) is fixedly connected to a second toothed ring (24), which is meshed with a second gear (25). A second rotating shaft (26) is fixedly connected to one side of the second gear (25). A fourth bearing (27) is sleeved on the second rotating shaft (26). The inner wall of the inner ring of the fourth bearing (27) is fixedly connected to the second rotating shaft (26). The outer wall of the outer ring of the fourth bearing (27) is fixedly connected to a fixed seat (20). A motor (28) is fixedly connected to one side of the fixed seat (20). The output end of the motor (28) is connected to the second rotating shaft (26) through a coupling.

7. The dry powder processor according to claim 6, characterized in that, The bottom of the screening drum (1) is provided with a receiving box (29).