Grading device for atomized aluminum powder

Abstract

The utility model discloses a grading device for atomized aluminum powder, which relates to the field of screening and grading and comprises a shell and a screening mechanism arranged in the shell. The screening mechanism comprises a screening barrel, a sealing plate and a shaft barrel; the screening barrel and the shaft barrel are of hollow structures, and the two ends of the screening barrel and the two ends of the shaft barrel are open; one end of the screening cylinder is attached to the inner wall of the shell, and the sealing plate is arranged at the other end of the screening cylinder. The shaft barrel is arranged on the sealing plate, and one end of the shaft barrel communicates with the screening barrel. One end of the shaft barrel penetrates through the shell, the other end of the shaft barrel penetrates through the shell, a gear sleeve is arranged on the outer wall of the shaft barrel, a driving wheel is meshed with the gear sleeve, a first motor is arranged on the shell, and the output end of the first motor is fixedly connected with the driving wheel through a rotating shaft; the grading device does not need to be shut down, discharging can be carried out synchronously while screening is carried out, too large space does not need to be reserved, the grading effect is met, and the grading efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of screening and grading, in particular to a grading device for atomized aluminum powder. Background Art

[0002] Atomized aluminum powder is an aluminum powder produced by atomization method with an average diameter of no more than 30μm. It is mainly used in applications such as rocket solid fuel and other advanced coatings.

[0003] During the production process of atomized aluminum powder, aluminum powder of different diameters is mixed in the aluminum powder and needs to be screened and graded. However, the existing screening and grading device needs to be shut down when discharging materials to ensure that there is enough space in the vibrating screen for screening. The grading effect often cannot meet production needs, reducing the efficiency of grading. Utility Model Content

[0004] The utility model aims to provide a grading device for atomized aluminum powder, which does not need to be shut down, can discharge materials simultaneously during screening, does not need to reserve too much space, satisfies the grading effect, and improves the grading efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grading device for atomized aluminum powder, comprising a shell and a screening mechanism arranged in the shell; the screening mechanism comprises a screening cylinder, a sealing plate, and a shaft cylinder; the screening cylinder and the shaft cylinder are both hollow structures, and both ends of the screening cylinder and the shaft cylinder are open; one end of the screening cylinder is in contact with the inner wall of the shell, and the sealing plate is arranged at the other end of the screening cylinder; the shaft cylinder is arranged on the sealing plate, and one end of the shaft cylinder is connected with the screening cylinder; the other end of the shaft cylinder passes through the shell, a gear sleeve is arranged on the outer wall of the shaft cylinder, a driving wheel is meshed on the gear sleeve, a first motor is arranged on the shell, and the output end of the first motor is fixedly connected to the driving wheel through a rotating shaft;

[0006] The screening cylinder is composed of a plurality of connecting sleeves and a plurality of screen sleeves, and the plurality of connecting sleeves and the plurality of screen sleeves are both annular structures, and the plurality of screen sleeves are respectively arranged between two connected connecting sleeves, and the plurality of screen sleeves are provided with screen holes, and the apertures of the screen holes on the plurality of screen sleeves increase successively from right to left; the outer walls of the plurality of connecting sleeves are provided with limiting grooves, and the inner wall of the outer shell is provided with a partition plate adapted to the limiting groove, and the side of the partition plate away from the outer shell is located in the limiting groove; the bottom of the outer shell is provided with a discharge port, and the discharge port is located between two connected partition plates; the left side of the outer shell is provided with a side discharge pipe connected with the screening cylinder.

[0007] In order to ensure that the connecting cylinder does not rotate synchronously with the shaft cylinder, as a preferred grading device for atomized aluminum powder of the utility model, a connecting cylinder with an open end is provided at one end of the shaft cylinder away from the screening cylinder, a sliding sleeve is provided on the open side of the connecting cylinder, a sliding groove matched with the sliding sleeve is provided on the side of the shaft cylinder facing the connecting cylinder, the sliding sleeve is located in the sliding groove, and the sliding sleeve can slide in the sliding groove, a feed port is provided at the top of the connecting cylinder; a fixing frame fixedly connected to the outer shell is provided at the bottom of the connecting cylinder.

[0008] In order to facilitate the automatic transportation of atomized aluminum powder into the screening cylinder, as a preferred grading device for atomized aluminum powder of the utility model, an auger is arranged inside the shaft cylinder and the connecting cylinder, a second motor is arranged on the connecting cylinder, and the output end of the second motor is fixedly connected to one end of the auger through a rotating shaft.

[0009] In order to enable the grading device to achieve the vibration function, as a preferred grading device for atomized aluminum powder of the utility model, a vibration motor is arranged on the shell, and a base, a limit rod, a spring, a support plate, and a leg are arranged below the shell; the upper end of the leg is arranged on the shell, the support plate is arranged at the bottom of the leg, the spring is arranged between the support plate and the base, the limit rod is vertically arranged on the base, and the upper end of the limit rod passes through the spring and the support plate.

[0010] In order to facilitate the collection of the classified atomized aluminum powder, as a preferred grading device for atomized aluminum powder of the utility model, a plurality of receiving frames are arranged on the base, and the plurality of receiving frames are respectively located below the discharge port and the side discharge pipe.

[0011] In order to facilitate viewing of the internal conditions of the shell, as a preferred embodiment of the grading device for atomized aluminum powder of the utility model, a transparent window is provided on the shell.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model starts the first motor to rotate the auger, which is easy to push the atomized aluminum powder into the screening cylinder; starts the first motor, the driving wheel and the gear sleeve are meshed to rotate the shaft cylinder, and the rotation of the shaft cylinder drives the screening cylinder to rotate synchronously, and the screening cylinder is easy to screen the atomized aluminum powder when it rotates, and the screen holes on the screen sleeves between two adjacent connecting sleeves are inconsistent, and the left end of the screening cylinder is slightly lower than the right end. The atomized aluminum powder is screened from right to left in turn, and the atomized aluminum powder can be graded and screened. The partition plays a separating role, and it is easy to separate the atomized aluminum powder screened out by the corresponding screen sleeve; the grading function is realized; and the discharge port and the side discharge pipe can continuously discharge the graded atomized aluminum powder, and the grading device does not need to be shut down, and there is no need to set too much space between the shell and the screening cylinder, so the grading requirements are met, and the shell plays a role in gathering the atomized aluminum powder to prevent the atomized aluminum powder from splashing and drifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 AA structural diagram;

[0016] Figure 3 for Figure 2 Schematic diagram of the enlarged structure at point B in the middle.

[0017] In the figure: 1. outer shell; 2. screening cylinder; 3. sealing plate; 4. shaft cylinder; 5. gear sleeve; 6. driving wheel; 7. first motor; 8. connecting sleeve; 9. screen sleeve; 10. screen hole; 11. limiting groove; 12. partition; 13. discharge port; 14. side discharge pipe; 15. connecting cylinder; 16. sliding sleeve; 17. sliding groove; 18. feed port; 19. fixing frame; 20. auger; 21. second motor; 22. vibration motor; 23. base; 24. limiting rod; 25. spring; 26. support plate; 27. support leg; 28. receiving frame; 29. ​​transparent window. DETAILED DESCRIPTION

[0018] See also Figures 1 to 3 A grading device for atomized aluminum powder comprises a shell 1 and a screening mechanism arranged in the shell 1; the screening mechanism comprises a screening cylinder 2, a sealing plate 3, and a shaft cylinder 4; the screening cylinder 2 and the shaft cylinder 4 are both hollow structures, and both ends of the screening cylinder 2 and the shaft cylinder 4 are open; one end of the screening cylinder 2 is in contact with the inner wall of the shell 1, and the sealing plate 3 is arranged on the other end of the screening cylinder 2; the shaft cylinder 4 is arranged on the sealing plate 3, and one end of the shaft cylinder 4 is connected with the screening cylinder 2; the other end of the shaft cylinder 4 passes through the shell 1, and a gear sleeve 5 is arranged on the outer wall of the shaft cylinder 4, and a driving wheel 6 is meshed on the gear sleeve 5, and a first motor 7 is arranged on the shell 1, and the output end of the first motor 7 is fixedly connected with the driving wheel 6 through a rotating shaft;

[0019] The screening cylinder 2 is composed of a plurality of connecting sleeves 8 and a plurality of screen sleeves 9, both of which are annular structures, and the plurality of screen sleeves 9 are respectively arranged between two connected connecting sleeves 8, and the plurality of screen sleeves 9 are provided with screen holes 10, and the apertures of the screen holes 10 on the plurality of screen sleeves 9 increase successively from right to left; a plurality of connecting sleeves 8 are provided with limiting grooves 11 on the outer walls, and a partition 12 matched with the limiting grooves 11 is provided on the inner wall of the outer shell 1, and the side of the partition 12 away from the outer shell 1 is located in the limiting groove 11; a discharge port 13 is provided at the bottom of the outer shell 1, and the discharge port 13 is located between two connected partitions 12; a side discharge pipe 14 connected with the screening cylinder 2 is provided on the left side of the outer shell 1.

[0020] In this embodiment: the atomized aluminum powder enters the screening cylinder 2 through one end of the shaft cylinder 4; the first motor 7 is started, the driving wheel 6 and the gear sleeve 5 are engaged, so that the shaft cylinder 4 rotates, and the screening cylinder 2 is driven to rotate synchronously when the shaft cylinder 4 rotates. When the screening cylinder 2 rotates, it is easy to screen the atomized aluminum powder, and the sieve holes 10 on the screen sleeve 9 between the two adjacent connecting sleeves 8 are inconsistent. The left end of the screening cylinder 2 is slightly lower than the right end. The atomized aluminum powder is screened from right to left in sequence, and the atomized aluminum powder can be graded and screened. The partition 12 plays a separating role, which is easy to separate the atomized aluminum powder screened out by the corresponding screen sleeve 9. The shell 1 plays a role in gathering the atomized aluminum powder to avoid splashing and scattering of the atomized aluminum powder; the discharge port 13 and the side discharge pipe 14 can continuously discharge the classified atomized aluminum powder, without the need to shut down the grading device, and there is no need to set too much space between the shell 1 and the screening cylinder 2 to meet the grading requirements.

[0021] As a technical optimization solution of the utility model, a connecting cylinder 15 with an open end is provided at one end of the shaft cylinder 4 away from the screening cylinder 2, a sliding sleeve 16 is provided on the open side of the connecting cylinder 15, a sliding groove 17 adapted to the sliding sleeve 16 is provided on the side of the shaft cylinder 4 facing the connecting cylinder 15, the sliding sleeve 16 is located in the sliding groove 17, and the sliding sleeve 16 can slide in the sliding groove 17, a feed port 18 is provided at the top of the connecting cylinder 15; a fixing frame 19 fixedly connected to the outer shell 1 is provided at the bottom of the connecting cylinder 15.

[0022] In this embodiment: the fixing frame 19 fixes the connecting cylinder 15, and the connecting cylinder 15 is arranged in the slide groove 17 on one side of the shaft cylinder 4 through the sliding sleeve 16, ensuring that when the shaft cylinder 4 rotates, the connecting cylinder 15 will not rotate synchronously, and the atomized aluminum powder can be easily transported into the screening cylinder 2 through the feed port 18.

[0023] As a technical optimization solution of the utility model, an auger 20 is arranged inside the shaft tube 4 and the connecting tube 15, a second motor 21 is arranged on the connecting tube 15, and the output end of the second motor 21 is fixedly connected to one end of the auger 20 through a rotating shaft.

[0024] In this embodiment, the first motor 7 is started, and the auger 20 is rotated, so that the atomized aluminum powder is easily pushed into the screening cylinder 2 for screening.

[0025] As a technical optimization solution of the utility model, a vibration motor 22 is arranged on the outer shell 1, and a base 23, a limiting rod 24, a spring 25, a support plate 26, and a leg 27 are arranged below the outer shell 1; the upper end of the leg 27 is arranged on the outer shell 1, the support plate 26 is arranged at the bottom of the leg 27, the spring 25 is arranged between the support plate 26 and the base 23, the limiting rod 24 is vertically arranged on the base 23, and the upper end of the limiting rod 24 passes through the spring 25 and the support plate 26.

[0026] In this embodiment: the support leg 27 is arranged on the base 23 through the spring 25, and the vibration motor 22 is started to make the shell 1 and the screening cylinder 2 achieve a vibration effect. The shell 1 and the screening cylinder 2 vibrate, which can avoid the clogging of the sieve holes on the screening cylinder 2, improve the screening quality, and facilitate the residual atomized aluminum powder on the shell 1 and the screening cylinder 2 to fall off; the limit rod 24 limits the support plate 26.

[0027] As a technical optimization solution of the present invention, a plurality of receiving frames 28 are provided on the base 23 , and the plurality of receiving frames 28 are respectively located below the discharge port 13 and the side discharge pipe 14 .

[0028] In this embodiment, the receiving frame 28 is easy to receive the screened atomized aluminum powder.

[0029] As a technical optimization solution of the present utility model, a transparent window 29 is provided on the housing 1 .

[0030] In this embodiment, the screening condition of the screening cylinder 2 inside the housing can be easily viewed through the transparent window 29 .

[0031] Working principle: Atomized aluminum powder is put into the connecting cylinder 15 through the feed port 18, the first motor 7 is started, and the auger 20 rotates, which makes it easy to push the atomized aluminum powder into the screening cylinder 2. The first motor 7 is started, the driving wheel 6 and the gear sleeve 5 are meshed, so that the shaft cylinder 4 rotates. When the shaft cylinder 4 rotates, it drives the screening cylinder 2 to rotate synchronously. When the screening cylinder 2 rotates, it is easy to screen the atomized aluminum powder. The sieve holes 10 on the screen sleeve 9 between two adjacent connecting sleeves 8 are inconsistent. The left end of the screening cylinder 2 is slightly lower than the right end. The atomized aluminum powder is screened from right to left in turn, and the atomized aluminum powder can be graded and screened. The partition 12 plays a separating role, which makes it easy to screen the corresponding The atomized aluminum powder screened out by the sleeve 9 is separated; the grading function is realized; the outer shell 1 plays the role of gathering the atomized aluminum powder to avoid splashing and scattering of the atomized aluminum powder. The discharge port 13 and the side discharge pipe 14 can continuously discharge the atomized aluminum powder after grading, and there is no need to shut down the grading device. There is no need to set too much space between the outer shell 1 and the screening cylinder 2 to meet the grading requirements. The receiving frame 28 is easy to collect the atomized aluminum powder after screening and grading. During grading and screening, the vibration motor 22 can be started at the same time to make the outer shell 1 and the screening cylinder 2 achieve a vibration effect, avoid clogging of the sieve holes on the screening cylinder 2, improve the screening quality, and make it easy for the residual atomized aluminum powder on the outer shell 1 and the screening cylinder 2 to fall off.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A classification device for atomized aluminum powder, characterized in that: The invention comprises a housing (1) and a screening mechanism arranged in the housing (1); the screening mechanism comprises a screening cylinder (2), a sealing plate (3) and a shaft cylinder (4); the screening cylinder (2) and the shaft cylinder (4) are both hollow structures, and both ends of the screening cylinder (2) and the shaft cylinder (4) are open; one end of the screening cylinder (2) is in contact with the inner wall of the housing (1), and the sealing plate (3) is arranged on the other end of the screening cylinder (2); the shaft cylinder (4) is arranged on the sealing plate (3), and one end of the shaft cylinder (4) is connected to the screening cylinder (2); the other end of the shaft cylinder (4) passes through the housing (1), a gear sleeve (5) is arranged on the outer wall of the shaft cylinder (4), and a driving wheel (6) is meshed on the gear sleeve (5); a first motor (7) is arranged on the housing (1), and an output end of the first motor (7) is fixedly connected to the driving wheel (6) via a rotating shaft; The screening cylinder (2) is composed of a plurality of connecting sleeves (8) and a plurality of screen sleeves (9). The plurality of connecting sleeves (8) and the plurality of screen sleeves (9) are both annular in structure. The plurality of screen sleeves (9) are respectively arranged between two connected connecting sleeves (8). The plurality of screen sleeves (9) are provided with screen holes (10), and the apertures of the screen holes (10) on the plurality of screen sleeves (9) increase in sequence from right to left. The plurality of connecting sleeves (8) are provided with limiting grooves (11) on their outer walls. The inner wall of the outer shell (1) is provided with a partition plate (12) adapted to the limiting groove (11). The side of the partition plate (12) away from the outer shell (1) is located in the limiting groove (11). The bottom of the outer shell (1) is provided with a discharge port (13), and the discharge port (13) is located between two connected partition plates (12). The left side of the outer shell (1) is provided with a side discharge pipe (14) connected to the screening cylinder (2).

2. The classifying device for atomized aluminum powder according to claim 1, characterized in that: A connecting cylinder (15) having an open end is arranged at one end of the shaft cylinder (4) away from the screening cylinder (2); a sliding sleeve (16) is arranged on the open side of the connecting cylinder (15); a sliding groove (17) adapted to the sliding sleeve (16) is arranged on the side of the shaft cylinder (4) facing the connecting cylinder (15); the sliding sleeve (16) is located in the sliding groove (17) and can slide in the sliding groove (17); a feed port (18) is arranged at the top of the connecting cylinder (15); and a fixing frame (19) fixedly connected to the outer shell (1) is arranged at the bottom of the connecting cylinder (15).

3. The classifying device for atomized aluminum powder according to claim 2, characterized in that: An auger (20) is disposed inside the shaft cylinder (4) and the connecting cylinder (15), a second motor (21) is disposed on the connecting cylinder (15), and an output end of the second motor (21) is fixedly connected to one end of the auger (20) via a rotating shaft.

4. The classifying device for atomized aluminum powder according to claim 1, characterized in that: A vibration motor (22) is arranged on the housing (1), and a base (23), a limiting rod (24), a spring (25), a support plate (26), and a leg (27) are arranged below the housing (1); the upper end of the leg (27) is arranged on the housing (1), the support plate (26) is arranged at the bottom of the leg (27), the spring (25) is arranged between the support plate (26) and the base (23), the limiting rod (24) is vertically arranged on the base (23), and the upper end of the limiting rod (24) passes through the spring (25) and the support plate (26).

5. The classifying device for atomized aluminum powder according to claim 4, characterized in that: A plurality of receiving frames (28) are arranged on the base (23), and the plurality of receiving frames (28) are respectively located below the discharge port (13) and the side discharge pipe (14).

6. The classifying device for atomized aluminum powder according to claim 1, characterized in that: The housing (1) is provided with a transparent window (29).

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