Multi-stage screening device for aluminum paste production

Abstract

The invention relates to the technical field of screening devices, and discloses a multi-stage screening device for aluminum paste production, which comprises a discharging tank, the lower surface of the discharging tank is fixedly connected with a support frame, the upper surface of the discharging tank is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with a motor, and the motor is fixedly connected with the discharging tank. The bottom of the fixing frame is fixedly connected with a transmission motor. By arranging the crushing mechanism, firstly, aluminum powder is poured into a screening disc, then a transmission motor is started to drive a threaded rod to rotate, when the threaded rod rotates, a crushing disc can move downwards, the aluminum powder condensed together can be extruded, the aluminum powder is crushed and dispersed, and when the crushing disc moves, a right-angle plate can be driven to move downwards; when the right-angle plate moves, the sliding frame can be driven to slide downwards on the inner wall of the sliding groove, when the sliding frame slides, the push rod can be pushed to move in the direction close to each other, and when the push rod moves, the concentrated telescopic ring can be pushed to contract in the direction close to each other on the inner wall of the screening disc.

Description

Technical Field

[0001] The invention relates to the technical field of screening device equipment, and in particular to a multi-stage screening device for aluminum powder slurry production. Background Art

[0002] The aluminum powder in the aluminum paste has excellent hiding power and floating properties, is opaque to light, has the ability to reflect ultraviolet rays, and has a heat dissipation effect on the heat energy of sunlight. These characteristics make the aluminum paste have good weather resistance, corrosion resistance and excellent water resistance. Since aluminum powder is very easy to fly and spread, it is inconvenient to use, so aluminum powder is usually made into aluminum paste together with solvent oil so that it can be more conveniently used in various occasions.

[0003] In the prior art, when aluminum powder is screened, it is easy to form a whole block due to long-term sealed storage. At this time, workers are required to crush the aluminum powder and then screen it, which not only increases the labor for the workers, but also affects the efficiency of aluminum powder screening. Summary of the invention

[0004] The object of the present invention is to provide a multi-stage screening device for aluminum powder slurry production to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: The present invention is a multi-stage screening device for aluminum slurry production, comprising a discharge tank, a support frame fixedly connected to the lower surface of the discharge tank, a fixed frame fixedly connected to the upper surface of the discharge tank, a motor fixedly connected to the top of the fixed frame, a transmission motor fixedly connected to the bottom of the fixed frame, a screening disc fixedly connected to the inner wall of the discharge tank, and further comprising; A crushing mechanism, the crushing mechanism comprising a push rod, the end of the push rod is rotatably connected to a centralized telescopic ring, and the top of the centralized telescopic ring is fixedly connected to a driven frame; A vibration mechanism, the vibration mechanism comprising a passive plate, an end of the passive plate being rotatably connected to a contact frame; The positioning mechanism comprises a driven extension rod, and the end of the driven extension rod is fixedly connected with a positioning telescopic ring.

[0006] Furthermore, a slide groove is provided on the inner wall of the discharge tank, a discharge hole is provided on the bottom of the discharge tank, two screening discs are provided, both of which are arranged on the inner wall of the discharge tank, and four support frames are provided, which are symmetrically arranged with the discharge tank as the center.

[0007] Furthermore, the crushing mechanism includes a threaded rod, a crushing disk is threadedly connected to the surface of the threaded rod, a right-angle plate is fixedly connected to the surface of the crushing disk, a sliding frame is fixedly connected to one end of the right-angle plate away from the crushing disk, and a force spring is fixedly connected to the bottom of the sliding frame.

[0008] Furthermore, the end of the threaded rod is fixedly connected to the output end of the transmission motor, the end of the threaded rod away from the transmission motor is rotatably connected to the inner wall of the screening disk, the surface of the sliding frame is slidably connected to the inner wall of the slide groove, and the bottom of the concentrated telescopic ring contacts the inner wall of the screening disk.

[0009] Furthermore, the vibration mechanism includes a vibration plate, a surface of the vibration plate is fixedly connected to a slide rail, a surface of the slide rail is slidably connected to a movable plate, the bottom of the vibration plate is fixedly connected to a vibration telescopic rod, the bottom of the movable plate is fixedly connected to a movable frame, the end of the movable plate is fixedly connected to a limiting spring, and the output end of the motor is fixedly connected to a vibration roller.

[0010] Furthermore, one end of the driven frame away from the centralized telescopic ring is fixedly connected to the surface of the movable plate, one end of the vibrating telescopic rod away from the vibrating plate is fixedly connected to the surface of the fixed frame, one end of the passive plate away from the contact frame is rotatably connected to the surface of the movable frame, and the surface of the vibrating roller contacts the bottom of the vibrating plate.

[0011] Furthermore, the positioning mechanism includes a bent rod, the end of the bent rod is rotatably connected to a lower push frame, the surface of the driven extension rod is fixedly connected to a long rod, the end of the long rod away from the driven extension rod is rotatably connected to a push plate, the end of the push plate away from the long rod is rotatably connected to a passive slide, the end of the passive slide is fixedly connected to a limiting elastic rod, the bottom of the passive slide is fixedly connected to a driving telescopic rod, and the surface of the discharge tank is fixedly connected to a slide plate.

[0012] Furthermore, one end of the bending rod away from the lower push frame is fixedly connected to the surface of the movable plate, one end of the lower push frame away from the bending rod is rotatably connected to the end of the driven extension rod, the end of the passive slide plate is slidably connected to the inner wall of the slide plate, and the end of the driving telescopic rod away from the passive slide plate is fixedly connected to the surface of the driven extension rod.

[0013] The present invention has the following beneficial effects: The present invention provides a crushing mechanism. First, aluminum powder is poured into the interior of the screening disk. Then, the transmission motor is started to drive the threaded rod to rotate. When the threaded rod rotates, the crushing disk moves downward, and the aluminum powder condensed together can be squeezed to break up the aluminum powder. When the crushing disk moves, the right-angle plate moves downward. When the right-angle plate moves, the sliding frame slides downward on the inner wall of the slide groove. When the sliding frame slides, it pushes the push rod to move toward each other. When the push rod moves, it pushes the concentrating telescopic ring to shrink on the inner wall of the screening disk toward each other. The scattered aluminum powder can be gathered together, the efficiency of aluminum powder breaking is increased, labor is saved for the staff, and the screening efficiency is improved. When the concentrating telescopic ring shrinks, it drives the driven frame to move toward each other.

[0014] The present invention sets a vibration mechanism, when the driven frame moves, it will drive the moving plate to move in the direction of approaching each other on the surface of the slide rail, when the moving plate moves, it will drive the moving frame to move in the direction of approaching each other, when the moving frame moves, it will push the limit spring for extrusion, when the moving frame reaches a suitable position, it will be limited by the limit spring, when the moving frame moves, it will push the passive plate to move in the direction of approaching each other, when the passive plate moves, it will push the contact frame to move in the direction of approaching each other and contact with the outer wall of the screening disk, at this time, the motor is started to drive the vibration roller to rotate, when the vibration roller rotates, it will contact with the bottom of the vibration plate, thereby generating vibration, when the vibration plate vibrates, it will make the moving plate vibrate, when the moving plate vibrates, it will drive the moving frame to vibrate, when the moving frame vibrates, it will drive the passive plate to vibrate, when the passive plate vibrates, it will drive the contact frame to vibrate, so as to effectively improve the efficiency of aluminum powder screening.

[0015] The present invention sets a positioning mechanism, when the moving plate moves, it will drive the bent rod to move in the direction of approaching each other, when the bent rod moves, it will push the lower push frame to move downward, when the lower push frame moves, it will push the driven extension rod to move downward, when the driven extension rod moves, it will push the positioning telescopic ring to move downward, so as to achieve positioning during discharging, when the driven extension rod moves, it will pull and drive the telescopic rod to extend downward, when the driven extension rod moves, it will drive the long rod to move downward, when the long rod moves, it will drive the push plate to move downward, when the push plate moves, it will push the passive slide plate to move in the direction of approaching each other on the inner wall of the slide plate, when the passive slide plate moves, it will drive the driven extension rod to extend in the direction of approaching each other, when the driven extension rod extends, it will push the positioning telescopic ring to shrink in the direction of approaching each other, so as to reach the range of discharging for concentration.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention; Figure 3 This is a schematic diagram of the overall structure of the crushing mechanism of the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the enlarged structure of part A; Figure 5 It is a schematic diagram of the overall structure of the vibration mechanism of the present invention; Figure 6 This is a schematic diagram of the structure of the vibration roller of the present invention; Figure 7 It is a schematic diagram of the overall structure of the positioning mechanism of the present invention; Figure 8 This is a schematic diagram of the positioning telescopic ring structure of the present invention.

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows: In the figure: 1. discharge tank; 2. support frame; 3. fixed frame; 4. motor; 5. transmission motor; 6. screening plate; 10. crushing mechanism; 11. threaded rod; 12. crushing plate; 13. right-angle plate; 14. sliding frame; 15. force spring; 16. push rod; 17. centralized telescopic ring; 18. driven frame; 30. vibration mechanism; 31. vibration plate; 32. slide rail; 33. moving plate; 34. vibrating telescopic rod; 35. moving frame; 36. limit spring; 37. passive plate; 38. contact frame; 39. vibrating roller; 50. positioning mechanism; 51. bending rod; 52. push frame; 53. driven extension rod; 54. positioning telescopic ring; 55. long rod; 56. push plate; 57. passive slide plate; 58. limit elastic rod; 59. drive telescopic rod; 60. slide plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-Figure 8 As shown, the present invention is a multi-stage screening device for aluminum slurry production, comprising a discharge tank 1, a support frame 2 is fixedly connected to the lower surface of the discharge tank 1, a fixing frame 3 is fixedly connected to the upper surface of the discharge tank 1, a motor 4 is fixedly connected to the top of the fixing frame 3, a transmission motor 5 is fixedly connected to the bottom of the fixing frame 3, a screening disc 6 is fixedly connected to the inner wall of the discharge tank 1, and further comprising; The crushing mechanism 10 includes a push rod 16. When the sliding frame 14 slides, the push rod 16 is pushed to move in a direction close to each other. The end of the push rod 16 is rotatably connected with a central telescopic ring 17. When the push rod 16 moves, the central telescopic ring 17 is pushed to shrink in a direction close to each other on the inner wall of the screening plate 6, so that the dispersed aluminum powder can be gathered together, the efficiency of breaking the aluminum powder is increased, and the labor is saved for the staff, and the screening efficiency is improved. The top of the central telescopic ring 17 is fixedly connected with a driven frame 18. When the central telescopic ring 17 shrinks, it drives the driven frame 18 to move in a direction close to each other; The vibration mechanism 30 includes a passive plate 37. When the moving frame 35 moves, the passive plate 37 is pushed to move in a direction close to each other. The end of the passive plate 37 is rotatably connected to a contact frame 38. When the passive plate 37 moves, the contact frame 38 is pushed to move in a direction close to each other and contact the outer wall of the screening plate 6. The positioning mechanism 50 includes a driven extension rod 53. When the lower push frame 52 moves, the driven extension rod 53 is pushed to move downward. The end of the driven extension rod 53 is fixedly connected with a positioning telescopic ring 54. When the driven extension rod 53 moves, the positioning telescopic ring 54 is pushed to move downward, thereby achieving positioning when discharging.

[0022] A slide groove is provided on the inner wall of the discharge tank 1, a discharge hole is provided on the bottom of the discharge tank 1, two screening discs 6 are provided, and both screening discs 6 are provided on the inner wall of the discharge tank 1, and four support frames 2 are provided, and the four support frames 2 are symmetrically arranged with the discharge tank 1 as the center.

[0023] The crushing mechanism 10 includes a threaded rod 11, and a crushing disk 12 is threadedly connected to the surface of the threaded rod 11. When the threaded rod 11 rotates, the crushing disk 12 will move downward, and the aluminum powder condensed together can be squeezed to break the aluminum powder apart. A right-angle plate 13 is fixedly connected to the surface of the crushing disk 12. When the crushing disk 12 moves, it drives the right-angle plate 13 to move downward. The end of the right-angle plate 13 away from the crushing disk 12 is fixedly connected to a sliding frame 14, and the bottom of the sliding frame 14 is fixedly connected to a force spring 15.

[0024] The end of the threaded rod 11 is fixedly connected to the output end of the transmission motor 5, and the end of the threaded rod 11 away from the transmission motor 5 is rotatably connected to the inner wall of the screening disk 6. First, pour the aluminum powder into the interior of the screening disk 6, and then start the transmission motor 5 to drive the threaded rod 11 to rotate. The surface of the sliding frame 14 is slidably connected to the inner wall of the slide groove. When the right-angle plate 13 moves, it will drive the sliding frame 14 to slide downward on the inner wall of the slide groove, and the bottom of the concentrated telescopic ring 17 will contact the inner wall of the screening disk 6.

[0025] The vibration mechanism 30 includes a vibration plate 31, a slide rail 32 is fixedly connected to the surface of the vibration plate 31, a movable plate 33 is slidably connected to the surface of the slide rail 32, a vibration telescopic rod 34 is fixedly connected to the bottom of the vibration plate 31, and a movable frame 35 is fixedly connected to the bottom of the movable plate 33. When the movable plate 33 moves, the movable frame 35 is driven to move in a direction close to each other, and when the movable plate 33 vibrates, the movable frame 35 is driven to vibrate. The end of the movable plate 33 is fixedly connected to a limiting spring 36, and when the movable frame 35 moves, the limiting spring 36 is pushed to be squeezed, and when the movable frame 35 reaches a suitable position, it is limited by the limiting spring 36. The output end of the motor 4 is fixedly connected to a vibration roller 39. At this time, the motor 4 is started to drive the vibration roller 39 to rotate. When the movable frame 35 vibrates, the passive plate 37 is driven to vibrate, and when the passive plate 37 vibrates, the contact frame 38 is driven to vibrate, which can effectively improve the efficiency of aluminum powder screening.

[0026] One end of the driven frame 18 away from the central telescopic ring 17 is fixedly connected to the surface of the movable plate 33. When the vibration plate 31 vibrates, the movable plate 33 will vibrate. When the driven frame 18 moves, it will drive the movable plate 33 to move towards each other on the surface of the slide rail 32. One end of the vibration telescopic rod 34 away from the vibration plate 31 is fixedly connected to the surface of the fixed frame 3. When the vibration roller 39 rotates, it will contact the bottom of the vibration plate 31, thereby generating vibration. One end of the passive plate 37 away from the contact frame 38 is rotationally connected to the surface of the movable frame 35, and the surface of the vibration roller 39 contacts the bottom of the vibration plate 31.

[0027] The positioning mechanism 50 includes a bent rod 51. When the moving plate 33 moves, the bent rod 51 is driven to move in a direction close to each other. The end of the bent rod 51 is rotatably connected to the lower push frame 52. The surface of the driven extension rod 53 is fixedly connected to a long rod 55. When the driven extension rod 53 moves, the long rod 55 is driven to move downward. When the passive slide plate 57 moves, the driven extension rod 53 is driven to extend in a direction close to each other. The end of the long rod 55 away from the driven extension rod 53 is rotatably connected to a push plate 56. When the long rod 55 moves, the push plate 56 is driven to move downward, and the push plate 56 is away from the long rod One end of the rod 55 is rotatably connected to a passive slide plate 57. When the push plate 56 moves, it will push the passive slide plate 57 to move in the direction of approaching each other on the inner wall of the slide plate 60. The end of the passive slide plate 57 is fixedly connected to a limiting elastic rod 58. The bottom of the passive slide plate 57 is fixedly connected to a driving telescopic rod 59. When the driven extension rod 53 moves, it will pull the driving telescopic rod 59 to extend downward. The surface of the discharge tank 1 is fixedly connected to the slide plate 60. When the driven extension rod 53 extends, it will push the positioning telescopic ring 54 to shrink in the direction of approaching each other, thereby reaching the discharge range for concentration.

[0028] One end of the bent rod 51 away from the lower push frame 52 is fixedly connected to the surface of the movable plate 33. When the bent rod 51 moves, it will push the lower push frame 52 to move downward. One end of the lower push frame 52 away from the bent rod 51 is rotatably connected to the end of the driven extension rod 53. When the lower push frame 52 moves, it will push the driven extension rod 53 to move downward. The end of the passive slide plate 57 is slidably connected to the inner wall of the slide plate 60, driving the end of the telescopic rod 59 away from the passive slide plate 57 to be fixedly connected to the surface of the driven extension rod 53.

[0029] When in use, first pour the aluminum powder into the interior of the screening plate 6, then start the transmission motor 5 to drive the threaded rod 11 to rotate, when the threaded rod 11 rotates, the crushing plate 12 will move downward, and the aluminum powder condensed in one piece can be squeezed to break the aluminum powder apart, when the crushing plate 12 moves, it will drive the right-angle plate 13 to move downward, when the right-angle plate 13 moves, it will drive the sliding frame 14 to slide downward on the inner wall of the slide groove, when the sliding frame 14 slides, it will push the push rod 16 to move in a direction close to each other, when the push rod 16 moves, it will push the concentrating telescopic ring 17 to shrink in a direction close to each other on the inner wall of the screening plate 6, which can concentrate the scattered aluminum powder together, increase the efficiency of aluminum powder breaking, and It saves labor for the staff and improves the efficiency of screening. When the concentrated telescopic ring 17 contracts, it will drive the driven frame 18 to move in the direction of approaching each other. When the driven frame 18 moves, it will drive the moving plate 33 to move in the direction of approaching each other on the surface of the slide rail 32. When the moving plate 33 moves, it will drive the moving frame 35 to move in the direction of approaching each other. When the moving frame 35 moves, it will push the limit spring 36 for extrusion. When the moving frame 35 reaches the appropriate position, it will be limited by the limit spring 36. When the moving frame 35 moves, it will push the passive plate 37 to move in the direction of approaching each other. When the passive plate 37 moves, it will push the contact frame 38 to move in the direction of approaching each other. When the vibrating plate 31 vibrates, the movable plate 33 will be vibrated, and when the movable plate 33 vibrates, the movable frame 35 will be driven to vibrate, and when the movable frame 35 vibrates, the passive plate 37 will be driven to vibrate, and when the passive plate 37 vibrates, the contact frame 38 will be driven to vibrate, and when the movable plate 33 moves, the bent rod 51 will be driven to move in the direction of approaching each other, and when the bent rod 51 moves, it will push the lower push frame 52 to move downward, and when the lower push frame 52 moves, it will push the driven extension rod 53 to move downward, and when the lower push frame 52 moves, it will push the driven extension rod 53 to move downward. When the driven extension rod 53 moves, it will push the positioning telescopic ring 54 to move downward, thereby achieving positioning during discharging. When the driven extension rod 53 moves, it will pull and drive the telescopic rod 59 to extend downward. When the driven extension rod 53 moves, it will drive the long rod 55 to move downward. When the long rod 55 moves, it will drive the push plate 56 to move downward. When the push plate 56 moves, it will push the passive slide plate 57 to move toward each other on the inner wall of the slide plate 60. When the passive slide plate 57 moves, it will drive the driven extension rod 53 to extend toward each other. When the driven extension rod 53 extends, it will push the positioning telescopic ring 54 to shrink toward each other, thereby reaching the range of discharging for concentration.

[0030] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A multi-stage screening device for aluminum slurry production, comprising a discharge tank (1), a support frame (2) being fixedly connected to the lower surface of the discharge tank (1), a fixed frame (3) being fixedly connected to the upper surface of the discharge tank (1), a motor (4) being fixedly connected to the top of the fixed frame (3), a transmission motor (5) being fixedly connected to the bottom of the fixed frame (3), and a screening disc (6) being fixedly connected to the inner wall of the discharge tank (1), characterized in that: Also includes; A crushing mechanism (10), the crushing mechanism (10) comprising a push rod (16), the end of the push rod (16) being rotatably connected to a central telescopic ring (17), the top of the central telescopic ring (17) being fixedly connected to a driven frame (18); A vibration mechanism (30), the vibration mechanism (30) comprising a passive plate (37), an end portion of the passive plate (37) being rotatably connected to a contact frame (38); A positioning mechanism (50), the positioning mechanism (50) comprising a driven extension rod (53), the end of the driven extension rod (53) being fixedly connected to a positioning telescopic ring (54).

2. The multi-stage screening device for aluminum slurry production according to claim 1, characterized in that: The inner wall of the discharge tank (1) is provided with a slide groove, the bottom of the discharge tank (1) is provided with a discharge hole, the number of the screening discs (6) is two, and the two screening discs (6) are both arranged on the inner wall of the discharge tank (1), the number of the support frames (2) is four, and the four support frames (2) are symmetrically arranged with the discharge tank (1) as the center.

3. The multi-stage screening device for aluminum slurry production according to claim 2, characterized in that: The crushing mechanism (10) comprises a threaded rod (11), a crushing disc (12) being threadedly connected to the surface of the threaded rod (11), a right-angle plate (13) being fixedly connected to the surface of the crushing disc (12), a sliding frame (14) being fixedly connected to one end of the right-angle plate (13) away from the crushing disc (12), and a force-bearing spring (15) being fixedly connected to the bottom of the sliding frame (14).

4. The multi-stage screening device for aluminum slurry production according to claim 3, characterized in that: The end of the threaded rod (11) is fixedly connected to the output end of the transmission motor (5), the end of the threaded rod (11) away from the transmission motor (5) is rotatably connected to the inner wall of the screening disc (6), the surface of the sliding frame (14) is slidably connected to the inner wall of the slide groove, and the bottom of the central telescopic ring (17) is in contact with the inner wall of the screening disc (6).

5. The multi-stage screening device for aluminum slurry production according to claim 4, characterized in that: The vibration mechanism (30) comprises a vibration plate (31), a slide rail (32) being fixedly connected to the surface of the vibration plate (31), a movable plate (33) being slidably connected to the surface of the slide rail (32), a vibration telescopic rod (34) being fixedly connected to the bottom of the vibration plate (31), a movable frame (35) being fixedly connected to the bottom of the movable plate (33), a limit spring (36) being fixedly connected to the end of the movable plate (33), and a vibration roller (39) being fixedly connected to the output end of the motor (4).

6. The multi-stage screening device for aluminum slurry production according to claim 5, characterized in that: One end of the driven frame (18) away from the central telescopic ring (17) is fixedly connected to the surface of the movable plate (33), one end of the vibrating telescopic rod (34) away from the vibrating plate (31) is fixedly connected to the surface of the fixed frame (3), one end of the passive plate (37) away from the contact frame (38) is rotatably connected to the surface of the movable frame (35), and the surface of the vibrating roller (39) is in contact with the bottom of the vibrating plate (31).

7. A multi-stage screening device for aluminum slurry production according to claim 6, characterized in that: The positioning mechanism (50) comprises a bent rod (51), the end of the bent rod (51) is rotatably connected to a lower push frame (52), the surface of the driven extension rod (53) is fixedly connected to a long rod (55), one end of the long rod (55) away from the driven extension rod (53) is rotatably connected to a push plate (56), one end of the push plate (56) away from the long rod (55) is rotatably connected to a passive slide plate (57), the end of the passive slide plate (57) is fixedly connected to a limiting elastic rod (58), the bottom of the passive slide plate (57) is fixedly connected to a driving telescopic rod (59), and the surface of the discharge tank (1) is fixedly connected to a slide plate (60).

8. The multi-stage screening device for aluminum slurry production according to claim 7, characterized in that: One end of the bent rod (51) away from the lower push frame (52) is fixedly connected to the surface of the movable plate (33), one end of the lower push frame (52) away from the bent rod (51) is rotatably connected to the end of the driven extension rod (53), the end of the passive slide plate (57) is slidably connected to the inner wall of the slide plate (60), and one end of the driving telescopic rod (59) away from the passive slide plate (57) is fixedly connected to the surface of the driven extension rod (53).

Images