Auxiliary material silicon powder screening device for nano insulation board production

Abstract

The auxiliary material silicon powder screening device comprises a box body, a flow guide hopper is arranged at the bottom of the box body, a discharging opening is formed in the lower surface of the flow guide hopper, a cover plate is arranged on the upper surface of the box body, a feeding opening is formed in the cover plate, and a first conical body is arranged under the feeding opening; the first conical body is connected with the cover plate through at least three fixing rods, the lower surface of the first conical body is rotationally connected with a rotating shaft, and at least two rows of beating rods are arranged on the outer side of the rotating shaft; by arranging the spirally distributed beating rods, silicon powder entering the box body can be scattered, the filtering efficiency of the silicon powder is improved, by arranging a first conical body, the silicon powder can be guided to the beating rods, by arranging a guide hopper and a guide plate, the silicon powder can be guided to the upper end of the screen, the silicon powder is prevented from being scattered out of the screen, and the filtering efficiency of the silicon powder is improved. Therefore, the screening quality is improved.

Description

Technical Field

[0001] The present application relates to the technical field of nano thermal insulation board production, and specifically to a screening device for silicon powder, an auxiliary material for nano thermal insulation board production. Background Art

[0002] A nano thermal insulation board is a thermal insulation material made of multiple materials based on the nano principle through a special process. During the reproduction process of the nano thermal insulation board, silicon powder is usually added to improve its performance. Before adding the silicon powder, it is usually necessary to screen the silicon powder. However, during the screening process of the existing silicon powder, the caked silicon powder is difficult to handle. Existing equipment usually screens out the silicon powder, thus reducing the utilization rate of the silicon powder. Therefore, the present application proposes a screening device for silicon powder, an auxiliary material for nano thermal insulation board production, to solve such problems. Summary of the Invention

[0003] The technical problem to be solved by the present application is to overcome the existing defects and provide a screening device for silicon powder, an auxiliary material for nano thermal insulation board production, which can effectively solve the problems in the background art.

[0004] To achieve the above object, the present application provides the following technical solution: A screening device for silicon powder, an auxiliary material for nano thermal insulation board production, includes a box body. A diversion hopper is provided at the bottom of the box body, and a discharge port is provided on the lower surface of the diversion hopper. A cover plate is provided on the upper surface of the box body, and a feed port is provided on the cover plate. A first cone is provided directly below the feed port. The first cone is connected to the cover plate by no less than three fixing rods. A rotating shaft is rotatably connected to the lower surface of the first cone. No less than two rows of beating rods are provided on the outer side of the rotating shaft, and each row of beating rods is spirally distributed from top to bottom. The rotating shaft passes through the second cone and is connected to a driving motor. A groove for accommodating the driving motor is provided on the lower surface of the second cone. The second cone is connected to the box body by no less than three mounting rods. A diversion plate is provided below the second cone, and a guiding hopper is provided at the tail end of the diversion plate. A screening assembly is provided below the guiding hopper. A square hole is provided on one side of the box body.

[0005] Further, the screening assembly mainly consists of a first baffle, a screen mesh, a vibration motor, a first shock absorption group, a second shock absorption group, a discharge tray, and a second baffle. The screen mesh is provided below the guiding hopper. First baffles are provided at the front and rear ends of the screen mesh. A second baffle is provided at one end of the screen mesh close to the guiding hopper. Two first shock absorption groups are provided at one end of the second baffle. A vibration motor is provided on the lower surface of the screen mesh. A discharge tray is provided at one end of the screen mesh. The discharge tray extends out of the box body through the square hole on one side of the box body. Two second shock absorption groups are provided on the lower surface of the discharge tray.

[0006] Further, the first shock-absorbing group is mainly composed of a first pressing plate, a first connecting rod, a first spring, a first support plate and a first limiting plate. The first pressing plate is arranged on one side of the first baffle. A first connecting rod is arranged on the lower surface of the first pressing plate. The lower end of the first connecting rod penetrates through the first support plate and is connected to the first limiting plate. The first support plate is fixed on the box body. A first spring is arranged between the first pressing plate and the first support plate, and the first spring is sleeved on the first connecting rod.

[0007] Further, the second shock-absorbing group is mainly composed of a second pressing plate, a second connecting rod, a second spring, a second support plate and a second limiting plate. The second pressing plate is arranged on the lower surface of the discharge tray. A second connecting rod is arranged on the lower surface of the second pressing plate. The lower end of the second connecting rod penetrates through the second support plate and is connected to the second limiting plate. The second support plate is fixed on the box body. A second spring is arranged between the second pressing plate and the second support plate, and the second spring is sleeved on the second connecting rod.

[0008] Further, four support legs are arranged on the lower surface of the diversion hopper.

[0009] Compared with the prior art: in this application, the spiral distribution of the beating rods can disperse the silicon powder entering the box body, improve the filtering efficiency of the silicon powder, and through the setting of the first cone, the silicon powder can be guided to the beating rods. Through the setting of the guiding hopper and the guiding plate, the silicon powder can be guided to the upper end of the sieve mesh, avoiding the silicon powder from scattering outside the sieve mesh, thereby improving the screening quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic structural diagram of this application;

[0011] Figure 2 is a front sectional view of this application;

[0012] Figure 3 is Figure 2 a partial enlarged view of A in

[0013] Figure 4 is Figure 2 a partial enlarged view of B in

[0014] In the figure: 1 box body, 2 diversion hopper, 3 discharge port, 4 support legs, 5 square hole, 6 discharge tray, 7 cover plate, 8 feed inlet, 9 first cone, 10 rotating shaft, 11 beating rod, 12 driving motor, 13 second cone, 14 guiding plate, 15 guiding hopper, 16 first baffle, 17 sieve mesh, 18 vibrating motor, 19 first pressing plate, 20 first connecting rod, 21 first spring, 22 first support plate, 23 first limiting plate, 24 second connecting rod, 25 second spring, 26 second support plate, 27 second limiting plate, 28 second pressing plate, 29 second baffle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] Next, in combination with the accompanying drawings in the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application (for the convenience of description and understanding, hereinafter, the upper side of Figure 2 is described as the upper side). All other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0016] Please refer to Figures 1-4 , the present application provides a technical solution for a silicon powder screening device for the production of nano-insulating boards: a silicon powder screening device for the production of nano-insulating boards, including a box body 1, a diversion hopper 2 is arranged at the bottom of the box body 1, a discharge port 3 is arranged on the lower surface of the diversion hopper 2, a cover plate 7 is arranged on the upper surface of the box body 1, and a feed port 8 is arranged on the cover plate 7.

[0017] Specifically, four support legs 4 are arranged on the lower surface of the diversion hopper 2. Through the arrangement of the four support legs 4, the device can be supported.

[0018] More specifically, both the cover plate 7 and the diversion hopper 2 are fixed to the box body 1 by bolts.

[0019] A first cone 9 is arranged directly below the feed port 8. The first cone 9 is connected to the cover plate 7 through no less than three fixing rods. A rotating shaft 10 is rotatably connected to the lower surface of the first cone 9. No less than two rows of beating rods 11 are arranged on the outer side of the rotating shaft 10, and each row of beating rods 11 is spirally distributed from top to bottom. The rotating shaft 10 passes through the second cone 13 and is connected to the driving motor 12. A groove for accommodating the driving motor 12 is arranged on the lower surface of the second cone 13. The second cone 13 is connected to the box body 1 through no less than three mounting rods.

[0020] Specifically, the first cone 9 is connected to the cover plate 7 through three fixing rods, and five rows of beating rods 11 are arranged on the rotating shaft 10. The number of each row of beating rods 11 is eight, and they are distributed in a spiral line from top to bottom.

[0021] With such a setting, the driving motor 12 drives the rotating shaft 10 to rotate, so that the beating rods 11 rotate. The silicon powder falls on the first cone 9 through the feed port 8, and the first cone 9 guides the silicon powder to the beating rods 11. The caked silicon powder is scattered by the beating rods 11 rotating at high speed.

[0022] A diversion plate 14 is arranged below the second cone 13. A guiding hopper 15 is arranged at the end of the diversion plate 14. A screening assembly is arranged below the guiding hopper 15. A square hole 5 is arranged on one side of the box body 1.

[0023] Specifically, the deflector 14 is fixed inside the box body 1. The guiding hopper 15 is mainly formed by welding three material guiding plates. The three deflector plates are inclined towards the middle, so as to cooperate with the deflector 14 to guide the silicon powder onto the screening assembly.

[0024] Furthermore, the screening assembly mainly consists of a first baffle 16, a screen 17, a vibration motor 18, a first shock absorption group, a second shock absorption group, a discharge tray 6 and a second baffle 29. The screen 17 is arranged below the guiding hopper 15. The first baffles 16 are arranged at the front and rear ends of the screen 17. A second baffle 29 is arranged at one end of the screen 17 close to the guiding hopper 15. Two first shock absorption groups are arranged at one end of the second baffle 29. The vibration motor 18 is arranged on the lower surface of the screen 17. A discharge tray 6 is arranged at one end of the screen 17. The discharge tray 6 extends out of the box body 1 through the square hole 5 on one side of the box body 1. Two second shock absorption groups are arranged on the lower surface of the discharge tray 6.

[0025] Specifically, the cooperation of the first baffle 16 and the two second baffles 29 can prevent the silicon powder from detaching from the screen 17. Through the arrangement of the first shock absorption group and the second shock absorption group, the screen 17 can be shock-absorbed during screening. Through the arrangement of the receiving tray 6, the silicon powder with larger size can be discharged.

[0026] Furthermore, the first shock absorption group mainly consists of a first pressing plate 19, a first connecting rod 20, a first spring 21, a first support plate 22 and a first limiting plate 23. The first pressing plate 19 is arranged on one side of the first baffle 16. The first connecting rod 20 is arranged on the lower surface of the first pressing plate 19. The lower end of the first connecting rod 20 passes through the first support plate 22 and is connected to the first limiting plate 23. The first support plate 22 is fixed on the box body 1. A first spring 21 is arranged between the first pressing plate 19 and the first support plate 22, and the first spring 21 is sleeved on the first connecting rod 20.

[0027] Specifically, the first pressing plate 19 is fixed on the second baffle 29 by bolts. The first support plate 22 is installed on the box body 1 through fasteners. The first connecting rod 20 is slidably connected to the first support plate 22, and the first limiting plate 23 is connected to the first connecting rod 20 by threads. The first limiting plate 23 can prevent the first connecting rod 20 from detaching from the first support plate 22.

[0028] Furthermore, the second shock absorption group mainly consists of a second pressing plate 28, a second connecting rod 24, a second spring 25, a second support plate 26 and a second limiting plate 27. The second pressing plate 28 is arranged on the lower surface of the discharge tray 6. The second connecting rod 24 is arranged on the lower surface of the second pressing plate 28. The lower end of the second connecting rod 24 passes through the second support plate 26 and is connected to the second limiting plate 27. The second support plate 26 is fixed on the box body 1. A second spring 25 is arranged between the second pressing plate 28 and the second support plate 26, and the second spring 25 is sleeved on the second connecting rod 24.

[0029] Specifically, the second pressing plate 28 is fixed on the discharging tray 6 by bolts, the second supporting plate 26 is installed on the box body 1 through fasteners, the second connecting rod 24 is slidably connected with the second supporting plate 26, and the second limiting plate 27 is connected to the second connecting rod 24 by threads. The second limiting plate 27 can prevent the second connecting rod 24 from detaching from the second supporting plate 26.

[0030] During use: Start the driving motor 12, drive the rotating shaft 10 and the beating rod 11 to rotate by the driving motor 12. Subsequently, the silicon powder falls on the first cone 9 through the feeding port 8, and the first cone 9 guides the silicon powder to the beating rod 11. The silicon powder is beaten by the high-speed rotating beating rod 11, so as to break up the agglomerated silicon powder. The broken silicon powder flows onto the screen 17 through the diversion plate 14 and the guiding hopper 15. The vibrating motor 18 drives the screen 17, the first baffle 16 and the second baffle 29 to vibrate, so as to screen and filter the silicon powder on the screen 17. At the same time, the first damping group and the second damping group perform damping treatment on the screen. The qualified silicon powder after screening falls into the diversion hopper and is discharged from the discharging port, and the unqualified silicon powder is discharged through the discharging tray 6.

[0031] Although the embodiments of the present application have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for screening auxiliary silicon powder for the production of nano thermal insulation boards, characterized by: The invention comprises a box body (1), wherein a guide hopper (2) is arranged at the bottom of the box body (1), a discharge port (3) is arranged on the lower surface of the guide hopper (2), a cover plate (7) is arranged on the upper surface of the box body (1), a feed port (8) is arranged on the cover plate (7), a first cone (9) is arranged directly below the feed port (8), the first cone (9) is connected to the cover plate (7) via at least three fixing rods, a rotating shaft (10) is rotatably connected to the lower surface of the first cone (9), at least two rows of driving rods (11) are arranged outside the rotating shaft (10), and each row of driving rods (11) has a plurality of driving rods (11) arranged on the outer side of ... The driving rods (11) are arranged in a spiral from top to bottom, the rotating shaft (10) passes through the second cone (13) and is connected to the driving motor (12), the lower surface of the second cone (13) is provided with a groove for accommodating the driving motor (12), the second cone (13) is connected to the box (1) through no less than three mounting rods, a guide plate (14) is provided below the second cone (13), a guide bucket (15) is provided at the rear end of the guide plate (14), a screening assembly is provided below the guide bucket (15), and a square hole (5) is provided on one side of the box (1).

2. The device for screening auxiliary silicon powder for producing nano thermal insulation panels according to claim 1, characterized in that: The screening assembly mainly comprises a first baffle (16), a screen (17), a vibration motor (18), a first shock absorbing group, a second shock absorbing group, a discharge plate (6) and a second baffle (29). The screen (17) is arranged below the guide bucket (15). The first baffle (16) is arranged at both ends of the screen (17) at the front and rear ends. The end of the screen (17) close to the guide bucket (15) is arranged at the second baffle (29). Two first shock absorbing groups are arranged at one end of the second baffle (29). A vibration motor (18) is arranged at the lower surface of the screen (17). A discharge plate (6) is arranged at one end of the screen (17). The discharge plate (6) extends out of the box body (1) from a square hole (5) on one side of the box body (1). Two second shock absorbing groups are arranged at the lower surface of the discharge plate (6).

3. The device for screening auxiliary silicon powder for producing nano thermal insulation panels according to claim 2, characterized in that: The first shock-absorbing group mainly consists of a first pressure plate (19), a first connecting rod (20), a first spring (21), a first support plate (22) and a first limit plate (23); the first pressure plate (19) is arranged on one side of the first baffle (16); a first connecting rod (20) is arranged on the lower surface of the first pressure plate (19); the lower end of the first connecting rod (20) passes through the first support plate (22) and is connected to the first limit plate (23); the first support plate (22) is fixed on the box body (1); a first spring (21) is arranged between the first pressure plate (19) and the first support plate (22); and the first spring (21) is sleeved on the first connecting rod (20).

4. The device for screening auxiliary silicon powder for producing nano thermal insulation panels according to claim 2, characterized in that: The second shock-absorbing group mainly consists of a second pressing plate (28), a second connecting rod (24), a second spring (25), a second supporting plate (26) and a second limiting plate (27); the second pressing plate (28) is arranged on the lower surface of the discharge tray (6); a second connecting rod (24) is arranged on the lower surface of the second pressing plate (28); the lower end of the second connecting rod (24) passes through the second supporting plate (26) and is connected to the second limiting plate (27); the second supporting plate (26) is fixed on the box body (1); a second spring (25) is arranged between the second pressing plate (28) and the second supporting plate (26); and the second spring (25) is sleeved on the second connecting rod (24).

5. The device for screening auxiliary silicon powder for producing nano thermal insulation panels according to claim 1, characterized in that: Four supporting legs (4) are arranged on the lower surface of the guide bucket (2).

Images