Coarse and fine silica powder screening device

Abstract

The utility model discloses a coarse and fine silica powder screening device which comprises a screening tank and a feeding mechanism, a first discharging pipe and a second discharging pipe are arranged on the two sides of the screening tank through material guiding pipes respectively, a first screening plate and a second screening plate are arranged on the upper portion and the lower portion of the interior of the screening tank respectively, and a vibration frame is arranged on a mounting groove in the screening tank. A feeding mechanism is arranged at the top of the screening tank, the bottom of the screening tank is connected with a material collecting tank through a discharging head, and the bottom end of the first discharging pipe and the bottom end of the second discharging pipe are connected with a first material collecting barrel and a second material collecting barrel respectively. The discharging cover is arranged at the top of the screening tank, the feeding pipe is arranged below the discharging cover in an inclined mode, the material suction pipe is arranged at the end of the feeding pipe, material suction control over silica powder is facilitated through the material suction pipe, the suction efficiency is high, the vibration frame is arranged on the outer side of the screening tank, vibration control is facilitated through the vibration frame, and the screening effect is good. And a plurality of vibration motors are arranged on the outer side of the vibration frame, the vibration efficiency can be improved through the vibration motors, and mounting and dismounting are convenient.

Description

Technical Field

[0001] The utility model relates to the field related to silicon micropowder coarse and fine screening devices, in particular to a silicon micropowder coarse and fine screening device. Background Art

[0002] Silica powder coarse and fine screening devices are used to screen and process silica powder. Silica powder is a non-toxic, odorless, and pollution-free inorganic non-metallic material. Due to its excellent properties such as good temperature resistance, acid and alkali corrosion resistance, high thermal conductivity, high insulation, low expansion, chemical stability, and high hardness, it is widely used in the chemical industry, electronics, integrated circuits (ICs), electrical appliances, plastics, coatings, high-grade paints, rubber, and national defense. With the rapid development of high-tech fields, silica powder will also enter a new historical development period.

[0003] For example, the authorized patent with publication number CN212418624U (silicon carbide micropowder coarse and fine screening device): includes a screening box placed on a first bracket, a feed funnel located above the screening box and fixed on a second bracket, the screening box is horizontally provided with n screens from bottom to top, n is a positive integer, the coarseness of the screens is different, and it changes from fine to coarse from bottom to top, the screening box is provided with n+1 discharge ports at the end away from the feed funnel, each screen corresponds to a discharge port on one side, and the bottom end of the screening box also corresponds to a discharge port. A vibration motor is also provided on the screening box, and the vibration of the vibration motor causes the raw material to move from the end close to the feed funnel toward the discharge port. Compared with the prior art, the utility model provides a screen in the screening box, and provides multiple discharge ports according to the degree of screening, so as to screen out silicon carbide micropowder specifications with different requirements at one time, thereby improving work efficiency;

[0004] The above-mentioned prior art screening process is not convenient for loading materials, and silicon powder cannot be efficiently loaded. The screening process cannot automatically discharge and collect the screened silicon micropowder, the aggregation is not convenient, the screening efficiency is low, and the screening is not timely enough, which affects the screening effect, and the vibration control is not convenient enough. Utility Model Content

[0005] The purpose of the utility model is to provide a coarse and fine screening device for silicon micropowder to solve the problems proposed in the above background technology that the screening process is not convenient to load materials, the silicon powder cannot be efficiently loaded, the screening process cannot automatically discharge and collect the screened silicon micropowder, the aggregation is not convenient, the screening efficiency is low, the screening is not timely enough, the screening effect is affected, and the vibration control is not convenient.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coarse and fine screening device for silicon micropowder, comprising a screening tank and a feeding mechanism, wherein a first feeding pipe and a second feeding pipe are respectively provided on both sides of the screening tank through a material guide pipe, and a first sieve plate and a second sieve plate are respectively provided on the upper and lower parts of the interior of the screening tank, a vibration frame is provided on the mounting groove on the screening tank, a feeding mechanism is provided on the top of the screening tank, the bottom of the screening tank is connected to the aggregate tank through a discharge head, and the bottom ends of the first feeding pipe and the second feeding pipe are respectively connected to the first aggregate barrel and the second aggregate barrel.

[0007] In a further embodiment, the feeding mechanism includes a feeding cover, a suction pump, a feeding pipe and a suction pipe;

[0008] The bottom of the lower material cover is connected to the top of the screening tank, the suction pump is arranged on the top of the lower material cover, the feeding pipe is arranged on one side of the lower material cover, and the suction pipe is arranged at the end of the feeding pipe.

[0009] In a further embodiment, a plurality of vibration motors are provided on the vibration frame, a vibration transmission frame is provided on the inner side of the vibration frame, and the vibration transmission frame is connected to the outer side of the screening tank.

[0010] In a further embodiment, the first sieve plate is provided corresponding to the material guide pipe at the end of the first discharge pipe, and the second sieve plate is provided corresponding to the material guide pipe at the end of the second discharge pipe.

[0011] In a further embodiment, the bottoms of the first collecting barrel, the collecting tank and the second collecting barrel are all connected to the support base, and the first collecting barrel, the collecting tank and the second collecting barrel are all provided with a discharge port at a lower position on the front side.

[0012] In a further embodiment, the suction pipe is configured as a soft bellows structure, and the filter caliber of the first sieve plate is larger than the filter caliber of the second sieve plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model has a lower material cover on the top of the screening tank, a feeding pipe at the oblique lower part of the lower material cover, and a suction pipe at the end of the feeding pipe. The suction pipe facilitates the suction control of silicon micropowder, and the absorption efficiency is high. A vibration frame is provided on the outside of the screening tank, and vibration control is conveniently performed through the vibration frame. A plurality of vibration motors are provided on the outside of the vibration frame, which can improve the vibration efficiency and facilitate installation and disassembly.

[0015] 2. The screening tank of the utility model is provided with a first discharge pipe and a second discharge pipe on both sides, respectively, and the first discharge pipe and the second discharge pipe are used to facilitate discharge, and the bottoms of the first discharge pipe and the second discharge pipe are respectively connected to the first collecting barrel and the second collecting barrel, and the first collecting barrel and the second collecting barrel are used to facilitate the collection of the screened silicon micropowder, and the bottom of the screening tank is connected to the collecting tank through a discharge head, and the screened material can be collected through the collecting tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is a schematic structural diagram of the screening tank of the utility model;

[0018] Figure 3 This is a top view of the vibration frame of the utility model;

[0019] Figure 4 It is a bottom view of the blanking cover of the present utility model.

[0020] In the figure: 1. Suction pump; 2. Discharge hood; 3. Screening tank; 4. Vibrating frame; 5. First collecting barrel; 6. Second collecting barrel; 7. Feeding pipe; 8. Suction pipe; 9. Collecting tank; 10. Support base; 11. Material guide pipe; 12. First discharge pipe; 13. First sieve plate; 14. Second sieve plate; 15. Second discharge pipe; 16. Mounting groove; 17. Discharge head; 18. Vibrating motor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] See also Figure 1-4The utility model provides an embodiment: a silicon powder coarse and fine screening device, including a screening tank 3 and a feeding mechanism, both sides of the screening tank 3 are respectively provided with a first feeding pipe 12 and a second feeding pipe 15 through a guide pipe 11, the interior of the screening tank 3 is respectively provided with a first sieve plate 13 and a second sieve plate 14, a mounting groove 16 on the screening tank 3 is provided with a vibration frame 4, the top of the screening tank 3 is provided with a feeding mechanism, the bottom of the screening tank 3 is connected to the collecting tank 9 through a discharge head 17, the bottom of the first feeding pipe 12 and the second feeding pipe 15 are connected to the collecting tank 9, and the bottom of the first feeding pipe 12 and the second feeding pipe 15 are connected to the collecting tank 9. The ends are respectively connected to the first collecting barrel 5 and the second collecting barrel 6; the first discharge pipe 12 and the second discharge pipe 15 are used to collect the screened material and collect the screened material, the first sieve plate 13 and the second sieve plate 14 are used to perform secondary screening of the silicon micropowder, the vibration frame 4 is used to control the vibration of the screening tank 3, the feeding mechanism is used to automatically control the feeding of the silicon micropowder, the discharge head 17 is used to discharge the screened material into the collecting barrel 9, and the first collecting barrel 5 and the second collecting barrel 6 are used to collect the screened silicon micropowder.

[0023] The feeding mechanism includes a feeding hood 2, a suction pump 1, a feeding pipe 7 and a suction pipe 8; the bottom of the feeding hood 2 is connected to the top of the screening tank 3, the suction pump 1 is arranged at the top of the feeding hood 2, the feeding pipe 7 is arranged on one side of the feeding hood 2, and the suction pipe 8 is arranged at the end of the feeding pipe 7. The feeding hood 2 is used to conveniently control the feeding of the absorbed material, and the suction pump 1 is used to facilitate the suction control; the suction pipe 8 is set as a soft bellows structure, the filter mesh diameter of the first sieve plate 13 is larger than the filter mesh diameter of the second sieve plate 14, and the suction operation is facilitated by the soft bellows-type suction pipe 8.

[0024] The vibration frame 4 is provided with a plurality of vibration motors 18 , the inner side of the vibration frame 4 is provided with a vibration transmission frame, and the vibration transmission frame is connected to the outer side of the screening tank 3 , and the vibration of the vibration frame 4 is controlled by the plurality of vibration motors 18 .

[0025] The first sieve plate 13 is provided corresponding to the guide pipe 11 at the end of the first discharge pipe 12 , and the second sieve plate 14 is provided corresponding to the guide pipe 11 at the end of the second discharge pipe 15 . The guide pipe 11 facilitates the control of the guide of the sieved silicon powder.

[0026] The bottoms of the first collecting barrel 5, the collecting tank 9 and the second collecting barrel 6 are all connected to the support base 10. The first collecting barrel 5, the collecting tank 9 and the second collecting barrel 6 are all provided with discharge ports at the lower front positions, and the support base 10 facilitates the support and placement of the equipment.

[0027] Working principle: When in use, under the action of the suction pump 1, the silicon micropowder is absorbed by the suction pipe 8 to the feeding pipe 7, absorbed into the discharge cover 2 through the feeding pipe 7, and discharged into the screening tank 3 through the discharge cover 2. The silicon micropowder is preliminarily screened by the first sieve plate 13 in the screening tank 3, and after screening, it is discharged into the first discharge pipe 12 through the guide pipe 11, and discharged into the first collecting barrel 5 through the first discharge pipe 12. Part of the screened silicon micropowder is discharged onto the second sieve plate 14. After screening by the second sieve plate 14, the large particles are discharged into the second collecting barrel 6 by the second discharge pipe 15 for collection. The small particles after screening are discharged into the collecting tank 9 by the discharge head 17 for collection. The vibration frame is fixed on the mounting slot 16 of the screening tank 3, and the vibration frame 4 is vibration-controlled by the vibration motor 18.

[0028] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A coarse and fine screening device for silicon micropowder, comprising a screening tank (3) and a feeding mechanism, characterized in that: Both sides of the screening tank (3) are provided with a first discharge pipe (12) and a second discharge pipe (15) respectively through a material guide pipe (11); the interior of the screening tank (3) is provided with a first sieve plate (13) and a second sieve plate (14) respectively on the upper and lower sides; a vibration frame (4) is provided on the mounting groove (16) on the screening tank (3); a loading mechanism is provided on the top of the screening tank (3); the bottom of the screening tank (3) is connected to the collecting tank (9) through a discharge head (17); the bottom ends of the first discharge pipe (12) and the second discharge pipe (15) are connected to the first collecting barrel (5) and the second collecting barrel (6) respectively.

2. A silicon micropowder coarse and fine screening device according to claim 1, characterized in that: The feeding mechanism comprises a feeding cover (2), a suction pump (1), a feeding pipe (7) and a suction pipe (8); The bottom of the lower material cover (2) is connected to the top of the screening tank (3), the suction pump (1) is arranged on the top of the lower material cover (2), the feeding pipe (7) is arranged on one side of the lower material cover (2), and the suction pipe (8) is arranged at the end of the feeding pipe (7).

3. A silicon micropowder coarse and fine screening device according to claim 1, characterized in that: A plurality of vibration motors (18) are provided on the vibration frame (4), a vibration transmission frame is provided on the inner side of the vibration frame (4), and the vibration transmission frame is connected to the outer side of the screening tank (3).

4. The silicon micropowder coarse and fine screening device according to claim 1, characterized in that: The first sieve plate (13) is arranged correspondingly to the guide pipe (11) at the end of the first discharge pipe (12), and the second sieve plate (14) is arranged correspondingly to the guide pipe (11) at the end of the second discharge pipe (15).

5. The silicon micropowder coarse and fine screening device according to claim 1, characterized in that: The bottoms of the first collecting barrel (5), the collecting tank (9) and the second collecting barrel (6) are all connected to the support base (10), and discharge ports are provided at the lower front positions of the first collecting barrel (5), the collecting tank (9) and the second collecting barrel (6).

6. A silicon micropowder coarse and fine screening device according to claim 2, characterized in that: The suction pipe (8) is configured as a soft bellows structure, and the filter caliber of the first sieve plate (13) is larger than the filter caliber of the second sieve plate (14).

Images