Silicon carbide micro-powder coarse and fine screening device
By designing a double-layer screening device and vibrating motor, combining brushing and multiple screening treatments, the problem of low screening rate and large particles being screened out in the prior art has been solved, and the problem of low screening rate of silicon carbide micropowder screening device has been achieved. Efficient screening and better screening quality.
Patent Information
- Application Number
- CN202420986505.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-09
AI Technical Summary
The existing silicon carbide micropowder screening device cannot be stirred during the screening process, resulting in a low screening rate and the inability to keep the silicon carbide micropowder flat on the screen, resulting in large particles being screened out, requiring multiple screenings. Trouble operation.
A double-layer screening device including the first and second screen boxes is designed, and the rotating member is driven to rotate the rotating member to make the brush and the screening is accelerated. The vibration motor is used to vibrate the screen box, combining multiple screenings and Filter processing ensures screening quality.
A faster screening rate and better screening quality are achieved, reducing the situation of large particles being screened out and simplifying the operation process.
Smart Images
Figure CN222241301U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of silicon carbide micropowder processing, in particular to a silicon carbide micropowder coarse and fine screening device. Background Art
[0002] Silicon carbide micropowder is a product used in the abrasive industry, mainly used for wire cutting of potassium arsenide and quartz crystals. It is an engineering processing material for the solar photovoltaic industry, semiconductor industry, and piezoelectric crystal industry. The existing Chinese patent announcement number is CN217190874U, and the name is a patent for the coarseness and fineness of silicon carbide micropowder. The background technology of the patent clearly states that "in the processing of silicon carbide micropowder, it is necessary to perform coarse and fine screening on it, but the existing screening device cannot stir the silicon carbide micropowder during the screening process, nor can it maintain the flattening effect of the silicon carbide micropowder when screening on the screen, resulting in a low screening rate", and solves the patented technical means, but in this technology, some large particles formed by the agglomeration of smaller particles are screened out, that is, screened to large particles, so that multiple screenings are required in the future, which is more troublesome to operate. Utility Model Content
[0003] The utility model aims to provide a coarse and fine screening device for silicon carbide micropowder to solve the problems raised in the above background technology.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A silicon carbide micropowder coarse and fine screening device comprises a first screen box and a base, a second screen box is arranged at the bottom of the first screen box, a discharge hopper is arranged at the bottom of the second screen box, a top plate is arranged above the first screen box, a rotating part is arranged at the bottom of the top plate, a covering brush is arranged at the bottom of the rotating part, a support column is arranged on the base, a mounting ring is arranged on the support column, a first discharge box is arranged on the outer side of the inner wall of the first screen box, a second discharge box is arranged on the outer side of the inner wall of the second screen box, a first circulation box is arranged at the bottom of the first discharge box, the first circulation box is connected to the inner side of the second screen box, a second circulation box is arranged at the bottom of the second discharge box, and the second circulation box is connected to the inner side of the discharge hopper.
[0006] In a preferred embodiment of the present invention, a first screen is arranged inside the first screen box, and a second screen is arranged outside the second screen box.
[0007] In a preferred embodiment of the present utility model, a feed port is arranged on one side above the top plate, and vibration motors are arranged on the outer sides of the first screen box and the second screen box.
[0008] In a preferred embodiment of the present utility model, a driving motor is arranged above the top plate, and the driving motor is connected to the rotating member.
[0009] In a preferred embodiment of the utility model, a spring is arranged on the mounting ring, a support block is arranged on the spring, a damper is arranged inside the spring, and the outer side of the bottom of the discharge hopper is located on the support block.
[0010] In a preferred embodiment of the present invention, a first filter is provided at the top of the inner side of the first circulation box, and a first outlet is provided at the bottom of the outer side of the first circulation box.
[0011] In a preferred embodiment of the present invention, a second filter screen is provided at the top of the inner side of the second circulation box, and a second outlet is provided at the bottom of the outer side of the second circulation box.
[0012] In a preferred embodiment of the present utility model, a discharge port is arranged at the bottom of the discharge hopper, a material receiving box is arranged at the bottom of the discharge port, and the material receiving box is placed on the base.
[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.
[0014] Beneficial effect: The device drives the rotating part to rotate through a driving motor, so that the covering brush at the bottom covers the silicon carbide micropowder, so that it can be screened faster. The silicon carbide micropowder screened by the first screen box is discharged from the first screen box through the first discharge box, and the silicon carbide micropowder in the first discharge box is screened again through the first filter screen to improve the screening quality, and enters the second screen box through the first circulation box. The particles with no screening problems are discharged through the first outlet, and the second discharge box performs the same operation, that is, the screened particles enter the discharge hopper for discharge.
[0015] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0017] Figure 1 This is a schematic diagram of the main structure of a silicon carbide micropowder coarse and fine screening device;
[0018] Figure 2 It is a schematic diagram of the brush drive structure in a silicon carbide micro powder coarse and fine screening device;
[0019] Figure 3 It is a schematic diagram of the connection structure of the first discharging box in a silicon carbide micro powder coarse and fine screening device;
[0020] Figure 4 It is a schematic diagram of the connection structure of the second discharging box in a silicon carbide micro powder coarse and fine screening device;
[0021] Figure 5 It is a schematic diagram of the base structure in a silicon carbide micropowder coarse and fine screening device.
[0022] In the figure: 1. first screen box; 11. first screen; 12. first discharge box; 13. first circulation box; 14. first filter; 15. first outlet; 2. base; 21. support column; 22. mounting ring; 23. spring; 24. support block; 25. damper; 3. top plate; 31. feed inlet; 32. vibration motor; 33. drive motor; 34. rotating part; 35. cover brush; 4. second screen box; 41. second screen; 42. second discharge box; 43. second circulation box; 44. second filter; 45. second outlet; 5. discharge hopper; 51. discharge port; 52. receiving box. DETAILED DESCRIPTION
[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0024] Please refer to Figure 1-5 The utility model discloses a coarse and fine screening device for silicon carbide micropowder, comprising a first screen box 1 and a base 2. A second screen box 4 is arranged at the bottom of the first screen box 1, that is, the device performs double-layer screening through the first screen box 1 and the second screen box 4, thereby accelerating the screening efficiency. A first screen mesh 11 is arranged inside the first screen box 1, that is, the first screen box 1 performs primary screening through the first screen mesh 11 inside, and a second screen mesh 41 is arranged outside the second screen box 4, and the second screen box 4 performs secondary screening through the second screen mesh 41 inside. The base 2 is the bottom structure of the device, and is used to support the overall device. A discharge hopper 5 is arranged at the bottom of the second screen box 4, that is, the screened silicon carbide powder falls into the discharge hopper 5, and a vibration motor 32 is arranged on the outside of the first screen box 1 and the second screen box 4, that is, the first screen box 1 and the second screen box 4 are driven to vibrate by the vibration motor 32, so that the silicon carbide powder inside the first screen box 1 and the second screen box 4 is screened, and a discharge port 51 is arranged at the bottom of the discharge hopper 5, and a receiving box 52 is arranged at the bottom of the discharge port 51, and the receiving box 52 is placed on the base 2, that is, the discharge hopper 5 discharges through the discharge port 51, and the receiving box 52 receives it.
[0025] A top plate 3 is arranged above the first screen box 1. The top plate 3 serves as a top structure. A rotating member 34 is arranged at the bottom of the top plate 3. A covering brush 35 is arranged at the bottom of the rotating member 34. A driving motor 33 is arranged above the top plate 3. The driving motor 33 is connected to the rotating member 34, that is, the rotating member 34 is driven to rotate by the driving motor 33, so that the covering brush 35 at the bottom covers the silicon carbide powder, so that it can be screened faster. A feeding port 31 is arranged on one side above the top plate 3, that is, the silicon carbide powder is fed through the feeding port 31. A support column 21 is provided, a mounting ring 22 is provided on the support column 21, a spring 23 is provided on the mounting ring 22, a support block 24 is provided on the spring 23, a damper 25 is provided inside the spring 23, and the outer side of the bottom of the discharge hopper 5 is on the support block 24, so that the upper structure is supported by the support block 24. The support column 21 and the mounting ring 22 are both mounting structures. When the first screen box 1 and the second screen box 4 vibrate, the spring 23 and the damper 25 at the bottom cooperate to reduce the vibration of the bottom of the device, thereby making the device more stable.
[0026] A first discharge box 12 is arranged on the outer side of the inner wall of the first screen box 1, that is, the silicon carbide powder screened by the first screen box 1 is discharged from the first screen box 1 through the first discharge box 12, a first circulation box 13 is arranged at the bottom of the first discharge box 12, the first circulation box 13 is connected to the inner side of the second screen box 4, a first filter screen 14 is arranged on the top of the inner side of the first circulation box 13, the first filter screen 14 has the same mesh size as the first screen screen 11, a first outlet 15 is arranged at the bottom of the outer side of the first circulation box 13, and the silicon carbide powder in the first discharge box 12 is screened again through the first filter screen 14, so that the screening quality is better, and the large particles formed by the agglomeration of smaller particles are reduced and screened out , and enters the second screen box 4 through the first circulation box 13. Particles without screening problems are discharged through the first outlet 15, so that normal operation is performed in the second screen box 4. A second discharge box 42 is provided on the outer side of the inner wall of the second screen box 4, and a second circulation box 43 is provided at the bottom of the second discharge box 42. The second circulation box 43 is connected to the inner side of the discharge hopper 5, and a second filter screen 44 is provided on the top of the inner side of the second circulation box 43. A second outlet 45 is provided on the outer bottom of the second circulation box 43. The effects of the second discharge box 42 and the second circulation box 43 are the same as those of the first discharge box 12 and the first circulation box 13, that is, the screened particles enter the discharge hopper 5.
[0027] The working principle of the utility model is as follows: the device loads silicon carbide powder through a feed port 31, drives a rotating member 34 to rotate through a driving motor 33, so that a covering brush 35 at the bottom covers the silicon carbide powder, so that it can be screened faster, and double-layer screening is performed through a first screen box 1 and a second screen box 4, and the first screen box 1 and the second screen box 4 are driven to vibrate through a vibration motor 32, so that the silicon carbide powder inside the first screen box 1 and the second screen box 4 is screened, and the spring 23 at the bottom cooperates with the damper 25 to reduce the vibration of the bottom of the device, so that the device is more stable, and the first screen box 1 performs initial screening through the first screen mesh 11 inside, and the second screen mesh 11 is used for the first screening. The second screen box 4 performs secondary screening through the second screen mesh 41 inside, thereby speeding up the screening efficiency, and the screened silicon carbide micropowder falls into the discharge hopper 5, and the discharge hopper 5 discharges through the discharge port 51, and the receiving box 52 receives it. The silicon carbide micropowder screened by the first screen box 1 is discharged from the first screen box 1 through the first discharge box 12, and the silicon carbide micropowder in the first discharge box 12 is screened again through the first filter mesh 14, so as to improve the screening quality, and enters the second screen box 4 through the first circulation box 13, and the particles with no screening problems are discharged through the first outlet 15, and the second discharge box 42 performs the same operation, that is, the screened particles enter the discharge hopper 5 for discharge.
[0028] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.
Claims
1. A coarse and fine screening device for silicon carbide micropowder, comprising a first screen box (1) and a base (2), characterized in that: A second screen box (4) is arranged at the bottom of the first screen box (1), a discharge hopper (5) is arranged at the bottom of the second screen box (4), a top plate (3) is arranged above the first screen box (1), a rotating member (34) is arranged at the bottom of the top plate (3), a covering brush (35) is arranged at the bottom of the rotating member (34), a support column (21) is arranged on the base (2), a mounting ring (22) is arranged on the support column (21), a first discharge box (12) is arranged on the outer side of the inner wall of the first screen box (1), a second discharge box (42) is arranged on the outer side of the inner wall of the second screen box (4), a first circulation box (13) is arranged at the bottom of the first discharge box (12), the first circulation box (13) is connected to the inner side of the second screen box (4), a second circulation box (43) is arranged at the bottom of the second discharge box (42), and the second circulation box (43) is connected to the inner side of the discharge hopper (5).
2. A silicon carbide powder coarse and fine screening device according to claim 1, characterized in that: A first screen (11) is arranged inside the first screen box (1), and a second screen (41) is arranged outside the second screen box (4).
3. A silicon carbide powder coarse and fine screening device according to claim 1, characterized in that: A feed port (31) is provided on one side above the top plate (3), and vibration motors (32) are provided on the outsides of the first screen box (1) and the second screen box (4).
4. The silicon carbide powder coarse and fine screening device according to claim 1, characterized in that: A driving motor (33) is arranged above the top plate (3), and the driving motor (33) is connected to a rotating member (34).
5. The silicon carbide powder coarse and fine screening device according to claim 1, characterized in that: A spring (23) is arranged on the mounting ring (22), a support block (24) is arranged on the spring (23), a damper (25) is arranged inside the spring (23), and the outer side of the bottom of the discharge hopper (5) is located on the support block (24).
6. The silicon carbide powder coarse and fine screening device according to claim 1, characterized in that: A first filter screen (14) is arranged at the top of the inner side of the first circulation box (13), and a first outlet (15) is arranged at the bottom of the outer side of the first circulation box (13).
7. The silicon carbide powder coarse and fine screening device according to claim 1, characterized in that: A second filter screen (44) is provided at the top of the inner side of the second circulation box (43), and a second outlet (45) is provided at the bottom of the outer side of the second circulation box (43).
8. The silicon carbide powder coarse and fine screening device according to claim 1, characterized in that: The bottom of the discharge hopper (5) is provided with a discharge port (51), the bottom of the discharge port (51) is provided with a material receiving box (52), and the material receiving box (52) is placed on the base (2).