Silicon carbide powder screening device

By designing a silicon carbide powder screening device including a load-bearing plate, a support frame, a round support rod, a sliding ring and other components, the problem of easy clogging and inefficiency in the screening process of traditional devices is solved, and a more efficient and accurate screening effect is achieved.

CN222659249UActive Publication Date: 2025-03-25SHANDONG PROVINCE YINAITE SILICON CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421245204.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-03-25
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

Traditional silicon carbide powder screening devices are prone to clogging when processing silicon carbide powder, which has low screening efficiency and affect production efficiency and product quality.

Method used

A screening device including a bearing plate, a support frame, a circular support rod, a sliding ring, a square frame, a screening material frame, a fixed plate, a support spring, a top plate, a support column and a connecting L rod are designed. Through the combined action of a reducer motor, a power cam and a transmission square plate, the screening material frame is reciprocated up and down, preventing blockage and improving screening efficiency.

Benefits of technology

Effectively prevent the silicon carbide powder from clogging during the screening process, improve screening efficiency and accuracy, reduce work burden, and ensure product quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222659249U_ABST
    Figure CN222659249U_ABST
Patent Text Reader

Abstract

The utility model discloses a silicon carbide powder screening device, which belongs to the technical field of silicon carbide powder screening, and comprises a bearing plate and a screening material frame, the upper surface of the bearing plate is fixedly connected with two support frames, the inner wall of each support frame is fixedly connected with a group of round support rods, the outer surface of each round support rod is slidably connected with a sliding ring, and the sliding ring is fixedly connected with the bearing plate. The outer surfaces of the multiple sliding rings are jointly and fixedly connected with a square frame, the outer surface of each supporting frame is fixedly connected with a fixing plate, the top plate, the supporting columns, the connecting L-shaped rods and the square frames move up and down in a reciprocating mode, so that the screening material frame moves up and down in a reciprocating mode to screen powder, and the silicon carbide powder is evenly distributed in the screening material frame; according to the silicon carbide powder screening device, the screening efficiency and precision are improved, the workload during powder screening is relieved, the phenomenon that silicon carbide powder is blocked in the screening process can be effectively prevented, and the problems that when a traditional screening device treats the silicon carbide powder, blocking is likely to happen, and the screening efficiency is low are effectively solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of silicon carbide powder screening, in particular to a silicon carbide powder screening device. Background Art

[0002] Silicon carbide powder is an important industrial raw material. Silicon carbide is an inorganic substance with the chemical formula SiC. It is made by melting quartz sand, petroleum coke (or coal coke), sawdust (salt is needed to produce green silicon carbide) and other raw materials at high temperature in a resistance furnace. Silicon carbide has a wide range of uses after grinding, and is often used in the preparation of ceramics, abrasive materials, etc.

[0003] The patent with announcement number CN215656299U discloses a silicon carbide powder screening device, which relates to the field of silicon carbide screening technology. The silicon carbide powder screening device includes a box, a support plate and a support plate for supporting a screening element. The screening element is detachably accommodated in the box and at least partially located in the box. The three parts exist independently, which is convenient for replacement of each part. Screening elements with different apertures can be selected for silicon carbide powder of different particle sizes as needed to facilitate screening out silicon carbide powder of different particle sizes. However, the screening device in the above patent has the problem of easy clogging and low screening efficiency when processing silicon carbide powder, which affects production efficiency and product quality. Therefore, those skilled in the art provide a silicon carbide powder screening device to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a silicon carbide powder screening device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A silicon carbide powder screening device comprises a carrying plate and a screening material frame, the upper surface of the carrying plate is fixedly connected to two support frames, the inner wall of each support frame is fixedly connected to a group of round support rods, the outer surface of each round support rod is slidably connected to a sliding ring, the outer surfaces of multiple sliding rings are commonly fixedly connected to a square frame, the outer surface of each support frame is fixedly connected to a fixing plate, the upper surface of each fixing plate is fixedly connected to multiple supporting springs, the top of each group of supporting springs is fixedly connected to a top plate, the upper surface of each top plate is fixedly connected to two supporting columns, the top of each support column is fixedly connected to a connecting L rod, and the end of each connecting L rod away from the supporting column is fixedly connected to the upper surface of the square frame, wherein the outer surfaces of two of the support columns are commonly fixedly connected to a transmission square plate, the outer surface of one of the support frames is fixedly connected to a fixing seat, the upper surface of the fixing seat is fixedly connected to a reduction motor, the output end of the reduction motor is fixedly connected to a power cam, and the outer surface of the power cam is in contact with the bottom surface of the transmission square plate.

[0007] As a further solution of the utility model: two threaded tubes are fixedly connected to the front and back of the square frame, and a fastening bolt is threadedly connected to the inside of each threaded tube. Two square plates are fixedly connected to the outer surface of the screening frame, and a fixing block is fixedly connected to the bottom surface of each square plate. A fastening hole is opened on the outer surface of each fixing block, and the fastening hole matches the fastening bolt.

[0008] As a further solution of the utility model: a material receiving hopper is placed on the upper surface of the carrying plate, and two pull rods are fixedly connected to the front side of the material receiving hopper.

[0009] As a further solution of the utility model: a plurality of mounting blocks are fixedly connected to the bottom surface of the bearing plate, and a positioning hole is formed on the outer surface of each mounting block.

[0010] As a further solution of the utility model: the outer surface of each support frame is provided with two sliding grooves, the interior of each sliding groove is slidably connected with a sliding block, and the outer surface of each sliding block is fixedly connected to the outer surface of the top plate.

[0011] As a further solution of the utility model: the outer diameter of the screening frame matches the inner diameter of the square frame.

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

[0013] The silicon carbide powder screening device, through the use of the provided square frame, screening material frame, round support rod and sliding ring, can make the square frame slide with the sliding ring on the round support rod during the screening process of silicon carbide powder, so as to prevent the square frame and the screening material frame from lateral movement and jamming during the screening process, thereby ensuring the feasibility of screening; through the use of the provided fixed plate, supporting spring, top plate, supporting column and connecting L rod, under the joint action of the reduction motor, the power cam and the transmission square plate, the power cam can be rotated by the operation of the reduction motor, so that the transmission square plate, the power cam and the transmission square plate can be rotated when the reduction motor is running. The support column and the top plate move up and down, and under the elastic action of the supporting spring, the top plate, the support column, the connecting L rod and the square frame can reciprocate up and down, so that the screening frame can reciprocate up and down to screen the powder, so that the silicon carbide powder is evenly distributed in the screening frame, which improves the screening efficiency and accuracy, reduces the workload when screening the powder, and can effectively prevent the silicon carbide powder from being blocked during the screening process. It effectively solves the problem that traditional screening devices are prone to blockage and low screening efficiency when processing silicon carbide powder, and has the advantages of simple operation and higher screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the front three-dimensional structure of a silicon carbide powder screening device;

[0015] Figure 2 It is a schematic cross-sectional view of a silicon carbide powder screening device;

[0016] Figure 3 It is a schematic top view of a silicon carbide powder screening device;

[0017] Figure 4 It is a bottom view schematic diagram of a screening frame in a silicon carbide powder screening device;

[0018] Figure 5 It is a schematic diagram of a silicon carbide powder screening device from a left perspective.

[0019] In the figure: 1. load-bearing plate; 2. receiving hopper; 3. mounting block; 4. positioning hole; 5. pull rod; 6. support frame; 7. round support rod; 8. sliding ring; 9. square frame; 10. screening frame; 11. square plate; 12. fixing block; 13. fastening hole; 14. threaded cylinder; 15. fastening bolt; 16. fixing plate; 17. supporting spring; 18. top plate; 19. sliding groove; 20. sliding block; 21. supporting column; 22. connecting L rod; 23. fixing seat; 24. reduction motor; 25. power cam; 26. transmission square plate. DETAILED DESCRIPTION

[0020] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0022] See also Figures 1 to 5In the embodiment of the utility model, a silicon carbide powder screening device includes a carrying plate 1 and a screening material frame 10, the upper surface of the carrying plate 1 is fixedly connected to two support frames 6, the inner wall of each support frame 6 is fixedly connected to a group of round support rods 7, the outer surface of each round support rod 7 is slidably connected to a sliding ring 8, the outer surfaces of multiple sliding rings 8 are commonly fixedly connected to a square frame 9, the outer surface of each support frame 6 is fixedly connected to a fixed plate 16, the upper surface of each fixed plate 16 is fixedly connected to a plurality of supporting springs 17, the top of each group of supporting springs 17 is fixedly connected to a top plate 18, the upper surface of each top plate 18 is fixedly connected to two support columns 21, the top of each support column 21 is fixedly connected to a connecting L rod 22, and the end of each connecting L rod 22 away from the support column 21 is fixedly connected to the upper surface of the square frame 9, wherein the outer surfaces of the two support columns 21 are commonly fixedly connected to a transmission spring 17, and the transmission spring 17 is fixedly connected to the transmission spring 17. The movable square plate 26, the outer surface of one of the support frames 6 is fixedly connected with a fixed seat 23, the upper surface of the fixed seat 23 is fixedly connected with a reduction motor 24, the output end of the reduction motor 24 is fixedly connected with a power cam 25, and the outer surface of the power cam 25 is in contact with the bottom surface of the transmission square plate 26, and the power cam 25 is rotated by the operation of the reduction motor 24, so that the transmission square plate 26, the support column 21 and the top plate 18 move up and down when it rotates, and under the elastic action of the supporting spring 17, the top plate 18, the support column 21, the connecting L rod 22 and the square frame 9 can reciprocate up and down, so that the screening frame 10 can reciprocate up and down to screen the powder, so that the silicon carbide powder is evenly distributed in the screening frame 10, the screening efficiency and accuracy are improved, the workload when screening the powder is reduced, and the silicon carbide powder can be effectively prevented from being blocked during the screening process.

[0023] The front and back of the square frame 9 are fixedly connected with two threaded tubes 14, and the interior of each threaded tube 14 is threadedly connected with a fastening bolt 15. The outer surface of the screening frame 10 is fixedly connected with two square plates 11, and the bottom surface of each square plate 11 is fixedly connected with a fixing block 12. The outer surface of each fixing block 12 is provided with a fastening hole 13, and the fastening hole 13 matches the fastening bolt 15, so that the screening frame 10 can be placed in the square frame 9, and the fastening bolt 15 is used to insert the fastening hole 13, so that it is convenient to select a suitable screening frame 10, which is convenient for the staff to install it on the square frame 9 and improve the convenience of installation. A receiving hopper 2 is placed on the upper surface of the supporting plate 1, and two pull rods 5 are fixedly connected to the front of the receiving hopper 2, so that the receiving hopper 2 can be used to receive the screened material. A plurality of mounting blocks 3 are fixedly connected to the bottom surface of the supporting plate 1, and a positioning hole 4 is provided on the outer surface of each mounting block 3, which can make it more convenient for the staff to install the device.

[0024] Two sliding grooves 19 are provided on the outer surface of each support frame 6, and a sliding block 20 is slidably connected to the inside of each sliding groove 19. The outer surface of each sliding block 20 is fixedly connected to the outer surface of the top plate 18. When adjusting the position of the top plate 18, it is convenient to make the top plate 18 slide with the sliding block 20 in the sliding groove 19 when moving, which can prevent the top plate 18 from position displacement and ensure that it can move up and down normally. The outer diameter of the screening frame 10 matches the inner diameter of the square frame 9, so that the screening frame 10 can be placed in the square frame 9, ensuring the feasibility of the device when used.

[0025] The working principle of the utility model is: the device is firmly installed through the mounting block 3 and the positioning hole 4 and the power is turned on, the appropriate screening material frame 10 is selected, the screening material frame 10 is placed in the square frame 9, and then the fastening bolts 15 are rotated and inserted into the fastening holes 13, thereby completing the connection between the square frame 9 and the screening material frame 10, and then the reduction motor 24 can be started to rotate the power cam 25, so that the power cam 25 rotates and drives the transmission square plate 26 and the support column 21 to move up and down, wherein the power cam 25 adopts a swinging cam, and its principle is to use the convex part of the cam and the transmission square plate 26 to move up and down. The bottom of the shaped plate 26 contacts, causing the transmission square plate 26 to start moving up and down, and when the support column 21 moves up and down, it can bring the top plate 18 to generate pressure on the support spring 17. At the same time, the support column 21 will move up and down with the square frame 9 and the screening frame 10 through the connected L rod 22, and when the square frame 9 moves, it will slide on the round support rod 7 with the sliding ring 8. Under the elastic action of the support spring 17, the square frame 9 and the screening frame 10 can be reciprocated up and down, so that the silicon carbide powder to be screened can be added to the screening frame 10 for screening, thereby reducing the workload during screening.

[0026] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and utility model concept of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, so it is intended to include all changes that fall within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A silicon carbide powder screening device, comprising a carrier plate (1) and a screening frame (10), characterized in that: The upper surface of the bearing plate (1) is fixedly connected to two support frames (6); the inner wall of each support frame (6) is fixedly connected to a group of round support rods (7); the outer surface of each round support rod (7) is slidably connected to a sliding ring (8); the outer surfaces of a plurality of sliding rings (8) are commonly fixedly connected to a square frame (9); the outer surface of each support frame (6) is fixedly connected to a fixing plate (16); the upper surface of each fixing plate (16) is fixedly connected to a plurality of supporting springs (17); the top end of each group of supporting springs (17) is fixedly connected to a top plate (18); the upper surface of each top plate (18) is fixedly connected to two support columns (21), the top end of each of the support columns (21) is fixedly connected to a connecting L rod (22), and the end of each of the connecting L rods (22) away from the support column (21) is fixedly connected to the upper surface of the square frame (9), wherein the outer surfaces of the two support columns (21) are commonly fixedly connected to a transmission square plate (26), the outer surface of one of the support frames (6) is fixedly connected to a fixing seat (23), the upper surface of the fixing seat (23) is fixedly connected to a reduction motor (24), the output end of the reduction motor (24) is fixedly connected to a power cam (25), and the outer surface of the power cam (25) is in contact with the bottom surface of the transmission square plate (26).

2. A silicon carbide powder screening device according to claim 1, characterized in that: Two threaded tubes (14) are fixedly connected to the front and back of the square frame (9), and a fastening bolt (15) is threadedly connected to the interior of each threaded tube (14). Two square plates (11) are fixedly connected to the outer surface of the screening frame (10), and a fixing block (12) is fixedly connected to the bottom surface of each square plate (11), and a fastening hole (13) is provided on the outer surface of each fixing block (12), and the fastening hole (13) matches the fastening bolt (15).

3. The silicon carbide powder screening device according to claim 1, characterized in that: A material receiving hopper (2) is placed on the upper surface of the supporting plate (1), and two pull rods (5) are fixedly connected to the front side of the material receiving hopper (2).

4. The silicon carbide powder screening device according to claim 1, characterized in that: A plurality of mounting blocks (3) are fixedly connected to the bottom surface of the bearing plate (1), and a positioning hole (4) is provided on the outer surface of each mounting block (3).

5. The silicon carbide powder screening device according to claim 1, characterized in that: The outer surface of each support frame (6) is provided with two sliding grooves (19), the interior of each sliding groove (19) is slidably connected to a sliding block (20), and the outer surface of each sliding block (20) is fixedly connected to the outer surface of the top plate (18).

6. The silicon carbide powder screening device according to claim 1, characterized in that: The outer diameter of the screening frame (10) matches the inner diameter of the square frame (9).