Hydraulic screening device for silicon carbide micro powder

By combining slots, positioning holes, slide bars, guide plates, positioning rods, and extrusion blocks, along with a combination of high-pressure water pumps, water rotary joints, drain pipes, and water distribution pipes, the problems of low screening accuracy and difficult disassembly and assembly in silicon carbide micro powder screening equipment have been solved, achieving efficient screening and simplified maintenance.

CN223847416UActive Publication Date: 2026-01-30WEIFANG MINGCAI NEW MATERIAL TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520057543.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2026-01-30
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

Existing silicon carbide micro powder screening equipment suffers from problems such as low screening accuracy, low efficiency, and difficulty in disassembly and assembly.

Method used

The design incorporates a combination of slots, positioning holes, slide bars, guide plates, positioning rods, and compression blocks to simplify the disassembly process of the filter plates. Meanwhile, a water supply system consisting of a high-pressure water pump, a water rotary joint, a drain pipe, and a distribution pipe ensures uniform water spraying.

Benefits of technology

It improves screening accuracy and efficiency, simplifies the disassembly and assembly process of filter plates, reduces maintenance difficulty, and avoids reduced screening efficiency caused by incomplete spraying in some areas.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223847416U_ABST
    Figure CN223847416U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of screening equipment, and particularly relates to a silicon carbide micro powder hydraulic screening device which comprises a screening tank, a plurality of material taking doors are arranged on the front face of the screening tank, a material discharging valve is fixedly arranged at the bottom of the screening tank, a plurality of installation rings are fixed in the screening tank, two inserting grooves are formed in each installation ring, and the two inserting grooves are communicated with the screening tank. According to the utility model, through the arrangement of the positioning assembly, when the filter plate needs to be replaced, the top cover is firstly taken down, then each group of extrusion blocks are extruded inwards, and then the two extrusion blocks drive the two guide plates to be close to each other, so that the filter plate can be replaced, and then the filter plate can be replaced. The two guide plates drive the two positioning rods, and when the positioning rods are separated from the positioning holes, the filter plate is lifted upwards, so that the filter plate can be disassembled, a traditional bolt fixing mode is replaced, the disassembly and assembly efficiency is improved, and the subsequent maintenance difficulty is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to screening equipment technical field especially relates to silicon carbide micro powder hydraulic screening device. BACKGROUND

[0002] Silicon carbide micro powder as an important industrial raw material, has extensive application in electronic, ceramic, abrasive and other fields. In the production process of silicon carbide micro powder, it needs to be screened accurately to obtain products of different particle sizes, at present, the commonly used screening methods have mechanical screening and wind power screening etc., since these methods have problems such as low screening precision, low efficiency and easy dust production, therefore, the hydraulic screening gradually attracts people's attention, which has advantages such as high screening precision, high efficiency and no dust, and multiple screen meshes with different pore diameters are arranged in the screening tank to screen silicon carbide micro powder.

[0003] But since the screen mesh and the inner wall of the screening tank are connected through bolts, multiple fixing bolts need to be rotated during disassembly, thereby increasing the difficulty of subsequent replacement, for this reason, silicon carbide micro powder hydraulic screening device is proposed. UTILITY MODEL CONTENT

[0004] The utility model discloses a silicon carbide micro powder hydraulic screening device which solves the problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a silicon carbide micro powder hydraulic screening device, comprising a screening tank, a plurality of material taking doors are arranged on the front face of the screening tank, a material discharging valve is fixedly arranged at the bottom of the screening tank, a plurality of mounting rings are fixedly arranged in the screening tank, two insertion slots are arranged on the mounting ring, two positioning holes are arranged on the inner wall of the insertion slot, a filter plate is arranged at the top of the mounting ring, the hole inner diameters of the filter plate are different, a positioning assembly for fixing the filter plate and the mounting ring is arranged at the top of the filter plate, a top cover is arranged at the top of the screening tank, a material guiding pipe is arranged at the top of the top cover, and a water supply assembly is fixedly arranged at the top of the top cover.

[0006] Further description of the above technical scheme:

[0007] The positioning assembly comprises a positioning box fixedly connected with the filter plate, the positioning box is matched with the insertion slot, two guide plates are movably arranged in the positioning box, a positioning rod and an extrusion block are fixedly arranged on the side of the two guide plates away from each other, the positioning rod and the extrusion block penetrate through the inner wall of one side of the positioning box, and the positioning rod is matched with the positioning hole.

[0008] Further description of the above technical scheme:

[0009] Two groups of slide rods are fixedly arranged in the positioning box, and the two guide plates are movably connected with the two groups of slide rods.

[0010] As a further description of the above technical solutions:

[0011] The spring is sleeved on the slide rod, and two ends of the spring are respectively attached to one side of the two guide plates close to each other.

[0012] As a further description of the above technical solutions:

[0013] The water supply assembly comprises a high-pressure water pump and a water rotary joint fixedly connected to the top of the top cover, drain pipes and water inlet pipes are respectively fixedly arranged on the two sides of the high-pressure water pump, one end of the drain pipe away from the high-pressure water pump is fixedly connected with the water rotary joint, a water collecting box is fixedly arranged at the bottom of the water rotary joint, a plurality of water distribution pipes are fixedly arranged outside the water collecting box, and a plurality of water spraying holes are arranged at the bottom of the water distribution pipe.

[0014] As a further description of the above technical solutions:

[0015] Three support legs in annular equidistant array are fixedly arranged at the bottom of the screening tank, and anti-skid pads are fixedly arranged at the bottom of the three support legs.

[0016] The utility model has the advantages of:

[0017] 1. Compared with the prior art, the silicon carbide micro-powder hydraulic screening device is provided with a slot, a positioning hole, a slide rod, a guide plate, a positioning rod and an extrusion block, when the filter plate needs to be replaced, the top cover is first removed, then each group of extrusion blocks is extruded inward, the two extrusion blocks drive the two guide plates to be close to each other, and the two guide plates drive the two positioning rods, when the positioning rods are separated from the positioning holes, the filter plate is pulled up, and the filter plate can be disassembled, the extrusion blocks are extruded inward, the positioning rods are retracted into the positioning box, then the positioning box is inserted into the slot, the extrusion blocks are stopped, under the rebounding force of the spring, the two guide plates are reset, the positioning rods are inserted into the positioning holes, the filter plate is installed, the traditional bolt fixing mode is replaced, the disassembly steps are simplified, the disassembly efficiency is improved, and the subsequent maintenance difficulty is reduced.

[0018] 2. Compared with the prior art, the silicon carbide micro-powder hydraulic screening device is provided with a water rotary joint, a drain pipe, a water inlet pipe, a water collecting box and a water distribution pipe, when screening is carried out, the high-pressure water pump sucks water and introduces the water into the water rotary joint through the drain pipe, the water pressure makes the bottom of the water rotary joint rotate, and the water is sprayed towards the silicon carbide micro-powder through the plurality of water distribution pipes, the rotatable water distribution pipe can improve the uniformity of water spraying, and can effectively prevent the situation that part of the silicon carbide micro-powder cannot participate in screening and the screening efficiency is reduced due to the fact that part of the area cannot be sprayed in place. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides a three -dimensional structure schematic view of silicon carbide micro-powder hydraulic screening device.

[0020] Figure 2 A cross-sectional structure schematic view of the silicon carbide micro-powder hydraulic screening device is provided in the utility model;

[0021] Figure 3 A three-dimensional structure schematic view of the mounting ring in the silicon carbide micro-powder hydraulic screening device is provided in the utility model;

[0022] Figure 4 A cross-sectional schematic view of the positioning assembly in the silicon carbide micro-powder hydraulic screening device is provided in the utility model;

[0023] Figure 5 A three-dimensional schematic view of the water supply assembly in the silicon carbide micro-powder hydraulic screening device is provided in the utility model.

[0024] Legend:

[0025] 1, screening tank; 2, discharge valve; 3, mounting ring; 4, slot; 5, positioning hole; 6, filter plate; 7, positioning assembly; 701, positioning box; 702, sliding rod; 703, guide plate; 704, positioning rod; 705, extrusion block; 706, spring; 8, water supply assembly; 801, high-pressure water pump; 802, water swivel joint; 803, drain pipe; 804, water inlet pipe; 805, water collecting box; 806, water distribution pipe. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] With reference to Figures 1 to 5 The silicon carbide micro-powder hydraulic screening device provided by the utility model comprises a screening tank 1, three support legs in annular equidistant array are fixedly arranged at the bottom of the screening tank 1, an antiskid pad is fixedly arranged at the bottom of each support leg, a plurality of material taking doors are arranged on the front face of the screening tank 1, a discharge valve 2 is fixedly arranged at the bottom of the screening tank 1, a plurality of mounting rings 3 are fixedly arranged in the screening tank 1, two slots 4 are arranged on the mounting ring 3, two positioning holes 5 are arranged on the inner wall of the slot 4, a filter plate 6 is arranged at the top of the mounting ring 3, the hole inner diameters of the filter plate 6 are different, a top cover is arranged at the top of the screening tank 1, and a material guide pipe is arranged at the top of the top cover.

[0028] In order to realize the purpose of quick replacement, the top of the filter plate 6 is provided with a positioning assembly 7 for fixing the filter plate 6 and the mounting ring 3, the positioning assembly 7 comprises a positioning box 701 fixedly connected with the filter plate 6, the positioning box 701 is matched with the insertion groove 4, two guide plates 703 are movably arranged in the positioning box 701, two groups of slide rods 702 are fixedly arranged in the positioning box 701, the two guide plates 703 are movably connected with the two groups of slide rods 702, springs 706 are sleeved on the slide rods 702, the two ends of the springs 706 are respectively attached to the sides close to the two guide plates 703, the sides away from the two guide plates 703 are fixedly provided with a positioning rod 704 and an extrusion block 705, the positioning rod 704 and the extrusion block 705 penetrate through the inner wall of one side of the positioning box 701, the positioning rod 704 is matched with the positioning hole 5, when the filter plate 6 needs to be replaced, first, the top cover is removed, then each group of extrusion blocks 705 is extruded inward, the two extrusion blocks 705 drive the two guide plates 703 to be close to each other, the two guide plates 703 drive the two positioning rods 704, when the positioning rod 704 is separated from the positioning hole 5, the filter plate 6 is pulled up, the disassembly of the filter plate 6 is realized, the traditional bolt fixing mode is replaced, the disassembly steps are simplified, the disassembly efficiency is improved, and the subsequent maintenance difficulty is reduced.

[0029] In order to realize the purpose of uniform spraying, the top of the top cover is fixedly provided with a water supply assembly 8, the water supply assembly 8 comprises a high-pressure water pump 801 and a water rotary joint 802 fixedly connected with the top of the top cover, the water rotary joint 802 utilizes the internal mechanical sealing structure and the special bearing design, so that the joint can rotate freely while bearing water pressure, the two sides of the high-pressure water pump 801 are fixedly provided with a drain pipe 803 and a water inlet pipe 804 respectively, one end of the drain pipe 803 away from the high-pressure water pump 801 is fixedly connected with the water rotary joint 802, the bottom of the water rotary joint 802 is fixedly provided with a water collecting box 805, a plurality of water distribution pipes 806 are fixedly arranged outside the water collecting box 805, a plurality of water spray holes are arranged at the bottom of the water distribution pipe 806, the high-pressure water pump 801 sucks water and introduces the water into the water rotary joint 802 through the drain pipe 803, the water pressure makes the bottom of the water rotary joint 802 rotate, and the water is sprayed to the silicon carbide powder through the plurality of water distribution pipes 806, the rotatable water distribution pipe 806 can improve the uniformity of water spraying, and can effectively prevent the situation that part of the area cannot be sprayed in place, so as to participate in screening and reduce the screening efficiency.

[0030] Working principle: the hole inner diameter of the filter plate 6 is different, and the hole diameter gradually decreases from top to bottom, in use, first connect the water inlet pipe 804 with the water supply pipe, then start the high-pressure water pump 801 and uniformly guide the material into the screening tank 1 through the material guide pipe, the high-pressure water pump 801 sucks water and guides it into the water rotary joint 802 through the drain pipe 803, the water pressure makes the bottom of the water rotary joint 802 rotate, and the water is sprayed towards the silicon carbide powder through the plurality of water distribution pipes 806, the rotatable water distribution pipe 806 can improve the uniformity of water spraying, and can effectively prevent the situation that part of the area cannot be sprayed in place, resulting in not participating in screening and reducing the screening efficiency, under the impact of water, large particles remain on the surface of the upper filter plate 6, and small particles of silicon carbide powder leak out of the hole diameter of the filter plate 6 and fall on the next filter plate 6 to continue to participate in screening, the plurality of filter plates 6 can realize multi-stage screening of the silicon carbide powder, when the filter plate 6 needs to be replaced subsequently, first remove the top cover, then squeeze the extrusion block 705 inward, the two extrusion blocks 705 drive the two guide plates 703 to approach, and the two guide plates 703 drive the two positioning rods 704, when the positioning rod 704 is separated from the positioning hole 5, the filter plate 6 is pulled up, so that the filter plate 6 is disassembled, replacing the traditional bolt fixing mode, which can simplify the disassembly steps, improve the disassembly efficiency, and reduce the subsequent maintenance difficulty, when installing, the extrusion block 705 is squeezed inward, the positioning rod 704 is retracted into the positioning box 701, then the positioning box 701 is inserted into the slot 4, and the extrusion block 705 is stopped pressing, under the rebounding force of the spring 706, the two guide plates 703 reset, drive the positioning rod 704 to insert into the positioning hole 5, and realize the installation of the filter plate 6.

[0031] Finally, it should be pointed out that: the above only describes preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A hydrodynamic classification device for silicon carbide micropowder, comprising a classification tank (1), characterized in that: The front of the screening tank (1) is provided with a plurality of material taking doors, the bottom of the screening tank (1) is fixedly provided with a discharge valve (2), a plurality of mounting rings (3) are fixedly arranged in the screening tank (1), two insertion slots (4) are arranged on the mounting ring (3), two positioning holes (5) are arranged on the inner wall of the insertion slot (4), a filter plate (6) is arranged on the top of the mounting ring (3), the inner diameters of the holes of the filter plate (6) are different, a positioning assembly (7) for fixing the filter plate (6) and the mounting ring (3) is arranged on the top of the filter plate (6), a top cover is arranged on the top of the screening tank (1), a material guide pipe is arranged on the top of the top cover, and a water supply assembly (8) is fixedly arranged on the top of the top cover.

2. The apparatus of claim 1, wherein: The positioning assembly (7) comprises a positioning box (701) fixedly connected with the filter plate (6), the positioning box (701) is matched with the insertion slot (4), two guide plates (703) are movably arranged in the positioning box (701), a positioning rod (704) and an extrusion block (705) are fixedly arranged on the side of each of the two guide plates (703) away from each other, the positioning rod (704) and the extrusion block (705) penetrate through the inner wall of one side of the positioning box (701), and the positioning rod (704) is matched with the positioning hole (5).

3. The apparatus of claim 2, wherein: Two groups of slide rods (702) are fixedly arranged in the positioning box (701), and the two guide plates (703) are movably connected with the two groups of slide rods (702).

4. The apparatus of claim 3, wherein: A spring (706) is sleeved on the slide rod (702), and the two ends of the spring (706) are attached to the sides of the two guide plates (703) close to each other.

5. The apparatus of claim 1 wherein: The water supply assembly (8) comprises a high-pressure water pump (801) and a water rotary joint (802) fixedly connected with the top of the top cover, drain pipes (803) and water inlet pipes (804) are fixedly arranged on the two sides of the high-pressure water pump (801), one end of the drain pipe (803) away from the high-pressure water pump (801) is fixedly connected with the water rotary joint (802), a water collecting box (805) is fixedly arranged at the bottom of the water rotary joint (802), a plurality of water distribution pipes (806) are fixedly arranged on the outside of the water collecting box (805), and a plurality of water injection holes are arranged at the bottom of the water distribution pipe (806).

6. The hydro-sieving apparatus for silicon carbide micropowder according to claim 1, characterized by: The bottom of the screening tank (1) is fixedly provided with three support legs arranged in an annular equidistant array, and an anti-skid pad is fixedly arranged at the bottom of each of the three support legs.