Magnesium hydroxide screening and subpackaging device

By designing a screening and dispensing device with reciprocating motion of pressure rollers and screens, the problems of magnesium hydroxide agglomeration and incomplete screening were solved, achieving efficient and precise screening and environmentally friendly purification, thus improving product quality and equipment lifespan.

CN223875520UActive Publication Date: 2026-02-06LIAONING XINYANG MATERIALS&TECH CO LTD
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Patent Information

Application Number
CN202520278975.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-02-06
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

Existing magnesium hydroxide screening devices suffer from poor agglomeration treatment, incomplete screening, and insufficient environmental friendliness, which affect product quality.

Method used

A screening and sorting device including a pressure roller, a motor, a cam, a stop block, and a rotating wheel was designed. The pressure roller breaks up clumps of material, and the stepped aperture and reciprocating motion of the screen achieve precise screening. It is also equipped with a dust extraction fan and a filter screen for dust purification.

Benefits of technology

It improves screening efficiency and accuracy, reduces particle splashing and environmental pollution, extends equipment life, and ensures a clean operating environment and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a magnesium hydroxide screening and sub-packaging device, which relates to the technical field of screening and sub-packaging, and comprises a screening box, the surface of the screening box is fixedly provided with a feed inlet and a first motor, the output end of the first motor is fixedly provided with a compression roller, and the surface of the screening box is fixedly provided with a second motor. According to the screening device, caked materials can be scattered through the compression roller and the first motor, it is ensured that the materials evenly enter the screening box, the screening efficiency is improved, more stable reciprocating motion can be achieved through the design of the cam, the abutting block and the rotating wheel, mechanical abrasion is reduced, and the service life of the screening device is prolonged; and a screen mesh on the screening frame is matched with a material receiving plate, so that particles with different particle sizes are accurately separated and directly enter corresponding collecting containers through a split charging opening.
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Description

Technical Field

[0001] This utility model relates to the field of screening and packaging technology, and in particular to a magnesium hydroxide screening and packaging device. Background Technology

[0002] Magnesium hydroxide has excellent flame-retardant properties. When heated and decomposed, it absorbs a large amount of heat, and the released water vapor can dilute the concentration of combustible gases and oxygen, thus playing a role in flame retardancy and smoke suppression. It is widely used in plastics, rubber, coatings and other fields. Publication No. CN219233047U discloses a magnesium hydroxide screening and packaging structure, relating to the field of waterproof membrane preparation technology. This utility model discloses a magnesium hydroxide screening and packaging structure, relating to the field of waterproof membrane preparation technology. This utility model includes a screening box, inside which are respectively arranged a first screen, a second screen and a third screen, which are arranged in a stepped manner with increasing aperture. The first screen, the second screen and the third screen are all driven by a driving mechanism to reciprocate, and the driving mechanism is fixed to the outer surface of the screening box. A first packaging mechanism is arranged below the first screen, and a second packaging mechanism is arranged below the second screen. This invention provides a solution for magnesium hydroxide granules that meet product requirements after being sieved through a three-layer screen. The first, second, and third screens can reciprocate via a drive mechanism, resulting in excellent sieving performance and thorough separation of particles of various sizes. This solves the problems of insufficient sieving performance and environmental friendliness of existing screening structures. However, magnesium hydroxide is prone to clumping during storage, and this screening device is ineffective in handling clumped magnesium hydroxide. Furthermore, the current structure does not completely separate particles, leading to some particles not being effectively separated and affecting product quality. Therefore, improvements are needed. Utility Model Content

[0003] The purpose of this utility model is to solve the technical problems mentioned in the background section.

[0004] This utility model adopts the following technical solution: a magnesium hydroxide screening and dispensing device, including a screening box, an inlet and a first motor fixedly installed on the surface of the screening box, a pressure roller fixedly installed on the output end of the first motor, a second motor fixedly installed on the surface of the screening box, a cam fixedly installed on the output end of the second motor, a protective plate fixedly installed on the inner surface of the screening box, a guide frame fixedly installed on the surface of the protective plate, a stop block slidably connected to the inner surface of the guide frame, a top rod and a first spring fixedly installed on the surface of the stop block, a support block fixedly installed on the surface of the top rod, a limit rod fixedly installed on the surface of the support block, a second spring fixedly installed on the surface of the limit rod, and a screening frame fixedly installed on the surface of the support block.

[0005] Preferably, the surface of the screening frame is fixedly provided with a screen and a material receiving plate, the surface of the screening box is fixedly provided with a sub-packaging opening, and the inner surface of the abutting block is rotationally connected with a rotating wheel. Here, the sub-packaging opening is arranged in front of the screen and the material receiving plate, so that the screened material can directly enter different specifications of the collecting containers through the sub-packaging opening, ensuring accurate particle classification, and the design of the rotating wheel enables the abutting block to realize more stable reciprocating motion under the driving of the cam, thereby improving the screening efficiency.

[0006] Preferably, the first spring and the second spring are fixedly arranged between the protective plate, the top rod and the limiting rod are slidingly connected with the protective plate, and the cam is abuttingly connected with the rotating wheel. Here, the design of the first spring and the second spring provides double buffering and cooperation with the limiting rod, so that the screen can remain stable during reciprocating motion, effectively reducing particle splashing caused by vibration, and further improving the screening accuracy and environmental protection.

[0007] Preferably, the two upper screens arranged on the screening frame have a larger mesh size than the lower screens. Here, different particle sizes are screened step by step to ensure complete separation, and the two sides of the screen are also provided with baffles to prevent particle side leakage, further improving the screening effect.

[0008] Preferably, the surface of the screening box is fixedly provided with a dust suction pipe and a purification box, the purification box is slidingly connected with a filter screen inside, the purification box is fixedly provided with a dust suction fan inside, and the surface of the purification box is rotationally connected with a buckle. Here, the cooperation of the dust suction fan and the filter screen can effectively suck and purify the dust generated in the screening box, reduce environmental pollution, and protect the health of the operators.

[0009] Preferably, the dust suction pipe and the purification box are fixedly arranged, and the filter screen is made of polyester material. Here, the filter screen can be quickly replaced by rotating the buckle, ensuring continuous and efficient purification effect, and the polyester filter screen is low in cost, easy to maintain, reduces operating costs, and prolongs the service life of the equipment.

[0010] Compared with the prior art, the advantages and positive effects of the utility model are as follows:

[0011] 1. In the utility model, the compression roller and the first motor can scatter the caked material, ensure that the material uniformly enters the screening box, improve the screening efficiency, the design of the cam, the abutting block and the rotating wheel can realize more stable reciprocating motion, reduce mechanical wear and tear, prolong the service life of the equipment, the screen and the material receiving plate on the screening frame cooperate to accurately separate particles of different particle sizes, and directly enter the corresponding collecting containers through the sub-packaging opening.

[0012] 2. The utility model discloses a dust absorption fan, filter screen, dust absorption pipe and purification box are set up through the synergies, effectively adsorb and purify the dust generated in the screening process, reduce air pollution, guarantee the operation environment clean, promote work efficiency, reduce maintenance cost simultaneously, prolong the overall service life of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A front view of the magnesium hydroxide screening and subpackaging device is provided for the utility model;

[0014] Figure 2 A rear view of the magnesium hydroxide screening and subpackaging device is provided for the utility model;

[0015] Figure 3 An internal structure schematic view of the magnesium hydroxide screening and subpackaging device is provided for the utility model;

[0016] Figure 4 A magnesium hydroxide screening and subpackaging device is provided for the utility model Figure 3 An enlarged view of A in the utility model;

[0017] Figure 5 A purification tank structure schematic view of the magnesium hydroxide screening and subpackaging device is provided for the utility model.

[0018] Legend:

[0019] 1, screening box, 2, feed inlet, 3, first motor, 4, press roll, 5, second motor, 6, cam, 7, guard plate, 8, guide frame, 9, stop block, 10, top rod, 11, first spring, 12, support block, 13, limit rod, 14, second spring, 15, screening frame, 16, screen, 17, receiving plate, 18, subpackaging port, 19, runner, 20, dust absorption pipe, 21, purification tank, 22, filter screen, 23, dust absorption fan, 24, buckle. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further explained below in combination with the drawings and examples. It should be explained that the examples and features in the examples of the application can be combined with each other without conflict.

[0021] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific examples disclosed in the following disclosure.

[0022] Example one

[0023] Please refer to Figures 1-4The utility model provides a technical scheme: a magnesium hydroxide screening and subpackaging device, including screening box 1, the surface fixed mounting of screening box 1 has feed inlet 2 and first motor 3, the output fixed mounting of first motor 3 has press roll 4, the surface fixed mounting of screening box 1 has second motor 5, the output fixed mounting of second motor 5 has cam 6, the inner fixed mounting of screening box 1 has guard plate 7, the surface fixed mounting of guard plate 7 has guide frame 8, the inner surface sliding connection of guide frame 8 has resist block 9, the surface fixed mounting of resist block 9 has top rod 10 and first spring 11, the surface fixed mounting of top rod 10 has support block 12, the surface fixed mounting of support block 12 has limit rod 13, the surface fixed mounting of limit rod 13 has second spring 14, the surface fixed mounting of support block 12 has screening frame 15, the surface fixed mounting of screening frame 15 has screen 16 and receiving plate 17, the surface fixed mounting of screening box 1 has subpackaging mouth 18, the inner surface rotationally connected of resist block 9 has runner 19, subpackaging mouth 18 is set at the front of screen 16 and receiving plate 17, it is convenient for the material of screening well to pass through subpackaging mouth 18 directly into different specifications's collection container, ensure that particle classification is accurate, the design of runner 19 makes resist block 9 realize more stable reciprocating motion under the drive of cam 6, improve screening efficiency, first spring 11 and second spring 14 are fixedly installed between guard plate 7, top rod 10 and limit rod 13 are slidingly connected between guard plate 7, cam 6 is abuttedly connected between runner 19, the design of first spring 11 and second spring 14 provides double buffering and limit rod 13 between each other cooperation, ensure that screen 16 keeps stable in reciprocating motion, effectively reduce the particle splashing due to vibration, further improve screening accuracy and environmental protection, the screen 16 of screening frame 15 installation has two upper screen 16 aperture than lower screen 16 aperture, gradually screening different particle size particles, ensure that separation is thorough, the both sides of screen 16 still design baffle, prevent particle side leakage, further improve screening effect.

[0024] Example two

[0025] Please refer to Figure 5 The surface of the screening box 1 is fixedly installed with a dust suction pipe 20 and a purification box 21, the inside of the purification box 21 is slidingly connected with a filter screen 22, the inside of the purification box 21 is fixedly installed with a dust suction fan 23, the surface of the purification box 21 is rotationally connected with a buckle 24, through the cooperation of the dust suction fan 23 and the filter screen 22, the dust generated in the screening box 1 can be effectively sucked and purified, the environmental pollution is reduced, the health of the operators is protected, the dust suction pipe 20 and the purification box 21 are fixedly installed, the filter screen 22 is made of polyester material, the filter screen can be quickly replaced by rotating the buckle 24, the purification effect is continuously efficient, the filter screen 22 made of polyester material is low in cost, easy to maintain, reduces the operating cost, and prolongs the service life of the equipment.

[0026] Working principle: first, the material is poured into the feed inlet 2, the pressure roller 4 arranged in the screening box 1 will be evenly dispersed under the drive of the first motor 3, and the material will be evenly distributed to the screen 16 under the action of gravity, the screening frame 15 will make the cam 6 rotate under the drive of the second motor 5, the outer surface of the cam 6 is in contact with the rotating wheel 19, when the front end of the cam 6 contacts the rotating wheel 19, the stop block 9 will move upward to make the top rod 10 drive the screening frame 15 to move upward, the screen 16 vibrates, the material passes through the screen 16 with different aperture step by step, and when the front end of the cam 6 leaves the rotating wheel 19, the stop block 9 will move downward to drive the screen 16 to reciprocate, during which the first spring 11 and the second spring 14 provide double buffering to ensure the smooth movement of the screen 16 and reduce the splashing of particles, the limiting rod 13 and the top rod 10 will slide in the inside of the protection plate 7 to ensure the stability and accuracy of the movement of the screen 16, so as to realize efficient screening, the protection plate 7 can prevent the material and dust from entering, ensure the cleanliness and durability of the internal mechanical parts, the material will be screened step by step through the operation of the second motor 5, and finally the particles with different particle sizes are separated and discharged through the sub-packaging port 18, directly into different specification collection containers, and the dust generated in the screening process in the screening box 1 will be sucked into the purification tank 21 through the dust suction pipe 20 and filtered through the filter screen 22, and finally the purified air is discharged to the external environment through the dust suction fan 23, effectively controlling dust pollution, through the convenient connection of the buckle 24, the operator can quickly replace the filter screen to ensure the continuous and efficient purification effect.

[0027] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belongs to the protection scope of the present application.

Claims

1. A magnesium hydroxide screening and dispensing device comprising a screening box (1), characterized in that: The surface of the screening box (1) is fixedly installed with a feeding port (2) and a first motor (3), the output end of the first motor (3) is fixedly installed with a compression roller (4), the surface of the screening box (1) is fixedly installed with a second motor (5), the output end of the second motor (5) is fixedly installed with a cam (6), the inner surface of the screening box (1) is fixedly installed with a protective plate (7), the surface of the protective plate (7) is fixedly installed with a guide frame (8), the inner surface of the guide frame (8) is slidably connected with an abutting block (9), the surface of the abutting block (9) is fixedly installed with a jacking rod (10) and a first spring (11), the surface of the jacking rod (10) is fixedly installed with a supporting block (12), the surface of the supporting block (12) is fixedly installed with a limiting rod (13), the surface of the limiting rod (13) is fixedly installed with a second spring (14), the surface of the supporting block (12) is fixedly installed with a screening frame (15).

2. The magnesium hydroxide screening and dispensing apparatus of claim 1, wherein: The surface of the screening frame (15) is fixedly installed with a screen (16) and a receiving plate (17), the surface of the screening box (1) is fixedly installed with a sub-packaging port (18), the inner surface of the abutting block (9) is rotatably connected with a rotating wheel (19).

3. The magnesium hydroxide screening and dispensing apparatus of claim 1, wherein: The first spring (11) and the second spring (14) are fixedly installed between the protective plate (7), the jacking rod (10) and the limiting rod (13) are slidably connected with the protective plate (7), and the cam (6) is abuttingly connected with the rotating wheel (19).

4. The magnesium hydroxide screening and dispensing apparatus of claim 1, wherein: The two upper screens (16) of the screening frame (15) have larger pore diameters than the lower screens (16).

5. The magnesium hydroxide screening and dispensing apparatus of claim 1, wherein: The surface of the screening box (1) is fixedly installed with a dust suction pipe (20) and a purification box (21), the inside of the purification box (21) is slidably connected with a filter screen (22), the inside of the purification box (21) is fixedly installed with a dust suction fan (23), and the surface of the purification box (21) is rotatably connected with a buckle (24).

6. The magnesium hydroxide screening and dispensing apparatus of claim 5, wherein: The dust suction pipe (20) is fixedly installed with the purification box (21), and the filter screen (22) is made of polyester material.

Citation Information

Patent Citations

  • Magnesium hydroxide screening and subpackaging structure

    CN219233047U