Silica sand preparation device with screening structure

By introducing a screening structure and a collection box into the silica sand preparation device, the problems of uneven particle size and dust pollution were solved, achieving more efficient screening and environmental protection.

CN223832488UActive Publication Date: 2026-01-27WUXI GUANGWEI SEMICONDUCTOR MATERIALS CO LTD
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Patent Information

Application Number
CN202520190861.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-27
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Traditional silica sand preparation equipment lacks an effective screening mechanism, resulting in uneven particle size distribution of the product. The dust generated during the crushing process pollutes the environment and wastes raw materials.

Method used

A silica sand preparation device with a sieving structure was designed, including a crushing chamber, a sieving box and a screen, to realize the connection between crushing and sieving, and to collect materials through a collection box to reduce dust leakage.

Benefits of technology

It improves the particle size uniformity of silica sand, reduces dust leakage, protects the health of operators, and reduces raw material waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a silicon dioxide sand preparation device with a screening structure, and relates to the technical field of silicon dioxide sand preparation, the silicon dioxide sand preparation device comprises a crushing chamber, a screening box is mounted at the bottom of the crushing chamber, a screen is arranged in the screening box, side grooves are formed in the two sides of the bottom of the screening box, and a first collecting box is inserted between the bottom of the screening box and the two side grooves; a second collecting box is arranged at one end of the screening box, a cover plate is arranged at the top of the second collecting box, a notch is formed in one side of the second collecting box, and one end of the screening box is inserted between the cover plate and the notch. According to the device, the screening box and the screen are arranged, the screen can screen smashed materials, connection of smashing and screening is achieved, the screening efficiency is effectively improved, the particle size uniformity of obtained silicon dioxide sand is ensured, the screened materials can be collected through the arrangement of the first collecting box and the second collecting box, and the screening efficiency is improved. And the crushing chamber, the screening box, the first collecting box, the second collecting box and the cover plate can form protection.
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Description

Technical Field

[0001] This utility model relates to the field of silica sand preparation technology, and more specifically, to a silica sand preparation device with a sieving structure. Background Technology

[0002] In the production of silica sand, raw materials typically need to be crushed to achieve the required particle size. Traditional silica sand preparation equipment often only includes a single crusher, with the material discharged directly after crushing, lacking an effective screening mechanism. This results in uneven particle size distribution of the final product. Furthermore, the dust generated during crushing not only affects the working environment but may also pose a threat to the health of operators. Dust loss also leads to raw material waste. Therefore, we propose an improvement: a silica sand preparation device with a screening structure. Utility Model Content

[0003] The purpose of this invention is to address the problem that materials are directly discharged after being crushed, lacking an effective screening mechanism, which leads to uneven particle size distribution in the resulting products.

[0004] To achieve the above-mentioned objectives, this utility model provides a silica sand preparation device with a sieving structure to improve the aforementioned problems.

[0005] The application is as follows:

[0006] A silica sand preparation device with a sieving structure includes a crushing chamber, a sieving box installed at the bottom of the crushing chamber, a sieve screen installed inside the sieving box, side grooves on both sides of the bottom of the sieving box, a first collection box inserted between the bottom of the sieving box and the two side grooves, a second collection box installed at one end of the sieving box, a cover plate installed on the top of the second collection box, a notch on one side of the second collection box, and one end of the sieving box inserted between the cover plate and the notch.

[0007] As a preferred technical solution of this application, the cover plate is installed on the top of the second collection box by a hinge.

[0008] As a preferred technical solution of this application, wheels are installed at the bottom of both the second collection box and the first collection box, and handles are installed on the sides of the first collection box and the second collection box that are far apart from each other.

[0009] As a preferred technical solution of this application, a support frame is fixedly installed at the bottom of the crushing chamber, and the support frame is used to support the crushing chamber.

[0010] As a preferred technical solution of this application, the crushing chamber is provided with a crushing structure, which is used for crushing in the silica sand preparation process.

[0011] As a preferred technical solution of this application, the crushing structure includes two drive shafts mounted in the crushing chamber via bearings, and crushing rollers located in the crushing chamber are fixedly sleeved on the outer surfaces of the two drive shafts.

[0012] As a preferred technical solution of this application, one end of each of the two drive shafts passes through the crushing chamber and extends to the outside of one side of the crushing chamber. A gear is fixedly sleeved on one end of each of the two drive shafts, and the two gears mesh with each other. A motor is connected between the top of the support frame and one of the drive shafts.

[0013] As a preferred technical solution of this application, a protective box is fixedly installed on the top of the crushing chamber, a feeding hopper is fixedly connected to one side of the protective box, and a protective cover is provided on the top of the feeding hopper.

[0014] As a preferred technical solution of this application, a baffle is fixedly installed on the top of the feeding hopper near the protective box, and an adjusting plate is interposed between the baffle and the protective box.

[0015] As a preferred technical solution of this application, a fixed base is fixedly installed on the top of the protective box, the adjusting plate is located between the fixed base and the baffle, and a hand-tightening bolt is provided on one side of the fixed base, one end of the hand-tightening bolt passing through the fixed base and contacting the side of the adjusting plate.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] In the scheme of this application:

[0018] To address the problem in existing technologies where materials are directly discharged after crushing, lacking an effective screening mechanism and resulting in uneven particle size distribution of the obtained product, this application addresses this issue by incorporating a screening box and a screen. The screen can screen the crushed material, achieving a seamless connection between crushing and screening, effectively improving screening efficiency, ensuring the uniformity of the particle size of the obtained silica sand, and the inclusion of a first and second collection box for collecting the screened material. Furthermore, the crushing chamber, screening box, first and second collection boxes, and cover plate form a protective barrier, reducing dust leakage during screening, improving the working environment, protecting the health of operators, and minimizing raw material waste. Attached Figure Description

[0019] Figure 1 A schematic diagram of the silica sand preparation apparatus with a sieving structure provided in this application;

[0020] Figure 2 A schematic diagram of the crushing roller of the silica sand preparation device with a sieving structure provided in this application;

[0021] Figure 3 A schematic diagram of the baffle and regulating plate of the silica sand preparation device with a sieving structure provided in this application;

[0022] Figure 4 A schematic diagram of the notch in the silica sand preparation apparatus with a sieving structure provided in this application.

[0023] The image shows:

[0024] 1. Crushing chamber; 101. Drive shaft; 102. Crushing roller; 103. Gear; 104. Motor; 105. Support frame; 2. Screening box; 201. Screen; 202. First collection box; 203. Second collection box; 204. Notch; 205. Cover plate; 206. Wheel; 207. Handle; 208. Side groove; 3. Protective box; 301. Feeding hopper; 302. Protective cover; 303. Baffle; 304. Adjusting plate; 305. Fixed seat; 306. Hand-tightening bolt. Detailed Implementation

[0025] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0026] As described in the background section, traditional silica sand preparation equipment often only contains a single crusher. The material is discharged directly after crushing, lacking an effective screening mechanism, which leads to uneven particle size distribution of the obtained product. In addition, the dust generated during the crushing process not only affects the working environment but may also pose a threat to the health of operators. At the same time, the loss of dust also results in the waste of raw materials.

[0027] To solve this technical problem, this utility model provides a silica sand preparation device with a sieving structure.

[0028] For details, please refer to Figure 1 , Figure 2 and Figure 4 The silica sand preparation device with a sieving structure specifically includes:

[0029] The crushing chamber 1 has a sieve box 2 installed at its bottom. The sieve box 2 is equipped with a sieve 201. Side grooves 208 are provided on both sides of the bottom of the sieve box 2. A first collection box 202 is inserted between the bottom of the sieve box 2 and the two side grooves 208. A second collection box 203 is provided at one end of the sieve box 2. A cover plate 205 is provided on the top of the second collection box 203. A notch 204 is provided on one side of the second collection box 203, and one end of the sieve box 2 is inserted between the cover plate 205 and the notch 204.

[0030] The silica sand preparation device with a sieving structure provided by this utility model, through the setting of a sieving box 2 and a screen 201, can sieve the crushed material, realize the connection between crushing and sieving, effectively improve the sieving efficiency, and ensure the uniformity of particle size of the obtained silica sand. The setting of the first collection box 202 and the second collection box 203 can collect the sieved material, and the crushing chamber 1, the sieving box 2, the first collection box 202, the second collection box 203 and the cover plate 205 can form a protection, reduce dust leakage during the sieving process, improve the working environment, protect the health of operators, and reduce the waste of raw materials.

[0031] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0032] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0033] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0034] Example 1, please refer to Figure 1 , Figure 2 and Figure 4A silica sand preparation device with a sieving structure includes a crushing chamber 1, a sieving box 2 installed at the bottom of the crushing chamber 1, a screen 201 disposed inside the sieving box 2, side grooves 208 formed on both sides of the bottom of the sieving box 2, a first collection box 202 inserted between the bottom of the sieving box 2 and the two side grooves 208, a second collection box 203 disposed at one end of the sieving box 2, a cover plate 205 disposed on the top of the second collection box 203, a notch 204 formed on one side of the second collection box 203, and one end of the sieving box 2 inserted between the cover plate 205 and the notch 204; this application, through design... The sieve box 2 and sieve 201 are installed. The sieve 201 can screen the crushed material, realizing the connection between crushing and screening, effectively improving screening efficiency, and ensuring the uniformity of particle size of the obtained silica sand. The first collection box 202 and the second collection box 203 can collect the screened material. The crushing chamber 1, sieve box 2, first collection box 202, second collection box 203 and cover plate 205 can form a protection, reducing dust leakage during screening, improving the working environment, protecting the health of operators, and reducing the waste of raw materials.

[0035] Furthermore, such as Figure 1 As shown, the cover plate 205 is hinged to the top of the second collection box 203, so that the cover plate 205 can be opened to facilitate the removal of the material collected in the second collection box 203.

[0036] Furthermore, such as Figure 1 and Figure 4 As shown, both the bottom of the second collection box 203 and the first collection box 202 are equipped with wheels 206, and the sides of the first collection box 202 and the second collection box 203 that are away from each other are equipped with handles 207. The wheels 206 and handles 207 facilitate the movement of the first collection box 202 and the second collection box 203.

[0037] Example 2 further optimizes the silica sand preparation apparatus with a sieving structure provided in Example 1, specifically, as follows: Figures 1-2 As shown, a support frame 105 is fixedly installed at the bottom of the crushing chamber 1, and the support frame 105 is used to support the crushing chamber 1.

[0038] Furthermore, the crushing chamber 1 is equipped with a crushing structure, which is used for crushing during the silica sand preparation process.

[0039] Furthermore, such as Figures 1-2 As shown, the crushing structure includes two drive shafts 101 mounted in the crushing chamber 1 by bearings. Crushing rollers 102 located in the crushing chamber 1 are fixedly sleeved on the outer surface of the two drive shafts 101. The drive shafts 101 are used to support the crushing rollers 102, and the crushing rollers 102 can be used for crushing during the preparation of silica sand when they rotate.

[0040] Furthermore, such as Figures 1-2 As shown, one end of each of the two drive shafts 101 passes through the crushing chamber 1 and extends to the outside of one side of the crushing chamber 1. A gear 103 is fixedly sleeved on one end of each of the two drive shafts 101. The two gears 103 mesh with each other. A motor 104 is connected between the top of the support frame 105 and one of the drive shafts 101. The motor 104 can drive the crushing roller 102 to rotate through the mutual cooperation of the drive shaft 101 and the gear 103.

[0041] Example 3 further optimizes the silica sand preparation apparatus with a sieving structure provided in Example 1 or 2, specifically, as follows: Figure 1 and Figure 3 As shown, a protective box 3 is fixedly installed on the top of the crushing chamber 1. A feeding hopper 301 is fixedly connected to one side of the protective box 3. A protective cover 302 is provided on the top of the feeding hopper 301. The protective cover 302 is installed on the top of the feeding hopper 301 by a hinge.

[0042] Furthermore, such as Figure 1 and Figure 3 As shown, a baffle 303 is fixedly installed on the top of the feeding hopper 301 near the protective box 3. An adjusting plate 304 is inserted between the baffle 303 and the protective box 3. The adjusting plate 304 can move up and down. By adjusting the position of the adjusting plate 304, the amount of material fed from the feeding hopper 301 into the protective box 3 can be controlled.

[0043] Furthermore, such as Figure 1 As shown, a fixed base 305 is fixedly installed on the top of the protective box 3. An adjusting plate 304 is located between the fixed base 305 and the baffle 303. A hand-tightening bolt 306 is provided on one side of the fixed base 305. One end of the hand-tightening bolt 306 passes through the fixed base 305 and contacts the side of the adjusting plate 304. Tightening the hand-tightening bolt 306 can fix the position of the adjusting plate 304, while loosening the hand-tightening bolt 306 can pull the adjusting plate 304 up and down.

[0044] The usage process of the silica sand preparation device with a sieving structure provided by this utility model is as follows:

[0045] Loosen the hand-tightening bolt 306, pull the adjusting plate 304 up and down to adjust its position, then tighten the hand-tightening bolt 306. Open the hand-tightening bolt 306 and add material into the feeding hopper 301. The motor 104 drives the crushing roller 102 to rotate through the transmission shaft 101 and gear 103. After the material falls into the crushing chamber 1, it is crushed by the gear 103. The crushed material falls onto the screen 201 and is screened by the screen 201. Fine material falls into the first collection box 202, while large particles are discharged from the screening box 2 into the second collection box 203.

[0046] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0047] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A silica sand preparation apparatus with a sieving structure, characterized in that, The device includes a crushing chamber (1), a sieve box (2) installed at the bottom of the crushing chamber (1), a sieve (201) inside the sieve box (2), side grooves (208) on both sides of the bottom of the sieve box (2), a first collection box (202) inserted between the bottom of the sieve box (2) and the two side grooves (208), a second collection box (203) at one end of the sieve box (2), a cover plate (205) at the top of the second collection box (203), a notch (204) on one side of the second collection box (203), and one end of the sieve box (2) inserted between the cover plate (205) and the notch (204).

2. The silica sand preparation device with a sieving structure according to claim 1, characterized in that, The cover plate (205) is hinged to the top of the second collection box (203).

3. The silica sand preparation device with a sieving structure according to claim 2, characterized in that, The bottom of the second collection box (203) and the first collection box (202) are both equipped with wheels (206), and the sides of the first collection box (202) and the second collection box (203) that are far apart from each other are equipped with handles (207).

4. The silica sand preparation device with a sieving structure according to claim 3, characterized in that, A support frame (105) is fixedly installed at the bottom of the crushing chamber (1), and the support frame (105) is used to support the crushing chamber (1).

5. The silica sand preparation device with a sieving structure according to claim 4, characterized in that, The crushing chamber (1) is equipped with a crushing structure, which is used for crushing in the silica sand preparation process.

6. The silica sand preparation device with a sieving structure according to claim 5, characterized in that, The crushing structure includes two drive shafts (101) mounted in the crushing chamber (1) by bearings, and crushing rollers (102) located in the crushing chamber (1) are fixedly sleeved on the outer surfaces of the two drive shafts (101).

7. The silica sand preparation apparatus with a sieving structure according to claim 6, characterized in that, One end of each of the two drive shafts (101) passes through the crushing chamber (1) and extends to the outside of one side of the crushing chamber (1). One end of each of the two drive shafts (101) is fixedly fitted with a gear (103). The two gears (103) mesh with each other. A motor (104) is connected between the top of the support frame (105) and one of the drive shafts (101).

8. The silica sand preparation device with a sieving structure according to claim 7, characterized in that, A protective box (3) is fixedly installed on the top of the crushing chamber (1), and a feeding hopper (301) is fixedly connected to one side of the protective box (3). A protective cover (302) is provided on the top of the feeding hopper (301).

9. The silica sand preparation device with a sieving structure according to claim 8, characterized in that, A baffle (303) is fixedly installed on the top of the feeding hopper (301) near the protective box (3), and an adjusting plate (304) is inserted between the baffle (303) and the protective box (3).

10. The silica sand preparation apparatus with a sieving structure according to claim 9, characterized in that, The top of the protective box (3) is fixedly installed with a fixed seat (305), and the adjusting plate (304) is located between the fixed seat (305) and the baffle (303). A hand-tightening bolt (306) is provided on one side of the fixed seat (305), and one end of the hand-tightening bolt (306) passes through the fixed seat (305) and contacts the side of the adjusting plate (304).