A dry screening device for quartz ore in moraine boulders

By designing a sorting device suitable for quartz ore in glacial till gravel, the problems of clogging and high dust operation of the screening device are solved by using rotating scraper agitation, rubber rod vibration and tilting motor rotation, thus improving screening efficiency and safety.

CN118719524BActive Publication Date: 2026-08-04INST OF EARTH ENVIRONMENT CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INST OF EARTH ENVIRONMENT CHINESE ACAD OF SCI
Filing Date
2024-07-25
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

In the existing technology, the screening device for quartz sand in glacial moraine gravel is prone to screen blockage due to the accumulation of large particles, which affects the screening effect. In addition, it requires manual operation in a high dust environment, which poses health and safety risks.

Method used

A sorting device comprising a fixed frame, a stirring component, a shaking component, and a feeding component was designed. By using a rotating rod to drive the scraper to stir, a rubber rod to vibrate, and a flipping motor to flip, the device achieves rapid screening and automated feeding of quartz ore, avoiding blockages and reducing manual operation.

Benefits of technology

It improves the screening efficiency of quartz ore, reduces the risk of clogging, lowers the health risks in high-dust environments, and enables automated operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of quartz ore sorting technology, and discloses a dry screening device for quartz ore in glacial till gravel, comprising a fixed frame, a feeding frame fixedly connected to the bottom of the fixed frame, a support rotatably connected to the surface of the fixed frame, a flipping motor fixedly connected to the surface of the support, the output end of the flipping motor fixedly connected to the surface of the fixed frame, and a support frame fixedly connected to the upper surface of the fixed frame. This invention involves placing pre-treated quartz ore, dry-crushed by a jaw crusher, into the screening rack via a feeding plate. A motor is then started, driving a rotating rod. This rotating rod, through a positioning cylinder, drives an elastic rod, which in turn pushes a scraper to rotate inside the screening rack. The scraper agitates the quartz ore, allowing finer pieces to be quickly screened out. Larger pieces are pushed away from the inner wall of the screening rack by the scraper, ensuring the finer pieces are also quickly screened out. The remaining larger pieces are stored inside the screening rack for secondary jaw crushing, preventing them from accumulating on the inner wall and affecting the screening effect. The screened quartz ore is then discharged through a discharge rack into a purification device for further processing.
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Description

Technical Field

[0001] This invention relates to the field of dry screening technology for quartz ore, specifically to a device for separating quartz ore from glacial till gravel. Background Technology

[0002] Quartz sand is a non-metallic mineral, a hard, wear-resistant, and chemically stable silicate mineral. Quartz sand is milky white or colorless and translucent, with a hardness of 7. Quartz sand in glacial till is the most important raw material for cosmogenic nuclide dating of glacial bedrock to determine the time of glacial retreat. In industry, the wet quartz beneficiation system is not suitable for dating work due to the introduction of impurities. Routine dating work requires the use of sorting devices in the dry system to classify the size of quartz sand.

[0003] The dry quartz sand processing system has many limitations and must be optimized based on the actual conditions of the raw materials. Glacial till boulders lack stratification, have poor sorting and roundness, often have polished surfaces and conchoidal fractures, and contain high levels of impurities such as potassium feldspar and albite. Currently, glacial till boulders are typically sieved after jaw crushing. Fine quartz sand passes through the sieve, while larger pieces accumulate inside. This accumulation can clog the sieve, preventing the rapid removal of finer quartz sand and thus affecting the sieving efficiency. Furthermore, the discontinuous process necessitates long-term manual operation in high-dust environments for teaching and research, posing health and safety risks. Summary of the Invention

[0004] The purpose of this invention is to provide a quartz ore separation device suitable for glacial till gravel, so as to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution:

[0006] This invention relates to a device for separating quartz ore from glacial moraine gravel, comprising a fixed frame, a feeding frame fixedly connected to the bottom of the fixed frame, a support rotatably connected to the surface of the fixed frame, a tilting motor fixedly connected to the surface of the support, the output end of the tilting motor fixedly connected to the surface of the fixed frame, a support frame fixedly connected to the upper surface of the fixed frame, a screening frame fixedly connected to the end of the support frame away from the fixed frame, a feed plate hinged to the top of the screening frame, a motor fixedly connected to the surface of the fixed frame, a stirring component inside the screening frame, a shaking component inside the screening frame, and a feeding component inside the feeding frame.

[0007] The stirring component includes a rotating rod, which is fixedly connected to the output end of a motor. A positioning cylinder is fixedly connected to the surface of the rotating rod, and an elastic rod is fixedly connected to the surface of the positioning cylinder. A scraper is fixedly connected to the end of the elastic rod away from the positioning cylinder, and a disc is fixedly connected to the surface of the rotating rod.

[0008] Furthermore, the lower surface of the screening frame is located inside the fixed frame, the output end of the flipping motor passes through the support and is rotatably connected to the inner wall of the support, and there are two support frames, which are symmetrically arranged with the fixed frame as the center.

[0009] Furthermore, the number of elastic rods is set to four, and the four elastic rods are arranged circumferentially around the positioning cylinder. The end of the scraper away from the elastic rods contacts the inner wall of the screening frame. The number of discs is set to two, and the two discs are symmetrically arranged around the positioning cylinder. The end of the rotating rod away from the motor passes through the fixed frame and extends to the outer end of the fixed frame.

[0010] Furthermore, the shaking component includes a rotating frame, the inner wall of which is fixedly connected to the end of the disc, the end of which is rotatably connected to the screening frame away from the disc, a connecting rod fixedly connected to the surface of the rotating frame, a rubber rod fixedly connected to the surface of the connecting rod, a bent plate fixedly connected to the inner wall of the screening frame, a spring rod fixedly connected to the end of the bent plate away from the screening frame, and a rubber contact rod fixedly connected to the end of the spring rod away from the bent plate.

[0011] Furthermore, there are two rotating frames, which are symmetrically arranged around the screening frame. The connecting rod is located at one end of the two rotating frames that are close to each other and inside the screening frame. The rubber rod is located at the center of the surface of the connecting rod. There are four connecting rods, which are arranged circumferentially around the rotating frame. The end of the rubber contact rod away from the elastic rod is in contact with the surface of the rubber rod.

[0012] Furthermore, the feeding component includes a semi-circular spring, the inner wall of which is slidably connected to the surface of the screening frame, an extension rod is fixedly connected to the surface of the semi-circular spring, a spring spring is fixedly connected to the bottom of the inner wall of the feeding frame, a sealing plate is fixedly connected to the top of the spring spring, a positioning electric telescopic frame is fixedly connected to the top of the sealing plate, and a cylindrical frame is fixedly connected to the top of the positioning electric telescopic frame.

[0013] Furthermore, the top of the cylindrical frame is hinged to the bottom of the semi-circular spring, the bottom of the positioning electric telescopic frame passes through the sealing plate and is fixedly connected to the bottom of the inner wall of the unloading frame, the top of the cylindrical frame contacts the surface of the semi-circular spring, and the surface of the sealing plate is slidably connected to the inner wall of the unloading frame.

[0014] The present invention has the following beneficial effects:

[0015] This invention involves placing pre-treated quartz ore, dry-crushed by a jaw crusher, into the screening rack via a feeding plate. A motor is then started, driving a rotating rod. This rotating rod, through a positioning cylinder, drives an elastic rod, which in turn pushes a scraper inside the screening rack. The scraper agitates the quartz ore, allowing finer pieces to be quickly screened out. Larger pieces are pushed away from the inner wall of the screening rack by the scraper, ensuring the finer pieces are removed quickly. The remaining larger pieces are stored inside the screening rack for secondary jaw crushing, preventing accumulation and ensuring efficient screening. The screened quartz ore is then discharged through a discharge rack into a purification device for further processing. A rotating motor rotates the fixed frame, allowing the feeding plate to be tilted downwards for centralized processing of the larger pieces inside the screening rack.

[0016] When the rotating rod of this invention rotates, it drives the rotating frame to rotate via the disc. When the rotating frame rotates, it drives the rubber rod to rotate via the connecting rod. When the rubber rod rotates, it contacts the rubber contact rod and generates vibration. The vibration is transmitted to the screening frame through the spring plate, which allows the screening frame to vibrate, thus preventing quartz ore from getting stuck inside the screening frame and affecting the screening effect.

[0017] When the electric telescopic frame moves downward, it pushes the sealing plate downward, separating it from the inner wall of the feeding frame. This allows the quartz ore in the feeding frame to fall to the outer end of the feeding frame for purification. When the electric telescopic frame moves downward, the semi-circular spring moves downward, pushing the extension rod to move along the inner wall of the fixed frame. The extension rod pushes the screened quartz ore into the interior of the feeding frame, improving the screening efficiency of the quartz ore and reducing manual operation in high-dust environments.

[0018] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a schematic cross-sectional view of the fixing frame of the present invention;

[0022] Figure 3 This is a schematic diagram of the overall structure of the stirring component of the present invention;

[0023] Figure 4 This is a schematic diagram of the overall structure of the shaking component of the present invention;

[0024] Figure 5 This is a schematic diagram of the rubber contact rod structure of the present invention;

[0025] Figure 6 This is a schematic diagram of the overall structure of the feeding component of the present invention.

[0026] The attached diagram lists the components represented by each number as follows:

[0027] In the diagram: 1. Fixed frame; 2. Motor; 3. Discharge frame; 4. Support; 5. Tilting motor; 6. Screening frame; 7. Feeding plate; 8. Support frame; 9. Mixing component; 10. Shaking component; 11. Discharge component; 20. Rotating rod; 21. Positioning cylinder; 22. Disc; 23. Scraper; 24. Elastic rod; 30. Rotating frame; 32. Rubber rod; 33. Connecting rod; 34. Bending plate; 35. Elastic rod; 36. Rubber contact rod; 40. Semi-circular spring; 41. Extension rod; 42. Elastic spring; 43. Sealing plate; 44. Positioning electric telescopic frame; 45. Cylindrical frame. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. 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 are within the scope of protection of the present invention.

[0029] Please see Figures 1-6 As shown, the present invention is a quartz ore sorting device suitable for glacial moraine gravel, including a fixed frame 1, a feeding frame 3 fixedly connected to the bottom of the fixed frame 1, a support 4 rotatably connected to the surface of the fixed frame 1, a flipping motor 5 fixedly connected to the surface of the support 4, the output end of the flipping motor 5 fixedly connected to the surface of the fixed frame 1, a support frame 8 fixedly connected to the upper surface of the fixed frame 1, a screening frame 6 fixedly connected to the end of the support frame 8 away from the fixed frame 1, a feeding plate 7 hinged to the top of the screening frame 6, a motor 2 fixedly connected to the surface of the fixed frame 1, a stirring component 9 and a shaking component 10 inside the screening frame 6, and a feeding component 11 inside the feeding frame 3.

[0030] The stirring component 9 includes a rotating rod 20, which is fixedly connected to the output end of the motor 2. A positioning cylinder 21 is fixedly connected to the surface of the rotating rod 20, and an elastic rod 24 is fixedly connected to the surface of the positioning cylinder 21. A scraper 23 is fixedly connected to the end of the elastic rod 24 away from the positioning cylinder 21. In this invention, after the quartz ore pre-treated by the jaw crusher is placed into the screening frame 6 through the feed plate 7, the motor 2 is started to drive the rotating rod 20 to rotate. When the rotating rod 20 rotates, it drives the elastic rod 24 to rotate through the positioning cylinder 21. When the elastic rod 24 rotates, it pushes the scraper 23 to rotate inside the screening frame 6, thereby stirring the quartz ore with the scraper 23, so that the fine quartz ore can be stirred. The larger quartz ore is quickly screened out. Some larger quartz ore is pushed by scraper 23 and separated from the inner wall of screening frame 6, so that the fine quartz ore can be screened out quickly. The remaining larger quartz ore will be stored inside screening frame 6 for secondary jaw crushing. At the same time, it avoids the accumulation of larger quartz ore on the inner wall of screening frame 6, which will affect the screening effect. The screened quartz ore is discharged into the purification device through feeding frame 3 for purification processing. The rotation of the tilting motor 5 can drive the fixed frame 1 to tilt, so that the feeding plate 7 can be tilted to the bottom, so that the larger quartz ore inside screening frame 6 can be centrally processed. The rotating rod 20 is fixedly connected to the surface of the disc 22.

[0031] The lower surface of the screening frame 6 is set inside the fixed frame 1. The output end of the flipping motor 5 passes through the bracket 4 and is rotatably connected to the inner wall of the bracket 4. There are two support frames 8, which are symmetrically arranged with the fixed frame 1 as the center.

[0032] There are four elastic rods 24, which are arranged circumferentially around the positioning cylinder 21. The end of the scraper 23 away from the elastic rods 24 is in contact with the inner wall of the screening frame 6. There are two discs 22, which are arranged symmetrically around the positioning cylinder 21. The end of the rotating rod 20 away from the motor 2 passes through the fixed frame 1 and extends to the outer end of the fixed frame 1.

[0033] The shaking component 10 includes a rotating frame 30. The inner wall of the rotating frame 30 is fixedly connected to the end of the disc 22. The end of the rotating frame 30 away from the disc 22 is rotatably connected to the screening frame 6. A connecting rod 33 is fixedly connected to the surface of the rotating frame 30. A rubber rod 32 is fixedly connected to the surface of the connecting rod 33. A curved plate 34 is fixedly connected to the inner wall of the screening frame 6. A spring rod 35 is fixedly connected to the end of the curved plate 34 away from the screening frame 6. When the rotating rod 20 rotates, it drives the rotating frame 30 to rotate through the disc 22. When the rotating frame 30 rotates, it drives the rubber rod 32 to rotate through the connecting rod 33. When the rubber rod 32 rotates, it contacts the rubber contact rod 36 and generates vibration. The vibration is transmitted to the screening frame 6 through the spring plate 34, which allows the screening frame 6 to vibrate, thus preventing quartz ore from getting stuck inside the screening frame 6 and affecting the screening effect. The end of the spring rod 35 away from the curved plate 34 is fixedly connected to the rubber contact rod 36.

[0034] There are two rotating frames 30, which are symmetrically arranged around the screening frame 6. The connecting rod 33 is located at the end of the two rotating frames 30 that is close to each other and inside the screening frame 6. The rubber rod 32 is located at the center of the surface of the connecting rod 33. There are four connecting rods 33, which are arranged circumferentially around the rotating frame 30. The end of the rubber contact rod 36 away from the elastic rod 35 is in contact with the surface of the rubber rod 32.

[0035] The feeding component 11 includes a semi-circular spring 40, the inner wall of which is slidably connected to the surface of the screening frame 6, an extension rod 41 is fixedly connected to the surface of the semi-circular spring 40, a spring spring 42 is fixedly connected to the bottom of the inner wall of the feeding frame 3, a sealing plate 43 is fixedly connected to the top of the spring spring 42, a positioning electric telescopic frame 44 is fixedly connected to the top of the sealing plate 43, and a cylindrical frame 45 is fixedly connected to the top of the positioning electric telescopic frame 44.

[0036] The top of the cylindrical frame 45 is hinged to the bottom of the semi-circular spring 40. When the positioning electric telescopic frame 44 moves downward, it pushes the sealing plate 43 downward. The sealing plate 43 moves downward and separates from the inner wall of the feeding frame 3, so that the quartz ore in the feeding frame 3 can fall to the outer end of the feeding frame 3 for purification processing. When the positioning electric telescopic frame 44 moves downward, it moves the semi-circular spring 40 downward. When the semi-circular spring 40 moves downward, it pushes the extension rod 41 to move at the inner wall of the fixed frame 1. The extension rod 41 pushes the screened quartz ore into the interior of the feeding frame 3, improving the screening efficiency of the quartz ore. The bottom of the positioning electric telescopic frame 44 passes through the sealing plate 43 and is fixedly connected to the bottom of the inner wall of the feeding frame 3. The top of the cylindrical frame 45 is in contact with the surface of the semi-circular spring 40, and the surface of the sealing plate 43 is slidably connected to the inner wall of the feeding frame 3.

[0037] In operation, the pre-treated quartz ore from the jaw crusher is placed into the screening frame 6 via the feed plate 7. The motor 2 is then started, driving the rotating rod 20 to rotate. As the rotating rod 20 rotates, it drives the elastic rod 24 via the positioning cylinder 21. The elastic rod 24, in turn, pushes the scraper 23 to rotate inside the screening frame 6, agitating the quartz ore. This allows fine quartz ore to be quickly screened out, while larger pieces are pushed away from the inner wall of the screening frame 6 by the scraper 23. The remaining larger pieces are stored inside the screening frame 6 for secondary jaw crushing, preventing them from accumulating on the inner wall and affecting the screening effect. The screened quartz ore is then discharged through the discharge rack 3 into the purification device for further purification. The rotation of the tilting motor 5 causes the fixed frame 1 to tilt, allowing the feed plate 7 to tilt downwards, thus facilitating the cleaning of the quartz ore inside the screening frame 6. Larger quartz ore is processed centrally. When the rotating rod 20 rotates, it drives the rotating frame 30 to rotate via the disc 22. When the rotating frame 30 rotates, it drives the rubber rod 32 to rotate via the connecting rod 33. When the rubber rod 32 rotates, it contacts the rubber contact rod 36 and generates vibration. The vibration is transmitted to the screening frame 6 through the spring plate 34, which allows the screening frame 6 to vibrate, preventing the quartz ore from getting stuck inside the screening frame 6 and affecting the screening effect. When the positioning electric telescopic frame 44 moves downward, it pushes the sealing plate 43 to move downward. The sealing plate 43 moves downward and separates from the inner wall of the feeding frame 3, so that the quartz ore in the feeding frame 3 can fall to the outer end of the feeding frame 3 for purification processing. When the positioning electric telescopic frame 44 moves downward, it moves the semi-circular spring 40 downward. When the semi-circular spring 40 moves downward, it pushes the extension rod 41 to move at the inner wall of the fixed frame 1. The extension rod 41 is used to push the screened quartz ore into the interior of the feeding frame 3, improving the screening efficiency of the quartz ore.

[0038] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A dry screening device for quartz ore in glacial till gravel, comprising a fixed frame (1), characterized in that, The bottom of the fixed frame (1) is fixedly connected to the feeding frame (3), the surface of the fixed frame (1) is rotatably connected to the support (4), the surface of the support (4) is fixedly connected to the flipping motor (5), the output end of the flipping motor (5) is fixedly connected to the surface of the fixed frame (1), the upper surface of the fixed frame (1) is fixedly connected to the support frame (8), the end of the support frame (8) away from the fixed frame (1) is fixedly connected to the screening frame (6), the top of the screening frame (6) is hinged to the feeding plate (7), the surface of the fixed frame (1) is fixedly connected to the motor (2), the screening frame (6) is provided with a stirring component (9), the screening frame (6) is provided with a shaking component (10), and the feeding frame (3) is provided with a feeding component (11). The stirring component (9) includes a rotating rod (20), which is fixedly connected to the output end of the motor (2). A positioning cylinder (21) is fixedly connected to the surface of the rotating rod (20), and an elastic rod (24) is fixedly connected to the surface of the positioning cylinder (21). A scraper (23) is fixedly connected to the end of the elastic rod (24) away from the positioning cylinder (21), and a disc (22) is fixedly connected to the surface of the rotating rod (20). The shaking component (10) includes a rotating frame (30), the inner wall of which is fixedly connected to the end of the disc (22), and the end of the rotating frame (30) away from the disc (22) is rotatably connected to the screening frame (6). A connecting rod (33) is fixedly connected to the surface of the rotating frame (30), and a rubber rod (32) is fixedly connected to the surface of the connecting rod (33). A bent plate (34) is fixedly connected to the inner wall of the screening frame (6), and an elastic rod (35) is fixedly connected to the end of the bent plate (34) away from the screening frame (6). A rubber contact rod (36) is fixedly connected to the end of the elastic rod (35) away from the bent plate (34). There are two rotating frames (30), which are symmetrically arranged around the screening frame (6). The connecting rod (33) is located at one end of the two rotating frames (30) that are close to each other and inside the screening frame (6). The rubber rod (32) is located at the center of the surface of the connecting rod (33). There are four connecting rods (33), which are arranged circumferentially around the rotating frame (30). The end of the rubber contact rod (36) away from the elastic rod (35) is in contact with the surface of the rubber rod (32). The feeding component (11) includes a semi-circular spring (40), the inner wall of which is slidably connected to the surface of the screening frame (6), an extension rod (41) is fixedly connected to the surface of the semi-circular spring (40), a spring spring (42) is fixedly connected to the bottom of the inner wall of the feeding frame (3), a sealing plate (43) is fixedly connected to the top of the spring spring (42), a positioning electric telescopic frame (44) is fixedly connected to the top of the sealing plate (43), and a cylindrical frame (45) is fixedly connected to the top of the positioning electric telescopic frame (44). The top of the cylindrical frame (45) is hinged to the bottom of the semi-circular spring (40), the bottom of the positioning electric telescopic frame (44) passes through the sealing plate (43) and is fixedly connected to the bottom of the inner wall of the unloading frame (3), the top of the cylindrical frame (45) is in contact with the surface of the semi-circular spring (40), and the surface of the sealing plate (43) is slidably connected to the inner wall of the unloading frame (3).

2. The dry screening device for quartz ore in glacial till gravel according to claim 1, characterized in that: The lower surface of the screening frame (6) is set inside the fixed frame (1). The output end of the flipping motor (5) passes through the bracket (4) and is rotatably connected to the inner wall of the bracket (4). There are two support frames (8), and the two support frames (8) are symmetrically arranged with the fixed frame (1) as the center.

3. The dry screening device for quartz ore in glacial till gravel according to claim 2, characterized in that: The number of elastic rods (24) is four, and the four elastic rods (24) are arranged circumferentially around the positioning cylinder (21). The end of the scraper (23) away from the elastic rods (24) is in contact with the inner wall of the screening frame (6). The number of discs (22) is two, and the two discs (22) are arranged symmetrically around the positioning cylinder (21). The end of the rotating rod (20) away from the motor (2) passes through the fixed frame (1) and extends to the outer end of the fixed frame (1).