Ore grinding and screening device

By designing an ore grinding screening device that includes screening and transportation components, the problem of larger ore in ore grinding affecting the grinding effect is solved, and a more efficient ore grinding process is achieved.

CN222984466UActive Publication Date: 2025-06-17BENXI JINLONG GOLD MINING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421928070.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-09
Publication Date
2025-06-17
Estimated Expiration
2034-08-09

AI Technical Summary

Technical Problem

During the ore crushing process, the crushing device lacks a screening structure, resulting in the mixing of larger ore blocks with the grinded ore, affecting the grinding effect, and repeated grinding is required to reduce efficiency.

Method used

An ore grinding screening device is designed, including a crushing component, a grinding component, a screening component, a transport component and a collection component. The grinded ore particles are screened through the screening component, large blocks of ore that have not met the standard are screened out, and the screened ore blocks are re-transported to the grinding component for re-grinding.

Benefits of technology

Through the combination of screening and transportation components, the grinding quality of ore is improved, the need for repeated grinding is reduced, and the grinding efficiency is improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222984466U_ABST
    Figure CN222984466U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of ore processing, in particular to an ore grinding and screening device. The technical problems that when ore is ground, part of large ore blocks exist in crushed ore, due to the fact that a smashing and grinding device is not provided with a screening structure, the large ore blocks and the ground ore are mixed together, the grinding effect of the ore is affected, the ore needs to be ground again, and the grinding efficiency is reduced are solved. According to the technical scheme, the ore grinding and screening device comprises a smashing assembly, a grinding assembly, a screening assembly and a conveying assembly; compared with a traditional ore grinding device, the ore grinding device has the advantages that the screening structure and the conveying structure are arranged and used in cooperation, ground ore particles can be filtered and screened, ore particles which do not reach the standard can be intercepted, ore blocks can be shaken off from the screening structure, and the ore grinding efficiency is improved. And the screened ore blocks are conveyed into the grinding structure again through the conveying structure to be ground, and therefore the grinding quality of the ore can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of ore processing, in particular to an ore grinding and screening device. Background Art

[0002] Ore refers to the rock or mineral aggregate containing useful minerals mined from the earth's crust. It is an important raw material in industrial production, used for extracting metals, manufacturing building materials, chemical raw materials, etc. Ore deposits are found through geological surveys and other methods. After the ore is mined from underground or the surface, the useful minerals are separated from the waste rock by physical or chemical methods to improve the grade of the ore. After the ore is beneficiated, it is further processed to extract metal or non-metal elements. When the mined ore is crushed and ground, there are still some relatively large ore blocks in the crushed ore. Since the crushing and grinding device does not have a screening structure, the relatively large ore blocks will be mixed with the ground ore, affecting the grinding effect of the ore, and it is necessary to spend time grinding again, reducing the grinding efficiency. Content of the Utility Model

[0003] In order to overcome the problem that when the mined ore is crushed and ground, there are still some relatively large ore blocks in the crushed ore. Since the crushing and grinding device does not have a screening structure, the relatively large ore blocks will be mixed with the ground ore, affecting the grinding effect of the ore, and it is necessary to grind the ore again, reducing the grinding efficiency.

[0004] The technical solution of the utility model is: an ore grinding and screening device, which includes a feeding bin, a box body assembly, a crushing assembly, a grinding assembly, a screening assembly, a transportation assembly and a collection assembly; the bottom surface of the feeding bin is provided with the box body assembly, the inner side of the box body assembly is provided with the crushing assembly, the inner side of the box body assembly is provided with the grinding assembly, the inner side of the box body assembly is provided with the screening assembly, the side surface of the box body assembly is provided with the transportation assembly, and the inner top surface of the box body assembly is provided with the collection assembly.

[0005] Preferably, the box body assembly can provide a supporting role for the whole device. The ore is crushed and ground inside the box body assembly, which can reduce the dust flying. The crushing assembly can crush the ore to facilitate subsequent grinding treatment. The grinding assembly can grind the crushed ore into smaller ore particles. The screening assembly can screen the ground ore particles and screen out the unqualified large ore blocks. The transportation assembly can transport the unqualified ore after screening to the grinding assembly for grinding again. The collection assembly can collect the ground ore particles.

[0006] Preferably, the box assembly includes an outer box body, support columns, and anti-slip pads; the bottom surface of the feeding bin is provided with an outer box body, the bottom surface of the outer box body is provided with support columns, there are four groups of support columns, and the bottom surface of the support columns is provided with anti-slip pads. The support columns provide support for the outer box body, and the anti-slip pads prevent the device from shifting and sliding during operation.

[0007] Preferably, the crushing assembly includes a crushing motor, a crushing rotating shaft, crushing rollers, and a transport inclined plate; the side surface of the outer box body is provided with crushing motors, there are two groups of crushing motors, the output end of the crushing motor is provided with a crushing rotating shaft, the outside of the crushing rotating shaft is provided with crushing rollers, and the inside of the outer box body is provided with a transport inclined plate. The crushing motor is used to drive the crushing rotating shaft to rotate, and by driving the two groups of crushing rollers to rotate towards each other, the ore is crushed, and the crushed ore enters the grinding bin through the transport inclined plate for grinding treatment.

[0008] Preferably, the grinding assembly includes a grinding motor, a grinding rotating shaft, grinding blocks, and a grinding bin; the top surface of the outer box body is provided with a grinding motor, the output end of the grinding motor is provided with a grinding rotating shaft, the bottom surface of the grinding rotating shaft is provided with grinding blocks, and the inside of the outer box body is provided with a grinding bin. The grinding motor is used to drive the grinding rotating shaft to rotate, and by driving the grinding blocks to rotate in the grinding bin, the crushed ore is ground into smaller ore particles.

[0009] Preferably, the screening assembly includes a screening branch plate, a vibration motor, buffer springs, and a vibration sieve frame; the inside of the outer box body is provided with a screening branch plate, the top surface of one group of screening branch plates is provided with a vibration motor, the top surface of the other group of screening branch plates is provided with buffer springs, there are multiple groups of buffer springs, the top surface of the buffer springs is provided with a vibration sieve frame, the vibration sieve frame is arranged on the top surface of the vibration motor, and the ground ore particles enter the vibration sieve frame for screening. The vibration motor is used to drive the vibration sieve frame to vibrate up and down, so that the qualified ore particles pass through the vibration sieve frame and enter the collection box for collection, and the unqualified ore is transported to the transport bin through the vibration sieve frame. The elastic force of the buffer springs provides buffering for the other end of the vibration sieve frame to prevent the amplitude of the vibration sieve frame from being too large, and the qualified ore particles pass through the vibration sieve frame.

[0010] Preferably, the transport assembly includes a transport bin, a transport motor, a transport rotating shaft, and a transport auger; the side surface of the outer box body is provided with a transport bin, the bottom surface of the transport bin is provided with a transport motor, the output end of the transport motor is provided with a transport rotating shaft, and the outside of the transport rotating shaft is provided with a transport auger. The transport motor is used to drive the transport rotating shaft to rotate, so that the screened ore blocks in the transport bin re-enter the grinding bin through the transport inclined plate for grinding.

[0011] Preferably, the collection component includes a chute, a collection box, and a collection handle; a chute is provided on the inner top surface of the outer box body, and two groups of chutes are provided. A collection box is arranged on the top surface of the chute, and a collection handle is arranged on the side of the collection box. The collection box is pulled by the collection handle to slide in the chute, and the collection box is taken out of the outer box body, which is convenient for subsequent processing of the ground ore particles.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. Compared with traditional ore crushing and grinding devices, there are still some relatively large ore blocks in the crushed ore. Since the crushing and grinding device does not have a screening structure, the relatively large ore blocks will be mixed with the ground ore, affecting the grinding effect of the ore, and the ore needs to be ground again, reducing the grinding efficiency. By setting the screening structure and the transportation structure to cooperate, the ground ore particles can be filtered and screened, the non-compliant ore particles can be intercepted, and the ore blocks can be shaken off the screening structure, and then the screened ore blocks are transported back to the grinding structure for grinding through the transportation structure, thereby improving the grinding quality of the ore.

[0014] 2. The ground ore particles enter the vibrating sieve frame for screening. The vibrating motor drives the vibrating sieve frame to vibrate up and down, so that the compliant ore particles pass through the vibrating sieve frame and enter the collection box for collection. The elastic force of the buffer spring provides buffering for the other end of the vibrating sieve frame to prevent the amplitude of the vibrating sieve frame from shaking too much. The compliant ore particles pass through the vibrating sieve frame, and the non-compliant ore is transported to the transportation bin through the vibrating sieve frame. The transportation motor drives the transportation rotating shaft to rotate, and then the screened ore blocks in the transportation bin enter the grinding bin again through the transportation inclined plate for grinding through the transportation auger.

[0015] 3. The crushing motor drives the crushing rotating shaft to rotate, and the ore is crushed by driving two groups of crushing rollers to rotate towards each other. The crushed ore enters the grinding bin through the transportation inclined plate for grinding. The grinding motor drives the grinding rotating shaft to rotate, and the ground ore is ground into smaller ore particles by driving the grinding blocks to rotate in the grinding bin. The collection box is pulled by the collection handle to slide in the chute, and the collection box is taken out of the outer box body, which is convenient for subsequent processing of the ground ore particles. Description of the Drawings

[0016] Figure 1 Shown is a three-dimensional structural schematic diagram of an ore grinding and screening device of the present utility model;

[0017] Figure 2 Shown is a three-dimensional structural schematic diagram of the box body component of an ore grinding and screening device of the present utility model;

[0018] Figure 3 The figure shows a three-dimensional structural schematic diagram of a crushing component of an ore grinding and screening device of the present utility model;

[0019] Figure 4 The figure shows a three-dimensional structural schematic diagram of a grinding component of an ore grinding and screening device of the present utility model;

[0020] Explanation of reference numerals: 1, feed bin; 2, box body assembly; 3, crushing component; 4, grinding component; 5, screening component; 6, transportation component; 7, collection component; 201, outer box body; 202, support column; 203, anti-slip pad; 301, crushing motor; 302, crushing rotating shaft; 303, crushing roller; 304, transportation inclined plate; 401, grinding motor; 402, grinding rotating shaft; 403, grinding block; 404, grinding bin; 501, screening branch plate; 502, vibration motor; 503, buffer spring; 504, vibration sieve frame; 601, transportation bin; 602, transportation motor; 603, transportation rotating shaft; 604, transportation auger; 701, chute; 702, collection box; 703, collection handle. Specific embodiments

[0021] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0022] Please refer to Figure 1 , the present utility model provides an embodiment: an ore grinding and screening device, including a feed bin 1, a box body assembly 2, a crushing component 3, a grinding component 4, a screening component 5, a transportation component 6 and a collection component 7; the bottom surface of the feed bin 1 is provided with the box body assembly 2, the inside of the box body assembly 2 is provided with the crushing component 3, the inside of the box body assembly 2 is provided with the grinding component 4, the inside of the box body assembly 2 is provided with the screening component 5, the side surface of the box body assembly 2 is provided with the transportation component 6, the inner top surface of the box body assembly 2 is provided with the collection component 7, the box body assembly 2 can provide a supporting function for the entire device, and the ore is crushed and ground inside the box body assembly 2, which can reduce the dust flying. The crushing component 3 can crush the ore to facilitate subsequent grinding treatment. The grinding component 4 can grind the crushed ore into smaller ore particles. The screening component 5 can screen the ground ore particles and screen out the unqualified large ore. The transportation component 6 can transport the unqualified ore after screening to the grinding component 4 for grinding again. The collection component 7 can collect the ground ore particles.

[0023] Please refer to Figures 2 - 4, in this embodiment, the box assembly 2 includes an outer box 201, support columns 202 and anti-slip pads 203; the bottom surface of the feed bin 1 is provided with the outer box 201, the bottom surface of the outer box 201 is provided with the support columns 202, there are four groups of support columns 202, and the bottom surface of the support columns 202 is provided with the anti-slip pads 203. The support columns 202 are used to support the outer box 201, and the anti-slip pads 203 are used to prevent the device from shifting and sliding during operation. The crushing assembly 3 includes a crushing motor 301, a crushing rotating shaft 302, crushing rollers 303 and a transport inclined plate 304; the side surface of the outer box 201 is provided with the crushing motor 301, there are two groups of crushing motors 301, the output end of the crushing motor 301 is provided with the crushing rotating shaft 302, the outer side of the crushing rotating shaft 302 is provided with the crushing rollers 303, and the inner side of the outer box 201 is provided with the transport inclined plate 304. The crushing motor 301 is used to drive the crushing rotating shaft 302 to rotate, and by driving the two groups of crushing rollers 303 to rotate towards each other, the ore is crushed. The crushed ore enters the grinding bin 404 through the transport inclined plate 304 for grinding treatment. The grinding assembly 4 includes a grinding motor 401, a grinding rotating shaft 402, grinding blocks 403 and a grinding bin 404; the top surface of the outer box 201 is provided with the grinding motor 401, the output end of the grinding motor 401 is provided with the grinding rotating shaft 402, the bottom surface of the grinding rotating shaft 402 is provided with the grinding blocks 403, and the inner side of the outer box 201 is provided with the grinding bin 404. The grinding motor 401 is used to drive the grinding rotating shaft 402 to rotate, and by driving the grinding blocks 403 to rotate in the grinding bin 404, the crushed ore is ground into smaller ore particles.

[0024] The screening assembly 5 includes a screening branch plate 501, a vibration motor 502, a buffer spring 503 and a vibrating screen frame 504; the screening branch plate 501 is arranged on the inner side of the outer box body 201, the vibration motor 502 is arranged on the top surface of a group of screening branch plates 501, the buffer spring 503 is arranged on the top surface of the other group of screening branch plates 501, multiple groups of buffer springs 503 are provided, the vibrating screen frame 504 is arranged on the top surface of the buffer spring 503, the vibrating screen frame 504 is arranged on the top surface of the vibration motor 502, the ground ore particles enter the vibrating screen frame 504 for screening, the vibration motor 502 is used to drive the vibrating screen frame 504 to vibrate up and down, so that the qualified ore particles pass through the vibrating screen frame 504 and enter the collection box 702 for collection, the unqualified ore is transported to the transport bin 601 through the vibrating screen frame 504, and the elastic force of the buffer spring 503 provides buffering for the other end of the vibrating screen frame 504 to prevent the amplitude of the vibration of the vibrating screen frame 504 from being too large. The qualified ore particles pass through the vibrating screen frame 504. The transport assembly 6 includes a transport bin 601, a transport motor 602, a transport rotating shaft 603 and a transport auger 604; the transport bin 601 is arranged on the side surface of the outer box body 201, the transport motor 602 is arranged on the bottom surface of the transport bin 601, the output end of the transport motor 602 is provided with the transport rotating shaft 603, and the transport auger 604 is arranged on the outer side of the transport rotating shaft 603. The transport motor 602 is used to drive the transport rotating shaft 603 to rotate, so that the screened ore blocks in the transport bin 601 re-enter the grinding bin 404 through the transport inclined plate 304 for grinding. The collection assembly 7 includes a chute 701, a collection box 702 and a collection handle 703; the chute 701 is opened on the inner top surface of the outer box body 201, two groups of chutes 701 are opened, the collection box 702 is arranged on the top surface of the chute 701, and the collection handle 703 is arranged on the side surface of the collection box 702. The collection handle 703 is used to pull the collection box 702 to slide in the chute 701, and the collection box 702 is taken out of the outer box body 201 to facilitate the subsequent treatment of the ground ore particles.

[0025] When working, ore raw materials are added into the device through the feed bin 1. The crushing motor 301 is used to drive the crushing rotating shaft 302 to rotate, and by driving the two crushing rollers 303 to rotate towards each other, the ore is crushed. The crushed ore enters the grinding bin 404 through the transport inclined plate 304 for grinding.

[0026] The grinding motor 401 is used to drive the grinding rotating shaft 402 to rotate, and by driving the grinding blocks 403 to rotate in the grinding bin 404, the crushed ore is ground into smaller ore particles.

[0027] The ground ore particles enter the vibrating screen frame 504 for screening. The vibrating motor 502 drives the vibrating screen frame 504 to vibrate up and down, enabling the qualified ore particles to pass through the vibrating screen frame 504 and enter the collection box 702 for collection. The elastic force of the buffer spring 503 provides buffering for the other end of the vibrating screen frame 504 to prevent the vibrating amplitude of the vibrating screen frame 504 from being too large. The qualified ore particles pass through the vibrating screen frame 504;

[0028] The unqualified ore is transported to the transport bin 601 through the vibrating screen frame 504. The transport motor 602 drives the transport rotating shaft 603 to rotate, and then the screened ore lumps in the transport bin 601 are re-entered into the grinding bin 404 through the transport auger 604 and the transport inclined plate 304 for grinding;

[0029] The collection handle 703 is used to pull the collection box 702 to slide in the chute 701, and the collection box 702 is taken out of the outer box body 201 to facilitate the subsequent treatment of the ground ore particles.

[0030] Through the above steps, the box body assembly 2 provides a supporting role for the entire device. The ore is crushed and ground inside the box body assembly 2 to reduce dust flying. The ore is crushed by the crushing assembly 3 to facilitate subsequent grinding treatment. Then, the ground ore is ground into smaller ore particles by the grinding assembly 4. The ground ore particles are screened by the screening assembly 5, and the unqualified large ore lumps are selected. Then, the unqualified ore after screening is transported to the grinding assembly 4 by the transport assembly 6 for grinding again, and the ground ore particles are collected by the collection assembly 7.

[0031] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the gist of the present invention.

Claims

1. An ore grinding and screening device, comprising a feed bin (1); characterized in that: The invention also comprises a box assembly (2), a crushing assembly (3), a grinding assembly (4), a screening assembly (5), a transport assembly (6) and a collection assembly (7); the box assembly (2) is arranged on the bottom surface of the feed bin (1), the crushing assembly (3) is arranged on the inner side of the box assembly (2), the grinding assembly (4) is arranged on the inner side of the box assembly (2), the screening assembly (5) is arranged on the inner side of the box assembly (2), the transport assembly (6) is arranged on the side surface of the box assembly (2), and the collection assembly (7) is arranged on the inner top surface of the box assembly (2).

2. The ore grinding and screening device according to claim 1, characterized in that: The box assembly (2) comprises an outer box (201), support columns (202) and an anti-skid pad (203); the outer box (201) is arranged on the bottom surface of the feed bin (1), the support columns (202) are arranged on the bottom surface of the outer box (201), four groups of support columns (202) are arranged, and the anti-skid pad (203) is arranged on the bottom surface of the support columns (202).

3. The ore grinding and screening device according to claim 2, characterized in that: The pulverizing assembly (3) comprises a pulverizing motor (301), a pulverizing shaft (302), a pulverizing roller (303) and a transport inclined plate (304); the pulverizing motor (301) is arranged on the side of the outer box (201), the pulverizing motor (301) is arranged in two groups, the output end of the pulverizing motor (301) is arranged with a pulverizing shaft (302), the outer side of the pulverizing shaft (302) is arranged with a pulverizing roller (303), and the inner side of the outer box (201) is arranged with a transport inclined plate (304).

4. The ore grinding and screening device according to claim 2, characterized in that: The grinding assembly (4) comprises a grinding motor (401), a grinding shaft (402), a grinding block (403) and a grinding chamber (404); the grinding motor (401) is arranged on the top surface of the outer box (201), the grinding shaft (402) is arranged at the output end of the grinding motor (401), the grinding block (403) is arranged on the bottom surface of the grinding shaft (402), and the grinding chamber (404) is arranged on the inner side of the outer box (201).

5. The ore grinding and screening device according to claim 2, characterized in that: The screening assembly (5) comprises screening branch plates (501), a vibration motor (502), a buffer spring (503) and a vibration screen frame (504); the screening branch plates (501) are arranged on the inner side of the outer box body (201); the top surface of one group of screening branch plates (501) is arranged with a vibration motor (502); the top surface of another group of screening branch plates (501) is arranged with a buffer spring (503); a plurality of groups of buffer springs (503) are arranged; the top surface of the buffer springs (503) is arranged with a vibration screen frame (504); and the vibration screen frame (504) is arranged on the top surface of the vibration motor (502).

6. The ore grinding and screening device according to claim 2, characterized in that: The transport component (6) comprises a transport bin (601), a transport motor (602), a transport shaft (603) and a transport auger (604); the transport bin (601) is arranged on the side of the outer box (201), the transport motor (602) is arranged on the bottom of the transport bin (601), the output end of the transport motor (602) is arranged with a transport shaft (603), and the outer side of the transport shaft (603) is arranged with a transport auger (604).

7. The ore grinding and screening device according to claim 2, characterized in that: The collecting assembly (7) comprises a slide groove (701), a collecting box (702) and a collecting handle (703); the inner top surface of the outer box body (201) is provided with a slide groove (701), two groups of slide grooves (701) are provided, the top surface of the slide groove (701) is provided with a collecting box (702), and the side surface of the collecting box (702) is provided with a collecting handle (703).