Rock ore coarse and fine material screening equipment

By designing a screening equipment for coarse and fine rock and ore materials, the problems of uneven rock and ore distribution and dust pollution were solved, achieving efficient screening and environmental protection.

CN224025677UActive Publication Date: 2026-03-24JIANGXI RAOFENG BUILDING MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Traditional rock and mineral screening equipment suffers from uneven rock and mineral distribution, lack of leveling devices, and severe dust pollution, which affects screening efficiency and working environment.

Method used

A screening device for coarse and fine rock minerals was designed, comprising a screen box, support legs, springs, a large filter screen, a small filter screen, a vibrator, a feeding mechanism, a smoothing mechanism, and a dust removal mechanism. By slowly feeding materials, smoothing and dust suppression, the device ensures uniform distribution and reduces dust pollution.

Benefits of technology

It achieves uniform distribution and efficient screening of rock and ore, improves screening efficiency, reduces dust pollution, protects the health of operators, and extends the service life of equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of mineral processing engineering, in particular to rock ore coarse and fine material screening equipment. The utility model provides rock ore coarse and fine material screening equipment which comprises a screening box, supporting legs, springs and the like, the lower portion outside the screening box is slidably connected with the supporting legs which are symmetrical front and back and left and right, and the springs which are symmetrical left and right are connected between each supporting leg and the screening box. Rock ore is slowly fed through the feeding pipe, it is ensured that materials stably enter the screen box, the shaping roller is introduced and driven by the motor to move clockwise, the rock ore entering the screen box is smoothed, the problem that the materials are distributed unevenly in the screening process is effectively solved through the design, and it is ensured that the vibrating screen can give full play to the screening function of the vibrating screen. And meanwhile, the air extractor extracts dust generated in the screening process through the three-way pipe and guides the dust into the water tank for dust falling treatment, dust pollution in the working environment is remarkably reduced, and the health of operators is protected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mineral processing engineering field especially relates to a rock and ore coarse and fine material screening equipment. BACKGROUND

[0002] In the mineral processing process, after large rocks or ores are broken into smaller particles, they need to be classified and processed according to particle size. The traditional screening method mainly makes the materials jump on the screen surface through mechanical vibration, thereby realizing the separation of rocks and ores of different particle sizes.

[0003] However, the traditional rock and ore screening operation has significant shortcomings. Usually, the excavator directly pours the rock and ore into the screen box, which is difficult to control the landing point and speed, resulting in uneven distribution of rock and ore. This unevenness affects the screening efficiency, some areas are overloaded while others are idle, reducing the overall effect. In addition, the traditional equipment lacks a material flattening device, which cannot evenly distribute the rock and ore, affecting the working efficiency of the vibrating screen. More importantly, the large amount of dust generated during the screening process not only harms the health of workers and increases the risk of respiratory diseases, but also accelerates the wear and tear of the equipment and reduces the reliability of the electrical system.

[0004] Therefore, there is an urgent need for a rock and ore coarse and fine material screening equipment that can ensure uniform distribution of rock and ore, improve screening efficiency, and effectively improve the working environment to solve the above problems. SUMMARY

[0005] In order to overcome the shortcomings of uneven distribution of rock and ore, lack of flattening device and serious dust pollution, the utility model provides a rock and ore coarse and fine material screening equipment.

[0006] The utility model discloses a rock and ore coarse and fine material screening equipment, including screen box, support foot, spring, big filter screen, small filter screen, vibrating machine, feeding mechanism, flattening mechanism and dust removal mechanism, the lower part of screen box outside is connected with the support foot that is symmetrical left and right in front and back, the spring that is symmetrical left and right is connected between every support foot and screen box, the upper part in screen box is fixedly connected with big filter screen, the lower part in screen box is fixedly connected with small filter screen, the upper part of big filter screen is equipped with first export, between big filter screen and small filter screen is equipped with second export, the lower part of small filter screen is equipped with third export, the upper part in screen box is fixedly connected with vibrating machine, and vibrating machine is located on the upper part of big filter screen, and the left side of screen box top is equipped with feeding mechanism, and the upper part in screen box is equipped with flattening mechanism, and the left part outside screen box is equipped with dust removal mechanism.

[0007] Further, the feeding mechanism includes a feed pipe, a motor and a rotating block, the left side of the top of the screen box is fixedly connected with the feed pipe, the front side wall of the feed pipe is fixedly connected with the motor, the coupling of the motor is fixedly connected with the rotating block, and the rotating block is located in the interior of the feed pipe.

[0008] Further, the smoothing mechanism comprises a pulley assembly and a shaping roller, the pulley assembly is mounted on the front side in the screen box, the power is transmitted between the shaft coupling of the motor and the pulley assembly through a transmission belt, the shaping roller is connected to the belt of the pulley assembly, and the rear end of the shaping roller abuts against the inner wall of the screen box.

[0009] Further, the dust removal mechanism comprises a three-way pipe, an air extractor and a water pipe, the three-way pipe is fixedly connected to the left part of the screen box, the air extractor is fixedly connected to the left part of the screen box, the air extractor is fixedly connected to the rear end of the three-way pipe, and the water pipe is fixedly connected to the rear part of the air extractor.

[0010] Further, the screen hopper is further connected to the right side walls of the large filter screen and the small filter screen.

[0011] Further, the connecting plates are fixedly connected between the front side supporting feet and the rear side supporting feet and between the left side supporting feet and the right side supporting feet.

[0012] It can be known from the above description of the structure of the utility model that the design starting point, concept and advantages of the utility model are: 1. The utility model slowly feeds the rock ore through the feeding pipe, ensures that the materials enter the screen box stably, introduces the shaping roller, and moves clockwise under the drive of the motor, so that the rock ore entering the screen box is smoothed, which effectively solves the problem of uneven distribution of materials in the process of classification screening, and ensures that the vibrating screen can fully play its screening role. Meanwhile, the air extractor extracts the dust generated in the process of classification screening through the three-way pipe, and guides the dust into the water tank for dust removal treatment, which significantly reduces the dust pollution in the working environment and protects the health of the operators.

[0013] 2. The utility model makes the screen box vibrate up and down through the vibrating machine, the supporting feet and the springs provide the cushioning effect, reduce the impact of vibration on the equipment itself, ensure the stable operation of the equipment, and prolong the service life.

[0014] 3. In the case that the rock ore is evenly distributed, the fine particles can pass through the large filter screen and the small filter screen more smoothly, efficient and accurate classification is realized, and the problem of low screening efficiency caused by material accumulation or overload is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the three-dimensional structure of the utility model.

[0016] Figure 2 It is a schematic view of the three-dimensional structure of the screen box, the supporting feet and the springs and other components of the utility model.

[0017] Figure 3 It is a schematic view of the three-dimensional cross-sectional structure of the screen box and the supporting feet of the utility model.

[0018] Figure 4 It is a schematic view of the three-dimensional cross-sectional structure of the feeding pipe of the utility model.

[0019] Figure 5 It is the three-dimensional structure schematic view of motor, rotating block and pulley assembly and other components of the utility model.

[0020] Figure 6 It is the three-dimensional structure schematic view of screen box of the utility model.

[0021] Figure 7 It is the three-dimensional structure schematic view of screen box, supporting leg and spring and other components of the utility model.

[0022] The names and serial numbers of parts in the figure are as follows: 1, screen box, 101, first outlet, 102, second outlet, 103, third outlet, 2, supporting leg, 3, spring, 4, large filter screen, 5, small filter screen, 6, vibrating machine, 7, feeding pipe, 8, motor, 9, rotating block, 10, pulley assembly, 11, shaping roller, 12, tee pipe, 13, air extractor, 14, water pipe, 15, screen hopper. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model will be further described below with reference to the drawings.

[0024] Embodiment: A kind of coarse and fine aggregate of rock and mineral screening equipment, as shown in Figures 1-7 It includes screen box 1, supporting leg 2, spring 3, large filter screen 4, small filter screen 5, vibrating machine 6, screen hopper 15, feeding mechanism, flattening mechanism and dust removal mechanism, the lower part of screen box 1 is slidably connected with front and rear and left and right symmetrical supporting leg 2, connecting plate is welded between front supporting leg 2 and rear supporting leg 2 and between left supporting leg 2 and right supporting leg 2, to enhance the structural stability of the whole equipment, left and right symmetrical spring 3 is connected between each supporting leg 2 and screen box 1, to provide stable damping effect, large filter screen 4 is bolted to the upper part of screen box 1, to preliminarily separate larger particle rock and mineral, small filter screen 5 is bolted to the lower part of screen box 1, to further separate small particle rock and mineral, first outlet 101 is arranged on the upper part of large filter screen 4, to discharge rock and mineral larger than the aperture of large filter screen 4, second outlet 102 is arranged between large filter screen 4 and small filter screen 5, to discharge rock and mineral between the apertures of the two, third outlet 103 is arranged on the lower part of small filter screen 5, to discharge rock and mineral of minimum particle size, vibrating machine 6 is fixedly connected to the upper part of screen box 1, and vibrating machine 6 is located on the upper part of large filter screen 4, screen hopper 15 is welded to the right side wall of large filter screen 4 and the right side wall of small filter screen 5, to facilitate collection and discharge of separated rock and mineral, feeding mechanism is arranged on the left side of the top of screen box 1, flattening mechanism is arranged on the upper part of screen box 1, and dust removal mechanism is arranged on the left part of screen box 1.

[0025] As Figure 1 , Figure 4 and Figure 5As shown, the feeding mechanism includes a feeding pipe 7, a motor 8 and a rotating block 9, the feeding pipe 7 is bolted to the left side of the top of the sieve box 1, the motor 8 is fixedly connected to the front side wall of the feeding pipe 7, the rotating block 9 is welded to the coupling of the motor 8 and located inside the feeding pipe 7, for controlling the speed and direction of the rock and ore entering the sieve box 1.

[0026] As shown in Figure 4 and Figure 5 The smoothing mechanism includes a belt pulley assembly 10 and a shaping roller 11, the belt pulley assembly 10 is installed in the front side of the sieve box 1, the coupling of the motor 8 and the belt pulley assembly 10 are connected by a transmission belt to transmit power, the shaping roller 11 is connected to the belt of the belt pulley assembly 10 to improve the screening efficiency, and the rear end of the shaping roller 11 abuts against the inner wall of the sieve box 1.

[0027] As shown in Figure 1 and Figure 6 The dust removal mechanism includes a three-way pipe 12, an air extractor 13 and a water pipe 14, the three-way pipe 12 is bonded to the left part of the sieve box 1, the air extractor 13 is fixedly connected to the left part of the sieve box 1, the air extractor 13 is bonded to the rear end of the three-way pipe 12, and the water pipe 14 is bonded to the rear part of the air extractor 13 to reduce dust pollution in the working environment.

[0028] When the rock and ore needs to be screened according to the size, first start the vibration machine 6, the motor 8 and the air extractor 13, the vibration machine 6 runs to make the sieve box 1 vibrate up and down, the support feet 2 and the springs 3 provide a cushioning effect to ensure the stable operation of the equipment, the coupling of the motor 8 drives the rotating block 9 to rotate, the lower end of the water pipe 14 is connected to a water tank, the rock and ore is slowly sent to the large filter screen 4 through the feeding pipe 7, at the same time, the belt pulley assembly 10 drives the shaping roller 11 to move, the shaping roller 11 moves clockwise to smooth the rock and ore to better screen, at this time, the sieve box 1 is in a vibrating state, the fine particles in the rock and ore fall into the small filter screen 5 through the large filter screen 4, and the finest particles fall into the lower part of the sieve box 1 from the small filter screen 5, since the sieve box 1 is designed to be slightly inclined, the coarse rock and ore, the slightly fine rock and ore and the fine rock and ore will slide to the corresponding outlets in turn: the coarse rock and ore slides into the upper side sieve hopper 15 through the first outlet 101 and is discharged, the slightly fine rock and ore slides into the lower side sieve hopper 15 through the second outlet 102 and is discharged, and the fine rock and ore directly slides out of the bottom of the sieve box 1 through the third outlet 103, in addition, the air extractor 13 extracts the dust generated in the sieve box 1 during the screening process through the three-way pipe 12, the dust then enters the water tank along the water pipe 14 to realize dust removal treatment to reduce dust pollution in the working environment and protect the health of the operators.

[0029] The above only describes the preferred embodiments of the present application, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements should also be regarded as the protection scope of the present application.

Claims

1. A rock and mineral coarse and fine material screening device, characterized by, The utility model provides a kind of screening machine, including sieve box (1), support leg (2), spring (3), big filter screen (4), small filter screen (5), vibrating machine (6), feeding mechanism, smoothing mechanism and dust removal mechanism, sieve box (1) is slidably connected with front and rear left and right symmetrical support leg (2) outside lower part, left and right symmetrical spring (3) is connected between each support leg (2) and sieve box (1), big filter screen (4) is fixedly connected in sieve box (1) upper part, small filter screen (5) is fixedly connected in sieve box (1) lower part, first outlet (101) is equipped in the upper portion of big filter screen (4), second outlet (102) is equipped between big filter screen (4) and small filter screen (5), third outlet (103) is equipped in the lower portion of small filter screen (5), vibrating machine (6) is fixedly connected in sieve box (1) upper part, vibrating machine (6) is located in the upper portion of big filter screen (4), feeding mechanism is equipped in the left side of sieve box (1) top, smoothing mechanism is equipped in sieve box (1) upper part, dust removal mechanism is equipped in the left part outside sieve box (1).

2. A rock mineral coarse and fine material separating device according to claim 1, characterized in that, Feeding mechanism includes feed pipe (7), motor (8) and rotating block (9), feed pipe (7) is fixedly connected in the left side of sieve box (1) top, motor (8) is fixedly connected on the front side wall of feed pipe (7), rotating block (9) is fixedly connected on the shaft coupling of motor (8), and rotating block (9) is located in the inside of feed pipe (7).

3. A rock mineral coarse and fine material sizing device as claimed in claim 2, characterized in that, Smoothing mechanism includes pulley assembly (10) and shaping roller (11), pulley assembly (10) is installed in the front side in sieve box (1), power is transmitted between the shaft coupling of motor (8) and pulley assembly (10) through transmission belt, shaping roller (11) is connected on the belt of pulley assembly (10), and the rear end of shaping roller (11) is in abutment with the inner wall of sieve box (1).

4. A rock mineral coarse and fine material separating device as claimed in claim 3, characterized in that, Dust removal mechanism includes tee (12), air extractor (13) and water pipe (14), tee (12) is fixedly connected in the left part of sieve box (1), air extractor (13) is fixedly connected in the left part of sieve box (1), air extractor (13) is fixedly connected with the rear end of tee (12), and water pipe (14) is fixedly connected in the rear part of air extractor (13).

5. A rock mineral coarse and fine material sizing device as claimed in claim 4, wherein, It also includes sieve hopper (15), and sieve hopper (15) is fixedly connected with the right side wall of big filter screen (4) and the right side wall of small filter screen (5).

6. A rock mineral coarse and fine material sizing device as claimed in claim 5, characterized in that, Connecting plate is fixedly connected between front side support leg (2) and rear side support leg (2) and between left side support leg (2) and right side support leg (2).