Rock particle multi-stage screening device

By incorporating drying and cleaning mechanisms into a multi-stage rock particle screening device, the problem of clumping during screening of claystone and mudstone is solved, achieving efficient screening and low-cost maintenance.

CN224025654UActive Publication Date: 2026-03-24SHANXI JINHENGYUAN GEOTECHNICAL ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing multi-stage screening machines often experience reduced screening efficiency when screening claystone and mudstone due to the high moisture content and viscosity of the materials, which easily lead to the formation of clumps.

Method used

A multi-stage screening device for rock particles was designed, comprising a drying mechanism and a cleaning mechanism. The drying mechanism dries the material using a fan and a heating chamber, while the cleaning mechanism removes material adhering to the screen mesh using brushes and threaded rods to ensure unobstructed screen openings.

Benefits of technology

It effectively prevents material clumping, improves screening efficiency, reduces maintenance costs, and enhances production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of screening, and particularly relates to a rock particle multi-stage screening device which comprises a screening machine, a drying mechanism is arranged on the inner wall of a feeding pipe, a cleaning mechanism is arranged on the inner wall of the screening machine, the drying mechanism comprises a fan, the fan is fixedly connected to the top of the screening machine, and the cleaning mechanism is arranged on the inner wall of the screening machine. The top of the screening machine is fixedly connected with a heating box, the inner wall of the heating box is fixedly connected with an electric heating wire, one end of the flow dividing pipe fixedly communicates with a spray head, the cleaning mechanism comprises a motor, the motor is arranged on one side of the screening machine, and the output end of the motor is fixedly connected with a transmission rod. The inner wall of the screening machine is rotationally connected with a threaded rod. The drying mechanism is arranged, the speed of materials in the feeding pipe is reduced through the multiple flow guide plates, the contact time of the materials and hot air is prolonged, meanwhile, it is ensured that the materials are evenly heated, and the situation that the wet materials are caked during screening is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the screening field, concretely is a kind of rock particle multistage screening device. BACKGROUND

[0002] Rock particle multistage screening device is a kind of mechanical equipment for classifying rock particles after crushing according to size, which usually contains a series of screens with different aperture, by vibration, shaking or other ways to make rock particles move on the screen surface, so that the particles smaller than the size of screen hole can pass through the screen, while the particles larger than the size of screen hole are left on the screen surface, to achieve the purpose of separation according to particle size.

[0003] Some rocks, such as clay rock and mudstone, contain minerals with strong water absorption, which are easy to absorb water and form a sticky layer. When the material has high humidity and viscosity, the adhesion between the materials increases, and the particles are more likely to aggregate to form larger clumps when screened by the existing partial multi-stage screening machine. These clumps are difficult to pass through the screen, which can easily lead to a decrease in screening efficiency. SUMMARY

[0004] To make up for the shortcomings of the prior art, some rocks, such as clay rock and mudstone, contain minerals with strong water absorption, which are easy to absorb water and form a sticky layer. When the material has high humidity and viscosity, the adhesion between the materials increases, and the particles are more likely to aggregate to form larger clumps when screened by the existing partial multi-stage screening machine. These clumps are difficult to pass through the screen, which can easily lead to a decrease in screening efficiency.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a rock particle multistage screening device, comprising a screening machine, a feed pipe is fixedly connected to the top of the screening machine, a screening plate is arranged on the inner wall of the screening machine, the number of screening plates is three, a drying mechanism is arranged on the inner wall of the feed pipe, a cleaning mechanism is arranged on the inner wall of the screening machine.

[0006] The drying mechanism comprises a fan, the fan is fixedly connected to the top of the screening machine, a heating box is fixedly connected to the top of the screening machine, the heating box is arranged on one side of the fan, an electric heating wire is fixedly connected to the inner wall of the heating box, a communication pipe is arranged on the surface of the feed pipe, a shunt pipe is fixedly connected to the surface of the communication pipe, the number of shunt pipes is several, the shunt pipe penetrates the inner wall of the feed pipe, a spray head is fixedly connected to one end of the shunt pipe, a guide plate is fixedly connected to the inner wall of the feed pipe, the number of guide plates is three.

[0007] The cleaning mechanism comprises a motor, the motor is arranged on one side of the screening machine, the output end of the motor is fixedly connected with a transmission rod, the number of the transmission rods is three, the transmission rods are all penetrated to the inner wall of the screening machine and are rotationally connected to the inner wall of the screening machine, the inner wall of the screening machine is rotationally connected with threaded rods, the number of the threaded rods is three, one end of the threaded rods is fixedly connected with one end of the transmission rods respectively, the bottom of the screening plate is provided with a brush, the bottom of the brush is fixedly connected with a moving block, the number of the moving blocks is three, and the threaded rods are in threaded connection with the inner wall of one of the moving blocks.

[0008] As preferred, the top of the screening machine is fixedly connected with a first support frame, the fan is fixedly connected to the top of the screening machine through the first support frame, and one side of the screening machine is fixedly connected with a second support frame.

[0009] As preferred, the two sides of the feeding pipe are fixedly connected with fixed blocks, the communication pipe is fixedly connected to the inner wall of the fixed blocks, and the inner wall of the feeding pipe is provided with holes.

[0010] As preferred, the output end of the fan is fixedly connected with a first telescopic pipe, one end of the first telescopic pipe is fixedly connected with one side of the heating box, one side of the communication pipe is fixedly connected with a second telescopic pipe, and one end of the second telescopic pipe is fixedly connected with the other side of the heating box.

[0011] As preferred, the inner wall of the screening machine is fixedly connected with slide rods, the number of the slide rods is six, every two slide rods form a group, and the other two moving blocks are slidingly connected to the surfaces of the slide rods in the group.

[0012] As preferred, the surfaces of the three transmission rods are all fixedly provided with synchronous wheels, the number of the synchronous wheels is four, every two synchronous wheels form a group, and the surfaces of the synchronous wheels in each group are rotationally provided with synchronous belts.

[0013] As preferred, the inner wall of the second support frame is provided with a groove, and one of the synchronous belts is penetrated to the inner wall of the groove.

[0014] The utility model discloses a screening machine and cleaning mechanism thereof, which have the advantages that:

[0015] 1. The utility model discloses a drying mechanism is set up, utilizes a plurality of deflector to slow down the speed of material in the feeding pipe, and then the moisture on the surface of material is dried through hot air, the deflector is staggered arrangement, increases the time of material and hot air contact, simultaneously ensures that material is evenly heated, avoids the situation that the damp material appears to form a group when screening, improves screening effect.

[0016] 2. The utility model discloses a cleaning mechanism is set up, utilize the reciprocating movement of brush, can effectively remove the fine particle and sticky material that adhere on screen, ensure that the screen hole is unobstructed, reduce manual intervention, reduce maintenance cost, promote overall production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0018] Figure 1 It is the overall structure schematic diagram of the utility model;

[0019] Figure 2 It is the local structure schematic diagram of the drying mechanism of the utility model;

[0020] Figure 3 It is the local structure schematic diagram of the guide plate of the utility model;

[0021] Figure 4 It is the local structure schematic diagram of the cleaning mechanism of the utility model;

[0022] Figure 5 It is the local structure schematic diagram of the brush of the utility model;

[0023] Figure 6 It is the local structure schematic diagram of the synchronous wheel and synchronous belt of the utility model.

[0024] In the drawing: 1, screening machine;2, feed pipe;3, drying mechanism;301, fan;302, heating box;303, heating wire;304, communication pipe;305, spray head;306, guide plate;307, shunt pipe;4, cleaning mechanism;401, motor;402, transmission rod;403, brush;404, moving block;405, threaded rod;5, screening plate;6, first support frame;7, fixed block;8, hole;9, second support frame;10, recess;11, synchronous wheel;12, synchronous belt;13, first telescopic pipe;14, second telescopic pipe;15, sliding rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present application.

[0026] The following will be described with reference to the drawings of the embodiments of the present application. Figures 1-6 The present application will be further described in detail,

[0027] The embodiments of the present application disclose a rock particle multi-stage screening device. Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 A rock particle multi-stage screening device, comprising a screening machine 1, a feeding pipe 2 is fixedly connected in communication with the top of the screening machine 1, a screening plate 5 is arranged on the inner wall of the screening machine 1, the number of the screening plate 5 is three, a drying mechanism 3 is arranged on the inner wall of the feeding pipe 2, and a cleaning mechanism 4 is arranged on the inner wall of the screening machine 1.

[0028] The drying mechanism 3 comprises a fan 301, the fan 301 is fixedly connected to the top of the screening machine 1, a heating box 302 is fixedly connected to the top of the screening machine 1, the heating box 302 is arranged on one side of the fan 301, an electric heating wire 303 is fixedly connected to the inner wall of the heating box 302, a communicating pipe 304 is arranged on the surface of the feeding pipe 2, a plurality of shunt pipes 307 are fixedly connected in communication on the surface of the communicating pipe 304, the number of the shunt pipes 307 is several, the shunt pipes 307 penetrate the inner wall of the feeding pipe 2, a nozzle 305 is fixedly connected to one end of the shunt pipe 307, a flow guide plate 306 is fixedly connected to the inner wall of the feeding pipe 2, the number of the flow guide plate 306 is three, by arranging the drying mechanism 3, the speed of the material in the feeding pipe 2 is slowed down by the plurality of flow guide plates 306, then the moisture on the surface of the material is dried by hot air, the flow guide plates 306 are staggered, the time of the material contacting the hot air is increased, and meanwhile the material is uniformly heated, and the screening effect is improved.

[0029] The cleaning mechanism 4 comprises a motor 401 provided on one side of the screening machine 1, the output end of the motor 401 is fixedly connected with a transmission rod 402, the number of the transmission rod 402 is three, the three transmission rods 402 all penetrate to the inner wall of the screening machine 1 and are rotationally connected to the inner wall of the screening machine 1, the inner wall of the screening machine 1 is rotationally connected with a threaded rod 405, the number of the threaded rod 405 is three, one end of the three threaded rods 405 is fixedly connected with one end of the three transmission rods 402, the bottom of the screening plate 5 is provided with a brush 403, the bottom of the brush 403 is fixedly connected with a moving block 404, the number of the moving block 404 is three, the threaded rod 405 is threadedly connected with the inner wall of one of the moving blocks 404, by arranging the cleaning mechanism 4, the reciprocating movement of the brush 403 can effectively remove the small particles and sticky substances adhered to the screen, ensure the smoothness of the screen hole, reduce manual intervention, reduce maintenance cost and improve overall production efficiency.

[0030] With reference to Figure 1 And Figure 6 , the top of the screening machine 1 is fixedly connected with a first support frame 6, the fan 301 is fixedly connected to the top of the screening machine 1 through the first support frame 6, one side of the screening machine 1 is fixedly connected with a second support frame 9, the motor 401 is fixedly connected to one side of the screening machine 1 through the second support frame 9, by arranging the first support frame 6 and the second support frame 9, the fan 301 and the motor 401 can be fixed and supported, and the stability and safety of the fan 301 and the motor 401 during operation can be ensured.

[0031] With reference to Figure 3 Both sides of the feeding pipe 2 are fixedly connected with a fixed block 7, the communication pipe 304 is fixedly connected to the inner wall of the fixed block 7, the inner wall of the feeding pipe 2 is provided with a hole 8, the number of the hole 8 is several, by arranging the fixed block 7, the communication pipe 304 can be fixed and supported, and deviation of the communication pipe 304 can be prevented, the hole 8 can provide space for the nozzle 305, and damage to the nozzle 305 caused by material entering the feeding pipe 2 can be prevented.

[0032] With reference to Figure 2 The output end of the fan 301 is fixedly connected with a first telescopic pipe 13, one end of the first telescopic pipe 13 is fixedly connected with one side of the heating box 302, one side of the communication pipe 304 is fixedly connected with a second telescopic pipe 14, one end of the second telescopic pipe 14 is fixedly connected with the other side of the heating box 302, by arranging the first telescopic pipe 13 and the second telescopic pipe 14, the telescopic performance is provided, the stability and sealing performance of gas flow during operation of the screening machine 1 can be ensured, and smooth flow of gas can be ensured.

[0033] With reference to Figure 5The inner wall of the screening machine 1 is fixedly connected with slide rods 15, the number of the slide rods 15 is six, every two slide rods 15 form a group, and the other two moving blocks 404 are respectively slidably connected to the surface of a group of slide rods 15, by arranging the slide rods 15, the brush 403 can be guided, the stability of the brush 403 during movement is ensured, and the brush 403 is prevented from deviating during reciprocating movement;

[0034] With reference to Figure 6 The surfaces of the three transmission rods 402 are fixedly sleeved with synchronous wheels 11, the number of the synchronous wheels 11 is four, every two synchronous wheels 11 form a group, and the surfaces of each group of synchronous wheels 11 are rotatably sleeved with synchronous belts 12, by arranging the synchronous wheels 11 and the synchronous belts 12, the motor 401 can synchronously drive the three transmission rods 402, the power is evenly distributed, and synchronous rotation of the three transmission rods 402 is realized;

[0035] With reference to Figure 6 The inner wall of the second support frame 9 is provided with a groove 10, and one of the synchronous belts 12 penetrates through the inner wall of the groove 10, by arranging the groove 10, transmission space is provided for one of the synchronous belts 12, and the stability and safety of the synchronous belt 12 during operation are ensured;

[0036] Working principle: the screening machine 1 utilizes the vibration motor 401 to generate vibration force, so that the material jumps on the screen surface, after the material is sent into the screen surface, due to the action of vibration, smaller particles will fall through the screen hole, while larger particles will move forward along the screen surface, and finally discharged from the end of the screen surface, the user pours the material into the feeding pipe 2 through the external device, and then starts the fan 301 through the external control switch, the fan 301 is powered through the external power supply, the fan 301 generates wind through the connected first telescopic pipe 13 into the heating box 302, the heating wire 303 in the heating box 302 is connected with the external power supply wire, the heating wire 303 is heated to heat the wind in the heating box 302, with the continuous wind generated by the fan 301 into the heating box 302, the wind heated by the heating wire 303 will enter the communication pipe 304 through the second telescopic pipe 14, the wind in the communication pipe 304 will be sprayed from the nozzle 305 through the shunt pipe 307, the feeding pipe 2 is connected with the screening machine 1, when the screening machine 1 works, the vibration generated will drive the feeding pipe 2 to vibrate synchronously, the guide plate 306 in the feeding pipe 2 is staggered, so that the material forms an S-shaped flow path in the pipe, slows down the speed of the material entering the inside of the screening machine 1, increases the contact time of the material with hot air, so that the material with wet surface can be dried, when the dried material enters the screening plate 5, the material is screened through the screening hole of the screening plate 5 through the vibration of the screening plate 5, at this time, part of the material will be blocked in the screening hole, the user can start the motor 401 through the external control switch, the motor 401 is powered through the external power supply, the output end of the motor 401 drives the transmission rod 402 to rotate, the synchronous wheel 11 on the transmission rod 402 rotates synchronously, the synchronous wheel 11 transmits the rotary motion to another synchronous wheel 11 through the synchronous belt 12, so as to drive the second transmission rod 402 to rotate, the rotation of the second fixed transmission rod 402 will drive the third transmission rod 402 to rotate through the same steps, so as to realize the synchronous rotation of the three transmission rods 402, the rotation of the three transmission rods 402 will drive the connecting screw rod 405 to rotate, the rotation of the screw rod 405 will drive the moving block 404 connected with the screw to move, so as to make the brush 403 move, the movement of the brush 403 can clean the material blocked in the screening hole, the brush 403 can be guided through the slide rod 15 to ensure the stability of the movement of the brush 403, and then the reverse rotation of the output end of the motor 401 drives the screw rod 405 to rotate reversely, so as to make the brush 403 move back and forth, which is convenient for cleaning the screening hole.

[0037] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A multi-stage screening device for rock particles, characterized in that: Includes a screening machine (1), the top of which is fixedly connected to a feed pipe (2), the inner wall of which is provided with screening plates (5), the number of which is three, the inner wall of which is provided with a drying mechanism (3), and the inner wall of which is provided with a cleaning mechanism (4). The drying mechanism (3) includes a fan (301), which is fixedly connected to the top of the screening machine (1). A heating box (302) is fixedly connected to the top of the screening machine (1). The heating box (302) is located on one side of the fan (301). An electric heating wire (303) is fixedly connected to the inner wall of the heating box (302). A connecting pipe (304) is provided on the surface of the feed pipe (2). A diversion pipe (307) is fixedly connected to the surface of the connecting pipe (304). There are several diversion pipes (307). The diversion pipes (307) penetrate the inner wall of the feed pipe (2). A nozzle (305) is fixedly connected to one end of the diversion pipe (307). A guide plate (306) is fixedly connected to the inner wall of the feed pipe (2). There are three guide plates (306). The cleaning mechanism (4) includes a motor (401), which is located on one side of the screening machine (1). The output end of the motor (401) is fixedly connected to a transmission rod (402). There are three transmission rods (402), which all penetrate into the inner wall of the screening machine (1) and are rotatably connected to the inner wall of the screening machine (1). The inner wall of the screening machine (1) is rotatably connected to a threaded rod (405). There are three threaded rods (405), and one end of each threaded rod (405) is fixedly connected to one end of each of the three transmission rods (402). A brush (403) is provided at the bottom of the screening plate (5). A moving block (404) is fixedly connected to the bottom of the brush (403). There are three moving blocks (404), and the threaded rod (405) is threadedly connected to the inner wall of one of the moving blocks (404).

2. The multi-stage screening device for rock particles according to claim 1, characterized in that: The top of the screening machine (1) is fixedly connected to a first support frame (6), the blower (301) is fixedly connected to the top of the screening machine (1) through the first support frame (6), the side of the screening machine (1) is fixedly connected to a second support frame (9), and the motor (401) is fixedly connected to the side of the screening machine (1) through the second support frame (9).

3. The multi-stage screening device for rock particles according to claim 1, characterized in that: The feed pipe (2) is fixedly connected to both sides of a fixing block (7), and the connecting pipe (304) is fixedly connected to the inner wall of the fixing block (7). The inner wall of the feed pipe (2) is provided with holes (8), and the number of holes (8) is several.

4. The multi-stage screening device for rock particles according to claim 1, characterized in that: The output end of the fan (301) is fixedly connected to a first telescopic pipe (13), one end of the first telescopic pipe (13) is fixedly connected to one side of the heating box (302), and one side of the connecting pipe (304) is fixedly connected to a second telescopic pipe (14), one end of the second telescopic pipe (14) is fixedly connected to the other side of the heating box (302).

5. The multi-stage screening device for rock particles according to claim 1, characterized in that: The inner wall of the screening machine (1) is fixedly connected with slide rods (15). There are six slide rods (15), and two slide rods (15) form a group. The other two moving blocks (404) are slidably connected to the surface of a group of slide rods (15).

6. The multi-stage screening device for rock particles according to claim 2, characterized in that: Synchronous pulleys (11) are fixedly sleeved on the surfaces of the three transmission rods (402). There are four synchronous pulleys (11), and each pair of synchronous pulleys (11) forms a group. A synchronous belt (12) is rotatably sleeved on the surface of each group of synchronous pulleys (11).

7. A multi-stage rock particle screening device according to claim 6, characterized in that: The inner wall of the second support frame (9) is provided with a groove (10), and one of the timing belts (12) passes through the inner wall of the groove (10).