Granule screen for screening coal mine

Abstract

The utility model belongs to the technical field of grain sieves for coal mine screening, and particularly relates to a grain sieve for coal mine screening, which comprises a machine body, a feed port is fixedly mounted at the top of the machine body, a first discharge port is formed in the left lower side of the machine body, and a second discharge port is formed in the right upper side of the machine body; the vibrating screen is reasonable in design, through the arranged vibrating assembly, the vibrating screening effect of the screen can be achieved through the two symmetrical vibrating blocks, the use cost is low, the device is simple and convenient in structure, the energy consumption of the motor is reduced, and the energy consumption is low; and through the arranged conveying assembly and a conveying belt arranged at the bottom of the machine body, screened materials are cleaned in time, time and labor are saved in the collecting process, the collecting efficiency is high, the machine blockage situation is not likely to happen, and therefore the screening efficiency of the machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of particle screens for coal mine screening, in particular to a particle screen for coal mine screening. Background Art

[0002] Screening machinery equipment uses the principles of rotation, vibration, reciprocation, shaking and other movements to screen various bulk materials, divide them into several grades according to the particle size, and then carry out the next step of processing and improve product quality. In the process of coal screening, a coal screening particle screen is needed to screen coal of different specifications.

[0003] Announcement No. CN212349351U discloses a large-size screen for raw coal screening, including a base, a screening box is fixedly installed on the base, a screening chamber is arranged inside the screening box, the screening chamber is inclined, a feed port is arranged at the upper end of the screening chamber, a first discharge port is arranged at the lower end of the screening chamber, a guide plate is fixedly installed on the side wall of the screening chamber below the feed port, a plurality of rollers are fixedly installed on the bottom of the screening chamber, the rollers are sealingly and rotatably connected to the side walls of the screening chamber, a plurality of rollers are fixedly installed on the surface of the rollers, one end of the rollers is connected to a driving mechanism through a coupling, the driving mechanism includes a fixed seat, a plurality of driving wheels are fixedly installed on the fixed seat, the driving wheels are connected by a chain, the rotating shaft of the driving wheel is connected to the output end of the reducer, the input end of the reducer is connected to the output shaft of the motor, the motor is fixedly installed on the motor seat, and the motor seat is fixedly installed on the base.

[0004] There may be two problems when using it. One is that a number of driving wheels are fixedly installed on its base, and the driving wheels are connected to a number of rollers, which may make the structure more complicated and lead to higher cost of use. In addition, too many driving shafts will increase the energy consumption of the motor and consume more energy. The second is that the small-sized coal ore screened from the discharge port needs to be shoveled and collected by the user. The collection process is time-consuming and labor-intensive, resulting in low collection efficiency and easy machine blockage, thereby reducing the screening efficiency of the machine. Therefore, we propose a particle screen for coal screening. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a particle screen for coal mine screening.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A particle screen for coal mine screening, comprising:

[0008] A machine body, wherein a feed port is fixedly mounted on the top of the machine body, a first discharge port is opened on the lower left side of the machine body, and a second discharge port is opened on the upper right side of the machine body;

[0009] A vibration assembly, wherein the vibration assembly is mounted on the machine body;

[0010] A transmission component is installed on the machine body.

[0011] Preferably, the vibration assembly includes a motor, a first drive shaft, a first bevel gear, a fixed block, a second drive shaft, a second bevel gear, a third drive shaft, a first belt, a fourth drive shaft, a vibration block, a second belt, a slide groove, a slider and a screen. The motor is fixedly mounted on the top left side of the body, the first drive shaft is fixedly mounted on the output end of the motor, the first bevel gear is fixedly mounted on the outside of the first drive shaft, the fixed block is fixedly mounted on the front and rear sides of the left side of the body, the second drive shaft is rotatably mounted on the inner side of the fixed block, the second bevel gear is fixedly mounted on the outside of the second drive shaft, and the second bevel gear is The first bevel gears are meshed, the third drive shaft is rotatably mounted on the rear inner wall of the body, passes through the body and extends to its rear side, the first belt tensioning is arranged on the outside of the second drive shaft and the third drive shaft, the fourth drive shaft is rotatably mounted on the front upper inner wall of the body, passes through the body and extends to its front side, the vibration blocks are respectively fixedly mounted on the outside of the third drive shaft and the fourth drive shaft, the second belt tensioning is arranged on the outside of the fourth drive shaft and the second drive shaft, the slide groove is opened on the front and rear inner walls of the body, the slider is slidably mounted on the inner side of the slide groove, and the screen is fixedly mounted between the inner sides of the sliders.

[0012] By adopting the above technical solution, the two bevel gears mesh with each other to adjust the direction of rotation of the drive shaft, so that one drive shaft can drive the belts on both sides to rotate.

[0013] Preferably, the transmission assembly comprises a fifth drive shaft, a conveyor belt, a third belt and a fourth belt, the fifth drive shaft being rotatably mounted on the left and right sides of the inner wall of the front lower side of the machine body, and penetrating the machine body (1) and extending to the front side thereof, the conveyor belt being tensioned and arranged on the outer rear sides of the two fifth drive shafts, the third belt being tensioned and arranged on the outer front sides of the fifth drive shaft and the second drive shaft, and the fourth belt being tensioned and arranged on the outer front side of the fifth drive shaft and located in front of the third belt.

[0014] By adopting the above technical solution, the belt can drive the conveyor belt connected to the driving shaft to rotate.

[0015] Preferably, the length from the top end of the vibration block to the central axis is half of the length from the bottom end to the central axis, and the shape of the vibration block is elliptical.

[0016] By adopting the above technical solution, the longer end can cause the sliding block connected to the screen to move upward.

[0017] Preferably, the sieve is higher on the left side and lower on the right side, and the material of the sieve is stainless steel.

[0018] By adopting the above technical solution, large-size coal can be pushed forward by gravity, and the stainless steel screen can make it wear-resistant, corrosion-resistant and have a long service life.

[0019] Preferably, the shapes of the slide groove and the slider are both convex, and the outer contour of the slider is matched with the cross-sectional size of the slide groove.

[0020] By adopting the above technical solution, the slider can be conveniently fitted and slid.

[0021] Preferably, the height of the chute is greater than the distance between the two farthest points on the vibration block, and a certain distance is left from the top of the vibration block to the top of the chute.

[0022] By adopting the above technical solution, the vibration amplitude can be controlled.

[0023] Preferably, grooves with the same width as the second belt and the third belt are respectively opened on the outer side of the second drive shaft, and the second belt and the third belt are located on the outside of different grooves, and grooves with the same width as the third belt and the fourth belt are respectively opened on the outer side of the fifth drive shaft, and the third belt and the fourth belt are also located on the outside of different grooves.

[0024] By adopting the above technical solution, the belt can be prevented from falling off and sliding and winding.

[0025] Compared with the prior art, the beneficial effects of the utility model are:

[0026] (1) The utility model is a particle screen for coal mine screening. By setting a vibration component, two symmetrical vibration blocks can achieve the vibration screening effect of the screen, which makes the use cost lower. The device structure is relatively simple, which reduces the energy consumption of the motor and the energy consumption is low.

[0027] (2 The utility model is a particle screen for coal mine screening. Through the transmission component and the conveyor belt arranged at the bottom of the machine body, the screened materials can be cleaned in time, the collection process is time-saving and labor-saving, the collection efficiency is high, and the machine is not prone to blockage, thereby improving the screening efficiency of the machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the three-dimensional structure of a particle screen for coal mine screening proposed by the utility model;

[0029] Figure 2 This is a schematic diagram of a three-dimensional cross-sectional structure of some parts of a particle screen for coal mine screening proposed by the utility model;

[0030] Figure 3 This is a right view structural schematic diagram of a particle screen for coal mine screening proposed by the utility model;

[0031] Figure 4 for Figure 2 A schematic diagram of the enlarged structure of part A.

[0032] In the figure: 1. machine body; 2. feed port; 3. first discharge port; 4. motor; 5. fixing block; 6. first drive shaft; 7. second drive shaft; 8. first bevel gear; 9. second bevel gear; 10. fourth drive shaft; 11. second belt; 12. third belt; 13. fifth drive shaft; 14. fourth belt; 15. conveyor belt; 16. screen; 17. vibration block; 18. third drive shaft; 19. first belt; 20. second discharge port; 21. slider; 22. slide chute. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0034] Example

[0035] Reference Figure 1-4 A particle screen for coal mine screening comprises a body 1, a feed port 2 is fixedly mounted on the top of the body 1, a first discharge port 3 is opened on the lower left side of the body 1, and a second discharge port 20 is opened on the upper right side of the body 1;

[0036] A vibration component, the vibration component is installed on the body 1;

[0037] A transmission component is installed on the machine body 1.

[0038] In this embodiment, the vibration assembly includes a motor 4, a first drive shaft 6, a first bevel gear 8, a fixed block 5, a second drive shaft 7, a second bevel gear 9, a third drive shaft 18, a first belt 19, a fourth drive shaft 10, a vibration block 17, a second belt 11, a slide 22, a slider 21 and a screen 16. The motor 4 is fixedly mounted on the top left side of the body 1, the first drive shaft 6 is fixedly mounted on the output end of the motor 4, the first bevel gear 8 is fixedly mounted on the outside of the first drive shaft 6, the fixed block 5 is fixedly mounted on the front and rear sides of the left side of the body 1, the second drive shaft 7 is rotatably mounted on the inner side of the fixed block 5, the second bevel gear 9 is fixedly mounted on the outer side of the second drive shaft 7, and the second bevel gear 9 is meshed with the first bevel gear 8. It should be noted that the meshing of the two bevel gears can adjust the rotation direction of the drive shaft, and the third drive shaft 18 is rotatably mounted on the rear inner wall of the body 1, and passes through the body 1 and extends to its rear side. The first belt 19 is tensioned and arranged on the outside of the second drive shaft 7 and the third drive shaft 18. The fourth drive shaft 10 is rotatably installed on the front upper inner wall of the body 1, and penetrates the body 1 and extends to its front side. The vibration block 17 is fixedly installed on the outside of the third drive shaft 18 and the fourth drive shaft 10 respectively. The second belt 11 is tensioned and arranged on the outside of the fourth drive shaft 10 and the second drive shaft 7. The slide groove 22 is opened on the front and rear inner walls of the body 1, and the slider 21 is slidably installed on the inner side of the slide groove 22. The screen 16 is fixedly installed between the inner sides of the slider 21. It should be noted that this enables the motor to drive the first drive shaft to rotate, thereby driving the belt connected to the first drive shaft to rotate, so that the belt can drive the drive shaft connected to the vibration block to rotate, so that the vibration blocks on both sides rotate together, so that the screen can be vibrated to achieve the effect of screening coal mines without clogging the screen, thereby improving the screening efficiency of the screen.

[0039] In this embodiment, the transmission assembly includes a fifth drive shaft 13, a conveyor belt 15, a third belt 12 and a fourth belt 14. The fifth drive shaft 13 is rotatably installed on the left and right sides of the front lower inner wall of the body 1. The conveyor belt 15 is tensioned on the outer rear side of the two fifth drive shafts 13, the third belt 12 is tensioned on the outer front side of the fifth drive shaft 13 and the second drive shaft 7, and the fourth belt 14 is tensioned on the outer front side of the fifth drive shaft 13 and is located in front of the third belt 12. It should be noted that this allows the conveyor belt 15 to transport the screened coal to the first discharge port 3, so that the screened material can be cleaned in time, and the machine is not easily blocked, thereby improving the screening efficiency of the machine.

[0040] In this embodiment, the length from the top of the vibration block 17 to the central axis is half the length from the bottom to the central axis, and the shape of the vibration block 17 is elliptical. It should be noted that the longer end can make the slider connected to the screen 16 move upward, and the elliptical shape can make the screen 16 vibrate regularly to prevent the screen 16 from being blocked by the coal mine.

[0041] In this embodiment, the screen 16 is higher on the left side and lower on the right side. The material of the screen 16 is stainless steel. It should be noted that large-particle coal can be pushed forward by gravity. The stainless steel material makes it wear-resistant, corrosion-resistant and has a long service life.

[0042] In this embodiment, the shapes of the slide groove 22 and the slider 21 are both convex, and the outer contour of the slider 21 is adapted to the cross-sectional size of the slide groove 22. It should be noted that the slider 21 can be conveniently fitted and slid, and its convenient operation can save time cost.

[0043] In this embodiment, the height of the slide groove 22 is greater than the distance between the two farthest points on the vibration block 17, and a certain distance is left from the top of the vibration block 17 to the top of the slide groove 22. It should be noted that the vibration amplitude can be controlled, the degree of wear can be reduced, and the cost of replacing accessories can be reduced.

[0044] In this embodiment, grooves with the same width as the second belt 11 and the third belt 12 are respectively opened on the outer side of the second drive shaft 7, and the second belt 11 and the third belt 12 are both located on the outsides of different grooves. Grooves with the same width as the third belt 12 and the fourth belt 14 are respectively opened on the outer side of the fifth drive shaft 13, and the third belt 12 and the fourth belt 14 are also both located on the outsides of different grooves. It should be noted that the belts can be prevented from falling off, sliding and entangled, thereby reducing the occurrence rate of machine accidents and increasing its safety effect.

[0045] The specific operation is that the machine is first connected to an external power supply, so that the motor 4 is started to drive the first bevel gear 8 to rotate, and the first bevel gear 8 is meshed with the second bevel gear 9, so that the first bevel gear 8 can drive the second drive shaft 7 to rotate, and the second drive shaft 7 drives the first belt 19 and the second belt 11 to rotate, so that the third drive shaft 18 and the fourth drive shaft 10 follow the first belt 19 and the second belt 11 to rotate, so that the vibration block 17 can rotate, and then the slider 21 fixedly installed on the screen 16 is moved upward through the end of the vibration block 17 that is longer than the central axis, so that the screen 16 can be moved in the slide groove 2 2 performs a vibration movement, and the coal to be processed is put into the feed port 2, and falls onto the screen 16 that is performing a vibration movement, so as to achieve the effect of screening the coal, and the screen 16 is higher on the left and lower on the right, so that the large-particle coal can be pushed to the second discharge port 20 under the action of gravity, and the coal screened by the screen 16 falls onto the conveyor belt 15, and the second drive shaft 7 can drive the conveyor belt connected to the fifth drive shaft 13 to rotate through the third belt 12, so that the conveyor belt 15 can convey the screened small-particle coal to the first discharge port 3, and by continuously putting materials into the feed port, the machine can always perform screening stably.

[0046] The above is a detailed introduction to a particle screen for coal mine screening provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A particle screen for coal mine screening, characterized in that: include: A machine body, wherein a feed port is fixedly mounted on the top of the machine body, a first discharge port is opened on the lower left side of the machine body, and a second discharge port is opened on the upper right side of the machine body; A vibration assembly, wherein the vibration assembly is mounted on the machine body; A transmission component is installed on the machine body.

2. A granular screen for coal mine screening according to claim 1, characterized in that The vibration assembly includes a motor, a first drive shaft, a first bevel gear, a fixed block, a second drive shaft, a second bevel gear, a third drive shaft, a first belt, a fourth drive shaft, a vibration block, a second belt, a slide groove, a slider and a screen. The motor is fixedly mounted on the top of the left side of the machine body, the first drive shaft is fixedly mounted on the output end of the motor, the first bevel gear is fixedly mounted on the outside of the first drive shaft, the fixed block is fixedly mounted on the front and rear sides of the left side of the machine body, the second drive shaft is rotatably mounted on the inner side of the fixed block, the second bevel gear is fixedly mounted on the outside of the second drive shaft, and the second bevel gear is connected to the first The bevel gears are meshed, the third drive shaft is rotatably mounted on the rear inner wall of the body, passes through the body and extends to its rear side, the first belt tensioning is arranged on the outside of the second drive shaft and the third drive shaft, the fourth drive shaft is rotatably mounted on the front upper inner wall of the body, passes through the body and extends to its front side, the vibration blocks are respectively fixedly mounted on the outside of the third drive shaft and the fourth drive shaft, the second belt tensioning is arranged on the outside of the fourth drive shaft and the second drive shaft, the slide groove is opened on the front and rear inner walls of the body, the slider is slidably mounted on the inner side of the slide groove, and the screen is fixedly mounted between the inner sides of the sliders.

3. A granular screen for coal mine screening according to claim 1, characterized in that: The transmission assembly includes a fifth drive shaft, a conveyor belt, a third belt and a fourth belt. The fifth drive shaft is rotatably mounted on the left and right sides of the front lower inner wall of the body, and penetrates the body and extends to its front side. The fifth drive shaft is rotatably mounted on the rear inner wall of the body. The conveyor belt tensioning arrangement is arranged on the outer rear side of the two fifth drive shafts, the third belt tensioning arrangement is arranged on the outer front side of the fifth drive shaft and the second drive shaft, and the fourth belt tensioning arrangement is arranged on the outer front side of the two fifth drive shafts and is located in front of the third belt.

4. A granular screen for coal mine screening according to claim 2, characterized in that: The length from the top end of the vibration block to the central axis is half of the length from the bottom end to the central axis, and the shape of the vibration block is elliptical.

5. A granular screen for coal mine screening according to claim 2, characterized in that: The sieve is higher on the left side and lower on the right side, and the material of the sieve is stainless steel.

6. A granular screen for coal mine screening according to claim 2, characterized in that: The shapes of the slide groove and the slider are both convex, and the outer contour of the slider is adapted to the cross-sectional size of the slide groove.

7. A granular screen for coal mine screening according to claim 2, characterized in that: The height of the slide groove is greater than the distance between the two farthest points on the vibration block, and a distance is left from the top of the vibration block to the top of the slide groove.

8. A granular screen for coal mine screening according to claim 3, characterized in that: The outer side of the second driving shaft is respectively provided with grooves of the same width as the second belt and the third belt, and the second belt and the third belt are both located on the outsides of different grooves. The outer side of the fifth driving shaft is respectively provided with grooves of the same width as the third belt and the fourth belt, and the third belt and the fourth belt are also both located on the outsides of different grooves.

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