Anti-blocking ore grading device for mining

Abstract

The utility model relates to the field of ore grading equipment, and discloses a mining anti-blocking ore grading device which comprises an ore cleaning box and an ore grading barrel fixedly mounted on the outer wall of the right side of the ore cleaning box, the left side of the ore grading barrel is of an opening structure, and a feeding hopper is fixedly mounted at the top of the ore cleaning box; four telescopic hanging brackets which are symmetrically distributed in pairs are arranged on the inner wall of the top of the ore cleaning box, the bottom ends of the four telescopic hanging brackets are fixedly provided with the same rough filter plate, and the rough filter plate is obliquely arranged. Compared with the prior art, the ore grading and screening device has the following advantages and effects that ore can be comprehensively and effectively washed, soil and dust in the ore can be filtered and separated out, the washed ore can be controlled to continuously enter the ore grading barrel for grading and screening operation, the effective anti-blocking effect is achieved, it is guaranteed that the ore grading and screening operation is smoothly conducted, and the working efficiency is improved. And the grading screening efficiency of the ores is improved.

Description

Technical Field

[0001] This application relates to the technical field of ore classification equipment, and particularly relates to an anti-blocking ore classification device for mine exploitation. Background Art

[0002] For the ore mined in the mine, an ore classification device is usually required to classify and screen the ore. After retrieval, the patent document with the authorization announcement number CN220738352U discloses an anti-blocking ore classification device for mine exploitation, including a box body. A transmission mechanism is fixedly installed on the left side of the box body. A screening mechanism is arranged inside the box body. The transmission mechanism includes a motor. A motor is fixedly installed on the left side of the box body. A rotating shaft is fixedly installed at the output end of the motor. The screening mechanism includes a load-bearing block. A pair of load-bearing blocks are movably installed on the surface of the guide rod. In this anti-blocking ore classification device for mine exploitation, by arranging a screening mechanism inside the box body, ore is put in through a feed hopper, a large amount of water is introduced through a water pipe, and under the action of a cam, the vibration box makes a rapid reciprocating motion. At this time, the ore rubs against each other during vibration to remove the soil and dust on the surface, and the ore stuck together is separated, thus solving the problem that the surface dust and soil of the ore will cause the ore to stick, and it is difficult for the machine to quickly classify the ore.

[0003] The above-mentioned related solutions are found to still have at least the following defects in actual use: after pouring the ore into the vibration box for vibration cleaning and completion, the soil and dust are still mixed in the ore. When the ore mixed with soil and dust is subsequently classified and screened, the soil and dust in the ore are not filtered and separated. Moreover, after the ore is cleaned, due to the large amount of ore inside the vibration box, during the process of the ore entering the screening box through the guide pipe, the ore is prone to accumulate and block the pipe orifice and the inside of the guide pipe, and it cannot ensure that the ore smoothly falls into the screening box, which will cause the classification and screening work of the ore not to proceed smoothly and the classification and screening efficiency of the ore is low. Therefore, we propose an anti-blocking ore classification device for mine exploitation to solve the above problems. Summary of the Utility Model

[0004] The purpose of this application is to provide an anti-blocking ore classification device for mine exploitation, which has the effects of being able to comprehensively and effectively wash the ore, filtering and separating the soil and dust in the ore, and being able to control the continuously cleaned ore to enter the ore classification cylinder for classification and screening operations, having an effective anti-blocking effect, ensuring the smooth progress of the ore classification and screening operations, and improving the classification and screening efficiency of the ore.

[0005] The above technical object of the present application is achieved through the following technical solutions: A mine mining anti-blocking ore grading device, including an ore cleaning tank and an ore grading cylinder fixedly installed on the right outer wall of the ore cleaning tank. The left side of the ore grading cylinder is an open structure. A feed hopper is fixedly installed on the top of the ore cleaning tank. Four telescopic hanging brackets are symmetrically distributed in pairs on the top inner wall of the ore cleaning tank. The bottom ends of the four telescopic hanging brackets are fixedly installed with the same coarse filter plate. The coarse filter plate is inclined. A vibration motor is fixedly installed at the bottom of the coarse filter plate. An inlet is opened on the right side wall of the ore cleaning tank and is communicated with the inside of the ore grading cylinder. A guide plate is fixedly installed on the right side of the coarse filter plate. The right side of the guide plate penetrates through the inlet and extends into the ore grading cylinder. A fine filter plate is fixedly installed in the ore cleaning tank below the coarse filter plate. Clear water is contained in the ore cleaning tank below the fine filter plate. A flushing mechanism for washing off the soil and dust on the ore is provided on the ore cleaning tank. A grading and screening mechanism for screening and separating according to the particle size of the ore is provided on the ore grading cylinder.

[0006] The further setting of the present application is: The telescopic hanging bracket includes a hanging post, a telescopic rod and a spring. The hanging post is fixedly installed on the top inner wall of the ore cleaning tank. A vertical groove is opened at the bottom end of the hanging post. The top end of the telescopic rod is slidably installed in the vertical groove. The bottom end of the telescopic rod is fixedly connected to the top of the coarse filter plate. The bottom end of the spring is fixedly connected to the top end of the telescopic rod. The top end of the spring is fixedly connected to the top inner wall of the vertical groove.

[0007] The further setting of the present application is: Guide grooves are opened on both inner walls of the vertical groove. Guide blocks are fixedly installed on both sides of the top end of the telescopic rod. The two guide blocks are respectively slidably installed in the corresponding guide grooves.

[0008] The further setting of the present application is: The flushing mechanism includes a booster pump, a water suction pipe, a water outlet pipe and a plurality of spray heads. The booster pump is fixedly installed on the left outer wall of the ore cleaning tank. One end of the water suction pipe is fixedly connected to the suction end of the booster pump. The end of the water suction pipe away from the booster pump extends into the ore cleaning tank and is located below the fine filter plate. One end of the water outlet pipe is fixedly connected to the discharge end of the booster pump. The end of the water outlet pipe away from the booster pump extends into the ore cleaning tank and is located above the coarse filter plate. The feed hopper is located behind the water outlet pipe. A plurality of spray heads are fixedly installed on the water outlet pipe and are equally spaced. And a plurality of spray heads are all located in the ore cleaning tank.

[0009] A further setting of the present application is that the grading and screening mechanism includes a first annular sieve, a second annular sieve, a third annular sieve, two positioning rings, an external gear ring, a motor and a gear. The first annular sieve, the second annular sieve and the third annular sieve are all located inside the ore grading cylinder and are inclined. The sieve hole sizes of the first annular sieve, the second annular sieve and the third annular sieve increase in sequence. The left outer wall of the first annular sieve is in sliding contact with the right outer wall of the ore cleaning tank. The right side of the material guiding plate extends into the first annular sieve. The left outer wall of the second annular sieve is fixedly connected to the right outer wall of the first annular sieve. The left outer wall of the third annular sieve is fixedly connected to the right outer wall of the second annular sieve. The right outer wall of the third annular sieve is in sliding contact with the right inner wall of the ore grading cylinder. The two positioning rings are respectively rotatably sleeved on the right sides of the first annular sieve and the second annular sieve. The outer ring walls of the two positioning rings are fixedly connected to the inner wall of the ore grading cylinder. The external gear ring is fixedly sleeved on the third annular sieve. The motor is fixedly installed on the top of the ore grading cylinder. The gear is fixedly installed at the output shaft end of the motor. An avoidance hole is opened on the top inner wall of the ore grading cylinder. The bottom of the gear penetrates through the avoidance hole and meshes with the external gear ring.

[0010] A further setting of the present application is that a first discharge cover, a second discharge cover and a third discharge cover are fixedly installed at the bottom of the ore grading cylinder. The first discharge cover is located directly below the first annular sieve. The second discharge cover is located directly below the second annular sieve. The third discharge cover is located directly below the third annular sieve.

[0011] A further setting of the present application is that a plurality of blocking bars are fixedly installed at equal intervals on the top of the coarse filter plate. The height dimension of the blocking bars is set to be 2 - 6 mm. A water blocking plate is fixedly installed at the bottom of the material guiding plate.

[0012] A further setting of the present application is that an observation hole located below the fine filter plate is opened on the front inner wall of the ore cleaning tank. An observation mirror is fixedly installed in the observation hole. A water replenishing pipe located below the fine filter plate is fixedly installed on the left outer wall of the ore cleaning tank. A water replenishing valve is fixedly installed on the water replenishing pipe. A waste water discharging pipe located below the fine filter plate is fixedly installed on the front outer wall of the ore cleaning tank. A waste water discharging valve is fixedly installed on the waste water discharging pipe. A cleaning opening located above the fine filter plate is opened on the front inner wall of the ore cleaning tank. A cover plate is fixedly installed on the front outer wall of the ore cleaning tank through screws. The cover plate is adapted to the cleaning opening.

[0013] A further setting of the present application is that a maintenance opening communicated with the third annular sieve is opened on the right inner wall of the ore grading cylinder. A maintenance door is fixedly installed on the right outer wall of the ore grading cylinder through screws. The maintenance door is adapted to the maintenance opening. A blocking plate is fixedly installed on the left side wall of the maintenance door. The blocking plate is slidably installed in the maintenance opening.

[0014] This application includes at least one of the following beneficial technical effects:

[0015] By utilizing the vibration force generated during the operation of the vibration motor and coordinating with the retractable features of the four retractable hanging brackets, this application can control the reciprocating movement of the coarse filter plate in the vertical direction. When the ore falls onto the coarse filter plate, the ore can be made to jump slightly under the vibration force on the coarse filter plate, collide with each other, and roll along the inclined direction of the coarse filter plate. Moreover, the clear water sprayed from multiple nozzles can comprehensively and effectively wash the ore, wash away the soil and dust on the surface of the ore, and separate the ore that is stuck together. Thus, it can more comprehensively and thoroughly wash and filter the soil and dust in the ore, and more comprehensively and thoroughly filter out the soil and dust in the ore.

[0016] This application utilizes the fine filter plate to intercept and filter the soil and dust in the water, enabling the filtered water liquid to fall through the filter holes on the fine filter plate, and the soil and dust to remain above the fine filter plate. Thus, the function of recycling water resources is also achieved, with the effect of water conservation.

[0017] This application continuously guides the washed ore into the ore classification cylinder by using the guide plate. By using the classification and screening mechanism composed of the first annular screen, the second annular screen, the third annular screen, two positioning rings, the external gear ring, the motor, and the gear, it can comprehensively and effectively perform the classification and screening operation on the ore, ensure the smooth progress of the ore classification and screening operation, have an effective anti-blocking effect, and improve the efficiency of ore classification and screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the three-dimensional structure schematic diagram of this embodiment.

[0019] Figure 2 is the front cross-sectional structure schematic diagram of this embodiment.

[0020] Figure 3 is the three-dimensional assembly schematic diagram of the retractable hanging bracket, the coarse filter plate, and the guide plate.

[0021] Figure 4 is the front cross-sectional structure schematic diagram of the retractable hanging bracket.

[0022] Figure 5 is the three-dimensional assembly schematic diagram of the first annular screen, the second annular screen, the third annular screen, and the external gear ring.

[0023] Figure 6 is the three-dimensional structure schematic diagram of the nozzle.

[0024] In the figure, 1 is an ore cleaning tank; 2 is an ore grading cylinder; 3 is a feed hopper; 4 is a telescopic hanging bracket, 41 is a hanging column, 42 is a vertical chute, 43 is a telescopic rod, 44 is a spring; 5 is a coarse filter plate; 6 is a vibration motor; 7 is a feed inlet; 8 is a guide plate; 9 is a fine filter plate; 10 is a booster water pump; 11 is a suction pipe; 12 is a water outlet pipe; 13 is a spray head; 14 is a blocking strip; 15 is a water baffle; 16 is a first annular screen; 17 is a second annular screen; 18 is a third annular screen; 19 is a positioning ring; 20 is an external gear ring; 21 is a motor; 22 is a gear; 23 is a first discharge hood; 24 is a second discharge hood; 25 is a third discharge hood; 26 is an observation mirror; 27 is a water replenishing pipe; 28 is a residual water discharge pipe; 29 is a cover plate; 30 is a maintenance door; 31 is a plugging plate. Detailed implementation manners

[0025] The technical solutions of the present application will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0026] Refer to Figures 1-6 , the present application provides an anti-blocking ore grading device for mine exploitation, including an ore cleaning tank 1 and an ore grading cylinder 2 fixedly installed on the right outer wall of the ore cleaning tank 1. The left side of the ore grading cylinder 2 is of an open structure, where:

[0027] A feed hopper 3 is fixedly installed on the top of the ore cleaning tank 1. Four telescopable hanging brackets 4 are symmetrically distributed in pairs on the inner wall of the top of the ore cleaning tank 1. The same coarse filter plate 5 is fixedly installed at the bottom ends of the four telescopable hanging brackets 4. The telescopable hanging bracket 4 includes a hanging post 41, a telescopic rod 43 and a spring 44. The hanging post 41 is fixedly installed on the inner wall of the top of the ore cleaning tank 1. A vertical groove 42 is opened at the bottom end of the hanging post 41. The top end of the telescopic rod 43 is slidably installed in the vertical groove 42. The bottom end of the telescopic rod 43 is fixedly connected to the top of the coarse filter plate 5. The bottom end of the spring 44 is fixedly connected to the top end of the telescopic rod 43. The top end of the spring 44 is fixedly connected to the inner wall of the top of the vertical groove 42. By the elastic force of the spring 44, the telescopic rod 43 can vertically slide in the vertical groove 42. The coarse filter plate 5 can be stably hoisted in the ore cleaning tank 1 by the four telescopable hanging brackets 4. The coarse filter plate 5 is used to filter the soil and dust in the ore, so that the soil and dust can fall through the filter holes on the coarse filter plate 5. The coarse filter plate 5 is inclined. A vibration motor 6 is fixedly installed at the bottom of the coarse filter plate 5. By the vibration force generated when the vibration motor 6 operates and in cooperation with the telescopic characteristics of the four telescopable hanging brackets 4, the vertical reciprocating motion of the coarse filter plate 5 can be controlled, so as to filter the soil and dust in the ore more comprehensively and thoroughly. An inlet 7 communicating with the inside of the ore grading cylinder 2 is opened on the right side wall of the ore cleaning tank 1. A guide plate 8 is fixedly installed on the right side of the coarse filter plate 8. The guide plate 8 is used to guide the ore into the ore grading cylinder 2. The right side of the guide plate 8 penetrates through the inlet 7 and extends into the ore grading cylinder 2. A fine filter plate 9 is fixedly installed in the ore cleaning tank 1 below the coarse filter plate 5. The fine filter plate 9 is used to intercept the soil and dust in the filtered water, so that the water liquid can fall through the filter holes on the fine filter plate 9. The soil and dust are retained above the fine filter plate 9. Clear water is contained in the ore cleaning tank 1 below the fine filter plate 9. A flushing mechanism for flushing the soil and dust on the ore is arranged on the ore cleaning tank 1. A grading and screening mechanism for screening and separating according to the particle size of the ore is arranged on the ore grading cylinder 2.

[0028] In this embodiment, the above-mentioned flushing mechanism includes a booster water pump 10, a water suction pipe 11, a water outlet pipe 12 and a plurality of spray heads 13. The booster water pump 10 is fixedly installed on the left outer wall of the ore cleaning tank 1. One end of the water suction pipe 11 is fixedly connected to the suction end of the booster water pump 10. The end of the water suction pipe 11 away from the booster water pump 10 extends into the ore cleaning tank 1 and is located below the fine filter plate 9. One end of the water outlet pipe 12 is fixedly connected to the discharge end of the booster water pump 10. The end of the water outlet pipe 12 away from the booster water pump 10 extends into the ore cleaning tank 1 and is located above the coarse filter plate 5. The feed hopper 3 is located behind the water outlet pipe 12. The plurality of spray heads 13 are all fixedly installed on the water outlet pipe 12 and are equally spaced. Moreover, the plurality of spray heads 13 are all located in the ore cleaning tank 1. By operating the booster water pump 10, clear water can be pumped, so that the clear water is sprayed from the plurality of spray heads 13 onto the ore surface, and thus the soil and dust on the ore surface can be washed away.

[0029] In this embodiment, the above-mentioned grading and screening mechanism includes a first annular screen 16, a second annular screen 17, a third annular screen 18, two positioning rings 19, an external gear ring 20, a motor 21 and a gear 22. The first annular screen 16, the second annular screen 17 and the third annular screen 18 are all located inside the ore grading cylinder 2 and are inclined. It should be added that the inclination angles of the first annular screen 16, the second annular screen 17 and the third annular screen 18 are set to incline downward by 5-10°. The screen hole sizes of the first annular screen 16, the second annular screen 17 and the third annular screen 18 increase in sequence. The first annular screen 16 is used to screen out ores with small particle sizes, the second annular screen 17 is used to screen out ores with medium particle sizes, and the third annular screen 18 is used to screen out ores with large particle sizes. The left outer wall of the first annular screen 16 is in sliding contact with the right outer wall of the ore cleaning box 1, and the right side of the material guiding plate 8 extends into the first annular screen 16. The left outer wall of the second annular screen 17 is fixedly connected to the right outer wall of the first annular screen 16, and the left outer wall of the third annular screen 18 is fixedly connected to the right outer wall of the second annular screen 17. The right outer wall of the third annular screen 18 is in sliding contact with the right inner wall of the ore grading cylinder 2. The two positioning rings 19 are respectively rotatably sleeved on the right sides of the first annular screen 16 and the second annular screen 17, and the outer ring walls of the two positioning rings 19 are fixedly connected to the inner wall of the ore grading cylinder 2. The two positioning rings 19 can be used to position the positions of the first annular screen 16, the second annular screen 17 and the third annular screen 18 assembled inside the ore grading cylinder 2. The external gear ring 20 is fixedly sleeved on the third annular screen 18. The motor 21 is fixedly installed on the top of the ore grading cylinder 2, and the gear 22 is fixedly installed at the output shaft end of the motor 21. An avoidance hole is opened on the inner wall of the top of the ore grading cylinder 2. The bottom of the gear 22 penetrates through the avoidance hole and meshes with the external gear ring 20. The motor 21 can be used to drive the gear 22 to rotate. By the meshing and transmission action of the gear 22 and the external gear ring 20, the first annular screen 16, the second annular screen 17 and the third annular screen 18 can be controlled to rotate simultaneously, thereby improving the efficiency of ore grading and screening and making the ore grading and screening more thorough.

[0030] In this embodiment, guide grooves are opened on both inner walls of the vertical groove 42. Guide blocks are fixedly installed on both sides of the top end of the telescopic rod 43. The two guide blocks are respectively slidably installed in the corresponding guide grooves to guide the movement direction of the telescopic rod 43, so that the telescopic rod 43 can smoothly slide in the vertical groove 42 in the vertical direction.

[0031] In this embodiment, a first discharge hood 23, a second discharge hood 24, and a third discharge hood 25 are fixedly installed at the bottom of the ore classification cylinder 2. The first discharge hood 23 is located directly below the first annular screen 16, the second discharge hood 24 is located directly below the second annular screen 17, and the third discharge hood 25 is located directly below the third annular screen 18. The first discharge hood 23 is used to discharge ores with small particle sizes, the second discharge hood 24 is used to discharge ores with medium particle sizes, and the third discharge hood 25 is used to discharge ores with large particle sizes.

[0032] In this embodiment, a plurality of blocking bars 14 are fixedly installed at equal intervals on the top of the coarse filter plate 5. The height dimension of the blocking bars 14 is set to 2 - 6 mm. By using the plurality of blocking bars 14, when the ore rolls down and filters obliquely on the coarse filter plate 5, it can effectively block the movement of soil and dust along the inclined direction of the coarse filter plate 5, and thus can filter out soil and dust more comprehensively and thoroughly. A water baffle 15 is fixedly installed at the bottom of the guide plate 8. By using the water baffle 15, the entry of liquid into the ore classification cylinder 2 can be reduced.

[0033] In this embodiment, an observation hole located below the fine filter plate 9 is opened on the front inner wall of the ore washing tank 1. An observation mirror 26 is fixedly installed in the observation hole, which is convenient for observing whether the liquid in the ore washing tank 1 is turbid. A water replenishing pipe 27 located below the fine filter plate 9 is fixedly installed on the left outer wall of the ore washing tank 1. A water replenishing valve is fixedly installed on the water replenishing pipe 27. The setting of the water replenishing pipe 27 and the water replenishing valve facilitates the addition of clean water into the ore washing tank 1. It should be noted that the water replenishing pipe 27 is fixedly connected to an external clean water pipeline. A waste discharge pipe 28 located below the fine filter plate 9 is fixedly installed on the front outer wall of the ore washing tank 1. A waste discharge valve is fixedly installed on the waste discharge pipe 28. The setting of the waste discharge pipe 28 and the waste discharge valve facilitates the discharge of the liquid in the ore washing tank 1, and thus realizes the function of conveniently replacing the liquid. A cleaning opening located above the fine filter plate 9 is opened on the front inner wall of the ore washing tank 1. A cover plate 29 is fixedly installed on the front outer wall of the ore washing tank 1 by screws. The cover plate 29 is adapted to the cleaning opening. The setting of the cover plate 29 and the cleaning opening facilitates the cleaning of the soil and dust intercepted and filtered on the upper surface of the fine filter plate 9.

[0034] In this embodiment, a maintenance opening communicating with the third annular screen 18 is opened on the right inner wall of the ore classification cylinder 2. A maintenance door 30 is fixedly installed on the right outer wall of the ore classification cylinder 2 by screws. The maintenance door 30 is adapted to the maintenance opening. The setting of the maintenance opening and the maintenance door 30 facilitates the maintenance of the first annular screen 16, the second annular screen 17, the third annular screen 18, and the external gear ring 20. A blocking plate 31 is fixedly installed on the left side wall of the maintenance door 30. The blocking plate 31 is slidably installed in the maintenance opening. The blocking plate 31 is used to block the maintenance opening. During the ore classification, screening, and filtering, ores with large particle sizes will not enter the maintenance opening.

[0035] In this embodiment, it should be noted that the vibration motor 6, the booster water pump 10, and the motor 21 can all be purchased in the market. The wiring and control methods of the vibration motor 6, the booster water pump 10, and the motor 21 belong to the mature technologies in this field and are fully disclosed. Therefore, no further description will be made herein.

[0036] With the above structure, when the mine exploitation anti-blocking ore grading device provided by the present application is in use, it can comprehensively and effectively wash the ore, filter and separate the soil and dust in the ore, and can control the continuously cleaned ore to enter the ore grading cylinder 2 for grading and screening operations. It has an effective anti-blocking effect, ensures the smooth progress of the ore grading and screening operations, and improves the efficiency of the ore grading and screening. During specific operations, start the booster water pump 10, the vibration motor 6, and the motor 21 to run. The operation of the booster water pump 10 can pump the clear water in the ore washing tank 1, so that the clear water sprays out from multiple nozzles 13. Utilize the vibration force generated when the vibration motor 6 runs, and cooperate with the retractable characteristics of the four retractable hanging brackets 4 to control the reciprocating movement of the coarse filter plate 5 in the vertical direction. Utilize the motor 21 to control the rotation of the gear 22. Through the meshing and transmission of the gear 22 and the external gear ring 20, the first annular screen 16, the second annular screen 17, and the third annular screen 18 can be controlled to rotate simultaneously. Pour the mined ore continuously from the feed hopper 3 into the interior of the ore washing tank 1. The ore falls onto the coarse filter plate 5. In the state of the reciprocating movement of the coarse filter plate 5 in the vertical direction, the ore can be made to jump slightly under the vibration force on the coarse filter plate 5, collide with each other, and roll along the inclined direction of the coarse filter plate 5. The clear water sprayed out from multiple nozzles 13 can comprehensively and effectively wash the ore, wash away the soil and dust on the surface of the ore, and separate the ores adhered together. Furthermore, the soil and dust in the ore can be washed and filtered more comprehensively and thoroughly. The sewage with soil and dust washed away falls through the filter holes on the coarse filter plate 5 onto the fine filter plate 9. The fine filter plate 9 can be used to intercept and filter the soil and dust in the water, so that the filtered water liquid falls through the filter holes on the fine filter plate 9, and the soil and dust remain above the fine filter plate 9. Furthermore, the function of recycling water resources is also realized, and the effect of saving water is achieved;

[0037] The washed and filtered ore continuously passes through the material guiding plate 8 and first falls into the continuously rotating first annular sieve 16. The first annular sieve 16 can be used to screen out the ore with small particle sizes, so that the ore with small particle sizes is discharged from the first discharge hood 23. The ore with medium particle sizes and the ore with large particle sizes continuously enter the continuously rotating second annular sieve 17. The second annular sieve 17 can be used to screen out the ore with medium particle sizes, so that the ore with medium particle sizes is discharged from the second discharge hood 24. The ore with large particle sizes continuously enters the continuously rotating third annular sieve 18. The ore with large particle sizes can pass through the sieve holes on the third annular sieve 18 and is discharged from the third discharge hood 25. Furthermore, a comprehensive and effective classification and screening operation of the ore can be realized, ensuring the smooth progress of the classification and screening operation of the ore, having an effective anti-blocking effect, and improving the classification and screening efficiency of the ore.

Claims

1. A device for preventing blockage in mining and ore classification, characterized in that: The invention comprises an ore cleaning box (1) and an ore grading cylinder (2) fixedly mounted on the right outer wall of the ore cleaning box (1), the left side of the ore grading cylinder (2) being an open structure, a feed hopper (3) being fixedly mounted on the top of the ore cleaning box (1), four retractable hangers (4) being symmetrically distributed in pairs are arranged on the top inner wall of the ore cleaning box (1), a same coarse filter plate (5) being fixedly mounted at the bottom ends of the four retractable hangers (4), the coarse filter plate (5) being arranged in an inclined manner, a vibration motor (6) being fixedly mounted at the bottom of the coarse filter plate (5), and a right side wall of the ore cleaning box (1) being provided with a cam shaped like a quarry. The ore classification cylinder (2) is provided with a feed inlet (7) connected to the inside of the ore classification cylinder (2), a guide plate (8) is fixedly installed on the right side of the coarse filter plate (5), the right side of the guide plate (8) passes through the feed inlet (7) and extends into the ore classification cylinder (2), a fine filter plate (9) is fixedly installed in the ore cleaning box (1) and is located below the coarse filter plate (5), the ore cleaning box (1) is filled with clean water located below the fine filter plate (9), the ore cleaning box (1) is provided with a flushing mechanism for washing away dirt and dust on the ore, and the ore classification cylinder (2) is provided with a grading screening mechanism for screening and separating the ore according to the particle size of the ore.

2. The device for preventing blockage in mining according to claim 1 is characterized in that: The telescopic hanger (4) comprises a hanging column (41), a telescopic rod (43) and a spring (44); the hanging column (41) is fixedly mounted on the top inner wall of the ore cleaning box (1); a vertical slot (42) is provided at the bottom end of the hanging column (41); the top end of the telescopic rod (43) is slidably mounted in the vertical slot (42); the bottom end of the telescopic rod (43) is fixedly connected to the top of the coarse filter plate (5); the bottom end of the spring (44) is fixedly connected to the top end of the telescopic rod (43); and the top end of the spring (44) is fixedly connected to the top inner wall of the vertical slot (42).

3. The device for preventing blockage in mining according to claim 2 is characterized in that: Guide grooves are provided on both inner walls of the vertical groove (42), and guide blocks are fixedly mounted on both sides of the top of the telescopic rod (43), and the two guide blocks are respectively slidably mounted in the corresponding guide grooves.

4. The device for preventing blockage in mining according to claim 1 is characterized in that: The flushing mechanism comprises a booster water pump (10), a water suction pipe (11), a water outlet pipe (12) and a plurality of nozzles (13); the booster water pump (10) is fixedly mounted on the left outer wall of the ore cleaning box (1); one end of the water suction pipe (11) is fixedly connected to the suction end of the booster water pump (10); one end of the water suction pipe (11) away from the booster water pump (10) extends into the ore cleaning box (1) and is located below the fine filter plate (9); the water outlet pipe One end of the water outlet pipe (12) is fixedly connected to the discharge end of the booster water pump (10), one end of the water outlet pipe (12) away from the booster water pump (10) extends into the ore washing box (1) and is located above the coarse filter plate (5), the feed hopper (3) is located behind the water outlet pipe (12), a plurality of the nozzles (13) are fixedly mounted on the water outlet pipe (12) and are distributed at equal intervals, and the plurality of the nozzles (13) are located in the ore washing box (1).

5. The device for preventing blockage in mining according to claim 1 is characterized in that: The grading and screening mechanism comprises a first annular screen (16), a second annular screen (17), a third annular screen (18), two positioning rings (19), an outer gear ring (20), a motor (21) and a gear (22); the first annular screen (16), the second annular screen (17) and the third annular screen (18) are all located in the ore grading cylinder (2) and are arranged in an inclined manner; the sieve hole sizes of the first annular screen (16), the sieve hole sizes of the second annular screen (17) and the sieve hole sizes of the third annular screen (18) increase in sequence; the left outer wall of the first annular screen (16) is in sliding contact with the right outer wall of the ore washing box (1); the right side of the guide plate (8) extends into the first annular screen (16); the left outer wall of the second annular screen (17) is fixedly connected to the right outer wall of the first annular screen (16); the third annular screen (18) is in sliding contact with the right outer wall of the ore washing box (1); The left outer wall of the annular screen (18) is fixedly connected to the right outer wall of the second annular screen (17); the right outer wall of the third annular screen (18) is in sliding contact with the right inner wall of the ore classification cylinder (2); the two positioning rings (19) are rotatably sleeved on the right side of the first annular screen (16) and the right side of the second annular screen (17), respectively; the outer ring walls of the two positioning rings (19) are fixedly connected to the inner wall of the ore classification cylinder (2); the outer gear ring (20) is fixedly sleeved on the third annular screen (18); the motor (21) is fixedly mounted on the top of the ore classification cylinder (2); the gear (22) is fixedly mounted on the output shaft end of the motor (21); an avoidance hole is opened on the inner wall of the top of the ore classification cylinder (2); the bottom of the gear (22) passes through the avoidance hole and meshes with the outer gear ring (20).

6. The device for preventing blockage in mining according to claim 5 is characterized in that: A first discharge cover (23), a second discharge cover (24) and a third discharge cover (25) are fixedly mounted on the bottom of the ore classification cylinder (2); the first discharge cover (23) is located directly below the first annular screen (16); the second discharge cover (24) is located directly below the second annular screen (17); and the third discharge cover (25) is located directly below the third annular screen (18).

7. The device for preventing blockage in mining according to claim 1 is characterized in that: A plurality of blocking bars (14) are fixedly mounted at equal intervals on the top of the coarse filter plate (5), the height of the blocking bars (14) being set at 2-6 mm, and a water retaining plate (15) is fixedly mounted on the bottom of the material guide plate (8).

8. The device for preventing blockage in mining according to claim 1 is characterized in that: An observation hole located below the fine filter plate (9) is formed on the front inner wall of the ore cleaning box (1), and an observation mirror (26) is fixedly mounted in the observation hole. A water supply pipe (27) located below the fine filter plate (9) is fixedly mounted on the left outer wall of the ore cleaning box (1), and a water supply valve is fixedly mounted on the water supply pipe (27). A residual discharge pipe (28) located below the fine filter plate (9) is fixedly mounted on the front outer wall of the ore cleaning box (1), and a residual discharge valve is fixedly mounted on the residual discharge pipe (28). A cleaning port located above the fine filter plate (9) is formed on the front inner wall of the ore cleaning box (1), and a cover plate (29) is fixedly mounted on the front outer wall of the ore cleaning box (1) by screws, and the cover plate (29) is adapted to the cleaning port.

9. The device for preventing blockage in mining according to claim 5, characterized in that: An inspection port connected to the third annular screen (18) is provided on the right inner wall of the ore classification cylinder (2); an inspection door (30) is fixedly mounted on the right outer wall of the ore classification cylinder (2) by screws, the inspection door (30) being adapted to the inspection port; a blocking plate (31) is fixedly mounted on the left wall of the inspection door (30), the blocking plate (31) being slidably mounted in the inspection port.

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