Vertical pulverizer for ore

Abstract

The invention relates to a vertical ore pulverizer which comprises a pulverizer body and a base, the pulverizer body is fixedly installed at the top of the base, a second motor is further installed at the top of the pulverizer body, the second motor and a speed reducer in the pulverizer body are combined for use to drive a millstone to rotate, and a plurality of arc-shaped protrusions are installed at the top of the millstone. The driving mechanism, the grinding structure, the uniform smearing assembly and the locking structure are arranged, adjustment can be carried out through work of the driving mechanism and the angle of a driving arm, the distance between the grinding roller and the grinding disc can be adjusted, the grinding pressure between the grinding roller and the grinding disc is increased or reduced, and therefore the grinding efficiency is improved, meanwhile, the flowability of materials is guaranteed, and the grinding efficiency is improved. The position of the L-shaped connecting block is driven to be adjusted while the angle of the driving arm is adjusted, so that the position of the mounting frame moves up and down, materials flowing on the millstone are smeared evenly, and the grinding efficiency is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of grinding mills, in particular to a vertical grinding mill for ore. Background Art

[0002] Grinding mills are widely used in the grinding of mineral products in the fields of metallurgy, building materials, chemical industry, mining, etc. According to the fineness of the material to be ground and the fineness of the discharged material, grinding mills can be divided into six types: vertical swing grinding mill, high-pressure suspension roller grinding mill, high-pressure micro powder grinding mill, straight-through centrifugal grinding mill, overpressure trapezoidal grinding mill, and three-ring medium-speed grinding mill. In the process of ore processing, grinding is an important link. With the continuous advancement of science and technology, the market demand for high-efficiency, energy-saving and environmentally friendly ore grinding mills is becoming increasingly urgent.

[0003] The existing vertical grinding mill is not convenient for adjusting the gap between the grinding roller and the grinding disc during the grinding process of ore. Since the ore on the grinding disc will be stacked together, the grinding roller will be subjected to different pressures during the grinding process, resulting in reduced grinding efficiency of the grinding roller. In addition, the grinding roller will increase the degree of wear when grinding for a long time. Summary of the invention

[0004] In order to solve the problems raised in the above background technology, the present invention provides a vertical grinding mill for ore.

[0005] The present invention provides a vertical grinding mill for ore, which adopts the following technical solution: A vertical grinding mill for ore, comprising a body and a base, wherein the body is fixedly mounted on the top of the base, a second motor is also mounted on the top of the body, the second motor is used in combination with a reducer inside the body to drive a grinding disc to rotate, a discharging mechanism is arranged on the top of the body, a plurality of arc-shaped protrusions are mounted on the top of the grinding disc, a driving mechanism is also fixedly mounted on the top of the base, the driving mechanism drives a driving arm to adjust its position, the driving arm is mounted on a grinding structure inside the body, a locking assembly is fixedly mounted on the outer wall of the body, and the locking assembly limits and locks the driving arm, and a feeding mechanism is mounted at an opening of one side wall of the body; The driving mechanism comprises two support seats and a first motor, wherein the first motor is mounted on one of the support seats, the output end of the first motor is mounted on one end of the worm, the other end of the worm is mounted on a bearing seat mounted on the other support seat through a bearing, two symmetrical turbines are arranged on the worm, and the corresponding worm wheels are meshed with the corresponding gears, the gears are mounted on one end of a connecting rod, one end of the connecting rod is rotatably mounted between a driving arm, and one end of the driving arm is rotatably mounted between a shaft and a mounting seat; The grinding mechanism includes a driving arm and a grinding roller. The top of the driving arm is fixedly connected to an L-shaped connecting block, one end of the L-shaped connecting block is installed between the smoothing component, and the driving arm is also installed between the connecting head through an axle rod, and one end of the connecting head is rotatably installed between the grinding roller.

[0006] Preferably, the locking assembly includes a fixed seat fixedly mounted on the outer wall of the body, two cylinders are fixedly mounted on the fixed seat, the output ends of the cylinders are fixedly mounted between the pressure seat, a rack plate is provided at the bottom of the pressure seat, and the convex teeth on the rack plate are inserted into corresponding tooth grooves opened on the gear.

[0007] Preferably, the smoothing assembly includes a mounting frame, two symmetrical movable seats are provided on the top of the mounting frame, and the movable seats are rotatably installed between the L-shaped connecting block, a limiting rod is passed through the corresponding through hole opened on the mounting frame, and one end of the limiting rod is fixedly installed between the fixed block, a spring is provided at a section of the limiting rod, and one end of the spring is connected to the bottom of the mounting frame, and the other end is fixedly installed between the fixed block, one end of the fixed block is fixedly installed on the inner wall of the machine body, a fixing rod is fixedly installed on the bottom of the mounting frame, one end of the fixing rod is fixedly installed between the smoothing block, and a metal brush is provided at the bottom of the smoothing block.

[0008] Preferably, the feeding mechanism includes a feeding pipe arranged at the feeding port of the machine body, a third motor is fixedly mounted on the outer wall boss of the feeding pipe, the output end of the third motor is mounted on one end of a spiral feeding rod, the spiral feeding rod is located in the feeding pipe, a first transmission wheel is also arranged at the output end of the third motor, a belt is installed between the first transmission wheel and the second transmission wheel, one end of the second transmission wheel is connected to a rotating rod, one end of the rotating rod is mounted on a bearing seat on the inner wall of the feeding pipe through a bearing, two cams are fixedly mounted on the rotating rod, a protrusion is fixedly mounted on the inner wall of the feeding pipe, a spring rod is fixedly mounted on the protrusion, the top end of the spring rod is mounted between the screening net, and a discharge port is also arranged on the side wall of the feeding pipe at the screening net.

[0009] Preferably, the discharging mechanism includes a discharging pipe fixedly installed at the discharging port on the top of the machine body, and a fourth motor is fixedly installed on the top of the discharging pipe, the output end of the fourth motor is connected to one end of the shaft rod, and the other end of the shaft rod is installed between the separator.

[0010] In summary, the present invention includes the following beneficial technical effects: The present invention is provided with a driving mechanism, a grinding structure, a smoothing component and a locking structure. Through the operation of the driving mechanism, the angle of the driving arm can be adjusted. After the angle of the driving arm is adjusted, the distance between the grinding roller and the grinding disc can be adjusted to increase or decrease the grinding pressure between the grinding roller and the grinding disc, thereby improving the grinding efficiency and ensuring the fluidity of the material. Moreover, when the angle of the driving arm is adjusted, the position of the L-shaped connecting block is also adjusted, so that the position of the mounting frame moves up and down, thereby smoothing the material flowing on the grinding disc, further improving the grinding efficiency. After the adjustment, the locking structure is used to clamp the gear installed on the connecting rod connected to one end of the protruding rod on the side wall of the driving arm, thereby locking the driving arm to prevent the driving arm from shifting during the grinding process and improve the grinding quality.

[0011] In the feeding mechanism provided in the present invention, a spiral feeding rod connected at one end is driven to feed materials inside the feeding pipe by driving a third motor, and at the same time, a rotating rod is driven to rotate through the action of the first transmission wheel, the belt, and the second transmission wheel, so that the rotating rod drives two cams to rotate to knock the screening net provided at the bottom of the feeding port, so that the screening net vibrates up and down under the action of the spring rod provided at the bottom, thereby screening the materials entering the feeding port, so that larger materials are discharged from the discharging port, and smaller materials are evenly discharged onto the grinding disc through the spiral stirring rod, thereby improving the efficiency of the grinding roller grinding the materials on the grinding disc, preventing the materials from being quickly accumulated on the grinding disc, resulting in insufficient grinding of the grinding roller and reduced grinding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of a vertical grinding mill for ore in an embodiment of the present invention; Figure 2 is a schematic diagram of the position structure of the locking assembly in an embodiment of the present invention; Figure 3 is a cross-sectional view of the internal structure of a machine body in an embodiment of the present invention; Figure 4 is a schematic diagram of the position structure of the grinding disc in an embodiment of the present invention; Figure 5 In the embodiment of the present invention Figure 2 A magnified view of the structure at A; Figure 6 In the embodiment of the present invention Figure 3 A magnified view of the structure at B; Figure 7 is a schematic structural diagram of a smoothing component in an embodiment of the present invention; Figure 8 It is a structural cross-sectional view of the feeding mechanism in an embodiment of the present invention.

[0013] Explanation of the accompanying drawings: 1. body; 2. mounting seat; 3. driving arm; 4. L-shaped connecting block; 5. fixing seat; 6. worm; 7. supporting seat; 8. first motor; 9. gear; 10. connecting rod; 11. grinding roller; 12. connecting head; 13. grinding disc; 14. arc-shaped protrusion; 15. second motor; 16. mounting frame; 17. limiting rod; 18. fixing block; 19. spring; 20. fixing rod; 21. leveling block; 22. movable seat; 23. cylinder; 24. pressure seat; 25. rack plate; 26. feeding pipe; 27. screening net; 28. spring rod; 29. ​​third motor; 30. spiral feeding rod; 31. first transmission wheel; 32. belt; 33. second transmission wheel; 34. rotating rod; 35. cam; 36. discharge pipe; 37. fourth motor; 38. separator. DETAILED DESCRIPTION

[0014] The following is combined with Figure 1 —8 The present invention is described in further detail.

[0015] The embodiment of the present invention discloses a vertical grinding mill for ore, comprising a machine body 1 and a base, wherein the machine body 1 is fixedly mounted on the top of the base, a second motor 15 is also mounted on the top of the machine body 1, and the second motor 15 is used in combination with a reducer inside the machine body 1 to drive a grinding disc 13 to rotate, a discharging mechanism is arranged on the top of the machine body 1, a plurality of arc-shaped protrusions 14 are mounted on the top of the grinding disc 13, a driving mechanism is also fixedly mounted on the top of the base, and the driving mechanism drives a driving arm 3 to adjust its position, the driving arm 3 is mounted on the grinding structure inside the machine body 1, and a lock is fixedly mounted on the outer wall of the machine body 1 A tightening assembly is provided, and the locking assembly limits and locks the driving arm 3. A feeding mechanism is installed at an opening of one side wall of the machine body 1; the driving mechanism includes two supporting seats 7 and a first motor 8, one of which is installed with the first motor 8, the output end of the first motor 8 is installed with one end of the worm 6, and the other end of the worm 6 is installed with a bearing seat installed on the other supporting seat 7 through a bearing, and two symmetrical turbines are provided on the worm 6, and the corresponding worm wheels are meshed with the corresponding gears 9, and the gears 9 are installed with one end of the connecting rod 10, and one end of the connecting rod 10 is connected to the driving arm 3. The drive arm 3 is rotatably installed between the two support seats 7, and one end of the drive arm 3 is rotatably installed between the shaft and the mounting seat 2; more specifically, the first motor 8 is driven to drive the worm 6 to rotate between the two support seats 7, so that the rotation of the worm 6 drives the gear 9 to rotate, and the rotation of the gear 9 causes the connecting rod 10 to rotate and drive the drive arm 3 to rotate between the two mounting seats 2, thereby driving the grinding roller 11 to move and adjust the gap between the grinding disc 13, thereby increasing or reducing the grinding pressure between the grinding roller 11 and the grinding disc 13, so that the grinding efficiency is improved, while ensuring the fluidity of the material. The grinding mechanism includes a drive arm 3 and a grinding Roller 11, the top of the driving arm 3 is fixedly connected with an L-shaped connecting block 4, one end of the L-shaped connecting block 4 is installed between the smoothing component, and the driving arm 3 is also installed between the connecting head 12 through an axle rod, and one end of the connecting head 12 is rotatably installed between the grinding roller 11. More specifically, by arranging a plurality of arc-shaped protrusions 14 on the top of the grinding disc 13, when the second motor 15 and the reducer are used in combination to drive the grinding disc 13 to rotate, the material on the grinding disc 13 will flow outward along the arc-shaped protrusions 14, so that it flows to the grinding area between the grinding roller 11 and the grinding disc 13, thereby improving the grinding efficiency.

[0016] refer to Figure 2 and Figure 5The locking assembly includes a fixing seat 5 fixedly mounted on the outer wall of the machine body 1, and two cylinders 23 are fixedly mounted on the fixing seat 5. The output end of the cylinder 23 is fixedly mounted between a pressure seat 24, and a rack plate 25 is arranged at the bottom of the pressure seat 24, and the convex teeth on the rack plate 25 are inserted into the corresponding tooth grooves opened on the gear 9. More specifically, after adjusting the driving arm 3, the two cylinders 23 arranged on the driving fixing seat 5 are driven to drive the pressure seat 24 connected at the bottom to be pressed down by the two cylinders 23, so that the convex teeth on the rack plate 25 installed at the bottom of the pressure seat 24 are inserted into the corresponding tooth grooves opened on the gear 9, so that the connecting rod 10 is fixed, thereby locking the driving arm 3 to prevent the driving arm 3 from being offset during the grinding process, resulting in a decrease in the grinding quality.

[0017] refer to Figure 3 , Figure 6 and Figure 7 The smoothing assembly includes a mounting frame 16, two symmetrical movable seats 22 are arranged on the top of the mounting frame 16, and the movable seats 22 are rotatably mounted between the L-shaped connecting block 4, a limiting rod 17 is passed through the corresponding through hole opened on the mounting frame 16, and one end of the limiting rod 17 is fixedly installed between the fixing block 18, a spring 19 is arranged at a certain position on the limiting rod 17, and one end of the spring 19 is connected to the bottom of the mounting frame 16, and the other end is fixedly installed between the fixing block 18, one end of the fixing block 18 is fixedly installed on the inner wall of the machine body 1, and a fixing rod 20 is fixedly installed at the bottom of the mounting frame 16, and one end of the fixing rod 20 is fixedly installed with the smoothing block 2 1, a metal brush is arranged at the bottom of the smoothing block 21. More specifically, when the driving arm 3 is rotated to adjust the gap of the grinding roller 11, the L-shaped connecting block 4 arranged on the top of the driving arm 3 will rotate accordingly, so that the movable seat 22 connected to the other end squeezes the mounting frame 16, so that the mounting frame 16 moves downward and drives the smoothing block 21 installed at the bottom of the fixed rod 20 arranged at the bottom to move downward to adjust the gap, so that the metal brush arranged at the bottom of the smoothing block 21 smoothes the material on the grinding disc 13 when the grinding roller 11 is grinding, thereby improving the grinding efficiency of the grinding roller 11, preventing material stacking, and reducing the wear degree of the grinding roller 11.

[0018] refer to Figure 8The feeding mechanism includes a feeding pipe 26 arranged at the feeding port of the machine body 1, a third motor 29 is fixedly installed on the outer wall convex seat of the feeding pipe 26, the output end of the third motor 29 is installed with one end of a spiral feeding rod 30, the spiral feeding rod 30 is located in the feeding pipe 26, a first transmission wheel 31 is also arranged at the output end of the third motor 29, a belt 32 is installed between the first transmission wheel 31 and the second transmission wheel 33, one end of the second transmission wheel 33 is connected with a rotating rod 34, one end of the rotating rod 34 is installed with a bearing seat on the inner wall of the feeding pipe 26 through a bearing, two cams 35 are fixedly installed on the rotating rod 34, a convex block is fixedly installed on the inner wall of the feeding pipe 26, a spring rod 28 is fixedly installed on the convex block, the top of the spring rod 28 is installed between the screening net 27, and a discharge port is also arranged on the side wall of the feeding pipe 26 at the screening net 27, which is more Description of the body, when feeding into the body 1, the third motor 29 installed on the convex seat on the outer wall of the feed pipe 26 is driven, so that the third motor 29 drives the spiral feeding rod 30 connected at one end to rotate inside the feed pipe 26. While the third motor 29 is driving, the first transmission wheel 31 arranged at the output end drives the second transmission wheel 33 to rotate through the belt 32, so that the rotation rod 34 rotates and drives the two cams 35 to rotate to knock the screening net 27, so that the screening net 27 vibrates up and down under the action of the spring rod 28 arranged at the bottom, thereby screening the material at the feed port, so that larger materials are discharged from the discharge port, and smaller materials are evenly discharged to the grinding disc 13 through the spiral feeding rod 30, thereby improving the efficiency of the grinding roller 11 grinding the material on the grinding disc 13, preventing the material from quickly accumulating on the grinding disc 13, resulting in insufficient grinding of the grinding roller 11 and reducing the grinding quality.

[0019] refer to Figure 1 and Figure 3 The discharging mechanism includes a discharging pipe 36 fixedly installed at the discharging port on the top of the machine body 1, and a fourth motor 37 is fixedly installed on the top of the discharging pipe 36. The output end of the fourth motor 37 is connected to one end of the shaft, and the other end of the shaft is installed between a separator 38. More specifically, the fourth motor 37 is driven to rotate the separator 38 installed at the other end of the shaft to separate the ore powder ground inside the machine body 1. The ore powder that is not fully ground will fall onto the grinding disc 13 for re-grinding, and the fully ground ore powder will be discharged from the discharging pipe 36 for collection.

[0020] The implementation principle of a vertical grinding mill for ore in an embodiment of the present invention is as follows: when in use, feed into the inside of the machine body 1 through the feed pipe 26, drive the third motor 29, so that the third motor 29 drives the spiral feeding rod 30 connected at one end to rotate inside the feed pipe 26, and while the third motor 29 is driving, the first transmission wheel 31 arranged at the output end drives the second transmission wheel 33 to rotate through the belt 32, so that the rotation rod 34 rotates and drives the two cams 35 to rotate to knock the screening net 27, so that the screening net 27 vibrates up and down under the action of the spring rod 28 arranged at the bottom, thereby screening the material at the feed port, so that larger materials are discharged from the discharge port and smaller materials are discharged from the discharge port. The material is discharged onto the grinding disc 13 through the spiral feeding rod 30, thereby improving the efficiency of the grinding roller 11 grinding the material on the grinding disc 13 and preventing the material from quickly accumulating on the grinding disc 13, resulting in insufficient grinding of the grinding roller 11 and reduced grinding quality. Then, the second motor 15 is driven to be used in combination with the reducer inside the machine body 1 to drive the grinding disc 13 to rotate, and at the same time, the first motor 8 is driven to drive the worm 6 to rotate between the two support seats 7, so that the rotation of the worm 6 drives the gear 9 to rotate, and the rotation of the gear 9 also causes the connecting rod 10 to rotate and drive the driving arm 3 to rotate between the two mounting seats 2 to adjust the angle, so that the grinding roller 11 can move and adjust the gap between the grinding disc 13 to increase or decrease The grinding pressure between the small grinding roller 11 and the grinding disc 13 improves the grinding efficiency and ensures the fluidity of the material. Moreover, the position of the L-shaped connecting block 4 is adjusted while the angle of the driving arm 3 is adjusted, so that the other end of the L-shaped connecting block 4 is connected to interact and squeeze the mounting frame 16, so that the mounting frame 16 moves downward and drives the smoothing block 21 installed at the bottom of the fixing rod 20 arranged at the bottom to move downward to adjust the gap, so that the metal brush arranged at the bottom of the smoothing block 21 smoothes the material on the grinding disc 13 when the grinding roller 11 is grinding, thereby improving the grinding efficiency of the grinding roller 11 and preventing the material from stacking, reducing the wear of the grinding roller 11, and adjusting the driving arm 3. Afterwards, by driving the two cylinders 23 arranged on the fixed seat 5, the two cylinders 23 drive the pressure seat 24 connected at the bottom to be pressed down, so that the convex teeth on the rack plate 25 installed at the bottom of the pressure seat 24 are inserted into the corresponding tooth grooves opened on the gear 9, so that the connecting rod 10 is fixed, thereby locking the driving arm 3 to prevent the driving arm 3 from shifting during the grinding process, resulting in a decrease in grinding quality, and driving the fourth motor 37 to make the separator 38 installed at the other end of the shaft rotate to separate the ore powder ground inside the body 1, and the ore powder that is not fully ground will fall onto the grinding disc 13 for re-grinding, and the fully ground ore powder will be discharged from the discharge pipe 36 for collection.

[0021] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vertical grinding mill for ore, comprising a body (1) and a base, wherein the body (1) is fixedly mounted on the top of the base, a second motor (15) is also mounted on the top of the body (1), the second motor (15) is used in combination with a reducer inside the body (1) to drive a grinding disc (13) to rotate, a discharging mechanism is arranged on the top of the body (1), and a plurality of arc-shaped protrusions (14) are mounted on the top of the grinding disc (13), Features: A driving mechanism is also fixedly mounted on the top of the base, and the driving mechanism drives the position of the driving arm (3) to be adjusted. The driving arm (3) is mounted on the grinding structure in the machine body (1). A locking assembly is fixedly mounted on the outer wall of the machine body (1), and the locking assembly limits and locks the driving arm (3). A feeding mechanism is mounted at an opening of a side wall of the machine body (1); The driving mechanism comprises two support seats (7) and a first motor (8), wherein the first motor (8) is mounted on one of the support seats (7), the output end of the first motor (8) is mounted on one end of the worm (6), the other end of the worm (6) is mounted on a bearing seat mounted on the other support seat (7) via a bearing, the worm (6) is provided with two symmetrical turbines, and the corresponding worm wheels are meshed with the corresponding gears (9), the gears (9) are mounted on one end of a connecting rod (10), one end of the connecting rod (10) is rotatably mounted on the driving arm (3), and one end of the driving arm (3) is rotatably mounted on the mounting seat (2) via a shaft rod; The grinding mechanism comprises a driving arm (3) and a grinding roller (11); an L-shaped connecting block (4) is fixedly connected to the top of the driving arm (3); one end of the L-shaped connecting block (4) is installed between the smoothing component; the driving arm (3) is also installed between the connecting head (12) via a shaft; one end of the connecting head (12) is rotatably installed between the grinding roller (11).

2. A vertical grinding mill for ore according to claim 1, Features: The locking assembly comprises a fixing seat (5) fixedly mounted on the outer wall of the body (1), two cylinders (23) being fixedly mounted on the fixing seat (5), the output ends of the cylinders (23) being fixedly mounted between a pressure seat (24), a rack plate (25) being provided at the bottom of the pressure seat (24), and the protruding teeth on the rack plate (25) being inserted into corresponding tooth grooves provided on the gear (9).

3. A vertical grinding mill for ore according to claim 1, Features: The smoothing assembly comprises a mounting frame (16), the top of which is provided with two symmetrical movable seats (22), and the movable seats (22) are rotatably mounted between the L-shaped connecting block (4), a limiting rod (17) is passed through a corresponding through hole opened on the mounting frame (16), and one end of the limiting rod (17) is fixedly mounted between a fixing block (18), a spring (19) is provided at a section of the limiting rod (17), one end of the spring (19) is connected to the bottom of the mounting frame (16), and the other end is fixedly mounted between the fixing block (18), one end of the fixing block (18) is fixedly mounted on the inner wall of the machine body (1), a fixing rod (20) is fixedly mounted at the bottom of the mounting frame (16), one end of the fixing rod (20) is fixedly mounted between the smoothing block (21), and a metal brush is provided at the bottom of the smoothing block (21).

4. A vertical grinding mill for ore according to claim 1, Features: The feeding mechanism comprises a feeding pipe (26) arranged at the feeding port of the machine body (1); a third motor (29) is fixedly mounted on a convex seat on the outer wall of the feeding pipe (26); an output end of the third motor (29) is mounted on one end of a spiral feeding rod (30); the spiral feeding rod (30) is located in the feeding pipe (26); a first transmission wheel (31) is also arranged at the output end of the third motor (29); a belt (32) is installed between the first transmission wheel (31) and the second transmission wheel (33); and the second transmission wheel (33) is provided with a belt (32). One end of the transmission wheel (33) is connected to a rotating rod (34), one end of the rotating rod (34) is mounted on a bearing seat on the inner wall of the feed pipe (26) via a bearing, two cams (35) are fixedly mounted on the rotating rod (34), a convex block is fixedly mounted on the inner wall of the feed pipe (26), a spring rod (28) is fixedly mounted on the convex block, the top end of the spring rod (28) is mounted between the screening net (27), and a discharge port is also provided on the side wall of the feed pipe (26) at the screening net (27).

5. A vertical grinding mill for ore according to claim 1, Features: The discharge mechanism comprises a discharge pipe (36) fixedly mounted at the discharge port at the top of the machine body (1), a fourth motor (37) fixedly mounted at the top of the discharge pipe (36), an output end of the fourth motor (37) being connected to one end of a shaft, and the other end of the shaft being mounted between a separator (38).

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