Fine iron powder grinding device

Abstract

The utility model provides a fine iron powder grinding device, which belongs to the technical field of fine iron powder processing, and comprises a barrel, a plurality of groups of support columns are fixedly mounted at the bottom of the barrel, a discharge hopper is mounted at the discharge end of the barrel, a motor and a feed hopper are respectively mounted at the top of the barrel, and the feed hopper is mounted at the discharge end of the barrel. A mounting seat and a filter plate are fixedly mounted on the inner wall of the cylinder body, and a grinding cylinder is rotationally connected to the inner wall of the mounting seat. According to the fine iron powder grinding device, the output end of the motor drives the grinding roller to rotate continuously through the first rotating shaft, meanwhile, the first belt wheel drives the second belt wheel to rotate through the belt, the second rotating shaft drives the gear ring to rotate through the gear, finally, the grinding barrel and the grinding roller rotate at the same time, and grinding of iron ore is accelerated; through the mutual linkage effect of the components, the grinding cylinder and the grinding roller can rotate at the same time through a power driving device, so that the grinding efficiency is improved, and the use cost is reduced by reducing the use of a power device.

Description

Technical Field

[0001] The utility model relates to the technical field of iron ore concentrate processing, in particular to an iron ore concentrate grinding device. Background Art

[0002] Iron ore concentrate is the main raw material for pelletizing. It is the ore powder processed by crushing, grinding and beneficiation of iron ore. The large pieces of iron ore are evenly fed into the jaw crusher by the vibrating feeder through the silo for coarse crushing. The coarsely crushed stone is sent to the fine crusher by the belt conveyor for further crushing; the finely crushed stone is sent to the iron ore primary separator by the belt conveyor for lean ore enrichment and waste rock removal. The iron ore after primary selection is then sent to the grinding equipment by the conveyor for grinding. The qualified materials that reach a certain decomposition particle size are sorted by the screening machine.

[0003] The existing Chinese patent publication number CN220861661U discloses a crushing device for producing ultrafine iron ore concentrate, including a mounting box, L-shaped columns are fixedly installed on both sides of the inner wall of the mounting box, first springs are fixedly installed on the tops of the two L-shaped columns, a mounting frame is fixedly connected to the top of the first spring, a grinding assembly is arranged on the inner side of the mounting frame, the grinding assembly includes a grinding shell fixedly installed on the inner side wall of the mounting frame, a U-shaped frame is fixedly installed on the top of the mounting frame, a first motor is fixedly installed on the top of the U-shaped frame through a connecting frame, a first rotating rod is fixedly installed on the output end of the first motor, and the bottom of the first rotating rod extends to the inside of the grinding shell and is fixedly installed with grinding balls.

[0004] Another problem with the above device is that during the grinding process of the iron ore concentrate grinding device, only the grinding device squeezes the crushed iron ore against the inner wall of the grinding shell, and the grinding shell is in a fixed state, resulting in low grinding efficiency of the grinding device.

[0005] Therefore, it is necessary to provide an iron ore concentrate grinding device to solve the above technical problems. Utility Model Content

[0006] The utility model provides an iron concentrate grinding device, which solves the problem of low grinding efficiency of the grinding device.

[0007] To solve the above technical problems, the utility model provides an iron ore concentrate grinding device comprising: a cylinder, a plurality of groups of supporting columns are fixedly installed on the bottom of the cylinder, a lower hopper is installed on the discharge end of the cylinder, a motor and a feed hopper are respectively installed on the top of the cylinder, a mounting seat and a filter plate are respectively fixedly installed on the inner wall of the cylinder, a grinding cylinder is rotatably connected to the inner wall of the mounting seat, a guide plate is fixedly installed on the top of the grinding cylinder, a gear ring is fixedly installed on the outer wall of the upper end of the grinding cylinder, the output end of the motor passes through the interior of the cylinder and is fixedly installed with a rotating shaft 1, a grinding roller is fixedly installed on the bottom of the rotating shaft 1, a pulley 1 is fixedly installed on the outer wall of the rotating shaft 1, a rotating shaft 2 is rotatably connected to the inner wall of the cylinder, a pulley 2 is fixedly installed on the outer wall of the rotating shaft 2, a belt is installed between the pulley 1 and the pulley 2, a gear is fixedly installed on the bottom of the rotating shaft 2, and the gear is meshingly connected with the gear ring.

[0008] Preferably, a transmission rod is fixedly mounted on the bottom of the grinding roller, a circular plate is fixedly mounted on the bottom of the transmission rod, a plurality of groups of stirring rods are evenly mounted on the outer wall of the circular plate, and the stirring rods are in close contact with the top of the filter plate.

[0009] Preferably, a dust suction device is installed on the outer wall of the cylinder, a dust suction pipe is installed at the entrance end of the dust suction device, and a dust suction hood is installed at the bottom of the dust suction pipe.

[0010] Preferably, a side door is installed on the outer wall of the cylinder, and a handle is installed on the outer wall of the side door.

[0011] Preferably, the motor and the dust collecting device are both electrically connected to an external power source.

[0012] Compared with the related art, the iron ore concentrate grinding device provided by the utility model has the following beneficial effects:

[0013] The utility model provides an iron ore concentrate grinding device, wherein the output end of a motor drives a grinding roller to rotate continuously through a rotating shaft 1, and at the same time, a pulley 1 drives a pulley 2 to rotate through a belt, so that the rotating shaft 2 drives a gear ring to rotate through a gear, and finally the grinding drum and the grinding roller rotate at the same time, thereby accelerating the grinding of iron ore. Through the mutual linkage of the above components, the grinding drum and the grinding roller can be rotated at the same time through a power drive device, which not only improves the grinding efficiency, but also reduces the use of a power device and reduces the use cost in disguise. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic structural diagram of a preferred embodiment of the iron ore concentrate grinding device provided by the utility model;

[0015] Figure 2 for Figure 1 The schematic diagram of the internal structure of the cylinder shown;

[0016] Figure 3 for Figure 1 The schematic diagram of the internal structure of the grinding cylinder shown;

[0017] Figure 4 for Figure 2 An enlarged schematic diagram of part A is shown;

[0018] Figure 5 for Figure 2 An enlarged schematic diagram of part B is shown.

[0019] Numbers in the figure:

[0020] 1. Cylinder, 2. Feed hopper, 3. Motor, 4. Dust collection device, 5. Side door, 6. Handle, 7. Lower hopper, 8. Support column, 9. Gear ring, 10. Grinding cylinder, 11. Mounting seat, 12. Transmission rod, 13. Filter plate, 14. Round plate, 15. Stirring rod, 16. Grinding roller, 17. Dust collection hood, 18. Dust collection pipe, 19. Belt, 20. Gear, 21. Guide plate, 22. Pulley 1, 23. Rotating shaft 1, 24. Pulley 2, 25. Rotating shaft 2. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of the iron ore concentrate grinding device provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the internal structure of the cylinder shown; Figure 3 for Figure 1 The schematic diagram of the internal structure of the grinding cylinder shown;

[0023] Figure 4 for Figure 2 An enlarged schematic diagram of part A is shown; Figure 5 for Figure 2The iron concentrate grinding device comprises: a cylinder 1, a plurality of support columns 8 are fixedly mounted on the bottom of the cylinder 1, a lower hopper 7 is mounted on the discharge end of the cylinder 1, a motor 3 and a feed hopper 2 are respectively mounted on the top of the cylinder 1, a mounting seat 11 and a filter plate 13 are respectively fixedly mounted on the inner wall of the cylinder 1, the mounting seat 11 is annular, a grinding cylinder 10 is rotatably connected to the inner wall of the mounting seat 11, a guide plate 21 is fixedly mounted on the top of the grinding cylinder 10, a gear ring 9 is fixedly mounted on the outer wall of the upper end of the grinding cylinder 10, and the output of the motor 3 The end passes through the interior of the cylinder 1 and is fixedly installed with a rotating shaft 23, a grinding roller 16 is fixedly installed at the bottom of the rotating shaft 23, the grinding roller 16 is located inside the grinding cylinder 10, a pulley 22 is fixedly installed on the outer wall of the rotating shaft 23, a rotating shaft 25 is rotatably connected to the inner wall of the cylinder 1, a pulley 24 is fixedly installed on the outer wall of the rotating shaft 25, a belt 19 is installed between the pulley 1 22 and the pulley 24, a gear 20 is fixedly installed at the bottom of the rotating shaft 25, and the gear 20 is meshed with the gear ring 9.

[0024] A transmission rod 12 is fixedly installed at the bottom of the grinding roller 16, and a circular plate 14 is fixedly installed at the bottom of the transmission rod 12. A plurality of stirring rods 15 are evenly installed on the outer wall of the circular plate 14. The stirring rods 15 are in contact with the top of the filter plate 13. When the motor 3 drives the grinding roller 16 to rotate, the transmission rod 12 drives the plurality of stirring rods 15 through the circular plate 14 to stir the ground iron ore powder on the upper part of the filter plate 13, thereby accelerating the iron ore powder with particle size meeting the requirements to pass through the filter plate 13.

[0025] A dust suction device 4 is installed on the outer wall of the cylinder 1 , a dust suction pipe 18 is installed at the entrance end of the dust suction device 4 , a dust suction cover 17 is installed at the bottom of the dust suction pipe 18 , and the dust suction pipe 18 passes through the mounting seat 11 .

[0026] The outer wall of the cylinder 1 is provided with a side door 5 , and the outer wall of the side door 5 is provided with a handle 6 , through which the side door 5 can be opened, so as to facilitate the cleaning of the iron ore powder blocks filtered off the filter plate 13 .

[0027] The motor 3 and the dust collecting device 4 are both electrically connected to an external power source.

[0028] The working principle of the iron ore concentrate grinding device provided by the utility model is as follows: the crushed iron ore is fed into the space between the grinding drum 10 and the grinding roller 16 through the feed hopper 2, the output end of the motor 3 drives the grinding roller 16 to rotate continuously through the rotating shaft 1 23, and at the same time, the pulley 1 22 drives the pulley 2 24 to rotate through the belt 19, so that the rotating shaft 25 drives the gear ring 9 to rotate through the gear 20, and finally the grinding drum 10 and the grinding roller 16 rotate at the same time, thereby accelerating the grinding of the iron ore.

[0029] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An iron ore concentrate grinding device, characterized in that: include: A cylinder (1), wherein a plurality of groups of support columns (8) are fixedly mounted on the bottom of the cylinder (1), a lower hopper (7) is mounted on the discharge end of the cylinder (1), a motor (3) and a feed hopper (2) are respectively mounted on the top of the cylinder (1), a mounting seat (11) and a filter plate (13) are respectively fixedly mounted on the inner wall of the cylinder (1), a grinding cylinder (10) is rotatably connected to the inner wall of the mounting seat (11), a guide plate (21) is fixedly mounted on the top of the grinding cylinder (10), a gear ring (9) is fixedly mounted on the outer wall of the upper end of the grinding cylinder (10), and the output end of the motor (3) is connected to the filter plate (13) via a plurality of guide plates (21) on the inner wall of the grinding cylinder (10). A rotating shaft (23) is inserted into the cylinder (1) and fixedly installed thereon. A grinding roller (16) is fixedly installed at the bottom of the rotating shaft (23). A belt pulley (22) is fixedly installed on the outer wall of the rotating shaft (23). A rotating shaft (25) is rotatably connected to the inner wall of the cylinder (1). A belt pulley (24) is fixedly installed on the outer wall of the rotating shaft (25). A belt (19) is installed between the belt pulley (22) and the belt pulley (24). A gear (20) is fixedly installed at the bottom of the rotating shaft (25). The gear (20) is meshed with the gear ring (9).

2. The iron ore concentrate grinding device according to claim 1, characterized in that: A transmission rod (12) is fixedly mounted on the bottom of the grinding roller (16), a circular plate (14) is fixedly mounted on the bottom of the transmission rod (12), a plurality of groups of stirring rods (15) are evenly mounted on the outer wall of the circular plate (14), and the stirring rods (15) are in close contact with the top of the filter plate (13).

3. The iron ore concentrate grinding device according to claim 1, characterized in that: A dust suction device (4) is installed on the outer wall of the cylinder (1), a dust suction pipe (18) is installed at the entrance end of the dust suction device (4), and a dust suction cover (17) is installed at the bottom of the dust suction pipe (18).

4. The iron ore concentrate grinding device according to claim 1, characterized in that: A side door (5) is installed on the outer wall of the cylinder (1), and a handle (6) is installed on the outer wall of the side door (5).

5. The iron ore concentrate grinding device according to claim 1, characterized in that: The motor (3) and the dust collecting device (4) are both electrically connected to an external power source.

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