Screening machine for producing fine iron powder

Abstract

The utility model provides a screening machine for producing fine iron powder, which belongs to the technical field of screening equipment and comprises an outer cylinder, a collecting cylinder and a separating cylinder, a feed hopper is mounted on the outer wall of one end of the outer cylinder, a motor is mounted on the outer wall of the other end of the outer cylinder, and the collecting cylinder is connected with the separating cylinder. According to the screening machine for producing the fine iron powder, the output end of the motor drives the reciprocating lead screw to continuously rotate through the second rotating shaft, so that the threaded sleeve drives the scraping plate to continuously and evenly spread the fine iron powder on the inner wall of the filtering barrel, the fine iron powder is evenly spread on the inner wall of the filtering barrel, and the fine iron powder is evenly spread on the outer wall of the filtering barrel. And meanwhile, the second rotating shaft drives the first rotating shaft to continuously rotate through the first linkage assembly, and the first rotating shaft drives the filter cartridge to continuously rotate through the meshing effect of the gear and the gear ring, so that the needed fine iron powder is screened out.

Description

Technical Field

[0001] The utility model relates to the technical field of screening equipment, in particular to a screening machine for iron ore concentrate production. 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 CN218743052U is a screening machine for iron ore concentrate production, including a box body, a drum is arranged inside the box body, sieve holes are evenly opened on the drum wall, a screw conveyor is arranged at the center of the drum, the casings at both ends of the screw conveyor are rotatably connected to the drum, a first discharge port is arranged at the bottom of one end of the screw conveyor, a feed port is arranged at the top of one end of the screw conveyor, the first discharge port is placed inside the drum, the feed port is placed outside the box body, a driving mechanism is arranged on the top of one end of the drum, and a second discharge port is arranged at the center of the bottom of the box body.

[0004] However, the above device still has a problem that the roller and the conveyor are driven by two sets of drive devices respectively, which increases the cost of use. While the inclined roller screens out the iron ore concentrate that meets the standards, the iron ore concentrate that does not meet the standards flows out from the guide plate 9 together with some iron ore concentrate that meets the standards, resulting in insufficient screening.

[0005] Therefore, it is necessary to provide a screening machine for iron ore concentrate production to solve the above-mentioned technical problems. Utility Model Content

[0006] The utility model provides a screening machine for producing iron concentrate, which solves the problem that the screening of the screening machine is not fine enough.

[0007] In order to solve the above technical problems, the utility model provides a screening machine for iron ore concentrate production, which includes: an outer cylinder, a collecting cylinder and a separating cylinder. A feed hopper is installed on the outer wall of one end of the outer cylinder, and a motor is installed on the outer wall of the other end of the outer cylinder. A discharge hopper and a discharge pipe are installed on the outer wall of the bottom end of the outer cylinder respectively. The bottom of the discharge hopper is located inside the collecting cylinder, and the bottom of the discharge pipe is located inside the separating cylinder. A filter cylinder is rotatably connected to the inner wall of the outer cylinder near one end of the feed hopper. An annular bin is fixedly installed on the inner wall of the outer cylinder. The annular bin is rotatably connected to the outer wall of the filter cylinder. The discharge pipe is communicated with the annular bin. The output end of the motor passes through the inner part of the outer cylinder and is fixedly installed with a rotating shaft 2. The outer walls of the rotating shaft 2 are respectively installed with linkage components 1 and 2. The inner wall of the filter drum is rotatably connected with a rotating shaft 1, and the other end of the rotating shaft 1 is fixedly installed with a gear, the linkage assembly 1 is connected with the rotating shaft 1, the outer wall of the filter drum is fixedly installed with a gear ring, and the gear is meshed with the gear ring, the other end of the rotating shaft 2 passes through the interior of the filter drum and is fixedly installed with a reciprocating screw rod, the outer wall of the reciprocating screw rod is threadedly connected with a threaded sleeve, and the outer wall of the threaded sleeve is evenly installed with several groups of scrapers, and several groups of scrapers are in contact with the inner wall of the filter drum, a guide rod is fixedly installed between the inner wall of the outer drum and the inner wall of the filter drum, the scraper is slidably connected with the guide rod, the linkage assembly 2 is connected with a stirring rod, the inner wall of the separation drum is installed with a filter plate, the stirring rod is in contact with the filter plate, and a guide pipe is installed between the separation drum and the collecting drum.

[0008] Preferably, the linkage assembly 1 includes a pulley 1, a pulley 2 and a belt, the pulley 1 is fixedly connected to the rotating shaft 1, the pulley 2 is fixedly connected to the rotating shaft 2, and the belt is arranged between the pulley 1 and the pulley 2.

[0009] Preferably, the linkage assembly 2 includes a bevel gear 1, a bevel gear 2 and a transmission rod, the bevel gear 1 is fixedly mounted on the outer wall of the rotating shaft 2, and the transmission rod is rotatably connected to the side wall of the outer cylinder.

[0010] Preferably, the bevel gear 2 is fixedly mounted on the top of the transmission rod, and the bevel gear 2 is meshingly connected with the bevel gear 1.

[0011] Preferably, the bottom of the transmission rod is connected to the stirring rod.

[0012] Preferably, the motor is electrically connected to an external power source.

[0013] Compared with the related art, the screening machine for iron ore concentrate production provided by the utility model has the following beneficial effects:

[0014] The utility model provides a screening machine for producing iron ore concentrate. The output end of the motor drives a reciprocating screw to rotate continuously through a second rotating shaft, so that the threaded sleeve drives a scraper to continuously spread the iron ore concentrate evenly on the inner wall of a filter drum. At the same time, the second rotating shaft drives the first rotating shaft to rotate continuously through a linkage component. The first rotating shaft drives the filter drum to rotate continuously through the meshing action of gears and gear rings, so that the required iron ore concentrate is screened out. At the same time, the second rotating shaft drives a stirring rod to rotate continuously through a second linkage component to further screen the iron ore concentrate. Through the interaction of the above components, a plurality of different operations can be performed simultaneously with only one motor, which not only improves the screening efficiency but also reduces the use cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a screening machine for producing iron ore concentrate provided by the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the internal structure of the collecting tube shown;

[0017] Figure 3 for Figure 1 A schematic diagram of the structure of the inner structure of the outer cylinder shown;

[0018] Figure 4 for Figure 2 An enlarged schematic diagram of part A is shown;

[0019] Figure 5 for Figure 3 An enlarged schematic diagram of part B is shown.

[0020] Numbers in the figure:

[0021] 1. Outer cylinder, 2. Feed hopper, 3. Discharge hopper, 4. Collecting cylinder, 5. Guide pipe, 6. Discharge pipe, 7. Separation cylinder, 8. Motor, 9. Filter cylinder, 10. Scraper, 11. Threaded sleeve, 12. Guide rod, 13. Ring bin, 14. Gear, 15. Linkage component one, 151. Pulley one, 152. Pulley two, 153. Belt, 16. Rotating shaft one, 17. Linkage component two, 171. Bevel gear one, 172. Bevel gear two, 173. Transmission rod, 18. Stirring rod, 19. Reciprocating screw, 20. Filter plate, 21. Rotating shaft two, 22. Gear ring. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1A schematic structural diagram of a preferred embodiment of a screening machine for producing iron ore concentrate provided by the utility model; Figure 2 for Figure 1 A schematic diagram of the internal structure of the collecting tube shown; Figure 3 for Figure 1 A schematic diagram of the structure of the inner structure of the outer cylinder shown; Figure 4 for Figure 2 An enlarged schematic diagram of part A is shown; Figure 5 for Figure 3 An enlarged schematic diagram of part B is shown. The screening machine for producing iron ore concentrate comprises: an outer cylinder 1, a collecting cylinder 4 and a separating cylinder 7. A feed hopper 2 is installed on the outer wall of one end of the outer cylinder 1, and a motor 8 is installed on the outer wall of the other end of the outer cylinder 1. A lower hopper 3 and a lower pipe 6 are installed on the outer wall of the bottom end of the outer cylinder 1 respectively. The bottom of the lower hopper 3 is located inside the collecting cylinder 4, and the bottom of the lower pipe 6 is located inside the separating cylinder 7. A filter cylinder 9 is rotatably connected to the inner wall of the outer cylinder 1 near the end of the feed hopper 2, and the feed hopper 2 is connected to the filter cylinder 9. An annular bin 13 is fixedly installed on the inner wall of the outer cylinder 1, and the annular bin 13 is rotatably connected to the outer wall of the filter cylinder 9, and the lower pipe 6 is connected to the annular bin 13. The output end of the motor 8 passes through the inner wall of the outer cylinder 1 and is fixedly installed with a rotating shaft 21. The outer walls of the rotating shaft 21 are respectively installed with a linkage assembly 15 and a linkage assembly 217. The inner wall of the outer cylinder 1 near the end of the motor 8 is rotatably connected with a rotating shaft 16. The other end of the gear 14 is fixedly installed, the linkage component 15 is connected to the rotating shaft 16, the outer wall of the filter cylinder 9 is fixedly installed with a gear ring 22, the gear 14 is meshed with the gear ring 22, the other end of the rotating shaft 21 passes through the interior of the filter cylinder 9, and is fixedly installed with a reciprocating screw rod 19, the rotating shaft 21 is rotatably connected to the outer wall of the filter cylinder 9, the outer wall of the reciprocating screw rod 19 is threadedly connected with a threaded sleeve 11, and the outer wall of the threaded sleeve 11 is evenly installed with several groups of scrapers 10, and several groups of the scrapers 10 are in contact with the inner wall of the filter cylinder 9, a guide rod 12 is fixedly installed between the inner wall of the outer cylinder 1 and the inner wall of the filter cylinder 9, and the scraper 10 is slidably connected to the guide rod 12, the linkage component 2 17 is connected with a stirring rod 18, the inner wall of the separation cylinder 7 is installed with a filter plate 20, the stirring rod 18 is in contact with the filter plate 20, and a guide pipe 5 is installed between the separation cylinder 7 and the collecting cylinder 4.

[0024] The linkage assembly 15 includes a pulley 151, a pulley 152 and a belt 153. The pulley 151 is fixedly connected to the rotating shaft 16, the pulley 152 is fixedly connected to the rotating shaft 21, and the belt 153 is arranged between the pulley 151 and the pulley 2 152. When the rotating shaft 21 drives the reciprocating screw 19 to rotate, the rotating shaft 16 is driven to rotate through the linkage action of the pulley 2 152, the pulley 151 and the belt 153. The rotating shaft 16 drives the gear ring 22 to rotate through the gear 14.

[0025] The linkage assembly 2 17 includes a bevel gear 1 171 , a bevel gear 172 and a transmission rod 173 . The bevel gear 1 171 is fixedly mounted on the outer wall of the rotating shaft 21 , and the transmission rod 173 is rotatably connected to the side wall of the outer cylinder 1 .

[0026] The second bevel gear 172 is fixedly mounted on the top of the transmission rod 173 , and the second bevel gear 172 is meshedly connected with the first bevel gear 171 .

[0027] The bottom of the transmission rod 173 is connected to the stirring rod 18. When the second rotating shaft 21 rotates, the transmission rod 173 drives the stirring rod 18 to continuously stir the iron ore powder on the upper part of the filter plate 20 through the interaction between the first bevel gear 171 and the second bevel gear 172.

[0028] The motor 8 is electrically connected to an external power source.

[0029] The working principle of the screening machine for iron ore concentrate production provided by the utility model is as follows: the iron ore concentrate is fed into the interior of the filter barrel 9 through the feed hopper 2, and the output end of the motor 8 drives the reciprocating screw 19 to rotate continuously through the rotating shaft 21, so that the threaded sleeve 11 drives the scraper 10 to continuously spread the iron ore concentrate evenly on the inner wall of the filter barrel 9, and at the same time, the rotating shaft 21 drives the rotating shaft 16 to rotate continuously through the linkage component 15, and the rotating shaft 16 drives the filter barrel 9 to rotate continuously through the meshing action of the gear 14 and the gear ring 22, so that the required iron ore concentrate is screened out and enters the interior of the collecting barrel 4 through the lower hopper 3, and some larger iron ore concentrate is mixed with fine iron ore concentrate through the lower feed pipe 6 and enters the interior of the separation barrel 7, and the linkage component 2 17 drives the stirring rod 18 to rotate continuously to filter the fine iron ore concentrate through the filter plate 20 and enter the interior of the collecting barrel 4 through the guide pipe 5.

[0030] 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. A screening machine for iron ore concentrate production, characterized in that: include: An outer cylinder (1), a collecting cylinder (4) and a separating cylinder (7), wherein a feed hopper (2) is mounted on the outer wall of one end of the outer cylinder (1), a motor (8) is mounted on the outer wall of the other end of the outer cylinder (1), a lower hopper (3) and a lower pipe (6) are mounted on the outer wall of the bottom end of the outer cylinder (1), the bottom of the lower hopper (3) is located inside the collecting cylinder (4), the bottom of the lower pipe (6) is located inside the separating cylinder (7), a filter cylinder (9) is rotatably connected to the inner wall of one end of the outer cylinder (1) close to the feed hopper (2), and the outer cylinder (1) An annular bin (13) is fixedly installed on the inner wall, the annular bin (13) is rotatably connected to the outer wall of the filter cylinder (9), the feed pipe (6) is communicated with the annular bin (13), the output end of the motor (8) passes through the interior of the outer cylinder (1) and is fixedly installed with a second rotating shaft (21), the outer wall of the second rotating shaft (21) is respectively installed with a linkage assembly (15) and a linkage assembly (17), the inner wall of the outer cylinder (1) close to one end of the motor (8) is rotatably connected with a first rotating shaft (16), the first rotating shaft (16) ) is fixedly mounted with a gear (14), the linkage assembly (15) is connected to the rotating shaft (16), a gear ring (22) is fixedly mounted on the outer wall of the filter cartridge (9), the gear (14) is meshingly connected with the gear ring (22), the other end of the rotating shaft (21) passes through the interior of the filter cartridge (9) and is fixedly mounted with a reciprocating screw (19), the outer wall of the reciprocating screw (19) is threadedly connected with a threaded sleeve (11), and the outer wall of the threaded sleeve (11) is evenly mounted with a plurality of scrapers (10 ), a plurality of groups of the scrapers (10) are in close contact with the inner wall of the filter cylinder (9), a guide rod (12) is fixedly installed between the inner wall of the outer cylinder (1) and the inner wall of the filter cylinder (9), the scrapers (10) are slidably connected to the guide rod (12), the linkage assembly 2 (17) is connected to a stirring rod (18), a filter plate (20) is installed on the inner wall of the separation cylinder (7), the stirring rod (18) is in close contact with the filter plate (20), and a material guide pipe (5) is installed between the separation cylinder (7) and the collection cylinder (4).

2. The screening machine for producing iron ore concentrate according to claim 1, characterized in that: The linkage assembly 1 (15) comprises a pulley 1 (151), a pulley 2 (152) and a belt (153); the pulley 1 (151) is fixedly connected to the rotating shaft 1 (16); the pulley 2 (152) is fixedly connected to the rotating shaft 2 (21); and the belt (153) is arranged between the pulley 1 (151) and the pulley 2 (152).

3. The screening machine for producing iron ore concentrate according to claim 1, characterized in that: The linkage assembly 2 (17) comprises a bevel gear 1 (171), a bevel gear 2 (172) and a transmission rod (173); the bevel gear 1 (171) is fixedly mounted on the outer wall of the rotating shaft 2 (21); and the transmission rod (173) is rotatably connected to the side wall of the outer cylinder (1).

4. The screening machine for producing iron ore concentrate according to claim 3, characterized in that: The second bevel gear (172) is fixedly mounted on the top of the transmission rod (173), and the second bevel gear (172) is meshingly connected with the first bevel gear (171).

5. The screening machine for producing iron ore concentrate according to claim 3, characterized in that: The bottom of the transmission rod (173) is connected to the stirring rod (18).

6. The screening machine for producing iron ore concentrate according to claim 1, characterized in that: The motor (8) is electrically connected to an external power source.

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