Iron fine powder screening equipment capable of adjusting granularity

Abstract

The utility model relates to the field of fine iron powder processing, and discloses fine iron powder screening equipment capable of adjusting granularity, which comprises a shell, a feed chute is arranged on the left surface of the shell, a discharge port is arranged at the bottom of the shell, a waste chute is arranged at the bottom of the shell, and a screening mechanism is arranged on the inner wall of the shell. And the screening mechanism comprises an adjusting assembly and an auxiliary cleaning assembly, the adjusting assembly comprises a screen, the outer wall of the screen is fixedly connected with a mounting ring, the inner wall of the mounting ring is rotatably connected with a lead screw, the outer wall of the lead screw is fixedly connected with a rotating wheel, and the outer wall of the screen is slidably connected with an adjusting net. According to the utility model, through the arrangement of the adjusting assembly, the size of the aperture of the screen mesh can be adjusted when materials are screened, screen meshes with different aperture are not required to be replaced, the auxiliary cleaning assembly is matched when in use, the materials are uniformly laid on the screen mesh in the screening process, the condition of mesh blockage caused by material accumulation is effectively avoided, and the screening efficiency is improved. The practicability of the device is further improved.

Description

Technical Field

[0001] This utility model relates to the field of iron concentrate processing, and in particular to an iron concentrate screening device with adjustable particle size. Background Technology

[0002] Iron concentrate is the main raw material for pellets. It is a mineral powder made from iron ore through crushing, grinding, and beneficiation. In order to improve the grinding efficiency and quality of iron concentrate, the iron ore is generally screened by size, and then different grinding methods are used according to the different sizes of iron ore.

[0003] Existing iron concentrate screening equipment generally uses screens to screen iron ore. When screening iron ore of different sizes is required, screens with different mesh sizes need to be changed. When screening a batch of iron ore for multiple grades is required, multiple screens with different mesh sizes need to be used. This process is not only complex but also inefficient. Therefore, an iron concentrate screening equipment with adjustable particle size is proposed to solve the above problems. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides an iron concentrate screening device with adjustable particle size, which aims to improve the problem in the prior art that "when it is necessary to screen iron ore of different sizes, it is necessary to change the screen with different mesh size".

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an adjustable particle size iron concentrate screening device, comprising a shell, a feed chute on the left surface of the shell, a discharge port at the bottom of the shell, a waste chute at the bottom of the shell, a screening mechanism on the inner wall of the shell, the screening mechanism comprising an adjustment component and an auxiliary cleaning component, the adjustment component comprising a screen, an installation ring fixedly connected to the outer wall of the screen, a lead screw rotatably connected to the inner wall of the installation ring, a rotating wheel fixedly connected to the outer wall of the lead screw, an adjustment net slidably connected to the outer wall of the screen, a connecting ring fixedly connected to the side of the adjustment net near the installation ring, an insert rod fixedly connected to the side of the connecting ring near the installation ring, a guide cover fixedly connected to the left end of the screen, and a discharge cover fixedly connected to the right end of the screen.

[0006] As a further description of the above technical solution:

[0007] The auxiliary cleaning component includes a second motor, which is fixedly connected to the inner wall of the housing. The output shaft of the second motor is fixedly connected to a rotating rod, and a brush plate is provided on the outer wall of the rotating rod.

[0008] As a further description of the above technical solution:

[0009] The screening mechanism also includes a motor, which is fixedly connected to the inner wall of the housing, and the output shaft of the motor is fixedly connected to the right surface of the discharge hood.

[0010] As a further description of the above technical solution:

[0011] Two sets of the adjusting mesh and connecting ring are provided. Both sets of the adjusting mesh and connecting ring are located on both sides of the mounting ring. The connecting ring is located on the outer wall of the lead screw, and the mounting ring is slidably connected to the inner wall of the housing.

[0012] As a further description of the above technical solution:

[0013] The material guide cover is shaped like a frustum and is rotatably connected to the inner wall of the housing.

[0014] As a further description of the above technical solution:

[0015] The outer wall of the discharge hood is provided with a through groove, and the discharge hood is rotatably connected to the inner wall of the shell.

[0016] As a further description of the above technical solution:

[0017] The insertion rod is inserted into the inner wall of the mounting ring. Multiple sets of insertion rods are provided, and the multiple sets of insertion rods are arranged in a rotating array with the center line of the mounting ring as the rotation axis.

[0018] As a further description of the above technical solution:

[0019] The brush plate is spiral-shaped, and the outer wall of the brush plate is provided with bristles.

[0020] This utility model has the following beneficial effects:

[0021] 1. In this utility model, by setting an adjustment component, the size of the screen mesh can be adjusted when screening materials, without the need to replace screens with different mesh sizes. When used in conjunction with the auxiliary cleaning component, the material is evenly spread on the screen mesh during the screening process, effectively avoiding the situation of mesh blockage caused by material accumulation, and further improving the practicality of the device.

[0022] 2. In this utility model, by setting up a cleaning component, the inner surface of the screen can be cleaned to ensure the screen's performance. While pushing and leveling the material, the material that cannot pass through the screen is pushed to the discharge hood for discharge, thus preventing the accumulation of material that cannot pass through the screen inside and affecting the screen's performance, and further improving the device's performance. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the overall device in this utility model;

[0024] Figure 2 This is a three-dimensional cross-sectional view of the overall device in this utility model;

[0025] Figure 3 This is a three-dimensional structural diagram of the auxiliary cleaning component in this utility model;

[0026] Figure 4 This is a three-dimensional structural disassembly diagram of the adjustment component in this utility model;

[0027] Figure 5 This utility model Figure 4 A magnified three-dimensional structural diagram at point A in the middle.

[0028] Legend:

[0029] 1. Housing; 2. Feed chute; 3. Adjustment assembly; 31. Adjustment screen; 32. Guide cover; 33. Discharge cover; 34. Screen; 35. Connecting ring; 36. Insert rod; 37. Mounting ring; 38. Rotating wheel; 39. Lead screw; 4. Motor 1; 5. Auxiliary cleaning assembly; 51. Motor 2; 52. Rotating rod; 53. Brush plate; 6. Discharge port; 7. Waste chute. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Reference Figure 1 , Figure 2 , Figure 3This utility model provides an embodiment of an adjustable particle size iron concentrate screening device, comprising a housing 1 for mounting other components, a feed chute 2 on the left surface of the housing 1 for feeding the material to be screened into a screen 34, a discharge port 6 at the bottom of the housing 1 for discharging qualified material, a waste chute 7 at the bottom of the housing 1 for discharging unqualified material, and a screening mechanism for screening and separating iron concentrate on the inner wall of the housing 1. The screening mechanism includes an adjustment component 3 and an auxiliary cleaning component 5. The adjustment component 3 can adjust the aperture of the screen 34. The adjustment component 3 includes the screen 34 for screening materials, and the outer wall of the screen 34 is fixedly connected to a mounting bracket. The mounting ring 37 is connected to other components. The inner wall of the mounting ring 37 is rotatably connected to a screw 39 that controls the movement of the adjusting screen 31. The outer wall of the screw 39 is fixedly connected to a rotating wheel 38 for driving the screw 39 to rotate. The outer wall of the screen 34 is slidably connected to an adjusting screen 31 for changing the aperture of the screen 34. The side of the adjusting screen 31 near the mounting ring 37 is fixedly connected to a connecting ring 35 for controlling the adjusting screen 31. The side of the connecting ring 35 near the mounting ring 37 is fixedly connected to an insert rod 36 for keeping the adjusting screen 31 stable. The left end of the screen 34 is fixedly connected to a guide cover 32 for preventing material leakage. The right end of the screen 34 is fixedly connected to a discharge cover 33 for discharging unqualified materials.

[0032] Referring to the figure, the auxiliary cleaning component 5 includes a second motor 51 for driving the rotating rod 52 to rotate. The second motor 51 is fixedly connected to the inner wall of the housing 1 for support. The output shaft of the second motor 51 is fixedly connected to the rotating rod 52 for driving the brush plate 53 to rotate. The outer wall of the rotating rod 52 is provided with the brush plate 53. The brush plate 53 can clean the inner wall of the screen 34 and prevent the screen 34 from clogging. The screening mechanism also includes a first motor 4 for driving the adjustment component 3 to rotate. The first motor 4 is fixedly connected to the inner wall of the housing 1. The output shaft of the first motor 4 is fixedly connected to the right surface of the discharge hood 33. The brush plate 53 is spiral in shape. When the brush plate 53 is driven by the rotating rod 52, it can push the material entering from the left side of the adjustment component 3 to the right side, ensuring that the material is evenly spread on the inner wall of the screen 34. The outer wall of the brush plate 53 is provided with bristles, which can clean the clogged mesh.

[0033] Referring to the figure, there are two sets of adjusting net 31 and connecting ring 35. The two sets of adjusting net 31 and connecting ring 35 are symmetrically arranged on both sides of mounting ring 37. The mounting ring 37 used for connection is located in the middle of screen 34 to ensure the stability of screen 34. The connecting ring 35 is located on the outer wall of screw 39. The mounting ring 37 is slidably connected to the inner wall of housing 1. The guide cover 32 is shaped like a frustum. The guide cover 32 is rotatably connected to the inner wall of housing 1. The outer wall of discharge cover 33 is provided with a through groove. The discharge cover 33 is rotatably connected to the inner wall of housing 1. Insert rod 36 is inserted into the inner wall of mounting ring 37. There are multiple sets of insert rod 36. Multiple sets of insert rod 36 are arranged in a rotating array with the center line of mounting ring 37 as the rotation axis.

[0034] Working principle: During operation, iron concentrate enters the screening mechanism through the feed chute 2. Motor 4 starts and rotates the entire screening mechanism, causing the material to tumble on the screen 34 and adjusting screen 31. Simultaneously, motor 51 starts and drives the rotating rod 52 to rotate the spiral brush plate 53. The outer bristles of the brush dynamically clean the inner wall of the screen 34. During the tumbling process, the material is spirally propelled by the brush plate 53 and evenly spreads to the right along the inner wall of the screen 34. Fine particles fall through the effective aperture of the screen 34 to the discharge point. The material is discharged from outlet 6, while coarse particles are intercepted and continue to move to the right. When the particle size needs to be adjusted, the operator drives the screws 39 on both sides to rotate synchronously through the rotating wheel 38, which drives the connecting ring 35 and the adjusting net 31 to slide along the axial direction of the mounting ring 37. The two sets of symmetrically arranged adjusting nets 31 achieve synchronous displacement through the guiding action of the insert rod 36, forming an overlap and change with the aperture of the screen 34, thereby accurately controlling the effective screen aperture size. The through groove on the outer wall of the discharge hood 33 continuously guides the coarse particles that have not passed through the screen 34 to the waste trough 7 for discharge.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An adjustable particle size iron concentrate screening device, comprising a shell (1), characterized in that: The left surface of the housing (1) is provided with a feed trough (2), the bottom of the housing (1) is provided with a discharge port (6), the bottom of the housing (1) is provided with a waste trough (7), and the inner wall of the housing (1) is provided with a screening mechanism, which includes an adjustment component (3) and an auxiliary cleaning component (5). The adjusting component (3) includes a screen (34), an mounting ring (37) is fixedly connected to the outer wall of the screen (34), a lead screw (39) is rotatably connected to the inner wall of the mounting ring (37), a rotating wheel (38) is fixedly connected to the outer wall of the lead screw (39), an adjusting net (31) is slidably connected to the outer wall of the screen (34), a connecting ring (35) is fixedly connected to the side of the adjusting net (31) near the mounting ring (37), an insert rod (36) is fixedly connected to the side of the connecting ring (35) near the mounting ring (37), a guide cover (32) is fixedly connected to the left end of the screen (34), and a discharge cover (33) is fixedly connected to the right end of the screen (34).

2. The iron concentrate screening equipment with adjustable particle size according to claim 1, characterized in that: The auxiliary cleaning component (5) includes a second motor (51), which is fixedly connected to the inner wall of the housing (1). The output shaft of the second motor (51) is fixedly connected to a rotating rod (52), and a brush plate (53) is provided on the outer wall of the rotating rod (52).

3. The iron concentrate screening equipment with adjustable particle size according to claim 1, characterized in that: The screening mechanism also includes a motor (4), which is fixedly connected to the inner wall of the housing (1), and the output shaft of the motor (4) is fixedly connected to the right surface of the discharge hood (33).

4. The iron concentrate screening equipment with adjustable particle size according to claim 1, characterized in that: The adjusting net (31) and the connecting ring (35) are provided in two sets. The two sets of adjusting net (31) and connecting ring (35) are provided on both sides of the mounting ring (37). The connecting ring (35) is provided on the outer wall of the lead screw (39). The mounting ring (37) is slidably connected to the inner wall of the housing (1).

5. The iron concentrate screening equipment with adjustable particle size according to claim 1, characterized in that: The material guide cover (32) is shaped like a frustum and is rotatably connected to the inner wall of the housing (1).

6. The iron concentrate screening equipment with adjustable particle size according to claim 1, characterized in that: The outer wall of the discharge hood (33) is provided with a through groove, and the discharge hood (33) is rotatably connected to the inner wall of the housing (1).

7. The iron concentrate screening equipment with adjustable particle size according to claim 1, characterized in that: The insertion rod (36) is inserted into the inner wall of the mounting ring (37). Multiple sets of insertion rods (36) are provided, and the multiple sets of insertion rods (36) are arranged in a rotating array with the center line of the mounting ring (37) as the rotation axis.

8. The iron concentrate screening equipment with adjustable particle size according to claim 2, characterized in that: The brush plate (53) is spiral in shape, and the outer wall of the brush plate (53) is provided with bristles.

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