Device for detecting content of magnetic iron in fine iron powder

Abstract

The utility model belongs to the technical field of fine iron powder magnetic iron content detection devices, and particularly relates to a fine iron powder magnetic iron content detection device which comprises a box body, two supporting plates, a conveying assembly, two supporting frames, a belt weigher, a mounting plate, an electric cylinder, a circular plate, an adjusting assembly, a driving assembly, a rotating ring, two L-shaped rods and a plurality of shifting rods. The two supporting plates and the two supporting frames are fixedly installed on the two sides of the box body respectively, and rectangular openings are formed in the two sides of the box body. The magnetic iron powder removing device is reasonable in design and simple and convenient to operate, magnetic iron powder in fine iron powder needing magnetic iron content detection can be rapidly removed, and the magnetic iron powder is weighed before and after being removed, so that the content of the magnetic iron powder in the fine iron powder can be rapidly obtained, and the detection efficiency is improved. And meanwhile, the residual fine iron powder and the removed magnetic iron powder can be discharged separately according to actual needs, so that the operation convenience is improved, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of a device for detecting the magnetic iron content of iron concentrate, in particular to a device for detecting the magnetic iron content of iron concentrate. Background Art

[0002] Iron ore concentrate is the main raw material for pellets. It is processed by crushing, grinding, beneficiation and other processing of iron ore. The fluctuation of iron content will directly affect the quality of finished pellets. Iron ore concentrate with TFe≥71.5% and hydrochloric acid insoluble matter≤0.3% is called ultra-pure iron ore concentrate. Ultra-pure iron ore concentrate is mainly used in powder metallurgy industry.

[0003] When detecting the magnetic iron content of iron ore concentrate, it is necessary to first weigh the magnetic iron powder of the iron ore concentrate when using the physical analysis method, then weigh the remaining powder after separating the magnetic iron powder, and then substitute the data obtained from the two weighings into the calculation formula for calculation, so as to obtain the magnetic iron content of the iron ore concentrate. Alternatively, the chemical analysis method can be used to determine the iron content of the iron ore concentrate. However, although both the physical analysis method and the chemical analysis method can realize the detection of the magnetic iron content in the iron ore concentrate, they have the disadvantages of complicated procedures, low efficiency and inconvenience for rapid detection of the magnetic iron content in the iron ore concentrate. Therefore, the utility model proposes a magnetic iron content detection device for iron ore concentrate to solve the above problems.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0005] The utility model aims to solve the shortcomings mentioned in the above background technology and provides a device for detecting the magnetic iron content of iron concentrate.

[0006] The above technical purpose of the utility model is achieved by the following technical solutions: a device for detecting the magnetic iron content of iron concentrate, comprising a box, two pallets, a conveying assembly, two support frames, a belt scale, a mounting plate, an electric cylinder, a circular plate, an adjustment assembly, a driving assembly, a rotating ring, an electromagnet, two L-shaped rods and a plurality of levers;

[0007] The two support plates and the two support frames are respectively fixedly mounted on both sides of the box body, and rectangular openings are opened on both sides of the box body. The conveying assembly is arranged on the two support frames and passes through the two rectangular openings. The mounting plate is slidably mounted on the top inner wall of the box body, the adjusting assembly is arranged in the box body and connected to the mounting plate, the electric cylinder is fixedly mounted on the bottom side of the mounting plate, and the circular plate is fixedly mounted on the working end of the electric cylinder, the rotating ring is rotatably mounted on the outer circumferential surface of the circular plate, the driving assembly is arranged on the circular plate and connected to the rotating ring, the electromagnet is fixedly mounted on the bottom side of the circular plate, the belt scale is arranged on the front and rear inner walls of the box body and is located below the electromagnet, and the belt scale is adapted to the conveying assembly, the two L-shaped rods are fixedly mounted on the bottom side of the rotating ring, and a plurality of shifting rods are respectively fixedly mounted on the corresponding L-shaped rods, and a feed box is fixedly mounted on the support plate on the left side.

[0008] Preferably, the conveying assembly includes four rotating shafts, four conveying rollers, two conveyor belts and a conveying motor. The rotating shafts are rotatably installed in the box and on the two support frames. There are two rotating shafts located in the box. Conveying rollers are fixedly sleeved on the four rotating shafts. The two conveying rollers located on the same horizontal plane are transmission-connected to the same conveyor belt. The conveying motor is fixedly installed on the support frame located on the right side. The output shaft of the conveying motor is axially fixedly connected to the rotating shaft on the right side, and the planes where the two conveyor belts are located are respectively located on the upper and lower sides of the belt scale.

[0009] Preferably, the conveying assembly further comprises a sprocket and two sprockets, the front ends of the two rotating shafts in the box body extend to the front side of the box body and are respectively fixedly sleeved with sprockets, and the two sprockets are transmission-connected with the same belt.

[0010] Preferably, the adjustment assembly includes an adjustment motor and a screw, the same screw is rotatably installed on the inner walls of both sides of the box, the screw is threadedly connected to the mounting plate, the adjustment motor is fixedly installed on one side of the box, and the output shaft of the adjustment motor is axially fixedly connected to the screw.

[0011] Preferably, two guide rods are fixedly mounted on the inner walls on both sides of the box body in parallel with the screw rod, and the two guide rods are slidably connected to the mounting plate.

[0012] Preferably, the driving assembly includes a driving motor, a driving gear and a toothed disc, the toothed disc is fixedly mounted on the top side of the rotating ring, the driving motor is fixedly mounted on the top side of the circular plate, a driving gear is fixedly sleeved on the output shaft of the driving motor, and the driving gear is meshed with the toothed disc.

[0013] Preferably, a strip-shaped opening is opened on one side of the box body, a material guide plate is fixedly installed in the strip-shaped opening, one side of the material guide plate extends to above the right side support plate, and a material guide groove is opened on the top side of the material guide plate.

[0014] Preferably, the material guide plate is arranged to be higher on the left and lower on the right.

[0015] Preferably, a material receiving box is placed on the top side of the support plate on the right side, and the material receiving box is located directly below the lower end of the material guide plate.

[0016] The beneficial effects of the utility model are as follows: the iron ore concentrate that needs to be tested for magnetic iron content can be conveyed to the belt scale through the provided conveying component, and can be weighed under the action of the belt scale, and the lateral position of the mounting plate can be adjusted under the action of the adjusting component, so that the electromagnet can be adjusted to the top of the belt scale, and then the magnetic iron powder in the iron ore concentrate on the belt scale is adsorbed by the provided electromagnet, and the rotating ring is controlled to drive two L-shaped rods to control multiple levers to shift the iron ore concentrate on the belt scale under the action of the driving component, so that the magnetic iron powder in the iron ore concentrate is ensured to be completely sucked out, and then the levers are controlled to be out of contact with the powder material and the remaining iron ore concentrate is weighed under the action of the belt scale, and at the same time, the magnetic iron content in the iron ore concentrate can be obtained by comparing and calculating the weight before and after the magnetic iron powder is removed, and then it can be discharged from the right side of the box after weighing under the action of the conveying component, and the removed magnetic iron powder can be moved to the top of the material guide plate under the cooperation of the electric cylinder and the adjusting component and fall into the material guide trough when the electromagnet is turned off, and then the material is received under the action of the receiving box;

[0017] The operation is simple and convenient, and the magnetic iron powder in the iron ore concentrate that needs to be tested for magnetic iron content can be quickly removed, and the magnetic iron powder can be weighed before and after the removal, so as to obtain the content of the magnetic iron powder in the iron ore concentrate that needs to be tested for magnetic iron content. At the same time, it is convenient to separately discharge the removed magnetic iron powder and the remaining iron ore concentrate according to actual needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a device for detecting the magnetic iron content of iron concentrate proposed by the utility model;

[0020] Figure 2 This is a schematic cross-sectional view of a device for detecting the magnetic iron content of iron concentrate proposed by the utility model;

[0021] Figure 3 This is a partial three-dimensional structural schematic diagram of a device for detecting the magnetic iron content of iron concentrate proposed by the utility model;

[0022] Figure 4 This is a structural schematic diagram of part A of a device for detecting the magnetic iron content of iron concentrate proposed by the utility model;

[0023] Figure 5 This is a three-dimensional structural schematic diagram of the mounting plate, guide rod and adjustment component part proposed by the utility model.

[0024] In the figure: 1. box body; 11. support plate; 111. feed box; 112. receiving box; 12. support frame; 13. rotating shaft; 131. conveying motor; 14. conveying roller; 15. conveyor belt; 16. sprocket; 17. chain; 2. mounting plate; 201. screw rod; 202. adjusting motor; 203. guide rod; 21. electric cylinder; 22. circular plate; 221. rotating ring; 222. L-shaped rod; 223. lever; 224. driving motor; 225. driving gear; 226. toothed disc; 3. belt scale; 4. electromagnet; 5. guide plate. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-5A device for detecting the magnetic iron content of iron concentrate comprises a box body 1, two support plates 11, two support frames 12, a belt scale 3, a mounting plate 2, an electric cylinder 21, a circular plate 22, a rotating ring 221, two L-shaped rods 222 and a plurality of levers 223. The two support plates 11 and the two support frames 12 are respectively fixedly mounted on both sides of the box body 1. A feed box 111 is fixedly mounted on the support plate 11 on the left side. A rectangular opening is provided on both sides of the box body 1. Rotating shafts 13 are rotatably mounted in the box body 1 and on the two support frames 12. There are two rotating shafts 13 in the box body 1. Conveying rollers 14 are fixedly sleeved on the four rotating shafts 13. The two conveying rollers 14 on the same horizontal plane are used to transfer the material. The two conveyor belts 15 are respectively located on the upper and lower sides of the chain 17 scale, which can transport the iron ore concentrate that needs to be tested for magnetic iron content, and can not only transport it to the belt scale 3, but also can receive the iron ore concentrate transported from the belt scale 3 and transport it out from the right side of the box body 1. The front ends of the two rotating shafts 13 in the box body 1 extend to the front side of the box body 1 and are respectively fixedly mounted with sprockets 16. The two sprockets 16 are transmission-connected with the same chain 17, which can make The left and right conveyor belts 15 keep synchronous movement, the mounting plate 2 is slidably mounted on the top inner wall of the box body 1, and the same screw rod 201 is rotatably mounted on the inner walls of both sides of the box body 1, and the screw rod 201 is threadedly connected to the mounting plate 2. An adjusting motor 202 is fixedly mounted on one side of the box body 1, and the output shaft of the adjusting motor 202 is axially fixedly connected to the screw rod 201, so that the lateral position of the mounting plate 2 can be adjusted as needed. The electric cylinder 21 is fixedly mounted on the bottom side of the mounting plate 2, and the circular plate 22 is fixedly mounted on the working end of the electric cylinder 21, and the rotating ring 221 is rotatably mounted on the outer peripheral surface of the circular plate 22, and a toothed disc 226 is fixedly mounted on the top side of the rotating ring 221, and the top side of the circular plate 22 is fixedly mounted. A driving motor 224 is fixedly installed, and a driving gear 225 is fixedly sleeved on the output shaft of the driving motor 224. The driving gear 225 is meshed with a toothed disc 226, and can control the rotating ring 221 to rotate based on the circular plate 22. At the same time, with the cooperation of the electric cylinder 21, it can control multiple levers 223 to move the iron concentrate on the belt scale 3 that needs to be tested for magnetic iron content. The electromagnet 4 is fixedly installed on the bottom side of the circular plate 22, and the belt scale 3 is arranged on the inner walls of the front and rear sides of the box body 1 and is located below the electromagnet 4. The two L-shaped rods 222 are fixedly installed on the bottom side of the rotating ring 221, and the multiple levers 223 are respectively fixedly installed on the corresponding L-shaped rods 222.

[0027] In this embodiment, two guide rods 203 are fixedly installed on the inner walls on both sides of the box body 1 in parallel with the screw rod 201. The two guide rods 203 are both slidably connected to the mounting plate 2, which can provide guidance for the mounting plate 2 and enable it to maintain stable sliding along the top inner wall of the box body 1.

[0028] In this embodiment, a strip-shaped opening is opened on one side of the box body 1, and a material guide plate 5 is fixedly installed in the strip-shaped opening. One side of the material guide plate 5 extends to above the right support plate 11, and a material guide groove is opened on the top side of the material guide plate 5. The material guide plate 5 is arranged to be higher on the left and lower on the right, which is convenient for guiding the rejected magnetic iron powder and enables the magnetic iron powder to flow along the guide groove.

[0029] In this embodiment, a material receiving box 112 is placed on the top side of the support plate 11 on the right side. The material receiving box 112 is located directly below the lower end of the guide plate 5 and can receive the magnetic iron powder flowing down the guide groove on the guide plate 5.

[0030] In this embodiment, a display is fixedly installed on the front side of the box 1, and a controller is fixedly installed on the inner wall of the box 1. The controller is electrically connected to the display, the electric cylinder 21, the adjustment motor 202, the conveying motor 131 and the belt 17 scale. After the belt 17 scale is weighed, the measured data can be transmitted to the controller and displayed through the display.

[0031] Working principle: When in use, first turn on the power supply and place the iron ore concentrate sample that needs to be tested for magnetic iron content in the feed box 111, and then flow downward to the conveyor belt 15 on the left. The two conveyor belts 15 can be controlled to perform conveying operations synchronously through the cooperation of the conveying motor 131, the rotating shaft 13, the conveying pipe, the sprocket 16 and the chain 17, so that the iron ore concentrate can be conveyed to the belt scale 3, and can be weighed under the action of the belt scale 3. The lateral position of the mounting plate 2 is adjusted to the top of the belt scale 3 by adjusting the motor 202 and the screw rod 201, and then the circular plate 22 is controlled to move downward by the electric cylinder 21 to make the lever 223 contact with the iron ore concentrate, and then the rotating ring 221 is controlled to rotate under the cooperation of the driving motor 224, the driving gear 225 and the toothed disc 226, so that the two L-shaped rods 222 drive multiple levers 223. The iron ore concentrate on the belt scale 3 is moved, and the electromagnet 4 is started to adsorb the magnetic iron powder, so that the magnetic iron powder in the iron ore concentrate that needs to be tested for magnetic iron content can be sucked out, and then the magnetic iron powder in the iron ore concentrate can be removed, and after the magnetic iron powder is removed, the lever 223 is controlled to separate from the iron ore concentrate on the belt scale 3, and the iron ore concentrate after the magnetic iron powder is removed is weighed again under the action of the belt scale 3, and the weighed data is compared and calculated with the data before removal, so as to obtain the content of magnetic iron powder in the iron ore concentrate that needs to be tested for magnetic iron content, and the removed magnetic iron powder moves to the top of the guide plate 5 as the position of the mounting plate 2 is adjusted, and the electromagnet 4 is turned off, so that the magnetic iron powder falls into the guide trough and flows into the receiving box 112, and the remaining iron ore concentrate is discharged from the right side of the box body 1 under the action of the right conveyor belt 15.

[0032] The above is a detailed introduction to a magnetic iron content detection device for iron concentrate provided by the utility model. This article uses specific embodiments to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A device for detecting the magnetic iron content of iron concentrate, characterized in that: It comprises a box body (1), two support plates (11), a conveying assembly, two support frames (12), a belt scale (3), a mounting plate (2), an electric cylinder (21), a circular plate (22), an adjustment assembly, a driving assembly, a rotating ring (221), two L-shaped rods (222), an electromagnet (4) and a plurality of levers (223); Two support plates (11) and two support frames (12) are respectively fixedly mounted on two sides of a box body (1); rectangular openings are provided on both sides of the box body (1); the conveying assembly is arranged on the two support frames (12) and passes through the two rectangular openings; the mounting plate (2) is slidably mounted on the top inner wall of the box body (1); the adjusting assembly is arranged in the box body (1) and connected to the mounting plate (2); the electric cylinder (21) is fixedly mounted on the bottom side of the mounting plate (2); the circular plate (22) is fixedly mounted on the working end of the electric cylinder (21); and the rotating ring (221) is rotatably mounted on the circular plate ( 22), the driving assembly is arranged on the circular plate (22) and connected to the rotating ring (221), the electromagnet (4) is fixedly mounted on the bottom side of the circular plate (22), the belt scale (3) is arranged on the inner walls of the front and rear sides of the box body (1) and is located below the electromagnet (4), and the belt scale (3) is adapted to the conveying assembly, two L-shaped rods (222) are fixedly mounted on the bottom side of the rotating ring (221), a plurality of levers (223) are respectively fixedly mounted on the corresponding L-shaped rods (222), and a feed box (111) is fixedly mounted on the support plate (11) on the left side.

2. The device for detecting the magnetic iron content of iron concentrate according to claim 1, characterized in that: The conveying assembly comprises four rotating shafts (13), four conveying rollers (14), two conveying belts (15) and a conveying motor (131). The rotating shafts (13) are rotatably mounted in the box (1) and on the two support frames (12). There are two rotating shafts (13) located in the box (1). The four rotating shafts (13) are fixedly sleeved with conveying rollers (14). The two conveying rollers (14) located on the same horizontal plane are transmission-connected with the same conveying belt (15). The conveying motor (131) is fixedly mounted on the support frame (12) located on the right side. The output shaft of the conveying motor (131) is axially fixedly connected to the rotating shaft (13) on the right side. The planes where the two conveying belts (15) are located are respectively located on the upper and lower sides of the belt scale (3).

3. The device for detecting the magnetic iron content of iron concentrate according to claim 2, characterized in that: The conveying assembly also includes a chain (17) and two sprocket wheels (16). The front ends of the two rotating shafts (13) located in the box body (1) extend to the front side of the box body (1) and are respectively fixedly sleeved with sprocket wheels (16). The two sprocket wheels (16) are transmission-connected to the same chain (17).

4. The device for detecting the magnetic iron content of iron concentrate according to claim 1, characterized in that: The adjustment assembly comprises an adjustment motor (202) and a screw (201); the same screw (201) is rotatably mounted on the inner walls of both sides of the box (1); the screw (201) is threadedly connected to the mounting plate (2); the adjustment motor (202) is fixedly mounted on one side of the box (1); and the output shaft of the adjustment motor (202) is axially fixedly connected to the screw (201).

5. The device for detecting the magnetic iron content of iron concentrate according to claim 4, characterized in that: Two guide rods (203) are fixedly mounted on the inner walls of both sides of the box body (1) in parallel with the screw rod (201), and the two guide rods (203) are both slidably connected to the mounting plate (2).

6. The device for detecting the magnetic iron content of iron concentrate according to claim 1, characterized in that: The driving assembly comprises a driving motor (224), a driving gear (225) and a toothed disc (226); the toothed disc (226) is fixedly mounted on the top side of the rotating ring (221); the driving motor (224) is fixedly mounted on the top side of the circular plate (22); the driving gear (225) is fixedly sleeved on the output shaft of the driving motor (224); and the driving gear (225) is meshed with the toothed disc (226).

7. The device for detecting the magnetic iron content of iron concentrate according to claim 1, characterized in that: A strip-shaped opening is provided on one side of the box body (1), a material guide plate (5) is fixedly installed in the strip-shaped opening, one side of the material guide plate (5) extends above the right side support plate (11), and a material guide groove is provided on the top side of the material guide plate (5).

8. The device for detecting the magnetic iron content of iron concentrate according to claim 7, characterized in that: The material guide plate (5) is arranged to be higher on the left and lower on the right.

9. The device for detecting the magnetic iron content of iron concentrate according to claim 7, characterized in that: A material receiving box (112) is placed on the top side of the support plate (11) located on the right side, and the material receiving box (112) is located directly below the lower end of the material guide plate (5).

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