Magnetic separator capable of preventing magnetic materials from being wasted

Abstract

The utility model discloses a magnetic separator capable of preventing magnetic materials from being wasted, and belongs to the technical field of recovery of magnets in generators. A magnetic separator capable of preventing magnetic materials from being wasted comprises a magnetic separation bin and a roller, the roller is located in the magnetic separation bin, a material guide bin is arranged on the magnetic separation bin, a transfer material barrel is arranged below the magnetic separation bin, a feeding barrel is arranged on one side of the magnetic separation bin, and a second motor is arranged on the other side of the magnetic separation bin. In order to solve the problems that recoverable magnetic materials are wasted in the magnetic separation process and the recovery rate of the crushed magnet materials is low, a closed space is formed by a feeding bin, a material guiding bin, a magnetic separation bin, a transfer charging barrel and a feeding barrel, and the magnetic materials are discharged from a discharging opening after being separated from the crushed magnet materials in the magnetic separation bin. And the residual magnet crushed materials are guided into the magnetic separation bin along the transfer charging barrel and the feeding barrel to be subjected to magnetic separation again until the recovery rate of the magnetic materials reaches the standard, so that the waste of the magnetic materials is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the inside magnet recovery technical field of generator, concretely is a magnetic separator that avoids magnetic material being wasted. BACKGROUND

[0002] The magnet (such as neodymium iron boron permanent magnet) inside generator needs to extract rare earth and other rare materials through powder grinding recovery process after aging or equipment scrap, and its flow includes: after disassembling magnet components, crushing, grinding into micron grade powder, then separating rare earth elements by chemical leaching or high temperature smelting, this process can effectively recover high value materials such as neodymium and dysprosium, reduce the dependence on primary mineral resources, and the magnetic separator plays a key role in magnet recovery, which can efficiently separate magnetic substances (such as iron and nickel) from non-magnetic impurities in the mixture after grinding through the difference of magnetic field gradient, with the characteristics of high recovery rate, low energy consumption, high economy and environmental protection.

[0003] However, the existing magnetic separator has the problems of low recovery rate of magnet crushed material and waste of recoverable magnetic material when carrying out magnet crushed material recovery operation, and cannot meet the existing demand, so a magnetic separator that avoids waste of magnetic material is proposed. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of magnetic separators that avoid waste of magnetic material, by being composed of closed space with feeding bin, guide bin, magnetic selection bin, transfer cylinder and feeding cylinder, magnetic material is discharged from discharge port after being separated from magnet crushed material in the inside of magnetic selection bin, and remaining magnet crushed material is guided into the inside of magnetic selection bin again along transfer cylinder and feeding cylinder and is magnetically selected again, until the recovery rate of magnetic material reaches standard, so as to avoid waste of magnetic material, and the problems in the prior art can be solved.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of magnetic separator that avoids waste of magnetic material, including magnetic selection bin, further including drum, the drum is located in the inside of magnetic selection bin, the upper surface of magnetic selection bin is provided with guide bin, the lower of magnetic selection bin is provided with transfer cylinder, one side of magnetic selection bin is provided with feeding cylinder, the other side of magnetic selection bin is provided with second motor, magnetic selection bin is connected with transfer cylinder by hopper, the side of hopper is provided with discharge port, the drum is hollow cylindrical structure, and the curved surface inner wall of drum is provided with a plurality of magnets, the inside of drum is provided with first transmission shaft, and the inside of transfer cylinder is provided with second transmission shaft.

[0006] Preferably, the second motor is fixed to the side of the magnetic selection bin, and the second motor has a driving gear at one end. The middle part of the first transmission shaft has a driven gear, and the driven gear and the driving gear are engaged.

[0007] Preferably, the inside of the transfer cylinder is provided with a transfer screw rod, the transfer screw rod is installed on the second transmission shaft, one end of the second transmission shaft extends to the outside through the transfer cylinder, and the outside end of the second transmission shaft is provided with a driven wheel.

[0008] Preferably, one end of the first transmission shaft extends to the outside through the magnetic separation bin, the outside end of the first transmission shaft is provided with a driving wheel, and the driving wheel and the driven wheel are connected through a belt.

[0009] Preferably, one end of the transfer cylinder is connected with the side of the feeding cylinder, the inside of the feeding cylinder is provided with a feeding screw rod, and the lower end of the feeding screw rod is provided with a first motor.

[0010] Preferably, the feeding bin is provided above the guide bin, the upper surface of the feeding bin is provided with a door body, the upper end of the feeding cylinder is provided with a feeding opening, one end of the feeding opening is connected with the side of the feeding cylinder, and the other end of the feeding opening is inclined downward and extends to the inside of the feeding bin.

[0011] Preferably, the inside of the guide bin is provided with a left guide plate and a right guide plate, the lower end of the right guide plate is provided with a baffle, and the lower end of the baffle is attached to the side of the roller.

[0012] Preferably, the discharging opening is a hollow cuboid structure, the discharging opening comprises a scraper and a discharging plate, and one end of the scraper is attached to the side of the roller.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a closed space is formed by feeding bin, guide bin, magnetic separation bin, transfer cylinder and feeding cylinder, after the door body on the feeding bin is closed after the magnetic material is added to the inside of the closed space from the door body, the magnetic material is separated from the magnet crushing material in the inside of the magnetic separation bin, and then the remaining magnet crushing material is discharged from the discharging opening, and the remaining magnet crushing material is guided into the inside of the magnetic separation bin along the transfer cylinder and the feeding cylinder and is selected again, until the recovery rate of the magnetic material reaches the standard, thereby the waste of the magnetic material is avoided, and the dust is prevented from spreading to the room, and the working environment of the personnel is protected.

[0015] 2、The utility model discloses a rotatable roller is arranged in the inside of the magnetic separation bin, a plurality of groups of magnets are arranged in the inside of the roller, after the roller is rotated by the second motor, the magnetic crushing material contacts the side of the roller along the left guide plate and the right guide plate, the magnetic material is attached to the side of the roller by the magnet, and the remaining magnetic crushing material falls to the inside of the transfer cylinder, then the magnetic material rotates along with the roller, the scraper separates the magnetic material from the side of the roller, and finally the magnetic material is discharged from the discharging opening, thereby the separation efficiency of the magnetic material from the magnetic crushing material is guaranteed. DRAWINGS

[0016] Figure 1 It is the overall front view of the utility model;

[0017] Figure 2 It is the local structure schematic view of the transfer cylinder of the utility model;

[0018] Figure 3 It is the local structure schematic view of the magnetic selection bin of the utility model;

[0019] Figure 4 It is the local structure schematic view of the roller of the utility model.

[0020] In the figure: 1, magnetic selection bin; 2, guide bin; 201, left guide plate; 202, right guide plate; 203, baffle; 3, feeding bin; 301, door body; 4, transfer cylinder; 5, discharge port; 501, scraper; 502, discharge plate; 6, feeding cylinder; 601, first motor; 602, feeding screw; 603, feeding port; 7, first transmission shaft; 701, driven gear; 702, driving wheel; 703, roller; 704, magnet; 8, second motor; 801, driving gear; 9, second transmission shaft; 901, driven wheel; 902, transfer screw. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] In order to solve the problem that the magnetic selection machine is wasted in the process of multiple magnetic selection and crushing of the material, the recyclable magnetic material is wasted, and the recovery rate of the magnetic crushed material is low, please refer to Figures 1-4 The utility model provides an embodiment: a magnetic selection machine capable of avoiding waste of magnetic material, which comprises a magnetic selection bin 1, a roller 703, a guide bin 2 arranged on the top of the magnetic selection bin 1, a transfer cylinder 4 arranged below the magnetic selection bin 1, a feeding cylinder 6 arranged on one side of the magnetic selection bin 1, a second motor 8 arranged on the other side of the magnetic selection bin 1, the magnetic selection bin 1 and the transfer cylinder 4 are connected through a hopper, the hopper is provided with a discharge port 5 on the side, the roller 703 is a hollow cylindrical structure, a plurality of magnets 704 are arranged on the curved inner wall of the roller 703, the first transmission shaft 7 is arranged in the roller 703, and the second transmission shaft 9 is arranged in the transfer cylinder 4.

[0023] The second motor 8 is fixed on the side of the magnetic selection bin 1, one end of the second motor 8 is provided with a driving gear 801, the middle part of the first transmission shaft 7 is provided with a driven gear 701, the driven gear 701 and the driving gear 801 are engaged, the inside of the transfer cylinder 4 is provided with a transfer screw 902, the transfer screw 902 is installed on the second transmission shaft 9, one end of the second transmission shaft 9 extends to the outside through the transfer cylinder 4, the outside end of the second transmission shaft 9 is provided with a driven wheel 901, one end of the first transmission shaft 7 extends to the outside through the magnetic selection bin 1, the outside end of the first transmission shaft 7 is provided with a driving wheel 702, the driving wheel 702 and the driven wheel 901 are connected through a belt, one end of the transfer cylinder 4 is connected with the side of the feeding cylinder 6, the inside of the feeding cylinder 6 is provided with a feeding screw 602, and the lower end of the feeding screw 602 is provided with a first motor 601.

[0024] The feeding bin 3, the guide bin 2, the magnetic selection bin 1, the transfer cylinder 4 and the feeding cylinder 6 form a closed space, personnel add magnetic crushed materials into the inside of the closed space through the door body 301 above the feeding bin 3, and then the door body 301 is closed, after that, the magnetic materials are separated from the magnetic crushed materials in the inside of the magnetic selection bin 1 and discharged from the discharge port 5, and the remaining magnetic crushed materials are guided into the inside of the magnetic selection bin 1 through the transfer cylinder 4 and the feeding cylinder 6 and then magnetically selected again until the recovery rate of the magnetic materials reaches the standard, so that the waste of the magnetic materials is avoided, meanwhile, since the whole process is located in the inside of the closed space, the dust is avoided from spreading into the room, the working environment of the personnel is protected, and the recycling of the resources is further realized.

[0025] The upper part of the guide bin 2 is provided with the feeding bin 3, the upper surface of the feeding bin 3 is provided with the door body 301, the upper end of the feeding cylinder 6 is provided with a feeding port 603, one end of the feeding port 603 is connected with the side of the feeding cylinder 6, the other end of the feeding port 603 is inclined downward and extends to the inside of the feeding bin 3, the inside of the guide bin 2 is provided with a left guide plate 201 and a right guide plate 202, the lower end of the right guide plate 202 is provided with a baffle 203, the lower end of the baffle 203 is attached to the side of the roller 703, the discharge port 5 is a hollow cuboid structure, the discharge port 5 comprises a scraper 501 and a discharge plate 502, and one end of the scraper 501 is attached to the side of the roller 703.

[0026] After the second motor 8 drives the roller 703 to rotate, the magnetic crushed material contacts the side surface of the roller 703 along the left guide plate 201 and the right guide plate 202, the magnetic material is attracted and adhered to the side surface of the roller 703 by the magnet 704, the remaining magnetic crushed material falls into the inside of the transfer cylinder 4, then the magnetic material rotates with the roller 703, the scraper 501 separates the magnetic material from the side surface of the roller 703, finally the magnetic material is discharged from the discharge port 5, wherein the baffle 203 limits the falling direction of the magnetic crushed material, ensures that the falling direction of the magnetic crushed material is consistent with the rotating direction of the roller 703, guarantees that the magnetic crushed material can fully contact with the roller 703, thereby further improving the separation efficiency of the magnetic material from the magnetic crushed material.

[0027] Working principle: the feeding bin 3, the guide bin 2, the magnetic separation bin 1, the transfer cylinder 4 and the feeding cylinder 6 form a closed space, personnel add the magnetic crushed material into the inside of the closed space through the door body 301 above the feeding bin 3, then close the door body 301, after the magnetic material is separated from the magnet crushed material in the inside of the magnetic separation bin 1, the magnetic material is discharged from the discharge port 5, the remaining magnet crushed material is guided into the inside of the magnetic separation bin 1 through the transfer cylinder 4 and the feeding cylinder 6 again for magnetic separation, until the recovery rate of the magnetic material reaches the standard, thereby avoiding the waste of the magnetic material.

[0028] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that comprises a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.

[0029] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application.

Claims

1. A magnetic separator for avoiding waste of magnetic material, comprising a magnetic separation bin (1), characterized in that ； Also include the drum (703), the drum (703) is located inside the magnetic separation bin (1), the upper surface of the magnetic separation bin (1) is provided with the guide bin (2), the lower surface of the magnetic separation bin (1) is provided with the transfer cylinder (4), one side of the magnetic separation bin (1) is provided with the feeding cylinder (6), the other side of the magnetic separation bin (1) is provided with the second motor (8), the magnetic separation bin (1) is connected with the transfer cylinder (4) through the hopper, the side surface of the hopper is provided with the discharge port (5), the drum (703) is a hollow cylindrical structure, a plurality of magnets (704) are arranged on the curved inner wall of the drum (703), the first transmission shaft (7) is arranged in the drum (703), and the second transmission shaft (9) is arranged in the transfer cylinder (4).

2. A magnetic separator that avoids wasting magnetic material according to claim 1, characterized in that: The second motor (8) is fixed to the side surface of the magnetic separation bin (1), one end of the second motor (8) is provided with a driving gear (801), and the middle part of the first transmission shaft (7) is provided with a driven gear (701).

3. A magnetic separator for avoiding waste of magnetic material according to claim 1, characterized in that: The transfer cylinder (4) is provided with a transfer screw (902) in the inside, the transfer screw (902) is installed on the second transmission shaft (9), one end of the second transmission shaft (9) extends to the outside through the transfer cylinder (4), and the outer end of the second transmission shaft (9) is provided with a driven wheel (901).

4. The magnetic separator for avoiding waste of magnetic material according to claim 1, characterized in that: One end of the first transmission shaft (7) extends to the outside through the magnetic separation bin (1), and the outer end of the first transmission shaft (7) is provided with a driving wheel (702), the driving wheel (702) and the driven wheel (901) are connected through a belt.

5. The magnetic separator for avoiding waste of magnetic material according to claim 1, characterized in that: One end of the transfer cylinder (4) is connected with the side surface of the feeding cylinder (6), the feeding cylinder (6) is provided with a feeding screw (602) in the inside, and the lower end of the feeding screw (602) is provided with a first motor (601).

6. A magnetic separator that avoids wasting magnetic material according to claim 1, characterized in that: The upper surface of the guide bin (2) is provided with a feeding bin (3), the upper surface of the feeding bin (3) is provided with a door body (301), the upper end of the feeding cylinder (6) is provided with a feeding port (603), one end of the feeding port (603) is connected with the side surface of the feeding cylinder (6), and the other end of the feeding port (603) is inclined downward and extends to the inside of the feeding bin (3).

7. A magnetic separator that avoids wasting magnetic material according to claim 1, characterized in that: The inside of the guide bin (2) is provided with a left guide plate (201) and a right guide plate (202), the lower end of the right guide plate (202) is provided with a baffle (203), and the lower end of the baffle (203) is attached to the side surface of the drum (703).

8. A magnetic separator that avoids wasting magnetic material according to claim 1, characterized in that: The discharge port (5) is a hollow cuboid structure, and the discharge port (5) comprises a scraper (501) and a discharge plate (502), one end of the scraper (501) is attached to the side surface of the drum (703).

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