Rare earth metal surface oil removal device and oil removal method

Abstract

The invention belongs to the technical field of rare earth metal surface treatment, and particularly relates to a rare earth metal surface oil removing device and method.The rare earth metal surface oil removing device comprises a tank body, a uniform stirring mechanism, a connecting mechanism, a conveying belt and a drying mechanism, the uniform stirring mechanism is rotationally connected into the tank body, a liquid guiding opening and a water guiding opening are formed in the side face of the tank body, and a feeding opening is formed in the upper end of the tank body; the lower end of the tank body is provided with a discharging port and a liquid discharging port, the discharging port is provided with a valve, a connecting mechanism is connected between the discharging port and the conveying belt, and the drying mechanism is arranged on the conveying belt. The tank body, the uniform stirring mechanism, the connecting mechanism, the conveying belt and the drying mechanism are highly integrated, so that industrial production treatment is facilitated; meanwhile, the arrangement of the uniform stirring mechanism is different from that of a traditional structure and can only continuously rotate in one direction, and the situation that rare earth metal materials rotate in one direction along with liquid to reduce the stirring effect and affect the final oil removal efficiency is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of rare earth metal surface treatment, and in particular relates to a rare earth metal surface degreasing device and a degreasing method. Background Art

[0002] Rare earth metals have unique physical, electrochemical, magnetic, photoelectric and other special functions, which make them widely used in functional materials that are indispensable in modern science and technology, such as high-performance rare earth permanent magnet materials, magnetostrictive materials, magnetic refrigeration materials, rare earth hydrogen storage materials, rare earth luminescent materials, etc.

[0003] Rare earth metals are very easy to be oxidized when left in the air. In order to prevent rare earth metals from being oxidized, rare earth metals are usually immersed in protective oil for preservation. The protective oil on the surface of rare earth metals needs to be removed when they are used.

[0004] The announcement number is CN215656732U, and the patent name is a rare earth metal degreasing device. It discloses a support platform and a control cabinet located on one side of the support platform. Two sets of tracks are horizontally opened on the top of the support platform. A mobile platform is arranged above the support platform. Support wheels that are connected to the inside of the track are arranged around the bottom of the mobile platform. A cleaning tank, a spin-drying tank and a discharging tank are arranged on the top of the mobile platform from left to right. The bottom of the cleaning tank and the spin-drying tank are connected to the top of the mobile platform through two sets of cleaning tank telescopic support frames and spin-drying tank telescopic support frames respectively; the bottom of the discharging tank close to the control cabinet is connected to the top of the mobile platform through the bottom of the discharging tank. The support rod of the discharge chute is connected to the top of the mobile platform, and the bottom of the other side of the discharge chute is connected to the top of the mobile platform through the hydraulic rod of the discharge chute; two groups of roller brackets are vertically arranged on one side of the top of the support platform, and rollers are arranged on the tops of the two groups of roller brackets in a longitudinally clamped manner. The utility model has the technical characteristics of significantly reducing the labor intensity of operators and improving the efficiency and effect of degreasing by setting an automated cleaning chute, drying chute and discharge chute, and the rollers in the utility model can fully stir and clean the rare earth metals, and the fan can dry the surface of the rare earth metals after degreasing, etc.

[0005] However, the defects or technical problems it has are that the settings of various mechanisms are scattered and disordered and the integration is low, which is not conducive to industrial production and processing; and when using a drum to stir and clean rare earth metals, there is a lack of a mechanism to stir them evenly, which reduces the final oil removal effect. Therefore, based on the above defects, the applicant has proposed a better technical solution to solve the above technical problems.

[0006] The information disclosed in this background technology section is only intended to enhance the understanding of the overall background of the invention and should not be regarded as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to a person skilled in the art. Summary of the invention

[0007] The present invention aims to solve the above-mentioned technical problems and provides a rare earth metal surface degreasing device and degreasing method, which mainly solves the technical problems that the settings of various mechanisms in the prior art are scattered and disordered and the integration is low, which is not conducive to industrial production and processing; and when using a drum to stir and clean the rare earth metal, there is a lack of a mechanism to stir it evenly, thereby reducing the final degreasing effect.

[0008] To achieve the above object, the technical solution of the present invention is:

[0009] A rare earth metal surface degreasing device comprises a tank body, a mixing mechanism, a connecting mechanism, a conveyor belt and a drying mechanism.

[0010] The mixing mechanism is rotatably connected to the tank body, a liquid guide port and a water guide port are arranged on the side of the tank body, a feed port is arranged on the upper end of the tank body, a discharge port and a liquid discharge port are arranged on the lower end of the tank body, a valve is arranged on the discharge port, the connection mechanism is connected between the discharge port and the conveyor belt, and the drying mechanism is arranged on the conveyor belt.

[0011] The mixing mechanism comprises two groups of mixing components and a linkage component. The two groups of mixing components are connected to the tank body in an interval and rotational manner. The linkage component is arranged outside the tank body and connected between the two groups of mixing components.

[0012] Preferably, the mixing assembly includes a rotating shaft and a plurality of blades arranged on the rotating shaft in a circular array. The rotating shaft is rotatably connected inside the tank body, and one end thereof extends outside the tank body to be connected to the linkage assembly. The blades are provided with long through grooves.

[0013] Preferably, the linkage assembly comprises a gear 1, a gear 2, a connecting piece, a rotating member, a connecting rod and a motor. The gear 1 and the gear 2 are respectively arranged on the rotating shafts of the two mixing assemblies, and the two are meshed and connected. The connecting piece is arranged outside the gear 2 and is coaxially arranged therewith.

[0014] The rotating member comprises two rotating disks spaced apart and a connecting shaft connected between the two rotating disks, wherein one of the rotating shafts is rotatably connected to one of the rotating disks, one end of the connecting rod is rotatably connected to the connecting shaft, and the other end is rotatably connected to the connecting plate.

[0015] The output end of the motor is connected to the other rotating disk. When the motor rotates, it drives the rotating member to rotate, and drives the gear 2 to rotate forward and reverse through the connecting rod.

[0016] Preferably, the connecting mechanism comprises a connecting cylinder and a pushing assembly, one end of the connecting cylinder is connected to the discharge port, and the other end is connected to an external recovery tank.

[0017] A partition net is arranged in the connecting cylinder, the pushing assembly is arranged on one side of the partition net on the connecting cylinder, and a discharge port is arranged on the other side of the connecting cylinder, and the discharge port is connected with the conveyor belt.

[0018] Preferably, the pushing assembly includes a cylinder and a pushing plate, the cylinder is arranged outside the connecting cylinder, and its telescopic end extends into the connecting cylinder and is connected to the pushing plate, and the pushing plate abuts against the upper surface of the partition net.

[0019] Preferably, the drying mechanism comprises a cover body, a plurality of drying components and a plurality of material separation components, the cover body is arranged on the conveyor belt, the plurality of drying components are arranged on the cover body at intervals, and the plurality of material separation components are arranged horizontally in the cover body at intervals.

[0020] Preferably, the drying component includes a shell, a main pipe, a branch pipe and a plurality of air nozzles. The shell is arranged on the cover body and is connected thereto. The branch pipe is arranged in the shell and has a plurality of air nozzles arranged thereon facing the conveyor belt. The main pipe is connected to the branch pipe and is connected to an external air source.

[0021] Preferably, the material dispersing assembly comprises a column, a rotating roller and a compression member, a hole is opened on the side of the cover body, the column extends into the hole and is connected to the compression member through the compression member, and the rotating roller is rotatably connected to the column.

[0022] Preferably, the compression member includes a sliding rod, a bushing and a pressure spring. The column is provided with a through hole, and the bushings are inserted at the upper and lower ends of the through hole. The sliding rod is vertically arranged in the hole and passes through the bushing. The pressure springs are provided on the sliding rod above and below the column.

[0023] A degreasing method, using any one of the above rare earth metal surface degreasing devices, comprises the following steps:

[0024] (a) Injection

[0025] Rare earth metal raw materials are injected from the feed port, and degreasing solvent is injected from the liquid guide port;

[0026] (b) Stirring to remove oil

[0027] The starting motor drives the rotating part to rotate, thereby driving the second gear to rotate forward and reversely through the connecting rod, and then the second gear drives the first gear to rotate forward and reversely, so that the rare earth metal raw material in the tank body is stirred by the mixing component so that it is fully in contact with the degreasing solvent;

[0028] (c) Cleaning

[0029] The degreasing solvent is discharged to the outside through the drain port, and then clean water is injected through the water guide port. The motor is started to drive the rotating part to rotate. The mixing component is also used to stir the rare earth metal raw materials in the tank so that they are fully in contact with the clean water.

[0030] (d) Discharging

[0031] Open the valve, the rare earth metal raw materials are introduced into the partition net in the connecting cylinder, and the clean water flows through the partition net and is discharged to the outside through the connecting cylinder. The rare earth metal raw materials are then pushed onto the conveyor belt through the pushing assembly;

[0032] (e) Material thinning and drying

[0033] The rare earth metal raw materials are transported into the cover along the conveyor belt, and the rare earth metal raw materials on the conveyor belt are loosened and leveled by rotating rollers. Then hot gas is introduced through the main pipeline and blown by the air nozzle to dry the surface of the rare earth metal raw materials.

[0034] Due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0035] The present invention provides a rare earth metal surface degreasing device and degreasing method, which have a simple structure and ingenious design. The arranged tank body, mixing mechanism, connecting mechanism, conveyor belt and drying mechanism are highly integrated and convenient for industrial production and processing. At the same time, the arrangement of the mixing mechanism is different from the traditional structure that can only rotate in one direction continuously, so as to avoid the rare earth metal material rotating in one direction with the liquid and reducing the stirring effect, thereby affecting the final degreasing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a structural schematic diagram of the present invention;

[0037] Figure 2 A top view of the present invention;

[0038] Figure 3 for Figure 2 A magnified schematic diagram of point A;

[0039] Figure 4 It is a structural schematic diagram of the drying mechanism of the present invention;

[0040] Figure 5 for Figure 1 An enlarged schematic diagram of point B.

[0041] The main component symbols in the figure are explained as follows:

[0042] 1. Tank body; 11. Liquid guide port; 12. Water guide port; 13. Feed port; 14. Discharge port; 15. Liquid discharge port; 2. Mixing mechanism; 21. Mixing assembly; 211. Rotating shaft; 212. Blade; 2121. Long through slot; 22. Linkage assembly; 221. Gear 1; 222. Gear 2; 223. Connecting piece; 224. Rotating member; 2241. Rotating disk; 2242. Connecting shaft; 225. Connecting rod; 226. Motor; 3. Connecting mechanism; 31. Connecting cylinder; 32. Push Material assembly; 321, cylinder; 322, push plate; 4, conveyor belt; 5, drying mechanism; 51, cover; 511, hole; 52, drying assembly; 521, shell; 522, main pipeline; 523, branch pipeline; 524, air nozzle; 53, material dispersing assembly; 531, column; 532, rotating roller; 533, compression element; 5331, slide rod; 5332, bushing; 5333, pressure spring; 6, partition net; 7, discharge port; 100, valve; 200, bottom plate; 300, material dispersing sheet. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] Example

[0045] like Figures 1 to 5 As shown, a rare earth metal surface degreasing device comprises a tank body 1, a mixing mechanism 2, a connecting mechanism 3, a conveyor belt 4 and a drying mechanism 5, the mixing mechanism 2 is rotatably connected in the tank body 1, a liquid guide port 11 and a water guide port 12 are provided on the side of the tank body 1, a feed port 13 is provided at the upper end of the tank body 1, a discharge port 14 and a liquid discharge port 15 are provided at the lower end of the tank body 1, a valve 100 is provided on the discharge port 14, a connecting mechanism 3 is connected between the discharge port 14 and the conveyor belt 4, the drying mechanism 5 is arranged on the conveyor belt 4, the mixing mechanism 2 comprises two groups of mixing components 21 and a linkage component 22, the two groups of mixing components 21 are rotatably connected in the tank body 1 at intervals, and the linkage component 22 is arranged outside the tank body 1 and connected between the two groups of mixing components 21.

[0046] The tank body 1, mixing mechanism 2, connecting mechanism 3, conveyor belt 4 and drying mechanism 5 provided in the present invention are highly integrated and convenient for industrial production and processing; at the same time, the setting of the mixing mechanism 2 is different from the traditional structure which can only continuously rotate in one direction. The rare earth metal material rotates in one direction with the liquid, which reduces the stirring effect and thus affects the final oil removal efficiency.

[0047] In this embodiment, please refer to Figure 2The mixing component 21 includes a rotating shaft 211 and a plurality of blades 212 arranged in a circular array on the rotating shaft 211. The rotating shaft 211 is rotatably connected to the tank body 1, and one end thereof extends outside the tank body 1 to be connected to the linkage component 22. A long through groove 2121 is provided on the blade 212. The arrangement of the blade 212 and the long through groove 2121 facilitates the uniform mixing of the rare earth metal in the tank body 1 and the passage of the rare earth metal through the long through groove 2121 to prevent the rare earth metal from piling up on the inner periphery of the tank body 1 and affecting the degreasing effect.

[0048] See also Figure 3 The linkage assembly 22 includes a gear 1 221, a gear 222, a connecting piece 223, a rotating member 224, a connecting rod 225 and a motor 226. The gear 1 221 and the gear 222 are respectively arranged on the rotating shafts 211 of the two mixing assemblies 21, and the two are meshed and connected. The connecting piece 223 is arranged on the outer side of the gear 222 and is coaxially arranged therewith. The rotating member 224 includes two rotating disks 2241 arranged at intervals and a connecting shaft 2242 connected between the two rotating disks 2241. One of the rotating shafts 211 is rotatably connected to one rotating disk 2241. One end of the connecting rod 225 is rotatably connected to the connecting shaft 2242, and the other end is rotatably connected to the connecting piece 223. The output end of the motor 226 is connected to the other rotating disk 2241. When the motor 226 rotates, the rotating member 224 is driven to rotate, and the gear 2 222 is driven to rotate forward and reverse through the connecting rod 225.

[0049] For specific operations, please refer to Figure 1 , the rotating shaft 211 on the gear 1 221 is rotatably connected with a rotating disk 2241; when the motor 226 rotates from top to bottom along the a direction, it first drives the rotating member 224 to rotate, and then pulls the gear 2 222 to rotate along the b direction through the connecting rod 225. At this time, the gear 1 221 meshed with the gear 2 222 is in a rotation state opposite to the gear 2 222; when the motor 226 rotates from bottom to top along the a direction, the rotating member 224 continues to rotate, and then pushes the gear 2 222 to rotate along the c direction through the connecting rod 225. At this time, the gear 1 221 meshed with the gear 2 222 is in a rotation state opposite to the gear 2 222, that is, when the motor 226 continues to rotate, while driving the rotating member 224 to rotate along the a direction, the gear 2 222 can rotate alternately in the b and c directions, thereby driving the gear 1 221 meshed with it to rotate in two directions. Finally, the mixing component 21 rotates alternately in two directions to avoid reducing the stirring effect due to unidirectional rotation, thereby affecting the final oil removal efficiency.

[0050] In this embodiment, the connecting mechanism 3 includes a connecting cylinder 31 and a pushing assembly 32. One end of the connecting cylinder 31 is connected to the discharge port 14, and the other end is connected to the external recovery pool. A partition net 6 is provided in the connecting cylinder 31. A pushing assembly 32 is provided on one side of the partition net 6, and a discharge port 7 is opened on the other side of the connecting cylinder 31. The discharge port 7 is connected to the conveyor belt 4; the connecting mechanism 3 serves to connect the tank body 1 and the conveyor belt 4; at the same time, the clean water and the rare earth metal material are separated.

[0051] Specifically, the pushing assembly 32 includes a cylinder 321 and a pushing plate 322. The cylinder 321 is arranged on the outside of the connecting cylinder 31, and its telescopic end extends into the connecting cylinder 31 and is connected to the pushing plate 322. The pushing plate 322 abuts against the upper surface of the partition net 6; the pushing assembly 32 is used to push the rare earth metal material that falls on the partition net 6 to the conveyor belt 4.

[0052] In this embodiment, the drying mechanism 5 includes a cover body 51, multiple drying components 52 and multiple material spreading components 53. The cover body 51 is arranged on the conveyor belt 4, the multiple drying components 52 are arranged at intervals on the cover body 51, and the multiple material spreading components 53 are arranged horizontally at intervals in the cover body 51; the drying components 52 are used to dry the rare earth metal materials on the conveyor belt 4; the material spreading components 53 are used to spread the rare earth metal materials on the conveyor belt 4 to improve the drying effect thereof.

[0053] For details, please refer to Figure 4 The drying component 52 includes a shell 521, a main pipeline 522, a branch pipeline 523 and a plurality of air nozzles 524. The shell 521 is arranged on the cover body 51 and is connected thereto. The branch pipeline 523 is arranged in the shell 521 and is provided with a plurality of air nozzles 524 arranged toward the conveyor belt 4 at intervals. The main pipeline 522 is connected to the branch pipeline 523 and is connected to an external air source. During specific operation, the external hot air source passes through the main pipeline 522 and the branch pipeline 523 and is sprayed out through the air nozzle 524 to dry the rare earth metal material.

[0054] The material dispersing assembly 53 includes a column 531, a rotating roller 532 and a compression member 533. A hole 511 is opened on the side of the cover body 51. The column 531 extends into the hole 511 and is connected thereto through the compression member 533. The rotating roller 532 is rotatably connected to the column 531. The rotating roller 532 can float up and down under the action of the compression member 533, which is convenient for rare earth metal materials of different sizes to pass through and spread them out, thereby preventing the rare earth metal materials from piling up on the conveyor belt 4.

[0055] For details, please refer to Figure 5The compression member 533 includes a slide rod 5331, a bushing 5332 and a pressure spring 5333. The column rod 531 is provided with a through hole, and bushings 5332 are inserted into the upper and lower ends of the through hole. The slide rod 5331 is vertically arranged in the hole 511 and passes through the bushing 5332. Pressure springs 5333 are provided on the slide rod 5331 at the upper and lower parts of the column rod 531.

[0056] In this embodiment, the rotating roller 532 is provided with material-release sheets 300 at intervals, which facilitate the flattening of the rare earth metal material and facilitate the subsequent drying operation; the bottom of the tank body 1 is provided with a bottom plate 200 inclined toward the discharge port 14, and the bottom plate 200 serves to guide the rare earth metal material, thereby facilitating its introduction into the connecting cylinder 31 through the discharge port 14.

[0057] In this embodiment, a degreasing method comprises the following steps:

[0058] (a) Injection

[0059] Rare earth metal raw materials are injected from the feed port 13, and degreasing solvent is injected from the liquid guide port 11;

[0060] (b) Stirring to remove oil

[0061] The starter motor 226 drives the rotating member 224 to rotate, thereby driving the gear 2 222 to rotate forward and reverse through the connecting rod 225, and then the gear 2 222 drives the gear 1 221 to rotate forward and reverse, so that the rare earth metal raw material in the tank body 1 is stirred by the mixing component 21 so that it is fully in contact with the degreasing solvent;

[0062] (c) Cleaning

[0063] The degreasing solvent is discharged to the outside through the drain port 15, and then clean water is injected through the water inlet 12, and the motor 226 is started to drive the rotating member 224 to rotate. Similarly, the mixing component 21 is used to stir the rare earth metal raw material in the tank body 1 so that it is fully in contact with the clean water;

[0064] (d) Discharging

[0065] Open the valve 100, the rare earth metal raw material is introduced to the partition screen 6 in the connecting cylinder 31, and the clean water flows through the partition screen 6 and is discharged to the outside through the connecting cylinder 31, and the rare earth metal raw material is then pushed to the conveyor belt 4 through the pushing assembly 32;

[0066] (e) Material thinning and drying

[0067] The rare earth metal raw materials are transported to the cover body 51 along the conveyor belt 4, and the rare earth metal raw materials on the conveyor belt 4 are loosened and leveled by the rotating roller 532. Then, hot gas is introduced through the main pipeline 522 and sprayed by the gas nozzle 524 to dry the surface of the rare earth metal raw materials.

[0068] The present invention provides a rare earth metal surface degreasing device and degreasing method, which have a simple structure and ingenious design. The tank body 1, mixing mechanism 2, connecting mechanism 3, conveyor belt 4 and drying mechanism 5 are highly integrated and convenient for industrial production and processing; at the same time, the mixing mechanism 2 is different from the traditional structure that can only rotate in one direction continuously, so as to avoid the rare earth metal material rotating in one direction with the liquid and reducing the stirring effect, thereby affecting the final degreasing efficiency.

[0069] The above description is a detailed description of the preferred feasible embodiments of the present invention, but the embodiments are not intended to limit the scope of the patent application of the present invention. All equivalent changes or modified changes completed under the technical spirit suggested by the present invention should fall within the patent scope covered by the present invention.

Claims

1. A rare earth metal surface degreasing device, characterized in that: It comprises a tank body (1), a mixing mechanism (2), a connecting mechanism (3), a conveyor belt (4) and a drying mechanism (5). The mixing mechanism (2) is rotatably connected in the tank body (1); a liquid guide port (11) and a water guide port (12) are provided on the side of the tank body (1); a feed port (13) is provided at the upper end of the tank body (1); a discharge port (14) and a liquid discharge port (15) are provided at the lower end of the tank body (1); a valve (100) is provided on the discharge port (14); the connection mechanism (3) is connected between the discharge port (14) and the conveyor belt (4); and the drying mechanism (5) is provided on the conveyor belt (4). The mixing mechanism (2) comprises two groups of mixing components (21) and a linkage component (22); the two groups of mixing components (21) are connected to the tank body (1) in a rotationally spaced manner; and the linkage component (22) is arranged outside the tank body (1) and connected between the two groups of mixing components (21).

2. A rare earth metal surface degreasing device as claimed in claim 1, characterized in that: The mixing component (21) comprises a rotating shaft (211) and a plurality of blades (212) arranged in a circular array on the rotating shaft (211); the rotating shaft (211) is rotatably connected inside the tank body (1), and one end thereof extends outside the tank body (1) to be connected to the linkage component (22); and the blades (212) are provided with long through grooves (2121).

3. A rare earth metal surface degreasing device as claimed in claim 2, characterized in that: The linkage assembly (22) comprises a gear 1 (221), a gear 2 (222), a connecting piece (223), a rotating member (224), a connecting rod (225) and a motor (226); the gear 1 (221) and the gear 2 (222) are respectively arranged on the rotating shafts (211) of the two mixing assemblies (21) and the two are meshedly connected; the connecting piece (223) is arranged outside the gear 2 (222) and is coaxially arranged therewith; The rotating member (224) comprises two rotating disks (2241) spaced apart and a connecting shaft (2242) connected between the two rotating disks (2241), wherein one of the rotating shafts (211) is rotatably connected to one of the rotating disks (2241), one end of the connecting rod (225) is rotatably connected to the connecting shaft (2242), and the other end is rotatably connected to the connecting plate (223). The output end of the motor (226) is connected to the other rotating disk (2241). When the motor (226) rotates, it drives the rotating member (224) to rotate, and drives the gear 2 (222) to rotate in a forward and reverse state through the connecting rod (225).

4. A rare earth metal surface degreasing device as claimed in claim 1, characterized in that: The connecting mechanism (3) comprises a connecting cylinder (31) and a material pushing assembly (32), one end of the connecting cylinder (31) is connected to the material outlet (14), and the other end is connected to an external recovery pool. A partition net (6) is provided inside the connecting cylinder (31), the pushing assembly (32) is provided on one side of the partition net (6) on the connecting cylinder (31), and a discharge port (7) is provided on the other side of the connecting cylinder (31), and the discharge port (7) is connected to the conveyor belt (4).

5. A rare earth metal surface degreasing device as claimed in claim 4, characterized in that: The pusher assembly (32) comprises a cylinder (321) and a push plate (322). The cylinder (321) is arranged outside the connecting cylinder (31), and its telescopic end extends into the connecting cylinder (31) and is connected to the push plate (322). The push plate (322) abuts against the upper surface of the partition net (6).

6. A rare earth metal surface degreasing device as claimed in claim 1, characterized in that: The drying mechanism (5) comprises a cover body (51), a plurality of drying components (52) and a plurality of material separation components (53); the cover body (51) is arranged on the conveyor belt (4); the plurality of drying components (52) are arranged on the cover body (51) at intervals; and the plurality of material separation components (53) are arranged horizontally in the cover body (51) at intervals.

7. A rare earth metal surface degreasing device as claimed in claim 6, characterized in that: The drying component (52) comprises a shell (521), a main pipe (522), a branch pipe (523) and a plurality of air nozzles (524); the shell (521) is arranged on the cover body (51) and is connected thereto; the branch pipe (523) is arranged in the shell (521) and has a plurality of air nozzles (524) arranged thereon and facing the conveyor belt (4); the main pipe (522) is connected to the branch pipe (523) and is connected to an external air source.

8. A rare earth metal surface degreasing device as claimed in claim 6, characterized in that: The material dispersing assembly (53) comprises a column (531), a rotating roller (532) and a compression piece (533); a hole (511) is opened on the side of the cover body (51); the column (531) extends into the hole (511) and is connected to the compression piece (533) through the rotation roller (532) is rotationally connected to the column (531).

9. A rare earth metal surface degreasing device as claimed in claim 8, characterized in that: The compression member (533) includes a slide rod (5331), a bushing (5332) and a pressure spring (5333). The column rod (531) is provided with a through hole, and the bushings (5332) are inserted at the upper and lower ends of the through hole. The slide rod (5331) is vertically arranged in the hole (511) and passes through the bushing (5332). The pressure springs (5333) are provided on the slide rod (5331) above and below the column rod (531).

10. A degreasing method, using the rare earth metal surface degreasing device according to any one of claims 1 to 9, characterized in that: The following steps are involved: (a) Injection Rare earth metal raw materials are injected from the feed port (13), and degreasing solvent is injected from the liquid guide port (11); (b) Stirring to remove oil The starting motor (226) drives the rotating member (224) to rotate, thereby driving the second gear (222) to rotate forward and reverse through the connecting rod (225), and then the second gear (222) drives the first gear (221) to rotate forward and reverse, so that the rare earth metal raw material in the tank (1) is stirred by the mixing component (21) so that it is fully in contact with the degreasing solvent; (c) Cleaning The degreasing solvent is discharged to the outside through the drain port (15), and then clean water is injected through the water inlet (12). The motor (226) is started to drive the rotating member (224) to rotate. Similarly, the mixing component (21) is used to stir the rare earth metal raw material in the tank body (1) so that it is fully in contact with the clean water. (d) Discharging The valve (100) is opened, and the rare earth metal raw material is introduced onto the partition screen (6) in the connecting cylinder (31), while the clean water flows through the partition screen (6) and is discharged to the outside through the connecting cylinder (31), and the rare earth metal raw material is then pushed onto the conveyor belt (4) through the pushing assembly (32); (e) Material thinning and drying The rare earth metal raw material is transported to the cover body (51) along the conveyor belt (4), and the rare earth metal raw material on the conveyor belt (4) is loosened and leveled by the rotating roller (532). Then, hot gas is introduced through the main pipeline (522) and sprayed by the gas nozzle (524) to dry the surface of the rare earth metal raw material.

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