Size mixing device for recycling neodymium iron boron waste

Abstract

The utility model relates to the technical field of neodymium-iron-boron magnets, in particular to a size mixing device for recycling neodymium-iron-boron waste materials. The slurry mixing device comprises a slurry mixing tank, a cover is arranged above the slurry mixing tank, the upper end of the cover is fixedly connected with a stirring motor, the output end of the stirring motor is fixedly connected with a stirring shaft, the stirring shaft movably penetrates through the lower end of the cover, the circumferential side of the stirring shaft is fixedly connected with a plurality of stirring rods, and the lower end of the stirring shaft is fixedly connected with a connecting hopper. A plurality of stirring teeth are connected to the lower portion of the connecting hopper through a moving mechanism, the moving mechanism comprises a rectangular groove, a double-gauge spool, two traction ropes, two springs and two sliding blocks, the rectangular groove is formed in the lower end of the connecting hopper, the two springs are fixedly connected to the two side walls of the rectangular groove respectively, and the two sliding blocks are fixedly connected to one sides of the two springs respectively. The stirring effect of materials at the bottom of the size mixing tank is improved, and the stirring and size mixing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of NdFeB magnets, in particular to a slurry mixing device for recycling NdFeB waste. Background Art

[0002] NdFeB magnets can be categorized as bonded NdFeB and sintered NdFeB. Bonding is essentially injection molding, while sintering is formed by vacuuming and then heating at high temperatures. NdFeB magnets are currently the strongest permanent magnets at room temperature (their magnetic properties at absolute zero are second only to holmium magnets, but at room temperature they are far stronger than all known permanent magnets).

[0003] When recycling NdFeB waste, when slurrying NdFeB waste, the bottom of the adjustment tank is generally set as a conical bucket for easy drainage. During stirring, the material stirring effect at the bottom of the NdFeB waste slurrying tank is not good, resulting in poor overall stirring efficiency of the material in the NdFeB waste slurrying tank, affecting the overall adjustment efficiency, and thus affecting production efficiency. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a slurry mixing device for recycling NdFeB waste, which has the effect of improving the stirring effect of the material at the bottom of the slurry mixing tank, thereby improving the overall slurry mixing efficiency.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions:

[0006] The agitator is installed in the top of the cover, and the agitator is connected with the agitator shaft by the agitator shaft, and the agitator shaft extends through the cover to the bottom of the cover, and the agitator shaft is connected with the agitator shaft by the agitator shaft.

[0007] By adopting the above technical solution, the moving mechanism, stirring teeth, connecting bucket, stirring shaft, and stirring rod, the moving mechanism can drive the stirring teeth to move and stir when rotating and stirring, thereby improving the stirring efficiency.

[0008] In a preferred example, the present invention can be further configured as follows: two limiting rods are fixedly connected between the side walls of the rectangular groove, and the two sliding blocks are slidably connected to the circumferential sides of the two limiting rods.

[0009] By adopting the above technical solution, the limiting rod and the sliding block are slidably matched, which can improve the movement stability of the sliding block.

[0010] In a preferred example, the present invention can be further configured as follows: a reciprocating mechanism is provided above the double-gauge I-shaped pulley, the reciprocating mechanism includes a mounting groove, a gear, a rotating motor and a half gear, the mounting groove is opened in the connecting bucket, the gear and the half gear are both rotatably connected to the inner bottom wall of the mounting groove, the rotating motor is fixedly connected to the inner top wall of the mounting groove, the output end of the rotating motor is fixed to the upper end of the half gear, the gear and the half gear are intermittently meshed, and the gear is fixed to the double-gauge I-shaped pulley through a rotating shaft.

[0011] By adopting the above technical solution, the reciprocating mechanism can drive the double-gauge I-shaped pulley to rotate intermittently.

[0012] In a preferred example, the present invention can be further configured as follows: a plurality of circular grooves are provided on the circumferential inner wall of the slurry mixing tank, a plurality of connecting pipes are slidably connected in the circular grooves, and a discharge pipe is provided on the circumferential side of the plurality of connecting pipes.

[0013] By adopting the above technical solution, the circular trough, the connecting pipe and the discharge pipe can be used to aerate and stir the slurry mixing tank, and can also be used for liquid addition.

[0014] In a preferred example, the present invention can be further configured as follows: the plurality of connecting tubes are movably inserted through the upper end of the cover, the upper ends of the plurality of connecting tubes are rotatably connected to connecting heads, and the circumferential inner walls of the plurality of connecting heads are provided with threaded grooves.

[0015] By adopting the above technical solution, the threaded groove of the connector can facilitate the connection of the connecting pipe with the external pipeline.

[0016] In a preferred example, the present invention can be further configured as follows: two connecting rods are fixedly connected to the circumferential side of the stirring shaft, the other sides of the two stirring rods are fixedly connected to scraper plates, and the two scraper plates are both in contact with the circumferential inner wall of the slurry mixing tank, and one side of the two scraper plates is fixedly connected to an extension rod.

[0017] By adopting the above technical solution, the scraper plate, the extension rod and the connecting rod can stir the material on the inner wall of the slurry mixing tank.

[0018] In a preferred example, the present invention can be further configured as follows: a base frame is provided under the slurry mixing tank, and the base frame is fixed to the circumferential side of the slurry mixing tank, both sides of the cover are fixedly connected with connecting plates, the upper end of the base frame is fixedly connected to two hydraulic cylinders, and the output ends of the two hydraulic cylinders are respectively fixed to the lower ends of the two connecting plates.

[0019] By adopting the above technical solution, the hydraulic cylinder can push the base frame and the lid upward, making it convenient to open the lid.

[0020] In summary, the present invention has at least one of the following beneficial technical effects:

[0021] 1. A slurry mixing tank, a lid, a stirring motor, a moving mechanism, stirring teeth, a connecting bucket, a stirring shaft, and a stirring rod are provided. The stirring motor is started, and the output end of the stirring motor drives the stirring shaft to rotate, and the double-gauge I-shaped pulley rotates. The traction rope is wrapped around the circumferential side of the double-gauge I-shaped pulley, and the traction rope pulls the sliding block and the stirring teeth to move. The spring is in a stretched state, and the stirring teeth move. The position of the stirring teeth can be adjusted for stirring. The moving mechanism can drive the stirring teeth to move and stir while rotating and stirring, thereby improving the stirring effect of the material at the bottom of the slurry mixing tank and improving the stirring and slurry mixing efficiency.

[0022] 2. A reciprocating mechanism is provided. Start the rotating motor. The output end of the rotating motor drives the half gear to rotate. When the half gear rotates to the side with gear teeth, the half gear and the gear are engaged, and the gear drives the double-gauge I-shaped wheel to rotate. When the gear rotates to the side without gear teeth, the half gear and the gear are not engaged. The spring pulls the sliding block back to its original position due to its own elastic recovery, and the double-gauge I-shaped wheel rotates in the opposite direction, thereby driving the stirring teeth to move back and forth. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a perspective view of this embodiment;

[0024] Figure 2 is a perspective cross-sectional view of this embodiment;

[0025] Figure 3 This embodiment Figure 2 A partial enlarged view of point A in the middle;

[0026] Figure 4 This embodiment Figure 2 A partial enlarged view of point B in the middle.

[0027] In the figure, 1. base frame; 2. slurry mixing tank; 3. cover; 4. stirring motor; 5. connecting plate; 6. hydraulic cylinder; 7. connector; 8. threaded groove; 9. stirring shaft; 10. stirring rod; 11. scraper plate; 12. extension rod; 13. circular groove; 14. connecting pipe; 15. discharge pipe; 16. connecting bucket; 17. moving mechanism; 1701. rectangular groove; 1702. double-gauge I-shaped pulley; 1703. traction rope; 1704. spring; 1705. sliding block; 1706. limit rod; 18. reciprocating mechanism; 1801. mounting groove; 1802. gear; 1803. rotating motor; 1804. half gear; 19. stirring teeth; 20. connecting rod. DETAILED DESCRIPTION

[0028] The present invention will be described in further detail below with reference to the accompanying drawings. Example

[0029] Reference Figure 1-4 The utility model discloses a slurry mixing device for recycling NdFeB waste, including a slurry mixing tank 2, a lid 3 is provided above the slurry mixing tank 2, the upper end of the lid 3 is fixedly connected to a stirring motor 4, the output end of the stirring motor 4 is fixedly connected to a stirring shaft 9, and the stirring shaft 9 movably passes through the lower end of the lid 3, a plurality of stirring rods 10 are fixedly connected to the circumferential side of the stirring shaft 9, the lower end of the stirring shaft 9 is fixedly connected to a connecting bucket 16, and a plurality of stirring teeth 19 are connected to the lower part of the connecting bucket 16 through a moving mechanism 17, the moving mechanism 17 includes a rectangular groove 1701, a double-gauge I-shaped wheel 1702, two traction ropes 1703, two springs 1704 and two sliding blocks 1705, the rectangular groove 1701 is opened at the lower end of the connecting bucket 16, the two springs 1704 are respectively fixedly connected to the two side walls of the rectangular groove 1701, and the two sliding blocks 1705 are respectively fixedly connected to the two On one side of the spring 1704, the two traction ropes 1703 are respectively fixedly connected to the other side of the two sliding blocks 1705, the double-gauge I-shaped pulley 1702 is rotatably connected to the inner top wall of the rectangular groove 1701, the two traction ropes 1703 are fixed to the circumferential side of the double-gauge I-shaped pulley 1702, and multiple stirring teeth 19 are respectively fixedly connected to the lower ends of the two sliding blocks 1705. Start the stirring motor 4, and the output end of the stirring motor 4 drives the stirring shaft 9 to rotate. The double-gauge I-shaped pulley 1702 rotates, and the traction rope 1703 is wrapped around the circumferential side of the double-gauge I-shaped pulley 1702. The traction rope 1703 pulls the sliding block 1705 and the stirring teeth 19 to move. The spring 1704 is in a stretched state, and the stirring teeth 19 move. The position of the stirring teeth 19 can be adjusted for stirring. The moving mechanism 17 can drive the stirring teeth 19 to move and stir during rotation and stirring, thereby improving the stirring and slurry mixing efficiency.

[0030] Two limiting rods 1706 are fixedly connected between the side walls of the rectangular groove 1701, and two sliding blocks 1705 are slidably connected to the circumferential sides of the two limiting rods 1706. The limiting rods 1706 and the sliding blocks 1705 are slidably matched to improve the movement stability of the sliding blocks 1705.

[0031] A reciprocating mechanism 18 is provided above the double-gauge I-shaped wheel 1702. The reciprocating mechanism 18 includes a mounting groove 1801, a gear 1802, a rotating motor 1803 and a half gear 1804. The mounting groove 1801 is provided in the connecting bucket 16. The gear 1802 and the half gear 1804 are both rotatably connected to the inner bottom wall of the mounting groove 1801. The rotating motor 1803 is fixedly connected to the inner top wall of the mounting groove 1801. The output end of the rotating motor 1803 is fixed to the upper end of the half gear 1804. The gear 1802 and the half gear 1804 are intermittently meshed. The gear 1802 is connected to the double-gauge I-shaped wheel 1702 through the rotating shaft. The standard I-shaped wheel 1702 is fixed, and the rotating motor 1803 is started. The output end of the rotating motor 1803 drives the half gear 1804 to rotate. When the half gear 1804 rotates to the side with gear teeth, the half gear 1804 and the gear 1802 are engaged, and the gear 1802 drives the double-standard I-shaped wheel 1702 to rotate. When the gear 1802 rotates to the side without gear teeth, the half gear 1804 and the gear 1802 are not engaged. The spring 1704 pulls the sliding block 1705 back to its original position due to its own elastic recovery, and the double-standard I-shaped wheel 1702 rotates in the opposite direction, thereby driving the stirring teeth 19 to move back and forth.

[0032] A plurality of circular grooves 13 are provided on the circumferential inner wall of the slurry mixing tank 2, and connecting pipes 14 are slidably connected in the plurality of circular grooves 13. Discharge pipes 15 are provided on the circumferential sides of the plurality of connecting pipes 14. The circular grooves 13, connecting pipes 14 and discharge pipes 15 can be used to aerate and stir the slurry mixing tank 2, and can also be used for liquid addition.

[0033] Multiple connecting tubes 14 are movably passed through the upper end of the cover 3, and the upper ends of the multiple connecting tubes 14 are rotatably connected to the connecting heads 7. The circumferential inner walls of the multiple connecting heads 7 are provided with threaded grooves 8. The threaded grooves 8 of the connecting heads 7 can facilitate the connection of the connecting tubes 14 with external pipelines.

[0034] Two connecting rods 20 are fixedly connected to the circumferential side of the stirring shaft 9, and the other sides of the two stirring rods 10 are fixedly connected to scraper plates 11, and the two scraper plates 11 are both in contact with the circumferential inner wall of the slurry mixing tank 2. One side of the two scraper plates 11 is fixedly connected to an extension rod 12. The connecting rod 20 drives the scraper plates 11 to rotate with the stirring shaft 9, and the scraper plates 11 can scrape and stir the material on the inner wall of the slurry mixing tank 2.

[0035] A base frame 1 is provided below the slurry mixing tank 2, and the base frame 1 is fixed to the circumferential side of the slurry mixing tank 2. Connecting plates 5 are fixedly connected on both sides of the cover 3. Two hydraulic cylinders 6 are fixedly connected to the upper end of the base frame 1, and the output ends of the two hydraulic cylinders 6 are respectively fixed to the lower ends of the two connecting plates 5. The hydraulic cylinders 6 can push the base frame 1 and the cover 3 upward, making it convenient to open the cover 3.

[0036] The implementation principle of the above embodiment is as follows: NdFeB waste is added into the slurry mixing tank 2, the stirring motor 4 is started, the output end of the stirring motor 4 drives the stirring shaft 9 to rotate, the rotating motor 1803 is started, the output end of the rotating motor 1803 drives the half gear 1804 to rotate, when the half gear 1804 rotates to the side with the gear teeth, the half gear 1804 and the gear 1802 are engaged, the gear 1802 drives the double-gauge I-shaped wheel 1702 to rotate, the double-gauge I-shaped wheel 1702 rotates, the traction rope 1703 is wrapped around the circumferential side of the double-gauge I-shaped wheel 1702, the traction rope 1703 pulls the sliding block 1705 and the stirring tooth 19 to move, the spring 1704 is in a stretched state, and the stirring tooth 1 9 moves, the position of the stirring teeth 19 can be adjusted for stirring, the moving mechanism 17 can drive the stirring teeth 19 to move and stir when rotating and stirring, thereby improving the stirring and slurry mixing efficiency. When the gear 1802 rotates to the side without gear teeth, the half gear 1804 and the gear 1802 are not engaged, and the spring 1704 pulls the sliding block 1705 back to its original position due to its own elastic recovery, and the double-gauge I-wheel 1702 rotates in the opposite direction, thereby driving the stirring teeth 19 to move back and forth. The stirring teeth 19 can move back and forth while rotating with the stirring shaft 9, adjusting the distance between the stirring teeth 19 and the inner wall of the slurry mixing tank 2, thereby improving the stirring efficiency of the bottom material, thereby adjusting the overall slurry mixing efficiency.

[0037] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0038] The embodiments of this specific implementation method are all preferred embodiments of the present utility model, and are not intended to limit the scope of protection of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. A slurry mixing device for recycling NdFeB waste, comprising a slurry mixing tank (2), characterized in that: A lid (3) is provided above the slurry mixing tank (2); the upper end of the lid (3) is fixedly connected to a stirring motor (4); the output end of the stirring motor (4) is fixedly connected to a stirring shaft (9), and the stirring shaft (9) movably passes through the lower end of the lid (3); a plurality of stirring rods (10) are fixedly connected to the circumferential side of the stirring shaft (9); the lower end of the stirring shaft (9) is fixedly connected to a connecting bucket (16); the lower end of the connecting bucket (16) is connected to a plurality of stirring teeth (19) via a moving mechanism (17); the moving mechanism (17) comprises a rectangular groove (1701), a double-gauge I-shaped wheel (1702), two traction ropes (1703), two springs (1704) and two sliding The connecting bucket (16) comprises a block (1705), the rectangular groove (1701) is opened at the lower end of the connecting bucket (16), the two springs (1704) are respectively fixedly connected to the two side walls of the rectangular groove (1701), the two sliding blocks (1705) are respectively fixedly connected to one side of the two springs (1704), the two traction ropes (1703) are respectively fixedly connected to the other side of the two sliding blocks (1705), the double-gauge I-shaped wheel (1702) is rotatably connected to the inner top wall of the rectangular groove (1701), the two traction ropes (1703) are both fixed to the circumferential side of the double-gauge I-shaped wheel (1702), and the plurality of stirring teeth (19) are respectively fixedly connected to the lower ends of the two sliding blocks (1705).

2. The slurry mixing device for recycling NdFeB waste according to claim 1, characterized in that: Two limiting rods (1706) are fixedly connected between the side walls of the rectangular groove (1701), and the two sliding blocks (1705) are slidably connected to the circumferential sides of the two limiting rods (1706).

3. The slurry mixing device for recycling NdFeB waste according to claim 1, characterized in that: A reciprocating mechanism (18) is provided above the double-gauge I-shaped wheel (1702). The reciprocating mechanism (18) comprises a mounting groove (1801), a gear (1802), a rotating motor (1803) and a half gear (1804). The mounting groove (1801) is provided in the connecting bucket (16). The gear (1802) and the half gear (1804) are both rotatably connected to the inner bottom wall of the mounting groove (1801). The rotating motor (1803) is fixedly connected to the inner top wall of the mounting groove (1801). The output end of the rotating motor (1803) is fixed to the upper end of the half gear (1804). The gear (1802) and the half gear (1804) are intermittently meshed. The gear (1802) is fixed to the double-gauge I-shaped wheel (1702) via a rotating shaft.

4. The slurry mixing device for recycling NdFeB waste according to claim 1, characterized in that: A plurality of circular grooves (13) are provided on the circumferential inner wall of the slurry mixing tank (2), a connecting pipe (14) is slidably connected in each of the plurality of circular grooves (13), and a discharge pipe (15) is provided on the circumferential side of each of the plurality of connecting pipes (14).

5. The slurry mixing device for recycling NdFeB waste according to claim 4, characterized in that: The plurality of connecting tubes (14) are movably inserted through the upper end of the cover (3), the upper ends of the plurality of connecting tubes (14) are rotatably connected to the connecting heads (7), and the circumferential inner walls of the plurality of connecting heads (7) are provided with threaded grooves (8).

6. The slurry mixing device for recycling NdFeB waste according to claim 1, characterized in that: Two connecting rods (20) are fixedly connected to the circumferential side of the stirring shaft (9), and the other sides of the two stirring rods (10) are fixedly connected to scraper plates (11), and the two scraper plates (11) are both in contact with the circumferential inner wall of the slurry mixing tank (2), and one side of the two scraper plates (11) is fixedly connected to an extension rod (12).

7. The slurry mixing device for recycling NdFeB waste according to claim 1, characterized in that: A base frame (1) is provided below the slurry mixing tank (2), and the base frame (1) is fixed to the circumferential side of the slurry mixing tank (2). Connecting plates (5) are fixedly connected to both sides of the cover (3). Two hydraulic cylinders (6) are fixedly connected to the upper end of the base frame (1), and the output ends of the two hydraulic cylinders (6) are respectively fixed to the lower ends of the two connecting plates (5).

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