Neodymium iron boron waste recycling cleaning machine

Abstract

The present application relates to a neodymium iron boron waste recycling technology field, specifically to a kind of neodymium iron boron waste recycling cleaning machine, including cleaning pool, support, sliding frame and lifting assembly etc.;Cleaning pool top two sides symmetrical installation has support, support sliding installation has sliding frame, sliding frame is connected with cleaning basket by lifting assembly, and reciprocating tilting swing of cleaning basket is provided with swing assembly on lifting assembly, the swing assembly includes rotation installation on lifting assembly around rope wheel, the drive member of driving rope wheel rotation and the second pull rope wound on rope wheel, and drive member drives around rope wheel to carry out positive and negative rotation.By drive member driving around rope wheel positive and negative rotation, around rope wheel rotation will tighten the end of second pull rope, the other end is released, so that the mouth of the frame two sides with the connection of mouth frame and lifting frame as center reciprocating swing, realize the neodymium iron boron waste in cleaning basket is shaken and cleaned, to realize the function of efficient cleaning to it.

Description

Technical Field

[0001] This invention relates to the field of NdFeB waste recycling technology, specifically to a NdFeB waste recycling and cleaning machine. Background Technology

[0002] Neodymium magnets, also known as neodymium iron boron (NdFeB) magnets, are tetragonal crystals composed of neodymium, iron, and boron. Discovered in 1982 by Masato Sagawa of Sumitomo Special Metals, neodymium magnets possessed a higher energy product than samarium cobalt magnets, making them the material with the highest energy product in the world at the time. Later, Sumitomo Special Metals successfully developed powder metallurgy, and General Motors successfully developed spin-blowing smelting, enabling the production of NdFeB magnets. These magnets are currently the second most powerful permanent magnets after holmium magnets at absolute zero, and are the most commonly used rare-earth magnets. NdFeB magnets are widely used in electronic products such as hard drives, mobile phones, headphones, and battery-powered tools.

[0003] Neodymium iron boron (NdFeB) magnets are discarded after the equipment reaches its service life. However, since NdFeB magnets contain recyclable resources, directly discarding them would be extremely wasteful. Therefore, neodymium iron boron (NFeB) magnets are usually recycled. When recycling NFeB magnet waste, the surface of NFeB magnets is usually covered with a lot of dirt and dust, or after NdFeB magnets have undergone demagnetization by burning, their surface will have many burn stains. Therefore, it is necessary to clean the surface of the recycled NdFeB magnets.

[0004] The existing cleaning method generally involves placing NdFeB in an automatic cleaning device for cleaning. This method is suitable for enterprises with large recycling volumes, but not for small and medium-sized enterprises (SMEs). SMEs mostly rely on manual cleaning, which often requires cleaning personnel to shake the cleaning basket back and forth to prevent NdFeB from piling up, thereby improving the cleaning efficiency of NdFeB.

[0005] However, this method still suffers from low cleaning efficiency and high labor intensity for cleaning personnel. Therefore, it is necessary to design a neodymium iron boron waste recycling and cleaning machine that can replace manual shaking of the cleaning basket, thereby improving cleaning efficiency and reducing the labor intensity of workers. Summary of the Invention

[0006] To address the technical problem of low cleaning efficiency caused by manually shaking the cleaning basket to clean NdFeB waste, this invention provides a NdFeB waste recycling and cleaning machine, comprising a cleaning tank, a support frame, a sliding frame, a lifting assembly, and a swing assembly. The support frame is symmetrically installed on both sides of the top of the cleaning tank, and the sliding frame is slidably installed on the support frame. The sliding frame is connected to the cleaning basket through the lifting assembly. The lifting assembly is equipped with a swing assembly that causes the cleaning basket to reciprocate and tilt. The swing assembly includes a rope wheel rotatably installed on the lifting assembly, a drive component that drives the rope wheel to rotate, and a second pull rope wound around the rope wheel. The drive component drives the rope wheel to rotate forward and backward, and the second pull rope reciprocates by tightening and loosening on both sides to achieve the reciprocating tilting and swinging of the cleaning basket.

[0007] Preferably, the lifting assembly includes a pulley, a first pull rope, a sliding rod, a lifting frame, and a U-shaped frame. The pulley is mounted on the sliding frame, and the sliding rod is slidably mounted on both sides of the sliding frame near the support. The first pull rope passes through the pulley and is connected to a transverse plate-like member fixedly mounted between the sliding rods. The lifting frame is fixedly mounted at the bottom of the sliding rod, and the U-shaped frame is rotatably mounted at the lower end of the lifting frame. The washing basket is slidably mounted at the bottom of the U-shaped frame.

[0008] Preferably, the device further includes a limiting component for effectively fixing the cleaning basket to the U-shaped frame. The limiting component includes a first n-shaped plate, a second n-shaped plate, and a limiting block. The first n-shaped plate is provided on the outer wall of the lifting frame near the handle of the cleaning basket. The second n-shaped plate is provided above the first n-shaped plate. Columnar connectors are connected to both ends of the second n-shaped plate. The columnar connectors pass through the first n-shaped plate and are connected to the limiting block at their ends. The limiting block slides through the U-shaped frame and is located between the U-shaped frame and the cleaning basket. An elastic element is provided between the limiting block and the first n-shaped plate.

[0009] Preferably, it also includes a stirring assembly for agitating the NdFeB waste in the cleaning basket to improve cleaning efficiency. The stirring assembly includes an electric slide rail mounted on the lifting frame, a stirring motor slidably mounted on the electric slide rail and capable of moving up and down along the electric slide rail, and a stirring component connected to the output shaft of the stirring motor.

[0010] Preferably, it further includes a pushing assembly for pushing the cleaning basket to slide horizontally along the bottom of the square frame. The pushing assembly includes an N-shaped pushing plate and a triangular pushing plate. The bottom of the lifting frame is slidably connected to the N-shaped pushing plate via a longitudinal rod. The triangular pushing plate is connected to the protrusions on the two outer walls of the stirring motor that pass through the electric slide rail. The triangular pushing plate is in contact with the upper part of the N-shaped pushing plate.

[0011] Preferably, the upper part of the N-shaped push plate and the triangular push plate are arranged in a symmetrical triangle, and the inclined surfaces of the two triangles are in contact with each other. When the triangular push plate moves upward, it squeezes the upper part of the N-shaped push plate and pushes the N-shaped push plate to move horizontally.

[0012] Preferably, the device further includes a fall arrestor assembly installed on the support to prevent the lifting frame from falling. The fall arrestor assembly includes a connecting plate installed on the support, a fall arrestor block slidably installed on the connecting plate, and a top block installed on the two outer walls of the lifting frame and cooperating with the fall arrestor block.

[0013] Preferably, the bracket further includes a fixing component disposed on the top of the bracket for limiting and fixing the sliding frame, the fixing component including an L-plate mounted on the top of the bracket and an n-shaped fixing block slidably mounted between the two L-plates.

[0014] Preferably, the length of the slide bar is less than or equal to the height of the bracket.

[0015] Preferably, the inclined surface of the top block faces upward, and the inclined surface of the anti-fall block faces downward.

[0016] The beneficial effects of this invention are as follows:

[0017] 1. The drive unit drives the rope wheel to rotate in both directions. When the rope wheel rotates, it tightens one end of the second pull rope and releases the other end. This causes the two sides of the square frame to swing back and forth around the connection between the square frame and the lifting frame, thereby shaking and cleaning the neodymium iron boron waste in the cleaning basket. This achieves efficient cleaning without the need for manual shaking of the cleaning basket, reducing the labor intensity of the operators.

[0018] 2. At the same time, the stirring motor drives the stirring component to rotate, and the stirring component repeatedly stirs the NdFeB waste in the cleaning basket, thus achieving the function of thoroughly cleaning the NdFeB waste in the cleaning basket.

[0019] 3. When the stirring motor moves upward along the electric slide rail, the stirring motor drives the triangular push plate to move upward. The triangular push plate presses the upper part of the N-shaped push plate, causing the N-shaped push plate to move horizontally. The N-shaped push plate drives the cleaning basket to move horizontally along the bottom slide groove of the square frame, providing convenience for easy replacement of the cleaning basket. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0021] Figure 2 This is a three-dimensional structural diagram of the lifting component and the swing component of the present invention.

[0022] Figure 3This is a three-dimensional structural diagram of some components in the lifting assembly of the present invention.

[0023] Figure 4 For the present invention Figure 3 A magnified view of part A.

[0024] Figure 5 This is a schematic diagram of the connection structure of the stirring assembly, the pushing assembly, and the lifting assembly of the present invention.

[0025] Figure 6 This is a schematic diagram of the installation structure of the stirring assembly and the lifting frame of the present invention.

[0026] Figure 7 This is a schematic diagram of the installation structure of the pushing component, stirring component, and lifting frame of the present invention.

[0027] Figure 8 This is a schematic diagram of the structure of the driving component of the present invention.

[0028] Figure 9 This is a schematic diagram of the installation structure of the fall protection component and the fixing component of the present invention.

[0029] The labels in the attached diagram are as follows: 1-washing tank, 101-support, 102-sliding frame, 2-lifting assembly, 201-pulley, 202-first pull rope, 203-sliding rod, 204-lifting frame, 205-U-shaped frame, 3-swing assembly, 301-winding wheel, 302-second pull rope, 4-stirring assembly, 401-electric slide rail, 402-stirring motor, 403-stirring component, 5-limiting assembly, 501-first n-shaped plate, 502-second n-shaped plate, 503-limiting block, 6-pushing assembly, 601-N-shaped pushing plate, 602-triangular pushing plate, 7-fall protection assembly, 701-connecting plate, 702-fall protection block, 703-top block, 8-fixing assembly, 801-L-plate, 802-n-shaped fixing block. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present invention or its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0032] For ease of description, spatial relative terms such as "above," "over," "above," "bottom," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "above" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0033] Example: A neodymium iron boron waste recycling and cleaning machine, such as Figure 1 and Figure 2 As shown, the system includes a cleaning tank 1, a support 101, a sliding frame 102, a lifting assembly 2, and a swing assembly 3. L-shaped supports 101 are symmetrically installed on the left and right sides of the top of the cleaning tank 1. A long groove is provided on the top crossbar of the support 101. The sliding frame 102 is slidably installed on the support 101, with both ends of the sliding frame 102 sliding through the long groove of the support 101. The sliding frame 102 is connected to a cleaning basket via the lifting assembly 2. The lifting assembly 2 is equipped with a swing assembly 3 that causes the cleaning basket to reciprocate and tilt. The swing assembly 3 includes a rope-winding wheel 301 rotatably installed on the lifting assembly 2, a driving component that drives the rope-winding wheel 301 to rotate, and a second pull rope 302 wound around the rope-winding wheel 301. The driving component drives the rope-winding wheel 301 to rotate forward and backward, and the second pull rope 302 reciprocates by tightening and loosening on both sides to achieve the reciprocating tilting and swinging of the cleaning basket. The driving component is preferably a servo motor.

[0034] like Figure 2 and Figure 3 As shown, the lifting assembly 2 includes a pulley 201, a first pull rope 202, a sliding rod 203, a lifting frame 204, and a U-shaped frame 205. The pulley 201 is installed on the sliding frame 102. Sliding rods 203 are slidably installed on both sides of the sliding frame 102 near the support 101. The length of the sliding rod 203 is less than or equal to the height of the support 101. The sliding rod 203 passes through the sliding frame 102. The first pull rope 202 passes around the pulley 201 and is connected to the transverse plate-like piece fixedly installed between the sliding rods 203. The lifting frame 204 is fixedly installed at the bottom of the sliding rod 203. The center of the lifting frame 204 is hollow, and the longitudinal section of the lifting frame 204 is n-shaped. The U-shaped frame 205 is rotatably installed at the lower end of the lifting frame 204. Sliding grooves are opened on the left and right sides of the bottom of the U-shaped frame 205. The washing basket is slidably installed at the bottom of the U-shaped frame 205.

[0035] like Figure 3 and Figure 4 As shown, it also includes a limiting component 5 for effectively fixing the cleaning basket to the U-shaped frame 205. The limiting component 5 includes a first n-shaped plate 501, a second n-shaped plate 502, and a limiting block 503. The first n-shaped plate 501 is provided on the outer wall of the lifting frame 204 near the cleaning basket handle. The first n-shaped plate 501 is fixedly installed on the lifting frame 204. The second n-shaped plate 502, which has the same structure as the first n-shaped plate 501, is provided above the first n-shaped plate 501. Columnar connectors are connected to both ends of the second n-shaped plate 502. A columnar connector passes through the first n-shaped plate 501 and its lower end is connected to a limiting block 503. The limiting block 503 is inclined on the side facing the outer wall of the U-shaped frame 205. A longitudinal groove is provided on the inner wall of the U-shaped frame 205 for the limiting block 503 to slide through. The limiting block 503 passes through the longitudinal groove on the U-shaped frame 205, thereby limiting the cleaning basket within the U-shaped frame 205. An elastic element is provided between the limiting block 503 and the first n-shaped plate 501. The elastic element keeps the limiting block 503 inserted into the longitudinal groove of the U-shaped frame 205.

[0036] like Figure 5 and Figure 6 As shown, it also includes a stirring assembly 4 for agitating the NdFeB waste in the cleaning basket to improve cleaning efficiency. The stirring assembly 4 includes an electric slide rail 401 mounted on the lifting frame 204, a stirring motor 402 slidably mounted on the electric slide rail 401 and capable of moving up and down along the electric slide rail 401, and a stirring element 403 connected to the output shaft of the stirring motor 402. The electric slide rail 401 has a cross-shaped structure. Both sides of the stirring motor 402 connected to the electric slide rail 401 are provided with protrusions that pass through the electric slide rail 401. The stirring element 403 agitates the NdFeB waste. If the stirring element 403 is replaced with a brush, the surface of the NdFeB waste can also be brushed.

[0037] When using this cleaning machine to clean NdFeB waste, firstly, the cleaning basket is slidably installed at the bottom of the U-shaped frame 205, and the cleaning basket is fixed to the U-shaped frame 205 by the limiting component 5. Then, the NdFeB waste to be cleaned is placed in the cleaning basket. The drive unit drives the rope wheel 301 to rotate. The rotation of the rope wheel 301 tightens one end of the second pull rope 302 and releases the other end, thereby lowering one side of the U-shaped frame 205 and raising the other side, causing the cleaning basket to tilt. This process is repeated. Through the forward and reverse rotation of the drive unit, the U-shaped frame 205 drives the cleaning basket to swing back and forth around the connection between the U-shaped frame 205 and the lifting frame 204, thereby efficiently cleaning the NdFeB waste in the cleaning basket. At the same time, the stirring motor 402 drives the stirring component 403 to rotate, thereby continuously agitating the NdFeB waste in the cleaning basket and achieving the function of thoroughly cleaning the NdFeB waste in the cleaning basket.

[0038] like Figure 5 , Figure 7 and Figure 8 As shown, it also includes a pushing assembly 6 for pushing the cleaning basket to slide horizontally along the bottom of the U-shaped frame 205. The pushing assembly 6 includes an N-shaped pushing plate 601 and a triangular pushing plate 602. The bottom of the lifting frame 204 is slidably connected to the N-shaped pushing plate 601 via a longitudinal rod. The triangular pushing plate 602 is connected to the protrusions on the two outer walls of the stirring motor 402 that pass through the electric slide rail 401. The triangular pushing plate 602 contacts and engages with the upper part of the N-shaped pushing plate 601. The lower part of the N-shaped pushing plate 601 engages with the longitudinal groove opened on the outer wall of the cleaning basket. The upper structure of the N-shaped pushing plate 601 and the triangular pushing plate 602 are symmetrically arranged in a triangular shape, and the inclined surfaces of the two triangles are in contact with each other. When the triangular pushing plate 602 moves upward, it squeezes the upper part of the N-shaped pushing plate 601 and pushes the N-shaped pushing plate 601 to move horizontally.

[0039] like Figure 1 and Figure 9 As shown, it also includes a fall arrestor 7 installed on the bracket 101 to prevent the lifting frame 204 from falling. The fall arrestor 7 includes a connecting plate 701 installed on the bracket 101, a fall arrestor 702 slidably installed on the connecting plate 701, and a top block 703 installed on the two outer walls of the lifting frame 204 and cooperating with the fall arrestor 702. The inclined surface of the top block 703 faces upward, and the inclined surface of the fall arrestor 702 faces downward. The fall arrestor 702 is set in three stages, and a return spring is provided between the fall arrestor 702 and the connecting plate 701. When the top block 703 moves upward, it squeezes the fall arrestor 702, and the return spring deforms. When the top block 703 no longer squeezes the fall arrestor 702, the return spring returns to its original position, and the plane side of the fall arrestor 702 contacts the plane side of the top block 703, thereby limiting the top block 703 and preventing the lifting frame 204 from falling.

[0040] like Figure 1 and Figure 9 As shown, it also includes a fixing component 8 set on the top of the bracket 101 for limiting and fixing the sliding frame 102. The fixing component 8 includes an L plate 801 installed on the top of the bracket 101 and an n-shaped fixing block 802 slidably installed between the two L plates 801. The n-shaped fixing block 802 is provided with a tension spring, which keeps the bracket 101 locked in place by the tension spring.

[0041] After the NdFeB waste is cleaned, pulling the first rope 202 raises the slide bar 203, the lifting frame 204, and the components mounted on the lifting frame 204, thus moving the cleaning basket away from the cleaning pool 1. The anti-fall block 702 and the top block 703 work together to fix the raised lifting frame 204 at a certain height, preventing it from falling. Then, the second n-shaped plate 502 is pushed upwards to release its restriction on the cleaning basket. Next, the stirring motor 402 is controlled to slide upwards along the electric slide rail 401. As the stirring motor 402 rises, it drives the triangular push plate 602 upwards via the protrusions on both sides. The rising triangular push plate 602 then compresses and... The N-shaped push plate 601 contacts the cleaning basket, causing it to move horizontally. The lower part of the N-shaped push plate 601 drives the cleaning basket to move away from the U-shaped frame 205 along the sliding groove at the bottom of the U-shaped frame 205. This facilitates the separation of the cleaning basket from the U-shaped frame 205. At the same time, by pulling the N-shaped fixing block 802 upward, the N-shaped fixing block 802 is released from its restriction on the sliding frame 102. Then, by pulling the sliding frame 102 horizontally, the cleaned NdFeB waste is moved away from the top of the cleaning tank 1, realizing the function of convenient collection. By repeating this process, the NdFeB waste that needs to be cleaned can be cleaned and collected efficiently.

[0042] The above embodiments only illustrate preferred embodiments of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications, improvements, and substitutions without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. A neodymium iron boron waste recycling and cleaning machine, characterized in that, The system includes a cleaning tank (1), a support frame (101), a sliding frame (102), a lifting assembly (2), and a swing assembly (3). The support frame (101) is symmetrically installed on both sides of the top of the cleaning tank (1). The sliding frame (102) is slidably installed on the support frame (101). The sliding frame (102) is connected to the cleaning basket through the lifting assembly (2). The lifting assembly (2) is equipped with a swing assembly (3) that causes the cleaning basket to reciprocate and tilt. The swing assembly (3) includes a rope wheel (301) rotatably installed on the lifting assembly (2), a driving component that drives the rope wheel (301) to rotate, and a second pull rope (302) wound on the rope wheel (301). The drive pulley (301) rotates in both directions, and the second pull rope (302) reciprocates by tightening and loosening on both sides to achieve reciprocating tilting and swinging of the cleaning basket; the lifting assembly (2) includes a pulley (201), a first pull rope (202), a slide rod (203), a lifting frame (204), and a rectangular frame (205). The pulley (201) is installed on the sliding frame (102), and the slide rod (203) is slidably installed on both sides of the sliding frame (102) near the support (101). The first pull rope (202) passes around the pulley (201) and is connected to the transverse plate-like member fixedly installed between the slide rods (203). The lifting assembly is fixedly installed at the bottom of the slide rod (203). The frame (204) is rotatably mounted on the lower end of the lifting frame (204), and the cleaning basket is slidably mounted on the bottom of the frame (205); it also includes a stirring assembly (4) for agitating the NdFeB waste in the cleaning basket to improve cleaning efficiency. The stirring assembly (4) includes an electric slide rail (401) mounted on the lifting frame (204), a stirring motor (402) slidably mounted on the electric slide rail (401) and capable of moving up and down along the electric slide rail (401), and a stirring component (403) connected to the output shaft of the stirring motor (402); it also includes a pushing assembly (6) for pushing the cleaning basket to slide horizontally along the bottom of the frame (205). The component (6) includes an N-shaped push plate (601) and a triangular push plate (602). The bottom of the lifting frame (204) is slidably connected to the N-shaped push plate (601) via a longitudinal rod. The triangular push plate (602) is connected to the protrusions on the two outer walls of the stirring motor (402) that pass through the electric slide rail (401). The triangular push plate (602) is in contact with the upper part of the N-shaped push plate (601). The upper part of the N-shaped push plate (601) and the triangular push plate (602) are arranged in a symmetrical triangle, and the inclined surfaces of the two triangles are in contact with each other. When the triangular push plate (602) moves upward, it squeezes the upper part of the N-shaped push plate (601) and pushes the N-shaped push plate (601) to move horizontally.

2. The neodymium iron boron waste recycling and cleaning machine according to claim 1, characterized in that, It also includes a limiting component (5) for effectively fixing the cleaning basket to the U-shaped frame (205). The limiting component (5) includes a first n-shaped plate (501), a second n-shaped plate (502), and a limiting block (503). The first n-shaped plate (501) is provided on the outer wall of the lifting frame (204) near the handle of the cleaning basket. The second n-shaped plate (502) is provided above the first n-shaped plate (501). The two ends of the second n-shaped plate (502) are connected to columnar connectors. The columnar connectors pass through the first n-shaped plate (501) and their ends are connected to the limiting block (503). The limiting block (503) slides through the U-shaped frame (205) and is located between the U-shaped frame (205) and the cleaning basket. An elastic element is provided between the limiting block (503) and the first n-shaped plate (501).

3. The neodymium iron boron waste recycling and cleaning machine according to claim 2, characterized in that, It also includes a fall arrestor assembly (7) installed on the bracket (101) to prevent the lifting frame (204) from falling. The fall arrestor assembly (7) includes a connecting plate (701) installed on the bracket (101), a fall arrestor block (702) slidably installed on the connecting plate (701), and a top block (703) installed on the two outer walls of the lifting frame (204) and cooperating with the fall arrestor block (702).

4. A neodymium iron boron waste recycling and cleaning machine according to claim 3, characterized in that, It also includes a fixing component (8) disposed on the top of the bracket (101) for limiting and fixing the sliding frame (102). The fixing component (8) includes an L plate (801) installed on the top of the bracket (101) and an n-shaped fixing block (802) slidably installed between the two L plates (801).

5. A neodymium iron boron waste recycling and cleaning machine according to claim 3, characterized in that, The length of the slide bar (203) is less than or equal to the height of the bracket (101).

6. A neodymium iron boron waste recycling and cleaning machine according to claim 3, characterized in that, The inclined surface of the top block (703) faces upward, and the inclined surface of the anti-fall block (702) faces downward.

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