A drying equipment and method for processing neodymium iron boron permanent magnets

Abstract

This invention discloses a drying equipment and method for processing neodymium iron boron permanent magnets, relating to the field of iron boron magnet production and processing technology. It includes a multi-faceted rotating drying mechanism and a fixed support installed on one side of the top of the multi-faceted rotating drying mechanism. A lifting conveying mechanism is provided on one side of the multi-faceted rotating drying mechanism, and conveying supports are symmetrically arranged on the top of the lifting conveying mechanism. The multi-faceted rotating drying mechanism includes a drying box, and a conveying device is fixedly installed on the inner bottom of the drying box. A first torsion spring hinge is symmetrically rotatably connected to one side of the drying box, and a first sealing baffle is rotatably connected to the outer sides of the two first torsion spring hinges. By setting multiple sets of drying conveyor frames, vertical rotating supports, and horizontal rotating supports, multi-faceted rotation of the magnet can be achieved, and the drying path of the magnet can be improved, thus adapting to a large number of magnet processing production lines. By changing the tilt angle of the drying conveyor frames, the moving speed of the magnet can be increased.

Description

Technical Field

[0001] This invention relates to the field of iron boron magnet production and processing technology, specifically to a drying equipment and method for processing neodymium iron boron permanent magnets. Background Technology

[0002] Neodymium iron boron (NdFeB) magnets are tetragonal crystals formed from neodymium, iron, and boron. These magnets have a higher magnetic energy product than samarium cobalt (SMC) magnets and are the most commonly used rare-earth magnets. They are widely used in electronic products such as hard drives, headphones, and mobile phones. The manufacturing process of NdFeB magnets typically involves melting, powdering, pressing, sintering, grinding, cutting, and electroplating. After grinding, the surface of the NdFeB magnets produces debris and is contaminated with coolant. Even after cleaning, liquid remains on the surface. Further processing requires drying. However, current methods involve batch drying of NdFeB magnets in an oven after cleaning, leaving them to stand. This results in insufficient drying of the magnets and their contact surfaces, leading to low drying efficiency.

[0003] CN221593401U discloses a drying device for neodymium iron boron magnets. The processed magnets enter through the feed inlet, and a drive wheel moves the conveyor belt, positioning the magnets above and moving along with it. A heating plate is located inside the cover plate, heating the magnets passing below and accelerating the evaporation of moisture from their surface. A wind circulation system blows hot air into the machine body, accelerating airflow within the machine body and cover plate, further increasing the evaporation rate of moisture from the magnets. Air is blown out from the outlet into air duct one, and then through a connecting pipe into the space between the cover plate and the machine body, drying the magnets passing through the machine body. Air then enters air duct two through the lower connecting pipe, flowing into the heating chamber for further heating to maintain the temperature of the flowing air. Finally, it re-enters the machine body through the fan inlet, achieving internal air circulation within the machine body and cover plate, thus efficiently drying the magnets. However, this patent still has the following problems in practical use:

[0004] Although the drying device for neodymium iron boron magnets can use a conveyor belt to transport the magnets and use a heating plate to dry them during the transport process, the magnets have a certain contact area with the conveyor belt. As a result, the side of the magnets in contact with the conveyor belt is blocked during the transport and drying process, causing uneven heating of the magnets and affecting the drying efficiency and uniformity.

[0005] Therefore, a drying equipment and method for processing neodymium iron boron permanent magnets are proposed to solve the problems mentioned above. Summary of the Invention

[0006] The purpose of this invention is to provide a drying equipment and method for processing neodymium iron boron permanent magnets, in order to solve the problem mentioned in the background art that, due to the certain contact area between the magnet and the conveyor belt, the side of the magnet in contact with the conveyor belt is blocked during the conveying and drying process, resulting in uneven heating of the magnet and thus affecting the drying efficiency and uniformity of the magnet.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a drying equipment and method for processing neodymium iron boron permanent magnets, comprising a multi-faceted rotating drying mechanism and a fixed bracket installed on one side of the top of the multi-faceted rotating drying mechanism;

[0008] The multi-sided rotating drying mechanism is provided with a lifting conveying mechanism on one side, and conveying supports are symmetrically provided on the top of the lifting conveying mechanism.

[0009] Also includes:

[0010] The multi-sided rotating drying mechanism includes a drying box, a conveying device is fixedly installed on the bottom inner side of the drying box, a first torsion spring hinge is symmetrically rotated on one side of the drying box, a first sealing baffle is rotatably connected to the outer sides of the two first torsion spring hinges, and a second torsion spring hinge is symmetrically rotated on the side of the drying box away from the first torsion spring hinge.

[0011] Among them, the outer sides of the two second torsion spring hinges are rotatably connected to the second sealing plate, and the inner sides of the drying box are symmetrically rotatably connected to the connecting hinges.

[0012] The top of the two connecting hinges is rotatably connected to a drying conveyor frame, and sprocket limit plates are symmetrically installed on both sides of the inside of the drying conveyor frame.

[0013] Preferably, a first conveying chain is slidably connected between the sprocket limiting plates on both sides, and a plurality of conveying sprockets are meshed inside the first conveying chain. A first conveying motor is fixedly installed on the outside of the drying conveying frame, and the output end of the first conveying motor is fixedly connected to the conveying sprockets. A drying roller is fixedly installed between two of the conveying sprockets, and a drying diversion pipe is fixedly installed on one side of the drying roller.

[0014] By adopting the above technical solution, the rotation of the first sealing baffle and the second sealing plate is realized by utilizing the elastic force of the first torsion spring hinge and the second torsion spring hinge, thereby realizing the sealing of the drying box and avoiding heat loss. By starting the first conveyor motor, the conveyor sprocket and the drying roller are driven to rotate. Utilizing the meshing connection between the conveyor sprocket and the first conveyor chain, the rotation of multiple conveyor sprockets and the drying roller can be realized.

[0015] Preferably, a connecting hose is fixedly installed at the center of the outer side of the drying diversion pipe, and a drying instrument is fixedly installed at the end of the connecting hose. A vertical flipping bracket and a horizontal flipping bracket are fixedly installed at the ends of the drying conveyor frame, and a first sprocket limiting cover is fixedly installed on the outer side of the vertical flipping bracket. A transmission sprocket assembly is rotatably connected inside the first sprocket limiting cover, and the transmission sprocket assembly is fixedly connected to the conveyor sprocket.

[0016] By adopting the above technical solution, the drying instrument generates hot air, which enters the interior of the drying roller through the connecting hose and the drying diversion pipe. This not only enables the conveying of the magnet, but also dries the magnet during the moving and conveying process. The conveying sprocket drives the transmission sprocket assembly and the vertical flipping shaft to rotate.

[0017] Preferably, a vertical tilting shaft is fixedly connected to one side of the transmission sprocket assembly, a vertical tilting plate is fixedly installed on the outer side of the vertical tilting shaft, a horizontal tilting motor is fixedly installed at the bottom of the horizontal tilting bracket, a horizontal tilting shaft is fixedly connected to the output end of the horizontal tilting motor, several horizontal tilting baffles are fixedly installed on the outer side of the horizontal tilting shaft, and connecting ropes are symmetrically installed on one side of the bottom of the drying conveyor frame, and the drying conveyor frames are fixedly connected to each other by connecting ropes.

[0018] By adopting the above technical solution, the vertical flipping shaft drives the vertical flipping plate to rotate, which can realize the vertical flipping of the magnet. At the same time, the horizontal flipping motor is started to drive the horizontal flipping shaft and the horizontal flipping baffle to rotate. Since there are three horizontal flipping baffles set at 120 degrees, the magnet can be rotated horizontally, which makes it easy to adjust the horizontal position of the magnet. This allows for multi-face flipping of the magnet, which facilitates uniform drying of multiple sides of the magnet. This improves both the drying uniformity and the drying effect of the magnet.

[0019] Preferably, the fixed bracket is fixedly installed on the top side of the drying box, and a second limiting plate is symmetrically installed on the bottom of the fixed bracket. A winding bidirectional motor is fixedly installed at the center of the bottom of the fixed bracket, and both output ends of the winding bidirectional motor are fixedly connected to a winding connecting shaft. A support frame is rotatably connected to the outside of the winding connecting shaft.

[0020] By adopting the above technical solution, the winding connecting shaft and winding roller are rotated by starting the bidirectional winding motor, so that the winding rope wound on the winding roller can be extended or retracted.

[0021] Preferably, a winding bracket is symmetrically installed on the inner side of the fixed bracket near the second limiting plate, a winding roller is fixedly installed between the two winding brackets, the winding roller is fixedly connected to the winding connecting shaft, a winding rope is evenly wound on the outer side of the winding roller, a reciprocating sliding rod is fixedly installed between the two second limiting plates, a reciprocating fixed frame is symmetrically installed in the middle of the reciprocating sliding rod, a reciprocating bidirectional motor is fixedly installed at the bottom of the two reciprocating fixed frames, a reciprocating threaded rod is fixedly connected to each of the two output ends of the reciprocating bidirectional motor, a reciprocating threaded sleeve is threadedly connected to the outer side of the reciprocating threaded rod, a reciprocating limiting sleeve is fixedly installed on the outer side of the reciprocating threaded sleeve, and the reciprocating limiting sleeve is slidably connected to the winding rope.

[0022] By adopting the above technical solution, since the end of the winding rope is fixedly connected to the vertical flipping bracket at the top, and a connecting rope is fixedly connected between the drying conveyor frames, the drying conveyor frames can be tilted under the action of the winding rope's extension or contraction. By changing the tilt angle of the drying conveyor frames, it is easy to increase the moving speed of the magnet, which can not only speed up the conveying efficiency of the magnet, but also prevent the magnet from getting stuck in the gap between the two drying rollers, thus affecting the drying rate of the magnet. When the winding rope is extended or contracted, the reciprocating bidirectional motor is started to drive the reciprocating threaded rod to rotate, so that the reciprocating threaded sleeve moves back and forth on the outside of the reciprocating threaded rod, while driving the reciprocating limiting sleeve to move back and forth. Under the limiting action of the reciprocating limiting sleeve, the winding rope can be evenly wound up, avoiding the phenomenon of winding rope tangling and knotting, which would affect the angle adjustment of the drying conveyor frames.

[0023] Preferably, the lifting and conveying mechanism includes a support base, with casters fixedly installed around the bottom of the support base, a accordion dust cover fixedly installed on the top of the support base, a support top plate fixedly installed on the top of the accordion dust cover, conveying brackets symmetrically installed on the top of the support top plate, ejector rods fixedly installed on one side of the top of each conveying bracket, a second sprocket limit cover fixedly installed on the outer side of the conveying bracket, and a second conveying motor fixedly installed on one side inside the second sprocket limit cover.

[0024] By adopting the above technical solution, the movement of the conveying bracket is achieved by using the universal wheels at the bottom of the support base, while the second conveying motor is started to drive the first sprocket transmission assembly and the conveying roller to rotate.

[0025] Preferably, the output end of the second conveying motor is fixedly connected to a first sprocket drive assembly, conveying rollers are symmetrically installed on the outer side of the first sprocket drive assembly, a conveyor belt is drivenly connected to the outer side of the conveying rollers, a plurality of support rollers are rotatably connected inside the conveyor belt, lifting frames are symmetrically installed at the bottom of the support top plate, a third sprocket limit cover is fixedly installed at the ends of the two lifting frames, and a lifting base is symmetrically installed at the top of the support base.

[0026] By adopting the above technical solution, the magnet is conveyed by utilizing the transmission connection between the conveying roller and the conveyor belt and under the action of the support roller. The first sealing baffle can be opened by the push rod on one side of the conveying bracket, so that the magnet can be conveyed to the drying conveyor rack for uniform drying.

[0027] Preferably, a lifting motor is fixedly installed on one side of the inner side of the third sprocket limiting cover. The output end of the lifting motor is fixedly connected to a second sprocket transmission assembly. Lifting bidirectional threaded rods are symmetrically installed on the outer side of the second sprocket transmission assembly. Lifting threaded sleeves are symmetrically threaded on the outer sides of the two lifting bidirectional threaded rods. A top rotating support is fixedly installed at the bottom of the lifting threaded sleeve. A lifting rotating rod is rotatably connected to the bottom of the top rotating support. A rotating connecting shaft is rotatably connected to the middle of the two lifting rotating rods. A bottom rotating support is rotatably connected to the bottom of the lifting rotating support. A lifting sliding sleeve is fixedly installed at the bottom of the bottom rotating support. A lifting sliding rod is slidably connected inside the lifting sliding sleeve. A connecting spring is fixedly installed on one side of the lifting sliding sleeve. The lifting sliding rod and the connecting spring are both fixedly connected to the lifting base frame.

[0028] By adopting the above technical solution, the lifting motor is started, driving the second sprocket transmission assembly and the lifting bidirectional threaded rod to rotate. This causes the lifting threaded sleeve to move relative to the outside of the lifting bidirectional threaded rod, while simultaneously moving the top rotating support. At the same time, the top rotating support drives the lifting rotating rod to rotate around the rotating connecting shaft, and the bottom rotating support drives the lifting sliding sleeve to move relative to the outside of the lifting sliding rod. Under the action of the connecting spring, the distance between the lifting base and the lifting top frame can be adjusted, thereby achieving height adjustment of the conveying support. Different drying paths can be selected according to the size and surface area of ​​the magnet. For magnets with larger volume and surface area, the magnet can be conveyed to the first sealing baffle at the top for long-path drying. For magnets with smaller volume and surface area, the magnet can be conveyed to the first sealing baffle in the middle for short-path drying, thereby achieving the effect of saving energy and accelerating drying efficiency.

[0029] Compared with the prior art, the beneficial effects of the present invention are as follows: This drying equipment and method for processing neodymium iron boron permanent magnets, by setting multiple sets of drying conveyor frames, vertical flipping supports, and horizontal flipping supports, enables multi-faceted flipping of the magnets and improves the drying path, thus adapting to a large number of magnet processing production lines. By changing the tilt angle of the drying conveyor frames, the moving speed of the magnets can be increased, which not only accelerates the conveying efficiency of the magnets but also prevents the magnets from getting stuck in the gap between the two drying rollers, thereby affecting the drying rate. By adjusting the height of the conveyor supports, different drying paths can be selected according to the size and surface area of ​​the magnets, thereby achieving the effect of saving energy and accelerating drying efficiency. The specific details are as follows:

[0030] 1. By setting up a multi-faceted rotating drying mechanism, the rotation of the first and second sealing baffles and sealing plates can be achieved using the elastic force of the first and second torsion spring hinges, thus sealing the drying chamber and preventing heat loss. By starting the first conveyor motor, the conveyor sprockets and drying rollers rotate. Utilizing the meshing connection between the conveyor sprockets and the first conveyor chain, multiple conveyor sprockets and drying rollers can rotate. The drying instrument generates hot air, which enters the drying rollers through connecting hoses and drying diverter pipes. This achieves both the conveying of the magnets and the drying of the magnets during their movement. Simultaneously, the conveyor chain... The wheel drives the transmission sprocket assembly and the vertical flipping shaft to rotate, which in turn drives the vertical flipping plate to rotate, enabling the magnet to flip vertically. Simultaneously, the horizontal flipping motor starts, driving the horizontal flipping shaft and horizontal flipping baffles to rotate. Since there are three horizontal flipping baffles set at 120 degrees, the magnet can rotate horizontally, facilitating adjustment of its horizontal position and enabling multi-sided flipping. This allows for uniform drying of multiple sides of the magnet, improving both drying uniformity and drying effect. By setting multiple sets of drying conveyor racks, vertical flipping supports, and horizontal flipping supports, multi-sided flipping of the magnet can be achieved, and the drying path of the magnet can be improved. This design is suitable for processing large numbers of magnets on a production line. By starting a bidirectional winding motor, the winding connecting shaft and winding roller rotate, allowing the winding rope wound on the roller to extend or retract. Since the end of the winding rope is fixedly connected to the top vertical tilting bracket, and connecting ropes are fixedly connected between the drying conveyor frames, the extension or retraction of the winding rope allows the drying conveyor frames to tilt. Changing the tilt angle of the drying conveyor frames increases the movement speed of the magnets, accelerating the conveying efficiency and preventing the magnets from getting stuck in the gap between the two drying rollers, thus affecting the drying rate. During the extension or retraction of the winding rope, the bidirectional motor is activated... A bidirectional motor drives a reciprocating threaded rod to rotate, causing the reciprocating threaded sleeve to move back and forth on the outside of the reciprocating threaded rod while simultaneously driving the reciprocating limiting sleeve to move back and forth. Under the limiting action of the reciprocating limiting sleeve, the winding rope can be wound evenly, avoiding the phenomenon of winding rope tangling and knotting, which would affect the angle adjustment of the drying conveyor. Compared with setting up a robot arm and ordinary flipping structure, it is not convenient to flip a large number of magnets and is not suitable for large-scale assembly line production. This solution can realize multi-face automatic flipping of magnets, which is suitable for large-scale magnet drying production lines. It will not cause the inability to flip due to the position deviation of the magnets, thus saving drying costs and improving the drying efficiency of magnets.

[0031] 2. By setting up a lifting conveyor mechanism, not only can the universal wheels at the bottom of the support base be used to move the conveyor bracket, but the second conveyor motor is also started to drive the first sprocket transmission assembly and the conveyor roller to rotate. Utilizing the transmission connection between the conveyor roller and the conveyor belt, and under the action of the support roller, the magnet is conveyed. The push rod on one side of the conveyor bracket can push open the first sealing baffle, facilitating the conveying of the magnet to the drying conveyor rack for uniform drying. Starting the lifting motor drives the second sprocket transmission assembly and the lifting double-threaded rod to rotate, causing the lifting threaded sleeve to move relative to the outside of the lifting double-threaded rod, while simultaneously driving the top rotating support to move. At the same time, the top rotating support drives... The lifting rotating rod rotates around the rotating connecting shaft, while the bottom rotating support drives the lifting sliding sleeve to move relative to the outside of the lifting sliding rod. Under the action of the connecting spring, the distance between the lifting base and the lifting top frame can be adjusted, thereby achieving height adjustment of the conveying support. Different drying paths can be selected according to the size and surface area of ​​the magnet. For magnets with larger volume and surface area, the magnet can be conveyed to the first sealing baffle at the top for long-path drying. For magnets with smaller volume and surface area, the magnet can be conveyed to the first sealing baffle in the middle for short-path drying, thereby achieving the effect of saving energy and accelerating drying efficiency. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0033] Figure 2 This is a three-dimensional cross-sectional structural diagram of the multi-faceted rotating drying mechanism in this invention;

[0034] Figure 3 This is a three-dimensional structural diagram of the drying conveyor frame in this invention;

[0035] Figure 4 This is a three-dimensional structural diagram of the drying equipment in this invention;

[0036] Figure 5 This is a three-dimensional structural diagram of the vertical flipping shaft and the vertical flipping plate in this invention;

[0037] Figure 6 This is a three-dimensional structural diagram of the horizontal flipping shaft and the horizontal flipping baffle in this invention;

[0038] Figure 7 This is a three-dimensional structural diagram of the fixed bracket and the second limiting plate in this invention;

[0039] Figure 8 This is a schematic diagram of the three-dimensional structure of the winding rope in this invention;

[0040] Figure 9 This is a three-dimensional cross-sectional structural diagram of the lifting and conveying mechanism in this invention;

[0041] Figure 10 This is a schematic diagram of the three-dimensional structure of the conveyor belt in this invention;

[0042] Figure 11 This is a three-dimensional structural diagram of the lifting and rotating rod in this invention.

[0043] In the diagram: 1. Multi-sided rotating drying mechanism; 101. Drying box; 102. Conveying equipment; 103. First sealing baffle; 104. First torsion spring hinge; 105. Second sealing plate; 106. Second torsion spring hinge; 107. Connecting hinge; 108. Drying conveyor frame; 109. Sprocket limiting plate; 110. First conveyor chain; 111. Conveyor sprocket; 112. First conveyor motor; 113. Drying roller; 114. Drying diversion pipe; 115. Connecting hose; 116. Dryer 117. Vertical tilting bracket; 118. First sprocket limiting cover; 119. Transmission sprocket assembly; 120. Vertical tilting shaft; 121. Vertical tilting plate; 122. Connecting rope; 123. Horizontal tilting bracket; 124. Horizontal tilting motor; 125. Horizontal tilting shaft; 126. Horizontal tilting baffle; 127. Fixed bracket; 128. Second limiting plate; 129. Bidirectional winding motor; 130. Winding connecting shaft; 131. Support frame; 132. Winding bracket; 133. Winding... 1. Winding roller; 134. Winding rope; 135. Reciprocating sliding rod; 136. Reciprocating fixed frame; 137. Reciprocating bidirectional motor; 138. Reciprocating threaded rod; 139. Reciprocating threaded sleeve; 140. Reciprocating limit sleeve; 2. Lifting and conveying mechanism; 201. Support base; 202. Casters; 203. Bellows dust cover; 204. Support top plate; 205. Conveyor bracket; 206. Push-out rod; 207. Second sprocket limit cover; 208. Second conveyor motor; 209. First sprocket transmission assembly ; 210. Conveyor roller; 211. Conveyor belt; 212. Support roller; 213. Lifting top frame; 214. Third sprocket limit cover; 215. Lifting base frame; 216. Lifting motor; 217. Second sprocket transmission assembly; 218. Lifting bidirectional threaded rod; 219. Lifting threaded sleeve; 220. Top rotating support; 221. Lifting rotating rod; 222. Rotating connecting shaft; 223. Bottom rotating support; 224. Lifting sliding sleeve; 225. Lifting sliding rod; 226. Connecting spring. Detailed Implementation

[0044] 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. 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.

[0045] Please see Figures 1-6 This invention provides a technical solution: a drying device and method for processing neodymium iron boron permanent magnets, comprising a multi-faceted rotating drying mechanism 1 and a fixed bracket 127 installed on one side of the top of the multi-faceted rotating drying mechanism 1. A lifting conveying mechanism 2 is provided on one side of the multi-faceted rotating drying mechanism 1, and a conveying bracket 205 is symmetrically provided on the top of the lifting conveying mechanism 2. The multi-faceted rotating drying mechanism 1 includes a drying box 101, and a conveying device 102 is fixedly installed on the inner bottom of the drying box 101. A first torsion spring hinge 104 is symmetrically rotatably connected to one side of the drying box 101. A first sealing baffle 103 is rotatably connected to the outer sides of the two first torsion spring hinges 104. A second torsion spring hinge 106 is symmetrically rotatably connected to the side of the drying box 101 away from the first torsion spring hinge 104, wherein a second sealing plate 105 is rotatably connected to the outer sides of the two second torsion spring hinges 106. Connecting hinges 107 are symmetrically rotatably connected to both sides of the interior of the drying box 101, wherein a drying device is rotatably connected to the top of the two connecting hinges 107. The drying conveyor 108 has sprocket limiting plates 109 symmetrically installed on both sides inside. A first conveyor chain 110 is slidably connected between the two sprocket limiting plates 109. Several conveyor sprockets 111 are meshed inside the first conveyor chain 110. A first conveyor motor 112 is fixedly installed on the outside of the drying conveyor 108. The output end of the first conveyor motor 112 is fixedly connected to the conveyor sprockets 111. A drying roller 113 is fixedly installed between two conveyor sprockets 111. The rotation of the first sealing baffle 103 and the second sealing plate 105 is achieved by utilizing the elastic force of the first torsion spring hinge 104 and the second torsion spring hinge 106, thereby achieving the sealing of the drying box 101 and preventing heat loss. By starting the first conveyor motor 112, the conveyor sprockets 111 and the drying roller 113 are driven to rotate. Utilizing the meshing connection between the conveyor sprockets 111 and the first conveyor chain 110, the rotation of multiple conveyor sprockets 111 and the drying roller 113 can be achieved.

[0046] Please see Figures 3-6A drying diversion pipe 114 is fixedly installed on one side of the drying roller 113. A connecting hose 115 is fixedly installed at the center of the outer side of the drying diversion pipe 114. A drying instrument 116 is fixedly installed at the end of the connecting hose 115. A vertical tilting bracket 117 and a horizontal tilting bracket 123 are fixedly installed at the ends of the drying conveyor frame 108, respectively. A first sprocket limiting cover 118 is fixedly installed on the outer side of the vertical tilting bracket 117. A transmission sprocket assembly 119 is rotatably connected inside the first sprocket limiting cover 118. The transmission sprocket assembly 119 is connected to the conveyor sprocket 116. 11. A vertical tilting shaft 120 is fixedly connected to one side of the transmission sprocket assembly 119. A vertical tilting plate 121 is fixedly installed on the outer side of the vertical tilting shaft 120. A horizontal tilting motor 124 is fixedly installed at the bottom of the horizontal tilting bracket 123. A horizontal tilting shaft 125 is fixedly connected to the output end of the horizontal tilting motor 124. Several horizontal tilting baffles 126 are fixedly installed on the outer side of the horizontal tilting shaft 125. Connecting ropes 122 are symmetrically installed on one side of the bottom of the drying conveyor frame 108. The drying conveyor frames 108 are fixed together by the connecting ropes 122. The connection is made so that the drying instrument 116 generates drying hot air, which enters the drying roller 113 through the connecting hose 115 and the drying diversion pipe 114. This enables the conveying of the magnet and dries it during the movement and conveying process. At the same time, the conveying sprocket 111 drives the transmission sprocket assembly 119 and the vertical flipping shaft 120 to rotate, which in turn drives the vertical flipping plate 121 to rotate, enabling the magnet to flip vertically. Simultaneously, the horizontal flipping motor 124 is activated to drive the horizontal flipping shaft 125 and the horizontal flipping baffle. The 126 rotation, with three horizontal flipping baffles 126 set at 120 degrees, enables the horizontal rotation of the magnet, facilitating the adjustment of the magnet's horizontal position and thus achieving multi-face flipping of the magnet. This facilitates uniform drying of multiple sides of the magnet, improving both the drying uniformity and the drying effect. By setting multiple sets of drying conveyor frames 108, vertical flipping brackets 117, and horizontal flipping brackets 123, multi-face flipping of the magnet can be achieved, and the drying path of the magnet can be improved, thereby adapting to a large number of magnet processing production lines.

[0047] Please see Figures 2-8A fixed bracket 127 is fixedly installed on the top side of the drying oven 101. A second limiting plate 128 is symmetrically installed on the bottom of the fixed bracket 127. A winding bidirectional motor 129 is fixedly installed at the center of the bottom of the fixed bracket 127. Both output ends of the winding bidirectional motor 129 are fixedly connected to a winding connecting shaft 130. A support frame 131 is rotatably connected to the outer side of the winding connecting shaft 130. Winding brackets 132 are symmetrically installed on the inner side of the fixed bracket 127 near the second limiting plate 128. A winding roller 133 is fixedly installed between the two winding brackets 132. The winding roller 133 is connected to the winding connecting shaft 130. A connecting shaft 130 is fixedly connected. A winding rope 134 is evenly wound around the outer side of the take-up roller 133. A reciprocating sliding rod 135 is fixedly installed between the two second limiting plates 128. A reciprocating fixing frame 136 is symmetrically installed in the middle of the reciprocating sliding rod 135. A reciprocating bidirectional motor 137 is fixedly installed at the bottom of the two reciprocating fixing frames 136. A reciprocating threaded rod 138 is fixedly connected to each of the two output ends of the reciprocating bidirectional motor 137. A reciprocating threaded sleeve 139 is threadedly connected to the outer side of the reciprocating threaded rod 138. A reciprocating limiting sleeve 140 is fixedly installed on the outer side of the reciprocating threaded sleeve 139. The winding rope 134 is slidably connected to the winding shaft 130. Starting the bidirectional winding motor 129 drives the winding connecting shaft 130 and the winding roller 133 to rotate, allowing the winding rope 134 wound on the winding roller 133 to extend or retract. Since the end of the winding rope 134 is fixedly connected to the top vertical tilting bracket 117, and connecting ropes 122 are fixedly connected between the drying conveyor frames 108, the extension or retraction of the winding rope 134 allows the drying conveyor frame 108 to tilt. By changing the tilt angle of the drying conveyor frame 108, the moving speed of the magnet can be increased, thus accelerating the drying process. The magnet conveying efficiency is improved, and the magnet can be prevented from getting stuck in the gap between the two drying rollers 113, thus affecting the drying rate of the magnet. When the winding rope 134 is extended or retracted, the reciprocating bidirectional motor 137 is started to drive the reciprocating threaded rod 138 to rotate. This causes the reciprocating threaded sleeve 139 to move back and forth on the outside of the reciprocating threaded rod 138, while simultaneously driving the reciprocating limiting sleeve 140 to move back and forth. Under the limiting action of the reciprocating limiting sleeve 140, the winding rope 134 can be wound evenly, avoiding the phenomenon of the winding rope 134 getting tangled and knotted, which would affect the angle adjustment of the drying conveyor frame 108.

[0048] Please see Figure 1 , Figures 2-10The lifting and conveying mechanism 2 includes a support base 201. Universal wheels 202 are fixedly installed around the bottom of the support base 201. A bellows dust cover 203 is fixedly installed on the top of the support base 201. A support top plate 204 is fixedly installed on the top of the bellows dust cover 203. Conveying brackets 205 are symmetrically installed on the top of the support top plate 204. Ejector rods 206 are fixedly installed on one side of the top of each conveying bracket 205. A second sprocket limiting cover 207 is fixedly installed on the outer side of the conveying bracket 205. A second conveying motor 208 is fixedly installed on one side of the inner side of the second sprocket limiting cover 207. The output end of the second conveying motor 208 is fixedly connected to a first sprocket transmission assembly 209. Symmetrically mounted on the outer side of 09 are conveyor rollers 210, and a conveyor belt 211 is driven to the outer side of the conveyor rollers 210. Several support rollers 212 are rotatably connected inside the conveyor belt 211. The universal wheels 202 at the bottom of the support base 201 are used to move the conveyor bracket 205. At the same time, the second conveyor motor 208 is started to drive the first sprocket transmission assembly 209 and the conveyor rollers 210 to rotate. Utilizing the transmission connection between the conveyor rollers 210 and the conveyor belt 211, and under the action of the support rollers 212, the magnet is conveyed. The push rod 206 on one side of the conveyor bracket 205 can push open the first sealing baffle 103 to facilitate the conveying of the magnet to the drying conveyor rack 108 for uniform drying.

[0049] Please see Figures 9-11A lifting frame 213 is symmetrically installed at the bottom of the supporting top plate 204. A third sprocket limit cover 214 is fixedly installed at the ends of the two lifting frames 213. A lifting base frame 215 is symmetrically installed at the top of the supporting base 201. A lifting motor 216 is fixedly installed on one side inside the third sprocket limit cover 214. A second sprocket transmission assembly 217 is fixedly connected to the output end of the lifting motor 216. A lifting bidirectional threaded rod 218 is symmetrically installed on the outside of the second sprocket transmission assembly 217. Lifting threads are symmetrically threaded on the outside of the two lifting bidirectional threaded rods 218. Lifting threads are symmetrically threaded on the outside of both lifting bidirectional threaded rods 218. A top rotating support 220 is fixedly installed at the bottom of the lifting threaded sleeve 219. A lifting rotating rod 221 is rotatably connected to the bottom of the top rotating support 220. A rotating connecting shaft 222 is rotatably connected to the middle of the two lifting rotating rods 221. A bottom rotating support 223 is rotatably connected to the bottom of the lifting rotating rod 221. A lifting sliding sleeve 224 is fixedly installed at the bottom of the bottom rotating support 223. A lifting sliding rod 225 is slidably connected inside the lifting sliding sleeve 224. A connecting spring 226 is fixedly installed on one side of the lifting sliding sleeve 224. The lifting... Both the sliding rod 225 and the connecting spring 226 are fixedly connected to the lifting base 215. Starting the lifting motor 216 drives the second sprocket transmission assembly 217 and the lifting bidirectional threaded rod 218 to rotate, causing the lifting threaded sleeve 219 to move relative to the outside of the lifting bidirectional threaded rod 218, while simultaneously moving the top rotating support 220. At the same time, the top rotating support 220 drives the lifting rotating rod 221 to rotate around the rotating connecting shaft 222, and the bottom rotating support 223 drives the lifting sliding sleeve 224 to move relative to the outside of the lifting sliding rod 225. The connecting spring 225... Under the action of 6, the distance between the lifting base frame 215 and the lifting top frame 213 can be adjusted, thereby realizing the height adjustment of the conveying support 205. Different drying paths can be selected according to the size and surface area of ​​the magnet. For magnets with larger volume and surface area, the magnet can be conveyed to the first sealing baffle 103 at the top for long-path drying. For magnets with smaller volume and surface area, the magnet can be conveyed to the first sealing baffle 103 in the middle for short-path drying, thereby achieving the effect of saving energy and speeding up the drying efficiency.

[0050] Working principle: Before using this drying equipment and method for processing neodymium iron boron permanent magnets, it is necessary to check the overall condition of the device to ensure it can operate normally. Figure 1 - Figure 11As shown, firstly, the universal wheels 202 at the bottom of the support base 201 are used to move the conveyor bracket 205. Simultaneously, the second conveyor motor 208 is started, driving the first sprocket transmission assembly 209 and the conveyor roller 210 to rotate. Utilizing the transmission connection between the conveyor roller 210 and the conveyor belt 211, and under the action of the support roller 212, the magnet is conveyed. The push-out rod 206 on one side of the conveyor bracket 205 can push open the first sealing baffle 103, facilitating the conveying of the magnet onto the drying conveyor rack 108 for uniform drying. The lifting motor 216 is started, driving the second sprocket transmission assembly 217 and the lifting bidirectional threaded rod 218 to rotate. This causes the lifting threaded sleeve 219 to move relative to the outside of the lifting bidirectional threaded rod 218, simultaneously moving the top rotating support 220. The rotating support 220 drives the lifting rotating rod 221 to rotate around the rotating connecting shaft 222. At the same time, the bottom rotating support 223 drives the lifting sliding sleeve 224 to move relative to the outside of the lifting sliding rod 225. Under the action of the connecting spring 226, the distance between the lifting base frame 215 and the lifting top frame 213 can be adjusted, thereby realizing the height adjustment of the conveying support 205. Different drying paths can be selected according to the size and surface area of ​​the magnet. For magnets with larger volume and surface area, the magnet can be conveyed to the first sealing baffle 103 at the top for long-path drying. For magnets with smaller volume and surface area, the magnet can be conveyed to the first sealing baffle 103 in the middle for short-path drying, thereby achieving the effect of saving energy and speeding up the drying efficiency.

[0051] Secondly, the elastic force of the first torsion spring hinge 104 and the second torsion spring hinge 106 is used to rotate the first sealing baffle 103 and the second sealing plate 105, thereby achieving the sealing of the drying chamber 101 and preventing heat loss. By starting the first conveyor motor 112, the conveyor sprocket 111 and the drying roller 113 are driven to rotate. Utilizing the meshing connection between the conveyor sprocket 111 and the first conveyor chain 110, multiple conveyor sprockets 111 and the drying roller 113 can be rotated. The drying instrument 116 generates drying hot air, which enters the interior of the drying roller 113 through the connecting hose 115 and the drying diversion pipe 114. This achieves both the conveying of the magnet and the drying of the magnet during the movement and conveying process. Simultaneously, the conveyor sprocket 111 drives the transmission sprocket assembly 119 and the vertical tilting shaft 120 to rotate, causing the vertical tilting shaft 120 to drive the vertical... The rotation of the flipping plate 121 enables the magnet to be flipped vertically. Simultaneously, the horizontal flipping motor 124 is activated, driving the horizontal flipping shaft 125 and the horizontal flipping baffle 126 to rotate. Since there are three horizontal flipping baffles 126 arranged at 120 degrees, the unfolding angle of two adjacent horizontal flipping baffles 126 is the same as the width of the drying conveyor frame 108. This ensures that the magnet can enter between two adjacent horizontal flipping baffles 126, enabling the horizontal rotation of the magnet. This facilitates the adjustment of the magnet's horizontal position, thereby achieving multi-face flipping of the magnet. This allows for uniform drying of multiple sides of the magnet, improving both the drying uniformity and the drying effect. By setting multiple sets of drying conveyor frames 108, vertical flipping brackets 117, and horizontal flipping brackets 123, multi-face flipping of the magnet can be achieved, and the drying path of the magnet can be improved, thus adapting to a large number of magnet processing production lines.

[0052] Finally, by starting the bidirectional winding motor 129, the winding connecting shaft 130 and the winding roller 133 are rotated, causing the winding rope 134 wound on the winding roller 133 to extend or retract. Since the end of the winding rope 134 is fixedly connected to the vertical tilting bracket 117 at the top, and the connecting ropes 122 are fixedly connected between the drying conveyor frames 108, the extension or retraction of the winding rope 134 can achieve the tilting of the drying conveyor frame 108. By changing the tilt angle of the drying conveyor frame 108, the moving speed of the magnet can be increased, which can speed up the conveying of the magnet. This improves efficiency and prevents the magnet from getting stuck in the gap between the two drying rollers 113, thus affecting the drying rate of the magnet. When the winding rope 134 is extended or retracted, the reciprocating bidirectional motor 137 is started to drive the reciprocating threaded rod 138 to rotate. This causes the reciprocating threaded sleeve 139 to move back and forth on the outside of the reciprocating threaded rod 138, while simultaneously driving the reciprocating limiting sleeve 140 to move back and forth. Under the limiting action of the reciprocating limiting sleeve 140, the winding rope 134 can be wound evenly, avoiding the phenomenon of the winding rope 134 getting tangled and knotted, which would affect the angle adjustment of the drying conveyor frame 108.

[0053] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A drying equipment for neodymium iron boron permanent magnet processing, comprising a multi-face overturning drying mechanism (1) and a fixed support (127) installed on one side of the top of the multi-face overturning drying mechanism (1); The right side of the multi-face overturning drying mechanism (1) is provided with a lifting conveying mechanism (2), and the top of the lifting conveying mechanism (2) is symmetrically provided with a conveying support (205); Characterized in that: The multi-face overturning drying mechanism (1) comprises a drying box (101), the bottom inner side of the drying box (101) is fixedly installed with a conveying equipment (102), a first sealing baffle (103) is rotatably connected to the right side of the drying box (101) through two first torsion spring hinges (104), and a second sealing plate (105) is rotatably connected to the left side of the drying box (101) through two second torsion spring hinges (106); Two drying conveying frames (108) are rotatably arranged on the inner right side of the drying box (101) through connecting hinges (107), and the other two drying conveying frames (108) are rotatably arranged on the inner left side of the drying box (101) through connecting hinges (107); The front and rear sides of the four drying conveying frames (108) are symmetrically installed with chain wheel limiting plates (109) from top to bottom, first conveying chains (110) are slidably connected between the chain wheel limiting plates (109) on the two sides, and a plurality of conveying sprockets (111) are meshingly connected in the first conveying chains (110); The left end of each of the two drying conveying frames (108) on the right side is fixedly installed with a vertical overturning support (117), the right end of each of the two drying conveying frames (108) on the left side is fixedly installed with a horizontal overturning support (123), the two drying conveying frames (108) on the left side and the two drying conveying frames (108) on the right side are alternately arranged in the vertical direction, the upper drying conveying frame (108) on the right side is located above the upper drying conveying frame (108) on the left side, a vertical overturning shaft (120) is rotatably installed on the inner side of the vertical overturning support (117), and a drying roller (113) is arranged in parallel with the vertical overturning shaft (120); A vertical overturning plate (121) is fixedly installed on the outer side of the vertical overturning shaft (120), a horizontal overturning motor (124) is fixedly installed on the bottom of the horizontal overturning support (123), a horizontal overturning shaft (125) is fixedly connected to the output end of the horizontal overturning motor (124), a plurality of horizontal overturning baffles (126) are fixedly installed on the outer side of the horizontal overturning shaft (125), the vertical overturning shaft (120) drives the vertical overturning plate (121) to rotate, the vertical overturning plate (121) realizes overturning of the magnet in the vertical direction, the number of the horizontal overturning baffles (126) is three, the three horizontal overturning baffles (126) are uniformly distributed around the circumference of the horizontal overturning shaft (125), and the horizontal overturning baffles (126) realize horizontal rotation of the magnet, thereby facilitating adjustment of the horizontal position of the magnet.

2. The drying apparatus for neodymium iron boron permanent magnet machining according to claim 1, characterized in that: The outer side of the drying conveying frame (108) is fixedly installed with a first conveying motor (112), the output end of the first conveying motor (112) is fixedly connected with the rightmost conveying sprocket (111), the front and rear corresponding two conveying sprockets (111) are fixedly installed with drying roller (113), one side of the drying roller (113) is fixedly installed with a drying shunt pipe (114).

3. The drying apparatus for neodymium iron boron permanent magnet machining according to claim 2, characterized in that: The outer side of the drying shunt pipe (114) is fixedly installed with a connecting hose (115), the end of the connecting hose (115) is fixedly installed with a drying instrument (116), the outer side of the vertical overturning support (117) is fixedly installed with a first sprocket limiting cover (118), the inside of the first sprocket limiting cover (118) is rotatably connected with a transmission sprocket assembly (119), the vertical overturning shaft (120) is in transmission connection with the leftmost conveying sprocket (111) through the transmission sprocket assembly (119).

4. The drying apparatus for neodymium-iron-boron permanent magnet machining according to claim 3, characterized in that: The fixed support (127) is fixedly installed on one side of the top of the drying box (101), the bottom of the fixed support (127) is symmetrically installed with a second limiting plate (128), the bottom center position of the fixed support (127) is fixedly installed with a winding bidirectional motor (129), the two output ends of the winding bidirectional motor (129) are fixedly connected with winding connecting shafts (130), the outer side of the winding connecting shaft (130) is rotatably connected with a support frame (131), and the connecting ropes (122) are installed between the upper and lower two drying conveying frames (108).

5. The drying apparatus for neodymium iron boron permanent magnet machining according to claim 4, characterized in that: The inner side of the fixed support (127) close to the second limiting plate (128) is symmetrically installed with a winding support (132), the winding roller (133) is fixedly installed between the two winding supports (132), the winding roller (133) is fixedly connected with the winding connecting shaft (130), the outer side of the winding roller (133) is uniformly wound with a winding rope (134), the reciprocating sliding rod (135) is fixedly installed between the two second limiting plates (128), the reciprocating fixed frame (136) is symmetrically installed on the middle part of the reciprocating sliding rod (135), the reciprocating bidirectional motor (137) is fixedly installed on the bottom of the two reciprocating fixed frames (136), the two output ends of the reciprocating bidirectional motor (137) are fixedly connected with reciprocating threaded rods (138), the outer side of the reciprocating threaded rod (138) is threadedly connected with a reciprocating threaded sleeve (139), the outer side of the reciprocating threaded sleeve (139) is fixedly installed with a reciprocating limiting sleeve (140), the reciprocating limiting sleeve (140) is in sliding connection with the winding rope (134), and the end of the winding rope (134) is fixedly connected with the vertical overturning support (117) on the top.

6. The drying apparatus for neodymium iron boron permanent magnet machining according to claim 5, characterized in that: The lifting conveying mechanism (2) comprises a supporting base (201), universal wheels (202) are fixedly installed around the bottom of the supporting base (201), an organ dust cover (203) is fixedly installed at the top of the supporting base (201), a supporting top plate (204) is fixedly installed at the top of the organ dust cover (203), conveying supports (205) are symmetrically installed at the top of the supporting top plate (204), ejection rods (206) are fixedly installed at the top of the conveying supports (205), second chain wheel limiting covers (207) are fixedly installed at the outer sides of the conveying supports (205), and second conveying motors (208) are fixedly installed at the inner sides of the second chain wheel limiting covers (207).

7. The drying apparatus for neodymium iron boron permanent magnet machining according to claim 6, characterized in that: The output end of the second conveying motor (208) is fixedly connected with a first chain wheel transmission assembly (209), conveying rollers (210) are symmetrically installed at the outer sides of the first chain wheel transmission assembly (209), a conveying belt (211) is in transmission connection with the outer sides of the conveying rollers (210), a plurality of supporting rollers (212) are in rotary connection with the inner side of the conveying belt (211), lifting top frames (213) are symmetrically installed at the bottom of the supporting top plate (204), third chain wheel limiting covers (214) are fixedly installed at the ends of the two lifting top frames (213), and lifting bottom frames (215) are symmetrically installed at the top of the supporting base (201).

8. The drying apparatus for neodymium-iron-boron permanent magnet machining according to claim 7, characterized in that: The inner side of the third chain wheel limiting cover (214) is fixedly installed with a lifting motor (216), the output end of the lifting motor (216) is fixedly connected with a second chain wheel transmission assembly (217), lifting bidirectional screw rods (218) are symmetrically installed at the outer sides of the second chain wheel transmission assembly (217), lifting screw sleeves (219) are symmetrically screw-connected with the outer sides of the two lifting bidirectional screw rods (218), top rotary supports (220) are fixedly installed at the bottom of the lifting screw sleeves (219), lifting rotary rods (221) are in rotary connection with the bottom of the top rotary supports (220), rotary connecting shafts (222) are in rotary connection with the middle portions of the two lifting rotary rods (221), bottom rotary supports (223) are in rotary connection with the bottom of the lifting rotary rods (221), lifting sliding sleeves (224) are fixedly installed at the bottom of the bottom rotary supports (223), lifting sliding rods (225) are in sliding connection with the inner side of the lifting sliding sleeves (224), connecting springs (226) are fixedly installed at one side of the lifting sliding sleeves (224), and the lifting sliding rods (225) and the connecting springs (226) are fixedly connected with the lifting bottom frames (215).

9. A method for drying a neodymium-iron-boron permanent magnet using the drying apparatus for a neodymium-iron-boron permanent magnet according to claim 8, wherein The method steps are as follows: Step one: the use of support base (201) bottom universal wheel (202) to realize the movement of conveying support (205), while starting the second conveying motor (208) drive first sprocket transmission assembly (209) and conveying roller (210) rotation, the use of conveying roller (210) and conveying belt (211) between the transmission connection characteristics, and under the action of support roller (212), realize the conveying of the magnet, the use of conveying support (205) one side of the ejector rod (206) can open the first sealing baffle (103), convenient for the magnet to be conveyed to the drying conveying frame (108), for uniform drying, start lifting motor (216) drive second sprocket transmission assembly (217) and lifting bidirectional threaded rod (218) rotation, make lifting threaded sleeve (219) in the outside of lifting bidirectional threaded rod (218) relative movement while driving the top rotating support (220) movement, while the top rotating support (220) drive lifting rotating rod (221) around the rotating connection shaft (222) rotation, while the bottom rotating support (223) drive lifting sliding sleeve (224) in the outside of lifting sliding rod (225) relative movement, under the action of connecting spring (226), can realize the distance adjustment between lifting chassis (215) and lifting top frame (213), so as to realize the height adjustment of conveying support (205), can select different drying path according to the size and surface area of the magnet, for the magnet with larger volume and surface area, can be conveyed to the first sealing baffle (103) on the right side of the upper, for long path drying, for the magnet with smaller volume and smaller surface area, can be conveyed to the first sealing baffle (103) on the right side of the middle, realize short path drying; Step two: the elastic force of first torsional spring hinge (104) and second torsional spring hinge (106) is used to realize the rotation of first sealing baffle (103) and second sealing baffle (105), so as to realize the sealing of drying box (101), by starting first conveying motor (112) drive conveying sprocket (111) and drying roller (113) rotation, the use of conveying sprocket (111) and first conveying chain (110) between the meshing connection characteristics, can realize the rotation of multiple conveying sprocket (111) and drying roller (113), through the drying instrument (116) generates drying hot air, through the connecting hose (115) and drying shunt pipe (114) into the inside of drying roller (113), can realize the conveying of the magnet, at the same time, in the process of magnet movement, dry the magnet, at the same time, use conveying sprocket (111) drive transmission sprocket assembly (119) and vertical turnover shaft (120) rotation, make vertical turnover shaft (120) drive vertical turnover plate (121) rotation, can realize the turnover of the magnet in vertical direction, while starting horizontal turnover motor (124) drive horizontal turnover shaft (125) and horizontal turnover baffle (126) rotation; Step three: through the start winding bidirectional motor (129) drive winding connecting shaft (130) and winding roller (133) rotation, make winding in winding roller (133) on winding rope (134) can lengthen or shrink, because the end of winding rope (134) and top vertical turnover support (117) fixedly connected, between drying conveying frame (108) fixedly connected with connecting rope (122) simultaneously, therefore under the action of winding rope (134) lengthen or shrink, can realize the inclination of drying conveying frame (108), when the lengthening or contraction of winding rope (134) is carried out, start reciprocating bidirectional motor (137) drive reciprocating screw rod (138) rotation, make reciprocating screw sleeve (139) reciprocating movement outside reciprocating screw rod (138) while drive reciprocating limit sleeve (140) reciprocating movement, under the limiting effect of reciprocating limit sleeve (140), can realize the uniform winding of winding rope (134).

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