Neodymium iron boron waste high-temperature drying equipment and use method thereof

By combining the spiral frame and drying rod structure with the push block scraper cleaning design, the problems of uneven material heating and vent blockage in NdFeB waste drying equipment are solved, achieving efficient high-temperature drying and screening of NdFeB waste.

CN117760178BActive Publication Date: 2025-12-12JIANGXI YG MAGNET CO LTD
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Patent Information

Application Number
CN202410108818.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-01-26
Publication Date
2025-12-12
Estimated Expiration
2044-01-26

AI Technical Summary

Technical Problem

Existing high-temperature drying equipment for NdFeB waste suffers from uneven heating of materials and blockage of ventilation holes, which affects the drying effect.

Method used

The system employs a combination of a spiral frame and a drying rod. The spiral frame turns the material and causes the drying rod to rotate on its own axis and revolve around the sun. Combined with push blocks and scrapers to clean the air vents, it ensures that the material is in full contact with the high-temperature hot air and clears blockages in a timely manner. The system is equipped with a servo motor and a reduction gear set to achieve the pouring and screening of the material.

Benefits of technology

This method achieves thorough high-temperature drying of materials, avoids clogging of ventilation holes, improves drying efficiency and discharge speed, and ensures drying effect and work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to high-temperature drying technical field, especially to a kind of neodymium iron boron waste high-temperature drying equipment and its using method.The present application provides such a kind of neodymium iron boron waste high-temperature drying equipment, including support, the upper portion of the support is equipped with crusher, the support is equipped with moving frame and moving plate by electric slide rail, the moving frame and the moving plate are jointly rotationally connected with drying cylinder located directly below the crusher.After crushing, material enters drying cylinder, drying cylinder moves right, high-temperature hot gas is sprayed from air outlet, spiral frame and drying rod extend into the material in drying cylinder, drive motor drives spiral frame and sun gear rotation, spiral frame overturns material in drying cylinder, through outer ring gear makes planetary gear and drying rod rotate and revolve, high-temperature hot gas flows to material in multidirection, guarantee material to be in contact with high-temperature hot gas sufficiently, push block extends into air outlet and rotates, material at air outlet is cleaned in time by push block and scraper, avoid blockage, drying effect is good.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of high-temperature drying, in particular to a neodymium iron boron waste high-temperature drying equipment and a use method thereof. BACKGROUND

[0002] In the process of neodymium iron boron processing and production, some waste materials will be produced. The neodymium iron boron waste contains high-concentration rare earth elements and has high recycling value. In order to remove the moisture in the neodymium iron boron waste, the crushed neodymium iron boron waste needs to be high-temperature dried to form neodymium iron boron powder with good fluidity, which is conducive to the production of magnetic products, thereby recycling the neodymium iron boron waste.

[0003] For example, a patent with the patent number CN115875982A discloses a neodymium iron boron waste high-temperature drying and calcination device and a use method thereof. The patent burns the self-rotating oven cylinder through the flame nozzle. However, the materials stacked in the oven cylinder may not be heated sufficiently, affecting the drying effect.

[0004] For example, a patent with the patent number CN210292731U discloses a rare earth waste conveying and drying equipment. The patent dries the waste through the hot air entering the hot air hole. Although the hot air flow can block the waste from entering the hot air hole, a small amount of waste may still stick to the air hole. If the air hole is not cleaned in time, the waste stuck to the air hole may cause the air hole to be blocked, affecting the drying effect. SUMMARY

[0005] In order to solve the problems in the background art, the present application provides a neodymium iron boron waste high-temperature drying equipment and a use method thereof.

[0006] A neodymium iron boron waste high-temperature drying equipment, comprising a support, a crusher is installed on the upper part of the support, a moving frame and a moving plate are installed on the support through an electric sliding rail, an oven cylinder located directly below the crusher is rotationally connected between the moving frame and the moving plate, the oven cylinder has a heating function, the oven cylinder is tilted to unload through a driving assembly and the materials are pushed out through a pushing assembly, an automatically-liftable lifting plate is installed on the right side of the crusher, a screw frame driven by a driving motor is rotationally connected to the lifting plate, a fixed plate is connected to the bottom of the lifting plate, an air passage ring is connected to the middle of the fixed plate, a hollow rotating ring is rotationally connected between the air passage ring and the fixed plate, the hollow rotating ring is in communication with the air passage ring, a plurality of hollow drying rods are rotationally connected in intervals at the bottom of the hollow rotating ring, the drying rods are simultaneously rotated and revolved through a rotating assembly when the screw frame rotates, and a anti-blocking mechanism is arranged on the drying rods.

[0007] Further, the rotating assembly comprises an outer gear ring, planetary gears and a sun gear, the sun gear is connected to the upper part of the spiral frame, the planetary gears are connected to the upper ends of the drying rods and engaged with the sun gear, the outer gear ring is connected to the fixed plate and engaged with the planetary gears, the outer gear ring is fixed, power is input from the sun gear and output from the planetary gears.

[0008] Further, the driving assembly comprises a servo motor and a speed reduction gear set, the servo motor is connected to the upper part of the moving frame, the output shaft of the servo motor is connected to the drying cylinder through the speed reduction gear set.

[0009] Further, the pushing assembly comprises a cylinder and a pushing plate, the cylinder is connected to the lower part of the drying cylinder, the movable rod of the cylinder is fixedly connected with the pushing plate for pushing the materials in the drying cylinder.

[0010] Further, the anti-blocking mechanism comprises sliding blocks, electric sliding blocks, fixed blocks, pushing blocks and scraping rods, the drying rods are provided with air inlet holes at the top, are provided with multiple rows of air outlet holes at the side, are internally provided with multiple electric sliding blocks which can be lifted, the electric sliding blocks are connected with a row of fixed blocks, the fixed blocks are threadedly connected with pushing blocks, the fixed blocks are internally provided with threads matched with the pushing blocks, the pushing blocks are provided with multiple protrusions, the fixed blocks are internally slidably connected with sliding blocks driven by electric pushing rods, the pushing blocks are rotatably connected with the sliding blocks, and the pushing blocks are connected with multiple scraping rods.

[0011] Further, the distance between the fixed blocks in the same row and the air outlet holes in the same row is consistent.

[0012] Further, the screening mechanism is further provided, which comprises a fixed frame, a screen plate, a collecting frame and a transmission assembly, the fixed frame is connected to the support, the screen plate is slidably connected to the fixed frame and reset by a reset spring, the screen plate is arranged in an inclined manner, the collecting frame is placed below the screen plate at the lower part of the fixed frame, and the screen plate is reciprocally slid by the transmission assembly when the drying cylinder is poured with materials.

[0013] Further, the transmission assembly comprises a connecting plate, a transmission wheel, a full gear, a transmission rod, a rotating rod and a cam, the reduction gear set comprises a large gear and a small gear, the large gear is connected to the drying cylinder, the right part of the support is connected with a connecting plate, the front side of the connecting plate is rotatably connected with two transmission wheels, the two transmission wheels are driven by a flat belt, the upper transmission wheel is connected with a full gear, when the drying cylinder moves to the right, the large gear will engage with the full gear, the front part of the fixed frame is rotatably connected with a horizontal transmission rod and a vertical rotating rod, the transmission rod left end and the lower transmission wheel and the transmission rod right end and the rotating rod top end are all driven by bevel gear sets, the bottom end of the rotating rod is connected with a cam, the rotation of the cam will intermittently push the sieve plate to make the sieve plate reciprocating slide.

[0014] Further, the diameter of the upper transmission wheel is greater than that of the lower transmission wheel.

[0015] A method for using a neodymium iron boron waste high-temperature drying equipment, specifically comprising the following steps:

[0016] S1: the neodymium iron boron waste is added to the crusher, and after crushing, the neodymium iron boron waste enters the drying cylinder;

[0017] S2: control the electric sliding rail to drive the drying cylinder to move to the right, the air inlet ring introduces high-temperature hot gas, the high-temperature hot gas is sprayed out from the air outlet hole, the lifting plate drives the spiral frame and the drying rod to descend into the material in the drying cylinder;

[0018] S3: control the driving motor to drive the spiral frame and the sun gear to rotate, the spiral frame turns the material, the drying rod and the planetary gear rotate around the spiral frame;

[0019] S4: control the electric push rod to drive the sliding block, make the push block extend into the air outlet hole, through the thread to make the push block and the scraping rod rotate, the push block and the scraping rod clean the material adhered to the air outlet hole, the scraped material is sprayed along the high-temperature hot gas flow, after the push block resets, the electric sliding block drives the push block and the scraping rod to descend to clean the next air outlet hole;

[0020] S5: after drying, the spiral frame and the drying rod stop rotating, the spiral frame and the drying rod rise;

[0021] S6: control the servo motor to make the drying cylinder dump to discharge, the air cylinder drives the push plate to push out the material in the drying cylinder.

[0022] The beneficial effects of the present application are: 1, after crushing, the material enters the drying cylinder, the drying cylinder moves to the right, high-temperature hot gas is sprayed from the air outlet, the spiral frame and the drying rod extend into the material in the drying cylinder, the driving motor drives the spiral frame and the sun gear to rotate, the spiral frame overturns the material in the drying cylinder, the planet wheel and the drying rod are made to rotate and revolve through the outer gear ring, the high-temperature hot gas flows to the material in multiple directions, so that the material is fully contacted with the high-temperature hot gas, the push block extends into the air outlet and rotates, the material at the air outlet is cleaned in time through the push block and the scraping rod, so that the drying effect is good.

[0023] 2, when the drying cylinder pours out the material, the cam is driven to rotate through the transmission wheel, the flat belt, the bevel gear set and the transmission rod, the cam intermittently extrudes the sieve plate, and the reciprocating motion of the sieve plate is realized under the cooperation of the return spring, so that the finished material is quickly screened, the screening is fast, and the working efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole structure schematic view of the first perspective of the present application.

[0025] Figure 2 It is a whole structure schematic view of the second perspective of the present application.

[0026] Figure 3 It is a sectional structure schematic view of the crusher, the drying cylinder and the push plate of the present application.

[0027] Figure 4 It is a structure schematic view of the moving frame, the moving plate, the drying cylinder, the servo motor and the reduction gear set of the present application.

[0028] Figure 5 It is a structure schematic view of the lifting plate, the driving motor, the spiral frame and the drying rod of the present application.

[0029] Figure 6 It is a structure schematic view of the fixed plate, the hollow rotating ring, the air ring, the outer gear ring, the planet wheel and the sun gear of the present application.

[0030] Figure 7 It is a bottom view of the fixed plate, the hollow rotating ring, the outer gear ring, the planet wheel and the sun gear of the present application.

[0031] Figure 8 It is an internal structure schematic view of the drying rod of the present application.

[0032] Figure 9 It is an enlarged view of A in the present application. Figure 8

[0033] Figure 10 It is a structure schematic view of the fixed frame, the sieve plate, the collecting frame, the connecting plate and the full gear of the present application.

[0034] Figure 11 ​The schematic structural diagram of the connecting plate, the transmission wheel, the full gear, the transmission rod, the rotating rod and the cam of the application.

[0035] In the above drawings: 1: support, 2: crusher, 3: moving frame, 4: moving plate, 5: drying cylinder, 51: servo motor, 52: reduction gear set, 53: air cylinder, 54: pushing plate, 6: lifting plate, 7: driving motor, 8: spiral frame, 9: drying rod, 91: fixed plate, 92: hollow rotating ring, 93: air ring, 94: outer gear ring, 95: planetary gear, 96: sun gear, 100: sliding block, 101: electric sliding block, 102: fixed block, 103: pushing block, 104: scraping rod, 105: air outlet hole, 106: air inlet hole, 111: fixed frame, 112: sieve plate, 113: collection frame, 121: connecting plate, 122: transmission wheel, 123: full gear, 124: transmission rod, 125: rotating rod, 126: cam. DETAILED DESCRIPTION

[0036] The application will now be described more fully hereinafter with reference to the accompanying drawings, in which currently the preferred embodiments of the application are shown. The application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for thoroughness and completeness, and fully convey the scope of the application to the skilled person.

[0037] Example 1: A neodymium iron boron waste high-temperature drying equipment, referring to Figures 1-9, including support 1, crusher 2, moving frame 3, moving plate 4, drying cylinder 5, drive assembly, pushing assembly, lifting plate 6, drive motor 7, spiral frame 8, fixed plate 91, hollow rotating ring 92, ventilation ring 93, drying rod 9, rotating assembly and anti-blocking mechanism, the upper left side of support 1 is provided with crusher 2, the upper part of support 1 is provided with moving frame 3 and moving plate 4 through electric sliding rail, moving frame 3 and moving plate 4 are jointly connected with drying cylinder 5 located directly below crusher 2, drying cylinder 5 has heating function, drying cylinder 5 is tilted to discharge through drive assembly and material is pushed out through pushing assembly, the right side of crusher 2 is provided with lifting plate 6 which can automatically lift, drive motor 7 is bolted on the top of lifting plate 6, spiral frame 8 is rotatably connected on lifting plate 6, the output shaft of drive motor 7 is fixedly connected with spiral frame 8, the bottom of lifting plate 6 is connected with fixed plate 91, ventilation ring 93 is connected in the middle of fixed plate 91, hollow rotating ring 92 is rotatably connected between ventilation ring 93 and fixed plate 91, hollow rotating ring 92 is communicated with ventilation ring 93, four hollow drying rods 9 are rotatably communicated in the bottom of hollow rotating ring 92, spiral frame 8 rotates to make drying rod 9 rotate while revolving through rotating assembly, anti-blocking mechanism is arranged on drying rod 9, rotating assembly includes outer gear ring 94, planetary gear 95 and sun gear 96, sun gear 96 is connected on the upper part of spiral frame 8, planetary gear 95 is connected on the upper end of drying rod 9 and engaged with sun gear 96, outer gear ring 94 is connected on fixed plate 91 and engaged with planetary gear 95, outer gear ring 94 is fixed, power is input from sun gear 96 and output from planetary gear 95, drive assembly includes servo motor 51 and speed reduction gear set 52, servo motor 51 is bolted on the upper part of moving frame 3, the output shaft of servo motor 51 is connected with drying cylinder 5 through speed reduction gear set 52, pushing assembly includes air cylinder 53 and pushing plate 54, air cylinder 53 is bolted on the lower part of drying cylinder 5, pushing plate 54 is fixedly connected on the movable rod of air cylinder 53 and used to push out the material in drying cylinder 5.

[0038] Reference Figure 8 And Figure 9 Anti-blocking mechanism includes sliding block 100, electric sliding block 101, fixed block 102, push block 103 and scraper rod 104, air inlet hole 106 is formed in the top of drying rod 9, four rows of air outlet holes 105 are formed in the lateral side of drying rod 9, the position distribution of air outlet hole 105 is as Figure 6As shown, four liftable electric sliding blocks 101 are installed inside the drying rods 9, and a column of fixing blocks 102 is connected to each electric sliding block 101. The same column of fixing blocks 102 is consistent with the same column of air outlet holes 105. A push block 103 is threadedly connected to each fixing block 102. Each push block 103 is provided with multiple protrusions. Each fixing block 102 is slidably connected to a sliding block 100 driven by an electric push rod (not shown in the figure). The push block 103 is rotatably connected to the sliding block 100. Four scraping rods 104 are connected to each push block 103.

[0039] Firstly, the neodymium iron boron waste is added into the crusher 2, the crusher 2 is controlled to crush the neodymium iron boron waste, the crushed material enters the drying cylinder 5 for charging, then the electric sliding rail drive moving frame 3 and the moving plate 4 are controlled to move synchronously to the right, driving the drying cylinder 5 to move to the right to the front of the spiral frame 8, then the air inlet ring 93 is controlled to introduce high-temperature hot air, the high-temperature hot air enters the hollow rotating ring 92 and enters the drying rod 9 from the air inlet hole 106, the high-temperature hot air flows out from the air outlet hole 105 of the drying rod 9, then the lifting plate 6 is controlled to descend, driving the spiral frame 8, the drying rod 9, the fixed plate 91, the hollow rotating ring 92 and the air inlet ring 93 to descend, the spiral frame 8 and the drying rod 9 extend into the material in the drying cylinder 5, then the drive motor 7 is controlled to drive the spiral frame 8 and the sun gear 96 to rotate, the spiral frame 8 stirs the material in the drying cylinder 5, the sun gear 96 rotates to drive the planetary gear 95 to rotate, and the planetary gear 95 rotates around the spiral frame 8 by the meshing of the planetary gear 95 and the outer gear ring 94, the drying rod 9 rotates with the planetary gear 95, so that the high-temperature hot air can flow to the material in multiple directions, so that the material can be fully contacted with the high-temperature hot air, avoiding insufficient drying of the material, in the drying process, a small amount of material may be stuck at the air outlet hole 105, the electric push rod drive sliding block 100 is controlled to slide, the sliding block 100 drives the push block 103 to extend into the air outlet hole 105, because the push block 103 moves relative to the fixed block 102, the push block 103 rotates under the action of the threads of the fixed block 102, the push block 103 drives the scraping rod 104 to rotate, the push block 103 timely pushes out the material stuck at the air outlet hole 105, the scraping rod 104 timely scrapes off the material at the air outlet hole 105, the scraped-off material is sprayed along the high-temperature hot air flow, so that the material is prevented from being blocked at the air outlet hole 105, the electric push rod resets the push block 103, the electric sliding block 101 drives the push block 103 and the scraping rod 104 to descend, the push block 103 and the scraping rod 104 are aligned with the next air outlet hole 105, and the next air outlet hole 105 is cleaned in the same way, when the drying is completed, the spiral frame 8 and the drying rod 9 stop rotating, the lifting plate 6, the spiral frame 8, the drying rod 9, the fixed plate 91, the hollow rotating ring 92 and the air inlet ring 93 are controlled to rise and reset, then the servo motor 51 is controlled, the drying cylinder 5 is tilted to the right for discharging by the action of the speed reducer gear set 52, in the discharging process, the cylinder 53 drives the push plate 54 to move upward, the push plate 54 pushes out the material in the drying cylinder 5, improving the discharging speed and reducing the residue of the material, in this way, the crushing and drying process of the neodymium iron boron waste is continuous, the high-temperature hot air can be fully contacted with the material, ensuring the drying effect, and the cooperation of the push block 103 and the scraping rod 104 can prevent the material from being blocked at the air outlet hole 105, and the drying effect is good.

[0040] Example 2: on the basis of example 1, referring to Figure 1 、 Figure 2 、 Figure 10 and Figure 11It also includes a screening mechanism, which includes a fixed frame 111, a screen plate 112, a collection frame 113 and a transmission assembly. The fixed frame 111 is connected to the right side of the support 1. The screen plate 112 is slidably connected to the fixed frame 111. Two return springs are fixedly connected between the screen plate 112 and the fixed frame 111. The screen plate 112 is inclined. The collection frame 113 is placed below the screen plate 112 at the bottom of the fixed frame 111. When the drying cylinder 5 pours out the material, the screen plate 112 slides back and forth through the transmission assembly.

[0041] refer to Figure 1 , Figure 2 , Figure 10 and Figure 11 The transmission assembly includes a connecting plate 121, a transmission wheel 122, a full gear 123, a transmission rod 124, a rotating rod 125, and a cam 126. The reduction gear set 52 includes a large gear and a small gear. The large gear is connected to the drying cylinder 5. A connecting plate 121 is welded to the right side of the support 1. Two transmission wheels 122 are rotatably connected to the front of the connecting plate 121. The diameter of the upper transmission wheel 122 is larger than that of the lower transmission wheel 122. The two transmission wheels 122 are driven by a flat belt. A full gear 123 is welded to the upper transmission wheel 122. When the drying cylinder 5 moves to the right, the large gear meshes with the full gear 123. A horizontal transmission rod 124 and a vertical rotating rod 125 are rotatably connected to the front of the fixed frame 111. The left end of the transmission rod 124 is connected to the lower transmission wheel 122, and the right end of the transmission rod 124 is connected to the top of the rotating rod 125 via bevel gear sets. A cam 126 is welded to the bottom of the rotating rod 125. The cam 126 is shaped as follows... Figure 11 As shown, the rotation of cam 126 will intermittently push the screen plate 112 to make the screen plate 112 slide back and forth.

[0042] When the drying drum 5 moves to the right and is directly below the spiral frame 8, the large gear in the reduction gear set 52 meshes with the full gear 123. When the drying drum 5 tilts to the right to discharge the material, the large gear drives the full gear 123 to rotate. Then, through the transmission wheel 122, flat belt, bevel gear set and transmission rod 124, the rotating rod 125 and cam 126 are driven to rotate. The cam 126 intermittently squeezes the screen plate 112, and with the cooperation of the return spring, the screen plate 112 moves back and forth, thereby quickly screening the dried material. The collection frame 113 collects the screened material. The screening is fast and the working efficiency is high.

[0043] A method for using a high-temperature drying device for NdFeB waste specifically includes the following steps:

[0044] S1: Add NdFeB waste to crusher 2, and after crushing, NdFeB waste enters drying cylinder 5;

[0045] S2: control the electric slide rail to drive the drying cylinder 5 to move right, the ventilation ring 93 to enter the high temperature hot air, the high temperature hot air is sprayed from the air outlet 105, control the lifting plate 6 to drive the spiral frame 8 and the drying rod 9 to descend and extend into the material in the drying cylinder 5;

[0046] S3: control the driving motor 7 to drive the spiral frame 8 and the sun gear 96 to rotate, the spiral frame 8 turns over the material, the drying rod 9 and the planetary gear 95 rotate around the spiral frame 8;

[0047] S4: control the electric push rod to drive the sliding block 100, make the push block 103 extend into the air outlet 105, make the push block 103 and the scraper 104 rotate through the thread, the push block 103 and the scraper 104 clean the material sticking at the air outlet 105, the scraped material is sprayed along the high temperature hot air flow, after the push block 103 resets, the electric slide block 101 drives the push block 103 and the scraper 104 to descend and clean the next air outlet 105;

[0048] S5: drying is completed, the spiral frame 8 and the drying rod 9 stop rotating, the spiral frame 8 and the drying rod 9 rise;

[0049] S6: control the servo motor 51 to make the drying cylinder 5 dump and discharge, the air cylinder 53 drives the push plate 54 to push out the material in the drying cylinder 5.

[0050] Although the present application has been described with reference to the example embodiments, it is to be understood that the application is not limited to the disclosed example embodiments. The scope of the following claims is to be accorded the widest patent protection legally permissible under the patent statutes.

Claims

1. A neodymium iron boron waste high temperature drying equipment, comprising a support (1), a crusher (2) is installed on the upper part of the support (1), characterized in that: The support (1) is provided with a moving frame (3) and a moving plate (4) through an electric sliding rail, a drying cylinder (5) is rotatably connected between the moving frame (3) and the moving plate (4) and located right below the crusher (2), the drying cylinder (5) has a heating function, the drying cylinder (5) is tilted to unload through a driving assembly and the material is pushed out through a pushing assembly, a lifting plate (6) that can automatically lift is installed on the right side of the crusher (2), a spiral frame (8) driven by a driving motor (7) is rotatably connected to the lifting plate (6), a fixed plate (91) is connected to the bottom of the lifting plate (6), a ventilation ring (93) is connected to the middle of the fixed plate (91), a hollow rotating ring (92) is rotatably connected between the ventilation ring (93) and the fixed plate (91), the hollow rotating ring (92) is in communication with the ventilation ring (93), a plurality of hollow drying rods (9) are rotatably connected to the bottom of the hollow rotating ring (92), when the spiral frame (8) rotates, the drying rods (9) rotate around their own axes and revolve around the hollow rotating ring (92) through a rotating assembly, and a jam prevention mechanism is arranged on the drying rods (9); The driving assembly comprises a servo motor (51) and a speed reduction gear set (52), the servo motor (51) is connected to the upper portion of the moving frame (3), and the output shaft of the servo motor (51) is in transmission with the drying cylinder (5) through the speed reduction gear set (52); The jam prevention mechanism comprises a sliding block (100), an electric sliding block (101), a fixed block (102), a pushing block (103) and a scraping rod (104), the top of each drying rod (9) is provided with an air inlet hole (106), the side of each drying rod (9) is provided with a plurality of air outlet holes (105), a plurality of electric sliding blocks (101) that can lift are arranged in the drying rod (9), one fixed block (102) is connected to each electric sliding block (101), a pushing block (103) is threadedly connected to each fixed block (102), a thread that cooperates with the pushing block (103) is arranged in each fixed block (102), a plurality of protrusions are arranged on the surface of each pushing block (103), each fixed block (102) is slidably connected with a sliding block (100) that is driven by an electric pushing rod, the pushing block (103) is rotatably connected with the sliding block (100), and a plurality of scraping rods (104) are connected to the pushing block (103); Further comprising a screening mechanism, the screening mechanism comprises a fixed frame (111), a screen plate (112), a collection frame (113) and a transmission assembly, the fixed frame (111) is connected to the support (1), the screen plate (112) that can be reset by a reset spring is slidably connected to the fixed frame (111), the screen plate (112) is arranged in an inclined manner, the collection frame (113) is placed below the screen plate (112) at the lower portion of the fixed frame (111), and the screen plate (112) reciprocates through the transmission assembly when the drying cylinder (5) tilts to unload. The transmission assembly comprises a connecting plate (121), a transmission wheel (122), a full gear (123), a transmission rod (124), a rotating rod (125) and a cam (126), the reduction gear set (52) comprises a large gear and a small gear, the large gear is connected to the drying cylinder (5), the right part of the support (1) is connected with a connecting plate (121), the front side of the connecting plate (121) is rotatably connected with two transmission wheels (122), the two transmission wheels (122) are driven by a flat belt, the upper transmission wheel (122) is connected with a full gear (123), when the drying cylinder (5) moves to the right, the large gear will engage with the full gear (123), the front part of the fixed frame (111) is rotatably connected with a horizontal transmission rod (124) and a vertical rotating rod (125), the transmission rod (124) left end and the lower transmission wheel (122) and the transmission rod (124) right end and the rotating rod (125) top end are all driven by bevel gear sets, the bottom end of the rotating rod (125) is connected with a cam (126), the rotation of the cam (126) will intermittently push the sieve plate (112) to make the sieve plate (112) reciprocate.

2. The neodymium iron boron waste high temperature drying apparatus according to claim 1, characterized in that: The rotating assembly comprises an outer gear ring (94), a planetary gear (95) and a sun gear (96), the upper part of the spiral frame (8) is connected with a sun gear (96), the upper end of the drying rod (9) is connected with a planetary gear (95) engaging with the sun gear (96), the fixed plate (91) is connected with an outer gear ring (94) engaging with the planetary gear (95), the outer gear ring (94) is fixed, the power is input from the sun gear (96) and output from the planetary gear (95).

3. The apparatus for high temperature drying of neodymium iron boron scrap material according to claim 2, characterized in that: The pushing assembly comprises a cylinder (53) and a pushing plate (54), the lower part of the drying cylinder (5) is connected with a cylinder (53), the movable rod of the cylinder (53) is fixedly connected with a pushing plate (54) for pushing out the materials in the drying cylinder (5).

4. The apparatus for high temperature drying of neodymium iron boron scrap according to claim 3, characterized in that: The spacing of the fixed blocks (102) in the same column is consistent with that of the air outlet holes (105) in the same column.

5. The apparatus for high temperature drying of neodymium iron boron scrap material according to claim 4, characterized in that: The diameter of the upper transmission wheel (122) is greater than that of the lower transmission wheel (122).

6. The use of a high-temperature drying apparatus for neodymium iron boron waste material according to claim 5, characterized in that: Specifically comprising the following steps: S1: put the neodymium iron boron waste into the crusher (2), and after crushing, the neodymium iron boron waste enters the drying cylinder (5); S2: control the electric sliding rail to drive the drying cylinder (5) to move to the right, the air inlet ring (93) is connected to high temperature hot air, the high temperature hot air is sprayed out from the air outlet hole (105), the lifting plate (6) is controlled to drive the spiral frame (8) and the drying rod (9) to descend into the materials in the drying cylinder (5); S3: control the driving motor (7) to drive the spiral frame (8) and the sun gear (96) to rotate, the spiral frame (8) turns the materials, the drying rod (9) and the planetary gear (95) rotate around the spiral frame (8). S4: control the electric push rod to drive the sliding block (100), make the push block (103) extend into the air hole (105), make the push block (103) and the scraper (104) rotate through the thread, the push block (103) and the scraper (104) clean the material adhered at the air hole (105), the scraped material is sprayed along the high-temperature hot air flow, after the push block (103) resets, the electric sliding block (101) drives the push block (103) and the scraper (104) to descend to clean the next air hole (105); S5: after drying, the spiral frame (8) and the drying rod (9) stop rotating, the spiral frame (8) and the drying rod (9) rise; S6: control the servo motor (51) to make the drying cylinder (5) dump to discharge, the air cylinder (53) drives the push plate (54) to push out the material in the drying cylinder (5).

Citation Information

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