Dust removing device and control method thereof

Abstract

The application relates to a powder removing device and a control method thereof. The powder removing device comprises a sealed box, which comprises a box body provided with an opening, a sealed door capable of closing at least part of the opening of the box body, a first air charging valve arranged in the box body and used for conveying gas into the box body, a conveying mechanism capable of conveying a material tank into the sealed box, a powder removing mechanism arranged in the box body and used for adsorbing waste powder in the material tank, and a collecting mechanism arranged in the box body, wherein the powder removing mechanism is capable of conveying the waste powder to the collecting mechanism, and the collecting mechanism is used for collecting the waste powder. The powder removing device realizes integrated operation of waste powder removing and collecting, and improves the powder removing efficiency of the material tank.

Description

Technical Field

[0001] This application relates to the field of magnet manufacturing, and more particularly to a dust removal device and its control method. Background Technology

[0002] Neodymium iron boron (NdFeB) magnets are widely used due to their excellent magnetic properties. NdFeB magnets are made by pressing and sintering NdFeB powder, which is typically stored in a material tank. When the NdFeB powder in the tank is transferred to the next process, any remaining NdFeB powder in the tank needs to be cleaned to avoid affecting the quality of subsequent products.

[0003] The method of cleaning the waste in the material tank involves workers using a permanent magnet to adsorb the waste in the tank. This method of powder removal is labor-intensive. Neodymium iron boron powder is easily oxidized and flammable, and manual powder removal poses a risk of combustion and explosion. Summary of the Invention

[0004] To address the aforementioned issues, this application provides a dust removal device and its control method, thereby improving the efficiency and safety of dust removal.

[0005] In a first aspect, this application provides a dust removal device, comprising:

[0006] Sealed box, including:

[0007] The box has an opening;

[0008] A sealing door capable of closing at least a portion of the opening of the enclosure;

[0009] A first inflation valve is disposed in the housing and is used to supply gas into the housing;

[0010] The conveying mechanism is capable of feeding the material tank into the sealed box;

[0011] A powder removal mechanism is installed in the housing and is used to adsorb waste powder in the material tank;

[0012] A collection mechanism is disposed within the housing. The dust removal mechanism is capable of conveying the waste dust to the collection mechanism, which is used to collect the waste dust. The collection mechanism includes:

[0013] Waste bin, equipped with a feed inlet;

[0014] A control valve is provided at the feed inlet and is used to control the opening and closing of the feed inlet;

[0015] The funnel is connected to the control valve;

[0016] A second inflation valve is provided in the waste bin, and the second inflation valve is used to supply gas into the waste bin;

[0017] An overflow valve is installed in the waste bin.

[0018] According to some embodiments of this application, the sealing box further includes a first drive unit for driving the sealing door to move.

[0019] According to some embodiments of this application, the conveying mechanism includes:

[0020] The first guide rail extends into the housing at one end;

[0021] A material-carrying slide is slidably mounted on the first guide rail;

[0022] The second drive unit is used to drive the material-carrying slide to slide.

[0023] According to some embodiments of this application, the edge of the material-carrying slide is provided with a stop bar.

[0024] According to some embodiments of this application, the dust removal mechanism includes:

[0025] The second guide rail is located on the top of the housing;

[0026] The slider is slidably mounted on the second guide rail;

[0027] The carrier is disposed on the slider;

[0028] A telescopic pole, one end of which is connected to the carrier frame;

[0029] An electromagnetic coil is disposed at the other end of the telescopic rod;

[0030] The third driving unit is used to drive the slider to slide;

[0031] The fourth drive unit is disposed on the carrier frame and is used to drive the telescopic rod to extend and retract.

[0032] According to some embodiments of this application, the telescopic rod includes a plurality of rods nested sequentially, and the fourth drive unit includes:

[0033] A fourth drive is provided on the carrier.

[0034] A reel is disposed at the drive end of the fourth driver;

[0035] A first rope is wound around the reel, and the end of the first rope is connected to the innermost of the plurality of rods.

[0036] According to some embodiments of this application, the innermost part of the telescopic rod includes:

[0037] The first sub-rod is nested with the outer rod of the innermost rod;

[0038] A bellows, connecting to the end of the first sub-rod;

[0039] The second sub-rod is connected to the bellows, and the electromagnetic coil is disposed on the second sub-rod;

[0040] The dust removal mechanism also includes:

[0041] The second rope has one end connected to the carrier frame and the other end connected to the second sub-pole. When the telescopic pole extends, the second rope enables the second sub-pole to tilt relative to the first sub-pole.

[0042] A rotary driver is disposed on the slider, and the carrier is connected to the rotary driver.

[0043] Secondly, this application provides a control method for the above-mentioned dust removal device, comprising:

[0044] Place the material tank on the conveying mechanism;

[0045] The material tank is fed into the sealed box using the conveying mechanism, the sealing door closes at least part of the opening of the box, and the first inflation valve is controlled to supply inert gas into the box.

[0046] The powder removal mechanism is controlled to adsorb waste powder in the material tank and transport the waste powder to the collection mechanism;

[0047] The waste powder is collected using the collection mechanism.

[0048] According to some embodiments of this application, controlling the powder removal mechanism to adsorb waste powder in the material tank and convey the waste powder to the collection mechanism includes:

[0049] The telescopic rod of the powder removal mechanism is extended, and the electromagnetic coil of the powder removal mechanism is energized to adsorb the waste powder in the material tank.

[0050] Control the telescopic rod to retract;

[0051] The slider of the dust removal mechanism is controlled to move the telescopic rod and the electromagnetic coil above the collection mechanism, so that the telescopic rod extends and the electromagnetic coil is de-energized, so that the waste dust falls into the collection mechanism.

[0052] According to some embodiments of this application, collecting the waste powder using the collection mechanism includes:

[0053] Inert gas is supplied to the waste bin of the collection mechanism;

[0054] Open the feed inlet of the waste bin so that the waste powder in the funnel of the collection mechanism falls into the waste bin.

[0055] The beneficial effects of this application are as follows:

[0056] 1. The dust removal device of this application realizes the integrated operation of dust removal and collection of waste powder, and improves the efficiency of dust removal from the material tank.

[0057] 2. The dust removal process of this application is carried out in a sealed box, which reduces the oxygen content of the dust removal environment, avoids spontaneous combustion of waste powder, and improves the safety of dust removal. Attached Figure Description

[0058] To more clearly illustrate the technical solutions of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without exceeding the scope of protection claimed by this application.

[0059] Figure 1 This is a schematic diagram of the dust removal device in the embodiments of this application. Figure 1 ;

[0060] Figure 2 This is a schematic diagram of the dust removal device in the embodiments of this application. Figure 2 ;

[0061] Figure 3 This is a schematic diagram of the collection mechanism in the embodiments of this application.

[0062] Figure 4 yes Figure 2 Enlarged view of section A in the middle;

[0063] Figure 5 This is a schematic diagram of the guide rail groove according to an embodiment of this application;

[0064] Figure 6 This is a schematic diagram of the dust removal mechanism and the collection mechanism in an embodiment of this application;

[0065] Figure 7 This is a schematic diagram of the powder removal mechanism in an embodiment of this application;

[0066] Figure 8 This is a schematic diagram of a dust removal mechanism with a rotary driver according to an embodiment of this application;

[0067] Figure 9 yes Figure 8 Enlarged view of section B;

[0068] Figure 10 This is a schematic diagram showing the tilting of the second sub-rod in an embodiment of this application;

[0069] Figure 11 This is a flowchart of the control method of the dust removal device according to an embodiment of this application. Detailed Implementation

[0070] The technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0071] like Figure 1 and Figure 2 As shown, an embodiment of this application provides a dust removal device 100, which includes a sealed box 1, a conveying mechanism 2, a dust removal mechanism 3, and a collection mechanism 4.

[0072] The sealed box 1 includes a box body 11, a sealing door 12, and a first inflation valve 13. The interior of the box body 11 is a sealed cavity 111. Optionally, the box body 11 is rectangular. The side wall of the box body 11 is provided with an opening, for example, the opening is provided on the left side wall of the box body 11. Figure 1 and Figure 2 The front side wall of box 11 is omitted.

[0073] A sealing door 12 is disposed on the housing 11. The sealing door 12 is capable of closing at least a portion of the opening of the housing 11. If necessary, the sealing door 12 can completely close the opening of the housing 11. Optionally, the sealing door 12 can slide up and down to open or close the opening of the housing 11.

[0074] The first inflation valve 13 is installed in the housing 11 and is used to supply inert gas into the housing 11. When the material tank 200 is de-powdering in the housing 11, the first inflation valve 13 supplies inert gas into the housing 11 to reduce the oxygen content in the housing 11, prevent the waste powder from spontaneously combusting during the de-powdering process, and improve the safety of the de-powdering device 100.

[0075] Optionally, an oxygen content detector is installed on the chamber 11 to detect the oxygen content in the chamber 11. During the dust removal process, when the oxygen content in the chamber 11 is lower than the preset value, the first air filling valve 13 supplies inert gas to the chamber 11.

[0076] The conveying mechanism 2 can deliver the material tank 200 into the sealed cavity 111 of the sealed box 1. After the sealing door 12 is opened, the conveying mechanism 2 delivers the material tank 200 into or out of the sealed cavity 111 through the opening of the box 11.

[0077] The powder removal mechanism 3 is located in the housing 11, for example, at the top of the housing 11. After the material tank 200 is fed into the sealed cavity 111, the powder removal mechanism 3 is used to adsorb the waste powder in the material tank 200.

[0078] The collection mechanism 4 is installed in the box 11. After the powder removal mechanism 3 adsorbs the waste powder in the material tank 200, it can transport the waste powder to the collection mechanism 4, which is used to collect the waste powder.

[0079] like Figure 3 As shown, the collection mechanism 4 includes: a waste bin 41, a control valve 42, a funnel 43, a second inflation valve 44, and an overflow valve 45.

[0080] The waste bin 41 is provided with a feed inlet, and a control valve 42 is located at the feed inlet of the waste bin 41. The control valve 42 is used to control the opening and closing of the feed inlet of the waste bin 41. A funnel 43 is connected to the control valve 42. Optionally, the funnel 43 is located above the control valve 42, and the control valve 42 is a pneumatic valve. A second inflation valve 44 is located in the waste bin 41 and is used to supply inert gas into the waste bin 41. An overflow valve 45 is located in the waste bin 41.

[0081] The dust removal mechanism 3 conveys waste powder to the funnel 43, the control valve 42 opens, and the waste powder in the funnel 43 falls into the waste bin 41. After the waste powder falls into the waste bin 41, the control valve 42 closes.

[0082] Before control valve 42 opens, second inflation valve 44 opens to supply inert gas into waste bin 41. After the dust removal mechanism 3 transports waste powder to funnel 43, sealing door 12 can be opened to remove material tank 200 from housing 11. Opening sealing door 12 may increase the oxygen content in sealed cavity 111. Supplying inert gas into waste bin 41 through second inflation valve 44 ensures a low oxygen content in waste bin 41, preventing spontaneous combustion of waste powder. After control valve 42 closes, second inflation valve 44 closes. If the gas pressure in waste bin 41 is too high, the gas inside can be discharged through overflow valve 45.

[0083] Optionally, the funnel 43 has a "V" shaped structure, and its lower end is connected to the control valve 42 via a flange. The funnel 43 can be made of a material that does not easily generate static electricity. The inflation pressure of the first inflation valve 13 and the second inflation valve 44 is 100-150 kPa, and the flow rate is 10-15 L / min, which can quickly discharge oxygen from the housing 11 and the waste container 41.

[0084] The dust removal device 100 in this embodiment has a high degree of automation, reducing manual labor during the dust removal process and improving dust removal efficiency. Dust removal and waste dust collection are carried out in a sealed box 1, reducing the oxygen content in the dust removal environment and ensuring high safety.

[0085] like Figure 4 As shown, in some embodiments, the sealing box 1 further includes a first drive unit 15, which is used to drive the sealing door 12 to move.

[0086] Optionally, the first drive unit 15 includes a first driver 151, a gear 152, and a rack 153. The first driver 151 can be a motor, the gear 152 is disposed at the drive end of the first driver 151, and the rack 153 is disposed on the sealing door 12, with the gear 152 and rack 153 being adapted to each other. The first driver 151 can drive the sealing door 12 to slide up and down to open or close the opening of the housing 11.

[0087] like Figure 5 As shown, a guide rail groove 16 is provided on the outside of the opening of the housing 11. The guide rail groove 16 is L-shaped, and the sealing door 12 is slidably disposed in the guide rail groove 16. The guide rail groove 16 can guide the up and down sliding of the sealing door 12.

[0088] like Figure 1 As shown, in some embodiments, the conveying mechanism 2 includes: a first guide rail 21, a material-carrying slide 22, and a second drive unit (not shown in the figure). A support platform 14 is provided on the outer side of the housing 1. One end of the first guide rail 21 is disposed on the support platform 14, and the other end of the first guide rail 21 extends through the opening of the housing 11 into the sealed cavity 111. The material-carrying slide 22 is slidably disposed on the first guide rail 21. The second drive unit is used to drive the material-carrying slide 22 to slide along the first guide rail 21. Optionally, the second drive unit is a motor.

[0089] In some embodiments, a stop bar is provided at the edge of the top surface of the material loading slide 22 to restrict the material tank 200 on the material loading slide 22.

[0090] like Figure 6 and Figure 7 As shown, in some embodiments, the dust removal mechanism 3 includes: a second guide rail 31, a slider 32, a telescopic rod 33, an electromagnetic coil 34, a third drive unit (not shown in the figure), a fourth drive unit 35, and a carrier 36.

[0091] The second guide rail 31 is horizontally positioned at the top of the inner wall of the housing 11. The slider 32 is adapted to the second guide rail 31 and slidably mounted on it. A third drive unit, for example, is a motor, to drive the slider 32 to slide. The top of the telescopic rod 33 is connected to the slider 32. A carrier 36 is mounted on the slider 32, and the telescopic rod 33 is connected to the carrier 36. The telescopic rod 33 can extend and retract vertically. An electromagnetic coil 34 is located at the bottom of the telescopic rod 33, and it generates magnetism when energized. A fourth drive unit 35 is mounted on the slider 32; for example, the fourth drive unit 35 is connected to the carrier 36, and it drives the telescopic rod 33 to extend and retract.

[0092] After the material tank 200 enters the sealed cavity 111 of the housing 11 and moves to the preset position, the fourth drive unit 35 drives the telescopic rod 33 to extend, and the electromagnetic coil 34 enters the material tank 200. After the electromagnetic coil 34 is energized, it adsorbs the waste powder in the material tank 200.

[0093] After the electromagnetic coil 34 adsorbs the waste powder, the fourth drive unit 35 drives the telescopic rod 33 to retract. The slider 32 moves the telescopic rod 33 and the electromagnetic coil 34 to above the collection mechanism 4. The fourth drive unit 35 drives the telescopic rod 33 to extend, and the electromagnetic coil 34 moves down to the preset position and is de-energized. The waste powder falls to the collection mechanism 4 under the action of gravity.

[0094] In some embodiments, the telescopic rod 33 includes a plurality of hollow rods 331 nested sequentially, with the outermost rod connected to a carrier 36. The fourth drive unit 35 includes a fourth driver 351, a reel 352, and a first rope 353. The fourth driver 351 is mounted on the carrier 36 on the slider 32; optionally, the fourth driver 351 is a motor. The reel 352 is located at the drive end of the fourth driver 351. The first rope 353 is wound around the reel 352, and its end is connected to the innermost rod. Optionally, the first rope 353 passes through the telescopic rod 33 and is connected to the inner wall of the innermost rod.

[0095] When the telescopic pole 33 extends, the fourth actuator 351 drives the winding reel 352 to rotate, releasing the wound first rope 353, and the telescopic pole 33 extends under the action of gravity. When the telescopic pole 33 retracts, the fourth actuator 351 drives the winding reel 352 to rotate in the opposite direction, retracting the first rope 353. The first rope 353 applies tension to the innermost pole body, and the telescopic pole 33 retracts.

[0096] The telescopic rod 33 moves the electromagnetic coil 34 down into the funnel 43. The electromagnetic coil 34 is then de-energized, and the waste powder on it falls into the funnel 43 under gravity. The control valve 42 opens, and the waste powder in the funnel 43 falls into the waste bin 41. After the waste powder falls into the waste bin 41, the control valve 42 closes.

[0097] like Figure 8 , Figure 9 and Figure 10 As shown, in some embodiments, the innermost rod 331a of the telescopic rod 33 includes: a first sub-rod 332, a bellows 333, and a second sub-rod 334. The first sub-rod 332 is nested with the outermost rod 331b of the innermost rod, and the bottom end of the first sub-rod 332 extends beyond the outermost rod 331b of the innermost rod. The bellows 333 is a flexible tube, and its top end is connected to the bottom end of the first sub-rod 332. The second sub-rod 334 is connected to the bottom end of the bellows 333, and an electromagnetic coil 34 is disposed at the bottom end of the second sub-rod 334.

[0098] The dust removal mechanism 3 also includes a rotary driver 37 and a second rope 38. The top end of the second rope 38 is connected to the carrier 36, and the bottom end of the second rope 38 is connected to the outer wall of the second sub-rod 334. The length of the second rope 38 is less than the length of the telescopic rod 33 in its vertical position after extension. Optionally, the second rope 38 passes through the telescopic rod 33. In another embodiment, the second rope 38 is located outside the telescopic rod 33. When the telescopic rod 33 is fully extended, the second rope 38 applies tension to the second sub-rod 334, causing the second sub-rod 334 to tilt relative to the first sub-rod 332; for example, the second sub-rod 334 is pulled to a horizontal position. When the telescopic rod 33 is retracted, the tension of the second rope 38 on the second sub-rod 334 disappears, and the second sub-rod 334 returns to a vertical position. When the second sub-rod 334 tilts, the electromagnetic coil 34 moves with the second sub-rod 334. The length of the second sub-rod 334 is set according to requirements; for example, the length of the second sub-rod 334 is 3 cm.

[0099] The rotary driver 37 is mounted on the slider 32, and the carrier 36 is mounted on the output end of the rotary driver 37. Optionally, the rotary driver 37 is a rotary cylinder.

[0100] The feed inlet of the material tank 200 has a small diameter. When the second rod 334 enters or exits the material tank 200, the second rod 334 is in a vertical position, which makes it easier for the second rod 334 to pass through the feed inlet of the material tank 200.

[0101] The second sub-rod 334 enters the material tank 200. When the telescopic rod 33 is fully extended, the second rope 38 applies tension to the second sub-rod 334, causing it to tilt relative to the first sub-rod 332. The electromagnetic coil 34 moves along with the second sub-rod 334. The rotary driver 37 drives the telescopic rod 33 and the electromagnetic coil 34 to rotate, which increases the scanning area of ​​the electromagnetic coil 34 for better adsorption of waste powder.

[0102] When the telescopic rod 33 is fully extended, the distance between the electromagnetic coil 34 and the bottom of the material tank 200 is set according to requirements.

[0103] Optionally, the material tank 200 is placed in front of the conveying mechanism 2, and the material tank 200 is struck with a tool, such as a wooden mallet, to vibrate the floating powder on the side wall of the material tank 200 to the bottom of the material tank 200.

[0104] In some embodiments, a protective cover 39 is provided on the outside of the electromagnetic coil 34. After the electromagnetic coil 34 is de-energized, it may retain residual magnetism or static electricity, preventing all waste powder from falling off. Providing a protective cover 39 on the electromagnetic coil 34 can reduce the interference of residual magnetism or static electricity on the removal of waste powder. Optionally, the protective cover 39 is made of rubber and covers the outside of the electromagnetic coil 34, with a wall thickness of 0.5–1 cm.

[0105] like Figure 11 As shown, an embodiment of this application provides a control method for the above-described dust removal device 100, comprising:

[0106] S1. Place the material tank 200 on the conveying mechanism 2. For example, place the material tank 200 on the material carrying slide 22.

[0107] S2. The material tank 200 is fed into the sealed box 1 by the conveying mechanism 2, the sealing door 12 closes at least part of the opening of the box 11, and the first inflation valve 13 is controlled to deliver inert gas into the box 11.

[0108] For example, the material-carrying slide 22 drives the material tank 200 into the box 11, the sealing door 12 moves down to close the opening of the box 11, and the first inflation valve 13 delivers inert gas into the box 11 to reduce the oxygen content in the sealed cavity 111.

[0109] S3. Control the waste powder in the adsorption tank 200 of the powder removal mechanism 3 and transport the waste powder to the collection mechanism 4.

[0110] S4. Collect waste powder using collection mechanism 4.

[0111] In some embodiments, step S3, controlling the powder mechanism to adsorb waste powder in the material tank and conveying the waste powder to the collection mechanism, includes:

[0112] The fourth driver 351 drives the winding wheel 352 to rotate, releasing the wound first rope 353, and the telescopic rod 33 extends under the action of gravity.

[0113] When the electromagnetic coil 34 enters the material tank 200 and is energized, the electromagnetic coil 34 adsorbs the waste powder in the material tank 200.

[0114] The fourth driver 351 drives the winding reel 352 to rotate in the opposite direction, retracting the first rope 353. The first rope 353 pulls the telescopic rod 33 to retract.

[0115] The control slider 32 moves the telescopic rod 33 and the electromagnetic coil 34 to the top of the collection mechanism 4. The fourth drive unit 35 drives the telescopic rod 33 to extend, and the electromagnetic coil 34 moves down to the preset position and then is de-energized, so that the waste powder falls to the collection mechanism 4 under the action of gravity.

[0116] In some embodiments, step S4, collecting waste powder using the collection mechanism 4, includes:

[0117] After the waste powder falls into the funnel 43, the second air valve 44 is opened to deliver inert gas into the waste bin 41;

[0118] Open the control valve 42 to allow the waste powder in the funnel 43 to fall into the waste bin 41;

[0119] Close control valve 42 and close the second inflation valve 44.

[0120] The dust removal device 100 also includes a controller, which can be an existing controller. The first driver, the second driver unit, the third driver unit, the fourth driver, the first inflation valve, and the second inflation valve are all connected to the controller in communication. The controller controls the operation of each driver and inflation valve.

[0121] The embodiments of this application have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this application. The descriptions of the embodiments above are only for the purpose of helping to understand the technical solutions and core ideas of this application. Therefore, any changes or modifications made by those skilled in the art based on the ideas of this application, and on the specific implementation methods and application scope of this application, are all within the scope of protection of this application. In summary, the content of this specification should not be construed as a limitation of this application.

Claims

1. A dust removal device, characterized in that, include: Sealed box, including: The box has an opening; A sealing door capable of closing at least a portion of the opening of the enclosure; A first inflation valve is disposed in the housing and is used to supply gas into the housing; The conveying mechanism is capable of feeding the material tank into the sealed box; A powder removal mechanism is installed in the housing and is used to adsorb waste powder in the material tank; A collection mechanism is disposed within the housing. The dust removal mechanism is capable of conveying the waste dust to the collection mechanism, which is used to collect the waste dust. The collection mechanism includes: Waste bin, equipped with a feed inlet; A control valve is provided at the feed inlet and is used to control the opening and closing of the feed inlet; The funnel is connected to the control valve; A second inflation valve is provided in the waste bin, and the second inflation valve is used to supply gas into the waste bin; An overflow valve is installed in the waste bin; The dust removal mechanism includes: The second guide rail is located on the top of the housing; The slider is slidably mounted on the second guide rail; The carrier is disposed on the slider; A telescopic pole, one end of which is connected to the carrier frame; An electromagnetic coil is disposed at the other end of the telescopic rod; The third driving unit is used to drive the slider to slide; The fourth drive unit is disposed on the carrier frame and is used to drive the telescopic rod to extend and retract; The telescopic rod comprises multiple rods nested sequentially, and the innermost rod of the telescopic rod includes: The first sub-rod is nested with the outer rod of the innermost rod; A bellows, connecting to the end of the first sub-rod; The second sub-rod is connected to the bellows, and the electromagnetic coil is disposed on the second sub-rod; The dust removal mechanism also includes: The second rope has one end connected to the carrier and the other end connected to the second sub-pole. The length of the second rope is less than the length of the telescopic pole when it is in a vertical position after it is extended. When the telescopic pole is extended, the second rope enables the second sub-pole to tilt relative to the first sub-pole. A rotary driver is disposed on the slider, and the carrier is connected to the rotary driver.

2. The dust removal device according to claim 1, characterized in that, The sealed box also includes a first drive unit, which is used to drive the sealed door to move.

3. The dust removal device according to claim 1, characterized in that, The conveying mechanism includes: The first guide rail extends into the housing at one end; A material-carrying slide is slidably mounted on the first guide rail; The second drive unit is used to drive the material-carrying slide to slide.

4. The dust removal device according to claim 3, characterized in that, The edge of the material-carrying slide is provided with a stop bar.

5. The dust removal device according to claim 1, characterized in that, The fourth drive unit includes: A fourth drive is provided on the carrier. A reel is disposed at the drive end of the fourth driver; A first rope is wound around the reel, and the end of the first rope is connected to the innermost rod among the plurality of rods.

6. A control method for the dust removal device according to claim 1, characterized in that, include: Place the material tank on the conveying mechanism; The material tank is fed into the sealed box using the conveying mechanism, the sealing door closes at least part of the opening of the box, and the first inflation valve is controlled to supply inert gas into the box. The powder removal mechanism is controlled to adsorb waste powder in the material tank and transport the waste powder to the collection mechanism; The waste powder is collected using the collection mechanism.

7. The method according to claim 6, characterized in that, Controlling the powder removal mechanism to adsorb waste powder in the material tank and transport the waste powder to the collection mechanism includes: The telescopic rod of the powder removal mechanism is extended, and the electromagnetic coil of the powder removal mechanism is energized to adsorb the waste powder in the material tank. Control the telescopic rod to retract; The slider of the dust removal mechanism is controlled to move the telescopic rod and the electromagnetic coil above the collection mechanism, so that the telescopic rod extends and the electromagnetic coil is de-energized, so that the waste dust falls into the collection mechanism.

8. The method according to claim 6, characterized in that, Collecting the waste powder using the collection mechanism includes: Inert gas is supplied to the waste bin of the collection mechanism; Open the feed inlet of the waste bin so that the waste powder in the funnel of the collection mechanism falls into the waste bin.

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