CN219663998U - Powder deironing discharge apparatus - Google Patents

Abstract

The utility model discloses a powder deironing and unloading device which is used for removing magnetic foreign matters in a new energy battery anode material, and comprises an deironing assembly, a discharging assembly and an aggregation assembly, wherein the deironing assembly is used for removing the magnetic foreign matters in powder in a magnet adsorption mode, the powder comprises the new energy battery anode material, the discharging assembly is used for discharging the powder from which the magnetic foreign matters are removed, and discharging the magnetic foreign matters adsorbed by the deironing assembly, and the aggregation assembly is used for collecting the magnetic foreign matters after the discharging is completed. Through deironing subassembly of design, adsorb the magnetic substance in the positive electrode material, the rethread arranges the material subassembly and discharges the magnetic substance of absorption, and then reduces the magnetic substance content in the positive electrode material to the security performance of new energy battery has been improved.

Description

Powder deironing discharge apparatus

Technical Field

The utility model relates to the field of new energy, in particular to a powder iron removal and discharge device which is used for removing iron from a positive electrode material of a new energy battery.

Background

Currently, the mainstream new energy batteries are ternary lithium and lithium iron phosphate batteries. The quality of the new energy battery anode material is a key factor influencing the service life and the safety performance of the battery, and the content of the magnetic substance in the new energy battery anode material has great influence on the safety performance of the battery.

At present, in the manufacturing process of the new energy battery, the existence of magnetic foreign matters (such as simple substances, alloys or oxides such as Fe, cr, ni, zn) in the anode material often causes the internal short circuit phenomenon of the new energy battery in the use process, so that the new energy battery fires and even explodes. Therefore, it is highly desirable for those skilled in the art to have a device capable of removing magnetic foreign materials from the positive electrode material of a new energy battery.

Disclosure of Invention

The utility model provides a powder deironing and discharging device, which is characterized in that magnetic substances in a positive electrode material are adsorbed through a designed deironing assembly, and the adsorbed magnetic substances are discharged through a discharging assembly, so that the content of the magnetic substances in the positive electrode material is reduced, and the safety performance of a new energy battery is improved.

The technical scheme provided by the utility model is as follows:

the powder deironing and unloading device comprises an deironing assembly, a discharging assembly and an aggregate assembly;

the iron removing component removes magnetic foreign matters in powder in a magnet adsorption mode, and the powder comprises a new energy battery anode material;

the discharging component is used for discharging the powder from which the magnetic foreign matters are removed and discharging the magnetic foreign matters adsorbed by the iron removing component;

the aggregate component is used for collecting the magnetic foreign matters after the unloading is completed.

Further, the deironing subassembly includes the deironing ware, the deironing ware includes deironing ware shell, deironing ware inner shell, the outward opening door has been seted up on the deironing ware shell, deironing ware inner shell top is provided with first gas blowing mouth, deironing ware inner shell top is provided with the feed inlet, it is provided with many magnetic bars to remove in the deironing ware inner shell, deironing ware inner shell bottom intercommunication has the feed bin, be provided with the second gas blowing mouth on the feed bin.

Further, the discharging assembly comprises a discharging pipe and a branch pipe, the discharging pipe is connected with the bottom of the storage bin, the discharging pipe is provided with a third air blowing port, and a plate turnover device is arranged in the discharging pipe;

the branch pipe is communicated with the middle part of the blanking pipe, the diameter of the branch pipe is smaller than that of the blanking pipe, and the branch pipe is closed when the plate turnover device is not started, so that powder can conveniently pass through the blanking pipe; the blanking pipe is closed after the plate turnover is started, so that the magnetic foreign matters can pass through the branch pipe conveniently, and the complete unloading is realized through the third air blowing port.

Further, the plate turnover device comprises a plate turnover, a rotating shaft, a baffle and an inner check ring, wherein the baffle protrudes out of the inner wall of the blanking pipe and is of a semicircular structure;

the baffle and the rotating shaft are respectively arranged above and below the opening of the branch pipe, the rotating shaft is movably connected with the turning plate, when the rotating shaft is not started, the turning plate seals the opening of the branch pipe, and the upper part of the turning plate is matched with the baffle; after the rotating shaft is started, the turning plate is opened to seal the blanking pipe, the turning plate is in contact with the inner check ring, and the upper surface of the turning plate is tangent to the bottom of the branch pipe.

Further, the collection assembly is arranged at the tail end of the branch pipe and comprises a collection box, the collection box comprises a collection box inner box and a collection box outer shell, the collection box inner box is communicated with the branch pipe, an outward opening door is arranged on the collection box outer shell, and a filter is arranged on the collection box.

Further, the third air blowing port is arranged opposite to the baffle, and the air blowing direction of the third air blowing port faces to the baffle and the turning plate respectively.

Further, a displacement sensor is arranged on the rotating shaft and used for detecting the opening angle of the turning plate, and the rotating shaft is connected with a controller which is used for controlling the opening and closing of the rotating shaft.

Further, a magnetic rod sleeve is arranged in the inner shell of the iron remover, the magnetic rod is arranged in the magnetic rod sleeve, the magnetic rod is connected with a pneumatic device, and the magnetic rod moves out of the magnetic rod sleeve through the pneumatic device.

Further, the turning plate is designed into an oval structure, a silica gel ring is arranged on the outer ring of the turning plate, and the silica gel ring is used for increasing the sealing effect of the turning plate, the blanking pipe and the branch pipe.

Further, the inner ring of the turning plate is made of 304 stainless steel, and zirconia ceramics are sprayed on the surface of the inner ring of the turning plate;

the blanking pipe is made of 304 stainless steel and is lined with ceramic;

the inner shell of the iron remover is made of 304 stainless steel, and zirconia ceramics are sprayed outside the inner shell;

the bin is made of 304 stainless steel, and zirconia ceramics are sprayed inside the bin;

the iron remover shell is made of PPH material, and handles are arranged on the outward opening doors;

the first air blowing port, the second air blowing port and the third air blowing port are all made of 304 stainless steel;

the baffle is made of 304 stainless steel, and ceramic is sprayed outside the baffle;

the magnetic rod adopts a permanent strong magnetic rod with the permanent strength of more than 12000 GS.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model provides a powder deironing and unloading device which is used for removing magnetic foreign matters in a positive electrode material of a new energy battery, and comprises an deironing assembly, a discharging assembly and an aggregate assembly, wherein the deironing assembly is designed to adsorb magnetic matters in the positive electrode material, and the discharging assembly is designed to discharge the adsorbed magnetic matters, so that the content of the magnetic matters in the positive electrode material is reduced, and the safety performance of the new energy battery is improved;

2. compared with the traditional upper blowing, the utility model has better blowing effect, the magnetic foreign matters which do not fall on the magnetic rod sleeve are discharged through the first blowing port, and the magnetic foreign matters are not accumulated in the storage bin through the second blowing port arranged in the storage bin, so that the magnetic foreign matters in the ironware are prevented from being mixed into new products when the cleaning of the magnetic foreign matters in the ironware is finished, and the magnetic foreign matters in the products can be greatly reduced; the third air blowing port arranged on the blanking pipe can blow the magnetic foreign matters remained on the turning plate and the baffle into the receiving box, so that the residual magnetic foreign matters are prevented from entering the product, and the quality of the product is improved;

3. the iron remover main body is externally provided with an iron remover shell made of ppH material, and the collecting box is provided with a collecting box inner box made of ppH material, so that on one hand, the generation of more metal scraps and magnetic differences is avoided by selecting nonmetallic materials; on the other hand, by arranging the shell of the iron remover as the ppH protective cover, magnetic substances in the environment are prevented from entering the system, and the adsorption of the external part of the iron remover is reduced; the collection box inner box made of ppH material is arranged, so that on-site operators can clean magnetic foreign matters in time, and the magnetic foreign matters can be cleaned in the external environment of a workplace;

4. the silica gel ring is arranged outside the turning plate, so that the sealing effect of the turning plate and the blanking pipe is improved, magnetic foreign matters cannot enter a product pipeline through gaps between the turning plate and the pipeline when the magnetic foreign matters are cleaned, and product materials cannot enter the branch pipe through upper gaps when the turning plate is opened, so that the product yield cannot be reduced; meanwhile, the turnover plate is sprayed with zirconia ceramics, so that materials cannot be in direct contact with metal, and metal scraps generated by friction are reduced; therefore, the turning plate has the effects of yield and quality improvement; the rotating shaft is integrally welded with the turning plate, a fixing screw is not required to be arranged, and friction between materials and equipment is reduced;

5. the opening detection device is arranged outside the rotating shaft, the opening degree of the turning plate is known through the distance between the displacement sensor and the turning plate, and the opening state of the turning plate is monitored, so that accidents that the quality is affected due to material leakage, magnetic foreign matters entering products and the like caused by the fact that the turning plate is not opened, not closed, incompletely opened and incompletely closed are avoided;

6. according to the utility model, the semicircular baffle is arranged, when the turning plate is closed, the upper silica gel ring is just contacted with the lower edge of the baffle, so that a gap between the turning plate and a pipeline is just shielded, and qualified materials cannot enter the branch pipe through the gap when the materials fall down; similarly, when turning over the board and opening, the silica gel circle just falls in lower part baffle top for turn over board and pipeline space reduction, when magnetic foreign matter begins unloading, magnetic foreign matter directly slides into the collection box through turning over the board, makes the gap reduce owing to the shielding of turning over the board, and magnetic foreign matter can not get into the finished product pipeline through turning over the board, reduces the risk.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a deironing assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a panel turnover structure according to an embodiment of the present utility model;

fig. 4 is a schematic view of the inner retainer ring and the baffle in the embodiment of the utility model.

The reference numerals are as follows:

the iron remover comprises a 1-iron remover shell, a 2-feed port flange, a 3-magnetic rod sleeve, a 4-first air blowing port, a 5-second air blowing port, a 6-third air blowing port, a 7-baffle, an 8-rotating shaft, a 9-collecting box inner box, a 10-filter, a 11-inner retainer ring, a 12-turning plate, a 13-flange interface, a 14-collecting box shell, a 15-iron remover inner shell, a 16-iron remover magnetic rod discharge chamber, a 17-silica gel ring, a 18-bin, a 19-blanking pipe and a 20-branch pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the embodiments described below are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Accordingly, the following detailed description of the embodiments of the utility model, taken in conjunction with the accompanying drawings, is intended to represent only selected embodiments of the utility model, and not to limit the scope of the utility model as claimed. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments of the present utility model, are within the scope of the present utility model.

It should be understood that in the description of the embodiments of the present utility model, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the embodiments of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first", "second", "third" may include one or more of the stated features, either explicitly or implicitly. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

The utility model provides a powder deironing and unloading device which is used for removing magnetic foreign matters in a new energy battery anode material, and comprises an deironing assembly, a discharging assembly and an aggregate assembly;

the iron removing component removes magnetic foreign matters in powder in a magnet adsorption mode, and the powder comprises a new energy battery anode material;

the discharging component is used for discharging the powder from which the magnetic foreign matters are removed and discharging the magnetic foreign matters adsorbed by the iron removing component;

the aggregate component is used for collecting the magnetic foreign matters after the unloading is completed.

Referring to fig. 1 and 2, the iron removing assembly comprises an iron remover, the iron remover comprises an iron remover outer shell 1 and an iron remover inner shell 15, an outward opening door is arranged on the iron remover outer shell 1, a first air blowing port 4 is arranged above the iron remover inner shell 15, a feeding port flange 2 is connected to the top of the iron remover inner shell through a flange, a plurality of magnetic rod sleeves 3 are arranged in the iron remover inner shell 15, magnetic rods are movably arranged in the magnetic rod sleeves 3, a pneumatic device is connected to the magnetic rods, and the magnetic rods can be moved out of the magnetic rod sleeves 3 through the pneumatic device. The pneumatic device can be a film type, a piston type, a shifting fork type or a gear rack type pneumatic device, etc. We do not limit the kind of pneumatic device.

Referring to fig. 2, a funnel-shaped storage bin 18 is connected to the bottom of the inner shell 15 of the iron remover, and a second air blowing port 5 is arranged on the storage bin 18. The first air blowing port 4, the second air blowing port 5 and the third air blowing port 6 are all filled with compressed air, and a certain angle is arranged towards the direction, so that the aim of facilitating unloading is fulfilled.

Referring to fig. 1, 3 and 4, the discharging assembly comprises a rotating shaft 8, a baffle 7, an inner retainer ring 11, a turning plate 12, a discharging pipe 19 and a branch pipe 20, wherein the bottom of the discharging pipe 19 is connected with the bottom of a storage bin 18 through a flange interface 13, a third air blowing port 6 is formed in the opposite side of the baffle 7, the branch pipe 20 is communicated with the middle of the discharging pipe 19, the diameter of the branch pipe 20 is smaller than that of the discharging pipe 19, the baffle 7 is designed to be of a semicircular structure and protrudes out of the inner wall of the discharging pipe 19, and the turning plate 12 is designed to be of an elliptic structure and is matched with the baffle 7. The rotating shaft 8 is movably connected with the turning plate 12, when the rotating shaft 8 is not started, the whole blanking pipe 19 is kept smooth, at the moment, powder of the positive electrode material of the new energy battery is added into the inner shell 15 of the iron remover through the feeding hole flange 2, the powder is adsorbed by magnetic foreign matters in the powder after passing through the magnetic rod, and the powder is discharged from the bottom of the blanking pipe 19 after passing through the storage bin 18 and the blanking pipe 19. At this time, the opening of the branch pipe 20 is closed by the flap 12 and the shutter 7, and the rotation shaft 8 is in an inactive state. After the powder is completely discharged, the rotary shaft 8 is started, the rotary shaft 8 drives the turning plate 12 to be opened, the turning plate 12 and the inner check ring 11 seal the blanking pipe 19, at the moment, the magnetic foreign matters adsorbed on the magnetic rod are blown down through the first air blowing port 4 and the second air blowing port 5, and the blown-down magnetic foreign matters enter the branch pipe 20 to finish discharging through the blowing force of the third air blowing port 6. In order to ensure complete discharge, the upper surface of the flap 12 should be arranged tangentially to the bottom of the branch pipe 20 and the third air-blowing opening 6 should be arranged in two blowing directions, one towards the flap 7 and the other towards the flap 12, ensuring that the magnetic foreign bodies on the flap 7, the flap 12 are completely blown off.

As shown in fig. 3, in order to achieve a better sealing effect in the unloading process, a silica gel ring 17 is arranged on the outer ring of the turning plate 12, and the silica gel ring is used for increasing the sealing effect between the turning plate 12 and the blanking pipe 19 and between the turning plate and the branch pipe 20.

In order to monitor the opening and closing states of the turning plate 12, an opening detection device can be arranged on the rotating shaft 8, and the opening detection device conducts electric signals with the position change of the rotating shaft 8 due to the rotation of the turning plate 12 so as to monitor the opening state of the turning plate 12, thereby avoiding accidents that the quality is affected due to the fact that the turning plate 12 is not opened, not closed, incompletely opened and incompletely closed, the materials of products leak, and magnetic foreign materials enter the products, and the like. The rotating shaft 8 is integrally welded with the turning plate 7, a fixing screw is not required, and friction between materials and equipment is reduced.

In this embodiment, a displacement sensor is disposed on the rotation shaft 8, and the opening degree of the flap 12 is known by the distance between the displacement sensor and the flap 12. A radar detector may also be used to detect the distance from flap 12 to thereby know the degree of opening of flap 12. It will be appreciated that a signal receiver is required to be connected to the displacement sensor or radar detector for receiving the signal from the displacement sensor or radar detector and thus knowing the degree of opening of the flap 12.

In order to realize control of the rotation shaft 8 outside the device, the rotation shaft 8 may be connected to a driver, the driver may be connected to a controller, and the controller may control the driver to further control the rotation shaft 8 to further realize control of opening and closing of the flap 12. The controller can be a PLC control panel integrated on the device, the working state of the rotating shaft 8 is controlled through the PLC control panel, and meanwhile, the PLC control panel can be connected with a pneumatic device and a compressed air valve to automatically control the work of the pneumatic device and the compressed air valve. The control of the pneumatic devices and valves by the PLC control panel is of prior art and will not be described here. The specific model of the PLC control panel is not limited herein, and a suitable type may be selected according to actual circumstances. The controller can also be controlled by a remote controller. Control of the rotation axis 8 can also be achieved by means of a remote control adapted to the drive.

As shown in fig. 1, the collecting assembly is disposed at the tail end of the branch pipe 20, the collecting assembly comprises a collecting box, the collecting box comprises a collecting box inner box 9 and a collecting box outer shell 14, the collecting box inner box 9 is communicated with the branch pipe 20, an outward opening door is formed in the collecting box outer shell 20, a handle is disposed on the outward opening door, and the collecting box inner box 9 can be pulled out of the collecting box outer shell 20 through the handle and the outward opening door. The collecting box is provided with a filter 10, the filter 10 is used for adsorbing magnetic foreign matters floating in the collecting box 9, and meanwhile, the internal pressure of the branch pipe 20 is balanced, the magnetic foreign matters are prevented from flowing back, and the magnetic foreign matters enter the discharging pipe 19.

Preferably, the inner ring of the turning plate 12 is made of 304 stainless steel, and zirconia ceramics are sprayed on the surface of the inner ring;

the blanking pipe 19 is made of 304 stainless steel and is lined with ceramic;

the inner shell 15 of the iron remover and the magnetic rod sleeve 3 are made of 304 stainless steel, and zirconia ceramics are sprayed outside the iron remover;

the bin is made of 304 stainless steel, and zirconia ceramics are sprayed inside the bin;

the iron remover shell 1 is made of PPH material, and a handle is arranged on the outward opening door;

the first air blowing port 4, the second air blowing port 5 and the third air blowing port 6 are all made of 304 stainless steel;

the baffle 7 is made of 304 stainless steel, and ceramic is sprayed outside;

the magnetic rod adopts a permanent strong magnetic rod with the permanent strength of more than 12000 GS;

the collecting box inner box 9 is made of PPH material;

the bin 18 is made of 304 stainless steel materials, and zirconia ceramics are sprayed inside the bin.

In this embodiment, detachable screws are disposed around the outer periphery of the inner casing 15 of the iron remover, so as to facilitate the detachment of the inner casing 15 of the iron remover. An iron remover protective cover formed by the inner shell 15 of the iron remover. The first air blowing port 4 is arranged on the outer surface of the stainless steel inner shell of the iron remover outer shell 1, and the pipe orifice is led into the iron remover inner shell 15.

The working principle of the utility model is as follows: after the device is reformed in the mode, materials enter the inner shell 15 of the iron remover from the feed inlet through the feed inlet flange 2, the turning plate 12 is opened upwards at the moment, the silica gel rings 17 around the turning plate 12 are clung to the pipe wall of the blanking pipe 19, and the first protection is realized to prevent the materials from entering the branch pipe 20; the upper baffle 7 blocks the contact part of the silica gel ring 17 and the pipeline, and materials flow through the outer surface of the baffle 7, so that the contact between the materials and gaps is reduced, and the second protection is realized; the magnetic rod is inserted into the magnetic rod sleeve 3, and the materials are directly discharged into the blanking pipe 19 at the lower part after passing through the iron remover; when the magnetic material, namely the magnetic foreign matter, passes through the iron remover, the magnetic material is adsorbed on the magnetic rod sleeve 3. When a certain amount of magnetic foreign matters accumulate, the turning plate 12 is downwards opened through the controller, the pneumatic device is started to remove the magnetic rods from the magnetic rod sleeve 3, then the first air blowing port 4 is started, residual magnetic foreign matters on the magnetic rod sleeve 3 are blown down, then the second air blowing port 5 on the storage bin 18 is started, the stacked and residual magnetic foreign matters in the storage bin 18 are blown to the blanking pipe 19, finally the third air blowing port 6 is opened, the third air blowing port 6 has two directions, one surface faces the upper baffle 7, the other surface faces the turning plate 12, the magnetic foreign matters are ensured to be blown out without dead angles, and the magnetic foreign matters cannot leak downwards. Finally, the magnetic foreign matters enter the collecting box inner box 9 of the collecting box through the branch pipe 20, and the collecting box inner box 9 is manually discharged out of the device; because the iron remover shell 1 and the collecting box inner box 9 are made of PPH materials, no new pollution source is introduced, and no particles enter the production site in the use process. The existence of the baffle 7 ensures that no material leakage occurs, the existence of the multi-stage air blowing port is arranged, no magnetic foreign matter residues are ensured, and the magnetic substances in the product are well controlled.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any changes or substitutions within the technical scope of the present utility model should be covered by the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a powder deironing discharge apparatus which characterized in that:

comprises an iron removal component, a discharging component and an aggregate component;

the iron removing component removes magnetic foreign matters in powder in a magnet adsorption mode, and the powder comprises a new energy battery anode material;

the discharging component is used for discharging the powder from which the magnetic foreign matters are removed and discharging the magnetic foreign matters adsorbed by the iron removing component;

the aggregate component is used for collecting the magnetic foreign matters after the unloading is completed.

2. The powder iron removal and discharge device according to claim 1, wherein:

the iron removal assembly comprises an iron remover, the iron remover comprises an iron remover outer shell and an iron remover inner shell, an outward opening door is arranged on the iron remover outer shell, a first air blowing port is arranged above the iron remover inner shell, a feeding port is arranged at the top of the iron remover inner shell, a plurality of magnetic bars are movably arranged in the iron remover inner shell, a feed bin is communicated with the bottom of the iron remover inner shell, and a second air blowing port is arranged on the feed bin.

3. The powder iron removal and discharge device according to claim 2, wherein:

the discharging assembly comprises a discharging pipe and a branch pipe, the discharging pipe is connected with the bottom of the storage bin, a third air blowing port is formed in the discharging pipe, and a plate turnover device is arranged in the discharging pipe;

the branch pipe is communicated with the middle part of the blanking pipe, the diameter of the branch pipe is smaller than that of the blanking pipe, and the branch pipe is closed when the plate turnover device is not started, so that powder can conveniently pass through the blanking pipe; the blanking pipe is closed after the plate turnover is started, so that the magnetic foreign matters can pass through the branch pipe conveniently, and the complete unloading is realized through the third air blowing port.

4. A powder iron removal and discharge device according to claim 3, wherein:

the plate turnover device comprises a plate turnover, a rotating shaft, a baffle and an inner check ring, wherein the baffle protrudes out of the inner wall of the blanking pipe and is of a semicircular structure;

the baffle and the rotating shaft are respectively arranged above and below the opening of the branch pipe, the rotating shaft is movably connected with the turning plate, when the rotating shaft is not started, the turning plate seals the opening of the branch pipe, and the upper part of the turning plate is matched with the baffle; after the rotating shaft is started, the turning plate is opened to seal the blanking pipe, the turning plate is in contact with the inner check ring, and the upper surface of the turning plate is tangent to the bottom of the branch pipe.

5. The powder iron removal and discharge device according to claim 3 or 4, wherein:

the collecting assembly is arranged at the tail end of the branch pipe and comprises a collecting box, the collecting box comprises a collecting box inner box and a collecting box outer shell, the collecting box inner box is communicated with the branch pipe, an outward opening door is arranged on the collecting box outer shell, and a filter is arranged on the collecting box.

6. The powder deironing discharge apparatus of claim 4, wherein:

the third air blowing port is arranged opposite to the baffle, and the air blowing direction of the third air blowing port faces to the baffle and the turning plate respectively.

7. The powder iron removal and discharge device according to claim 6, wherein:

the rotary shaft is provided with a displacement sensor, the displacement sensor is used for detecting the opening angle of the turning plate, the rotary shaft is connected with a controller, and the controller is used for controlling the opening and closing of the rotary shaft.

8. The powder iron removal and discharge device according to claim 2, wherein:

the magnetic rod sleeve is arranged in the inner shell of the iron remover, the magnetic rod is arranged in the magnetic rod sleeve, the magnetic rod is connected with a pneumatic device, and the magnetic rod moves out of the magnetic rod sleeve through the pneumatic device.

9. The powder iron removal and discharge device according to claim 7, wherein:

the turning plate is designed into an oval structure, a silica gel ring is arranged on the outer ring of the turning plate, and the silica gel ring is used for increasing the sealing effect of the turning plate, the blanking pipe and the branch pipe.

10. The powder iron removal and discharge device according to claim 9, wherein:

the inner ring of the turning plate is made of 304 stainless steel, and zirconia ceramics are sprayed on the surface of the inner ring of the turning plate;

the blanking pipe is made of 304 stainless steel and is lined with ceramic;

the inner shell of the iron remover is made of 304 stainless steel, and zirconia ceramics are sprayed outside the inner shell;

the bin is made of 304 stainless steel, and zirconia ceramics are sprayed inside the bin;

the iron remover shell is made of PPH material, and handles are arranged on the outward opening doors;

the first air blowing port, the second air blowing port and the third air blowing port are all made of 304 stainless steel;

the baffle is made of 304 stainless steel, and ceramic is sprayed outside the baffle;

the magnetic rod adopts a permanent strong magnetic rod with the permanent strength of more than 12000 GS.