CN220449098U

CN220449098U - Negative pressure suction device for discharging negative electrode material

Info

Publication number: CN220449098U
Application number: CN202321663981.9U
Authority: CN
Inventors: 王萌; 张继龙; 张五
Original assignee: Gongyi Hongmeng New Materials Co ltd
Current assignee: Gongyi Hongmeng New Materials Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2024-02-06
Anticipated expiration: 2033-06-28

Abstract

The utility model discloses a negative pressure material sucking device for discharging a negative electrode material, which comprises a graphitizing furnace, a shell and a material sucking machine, wherein the shell is arranged at one side of the graphitizing furnace, and a communicating pipe is communicated between the shell and the material sucking machine; according to the utility model, a filter cover and a cylinder shell on the surface of an air return pipe are adopted to form an air return filter device of the graphitizing furnace, the suction pipe is started to draw air in the shell to form a negative pressure state, then negative electrode materials in the graphitizing furnace are sucked by the negative pressure end of the communicating pipe and introduced into the shell, at the moment, the air drawn by the suction pipe enters the cylinder shell arranged on the air return pipe and sequentially passes through a first filter disc with the inner pore diameter of the filter cylinder decreasing from left to right, the cleanliness of the air in the air return pipe is maintained, the air is introduced into the graphitizing furnace by the air return pipe, the filter cover is arranged at the joint of the shell and the suction pipe, the graphitizing furnace is kept in a positive pressure environment, and compared with the existing negative pressure suction device, impurities or dust gas are maximally prevented from entering the graphitizing furnace.

Description

Negative pressure suction device for discharging negative electrode material

Technical Field

The utility model relates to the technical field of material sucking devices, in particular to a negative pressure material sucking device for discharging negative electrode materials.

Background

The lithium ion battery cathode material plays a vital role in improving the performance of the lithium ion battery. Currently, a commercial lithium ion battery widely adopts a carbon negative electrode material. The graphite anode material has the advantages of wide sources, stable performance, energy conservation, environmental protection and the like, and becomes a main type of carbon anode material. The production process of the graphite negative electrode material comprises material selection, spheroidization, cladding, carbonization and graphitization, and graphitization is an important procedure in the production process of the artificial graphite negative electrode material.

Among the prior art, patent number CN211233918U discloses a dustproof material equipment of inhaling of negative pole material graphitizing furnace ejection of compact, include graphitizing furnace body and the casing of setting in graphitizing furnace body one side, be equipped with the negative pressure chamber in the casing, first filter screen of fixedly connected with and second filter screen in proper order from a left side to the right side in the negative pressure chamber, first filter screen, second filter screen and negative pressure chamber form two filter chambers jointly, the hopper-shaped groove that gathers materials has been seted up to the interior bottom of filter chamber, the ooff valve has been installed to the interior bottom of collection groove, the discharge gate of graphitizing furnace body is connected with first material pipe of inhaling. According to the utility model, the suction machine sequentially passes through the second suction pipe and the first suction pipe to enable the negative pressure chamber to form a negative pressure environment, and the pumped air is returned into the graphitization furnace body through the air return pipe to maintain the positive pressure environment inside the graphitization furnace, so that the condition that the external air enters the graphitization furnace body wantonly to influence the production quality of materials is avoided.

In the above-mentioned scheme, through the muffler with the air reflux that draws to the graphitization stove originally internally, maintain the inside malleation environment of graphitization stove, avoid outside air to wantonly get into the graphitization stove originally internally, influence the production quality of material, but because the casing is through the intermittent type ejection of compact that opens and shuts of solenoid valve, casing and external environment are the intercommunication state, and its inside air probably contains dust and impurity under the casing initial condition, leads to the air that the muffler was taken out probably to have impurity and dust to there is the hidden danger that graphitization stove inside negative pole material received the pollution.

Therefore, the negative pressure suction device for discharging the negative electrode material has the advantage of preventing the negative electrode material from being polluted, and further solves the problems in the background technology.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a negative pressure suction device for discharging a negative electrode material.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: negative pressure material device that inhales for ejection of compact of negative pole material, including graphitization stove, casing and inhale the material machine, graphitization stove one side sets up the casing, and the intercommunication has communicating pipe between casing and the material machine that inhales, communicating pipe is corresponding with the discharge gate of graphitization stove, first filter and second filter are installed in proper order to the casing inside from a left side to the right side, and the bottom of casing corresponds first filter and second filter and is provided with two discharge channels, two the solenoid valve is all installed to the bottom of discharge channel, a plurality of second filter discs are all embedded to the surface of first filter and second filter, casing one side is provided with the material machine that inhales, and inhales the top surface of material machine and set up the material pipe, the top surface intercommunication of material pipe and casing, the side intercommunication of material machine has the muffler, and the upper end intercommunication of muffler with graphitization stove, the surface flange connection of muffler has the shell, and the shell upper portion surface articulates through the hinge has the apron, two seal rings are installed to the embedding in the shell, and the activity is provided with a section of thick bamboo between two seal rings, a plurality of filter discs are installed to the inside fixed bore diameter of a plurality of filter discs, and a plurality of filter discs are reduced to the filter discs are connected to a left side filter disc and a plurality of filter discs are welded in proper order.

As a further description of the above technical solution: the shell is characterized in that a motor is fixedly arranged on the outer wall surface of the shell through bolts, a shaft rod is fixedly connected to the output end of the motor, the shaft rod is connected with the first filter plate and the second filter plate through bearings respectively, two groups of scraping strips are fixedly connected to the surfaces of the shaft rod corresponding to the first filter plate and the second filter plate, the scraping strips are in contact with the surfaces of the second filter plates, and a plurality of second filter plates on the surfaces of the first filter plate and the second filter plates are distributed in an annular array.

As a further description of the above technical solution: the aperture of the second filter disc of the first filter plate is larger than that of the second filter disc of the second filter plate, and the first filter plate and the second filter plate correspond to the discharging channels of the two cone structures.

As a further description of the above technical solution: the surface welding fixed ear of circular arc apron, and the surface of fixed ear passes through plum blossom knob and the outer wall threaded connection of shell.

As a further description of the above technical solution: the two sides of the cylinder shell are welded with supports with L-shaped sections, and the supports are welded with the top surface of the shell.

As a further description of the above technical solution: the surface of the air return pipe is provided with a one-way valve, and the joint of the air return pipe and the cylinder shell is provided with a flange plate.

The utility model has the following beneficial effects:

according to the utility model, a filter cover and a cylinder shell on the surface of an air return pipe are adopted to form an air return filter device of the graphitizing furnace, the suction pipe is started to draw air in the shell to form a negative pressure state, then negative electrode materials in the graphitizing furnace are sucked by a negative pressure end of a communicating pipe and introduced into the shell, at the moment, the air drawn by the suction pipe enters the cylinder shell arranged on the air return pipe and sequentially passes through a first filter disc with the inner pore diameter of the filter cylinder being sequentially reduced from left to right, the cleanliness of the air in the air return pipe is kept, the air is introduced into the graphitizing furnace by the air return pipe, and the filter cover is arranged at the position where the shell is matched with the suction pipe, so that the interior of the graphitizing furnace is kept in a positive pressure environment, compared with the existing negative pressure suction device, impurities or dust-containing gas is prevented from entering the graphitizing furnace to the maximum, and the production quality of materials is improved;

according to the utility model, the motor, the shaft rod and the scraping strips are adopted to form the cleaning mechanism of the first filter plate and the second filter plate, the motor is fixedly arranged on the outer wall surface of the starting shell, so that the output end of the motor drives the shaft rod to rotate, and the shaft rod drives the two scraping strips attached to the first filter plate and the second filter plate on the surfaces to rotate in the rotating process, so that the scraping strips clean the second filter plate with the surfaces of the first filter plate and the second filter plate in annular array arrangement.

Drawings

FIG. 1 is a schematic structural view of a negative pressure suction device for discharging a negative electrode material;

FIG. 2 is a schematic diagram of the internal structure of a cylinder shell of the negative pressure suction device for discharging negative electrode materials;

fig. 3 is a schematic diagram of a first filter plate structure of the negative pressure suction device for discharging negative electrode materials.

Legend description:

1. a graphitizing furnace; 2. a suction machine; 3. a housing; 4. a suction pipe; 5. an air return pipe; 6. a cartridge housing; 7. a circular arc cover plate; 8. a first filter plate; 9. a second filter plate; 10. a shaft lever; 11. a motor; 12. a filter cover; 13. a communicating pipe; 14. a discharge channel; 15. an electromagnetic valve; 16. a seal ring; 17. a filter cartridge; 18. a first filter tray; 19. scraping the strip; 20. a second filter tray.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

According to the embodiment of the utility model, a negative pressure suction device for discharging a negative electrode material is provided.

The utility model will be further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-3, a negative pressure suction device for discharging negative electrode materials according to embodiments of the utility model comprises a graphitizing furnace 1, a shell 3 and a suction machine 2, wherein one side of the graphitizing furnace 1 is provided with the shell 3, a communicating pipe 13 is communicated between the shell 3 and the suction machine 2, the communicating pipe 13 corresponds to a discharge hole of the graphitizing furnace 1, a first filter plate 8 and a second filter plate 9 are sequentially arranged in the shell 3 from left to right, two discharge channels 14 are arranged at the bottom of the shell 3 corresponding to the first filter plate 8 and the second filter plate 9, electromagnetic valves 15 are respectively arranged at the bottoms of the two discharge channels 14, a plurality of second filter discs 20 are respectively embedded and arranged on the surfaces of the first filter plate 8 and the second filter plate 9, one side of the shell 3 is provided with the suction machine 2, and a suction pipe 4 is arranged on the top surface of the suction machine 2, the suction pipe 4 is communicated with the top surface of the shell 3, the side surface of the suction machine 2 is communicated with an air return pipe 5, the air return pipe 5 is communicated with the upper end of the graphitizing furnace 1, the surface flange of the air return pipe 5 is connected with a cylinder shell 6, the upper surface of the cylinder shell 6 is hinged with an arc cover plate 7 through a hinge, two sealing rings 16 are embedded and installed in the cylinder shell 6, a filter cylinder 17 is movably arranged between the two sealing rings 16, a plurality of first filter discs 18 are fixedly installed in the filter cylinder 17, the apertures of the plurality of first filter discs 18 are sequentially reduced from left to right, the filter cover 12 is welded at the communication position of the shell 3 and the suction pipe 4, the suction machine 2 is started to enable the suction pipe 4 to draw air in the shell 3 to form a negative pressure state, then negative pressure ends of the communicating pipes 13 draw negative electrode materials in the graphitizing furnace 1 to be led into the shell 3, and filtered by the first filter plates 8 and the second filter plates 9, the negative electrode materials with different specifications fall into the two discharging channels 14, at the moment, air extracted by the material sucking machine 2 enters the cylinder shell 6 arranged on the air return pipe 5 and sequentially passes through the first filter disc 18 with the inner hole diameter reduced from left to right in the filter cylinder 17, the cleanliness of the air in the air return pipe 5 is kept, the air is introduced into the graphitizing furnace 1 through the air return pipe 5, the graphitizing furnace 1 is kept in a positive pressure environment, the filter cover 12 is arranged at the communication part of the shell 3 and the material sucking pipe 4, dust-containing impurities in the shell 3 can be prevented from entering the graphitizing furnace 1, one end of the filter cylinder 17 is in an open structure, the first filter disc 18 with the smallest hole diameter is arranged at the other end of the filter cylinder 17, the material sucking machine 2, the motor 11 and the electromagnetic valve 15 are used, the structure and functions of the graphitizing furnace are not improved, the setting mode, the mounting mode and the electrical connection mode of the graphitizing furnace 1 are required by a person in the field, the operation is carried out according to the requirements of the use specification, the motor 2 and the electromagnetic valve 11 are not repeated, the control and the electromagnetic valve 15 are controlled by the person can be controlled according to the actual requirements;

in one embodiment, the outer wall surface of the shell 3 is fixedly provided with a motor 11 through bolts, the output end of the motor 11 is fixedly connected with a shaft rod 10, the shaft rod 10 is respectively connected with the first filter plate 8 and the second filter plate 9 through bearings, the surface of the shaft rod 10 is fixedly connected with two groups of scraping strips 19 corresponding to the first filter plate 8 and the second filter plate 9, the scraping strips 19 are in contact with the surface of the second filter plate 20, the plurality of second filter plates 20 on the surface of the first filter plate 8 and the surface of the second filter plate 9 are all distributed in an annular array, the motor 11 is fixedly arranged on the outer wall surface of the shell 3 through starting, the output end of the motor 11 is driven to drive the shaft rod 10 to rotate, and then the shaft rod 10 drives the two groups of scraping strips 19 attached to the first filter plate 8 and the second filter plate 9 in the rotating process, so that the scraping strips 19 clean the surfaces of the first filter plate 8 and the second filter plate 9 in an annular array, and in order to keep the cleaning effect of the scraping strips 19, the scraping strips 19 are positioned on one surface of the first filter plate 8 and the second filter plate 9 facing the discharge channel 14.

In one embodiment, the aperture of the second filter disc 20 of the first filter plate 8 is larger than that of the second filter disc 20 of the second filter plate 9, and the first filter plate 8 and the second filter plate 9 correspond to the discharge channels 14 with two cone structures, and the anode materials can be screened through the different apertures of the second filter discs 20 of the first filter plate 8 and the second filter plate 9, so that the functionality is strong.

In one embodiment, the surface of the circular arc cover plate 7 is welded with a fixing lug, the surface of the fixing lug is in threaded connection with the outer wall of the cartridge shell 6 through a plum blossom knob, and the fixing lug and the plum blossom knob are used for locking the circular arc cover plate 7, so that the sealing of the cartridge shell 6 is facilitated, and the filter cartridge 17 is conveniently taken out and cleaned.

In one embodiment, the two sides of the cartridge housing 6 are welded with a support having an L-shaped cross section, and the support is welded with the top surface of the housing 3, and the support of the cartridge housing 6 is facilitated by the L-shaped support.

In one embodiment, the surface mounting of the muffler 5 is provided with a one-way valve, and the joint of the muffler 5 and the cylinder shell 6 is provided with a flange, so that the backflow of gas in the graphitizing furnace 1 can be stopped through the one-way valve, and the normal operation of the suction machine 2 is ensured.

Working principle:

when in use, the suction pipe 4 is driven to suck air in the shell 3 to form a negative pressure state by starting the suction machine 2, then the negative pressure end of the communicating pipe 13 sucks negative electrode materials in the graphitizing furnace 1 to be introduced into the shell 3, the negative electrode materials with different specifications fall into the two discharging channels 14 after being filtered by the first filter plate 8 and the second filter plate 9, at the moment, the air sucked by the suction machine 2 enters the cylinder shell 6 arranged on the air return pipe 5 and sequentially passes through the first filter disc 18 with the diameters sequentially reduced from left to right in the filter cylinder 17, the cleanliness of the air in the air return pipe 5 is kept, the negative electrode materials are introduced into the graphitizing furnace 1 by the air return pipe 5, the inside of the graphitizing furnace 1 is kept in a positive pressure environment, the casing 3 sets up filter mantle 12 with inhale material 4 intercommunication department and can filter the in-process of extracting of material machine 2, prevent that the inside dust-laden impurity of casing 3 from getting into graphitization stove 1, through start-up casing 3 outer wall surface fixed mounting has motor 11, make motor 11 output drive axostylus axostyle 10 rotate, and then axostylus axostyle 10 is rotatory at two sets of scraping strip 19 that rotate that its surface is attached to first filter 8 and second filter 9, make scraping strip 19 clean first filter 8 and second filter 9 surface and be the second filter disk 20 that the annular array was arranged, then intermittent type nature starts the solenoid valve 15 of discharge channel 14 bottom installation, make negative pole material by casing 3 discharge can.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Negative pressure suction device for negative electrode material ejection of compact, including graphitization stove (1), casing (3) and inhale material machine (2), its characterized in that: the utility model discloses a graphitizing furnace, including graphitizing furnace (1), casing (3), communicating pipe (13) are set up in one side of graphitizing furnace (1), and communicate between casing (3) and the material sucking machine (2), communicating pipe (13) are corresponding with the discharge gate of graphitizing furnace (1), first filter (8) and second filter (9) are installed in proper order from left to right to inside of casing (3), and the bottom of casing (3) corresponds first filter (8) and second filter (9) and is provided with two discharge channels (14), two solenoid valve (15) are all installed to the bottom of discharge channel (14), the surface of first filter (8) and second filter (9) is all embedded to install a plurality of second filter discs (20), casing (3) one side is provided with material sucking machine (2), and the top surface of material sucking machine (2) sets up material sucking pipe (4), the top surface intercommunication of material sucking machine (2) has muffler (5), and muffler (5) and graphitizing furnace (1) are all installed to the bottom of discharge channel (14), and seal ring (6) are connected through hinge (6) on the surface of the top of casing (3) and seal ring (6), and a filter cylinder (17) is movably arranged between the two sealing rings (16), a plurality of first filter discs (18) are fixedly arranged in the filter cylinder (17), the pore diameters of the first filter discs (18) are sequentially reduced from left to right, and a filter cover (12) is welded at the communication position of the shell (3) and the suction pipe (4).

2. The negative pressure suction device for discharging a negative electrode material according to claim 1, wherein: the utility model discloses a filter, including casing (3), motor (11), first filter (8) and second filter (9) are all arranged in annular array, motor (11) are installed through bolt fixed to casing (3) outer wall, and motor (11) output fixedly connected with axostylus axostyle (10), axostylus axostyle (10) link to each other with first filter (8) and second filter (9) respectively through the bearing, and the surface of axostylus axostyle (10) corresponds two sets of scrapes strip (19) of first filter (8) and second filter (9) fixedly connected with, scrape strip (19) and second filter (20) surface contact, a plurality of second filter (20) on first filter (8) and second filter (9) surface all are annular array and arrange.

3. The negative pressure suction device for discharging a negative electrode material according to claim 1, wherein: the aperture of a second filter disc (20) of the first filter plate (8) is larger than that of a second filter disc (20) of the second filter plate (9), and the first filter plate (8) and the second filter plate (9) correspond to the discharge channels (14) of the two cone structures.

4. The negative pressure suction device for discharging a negative electrode material according to claim 1, wherein: the surface of the arc cover plate (7) is welded with a fixed lug, and the surface of the fixed lug is in threaded connection with the outer wall of the cylinder shell (6) through a plum blossom knob.

5. The negative pressure suction device for discharging a negative electrode material according to claim 1, wherein: the two sides of the cylinder shell (6) are welded with supports with L-shaped sections, and the supports are welded with the top surface of the shell (3).

6. The negative pressure suction device for discharging a negative electrode material according to claim 1, wherein: the surface of the air return pipe (5) is provided with a one-way valve, and a flange plate is arranged at the joint of the air return pipe (5) and the cylinder shell (6).