CN214389251U - Top cover assembly for lithium battery pneumatic conveying feeder - Google Patents

Top cover assembly for lithium battery pneumatic conveying feeder Download PDF

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Publication number
CN214389251U
CN214389251U CN202022832243.5U CN202022832243U CN214389251U CN 214389251 U CN214389251 U CN 214389251U CN 202022832243 U CN202022832243 U CN 202022832243U CN 214389251 U CN214389251 U CN 214389251U
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CN
China
Prior art keywords
top cover
blowing
cover body
pipe
main pipe
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Expired - Fee Related
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CN202022832243.5U
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Chinese (zh)
Inventor
金管宏
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Wuxi Linghong Hvac Machinery Co ltd
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Wuxi Linghong Hvac Machinery Co ltd
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Priority to CN202022832243.5U priority Critical patent/CN214389251U/en
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Publication of CN214389251U publication Critical patent/CN214389251U/en
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Abstract

The utility model relates to the field of lithium battery pneumatic transmission, in particular to a top cover component for a lithium battery pneumatic transmission feeder, which comprises a top cover body, a gas outlet component and a plurality of blowing pipelines; the top cover body is horizontally arranged, and the air outlet assembly is communicated with the inner cavity of the top cover body; each blowing pipeline comprises a blowing main pipe and a plurality of blowing branch pipes; the blowing branch pipes are vertically arranged, and the blowing main pipe is respectively communicated with the plurality of blowing branch pipes; the first end of the blowing main pipe is provided with a first sealing piece, and the second end of the blowing main pipe horizontally penetrates through the side wall of the top cover body and extends out of the top cover body; the free end of the injection branch pipe is provided with a second sealing element; the pipe body of the blowing branch pipe is provided with a plurality of blowing holes. The utility model discloses an it is integrated to set up a plurality of jetting pipelines, utilizes the jetting pipeline to realize the clear stifled and regeneration treatment of online to every row of filter core, has saved the time of filter core regeneration.

Description

Top cover assembly for lithium battery pneumatic conveying feeder
Technical Field
The utility model relates to a lithium electricity pneumatic transmission field especially relates to a top cap subassembly that is used for lithium electricity pneumatic transmission to go up glassware.
Background
As new energy projects become more and more attractive, the capacity demand of the lithium battery industry is larger and larger, and the well-spraying type development is about to come. Most lithium battery materials are micron-sized powder materials, and because the particle size of the lithium battery materials is very small, dust is easily formed, the production environment of the lithium battery materials is extremely severe, the material conveying is very difficult, and the original and rough production mode can not adapt to the upgrading of the current lithium battery industry more and more. The pneumatic transmission technology of the lithium battery enables the automatic production of lithium battery materials and the assumption of unmanned workshops to become possible, and organically combines various production procedures like a highway in production. In the lithium electric pneumatic conveying equipment, the feeder for the lithium electric pneumatic conveying is a key equipment.
In the prior art, a feeder for lithium battery pneumatic transmission generally comprises a cylinder, a top cover and a filter element; the top cap and the barrel form a relatively sealed cavity, the filter element is arranged in the cavity, and the bottom of the barrel and the top of the top cap are respectively provided with an inlet and an outlet. Adopt what above-mentioned structure be used for lithium electricity pneumatic transport loading ware can influence airflow flux after filter core resistance increases to a certain extent, can only stop carrying lithium cell material's air current (dusty air current) input this moment, then open the top cap, take out the filter core from the barrel, then wash or change new filter core at the filter core. The filter element has complicated maintenance steps and long time required by maintenance, and the smooth development of subsequent conveying procedures is seriously influenced.
SUMMERY OF THE UTILITY MODEL
In the prior art, a feeder for lithium battery pneumatic transmission generally comprises a cylinder, a top cover and a filter element; the top cap and the barrel form a relatively sealed cavity, the filter element is arranged in the cavity, and the bottom of the barrel and the top of the top cap are respectively provided with an inlet and an outlet. Adopt what above-mentioned structure be used for lithium electricity pneumatic transport loading ware can influence airflow flux after filter core resistance increases to a certain extent, can only stop carrying lithium cell material's air current (dusty air current) input this moment, then open the top cap, take out the filter core from the barrel, then wash or change new filter core at the filter core. The filter element has complicated maintenance steps and long time required by maintenance, and the smooth development of subsequent conveying procedures is seriously influenced.
To the above technical problem, the utility model provides a technical scheme does:
the utility model provides a top cover component for a lithium battery pneumatic conveying feeder, which comprises a top cover body, a gas outlet component and a plurality of blowing pipelines; the top cover body is horizontally arranged and is a cuboid shell with an opening at the bottom end; the air outlet assembly is fixedly arranged on the outer side wall of the top cover body and is communicated with the inner cavity of the top cover body; each blowing pipeline comprises a blowing main pipe and a plurality of blowing branch pipes; the blowing main pipe is horizontally arranged, the blowing branch pipes are vertically arranged, and the blowing main pipe is respectively communicated with the plurality of blowing branch pipes; the joints of all the blowing branch pipes and the blowing main pipe are positioned in the inner cavity of the top cover body; a first sealing piece is arranged at the first end of the blowing main pipe, and the second end of the blowing main pipe horizontally penetrates through the side wall of the top cover body and extends out of the top cover body; the free end of the blowing branch pipe is provided with a second sealing element; the pipe body of the blowing branch pipe is provided with a plurality of blowing holes; all the blowing pipelines are arranged side by side.
Further, the first sealing element is a blowing main pipe closing plate.
Further, the second sealing element is a blowing branch pipe closing plate.
Further, a rectangular flange ring is arranged at the bottom of the top cover body; the central through hole of the rectangular flange ring is matched with the bottom opening of the top cover body; a plurality of vertical bolt holes are formed in the rectangular flange ring.
Furthermore, a plurality of second top cover rib plates are fixedly welded between the top cover body and the rectangular flange ring; the second top cover rib plate is vertically arranged; the second top cover rib plate is arranged on the outer side wall of one side of the long edge of the top cover body.
Further, the air outlet assembly comprises an air outlet straight pipe and an air outlet flange; the gas outlet straight pipe is welded and fixed on the outer side wall of the top cover body and is communicated with the inner cavity of the top cover body; the air outlet flange is fixedly arranged at the free end of the air outlet straight pipe and is matched with the pipe orifice of the air outlet straight pipe; and a plurality of horizontal bolt holes are formed in the gas outlet flange.
Furthermore, a blowing pipe fixing plate is also arranged in the top cover body; the blowing pipe fixing plate is vertically arranged, and the plate surface of the blowing pipe fixing plate is perpendicular to the extending direction of the blowing main pipe; the top and the side of the blowing pipe fixing plate are welded and fixed with the inner wall of the top cover body; and the pipe body part of all the blowing main pipes is clamped and fixed with the blowing pipe fixing plate.
Furthermore, all the blowing pipelines are arranged in parallel at equal intervals; a plurality of bayonets are arranged on the blowing pipe fixing plate; all the bayonets are arranged at equal intervals; the bayonets correspond to the blowing main pipes one by one; the pipe body part passing through the blowing main pipe is clamped and fixed with the bayonet.
Further, the top cover assembly for the lithium battery pneumatic conveying feeder also comprises two air bag connecting plates; the fixed end of the air bag connecting plate is welded and fixed on the outer wall of the top cover body, and the air bag connecting plate and the second end of the blowing main pipe are positioned on the same side surface of the top cover body; a plurality of waist-shaped holes are formed in the free end of the air bag connecting plate; and the second ends of all the blowing main pipes are positioned between the two air bag connecting plates.
Furthermore, a first top cover rib plate is fixedly welded in the middle of the top surface of the top cover body; the first top cover rib plate is arranged along the length direction of the top cover body, the first top cover rib plate is vertically arranged, and the top end of the first top cover rib plate extends upwards to form a protruding part; the center of the bulge is provided with a horizontal through hole.
The utility model has the advantages of or beneficial effect:
the utility model provides a top cap subassembly that is used for glassware in lithium electricity pneumatic transport, through integrated a plurality of jetting pipelines that set up, utilize the jetting pipeline to realize the clear stifled and regeneration treatment of online of every row of filter core, compare and need dismantle earlier the filter core in prior art, then wash or change the filter core respectively, then at the installation filter core, the technical scheme who closes the top cap compares, has simplified the maintenance step of filter core, has saved the time of filter core regeneration. The on-line blockage removal and regeneration treatment of each row of filter elements through the high-pressure air can also realize the on-line recovery of the lithium battery material, thereby reducing the loss of the lithium battery material in the conveying process and avoiding the environmental pollution caused by the leakage of the in-process raise dust of the opening top cover body.
Drawings
The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a front view of a cap assembly for a lithium electrical pneumatic transport loader provided by an embodiment;
FIG. 2 is a side view of a cap assembly for a lithium electrical pneumatic transport loader provided in accordance with an embodiment;
fig. 3 is a top view of a cap assembly for a lithium electrical pneumatic transport loader according to an embodiment.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientation or positional relationship is based on that shown in the drawings, merely for convenience in describing the invention and simplifying the description, and does not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
In the prior art, a feeder for lithium battery pneumatic transmission generally comprises a cylinder, a top cover and a filter element; the top cap and the barrel form a relatively sealed cavity, the filter element is arranged in the cavity, and the bottom of the barrel and the top of the top cap are respectively provided with an inlet and an outlet. Adopt what above-mentioned structure be used for lithium electricity pneumatic transport loading ware can influence airflow flux after filter core resistance increases to a certain extent, can only stop carrying lithium cell material's air current (dusty air current) input this moment, then open the top cap, take out the filter core from the barrel, then wash or change new filter core at the filter core. The filter element has complicated maintenance steps and long time required by maintenance, and the smooth development of subsequent conveying procedures is seriously influenced.
In view of the above technical problems, embodiment 1 provides a top cover assembly 01 for a lithium electrical pneumatic conveying feeder, as shown in fig. 1-3, including a top cover body 1, an air outlet assembly 2, and a plurality of blowing pipes 3; the top cover body 1 is horizontally arranged, and the top cover body 1 is a cuboid shell with an opening at the bottom end; the air outlet assembly 2 is fixedly arranged on the outer side wall of the top cover body 1, and the air outlet assembly 2 is communicated with the inner cavity of the top cover body 1; each blowing pipeline 3 comprises a blowing main pipe 30 and a plurality of blowing branch pipes 31; the main blowing pipe 30 is horizontally arranged, the blowing branch pipes 31 are vertically arranged, and the main blowing pipe 30 is respectively communicated with the plurality of blowing branch pipes 31; the joints of all the blowing branch pipes 31 and the blowing main pipe 30 are positioned in the inner cavity of the top cover body 1; a first sealing element 300 is arranged at the first end of the blowing main pipe 30, and the second end of the blowing main pipe 30 horizontally penetrates through the side wall of the top cover body 1 and extends out of the top cover body 1; the free ends of the blowing legs 31 are provided with second seals 310; the pipe body of the blowing branch pipe 31 is provided with a plurality of blowing holes 311; all blowing lines 3 are arranged side by side.
The mounting method of the top cover assembly 01 for the lithium electric pneumatic conveying feeder provided by the embodiment 1 is as follows: the bottom opening of the top cover body 1 is used for being butted and sealed with the top opening of the cylinder body, and the cylinder body is internally provided with filter element arrays which are arranged in a rectangular shape; the blowing branch pipes 31 are arranged in one-to-one correspondence with the filter elements, and the blowing branch pipes 31 extend into the cavities of the filter elements. As shown in fig. 3, all the blowing pipes 3 are arranged side by side, and each blowing main pipe 30 has a row of filter elements.
Along with the extension that is used for lithium electricity pneumatic transport glassware's live time, the filter core resistance crescent, can influence the size of air flow flux after the filter core resistance increases to the certain degree, need clear stifled and regeneration process to the filter core this moment. The specific steps of the blockage clearing and regeneration treatment by adopting the top cover assembly 01 for the lithium battery pneumatic conveying feeder provided by the embodiment 1 are as follows: firstly, the input of the dust-containing gas of the cylinder is stopped, and then the pulse valve drives the air bag to inject high-pressure air into the blowing pipeline 3. In the blowing pipeline 3, high-pressure air flow firstly passes through the blowing main pipe 30, then is input into the multi-way blowing branch pipes 31 connected in parallel from the blowing main pipe 30, and finally is sprayed out from the blowing holes 311, so that blockage removal and regeneration treatment are carried out on the corresponding filter element.
The working principle of cleaning and regenerating the filter element by utilizing high-pressure air is as follows: the high pressure air passes through the filter element in a counter-flow manner from top to bottom, i.e., the high pressure air passes from the post-filter chamber through the filter element to the pre-filter chamber. The resistance of the filter element is caused by the fact that lithium battery material powder forms a compact filter cake structure on the surface of the filter element on one side of the pre-filtering cavity. Therefore, the filter element is washed by the high-pressure air in a counter-flow manner, and the lithium battery material powder is promoted to be separated from the surface of the filter element by the strong impact force of the high-pressure air, so that the resistance of the filter element is reduced.
By providing the first sealing member 300 and the second sealing member 310, the sealing tightness of the blowing pipe 3 is increased, thereby ensuring that all of the high-pressure gas is blown out through the corresponding blowing holes 311. By uniformly distributing the blowing holes 311, the effects of cleaning and regenerating the filter element can be further optimized.
Embodiment 1 provides a top cap subassembly 01 for lithium electricity pneumatic transmission loading ware, sets up a plurality of jetting pipelines 3 through the integration, utilizes jetting pipeline 3 to realize the clear stifled and regeneration treatment of online of every row of filter core, compares and need first dismantle out the filter core among the prior art, then washs or changes the filter core respectively, then at the installation filter core, the technical scheme of closing the top cap compares, has simplified the maintenance step of filter core, has saved the time of filter core regeneration. The on-line blockage removal and regeneration treatment of each row of filter elements through the high-pressure air can also realize the on-line recovery of the lithium battery material, thereby reducing the loss of the lithium battery material in the conveying process and avoiding the environmental pollution caused by the leakage of the in-process raise dust of the top cover body 1.
Further, as shown in fig. 1-2, the first seal 300 is a blowing main tube closure plate.
Further, as shown in fig. 1-2, the second seal 310 is a purge leg closure plate.
In order to facilitate the fixed installation of the top cover body and the cylinder, further, as shown in fig. 1-3, a rectangular flange ring 10 is arranged at the bottom of the top cover body 1; the central through hole of the rectangular flange ring 10 is matched with the bottom opening of the top cover body 1; the rectangular flange ring 10 is provided with a plurality of vertical bolt holes 100.
In order to reduce the risk of deformation or cracking of the side wall of the top cover body, further, as shown in fig. 1-3, a plurality of second top cover rib plates 11 are welded and fixed between the top cover body 1 and the rectangular flange ring 10; the second top cover rib plate 11 is vertically arranged; the second roof rib plate 11 is arranged on the outer side wall of one side of the long side of the roof body 1. The mechanical strength of the side wall of the top cover body 1 is increased by arranging the second top cover rib plate 11, the risk of deformation or cracking of the side wall of the top cover body 1 is reduced, and the pressure resistance of the top cover body 1 is optimized.
Further, as shown in fig. 1 to 3, the air outlet assembly 2 includes an air outlet straight pipe 20 and an air outlet flange 21; the gas outlet straight pipe 20 is welded and fixed on the outer side wall of the top cover body 1, and the gas outlet straight pipe 20 is communicated with the inner cavity of the top cover body 1; the air outlet flange 21 is fixedly arranged at the free end of the air outlet straight pipe 20 and is matched with the pipe orifice of the air outlet straight pipe 20; the air outlet flange 21 is provided with a plurality of horizontal bolt holes 210. By providing the air outlet flange 21, reliable installation of the air outlet assembly 2 with external piping is facilitated.
In order to realize the reliable fixation of the blowing pipeline and the top cover body, further, as shown in fig. 1-3, a blowing pipe fixing plate 12 is also arranged in the top cover body 1; the blowing pipe fixing plate 12 is vertically arranged, and the plate surface of the blowing pipe fixing plate 12 is perpendicular to the extending direction of the blowing main pipe 30; the top and the side of the blowing pipe fixing plate 12 are welded and fixed with the inner wall of the top cover body 1; the tubular body parts of all the blowing main pipes 30 are clamped and fixed with the blowing pipe fixing plate 12. The blowing pipe fixing plate 12 and the joint penetrating one side of the top cover body 1 form two-point support, so that the fixing stability of the blowing pipeline 3 is improved, and the reliable fixing of the blowing pipeline 3 and the top cover body 1 is realized.
Further, all the blowing pipelines 3 are arranged in parallel at equal intervals; a plurality of bayonets are arranged on the blowing pipe fixing plate 12; all the bayonets are arranged at equal intervals; the bayonets correspond to the blowing main pipes 30 one by one; the body part of the blowing main pipe 30 is clamped and fixed with the bayonet.
In order to facilitate the fixed connection between the top cover body and the air bag, further, as shown in fig. 1-3, the top cover assembly 01 for the lithium electric pneumatic conveying feeder further comprises two air bag connecting plates 4; the fixed end of the air bag connecting plate 4 is welded and fixed on the outer wall of the top cover body 1, and the air bag connecting plate 4 and the second end of the blowing main pipe 30 are positioned on the same side surface of the top cover body 1; a plurality of waist-shaped holes 40 are formed in the free end of the air bag connecting plate 4; the second ends of all blowing main pipes 30 are located between two air bag connecting plates 4.
In order to facilitate the opening of the top cover assembly, further, as shown in fig. 1-3, a first top cover rib plate 13 is welded and fixed in the middle of the top surface of the top cover body 1; the first roof cover rib plates 13 are arranged along the length direction of the roof cover body 1, the first roof cover rib plates 13 are vertically arranged, and the top ends of the first roof cover rib plates 13 extend upwards to form protruding parts 130; the center of the boss 130 is provided with a horizontal through-hole 1300. Through setting up horizontal through-hole 1300, the hoist and mount operation of top cap assembly of being convenient for to do benefit to opening of top cap assembly.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.

Claims (10)

1. A top cover assembly for a lithium battery pneumatic conveying feeder is characterized by comprising a top cover body, an air outlet assembly and a plurality of blowing pipelines;
the top cover body is horizontally arranged and is a cuboid shell with an opening at the bottom end; the air outlet assembly is fixedly arranged on the outer side wall of the top cover body and is communicated with the inner cavity of the top cover body;
each blowing pipeline comprises a blowing main pipe and a plurality of blowing branch pipes; the blowing main pipe is horizontally arranged, the blowing branch pipes are vertically arranged, and the blowing main pipe is respectively communicated with the plurality of blowing branch pipes; the joints of all the blowing branch pipes and the blowing main pipe are positioned in the inner cavity of the top cover body; a first sealing piece is arranged at the first end of the blowing main pipe, and the second end of the blowing main pipe horizontally penetrates through the side wall of the top cover body and extends out of the top cover body; the free end of the blowing branch pipe is provided with a second sealing element; the pipe body of the blowing branch pipe is provided with a plurality of blowing holes;
all the blowing pipelines are arranged side by side.
2. The cap assembly for a lithium electrical pneumatic transport loader of claim 1, wherein the first seal is a blow main tube closure plate.
3. The cap assembly for a lithium electrical pneumatic transport loader of claim 1, wherein the second seal is a blow branch closure plate.
4. The top cover assembly for the lithium electrical pneumatic conveying feeder according to claim 1, wherein a rectangular flange ring is arranged at the bottom of the top cover body; the central through hole of the rectangular flange ring is matched with the bottom opening of the top cover body; a plurality of vertical bolt holes are formed in the rectangular flange ring.
5. The top cover assembly for the lithium electric pneumatic conveying feeder according to claim 4, wherein a plurality of second top cover rib plates are further welded and fixed between the top cover body and the rectangular flange ring; the second top cover rib plate is vertically arranged; the second top cover rib plate is arranged on the outer side wall of one side of the long edge of the top cover body.
6. The top cover assembly for the lithium electrical pneumatic conveying feeder according to claim 1, wherein the air outlet assembly comprises an air outlet straight pipe and an air outlet flange;
the gas outlet straight pipe is welded and fixed on the outer side wall of the top cover body and is communicated with the inner cavity of the top cover body;
the air outlet flange is fixedly arranged at the free end of the air outlet straight pipe and is matched with the pipe orifice of the air outlet straight pipe; and a plurality of horizontal bolt holes are formed in the gas outlet flange.
7. The top cover assembly for the lithium electrical pneumatic conveying feeder according to claim 1, wherein a blowing pipe fixing plate is further arranged in the top cover body; the blowing pipe fixing plate is vertically arranged, and the plate surface of the blowing pipe fixing plate is perpendicular to the extending direction of the blowing main pipe; the top and the side of the blowing pipe fixing plate are welded and fixed with the inner wall of the top cover body; and the pipe body part of all the blowing main pipes is clamped and fixed with the blowing pipe fixing plate.
8. The cap assembly for a lithium electrical pneumatic transport loader of claim 7, wherein all of the blowing lines are equidistant and side-by-side;
a plurality of bayonets are arranged on the blowing pipe fixing plate; all the bayonets are arranged at equal intervals; the bayonets correspond to the blowing main pipes one by one; the pipe body part passing through the blowing main pipe is clamped and fixed with the bayonet.
9. The cap assembly for a lithium electrical pneumatic transport loader of claim 1, further comprising two air bag connection plates;
the fixed end of the air bag connecting plate is welded and fixed on the outer wall of the top cover body, and the air bag connecting plate and the second end of the blowing main pipe are positioned on the same side surface of the top cover body; a plurality of waist-shaped holes are formed in the free end of the air bag connecting plate;
and the second ends of all the blowing main pipes are positioned between the two air bag connecting plates.
10. The top cover assembly for the lithium electric pneumatic transmission feeder according to claim 1, wherein a first top cover rib plate is further welded and fixed to the middle of the top surface of the top cover body; the first top cover rib plate is arranged along the length direction of the top cover body, the first top cover rib plate is vertically arranged, and the top end of the first top cover rib plate extends upwards to form a protruding part; the center of the bulge is provided with a horizontal through hole.
CN202022832243.5U 2020-11-30 2020-11-30 Top cover assembly for lithium battery pneumatic conveying feeder Expired - Fee Related CN214389251U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022832243.5U CN214389251U (en) 2020-11-30 2020-11-30 Top cover assembly for lithium battery pneumatic conveying feeder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022832243.5U CN214389251U (en) 2020-11-30 2020-11-30 Top cover assembly for lithium battery pneumatic conveying feeder

Publications (1)

Publication Number Publication Date
CN214389251U true CN214389251U (en) 2021-10-15

Family

ID=78035831

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022832243.5U Expired - Fee Related CN214389251U (en) 2020-11-30 2020-11-30 Top cover assembly for lithium battery pneumatic conveying feeder

Country Status (1)

Country Link
CN (1) CN214389251U (en)

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Granted publication date: 20211015