CN213111553U

CN213111553U - Negative pressure feeding equipment for graphite negative electrode material of lithium battery

Info

Publication number: CN213111553U
Application number: CN202021825899.8U
Authority: CN
Inventors: 王福寿; 王海旭
Original assignee: Xinjiang Tianhongji Technology Co ltd
Current assignee: Xinjiang Tianhongji Technology Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-05-04
Anticipated expiration: 2030-08-27

Abstract

The utility model relates to a negative pressure feed technical field, specifically speaking relates to a negative pressure feeding equipment for lithium cell graphite negative electrode material. It includes storage jar and sets up at the left negative pressure feedway of storage jar, negative pressure feedway includes main feeder sleeve, main feeder sleeve with storage jar intercommunication, the storage tank top is equipped with the feed inlet, the feed inlet with storage jar intercommunication, the feed inlet is used for pouring into lithium cell graphite negative electrode material extremely in the storage jar, main feeder sleeve bottom is equipped with a plurality of branch feeder sleeves, divide the feeder sleeve with be equipped with the connecting pipe between the main feeder sleeve. The utility model discloses a connection of partial feed pipe lets main feed pipe can carry out the feed to a plurality of equipment simultaneously to improve feeding equipment work efficiency, further let output promote, in order to reach the purpose that increases economic benefits.

Description

Negative pressure feeding equipment for graphite negative electrode material of lithium battery

Technical Field

The utility model relates to a negative pressure feed technical field, specifically speaking relates to a negative pressure feeding equipment for lithium cell graphite negative electrode material.

Background

Lithium cell graphite negative pole material is powdered usually, consequently can adopt the principle of negative pressure feed when the feed, and the air current that produces through the negative pressure drives the powder and flows to realize the purpose of feed, but general feed pipeline all indicates qualitatively, can not the while feed like this can reduce the speed of feed, and then reduces the output of graphite negative pole production, makes economic benefits impaired.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a negative pressure feeding equipment for lithium cell graphite negative electrode material to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the utility model provides a negative pressure feedway for lithium battery graphite negative electrode material, including storage jar and the negative pressure feedway that sets up on the left of storage jar, negative pressure feedway includes main feed pipe, main feed pipe with the storage jar intercommunication, the storage jar top is equipped with the feed inlet, the feed inlet with the storage jar intercommunication, the feed inlet is used for injecting lithium battery graphite negative electrode material into the storage jar, main feed pipe bottom is equipped with a plurality of branch feed pipes, be equipped with the connecting pipe between branch feed pipe and the main feed pipe;

the connecting pipe comprises a connecting block, a threaded pipe is arranged at the bottom of the connecting block, the connecting block is used for communicating the threaded pipe with the main feeding pipe, an inserting pipe is arranged at the top of the sub-feeding pipe, the inserting pipe is in inserting fit with the threaded pipe, the outer wall of the inserting pipe is tightly attached to the inner wall of the threaded pipe, four corners of the bottom of the connecting block are provided with screw rods, the bottom of the inserting pipe is provided with a connecting plate, the connecting block is in inserting fit with the connecting plate, and the bottom of each screw rod is in threaded connection with a nut.

As a further improvement of the technical scheme, a sealing cover is connected to the outer part of the threaded pipe in a threaded mode.

As a further improvement of the technical scheme, a sealing seat is arranged inside the sealing cover, and a fixed sealing ring is arranged around the bottom of the sealing seat.

As a further improvement of the technical scheme, a negative pressure cavity is arranged at the bottom of the left end of the main feeding pipe, an air pump is arranged on the right side of the bottom of the negative pressure cavity, and the air pump is used for compressing air in the negative pressure cavity.

As a further improvement of the technical scheme, the top of the connecting plate is provided with a connecting sealing ring.

As a further improvement of the technical scheme, a support frame is arranged at the bottom of the storage tank, a support seat is arranged at the bottom of the negative pressure cavity, and the support frame and the support seat are located on the same horizontal plane.

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

1. this a negative pressure feeding equipment for lithium cell graphite cathode material, through dividing the connection of feed pipe, let main feed pipe can carry out the feed to a plurality of equipment simultaneously to improve feeding equipment work efficiency, further let output promote, in order to reach the purpose that increases economic benefits.

2. In this a negative pressure feeding equipment for lithium cell graphite negative electrode material, carry out double sealing through seal receptacle and fixed seal circle to the screwed pipe, avoid the lithium cell graphite negative electrode material in the main feed pipe not have the connecting pipe of equipment by the bottom to leak, cause the waste to realize the nimble purpose of using branch feed pipe.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic view of the structure of a negative pressure feeding device in example 1;

FIG. 3 is a first schematic view of a connecting tube structure according to embodiment 1;

fig. 4 is a second schematic view of the connection tube structure of embodiment 1.

The various reference numbers in the figures mean:

100. storing the tank; 110. a feed inlet; 120. a support frame; 200. a negative pressure feeding device; 210. a main feed pipe; 211. A connecting pipe; 2111. connecting blocks; 2112. a screw; 2113. a threaded pipe; 212. a separate feeding pipe; 2121. inserting a pipe; 2122. a connecting plate; 2123. a nut; 2124. connecting a sealing ring; 213. a sealing cover; 2131. a sealing seat; 2132. fixing the sealing ring; 220. a negative pressure chamber; 221. an air pump; 222. and (4) supporting the base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-4, the present invention provides a negative pressure feeding device for a graphite cathode material of a lithium battery, including a storage tank 100 and a negative pressure feeding device 200 disposed on the left side of the storage tank 100, the negative pressure feeding device 200 includes a main feeding pipe 210, the main feeding pipe 210 is communicated with the storage tank 100, a feeding port 110 is disposed on the top of the storage tank 100, the feeding port 110 is communicated with the storage tank 100, the feeding port 110 is used for injecting the graphite cathode material of the lithium battery into the storage tank 100, a plurality of sub-feeding pipes 212 are disposed on the bottom of the main feeding pipe 210, and a connecting pipe 211 is disposed between the sub-feeding pipes 212 and the main feeding pipe;

the connecting pipe 211 comprises a connecting block 2111, a threaded pipe 2113 is arranged at the bottom of the connecting block 2111, the connecting block 2111 is used for communicating the threaded pipe 2113 with the main feeding pipe 210, an inserting pipe 2121 is arranged at the top of the sub-feeding pipe 212, the inserting pipe 2121 is in inserting fit with the threaded pipe 2113, the outer wall of the inserting pipe 2121 is tightly attached to the inner wall of the threaded pipe 2113, screw rods 2112 are arranged at four corners of the bottom of the connecting block 2111, a connecting plate 2122 is arranged at the bottom of the inserting pipe 2121, the connecting block 2111 is in inserting fit with the connecting plate 2122, and a nut 2123 is in threaded.

When the sub-feeding pipes 212 are installed, please refer to fig. 3, in which the threaded pipes 2113 communicate with the main feeding pipe 210, first the through holes at the top of the connecting plates 2122 are aligned with the threaded rods 2112, the inserting pipes 2121 are inserted into the threaded pipes 2113 after the alignment, at this time, the threaded rods 2112 also pass through the through holes, then the nuts 2123 and the threaded rods 2112 are tightened, the inserting pipes 2121 and the threaded pipes 2113 are connected by screw action, and then the sub-feeding pipes 212 are fixed, so that the main feeding pipe 210 communicates with the sub-feeding pipes 212, and through the connection of the sub-feeding pipes 212, the main feeding pipe 210 can simultaneously feed a plurality of devices, thereby improving the working efficiency of the feeding device, further improving the yield, and achieving the purpose of increasing the economic benefits.

In this embodiment, the screw tube 2113 is externally screw-coupled with a sealing cap 213, and when the sub-feed tube 212 is disassembled, as shown in fig. 4, wherein, no material using equipment is arranged at the bottom of the connecting pipe 211, at this time, the internal thread of the sealing cover 213 is aligned with the external thread of the threaded pipe 2113, then the sealing cover 213 is rotated, the sealing seat 2131 is arranged in the sealing cover 213, the fixed sealing ring 2132 is arranged around the bottom of the sealing seat 2131, the sealing cover 213 is gradually moved upwards by the screwing force in the rotating process until the sealing cover cannot be moved, the fixed sealing ring 2132 is tightly attached to the bottom surface of the threaded pipe 2113, meanwhile, the sealing seat 2131 is inserted into the threaded pipe 2113, and the threaded pipe 2113 is sealed doubly through the sealing seat 2131 and the fixed sealing ring 2132, so that the waste caused by the leakage of the graphite cathode material of the lithium battery in the main feeding pipe 210 from the connecting pipe 211 without equipment at the bottom is avoided, and the purpose of flexibly using the sub-feeding pipe 212 is achieved.

Specifically, main feed pipe 210 left end bottom is equipped with negative pressure chamber 220, the right side of negative pressure chamber 220 bottom is equipped with air pump 221, air pump 221 is used for compressing the gas in negative pressure chamber 220, the atmospheric pressure in its intracavity is less than the absolute atmospheric pressure in storage jar 100 after the gas in negative pressure chamber 220 compresses, negative pressure chamber 220 produces negative atmospheric pressure this moment, because the part that atmospheric pressure is high makes gaseous flow direction part that atmospheric pressure is low, consequently, the air current drives lithium cell graphite cathode material in storage jar 100 and flows into main feed pipe 210 in, and export lithium cell graphite cathode material through dividing feed pipe 212 and use, thereby reach the purpose of negative pressure feed.

In addition, a connecting sealing ring 2124 is provided on the top of the connecting plate 2122 to seal the connection between the connecting plate 2122 and the threaded pipe 2113.

Besides, the bottom of the storage tank 100 is provided with the support frame 120, the bottom of the negative pressure cavity 220 is provided with the support base 222, and the support frame 120 and the support base 222 are located on the same horizontal plane, so that the purpose of supporting and fixing the storage tank 100 and the negative pressure cavity 220 is achieved, and convenience is brought to direct use of users.

When the negative pressure feeding device for the graphite cathode material of the lithium battery in the embodiment is used specifically, the air pump 221 is powered on first. Make its work compress the gas in pressing the chamber 220, the atmospheric pressure in its intracavity is less than the absolute atmospheric pressure in the storage jar 100 after the gas in the negative pressure chamber 220 compresses, negative pressure chamber 220 produces negative atmospheric pressure this moment, because the part that atmospheric pressure is high makes the part that gaseous flow direction atmospheric pressure is low, consequently the air current drives the lithium cell graphite negative pole material in the storage jar 100 and flows into main feed pipe 210 in, and export lithium cell graphite negative pole material through dividing feed pipe 212 and use, thereby reach the purpose of negative pressure feed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A negative pressure feeding device for a graphite negative electrode material of a lithium battery comprises a storage tank (100) and a negative pressure feeding device (200) arranged on the left side of the storage tank (100), and is characterized in that: the negative pressure feeding device (200) comprises a main feeding pipe (210), the main feeding pipe (210) is communicated with the storage tank (100), a feeding hole (110) is formed in the top of the storage tank (100), the feeding hole (110) is communicated with the storage tank (100), the feeding hole (110) is used for injecting a lithium battery graphite negative electrode material into the storage tank (100), a plurality of sub feeding pipes (212) are arranged at the bottom of the main feeding pipe (210), and a connecting pipe (211) is arranged between each sub feeding pipe (212) and the main feeding pipe (210);

the connecting pipe (211) comprises a connecting block (2111), a threaded pipe (2113) is arranged at the bottom of the connecting block (2111), the connecting block (2111) is used for communicating the threaded pipe (2113) with the main feeding pipe (210), an inserting pipe (2121) is arranged at the top of the sub-feeding pipe (212), the inserting pipe (2121) is matched with the threaded pipe (2113) in an inserting mode, the outer wall of the inserting pipe (2121) is tightly attached to the inner wall of the threaded pipe (2113), screw rods (2112) are arranged at four corners of the bottom of the connecting block (2111), a connecting plate (2122) is arranged at the bottom of the inserting pipe (2121), the connecting block (2111) is matched with the connecting plate (2122) in an inserting mode, and a nut (2123) is connected to the bottom of the screw rods (2112) in a threaded mode.

2. The negative pressure feeding apparatus for a graphite negative electrode material of a lithium battery as claimed in claim 1, wherein: the external thread of the threaded pipe (2113) is connected with a sealing cover (213).

3. The negative pressure feeding apparatus for a graphite negative electrode material of a lithium battery as claimed in claim 2, wherein: the sealing cover (213) is internally provided with a sealing seat (2131), and a fixed sealing ring (2132) is arranged around the bottom of the sealing seat (2131).

4. The negative pressure feeding apparatus for a graphite negative electrode material of a lithium battery as claimed in claim 1, wherein: the bottom of the left end of the main feeding pipe (210) is provided with a negative pressure cavity (220), the right side of the bottom of the negative pressure cavity (220) is provided with an air pump (221), and the air pump (221) is used for compressing air in the negative pressure cavity (220).

5. The negative pressure feeding apparatus for a graphite negative electrode material of a lithium battery as claimed in claim 1, wherein: and a connecting sealing ring (2124) is arranged at the top of the connecting plate (2122).

6. The negative pressure feeding apparatus for a graphite negative electrode material of a lithium battery as claimed in claim 4, wherein: storage jar (100) bottom is equipped with support frame (120), negative pressure chamber (220) bottom is equipped with supporting seat (222), support frame (120) with supporting seat (222) ground is located same horizontal plane.