CN217164239U

CN217164239U - Lithium ion battery powder conveying anti-blocking device

Info

Publication number: CN217164239U
Application number: CN202123073869.3U
Authority: CN
Inventors: 卫钵; 张庆江; 吴良骥
Original assignee: Jiewei Power Industry Jiaxing Co ltd
Current assignee: Jiewei Power Industry Jiaxing Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-08-12
Anticipated expiration: 2031-12-07

Abstract

The utility model provides a lithium ion battery powder carries prevents stifled device, includes the inlayer pipeline of carrying the lithium ion battery powder, the inlayer pipeline is provided with outer pipeline outward, form the cavity intermediate layer between inlayer pipeline and the outer pipeline, the well upper portion both sides of cavity intermediate layer all are equipped with rather than the compressed air gas blowing device who feeds into pulse air current, the well lower part both sides of cavity intermediate layer all are equipped with rather than the vacuum generator who feeds through and carry out the evacuation. The utility model discloses the exhaust is timely, can prevent that the inlayer pipeline from warping to prevent the pipeline putty, improve production efficiency, can guarantee the overall stability of atmospheric pressure simultaneously.

Description

Lithium ion battery powder conveying anti-blocking device

Technical Field

The utility model belongs to the technical field of lithium ion battery automatic feeding, concretely relates to lithium ion battery powder is carried and is prevented stifled device.

Background

The lithium ion battery pulping is generally divided into a feeding system and a homogenizing system, wherein the feeding system is used for adding various lithium ion battery raw materials including main materials, auxiliary materials and solvents into a stirrer according to a certain proportion for mixing and dispersing, and the stirrer is used for mixing and dispersing to form uniform slurry for coating. The main materials of most lithium battery manufacturers are conveyed, and are discharged by gravity, and conveyed into a stirrer through a double-layer discharging pipeline for homogenate.

At present, the main material conveying mainly used double-layer blanking pipelines in the market are shown in figure 1, wherein an outer SUS304 layer, an inner PTFE layer or other material pipelines are matched with an interlayer blowing device to prevent materials from being adhered to walls and accumulating blocked materials, and gas is discharged from a gas release hole; but traditional mode has some defects, and too much, the atmospheric pressure unstable or passive exhaust when gas blowing device blows in are untimely, can lead to the interior air pressure of intermediate layer too big, cause the inlayer pipeline to take place deformation, cause the putty problem, influence production efficiency.

Disclosure of Invention

For solving the above-mentioned problem that prior art exists, the utility model provides a conveyer pipe can not warp, exhaust in time, can not cause the putty, improved production efficiency's lithium ion battery powder and carry anti-blocking device.

The utility model adopts the technical proposal that:

the utility model provides a lithium ion battery powder is carried and is prevented stifled device, is including the inlayer pipeline of carrying the lithium ion battery powder, the inlayer pipeline is provided with outer pipeline outward, form cavity intermediate layer, its characterized in that between inlayer pipeline and the outer pipeline: and both sides of the middle upper part of the hollow interlayer are provided with compressed air blowing devices communicated with the hollow interlayer for inputting pulse air flow, and both sides of the middle lower part of the hollow interlayer are provided with vacuum generating devices communicated with the hollow interlayer for vacuumizing.

Furthermore, a pressure sensor for detecting the internal gas pressure of the hollow interlayer is also arranged on the hollow interlayer.

Furthermore, a first pulse valve and a first pressure stabilizing valve are arranged on a communication pipeline of the compressed air blowing device and the hollow interlayer.

Further, a second pulse valve and a second pressure stabilizing valve are arranged on a communication pipeline between the vacuum generating device and the hollow interlayer.

Further, the pulse frequency of the first pulse valve is consistent with that of the second pulse valve.

Further, the pulse time of the first pulse valve and the pulse time of the second pulse valve are arranged in a staggered mode.

Further, the inner layer pipeline is made of PTFE, ethylene propylene diene monomer, nitrile rubber or PU materials.

Further, the outer pipe is made of SUS304 stainless steel material.

The utility model has the advantages that: exhaust in time, can prevent that the inlayer pipeline from warping to prevent the pipeline putty, improve production efficiency, can guarantee the overall stability of atmospheric pressure simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a conventional anti-blocking device.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic diagram of the anti-blocking principle of the present invention.

Fig. 4 is a pulse schematic diagram of the blowing and vacuuming of the compressed air blowing device and the vacuum generating device of the present invention.

Fig. 5 is a schematic view of the present invention in use on a blender.

Detailed Description

The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited to these specific embodiments. It will be recognized by those skilled in the art that the present invention encompasses all alternatives, modifications, and equivalents as may be included within the scope of the claims.

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", "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. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, 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 according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 2, the embodiment provides a lithium ion battery powder conveying anti-blocking device, which includes an inner pipe 1 for conveying lithium ion battery powder, an outer pipe 2 is arranged outside the inner pipe 1, a hollow interlayer 3 is formed between the inner pipe 1 and the outer pipe 2, compressed air blowing devices 4 communicated with the compressed air blowing devices and used for inputting pulse air flow are arranged on two sides of the middle upper portion of the hollow interlayer 3, and vacuum generating devices 8 communicated with the hollow interlayer 3 and used for vacuumizing are arranged on two sides of the middle lower portion of the hollow interlayer 3. The compressed air blowing device 4 and the vacuum generating device 8 can be arranged at the same side or in a staggered manner.

In this embodiment, a communication pipeline between the compressed air blowing device 4 and the hollow interlayer 3 is provided with a first pulse valve 5 and a first pressure maintaining valve 6, and a communication pipeline between the vacuum generating device 8 and the hollow interlayer 3 is provided with a second pulse valve 9 and a second pressure maintaining valve 10. The pulse frequency of the first pulse valve 5 is consistent with that of the second pulse valve 9. The pulse time of the first pulse valve 5 and the pulse time of the second pulse valve 9 are arranged in a staggered mode.

In this embodiment, the hollow interlayer 3 is further provided with a pressure sensor 7 for detecting the pressure of the gas therein.

The inner layer pipeline 1 is made of PTFE, ethylene propylene diene monomer, nitrile rubber, PU or other plastic materials. Preferably, PTFE (polytetrafluoroethylene), which is a high molecular polymer obtained by polymerizing tetrafluoroethylene as a monomer; it is characterized in that: white wax, translucency, heat resistance and cold resistance are excellent, and the glass can be used for a long time at minus 180-260 ℃. The material has the advantages of acid and alkali resistance, various organic solvent resistance and low friction coefficient. The outer pipe 2 is made of SUS304 stainless steel.

The utility model discloses in the course of the work, like figure 5, active material is thrown the material station by ton bag and is carried anti-blocking device through lithium ion battery powder and carry to the mixer and make finished product thick liquids through modes such as mixing, stirring, dispersion. The mixer can adopt the two dispersion vacuum mixer of double planet for lithium ion battery thick liquids mix the dispersion, form even thick liquids, be used for the coating in the lithium cell trade. When the mixing and sending tank feeds materials to the stirrer, nitrogen positive pressure conveying and negative pressure conveying modes are possible, and gravity blanking is not used.

In the process of powder passing through the pipeline, part of the powder is adhered to the inner wall of the inner pipeline 1, as shown in fig. 3, and is gradually accumulated to cause material blockage. The compressed air blowing device 4 provides a compressed air source, the compressed air source is converted into pulse airflow through the first pulse valve 5, the pulse airflow is formed into stable pulse airflow with a peak value through the first pressure stabilizing valve 6, the inner-layer pipeline 1 is impacted according to set frequency, powder adhered to the inner wall of the pipeline is shaken off, the pressure sensor 7 monitors the gas pressure inside the hollow interlayer 3, and when the pressure exceeds the set pressure, the buzzer alarms to stop, and workers are reminded.

Meanwhile, the vacuum generating device 8 starts to work, and pulse-type vacuum pumping is carried out on the air in the hollow interlayer 3 through the second pulse valve 9 and the second pressure stabilizing valve 10. As shown in figure 4, the frequency of the vacuum pulse and the frequency of the airflow pulse are kept consistent, but the pulse time is staggered, and the peak time of the airflow pulse corresponds to the trough time of the vacuum pulse, so that the integral stability of the air pressure is ensured while the material blockage of the pipeline is prevented.

The utility model discloses intermediate layer gas blowing device pulse is blown and is prevented that the powder from gluing the wall putty, and the balanced intermediate layer space pressure of vacuum generating device solves thereby the putty problem that traditional major ingredient was carried and is prevented that the wall scheme causes pipeline deformation to take place.

Claims

1. The utility model provides a lithium ion battery powder is carried and is prevented stifled device, is including the inlayer pipeline of carrying the lithium ion battery powder, the inlayer pipeline is provided with outer pipeline outward, form cavity intermediate layer, its characterized in that between inlayer pipeline and the outer pipeline: and both sides of the middle upper part of the hollow interlayer are provided with compressed air blowing devices communicated with the hollow interlayer for inputting pulse air flow, and both sides of the middle lower part of the hollow interlayer are provided with vacuum generating devices communicated with the hollow interlayer for vacuumizing.

2. The lithium ion battery powder conveying anti-blocking device according to claim 1, characterized in that: and the hollow interlayer is also provided with a pressure sensor for detecting the pressure of the gas inside the hollow interlayer.

3. The lithium ion battery powder conveying anti-blocking device according to claim 1 or 2, characterized in that: and a first pulse valve and a first pressure stabilizing valve are arranged on a communication pipeline of the compressed air blowing device and the hollow interlayer.

4. The lithium ion battery powder conveying anti-blocking device according to claim 3, characterized in that: and a second pulse valve and a second pressure stabilizing valve are arranged on a communication pipeline between the vacuum generating device and the hollow interlayer.

5. The lithium ion battery powder conveying anti-blocking device according to claim 4, characterized in that: the pulse frequency of the first pulse valve is consistent with that of the second pulse valve.

6. The lithium ion battery powder conveying anti-blocking device according to claim 4, characterized in that: the pulse time of the first pulse valve and the pulse time of the second pulse valve are arranged in a staggered mode.

7. The lithium ion battery powder conveying anti-blocking device according to claim 1, characterized in that: the inner layer pipeline is made of PTFE, ethylene propylene diene monomer, butadiene acrylonitrile rubber or PU materials.

8. The lithium ion battery powder conveying anti-blocking device according to claim 1, characterized in that: the outer pipe is made of SUS304 stainless steel material.