Method for separating electrode chip feeding
阅读说明：本技术 电芯极片上料的分片方法 (Method for separating electrode chip feeding ) 是由 林国栋 赵盛宇 雷宇 温燕修 邓玮 张均龙 于 2020-07-14 设计创作，主要内容包括：本发明公开了一种电芯极片上料的分片方法,包括以下步骤：第一压紧装置向上移动,至少一个第一气流喷嘴放出第一气流,第一气流作用于极片存储装置内的极片上,使最上层的部分极片向上拱起；吸附装置吸取第一极片,第一极片为直接与吸附装置接触的极片,第二气流喷嘴放出第二气流,第二气流作用于极片上,第二气流吹落第二极片,第二极片为粘附于第一极片上的极片；第一极片从极片存储装置移动至传输装置,使第一极片远离第一压紧装置,第一压紧装置复位并压住极片存储装置内的极片。通过本发明的电芯极片上料的分片方法,可以节省极片分张和定位极片的时间,提高加工的效率,有效地实现了单片上料的目的。(The invention discloses a method for slicing the feeding of a battery cell pole piece, which comprises the following steps: the first pressing device moves upwards, at least one first air flow nozzle emits first air flow, and the first air flow acts on the pole pieces in the pole piece storage device to enable part of the pole pieces on the uppermost layer to arch upwards; the adsorption device absorbs a first pole piece, the first pole piece is directly contacted with the adsorption device, a second airflow nozzle emits a second airflow, the second airflow acts on the pole piece, the second airflow blows off the second pole piece, and the second pole piece is adhered to the first pole piece; the first pole piece is moved from the pole piece storage device to the transmission device, so that the first pole piece is far away from the first pressing device, and the first pressing device resets and presses the pole piece in the pole piece storage device. The method for slicing the feeding of the electrode plate of the electric core can save the time for slicing and positioning the electrode plate, improve the processing efficiency and effectively realize the purpose of feeding the single electrode plate.)
1. A method for slicing the battery core pole piece feeding is characterized by comprising the following steps:
the first pressing device moves upwards, and at least one first air flow nozzle emits first air flow which acts on the pole pieces in the pole piece storage device to enable part of the upper pole pieces to arch upwards;
the adsorption device absorbs a first pole piece, the first pole piece is directly contacted with the adsorption device, a second airflow nozzle emits a second airflow, the second airflow acts on the pole piece, the second airflow blows off the second pole piece, and the second pole piece is adhered to the lower part of the first pole piece;
and the first pole piece is moved from the pole piece storage device to a transmission device, so that the first pole piece is far away from the first pressing device, and the first pressing device resets and presses the pole piece in the pole piece storage device.
2. The method for slicing a battery cell pole piece charge according to claim 1, further comprising a plurality of second compressing devices, wherein the second compressing devices are disposed on two sides of the first compressing device, and each second compressing device comprises a spring plate which presses two sides of a pole piece in the pole piece storage device, so that when the first airflow acts on the pole piece, a part of the uppermost pole piece in the pole piece storage device is arched upwards;
the adsorption device absorbs the first pole piece, and the first pole piece drives the elastic sheet to bend upwards in the process that the first pole piece moves from the pole piece storage device to the transmission device;
and after the first pole piece is separated from the elastic sheet, the elastic sheet resets and presses the pole piece in the pole piece storage device.
3. The cell pole piece feeding slicing method of claim 1, wherein the second air flow nozzle is arranged in a horn shape, and the second air flow emitted by the second air flow nozzle is diffused outward and acts on the first pole piece.
4. The method for slicing an electrode sheet feeding according to claim 3, wherein the first electrode sheet is adsorbed by the adsorption device, and the second air flow keeps the first electrode sheet suspended and adsorbed by the adsorption device, and ensures that only one electrode sheet is transported;
if the second pole piece is adhered below the first pole piece, the second air flow blows off the second pole piece while keeping the first pole piece in a suspended state.
5. The method for slicing a battery cell pole piece material loading according to claim 1, wherein the transmission device comprises a plurality of rollers and a plurality of transmission rollers, the rollers are rotatably mounted on a rotating shaft, the rollers are located above the transmission rollers, and in the step of driving the pole pieces to move from the pole piece storage device to the transmission device by the adsorption device, the method further comprises the following steps:
the first pole piece is conveyed to be in contact with the transmission roller, the roller rotates downwards around the rotating shaft and is in contact with the first pole piece, the roller and the transmission roller are matched with each other to drive the first pole piece to be far away from the pole piece storage device, and the roller rotates upwards around the rotating shaft and is far away from the transmission roller.
6. The battery cell pole piece feeding slicing method according to claim 1, further comprising a plurality of brushes, wherein the brushes are arranged on left and right sides of the first pressing device, the brushes act on the first pole piece, the brushes can separate the second pole piece from the first pole piece, and the second pole piece falls back into the pole piece storage device.
7. The method for slicing a battery cell pole piece feeding material according to claim 1, wherein the pole piece storage device further comprises a bottom plate, the bottom plate is connected with a driving device, the driving device drives the bottom plate to move in a vertical direction, a pole piece is placed on the bottom plate, and the bottom plate jacks up the pole piece in the pole piece storage device.
8. The method for slicing a battery core pole piece material loading according to claim 1, wherein there are two first air flow nozzles.
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a method for slicing a battery core pole piece in a feeding manner.
Background
The lithium battery has good development trend due to the advantages of long service life, high rated voltage, low self-discharge rate, high storage energy density and high power bearing capacity, and the process of battery core forming plays an important role in the manufacturing of the lithium battery. The battery core forming process comprises a pole piece feeding procedure, and the quality of a pole piece feeding slicing method is related to the quality and the forming efficiency of subsequent battery core forming. In the prior art, a method for feeding materials by adsorbing pole pieces by using a sucker type manipulator needs to position the pole pieces by using visual positioning, and the visual positioning needs a certain feedback time to influence the efficiency of grabbing the pole pieces; meanwhile, due to the fact that adsorption force exists between the pole pieces, redundant pole pieces need to be shaken off through shaking actions, a certain time needs to be reserved in the shaking off process, and the material taking efficiency in the feeding process is low.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a method for slicing the feeding of the cell pole piece, which can efficiently complete the feeding process of the cell pole piece.
The slicing method for the feeding of the chip electrode plates comprises the following steps of: the first pressing device moves upwards, and at least one first air flow nozzle emits first air flow which acts on the pole pieces in the pole piece storage device to enable part of the upper pole pieces to arch upwards; the adsorption device absorbs a first pole piece, the first pole piece is directly contacted with the adsorption device, a second airflow nozzle emits a second airflow, the second airflow acts on the pole piece, the second airflow blows off the second pole piece, and the second pole piece is adhered to the lower part of the first pole piece; and the first pole piece is moved from the pole piece storage device to a transmission device, so that the first pole piece is far away from the first pressing device, and the first pressing device resets and presses the pole piece in the pole piece storage device.
The slicing method for feeding the chip electrode plates disclosed by the embodiment of the invention at least has the following beneficial effects: a first air flow is emitted through the first air flow nozzle and acts on the pole pieces in the pole piece storage device, so that part of the pole pieces on the uppermost layer are arched upwards, the first pole pieces are absorbed by the absorption device, meanwhile, a second air flow is emitted by the second air flow nozzle and acts on the pole pieces, and the second air flow blows off the second pole pieces to play a role in slicing; the first air current blows the pole piece and arches the back adsorption equipment and just can absorb the pole piece, and first pole piece removes the in-process to transmission device from pole piece storage device, and the second air current blows off the second pole piece, can reduce the action that adopts the required wait for shake of shake burst and location pole piece, saves electric core pole piece material loading required time, improves the efficiency of electric core pole piece material loading.
According to some embodiments of the present invention, the pole piece storage device further comprises a plurality of second pressing devices, the second pressing devices are disposed on two sides of the first pressing device, each second pressing device comprises an elastic sheet, and the elastic sheets press two sides of a pole piece in the pole piece storage device, so that when the first airflow acts on the pole piece, a part of the uppermost pole piece in the pole piece storage device is arched upwards;
the adsorption device absorbs the first pole piece, and the first pole piece drives the elastic sheet to bend upwards in the process that the first pole piece moves from the pole piece storage device to the transmission device;
and after the first pole piece is separated from the elastic sheet, the elastic sheet resets and presses the pole piece in the pole piece storage device.
According to some embodiments of the invention, the second air flow nozzle is provided in a trumpet shape, and the second air flow emitted from the second air flow nozzle is diffused outward and acts on the first pole piece.
According to some embodiments of the present invention, the first pole piece is adsorbed by the adsorption device, and the second air flow keeps the first pole piece suspended and adsorbed by the adsorption device, and ensures that only one pole piece is transported;
if the second pole piece is adhered below the first pole piece, the second air flow blows off the second pole piece while keeping the first pole piece in a suspended state.
According to some embodiments of the present invention, the transmission device includes a plurality of rollers and a plurality of driving rollers, the rollers are rotatably mounted on the rotating shaft, the rollers are located above the driving rollers, and in the step of "the adsorption device drives the pole piece to move from the pole piece storage device to the transmission device", the transmission device further includes the following steps:
the first pole piece is conveyed to be in contact with the transmission roller, the roller rotates downwards around the rotating shaft and is in contact with the first pole piece, the roller and the transmission roller are matched with each other to drive the first pole piece to be far away from the pole piece storage device, and the roller rotates upwards around the rotating shaft and is far away from the transmission roller.
According to some embodiments of the invention, a plurality of brushes are further provided, the brushes are arranged on the left side and the right side of the first pressing device, the brushes act on the first pole piece, the brushes can separate the second pole piece from the first pole piece, and the second pole piece falls back into the pole piece storage device.
According to some embodiments of the present invention, the pole piece storage device further includes a bottom plate, the bottom plate is connected to a driving device, the driving device drives the bottom plate to move in a vertical direction, the pole piece is placed on the bottom plate, and the bottom plate jacks up the pole piece in the pole piece storage device.
According to some embodiments of the invention, there are two of the first air flow nozzles.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a cell pole piece feeding according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first pressing device, a second pressing device, a first air flow nozzle and a second air flow nozzle for feeding a cell pole piece according to an embodiment of the present invention;
fig. 3 is a process flow diagram of a slicing method for feeding a chip electrode plate according to an embodiment of the invention.
Reference numerals:
the pole piece storage device comprises an
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the positional descriptions, such as the directions of up, down, front, rear, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplicity of 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 direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
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