CN114384079A - System and method for detecting and sorting burrs of lithium battery pole piece - Google Patents
System and method for detecting and sorting burrs of lithium battery pole piece Download PDFInfo
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- CN114384079A CN114384079A CN202210065664.0A CN202210065664A CN114384079A CN 114384079 A CN114384079 A CN 114384079A CN 202210065664 A CN202210065664 A CN 202210065664A CN 114384079 A CN114384079 A CN 114384079A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
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- G—PHYSICS
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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Abstract
The invention discloses a system and a method for detecting and sorting burrs of a lithium battery pole piece, wherein the system comprises a die cutting unit, a sorting unit and a control unit, wherein the die cutting unit is used for die-cutting a material sheet into pole pieces; the automatic detection unit is connected with the die cutting unit and is used for automatically detecting burrs of the pole pieces and sorting out the burr pole pieces and qualified pole pieces; the first collecting unit is connected with the automatic detection unit and used for receiving and collecting the burr pole pieces; the second collecting unit is connected with the automatic detection unit and used for receiving and collecting qualified pole pieces; the manual detection unit is used for detecting the first collection unit and performing manual burr detection on the burr pole pieces; the manual detection unit is also connected with the die cutting unit and used for performing manual burr detection on the pole piece. According to the invention, the pole pieces are automatically detected by the automatic detection unit, and the burr pole pieces and the qualified pole pieces are sorted and then are conveyed to the specified first collection unit or the second collection unit, so that the problems of missing detection and false detection caused by manual pole piece sampling detection are avoided.
Description
Technical Field
The invention relates to the technical field of lithium ion battery production, in particular to a system and a method for detecting and sorting burrs of a lithium battery pole piece.
Background
The development of the new energy automobile market brings about the vigorous demand of the lithium ion power battery and also brings about the fierce industry and product competition. The positive and negative electrode slurry is subjected to cutting and die cutting after being coated and rolled to form positive and negative electrode plates, a small amount of burrs are generated on the edges of the positive and negative electrode plates after die cutting, and if the burrs are too large, the burrs can pierce a diaphragm between the positive and negative electrode plates to form a short circuit, and even cause battery safety accidents such as explosion in severe cases.
The current main method comprises the steps of trial cutting before continuous die cutting to obtain a small sample, detecting the appearance, the size and the burrs of the small sample by a worker under a microscope, debugging equipment according to a detection result until the small sample is qualified, performing a continuous die cutting process, performing spot inspection on a small part of pole pieces in the process, and debugging the equipment according to a spot inspection result; the manual measurement of the method has high labor intensity, burrs are easy to miss detection and false detection, and the quality of the lithium ion battery is influenced once problems occur.
Disclosure of Invention
The invention aims to provide a system and a method for detecting and sorting burrs of a lithium battery pole piece, and aims to solve the problems of missed detection and false detection caused by manual spot detection of the pole piece in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the invention provides a lithium battery pole piece burr detecting and sorting system, which comprises:
the die cutting unit is used for die cutting the material sheet into the pole piece;
the automatic detection unit is connected with the die cutting unit and is used for automatically detecting burrs of the pole pieces and sorting out the burr pole pieces and qualified pole pieces;
the first collecting unit is connected with the automatic detection unit and used for receiving and collecting the burr pole pieces;
the second collecting unit is connected with the automatic detection unit and used for receiving and collecting the qualified pole pieces;
the manual detection unit is used for detecting the first collection unit and performing manual burr detection on the burr pole piece; the manual detection unit is also connected with the die cutting unit and used for performing manual burr detection on the pole piece.
Compared with the prior art, each pole piece can be automatically detected through the automatic detection unit, and the burr pole pieces and the qualified pole pieces are sorted and then conveyed to the specified first collection unit or the second collection unit, so that the problems of missing detection and false detection caused by manual spot detection of the pole pieces are avoided; and, first collection unit is connected with artifical detecting element for carry out artifical burr and detect, carry out the reinspection to the burr pole piece, so that in time adjust the equipment parameter of cross cutting unit.
In a preferred embodiment, the system further comprises:
the reversing unit is used for conveying the pole piece to a first movement direction or a second movement direction; wherein the first movement direction is arranged perpendicular to the second movement direction;
the die cutting unit, the reversing unit and the automatic detection unit are positioned in a first movement direction;
the reversing unit and the manual detection unit are located in a second movement direction.
In a preferred embodiment, the system further comprises a transfer unit;
the die cutting unit is connected with the reversing unit, the reversing unit is connected with the automatic detection unit, the reversing unit is connected with the manual detection unit, the automatic detection unit is connected with the first collection unit, the automatic detection unit is connected with the second collection unit, and the first collection unit is connected with the manual detection unit through the transmission unit.
In a preferred embodiment, the automatic detection unit comprises:
the burr shooting assembly is used for shooting the pole piece and acquiring first image information and second image information;
the control assembly is electrically connected with the burr detection assembly and used for receiving and generating reversing information and sorting information according to the first image information and the second image information;
the reversing assembly is electrically connected with the control assembly and is used for receiving and reversing in a third movement direction and a fourth movement direction according to the reversing information and the sorting information so as to change the direction of the pole piece on the reversing assembly; wherein the third movement direction is arranged perpendicular to the fourth movement direction;
the automatic detection unit and the first collection unit are positioned in a third movement direction;
the automatic detection unit and the second collection unit are located in a fourth movement direction.
In a preferred embodiment, the reversing assembly is provided with a bearing surface for bearing a pole piece;
the subassembly is shot to burr includes:
the first camera is positioned above the bearing surface and used for shooting the pole piece on the bearing surface and acquiring first image information and second image information;
a positive light source disposed in the first camera;
the backlight source is arranged below the bearing surface and is coaxially arranged with the positive light source.
In a preferred embodiment, the first collecting unit has a receiving area, a buffer area and a transmitting area, the receiving area is located at one side of the buffer area close to the automatic detection unit, and the transmitting area is located at one side of the buffer area close to the manual detection unit;
and the receiving area, the buffer area and the transmitting area can store a burr pole piece.
In a preferred embodiment, the first collecting unit includes:
a second camera for photographing the receiving area, the buffer area and the transmitting area and acquiring third image information;
the control module is electrically connected with the second camera and is used for receiving and generating shutdown information for controlling the shutdown of the die cutting unit and the automatic detection unit according to the third image information;
and the motion module is electrically connected with the control module and is used for conveying the burr pole pieces on the receiving area, the buffer area and the transmitting area one by one to the manual detection unit.
The invention also provides a method for detecting and sorting burrs of the lithium battery pole piece, which comprises the following steps:
s100: the die cutting unit performs single-time die cutting on the material sheet according to the pre-cutting mode to obtain a pole piece and conveys the pole piece to the reversing unit, or performs continuous die cutting on the material sheet according to the working mode to obtain a plurality of pole pieces and conveys the pole pieces to the reversing unit one by one;
s200: the reversing unit conveys the pole pieces to a manual detection unit according to a precutting mode or conveys the pole pieces to an automatic detection unit according to a working mode;
s300: the automatic detection unit detects the pole pieces, divides the pole pieces into burr pole pieces and qualified pole pieces according to the sorting information, and conveys the burr pole pieces to the first collection unit or conveys the qualified pole pieces to the second collection unit;
s400: the second collecting unit receives the qualified pole pieces and stores or conveys the qualified pole pieces to the next procedure;
s500: the first collecting unit receives the burr pole pieces and conveys the burr pole pieces to the manual detection unit.
Further, the S300 specifically includes:
s310: the pole piece on the bearing surface is shot by the first camera to obtain first image information;
s320: the control component receives the first image information and then generates reversing information;
s330: the reversing assembly reverses from the third moving direction to the fourth moving direction according to the reversing information so as to enable the pole piece to be steered;
s340: the first camera shoots the pole piece on the bearing surface again to obtain second image information;
s350: the control component receives the second image information, compares the second image information with the standard image information after combining the first image information, and generates sorting information;
s360: and the reversing assembly reverses from the fourth movement direction to the third movement direction according to the sorting information and conveys the qualified pole pieces to the second collecting unit, or keeps the existing direction and conveys the burr pole pieces to the first collecting unit.
Further, the S500 specifically includes:
s510: the motion module receives the first burr pole piece and stores the first burr pole piece in the emission area;
s520: the motion module receives the second burr pole piece and stores the second burr pole piece in a buffer area;
s530: the motion module receives the third burred pole piece and stores the third burred pole piece in the receiving area;
s540: the second camera shoots the receiving area, the buffer area and the transmitting area and obtains third image information;
s550: and the control module receives and generates shutdown information according to the third image information.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a lithium battery pole piece burr detection and sorting system;
FIG. 2 is a schematic diagram of an automatic detection unit;
fig. 3 is a schematic view of a first collection unit.
Detailed Description
In order to better illustrate the invention, the invention is described in further detail below with reference to the accompanying drawings.
It should be understood that the embodiments described are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims. In the description of the present application, it is to be understood that the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not necessarily used to describe a particular order or sequence, nor are they to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
With reference to fig. 1 to 3, the present invention provides a system for detecting and sorting burrs of a lithium battery pole piece, including:
a die cutting unit 100 for die cutting the web into pole pieces;
the automatic detection unit 300 is connected with the die cutting unit 100 and is used for automatically detecting burrs of the pole pieces and sorting out the burr pole pieces and qualified pole pieces;
the first collecting unit 500 is connected with the automatic detection unit 300 and is used for receiving and collecting the burr pole pieces;
the second collecting unit 400 is connected with the automatic detection unit 300 and is used for receiving and collecting the qualified pole pieces;
the manual detection unit 600 is used for detecting the first collection unit 500 and performing manual burr detection on the burr pole piece; the manual detection unit 600 is further connected with the die cutting unit 100 and used for performing manual burr detection on the pole piece.
Specifically, the die cutting unit 100 die-cuts the sheet into pole pieces in the pre-cutting mode, and conveys the pole pieces to the manual detection unit 600, detects the pole pieces in a manual detection mode, adjusts the equipment parameters of the die cutting unit 100 according to the detection condition, and die-cuts the new sheet until the pole pieces meet the requirements of manual detection, and then stops adjusting the equipment parameters of the die cutting unit 100; then, the die cutting unit 100 die-cuts the plurality of sheets into a plurality of pole pieces in the working mode, and conveys the plurality of pole pieces one by one to the automatic detection unit 300, the pole pieces are subjected to automatic burr detection through the automatic detection unit 300, and after the burr pole pieces and the qualified pole pieces are sorted out, the qualified pole pieces are conveyed to the second collection unit 400 for collection, and the burr pole pieces are conveyed to the first collection unit 500 for collection; after collecting a certain amount of burr pole pieces, the first collecting unit 500 conveys the burr pole pieces to the manual detection unit 600 for rechecking, so that the equipment parameters of the die cutting unit 100 can be adjusted in time, and excessive burr pole pieces are avoided.
Compared with the prior art, the automatic detection device can automatically detect each pole piece through the automatic detection unit 300, select the burr pole pieces and the qualified pole pieces and then convey the burr pole pieces and the qualified pole pieces to the designated first collection unit 500 or the designated second collection unit 400, so that the problems of missing detection and false detection caused by manual spot detection of the pole pieces are avoided; moreover, first collection unit 500 is connected with artifical detecting element 600 for carry out artifical burr and detect, go on reinspection to the burr pole piece, so that in time adjust the equipment parameter of cross cutting unit 100, reduce the appearance of follow-up burr pole piece.
In one embodiment, the system further comprises:
the reversing unit 200 is used for conveying the pole piece to a first movement direction or a second movement direction; wherein the first movement direction is arranged perpendicular to the second movement direction;
the die cutting unit 100, the reversing unit 200 and the automatic detection unit 300 are in a first movement direction;
the reversing unit 200 and the manual detection unit 600 are in a second motion direction.
According to the invention, the conveying direction of the pole piece is changed through the reversing unit 200, so that the die cutting unit 100 is connected with the automatic detection unit 300 and the manual detection unit 600; when the die cutting unit 100 die-cuts the material sheet into pole pieces in the pre-cutting mode and conveys the pole pieces to the reversing unit 200, the reversing unit 200 conveys the pole pieces to the manual detection unit 600 according to the pre-cutting mode, and the pole pieces are detected in a manual detection mode; when the die cutting unit 100 is in the working mode, the plurality of material sheets are die-cut into the plurality of pole pieces, the plurality of pole pieces are conveyed to the reversing unit 200 one by one, the reversing unit 200 conveys the pole pieces to the automatic detection unit 300 according to the working mode, and the automatic burr detection is performed on the pole pieces through the automatic detection unit 300, so that the detection efficiency is accelerated.
It should be noted that, in the present embodiment, the reversing unit 200 may adopt a scheme that the rotating motor drives the conveying roller set to perform reversing, and may also adopt other common technical means of those skilled in the art, which is not limited in the present invention.
In one embodiment, the system further comprises a transfer unit 700; the die cutting unit 100 and the reversing unit 200, the reversing unit 200 and the automatic detection unit 300, the reversing unit 200 and the manual detection unit 600, the automatic detection unit 300 and the first collection unit 500, the automatic detection unit 300 and the second collection unit 400, and the first collection unit 500 and the manual detection unit 600 are all connected through the transmission unit 700.
The present invention realizes the connection relationship between the units through the transfer unit 700, thereby transferring the pole pieces. It should be noted that, the conveying unit 700 in this embodiment may adopt a scheme of a conveying roller to realize conveying, and may also adopt other common technical means of those skilled in the art, which is not limited in this disclosure.
In one embodiment, as shown in fig. 2, the automatic detection unit 300 includes:
the burr shooting component is used for shooting the pole piece 800 and acquiring first image information and second image information;
the control assembly is electrically connected with the burr detection assembly and used for receiving and generating reversing information and sorting information according to the first image information and the second image information;
the reversing assembly 320 is electrically connected with the control assembly and is used for receiving and reversing in a third motion direction and a fourth motion direction according to the reversing information and the sorting information so as to change the orientation of the pole piece on the reversing assembly 320; wherein the third movement direction is arranged perpendicular to the fourth movement direction;
the automatic detection unit 300 and the first collection unit 500 are in a third direction of motion;
the automatic detection unit 300 and the second collection unit 400 are in a fourth direction of motion.
Specifically, the invention shoots the burr condition of the pole piece through the burr shooting component to obtain the first image information (namely the pole piece image of the reversing component 320 in the third moving direction), the control component generates the reversing information after receiving the first image information, the reversing component 320 receives and reverses from the third moving direction to the fourth moving direction according to the reversing information to make the pole piece direction turn, the burr shooting component shoots the pole piece again to obtain the second image information (namely the pole piece image of the reversing component 320 in the fourth moving direction), the control component receives the second image information and compares with the standard image information after combining with the first image information to generate the sorting information, the reversing component 320 receives and reverses from the fourth moving direction to the third moving direction according to the sorting information and conveys the qualified pole piece to the second collecting unit 400, or maintain the existing orientation and convey the burred pole pieces to the first collecting unit 500.
It should be noted that the reversing assembly 320 of the present invention not only supports the sorting function of conveying the qualified pole pieces to the second collecting unit 400, or maintaining the existing direction and conveying the burr pole pieces to the first collecting unit 500, but also realizes burr detection on the die cut edges and the cut edges of the pole pieces by changing the orientation of the pole pieces under the condition of only one camera, thereby effectively saving the use of the camera.
The third movement direction and the first movement direction are arranged in parallel, and the fourth movement direction and the second movement direction are arranged in parallel.
The reversing assembly 320 is provided with a transmission roller set which provides power for conveying pole pieces; the reversing assembly is further provided with a steering motor which is rotatably connected with the transmission roller group, so that the transmission roller group can be reversed from the third movement direction to the fourth movement direction or from the fourth movement direction to the third movement direction.
The control module receives the second image information, compares the second image information with the standard image information after combining the first image information, and generates the sorting information by shooting the qualified pole pieces with the same specification in the automatic detection unit 300 in advance, recording the image information (i.e. the standard image information) of the qualified pole pieces, and inputting the image information into the control module; and comparing the first image information and the second image information with the standard image information to sort out the burr pole pieces and the qualified pole pieces.
In addition, binarization processing can be performed on the first image information and the second image information, and burrs can be identified.
Further, the reversing assembly 320 has a bearing surface 321 for bearing a pole piece;
the subassembly is shot to burr includes:
the first camera 311 is located above the bearing surface 321, and is configured to shoot the pole piece on the bearing surface 321 and obtain first image information and second image information;
a positive light source 312 provided in the first camera 311;
and a backlight source 313 disposed below the bearing surface 321, wherein the backlight source 313 is disposed coaxially with the positive light source 312.
The pole piece is borne by the reversing assembly 320, so that the bearing and reversing functions of the pole piece are realized, the first camera 311 is responsible for shooting the pole piece on the bearing surface 321, and the edge cutting and edge slitting of a shooting die are performed in cooperation with the reversing of the reversing assembly 320; the positive light source 312 is responsible for emitting positive light, and the backlight 313 is responsible for emitting backlight, so as to better capture burrs.
In one embodiment, as shown in fig. 3, the first collecting unit 500 has a receiving area 510, a buffer area 520 and a transmitting area 530, the receiving area 510 is located at a side of the buffer area 520 close to the automatic detection unit 300, and the transmitting area 530 is located at a side of the buffer area 520 close to the manual detection unit 600; a burr pole piece can be stored on the receiving area 510, the buffer area 520 and the transmitting area 530; according to the invention, the receiving area 510, the buffer area 520 and the transmitting area 530 are arranged, so that the first collecting unit 500 can collect three burr pole pieces, the collecting amount of the first collecting unit 500 is increased, and the space shortage caused by the instantaneous increase of the burr pole pieces is avoided.
Further, the first collecting unit 500 includes:
a second camera 540 for photographing the receiving area 510, the buffer area 520, and the transmitting area 530, and acquiring third image information;
a control module, electrically connected to the second camera 540, for receiving and generating shutdown information for controlling the shutdown of the die-cutting unit 100 and the automatic detection unit 300 according to the third image information;
and the motion module is electrically connected with the control module and is used for conveying the burr pole pieces on the receiving area 510, the buffer area 520 and the emitting area 530 one by one to the manual detection unit 600.
Specifically, the present invention uses the second camera 540 to photograph the receiving area 510, the buffer area 520, and the transmitting area 530 and acquire third image information; when 3 burr pole pieces exist in the receiving area 510, the buffer area 520 and the transmitting area 530 at the same time in unit time, that is, it indicates that the die-cutting unit 100 has problems and needs to be processed in time, at this time, the control module generates shutdown information for controlling the shutdown of the die-cutting unit 100 and the automatic detection unit 300, controls the die-cutting unit 100 to stop die cutting and stop loss in time, and controls the automatic detection unit 300 to stop detection, thereby avoiding the situation that excessive burr pole pieces enter the first collection unit 500 to cause congestion.
The motion module is 3 groups of driving roller groups which are respectively positioned at the conveying receiving area 510, the buffer area 520 and the transmitting area 530 and provide power for conveying pole pieces, wherein the driving roller group at the buffer area 520 has a reversing function. The transfer speed of the motion module is lower than that of the transfer unit 700 so as to match the unit time in the control module.
The invention also provides a method for detecting and sorting burrs of the lithium battery pole piece, which comprises the following steps:
s100: the die cutting unit performs single-time die cutting on the material sheet according to the pre-cutting mode to obtain a pole piece and conveys the pole piece to the reversing unit, or performs continuous die cutting on the material sheet according to the working mode to obtain a plurality of pole pieces and conveys the pole pieces to the reversing unit one by one;
the die cutting unit is used for die cutting the material sheet into pole pieces in a pre-cutting mode and conveying the pole pieces to the reversing unit, or is used for continuously die cutting the material sheet into a plurality of pole pieces in a working mode and conveying the pole pieces to the reversing unit for conveying processing.
S200: the reversing unit conveys the pole pieces to a manual detection unit according to a precutting mode or conveys the pole pieces to an automatic detection unit according to a working mode;
in the pre-cutting mode, the reversing unit conveys the pole piece to the manual detection unit, the pole piece is detected in a manual detection mode, equipment parameters of the die-cutting unit are adjusted according to the detection condition, new material sheets are die-cut, and adjustment of the equipment parameters of the die-cutting unit is stopped until the pole piece meets the requirement of manual detection; in the working mode, the reversing unit conveys the pole pieces to the automatic detection unit one by one, automatic burr detection is carried out on the pole pieces through the automatic detection unit, and the burr pole pieces and the qualified pole pieces are sorted out.
S300: the automatic detection unit detects the pole pieces, divides the pole pieces into burr pole pieces and qualified pole pieces according to the sorting information, and conveys the burr pole pieces to the first collection unit or conveys the qualified pole pieces to the second collection unit;
further, the S300 specifically includes:
s310: the pole piece on the bearing surface is shot by the first camera to obtain first image information;
s320: the control component receives the first image information and then generates reversing information;
s330: the reversing assembly reverses from the third moving direction to the fourth moving direction according to the reversing information so as to enable the pole piece to be steered;
s340: the first camera shoots the pole piece on the bearing surface again to obtain second image information;
s350: the control component receives the second image information, compares the second image information with the standard image information after combining the first image information, and generates sorting information;
s360: and the reversing assembly reverses from the fourth movement direction to the third movement direction according to the sorting information and conveys the qualified pole pieces to the second collecting unit, or keeps the existing direction and conveys the burr pole pieces to the first collecting unit.
The burr shooting component shoots the burr condition of the pole piece to obtain first image information (namely the pole piece image of the reversing component in the third movement direction), the control component generates the reversing information after receiving the first image information, the reversing component receives and reverses from the third moving direction to the fourth moving direction according to the reversing information, so that the direction of the pole piece is turned, the burr shooting component shoots the pole piece again to obtain second image information (namely the pole piece image of the reversing component in the fourth movement direction), the control component receives the second image information and compares the second image information with the standard image information after combining the first image information to generate sorting information, and the reversing assembly receives and reverses from the fourth moving direction to the third moving direction according to the sorting information and conveys the qualified pole pieces to the second collecting unit, or keeps the existing direction and conveys the burr pole pieces to the first collecting unit.
S400: the second collecting unit receives the qualified pole pieces and stores or conveys the qualified pole pieces to the next procedure;
s500: the first collecting unit receives the burr pole pieces and conveys the burr pole pieces to the manual detection unit according to the processing information.
Further, the S500 specifically includes:
s510: the motion module receives the first burr pole piece and stores the first burr pole piece in the emission area;
s520: the motion module receives the second burr pole piece and stores the second burr pole piece in a buffer area;
s530: the motion module receives the third burred pole piece and stores the third burred pole piece in the receiving area;
s540: the second camera shoots the receiving area, the buffer area and the transmitting area and obtains third image information;
s550: and the control module receives and generates shutdown information according to the third image information.
Shooting the receiving area, the buffer area and the transmitting area by using the second camera and acquiring third image information; when 3 burr pole pieces exist in the receiving area, the buffer area and the transmitting area in unit time at the same time, the fact that the die cutting unit has problems is indicated, processing needs to be conducted in time, at the moment, the control module generates stop information used for controlling the stop of the die cutting unit and the automatic detection unit, the die cutting unit is controlled to stop die cutting, loss stopping is conducted in time, the automatic detection unit is controlled to stop detection, and congestion caused when excessive burr pole pieces enter the first collection unit is avoided.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. The utility model provides a lithium-ion battery pole piece burr detects sorting system which characterized in that includes:
the die cutting unit is used for die cutting the material sheet into the pole piece;
the automatic detection unit is connected with the die cutting unit and is used for automatically detecting burrs of the pole pieces and sorting out the burr pole pieces and qualified pole pieces;
the first collecting unit is connected with the automatic detection unit and used for receiving and collecting the burr pole pieces;
the second collecting unit is connected with the automatic detection unit and used for receiving and collecting the qualified pole pieces; the manual detection unit is used for detecting the first collection unit and performing manual burr detection on the burr pole piece; the manual detection unit is also connected with the die cutting unit and used for performing manual burr detection on the pole piece.
2. The lithium battery pole piece burr detecting and sorting system of claim 1, characterized in that the system further comprises:
the reversing unit is used for conveying the pole piece to a first movement direction or a second movement direction; wherein the first movement direction is arranged perpendicular to the second movement direction;
the die cutting unit, the reversing unit and the automatic detection unit are positioned in a first movement direction; the reversing unit and the manual detection unit are located in a second movement direction.
3. The lithium battery pole piece burr detecting and sorting system of claim 2, characterized in that:
the system also includes a transfer unit;
the die cutting unit and the reversing unit, the reversing unit and the automatic detection unit, the reversing unit and the manual detection unit, the automatic detection unit and the first collection unit, the automatic detection unit and the second collection unit, and the first collection unit and the manual detection unit
The units are all connected by the transmission unit.
4. The lithium battery pole piece burr detecting and sorting system of claim 1, wherein the automatic detection unit comprises:
the burr shooting assembly is used for shooting the pole piece and acquiring first image information and second image information;
the control assembly is electrically connected with the burr detection assembly and used for receiving and generating reversing information and sorting information according to the first image information and the second image information;
the reversing assembly is electrically connected with the control assembly and is used for receiving and reversing in a third movement direction and a fourth movement direction according to the reversing information and the sorting information so as to change the direction of the pole piece on the reversing assembly; wherein the third movement direction is arranged perpendicular to the fourth movement direction;
the automatic detection unit and the first collection unit are positioned in a third movement direction;
the automatic detection unit and the second collection unit are located in a fourth movement direction.
5. The lithium battery pole piece burr detecting and sorting system of claim 4, characterized in that:
the reversing assembly is provided with a bearing surface for bearing a pole piece;
the subassembly is shot to burr includes:
the first camera is positioned above the bearing surface and used for shooting the pole piece on the bearing surface and acquiring first image information and second image information;
a positive light source disposed in the first camera;
the backlight source is arranged below the bearing surface and is coaxially arranged with the positive light source.
6. The lithium battery pole piece burr detecting and sorting system of claim 1, characterized in that:
the first collecting unit is provided with a receiving area, a buffer area and a transmitting area, the receiving area is positioned on one side of the buffer area close to the automatic detection unit, and the transmitting area is positioned on one side of the buffer area close to the manual detection unit;
and the receiving area, the buffer area and the transmitting area can store a burr pole piece.
7. The lithium battery pole piece burr detecting and sorting system of claim 6, characterized in that:
the first collection unit includes:
a second camera for photographing the receiving area, the buffer area and the transmitting area and acquiring third image information;
the control module is electrically connected with the second camera and is used for receiving and generating shutdown information for controlling the shutdown of the die cutting unit and the automatic detection unit according to the third image information;
and the motion module is electrically connected with the control module and is used for conveying the burr pole pieces on the receiving area, the buffer area and the transmitting area one by one to the manual detection unit.
8. A method for detecting and sorting burrs of a lithium battery pole piece is characterized by comprising the following steps:
s100: the die cutting unit performs single-time die cutting on the material sheet according to the pre-cutting mode to obtain a pole piece and conveys the pole piece to the reversing unit, or performs continuous die cutting on the material sheet according to the working mode to obtain a plurality of pole pieces and conveys the pole pieces to the reversing unit one by one;
s200: the reversing unit conveys the pole pieces to a manual detection unit according to a precutting mode or conveys the pole pieces to an automatic detection unit according to a working mode;
s300: the automatic detection unit detects the pole pieces, divides the pole pieces into burr pole pieces and qualified pole pieces according to the sorting information, and conveys the burr pole pieces to the first collection unit or conveys the qualified pole pieces to the second collection unit;
s400: the second collecting unit receives the qualified pole pieces and stores or conveys the qualified pole pieces to the next procedure;
s500: the first collecting unit receives the burr pole pieces and conveys the burr pole pieces to the manual detection unit.
9. The method for detecting and sorting the burrs of the lithium battery pole piece according to claim 8, wherein the step S300 specifically comprises:
s310: the pole piece on the bearing surface is shot by the first camera to obtain first image information;
s320: the control component receives the first image information and then generates reversing information;
s330: the reversing assembly reverses from the third moving direction to the fourth moving direction according to the reversing information so as to enable the pole piece to be steered;
s340: the first camera shoots the pole piece on the bearing surface again to obtain second image information;
s350: the control component receives the second image information, compares the second image information with the standard image information after combining the first image information, and generates sorting information;
s360: and the reversing assembly reverses from the fourth movement direction to the third movement direction according to the sorting information and conveys the qualified pole pieces to the second collecting unit, or keeps the existing direction and conveys the burr pole pieces to the first collecting unit.
10. The method for detecting and sorting the burrs of the lithium battery pole piece according to claim 8, wherein the step S500 specifically comprises:
s510: the motion module receives the first burr pole piece and stores the first burr pole piece in the emission area;
s520: the motion module receives the second burr pole piece and stores the second burr pole piece in a buffer area;
s530: the motion module receives the third burred pole piece and stores the third burred pole piece in the receiving area;
s540: the second camera shoots the receiving area, the buffer area and the transmitting area and obtains third image information;
s550: and the control module receives and generates shutdown information according to the third image information.
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