Automatic jet printing system and jet printing method for battery insulating film

Abstract

According to the automatic jet printing system and method for the battery insulating film, in the jet printing system, the magnetic suspension track is adopted for transporting the to-be-processed battery, so that the transportation efficiency of materials can be effectively improved; through rapid transportation of the magnetic suspension track and mutual cooperation of the surface texturing area, the cleaning area and the surface jet printing area in the battery processing area, the processing efficiency of the battery can be greatly improved, the transportation of the battery in each battery processing area is more stable, and the yield of the battery is higher. In the jet printing method, the model labels of the to-be-processed batteries and the corresponding battery processing parameters are flexibly set, so that the transportation capacity of the battery transportation module and the automatic mutual matching capacity of the battery processing area are improved, and the jet printing method can be suitable for mixed line production of different models of batteries and has relatively high flexibility; and the automation level in the battery production and processing process is effectively improved.

Description

Technical Field

[0001] The invention relates to the field of battery processing, and in particular to an automatic printing system and a printing method for a battery insulating film. Background Art

[0002] In the traditional battery production process, the insulation film wrapping of the battery shell is usually achieved manually or mechanically. During the wrapping process, the insulation film is easily cut by the corners of the battery, or the corners are bulged due to problems with the wrapping process, which ultimately causes the insulation film to be easily damaged during storage and transportation, resulting in the battery shell being exposed, which increases the risk that may arise during the use of the battery. At the same time, the traditional coating process is complicated, the product yield is low, and it has many defects. When producing batteries of different models, it cannot be flexibly converted, it is difficult to carry out mixed-line production, and the production efficiency is low. Summary of the invention

[0003] In view of this, the present application proposes a battery insulation film automatic printing system and printing method, the specific scheme is as follows: In a first aspect, a battery insulating film automatic printing system is proposed, comprising: a main control module, and a first conveying device and a battery processing area that are communicatively connected to the main control module, wherein the battery processing area comprises a surface roughening area, a cleaning area, and a surface printing area; The first conveying device includes at least one magnetic suspension track, on which at least one battery transport module is arranged; the battery transport module is provided with a plurality of battery slots for placing batteries to be processed; The battery slot is provided with an adjustment device for adjusting the width and / or length of the battery slot according to the battery processing parameters of the battery to be processed obtained by the main control module; The magnetic levitation track passes through the surface roughening area, the cleaning area and the surface printing area in sequence. The battery transportation module is used to move along the magnetic levitation track to drive the batteries to be processed through the surface roughening area, the cleaning area and the surface printing area.

[0004] In some specific embodiments, the magnetic suspension track includes a track member, a first engaging member arranged along the track member and protruding in a preset first direction relative to a surface of the track member, and a second engaging member protruding in a preset second direction relative to the surface of the track member, wherein an angle is formed between the first direction and the second direction. A buckle member that matches the first engaging member and the second engaging member is arranged on one side of the battery transport module facing the magnetic suspension track.

[0005] By providing engaging pieces protruding in different directions, the battery transport module can be engaged with the magnetic levitation track from multiple directions, thereby further improving the stability of the battery transport module moving on the magnetic levitation track.

[0006] In some specific embodiments, a cylindrical surface texturing module and / or an end surface texturing module is provided in the surface texturing area; The cylindrical texturing module comprises a first frame, a first moving module and a laser; the laser is movably connected to the first frame through the first moving module, and the laser is arranged at a position above the corresponding magnetic suspension track; The first moving module is used to drive the laser to approach or move away from the cylindrical surface of the battery to be processed in the battery transport module; The end surface texturing module includes a second frame, a second moving module and a laser; the end surface laser is arranged on one side or on the corresponding two sides in the extension direction of the magnetic suspension track; The laser module is movably connected to the second frame through the second movable module; the second movable module is used to drive the end surface laser to approach or move away from the end surface of the battery to be processed in the battery transport module.

[0007] In some specific embodiments, a third frame, a third moving module and a printing assembly are provided in the surface printing area; At least one group of printing components is connected to the third frame body in a linearly movable and / or rotatable manner through a third movable module; the printing components include a printing head and a pre-curing mechanism arranged adjacent to each other; A printing process cover is connected to part or all of the printing components, and an opening is provided on the printing process cover for allowing the battery transport module to enter, and the printing head and the pre-curing mechanism are exposed relative to the inner side wall of the printing process cover; The printing head is used to print on the cylindrical surface and / or end surface of the battery to be processed that enters the printing processing cover; the pre-curing mechanism is used to pre-curing the battery to be processed after printing in the printing processing cover.

[0008] In some specific embodiments, a fixed frame and a plasma spray gun are provided in the cleaning area; Part or all of the fixed frame is arranged above the magnetic levitation track; one end of the plasma spray gun is movably arranged on the fixed frame, and the other end is arranged toward the top of the magnetic levitation track or on both sides of the magnetic levitation track, for performing plasma cleaning operations on the cylindrical surface and / or side surfaces of the battery to be processed on the magnetic levitation track.

[0009] In some specific embodiments, a battery cylindrical surface adjustment mechanism is further included; at least one battery cylindrical surface adjustment mechanism is arranged in the surface roughening area, and / or in the surface printing area, and / or in a position between the surface roughening area and the surface printing area; The battery cylindrical surface adjustment mechanism includes a clamping mechanism and a transmission assembly. The clamping mechanism includes a plurality of clamping members respectively arranged on two sides in the extension direction of the magnetic suspension track, and the clamping members on the same side are connected by the transmission assembly. The clamping members are used to contact with the end face of the battery to be processed in the battery transport module and clamp the battery to be processed. A protruding structure is arranged on one side of the clamping member facing the magnetic suspension track, at least one clamping member is connected to a rotating driving member, and at least one clamping member is connected to a pushing cylinder.

[0010] In some specific embodiments, it further comprises a second conveying device and a final curing area and / or a battery testing area arranged along the second conveying device; The second conveying device is connected to the position behind the printing area on the upper surface of the first conveying device, or the second conveying device is arranged near the position behind the printing area on the upper surface of the first conveying device; The final curing area is provided with a final curing mechanism for curing all surfaces of the battery to be processed entering the final curing area; The battery inspection area includes an appearance inspection area and / or a coding inspection area; The appearance inspection area includes a uniformity inspection mechanism and / or a thickness inspection mechanism that is connected to the main control module in communication; The uniformity detection mechanism is used to detect whether the printing uniformity of the surface of the battery to be processed reaches a preset value, and set a screening label for the battery slot where the battery to be processed whose printing uniformity does not reach the preset value is located; the thickness detection mechanism is used to detect whether the thickness of the battery to be processed reaches a preset value, and set a screening label for the battery slot where the battery to be processed that does not reach the preset value is located; The inkjet code detection area includes an inkjet code scanning mechanism that is communicatively connected to the main control module; the inkjet code scanning mechanism is used to detect whether the inkjet code information of the battery to be processed is qualified, and set a screening label for the battery slot where the unqualified battery to be processed is located; It also includes a screening mechanism, which is arranged near the uniformity detection mechanism, and / or the thickness detection mechanism, and / or the inkjet scanning mechanism, and is used to identify the screening label and move the unprocessed batteries on the battery slot with the screening label out of the battery slot.

[0011] In some specific embodiments, a material transfer unit and a loading track are further included, and the material transfer unit includes a turntable base and a grabbing mechanism; Part of the material transfer unit is arranged between the loading track and the first conveying device; Part of the material transfer unit is arranged between the first conveying device and the second conveying device; The gripping mechanism is provided with multiple rows of clamps, which are arranged in conjunction with the battery slots of the battery transport module to clamp the batteries to be processed; the turntable base is connected to the gripping mechanism to drive the gripping mechanism to move between the loading track and the first conveying device, or between the first conveying device and the second conveying device.

[0012] In the second aspect, a method for automatically printing a battery insulating film is proposed, which is applied to any one of the automatic printing systems for battery insulating films in the aforementioned technical solutions, comprising: Identify the size of the battery to be processed on the battery transport module, obtain the model mark according to the size, or search the model mark in a preset database, and different model marks correspond to different battery processing parameters; Synchronize model marking to battery transport module, magnetic levitation track and each battery processing area; The battery transport module carries the battery to be processed along the magnetic suspension track through the surface roughening area to perform surface roughening operations on the preset area of ​​the battery to be processed; The battery transport module carries the batteries to be processed along the magnetic suspension track through the cleaning area, performs process detection on the batteries to be processed, identifies the preset areas of the batteries to be processed that have undergone roughening treatment, and performs plasma cleaning operations on the preset areas of the batteries to be processed that have passed the process detection; The battery transport module carries the batteries to be processed along the magnetic suspension track through the surface printing area, performs process detection on the batteries to be processed, identifies the preset areas where the batteries to be processed have been cleaned, and performs insulation film printing and pre-curing operations on the preset areas of the batteries to be processed that have passed the process detection in the surface printing area; The batteries to be processed are transported to the detection and confirmation area through a magnetic levitation track, the batteries to be processed are finally solidified, and the processing results of the batteries to be processed are detected.

[0013] In some specific embodiments, synchronizing the model marking to the battery transport module, the magnetic suspension track and each battery processing area includes: Set the model mark of the corresponding battery transport module through the main control module; Send the model mark and the battery processing parameters corresponding to the model mark to the magnetic suspension track, the surface roughening area, the cleaning area and the surface printing area; The magnetic suspension track adjusts the current frequency according to the battery processing parameters, and / or the adjustment device of the battery transport module adjusts the width and / or length of the battery slot according to the battery processing parameters; Each battery processing area identifies and updates the model mark of the corresponding battery transport module before the battery transport module enters; The laser in the surface texturing area adjusts the texturing treatment time, laser range, and / or laser intensity, and / or the distance between the laser and the first conveyor device according to the latest battery processing parameters; The plasma spray gun in the cleaning area adjusts the cleaning treatment time, cleaning range, and / or cleaning intensity, and / or the distance between the plasma spray gun and the first conveyor device according to the latest battery treatment parameters; The printing component in the surface printing area adjusts the printing time, and / or the printing range, and / or the printing intensity, and / or the pre-curing time, and / or the pre-curing range, and / or the pre-curing intensity according to the latest battery processing parameters; The battery transport module adjusts the moving speed along the magnetic suspension track into the surface roughening area, the cleaning area and the surface printing area according to the roughening treatment time, the cleaning treatment time, the printing time and the pre-curing time.

[0014] In a specific embodiment, multiple battery transport modules move along the magnetic suspension track, driving the batteries to be processed into the surface roughening area, the cleaning area and the surface printing area in turn, so as to process the batteries to be processed in turn. In actual applications, different battery processing areas have very different processing times for the batteries to be processed. By synchronizing the battery processing parameters with each battery processing area through the main control module, the speed of each battery transport module moving between different battery processing areas can be further flexibly adjusted.

[0015] In actual applications, there are situations where different batches of batteries to be processed are handed over during the production process. This will result in different battery transport modules carrying different types of batteries to be processed. When battery transport modules carrying different types of batteries to be processed are running on the same magnetic levitation track, the main control module obtains the battery processing parameters of the different types of batteries to be processed respectively, sets model tags for different battery processing modules according to different battery processing parameters, and synchronizes the different battery processing parameters to different battery processing areas.

[0016] In some specific embodiments, at least one induction detection unit connected to the main control module is further included, and the induction detection unit includes a visual sensor and / or an infrared sensor; the induction detection unit is arranged near each battery processing area, and is used to identify the model mark of the battery transport module entering the battery processing area.

[0017] In a specific embodiment, sensing detection units are respectively arranged near the entrances of the surface roughening area, the cleaning area and the surface printing area in the battery processing area. When the battery transport module carries the batteries to be processed and is about to enter the corresponding battery processing area, the sensing detection unit detects the model mark set by the main control module on the battery transport module. The sensing detection unit further synchronizes the latest recognized model mark to the corresponding battery processing area, and the battery processing area makes corresponding adaptability adjustments based on the latest model mark obtained.

[0018] As a result, it can better adapt to special situations such as each battery processing module simultaneously processing a small number of batches of different models of batteries to be processed, adapt to mixed-line production of multiple models of batteries, and effectively improve the flexibility of the system.

[0019] In a specific embodiment, the sensing detection unit not only identifies the model mark of the battery transportation module, but also performs process detection on the batteries to be processed in the battery processing module.

[0020] In some specific embodiments, the process detection includes: According to the processing procedure executed by the current battery processing area, it is detected whether the batteries to be processed in the current battery processing area meet the preset process requirements; The processing result detection of the battery to be processed includes: Detect whether the printing uniformity on the surface of the battery to be processed reaches a preset value, and set a screening label for the battery slot where the battery to be processed is located if the printing uniformity does not reach the preset value; Detect whether the thickness of the battery to be processed reaches a preset value, and set a screening label for the battery slot where the battery to be processed does not reach the preset value; Check whether the inkjet information of the battery to be processed is qualified, and set a screening label for the battery slot where the unqualified battery to be processed is located; The screening tag is sent to a screening agency; the screening tag is identified by the screening agency, and the battery to be processed on the battery slot with the screening tag is moved out of the battery slot.

[0021] Beneficial effects: This application proposes an automatic printing system and printing method for battery insulating film. By adopting a magnetic levitation track to transport the batteries to be processed, the transportation efficiency of materials can be effectively improved. By further cooperating with the surface roughening area, cleaning area and surface printing area in the battery processing area, the printing process of the insulating film on the surface of the battery can be completed efficiently and automatically, greatly improving the processing efficiency of the battery. Furthermore, the printing method is suitable for mixed-line production of batteries of different models. When processing batteries of different models, there is no need to spend time manually resetting the battery processing parameters. It has strong flexibility and a high level of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic top view of the overall structure of the automatic printing system in this application; Figure 2 A schematic top view of a portion of the structure of the automatic printing system in this application; Figure 3 It is a schematic top view of another part of the structure of the automatic printing system in this application; Figure 4 It is a schematic diagram of a partial three-dimensional structure of the magnetic levitation track in this application; Figure 5It is a partial three-dimensional structural schematic diagram of the first conveying device in this application; Figure 6 It is a partial side view structural schematic diagram of the magnetic levitation track in this application; Figure 7 It is a schematic diagram of the three-dimensional structure of the battery transport device in this application; Figure 8 This is a schematic diagram of the three-dimensional structure of the cylindrical texturing module in the system in this application; Fig. 9 It is a three-dimensional structural schematic diagram of the battery cylindrical surface adjustment mechanism in this application; Fig.10 It is a schematic diagram of the three-dimensional structure of the cleaning area in this application; Fig.11 This is a schematic diagram of the three-dimensional structure of the end-face printing module in this application; Fig.12 It is a schematic diagram of the three-dimensional structure of the cylindrical printing module in this application; Fig.13 It is a schematic diagram of the three-dimensional structure of the material transfer unit in this application; Fig.14 This is a schematic diagram of the three-dimensional structure of the position of the sensing detection unit in this application; Fig.15 It is a partial schematic diagram of the final curing area, appearance inspection area, and coding inspection area in this application; Fig.16 This is a schematic diagram of the brief connection relationship between the main control module and each module in this application; Fig.17 It is a modular schematic diagram of the automatic printing system in this application; Fig.18 Schematic diagram of the overall steps of the printing method in this application; Fig.19 A schematic diagram of some steps of the printing method in this application; Fig. 20 This is a schematic diagram of some steps of the printing method in this application.

[0024] Figure numerals: 1-main control module; 11-sensing detection unit; 2-first conveying device; 21-magnetic suspension track; 211-first engaging member; 212-second engaging member; 22-battery transport module; 221-fastening member; 23-battery slot; 24-adjusting device; 3-second conveying device; 4-surface roughening area; 41-cylindrical roughening module; 411-first frame; 412-first moving module; 413-laser; 42-end face roughening module; 5-cleaning area; 51-fixed frame; 52-plasma spray gun; 53-cylindrical cleaning module; 54-end face cleaning module; 6-surface printing area; 61-third frame ;62-third moving module;63-printing assembly;64-printing processing cover;65-printing head;66-pre-curing mechanism;67-cylinder printing module;68-end face printing module;71-final curing area;72-appearance detection area;721-uniformity detection mechanism;722-thickness detection mechanism;73-inking detection area;8-material transfer unit;81-feeding track;82-turntable base;83-grabbing mechanism;9-battery cylindrical adjustment mechanism;91-clamping mechanism;92-protruding structure;93-rotating drive member;94-pushing cylinder;10-battery to be processed;A-preset first direction;B-preset second direction. DETAILED DESCRIPTION

[0025] Hereinafter, various embodiments disclosed in the present application will be described more fully. The present application may have various embodiments, and adjustments and changes may be made therein. However, it should be understood that there is no intention to limit the various embodiments disclosed in the present application to the specific embodiments disclosed herein, but the present application should be understood to cover all adjustments, equivalents and / or alternatives falling within the spirit and scope of the various embodiments disclosed in the present application.

[0026] The terms used in the various embodiments disclosed in the present application are only used to describe the purpose of specific embodiments and are not intended to limit the various embodiments disclosed in the present application. As used herein, the singular form is intended to also include the plural form, unless the context clearly indicates otherwise. Unless otherwise specified, all terms used here (including technical terms and scientific terms) have the same meaning as the meanings commonly understood by ordinary technicians in the field of various embodiments disclosed in the present application. Terms (such as terms defined in generally used dictionaries) will be interpreted as having the same meaning as the contextual meaning in the relevant technical field and will not be interpreted as having an idealized meaning or an overly formal meaning, unless clearly defined in the various embodiments disclosed in the present application.

[0027] Example 1 Example 1 of the present application discloses a battery insulation film automatic printing system, and the specific scheme is as follows: A battery insulation film automatic printing system, comprising: a main control module 1, and a first conveying device 2 and a battery processing area that are communicatively connected to the main control module 1, wherein the battery processing area comprises a surface roughening area 4, a cleaning area 5 and a surface printing area 6; The first conveying device 2 includes at least one magnetic suspension track 21, on which at least one battery transport module 22 is arranged; the battery transport module 22 is provided with a plurality of battery slots 23 for placing the batteries 10 to be processed; The battery slot 23 is provided with an adjustment device 24 for adjusting the width and / or length of the battery slot 23 according to the battery processing parameters of the battery 10 to be processed obtained by the main control module 1; specifically, the battery transport module 22 is as follows: Figure 7 shown.

[0028] The magnetic suspension track 21 passes through the surface roughening area 4, the cleaning area 5 and the surface printing area 6 in sequence. The battery transport module 22 is used to move along the magnetic suspension track 21 to drive the battery 10 to be processed to pass through the surface roughening area 4, the cleaning area 5 and the surface printing area 6. The overall structure is as follows Figure 1 , Figure 2 as well as Figure 3 shown.

[0029] In a specific embodiment, the magnetic suspension track 21 includes a track member, a first engaging member 211 disposed along the track member and protruding in a preset first direction relative to the surface of the track member, and a second engaging member 212 protruding in a preset second direction relative to the surface of the track member, wherein an angle is formed between the first direction and the second direction. A buckle 221 that matches the first engaging member 211 and the second engaging member 212 is disposed on one side of the battery transport module 22 facing the magnetic suspension track 21.

[0030] In a specific embodiment, the first direction is parallel to the plane where the track member is located, and the second direction is perpendicular to the plane where the track member is located, thereby limiting the movement of the track member toward the battery transport module 22 from different directions, which can effectively prevent the battery transport module 22 from escaping from the track member during transportation, thereby ensuring the stability of the battery transport module 22 during movement. In actual applications, the movement speed of the battery transport module 22 on the magnetic levitation track 21 can reach 2m / s. A magnetic structure 213 is provided between the battery transport module 22 and the corresponding first engaging member 211 and the second engaging member 212 on the track member, so that a mutually repelling magnetic field is formed between the battery transport module 22 and the track member, thereby realizing magnetic levitation transmission of the battery transport module 22, as shown in FIG. Figure 4 , Figure 5 and Figure 6 shown.

[0031] The first direction is Figure 4 and Figure 6 As shown in direction A, the second direction is as Figure 4 and Figure 6 As shown in direction B.

[0032] By providing engaging parts protruding in different directions, the battery transport module 22 can be engaged with the magnetic levitation track 21 from multiple directions, thereby further improving the stability of the battery transport module 22 moving on the magnetic levitation track 21.

[0033] In some specific embodiments, a cylindrical surface texturing module 41 and / or an end surface texturing module 42 are provided in the surface texturing area 4; The cylindrical texturing module 41 includes a first frame 411, a first moving module 412 and a laser 413; the laser 413 is movably connected to the first frame 411 through the first moving module 412, and the laser 413 is arranged at a position above the corresponding magnetic suspension track 21; The first moving module 412 is used to drive the laser 413 to approach or move away from the cylindrical surface of the battery 10 to be processed in the battery transport module 22; The end surface texturing module 42 includes a second frame, a second moving module and a laser 413; the end surface laser 413 is arranged on one side or corresponding two sides in the extension direction of the magnetic suspension track 21; The laser module is movably connected to the second frame through the second movable module; the second movable module is used to drive the end surface laser 413 to approach or move away from the end surface of the battery 10 to be processed in the battery transportation module 22.

[0034] In practical applications, the first moving module 412, and / or the second moving module, and / or the third moving module 62 may include a vertical movement mechanism for driving the laser 413 in the vertical direction and a horizontal movement mechanism for driving the laser 413 in the horizontal direction, thereby flexibly adjusting the relative position of the laser 413 and the battery 10 to be processed on the battery transport module 22.

[0035] In some specific embodiments, a third frame 61, a third moving module 62 and a printing assembly 63 are disposed in the surface printing area 6; At least one group of printing components 63 is connected to the third frame 61 in a linearly movable and / or rotatable manner through the third moving module 62; the printing component 63 includes a printing head 65 and a pre-curing mechanism 66 arranged adjacently; A printing processing cover 64 is connected to part or all of the printing assembly 63, and an opening for the battery transport module 22 to enter is provided on the printing processing cover 64, and the printing head 65 and the pre-curing mechanism 66 are exposed relative to the inner side wall of the printing processing cover 64; The printing head 65 is used to print on the cylindrical surface and / or end surface of the battery 10 to be processed that enters the printing processing cover 64 ; the pre-curing mechanism 66 is used to pre-curing the battery 10 to be processed after printing in the printing processing cover 64 .

[0036] Specifically, according to whether the printing head 65 in the printing assembly 63 is set to correspond to the cylindrical surface or the end surface of the battery 10 to be processed, the surface printing area 6 can be divided into a cylindrical printing module 67 and an end surface printing module 68. Fig.11 The end printing module 68 and Fig.12 As shown in the cylindrical printing module 67.

[0037] By arranging the pre-curing mechanism 66 near the printing head 65, the printing head 65 can immediately perform a surface pre-curing after printing a part of the area of ​​the battery 10 to be processed, so that the coating on the surface of the battery 10 to be processed can quickly form a preliminary cross-linked structure to prevent the coating from being washed away or deformed during subsequent printing. In practical applications, the printing head 65 adjusts the angle relative to the printing processing cover 64 shell, and the battery 10 to be processed passes through multiple printing heads 65 and pre-curing mechanisms 66 in sequence, and can be printed and pre-cured multiple times. The coating thickness of each printing can be accurately controlled. For areas and structures on the surface of the battery 10 to be processed that are difficult to be coated at one time, different printing heads 65 can be adjusted to different angles to complete the complete coverage of the surface of the battery 10 to be processed, thereby improving the film integrity of the insulating film. By stacking multiple layers of insulating film and curing them in stages, the insulation withstand voltage strength of the battery can be effectively improved.

[0038] In practical applications, the printing assembly 63 further includes at least one material bin connected to the printing head 65, and the material bin is used to store the printing material of the battery insulation film.

[0039] In some specific embodiments, Fig.10 As shown, a fixed frame 51 and a plasma spray gun 52 are provided in the cleaning area 5; Part or all of the fixed frame 51 is arranged above the magnetic levitation track 21; one end of the plasma spray gun 52 is movably arranged on the fixed frame 51, and the other end is arranged toward the top of the magnetic levitation track 21 or on both sides of the magnetic levitation track 21, and is used to perform plasma cleaning operations on the cylindrical surface and / or side surface of the battery 10 to be processed on the magnetic levitation track 21.

[0040] By using plasma to treat the surface of the battery 10 to be treated, dust and organic matter on the battery surface can be efficiently removed, and the surface activity and adhesion of the battery can be improved. Plasma can evenly cover complex curved surfaces and is suitable for surface treatment of batteries. The treatment intensity and treatment area can be precisely controlled to meet the cleaning requirements of batteries 10 to be treated of different models and shapes. At the same time, plasma cleaning does not require the use of chemical solvents, thus avoiding chemical residues and wastewater treatment problems that may be caused by traditional cleaning methods, which is in line with the trend of green production.

[0041] In a specific embodiment, the modules in the cleaning area 5 can be divided into a cylindrical cleaning module 53 for the cylindrical surface of the battery 10 to be processed and an end surface cleaning module 54 for the end surface of the battery 10 to be processed according to the orientation position of the plasma spray gun, so as to clean the cylindrical surface and end surface of the battery 10 to be processed from different directions respectively.

[0042] It should be noted that the present embodiment does not specifically limit the number of surface roughening areas 4, cleaning areas 5 and surface printing areas 6, and the number of specific equipment components between the areas, and the user can flexibly adjust this according to actual conditions. In a specific embodiment, two cylindrical printing modules 67 and end surface printing modules 68 are respectively arranged in the surface printing area 6, so that at least two printings and at least two pre-curings are performed on the same battery 10 to be processed, which can effectively improve the printing effect of the insulating film, optimize the insulating effect of the insulating film, and improve the processing quality of the battery to be processed.

[0043] In some specific embodiments, Fig. 9 As shown, it also includes a battery cylindrical surface adjustment mechanism 9; at least one battery cylindrical surface adjustment mechanism 9 is arranged in the surface roughening area 4, and / or in the surface printing area 6, and / or at a position between the surface roughening area 4 and the surface printing area 6; The battery cylindrical surface adjustment mechanism 9 includes a clamping mechanism 91 and a transmission assembly. The clamping mechanism 91 includes a plurality of clamping members respectively arranged on both sides of the extension direction of the magnetic suspension track 21. The clamping members on the same side are connected by the transmission assembly. The clamping members are used to contact with the end surface of the battery 10 to be processed in the battery transport module 22 and clamp the battery 10 to be processed. A protrusion structure 92 is provided on the side of the clamping member facing the magnetic suspension track 21, a rotating driving member 93 is connected to at least one clamping member, and a pushing cylinder 94 is connected to at least one clamping member. The specific structure of the battery cylindrical surface adjustment mechanism 9 arranged in the surface roughening area 4 is as follows Figure 8 As shown, in actual application, by providing a protruding structure 92 on the clamping member, the friction force between the clamping member and the end surface of the battery 10 to be processed can be increased.

[0044] In some specific embodiments, Fig.15As shown, it also includes a second conveying device 3 and a final curing area 71 and / or a battery testing area arranged along the second conveying device 3; The second conveying device 3 is connected to a position behind the upper surface printing area 6 of the first conveying device 2, or the second conveying device 3 is arranged close to a position behind the upper surface printing area 6 of the first conveying device 2; The final curing area 71 is provided with a final curing mechanism for curing all surfaces of the battery 10 to be processed entering the final curing area 71; The battery inspection area includes an appearance inspection area 72 and / or a coding inspection area 73; The appearance detection area 72 includes a uniformity detection mechanism 721 and / or a thickness detection mechanism 722 that is communicatively connected to the main control module 1; The uniformity detection mechanism 721 is used to detect whether the printing uniformity of the surface of the battery 10 to be processed reaches a preset value, and set a screening label for the battery slot 23 where the battery 10 to be processed whose printing uniformity does not reach the preset value is located; the thickness detection mechanism 722 is used to detect whether the thickness of the battery 10 to be processed reaches a preset value, and set a screening label for the battery slot 23 where the battery 10 to be processed that does not reach the preset value is located; The inkjet detection area 73 includes an inkjet scanning mechanism that is communicatively connected to the main control module 1; the inkjet scanning mechanism is used to detect whether the inkjet information of the battery to be processed 10 is qualified, and set a screening label for the battery slot 23 where the unqualified battery to be processed 10 is located; It also includes a screening mechanism, which is arranged near the uniformity detection mechanism 721, and / or the thickness detection mechanism 722, and / or the inkjet scanning mechanism, and is used to identify the screening label and move the battery 10 to be processed on the battery slot 23 with the screening label out of the battery slot 23.

[0045] Specifically, a schematic diagram of the connection relationship between the main control module 1 and each component is shown in FIG. Fig.16 shown.

[0046] In some specific embodiments, a material transfer unit 8 and a loading track 81 are further included, and the material transfer unit 8 includes a turntable base 82 and a grabbing mechanism 83; The partial material transfer unit 8 is arranged between the loading track 81 and the first conveying device 2; the partial material transfer unit 8 is arranged between the first conveying device 2 and the second conveying device 3; The gripping mechanism 83 is provided with multiple rows of clamps, which are arranged in cooperation with the battery slots 23 of the battery transport module 22 to grip the batteries 10 to be processed; the turntable base 82 is connected to the gripping mechanism 83 to drive the gripping mechanism 83 to move between the loading track 81 and the first conveyor 2, or between the first conveyor 2 and the second conveyor 3. The specific structure of the material transfer unit 8 can be as follows Fig.13 shown.

[0047] In actual applications, the magnetic levitation track 21 in the first conveyor 2 is a closed circular track. After each battery processing area completes the processing of the battery 10 to be processed, the battery needs to be further transported to the final curing area 71 and the appearance inspection area 72 for the next step of inspection. In a specific embodiment, the final curing area 71 and the appearance inspection area 72 are arranged on the second conveyor 3. The second conveyor 3 may include a magnetic levitation track 21 or an ordinary track. At this time, the battery 10 to be processed in the battery transport module 22 in the first conveyor 2 can be clamped by the clamping mechanism 91 of the material transfer unit 8, and then the battery 10 to be processed can be placed on the second conveyor 3 for further processing. Among them, the overall module diagram of the automatic printing system and the moving direction of the battery 10 to be processed in the automatic printing system are shown in the figure. Fig.17 shown.

[0048] The present embodiment provides a battery insulating film automatic printing system and printing method. By adopting a magnetic levitation track to transport the batteries to be processed, the material transportation efficiency can be effectively improved. By further cooperating with the surface roughening area, cleaning area and surface printing area in the battery processing area, the battery transportation module can automatically and stably operate between the battery processing areas and complete the insulating film printing process, which can greatly improve the production processing efficiency and automation level of the battery.

[0049] Example 2 Embodiment 2 of the present application discloses an automatic printing method for a battery insulating film, which is applied to any automatic printing system for a battery insulating film in Embodiment 1, and comprises: S100, identifying the size of the battery 10 to be processed on the battery transport module 22, obtaining a model mark according to the size, or searching the model mark in a preset database, where different model marks correspond to different battery processing parameters; S200, synchronously sending the model mark to the battery transport module 22, the magnetic suspension track 21 and each battery processing area; S300, the battery transport module 22 carries the battery to be processed 10 along the magnetic suspension track 21 through the surface roughening area 4 to perform a surface roughening operation on a preset area of ​​the battery to be processed 10; S400, the battery transport module 22 carries the battery 10 to be processed along the magnetic suspension track 21 through the cleaning area 5, performs process detection on the battery 10 to be processed, identifies the preset area of ​​the battery 10 to be processed that has undergone the roughening treatment, and performs plasma cleaning operation on the preset area of ​​the battery 10 to be processed that passes the process detection; S500, the battery transport module 22 carries the battery 10 to be processed along the magnetic suspension track 21 through the surface printing area 6, performs process detection on the battery 10 to be processed, identifies the preset area of ​​the battery 10 to be processed that has been cleaned, and performs insulation film printing and pre-curing operations on the preset area of ​​the battery 10 to be processed that has passed the process detection in the surface printing area 6; S600 , transporting the battery 10 to be processed to the detection and confirmation area via the magnetic suspension track 21 , final curing the battery 10 to be processed, and detecting the processing result of the battery 10 to be processed.

[0050] The specific schematic diagrams of each step are as follows: Fig.18 In practical applications, the battery that has passed the detection confirmation area and completed the processing result detection has successfully completed the processing procedure of automatic printing of the insulating film and can proceed to the next step of other processes.

[0051] The battery processing parameters may include the processing requirements of each battery processing area of ​​the battery 10 to be processed, such as the surface roughening area, the roughening degree, the thickness of the printed insulation film, and the printing time.

[0052] In some specific embodiments, Fig.19 As shown, step S200 specifically includes: S210, setting a model mark for the corresponding battery transport module 22 through the main control module 1; S220, sending the battery processing parameters and the model mark corresponding to the model mark to the magnetic suspension track 21, the surface roughening area 4, the cleaning area 5 and the surface printing area 6; S230, the magnetic suspension track 21 obtains the corresponding battery processing parameters according to the model mark, adjusts the current frequency according to the battery processing parameters, and / or the adjustment device 24 of the battery transportation module 22 adjusts the width and / or length of the battery slot 23 according to the battery processing parameters; S240, each battery processing area identifies and updates the model mark of the corresponding battery transportation module 22 before the battery transportation module 22 enters; S250, the laser 413 in the surface texturing area 4 adjusts the texturing treatment time, laser range, and / or laser intensity, and / or the distance between the laser 413 and the first conveying device 2 according to the latest battery processing parameters; S260, the plasma spray gun 52 in the cleaning area 5 adjusts the cleaning treatment time, cleaning range, and / or cleaning intensity, and / or the distance between the plasma spray gun 52 and the first conveyor 2 according to the latest battery processing parameters; S270, the printing component 63 in the surface printing area 6 adjusts the printing time, and / or the printing range, and / or the printing intensity, and / or the pre-curing time, and / or the pre-curing range, and / or the pre-curing intensity according to the latest battery processing parameters; S280, the battery transport module 22 adjusts the moving speed along the magnetic suspension track 21 into the surface roughening area 4, the cleaning area 5 and the surface printing area 6 according to the roughening treatment time, the cleaning treatment time, the printing time and the pre-curing time.

[0053] In a specific embodiment, the main control module 1 includes a host computer, which sets a model mark for the battery transport module 22 through the main control module 1, so that the battery transport module 22 can intelligently adjust the moving speed on the magnetic levitation track 21 according to the battery processing parameters corresponding to the model mark and the processing time of each battery processing area. In actual applications, the moving speed of the battery transport module 22 on the magnetic levitation track 21 can reach 2m / s.

[0054] In a specific embodiment, multiple battery transport modules 22 move along the magnetic suspension track 21, and drive the battery 10 to be processed to enter the surface roughening area 4, the cleaning area 5 and the surface printing area 6 in turn, so as to process the battery 10 in turn. In actual applications, different battery processing areas have different processing times for the battery 10 to be processed. The main control module 1 synchronizes the battery processing parameters with each battery processing area, and can further flexibly adjust the speed of each battery transport module 22 moving between different battery processing areas.

[0055] In actual applications, there are situations where different batches of batteries 10 to be processed are handed over during the production process, which will result in different battery transport modules 22 carrying different types of batteries 10 to be processed. When battery transport modules 22 carrying different types of batteries 10 to be processed are running on the same magnetic levitation track 21, the main control module 1 obtains the battery processing parameters of the different types of batteries 10 to be processed respectively, and the main control module 1 sets model marks for different battery processing modules according to different battery processing parameters, and synchronizes the different battery processing parameters to different battery processing areas.

[0056] In some specific embodiments, at least one induction detection unit 11 connected to the main control module 1 is further included. The induction detection unit 11 includes a visual sensor and / or an infrared sensor. The induction detection unit 11 is arranged near each battery processing area to identify the model mark of the battery transport module 22 entering the battery processing area. Specifically, the setting position of the induction detection unit 11 is as follows: Fig.14 shown.

[0057] In a specific embodiment, sensing detection units 11 are respectively arranged near the entrances of the surface roughening area 4, the cleaning area 5 and the surface printing area 6 in the battery processing area. When the battery transportation module 22 carries the battery 10 to be processed and is about to enter the corresponding battery processing area, the sensing detection unit 11 detects the model mark set by the main control module 1 on the battery transportation module 22. The sensing detection unit 11 further synchronizes the latest identified model mark to the corresponding battery processing area, and the battery processing area makes corresponding adaptive adjustments to the operating characteristics of each component in the processing area according to the latest model mark obtained.

[0058] Therefore, it is possible to better adapt to the special situation that each battery processing module processes a small number of batches of different types of batteries 10 at the same time, adapt to the mixed production of multiple types of batteries, and effectively improve the flexibility of the system. Further, it can also reduce the time spent on the connection process of different batches of different types of batteries.

[0059] In a specific embodiment, the sensing detection unit 11 not only identifies the model mark of the battery transportation module 22, but also performs process detection on the battery to be processed 10 in the battery processing module.

[0060] In some specific embodiments, the process detection includes: According to the processing procedure executed by the current battery processing area, detecting whether the battery 10 to be processed in the current battery processing area meets the preset process requirements; In a specific embodiment, a screening mechanism is provided near each battery processing area. When the battery 10 to be processed in the battery processing area does not meet the preset process requirements, the screening mechanism obtains the position of the battery slot 23 where the battery 10 to be processed that does not meet the preset process requirements is located from the induction detection unit 11, so as to remove the battery 10 to be processed from the battery slot 23 of the battery transport module 22. Specifically, each battery slot 23 in the battery transport module 22 corresponds to a battery slot 23 number, and the screening mechanism can locate the battery 10 to be processed in the battery slot 23 according to the battery slot 23 number.

[0061] like Fig. 20 As shown, the processing result detection of the battery 10 to be processed includes: S410, detecting whether the printing uniformity on the surface of the battery 10 to be processed reaches a preset value, and setting a screening label for the battery slot 23 where the battery 10 to be processed whose printing uniformity does not reach the preset value is located; S420, detecting whether the thickness of the battery 10 to be processed reaches a preset value, and setting a screening label for the battery slot 23 where the battery 10 to be processed that does not reach the preset value is located; S430, detecting whether the inkjet information of the battery 10 to be processed is qualified, and setting a screening label for the battery slot 23 where the unqualified battery 10 to be processed is located; S440, sending the screening tag to the screening mechanism; the screening mechanism identifies the screening tag and moves the unprocessed battery 10 on the battery slot 23 with the screening tag out of the battery slot 23.

[0062] By detecting the inkjet information of the battery 10 to be processed and setting a screening label on the battery slot 23 where the unqualified battery 10 to be processed is located, the position of the battery 10 to be processed with problems can be accurately located, so that the screening mechanism can accurately and quickly identify and remove the battery 10 to be processed. In practical applications, the screening mechanism can be a manipulator or a mechanical clamping mechanism, or it can be a gripping mechanism that is the same as the material transfer unit. At the same time, the screening mechanism can quickly adjust its own clamping size according to the model label of the battery 10 to be processed to match the battery 10 to be processed.

[0063] The present embodiment provides a method for printing a battery insulating film. By adopting a magnetic levitation track to transport batteries to be processed, the transportation efficiency of materials can be effectively improved. By flexibly setting the model labels of the batteries to be processed and the corresponding battery processing parameters, the transportation of the battery transportation module and the surface roughening area, cleaning area and surface printing area in the battery processing area are coordinated with each other, which can greatly improve the production and processing efficiency of the battery. Furthermore, it is more suitable for mixed-line production of batteries of different models and has strong flexibility.

[0064] Those skilled in the art will appreciate that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, and the modules or processes in the accompanying drawings are not necessarily necessary for the implementation of the present application. Those skilled in the art will appreciate that the modules in the devices in the implementation scenario can be distributed in the devices of the implementation scenario according to the description of the implementation scenario, or can be changed accordingly and located in one or more devices different from the present implementation scenario. The modules of the above-mentioned implementation scenarios can be combined into one module, or can be further split into multiple sub-modules. The above-mentioned serial numbers of this application are only for description and do not represent the pros and cons of the implementation scenarios. The above disclosure is only a few specific implementation scenarios of the present application, but the present application is not limited thereto, and any changes that can be thought of by a technician in this field should fall within the scope of protection of the present application.

Claims

1. A battery insulation film automatic printing system, characterized in that: include: A main control module, and a first conveying device and a battery processing area communicatively connected to the main control module, wherein the battery processing area includes a surface roughening area, a cleaning area, and a surface printing area; The first conveying device comprises at least one magnetic suspension track, on which at least one battery transport module is arranged; the battery transport module is provided with a plurality of battery slots for placing batteries to be processed; The magnetic levitation track sequentially passes through the surface roughening area, the cleaning area and the surface printing area, and the battery transport module is used to move along the magnetic levitation track to drive the battery to be processed to pass through the surface roughening area to perform a surface roughening operation on the battery to be processed, pass through the cleaning area to perform a cleaning operation on the battery to be processed, and pass through the surface printing area to perform a surface printing operation on the battery to be processed; The magnetic levitation track includes a track member, a first engaging member arranged along the track member and protruding in a preset first direction relative to the surface of the track member, and a second engaging member protruding in a preset second direction relative to the surface of the track member, and an angle is formed between the first direction and the second direction.

2. The battery insulation film automatic printing system according to claim 1, characterized in that: The surface texturing area is provided with a cylindrical texturing module and / or an end surface texturing module; The cylindrical surface texturing module comprises a first frame, a first moving module and a laser; the laser is movably connected to the first frame through the first moving module, and the laser is arranged at a position corresponding to the position above the magnetic suspension track; The first moving module is used to drive the laser to approach or move away from the cylindrical surface of the battery to be processed in the battery transport module; The end surface texturing module includes a second frame, a second moving module and a laser; the end surface laser is arranged on one side or corresponding two sides in the extension direction of the magnetic suspension track; The laser module is movably connected to the second frame through the second movable module; the second movable module is used to drive the end surface laser to approach or move away from the end surface of the battery to be processed in the battery transportation module.

3. The battery insulation film automatic printing system according to claim 1, characterized in that: A fixed frame and a plasma spray gun are arranged in the cleaning area; Part or all of the fixed frame is arranged above the magnetic levitation track; one end of the plasma spray gun is movably arranged on the fixed frame, and the other end is arranged toward the top of the magnetic levitation track or on both sides of the magnetic levitation track, so as to perform plasma cleaning operations on the cylindrical surface and / or side surface of the battery to be processed on the magnetic levitation track.

4. The battery insulation film automatic printing system according to claim 1, characterized in that: The surface printing area is provided with a third frame, a third moving module and a printing assembly; At least one group of the printing components is connected to the third frame body in a linearly movable and / or rotatable manner through the third movable module; the printing components include a printing head and a pre-curing mechanism arranged adjacent to each other; A printing processing cover is connected to part or all of the printing components, the printing processing cover is provided with an opening for the battery transport module to enter, and the printing head and the pre-curing mechanism are exposed relative to the inner side wall of the printing processing cover; The printing head is used to print on the cylindrical surface and / or end surface of the battery to be processed that enters the printing processing cover; the pre-curing mechanism is used to pre-curing the battery to be processed after printing in the printing processing cover.

5. The battery insulation film automatic printing system according to claim 1, characterized in that: It also includes a battery cylindrical surface adjustment mechanism; at least one of the battery cylindrical surface adjustment mechanisms is arranged in the surface roughening area, and / or in the surface printing area, and / or in a position between the surface roughening area and the surface printing area; The battery cylindrical surface adjustment mechanism includes a clamping mechanism and a transmission assembly. The clamping mechanism includes a plurality of clamping members respectively arranged on two sides of the extension direction of the magnetic suspension track, and the clamping members on the same side are connected by the transmission assembly. The clamping members are used to contact with the end surface of the battery to be processed in the battery transport module and clamp the battery to be processed. At least one of the clamping members is connected to a rotary driving member, and at least one of the clamping members is connected to a pushing cylinder.

6. The battery insulation film automatic printing system according to claim 1, characterized in that: Also includes a second conveying device and a final curing area and / or a battery testing area arranged along the second conveying device; The second conveying device is connected to a position behind the surface printing area on the first conveying device, or the second conveying device is arranged close to a position behind the surface printing area on the first conveying device; The final curing area is provided with a final curing mechanism for curing all surfaces of the battery to be processed entering the final curing area; The battery inspection area includes an appearance inspection area and / or a coding inspection area; The appearance detection area includes a uniformity detection mechanism and / or a thickness detection mechanism that is communicatively connected to the main control module; The uniformity detection mechanism is used to detect whether the printing uniformity of the surface of the battery to be processed reaches a preset value, and set a screening label for the battery slot where the battery to be processed whose printing uniformity does not reach the preset value is located; the thickness detection mechanism is used to detect whether the thickness of the battery to be processed reaches a preset value, and set the screening label for the battery slot where the battery to be processed that does not reach the preset value is located; The inkjet code detection area includes an inkjet code scanning mechanism that is communicatively connected to the main control module; the inkjet code scanning mechanism is used to detect whether the inkjet code information of the battery to be processed is qualified, and to set the screening label for the battery slot where the unqualified battery to be processed is located; It also includes a screening mechanism, which is arranged close to the uniformity detection mechanism, and / or the thickness detection mechanism, and / or the inkjet scanning mechanism, and is used to identify the screening label and move the unprocessed batteries on the battery slot with the screening label out of the battery slot.

7. The battery insulation film automatic printing system according to claim 6, characterized in that: It also includes a material transfer unit and a loading track, wherein the material transfer unit includes a turntable base and a grabbing mechanism; Part of the material transfer unit is arranged between the loading track and the first conveying device; part of the material transfer unit is arranged between the first conveying device and the second conveying device; The gripping mechanism is provided with multiple rows of clamps, and the clamps are arranged in conjunction with the battery slots of the battery transport module for clamping the batteries to be processed; the turntable base is connected to the gripping mechanism, and is used to drive the gripping mechanism to move between the loading track and the first conveying device, or between the first conveying device and the second conveying device.

8. A method for automatically printing a battery insulating film, characterized in that: The automatic printing system for battery insulating film as claimed in any one of claims 1 to 7 comprises: Identify the size of the battery to be processed on the battery transport module, obtain a model mark according to the size, or search for the model mark in a preset database, different model marks correspond to different battery processing parameters; Synchronize the model marking to the battery transport module, the magnetic levitation track and each of the battery processing areas; The battery transport module carries the battery to be processed along the magnetic suspension track through the surface roughening area to perform a surface roughening operation on a preset area of ​​the battery to be processed; The battery transport module carries the battery to be processed along the magnetic suspension track through the cleaning area, performs process detection on the battery to be processed, identifies the preset area of ​​the battery to be processed that has undergone the roughening treatment, and performs plasma cleaning operation on the preset area of ​​the battery to be processed that passes the process detection; The battery transport module carries the battery to be processed along the magnetic suspension track through the surface printing area, performs the process detection on the battery to be processed, identifies the preset area where the battery to be processed has been cleaned, and performs the insulation film printing and pre-curing operations on the preset area of ​​the battery to be processed that has passed the process detection in the surface printing area; The batteries to be processed are transported to the detection and confirmation area through the magnetic suspension track, the batteries to be processed are finally solidified, and the processing results of the batteries to be processed are detected.

9. The automatic printing method of a battery insulating film according to claim 8, characterized in that: The step of synchronously moving the model mark to the battery transport module, the magnetic suspension track and each of the battery processing areas comprises: Setting the model mark on the corresponding battery transportation module through the main control module; Sending the battery processing parameters corresponding to the model mark and the model mark to the magnetic levitation track, the surface roughening area, the cleaning area and the surface printing area; The magnetic suspension track adjusts the current frequency according to the battery processing parameters; Each of the battery processing areas identifies and updates the model mark of the corresponding battery transport module before the battery transport module enters; The laser in the surface texturing area adjusts the texturing treatment time, laser range, and / or laser intensity, and / or the distance between the laser and the first conveying device according to the latest battery processing parameters; The plasma spray gun in the cleaning area adjusts the cleaning treatment time, cleaning range, and / or cleaning intensity, and / or the distance between the plasma spray gun and the first conveying device according to the latest battery treatment parameters; The printing component in the surface printing area adjusts the printing time, and / or the printing range, and / or the printing intensity, and / or the pre-curing time, and / or the pre-curing range, and / or the pre-curing intensity according to the latest battery processing parameters; The battery transport module adjusts the moving speed along the magnetic levitation track into the surface roughening area, the cleaning area and the surface printing area according to the roughening treatment time, the cleaning treatment time, the printing time and the pre-curing time.

10. The automatic printing method of a battery insulating film according to claim 8, characterized in that: The process detection includes: Detecting whether the batteries to be processed in the current battery processing area meet the preset process requirements according to the processing process currently executed in the battery processing area; The processing result detection of the battery to be processed comprises: Detecting whether the printing uniformity on the surface of the battery to be processed reaches a preset value, and setting a screening label for the battery slot where the battery to be processed is located if the printing uniformity does not reach the preset value; Detecting whether the thickness of the battery to be processed reaches a preset value, and setting the screening label for the battery slot where the battery to be processed that does not reach the preset value is located; Detecting whether the coding information of the battery to be processed is qualified, and setting the screening label for the battery slot where the unqualified battery to be processed is located; The screening label is sent to the screening mechanism; the screening label is identified by the screening mechanism, and the battery to be processed on the battery slot with the screening label is moved out of the battery slot.

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