Double Working Station Auto Stacking Machine

Double Working Station Auto Stacking Machine Ⅰ、Equipment Introduction： 1.1 Equipment overview This equipment is mainly used for Z-shaped stacking of  lithium-ion power battery cells. 1.2 Workflow The separator is actively unwinded and introduced into the stacking table through the tension mechanism; The sacking table drives the separator  to move back and forth to place the electrode The positive/negative electrodes are stacked first, and the two sets of manipulator suction cups take the positive and negative plates out of the two boxes on the left, and stack them on the stacking table after accurate positioning; After the stacking is completed, the stacks is transferred to the tail roll gluing station by the manipulator, the  separator is cut off, and the gluing is automatically applied; At the same time, the automatic stacking of the next cell is started.   1.3 Equipment features 1.3.1 Separator: active unwinding; separator deviation correction; separator alignment accuracy ± 0.3mm;  1.3.2 High accuracy: through the precise positioning of the electrode, the overall accuracy of the electrode in the stacking is guaranteed to be ± 0.3mm;  1.3.3 High efficiency: double working station speed can reach 0.5s-0.8s/Pcs;  1.3.4 Dust protection: the material box and pre-positioning are equipped with effective dust protection mechanism;  1.3.5 Reliability: positioning pins are fixed on the high-precision and frequently moving modules of the equipment;  1.3.6 Multi-piece leakage protection: leakage detection protection; Multi-plate prevention mechanism; Multi-chip detection mechanism can effectively prevent multiple pieces from overlapping into the core.  1.3.7 Detection of tab missing angle to prevent tab pulling and missing angle from falling into the core.  1.3.8 Stacking and blanking of cell(single blanking can be performed by manipulator) Ⅱ、Standard Composition and Function Description:   SN Component Qty Description 1 Rack base plate 3 Provide support and installation basis for equipment   2   Automatic feeding module of material box   4 Plug-in special material box; Four sets of positive and negative electrodes, adjustable range; Ensure that the manipulator can reliably draw the electrode; Automatic shutdown alarm for material shortage 3 Electrode feeding auxiliary module 4 Brush and shaking mechanism; Air blowing and dust suction device; Anti-multipartite 4 Separator unwinding module 2 Automatic unwinding of separator, constant tension, adjustable size, and overall deviation correction of unwinding;     5     Stacking manipulator module     4 Servo drive ensures that the manipulator can grasp and release the pole piece reliably; Feeding box servo reclaiming; Mechanical precise positioning; It is also equipped with a dust suction mechanism and ultrasonic thickness detection to prevent multiple pieces from entering the cell;   6   Stacking table module   2 Servo drive lamination table translation and lifting: precision ball screw realizes lamination table reciprocating movement 7 Manipulator conveying module 1 The manipulator automatically transfers the cell 8 Separator cut-off module 2 One set of hot cutter mechanism, cut after determining the length of tail coil   9   Tape side sticking module   1 The position and quantity of gluing around the side (including the middle of the pole lug) can be set 10 Automatic blanking module 1 The cells are automatically stacked and unloaded, and taken away in batches to reduce the immediate demand for labor 11 Electrical operating system 1 Use touch screen operation, with emergency stop, power switch and other buttons 12 Navar 1 Electrical appliances and gas circuits are installed inside the equipment to save space and facilitate maintenance 13 Dust cover 1 1 set of aluminum alloy plexiglass cover with interlock switch   2.1、Rack base plate Function: provide uniform installation plane and installation reference for all moving parts.  Structure: The frame is welded with high-strength square steel pipe, the installation surface is milled, and the surface is painted. The base plate is made of carbon steel plate, the surface is processed by grinding machine, and the surface is chrome plated. 2.2、Automatic feeding module of material box Function: plug-in special material box; Four sets of cathode and anode electrodes, adjustable range; Plug-in special material box; Four sets of cathode and anode electrodes, adjustable range; Ensure that the manipulator can reliably draw the electrode; Automatic shutdown alarm for material shortage. 2.3、Electrode feeding auxiliary module  Function: brush, dithering mechanism; Air blowing and dust suction device; Anti-multipartite 2.4、 Separator  unwinding module Function: separator automatic unwinding, constant tension, adjustable size, overall deviation correction of unwinding; 2.5、Stacking manipulator module Function: servo drive, ensuring that the manipulator can grasp and release the electrode piece  reliably; Feeding box servo reclaiming; Accurate positioning of manipulator; And install dust suction mechanism, ultrasonic thickness detection to prevent multiple pieces from entering the cell; 2.6、Stacking table module Function: servo drive the translation and lifting of the stacking table: precision ball screw realizes the reciprocating movement of the stacking table; 2.7、Manipulator conveying module  Function: the manipulator automatically transfers the electric core to the gluing machine; 2.8、Separator cut-off module  Function: a set of hot knife mechanism, which can be cut after determining the length of the separator; 2.9、Tape side sticking module Function: The position and quantity of glue on the sides around (including the middle of the tab) can be set; 2.10、  Automatic blanking module Function: automatic stacking and blanking of cells, batch removal, reducing the immediate demand for labor; 2.11、  Electrical operating system  Function: operate with touch screen, with emergency stop, power switch and other buttons; 2.12、Navar Function: The control system adopts PLC, with high reliability, simple wiring, anti-interference and good maintainability. It is used with servo and stepper, with fast response speed, short scanning cycle and improved equipment efficiency. It can dock with MES system to realize data management of production status. 2.13、Dust cover Function: 1 set of aluminum alloy plexiglass cover with interlock switch; Ⅲ、Process Specifiction:  3.1 Material specification Item   Type   Length   Width   Thickness um   ID   Max OD Cathode Sheet 90-320 40-100 100~280 —— —— Anode Sheet 90-320 40-100 80~280 —— —— Al Tab —— 10-40 10-50 12~30 —— —— Cu Tab —— 10-40 10-50 8~20 —— —— Separator Roll —— 60-180 16~45 φ76.2 φ300 Tape Roll 20~40 10~20 100~200 φ76.2 φ150   Note: 1. The length of the electrode piece indicates the size of the electrode piece in the direction of the tab, excluding the length of the tab; 2.The electrode piece has no obvious powder drop, no obvious wave edge, and the burr in the direction perpendicular to the electrode piece is less than 15um; Die cutting error is less than 0.2mm; 3. There is no obvious warping deformation of the incoming material of the electrode piece, and there is no obvious adhesion of the incoming material of the electrode piece; 4. Separator snake-shaped bending error: ± 1.0mm/1000mm.  Ⅳ、Technical Parameter:   Item Acceptance process technical parameters Single working station stacking time 1.1-1.5S (It is related to the size of the electrode) Auxiliary time of single cell ≤10S Proximity accuracy of electrode and separator Center deviation ± 0.3mm Separator end face alignment accuracy ±0.4mm (Tailless separator) Alignment accuracy of adjacent electrodes ±0.2mm Overall alignment accuracy of electrode ±0.3mm Stacking layers It can be set within the thickness adaptation range Blanking Core stacking and blanking Equipment failure and maintenance Check and remove the alarm according to the maintenance site (time to repair the fault ≤ 10min) Crop rate 98% (Only caused by this machine) Pass rate 99.2%(Defect caused by this machine only)