7169results about "Assembling battery machines" patented technology

Provided is a coating die enabling coating of two layers of coating films stably. The coating die includes: a first block including a first manifold to receive a first coating liquid; a second block including a second manifold to receive a second coating liquid; and a shim sandwiched between the first block and the second block.

A material conveying apparatus, a battery assembly system, a production line, and an assembly method. The material conveying apparatus comprises a frame (10), a conveying mechanism (20), a limiting mechanism (30), and a carrying mechanism (40). The conveying mechanism (20) comprises two conveying paths arranged on the frame (10), one of the two conveying paths is an input path (21) used for conveying a box body (60) loaded with materials, and the other one of the two conveying paths is an output path (22) used for conveying the unloaded box body (60). The limiting mechanism (30) is disposed on the frame (10) or the conveying mechanism (20) and is used to define on the input path (21) a waiting position (21a) and a material pick-up position (21b) arranged in the input direction, and define on the output path (22) a transfer position (22a) and a removal position (22b) arranged in the output direction. The carrying mechanism (40) is used for carrying to the transfer position (22a) the box body (60) which is located at the material pick-up position (21b). The material conveying apparatus can be adapted to transportation of various battery assembly materials and has good universality.

A quick-change platform, a battery production line, and a control method. The quick-change platform comprises a tray kit (10). In a first pick-and-place state, the tray kit (10) is located at a first pick-and-place position, so that the tray kit (10) is used for receiving a target object (80) disengaged from a battery module fixture, or a battery module handling device picks up the target object (80) placed on the tray kit (10); and in a second pick-and-place state, the tray kit (10) is located at a second pick-and-place position, and is used for taking down the target object (80) on the tray kit (10), or for placing the target object (80) onto the tray kit (10).

Disclosed is a cylindrical battery, comprising a housing, bare cells, a first current collector, a second current collector, and a cover plate, wherein the housing comprises a columnar main body, with a first opening being provided in one end of the columnar main body and a second opening being provided in the other end of the columnar main body; a first full-tab is provided at one end of each of the bare cells and a second full-tab is provided at the other end of the bare cell, the first full-tab being connected to the cover plate by means of the first current collector; the other end of the columnar main body extends into the second opening to form a connecting portion, the connecting portion bends toward the first opening to form an annular connecting surface, and the annular connecting surface bends toward an axis of the columnar main body to form a bearing surface; and the second current collector comprises an outer edge which is in lap joint with the bearing surface and which is connected to the bearing surface by means of laser welding, and a protrusion protruding toward the first opening, the protrusion being connected to the second full-tab by means of laser welding. The present application uses laser penetration welding, which provides firm welding and effectively meets the requirements of high charging and discharging rates of cylindrical power batteries.

Provided are a winding shaft, a cell manufacturing apparatus, and a cell manufacturing method. The winding shaft is used for winding plates and includes: a winding shaft body including a first winding surface; an adjustment member configured to be mounted to the winding shaft body and movable simultaneously in an axial direction of the winding shaft and in a radial direction of the winding shaft, where the adjustment member includes a second winding surface, and the first winding surface and the second winding surface are configured to wind the plates jointly; and an actuator configured to drive the adjustment member to move to change a relative position of the second winding surface with respect to the first winding surface, so as to change a winding circumference of the winding shaft. The winding shaft of the present application can reduce the possibility of or the amount of misalignment between the tabs.

The invention provides an electrode assembly manufacturing device and method, the electrode assembly manufacturing device comprises a winding needle and a heating part, the winding needle is used for winding a pole piece and a separator and forming a winding structure, and the heating part is used for being inserted into the winding center of the winding structure and heating the winding structure. According to the manufacturing equipment, the heating component can heat the winding structure at the winding center of the winding structure, so that at least part of ion channels in the separator of the inner ring in the winding structure are fused and closed, shuttling of ions is blocked, lithium precipitation of the winding structure can be reduced, and the risk of lithium precipitation of the battery can be effectively reduced.

The invention provides a pole column welding device and a battery assembling system, the pole column welding device comprises a battery cell fixing assembly, a first tab pressing plate unit and a welding assembly, the battery cell fixing assembly is used for supporting and fixing a battery cell which is horizontally arranged; the first tab pressing plate unit comprises a first driving assembly and a first tab pressing plate, the first tab pressing plate is mounted on the first driving assembly, and the first driving assembly is used for driving the first tab pressing plate to move, so that the first tab pressing plate presses a tab part of a battery cell on a pole of the battery cell; and the welding assembly is arranged to be used for welding the tab part and the pole which are pressed and covered together.

The invention discloses a battery production line and a manufacturing method, and relates to the technical field of battery production lines. The system specifically comprises a cell processing island which can realize on-line, OCV test, rubberizing and stacking processes of cells; the module processing island can be used for realizing the assembly and extrusion forming of the battery cell group; the module boxing island can complete grabbing and boxing of the battery cell module and constraining the size of the module in the process; the gluing island can complete cleaning and gluing of the bottom of the box body; the air tightness test island can complete the air tightness test of the boxed battery module and the liquid cooling plate; the welding island can complete the welding process of the integrated cover plate on the box body; the constant-torque island can be used for tightening and constant-torque bolts on the box body; and the plurality of automatic guide vehicles can be used for transporting products among the functional islands, and the technological process switching of the CTP products and the large-module products is realized through different paths, so that the compatibility of the CTP products and the large-module products is realized. The invention aims to realize flexible switching between CTP and large module products so as to adapt to rapid change and diversified requirements of a new energy battery market.

The present disclosure provides a method of manufacturing an electrode using a continuous coating line for applying an electrode coating layer on a substrate surface of a substrate, the continuous coating line comprising a coating apparatus comprising a coating head and a coating fluid supply system, and at least one oven comprising a heating element, and a substrate carrier for carrying the substrate, the method comprising continuously carrying the substrate through the continuous coating line using the substrate carrier; continuously applying a battery electrode slurry composition from the coating head to the substrate surface to form a wet coated substrate, wherein the battery electrode slurry composition is continuously fed into the coating head by the coating fluid supply system; and heating the wet coated substrate in the oven to form a dried coating on the substrate.

Disclosed in the present disclosure are a battery assembling system and a control method therefor, and a battery production line, which relates to the technical field of batteries. The battery assembling system can reduce the risk of congestion during tray return and facilitate the miniaturization of the battery assembling system. The battery assembling system comprises a stacking platform, an assembling device, an assembling transfer line, and a return device, wherein the stacking platform is used for storing trays and battery modules located in the trays; one end of the assembling device is connected to one end of the stacking platform by means of the assembling transfer line, the assembling device is used for assembling the battery modules to be assembled, and the assembling transfer line is used for transporting the trays carrying the battery modules to be assembled to the assembling device; and the other end of the assembling device is connected to the other end of the stacking platform by means of the return device, and the return device is used for transporting the trays carrying the assembled battery modules to the stacking platform.

A grabbing device (1), a grabbing apparatus, a battery production line and a control method. The grabbing device (1) comprises a frame (11), a clamping plate mechanism (12), and a distance changing mechanism (13). The frame (11) is used for connecting to a mechanical arm; the clamping plate mechanism (12) comprises two clamping plate assemblies spaced apart from each other, and is used for clamping a plurality of battery cells (2); the distance changing mechanism (13) is arranged on the frame (11), and is separately in driving connection to the two clamping plate assemblies so as to adjust the distance between the two clamping plate assemblies; the two clamping plate assemblies are a reference clamping plate assembly (122) and a floating clamping plate assembly (121); the reference clamping plate assembly (122) can provide a clamping reference for the plurality of battery cells (2); the floating clamping plate assembly (121) can clamp each battery cell (2). The grabbing device (1), the grabbing apparatus, the battery production line and the control method can stably grab battery cells (2).

Methods are proposed for manufacturing dendrite-resistant lithium metal electrodes suitable for incorporation into lithium metal batteries. In an embodiment, the method involves first electroplating a copper sheet onto a surface of a single crystal of silicon, the silicon being doped to form a p-type or an n-type semiconductor, and then further electroplating the copper sheet with lithium metal. The lithium-electroplated copper sheet thus manufactured provides a lithium electrode that is resistant to dendrite formation during cycling of lithium metal batteries when compared to conventionally manufactured lithium electrodes. Methods are further provided of manufacturing lithium sheets by directly electroplating lithium metal onto single crystals of doped silicon, the lithium sheets configured for incorporation into lithium metal electrodes that are resistant to dendrite formation during cycling of lithium metal batteries.

Examples include a machine for producing a multi-layer product having a dry film applied to a carrier substrate. A carrier substrate web is provided to an application stage where a first dry film of powdered material is applied to a side of the carrier substrate. The carrier substrate web having the dry film on at least one side is then fed to a product winder to produce a product roll. A dancer roller and / or a positively driven draw roller are arranged between a location where the carrier substrate web unwound from a reel and an entry into an application gap of the application stage, and / or a dancer roller and / or a positively driven draw roller are arranged between where the substrate emerges from a last application gap of the application stage and a location at which the winding of the carrier substrate web onto the product roll takes place.

Disclosed in the present disclosure are a feeding apparatus, a feeding method, and a battery assembly line. The feeding apparatus comprises a material rack, a workpiece conveyor line, and a transfer mechanism, wherein the material rack is provided with at least two layers of bearing portions, which are arranged in sequence at intervals in a first direction, the bearing portions on the same layer define a workpiece bearing space for accommodating a workpiece, and the bearing portions can perform reciprocating motion in the first direction along with the material rack; the workpiece conveyor line is used for conveying the workpiece, the conveying path of the workpiece conveyor line extending in a second direction that intersects with the first direction; and the transfer mechanism is configured to enter and exit the workpiece bearing space, the transfer mechanism being used for transferring the workpiece from the workpiece bearing space to the conveying path of the workpiece conveyor line.

The invention provides a battery cell rubberizing device and battery production equipment, the battery cell rubberizing device comprises a loading mechanism, a first positioning mechanism, a transfer mechanism and a rubberizing mechanism, the loading mechanism is used for storing a rubberizing piece; the first positioning mechanism is used for placing an adhesive part; the transfer mechanism comprises a first transfer mechanism and a second transfer mechanism which are both used for moving the adhesive parts; the adhesive tearing mechanism comprises a first adhesive tearing mechanism and a second adhesive tearing mechanism which are both used for tearing release paper of the adhesive part; wherein the first transfer mechanism sucks an adhesive piece of the loading mechanism and places the adhesive piece on the first positioning mechanism, the first adhesive tearing mechanism tears release paper at the bottom of the adhesive piece, the second transfer mechanism sucks the adhesive piece of the first positioning mechanism and adheres the adhesive piece to a battery cell of the conveying line, and the second adhesive tearing mechanism tears release paper at the top of the adhesive piece. Through the loading mechanism, the first positioning mechanism, the transferring mechanism and the adhesive tearing mechanism, release paper of the adhesive part is automatically torn off, and the adhesive part is adhered to the battery cell, so that the production efficiency and the product quality are improved.

The invention discloses a shell entering device and an assembling method of a battery and a battery assembling system. The shell entering device comprises a rack, a bearing mechanism and a shell assembling mechanism, the bearing mechanism is arranged on the rack and is used for bearing the bottom cover and the electrode assembly supported above the bottom cover; the shell loading mechanism is arranged on the rack and comprises a shell fixing mechanism and a tab part guiding mechanism, the shell fixing mechanism is used for fixing a shell, and the tab part guiding mechanism and the shell fixing mechanism can be close to or far away from the bearing mechanism; the shell fixing mechanism is configured to enable the shell to be arranged on the outer side of the electrode assembly in a sleeving mode through the opening end when the shell fixing mechanism moves close to the bearing mechanism. And the tab part guide mechanism is configured to guide the tab part to penetrate out of the accommodating cavity from the through hole when the shell sleeves the electrode assembly. Through the mode, the tab part smoothly extends out of the shell, so that the electrode assembly can be accurately put into the shell, the preparation difficulty of the battery is reduced, and the assembly efficiency and the yield of the battery are improved.

The present disclosure discloses a testing system, a battery production line, and a testing method. The testing system includes a control device and a test device. The test device includes at least two probe card adjustment assemblies. The control device is connected to the test device and configured to adjust the probe card adjustment assemblies according to an adjustment strategy, and drive the adjusted probe card adjustment assemblies to test the battery module currently to be tested. The adjustment strategy is determined based on current module information corresponding to the battery module and historical module information. The historical module information is the module information of a battery module tested last time. The technical solution provided by the embodiments of the present disclosure can quickly adjust the probe card adjustment assemblies to adapt to different battery modules.

The invention provides conveying equipment and a battery assembling system. The conveying equipment comprises two conveying belts, at least one clamp set and an adjusting assembly. The two conveying belts are arranged side by side at intervals. Each clamp set comprises two clamps, the two clamps are arranged on the corresponding one of the two conveying belts respectively, and the two clamps are matched with each other to clamp an object to be conveyed. The adjusting assembly is arranged to adjust the spacing distance between the two clamps in response to the control signal. In this way, the adaptability of the conveying equipment to batteries of different models can be improved.

The invention belongs to the technical field of battery production, and discloses a battery module assembly production line. The battery module assembly production line comprises a conveying line, a first transplanting device, a stacking device, a second transplanting device and a shaping device, the conveying line can convey battery cells, the first transplanting device is arranged on one side of the conveying line, and the first transplanting device, the stacking device, the second transplanting device and the shaping device are sequentially arranged; the stacking device can receive the battery cells transplanted by the first transplanting device and can push the battery cell group along the arrangement direction of the plurality of battery cells in the battery cell group, so that all the battery cells in the battery cell group are tightly attached; and the shaping device can receive the battery cell group picked up by the second transplanting device and extrude and shape the battery cell group. The waiting time of the first transplanting device can be greatly shortened, the battery module assembling rhythm is accelerated, meanwhile, the battery module assembling production line can be freely switched between a single-group battery cell assembling mode and a multi-group battery cell assembling mode, and the adaptability of the production line is improved.

The invention belongs to the technical field of battery manufacturing, and particularly relates to a pole piece compounding device, naked battery cell winding equipment and a naked battery cell winding method. The pole piece compounding device comprises a first compounding roller assembly, a second compounding roller assembly and a third compounding roller assembly, the first compounding roller assembly comprises a first compounding roller and a second compounding roller, the first compounding roller and the second compounding roller are arranged oppositely, and the first compounding roller and the second compounding roller are used for sequentially compounding a first diaphragm, a first pole piece and a second diaphragm together in a stacked mode; and the side edge diaphragm composite assembly is used for compounding the part, exceeding the side edge of the first pole piece, of the first diaphragm with the part, exceeding the side edge of the first pole piece, of the second diaphragm. The technical scheme provided by the embodiment of the invention aims to solve the problem that the first diaphragm, the first pole piece, the second diaphragm and the second pole piece are easy to fold in the winding process of preparing the naked battery cell, so that the first pole piece and the second pole piece are overlapped.

The invention relates to an automatic pole piece waste collecting method for an automatic lithium battery winding machine in the technical field of information, which comprises the following steps of: arranging a vacuum suction nozzle array below a cutting device, connecting the vacuum suction nozzle array to a central vacuum pump, setting proper vacuum degree and suction time according to material characteristics and sizes of cut waste, and collecting the cut waste by a vacuum pump; the cut waste is automatically sucked and conveyed by controlling starting and stopping of the vacuum pump and the suction force. A flow sensor is installed in a vacuum suction pipeline, the speed and pressure of sucked airflow are monitored in real time, whether the suction process is normal or not is judged according to a preset flow curve, and if the abnormal condition of insufficient suction or airflow turbulence occurs, parameters of a vacuum pump are adjusted in time; the method comprises the steps of collecting and analyzing images of sucked waste materials, recognizing and classifying material types and shape features of the waste materials by adopting a convolutional neural network algorithm, and estimating the quantity and weight of the waste materials in combination with suction time and vacuum degree data so as to provide a basis for subsequent waste material recovery and treatment.

The present application relates to the field of batteries, and provides a lamination system. The lamination system comprises a first transfer mechanism, a second transfer mechanism, a separator unwinding mechanism, and a laminating device. The first transfer mechanism is used for transferring a first electrode sheet. The second transfer mechanism is used for transferring a second electrode sheet. The polarity of the second electrode sheet is opposite to that of the first electrode sheet. The separator unwinding mechanism is used for unwinding a separator. The laminating device is used for receiving the first electrode sheet, the separator, and the second electrode sheet, and laminating the first electrode sheet, the separator, and the second electrode sheet to form a battery cell. In the lamination system, the first transfer mechanism, the second transfer mechanism, and the separator unwinding mechanism can respectively provide the first electrode sheet, the second electrode sheet, and the separator for the laminating device, and the laminating device can laminate the first electrode sheet, the separator, and the second electrode sheet to form a battery cell, achieving automated lamination, and facilitating the improvement of the lamination quality and the production efficiency.

The invention relates to the technical field of power battery manufacturing, in particular to a reconfigurable island type production line system and process of a side face liquid cooling battery module. The system comprises a battery cell grouping module, a module splicing module, a liquid cooling plate processing module and a Block stacking module which operate independently, and a guide carrying system flexibly connected with the modules, and the number and position layout of the modules can be reconstructed according to production requirements. The corresponding production process comprises the following steps: in a reconfigurable island type production line system, flexibly transferring materials through a guide carrying system, and sequentially executing battery cell grouping, module splicing, side surface liquid cooling plate processing and Block stacking. The technical problems that a traditional linear production line is large in occupied area and poor in flexibility, the overall situation is affected by local faults, and the reconstruction cost is high are solved, space is saved, and cooperative improvement of production flexibility and system reliability is achieved.

The invention discloses a method for tearing and pasting glue on a large surface of a battery cell. The method comprises the following steps: S1, placing sheet glue in a material storage station; s2, a first mechanical arm picks up the sheet glue in the material storage station and transfers the sheet glue to a glue tearing station, lower-layer release paper of the sheet glue is torn off in the glue tearing station, and then the sheet glue is driven to conduct visual detection; s3, the first manipulator drives the detected sheet glue to be attached to the surface of the battery cell; and S4, the battery cell pasted with the sheet glue is conveyed to a second mechanical arm along with the tool plate, the second mechanical arm tears off the release paper on the upper layer of the sheet glue on the battery cell, visual detection is carried out, and glue pasting is completed. According to the invention, a clamp on the four-axis manipulator takes materials through a suction cup, the materials are sent to an adhesive tearing station after the materials are taken, the four-axis manipulator drives the torn sheet adhesive to carry out visual detection and detects whether the adhesive tearing of the lower-layer release paper is completed or not after the adhesive tearing of the lower-layer release paper is completed, and the four-axis manipulator drives the torn sheet adhesive to be pasted into a battery cell after the detection is completed and runs to a subsequent station. And the rear four-axis manipulator drives the clamp to tear the release paper on the upper layer of the battery cell.

A battery pack fastening system and a method for using same, and a battery pack production method are disclosed. The battery pack fastening system includes an operating platform, a fastening assembly, a driving assembly and a control module. The operating platform includes a lifting mechanism and a tray. The fastening assembly includes a fastening component, a marking component and an image capture component. The fastening assembly is mounted to a free end of the driving assembly, and the driving assembly is configured to drive the fastening assembly to move. The driving assembly and the image capture component are both electrically coupled to the control module, and the control module can form a visual guide for the movement of the driving assembly based on the image, so as to move the fastening assembly to a position corresponding to the fastener to complete fastening and marking of the fastener.

The invention relates to an mounting fixture (1), comprising, within its structure at least one cassette slot (1.1) in which the cassettes are positioned; at least one battery cell slot (1.2) in which the battery cells are positioned; at least one tab pressing part (1.3) providing a bearing for the battery cell lugs; NTC device slot (1.4), which has a recessed structure and protects the NTC device in case of sagging while allowing it to be positioned without damage; tab cutting unit reference part (1.5), preventing short circuit and providing referencing in tab cutting process; insulated surface (1.6), preventing short circuit and providing protection for the mounting fixture (1); and mounting fixture base (1.7) produced using wear-resistant material for increasing sliding on the conveyor on the conveyor contact surface of the mounting fixture (1) in the production line.

Example embodiments provide a secondary battery manufacturing system. The system includes a positive electrode cutter configured to cut a positive electrode sheet wound from a positive electrode roll to provide a plurality of positive electrodes, a negative electrode cutter configured to cut a negative electrode sheet wound from a negative electrode roll to provide a plurality of negative electrodes, an electrode identifier (ID) reader configured to sense an electrode ID of a negative electrode tab of each of the plurality of negative electrodes to generate an electrode ID sensing signal, and a controller configured to collect coordinate-related electrode ID data based on a first input amount of the positive electrode sheet, a second input amount of the negative electrode sheet, and the electrode ID sensing signal.