EP4342015A1 - Dispositif de placement, dispositif de montage et procédé associé - Google Patents

Dispositif de placement, dispositif de montage et procédé associé

Info

Publication number
EP4342015A1
EP4342015A1 EP21727818.3A EP21727818A EP4342015A1 EP 4342015 A1 EP4342015 A1 EP 4342015A1 EP 21727818 A EP21727818 A EP 21727818A EP 4342015 A1 EP4342015 A1 EP 4342015A1
Authority
EP
European Patent Office
Prior art keywords
battery cells
cell
battery
placement
item
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21727818.3A
Other languages
German (de)
English (en)
Inventor
Marco Zichner
Sebastian Prengel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Abacs GmbH
Original Assignee
Abacs GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Abacs GmbH filed Critical Abacs GmbH
Publication of EP4342015A1 publication Critical patent/EP4342015A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4285—Testing apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention relates to placement devices, assembly arrangements with such placement devices and methods for placing items to be placed in a target position, in particular a battery pack with battery cells.
  • Battery packs which have standardized, in particular cylindrical, battery cells as energy stores are used for various purposes--for example for stationary energy supply, for motor vehicles or for intermediate storage.
  • Such battery packs are available in a wide variety of designs with a wide variety of battery cells, battery voltages and storage capacities. What the known battery packs have in common is that the multiplicity of standardized battery cells must be separated according to the layout of the battery pack and inserted into a housing of the battery pack.
  • the battery cells are normally provided in containers in which the battery cells are already separated (for the purposes of assembly) and, above all, are present with a predetermined pole position, so that an assembler can grip the battery cell and assemble it with the desired pole position.
  • the battery cell represents an item to be assembled. The assembler can rely on the pole position in which the battery cell is present in the container.
  • a first aspect relates to a device, in particular for equipping a battery pack, set up to:
  • a pick and place device can be any device which can move an item to be placed into a target position.
  • An equipping device can be a pick-and-place device, for example, which transports battery cells into a cell holder.
  • an assembly device can be a medical or analytical device that conveys samples into a sample container.
  • An assembly device can also be used in electrical engineering. In this context, assembly stands for the application of the individual components such as resistors, diodes and other SMD components to the carrier material, e.g. B. a circuit board or a ceramic substrate. An item to be placed and a target position result from the application.
  • a positioning force is applied in such a way that an item to be placed is transported to the target position.
  • An axial positioning force is applied at least partially along an axis passing through the target position.
  • the item to be placed can be conveyed to the target position along this axis by the axial positioning force.
  • a positioning force can be applied in particular by a ram, a hammer, or a cam.
  • a positioning force can also be applied by an end effector, for example a robot.
  • a guide is applied to guide the load to the target position.
  • forces that originate from the gravitational force and/or from the positioning force will be counteracted.
  • the executive can also depend on the target position, especially if the target position is time-varying. In particular, several executives can be generated. In particular, a leader or all leaders is less than a positioning force.
  • a guiding force can be generated in particular by a hose, a tube and/or one or more guide rails.
  • the solution allows items to be fitted quickly and in close proximity to each other.
  • An embodiment of the first aspect relates to a device configured to release the guiding force before the positioning force.
  • the guiding force can be applied by a snout which is arranged between the target position and the device for applying the positioning force. If now the placement goods is transported to the target position by the positioning force and the positioning force is reduced first, then the load could “stick” to the snout when it is moved and be unintentionally transported out of the target position again. This is avoided in that the positioning force remains on the item to be fitted until the risk of unwanted adhesion to the snout has passed.
  • An embodiment of the first aspect relates to a device that is set up to check the one or more quality parameters of the placement item and, depending on the check, to apply the positioning force and/or the guiding force or to eject the placement item (B) from the placement device.
  • An embodiment of the first aspect relates to a device which is set up to simultaneously check a plurality of items to be placed at the same time.
  • a simultaneous test includes a time-overlapping test of two items to be placed, e.g. so that a test of a second item begins when a test of a first item has not yet been completed.
  • An embodiment of the first aspect relates to a device that is set up to convey the item to be placed in a predetermined orientation to the target position.
  • a specified orientation can in particular include the electrical orientation.
  • a plurality of items to be placed can be arranged in such a way that they have the same orientation.
  • a plurality of items to be placed can be arranged in such a way that they have an unequal orientation; in particular, an orientation can be such be specified that a plurality of equipment, in particular battery cells, are arranged in alternating electrical orientation.
  • An embodiment of the first aspect relates to a device comprising a mechanically flexible connection for accommodating the provided item to be placed.
  • An embodiment of the first aspect relates to an apparatus wherein the positioning force is applied non-uniformly to convey the load to the target position.
  • a positioning force can be applied in such a way that a final positioning of the item to be fitted takes place by repeatedly applying a positioning force to the item to be fitted.
  • the item to be placed can be 'hammered' into the target position by the positioning force.
  • An embodiment of the first aspect relates to a device that is set up to apply the guiding force through a guide sleeve and/or a guide rail, along which the item to be placed is conveyed by the positioning force, and wherein the guide sleeve and/or the guide rail are lateral relative to the target position is moved to a position whose distance from the target position is less than the length of the item to be placed.
  • a device for applying one or more guides becomes jammed with an item to be placed that has already been positioned. This can be done in particular by moving the guide sleeve in a straight line towards the target position and parallel to items that have already been fitted.
  • a sideways approach, however, which next ends at a position at which jamming can no longer occur and the positioning force is then exerted is, on the other hand, advantageous.
  • an equipping device for equipping a battery pack with, in particular cylindrical, battery cells, for example of the 18650, 20650 and/or 21700 type, is disclosed.
  • the assembly device has:
  • a cell aligner for, in particular, individual (i.e. in particular only one battery cell at a time) positional alignment of the battery cells, in particular taken over by the conveyor, in particular before the battery cell is discharged, in a specific, in particular a desired and/or intended, pole position (the term polar alignment can also be used synonymously); and or
  • an assembly effector for, in particular, individually (i.e. in particular only one battery cell at a time) discharging the battery cells, in particular taken from the conveyor, into the battery pack, the discharging taking place by means of a, in particular axial, positioning force on the aligned battery cell;
  • a battery cell guide for applying a radial guiding force to the aligned battery cell.
  • the placement effector and the battery cell guide are set up to adjust the axial positioning force and the radial guiding force independently of one another. In particular, this can be done as already explained in connection with the first aspect.
  • the battery cells can be provided unsorted, in particular not sorted according to pole position. This means an enormous saving in staging areas for the battery cells to be installed. Thus - especially when assembling battery packs from a large number of battery cells - the provision of the battery cells is much easier and therefore cheaper.
  • the assembly can be done with a shorter cycle time because the travel distances between the individual assembly locations - i.e. between two adjacent receiving points for a battery cell - are minimized.
  • the advantages of the invention occur - both in terms of space saving and in terms of simplification of the assembly and the effects of a possible cycle time reduction - the more battery cells in the battery pack to be assembled (per pack level but also overall) have to be used.
  • the placement device may form an integrated means with the cell aligner and the battery cell guide. This can then, for example, be moved by a robot as a positioning unit over a cell holder or battery pack in such a way that it can be quickly fitted with battery cells.
  • a mounting arrangement for equipping a battery pack with battery cells is disclosed.
  • the assembly arrangement has:
  • (F) in particular if the placement device does not have a cell aligner, a cell aligner for, in particular individual, positional alignment of the battery cells taken over from the cell store and/or the cell separator and/or the conveyor.
  • Such a mounting arrangement requires a much smaller installation space than known mounting arrangements, which provide more space for orderly preparation of the battery cells to be assembled in a cell storage facility for pole-aligned battery cells.
  • a method for equipping a battery pack with battery cells having the following method steps:
  • the invention is based, among other things, on the idea of minimizing the travel distances during robot-based loading of a battery pack with standardized battery cells.
  • the disclosure thus provides in particular a technology for aligning the individual battery cells to be assembled with regard to the required pole position first on the assembly device and thus preferably on the effector of the assembly robot.
  • One embodiment of the invention is based, among other things, on the idea of also carrying out any quality tests of the individual battery cells that may be required on the assembly device. With these ideas, the traverse paths of the placement effector between the individual placement locations can be minimized; In addition, the individual battery cells can be provided in a completely unordered manner.
  • the equipping device has a test device for checking one or more electrical and/or electronic and/or structural-mechanical quality parameters of the battery cells to be discharged.
  • quality parameters in particular barcodes, internal resistance, internal impedance (i.e. DC voltage and AC voltage resistance), open-circuit voltage, polarity, weight, shape, geometric dimensions, and/or mechanical resonance.
  • internal resistance i.e. DC voltage and AC voltage resistance
  • open-circuit voltage i.e. DC voltage and AC voltage resistance
  • polarity i.e. weight, shape, geometric dimensions, and/or mechanical resonance.
  • the test means is set up to test more than one, in particular two or three or four or more, battery cells simultaneously and/or with a time overlap.
  • the test means has a turret mount for the battery cells to be tested.
  • a turret mount for the battery cells to be tested.
  • the turret mount can have a capacity of 2, 3, 4 or 5 battery cells, for example.
  • the pick and place device has an ejection device for items that have been sorted out, for example those that have not been tested OK (not OK), battery cells up. This allows battery cells with an unsatisfactory test result to be sorted out.
  • the ejection device is set up to direct the ejected battery cells to a reject store. This can ensure that the battery cells that have been sorted out can be put to further use, for example in a battery pack with lower demands on the quality of the battery cells used.
  • the ejection device is set up to direct the ejected battery cells to a specific one of a number of reject stores.
  • the test result of the battery cells can be taken into account in a differentiated manner: for example, battery cells that can still be used in other battery packs with lower quality requirements can be separated from those battery cells that are completely rejected based on the test result.
  • the cell aligner is arranged at a discharge position of the placement device. This enables the pole position of the battery cell to be aligned with a minimal conveying distance and thus supports a short assembly cycle time. In addition, this ensures that battery cells are aligned that have already passed a quality test that may have been carried out, so that energy can be saved.
  • the cell aligner has a pole position detector which, in particular in cooperation with a control unit of the placement device and/or the assembly arrangement, is set up to detect and/or identify a pole position of the battery cell, in particular when the battery cell arrives at a discharge position to compare it with a pole position of the battery cell required at the intended assembly point of the battery pack, and if necessary to align, in particular rotate, the battery cell towards the required pole position.
  • a required pole position of a battery cell at an intended assembly point can be appropriately stored in the control unit of the assembly device and/or the assembly arrangement, for example in an imported assembly plan that the control unit needs in any case to assemble the battery pack.
  • the cell aligner is set up to rotate an in particular isolated battery cell, in particular in a position-accurate manner, about an axis which runs perpendicular to a longitudinal axis of the battery cell and in particular intersects the longitudinal axis, in particular in or near the center of a longitudinal extent of the battery cell.
  • the cell separator has a step conveyor.
  • a step conveyor is capable of separating completely unsorted, in particular cylindrical, battery cells with great reliability and feeding them further in a suitably designed conveyor.
  • the conveying means has a hose, in particular with an at least essentially cross-sectionally stable and/or flexible hose, for guiding the separated battery cells.
  • the hose takes into account the fact that the batteries are separated in a stationary manner on the cell separator, while the batteries on the Placement device are required in a flexible location, namely depending on the current position of the robot arm on which the placement device is arranged. Due to its flexible, but at the same time cross-sectionally stable design, the hose enables the battery cells to be conveyed in this way.
  • a filling device is provided at a transfer position between the cell separator and the conveyor.
  • the cell separator is designed with a step conveyor and the conveying means with a hose, it can be provided that a push-in arrangement pushes a separated battery cell from the top step of the step conveyor into the hose for each cycle.
  • the cell store has an inclined plane and/or an inclination toward the cell separator. This ensures that more and more battery cells are fed to the cell separator without further manual or automatic intervention, until the last battery cell provided in the cell store has been separated in the cell separator and conveyed further.
  • the assembly arrangement has one or more scrap stocks.
  • the test result of the battery cells can be taken into account in a differentiated manner: for example, battery cells that can still be used in other battery packs with lower quality requirements can be collected.
  • scrap stores for example, battery cells that can be reused can be separated from battery cells that are completely scrap based on the test result.
  • the method has the following method step: checking one or more electrical and/or electronic and/or structural-mechanical quality parameters of the battery cells intended for assembly, in particular by means of a test device. It can thus be ensured that only battery cells of sufficient quality are installed in the battery pack and/or that possibly battery cells of poorer quality can be put to another use.
  • a tested battery cell is assigned “passed” as the test result, and the battery pack is then equipped with this battery cell.
  • a tested battery cell is assigned “failed” as the test result, and the battery cell is then sent to a scrap store.
  • 1 shows an assembly device in a schematic view and in different states for positioning an assembly item according to an embodiment of the present disclosure
  • 2 shows a schematic view of a mounting arrangement according to an exemplary embodiment of the invention in a schematic view.
  • FIG. 3 shows a schematic detailed view of an assembly device of the assembly arrangement according to FIG. 2.
  • Fig. 4 shows a flowchart to explain a method according to an exemplary embodiment for equipping a battery pack with battery cells using the assembly arrangement according to Figures 2 and 3.
  • a corresponding device for carrying out or producing the method, or for a corresponding system which comprises one or more devices, and vice versa.
  • a corresponding device may include a feature to perform the method step described, even if that feature is not explicitly described or illustrated.
  • a corresponding method can include a step that performs the described functionality or can be used to produce a corresponding structure, even if such steps are not explicitly described or illustrated are.
  • a system with corresponding device features be provided or with features to perform a specific process step.
  • a corresponding device for carrying out or producing the method, or for a corresponding system which comprises one or more devices, and vice versa.
  • a corresponding device may include a feature to perform the method step described, even if that feature is not explicitly described or illustrated.
  • a corresponding method can include a step that performs the described functionality or can be used to produce a corresponding structure, even if such steps are not explicitly described or illustrated are.
  • a system can also be provided with corresponding device features or with features in order to carry out a specific method step.
  • FIG. 1 shows a placement device of an embodiment of the present disclosure, wherein the placement device is shown in different states a) to e). These states can occur during an assembly process, by which an item to be placed B is moved to a target position 101.
  • a state a an item B to be fitted, for example a battery cell, is already arranged in the correct orientation on a straight axis 74 .
  • the axis 74 is directed towards the target position 101 .
  • a force is required in the vertical direction. This force is applied by the placement effector 70 .
  • the placement effector 70 can be designed in particular as a cylindrical wedge that is struck or pressed against the item to be placed from above in order to convey it to the target position 101 .
  • the assembly effector 70 has already applied a force to the assembly item B and conveyed it through the sleeve 73 to the target position. After that, the pick-and-place device has to be moved back into a starting position in such a way that the item B to be placed and placed continues to remain in the target position 101 .
  • the sleeve 73 is first moved upwards. This occurs while the placement effector 70 applies a positioning force to the placement good B . This ensures that the item B to be fitted does not stick to the sleeve 73 and is removed from the target position 101 again by moving the sleeve 73 .
  • the placement effector 70 can also be moved back into its starting position. This is shown in state d). After both the sleeve 73 and the placement effector 70 have been removed from the placement goods B, the placement device is moved to a new target position 102 . An item to be placed can then be conveyed to the target position 102 .
  • 2 shows an exemplary assembly arrangement 1 for equipping a battery pack 100 with battery cells B, for example of the 18650, 20650 and/or 21700 type.
  • the assembly arrangement 1 has a cell store 10 for the unordered provision of the battery cells B to be assembled at an assembly station 3 .
  • the assembly arrangement 1 has a cell separator 20 for individually removing the battery cells B from the cell store 10 .
  • the cell separator 20 has a step conveyor 21 which is capable of separating the completely unsorted cylindrical battery cells B with great reliability (virtually error-free) and feeding them to further conveyance by means of the conveying means 30 .
  • the cell store 10 has an inclined plane with an incline toward the lowest step 22 of the step conveyor 21 . This ensures that more and more battery cells B are automatically fed to the step conveyor 21 (i.e. due to the effect of gravity) until the last battery cell B provided in the cell store has been separated and conveyed further.
  • the assembly arrangement 1 has an assembly device 2, which is explained in more detail in particular with reference to FIG.
  • the mounting arrangement 1 has an industrial robot 4 with a robot arm 5 for arranging and moving the equipping device 2 . This can be selected by a specialist according to the requirements of the operation of the pick and place device 2 in the exemplary embodiment.
  • the assembly arrangement 1 has a conveyor 30 for conveying the isolated battery cells B from the cell separator 20 to the placement device 2 .
  • the conveying means 30 has an at least essentially cross-sectionally stable but flexible tube 31 for guiding the isolated battery cells B along a longitudinal axis of the tube 31 .
  • a filling device 33 of the conveying means 30 is provided at a transfer position 32 between the uppermost step 23 of the step conveyor 21 and an inlet of the hose 31 .
  • a push-in arrangement 34 of the filling device 33 pushes a single battery cell B from the top step 23 of the step conveyor 30 into the hose 31 for each cycle.
  • the battery cells B previously separated by the cell separator 30 can be supplied to the equipping device 2 .
  • the use of the flexible hose 31 makes it possible to separate the battery cells B in a stationary manner on the cell separator 20, although the battery cells B are required to be flexible in terms of location on the placement device 2, depending on the current position of the robot arm 5.
  • Such a mounting arrangement 1 requires a much smaller installation space than known mounting arrangements, which require more space for the orderly provision of the battery cells to be mounted in a cell store for pole-aligned battery cells.
  • FIG. 3 the assembly device 2 of the assembly arrangement 1 from FIG. 2 is shown.
  • the section of FIG. 2 shown in FIG. 3 is labeled “Detail A” there.
  • the placement device 2 has a robot interface 6 for receiving the placement device 2 on the robot arm 5 of the industrial robot 4 .
  • the placement device 2 also has a cell interface 40 for taking over battery cells from the hose 31 of the conveyor 30.
  • the cell interface 40 is designed in such a way that the battery cells B removed from the hose 31 can be placed next to each other with respect to their respective longitudinal axis, so that they can then be placed individual can be transferred into a test means 50.
  • the cell interface 40 can also be designed in such a way that the battery cells B are transferred directly from the hose 31 into the test means 50 .
  • the placement device 2 has a test means 50 for checking various electrical and/or electronic and/or structural-mechanical quality parameters of the battery cells to be discharged.
  • the test means 50 is set up to test more than one battery cell B at the same time. This ensures that there is sufficient time to test each individual battery cell B.
  • the test means 50 has a turret mount 51 with a plurality of cell mounts 52 for the battery cells B to be tested, which are spaced evenly apart from one another in the circumferential direction.
  • the turret holder 51 can be used to implement an intermediate store for battery cells B that can be continuously filled and emptied, in which the battery cells B can be tested for more than one cycle time using a test head 53 .
  • the turret mount 51 is designed and arranged in the assembly device 2 in such a way that, for example, four battery cells B can be tested simultaneously.
  • the equipping device 2 also has an ejection device 80 for battery cells B sorted out by the test means, that is to say those tested as not OK. Battery cells B with an unsatisfactory test result can thus be sorted out.
  • the ejection device 80 is set up to direct the ejected battery cells to a scrap store 90 of the assembly arrangement 80, in particular by a suitable movement of the robot arm 5. This can ensure that the sorted out battery cells B can be used further, for example in a battery pack with lower requirements the quality of the battery cells used B.
  • the ejector device 80 is set up to direct the ejected battery cells B to a specific one of a number of shelves 91 , 92 , 93 in the reject store 90 .
  • the scrap store 90 of the assembly arrangement 1 consequently has three separate shelves 91, 92 and 93; the ejection device 80 has three separate ejection means 81, 82 and 83 for this purpose. This makes it possible to store a certain number of sorted battery cells B in the separate ones before the robot arm 5 has to move to the scrap store 90 .
  • only one ejection means can also be provided.
  • the robot then has to move to the scrap store 90 each time a battery cell B that has been sorted out is to be discarded.
  • test result of the battery cells B can be taken into account in a differentiated manner: for example, battery cells B that can still be used in other battery packs with lower quality requirements can be separated from those battery cells B that are completely rejected based on the test result. This can also be ensured that only battery cells are aligned where this is necessary with regard to the planned assembly.
  • the equipping device 2 also has a cell aligner 60 for aligning the pole positions of the battery cells B that have been tested as OK. The alignment takes place before the battery cell B is discharged, towards a planned pole position P1 or P2.
  • the cell aligner 60 has a pole position detector 61 which, in cooperation with a control unit (not shown) of the assembly arrangement 1, is set up to recognize the current pole position P2 of the battery cell B when the battery cell B arrives at a discharge position 71, and with one at the intended assembly point 101 of the battery pack 100 to compare the required pole position P1 of the battery cell B and, if necessary, to carry out an alignment, in particular a rotation, of the battery cell towards the required pole position P1 by means of an alignment means 62 .
  • a required pole position P1 or P2 of a battery cell B at an intended assembly point 101 is stored for all assembly points in the control unit (not shown) of the assembly arrangement 1 in an assembly plan that has been read in and that the control unit needs to assemble the battery pack 100 anyway.
  • the cell aligner 60 is set up to use the alignment means 62 to rotate the battery cell B in a position-accurate manner about an axis 63 in the center of a longitudinal extent of the battery cell, with the axis 63 running perpendicular to a longitudinal axis L of the battery cell and intersecting the longitudinal axis. This enables the pole position of the battery cell to be aligned in the tightest of spaces.
  • the equipping device 2 also has an equipping effector 70 for discharge of the battery cell B arranged in the required pole position at the discharge position 71 into the battery pack 100 at the assembly point 101.
  • the assembly effector 70 has an ejection arrangement 72, which ejects an aligned battery cell B for each cycle.
  • the battery cells B can be provided completely unsorted, as indicated in FIG. This means an enormous saving in staging areas for the battery cells B to be installed.
  • the placement device 2 i.e. on the robot arm 5
  • the placement can take place with a shorter cycle time because the travel paths between the individual placement points 101 and 102 are minimized.
  • FIG. 4 shows an exemplary method for equipping a battery pack 100 with battery cells B by means of the assembly arrangement 2 that is described for FIGS. 2 and 3.
  • the exemplary method has the following steps S, which are carried out in particular in the sequence shown in FIG. 4:
  • S30 Conveying the removed, separated and unaligned battery cells B from the cell separator 20 to the placement device 2 by means of the conveyor 30.
  • S40 Inserting the battery cells B conveyed to the placement device 2 into the test means 50, in particular at or after passing the cell interface 40.
  • S50 Testing of the battery cells B: Checking one or more electrical and/or electronic and/or structural-mechanical quality parameters of the battery cells B intended for assembly using test means 50.
  • step S50 is followed by steps S54 to S70:
  • S60 Checking the pole position P of the battery cell B and comparing it with a desired pole position P stored in the control unit in the cell aligner 60.
  • step S50 is followed by steps S51 and S81 or S52 and S82 or S53 and S83:
  • the result of the quality test from step S50 includes a statement of a level of failure of the test.
  • a test result "n.i.O. Level 1" is awarded for battery cells B, which do not quite meet the requirements of the battery pack 100 to be equipped, but can certainly be installed in other battery packs with lower quality requirements.
  • Battery cells B with the test result "NOK Level 1” go through the following procedural steps:
  • a test result "n.i.O. Level 2" is awarded for battery cells B, which cannot be installed in battery packs but can be used in everyday applications with low quality requirements. Battery cells B with the test result "NOK Level 2” go through the following procedural steps:
  • a test result "n.i.O. Level 3" is assigned to battery cells B that can no longer be used. Battery cells B with the test result "NOK Level 3” go through the following procedural steps:
  • S53 Insertion into the third ejection means 83 for level 3 rejects from the turret mount 53.
  • S83 Discard battery cell B to third tray 93 for level 3 scrap in scrap store 90.
  • the exemplary method an enormous saving in staging areas for the battery cells B to be installed can be achieved.
  • the provision of the battery cells B is much simpler and therefore also cheaper.
  • the exemplary method enables a shorter cycle time when equipping the battery pack 100 with battery cells B.
  • target position S10 providing the battery cells S20 separating the battery cells S30 conveying the battery cells

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne un ensemble de montage comportant un dispositif de positionnement, en particulier pour l'équipement d'un bloc-batterie avec des éléments de batterie, comprenant : une interface de robot pour recevoir le dispositif de placement sur un robot industriel ; une interface d'élément pour accepter des éléments de batterie à partir d'un moyen de transport ; un mécanisme d'orientation d'élément pour orienter les éléments de batterie dans une position polaire spécifique ; un effecteur de placement pour distribuer les éléments de batterie au bloc-batterie. L'invention concerne en outre un procédé d'équipement d'un bloc-batterie avec des éléments de batterie.
EP21727818.3A 2021-05-18 2021-05-18 Dispositif de placement, dispositif de montage et procédé associé Pending EP4342015A1 (fr)

Applications Claiming Priority (1)

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PCT/EP2021/063176 WO2022242833A1 (fr) 2021-05-18 2021-05-18 Dispositif de placement, dispositif de montage et procédé associé

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EP4342015A1 true EP4342015A1 (fr) 2024-03-27

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CN117080528B (zh) * 2023-10-13 2024-02-23 宁德时代新能源科技股份有限公司 电池堆叠方法及系统
CN117393833A (zh) * 2023-11-16 2024-01-12 无锡先导智能装备股份有限公司 捏折机构、制电芯装置、制电芯方法、叠片料带及电芯

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WO2022242833A1 (fr) 2022-11-24

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