WO2025003086A1 - Réseau de serrage et procédé pour maintenir en position basse des paires d'assemblage lors d'opérations d'assemblage par liaison de matière au moyen d'un ou plusieurs réseaux de serrage - Google Patents

Réseau de serrage et procédé pour maintenir en position basse des paires d'assemblage lors d'opérations d'assemblage par liaison de matière au moyen d'un ou plusieurs réseaux de serrage Download PDF

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Publication number
WO2025003086A1
WO2025003086A1 PCT/EP2024/067710 EP2024067710W WO2025003086A1 WO 2025003086 A1 WO2025003086 A1 WO 2025003086A1 EP 2024067710 W EP2024067710 W EP 2024067710W WO 2025003086 A1 WO2025003086 A1 WO 2025003086A1
Authority
WO
WIPO (PCT)
Prior art keywords
joining
hold
clamping
processes
array
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.)
Ceased
Application number
PCT/EP2024/067710
Other languages
German (de)
English (en)
Inventor
Steffen Wester
Thorsten Heeling
Markus Leimser
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to EP24737056.2A priority Critical patent/EP4735203A1/fr
Priority to CN202480043980.5A priority patent/CN121419853A/zh
Publication of WO2025003086A1 publication Critical patent/WO2025003086A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
    • B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • B23K26/142—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/528—Fixed electrical connections, i.e. not intended for disconnection

Definitions

  • the present invention relates to a clamping array with hold-down systems for joining pairs of a workpiece during material-bonded joining processes.
  • the hold-down systems each comprise at least one clamping element, at least one actuator for controllably holding down the joining pair by means of the at least one clamping element, at least one individual hold-down mask or one hold-down mask connected to the at least one clamping element.
  • the invention relates to methods for holding down joining pairs during material-bonded joining processes using one or more clamping arrays according to the invention, as well as the use of the clamping array according to the invention from hold-down systems.
  • WO 2021 138 706 A1 discloses a clamping device for clamping at least one cell for storing electrical energy, comprising a hold-down device with which a cell connector can be applied to the cell or cells at least in some areas without a gap. A separate hold-down device is provided for each cell, wherein the hold-down device or devices can be clamped against the cell or cells.
  • DE 10 2014 110 915 A1 relates to a hold-down device for holding a workpiece during a joining process, with a contact surface for applying a contact pressure to the workpiece and with a measuring electrode arranged in the contact surface for carrying out a resistance measurement. Furthermore, a welding device for laser welding or ultrasonic welding with such a hold-down device is disclosed.
  • the invention described here addresses the challenges mentioned and shows a way to minimize idle times during individual clamping of single joints through a new approach to the configuration of hold-down systems.
  • a clamping array with hold-down systems for joining pairs of a workpiece in material-locking joining processes, in particular welding processes is proposed.
  • the hold-down systems each comprise at least one clamping element, at least one actuator for the controllable holding down of the joining pair by means of the at least one clamping element, at least one individual hold-down mask or one hold-down mask connected to the at least one clamping element.
  • the hold-down systems are designed to be smaller in one spatial direction X than along the other two spatial directions YZ, namely with an extension in the spatial direction X that is a maximum of half of the largest extension in the spatial direction YZ, preferably a maximum of a third.
  • the hold-down systems can be controlled individually and individually regulated in terms of force or displacement, and the clamping array itself has an extraction system as a whole or within each of the hold-down systems.
  • Hold-down devices are generally known in the field and are used, for example, in material-bonded joining processes to bring the components to be joined (joining pairs) into contact with one another during the process, i.e. to hold them down together.
  • a clamping array according to the invention, several hold-down systems are arranged together and can be controlled together or individually, so that the respective hold-down of the individual hold-down devices can be specially designed by force and/or path control. In this way, several positions of a workpiece are processed simultaneously, but still individually.
  • hold-down positions of a workpiece can also be omitted or, in the case of unoccupied positions or rows in the workpiece (for example missing cells in a battery module), a clamping movement can be avoided.
  • the hold-down systems are designed in such a way that they are significantly smaller along one spatial direction X than along the other two spatial directions YZ, namely with an extension in spatial direction X that is a maximum of half of the largest dimension in the spatial direction YZ.
  • the dimension in the spatial direction X is a maximum of one third of the largest dimension in the spatial direction YZ.
  • the at least one clamping element used in the hold-down system of the clamping array according to the invention is preferably a clamping finger, but other designs are also possible, for example clamping brackets or toggle lever clamps.
  • the at least one actuator of the hold-down system can be designed, for example, pneumatic, electromechanical, hydraulic, thermomechanical (shape memory actuator with reset via spring, for example) or piezoelectric.
  • the hold-down systems are designed in such a way that they only perform a short stroke for the hold-down movement, i.e. a movement along the height axis of preferably less than 30 mm, whereby the hold-down is achieved.
  • the hold-down system has at least one hold-down mask, which can be present individually or integrated into the clamping element.
  • the hold-down system can also have a portable suction system, but this can also be available for the entire clamping array. This means that the suction can be global across all individual hold-downs, or it can be designed so that each individual hold-down has its own suction system.
  • Individual extraction systems can be combined at the clamping array level and fed into a common extraction unit.
  • the free opening of the clamping array of hold-down systems is oriented in the direction of the joining module, for example in the direction of a laser optics of a welding module.
  • the hold-down systems are positioned arbitrarily relative to one another along the spatial direction X.
  • the hold-down systems can be positioned in any configuration along the short spatial direction X. This allows connections to be held down that are close together along the short spatial direction of the clamping system, for example with center distances of the joints of 10 mm - 100 mm, 10 mm - 50 mm, or 10 mm - 30 mm. Using the example of joining processes on battery modules, joints can be processed that are closer together than the outer diameter of an individual cell.
  • the invention relates to a method for holding down joining pairs during material-to-material joining processes, in particular welding processes, using one or more clamping arrays according to the invention, comprising the positioning of the clamping array and joining pairs, the holding down and the material-to-material joining.
  • At least two clamping arrays according to the invention are used.
  • One or more, preferably two clamping arrays which in turn consist of several individual hold-down systems, can be used simultaneously for the desired joining processes.
  • two arrays work is carried out alternately. This means that one array holds down and a joining process is carried out, while the other is moved.
  • the workpiece is stationary and the clamping array(s) and one or more joining modules are moved over the workpiece for processing.
  • the clamping arrays with their hold-down systems are moved to the joining position and clamp the joining partners at the respective joining points.
  • the joining module for example an optic of a welding module for laser processing, is moved over the workpiece The joining takes place either statically, in a timed manner or in one pass.
  • the clamping arrays are moved individually.
  • the controls are carried out independently of one another, so that alternating work is possible.
  • the clamping array(s) and one or more joining modules are stationary and the workpiece is moved for processing.
  • a moving workpiece is processed with one or more stationary clamping arrays and one or more stationary joining modules.
  • the workpiece is constantly moved, for example by one clamping row of the workpiece, and temporarily remains stationary for the joining processes.
  • the workpiece and clamping array(s) are moved together during the joining process and then individually moved to new positions.
  • a moving workpiece is processed with one or more clamping arrays and one or more joining modules.
  • the workpiece does not remain stationary for the joining process and the clamping arrays are moved along with it.
  • the movement of the clamping arrays takes place in such a way that they move to the position of the workpiece to be held down, set down there, hold down and are moved along with the workpiece movement using their own axis.
  • the tension is released and the clamping array moves to the next location against the workpiece movement.
  • the clamping array can optionally perform an additional stroke perpendicular to the movement of the workpiece.
  • a combination of at least two clamping arrays can be used advantageously in particular in order to work.
  • the joining module or modules can be fixed or movable in this design.
  • the hold-down systems of the clamping arrays either clamp or relax all at the same time, in groups, array-wise or individually. This means that, depending on requirements, the control can be adapted to the existing conditions and kept as simple as possible, but also as individual as necessary for an optimal joining result.
  • parallelization takes place in that at least one other clamping array or a workpiece is moved to a new position during the clamping of at least one clamping array.
  • a second or several additional clamping arrays can be moved or offset to a new position and/or initiate the holding down of the joining pairs there.
  • the sequence is preferably controlled in such a way that one clamping array is clamped while the other clamping array(s) are relaxed and are moved to a new position.
  • the sequence of the hold-down positions is freely designed.
  • the invention also relates to a use of the clamping array according to the invention made up of hold-down systems for producing at least five material-locking connections, preferably at least 10 material-locking connections, in particular at least 100 material-locking connections, between joining pairs within a workpiece.
  • the use of the clamping array of hold-down systems according to the invention enables the material-locking joining of many joints, even those that are close to one another (see above, center distances of 10 mm - 100 mm, for example), as well as a short cycle time.
  • a cycle time is, for example, less than 1 s per joining process, in particular less than 0.2 s per joining process.
  • the use of the clamping array of hold-down systems according to the invention serves to produce material-locking connections between flexible joining partners with wall thicknesses of less than 3 mm, preferably less than 2 mm, particularly preferably 0.1 mm - 2 mm.
  • the material of the workpiece itself and of the joining partner is arbitrary (within the scope specified by the joining process).
  • the use of the clamping array of hold-down systems according to the invention serves to produce material-locking connections between joining partners, wherein material-locking joining is carried out by means of laser welding and laser optics, preferably a galvo scanner system.
  • Laser optics allow the welding process to be changed quickly and easily from one joining position to the next.
  • laser optics consisting of a galvo scanner system make it possible to jump back and forth between the joining positions very quickly by deflecting the deflection mirrors.
  • the use of the clamping array of hold-down systems according to the invention serves for the material-locking Joining, in particular welding, in particular laser welding, of connectors, in particular cell connectors for battery cells or battery modules.
  • the use is not limited to the designs mentioned, but can be used for other material-bonded joining processes (e.g. resistance welding, gas pressure welding, friction welding, diffusion welding, ultrasonic welding, explosive welding, electron beam welding) as well as for other connection systems.
  • material-bonded joining processes e.g. resistance welding, gas pressure welding, friction welding, diffusion welding, ultrasonic welding, explosive welding, electron beam welding
  • the focus of the present invention is to minimize downtime when individually clamping individual joints through a new approach to configuring hold-down systems and a method for sequencing clamping and joining functions.
  • the clamping array according to the invention addresses the problems that arise with prior art devices due to increasing material thicknesses and the associated necessary hold-down forces, increasing number of joining positions per workpiece (in particular increasing number of cells per battery module) and one-sided position of battery poles (in joining processes on battery systems).
  • many closely spaced individual welds must be reliably produced in a short cycle time.
  • the joining partner must be held down on the battery poles and thus clamped. Clamping all joints of the system at the same time leads to very high forces that are detrimental to the system technology and the battery system.
  • the structure of the hold-down system used in the clamping array according to the invention makes it possible to hold down closely spaced joining pairs, in particular with center distances of 10 mm - 100 mm, preferably 10 mm - 50 mm, particularly preferably 10 mm - 30 mm.
  • the clamping array according to the invention can be used particularly advantageously when the joining pairs are arranged in a dense packing - in particular not in two rows, but in multiple rows in a matrix arrangement (for example 7x26) of joining points.
  • the hold-down systems can be positioned in any configuration along the short spatial direction and can thus hold down connections that are close together along the short spatial direction of the clamping system (see center distances mentioned above), for example closer than the outer diameter of a single cell in a battery module.
  • the hold-down systems in the clamping array according to the invention can all be controlled individually and their force and/or displacement can be regulated. This means that joints can be omitted if necessary or, in the case of unoccupied joints, a hold-down movement can be avoided.
  • the force and/or displacement-adjustable operation of at least one clamping element makes it possible to adapt to height tolerances, which in conventional systems can have a negative effect on a homogeneous distribution of the clamping forces.
  • This effect is avoided by the hold-down systems used with the help of individually adjustable hold-down.
  • the hold-down is carried out by an individual hold-down actuator for each joint, which can be operated with force and/or displacement control as required depending on the existing conditions in order to create the optimal clamping state and not overload the surrounding system technology.
  • the use of adjustable hold-down force per joining pair improves the quality of the joining process and faulty joining processes (misjoinings) can be minimized.
  • a further advantage of the invention is the possibility of minimising the downtime in the hold-down process by parallelising the hold-down across a large number of individual hold-down systems, as well as a method for alternating clamping using two or more clamping arrays.
  • a second or several further clamping arrays can be moved or offset to a new position and/or initiate the holding down of the joining pairs.
  • the joining process on the next clamping array can begin immediately.
  • the previous joining pairs are relaxed, the clamping array offset and clamped again at the next joining position. This preferably takes place within the time required for the other clamping array(s) is required to join the joining pairs. This procedure is repeated until all joining pairs are welded.
  • the compact design of the hold-down system according to the invention also promotes a reduction in idle times, as this opens up the possibility of simultaneously individually clamping and relaxing many individual joining pairs.
  • This high level of dynamics when clamping and relaxing as well as when moving the hold-down system due to the compact design therefore also reduces the overall cycle times when using the hold-down system.
  • Such a cycle time is, for example, less than 1 s per joining process, in particular less than 0.2 s per joining process.
  • the modularity of the hold-down systems and the clamping arrays according to the invention is particularly advantageous because a high degree of reusability of the clamping arrays can be achieved across different types of workpieces and regardless of the detailed configuration of the product to be manufactured.
  • the individual controllability of the individual hold-downs ensures that different component configurations can be joined without any changes to the clamping array itself, even without a conversion process.
  • the generalization of the hold-down systems on the one hand and the individual controllability on the other hand allow a wide range of parts to be processed on a single clamping array system or station.
  • the clamping technology can therefore remain the same for the range of parts, while the control can be loaded and adapted based on product identification.
  • the clamping array according to the invention offers the advantageous possibility of arranging the hold-down systems in a way that allows for material-to-material joining at large angles of incidence - compared to those usual in the field - and thus provides more flexibility in terms of process control.
  • the free opening of the clamping array of hold-down systems is oriented in the direction of the joining module (e.g. laser optics).
  • the joining module e.g. laser optics.
  • Such a structure enables the joining speed, in particular a welding speed, to be maximized by the wide free beam angle of incidence on the Joining pair. Due to reflection, typical beam angles of incidence during joining processes are in the range of up to 15° deviation from the vertical.
  • angles of incidence in the range of 0° to 25° are at least possible, and in some designs even further ranges are possible.
  • the solution proposed according to the invention results in a high degree of flexibility with regard to the range of components, a minimization of idle times and a minimization of the total force acting on battery modules or battery cells.
  • Figure 1 shows a schematic structure for an inventive use of two clamping arrays comprising hold-down systems for machining a workpiece to be joined;
  • Figure 2 shows an exemplary embodiment of the clamping array comprising seven hold-down systems.
  • Figure 1 shows a schematic structure for an inventive
  • the system shown shows two clamping arrays 10 each comprising six hold-down systems 12, connected to a carrier element 18, a workpiece 36 - here a battery cell 37 - and a joining module 42 - here a welding module 42 comprising a laser optics 46.
  • the hold-down systems 12 are designed to be smaller in one spatial direction X 14 than along the other two spatial directions Y-Z 15, namely with an extension in the spatial direction X 14 that is a maximum of half of the largest extension in the spatial direction Y-Z 15, preferably a maximum of one third.
  • the free opening of the clamping array 10 made up of hold-down systems 12 is oriented in the direction of the joining module 42, which enables wide free angles of incidence 44 (at least 0° - 25°) for the joining process, which are defined as the angle between the laser beam 47 and the solder. This makes it possible to join in a material-bonded manner at large angles of incidence - compared to those usual in the field - and thus to obtain more flexibility with regard to process control.
  • the clamping arrays 10 with their hold-down systems 12 are moved to the hold-down position 13 and hold down the joining partners 33.
  • the movement or displacement takes place in the illustrated direction of movement 11 of the clamping array 10.
  • connectors 38, in particular cell connectors 39 are held down on a pole 34 of a battery cell 37 in the battery system or both poles 34 at the same time and then joined using the clamping array 10.
  • Cell connector 39 and pole 34 form the joining pair 32 here.
  • the material-to-material joining takes place either statically, in a cyclic manner or in one pass.
  • the second clamping array 10 - or several further clamping arrays 10 - can be moved or offset to a next, new joining or holding-down position 13 or initiate the holding-down of the joining pairs 32.
  • the next joining process can be carried out immediately on the other clamping array 10 (for example on the right). begin.
  • the joining pairs 32 (for example on the left) are then relaxed, the clamping array 10 is moved and clamped again at the next joining position. This preferably takes place within the time required for the clamping array 10 (for example on the right) to join the joining pairs 32 in a material-tight manner. This procedure is repeated until all the joining pairs 32 have been joined.
  • hold-down devices 12 can be controlled individually, corresponding hold-down systems 12 can be omitted during clamping if there are missing or unoccupied joining positions (for example, missing/unoccupied individual cells or cell rows).
  • the change in the joining process from left to right is carried out using the joining module 42 (welding module).
  • welding module 42 preferably using a laser optics 46, preferably consisting of a galvo scanner system, it is possible to jump back and forth very quickly between the welding positions by deflecting the deflection mirrors. This makes it possible to minimize the idle times in the hold-down process by parallelizing the hold-down using a large number of hold-down systems 12 on the one hand, and also by the method of alternating clamping using two or more clamping arrays 10 on the other.
  • Figure 2 shows an exemplary embodiment of the clamping array 10 with seven hold-down systems 12, which is intended to illustrate in particular the arrangement and connection of the hold-down systems 12 in the clamping array 10.
  • the components of the hold-down system 12 shown are a carrier element 18, an actuator 22, a guide system 26 in the illustrated guide direction 27 and a clamping element 20, which is connected to the actuator 22 and the (optional) guide and on which the hold-down mask 24 and suction channel 30 for suction 28 in the suction direction 29 are also located.
  • the clamping array 10 can be used to closely spaced hold-down positions 13 or joints are held down simultaneously for a joining process.
  • the hold-down systems 12 of the clamping array 10 can be controlled individually and can be individually adjusted in terms of force and/or travel. This makes it possible to respond specifically to irregularities in the workpiece 36, for example tolerances in the height profile or unoccupied joints.
  • the clamping array 10 is also characterized by its modular structure, both of the clamping array 10 itself, which consists of almost any arrangement of hold-down systems 12, and of the individual hold-down systems 12, which consist of various, individually combinable and exchangeable components. Finally, several clamping arrays 10 according to the invention can then be used in a system for joining processes in order to process a large number of joints in a short cycle time.

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Laser Beam Processing (AREA)

Abstract

L'invention concerne un réseau de serrage (10) comprenant des systèmes de maintien en position basse (12) pour des paires d'assemblage (32) d'une pièce à usiner (36) lors d'opérations d'assemblage par liaison de matière. Les systèmes de maintien en position basse (12) comprennent respectivement au moins un élément de serrage (20), au moins un actionneur (22) pour le maintien en position basse réglable de la paire d'assemblage (32) au moyen de l'élément ou des éléments de serrage (20), au moins un masque de maintien en position basse (24) individuel ou relié à l'élément ou aux éléments de serrage (20). Les systèmes de maintien en position basse (12) sont plus petits dans une direction spatiale X (14) que le long des deux autres directions spatiales Y-Z (15), à savoir avec une étendue dans la direction spatiale X (14) qui est au maximum égale à la moitié de la plus grande étendue dans la direction spatiale Y-Z (15). En outre, les systèmes de maintien en position basse (12) peuvent être commandés individuellement et réglés individuellement en force ou en distance, et le réseau de serrage (10) lui-même comporte une aspiration (28) dans son ensemble ou respectivement à l'intérieur des systèmes de maintien en position basse (12). En outre, l'invention concerne des procédés de maintien en position basse de paires d'assemblage (32) lors d'opérations d'assemblage par liaison de matière faisant intervenir un ou plusieurs réseaux de serrage (10) selon l'invention, ainsi que l'utilisation du réseau de serrage (10) selon l'invention constitué de systèmes de maintien en position basse (12).
PCT/EP2024/067710 2023-06-27 2024-06-25 Réseau de serrage et procédé pour maintenir en position basse des paires d'assemblage lors d'opérations d'assemblage par liaison de matière au moyen d'un ou plusieurs réseaux de serrage Ceased WO2025003086A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP24737056.2A EP4735203A1 (fr) 2023-06-27 2024-06-25 Réseau de serrage et procédé pour maintenir en position basse des paires d'assemblage lors d'opérations d'assemblage par liaison de matière au moyen d'un ou plusieurs réseaux de serrage
CN202480043980.5A CN121419853A (zh) 2023-06-27 2024-06-25 夹紧阵列和用于借助于一个或多个夹紧阵列在材料锁合的接合过程中压紧接合对的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102023206016.7 2023-06-27
DE102023206016.7A DE102023206016A1 (de) 2023-06-27 2023-06-27 Spannarray und Verfahren zum Niederhalten von Fügepaaren bei stoffschlüssigen Fügevorgängen mittels eines oder mehrerer Spannarrays

Publications (1)

Publication Number Publication Date
WO2025003086A1 true WO2025003086A1 (fr) 2025-01-02

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PCT/EP2024/067710 Ceased WO2025003086A1 (fr) 2023-06-27 2024-06-25 Réseau de serrage et procédé pour maintenir en position basse des paires d'assemblage lors d'opérations d'assemblage par liaison de matière au moyen d'un ou plusieurs réseaux de serrage

Country Status (4)

Country Link
EP (1) EP4735203A1 (fr)
CN (1) CN121419853A (fr)
DE (1) DE102023206016A1 (fr)
WO (1) WO2025003086A1 (fr)

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CN105359239B (zh) * 2013-06-27 2018-09-21 布鲁技术公司 用于存储电能的模块的生产方法，相关的生产工具和通过实施该方法而获得的用于存储电能的模块
WO2021138706A1 (fr) 2020-01-09 2021-07-15 Voltlabor Gmbh Dispositif de serrage

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CN104439727B (zh) 2014-11-20 2016-08-17 刘厚德 用于电池激光焊接的夹具
DE102018115694A1 (de) 2018-06-28 2020-01-02 Faurecia Emissions Control Technologies, Germany Gmbh Fügevorrichtung
DE102019102233A1 (de) 2018-12-20 2020-06-25 Volkswagen Aktiengesellschaft Verfahren und Vorrichtung zur Herstellung eines Bauteilverbunds sowie Kraftfahrzeug

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Publication number Priority date Publication date Assignee Title
CN105359239B (zh) * 2013-06-27 2018-09-21 布鲁技术公司 用于存储电能的模块的生产方法，相关的生产工具和通过实施该方法而获得的用于存储电能的模块
DE102014110915A1 (de) 2014-07-31 2016-02-04 Thyssenkrupp Ag Niederhalter, Schweißvorrichtung und Verfahren zum Überprüfen des Vorhandenseins und/oder der Qualität einer Fügeverbindung
CN107030405A (zh) * 2017-05-08 2017-08-11 安徽欧鹏巴赫新能源科技有限公司 动力电池模组激光焊接工装
WO2021138706A1 (fr) 2020-01-09 2021-07-15 Voltlabor Gmbh Dispositif de serrage

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CN121419853A (zh) 2026-01-27
DE102023206016A1 (de) 2025-01-02
EP4735203A1 (fr) 2026-05-06

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