CN221466628U - Rack mechanism and welding device - Google Patents

Abstract

The machine frame mechanism comprises a machine tool base, a protective cover and a man-machine control interface, wherein the protective cover is covered above the machine tool base, and the man-machine control interface is arranged on one side of the protective cover; the machine tool base comprises a base frame, a base panel, a base bottom plate and a working table surface, wherein the base bottom plate is arranged at the bottom of the base frame, the working table surface is arranged at the upper end of the base frame at intervals and exposes the base frame in the middle, the base panel is arranged at the periphery of the base frame and is exposed at least partially at two sides of the base frame, and at least part of the exposed base panel corresponds to the exposed part of the working table surface.

Description

Rack mechanism and welding device

Technical Field

The utility model relates to the technical field of battery production, in particular to a frame mechanism and a welding device.

Background

With the rapid development of new energy industry, lithium ion battery modules are increasingly used with high energy density and long cycle life. The frame mechanisms of the existing welding device or other devices for producing the lithium ion battery module are various and are built by aluminum profile frames, so that the welding device has no unified standard, and the whole battery production system is disordered and not attractive; on the other hand, each device needs to be constructed manually during production, has low efficiency and can only be suitable for small-batch production.

Disclosure of utility model

The utility model provides a frame mechanism and a welding device, wherein the frame mechanism is matched with and fixed to the welding device, the detecting device and other specifications in a battery production system, the problem of fixed installation of a plurality of addressing devices, cleaning devices, welding devices, dust removing devices, detecting devices and other products with different specifications in the battery production technology is solved, the attractiveness of all devices in the battery production system is ensured, and meanwhile, different frame mechanisms are not required to be built again for each device, so that the frame mechanism is suitable for production of a large number of devices.

According to a first aspect of the present utility model, there is provided a frame mechanism for use in all devices in battery production technology, the frame mechanism comprising a machine tool base, a protective cover and a man-machine control interface, the protective cover being arranged above the machine tool base, the man-machine control interface being mounted on one side of the protective cover;

The machine tool base comprises a base frame, a base panel, a base bottom plate and a working table surface, wherein the base bottom plate is arranged at the bottom of the base frame, the working table surface is arranged at the upper end of the base frame at intervals and exposes the base frame in the middle, the base panel is arranged at the periphery of the base frame and is exposed at least partially at two sides of the base frame, and at least part of the exposed base panel corresponds to the exposed part of the working table surface.

In the frame mechanism according to an embodiment of the present utility model, the base frame includes a first frame structure, a second frame structure, and a third frame structure, the third frame structure is disposed between the first frame structure and the second frame structure, the base panel is disposed outside the first frame structure and the second frame structure, and the table top is disposed at upper ends of the first frame structure and the second frame structure.

In the frame mechanism of an embodiment of the present utility model, the base panel includes a base side door, the first frame structure encloses a first accommodating cavity, the second frame structure encloses a second accommodating cavity, and the base side door is disposed on two sides of the first accommodating cavity and the second accommodating cavity.

In the frame mechanism according to an embodiment of the present utility model, the base panel includes a base front door, and the base front door is disposed on a side of the first accommodating cavity facing an operator, and is used for opening the first accommodating cavity to place the laser and the industrial personal computer of the welding device.

In the frame mechanism of an embodiment of the present utility model, the base panel includes a base back door, and the base back door is disposed on a side of the second accommodating cavity facing away from the first frame structure, and is used for opening the second accommodating cavity to place the electric control board of the welding device.

In the frame mechanism according to an embodiment of the present utility model, the protection cover includes a cover frame, cover side plates, and cover door plates, the cover frame is connected to the base frame, the cover side plates are disposed on both sides of the cover frame, and the cover door plates are disposed on front and rear sides of the cover frame.

In the frame mechanism according to an embodiment of the present utility model, the protective cover includes a lifting door, the lifting door is disposed on two sides of the cover frame, and the lifting door corresponds to the exposed portion of the base panel and the exposed portion of the table top.

In the frame mechanism according to an embodiment of the present utility model, the protection cover includes a follower slide rail disposed on the cover frame and located at a rear side of the cover frame, for protecting an optical fiber of the welding device.

In the frame mechanism of an embodiment of the utility model, the protective cover comprises a cover body ceiling and a warning lamp, wherein the cover body ceiling is arranged at the top of the cover body frame, and the warning lamp is arranged at the upper end of the cover body ceiling.

According to a second aspect of the present utility model, there is also provided a welding apparatus comprising a drive mechanism, a welding mechanism and the above-described frame mechanism, the welding mechanism being mounted in the frame mechanism by the drive mechanism.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application designs a frame mechanism and a welding device, wherein the frame mechanism comprises a machine tool base, a protective cover and a man-machine control interface, the protective cover is arranged above the machine tool base, the man-machine control interface is arranged on one side of the protective cover, the machine tool mechanism can be suitable for all devices in a battery production technology, the problem of fixed installation of a plurality of addressing devices, cleaning devices, welding devices, dust removing devices, detection devices and other products in different specifications in the battery production technology is solved, the aesthetic property of all devices in a battery production system is ensured, and meanwhile, different frame mechanisms are not required to be built again for each device, so that the machine tool mechanism is suitable for the production of a large number of devices.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of a portion of a welding system according to one embodiment of the present application;

FIG. 2 is a schematic illustration of another portion of a welding system provided in accordance with an embodiment of the present application;

FIG. 3 is a schematic view of the welding apparatus of FIG. 1;

FIG. 4 is an exploded view of the welding apparatus of FIG. 1;

FIG. 5 is a schematic view of the shield of FIG. 1;

FIG. 6 is an exploded view of the shield of FIG. 1;

FIG. 7 is a schematic view of the machine bed of FIG. 1;

FIG. 8 is an exploded view of the machine bed of FIG. 1;

FIG. 9 is a schematic diagram of the drive mechanism of FIG. 1;

FIG. 10 is an exploded schematic view of the drive mechanism of FIG. 1;

FIG. 11 is a schematic view of the welding mechanism of FIG. 1;

FIG. 12 is an exploded schematic view of the welding mechanism of FIG. 1;

FIG. 13 is a schematic structural view of the EOL test mechanism of FIG. 1;

FIG. 14 is an exploded schematic view of the EOL test mechanism of FIG. 1.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is also to be understood that the terminology used in the description of the present utility model is for the purpose of describing the particular embodiments only, and it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. refer to the orientation or positional relationship as indicated on the basis of the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Some embodiments of the present application are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

As shown in fig. 1 to 14, the present application provides a welding and packing system for a battery module, including a welding system for welding aluminum bars to poles of a battery module 1000 and performing EOL test on the battery module 1000. The packaging system is used for gluing the battery module row for finishing the EOL test and packaging the battery module, so that the assembly efficiency of the battery module is improved, the manual operation steps in the assembly process are reduced, the labor intensity of production personnel is reduced, and the production cost is saved.

Illustratively, the welding system includes a speed-chain transmission device, a welding device 100, and a detection device 500, where the welding device 100 and the detection device 500 are disposed on the speed-chain transmission device and are sequentially arranged along the direction of the processing procedure. The double-speed chain transmission device is used for driving each tray jig to sequentially enter the welding device 100 and the detection device 500 for processing or detecting, and the welding device 100 is used for welding the battery modules moved into the welding device 100 so as to weld the aluminum bars placed on the polar posts; the detection device 500 is used for performing EOL test on the battery module 1000, and the EOL test includes, but is not limited to, insulation voltage resistance detection.

Wherein, the packaging system includes the rubber coating device, and is provided with the line mechanism 600 that changes between welding system and the packaging system, changes line mechanism 600 and is arranged in the battery module 1000 that detection device 500 accomplished insulation withstand voltage detection changes the rubber coating device for the rubber coating device can carry out rubber coating or rubberizing to battery module 1000, with the manual operation step of reduction assembly process, reduces production personnel's intensity of labour, practices thrift manufacturing cost.

It should be noted that, other assembling procedures for realizing the assembly of the battery module 1000 are further provided on the packaging system, so that the battery module 1000 forms a complete energy storage unit, and thus, a direct current bus can be provided to the outside, so as to meet the voltage requirement and the electric quantity storage requirement of the user side. The assembly processes can include, but are not limited to, taking out defective battery modules by using an automatic device and carrying out subsequent treatment on the battery modules, including packaging and the like, and the welding system mainly lays a cushion for the packaging system so as to reduce the manual operation steps in the assembly process, reduce the labor intensity of production personnel and save the production cost.

In an alternative embodiment, the double-speed chain transmission device comprises a transmission belt and a plurality of tray jigs, wherein a feeding end, an addressing section, a cleaning section, a welding section, a dust removing section, a detecting section and a wire rotating end are arranged on the transmission belt. The conveying belt is used for driving each tray jig to sequentially pass through the feeding end, the addressing section, the cleaning section, the welding section, the dust removing section, the detecting section and the line turning end, and after the tray jigs reach the line turning end, the tray jigs continue to move along with the conveying belt and return to the feeding end, namely, the conveying belt drives a plurality of tray jigs to circularly flow.

In an alternative embodiment, in order to avoid that the tray jig is reversely moved by an external force when the battery module is assembled, the transmission belt further comprises a plurality of stop assemblies, the stop assemblies are arranged on the transmission belt at intervals, and the stop assemblies are used for being abutted with the outer wall of the tray jig.

Specifically, the stop component only allows the tray jig to pass through along the transmission direction of the transmission belt, and when the tray jig moves along the transmission direction of the transmission belt, the stop component is abutted with the outer wall of the tray jig to prevent and continuously move.

In an alternative embodiment, the stop assembly comprises a housing seat, a reset piece and a blocking insert, wherein the housing seat is arranged on the conveying belt, the blocking insert is accommodated in the housing seat, the reset piece pushes the blocking insert to be far away from the housing seat, and the blocking insert is used for being abutted with the outer wall of the tray jig. When the tray jig moves along the transmission direction of the transmission belt, the tray jig can press the blocking insert into the accommodating seat, and after the tray jig passes through, the reset piece provides elastic force to drive the blocking insert to stretch out again, otherwise, when the tray jig moves along the transmission direction of the transmission belt, the tray jig cannot press the blocking insert, and the blocking insert blocks the tray jig so that the tray jig cannot continue to translate.

In an alternative embodiment, the welding system includes a dust removing device 400 sequentially disposed along the direction of the processing procedure, the dust removing device 400 is disposed between the welding device 100 and the detecting device 500, the double speed chain transmission device includes a third conveyor line and a fourth conveyor line, the third conveyor line is disposed between the welding device 100 and the dust removing device 400, the fourth conveyor line is disposed between the dust removing device 400 and the detecting device 500, and the dust removing device 400 is used for cleaning the welding slag of the battery module completed by the welding device 500.

In an alternative embodiment, the welding system includes a cleaning device 200 sequentially disposed in a machining process direction, the cleaning device 200 being disposed at a previous process of the welding device 100, and the double speed chain transmission device includes a second conveyor line disposed between the cleaning device 200 and the welding device 100, the cleaning device being for performing laser cleaning on a post surface of the battery module moved into the cleaning device 200.

In an alternative embodiment, the welding system includes an addressing device 300 sequentially disposed along the direction of the processing procedure, the addressing device 300 is disposed at the previous procedure of the cleaning device 200, the double-speed chain transmission device includes a first conveyor line, the first conveyor line is disposed between the addressing device 300 and the cleaning device 200, and the addressing device 300 is used for photographing the battery module moved into the addressing device 300 so as to obtain the position information of the pole on the battery cell in the battery module.

In an alternative embodiment, the same frame mechanism 10 is adopted among the addressing device 300, the cleaning device 200, the welding device 100, the dust removing device 400 and the detecting device 500, so that the problem of fixing and installing a plurality of addressing devices 300, the cleaning device 200, the welding device 100, the dust removing device 400, the detecting device 500 and other products with different specifications in the battery production technology is solved, the attractiveness of all devices in a battery welding system is ensured, and meanwhile, different frame mechanisms 10 are not required to be built again for each device, so that the battery welding system is suitable for the production of a large number of devices.

After the technical scheme is adopted, as the frame mechanism 10 is generally designed according to the use specification of the device, the frame mechanism 10 used by the device in the battery production technology is not uniform in standard specification, and different frame mechanisms 10 lead to poor aesthetic property of the whole welding system, and even the frame mechanism 10 cannot be used generally, so that the design cost is increased and the adjustment is difficult. The present application proposes a universal frame mechanism 10 that can withstand heavy loads while being universal and easy to adjust. The specifications of the frame mechanism 10 and the addressing device 300, the cleaning device 200, the welding device 100, the detecting device 500 and the like in the battery welding system are matched and fixed, so that the problem of fixed installation of a plurality of products with different specifications, such as the addressing device 300, the cleaning device 200, the welding device 100, the dust removing device 400, the detecting device 500 and the like in the battery production technology is solved, the aesthetic property of all devices in the battery welding system is ensured, and meanwhile, different frame mechanisms 10 are not required to be built again for each device, and the frame mechanism is suitable for the production of a large number of devices.

For example, four or more supporting feet may be provided on the frame mechanism 10, more specifically, a plurality of positions may be provided according to the bearing, the base frame may be a steel welded supporting frame, and the steel may be square, rectangular, channel steel, etc. The supporting legs can be arranged on the supporting frames similar to the supporting frames with the length and width of more than 1m, so that the bearing capacity of the base frame can be ensured, and the overlarge welding deformation can be prevented on the premise of ensuring the welding precision.

In an alternative embodiment, the welding system further includes a stacking device, and the speed-chain transmission device further includes a fifth transfer line, where the stacking device is disposed in a previous processing procedure of the addressing device 300, for stacking and combining the battery cells to form the battery module 1000, and the fifth transfer line is disposed between the stacking device and the addressing device 300, such that the battery module is transferred to the addressing device via the fifth transfer line.

In an alternative embodiment, the stacking device includes a cell stacking manipulator, a cell pre-stacking mechanism 800, and a bundling mechanism, where the cell stacking manipulator is used to move the cells into the cell pre-stacking mechanism for stacking, and the bundling mechanism is used to apply pressure to the cells stacked by the cell pre-stacking mechanism and press-fit the cells into a battery module with a preset size, and then a bundling belt is sleeved on the outer side of the battery module for fixing.

In an alternative embodiment, the stacking device further includes a manipulator grabbing mechanism 900, where the manipulator grabbing mechanism 900 is used to grab and move the battery modules on the cell pre-stacking mechanism into the extrusion station, the bundling mechanism bundles and fixes the battery modules in the extrusion station, and then the manipulator grabbing mechanism moves the battery modules after the bundling and fixing are completed into the fifth conveying line.

In an alternative embodiment, the welding system further comprises a code scanning device, and the code scanning device is arranged in the previous processing procedure of the stacking device and is used for sorting, scanning and labeling the battery cells.

In an alternative embodiment, the welding system further includes a feeding device 700, and the speed-doubling chain transmission device further includes a sixth conveying line, where the sixth conveying line is disposed between the feeding device and the code scanning device, and the feeding device 700 is disposed in a previous processing procedure of the code scanning device and is used for conveying the battery cells into the sixth conveying line.

In an alternative embodiment, the feeding device 700 includes a six-axis robot, the head of the six-axis robot is provided with a connecting seat, and the connecting seat is hollow, so as to facilitate wiring, and is positioned on the head of the six-axis robot through a positioning pin and locked by a screw. The connecting seat is fixedly provided with a mounting base, and the mounting base is positioned on the connecting seat through a positioning pin and is locked by a screw.

In an alternative embodiment, the mounting base is provided with a cubic or cuboid structure and the like having six-sided structures, two opposite sides of the cubic or cuboid structure are penetrated so as to facilitate wiring and reduce weight at the same time, and the other four sides of the cubic or cuboid structure are respectively provided with a first mounting part for mounting the first feeding clamp, a second mounting part for mounting the second feeding clamp and a wiring part. The first mounting part and the second mounting part can be provided with threaded holes for locking the first feeding clamp and the second feeding clamp and wiring holes for wiring. The wiring part can be provided with a plurality of through grooves or through holes, and the air pipes or the cables can be limited to be mutually wound due to the swing of the six-axis robot while wiring. In addition, the mounting base can be of other structures, such as a structure formed by mutually locking a connecting plate with a plurality of mounting parts for mounting the feeding clamp.

In an optional embodiment, a loading clamp is installed on the installation base, the loading clamp at least comprises a detection part, a first loading clamp and a second loading clamp, the detection part comprises a loading CCD and at least two light sources, and the detection part is used as a vision system of the six-axis robot to determine the assembly position of each material; in addition, the detection portion further comprises a third mounting plate used for mounting the feeding CCD and the light source, the light source can be a strip-shaped light source and comprises at least two positions, so that the feeding CCD can acquire different position information, the light source can be arranged on two sides of the feeding CCD, and the light source can also be arranged according to the position detected by practical needs. In order to conveniently adjust the optimal position of the light source, the mounting position of the light source along the detection direction of the feeding CCD is adjustable. The mounting structure of the light source can be provided with waist-shaped holes, and a plurality of screw holes used for locking the light source and distributed along the detection direction of the feeding CCD are arranged on a third mounting plate for mounting the light source.

In an alternative embodiment, the welding system further includes a recycling mechanism disposed between the dust removing device 400 and the detecting device 500 for recycling the defective battery module.

In an alternative embodiment, the wire transferring mechanism 600 is provided in the latter process of the inspection device 500 for transferring the battery module, which completes the insulation and voltage resistance inspection, to another welding system, i.e., a packing system.

In an alternative embodiment, the line transfer mechanism 600 includes a double-wishbone truss, a hoisting fixture connected to the double-wishbone truss for transferring the battery module 1000 for performing insulation and voltage resistance detection on the detection device 500 into the packaging system, and a line transfer scanning gun for scanning and recording data of the battery module passing through the line transfer mechanism.

In an alternative embodiment, the hoisting fixture comprises a hoisting frame and a module fixture, the module fixture comprises a connecting frame and a first clamping plate and a second clamping plate which are arranged at intervals, the first clamping plate and the second clamping plate are connected with the hoisting frame through the connecting frame, and the hoisting frame is connected with the double-cross arm truss crane.

In an alternative embodiment, a CCS mounting mechanism is provided between the cleaning device 200 and the welding device 100, so that the integrated CCS assembly can be fixed on the terminal end of the battery module through a positioning fixture or a clamp, where the CCS assembly refers to a collection integrated member of the battery module, mainly for facilitating the collection of the voltages of the cells on the same side.

It should be noted that the welding system may be operated by equipment or manually during the process of the strapping mechanism and CCS installation mechanism, and is designed primarily based on the spatial layout of the welding system, and the present application is not limited thereto.

After the technical scheme is adopted, the welding system comprises the feeding device 700, the code scanning device, the stacking device, the addressing device 300, the cleaning device 200, the welding device 100, the dust removing device 400 and the detecting device 500, so that the feeding device 700 can feed materials, and the feeding device 700 can take five electric cores to a sixth conveying line each time; the code scanning device can measure the thickness of the battery cells and sort the battery cells so that the battery cells with different thicknesses can be output separately and the battery cells which do not meet the requirements can be recovered; the stacking device can stack the battery cells and adopt servo extrusion, the servo extrusion is provided with a closed-loop pressure feedback device, the battery cells can be prevented from being crushed, and the battery cells are sleeved into the steel belt after being stacked. The addressing device 300 can complete the calibration of the coordinate position of the battery cell and bind with the battery module, and the coordinate position is uploaded to the welding system control system. The cleaning device 200 can perform laser cleaning on the pole of the battery module according to the coordinate data of the addressing device 300, so that the welding device 100 can weld the aluminum bar and the pole of the battery module together, and then the welded battery module is subjected to dust removal cleaning and detection by the dust removal device 400, and meanwhile, the dust removal device 400 also utilizes a dust extractor to extract dust particles, so that the dust particles cannot interfere when the detection device 500 detects, and the assembly efficiency of the battery module is improved; 3. the manual operation steps in the assembly process are reduced, the labor intensity of production personnel is reduced, and the production cost is saved.

In an alternative embodiment, the welding device 100 includes the frame mechanism 10, the driving mechanism and the welding mechanism 20, where the driving mechanism includes the gantry 30 and the driving assembly, the welding mechanism 20 includes the welding fixing plate 26, the pressing structure 23, the dust collection structure and the laser welding head 21 for welding the workpiece, the laser welding head 21 is fixed on the gantry 30 through the welding fixing plate 26, and the pressing structure 23 and the dust collection structure are connected to the laser welding head 21, so that the driving assembly can drive the laser welding head 21, the pressing structure 23 and the dust collection structure to move along the X axis, the Y axis and the Z axis of the frame mechanism 10. The pressing structure 23 is used for pressing the object to be welded, the dust collection structure is used for absorbing particles generated during welding of the object to be welded, and the laser welding head 21 can be used for aluminum bars for welding the pole on the battery cell. The laser welding technology has the advantages of low heat input, high power density, small heat affected zone, small welding deformation, easy control and the like.

In an alternative embodiment, the battery module is provided with a plurality of electric cores along the length direction, and the poles of two adjacent electric cores are welded together through aluminum bars.

In an alternative embodiment, because the independent aluminum bar is horizontally placed on the top surfaces of the poles of two electric cores when being welded between the electric cores through the laser welding head, and because the aluminum bar belongs to the sheet metal stamping part, the contact area is smaller when the poles of the electric cores are welded with the aluminum bar, the welding holes of the aluminum bar are required to be manually aligned with the pole holes of the electric cores, and in the alignment process, the problem of manual alignment error exists, so that the alignment deviation of the welding holes of the aluminum bar and the pole holes of the electric cores is caused.

In an alternative embodiment, the CCS mounting mechanism further includes a positioning jig that may be used to position a plurality of aluminum bars on the battery module.

The positioning jig comprises a tooling plate and a limiting plate, wherein the tooling plate is of a rectangular plate-shaped structure, and the length of the tooling plate is equal to that of the battery module; wherein, can the level demountable installation at battery module's top surface when using, set up a plurality of mounting holes that correspond with the position of aluminium bar on the frock board, this mounting hole link up the frock board, the aperture of mounting hole is greater than the utmost point post sum on two electric cores, the aperture of mounting hole is greater than the aluminium bar area of welding mutually with the utmost point post of two electric cores simultaneously, from this, in carrying out aluminium bar welding process, firstly place aluminium bar level between the utmost point post of two electric cores, install frock board level at battery module top surface again, at this moment, aluminium bar and battery utmost point post pass the mounting hole respectively.

In an alternative embodiment, in order to realize fixing a position aluminium bar, the mounting groove has been seted up in the top surface of frock board lies in mounting hole department, limiting plate level sets up in the mounting groove, be provided with the spacing hole that is used for cup jointing aluminium bar on the limiting plate, from this, after aluminium bar passes the mounting hole, can peg graft in the spacing hole, the limiting plate can carry out horizontal constraint to aluminium bar, mounting groove and limiting plate clearance fit simultaneously, so, through the horizontal motion limiting plate in the mounting groove, can drive aluminium bar for frock board in the mounting hole horizontal migration, adjust aluminium bar translation in XY direction, and then adjust the alignment precision of aluminium bar welding hole and the utmost point post hole of electric core, thereby make up the busbar and the utmost point post welding skew problem of electric core that leads to because of clearance error between the electric core. Therefore, the position accuracy of the welding hole of the aluminum bar and the electrode column hole of the battery cell can be regulated in a floating mode through the tool fixture, and therefore the welding accuracy of the aluminum bar and the battery cell is guaranteed.

In an alternative embodiment, the laser welding head 21 includes a lens holder and a laser lens, the laser lens is mounted on the welding plate 26 via the lens holder, and the pressing structure 23 and the dust suction structure are connected to the lens holder and extend toward the lower side of the lens holder. Wherein, dust collection structure is connected with outside dust collection equipment.

In the use process, after the double-speed chain transmission device transmits the battery module to the frame mechanism 10 of the welding device 100, a control signal is sent to the welding device 100 to start laser, meanwhile, the driving assembly is controlled to move to drive the laser vibrating lens to correspondingly rotate, the jacking structure 23 can press aluminum bars on the pole of the battery module, so that welding spots move in the range of the laser vibrating lens, the laser is irradiated on the pole of the battery module for processing after being emitted, and the dust collection structure can absorb particles generated during welding of a welded object; when the range of the welding spot exceeds the range of the laser vibration lens, the driving component adjusts the position so that the new welding spot is in the range of the laser vibration lens again.

In an alternative embodiment, the welding mechanism 100 comprises a dust blowing structure 24, wherein the dust blowing structure 24 is connected with the lens bracket and is arranged below the laser vibration lens and above the jacking structure so as to form high-pressure air flow, thereby effectively preventing a molten pool welded at the bottom and smoke dust from flying up to pollute the lens of the laser vibration lens; through breathing in, form powerful gaseous convection current, be favorable to absorbing splash and smoke and dust, can more effective protection laser shake the lens of camera lens, welded smoke and dust also can be absorbed by dust extraction structure simultaneously, has also avoided polluted air, influences operation personnel's respiratory health. Wherein the air is blown outwards through the dust blowing structure 24, and the suction effect is achieved through suction of the dust collecting structure.

In an alternative embodiment, the dust blowing structure 24 includes a first connecting rod and at least one group of blowing components, one end of the first connecting rod is connected to the lens support, and the at least one group of blowing components are disposed on the first connecting rod at intervals and can blow towards one side of the laser vibrating lens, so as to form at least two high-pressure air flows up and down, thereby effectively preventing the molten pool welded at the bottom from flying up with smoke dust to pollute the field lens.

In an alternative embodiment, in order to adjust the height position of the blowing component, the dust blowing structure 24 further includes an adjusting seat, the adjusting seat is provided with an adjusting seat through hole, the first connecting rod movably passes through the adjusting seat through hole, the adjusting seat is provided with a fastening screw, and the fastening screw stretches into the adjusting seat through hole to tightly prop against the first connecting rod. The fastening screw is loosened, and the adjusting seat can move up and down along the first connecting rod, so that the proper position of the blowing assembly can be adjusted along with the change of the welding focal length of the laser vibration lens, the self-contained adjustable mechanism can be matched, and the use flexibility is higher. The number of the first connecting rods is two, and two ends of the adjusting seat are respectively arranged on the two first connecting rods.

In an alternative embodiment, the propping structure 23 comprises a propping piece, a propping transmission assembly and a propping driving piece connected with the vibration lens bracket, wherein the propping driving piece is connected with the propping piece through the propping transmission assembly and used for driving the propping piece to press and hold the object to be welded.

In an alternative embodiment, the dust collection structure comprises a first connecting frame 27 and a negative pressure suction nozzle 22 in a J-shaped structure, wherein the vertical end of the negative pressure suction nozzle 22 is connected with the vibration lens bracket through the connecting frame 27, and the bent end of the negative pressure suction nozzle 22 faces to the pressing structure and is used for absorbing particles generated when welding a welding object.

In an alternative embodiment, the welding mechanism 20 further comprises a side gauge mounting block and a laser range finder 28, the laser range finder 28 being mounted on the first connection frame 27 by the side gauge mounting block for detecting the distance of the laser welding head 21 from the object to be welded. Wherein, the object to be welded is a pole or an aluminum bar of the battery module.

In an alternative embodiment, the welding mechanism 20 further includes a CCD vision module 25, and the CCD vision module 25 is mounted on the vibration lens holder and located above the object to be welded, such that the optical axis of the CCD vision module 25 is directed toward the object to be welded.

In an alternative embodiment, gantry 30 includes a stationary upright 34, an X-axis assembly 32, a Y-axis assembly 31, and a Z-axis assembly 33, Y-axis assembly 31 being coupled to frame mechanism 10 via stationary upright 34, Z-axis assembly 33 being coupled to Y-axis assembly 31 via X-axis assembly 32, and weld fixture plate 26 being coupled to Z-axis assembly 33.

In an alternative embodiment, the driving assembly comprises an X-axis driving member, a Y-axis driving member and a Z-axis driving member, wherein the X-axis driving member is arranged in the X-axis assembly and used for driving the welding mechanism to move along the X-axis direction, and the Y-axis driving member is arranged in the Y-axis assembly and used for driving the welding mechanism to move along the Y-axis direction; the Z-axis driving piece is arranged in the Z-axis assembly and used for driving the welding mechanism to move along the Z-axis direction.

In an alternative embodiment, the detection device 500 includes the above-mentioned frame mechanism 10, a blocking mechanism, a jacking mechanism, and an EOL testing mechanism 40, where the blocking mechanism, the jacking mechanism, and the EOL testing mechanism 40 are all installed in the frame mechanism 10, the blocking mechanism is used to block the tray fixture flowing into the frame mechanism 10 and the battery module 1000 placed on the tray fixture, the jacking mechanism is used to jack up the battery module 1000 on the tray fixture, and the test probe on the EOL testing mechanism 40 is pressed down and contacts with the total electrode of the battery module for testing the voltage, the internal resistance, and the insulation withstand voltage of the battery module. The test probes can be adjusted in the X-axis direction and the Y-axis direction, so that the test requirements of battery modules of different specifications are met, and different devices are not required to be replaced, thereby saving the test cost.

In an alternative embodiment, the EOL testing mechanism comprises a mounting assembly 43, a control bracket 42, a driving member 44 and a plurality of groups of probe modules 41, wherein the driving member 44 is mounted on the frame mechanism 10 through the mounting assembly 43, the plurality of groups of probe modules 41 are connected with the driving member 44 through the control bracket 42, so that the driving member 44 can drive the plurality of groups of probe modules 41 to move towards and contact with the total electrode of the battery module, and the automatic insertion with the total electrode of the battery module is realized; meanwhile, the detection device 500 can automatically run for testing, and can also be assembled with a welding system of the battery module, so that labor is reduced, and efficiency is improved. The driving member 44 is used for driving the control bracket 42 and the plurality of probe modules 41 to descend so that the plurality of probe modules 41 move close to the battery module, or driving the control bracket 42 and the plurality of probe modules 41 to ascend so that the plurality of probe modules 41 move away from the battery module.

In an alternative embodiment, the mounting assembly 43 includes a fixed bracket 431 and an adjusting assembly, the adjusting assembly is mounted on the frame mechanism by the fixed bracket 431, and the driving member 44 is in driving connection with the adjusting assembly, so that the adjusting assembly can adjust the height of the driving member 44, and thus, the testing of battery modules with different heights can be adapted.

In an alternative embodiment, the adjusting assembly includes an adjusting hand wheel 437, a lifting screw rod 438 and a lifting nut seat, the lifting nut seat is fixedly connected with the fixing bracket 431, the lifting screw rod 438 is in transmission connection with the lifting nut seat, the adjusting hand wheel 437 is connected with the lifting screw rod 438 for adjusting the distance between the driving member 44 and the fixing bracket 431, so that the plurality of groups of probe modules 41 can be adjusted according to the height of the battery module to be tested.

In an alternative embodiment, the adjusting assembly includes a fourth fixing plate 436, the fourth fixing plate 436 is fixed to the fixing bracket 431 or integrally formed with the fixing bracket 431, and the lifting nut seat is mounted on the fourth fixing plate 436.

In an alternative embodiment, the adjustment assembly includes a guide bar assembly 439 and first, second and third fixed plates 433, 434 and 435 disposed at intervals in sequence; wherein, the driving piece 44 is installed on the first fixed plate 433, the third fixed plate 435 is connected with the guide rod component 439, the guide rod component 439 is arranged between the first fixed plate 433 and the second fixed plate 434 in a penetrating way, and the second fixed plate 434 is arranged at one side of the fixed bracket 431 facing the first fixed plate 433 and is fixedly connected with the guide rod component 439.

In an alternative embodiment, the guide rod assembly 439 includes four lifting guide rods, the four lifting guide rods pass through the first fixing plate 433 and the second fixing plate 434, the second fixing plate 434 can be fixed on the four lifting guide rods through screws, and is used for adjusting the heights of the multiple groups of probe modules 41 and the battery modules to be tested, that is, by rotating the adjusting hand wheel 437, the adjusting hand wheel 437 drives the lifting screw rod 438 to rotate, so that the fourth fixing plate 436 in transmission connection with the lifting screw rod 438 moves upwards or downwards, the fourth fixing plate 436 drives the second fixing plate 434 to move upwards or downwards, and then drives the control bracket 42 to ascend or descend, and the four lifting guide rods can effectively ensure the lifting stability.

In an alternative embodiment, four guide rods 432 are connected between the second fixing plate 434 and the control bracket 42, four guide sleeves matched with the four guide rods are disposed on the first fixing plate 433, and the four guide rods correspondingly penetrate through the first fixing plate 433, so that the second fixing plate 434 can control the control bracket 42 to move upwards or downwards through the four guide rods 432, and then the multiple groups of probe modules 41 can be adjusted according to the height of the battery module to be tested.

In an alternative embodiment, the EOL testing mechanism includes a float joint disposed between the drive member and the control bracket 42 to enable correction when the probe module 41 is in contact with the battery module.

In an alternative embodiment, each group of probe modules 41 includes two probes 411 and one probe fixing base 412, the two probes 411 include a positive electrode probe and a negative electrode probe respectively, the positive electrode probe and the negative electrode probe are disposed at two ends of the probe fixing base 412, and the plurality of probe fixing bases 412 are disposed at intervals along the length direction of the control bracket 42.

In an alternative embodiment, the detection device 500 includes a detection scanner disposed within the housing mechanism 10 for reading data from the battery modules within the detection device.

In an alternative embodiment, the frame mechanism 10 includes a machine tool base 11, a protective cover 12, and a human machine interface 13, the protective cover 12 is covered above the machine tool base 11, the human machine interface 13 is mounted on one side of the protective cover 12, and is used for controlling operation of an operating mechanism mounted on the machine tool base 11, and the operating mechanism includes, but is not limited to, a driving mechanism in the welding device 100, a welding mechanism 20, an EOL testing mechanism 40 in the detection device 500, and the like.

In an alternative embodiment, the machine tool base 11 includes a base frame 111, a base panel, a base bottom plate and a table top 115, the base bottom plate is disposed at the bottom of the base frame 111, the table top 115 is disposed at an upper end of the base frame 111 at intervals and exposes the base frame 111 in the middle, the base panel is disposed at a peripheral side of the base frame 111 and is at least partially exposed at both sides, and at least a portion of the base panel exposed corresponds to a portion of the table top 115 exposed, so that the speed chain transmission device can pass through and extend from the exposed portion of one side of the base panel to the exposed portion of the table top 115 and then out from the exposed portion of one side of the base panel to connect the frame mechanism 10 of the other device.

In an alternative embodiment, the base frame 111 includes a support frame welded by using steel, where the steel may be square, rectangular, or channel steel, and the support frame includes support legs in a vertical direction and connection arms in a horizontal direction, where the support legs may be disposed at multiple positions according to the bearing, for example, four support legs may be disposed in the support frame with a length of 1 x 1 and a width of 1 x 1, and the support frame with a length of greater than 1 x may be disposed at more than four positions according to the requirement, where the connection arms are respectively connected with support legs adjacent to each other in a length direction or a width direction, so as to further increase the bearing capacity of the support frame, and also to ensure welding accuracy and prevent excessive welding deformation.

In an alternative embodiment, the table top 115 may be a single plate with a hollow slot or may include multiple small mounting plates, preferably positioned beside each support leg when the table top 115 is multiple small mounting plates, to facilitate the loading of the support frame. Wherein, table surface finish machining, and when table surface includes the mounting panel of many weak points, the table surface of each mounting panel is coplanar.

In an alternative embodiment, the workbench surface is provided with a plurality of threaded holes, at least two connecting pieces with long grooves are arranged on the workbench surface, and the connecting pieces are locked on the supporting frame through the threaded holes. The material of the connection piece is selected according to its load, preferably steel or aluminium profile.

In an alternative embodiment, the connecting piece comprises two parts which are respectively arranged on the working table surfaces at two sides of the length direction of the supporting frame, and the long grooves of the two parts are respectively in the same direction in the length direction of the supporting frame. Or the connecting piece comprises four parts which are respectively arranged at two sides of the length direction and two sides of the width direction of the support frame so as to provide more mounting position choices.

In an alternative embodiment, the connectors are preferably coplanar after being mounted to the work surface to further facilitate versatility of the support stand, and the non-standard components may be mounted and locked on the elongated slots of the connectors, respectively. The locking piece used in the long groove can be either an outer hexagon nut, a trapezoid nut or a long strip-shaped nut with a plurality of threaded holes or an outer hexagon bolt or a trapezoid bolt, and as the locking piece can slide in the long groove only by loosening, all nonstandard parts can be easily used and adjusted after the installation relation between the installation hole position and the long groove is determined.

In an alternative embodiment, the connecting member may be a steel strip-shaped plate, and the long groove may be a trapezoid groove, and may be specifically selected according to requirements, and one piece of connecting member may be provided with one, two or more trapezoid grooves arranged in parallel. The connecting piece can be provided with a counter bore which is matched and locked with the threaded hole on the working table surface, and the counter bore can directly penetrate through the trapezoid groove design and can avoid the trapezoid groove design.

In an alternative embodiment, the counterbore avoids the dovetail groove design to prevent the mounting locations of the non-standard components from exactly interfering with the counterbore locations. Or the connecting piece is an aluminum profile, the aluminum profile is provided with a long groove on at least the surface for installing the nonstandard part, and as the aluminum profile is one of industrial raw materials, the aluminum profile with grooves on one surface, two surfaces, three surfaces or four surfaces can be selected according to the requirement. In the embodiment, the aluminum profile is provided with long grooves on four sides, so that the support frame is convenient to provide more installation possibilities.

In an alternative embodiment, the aluminum profile may be selected from 60 series or 80 series aluminum profiles for enhanced support strength.

In an alternative embodiment, the aluminum profile is provided with a counter bore matched with the threaded hole on the working table, and the counter bore can be directly punched on the long groove of the aluminum profile or can avoid the long groove from being punched.

In an alternative embodiment, the counterbore avoids the elongated slot to punch to prevent the mounting location of each non-standard component from exactly interfering with the counterbore location. In this embodiment, a socket head cap screw, flat round head screw, cross head screw, or the like, as known to those of ordinary skill in the art, may be used to pass through the counterbore and lock into the threaded bore.

In an alternative embodiment, the aluminum profile is provided with a through hole allowing a locking screw wrench to pass through to assist in locking the aluminum profile with the threaded hole. In this embodiment, the aluminum profile mainly uses an elongated slot adjacent to the working table surface, and an inner hexagon screw, a flat round head screw, a cross head screw or the like which is matched and locked with a threaded hole of the working table surface is placed in the elongated slot, and then a screw locking spanner is used to pass through the through hole and is abutted to the heads of the inner hexagon screw, the flat round head screw or the cross head screw so as to lock the aluminum profile.

In an alternative embodiment, the screw for locking the aluminum profile is located in the long groove of the aluminum profile opposite to the working table surface, and the installation position of each nonstandard part is not affected, so that sliding adjustment of each nonstandard part in any position of the long groove of the aluminum profile can be realized.

In an alternative embodiment, to facilitate the support of the equipment rack and the adjustment of the height, the bottom of the support frame may be provided with a plurality of adjustment feet.

In an alternative embodiment, to facilitate the fixing of the support frame, the adjusting foot is provided with expansion bolt holes for locking of the expansion bolts.

In an alternative embodiment, to facilitate the transfer of the support frame, the bottom of the support frame may also be provided with a plurality of universal wheels.

In an alternative embodiment, the base frame 11 includes a first frame structure, a second frame structure, and a third frame structure disposed between the first frame structure and the second frame structure, the base panel is disposed outside the first frame structure and the second frame structure, and the work surface is disposed at upper ends of the first frame structure and the second frame structure.

In an alternative embodiment, the base panel includes a base side door 113, the first frame structure encloses a first receiving cavity, the second frame structure encloses a second receiving cavity, and the base side door is disposed on two sides of the first receiving cavity and the second receiving cavity.

In an alternative embodiment, the base panel includes a base front door 112, the base front door 112 being disposed on the operator facing side of the first housing cavity for opening the first housing cavity to house the laser 16 and the industrial personal computer 15 of the welding apparatus 100.

In an alternative embodiment, the base panel comprises a base back door 114, the base back door 114 being arranged on a side of the second receiving cavity facing away from the first frame structure for opening the second receiving cavity for placing the electric control board 17 of the welding device 100.

In an alternative embodiment, the hood 12 includes a hood frame 123, hood side plates 124, and hood door plates 121, the hood frame 123 being connected to the base frame 111, the hood side plates 124 being disposed at both sides of the hood frame 123, and the hood door plates 121 being disposed at front and rear sides of the hood frame 123 for opening the hood 12 to operate an operating mechanism mounted at the base frame 111.

In an alternative embodiment, the hood 12 includes lift gates disposed on both sides of the hood frame and corresponding to the exposed portions of the base panel and the exposed portions of the countertop so that the lift gates can be opened to facilitate access of the battery module, including but not limited to the welding device, when the battery module is transported by the speed chain conveyor.

In an alternative embodiment, the boot 12 includes a follower rail disposed on the boot frame and on the rear side of the boot frame for protecting the optical fibers of the welding device.

In an alternative embodiment, the hood 12 includes a hood ceiling 125 and a warning light 14, the hood ceiling 125 being disposed on top of the hood frame 123, the warning light 14 being mounted on an upper end of the hood ceiling 125.

In an alternative embodiment, one side of the shield 12 is provided with a shield mounting slot 122, and the human-machine interface 13 is mounted in the shield mounting slot 122.

In an alternative embodiment, the welding mechanism 20 is mounted on the machine tool base 11 through the driving mechanism 30, and the protective cover 12 is covered outside the welding mechanism 20 and the driving mechanism 30.

In the description of the present application, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The above disclosure provides many different embodiments, or examples, for implementing different structures of the application. The foregoing description of specific example components and arrangements has been presented to simplify the present disclosure. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims (10)

1. The machine frame mechanism is used in all devices in the battery production technology and is characterized by comprising a machine tool base, a protective cover and a man-machine control interface, wherein the protective cover is covered above the machine tool base, and the man-machine control interface is arranged on one side of the protective cover;

The machine tool base comprises a base frame, a base panel, a base bottom plate and a working table surface, wherein the base bottom plate is arranged at the bottom of the base frame, the working table surface is arranged at the upper end of the base frame at intervals and exposes the base frame in the middle, the base panel is arranged at the periphery of the base frame and is exposed at least partially at two sides of the base frame, and at least part of the exposed base panel corresponds to the exposed part of the working table surface.

2. The frame mechanism of claim 1, wherein the base frame comprises a first frame structure, a second frame structure, and a third frame structure disposed between the first frame structure and the second frame structure, the base panel disposed outside of the first frame structure and the second frame structure, and the work surface disposed at upper ends of the first frame structure and the second frame structure.

3. The frame mechanism of claim 2, wherein the base panel comprises a base side door, the first frame structure encloses a first receiving cavity, the second frame structure encloses a second receiving cavity, and the base side door is disposed on both sides of the first receiving cavity and the second receiving cavity.

4. A rack mechanism as recited in claim 3, wherein the base panel includes a base front door disposed on a side of the first housing cavity facing the operator for opening the first housing cavity to house the laser and the industrial personal computer of the welding device.

5. A rack mechanism as recited in claim 3, wherein the base panel includes a base back door disposed on a side of the second housing cavity facing away from the first frame structure for opening the second housing cavity to house an electrical control board of the welding device.

6. The rack mechanism of claim 1, wherein the protective cover comprises a cover frame, cover side plates and a cover door plate, the cover frame is connected with the base frame, the cover side plates are arranged on two sides of the cover frame, and the cover door plate is arranged on the front side and the rear side of the cover frame.

7. The rack mechanism of claim 6, wherein the protective cover comprises lifting doors disposed on both sides of the cover frame, and wherein the lifting doors correspond to the exposed portions of the base panel and the exposed portions of the countertop.

8. The rack mechanism of claim 6, wherein the shield includes a follower rail disposed on the housing frame and on a rear side of the housing frame for protecting the optical fibers of the welding device.

9. The rack mechanism of claim 6, wherein the protective cover comprises a cover ceiling and a warning light, the cover ceiling is disposed on top of the cover frame, and the warning light is mounted on an upper end of the cover ceiling.

10. A welding device comprising a drive mechanism, a welding mechanism and a frame mechanism according to any one of claims 1 to 9, said welding mechanism being mounted in said frame mechanism by said drive mechanism.