CN113020982A - Battery module utmost point ear laser welding equipment - Google Patents
Battery module utmost point ear laser welding equipment Download PDFInfo
- Publication number
- CN113020982A CN113020982A CN202110446447.1A CN202110446447A CN113020982A CN 113020982 A CN113020982 A CN 113020982A CN 202110446447 A CN202110446447 A CN 202110446447A CN 113020982 A CN113020982 A CN 113020982A
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- China
- Prior art keywords
- battery module
- bending
- pressing
- tab
- driving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
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- 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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
- B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
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- 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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
Abstract
The invention discloses a battery module tab laser welding device which comprises a rack platform, a bending mechanism, a rolling mechanism, a laser welding mechanism and an index plate mechanism, wherein the rack platform is provided with a bending area, a rolling area and a welding area; the bending mechanism is arranged in the bending area and used for bending the electrode lugs of the battery module; the rolling mechanism is arranged in the rolling area and used for rolling the lugs of the battery module; the laser welding mechanism is arranged on the welding area and used for carrying out laser welding on the lugs of the battery module; the indexing disc mechanism comprises an indexing disc and a first driving device, wherein the first driving device is used for driving the indexing disc to rotate so as to drive the battery module placed on the indexing disc to rotate, so that the battery module can pass through a bending area, a rolling area and a welding area.
Description
Technical Field
The invention relates to the field of bending and welding of battery module lugs, in particular to a battery module lug laser welding device.
Background
With the increasing severity of energy and environmental problems, under the promotion of industrial policies and markets such as energy conservation and emission reduction, green credit, green securities and the like, the lithium battery is a power supply for providing a power source for power tools, and the lithium battery is a storage battery for providing power for electric vehicles, electric bicycles and other various electronic devices, and has the advantages of long service life, practicability and safety, large capacity, small volume, light weight and the like, and is widely applied to multiple fields.
The lithium battery is generally provided with a plurality of groups of tabs which are electrically connected in series and in parallel through a connecting bar, wherein the tabs can be connected with other power systems (such as the power system of an electric automobile). At present, the tabs are generally assembled by pressing manually, and then the tabs and the connecting row are welded together. Lead to welding inefficiency like this, and the manual work is pressed and can be leaded to utmost point ear and run-on connection not inseparable to lead to the rosin joint easily or weld and wear utmost point ear, the welding qualification rate is lower.
Disclosure of Invention
The invention mainly aims to provide a battery module tab laser welding device, and aims to solve the problems of low welding efficiency and low welding qualification rate of a counter tab in the prior art.
In order to achieve the above object, the present invention provides a battery module tab laser welding apparatus, comprising:
the rack platform is provided with a bending area, a roll pressing area and a welding area;
the bending mechanism is arranged in the bending area and used for bending the electrode lugs of the battery module;
the rolling mechanism is arranged in the rolling area and used for rolling the lugs of the battery module;
the laser welding mechanism is arranged on the welding area and is used for carrying out laser welding on the lugs of the battery module; and
the battery module comprises a frame platform, a dividing disc mechanism and a first driving device, wherein the dividing disc mechanism comprises a dividing disc and the first driving device, the dividing disc is arranged on the frame platform and can rotate relative to the frame platform, and the first driving device is used for driving the dividing disc to rotate so as to drive a battery module placed on the dividing disc to rotate, so that the battery module can pass through the bending area, the roller pressing area and the welding area.
Optionally, the bending mechanism comprises a bending piece and a bending driving piece, the bending piece is arranged at the output end of the bending driving piece, and the bending driving piece is used for driving the bending piece to bend the electrode lug of the battery module.
Optionally, the bending mechanism further includes an elastic member, and the elastic member connects the bending member and the bending driving member.
Optionally, the bending mechanism further comprises a prepressing piece and a prepressing driving piece, the prepressing piece is arranged on one side of the bending piece, and the prepressing driving piece is connected with the prepressing piece and used for driving the prepressing piece to move up and down so as to prepress the tab bent by the bending piece.
Optionally, the prepressing part comprises a first prepressing unit and a second prepressing unit, the tab comprises a left tab and a right tab, the first prepressing unit comprises a first prepressing driving part and a first prepressing part, the first prepressing driving part is connected with the first prepressing part and used for driving the first prepressing part to move up and down and be used for prepressing the left tab after being bent, the second prepressing unit comprises a second prepressing driving part and a second prepressing part, the second prepressing driving part is connected with the second prepressing part and used for driving the second prepressing part to move up and down and be used for prepressing the right tab after being bent.
Optionally, the battery module tab laser welding equipment further comprises a second driving device, and the second driving device is used for driving the bending mechanism to move along the horizontal direction.
Optionally, the rolling mechanism comprises a rolling driving piece and a rolling piece, the rolling piece is arranged at the output end of the rolling driving piece, and the rolling driving piece is used for driving the rolling piece to move so as to flatten the tab of the bent battery module.
Optionally, the battery module utmost point ear laser welding equipment still includes the tool subassembly, the tool subassembly install in on the graduated disk for place the battery module.
Optionally, the battery module tab laser welding equipment further comprises an elastic compression assembly, the elastic compression assembly is installed in the welding area, the elastic compression assembly comprises a compression plate, a plurality of welding holes are formed in the compression plate, and the welding holes correspond to the tabs of the battery module, so that the tabs are welded by the laser welding mechanism.
Optionally, the elastic pressing assembly further comprises a pressing driving piece, and the pressing driving piece is connected with the pressing plate and used for driving the pressing plate to move up and down, so that the pressing plate presses the tabs of the battery module.
The technical proposal of the invention adopts the technical proposal that a bending area, a roll nip area and a welding area are arranged on the frame platform, the bending area is provided with a bending mechanism, the rolling area is provided with a rolling mechanism, the welding area is provided with a laser welding mechanism, the dividing disc is rotatably arranged on the stand platform, so as to drive the battery module placed on the index plate to rotate, so that the electrode lugs of the battery module can be bent by the bending mechanism through the bending area and then rolled and leveled by the rolling mechanism through the rolling area, then welding the electrode lugs through the laser welding mechanism in a welding area so as to realize the procedures of automatic bending, automatic rolling and automatic welding of the electrode lugs of the battery module, therefore, the automation of tab welding is realized, meanwhile, the welding quality of tab welding is improved, and the qualification rate of tab welding is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of a battery module tab laser welding apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view showing the structure (upper housing not shown) of an embodiment of a tab laser welding apparatus for a battery module according to the present invention;
fig. 3 is an exploded view illustrating a structure (upper housing not shown) of one embodiment of a tab laser welding apparatus for a battery module according to the present invention;
fig. 4 is a schematic structural view of a bending moving assembly of one embodiment of the battery module tab laser welding apparatus of the present invention;
fig. 5 is a schematic structural view of a bending mechanism of an embodiment of the laser welding equipment for battery module tab of the present invention;
fig. 6 is a schematic view (from left to right) illustrating a tab bending process of an embodiment of the battery module tab laser welding apparatus according to the present invention;
fig. 7 is a schematic structural view of a roll pressing mechanism of an embodiment of the battery module tab laser welding apparatus of the present invention;
fig. 8 is a schematic structural view of a laser welding mechanism of one embodiment of the battery module tab laser welding apparatus of the present invention;
fig. 9 is a schematic structural view of an elastic pressing assembly of one embodiment of a battery module tab laser welding apparatus according to the present invention;
fig. 10 is a schematic structural view of a jig assembly of an embodiment of the apparatus for laser welding of battery module tabs according to the present invention;
fig. 11 is a schematic structural view of a height-adjusting assembly of an embodiment of a laser welding apparatus for battery module tab according to the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a battery module tab laser welding device.
In an embodiment of the present invention, as shown in fig. 2 to 3, the battery module tab laser welding apparatus 10 includes a rack platform 100, a bending mechanism 110, a rolling mechanism 120, a laser welding mechanism 130, and an index plate mechanism 140, wherein the rack platform 100 is provided with a bending area, a rolling area, and a welding area; the bending mechanism 110 is mounted in the bending area and used for bending the tab 20 of the battery module; the rolling mechanism 120 is installed in the roll nip and is used for rolling the tab 20 of the battery module; the laser welding mechanism 130 is mounted on the welding area and used for performing laser welding on the tabs 20 of the battery module; the index plate mechanism 140 includes an index plate 141 and a first driving device 142, the index plate 141 is disposed on the rack platform 100 and can rotate relative to the rack platform 100, and the first driving device 142 is configured to drive the index plate 141 to rotate so as to drive the battery module placed on the index plate 141 to rotate, so that the battery module can pass through the bending region, the roll nip region and the welding region.
As shown in fig. 2, the rack platform 100 is used for mounting the bending mechanism 110, the rolling mechanism 120, the laser welding mechanism 130, the dividing plate mechanism 140, and the like, the dividing plate 141 is disposed in the middle of the rack platform 100, the dividing plate 141 is used for driving the battery module to rotate, the bending mechanism 110, the rolling mechanism 120, and the laser welding mechanism 130 are circumferentially disposed on the dividing plate 141, and the rack platform 100 may be circular, square, or rectangular, which is not limited herein.
The bending mechanism 110 is arranged on the rack platform 100, the bending mechanism 110 comprises a bending support frame 111, a bending moving assembly 112 and a bending assembly 113, the bending support frame 111 is arranged in the bending area, the bottom of the bending support frame 111 is fixedly connected with the rack platform 100, the top of the bending support frame 111 is connected with the bending moving assembly 112, the bending moving assembly 112 is connected with the bending assembly 113 to drive the bending assembly 113 to move on the rack platform 100, and the bending assembly 113 is used for bending the tab 20 of the battery module.
The rolling mechanism 120 is arranged on the rack platform 100, the rolling mechanism 120 includes a rolling support frame 121, a rolling moving component 122 and a rolling component 123, the rolling support frame 121 is arranged in the rolling area, the bottom of the rolling support frame 121 is fixedly connected with the rack platform 100, the top of the rolling support frame 121 is connected with the rolling moving component 122, the rolling moving component 122 is connected with the rolling component 123 to drive the rolling component 123 to move on the rack platform 100, and the rolling component 123 is used for rolling the tab 20 of the battery module.
Further, the welding moving assembly 132 includes a height lifting assembly 135, an X-axis translation module, a Z-axis translation module, and a welding fixture mounting block, the height lifting assembly 135 is disposed on the welding support seat 131, the X-axis translation module is in relative sliding connection with the height lifting assembly 135, the Z-axis translation module is in relative sliding connection with the X-axis translation module, the welding fixture mounting block is in sliding connection with the Z-axis translation module, the laser welding assembly 133 is fixedly connected with the welding fixture mounting block, the welding moving assembly 132 drives the laser welding assembly 133 to move on the rack platform 100 to complete welding of the tab 20 of the battery module, and the height lifting assembly 135 is further explained later and is not described herein.
Specifically, as shown in fig. 7, the laser welding assembly 133 includes a laser 1331, a laser welding head 1332, and a condenser lens and an X-Y galvanometer mounted in the laser welding head 1332, and laser beams emitted by the laser 1331 are sequentially condensed by the condenser lens and deflected by the X-Y galvanometer, so as to laser weld the battery module tab 20.
The index plate mechanism 140 comprises an index plate 141 and a first driving device 142, the first driving device 142 is used for driving the index plate 141 to rotate, specifically, the rack platform 100 is provided with an installation hole for the index plate 141, the index plate 141 is arranged on the rack platform 100, the first driving mechanism is arranged below the rack platform 100, the index plate 141 is connected with the first driving device 142 through a rotating shaft, and a plurality of battery module stations are arranged on the index plate 141; four stations are preferably selected as an example for explanation in the embodiment, and the four stations respectively correspond to a feeding and discharging area, a bending area, a rolling area and a laser welding area of a worker to form a processing line, so that the neutral gear running time of the structure is reduced, the time cost of production is saved, and the processing efficiency is improved.
Specifically, the first driving device 142 includes a cam indexer or a screw transmission device, which is not limited herein.
In addition, the bending mechanism 110, the rolling mechanism 120 and the laser welding mechanism 130 form a welding assembly line, the welding assembly line can be set to be a circumferentially rotating assembly line, the indexing disc 141 drives the battery module to rotate, and the battery module finally returns to a manual blanking area after passing through a bending area, a rolling area and a welding area, so that a worker can carry out feeding and discharging, the labor cost input is reduced while the operation of the worker is facilitated, and the occupied area of equipment can also be reduced.
In practical application, the welding assembly line can be designed into a linear assembly line according to requirements, the bending area, the rolling area and the welding area are sequentially arranged, the loading area is arranged at the initial position, the unloading area is arranged at the tail end of the assembly line, so that workers can load and unload materials, the battery module is driven by the conveyor belt to move, and other forms can be certainly arranged without limitation.
The technical scheme of the invention is that a bending area, a rolling area and a welding area are arranged on a rack platform 100, the bending area is provided with a bending mechanism 110, the rolling area is provided with a rolling mechanism 120, the welding area is provided with a laser welding mechanism 130, an index plate 141 is rotatably arranged on the rack platform 100 to drive a battery module placed on the index plate 141 to rotate, so that a tab 20 of the battery module can be bent by the bending mechanism 110 through the bending area, rolled and flattened by the rolling mechanism 120 through the rolling area, and then welded through the welding area by the laser welding mechanism 130, thereby realizing the procedures of automatic bending, automatic rolling and automatic welding of the tab 20 of the battery module, realizing the automation of the welding of the tab 20, and simultaneously improving the welding quality of the tab 20, thereby improving the welding qualification rate of the pole lugs 20.
As shown in fig. 1, the battery module tab laser welding apparatus 10 further includes an upper housing 200 and an operation box 230, the upper housing 200 is fixedly disposed on the rack platform 100, and forms a welding cavity with the rack platform 100, the bending mechanism 110, the rolling mechanism 120, the laser welding mechanism 130 and the index plate mechanism 140 are disposed in the welding cavity, the front end of the upper housing 200 is provided with a loading and unloading opening 210 and a single pushing door 220 for opening and closing the loading and unloading opening 210, the loading and unloading opening 210 is used for loading and unloading the battery module, the single pushing door 220 can facilitate loading and unloading and better protect an operator, the operation box 230 is disposed on one side of the upper housing 200, the operation box 230 is electrically connected with the bending mechanism 110, the rolling mechanism 120, the laser welding mechanism 130 and the index plate mechanism 140, and the like, and is used for operation of a control mechanism, the front side of the upper housing 200 is further provided with a monitor opening 240, supply the monitor installation, real time monitoring laser welding orbit, it is provided with tricolor lamp 250 and fiber support opening 260 to go up aircraft bonnet 200 roof, tricolor lamp 250 is used for prompting equipment running state to send out the police dispatch newspaper, fiber support opening 260 supplies the fiber support to stretch out outward, the fiber support is used for lifting optic fibre.
In another embodiment, as shown in fig. 5, the bending mechanism 110 includes a bending member 1132 and a bending driving member 1131, the bending member 1132 is disposed at an output end of the bending driving member 1131, and the bending driving member 1131 is configured to drive the bending member 1132 to bend the tab 20 of the battery module; the bending driving member 1131 and the bending member 1132 are vertically arranged, the bending member 1132 may be a cylinder or a trigger end in a shape of a vertical thimble, and the top of the bending member 1132 is circular, certainly, the bending member may also be in a shape of a flat head, which is not limited herein, in this embodiment, the circular shape is taken as an example, so that friction force generated when the bending member 1132 bends the tab 20 of the battery module can be reduced, so as to avoid scratches from being left on the tab 20 of the battery module; when the battery module is driven by the index plate 141 to rotate to the bending region, the bending driving member 1131 drives the bending member 1132 to move downwards and move to one side of the tab 20 of the battery module, and then the bending driving member 1131 drives the bending member 1132 to approach to the tab 20 of the battery module and bend the tab 20.
Specifically, the bending driving element 1131 includes a bending cylinder, a bending hydraulic cylinder, a servo motor, or the like, which is not limited herein.
Further, the mechanism 110 of bending still includes elastic component 1133, elastic component 1133 is connected bend 1132 with the driving piece 1131 of bending mechanism 110 is bent to utmost point ear 20 of battery module, because the operation of placing of battery module is improper or the location is inaccurate, and leads to bend 1132 descends and slightly is less than during the battery module body, bend 1132 and move towards the battery module, extrude easily the battery module body, for solving this problem bend 1132 with bend to set up between the driving piece 1131 the elastic component 1133, in order to slow down bend 1132 to the utmost point ear 20 of battery module when bending the extrusion of battery module body, elastic component 1133 can play certain cushioning effect. Specifically, the elastic member 1133 may be a buffer spring, a buffer colloid, or the like, which is not limited herein.
Further, when the bending piece 1132 bends the tab 20 of the battery module, because the tab 20 of the battery module has certain elasticity for the metal material, after the bending piece 1132 bends the tab 20, the tab 20 has a certain degree of upwarping, the upwarping of the tab 20 can abut against other tabs 20 in the bending process of other tabs 20, so as to affect the bending of other tabs 20, in order to solve the problem, the bending mechanism 110 further comprises a prepressing piece and a prepressing driving piece, the prepressing piece is arranged on one side of the bending piece 1132, the prepressing driving piece is connected with the prepressing piece for driving the prepressing piece to move up and down, so as to prepress the tab 20 bent by the bending piece 1132, thereby solving the problem that after the bending piece 1132 bends the tab 20, the tab 20 has upwarping to a certain degree, so as to affect the bending of other tabs 20, the pre-pressing member may be an L-shaped pre-pressing member or a rectangular cylinder, which is not limited herein, and the triggering end of the pre-pressing member is disposed at a certain distance from the triggering end of the bending member 1132, and the distance may be set according to the tab 20 form of the battery module. Specifically, the pre-pressing driving member includes a pre-pressing cylinder, a pre-pressing hydraulic cylinder, a servo motor, or the like, which is not limited herein.
In other embodiments, as shown in fig. 5, the prepressing unit includes a first prepressing unit and a second prepressing unit, the tab 20 includes a left tab 21 and a right tab 22, the first prepressing unit includes a first prepressing driving member 1134a and a first prepressing member 1135a, the first prepressing driving member 1134a is connected to the first prepressing member 1135a to drive the first prepressing member 1135a to move up and down for prepressing after the left tab 21 of the battery module is bent, the second prepressing unit includes a second prepressing driving member 1134b and a second prepressing member 1135b, and the second prepressing driving member 1134b is connected to the second prepressing member 1135b to drive the second prepressing member 1135b to move up and down for prepressing after the right tab 22 of the battery module is bent.
Further, the battery module tab laser welding equipment 10 further includes a second driving device, which is used for driving the bending mechanism 110 to move along the horizontal direction, and the second driving device is suitable for driving the bending mechanism 110 to move along the horizontal direction integrally when the bending piece 1132 is driven by the bending driving piece 1131 to the bending position downwards, so as to bend the tab 20 of the battery module.
Specifically, the second driving device includes a driving cylinder, a driving hydraulic cylinder, a servo motor, and the like, which is not limited herein.
As shown in fig. 4 to 5, a specific bending manner of the bending mechanism 110: when the battery module is driven by the index plate 141 to rotate to the bending area, the second driving device drives the bending mechanism 110 to integrally translate to the upper left of the left tab 21 of the battery module, the bending driving piece 1131 drives the bending piece 1132 to move downwards to the bending position, the second driving device drives the bending mechanism 110 to integrally translate rightwards to bend the left tab 21 of the battery module, then the first prepressing driving piece 1134a drives the first prepressing piece 1135a to flatten the bent part, then the overall structure resets, the bending mechanism 110 translates to the upper right of the right tab 22 of the battery module under the drive of the second driving device, then the first prepressing driving piece 1134a drives the first prepressing piece 1135a to press the left tab 21 to prevent the left tab 21 of the battery module from warping, the bending driving piece 1131 drives the bending piece 1132 to move downwards to the bending position, the second driving device drives the bending mechanism 110 to integrally move leftwards, so that the right tab 22 of the battery module is bent, the second pre-pressing driving piece 1134b drives the second pre-pressing piece 1135b to flatten the bent part of the right tab 22, and finally the whole structure is reset.
Further, as shown in fig. 4, the bending area is further provided with a bending moving assembly 112, the bending moving assembly 112 includes an X-axis translation module, a Y-axis translation module, a Z-axis translation module and a bending clamp mounting block, the bending support is fixedly mounted on the rack platform 100, the Y-axis translation module is in relative sliding connection with the bending support frame 111, the X-axis translation module is in relative sliding connection with the Y-axis translation module, the Z-axis translation module is in relative sliding connection with the X-axis translation module, the bending clamp mounting block is in slidable connection with the Z-axis translation module, the bending assembly 113 is fixedly connected with the bending clamp mounting block, and the bending moving assembly 112 drives the bending assembly 113 to move on the rack platform 100 to complete bending of the tab 20 of the battery module.
As shown in fig. 6, in order to make the tab 20 of the battery module smoother during welding, the tab 20 of the battery module is bent and then rolled, the index plate 141 drives the tab 20 of the battery module to rotate to the roll nip, the rolling mechanism 120 is installed in the roll nip, the rolling mechanism 120 includes a rolling driving member 1231 and a rolling member 1232, the rolling member 1232 may be a rolling pressing member or a block pressing member, but is not limited thereto, and may be set to different shapes as needed, the rolling member 1232 is disposed at an output end of the rolling driving member 1231, and the rolling driving member 1231 is used to drive the rolling member 1232 to move so as to flatten the bent tab 20 of the battery module.
Specifically, the rolling driving member 1231 includes a rolling driving cylinder, a rolling driving hydraulic cylinder, a servo motor, or the like, which is not limited herein.
Further, the roll nip is further provided with a roll-in moving assembly 122, the roll-in moving assembly 122 includes an X-axis translation module, a Y-axis translation module, a Z-axis translation module and a roll-in clamp mounting block, the roll-in support frame 121 is fixedly mounted on the rack platform 100, the Y-axis translation module is in relative sliding connection with the roll-in support frame 121, the X-axis translation module is in relative sliding connection with the Y-axis translation module, the Z-axis translation module is in relative sliding connection with the X-axis translation module, the roll-in clamp mounting block is in slidable connection with the Z-axis translation module, the roll-in assembly 123 is fixedly connected with the roll-in clamp mounting block, and the roll-in moving assembly 122 drives the roll-in assembly 123 to move on the rack platform 100, so as to complete the roll-in of the tab 20 of the battery module.
As shown in fig. 9, in order to facilitate the rotation and the processing and positioning of the tab 20 of the battery module on the index plate 141, the battery module tab laser welding apparatus 10 further includes a jig assembly 150, and the jig assembly 150 is mounted on the index plate 141 and used for placing the battery module. The battery fixing jig comprises a bottom plate 151, a reference plate 152, a moving plate 153, a pressing device 154 and a pressing guide column 155, the base plate 151 is connected to the index plate 141, the reference plate 152 is vertically adjacent to the base plate 151, the moving plate 153 is disposed opposite to the reference plate 152, the pressing device 154 and the pressing guide 155 are disposed on the moving plate 153, so as to compress and fix the battery module, a plurality of stations are arranged on the index plate 141, the stations correspond to each other, a jig component 150 is arranged on each station to fix the battery module to rotate on the index plate 141, and the tab 20 of the battery module is positioned, so that the tab 20 of the battery module can be conveniently bent, rolled and welded by laser, meanwhile, different battery modules can be fixed, and the compatibility of the laser welding equipment for the lugs 20 of the electric modules is improved.
As shown in fig. 8, in order to reduce the phenomena of insufficient solder joint, solder penetration, and the like of the tab 20 of the battery module during welding, the battery module tab laser welding apparatus 10 further includes an elastic pressing assembly 134, the elastic pressing assembly 134 is installed in the welding zone, the elastic pressing assembly 134 includes a pressing plate 1341, the pressing plate 1341 is provided with a plurality of welding holes 1341a, the number of the welding holes 1341a can be set according to the number and welding positions of the tab 20 of the battery module, and the welding holes 1341a are set corresponding to the tab 20 of the battery module, so that the tab 20 is welded by the laser welding mechanism 130.
Specifically, the pressing plate 1341 may be an insulating glass fiber plate, an insulating ceramic plate, or the like, which is not limited herein.
Further, the elastic pressing component 134 further comprises a pressing driving piece 1342, the pressing driving piece 1342 is connected to the pressing plate 1341, a driving end of the pressing driving piece 1342 is connected to the pressing plate 1341 and used for driving the pressing plate 1341 to move up and down, so that when the tab 20 of the battery module enters a welding zone, the pressing plate 1341 presses the tab 20 of the battery module, a welding mechanism is convenient to weld the tab 20 of the battery module, and meanwhile, due to the pressing, the phenomena of insufficient solder, welding penetration and the like do not occur in the welding process, and the quality of laser welding is improved.
Specifically, the pressing driving member 1342 includes a pressing driving cylinder, a pressing driving hydraulic cylinder, a servo motor, and the like, which is not limited herein.
In addition, the elastic pressing assembly 134 further includes a guide rail 1343, a pressing frame 1344 and an elastic copper pressing plate 1345, the guide rail 1343 extends along the height direction of the laser welding assembly 133, the pressing driving member 1342 is disposed at the upper end of the guide rail 1343, the output end of the pressing driving member 1342 is connected to the pressing frame 1344, the pressing frame 1344 is slidably mounted on the guide rail 1343, the pressing plate 1341 is connected to the lower pressing frame, a welding through hole is disposed on the pressing plate 1341, an elastic copper pressing post 1345 is disposed through the welding through hole and used for pressing the tab 20 for laser welding, and the elastic copper pressing post 1345 has elasticity and can prevent the tab 20 of the battery module from being pressed.
As shown in fig. 10, in order to facilitate welding, a height lifting assembly 135 is further provided at the welding zone, the height lifting assembly 135 connects the rack platform 100 with the laser welding mechanism 130, and the height lifting assembly 135 comprises a mounting base plate 1351, a lifting cylinder 1352, a sliding rail 1353, a sliding block 1354, a lifting driving device 1355, a lifting block 1356 and a protective hood 1357; the mounting base plate 1351 is arranged on the welding supporting seat 131, a lifting cylinder 1352 is fixedly connected to the mounting base plate 1351, a sliding rail 1353 is arranged on an inner wall of the lifting cylinder 1352 along a height direction, the sliding block 1354 is slidably connected to the sliding rail 1353, the lifting driving device 1355 is used for driving the sliding block 1354 to move in the sliding rail 1353, the lifting block 1356 is arranged at a top end of the sliding block 1354, the lifting block 1356 is connected to the laser welding assembly 133, the dust cover is connected to the lifting cylinder 1352 and the lifting block 1356 to form a closed cavity to prevent dust from entering and reduce the failure of the laser welding structure, the height lifting assembly 135 can drive the laser welding assembly 133 to move in the height direction, a user can adjust the height of the laser welding assembly 133 through the height lifting assembly 135 as needed to achieve a desired welding height, so as to facilitate the welding of the tab 20 of the battery module by the laser welding assembly 133, and the compatibility with different battery sizes can be increased.
Specifically, the lifting driving device 1355 includes a lifting cylinder, a lifting hydraulic cylinder, a servo motor, and the like, which is not limited herein.
As shown in fig. 1, the battery module tab laser welding equipment 10 further includes a smoke purification module, the smoke purification module includes a smoke purifier 300 and a dust extraction box 1333 disposed outside the laser welding head 1332, the smoke purifier 300 is connected to the dust extraction box 1333 through a dust extraction pipe, and the smoke purification module is specially used for collecting and treating inflammable and explosive dust (such as aluminum powder, magnesium powder, copper powder, aluminum alloy, etc.) so as to prevent the dust from causing explosion and reduce the shielding of the dust on the welding seam, thereby affecting the laser beam to weld the tab 20 of the battery module.
As shown in fig. 1, the battery module tab laser welding equipment 10 further includes a cooling module, which is a water cooling module, the water cooling module includes a water cooling machine 400 and a water pipe disposed in the laser 1331, and two ends of the water pipe are connected to a water inlet and a water outlet of the water cooling machine 400; the water cooling die is arranged in a split mode, and the water cooling die has the advantages of being simple to assemble and disassemble and being capable of efficiently cooling the laser welding head 1332.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a battery module utmost point ear laser welding equipment which characterized in that includes:
the rack platform is provided with a bending area, a roll pressing area and a welding area;
the bending mechanism is arranged in the bending area and used for bending the electrode lugs of the battery module;
the rolling mechanism is arranged in the rolling area and used for rolling the lugs of the battery module;
the laser welding mechanism is arranged on the welding area and is used for carrying out laser welding on the lugs of the battery module; and
the battery module comprises a frame platform, and is characterized in that the dividing disc mechanism comprises a dividing disc and a first driving device, the dividing disc is arranged on the frame platform and can rotate relative to the frame platform, and the first driving device is used for driving the dividing disc to rotate so as to drive a battery module placed on the dividing disc to rotate, so that the battery module can pass through the bending area, the roller pressing area and the welding area.
2. The battery module tab laser welding equipment according to claim 1, wherein the bending mechanism comprises a bending member and a bending driving member, the bending member is disposed at an output end of the bending driving member, and the bending driving member is used for driving the bending member to bend the tab of the battery module.
3. The battery module tab laser welding apparatus of claim 2, wherein the bending mechanism further comprises an elastic member connecting the bending member and the bending driving member.
4. The battery module tab laser welding apparatus of claim 3, wherein the bending mechanism further comprises a pre-pressing member and a pre-pressing driving member, the pre-pressing member is disposed on one side of the bending member, and the pre-pressing driving member is connected to the pre-pressing member for driving the pre-pressing member to move up and down so as to pre-press the tab bent by the bending member.
5. The battery module tab laser welding apparatus of claim 4, wherein the pre-pressing member includes a first pre-pressing unit and a second pre-pressing unit, the tab includes a left tab and a right tab, the first pre-pressing unit includes a first pre-pressing driving member and a first pre-pressing member, the first pre-pressing driving member is connected to the first pre-pressing member for driving the first pre-pressing member to move up and down for pre-pressing the bent left tab, and the second pre-pressing unit includes a second pre-pressing driving member and a second pre-pressing member, the second pre-pressing driving member is connected to the second pre-pressing member for driving the second pre-pressing member to move up and down for pre-pressing the bent right tab.
6. The battery module tab laser welding apparatus of claim 2, further comprising a second driving device for driving the bending mechanism to move in a horizontal direction.
7. The battery module tab laser welding apparatus according to claim 1, wherein the rolling mechanism comprises a rolling driving member and a rolling member, the rolling member is disposed at an output end of the rolling driving member, and the rolling driving member is configured to drive the rolling member to move so as to flatten the tab of the bent battery module.
8. The battery module tab laser welding apparatus of claim 1, further comprising a jig assembly mounted on the index plate for placing a battery module.
9. The battery module tab laser welding apparatus according to any one of claims 1 to 8, further comprising an elastic pressing member installed at the welding zone, wherein the elastic pressing member includes a pressing plate provided with a plurality of welding holes, the welding holes being provided corresponding to the tabs of the battery module, so that the tabs are welded by the laser welding mechanism.
10. The battery module tab laser welding apparatus of claim 9, wherein the elastic pressing assembly further comprises a pressing driving member connected to the pressing plate for driving the pressing plate to move up and down so that the pressing plate presses the tab of the battery module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110446447.1A CN113020982A (en) | 2021-04-23 | 2021-04-23 | Battery module utmost point ear laser welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110446447.1A CN113020982A (en) | 2021-04-23 | 2021-04-23 | Battery module utmost point ear laser welding equipment |
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| Publication Number | Publication Date |
|---|---|
| CN113020982A true CN113020982A (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110446447.1A Pending CN113020982A (en) | 2021-04-23 | 2021-04-23 | Battery module utmost point ear laser welding equipment |
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| CN (1) | CN113020982A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113560723A (en) * | 2021-08-13 | 2021-10-29 | 深圳市尚拓激光技术有限公司 | Lithium battery tab laser welding equipment |
| CN113571843A (en) * | 2021-06-30 | 2021-10-29 | 广东利元亨智能装备股份有限公司 | Battery module bus bar installation equipment and installation method |
| CN114006023A (en) * | 2021-11-01 | 2022-02-01 | 博众精工科技股份有限公司 | Electricity core module welding jig |
| CN114300813A (en) * | 2021-12-30 | 2022-04-08 | 杭州捷能科技有限公司 | Battery module welding process |
| CN115548414A (en) * | 2022-11-23 | 2022-12-30 | 深圳市中基自动化股份有限公司 | Full-lug large-cylinder battery welding positioning device and vertical welding equipment |
| CN116174952A (en) * | 2022-12-05 | 2023-05-30 | 无锡法维莱机械有限公司 | Laser welding machine cabinet with water cooling channel |
| CN116586767A (en) * | 2023-07-18 | 2023-08-15 | 深圳市智诚测控技术有限公司 | Automatic welding equipment for aluminum-row nickel plates of battery and production line of automatic welding equipment |
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- 2021-04-23 CN CN202110446447.1A patent/CN113020982A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571843A (en) * | 2021-06-30 | 2021-10-29 | 广东利元亨智能装备股份有限公司 | Battery module bus bar installation equipment and installation method |
| CN113560723A (en) * | 2021-08-13 | 2021-10-29 | 深圳市尚拓激光技术有限公司 | Lithium battery tab laser welding equipment |
| CN113560723B (en) * | 2021-08-13 | 2023-01-24 | 深圳市尚拓激光技术有限公司 | Lithium battery tab laser welding equipment |
| CN114006023A (en) * | 2021-11-01 | 2022-02-01 | 博众精工科技股份有限公司 | Electricity core module welding jig |
| CN114300813A (en) * | 2021-12-30 | 2022-04-08 | 杭州捷能科技有限公司 | Battery module welding process |
| CN115548414A (en) * | 2022-11-23 | 2022-12-30 | 深圳市中基自动化股份有限公司 | Full-lug large-cylinder battery welding positioning device and vertical welding equipment |
| CN115548414B (en) * | 2022-11-23 | 2023-03-10 | 深圳市中基自动化股份有限公司 | Full-lug large-cylinder battery welding positioning device and vertical welding equipment |
| CN116174952A (en) * | 2022-12-05 | 2023-05-30 | 无锡法维莱机械有限公司 | Laser welding machine cabinet with water cooling channel |
| CN116174952B (en) * | 2022-12-05 | 2023-09-22 | 无锡法维莱机械有限公司 | Laser welding machine cabinet with water cooling channel |
| CN116586767A (en) * | 2023-07-18 | 2023-08-15 | 深圳市智诚测控技术有限公司 | Automatic welding equipment for aluminum-row nickel plates of battery and production line of automatic welding equipment |
| CN116586767B (en) * | 2023-07-18 | 2023-09-15 | 深圳市智诚测控技术有限公司 | Automatic welding equipment for aluminum-row nickel plates of battery and production line of automatic welding equipment |
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Address after: 518000 401m-2, bike technology building, No.9, scientific research road, Maling community, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Taide Laser Technology Co.,Ltd. Address before: 518000 401m-2, bike technology building, No.9, scientific research road, Maling community, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN TETE LASER TECHNOLOGY Co.,Ltd. |