CN218396433U - 4680 cylinder electricity core current collector dish laser welding equipment - Google Patents
4680 cylinder electricity core current collector dish laser welding equipment Download PDFInfo
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- CN218396433U CN218396433U CN202221777960.5U CN202221777960U CN218396433U CN 218396433 U CN218396433 U CN 218396433U CN 202221777960 U CN202221777960 U CN 202221777960U CN 218396433 U CN218396433 U CN 218396433U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a 4680 cylinder electricity core current collector laser welding equipment, include: the welding system is used for performing laser welding on the battery cell and the current collecting disc; the welding tool is arranged below the welding system and comprises a welding pressure head assembly and a gas distribution assembly; the welding pressure head assembly is used for tightly pressing the current collecting disc and the battery cell during welding so that the current collecting disc is welded to the battery cell by the welding system, and a gas protection gas channel, a laser channel and a dust removal gas channel are provided; the utility model discloses a welding pressure head subassembly can provide and protect gas sweetgum fruit way passageway, laser passageway and dust removal air current passageway, and dust removal air current can prevent smoke and dust or the splash pollution electric core in the welding process, protects the gas current and not only can prevent the face of weld oxidation, can also cool off the face of weld fast, and under the mating reaction of distribution subassembly, can keep protecting gas sweetgum fruit way passageway, the leakproofness of laser passageway and dust removal air current passageway, the demand that removes dust and blow when satisfying electric core current collector dish laser welding simultaneously.
Description
Technical Field
The utility model relates to a laser welding equipment specifically relates to a 4680 cylinder electricity core current collector dish laser welding equipment.
Background
The cylindrical battery cell is driven by Tesla to raise a stream of heat tide due to the specific advantages, in 2022, a large cylindrical battery cell represented by Tesla 4680 is pushed to the market, which plays a role in shaking the leading position of a common square battery cell, perhaps the large cylindrical battery cell becomes the mainstream of a future power battery cell, 4680 cylindrical battery cell adopts a technology without a tab or a full tab, so that the charging and discharging efficiency of the battery cell is greatly increased, but the current collector with the end part of a winding core cut and fallen adopts a multipoint laser welding process, so that the requirement of laser welding equipment for completing the process is higher, the equipment needs to meet the requirement of multipoint laser welding, the phenomena of virtual welding and penetration cannot occur, and continuous laser welding is generally adopted in the industry due to larger welding spots.
The conventional cylindrical battery core adopts a pulse laser welding current collector, and perfect blowing and dust removal consideration is not needed, so that the welding surface is easy to oxidize, and smoke dust and splashes generated in the welding process easily pollute the battery core, so that the laser welding requirement of the 4680 cylindrical battery core current collector can not be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to improve the yield when 4680 cylindrical battery welds with the current collector to realize large-scale production.
In order to achieve the above object, the utility model provides a 4680 cylinder electricity core current collector dish laser welding equipment, include:
the welding system is used for performing laser welding on the battery cell and the current collecting disc;
the welding tool is arranged below the welding system and comprises a welding pressure head assembly and a gas distribution assembly;
the welding pressure head assembly is used for tightly pressing the current collecting disc and the battery cell during welding so that the current collecting disc is welded to the battery cell by the welding system, and a gas protection gas channel, a laser channel and a dust removal gas channel are provided;
the gas distribution assembly is arranged on the welding pressure head assembly and used for conveying inert gas into the welding pressure head assembly and matching with the welding pressure head assembly to keep the sealing performance of the gas protection gas channel, the laser channel and the dust removal gas channel;
and the welding fixture is arranged below the welding fixture and is used for clamping the battery cell during welding.
Preferably, the welding tool further comprises:
the mounting seat is arranged below the welding system;
the lifting cylinder is arranged on one side of the mounting seat;
the lifting cylinder is connected with the sliding table through a connecting part and is used for driving the welding pressure head assembly to move so as to tightly press the current collecting disc and the battery cell;
the limiting assembly is arranged on the sliding table and is used for detachably arranging the welding pressure head assembly below the sliding table;
and the locking assembly is arranged between the mounting seat and the sliding table and used for limiting the downward movement position of the sliding table.
Preferably, the stopper assembly comprises:
the connecting piece is arranged on one side of the sliding table, which is adjacent to the mounting seat, and penetrates through the mounting seat;
the hydraulic buffer is arranged at one end of the connecting piece penetrating through the mounting seat;
and the stop piece is arranged on the side wall of the mounting seat and is used for matching with the hydraulic buffer to limit the downward movement position of the sliding table.
Preferably, the limiting assembly comprises;
the two groups of clamping cylinders are arranged on the sliding table and are positioned on two sides of the gas distribution assembly;
20866;
the limiting plate is arranged at the bottom of the 20866to enable the welding pressure head assembly to abut against the lower surface of the sliding table;
and the limiting frame is arranged at the bottom of the sliding table and used for fixing the moving track of the welding pressure head assembly.
Preferably, the weld ram assembly comprises:
a head pressing plate;
the first through holes are arranged in the pressure head plate in a penetrating manner along the vertical direction and used for allowing laser and dust removal airflow to pass through;
and the plurality of groups of second through holes are arranged inside the pressure head plate at an angle along the vertical direction, and one ends of the second through holes are communicated with the first through holes for allowing the gas-protection airflow to pass through.
Preferably, the air distribution assembly comprises;
the gas distribution plate is arranged above the welding pressure head assembly;
a third through hole which is arranged inside the gas distribution plate in a penetrating way along the vertical direction and is communicated with the laser channel and the dust removal airflow channel,
a plurality of groups of fourth through holes which are arranged inside the gas distribution plate in a penetrating way along the vertical direction, distributed around the third through holes and communicated with the gas-protection gas passage,
and the pipeline is detachably arranged at the top of the gas distribution plate and is communicated with the third through hole.
Preferably, the pipeline is provided with two flow passages, and the two flow passages form a Y-shaped structure and are respectively used for providing laser and dust removal airflow to pass through.
Preferably, the welding jig includes:
a base;
the multiple groups of movable rods are arranged at four corners of the base;
the floating plate is arranged at the top of the movable rod;
the spring is arranged on the surface of the movable rod and positioned between the floating plate and the base;
the fixed pressing block is detachably arranged at one end of the floating plate;
the movable pressing block is arranged at the other end of the floating plate in a sliding manner and is used for matching with the fixed pressing block to move relatively to clamp and fix the battery cell;
and the pushing cylinder is arranged on the floating plate, and a piston rod of the pushing cylinder is connected with one side of the movable pressing block and used for pushing the movable pressing block to move.
Preferably, the welding jig further comprises a lift assembly, the lift assembly comprising:
the lifting cylinder is arranged at the bottom of the floating plate;
the mounting plate is arranged on the lifting cylinder;
the lifting shaft is arranged on the mounting plate, one end of the lifting shaft penetrates through the floating plate, and the circle center of the fixed pressing block is located on the same center line, so that the lifting electric core is exposed out of the grabbing space, and the lifting electric core is reduced on the upper surface of the floating plate during welding.
Preferably, the equipment further comprises a moving tool, wherein the moving tool comprises a rodless cylinder and a guide unit;
the rodless cylinder is arranged at the bottom of the welding clamp and used for driving the welding clamp to move in or out of a welding position;
and the guide units are arranged on two sides of the rodless cylinder and used for limiting the moving track of the welding fixture.
The utility model discloses a welding pressure head subassembly can provide and protect gas sweetgum fruit way passageway, laser passageway and dust removal air current passageway, dust removal air current can prevent that smoke and dust or splash among the welding process from polluting electric core, protects the gas current and not only can prevent the face of weld oxidation, can also cool off the face of weld fast, simultaneously under the mating reaction of distribution subassembly, can keep protecting gas sweetgum fruit way passageway, the leakproofness of laser passageway and dust removal air current passageway, the demand that removes dust and blow when satisfying electric core current collector dish laser welding.
Drawings
Fig. 1 is an overall structural view of a laser welding apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view of an internal structure of a laser welding apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a welding tool and a welding jig according to an embodiment of the present invention;
fig. 4 is a front view of a welding tool according to an embodiment of the present invention;
fig. 5 is a rear view of a welding tool according to an embodiment of the present invention;
fig. 6 is a schematic view of a connection structure of a gas distribution assembly, a limiting assembly and a welding ram assembly according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a gas panel according to an embodiment of the present invention;
fig. 8 is a bottom view of a welding tool according to an embodiment of the present invention;
figure 9 is a schematic view of a welding ram assembly according to an embodiment of the present invention;
figure 10 is a cross-sectional view of a welding ram assembly according to an embodiment of the present invention;
fig. 11 is a schematic structural view of a welding jig according to an embodiment of the present invention;
fig. 12 is a sectional view of a welding jig according to an embodiment of the present invention.
Description of the reference numerals
1. Welding system 2 and welding tool
21. Sliding table 22 and gas distribution assembly
221. Gas distribution plate 222 and pipeline
223. Third through hole 224 and fourth through hole
23. Mounting seat 24 and limiting assembly
241. 20866
243. Limiting plate 244 and limiting frame
25. Lifting cylinder 26 and stop assembly
261. Connecting piece 262 and hydraulic buffer
263. Stop member 27 and welding ram assembly
271. Head pressing plate 272 and second through hole
273. First through hole 3 and welding fixture
31. Base 32, push cylinder
33. Movable pressing block 34 and fixed pressing block
35. Floating plate 36, active lever
37. Lifting component 371, lifting cylinder
372. Lifting shaft 373 and mounting plate
4. Movable tool 41 and rodless cylinder
42. Guide unit
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings. The embodiments described in the present application are only a part of examples of the present application, and should not be considered as all examples.
As shown in fig. 1-3, an embodiment of the present invention provides a laser welding apparatus for 4680 cylindrical cell current collecting plate: including welding system 1, welding frock 2 and welding jig 3, welding system 1 is used for electric core and current collecting disc to carry out laser welding, welding frock 2 sets up in welding system 1 below, welding frock 2 includes welding pressure head subassembly 27 and distribution subassembly 22, welding pressure head subassembly 27 compresses tightly current collecting disc and electric core when being used for the welding, so that welding system 1 welds current collecting disc to electric core, and provide the gas protection gas way, laser channel and dust removal air current passageway, distribution subassembly 22 sets up on welding pressure head subassembly 27, be used for carrying inert gas to in the welding pressure head subassembly 27, and cooperation welding pressure head subassembly 27 keeps the gas protection gas way, the leakproofness of laser channel and dust removal air current passageway, welding jig 3 sets up in welding frock 2 below, press from both sides the electric core tightly during the welding.
Specifically, the equipment can be designed into double channels, the welding tool 2 on the left side and the welding fixture 3 on the right side are the same, one-time feeding or one-side feeding during welding of a positive current collector and a negative current collector can be met, and therefore welding efficiency is improved, the welding system 1 comprises a rack, an X-axis servo module, a Z-axis servo module, an air knife and a welding vibration lens, the X-axis servo module is arranged on the rack, the Z-axis servo module is arranged on the X-axis servo module, the welding vibration lens is arranged on the Z-axis servo module, the air knife is arranged on one side of the welding vibration lens, the position of the welding vibration lens can be adjusted through the X-axis servo module and the Z-axis servo module, the welding vibration lens is suitable for double-channel welding, when welding, an electric core is placed into the welding fixture 3, and the welding fixture 3 clamps the electric core tightly; the welding tool 2 descends to the right position, the current collecting disc and the battery cell are compressed, the air blowing and dust removal starting are started under the cooperation of the welding pressure head assembly 27 and the air distribution assembly 22, and the welding galvanometer emits laser to weld the battery cell and the current collecting disc through a laser channel; and after the welding is finished, the welding tool 2 resets, and the battery core is taken out of the welding fixture 3.
Further, the welding tool 2 of the device further comprises a mounting seat 23, a lifting cylinder 25, a sliding table 21, a limiting assembly 24 and a locking assembly 26, the mounting seat 23 is arranged below the welding system 1, the lifting cylinder 25 is arranged on one side of the mounting seat 23, the sliding table 21 is arranged on the other side of the mounting seat 23, the lifting cylinder 25 is connected with the sliding table 21 through a connecting portion and used for driving a welding pressure head assembly 27 to move to tightly press a current collecting disc and a battery cell, the limiting assembly 24 is arranged on the sliding table 21 and used for detachably arranging the welding pressure head assembly 27 below the sliding table 21, the locking assembly 26 is arranged between the mounting seat 23 and the sliding table 21 and used for limiting the downward movement position of the sliding table 21.
Specifically, referring to fig. 4, fig. 5 and fig. 6, since the welding pressure head assembly 27 is a quick-wear part, the welding pressure head assembly 27 and the sliding table 21 can be detached or installed through the limiting assembly 24, and replacement is facilitated, the gas distribution assembly 22 is disposed above the sliding table 21, and the gas distribution assembly 22 penetrates through the sliding table 21 and is connected with the welding pressure head assembly 27, and cooperates with the welding pressure head assembly 27 to maintain the tightness of the gas protection gas channel, the laser channel and the dust removal gas flow channel, during welding, the lifting cylinder 25 drives the welding pressure head assembly 27 to descend to the proper position through the sliding table 21, so that the welding pressure head assembly 27 compresses the current collecting disc and the battery cell, and in the descending process of the sliding table 21, the setting of the locking assembly 26 can ensure the precision of descending to the proper position of the sliding table 21.
Further, the stopping assembly 26 includes a connecting member 261, a hydraulic buffer 262 and a stopping member 263, wherein the connecting member 261 is disposed on a side of the sliding table 21 adjacent to the mounting base 23 and penetrates through the mounting base 23, the hydraulic buffer 262 is disposed on an end of the connecting member 261 penetrating through the mounting base 23, and the stopping member 263 is disposed on a side wall of the mounting base 23 and is used for cooperating with the hydraulic buffer 262 to limit a position of the sliding table 21 moving downwards.
Specifically, referring to fig. 5, in the descending process, the sliding table 21 drives the hydraulic buffer 262 to move downward through the connecting member 261 until the hydraulic buffer 262 contacts the stopping member 263, so that the descending accuracy of the sliding table 21 can be ensured, and meanwhile, the problem that the welding tool 2 is damaged due to hard collision can be prevented.
Further, the limiting assembly 24 comprises two groups of clamping cylinders 242 and 20866 \ rods 241, limiting plates 243 and limiting frames 244, the two groups of clamping cylinders 242 are arranged on the sliding table 21 and located on two sides of the gas distribution assembly 22, the 20866 \ rods 241 are arranged on the clamping cylinders 242 and 20866 \ rods 241 penetrate through the sliding table 21, the limiting plates 243 are arranged at the bottom of the 20866rod 241 so that the welding pressure head assembly 27 can abut against the lower surface of the sliding table 21, and the limiting frames 244 are arranged at the bottom of the sliding table 21 and used for fixing the moving track of the welding pressure head assembly 27.
Specifically, referring to fig. 4, 5, 6 and 8, when the welding pressure head assembly 27 is installed, the bottom of the welding pressure head assembly 27 is supported to be pushed inwards along the opening of the limiting frame 244 until the bottom is abutted against the inner wall of one side of the limiting frame 244, then the clamping cylinder 242 drives the 20866type rod 241 to move upwards, the 20866type rod 241 drives the limiting plate 243 to move upwards, so that the limiting plate 243 compresses the welding pressure head assembly 27, the welding pressure head assembly 27 can be installed, when the welding pressure head assembly 27 needs to be disassembled, the clamping cylinder 242 drives the 20866type rod 241 to move downwards, and the 20866type rod 241 drives the limiting plate 243 to move downwards, so that the limiting plate 243 is separated from the welding pressure head assembly 27, and then the welding pressure head assembly 27 is moved out of the opening of the limiting frame 244, and the welding pressure head assembly 27 can be disassembled.
Specifically, the welding head assembly 27 includes a head plate 271, a plurality of sets of first through holes 273 and a plurality of sets of second through holes 272, the plurality of sets of first through holes 273 are disposed through the interior of the head plate 271 along the vertical direction for allowing the laser and dust removing air flow to pass through; a plurality of sets of second through holes 272 are provided inside the head plate 271 at an angle in the vertical direction, and one end communicates with the first through hole 273 for allowing the flow of shielding gas therethrough.
Specifically, referring to fig. 6, 8, 9 and 10, the bottom surface of the pressure head plate 271 presses the current collecting plate and the electric core to provide a welding reference surface, the first through holes 273 allow laser and dust removing air to pass through, the dust removing air can prevent smoke or splashes from polluting the electric core during welding, the first through holes 273 can be set into six or four groups according to the area of laser welding, meanwhile, the aperture of the first through holes 273 can be gradually reduced from top to bottom, so that the first through holes can be focused on the welding surface to provide a welding effect, the second through holes 272 provide welding shielding air to pass through, the shielding air can prevent the welding surface from being oxidized and can rapidly cool the welding surface, preferably, the included angle between the second through holes 272 and the Z axis is 30 °, the shielding air can be blown to the welding surface in a limited space, and the resistance along the process is reduced, and the flow rate of the shielding air is greater than that of the dust removing air, so that the shielding air can flow on the welding surface.
Further, the gas distribution assembly 22 includes a gas distribution plate 221, a third through hole 223, a plurality of sets of fourth through holes 224 and a pipeline 222, the gas distribution plate 221 is disposed above the welding pressure head assembly 27, the third through hole 223 is disposed inside the gas distribution plate 221 along the vertical direction in a penetrating manner, and is communicated with the laser channel and the dust removal airflow channel, a plurality of sets of fourth through holes 224 are disposed inside the gas distribution plate 221 along the vertical direction in a penetrating manner, are distributed around the third through hole 223, and are communicated with the gas protection airflow channel, the pipeline 222 is detachably disposed at the top of the gas distribution plate 221, and is communicated with the third through hole 223.
Specifically, fig. 4, 6 and 7 show that the bottom of the gas distribution plate 221 is in clearance fit with the top of the pressure head plate 271 to achieve a sealing effect, the stainless steel quick connector is in sealing connection with a fourth through hole 224 at the top of the gas distribution plate 221 through threads to convey shielding gas for the fourth through hole 224, the bottoms of multiple groups of fourth through holes 224 are correspondingly communicated with one ends of multiple groups of second through holes 272, the third through hole 223 of the gas distribution plate 221 is communicated with multiple groups of first through holes 273, the lower end face of the pipeline 222 is tightly attached to the third through hole 223 of the gas distribution plate, and the pipeline 222 is coaxial with the third through hole 223 to allow laser and dust removal gas flow to pass through.
Further, the duct 222 is provided with two flow passages, which form a Y-shaped structure for providing the laser and the dust removing air flow to pass through respectively.
Specifically, in fig. 4 and 5, one of the flow passages is a flow passage coaxial with the center of the third through hole 223 for the passage of the laser light, and the other flow passage is a flow passage for the passage of the dust removing air.
Further, the welding fixture 3 includes a base 31, multiple sets of movable rods 36, a floating plate 35, a spring, a fixed pressing block 34, a movable pressing block 33, and a pushing cylinder 32, where the multiple sets of movable rods 36 are disposed at four corners of the base 31; the floating plate 35 is arranged on the top of the movable rod 36; the spring is arranged on the surface of the movable rod 36 and is positioned between the floating plate 35 and the base 31; the fixed pressing block 34 is detachably arranged at one end of the floating plate; the movable pressing block 33 is slidably arranged at the other end of the floating plate 35 and is used for clamping and fixing the battery cell in cooperation with the relative movement of the fixed pressing block 34; the pushing cylinder 32 is arranged on the floating plate 35, and a piston rod of the pushing cylinder 32 is connected with one side of the movable pressing block 33 and used for pushing the movable pressing block 33 to move.
Specifically, fig. 11 and 12, the movable rod 36, the spring and the floating plate 35 cooperate with each other to play a role of floating support, so as to improve the welding precision, when the battery core needs to be clamped, the battery core is placed on the floating plate 35 and is located between the fixed pressing block 34 and the movable pressing block 33, the pushing cylinder 32 is started, so that the pushing cylinder 32 drives the movable pressing block 33 to move, and since the inner side shapes of the fixed pressing block 34 and the movable pressing block 33 can form a whole circle, the battery core can be clamped by adopting the profiling clamping principle.
Further, the welding jig 3 further comprises a lifting and lifting assembly 37, the lifting and lifting assembly 37 comprises a lifting cylinder 371, a mounting plate 373 and a lifting shaft 372, and the lifting cylinder 371 is arranged at the bottom of the floating plate 35; the mounting plate 373 is disposed on the lift cylinder 371; lift axle 372 sets up on mounting panel 373, and lift axle 372 one end runs through floating plate 35, and on same central line with the centre of a circle of fixed compact heap 34 for lift electric core exposes and snatchs the space, and reduces in floating plate 35 upper surface down during the welding.
Specifically, referring to fig. 11 and 12, when loading and unloading are required, the lifting cylinder 371 drives the lifting shaft 372 to ascend through the mounting plate 373, so that a part of the battery core is exposed, and thus the battery core has a grabbing space, the loading and unloading are convenient, the lifting shaft 372 descends in place during the positioning welding, the upper surface of the lifting shaft 372 is lower than the upper surface of the floating plate 35, the welding precision is prevented from being affected during the welding, and meanwhile, the space occupied by the lifting assembly 37 can be reduced through the cooperation of the mounting plate 373 and the lifting shaft 372,
further, the equipment further comprises a moving tool 4, the moving tool 4 comprises a rodless cylinder 41 and a guide unit 42, the rodless cylinder 41 is arranged at the bottom of the welding fixture 3 and used for driving the welding fixture 3 to move into or out of a welding position, and the guide unit 42 is arranged on two sides of the rodless cylinder 41 and used for limiting the moving track of the welding fixture 3.
Specifically, referring to fig. 2 and 3, the rodless cylinder 41 drives the welding fixture 3 to move, so that the welding fixture 3 is moved into or out of the welding position, and meanwhile, under the cooperation effect of the guide unit 42, the moving position of the welding fixture 3 can be limited.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (10)
1. The utility model provides a 4680 cylinder electricity core current collector laser welding equipment which characterized in that includes:
the welding system is used for performing laser welding on the battery cell and the current collecting disc;
the welding tool is arranged below the welding system and comprises a welding pressure head assembly and a gas distribution assembly;
the welding pressure head assembly is used for tightly pressing the current collecting disc and the battery core during welding so that the current collecting disc is welded to the battery core by the welding system, and a gas-protection gas passage, a laser passage and a dust-removal gas passage are provided;
the gas distribution assembly is arranged on the welding pressure head assembly and used for conveying inert gas into the welding pressure head assembly and matching with the welding pressure head assembly to keep the sealing performance of the gas protection gas channel, the laser channel and the dust removal gas channel;
and the welding fixture is arranged below the welding fixture and is used for clamping the battery cell during welding.
2. The 4680 cylindrical cell current collector disc laser welding device of claim 1, wherein the welding tool further comprises:
the mounting seat is arranged below the welding system;
the lifting cylinder is arranged on one side of the mounting seat;
the lifting cylinder is connected with the sliding table through a connecting part and is used for driving the welding pressure head assembly to move so as to tightly press the current collecting disc and the battery cell;
the limiting assembly is arranged on the sliding table and used for detachably arranging the welding pressure head assembly below the sliding table;
and the locking assembly is arranged between the mounting seat and the sliding table and is used for limiting the downward movement position of the sliding table.
3. The 4680 cylindrical cell current collector disc laser welding apparatus of claim 2, wherein the stop assembly comprises:
the connecting piece is arranged on one side of the sliding table, which is adjacent to the mounting seat, and penetrates through the mounting seat;
the hydraulic buffer is arranged at one end of the connecting piece penetrating through the mounting seat;
and the stop piece is arranged on the side wall of the mounting seat and is used for matching with the hydraulic buffer to limit the downward movement position of the sliding table.
4. The 4680 cylindrical cell current collector disc laser welding apparatus of claim 2, wherein the limiting assembly comprises;
the two groups of clamping cylinders are arranged on the sliding table and are positioned on two sides of the gas distribution assembly;
20866;
the limiting plate is arranged at the bottom of the 20866bar, so that the welding pressure head assembly can abut against the lower surface of the sliding table;
and the limiting frame is arranged at the bottom of the sliding table and used for fixing the moving track of the welding pressure head assembly.
5. The 4680 cylindrical cell current collector disc laser welding apparatus of claim 1, wherein the weld ram assembly comprises:
a head pressing plate;
the first through holes are arranged in the pressure head plate in a penetrating manner along the vertical direction and used for allowing laser and dust removal airflow to pass through;
and the plurality of groups of second through holes are arranged inside the pressure head plate at an angle along the vertical direction, and one ends of the second through holes are communicated with the first through holes for allowing the gas-protection airflow to pass through.
6. The 4680 cylindrical cell current collector disc laser welding apparatus of claim 1, wherein the gas distribution assembly comprises;
the gas distribution plate is arranged above the welding pressure head assembly;
the third through hole is arranged inside the gas distribution plate in a penetrating manner along the vertical direction and is communicated with the laser channel and the dust removal airflow channel;
the multiple groups of fourth through holes are arranged inside the air distribution plate in a penetrating manner along the vertical direction, distributed around the third through holes and communicated with the air protection channel;
and the pipeline is detachably arranged at the top of the gas distribution plate and is communicated with the third through hole.
7. The 4680 cylindrical cell current collector laser welding device as claimed in claim 6, wherein the duct has two flow passages, and the two flow passages form a Y-shaped structure for providing laser and dust removal airflow to pass through respectively.
8. The 4680 cylindrical cell current collector disc laser welding apparatus of claim 1, wherein the welding fixture comprises:
a base;
the multiple groups of movable rods are arranged at four corners of the base;
the floating plate is arranged at the top of the movable rod;
the spring is arranged on the surface of the movable rod and positioned between the floating plate and the base;
the fixed pressing block is detachably arranged at one end of the floating plate;
the movable pressing block is arranged at the other end of the floating plate in a sliding manner and is used for matching with the fixed pressing block to move relatively to clamp and fix the battery cell;
and the pushing cylinder is arranged on the floating plate, and a piston rod of the pushing cylinder is connected with one side of the movable pressing block and used for pushing the movable pressing block to move.
9. The 4680 cylindrical cell current collector laser welding apparatus of claim 8, wherein the welding fixture further comprises a lift assembly, the lift assembly comprising:
the lifting cylinder is arranged at the bottom of the floating plate;
the mounting plate is arranged on the lifting cylinder;
the lifting shaft is arranged on the mounting plate, one end of the lifting shaft penetrates through the floating plate, and the circle center of the fixed pressing block is located on the same center line, so that the lifting electric core is exposed out of the grabbing space, and the lifting electric core is reduced on the upper surface of the floating plate during welding.
10. The 4680 cylindrical cell current collector disc laser welding equipment as claimed in claim 1, further comprising a moving tool, wherein the moving tool comprises a rodless cylinder and a guide unit;
the rodless cylinder is arranged at the bottom of the welding fixture and used for driving the welding fixture to move in or out of a welding position;
and the guide units are arranged on two sides of the rodless cylinder and used for limiting the moving track of the welding fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221777960.5U CN218396433U (en) | 2022-07-07 | 2022-07-07 | 4680 cylinder electricity core current collector dish laser welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221777960.5U CN218396433U (en) | 2022-07-07 | 2022-07-07 | 4680 cylinder electricity core current collector dish laser welding equipment |
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| Publication Number | Publication Date |
|---|---|
| CN218396433U true CN218396433U (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221777960.5U Active CN218396433U (en) | 2022-07-07 | 2022-07-07 | 4680 cylinder electricity core current collector dish laser welding equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117139844A (en) * | 2023-10-30 | 2023-12-01 | 广东东博智能装备股份有限公司 | Welding equipment with electric core protection |
-
2022
- 2022-07-07 CN CN202221777960.5U patent/CN218396433U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117139844A (en) * | 2023-10-30 | 2023-12-01 | 广东东博智能装备股份有限公司 | Welding equipment with electric core protection |
| CN117139844B (en) * | 2023-10-30 | 2024-02-20 | 广东东博智能装备股份有限公司 | Welding equipment with electric core protection |
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