CN119870694A - Welding assembly of lithium battery cap - Google Patents
Welding assembly of lithium battery cap Download PDFInfo
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- CN119870694A CN119870694A CN202411169488.0A CN202411169488A CN119870694A CN 119870694 A CN119870694 A CN 119870694A CN 202411169488 A CN202411169488 A CN 202411169488A CN 119870694 A CN119870694 A CN 119870694A
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- Prior art keywords
- rod
- pushing
- lithium battery
- cap
- component
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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
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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
-
- 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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
本发明涉及焊接领域，具体公开了一种锂电池盖帽的焊接组件，包括承载板，所述承载板上设置有转动机构，所述转动机构上设置有转盘，所述转盘上开设有多个用于放置锂电池的容纳槽；所述承载板上设置有滑动组件，所述滑动组件上设置有多个与所述容纳槽相对应的顶起组件，所述顶起组件的输出端位于所述容纳槽内。本发明实现对多组锂电池与盖帽的连续性焊接，同时能实现对锂电池及盖帽的压紧动作，降低盖帽脱落的现象，且能实现对锂电池与盖帽的压紧度进行检测，对未压紧的锂电池及盖帽进行剔除，从而保证锂电池的良品率，提高市场竞争力，且避免焊接机构对锂电池的破坏，提高对锂电池的保护作用，提高锂电池的生产效率。
The present invention relates to the field of welding, and specifically discloses a welding assembly for lithium battery caps, including a carrier plate, a rotating mechanism is provided on the carrier plate, a turntable is provided on the rotating mechanism, and a plurality of receiving slots for placing lithium batteries are provided on the turntable; a sliding assembly is provided on the carrier plate, and a plurality of lifting assemblies corresponding to the receiving slots are provided on the sliding assembly, and the output end of the lifting assembly is located in the receiving slot. The present invention realizes continuous welding of multiple groups of lithium batteries and caps, and can simultaneously realize the pressing action of lithium batteries and caps, reduce the phenomenon of caps falling off, and can realize the detection of the pressing degree of lithium batteries and caps, and remove lithium batteries and caps that are not pressed, thereby ensuring the yield rate of lithium batteries, improving market competitiveness, avoiding the damage of lithium batteries by welding mechanisms, improving the protection of lithium batteries, and improving the production efficiency of lithium batteries.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a welding assembly of a lithium battery cap.
Background
The lithium battery cap is an important component of the lithium battery, is positioned at the top of the battery and bears a plurality of key functions, and comprises a top cover, a rubber ring, an explosion-proof membrane, an aluminum sheet, a pore plate and the like, and has the functions of current transmission, protection and sealing.
In the prior patent CN113618239a, a lithium battery cap laser welding device is disclosed, which comprises a conveying mechanism, a laser welding mechanism and an intermittent synchronization mechanism, wherein the conveying mechanism is used for conveying a lithium battery, the laser welding mechanism is used for welding a cap installed at the end part of the lithium battery, and the intermittent synchronization mechanism is used for intermittently controlling the synchronous movement of the laser welding mechanism and the conveying mechanism. According to the lithium battery cap laser welding device, the conveying mechanism, the laser welding mechanism and the gap synchronizing mechanism are arranged, the conveying mechanism is used for conveying the lithium battery provided with the cap, the laser welding mechanism is used for welding the cap arranged on the lithium battery, the gap synchronizing mechanism is used for intermittently controlling the laser welding mechanism to synchronously move with the conveying mechanism, and the cap can be welded in the process that the conveying mechanism conveys the lithium battery provided with the cap, so that the welding efficiency of the lithium battery cap laser welding device on the cap is improved.
In the structure, the welding of the lithium battery cap can be realized, but because the cap is arranged on the lithium battery, when the welding is not completed, the cap is easy to fall off from the lithium battery in the conveying process, and the falling condition of the cap is not detected, so that the welding between the falling cap and the lithium battery cannot be realized, the welding device cannot continuously weld the cap, even the damage of the welding device to the lithium battery is caused, the protection effect on the lithium battery is reduced, the yield of the lithium battery is not beneficial to be improved, and the production efficiency of the lithium battery is reduced.
Therefore, how to provide a welding assembly for lithium battery caps is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a welding assembly of a lithium battery cap, which comprises a bearing plate, wherein a rotating mechanism is arranged on the bearing plate, a turntable is arranged on the rotating mechanism, and a plurality of containing grooves for containing lithium batteries are formed in the turntable;
The bearing plate is provided with a sliding assembly, the sliding assembly is provided with a plurality of jacking assemblies corresponding to the accommodating grooves, and the output ends of the jacking assemblies are positioned in the accommodating grooves;
The bearing plate is provided with a pressing component for pressing the cap on the lithium battery, the pressing component is provided with a pushing component, the pushing component is connected with a detection component for detecting the cap pressing degree, and the pushing component is provided with an adjusting component connected with the detection component;
when the detection assembly detects that the cap is not pressed, the pushing assembly forces the adjusting assembly to be connected with the sliding assembly, and when the pushing assembly retreats, the pushing assembly drives the jacking assembly to jack up the lithium battery and the cap upwards through the detection assembly and the adjusting assembly;
The lithium battery and cap welding device is characterized in that a welding mechanism for welding the lithium battery and the cap is arranged on the bearing plate, and a pushing assembly for pushing the lithium battery and the cap jacked by the jacking assembly is arranged on the bearing plate.
Preferably, the rotating mechanism comprises a motor arranged on the bearing plate, a bearing on the bearing plate is connected with a rotating rod connected with the turntable, a driving gear is fixedly sleeved on an output shaft of the motor, and a driven gear meshed with the driving gear is fixedly sleeved on the rotating rod.
Preferably, the jack-up subassembly is including setting up roof in the holding tank, the roof with holding tank looks adaptation, be provided with on the roof and run through the ejector pin of holding tank, be provided with the installation piece on the ejector pin, the installation piece with be provided with the cover between the carousel and establish the spring one of ejector pin outer lane.
Preferably, the sliding assembly comprises a supporting rod arranged on the bearing plate, a circular guide rail is arranged on the supporting rod, a discharging convex rail is arranged on the circular guide rail, rollers matched with the circular guide rail are arranged on the mounting block, a connecting rod is arranged on the mounting block, and a pushing rack is arranged on the connecting rod.
Preferably, the pressing component comprises a first fixing plate arranged on the bearing plate, a hydraulic push rod is arranged on the first fixing plate, and a pressing die matched with the cap and the lithium battery is arranged at the output end of the hydraulic push rod.
Preferably, the pushing assembly comprises a cross rod arranged at the output end of the hydraulic push rod, the cross rod penetrates through the first fixing plate, a pushing cylinder is arranged on the first fixing plate, a pushing piston is arranged in the pushing cylinder, a pushing rod penetrating through the pushing cylinder is connected to the pushing piston, the cross rod is connected with the pushing rod, and an air duct is arranged on the pushing cylinder.
Preferably, the detection assembly comprises a second fixing plate arranged on the bearing plate, a second detection cylinder communicated with the air duct is arranged on the second fixing plate, an extrusion piston is arranged in the detection cylinder, a movable rod penetrating through the detection cylinder is arranged on the extrusion piston, a detection rod penetrating through the movable rod is arranged at the end part of the movable rod, a pressure sensing sheet is arranged at the end part of the detection rod, a detection block used for detecting a cap is arranged on the pressure sensing sheet, a second spring sleeved on the outer ring of the detection rod is arranged between the pressure sensing sheet and the movable rod, a first electromagnetic valve is arranged on the air duct, a vertical rod is arranged on the movable rod, and a horizontal rack is arranged on the vertical rod.
Preferably, the adjusting component comprises an adjusting cylinder arranged on the second fixing plate, an adjusting piston is arranged in the adjusting cylinder, an adjusting rod penetrating through the adjusting cylinder is arranged on the adjusting piston, a supporting block is arranged on the adjusting rod, an adjusting gear meshed with the horizontal straight rack is connected to the supporting block through a bearing, a branch pipe communicated with the air duct is arranged on the adjusting cylinder, and a second electromagnetic valve is arranged on the branch pipe.
Preferably, the welding mechanism comprises a fixing plate III arranged on the bearing plate, a mechanical arm is arranged on the fixing plate III, and an annular laser welding head is arranged on the mechanical arm.
Preferably, the pushing component comprises a bearing rod arranged on the fixing plate III, a suspension plate is arranged on the bearing rod, two groups of electric push rods are arranged on the suspension plate, and an arc-shaped pushing plate is arranged at the output end of the electric push rods.
The beneficial effects of the invention are as follows:
Before welding a lithium battery and a cap, the lithium battery is conveyed in a containing groove through a conveying device, a rotating disc is forced to rotate by a process by utilizing a rotating mechanism, a sliding component drives a jacking component to move by one process, the lithium battery is positioned below the cap, the cap is attached to the top of the lithium battery by utilizing the conveying device, the rotating mechanism is continuously started, the lithium battery and the cap are simultaneously positioned at a pressing component, the pressing component is started to compress the cap, the cap is compressed on the lithium battery, when the pressing component is pressed down, the pushing component is driven to move, the detecting component moves towards the cap, the compression degree of the cap is detected, when the cap is detected to be compressed, the detecting component smoothly passes through, at the moment, the adjusting component does not act, the compression of the upper group of caps is completed, the pressing component is moved upwards, the detecting component is restored to the original position by a pushing component, the rotating mechanism is continuously started, the lithium battery and the cap are enabled to move to the lower part of the welding mechanism, the lithium battery and the cap are welded by utilizing the welding mechanism, when the cap is detected, the cap is not compressed, the detecting component is enabled to be opened, the detecting component is not to be compressed, and the detecting component is enabled to be connected with the detecting component is adjusted to be in a proper way, and the pressing component is not pushed to be in a proper way, and is adjusted to move, and is enabled to be in a position, and is adjusted to be in a state when the cap is adjusted to be in a state, and is moved. The welding assembly of the lithium battery cap disclosed by the application realizes continuous welding of a plurality of groups of lithium batteries and caps, can realize the pressing action on the lithium batteries and the caps, improves the stability of the lithium batteries and the caps, reduces the falling phenomenon of the caps, can realize the detection on the pressing degree of the lithium batteries and the caps, eliminates the uncompacted lithium batteries and the caps, thereby ensuring the yield of the lithium batteries, improving the market competitiveness, avoiding the damage of the welding mechanism to the lithium batteries, improving the protection effect on the lithium batteries and improving the production efficiency of the lithium batteries.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a partial structural entity diagram of the present invention;
FIG. 3 is a structural diagram of a rotary mechanism according to the present invention;
FIG. 4 is a diagram showing the positional relationship between the pushing assembly and the detecting assembly and the adjusting assembly according to the present invention;
FIG. 5 is a structural entity diagram of the jack-up assembly of the present invention;
FIG. 6 is a structural entity diagram of the pushing assembly of the present invention;
FIG. 7 is a structural entity diagram of the detection assembly of the present invention;
FIG. 8 is a structural entity view of the slide assembly of the present invention;
FIG. 9 is a structural entity diagram of the pushing assembly of the present invention;
Fig. 10 is a structural entity view of the welding mechanism of the present invention.
1, A bearing plate, 2, a rotating mechanism, 201, a motor, 202, a rotating rod, 203, a driving gear, 204, a driven gear, 3, a turntable, 4, a containing groove, 5, a sliding component, 501, a supporting rod, 502, a circular guide rail, 503, a blanking convex rail, 504, a roller, 505, a connecting rod, 506, a jacking rack, 6, a jacking component, 601, a top plate, 602, a top rod, 603, a mounting block, 604, a spring I, 7, a pressing component, 701, a fixed plate I, 702, a hydraulic push rod, 703, a pressing die, 8, a pushing component, 801 and a cross rod;
802. Pushing cylinder 803, pushing piston 804, pushing rod 805, air duct 9, detecting component;
901. Fixing plate II, 902, detecting cylinder, 903, extruding piston, 904, movable rod, 905, detecting rod, 906, pressure sensing piece, 907, detecting block, 908, spring II, 909, solenoid valve I, 9010, vertical rod, 9011, horizontal straight rack, 10, adjusting component, 1001, adjusting cylinder, 1002, adjusting piston, 1003, adjusting rod, 1004, supporting block, 1005, adjusting gear, 1006, branch pipe, 1007, solenoid valve II, 11, welding mechanism, 1101, fixing plate III, 1102, mechanical arm, 1103, ring laser welding head, 12, pushing component, 1201, bearing rod, 1202, suspending plate, 1203, electric push rod, 1204, pushing plate.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
Embodiment one:
As shown in fig. 1, 2, 3,4, 5, 6, 7, 8, 9 and 10, the welding assembly of the lithium battery cap of the present invention comprises a bearing plate 1, wherein a rotating mechanism 2 is arranged on the bearing plate 1, a rotating disc 3 is arranged on the rotating mechanism 2, and a plurality of accommodating grooves 4 for accommodating lithium batteries are arranged on the rotating disc 3;
the bearing plate 1 is provided with a sliding component 5, the sliding component 5 is provided with a plurality of jacking components 6 corresponding to the accommodating grooves 4, and the output ends of the jacking components 6 are positioned in the accommodating grooves 4;
The bearing plate 1 is provided with a pressing component 7 for pressing the cap on the lithium battery, the pressing component 7 is provided with a pushing component 8, the pushing component 8 is connected with a detecting component 9 for detecting the cap pressing degree, and the pushing component 8 is provided with an adjusting component 10 connected with the detecting component 9;
when the detection assembly 9 detects that the cap is not pressed, the pushing assembly 8 forces the adjusting assembly 10 to be connected with the sliding assembly 5, and when the pressing assembly 7 retreats, the pushing assembly 8 drives the jacking assembly 6 to jack up the lithium battery and the cap upwards through the detection assembly 9 and the adjusting assembly 10;
The bearing plate 1 is provided with a welding mechanism 11 for welding the lithium battery and the cap, and the bearing plate 1 is provided with a pushing assembly 12 for pushing the lithium battery and the cap jacked by the jacking assembly 6.
Before welding a lithium battery and a cap, the lithium battery is conveyed in a containing groove 4 through a conveying device, meanwhile, a rotating mechanism 2 is utilized to force a turntable 3 to rotate for one process, a sliding component 5 drives a jacking component 6 to move for one process, the lithium battery is positioned below the cap, the cap is attached to the top of the lithium battery through the conveying device, and the rotating mechanism 2 is continuously started, so that the lithium battery and the cap are positioned at a pressing component 7 at the same time; starting the pressing component 7to force the pressing component 7to press the cap, so that the cap is pressed on the lithium battery, when the pressing component 7 presses down, the pushing component 8 is driven to move, the pushing component 8 drives the detecting component 9 to move, the detecting component 9 moves towards the cap to detect the pressing degree of the cap, when the cap is detected to press, the detecting component 9 passes smoothly, at the moment, the regulating component 10 does not act, pressing of the previous group of caps is completed when the cap is retracted, the pressing component 7 moves upwards, the detecting component 9 returns to the original position by the action of the pushing component 8, the rotating mechanism 2 is continuously started, the turntable 3 rotates a process, so that the lithium battery and the cap move to the position below the welding mechanism 11, the welding mechanism 11 is utilized to weld the lithium battery and the cap, when the cap is detected to be not pressed, the detecting component 9 is subjected to the resistance action of the cap above the lithium battery, the detecting component 9 is disconnected from the pushing component 8, the detecting component 9 is kept to be fixed, the pushing component 8 is communicated with the regulating component 10, the pressing component 7 continues to be pressed to a reasonable position, the pressing component 8 is forced to move the regulating component 10 when the regulating component 10 is driven to move back, and the regulating component 10 is forced to slide when the regulating component 10 is connected with the regulating component 5, the pushing component 8 and the adjusting component 10 are disconnected to ensure that the adjusting component 10 is not moved, the pushing component 8 is communicated with the detecting component 9, when the pushing component 7 moves upwards, the pushing component 8 drives the detecting component 9 to move, the effect of the adjusting component 10 enables the sliding component 5 to move upwards until the jacking component 6 jacks up the uncompacted cap and lithium battery, the pushing component 12 is utilized to push the lithium battery and the cap out of the turntable 3 until the detecting component 9 is restored to the original position, the pushing component 8 is forced to be communicated with the adjusting component 10, the pressing component 7 continues to move upwards to the original position, the adjusting component 10 is restored to the original position, at the moment, under the action of gravity, the sliding component 5 and the jacking component 6 move downwards to the original position, and the next process welding mechanism 11 does not work.
Embodiment two:
As shown in fig. 2 and 3, in the welding assembly of the lithium battery cap of the present invention, the rotating mechanism 2 includes a motor 201 mounted on a carrier plate 1, a rotating rod 202 connected with a turntable 3 is connected to a bearing on the carrier plate 1, a driving gear 203 is fixedly sleeved on an output shaft of the motor 201, and a driven gear 204 meshed with the driving gear 203 is fixedly sleeved on the rotating rod 202.
As shown in fig. 2, 4 and 5, the welding assembly of the lithium battery cap of the present invention, the jacking assembly 6 includes a top plate 601 disposed in the accommodating groove 4, the top plate 601 is adapted to the accommodating groove 4, a push rod 602 penetrating through the accommodating groove 4 is disposed on the top plate 601, a mounting block 603 is disposed on the push rod 602, and a first spring 604 sleeved on an outer ring of the push rod 602 is disposed between the mounting block 603 and the turntable 3.
As shown in fig. 2, 4, 5 and 8, the welding assembly of the lithium battery cap of the present invention, the sliding assembly 5 includes a supporting rod 501 disposed on the carrying plate 1, a circular guide rail 502 is disposed on the supporting rod 501, a discharging convex rail 503 is disposed on the circular guide rail 502, a roller 504 adapted to the circular guide rail 502 is mounted on a mounting block 603, a connecting rod 505 is disposed on the mounting block 603, and a pushing rack 506 is disposed on the connecting rod 505.
As shown in fig. 1, 2, 4 and 6, a welding assembly of a lithium battery cap according to the present invention, a pressing assembly 7 includes a first fixing plate 701 disposed on a carrier plate 1, a hydraulic push rod 702 is mounted on the first fixing plate 701, and a pressing die 703 adapted to the cap and the lithium battery is disposed at an output end of the hydraulic push rod 702.
As shown in fig. 2, 4 and 6, a welding assembly of a lithium battery cap according to the present invention, a pushing assembly 8 includes a cross bar 801 disposed at an output end of a hydraulic push rod 702, the cross bar 801 penetrates through a first fixing plate 701, a pushing cylinder 802 is disposed on the first fixing plate 701, a pushing piston 803 is disposed in the pushing cylinder 802, a pushing rod 804 penetrating through the pushing cylinder 802 is connected to the pushing piston 803, the cross bar 801 is connected to the pushing rod 804, and an air duct 805 is disposed on the pushing cylinder 802.
As shown in fig. 1, fig. 2, fig. 4 and fig. 7, a welding assembly for a lithium battery cap according to the present invention, the detection assembly 9 includes a second fixing plate 901 disposed on a carrier plate 1, a first detection cylinder 902 communicating with an air duct 805 is disposed on the second fixing plate 901, an extrusion piston 903 is disposed in the detection cylinder 902, a movable rod 904 penetrating the detection cylinder 902 is disposed on the extrusion piston 903, a detection rod 905 penetrating the movable rod 904 is disposed at an end of the movable rod 904, a pressure sensing piece 906 is disposed at an end of the detection rod 905, the pressure sensing piece 906 is connected with a control system, a detection block 907 for detecting the cap is disposed on the pressure sensing piece 906, a second spring 908 sleeved on an outer ring of the detection rod 905 is disposed between the pressure sensing piece 906 and the movable rod 904, a first electromagnetic valve 909 is mounted on the air duct 805, the first electromagnetic valve 909 is connected with the control system, a vertical rod 9010 is disposed on the movable rod 904, and a horizontal straight toothed bar 9011 is disposed on the vertical rod 9010.
As shown in fig. 1, 2, 4 and 7, the welding assembly of the lithium battery cap of the invention comprises an adjusting cylinder 1001 arranged on a second fixing plate 901, an adjusting piston 1002 is arranged in the adjusting cylinder 1001, an adjusting rod 1003 penetrating through the adjusting cylinder 1001 is arranged on the adjusting piston 1002, a supporting block 1004 is arranged on the adjusting rod 1003, an adjusting gear 1005 meshed with a horizontal straight rack 9011 is connected to a bearing on the supporting block 1004, a branch pipe 1006 communicated with an air duct 805 is arranged on the adjusting cylinder 1001, a second electromagnetic valve 1007 is arranged on the branch pipe 1006, and the second electromagnetic valve 1007 is connected with a control system.
As shown in fig. 1 and 10, a welding assembly of a lithium battery cap according to the present invention, a welding mechanism 11 includes a third fixing plate 1101 disposed on a carrier plate 1, a mechanical arm 1102 is disposed on the third fixing plate 1101, and an annular laser welding head 1103 is mounted on the mechanical arm 1102.
As shown in fig. 1 and 9, a welding assembly of a lithium battery cap according to the present invention, a pushing assembly 12 includes a bearing rod 1201 disposed on a third fixed plate 1101, a suspension plate 1202 is disposed on the bearing rod 1201, two sets of electric push rods 1203 are disposed on the suspension plate 1202, and an output end of the electric push rod 1203 is provided with a pushing plate 1204 having an arc shape.
Before welding a lithium battery and a cap, the lithium battery is conveyed in a containing groove 4 through a conveying device, a motor 201 is started, an output shaft of the motor 201 rotates to drive a driving gear 203 to rotate to drive a driven gear 204 to rotate to force a rotating rod 202 to rotate, the rotating rod 202 drives a turntable 3 to rotate by one process, meanwhile, a roller 504 moves on a circular guide rail 502, the roller 504 drives a mounting block 603, a push rod 602 and a top plate 601 to move by one process, the lithium battery is positioned below the cap, the cap is attached to the top of the lithium battery by the conveying device, the motor 201 is continuously started, and the turntable 3 rotates by one process, so that the lithium battery and the cap are positioned below a pressing die 703 at the same time;
when the lithium battery is pressed down, a hydraulic push rod 702 is started, the output end of the hydraulic push rod 702 drives a pressing die 703 to move downwards, and the pressing die 703 presses a cap on the lithium battery;
In the compacting process, the compacting degree of the next group of lithium batteries and caps is detected, bad products are removed in time, when the caps are in a compacting state, the caps are positioned in the accommodating groove 4, the top of the caps are flush with the notch of the accommodating groove 4, the electromagnetic valve II 1007 is closed, the electromagnetic valve I909 is opened, the air duct 805 enables the pushing cylinder 802 to be communicated with the detecting cylinder 902, when the hydraulic push rod 702 is pressed down, the output end of the hydraulic push rod 702 drives the cross rod 801 to move downwards, the cross rod 801 drives the pushing rod 804 to move downwards, the pushing rod 804 drives the pushing piston 803 to enable gas of the pushing cylinder 802 to enter the detecting cylinder 902, so that the gas in the detecting cylinder 902 is increased, the extruding piston 903 moves, the extruding piston 903 drives the movable rod 904 to move, the movable rod 904 drives the detecting rod 905, the pressure sensing piece 906, the spring II 908, the detecting block 907, the vertical rod 9010 and the horizontal straight toothed bar 9011 to move synchronously until the detecting block 907 is positioned above the accommodating groove 4, and the detecting block 907 is enabled to pass through smoothly due to the fact that the caps are in the compacting state, and the upper group of caps are compacted;
Because the cap is in a compressed state, when the hydraulic push rod 702 is retracted, the output end of the hydraulic push rod 702 moves upwards to drive the cross rod 801 to move upwards, the cross rod 801 drives the push rod 804 to move upwards, the push rod 804 drives the push piston 803 to move upwards, so that gas in the detection cylinder 902 enters the push cylinder 802, the gas in the detection cylinder 902 is reduced, the extrusion piston 903 moves reversely, the extrusion piston 903 drives the movable rod 904 to move reversely, and the movable rod 904 drives the detection rod 905, the pressure sensing piece 906, the spring II 908, the detection block 907, the vertical rod 9010 and the horizontal straight rack 9011 to restore to the original positions;
when the cap is in an uncompacted state, the top of the cap is positioned in the accommodating groove 4, but the top of the cap is higher than the notch of the accommodating groove 4, the electromagnetic valve II 1007 is closed, the electromagnetic valve I909 is opened, the air duct 805 enables the pushing cylinder 802 to be communicated with the detecting cylinder 902, when the hydraulic push rod 702 is pressed down, the output end of the hydraulic push rod 702 drives the cross rod 801 to move downwards, the cross rod 801 drives the pushing rod 804 to move downwards, the pushing rod 804 drives the pushing piston 803 to enable gas of the pushing cylinder 802 to enter the detecting cylinder 902, so that the gas in the detecting cylinder 902 is increased, the extruding piston 903 is enabled to move, the extruding piston 903 drives the movable rod 904 to move, the movable rod 904 drives the detecting rod 905, the pressure sensing piece 906, the spring II 908, the detecting block 907, the vertical rod 9010 and the horizontal straight toothed bar 9011 to move synchronously until the detecting block 907 moves to the cap, and the detecting block 907 is enabled to be in an uncompacted state, so that the detecting block 907 contacts with the top of the cap, and the cap is abutted against the inner wall of the accommodating groove 4, and therefore an effect is generated on the detecting block 907;
The detection block 907 moves reversely, the spring II 908 is compressed under the action of the movable rod 904 and the detection block 907, when the pressure sensing piece 906 just senses the pressure action and transmits a signal to the control system, the control system controls the electromagnetic valve I909 to be closed, the electromagnetic valve II 1007 is opened, the pushing cylinder 802 is communicated with the adjusting cylinder 1001 under the action of the air duct 805 and the branch pipe 1006, and the hydraulic push rod 702 continues to press down until the upper group of caps are pressed on the lithium battery by the pressing die 703 until the upper group of caps are pressed on the lithium battery, at the moment, gas in the pushing cylinder 802 enters the adjusting cylinder 1001, so that the gas in the adjusting cylinder 1001 is increased, the adjusting piston 1002 moves to drive the adjusting rod 1003 to move, the supporting block 1004 drives the adjusting gear 1005 to move, and the adjusting gear 1005 is meshed with the pushing rack 506 and the horizontal straight racks 9011;
because the cap is in an uncompacted state, when the hydraulic push rod 702 is retracted, the first electromagnetic valve 909 is opened, the second electromagnetic valve 1007 is closed, so that the push cylinder 802 is communicated with the detection cylinder 902 again, the output end of the hydraulic push rod 702 moves upwards to drive the cross rod 801 to move upwards, the cross rod 801 drives the push rod 804 to move upwards, the push rod 804 drives the push piston 803 to move upwards, the gas in the detection cylinder 902 enters the push cylinder 802, the gas in the detection cylinder 902 is reduced, the extrusion piston 903 moves reversely, the extrusion piston 903 drives the movable rod 904 to move reversely, the movable rod 904 drives the detection rod 905, the pressure sensing piece 906, the second spring 908, the detection block 907, the vertical rod 9010 and the horizontal straight rack 9011 to retract, at the moment, the horizontal straight rack 9011 drives the adjusting gear 1005 to rotate clockwise, the adjusting gear 1005 drives the top moving rack 506 to move upwards, the top moving rack 506 drives the connecting rod 505 to move upwards, the mounting block 603, the top rod 602 and the top plate 601 to move upwards, the roller 504 is separated from the circular guide 502, the first spring 604 is compressed, and the lithium battery and the cap 601 is forced to completely retract from the containing groove 4 until the movable rod 904, the detection block 907, the vertical rod 9010 and the horizontal straight rack 9011 are retracted, and the horizontal straight rack 9011 are retracted;
starting an electric push rod 1203, wherein the output end of the electric push rod 1203 drives a pushing plate 1204 to move until the pushing plate 1204 pushes out the welded lithium battery and the cap to be separated from a turntable 3, and pushing out and collecting the uncompacted lithium battery and the cap in a centralized manner;
At this time, the air in the adjusting cylinder 1001 does not return to the original state, i.e. the air in the adjusting cylinder 1001 is increased, so the hydraulic push rod 702 does not return to the original position, the first electromagnetic valve 909 is closed, the second electromagnetic valve 1007 is opened, the adjusting cylinder 1001 is communicated with the pushing cylinder 802, the hydraulic push rod 702 continues to retract, the air in the adjusting cylinder 1001 is forced to decrease, the adjusting piston 1002 drives the adjusting rod 1003 to retract until the supporting block 1004 drives the adjusting gear 1005 to separate from the pushing gear until the adjusting gear 1005 returns to the original position, and the hydraulic push rod 702 returns to the original position;
continuing to start the motor 201, rotating the turntable 3 for one process, and welding the lithium battery and the cap by using the mechanical arm 1102 and the ring laser welding head 1103 to finish welding operation;
During blanking, the turntable 3 rotates, the turntable 3 drives the welded lithium battery and the cap to move to the position of the blanking convex rail 503, the roller 504 moves upwards due to the fact that the height of the blanking convex rail 503 is higher than that of the circular guide rail 502, the roller 504 drives the mounting block 603, the ejector rod 602 and the top plate 601 to move upwards, the first spring 604 compresses, the top plate 601 ejects the welded lithium battery and the cap, the electric push rod 1203 is started, the electric push rod 1203 drives the pushing plate 1204 to move until the pushing plate 1204 pushes the welded lithium battery and the cap out of the turntable 3, and the welded lithium battery and the cap are collected in a concentrated mode.
The rotating mechanism 2 can provide a rotating acting force, so that the turntable 3 rotates, the turntable 3 moves according to a process, the rotating angle of one process is the angle between the adjacent accommodating grooves 4, and the operations of compacting, detecting, welding, blanking and the like of the lithium battery and the cap are completed; the jacking component 6 can realize the jacking function of the lithium battery and the cap, realize the ejection of the detected non-compressed cap, timely treat bad products, improve the yield of the products, and simultaneously realize the ejection of the welded lithium battery and cap, thereby being beneficial to the centralized collection of the welded products; the sliding component 5 is arranged to realize automatic discharging, when a welded lithium battery and a cap are discharged, only the turntable 3 is required to be rotated, after the roller 504 is contacted with the discharging convex rail 503, the roller 504 is enabled to ascend along the discharging convex rail 503 until the roller 504 moves to the discharging convex rail 503, thereby enabling the roller 504 to move upwards, realizing automatic action on the jacking component 6, realizing discharging operation, simultaneously being matched with the adjusting component 10, realizing detection on the cap, enabling the jacking component 6 to jack the non-compressed cap and the lithium battery, setting the pressing component 7 can realize compression action on the lithium battery and the cap, enabling the cap to be firmly clamped on the lithium battery, simultaneously providing power action, enabling the pushing component 8 to act, realizing movement of the pushing component 8, transmitting acting force, setting the pushing component 8 to enable the pushing cylinder 802 to be communicated with the adjusting cylinder 1001 and the detecting cylinder 902, realizing detection on the compression degree of the cap, realizing connection with the sliding component 5 when being communicated with the adjusting cylinder 1001, realizing non-compressed cap detection on the non-compressed cap, the device comprises a detection assembly 9, a first electromagnetic valve 909, a second electromagnetic valve 1007, a regulating assembly 10, a top-driving gear, a push rod 602 and a top plate 601, wherein the pressure-sensing plate 906 is used for detecting pressure action, the first electromagnetic valve 909 is used for controlling the communication between the detection cylinder 902 and the push cylinder 802, the movable rod 904 and the horizontal straight rack 9011 are used for pushing up the uncompacted cap and lithium battery, the second electromagnetic valve 1007 is used for controlling the communication between the regulating cylinder 1001 and the push cylinder 802, the regulating gear 1005 is used for enabling the horizontal straight rack 9011 to be pushed back to drive the top-driving gear to move upwards when the cap is not compressed, the push rod 602 and the top plate 601 are controlled to be pushed up, the mechanical arm 1102 is used for adjusting the position of the annular laser welding head 1103 to facilitate the welding action of the annular laser welding head 1103 on the lithium battery and the cap, annular welding is facilitated, the welding effect is improved, the push assembly 12 is used for enabling the device to push up the uncompacted cap and the lithium battery, the non-compressed cap and the lithium battery are pushed out, the yield of products is improved, the cap and the lithium battery are automatically pushed out from the turntable 3 and the lithium battery are collected, and the automatic discharging effect is improved.
This scheme can realize compressing tightly, detecting, welding and action such as unloading to lithium cell and block in proper order to realize the closed loop operation of device, realize the continuity operation to multiunit lithium cell and block, and can realize detecting the degree of compressing tightly of lithium cell and block, reject not compressing tightly lithium cell and block, thereby guarantee the yields of lithium cell, improve market competition, and avoid welding mechanism 11 to the destruction of lithium cell, improve the guard action to the lithium cell, improve the production efficiency of lithium cell.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The welding assembly of the lithium battery cap is characterized by comprising a bearing plate (1), wherein a rotating mechanism (2) is arranged on the bearing plate (1), a rotating disc (3) is arranged on the rotating mechanism (2), and a plurality of containing grooves (4) for containing lithium batteries are formed in the rotating disc (3);
the bearing plate (1) is provided with a sliding assembly (5), the sliding assembly (5) is provided with a plurality of jacking assemblies (6) corresponding to the accommodating grooves (4), and the output ends of the jacking assemblies (6) are positioned in the accommodating grooves (4);
The lithium battery cap pressing device is characterized in that a pressing component (7) for pressing the cap on the lithium battery is arranged on the bearing plate (1), a pushing component (8) is arranged on the pressing component (7), a detecting component (9) for detecting the cap pressing degree is connected to the pushing component (8), and an adjusting component (10) connected with the detecting component (9) is arranged on the pushing component (8);
when the detection component (9) detects that the cap is not pressed, the pushing component (8) forces the adjusting component (10) to be connected with the sliding component (5), and when the pressing component (7) is retracted, the pushing component (8) drives the jacking component (6) to jack up the lithium battery and the cap upwards through the detection component (9) and the adjusting component (10);
The lithium battery and cap welding device is characterized in that a welding mechanism (11) for welding the lithium battery and the cap is arranged on the bearing plate (1), and a pushing assembly (12) for pushing the lithium battery and the cap jacked by the jacking assembly (6) is arranged on the bearing plate (1).
2. The welding assembly of the lithium battery cap according to claim 1, wherein the rotating mechanism (2) comprises a motor (201) mounted on the bearing plate (1), a rotating rod (202) connected with the rotary disc (3) is connected to the bearing plate (1) through a bearing, a driving gear (203) is fixedly sleeved on an output shaft of the motor (201), and a driven gear (204) meshed with the driving gear (203) is fixedly sleeved on the rotating rod (202).
3. The welding assembly of a lithium battery cap according to claim 2, wherein the jacking assembly (6) comprises a top plate (601) arranged in the accommodating groove (4), the top plate (601) is matched with the accommodating groove (4), a top rod (602) penetrating through the accommodating groove (4) is arranged on the top plate (601), a mounting block (603) is arranged on the top rod (602), and a first spring (604) sleeved on the outer ring of the top rod (602) is arranged between the mounting block (603) and the rotary table (3).
4. A welding assembly for lithium battery caps according to claim 3, characterized in that the sliding assembly (5) comprises a supporting rod (501) arranged on the bearing plate (1), a circular guide rail (502) is arranged on the supporting rod (501), a discharging convex rail (503) is arranged on the circular guide rail (502), a roller (504) matched with the circular guide rail (502) is arranged on the mounting block (603), a connecting rod (505) is arranged on the mounting block (603), and a pushing rack (506) is arranged on the connecting rod (505).
5. The welding assembly of a lithium battery cap according to claim 4, wherein the pressing assembly (7) comprises a first fixing plate (701) arranged on the bearing plate (1), a hydraulic push rod (702) is arranged on the first fixing plate (701), and a pressing die (703) matched with the cap and the lithium battery is arranged at the output end of the hydraulic push rod (702).
6. The welding assembly of a lithium battery cap according to claim 5, wherein the pushing assembly (8) comprises a cross rod (801) arranged at an output end of the hydraulic push rod (702), the cross rod (801) penetrates through the first fixing plate (701), a pushing cylinder (802) is arranged on the first fixing plate (701), a pushing piston (803) is arranged in the pushing cylinder (802), a pushing rod (804) penetrating through the pushing cylinder (802) is connected to the pushing piston (803), the cross rod (801) is connected with the pushing rod (804), and an air duct (805) is arranged on the pushing cylinder (802).
7. The welding assembly of a lithium battery cap according to claim 6, wherein the detection assembly (9) comprises a second fixing plate (901) arranged on the bearing plate (1), a second detection cylinder (902) communicated with the air duct (805) is arranged on the second fixing plate (901), an extrusion piston (903) is arranged in the detection cylinder (902), a movable rod (904) penetrating through the detection cylinder (902) is arranged on the extrusion piston (903), a detection rod (905) penetrating through the movable rod (904) is arranged at the end part of the movable rod (904), a pressure sensing piece (906) is arranged at the end part of the detection rod (905), a detection block (907) used for detecting the cap is arranged on the pressure sensing piece (906), a second spring (908) sleeved on an outer ring of the detection rod (905) is arranged between the pressure sensing piece (906) and the movable rod (904), an electromagnetic valve (909) is arranged on the air duct (805), a vertical rod (904) is arranged on the movable rod (904), and the vertical rod (9010) is provided with a vertical rack (9011).
8. The welding assembly of a lithium battery cap according to claim 7, wherein the adjusting assembly (10) comprises an adjusting cylinder (1001) arranged on the second fixing plate (901), an adjusting piston (1002) is arranged in the adjusting cylinder (1001), an adjusting rod (1003) penetrating through the adjusting cylinder (1001) is arranged on the adjusting piston (1002), a supporting block (1004) is arranged on the adjusting rod (1003), an adjusting gear (1005) meshed with the horizontal straight rack (9011) is connected to an upper bearing of the supporting block (1004), a branch pipe (1006) communicated with the air duct (805) is arranged on the adjusting cylinder (1001), and a second electromagnetic valve (1007) is arranged on the branch pipe (1006).
9. The welding assembly of a lithium battery cap according to claim 8, wherein the welding mechanism (11) comprises a fixing plate III (1101) arranged on the bearing plate (1), a mechanical arm (1102) is arranged on the fixing plate III (1101), and a ring-shaped laser welding head (1103) is arranged on the mechanical arm (1102).
10. The welding assembly of a lithium battery cap according to claim 9, wherein the pushing assembly (12) comprises a bearing rod (1201) arranged on the fixing plate III (1101), a suspension plate (1202) is arranged on the bearing rod (1201), two groups of electric pushing rods (1203) are arranged on the suspension plate (1202), and an arc-shaped pushing plate (1204) is arranged at the output end of the electric pushing rods (1203).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411169488.0A CN119870694B (en) | 2024-08-24 | 2024-08-24 | A welding assembly for lithium battery cap |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411169488.0A CN119870694B (en) | 2024-08-24 | 2024-08-24 | A welding assembly for lithium battery cap |
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| CN119870694B CN119870694B (en) | 2025-07-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120395269A (en) * | 2025-05-23 | 2025-08-01 | 河南瑞尔电气股份有限公司 | Automatic welding device |
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| KR20130062495A (en) * | 2011-12-05 | 2013-06-13 | 주식회사 웰탑테크노스 | An auto welding device for laser diode cap |
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| CN210997024U (en) * | 2019-12-03 | 2020-07-14 | 深圳市华越美科技有限公司 | Pressure welding device for lithium battery cap |
| CN112589254A (en) * | 2020-12-16 | 2021-04-02 | 杭州盛通科技有限公司 | Press welding device for processing cap of lithium battery |
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2024
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| CN201776565U (en) * | 2010-09-06 | 2011-03-30 | 东莞市鸿宝锂电科技有限公司 | A battery cap welding machine |
| KR20130062495A (en) * | 2011-12-05 | 2013-06-13 | 주식회사 웰탑테크노스 | An auto welding device for laser diode cap |
| CN207372520U (en) * | 2017-11-10 | 2018-05-18 | 深圳市通则新能源科技有限公司 | Battery cap automatic welding machine |
| CN210997024U (en) * | 2019-12-03 | 2020-07-14 | 深圳市华越美科技有限公司 | Pressure welding device for lithium battery cap |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN120395269A (en) * | 2025-05-23 | 2025-08-01 | 河南瑞尔电气股份有限公司 | Automatic welding device |
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| CN119870694B (en) | 2025-07-22 |
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