CN110640318A - Linear laser welding device and welding method for lithium battery cap - Google Patents
Linear laser welding device and welding method for lithium battery cap Download PDFInfo
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- CN110640318A CN110640318A CN201911005534.2A CN201911005534A CN110640318A CN 110640318 A CN110640318 A CN 110640318A CN 201911005534 A CN201911005534 A CN 201911005534A CN 110640318 A CN110640318 A CN 110640318A
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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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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Abstract
The invention belongs to the technical field of lithium battery cap welding equipment, in particular to a linear laser welding device for a lithium battery cap, which comprises: the frame, the frame includes the workstation, the bottom fixed mounting of workstation has four supporting legs, four the inboard fixed mounting of supporting leg has the extension board, the top fixed mounting of workstation has two to found the piece, two the equal fixed mounting in top of founding the piece has the fixed block, two the equal fixed mounting in bottom of fixed block has the roof. According to the automatic feeding device, the automatic mechanical feeding work of the pore plate and the explosion-proof diaphragm can be realized through the matching of the pore plate feeding mechanism, the explosion-proof diaphragm feeding mechanism and the two displacement mechanisms, the manual feeding operation is not needed, the feeding efficiency is improved, the labor cost is reduced, the processing efficiency is improved, and in addition, the mode of the rotary table is adopted, compared with the mode of adopting a conveying belt, the whole occupied area of the device is small, and the installation and placement are convenient.
Description
Technical Field
The invention relates to the technical field of lithium battery cap welding equipment, in particular to a linear laser welding device for a lithium battery cap and a welding method thereof.
Background
The lithium battery has the characteristics of high specific energy, low self-discharge rate, good high-low temperature performance, long charge-discharge service life, no memory effect and the like. The method is widely applied to products such as mobile phones, notebook computers, digital cameras, electric vehicles, electric tools, new energy automobiles and the like.
The lithium battery cap is a component of a lithium battery, and plays a role of a positive conductive terminal and a safety valve on the lithium battery, and also provides a battery sealing function. The lithium battery cap comprises an explosion-proof diaphragm, a rubber ring, the explosion-proof diaphragm, an aluminum sheet/nickel sheet and a pore plate, wherein the explosion-proof diaphragm is arranged at the top end of the rubber ring, the pore plate is arranged at the bottom end of the rubber ring, and the aluminum sheet/nickel sheet is arranged in the middle of the rubber ring and is positioned between the explosion-proof diaphragm and the pore plate. Wherein be equipped with explosion-proof diaphragm between aluminum sheet/nickel piece and the orifice plate, be equipped with the welding point concave on the orifice plate bottom surface, during the installation, need weld explosion-proof diaphragm and orifice plate together through laser spot welding in the welding point concave of orifice plate, but present lithium cell block welding set to orifice plate and explosion-proof diaphragm still has following not enough:
mainly put into the seat of placing on the conveyer belt through artifical with orifice plate and explosion-proof diaphragm in proper order, the drive belt is the circulation drive belt that returns the shape, then place the seat and move the below of laser welder head along with the conveyer belt rotation, then accomplish behind the weldment work, rely on the manual work to take off welded finished product block, whole welding set manual work process is more, needs many people to cooperate the operation in the production process, production efficiency is low, the cost of labor is high.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a linear laser welding device for a lithium battery cap, which solves the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a linear laser welding device for lithium battery caps comprises:
the frame, the frame includes the workstation, the bottom fixed mounting of workstation has four supporting legs, four the inboard fixed mounting of supporting leg has the extension board, the top fixed mounting of workstation has two to found the piece, two the equal fixed mounting in top of founding the piece has the fixed block, two the equal fixed mounting in bottom of fixed block has the roof.
And the turntable mechanism is fixed on the rack and is used for driving the cap finished product and parts thereof to rotate.
The orifice plate feeding mechanism consists of an orifice plate adsorption mechanism, an orifice plate transfer mechanism and an orifice plate feeding mechanism and is used for feeding the orifice plate into the rotary table mechanism, and the orifice plate transfer mechanism and the orifice plate feeding mechanism are fixed on the frame.
The anti-explosion diaphragm feeding mechanism is composed of an anti-explosion diaphragm pushing mechanism, an anti-explosion diaphragm transfer mechanism, an anti-explosion diaphragm feeding mechanism and an anti-explosion diaphragm adsorption mechanism and used for feeding the anti-explosion diaphragm into the turntable feeding mechanism, and the anti-explosion diaphragm pushing mechanism, the anti-explosion diaphragm transfer mechanism and the anti-explosion diaphragm feeding mechanism are all fixed on the rack.
And the two displacement mechanisms are respectively fixed on the two displacement mechanisms, and the two displacement mechanisms are fixed on the frame so as to be matched with the orifice plate adsorption mechanism and the explosion-proof membrane adsorption mechanism to complete the feeding work of the orifice plate and the explosion-proof membrane.
And the welding mechanism is fixed on the rack and is used for welding the explosion-proof membrane and the pore plate on the turntable mechanism.
And the finished product blanking mechanism is fixed on the rack and is used for taking down the finished product cap on the turntable mechanism.
As a preferred technical solution of the present invention, the turntable mechanism includes a driving motor and a rotating shaft, the driving motor is fixed on the top of the supporting plate, one end of the rotating shaft is fixed on the top of the supporting plate through a bearing seat, the other end of the rotating shaft penetrates through the workbench and is fixedly connected to the bottom of the top plate through the bearing seat, an output shaft of the driving motor is fixedly installed with a driving gear, a part of the rotating shaft located below the workbench is fixedly installed with a driven gear, the driving gear is engaged with the driven gear, a part of the rotating shaft located above the workbench is fixedly installed with a connecting sleeve, the top of the connecting sleeve is fixedly installed with an inner turntable, the top of the inner turntable is fixedly installed with an outer turntable, and the top of the outer turntable.
As a preferable technical scheme of the invention, the number of the placing seats is eight, and the eight placing seats are uniformly distributed on the top of the outer rotating disc at equal intervals.
As a preferred technical scheme of the invention, the orifice plate adsorption mechanism comprises a connecting plate, two vacuum suction rods are fixedly mounted on the connecting plate, the orifice plate transfer mechanism and the orifice plate feeding mechanism are both fixed at the top of the workbench, and the orifice plate feeding mechanism is connected with a discharge track of the orifice plate vibration plate.
As a preferred technical scheme of the invention, the explosion-proof membrane pushing mechanism comprises a support, the support is fixed at the top of the workbench, a pushing cylinder and a pushing rail are fixedly installed at the top of the support, a pushing slider is slidably connected to the pushing rail, a piston rod of the pushing cylinder is fixedly connected to the pushing slider, a pushing block is fixedly installed at the top of the pushing slider, a feeding notch is formed in the top of the pushing block, the explosion-proof membrane transfer mechanism and the explosion-proof membrane feeding mechanism are both fixed at the top of the workbench, the explosion-proof membrane feeding mechanism is connected to a discharging rail of an explosion-proof membrane vibrating disc, the explosion-proof membrane adsorption mechanism comprises a positioning plate, and two vacuum feeding suckers are fixedly installed on the positioning plate.
As a preferred technical scheme of the present invention, the displacement mechanism includes an X-axis cylinder and an installation block, the X-axis cylinder and the installation block are both fixed on the top of the top plate, an X-axis slide rail is fixedly installed on the installation block, an X-axis slider is slidably connected to the X-axis slide rail, a piston rod of the X-axis cylinder is fixedly connected to the X-axis slider, a Z-axis positioning seat is fixedly installed on the front side of the X-axis slider, two Z-axis cylinders are fixedly installed inside the Z-axis positioning seat, a Z-axis slider is slidably connected to the front side of the Z-axis positioning seat, piston rods of the two Z-axis cylinders are both fixedly connected to the bottom of the Z-axis slider, positioning blocks are fixedly installed on the front side of the Z-axis slider, and the connection plate and the.
As a preferred technical scheme, the welding mechanism comprises a U-shaped frame, the U-shaped frame is fixed to the top of the workbench, a transverse plate is fixedly mounted on the inner side of the U-shaped frame, a pressing cylinder is fixedly mounted on the top of the inner wall of the U-shaped frame, a laser welding head is fixedly mounted on a piston rod of the pressing cylinder, a sliding barrel is embedded in the transverse plate, and the laser welding head is connected with the sliding barrel in a sliding mode.
As a preferred technical scheme, the finished product blanking mechanism comprises a blanking double-cylinder, the blanking double-cylinder is fixed at the bottom of the top plate, two piston rods of the blanking double-cylinder are fixedly provided with blanking seats, and the blanking seats are fixedly provided with vacuum blanking suckers.
A welding method of a linear laser welding device for a lithium battery cap comprises the following steps:
1) rotating: starting a driving motor to drive a driving gear to rotate, and then rotating a driven gear meshed with the driving gear, so that a rotating shaft is driven to rotate, an inner rotary disc and an outer rotary disc are driven to rotate in the same way, and eight placing seats on the outer rotary disc start to rotate;
2) loading a pore plate: when the eight placing seats in the step 1) rotate, the orifice plate vibrating disc sends an orifice plate inside the orifice plate vibrating disc into the orifice plate feeding mechanism, at the moment, a displacement mechanism corresponding to the orifice plate adsorption mechanism starts to work, the X-axis cylinder pushes the X-axis sliding block to slide on the X-axis sliding rail, the two vacuum suction rods are driven to be respectively positioned above the orifice plate transfer mechanism and the orifice plate feeding mechanism, then the two Z-axis cylinders drive the Z-axis sliding block to slide and descend on the Z-axis positioning seat, so that the two vacuum suction rods are driven to descend, the two vacuum suction rods respectively adsorb the orifice plates on the orifice plate transfer mechanism and the orifice plate feeding mechanism, then the two Z-axis cylinders drive the Z-axis sliding block to slide and ascend on the Z-axis positioning seat, meanwhile, the X-axis cylinder pushes the X-axis sliding block to reset on the X-axis sliding rail, then the two Z-axis cylinders drive the Z-axis sliding, at the moment, the orifice plate on the orifice plate feeding mechanism is transferred to the orifice plate transfer mechanism, and the orifice plate on the orifice plate transfer mechanism is transferred to the inside of the placing seat;
3) top plate feeding: in the process of step 2), after the pore plate enters the placing seat, the placing seat rotates to the position of the explosion-proof membrane feeding mechanism along with the outer rotary disc, the explosion-proof membrane vibrating disc sends the explosion-proof membrane inside the placing seat into the explosion-proof membrane feeding mechanism, then the explosion-proof membrane enters a feeding notch of the material pushing block, then the material pushing cylinder pushes the material pushing slider to slide on the material pushing track, so that the material pushing block is driven to be close to the explosion-proof membrane transfer mechanism, and then the principle is the same as that the pore plate enters the placing seat in the step 2), at the moment, the displacement mechanism is utilized to drive the explosion-proof membrane adsorption mechanism to work, and the explosion-proof membrane is sent into the placing seat with the pore plate;
4) welding: when the placing seat provided with the pore plate and the explosion-proof membrane rotates to a position right below the laser welding head, the pressing cylinder is started to drive the laser welding head to descend into the placing seat, and then after the laser welding work is finished, the pressing cylinder drives the laser welding head to ascend;
5) blanking of finished products: the finished product block after the welding is accomplished rotates the position department of finished product unloading mechanism along with placing the seat, and the double cylinder of unloading drives the unloading seat and removes this moment, then through vacuum unloading sucking disc with finished product block suction, then the double cylinder of unloading drives the unloading seat after advancing a section distance, the vacuum unloading sucking disc puts down the finished product block back, the double cylinder of unloading drives the unloading seat and resets.
(III) advantageous effects
Compared with the prior art, the invention provides a linear laser welding device for a lithium battery cap and a welding method thereof, and the linear laser welding device has the following beneficial effects:
1. according to the linear laser welding device for the lithium battery cap and the welding method of the linear laser welding device, automatic mechanical feeding work of the pore plate and the explosion-proof diaphragm can be achieved through the cooperation of the pore plate feeding mechanism, the explosion-proof diaphragm feeding mechanism and the two displacement mechanisms, manual feeding operation is not needed, feeding efficiency is improved, labor cost is reduced, machining efficiency is improved, a turntable mode is adopted, compared with a conveying belt, the linear laser welding device for the lithium battery cap is small in whole occupied area, and installation and placement are facilitated.
2. According to the linear laser welding device for the lithium battery cap and the welding method thereof, the whole welding work is short in time consumption, the welded cap can be taken down directly through a finished product blanking mechanism after the welding is finished, the whole welding work can be carried out orderly, and therefore the welding processing efficiency is improved integrally.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a perspective view of the structure of the present invention;
FIG. 3 is a perspective view of the explosion-proof membrane pusher of the present invention;
FIG. 4 is a perspective view of the structure of the present invention;
FIG. 5 is a front view of the present invention;
FIG. 6 is a perspective view of the displacement mechanism of the present invention;
FIG. 7 is an enlarged view taken at A of FIG. 1 according to the present invention.
In the figure: 1. a frame; 101. a work table; 102. supporting legs; 103. a support plate; 104. erecting a block; 105. a fixed block; 106. a top plate; 2. a turntable mechanism; 201. a drive motor; 202. a rotating shaft; 203. a drive gear; 204. a driven gear; 205. a connecting sleeve; 206. an inner rotating disc; 207. an outer turntable; 208. a placing seat; 3. a pore plate feeding mechanism; 301. an orifice plate adsorption mechanism; 301a, a connecting plate; 302b, a vacuum sucker; 302. a hole plate transfer mechanism; 303. an orifice plate feed mechanism; 4. an explosion-proof membrane feeding mechanism; 401. an explosion-proof membrane pushing mechanism; 401a, a stent; 401b, a material pushing cylinder; 401c, a pushing track; 401d, pushing a sliding block; 401e, a material pushing block; 401f, a feeding notch; 402. an explosion-proof diaphragm transfer mechanism; 403. an explosion-proof membrane feeding mechanism; 404. an explosion-proof membrane adsorption mechanism; 404a, a positioning plate; 404b, vacuum feeding suction cups; 5. a displacement mechanism; 501. an X-axis cylinder; 502. mounting blocks; 503. an X-axis slide rail; 504. an X-axis slider; 505. a Z-axis positioning seat; 506. a Z-axis cylinder; 507. a Z-axis slide block; 508. positioning blocks; 6. a welding mechanism; 601. a U-shaped frame; 602. a transverse plate; 603. pressing down the air cylinder; 604. a laser welding head; 7. finished product blanking mechanism; 701. blanking with double cylinders; 702. a blanking seat; 703. and (5) vacuum blanking sucking discs.
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.
Examples
Referring to fig. 1-7, the present invention provides the following technical solutions: a linear laser welding device for lithium battery caps comprises:
frame 1, frame 1 include workstation 101, and workstation 101's bottom fixed mounting has four supporting legs 102, and the inboard fixed mounting of four supporting legs 102 has a extension board 103, and workstation 101's top fixed mounting has two upright blocks 104, and two equal fixed mounting in top of founding block 104 have fixed block 105, and the equal fixed mounting in bottom of two fixed blocks 105 has roof 106.
And the turntable mechanism 2 is fixed on the rack 1 and is used for driving the cap finished product and parts thereof to rotate.
The orifice plate feed mechanism 3, orifice plate feed mechanism 3 comprises orifice plate adsorption apparatus structure 301, orifice plate transfer mechanism 302 and orifice plate feed mechanism 303 to be used for sending into the orifice plate into on carousel mechanism 2, orifice plate transfer mechanism 302 and orifice plate feed mechanism 303 are all fixed in frame 1.
The explosion-proof membrane feeding mechanism 4 is characterized in that the explosion-proof membrane feeding mechanism 4 consists of an explosion-proof membrane pushing mechanism 401, an explosion-proof membrane transfer mechanism 402, an explosion-proof membrane feeding mechanism 403 and an explosion-proof membrane adsorption mechanism 404, and is used for feeding an explosion-proof membrane into the feed turntable mechanism 2, and the explosion-proof membrane pushing mechanism 401, the explosion-proof membrane transfer mechanism 402 and the explosion-proof membrane feeding mechanism 403 are all fixed on the frame 1.
Two displacement mechanisms 5, orifice plate adsorption apparatus 301 and explosion-proof diaphragm adsorption apparatus 404 are fixed respectively on two displacement mechanisms 5, and two displacement mechanisms 5 are all fixed in frame 1 to be used for accomplishing the material loading work of orifice plate and explosion-proof diaphragm with orifice plate adsorption apparatus 301 and explosion-proof diaphragm adsorption apparatus 404 cooperation.
And the welding mechanism 6 is fixed on the frame 1 and is used for welding the explosion-proof membrane and the pore plate on the turntable mechanism 2.
And the finished product blanking mechanism 7 is fixed on the rack 1 and is used for taking down the finished product caps on the turntable mechanism 2.
In the embodiment, before the welding of the orifice plate and the explosion-proof membrane, the rubber ring and the aluminum sheet are fixed on the orifice plate after being fixed by a dispenser in the previous processing procedure, wherein the orifice plate refers to an aggregate of the orifice plate, the rubber ring and the aluminum sheet; according to the invention, through the matching of the orifice plate feeding mechanism 3, the explosion-proof diaphragm feeding mechanism 4 and the two displacement mechanisms 5, the automatic mechanical feeding work of the orifice plate and the explosion-proof diaphragm can be realized, the manual feeding operation is not needed, the feeding efficiency is improved, the labor cost is reduced, and the processing efficiency is improved; whole weldment work is consuming time weak point, directly after the welding is accomplished through finished product unloading mechanism 7 take off the block after the welding is accomplished can guarantee that whole weldment work goes on in order to welding process's efficiency has been improved on the whole.
Specifically, the turntable mechanism 2 includes a driving motor 201 and a rotating shaft 202, the driving motor 201 is fixed on the top of the supporting plate 103, one end of the rotating shaft 202 is fixed on the top of the supporting plate 103 through a bearing seat, the other end of the rotating shaft 202 penetrates through the workbench 101 and is fixedly connected with the bottom of the top plate 106 through the bearing seat, a driving gear 203 is fixedly installed on an output shaft of the driving motor 201, a driven gear 204 is fixedly installed on a portion of the rotating shaft 202 located below the workbench 101, the driving gear 203 is meshed with the driven gear 204, a connecting sleeve 205 is fixedly installed on a portion of the rotating shaft 202 located above the workbench 101, an inner turntable 206 is fixedly installed on the top of the connecting sleeve 205, an outer turntable 207 is fixedly installed on the top of the inner turntable 206.
In this embodiment, rely on outer carousel 207 to drive and place seat 208 and rotate, through the cooperation of a plurality of stations, put into according to the precedence order orifice plate and explosion-proof diaphragm and place the seat 208 in, then accomplish the back through the welding mechanism 6 welding, follow through finished product unloading mechanism 7 and remove the block from placing seat 208 in, realized whole welding process, compare with current welding on the whole, can increase substantially welded efficiency.
Specifically, the number of the placing seats 208 is eight, and the eight placing seats 208 are uniformly distributed on the top of the outer turntable 207 at equal intervals.
In this embodiment, the design of the eight placing seats 208 can ensure the reasonability of the structural design according to the invention, and ensure that the whole welding work can be carried out orderly.
Specifically, the orifice plate adsorption mechanism 301 comprises a connecting plate 301a, two vacuum suction rods 301b are fixedly mounted on the connecting plate 301a, the orifice plate transfer mechanism 302 and the orifice plate feeding mechanism 303 are both fixed at the top of the workbench 101, and the orifice plate feeding mechanism 303 is connected with a discharge track of the orifice plate vibration plate.
In this embodiment, orifice plate transfer mechanism 302 comprises the pole setting and fixes the drum on its top, and the pole setting is fixed at the top of workstation 101, and the orifice plate holding tank has been seted up at the top of drum, and orifice plate feed mechanism 303 comprises L type a piece and the orifice plate track of fixing on its top, and L type a piece is fixed at the top of workstation 101 to the orifice plate track links to each other with the ejection of compact track of orifice plate vibrations dish, and wherein the vibrations dish is current common technique.
Specifically, the explosion-proof membrane pushing mechanism 401 includes a support 401a, the support 401a is fixed at the top of the workbench 101, a pushing cylinder 401b and a pushing rail 401c are fixedly installed at the top of the support 401a, a pushing slider 401d is connected to the pushing rail 401c in a sliding manner, a piston rod of the pushing cylinder 401b is fixedly connected to the pushing slider 401d, a pushing block 401e is fixedly installed at the top of the pushing slider 401d, a feeding notch 401f is formed in the top of the pushing block 401e, the explosion-proof membrane transfer mechanism 402 and the explosion-proof membrane feeding mechanism 403 are both fixed at the top of the workbench 101, the explosion-proof membrane feeding mechanism 403 is connected to a discharging rail of the explosion-proof membrane vibrating disk, the explosion-proof membrane adsorption mechanism 404 includes a positioning plate 404a, and two vacuum feeding suction cups 404b are fixedly installed on the.
In this embodiment, the anti-explosion diaphragm transfer mechanism 402 comprises an upright rod and a cylinder fixed at the top end of the upright rod, the upright rod is fixed at the top of the workbench 101, an anti-explosion diaphragm accommodating groove is formed in the top of the cylinder, the anti-explosion diaphragm feeding mechanism 403 comprises an L-shaped support block and an anti-explosion diaphragm track fixed at the top end of the L-shaped support block, the L-shaped support block is fixed at the top of the workbench 101, and the anti-explosion diaphragm track is connected with a discharge track of the anti-explosion diaphragm vibration disc; the position of the track one end of explosion-proof diaphragm is corresponding to the position of feeding breach 401f, guarantees that explosion-proof diaphragm can enter into feeding breach 401f smoothly under the effect of explosion-proof diaphragm vibrations dish to when ejector pad 401e takes place to remove under the effect of pushing away material cylinder 401b, ejector pad 401e can shelter from the orbital one end of explosion-proof diaphragm this moment, and explosion-proof diaphragm can't come out from the explosion-proof diaphragm track this moment.
Specifically, the displacement mechanism 5 includes an X-axis cylinder 501 and an installation block 502, the X-axis cylinder 501 and the installation block 502 are both fixed on the top of the top plate 106, an X-axis slide rail 503 is fixedly installed on the installation block 502, an X-axis slide block 504 is connected on the X-axis slide rail 503 in a sliding manner, a piston rod of the X-axis cylinder 501 is fixedly connected with the X-axis slide block 504, a Z-axis positioning seat 505 is fixedly installed on the front surface of the X-axis slide block 504, two Z-axis cylinders 506 are fixedly installed inside the Z-axis positioning seat 505, a Z-axis slide block 507 is connected on the front surface of the Z-axis positioning seat 505 in a sliding manner, piston rods of the two Z-axis cylinders 506 are both fixedly connected with the bottom of the Z-axis slide block 507, positioning blocks 508 are fixedly installed on the.
In this embodiment, drive vacuum suction rod 301b and vacuum material loading sucking disc 404b through displacement mechanism 5 and accomplish the removal work to orifice plate and explosion-proof diaphragm, mechanical automation's material loading mode has efficient advantage.
Specifically, the welding mechanism 6 includes a U-shaped frame 601, the U-shaped frame 601 is fixed to the top of the worktable 101, a transverse plate 602 is fixedly installed on the inner side of the U-shaped frame 601, a down-pressing cylinder 603 is fixedly installed on the top of the inner wall of the U-shaped frame 601, a laser welding head 604 is fixedly installed on a piston rod of the down-pressing cylinder 603, a slide cylinder is embedded in the transverse plate 602, and the laser welding head 604 is slidably connected with the slide cylinder.
In the embodiment, the laser workpiece used in the laser welding of the lithium battery cap is the same as that used in the laser welding of the existing lithium battery cap, and the welding work can be completed quickly.
Specifically, the finished product blanking mechanism 7 includes a blanking double cylinder 701, the blanking double cylinder 701 is fixed at the bottom of the top plate 106, two piston rods of the blanking double cylinder 701 are fixedly provided with a blanking seat 702, and the blanking seat 702 is fixedly provided with a vacuum blanking suction cup 703.
In this embodiment, a finished product collecting frame may be placed on the workbench 101, and the caps removed by the finished product discharging mechanism 7 may be directly placed into the finished product collecting frame for collection.
A welding method of a linear laser welding device for a lithium battery cap comprises the following steps:
1) rotating: starting the driving motor 201 to drive the driving gear 203 to rotate, and at the moment, rotating the driven gear 204 engaged with the driving gear 203, so as to drive the rotating shaft 202 to rotate, and drive the inner rotating disc 206 and the outer rotating disc 207 to rotate in the same way, and the eight placing seats 208 on the outer rotating disc 207 start to rotate;
2) loading a pore plate: when the eight placing seats 208 in step 1) rotate, the orifice plate vibration disc sends an orifice plate inside the orifice plate vibration disc into the orifice plate feeding mechanism 303, at this time, the displacement mechanism 5 corresponding to the orifice plate adsorption mechanism 301 starts to work, the X-axis cylinder 501 pushes the X-axis slider 504 to slide on the X-axis slide rail 503, drives the two vacuum suction rods 301b to be respectively located above the orifice plate transfer mechanism 302 and the orifice plate feeding mechanism 303, then the two Z-axis cylinders 506 drive the Z-axis slider 507 to slide and descend on the Z-axis positioning seat 505, which drives the two vacuum suction rods 301b to descend, the two vacuum suction rods 301b respectively adsorb the orifice plates on the orifice plate transfer mechanism 302 and the orifice plate feeding mechanism 303, then the two Z-axis cylinders 506 drive the Z-axis slider 507 to slide and ascend on the Z-axis positioning seat 505, meanwhile, the X-axis cylinder 501 pushes the X-axis slider 504 to reset on the X-axis slide rail 503, then the two Z-axis cylinders 506 drive the Z-axis slider 507 to, the two vacuum suction rods 301b are driven to descend, at the moment, the orifice plate on the orifice plate feeding mechanism 303 is transferred to the orifice plate transfer mechanism 302, and the orifice plate on the orifice plate transfer mechanism 302 is transferred to the inside of the placing seat 208;
3) top plate feeding: in the process of step 2), after the pore plate enters the placing seat 208, the placing seat 208 rotates to the position of the explosion-proof membrane feeding mechanism 4 along with the outer rotary disc 207, at the moment, the explosion-proof membrane vibration disc sends the explosion-proof membrane inside the explosion-proof membrane vibration disc into the explosion-proof membrane feeding mechanism 403, then the explosion-proof membrane enters the feeding notch 401f of the pushing block 401e, then the pushing cylinder 401b pushes the pushing slider 401d to slide on the pushing track 401c, so that the pushing block 401e is driven to be close to the explosion-proof membrane transfer mechanism 402, and then the principle is the same as that the pore plate enters the placing seat 208 in the step 2, at the moment, the displacement mechanism 5 is used for driving the explosion-proof membrane adsorption mechanism 404 to work, and the explosion-proof membrane is sent into the placing seat 208 with the pore plate;
4) welding: when the placing seat 208 provided with the pore plate and the explosion-proof membrane rotates to a position right below the laser welding head 604, the pressing cylinder 603 is started to drive the laser welding head 604 to descend into the placing seat 208, and then after the laser welding work is finished, the pressing cylinder 603 drives the laser welding head 604 to ascend;
5) finished product blanking: the welded finished product cap rotates to the position of the finished product blanking mechanism 7 along with the placing seat 208, the blanking double-cylinder 701 drives the blanking seat 702 to move at the moment, then the finished product cap is sucked out through the vacuum blanking sucker 703, then the blanking double-cylinder 701 drives the blanking seat 702 to move forward for a certain distance, after the finished product cap is put down through the vacuum blanking sucker 703, the blanking double-cylinder 701 drives the blanking seat 702 to reset.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a linear laser welding device of lithium cell block which characterized in that: the method comprises the following steps:
the support device comprises a rack (1), wherein the rack (1) comprises a workbench (101), four supporting legs (102) are fixedly mounted at the bottom of the workbench (101), a supporting plate (103) is fixedly mounted on the inner sides of the four supporting legs (102), two vertical blocks (104) are fixedly mounted at the top of the workbench (101), fixed blocks (105) are fixedly mounted at the tops of the two vertical blocks (104), and top plates (106) are fixedly mounted at the bottoms of the two fixed blocks (105);
the rotary table mechanism (2) is fixed on the rack (1) and is used for driving the finished cap product and parts thereof to rotate;
the device comprises a pore plate feeding mechanism (3), wherein the pore plate feeding mechanism (3) consists of a pore plate adsorption mechanism (301), a pore plate transfer mechanism (302) and a pore plate feeding mechanism (303) and is used for feeding a pore plate into a turntable mechanism (2), and the pore plate transfer mechanism (302) and the pore plate feeding mechanism (303) are fixed on a rack (1);
the anti-explosion membrane feeding mechanism (4) consists of an anti-explosion membrane pushing mechanism (401), an anti-explosion membrane transfer mechanism (402), an anti-explosion membrane feeding mechanism (403) and an anti-explosion membrane adsorption mechanism (404) and is used for feeding the anti-explosion membrane into the turntable feeding mechanism (2), and the anti-explosion membrane pushing mechanism (401), the anti-explosion membrane transfer mechanism (402) and the anti-explosion membrane feeding mechanism (403) are all fixed on the rack (1);
the two displacement mechanisms (5), the orifice plate adsorption mechanism (301) and the explosion-proof membrane adsorption mechanism (404) are respectively fixed on the two displacement mechanisms (5), and the two displacement mechanisms (5) are fixed on the rack (1) and are used for being matched with the orifice plate adsorption mechanism (301) and the explosion-proof membrane adsorption mechanism (404) to complete the feeding work of the orifice plate and the explosion-proof membrane;
the welding mechanism (6) is fixed on the rack (1) and is used for welding the explosion-proof membrane and the pore plate on the turntable mechanism (2);
and the finished product blanking mechanism (7) is fixed on the rack (1) and is used for taking down the finished product caps on the turntable mechanism (2).
2. A linear laser welding apparatus for lithium battery cap as claimed in claim 1, wherein: the turntable mechanism (2) comprises a driving motor (201) and a rotating shaft (202), the driving motor (201) is fixed at the top of the support plate (103), one end of the rotating shaft (202) is fixed at the top of the support plate (103) through a bearing seat, the other end of the rotating shaft (202) penetrates through the workbench (101) and is fixedly connected with the bottom of the top plate (106) through the bearing seat, a driving gear (203) is fixedly installed on an output shaft of the driving motor (201), a driven gear (204) is fixedly installed at a part, below the workbench (101), of the rotating shaft (202), the driving gear (203) is meshed with the driven gear (204), a connecting sleeve (205) is fixedly installed at a part, above the workbench (101), of the rotating shaft (202), an inner turntable (206) is fixedly installed at the top of the connecting sleeve (205), an outer turntable (207) is fixedly installed at the top of the inner turntable (206, the top of the outer rotating disc (207) is fixedly provided with a placing seat (208).
3. A linear laser welding apparatus for lithium battery cap as claimed in claim 2, characterized in that: the number of the placing seats (208) is eight, and the eight placing seats (208) are uniformly distributed on the top of the outer rotating disc (207) at equal intervals.
4. A linear laser welding apparatus for lithium battery cap as claimed in claim 1, wherein: the orifice plate adsorption mechanism (301) comprises a connecting plate (301a), two vacuum suction rods (301b) are fixedly mounted on the connecting plate (301a), the orifice plate transfer mechanism (302) and the orifice plate feeding mechanism (303) are both fixed at the top of the workbench (101), and the orifice plate feeding mechanism (303) is connected with a discharge track of the orifice plate vibration plate.
5. The linear laser welding apparatus for lithium battery caps as set forth in claim 4, wherein: the anti-explosion membrane pushing mechanism (401) comprises a support (401a), the support (401a) is fixed at the top of the workbench (101), a pushing cylinder (401b) and a pushing track (401c) are fixedly mounted at the top of the support (401a), a pushing slider (401d) is connected to the pushing track (401c) in a sliding manner, a piston rod of the pushing cylinder (401b) is fixedly connected with the pushing slider (401d), a pushing block (401e) is fixedly mounted at the top of the pushing slider (401d), a feeding notch (401f) is formed in the top of the pushing block (401e), an anti-explosion membrane transfer mechanism (402) and an anti-explosion membrane feeding mechanism (403) are both fixed at the top of the workbench (101), the anti-explosion membrane feeding mechanism (403) is connected with a discharging track of an anti-explosion membrane vibrating disc, and the anti-explosion membrane adsorption mechanism (404) comprises a positioning plate (404a), two vacuum feeding suckers (404b) are fixedly mounted on the positioning plate (404 a).
6. A linear laser welding apparatus for lithium battery cap as claimed in claim 1, wherein: the displacement mechanism (5) comprises an X-axis cylinder (501) and an installation block (502), the X-axis cylinder (501) and the installation block (502) are fixed at the top of the top plate (106), an X-axis slide rail (503) is fixedly installed on the installation block (502), an X-axis slide block (504) is connected onto the X-axis slide rail (503) in a sliding manner, a piston rod of the X-axis cylinder (501) is fixedly connected with the X-axis slide block (504), a Z-axis positioning seat (505) is fixedly installed on the front surface of the X-axis slide block (504), two Z-axis cylinders (506) are fixedly installed inside the Z-axis positioning seat (505), a Z-axis slide block (507) is connected on the front surface of the Z-axis positioning seat (505) in a sliding manner, the piston rods of the Z-axis cylinders (506) are fixedly connected with the bottom of the Z-axis slide block (507), and a positioning block (508) is, the connecting plate (301a) and the positioning plate (404a) are respectively fixed on the corresponding positioning blocks (508).
7. A linear laser welding apparatus for lithium battery cap as claimed in claim 1, wherein: welding mechanism (6) include U type frame (601), the top at workstation (101) is fixed in U type frame (601), the inboard fixed mounting of U type frame (601) has diaphragm (602), the top fixed mounting of U type frame (601) inner wall has down air cylinder (603), the piston rod fixed mounting of down air cylinder (603) has laser welding head (604), the inside of diaphragm (602) is inlayed and is had the slide cartridge, laser welding head (604) and slide cartridge sliding connection.
8. A linear laser welding apparatus for lithium battery cap as claimed in claim 1, wherein: finished product unloading mechanism (7) are including unloading double cylinder (701), the bottom at roof (106) is fixed in unloading double cylinder (701), two piston rod fixed mounting of unloading double cylinder (701) have unloading seat (702), fixed mounting has vacuum unloading sucking disc (703) on unloading seat (702).
9. The welding method of the linear laser welding apparatus for lithium battery caps according to any one of claims 1 to 8, wherein: the method comprises the following steps:
1) rotating: starting a driving motor (201) to drive a driving gear (203) to rotate, wherein a driven gear (204) meshed with the driving gear (203) rotates at the moment, so that a rotating shaft (202) is driven to rotate, an inner rotary disc (206) and an outer rotary disc (207) are driven to rotate in the same way, and eight placing seats (208) on the outer rotary disc (207) start to rotate;
2) loading a pore plate: when the eight placing seats (208) rotate in the step 1), the orifice plate vibration disc sends the orifice plate inside the orifice plate vibration disc into the orifice plate feeding mechanism (303), at the moment, the displacement mechanism (5) corresponding to the orifice plate adsorption mechanism (301) starts to work, the X-axis cylinder (501) pushes the X-axis slider (504) to slide on the X-axis slide rail (503) to drive the two vacuum suction rods (301b) to be respectively positioned above the orifice plate transfer mechanism (302) and the orifice plate feeding mechanism (303), then the two Z-axis cylinders (506) drive the Z-axis slider (507) to slide on the Z-axis positioning seat (505) to descend, so that the two vacuum suction rods (301b) are driven to descend, the two vacuum suction rods (301b) respectively adsorb the orifice plates on the orifice plate transfer mechanism (302) and the orifice plate feeding mechanism (303), and then the two Z-axis cylinders (506) drive the Z-axis slider (507) to slide on the Z-axis positioning seat (505) to ascend, meanwhile, the X-axis cylinder (501) pushes the X-axis sliding block (504) to reset on the X-axis sliding rail (503), then the two Z-axis cylinders (506) drive the Z-axis sliding block (507) to slide and descend on the Z-axis positioning seat (505), so that the two vacuum suction rods (301b) are driven to descend, at the moment, the orifice plate on the orifice plate feeding mechanism (303) is transferred to the orifice plate transfer mechanism (302), and the orifice plate on the orifice plate transfer mechanism (302) is transferred to the inside of the placing seat (208);
3) top plate feeding: in the process of the step 2), after the pore plate enters the placing seat (208), the placing seat (208) rotates to the position of the explosion-proof membrane feeding mechanism (4) along with the outer rotary disc (207), the explosion-proof membrane vibration disc sends the explosion-proof membrane inside the placing seat into the explosion-proof membrane feeding mechanism (403), then the explosion-proof membrane enters a feeding notch (401f) of the pushing block (401e), then the pushing cylinder (401b) pushes the pushing slider (401d) to slide on the pushing track (401c), so that the pushing block (401e) is driven to be close to the explosion-proof membrane transfer mechanism (402), the principle is the same as that the pore plate enters the placing seat (208) in the step 2), at the moment, the displacement mechanism (5) is used for driving the explosion-proof membrane adsorption mechanism (404) to work, and the explosion-proof membrane is sent into the placing seat (208) with the pore plate;
4) welding: when the placing seat (208) provided with the pore plate and the explosion-proof membrane rotates to a position right below the laser welding head (604), the pressing cylinder (603) is started to drive the laser welding head (604) to descend into the placing seat (208), and then after the laser welding work is finished, the pressing cylinder (603) drives the laser welding head (604) to ascend;
5) blanking of finished products: the finished product block after welding rotates to the position of a finished product blanking mechanism (7) along with a placing seat (208), the blanking double-cylinder (701) drives the blanking seat (702) to move, then the finished product block is sucked out through a vacuum blanking sucker (703), then the blanking double-cylinder (701) drives the blanking seat (702) to advance for a distance, the vacuum blanking sucker (703) puts down the finished product block, and the blanking double-cylinder (701) drives the blanking seat (702) to reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911005534.2A CN110640318A (en) | 2019-10-22 | 2019-10-22 | Linear laser welding device and welding method for lithium battery cap |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911005534.2A CN110640318A (en) | 2019-10-22 | 2019-10-22 | Linear laser welding device and welding method for lithium battery cap |
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| CN110640318A true CN110640318A (en) | 2020-01-03 |
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| CN201911005534.2A Pending CN110640318A (en) | 2019-10-22 | 2019-10-22 | Linear laser welding device and welding method for lithium battery cap |
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Application publication date: 20200103 |