CN106475682A - A kind of cell sealing laser welding apparatus - Google Patents
A kind of cell sealing laser welding apparatus Download PDFInfo
- Publication number
- CN106475682A CN106475682A CN201610943749.9A CN201610943749A CN106475682A CN 106475682 A CN106475682 A CN 106475682A CN 201610943749 A CN201610943749 A CN 201610943749A CN 106475682 A CN106475682 A CN 106475682A
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- China
- Prior art keywords
- rotating disk
- protective cover
- plate
- laser welding
- cylinder
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Classifications
-
- 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
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/03—Observing, e.g. monitoring, the workpiece
- B23K26/032—Observing, e.g. monitoring, the workpiece using optical means
-
- 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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/142—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
-
- 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 to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
A kind of cell sealing laser welding apparatus, including workbench, rotary disc assembly, conveying robot mechanism, compression height finder structure, protective cover placement mechanism, laser welding mechanism and protective cover feel trim actuator, rotary disc assembly includes rotating disk with dispenser；Rotating disk upper measurement is uniformly provided with six stations successively around the rotating disk center of circle, and the angle being connected between two stations is 60 degree, and each station is equipped with a machinery positioning fixture；A station on the table top that conveying robot mechanism, compression height finder structure, protective cover placement mechanism, laser welding mechanism and protective cover feel trim actuator all edges around rotating disk the direction of rotation along rotating disk are sequentially arranged at workbench, on each corresponding rotating disk；Laser welding mechanism includes installing support plate, module installation riser, CCD vision localization recognizer component, linear module and laser instrument, support plate is installed and is provided with air knife support in the both sides positioned at laser instrument, air knife support front end sets up angle air knife, and the present invention improves battery cap welding efficiency and qualification rate.
Description
Technical field
The present invention relates to laser galvanometer technical field of welding equipment is and in particular to a kind of cell sealing laser welding apparatus.
Background technology
The solder technology that battery manufacturing process is related to is quite varied, such as supersonic welding, electric resistance welding and laser welding etc..Welding
Method and the reasonable selection of technique, directly affect production cost, the reliability of quality and the safety using of battery.Laser Welding
Connect as one very important process procedure of battery production, to battery with two side terminals, stability and safety have very big shadow
Ring, battery laser weld part position is many, technology difficulty is big, higher to welding process requirement.
The lithium battery top cap laser welding apparatus of prior art, and its machinery positioning fixture keeps solid for both sides positioning bottom
Determine working method, because each battery has certain difference in height in real process, if bottom keeps fixing, top cover is high
Degree just has certain difference in height accordingly, and the presence of this difference in height easily makes battery existence position in top cover laser welding
Degree deviation leads to that product differentiation degree is big, welding stability is poor, seriously makes to lead to welding product to be scrapped.
In addition, existing equipment uses to change welding by way of triaxial coordinate moving lens in laser welding
Path, and the present invention is welded using more advanced galvanometer, laser lens need not move, and laser passes through to change lens angle in galvanometer
Change light path, adopt telecentric lens to ensure that during welding, spot size is consistent simultaneously, will not lead because of the Angulation changes that laser projects
Spot size is caused to differ.
Content of the invention
The present invention is in order to solve the problems referred to above of prior art presence, there is provided a kind of multi-functional, high efficiency and height are qualified
The cell sealing laser welding apparatus of rate.
Realize above-mentioned purpose, the invention provides a kind of cell sealing laser welding apparatus, including workbench, rotating disk group
Part, conveying robot mechanism, compression height finder structure, protective cover placement mechanism, laser welding mechanism and protective cover feel trim actuator, institute
State rotary disc assembly to include the rotating disk that is arranged on table surface and be used for driving rotating disk to determine angular turn under being arranged on rotating disk
Dispenser；Described rotating disk upper measurement is uniformly provided with six stations successively around the rotating disk center of circle, and the angle being connected between two stations is 60
Degree, each station is equipped with a machinery positioning fixture for placing battery；Described conveying robot mechanism, compression survey high
Mechanism, protective cover placement mechanism, laser welding mechanism and protective cover feel trim actuator all edges around rotating disk the rotation along rotating disk
Turn direction to be sequentially arranged on the table top of workbench, and a station on each corresponding rotating disk；Described laser welding mechanism includes
Support plate, module installation riser, CCD vision localization recognizer component, linear module and laser instrument are installed, described installation support plate is arranged on
On work top, described module installation riser is arranged on installation support plate, and it is vertical that described linear module is fixedly mounted on module installation
The facade of plate, described laser instrument is fixed on the liftable mobile installing plate of linear module, and described installation support plate is positioned at sharp
The both sides of light device are provided with air knife support, and the front end of described air knife support sets up angle air knife, described CCD vision localization identification group
Part is fixed on the side of air knife support.
As the preferred technical solution of the present invention, described CCD vision localization recognizer component include camera heights adjusting bracket,
CCD camera, annular light source, described CCD camera is fixed on camera heights adjusting bracket top, and described annular light source is fixed on camera
The middle part of height adjustment bracket, and the camera lens of CCD camera passes through the circular hole realization of annular light source to the electricity in machinery positioning fixture
Pond is positioned.
As the preferred technical solution of the present invention, the camera lens of described laser instrument is telecentric lens, described laser instrument one side
Equipped with angular transducer.
As the preferred technical solution of the present invention, on described workbench, feeding station and compression are surveyed between high station, rotate
Plate edge is provided with 6 photoelectric sensors, and between each sensor, angle is 5 degree；On rotating disk with any one machinery positioning fixture just
Lower section be starting point, rotating disk lower edge around the rotating disk center of circle every 65 degree equipped with a sensor chip, rotating disk often rotates one
Station can differentiate grippers.
As the preferred technical solution of the present invention, described rotary disc assembly also includes conducting slip ring, three phase electric machine, the big plate of installation
And DOCK LEVELER, described conduction is sliding to be coaxially connected with rotating disk and is arranged on rotating disk so that being contained in rotating disk when rotating disk rotates
On wire will not because rotating disk rotate and twist together, described dispenser is arranged on DOCK LEVELER by the installing plate of dispenser
On side, three phase electric machine is arranged on the opposite side on DOCK LEVELER, the synchronization of described three phase electric machine by motor mounting plate
It is connected with Timing Belt on belt wheel and the synchronous pulley of dispenser, described DOCK LEVELER is arranged on the big plate of installation, and height is adjusted
Section plate is provided with regulating block connecting plate with installing big plate.
As the preferred technical solution of the present invention, described protective cover placement mechanism include supporting vertical plate, pusher cylinder, two sets
Linear slide rail, protective cover installation riser, T-shaped contiguous block, upper push cylinder, floating junction, support fixed plate, gas pawl, stop screw
And buffer bar, described protective cover installation riser is arranged in supporting vertical plate, and described linear slide rail is arranged on protective cover installation riser
Upside, described T-shaped contiguous block is arranged on below the base plate of protective cover installation riser, and described pusher cylinder set is connected in T-shaped company
Connect on block and be arranged on the downside of pusher cylinder, the middle hollow out of described mounting base has a coffin, as cylinder end
T-shaped contiguous block activity space；Described upper push cylinder is arranged on the side of supporting vertical plate, upper push cylinder pass through floating junction and
T-shaped contiguous block connects, and T-shaped contiguous block connects the short brink lateral surface of supporting vertical plate；Described gas pawl is fixed on inside long side.
As the preferred technical solution of the present invention, described conveying robot mechanism is by mechanical hand mounting seat, four shaft mechanicals
Handss, Pneumatic clamping jaw, sensor, mounting flange and claw installing plate composition, described four axis robot are arranged on mechanical hand and install bottom
On seat, described Pneumatic clamping jaw is arranged on four axis robot ends and is connected with claw installing plate by mounting flange, described installation
The flange top end circular shaft of screw lock four axis robot, described mounting flange lower end is spirally connected claw installing plate, described card
Pawl installing plate is spirally connected with the cylinder of Pneumatic clamping jaw.
The cell sealing laser welding apparatus of the present invention can reach following beneficial effect：
1）The laser welding mechanism of the present invention is replaced existing using the laser galvanometer welding being combined with CCD camera by laser instrument
Three axle moving lens welding, can make welding mechanism summary, high efficiency, directly change light by the laser welding mechanism of the present invention
Road is welded than by coordinate axess moving lens, and speed of welding is faster.
2）For hinge structure of the present invention, rotating disk increases and devises a compression height measuring device, compression is surveyed high
Device cooperative mechanical positioning fixture, solve and there is the product one leading to because of face of weld difference in height in existing laser welding
The problems such as cause property is poor, welding stability is poor.
3）Improve the blowning installation of laser welding for laser welding mechanism hinge structure of the present invention, relatively pass
System point hydraulic fluid port is blown, and all standing angle air knife air blowing of the present invention is more suitable for distance wide scope laser and continuously welds, can be effectively anti-
Only welding oxidation, at a high speed clean face of weld, improve production efficiency.
4）For hinge structure of the present invention, eliminate protective cover conveying reflux, in each machinery positioning fixture
On be placed with a protective cover, simplify equipment mechanism, decrease and postpone and fault rate because of the protective cover beat that causes of backflow.
Brief description
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
The structural representation of the example that Fig. 1 provides for cell sealing laser welding apparatus of the present invention；
Fig. 2 is the top view in Fig. 1 of the present invention；
In figure：1st, workbench, 2, machinery positioning fixture, 3, conveying robot mechanism, 4, compression height finder structure, 5, protective cover places
Mechanism, 6, laser welding mechanism, 7, protective cover feel trim actuator；
Fig. 3 is the structure chart of the conveying robot mechanism of the present invention；
In figure：301st, mechanical hand mounting seat, 302, four axis robot, 303, mounting flange, 304, claw sensor, 305, gas
Dynamic jaw, 306, battery, 307, claw installing plate；
Fig. 4 is the structure chart of the machinery positioning fixture of the present invention；
In figure：401st, fixture guard shield, 402, protective cover, 403, minor face air cylinder support, 404, minor face cylinder, 405, long side cylinder,
406th, push rod contiguous block, 407, long side push rod, 408, long side air cylinder support, 409, linear bearing, 410, clamp base, 411, long
Side guiding trestle, 412, long side pressing plate.
Fig. 5 is the structure chart of the protective cover placement mechanism of the present invention；
In figure：501st, support fixed plate, 502, gas pawl, 503, buffer bar, 504, supporting vertical plate, 505, pusher cylinder, 506, on
Push cylinder, 507, protective cover installation riser, 508, linear slide rail；
Fig. 6-1 is the structure chart of the laser welding mechanism of the present invention；
Fig. 6-2 is the side view of the laser welding mechanism of the present invention；
In figure:601st, laser instrument, 602, air knife support, 603, angle air knife, 604, annular light source, 605, support plate is installed, 606,
Camera heights adjusting bracket, 607, module mounting base, 608, CCD camera, 609, module installation riser, 610, linear module,
611st, dust excluding hood；
Fig. 7 is the structure chart of the rotary disc assembly of the present invention；
In figure：701st, conducting slip ring, 702, rotating disk, 703, Timing Belt, 704, three phase electric machine, 705, DOCK LEVELER, 706, peace
Fill big plate, 707, regulating block connecting plate, 708, dispenser；
Fig. 8 is the structure chart of the compression height finder structure of the present invention；
In figure：801st, compression height finder structure linear slide rail, 802, servomotor, 803, survey high support pressing plate, 804, battery plate,
805th, distance measurement sensor, 806, compression height finder structure buffer bar, 807, survey high installation riser, 808, sensor release gas
Cylinder, 809, ball screw assembly,.
The object of the invention is realized, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described further.Drawn in preferred embodiment
As " on ", D score, "left", "right", the term such as " middle " and " ", only understanding for ease of narration, and be not used to limit
The enforceable scope of the present invention, being altered or modified of its relativeness, under no essence change technology contents, when being also considered as this
Bright enforceable category.
The structural representation of the example that Fig. 1 provides for cell sealing laser welding apparatus of the present invention, Fig. 2 is figure of the present invention
Top view in 1, Fig. 6-1 is the structure chart of the laser welding mechanism of the present invention, and Fig. 6-2 is the laser welding mechanism of the present invention
Side view.
As shown in Figure 1, Figure 2, shown in Fig. 6-1 and 6-2, battery 306 sealing laser welding apparatus include workbench 1, rotary disc assembly,
Conveying robot mechanism 3, compression height finder structure 4, protective cover placement mechanism 5, laser welding mechanism 6 and protective cover feel trim actuator 7,
Described rotary disc assembly includes the rotating disk 702 being arranged on workbench 1 table top and is arranged on and is used for driving rotating disk under rotating disk 702
702 dispensers 708 determining angular turn；Described rotating disk 702 upper measurement is uniformly provided with six stations, phase successively around rotating disk 702 center of circle
Even the angle between two stations is 60 degree, and each station is equipped with a machinery positioning fixture 2 for placing battery 306；
Described conveying robot mechanism 3, compression height finder structure 4, protective cover placement mechanism 5, laser welding mechanism 6 and protective cover unloader
All around the edge of rotating disk 702 and the direction of rotation along rotating disk 702 is sequentially arranged on the table top of workbench 1 structure 7, and each correspondence
A station on rotating disk 702；Described laser welding mechanism 6 includes installing support plate 605, module installation riser 609, CCD vision
Fixation and recognition assembly, linear module plate 610 and laser instrument 601, described installation support plate 605 is arranged on workbench 1 face, described mould
Group installation riser 609 is arranged on installation support plate 605, and described linear module plate 610 is fixedly mounted on module installation riser 609
Facade, described laser instrument 601 is fixed on the liftable mobile installing plate of linear module plate 610, and described installation support plate 605 exists
It is provided with air knife support 602 positioned at the both sides of laser instrument 601, the front end of described air knife support 602 sets up angle air knife 603, institute
State air knife support 602 and be mounted below dust excluding hood 611, described CCD vision localization recognizer component is fixed on the side of air knife support 602
Face.
In being embodied as, described CCD vision localization recognizer component include camera heights adjusting bracket 606, CCD camera 608,
Annular light source 604, described CCD camera 608 is fixed on camera heights adjusting bracket 606 top, and described annular light source 604 is fixed on
The middle part of camera heights adjusting bracket 606, and the camera lens of CCD camera 608 is fixed to machinery by the circular hole realization of annular light source 604
Battery 306 in position fixture 2 is positioned.The camera lens of described laser instrument 601 is telecentric lens, described laser instrument 601 one side
Equipped with angular transducer.
The effect of the CCD vision localization recognizer component of laser welding mechanism 6 is battery 306 to be positioned, by software
Battery 306 top cover image is carried out with vision matching, coupling difference is calculated by software, calculates real image and sets initial point
Between difference, according to difference in laser welding, difference compensation is carried out to it by galvanometer welding system, its camera heights adjust
Section assembly is to facilitate camera focusing.The effect of laser instrument 601 is to provide laser energy and change welding light with its internal galvanometer
Road, the effect of the telecentric lens of laser instrument 601 is to ensure that weld pads diameter is stable.The effect of linear module plate 610 is
Lifting laser instrument 601, the focusing realizing welding laser is processed.The effect of photoelectric sensor and its support is in detection mechanical clamp
Whether there is material.
Fig. 7 is the structure chart of the rotary disc assembly of the present invention, as shown in fig. 7, described rotary disc assembly also includes conducting slip ring
701, three phase electric machine 704, the big plate 706 of installation and DOCK LEVELER 705, in being embodied as, described conductive cunning is coaxial with rotating disk 702
It is connected and is arranged on rotating disk 702 so that the wire being contained on rotating disk 702 when rotating disk 702 rotates will not rotate because of rotating disk 702
And twisting together, described dispenser 708 is arranged on the side on DOCK LEVELER 705 by the installing plate of dispenser 708, three-phase
Motor 704 is arranged on the opposite side on DOCK LEVELER 705, the Timing Belt 703 of described three phase electric machine 704 by motor mounting plate
It is connected with Timing Belt 703, described DOCK LEVELER 705 is arranged on the big plate of installation on wheel and Timing Belt 703 wheel of dispenser 708
On 706, and DOCK LEVELER 705 is provided with regulating block connecting plate 707 with installing big plate 706.
On big plate in rotary disc assembly, tensioning regulating block, height adjusting blocks, the effect of regulating block contiguous block are to adjust
The height of all parts of DOCK LEVELER 705 and its top；The effect of three phase electric machine 704 be by Timing Belt 703 be dispenser
708 offer torques；The effect of dispenser 708 is to drive rotating disk 702 to determine angular turn, makes each station cycle on rotating disk 702
Work.
Fig. 5 is the structure chart of the protective cover placement mechanism 5 of the present invention, as shown in figure 5, described protective cover placement mechanism 5 wraps
Include supporting vertical plate 504,505, two sets of linear slide rails 508 of pusher cylinder, protective cover installation riser 507, T-shaped contiguous block, above push away gas
Cylinder 506, floating junction, support fixed plate 501, gas pawl 502, stop screw and buffer bar 503, described protective cover installation riser
507 are arranged in supporting vertical plate 504, and described linear slide rail 508 is arranged on the upside of protective cover installation riser 507, described T-shaped company
Connect block and be arranged on below the base plate of protective cover installation riser 507,505 sets of described pusher cylinder is connected on T-shaped contiguous block and pacifies
It is contained on the downside of pusher cylinder 505, the middle hollow out of described mounting base has a coffin, as the T-shaped company of cylinder end
Connect the activity space of block；Described upper push cylinder 506 is arranged on the side of supporting vertical plate 504, and upper push cylinder 506 passes through floating junction
Connect with T-shaped contiguous block, and T-shaped contiguous block connects the short brink lateral surface of supporting vertical plate 504；Described gas pawl 502 is fixed on length
Inside avris.The effect of pusher cylinder 505 is to release installation riser and thereon by T-shaped contiguous block and linear slide rail 508 effect
Portion's installing component, the effect of upper push cylinder 506 be coordinate T-shaped contiguous block and support fixed plate 501 realize gas pawl 502 on move down
Dynamic, gas pawl 502 is realized the crawl of protective cover 402 and is unclasped.
Fig. 3 be the present invention conveying robot mechanism 3 structure chart, as shown in figure 3, described conveying robot mechanism 3 by
Manipulator base 301, four axis robot 302, Pneumatic clamping jaw 305, claw sensor 304, mounting flange 303 and claw installing plate
307 compositions, described four axis robot 302 are arranged in manipulator base 301, and described Pneumatic clamping jaw 305 is arranged on four shaft mechanicals
Handss 302 end is simultaneously connected with claw installing plate 307 by mounting flange 303, described mounting flange 303 top screw lock four
The end circular shaft of axis robot 302, described mounting flange 303 lower end is spirally connected claw installing plate 307, described claw installing plate 307
It is spirally connected with the cylinder of Pneumatic clamping jaw 305.Wherein, the effect of manipulator base 301 has been to support fixing and padded four axis robot
302 effect；Four axis robot 302 play the effect of movement and lifting air-actuated jaw；Mounting flange 303 and claw installing plate 307
Act the effect connecting four axis robot 302 and Pneumatic clamping jaw 305；Pneumatic clamping jaw 305 acts the effect clamping and unclasping battery 306.
Fig. 4 is the structure chart of the machinery positioning fixture 2 of the present invention, as shown in figure 4, machinery positioning fixture 2 is by clamp base
410th, fixture guard shield 401, long side holds down assembly, minor face holds down assembly, height adjustment assembly and protective cover lay assembly portion packet
Become, wherein base side face has the adjacent rib in both sides, long side clamp assembly is arranged close to rotating disk 702 side, the clamping of long side
Assembly include long in air cylinder support 408, long while guiding trestle 411, long side cylinder 405, linear bearing 409, push rod contiguous block
406th, long in push rod 407, long while pressing plate 412, red copper side, long side air cylinder support 408 is fixed on apart from clamp base 410 1 positioning
Put place, long side push rod 407 two ends have screwed hole, and one end is spirally connected with push rod contiguous block 406, the other end passes through linear bearing 409
It is spirally connected with long side pressing plate 412, long air cylinder support 408 top surface when cylinder 405 is screwed onto long, cylinder push-rod end pushing block and long side
Pressing plate 412 is spirally connected；Minor face holds down assembly including minor face air cylinder support 403, minor face cylinder 404, minor face pressing plate, copper sheet composition,
Minor face air cylinder support 403 short brink is screwed onto in base side boards, and long side is spirally connected minor face cylinder 404, minor face cylinder 404 push rod end
End pushing block is spirally connected with minor face pressing plate；Height adjustment assembly is embedded in inside clamp base 410, including battery 306 cushion block, battery 306
Tray, extension spring, stage clip and linear slide rail 508 form, and battery 306 tray is mountain font, three through in the middle of clamp base 410
Be spirally connected mountain font bottom transverse slat and linear slide rail 508 slide block simultaneously of groove and battery 306 cushion block is spirally connected, and three compression spring sleeve are in fixture
Jack-up battery 306 tray on three screws of pedestal 410 bottom, extension spring is hung in clamp base 410 by breach screw one end
Between plate, one end hangs over battery 306 tray side, and battery 306 tray is respectively arranged with gag lever post up and down；Protective cover is laid assembly and is included preventing
Protecting cover 402 and protective cover place block, and protective cover is placed block and is screwed onto the middle back of clamp base 410, and protective cover is placed on block
End has the most advanced and sophisticated projection can be with protective cover 402 fit；Fixture guard shield 401 is screwed onto clamp base 410 dorsal part.Wherein, clamp base
410 support positioning actions, 401 protection dustproof effect of fixture guard shield, long side has held down assembly and has compressed battery 306 long side work
Held down assembly battery 306 minor face pressuring action with, minor face, the height adjustment assembly cooperation compression adjustable batteries of height finder structure 4
306 top cover solders side are fixed value relative to the height in workbench 1 face, and protective cover is laid assembly and acted the effect depositing protective cover 402.
Fig. 8 is the structure chart of the compression height finder structure 4 of the present invention, as shown in figure 8, compression height finder structure 4 is installed by surveying height
Riser 807, battery plate 804, survey high support pressing plate 803, distance measurement sensor 805, sensor are released cylinder 808, are surveyed height
Air cylinder board, ball screw assembly, 809, servomotor 802, T-shaped contiguous block, floating junction cylinder mounting plate, gag lever post, compression are surveyed high
The part composition such as push cylinder on mechanism's buffer bar 806, compression height finder structure.Their position relationship is that servomotor 802 passes through
Shaft coupling is connected with ball screw assembly, 809, and ball screw assembly, 809 is screwed onto high installation riser 807 top of survey；Survey high air cylinder board spiral shell
It is connected on the slide block of ball screw assembly, 809, the other end is spirally connected cylinder body, cylinder is arranged on below the high air cylinder board of survey；Cylinder end
End is spirally connected with mounting frame for sensor, and distance measurement sensor 805 is screwed onto on mounting bracket side plate；Survey high support pressing plate 803
For L-type, its short brink passes through compression height finder structure linear slide rail 801 and is connected with surveying high installation riser 807, surveys height and supports pressing plate
803 are spirally connected with compression height finder structure linear slide rail 801 slide block, compress height finder structure linear slide rail 801 and survey high installation riser 807
It is spirally connected, survey high support outside pressing plate 803 short brink by T-shaped contiguous block and floating junction cylinder mounting plate and compression height finder structure
Upper push cylinder connects, and on compression height finder structure, push cylinder is screwed onto on the downside of floating junction cylinder mounting plate, and floating junction cylinder is pacified
There is screwed hole dress plate side side, by soket head cap screw, floating junction installing plate and the high installation riser 807 of survey is spirally connected；Minor face
Side-lower is equipped with gag lever post and compression height finder structure buffer bar 806；Survey high support and be bolted with electricity below pressing plate 803 long side edge
Pond pressing plate 804.Wherein, the effect of installation riser has been installation, positioning, supporting role；Distance measurement sensor 805 passes through sensing
Device mounting bracket, the high air cylinder board of survey, sensor are released cylinder 808 and are connected with ball screw assembly, 809, and servomotor 802 drives rolling
Secondary 809 leading screws of ballscrew rotate, and slide block moves immediately, because bindiny mechanism is contained on slide block, therefore distance measurement sensor 805 also with
Movement, sensor is released cylinder 808 and distance measurement sensor 805 can be released distance to a declared goal, releases cylinder and ball wire
Thick stick pair 809 is achieved that distance surveys 4 points of position measurements of sensor（It should be noted that surveying high support pressing plate 803 and battery pressure
There are four grooves that sensor light can be made to pass through on plate 804 and support pressing plate and battery plate 804）；Compression height finder structure above pushes away
The effect of cylinder is that cooperation compression height finder structure linear slide rail 801 realizes moving up and down of pressing plate.
In order to allow those skilled in the art to more fully understand and realize technical scheme, this enforcement is explained in detail below
The operation principle of example.
Chucking position determines principle：
On workbench 1, feeding station and compression are surveyed between high station, are provided with 6 photoelectric sensors around rotating disk 702 edge, each biography
Between sensor, angle is 5 degree；With immediately below any one machinery positioning fixture 2 as starting point on rotating disk 702, rotating disk 702 lower edge
Around rotating disk 702 center of circle every 65 degree equipped with a sensor chip.Rotating disk 702 often rotates a station
The sensor sequence number that receives of uniting analogizes chucking position differentiating grippers.
Dispenser 708 operation principle in rotary disc assembly：
Adjust dispenser 708 setting height(from bottom) when, somewhat unclamp wedge and lower wedge on height adjusting blocks screw pass through under
The adjusting screw of wedge sidepiece moves left and right, and dispenser 708 setting height(from bottom) also can be adjusted therewith, and lower wedge is adjusted to properly
Height tighten screw again.
Rotating disk 702 rotation work process, when needing rotating disk 702 to rotate, system can be led to controlled motor power supply by PLC
One signal of telecommunication of disconnected relay, relay obtains electric rear motor energising and rotates, and machine shaft is driven moment of torsion by Timing Belt 703
It is driven to dispenser 708, after dispenser 708 will be driven 90 degree of break-in by internal structure, dispenser 708 rotating shaft band rotating disk 702
Rotate.
The dynamic work flow of cell sealing laser welding apparatus is as follows：
The first step, conveying robot mechanism 3 feeding
After equipment starts, motor rotates and drives dispenser operating.During feeding, conveying robot goes to automatic feed bin or multichannel simultaneously
Above row conveying mechanism, four axis robot 302 band pawl 502 of taking offence rotates to specified angle, unclamps Pneumatic clamping jaw 305, four axle machines
Tool handss 302 move on on preprocessing battery 306, gas pawl 502 clamping gripping preprocessing battery 306, and four axis robot 302 rise, and
It is turned back to above feeding station, four axis robot 302 decline, unclamps Pneumatic clamping jaw 305, it is fixed that preprocessing battery 306 falls into machinery
In position fixture 2, Pneumatic clamping jaw 305 rises awaits orders, and now feeding completes.
Second step, compression height finder structure 4 work
After the completion of feeding, gas pawl 502 rises awaits orders and can illustrate that feeding completes, system receives signal, treat to one signal of system
After the completion of other each station work, rotating disk 702 goes to next station.On this station, the initial cylinder push-rod of push cylinder 506 shifts top onto,
System gives one signal of three two three-way electromagnetic valves connecting upper 506 liang of QI KOU of push cylinder, and air inlet/outlet changes, upper push cylinder 506
Pull down to bottom, battery plate 804 pushes, battery 306 top cover surface is overwhelmed fixed position, machinery positioning folder during pushing
Tool 2 is because play the role of extension spring and stage clip can leave to battery 306 and push surplus, but battery 306 will not be allowed to fall down simultaneously.Pressure
After plate is depressed into fixed position, long minor face pressing plate compression battery 306 side of machinery positioning fixture 2 allows it to fix.Sensor pushes away
Go out cylinder 808 distance measurement sensor 805 is released specified location to start to measure first point of height, be measured rear ball wire
Thick stick secondary 809 drives the mobile fixed ranges of sensors to next measurement point, so repeats to survey four times completing measurement, system is to measurement
Data is judged, judges whether the pre- face of weld of top cover reaches solder side requirement for height, is, carries out subsequent work stations, otherwise workpiece enters
Row compression positioning again, is repeated 2 times undesirable, is considered as defective work, directly skip other operations and pass through to discharge station
Conveying robot captures to substandard product area.After survey height is qualified, measurement sensor returns to the first measurement point, and is driven by cylinder
Push back, subsequently go up push cylinder 506 and promote pressing plate to rise, so far compression is surveyed high operation and completed.
3rd step, protective cover placement mechanism 5 work
After the completion of surveying high operation, rotating disk 702 goes to next station protective cover 402 and places.Original state gas pawl 502 is fixed in L-type
Near short brink, after battery 306 reaches station, upper push cylinder 506 will support that fixed plate 501 is drop-down to gripper shoe, and gas pawl 502 is therewith
Move down, gas pawl 502 is in releasing orientation, cylinder pulls down to bottom seasonal epidemic pathogens pawl 502 and just can grip protective cover 402, subsequent gas pawl 502
Clamping protective cover 402, upper push cylinder 506 above pushes away, and gas pawl 502 rises immediately, and to after top, the pusher cylinder 505 of mounting base is by gas
Pawl 502 is extrapolated, and shifts onto above battery 306 top cover, then goes up the drop-down 502 times general who has surrendered's protective covers 402 of gas pawl of push cylinder 506 and is put into electricity
Gas pawl 502 is unclamped, gas pawl 502 returns to initial position after on the top cover of pond 306.Place operation to this protective cover 402 to complete.
4th step, laser welding mechanism 6 work
After the completion of protective cover 402 is placed, rotating disk 702 goes to laser welding station, and now laser focal and CCD camera 608 are focused
All manually mix up, need not move again.CCD carries out, to product, shooting of taking pictures, by the photo photographing and pre-set mark
Quasi- welding position picture is compared, and is with reference to comparison point, calculating difference with top cover bottom left vertex, and difference is compensated galvanometer
In welding, angle air knife 603 starts top cover is blown, and blows out as the inertia shielding gas such as nitrogen, and gas is formed with certain
It is whole that the wide mouth air curtain of pattern draft can cover battery 306 top cover.Noble gases blow to behind top cover surface through reflexing to dust excluding hood
In suction range, dust suction is discharged.Laser instrument 601 starts to carry out galvanometer laser welding to battery 306 top cover, welds light path during welding
For setting value, each welding all can carry out foundation setting light path to welding light path and vision localization difference carries out light path and again sets
Fixed.When carrying out the welding of laser galvanometer, change the angle of two rotation eyeglasses in galvanometer by corresponding control system, thus changing
The position that laser projects and direction just can change the location point of welding, and laser head adopts telecentric lens it is prevented that sharp simultaneously
The weld pads concordance ensureing welding of different sizes that light causes because exit positions direction is different.
5th step, protective cover feel trim actuator 7 work, and the step that it is placed with protective cover 402 is contrary, and here is just no longer one by one
Description.
6th step, first step conveying robot mechanism 3 discharging, step phase consistent with conveying robot mechanism 3 feeding principle
Instead, here just also no longer describes one by one.
Although the foregoing describing the specific embodiment of the present invention, those skilled in the art should be appreciated that this
It is merely illustrative of, various changes or modifications can be made to present embodiment, the principle without departing from the present invention and essence,
Protection scope of the present invention is only limited by the claims that follow.
Claims (7)
1. a kind of cell sealing laser welding apparatus it is characterised in that include workbench, rotary disc assembly, conveying robot mechanism,
Compression height finder structure, protective cover placement mechanism, laser welding mechanism and protective cover feel trim actuator, described rotary disc assembly includes arranging
It is used for the dispenser driving rotating disk to determine angular turn in the rotating disk on table surface and under being arranged on rotating disk；Described rotating disk
Upper measurement is uniformly provided with six stations successively around the rotating disk center of circle, and the angle being connected between two stations is 60 degree, and each station is all provided with
There is a machinery positioning fixture for placing battery；Described conveying robot mechanism, compression height finder structure, protective cover place machine
Structure, laser welding mechanism and protective cover feel trim actuator all edges around the rotating disk direction of rotation along rotating disk is sequentially arranged at work
On the table top of station, and a station on each corresponding rotating disk；Described laser welding mechanism includes installing support plate, and module is installed vertical
Plate, CCD vision localization recognizer component, linear module and laser instrument, described installation support plate is arranged on work top, described module
Installation riser is arranged on installation support plate, and described linear module is fixedly mounted on the facade of module installation riser, described laser instrument
It is fixed on the liftable mobile installing plate of linear module, described installation support plate is provided with air knife in the both sides positioned at laser instrument and props up
Frame, the front end of described air knife support sets up angle air knife, and described air knife support is mounted below dust excluding hood, described CCD vision
Fixation and recognition assembly is fixed on the side of air knife support.
2. according to the cell sealing laser welding apparatus described in claim 1 it is characterised in that described CCD vision localization identifies
Assembly includes camera heights adjusting bracket, CCD camera, annular light source, and described CCD camera is fixed on camera heights adjusting bracket top
End, described annular light source is fixed on the middle part of camera heights adjusting bracket, and the circular hole by annular light source for the camera lens of CCD camera
Realize the battery in machinery positioning fixture is positioned.
3. according to the cell sealing laser welding apparatus described in claim 2 it is characterised in that the camera lens of described laser instrument is remote
Heart camera lens, described laser instrument one side is equipped with angular transducer.
4. according to the cell sealing laser welding apparatus described in claim 1 it is characterised in that feeding station on described workbench
And compression is surveyed between high station, is provided with 6 photoelectric sensors around disk edge, between each sensor, angle is 5 degree；On rotating disk
With immediately below any one machinery positioning fixture as starting point, rotating disk lower edge around the rotating disk center of circle every 65 degree equipped with a sensor
Sensing chip, rotating disk often rotates a station and can differentiate grippers.
5. according to the cell sealing laser welding apparatus described in claim 1 it is characterised in that described rotary disc assembly also includes leading
Electric slip ring, three phase electric machine, the big plate of installation and DOCK LEVELER, described conductive cunning is coaxially connected with rotating disk and is arranged on rotating disk,
So that the wire being contained on rotating disk when rotating disk rotates will not twist together because rotating disk rotates, described dispenser passes through dispenser
Installing plate be arranged on side on DOCK LEVELER, three phase electric machine is arranged on another on DOCK LEVELER by motor mounting plate
Side, the synchronous pulley of described three phase electric machine and the synchronous pulley of dispenser is connected with Timing Belt, described DOCK LEVELER sets
Put on big plate is installed, and DOCK LEVELER is provided with regulating block connecting plate with installing big plate.
6. according to the cell sealing laser welding apparatus described in claim 1 it is characterised in that described protective cover placement mechanism bag
Include supporting vertical plate, pusher cylinder, two sets of linear slide rails, protective cover installation riser, T-shaped contiguous block, upper push cylinder, floating junction,
Support fixed plate, gas pawl, stop screw and buffer bar, described protective cover installation riser is arranged in supporting vertical plate, described linear
Slide rail is arranged on the upside of protective cover installation riser, and described T-shaped contiguous block is arranged on below the base plate of protective cover installation riser,
Described pusher cylinder set is connected on T-shaped contiguous block and is arranged on the downside of pusher cylinder, and the middle hollow out of described mounting base has one
Individual coffin, as the activity space of the T-shaped contiguous block of cylinder end；Described upper push cylinder is arranged on the side of supporting vertical plate
Face, upper push cylinder passes through floating junction and T-shaped contiguous block connects, and T-shaped contiguous block connects the short brink lateral surface of supporting vertical plate；
Described gas pawl is fixed on inside long side.
7. according to the cell sealing laser welding apparatus described in any one of claim 1 to 6 it is characterised in that described carrying implement
Tool mobile phone structure is made up of manipulator base, four axis robot, Pneumatic clamping jaw, sensor, mounting flange and claw installing plate, described
Four axis robot are arranged in manipulator base, described Pneumatic clamping jaw be arranged on four axis robot ends and by mounting flange with
Claw installing plate connects, and the described mounting flange top end circular shaft of screw lock four axis robot, under described mounting flange
Hold the claw installing plate that is spirally connected, described claw installing plate is spirally connected with the cylinder of Pneumatic clamping jaw.
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| CN201610943749.9A CN106475682B (en) | 2016-11-02 | 2016-11-02 | A kind of cell sealing laser welding apparatus |
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| CN201610943749.9A CN106475682B (en) | 2016-11-02 | 2016-11-02 | A kind of cell sealing laser welding apparatus |
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| CN106475682B CN106475682B (en) | 2019-01-22 |
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| CN115091092A (en) * | 2022-08-24 | 2022-09-23 | 苏州鼎纳自动化技术有限公司 | Automatic welding equipment |
| WO2024113321A1 (en) * | 2022-12-01 | 2024-06-06 | 宁德时代新能源科技股份有限公司 | Welding apparatus and use method of welding apparatus |
| CN115741766A (en) * | 2022-12-29 | 2023-03-07 | 昆山正多荣五金机械有限公司 | Electric spark workpiece fixing jig |
| CN115741766B (en) * | 2022-12-29 | 2024-10-11 | 昆山正多荣五金机械有限公司 | Electric spark workpiece fixing jig |
| CN116214058A (en) * | 2023-05-09 | 2023-06-06 | 浙江求是半导体设备有限公司 | Welding carrier mechanism, welding equipment, production line and production method |
| CN116713680A (en) * | 2023-08-11 | 2023-09-08 | 烟台立源力机械零部件有限公司 | Welding fixture for vehicle chassis part and application method thereof |
| CN116713680B (en) * | 2023-08-11 | 2023-10-20 | 烟台立源力机械零部件有限公司 | Welding fixture for vehicle chassis part and application method thereof |
| CN117862675A (en) * | 2024-03-11 | 2024-04-12 | 武汉创恒激光智能装备有限公司 | Welding device for automobile temperature sensor |
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| CN106475682B (en) | 2019-01-22 |
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