WO2018192249A1

WO2018192249A1 - Ultrasonic welder for automatically welding safety end cap, tab and punched plate of power battery

Info

Publication number: WO2018192249A1
Application number: PCT/CN2017/116546
Authority: WO
Inventors: 朱剑
Original assignee: 朱剑
Priority date: 2017-04-19
Filing date: 2017-12-15
Publication date: 2018-10-25
Also published as: CN106914694B; CN106914694A

Abstract

An ultrasonic welder for automatically welding a safety end cap, a tab and a punched plate of a power battery comprises a workbench surface (10), a vibration disc (1), a material-feeding track (2), a pre-positioning station (3), a material-loading station (4), a turnplate (5), a tab delivery station (6), a welding station (7), a tab-flattening station (8) and a material-unloading station (9). The vibration disc (1) is provided at the workbench surface (10) for feeding a material and is connected to one end of the material-feeding track (2). The other end of the material-feeding track (2) corresponds to the pre-positioning station (3). The pre-positioning station (3), the material-loading station (4), the turnplate (5), the tab delivery station (6), the welding station (7), the tab-flattening station (8) and the material-unloading station (9) are sequentially connected, thereby realizing automatic welding of an end cap, a tab and a punched plate. The present invention has high level of automation, welding precision and quality.

Description

Power battery safety cap pole ear plate ultrasonic automatic welding machine

Technical field

The invention relates to a lithium battery production device, in particular to a power battery safety cap polar ear plate ultrasonic automatic welding machine.

Background technique

Lithium-ion batteries are widely used in industrial production and daily life. Caps are one of the important components of lithium-ion batteries. They are composed of top cover, orifice plate, rupture disk and sealing ring. The production of lithium battery caps requires the welding of the ear. For assembling the finished product, the traditional polar ear welding method is manual operation, and manually taking a single orifice plate for single welding is time-consuming and laborious, low in efficiency, and the welding position accuracy and welding quality cannot be accurately guaranteed, which affects the battery quality.

Summary of the invention

In view of the above-mentioned deficiencies of the prior art, the present invention provides a high-automatic, high-precision welding, high-quality ultrasonic battery automatic cap welding machine for earplugs.

The technical scheme adopted by the invention is: a power battery safety cap pole ear plate ultrasonic automatic welding machine, which is characterized in that it comprises a work surface, a vibration plate, a feeding track, a predetermined position station, a loading station, a work turntable, a pole conveying station, a welding station, a tab flattening station and a unloading station, wherein the vibrating plate is disposed on one end of the feeding contact feeding track on the working surface, and the other end of the feeding track corresponds to a predetermined position, The pre-positioning station includes a positioning probe and a positioning seat. The positioning seat is rotatably disposed on the working surface and the upper end thereof is corresponding to the positioning probe. The working rotating table is rotatably disposed on the working surface and a plurality of welding seats are uniformly arranged on the upper circumference of the working turntable. The loading station comprises a loading rack, a loading rail rod, a suction head seat and a suction head, and the suction head seat is connected to the loading rail rod disposed on the loading rack, and the suction head seat is provided with two suction heads Moving along the loading track bar respectively corresponding to the other end of the feeding track and the positioning seat simultaneously sucking the orifice plate, or respectively corresponding to the positioning seat and the welding seat simultaneously sucking the orifice plate state, the tab conveying station including the aluminum strip discharging Rack, aluminum Conveyor frame, aluminum belt feeding cylinder, aluminum belt clamp feeding seat, cutting cylinder, cutting knife, pole feeding cylinder and pole clip feeding seat, aluminum belt discharging rack and aluminum belt conveying frame are set on the working surface The aluminum belt discharging rack is provided with an aluminum belt tray discharging material to connect the aluminum belt clip feeding seat, and the aluminum belt clip feeding seat is fed to the working turntable through the aluminum belt feeding cylinder disposed on the aluminum belt conveying frame, and the aluminum belt conveying frame is arranged on the aluminum belt conveying frame There is also a cutting cylinder and a pole feed cylinder, and the lower end of the cutting cylinder is connected with a cutting knife. The outermost end of the feeding of the aluminum belt clip is fed by the cutting knife up and down to cut the aluminum strip state, the ear Feeding cylinder front end connecting the ear clip feeding seat corresponding to the aluminum belt clip feeding seat feeding the farthest outer end is fed by the pole ear clip feeding seat clamping tab end to the working turntable on the positioning seat position state, the welding The working position is an ultrasonic welding instrument, and the welding head of the ultrasonic welding instrument corresponds to the ear clip holder. The other end of the clamping tab is disposed above the positioning seat, and the tab conveying station and the welding station correspond to the same positioning seat conveying tab and the welding pole. The ear, the tab flattening station and the unloading station correspond to the welding seat on the working turntable After being disposed at a welding station or a pole conveying station, the tab flattening station includes a flattening bracket, a flattening cylinder and a flattening head, the flattening bracket is disposed on the working surface, and the flattening cylinder is disposed on the flattening bracket The push-up head on the upper side of the locating hole on the working wheel of the urging cylinder is pushed and pushed to the flattened ear state, and the unloading station includes a discharge bracket, a discharge telescopic cylinder, and an unloading The material lifting cylinder, the discharging suction head and the discharging hopper, the discharging bracket is arranged on the working surface, the discharging telescopic cylinder is arranged on the discharging bracket and is in a state of being stretched toward the working turntable, and the discharging telescopic cylinder is connected to the working rotating wheel at one end. The lifting cylinder and the lower end of the discharging lifting cylinder are connected with the discharging suction head to lift and suck the finished product state in the welding seat, and the discharging hopper is arranged on the working surface to lower the retracting position of the discharging lifting cylinder corresponding to the discharging telescopic cylinder.

Further, the aluminum belt clip holder and the pole clip holder are pneumatic fingers.

Further, a metering device is arranged between the aluminum strip tray discharging connection and the aluminum belt clip feeding seat, and the metering device is connected to the aluminum belt feeding cylinder.

Further, the aluminum belt conveying frame is further connected with a tab positioning lifting cylinder and a tab positioning rod, and the tab positioning rod is connected at the lower end of the tab positioning lifting cylinder to lift and lower the corresponding positioning inner hole plate, and the positioning tab is sent. The seat clamps the state of the tab position.

Further, the feeding track, the pre-positioning station, and the loading station may be provided with a plurality of simultaneous operations, and the tab conveying station and the welding station may be provided with a plurality of intervals corresponding to the welding seats on the working turntable to simultaneously operate.

At the beginning of the operation, the vibrating plate is fed through the feeding track. At the pre-positioning position, the suction head is moved on the loading rail rod so that the upper nozzle sucks the inner hole plate of the feeding rail to the positioning seat, and the other The tip moves over the weld seat on the work carousel and There is no workpiece pick-and-place on the positioning plate, and the position of the pressure relief hole on the positioning plate is detected by the positioning probe on the positioning seat, and the position is set in the circumferential direction of the working wheel according to the subsequent welding station and the ear conveying station, and the pressure relief hole is detected. Position, the total electric control box controls the rotation of the positioning seat to rotate the pressure relief hole to the set position, the suction head seat reciprocates on the loading rail rod, sucks the subsequent orifice plate to the positioning seat and positions it in the process The hole plate after positioning in the seat is sucked into the welding seat, and the welding seat with the built-in hole plate rotates to the working position of the ear ear with the working turntable, and the aluminum tape on the aluminum tape discharging frame is sent to the pneumatic finger clip of the aluminum belt clip. The feeding aluminum strip can be arranged with a guiding wheel to ensure the stable guiding conveyance of the aluminum strip. The aluminum belt clip feeding seat is fed with the feeding belt of the aluminum belt toward the working turntable, and the feeding size is controlled according to the required size of the ear, and the feed size is controlled by The feed size of the aluminum belt feed cylinder or the meter on the aluminum belt conveyor ensures that the pole clamps the pneumatic finger to clamp the inner end of the quantitatively sized aluminum strip, and the cutting cylinder controls the cutting knife. Cut the quantitative size of the aluminum strip, cut it The quantitative size aluminum belt is a polar ear, and the polar ear feeding cylinder drives the pole ear clip feeding seat to feed the pole ear to the upper part of the welding seat. During the feeding, the ear positioning lifting cylinder controls the pole positioning rod to descend to The position of the edge of the ear set on the orifice plate limits the position of the feed of the tab to ensure that the position of the tab corresponding to the upper part of the orifice plate satisfies the welding requirement, and then the non-clamp of the lug of the ear by the welding head of the ultrasonic welding instrument The welding is carried out at the tight end. After the welding is completed, the tabs of the tabs of the tabs are loosened from the clamping end, and the clamping end is in a tilting state, and the rotation of the orifice plate in the predetermined position is such that the upper pressure relief hole avoids overlapping with the tab position. The pole positioning rod is raised and reset, the pole clip feeding seat is retracted and resets to continue to clamp the tab ear, and the welded ear plate is rotated in the welding seat with the working turntable to the pole flat pushing station, and the flat cylinder is pushed flat. The feeding direction is set to rotate to the tip end of the pole on the inner plate of the station welding seat, and the pushing head feed is pushed by the welding end to push the tip end of the ear to be flattened, and the hole plate after the flattening is completed The welding seat is driven by the working turntable to the unloading station, and the unloader The unloading telescopic cylinder drives the unloading lifting cylinder to feed the working turntable to the unloading lifting cylinder. Above the welding seat that needs to be unloaded, the unloading lifting cylinder drives the unloading suction head to suck down the welding to complete the ear and flatten the orifice plate. The unloading telescopic cylinder retracts so that the unloading lifting cylinder corresponds to the discharge hopper above the discharge hopper, and the discharge hopper collects the final product to complete the automatic welding of the polar ear plate, the automation degree is high, the welding precision and the quality are guaranteed. Helps improve the quality of the final battery.

DRAWINGS

Figure 1 is a plan view showing the structure of the present invention;

Figure 2 is a view taken along line A in Figure 1;

Figure 3 is a view taken along line B in Figure 1;

Figure 4 is a view taken along line C in Figure 1.

In the figure: vibrating plate 1, feeding rail 2, pre-positioning station 3, positioning seat 31, positioning probe 32, loading station 4, loading rack 41, loading rail rod 42, suction head 43, suction head 44, work turntable 5, welding seat 51, pole transport station 6, aluminum belt discharge rack 61, aluminum belt conveyor 62, aluminum belt feed cylinder 63, aluminum belt clip holder 64, aluminum belt tray 65, aluminum The belt 66, the cutting cylinder 67, the cutting blade 68, the tab feed cylinder 69, the tab holder 610, the tab positioning lifting cylinder 611, the tab positioning rod 612, the welding station 7, the ultrasonic welding instrument 71, Welding head 72, tab flattening station 8, push-flat bracket 81, flattening cylinder 82, push-flat head 83, unloading station 9, discharge bracket 91, discharge telescopic cylinder 92, discharge lifting cylinder 93, unloading The material suction head 94, the discharge hopper 95, and the work surface 10.

detailed description

The invention is further described below in conjunction with the drawings and embodiments.

The figure shows: a power battery safety cap pole ear plate ultrasonic automatic welding machine including vibrating plate 1, feeding track 2, pre-positioning station 3, loading station 4, working turntable 5, tab conveying station 6 , welding station 7, pole leveling station 8, unloading station 9. The work turntable 5 can be rotatably disposed on the work surface and a plurality of weld seats 51 are arranged on the upper circumference of the work turntable, the predetermined position station 3, the loading station 4, the work turntable 5, the ear transport station 6, and the welding station 7 The pole flattening station 8 and the unloading station 9 are arranged in the vicinity of the working turntable in the rotation direction of the working turntable, and the vibration disk 1 is disposed on the working surface of the working surface to feed the feeding track 2, and the other end of the feeding track 2 corresponds to The pre-positioning station 3 includes a positioning probe 32 and a positioning seat 31. The positioning base 31 is rotatably disposed on the working surface and the upper end thereof corresponds to the positioning probe 32. The loading station 4 includes a loading frame 41 and a loading device. The rail rod 42, the suction head holder 43, the suction head 44, and the loading rack 41 are disposed on the work surface and are provided with a loading rail rod 42. The suction head holder 43 is disposed on the loading rail rod 42 and the suction head. The seat 43 is provided with two suction heads 44 along the edge The loading rail rod 42 moves correspondingly to the other end of the feeding rail 2 and the positioning seat 31 to simultaneously suck and release the orifice plate, or respectively corresponding to the positioning seat 31 and the welding seat 51 to simultaneously suck and release the orifice plate state; the ear conveying station 6 comprises an aluminum belt The discharging rack 61, the aluminum belt conveying frame 62, the aluminum belt feeding cylinder 63, the aluminum belt clamping seat 64, the aluminum belt reel 65, the aluminum belt 66, the cutting cylinder 67, the cutting knife 68, and the tab feed cylinder 69 , the ear clip feeding seat 610, the aluminum belt clip feeding seat, the polar ear clip feeding seat is a pneumatic finger, the aluminum belt discharging rack 61, the aluminum belt conveying frame 62 is disposed on the working surface, and the aluminum belt discharging rack 61 is provided with aluminum. The belt 65 discharge aluminum strip 66 is connected to the aluminum belt clip feeding seat 64. The aluminum belt clip feeding seat 64 is fed toward the working turntable 5 via the aluminum belt feeding cylinder 63 disposed on the aluminum belt conveying frame, and the aluminum belt conveying frame 62 is fed. There is also a cutting cylinder 67 and a tab feed cylinder 69. The lower end of the cutting cylinder 67 is connected to the cutting knife 68. The aluminum strip 66 corresponding to the feeding of the aluminum belt clip is fed by the cutting knife. Cutting aluminum strip state, the tip feed cylinder 69 is connected to the front end of the pole clip holder 610 corresponding to the aluminum strip clamp. The farthest outer end of the feed is clamped by the tab holder. To the position of the positioning seat on the working turntable, the welding station 7 is the ultrasonic welding instrument 71, the welding head 72 of the ultrasonic welding instrument 71 corresponds to the tab holder, and the other end of the clamping tab is disposed above the positioning seat, the ear conveyor The position and the welding station correspond to the same positioning seat conveying tab and the welding tab; the tab flat pushing station and the unloading station correspond to the working turntable, and the welding seat is arranged in the welding station or the tab conveying station in sequence, the tab ear The flattening station 8 includes a flattening bracket 81, a flattening cylinder 82 and a flattening head 83. The flattening bracket is disposed on the working surface, and the flattening cylinder is disposed on the flattening bracket to drive the pushing flat on the cylinder toward the working turntable. The telescopic feed direction of the welding in the inner hole plate of the positioning seat is in the state of flattening the ear, and the unloading station 9 includes a discharge bracket 91, a discharge telescopic cylinder 92, a discharge lifting cylinder 93, and a discharge suction head 94. And the discharge hopper 95, the discharge bracket is disposed on the work surface, the discharge telescopic cylinder is disposed on the discharge bracket and is in a telescopic state toward the work turntable, and the discharge telescopic cylinder is connected to the discharge lift cylinder at one end of the work turntable, and the discharge lifting cylinder is connected. Was connected to the tip end of the discharge suction lifting the weld seat finished state, discharge hopper disposed corresponding to the discharge driven telescopic cylinder to the working table lifting cylinder bottom discharge retracted position.

The above embodiment is only a simple implementation of the present invention. In actual production, in order to satisfy the effect, usually more than two sets of welding stations, tab conveying stations, and pole flattening stations are arranged on the circumference of the working turntable for circumference. Two or more station orifice plate welding operations with upper spacing. The aluminum belt conveyor frame 62 can also be connected with a tab positioning lifting cylinder 611 and a tab positioning rod 612. The tab positioning rod is connected to the lower end of the tab positioning lifting cylinder to lift and lower the corresponding positioning inner hole plate and the positioning tab holder. The state of the pinch position is pinched.

Claims

Ultrasonic automatic welding machine for power battery safety cap pole ear plate, which comprises: work surface, vibration plate, feeding track, pre-positioning station, loading station, working turntable, pole conveying station, welder a bit, a tab flattening station and a unloading station, the vibrating plate is disposed on one end of the feeding surface of the feeding platform, and the other end of the feeding track corresponds to a predetermined position, the pre-positioning station includes a positioning probe and a positioning seat, the positioning seat is rotatably disposed on the work surface, and the upper end thereof is corresponding to the positioning probe, the working turntable is rotatably disposed on the work surface, and a plurality of welding seats are evenly distributed on the upper circumference of the working turntable, and the loading station includes The material rack, the loading rail rod, the suction head seat and the suction head, the suction head seat is arranged to be arranged on the loading rail rod on the loading rack, and the two suction heads are arranged on the suction head seat to move along the loading rail rod respectively Corresponding to the other end of the feeding track and the positioning seat, the hole plate is simultaneously sucked, or the corresponding positioning seat and the welding seat are respectively sucked and released, and the ear conveying station comprises an aluminum belt discharging frame, an aluminum belt conveying frame, and an aluminum With feed cylinder, With clip holder, cutting cylinder, cutting knife, pole feed cylinder and pole clip holder, aluminum belt discharge rack, aluminum belt conveyor is set on the work surface, aluminum belt is placed on the aluminum rack The disc discharge is connected with the aluminum belt clip feeding seat, and the aluminum belt clip feeding seat is fed toward the working turntable through the aluminum belt feeding cylinder disposed on the aluminum belt conveying frame, and the cutting belt cylinder and the ear ear are further arranged on the aluminum belt conveying frame. For the cylinder, the lower end of the cutting cylinder is connected to the cutting knife. The outermost end of the feeding of the aluminum belt clamp is fed by the cutting knife up and down. The ear feeding cylinder front end is connected with the ear clip holder. The farthest outer end corresponding to the feeding of the aluminum belt clip feeding seat is fed from the end of the clamping ear of the pole clip feeding seat to the position of the positioning seat on the working turntable, and the welding station is an ultrasonic welding instrument, an ultrasonic welding instrument The welding head corresponds to the tab holder, and the other end of the clamping tab is disposed above the positioning seat. The tab conveying station and the welding station correspond to the same positioning seat conveying tab and the welding tab, and the tab flattening station Corresponding to the unloading station, the welding seat on the working turntable is set in the welding station or the ear ear in turn. After the station, the pole flattening station includes a flattening bracket, a flattening cylinder and a flattening head, and the flattening bracket is disposed on the working surface, and the flattening cylinder is disposed on the pushing bracket to push the pushing head on the pushing cylinder Extending and feeding the flattening ear state toward the welding ear in the inner hole plate on the working wheel, the unloading station includes a discharge bracket, a discharge telescopic cylinder, a discharge lifting cylinder, a discharge nozzle and The discharge hopper, the discharge bracket is arranged on the work surface, the discharge telescopic cylinder is arranged on the discharge bracket and is in a telescopic state toward the work turntable, and the discharge telescopic cylinder is connected to the discharge lifting cylinder at one end of the work turntable, and the lower end of the discharge lifting cylinder is connected. The discharge suction head is in a state of being lifted and sucked into the finished product of the welding seat, and the discharge hopper is disposed on the lower surface of the work surface corresponding to the retracting position of the discharge lifting cylinder driven by the discharge telescopic cylinder.
A power battery safety cap pole ear plate ultrasonic automatic welding machine according to claim 1, wherein the aluminum belt clip feeding seat and the pole ear clip feeding seat are pneumatic fingers.
The invention relates to a power battery safety cap pole ear plate ultrasonic automatic welding machine according to claim 1, wherein: the aluminum tape tray discharge connection is provided with a metering device between the aluminum belt clip feeding seats, and the meter is connected. Aluminum belt feed cylinder.
A power battery safety cap pole ear plate ultrasonic automatic welding machine according to claim 1, wherein: the aluminum belt conveyor frame is further connected with a pole positioning lifting cylinder and a pole positioning rod, and the ear positioning rod Connected to the lower end of the pole positioning lifting cylinder is raised and lowered corresponding to the inner hole plate of the positioning seat, and the position of the ear clip is sent to the position of the ear.
The invention relates to a power battery safety cap pole ear plate ultrasonic automatic welding machine according to claim 1, wherein: the feeding track, the pre-positioning station and the loading station can be arranged with a plurality of simultaneous operations, and the ear conveying station The welding station can be set to work at a plurality of intervals corresponding to the welding seat on the working turntable.