CN102672339A - Longitudinal ultrasonic welding device for power battery electrodes and working method of longitudinal ultrasonic welding device - Google Patents
Longitudinal ultrasonic welding device for power battery electrodes and working method of longitudinal ultrasonic welding device Download PDFInfo
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- CN102672339A CN102672339A CN2012101672651A CN201210167265A CN102672339A CN 102672339 A CN102672339 A CN 102672339A CN 2012101672651 A CN2012101672651 A CN 2012101672651A CN 201210167265 A CN201210167265 A CN 201210167265A CN 102672339 A CN102672339 A CN 102672339A
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- 238000003466 welding Methods 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 claims description 16
- 238000005219 brazing Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000010358 mechanical oscillation Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004021 metal welding Methods 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
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- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
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- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000010355 oscillation Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a longitudinal ultrasonic welding device for power battery electrodes and a working method of the longitudinal ultrasonic welding device. The Longitudinal ultrasonic welding device for the power battery electrodes comprises a driving device, an ultrasonic welding mechanism, a welding base, a base and a mounting plate mounted on the base vertically, wherein the driving device and the ultrasonic welding device are connected by means of matching to drive the ultrasonic welding device to move up and down, and the welding base fixedly mounted on the base is arranged below the ultrasonic welding mechanism. The ultrasonic welding mechanism is fixedly mounted on a movable component, and the driving device and the movable component are connected by means of matching to drive the movable component to move up and down. By the longitudinal ultrasonic welding device for the power battery electrodes and the working method of the longitudinal ultrasonic welding device, welding requirements for one to more than one hundred layers of single-welded or double-welded power battery pole pieces and tabs can be met.
Description
Technical field
The present invention relates to a kind of ultrasonic brazing unit, relate in particular to a kind of electrokinetic cell electrode ultrasonic compressional, with the welding of the single or multiple lift electrode that is used for electrokinetic cell to welder and method of work thereof.
Background technology
Based on present ultrasonic wave metal welding equipment in the welding of the lug of electrokinetic cell and single or multiple lift pole piece bonding area than the main point multiple welding; Can't satisfy disposable single-point or the welding requirements of multiple spot large tracts of land, owing to be repeatedly the crawl welding, efficient is low; And back time welding meeting causes the pine that shakes to the pad of front; Cause welding not firm easily, i.e. the phenomenon of rosin joint can't realize the technological requirement of the disposable high-quality welding of present electrokinetic cell single or multiple lift electrode large tracts of land.When the welding of electrokinetic cell single or multiple lift pole piece and lug, more need special welding pressure and ultrasonic frequency, otherwise can damage pole piece of power battery or lug, have influence on the production qualification rate of battery.At present, generally adopt single-point welding in electrokinetic cell single or multiple lift electrode welding procedure, shortcoming is that welding efficiency is low, and bonding area is little, weld insecure, the loose phenomenon of promptly shaking.Especially adopt manual mode feeding workpiece, welding quality can not guarantee, can't realize in enormous quantities, scale, homogeneity of product production requirement.
Summary of the invention
Technical problem to be solved by this invention is that to change existing ultrasonic wave metal welding equipment bonding area in the welding of the lug of electrokinetic cell and single or multiple lift pole piece bigger; Want multiple welding; Can't satisfy the large-area welding requirements of disposable single-point or multiple spot; Owing to be multiple welding, back time welding meeting causes the pine that shakes to the pad of front, causes welding effect not reach the requirement of present electrokinetic cell single or multiple lift electrode large tracts of land welding procedure easily; Welding quality can not guarantee, can't realize the homogeneity of product production requirement.
The present invention aim to provide a kind of can single-point of large tracts of land or multiple spot welding electrokinetic cell single or multiple lift electrode ultrasonic compressional to the output welder, this welder is the innovation that existing ultrasonic wave metal welding equipment is laterally exported a kind of technical application of welding manner.
For realizing above-mentioned purpose, said electrokinetic cell electrode ultrasonic compressional is characterized in that to welder said welder comprises drive unit, ultrasonic welding institution, welding base, base and the vertical installing plate that is installed on the base; Wherein, said drive unit and ultrasonic welding institution are connected, and move up and down to drive this ultrasonic welding institution, and are installed in the below that said welding base on the base is arranged at this ultrasonic welding institution.
Preferably, said ultrasonic welding institution is fixedly installed on the moving assembly, and said drive unit and this moving assembly are connected, and moves up and down to drive moving assembly.
Preferably, on the said installing plate dorsad the direction of ultrasonic welding institution be convexly equipped with the two first parallel fixed heads and second fixed head; Said moving assembly comprises and moves backboard that said ultrasonic welding institution is installed in a side that moves backboard; The opposite side that said mobile backboard is fixed with ultrasonic brazing unit convexes with one first slide block; Said mobile backboard and installing plate are connected; And said drive unit comprises cylinder and the drive plate that is fixed on the cylinder output, and said drive plate along continuous straight runs runs through second fixed head and first fixed head in order; And, on said drive plate, offering one first chute, said first slide block is embedded in said first chute and can slides along the length direction of first chute, and said first chute and horizontal direction have angle.
Preferably, said moving assembly also comprises one second slide block, and said second slide block is connected through a junction and mobile backboard; And an other end of said second slide block is embedded in second chute that is arranged on first or second fixed head and can slides along the length direction of this second chute.
Preferably, said ultrasonic welding institution comprises transducer, welding transmitting and converting device, horn and the weld mold that connects in order.
Preferably, said transducer horizontal positioned is to produce the mechanical oscillation of level; And said welding transmitting and converting device is cross connector, and it is the two ends at right angle that said transducer and horn are divided the angle that is connected to this welding transmitting and converting device repeatedly.
Preferably, the width of said weld mold is greater than 1/4 of the ultrasonic wave wavelength.
Another object of the present invention is to provide the method for work of said electrokinetic cell electrode ultrasonic compressional to welder, and this method of work comprises,
Step 1: regulate in ultrasonic bonding pressure to 0.1 ~ 0.8MPa scope; Grow in 0.01 ~ 2s scope when regulating ultrasonic bonding the best; Regulate in ultrasonic frequency to 15 ~ 40KHz scope; And regulate in input electric power to 700 ~ 20000W scope;
Step 2: the multilayered metal film that the single or multiple lift pole piece and the lug of electrokinetic cell to be welded are formed is stacked on the welding base;
Step 3: said drive unit drives ultrasonic welding institution and moves down, and weld mold is butted on the multilayered metal film on the said welding base; And,
Step 4: start said ultrasonic welding institution, the upper surface of said multilayered metal film is carried out dither; Synchronously, handle said drive unit, make it drive said ultrasonic welding institution and vertically move down, exert pressure, to implement welding with upper surface to multilayered metal film.
Described electrokinetic cell electrode ultrasonic compressional is characterized in that to the method for work of welder: comprises,
Step 1: regulate in ultrasonic bonding pressure to 0.1 ~ 0.8MPa scope; Grow in 0.01 ~ 2s scope when regulating ultrasonic bonding the best; Regulate in ultrasonic frequency to 15 ~ 40KHz scope; And regulate in input electric power to 700 ~ 20000W scope;
Step 2: the multilayered metal film that the single or multiple lift pole piece and the lug of electrokinetic cell to be welded are formed is stacked on the welding base;
Step 3: said drive unit drives ultrasonic welding institution and moves down, and weld mold is butted on the multilayered metal film on the said welding base; And,
Step 4: start said ultrasonic welding institution, the upper surface of said multilayered metal film is carried out dither; Synchronously, handle said drive unit, make it drive said ultrasonic welding institution and vertically move down, exert pressure, to implement welding with upper surface to multilayered metal film.
Preferably; Said drive unit drives the method that ultrasonic welding institution moves, and drives said cylinder, and the drive plate that is fixed on the cylinder output moves; Owing to have the restriction of first chute of certain angle with horizontal direction; Said first slide block is forced in first chute and slides, and moves moving up and down of backboard thereby drive, and promptly drives the ultrasonic welding institution that is fixed on the mobile backboard and moves up and down; While also slides in second chute with second slide block that mobile backboard is connected, with the stability in the moving process that guarantees moving assembly and ultrasonic welding institution.
Beneficial effect of the present invention is, uses said electrokinetic cell electrode ultrasonic compressional to welder and method of work thereof, can realize pole piece of power battery and the welding requirements of lug of the single or double weldering of one deck to one hundred multilayers.
Description of drawings
Fig. 1 shows the overall structure sketch map of electrokinetic cell electrode ultrasonic compressional of the present invention to welder.
Fig. 2 shows the structural representation of the ultrasonic welding institution shown in Fig. 1.
Fig. 3 shows the front view of the overall structure sketch map shown in Fig. 1.
Fig. 4 shows the left view of the overall structure sketch map shown in Fig. 1.
Fig. 5 shows the vertical view of the overall structure sketch map shown in Fig. 1.
Fig. 6 shows that the drive unit in the overall structure is connected sketch map with moving assembly shown in Fig. 1.
Fig. 7 shows the front view of connection sketch map shown in Figure 6.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further specified.
Like Fig. 1,3, shown in 4 and 5; Said electrokinetic cell electrode ultrasonic compressional is to welder; Comprise protection outer cover 1, and all be arranged at drive unit, ultrasonic welding institution 4, welding base 6, base 7 and the vertical installing plate 3 that is installed on the base 7 in the said protection outer cover 1.Wherein, said drive unit and ultrasonic welding institution 4 are connected, and move up and down to drive this ultrasonic welding institution 4, and are installed in the below that said welding base 6 on the base 7 is arranged at this ultrasonic welding institution 4.Wherein, said ultrasonic welding institution 4 is fixedly installed on the moving assembly 5, and said drive unit and this moving assembly 5 are connected, and moves up and down to drive moving assembly 5.
Like Fig. 6 and shown in Figure 7, particularly, on the said installing plate 3 dorsad the direction of ultrasonic welding institution 4 be convexly equipped with the two first parallel fixed heads 31 and second fixed head 32.
Said moving assembly 5 comprises and moves backboard 51 that said ultrasonic welding institution 4 is installed in a side that moves backboard 51; The opposite side that said mobile backboard 51 is fixed with ultrasonic brazing unit convexes with one first slide block 511; Said mobile backboard 51 is connected with installing plate 3.
Said drive unit comprises cylinder 2 and through being fixed on the drive plate 21 of cylinder 2 outputs, said drive plate 21 along continuous straight runs run through second fixed head 32 and first fixed head 31 in order; And; On said drive plate 21, offer one first chute 211; Said first slide block 511 is embedded in said first chute 211 and can slides along the length direction of first chute 211; Said first chute 211 has angle with horizontal direction, to guarantee that length travel changes in the process that first slide block 511 slides in first chute 211.
Be the stability in ultrasonic welding institution 4 moving process that guarantee said moving assembly 5 and be connected with it, said moving assembly 5 also comprises one second slide block 52, and said second slide block 52 is connected through a junction (not shown in the accompanying drawing) and mobile backboard 51; And an other end of said second slide block 52 is embedded in second chute 321 that is arranged on first fixed head 31 or second fixed head 32 and can slides along the length direction of this second chute 321.
In addition, said ultrasonic welding institution 4 comprises transducer 41, welding transmitting and converting device 42, horn 43 and the weld mold 44 that connects in order, and said welding base 6 is arranged at the below of the weld mold 44 of this ultrasonic welding institution 4.Wherein, said transducer 41 horizontal positioned are to produce the mechanical oscillation of level; And; Said welding transmitting and converting device 42 is cross connector; Said transducer 41 is the two ends at right angle with the angle that horn was connected to this welding transmitting and converting device 42 in 43 minutes repeatedly; So that transducer 41 carries out flexural vibrations, thereby convert extensional vibration into after the oscillation crosswise bending that transducer 41 is exported.And the width of said weld mold 44 is greater than 1/4 of the ultrasonic wave wavelength.
Said electrokinetic cell electrode ultrasonic compressional may further comprise the steps to the method for work of welder,
Step 1: regulate in ultrasonic bonding pressure to 0.1 ~ 0.8MPa scope; Grow in 0.01 ~ 2s scope when regulating ultrasonic bonding the best; Regulate in ultrasonic frequency to 15 ~ 40KHz scope; And regulate in input electric power to 700 ~ 20000W scope;
Step 2: the multilayered metal film that the single or multiple lift pole piece and the lug of electrokinetic cell to be welded are formed is stacked on the welding base 76;
Step 3: said drive unit drives ultrasonic welding institution 4 and moves down, and weld mold 44 is butted on the multilayered metal film on the said welding base 6; And,
Step 4: start said ultrasonic welding institution 4, the upper surface of said multilayered metal film is carried out dither; Synchronously, handle said drive unit, make it drive said ultrasonic welding institution 4 and vertically move down, exert pressure, to implement welding with upper surface to multilayered metal film.
In the above-mentioned steps three; Said drive unit drives the method that ultrasonic welding institution 4 moves, and drives said cylinder 2, and the drive plate 21 that is fixed on cylinder 2 outputs moves; Owing to have the restriction of first chute 211 of certain angle with horizontal direction; Said first slide block 511 is forced in first chute 211 and slides, and moves moving up and down of backboard 51 thereby drive, and promptly drives the ultrasonic welding institution 4 that is fixed on the mobile backboard 51 and moves up and down; While also slides in second chute 321 with second slide block 52 that mobile backboard 51 is connected, with the stability in the moving process that guarantees moving assembly 5 and ultrasonic welding institution 4.
Being merely preferred embodiment of the present invention in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of claim of the present invention change and modification, all should belong to technological category of the present invention.
Claims (9)
1. an electrokinetic cell electrode ultrasonic compressional is characterized in that to welder: said welder comprises drive unit, ultrasonic welding institution, welding base, base and the vertical installing plate that is installed on the base; Wherein, said drive unit and ultrasonic welding institution are connected, and move up and down to drive this ultrasonic welding institution, and are installed in the below that said welding base on the base is arranged at this ultrasonic welding institution.
2. electrokinetic cell electrode ultrasonic compressional according to claim 1 is to welder; It is characterized in that: said ultrasonic welding institution is fixedly installed on the moving assembly; Said drive unit and this moving assembly are connected, and move up and down to drive moving assembly.
3. electrokinetic cell electrode ultrasonic compressional according to claim 2 is characterized in that to welder:
On the said installing plate dorsad the direction of ultrasonic welding institution be convexly equipped with the two first parallel fixed heads and second fixed head;
Said moving assembly comprises and moves backboard that said ultrasonic welding institution is installed in a side that moves backboard; The opposite side that said mobile backboard is fixed with ultrasonic brazing unit convexes with one first slide block; Said mobile backboard and installing plate are connected; And,
Said drive unit comprises cylinder and the drive plate that is fixed on the cylinder output, and said drive plate along continuous straight runs runs through second fixed head and first fixed head in order; And, on said drive plate, offering one first chute, said first slide block is embedded in said first chute and can slides along the length direction of first chute, and said first chute and horizontal direction have angle.
4. electrokinetic cell electrode ultrasonic compressional according to claim 3 is characterized in that to welder: said moving assembly also comprises one second slide block, and said second slide block is connected through a junction and mobile backboard; And an other end of said second slide block is embedded in second chute that is arranged on first or second fixed head and can slides along the length direction of this second chute.
5. it is characterized in that to welder according to any described electrokinetic cell electrode ultrasonic compressional in the claim 1 to 4: said ultrasonic welding institution comprises transducer, welding transmitting and converting device, horn and the weld mold that connects in order.
6. electrokinetic cell electrode ultrasonic compressional according to claim 5 is characterized in that to welder: said transducer horizontal positioned, to produce the mechanical oscillation of level; And said welding transmitting and converting device is cross connector, and it is the two ends at right angle that said transducer and horn are divided the angle that is connected to this welding transmitting and converting device repeatedly.
7. electrokinetic cell electrode ultrasonic compressional according to claim 5 is to welder, and it is characterized in that: the width of said weld mold is greater than 1/4 of the ultrasonic wave wavelength.
8. electrokinetic cell electrode ultrasonic compressional according to claim 7 is characterized in that to the method for work of welder: comprises,
Step 1: regulate in ultrasonic bonding pressure to 0.1 ~ 0.8MPa scope; Grow in 0.01 ~ 2s scope when regulating ultrasonic bonding the best; Regulate in ultrasonic frequency to 15 ~ 40KHz scope; And regulate in input electric power to 700 ~ 20000W scope;
Step 2: the multilayered metal film that the single or multiple lift pole piece and the lug of electrokinetic cell to be welded are formed is stacked on the welding base;
Step 3: said drive unit drives ultrasonic welding institution and moves down, and weld mold is butted on the multilayered metal film on the said welding base; And,
Step 4: start said ultrasonic welding institution, the upper surface of said multilayered metal film is carried out dither; Synchronously, handle said drive unit, make it drive said ultrasonic welding institution and vertically move down, exert pressure, to implement welding with upper surface to multilayered metal film.
9. electrokinetic cell electrode ultrasonic compressional according to claim 8 is to the method for work of welder; It is characterized in that: the method that said drive unit driving ultrasonic welding institution moves does; Drive said cylinder; The drive plate that is fixed on the cylinder output moves, owing to have the restriction of first chute of certain angle with horizontal direction, said first slide block is forced in first chute and slides; Move moving up and down of backboard thereby drive, promptly drive the ultrasonic welding institution that is fixed on the mobile backboard and move up and down; While also slides in second chute with second slide block that mobile backboard is connected, with the stability in the moving process that guarantees moving assembly and ultrasonic welding institution.
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| CN105397380A (en) * | 2015-12-30 | 2016-03-16 | 苏州润昇精密机械有限公司 | Welder fixing device applied to aluminum foil end face welding of lithium battery |
| CN105637675A (en) * | 2013-10-03 | 2016-06-01 | 日产自动车株式会社 | Apparatus for bonding separators in electrical devices |
| CN111958098A (en) * | 2020-09-01 | 2020-11-20 | 河南理工大学 | Multifunctional adjustable ultrasonic welding system for tabs |
| CN114226946A (en) * | 2021-12-30 | 2022-03-25 | 上海骄成超声波技术股份有限公司 | Ultrasonic welding device and welding method |
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| CN114226946A (en) * | 2021-12-30 | 2022-03-25 | 上海骄成超声波技术股份有限公司 | Ultrasonic welding device and welding method |
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Effective date of registration: 20160704 Address after: 510000 Guangdong, Tianhe District Longdong dragon road, No. D-3 on the first floor of the building on the first floor of the building Longdong industrial building D-2 Patentee after: Kepu Ultrasonic Electronic Technological Ltd. Address before: 513135, Yangshan County, Guangdong City, Qingyuan province scale Xiang Village, the village of New Village No. 10 Patentee before: Lei Guangwei |
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Inventor after: Pan Jinguang Inventor after: Lei Guangwei Inventor before: Lei Guangwei |