CN111360541A - Lithium battery connection piece welding device - Google Patents

Lithium battery connection piece welding device Download PDF

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Publication number
CN111360541A
CN111360541A CN201811603881.0A CN201811603881A CN111360541A CN 111360541 A CN111360541 A CN 111360541A CN 201811603881 A CN201811603881 A CN 201811603881A CN 111360541 A CN111360541 A CN 111360541A
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China
Prior art keywords
cutting
lithium battery
welding
cylinder
connecting sheet
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Application number
CN201811603881.0A
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Chinese (zh)
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CN111360541B (en
Inventor
赵志伟
胡军
徐福强
林坤南
董建伟
高云松
徐作斌
黄子龙
高云峰
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Shenzhen Han's Lithium Battery Intelligent Equipment Co ltd
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Han s Laser Technology Industry Group Co Ltd
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Priority to CN201811603881.0A priority Critical patent/CN111360541B/en
Publication of CN111360541A publication Critical patent/CN111360541A/en
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Publication of CN111360541B publication Critical patent/CN111360541B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/04Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations

Abstract

The embodiment of the application belongs to the technical field of lithium battery production, and relates to a lithium battery connecting sheet welding device. The technical scheme provided by the application comprises a rack, a feeding mechanism, a cutting mechanism, a welding mechanism and a conveying mechanism; the feeding mechanism, the cutting mechanism, the welding mechanism and the conveying mechanism are arranged on the rack; the feeding mechanism is used for conveying the connecting sheet to the cutting mechanism and the conveying mechanism; the cutting mechanism is arranged between the feeding mechanism and the welding mechanism and is used for cutting the connecting sheet conveyed by the feeding mechanism; conveying mechanism set up in on welding mechanism's the welding station for carry the connection piece after will cutting to the lithium cell module, so that welding mechanism welds the connection piece on the lithium cell module, can autoloading, cuts automatically, automatic weld, thereby when guaranteeing lithium cell module production, can weld the connection piece steadily, reduced the defective rate, practiced thrift the cost of labor, improved production efficiency.

Description

Lithium battery connection piece welding device
Technical Field
The application relates to a lithium battery production technology, more specifically says, in particular to lithium battery connection piece welding set.
Background
Lithium batteries are batteries using a nonaqueous electrolyte solution and using lithium metal or a lithium alloy as a negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n.lewis in 1912. In the 70 s of the 20 th century, m.s.whitetingham proposed and began to study lithium ion batteries. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of science and technology, lithium batteries have become the mainstream nowadays.
In the production of lithium battery module, utilize laser welding to accomplish the connection of module battery self, the connected mode between traditional module electricity core does, through punching press the connection piece in advance, then the manual work is put the connection piece between two electricity cores, then carries out laser welding again. However, because the connecting sheet needs to be processed in advance, and then manually placed and welded, the input labor cost is higher, the reject ratio is higher, and the production efficiency is lower.
Disclosure of Invention
The invention aims to provide a lithium battery connecting sheet welding device, which solves the problems of low efficiency of manual placement and welding of connecting sheets, and realizes automatic feeding, automatic cutting and automatic welding, so that the connecting sheets can be stably welded during production of a lithium battery module, the reject ratio is reduced, the labor cost is saved, and the production efficiency is improved.
In order to solve the above-mentioned problems, embodiments of the present invention provide the following technical solutions:
a welding device for a lithium battery connecting sheet,
comprises a frame, a feeding mechanism, a cutting mechanism, a welding mechanism and a conveying mechanism;
the feeding mechanism, the cutting mechanism, the welding mechanism and the conveying mechanism are arranged on the rack;
the feeding mechanism is used for conveying the connecting sheet to the cutting mechanism and the conveying mechanism;
the cutting mechanism is arranged between the feeding mechanism and the welding mechanism and is used for cutting the connecting sheet conveyed by the feeding mechanism;
the conveying mechanism is arranged on a welding station of the welding mechanism and used for conveying the cut connecting pieces to the lithium battery module, so that the connecting pieces are welded on the lithium battery module by the welding mechanism.
Through the technical scheme, carry the connection piece to the position department who cuts mechanism and conveying mechanism through feeding mechanism, it cuts the connection piece to cut the mechanism, conveying mechanism carries the connection piece after will cutting to the lithium cell module, then welding mechanism carries out welded work, autoloading has been realized, automatic cutting, automatic weld, thereby when guaranteeing lithium cell module production, need not to process the connection piece in advance, direct mode as the connection piece supplied materials with whole book, and cut the connection piece according to the connection piece length of needs in process of production, and more convenient and fast, and can carry out weldment work steadily, the defective rate has been reduced, the labor cost is saved, and the production efficiency is improved.
Further, the conveying mechanism comprises a first air cylinder and a pressing cylinder;
the first air cylinder is used for driving the pressing cylinder to move along the vertical direction;
the pressing cylinder is connected with a vacuum device to adsorb the connecting sheet.
Through the technical scheme, feeding mechanism carries the connection piece to the position department that cuts mechanism and conveying mechanism, the connection piece laminating is in the bottom surface of pressing a section of thick bamboo, it cuts when the mechanism cuts to cut, vacuum apparatus inhales the vacuum, press a section of thick bamboo to inhale tight connection piece, make the connection piece adsorb on pressing a section of thick bamboo after cutting, cut the completion back, vacuum apparatus aerifys to pressing a section of thick bamboo, make pressing a section of thick bamboo become zero atmospheric pressure or positive atmospheric pressure by the negative pressure, the connection piece breaks away from pressing a section of thick bamboo, make the connection piece laminating after cutting on lithium cell module, thereby when guaranteeing lithium cell module production, need not to process the connection piece in advance, direct mode with whole book is as the connection piece supplied materials, and cut the connection piece according to the connection piece length that needs in.
Further, lithium cell connection piece welding set is still including locating clamping mechanism in the frame, clamping mechanism set up in between feeding mechanism and the mechanism of cutting, clamping mechanism is used for the mechanism of cutting presss from both sides tight connection piece when cutting work.
Through above-mentioned technical scheme, when cutting, the difficult not hard up in connection piece material area makes cutting work more stable, and the cutting quality is higher.
Furthermore, the clamping mechanism is a clamping cylinder, and a clamping jaw of the clamping cylinder is provided with a clamping groove matched with the connecting sheet.
Through above-mentioned technical scheme, difficult not hard up when making the connection piece cut makes cutting work more stable, has further promoted the cutting quality.
Furthermore, lithium cell connection piece welding set is still including locating the deflector in the frame, be equipped with the guide way that matches with the connection piece on the deflector.
Through the technical scheme, the connecting sheet is not easy to deviate in the transmission process.
Further, the cutting mechanism comprises a second cylinder, a lower cutting knife, an upper cutting knife and a mounting plate, the second cylinder and the lower cutting knife are mounted on the mounting plate, and the upper cutting knife is connected with the output end of the second cylinder.
Through above-mentioned technical scheme, go up and cut the sword and can move about from top to bottom under the drive of second cylinder, go up when cutting the sword and cutting the sword laminating down, accomplish cutting of connection piece to when guaranteeing lithium battery module production, need not to process the connection piece in advance, directly regard as the connection piece supplied materials with the mode of whole book, and cut the connection piece according to the connection piece length of needs in process of production, more convenient and fast.
Furthermore, a pressing block is fixedly arranged on one side of the upper cutting knife.
Through above-mentioned technical scheme, when the second cylinder drive was gone up and is cut sword and cut the sword laminating down, the briquetting compressed tightly on the connection piece, and the connection piece is difficult not hard up when cutting, and cutting work is more stable, cuts the high quality.
Furthermore, the lower cutting knife is provided with a containing groove matched with the connecting sheet.
Through above-mentioned technical scheme, the difficult off normal of connection piece when cutting.
Furthermore, lithium cell connection piece welding set is still including locating moving mechanism in the frame, moving mechanism includes the third cylinder and receives third cylinder driven movable plate, clamping mechanism all is fixed with the movable plate with cutting the mechanism.
Through the technical scheme, when the clamping mechanism clamps the connecting sheet, the third cylinder drives the clamping mechanism and the cutting mechanism to move, so that the cutting mechanism moves to a cutting station close to the conveying mechanism, the connecting sheet is attached to the bottom end of the pressing cylinder, the vacuum device sucks vacuum, the pressing cylinder sucks the connecting sheet tightly, and then the cutting mechanism performs cutting operation.
Further, the feeding mechanism comprises a material tray and a motor.
Through above-mentioned technical scheme, need not to process the connection piece in advance, directly regard as the connection piece supplied materials with the mode of whole book to cut the connection piece in process of production, more convenient and fast.
Compared with the prior art, the embodiment of the invention mainly has the following beneficial effects:
the utility model provides a lithium cell connection piece welding set, carry the connection piece to the position department who cuts mechanism and conveying mechanism through feeding mechanism, it cuts the connection piece to cut the mechanism, conveying mechanism carries the connection piece after will cutting to the lithium cell module, then welding mechanism carries out welded work, autoloading has been realized, automatic cutting, automatic weld, thereby when guaranteeing lithium cell module production, need not to process the connection piece in advance, direct mode as the connection piece supplied materials with the whole book, and the connection piece length according to needs cuts the connection piece in process of production, and more convenient and fast, and can carry out weldment work steadily, the defective rate has been reduced, the labor cost is saved, and the production efficiency is improved.
Drawings
In order to illustrate the solution of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are some embodiments of the invention, and that other drawings may be derived from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic overall structure diagram of a lithium battery connection sheet welding device in an embodiment of the invention;
FIG. 2 is a schematic view showing the connection relationship between the moving mechanism and the cutting mechanism and the clamping mechanism according to the embodiment of the present invention;
FIG. 3 is a schematic structural view of a clamping mechanism in an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a cutting mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a conveying mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a pressing cylinder according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a welding mechanism in an embodiment of the invention.
Description of reference numerals:
1. a frame; 2. a feeding mechanism; 3. a cutting mechanism; 31. a second cylinder; 32. a lower cutting knife; 33. an upper cutting knife; 34. briquetting; 4. a welding mechanism; 5. a conveying mechanism; 51. a first cylinder; 52. pressing the cylinder; 6. a clamping mechanism; 7. a guide plate; 8. a moving mechanism; 81. a third cylinder; 82. and (5) moving the plate.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The terms "comprising" and "having," and any variations thereof, in the description and claims of the present invention and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential order.
In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The embodiment of the application provides a welding device for a lithium battery connecting sheet,
comprises a frame, a feeding mechanism, a cutting mechanism, a welding mechanism and a conveying mechanism;
the feeding mechanism, the cutting mechanism, the welding mechanism and the conveying mechanism are arranged on the rack;
the feeding mechanism is used for conveying the connecting sheet to the cutting mechanism and the conveying mechanism;
the cutting mechanism is arranged between the feeding mechanism and the welding mechanism and is used for cutting the connecting sheet conveyed by the feeding mechanism;
the conveying mechanism is arranged on a welding station of the welding mechanism and used for conveying the cut connecting pieces to the lithium battery module, so that the connecting pieces are welded on the lithium battery module by the welding mechanism.
The application provides a lithium battery connection piece welding set, carry the connection piece to the position department who cuts mechanism and conveying mechanism through feeding mechanism, it cuts the connection piece to cut the mechanism, conveying mechanism carries the connection piece after will cutting to the lithium battery module, then welding mechanism carries out welded work, autoloading has been realized, automatic cutting, automatic weld, thereby when guaranteeing lithium battery module production, need not to process the connection piece in advance, direct mode as the connection piece supplied materials with the whole book, and the connection piece length according to needs cuts the connection piece in process of production, and more convenient and fast, and can carry out weldment work steadily, the defective rate has been reduced, the cost of labor has been practiced thrift, and the production efficiency is improved.
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the relevant drawings.
A lithium battery connecting piece welding device is disclosed, as shown in figures 1 to 7,
comprises a frame 1, a feeding mechanism 2, a cutting mechanism 3, a welding mechanism 4 and a conveying mechanism 5;
the feeding mechanism 2, the cutting mechanism 3, the welding mechanism 4 and the conveying mechanism 5 are arranged on the rack 1;
the feeding mechanism 2 is used for conveying the connecting sheet to the cutting mechanism 3 and the conveying mechanism 5;
the cutting mechanism 3 is arranged between the feeding mechanism 2 and the welding mechanism 4 and is used for cutting the connecting sheet conveyed by the feeding mechanism 2;
and the conveying mechanism 5 is arranged on a welding station of the welding mechanism 4 and used for conveying the cut connecting sheet to the lithium battery module, so that the welding mechanism 4 welds the connecting sheet to the lithium battery module.
Carry the connection piece to the position department who cuts mechanism 3 and conveying mechanism 5 through feeding mechanism 2, cut mechanism 3 and cut the connection piece, conveying mechanism 5 carries the connection piece after cutting to the lithium cell module, then welding mechanism 4 carries out the welded work, autoloading has been realized, automatic cutting, automatic weld, thereby when guaranteeing lithium cell module production, need not to process the connection piece in advance, direct as the connection piece supplied materials with the mode of whole book, and cut the connection piece according to required connection piece length in process of production, and more convenient and fast, and can carry out weldment work steadily, the defective rate has been reduced, the labor cost is saved, and the production efficiency is improved.
In the embodiment of the invention, on the production line of the lithium battery module, the conveying mechanism 5 conveys the cut connecting pieces to the lithium battery module which needs to be welded at present, namely, a welding station of the production line, after the welding of the lithium battery module is finished, the conveying mechanism 5 is reset, and the transmission mechanism on the production line conveys the next group of lithium battery modules which need to be welded to the welding station, so that the automatic production of the lithium battery module is realized.
Specifically, as shown in fig. 3 and 4, the conveying mechanism 5 includes a first cylinder 51 and a pressing cylinder 52;
the first air cylinder 51 is used for driving the pressing cylinder 52 to move along the vertical direction;
the pressing cylinder 52 is connected to a vacuum device to absorb the connecting sheet.
The pressing cylinder 52 is provided with a through hole, the feeding mechanism 2 conveys the connecting sheet to the position of the cutting mechanism 3 and the conveying mechanism 5, the connecting sheet is attached to the bottom surface of the pressing cylinder 52, when the cutting mechanism 3 cuts, the vacuum device sucks vacuum, negative pressure is generated in the pressing cylinder 52, the pressing cylinder 52 sucks the connecting sheet material belt below, the cutting mechanism 3 cuts the connecting sheet material belt, the cut connecting sheet is adsorbed on the pressing cylinder 52, after the cutting is completed, the first air cylinder 51 drives the pressing cylinder 52 to move to a welding station of a production line, the vacuum device inflates air to the pressing cylinder 52, so that the negative pressure of the pressing cylinder 52 is changed into zero air pressure or positive air pressure, the connecting sheet is separated from the pressing cylinder 52, the cut connecting sheet is attached to the lithium battery module, then the welding mechanism 4 welds the lithium battery module, thereby ensuring that the connecting sheet does not need to be processed in advance when the lithium battery module is produced, the connecting sheet is, and the connecting piece is cut according to the required length of the connecting piece in the production process, so that the cutting method is more convenient and quicker.
Specifically, as shown in fig. 5, the welding device for the lithium battery connecting sheet further comprises a clamping mechanism 6 arranged on the rack 1, wherein the clamping mechanism 6 is arranged between the feeding mechanism 2 and the cutting mechanism 3, the clamping mechanism 6 is used for clamping the connecting sheet when the cutting mechanism 3 performs cutting operation, and when the cutting is performed, the connecting sheet material belt is not easy to loosen, so that the cutting operation is more stable, and the cutting quality is higher.
Clamping mechanism 6 is die clamping cylinder, die clamping cylinder's clamping jaw is equipped with the tight groove of clamp that matches with the connection piece, and difficult not hard up when making the connection piece cut makes cutting work more stable, has further promoted cutting quality.
Specifically as shown in fig. 6, the cutting mechanism 3 includes a second cylinder 31, a lower cutting knife 32, an upper cutting knife 33 and a mounting plate, the second cylinder 31 reaches the lower cutting knife 33, the lower cutting knife 32 is mounted on the mounting plate, the lower cutting knife 32 is fixed with the mounting plate, the upper cutting knife 33 is connected with the output end of the second cylinder 31, the upper cutting knife 33 is driven by the second cylinder 31, the upper cutting knife 33 can move up and down under the drive of the second cylinder 31, and when the upper cutting knife 33 is attached to the lower cutting knife 32, the cutting of the connecting piece is completed, so that when the lithium battery module is produced, the connecting piece does not need to be processed in advance, the connecting piece is directly taken as a connecting piece material in a whole roll mode, and the connecting piece is cut according to the required connecting piece length in the production process, which is more convenient and rapid.
A pressing block 34 is fixedly arranged on one side of the upper cutting knife 33, and when the second cylinder 31 drives the upper cutting knife 33 to be attached to the lower cutting knife 32, the pressing block 34 is pressed on the connecting piece, so that the connecting piece is not easy to loosen during cutting, the cutting work is more stable, and the cutting quality is high.
The lower cutting knife 32 is provided with a containing groove matched with the connecting sheet, and the connecting sheet is embedded in the containing groove and is not easy to deviate when being cut.
As shown in fig. 2, the lithium battery connection sheet welding device further comprises a guide plate 7 arranged on the frame 1, wherein a guide groove matched with the connection sheet is formed in the guide plate 7, so that the connection sheet is not prone to deviation in the transmission process.
Lithium cell connection piece welding set is still including locating moving mechanism 8 in the frame 1, moving mechanism 8 includes third cylinder 81 and receives third cylinder 81 driven movable plate 82, clamping mechanism 6 all is fixed with movable plate 82 with cutting mechanism 3, cuts on the connecting plate in the mechanism 3 is fixed in movable plate 82, movable plate 82 is fixed with the output end of third cylinder 81, and when clamping mechanism 6 presss from both sides tight connection piece, third cylinder 81 drive clamping mechanism 6 and cuts the mechanism 3 and remove, makes to cut mechanism 3 and remove to the station that cuts that is close to conveying mechanism 5, and the connection piece is laminated in the bottom of pressure section of thick bamboo 52, and vacuum apparatus inhales the vacuum, and pressure section of thick bamboo 52 inhales tight connection piece, then cuts the work that mechanism 3 cut again.
More preferably, the rack 1 is provided with a guide rail, the guide rail is arranged along a moving path of the moving plate 82, and the moving plate 82 is provided with a slider matched with the guide rail, so that the moving smoothness of the moving plate 82 is improved.
Feeding mechanism 2 includes charging tray and motor, is used for placing the connection piece coil stock on the charging tray, need not to process the connection piece in advance, directly regards as the connection piece supplied materials with the mode of whole book to connection piece length as required cuts the connection piece in process of production, and is more convenient and fast.
Specifically, as shown in fig. 7, the welding mechanism 4 is a standard galvanometer scanning laser welding machine, which adds a function of dynamically focusing laser on the basis of the original two-dimensional (X, Y-axis) galvanometer welding machine, and the dynamic focusing part is habitually called as the Z-axis, and the galvanometer scanning laser welding machine is also habitually called as a three-dimensional galvanometer welding machine. The welding speed of mirror scanning laser-beam welding machine shakes is fast, can carry out accurate location to the butt joint point through the mirror scanning that shakes to this shortens the time of processing, still has the advantage of stopping promptly simultaneously, and stress and deformation are little moreover, and welding laser shines the power density on lithium battery module surface very little, and it can melt the link plate material fast, has avoided being heated because the welding transmission and has leaded to lithium battery module to warp. The laser galvanometer welding is mainly controlled by a computer control system, workpieces which are difficult to weld manually can be welded through automatic welding, welding work can be stably carried out, and the reject ratio is reduced.
The galvanometer scanning laser welding machine mainly comprises a fiber laser and a three-dimensional galvanometer mechanism, and the working flow of the galvanometer scanning laser welding machine is as follows: the user imports a welding object graph, selects a welding object, the computer calculates according to the welding object graph to obtain a corresponding welding path, and after the welding path is interpolated, the data is used for controlling the execution equipment.
Compared with an X-Y plane laser scanning system machine, the galvanometer scanning laser welding machine has the following advantages that: the scanning speed is high, and the laser can move in a large range through the micro-angle deflection of the galvanometer; the positioning precision is high, and the precision of the equipment is ensured by using the position sensor and the design idea of a negative feedback loop; the noise is low, and the vibrating mirror hardly makes sound when rotating; the whole equipment can be positioned outside the processing material; the variable range of focal length is big, can accomplish the welding of lithium cell module in succession fast.
The specific working process is as follows: the feeding mechanism 2 sends out the connecting sheet, the clamping mechanism 6 clamps the connecting sheet, the third air cylinder 81 drives the clamping mechanism 6 and the cutting mechanism 3 to move, the cutting mechanism 3 moves to a cutting station close to the conveying mechanism 5, the connecting sheet is attached to the bottom end of the pressing cylinder 52, the vacuum device sucks vacuum, the pressing cylinder 52 sucks the connecting sheet tightly, then the cutting mechanism 3 cuts the connecting sheet, after the cutting is completed, the first air cylinder 51 drives the pressing cylinder 52 to move, the cut connecting sheet is attached to the lithium battery module, then the welding mechanism 4 performs welding, after the welding of the lithium battery module is completed, the first air cylinder 51 drives the pressing cylinder 52 to reset, a transmission mechanism on a production line conveys the next group of lithium battery modules to be welded to the welding station, the automatic production of the lithium battery modules is realized, the automatic feeding, the automatic cutting and the automatic welding are realized, and the production of the lithium battery modules is ensured, need not to process the connection piece in advance, directly regard as the connection piece supplied materials with the mode of whole book to cut the connection piece in process of production, more convenient and fast, and can carry out weldment work steadily, reduce the defective rate, practice thrift the cost of labor, improve production efficiency.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention without limiting its scope. This invention may be embodied in many different forms and, on the contrary, these embodiments are provided so that this disclosure will be thorough and complete. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications can be made, and equivalents may be substituted for elements thereof. All equivalent structures made by using the contents of the specification and the attached drawings of the invention can be directly or indirectly applied to other related technical fields, and are also within the protection scope of the patent of the invention.

Claims (10)

1. A lithium battery connecting sheet welding device is characterized in that,
comprises a frame, a feeding mechanism, a cutting mechanism, a welding mechanism and a conveying mechanism;
the feeding mechanism, the cutting mechanism, the welding mechanism and the conveying mechanism are arranged on the rack;
the feeding mechanism is used for conveying the connecting sheet to the cutting mechanism and the conveying mechanism;
the cutting mechanism is arranged between the feeding mechanism and the welding mechanism and is used for cutting the connecting sheet conveyed by the feeding mechanism;
the conveying mechanism is arranged on a welding station of the welding mechanism and used for conveying the cut connecting pieces to the lithium battery module, so that the connecting pieces are welded on the lithium battery module by the welding mechanism.
2. The lithium battery tab welding device according to claim 1,
the conveying mechanism comprises a first air cylinder and a pressing cylinder;
the first air cylinder is used for driving the pressing cylinder to move along the vertical direction;
the pressing cylinder is connected with a vacuum device to adsorb the connecting sheet.
3. The lithium battery tab welding device according to claim 1,
the lithium battery connecting sheet welding device further comprises a clamping mechanism arranged on the rack, the clamping mechanism is arranged between the feeding mechanism and the cutting mechanism, and the clamping mechanism is used for clamping the connecting sheet when the cutting mechanism performs cutting work.
4. The lithium battery tab welding device according to claim 3,
the clamping mechanism is a clamping cylinder, and a clamping jaw of the clamping cylinder is provided with a clamping groove matched with the connecting sheet.
5. The lithium battery tab welding device according to claim 1,
the lithium battery connecting piece welding device further comprises a guide plate arranged on the rack, and a guide groove matched with the connecting piece is formed in the guide plate.
6. The lithium battery tab welding device according to claim 1,
the cutting mechanism comprises a second cylinder, a lower cutting knife, an upper cutting knife and a mounting plate, the second cylinder reaches the lower cutting knife and is mounted on the mounting plate, and the upper cutting knife is connected with the output end of the second cylinder.
7. The lithium battery tab welding device according to claim 6,
and a pressing block is fixedly arranged on one side of the upper cutting knife.
8. The lithium battery tab welding device according to claim 6,
and the lower cutting knife is provided with a containing groove matched with the connecting sheet.
9. The lithium battery tab welding device according to claim 3,
the lithium battery connecting sheet welding device further comprises a moving mechanism arranged on the rack, the moving mechanism comprises a third cylinder and a moving plate driven by the third cylinder, and the clamping mechanism and the cutting mechanism are fixed with the moving plate.
10. The lithium battery tab welding device according to claim 1,
the feeding mechanism comprises a material tray and a motor.
CN201811603881.0A 2018-12-26 2018-12-26 Lithium battery connection piece welding device Active CN111360541B (en)

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CN205950121U (en) * 2016-07-04 2017-02-15 苏州市国之福自动化设备有限公司 A welding machine for battery connection piece
CN108202184A (en) * 2016-12-16 2018-06-26 刘厚德 The method that battery pack interpolar connects chip bonding machine and welding battery
CN107186392A (en) * 2017-04-20 2017-09-22 陈红 A kind of solar battery sheet automatic string welding machine welding shears alignment system
CN207127507U (en) * 2017-06-05 2018-03-23 博硕皓泽自动化设备无锡有限公司 Online busbar alignment cutting integration machine
CN107900506A (en) * 2017-12-28 2018-04-13 安徽智联投资集团有限公司 A kind of button lithium battery automatic butt-welding mechanism
CN108406328A (en) * 2018-05-22 2018-08-17 张金仙 Lithium battery welding machine
CN108555611A (en) * 2018-06-15 2018-09-21 无锡奥特维科技股份有限公司 A kind of battery strings busbar cutting apparatus and string welding machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113067027A (en) * 2021-03-30 2021-07-02 门杰 Two-sided automatic rigging machine of battery connection piece
CN113067027B (en) * 2021-03-30 2023-09-26 四川泰虹科技有限公司 Double-sided automatic laminating machine for battery connecting sheets

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