CN111673317B - Full-automatic negative electrode welding machine and battery - Google Patents
Full-automatic negative electrode welding machine and battery Download PDFInfo
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- CN111673317B CN111673317B CN202010387593.7A CN202010387593A CN111673317B CN 111673317 B CN111673317 B CN 111673317B CN 202010387593 A CN202010387593 A CN 202010387593A CN 111673317 B CN111673317 B CN 111673317B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/005—Devices for making primary cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model provides a full-automatic negative pole welding machine and battery, full-automatic negative pole welding machine includes: casing feeding system, electric core feeding system and electric core go into casing welding system, and casing feeding system is used for going into casing welding system with battery casing material loading to electric core on, and electric core feeding system is used for going into casing welding system with electric core material loading to electric core on, and casing welding system is gone into to electric core is used for welding the negative pole on the electric core on battery casing, and casing welding system is gone into to electric core still is used for impressing the electric core after the welding in the battery casing. According to the full-automatic negative electrode welding machine, the shell feeding system, the cell feeding system and the cell-in-shell welding system are arranged, so that cell feeding, cell shell feeding, cell negative electrode welding and cell-in-shell operation can be realized on the same whole machine equipment, a production mode of manually carrying out negative electrode welding operation on the button cell is replaced, and the mechanical automation level of negative electrode welding processing is improved.
Description
Technical Field
The invention relates to the technical field of battery production, in particular to a full-automatic cathode welding machine and a battery.
Background
With the continuous development of society and the continuous progress of science and technology, mechanical automatic production becomes a development trend, gradually replaces the traditional manual labor, and injects a new power source for the sustainable development of enterprises. Therefore, battery manufacturing enterprises also need to advance with time, actively promote technical transformation and vigorously develop mechanical automatic production through transformation and upgrading, so that the 'intelligent manufacturing' level of the enterprises is improved, and the sustainable development of the enterprises is realized.
In button cell's production and processing, need carry out welding operation to button cell's negative pole, wherein, button cell's negative pole welding needs process such as casing material loading, electric core material loading, the shell is gone into to the electric core, negative pole welding, these processes can generally adopt artifical manual or semi-automatic production and processing to accomplish, not only waste time and energy, production efficiency is also lower, and holistic production and processing precision is not high, therefore, how to improve button cell negative pole welded mechanical automation level, make the cost of labor reduce, the better negative pole welding equipment of equipment overall structure linkage nature, be the problem that technical staff in the field need solve.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a full-automatic cathode welding machine and a battery, wherein the full-automatic cathode welding machine can replace manual operation to perform cathode welding operation on a button battery, and the mechanical automation level of cathode welding processing is higher.
The purpose of the invention is realized by the following technical scheme:
a full-automatic negative electrode welding machine includes: the shell welding system comprises a shell feeding system, an electric core feeding system and an electric core entering shell welding system, wherein the shell feeding system is used for feeding a battery shell to the electric core entering shell welding system, the electric core feeding system is used for feeding the electric core to the electric core entering shell welding system, the electric core entering shell welding system is used for welding a negative pole on the electric core to the battery shell, and the electric core entering shell welding system is also used for pressing the welded electric core into the battery shell.
In one embodiment, the cell loading system comprises a cell loading device, a cell conveying flow line, a cell loading transfer manipulator, a tab bending device and a cell carrying manipulator, the battery cell loading device is used for loading a battery cell to the battery cell conveying assembly line, the battery cell loading transfer manipulator is arranged between the battery cell conveying assembly line and the lug bending device, the battery cell loading transfer manipulator is used for transferring the battery cells on the battery cell conveying production line to be placed on the lug bending device, the tab bending device is used for bending and processing tabs on the battery cell, the battery cell carrying manipulator is arranged between the tab bending device and the battery cell casing welding system, and the battery cell carrying manipulator is used for carrying the battery cell formed by bending the lug to the battery cell shell welding system.
In one embodiment, the battery cell feeding device includes a battery cell feeding machine, a battery cell feeding assembly and a battery cell feeding manipulator, a feeding bin and a discharging bin are sequentially disposed on the battery cell feeding machine, a tray jacking assembly is disposed in each of the feeding bin and the discharging bin, the battery cell feeding assembly is disposed on the battery cell feeding machine, the battery cell feeding assembly is used for pushing a tray at the feeding bin to the discharging bin, the battery cell feeding manipulator is disposed between the battery cell feeding machine and the battery cell conveying line, and the battery cell feeding manipulator is used for transferring and placing a battery cell on the discharging bin on the battery cell conveying line.
In one embodiment, the battery cell feeding assembly comprises a battery cell feeding module and a battery cell feeding push plate, the battery cell feeding module is arranged on the battery cell feeding machine platform, the battery cell feeding push plate is slidably arranged between the feeding bin and the discharging bin, the battery cell feeding module is connected with the battery cell feeding push plate, and the battery cell feeding module is used for driving the battery cell feeding push plate to perform reciprocating displacement between the feeding bin and the discharging bin.
In one embodiment, the cell feeding manipulator is provided with a plurality of cell feeding clamps, and the cell feeding clamps are used for clamping and fixing the cell.
In one embodiment, the welding system for the battery core to the shell includes a battery core to shell assembly line, a nickel sheet feeding device, a negative welding device and an overturning to shell device, the battery core to shell assembly line is disposed between the shell feeding system and the battery core feeding system, the nickel sheet feeding device, the negative welding device and the overturning to shell device are sequentially disposed along a conveying direction of the battery core to shell assembly line, the nickel sheet feeding device is used for feeding nickel sheets to the battery core to shell assembly line, the negative welding device is used for welding negative electrodes of the battery core on the battery core to shell assembly line, and the overturning to shell device is used for overturning the battery core on the battery core to shell assembly line so that the battery core is pressed into the battery shell.
In one embodiment, the cell-in-casing welding system further includes a plurality of turnover jigs, each turnover jig is disposed on the cell-in-casing assembly line at intervals, in one of the turnover jigs, a casing placing groove and a cell placing groove are formed in the turnover jig, the casing placing groove is used for placing a battery casing, and the cell placing groove is used for placing a cell.
In one embodiment, the turnover jig includes a housing carrying bottom plate and a cell carrying side plate, the cell carrying side plate is hinged to the housing carrying bottom plate, the housing placing groove is located on the housing carrying bottom plate, the cell placing groove is located on the cell carrying side plate, and the cell carrying side plate rotates relative to the housing carrying bottom plate, so that the cell placing groove is communicated with the housing placing groove.
In one embodiment, the nickel sheet feeding device comprises a nickel sheet coil tray, a nickel sheet cutting assembly and a nickel sheet feeding manipulator, the nickel sheet coil tray is used for feeding nickel sheets to the electrical core shell entering production line, the nickel sheet cutting assembly is used for cutting the nickel sheets on the nickel sheet coil tray, and the nickel sheet feeding manipulator is used for placing the cut nickel sheets on the electrical core shell entering production line.
A battery adopts the full-automatic negative electrode welding machine of any one of the embodiments to weld the negative electrode of the battery and a shell.
Compared with the prior art, the invention has at least the following advantages:
according to the full-automatic negative electrode welding machine, the shell feeding system, the cell feeding system and the cell-in-shell welding system are arranged, so that cell feeding, cell shell feeding, cell negative electrode welding and cell-in-shell operation can be realized on the same whole machine equipment, a production mode of manually carrying out negative electrode welding operation on the button cell is replaced, and the mechanical automation level of negative electrode welding processing is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a full-automatic cathode welding machine according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a shell feeding system of the full-automatic cathode welding machine in FIG. 1;
FIG. 3 is a schematic diagram of a cut-away assembly of the shell loading system of FIG. 2;
fig. 4 is a schematic structural diagram of a tab bending device of the full-automatic negative electrode welding machine in fig. 1;
FIG. 5 is a schematic structural diagram of an overturning jig of the full-automatic negative electrode welding machine in FIG. 1;
FIG. 6 is a schematic structural diagram of a negative electrode welding device of the full-automatic negative electrode welding machine in FIG. 1;
FIG. 7 is a schematic view of the negative electrode welding apparatus of FIG. 6 from another perspective;
fig. 8 is a schematic structural view of a rotating wheel of the negative electrode welding apparatus of fig. 6.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
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 herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It is noted that as used herein, reference to an element being "connected" to another element also means that the element is "in communication" with the other element, and fluid can be in exchange communication between the two.
As shown in fig. 1, a fully automatic negative electrode welder 10 in one embodiment includes: casing feeding system 100, electricity core feeding system 200 and electricity core income casing welding system 300, casing feeding system 100 is used for going into casing welding system 300 with battery casing material loading to electricity core on, electricity core feeding system 200 is used for going into casing welding system 300 with electricity core material loading to electricity core on, electricity core income casing welding system 300 is used for welding the negative pole on the electricity core on the battery casing, electricity core income casing welding system 300 still is used for impressing the electric core after the welding in the battery casing, so, can realize electric core material loading on same complete machine equipment, battery casing material loading, electricity core negative pole welding and electricity core go into casing operation, thereby replace the manual work to carry out the production mode of negative pole welding operation to button cell, make the mechanical automation level of negative pole welding process obtain improving.
As shown in fig. 1 and 2, in one embodiment, the shell loading system 100 includes: the circular assembly line 110, the bearing component 120 and the cutting-off component 130 are annular assembly lines, so that the bearing component can be subjected to circular feeding operation through the circular assembly line; the bearing assembly is used for bearing and placing the battery shell, so that the battery shell can be conveyed under the driving of the circulating assembly line; the cutting-off assembly is used for cutting off the bearing assembly in the empty loading state, so that the bearing assembly in the empty loading state can be cut off to the material returning position of the circulating assembly line.
As shown in fig. 2, in one embodiment, the circulation line 110 includes a feeding conveyor belt 111 and a return conveyor belt 112, wherein two ends of the feeding conveyor belt are respectively connected to two ends of the return conveyor belt; the feeding conveyor belt is used for feeding the bearing assembly, so that the battery shell on the bearing assembly can be conveyed to the corresponding feeding station, the material returning conveyor belt is used for returning the bearing assembly after the battery shell is fed, so that the bearing assembly in a no-load state can be conveyed to the feeding conveyor belt, and therefore the circular feeding operation is achieved. In this embodiment, pay-off conveyer belt and the mutual symmetry setting of feed back conveyer belt, so, can make overall structure compacter to improve the utilization ratio in whole space.
As shown in fig. 2, in one embodiment, the carrier assembly 120 includes a plurality of loading jigs 121, each of which is disposed on the circulating line, wherein a loading slot for placing a battery case is formed on one of the loading jigs.
The material loading jigs are respectively arranged on the circulating production line, so that circulating feeding operation can be performed through the feeding conveyor belt and the return conveyor belt; specifically, after the processing operation is completed at the last station, the battery shell is carried and placed on the material loading jig through manual work or a corresponding manipulator, so that the battery shell is positioned in the material loading groove, and the position of the battery shell can be limited through the material loading groove. The material loading jig for completing the placement of the battery shell carries out the material loading transfer of the battery shell to the corresponding station through the feeding of the feeding conveyor belt, and the material loading jig for completing the material loading transfer of the battery shell carries out the material return conveying through the material return conveyor belt, so that the circular material loading operation of the material loading jig is realized, the material loading operation can be uninterruptedly carried out on each material loading jig, and the linkage of the whole production and processing is improved.
As shown in fig. 2 and fig. 3, in one embodiment, the separating assembly 130 includes a fixture transferring platform 131, a first separating member 132 and a second separating member 133, the fixture transferring platform is disposed between the feeding conveyor belt and the returning conveyor belt, the fixture transferring platform is provided with a transferring channel, the transferring channel is respectively communicated with the feeding conveyor belt and the returning conveyor belt, the first separating member is used for pushing the material loading fixture on the feeding conveyor belt to the transferring channel, and the second separating member is used for pushing the material loading fixture on the transferring channel to the returning conveyor belt.
It should be noted that, a sensor for detecting the material-carrying jig in the empty-loading state is arranged on the feeding conveyor belt, for example, the sensor for detecting the material-carrying jig in the empty-loading state may be a photoelectric sensor, and by arranging a transmitting end for transmitting a signal and a receiving end for receiving a signal on the feeding conveyor belt, when the material-carrying jig passes through the photoelectric sensor, whether a battery casing is on the material-carrying jig can be detected through the transmitting end and the receiving end of the photoelectric sensor, when the material-carrying jig is provided with the battery casing, a signal emitted from the transmitting end can be blocked by the battery casing, so that the receiving end cannot receive the signal, and it indicates that the material-carrying jig is provided with the battery casing; when carrying material tool is empty load state, the signal that the transmitting terminal was emitted can wear the silo and is received by the receiving terminal, then show that carry and do not have battery case on the material tool, so, first piece that surely leaves moves according to the result that detects to carry the material tool propelling movement of empty load state to the tool on the revolving stage, and carry the material tool on the revolving stage of tool then surely leaves the piece propelling movement to returning the material conveyer belt through the second on, reach the automatic effect of rejecting the transfer of empty tool from this, make the continuity of whole production and processing obtain improving.
As shown in fig. 3, in one embodiment, the first separating element 132 includes a first separating driver 132a and a first separating slider 132b, the first separating driver is disposed on a side surface of the feeding conveyor belt, the first separating slider is connected to the first separating driver, and the first separating driver is configured to drive the first separating slider to perform reciprocating displacement toward the direction of the transfer table of the tool, so that the loading tool on the feeding conveyor belt is transferred to the transfer channel. In this embodiment, the first cut-off actuator is a pneumatic cylinder.
Further, a first jig through hole 132c and a first jig retaining groove 132d are formed in the first cutting slider 132b, the first jig through hole is communicated with the feeding conveyor belt, and the first jig retaining groove is communicated with the transfer channel.
It should be noted that, when the first separating piece is in a standby state, the first jig through hole is positioned on the feeding conveyor belt and is communicated with the feeding conveyor belt, so that the loading jig carrying the battery shell can pass through the first jig through hole, and the normal feeding operation of each loading jig is not influenced; when the sensor detects that the material carrying jig in the no-load state exists, the first deviation driver drives the first deviation sliding block to move, the first jig material blocking groove is located on the feeding conveying belt, at the moment, the material carrying jig in the no-load state moves into the first jig material blocking groove under the conveying of the feeding conveying belt, the material carrying jig in the no-load state is limited in position through the first jig material blocking groove, at the moment, the first deviation driver drives the first deviation sliding block to reset, the material carrying jig in the no-load state is moved to a transfer channel of a rotary table in the jig, and therefore the material carrying jig in the no-load state is removed and transferred.
The casing feeding system 100 is provided with the circulation assembly line 110, the bearing assembly 120 and the cutting assembly 130, so that manual feeding operation of the battery casing can be replaced, and the battery casing can be moved to the position where the battery core enters the casing welding system 300 to perform the battery casing feeding operation.
As shown in fig. 1, in one embodiment, the battery cell loading system 200 includes a battery cell loading device 210, a battery cell conveying line 220, a battery cell loading transfer manipulator 230, a tab bending device 240, and a battery cell handling manipulator 250, the battery cell loading device is configured to load a battery cell onto the battery cell conveying line, the battery cell loading transfer manipulator is disposed between the battery cell conveying line and the tab bending device, the battery cell loading transfer manipulator is configured to transfer the battery cell on the battery cell conveying line onto the tab bending device, the tab bending device is configured to bend the tab on the battery cell, the battery cell handling manipulator is disposed between the tab bending device and the battery cell casing welding system, the battery cell handling manipulator is configured to handle the battery cell formed by bending the tab onto the battery cell casing welding system, so as to implement the loading operation of the battery cell, the battery cell can be transferred to the battery cell placing casing welding system, so that the manual production and processing mode is replaced, and the mechanical degree of the whole equipment is higher.
As shown in fig. 1, in one embodiment, the battery cell loading device 210 includes a battery cell loading platform 211, a battery cell feeding assembly 212, and a battery cell feeding manipulator 213, the battery cell loading platform 211 is sequentially provided with an upper material bin 211a and a lower material bin 211b, the upper material bin 211a and the lower material bin 211b are both provided with a material tray lifting assembly, the battery cell feeding assembly 212 is disposed on the battery cell loading platform 211, the battery cell feeding assembly 212 is configured to push a material tray at the upper material bin 211a to the lower material bin 211b, the battery cell feeding manipulator 213 is disposed between the battery cell loading platform 211 and the battery cell conveying line 220, and the battery cell feeding manipulator 213 is configured to transfer a battery cell on the lower material bin 211b to the battery cell conveying line 220.
It should be noted that, in the actual production and processing operation, on the corresponding charging tray was placed to electric core, the charging tray that respectively was equipped with electric core was put into feed bin 211a through the shallow in, and also was provided with corresponding shallow in feed bin 211b, at this moment, the charging tray group in the feed bin 211a was born fixedly through charging tray jacking subassembly, and charging tray jacking subassembly can have motor screw jacking structure to constitute, can carry out lifting drive to the charging tray group from this. When a tray group in the upper stock bin 211a moves onto the battery cell feeding machine table 211 through the tray jacking assembly, the battery cell feeding assembly 212 pushes a tray positioned at the topmost part of the upper stock bin 211a to the lower stock bin 211b, and at the moment, the tray jacking assembly at the lower stock bin 211b carries out bearing and fixing, so that a battery cell on the lower stock bin 211b can be transferred and placed on the battery cell conveying assembly line 220 through the battery cell feeding manipulator 213; after the operation of transferring the electric core is accomplished to the charging tray of feed bin 211b department down, the charging tray jacking subassembly drives the charging tray of feed bin 211b department and descends, can be located next charging tray propelling movement to feed bin 211b department down of feed bin 211a department through electric core feeding component 212 from this to can carry out incessant material loading operation to electric core, improve the continuity of production and processing from this.
Referring to fig. 1 again, in one embodiment, the cell feeding assembly 212 includes a cell feeding module 212a and a cell feeding push plate 212b, the cell feeding module is disposed on the cell feeding machine, the cell feeding push plate is slidably disposed between the feeding bin and the discharging bin, the cell feeding module is connected to the cell feeding push plate, and the cell feeding module is configured to drive the cell feeding push plate to perform reciprocating displacement between the feeding bin and the discharging bin. In this embodiment, electric core pay-off module 212a can be step motor sideslip structure, so, can drive the mode that electric core pay-off push pedal 212b carried out the sideslip through electric core pay-off module 212a for the charging tray of going up feed bin department can shift to down in the feed bin.
Referring to fig. 1 again, in one embodiment, a plurality of cell feeding clamps are disposed on the cell feeding manipulator 213, and the cell feeding clamps are used to clamp and fix a cell, so that the cell feeding manipulator 213 can transfer and place a plurality of cells at the same time, thereby improving the efficiency of production and processing.
Referring again to fig. 1, in one embodiment, the cell conveying line 220 is a straight line, so that the cells can be conveyed. Be provided with the CCD detector on electric core conveying assembly line 220, so, can detect the utmost point ear of electric core through the CCD detector to can discern the crooked defective products of utmost point ear, then take out the transfer from electric core conveying assembly line 220 through the defective products electric core that electric core material loading transfer manipulator 230 will discern again, can improve the quality of whole production and processing from this. In this embodiment, the cell loading and transferring robot 230 is a turntable robot.
Referring again to fig. 4, in one embodiment, the tab bending apparatus 240 includes: bending jig 241 and bending linkage 242, bending jig 241 include bending locating piece 241a and bending briquetting 241b, and the locating piece that bends sets up with bending briquetting relatively, is provided with utmost point ear bending district between bending locating piece and the bending briquetting.
Further, the bending linkage device 242 includes a positioning driving assembly 242a, a pressing driving assembly 242b and a linkage assembly 242c, the positioning driving assembly is connected to the bending positioning block, the pressing driving assembly is connected to the bending pressing block, the linkage assembly is respectively connected to the positioning driving assembly and the pressing driving assembly, and the linkage assembly is used for driving the positioning driving assembly and the pressing driving assembly to perform linkage operation, so that the bending positioning block and the bending pressing block move close to or away from each other.
It should be noted that the cell loading and transferring manipulator 230 is further configured to place a good cell on a corresponding turntable station, so that the cell is moved to the tab bending device 240 by a turntable rotation feeding manner. Particularly, utmost point ear bending device is through the locating piece that will bend and the relative setting of briquetting of bending, and be provided with utmost point ear bending area between the locating piece of bending and the briquetting of bending, so, when battery tab moves the utmost point ear bending and distinguishes, linkage assembly drives location drive assembly and carries out linkage operation with pressfitting drive assembly, make location drive assembly drive the locating piece of bending move to the direction of the briquetting of bending, pressfitting drive assembly drives the briquetting of bending and moves to the direction of the locating piece of bending, from this through the locating piece of bending and the briquetting of bending with utmost point ear pressfitting shaping, it is higher to have the plastic efficiency of wholly bending, the good advantage of overall structure linkage.
As shown in fig. 4, in one embodiment, the positioning driving assembly 242a includes a positioning push rod 242a1 and a positioning swing rod 242a2, one end of the positioning push rod is connected to the bending positioning block, the other end of the positioning push rod is hinged to the positioning swing rod, the positioning swing rod is connected to a linkage assembly, and the linkage assembly is configured to drive the positioning swing rod to rotate, so that the positioning push rod drives the bending positioning block to move toward the bending pressing block.
Further, the positioning driving assembly 242a further includes a return spring 242a3, and the return spring is connected to an end of the positioning swing link far away from the positioning push rod.
It should be noted that, in the actual production and processing, the positioning push rod is arranged on the corresponding workbench, so that the bending positioning block can be driven by the positioning push rod to slide in a reciprocating manner; because the two ends of the positioning swing rod are respectively connected with the positioning push rod and the linkage assembly, the positioning swing rod can be driven to rotate by the linkage assembly, so that the bending positioning block on the positioning push rod is driven to perform reciprocating displacement towards the direction of the bending pressing block by the rotating operation of the positioning swing rod, and the bending moving operation of the bending positioning block can be realized; furthermore, one end of a return spring is connected with one end, far away from the positioning push rod, of the positioning swing rod, the other end of the return spring is connected with the corresponding workbench, and therefore when the positioning swing rod rotates to push out the bending positioning block on the positioning push rod, the return spring can enable the positioning swing rod to rotate in a reset mode relative to the workbench, and therefore the bending positioning block on the positioning push rod is enabled to reset. The positioning driving assembly is provided with the positioning push rod, the positioning swing rod and the reset spring, so that the bending positioning block can be driven to perform tab bending operation in a rigid connection mode, and the tab bending device has the advantages of being compact in overall structure and high in linkage.
As shown in fig. 4, in one embodiment, the pressing driving assembly 242b includes a pressing pushing rod 242b1 and a pressing swinging rod 242b2, one end of the pressing pushing rod is connected to the bending pressing block, the other end of the pressing pushing rod is hinged to the pressing swinging rod, the pressing swinging rod is connected to a linking assembly, and the linking assembly is configured to drive the pressing swinging rod to rotate, so that the pressing pushing rod drives the bending pressing block to move toward the bending positioning block. Further, the stitching driving assembly 242b further includes a stitching spring 242b3, and the stitching spring is connected to an end of the stitching swing rod away from the stitching push rod.
It should be noted that, in the actual production and processing, the pressing push rod is arranged on the corresponding workbench, so that the bending press block can be driven by the pressing push rod to slide in a reciprocating manner; the two ends of the pressing swing rod are respectively connected with the pressing push rod and the linkage assembly, so that the pressing swing rod can be driven to rotate through the linkage assembly, the bending press block on the pressing push rod is driven to perform reciprocating displacement towards the direction of the bending positioning block through the rotating operation of the pressing swing rod, and the bending moving operation of the bending press block can be realized; furthermore, one end of the press-fit spring is connected with one end, far away from the press-fit push rod, of the press-fit swing rod, and the other end of the press-fit spring is connected with the corresponding workbench, so that after the press-fit swing rod rotates to push out the bending pressing block on the press-fit push rod, the press-fit swing rod can be enabled to reset and rotate relative to the workbench through the press-fit spring, and the bending pressing block on the press-fit push rod is enabled to reset. The pressing driving assembly is provided with the pressing push rod, the pressing swing rod and the pressing spring, so that the pressing block can be driven to bend in a rigid connection mode to conduct tab bending operation, and the pressing driving assembly has the advantages of being compact in overall structure and high in linkage.
As shown in fig. 4, in one embodiment, the linking assembly 242c includes a driving shaft 242c1, a driven shaft 242c2, a first linking cam 242c3 and a second linking cam 242c4, the driving shaft and the driven shaft are disposed in parallel, the positioning swing link and the stitching swing link are respectively sleeved on the driven shaft, the first linking cam and the second linking cam are respectively sleeved on the driving shaft, the positioning swing link is provided with a first cam follower, the stitching swing link is provided with a second cam follower, the first cam follower abuts against the first linking cam, and the second cam follower abuts against the second linking cam.
It should be noted that the driving shaft and the driven shaft are respectively arranged on the corresponding machine table, and one end of the driving shaft is provided with a synchronizing wheel, so that the driving shaft can be connected with an external motor or a synchronous belt through the synchronizing wheel, and the driving shaft can be rotated. Specifically, the positioning swing rod and the pressing swing rod are respectively sleeved on the driven shaft, so that the positioning swing rod and the pressing swing rod can swing through the rotation of the driven shaft, and the bending positioning block and the bending pressing block can move close to or away from each other; furthermore, the first linkage cam and the second linkage cam are respectively sleeved on the driving shaft, a first cam follower is arranged on the positioning swing rod, a second cam follower is arranged on the pressing swing rod, the first cam follower abuts against the first linkage cam, the second cam follower abuts against the second linkage cam, and thus, when the driving shaft rotates, the first linkage cam and the second linkage cam can be driven to rotate, because the first cam follower is propped against the first linkage cam and the first cam follower is arranged on the positioning swing rod, therefore, by designing the cam surface of the first interlocking cam so that the first cam follower moves along the cam surface of the first interlocking cam, therefore, the swing control of the positioning swing rod can be realized, and the control of the motion track of the bending positioning block is further realized; similarly, because the second cam follower is abutted against the second linkage cam, and the second cam follower is arranged on the pressing swing rod, the second cam follower can move along the cam surface of the second linkage cam by designing the cam surface of the second linkage cam, so that the swing control of the pressing swing rod can be realized, and the movement track of the bending press block can be controlled. Above-mentioned linkage assembly is through setting up driving shaft, driven shaft, first linkage cam and second linkage cam to can carry out rigidity synchronous connection with location drive assembly and pressfitting drive assembly, make location drive assembly and pressfitting drive assembly can carry out the linkage operation, replace the free control mode of a plurality of cylinders among the prior art from this, make overall structure compacter, and the continuity of whole production and processing is higher, thereby make whole production efficiency and processingquality obtain improving.
The battery cell after the lug is bent is moved to the battery cell carrying manipulator 250 through the turntable on the turntable station, and then the battery cell after the lug is bent is transferred and placed at the battery cell inlet shell welding system 300 through the battery cell carrying manipulator 250, so that the battery cell loading operation is realized.
As shown in fig. 1, the battery cell entering casing welding system 300 includes a battery cell entering casing assembly line 310, a nickel sheet feeding device 320, a negative electrode welding device 330 and an overturning casing entering device 340, the battery cell entering casing assembly line is arranged between the casing feeding system and the battery cell feeding system, the nickel sheet feeding device, the negative electrode welding device and the overturning casing entering device are sequentially arranged along the conveying direction of the battery cell entering casing assembly line, the nickel sheet feeding device is used for feeding the nickel sheet to the battery cell entering casing assembly line, the negative electrode welding device is used for performing negative electrode welding on the battery cell entering casing assembly line, the overturning casing entering device is used for overturning the battery cell entering the casing assembly line, so that the battery cell is pressed into the battery casing.
As shown in fig. 1 and fig. 5, the welding system 300 further includes a plurality of turning jigs 350, each turning jig is disposed on the assembly line of the electric core casing, and in one of the turning jigs, a casing placing groove and a battery cell placing groove are disposed on the turning jig, the casing placing groove is used for placing a battery casing, and the battery cell placing groove is used for placing an electric core.
It should be noted that, the casing feeding system 100 places the battery casing on the casing bearing bottom plate 351, and performs limiting and fixing on the battery casing through the casing placing groove on the casing bearing bottom plate 351, the electric core feeding system 200 places the battery core feeding on the electric core bearing side plate 352, and performs limiting and fixing on the electric core through the electric core placing groove on the electric core bearing side plate 352, so that the battery casing and the electric core can be conveyed on the electric core entering casing assembly line 310.
As shown in fig. 1 and fig. 5, the turning fixture 350 further includes a rotation shaft 353, a gear 354 and a rack 355, the rotation shaft is connected to the cell carrying side plate, the gear is connected to one end of the rotation shaft, the rack 230 is engaged with the gear, and the rack is used for driving the gear to rotate, so that the cell carrying side plate on the rotation shaft rotates relative to the housing carrying bottom plate.
It should be noted that, when electric core bearing side plate and casing bearing bottom plate placed electric core and battery casing respectively, shell device 340 promoted the operation to the rack was gone into in the upset to it is rotatory to drive the gear, because the gear is connected with the one end that rotates the axostylus axostyle, and rotates the axostylus axostyle and bear the curb plate with electric core and be connected, so, can drive through the gear and rotate the axostylus axostyle and rotate, realize bearing the rotation operation of curb plate to electric core from this. In this embodiment, the shell turning device 340 may be a push rod structure or a cam structure.
As shown in fig. 1 and fig. 5, in one embodiment, the turning fixture 350 further includes a bushing 356 and a restoring elastic member 357, the bushing is disposed on the housing bearing bottom plate, one end of the rack is slidably disposed in the bushing, the restoring elastic member is disposed on the rack, and the restoring elastic member is respectively abutted against the rack and the bushing. In this embodiment, the return elastic member is a spring.
The bushing is arranged on the shell bearing bottom plate, so that the rack can be installed and fixed, and one end of the rack is slidably arranged in the bushing in a penetrating manner, so that the pushing operation of the rack is more stable; after the rack drives the gear to rotate, because the elastic component that resets is compression state, consequently, can drive the rack through the elastic component that resets and reset the operation, can drive the gear from this and carry out the reversal to it realizes the upset that resets to make electric core bear the curb plate.
As shown in fig. 1, in one embodiment, the nickel sheet feeding device 320 includes a nickel sheet material tray, a nickel sheet cutting assembly, and a nickel sheet feeding manipulator, wherein the nickel sheet material tray is used for feeding nickel sheets to the electrical core casing assembly line, the nickel sheet cutting assembly is used for cutting nickel sheets on the nickel sheet material tray, and the nickel sheet feeding manipulator is used for placing the cut nickel sheets on the electrical core casing assembly line.
It should be noted that, the nickel sheet coiling tray conveys the nickel sheet towards the direction of the electrical core entering shell assembly line 310, and the nickel sheet is sucked and fixed by the nickel sheet feeding mechanical arm, and then the nickel sheet is cut off by the cutter on the cutting assembly, so that the nickel sheet feeding mechanical arm can place the cut nickel sheet into the corresponding battery shell on the electrical core entering shell assembly line 310, thereby completing the nickel sheet feeding operation. After the nickel sheet feeding is completed, the cell casing assembly line 310 conveys the turnover jig 350 to the negative welding device 330 for performing a negative welding operation.
As shown in fig. 6, 7 and 8, in one embodiment, the negative electrode welding device 330 includes: the welding assembly 331 comprises a fixing plate 331a and a welding needle group 331b, the welding needle group is slidably arranged on the fixing plate, and the welding needle group is used for welding the cathode of the battery cell; the welding lifting assembly 332 comprises a rotating wheel 332a, a lifting abutting piece 332b and a connecting block 332c, the rotating wheel is provided with a cam groove 332a1, one end of the lifting abutting piece abuts against the cam groove, the other end of the lifting abutting piece is connected with the connecting block, the connecting block is connected with the welding pin group, and when the rotating wheel rotates relative to the fixing plate, the rotating wheel is used for driving the lifting abutting piece to perform lifting motion along the cam groove so that the welding pin group performs reciprocating displacement on the fixing plate.
The fixing plate is used for installing and placing the welding needle group, and the welding needle group is arranged on the fixing plate in a sliding manner, so that the welding needle group can move up and down on the fixing plate, and the welding needle group can descend to a corresponding station to weld the battery cathode; concretely, the welding lifting unit is including rotating the wheel, go up and down to support and hold piece and connecting block, it has seted up cam groove 332a1 on the wheel to rotate, the one end that goes up and down to support the piece offsets with cam groove 332a1, the other end that goes up and down to support the piece is connected with the connecting block, the connecting block is connected with welding needle group, so, when rotating wheel relatively fixed plate and carrying out swivelling joint, the one end that goes up and down to support the piece can move along cam groove 332a 1's design orbit, thereby make the lift support the piece and can drive the connecting block and carry out the lift displacement, and the connecting block is connected with welding needle group, can drive welding needle group and carry out the elevating movement from this, thereby can carry out welding process to the battery negative pole through welding needle group.
After the negative electrode welding process is completed, the cell in-shell assembly line 310 moves the turnover jig 350 to the place where the shell device 340 is turned over, and the shell device 340 is turned over to drive the turnover jig 350 to realize the turnover operation, so that the cell can be turned over and pressed into the battery shell. After the cell overturning operation is completed, the cell in-shell assembly line 310 continues to drive the overturning jig 350 to move, so that the battery is conveyed to the short-circuit testing device for short-circuit testing, and the cell and the battery shell which pass the short-circuit testing are transferred to subsequent stations by the discharging assembly line for processing production, thereby realizing the full-automatic production and processing operation of cell cathode welding.
The application also provides a battery, adopt above-mentioned any embodiment the full-automatic negative pole welding machine carry out the welding of battery negative pole and casing, promptly, weld the battery negative pole on battery case through the full-automatic negative pole welding machine, can make the battery quality of producing and processing effectively improve from this.
Compared with the prior art, the invention has at least the following advantages:
according to the full-automatic negative electrode welding machine 10, the shell feeding system 100, the cell feeding system 200 and the cell-in-shell welding system 300 are arranged, so that cell feeding, battery shell feeding, cell negative electrode welding and cell-in-shell operation can be realized on the same whole machine equipment, a production mode of manually carrying out negative electrode welding operation on the button battery is replaced, and the mechanical automation level of negative electrode welding processing is improved.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. The utility model provides a full-automatic negative pole welding machine which characterized in that includes: the welding system comprises a shell feeding system, an electric core feeding system and an electric core-in-shell welding system, wherein the shell feeding system is used for feeding a battery shell onto the electric core-in-shell welding system, the electric core feeding system is used for feeding the electric core onto the electric core-in-shell welding system, the electric core-in-shell welding system is used for welding a negative electrode on the electric core onto the battery shell, and the electric core-in-shell welding system is also used for pressing the welded electric core into the battery shell;
the cell in-shell welding system comprises a cell in-shell assembly line, a nickel sheet feeding device, a negative welding device and an overturning and shell entering device, wherein the cell in-shell assembly line is arranged between the shell feeding system and the cell feeding system, the nickel sheet feeding device, the negative welding device and the overturning and shell entering device are sequentially arranged along the conveying direction of the cell in-shell assembly line, the nickel sheet feeding device is used for feeding nickel sheets onto the cell in-shell assembly line, the negative welding device is used for carrying out negative welding on cells on the cell in-shell assembly line, and the overturning and shell entering device is used for overturning the cells on the cell in-shell assembly line so as to press the cells into a cell shell;
the welding system for the battery core to the shell also comprises a plurality of overturning jigs, wherein each overturning jig is arranged on the assembly line for the battery core to the shell at intervals, a shell placing groove and a battery core placing groove are formed in one overturning jig, the shell placing groove is used for placing a battery shell, and the battery core placing groove is used for placing a battery core;
the overturning jig comprises a shell bearing bottom plate and a cell bearing side plate, the cell bearing side plate is hinged to the shell bearing bottom plate, a shell placing groove is located in the shell bearing bottom plate, the cell placing groove is located in the cell bearing side plate, the cell bearing side plate is opposite to the shell bearing bottom plate, and therefore the cell placing groove is communicated with the shell placing groove.
2. The full-automatic negative electrode welding machine of claim 1, wherein the cell loading system comprises a cell loading device, a cell conveying line, a cell loading transfer manipulator, a tab bending device and a cell carrying manipulator, the battery cell loading device is used for loading a battery cell to the battery cell conveying assembly line, the battery cell loading transfer manipulator is arranged between the battery cell conveying assembly line and the lug bending device, the battery cell loading transfer manipulator is used for transferring the battery cells on the battery cell conveying production line to be placed on the lug bending device, the tab bending device is used for bending and processing tabs on the battery cell, the battery cell carrying manipulator is arranged between the tab bending device and the battery cell casing welding system, and the battery cell carrying manipulator is used for carrying the battery cell formed by bending the lug to the battery cell shell welding system.
3. The full-automatic negative pole welding machine of claim 2, characterized in that, electric core loading attachment includes electric core material loading board, electric core pay-off subassembly and electric core pay-off machinery hand, feed bin and feed bin under and have been seted up in proper order on the electric core material loading board, go up the feed bin with all be provided with charging tray jacking subassembly in the feed bin down, electric core pay-off subassembly set up in on the electric core material loading board, electric core pay-off subassembly be used for with the charging tray propelling movement of feed bin department extremely feed bin department down, electric core pay-off machinery hand set up in electric core material loading board with between the electric core conveying assembly line, electric core pay-off machinery hand be used for with the electric core that goes up on the feed bin shifts and places on the electric core conveying assembly line.
4. The full-automatic negative pole welding machine of claim 3, characterized in that, electric core pay-off subassembly includes electric core pay-off module and electric core pay-off push pedal, electric core pay-off module set up in on the electric core material loading board, electric core pay-off push pedal slide set up in go up the feed bin with down between the feed bin, electric core pay-off module with electric core pay-off push pedal is connected, electric core pay-off module is used for driving electric core pay-off push pedal is in go up the feed bin with carry out reciprocating type displacement between the feed bin down.
5. The full-automatic negative electrode welding machine of claim 3, wherein a plurality of cell feeding clamps are arranged on the cell feeding manipulator, and the cell feeding clamps are used for clamping and fixing the cells.
6. The full-automatic negative electrode welding machine of claim 1, wherein the nickel sheet feeding device comprises a nickel sheet coiling tray, a nickel sheet cutting assembly and a nickel sheet feeding manipulator, the nickel sheet coiling tray is used for feeding nickel sheets to the electric core shell entering production line, the nickel sheet cutting assembly is used for cutting the nickel sheets on the nickel sheet coiling tray, and the nickel sheet feeding manipulator is used for placing the cut nickel sheets on the electric core shell entering production line.
7. The battery is characterized in that the welding of the battery cathode and the shell is carried out by using the full-automatic cathode welding machine as claimed in any one of claims 1 to 6.
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| CN116742099A (en) * | 2023-05-24 | 2023-09-12 | 广东东博智能装备股份有限公司 | Battery welds access shell encapsulation equipment |
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