CN110350138B - Stacked core tab pre-welding device - Google Patents
Stacked core tab pre-welding device Download PDFInfo
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- CN110350138B CN110350138B CN201910658958.2A CN201910658958A CN110350138B CN 110350138 B CN110350138 B CN 110350138B CN 201910658958 A CN201910658958 A CN 201910658958A CN 110350138 B CN110350138 B CN 110350138B
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- 238000003466 welding Methods 0.000 title claims abstract description 95
- 230000007246 mechanism Effects 0.000 claims abstract description 195
- 238000005520 cutting process Methods 0.000 claims abstract description 64
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 34
- 238000005096 rolling process Methods 0.000 claims description 11
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 12
- 230000001012 protector Effects 0.000 description 7
- 238000003475 lamination Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
- B23D15/02—Shearing machines or shearing devices cutting by blades which move parallel to themselves having both upper and lower moving blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
- B23D15/04—Shearing machines or shearing devices cutting by blades which move parallel to themselves having only one moving blade
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/02—Pressure butt welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- 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
- H01M10/045—Cells or batteries with folded plate-like electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
The invention relates to a pre-welding device for stacked core lugs, which mainly comprises: the device comprises a feeding mechanism, a leveling mechanism, a pulling mechanism, a fixed-length cutting mechanism, a transferring mechanism and a welding mechanism. The feeding mechanism is used for providing a protection sheet; the leveling mechanism is arranged at the downstream side of the protective sheet feeding mechanism and is used for leveling the protective sheet by extrusion; the material pulling mechanism is arranged at the downstream side of the protection sheet leveling mechanism and is used for pulling the protection sheet towards a certain direction so as to enable the protection sheet to move; the fixed-length cutting mechanism is arranged at the downstream side of the protection sheet pulling mechanism and is used for cutting the protection sheet to a fixed length; the transfer mechanism is used for transferring the protection sheet cut by the protection sheet fixed-length cutting mechanism to the welding station; the welding mechanism is used for welding the protection sheet on the laminated core tab. The pre-welding device for the laminated core lug can automatically finish the work of welding the protection sheet on the laminated core lug. Each mechanism is reasonable in layout and high in production efficiency.
Description
Technical Field
The invention relates to the technical field of core lamination production, in particular to a core lamination tab pre-welding device.
Background
In the production process of the laminated core of the battery, the laminated core tab needs to be subjected to pre-welding treatment, namely, the protection sheet needs to be welded on the laminated core tab. The degree of automation of the pre-welding equipment in the traditional technology is not high, and many stations need to be completed manually. Resulting in lower production efficiency.
Disclosure of Invention
Based on the above, it is necessary to provide a stacked tab pre-welding device for solving the problem that the automation degree of the conventional pre-welding equipment is not high.
A stacked tab pre-welding device, comprising:
The protection sheet feeding mechanism is used for providing protection sheets;
The protection sheet leveling mechanism is arranged at the downstream side of the protection sheet feeding mechanism and is used for leveling the protection sheet by extrusion;
the protection sheet pulling mechanism is arranged at the downstream side of the protection sheet leveling mechanism and used for pulling the protection sheet towards a certain direction to move the protection sheet;
the protection piece fixed-length cutting mechanism is arranged at the downstream side of the protection piece pulling mechanism and is used for cutting the protection piece to a fixed length;
The protection sheet transferring mechanism is used for transferring the protection sheet cut by the protection sheet fixed-length cutting mechanism to the welding station;
The protection piece welding mechanism is used for welding the protection piece on the laminated core lug.
The pre-welding device for the laminated core lug can automatically finish the work of welding the protection sheet on the laminated core lug. Each mechanism is reasonable in layout and high in production efficiency.
In one embodiment, the welding device for the laminated core tab further comprises a pressing mechanism, wherein the pressing mechanism is arranged on one side of the welding mechanism for protecting the tab, and is used for pressing the root of the laminated core tab when the protecting tab is welded.
In one embodiment, the pressing mechanism comprises a support, a pressing head and a pressing head driving assembly, the support comprises a plurality of support rods which are sequentially connected, an included angle between every two adjacent support rods is 90 degrees, the pressing head driving assembly is arranged on the support rod positioned at the end part of the support, and the pressing head is arranged on the pressing head driving assembly and driven by the pressing head driving assembly to move up and down.
In one embodiment, the protective sheet feeding mechanism includes:
the turntable assembly is used for bearing the rolled protection sheets;
And the conveying roller assembly is used for conveying the protection sheet to the protection sheet leveling mechanism.
In one embodiment, the protection sheet leveling mechanism includes: two sets of leveling rollers that set up from top to bottom and two briquetting that set up from top to bottom, the protection piece passes the back by between two sets of leveling rollers and gets into the gap between two briquetting.
In one embodiment, the protection sheet pulling mechanism includes:
a clamping assembly for clamping the packaging sheet;
the clamping assembly driving mechanism is used for driving the clamping assembly to move towards a certain direction and comprises a first servo motor and a transmission assembly connected with the first servo motor, and the clamping assembly is connected with the transmission assembly.
In one embodiment, the protection sheet fixed length cutting mechanism includes: the cutting device comprises a first upper cutter, a first upper cutter driving assembly, a first lower cutter and a supporting table, wherein the first upper cutter is driven by the first upper cutter driving assembly to move up and down, the first lower cutter is arranged below the first upper cutter, the protection sheet is cut off under the extrusion action of the first upper cutter and the first lower cutter, and a plurality of vacuum adsorption holes are further formed in the supporting table and used for fixing the protection sheet positioned on the supporting table through vacuum adsorption.
In one embodiment, the protective sheet transfer mechanism includes: the vacuum suction head comprises a two-dimensional mechanical arm, a mounting frame mounted on the two-dimensional mechanical arm, a rotating motor mounted on the mounting frame, a rotating frame connected with the rotating motor, and a vacuum suction head mounted on the rotating frame.
In one embodiment, the protection sheet welding mechanism comprises an upper welding head, an upper welding head driving assembly for driving the upper welding head to move up and down, a lower welding head and a lower welding head driving assembly for driving the lower welding head to move up and down, and the protection sheet is welded on the core stacking tab through the extrusion action of the upper welding head and the lower welding head.
In one embodiment, the welding device comprises 2 protection sheet feeding mechanisms, namely a first protection sheet feeding mechanism and a second protection sheet feeding mechanism, 2 protection sheet leveling mechanisms, namely a first protection sheet leveling mechanism and a second protection sheet leveling mechanism, 2 protection sheet pulling mechanisms, namely a first protection sheet pulling mechanism and a second protection sheet pulling mechanism, 2 protection sheet fixed-length cutting mechanisms, namely a first protection sheet fixed-length cutting mechanism and a second protection sheet fixed-length cutting mechanism, and 2 protection sheet transferring mechanisms, namely a first protection sheet transferring mechanism and a second protection sheet transferring mechanism, respectively, wherein the first protection sheet transferring mechanism is used for transferring cut protection sheets on the first protection sheet fixed-length cutting mechanism to the upper surface of a core stacking lug at a welding station, and the second protection sheet transferring mechanism is used for transferring cut protection sheets on the second protection sheet fixed-length cutting mechanism to the lower surface of the core stacking lug at the welding station;
Still include folding core utmost point ear cutting mechanism, folding core utmost point ear cutting mechanism includes: the cutter drive assembly is gone up to the second, is used for driving the second of cutter removal on the second, and the cutter drive assembly is gone down to the second and is used for driving the second of cutter removal down, cutter drive assembly includes second servo motor, the eccentric wheel that links to each other with the second servo motor, installs on the eccentric wheel the second on the cutter drive frame, the cutter mount is gone up to the second that links to each other with the cutter drive frame on the second, the first slider that links to each other with the cutter mount on the second to and with first slider sliding fit's first slide rail, the cutter is installed on the cutter mount on the second, cutter drive assembly includes down to the second:
The second lower cutter drive cylinder, the second slider that links to each other with the second lower cutter drive cylinder, with second slider sliding fit's second slide rail, set up second jacking piece on the second slider, be provided with the step face on the second jacking piece for the second of installing the second lower cutter mounting bracket, with the second lower cutter mounting bracket link to each other be used for with step face complex rolling element, with the second lower cutter mounting bracket link to each other's third slider, and with third slider sliding fit's third slide rail.
Drawings
Fig. 1 is a schematic diagram of a stacked tab pre-welding device according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a protection sheet feeding mechanism of a stacked tab pre-welding device according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a protection sheet leveling mechanism of a stacked core tab pre-welding device according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a protection sheet pulling mechanism of a stacked tab pre-welding device according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a fixed-length cutting mechanism of a protection sheet of a stacked tab pre-welding device according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of a protection sheet transferring mechanism of a stacked tab pre-welding device according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of an upper welding head and a driving assembly of the pre-welding device for stacked tab according to an embodiment of the present invention.
Fig. 8 is a schematic diagram of a lower welding head and a driving assembly of a stacked tab pre-welding device according to an embodiment of the invention.
Fig. 9 is a schematic diagram of a pressing mechanism of a stacked tab pre-welding device according to an embodiment of the present invention.
Fig. 10 is a schematic view of a stacked tab cutting mechanism according to an embodiment of the present invention.
Fig. 11 is a schematic view of an eccentric wheel driven by a servo motor of a laminated core tab cutting mechanism according to an embodiment of the present invention.
Fig. 12 is a schematic view of a second upper cutter driving frame and related components of a stacked tab cutting mechanism according to an embodiment of the present invention.
Fig. 13 is a schematic diagram of a second lower cutter and related components of a stacked tab cutting mechanism according to an embodiment of the present invention.
Fig. 14 is a schematic diagram of a second lower cutter driving cylinder, a second jacking block and related components of the stacked tab cutting mechanism according to an embodiment of the present invention.
Fig. 15 is a schematic diagram of a rolling member and a second lifting block of a stacked tab cutting mechanism according to an embodiment of the present invention.
Wherein:
100. stacked core tab pre-welding device 110 and protection sheet feeding mechanism
111. Turntable 112, protective sheet fixing unit 113, and tension roller
114. Guide roller 115, clamping assembly 120 and protection sheet leveling mechanism
121. Leveling roller 122, briquetting
130. Protection piece pulling mechanism 131, clamping jaw cylinder 132 and bearing frame
133. First servo motor 140, protection sheet fixed length cutting mechanism 141, first upper cutter
142. First upper cutter driving assembly 143, first lower cutter 144, and support table
145. Vacuum adsorption hole 150, protection sheet transfer mechanism 151 and two-dimensional mechanical arm
152. Motor mounting frame 153, rotary motor 154 and rotary frame
154A, a rotating portion 154b, a cantilever portion 155, and a support frame
160. Protection sheet welding mechanism 161, upper welding head 162 and upper welding head driving cylinder
163. Upper weld head mount 164, lower weld head 165, first rolling member
166. First jacking block 167, lower weld head mounting bracket 168, lower weld head actuating cylinder
171. Bracket 172, ram 173, ram drive assembly
200. Cutting mechanism for laminated core tab
210. Second upper cutter 220 and second upper cutter driving assembly
230. Second lower cutter 240 and second lower cutter driving assembly
221. Second servo motor 222, eccentric 223 and second upper cutter driving frame
224. Second upper cutter fixing frame 225, first sliding block 226 and first sliding rail
241. Second rolling element 242, second lower cutter mounting frame 243 and third sliding block
244. Third slide rail 245, second lower cutter driving cylinder 246 and second slide block
247. Second slide rail 248, second jacking block
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "fixed 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.
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. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, an embodiment of the present invention provides a stacked core tab pre-welding device 100, which includes:
a protective sheet feeding mechanism 110, wherein the protective sheet feeding mechanism 110 is used for providing a protective sheet;
A protection sheet leveling mechanism 120, the protection sheet leveling mechanism 120 being disposed at a downstream side of the protection sheet feeding mechanism 110 for leveling the protection sheet by extrusion;
a protection sheet pulling mechanism 130, wherein the protection sheet pulling mechanism 130 is arranged at the downstream side of the protection sheet leveling mechanism 120 and is used for pulling the protection sheet towards a certain direction to move the protection sheet;
A protection sheet fixed length cutting mechanism 140, wherein the protection sheet fixed length cutting mechanism 140 is arranged at the downstream side of the protection sheet pulling mechanism 130 and is used for cutting the protection sheet to a fixed length;
The protection sheet transferring mechanism 150 is used for transferring the protection sheet cut by the protection sheet fixed-length cutting mechanism 140 to a welding station;
And a protection sheet welding mechanism 160, wherein the protection sheet welding mechanism 160 is used for welding the protection sheet on the laminated core tab.
The pre-welding device 100 for laminated core tabs can automatically complete the welding of the protection sheet on the laminated core tab. Each mechanism is reasonable in layout and high in production efficiency.
In this embodiment, as shown in fig. 2, the protection sheet feeding mechanism 110 includes a turntable assembly, and the turntable assembly is used for carrying the rolled protection sheets. Specifically, the turntable assembly includes a turntable 111 and a protective sheet fixing assembly 112 for fixing the rolled protective sheet. The rolled protective sheet may be fixed to a tool in advance, and then the tool is clamped to the protective sheet fixing member 112. The protection sheet feeding mechanism 110 further includes a conveying roller assembly disposed below the turntable assembly, and the conveying roller assembly is used for conveying the protection sheet to the protection sheet leveling mechanism 120.
In particular, the conveyor roller assembly may be composed of a roller 113, a pinch roller set, and the like. The pinch roller set may be comprised of a drive roller 115 and a driven roller 114. The drive roller 115 may be rotated by a motor assembly. The clamping roller group is used for clamping the protection sheet for conveying.
It is understood that the protective sheet feeding mechanism 110 may be any other type of feeding mechanism as long as the protective sheet can be fed to the downstream side.
As shown in fig. 3, the protection sheet leveling mechanism 120 includes: two leveling rollers 121 arranged up and down and two pressing blocks 122 arranged up and down, wherein the protection sheet passes through the gap between the two leveling rollers 121 and then enters the gap between the two pressing blocks 122.
The protective sheet leveling mechanism 120 is provided with a protective sheet pulling mechanism 130 on the downstream side. As shown in fig. 4, the mechanism includes: a clamping assembly and a clamping assembly drive mechanism. The clamping assembly is used to clamp the packaging sheet and may include a jaw cylinder 131. The clamping assembly driving mechanism is used for driving the clamping assembly to move towards a certain direction. Here, the protection sheet fixed-length cutting mechanism 140 on the downstream side can be moved. The clamping assembly driving mechanism comprises a first servo motor 133 and a transmission assembly connected with the first servo motor 133, and the clamping assembly is connected with the transmission assembly. The transmission assembly may include a screw assembly connected to the first servo motor 133, a slider driven by the screw assembly, a slide rail slidably engaged with the slider, and a carrier 132 mounted on the slider, and the jaw cylinder 131 is mounted on the carrier 132. The first servo motor 133 can drive the sliding block to move along the sliding rail by driving the screw assembly to operate, and further drive the clamping jaw cylinder 131 to move along the direction of the guide rail. Specifically, after the gripper cylinder 131 grips the protector, the gripper cylinder 131 is driven to move toward the protector fixed-length cutting mechanism 140 on the downstream side, so that the protector can be moved toward the protector fixed-length cutting mechanism 140. The protector pulling mechanism 130 conveys the protector by a predetermined distance to the protector fixed-length cutting mechanism 140 on the downstream side. And then the protection sheet with a fixed length can be cut by the protection sheet fixed length cutting mechanism 140. Moreover, as the servo module drives the material pulling mechanism of the protection sheet, the protection sheet can adapt to the lengths of the protection sheets of different products, and the material pulling mechanism does not need to be manually adjusted to change the shape.
In this embodiment, as shown in fig. 5, the protection sheet fixed-length cutting mechanism 140 includes: the first upper cutter 141, the first upper cutter driving assembly 142, the first lower cutter 143 and the supporting table 144, the first upper cutter 141 is driven by the first upper cutter driving assembly 142 to move up and down, the first upper cutter driving assembly 142 is a cylinder driving assembly or other types of linear driving assemblies, the first lower cutter 143 is arranged below the first upper cutter 141, the protection sheet is cut off under the extrusion action of the first upper cutter 141 and the first lower cutter 143, the supporting table 144 is also provided with a plurality of vacuum adsorption holes 145, and the vacuum adsorption holes 145 are connected with a vacuum generating device and are used for fixing the protection sheet positioned on the supporting table 144 through vacuum adsorption. This arrangement prevents the protective sheet from being displaced after cutting.
In this embodiment, as shown in fig. 6, the protection sheet transferring mechanism 150 includes: the two-dimensional mechanical arm 151, install the motor mounting bracket 152 on the two-dimensional mechanical arm 151, install the rotating electrical machines 153 on the motor mounting bracket 152, the swivel mount 154 that links to each other with the rotating electrical machines 153, swivel mount 154 includes rotation portion 154a and cantilever portion 154b, the side of cantilever portion 154b is provided with support frame 155, is provided with vacuum adsorption hole 145 on the support frame 155. The support 155 may be formed of three spaced strips. The two-dimensional robot 151 may drive the mounting frame to move in the X-direction and the Y-direction. The two-dimensional robot 151 may be composed of a plurality of cylinders. When in use, the supporting frame 155 is positioned on the supporting table 144, the supporting frame 155 adsorbs and fixes the protection sheet on the supporting table 144 on the supporting frame 155, and then the protection sheet is conveyed by the cooperation of the rotating motor 153 and the two-dimensional mechanical arm 151.
It is understood that other types of mechanisms may be employed for the protective sheet transfer mechanism 150 described above, so long as the transfer of the protective sheet to the welding station is accomplished.
In this embodiment, as shown in fig. 7 and 8, the protection sheet welding mechanism 160 includes a welding head 161, an upper welding head 161 driving assembly for driving the upper welding head 161 to move up and down, a lower welding head 164, and a lower welding head 164 driving assembly for driving the lower welding head 164 to move up and down, and the protection sheet is welded on the laminated core tab by the extrusion action of the upper welding head 161 and the lower welding head 164.
The upper bonding head 161 driving assembly may include an upper bonding head mounting frame 163, and an upper bonding head 161 mounted on the upper bonding head mounting frame 163, and further includes an upper bonding head driving cylinder 162, where the upper bonding head driving cylinder 162 is used to drive the upper bonding head mounting frame 163 to move up and down, so as to promote the upper bonding head 161 to move up and down. To smooth the movement, a slider may be provided on the upper bonding head mounting frame 163 to engage with the slide rail.
The lower welding head 164 driving assembly comprises a lower welding mounting frame, the lower welding head 164 is mounted on the lower welding head mounting frame 167, the lower welding head driving assembly further comprises a first rolling member 165 arranged on the lower welding head mounting frame 167 and a first jacking block 166 matched with the first rolling member 165, a stepped surface is arranged on the first jacking block 166, and the first jacking block 166 is connected with a lower welding head driving cylinder 168. The bottom surface of the first lifting block 166 is provided with a sliding block, and the sliding block is in sliding fit with the sliding rail.
In this embodiment, as shown in fig. 9, the welding device for the stacked core tab further includes a pressing mechanism, where the pressing mechanism is disposed on one side of the protection sheet welding mechanism 160, and is configured to press the root of the stacked core tab when welding the protection sheet.
Specifically, the pressing mechanism includes a support 171, a pressing head 172 and a pressing head driving assembly 173, the support 171 includes a plurality of support rods connected in sequence, an included angle between adjacent support rods is 90 degrees, the pressing head driving assembly 173 is mounted on the support rod located at the end of the support 171, and the pressing head 172 is mounted on the pressing head driving assembly 173 and is driven by the pressing head driving assembly 173 to move up and down.
Further, 2 protection sheet feeding mechanisms 110, namely a first protection sheet feeding mechanism and a second protection sheet feeding mechanism, 2 protection sheet leveling mechanisms 120, namely a first protection sheet leveling mechanism and a second protection sheet leveling mechanism, 2 protection sheet pulling mechanisms 130, namely a first protection sheet pulling mechanism and a second protection sheet pulling mechanism, 2 protection sheet fixed-length cutting mechanisms 140, namely a first protection sheet fixed-length cutting mechanism and a second protection sheet fixed-length cutting mechanism, and 2 protection sheet transferring mechanisms 150, namely a first protection sheet transferring mechanism and a second protection sheet transferring mechanism, respectively, wherein the first protection sheet transferring mechanism is used for transferring cut protection sheets on the first protection sheet fixed-length cutting mechanism to the upper surface of a lamination lug at a welding station, and the second protection sheet transferring mechanism is used for transferring cut protection sheets on the second protection sheet fixed-length cutting mechanism to the lower surface of the lamination lug at the welding station.
The arrangement can weld two protection sheets on the upper surface and the lower surface of the laminated core lug respectively. So as to improve the production efficiency.
On the basis of the above, as shown in fig. 10, the laminated core tab cutting mechanism 200 is further included, and the laminated core tab cutting mechanism 200 includes: the second upper cutter 210, a second upper cutter driving assembly 220 for driving the second upper cutter 210 to move, a second lower cutter 230 and a second lower cutter driving assembly 240 for driving the second lower cutter 230 to move, wherein the second upper cutter driving assembly 220 comprises a second servo motor 221, an eccentric wheel 222 connected with the second servo motor 221, a second upper cutter driving frame 223 arranged on the eccentric wheel 222, a second upper cutter fixing frame 224 connected with the second upper cutter driving frame 223, a first sliding block 225 connected with the second upper cutter fixing frame 224, and a first sliding rail 226 in sliding fit with the first sliding block 225, the second upper cutter 210 is arranged on the second upper cutter fixing frame 224, the second lower cutter driving assembly 240 comprises a second lower cutter driving cylinder 245, a second sliding block 246 connected with the second lower cutter driving cylinder 245, a second sliding rail 247 in sliding fit with the second sliding block 246, a second lifting block 248 arranged on the second sliding block 246, a second lifting block 248 is provided with a second step surface, a second lower cutter 242 is arranged on the second lifting block 248, and a second installation frame 242 is in sliding fit with the second lower cutter driving frame 243, and a third installation frame 243 is arranged on the second lower cutter driving assembly. The rolling assembly may include a second rolling member 241 and a second rolling member 241 mounting bracket.
The laminated core tab cutting mechanism 200 is used for cutting the edge of the welded laminated core tab. The cutting of the laminated core tab can be achieved by the cooperation of the second upper cutter 210 and the second lower cutter 230. Specifically, the welded laminated core tab can be conveyed to the laminated core tab cutting mechanism 200 through a conveying line, and then the edge of the laminated core tab is cut.
The above-mentioned second upper cutter 210 cuts down the motion and has servo motor to drive eccentric mechanism and carry out, and here second upper cutter 210's speed and acceleration are all controllable, find through the research that speed and acceleration can influence the burr that turns over of folding core utmost point ear after cutting, so control speed and acceleration reducible utmost point ear's burr that turns over, guarantee utmost point ear cutting quality.
The second upper cutter 210 and the second lower cutter 230 may also be subjected to a surface DLC treatment, which is advantageous in improving cutter life and cutting quality.
The up-and-down motion of the second lower cutter 230 is controlled by the second lifting block 248 and the rolling assembly, so that the stability of the second lower cutter 230 can be controlled, and the cutting quality can be improved.
Further, the stacked tab cutting mechanism 200 may be integrally disposed on a base plate, and the base plate is matched with the slide rail through a slider, and a screw mechanism for driving the base plate to move is disposed. The position of the whole cutting mechanism is adjustable, and the compatibility is strong.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (2)
1. The utility model provides a fold core utmost point ear prewelding device which characterized in that includes:
The protection sheet feeding mechanism is used for providing protection sheets;
The protection sheet leveling mechanism is arranged at the downstream side of the protection sheet feeding mechanism and is used for leveling the protection sheet by extrusion;
the protection sheet pulling mechanism is arranged at the downstream side of the protection sheet leveling mechanism and used for pulling the protection sheet towards a certain direction to move the protection sheet;
the protection piece fixed-length cutting mechanism is arranged at the downstream side of the protection piece pulling mechanism and is used for cutting the protection piece to a fixed length;
The protection sheet transferring mechanism is used for transferring the protection sheet cut by the protection sheet fixed-length cutting mechanism to the welding station;
The protection sheet welding mechanism is used for welding the protection sheet on the laminated core tab;
The welding device for the laminated core lug further comprises a pressing mechanism, wherein the pressing mechanism is arranged on one side of the protection sheet welding mechanism and is used for pressing the root of the laminated core lug when the protection sheet is welded;
The pressing mechanism comprises a support, a pressing head and a pressing head driving assembly, wherein the support comprises a plurality of support rods which are sequentially connected, an included angle between every two adjacent support rods is 90 degrees, the pressing head driving assembly is arranged on the support rod positioned at the end part of the support, and the pressing head is arranged on the pressing head driving assembly and is driven by the pressing head driving assembly to move up and down;
the protective sheet feeding mechanism comprises:
the turntable assembly is used for bearing the rolled protection sheets;
the conveying roller assembly is used for conveying the protection sheet to the protection sheet leveling mechanism;
the protection sheet leveling mechanism includes: two sets of leveling rollers arranged up and down and two pressing blocks arranged up and down, wherein the protection sheet passes through the gap between the two sets of leveling rollers and then enters the gap between the two pressing blocks;
The protective sheet pulling mechanism comprises:
a clamping assembly for clamping the packaging sheet;
The clamping assembly driving mechanism is used for driving the clamping assembly to move towards a certain direction and comprises a first servo motor and a transmission assembly connected with the first servo motor, and the clamping assembly is connected with the transmission assembly;
the protection piece fixed length cutting mechanism includes: the device comprises a first upper cutter, a first upper cutter driving assembly, a first lower cutter and a supporting table, wherein the first upper cutter is driven by the first upper cutter driving assembly to move up and down, the first lower cutter is arranged below the first upper cutter, the protection sheet is cut off under the extrusion action of the first upper cutter and the first lower cutter, and the supporting table is also provided with a plurality of vacuum adsorption holes for fixing the protection sheet positioned on the supporting table through vacuum adsorption;
the protective sheet transfer mechanism includes: the vacuum suction head comprises a two-dimensional mechanical arm, a mounting rack arranged on the two-dimensional mechanical arm, a rotating motor arranged on the mounting rack, a rotating rack connected with the rotating motor and a vacuum suction head arranged on the rotating rack;
The protection sheet welding mechanism comprises an upper welding head, an upper welding head driving assembly for driving the upper welding head to move up and down, a lower welding head and a lower welding head driving assembly for driving the lower welding head to move up and down, and the protection sheet is welded on the stacked core lug through the extrusion action of the upper welding head and the lower welding head.
2. The laminated core tab pre-welding device according to claim 1, comprising 2 protection sheet feeding mechanisms, namely a first protection sheet feeding mechanism and a second protection sheet feeding mechanism, 2 protection sheet leveling mechanisms, namely a first protection sheet leveling mechanism and a second protection sheet leveling mechanism, 2 protection sheet pulling mechanisms, namely a first protection sheet pulling mechanism and a second protection sheet pulling mechanism, 2 protection sheet fixed-length cutting mechanisms, namely a first protection sheet fixed-length cutting mechanism and a second protection sheet fixed-length cutting mechanism, and 2 protection sheet transferring mechanisms, namely a first protection sheet transferring mechanism and a second protection sheet transferring mechanism, respectively, wherein the first protection sheet transferring mechanism is used for transferring cut protection sheets on the first protection sheet fixed-length cutting mechanism to the upper surface of the laminated core tab at a welding station, and the second protection sheet transferring mechanism is used for transferring cut protection sheets on the second protection sheet fixed-length cutting mechanism to the lower surface of the laminated core tab at the welding station;
Still include folding core utmost point ear cutting mechanism, folding core utmost point ear cutting mechanism includes: the cutter drive assembly is gone up to the second, is used for driving the second of cutter removal on the second, and the cutter drive assembly is gone down to the second and is used for driving the second of cutter removal down, cutter drive assembly includes second servo motor, the eccentric wheel that links to each other with the second servo motor, installs on the eccentric wheel the second on the cutter drive frame, the cutter mount is gone up to the second that links to each other with the cutter drive frame on the second, the first slider that links to each other with the cutter mount on the second to and with first slider sliding fit's first slide rail, the cutter is installed on the cutter mount on the second, cutter drive assembly includes down to the second:
The second lower cutter drive cylinder, the second slider that links to each other with the second lower cutter drive cylinder, with second slider sliding fit's second slide rail, set up second jacking piece on the second slider, be provided with the step face on the second jacking piece for the second of installing the second lower cutter mounting bracket, with the second lower cutter mounting bracket link to each other be used for with step face complex rolling element, with the second lower cutter mounting bracket link to each other's third slider, and with third slider sliding fit's third slide rail.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910658958.2A CN110350138B (en) | 2019-07-22 | 2019-07-22 | Stacked core tab pre-welding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910658958.2A CN110350138B (en) | 2019-07-22 | 2019-07-22 | Stacked core tab pre-welding device |
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| CN110350138A CN110350138A (en) | 2019-10-18 |
| CN110350138B true CN110350138B (en) | 2024-05-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111113506A (en) * | 2019-12-16 | 2020-05-08 | 浙江天能动力能源有限公司 | Device for slitting protective sheet for storage battery |
| CN111482701A (en) * | 2020-03-25 | 2020-08-04 | 大族激光科技产业集团股份有限公司 | Automatic welding device |
| CN112975088B (en) * | 2021-04-28 | 2021-07-30 | 新乡职业技术学院 | Resistance welding equipment for battery tab |
| CN116727826B (en) * | 2023-05-24 | 2024-01-09 | 广东东博智能装备股份有限公司 | Ultrasonic welding equipment for battery cell electrode lugs |
| CN116689926B (en) * | 2023-08-01 | 2023-10-20 | 四川泽丰锂能新能源科技有限公司 | Lithium battery series-parallel welding device |
| CN117798415B (en) * | 2024-03-01 | 2024-05-07 | 天津城市轨道咨询有限公司 | Shaping and cutting device and method for tab for track lithium battery production |
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