CN110000484B - Automatic assembling and welding equipment for cylindrical lithium battery protection plate - Google Patents
Automatic assembling and welding equipment for cylindrical lithium battery protection plate Download PDFInfo
- Publication number
- CN110000484B CN110000484B CN201910268988.2A CN201910268988A CN110000484B CN 110000484 B CN110000484 B CN 110000484B CN 201910268988 A CN201910268988 A CN 201910268988A CN 110000484 B CN110000484 B CN 110000484B
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- feeding
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- jig
- lithium battery
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 123
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 238000003466 welding Methods 0.000 title claims abstract description 95
- 238000001514 detection method Methods 0.000 claims abstract description 54
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 248
- 229910052759 nickel Inorganic materials 0.000 claims description 124
- 241000209219 Hordeum Species 0.000 claims description 104
- 235000007340 Hordeum vulgare Nutrition 0.000 claims description 104
- 230000007246 mechanism Effects 0.000 claims description 70
- 238000003860 storage Methods 0.000 claims description 55
- 230000002950 deficient Effects 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 34
- 238000004064 recycling Methods 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 22
- 238000001179 sorption measurement Methods 0.000 claims description 22
- 239000010893 paper waste Substances 0.000 claims description 20
- 238000012937 correction Methods 0.000 claims description 13
- 238000005520 cutting process Methods 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 14
- 238000012797 qualification Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 10
- 239000002699 waste material Substances 0.000 description 9
- 210000000078 claw Anatomy 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 238000007688 edging Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
Abstract
The invention discloses automatic assembling and welding equipment for a cylindrical lithium battery protection plate, which comprises a frame, a circulating carrier structure and a touch operation screen, wherein the circulating carrier structure is arranged on the frame and is arranged along a middle line; the invention has the beneficial effects of realizing the automation of the production of the lithium battery, saving the labor cost, increasing the production efficiency, and improving the yield and the qualification rate of the production due to the arrangement of a plurality of detection procedures.
Description
Technical Field
The invention relates to the technical field of lithium battery production equipment, in particular to automatic assembling and welding equipment for a cylindrical lithium battery protection plate.
Background
The "lithium battery" is a battery using a nonaqueous electrolyte solution, which uses lithium metal or a lithium alloy as a negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n.lewis in 1912. At 70 s of the 20 th century, m.s. whittingham proposed and began to study lithium ion batteries. The chemical characteristics of lithium metal are very active, so that the processing, storage and use of lithium metal have very high requirements on environment. With the development of science and technology, lithium batteries have become the mainstream.
In the existing lithium battery production process, a lot of manpower is usually required to finish part of work of each link, such as pasting highland barley paper on a battery core of a cylindrical lithium battery, so that the labor cost of each link is greatly increased, meanwhile, the production efficiency is low, the transportation of workpieces is required to be carried out among all production links, the labor hour is wasted, the operation steps are increased, and the manual material is usually adopted for automatically removing the circuit board waste in the existing lithium battery production process, so that the hands of people are easily scratched.
Disclosure of Invention
The invention aims to solve the problems, and designs automatic assembling and welding equipment for a cylindrical lithium battery protection plate, which solves the problems in the prior art.
The technical scheme of the invention for achieving the purpose is as follows: the automatic assembling and welding equipment for the cylindrical lithium battery protection plate comprises a frame, a circulating carrier structure and a touch operation screen, wherein the circulating carrier structure is arranged on the frame and is arranged along a middle line, the touch operation screen is arranged on the frame and is positioned behind the circulating carrier structure, a nickel sheet circuit board assembling unit is arranged behind the circulating carrier structure, a battery cell detection feeding unit is arranged on the left side of the circulating carrier structure, and a butt welding storage unit is arranged on the middle section and the right side of the circulating carrier structure;
The endless carrier structure, comprising: the device comprises a jig conveying component, a jig recycling component, a pair of jig lifting cylinders with the same structure, a pair of jig pushing cylinders with the same structure, a plurality of jig positioning devices with the same structure and a plurality of jigs with the same structure;
the jig conveying components and the jig recycling components are arranged up and down, the front and rear positions of the jig conveying components and the jig recycling components are corresponding, a pair of jig lifting cylinders are mounted on the frame and located on two sides of the jig conveying components and the jig recycling components, a pair of pushing plates are mounted on telescopic ends of the jig lifting cylinders, a plurality of jig positioning devices are mounted between the jig conveying components and the jig recycling components, and a plurality of battery cells are placed on the jig conveying components and can move back and forth along the jig conveying components and the jig recycling components;
the electricity core detects feeding unit, it includes: the cylindrical lithium battery cell detection feeding mechanism and the cylindrical lithium battery square highland barley paper automatic pasting mechanism;
the nickel plate circuit board assembly unit includes: the device comprises a lithium battery protection plate feeding mechanism, a nickel piece automatic feeding mechanism, a nickel piece welding machine and a protection plate edge removing material and feeding machine;
the nickel sheet welding machine is arranged at the middle section of the frame, and the protective plate edge removing and feeding machine is arranged at one side of the nickel sheet welding machine and is positioned behind the jig conveying component with the nickel sheet welding machine;
The butt-welded storage unit, comprising: a lithium battery butt welding machine, a round highland barley paper automatic pasting machine and a lithium battery post-welding good product detection and storage machine;
the lithium battery butt-welding machine is ridden on the jig conveying part and is positioned in front of the protective plate edge removing material and the feeding machine, the round highland barley paper automatic pasting machine is of a mirror image structure and is ridden on the jig conveying part and is positioned on one side of the lithium battery butt-welding machine, and the lithium battery post-welding good product detecting and storing machine is arranged on the frame and is positioned on the other side of the jig conveying part.
The cylinder lithium cell electricity core detects feed mechanism, it includes: the device comprises a storage bin, a good product pushing cylinder, a defective product receiving ramp, a rotating machine wheel, an arc groove baffle, an inclined baffle, a defective product receiving ramp, a pushing detection part, a defective product pushing cylinder and a feeding pushing cylinder;
the storage bin is installed in the supporting seat rear, and it is cavity structure of concatenation formula upper and lower wall opening the place ahead movable mounting has the hatch door, and the below tilting mounting has the charge plate, rotatory wheel movable mounting is in storage bin one end, and is connected with rotatory wheel motor with it on its back wall, the tilting baffle tilting mounting is on storage bin left side wall, circular arc groove baffle mounting is on storage bin left side wall, and is located the tilting baffle below, and its breach and rotatory wheel assorted, the all swing joint of defective products material ramp and good product material ramp is in supporting seat one end, and the good product material ramp other end is located the rotatory wheel under, and both lower wall all is connected with the top and connects the material cylinder, impel the detection part and install in storage bin the place ahead, and be located defective products material ramp left side, and its front end probe alignment rotatory wheel one side, defective products impel the cylinder and install on storage bin back wall, and its flexible end alignment rotatory wheel lower extreme summit, and be equipped with the storage bin back wall and open with the top of the support tool, the left side is parallel to the slope device is arranged with a plurality of side of supporting fixtures, wherein, the slope is parallel to the side of the device.
Automatic mechanism of pasting of square highland barley paper of cylinder lithium cell, it includes: the highland barley paper machine comprises a highland barley paper supporting vertical plate, a square highland barley paper material tray, a leveling pair roller, a first width correction wheel, waste paper rolling, a width guide groove and a truss manipulator;
the highland barley paper supporting vertical plate is arranged on the frame and is positioned in front of the jig conveying part, the square highland barley paper tray is movably arranged at the right end of the front wall of the supporting vertical plate, the leveling counter roll is arranged at the left end of the highland barley paper supporting vertical plate, a plurality of first width correction wheels are arranged between the leveling counter roll and the square highland barley paper tray, the waste paper winding is movably arranged at the front wall of the supporting vertical plate and is positioned at the front lower part of the square highland barley paper tray, the rear wall surface of the rear supporting vertical plate is connected with a second servo motor, the width guide groove is arranged at the left end of the highland barley paper supporting vertical plate and is aligned with a central crack of the leveling counter roll, and the truss manipulator is arranged at the left side of the highland barley paper supporting vertical plate;
the truss manipulator, it includes: the device comprises a first truss, a first linear module, a lifting cylinder, an adsorption cylinder and an adsorption sucker;
the first truss is arranged on the frame and is positioned on the left side of the supporting vertical plate, the rear end of the first truss is positioned on the left end of the jig conveying component and aligned with the left end of the jig conveying component, the first linear module is arranged on the gantry truss, the lifting cylinder is arranged at the right end of the sliding block of the first linear module, the adsorption cylinder is arranged on a connecting block of the telescopic end of the lifting cylinder, the adsorption sucker is arranged on a cylinder connector of the telescopic end of the adsorption cylinder, and the opening of the adsorption sucker is vertically downward.
Lithium battery protection board feed mechanism, it mainly includes: the device comprises a protection bin bottom plate, a bottom plate sliding block, a first protection plate bin vertical plate, a second protection plate bin vertical plate, a pair of protection plate baffles with the same structure, a pair of protection bin clamping plates with the same structure, a pair of clamping plate cylinders with the same structure, a push plate cylinder, a first linear slide rail and a push plate limiting block;
the protection bin bottom plate is arranged on the frame and is positioned behind the storage bin, the bottom plate slide block is movably arranged on the protection plate bin bottom plate, a first adjusting screw is movably arranged between the front end of the bottom plate slide block and the protection plate bin bottom plate, a first protection plate bin vertical plate is arranged on the bottom plate, a second protection plate bin vertical plate is arranged on the bottom plate slide block, a pair of protection plate baffle plates are movably arranged between the first protection plate bin vertical plate and the second protection plate bin vertical plate, a protection plate length adjusting screw is movably arranged between the right side of the protection plate bin vertical plate and the first protection plate bin vertical plate and the second protection plate bin vertical plate, a pair of clamping grooves with the same structure are formed in the same height of the first protection plate bin vertical plate and the second protection plate bin vertical plate, a pair of protection bin clamping plates are respectively movably arranged in the clamping grooves, the protection plate clamping plates are respectively connected with a pair of clamping plate cylinders with the same structure, the first protection plate bin vertical plate cylinder and the first protection plate bin vertical plate are connected with the second protection plate bin vertical plate through a pair of lift plate cylinder with the same structure, a first linear slide rail is arranged between the first protection plate bin vertical plate and the first protection plate bin vertical plate, the protection plate is arranged on the left side of the slide rail and the slide rail is arranged on the slide rail;
Lithium battery protection board feed mechanism, it still includes: the device comprises a second linear module, a feeding bottom plate sliding block, a first feeding support vertical plate, a second feeding support vertical plate and an in-place sensor;
the linear module of second installs in protection shield feed bin riser one side, feeding bottom plate installs on the linear module slider of second, feeding bottom plate slider movable mounting is on feeding bottom plate, and with feeding bottom plate one end movable mounting second adjusting screw, first feeding support riser is installed on feeding bottom plate, and aligns with first protection shield feed bin riser, second feeding support riser is installed on feeding bottom plate slider, and corresponds with second protection shield feed bin riser position, the sensor that targets in place installs in both the rear, and aligns with first protection shield feed bin riser and second protection shield feed bin riser right side.
The automatic nickel piece feeding mechanism comprises a pair of automatic nickel piece feeding structures with the same structure, is positioned on the right side of the feeding mechanism of the circuit board of the lithium battery protection board, and is arranged in a mirror image mode along the front side and the rear side of the second linear module, and comprises: the device comprises a front-back adjusting bottom plate, a left-right adjusting sliding block, a nickel sheet supporting vertical plate, a nickel sheet coil tray, a length sensor, a nickel sheet pair roller block, a nickel sheet cutting cylinder and a feeding pair roller small roller;
The nickel sheet cutting machine comprises a frame, a nickel sheet supporting vertical plate, a nickel sheet cutting cylinder, a nickel sheet supporting vertical plate, a length sensor, a nickel sheet opposite roller block, a feeding roller, a feeding opposite roller block and a cutting knife edge.
The frame is the two concatenation cabinets of integrated into one piece steel construction body, and its lower wall four corners extend a plurality of stabilizer blades that the structure is the same: the support leg is used for supporting the frame.
A plurality of universal wheels matched with the supporting legs are arranged on the inner sides of the supporting legs: the universal wheel is used for moving the frame.
The automatic assembly welding equipment for the cylindrical lithium battery protection plate manufactured by the technical scheme of the invention has high automation degree, realizes the circulation of the battery core carrier through the circulating carrier structure on the equipment so that the battery core can automatically circulate among various processing technologies, detects the feeding unit through the battery core, detects the problem of the battery core, automatically welds the nickel plate and the protection plate through the nickel plate circuit board assembly unit, and detects and stores the battery core and the nickel plate through the butt-joint storage unit, realizes the automation of lithium battery production through the cooperation of the structures, saves labor cost, and is provided with a plurality of detection procedures, thereby improving the production yield and qualification rate.
Drawings
Fig. 1 is a schematic structural diagram of an automatic assembling and welding device for a cylindrical lithium battery protection plate.
Fig. 2 is a schematic top view of an automatic assembling and welding device for a cylindrical lithium battery protection plate.
Fig. 3 is a schematic diagram of a front view of a circular carrier structure of an automatic assembly welding device for a cylindrical lithium battery protection plate.
Fig. 4 is a schematic diagram of a three-dimensional structure of a cylindrical lithium battery cell detection feeding mechanism of an automatic assembly welding device for a cylindrical lithium battery protection plate.
Fig. 5 is a schematic diagram of a front view structure of a feeding mechanism for detecting a battery cell of a cylindrical lithium battery, which is used for automatically assembling and welding a protection plate of the cylindrical lithium battery.
Fig. 6 is a schematic structural diagram of an automatic pasting mechanism for square highland barley paper of a cylindrical lithium battery, which is used for automatically assembling and welding a cylindrical lithium battery protection plate.
Fig. 7 is a schematic structural diagram of a lithium battery protection plate feeding mechanism of an automatic assembly welding device for cylindrical lithium battery protection plates.
Fig. 8 is a schematic structural view of an automatic nickel sheet feeding mechanism of an automatic assembling and welding device for a cylindrical lithium battery protection plate.
Fig. 9 is a schematic structural view of a nickel plate welding machine of an automatic assembly welding device for a cylindrical lithium battery protection plate.
Fig. 10 is a schematic structural view of a protective plate edge removing material and a feeding machine of an automatic assembly welding device for a cylindrical lithium battery protective plate.
Fig. 11 is a schematic structural view of an automatic circular highland barley paper pasting machine for an automatic assembling and welding device for a cylindrical lithium battery protection plate.
Fig. 12 is a schematic structural diagram of a post-welding good product detecting and storing machine for lithium batteries of an automatic assembly welding device for cylindrical lithium battery protection plates.
Fig. 13 is a schematic structural view of a lithium battery butt-welding machine of the automatic assembly welding equipment for the cylindrical lithium battery protection plate.
In the figure: 1. a frame; 2. touching an operation screen; 3. a circulating carrier structure; 4. detecting and feeding mechanism for battery cells of cylindrical lithium batteries; 5. automatic pasting mechanism for square highland barley paper of cylindrical lithium battery; 6. lithium battery protection board feeding mechanism; 7. automatic nickel sheet feeding mechanism; 8. a nickel sheet welding machine; 9. protecting the plate to remove rim charge and the feeding machine; 10. lithium battery butt welding machine; 11. an automatic pasting machine for round highland barley paper; 12. a lithium battery post-welding good product detection and storage machine; 13. a support leg; 14. a universal wheel; 3a1, a jig conveying part; 3a2, a jig recovery part; 3a3, a jig lifting cylinder; 3a4, pushing a jig into a cylinder; 3a5, a jig positioning device; 3a6, a battery cell jig; 4a1, a storage bin; 4a2, a good product pushing cylinder; 4a3, a defective product receiving ramp; 4a4, a rotating wheel; 4a5, detecting probes; 4a6, inclined baffle plates; 4a7, a propulsion detection means; 4a8, a defective product pushing cylinder; 4a9, a feeding propulsion cylinder; 5a1, highland barley paper supporting vertical plates; 5a2, square highland barley paper trays; 5a3, leveling the paired rollers; 5a4, a first width correction wheel; 5a5, rolling waste paper; 5a6, width guide grooves; 5a7, a first truss; 5a8, a first linear module; 5a9, lifting cylinder 6;5a10, an adsorption cylinder; 5a11, adsorbing a sucker; 6a1, protecting a bin bottom plate; 6a2, a bottom plate slider; 6a3, a first protection plate storage bin vertical plate; 6a4, a second protection plate bin riser; 6a5, protecting the board baffle; 6a6, protecting a bin clamping plate; 6a7, a clamping plate cylinder; 6a8, a push plate cylinder; 6a9, a first linear slide rail; 6a10, a push plate limiting block; 6a11, a second linear module; 6a12, a feeding bottom plate; 6a13, a feeding bottom plate slide block; 6a14, a first feeding support vertical plate; 6a15, a second feeding support vertical plate; 6a16, an in-place sensor; 7a1, adjusting the bottom plate back and forth; 7a2, left and right adjusting slide blocks; 7a3, nickel sheet supporting vertical plates; 7a4, a nickel sheet coil tray; 7a5, a length sensor; 7a6, a nickel sheet pair roller block; 7a7, cutting off the cylinder by the nickel sheet; 7a8, feeding a pair of small rollers.
Detailed Description
The invention is specifically described below with reference to the accompanying drawings, as shown in fig. 1-13, an automatic assembly welding device for a cylindrical lithium battery protection plate comprises a frame 1, a circulating carrier structure 3 and a touch operation screen 2, wherein the circulating carrier structure 3 is arranged on the frame 1 and is arranged along a middle line, the touch operation screen 2 is arranged on the frame 1 and is positioned behind the circulating carrier structure 3, a nickel sheet circuit board assembly unit is arranged behind the circulating carrier structure 3, a battery core detection feeding unit is arranged on the left side of the circulating carrier structure 3, and a butt welding storage unit is arranged on the middle section and the right side of the circulating carrier structure 3; the circulating carrier structure 3 includes: the jig conveying part 3a1, the jig recycling part 3a2, a pair of jig lifting cylinders 3a3 with the same structure, a pair of jig pushing cylinders 3a4 with the same structure, a plurality of jig positioning devices 3a5 with the same structure and a plurality of jigs with the same structure; the jig conveying component 3a1 and the jig recycling component 3a2 are arranged up and down, the front position and the rear position of the jig conveying component are corresponding, a pair of jig lifting cylinders 3a3 are installed on the frame 1 and are positioned on two sides of the jig conveying component 3a1 and the jig recycling component 3a2, a pair of pushing plates are installed on the telescopic ends of the jig lifting cylinders 3a3, a plurality of jig positioning devices 3a5 are installed between the jig conveying component 3a1 and the jig recycling component 3a2, a plurality of battery cells 3a6 are placed on the jig conveying component 3a1, and the jig conveying component 3a1 and the jig recycling component 3a2 can reciprocate; the electricity core detects feeding unit, it includes: the cylindrical lithium battery cell detection feeding mechanism 4 and the cylindrical lithium battery square highland barley paper automatic pasting mechanism 5; the nickel plate circuit board assembly unit includes: the lithium battery protection plate feeding mechanism 6, the nickel plate automatic feeding mechanism 7, the nickel plate welding machine 8 and the protection plate edge removing material and feeding machine 9; the nickel sheet welding machine 8 is arranged at the middle section of the frame 1, and the protective plate edge removing and feeding machine 9 is arranged at one side of the nickel sheet welding machine 8 and is positioned behind the jig conveying component 3a1 together with the nickel sheet welding machine 8; the butt-welded storage unit, comprising: a lithium battery butt welding machine 10, a round highland barley paper automatic pasting machine 11 and a lithium battery post-welding good product detection and storage machine 12; the lithium battery butt-welding machine 10 is ridden over the jig conveying part 3a1 and is positioned in front of the protective plate edge removing material and the feeding machine 9, the round highland barley paper automatic pasting machine is of a mirror image structure and ridden over the jig conveying part 3a1 and is positioned on one side of the lithium battery butt-welding machine 10, and the lithium battery post-welding good product detecting and storing machine 12 is arranged on the frame 1 and is positioned on the other side of the jig conveying part 3a 1; the cylinder lithium cell electricity core detects feed mechanism 4, it includes: the device comprises a storage bin 4a1, a good product pushing cylinder 4a2, a defective product receiving ramp 4a3, a rotary machine wheel 4a4, a circular arc groove baffle, an inclined baffle 4a6, a defective product receiving ramp 4a3, a pushing detection part 4a7, a defective product pushing cylinder 4a84a2 and a feeding pushing cylinder 4a9; the storage bin 4a1 is arranged at the rear of the supporting seat, is of a cavity structure with a cabin door movably arranged in front of an opening of the spliced upper wall and the lower wall, a feeding plate is obliquely arranged below the cavity structure, the rotary machine wheel 4a4 is movably arranged at one end of the storage bin 4a1, a rotary machine wheel 4a4 motor is connected with the rear wall of the rotary machine wheel 4a, the inclined baffle 4a6 is obliquely arranged on the left side wall of the storage bin 4a1, the circular arc groove baffle is arranged on the left side wall of the storage bin 4a1 and is positioned below the inclined baffle 4a6, a notch of the inclined baffle is matched with the rotary machine wheel 4a4, the defective product receiving ramp 4a3 and the defective product receiving ramp are movably connected at one end of the supporting seat, the other end of the defective product receiving ramp is positioned under the rotary machine wheel 4a4, the lower wall surfaces of the two pushing detection parts 4a7 are connected with an upper pushing receiving cylinder, the pushing detection parts are arranged in front of the storage bin 4a1 and are positioned on the left side of the defective product receiving ramp 4a3, the front end probes of the pushing detection parts are aligned with one side of the rotating machine wheel 4a4, the defective product pushing cylinders 4a84a2 are arranged on the rear wall surface of the storage bin 4a1, the telescopic ends of the pushing detection parts are aligned with the top points of the lower ends of the rotating machine wheel 4a, the rear wall surface of the storage bin 4a1 is provided with through holes matched with the telescopic ends of the pushing detection parts, the feeding pushing cylinders 4a9 are arranged at the right end of the supporting seat, the telescopic ends of the pushing detection parts are aligned with a slope plate, and the slope plate is parallel to the left end of the jig conveying part 3a1 and is aligned with the front and back of a plurality of leftmost jig positioning devices 3a 5; the square highland barley paper automatic pasting mechanism 5 of cylinder lithium cell, it includes: the highland barley paper supporting vertical plate 5a1, the square highland barley paper tray 5a2, the leveling counter roller 5a3, the first width correction wheel 5a4, the waste paper winding 5a5, the width guide groove 5a6 and the truss manipulator; the highland barley paper supporting vertical plate 5a1 is arranged on the frame 1 and is positioned in front of the jig conveying part 3a1, the square highland barley paper tray 5a2 is movably arranged at the right end of the front wall of the supporting vertical plate, the leveling counter roller 5a3 is arranged at the left end of the highland barley paper supporting vertical plate 5a1, a plurality of first width correction wheels 5a4 are arranged between the leveling counter roller 5a3 and the square highland barley paper tray 5a2, the waste paper winding 5a5 is movably arranged at the front wall of the supporting vertical plate and is positioned at the front lower part of the square highland barley paper tray 5a2, the rear wall surface of the rear supporting vertical plate is connected with a second servo motor, the width guide groove 5a6 is arranged at the left end of the highland barley paper supporting vertical plate 5a1 and is aligned with a central crack of the leveling counter roller 5a3, and the truss manipulator is arranged at the left side of the highland barley paper supporting vertical plate 5a 1; the truss manipulator, it includes: the first truss 5a7, the first linear module 5a8, the lifting cylinder, the adsorption cylinder 5a10 and the adsorption chuck 5a11; the first truss 5a7 is arranged on the frame 1 and is positioned on the left side of the supporting vertical plate, the rear end of the first truss is aligned with the left end of the jig conveying component 3a1, the first linear module 5a8 is arranged on the gantry truss, the lifting cylinder is arranged at the right end of the sliding block of the first linear module 5a8, the adsorption cylinder 5a10 is arranged on a connecting block of the telescopic end of the lifting cylinder, the adsorption suction cup 5a11 is arranged on a cylinder connecting head of the telescopic end of the adsorption cylinder 5a10, and the opening of the adsorption suction cup 5a11 is vertically downward; the lithium battery protection board feed mechanism 6, it mainly includes: the protection bin bottom plate 6a1, the bottom plate slide block 6a2, the first protection plate bin vertical plate 6a3, the second protection plate bin vertical plate 6a4, a pair of protection plate baffles 6a5 with the same structure, a pair of protection bin clamping plates 6a6 with the same structure, a pair of clamping plate cylinders 6a7 with the same structure, a push plate cylinder 6a8, a first linear slide rail 6a9 and a push plate limiting block 6a10; the protection bin bottom plate 6a1 is arranged on the frame 1 and is positioned behind the storage bin 4a1, the bottom plate sliding block 6a2 is movably arranged on the protection plate bin bottom plate, a first adjusting screw is movably arranged between the front end of the bottom plate sliding block and the protection plate bin bottom plate, the first protection plate bin vertical plate 6a3 is arranged on the bottom plate, the second protection plate bin vertical plate 6a4 is arranged on the bottom plate sliding block 6a2, a pair of protection plate baffle 6a5 is movably arranged between the first protection plate bin vertical plate 6a3 and the second protection plate bin vertical plate 6a4, a protection plate length adjusting screw is movably arranged between the right side of the protection plate baffle 6a4 and the first protection plate bin vertical plate 6a3 and the second protection plate bin vertical plate 6a4, a pair of clamping grooves with the same structure are formed at the same height, the pair of protection bin clamping plates 6a6 are respectively and movably arranged in the pair of clamping grooves, a pair of clamping plate cylinders 6a7 with the same structure are respectively connected with the pair of clamping plate cylinders 6a7, the pair of clamping plate cylinders 6a7 are connected with the first protection plate bin vertical plate 6a3 and the second protection plate bin vertical plate 6a4 through a pair of lifting plate cylinders with the same structure, the first linear sliding rail 6a9 is arranged between the first protection plate bin vertical plate 6a3 and the second protection plate bin vertical plate 6a4 and is positioned below the protection plate clamping plates, the push plate cylinder 6a8 is arranged on the left side of the push plate cylinder, the telescopic end of the push plate cylinder 6a8 is connected with the first linear sliding rail 6a9, and the push plate limiting block 6a10 is arranged on a sliding block of the first linear sliding rail 6a 9; the lithium battery protection board feed mechanism 6, it still includes: the second linear module 6a11, the feeding bottom plate 6a12, the sliding block 6a2 of the feeding bottom plate 6a12, the first feeding support vertical plate 6a14, the second feeding support vertical plate 6a15 and the in-place sensor 6a16; the second linear module 6a11 is installed on one side of the protection plate bin riser, the feeding bottom plate 6a12 is installed on the second linear module 6a11 slider, the feeding bottom plate 6a12 slider 6a2 is movably installed on the feeding bottom plate 6a12 and is movably installed with a second adjusting screw at one end of the feeding bottom plate 6a12, the first feeding support riser 6a14 is installed on the feeding bottom plate 6a12 and is aligned with the first protection plate bin riser 6a3, the second feeding support riser 6a15 is installed on the feeding bottom plate 6a12 slider 6a2 and corresponds to the second protection plate bin riser 6a4 in position, and the in-place sensor 6a16 is installed behind the two and is aligned with the right side of the first protection plate bin riser 6a3 and the second protection plate bin riser 6a 4; the automatic nickel sheet feeding mechanism 7 consists of a pair of automatic nickel sheet feeding structures with the same structure, is positioned on the right side of the feeding mechanism of the circuit board of the lithium battery protection board, and is arranged along the front side and the rear side of the second linear module 6a11 in a mirror image manner, and comprises: a front-rear adjusting bottom plate 7a1, a left-right adjusting slide block 7a2, a nickel sheet supporting vertical plate 7a3, a nickel sheet coiling tray 7a4, a length sensor 7a5, a nickel sheet pair roller block 7a6, a nickel sheet cutting cylinder 7a7 and a feeding pair roller small roller 7a8; the front-back adjusting bottom plate 7a1 is arranged on the frame 1 and is positioned behind the second linear module 6a11, the left-right adjusting sliding block 7a2 is movably arranged on the front-back adjusting bottom plate 7a1, the nickel sheet supporting vertical plate 7a3 is arranged on the left-right adjusting sliding block 7a2, the nickel sheet coiling tray 7a4 is arranged on the nickel sheet supporting vertical plate 7a3 through an extension rod, the length sensor 7a5 is arranged on the nickel sheet supporting vertical plate 7a3 and is close to the rear, the nickel sheet pair roller block 7a6 is arranged on the nickel sheet supporting vertical plate 7a3 and is positioned in front of the length sensor 7a5, a plurality of correction guide wheels are arranged between the nickel sheet pair roller block 7a6, the feeding roller is arranged on the nickel sheet pair roller block 7a6 and is connected with a stepping motor on the right side wall surface of the nickel sheet supporting vertical plate 7a3, a feeding pair roller small roller 7a8 is arranged above the feeding roller small roller 7a8, the nickel sheet cutting cylinder 7a7 is vertically arranged on the nickel sheet supporting vertical plate 7a3 downwards, and the front end of the nickel sheet supporting vertical plate 7a is provided with a telescopic end; the frame 1 is an integrally formed steel structure double-spliced cabinet body, and four corners of the lower wall surface of the frame are extended with a plurality of supporting feet 13 with the same structure: the support leg 13 is used for supporting the frame 1; a plurality of universal wheels 14 matched with the supporting legs 13 are arranged on the inner sides of the supporting legs 13: the universal wheel 14 is used for moving the frame 1.
The embodiment is characterized in that the automatic assembling and welding equipment for the cylindrical lithium battery protection plate comprises a frame 1, a circulating carrier structure 3 and a touch operation screen 2, wherein the circulating carrier structure 3 is arranged on the frame 1 and is arranged along a middle line, the touch operation screen 2 is arranged on the frame 1 and is positioned behind the circulating carrier structure 3, a nickel sheet circuit board assembling unit is arranged behind the circulating carrier structure 3, a battery core detection feeding unit is arranged on the left side of the circulating carrier structure 3, and a butt welding storage unit is arranged in the middle section and the right side of the circulating carrier structure 3; the endless carrier structure 3 includes: the jig conveying part 3a1, the jig recycling part 3a2, a pair of jig lifting cylinders 3a3 with the same structure, a pair of jig pushing cylinders 3a4 with the same structure, a plurality of jig positioning devices 3a5 with the same structure and a plurality of jigs with the same structure; the jig conveying component 3a1 and the jig recycling component 3a2 are arranged up and down, the front position and the rear position correspond to each other, a pair of jig lifting cylinders 3a3 are installed on the frame 1 and are positioned on two sides of the jig conveying component 3a1 and the jig recycling component 3a2, a pair of pushing plates are installed on telescopic ends of the jig lifting cylinders 3a3, a plurality of jig positioning devices 3a5 are installed between the jig conveying component 3a1 and the jig recycling component 3a2, a plurality of battery cells 3a6 are placed on the jig conveying component 3a1, and the jig conveying component 3a1 and the jig recycling component 3a2 can reciprocate; cell detection feeding unit, it includes: the cylindrical lithium battery cell detection feeding mechanism 4 and the cylindrical lithium battery square highland barley paper automatic pasting mechanism 5; a nickel plate circuit board assembly unit comprising: the lithium battery protection plate feeding mechanism 6, the nickel plate automatic feeding mechanism 7, the nickel plate welding machine 8 and the protection plate edge removing material and feeding machine 9; the nickel sheet welding machine 8 is arranged at the middle section of the frame 1, and the protective plate edge removing material and feeding machine 9 is arranged at one side of the nickel sheet welding machine 8 and is positioned behind the jig conveying part 3a1 together with the nickel sheet welding machine 8; a butt-welded storage unit comprising: a lithium battery butt welding machine 10, a round highland barley paper automatic pasting machine 11 and a lithium battery post-welding good product detection and storage machine 12; the lithium battery butt-welding machine 10 is ridden over the jig conveying part 3a1 and is positioned in front of the protective plate edge removing material and feeding machine 9, the round highland barley paper automatic pasting machine is of a mirror image structure and ridden over the jig conveying part 3a1 and is positioned on one side of the lithium battery butt-welding machine 10, and the lithium battery post-welding good product detecting and storing machine 12 is arranged on the frame 1 and is positioned on the other side of the jig conveying part 3a 1; the battery cell structure is high in automation degree, the battery cell carrier is circulated through the circulating carrier structure on the battery cell structure, so that the battery cell can automatically circulate between various processing technologies, the battery cell detection feeding unit is used for detecting the problem of the battery cell, the nickel plate and the protection plate are automatically assembled and welded through the nickel plate circuit board assembly unit, the battery cell and the nickel plate are welded and detected and stored through the butt-welding storage unit, the automation of lithium battery production is realized through the structural cooperation, the labor cost is saved, a plurality of detection procedures are provided, and the production yield and the qualification rate are improved.
All electric components in the scheme are connected with an adaptive power supply through wires by a person skilled in the art, and an appropriate controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequences, and the electric connection is completed by referring to the following working principles in the working sequence among the electric components, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted from the description of electric control.
Examples: the main action flow of the scheme is (1): the qualified product is pushed onto a jig of the circulating carrier structure 3 after passing through the cylindrical lithium battery cell detection feeding mechanism 4; (2): after the battery cell is pushed onto the jig, a limiting rod pushed up by a limiting cylinder on the circulating carrier locks the through hole of the jig to realize positioning; (3): meanwhile, the square highland barley paper automatic pasting mechanism 5 of the cylindrical lithium battery sucks square highland barley paper through a sucker of the mechanical arm, then the mechanical arm sucked with the square highland barley paper is moved to the upper part of the jig through a module of the square highland barley paper mechanism, then the mechanical arm descends integrally, the positioning clamping jaw of the mechanical arm clamps the upper end and the lower end of the lithium battery to prevent the upper end and the lower end of the lithium battery from moving, and then the sucker pushes down the highland barley paper to be pasted on the side face of the battery core, so that the pasting procedure of the square highland barley paper is completed; (4): the battery core with the square highland barley paper adhered is then sent to a protective plate edge removing material and feeding machine 9 by a circulating carrier structure 3, and a circuit board with nickel plates welded is placed on the battery core; (5): the method comprises the steps that a whole row of lithium battery circuit protection boards are manually stacked on a bin of a lithium battery protection board feeding mechanism 6, the feeding protection boards and other protection boards to be fed are firstly isolated through an air cylinder and a partition board during feeding, the protection boards to be fed are lifted up through the air cylinder, after the lifting up, a single row of protection boards are sent to the lithium battery protection board feeding mechanism 6 by a feeding air cylinder, and the whole feeding mechanism with the whole row of circuit boards is moved to a nickel sheet welding position by the lithium battery protection board feeding mechanism 6 through a module; (6): after the nickel sheet feeding mechanism 7 is positioned at the position, the nickel sheets are pulled by the servo motor, the nickel sheets are respectively conveyed to the protection circuit board from left to right, the feeding length of the nickel sheet feeding mechanism 7 is controlled by the length meter in the feeding process of the nickel sheets, after the nickel sheet is fixed in length, the nickel sheet welding mechanism 8 welds the nickel sheets on the protection board, and then the nickel sheets are cut off by the air cylinder; (7): after the whole row of nickel sheets are welded in sequence, the lithium battery protection plate feeding mechanism 6 sends the whole row of protection plates to the protection plate edge removing material and the feeding machine 9; (8): the protective plate edge removing material and the feeding machine 9 place the protective plate welded with nickel sheets on the edge removing material mechanism through a gantry type mechanical arm, the connecting edges of the whole row of protective plates are removed in a mode of pressing the edges of the whole row of protective plates up and down by a middle inverse multiplexing cylinder, and independent separation of the protective plates is realized, and in the edge folding process, the relative position of each independent protective plate is unchanged because the whole row of protective plates are adsorbed by magnets; (9): placing the whole row of folded protection boards on a feeding mechanism, positioning and isolating the independent protection boards by the feeding mechanism through corresponding clamping grooves, grabbing the protection boards on the battery cores of the circulating carrier, which are already stuck with square highland barley paper, by a mechanical arm, and moving the jig with the protection boards and the battery cores to a welding position of the protection boards by the circulating carrier structure 3; (10): the jig reaching the butt-welding position of the lithium battery is also positioned and limited by a positioning mechanism of the circulating carrier structure 3, after being limited, the jig is installed above the circulating carrier through a mounting vertical plate and is pressed down by a cylinder of a pressing bending structure, on one hand, a thimble of the pressing structure props against the side part of the battery, on the other hand, a bending clamping groove of the pressing bending structure clamps the protruding parts of the left nickel sheet and the right nickel sheet of the side surface of the battery and bends downwards, and after bending, the lithium battery butt-welding machine 10 at the two sides of the circulating carrier structure 3 pushes the nickel sheet after bending inwards through the cylinder and welds the nickel sheet; after welding, the lithium battery butt-welding machine 10 is retracted again, the compaction bending structure is retracted, the battery core with the welded protection plate continuously flows down to the station of the automatic circular highland barley paper pasting machine along with the jig, the battery core is limited by the limiting device of the circulating jig, the circular highland barley paper is automatically torn and stretched by the cylinders at the two sides, the circular highland barley paper at the two sides of the battery core is automatically pasted on the battery core, and the battery core continuously flows down after pasting; (11): after the battery core stuck with the round highland barley paper reaches a post-welding detection station, the detection probe 4a5 of the lithium battery post-welding good product detection and storage machine 12 descends to detect and judge the voltage, the circuit, the short circuit and the like of the battery core, if the battery core is judged to be unqualified, the battery core is directly pushed out of the jig through a cylinder on the side surface, the pushed battery core can be just pushed into the jig in a defective product storage area on the other side, and a sensor is triggered to give an alarm after the defective product is full, so that manual material taking is reminded; if the battery cells are detected to be good products, continuing to flow down to a good product pushing structure, wherein the good product pushing mechanism is made into a simple truss manipulator through a cylinder combination, so that the combination movement of the upper and lower positions and the left and right positions can be realized, and the battery cells in the jig of the circulating carrier structure 3 can be clamped into the jig of the good product storage area; (12): after the qualified finished battery cell is taken away, the jig flows back to the beginning of the circulating carrier structure 3 from the lower channel through the circulating carrier structure 3.
As described above, the operation modes of the whole machine are simply described, and the operation modes of all mechanisms in the whole machine are described in detail below;
circulation carrier structure 3: as can be seen from fig. 3 of the specification, the flow channel of the jig is divided into an upper layer and a lower layer, the jig conveying component 3a1 and the jig recycling component 3a2 are pulled by a stepping motor to drive the electric core jig to move, the flowing directions of the upper layer and the lower layer of jigs are opposite, the electric core jig is initially pushed out to a first positioning part on the upper layer of the jig conveying channel by a jig pushing cylinder, when the electric core jig is positioned, the cylinder of the positioning part rises to have two pin columns just passing through two round holes at the bottom of the electric core jig, so that the electric core jig 1 is blocked from moving, when the electric core jig is required to be recycled after being used up, the jig lifting cylinder descends the jig to the jig reflux channel when reaching the tail end of the conveying line, the jig transferring cylinder pushes out the air arranged at the shrinkage end of the electric core jig, the jig transferring cylinder is retracted, when the electric core jig is initially pushed out to the upper part 3a2 of the jig, the air core jig is released, the electric core jig is initially lifted to the clamping jaw through the jig lifting cylinder 3a to the initial lifting end, and then the electric core is circulated to the slide rail lifting position by the clamping jaw;
Cylindrical lithium battery cell detects feed mechanism 4: according to the description, as shown in fig. 4 or 5, a worker puts a cylindrical electric core into a storage bin 4a1 by hand, due to the inclined design of a feeding plate in the storage bin 4a1, the cylindrical electric core automatically flows into a clamping groove position of a rotary machine wheel 4a4 along the feeding plate due to the dead weight of the cylindrical electric core, after entering the clamping groove position, a motor of the rotary machine wheel 4a4 rotates, the cylindrical electric core anticlockwise rotates to a detection position, in the rotating process, an arc groove stop block exists on the left side, therefore, the cylindrical electric core cannot fall to the detection position due to the influence of dead weight, a pushing detection part 4a7 pushes a detection probe 4a5 into the cylindrical electric core, battery parameter detection is carried out on the cylindrical electric core, whether the incoming electric core is qualified or not is judged, if the incoming electric core is qualified, the incoming electric core is transferred to a vertical falling station, an inner-side good material receiving ramp is carried out, if the incoming electric core is unqualified, a top material receiving cylinder is pushed to rise before the electric core reaches the vertical falling station, the upper-side material receiving module is just pushed, when the cylindrical electric core is just received by the vertical falling station, the electric core can be just connected to the electric core through the vertical falling station, if the inner-side material receiving module is just qualified, and the electric core is contracted, and the inner-side material receiving module is just receives the material falling from the upper-side 6 due to the dead weight, and the fact that the electric core is just down to the upper-side falling station is connected to the upper-side through the upper material receiving module through the upper connecting module; if the electric core is detected to be a defective product, when the electric core reaches a vertical falling station, a defective product pushing cylinder pushes inwards, a pushing ejector rod passes through a hole formed in a plate of a storage bin 4a1 to directly push the electric core to a defective product channel, then an outer side top pushing cylinder is used for recycling, a top pushing receiving module descends, the defective product slides down to the defective product channel along with the self weight reason, and when the defective product channel is piled to a certain height, a sensor on an inclined baffle plate 4a6 senses that the defective product is automatically reminded of an operator to take the defective product; when the qualified battery cell arrives at the feeding pushing station, the qualified battery cell arrives at the feeding sensor to detect the qualified battery cell in place, and then the feeding pushing cylinder 4a9 pushes the battery cell to the outside for feeding;
Automatic pasting mechanism 5 of square highland barley paper of cylinder lithium cell: as can be seen from fig. 6 of the specification, an operator mounts a square highland barley paper roll tray on a fixed shaft and connects one end thereof to the waste paper roll 5a 5; the servo motor drives the waste paper winding 5a5 to rotate driven, and then the servo motor drives the square highland barley paper to move, so that the highland barley paper is corrected by the first width correction wheel 5a4, the situation of uneven edges is prevented, the highland barley paper is leveled by the leveling pair roller 5a3, the phenomenon of curling is prevented, the highland barley paper is positioned and guided by the positioning guide groove, finally, the highland barley paper is wound on the waste paper winding 5a5 by the guide roller, the rotation of the servo motor of the waste paper winding 5a5 is stopped after the highland barley paper is sensed by the in-place detection sensor, the highland barley paper is stopped to move after the highland barley paper taking mechanism moves above the highland barley paper, the adsorption cylinder 5a10 is pushed by the vacuum chuck on the adsorption installation block to descend through the connector, the square highland barley paper is adsorbed, the servo motor is started continuously, the waste paper is pulled to the waste paper winding part, and the square highland barley paper is adsorbed by the vacuum chuck, so that the square highland barley paper is not pulled along with the waste paper, and the waste paper are stripped; the highland barley paper to be pasted can be sucked by a vacuum chuck at a fixed position, then the highland barley paper waste part moves along with the waste paper winding 5a5, and because the highland barley paper peeling mechanism is a downward inclined opening, when the highland barley paper is sucked by the vacuum chuck, the waste material moves along a downward inclined path along with traction, at the moment, the highland barley paper is not moved, the waste material moves obliquely downwards, namely, the highland barley paper to be peeled can be peeled off, and then the first linear module 5a8 on the first truss 5a7 moves left and right on the first truss 5a7, so that square highland barley paper is driven to move, and the connecting rod is driven to move downwards by the driving of a lifting cylinder piston; the suction cylinder 5a10 can realize lifting of the suction disc relative to the clamping jaw mounting plate when the piston of the suction cylinder 5a10 stretches out and draws back, so that the fixed battery cell is grabbed by the cooperation of the positioning clamping jaw and the limiting block, highland barley paper is adhered to the side surface of the battery at the fixed position, and the pressure of the vacuum suction disc can be checked and known through the vacuum negative pressure gauge;
Lithium battery protection board feed mechanism 6: according to the description, as shown in fig. 7, the adjusting screw can push or pull up the bottom plate slide block 6a2 to move, so as to adjust the distance between the pair of protection plate bin vertical plates and the second protection plate bin vertical plate 6a4, putting the protection plates into the bin, adjusting the length of the protection plates, fixing the protection plates by the adjusting screw, clamping the protection plates through the clamping plate cylinder 6a7, wherein the clamped protection plates are the last two layers, then jacking up more than two layers of protection plates by the lifting plate cylinder, and after jacking up, extending the pushing plate cylinder 6a8 to push forward the cylinder connecting blocks on the cylinder piston, so as to push forward the protection plates on the lowest layer to the protection plate feeding structure; the second linear module 6a11 is a structural body, the feeding bottom plate 6a12 is arranged on the second linear module 6a11 and can move on the second linear module 6a11, a pair of feeding limit flanges are respectively arranged on the left side and the right side of the feeding bottom plate 6a12, the feeding sliding block is arranged between the pair of limit flanges, the feeding adjusting threaded block is fixedly arranged on the feeding structure sliding block, the feeding adjusting screw threads penetrate through the feeding adjusting threaded block to be arranged on the feeding structure sliding block, one of the pair of feeding support vertical plates is arranged on the feeding structure sliding block, the other is arranged on the feeding structure bottom plate and is positioned at the rear side of the feeding structure sliding block, through holes are respectively formed in the pair of feeding support vertical plates, a pair of positioning cylinders are respectively arranged in the through holes of the feeding support vertical plates, a pair of cylinder connecting blocks are respectively arranged on the positioning cylinders, a pair of positioning plates are respectively arranged on the cylinder connecting blocks, the positioning plates are provided with equidistant bulges, the sensor mounting columns are arranged on the rear side of the linear module, and the position detection sensor is arranged on the sensor mounting columns.
Automatic nickel sheet feeding mechanism 7: according to the description of fig. 8, when the device is used, the nickel sheet is manually placed on the nickel sheet coiling tray 7a4, the stepping feeding motor receives a signal sent by the driver, the driving end drives the counter roller big roller to rotate, the nickel sheet clamped between the counter roller small roller and the counter roller big roller is fed forward under the action of friction force, the track of manually pulling the nickel sheet pulls the nickel sheet to the cutting edge, then the redundant part is cut off by initialization, the length of pulling is calculated by the length measuring sensor, the feeding motor drives the roller to pull the nickel sheet to a preset length, the stepping feeding motor pauses to rotate, meanwhile, the nickel sheet cutting cylinder 7a7 descends to push the cutting edge arranged on the piston to cut off the nickel sheet, when the feeding structure on the backboard is required to be adjusted left and right, the first screw is in threaded connection with the first bearing and the third through hole, the first screw rotates the first hand wheel, the first screw rotates, the bearing plate carries out left and right movement on the cutting edge through the first sliding groove on the first fixed block, and then the second screw rotates to control the first screw to rotate the second screw, and when the second screw rotates the second screw to rotate the second screw, and the second screw rotates the first screw and the second screw rotates the second screw through the first bearing and the second screw.
Nickel piece welding machine 8: according to the description, as shown in fig. 9, in the working process of the device, when the welding is required to be carried out by moving left and right, the controller controls the sliding end of the adjusting guide rail to move left and right, the sliding end drives the butt-joint structure to move left and right integrally, thereby realizing accurate movement in the left and right directions, the product quality is improved, when welding rod replacement or equipment maintenance is carried out, the controller controls the movable end of the hydraulic cylinder to pay out, the pay-off end can push the steering hanging block, the steering hanging block drives the main mounting plate to move by taking the rotating pin as an axis, thereby realizing the purpose of pushing up the butt-joint structure, when the butt-joint structure is supported for carrying out the work of welding rod replacement and maintenance, replacement of parts and the like, the labor expenditure of workers is reduced, the working efficiency is improved, when the welding rod and maintenance replacement are completed, the controller controls the hydraulic cylinder to shrink, the pay-off end withdraws to pull the steering hanging block, the steering hanging block drives the main mounting plate to reset, thereby resetting the main mounting plate, and the welding structure is reset, and at the moment, the controller controls the device to continue the welding work of advancing;
protection shield removes rim charge and material loading machine 9: according to the description of figure 10, when the device is operated, a nickel sheet guiding and flanging module is fixed above a protection plate edging and receiving module by using screws, a bayonet is formed by the nickel sheet guiding and flanging module bevel edge side and the protection plate edging module, when a protection circuit board is placed on a protection plate supporting plate of the protection plate by using a magnetic lifting mechanism, the nickel sheet guiding and flanging module and the protection plate edging module are pushed inwards along with a flanging fixing cylinder, in the internal pushing process, the bevel of the protection plate edging module is slightly lower than that of the nickel sheet because of the upper part of the protection circuit board, the nickel sheet can tilt along the bevel edge, the connection part of the protection plate edging is clamped by using the bayonet, then the flanging cylinder moves up and down to realize automatic edging and material removal, a magnetic pressing plate mechanism firstly presses and then sucks, and then a circuit board protecting plate welded with the nickel sheet is adsorbed to a working procedure by using a magnet block, and then a pushing cylinder of a station conversion gantry truss assembly pushes a movable supporting plate to move, so that the circuit board protecting plate can be formed at the tail end of the protection plate to a station of the flanging assembly; at the moment, the lifting cylinder of the pressing plate is at a high position, then the circuit protection board of the lifting cylinder of the pressing plate is pressed above the protection support plate of the flanging mechanism by the pressing plate, the flanging fixing cylinder pushes inwards, the nickel sheet is lifted up along the direction of the nickel sheet and the flanging module, the redundant connecting part of the edge of the protection board is inserted into the bayonet, at the moment, the middle of the circuit board is pressed up and down by the pressing plate and the support vertical plate and is fixed, then the flanging cylinder moves up and down to drive the bayonet to move up and down, the edge part of the protection board falls down to the notch of the material removing and receiving module of the protection board along with the upward and downward folding of the bayonet to collect waste, the circuit board also becomes a single circuit board from the whole after flanging, at the moment, the circuit board is also absorbed by the magnet block while being pressed, the magnetic attraction lifting cylinder rises after the flanging, after rising to the high position, the station conversion gantry truss moves the circuit protection board after the flanging to the material feeding component, after the feeding component fixing position is reached, the magnetic lifting cylinder descends to place a single independent circuit board in the protective board clamping groove, the clamping groove distance is fixed, at the moment, the magnetic lifting cylinder is lifted firstly, the circuit board is pressed by the pressing plate and cannot ascend along with the magnet fixing plate, after the magnet fixing plate ascends to a high position, the magnetic lifting cylinder ascends to finish discharging, the circuit board placed in the clamping groove moves along with the linear module to a feeding grabbing station, the feeding grabbing manipulator mounting sliding block and the feeding pushing cylinder component realize the plane position movement of the circuit protective board, the single protective circuit board can be absorbed into a lithium battery cell clamp in the same plane, and the lithium battery cell is assembled, specifically, a feeding manipulator of the feeding manipulator mounting sliding block descends along with the feeding pushing cylinder, magnets on a feeding manipulator of the feeding manipulator mounting sliding block adsorb the protective board, and after adsorption, the feeding manipulator of the feeding manipulator mounting slide block ascends along with the feeding pushing cylinder, then the feeding pushing cylinder advances rightwards to push the protection plate to a preset position, and after the feeding manipulator cylinder of the feeding manipulator mounting slide block descends, the protection plate falls into the clamp.
Automatic pasting machine 11 of round highland barley paper: according to the description of figure 11, the round highland barley paper is wound on the round highland barley paper tray before production, the waste paper is manually pulled to the waste recovery reel according to the sequence of the round highland barley paper tray, the width correction wheel, the width guide groove and the highland barley paper stripping module, in the production process, when one electric core in the jig advances to a preset position, the waste recovery reel is driven to rotate by the driving piece, and then the waste recovery reel is pulled out of the highland barley paper tray, the round highland barley paper is pulled out of the round highland barley paper tray to keep longitudinal stability after being pulled out of the round highland barley paper tray by the correction of the width correction wheel, so that the round highland barley paper cannot deviate from a working track, the path between the round highland barley paper passing through the width guide groove and the highland barley paper stripping module cannot deviate, when the round highland barley paper arrives at the stripping module, the telescopic end of the suction claw cylinder is controlled to extend, the vacuum suction claw is extended, the round sticky piece on the highland barley paper is sucked, waste paper adhered to the highland barley paper is continuously pulled and received, the waste paper is guided into the waste recovery reel through the slope structure of the front end, the highland barley paper and waste are peeled off, the peeled highland barley paper is sucked by the suction claw, the suction claw cylinder is recovered, the vacuum chuck is retracted, the suction claw jacking cylinder is lowered, the round highland barley paper is aligned to the upper surface and the lower surface of the battery core in the jig, the suction claw cylinder extends again to adhere the highland barley paper to the battery core, the adhered battery core advances forward to carry out the next procedure, the telescopic end of the suction claw jacking cylinder is lifted, and then the suction claw lifting slide block is driven to lift in the lifting slide rail, and the working steps are repeated, so that the automatic pasting procedure of the highland barley paper of the lithium battery core can be completed.
Lithium battery post-welding good product detection and storage machine 12: according to the attached drawing 12 of the specification, after the lithium battery cell is welded by butt welding, a protection plate is welded on the side surface of the cell through a nickel sheet, after welding, the protection plate is conveyed to a detection station along with a conveying belt on a lithium battery circulating carrier, after conveying the protection plate in place, the belt is stopped moving, a jig on the belt is jacked and locked by a positioning structure on the circulating carrier (the positioning mechanism is that a cylinder drives a push rod on a piston to pass through a through hole on the jig to clamp the jig), positioning and limiting are realized, after the detection position is reached, a good product detection structure is detected, a detection cylinder descends, a detection probe on a connecting block on the cylinder piston is controlled to move downwards to touch telecommunication and then detect voltage, current and the like, short circuit test and the like are carried out on the cell, and after detection is finished, if the welded cell is unqualified, a defective product pushing cylinder directly pushes the cell in the jig to another jig at a defective product storage place of the side surface; after detection, if the welded battery cell is qualified, a positioning structure ejector rod on the circulating carrier descends, and the jig is continuously conveyed to a battery cell pushing structure by a belt;
after the qualified battery cell reaches the battery cell pushing structure, the jig is positioned and limited by the positioning structure of the circulating carrier structure 3, then the pushing cylinder is retracted, the guide rail cylinder is lowered, the clamping jaw of the cylinder clamps the battery cell of the lithium battery after the battery cell is lowered in place, the guide rail cylinder is clamped to rise, the pushing cylinder is extended after the battery cell is pushed to the top, the battery cell is moved to the upper side of the storage plate of the good product, the guide rail cylinder is lowered again to release the clamping jaw after the battery cell is placed in the jig, and thus the good product is moved from the circulating carrier to the good product area.
The above technical solution only represents the preferred technical solution of the present invention, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present invention, and the technical solution falls within the scope of the present invention.
Claims (7)
1. The automatic assembling and welding equipment for the cylindrical lithium battery protection plate comprises a frame (1), a circulating carrier structure (3) and a touch operation screen (2), and is characterized in that the circulating carrier structure (3) is arranged on the frame (1) and is arranged along a middle line, the touch operation screen (2) is arranged on the frame (1) and is positioned behind the circulating carrier structure (3), a nickel plate circuit board assembling unit is arranged behind the circulating carrier structure (3), a battery core detection feeding unit is arranged on the left side of the circulating carrier structure (3), and a butt welding storage unit is arranged in the middle section and the right side of the circulating carrier structure (3);
the endless carrier structure (3) comprises: the jig comprises a jig conveying component (3 a 1), a jig recycling component (3 a 2), a pair of jig lifting cylinders (3 a 3) with the same structure, a pair of jig pushing cylinders (3 a 4) with the same structure, a plurality of jig positioning devices (3 a 5) with the same structure and a plurality of jigs with the same structure;
the jig conveying components (3 a 1) and the jig recycling components (3 a 2) are arranged up and down, the front position and the rear position of the jig conveying components correspond to each other, a pair of jig lifting cylinders (3 a 3) are arranged on the frame (1) and are positioned on two sides of the jig conveying components (3 a 1) and the jig recycling components (3 a 2), a pair of pushing plates are arranged on telescopic ends of the jig lifting cylinders (3 a 3), a plurality of jig positioning devices (3 a 5) are arranged between the jig conveying components (3 a 1) and the jig recycling components (3 a 2), a plurality of battery core jigs (3 a 6) are arranged on the jig conveying components (3 a 1), and the jig conveying components (3 a 1) and the jig recycling components (3 a 2) can reciprocate;
The electricity core detects feeding unit, it includes: the cylindrical lithium battery cell detection feeding mechanism (4) and the cylindrical lithium battery square highland barley paper automatic pasting mechanism (5);
the nickel plate circuit board assembly unit includes: the lithium battery protection plate feeding mechanism (6), the nickel plate automatic feeding mechanism (7), the nickel plate welding machine (8) and the protection plate edge removing and feeding machine (9);
the nickel sheet welding machine (8) is arranged at the middle section of the frame (1), the protective plate edge removing material and the feeding machine (9) are arranged at one side of the nickel sheet welding machine (8), and are both positioned behind the jig conveying component (3 a 1) together with the nickel sheet welding machine (8);
a butt-welded storage unit comprising: a lithium battery butt welding machine (10), a round highland barley paper automatic pasting machine (11) and a lithium battery post-welding good product detection and storage machine (12);
the lithium battery butt-welding machine (10) is ridden and straddled on the jig conveying part (3 a 1) and is positioned in front of the protective plate edge removing material and the feeding machine (9), the round highland barley paper automatic pasting machine is of a mirror image structure and is ridden and straddled on the jig conveying part (3 a 1) and is positioned on one side of the lithium battery butt-welding machine (10), and the lithium battery post-welding good product detection and storage machine (12) is arranged on the frame (1) and is positioned on the other side of the jig conveying part (3 a 1).
2. The automatic assembly welding equipment for the cylindrical lithium battery protection plate according to claim 1, wherein the cylindrical lithium battery cell detection feeding mechanism (4) comprises: the automatic feeding device comprises a storage bin (4 a 1), a good product pushing cylinder (4 a 2), a defective product receiving ramp (4 a 3), a rotating machine wheel (4 a 4), a circular arc groove baffle, an inclined baffle (4 a 6), a pushing detection component (4 a 7), a defective product pushing cylinder (4 a 8) (4 a 2) and a feeding pushing cylinder (4 a 9);
the storage bin (4 a 1) is arranged at the rear of the supporting seat, is of a cavity structure with a cabin door movably arranged in front of an opening of the spliced upper wall and the lower wall, a feeding plate is obliquely arranged below the cavity structure, the rotating machine wheel (4 a 4) is movably arranged at one end of the storage bin (4 a 1), the rear wall surface of the rotating machine wheel is connected with a rotating machine wheel (4 a 4) motor, the inclined baffle (4 a 6) is obliquely arranged on the left wall surface of the storage bin (4 a 1), the arc groove baffle is arranged on the left wall surface of the storage bin (4 a 1) and is positioned below the inclined baffle (4 a 6), a notch of the arc groove baffle is matched with the rotating machine wheel (4 a 4), the defective product receiving ramp (4 a 3) and the defective product receiving ramp are movably connected with one end of the supporting seat, the other end of the defective product receiving slope is positioned right below the rotary machine wheel (4 a 4), the lower wall surfaces of the defective product receiving slope and the rotary machine wheel are both connected with an upper jacking receiving cylinder, the pushing detection part (4 a 7) is arranged in front of the storage bin (4 a 1), the defective product receiving slope is positioned at the left side of the defective product receiving slope (4 a 3), the front end probe of the defective product receiving slope is aligned with one side of the rotary machine wheel (4 a 4), the defective product pushing cylinder (4 a 8) (4 a 2) is arranged on the rear wall surface of the storage bin (4 a 1), the telescopic end of the defective product pushing cylinder is aligned with the top point of the lower end of the rotary machine wheel (4), the rear wall surface of the storage bin (4 a 1) is provided with a through hole matched with the top pushing cylinder, the feeding pushing detection part (4 a 9) is arranged at the right end of the support seat, the telescopic end of the feeding detection part is aligned with the slope plate, and the slope plate is arranged in parallel with the left end of the jig conveying part (3 a 1), and is aligned with the leftmost jig positioning devices (3 a 5) in front and back.
3. The automatic assembling and welding equipment for the cylindrical lithium battery protection plate according to claim 1, wherein the automatic pasting mechanism (5) for the square highland barley paper of the cylindrical lithium battery comprises: the highland barley paper machine comprises a highland barley paper supporting vertical plate (5 a 1), a square highland barley paper material tray (5 a 2), a leveling pair roller (5 a 3), a first width correction wheel (5 a 4), a waste paper rolling (5 a 5), a width guide groove (5 a 6) and a truss manipulator;
the highland barley paper supporting vertical plate (5 a 1) is arranged on the frame (1) and is positioned in front of the jig conveying component (3 a 1), the square highland barley paper tray (5 a 2) is movably arranged at the right end of the front wall of the supporting vertical plate, the leveling counter roll (5 a 3) is arranged at the left end of the highland barley paper supporting vertical plate (5 a 1), a plurality of first width correction wheels (5 a 4) are arranged between the leveling counter roll and the square highland barley paper tray (5 a 2), the waste paper winding (5 a 5) is movably arranged at the front wall of the supporting vertical plate and is positioned at the front lower part of the square highland barley paper tray (5 a 2), a second servo motor is connected with the rear wall surface of the rear supporting vertical plate, the width guide groove (5 a 6) is arranged at the left end of the highland is aligned with the center crack of the leveling counter roll (5 a 3), and the mechanical arm is arranged at the left side of the highland barley paper supporting vertical plate (5 a 1);
The truss manipulator, it includes: the device comprises a first truss (5 a 7), a first linear module (5 a 8), a lifting cylinder, an adsorption cylinder (5 a 10) and an adsorption sucker (5 a 11);
the first truss (5 a 7) is installed on the frame (1) and is located on the left side of the supporting vertical plate, the rear end of the first truss is located on the left end of the jig conveying component (3 a 1) and aligned, the first linear module (5 a 8) is installed on the gantry truss, the lifting cylinder is installed at the right end of the sliding block of the first linear module (5 a 8), the adsorption cylinder (5 a 10) is installed on a connecting block of the telescopic end of the lifting cylinder, the adsorption sucker (5 a 11) is installed on a cylinder connecting head of the telescopic end of the adsorption cylinder (5 a 10), and the opening of the adsorption sucker (5 a 11) is vertically downward.
4. The automatic assembling and welding equipment for the cylindrical lithium battery protection plate according to claim 1, wherein the lithium battery protection plate feeding mechanism (6) mainly comprises: the protection bin comprises a protection bin bottom plate (6 a 1), a bottom plate sliding block (6 a 2), a first protection plate bin vertical plate (6 a 3), a second protection plate bin vertical plate (6 a 4), a pair of protection plate baffles (6 a 5) with the same structure, a pair of protection bin clamping plates (6 a 6) with the same structure, a pair of clamping plate cylinders (6 a 7) with the same structure, a push plate cylinder (6 a 8), a first linear sliding rail (6 a 9) and a push plate limiting block (6 a 10);
The protection bin bottom plate (6 a 1) is arranged on the frame (1) and is positioned behind the storage bin (4 a 1), the bottom plate sliding block (6 a 2) is movably arranged on the protection bin bottom plate, a first adjusting screw is movably arranged between the front end of the bottom plate sliding block and the protection bin bottom plate, the first protection bin vertical plate (6 a 3) is arranged on the bottom plate, the second protection bin vertical plate (6 a 4) is arranged on the bottom plate sliding block (6 a 2), a pair of protection plate baffle plates (6 a 5) are movably arranged between the first protection bin vertical plate (6 a 3) and the second protection plate bin vertical plate (6 a 4), and a protection plate length adjusting screw is movably arranged between the right side of the bottom plate sliding block and the first protection plate bin vertical plate (6 a 3) and between the right side of the second protection plate bin vertical plate (6 a 4), the first guard board bin vertical plate (6 a 3) and the second guard board bin vertical plate (6 a 4) are provided with a pair of clamping grooves with the same structure, a pair of guard board bin clamping plates (6 a 6) are respectively movably installed in the pair of clamping grooves, are respectively connected with a pair of clamping board air cylinders (6 a 7) with the same structure, the pair of clamping board air cylinders (6 a 7) are connected with the first guard board bin vertical plate (6 a 3) and the second guard board bin vertical plate (6 a 4) through a pair of lifting board air cylinders with the same structure, the first linear sliding rail (6 a 9) is installed between the first guard board bin vertical plate (6 a 3) and the second guard board bin vertical plate (6 a 4) and is positioned below the clamping plates, the push plate cylinder (6 a 8) is arranged on the left side of the push plate cylinder, the telescopic end of the push plate cylinder is connected with the first linear slide rail (6 a 9), and the push plate limiting block (6 a 10) is arranged on a sliding block of the first linear slide rail (6 a 9);
Lithium battery protection board feed mechanism (6), it still includes: the feeding device comprises a second linear module (6 a 11), a feeding bottom plate (6 a 12) sliding block (6 a 2), a first feeding support vertical plate (6 a 14), a second feeding support vertical plate (6 a 15) and an in-place sensor (6 a 16);
the second linear module (6 a 11) is installed on one side of the protection plate bin riser, the feeding bottom plate (6 a 12) is installed on the second linear module (6 a 11) slider, the feeding bottom plate (6 a 12) slider (6 a 2) is movably installed on the feeding bottom plate (6 a 12), a second adjusting screw is movably installed at one end of the feeding bottom plate (6 a 12), the first feeding support riser (6 a 14) is installed on the feeding bottom plate (6 a 12) and aligned with the first protection plate bin riser (6 a 3), the second feeding support riser (6 a 15) is installed on the feeding bottom plate (6 a 2) slider (6 a 2) and corresponds to the second protection plate bin riser (6 a 4), and the in-place sensor (6 a 16) is installed at the rear of the feeding bottom plate (6 a 3) and aligned with the right side of the first protection plate bin riser (6 a 4).
5. The automatic assembling and welding device for the cylindrical lithium battery protection plate according to claim 1, wherein the automatic nickel sheet feeding mechanism (7) is composed of a pair of automatic nickel sheet feeding structures with the same structure, is positioned on the right side of the feeding mechanism for the lithium battery protection plate circuit board, is arranged in a mirror image manner along the front side and the rear side of the second linear module (6 a 11), and comprises: a front-back adjusting bottom plate (7 a 1), a left-right adjusting sliding block (7 a 2), a nickel sheet supporting vertical plate (7 a 3), a nickel sheet coiling tray (7 a 4), a length sensor (7 a 5), a nickel sheet pair roller block (7 a 6), a nickel sheet cutting cylinder (7 a 7) and a feeding pair roller small roller (7 a 8);
The nickel sheet feeding device is characterized in that the front and rear adjusting bottom plate (7 a 1) is arranged on the frame (1) and is located behind the second linear module (6 a 11), the left and right adjusting sliding block (7 a 2) is movably mounted on the front and rear adjusting bottom plate (7 a 1), the nickel sheet supporting vertical plate (7 a 3) is mounted on the left and right adjusting sliding block (7 a 2), the nickel sheet coiling tray (7 a 4) is mounted on the nickel sheet supporting vertical plate (7 a 3) through an extension rod, the length sensor (7 a 5) is mounted on the nickel sheet supporting vertical plate (7 a 3) and is arranged close to the rear, the nickel sheet counter roller block (7 a 6) is mounted on the nickel sheet supporting vertical plate (7 a 3) and is located in front of the length sensor (7 a 5), a plurality of correction rollers are mounted between the nickel sheet supporting vertical plate and are mounted on the left and right adjusting sliding block (7 a 2), a motor is connected to the right side wall surface of the nickel sheet supporting vertical plate (7 a 3) through extension rods, and a cutting knife edge (7 a) is mounted on the nickel sheet supporting vertical roller block (7 a 3), and the feeding roller block (7 a) is mounted at the front end of the nickel sheet supporting vertical roller block (7 a 3).
6. The automatic assembling and welding equipment for the cylindrical lithium battery protection plate according to claim 1, wherein the frame (1) is an integrally formed steel structure double-spliced cabinet body, and a plurality of supporting feet (13) with the same structure extend from four corners of the lower wall surface: the support leg (13) is used for supporting the frame (1).
7. The automatic assembling and welding equipment for the cylindrical lithium battery protection plates according to claim 6, wherein a plurality of universal wheels (14) matched with the supporting legs (13) are arranged on the inner sides of the supporting legs: the universal wheel (14) is used for moving the frame (1).
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| 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 |
| CN117686939A (en) * | 2024-02-02 | 2024-03-12 | 宁德时代新能源科技股份有限公司 | Battery nickel piece welding quality detection system and battery nickel piece welding quality detection method |
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