CN112909439A - Nickel sheet spot welding equipment for lithium battery packaging process - Google Patents
Nickel sheet spot welding equipment for lithium battery packaging process Download PDFInfo
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- CN112909439A CN112909439A CN202110091441.7A CN202110091441A CN112909439A CN 112909439 A CN112909439 A CN 112909439A CN 202110091441 A CN202110091441 A CN 202110091441A CN 112909439 A CN112909439 A CN 112909439A
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 197
- 238000003466 welding Methods 0.000 title claims abstract description 109
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 100
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 46
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000012858 packaging process Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 128
- 238000012546 transfer Methods 0.000 claims abstract description 45
- 238000004806 packaging method and process Methods 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims description 65
- 238000001179 sorption measurement Methods 0.000 claims description 58
- 230000005540 biological transmission Effects 0.000 claims description 36
- 238000007599 discharging Methods 0.000 claims description 22
- 238000003860 storage Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 229910000733 Li alloy Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 239000001989 lithium alloy Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000002815 nickel Chemical class 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the field of lithium batteries, in particular to nickel sheet spot welding equipment for a lithium battery packaging process, which comprises a battery cell feeding mechanism, a battery cell feeding mechanism and a battery cell feeding mechanism, wherein the battery cell feeding mechanism is used for storing battery cells of a lithium battery and performing one-by-one blanking work of the battery cells; the conveying belt is arranged at the bottom of the battery cell feeding mechanism, and the battery cell feeding mechanism is arranged close to the input end of the conveying belt and used for receiving the battery cells discharged by the battery cell feeding mechanism and transferring the battery cells; the spot welding front transfer mechanism is arranged on the side part of the conveying belt and used for picking up the electric core conveyed on the conveying belt; the nickel sheet supply mechanism is arranged on the side part of the conveying belt, is close to the output end of the battery cell feeding mechanism and is used for supplying nickel sheets for lithium battery packaging; the welding mechanism is arranged on the side part of the pre-spot welding transfer mechanism and used for receiving the battery cell transferred by the pre-spot welding transfer mechanism.
Description
Technical Field
The invention relates to the field of lithium batteries, in particular to nickel sheet spot welding equipment for a lithium battery packaging process.
Background
Batteries are the power source for many electronic and electrical devices. The rapid development of traffic, communication and electronic information technologies, the deep popularization of electric vehicles, mobile phones, notebook computers and the like in the life of people greatly promote the progress of battery technology, so that novel battery products emerge endlessly. A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of science and technology, lithium batteries have become mainstream lithium batteries and can be roughly divided into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.
Since the advent of the lithium battery, the lithium battery has the remarkable advantages of becoming a market hotspot, replacing a wired power supply and a fuel power supply in many occasions, and providing energy and power guarantee for the rapid development of modern electronic and wireless communication industries. Lithium batteries refer to batteries that contain lithium (including metallic lithium, lithium alloys and lithium ions, lithium polymers) in an electrochemical system.
The lithium battery packaging process is to connect the battery core with the nickel plate, then connect the battery core with the protective plate to the output terminal on the protective plate through the led-out nickel plate, and then add the manufactured battery core with the protective plate to the outer packaging shell such as aluminum shell, steel shell or thermoplastic aluminum plastic packaging film to form the battery. The existing battery packaging process mainly adopts a welding mode to connect a battery core and a nickel sheet, and the battery core is connected to an output terminal on a protection plate through the led-out nickel sheet, but in the existing lithium ion battery production industry, the spot welding nickel sheet process for packaging the battery is still in a manual operation mode, the manual operation efficiency is low, the instability exists, and great obstacles are brought to the quality control of the products.
Disclosure of Invention
The technical problem to be solved by the invention is to provide nickel sheet spot welding equipment for a lithium battery packaging process, and the technical scheme solves the problems of low manual operation efficiency, instability and great obstacle to the quality control of a biological product at present.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides nickel sheet spot welding equipment for a lithium battery packaging process, which comprises the following steps:
the battery cell feeding mechanism is used for storing the battery cells of the lithium battery and performing the one-by-one blanking work of the battery cells;
the conveying belt is arranged at the bottom of the battery cell feeding mechanism, and the battery cell feeding mechanism is arranged close to the input end of the conveying belt and used for receiving the battery cells discharged by the battery cell feeding mechanism and transferring the battery cells;
the spot welding front transfer mechanism is arranged on the side part of the conveying belt and used for picking up the electric core conveyed on the conveying belt;
the nickel sheet supply mechanism is arranged on the side part of the conveying belt, is close to the output end of the battery cell feeding mechanism and is used for supplying nickel sheets for lithium battery packaging;
and the welding mechanism is arranged on the side part of the pre-spot welding transfer mechanism, receives the electric core transferred by the pre-spot welding transfer mechanism, and performs spot welding of the nickel sheet and the electric core at the nickel sheet supply mechanism.
Optionally, the battery core feeding mechanism includes:
a feeding support frame;
the material storage barrel is fixed on the feeding support frame, a feeding port and a discharging port are respectively formed in the top end and the bottom end of the material storage barrel, and the bottom end of the material storage barrel is conical;
the discharging bin is arranged at the bottom end of the material storage barrel and is connected with a discharging port of the material storage barrel, and a discharging port is arranged on one side of the discharging bin;
the discharging rotary drum is rotatably connected in the discharging bin, a plurality of placing grooves for containing the battery cells are arranged at the edge of the discharging rotary drum, and the placing grooves are uniformly distributed on the discharging rotary drum in a circumferential manner;
the motor mounting seat is arranged on the feeding support frame;
the feeding driving motor is arranged on the motor mounting seat;
the first gear is in transmission connection with an output shaft of the feeding driving motor;
and the second gear is rotatably connected to the feeding support frame, coaxially and fixedly connected with the blanking rotary drum and meshed with the first gear.
Optionally, a certain gap exists between the outer wall of the blanking rotating drum and the inner wall of the discharging bin, and the size of the gap cannot allow the power core to penetrate through the gap.
Optionally, the pre-spot welding transfer mechanism includes:
the transfer support frame is positioned on the side part of the conveying belt and is close to the output end of the conveying belt;
the third displacement driver is arranged on the transfer support frame, and the transmission direction of the third displacement driver is horizontally arranged;
the fourth displacement driver is arranged at the output end of the third displacement driver, and the transmission direction of the fourth displacement driver is vertical to that of the third displacement driver;
the mounting seat is arranged on the output end of the fourth displacement driver;
the fifth displacement driver is arranged on the mounting seat, and the transmission direction of the fifth displacement driver is vertical to the mounting seat;
the transfer adsorption seat is arranged on the output end of the fifth displacement driver;
a plurality of second adsorption tanks, align to grid is in the bottom of transfer adsorption seat, the cross-section of second adsorption tank is semi-circular, all is equipped with a plurality of second adsorption holes in the second adsorption tank, and the second adsorption hole is used for adsorbing electric core.
Optionally, the nickel sheet feeding mechanism includes:
the supply support frame is arranged at the side part of the conveying belt and is close to the output end of the conveying belt;
a supply driving motor arranged on the supply support frame;
a rotary support frame arranged on the supply support frame;
the supply roller is rotatably connected to the rotating support frame, and the supply driving motor is in transmission connection with the supply roller through a transmission assembly;
and the nickel strip is wound on the supply roller, is pulled out of the supply support frame and enters the position of the welding mechanism.
Optionally, the supply support frame is provided with a plurality of guide rollers for conducting wires on the traction route of the nickel strip, and the guide rollers are rotatably connected with the supply support frame.
Optionally, the side of the supply support frame is provided with a tension roller capable of rotating, and the tension roller is driven by the tension roller in the traction process.
Optionally, be equipped with tensioning assembly on the supply support frame, tensioning assembly is located the side of supply roller, and guide roll and tensioning roller are located between supply roller, the tensioning assembly, and tensioning assembly includes:
the tensioning driving cylinder is arranged on the supply support frame;
the movable frame is in transmission connection with an output shaft of the tensioning driving cylinder;
the fixing frame is fixed on the supply supporting frame, and a space for the nickel strap to pass through is arranged between the movable frame and the fixing frame.
Optionally, the welding mechanism includes:
the welding table is arranged beside the supply support frame and is close to the output end of the conveying belt;
the forward driver is arranged beside the welding table;
the sliding seat is in transmission connection with the output end of the forward movement driver:
the electric welding machine is arranged on the sliding seat;
ejecting out the driving cylinder and erecting the driving cylinder on the sliding seat;
the ejection plate is in transmission connection with an output shaft of the ejection driving cylinder;
and the ejector pins are arranged at one end of the ejector plate, which is far away from the ejection driving cylinder, and are used for ejecting the nickel sheets on the nickel belt.
Optionally, still include electric core placement mechanism, set up between electric core feeding mechanism and the preceding shift mechanism of spot welding, electric core placement mechanism is used for the electric core of arranging the transport on the conveyer belt in order, and electric core placement mechanism includes:
the placing support frame is positioned on the side part of the conveying belt;
the first displacement driver is arranged on the placing support frame, and the transmission direction of the first displacement driver is horizontally arranged;
the first displacement seat is arranged on the output end of the first displacement driver;
the second displacement driver is arranged on the first displacement seat, and the transmission direction of the second displacement driver is vertical to the first displacement seat;
the placing adsorption seat is arranged on the output end of the second displacement driver;
the first adsorption grooves are uniformly arranged at the bottom end of the placing adsorption seat, the cross sections of the first adsorption grooves are semicircular, a plurality of first adsorption holes are formed in the first adsorption grooves, and the first adsorption grooves are used for adsorbing the battery cell.
Compared with the prior art, the invention has the beneficial effects that:
firstly, put electric core into electric core feeding mechanism, then electric core feeding mechanism carries out the work of unloading one by one of electric core, with electric core unloading to the conveyer belt, the conveyer belt is at the course of the work, shift electric core to the output of conveyer belt from the input of conveyer belt, electric core placement mechanism is at this in-process, arrange electric core in order, shift mechanism removes picking up electric core before the follow-up spot welding of being convenient for, shift mechanism picks up more than one electric core before the spot welding and shifts to nickel piece feeding mechanism department, nickel piece can be supplied with to welding mechanism department, the welding of electric core and nickel piece is carried out in nickel piece feeding mechanism department, this nickel piece spot welding setting can accomplish the electric core unloading to the spot welding fully automatically, the supply of nickel piece, the location of electric core, carry, mechanical spot welding operation completion is to the welding between electric core and the nickel piece, make the efficiency of encapsulation battery high, product quality is stable.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
FIGS. 2 and 3 are schematic structural diagrams of two different views of an embodiment of the present invention;
fig. 4 is a first schematic structural diagram of the conveyor belt, the cell placing mechanism, the pre-spot welding transfer mechanism, the nickel sheet supply mechanism and the welding mechanism in the embodiment of the invention;
FIG. 5 is an enlarged schematic view at A in FIG. 4;
FIG. 6 is an enlarged schematic view at B of FIG. 4;
fig. 7 is a second schematic structural diagram of the conveying belt, the cell placing mechanism, the pre-spot welding transfer mechanism, the nickel sheet supply mechanism and the welding mechanism in the embodiment of the invention;
FIG. 8 is a schematic structural view of a nickel plate feeding mechanism and a welding mechanism according to an embodiment of the present invention;
FIG. 9 is an enlarged schematic view at C of FIG. 8;
FIG. 10 is a schematic view of the structure of the nickel plate feeding mechanism according to the embodiment of the present invention.
The reference numbers in the figures are:
1-a battery cell feeding mechanism; 11-a feeding support frame; 12-a storage cylinder; 13-discharging bin; 14-a blanking drum; 15-placing a groove; 16-a motor mount; 17-a feed drive motor; 18-a first gear; 19-a second gear;
2-a conveyor belt;
3-a battery cell placing mechanism; 31-placing a support frame; 32-a first displacement driver; 33-a first displacement seat; 34-a second displacement drive; 35-placing an adsorption seat; 36-a first adsorption tank; 37-a first adsorption hole;
4-a pre-spot welding transfer mechanism; 41-transfer the support frame; 42-a third displacement drive; 43-a fourth displacement drive; 44-a mounting seat; 45-a fifth displacement drive; 46-a transfer adsorption seat; 47-a second adsorption tank; 48-a second adsorption well;
5-a nickel sheet supply mechanism; 51-supply support shelf; 52-supply drive motor; 53-a transmission assembly; 54-rotating the support frame; 55-a supply roll; 56-nickel strap; 57-guide rolls; 58-tension roller; 59-a tensioning assembly; 591-tensioning driving cylinder; 592-a movable frame; 593-a mount;
6-a welding mechanism; 61-a welding table; 62-a reach driver; 63-sliding seat; 64-a welding machine; 65-ejecting the driving cylinder; 66-ejector plate; 67-thimble;
and 7-electric core.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As a preferred embodiment of the present invention, the present invention provides a nickel plate spot welding apparatus for a lithium battery packaging process, comprising:
the battery cell feeding mechanism is used for storing the battery cells of the lithium battery and performing the one-by-one blanking work of the battery cells;
the conveying belt is arranged at the bottom of the battery cell feeding mechanism, and the battery cell feeding mechanism is arranged close to the input end of the conveying belt and used for receiving the battery cells discharged by the battery cell feeding mechanism and transferring the battery cells;
the spot welding front transfer mechanism is arranged on the side part of the conveying belt and used for picking up the electric core conveyed on the conveying belt;
the nickel sheet supply mechanism is arranged on the side part of the conveying belt, is close to the output end of the battery cell feeding mechanism and is used for supplying nickel sheets for lithium battery packaging;
and the welding mechanism is arranged on the side part of the pre-spot welding transfer mechanism, receives the electric core transferred by the pre-spot welding transfer mechanism, and performs spot welding of the nickel sheet and the electric core at the nickel sheet supply mechanism.
The design of the nickel sheet spot welding device is that firstly, the battery core is put into the battery core feeding mechanism, then the battery core feeding mechanism carries out the one-by-one blanking work of the battery core, the battery core is blanked onto the conveyer belt, during the working process of the conveyer belt, the battery cell is transferred from the input end of the conveyer belt to the output end of the conveyer belt, and in the process, the battery cell placing mechanism, arranging the electric core, facilitating the subsequent pre-spot welding transfer mechanism to pick up the electric core, picking up more than one electric core by the pre-spot welding transfer mechanism and transferring the electric core to the nickel sheet supply mechanism, supplying the nickel sheet to the welding mechanism, welding the electric core and the nickel sheet at the nickel sheet supply mechanism, this nickel piece spot welding sets up can accomplish the electric core unloading, the supply of nickel piece, the location of electric core, the transport of spot welding full-automatically, has realized that mechanical spot welding operation is accomplished the welding between electric core and the nickel piece for the efficient of encapsulation battery, product quality are stable.
The following describes a preferred embodiment of the spot welding apparatus for nickel plate according to the present invention with reference to the accompanying drawings.
Referring to fig. 1 to 3, the spot welding apparatus for nickel plate includes:
and the battery cell feeding mechanism 1 is used for storing the battery cells 7 of the lithium battery and carrying out one-by-one blanking work of the battery cells 7.
The conveyer belt 2 is arranged at the bottom of the battery cell feeding mechanism 1, and the battery cell feeding mechanism 1 is arranged close to the input end of the conveyer belt 2 and used for receiving the battery cell 7 fed by the battery cell feeding mechanism 1 and transferring the battery cell 7.
And the pre-spot welding transfer mechanism 4 is arranged on the side part of the conveyer belt 2 and is used for picking up the battery cell 7 conveyed on the conveyer belt 2.
And the battery cell placing mechanism 3 is arranged between the battery cell feeding mechanism 1 and the spot welding front transfer mechanism 4 and is used for arranging the battery cells 7 conveyed on the conveying belt 2 and transferring the battery cells 7 by the spot welding front transfer mechanism 4.
And the nickel sheet supply mechanism 5 is arranged on the side part of the conveying belt 2, is close to the output end of the battery cell feeding mechanism 1 and is used for supplying nickel sheets for lithium battery packaging.
And the welding mechanism 6 is arranged on the side part of the pre-spot welding transfer mechanism 4, receives the battery cell 7 transferred by the pre-spot welding transfer mechanism 4, and performs spot welding of the nickel sheet and the battery cell 7 at the nickel sheet supply mechanism 5.
When the nickel sheet spot welding equipment is used, firstly, the battery core 7 is placed into the battery core feeding mechanism 1, then the battery core feeding mechanism 1 carries out the one-by-one blanking work of the battery cores 7, the battery cores 7 are blanked onto the conveying belt 2, the conveying belt 2 transfers the battery cores 7 from the input end of the conveying belt 2 to the output end of the conveying belt 2 in the working process, the battery core placing mechanism 3 arranges the battery cores 7 in the process, the subsequent pre-spot welding transfer mechanism 4 picks up the battery cores 7, the pre-spot welding transfer mechanism 4 picks up more than one battery core 7 and transfers the battery cores to the nickel sheet supply mechanism 5, the welding mechanism 6 supplies nickel sheets, the battery cores 7 and the nickel sheets are welded at the nickel sheet supply mechanism 5, the nickel sheet spot welding equipment can fully automatically complete blanking of the spot-welded battery cores 7, supply of the nickel sheets, positioning and conveying of the battery cores, and realizes the welding between the battery cores and the nickel sheets by mechanical spot welding, the efficiency of the packaged battery is high, and the product quality is stable.
Referring to fig. 1 to 3, the cell feeding mechanism 1 includes:
a feeding support frame 11.
The material storage barrel 12 is fixed on the feeding support frame 11, a feeding port and a discharging port are respectively arranged at the top end and the bottom end of the material storage barrel 12, and the bottom end of the material storage barrel 12 is conical.
Go out the feed bin 13, set up in the bottom of storage feed cylinder 12, be connected with the discharge gate of storage feed cylinder 12, one side of going out feed bin 13 is equipped with the feed opening.
Unloading rotary drum 14 rotationally connects in going out feed bin 13, and the edge of unloading rotary drum 14 is equipped with a plurality of standing grooves 15 that are used for holding electric core 7, and standing groove 15 is circumference evenly form and distributes on unloading rotary drum 14.
And the motor mounting seat 16 is arranged on the feeding support frame 11.
And the feeding driving motor 17 is arranged on the motor mounting base 16.
And the first gear 18 is in transmission connection with an output shaft of the feeding driving motor 17.
And the second gear 19 is rotatably connected to the feeding support frame 11, coaxially and fixedly connected with the blanking drum 14 and meshed with the first gear 18.
Pay-off driving motor 17 during operation of installation on motor mount pad 16, pay-off driving motor 17 can order about first gear 18 and rotate, first gear 18 rotates the in-process and can order about second gear 19 and rotate, second gear 19 can drive unloading rotary drum 14 during the rotation and rotate at play feed bin 13 in step, the edge of unloading rotary drum 14 is equipped with a plurality of standing grooves 15 that are used for holding electric core 7, standing groove 15 is the even form distribution of circumference on unloading rotary drum 14, simultaneously in this embodiment, there is certain clearance between the outer wall of unloading rotary drum 14 and the play feed bin 13 inner wall, the unable electric core 7 that supplies of size in clearance passes, consequently, can realize unloading one by one of electric core 7.
Referring to fig. 3 to 5 and fig. 7, the pre-spot welding transfer mechanism 4 includes:
and the transfer support frame 41 is positioned on the side part of the conveying belt 2 and is arranged close to the output end of the conveying belt 2.
And a third displacement driver 42 arranged on the transfer support frame 41, wherein the transmission direction of the third displacement driver 42 is horizontally arranged.
And a fourth displacement driver 43 disposed on an output end of the third displacement driver 42, a transmission direction of the fourth displacement driver 43 being vertically disposed.
And a mount 44 provided on an output end of the fourth displacement driver 43.
And a fifth displacement driver 45 disposed on the mounting seat 44, wherein a transmission direction of the fifth displacement driver 45 is vertically disposed.
And a transfer adsorption seat 46 provided on an output end of the fifth displacement driver 45.
A plurality of second adsorption tanks 47, align to grid is in the bottom that shifts adsorption seat 46, and the cross-section of second adsorption tank 47 is semi-circular, and second adsorption tank 47 is used for holding electric core 7, all is equipped with a plurality of second adsorption holes 48 in the second adsorption tank 47, and second adsorption holes 48 are used for adsorbing electric core 7.
The third displacement driver 42, the fourth displacement driver 43 and the fifth displacement driver 45 are arranged to change the position of the transfer adsorption seat 46, a plurality of second adsorption holes 48 are arranged in the second adsorption groove 47, and the second adsorption holes 48 are used for adsorbing the battery cell 7.
Referring to fig. 8 to 10, the nickel sheet supply mechanism 5 includes:
and a supply support frame 51 provided at a side portion of the conveyor belt 2 and disposed near an output end of the conveyor belt 2.
And a supply drive motor 52 provided on the supply support frame 51.
And a rotating support 54 provided on the supply support 51.
And the supply roller 55 is rotatably connected to the rotating support frame 54, and the supply driving motor 52 is in transmission connection with the supply roller 55 through the transmission assembly 53.
The nickel ribbon 56 is wound around the supply roll 55, and the nickel ribbon 56 is drawn out of the supply holder 51 and enters the position of the welding mechanism 6.
The supply support frame 51 is provided with a plurality of guide rollers 57 for conducting wires to the traction route of the nickel strip 56, and the guide rollers 57 are rotatably connected with the supply support frame 51.
The side of the supply support 51 is provided with a rotatable tensioning roller 58, the tensioning roller 58 being guided over the tensioning roller 58 during the drawing process.
The supply support frame 51 is provided with a tensioning assembly 59, the tensioning assembly 59 is arranged beside the supply roller 55, the guide roller 57 and the tensioning roller 58 are arranged between the supply roller 55 and the tensioning assembly 59, and the tensioning assembly 59 comprises:
and a tension driving cylinder 591 arranged on the supply support frame 51.
The movable frame 592 is in transmission connection with the output shaft of the tensioning driving cylinder 591.
And the fixed frame 593 is fixed on the supply supporting frame 51, and a space for the nickel strap 56 to pass through is formed between the movable frame 592 and the fixed frame 593.
Referring to fig. 8 and 9, the welding mechanism 6 includes:
and a welding station 61 disposed beside the supply support frame 51 and near the output end of the conveyor belt 2.
And an advancing driver 62 disposed beside the welding stage 61.
And the sliding seat 63 is in transmission connection with the output end of the forward moving driver 62:
the welding bug 64 is arranged on the sliding seat 63.
The ejection driving cylinder 65 is mounted on the slide base 63.
And the ejection plate 66 is in transmission connection with an output shaft of the ejection driving cylinder 65.
And the ejector pins 67 are arranged at one end of the ejector plate 66, which is far away from the ejection driving cylinder 65, and are used for ejecting nickel sheets on the nickel belt 56.
Referring to fig. 3, 4 and 6, the cell placement mechanism 3 includes:
the placing support frame 31 is positioned at the side part of the conveyer belt 2.
The first displacement driver 32 is arranged on the placing support frame 31, and the transmission direction of the first displacement driver 32 is horizontally arranged.
And a first displacement seat 33 provided on an output end of the first displacement driver 32.
And a second displacement driver 34 disposed on the first displacement seat 33, wherein the transmission direction of the second displacement driver 34 is vertically disposed.
And a placing adsorption seat 35 arranged on the output end of the second displacement driver 34.
A plurality of first adsorption tanks 36, align to grid is in the bottom of putting adsorption seat 35, and the cross-section of first adsorption tank 36 is semi-circular, all is equipped with a plurality of first adsorption holes 37 in the first adsorption tank 36, and first adsorption tank 36 is used for holding electric core 7, and first adsorption tank 36 is used for adsorbing electric core 7.
The first displacement driver 32 and the second displacement driver 34 are arranged to change the position of the placing adsorption seat 35, a plurality of first adsorption holes 37 are arranged in the first adsorption groove 36, and the first adsorption holes 37 are used for adsorbing the battery cell 7.
Winding a nickel strap 56 with nickel sheets on a supply roller 55, then starting a supply driving motor 52 arranged on a supply support frame 51, when the supply driving motor 52 works, driving the supply roller 55 to rotate around a transmission assembly 53 through the transmission assembly 53, in the rotation process of the supply roller 55, unwinding the nickel strap 56, namely realizing the supply of the nickel sheets, when the nickel sheets are detected to be in place at a spot welding position at a welding table 61, driving a sliding seat 63 to move towards the welding table 61 by a forward movement driver 62, enabling an electric welding machine 64 and an ejection driving cylinder 65 arranged on the sliding seat 63 to be close to the welding table 61, starting to work after the ejection driving cylinder 65 arranged on the sliding seat 63, pushing out the nickel sheets on the nickel strap 56 through an ejection plate 66 and an ejector pin 67, attaching and positioning the nickel sheets to an electric core 7, starting the operation of the electric welding machine 64 after the nickel sheets are in place, welding, and changing the displacement of a transfer mechanism 4 before spot welding, the next cell 7 is pushed from the welding potential and enters the next cycle again.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (10)
1. The utility model provides a lithium cell is nickel piece spot welding equipment for packaging process which characterized in that includes:
the battery cell feeding mechanism (1) is used for storing the battery cells (7) of the lithium battery and carrying out one-by-one blanking work of the battery cells (7);
the conveying belt (2) is arranged at the bottom of the battery cell feeding mechanism (1), and the battery cell feeding mechanism (1) is arranged close to the input end of the conveying belt (2) and used for receiving the battery cells (7) discharged from the battery cell feeding mechanism (1) and transferring the battery cells (7);
the spot welding front transfer mechanism (4) is arranged on the side part of the conveyer belt (2) and is used for picking up the battery cores (7) conveyed on the conveyer belt (2);
the nickel sheet supply mechanism (5) is arranged on the side part of the conveying belt (2), is close to the output end of the electric core feeding mechanism (1), and is used for supplying nickel sheets for lithium battery packaging;
and the welding mechanism (6) is arranged on the side part of the pre-spot welding transfer mechanism (4), receives the battery cell (7) transferred by the pre-spot welding transfer mechanism (4), and performs spot welding of the nickel sheet and the battery cell (7) at the nickel sheet supply mechanism (5).
2. The lithium battery packaging process nickel plate spot welding equipment as claimed in claim 1, wherein the cell feeding mechanism (1) comprises:
a feeding support frame (11);
the material storage barrel (12) is fixed on the feeding support frame (11), a feeding port and a discharging port are respectively formed in the top end and the bottom end of the material storage barrel (12), and the bottom end of the material storage barrel (12) is conical;
the discharging bin (13) is arranged at the bottom end of the material storing barrel (12) and is connected with a discharging hole of the material storing barrel (12), and a discharging hole is formed in one side of the discharging bin (13);
the discharging rotary drum (14) is rotatably connected in the discharging bin (13), a plurality of placing grooves (15) used for containing the battery cores (7) are formed in the edge of the discharging rotary drum (14), and the placing grooves (15) are uniformly distributed on the discharging rotary drum (14) in a circumferential manner;
the motor mounting seat (16) is arranged on the feeding support frame (11);
the feeding driving motor (17) is arranged on the motor mounting seat (16);
the first gear (18) is in transmission connection with an output shaft of the feeding driving motor (17);
and the second gear (19) is rotatably connected to the feeding support frame (11), coaxially and fixedly connected with the blanking rotary drum (14) and meshed with the first gear (18).
3. The nickel sheet spot welding device for the lithium battery packaging process according to claim 2, wherein a certain gap exists between the outer wall of the blanking drum (14) and the inner wall of the discharging bin (13), and the gap has a size which cannot be penetrated by the battery cell (7).
4. The nickel plate spot welding device for the lithium battery packaging process according to claim 3, wherein the pre-spot welding transfer mechanism (4) comprises:
the transfer support frame (41) is positioned on the side part of the conveying belt (2) and is close to the output end of the conveying belt (2);
the third displacement driver (42) is arranged on the transfer support frame (41), and the transmission direction of the third displacement driver (42) is horizontally arranged;
the fourth displacement driver (43) is arranged at the output end of the third displacement driver (42), and the transmission direction of the fourth displacement driver (43) is vertically arranged;
a mounting seat (44) arranged on the output end of the fourth displacement driver (43);
the fifth displacement driver (45) is arranged on the mounting seat (44), and the transmission direction of the fifth displacement driver (45) is vertical to the mounting seat;
a transfer adsorption seat (46) arranged on the output end of the fifth displacement driver (45);
a plurality of second adsorption tanks (47), align to grid is in the bottom of transfer adsorption seat (46), the cross-section of second adsorption tank (47) is semi-circular, all is equipped with a plurality of second adsorption holes (48) in second adsorption tank (47), and second adsorption holes (48) are used for adsorbing electric core (7).
5. The lithium battery pack-sealing process nickel plate spot welding apparatus as set forth in claim 4, wherein said nickel plate supply mechanism (5) comprises:
the supply support frame (51) is arranged at the side part of the conveying belt (2) and is close to the output end of the conveying belt (2);
a supply drive motor (52) provided on the supply support frame (51);
a rotary support frame (54) arranged on the supply support frame (51);
the supply roller (55) is rotatably connected to the rotating support frame (54), and the supply driving motor (52) is in transmission connection with the supply roller (55) through a transmission assembly (53);
and a nickel strip (56) wound around the supply roll (55), wherein the nickel strip (56) is drawn out of the supply support frame (51) and into the position of the welding mechanism (6).
6. The nickel plate spot welding device for the lithium battery packaging process according to claim 5, wherein a plurality of guide rollers (57) for conducting a traction route of the nickel strip (56) are arranged on the supply support frame (51), and the guide rollers (57) are rotatably connected with the supply support frame (51).
7. The spot welding device for nickel plate used in lithium battery packaging process according to claim 6, characterized in that the side of the supply support frame (51) is provided with a rotatable tension roller (58), and the tension roller (58) passes by the tension roller (58) during drawing.
8. The nickel sheet spot welding device for the lithium battery packaging process according to claim 7, wherein a tensioning assembly (59) is arranged on the supply support frame (51), the tensioning assembly (59) is arranged beside the supply roller (55), the guide roller (57) and the tensioning roller (58) are arranged between the supply roller (55) and the tensioning assembly (59), and the tensioning assembly (59) comprises:
a tensioning driving cylinder (591) arranged on the supply support frame (51);
the movable frame (592) is in transmission connection with the output shaft of the tensioning driving cylinder (591);
and the fixed frame (593) is fixed on the supply supporting frame (51), and a space for the nickel strap (56) to pass through is formed between the movable frame (592) and the fixed frame (593).
9. The lithium battery packaging process nickel plate spot welding device according to claim 8, wherein the welding mechanism (6) comprises:
a welding table (61) which is arranged beside the supply support frame (51) and is close to the output end of the conveying belt (2);
an advancing driver (62) provided beside the welding stage (61);
the sliding seat (63) is in transmission connection with the output end of the forward moving driver (62):
the electric welding machine (64) is arranged on the sliding seat (63);
an ejection driving cylinder (65) mounted on the slide base (63);
the ejection plate (66) is in transmission connection with an output shaft of the ejection driving cylinder (65);
and the ejector pins (67) are arranged at one end of the ejector plate (66) far away from the ejection driving cylinder (65) and are used for ejecting nickel sheets on the nickel belt (56).
10. The nickel sheet spot welding device for the lithium battery packaging process according to claim 9, further comprising a cell placement mechanism (3) disposed between the cell feeding mechanism (1) and the pre-spot-welding transfer mechanism (4), wherein the cell placement mechanism (3) is configured to arrange the cells (7) transported on the conveyer belt (2), and the cell placement mechanism (3) comprises:
the placing support frame (31) is positioned on the side part of the conveying belt (2);
the first displacement driver (32) is arranged on the placing support frame (31), and the transmission direction of the first displacement driver (32) is horizontally arranged;
a first displacement seat (33) provided on an output end of the first displacement driver (32);
the second displacement driver (34) is arranged on the first displacement seat (33), and the transmission direction of the second displacement driver (34) is vertical;
a placing adsorption seat (35) arranged on the output end of the second displacement driver (34);
the first adsorption grooves (36) are uniformly arranged at the bottom ends of the placing adsorption seats (35), the cross sections of the first adsorption grooves (36) are semicircular, a plurality of first adsorption holes (37) are formed in the first adsorption grooves (36), and the first adsorption grooves (36) are used for adsorbing the battery cells (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110091441.7A CN112909439A (en) | 2021-01-23 | 2021-01-23 | Nickel sheet spot welding equipment for lithium battery packaging process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110091441.7A CN112909439A (en) | 2021-01-23 | 2021-01-23 | Nickel sheet spot welding equipment for lithium battery packaging process |
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| Publication Number | Publication Date |
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| CN112909439A true CN112909439A (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110091441.7A Pending CN112909439A (en) | 2021-01-23 | 2021-01-23 | Nickel sheet spot welding equipment for lithium battery packaging process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310017A (en) * | 2021-12-27 | 2022-04-12 | 珠海华冠科技股份有限公司 | Welding machine for lithium battery pole piece and battery core body |
| CN114406428A (en) * | 2022-03-16 | 2022-04-29 | 安徽超锂电子科技有限公司 | Lithium battery series spot welding device |
| CN117655620A (en) * | 2024-01-31 | 2024-03-08 | 广东东博智能装备股份有限公司 | Automatic welding device for lithium battery nickel plate |
| CN118492778A (en) * | 2024-06-25 | 2024-08-16 | 江苏祥和电子科技有限公司 | Automatic spot welder for battery pack assembly |
-
2021
- 2021-01-23 CN CN202110091441.7A patent/CN112909439A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310017A (en) * | 2021-12-27 | 2022-04-12 | 珠海华冠科技股份有限公司 | Welding machine for lithium battery pole piece and battery core body |
| CN114406428A (en) * | 2022-03-16 | 2022-04-29 | 安徽超锂电子科技有限公司 | Lithium battery series spot welding device |
| CN117655620A (en) * | 2024-01-31 | 2024-03-08 | 广东东博智能装备股份有限公司 | Automatic welding device for lithium battery nickel plate |
| CN117655620B (en) * | 2024-01-31 | 2024-04-09 | 广东东博智能装备股份有限公司 | Automatic welding device for lithium battery nickel plate |
| CN118492778A (en) * | 2024-06-25 | 2024-08-16 | 江苏祥和电子科技有限公司 | Automatic spot welder for battery pack assembly |
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Application publication date: 20210604 |