CN115064776A - Pressurizing shaping and high-temperature aging integrated device for battery production and use method thereof - Google Patents
Pressurizing shaping and high-temperature aging integrated device for battery production and use method thereof Download PDFInfo
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- CN115064776A CN115064776A CN202210727227.0A CN202210727227A CN115064776A CN 115064776 A CN115064776 A CN 115064776A CN 202210727227 A CN202210727227 A CN 202210727227A CN 115064776 A CN115064776 A CN 115064776A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses a pressurizing, shaping and high-temperature aging integrated device for battery production, which comprises a first robot arm, a shaping device, a second robot arm, a high-temperature aging device and a material platform, wherein the first robot arm, the shaping device, the second robot arm and the high-temperature aging device are arranged on the rear side of a flat belt conveying device and are sequentially arranged from left to right; the high-temperature aging device comprises a hydraulic sliding table, a power unit, a heating box and a simulation device, wherein the hydraulic sliding table is horizontally arranged, the simulation device is arranged on the heating box, the front end of the heating box is provided with an opening, the top of the opening is hinged to a box door through a hinge, the bottom surface of the heating box is welded on a main shaft, a longitudinal oil cylinder is fixedly arranged on the outer wall of the rear side of the heating box, a piston rod of the longitudinal oil cylinder penetrates through the heating box and extends to the front side of the heating box, and a bottom plate is fixedly arranged on the extension end. The invention has the beneficial effects that: compact structure, can simulate the performance of battery under the actual use environmental condition, alleviate workman working strength, improve battery flattening efficiency, improve battery production efficiency.
Description
Technical Field
The invention relates to the technical field of battery production, in particular to a pressurization shaping and high-temperature aging integrated device for battery production and a using method thereof.
Background
The plate-shaped battery (mainly a lithium battery) is a new generation of green high-energy battery with excellent performance, and has the characteristics of high voltage, high capacity, low consumption, no memory effect, no pollution, small volume, small internal resistance, less self-discharge, more cycle times and the like. The hybrid power system is widely applied to various civil and military fields such as pure electric vehicles, hybrid power devices, plug-in hybrid power vehicles, ships, rail transit, solar energy, wind power generation systems and the like. Especially, with the development of electric automobiles, the requirements for the performance of lithium batteries are higher and higher.
The production process of the current battery comprises the following steps: conveying the preliminarily molded semi-finished battery with the convex hull (56) to a shaping station, wherein the structure of the semi-finished battery is shown in figures 1-2, and pressing the top of the convex hull (56) through a pressure head of a hydraulic oil cylinder on a shaping device to level the semi-finished battery; after leveling, a worker conveys the batteries into a heating box, the temperature is raised through a heating device in the heating box, the batteries are aged for 1-3 days at the temperature of 45-50 ℃, after finishing, the semi-finished batteries are taken out from the heating box and are placed for a period of time at normal temperature, after the semi-finished batteries are cooled at normal temperature, the worker puts all the semi-finished batteries on a workbench in order, the worker marks the top surface of each semi-finished battery through a jump meter to judge whether the thickness of the battery changes under high-temperature aging, if the detected battery changes, the performance of the battery does not reach the standard, so that potential safety hazards exist, and the battery needs to be removed; if the thickness of the detected battery is not changed, the battery is a qualified product, and workers convey qualified battery pieces to a packaging working section, so that the semi-finished battery is finally processed to a finished battery. However, although the existing shaping device and heating box can respectively perform the leveling and high temperature aging tests on the battery, in the battery production workshop, workers still find the following defects: 1. in the flattening process, be difficult to ensure fast that the convex closure on the semi-manufactured goods battery just fixes a position under hydraulic cylinder's pressure head, need the workman to adjust the horizontal position of semi-manufactured goods battery many times promptly, could ensure convex closure (56) and be in under the pressure head, this is undoubtedly the positioning time who has prolonged semi-manufactured goods battery, and then has reduced the flattening efficiency to the battery, and then has reduced the production efficiency of battery. 2. The semi-finished product battery after leveling needs to be manually placed in the heating box, the temperature in the heating box is higher, the worker can work under the high-temperature condition undoubtedly, and the labor intensity of the worker is further increased. 3. In the high-temperature aging test process, the semi-finished battery is always in a static state in the heating box, and the battery is in a bumpy state and irregularly vibrates in the actual use process, so that the performance of the battery under the actual use environment condition cannot be simulated by the conventional high-temperature aging device, and the test is not rigorous, so that a large number of unqualified batteries still flow out to be used on the market.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a pressure shaping and high-temperature aging integrated device for battery production, which has a compact structure, can simulate the performance of a battery under the actual use environment condition, lightens the working strength of workers, improves the leveling efficiency of the battery and improves the production efficiency of the battery, and a use method thereof.
The purpose of the invention is realized by the following technical scheme: the pressurizing, shaping and high-temperature aging integrated device for battery production comprises a first robot arm, a shaping device, a second robot arm, a high-temperature aging device and a material table, wherein the first robot arm, the shaping device, the second robot arm and the high-temperature aging device are arranged on the rear side of a flat belt conveying device and are sequentially arranged from left to right, the material table is arranged on the left side of the flat belt conveying device, and a plurality of semi-finished batteries are stacked on the material table;
the high-temperature aging device is arranged at the rear side of the second robot arm and comprises a hydraulic sliding table, a power unit, a heating box and an analog device arranged on the heating box, the hydraulic sliding table is horizontally arranged on the ground, a bearing seat and a power unit are arranged on a moving table of the hydraulic sliding table, the bearing seat is rotatably arranged on a main shaft, the main shaft is connected with the power unit, an opening is arranged at the front end part of the heating box, the top of the opening is hinged with a box door through a hinge, the bottom surface of the heating box is welded on the main shaft, a longitudinal oil cylinder is fixedly arranged on the outer wall of the rear side of the heating box, a longitudinal oil cylinder piston rod penetrates through the heating box and extends to the front side of the heating box, a bottom plate is fixedly arranged on an extending end, a plurality of vertical springs are fixedly arranged on the top surface of the bottom plate, a supporting plate is fixedly arranged on a plane formed on the top surface of the vertical springs, and a plurality of step grooves are formed on the supporting plate along the length direction, the top of backup pad just is located its both ends and is provided with hinge seat and magnet respectively, and the last articulated clamp plate that has of hinge seat, clamp plate adsorb on magnet, sets up a plurality of logical grooves that are linked together with the step groove on the clamp plate, just be located and be provided with the heating unit on its back lateral wall in the heating cabinet.
The flat belt conveying device comprises a rack fixedly arranged on the ground, a driven roller and a driving roller, wherein the driven roller and the driving roller are rotatably arranged at the left end part and the right end part of the rack, a flat belt is arranged between the driving roller and the driven roller, a servo motor is fixedly arranged on the rack, and the servo motor is connected with the driving roller.
The shaping device comprises a support fixedly arranged on the ground, a base rotatably arranged on the support through a rotating shaft, a machine base arranged on the rear side of the base, and a double-acting oil cylinder fixedly arranged on the front end face of the base, wherein a containing groove is formed in the top of the base, a turnover motor is fixedly arranged on the support, the turnover motor is connected with the rotating shaft through a coupler, guide rods penetrate through the left side wall and the right side wall of the containing groove in a sliding manner, one end of each guide rod extends into the containing groove, a positioning plate is fixedly arranged on the extending end, the positioning plate is longitudinally arranged and arranged in the containing groove, the other end of each guide rod extends out of the base, a connecting plate is fixedly arranged on the extending end, and two piston rods of the double-acting oil cylinder are fixedly arranged on the two connecting plates respectively; the top of frame has set firmly hydraulic cylinder, and the end of hydraulic cylinder piston rod has set firmly the pressure head, and the pressure head sets up directly over the holding tank middle part.
All set up the guiding hole rather than the intercommunication on the lateral wall about the holding tank, guide bar slidable mounting is in the guiding hole.
The structure of first robot arm and second robot arm is the same, is provided with on the output of first robot arm and grabs the material mechanism, grab the material mechanism including setting firmly the mounting panel on first robot arm output, be provided with a plurality of flexible sucking discs on the basal surface of mounting panel, flexible sucking disc and vacuum pump connection.
The bottom surface of the bottom plate is fixedly provided with a fixed plate, and the action end of the piston rod of the longitudinal oil cylinder is fixedly connected to the fixed plate.
The power unit comprises a driven gear arranged on the main shaft, a speed reducer fixedly arranged on the moving platform and a stepping motor, wherein an output shaft of the stepping motor is connected with an input shaft of the speed reducer through a coupler, a driving gear is arranged on an output shaft of the speed reducer, and the driving gear is meshed with the driven gear.
The analogue means includes driving motor, slidable mounting in the movable rod on the heating cabinet left side wall, sets firmly the reciprocal hydro-cylinder on the heating cabinet right side lateral wall, and reciprocal hydro-cylinder piston rod stretches into in the heating cabinet and extend and serve and set firmly right push pedal, and the one end of movable rod extends and has set firmly left push pedal in the heating cabinet and extend and serve, and the cover is equipped with horizontal spring on the movable rod, and horizontal spring's one end sets firmly in left push pedal, and the other end sets firmly on the left side wall of heating cabinet, the backup pad sets up between left push pedal and right push pedal, is connected with the drive shaft on driving motor's the output shaft, and the drive shaft stretches into in the heating cabinet, installs a plurality of cams in the drive shaft, and the cam sets up in the below of backup pad.
The robot comprises a first robot arm, a second robot arm, a hydraulic oil cylinder, a double-acting oil cylinder, a longitudinal oil cylinder, a reciprocating oil cylinder, a driving motor, a servo motor, a turnover motor, a vacuum pump and a stepping motor.
The use method of the pressure shaping and high-temperature aging integrated device for battery production comprises the following steps:
s1, turning on a servo motor, driving a driving roller to rotate by the servo motor, and driving the flat belt to rotate clockwise by the driving roller;
s2, shaping the semi-finished battery, wherein the concrete operation steps are as follows:
s21, controlling the action of the first robot arm to press each flexible sucker on the first robot arm to the top surface of the convex hull of the topmost semi-finished battery, controlling a vacuum pump to start after the flexible suckers are in place, vacuumizing the flexible suckers by the vacuum pump, and sucking the topmost semi-finished battery A by the flexible suckers;
s22, positioning a semi-finished battery A, controlling a first robot arm to act, transferring the semi-finished battery A into a containing groove by the first robot arm, then closing a vacuum pump, cutting off an air source, enabling the semi-finished battery A to fall into the containing groove, enabling the semi-finished battery A to be located between two positioning plates, then controlling the first robot arm to reset, after resetting, controlling a piston rod of a double-acting oil cylinder to retract, driving a connecting plate to do opposite movement by the two piston rods, driving a guide rod to do opposite movement by the connecting plate, driving the positioning plates to do opposite movement by the guide rod, and clamping the semi-finished battery A between the two positioning plates after the piston rod of the double-acting oil cylinder retracts completely, wherein a convex packet of the semi-finished battery A is just under a pressure head, so that the positioning of the semi-finished battery A is finally realized;
s23, controlling a piston rod of the hydraulic oil cylinder to extend out, driving a pressure head to move downwards, pressing the pressure head on the top surface of the convex hull of the semi-finished battery A to reduce the height of the convex hull, and flattening the convex hull after the piston rod of the hydraulic oil cylinder extends out completely, so that the semi-finished battery A is shaped;
s3, conveying the semi-finished product battery A after shaping, wherein the concrete operation steps are as follows:
s31, after shaping, controlling the piston rod of the hydraulic oil cylinder to reset, and simultaneously controlling the piston rod of the double-acting oil cylinder to reset, wherein the two positioning plates do not clamp the shaped semi-finished battery A any more after resetting; then controlling the turning motor to start, driving the rotating shaft to rotate forwards by the turning motor, driving the base to rotate forwards around the axis of the rotating shaft, buckling the top surface of the base on the flat belt after the turning degree is finished, and enabling the semi-finished battery A to fall on the upper side belt of the flat belt under the gravity;
s32, controlling the turnover motor to turn over, driving the base to reset by the turnover motor, and conveying the semi-finished product battery A to the right by the flat belt, so that conveying of the semi-finished product battery A is realized;
s33, repeating the operations of the steps S2-S3, and conveying a plurality of shaped semi-finished batteries A to a flat belt;
s4, feeding of the semi-finished battery A, and specifically comprising the following operation steps:
s41, separating the pressing plate from the magnet by a worker, and then turning the pressing plate leftwards around the hinge seat; at the moment, each step groove is exposed outside;
s42, controlling a second robot arm to act, adsorbing the semi-finished battery A on the flat belt by the second robot arm, transferring the semi-finished battery A to the leftmost step groove after adsorption, disconnecting an air source of the second robot arm after the semi-finished battery A is in place, enabling the semi-finished battery A to fall on the shoulder of the leftmost step groove, and then controlling the second robot arm to reset, so that the first semi-finished battery A is grabbed;
s43, controlling a moving platform of the hydraulic sliding platform to move leftwards for a distance which is equal to the width of a step groove, driving the power unit and the heating box to synchronously move leftwards by the moving platform, closing the hydraulic sliding platform after the power unit and the heating box are in place, and repeating the operation of the step S52 to grab a second semi-finished battery A into a second step groove; repeating the steps, namely filling a semi-finished battery A in each step groove, thereby finally realizing the feeding of the semi-finished battery A;
s5, high-temperature aging test, which comprises the following specific steps:
s51, turning the pressing plate around the hinge base rightwards to enable the pressing plate to be in contact with the magnet, and enabling the through grooves in the pressing plate to be correspondingly pressed on the top surface of each semi-finished battery A under the magnetic force of the magnet to fix the semi-finished battery A;
s52, controlling the piston rod of the longitudinal oil cylinder to retract, driving the bottom plate to retract into the heating box by the piston rod, driving the support plate and the semi-finished battery A on the support plate to retract into the heating box synchronously by the bottom plate, when the piston rod retracts completely, the support plate is just positioned between the left push plate and the right push plate, and the bottom surface of the support plate is contacted with the outer contour of the cam;
s6, closing the box door on the heating box, opening the heating unit, raising the temperature in the heating box by the heating unit, simultaneously opening the driving motor by a worker, driving the driving shaft to rotate by the driving motor, driving the cam to rotate by the driving shaft, driving the supporting plate to reciprocate up and down on the vertical spring by the cam, so that the semi-finished battery A does reciprocating up and down vibration, controlling the piston rod of the reciprocating oil cylinder to do reciprocating extending or retracting motion, driving the supporting plate to do reciprocating left and right vibration on the vertical spring by the piston rod through a right push plate, so that the semi-finished battery A does reciprocating left and right vibration, and finally realizing a high-temperature aging test on the battery after a period of time;
s7, after the high-temperature aging test is finished, closing the driving motor and the reciprocating oil cylinder, and opening the box door; control step motor and start afterwards, step motor's torque drives the driving gear after the reduction gear slows down and rotates, the driving gear drives driven gear and rotates, driven gear drives the main shaft and rotates round the bearing frame, the main shaft drives the heating cabinet rotatory, after step motor stall, the opening of heating cabinet is towards the right side, at this moment, control vertical hydro-cylinder piston rod and stretch out, stretch out the back, open the clamp plate, carry out air cooling with the battery after ageing to the high temperature, after cooling a period, the workman is beaten the table to the top surface of battery one by one through the table of beating, in order to reject unqualified battery.
The invention has the following advantages:
1. the shaping device comprises a support fixedly arranged on the ground, a base rotatably arranged on the support through a rotating shaft, a machine base arranged on the rear side of the base, and a double-acting oil cylinder fixedly arranged on the front end face of the base, wherein a containing groove is formed in the top of the base; the top of the machine base is fixedly provided with a hydraulic oil cylinder, the tail end of a piston rod of the hydraulic oil cylinder is fixedly provided with a pressure head, when the piston rod of the double-acting oil cylinder is completely retracted, the semi-finished battery A is clamped between the two positioning plates, and a convex hull of the semi-finished battery A is just positioned under the pressure head, so that the positioning of the semi-finished battery A is finally realized; therefore, a worker does not need to adjust the horizontal position of the semi-finished battery for many times, the battery is pressed through the two positioning plates, the convex hull of the semi-finished battery is rapidly ensured to be positioned under the pressure head, the positioning time of the semi-finished battery is greatly shortened, the leveling efficiency of the battery is greatly improved, and the production efficiency of the battery is greatly improved.
2. According to the invention, manual feeding is not needed, the semi-finished product battery is firstly grabbed into each step groove by the second robot arm, and then the battery is conveyed into the heating box by the longitudinal oil cylinder, so that compared with the traditional manual feeding mode, the labor intensity of workers is greatly reduced, and the feeding efficiency is improved.
3. The heating box is provided with a simulation device; open the heating unit, the heating unit risees the interior temperature of heating cabinet, the workman opens driving motor simultaneously, driving motor drives the drive shaft and rotates, the drive shaft drives the cam and rotates, the reciprocating vibrations from top to bottom are done to the cam drive backup pad on vertical spring, thereby make semi-manufactured goods battery A do reciprocating vibrations from top to bottom, the reciprocating motion of stretching out or retracting is done to the piston rod of simultaneous control reciprocal hydro-cylinder, the piston rod is through the reciprocating vibrations of controlling of right push pedal drive backup pad on vertical spring, thereby make semi-manufactured goods battery A do reciprocating vibrations from side to side, after a period, can finally realize the high temperature aging test to the battery. Therefore, under the high-temperature condition, the semi-finished battery A not only does reciprocating up-and-down vibration, but also does reciprocating left-and-right vibration, namely the violent irregular motion of the semi-finished battery in actual operation is simulated, so that the performance of the semi-finished battery under the actual use environment condition is simulated, the test is more rigorous, and a large number of unqualified batteries are prevented from still flowing out to the market for use.
4. The hydraulic cylinder, the double-acting oil cylinder, the longitudinal oil cylinder and the reciprocating oil cylinder can be controlled to extend or retract through the controller, operation of workers is greatly facilitated, and the hydraulic cylinder, the double-acting oil cylinder, the longitudinal oil cylinder and the reciprocating oil cylinder have the characteristic of high automation degree.
Drawings
Fig. 1 is a schematic view of a semi-finished cell structure;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic view of a first robot arm;
FIG. 6 is a schematic structural view of a material grabbing mechanism;
FIG. 7 is a schematic structural view of a shaping device;
FIG. 8 is a top view of FIG. 7;
FIG. 9 is a bottom view of the ram;
FIG. 10 is a schematic structural diagram of a high-temperature aging apparatus;
FIG. 11 is a front view of FIG. 10;
FIG. 12 is an enlarged view of a portion I of FIG. 11;
FIG. 13 is a schematic diagram of the operation of the high temperature aging apparatus;
FIG. 14 is a schematic view of a test cell;
FIG. 15 is an enlarged partial view of section II of FIG. 14;
in the figure, 1-flat belt conveying device, 2-first robot arm, 3-shaping device, 4-second robot arm, 5-high temperature aging device, 6-material platform, 7-semi-finished battery, 8-hydraulic sliding platform, 9-heating box, 10-moving platform, 11-bearing seat, 12-main shaft, 13-box door, 14-longitudinal oil cylinder, 15-bottom plate, 16-vertical spring, 17-supporting plate, 18-step groove, 19-hinge seat, 20-magnet, 21-pressing plate, 22-through groove, 23-frame, 24-driven roller, 25-driving roller, 26-servo motor, 27-support, 28-rotating shaft, 29-base, 30-frame, 31-double-acting oil cylinder, 32-accommodating groove, 33-overturning motor, 34-guide rod, 35-positioning plate, 36-connecting plate, 37-hydraulic oil cylinder, 38-pressure head, 39-mounting plate, 40-flexible suction cup, 41-fixing plate, 42-driven gear, 43-speed reducer, 44-stepping motor, 45-movable rod, 46-reciprocating oil cylinder, 47-right push plate, 48-left push plate, 49-horizontal spring, 50-driving shaft, 51-cam, 52-flat belt, 54-driving gear, 55-driving motor and 56-convex hull.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
as shown in fig. 3 to 12, the integrated device for pressurizing, shaping and high-temperature aging for battery production comprises a first robot arm 2, a shaping device 3, a second robot arm 4, a high-temperature aging device 5 and a material table 6, wherein the first robot arm 2, the shaping device 3, the second robot arm 4 and the high-temperature aging device 5 are arranged on the rear side of a flat belt conveying device 1 and are sequentially arranged from left to right, and a plurality of semi-finished batteries 7 are stacked on the material table 6; the flat belt conveying device 1 comprises a frame 23 fixedly arranged on the ground, driven rollers 24 and a driving roller 25, wherein the driven rollers 24 and the driving roller 25 are rotatably arranged at the left end and the right end of the frame 23, a flat belt 52 is arranged between the driving roller 25 and the driven rollers 24, a servo motor 26 is fixedly arranged on the frame 23, and the servo motor 26 is connected with the driving roller 25.
The high temperature aging device 5 is arranged at the rear side of the second robot arm 4, the high temperature aging device 5 comprises a hydraulic sliding table 8, a power unit, a heating box 9 and a simulation device arranged on the heating box 9, the hydraulic sliding table 8 is horizontally arranged on the ground, a bearing seat 11 and a power unit are arranged on a moving table 10 of the hydraulic sliding table 8, the bearing seat 11 is internally rotatably arranged on a main shaft 12, the main shaft 12 is connected with the power unit, the front end part of the heating box 9 is provided with an opening, the top of the opening is hinged with a box door 13 through a hinge, the bottom surface of the heating box 9 is welded on the main shaft 12, a longitudinal oil cylinder 14 is fixedly arranged on the outer wall of the rear side of the heating box 9, a piston rod of the longitudinal oil cylinder 14 penetrates through the heating box 9 and extends to the front side of the heating box 9, a bottom plate 15 is fixedly arranged on the extension end, a plurality of vertical springs 16 are fixedly arranged on the top surface of the bottom plate 15, a support plate 17 is fixedly arranged on the plane formed on the top surface of the vertical springs 16, a plurality of step grooves 18 are formed in the supporting plate 17 along the length direction of the supporting plate, a hinge seat 19 and a magnet 20 are respectively arranged on the top surface of the supporting plate 17 and located at the two ends of the supporting plate, a pressing plate 21 is hinged to the hinge seat 19, the pressing plate 21 is adsorbed to the magnet 20, a plurality of through grooves 22 communicated with the step grooves 18 are formed in the pressing plate 21, a heating unit is arranged in the heating box 9 and located on the rear side wall of the heating box, a fixing plate 41 is fixedly arranged on the bottom surface of the bottom plate 15, and the action end of a piston rod of the longitudinal oil cylinder 14 is fixedly connected to the fixing plate 41; the power unit comprises a driven gear 42 arranged on the main shaft 12, a speed reducer 43 fixedly arranged on the mobile station 10 and a stepping motor 44, wherein an output shaft of the stepping motor 44 is connected with an input shaft of the speed reducer 43 through a coupler, an output shaft of the speed reducer 43 is provided with a driving gear 54, and the driving gear 54 is meshed with the driven gear 42.
The shaping device 3 comprises a support 27 fixedly arranged on the ground, a base 29 rotatably arranged on the support 27 through a rotating shaft 28, a machine base 30 arranged on the rear side of the base 29, a double-acting oil cylinder 31 fixedly arranged on the front end face of the base 29, an accommodating groove 32 is formed in the top of the base 29, a turning motor 33 is fixedly arranged on the support 27, the turning motor 33 is connected with the rotating shaft 28 through a coupler, guide rods 34 penetrate through the left side wall and the right side wall of the accommodating groove 32 in a sliding manner, one end of each guide rod 34 extends into the corresponding accommodating groove 32, a positioning plate 35 is fixedly arranged on the extending end of each guide rod 35 in the longitudinal direction and is arranged in the corresponding accommodating groove 32, the other end of each guide rod extends out of the base 29, a connecting plate 36 is fixedly arranged on the extending end of each guide rod, and two piston rods of each double-acting oil cylinder 31 are fixedly arranged on the two connecting plates 36; the top of frame 30 sets firmly hydraulic cylinder 37, and the terminal of hydraulic cylinder 37 piston rod sets firmly the pressure head 38, and pressure head 38 sets up directly over the middle part of holding tank 32, all set up the guiding hole rather than the intercommunication on the lateral wall about holding tank 32, guide bar 34 slidable mounting is in the guiding hole.
The robot manipulator further comprises a controller, wherein the controller is electrically connected with the first robot arm 2, the second robot arm 4, the electromagnetic valve of the hydraulic oil cylinder 37, the electromagnetic valve of the double-acting oil cylinder 31, the electromagnetic valve of the longitudinal oil cylinder 14, the electromagnetic valve of the reciprocating oil cylinder 46, the driving motor 55, the servo motor 26, the overturning motor 33, the vacuum pump and the stepping motor 44.
The use method of the pressure shaping and high-temperature aging integrated device for battery production comprises the following steps:
s1, the servo motor 26 is turned on, the servo motor 26 drives the driving roller 25 to rotate, and the driving roller 25 drives the flat belt 52 to rotate clockwise;
s2, shaping the semi-finished battery, wherein the concrete operation steps are as follows:
s21, controlling the first robot arm 2 to move, enabling each flexible sucker 40 on the first robot arm to press the top surface of the convex hull 56 of the topmost semi-finished battery 7, controlling a vacuum pump to start after the flexible suckers are in place, vacuumizing the flexible sucker 40 by the vacuum pump, and sucking the topmost semi-finished battery A by the flexible sucker 40, so that the semi-finished battery A is prevented from flying out of a step groove in the subsequent simulated vibration process;
s22, positioning the semi-finished battery A, controlling the first robot arm 2 to act, transferring the semi-finished battery A into the accommodating groove 32 by the first robot arm 2, then closing the vacuum pump, cutting off the air source, the semi-finished battery A falls into the accommodating groove 32, the semi-finished battery A is positioned between the two positioning plates 35, then the first robot arm 2 is controlled to reset, after the resetting, the piston rods of the double-acting oil cylinder 31 are controlled to retract, the two piston rods simultaneously drive the connecting plate 36 to move oppositely, the connecting plate 36 drives the guide rod 34 to move oppositely, the guide rod 34 drives the positioning plate 35 to move oppositely, when the piston rod of the double-acting cylinder 31 is completely retracted, the semi-finished battery a is clamped between the two positioning plates 35, the convex hull 56 of the semi-finished battery A is just under the pressure head 38, so that the semi-finished battery A is positioned finally; therefore, workers do not need to adjust the horizontal position of the semi-finished battery for many times, and press the battery through the two positioning plates 35 at the same time, so that the convex hull 56 of the semi-finished battery can be quickly ensured to be positioned under the pressing head 38, the positioning time of the semi-finished battery is greatly shortened, the leveling efficiency of the battery is greatly improved, and the production efficiency of the battery is greatly improved;
s23, controlling the piston rod of the hydraulic oil cylinder 37 to extend out, driving the pressure head 38 to move downwards, pressing the pressure head 38 on the top surface of the convex hull 56 of the semi-finished battery A to reduce the height of the convex hull 56, and flattening the convex hull 56 after the piston rod of the hydraulic oil cylinder 37 is completely extended out, so that the semi-finished battery A is shaped;
s3, conveying the semi-finished product battery A after shaping, and specifically comprising the following operation steps:
s31, after shaping, controlling the piston rod of the hydraulic oil cylinder 37 to reset, and simultaneously controlling the piston rod of the double-acting oil cylinder 31 to reset, wherein the two positioning plates 35 do not clamp the shaped semi-finished battery A any more after resetting; then controlling the turning motor 33 to start, wherein the turning motor 33 drives the rotating shaft 28 to rotate forwards, the rotating shaft 28 drives the base 29 to rotate forwards around the axis of the rotating shaft, after the base 29 is turned over by 180 degrees, the top surface of the base 29 is buckled on the flat belt 52, and the semi-finished battery A falls on the upper side belt of the flat belt 52 under the gravity;
s32, controlling the turnover motor 33 to turn over, driving the base 29 to reset by the turnover motor 33, and conveying the semi-finished product battery A to the right by the flat belt 52, thereby realizing the conveying of the semi-finished product battery A;
s4, repeating the steps S2-S3, so as to transfer the plurality of shaped semi-finished batteries a to the flat belt 52;
s5, feeding of the semi-finished battery A, and specifically comprising the following operation steps:
s51, the worker separates the pressing plate 21 from the magnet 20, and then turns the pressing plate 21 to the left about the hinge base 19; each step groove 18 is exposed to the outside at this time;
s52, controlling the second robot arm 4 to act, enabling the second robot arm 4 to adsorb the semi-finished battery A on the flat belt 52, transferring the semi-finished battery A onto the leftmost step groove 18 after adsorption, disconnecting the air source of the second robot arm 4 after the semi-finished battery A is in place, enabling the semi-finished battery A to fall on the shoulder of the leftmost step groove 18, and then controlling the second robot arm 4 to reset, so that the first semi-finished battery A is grabbed;
s53, controlling the mobile station 10 of the hydraulic sliding table 8 to move leftwards for a distance equal to the width of one step groove 18, driving the power unit and the heating box 9 to move leftwards synchronously by the mobile station 10, closing the hydraulic sliding table 8 after the power unit and the heating box are in place, and grabbing a second semi-finished battery A into the second step groove 18 by repeating the operation of the step S52; repeating the steps, namely filling a semi-finished battery A in each step groove 18, thereby finally realizing the feeding of the semi-finished battery A; therefore, the semi-finished product batteries are grabbed into the step grooves 18 through the second robot arm 4 without manual feeding, and then are conveyed into the heating box 9 through the longitudinal oil cylinder 14, so that compared with the traditional manual feeding mode, the labor intensity of workers is greatly reduced, and the feeding efficiency is improved;
s6, high-temperature aging test, which comprises the following specific steps:
s61, turning the pressing plate 21 rightwards around the hinge base 19 to make the pressing plate 21 contact the magnet 20, and under the magnetic force of the magnet 20, the through slots 22 on the pressing plate 21 correspondingly press the top surface of each semi-finished battery a to fix the semi-finished battery a;
s62, controlling the piston rod of the longitudinal oil cylinder 14 to retract, driving the bottom plate 15 to retract into the heating box 9 by the piston rod as shown in figure 13, driving the supporting plate 17 and the semi-finished battery A on the supporting plate 17 to retract into the heating box 9 synchronously by the bottom plate 15, when the piston rod retracts completely, the supporting plate 17 is just positioned between the left push plate 48 and the right push plate 47, and the bottom surface of the supporting plate 17 is contacted with the outer contour of the cam 51;
s63, closing the box door 13 on the heating box 9, opening the heating unit, raising the temperature in the heating box 9 by the heating unit, simultaneously opening the driving motor 55 by a worker, driving the driving shaft 50 to rotate by the driving motor 55, driving the cam 51 to rotate by the driving shaft 50, driving the supporting plate 17 to do reciprocating up-and-down vibration on the vertical spring 16 by the cam 51, so that the semi-finished battery A does reciprocating up-and-down vibration, controlling the piston rod of the reciprocating oil cylinder 46 to do reciprocating extending or retracting motion, driving the supporting plate 17 to do reciprocating left-and-right vibration on the vertical spring 16 by the piston rod through the right push plate 47, further making the semi-finished battery A do reciprocating left-and-right vibration, and finally realizing the high-temperature aging test of the battery after a period of time. Therefore, under the high-temperature condition, the semi-finished battery A not only does reciprocating up-and-down vibration, but also does reciprocating left-and-right vibration, namely the violent irregular motion of the semi-finished battery in actual operation is simulated, so that the performance of the semi-finished battery under the actual use environment condition is simulated, the test is more rigorous, and a large number of unqualified batteries are prevented from still flowing out to the market for use.
S7, after the high-temperature aging test is finished, closing the driving motor 55 and the reciprocating oil cylinder 46, and opening the box door 13; then controlling the stepping motor 44 to start, reducing the torque of the stepping motor 44 through the reducer 43 to drive the driving gear 54 to rotate, driving the driving gear 54 to drive the driven gear 42 to rotate, driving the main shaft 12 to rotate around the bearing seat 11 through the driven gear 42, driving the heating box 9 to rotate through the main shaft 12, after the stepping motor 44 stops rotating, enabling the opening of the heating box 9 to face the right side as shown in fig. 14-15, controlling the piston rod of the longitudinal oil cylinder 14 to stretch out, opening the pressing plate 21 after stretching out to cool the high-temperature aged battery in air, and after cooling for a period of time, marking the top surface of the battery one by one through a jump meter to remove the unqualified battery.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Battery production is with pressurization plastic and ageing integrated device of high temperature, its characterized in that: the device comprises a first robot arm (2), a shaping device (3), a second robot arm (4), a high-temperature aging device (5) and a material platform (6) which is arranged on the left side of a flat belt conveying device (1), wherein the first robot arm, the shaping device, the second robot arm and the high-temperature aging device are arranged on the rear side of the flat belt conveying device (1) in sequence from left to right, and a plurality of semi-finished batteries (7) are stacked on the material platform (6);
the high-temperature aging device (5) is arranged at the rear side of the second robot arm (4), the high-temperature aging device (5) comprises a hydraulic sliding table (8) horizontally arranged, a power unit, a heating box (9) and an analog device arranged on the heating box (9), the hydraulic sliding table (8) is horizontally arranged on the ground, a bearing seat (11) and the power unit are arranged on a moving table (10) of the hydraulic sliding table (8), the bearing seat (11) is internally rotated and installed on a main shaft (12), the main shaft (12) is connected with the power unit, the front end part of the heating box (9) is provided with an opening, the top of the opening is hinged with a box door (13) through a hinge, the bottom surface of the heating box (9) is welded on the main shaft (12), a longitudinal oil cylinder (14) is fixedly arranged on the outer wall of the rear side of the heating box (9), and a piston rod of the longitudinal oil cylinder (14) penetrates through the heating box (9) and extends to the front side of the heating box (9), a bottom plate (15) is fixedly arranged on the extending end, a plurality of vertical springs (16) are fixedly arranged on the top surface of the bottom plate (15), a supporting plate (17) is fixedly arranged on a plane formed on the top surface of each vertical spring (16), a plurality of step grooves (18) are formed in the supporting plate (17) along the length direction of the supporting plate, a hinge seat (19) and a magnet (20) are respectively arranged on the top surface of the supporting plate (17) and positioned at the two ends of the supporting plate, a pressing plate (21) is hinged to the hinge seat (19), the pressing plate (21) is adsorbed on the magnet (20), a plurality of through grooves (22) communicated with the step grooves (18) are formed in the pressing plate (21), and a heating unit is arranged in the heating box (9) and positioned on the rear side wall of the heating box;
the flat belt conveying device (1) comprises a rack (23) fixedly arranged on the ground, a driven roller (24) and a driving roller (25) which are rotatably arranged at the left end part and the right end part of the rack (23), a flat belt (52) is arranged between the driving roller (25) and the driven roller (24), a servo motor (26) is fixedly arranged on the rack (23), and the servo motor (26) is connected with the driving roller (25);
the shaping device (3) comprises a support (27) fixedly arranged on the ground, a base (29) rotatably arranged on the support (27) through a rotating shaft (28), a machine base (30) arranged at the rear side of the base (29), and a double-acting oil cylinder (31) fixedly arranged on the front end face of the base (29), wherein a containing groove (32) is formed in the top of the base (29), a turning motor (33) is fixedly arranged on the support (27), the turning motor (33) is connected with the rotating shaft (28) through a coupler, guide rods (34) penetrate through the left side wall and the right side wall of the containing groove (32) in a sliding manner, one end of each guide rod (34) extends into the containing groove (32), and the extending end is fixedly provided with a positioning plate (35), the positioning plate (35) is longitudinally arranged and arranged in the accommodating groove (32), the other end extends to the outside of the base (29), a connecting plate (36) is fixedly arranged on the extending end, and two piston rods of the double-acting oil cylinder (31) are fixedly arranged on the two connecting plates (36) respectively; the top of frame (30) sets firmly hydraulic cylinder (37), and the terminal of hydraulic cylinder (37) piston rod sets firmly pressure head (38), and pressure head (38) set up in the holding tank (32) middle part directly over.
2. The integrated device for pressure shaping and high-temperature aging for battery production according to claim 1, characterized in that: the structure of first robot arm (2) and second robot arm (4) is the same, is provided with on the output of first robot arm (2) and grabs the material mechanism, grab the material mechanism including setting firmly mounting panel (39) on first robot arm (2) output, be provided with a plurality of flexible sucking discs (40) on the basal surface of mounting panel (39), flexible sucking disc (40) and vacuum pump connection.
3. The integrated device for pressure shaping and high-temperature aging for battery production according to claim 2, characterized in that: the bottom surface of the bottom plate (15) is fixedly provided with a fixed plate (41), and the action end of the piston rod of the longitudinal oil cylinder (14) is fixedly connected to the fixed plate (41).
4. The integrated device for pressure shaping and high-temperature aging for battery production according to claim 3, characterized in that: the power unit comprises a driven gear (42) arranged on the main shaft (12), a speed reducer (43) fixedly arranged on the moving platform (10) and a stepping motor (44), an output shaft of the stepping motor (44) is connected with an input shaft of the speed reducer (43) through a coupler, a driving gear (54) is arranged on an output shaft of the speed reducer (43), and the driving gear (54) is meshed with the driven gear (42).
5. The integrated device for pressure shaping and high-temperature aging for battery production according to claim 4, characterized in that: the simulation device comprises a driving motor (55), a movable rod (45) slidably mounted on the left side wall of the heating box (9), and a reciprocating oil cylinder (46) fixedly arranged on the right outer side wall of the heating box (9), wherein a piston rod of the reciprocating oil cylinder (46) extends into the heating box (9) and is fixedly provided with a right push plate (47) at the extending end, one end of the movable rod (45) extends into the heating box (9) and is fixedly provided with a left push plate (48) at the extending end, a horizontal spring (49) is sleeved on the movable rod (45), one end of the horizontal spring (49) is fixedly provided on the left push plate (48), the other end of the horizontal spring is fixedly provided on the left side wall of the heating box (9), a supporting plate (17) is arranged between the left push plate (48) and the right push plate (47), a driving shaft (50) is connected on an output shaft of the driving motor (55), the driving shaft (50) extends into the heating box (9), a plurality of cams (51) are mounted on the driving shaft (50), the cam (51) is disposed below the support plate (17).
6. The integrated device for pressure shaping and high-temperature aging for battery production according to claim 5, characterized in that: the robot further comprises a controller, wherein the controller is electrically connected with the first robot arm (2), the second robot arm (4), an electromagnetic valve of a hydraulic oil cylinder (37), an electromagnetic valve of a double-acting oil cylinder (31), an electromagnetic valve of a longitudinal oil cylinder (14), an electromagnetic valve of a reciprocating oil cylinder (46), a driving motor (55), a servo motor (26), a turnover motor (33), a vacuum pump and a stepping motor (44).
7. The use method of the pressure shaping and high-temperature aging integrated device for battery production according to any one of claims 1 to 6, characterized in that: it comprises the following steps:
s1, turning on the servo motor (26), driving the driving roller (25) to rotate by the servo motor (26), and driving the flat belt (52) to rotate clockwise by the driving roller (25);
s2, shaping the semi-finished battery, wherein the concrete operation steps are as follows:
s21, controlling the first robot arm (2) to move, enabling each flexible sucker (40) on the first robot arm to press the top surface of the convex hull (56) of the topmost semi-finished battery (7), controlling a vacuum pump to start after the flexible suckers are in place, vacuumizing the flexible sucker (40) by the vacuum pump, and sucking the topmost semi-finished battery A by the flexible sucker (40);
s22, positioning a semi-finished product battery A, controlling a first robot arm (2) to act, transferring the semi-finished product battery A into a containing groove (32) by the first robot arm (2), then closing a vacuum pump, cutting off a gas source, enabling the semi-finished product battery A to fall into the containing groove (32), enabling the semi-finished product battery A to be located between two positioning plates (35), then controlling the first robot arm (2) to reset, controlling a piston rod of a double-acting oil cylinder (31) to retract after resetting, simultaneously driving a connecting plate (36) to move oppositely by the two piston rods, driving a guide rod (34) to move oppositely by the connecting plate (36), driving the positioning plates (35) to move oppositely by the guide rod (34), clamping the semi-finished product battery A between the two positioning plates (35) after the piston rod of the double-acting oil cylinder (31) retracts completely, and enabling a convex bag (56) of the semi-finished product battery A to be just under a pressure head (38), thereby finally realizing the positioning of the semi-finished battery A;
s23, controlling the piston rod of the hydraulic oil cylinder (37) to stretch out, driving the press head (38) to move downwards by the piston rod, pressing the press head (38) on the top surface of the convex hull (56) of the semi-finished battery A to reduce the height of the convex hull (56), and pressing the convex hull (56) to be flat after the piston rod of the hydraulic oil cylinder (37) is completely stretched out, so that the semi-finished battery A is shaped;
s3, conveying the semi-finished product battery A after shaping, wherein the concrete operation steps are as follows:
s31, after reshaping, controlling the piston rod of the hydraulic oil cylinder (37) to reset, and simultaneously controlling the piston rod of the double-acting oil cylinder (31) to reset, wherein the two positioning plates (35) do not clamp the reshaped semi-finished battery A any more after resetting; then controlling the turning motor (33) to start, driving the rotating shaft (28) to rotate forwards by the turning motor (33), driving the base (29) to rotate forwards around the axis of the rotating shaft (28), buckling the top surface of the base (29) on the flat belt (52) after turning 180 degrees, and enabling the semi-finished battery A to fall on the upper side belt of the flat belt (52) under the action of gravity;
s32, controlling the turnover motor (33) to turn over, driving the base (29) to reset by the turnover motor (33), and conveying the semi-finished product battery A to the right by the flat belt (52) at the moment, thereby realizing the conveying of the semi-finished product battery A;
s4, repeating the operations of the steps S2-S3, and conveying a plurality of shaped semi-finished batteries A to the flat belt (52);
s5, feeding of the semi-finished battery A, and specifically comprising the following operation steps:
s51, separating the pressure plate (21) from the magnet (20) by a worker, and then turning the pressure plate (21) to the left around the hinge seat (19); at this time, each step groove (18) is exposed to the outside;
s52, controlling a second robot arm (4) to act, adsorbing the semi-finished product battery A on the flat belt (52) by the second robot arm (4), transferring the semi-finished product battery A onto the leftmost step groove (18) after adsorption, disconnecting the air source of the second robot arm (4) after the semi-finished product battery A is in place, enabling the semi-finished product battery A to fall on the shoulder of the leftmost step groove (18), and then controlling the second robot arm (4) to reset, so that the grabbing of the first semi-finished product battery A is realized;
s53, controlling a moving platform (10) of the hydraulic sliding platform (8) to move leftwards for a distance which is equal to the width of one step groove (18), driving a power unit and a heating box (9) to move leftwards synchronously by the moving platform (10), closing the hydraulic sliding platform (8) after the moving platform (10) is in place, and grabbing a second semi-finished battery A into a second step groove (18) by repeating the operation of the step S52; repeating the steps in such a way, namely, filling a semi-finished battery A in each step groove (18), thereby finally realizing the feeding of the semi-finished battery A;
s6, high-temperature aging test, which comprises the following specific steps:
s61, turning the pressing plate (21) rightwards around the hinge seat (19) to enable the pressing plate (21) to contact the magnet (20), and under the magnetic force of the magnet (20), pressing the through grooves (22) on the pressing plate (21) on the top surface of each semi-finished battery A correspondingly to fix the semi-finished battery A;
s62, controlling a piston rod of the longitudinal oil cylinder (14) to retract, driving the bottom plate (15) to retract into the heating box (9) by the piston rod, driving the supporting plate (17) and the semi-finished battery A on the supporting plate to retract into the heating box (9) synchronously by the bottom plate (15), when the piston rod retracts completely, the supporting plate (17) is just positioned between the left push plate (48) and the right push plate (47), and the bottom surface of the supporting plate (17) is contacted with the outer contour of the cam (51);
s63, closing the box door (13) on the heating box (9), opening the heating unit, raising the temperature in the heating box (9) by the heating unit, simultaneously opening the driving motor (55) by a worker, driving the driving shaft (50) to rotate by the driving motor (55), driving the cam (51) to rotate by the driving shaft (50), driving the supporting plate (17) to reciprocate up and down on the vertical spring (16) by the cam (51), so that the semi-finished battery A vibrates up and down in a reciprocating manner, simultaneously controlling the piston rod of the reciprocating oil cylinder (46) to reciprocate to extend or retract, driving the supporting plate (17) to reciprocate left and right on the vertical spring (16) by the piston rod through the right push plate (47), so that the semi-finished battery A vibrates left and right in a reciprocating manner, and finally realizing a high-temperature aging test of the battery after a period of time;
s7, after the high-temperature aging test is finished, closing the driving motor (55) and the reciprocating oil cylinder (46), and opening the box door (13); then control step motor (44) and start, the torque of step motor (44) drives driving gear (54) to rotate after reduction by reduction gear (43), driving gear (54) drives driven gear (42) and rotates, driven gear (42) drives main shaft (12) and rotates around bearing frame (11), main shaft (12) drive heating cabinet (9) are rotatory, after step motor (44) stall, the opening of heating cabinet (9) is towards the right side, at this moment, control vertical hydro-cylinder (14) piston rod and stretch out, stretch out the back, open clamp plate (21), in order to carry out air cooling to the battery after the high temperature ageing, after cooling a period, the workman beats the table to the top surface of battery one by one through the jump table, in order to reject unqualified battery.
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| CN202110731721.XA CN113471545B (en) | 2021-06-30 | 2021-06-30 | Pressurizing shaping and high-temperature aging integrated device for battery production and use method thereof |
| CN202210727227.0A CN115064776A (en) | 2021-06-30 | 2021-06-30 | Pressurizing shaping and high-temperature aging integrated device for battery production and use method thereof |
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| EP2071659B1 (en) * | 2007-12-07 | 2012-05-30 | NTT DoCoMo, Inc. | Battery testing device and battery testing method |
| CN204857880U (en) * | 2015-08-10 | 2015-12-09 | 东莞市致格电池科技有限公司 | Battery trimmer |
| CN205406643U (en) * | 2016-03-04 | 2016-07-27 | 福建星云电子股份有限公司 | Production line of soft -packaged electrical core module |
| CN207009579U (en) * | 2017-01-16 | 2018-02-13 | 宁德新能源科技有限公司 | Battery formation auxiliary equipment |
| CN109473726B (en) * | 2018-11-26 | 2021-04-09 | 合肥国轩高科动力能源有限公司 | Square lithium ion battery shaping device |
| CN211786001U (en) * | 2020-01-16 | 2020-10-27 | 湖州师范学院 | Lithium battery aging detection device |
| CN213026230U (en) * | 2020-10-09 | 2021-04-20 | 湖南比沃新能源有限公司 | A press from both sides tight leveling device for lithium cell production |
| CN212783561U (en) * | 2020-10-10 | 2021-03-23 | 山东望远新能源有限公司 | Lithium ion battery packaging and shaping device |
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