CN109449350B - Diaphragm caching device, lamination machine and battery core tail winding method - Google Patents
Diaphragm caching device, lamination machine and battery core tail winding method Download PDFInfo
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- CN109449350B CN109449350B CN201811253405.0A CN201811253405A CN109449350B CN 109449350 B CN109449350 B CN 109449350B CN 201811253405 A CN201811253405 A CN 201811253405A CN 109449350 B CN109449350 B CN 109449350B
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- 238000004804 winding Methods 0.000 title claims abstract description 140
- 238000003475 lamination Methods 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 175
- 238000007664 blowing Methods 0.000 claims description 22
- 238000005520 cutting process Methods 0.000 claims description 16
- 238000001179 sorption measurement Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000003825 pressing Methods 0.000 description 10
- 238000005096 rolling process Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
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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
- H01M10/045—Cells or batteries with folded plate-like electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/005—Devices for making primary cells
-
- 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)
- Secondary Cells (AREA)
Abstract
The invention provides a diaphragm caching device, a lamination machine and a battery core tail winding method, wherein the diaphragm caching device comprises a transmission mechanism, a clamping mechanism and a winding and unwinding mechanism, and the transmission mechanism comprises a mounting base, a first driving assembly and a second driving assembly; the clamping mechanism is arranged on the mounting base in a sliding manner and driven by the first driving assembly, and is used for clamping the battery cell of the diaphragm tail coil to be performed; the winding and unwinding mechanism is arranged on the mounting base in a sliding manner and driven by the second driving assembly, and is used for winding and unwinding the diaphragm of the battery cell to be subjected to diaphragm tail winding. The diaphragm buffer device provided by the invention can play a transitional role when the battery cell performs a lamination process and a tail coil process, so that the lamination mechanism can perform the next lamination process without waiting for the tail coil mechanism to finish the tail coil process.
Description
Technical Field
The invention relates to the technical field of battery manufacturing, in particular to a diaphragm buffer device, a lamination machine and a battery core tail roll method.
Background
In the battery manufacturing technology, when a battery core is manufactured in a lamination mode, aiming at the battery core needing to be rolled up (after the battery core is folded, a section of diaphragm is coated on the outermost layer of the battery core), in the battery core ending stage, a clamping mechanism is adopted to directly clamp the battery core, the battery core is moved from a lamination mechanism to a tail winding mechanism to carry out a tail winding process, when the battery core is subjected to the tail winding process, the lamination mechanism cannot carry out the lamination process, so that the auxiliary time of the battery core lamination is prolonged (the tail winding process belongs to an auxiliary process), and the efficiency of the battery core lamination is affected. After the tail coil process is finished, the membrane is cut off by the lamination mechanism through the cutting device, the battery cell is prepared at the moment, and the lamination mechanism starts the lamination process of the next battery cell.
Disclosure of Invention
The invention provides a diaphragm buffer device, a lamination machine and a battery cell tail roll method, which are used for solving the technical problem of low efficiency of battery cell lamination in the prior art.
In order to solve the technical problems, the invention adopts a technical scheme that: there is provided a diaphragm buffer device including:
the transmission mechanism comprises a mounting base, a first driving assembly and a second driving assembly;
the clamping mechanism is arranged on the mounting base in a sliding manner and driven by the first driving assembly, and is used for clamping the battery cell of the diaphragm tail coil to be performed;
the winding and unwinding mechanism is arranged on the mounting base in a sliding manner and driven by the second driving assembly, and is used for winding and unwinding the diaphragm of the battery cell to be subjected to diaphragm tail winding.
According to a specific embodiment of the invention, the mounting base is provided with a sliding rail, and the clamping mechanism and the winding and unwinding mechanism are both provided with sliding blocks matched with the sliding rail.
According to a specific embodiment of the present invention, the first driving assembly and the second driving assembly each include:
the driving motor is fixedly arranged relative to the mounting base;
the driving wheel is arranged at the driving end of the driving motor;
the driving wheel is rotatably arranged relative to the mounting base;
the driving belt is sleeved on the driving wheel and the driving wheel so as to connect the driving wheel and the driving wheel in a driving way;
and the clamping structural member is connected with the clamping mechanism and the winding and unwinding mechanism and clamps the driving belt so as to drive the clamping mechanism and the winding and unwinding mechanism to move when the driving belt moves.
According to a specific embodiment of the invention, the first driving component is one and is used for driving one clamping mechanism, the second driving component is one and is arranged on one side edge of the first driving component and is used for driving one winding and unwinding mechanism, and one clamping mechanism and one winding and unwinding mechanism are adjacently arranged to form a station; or alternatively
The first driving assembly is used for driving the clamping mechanism, the second driving assembly is arranged on two sides of the first driving assembly and used for driving the two winding and unwinding mechanisms, and the two winding and unwinding mechanisms and the clamping mechanism form two-clamping-one arrangement to form two stations.
According to a specific embodiment of the present invention, the clamping mechanism includes:
the support frame is connected with the mounting base in a sliding manner;
the clamping jaw air cylinder is arranged on one side face of the vertical plate and is provided with two driving ends;
and the two clamping plates are connected with the clamping jaw air cylinder.
According to a specific embodiment of the present invention, the winding and unwinding mechanism includes:
the assembly frame is connected with the mounting base in a sliding manner;
the lower press roll assembly is arranged in a sliding lifting manner relative to the assembly frame and comprises a winding and unwinding roller;
the upper press roll assembly is arranged in a sliding lifting manner relative to the assembly frame and is positioned above the lower press roll assembly, and the upper press roll assembly comprises a press roll;
and the linkage assembly is used for linking the winding and unwinding roller to rotate.
According to a specific embodiment of the present invention, the winding and unwinding mechanism includes:
the air blowing assembly is used for blowing and pasting the tail end of the diaphragm on the winding and unwinding roller; and/or
And when the tail end of the diaphragm is separated from the winding and unwinding roller, the tail end of the diaphragm is adsorbed by the adsorption assembly, so that the tail end of the diaphragm can slide on the surface of the adsorption assembly.
According to a specific embodiment of the present invention, the lower press roll assembly includes:
the winding and unwinding roller seat is rotatably arranged in the winding and unwinding roller seat, a negative pressure cavity is further formed in the winding and unwinding roller, and an adsorption hole is formed in the surface of the winding and unwinding roller;
the first air cylinder is arranged on the assembly frame and used for driving the winding and unwinding roller seat and the winding and unwinding roller to move up and down.
According to a specific embodiment of the present invention, the upper press roll assembly further includes:
the compressing roller seat is rotatably arranged in the compressing roller seat;
the second air cylinder is arranged on the assembly frame and used for driving the pressing roller seat and the pressing roller to move up and down.
According to an embodiment of the present invention, the linkage assembly further includes:
the motor is fixed on the assembly frame;
the linkage wheel is arranged at the driving end of the motor;
the synchronous belt is sleeved on the linkage wheel and the winding and unwinding roller;
the motor is used for driving the linkage wheel to drive the winding and unwinding roller to rotate in the forward and reverse directions.
According to a specific embodiment of the present invention, the blowing assembly includes:
the blowing roller seat is fixed at the front end of the compressing roller seat;
the blowing roller is rotatably arranged in the blowing roller seat, and is provided with a blowing hole which points to the circumferential wall of the winding and unwinding roller;
the adsorption component is a vacuum suction plate and is arranged on the side edge of the winding and unwinding roller and used for adsorbing the diaphragm when the diaphragm is separated from the winding and unwinding roller.
In order to solve the technical problems, the invention adopts another technical scheme that: the utility model provides a lamination machine, the lamination machine includes lamination mechanism, tail book mechanism, cutting device and foretell diaphragm buffer, wherein:
the lamination mechanism is used for carrying out lamination process on the diaphragm to manufacture the battery cell;
the diaphragm buffer device is used for grabbing the battery cell from the lamination mechanism and moving in a direction away from the lamination mechanism;
the cutting device is used for cutting off the diaphragm so that the lamination mechanism can synchronously perform the next lamination process;
and the tail coil mechanism is used for grabbing the battery cell from the diaphragm buffer device and carrying out tail coil technology.
In order to solve the technical problems, the invention adopts another technical scheme that: provided is a battery cell tail roll method, which comprises the following steps:
performing a lamination process on the diaphragm through a lamination mechanism to manufacture an electric core;
grabbing the battery cell from the lamination mechanism through the diaphragm buffer device and moving the battery cell in a direction away from the lamination mechanism;
severing the diaphragm by a cutting device to enable the lamination mechanism to simultaneously perform a next lamination process;
and grabbing the battery cell from the diaphragm cache device through a tail coil mechanism and performing a tail coil process.
The beneficial effects of the invention are as follows: compared with the prior art, the technical scheme of the invention can separate the tail winding process from the lamination process, namely, the clamping mechanism is used for clamping the battery core, the battery core is moved in the direction away from the lamination mechanism, the diaphragm is pulled out for a certain length, then the tail end of the diaphragm is clamped by the winding and unwinding mechanism, the diaphragm is cut off by the cutting device, at the moment, the lamination mechanism can perform the lamination process of the next battery core, meanwhile, the winding and unwinding mechanism is used for winding and caching the diaphragm, then the winding and unwinding mechanism and the clamping mechanism jointly move to the tail winding mechanism, the battery core is grabbed by the tail winding mechanism, the clamping mechanism is used for releasing the battery core, the position is moved in the direction away from the clamping mechanism, the tail winding mechanism starts to rotate, so that the battery core winds the diaphragm, and the winding and unwinding mechanism starts to unwind the diaphragm. Therefore, the tail coil process is independent, and the tail coil process is separated from the lamination process, so that the efficiency of battery cell lamination is improved, the production efficiency of battery cell preparation is improved, and the auxiliary time of battery cell preparation is shortened.
Drawings
For a clearer description of the technical solutions of embodiments of the invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the invention, from which, without inventive effort, other drawings can be obtained for a person skilled in the art, wherein:
FIG. 1 is a simplified front view of a diaphragm buffer device provided by an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the clamping mechanism of the diaphragm buffer device shown in FIG. 1;
FIG. 3 is an enlarged schematic view of the unwind and wind mechanism of the diaphragm buffer device shown in FIG. 1;
FIG. 4 is a right side view of the unwind and wind mechanism shown in FIG. 3;
fig. 5 is a simplified schematic diagram of a lamination machine provided in an embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present invention, are intended to be within the scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1, fig. 1 is a simplified front view of a diaphragm buffer device according to an embodiment of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a diaphragm buffer device 10, where the diaphragm buffer device 10 includes a transmission mechanism 100, a clamping mechanism 200, and a winding and unwinding mechanism 300.
The transmission mechanism 100 includes a mounting base 110, a first driving assembly 120, and a second driving assembly 130.
A clamping mechanism 200 is slidably disposed on the mounting base 110 and driven by the first drive assembly 120, the clamping mechanism 200 being used to clamp the cells 22 (see fig. 5) to be tail rolled of diaphragm.
The winding and unwinding mechanism 300 is slidably disposed on the mounting base 110 and driven by the second driving assembly 130, and the winding and unwinding mechanism 300 is used for winding and unwinding the diaphragm of the battery cell 22 to be subjected to the diaphragm tail winding.
Specifically, the mounting base 110 is provided with a sliding rail 111, the sliding rail 111 may be one or two parallel arranged, and the clamping mechanism 200 and the winding and unwinding mechanism 300 are provided with a sliding block 112 matched with the sliding rail 111 and are slidably arranged on the mounting base 110.
In the embodiment of the present invention, each of the first and second driving assemblies 120 and 130 includes a driving motor (not shown), a driving wheel 131, a driving wheel 132, a driving belt 133, and a clamping structure 134.
The driving motor is fixedly disposed relative to the mounting base 110, the driving wheel 131 is disposed at a driving end of the driving motor, the driving wheel 132 is rotatably disposed relative to the mounting base 110, for example, may be disposed at an upper portion of the mounting base 110 and located at a side edge of the sliding rail 111, and a driving belt 133 (only a portion is shown in fig. 1) is sleeved on the driving wheel 131 and the driving wheel 132 to connect the driving wheel 131 and the driving wheel 132 in a driving manner, and the clamping structure 134 is connected with the clamping mechanism 200 and the winding and unwinding mechanism 300 and clamps the driving belt 133 to drive the clamping mechanism 200 and the winding and unwinding mechanism 300 to move when the driving belt 133 moves.
In the embodiment of the present invention, the first driving assembly 120 and the second driving assembly 130 further each include a mounting seat 135, and the driving motor may be fixedly disposed on the mounting base 110 through the mounting seat 135.
In addition, the first drive assembly 120 and the second drive assembly 130 each further include a roller 136, the roller 136 being rotatably disposed relative to the mounting base 110, the roller 136 being configured to tension the belt 133.
As shown in fig. 1, in one embodiment of the present invention, the first driving component 120 is used for driving one clamping mechanism 200 to slide left and right on the mounting base 110, the second driving component 130 is two and is disposed at two sides of the first driving component 120 and is used for driving the left and right winding and unwinding mechanisms 300 to slide, and the two winding and unwinding mechanisms 300 and the one clamping mechanism 200 are disposed in a two-to-one manner to form two stations, so that the two stations can be used together for reciprocating and alternating operation of the one clamping mechanism 200.
In another embodiment of the present invention, the first driving component 120 may be one for driving a clamping mechanism 200 to slide left and right on the mounting base 110, and the second driving component 130 is one, disposed at one side of the first driving component 120, for driving a winding and unwinding mechanism 300 to slide, and the clamping mechanism 200 and the winding and unwinding mechanism 300 are disposed adjacently to form a station.
Referring to fig. 2 together, fig. 2 is an enlarged schematic view of a clamping mechanism of the diaphragm buffer device shown in fig. 1.
As shown in fig. 2, the clamping mechanism 200 includes a support frame, a jaw cylinder 230, two drive shafts 240, a clamping slide 250, two clamping blocks 260, two connecting blocks 270, and two clamping plates 280. Wherein the support frame may include a clamping base plate 210 and a riser 220.
The clamping bottom plate 210 may be slidably matched with the sliding rail 111 on the mounting base 110 through the sliding block 112, the vertical plate 220 is disposed on the clamping bottom plate 210, the vertical plate 220 may be one piece in a single-station structure, two vertical plates 220 and the clamping bottom plate 210 may be in an integral structure in a double-station structure, or may be mutually fixed by welding, screw connection or the like, the clamping jaw cylinder 230 is disposed on one side surface of the vertical plate 220, the clamping jaw cylinder 230 is provided with two driving ends, the two driving shafts 240 are respectively connected to the two driving ends, the clamping sliding rail 250 is disposed on the other side surface of the vertical plate 220, the two clamping sliding blocks 260 are respectively slidably connected with the clamping sliding rails 250, the two connecting blocks 270 are respectively fixedly connected with the two clamping sliding blocks 260 and are in transmission connection with the two driving shafts 240, the connecting blocks 270 may be provided with through holes so that the driving shafts 240 are inserted in the through holes to form transmission connection, the two clamping plates 280 are respectively fixedly connected with the two connecting blocks 270, wherein the clamping plates 280 and the connecting blocks 270 may be in an integral structure or be mutually fixed by welding, screw connection or the like, the two clamping plates 280 are relatively opened and closed by driving the clamping jaw cylinder 230 to release or clamp the battery core 22.
Referring to fig. 3 and 4 together, fig. 3 is an enlarged schematic view of the winding and unwinding mechanism of the diaphragm buffer device shown in fig. 1, and fig. 4 is a right side view of the winding and unwinding mechanism shown in fig. 3.
As shown in fig. 3 and 4, the winding and unwinding mechanism 300 includes an assembly frame, a lifting slide rail 330, a lower press roller assembly 340, an upper press roller assembly 350, a linkage assembly 360, and an air blowing assembly 370 and/or an adsorption assembly 373. The assembly frame may include a winding and unwinding base plate 310 and a mounting frame 320.
Receive and release bottom plate 310 accessible slider 112 and the slide rail 111 sliding fit on the installation base 110, install frame 320 locates on receive and release bottom plate 310, lift slide rail 330 locates on install frame 320, lower compression roller assembly 340 slides the lift setting of slide rail 330 relatively, lower compression roller assembly 340 includes receive and release roller 341, go up compression roller assembly 350 and slide the lift setting of slide rail 330 relatively, and be located lower compression roller assembly 340 top, go up compression roller assembly 350 and include pinch roller 351, linkage assembly 360 is used for the linkage receive and release roller 341 to rotate, the subassembly 370 blows the diaphragm tail end and pastes on receive and release roller 341, receive and release roller 341 of being convenient for carries out the rolling diaphragm, when the diaphragm tail end breaks away from receive and release roller 341, adsorption assembly 373 adsorbs the diaphragm tail end and makes the diaphragm tail end can slowly slide on the surface of adsorption assembly 371, the tail of being convenient for roll mechanism carries out the tail (rolling).
In an embodiment of the present invention, the lower roller assembly 340 further includes a first lifting slider 342, a first fixing base 343, a winding and unwinding roller seat 344, and a first cylinder 345.
The first lifting slider 342 is slidably disposed on the lifting slide rail 330, the first fixing seat 343 is fixed on the first lifting slider 342, the winding and unwinding roller seat 344 is fixed on the first fixing seat 343, the winding and unwinding roller 341 is rotationally disposed in the winding and unwinding roller seat 344, a winding and unwinding roller synchronous wheel (not shown in the drawing) is disposed on a roller shaft of the winding and unwinding roller 341, a negative pressure cavity is further disposed inside the winding and unwinding roller 341, a plurality of adsorption holes are disposed on a surface of the winding and unwinding roller 341, the negative pressure cavity is communicated with a vacuum pumping device (vacuum pump), the plurality of adsorption holes can adsorb a diaphragm through an air pumping effect of the vacuum pumping device, the first cylinder 345 is disposed on the mounting frame 320, and a driving end of the first cylinder 345 is connected with the first fixing seat 343 for driving the first fixing seat 343, the winding and unwinding roller seat 344 and the winding and unwinding roller 341 to move up and down.
In an embodiment of the present invention, the upper press roller assembly 350 further includes a second lifting slider 352, a second fixing base 353, a pressing roller base 354, and a second air cylinder 355.
The second lifting slide block 352 is slidably disposed on the lifting slide rail 330, the second fixing seat 353 is fixed on the second lifting slide block 352, the pressing roller seat 354 is fixed on the second fixing seat 353, the pressing roller 351 is rotatably disposed in the pressing roller seat 354, the second air cylinder 355 is disposed on the winding and unwinding bottom plate 310, and the driving end of the second air cylinder 355 is connected with the second fixing seat 353 and is used for driving the second fixing seat 353, the pressing roller seat 354 and the pressing roller 351 to move up and down.
In an embodiment of the present invention, the linkage assembly 360 includes a motor mount 361, a motor 362, a linkage wheel 363, and a timing belt (not shown).
Wherein, the motor mount pad 361 is fixed to the first fixing base 343, and the motor 362 is fixed to the motor mount pad 361, and the driving end of the motor 362 is disposed on the coupling wheel 363 and the winding and unwinding roller synchronizing wheel by the coupling wheel 363, and the motor 362 is used for driving the coupling wheel 363 to rotate so as to drive the winding and unwinding roller 341 to rotate in a forward and reverse direction, thereby realizing winding and unwinding of the diaphragm.
In an embodiment of the present invention, the blowing unit 370 includes a blowing roller base 371 and a blowing roller 372. The suction assembly 373 may be a vacuum suction plate.
Wherein, the front end of the roll seat 354 is fixed to the roll seat 371 of blowing, and the roll 372 rotatablely locates in the roll seat 371 of blowing, and the roll 372 of blowing is equipped with the gas pocket, and the gas pocket is directional to receive the barrel perisporium of unreeling roller 341 for blow the diaphragm tail end and paste on receive the unreeling roller 341, the vacuum suction plate sets up in receive the side of unreeling roller 341, is used for adsorbing the diaphragm when the diaphragm tail end breaks away from receive the unreeling roller 341.
The specific process is that the transmission mechanism 100 drives the clamping mechanism 200 to move leftwards to clamp the battery cell from the lamination mechanism and drive the battery cell to move rightwards, and the diaphragm is pulled out for a certain length in the moving process. The battery core and the diaphragm pass through the space between the winding and unwinding roller 341 and the pressing roller 351, the first air cylinder 345 and the second air cylinder 355 respectively drive the winding and unwinding roller 341 and the pressing roller 351 to move relatively to clamp the diaphragm, the diaphragm is cut off by the cutting device 21 of the lamination mechanism, and the lamination mechanism can perform the lamination process of the next battery core. The blowing roller 372 blows downwards to blow and paste the tail end of the diaphragm on the winding and unwinding roller 341, and the winding and unwinding roller 341 sucks vacuum to adsorb and fix the diaphragm. The motor 362 drives the winding and unwinding roller 341 to rotate to wind up the diaphragm, and in the process of winding up the diaphragm, the transmission mechanism 100 drives the clamping mechanism 200 to move relative to the winding and unwinding roller 341, so that the tension of the diaphragm is kept stable, and the winding and unwinding roller 341 is convenient to wind up. After the winding is finished, the transmission mechanism 100 drives the winding and unwinding mechanism 300 and the clamping mechanism 200 to move rightward to the tail winding mechanism simultaneously, the tail winding mechanism clamps the battery core, the clamping mechanism 200 releases the battery core, the battery core moves rightward to avoid the position, the tail winding mechanism rotates the battery core to wind the diaphragm on the battery core, and the winding and unwinding mechanism 300 simultaneously unwinds the diaphragm in the process of winding the diaphragm by the battery core, so that the tension stability of the diaphragm is ensured.
Referring to fig. 5, fig. 5 is a simplified schematic diagram of a lamination machine according to an embodiment of the invention.
As shown in fig. 5, the embodiment of the present invention further provides a lamination machine, which includes a lamination mechanism 20, a tail roll mechanism 30, a cutting device 21, and the foregoing diaphragm buffer device 10, where the lamination mechanism 20 is used to perform a lamination process on a diaphragm to make the battery cell 22, the diaphragm buffer device 10 is used to grasp the battery cell 22 from the lamination mechanism 20 and move away from the lamination mechanism 20, the cutting device 21 is used to cut the diaphragm so that the lamination mechanism 20 can perform the next lamination process synchronously, and the tail roll mechanism 30 is used to grasp the battery cell 22 from the diaphragm buffer device 10 and perform the tail roll process.
With continued reference to fig. 5, an embodiment of the present invention further provides a method for winding a battery cell tail, where the method includes:
lamination process is performed on the membrane by lamination mechanism 20 to make cell 22; the lamination mechanism 20 may refer to the prior art, and is not described herein because it does not relate to the point of the invention.
Grabbing the battery cell 22 from the lamination mechanism 20 by the diaphragm buffer device 10 and moving in a direction away from the lamination mechanism 20;
severing the diaphragm by the cutting device 21 to enable the lamination mechanism 10 to proceed with the next lamination process simultaneously;
the cells 22 are grasped from the diaphragm buffer 10 by the tail-winding mechanism 30 and the tail-winding process is performed. The tail winding mechanism 30 may refer to the prior art, and is not described herein because it does not relate to the point of the invention.
According to the technical scheme, the tail winding process and the lamination process can be separated, namely, the clamping mechanism 200 is adopted to clamp the battery core 22, the battery core 22 is moved in a direction away from the lamination mechanism 20, the diaphragm is pulled out for a certain length, then the winding and unwinding mechanism 300 is adopted to clamp the tail end of the diaphragm, and then the diaphragm is cut off through the cutting device 21, at the moment, the lamination mechanism 20 can perform the lamination process of the next battery core, meanwhile, the winding and unwinding mechanism 300 is used for winding and caching the diaphragm, then the winding and unwinding mechanism 300 and the clamping mechanism 200 jointly move to the tail winding mechanism 30, the tail winding mechanism 30 is used for grabbing the battery core 22, the clamping mechanism 200 is used for releasing the battery core 22, the tail winding mechanism 30 is used for moving in a direction away from the clamping mechanism 200, the diaphragm is started to rotate, and meanwhile, the winding and the unwinding mechanism 300 is used for starting to unwind the diaphragm. Therefore, the tail coil process is independent, and the tail coil process is separated from the lamination process, so that the efficiency of battery cell lamination is improved, the production efficiency of battery cell preparation is improved, and the auxiliary time of battery cell preparation is shortened.
In summary, as will be readily understood by those skilled in the art, the present disclosure provides the diaphragm buffer device 10 capable of playing a transitional role when the battery core performs the lamination process and the tail winding process, that is, the diaphragm buffer device 10 can grasp the battery core 22 from the lamination mechanism 20 and drive the battery core to move through the clamping mechanism 200, the diaphragm is pulled out by a certain length during the movement process, the pulled diaphragm is wound by the winding and unwinding mechanism 300, the diaphragm is cut off by the cutting device 21 of the lamination mechanism 20, the winding and unwinding mechanism 300 moves towards the tail winding mechanism 30, the battery core 22 is grasped by the tail winding mechanism 30, the winding and unwinding mechanism 300 synchronously unwinds, and the tail winding mechanism 30 performs the tail winding process, so that the lamination mechanism 20 can perform the next lamination process without waiting for the tail winding mechanism 30 to complete the tail winding process.
The foregoing is only the embodiments of the present invention, and therefore, the patent scope of the invention is not limited thereto, and all equivalent structures or equivalent processes using the descriptions of the present invention and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the invention.
Claims (6)
1. A diaphragm buffer device, characterized in that the diaphragm buffer device comprises:
the conveying mechanism comprises a mounting base, a first driving assembly and a second driving assembly, wherein the first driving assembly is used for driving a clamping mechanism, the second driving assembly is arranged on one side edge of the first driving assembly and used for driving a winding and unwinding mechanism, and one clamping mechanism and one winding and unwinding mechanism are adjacently arranged to form a station; or alternatively
The two first driving components are used for driving one clamping mechanism, the two second driving components are arranged on two side edges of the first driving component and used for driving the two winding and unwinding mechanisms, and the two winding and unwinding mechanisms and the clamping mechanism form two-clamping-one arrangement to form two stations;
the clamping mechanism is arranged on the mounting base in a sliding manner and driven by the first driving assembly, and is used for clamping the battery cell of the diaphragm tail coil to be performed;
the winding and unwinding mechanism is arranged on the mounting base in a sliding manner and driven by the second driving assembly, and is used for winding and unwinding the diaphragm of the battery cell to be subjected to diaphragm tail winding;
wherein, receive and release mechanism includes:
the assembly frame is connected with the mounting base in a sliding manner;
the lower press roll assembly is arranged in a sliding lifting manner relative to the assembly frame and comprises a winding and unwinding roller;
the upper press roll assembly is arranged in a sliding lifting manner relative to the assembly frame and is positioned above the lower press roll assembly, and the upper press roll assembly comprises a press roll;
the linkage assembly is used for linking the winding and unwinding roller to rotate;
the air blowing assembly is used for blowing and pasting the tail end of the diaphragm on the winding and unwinding roller; and/or
The adsorption component adsorbs the tail end of the diaphragm when the tail end of the diaphragm is separated from the winding and unwinding roller, so that the tail end of the diaphragm can slide on the surface of the adsorption component;
wherein, the lower press roll assembly further comprises:
the winding and unwinding roller seat is rotatably arranged in the winding and unwinding roller seat, a negative pressure cavity is further formed in the winding and unwinding roller, and an adsorption hole is formed in the surface of the winding and unwinding roller;
the first cylinder is arranged on the assembly frame and is used for driving the winding and unwinding roller seat and the winding and unwinding roller to move up and down;
wherein, go up compression roller subassembly still includes:
the compressing roller seat is rotatably arranged in the compressing roller seat;
the second air cylinder is arranged on the assembly frame and is used for driving the compaction roller seat and the compaction roller to move up and down;
the linkage assembly includes:
the motor is fixed on the assembly frame;
the linkage wheel is arranged at the driving end of the motor;
the synchronous belt is sleeved on the linkage wheel and the winding and unwinding roller, and the motor is used for driving the linkage wheel to drive the winding and unwinding roller to rotate in the forward and reverse directions;
the blowing assembly includes:
the blowing roller seat is fixed at the front end of the compressing roller seat;
the blowing roller is rotatably arranged in the blowing roller seat, and is provided with a blowing hole which points to the circumferential wall of the winding and unwinding roller;
the adsorption component is a vacuum suction plate and is arranged on the side edge of the winding and unwinding roller and used for adsorbing the diaphragm when the diaphragm is separated from the winding and unwinding roller.
2. The diaphragm buffer device of claim 1 wherein said mounting base is provided with a slide rail, and said clamping mechanism and said unwind mechanism are each provided with a slider mated with said slide rail.
3. The diaphragm buffer assembly of claim 1 wherein said first drive assembly and said second drive assembly each comprise:
the driving motor is fixedly arranged relative to the mounting base;
the driving wheel is arranged at the driving end of the driving motor;
the driving wheel is rotatably arranged relative to the mounting base;
the driving belt is sleeved on the driving wheel and the driving wheel so as to connect the driving wheel and the driving wheel in a driving way;
and the clamping structural member is connected with the clamping mechanism and the winding and unwinding mechanism and clamps the driving belt so as to drive the clamping mechanism and the winding and unwinding mechanism to move when the driving belt moves.
4. The diaphragm buffer device of claim 1, wherein said clamping mechanism comprises:
the support frame is connected with the mounting base in a sliding manner;
the clamping jaw cylinder is arranged on the supporting frame;
and the two clamping plates are connected with the clamping jaw air cylinder.
5. A lamination machine comprising a lamination mechanism, a tail roll mechanism, a cutting device, and a diaphragm buffer device of any one of claims 1 to 4, wherein:
the lamination mechanism is used for carrying out lamination process on the diaphragm to manufacture the battery cell;
the diaphragm buffer device is used for grabbing the battery cell from the lamination mechanism and moving in a direction away from the lamination mechanism;
the cutting device is used for cutting off the diaphragm so that the lamination mechanism can synchronously perform the next lamination process;
and the tail coil mechanism is used for grabbing the battery cell from the diaphragm buffer device and carrying out tail coil technology.
6. A method of tail winding a cell, the method comprising:
performing a lamination process on the diaphragm through a lamination mechanism to manufacture an electric core;
grasping the cells from the lamination mechanism and moving away from the lamination mechanism by the diaphragm buffer device of any one of claims 1 to 4;
severing the diaphragm by a cutting device to enable the lamination mechanism to simultaneously perform a next lamination process;
and grabbing the battery cell from the diaphragm cache device through a tail coil mechanism and performing a tail coil process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811253405.0A CN109449350B (en) | 2018-10-25 | 2018-10-25 | Diaphragm caching device, lamination machine and battery core tail winding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811253405.0A CN109449350B (en) | 2018-10-25 | 2018-10-25 | Diaphragm caching device, lamination machine and battery core tail winding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109449350A CN109449350A (en) | 2019-03-08 |
| CN109449350B true CN109449350B (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811253405.0A Active CN109449350B (en) | 2018-10-25 | 2018-10-25 | Diaphragm caching device, lamination machine and battery core tail winding method |
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| Country | Link |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110112452B (en) * | 2019-05-20 | 2024-02-02 | 深圳市光大激光科技股份有限公司 | Automatic butt-joint film-changing mechanism, film-changing method and cell film-coating machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203277573U (en) * | 2013-04-27 | 2013-11-06 | 深圳市格林晟科技有限公司 | Auxiliary device for acceleration of tail coiling mechanism of lamination stacking machine |
| CN209329012U (en) * | 2018-10-25 | 2019-08-30 | 无锡先导智能装备股份有限公司 | Diaphragm buffer storage, laminating machine |
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2018
- 2018-10-25 CN CN201811253405.0A patent/CN109449350B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203277573U (en) * | 2013-04-27 | 2013-11-06 | 深圳市格林晟科技有限公司 | Auxiliary device for acceleration of tail coiling mechanism of lamination stacking machine |
| CN209329012U (en) * | 2018-10-25 | 2019-08-30 | 无锡先导智能装备股份有限公司 | Diaphragm buffer storage, laminating machine |
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| CN109449350A (en) | 2019-03-08 |
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