CN113991182B - Battery cell top encapsulation machine - Google Patents
Battery cell top encapsulation machine Download PDFInfo
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- CN113991182B CN113991182B CN202111247087.9A CN202111247087A CN113991182B CN 113991182 B CN113991182 B CN 113991182B CN 202111247087 A CN202111247087 A CN 202111247087A CN 113991182 B CN113991182 B CN 113991182B
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- adhesive
- adhesive tape
- battery cell
- block
- clamping
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- 238000005538 encapsulation Methods 0.000 title claims abstract description 82
- 230000007246 mechanism Effects 0.000 claims abstract description 170
- 239000002390 adhesive tape Substances 0.000 claims abstract description 152
- 239000000853 adhesive Substances 0.000 claims abstract description 84
- 230000001070 adhesive effect Effects 0.000 claims abstract description 84
- 239000003292 glue Substances 0.000 claims abstract description 45
- 238000005520 cutting process Methods 0.000 claims abstract description 36
- 238000010073 coating (rubber) Methods 0.000 claims abstract description 26
- 229920001971 elastomer Polymers 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims description 18
- 238000007664 blowing Methods 0.000 claims description 16
- 239000007779 soft material Substances 0.000 claims description 8
- 239000000806 elastomer Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 description 12
- 238000000576 coating method Methods 0.000 description 12
- 230000033001 locomotion Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a battery core top rubber coating machine, which comprises a battery core compressing and positioning device, a rubber pulling and cutting device and a rubber absorbing and rubber coating device; the film pulling and cutting device comprises a film rotatably arranged on the frame; the frame is provided with a reversing piece, a clamping mechanism, a cutting mechanism and a glue pulling mechanism; the adhesive tape led out from the film bypasses the reversing piece and enters the clamping mechanism, and one surface of the adhesive tape contacted with the reversing piece is a smooth surface; the clamping mechanism comprises a pair of clamping blocks capable of opening and closing, and a plurality of clamping protrusions are arranged at the contact parts of the clamping blocks and the adhesive surfaces of the adhesive tapes; the adhesive pulling mechanism comprises a pair of adhesive pulling clamping blocks which can be opened and closed, and a plurality of adhesive pulling clamping protrusions are arranged at the contact parts of the adhesive pulling clamping blocks and the adhesive surface of the adhesive tape; the adhesive suction and encapsulation device can suck and encapsulate the adhesive tape on the battery core compressing and positioning device. The invention has the advantages that: welding dust is not easy to invade the battery core, the battery is not easy to short circuit, and the encapsulation quality is good.
Description
Technical Field
The invention relates to the field of battery cell encapsulation, in particular to a battery cell top encapsulation machine.
Background
The service life of the battery is prolonged, the safety of the battery is improved, and the battery is a continuous pursuing direction of power lithium ion battery production. The problem that welding dust invades a battery winding core is solved, the short circuit rate of the battery can be effectively reduced, and meanwhile, the safety and the service life of the battery can be improved. After hot pressing, the battery cell is additionally coated with the rubber on the lug side, so that the invasion of follow-up welding dust is effectively avoided, and the aim of reducing the short circuit rate of the battery is fulfilled. In the prior art, typical encapsulation equipment is as follows, as disclosed in chinese patent application publication No. CN110212252a, an encapsulation machine comprises a battery cell transplanting assembly, a glue folding and rolling assembly and a glue pulling assembly, wherein the glue pulling assembly comprises a glue cutting mechanism, a glue sucking mechanism and a tape clamping and measuring mechanism, the glue folding and rolling assembly comprises a glue folding mechanism and a glue rolling mechanism, and the battery cell transplanting assembly is used for driving the battery cell to move to the glue pulling assembly and the glue folding and rolling assembly. The encapsulation efficiency of encapsulation equipment among the prior art is lower, is difficult to realize once moving and carries out a plurality of positions encapsulation operation, and at the encapsulation in-process, the rubber face of sticky tape can directly carry out the large tracts of land contact with the plane position of other parts, carries out the colloid that influences the sticky tape, influences the encapsulation quality.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: welding dust in the prior art easily invades the technical problem that the battery cell, the battery is easy to short circuit and the encapsulation quality is poor.
The invention solves the technical problems by the following technical means: the battery core top encapsulation machine comprises a battery core compression positioning device, a rubber pulling and cutting device and a rubber absorbing and encapsulating device which are arranged on a frame;
The battery cell to be encapsulated is arranged on a battery cell compressing and positioning device;
The glue pulling and cutting device comprises a film, a reversing piece, a clamping mechanism, a cutting mechanism and a glue pulling mechanism;
the adhesive tape led out from the film bypasses the reversing piece and enters the clamping mechanism, and one surface of the adhesive tape contacted with the reversing piece is a smooth surface;
The clamping mechanism comprises a pair of clamping blocks capable of being opened and closed, and a plurality of clamping protrusions are arranged at the contact positions of the clamping blocks and the adhesive surface of the adhesive tape;
the adhesive pulling mechanism comprises a pair of adhesive pulling clamping blocks which can be opened and closed, and a plurality of adhesive pulling clamping protrusions are arranged at the contact parts of the adhesive pulling clamping blocks and the adhesive surfaces of the adhesive tapes;
The cutting mechanism can cut off the adhesive tape clamped between the clamping mechanism and the adhesive pulling mechanism;
the adhesive suction and encapsulation device is positioned between the cutting mechanism and the adhesive pulling mechanism, and can suck and encapsulate the adhesive tape on the battery core compressing and positioning device.
When the electric core top rubber coating machine is in practical application, the electric core pressing and positioning device is used for positioning an electric core to be coated so as to facilitate the subsequent rubber coating operation, the adhesive tape led out from the film bypasses the reversing piece and enters the clamping mechanism, the adhesive tape is clamped in the clamping blocks of the clamping mechanism, the adhesive tape end extends out of the clamping mechanism, the adhesive pulling mechanism moves to the adhesive tape end, the adhesive pulling clamping blocks clamp the adhesive tape end, then the clamping blocks are loosened, the adhesive surface is easy to fall off when the clamping blocks are loosened, compared with the situation that the adhesive surface is adhered on a plane and is easier to fall off when the adhesive pulling mechanism pulls the adhesive tape to realize the adhesive pulling operation, the clamping mechanism clamps the adhesive tape after a preset length is pulled out, the adhesive absorbing and coating device is used for absorbing the adhesive tape, then the cutting mechanism cuts off the adhesive tape clamped between the clamping mechanism and the adhesive pulling mechanism, and then the adhesive pulling clamping blocks of the adhesive pulling mechanism are loosened, and the adhesive tape clamping blocks are contacted with the adhesive surface of the adhesive tape, so that the adhesive surface is easy to fall off when the adhesive tape is cut off, compared with the prior art, and the adhesive tape is easy to break and is suitable for being cut and broken when the adhesive tape is subjected to the rubber coating process. After the adhesive pulling clamping blocks are loosened, the adhesive suction encapsulation device wraps the adhesive tape on the battery core compressing and positioning device, and then the adhesive suction encapsulation device resets.
Preferably, the electric core compressing and positioning device comprises an electric core positioning block arranged on the frame, wherein the electric core positioning block can block two adjacent side edges of a first corner of the electric core;
The battery cell comprises a battery cell, a battery cell and a battery, wherein the battery cell is characterized by also comprising an angle positioning block driving mechanism arranged on the frame, an angle positioning block is arranged at the movable end of the angle positioning block driving mechanism, the angle positioning block driving mechanism drives the angle positioning block to extend out, the angle positioning block can be blocked at two adjacent side edges of a second corner of the battery cell, and the second corner and the first corner are two opposite angles of the battery cell;
the battery cell positioning block is characterized by further comprising a press block driving mechanism, wherein a battery cell press block is arranged at the movable end of the press block driving mechanism, and the press block driving mechanism can drive the battery cell press block to press a battery cell positioned on the battery cell positioning block.
The electric core is arranged on the electric core positioning block, the angle positioning block driving mechanism drives the angle positioning block to extend out, the electric core positioning block and the angle positioning block are matched to realize accurate positioning of the electric core from two opposite angles, the positioning accuracy is high, then the pressing block driving mechanism drives the electric core pressing block to press the electric core positioned on the electric core positioning block, and then the electric core is fixed, so that the subsequent encapsulation operation is convenient, and compared with the prior art, the electric core positioning is convenient when the electric core encapsulation is carried out, and the positioning accuracy is high.
Preferably, a horizontal driving mechanism is arranged on the frame, a horizontal sliding block is arranged at the movable end of the horizontal driving mechanism, a pressing block driving mechanism is arranged on the horizontal sliding block, and the horizontal driving mechanism can drive the horizontal sliding block and the pressing block driving mechanism to move to the upper part of the electric core positioning block.
Before placing the electric core, horizontal slider and briquetting actuating mechanism are located electric core locating piece one side, and after placing the electric core, horizontal actuating mechanism can drive horizontal slider and briquetting actuating mechanism and remove to the top of electric core locating piece to realize electric core and compress tightly, can vacate great space at electric core locating piece, in order to satisfy electric core and place the demand.
Optimally, the battery cell positioning device further comprises a positioning piece arranged on the frame, and when the horizontal sliding block moves to the upper side of the battery cell positioning block, the horizontal sliding block can be in positioning fit with the positioning piece through a shaft hole fit structure.
When the battery cell briquetting is pressed on the battery cell, can exert certain effort to horizontal slider, through the cooperation location of horizontal slider and setting element, can prevent that horizontal slider from atress warp, improve whole device intensity.
Preferably, at least two films are arranged, and all the films led out bypass the reversing piece and then enter the clamping mechanism in parallel.
The film sets up a plurality of, can once realize that many sticky tapes draw the glued operation of cutting, and efficiency is higher and can satisfy actual demand.
Optimally, the clamping block contacted with the adhesive surface of the adhesive tape is provided with a gas blowing hole, the gas blowing hole is connected with peripheral blowing equipment, and the gas blowing hole can blow the adhesive tape to separate the adhesive tape from the clamping block.
When the adhesive tape needs to be loosened, after the clamping blocks are separated, air is blown to the adhesive surface of the adhesive tape through the air blowing holes, so that the adhesive tape is convenient to fall off.
Preferably, the rubber suction and encapsulation device comprises an encapsulation driving mechanism arranged on the frame;
The movable end of the rubber coating driving mechanism is provided with a rubber coating head, the rubber coating head comprises two suction heads, and the suction heads face the smooth surface of the rubber belt;
A pair of swing frames are hinged between the two suction heads, the hinge shafts of the two swing frames are parallel and are perpendicular to the moving direction of the movable end of the rubber coating driving mechanism, roller wheels are arranged on the swing frames, and the axes of the roller wheels are parallel to the hinge shafts of the corresponding swing frames;
The roller wheel edge is parallel to the end face of the suction head in a natural state.
When the adhesive tape moves to the end parts of the two suction heads, the two suction heads suck the adhesive tape, the adhesive tape is sheared into sections, and the adhesive tape coating driving mechanism drives the adhesive tape coating head to move towards the electric core, because under the natural state, the edge of the roller is flush with the end surface of the suction heads, when the adhesive tape contacts with the electric core, the roller can timely press the adhesive tape on the surface of the electric core, the loosening or falling of the adhesive tape is avoided, after the adhesive tape contacts with the edge of the electric core, the two swing frames are opened along with the movement of the adhesive tape coating head, the two roller wheels are clamped at the two sides of the electric core, and then the adhesive tape is paved on the electric core, so that the adhesive tape coating is realized, and compared with the prior art, the adhesive tape coating quality is better.
Preferably, the rubber coating head further comprises a fixing plate, two suction heads are respectively arranged at two ends of the fixing plate, the swing frame is L-shaped, the first end of the swing frame is bent to the suction heads at the outer side of the swing frame and is hinged to the suction heads, and the roller is arranged at the second end of the swing frame;
when the swing frame swings inwards, the bent corner of the swing frame can be pressed on the fixing plate.
Under the blocking of the fixed plate, the swing frame can only swing to a certain position, so that a certain gap is reserved between the two rollers, and the two sides of the battery cell can be smoothly clamped during encapsulation.
Optimally, a push plate is arranged on the fixed plate in a sliding way, the sliding direction of the push plate is parallel to the moving direction of the encapsulation head, the push plate is positioned between the two swing frames, and the side shape of the push plate is matched with the side shape of the battery cell to be encapsulated;
a push plate elastomer is arranged between the push plate and the fixed plate, and the push plate elastomer can enable the push plate to have a trend of sliding towards the battery cell.
During the rubber coating, the push plate can be pressed on the side face of the battery cell, so that the rubber belt is tightly pressed, and the rubber coating quality is ensured.
Preferably, the circumference of the roller is made of soft materials, and the middle of the roller is thick and the two ends of the roller are thin.
Because the circumference of the roller is made of soft materials, when the roller is pressed on the surface of the battery cell, the thicker part in the middle of the roller is firstly contacted with the adhesive tape and the battery cell and deformed, and then the whole roller is gradually contacted with the adhesive tape and the battery cell, so that the adhesive tape is gradually pressed from the middle to the two sides, the impurity such as air doping in the middle of the adhesive tape can be avoided, and the encapsulation effect is ensured.
The invention has the advantages that:
1. When the electric core top rubber coating machine is in practical application, the electric core pressing and positioning device is used for positioning an electric core to be coated so as to facilitate the subsequent rubber coating operation, the adhesive tape led out from the film bypasses the reversing piece and enters the clamping mechanism, the adhesive tape is clamped in the clamping blocks of the clamping mechanism, the adhesive tape end extends out of the clamping mechanism, the adhesive pulling mechanism moves to the adhesive tape end, the adhesive pulling clamping blocks clamp the adhesive tape end, then the clamping blocks are loosened, the adhesive surface is easy to fall off when the clamping blocks are loosened, compared with the situation that the adhesive surface is adhered on a plane and is easier to fall off when the adhesive pulling mechanism pulls the adhesive tape to realize the adhesive pulling operation, the clamping mechanism clamps the adhesive tape after a preset length is pulled out, the adhesive absorbing and coating device is used for absorbing the adhesive tape, then the cutting mechanism cuts off the adhesive tape clamped between the clamping mechanism and the adhesive pulling mechanism, and then the adhesive pulling clamping blocks of the adhesive pulling mechanism are loosened, and the adhesive tape clamping blocks are contacted with the adhesive surface of the adhesive tape, so that the adhesive surface is easy to fall off when the adhesive tape is cut off, compared with the prior art, and the adhesive tape is easy to break and is suitable for being cut and broken when the adhesive tape is subjected to the rubber coating process. After the adhesive pulling clamping blocks are loosened, the adhesive suction encapsulation device wraps the adhesive tape on the battery core compressing and positioning device, and then the adhesive suction encapsulation device resets.
2. The electric core is arranged on the electric core positioning block, the angle positioning block driving mechanism drives the angle positioning block to extend out, the electric core positioning block and the angle positioning block are matched to realize accurate positioning of the electric core from two opposite angles, the positioning accuracy is high, then the pressing block driving mechanism drives the electric core pressing block to press the electric core positioned on the electric core positioning block, and then the electric core is fixed, so that the subsequent encapsulation operation is convenient, and compared with the prior art, the electric core positioning is convenient when the electric core encapsulation is carried out, and the positioning accuracy is high.
3. Before placing the electric core, horizontal slider and briquetting actuating mechanism are located electric core locating piece one side, and after placing the electric core, horizontal actuating mechanism can drive horizontal slider and briquetting actuating mechanism and remove to the top of electric core locating piece to realize electric core and compress tightly, can vacate great space at electric core locating piece, in order to satisfy electric core and place the demand.
4. When the battery cell briquetting is pressed on the battery cell, can exert certain effort to horizontal slider, through the cooperation location of horizontal slider and setting element, can prevent that horizontal slider from atress warp, improve whole device intensity.
5. The film sets up a plurality of, can once realize that many sticky tapes draw the glued operation of cutting, and efficiency is higher and can satisfy actual demand.
6. When the adhesive tape needs to be loosened, after the clamping blocks are separated, air is blown to the adhesive surface of the adhesive tape through the air blowing holes, so that the adhesive tape is convenient to fall off.
7. When the adhesive tape moves to the end parts of the two suction heads, the two suction heads suck the adhesive tape, the adhesive tape is sheared into sections, and the adhesive tape coating driving mechanism drives the adhesive tape coating head to move towards the electric core, because under the natural state, the edge of the roller is flush with the end surface of the suction heads, when the adhesive tape contacts with the electric core, the roller can timely press the adhesive tape on the surface of the electric core, the loosening or falling of the adhesive tape is avoided, after the adhesive tape contacts with the edge of the electric core, the two swing frames are opened along with the movement of the adhesive tape coating head, the two roller wheels are clamped at the two sides of the electric core, and then the adhesive tape is paved on the electric core, so that the adhesive tape coating is realized, and compared with the prior art, the adhesive tape coating quality is better.
8. Under the blocking of the fixed plate, the swing frame can only swing to a certain position, so that a certain gap is reserved between the two rollers, and the two sides of the battery cell can be smoothly clamped during encapsulation.
9. During the rubber coating, the push plate can be pressed on the side face of the battery cell, so that the rubber belt is tightly pressed, and the rubber coating quality is ensured.
10. Because the circumference of the roller is made of soft materials, when the roller is pressed on the surface of the battery cell, the thicker part in the middle of the roller is firstly contacted with the adhesive tape and the battery cell and deformed, and then the whole roller is gradually contacted with the adhesive tape and the battery cell, so that the adhesive tape is gradually pressed from the middle to the two sides, the impurity such as air doping in the middle of the adhesive tape can be avoided, and the encapsulation effect is ensured.
Drawings
FIGS. 1 and 2 are perspective views of a battery cell top encapsulation machine according to various embodiments of the present invention;
fig. 3 and 4 are schematic perspective views of a cell compressing and positioning device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a press block driving mechanism, a battery cell press block, a horizontal driving mechanism and a horizontal slide block mounting structure in an embodiment of the invention;
FIG. 6 is a schematic diagram showing the cooperation of the horizontal smoothing block and the positioning member according to the embodiment of the present invention;
FIGS. 7 and 8 are perspective views of an embodiment of the invention;
FIG. 9 is a front view of an embodiment of the present invention of a suction gum encapsulation apparatus;
FIGS. 10-12 are schematic illustrations of encapsulation heads in accordance with embodiments of the present invention;
FIGS. 13-15 are perspective views of a glue cutting device in accordance with embodiments of the present invention;
Fig. 16 and 17 are partial enlarged views of A, B of fig. 15, respectively;
FIG. 18 is a perspective view of a glue cutting device (hidden part of the frame) according to an embodiment of the invention;
FIG. 19 is an enlarged view of a portion of C in FIG. 18;
FIG. 20 is a side view of a glue cutting apparatus according to an embodiment of the invention;
FIG. 21 is a top view of a tape-out cutting apparatus according to an embodiment of the present invention;
FIG. 22 is a schematic view of a gripper according to an embodiment of the present invention;
Wherein,
A frame-1;
the cell compacting and positioning device-2; a cell positioning block-21; an angular positioning block driving mechanism-22; an angle positioning block-23; a briquetting driving mechanism-24; a battery core pressing block-25; a horizontal driving mechanism-26; a horizontal slider-27; a positioning piece-28; the encapsulation avoiding groove-211; a stop-212; right angle positioning groove-231; the sharp corner avoiding groove-232; guide posts-271; positioning column-272; positioning holes-281;
a cell-3;
A glue sucking and encapsulating device-4; an encapsulated drive mechanism-41; cantilever-411; first mounting plate-412; a second mounting plate 413; encapsulation head-42; suction head-421; swing frame-422; roller-423; an elastomer-424; a fixed plate-425; a push plate-426; suction hole-4211; a push plate elastomer-4261;
A glue pulling and cutting device-5; film-51; tape-511; a reversing element-52; a guide shaft-521; rubber guiding sleeve-522; limit ring-523; a clamping mechanism-53; clamping blocks-531; a clamp block driving mechanism-532; clamping projection-5311; a cutting mechanism-54; a cutter driving mechanism-541; cutter-542; a glue pulling mechanism-55; pulling a glue clamping block-551; a glue pulling driving mechanism-552; jaw cylinder-553; clamping jaw cylinder mount-554; pulling the adhesive to clamp the bulge-5511; long hole-5541;
A manipulator-6; a gripper-61; a jaw mounting plate-611; a first jaw cylinder-612; l-shaped grapple-613; grip guide post-614; a locating plate-615; locating bar-616.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, the battery core top encapsulation machine comprises a frame 1, a battery core compressing and positioning device 2, a rubber suction encapsulation device 4 and a rubber pulling and cutting device 5. The battery cell 3 is placed on the battery cell compressing and positioning device 2.
As shown in fig. 1 and 2, the cell compressing and positioning device 2, the glue sucking and encapsulating device 4 and the glue pulling and cutting device 5 are all arranged on the frame 1.
In this embodiment, the main function of the rack 1 is to provide mounting positions for the other parts, and the rack 1 is not limited to a specific shape, as long as the components can be mounted and matched according to requirements, and corresponding functions can be realized.
As shown in fig. 3-6, the cell compacting and positioning device 2 includes a cell positioning block 21, an angular positioning block driving mechanism 22, an angular positioning block 23, a pressing block driving mechanism 24, a cell pressing block 25, a horizontal driving mechanism 26, a horizontal sliding block 27 and a positioning piece 28.
As shown in fig. 4, the cell positioning block 21 is disposed on the frame 1, the cell 3 is disposed above the cell positioning block 21, and the cell positioning block 21 can block two sides adjacent to the first corner of the cell 3.
Specifically, as shown in fig. 3, the electric core positioning block 21 is of a rectangular plate structure that is horizontally arranged, the first side edge of the electric core positioning block 21 is provided with an encapsulation avoiding groove 211, the encapsulation avoiding groove 211 comprises three openings, and the second side edge and the third side edge of the electric core positioning block 21 are respectively provided with a stop block 212. A gap is arranged between the ends of the two stop blocks 212, and the two stop blocks 212 block two adjacent side edges of the first corner of the battery cell 3.
As shown in fig. 3, the corner positioning block driving mechanism 22 is disposed on the frame 1, the movable end of the corner positioning block driving mechanism is provided with a corner positioning block 23, the corner positioning block 23 is driven by the corner positioning block driving mechanism 22 to extend out, the corner positioning block 23 can be blocked at two adjacent sides of a second corner of the battery cell 3, and the second corner and the first corner are two opposite angles of the battery cell 3.
As shown in fig. 3, the angular positioning block driving mechanism 22 adopts an air cylinder or a push rod motor, and the telescopic direction of the angular positioning block driving mechanism 22 is horizontally directed to the inside of the second corner of the electric core 3. The side of the angle positioning block 23 facing the second corner of the battery cell 3 is provided with a right angle positioning groove 231, and two side surfaces of the right angle positioning groove 231 are respectively parallel to two adjacent side surfaces of the second corner of the battery cell 3. The right angle positioning groove 231 is provided with a sharp corner avoiding groove 232 at the intersection position of two side surfaces.
As shown in fig. 3, the press block driving mechanism 24 adopts an air cylinder or a push rod motor, the movable end of the press block driving mechanism 24 is provided with a battery cell press block 25, and the section shape of the battery cell press block 25 is the same as the section shape of the battery cell positioning block 21. The press block driving mechanism 24 can drive the cell press block 25 to press against the cell 3 located on the cell positioning block 21.
As shown in fig. 3 and 5, the horizontal driving mechanism 26 is disposed on the frame 1, the horizontal driving mechanism 26 adopts a cylinder or a push rod motor, a horizontal sliding block 27 is disposed at a movable end of the horizontal driving mechanism 26, the press block driving mechanism 24 is disposed on the horizontal sliding block 27, and the horizontal driving mechanism 26 can drive the horizontal sliding block 27 and the press block driving mechanism 24 to move above the cell positioning block 21.
Specifically, as shown in fig. 5, the horizontal slider 27 is provided with a pair of horizontal guide posts 271, and the guide posts 271 are slidably mounted on the frame 1.
As shown in fig. 6, when the horizontal slider 27 moves above the cell positioning block 21, the horizontal slider 27 and the positioning member 28 can be in positioning fit through a shaft hole fit structure. Specifically, in this embodiment, the positioning member 28 is a vertically disposed flat plate structure, one side of the horizontal sliding block 27 facing the positioning member 28 is provided with a cylindrical positioning column 272, the axis of the positioning column 272 is parallel to the sliding direction of the horizontal sliding block 27, the end of the positioning column 272 is spherical, the positioning member 28 is provided with a positioning hole 281, and the positioning column 272 is inserted into the positioning hole 281 to realize positioning.
As shown in fig. 13-15, the adhesive drawing and cutting device 5 comprises a film 51, a reversing piece 52, a clamping mechanism 53, a cutting mechanism 54 and an adhesive drawing mechanism 55, wherein the adhesive drawing and cutting device 5 is positioned on one side of the position to be encapsulated of the battery cell on the battery cell compressing and positioning device 2.
The film 51 is rotatably mounted on the frame 1; in this embodiment, as shown in fig. 20 and 21, three films 51 are provided, the axes of rotation of the three films 51 are parallel and all along the horizontal direction, and the three films 51 correspond to three positions to be encapsulated on the battery cell, in this embodiment, the axes of rotation of the films 51 are parallel to the sliding direction of the horizontal slider 27.
The machine frame 1 is provided with a reversing piece 52, a clamping mechanism 53, a cutting mechanism 54 and a glue pulling mechanism 55.
The adhesive tape 511 led out from the film 51 bypasses the reversing piece 52 and enters the clamping mechanism 53, and the surface of the adhesive tape 511 contacted with the reversing piece 52 is a smooth surface; specifically, the adhesive tape 511 drawn from all the film 51 bypasses the reversing member 52 and then enters the holding mechanism 53 in parallel.
As shown in fig. 13, the reversing element 52 includes a guide shaft 521 disposed on the frame 1, a rubber guiding sleeve 522 is rotatably mounted on the guide shaft 521, a pair of limiting rings 523 are disposed on the rubber guiding sleeve 522, and the adhesive tape 511 bypasses the rubber guiding sleeve 522 and is located between the two limiting rings 523. In this embodiment, the guiding shaft 521 is parallel to the rotation axis of the film 51, the guiding sleeve 522 is cylindrical, and is rotatably mounted on the guiding shaft 521 through a bearing, and two limiting rings 523 are respectively fixed at two ends of the guiding sleeve 522, where three guiding sleeves 522 are respectively corresponding to the three film 51.
As shown in fig. 16, the clamping mechanism 53 includes a pair of openable and closable clamping blocks 531, the clamping blocks 531 are located below the guide shaft 521, the opening and closing direction of the clamping blocks 531 is along the horizontal direction and perpendicular to the guide shaft 521, and a plurality of clamping protrusions 5311 are disposed at the contact portion of the clamping blocks 531 and the adhesive surface of the adhesive tape 511.
The clamping mechanism 53 further comprises a clamping block driving mechanism 532 arranged on the frame 1; one of the clamping blocks 531 of the clamping mechanism 53 is fixedly arranged on the frame 1, the other clamping block 531 is arranged at the movable end of the clamping block driving mechanism 532, and the clamping block driving mechanism 532 can drive the clamping block 531 and the other clamping block 531 to realize opening and closing actions. In this embodiment, the clamping blocks 531 are rectangular plate structures, the clamping block driving mechanism 532 adopts an air cylinder, one clamping block 531 is fixedly arranged at the movable end of the air cylinder, the other clamping block 531 is provided with clamping protrusions 5311, the cross section of each clamping protrusion 5311 is rectangular or circular, the clamping protrusions 5311 are distributed on the clamping blocks 531 according to a rectangular array, and the clamping protrusions 5311 are made of soft materials, such as rubber, silica gel and the like. The holding projections 5311 are provided in three groups corresponding to the three adhesive tapes, respectively.
Further, a blowing hole, not shown in the drawing, is provided on the holding block 531 contacting the adhesive surface of the adhesive tape 511, and the blowing hole is connected to a blowing device provided outside, and can blow the adhesive tape 511 to separate the adhesive tape 511 from the holding block 531. A plurality of air blowing holes can be arranged, and the air blowing holes are distributed on the clamping blocks 531 in a rectangular array mode.
As shown in fig. 17, the adhesive pulling mechanism 55 includes a pair of openable adhesive pulling clamping blocks 551, and a plurality of adhesive pulling clamping protrusions 5511 are disposed at the contact positions of the adhesive pulling clamping blocks 551 and the adhesive surface of the adhesive tape 511; the cross section of the glue pulling clamping protrusion 5511 is rectangular or circular, the glue pulling clamping protrusions 5511 are distributed on the corresponding glue pulling clamping blocks 551 according to a rectangular array mode, and the glue pulling clamping protrusions 5511 can be made of soft materials, such as silica gel, rubber and the like.
As shown in fig. 18, the glue pulling mechanism 55 includes a glue pulling driving mechanism 552 disposed on the frame 1, a clamping jaw cylinder 553 is disposed at a movable end of the glue pulling driving mechanism 552, two glue pulling clamping blocks 551 are disposed at two movable ends of the clamping jaw cylinder 553, the clamping jaw cylinder 553 can drive the two glue pulling clamping blocks 551 to clamp or loosen, and the glue pulling driving mechanism 552 can drive the clamping jaw cylinder 553 to move.
Specifically, as shown in fig. 18, a jaw cylinder fixing frame 554 is disposed at a movable end of the glue pulling driving mechanism 552, a long hole 5541 is disposed on the jaw cylinder fixing frame 554, and the jaw cylinder 553 is mounted in the long hole 5541 through a screw. In this embodiment, three groups of clamping jaw cylinders 553 are provided and correspond to three adhesive tapes respectively.
In this embodiment, as shown in fig. 18 and 19, the glue pulling driving mechanism 552 adopts a module, the clamping jaw air cylinder 553 is disposed on a sliding table of the module, specifically, the clamping jaw air cylinder 553 is mounted on the sliding table through a clamping jaw air cylinder fixing frame 554, and the sliding direction of the sliding table is along the vertical direction.
The cutting mechanism 54 is capable of cutting off the adhesive tape 511 sandwiched between the sandwiching mechanism 53 and the adhesive pulling mechanism 55.
Specifically, as shown in fig. 18, the cutting mechanism 54 includes a cutter driving mechanism 541 disposed on the frame 1, a cutter 542 is disposed on the cutter driving mechanism 541, and a cutting edge of the cutter 542 faces the adhesive surface of the adhesive tape 511. The blade of the cutter 542 is provided with serrations.
In this embodiment, as shown in fig. 16, the cutter driving mechanism 541 adopts an air cylinder, the expansion and contraction direction of the air cylinder is parallel to the opening and closing direction of the clamping mechanism 53, a C-shaped cutter holder is disposed at the movable end of the air cylinder, the cutter 542 is mounted on the C-shaped cutter holder, the cutter 542 is parallel to the guide shaft 521, the blade edge of the cutter 542 faces the inner side of the C-shaped cutter holder, and when the cutter is not cut off, the pulled adhesive tape is located in the opening of the C-shaped cutter holder, and the inner space of the C-shaped cutter holder can accommodate the adhesive tape pulling clamping block 551 to pass through to realize smooth adhesive tape pulling.
The adhesive suction and encapsulation device 4 is located between the cutting mechanism 54 and the adhesive pulling mechanism 55, and the adhesive suction and encapsulation device 4 can suck and encapsulate the adhesive tape 511 on the electric core 3 on the electric core compressing and positioning device 2.
Specifically, as shown in fig. 7 and 8, the glue sucking and encapsulating device 4 encapsulates the driving mechanism 41 and the encapsulating head 42, and the glue sucking and encapsulating device 4 is located at one side of the position to be encapsulated of the electric core on the electric core compressing and positioning device 2.
The encapsulation driving mechanism 41 is arranged on the frame 1, and the movable end of the encapsulation driving mechanism 41 is provided with an encapsulation head 42.
Specifically, as shown in fig. 7 and 8, the encapsulation driving mechanism 41 adopts a module, and the encapsulation head 42 is disposed on a sliding table of the module, so that the sliding table of the module can realize horizontal sliding. Alternatively, the encapsulation driving mechanism 41 adopts a cylinder or a push rod motor, and the encapsulation head 42 is arranged on a telescopic rod of the cylinder or the push rod motor. The rubber coating head 42 guides the motion thereof by a guiding mechanism arranged on the frame 1, the guiding direction of the guiding mechanism is parallel to the driving direction of the rubber coating driving mechanism 41, and the guiding mechanism can be realized by adopting a guide post and guide sleeve structure or a sliding block and guide rail matching structure.
As shown in fig. 7 and 8, the encapsulation head 42 includes an upper suction head 421 and a lower suction head 421, the suction head 421 faces the light surface of the adhesive tape 511, and the suction head 421 and the cell compressing and positioning device 2 are respectively located at two sides of the adhesive tape; a pair of swing frames 422 are hinged between the two suction heads 421, the hinge shafts of the two swing frames 422 are parallel and are perpendicular to the moving direction of the movable end of the encapsulation driving mechanism 41, a roller 423 is arranged on each swing frame 422, and the axis of the roller 423 is parallel to the hinge shaft of the corresponding swing frame 422; in this embodiment, the axis of the roller 423 is in the horizontal direction. The circumferential surface of the roller 423 is made of soft materials, and the middle of the roller 423 is thick and the two ends are thin. The length of the roller 423 is greater than the width of the adhesive tape to be sucked.
As shown in fig. 7 and 8, the cross section of the suction head 421 is rectangular, a plurality of suction holes 4211 are distributed on the end face array of the suction head 421, and the suction head 421 is connected with a peripheral suction device, so that the suction holes 4211 are in a suction state. The distribution width of the suction holes 4211 is not smaller than the width of the adhesive tape to be sucked.
The roller 423 is characterized by further comprising an elastic body 424 connected with the swinging frames 422, the elastic body 424 can enable the two swinging frames 422 to have swinging trend close to each other, and the edge of the roller 423 is flush with the end face of the suction head 421 in a natural state. Specifically, in this embodiment, the end surfaces of the upper and lower suction heads 421 of each rubber coating head 42 are located in the same vertical plane, when the suction heads 421 suck the adhesive tape, the adhesive tape is in a vertical state, and at this time, the edges of the suction heads 421 and the rollers 423 are in contact with the adhesive tape, i.e. the state shown in fig. 9.
As shown in fig. 10, the elastic body 424 adopts a tension spring, and two ends of the tension spring are respectively connected to the two swing frames 422; alternatively, as shown in fig. 11, the elastic body 424 adopts a compression spring, and the compression spring is disposed between the swing frame 422 and the suction head 421.
As shown in fig. 12, the encapsulation head 42 further includes a fixing plate 425, two suction heads 421 are respectively disposed at two ends of the fixing plate 425, the swing frame 422 has an L shape, a first end of the swing frame 422 is bent to the suction head 421 at the outer side thereof and hinged to the suction head 421, and a roller 423 is disposed at a second end of the swing frame 422; when the swing frame 422 swings inward, the bent corner of the swing frame 422 can be pressed against the fixed plate 425.
As shown in fig. 12, the fixed plate 425 is slidably provided with a push plate 426, the sliding direction of the push plate 426 is parallel to the moving direction of the encapsulation head 42, the push plate 426 is located between the two swing frames 422, and the side shape of the push plate 426 is matched with the side shape of the cell to be encapsulated; a push plate elastic body 4261 is disposed between the push plate 426 and the fixed plate 425, and the push plate elastic body 4261 can enable the push plate 426 to have a tendency to slide towards the electric core.
Specifically, as shown in fig. 12, in this embodiment, a cylinder is disposed on one side of the push plate 426, the cylinder is inserted into the fixing plate 425, the end of the cylinder is provided with a flange to prevent the cylinder from slipping under the action of the push plate elastic body 4261, the cylinder is sleeved with the push plate elastic body 4261, the push plate elastic body 4261 adopts a spring, and the spring is located between the push plate 426 and the fixing plate 425.
As shown in fig. 7, at least two encapsulation heads 42 are provided, all the encapsulation heads 42 are distributed along the direction parallel to the axis of the roller 423, and all the suction heads 421 are flush with each other, in this embodiment, three encapsulation heads 42 are provided, corresponding to three adhesive tapes respectively.
As shown in fig. 7 and 8, in this embodiment, a cantilever 411 is disposed on the sliding table of the module, a first mounting plate 412 is disposed at an end of the cantilever 411, a first long hole with a length direction along an up-down direction is disposed on the first mounting plate 412, a second mounting plate 413 is mounted in the first long hole by a screw, a second long hole with a length direction parallel to an axis direction of the roller 423 is disposed on the second mounting plate 413, and each fixing plate 425 is mounted in the second long hole by a screw.
Further, as shown in fig. 1 and 2, the machine frame 1 is further provided with a manipulator 6, the movable end of the manipulator 6 is provided with a gripper 61, as shown in fig. 22, the gripper 61 includes a gripper mounting plate 611 mounted at the movable end of the manipulator 6, a first gripper cylinder 612 is disposed on the gripper mounting plate 611, the opening and closing direction of the first gripper cylinder 612 is perpendicular to the movable end of the manipulator 6, the first gripper cylinder 612 may adopt an SMC type wide extravagant to move a finger cylinder air gripper in the prior art, two movable ends of the first gripper cylinder 612 are respectively provided with an L-shaped gripper 613, the two L-shaped gripper hooks 613 are oppositely disposed, sharp corners are disposed at the ends of the L-shaped gripper hooks 613 so as to scoop up the electric core, the gripper mounting plate 611 is slidably provided with a positioning plate 615 through a pair of gripper guide posts 614, the gripper guide posts 614 are parallel to the movable end of the manipulator 6, and a pair of positioning bars 616 are disposed at two sides of the positioning plate 615 respectively.
Working principle:
As shown in fig. 1, in the embodiment of the invention, when the battery core top encapsulation machine is actually applied, the battery core compressing and positioning device 2 positions the battery core 3 to be encapsulated so as to facilitate the subsequent encapsulation operation, the adhesive tape 511 led out from the film 51 bypasses the reversing piece 52 and enters the clamping mechanism 53, the adhesive tape 511 is clamped in the clamping block 531 of the clamping mechanism 53, the end of the adhesive tape 511 extends out from the clamping mechanism 53, the adhesive pulling mechanism 55 moves to the end of the adhesive tape 511, the adhesive pulling clamping block 551 clamps the end of the adhesive tape 511, then the clamping block 531 is loosened, and as the clamping block 531 is provided with a plurality of clamping protrusions 5311 at the contact position of the clamping block 531 with the adhesive surface of the adhesive tape 511, the adhesive surface is easy to fall off compared with the adhesive surface bonding on a plane, then the adhesive pulling mechanism 55 pulls the adhesive tape 511 to realize the adhesive pulling operation, after the preset length is pulled out, the adhesive tape 511 is clamped by the clamping mechanism 53, the adhesive suction device 4 sucks the adhesive tape 511, then the adhesive tape 511 between the clamping mechanism 53 and the adhesive pulling mechanism 55 is cut off, and then the adhesive tape 551 is clamped by the clamping block 551, and the performance of the adhesive tape is easy to fall off compared with the adhesive tape 511 when the adhesive tape is cut off. After the pulling adhesive clamping block 551 is loosened, the adhesive suction and encapsulation device 4 wraps the adhesive tape 511 on the battery core 3 on the battery core compressing and positioning device 2, and then the adhesive suction and encapsulation device 4 is reset.
The battery cell 3 is arranged on the battery cell positioning block 21, the angle positioning block 23 is driven by the angle positioning block driving mechanism 22 to extend out, the accurate positioning of the battery cell 3 can be realized from two opposite angles by matching the battery cell positioning block 21 with the angle positioning block 23, the positioning precision is high, and then the battery cell pressing block 25 is driven by the pressing block driving mechanism 24 to be pressed on the battery cell 3 positioned on the battery cell positioning block 21, so that the battery cell 3 is fixed, so that the subsequent encapsulation operation is convenient, and compared with the prior art, the battery cell positioning is convenient when the battery cell encapsulation is carried out, and the positioning precision is high.
Before placing the electric core 3, the horizontal sliding block 27 and the pressing block driving mechanism 24 are located on one side of the electric core positioning block 21, after the electric core 3 is placed, the horizontal driving mechanism 26 can drive the horizontal sliding block 27 and the pressing block driving mechanism 24 to move to the upper portion of the electric core positioning block 21, so that the electric core 3 is pressed, a large space can be vacated at the electric core positioning block 21, and the placing requirement of the electric core 3 is met. When the battery core pressing block 25 is pressed on the battery core 3, a certain acting force is applied to the horizontal sliding block 27, and the horizontal sliding block 27 can be prevented from being stressed and deformed through the matching and positioning of the horizontal sliding block 27 and the positioning piece 28, so that the strength of the whole device is improved.
The film 51 sets up a plurality of, can once realize that many sticky tapes 511 draw the gluey operation of cutting, and efficiency is higher and can satisfy actual demand. When the adhesive tape 511 needs to be loosened, after the clamping blocks are separated, air is blown to the adhesive surface of the adhesive tape 511 through the air blowing holes, so that the adhesive tape 511 is convenient to fall off. When the adhesive tape 511 moves to the end parts of the two suction heads 421, the two suction heads 421 absorb the adhesive tape 511, the adhesive tape 511 is sheared into sections, the rubber coating driving mechanism 41 drives the rubber coating head 42 to move towards the battery core 3, and because the edge of the roller 423 is flush with the end surface of the suction heads 421 in a natural state, when the adhesive tape 511 is contacted with the battery core, the roller 423 can timely press the adhesive tape 511 on the surface of the battery core 3 to prevent the adhesive tape 511 from loosening or falling off, after the adhesive tape 511 is contacted with the edge of the battery core 3, the two swing frames are opened along with the movement of the rubber coating head 42, the two roller 423 is clamped at two sides of the battery core 3, and then the adhesive tape 511 is paved on the battery core to realize rubber coating.
Under the blocking of the fixing plate 425, the swinging frame 422 can swing to a certain position only, so that a certain gap is reserved between the two rollers 423, and the two sides of the battery cell 3 can be clamped smoothly during encapsulation. During encapsulation, the pushing plate 426 can be pressed on the side surface of the battery cell 3, so that the adhesive tape 511 is tightly pressed, and encapsulation quality is ensured. Because the circumference of the roller 423 is made of soft materials, when the roller 423 is pressed on the surface of the battery cell 3, the thicker part in the middle of the roller 423 is firstly contacted with the adhesive tape 511 and the battery cell 3 and deforms, and then the whole roller 423 is gradually contacted with the adhesive tape 511 and the battery cell, so that the adhesive tape 511 is gradually pressed from the middle to the two sides, the impurity such as air doping in the middle of the adhesive tape 511 can be avoided, and the encapsulation effect is ensured.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The battery core top encapsulation machine comprises a battery core compaction positioning device (2), a rubber pulling and cutting device (5) and a rubber absorbing and encapsulating device (4) which are arranged on a frame (1); the glue pulling and cutting device (5) comprises a film (51), a reversing piece (52), a clamping mechanism (53), a cutting mechanism (54) and a glue pulling mechanism (55); the adhesive tape (511) led out from the film (51) bypasses the reversing piece (52) and enters the clamping mechanism (53), and the cutting mechanism (54) can cut off the adhesive tape (511) clamped between the clamping mechanism (53) and the adhesive pulling mechanism (55); the method is characterized in that:
The battery cell (3) to be encapsulated is arranged on the battery cell compressing and positioning device (2); the surface of the adhesive tape (511) contacted with the reversing piece (52) is a smooth surface;
the clamping mechanism (53) comprises a pair of clamping blocks (531) which can be opened and closed, and a plurality of clamping protrusions (5311) are arranged at the contact part of the clamping blocks (531) and the adhesive surface of the adhesive tape (511);
The glue pulling mechanism (55) comprises a pair of glue pulling clamping blocks (551) which can be opened and closed, and a plurality of glue pulling clamping protrusions (5511) are arranged at the contact positions of the glue pulling clamping blocks (551) and the glue surfaces of the adhesive tapes (511);
The adhesive suction and encapsulation device (4) is positioned between the cutting mechanism (54) and the adhesive pulling mechanism (55), and the adhesive suction and encapsulation device (4) can suck the adhesive tape (511) and encapsulate the adhesive tape on the battery core (3) on the battery core compressing and positioning device (2); the rubber suction and encapsulation device (4) comprises an encapsulation driving mechanism (41) arranged on the frame (1); the movable end of the encapsulation driving mechanism (41) is provided with an encapsulation head (42), the encapsulation head (42) comprises two suction heads (421), and the suction heads (421) face the smooth surface of the adhesive tape (511); a pair of swing frames (422) are hinged between the two suction heads (421), the hinge shafts of the two swing frames (422) are parallel and are perpendicular to the moving direction of the movable end of the rubber coating driving mechanism (41), a roller wheel (423) is arranged on each swing frame (422), and the axis of the roller wheel (423) is parallel to the hinge shaft of the corresponding swing frame (422); the device further comprises an elastic body (424) connected with the swing frames (422), the elastic body (424) can enable the two swing frames (422) to have a swing trend close to each other, and in a natural state, the edge of the roller (423) is level to the end face of the suction head (421); the circumference of the roller (423) is made of soft materials, and the middle of the roller (423) is thick and the two ends of the roller are thin.
2. The cell top encapsulation machine of claim 1, wherein: the battery cell compressing and positioning device (2) comprises a battery cell positioning block (21) arranged on the frame (1), wherein the battery cell positioning block (21) can block two adjacent side edges of a first corner of the battery cell (3);
The battery cell structure comprises a battery cell (3), and is characterized by further comprising an angle positioning block driving mechanism (22) arranged on the frame (1), wherein an angle positioning block (23) is arranged at the movable end of the angle positioning block driving mechanism (22), the angle positioning block driving mechanism (22) drives the angle positioning block (23) to extend out, the angle positioning block (23) can be blocked at two adjacent side edges of a second corner of the battery cell (3), and the second corner and the first corner are two opposite angles of the battery cell (3);
The battery pack positioning device further comprises a press block driving mechanism (24), wherein a battery cell press block (25) is arranged at the movable end of the press block driving mechanism (24), and the press block driving mechanism (24) can drive the battery cell press block (25) to press a battery cell (3) positioned on the battery cell positioning block (21).
3. The cell top encapsulation machine of claim 2, wherein: the battery cell positioning block is characterized in that a horizontal driving mechanism (26) is arranged on the frame (1), a horizontal sliding block (27) is arranged at the movable end of the horizontal driving mechanism (26), a pressing block driving mechanism (24) is arranged on the horizontal sliding block (27), and the horizontal driving mechanism (26) can drive the horizontal sliding block (27) and the pressing block driving mechanism (24) to move to the upper portion of the battery cell positioning block (21).
4. The cell top encapsulation machine of claim 3, wherein: the battery cell positioning device is characterized by further comprising a positioning piece (28) arranged on the frame (1), wherein when the horizontal sliding block (27) moves to the upper side of the battery cell positioning block (21), the horizontal sliding block (27) can be in positioning fit with the positioning piece (28) through a shaft hole matching structure.
5. The cell top encapsulation machine of claim 1, wherein: at least two films (51) are arranged, and the adhesive tapes (511) led out from all films (51) bypass the reversing piece (52) and then enter the clamping mechanism (53) in parallel.
6. The cell top encapsulation machine of claim 1, wherein: the clamping block (531) contacted with the adhesive surface of the adhesive tape (511) is provided with a blowing hole, the blowing hole is connected with an external blowing device, and the blowing hole can blow the adhesive tape (511) to enable the adhesive tape (511) to be separated from the clamping block (531).
7. The cell top encapsulation machine of claim 1, wherein: the rubber coating head (42) further comprises a fixed plate (425), two suction heads (421) are respectively arranged at two ends of the fixed plate (425), the swing frame (422) is L-shaped, the first end of the swing frame (422) is bent to the suction head (421) at the outer side of the swing frame and hinged to the suction head (421), and the roller (423) is arranged at the second end of the swing frame (422);
When the swing frame (422) swings inward, the bent corner of the swing frame (422) can be pressed against the fixed plate (425).
8. The cell top encapsulation machine of claim 7, wherein: the fixed plate (425) is provided with a push plate (426) in a sliding manner, the sliding direction of the push plate (426) is parallel to the moving direction of the encapsulation head (42), the push plate (426) is positioned between the two swing frames (422), and the side shape of the push plate (426) is matched with the side shape of the battery cell (3) to be encapsulated;
A push plate elastomer (4261) is arranged between the push plate (426) and the fixed plate (425), and the push plate elastomer (4261) can enable the push plate (426) to have a tendency to slide towards the battery cell.
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| CN202271648U (en) * | 2011-10-27 | 2012-06-13 | 上海金叶包装材料有限公司 | Broad coating and composite roller |
| CN205050939U (en) * | 2015-09-22 | 2016-02-24 | 深圳市嘉智诚机电科技有限公司 | Automatic rubber coating machine of battery electricity core |
| WO2018076334A1 (en) * | 2016-10-31 | 2018-05-03 | 东莞新能源科技有限公司 | Cell edge encapsulation apparatus |
| CN110212252B (en) * | 2019-07-02 | 2024-06-21 | 博众精工科技股份有限公司 | Rubber coating machine |
| CN110371757B (en) * | 2019-07-25 | 2020-09-08 | 苏州可川电子科技股份有限公司 | Double-sided gummed paper pasting equipment for lithium battery pole piece |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682456A (en) * | 2013-12-06 | 2014-03-26 | 珠海市广浩捷精密机械有限公司 | High-speed automatic adhesive coating machine for lithium ion battery core |
| CN112072056A (en) * | 2020-08-04 | 2020-12-11 | 广东鸿宝科技有限公司 | Full-automatic L-shaped adhesive tape pasting device for tabs |
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