CN112886044A - Automatic packaging equipment for aluminum foil soft package battery - Google Patents
Automatic packaging equipment for aluminum foil soft package battery Download PDFInfo
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- CN112886044A CN112886044A CN202110033798.XA CN202110033798A CN112886044A CN 112886044 A CN112886044 A CN 112886044A CN 202110033798 A CN202110033798 A CN 202110033798A CN 112886044 A CN112886044 A CN 112886044A
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- Prior art keywords
- aluminum foil
- packaging
- folding
- plate
- jig
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 106
- 239000011888 foil Substances 0.000 title claims abstract description 106
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 105
- 238000007789 sealing Methods 0.000 claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 239000000463 material Substances 0.000 claims abstract description 43
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 230000015572 biosynthetic process Effects 0.000 claims description 59
- 238000003825 pressing Methods 0.000 claims description 23
- 239000003792 electrolyte Substances 0.000 claims description 20
- 238000005520 cutting process Methods 0.000 claims description 19
- 238000005538 encapsulation Methods 0.000 claims description 12
- 238000007731 hot pressing Methods 0.000 claims description 11
- 238000005086 pumping Methods 0.000 claims description 10
- 239000005030 aluminium foil Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 3
- 238000009517 secondary packaging Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000011265 semifinished product Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0481—Compression means other than compression means for stacks of electrodes and separators
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- 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 belongs to the technical field of automatic packaging of aluminum foil soft package batteries, and discloses automatic packaging equipment of an aluminum foil soft package battery, which comprises an X-axis packaging line and a Y-axis packaging line which are vertically arranged: an aluminum foil feeding device and a battery cell feeding device are symmetrically arranged on the X-axis packaging line, and a folding packaging mechanism is arranged between the aluminum foil feeding device and the battery cell feeding device; a forming jig and a packaging jig are sequentially arranged on the Y-axis packaging line along the discharging direction, and material conveying manipulators are arranged on two sides of the forming jig; the battery cell feeding device is used for feeding a battery cell to the folding packaging mechanism, and the folding packaging mechanism comprises a folding assembly, a heat sealing assembly and a filling assembly; in conclusion, the automatic packaging method disclosed by the invention realizes the automatic packaging of the carbon-coated aluminum foil in the production process of the soft package battery in a full-automatic manner, so that the automatic packaging efficiency of the carbon-coated aluminum foil is greatly improved.
Description
Technical Field
The invention belongs to the technical field of automatic packaging of aluminum foil soft package batteries, and particularly relates to automatic packaging equipment of an aluminum foil soft package battery.
Background
The soft package battery is obtained by coating a polymer shell outside the liquid lithium ion battery, wherein the carbon-coated aluminum foil is an important material for packaging the soft package battery and plays an important role in the quality of the soft package battery; specifically, when the battery is packaged by using the carbon-coated aluminum foil, the method comprises the steps of folding an aluminum foil sheet into a bag, sealing the top and the side of the aluminum foil bag, filling electrolyte, pre-sealing (first sealing) the aluminum foil bag, forming the battery, vacuumizing the aluminum foil bag, sealing the aluminum foil bag twice and the like.
In the process of filling the electrolyte, the pre-sealing position of the aluminum foil bag needs to be manually opened to fill the electrolyte, so that the packaging efficiency of the aluminum foil soft package battery is greatly influenced, and the electrolyte is easy to leak due to the large opening of the pre-sealing position; when the aluminum foil bag is pre-sealed after filling, the aluminum foil bag filled with the electrolyte needs to be manually placed into a pre-sealing machine, the problems of low efficiency and easy leakage of the electrolyte exist, and the electrolyte is continuously contacted with air in the process to cause decomposition of the electrolyte, so that the quality of the packaged battery is greatly influenced.
Disclosure of Invention
In view of the above, in order to solve the problems in the background art, the present invention provides an automatic packaging apparatus for a pouch aluminum foil battery.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automatic encapsulation equipment of aluminium foil laminate polymer battery, includes perpendicular X axle baling line and the Y axle baling line that sets up:
an aluminum foil feeding device and a battery cell feeding device are symmetrically arranged on the X-axis packaging line, and a folding packaging mechanism is arranged between the aluminum foil feeding device and the battery cell feeding device; the battery cell feeding device is used for feeding a battery cell to the folding packaging mechanism, and the folding packaging mechanism comprises a folding assembly, a heat sealing assembly and a filling assembly;
the folding assembly comprises two symmetrically arranged folding plates, and the two folding plates can rotate in opposite directions by 90 degrees and are used for folding the aluminum foil into a bag and wrapping the battery core; each folding plate comprises a central plate, a vertical side plate and a linear side plate; a vertical heat-sealing pressing plate is arranged between the vertical side plate and the central plate so as to realize the side sealing and the top sealing of the bag-forming aluminum foil; a linear heat-sealing pressing plate is arranged between the linear side plate and the central plate to realize the linear sealing of the bag-forming aluminum foil, and the linear heat-sealing pressing plate comprises a primary pressing plate and a secondary pressing plate;
the heat-sealing assembly comprises mounting plates symmetrically arranged on two sides of the folding plate, and a vertical hot-pressing head and a linear hot-pressing head which are arranged on each mounting plate, wherein each linear hot-pressing head comprises a primary pressing head and a secondary pressing head; each pressure head is connected with an electric push rod fixed on the mounting plate, and the electric push rods are used for driving the pressure heads to compress the corresponding pressure plates and driving the vertical heat-seal pressure plates and the primary pressure plates before filling and the secondary pressure plates after filling in sequence;
the filling assembly is used for filling electrolyte into the aluminum foil folded into a bag after the aluminum foil is sealed at the side;
a forming jig and a packaging jig are sequentially arranged on the Y-axis packaging line along the discharging direction, material conveying manipulators are arranged on two sides of the forming jig, and the two material conveying manipulators are a first manipulator and a second manipulator respectively; the first manipulator is arranged between the folding packaging mechanism and the formation jig and is used for conveying the packages on the folding packaging mechanism into the formation jig, and the formation jig is used for standing and formation of the packages; the second manipulator is arranged between the formation jig and the packaging jig and is used for conveying the formation packages in the formation jig to the packaging jig, and the packaging jig is used for secondary packaging and discharging of the formation packages.
Preferably, a hollow shaft penetrates through one end, close to each other, of each of the two folding plates, the distance between the two hollow shafts is equal to the thickness of the battery core, and two ends of each hollow shaft are respectively connected with a driving motor and a negative pressure generator; the driving motor is used for driving the folding plate to rotate through the hollow shaft, and the negative pressure generator is used for driving the folding plate to form a negative suction plate through the hollow shaft.
Preferably, one side of each pressing plate is connected with at least one T-shaped contact element, a spring is connected between each T-shaped contact element and the folding plate, and the T-shaped contact elements are in contact with the pressing head and drive the corresponding pressing plates to compress and reset through the matching of the pressing head and the spring.
Preferably, the filling assembly comprises a first Y-axis guide rail, and a lifting column and a filling column which can reciprocate on the first Y-axis guide rail; the top of the lifting upright post is welded with a positioning seat, one side of the positioning seat is welded with two limiting rods, the middle of the positioning seat is penetrated and provided with a positioning through hole, and the two limiting rods face the folding plate and are symmetrically distributed on two sides of the positioning through hole; and a filling head is installed on one side of the filling upright post, and the filling head can pass through the positioning through hole after the lifting upright post is lifted.
Preferably, the aluminum foil feeding device comprises a discharging roller, a guiding roller, a lifting cutter and a feeding conveyor belt; the discharging roller is used for placing the aluminum foil coil and realizing discharging of the aluminum foil; the material guide roller is used for guiding the aluminum foil onto the feeding conveying belt; the lifting cutter is used for cutting the aluminum foil on the feeding conveyor belt; and the feeding conveyor belt is used for feeding and conveying the cut aluminum foil to the folding and packaging mechanism.
Preferably, a reciprocating negative pressure manipulator is arranged between the aluminum foil feeding device and the battery cell feeding device, and the negative pressure manipulator is used for conveying the cut aluminum foil and the battery cell to the folding plate in an attached manner.
Preferably, the material conveying manipulator comprises two second Y-axis guide rails which are symmetrically arranged and two mounting vertical frames which can reciprocate along the second Y-axis guide rails, a mounting transverse frame is welded between the two mounting vertical frames, and a rotatable material clamping seat is mounted on the mounting transverse frame; two clamping plates capable of moving in opposite directions are symmetrically arranged on the clamping seat; in the first manipulator, the material clamping seat performs 180-degree reciprocating rotation around the X-axis mounting transverse frame; in the second manipulator, the material clamping seat rotates around the Y-axis central line vertical to the installation transverse frame in a reciprocating mode by 90 degrees.
Preferably, the formation jig comprises an X-axis guide rail and a formation box capable of reciprocating along the X-axis guide rail, and a plurality of material placing holes matched with the material conveying manipulator are formed in the formation box in a penetrating manner.
Preferably, the packaging jig comprises a vacuum-pumping mechanism, a heat-sealing mechanism and an edge cutting mechanism; wherein:
the vacuum pumping mechanism comprises a liftable pricking pin part and a vacuum pumping part, the pricking pin part is used for pricking an air bag formed after the battery core is coated by the aluminum foil, the air bag is positioned on one side of the battery core, and the vacuum pumping part is used for pumping out gas in the air bag;
the heat sealing mechanism comprises a liftable packaging head used for sealing two aluminum foils between the battery core and the air bag;
the edge cutting mechanism comprises a liftable cutter which is arranged between the pricking pin part and the packaging head and is used for cutting off the air bag.
Preferably, the packaging jig further comprises a gantry mounting frame and a discharge conveyor belt penetrating through the gantry mounting frame; the vacuumizing mechanism, the edge cutting mechanism and the heat sealing mechanism are sequentially arranged on the gantry mounting frame along the Y-axis direction; the discharging conveyor belt is arranged along the Y-axis direction, and the starting end of the discharging conveyor belt corresponds to the second manipulator.
Compared with the prior art, the invention has the following beneficial effects:
(1) the automatic packaging equipment for the aluminum foil soft-package battery integrates the operations of feeding, turning and folding forming, side sealing, top sealing, electrolyte filling, first sealing, formation, vacuumizing, second sealing, edge cutting and the like, fully automatically realizes aluminum foil packaging in the production process of the soft-package battery, and greatly improves the packaging efficiency.
(2) Aiming at the turning and folding forming, the folding mechanism is formed by driving two negative suction type folding plates which are symmetrical and can rotate for 90 degrees, and has simple structure and stable turning and folding.
(3) To above-mentioned side seal, top seal, electrolyte filling and one seal the operation such as, correspond be equipped with heat-seal subassembly and the filling subassembly of folded sheet looks adaptation, wherein: the heat-sealing assembly performs partial sealing while realizing side sealing and top sealing, so that the aluminum foil forms a packaging bag structure and a filling position is reserved; the filling assembly is provided with a limiting rod extending into the filling position so as to realize the opening of the aluminum foil packaging bag, thereby facilitating the filling and avoiding the leakage of the electrolyte; in addition, after the filling is finished, the sealing of the aluminum foil sealing bag can be quickly finished through the packaging and filling position, so that the contact time of electrolyte and air is greatly reduced, and the quality of the battery is improved.
(4) Aiming at the operations of formation, vacuum pumping, secondary sealing, edge cutting and the like, the material conveying manipulator is correspondingly arranged so as to effectively realize the positioning and conveying of the aluminum foil sealing bag and the battery core after the primary sealing.
(5) To above-mentioned biography material manipulator, including rotatable clamp material seat and splint, it is specific: when the formation conveying is realized, the folding packaging mechanism rotates around the X axis for 180 degrees in a reciprocating way, so that the matching between the folding packaging mechanism and the formation jig can be reasonably realized; when realizing two and sealing the conveying, 90 reciprocating rotation around Y axle to this can be reasonable realization become the cooperation between tool and the encapsulation tool.
(6) To above-mentioned formation tool, including the formation case along X axle guide rail reciprocating motion, and become the incasement and be equipped with a plurality of thing holes of putting, can effectively realize the standing formation of a back battery from this to be convenient for realize in the formation tool arbitrary and put the correspondence of thing hole and biography material manipulator.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the folding assembly and filling assembly of the present invention;
FIG. 3 is a schematic view of the folding and filling of the present invention with the folding assembly engaged with the filling assembly;
FIG. 4 is an enlarged view taken at A in FIG. 2;
FIG. 5 is a schematic view of a folding plate of the folding assembly of the present invention;
FIG. 6 is a schematic view of the construction of the heat seal assembly of the present invention;
FIG. 7 is a schematic structural diagram of an aluminum foil feeding device according to the present invention;
FIG. 8 is a schematic structural view of a material conveying robot in the present invention;
FIG. 9 is a schematic structural view of a formation jig according to the present invention;
in the figure:
an aluminum foil feeding device-1; a discharge roller-11; a material guide roller-12; a liftable cutter-13; a feed conveyor-14;
a battery cell feeding device-2;
a folding packaging mechanism-3; a folding assembly-31; a folding plate-311; a center plate-312; vertical sideboard-313; a slotted sideboard-314; a vertical heat seal platen-315; a linear heat-seal press plate-316; a T-shaped contact-317; a spring-318; a heat seal assembly-32; a mounting plate-321; a vertical hot-pressing head-322; a straight hot-pressing head-323; an electric push rod-324; a filling assembly-33; a first Y-axis rail-331; a lifting column-332; filling a column-333; a positioning seat-334; positioning through holes-335; a stop lever-336; a filling head-337;
forming a jig-4; an X-axis guide rail-41; formation box-42; an object placing hole-43;
packaging the jig-5; a gantry mounting frame-51; an exit conveyor-52;
a material conveying manipulator-6; a first manipulator-61; a second manipulator-62; a second Y-axis guide-63; mounting a vertical frame-64; mounting a transverse frame-65; a material clamping seat-66; a splint-67.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 9, the present invention provides an automatic packaging apparatus for aluminum foil pouch batteries, which specifically includes an X-axis packaging line and a Y-axis packaging line, wherein:
an aluminum foil feeding device 1 and a battery cell feeding device 2 are symmetrically arranged on the X-axis packaging line, and a folding packaging mechanism 3 is arranged between the aluminum foil feeding device 1 and the battery cell feeding device 2;
on Y axle packaging line, be equipped with in proper order along the ejection of compact direction and become tool 4 and encapsulation tool 5, and become the both sides of tool 4 and all be equipped with biography material manipulator 6.
Specifically, the aluminum foil feeding device 1 and the battery cell feeding device 2 according to the present invention will be explained in detail with reference to fig. 7 as follows:
as described above, the aluminum foil feeding device 1 is used for feeding an aluminum foil to the folding and packaging mechanism 3, and as can be seen from fig. 6, the aluminum foil feeding device 1 includes the discharging roller 11, the material guiding roller 12, the liftable cutter 13, and the feeding conveyor belt 14. As can be seen from fig. 1 and 7, the discharging roller 11 is used for placing an aluminum foil roll and discharging the aluminum foil; a guide roller 12 for guiding the aluminum foil onto a feed conveyor 14; the lifting cutter 13 is used for cutting aluminum foils on the feeding conveyor belt 14; the feeding conveyor belt 14 is disposed along the X-axis direction and is used for feeding and conveying the cut aluminum foil to the folding and packaging mechanism 3 along the X-axis direction.
Further, as can be seen from fig. 1, the battery cell feeding device 2 is a conveyor belt for feeding the battery cells to the folding and packaging mechanism 3.
Further, as can be seen from fig. 1, a reciprocating negative pressure manipulator is provided between the aluminum foil feeding device 1 and the battery cell feeding device 2, and the negative pressure manipulator is used for attaching and conveying the cut aluminum foil and the battery cell to the folding and packaging mechanism 3 (specifically, the folding plate 311). Specifically, in fig. 1, the negative pressure manipulator is installed on the installation support that stretches across in folding packaging mechanism 3 both sides to form reciprocating motion along the X axis direction based on the installation support, and the negative pressure manipulator can carry out the lift along the Z axis, so that the negative pressure manipulator is got material and is put the material, and the material is got and is put the material mode about the negative pressure manipulator and adopts negative pressure to adsorb.
Specifically, the folding packaging mechanism 3 of the present invention is explained in detail as follows with reference to fig. 1 to 6:
the folding and packaging mechanism 3 comprises a folding assembly 31, a heat sealing assembly 32 and a filling assembly 33; wherein:
as can be seen from fig. 2, the folding assembly 31 includes two symmetrically disposed folding plates 311, and the two folding plates 311 can rotate in opposite directions by 90 ° for folding the aluminum foil into a bag and wrapping the battery cell; each folding plate 311 includes a center plate 312, a vertical-type side plate 313, and a line-type side plate 314; a vertical heat-sealing pressure plate 315 is arranged between the vertical side plate 313 and the central plate 312 to realize the side sealing and the top sealing of the bag-forming aluminum foil; a line heat-seal press 316 is provided between the line side plate 314 and the center plate 312 to achieve a seal of the bag aluminum foil, and the line heat-seal press 316 includes a primary press and a secondary press.
Further, in connection with fig. 5, at least one T-shaped contact 317 is connected to each of the pressing plates, and a spring 318 is connected between the T-shaped contact 317 and the folding plate 311.
As can be seen from fig. 6, the heat-sealing assembly 32 includes mounting plates 321 symmetrically disposed on both sides of the folding plate 311, and a vertical hot-pressing head 322 and a horizontal hot-pressing head 323 disposed on each mounting plate 321, wherein the horizontal hot-pressing head 323 includes a primary pressing head and a secondary pressing head; each pressure head is connected with an electric push rod 324 fixed on the mounting plate 321, and the electric push rods 324 are used for driving the pressure heads to compress the corresponding pressure plates and drive the vertical heat-seal pressure plates 315 before filling, the primary pressure plates and the secondary pressure plates after filling according to the sequence of compressing.
As can be seen from fig. 2 and 4, the filling assembly 33 is used for filling the electrolyte into the aluminum foil folded into the bags after the aluminum foil is sealed at the side, and the filling assembly 33 includes a first Y-axis guide 331, and a lifting column 332 and a filling column 333 which can reciprocate on the first Y-axis guide 331; a positioning seat 334 is welded on the top of the lifting upright column 332, two limiting rods 336 are welded on one side of the positioning seat 334, a positioning through hole 335 is formed in the middle of the positioning seat 334 in a penetrating manner, and the two limiting rods 336 face the folding plate 311 and are symmetrically distributed on two sides of the positioning through hole 335; a filling head 337 is mounted to one side of the filling column 333 and is adapted to pass through the positioning through-hole 335 after the lifting column 332 is raised.
From the above, the specific working principle of the integral folding and packaging mechanism 3 is as follows:
firstly, placing the cut aluminum foil on a folding plate 311 which is horizontal in the X axis direction through a negative pressure manipulator; the battery core is placed on the dotted line frame part of the right folding plate 311 in fig. 2 through a negative pressure manipulator, and the battery core is placed on the surface of the aluminum foil, wherein one side of the dotted line frame is a reserved air bag position.
Then, the two folding plates 311 are driven to rotate towards each other, specifically referring to the change from the diagram a to the diagram b in fig. 3, after folding, the two folding plates 311 clamp the aluminum foil and the battery cell; in the process, two stop rods 336 in the filling assembly 33 define the bent portion of the aluminum foil, and are positioned below the battery cell after being folded, as shown in fig. 3 b. In addition, as can be seen from fig. 1, the position-limiting rod 336 is positioned on the folding plate 311 at a position where the air bag is reserved.
Then, the lifting columns 332 are activated to drive the two limiting rods 336 to lift up along the Z-axis direction, in the process, a stretching operation is performed on one side of the aluminum foil reserved air bag, and when the limiting rods 336 lift up to the highest position, the side is corresponding to the secondary pressing plate and is not higher than the vertical heat-sealing pressing plate 315, specifically referring to the changes from the diagrams b to c in fig. 3.
Next, the vertical hot press head 322 and the preliminary press head are driven by the electric push rod 324 to approach the folding plate 311 and contact with the corresponding T-shaped contact 317, so as to press the vertical hot press plate 315 and the preliminary press plate via the T-shaped contact 317, thereby forming a side seal, a top seal and a primary seal after the aluminum foil is folded, specifically referring to the variation of fig. 3 c to d. Wherein, the first region of sealing is located the top of sealing the region once more, and the corresponding pressure head that is promptly is located inferior pressure head below, guarantees from this that the aluminium foil of encapsulation bagging-off can effective splendid attire electrolyte, and avoids appearing the problem that electrolyte was revealed.
After the above-mentioned encapsulation is accomplished, based on the injecing of gag lever post 336 for the aluminium foil in the sealed region once more is strutted, thereby forms the filling position, drive filling stand 333 and be close to lift stand 332 from this, so that filling head 337 passes positioning through-hole 335, and stretch into to the aluminium foil of encapsulation bagging-off in, under this state, can pour into electrolyte into the aluminium foil encapsulation bag through filling head 337, refer to e picture state in fig. 3 specifically, under this state, because the opening of filling position is less, and the opening is strutted by gag lever post 336, can effectively avoid the problem that electrolyte revealed to appear in the filling process from this. In addition, the whole process is automatic operation, manual participation is not needed, and the working efficiency can be greatly improved.
After filling is completed, the lifting upright column 332 and the filling upright column 333 are driven to synchronously move along the first Y-axis guide rail 331 so as to draw out the limiting rod 336 and the filling head 337 from the aluminum foil packaging bag, and the electric push rod 324 corresponding to the secondary pressure head is immediately started after the drawing out so as to drive the secondary pressure plate to compress based on the same principle, so that the secondary sealing of the filling position is realized, and therefore, the complete filling, the side sealing, the top sealing, the primary sealing and the like of the whole aluminum foil packaging bag are realized, and the state of a diagram f in fig. 3 is specifically referred. Under the state, because the opening of the filling position is smaller and the filling position is packaged in time, the contact time of the electrolyte and the air can be effectively reduced, and the quality of the finally packaged and molded battery is greatly improved. In addition, since the spring 318 is compressed when any one of the T-shaped contacts 317 is pressed, the return of the corresponding pressure plate can be automatically realized by the rebound of the spring 318 after the return electric push rod 324 is retracted.
The indenter is a general term for the vertical hot press head 322 and the in-line hot press head 323 (primary indenter and secondary indenter); the above-mentioned platen is a general term for the vertical heat-seal platen 315 and the linear heat-seal platen 316 (primary platen and secondary platen).
In addition, preferably, as can be seen from fig. 2, a hollow shaft penetrates through one end of each of the two folding plates 311, which is close to each other, the distance between the two hollow shafts is the same as the thickness of the battery cell, and two ends of each hollow shaft are respectively connected with a driving motor and a negative pressure generator; the driving motor is used for driving the folding plate 311 to rotate through the hollow shaft, and the negative pressure generator is used for driving the folding plate 311 to form a negative suction plate through the hollow shaft. Based on this, when the aluminum foil and the battery core are placed on the folding plate 311, they can be stably adsorbed on the folding plate 311, thereby ensuring the stability and smoothness of the aluminum foil when folded into a bag, and when the aluminum foil is packaged after being folded (side sealing, top sealing, first sealing), the negative pressure generator is closed, thereby ensuring that the pressing plate can effectively press the aluminum foil to complete the packaging at the corresponding position.
Specifically, referring to fig. 1 and 9, the formation jig 4 of the present invention is explained in detail as follows:
the formation jig 4 comprises an X-axis guide rail 41 and a formation box 42 capable of reciprocating along the X-axis guide rail 41, and a plurality of material placing holes 43 adapted to the material conveying manipulator 6 are formed in the formation box 42 in a penetrating manner.
Specifically, the packaging jig 5 of the present invention is explained in detail as follows:
the packaging jig 5 comprises a vacuumizing mechanism, a heat sealing mechanism and an edge cutting mechanism; wherein:
the vacuumizing mechanism (not shown in the figure) comprises a liftable pricking pin part and a vacuum air extracting part, wherein the pricking pin part is used for pricking an air bag formed after the aluminum foil is coated on the battery cell, the air bag is positioned on one side of the battery cell, and the vacuum air extracting part is used for extracting air in the air bag;
the heat-sealing mechanism (not shown in the figure) comprises a liftable packaging head for sealing two aluminum foils between the battery core and the air bag;
the edge cutting mechanism (not shown) includes a liftable cutter disposed between the needle portion and the package head for cutting the air bag.
The above-mentioned concrete structure not shown all can adopt prior art, only need satisfy corresponding function can.
Further, as can be seen from fig. 1, the packaging jig 5 further includes a gantry mounting frame 51 and an outfeed conveyor 52 passing through the gantry mounting frame 51; the vacuumizing mechanism, the edge cutting mechanism and the heat sealing mechanism are sequentially arranged on the gantry mounting frame 51 along the Y-axis direction; the outfeed conveyor 52 is positioned along the Y axis and has a starting end corresponding to the second robot arm 62.
Specifically, the material conveying robot 6 of the present invention is explained in detail below with reference to fig. 1 and 8:
as can be seen from fig. 1, the two material conveying manipulators 6 are a first manipulator 61 and a second manipulator 62; the first manipulator 61 is arranged between the folding packaging mechanism 3 and the formation jig 4, and is used for conveying the packages on the folding packaging mechanism 3 to the formation jig 4, and the formation jig 4 is used for realizing standing formation of the packages; the second manipulator 62 is disposed between the formation jig 4 and the encapsulation jig 5, and is configured to convey the formation package in the formation jig 4 to the encapsulation jig 5, and the encapsulation jig 5 is configured to perform secondary encapsulation and discharge of the formation package. The above-mentioned package means a semi-finished product which is subjected to operations of folding, packaging, filling and the like in the folding and packaging mechanism 3, and the finished package means a finished semi-finished product.
Further, as can be seen from fig. 8, the material conveying manipulator 6 includes two second Y-axis guide rails 63 symmetrically arranged, and two mounting vertical frames 64 capable of moving back and forth along the second Y-axis guide rails 63, a mounting cross frame 65 is welded between the two mounting vertical frames 64, and a rotatable material clamping seat 66 is mounted on the mounting cross frame 65; two clamping plates 67 which can move oppositely are symmetrically arranged on the clamping seat 66;
preferably, in the first robot 61, the material clamping seat 66 performs 180 ° reciprocating rotation around the mounting cross frame 65 in the X-axis direction; in the second robot arm 62, the cartridge 66 performs a reciprocating rotation of 90 ° around the Y-axis center line perpendicular to the mounting cross frame 65.
In summary, the principle of realizing battery formation and secondary sealing on the Y-axis packaging line is as follows:
first, the first robot 61 is moved toward the folding and packaging mechanism 3 by driving the second Y-axis guide 63, and in this process, the material clamping seat 66 on the first robot 61 is disposed in the Z-axis direction so that the two clamping plates 67 are juxtaposed in the Z-axis direction, thereby: splint 67 of below stretches into the below to folding packaging mechanism 3, splint 67 of top stretches into the top to folding packaging mechanism 3, and be located between two folding plates 311, thereby it is corresponding to guarantee that splint 67 can be accurate and battery (package) between two folding plates 311, under this state, two splint 67 of drive are close to each other, then can effectively press from both sides tight battery (package), press from both sides tight back, the folding plate 311 that resets is turned round, and the holder 66 in the first manipulator 61 then carries out 180 rotations around installation crossbearer 65, so that splint 67 from the orientation rotation to the orientation formation tool 4 of folding packaging mechanism 3.
Then, the first manipulator 61 holding the battery (package) is driven to move closer to the formation jig 4, and the position of the formation box 42 on the X-axis guide rail 41 is adjusted, thereby ensuring that the first manipulator 61 corresponds to an empty storage hole 43, and thus the battery (package) is fed into the storage hole 43 based on the movement of the first manipulator 61, thereby allowing the battery (package) to be statically formed in the formation box 42; the specific formation includes high temperature formation and low temperature formation, and in the prior art, the structure is set and adjusted according to the requirements of the corresponding battery.
Then, after the first manipulator 61 withdraws from the formation jig 4, the formation box 42 is moved so that one formation placing hole 43 corresponds to the second manipulator 62, and at this time, the clamp plate 67 of the second manipulator 62 is extended into the formation placing hole 43 based on the same principle as the first manipulator 61, so that the battery (formation package) in the corresponding placing hole 43 is taken out, and after the battery is taken out, the second manipulator 62 is moved to approach the packaging jig 5;
then, the material clamping seat 66 in the second manipulator 62 is rotated by 90 ° around the Y-axis central line perpendicular to the mounting cross frame 65, so that the material clamping seat 66 parallel to the Z-axis is rotated to be perpendicular to the Z-axis and correspondingly parallel to the discharging conveyor 52, and thus, the battery (formed into a package) can be horizontally placed on the discharging conveyor 52, and the battery (formed into a package) is conveyed to the gantry mounting frame 51 through the discharging conveyor 52 to complete the operations of vacuumizing, secondary sealing, edge cutting and the like, and form the final discharging. Preferably, the installation stand 64 of the second manipulator 62 is provided with a liftable structure, so as to ensure that the rotated clamp plate 67 can effectively approach the discharging conveyor belt 52, and further realize the stable placement of the batteries (formed packages).
In addition, the two clamping plates 67 can be driven in opposite directions through a matching structure of a motor and a lead screw, and can also be driven through a double-head air cylinder.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an automatic encapsulation equipment of aluminium foil laminate polymer battery which characterized in that: comprises an X-axis packaging line and a Y-axis packaging line which are vertically arranged;
an aluminum foil feeding device (1) and a battery cell feeding device (2) are symmetrically arranged on the X-axis packaging line, and a folding packaging mechanism (3) is arranged between the aluminum foil feeding device (1) and the battery cell feeding device (2); the aluminum foil feeding device (1) is used for feeding aluminum foils to the folding packaging mechanism (3), the battery core feeding device (2) is used for feeding battery cores to the folding packaging mechanism (3), and the folding packaging mechanism (3) comprises a folding assembly (31), a heat sealing assembly (32) and a filling assembly (33);
the folding assembly (31) comprises two symmetrically arranged folding plates (311), and the two folding plates (311) can rotate in opposite directions by 90 degrees and are used for folding the aluminum foil into a bag and wrapping the battery core; each folding plate (311) comprises a central plate (312), a vertical side plate (313) and a straight side plate (314); a vertical heat-sealing pressure plate (315) is arranged between the vertical side plate (313) and the central plate (312) to realize the side sealing and the top sealing of the bag-forming aluminum foil; a linear heat-sealing pressing plate (316) is arranged between the linear side plate (314) and the central plate (312) to realize the linear sealing of the bag-forming aluminum foil, and the linear heat-sealing pressing plate (316) comprises a primary pressing plate and a secondary pressing plate;
the heat-sealing assembly (32) comprises mounting plates (321) symmetrically arranged on two sides of a folding plate (311), and a vertical hot-pressing head (322) and a linear hot-pressing head (323) which are arranged on each mounting plate (321), wherein the linear hot-pressing head (323) comprises a primary pressing head and a secondary pressing head; each pressure head is connected with an electric push rod (324) fixed on the mounting plate (321), the electric push rods (324) are used for driving the pressure heads to compress the corresponding pressure plates, and the vertical heat-seal pressure plates (315) and the primary pressure plates are compressed before filling, and the secondary pressure plates are compressed after filling;
the filling assembly (33) is used for filling electrolyte into the folded aluminum foil after the aluminum foil is sealed at the side;
a formation jig (4) and a packaging jig (5) are sequentially arranged on the Y-axis packaging line along the discharging direction, material conveying manipulators (6) are arranged on two sides of the formation jig (4), and the two material conveying manipulators (6) are respectively a first manipulator (61) and a second manipulator (62); the first manipulator (61) is arranged between the folding packaging mechanism (3) and the formation jig (4) and is used for conveying the packages on the folding packaging mechanism (3) into the formation jig (4), and the formation jig (4) is used for standing and formation of the packages; the second mechanical arm (62) is arranged between the formation jig (4) and the packaging jig (5) and used for conveying the formation packages in the formation jig (4) to the packaging jig (5), and the packaging jig (5) is used for secondary packaging and discharging of the formation packages.
2. The automatic packaging equipment for the aluminum foil soft package battery according to claim 1, characterized in that: one ends, close to each other, of the two folding plates (311) are respectively provided with a hollow shaft in a penetrating mode, the distance between the two hollow shafts is the same as the thickness of a battery core, and two ends of each hollow shaft are respectively connected with a driving motor and a negative pressure generator; the driving motor is used for driving the folding plate (311) to rotate through the hollow shaft, and the negative pressure generator is used for driving the folding plate (311) to form a negative suction plate through the hollow shaft.
3. The automatic packaging equipment for the aluminum foil soft package battery according to claim 1, characterized in that: one side of each pressure plate is connected with at least one T-shaped contact element (317), a spring (318) is connected between the T-shaped contact element (317) and the folding plate (311), the T-shaped contact element (317) is in contact with the pressure head, and the pressure head and the spring (318) are matched to drive the corresponding pressure plate to compress and reset.
4. The automatic packaging equipment for the aluminum foil soft package battery according to claim 1, characterized in that: the filling assembly (33) comprises a first Y-axis guide rail (331), and a lifting upright (332) and a filling upright (333) which can move on the first Y-axis guide rail (331) in a reciprocating manner; the top of the lifting upright post (332) is welded with a positioning seat (334), one side of the positioning seat (334) is welded with two limiting rods (336), the middle of the positioning seat is penetrated and provided with a positioning through hole (335), and the two limiting rods (336) face the folding plate (311) and are symmetrically distributed on two sides of the positioning through hole (335); a filling head (337) is mounted on one side of the filling column (333) and can pass through the positioning through hole (335) after the lifting column (332) is lifted.
5. The automatic packaging equipment for the aluminum foil soft package battery according to claim 1, characterized in that: the aluminum foil feeding device (1) comprises a discharging roller (11), a material guiding roller (12), a lifting cutter (13) and a feeding conveyor belt (14); the discharging roller (11) is used for placing an aluminum foil roll and discharging the aluminum foil; the guide roller (12) is used for guiding the aluminum foil to a feeding conveyor belt (14); the lifting cutter (13) is used for cutting the aluminum foil on the feeding conveyor belt (14); the feeding conveyor belt (14) is used for feeding and conveying the cut aluminum foils to the folding and packaging mechanism (3).
6. The automatic packaging equipment for the aluminum foil soft package battery according to claim 5, characterized in that: but be equipped with reciprocating motion's negative pressure manipulator between aluminium foil feed arrangement (1) and battery core feed arrangement (2), just negative pressure manipulator is used for adsorbing the aluminium foil after will cutting out and battery core and conveys on folded sheet (311).
7. The automatic packaging equipment for the aluminum foil soft package batteries is characterized in that the material conveying manipulator (6) comprises two second Y-axis guide rails (63) which are symmetrically arranged and two mounting vertical frames (64) which can move back and forth along the second Y-axis guide rails (63), a mounting transverse frame (65) is welded between the two mounting vertical frames (64), and a rotatable material clamping seat (66) is mounted on the mounting transverse frame (65); two clamping plates (67) capable of moving in opposite directions are symmetrically arranged on the clamping seat (66);
in the first mechanical arm (61), the material clamping seat (66) performs 180-degree reciprocating rotation around an installation transverse frame (65) in the X-axis direction; in the second manipulator (62), the material clamping seat (66) performs 90-degree reciprocating rotation around the Y-axis central line vertical to the installation cross frame (65).
8. The automatic packaging equipment of the aluminum foil soft package battery is characterized in that the formation jig (4) comprises an X-axis guide rail (41) and a formation box (42) capable of moving back and forth along the X-axis guide rail (41), and a plurality of object placing holes (43) matched with the material conveying manipulator (6) are formed in the formation box (42) in a penetrating manner.
9. The automatic packaging equipment for the aluminum foil soft package battery is characterized in that the packaging jig (5) comprises a vacuumizing mechanism, a heat sealing mechanism and an edge cutting mechanism; wherein:
the vacuum pumping mechanism comprises a liftable pricking pin part and a vacuum pumping part, the pricking pin part is used for pricking an air bag formed after the battery core is coated by the aluminum foil, the air bag is positioned on one side of the battery core, and the vacuum pumping part is used for pumping out gas in the air bag;
the heat sealing mechanism comprises a liftable packaging head used for sealing two aluminum foils between the battery core and the air bag;
the edge cutting mechanism comprises a liftable cutter which is arranged between the pricking pin part and the packaging head and is used for cutting off the air bag.
10. The automatic packaging equipment for the aluminum foil laminate battery is characterized in that the packaging jig (5) further comprises a gantry mounting frame (51) and an outlet conveyor belt (52) penetrating through the gantry mounting frame (51); the vacuumizing mechanism, the edge cutting mechanism and the heat sealing mechanism are sequentially arranged on the gantry mounting frame (51) along the Y-axis direction; the discharging conveyor belt (52) is arranged along the Y-axis direction, and the starting end of the discharging conveyor belt corresponds to the second mechanical arm (62).
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| CN202110033798.XA CN112886044B (en) | 2021-01-11 | 2021-01-11 | Automatic packaging equipment for aluminum foil soft package battery |
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Effective date of registration: 20221130 Address after: 200000 No. 888, Huanhu West 2nd Road, Lingang New Area, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Applicant after: SHANGHAI KAIJIN NEW MATERIAL TECHNOLOGY CO.,LTD. Address before: 518000 1001, building 1, Huilong business center, North Station community, Minzhi street, Longhua District, Shenzhen City, Guangdong Province Applicant before: Shenzhen Yingxu Technology Co.,Ltd. |
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Denomination of invention: An automatic packaging equipment for aluminum foil soft pack batteries Granted publication date: 20221223 Pledgee: Agricultural Bank of China Tongling Branch Pledgor: SHANGHAI KAIJIN NEW MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2024980017937 |