CN113451687B - Pre-sealing device of aluminum plastic film - Google Patents
Pre-sealing device of aluminum plastic film Download PDFInfo
- Publication number
- CN113451687B CN113451687B CN202110559623.2A CN202110559623A CN113451687B CN 113451687 B CN113451687 B CN 113451687B CN 202110559623 A CN202110559623 A CN 202110559623A CN 113451687 B CN113451687 B CN 113451687B
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- Prior art keywords
- sealing head
- aluminum
- negative pressure
- plate
- plastic film
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 88
- 239000002985 plastic film Substances 0.000 title claims abstract description 54
- 229920006255 plastic film Polymers 0.000 title claims abstract description 54
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 47
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 239000012528 membrane Substances 0.000 claims description 39
- 238000005245 sintering Methods 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000004886 head movement Effects 0.000 abstract 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/105—Pouches or flexible bags
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Hybrid Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a pre-sealing device of an aluminum-plastic film, which comprises a fixing frame, an air cylinder assembly, a guide supporting plate, a pre-sealing head assembly for heating and pre-sealing the aluminum-plastic film, a negative pressure platform for adsorbing and fixing the aluminum-plastic film and a positioning mechanism for positioning an electric core, wherein the air cylinder assembly is arranged on the fixing frame; the fixing frame comprises a bottom plate, a top plate and a guide rod, and two ends of the guide rod are respectively fixed with the bottom plate and the top plate; the air cylinder assembly is arranged on the bottom plate, the lower end of the guide supporting plate is arranged on a telescopic rod of the air cylinder assembly, the guide supporting plate is provided with a guide cylinder, and the guide cylinder is sleeved on the guide rod; the negative pressure platform is arranged on the top plate, and the positioning mechanism is adjustably arranged on the top plate; the lower part of the pre-sealing head component is arranged on the guide supporting plate, and the upper end of the pre-sealing head component faces to the aluminum plastic film of the negative pressure platform. The device is provided with a positioning table with a negative pressure function, so that the aluminum plastic film is prevented from moving; a plurality of points are heated for pre-packaging, so that the problem of bending of the aluminum plastic film in a dry environment is solved; the seal head movement adopts the linear guide of the cylinder telescopic mechanism, and the pre-sealing effect is stable and reliable.
Description
Technical Field
The invention relates to the technical field of lithium battery manufacturing, in particular to a pre-sealing device of an aluminum-plastic film.
Background
In lithium cell production and manufacturing process, the plastic-aluminum membrane thickness is thinner, and the material is softer, returns slowly to curl under not having other interferences, when the environmental moisture changes, more can curl fast, and the bending phenomenon can appear in the plastic-aluminum membrane under dry environment, can produce very big difficulty when lithium cell automated production, reduces the production efficiency and the yields of lithium cell.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a pre-sealing device of an aluminum-plastic film.
The invention is realized by the following technical scheme: a pre-sealing device of an aluminum-plastic film is matched with a robot with a mechanical arm provided with a sponge sucker for use and comprises a fixing frame, an air cylinder assembly, a guide supporting plate, a pre-sealing head assembly for heating and pre-sealing the aluminum-plastic film, a negative pressure platform for adsorbing and fixing the aluminum-plastic film and a positioning mechanism for positioning an electric core; the fixing frame comprises a bottom plate, a top plate and a guide rod, the upper end of the guide rod is fixed on the lower side of the top plate, and the lower end of the guide rod is fixed on the upper side of the bottom plate; the air cylinder assembly is arranged on the bottom plate, the lower end of the guide supporting plate is arranged on a telescopic rod of the air cylinder assembly, the guide supporting plate is provided with a guide cylinder, and the guide cylinder is sleeved on the guide rod; the negative pressure platform is mounted on the top plate, and the positioning mechanism is adjustably mounted on the top plate; the lower part of the pre-sealing head component is arranged on the guide supporting plate, and the upper end of the pre-sealing head component faces to the aluminum plastic film of the negative pressure platform.
Along with the expansion and contraction of the telescopic rod of the air cylinder component, the guide supporting plate moves up and down along the guide rod to realize the lifting function, so that the pre-sealing head component is controlled to be close to or far away from the aluminum-plastic film, and the pre-sealing of the aluminum-plastic film is realized; the negative pressure platform can adsorb and fix the aluminum plastic film on the battery cell to realize the film covering function; the positioning mechanism can position the battery cell, so that the battery cell is positioned at the center of the aluminum-plastic film.
The negative pressure platform comprises a negative pressure mounting seat and a sintering porous plate; the middle of the negative pressure mounting seat is provided with a special-shaped sinking groove, the negative pressure mounting seat around the special-shaped sinking groove is provided with a plurality of vent holes, and a pneumatic joint connected with an external vacuum pumping negative pressure device is arranged in each vent hole; the outline of the sintering porous plate is matched with the outline of the special-shaped sink groove, and the sintering porous plate is arranged in the special-shaped sink groove and connected together in a manner of combining interference fit with glue; four corners of the negative pressure mounting seat are respectively provided with a first circular counter bore, and the negative pressure mounting seat is fixed on the top plate through screws penetrating through the first circular counter bores; an aluminum-plastic film is covered on the sintering porous plate. The arrangement of the vent hole and the pneumatic connector, under the action of the external vacuumizing negative pressure device, the aluminum-plastic film is subjected to negative pressure adsorption, so that the aluminum-plastic film is adsorbed and fixed on the negative pressure platform; the sintered porous plate has a heat conduction function and can carry out heat sealing on the aluminum plastic film. The sintering perforated plate is in interference fit with the special-shaped sinking groove, so that the fixation stability can be realized.
The pre-sealing head assembly comprises a sealing head mounting seat, a heating rod, a pre-sealing head and a temperature sensor; the seal head mounting seat is mounted on the guide supporting plate through a screw; the bottom of the pre-sealing head is provided with a circular through hole, and the pre-sealing head is fixed on the sealing head mounting seat by penetrating the circular through hole through a screw; a second round counter bore is formed in the middle of the pre-sealing head, a set screw is arranged on the side face of the pre-sealing head, and the heating rod is inserted into the second round counter bore of the pre-sealing head and is fixed in the pre-sealing head through the set screw; the temperature sensor is aligned with the pre-sealing head, and the pre-sealing head is aligned with the sintering porous plate. The heating rod can heat the pre-sealing head after being electrified, and the temperature sensor can detect the temperature change of the pre-sealing head in real time.
The positioning mechanism comprises a guide rod cylinder, a connecting plate and a positioning push plate; the guide rod cylinder is installed on the top plate, one end of the connecting plate is installed on a telescopic rod of the guide rod cylinder, and the positioning push plate is installed at the other end of the connecting plate; the positioning mechanisms are three, two of the positioning mechanisms are arranged on the side edge of the top plate on the opposite side to form a group of opposite mechanisms, the guide rod air cylinders of the group of mechanisms move synchronously, the other positioning mechanism is arranged on the other side edge of the top plate adjacent to the side edge where the two positioning mechanisms are located, and the three positioning push plates are used for positioning the battery cell respectively.
The number of the pre-sealing head assemblies is four, and the pre-sealing head assemblies are distributed below four corners of the sintering porous plate. The four pre-sealing head assemblies are arranged, so that uniform heating can be realized.
When using this device to seal in advance, the plastic-aluminum membrane is equipped with two-layerly, be the membrane under plastic-aluminum membrane upper membrane and the plastic-aluminum membrane respectively, the membrane is placed on the negative pressure platform through the sponge sucking disc of robot under the plastic-aluminum membrane, electric core places on the membrane under the plastic-aluminum membrane through the sponge sucking disc, positioning mechanism's guide arm cylinder stretches out the location push pedal to the central motion like the initial point position, promote electric core to the assigned position, the membrane is placed on electric core through the sponge sucking disc on the plastic-aluminum membrane, and with the alignment of membrane under the plastic-aluminum membrane. The sponge sucking disc keeps pressing on the plastic-aluminum membrane, and the telescopic link of cylinder subassembly jacking direction layer board drives head subassembly in advance and rises, presses the sintering perforated plate in the plastic-aluminum membrane bottom, heats the plastic-aluminum membrane, seals in advance, makes the upper and lower membrane heat seal of plastic-aluminum membrane connect.
Compared with the prior art, the invention has the advantages that: the device is provided with a positioning table with a negative pressure function, so that the aluminum plastic film is prevented from moving; a plurality of points are heated for pre-packaging, so that the problem that the aluminum plastic film is bent in a dry environment is solved, and the pre-packaging points can be cut off at the later stage of the battery without influencing the performance of the battery; the end socket movement adopts a cylinder telescopic mechanism, linear guiding is realized, and the pre-sealing effect is stable and reliable.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a negative pressure platform according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a negative pressure mounting seat according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a sintered porous plate according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a burning positioning mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a head assembly according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a robot and a sponge chuck according to an embodiment of the invention.
The reference numerals in the figures mean: 1. a cylinder assembly; 2. a guide supporting plate; 21. a guide cylinder; 3. a pre-sealing head assembly; 301. a seal head mounting seat; 302. a heating rod; 303. pre-sealing a head; 304. a temperature sensor; 4. a negative pressure platform; 401. a negative pressure mounting seat; 402. sintering the porous plate; 403. a vent hole; 5. a positioning mechanism; 501. positioning a push plate; 502. a guide rod cylinder; 503. a connecting plate; 6. an aluminum plastic film; 7. a robot; 8. a sponge sucker; 91. a base plate; 92. a top plate; 93. a guide rod.
Detailed Description
The invention is described in further detail below with reference to the following drawings and detailed description.
Examples
Referring to fig. 1 to 7, the pre-sealing device for the aluminum-plastic film is used in cooperation with a robot 7 having a mechanical arm with a sponge sucker 8, and includes a fixing frame, a cylinder assembly 1, a guide supporting plate 2, a pre-sealing head assembly 3 for heating and pre-sealing an aluminum-plastic film 6, a negative pressure platform 4 for adsorbing and fixing the aluminum-plastic film 6, and a positioning mechanism 5 for positioning an electric core; the fixing frame comprises a bottom plate 91, a top plate 92 and a guide rod 93, the upper end of the guide rod 93 is fixed on the lower side of the top plate 92, and the lower end of the guide rod 93 is fixed on the upper side of the bottom plate 91; the air cylinder assembly 1 is arranged on the bottom plate 91, the lower end of the guide supporting plate 2 is arranged on a telescopic rod of the air cylinder assembly 1, the guide supporting plate 2 is provided with a guide cylinder 21, and the guide cylinder 21 is sleeved on a guide rod 93; the negative pressure platform 4 is arranged on the top plate 92, and the positioning mechanism 5 is adjustably arranged on the top plate 92; the lower part of the pre-sealing head component 3 is arranged on the guide supporting plate 2, and the upper end of the pre-sealing head component faces to the aluminum plastic film 6 of the negative pressure platform 4.
Along with the expansion and contraction of the telescopic rod of the air cylinder component 1, the guide supporting plate 2 moves up and down along the guide rod 93 to realize the lifting function, so that the pre-sealing head component 3 is controlled to be close to or far away from the aluminum-plastic film 6, and the pre-sealing of the aluminum-plastic film 6 is realized; the negative pressure platform 4 can adsorb and fix the aluminum plastic film 6 on the battery core to realize the film coating function; the positioning mechanism 5 can position the battery cell, so that the battery cell is positioned at the center of the aluminum-plastic film 6.
The negative pressure platform 4 comprises a negative pressure mounting seat 401 and a sintering porous plate 402; a special-shaped sinking groove is formed in the middle of the negative pressure mounting seat 401, a plurality of vent holes 403 are formed in the negative pressure mounting seat 401 around the special-shaped sinking groove, and a pneumatic connector connected with an external vacuum pumping negative pressure device is mounted in each vent hole 403; the outer contour of the sintering porous plate 402 is matched with the outer contour of the special-shaped sink groove, and the sintering porous plate 402 is arranged in the special-shaped sink groove and connected together in a mode of combining interference fit with glue; first circular counter bores are formed in four corners of the negative pressure mounting base 401 respectively, and the negative pressure mounting base 401 is fixed on the top plate 92 through screws penetrating through the first circular counter bores; the aluminum plastic film 6 is covered on the sintered porous plate 402. The vent holes 403 and the pneumatic connectors are arranged, and the aluminum-plastic film 6 is subjected to negative pressure adsorption under the action of the external vacuum pumping negative pressure device, so that the aluminum-plastic film 6 is adsorbed and fixed on the negative pressure platform 4; the sintered porous plate 402 has a heat conductive function, and can heat seal the aluminum plastic film 6. The sintering perforated plate 402 is in interference fit with the special-shaped sinking groove, and fixation stability can be achieved.
The pre-sealing head assembly 3 comprises a sealing head mounting seat 301, a heating rod 302, a pre-sealing head 303 and a temperature sensor 304; the seal head mounting seat 301 is mounted on the guide supporting plate 2 through screws; the bottom of the pre-sealing head 303 is provided with a circular through hole, and the pre-sealing head 303 is fixed on the sealing head mounting seat 301 through the circular through hole by a screw; a second circular counter bore is formed in the middle of the pre-sealing head 303, a set screw is arranged on the side face of the pre-sealing head 303, and the heating rod 302 is inserted into the second circular counter bore of the pre-sealing head 303 and fixed in the pre-sealing head 303 through the set screw; the temperature sensor 304 is aligned with the pre-seal head 303 and the pre-seal head 303 is aligned with the sintered perforated plate 402. After the heating rod 302 is electrified, the pre-sealing head 303 can be heated, and the temperature sensor 304 can detect the temperature change of the pre-sealing head 303 in real time.
The positioning mechanism 5 comprises a guide rod cylinder 502, a connecting plate 503 and a positioning push plate 501; a guide rod cylinder 502 is arranged on the top plate 92, one end of a connecting plate 503 is arranged on an expansion link of the guide rod cylinder 502, and a positioning push plate 501 is arranged on the other end of the connecting plate 503; the number of the positioning mechanisms 5 is three, wherein two positioning mechanisms 5 are arranged at the side edge of the top plate 92 at the opposite side to form a group of opposite mechanisms, the guide rod cylinders 502 of the group of mechanisms move synchronously, the other positioning mechanism 5 is arranged at the other side edge of the top plate 92 adjacent to the side edge where the two positioning mechanisms 5 are located, and the three positioning push plates 501 are used for positioning the battery cell respectively.
Four pre-sealing head assemblies 3 are arranged and distributed below four corners of the sintering porous plate 402. The four pre-sealing head assemblies 3 are arranged, so that uniform heating can be realized.
When using this device to seal in advance, plastic-aluminum membrane 6 is equipped with two-layerly, be the membrane under 6 upper membranes of plastic-aluminum membrane and plastic-aluminum membrane 6 respectively, the membrane is placed on negative pressure platform 4 through the sponge sucking disc 8 of robot 7 under the plastic-aluminum membrane 6, electric core (lithium cell) are placed on the membrane under the plastic-aluminum membrane 6 through sponge sucking disc 8, guide arm cylinder 502 of positioning mechanism 5 stretches out location push pedal 501 to the central motion like the initial point position, promote electric core to the assigned position, the membrane is placed on electric core through sponge sucking disc 8 on the plastic-aluminum membrane 6, and with the alignment of membrane under the plastic-aluminum membrane 6. The sponge sucking disc 8 keeps pressing on the plastic-aluminum membrane 6, and the telescopic link of cylinder subassembly 1 is jacking direction layer board 2, drives head subassembly 3 in advance and rises, presses the sintering perforated plate 402 at the plastic-aluminum membrane 6 bottom, to the heating of plastic-aluminum membrane 6, seals in advance, makes the upper and lower membrane heat seal of plastic-aluminum membrane 6 connect.
The working process of the device is as follows: when the device is started, the heating rod 302 is electrified to heat the pre-sealing head 303, and the temperature sensor 304 detects the temperature of the pre-sealing head 303 in real time; when the temperature reaches a set value, the robot 7 acts to drive the sponge sucker 8 to grab the aluminum-plastic film 6 and place the lower film of the aluminum-plastic film 6 on the negative pressure platform 4. The negative pressure platform 4 carries out vacuum adsorption, and the lower film of the aluminum plastic film 6 is adsorbed and fixed on the negative pressure platform 4; the robot 7 continues to act, the sponge sucker 8 is used for grabbing the battery cell and placing the battery cell on the surface of the lower film of the aluminum-plastic film 6, and the positioning mechanism 5 acts to position the battery cell at a specified position; the robot 7 acts, a sponge sucker 8 is used for grabbing an upper film (the upper film is provided with a pit matched with the battery cell) of the aluminum plastic film 6, the upper film is accurately placed on the battery cell, the battery cell is sleeved in the pit, and meanwhile, four sides of the upper film are aligned with a lower film of the aluminum plastic film 6; and the sponge sucker 8 is kept to be slightly compressed, so that the peripheries of the upper film and the lower film of the aluminum-plastic film 6 are tightly attached; then the bottom cylinder acts to push the pre-sealing head 303 to rise, and the round top of the sealing head passes through an avoidance round hole of the negative pressure platform 4 and is attached to the surface of the lower film of the aluminum plastic film 6; the pre-sealing head 303 heats the aluminum-plastic film 6 to bond the upper and lower films and the fusion layer of the aluminum-plastic film 6 together, thereby completing the pre-sealing. The pre-sealing head 303 moves downwards to return to the original point, and the robot 7 takes away the lithium battery to perform the next process.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The utility model provides a pre-sealing device of plastic-aluminum membrane, is equipped with the robot cooperation use of sponge sucking disc with the arm, its characterized in that: the device comprises a fixed frame, a cylinder assembly, a guide supporting plate, a pre-sealing head assembly for heating and pre-sealing the aluminum-plastic film, a negative pressure platform for adsorbing and fixing the aluminum-plastic film, and a positioning mechanism for positioning the battery cell; the fixing frame comprises a bottom plate, a top plate and a guide rod, the upper end of the guide rod is fixed on the lower side of the top plate, and the lower end of the guide rod is fixed on the upper side of the bottom plate; the air cylinder assembly is arranged on the bottom plate, the lower end of the guide supporting plate is arranged on a telescopic rod of the air cylinder assembly, the guide supporting plate is provided with a guide cylinder, and the guide cylinder is sleeved on the guide rod; the negative pressure platform is mounted on the top plate, and the positioning mechanism is adjustably mounted on the top plate; the lower part of the pre-sealing head assembly is arranged on the guide supporting plate, and the upper end of the pre-sealing head assembly faces to the aluminum-plastic film of the negative pressure platform; the negative pressure platform comprises a negative pressure mounting seat and a sintering porous plate; the middle of the negative pressure mounting seat is provided with a special-shaped sinking groove, the negative pressure mounting seat around the special-shaped sinking groove is provided with a plurality of vent holes, and pneumatic connectors connected with an external vacuum pumping negative pressure device are arranged in the vent holes; the outline of the sintering porous plate is matched with the outline of the special-shaped sink groove, and the sintering porous plate is arranged in the special-shaped sink groove and connected together in a manner of combining interference fit with glue; four corners of the negative pressure mounting seat are respectively provided with a first circular counter bore, and the negative pressure mounting seat is fixed on the top plate through screws penetrating through the first circular counter bores; an aluminum-plastic film is covered on the sintering porous plate.
2. The pre-sealing device of the aluminum plastic film as recited in claim 1, wherein: the pre-sealing head assembly comprises a sealing head mounting seat, a heating rod, a pre-sealing head and a temperature sensor; the seal head mounting seat is mounted on the guide supporting plate through a screw; the bottom of the pre-sealing head is provided with a circular through hole, and the pre-sealing head is fixed on the sealing head mounting seat by penetrating the circular through hole through a screw; the middle of the pre-sealing head is provided with a second circular counter bore, the side surface of the pre-sealing head is provided with a set screw, and the heating rod is inserted into the second circular counter bore of the pre-sealing head and is fixed in the pre-sealing head through the set screw; the temperature sensor is aligned with the pre-sealing head, and the pre-sealing head is aligned with the sintering porous plate.
3. The pre-sealing device of aluminum plastic film according to claim 1, wherein: the positioning mechanism comprises a guide rod cylinder, a connecting plate and a positioning push plate; the guide rod cylinder is installed on the top plate, one end of the connecting plate is installed on a telescopic rod of the guide rod cylinder, and the positioning push plate is installed at the other end of the connecting plate; the positioning mechanisms are three, two of the positioning mechanisms are arranged on the side edge of the top plate on the opposite side to form a group of opposite mechanisms, the guide rod air cylinders of the group of mechanisms move synchronously, the other positioning mechanism is arranged on the other side edge of the top plate adjacent to the side edge where the two positioning mechanisms are located, and the three positioning push plates are used for positioning the battery cell respectively.
4. The pre-sealing device of aluminum plastic film according to claim 2, wherein: the number of the pre-sealing head components is four, and the pre-sealing head components are distributed below four corners of the sintering porous plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559623.2A CN113451687B (en) | 2021-05-21 | 2021-05-21 | Pre-sealing device of aluminum plastic film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559623.2A CN113451687B (en) | 2021-05-21 | 2021-05-21 | Pre-sealing device of aluminum plastic film |
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| Publication Number | Publication Date |
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| CN113451687A CN113451687A (en) | 2021-09-28 |
| CN113451687B true CN113451687B (en) | 2022-11-15 |
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| CN202110559623.2A Expired - Fee Related CN113451687B (en) | 2021-05-21 | 2021-05-21 | Pre-sealing device of aluminum plastic film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115692818B (en) * | 2022-11-04 | 2024-03-26 | 天津大学 | Plastic-aluminum membrane packaging hardware of soft packet of battery |
| CN117525613B (en) * | 2024-01-05 | 2024-04-02 | 惠州市迅大上电子科技有限公司 | Soft package lithium battery packaging equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205723646U (en) * | 2016-05-04 | 2016-11-23 | 东莞丰源锂能电池设备有限公司 | Soft-package battery automatic heating sealing mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2012218785A (en) * | 2011-04-11 | 2012-11-12 | General Packer Co Ltd | Bag making automatic packaging machine of sheet-like electrode |
| CN204558600U (en) * | 2015-04-07 | 2015-08-12 | 深圳市巨兆数码有限公司 | Battery core R angle is pre-packaged puts |
| CN207765482U (en) * | 2018-01-05 | 2018-08-24 | 东莞市红木棉电子科技有限公司 | A kind of vacuum can capping machine end socket |
| CN211829083U (en) * | 2020-03-26 | 2020-10-30 | 广州中国科学院工业技术研究院 | Negative pressure mechanism for lithium battery packaging |
| CN211829082U (en) * | 2020-03-26 | 2020-10-30 | 广州中国科学院工业技术研究院 | Soft-packaged electrical core packaging accurate positioning fixture |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205723646U (en) * | 2016-05-04 | 2016-11-23 | 东莞丰源锂能电池设备有限公司 | Soft-package battery automatic heating sealing mechanism |
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