CN113161598B - Double-end top sealing device for cylindrical soft-package lithium battery - Google Patents
Double-end top sealing device for cylindrical soft-package lithium battery Download PDFInfo
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- CN113161598B CN113161598B CN202110464397.XA CN202110464397A CN113161598B CN 113161598 B CN113161598 B CN 113161598B CN 202110464397 A CN202110464397 A CN 202110464397A CN 113161598 B CN113161598 B CN 113161598B
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- 238000007789 sealing Methods 0.000 title claims abstract description 84
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 63
- 230000000712 assembly Effects 0.000 claims abstract description 21
- 238000000429 assembly Methods 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims description 57
- 238000010438 heat treatment Methods 0.000 claims description 55
- 239000002969 artificial stone Substances 0.000 claims description 24
- 238000010926 purge Methods 0.000 claims description 12
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 31
- 239000000463 material Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012785 packaging film Substances 0.000 description 2
- 229920006280 packaging film Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003571 electronic cigarette Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01M10/04—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
- H01M10/0422—Cells or battery with cylindrical casing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention relates to the field of soft package lithium battery packaging, and discloses a double-end top sealing device for a cylindrical soft package lithium battery. According to the invention, through the mutual matching of the two oppositely arranged end socket assemblies, the supporting plate assembly, the lifting assembly for driving the supporting plate assembly and the material guide cylinder, the double-end simultaneous packaging of the cylindrical soft-package lithium battery is realized, the automation degree is high, and the packaging efficiency is greatly improved.
Description
Technical Field
The invention relates to the field of soft package lithium battery packaging, in particular to a double-head top sealing device for a cylindrical soft package lithium battery.
Background
The cylindrical soft package lithium battery is one type of soft package lithium battery, and is mainly used in the field of electronic cigarettes, and in the production process, a packaging film wrapped outside a battery cell needs to be heat-sealed, and the packaging film comprises a top seal and a side seal, and the top seal of the cylindrical soft package lithium battery needs to be sealed on both ends of the cylindrical soft package lithium battery.
The existing packaging equipment is high in manufacturing cost, mainly packages one end of the cylindrical soft-package lithium battery, and then continues to package the other end of the cylindrical soft-package lithium battery in a top-sealing mode, so that the packaging efficiency is low, the manufacturing cost is high, the double ends of the cylindrical soft-package lithium battery are packaged respectively, the packaging quality is unstable, and the variability is large.
Disclosure of Invention
Aiming at the problems of low packaging efficiency and large packaging quality difference existing in the process of respectively carrying out top sealing on the double heads of the conventional cylindrical soft-package lithium battery, the invention provides the double-head top sealing device for the cylindrical soft-package lithium battery, which realizes the simultaneous heat sealing on the double heads of the cylindrical soft-package lithium battery through the matching of two oppositely arranged end socket assemblies and a supporting plate assembly for guiding materials, improves the packaging efficiency and ensures the consistency of the double-head top sealing of the cylindrical soft-package lithium battery.
In order to solve the technical problems, the invention provides a double-end top sealing device for a cylindrical soft-package lithium battery, which comprises:
The workbench is provided with a guide chute;
the sealing head assemblies are positioned on the top surface of the workbench and are oppositely arranged at two sides of the guide chute and used for heat-sealing the double heads of the cylindrical soft-package lithium battery;
The support plate assembly is vertically arranged between the two end socket assemblies and used for realizing the loading and unloading of the top seal of the cylindrical soft-package lithium battery, the support plate assembly comprises a support plate, a loading assembly and an unloading assembly, an L-shaped supporting trough formed by a horizontal section and a vertical section is arranged on the support plate, a top beam is arranged at the end part of the vertical section of the L-shaped supporting trough, U-shaped grooves with outward openings are formed in the top beam and the L-shaped supporting trough, the loading assembly is arranged at the notch of the U-shaped groove, and the unloading assembly is arranged at the middle part of the U-shaped groove;
The lifting assembly is positioned below the workbench and corresponds to the supporting plate assembly, the lifting assembly comprises a pair of lifting cylinders, a cylinder fixing seat and a lifting platform, two lifting cylinders are fixed on the bottom surface of the cylinder fixing seat, a plurality of vertical lifting guide posts are arranged between the cylinder fixing seat and the workbench, the lifting platform is slidably assembled on the lifting guide posts, piston rods of the two lifting cylinders penetrate through the cylinder fixing seat and are fixedly connected with the lifting platform, a sliding table is slidably assembled on the lifting platform, and the supporting plate is movably assembled in the guide groove and penetrates through the guide groove to be fixedly connected with the sliding table;
the guide cylinder is fixed on the lifting platform along the length direction of the guide groove, and a piston rod of the guide cylinder is fixedly connected with the sliding table;
the discharging hopper is obliquely arranged at one side of the seal head assembly and corresponds to the supporting plate assembly;
And the purging head is positioned at the other side of the supporting plate assembly and is opposite to the discharging hopper.
Further, the single seal head assembly comprises a C-shaped seat, a seal head cylinder, a lower seal cutter assembly and an upper seal cutter assembly, a pair of seal head guide posts are vertically arranged in an opening of the C-shaped seat, the seal head cylinder is fixed at the center of the top of the C-shaped seat, the lower seal cutter assembly is positioned on one side, close to the opening of the C-shaped seat, of the two seal head guide posts, the upper seal cutter assembly is slidably assembled on the two seal head guide posts and is positioned right above the lower seal cutter assembly, and a piston rod of the seal head cylinder penetrates through the C-shaped seat and is connected with the upper seal cutter assembly.
Further, the lower seal cutter assembly comprises a lower seal cutter fixing seat, a lower synthetic stone, a lower heating block and a lower seal cutter which are sequentially arranged from bottom to top, wherein the lower seal cutter fixing seat is fixed at the bottom of the C-shaped seat, and a heating tube is arranged in the lower heating block.
Further, go up seal the sword subassembly and include from last seal sword fixing base, last synthetic stone, last heating block and the last sword that sets gradually down, go up seal sword fixing base sliding fit on two head guide posts, be equipped with the heating tube in the last heating block, the piston rod of head cylinder runs through C type seat and is connected with last seal sword fixing base.
Further, the lower heating block, the lower sealing knife, the upper heating block and the upper sealing knife are all made of brass.
Further, the lower heating block and the upper heating block are respectively provided with a mounting hole corresponding to the heating tube, and the heating tube is fixed in the mounting hole through heat conducting glue.
Further, the lower synthetic stone and the upper synthetic stone are both made of carbon fiber boards.
Further, the assembly of feeding includes anchor clamps under the loading, last anchor clamps, the cylinder of feeding and first guide arm of feeding down, anchor clamps are fixed in the tip of L holds in the palm silo horizontal segment under the loading, last anchor clamps of feeding pass through the cylinder movable mounting of feeding and just be located under the loading anchor clamps the tip of roof beam, first guide arm movable mounting is on the back timber, its bottom and last anchor clamps fixed connection of feeding.
Further, the unloading assembly comprises an unloading lower clamp, an unloading upper clamp, an unloading air cylinder and a second guide rod, wherein the unloading lower clamp is fixed at the middle part of the horizontal section of the L-shaped material supporting groove, the unloading upper clamp is movably assembled at the middle part of the top beam through the unloading air cylinder and is positioned right above the unloading lower clamp, and the second guide rod is movably assembled on the top beam, and the bottom of the second guide rod is fixedly connected with the unloading upper clamp.
Further, the upper surface of the blanking hopper and the top surface of the workbench are formed with an acute angle theta which is more than or equal to 5 degrees and less than or equal to 15 degrees.
Compared with the prior art, the invention has the advantages that: according to the invention, the double heads of the cylindrical soft-package lithium battery are packaged simultaneously through the mutual matching of the two oppositely arranged end socket assemblies, the supporting plate assembly movably assembled between the two end socket assemblies, the lifting assembly for driving the supporting plate assembly and the material guide cylinder, and in the whole packaging process, the packaging and the discharging are automatically controlled except for manual charging, so that the automation degree is high, and the packaging efficiency is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
Figure 1 is a schematic perspective view of the present invention,
Figure 2 is a schematic perspective view of another angle of the present invention,
Fig. 3 is a schematic perspective view of fig. 1, with one of the head assemblies 2 and the pallet assembly 3 hidden,
Fig. 4 is a schematic perspective view of the working table 1 and two seal head assemblies 2 hidden on the basis of fig. 1,
Figure 5 is a schematic view of the pallet assembly 3,
Figure 6 is a front view of figure 1,
Figure 7 is an exploded view of the double-ended capping device for a cylindrical soft-pack lithium battery according to the present invention,
The reference numerals are as follows:
The device comprises a workbench 1, a guide chute 11, a first positioning chute 12, a sealing head assembly 2, a C-shaped seat 21, a second positioning chute 211, a sealing head cylinder 22, a lower sealing cutter assembly 23, a lower sealing cutter fixing seat 231, a lower synthetic stone 232, a lower heating block 233, a lower sealing cutter 234, an upper sealing cutter assembly 24, an upper sealing cutter fixing seat 241, an upper synthetic stone 242, an upper heating block 243, an upper sealing cutter 244, a sealing head guide column 25, a clamping strip 26, a supporting plate assembly 3, a supporting plate 31, an L-shaped supporting chute 311, a U-shaped chute 312, a charging assembly 32, a charging lower clamp 321, a charging upper clamp 322, a charging cylinder 323, a first guide rod 324, a discharging assembly 33, a discharging lower clamp 331, a discharging upper clamp 332, a discharging cylinder 333, a second guide rod 334, a top beam 34, a lifting assembly 4, a lifting cylinder 41, a cylinder fixing seat 42, a lifting platform 43, a sliding rail 431, a lifting guide column 44, a sliding table 45, a guide cylinder 5, a lower hopper 6 and a purging head 7.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present invention, the following detailed description of the present invention with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
It should be noted that, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is commonly put in place when used, merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 7, the invention provides a double-end top sealing device for a cylindrical soft package lithium battery, which comprises a workbench 1, a pair of end socket assemblies 2, a supporting plate assembly 3, a lifting assembly 4, a material guiding cylinder 5, a discharging hopper 6 and a purging head 7, wherein:
The workbench 1 is provided with a guide groove 11, the workbench 1 is an operation table which is horizontally arranged by default, when the workbench is put into a production line, the workbench is fixed on a frame to form a horizontal tabletop of a packaging station, and workers charge the cylindrical soft-package lithium battery on the workbench 1 to realize double-head top sealing and automatic discharging of the cylindrical soft-package lithium battery, and the workbench 1 is preferably made of stainless steel;
the two end socket assemblies 2 are respectively positioned on the top surface of the workbench 1 and are oppositely arranged at two sides of the guide chute 11 and used for simultaneously heat-sealing the double ends of the cylindrical soft-package lithium battery;
As shown in fig. 3 and 7, the seal head assembly 2 adopted in the invention is composed of a C-shaped seat 21, a seal head cylinder 22, a lower seal cutter assembly 23 and an upper seal cutter assembly 24, wherein the two C-shaped seats 21 are respectively fixed at two sides of the guide groove 11, the openings of the two C-shaped seats 21 are respectively towards the direction of the guide groove 11, for convenient disassembly and assembly, and simultaneously ensuring the accuracy and the installation stability of the installation position, a first positioning groove 12 perpendicular to the guide groove 11 is respectively arranged at two sides of the guide groove 11 on the workbench 1, preferably, the two first positioning grooves 12 are positioned on the same straight line, the bottoms of the two C-shaped seats 21 are respectively provided with a second positioning groove 211 corresponding to the first positioning groove 12, the single C-shaped seat 21 is respectively connected and fixed with the workbench 1 through a clamping bar 26, in particular, the lower half part of the clamping bar 26 is clamped in the first positioning groove 12, the upper part of the workbench 1 is provided with an upward bulge, the second positioning groove 211 of the C-shaped seat 21 is clamped on the corresponding clamping bar 26, finally, the clamping bar 26 is fastened on the corresponding clamping bar 26 through a plurality of threaded holes are respectively formed in the clamping bar 12 and the threaded holes respectively formed in the clamping bar 21 and the threaded holes respectively;
As shown in fig. 7, a pair of seal head guide posts 25 are vertically arranged in the opening of the C-shaped seat 21, a seal head cylinder 22 is fixed at the center of the top of the C-shaped seat 21, a lower seal cutter assembly 23 is fixed at the bottom of the C-shaped seat 21, the lower seal cutter assembly 23 is positioned at one side of the two seal head guide posts 25 close to the opening of the C-shaped seat 21, the positions of the upper seal cutter assembly 24 and the lower seal cutter assembly 23 correspond to each other, specifically, the upper seal cutter assembly 24 is slidingly assembled on the two seal head guide posts 25 and is positioned right above the lower seal cutter assembly 23, a piston rod of the seal head cylinder 22 penetrates through the C-shaped seat 21 to be connected with the upper seal cutter assembly 24, the upper seal cutter assembly 24 reciprocates up and down on the seal head guide posts 25 in the vertical direction through the seal head cylinder 22, and the double-head simultaneous heat sealing of the cylindrical soft-packed lithium battery is realized through the cooperation of the lower seal cutter assembly 23;
As a preferred embodiment of the present invention, as shown in fig. 3 and 7, the lower sealing knife assembly 23 includes a lower sealing knife fixing seat 231, a lower synthetic stone 232, a lower heating block 233 and a lower sealing knife 234 sequentially arranged from bottom to top, the lower sealing knife fixing seat 231 is fixed at the bottom of the C-shaped seat 21 and is located at one side of the two sealing head guide posts 25 near the opening of the C-shaped seat 21, a heating tube is arranged in the lower heating block 233, the upper sealing knife assembly 24 includes an upper sealing knife fixing seat 241, an upper synthetic stone 242, an upper heating block 243 and an upper sealing knife 244 sequentially arranged from top to bottom, the upper sealing knife fixing seat 241 is slidingly assembled on the two sealing head guide posts 25, specifically, the upper sealing knife fixing seat 241 is slidingly assembled on the two sealing head guide posts 25 through two linear bearings, the upper sealing knife fixing seat 241 is provided with mounting holes corresponding to the two linear bearings, the upper heating block 243 is internally provided with a heating tube, and a piston rod of the upper sealing head cylinder 22 penetrates through the C-shaped seat 21 and is connected with the upper sealing knife fixing seat 241, and the upper sealing knife fixing seat 241 is driven by the upper sealing cylinder 22 to reciprocate on the two guide posts 25 so as to realize the sealing and sealing of the sealing knife assembly 23 and the lithium battery soft sealing assembly;
The lower heating block 233 and the upper heating block 243 are respectively provided with a heating pipe mounting hole corresponding to a heating pipe, the heating pipes are fixed in the heating pipe mounting holes through heat conducting glue, the heating pipes are 220V and 300W heating pipes commonly used in the market, and an AC power supply of 220V is externally connected;
in order to achieve good heat conduction efficiency, the lower heating block 233, the lower sealing knife 234, the upper heating block 243 and the upper sealing knife 244 are all made of brass, on the other hand, in order to prevent the heat waste caused by the normal operation of the upper sealing knife component and the lower sealing knife component due to the fact that the temperature is too high, the lower sealing knife fixing seat 231 and the lower heating block 233 are separated by adopting the lower synthetic stone 232, the upper sealing knife fixing seat 241 and the upper heating block 243 are separated by adopting the upper synthetic stone 242, the lower synthetic stone 232 and the upper synthetic stone 242 can have good insulation and heat insulation effects, the lower synthetic stone 232 and the upper synthetic stone 242 are both made of carbon fiber plates, the carbon fiber plates are composite materials made of glass fibers and antistatic high-mechanical-strength resin, and have the characteristics of high temperature resistance (3500 ℃ in a short time), low heat resistance, low water absorption rate, good chemical resistance, static resistance, good dimensional stability, easiness in processing and the like, and the service lives of the lower synthetic stone 232 and the upper synthetic stone 242 can be possibly shortened, therefore, the heat dissipation areas of the upper synthetic stone 242 and the upper synthetic stone 242 can be further reduced by a plurality of heat dissipation grooves corresponding to the heat dissipation areas of the upper synthetic stone and the upper synthetic stone 242;
as shown in fig. 1 and 2, the pallet assembly 3 is vertically disposed between two seal head assemblies 2, the pallet assembly 3 is used for realizing loading and unloading of top sealing of a cylindrical soft-package lithium battery, specifically, the pallet assembly 3 comprises a pallet 31, a loading assembly 32 and an unloading assembly 33, an L-shaped supporting trough 311 formed by a horizontal section and a vertical section is disposed on the pallet 31, a top beam 34 is disposed at an end of the vertical section of the L-shaped supporting trough 311, the top beam 34 and the L-shaped supporting trough 311 are formed with a U-shaped trough 312 with an outward opening, the loading assembly 32 is disposed at a notch of the U-shaped trough 312, and the unloading assembly 33 is disposed at a middle part of the U-shaped trough 312, wherein:
as shown in fig. 5, the charging assembly 32 comprises a lower charging clamp 321, an upper charging clamp 322, a charging cylinder 323 and a first guide rod 324, wherein the lower charging clamp 321 is fixed at the end part of the horizontal section of the L-shaped supporting groove 311, the position of the upper charging clamp 322 corresponds to that of the lower charging clamp 321, the upper charging clamp 322 is movably assembled at the end part of the top beam 34 through the charging cylinder 323 and is positioned right above the lower charging clamp 321, the first guide rod 324 is movably assembled on the top beam 34, the bottom of the first guide rod 324 is fixedly connected with the upper charging clamp 322, and the lower charging clamp 321 is driven by the charging cylinder 323 to be matched with the lower charging clamp 321 so as to clamp a cylindrical soft package lithium battery to be top sealed;
The unloading assembly 33 comprises an unloading lower clamp 331, an unloading upper clamp 332, an unloading air cylinder 333 and a second guide rod 334, wherein the unloading lower clamp 331 is fixed in the middle of the horizontal section of the L-shaped holding groove 311, specifically, the horizontal distance between the unloading lower clamp 331 and the loading lower clamp 321 is L mm, the unloading upper clamp 332 is movably assembled in the middle of the top beam 34 through the unloading air cylinder 333 and is positioned right above the unloading lower clamp 331, the second guide rod 334 is movably assembled on the top beam 34, the bottom of the second guide rod 334 is fixedly connected with the unloading upper clamp 332, and the unloading lower clamp 331 is driven to be matched with the unloading lower clamp 331 through the unloading air cylinder 333 to clamp the packaged cylindrical soft package lithium battery;
Preferably, the supporting plate 31 is made of aluminum alloy, and the lower loading clamp 321, the upper loading clamp 322, the lower unloading clamp 331 and the upper unloading clamp 332 are made of FR-4 glass fiber materials;
in order to facilitate disassembly and maintenance, the supporting plate 31 is detachably connected with the top beam 34, and the top beam 34 is fixed at the end part of the vertical section of the supporting plate 31 in a bolt fixing manner;
in order to observe the running state of the equipment in real time and to facilitate maintenance, the side plate of the C-shaped seat 21 is provided with an observation hole, which is beneficial for a worker to observe the running state of the inside of the end socket assembly 2 and the supporting plate assembly 3, and can also be used as an maintenance hole;
As shown in fig. 4, the lifting assembly 4 is located below the workbench 1 and corresponds to the pallet assembly 3, and comprises a pair of lifting cylinders 41, a cylinder fixing seat 42 and a lifting platform 43, wherein the two lifting cylinders 41 are fixed on the bottom surface of the cylinder fixing seat 42, a plurality of vertical lifting guide posts 44 are arranged between the cylinder fixing seat 42 and the workbench 1, the lifting platform 43 is slidably assembled on the plurality of lifting guide posts 44, the lifting platform 43 is slidably assembled on the lifting guide posts 44 through linear bearings, the lifting platform 43 is provided with a plurality of bearing mounting holes corresponding to the linear bearings, the lifting guide posts 44 are 4 in number and are arranged in a rectangular array, piston rods of the two lifting cylinders 41 penetrate through the cylinder fixing seat 42 and are fixedly connected with the lifting platform 43, a sliding table 45 is slidably assembled on the lifting platform 43, in particular, a group of parallel sliding rails 431 are arranged on the lifting platform 43 along the length direction of the guide slots 11, a group of sliding rails 431 are matched with sliding grooves are arranged at the bottom of the sliding table 45, the sliding table 45 are slidably assembled on the sliding rails 431 through a group of sliding grooves 31, the sliding table 11 are movably assembled in the guide slots 11 and fixedly connected through the sliding guide slots 11 and penetrate through the sliding tables 45, and the lifting guide slots 41 are vertically arranged in a rectangular array, and the lifting guide posts 31 are driven to reciprocate along the directions along the lifting direction of the lifting guide posts 43 and the pallet assembly 31;
As shown in fig. 4, the guide cylinder 5 is fixed on the lifting platform 43 along the length direction of the guide groove 11, the piston rod of the guide cylinder 5 is fixedly connected with the sliding table 45, the guide cylinder 5 drives the sliding table 45 to reciprocate along the direction of the sliding rail 431 (that is, along the direction of the guide groove 11), so that the sliding table 45 drives the supporting plate 31 to reciprocate in the guide groove 11, the supporting plate component 3 sequentially carries out loading, double-head top sealing and unloading of the cylindrical soft-packed lithium battery, and in order to facilitate the control of the stroke of the guide cylinder 5, the guide cylinder 5 should adopt a cylinder with the maximum stroke matched with the distance L mm between the loading component 32 and the unloading component 33, that is, preferably adopts a cylinder with the maximum stroke L mm, so that the setting can ensure that the loading component 32 is positioned at the loading position, the unloading component 33 is positioned at the packaging position, the loading component 32 is positioned at the packaging position, and the unloading component 33 is positioned at the unloading position when the minimum stroke of the guide cylinder 5;
As shown in fig. 2 and 6, the discharging hopper 6 is obliquely arranged at one side of the seal head assembly 2 and corresponds to the discharging assembly 33, and due to the oblique arrangement, an acute angle θ is formed between the discharging hopper 6 and the top surface of the workbench 1, preferably, θ is larger than or equal to 5 ° and smaller than or equal to 15 °, specifically, the position of the discharging hopper 6 should correspond to the position when the pallet assembly 3 is discharged, and when the discharging assembly 33 is at the discharging position, the discharging hopper 6 should be right opposite to the discharging assembly 33;
As shown in fig. 2 and 3, the purge head 7 is located at the other side of the pallet assembly 3 and is opposite to the discharging hopper 6, the purge head 7 is externally connected with a compressed air pipeline of 0.4MPa, when the discharging assembly 33 is located at the discharging position, the purge head 7 faces the discharging assembly 33 at the opposite side of the discharging hopper 6, and the discharging lower clamp 331 and the discharging upper clamp 332 of the discharging assembly 33 are opened once, and the packaged cylindrical soft package lithium battery is blown onto the discharging hopper 6 for discharging by pulse blowing of the purge head 7;
In practical application, an air circuit system is matched with all the cylinders, a seal head cylinder 22, a charging cylinder 323, a discharging cylinder 333, two lifting cylinders 41, a guide cylinder 5 and a purging head 7 are respectively communicated with the air circuit system, the start, stop and action of each cylinder are controlled in an overall mode through a PLC (programmable logic controller) connected with the air circuit system, a corresponding control program is arranged in the PLC, a foot switch connected with the PLC is arranged as a start switch of a packaging period, heating pipes in a lower heating block 233 and an upper heating block 243 are also used for controlling heating temperature through the PLC, a temperature controller electrically connected with the PLC is arranged for controlling the temperature of the heating pipes, the temperature of the heating pipes is controlled at about 200 ℃ for realizing heat sealing of double ends of a cylindrical soft package lithium battery, and the control program included in the PLC belongs to common prior art and is not limited;
When the heating pipe is actually put into use, a touch screen can be configured for displaying the temperature and the power supply state of the heating pipe, and an emergency stop button is integrated on the touch screen and is used for coping with emergency.
Working principle: when the double-end top sealing device for the cylindrical soft package lithium battery is actually used, the double-end top sealing device is automatically controlled through a control program set by a PLC, the strokes (namely the height and the position of a supporting plate 31 and the heights of two upper sealing knife assemblies 24) of two lifting cylinders 41, a material guide cylinder 5 and two sealing knife assemblies 22 are controlled, so that the upper sealing knife assemblies and the lower sealing knife assemblies are opened, a charging assembly 32 on the supporting plate assembly 3 is positioned outside the two sealing knife assemblies 2 and higher than a lower sealing knife 234, the position of the charging assembly 32 is a material loading position, the position of a discharging assembly 33 is a material packaging position, a heating pipe is started to heat a lower heating block 233 and an upper heating block 243, after the temperature requirement of about 200 ℃ is met, the cylindrical soft package lithium battery to be packaged is loaded on the material loading position, the cylindrical soft package lithium battery to be packaged with an aluminum plastic film is horizontally placed on a material loading lower fixture 321, and a foot pedal switch is started to start an automatic packaging period, and the automatic packaging period is sequentially passed:
The charging cylinder 323 drives the upper charging clamp 322 to clamp the cylindrical soft-package lithium battery, and the discharging cylinder 333 drives the upper discharging clamp 332 to move downwards;
The guide cylinder 5 drives the supporting plate 31 to move in the guide groove 11, so that the charging assembly 32 moves to the packaging position, the discharging assembly 33 follows, after the supporting plate 31 moves to the packaging position with the charging assembly 32, the position of the discharging assembly 33 is the discharging position, and the purging head 7 purges the discharging assembly 33;
The lifting cylinder 41 drives the lifting platform 43 to descend, and the supporting plate 31 drives the loading assembly 32 and the unloading assembly 33 to descend, so that the axis of the cylindrical soft-package lithium battery is just flush with the lower sealing knife 234;
The two seal head cylinders 22 drive the two upper seal cutter assemblies 24 to move downwards simultaneously, and the lower seal cutter 234 and the upper seal cutter 244 are closed to realize the simultaneous heat sealing of the two ends of the cylindrical soft-package lithium battery;
After the heat sealing is finished, the charging cylinder 323 drives the upper charging clamp 322 to open the charging assembly 32, and at the moment, two ends of the cylindrical soft-packed lithium battery are pressed by the two end socket assemblies 2;
The lifting cylinder 41 drives the lifting platform 43 to further descend, the supporting plate 31 drives the loading assembly 32 to descend, the unloading assembly 33 follows, the loading lower clamp 321 is separated from the cylindrical soft-package lithium battery, and meanwhile, the loading upper clamp 322 is higher than the cylindrical soft-package lithium battery and cannot interfere with the cylindrical soft-package lithium battery;
The guide cylinder 5 drives the supporting plate 31 to move in the guide groove 11, so that the charging assembly 32 moves from the packaging position to the charging position, the discharging assembly 33 moves from the discharging position to the packaging position in a follow-up manner, so that the charging assembly 32 is positioned on the charging position, the discharging assembly 33 is positioned on the packaging position, and the discharging lower clamp 331 is positioned right below the cylindrical soft-packaged lithium battery;
The lifting cylinder 41 drives the lifting platform 43 to lift, and the supporting plate 31 lifts with the loading component 32 and the unloading component 33, so that the unloading lower fixture 331 just supports the cylindrical soft-package lithium battery;
The two seal head cylinders 22 drive the two upper seal cutter assemblies 24 to move upwards simultaneously, and the lower seal cutter 234 and the upper seal cutter 244 are opened;
the lifting cylinder 41 drives the lifting platform 43 to further lift, so that the unloading lower fixture 331 supports the packaged cylindrical soft-package lithium battery to complete a packaging period;
then the next round of loading is carried out on the loading lower clamp 321 positioned at the packaging position, a foot switch is started to carry out the next automatic packaging period, and the difference from the packaging period is that the follow-up discharging assembly 33 brings the packaged cylindrical soft package lithium battery to the discharging position, and after the cylindrical soft package lithium battery is purged by the purging head 7, the discharging is completed by the discharging hopper 6;
In this way, the cyclic operation is performed, and the continuous packaging operation is performed.
It should be noted that, the left and right actions in the above-mentioned one packaging period are all automatically controlled by a control program set by a PLC, and the control program adopts a common prior art and is not described in detail.
In order to further monitor the packaging quality and prevent short circuit, a short circuit test device can be arranged on one side of the discharging position, and short circuit tests can be carried out on two ends of the packaged cylindrical soft-package lithium battery positioned on the discharging position.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (10)
1. Double-end top sealing device for cylinder soft package lithium cell, its characterized in that includes:
The device comprises a workbench (1), wherein a guide chute (11) is arranged on the workbench (1);
The sealing head assemblies (2) are positioned on the top surface of the workbench (1) and are oppositely arranged on two sides of the guide chute (11) and used for heat-sealing the double heads of the cylindrical soft-package lithium battery;
The support plate assembly (3) is vertically arranged between the two end socket assemblies (2) and is used for realizing the loading and unloading of the top seal of the cylindrical soft-package lithium battery, the support plate assembly (3) comprises a support plate (31), a loading assembly (32) and an unloading assembly (33), an L-shaped supporting groove (311) formed by a horizontal section and a vertical section is arranged on the support plate (31), a top beam (34) is arranged at the end part of the vertical section of the L-shaped supporting groove (311), U-shaped grooves (312) with outwards-opened openings are formed in the top beam (34) and the L-shaped supporting groove (311), the loading assembly (32) is arranged at the notch of the U-shaped grooves (312), and the unloading assembly (33) is arranged at the middle part of the U-shaped grooves (312);
The lifting assembly (4) is positioned below the workbench (1) and corresponds to the supporting plate assembly (3), the lifting assembly (4) comprises a pair of lifting cylinders (41), cylinder fixing seats (42) and lifting platforms (43), two lifting cylinders (41) are fixed on the bottom surface of the cylinder fixing seats (42), a plurality of vertical lifting guide posts (44) are arranged between the cylinder fixing seats (42) and the workbench (1), the lifting platforms (43) are slidingly assembled on the lifting guide posts (44), piston rods of the two lifting cylinders (41) penetrate through the cylinder fixing seats (42) and are fixedly connected with the lifting platforms (43), sliding tables (45) are slidingly assembled on the lifting platforms (43), and the supporting plates (31) are movably assembled in the guide grooves (11) and are fixedly connected with the sliding tables (45) through the guide grooves (11).
A guide cylinder (5) fixed on the lifting platform (43) along the length direction of the guide groove (11), wherein a piston rod of the guide cylinder (5) is fixedly connected with the sliding table (45);
the discharging hopper (6) is obliquely arranged at one side of the seal head assembly (2) and corresponds to the supporting plate assembly (3);
And the purging head (7) is arranged at the other side of the supporting plate assembly (3) and is opposite to the discharging hopper (6).
2. The double-ended capping device for a cylindrical soft-package lithium battery according to claim 1, wherein: the single seal head assembly (2) comprises a C-shaped seat (21), a seal head cylinder (22), a lower seal cutter assembly (23) and an upper seal cutter assembly (24), a pair of seal head guide posts (25) are vertically arranged in an opening of the C-shaped seat (21), the seal head cylinder (22) is fixed at the center of the top of the C-shaped seat (21), the lower seal cutter assembly (23) is located on one side, close to the opening of the C-shaped seat (21), of the two seal head guide posts (25), the upper seal cutter assembly (24) is slidingly assembled on the two seal head guide posts (25) and located right above the lower seal cutter assembly (23), and a piston rod of the seal head cylinder (22) penetrates through the C-shaped seat (21) to be connected with the upper seal cutter assembly (24).
3. The double-ended capping device for a cylindrical soft-package lithium battery according to claim 2, wherein: the lower sealing cutter assembly (23) comprises a lower sealing cutter fixing seat (231), a lower synthetic stone (232), a lower heating block (233) and a lower sealing cutter (234) which are sequentially arranged from bottom to top, wherein the lower sealing cutter fixing seat (231) is fixed at the bottom of the C-shaped seat (21), and a heating tube is arranged in the lower heating block (233).
4. The double-ended capping device for a cylindrical soft-package lithium battery according to claim 3, wherein: the upper sealing cutter assembly (24) comprises an upper sealing cutter fixing seat (241), an upper synthetic stone (242), an upper heating block (243) and an upper sealing cutter (244) which are sequentially arranged from top to bottom, the upper sealing cutter fixing seat (241) is slidably assembled on the two sealing head guide posts (25), a heating pipe is arranged in the upper heating block (243), and a piston rod of the sealing head cylinder (22) penetrates through the C-shaped seat (21) to be connected with the upper sealing cutter fixing seat (241).
5. The double-ended capping device for a cylindrical soft-pack lithium battery according to claim 4, wherein: the lower heating block (233), the lower sealing knife (234), the upper heating block (243) and the upper sealing knife (244) are all made of brass.
6. The double-ended capping device for a cylindrical soft-pack lithium battery according to claim 4, wherein: the lower heating block (233) and the upper heating block (243) are respectively provided with a mounting hole corresponding to the heating tube, and the heating tube is fixed in the mounting hole through heat conducting glue.
7. The double-ended capping device for a cylindrical soft-pack lithium battery according to claim 4, wherein: the lower synthetic stone (232) and the upper synthetic stone (242) are made of carbon fiber plates.
8. The double-ended capping device for a cylindrical soft-package lithium battery according to claim 1, wherein: the feeding assembly (32) comprises a feeding lower clamp (321), a feeding upper clamp (322), a feeding air cylinder (323) and a first guide rod (324), wherein the feeding lower clamp (321) is fixed at the end part of the horizontal section of the L-shaped supporting groove (311), the feeding upper clamp (322) is movably assembled at the end part of the top beam (34) through the feeding air cylinder (323) and is positioned right above the feeding lower clamp (321), and the first guide rod (324) is movably assembled on the top beam (34) and is fixedly connected with the feeding upper clamp (322) at the bottom.
9. The double-ended capping device for a cylindrical soft-package lithium battery according to claim 1, wherein: the discharging assembly (33) comprises a discharging lower clamp (331), a discharging upper clamp (332), a discharging cylinder (333) and a second guide rod (334), wherein the discharging lower clamp (331) is fixed at the middle part of the horizontal section of the L-shaped supporting groove (311), the discharging upper clamp (332) is movably assembled at the middle part of the top beam (34) through the discharging cylinder (333) and is positioned right above the discharging lower clamp (331), the second guide rod (334) is movably assembled on the top beam (34), and the bottom of the second guide rod is fixedly connected with the discharging upper clamp (332).
10. The double-ended capping device for a cylindrical soft-package lithium battery according to claim 1, wherein: an acute angle theta is formed between the discharging hopper (6) and the top surface of the workbench (1), and the angle theta is more than or equal to 5 degrees and less than or equal to 15 degrees.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110464397.XA CN113161598B (en) | 2021-04-28 | 2021-04-28 | Double-end top sealing device for cylindrical soft-package lithium battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110464397.XA CN113161598B (en) | 2021-04-28 | 2021-04-28 | Double-end top sealing device for cylindrical soft-package lithium battery |
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| CN113161598B true CN113161598B (en) | 2024-05-31 |
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| CN214753873U (en) * | 2021-04-28 | 2021-11-16 | 荆门市荆科自动化电池设备有限公司 | Double-end top sealing device for cylindrical soft package lithium battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0471661A1 (en) * | 1990-08-13 | 1992-02-19 | ELBAK Batteriewerke Gesellschaft m.b.H. | Apparatus for assembling of plates and separators into plate groups for storage batteries |
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