CN114628793B - High-precision seal mechanism for cell aluminum plastic film - Google Patents
High-precision seal mechanism for cell aluminum plastic film Download PDFInfo
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- CN114628793B CN114628793B CN202210334734.8A CN202210334734A CN114628793B CN 114628793 B CN114628793 B CN 114628793B CN 202210334734 A CN202210334734 A CN 202210334734A CN 114628793 B CN114628793 B CN 114628793B
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 239000002985 plastic film Substances 0.000 title claims abstract description 10
- 229920006255 plastic film Polymers 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 89
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/471—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof
- H01M50/48—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof characterised by the material
- H01M50/483—Inorganic material
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention provides a high-precision seal mechanism for an electric core aluminum plastic film, which comprises the following components: the first fixing plate is fixedly provided with a lifting cylinder; the first sealing device is arranged below the first fixing plate and comprises a first sealing frame body, a first cavity is arranged in the first sealing frame body, and a first clamping assembly is arranged in the first cavity and used for clamping the top end of the workpiece; the second sealing device is correspondingly arranged below the first sealing device and comprises a second sealing frame body, a second cavity is arranged in the second sealing frame body, a second clamping assembly is arranged in the second cavity and used for clamping the bottom end of the workpiece, and the first cavity and the second cavity jointly enclose a sealing cavity; the second fixing plate is fixedly arranged at the bottom of the second sealing device, and the bottom of the second fixing plate is provided with a vacuumizing device for vacuumizing the sealing cavity.
Description
Technical Field
The invention belongs to the technical field of plastic-aluminum film sealing, and particularly relates to a high-precision sealing mechanism for a battery cell plastic-aluminum film.
Background
Currently, with advances in technology and applications of electronic devices, lithium batteries have been used in various aspects of life. The manufacturing process of the flaky lithium battery generally comprises the following steps: stirring, coating, cold pressing, cutting, winding (or laminating), liquid injection, formation, capacity and the like.
The battery cells of lithium batteries are typically packaged using aluminum plastic films. The traditional packaging mode of the aluminum plastic film is to heat the upper end socket and the lower end socket, so that the opening edges of the aluminum plastic film are combined in a hot pressing mode. The traditional seal head is fixed on the frame, and the seal head is opened or closed by moving up and down; however, the existing upper and lower seal heads have poor contact closing effect, so that part of edges of the aluminum plastic film cannot be well combined to be closed, and the sealing effect is not ideal.
Disclosure of Invention
The invention provides a high-precision seal mechanism for an electric core aluminum plastic film, which solves the problems.
The technical scheme of the invention is realized as follows: high-accuracy seal mechanism of electric core plastic-aluminum membrane includes:
the first fixing plate is fixedly provided with a lifting cylinder;
The sealing cavity is jointly enclosed by the first sealing device and the second sealing device when the first sealing device and the second sealing device are abutted;
The first sealing device is arranged below the first fixing plate and comprises a first sealing frame body, the top of the first sealing frame body is fixedly connected with the telescopic column of the lifting cylinder, a first cavity is arranged in the first sealing frame body, and a first clamping assembly is arranged in the first cavity and used for clamping the top end of a workpiece;
the second sealing device is correspondingly arranged below the first sealing device and comprises a second sealing frame body, a second cavity is arranged in the second sealing frame body, and a second clamping assembly is arranged in the second cavity and used for clamping the bottom end of the workpiece;
the second fixing plate is fixedly arranged at the bottom of the second seal device, and a vacuumizing device is arranged at the bottom of the second fixing plate and used for vacuumizing the sealed cavity;
the first clamping assembly and the second clamping assembly are both provided with heating wires for carrying out hot melting on the workpiece.
As a preferred implementation mode, a plurality of first guide sleeves penetrate through the first fixing plate, the first guide sleeves are arranged in a hollow mode, first guide columns penetrate through the first guide sleeves, and the bottom ends of the first guide columns are fixedly connected with the first seal frame body.
As a preferred implementation mode, the first seal support body is rectangular with downward opening, the bottom surface of the first seal support body is provided with a step convex part, a sealing ring is sleeved outside the step convex part, a baffle plate is arranged in the middle of the first cavity, and the first clamping components comprise two identical groups and are respectively arranged on two sides of the baffle plate.
As a preferred embodiment, the first clamping assembly comprises:
The first pushing cylinder is fixedly arranged on the outer side of the first seal frame body;
The first clamping outer plates comprise two identical clamping outer plates, one of the first clamping outer plates is arranged close to the baffle plate, the other first clamping outer plate is arranged far away from the baffle plate, and the first clamping outer plate far away from the baffle plate is fixedly connected with the telescopic column of the first propulsion cylinder;
The first clamping inner plate comprises two identical clamping inner plates which are correspondingly arranged on the inner side of the first clamping outer plate.
As a preferred embodiment, the first clamping assembly further comprises a first fixing seat, the first fixing seat is arranged on one side of the end portion of the first clamping outer plate, the first fixing seat and the first sealing frame body are fixedly connected, three first fixing blocks are fixedly arranged on the first fixing seat, one of the first fixing blocks is located in the middle, the other two first fixing blocks are located on two sides respectively, a first connecting shaft is arranged in the first fixing blocks in a penetrating mode, the end portion of the first clamping outer plate and the first connecting shaft are connected in a sliding mode, and the two first clamping outer plates are connected through connecting strips.
As a preferred embodiment, the connecting strips comprise two identical connecting strips, the two connecting strips are crossed to form a cross, the cross part of the two connecting strips is fixedly connected with a first fixing block positioned in the middle, two ends of the connecting strips are respectively fixedly connected with the first fixing blocks positioned on two sides, a sliding opening is formed in the connecting strips, a first sliding block is arranged in the sliding opening in a sliding mode, and the first sliding block is fixedly connected with the first clamping outer plate.
As a preferred implementation mode, the second seal support body is rectangular setting that the opening is upwards, and the top surface of second seal support body is the ladder recess, blocks mutually between ladder convex part and the ladder recess, first cavity and second cavity enclose jointly sealed cavity, evacuating device includes vacuum generator and evacuation pipeline, and the evacuation pipeline includes two ports, is linked together the setting between respectively and the second cavity.
As a preferred embodiment, the second clamping assembly comprises two identical sets, the second clamping assembly comprising:
the second propelling cylinder is fixedly arranged on the outer side of the second seal frame body;
the second clamping outer plate is arranged on one side close to the second propulsion cylinder, and the second clamping outer plate is fixedly connected with the telescopic column of the second propulsion cylinder;
the second clamping inner plate is arranged on one side far away from the second propulsion cylinder.
As a preferred embodiment, the second clamping assembly further comprises a second fixing seat, the second fixing seat is arranged on one side of the end parts of the second clamping outer plate and the second clamping inner plate, the second fixing seat is fixedly connected with the second sealing frame body, a sliding rail, a second connecting shaft and a third connecting shaft are sequentially arranged in the second fixing seat in a penetrating mode from top to bottom, a second sliding block is fixedly arranged at the top of two ends of the second clamping outer plate, the second sliding block is arranged in a sliding mode between the second sliding block and the sliding rail, a second supporting block is fixedly arranged at the bottom of the second clamping outer plate, the second supporting block penetrates through the second connecting shaft, a third sliding block is fixedly arranged at the top of two ends of the second clamping inner plate, the third sliding block is arranged in a sliding mode between the third sliding block and the sliding rail, and the third supporting block penetrates through the third connecting shaft.
As a preferred implementation mode, the second clamping assembly further comprises a driving seat body, the driving seat body is arranged between the two second clamping inner plates, a second fixing block is fixedly arranged on the driving seat body and is in triangular arrangement, two side faces of the second fixing block are in inward sunken arc-shaped arrangement, a plurality of clamping grooves are formed in the inner side of the second clamping inner plates, rollers are arranged in the clamping grooves, two ends of the rollers are in bearing connection with the clamping grooves, rolling connection is arranged between the side faces of the rollers and the side faces of the second fixing block, a driving cylinder is fixedly arranged at the bottom of the second fixing plate, and after the telescopic column of the driving cylinder penetrates through the second fixing plate, the driving seat body is fixedly connected with the driving seat body.
After the technical scheme is adopted, the invention has the beneficial effects that:
1. According to the invention, the lifting cylinder is used for controlling the first sealing device to move up and down relative to the second sealing device, the first clamping assembly clamps the top end of a workpiece, the first clamping assembly moves downwards under the drive of the first sealing device, after the workpiece enters the second sealing device, the second clamping assembly clamps the bottom end of the workpiece, at the moment, the bottom surface of the first sealing device is abutted against the top surface of the second sealing device, the first cavity and the second cavity jointly enclose a sealing cavity, and meanwhile, the vacuumizing device performs vacuumizing treatment on the second cavity, namely, performs vacuumizing treatment on the sealing cavity, so that the hot melting of the workpiece is performed under the condition of vacuum.
2. According to the invention, the first clamping outer plate is pushed by the first pushing cylinder to clamp the workpiece, and the clamping process is that when the first pushing cylinder pushes the first clamping outer plate to move inwards, the first sliding block slides in the sliding port, and as the two connecting strips are hinged, the two first clamping outer plates move inwards simultaneously, and the workpiece is clamped and fixed by the first clamping inner plate.
3. According to the invention, the second pushing cylinder pushes the second clamping outer plate and the second clamping inner plate to clamp the workpiece, the second pushing cylinder pushes the second clamping outer plate to move inwards, meanwhile, the driving cylinder pushes the second fixing seat to move upwards, the second fixing block moves upwards along with the second fixing seat, the second clamping outer plate and the second clamping inner plate are mutually close to each other until the workpiece is clamped under the action of the roller and the second fixing block, and at the moment, the first clamping outer plate, the second clamping outer plate and the second clamping inner plate jointly enclose the sealing chamber, so that the tightness of the hot melting process is improved, and the precision of seal is improved.
4. The invention ensures the balance of downward movement of the first seal device through the first guide post, the top of the second fixing plate is provided with the second guide sleeve which is hollow, the second guide post is arranged in the second guide sleeve in a penetrating way, the second guide sleeve is arranged in the second fixing seat in a penetrating way and used for guiding the lifting of the second fixing seat and determining that the two second clamping inner plates move simultaneously, and the seal precision is further improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of a first seal device;
FIG. 3 is a schematic view of the structure of the first seal frame;
FIG. 4 is a schematic view of a first clamping assembly;
FIG. 5 is a schematic structural view of the first fixing base;
FIG. 6 is a schematic structural view of a second seal device;
FIG. 7 is another schematic structural view of the second seal device;
FIG. 8 is a schematic structural view of a second clamping assembly;
FIG. 9 is another schematic structural view of a second clamping assembly;
Fig. 10 is a schematic diagram of a mechanism for driving the base.
In the figure, 1-a first fixing plate; 2-lifting air cylinders; 3-a first seal frame body; 4-a first clamping assembly; 5-a second seal frame body; 6-a second clamping assembly; 7-vacuumizing device; 8-driving a cylinder; 9-a second fixing plate; 10-a first guide sleeve; 11-a first guide post; 30-a first cavity; 31-baffle plates; 32-step protrusions; 40-a first clamped outer plate; 41-a first clip inner panel; 42-a first propulsion cylinder; 43-a first fixing base; 44-a first fixed block; 45-a first connecting shaft; 46-connecting strips; 47-sliding opening; 48-a first slider; 50-a second cavity; 51-a second fixing seat; 52-a second fixed block; 53-a second guide sleeve; 54-a second guide post; 55-driving the seat body; 56-a step groove; 60-a second clamped outer plate; 61-second clamping the inner plate; 62-a second propulsion cylinder; 63-a second connecting shaft; 64-a third connecting shaft; 65-slide rails; 66-a second slider; 67-a third slider; 68-a second support block; 69-a third support block; 611-a roller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
According to the drawings from fig. 1 to 10, a high-precision seal mechanism for a cell aluminum plastic film comprises:
A first fixing plate 1 on which a lifting cylinder 2 is fixedly provided;
the sealing cavity is defined by the first sealing device and the second sealing device when the first sealing device and the second sealing device are abutted;
The first sealing device is arranged below the first fixing plate 1 and comprises a first sealing frame body 3, the top of the first sealing frame body 3 is fixedly connected with the telescopic column of the lifting cylinder 2, a first cavity 30 is arranged in the first sealing frame body 3, and a first clamping component 4 is arranged in the first cavity 30 and used for clamping the top end of a workpiece;
The second sealing device is correspondingly arranged below the first sealing device and comprises a second sealing frame body 5, a second cavity 50 is arranged in the second sealing frame body 5, and a second clamping assembly 6 is arranged in the second cavity 50 and used for clamping the bottom end of a workpiece;
the second fixed plate 9 is fixedly arranged at the bottom of the second seal device, and a vacuumizing device 7 is arranged at the bottom of the second fixed plate 9 and used for vacuumizing the sealed cavity.
The first fixing plate 1 is provided with a plurality of first guide sleeves in a penetrating mode, the first guide sleeves are arranged in a hollow mode, first guide columns are arranged in the first guide sleeves in a penetrating mode, and the bottom ends of the first guide columns are fixedly connected with the first seal frame body 3.
The first seal support body 3 is the rectangular setting of opening decurrent, the middle part of first cavity 30 is provided with keeps off baffle 31, first clamping assembly 4 includes the same two sets of, sets up respectively in the both sides that keep off baffle 31.
The first clamping assembly 4 comprises:
A first pushing cylinder 42 fixedly arranged outside the first sealing device;
The first clamping outer plates 40 comprise two identical clamping outer plates, wherein one first clamping outer plate 40 is arranged close to the baffle plate 31, the other first clamping outer plate 40 is arranged far away from the baffle plate 31, and the first clamping outer plate 40 far away from the baffle plate 31 is fixedly connected with telescopic columns of the first propulsion air cylinders 42;
The first sandwiching inner plate 41, including the same two, is provided correspondingly inside the first sandwiching outer plate 40.
The first clamping assembly 4 further comprises a first fixing seat 43, the first fixing seat 43 is arranged on one side of the end portion of the first clamping outer plate 40, the first fixing seat 43 and the first seal frame body 3 are fixedly connected, three first fixing blocks 44 are fixedly arranged on the first fixing seat 43, one of the first fixing blocks is located in the middle, the other two first fixing blocks are located on two sides respectively, a first connecting shaft 45 is arranged in the first fixing blocks in a penetrating mode, the end portion of the first clamping outer plate 40 and the first connecting shaft 45 are arranged in a sliding mode, and the two first clamping outer plates 40 are connected through a connecting strip 46.
The connecting strips 46 comprise two identical connecting strips 46, the two connecting strips 46 are crossed to form a cross, the crossed part of the two connecting strips 46 and the first fixing blocks 44 positioned in the middle are fixedly connected, two ends of each connecting strip 46 are respectively fixedly connected with the first fixing blocks 44 positioned on two sides, a sliding opening 47 is formed in each connecting strip 46, a first sliding block 48 is arranged in each sliding opening 47 in a sliding mode, and the first sliding blocks 48 are fixedly connected with the first clamping outer plate 40.
The second seal support body is the ascending rectangle setting of opening, and the bottom surface of first seal support body is provided with the ladder convex part, and the outside cover of ladder convex part is equipped with the sealing washer, and the top surface of second seal support body is provided with the ladder recess, block mutually between ladder convex part and the ladder recess, and evacuating device 7 includes vacuum generator and evacuation pipeline, and the evacuation pipeline includes two ports, respectively with be linked together the setting between the second cavity 50.
The second clamping assembly 6 comprises two identical sets, the second clamping assembly 6 comprising:
The second pushing cylinder 62 is fixedly arranged on the outer side of the second seal frame body 5;
The second clamping outer plate 60 is arranged on one side close to the second propulsion cylinder 62, and the second clamping outer plate 60 and a telescopic column of the second propulsion cylinder 62 are fixedly connected;
the second clamp inner plate 61 is provided on a side away from the second propulsion cylinder 62.
The second clamping assembly 6 further comprises a second fixing seat 51, the second fixing seat 51 is arranged on one side of the end portions of the second clamping outer plate 60 and the second clamping inner plate 61, the second fixing seat 51 is fixedly connected with the second sealing frame body 5, a sliding rail 65, a second connecting shaft 63 and a third connecting shaft 64 are sequentially arranged in the second fixing seat 51 in a penetrating mode from top to bottom, a second sliding block 66 is fixedly arranged at the top of the two ends of the second clamping outer plate 60, the second sliding block 66 and the sliding rail 65 are in sliding connection, a second supporting block 68 is fixedly arranged at the bottom of the second clamping outer plate 60, the second supporting block 68 penetrates through the second connecting shaft 63, a third sliding block 67 is fixedly arranged at the top of the two ends of the second clamping inner plate 61, the third sliding block 67 is in sliding connection with the sliding rail 65, a third supporting block 69 is fixedly arranged at the bottom of the second clamping outer plate 60, and the third supporting block 69 penetrates through the third connecting shaft 64.
The second clamping assembly 6 further comprises a driving seat body 55, the driving seat body 55 is arranged between the two second clamping inner plates 61, a second fixing block 52 is fixedly arranged on the driving seat body 55, the second fixing block 52 is in a triangular shape, two side faces of the second fixing block 52 are in an inward concave arc shape, a plurality of clamping grooves are formed in the inner sides of the second clamping inner plates 61, rollers 611 are arranged in the clamping grooves, two ends of the rollers 611 are in bearing connection with the clamping grooves, rolling connection is arranged between the side faces of the rollers 611 and the side faces of the second fixing block 52, driving air cylinders 8 are fixedly arranged at the bottom of the second fixing plate 9, and telescopic columns of the driving air cylinders 8 penetrate through the second fixing plate 9 and are fixedly connected with the driving seat body 55.
In this embodiment, the first clamping inner plate of the first clamping assembly, the second clamping outer plate inner side of the second clamping assembly and the second clamping inner plate outer side are both provided with heating wires for performing hot melting on the workpiece.
According to the invention, the lifting cylinder 2 is used for controlling the first sealing device to move up and down relative to the second sealing device, the first clamping component 4 clamps the top end of a workpiece, the first clamping component 4 is driven by the first sealing device to move downwards, after the workpiece enters the second sealing device, the second clamping component 6 clamps the bottom end of the workpiece, at the moment, the bottom surface of the first sealing frame body is clamped with the top surface of the second sealing frame body, the first cavity body and the second cavity body jointly enclose a sealing cavity, and meanwhile, the vacuumizing device 7 performs vacuumizing treatment on the second cavity body 50, namely, performs vacuumizing treatment on the sealing cavity body, so that the condition of vacuum in the process of hot melting the workpiece is ensured.
According to the invention, the first clamping outer plate 40 is pushed by the first pushing air cylinder 42 to clamp a workpiece, when the first pushing air cylinder pushes the first clamping outer plate 40 to move inwards, the first sliding block 48 slides in the sliding port 47, and as the two connecting strips 46 are hinged, the two first clamping outer plates 40 move inwards at the same time, and the workpiece is clamped and fixed by the first clamping inner plate 41.
The second pushing cylinder 62 pushes the second clamping outer plate 60 and the second clamping inner plate 61 to clamp the workpiece, the second pushing cylinder pushes the second clamping outer plate 60 to move inwards, the driving cylinder 8 pushes the second fixing seat 51 to move upwards, the second fixing block 52 moves upwards along with the second fixing seat 51, the second clamping outer plate 60 and the second clamping inner plate 61 are mutually close to each other until the workpiece is clamped under the action of the roller 611 and the second fixing block 52, and at the moment, the first clamping outer plate 40, the second clamping outer plate 60 and the second clamping inner plate 61 jointly enclose the sealing chamber, so that the tightness of the hot melting process is improved, and the sealing precision is improved.
The invention ensures the downward moving balance of the first seal device through the first guide post, the invention also arranges the second guide sleeve 53 at the top of the second fixed plate 9, the second guide sleeve 53 is arranged in a hollow way, the second guide post 54 is arranged in the second guide sleeve 53 in a penetrating way, the second guide sleeve 53 is arranged in a penetrating way through the second fixed seat 51 and used for guiding the lifting of the second fixed seat 51 and determining the simultaneous movement of the two second clamping inner plates 61, thereby further improving the seal precision.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. High-precision seal mechanism of electric core plastic-aluminum membrane, its characterized in that includes:
the first fixing plate is fixedly provided with a lifting cylinder;
The sealing cavity is jointly enclosed by the first sealing device and the second sealing device when the first sealing device and the second sealing device are abutted;
The first sealing device is arranged below the first fixing plate and comprises a first sealing frame body, the top of the first sealing frame body is fixedly connected with the telescopic column of the lifting cylinder, a first cavity is arranged in the first sealing frame body, and a first clamping assembly is arranged in the first cavity and used for clamping the top end of a workpiece;
the second sealing device is correspondingly arranged below the first sealing device and comprises a second sealing frame body, a second cavity is arranged in the second sealing frame body, and a second clamping assembly is arranged in the second cavity and used for clamping the bottom end of the workpiece;
the second fixing plate is fixedly arranged at the bottom of the second seal device, and a vacuumizing device is arranged at the bottom of the second fixing plate and used for vacuumizing the sealed cavity;
the first clamping assembly and the second clamping assembly are both provided with heating wires for carrying out hot melting on the workpiece;
The second clamping assembly comprises two identical groups, and the second clamping assembly comprises: the second propelling cylinder is fixedly arranged on the outer side of the second seal frame body; the second clamping outer plate is arranged on one side close to the second propulsion cylinder, and the second clamping outer plate is fixedly connected with the telescopic column of the second propulsion cylinder; the second clamping inner plate is arranged at one side far away from the second propulsion cylinder;
The second clamping assembly further comprises a second fixing seat, the second fixing seat is arranged on one side of the end parts of the second clamping outer plate and the second clamping inner plate, the second fixing seat is fixedly connected with the second sealing frame body, a sliding rail, a second connecting shaft and a third connecting shaft are sequentially arranged in the second fixing seat in a penetrating mode from top to bottom, a second sliding block is fixedly arranged at the top of two ends of the second clamping outer plate, the second sliding block is arranged in a sliding mode between the second sliding block and the sliding rail, a second supporting block is fixedly arranged at the bottom of the second clamping outer plate, the second supporting block penetrates through the second connecting shaft, a third sliding block is fixedly arranged at the top of two ends of the second clamping inner plate, a third supporting block is arranged between the third sliding block and the sliding rail in a sliding mode, and the third supporting block penetrates through the third connecting shaft;
The second clamping assembly further comprises a driving seat body, the driving seat body is arranged between the two second clamping inner plates, a second fixing block is fixedly arranged on the driving seat body, the second fixing block is in a triangular shape, two side faces of the second fixing block are in inward sunken arc-shaped arrangement, a plurality of clamping grooves are formed in the inner sides of the second clamping inner plates, rollers are arranged in the clamping grooves, two ends of the rollers are in bearing connection with the clamping grooves, the side faces of the rollers are in rolling connection with the side faces of the second fixing block, a driving air cylinder is fixedly arranged at the bottom of the second fixing plate, and after a telescopic column of the driving air cylinder penetrates through the second fixing plate, the driving air cylinder is fixedly connected with the driving seat body;
the top of second fixed plate is provided with the second uide bushing, the second uide bushing is the cavity setting, run through in the second uide bushing and be provided with the second guide post, the second uide bushing runs through the setting of second fixing base.
2. The high-precision battery cell plastic-aluminum membrane sealing mechanism according to claim 1, wherein a plurality of first guide sleeves are arranged on the first fixing plate in a penetrating mode, the first guide sleeves are arranged in a hollow mode, first guide columns are arranged in the first guide sleeves in a penetrating mode, and the bottom ends of the first guide columns are fixedly connected with the first sealing frame body.
3. The high-precision battery cell plastic-aluminum membrane sealing mechanism according to claim 1, wherein the first sealing frame body is rectangular with a downward opening, a stepped convex part is arranged on the bottom surface of the first sealing frame body, a sealing ring is sleeved on the outer side of the stepped convex part, a baffle plate is arranged in the middle of the first cavity body, and the first clamping assemblies comprise two identical groups and are respectively arranged on two sides of the baffle plate.
4. The high-precision seal mechanism of a cell aluminum plastic film according to claim 3, wherein the first clamping assembly comprises: the first pushing cylinder is fixedly arranged on the outer side of the first seal frame body; the first clamping outer plates comprise two identical clamping outer plates, one of the first clamping outer plates is arranged close to the baffle plate, the other first clamping outer plate is arranged far away from the baffle plate, and the first clamping outer plate far away from the baffle plate is fixedly connected with the telescopic column of the first propulsion cylinder; the first clamping inner plate comprises two identical clamping inner plates which are correspondingly arranged on the inner side of the first clamping outer plate.
5. The high-precision battery cell plastic-aluminum membrane sealing mechanism according to claim 4, wherein the first clamping assembly further comprises a first fixing seat, the first fixing seat is arranged on one side of the end portion of the first clamping outer plate, the first fixing seat is fixedly connected with the first sealing frame body, three first fixing blocks are fixedly arranged on the first fixing seat, one of the first fixing blocks is located in the middle, the other two first fixing blocks are respectively located on two sides, a first connecting shaft penetrates through the first fixing blocks, sliding connection is arranged between the end portion of the first clamping outer plate and the first connecting shaft, and the two first clamping outer plates are connected through connecting strips.
6. The high-precision seal mechanism of the battery cell plastic-aluminum film according to claim 5, wherein the connecting strips comprise two identical connecting strips, the two connecting strips are crossed to form a cross shape, the crossed part of the two connecting strips and the first fixing block positioned in the middle are fixedly connected, two ends of the connecting strips are respectively fixedly connected with the first fixing blocks positioned on two sides, sliding ports are formed in the connecting strips, first sliding blocks are arranged in the sliding ports in a sliding mode, and the first sliding blocks are fixedly connected with the first clamping outer plates.
7. The high-precision battery cell plastic-aluminum membrane sealing mechanism according to claim 3, wherein the second sealing frame body is rectangular with an upward opening, the top surface of the second sealing frame body is a step groove, the step convex part and the step groove are clamped, the first cavity and the second cavity jointly enclose the sealed cavity, the vacuumizing device comprises a vacuum generator and a vacuumizing pipeline, the vacuumizing pipeline comprises two ports, and the two ports are respectively communicated with the second cavity.
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| CN202210334734.8A CN114628793B (en) | 2022-03-31 | 2022-03-31 | High-precision seal mechanism for cell aluminum plastic film |
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| CN202210334734.8A CN114628793B (en) | 2022-03-31 | 2022-03-31 | High-precision seal mechanism for cell aluminum plastic film |
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|---|---|
| CN114628793A (en) | 2022-06-14 |
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