Battery cell sealing device

By employing parallel-spaced conveyor lines and synchronously moving film-closing carriers in the battery cell sealing device, combined with left and right sealing mechanisms, continuous folding and sealing of the aluminum-plastic film of the battery cells is achieved, solving the problem of large space occupation in existing production lines and improving production efficiency and consistency.

CN223828450UActive Publication Date: 2026-01-23HUNAN HAPPY TIMES NEW ENERGY CO LTD
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Patent Information

Application Number
CN202423243283.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2026-01-23
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Existing battery cell sealing devices require separate folding and sealing before sealing the aluminum-plastic film on the battery cells, resulting in a large space occupation and a lack of integration in the production line.

Method used

Design a battery cell sealing device, which adopts a first conveyor line and a second conveyor line arranged in parallel and spaced apart. Each conveyor line is equipped with several battery cell film-forming carriers. The film-forming carriers synchronously convey and fold the aluminum-plastic film, and combine with the left and right sealing mechanisms to seal the left and right sides of the aluminum-plastic film respectively, so as to realize continuous operation.

Benefits of technology

The integrated sealing device reduces the space occupied on the production line, enables continuous and efficient sealing operations, improves production consistency, and reduces manual intervention.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of battery cells, and discloses a battery cell sealing device which comprises a first conveying line and a second conveying line which are arranged at an interval, the first conveying line and the second conveying line are respectively provided with a plurality of battery cell film combining carriers which do reciprocating motion synchronously with the first conveying line and the second conveying line; the battery cell film combining carrier is used for folding the aluminum plastic film so as to coat the battery cell; a plurality of left sealing mechanisms for sealing the left side of the aluminum plastic film and a plurality of right sealing mechanisms for sealing the right side of the aluminum plastic film are arranged above the first conveying line and the second conveying line at intervals; the device comprises a first conveying line and a second conveying line which are arranged in parallel at an interval; each conveying line is provided with a plurality of battery cell film combining carriers; the battery cell film combining carrier is responsible for synchronous conveying and can fold an aluminum plastic film to coat the battery cell; the movement of the film closing carrier is kept synchronous with that of the conveying line, so that continuous operation is realized; the left sealing mechanism is used for sealing the left side of the aluminum plastic film, and the right sealing mechanism is used for sealing the right side.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric core, and the utility model discloses a kind of electric core sealing device. BACKGROUND

[0002] The electric core sealing device is a kind of equipment for sealing lithium battery electric core, usually applied to the later process of battery production, to ensure the sealing performance of electric core, prevent electrolyte leakage, and ensure the safety and service life of battery;

[0003] The current market has the following problems: the current electric core sealing device needs to fold and cover the electric core aluminum plastic film before sealing, and generally uses two separate mechanisms to achieve, which causes the overall production line to occupy a large space. Therefore, an integrated mechanism is needed.

[0004] The utility model solves the technical problem: provide a kind of electric core sealing device, which can realize folding and covering of multiple electric core aluminum plastic films and sealing. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem: provide a kind of electric core sealing device, which can realize folding and covering of multiple electric core and sealing;The device includes first conveying line and second conveying line, which are arranged in parallel with interval;Each conveying line is equipped with a plurality of electric core film carrier;Electric core film carrier is responsible for synchronous conveying, and can fold aluminum plastic film to cover electric core;The movement of film carrier is synchronized with conveying line, realizing continuous operation;The upper part of first conveying line and second conveying line is respectively provided with a plurality of left sealing mechanism and right sealing mechanism;Left sealing mechanism is used for sealing the left side of aluminum plastic film, and right sealing mechanism is used for sealing the right side;Left and right sealing mechanisms are arranged at intervals to adapt to the movement rhythm of electric core;Conveying line and electric core film carrier realize transportation while folding and covering electric core aluminum plastic film, thereby reducing the occupied space of production line.

[0006] An electric core sealing device includes first conveying line and second conveying line arranged with interval;And first conveying line and second conveying line are both provided with a plurality of electric core film carriers reciprocating synchronously;And electric core film carrier folds aluminum plastic film to cover electric core;And the upper part of first conveying line and second conveying line is both provided with a plurality of left sealing mechanisms for sealing the left side of aluminum plastic film, and a plurality of right sealing mechanisms for sealing the right side of aluminum plastic film.

[0007] Preferably, the left sealing mechanism comprises a horizontally arranged sealing support; the top of the sealing support is provided with a plurality of first sealing air cylinders at intervals; the piston rods of the first sealing air cylinders are connected with first sealing mounting blocks; the bottoms of the first sealing mounting blocks are provided with first upper sealing hot pressing blocks; the bottoms of the sealing support are provided with a plurality of first electric push rods at intervals; the extending ends of the first electric push rods are connected with second sealing mounting blocks; the tops of the second sealing mounting blocks are provided with first lower sealing hot pressing blocks; the first upper sealing hot pressing blocks are driven downward by the first sealing air cylinders; the first lower sealing hot pressing blocks are driven upward by the first electric push rods; the first upper sealing hot pressing blocks and the first lower sealing hot pressing blocks contact each other to seal the aluminum plastic film.

[0008] Preferably, the right sealing mechanism has the same structure as the left sealing mechanism; the first upper sealing hot pressing blocks and the first lower sealing hot pressing blocks of the left sealing mechanism are arranged to the left; the first upper sealing hot pressing blocks and the first lower sealing hot pressing blocks of the right sealing mechanism are arranged to the right.

[0009] Preferably, the cell and film combining carrier comprises a conveying bearing plate; the conveying bearing plate is provided with a conveying motor, a plurality of turnover stations; the turnover station comprises a gear set, a second pulley rotating synchronously with the gear set, and an eighth lead screw rotating synchronously with the gear set; the rotating shaft of the conveying motor is connected with a first pulley; the first pulley and the second pulley are connected with a second belt; a fixed seat is fixedly arranged; a turnover seat rotatingly connected with the fixed seat is arranged; the turnover seat rotates synchronously with the eighth lead screw; the eighth lead screw is driven to rotate by the conveying motor, so that the turnover seat rotates synchronously with the fixed seat to open and close.

[0010] Preferably, the fixed seat and the turnover seat are provided with first suction nozzles; when the aluminum plastic film is placed on the fixed seat and the turnover seat, the first suction nozzles adsorb the aluminum plastic film; the fixed seat is formed with a first semicircular groove matching the cell; the turnover seat is formed with a second semicircular groove matching the cell; the cell is placed on the aluminum plastic film and between the first semicircular groove and the second semicircular groove.

[0011] Compared with the prior art, the electric core sealing device has the advantages that: the device comprises a first conveying line and a second conveying line, which are arranged in parallel at intervals; each conveying line is equipped with a plurality of electric core film combining carriers; the electric core film combining carriers are responsible for synchronous conveying and can fold the aluminum plastic film to coat the electric core; the movement of the film combining carriers is kept synchronous with the conveying lines to realize continuous operation; a plurality of left sealing mechanisms and right sealing mechanisms are arranged above the first conveying line and the second conveying line respectively; the left sealing mechanisms are used for sealing the left side of the aluminum plastic film, and the right sealing mechanisms are used for sealing the right side; the left and right sealing mechanisms are arranged at intervals to adapt to the movement rhythm of the electric core; the device realizes continuous and efficient sealing operation through the two conveying lines and the synchronously reciprocating carriers; the left and right sealing mechanisms are independently arranged to ensure the flatness and firmness of the aluminum plastic film sealing; and the device is suitable for batch production, reduces manual intervention and improves production consistency.

[0012] The additional aspects and advantages of the present application will be given in part in the following description, will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0014] Figure 1 It is a whole structure schematic view of the present application.

[0015] Figure 2 It is a structure schematic view of the left sealing mechanism or the right sealing mechanism of the present application.

[0016] Figure 3 It is another angle structure schematic view of the present application. Figure 2

[0017] Figure 4 It is an electric core film combining carrier structure schematic view of the present application.

[0018] Figure 5 It is another angle structure schematic view of the present application. Figure 4

[0019] Figure 6 It is a first semicircular groove structure schematic view of the present application.

[0020] ​​In the figure: F8, first conveying line; F9, second conveying line; G3, cell film carrier; G4, left sealing mechanism; G5, right sealing mechanism; G6, sealing support; G7, first sealing cylinder; G8, first sealing mounting block; G9, first upper sealing hot pressing block; G10, first electric push rod; G11, second sealing mounting block; G12, first lower sealing hot pressing block; G13, conveying bearing plate; G14, conveying motor; G15, turnover station; G16, gear set; G17, second pulley; G18, eighth lead screw; G19, first pulley; G20, second belt; G21, fixing seat; G22, turnover seat; G23, first suction nozzle; G24, first semicircular groove; G25, second semicircular groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0022] It should be noted that the terms "first", "second" and the like in the present application are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented in an order other than those illustrated or described herein. The implementation described in the following exemplary embodiments does not represent all implementations consistent with the present disclosure.

[0023] Please refer to Figures 1-6 In the embodiments of the present application, a cell sealing device comprises a first conveying line F8 and a second conveying line F9 arranged at intervals, and a plurality of cell film carriers G3 are arranged on the first conveying line F8 and the second conveying line F9 to move synchronously and reciprocally. The cell film carriers G3 are arranged to fold the aluminum plastic film to cover the cell. A plurality of left sealing mechanisms G4 are arranged at intervals above the first conveying line F8 and the second conveying line F9 to seal the left side of the aluminum plastic film, and a plurality of right sealing mechanisms G5 are arranged at intervals above the first conveying line F8 and the second conveying line F9 to seal the right side of the aluminum plastic film.

[0024] Specifically, the device comprises a first conveying line F8 and a second conveying line F9, which are arranged in parallel and at intervals; each conveying line is equipped with a plurality of battery cell and film combination carriers G3; the battery cell and film combination carrier G3 is responsible for synchronous conveying and can fold the aluminum plastic film to cover the battery cell; the movement of the combination carrier is synchronized with the conveying line to realize continuous operation; a plurality of left sealing mechanisms G4 and right sealing mechanisms G5 are respectively arranged above the first conveying line F8 and the second conveying line F9; the left sealing mechanism G4 is used for sealing the left side of the aluminum plastic film, and the right sealing mechanism G5 is used for sealing the right side; the left and right sealing mechanisms G5 are arranged at intervals to adapt to the movement rhythm of the battery cell;

[0025] The device realizes continuous and efficient sealing operation through two conveying lines and synchronous reciprocating carriers; the left and right sealing mechanisms are independently arranged to ensure the flatness and firmness of the aluminum plastic film sealing; the device is suitable for batch production, reduces manual intervention, and improves production consistency.

[0026] Further, the left sealing mechanism G4 comprises a horizontally arranged sealing support G6; a plurality of first sealing air cylinders G7 are arranged at intervals on the top of the sealing support G6; the piston rods of the first sealing air cylinders G7 are all connected with first sealing mounting blocks G8; first upper sealing hot pressing blocks G9 are arranged on the bottom of the first sealing mounting blocks G8; a plurality of first electric push rods G10 are arranged at intervals on the bottom of the sealing support G6; the extending ends of the first electric push rods G10 are all connected with second sealing mounting blocks G11; first lower sealing hot pressing blocks G12 are arranged on the top of the second sealing mounting blocks G11; the first upper sealing hot pressing blocks G9 are driven downward by the first sealing air cylinders G7, the first lower sealing hot pressing blocks G12 are driven upward by the first electric push rods G10, and the first upper sealing hot pressing blocks G9 and the first lower sealing hot pressing blocks G12 are in contact to seal the aluminum plastic film.

[0027] Specifically, the sealing support G6 is horizontally arranged and serves as the main structural support of the sealing mechanism, providing fixing points for mounting the first sealing air cylinders G7 and the first electric push rods G10; the first sealing air cylinders G7 are mounted on the top of the sealing support G6 and are responsible for driving the first upper sealing hot pressing blocks G9 to perform downward movement; the piston rods are connected with the first sealing mounting blocks G8 to ensure accurate control of the contact between the hot pressing blocks and the aluminum plastic film; the first upper sealing hot pressing blocks G9 are fixed on the bottom of the first sealing mounting blocks G8 and are used to complete the upper sealing of the aluminum plastic film; the first electric push rods G10 are mounted on the bottom of the sealing support G6 and drive the first lower sealing hot pressing blocks G12 to move upward; the extending ends of the first electric push rods G10 are connected with the second sealing mounting blocks G11 to control the position of the first lower sealing hot pressing blocks G12; the first lower sealing hot pressing blocks G12 are fixed on the top of the second sealing mounting blocks G11 and cooperate with the first upper sealing hot pressing blocks G9 to form sealing pressure.

[0028] Further, the right sealing mechanism G5 has the same structure as the left sealing mechanism G4; the first upper sealing hot press block G9 and the first lower sealing hot press block G12 of the left sealing mechanism G4 are arranged to the left side; and the first upper sealing hot press block G9 and the first lower sealing hot press block G12 of the right sealing mechanism G5 are arranged to the right side.

[0029] Specifically, the aluminum plastic film needs to be independently sealed on the left and right sides when covering the battery cell; the offset arrangement enables the hot press block to accurately align with the left and right sealing areas of the aluminum plastic film; the offset design of the left and right sealing mechanisms G5 avoids mutual interference of the hot press blocks when moving up and down, ensuring the accuracy and independence of each hot sealing action; the left and right sealing mechanisms G5 are symmetrically arranged, coordinated and synchronized, making the entire sealing process stable and efficient.

[0030] Further, the battery cell film combining carrier G3 comprises a transportation bearing plate G13; the transportation bearing plate G13 is provided with a transportation motor G14 and a plurality of turnover stations G15; the turnover station G15 comprises a gear set G16, a second pulley G17 synchronously rotating with the gear set G16, and an eighth lead screw G18 synchronously rotating with the gear set G16; the rotation shaft of the transportation motor G14 is connected with a first pulley G19; the second pulley G17 is connected with the first pulley G19 through a second belt G20; a fixed seat G21 is fixedly arranged; a turnover seat G22 is rotationally connected with the fixed seat G21; the turnover seat G22 synchronously rotates with the eighth lead screw G18; the rotation of the eighth lead screw G18 driven by the transportation motor G14 synchronously rotates the turnover seat G22 and opens and closes the fixed seat G21.

[0031] Specifically, the transportation bearing plate G13 serves as the main structure of the carrier, responsible for carrying the aluminum plastic film covered battery cell; the transportation motor G14 and the turnover station G15 are provided to realize the transmission and turnover functions of the battery cell; the transportation motor G14 is installed on the transportation bearing plate G13 to provide power for the turnover operation of the turnover station G15; the first pulley G19 is driven by the rotation shaft to transmit power to the turnover station G15; the gear set G16 of the turnover station G15 structure is connected and synchronously drives other key components, such as the second pulley G17 and the eighth lead screw G18; the second belt G20 is connected with the first pulley G19 to complete power transmission; the eighth lead screw G18 synchronously rotates with the gear set G16 to control the opening and closing action of the turnover seat G22; the fixed seat G21 is fixed on the transportation bearing plate G13 to provide support and rotational connection of the turnover seat G22; the turnover seat G22 is rotationally connected with the fixed seat G21 and synchronously rotates with the eighth lead screw G18 to realize the folding action of the battery cell.

[0032] Further, the fixed seat G21 and the turnover seat G22 are both provided with a first suction nozzle G23; when the aluminum plastic film is placed on the fixed seat G21 and the turnover seat G22, the first suction nozzle G23 adsorbs the aluminum plastic film; and the fixed seat G21 is formed with a first semicircular groove G24 matched with the electric core; and the turnover seat G22 is formed with a second semicircular groove G25 matched with the electric core; and the electric core is placed on the aluminum plastic film and between the first semicircular groove G24 and the second semicircular groove G25.

[0033] Specifically, the fixed seat G21 and the turnover seat G22 are both provided with a first suction nozzle G23; when the aluminum plastic film is placed on the fixed seat G21 and the turnover seat G22, the first suction nozzle G23 adsorbs the aluminum plastic film; and the fixed seat G21 is formed with a first semicircular groove G24 matched with the electric core; and the turnover seat G22 is formed with a second semicircular groove G25 matched with the electric core; and the electric core is placed on the aluminum plastic film and between the first semicircular groove G24 and the second semicircular groove G25.

[0034] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments but can be implemented in other embodiments without departing from the spirit or essential characteristics of the application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A battery cell sealing device, characterized in that, The system includes a first conveyor line (F8) and a second conveyor line (F9) spaced apart; each of the first conveyor line (F8) and the second conveyor line (F9) is equipped with a plurality of battery cell film-coating carriers (G3) that reciprocate synchronously with them; the battery cell film-coating carriers (G3) fold the aluminum-plastic film to cover the battery cells; and above the first conveyor line (F8) and the second conveyor line (F9), there are a plurality of left sealing mechanisms (G4) that seal the left side of the aluminum-plastic film and a plurality of right sealing mechanisms (G5) that seal the right side of the aluminum-plastic film.

2. The battery cell sealing device according to claim 1, characterized in that, The left sealing mechanism (G4) includes a horizontally arranged sealing bracket (G6); the top of the sealing bracket (G6) is provided with a plurality of first sealing cylinders (G7) spaced apart; the piston rods of the first sealing cylinders (G7) are all connected to first sealing mounting blocks (G8); the bottom of the first sealing mounting blocks (G8) is provided with first upper sealing heat pressing blocks (G9); the bottom of the sealing bracket (G6) is provided with a plurality of first electric push rods (G10) spaced apart; and the first electric push rods The extended ends of (G10) are all connected to a second sealing mounting block (G11); and the top of the second sealing mounting block (G11) is provided with a first lower sealing hot pressing block (G12); the first sealing cylinder (G7) drives the first upper sealing hot pressing block (G9) to press down, and the first electric push rod (G10) drives the first lower sealing hot pressing block (G12) to move up. The first upper sealing hot pressing block (G9) contacts the first lower sealing hot pressing block (G12) to seal the aluminum-plastic film.

3. The battery cell sealing device according to claim 2, characterized in that, The right sealing mechanism (G5) has the same structure as the left sealing mechanism (G4); and the first upper sealing hot pressing block (G9) and the first lower sealing hot pressing block (G12) of the left sealing mechanism (G4) are set to the left; and the first upper sealing hot pressing block (G9) and the first lower sealing hot pressing block (G12) of the right sealing mechanism (G5) are set to the right.

4. The battery cell sealing device according to claim 1, characterized in that, The cell bonding carrier (G3) includes a transport support plate (G13); and each transport support plate (G13) is equipped with a transport motor (G14) and several turning stations (G15); and each turning station (G15) includes a gear set (G16), a second pulley (G17) that rotates synchronously with the gear set (G16), and an eighth lead screw (G18) that rotates synchronously with the gear set (G16); and the shaft of the transport motor (G14) is connected to a first pulley (G19); Furthermore, a second belt (G20) is wound between the first pulley (G19) and the second pulley (G17); a fixed seat (G21) is fixedly provided; and a flip seat (G22) is provided that is rotatably connected to the fixed seat (G21); and the flip seat (G22) rotates synchronously with the eighth lead screw (G18); the eighth lead screw (G18) is driven to rotate by the transport motor (G14), thereby causing the flip seat (G22) to rotate synchronously and open and close with the fixed seat (G21).

5. A battery cell sealing device according to claim 4, characterized in that, Both the fixed base (G21) and the flip base (G22) are provided with a first suction nozzle (G23); when the aluminum-plastic film is placed on the fixed base (G21) and the flip base (G22), the first suction nozzle (G23) adsorbs the aluminum-plastic film; the fixed base (G21) is formed with a first semi-circular groove (G24) that matches the battery cell; and the flip base (G22) is formed with a second semi-circular groove (G25) that matches the battery cell; and the battery cell is placed on the aluminum-plastic film and positioned between the first semi-circular groove (G24) and the second semi-circular groove (G25).