Edge sealing device for aluminum-plastic shell of circular battery

Abstract

The utility model relates to the technical field of battery packaging production, in particular to an edge sealing device for a circular battery aluminum plastic shell, which comprises a frame body, a first edge sealing assembly and a second edge sealing assembly, the first edge sealing assembly comprises a first edge sealing head, a first pressure sensor, a first heating piece and a first driver, wherein the first pressure sensor and the first heating piece are arranged on the first edge sealing head, the first driver is used for driving the first edge sealing head to move relative to the frame body, and a first heat insulation piece is arranged between the first pressure sensor and the first heating piece. The second edge sealing assembly comprises a second edge sealing head, a second pressure sensor, a second heating piece and a second driver, wherein the second pressure sensor and the second heating piece are arranged on the second edge sealing head, the second driver is used for driving the second edge sealing head to move relative to the frame body, and a second heat insulation piece is arranged between the second pressure sensor and the second heating piece. The first edge sealing head is driven by the first driver to move towards the direction close to the second edge sealing head, and the second edge sealing head is driven by the second driver to move towards the direction close to the first edge sealing head, so that the first edge sealing head abuts against and presses the second edge sealing head.

Description

Technical Field

[0001] The utility model relates to the technical field of battery packaging production, in particular to an edge sealing device for a round battery aluminum-plastic shell. Background Art

[0002] At present, there are three main types of round batteries: steel shell cylindrical, steel shell button type and soft-pack round battery. Among them, soft-pack round battery has the advantages of higher energy density, higher voltage, smaller size, green environmental protection, etc., and is widely used in electronic communication technology and new energy vehicles and other industries. As an important component of soft-pack round battery, the shell is mainly used to load battery cells and electrolytes. It can be wrapped around the battery cells and sealed to reduce the impact or vibration on the battery cells and extend the service life. In the edge sealing work of the shell, since the upper and lower heads of the edge sealing device are fixed structures and cannot be flexibly adjusted, the force between the upper and lower heads is uneven, resulting in poor stability of the edge sealing, which reduces the edge sealing sealing of the soft-pack round battery. Utility Model Content

[0003] The utility model aims to address the deficiencies in the prior art and to provide an edge sealing device for a round battery aluminum-plastic shell, which has flexible position adjustment, good force uniformity, good edge sealing stability, and improves edge sealing sealing and edge sealing processing quality.

[0004] To achieve the above-mentioned purpose, the utility model provides an edge sealing device for a round battery aluminum-plastic shell, comprising a frame and a first edge sealing component and a second edge sealing component spaced apart and arranged in parallel with the frame, the first edge sealing component comprising a first edge sealing head, a first pressure sensor and a first heating element arranged at the first edge sealing head, and a first driver for driving the first edge sealing head to move relative to the frame, a first thermal insulation member is arranged between the first pressure sensor and the first heating element, the second edge sealing component comprising a second edge sealing head, a second pressure sensor and a second heating element arranged at the second edge sealing head, and a second driver for driving the second edge sealing head to move relative to the frame, a second thermal insulation member is arranged between the second pressure sensor and the second heating element, the first edge sealing head is driven by the first driver to move toward the direction close to the second edge sealing head, and the second edge sealing head is driven by the second driver to move toward the direction close to the first edge sealing head, so that the first edge sealing head contacts and presses the second edge sealing head.

[0005] Preferably, the first edge sealing assembly also includes a first seat body, a first movable plate movably arranged on the first seat body, a first slider arranged on the first movable plate, a first guide rail arranged on the first seat body and slidably connected to the first slider, and first positioning columns arranged on both sides of the first movable plate, the first pressure sensor is arranged on the first movable plate, and the output end of the first driver passes through the first seat body and is drivingly connected to the first movable plate.

[0006] Preferably, the second edge sealing assembly also includes a second seat body, a second movable plate movably arranged on the second seat body, a second slider arranged on the second movable plate, a second guide rail arranged on the second seat body and slidably connected to the second slider, and second positioning columns arranged on both sides of the second movable plate, the second pressure sensor is arranged on the second movable plate, the output end of the second driver passes through the second seat body and is drivingly connected to the second movable plate, and the second positioning column abuts against the first positioning column.

[0007] Preferably, a first assembly seat and a second assembly seat are respectively provided at the top and the bottom of the frame, the first assembly seat is provided with a first assembly hole, a plurality of first assembly holes are provided and are spaced apart along the length direction of the first assembly seat, a plurality of first edge sealing components are provided and are spaced apart along the length direction of the first assembly seat, the second assembly seat is provided with a second assembly hole, a plurality of second assembly holes are provided and are spaced apart along the length direction of the second assembly seat, and a plurality of second edge sealing components are provided and are spaced apart along the length direction of the second assembly seat.

[0008] Preferably, a first reinforcing plate is provided at a connection between the first assembly seat and the frame body, and a second reinforcing plate is provided at a connection between the second assembly seat and the frame body.

[0009] The beneficial effects of the utility model include flexible position adjustment, good force uniformity, good edge sealing stability, and improved edge sealing and edge sealing processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model.

[0011] Figure 2 This is a schematic structural diagram of the first edge sealing component of the utility model.

[0012] Figure 3 It is a schematic structural diagram of the second edge sealing component of the utility model.

[0013] Reference numerals include:

[0014] 1——First edge sealing component 11——First edge sealing head 12——First pressure sensor

[0015] 13——first heating element 14——first driver 15——first thermal insulation element

[0016] 16——first seat body 17——first movable plate 18——first sliding block

[0017] 19——first guide rail 110——first positioning column

[0018] 2——Second edge sealing component 21——Second edge sealing head 22——Second pressure sensor

[0019] 23 - second heating element 24 - second driver 25 - second heat insulation element

[0020] 26——Second seat 27——Second movable plate 28——Second slide

[0021] 29——Second guide rail 210——Second positioning column

[0022] 3——Frame 31——First assembly seat 32——Second assembly seat

[0023] 33——First assembly hole 34——Second assembly hole 35——First reinforcement plate

[0024] 36——Second reinforcement plate. DETAILED DESCRIPTION

[0025] The utility model is described in detail below with reference to the accompanying drawings.

[0026] like Figures 1 to 3 As shown, the utility model is a round battery aluminum-plastic shell edge sealing device, including a frame 3 and a first edge sealing component 1 and a second edge sealing component 2 arranged in parallel with the frame 3 at intervals, the first edge sealing component 1 includes a first edge sealing head 11, a first pressure sensor 12 and a first heating element 13 arranged at the first edge sealing head 11, and a first driver 14 for driving the first edge sealing head 11 to move relative to the frame 3, a first heat insulating member 15 is arranged between the first pressure sensor 12 and the first heating element 13, and the second edge sealing component 2 includes a second edge sealing head 21. A second pressure sensor 22 and a second heating element 23 are arranged on the second edge sealing head 21, and a second driver 24 is used to drive the second edge sealing head 21 to move relative to the frame 3. A second heat insulating element 25 is arranged between the second pressure sensor 22 and the second heating element 23. The first edge sealing head 11 is driven by the first driver 14 to move toward the second edge sealing head 21, and the second edge sealing head 21 is driven by the second driver 24 to move toward the first edge sealing head 11, so that the first edge sealing head 11 is pressed against the second edge sealing head 21.

[0027] During operation, the first edge sealing head 11 is driven by the first driver 14 to move downward toward the second edge sealing head 21, and the second edge sealing head 21 is driven by the second driver 24 to move upward toward the first edge sealing head 11, so that the first edge sealing head 11 and the second edge sealing head 21 are pressed against each other, and the pressure values ​​of the first edge sealing head 11 and the second edge sealing head 21 are respectively recorded in real time by the first pressure sensor 12 and the second pressure sensor 22, and the pressure is precisely regulated, so as to press and seal the round battery aluminum-plastic shell, and the first heating element 13 and the second heating element 23 are in the state of being pressed and sealed. The heating resistance wire with technology, the first heating element 13 and the second heating element 23 are respectively arranged on the first edge sealing head 11 and the second edge sealing head 21, and the high heat is conducted to the edge position to provide the necessary temperature conditions for the pressing edge sealing molding, effectively ensure the good edge sealing effect, the edge sealing stability is good, and the pressing edge sealing molding efficiency is improved. The first heat insulation element 15 is arranged between the first pressure sensor 12 and the first heating element 13, and the second heat insulation element 25 is arranged between the second pressure sensor 22 and the second heating element 23, which effectively isolates the heat, avoids the high heat from affecting the normal operation of other working parts, and avoids causing damage. The utility model flexibly adjusts the position, has good force uniformity, good edge sealing stability, and improves the edge sealing sealing and edge sealing processing quality.

[0028] The first edge sealing assembly 1 of the present embodiment further includes a first seat body 16, a first movable plate 17 movably arranged on the first seat body 16, a first slider 18 arranged on the first movable plate 17, a first guide rail 19 arranged on the first seat body 16 and slidably connected to the first slider 18, and first positioning posts 110 arranged on both sides of the first movable plate 17. The first pressure sensor 12 is arranged on the first movable plate 17, and the output end of the first driver 14 passes through the first seat body 16 and is drivingly connected to the first movable plate 17. Specifically, the output end of the first driver 14 passes through the first seat body 16 and drives the first movable plate 17 to move up and down. At the same time, the first movable plate 17 slides up and down along the first guide rail 19 through the first slider 18, and moves smoothly and quickly. Two first positioning posts 110 are provided and are respectively installed on both sides of the first movable plate 17. The two first positioning posts 110 slide up and down with the first movable plate 17.

[0029] The second edge sealing assembly 2 of the present embodiment further includes a second seat 26, a second movable plate 27 movably arranged on the second seat 26, a second slider 28 arranged on the second movable plate 27, a second guide rail 29 arranged on the second seat 26 and slidably connected to the second slider 28, and second positioning posts 210 arranged on both sides of the second movable plate 27, the second pressure sensor 22 is arranged on the second movable plate 27, the output end of the second driver 24 passes through the second seat 26 and is drivingly connected to the second movable plate 27, and the second positioning posts 210 abut against the first positioning posts 110. Specifically, the output end of the second driver 24 passes through the second seat 26 and drives the second movable plate 27 to move up and down, and at the same time, the second movable plate 27 slides up and down along the second guide rail 29 through the second slider 28, and moves smoothly and quickly. When the first edge sealing head 11 and the second edge sealing head 21 move face to face, the first positioning post 110 touches and abuts against the second positioning post 210, which plays an accurate positioning role, and helps the first edge sealing head 11 and the second edge sealing head 21 to accurately press and seal the edge.

[0030] The top and bottom of the frame 3 of this embodiment are respectively provided with a first assembly seat 31 and a second assembly seat 32, the first assembly seat 31 is provided with a first assembly hole 33, a plurality of first assembly holes 33 are provided and are spaced apart along the length direction of the first assembly seat 31, a plurality of first edge sealing components 1 are provided and are spaced apart along the length direction of the first assembly seat 31, the second assembly seat 32 is provided with a second assembly hole 34, a plurality of second assembly holes 34 are provided and are spaced apart along the length direction of the second assembly seat 32, and a plurality of second edge sealing components 2 are provided and are spaced apart along the length direction of the second assembly seat 32. Specifically, the top and bottom of the frame 3 are respectively provided with a first assembly seat 31 and a second assembly seat 32, a plurality of first assembly holes 33 are arranged at intervals along the length direction of the first assembly seat 31, and at the same time, a plurality of first edge sealing components 1 are arranged at intervals along the length direction of the first assembly seat 31, and external screws are used to pass through the first assembly holes 33 and then connected and fixed to the first edge sealing components 1, a plurality of second assembly holes 34 are arranged at intervals along the length direction of the second assembly seat 32, and at the same time, a plurality of second edge sealing components 2 are arranged at intervals along the length direction of the second assembly seat 32, and external screws are used to pass through the second assembly holes 34 and then connected and fixed to the second edge sealing components 2, which is simple and convenient to operate, and the connection is stable and reliable.

[0031] In this embodiment, a first reinforcing plate 35 is provided at the connection between the first assembly seat 31 and the frame 3, and a second reinforcing plate 36 is provided at the connection between the second assembly seat 32 and the frame 3. Specifically, a first reinforcing plate 35 is provided at the connection between the first assembly seat 31 and the frame 3, and a second reinforcing plate 36 is provided at the connection between the second assembly seat 32 and the frame 3. The first reinforcing plate 35 and the second reinforcing plate 36 are used to effectively improve the structural strength between the frame 3 and the first assembly seat 31 and the second assembly seat 32, so as to avoid structural instability caused by long-term working vibration.

[0032] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. An edge sealing device for a round battery aluminum-plastic shell, characterized in that: It includes a frame and a first edge sealing component and a second edge sealing component spaced apart and arranged in parallel with the frame, the first edge sealing component includes a first edge sealing head, a first pressure sensor and a first heating element arranged at the first edge sealing head, and a first driver for driving the first edge sealing head to move relative to the frame, a first thermal insulation component is arranged between the first pressure sensor and the first heating element, the second edge sealing component includes a second edge sealing head, a second pressure sensor and a second heating element arranged at the second edge sealing head, and a second driver for driving the second edge sealing head to move relative to the frame, a second thermal insulation component is arranged between the second pressure sensor and the second heating element, the first edge sealing head is driven by the first driver to move toward the second edge sealing head, and the second edge sealing head is driven by the second driver to move toward the first edge sealing head, so that the first edge sealing head is pressed against the second edge sealing head.

2. The edge sealing device of a round battery aluminum-plastic shell according to claim 1, characterized in that: The first edge sealing assembly also includes a first seat body, a first movable plate movably arranged on the first seat body, a first slider arranged on the first movable plate, a first guide rail arranged on the first seat body and slidably connected to the first slider, and first positioning columns arranged on both sides of the first movable plate. The first pressure sensor is arranged on the first movable plate, and the output end of the first driver passes through the first seat body and is drivingly connected to the first movable plate.

3. The edge sealing device of a round battery aluminum-plastic shell according to claim 2, characterized in that: The second edge sealing assembly also includes a second seat body, a second movable plate movably arranged on the second seat body, a second slider arranged on the second movable plate, a second guide rail arranged on the second seat body and slidably connected to the second slider, and second positioning columns arranged on both sides of the second movable plate. The second pressure sensor is arranged on the second movable plate, the output end of the second driver passes through the second seat body and is drivingly connected to the second movable plate, and the second positioning column abuts against the first positioning column.

4. The edge sealing device for a round battery aluminum-plastic casing according to claim 1, characterized in that: The top and bottom of the frame are respectively provided with a first assembly seat and a second assembly seat, the first assembly seat is provided with a first assembly hole, a plurality of first assembly holes are provided and are spaced along the length direction of the first assembly seat, a plurality of first edge sealing components are provided and are spaced along the length direction of the first assembly seat, the second assembly seat is provided with a second assembly hole, a plurality of second assembly holes are provided and are spaced along the length direction of the second assembly seat, and a plurality of second edge sealing components are provided and are spaced along the length direction of the second assembly seat.

5. The edge sealing device of a round battery aluminum-plastic shell according to claim 4, characterized in that: A first reinforcing plate is provided at a connection between the first assembly seat and the frame body, and a second reinforcing plate is provided at a connection between the second assembly seat and the frame body.

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