CN216648447U - A special-shaped cell packaging device - Google Patents

Abstract

The utility model relates to a packaging device of a special-shaped battery cell, which comprises a top sealing station and a special-shaped edge packaging station, wherein the top sealing station comprises a clamp mechanism for carrying the battery cell to be packaged, and a tab deviation correcting mechanism, a top sealing mechanism and a special-shaped top sealing mechanism which are sequentially arranged along the conveying direction of the clamp mechanism, the special-shaped edge packaging station comprises a carrying mechanism arranged between the clamp mechanism and the special-shaped sealing and transferring mechanism, the special-shaped sealing and transferring mechanism is arranged beside the carrying mechanism, and the special-shaped sealing and transferring mechanism is arranged beside the special-shaped sealing and transferring mechanism. The utility model realizes the carrying, top sealing and side sealing procedures of the special-shaped battery cell, and can simultaneously inspect the lug position of the battery cell before packaging through the lug deviation rectifying mechanism so as to adjust the top sealing mechanism at a later period, thereby greatly improving the packaging precision and quality and greatly improving the compatibility of the special-shaped battery cell.

Description

A special-shaped cell packaging device

technical field

The utility model relates to the technical field of lithium battery production, in particular to a packaging device for a special-shaped battery core.

Background technique

In the production process of soft-packed lithium-ion batteries, it is an essential process to heat-seal the packaged cells. In the prior art, the cells are packaged by aluminum-plastic film, and the aluminum-plastic film is punched out in a concave shape. After the cell is placed in the groove, the cell is placed in the groove, and the aluminum-plastic film is folded to complete the packaging of the cell, and then packaged by a heat sealer. However, with the wider application of lithium batteries, more and more special-shaped cells have appeared on the market, such as cells with stepped edges or cells with curved edges. The existing cell packaging equipment only It can encapsulate a regular cell, and the compatibility of the encapsulation is not strong. In actual production, the shape of the cell will change due to different needs. In the process of cell packaging, great requirements are placed on the packaging equipment.

Utility model content

Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a packaging device for a special-shaped battery cell, so as to improve the packaging adaptability to the special-shaped battery core.

The purpose of the present utility model can be achieved by the following technical solutions: a packaging device for special-shaped battery cells, including a top sealing station and a special-shaped edge packaging station, and the top sealing station includes a clamp for handling the battery cells to be packaged The mechanism and the pole ear correction mechanism, the top sealing mechanism and the special-shaped top sealing mechanism are arranged in sequence along the conveying direction of the clamp mechanism. A special-shaped seal transfer mechanism is arranged on the side of the special-shaped seal transfer mechanism, and a special-shaped seal mechanism is arranged on the side of the special-shaped seal transfer mechanism. The first sealing component and the second special-shaped top sealing component.

Preferably, the clamp mechanism includes a horizontally arranged conveying track, and an overturning clamp, a transfer clamp and a discharging clamp arranged in sequence along the conveying track, and the overturning clamp, the transit clamp and the discharging clamp are all driven along the Z-axis direction by a servo motor. In addition, the operation of the overturning fixture, the transfer fixture and the discharging fixture along the X-axis direction is all driven by a linear motor.

Preferably, the tab correction mechanism includes a CCD camera disposed above the clamp mechanism and a light source board disposed at the bottom of the flip clamp.

Preferably, the top seal assembly 1 and the top seal assembly 2 both include two first moving shafts arranged in parallel, the two first moving shafts are provided with a first moving seat that moves along the X-axis direction, and the first moving seat is provided with The second movable seat and the manual adjustment rod that drives the second movable seat to move along the Y-axis direction, the second movable seat is provided with a first bracket, the first bracket is vertically arranged with a first electric cylinder, and the lower end of the first electric cylinder A first head is installed.

Preferably, the first special-shaped top sealing assembly and the second special-shaped top sealing assembly include two second moving shafts arranged in parallel, and the two second moving shafts are provided with a third moving seat that moves along the X-axis direction. A second bracket is arranged on the seat, a second electric cylinder is vertically arranged on the second bracket, and a second head is installed on the lower end of the second electric cylinder.

Preferably, the transport mechanism includes a four-axis robot and a first vacuum suction cup disposed on the four-axis robot.

Preferably, the special-shaped seal transfer mechanism includes a linear module, a lifting cylinder installed vertically upward on the linear module, and a second vacuum suction cup installed on the upper end of the lifting cylinder. The linear module drives the lifting cylinder to move horizontally, and the lifting cylinder drives the first vacuum suction cup. Two vacuum suction cups move up and down.

Preferably, the special-shaped sealing mechanism includes a third bracket and a third electric cylinder vertically arranged on the third bracket, and a third sealing head is mounted on the lower end of the third electric cylinder.

Compared with the prior art, the beneficial effects of the present utility model are as follows: the utility model realizes the handling, top sealing, and side sealing procedures of the special-shaped electric core, and at the same time, the electrode lug position of the electric core before packaging can be adjusted through the electrode lug correction mechanism. In order to adjust the top sealing mechanism later, the packaging accuracy and quality are greatly improved, and the compatibility with special-shaped cells is greatly improved.

Description of drawings

The present invention will be further described by using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention. For those of ordinary skill in the art, under the premise of no creative work, the following drawings can also be used to obtain Additional drawings.

1 is a schematic structural diagram of a top sealing station in a packaging device for a special-shaped cell according to an embodiment of the present invention.

2 is a schematic structural diagram of a special-shaped edge packaging station in a packaging device for special-shaped battery cells according to an embodiment of the present invention.

FIG. 3 is a schematic structural diagram of a tab rectifying mechanism in a packaging device for a special-shaped cell according to an embodiment of the present invention.

4 is a schematic structural diagram of a clamp mechanism in a packaging device for a special-shaped cell according to an embodiment of the present invention.

5 is a schematic structural diagram of a top sealing component 1 in a packaging device for a special-shaped cell according to an embodiment of the present invention.

6 is a schematic structural diagram of a special-shaped top sealing component 1 in a packaging device for a special-shaped battery cell according to an embodiment of the present invention.

7 is a schematic structural diagram of a handling mechanism in a packaging device for special-shaped battery cells according to an embodiment of the present invention.

8 is a schematic structural diagram of a special-shaped sealing and transferring mechanism in a packaging device for special-shaped battery cells according to an embodiment of the present invention.

9 is a schematic structural diagram of a special-shaped sealing mechanism in a packaging device for special-shaped battery cells according to an embodiment of the present invention.

The symbols shown in the figure are: 1. Fixture mechanism; 11. Handling track; 12. Turning fixture; 13. Transfer fixture; 14. Discharging fixture; mechanism; 31, the first moving shaft; 32, the first moving seat; 33, the second moving seat; 34, the manual adjustment rod; 35, the first head; 36, the first electric cylinder; 41. The second moving shaft; 42. The third moving seat; 43. The second head; 44. The second electric cylinder; 5. The handling mechanism; 51. The four-axis robot; Transfer mechanism; 61, linear module; 62, lift cylinder; 63, second vacuum suction cup; 7, special-shaped sealing mechanism; 71, third electric cylinder; 72, third head.

Detailed ways

It should be noted that if there are directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention, the directional indications are only used to explain a certain posture (such as the accompanying drawings). When the relative positional relationship, movement situation, etc. between the various components shown below), if the specific posture changes, the directional indication also changes accordingly.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for the purpose of description, and should not be construed as instructions or Implicit their relative importance or implicitly indicate the number of technical features indicated. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist. , is not within the scope of protection required by the present utility model.

The technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example

Please refer to FIG. 1 and FIG. 2 , the structure of the present invention is as follows: a packaging device for a special-shaped battery cell, including a top sealing station and a special-shaped edge packaging station, and the top sealing station includes a fixture for handling the battery core to be packaged Mechanism 1 and the pole ear correction mechanism 2, the top sealing mechanism 3 and the special-shaped top sealing mechanism 4 which are arranged in sequence along the conveying direction of the clamp mechanism 1. A special-shaped seal transfer mechanism 6 is provided on the side of the transfer mechanism 5, a special-shaped seal transfer mechanism 7 is provided on the side of the special-shaped seal transfer mechanism 6, and the top seal mechanism 3 includes a top seal assembly 1 and a top seal. Component 2, the special-shaped top sealing mechanism 4 includes a special-shaped top-seal component 1 and a special-shaped top-seal component 2 arranged oppositely. In order to adapt to lithium batteries of different shapes, the structure design of the utility model is divided into a top sealing station and a special-shaped side packaging station. , to realize the packaging of special-shaped cells.

In this embodiment, please refer to FIG. 4 , the clamp mechanism 1 includes a horizontally arranged conveying track 11 , and an overturning clamp 12 , a transfer clamp 13 and a discharging clamp 14 , which are sequentially arranged along the conveying track 11 . The running of the material fixture 14 along the Z-axis direction is driven by a servo motor, and the running of the turning fixture 12 , the transfer fixture 13 and the discharging fixture 14 along the X-axis direction is driven by a linear motor. Specifically, the bare cells and the punched aluminum-plastic film are folded and packaged in the flip jig 12, and then the cells are transported by the transfer jig 13, and sent to the top sealing mechanism 3 or the special-shaped top sealing mechanism 4 for packaging. The transferred station is determined by the shape of the cell, and after packaging, the top-sealed cell is sent to the suction position of the handling mechanism 5 of the next special-shaped edge packaging station by the discharging fixture 14 . The overturning fixture 12, the transfer fixture 13, and the discharging fixture 14 in the fixture mechanism 1 are all controlled by the servo motor to operate in the Z-axis direction, and combined with the vacuum suction cup to realize the removal of the battery cell during the transfer of the battery cell. Feeding and unloading actions. .

In the present embodiment, please refer to FIG. 3 , the pole ear deviation correction mechanism 2 includes a CCD camera 21 disposed above the clamp mechanism 1 and a light source board disposed at the bottom of the flip clamp 12 . Specifically, the cells to be packaged on the flip jig 12 are photographed by the CCD camera 21, and the bottom light source board completes the lighting action on the cells, and the data measured by the photo is sent to the host computer for data processing and analysis. The shape of the cell to be sealed is determined, and the cell to be sealed is determined to be sent to the top sealing mechanism 3 or the special-shaped top sealing mechanism 4 for packaging, which solves the problem of the tab bias of the cell during the packaging process, and improves the finished product of the special-shaped cell package. Rate.

In this embodiment, please refer to FIG. 5 , both the top sealing assembly 1 and the top sealing assembly 2 include two first moving shafts 31 arranged in parallel, and the two first moving shafts 31 are provided with a first moving shaft 31 that moves along the X-axis direction. The movable seat 32, the first movable seat 32 is provided with a second movable seat 33 and a manual adjustment rod 34 that drives the second movable seat 33 to move along the Y-axis direction, the second movable seat 33 is provided with a first bracket, and the first bracket is A first electric cylinder 36 is vertically arranged, and a first sealing head 35 is installed at the lower end of the first electric cylinder 35 . Specifically, the first and second top sealing components are used to seal the tab end of the cell and the aluminum-plastic film at the opposite end, respectively. The power for the first head 35 to be pressed down is provided by the first electric cylinder 35, and the use of the electric cylinder can effectively save space. In order to solve the problem of pole ear deflection of the cell and the problem of adapting to the size of different cells, two first moving shafts 31 are designed along the X-axis direction, and the first moving base 32 is driven by a servo motor. Moreover, the position of the second moving seat 33 is adjusted along the Y-axis direction through the manual adjustment rod 34, and a digital display is attached, and the adjustment accuracy can reach 0.01mm.

In this embodiment, please refer to FIG. 6 , the special-shaped top seal assembly 1 and the special-shaped top seal assembly 2 both include two second moving shafts 41 arranged in parallel, and the two second moving shafts 41 are arranged to move along the X-axis direction The third movable seat 42 is provided with a second bracket, a second electric cylinder 44 is vertically disposed on the second bracket, and a second head 43 is installed on the lower end of the second electric cylinder 44 . Specifically, the special-shaped top sealing assembly 1 and the special-shaped top sealing assembly 2 are used to seal the tab end of the top special-shaped battery cell and the aluminum-plastic film at the opposite end, respectively. The power for the second sealing head 43 to press down is provided by the second electric cylinder 44. The electric cylinder saves space effectively. In order to solve the problem of pole ear deflection of the cell and the problem of adapting to the size of different cells, two second moving shafts 41 are designed along the X-axis direction, and the third moving base 42 is driven by a servo motor.

In this embodiment, please refer to FIG. 7 , the transport mechanism 5 includes a four-axis robot 51 and a first vacuum suction cup 52 disposed on the four-axis robot 51 . Specifically, the four-axis robot 51 is used to complete the transportation of the battery cells from the top sealing station to the special-shaped side sealing station. The flexibility of the four-axis robot 51 is fully utilized, so that the movement error of the battery cell handling is smaller, and the problem of positioning accuracy of the battery core during the handling process can be solved.

In this embodiment, please refer to FIG. 8 , the special-shaped seal transfer mechanism 6 includes a linear module 61 , a lift cylinder 62 installed vertically upward on the linear module 61 , and a second vacuum suction cup 63 installed on the upper end of the lift cylinder 62 , The linear module 61 drives the lift cylinder 62 to move horizontally, and the lift cylinder 62 drives the second vacuum suction cup 63 to move up and down. Specifically, the linear module 61 realizes the feeding action, and then the lifting cylinder 62 sends the cells to the height of the special-shaped side packaging station for special-shaped side packaging, and the second vacuum suction cup 63 fixes the cells.

In this embodiment, please refer to FIG. 9 , the special-shaped sealing mechanism 7 includes a third bracket and a third electric cylinder 71 vertically disposed on the third bracket, and a third sealing head 72 is installed on the lower end of the third electric cylinder 71 . Specifically, the special-shaped sealing mechanism 7 is used to seal the special-shaped edge aluminum-plastic film of the special-shaped electric core. The power for the third head 72 to be pressed down is provided by the third electric cylinder 71, and the use of the electric cylinder can effectively save space. Through the design of the third sealing head 72, various special-shaped cells can be packaged.

The present utility model has been further described above with the help of specific embodiments, but it should be understood that the specific description here should not be construed as a limitation on the essence and scope of the present utility model. Various modifications made to the above-mentioned embodiments all belong to the protection scope of the present invention.

Claims (8)

1. A packaging device for a special-shaped electric core, characterized in that: it comprises a top sealing station and a special-shaped edge packaging station, and the top sealing station comprises a clamp mechanism (1) for handling the battery core to be packaged and along the The pole ear correction mechanism (2), the top sealing mechanism (3) and the special-shaped top sealing mechanism (4) are sequentially arranged in the conveying direction of the clamp mechanism (1). 1) The handling mechanism (5) between the special-shaped seal transfer mechanism (6), the special-shaped seal transfer mechanism (6) is arranged on the side of the handling mechanism (5), and the side of the special-shaped seal transfer mechanism (6) is provided. The side is provided with a special-shaped sealing mechanism (7), the top sealing mechanism (3) includes a top sealing assembly 1 and a top sealing assembly 2 arranged oppositely, and the special-shaped top sealing mechanism (4) includes a relatively arranged special-shaped top sealing assembly 1 And special-shaped top seal assembly II. 2 . The packaging device for a special-shaped battery cell according to claim 1 , wherein the clamp mechanism ( 1 ) comprises a horizontally arranged transport track ( 11 ) and a transport track ( 11 ) arranged in sequence along the transport track ( 11 ). The overturning fixture (12), the transfer fixture (13) and the discharging fixture (14), the overturning fixture (12), the intermediate fixture (13) and the discharging fixture (14) all run along the Z-axis direction through a servo motor The overturning fixture (12), the transfer fixture (13) and the discharging fixture (14) are all driven by the linear motor along the X-axis direction. 3. A special-shaped cell packaging device according to claim 2, characterized in that: the tab correction mechanism (2) comprises a CCD camera (21) arranged above the clamp mechanism (1) and a CCD camera (21) arranged on the The light source board at the bottom of the flipping fixture (12). 4 . The packaging device for a special-shaped battery cell according to claim 1 , wherein the top sealing assembly 1 and the top sealing assembly 2 both comprise two first moving shafts ( 31 ) arranged in parallel, and the two The first moving shaft (31) is provided with a first moving seat (32) that moves along the X-axis direction, and the first moving seat (32) is provided with a second moving seat (33) and drives the second moving seat (33) a manual adjustment rod (34) that moves along the Y-axis direction, a first bracket is arranged on the second moving seat (33), and a first electric cylinder (36) is vertically arranged on the first bracket, A first sealing head (35) is installed on the lower end of the first electric cylinder (36). 5 . The packaging device for a special-shaped battery cell according to claim 1 , wherein the special-shaped top sealing assembly 1 and the special-shaped top sealing assembly 2 both comprise second moving shafts (41) arranged along two parallel lines. 6 . , the two second moving shafts (41) are provided with a third moving seat (42) moving along the X-axis direction, the third moving seat (42) is provided with a second bracket, the second bracket A second electric cylinder (44) is vertically arranged on the top, and a second sealing head (43) is installed at the lower end of the second electric cylinder (44). 6 . The packaging device for a special-shaped cell according to claim 1 , wherein the conveying mechanism ( 5 ) comprises a four-axis robot ( 51 ) and a first vacuum device arranged on the four-axis robot ( 51 ). 7 . Suction cup (52). 7. A special-shaped cell packaging device according to claim 1, characterized in that: the special-shaped sealing and transferring mechanism (6) comprises a linear module (61), which is installed vertically upward on the linear module (61). ) on the lift cylinder (62) and a second vacuum suction cup (63) mounted on the upper end of the lift cylinder (62), the linear module (61) drives the lift cylinder (62) to move horizontally, and the lift cylinder (62) The second vacuum suction cup (63) is driven to move up and down. 8 . The special-shaped cell packaging device according to claim 1 , wherein the special-shaped sealing mechanism ( 7 ) comprises a third bracket and a third electric cylinder vertically arranged on the third bracket. 9 . (71), a third head (72) is installed on the lower end of the third electric cylinder (71).

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