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CN-121988494-A - Gluing tool and battery system

CN121988494ACN 121988494 ACN121988494 ACN 121988494ACN-121988494-A

Abstract

The application relates to the technical field of new energy, in particular to a gluing tool and a battery system, wherein the gluing tool comprises a moving part and a gluing component which moves relative to a pole piece, the gluing component is arranged on the moving part and comprises a glue storage part and a gluing part, the glue storage part is used for storing insulating glue, the gluing part is provided with a glue outlet, the glue outlet is connected with the glue storage part, an adjusting component is arranged on the gluing part, the adjusting component is used for adjusting the width of two ends of the glue outlet in the length direction of the glue outlet so as to enable the glue thickness on the pole piece to be consistent, and the length direction of the glue outlet is mutually perpendicular to the moving direction of the moving part. According to the application, the consistency of the thickness of the adhesive layer is ensured on the whole adhesive coating path, and the safety performance of the battery is improved.

Inventors

  • CHEN CHUNQIANG

Assignees

  • 合肥国轩高科动力能源有限公司

Dates

Publication Date
20260508
Application Date
20260209

Claims (10)

  1. 1. A gluing tool (100) for gluing a pole piece (200), wherein the gluing tool (100) comprises: A moving member moving relative to the pole piece (200); The gluing assembly (101) is arranged on the moving part, the gluing assembly (101) comprises a glue storage part and a gluing part (110), the glue storage part is used for storing insulating glue, the gluing part (110) is provided with a glue outlet (114), and the glue outlet (114) is connected with the glue storage part; The adjusting component (130) is arranged on the gluing piece (110), and the adjusting component (130) is used for adjusting the width of the two ends of the glue outlet (114) in the length direction of the glue outlet (114) so as to enable the gluing thickness of the pole piece (200) to be consistent; the length direction of the glue outlet (114) is perpendicular to the moving direction of the moving piece.
  2. 2. The glue application tooling (100) of claim 1, wherein along the length of the glue outlet (114), the glue outlet (114) has a first port and a second port, the first port being proximate an inner side of the pole piece (200) and the second port being proximate an outer side of the pole piece (200); The pole piece (200) comprises a straight line section (210) and a curve section (220), and when the moving piece moves to the straight line section (210), the glue outlet (114) is regulated by the regulating component (130) so as to enable the widths of the first port and the second port to be consistent; When the moving member moves to the curve section (220), the glue outlet (114) is regulated by the regulating component (130), and the width of the second port is larger than that of the first port.
  3. 3. The glue application tooling (100) of claim 2, wherein a difference in width between the second port and the first port is a linear difference when the moving member moves to the curved segment (220).
  4. 4. The gluing tool (100) according to claim 1, wherein the gluing assembly (101) further comprises a glue storage tube (120), the glue storage tube (120) being adapted to communicate the glue storage member with the gluing member (110).
  5. 5. The gluing tool (100) according to any one of claims 1-4, wherein the gluing piece (110) comprises a first gluing portion (111) and a second gluing portion (112), the first gluing portion (111) and the second gluing portion (112) being mutually covered; The first gluing part (111) is provided with a glue flowing channel (113), and the glue flowing channel (113) is used for communicating the glue outlet (114) and the glue storage piece.
  6. 6. The glue application tooling (100) according to claim 5, wherein the glue application member (110) further comprises a flexible member (115), the flexible member (115) being arranged between the first glue application portion (111) and the second glue application portion (112); The flexible piece (115) is provided with an avoidance port (1151), the avoidance port (1151) is communicated with the glue flowing channel (113), and one side of the avoidance port (1151) extends to the edge of the flexible piece (115) to form the glue outlet (114); The flexible piece (115) is configured to adjust the thickness of the flexible piece (115) under the adjustment of the adjusting assembly (130) so as to adjust the width of the two ends of the glue outlet (114) in the length direction.
  7. 7. The glue application tooling (100) of claim 6, wherein the adjustment assembly (130) comprises a drive member (131) and an adjustment member (132), the adjustment member (132) adjusting the thickness of the flexible member (115) under the drive of the drive member (131).
  8. 8. The gluing tool (100) according to claim 7, wherein the adjusting member (132) is a threaded adjusting shaft, the first gluing portion (111) is provided with a first connecting hole (1111), the second gluing portion (112) is provided with a second connecting hole (1121), and the flexible member (115) is provided with a third connecting hole (1152); At least one of the first connecting hole (1111) and the third connecting hole (1152) is a through hole, the second connecting hole (1121) is a threaded hole, and the adjusting member (132) passes through the first connecting hole (1111), the second connecting hole (1121) and the third connecting hole (1152) and is in threaded connection with the second glue coating portion (112); The adjusting piece (132) rotates under the driving of the driving piece (131) so as to adjust the connection distance between the adjusting piece (132) and the second gluing part (112).
  9. 9. Gluing tool (100) according to claim 6, wherein the flexible element (115) is a gasket and/or, The number of the adjusting assemblies (130) is at least two, and the at least two adjusting assemblies (130) are respectively arranged on the gluing piece (110) along the length direction of the glue outlet (114).
  10. 10. A battery system, characterized by comprising a battery and a glue application tool (100) according to any one of claims 1-9; The battery comprises a pole piece (200), and the gluing tool (100) is used for gluing the pole piece (200).

Description

Gluing tool and battery system Technical Field The application relates to the technical field of new energy, in particular to a gluing tool and a battery system. Background With the rapid development of lithium battery technology, solid-state batteries are an important development direction for future power batteries and energy storage batteries due to their high energy density, high safety and long cycle life. In the solid-state battery, a high voltage needs to be applied between the electrolyte and the electrode to ensure close contact, thereby improving ion transport efficiency. In the process of conception and implementation of the present application, the applicant has found that at least the following problems are existed in that in the process of manufacturing a solid-state battery, an insulating glue needs to be coated on a pole piece to form an insulating glue frame to prevent short circuit, and at present, a die head is commonly used for continuous coating in the industry, but the uniformity of the glue coating process is poor. The foregoing description is provided for general background information and does not necessarily constitute prior art. Disclosure of Invention The application mainly aims to provide a gluing tool and a battery system, which ensure the consistency of the thickness of a glue layer on the whole gluing path and improve the safety performance of a battery. In order to achieve the above object, the present application provides a glue coating tool for pole piece glue coating, the glue coating tool comprising: the moving piece moves relative to the pole piece; the gluing component is arranged on the moving part and comprises a glue storage part and a gluing part, the glue storage part is used for storing insulating glue, the gluing part is provided with a glue outlet, and the glue outlet is connected with the glue storage part; The adjusting component is arranged on the gluing piece and is used for adjusting the width of the two ends of the glue outlet in the length direction of the glue outlet so as to enable the gluing thickness on the pole piece to be consistent; the length direction of the glue outlet is perpendicular to the moving direction of the moving piece. The application has the beneficial effects that the width of the glue outlet at the two ends of the length direction can be dynamically and accurately adjusted according to the glue spreading path by arranging the adjusting component on the glue spreading piece, so that the consistency of the thickness of the glue layer on the whole glue spreading path is ensured, the local stress concentration and the insulation weak point are effectively avoided, the quality and the reliability of the insulation glue frame are obviously improved, and the safety performance of the battery is improved. On the basis of the technical scheme, the application can be improved as follows. In some alternative embodiments, the glue outlet has a first port and a second port along the length of the glue outlet, the first port being adjacent to the inside of the pole piece and the second port being adjacent to the outside of the pole piece; The pole piece comprises a straight line section and a curve section, and when the moving piece moves to the straight line section, the glue outlet is regulated by the regulating component so that the widths of the first port and the second port are consistent; When the moving piece moves to the curve section, the glue outlet is regulated by the regulating component, and the width of the second port is larger than that of the first port. The technical scheme has the advantages that the two ends of the straight line section are kept at equal height, the uniformity of basic gluing is guaranteed, when the curve section is coated, the difference of glue outlet caused by the path difference between the inner ring and the outer ring is compensated by enabling the width of the second port close to the outer side to be larger than that of the first port close to the inner side, the insulation glue layer with uniform thickness is ensured to be obtained in the curve section, and the insulation reliability and the uniformity of products are greatly improved. In some alternative embodiments, the difference in width between the second port and the first port is a linear difference as the moveable member moves to the curved segment. In the technical scheme, the adhesive layer has the advantages that in order to realize the smooth transition of the adhesive layer, the width difference between the second port and the first port is configured to linearly change along the length direction of the adhesive outlet. In some alternative embodiments, the glue assembly further comprises a glue storage tube for communicating the glue storage member with the glue application member. The technical scheme has the following advantages or beneficial effects that the flexible connection between the glue storage piece and the glue spreading p