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CN-224209353-U - Splicing device and splicing system

CN224209353UCN 224209353 UCN224209353 UCN 224209353UCN-224209353-U

Abstract

The application discloses a splicing device and a splicing system, wherein the splicing device comprises a clamping assembly and a welding mechanism, the clamping assembly comprises a support body and a pressing body which is arranged opposite to the support body, and a clamping space is formed between the support body and the pressing body and used for clamping a plurality of parts of to-be-connected pieces which are arranged in a laminated manner; the welding mechanism is positioned on any side of the clamping assembly, and at least one of the support body and the pressing body is provided with at least one through opening along the stacking direction of the plurality of to-be-connected pieces. According to the application, the clamping assembly is used for fixing the to-be-connected piece, and at least one of the supporting body and the pressing body is provided with the opening corresponding to the welding area on the to-be-connected piece, so that the welding part of the welding mechanism passes through the opening to weld the to-be-connected piece, the automatic welding operation of the to-be-connected piece can be realized, the welding efficiency is improved, the labor cost is reduced, the alignment accuracy of the welding part and the welding area of the to-be-connected piece can be improved, and the welding effect is improved.

Inventors

  • JING HAO
  • LIU JIANGUANG
  • Cheng Zenghao
  • WANG XIAOMIN

Assignees

  • 欣旺达动力科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250421

Claims (10)

  1. 1. A tab device, comprising: The clamping assembly (10), the clamping assembly (10) comprises a supporting body and a pressing body which is arranged opposite to the supporting body, and a clamping space is formed between the supporting body and the pressing body and used for clamping a plurality of parts of to-be-connected pieces (30) which are arranged in a laminated mode; -a welding mechanism (40), said welding mechanism (40) being located on either side of said clamping assembly (10) for welding a laminated area of a plurality of said pieces (30) to be connected; At least one through opening (21) is formed between the support body and at least one of the pressing bodies along the stacking direction of the plurality of to-be-connected pieces (30), and the opening (21) is used for being opposite to the stacking area of the plurality of to-be-connected pieces (30), so that the welding part of the welding mechanism (40) is placed in the opening (21) to contact and weld the to-be-connected pieces (30).
  2. 2. The tab device according to claim 1, wherein the press-fit body comprises a first plate body (11), the support body comprises a second plate body (12), the first plate body (11) and the second plate body (12) are oppositely arranged along a first direction (X); The clamping space is formed between the first plate body (11) and the second plate body (12), and at least one of the first plate body (11) and the second plate body (12) can move along the first direction (X) so as to adjust the size of the clamping space; The welding mechanism (40) is arranged on one side of the first plate body (11) deviating from the second plate body (12), and/or the welding mechanism (40) is arranged on one side of the second plate body (12) deviating from the first plate body (11), and the welding mechanism (40) can move towards the clamping space so as to weld a plurality of to-be-connected pieces (30).
  3. 3. The tab device according to claim 2, wherein at least one of said first plate body (11) and said second plate body (12) is formed with one through opening (21) along said first direction (X), said opening (21) being adapted to correspond to a lamination area of a plurality of said pieces (30) to be connected; The welding mechanism (40) is provided with a welding part which can move towards the opening (21) to be in contact with the to-be-connected pieces (30) and weld a plurality of to-be-connected pieces (30); Or at least one of the first plate body (11) and the second plate body (12) is provided with at least two through openings (21) along the first direction (X), at least two openings (21) are arranged at intervals along the second direction (Y), the welding mechanism (40) is provided with at least two welding parts, each welding part is used for moving towards each opening (21) to be in contact with a to-be-connected piece (30) and welding, and the second direction (Y) is perpendicular to the first direction (X).
  4. 4. A tab device according to any one of claims 1 to 3, wherein the welding means (40) is located on a side of the support body facing away from the press body, or wherein the welding means (40) is located on a side of the press body facing away from the support body; the welding mechanism (40) comprises a moving part (41) and a welding head (44) connected with the moving part (41), and the moving part (41) drives the welding head (44) to move towards the clamping assembly (10) so as to weld a plurality of pieces (30) to be connected; The welding head (44) comprises a welding roller (442), and the welding roller (442) is rotatably connected to the moving member (41).
  5. 5. The tab device according to claim 4, wherein the moving member (41) comprises a first moving module (42), the first moving module (42) being arranged opposite the clamping assembly (10), the welding head (44) being connected to the first moving module (42), the first moving module (42) being adapted to drive the welding head (44) to move in a first direction (X) so as to bring the welding head (44) into contact with a plurality of the pieces (30) to be connected; The movable piece (41) further comprises a second movable module (43), the second movable module (43) is connected to the first movable module (42), the welding head (44) is connected to one end of the second movable module (43) which is away from the first movable module (42), the second movable module (43) is used for driving the first movable module (42) to move along a third direction (Z) so as to weld a plurality of pieces to be connected (30) through the welding head (44), and the third direction (Z) is perpendicular to the first direction (X) and the second direction (Y); The welding head (44) further comprises a connecting piece (441), one end of the connecting piece (441) is connected with the second movable module (43), and the welding roller (442) is rotatably connected with one end of the connecting piece (441) deviating from the second movable module (43).
  6. 6. A tab device according to any one of claims 1 to 3, further comprising dust removal means provided on a side of the clamping assembly (10) facing the welding mechanism (40); The dust collector comprises a dust collector body and a dust collector (50) connected with the dust collector body, a dust collection opening (51) is formed in the dust collector (50), a welding head (44) is arranged in the welding mechanism (40), the dust collection opening (51) is close to the welding head (44), and the dust collector body is used for providing negative pressure for the dust collection opening (51).
  7. 7. The tab device according to claim 6, wherein at least one through opening (21) is formed in the support body and/or the press-fit body in the direction in which a plurality of the members to be connected (30) are stacked; The welding mechanism (40) comprises a moving part (41) and a welding head (44) connected with the moving part (41), the moving part (41) drives the welding head (44) to move towards the clamping assembly (10), and the dust removing part (50) is arranged on the welding head (44).
  8. 8. The tab device according to claim 6, wherein the dust removing member (50) is provided with an inclined surface at one end thereof adjacent to the welding head (44), the inclined surface being disposed at an acute angle to the penetrating direction of the opening (21), and the dust suction opening (51) is provided in the inclined surface.
  9. 9. A tab device according to any one of claims 1 to 3, further comprising a drive mechanism (70), the drive mechanism (70) being connected to the support body for driving the support body towards or away from the press body, or the drive mechanism (70) being connected to the press body for driving the press body towards or away from the support body; and/or, the splicing device further comprises at least two rollers (60), wherein the at least two rollers (60) are respectively arranged on two sides of the clamping assembly (10), and the rollers (60) are used for conveying the to-be-connected piece (30) to pass through the clamping space.
  10. 10. A tab system comprising a piece (30) to be connected and a tab device according to any one of claims 1 to 9 for welding a plurality of said pieces (30) to be connected; The to-be-connected piece (30) comprises a foil, and an active substance layer is not arranged on the surface of the foil; or the surface of the foil is provided with an active substance layer, and an auxiliary connecting layer is arranged between two adjacent foils.

Description

Splicing device and splicing system Technical Field The application belongs to the technical field of battery manufacturing, and particularly relates to a tab device and a tab system. Background In recent years, with the vigorous development of the electric automobile industry, a lithium battery is used as a power source of a core of the lithium battery, and higher requirements are put on the performance of the lithium battery. The energy density of the lithium battery is critical to the performance of the lithium battery, and in the coating process of the lithium battery, the energy density of the lithium battery is improved by continuously reducing the thickness of the foil, but the foil is easily broken in the coating process. In the related art, after the foil is broken, the broken foil is manually re-adhered, but the tape splicing effect by the manual tape splicing mode is poor, and the service performance of the battery is easily affected. Disclosure of utility model The application aims to provide a splicing device and a splicing system, which can solve the problem of poor manual tape splicing effect in the related art. In order to solve the technical problems, the application is realized as follows: In a first aspect, an embodiment of the present application provides a tab device, including a clamping assembly, where the clamping assembly includes a support body and a pressing body disposed opposite to the support body, and a clamping space is formed between the support body and the pressing body, and is used to clamp a plurality of to-be-connected members that are partially stacked; The welding mechanism is positioned on any side of the clamping assembly and is used for welding the lamination areas of the plurality of pieces to be connected; At least one through opening is formed between the support body and at least one of the pressing bodies along the stacking direction of the plurality of to-be-connected pieces, and the opening is used for being opposite to the stacking area of the plurality of to-be-connected pieces, so that the welding part of the welding mechanism is placed in the opening to contact and weld the to-be-connected pieces. Optionally, the pressing body comprises a first plate body, the supporting body comprises a second plate body, and the first plate body and the second plate body are oppositely arranged along a first direction; The clamping space is formed between the first plate body and the second plate body, and at least one of the first plate body and the second plate body can move along the first direction so as to adjust the size of the clamping space; The welding mechanism is arranged on one side of the first plate body, which is away from the second plate body, and/or is arranged on one side of the second plate body, which is away from the first plate body, and the welding mechanism can move towards the clamping space so as to weld a plurality of to-be-connected pieces. Optionally, at least one of the first plate body and the second plate body is formed with a through opening along the first direction, and the opening is suitable for corresponding to the lamination area of a plurality of to-be-connected pieces; The welding mechanism is provided with a welding part which can move towards the opening to be in contact with the to-be-connected pieces and weld a plurality of to-be-connected pieces; Or at least one of the first plate body and the second plate body is provided with at least two through openings along the first direction, at least two through openings are arranged at intervals along the second direction, the welding mechanism is provided with at least two welding parts, each welding part is used for moving towards each opening to be in contact with the to-be-connected piece and welded, and the second direction is perpendicular to the first direction. Optionally, the welding mechanism is positioned at one side of the support body away from the pressing body, or the welding mechanism is positioned at one side of the pressing body away from the support body; The welding mechanism comprises a moving part and a welding head connected with the moving part, and the moving part drives the welding head to move towards the clamping assembly so as to weld a plurality of pieces to be connected; The welding head comprises a welding roller which is rotatably connected with the moving piece. Optionally, the moving member includes a first moving module, where the first moving module is disposed opposite to the clamping component, the welding head is connected to the first moving module, and the first moving module is configured to drive the welding head to move along a first direction, so that the welding head contacts with the plurality of to-be-connected members; The welding device comprises a first movable module, a second movable module, a welding roller, a plurality of connecting pieces, a welding head and a welding roller, wherein the first movable module is connected wi