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CN-224216578-U - Welding detection device and welding equipment

CN224216578UCN 224216578 UCN224216578 UCN 224216578UCN-224216578-U

Abstract

The utility model provides a welding detection device and welding equipment, wherein the welding detection device is used for detecting welding seams on a shell and comprises a conveying mechanism, a detection mechanism and a driving mechanism, wherein the conveying mechanism is used for conveying the shell, a detection position is arranged on the conveying mechanism, the detection mechanism comprises a plurality of scanning assemblies, a rotating assembly and a distance adjusting assembly, the scanning assemblies are used for detecting the welding seams on the shell positioned on the detection position, the distance adjusting assembly is used for adjusting the distance between the scanning assemblies to adapt to the distance between the welding seams, the rotating assembly is used for adjusting the arrangement direction of the scanning assemblies, and the driving mechanism is used for driving the detection mechanism to move along the welding seams. With the welding detection device, the detection time can be saved while the structure is simple, and the detection efficiency is improved.

Inventors

  • CHEN DAGAO
  • LIU GUISONG
  • XIE LIMING
  • Xiong Ruixuan

Assignees

  • 南昌欣旺达新能源有限公司

Dates

Publication Date
20260508
Application Date
20240507

Claims (8)

  1. 1. Welding detection device, its characterized in that for detect the welding seam on the casing, welding detection device includes: The conveying mechanism is used for conveying the shell, and a detection position is arranged on the conveying mechanism; The detection mechanism comprises a plurality of scanning assemblies, a rotating assembly and a distance adjusting assembly, wherein the scanning assemblies are used for detecting welding seams on a shell positioned at the detection position, the distance adjusting assembly is used for adjusting the distance between the plurality of scanning assemblies, and the rotating assembly is used for adjusting the arrangement direction of the plurality of scanning assemblies; The driving mechanism is used for driving the scanning assemblies to synchronously move along the welding seams; the positioning mechanism comprises a lifting assembly and positioning blocks, the positioning blocks comprise a plurality of positioning grooves, the lifting assembly is used for driving the positioning blocks to lift, and when the positioning blocks are positioned at the detection positions, each positioning groove is used for positioning one electric core; The positioning mechanism further comprises a pushing component, the lifting component is used for driving the transverse bar to lift, the transverse bar is blocked from moving along the conveying direction of the conveying mechanism when being lowered, the fixed longitudinal bar is fixedly connected with the transverse bar, the movable longitudinal bar is slidably arranged on the transverse bar, the pushing component is used for driving the movable longitudinal bar to slide on the transverse bar, the movable longitudinal bar is used for pressing the shell on the fixed longitudinal bar, and the transverse bar, the fixed longitudinal bar and the movable longitudinal bar jointly define a positioning groove.
  2. 2. The welding inspection device of claim 1, wherein the inspection mechanism includes two of the scanning assemblies, the distance adjustment assembly includes a first rail on which at least one of the scanning assemblies is slidably disposed and a first drive for driving at least one of the scanning assemblies to move on the first rail to adjust a relative distance between the two scanning assemblies.
  3. 3. The welding inspection device of claim 2, wherein the rotating assembly includes a second driving member coupled to the first rail, the second driving member configured to rotate the first rail to change an alignment direction of the plurality of scanning assemblies.
  4. 4. The welding inspection device of claim 1, wherein the drive mechanism includes an X-line module and a Y-line module, the Y-line module is configured to drive the scanning assembly to move in a Y-direction, the X-line module is configured to drive the scanning assembly and the Y-line module to move in a X-direction synchronously, the Y-direction is perpendicular to the X-direction, and both the X-direction and the Y-direction are horizontal.
  5. 5. The welding inspection device of claim 4, wherein the drive mechanism further comprises a Z-line module for driving the inspection mechanism to move in a vertical direction, and wherein the Y-line module is for driving the scanning assembly and the Z-line module to move in a Y-direction in synchronization.
  6. 6. The welding inspection device of claim 4 wherein the transport mechanism is configured to transport the housing in the X-direction.
  7. 7. The welding inspection device of claim 6, wherein the inspection mechanism has a first state and a second state, the rotation assembly for driving the scanning assembly in rotation to switch the inspection mechanism between the first state and the second state; The detection mechanism is in a first state, the scanning assemblies are arranged along an X direction, the scanning assemblies are arranged along a Y direction when the detection mechanism is in a second state, the X direction and the Y direction are both horizontal directions, and the X direction and the Y direction are mutually perpendicular.
  8. 8. Welding equipment, characterized in that it comprises a welding detection device according to any one of claims 1 to 7, a welding device and a helium detection device, said welding detection device being arranged between said welding device and said helium detection device, said helium detection device being used for detecting leakage of said housing, said welding device being used for welding said housing.

Description

Welding detection device and welding equipment Technical Field The utility model relates to the technical field of battery manufacturing, in particular to a welding detection device and welding equipment. Background In the prior art, the shell of the battery needs to be welded in the manufacturing process of the battery, the welding seam needs to be detected after the welding is finished, and the shell with the defect of the welding seam is removed. In detecting a weld seam, a CCD camera is generally used for scanning detection. The battery case will typically include a plurality of weld seams having different directions of extension, for example, the weld seam of the battery case includes a long-side weld seam and a short-side weld seam, which are different in length, direction of extension, distribution interval, and the like. In order to rapidly scan a plurality of welding lines having different extending directions, the inspection apparatus is generally provided with a plurality of cameras, the distribution positions of the cameras are fixed, one part of the cameras is used for inspecting one type of welding line, and the other part of the cameras is used for inspecting another type of welding line, which results in a large number of cameras required for the inspection apparatus, thereby resulting in a complicated structure and high cost of the inspection apparatus. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a welding inspection device that requires a small number of cameras. The utility model also provides welding equipment. The welding detection device is used for detecting welding seams on a shell and comprises a conveying mechanism, a detection mechanism, a distance adjusting assembly and a driving mechanism, wherein the conveying mechanism is used for conveying the shell, a detection position is arranged on the conveying mechanism, the detection mechanism comprises a plurality of scanning assemblies, a rotating assembly and the distance adjusting assembly, the scanning assemblies are used for detecting the welding seams on the shell located on the detection position, the distance adjusting assembly is used for adjusting the distance between the scanning assemblies, the rotating assembly is used for adjusting the arrangement direction of the scanning assemblies, and the driving mechanism is used for driving the scanning assemblies to synchronously move along the welding seams. The welding detection device according to the embodiment of the first aspect of the utility model has at least the advantages that after the conveying mechanism conveys the shell to the detection position, the position of the scanning assembly can be adjusted through the rotating assembly and the distance adjusting assembly, so that the position of the scanning assembly corresponds to the position of the welding seam on the shell, and the scanning assembly can be suitable for detecting welding seams of different types. As such, the plurality of scanning assemblies that were originally used to detect one type of weld (e.g., a long-side weld) may be used to detect another type of weld (e.g., a short-side weld) after the position is adjusted. Compared with the prior art, the device is equivalent to omitting one scanning component special for detecting one type of welding seam, and the device has fewer scanning components. In addition, the driving mechanism drives the scanning assemblies to synchronously move along the welding lines, the synchronous scanning assemblies simultaneously detect the welding lines, and the detection mechanism has higher detection efficiency on the welding lines. According to some embodiments of the utility model, the detection mechanism comprises two scanning assemblies, the distance adjusting assembly comprises a first track and a first driving piece, at least one scanning assembly is arranged on the first track in a sliding mode, and the first driving piece is used for driving at least one scanning assembly to move on the first track so as to adjust the relative distance between the two scanning assemblies. According to some embodiments of the utility model, the rotating assembly includes a second driving member, the second driving member is connected to the first rail, and the second driving member is used for driving the first rail to rotate so as to change the arrangement direction of the plurality of scanning assemblies. According to some embodiments of the utility model, the driving mechanism comprises an X-line module and a Y-line module, the Y-line module is used for driving the scanning assembly to move along the Y-direction, the X-line module is used for driving the scanning assembly and the Y-line module to synchronously move along the X-direction, the Y-direction is perpendicular to the X-direction, and the X-direction and the Y-direction are both horizontal dir