CN-224230922-U - Pole piece detection device

Abstract

The utility model discloses a pole piece detection device which comprises a mounting frame and a visual detection mechanism, wherein a conveying belt is arranged on the mounting frame and used for conveying battery pole pieces, a plurality of adsorption holes used for connecting a negative pressure air source are formed in the conveying belt, the visual detection mechanism is arranged on the mounting frame, and the visual detection mechanism is positioned above the conveying belt. According to the utility model, the plurality of adsorption holes for connecting the negative pressure air source are formed in the conveyor belt, so that the pole piece can be effectively fixed, the position deviation of the pole piece is prevented, the detection by the visual detection mechanism is facilitated, and the detection precision is improved.

Inventors

• ZHAO XIAOMIN

Assignees

• 深圳市海得地实业有限公司

Dates

Publication Date

20260512

Application Date

20250508

Claims (10)

1. 1. The pole piece detection device is characterized by comprising a mounting frame and a visual detection mechanism, wherein a conveying belt is arranged on the mounting frame and used for conveying a battery pole piece, a plurality of adsorption holes used for connecting a negative pressure air source are formed in the conveying belt, the visual detection mechanism is arranged on the mounting frame, and the visual detection mechanism is located above the conveying belt.
2. 2. The pole piece detection device of claim 1, wherein the visual inspection mechanism comprises a support assembly and a plurality of cameras, the support assembly is fixedly connected with the mounting frame, and the plurality of cameras are arranged on the support assembly.
3. 3. The pole piece detection device of claim 2, wherein the support assembly comprises a first rail and two second rails, the first rail is fixedly connected with the mounting frame in a clamping manner, the first rail extends in a horizontal first direction, the second rail extends in a horizontal second direction, and the two second rails are slidably arranged on the first rail.
4. 4. A pole piece detection device according to claim 3, wherein the number of cameras is four, and two cameras are slidably disposed on each of the second rails.
5. 5. The pole piece detection device according to claim 1, further comprising a driving device and a pressing mechanism, wherein the driving device is arranged on the mounting frame, the driving device is in transmission connection with the pressing mechanism, the pressing mechanism is slidably arranged on the mounting frame along the vertical direction, and the pressing mechanism is positioned above the conveying belt.
6. 6. The pole piece detection device of claim 5, wherein the material pressing mechanism comprises a transmission assembly, a connection assembly and a pressing plate, one end of the transmission assembly is in transmission connection with the driving device, the other end of the transmission assembly is in transmission connection with the connection assembly, and the connection assembly is connected with the pressing plate.
7. 7. The pole piece detection device according to claim 6, wherein the transmission assembly comprises a first rotating member and a crank, the first rotating member comprises a rotating shaft portion and an eccentric shaft portion, one end of the rotating shaft portion is in transmission connection with an output shaft of the driving mechanism, the other end of the rotating shaft portion is fixedly connected with the eccentric shaft portion, the rotating shaft portion and a rotation center line of the eccentric shaft portion are eccentrically arranged, one end of the crank is rotatably connected with the eccentric shaft portion, and the other end of the crank is connected with the connecting assembly.
8. 8. The pole piece detection device of claim 7, wherein the connection assembly comprises a first connection member and a second connection member, the first connection member being connected to the crank and the second connection member, respectively.
9. 9. The pole piece detection device of claim 8, further comprising a first bearing and a second bearing, wherein one end of the crank is rotatably connected to the eccentric shaft portion via the first bearing, and wherein the other end of the crank is connected to the first connecting member via the second bearing.
10. 10. The pole piece detection device of claim 8, wherein the second connecting piece is provided with a bump, the bump is provided with a chute, the mounting frame is provided with a slider, and the slider is slidably disposed in the chute.

Description

Pole piece detection device Technical Field The utility model relates to the technical field of batteries, in particular to a pole piece detection device. Background In the lithium battery production process, the quality of the pole piece directly influences the performance and the safety of the battery. The pole piece detection is a key link in the production process, and parameters such as the size precision, the position of the pole lug, the shape (such as whether flanging and deformation occur) and the like of the pole piece need to be detected. Currently, the existing pole piece detection device generally adopts a visual detection technology, and shoots and analyzes images of the pole piece on the conveying belt through a camera. However, in the actual detection process, the pole piece may cause position deviation due to the problems of vibration of the conveyor belt, flexible characteristic of the pole piece itself, or weak adsorption, and the like, and the detection accuracy is affected. Disclosure of utility model The utility model aims to solve the technical problem of providing a pole piece detection device so as to solve the problems that the pole piece is easy to shift and uneven in surface when the existing pole piece detection device is used for detecting. In order to solve the technical problems, the technical scheme includes that the pole piece detection device comprises a mounting frame and a visual detection mechanism, wherein a conveyor belt is arranged on the mounting frame and used for conveying battery pole pieces, a plurality of adsorption holes used for connecting a negative pressure air source are formed in the conveyor belt, the visual detection mechanism is arranged on the mounting frame, and the visual detection mechanism is located above the conveyor belt. Further, in the pole piece detection device provided by the utility model, the visual detection mechanism comprises a support component and a plurality of cameras, wherein the support component is fixedly connected with the mounting frame in a clamping way, and the cameras are arranged on the support component. Further, in the pole piece detection device of the utility model, the support assembly comprises a first rail and two second rails, the first rail is fixedly connected with the mounting frame in a clamping way, the first rail extends along a horizontal first direction, the second rail extends along a horizontal second direction, and the two second rails are slidably arranged on the first rail. Further, in the pole piece detection device of the present utility model, the number of cameras is four, and two cameras are slidably disposed on each of the second rails. Further, in the pole piece detection device provided by the utility model, the pole piece detection device further comprises a driving device and a material pressing mechanism, wherein the driving device is arranged on the mounting frame and is in transmission connection with the material pressing mechanism, the material pressing mechanism is slidably arranged on the mounting frame along the vertical direction, and the material pressing mechanism is positioned above the conveying belt. Further, in the pole piece detection device provided by the utility model, the material pressing mechanism comprises a transmission assembly, a connection assembly and a pressing plate, one end of the transmission assembly is in transmission connection with the driving device, the other end of the transmission assembly is in transmission connection with the connection assembly, and the connection assembly is connected with the pressing plate. Further, in the pole piece detection device, the transmission assembly comprises a first rotating member and a crank, the first rotating member comprises a rotating shaft portion and an eccentric shaft portion, one end of the rotating shaft portion is in transmission connection with an output shaft of the driving mechanism, the other end of the rotating shaft portion is fixedly connected with the eccentric shaft portion, the rotating shaft portion and a rotation center line of the eccentric shaft portion are eccentrically arranged, one end of the crank is rotatably connected with the eccentric shaft portion, and the other end of the crank is connected with the connecting assembly. Further, in the pole piece detection device of the present utility model, the connection assembly includes a first connection member and a second connection member, and the first connection member is connected to the crank and the second connection member, respectively. Further, in the pole piece detection device of the present utility model, the device further comprises a first bearing and a second bearing, wherein one end of the crank is rotatably connected with the eccentric shaft portion through the first bearing, and the other end of the crank is connected with the first connecting piece through the second bearing. Further, in the pole piece detection device pr