CN-224202405-U - Thickness measuring device for pole piece

Abstract

The utility model relates to the technical field of battery detection and discloses a thickness measuring device for a pole piece, which comprises a base, wherein a mounting frame is arranged on the base, the mounting frame can move relative to the base, a measuring mechanism is arranged on the mounting frame and is used for measuring the thickness of the pole piece, and an adjusting mechanism is arranged between the measuring mechanism and the mounting frame and is used for adjusting the preset angle of the measuring mechanism relative to the mounting frame.

Inventors

• WEI DALONG

Assignees

• 合肥国轩高科动力能源有限公司

Dates

Publication Date

20260505

Application Date

20250430

Claims (10)

1. 1. A thickness measuring device for a pole piece, comprising: A base; The mounting frame is arranged on the base and can move relative to the base; the measuring mechanism is arranged on the mounting frame and used for measuring the thickness of the pole piece; the adjusting mechanism is arranged between the measuring mechanism and the mounting frame and is used for adjusting the preset angle of the measuring mechanism relative to the mounting frame.
2. 2. The thickness measuring device for pole pieces according to claim 1, further comprising a driving mechanism, wherein the driving mechanism is connected with the base and the mounting frame and is used for driving the mounting frame and the measuring mechanism thereon to move on the base along the width direction of the pole pieces, and the measuring mechanism performs thickness measurement on the pole pieces passing through the mounting frame in the moving process of the mounting frame.
3. 3. The thickness measuring device of the pole piece according to claim 1, further comprising a calibration mechanism, wherein the calibration mechanism is arranged on a moving path of the mounting frame and is positioned at the tail end of the pole piece in the width direction, and when the mounting frame moves on the moving path, the measurement mechanism sequentially passes through the pole piece and the calibration mechanism.
4. 4. The thickness measuring device of claim 1, wherein the measuring mechanism comprises two thickness sensing members disposed opposite to each other with a predetermined distance therebetween, and the pole piece passes between the two thickness sensing members.
5. 5. The thickness measuring device of the pole piece according to claim 1, wherein the adjusting mechanism comprises a first fixing plate, a fixing piece and a first installation seat, the first fixing plate is movably connected to the end portion of the installation frame, an arc-shaped limit groove is formed in the first fixing plate, the fixing piece penetrates through the arc-shaped limit groove and is connected with the installation frame, the first fixing plate can move relatively on the installation frame along the arc-shaped limit groove, the first installation seat is arranged on one side, away from the installation frame, of the first fixing plate, and the measuring mechanism is arranged on the first installation seat.
6. 6. The thickness measuring device of claim 2, wherein the driving mechanism comprises a first guide member, a first guide mating member and a driving assembly, the first guide member is disposed on the base, the mounting frame is disposed on the first guide mating member, the first guide mating member is in guide mating with the first guide member, and the driving assembly is used for driving the first guide mating member to move on the first guide member.
7. 7. The thickness measuring device of the pole piece according to claim 6, wherein the driving assembly comprises a screw rod, a connecting piece, a second mounting seat and a motor, the screw rod is arranged on the side edge of the base through the second mounting seat, the connecting piece is in threaded connection with the screw rod, one end of the connecting piece is connected with the first guiding matching piece, the motor is in transmission connection with the screw rod, and the motor drives the connecting piece to reciprocate on the screw rod.
8. 8. A thickness measuring apparatus according to claim 3, wherein a second guide member is provided on a side of the base, and a second guide engaging member is provided on the calibration mechanism, and the second guide engaging member is in guide engagement with the second guide member so that the position of the calibration mechanism relative to the base is adjustable.
9. 9. The thickness measuring device of the pole piece according to claim 3, wherein the calibration mechanism comprises a support rod, a third mounting seat, a second fixing plate and a calibration piece, the third mounting seat is arranged at the end part of the support rod, the second fixing plate is rotationally connected with the third mounting seat, and the calibration piece is arranged on the second fixing plate.
10. 10. The thickness measuring device of the pole piece according to claim 1, wherein the base is provided with a dust-proof mechanism, the dust-proof mechanism comprises a dust-proof frame and two sections of folding dust-proof covers, the two sections of folding dust-proof covers are arranged on one side of the dust-proof frame, which is far away from the base, the mounting frame extends from between the two sections of folding dust-proof covers to the outer side of the folding dust-proof covers, and when the mounting frame moves, the two sections of folding dust-proof covers are respectively compressed or stretched.

Description

Thickness measuring device for pole piece Technical Field The utility model relates to the technical field of battery detection, in particular to a thickness measuring device for a pole piece. Background In the lithium battery production process, the control of the thickness of the pole piece is a key link, and the performance and the reliability of the battery are directly affected. Therefore, the thickness detection of the rolled pole piece is particularly important. However, the pole piece thickness gauge in the current industry has some technical defects despite the mature technology, and needs to be improved. For example, when measuring thickness, the distance between the measuring sensor and the surface of the pole piece is ensured to be vertical and stable, so as to ensure the accuracy of the measuring result, however, in practical situations, the angle of the pole piece pressed out by the roller device is often inclined due to long-time use or other factors, and the angle of the measuring sensor of the device cannot be adjusted or is relatively complex due to the fact that the roller device is difficult to adjust, so that the universality of the thickness measuring device is poor, and the pole pieces with different widths and different inclination angles cannot be suitable. Disclosure of utility model The utility model aims to provide a thickness measuring device for pole pieces, which solves the problems in the prior art, and is simple to operate and capable of greatly prolonging the service life and the application range of a thickness gauge by adjusting the angle of a measuring sensor to adapt to pole pieces with different widths and different inclination angles. The utility model provides a thickness measuring device of a pole piece, which comprises: A base; The mounting frame is arranged on the base and can move relative to the base; the measuring mechanism is arranged on the mounting frame and used for measuring the thickness of the pole piece; the adjusting mechanism is arranged between the measuring mechanism and the mounting frame and is used for adjusting the preset angle of the measuring mechanism relative to the mounting frame. The thickness measuring device for the pole piece, as described above, preferably, further comprises a driving mechanism, wherein the driving mechanism is connected with the base and the mounting frame and is used for driving the mounting frame and the measuring mechanism thereon to move on the base along the width direction of the pole piece, and in the moving process of the mounting frame, the measuring mechanism performs thickness measurement on the pole piece passing through the mounting frame. The thickness measuring device for the pole piece, as described above, preferably further includes a calibration mechanism, where the calibration mechanism is disposed on a moving path of the mounting frame and is located at an end of the pole piece in a width direction, and when the mounting frame moves on the moving path, the measurement mechanism sequentially passes through the pole piece and the calibration mechanism. In the thickness measuring device for a pole piece, preferably, the measuring mechanism includes two thickness sensing members disposed opposite to each other, a preset distance is provided between the two thickness sensing members, and the pole piece passes between the two thickness sensing members. The thickness measuring device for the pole piece comprises a first fixing plate, a fixing piece and a first installation seat, wherein the first fixing plate is movably connected to the end portion of the installation frame, an arc-shaped limit groove is formed in the first fixing plate, the fixing piece penetrates through the arc-shaped limit groove and is connected with the installation frame, the first fixing plate can move relatively on the installation frame along the arc-shaped limit groove, the first installation seat is arranged on one side, away from the installation frame, of the first fixing plate, and the measuring mechanism is arranged on the first installation seat. The thickness measuring device for the pole piece, as described above, preferably, the driving mechanism includes a first guiding element, a first guiding matching element and a driving assembly, the first guiding element is disposed on the base, the mounting frame is disposed on the first guiding matching element, the first guiding matching element is in guiding matching with the first guiding element, and the driving assembly is used for driving the first guiding matching element to move on the first guiding element. The thickness measuring device for the pole piece, as described above, preferably, the driving assembly includes a screw, a connecting piece, a second mounting seat and a motor, the screw is disposed on the side edge of the base through the second mounting seat, the connecting piece is in threaded connection with the screw, one end of the connecting piece is connec