CN221649410U

CN221649410U - Offline thickness measuring device for lithium battery pole piece

Info

Publication number: CN221649410U
Application number: CN202420013145.4U
Authority: CN
Inventors: 臧畅; 祝庆华; 李海峰; 邓传港
Original assignee: Gotion High Tech Co Ltd
Current assignee: Gotion High Tech Co Ltd
Priority date: 2024-01-02
Filing date: 2024-01-02
Publication date: 2024-09-03
Anticipated expiration: 2034-01-02

Abstract

The utility model discloses an offline thickness measuring device of a lithium battery pole piece, which comprises a micrometer for measuring thickness, wherein a display screen is arranged on the micrometer, a probe and a probe base are arranged at the measuring end of the micrometer, the probe is connected with a rotary handle, and a driving part is arranged below the micrometer; the driving part comprises a lifting platform for supporting the micrometer, a horizontal movement mechanism is arranged below the lifting platform, the micrometer can be driven to move in the horizontal direction by arranging the transverse movement device and the longitudinal movement device, the utility model can measure the pole piece at multiple points, and is provided with a lifting table, so that the utility model can adapt to the test of pole pieces at different positions.

Description

Offline thickness measuring device for lithium battery pole piece

Technical Field

The utility model relates to the technical field of lithium battery pole piece production equipment, in particular to an off-line thickness measuring device for a lithium battery pole piece.

Background

The rolling process of the lithium battery pole piece affects the energy density of the lithium battery. The thickness of the rolled pole piece determines the compaction of the pole piece, and is influenced by the roll gap, the pressure and the smoothness of the roll surface and the fluctuation of the thickness of the coating in the coating process, and the thickness of the pole piece also fluctuates in the rolling process. Although the current popular laser thickness gauge can realize on-line detection, the current laser thickness gauge is limited by the high cost of the laser thickness gauge, partial manufacturers can only adopt the traditional sampling cutting mode, the mode needs to be re-connected with the belt, the detection efficiency is low, and the integrity of the pole piece cannot be guaranteed.

Disclosure of utility model

The utility model aims to provide an offline thickness measuring device for a lithium battery pole piece, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a lithium cell pole piece off-line thickness measuring device, includes the micrometer that is used for measuring thickness, be equipped with the display screen on the micrometer, the measurement end of micrometer is equipped with probe, probe base, the probe is connected with rotatory handle, the micrometer below is equipped with drive division;

the driving part comprises a lifting platform for supporting the micrometer, and a horizontal movement mechanism is arranged below the lifting platform.

As a further scheme of the utility model: the micrometer is a deep-throat micrometer, the throat diameter of the deep-throat micrometer is 0-400mm, and the probe of the micrometer is a circular probe.

As a further scheme of the utility model: the lifting platform adopts a knob type lifting platform, and the lifting height of the lifting platform is 40mm.

As a further scheme of the utility model: the upper end of the lifting platform is provided with a clamping seat, and the micrometer is fixedly connected to the clamping seat.

As a further scheme of the utility model: the horizontal movement mechanism comprises a transverse movement device and a longitudinal movement device.

As a further scheme of the utility model: the transverse movement device comprises a transverse base, a sliding rail and a first screw rod are arranged at the upper end of the transverse base, a first sliding table is connected to the sliding rail in a sliding mode, the first sliding table is in threaded connection with the first screw rod, and a first driving motor used for driving the first screw rod is arranged at one end of the transverse base.

As a further scheme of the utility model: the longitudinal movement device comprises a longitudinal base fixedly connected to the first sliding table, a sliding rail and a second screw rod are arranged at the upper end of the longitudinal base, the sliding rail is connected with the second sliding table in a sliding mode, the second sliding table is in threaded connection with the second screw rod, and a second driving motor for driving the second screw rod is arranged at one end of the longitudinal base.

As a further scheme of the utility model: the first driving motor and the second driving motor are connected with a driving control part.

Compared with the prior art, the utility model has the beneficial effects that: the utility model can drive the micrometer to move in the horizontal direction by arranging the transverse movement device and the longitudinal movement device, so that the multi-point measurement can be carried out on the pole piece, and meanwhile, the utility model is also provided with the lifting table, so that the utility model can adapt to the test of pole pieces at different positions.

Drawings

FIG. 1 is an isometric view of the present embodiment;

FIG. 2 is a front view of the present embodiment;

in the figure: the device comprises a 1-driving control part, a 2-first driving motor, a 3-second driving motor, a 4-transverse base, a 5-longitudinal base, a 6-first screw rod, a 7-second screw rod, an 8-first sliding table, a 9-second sliding table, a 10-lifting platform, an 11-clamping seat, a 12-probe, a 13-probe base, a 14-display screen, a 15-micrometer and a 16-rotating handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, in an embodiment of the utility model, an offline thickness measuring device for a lithium battery pole piece comprises a micrometer 15 for measuring thickness, wherein the micrometer 15 adopts a deep-throat micrometer, the throat diameter of the micrometer is 0-400mm, a probe 12 and a probe base 13 are arranged at a measuring end of the micrometer 15, the probe 12 of the micrometer 15 is a circular probe, damage to the lithium battery pole piece during thickness measurement is avoided, the probe 12 is connected with a rotary handle 16, a display screen 14 is arranged on the micrometer 15, and the display screen 14 is used for displaying the measurement result of each time.

The micrometer 15 below is equipped with drive division, and drive division is including the lift platform 10 that is used for supporting micrometer 15, and lift platform 10 upper end is equipped with cassette 11, micrometer 15 fixed connection is on cassette 11, and lift platform 10 adopts knob formula lift platform, and lift platform 10's lift height is 40mm.

The lifting platform 10 below is equipped with horizontal movement mechanism, horizontal movement mechanism includes horizontal movement device and longitudinal movement device, horizontal movement device includes horizontal base 4, horizontal base 4 upper end is equipped with slide rail and first lead screw 6, sliding connection has first slip table 8 on the slide rail, first slip table 8 and first lead screw 6 threaded connection, the one end of horizontal base 4 is equipped with the first driving motor 2 that is used for driving first lead screw 6, longitudinal movement device includes the longitudinal base 5 of fixed connection on first slip table 8, longitudinal base 5 upper end is equipped with slide rail and second lead screw 7, sliding connection has second slip table 9 on the slide rail, second slip table 9 and second lead screw 7 threaded connection, the one end of longitudinal base 5 is equipped with the second driving motor 3 that is used for driving the second lead screw, first driving motor 2, second driving motor 3 are connected with drive control portion 1.

When the device is used, the lithium ion pole piece rolling equipment is suspended, then the action of the first driving motor 2 and the second driving motor 3 is controlled through the driving control part 1, the position of the lifting platform 10 in the horizontal direction can be controlled, when the thickness of the pole piece is required to be measured from left to right, the lifting platform 10 is firstly moved to a first measuring point, the height of the lifting platform 10 is adjusted in a wanning mode, the pole piece is positioned between the probe 12 and the probe base 13 of the micrometer 15, then the probe 12 and the probe base 13 are wiped by alcohol and dust-free cloth, and the micrometer 15 is calibrated, at the moment, the micrometer 15 is positioned at the leftmost side of a pole piece coating, then the lifting platform 10 is adjusted, the probe base 13 is attached to the bottom of the pole piece, then the rotating handle 16 is rotated, the probe 12 is downwards adjusted until the probe 12 is attached to the upper part of the pole piece, the measured thickness data is read through the display screen 14 and recorded, after the measuring is completed, the rotating handle 16 is rotated, the probe 12 and the pole piece is positioned between the first driving motor 2 is started, the first sliding table 6 is driven, the first sliding table 8 is driven to rotate, and the first sliding table 8 is moved to the first sliding table 8 transversely, and the measuring point is moved down.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. An off-line thickness measuring device for a lithium battery electrode, comprising a micrometer (15) for thickness measurement, characterized in that a display screen (14) is provided on the micrometer (15), a probe (12) and a probe base (13) are provided at the measuring end of the micrometer (15), the probe (12) is connected to a rotating handle (16), and a driving unit is provided below the micrometer (15);

The driving part comprises a lifting platform (10) for supporting the micrometer (15), and a horizontal movement mechanism is provided below the lifting platform (10).

2. A lithium battery pole piece offline thickness measuring device according to claim 1, characterized in that the micrometer (15) adopts a deep throat micrometer, the throat diameter of the deep throat micrometer is 0-400mm, and the probe (12) of the micrometer (15) is a circular probe.

3. The off-line thickness measuring device for lithium battery pole pieces according to claim 1 is characterized in that the lifting platform (10) adopts a knob-type lifting platform, and the lifting height of the lifting platform (10) is 40 mm.

4. A lithium battery pole piece offline thickness measuring device according to claim 1, characterized in that a holder (11) is provided at the upper end of the lifting platform (10), and the micrometer (15) is fixedly connected to the holder (11).

5. The off-line thickness measuring device for lithium battery pole pieces according to claim 1, characterized in that the horizontal motion mechanism comprises a lateral motion device and a longitudinal motion device.

6. A lithium battery pole piece offline thickness measuring device according to claim 5, characterized in that the lateral motion device comprises a lateral base (4), a slide rail and a first screw rod (6) are provided at the upper end of the lateral base (4), a first slide table (8) is slidably connected to the slide rail, the first slide table (8) is threadedly connected to the first screw rod (6), and a first drive motor (2) for driving the first screw rod (6) is provided at one end of the lateral base (4).

7. A lithium battery pole piece offline thickness measuring device according to claim 6, characterized in that the longitudinal motion device comprises a longitudinal base (5) fixedly connected to the first slide (8), a slide rail and a second screw rod (7) are provided at the upper end of the longitudinal base (5), a second slide (9) is slidably connected to the slide rail, the second slide (9) is threadedly connected to the second screw rod (7), and a second drive motor (3) for driving the second screw rod is provided at one end of the longitudinal base (5).

8. A lithium battery pole piece offline thickness measurement device according to claim 7, characterized in that the first drive motor (2) and the second drive motor (3) are connected to a drive control unit (1).