CN219284169U - Electrode group thickness measurement tooling - Google Patents

Abstract

The utility model provides a pole group thickness measurement tool which comprises a fixed frame, a movable plate assembly and a thickness measurement piece, wherein the movable plate assembly and the thickness measurement piece are arranged on the fixed frame; the fixing frame is provided with a measuring platform, a bearing plate is arranged on the measuring platform in a sliding manner along the horizontal direction, and the bearing plate is used for placing a pole group to be detected; the movable plate component is arranged on the fixed bracket in a sliding way and is provided with a pressing plate positioned above the bearing plate, the pressing plate is provided with an end surface to be tested, and the pressing plate bears external driving force and can be pressed downwards towards the bearing plate; the thickness measurement piece is arranged above the pressing plate, and adopts a dial indicator, and the measurement end of the dial indicator can be abutted on the end face to be measured. According to the pole group thickness measurement tool, the movable bearing plate is arranged, so that the pole group can be conveniently taken and placed on the bearing plate, and the micrometer is adopted as a measurement piece, so that the accuracy of pole group thickness measurement can be improved, and the pole group thickness measurement can be accurately, conveniently and effectively measured.

Description

Electrode group thickness measurement tooling

technical field

The utility model relates to the technical field of pole group manufacturing, in particular to a pole group thickness measuring tool.

Background technique

At present, in order to improve the assemblability of the power battery and the safety of the battery cell, many technical means have been adopted in the industry to monitor the thickness level of the battery cell electrode group during the production process of the power battery, such as the use of pressure thickness testing equipment, vernier calipers, micrometers wait. Even so, there are problems of low efficiency, poor accuracy, and low timeliness in the thickness detection of the battery cell electrode group during the production process of the battery cell, which will affect the process capability of the battery cell, the consistency of the battery cell, and even the safety of introducing foreign objects into the battery cell. adverse effects.

In the prior art, some automatic wire thickness detection equipment is used. Although this method has high accuracy, the efficiency is low, and the abnormal detection situation of the electrode group cannot be fed back in time. Some use a vernier caliper to detect the thickness of the electrode group. Although this method is convenient and effective, the accuracy of the measurement cannot be guaranteed, and the strength is difficult to control. It is easy to damage the diaphragm of the electrode group and the positive and negative electrodes, which will affect the overall performance of the electrode group.

Utility model content

In view of this, the utility model aims at proposing a pole group thickness measuring tool to measure the thickness of the pole group accurately, conveniently and effectively.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

A pole group thickness measuring tool, comprising a fixed frame, a moving plate assembly and a thickness measuring piece arranged on the fixed frame;

The fixing frame has a measurement platform, and a bearing plate is slid along the horizontal direction on the measurement platform, and the bearing plate is used to place the pole group to be detected;

The moving plate assembly is slidably arranged on the fixed frame, and has a pressure plate located above the bearing plate, the pressure plate is provided with an end surface to be tested, and the pressure plate can be directed downward toward the bearing plate under external driving force. pressure;

The thickness measuring part is arranged above the pressure plate, and the thickness measuring part adopts a dial gauge, and the measuring end of the dial gauge can abut against the end surface to be measured.

Further, the moving plate assembly includes a guide column slidably arranged on the fixed frame, one end of the guide column is provided with a moving plate, and the other end of the guide column is provided with the pressure plate; the pressure plate and the The moving plate is respectively arranged on two sides of the measuring platform.

Further, a driving device for driving the moving plate assembly is provided between the fixed frame and the moving plate.

Further, the driving device is arranged on the moving plate, and the power output end of the driving device is fixedly connected to the measurement platform.

Further, the guide column is provided at a plurality of intervals in the circumferential direction of the moving plate.

Further, a chute is provided on the measuring platform, and the bearing plate is slidably arranged in the chute.

Further, an operating portion for operating the movement of the carrying plate is provided on the carrying plate.

Further, the bearing plate is provided with a positioning structure for positioning the pole group to be tested.

Further, the positioning structure includes a positioning groove provided on the bearing plate.

Further, the fixed frame is provided with a mounting frame with a mounting position, and the dial indicator is arranged on the mounting position.

Compared with the prior art, the utility model has the following advantages:

The pole group thickness measurement tooling described in the utility model can facilitate the pick-and-place operation of the pole group to be tested by setting the bearing plate sliding along the horizontal direction, and the pole group to be tested on the bearing plate is pressed by the pressure plate, The large area of the electrode group to be tested is stressed, which can prevent the electrode group from being damaged, and the measuring piece adopts a micrometer, which can also improve the accuracy of the thickness measurement of the electrode group, so that the thickness of the electrode group can be measured accurately, conveniently and effectively.

In addition, the provided moving assembly has a compact structure and facilitates the movement of the driving platen along the height direction of the fixing frame. Arranging the driving device between the fixed frame and the moving plate is not only beneficial to the arrangement of the driving device, but also saves installation space and makes the structural arrangement more compact. Setting the driving device on the moving plate can facilitate the installation of the driving device and further save the installation space.

In addition, the set of multiple guide columns is beneficial to ensure the stability of the pressing plate during the moving process. The setting of the chute makes the sliding of the bearing plate smoother and more stable. The operating part arranged on the carrying plate is convenient for operating the movement of the carrying plate. The positioning structure arranged on the bearing plate is beneficial to the positioning of the electrode group to be tested and ensures the accuracy of the relative position of the electrode group to be tested during the movement of the bearing plate. The installed mounting frame can provide an installation basis for the dial indicator, which is beneficial to ensure the installation effect and the use effect of the dial indicator.

Description of drawings

The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is a structural schematic diagram of the pole group thickness measuring tool described in the embodiment of the present invention;

Fig. 2 is a structural schematic diagram of another viewing angle of the pole group thickness measuring tool described in the embodiment of the present invention;

Fig. 3 is a structural schematic diagram of the carrying plate described in the embodiment of the present invention;

Explanation of reference signs:

1. Fixed frame; 2. Moving plate; 3. Pressure plate; 4. Guide column; 5. Mounting frame; 10. Cylinder;

101. Fixed platform; 1011. Linear bearing; 102. Measuring platform; 1021. Chute; 103. Loading plate; 1030. Positioning groove; 1031. Operation part; end; 1002, pressure regulating valve.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In the description of the present utility model, it should be noted that if there are terms such as "up", "down", "inside" and "outside" that indicate orientation or positional relationship, it is based on the orientation or position shown in the drawings. The relationship is only for the convenience of describing the utility model and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the utility model. In addition, if terms such as "first" and "second" appear, they are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

In addition, in the description of the present utility model, unless otherwise clearly defined, the terms "installation", "connection", "connection" and "connector" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary; connected. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in combination with specific situations.

The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

This embodiment relates to a tool for measuring the thickness of an electrode group, which can accurately, conveniently and effectively measure the thickness of the electrode group.

In terms of the overall structure, the pole group thickness measurement tooling of this embodiment, as shown in Figure 1 and Figure 2, the pole group thickness measurement tooling mainly includes a fixed frame 1, and a mobile plate 2 component and a thickness of the fixed frame 1. measuring pieces.

Wherein, the fixed frame 1 has a measurement platform 102, on which a bearing plate 103 is slid along the horizontal direction, and the bearing plate 103 is used for placing the pole group to be tested. The mobile plate 2 assembly is slidably arranged on the fixed frame, and has a pressure plate 3 located above the load plate 103. The pressure plate 3 is provided with an end surface 301 to be tested, and the pressure plate 3 can be pressed down toward the load plate 103 by receiving an external driving force. The thickness measuring part is arranged above the pressing plate 3 , and the thickness measuring part adopts a dial gauge, and the measuring end of the dial gauge can abut against the end surface 301 to be measured.

In the above structure, by setting the bearing plate 103 sliding in the horizontal direction, the pick-and-place operation of the pole group on the tooling can be facilitated, and the pole group to be tested on the bearing plate 103 is pressed by the pressing plate 3, so that the pole group to be tested The large-area force of the pole group can prevent damage to the pole group to be tested, and the use of a micrometer for the measuring piece can also improve the accuracy of the thickness measurement of the pole group, so that the thickness of the pole group can be measured accurately, conveniently and effectively.

Specifically, continue to refer to Fig. 1 and Fig. 2, and at this time, as shown in the above, the pole group thickness measuring device of this embodiment mainly includes a fixed frame 1, and a moving plate 2 assembly and Thickness gauges. Wherein, the fixed frame 1 has a fixed platform 101, the measuring platform 102 is fixedly connected on the fixed platform 101, and the bearing plate 103 is slid on the measuring platform 102 along the horizontal direction, that is to say, the bearing plate 103 has a measuring instrument located on the fixing platform 101. position, and has a pick-and-place position that moves from the position to be tested to the outside of the fixed frame 1 , which facilitates the pick-and-place operation of the pole group to be tested on the carrier plate 103 .

In order to facilitate the sliding of the bearing plate 103 , in this embodiment, a chute 1021 is provided on the measurement platform 102 , and the bearing plate 103 is slidably disposed in the chute 1021 . As shown in Fig. 1 and Fig. 2 in conjunction with Fig. 3, the chute 1021 is arranged at opposite ends of the measuring platform 102, and the two ends of the bearing plate 103 slide in the chute 1021 correspondingly, so that it is beneficial to ensure the sliding process of the bearing plate 103 The stability in .

In order to facilitate the fixing of the pole group to be tested on the carrier plate 103, in this embodiment, a positioning structure for locating the pole group to be tested is provided on the carrier plate 103, so that it can ensure that the pole group to be tested is moved on the carrier plate 103 The stability in the medium is beneficial to ensure the accuracy of the test position of the pole group to be tested.

As a preferred embodiment, referring to Figures 1 to 3, the positioning structure of this embodiment includes a positioning groove 1030 on the upper end surface of the carrier plate 103, and the pole group to be tested is positioned in the positioning groove 1030, so as to ensure The stability of the pole group to be tested during the movement of the bearing plate 103 prevents the relative displacement of the pole group to be tested.

It is worth noting here that, in addition to the above-mentioned positioning groove 1030, the positioning structure of this embodiment can also adopt other structural forms, such as positioning blocks that block the circumferential direction of the pole group to be tested, and so on. feasible.

In this embodiment, in order to facilitate the movement of the carrying plate 103 , an operating portion 1031 is provided at one end of the carrying plate 103 . Specifically, the operating portion 1031 is an operating handle fixed on the bearing plate 103 . By manipulating the operating handle, the bearing plate 103 can be moved in directly above the fixed platform 101 , or moved out to the outside of the fixed frame 1 .

The mobile plate 2 assembly of this embodiment is slidably arranged on the fixed frame, and as a preferred embodiment, as shown in Figure 1 and Figure 2, the mobile plate 2 assembly includes a guide column 4 slidably arranged on the fixed frame 1, One end of the guide column 4 is provided with a moving plate 2 , and the other end of the guide column 4 is provided with a pressing plate 3 . Wherein, the upper end surface of the pressing plate 3 is provided with an end surface 301 to be measured, and the pressing plate 3 and the moving plate 2 are respectively arranged on two sides of the measuring platform 102 . The pressure plate 3 can be pressed down toward the bearing plate 103 under the action of an external driving force, so as to compress the electrode group to be tested.

Corresponding to the guide column 4, in this embodiment, a guide hole is provided on the fixed frame 1, that is, the fixed platform 101, and a linear bearing 1011 is provided in the guide hole, and the guide column 4 is slidably disposed in the linear bearing 1011. As a preferred implementation of this embodiment, a plurality of guide columns 4 in this embodiment are arranged at intervals on the circumference of the moving plate 2 , which is beneficial to ensure the stability of the pressing plate 3 during movement.

In order to facilitate the movement of the components of the movable plate 2 , in this embodiment, a driving device for driving the components of the movable plate 2 to move is provided between the fixed frame 1 and the movable plate 2 . And as a preferred arrangement, in this embodiment, the driving device is fixed on the moving plate 2 , and the power output end 1001 of the driving device is fixed on the measurement platform 102 . In this way, under the drive of the driving device, the moving plate 2 moves along the height direction of the fixed frame 1, and drives the pressure plate 3 to move along the height direction of the fixed frame 1 through the guide column 4, so as to be able to press the electrode group to be tested on the bearing plate 103 on.

Wherein, the above-mentioned driving device is preferably a cylinder 10, and the power output end 1001 of the cylinder 10 is provided with a pressure regulating valve 1002, so as to ensure that the pressing force of the pressing plate 3 to press the electrode group to be tested is within a preset range, such as pressing The tightening force is between 50-100N. In addition, it should be noted that the air source connected to the cylinder 10, or the pneumatic parts and reversing valves matched with the cylinder 10 can refer to the existing mature technology.

In this embodiment, by fixing the driving device on the moving plate 2 and the power output end 1001 on the measurement platform 102, the installation of the driving device can be facilitated, the installation space can be saved, and the structure is more compact.

It can be understood here that, in this embodiment, in addition to fixing the drive device on the moving plate 2 and the power output end 1001 on the measurement platform 102, the drive device can also be fixed on the measurement platform 102. When the power output end 1001 is fixedly connected to the moving plate 2, it can also drive the moving plate 2 to move, and drive the pressing plate 3 to move to compress the pole group to be tested.

The thickness measuring part of this embodiment is arranged above the pressing plate 3, and the thickness measuring part adopts a dial gauge, and the measuring end of the dial gauge can abut against the above-mentioned end surface 301 to be measured. In order to facilitate the installation of the thickness measuring piece, still referring to Fig. 1 and Fig. 2, in this embodiment, a mounting frame 5 with a mounting position 501 is provided on the fixed frame 1, and the dial indicator is installed on the mounting position 501, and The measuring head is made to abut against the end surface 301 to be measured on the upper end surface of the pressure plate 3 . Wherein, the dial gauge preferably adopts a digital display dial gauge to facilitate data reading, and the range of the digital display dial gauge is 0-40mm.

The pole group thickness measuring tool of this embodiment, in specific use, firstly adjust the zero point position of the dial indicator, that is, the position where the pressing plate 3 is pressed on the bearing platform is the zero point position. Then, the carrying plate 103 is moved out by manipulating the operating part 1031 to facilitate the placement of the pole group to be tested. After the pole group to be tested is placed in place, the carrying plate 103 is moved to directly above the fixed platform 101 by manipulating the operating part 1031, that is, the pressing plate 3 directly below. Then, by starting the driving device, the movable plate 2 is driven to move downward, and the pressure plate 3 is driven downward to press the pole group to be tested. At this time, the stable value displayed on the dial gauge is the thickness value of the pole group to be tested.

The pole group thickness measuring tool of this embodiment not only has the characteristics of compact structure and easy operation, but also can accurately, conveniently and effectively measure the thickness of the pole group. Moreover, the electrode group thickness measuring tool can also be placed in the on-line body detection station, so as to realize on-line detection, which can improve the timeliness of the electrode group detection and help solve the problem of inconsistent thickness of the electrode group in the production process.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (10)

1. A pole group thickness measuring tool, characterized in that: It includes a fixed frame, and a mobile plate assembly and a thickness measuring piece arranged on the fixed frame; The fixing frame has a measuring platform, and a bearing plate is slid along the horizontal direction on the measuring platform, and the bearing plate is used to place the pole group to be tested; The moving plate assembly is slidably arranged on the fixed frame, and has a pressure plate located above the bearing plate, the pressure plate is provided with an end surface to be tested, and the pressure plate can be directed downward toward the bearing plate under external driving force. pressure; The thickness measuring part is arranged above the pressure plate, and the thickness measuring part adopts a dial gauge, and the measuring end of the dial gauge can abut against the end surface to be measured. 2. The pole group thickness measuring tool according to claim 1, characterized in that: The moving plate assembly includes a guide column slidably arranged on the fixed frame, one end of the guide column is provided with a moving plate, and the other end of the guide column is provided with the pressure plate; The pressing plate and the moving plate are respectively arranged on two sides of the measuring platform. 3. The pole group thickness measuring tool according to claim 2, characterized in that: A driving device for driving the moving plate assembly to move is provided between the fixed frame and the moving plate. 4. The pole group thickness measuring tool according to claim 3, characterized in that: The driving device is arranged on the moving plate, and the power output end of the driving device is fixedly connected to the measuring platform. 5. The pole group thickness measuring tool according to claim 2, characterized in that: The guide posts are arranged in multiples at intervals in the circumferential direction of the moving plate. 6 . The pole group thickness measuring tool according to claim 1 , wherein a chute is provided on the measuring platform, and the bearing plate is slidably arranged in the chute. 7 . 7. The pole group thickness measuring tool according to claim 1, characterized in that: An operation part for operating the movement of the carrying plate is provided on the carrying plate. 8. The pole group thickness measuring tool according to claim 1, characterized in that: A positioning structure for positioning the pole group to be tested is provided on the bearing plate. 9. The pole group thickness measuring tool according to claim 8, characterized in that: The positioning structure includes a positioning groove provided on the bearing plate. 10. The pole group thickness measuring tool according to any one of claims 1 to 9, characterized in that: the fixing frame is provided with a mounting frame with a mounting position, and the dial gauge is arranged at the mounting position superior.

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