Device for measuring deflection angle of tail part of PACK battery pack

Abstract

The utility model discloses a device for measuring the deflection angle of the tail part of a PACK battery pack, which relates to the technical field of battery pack detection and comprises a support frame, the front end of the support frame is provided with a clamping part, and the clamping part comprises a clamping cylinder, a clamping finger and a clamping vertical block; measuring parts are arranged on the two sides of the supporting frame, and each measuring part comprises a measuring sensor and a calibration sample block; locating pins are arranged in front of and behind a middle shaft of the supporting frame. According to the utility model, accurate positioning of the battery pack in the XY direction is ensured by adopting the positioning pin, and the battery pack is automatically clamped by the clamping cylinder, so that the operation efficiency is improved. And the proximity switch detects the existence of the battery pack, so that automation and safety are enhanced. The 3D camera is used for rapid and accurate measurement, and calibration sample blocks of different models are matched, so that the device has good adaptability and flexibility. Automatic quality control is achieved through virtual operation of the PLC technology and sensor data, the high requirement for large-size power battery PACK deflection angle measurement in the automobile manufacturing industry is met, and the method has important influence on industry development.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pack detection, in particular to a device for measuring the deflection angle of the tail of a PACK battery pack. Background Art

[0002] With the rapid iterative development of new energy vehicles, the performance requirements for power battery PACKs are getting higher and higher, showing a trend of larger battery volume and higher energy density. When the volume of the power battery PACK increases to a certain extent, it is necessary to measure the deflection angle of the PACK. Due to the size of conventional PACKs, their own rigidity is sufficient, and there is no need to measure the deflection angle of the PACK. However, the deflection angle of large-volume PACKs is related to the operating safety of the power battery. In response to this demand, the market urgently needs a structure to measure the deflection of the tail of the PACK battery pack to meet the production needs of large-volume power battery PACKs. Utility Model Content

[0003] The purpose of the utility model is to provide a device for measuring the deflection angle of the tail of a PACK battery pack to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for measuring the deflection angle of the tail of a PACK battery pack, comprising a support frame, a clamping portion is provided at the front end of the support frame, and the clamping portion includes a clamping cylinder, clamping fingers and a clamping block; measuring portions are provided on both sides of the support frame, and the measuring portions include a measuring sensor and a calibration sample block; positioning pins are provided at the front and rear of the central axis of the support frame.

[0005] Furthermore: the clamping cylinder is fixedly connected to the support frame through a clamping bracket, the clamping fingers are arranged on the head of the clamping cylinder, and the lower part of the clamping block is fixedly connected to the support frame.

[0006] Furthermore: the measuring sensor is fixedly connected to the support frame via a measuring base plate, measuring columns are arranged on both sides of the measuring base plate, and both ends of the calibration sample block are sleeved on the heads of the measuring columns.

[0007] Preferably, adjustment frames are provided on both sides of the rear of the support frame.

[0008] Preferably: a proximity switch is provided on one side of the positioning pin.

[0009] Preferably, a placement groove is provided at the rearmost end of the support frame.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model can effectively solve the problem of measuring the deflection angle of the new generation of large-volume power battery PACKs, realize the precise positioning of the battery pack in the XY direction through the positioning pins, ensure the accuracy of the measurement, and the clamping cylinder drives the clamping fingers to swing and clamp the battery pack. The automated clamping process improves the operation efficiency and consistency. The proximity switch is used to detect whether the battery pack exists, which improves the degree of automation and safety. The use of a 3D camera as a measuring sensor can quickly and accurately measure the height distance between the middle and rear sections of the battery pack. Different calibration sample block models can be placed in the device to adapt to different models of battery packs, increasing the flexibility of the device. The deflection angle is calculated through virtual calculations using PLC technology and sensor data to achieve automated quality control. It realizes the production needs of large-volume power battery PACK deflection angle measurement in the automotive manufacturing industry, which has a great influence and far-reaching significance. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is an enlarged schematic diagram of point A;

[0013] Figure 3 This is an enlarged schematic diagram of point B;

[0014] Figure 4 This is an enlarged schematic diagram of point C.

[0015] In the figure: 1, support frame, 2, clamping part, 3, measuring part, 4, adjustment frame, 5, positioning pin, 6, placement slot, 7, proximity switch, 201, clamping bracket, 202, clamping cylinder, 203, clamping finger, 204, clamping block, 301, measuring base plate, 302, measuring sensor, 303, measuring column, 304, calibration sample block. DETAILED DESCRIPTION

[0016] The present invention will be described below based on the embodiments in conjunction with the accompanying drawings in the embodiments of the present invention. However, it is worth noting that the present invention is not limited to these embodiments. In the detailed description of the present invention below, some specific details are described in detail. However, for the parts that are not described in detail, those skilled in the art can also fully understand the present invention.

[0017] In addition, those skilled in the art should understand that the drawings are only provided to illustrate the purpose, features and advantages of the present invention, and the drawings are not actually drawn according to scale.

[0018] At the same time, unless the context clearly requires otherwise, the words "include", "comprises" and similar words throughout the specification and claims should be interpreted as inclusive rather than exclusive or exhaustive; that is, the meaning is "including but not limited to".

[0019] See also Figure 1-Figure 4 The utility model provides a technical solution: comprising a support frame 1, a clamping portion 2 is provided at the front end of the support frame 1, and the clamping portion 2 includes a clamping cylinder 202, a clamping finger 203 and a clamping block 204; measuring portions 3 are provided on both sides of the support frame 1, and the measuring portions 3 include a measuring sensor 302 and a calibration sample block 304; positioning pins 5 are provided at the front and rear of the central axis of the support frame 1.

[0020] The clamping cylinder 202 is fixedly connected to the support frame 1 through the clamping bracket 201 , the clamping finger 203 is arranged at the head of the clamping cylinder 202 , and the clamping block 204 is fixedly connected to the support frame 1 at the bottom.

[0021] The measuring sensor 302 is fixed to the support frame 1 via a measuring base plate 301 . Measuring columns 303 are provided on both sides of the measuring base plate 301 . Both ends of the calibration sample block 304 are sleeved on the heads of the measuring columns 303 .

[0022] Adjustment frames 4 are provided on both sides of the rear of the support frame 1 .

[0023] A proximity switch 7 is provided on one side of the positioning pin 5 .

[0024] The rearmost end of the support frame 1 is provided with a placement groove 6 .

[0025] This device can realize the deflection measurement of large-volume battery packs PACK and meet the safety detection process requirements of large-volume battery packs PACK.

[0026] The measurement of the PACK battery pack tail deflection is to fix (support + clamp) the front section of the battery pack, and the rear section only provides a central fulcrum. By detecting the deflection amount on both sides of the middle section and both sides of the rear section, the deflection angle is calculated through the existing PLC technology + 3D camera sensor data virtual operation.

[0027] The positioning pins are used to accurately position the battery pack in the XY direction; the adjustment frame is an adjustment link in the height direction, used to compensate for the coplanarity of the supporting plane; the proximity switch 7 is used to detect the presence or absence of the battery pack PACK.

[0028] The clamping part 2 includes a clamping bracket 201, a clamping cylinder 202, a clamping finger 203 and a clamping block 204. The clamping cylinder 202 is used to realize the swing clamping of the clamping finger 203; the clamping finger 203 is installed on the clamping cylinder for contacting and clamping the battery pack PACK; a proximity switch 7 is also provided on the side of the clamping cylinder 202 for monitoring the in-situ and in-position status of the clamping cylinder.

[0029] The measuring part 3 includes a measuring base plate 301, a measuring sensor 302 and a calibration sample block 304. The measuring base plate 301 is used to install the measuring sensor 302 (3D camera purchased from the existing market, wide-area camera, can measure the distance between the bottom of the calibration sample block 304) and the calibration sample block 304, and the calibration sample block 304 is arranged above the measuring column 303 and can be removed; the measuring sensor 302 is used to measure the height distance between the ground on both sides of the middle and rear sections of the battery pack PACK; Calibration block 304 is used to measure sensor 302 Origin calibration Different types of calibration samples 304 are placed in the placement slot 6 to accommodate different types of battery packs PACK.

[0030] The battery pack will be placed on the device through a robotic arm, with the front and rear ends inserted into the positioning pins 5. The clamping part 2 then drives the clamping fingers 203 to rotate through the clamping cylinder 202 to cooperate with the clamping block 204 to clamp the front end of the battery pack. If the heights of the two sides of the battery pack are inconsistent and there is distortion and deflection, the measuring sensor 302 will detect at the designated position coordinates of the battery pack, and compare the detection data with the bottom distance data of the calibration sample block 304. If the difference is too large, it is unqualified and requires subsequent processing. Otherwise, the clamping part 2 is released, and the robotic arm transports the battery pack to the next workstation.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for measuring the deflection angle of the tail of a PACK battery pack, characterized in that: The invention comprises a support frame (1), wherein a clamping portion (2) is provided at the front end of the support frame (1), wherein the clamping portion (2) comprises a clamping cylinder (202), clamping fingers (203) and a clamping stand (204); measuring portions (3) are provided on both sides of the support frame (1), wherein the measuring portions (3) comprise a measuring sensor (302) and a calibration sample block (304); and positioning pins (5) are provided at the front and rear of the central axis of the support frame (1).

2. The device for measuring the deflection angle of the tail of a PACK battery pack according to claim 1, characterized in that: The clamping cylinder (202) is fixedly connected to the support frame (1) via a clamping bracket (201); the clamping finger (203) is arranged at the head of the clamping cylinder (202); and the clamping block (204) is fixedly connected to the support frame (1) at the bottom.

3. The device for measuring the deflection angle of the tail of a PACK battery pack according to claim 1, characterized in that: The measuring sensor (302) is fixedly connected to the support frame (1) via a measuring base plate (301), measuring columns (303) are provided on both sides of the measuring base plate (301), and both ends of the calibration sample block (304) are sleeved on the heads of the measuring columns (303).

4. The device for measuring the deflection angle of the tail of a PACK battery pack according to claim 1, characterized in that: Adjustment frames (4) are provided on both sides of the rear of the support frame (1).

5. The device for measuring the deflection angle of the tail of a PACK battery pack according to claim 1, characterized in that: A proximity switch (7) is provided on one side of the positioning pin (5).

6. The device for measuring the deflection angle of the tail of a PACK battery pack according to claim 1, characterized in that: The rearmost end of the support frame (1) is provided with a placement groove (6).

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