CN109946321B - Detection method of battery cell flexible circuit board - Google Patents

Detection method of battery cell flexible circuit board Download PDF

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Publication number
CN109946321B
CN109946321B CN201910252383.4A CN201910252383A CN109946321B CN 109946321 B CN109946321 B CN 109946321B CN 201910252383 A CN201910252383 A CN 201910252383A CN 109946321 B CN109946321 B CN 109946321B
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circuit board
flexible circuit
detection
piece
shaping
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CN109946321A (en
Inventor
陈佳斌
洪耀林
黄新政
毛雪林
郭秋明
巴骄
周俊雄
周俊杰
杜义贤
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Guangdong Lyric Robot Automation Co Ltd
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Guangdong Lyric Robot Intelligent Automation Co Ltd
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Abstract

The invention discloses a detection method of a flexible circuit board of a battery cell, which comprises the following steps of adjusting the position of a detection piece relative to the flexible circuit board according to the position deviation of the flexible circuit board before and after being turned over by 180 degrees; the detection piece is used for carrying out appearance detection on one surface of the flexible circuit board. The utility model provides a position offset adjusts around the detection piece overturns 180 degrees according to the flexible line way board for the positive and the reverse side of flexible line way board are in the formation of image end coverage that detects the piece all the time and detect, in order to ensure the accuracy that flexible line way board outward appearance detected.

Description

Detection method of battery cell flexible circuit board
Technical Field
The invention relates to the technical field of appearance detection, in particular to a detection method of a flexible circuit board of a battery cell.
Background
In the production process of the battery cell, a flexible circuit board needs to be arranged at the end part of the battery cell to realize telecommunication connection between the battery cell and the outside through the flexible circuit board, so that the appearance detection is needed to be carried out on the front side and the back side of the flexible circuit board connected with the end part of the battery cell respectively in the production process to ensure the quality of products, and the appearance detection of the flexible circuit board is generally carried out by adopting a CCD (charge coupled device) imaging system.
The flexible circuit board generally can be connected on the terminal surface of the short side place tip of electric core, for example, as shown in fig. 1, fig. 1 is a schematic structural diagram of the electric core that is connected with the flexible circuit board, the end surface position that the flexible circuit board set up at electric core tip is not in central point, so when electric core upset, the position that the flexible circuit board is located the terminal surface of electric core tip can change, the flexible circuit board also can change for detecting CCD image detection system and height, and CCD image detection system's among the prior art detection coverage is the flexible circuit board after unable coverage to position and height change, position and height when leading to CCD image detection system to shoot and detect the flexible circuit board are not in the optimum position, and then can image outward appearance testing result's accuracy.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a detection method of a flexible circuit board of a battery cell.
A detection method of a battery cell flexible circuit board comprises the steps of adjusting the position of a detection piece relative to the flexible circuit board according to the position offset of the flexible circuit board before and after the flexible circuit board is turned over by 180 degrees;
the detection piece is used for carrying out appearance detection on one surface of the flexible circuit board.
According to an embodiment of the present invention, before the flexible printed circuit board is turned over by 180 degrees, the flexible printed circuit board further includes:
the detection piece is used for carrying out appearance detection on the other surface of the flexible circuit board.
According to an embodiment of the present invention, before the appearance of the flexible printed circuit board is detected, the method further includes:
the shaping piece shapes the flexible circuit board.
According to an embodiment of the present invention, before the shaping of the flexible circuit board, the method further includes:
the position deviation is preset.
According to an embodiment of the present invention, adjusting the position of the detecting member with respect to the flexible wiring board includes:
adjusting the position of the detection piece relative to the flexible circuit board according to the displacement difference of the flexible circuit board along the X-axis direction before and after the flexible circuit board is turned over by 180 degrees;
and adjusting the position of the detection piece relative to the flexible circuit board according to the displacement difference of the flexible circuit board along the Z-axis direction before and after the flexible circuit board is turned over by 180 degrees.
According to an embodiment of the present invention, adjusting the position of the detecting member with respect to the flexible wiring board includes:
adjusting the position of the detection piece relative to the flexible circuit board according to the displacement difference of the flexible circuit board along the Z-axis direction before and after the flexible circuit board is turned over by 180 degrees;
and adjusting the position of the detection piece relative to the flexible circuit board according to the displacement difference of the flexible circuit board along the X-axis direction before and after the flexible circuit board is turned over by 180 degrees.
According to an embodiment of the present invention, after the appearance of one surface of the flexible printed circuit board is detected by the detecting member, the detecting member further includes:
and judging that the appearance of one surface of the flexible circuit board is qualified, and entering the next procedure.
According to an embodiment of the present invention, if the appearance of one surface of the flexible printed circuit board is determined to be unqualified, the inspection or blanking is stopped to the NG position.
According to an embodiment of the present invention, after the inspection piece performs appearance inspection on the other surface of the flexible printed circuit board, the inspection piece further includes:
and judging that the appearance detection of the other surface of the flexible circuit board is qualified, and entering the next procedure.
According to an embodiment of the present invention, if the appearance of the other surface of the flexible printed circuit board is determined to be unqualified, the inspection or blanking is stopped to the NG position.
Compared with the prior art, the detection piece of this application adjusts according to the position offset around the flexible line way board upset 180 degrees for the front and the reverse side of flexible line way board are in the formation of image end coverage that detects piece all the time and detect, and in order to ensure the accuracy that flexible line way board outward appearance detected.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a battery cell connected with a flexible circuit board;
fig. 2 is a flowchart of a method for detecting a flexible circuit board of a battery cell in this embodiment;
FIG. 3 is a schematic structural view of the detecting member, the shaping member and the manual adjusting member in the present embodiment;
fig. 4 is a schematic structural view of another view angle of the detecting member, the shaping member and the manual adjusting member in the present embodiment.
Description of reference numerals:
100. an electric core; 200. a flexible circuit board; 1. a shaping driving member; 2. shaping and pressing the parts; 21. pressing the blocks; 22. pressing the block; 23. a limiting block; 3. shaping the migration piece; 31. shaping the transfer drive; 32. shaping a transfer plate; 33. a reshaping bracket; 4. an imaging detection member; 5. an imaging detection light source; 6. detecting an adjusting piece; 61. a first adjustment member; 62. a carrier plate; 63. a second adjustment member; 64. a background plate; 7. a bearing table; 8. a manual adjustment member; 81. a base plate; 82. a support plate; 83. a screw pair; 84. a guide rail; 85. a sliding table; 86. a hand wheel; 87. a locking member.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
For a further understanding of the contents, features and effects of the present invention, the following examples are illustrated in the accompanying drawings and described in the following detailed description:
referring to fig. 2, fig. 2 is a flowchart of a method for detecting a flexible circuit board of a battery cell in this embodiment. The detection method of the cell flexible circuit board in the embodiment comprises the following steps:
the position deviation is preset. Referring to fig. 1, fig. 1 is a schematic structural diagram of a battery cell connected with a flexible circuit board. A flexible circuit board 200 is connected to an end of the battery cell 100, so that the battery cell 100 is connected to the outside through the flexible circuit board 200 for telecommunication, for example, the battery cell 100 is connected to the MCU. The flexible printed circuit 200 is disposed on the end face of the short side of the battery cell 100, and is parallel to the core surface of the battery cell 100, the flexible printed circuit 200 can flush with one of the core surfaces of the battery cell 100, and can also be disposed between two core surfaces of the battery cell 100, the flexible printed circuit 200 can be disposed at a position where the end surface of the battery cell 100 is close to the left, and can also be disposed at a position where the end surface of the battery cell 100 is close to the right, and the specific arrangement is that the flexible printed circuit 200 of the battery cell 100 and the battery cell 100 are matched according to different specifications.
When the battery cell 100 is turned over, the relative position of the flexible circuit board 200 may change. When a person faces the end surface of the battery cell 100, a direction parallel to the core surface of the battery cell 100 is an X-axis direction, and a direction perpendicular to the core surface of the battery cell 100 is a Z-axis direction. That is, after the battery cell 100 is turned over by 180 degrees, the flexible printed circuit 200 may generate a position shift, where the position shift includes two displacement differences, one is the displacement difference before and after the flexible printed circuit 200 is turned over by 180 degrees along the X-axis direction, and the other is the displacement difference before and after the flexible printed circuit 200 is turned over by 180 degrees along the Z-axis direction.
When the appearance of the front surface and the back surface of the flexible circuit board 200 is detected, the imaging end of the detection piece is required to be always over against the front surface or the back surface of the flexible circuit board 200, so that the front surface or the back surface of the flexible circuit board 200 can be accurately detected by imaging, in order to realize that the imaging end of the detection piece is always over against the front surface or the back surface of the flexible circuit board 200, the imaging end of the detection piece is required to be adjusted according to the displacement difference of the flexible circuit board 200 before and after being turned over by 180 degrees, namely, the imaging end of the detection piece is required to be adjusted according to the preset position deviation.
The preset value of the positional deviation can be obtained by: first, two position data of the flexible circuit board 200 along the X-axis direction and two position data along the Z-axis direction before and after the battery cell 100 is turned over by 180 degrees are actually measured. Then, subtracting the two position data along the X-axis direction, subtracting the two position data along the Z-axis direction, and respectively taking the absolute values after the data subtraction, so as to obtain the displacement difference of the flexible circuit board 200 in the X-axis direction and the Z-axis direction, that is, obtain the preset position offset.
It is understood that the displacement offset of the flexible wiring board 200 of different specifications or different batches of the battery cells 100 is different. Before appearance detection is required to be performed on the flexible circuit boards 200 of the battery cells 100 of different specifications or different batches, corresponding position deviation needs to be actually detected, and then presetting is performed, so that adjustment of subsequent detection pieces is facilitated.
After the predetermined position shift, the shaping member shapes the flexible wiring board 200. It can be understood that, the flexible printed circuit 200 is disposed at the end of the battery cell 100, and some slight changes of the shape, for example, slight tilting of the flexible printed circuit 200, may affect the appearance detection of the flexible printed circuit 200, and may also affect the accuracy of the preset position offset, so that the flexible printed circuit 200 needs to be shaped before actually performing the appearance detection of the flexible printed circuit 200.
Referring to fig. 3, fig. 3 is a schematic structural view of the detecting member, the shaping member and the manual adjusting member in the present embodiment. The shaping element in this embodiment comprises a shaping drive 1 and a shaping press 2. The shaping pressing piece 2 comprises an upper pressing block 21 and a lower pressing block 22, the output end of the shaping driving piece 1 is connected with the upper pressing block 21 and the lower pressing block 22 respectively, the shaping driving piece 1 drives the upper pressing block 21 and the lower pressing block 22 to move oppositely, and the flexible circuit board 200 is pressed from the front side and the back side of the flexible circuit board 200 respectively to finish shaping of the flexible circuit board. The plastic drive 1 in this embodiment may be a pneumatic gripper.
It can be understood that, when the upper pressing block 21 and the lower pressing block 22 are pressed together, the distance between the two is equal to the thickness of the flexible printed circuit board 200, if the distance between the two is smaller than the thickness of the flexible printed circuit board 200, the flexible printed circuit board 200 may be damaged, and if the distance between the two is larger than the thickness of the flexible printed circuit board 200, the shaping effect may not be achieved. Preferably, plastic pressfitting piece 2 still includes stopper 23, and stopper 23 is located between briquetting 21 and the briquetting 22 down, and the thickness of stopper 23 equals flexible circuit board 200's thickness, and it is spacing to go up the pressfitting of briquetting 21 and briquetting 22 down through stopper 23 for pressfitting distance between them just equals the thickness of flexible circuit board.
Preferably, the shaping member further comprises a shaping transfer member 3. The shaping transfer part 3 is used for moving the positions of the shaping driving part 1 and the shaping pressing part 2, so that the shaping driving part 1 and the shaping pressing part 2 are transferred to corresponding stations when the flexible circuit board 200 is shaped, and the flexible circuit board exits from the shaping stations after shaping is completed. Specifically, the shaping transfer member 3 includes a shaping transfer drive 31 and a shaping transfer plate 32. The output end of the shaping migration driving part 31 is connected with the shaping migration board 32, the shaping driving part 1 is arranged on the shaping migration board 32, the shaping migration driving part 31 drives the shaping migration board 32 to move, the shaping driving part 1 is driven to move, the upper pressing block 21 and the lower pressing block 22 are driven to move to the shaping station, and the shaping driving part 1 drives the upper pressing block 21 and the lower pressing block 22 to shape the flexible circuit board 200. The shaping transfer drive 31 in this embodiment may be a pneumatic cylinder or a linear module, which may be supported by a shaping support 33.
After the shaping unit shapes the flexible printed circuit board 200, the inspection unit performs appearance inspection on the front surface of the flexible printed circuit board 200. With continued reference to fig. 3 and 4, fig. 4 is a schematic structural view of the detecting member, the shaping member, and the manual adjusting member from another perspective in the present embodiment. The detecting member in this embodiment includes an imaging detecting member 4, an imaging detecting light source 5, and a detecting adjusting member 6. The detection adjusting part 6 is respectively connected with the imaging detection part 4 and the imaging detection light source 5, and the detection adjusting part 6 is used for adjusting the positions of the imaging detection part 4 and the imaging detection light source 5. The imaging detection part 4 is used for imaging detection of the flexible circuit board 200, and the imaging detection light source 5 is used for providing a light source for imaging detection of the flexible circuit board 200.
Specifically, the detecting adjuster 6 includes a first adjuster 61, a carrier plate 62, and a second adjuster 63. The output end of the first adjusting member 61 is connected to the carrier plate 62, which drives the carrier plate 62 to move linearly along the X-axis direction. The second adjusting member 63 is disposed on the bearing plate 62, and an output end of the second adjusting member 62 is connected to the imaging detecting member 4 and the imaging detecting light source 5 respectively, and drives the imaging detecting member 4 and the imaging detecting light source 5 to move linearly along the Z-axis direction. The imaging detection part 4 is positioned above the flexible circuit board 200, and the imaging end of the imaging detection part 4 is opposite to the flexible circuit board 200. The imaging detection light source 5 is positioned between the imaging detection piece 4 and the flexible circuit board 200, and emits light rays facing the flexible circuit board 200 to provide illumination when the imaging detection piece 4 performs imaging; preferably, the imaging detection light source 5 is a ring light source, and the emitted light surrounds the flexible circuit board 200 to provide uniform and sufficient illumination for the imaging detection member 4, so as to ensure the imaging quality. In this embodiment, the imaging detector 4 may be a CCD camera.
Preferably, the detection adjusting member 6 further includes a background plate 64. The background plate 64 is located on the side of the flexible circuit board 200 away from the imaging detection light source 5 to provide a background for the imaging detection member 4 during imaging, thereby ensuring the imaging quality of the imaging detection member 4.
After the detection piece performs appearance detection on the front surface of the flexible circuit board 200, if the appearance detection on the front surface of the flexible circuit board 200 is judged to be qualified, the next process is performed, and if the appearance detection on the front surface of the flexible circuit board 200 is judged to be unqualified, the detection or the blanking is stopped to the NG position. Specifically, the positive appearance of the flexible printed circuit board 200 is judged to be qualified by adopting a comparison mode, for example, the information of the picture of the flexible printed circuit board 200 is prestored, the real-time picture taken by the imaging detection part 4 is compared with the information of the picture of the flexible printed circuit board 200 prestored, if the comparison information is consistent, the picture is qualified, otherwise, the picture is an NG product, the qualified product can enter the next process, namely the detection of the reverse side of the flexible printed circuit board 200, and the unqualified NG product needs to be stopped for detection and is discharged to an NG position.
The position of the detecting member relative to the flexible wiring board 200 is adjusted according to the positional deviation before and after the flexible wiring board is turned over by 180 degrees. The detection member performs appearance detection on the reverse side of the flexible wiring board 200. The following two ways are provided for adjusting the position of the detecting member relative to the flexible circuit board 200:
in the first mode, the position of the detection member with respect to the flexible wiring board 200 is adjusted based on the difference in displacement of the flexible wiring board 200 in the X-axis direction before and after the flexible wiring board 200 is turned over by 180 degrees. Then, the position of the detecting member relative to the flexible circuit board 200 is adjusted according to the displacement difference of the flexible circuit board 200 along the Z-axis direction before and after the flexible circuit board 200 is turned over by 180 degrees.
In the second mode, the position of the detecting member with respect to the flexible wiring board 200 is adjusted according to the difference in displacement of the flexible wiring board 200 in the Z-axis direction before and after the flexible wiring board 200 is turned over by 180 degrees. Then, the position of the detecting member relative to the flexible circuit board 200 is adjusted according to the displacement difference of the flexible circuit board 200 along the X-axis direction before and after the flexible circuit board 200 is turned over by 180 degrees.
According to the displacement difference of the flexible circuit board 200 in the X-axis direction in the preset position deviation, the first adjusting part 61 drives the bearing plate 62 to displace along the X-axis direction, and synchronously drives the second adjusting part 63, the imaging detection part 4 and the imaging detection light source 5 to displace along the X-axis direction. The second adjusting part 63 drives the imaging detection part 4 and the imaging detection light source 5 to displace along the Z-axis direction according to the displacement difference of the flexible circuit board 200 in the Z-axis direction in the preset position deviation, so that the imaging of the imaging detection part 4 always faces the flexible circuit board 200, the light emitted by the imaging detection light source 5 always surrounds the flexible circuit board 200, the same detection condition as that when the front surface of the flexible circuit board 200 is detected is obtained, and then the imaging detection part 4 detects the back surface of the flexible circuit board 200. Therefore, the front surface and the back surface of the flexible circuit board 200 are always positioned in the coverage range of the imaging end of the detection piece for detection, so as to ensure the accuracy of appearance detection of the flexible circuit board 200. After the reverse direction detection of the flexible printed circuit board 200 is completed, the first condition 61 and the second condition 63 cooperate to drive the imaging detection element 4 and the imaging detection light source 5 to return to the original positions.
It can be understood that, during the detection of the flexible printed circuit board 200, the battery cell 100 is disposed on the carrier 7 for carrying, and the end of the battery cell 100 connected with the flexible printed circuit board 200 leaks out of the carrier 7. The bearing table 7 has a suction cup therein, which can absorb the battery cell 100. The flexible printed circuit 200 is turned over by turning over the battery cell 100 through the carrier table 7, specifically, the carrier table 7 is turned over through a turning mechanism (not shown in the figure), for example, the turning mechanism may adopt a rotating cylinder; in addition, the loading of the battery cells 100 by the carrier table 7 may be performed by a conveying mechanism (not shown), for example, the conveying mechanism may employ a turntable. The device is specifically arranged in such a way that a plurality of stations are arranged on a transmission mechanism, each station is correspondingly provided with a turnover mechanism, and each turnover mechanism is correspondingly connected with a bearing table 7; on electric core 100 material loading to plummer 7, plummer 7 adsorbs electric core and bears, and then transmission device drive plummer 7 removes to the position that the outward appearance detected, and the detection piece carries out the positive detection of flexible line way board 200, and later tilting mechanism drive plummer 7 upset 180 degrees, the detection piece carries out the reverse side detection of flexible line way board 200.
After the detection piece performs appearance detection on the back surface of the flexible circuit board 200, if the appearance detection on the back surface of the flexible circuit board 200 is judged to be qualified, the next procedure is executed, if the appearance detection on the back surface of the flexible circuit board 200 is judged to be unqualified, the detection or the blanking is stopped to the NG position, the specific judgment mode is consistent with the front judgment mode of the flexible circuit board 200, and the details are not repeated here. The next procedure for detecting the qualified reverse side of the flexible printed circuit board 200 may be to receive the qualified materials, or may be to perform other detection, for example, to perform appearance detection on the battery cell 100.
It can be understood that, in order to achieve the best effect of the imaging detection part 4 in the appearance detection of the flexible printed circuit board 200 connected to the battery cells 100 of different specifications or different batches, before the imaging detection part 4 formally detects the flexible printed circuit board 200, the positions of the imaging detection part 4 and the imaging detection light source 5 relative to the flexible printed circuit board 200 need to be adjusted, so as to achieve the best effect. In the embodiment, the multiple manual adjusting pieces 8 can be cooperatively arranged to realize debugging of the imaging detection piece 4, the imaging detection light source 5 and the detection adjusting piece 6 before appearance detection.
Referring back to fig. 3 and 4, the manual adjusting part 8 includes a bottom plate 81, a support plate 82, a screw pair 83, a guide rail 84, a slide table 85, and a hand wheel 86, wherein the number of the support plate 82 and the guide rail 84 is two. The two support plates 82 are respectively vertically disposed on the surface of the bottom plate 81 and located at opposite ends of the bottom plate 81. Two ends of the screw pair 83 are respectively connected with the two supporting plates 82 in a rotating way. The two guide rails 84 are respectively laid on the bottom plate 81 and respectively located on two opposite sides of the screw rod pair 83, and the guide rails 84 are parallel to the screw rod pair 83. The sliding table 85 is connected with the nut of the screw pair 83 and is respectively connected with the two guide rails 84 in a sliding manner. The hand wheel 86 is connected with the end of the screw pair 83. The screw pair 83 can drive the slide table 85 to linearly move by swinging the hand wheel 86. Preferably, the lead screw of the lead screw pair 83 can be a trapezoidal lead screw with a self-locking function. Preferably, the manual adjustment member 8 further comprises a locking member 87. The locking piece 87 is movably connected with the sliding table 85, when the sliding table 85 slides, the locking piece 87 is disconnected with the sliding table 85, and when the sliding table 85 is locked, the locking piece 87 is fixedly connected with the sliding table 85. Specifically, the locking member 87 may be a screw having a handle.
Two manual adjusting parts 8 are arranged in an overlapped mode, the bottom plate 81 of the manual adjusting part 8 located above is arranged on the sliding table 85 of the manual adjusting part 8 located below, and the bottom plates 81 of the two manual adjusting parts 8 are perpendicular to each other. The first adjusting part 61 of the detecting adjusting part 6 is arranged on the sliding table 85 of the manual adjusting part 8 positioned above, that is, the adjustment of the first adjusting part 61 in the X-axis and Y-axis directions can be realized through the two manual adjusting parts 8, and then the adjustment of the imaging detecting part 4 and the imaging detecting light source 5 in the X-axis and Y-axis directions can be realized.
Similarly, two manual regulation pieces 8 set up on loading board 62 along the direction of height of loading board 62 respectively, and formation of image detection piece 4 and formation of image detection light source 5 set up respectively and are connected with the slip table 85 of two manual regulation pieces 8, can realize formation of image detection piece 4 and formation of image detection light source 5 in the regulation of Z axle direction.
In this way, the imaging detection part 4, the imaging detection light source 5 and the detection adjustment part 6 can be debugged before appearance detection by matching the four manual adjustment parts 8.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (7)

1. A detection method of a flexible circuit board of a battery cell is characterized in that the flexible circuit board is connected with one end part of the battery cell and comprises the following steps:
presetting position deviation;
the shaping piece shapes the flexible circuit board; the shaping piece comprises a shaping driving piece and a shaping pressing piece, the shaping pressing piece comprises an upper pressing block, a lower pressing block and a limiting block, the output end of the shaping driving piece is connected with the upper pressing block and the lower pressing block respectively, the shaping driving piece drives the upper pressing block and the lower pressing block to move oppositely and press the flexible circuit board from the front side and the back side of the flexible circuit board respectively, the limiting block is located between the upper pressing block and the lower pressing block, and the thickness of the limiting block is equal to that of the flexible circuit board;
the detection piece is used for carrying out appearance detection on one surface of the flexible circuit board;
adjusting the position of the detection piece relative to the flexible circuit board according to the position offset of the flexible circuit board before and after being turned over by 180 degrees; the position deviation comprises position deviation before and after the flexible circuit board is turned over by 180 degrees along the Z-axis direction;
and the detection piece is used for carrying out appearance detection on the other surface of the flexible circuit board.
2. The method for detecting the cell flexible circuit board according to claim 1, wherein the adjusting the position of the detection member relative to the flexible circuit board comprises:
adjusting the position of the detection piece relative to the flexible circuit board according to the displacement difference of the flexible circuit board along the X-axis direction before and after the flexible circuit board is turned over by 180 degrees;
and adjusting the position of the detection piece relative to the flexible circuit board according to the displacement difference of the flexible circuit board along the Z-axis direction before and after the flexible circuit board is turned over by 180 degrees.
3. The method for detecting the cell flexible circuit board according to claim 1, wherein the adjusting the position of the detection member relative to the flexible circuit board comprises:
adjusting the position of the detection piece relative to the flexible circuit board according to the displacement difference of the flexible circuit board along the Z-axis direction before and after the flexible circuit board is turned over by 180 degrees;
and adjusting the position of the detection piece relative to the flexible circuit board according to the displacement difference of the flexible circuit board along the X-axis direction before and after the flexible circuit board is turned over by 180 degrees.
4. The method for detecting the cell flexible circuit board according to claim 1, wherein after the detecting member performs appearance detection on one surface of the flexible circuit board, the method further comprises:
and judging that the appearance of one surface of the flexible circuit board is qualified, and entering the next procedure.
5. The method for detecting the battery cell flexible circuit board according to claim 4, wherein if the appearance of one surface of the flexible circuit board is determined to be unqualified, the detection or blanking is stopped until an NG position.
6. The method for detecting the cell flexible circuit board according to claim 1, wherein after the detecting member performs appearance detection on one surface of the flexible circuit board, the method further comprises:
and judging that the appearance of one surface of the flexible circuit board is qualified, and entering the next procedure.
7. The method for detecting the battery cell flexible circuit board according to claim 6, wherein if the appearance of the other surface of the flexible circuit board is determined to be unqualified, the detection or blanking is stopped until an NG position.
CN201910252383.4A 2019-03-29 2019-03-29 Detection method of battery cell flexible circuit board Active CN109946321B (en)

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