CN219104768U - Battery appearance detection device - Google Patents
Battery appearance detection device Download PDFInfo
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- CN219104768U CN219104768U CN202222869885.1U CN202222869885U CN219104768U CN 219104768 U CN219104768 U CN 219104768U CN 202222869885 U CN202222869885 U CN 202222869885U CN 219104768 U CN219104768 U CN 219104768U
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- 238000001514 detection method Methods 0.000 title claims abstract description 79
- 230000007246 mechanism Effects 0.000 claims abstract description 89
- 230000033001 locomotion Effects 0.000 claims abstract description 68
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000003384 imaging method Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 13
- 238000003466 welding Methods 0.000 abstract description 23
- 238000009434 installation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
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- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a battery appearance detection device, which comprises a motion module and a detection module, wherein the detection module comprises a detection head, a swing arm and a rotary driving mechanism, one end of the swing arm is connected with the rotary driving mechanism, the other end of the swing arm is connected with the detection head, and the rotary driving mechanism drives a rotation path of the swing arm to be in a vertical plane; the utility model solves the problem that the appearance of the battery cannot be detected in the vertical plane when the welding seam is positioned on the vertical plane, namely the welding head needs to weld four seams of the battery and the top cover along the vertical plane by comparing with the prior art by detecting the appearance of the battery only in the horizontal plane through the arrangement.
Description
Technical Field
The utility model relates to the technical field of manufacturing of new energy lithium batteries, in particular to a battery appearance detection device.
Background
Due to the rising new energy products, the demand of the industry for batteries is larger and larger, and the demand for the quality of the batteries is also higher and larger. Under the condition of strict control on the quality of battery products, a series of battery safety problems are often caused by low welding quality of electric cores in batteries. In the process of cell welding, weld quality evaluation after welding is divided into qualification and disqualification, disqualification is mainly divided into two types, namely poor appearance, and strength and tightness are not satisfied. Appearance defects are mainly manifested by welding deviation and sand holes; the unsatisfactory welding strength and sealing requirements are mainly manifested as substandard penetration, cracks or air holes, leakage of the battery and the like.
In the related art, the battery top cover is buckled on the battery shell from top to bottom, and only one circle of welding is needed along the upper surface during welding, so that the detection head can be arranged at the upper position, the battery and the top cover are arranged at the lower position during detecting the appearance, and the circle of welding path is horizontally travelled.
However, as the size of the battery varies, there is a beginning of the design of the top cover at the side, and when the welded top cover is at the side, the welded seam is on the vertical plane, that is, the welding head needs to weld four seams of the battery and the top cover along the vertical plane, there is a problem that the appearance of the battery cannot be detected in the vertical plane in the related art.
Disclosure of Invention
In order to solve the defect that the problem of detecting the appearance of a battery in a vertical plane cannot be realized in the related art, the utility model provides a battery appearance detection device.
The technical scheme includes that the battery appearance detection device comprises a motion module and a detection module, wherein the detection module comprises a detection head, a swing arm and a rotary driving mechanism, one end of the swing arm is connected with the rotary driving mechanism, the other end of the swing arm is connected with the detection head, and the rotary driving mechanism drives a rotation path of the swing arm to be in a vertical plane; the motion module is in driving connection with the detection module and/or the product to be detected, and at least drives the detection module and the product to generate relative motion in a vertical plane parallel to the plane of the rotation path of the swing arm.
Preferably, the motion module comprises a first motion mechanism and a second motion mechanism, one end of the second motion mechanism is in transmission connection with the first motion mechanism, and any one of the first motion mechanism and the second motion mechanism is in driving connection with the detection module and/or the product to be detected.
Preferably, the movement direction of the first movement mechanism is perpendicular to the movement direction of the second movement mechanism.
Preferably, the battery appearance detection device further comprises a frame, the first movement mechanism is fixedly connected to the frame, one end of the second movement mechanism is connected to the first movement mechanism in a transmission mode, and the other end of the second movement mechanism is connected to the detection mechanism in a transmission mode.
Preferably, the battery appearance detection device comprises a pair of detection modules, and a detection area for placing the product is formed between the pair of detection modules.
Preferably, the imaging field of view of the detection head is normal to the detection zone.
Preferably, the battery appearance detection device further comprises an adjusting module, wherein the adjusting module is in driving connection with the detection module and drives the detection module to be close to/far away from the detection area.
Preferably, the battery appearance detection device further comprises a transmission module, the transmission module comprises a driving mechanism and an opening and closing clamping jaw, the driving mechanism drives the opening and closing clamping jaw to move, the opening and closing clamping jaw comprises a driving piece and at least one pair of clamping jaws, and the driving piece is in driving connection with the clamping jaws and drives each pair of clamping jaws to open and close.
Preferably, the detection module further comprises a mounting bracket, the fixed end of the rotation driving mechanism is fixedly connected to the mounting bracket, and the rotating end of the rotation driving mechanism is in driving connection with the swing arm.
Preferably, the other end of the swing arm is provided with a mounting frame, and the detection head is fixedly arranged in the mounting frame.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the battery appearance detection device provided by the utility model, XZR triaxial driving is adopted for matching, and the battery appearance detection device can rotate around a battery side welding line for detection for one circle in the process of detecting the battery appearance, so that the problem of detecting the appearance of the welding line of the battery with the welding line on the side is solved;
2. compared with the traditional CCD camera, the battery appearance detection device provided by the utility model has the advantages that the 3D detector is adopted, and the problems of automatic detection, stable detection, defect and slight depression which are the same as the workpiece pattern and the like can be solved, wherein the content which is difficult to distinguish in the traditional 2D image can be detected automatically.
Drawings
The utility model is described in detail below with reference to examples and figures, wherein:
fig. 1 is a schematic structural diagram of a battery appearance detection device provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of a detection module according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of a transmission module provided in an embodiment of the present application.
1. A detection module; 101. a 3D detector; 102. swing arms; 103. a rotary driving mechanism; 104. a mounting bracket; 105. a mounting frame; 2. a transmission module; 201. a clamping jaw; 202. a driving mechanism; 203. a driving member; 3. a motion module; 301. a first movement mechanism; 302. a second movement mechanism; 4. a battery top cover; 5. a frame.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
The embodiment of the utility model provides a battery appearance detection device which can solve the problem that the battery appearance detection in a vertical plane cannot be realized in the related art.
A battery appearance detection device is shown in fig. 1, and comprises a detection module 1 for detecting a battery weld, a transmission module 2 for clamping a battery, a movement module 3 for driving the detection module 1 to move and a frame 5. The motion module 3 drives the detection module 1 to reciprocate back and forth and up and down, and comprises a first motion mechanism 301 and a second motion mechanism 302, wherein the motion direction of the first motion mechanism 301 is the x-axis direction in the figure, and the motion direction of the second motion mechanism 302 is the z-axis direction in the figure. The first moving mechanism 301 is fixed on the frame 5, the second moving mechanism 302 is fixed on the first moving mechanism 301, and the detecting module 1 is fixed on the second moving mechanism 302, so that when the first moving mechanism 301 moves, the second moving mechanism 302 and the detecting module 1 are driven to reciprocate in the x-axis direction, and when the second moving mechanism 302 moves, the detecting module 1 is driven to reciprocate in the z-axis direction.
In the present embodiment, the movement direction of the first movement mechanism 301 is arranged perpendicular to the movement direction of the second movement mechanism 302. In other embodiments, the movement direction of the first movement mechanism 301 and the movement direction of the second movement mechanism 302 may be configured to match the battery according to the shape of the battery, so that the movement directions thereof may be disposed at an angle, such as an acute angle or an obtuse angle.
In some embodiments, the first movement mechanism 301 and the second movement mechanism 302 may be a cylinder, a linear motor, or a screw mechanism, which in this embodiment is a screw mechanism.
As shown in fig. 2, the detection module 1 includes a 3D detector 101, a swing arm 102, a rotation driving mechanism 103, a mounting bracket 104, and a mounting frame 105. The installation frame 105,3D detector 101 is arranged at one end of the swing arm 102 and is installed in the installation frame 105, the swing arm 102 is rotationally connected to the installation support 104, the rotary driving mechanism 103 is installed at the other side of the installation support 104, in order to achieve rotational connection between the swing arm 102 and the installation support 104, a penetrating installation hole is formed in the installation support 104, the rotary driving mechanism 103 is further provided with a connecting shaft, the connecting shaft penetrates through the installation support 104 and is fixedly connected with the swing arm 102 in an inserting mode, and therefore the rotary driving mechanism 103 drives the swing arm 102 to do rotary motion along the axis, and further drives the installation frame 105 and the 3D detector 101 installed inside the installation frame to rotate. In the present embodiment, the rotation driving mechanism 103 is a rotary motor. In addition, the mounting bracket 104 is fixedly connected with the second moving mechanism 302, so that the moving module 3 can drive the detecting module 1 to move when moving.
As shown in fig. 3, the battery transmission module 2 includes a clamping jaw 201, a driving member 203 and a driving mechanism 202, the clamping jaws 201 are arranged in pairs, the positions of the clamping jaws 201 are opposite and are used for clamping and fixing a battery to be detected, a sinking groove is formed in the clamping jaw 201 and is used for clamping the battery, the thickness of the sinking groove is equal to that of the battery, when the battery transmission module 2 clamps the battery, the battery is placed in the sinking groove and is used for clamping the battery to prevent the battery from shaking and falling, and meanwhile, the driving member 203 drives the clamping jaws 201 to complete opening and closing. The driving mechanism 202 drives the battery transmission module 2 to move, and after the battery is clamped, the battery is transmitted from the material taking area to the detection area. In some embodiments, the drive mechanism 202 may be a cylinder, linear motor, or screw mechanism.
In some embodiments, the driving mechanism 202 may drive the battery transmission module 2 to vertically lift and horizontally displace.
In addition, referring to fig. 3, in order to facilitate the clamping and releasing of the pair of clamping jaws 201 to the battery, the battery transmission module 2 may further include a driving member 203, where the driving member 203 drives the clamping jaws 201 to complete opening and closing, so as to implement clamping of the battery. In some embodiments, the driving member 203 may be a cylinder, a linear motor, a screw mechanism, or the like, and in this embodiment, the driving member 203 is a cylinder.
The battery length direction is the y-axis direction in the figure, the battery width direction is the x-axis direction in the figure, and the battery thickness direction is the z-axis direction in the figure.
In some embodiments, in the process of detecting the welding seam of the battery, the detection module 1 and the movement module 3 are matched to be used in pairs, and the welding seam at two ends of the battery is detected.
In some embodiments, the battery appearance detection device further comprises an adjusting module, wherein the adjusting module is in driving connection with the detection module 1, and drives the detection module 1 to be close to/far away from the detection area.
When detecting the welding line of the appearance of the battery, the battery transmission module 2 moves to a material taking area through the driving mechanism 202, the clamping jaw 201 is driven to open and close through the driving piece 203, the battery is clamped and fixed, and then the battery is moved to a detection area where the detection module 1 is positioned to be detected.
The detection module 1 is matched with the movement module 3, the 3D detector 101 is moved to a position where the welding lines of the battery are horizontally opposite, and the first movement mechanism 301 is started to drive the 3D detector 101 to move along the X-axis direction, namely along the width direction of the battery, so that the welding lines of the width direction of the battery are detected. When the battery is moved to the corner, the rotary driving mechanism 103 drives the 3D detector 101 to rotate 90 degrees, meanwhile, the first moving mechanism 301 moves along the X-axis direction, and the second moving mechanism 302 moves along the Z-axis direction, so that the detection of the arc section welding seam at the corner of the battery is completed.
In some embodiments, when the rotation radius of the rotation driving mechanism is the same as the arc of the corner of the battery, only the rotation driving mechanism 103 is required to drive the 3D detector 101 to rotate, and three-axis linkage is not required; or only one of the first movement mechanism 301 or the second movement mechanism 302 is required to move along the X-axis direction or the Z-axis direction, so that the two-axis linkage is completed.
After the arc at the corner of the battery is detected, the second movement mechanism 302 continues to move along the Z-axis direction, so as to drive the 3D detector 101 to move, and detect the welding seam in the thickness direction of the battery.
Similarly, under the cooperation of the detection module 1 and the movement module 3, the detection of four welding seams on the side face of the battery is sequentially completed, in the process, the rotation driving mechanism 103 rotates four times and rotates 90 degrees, after the appearance detection of the battery is completed, the detection module 1 and the movement module 3 return to the original points, and finally the detection of the welding seams on the side face of the battery is completed.
In the description of the present application, it is to be understood that the forward direction of "X" in the drawings represents the right direction, and correspondingly, the reverse direction of "X" represents the left direction; the forward direction of "Y" represents the forward direction, and correspondingly, the reverse direction of "Y" represents the rearward direction; the forward direction of "Z" represents above, and correspondingly, the reverse direction of "Z" represents below, and the azimuth or positional relationship indicated by the terms "X", "Y", "Z", etc. are based on the azimuth or positional relationship shown in the drawings of the specification, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the device or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be noted that in this application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The battery appearance detection device comprises a motion module and a detection module, and is characterized in that the detection module comprises a detection head, a swing arm and a rotary driving mechanism, one end of the swing arm is connected with the rotary driving mechanism, the other end of the swing arm is connected with the detection head, and the rotary driving mechanism drives a rotation path of the swing arm to be in a vertical plane; the motion module is in driving connection with the detection module and/or the product to be detected, and at least drives the detection module and the product to generate relative motion in a vertical plane parallel to the plane of the rotation path of the swing arm.
2. The battery appearance detection device according to claim 1, wherein the movement module comprises a first movement mechanism and a second movement mechanism, one end of the second movement mechanism is in transmission connection with the first movement mechanism, and any one of the first movement mechanism and the second movement mechanism is in driving connection with the detection module and/or a product to be detected.
3. The battery appearance detection device according to claim 2, wherein a movement direction of the first movement mechanism is arranged perpendicular to a movement direction of the second movement mechanism.
4. The battery appearance detection device according to claim 2, further comprising a frame, wherein the first movement mechanism is fixedly connected to the frame, one end of the second movement mechanism is in transmission connection with the first movement mechanism, and the other end of the second movement mechanism is in transmission connection with the detection mechanism.
5. The battery appearance inspection device according to claim 1, further comprising a pair of inspection modules, wherein an inspection area for placing the product to be inspected is formed between the pair of inspection modules.
6. The battery appearance inspection device of claim 5, wherein the inspection head's imaging field of view is normal to the inspection area.
7. The battery appearance inspection device of claim 1, further comprising an adjustment module drivingly connected to the inspection module and driving the inspection module toward or away from the inspection area.
8. The battery appearance detection device according to claim 1, further comprising a transmission module, wherein the transmission module comprises a driving mechanism and opening and closing clamping jaws, the driving mechanism drives the opening and closing clamping jaws to move, the opening and closing clamping jaws comprise a driving piece and at least one pair of clamping jaws, and the driving piece is in driving connection with the clamping jaws and drives each pair of clamping jaws to open and close.
9. The battery appearance detection device according to claim 1, wherein the detection module further comprises a mounting bracket, the fixed end of the rotation driving mechanism is fixedly connected to the mounting bracket, and the rotating end of the rotation driving mechanism is in driving connection with the swing arm.
10. The battery appearance inspection device according to any one of claims 1 to 9, wherein a mounting frame is provided at the other end of the swing arm, and the inspection head is fixedly mounted in the mounting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222869885.1U CN219104768U (en) | 2022-10-27 | 2022-10-27 | Battery appearance detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222869885.1U CN219104768U (en) | 2022-10-27 | 2022-10-27 | Battery appearance detection device |
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| CN219104768U true CN219104768U (en) | 2023-05-30 |
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| CN202222869885.1U Active CN219104768U (en) | 2022-10-27 | 2022-10-27 | Battery appearance detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117405700A (en) * | 2023-12-15 | 2024-01-16 | 深圳市什方智造科技有限公司 | Battery bottom surface detection device, detection equipment and detection method |
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2022
- 2022-10-27 CN CN202222869885.1U patent/CN219104768U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117405700A (en) * | 2023-12-15 | 2024-01-16 | 深圳市什方智造科技有限公司 | Battery bottom surface detection device, detection equipment and detection method |
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