Coating appearance defect detection device
By designing a coating appearance defect detection device, automated detection of double-sided defects in lithium batteries was achieved, solving the problem of low automation in existing technologies and reducing labor costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-03-20
AI Technical Summary
Current technology cannot perform comprehensive defect detection on both sides of lithium batteries, has a low degree of automation, and requires a large amount of manual labor.
A coating appearance defect detection device was designed, including a detection platform, a flipping and conveying mechanism, and an ultrasonic detection mechanism, to realize the automated flipping and double-sided detection of lithium batteries, and to use an ultrasonic detector for defect detection.
It has automated the detection of defects on both sides of lithium batteries, reducing labor costs and improving detection efficiency and accuracy.
Smart Images

Figure CN224019740U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lithium battery detection technical field, concretely is a kind of coating appearance defect detection device. BACKGROUND
[0002] With the rapid development of lithium battery industry, the demand for lithium battery pole piece increases rapidly, and the quality of pole piece coated by coating machine becomes the key factor restricting the production of pole piece.
[0003] The Chinese patent document with the authorization announcement number CN216132964U discloses a coating defect detection device. It includes a fixing assembly, a main body support, and a backlight assembly. The fixing assembly is used to fix an image sensor and a fill light. The fill light is used to fill light to the front of the pole piece. The image sensor is used to collect image information of the front of the pole piece to obtain a defect detection result. The main body support is fixedly connected to the fixing assembly. The backlight assembly is connected to the main body support. The backlight assembly includes a backlight. The backlight is used to fill light to the back of the pole piece. By setting the fill light and the backlight, the defects on the pole piece are more obvious, the quality of the collected image information is improved, and the accuracy of the defect detection is increased.
[0004] The above-mentioned prior art cannot perform comprehensive defect detection on both sides of the lithium battery, and the degree of automation is low, which requires a large amount of manual cost. Therefore, a new coating appearance defect detection device needs to be developed. UTILITY MODEL CONTENT
[0005] The utility model aims to provide a kind of coating appearance defect detection device to solve the problem that the prior art cannot perform comprehensive defect detection on both sides of the lithium battery in the above background art, and the degree of automation is low, which requires a large amount of manual cost.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of coating appearance defect detection device, including detection machine, the one side of the detection machine is equipped with first transport platform, the other side of the detection machine is equipped with second transport platform, the top of the first transport platform is equipped with first detection rack, the top of the second transport platform is equipped with second detection rack, and ultrasonic detection mechanism is installed on the first detection rack and the second detection rack, and the detection machine is installed with turnover transfer mechanism.
[0007] Preferably, the turnover transfer mechanism is used to turn over the lithium battery detected on the first transport platform and transfer it to the second transport platform for detection.
[0008] Preferably, the bottom of the surface turning and transferring mechanism is provided with a rotating machine, the lower end of the rotating machine is connected with a motor assembly through a rotating shaft, the upper end of the rotating machine is connected with a rotating arm through a first rotating shaft, and the upper end of the rotating arm is connected with a control arm through a second rotating shaft.
[0009] Preferably, the front end of the control arm is provided with a transferring driving cylinder, and the output end of the transferring driving cylinder is connected with a clamping mechanism.
[0010] Preferably, one side of the second conveying platform is provided with a pushing mechanism, the pushing mechanism is provided with a pushing cylinder, and the output end of the pushing cylinder is connected with a pushing chuck.
[0011] Preferably, the ultrasonic detection mechanism is used for ultrasonic defect detection operation on the surface of the lithium battery.
[0012] Preferably, the surfaces of the first conveying platform and the second conveying platform are provided with conveying belts.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] The first conveying platform can automatically convey the lithium battery, the ultrasonic detection mechanism on the first detection rack can detect the upper surface of the lithium battery, the surface turning and transferring mechanism can turn the detected lithium battery and transfer it to the surface of the second conveying platform for conveying, the ultrasonic detection mechanism on the second detection rack can detect the other surface of the lithium battery, the defective product is pushed out by the pushing mechanism, and the qualified product is conveyed to the designated position by the conveying belt, so that the utility model has the advantages of high automatic detection degree and labor cost saving. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a whole structure schematic view of the utility model;
[0016] Fig. 2 It is a side structure schematic view of the utility model;
[0017] Fig. 3 It is a surface turning and transferring mechanism structure schematic view of the utility model.
[0018] In the drawing: 1, second conveying platform; 2, conveying belt; 3, second detection rack; 4, ultrasonic detection mechanism; 5, surface turning and transferring mechanism; 6, detection rack; 7, first detection rack; 8, first conveying platform; 9, pushing chuck; 10, pushing mechanism; 11, pushing cylinder; 12, clamping mechanism; 13, transferring driving cylinder; 14, control arm; 15, second rotating shaft; 16, first rotating shaft; 17, rotating arm; 18, rotating machine; 19, motor assembly. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0020] Please refer to Figs. 1-3 An embodiment provided by the utility model: a coating appearance defect detection device, including detection machine stand 6, the one side of detection machine stand 6 is equipped with first transport platform 8, the other side of detection machine stand 6 is equipped with second transport platform 1, the top of first transport platform 8 is equipped with first detection rack 7, the top of second transport platform 1 is equipped with second detection rack 3, and the ultrasonic detection mechanism 4 is installed on first detection rack 7 and second detection rack 3, and the turnover transfer mechanism 5 is installed on detection machine stand 6.
[0021] Further, the turnover transfer mechanism 5 is used to transfer the detected lithium battery on the first transport platform 8 to the second transport platform 1 for detection.
[0022] Further, the bottom of the turnover transfer mechanism 5 is equipped with a rotating machine stand 18, the lower end of the rotating machine stand 18 is connected with a motor assembly 19 through a rotating shaft, the upper end of the rotating machine stand 18 is connected with a rotating arm 17 through a first rotating shaft 16, the upper end of the rotating arm 17 is connected with a control arm 14 through a second rotating shaft 15, the rotating machine stand 18 is driven and controlled to rotate by opening the motor assembly 19, the clamping mechanism 12 can be horizontally rotated and adjusted, the first rotating shaft 16 and the second rotating shaft 15 are driven and controlled by servo motors, the angle of the rotating arm 17 and the control arm 14 can be adjusted and controlled in real time, the front end of the control arm 14 is equipped with a transfer driving cylinder 13, the output end of the transfer driving cylinder 13 is connected with the clamping mechanism 12, the clamping mechanism 12 is driven and controlled to clamp and turn over the lithium battery by opening the transfer driving cylinder 13.
[0023] Further, the side of the second transport platform 1 is equipped with a pushing mechanism 10, the pushing mechanism 10 is equipped with a pushing cylinder 11, the output end of the pushing cylinder 11 is connected with a pushing chuck 9, the pushing cylinder 11 is driven and controlled to drive the pushing chuck 9, and the unqualified lithium battery can be pushed out.
[0024] Further, the ultrasonic detection mechanism 4 is used for ultrasonic defect detection of the surface of the lithium battery, the ultrasonic detection mechanism 4 is a Phasor series ultrasonic detector, the surface coating defect position of the lithium battery can be quickly detected, and the ultrasonic detection mechanism 4 has the advantages of high detection efficiency and fast speed.
[0025] Further, the surfaces of the first conveying platform 8 and the second conveying platform 1 are both provided with the conveying belt 2, which facilitates the rapid conveying operation of the lithium batteries.
[0026] Working principle: in use, one side of the detection machine 6 is provided with the first conveying platform 8, and the upper side of the first conveying platform 8 is provided with the first detection rack 7. The first conveying platform 8 can be used for automatically conveying the lithium batteries, and the ultrasonic detection mechanism 4 on the first detection rack 7 can be used for detecting the appearance defects of the upper surface of the lithium batteries. The detection machine 6 is provided with the turnover transferring mechanism 5. The turnover transferring mechanism 5 can be used for rotating the clamping mechanism 12 by opening the motor assembly 19 to drive and control the rotating machine 18 to rotate. The first rotating shaft 16 and the second rotating shaft 15 are both driven and controlled by the servo motor, which can be used for adjusting and controlling the angle of the rotating arm 17 and the control arm 14 in real time. The front end of the control arm 14 is provided with the transferring driving cylinder 13, and the output end of the transferring driving cylinder 13 is connected with the clamping mechanism 12. The clamping mechanism 12 can be used for clamping and turning over the lithium batteries by opening the transferring driving cylinder 13 to drive and control the clamping mechanism 12. The turnover transferring mechanism 5 can be used for turning over the detected lithium batteries and transferring them to the surface of the second conveying platform 1 for conveying. The other side of the second conveying platform 1 is provided with the pushing mechanism 10, and the pushing mechanism 10 is provided with the pushing cylinder 11. The output end of the pushing cylinder 11 is connected with the pushing chuck 9. The pushing chuck 9 can be used for pushing out the unqualified lithium batteries by opening the pushing cylinder 11 to drive and control the pushing chuck 9. The qualified products are conveyed to the designated position by the conveying belt. The detection device has the advantages of high degree of automation and low labor cost.
[0027] It should be noted that, in the present document, the terms such as first and second, etc. are merely used to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device.
[0028] The standard parts used in the present application can be purchased from the market. The specific connection modes of the various parts are connected by using the conventional bolts, rivets, welding and other conventional means in the prior art. The mechanical parts and devices are of conventional types in the prior art. The circuit connection is connected by using the conventional connection mode in the prior art, which will not be described in detail here.
[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A coating appearance defect detection device, comprising a detection machine (6), characterized in that, A first transport platform (8) is installed on one side of the testing machine (6), and a second transport platform (1) is installed on the other side of the testing machine (6). A first testing frame (7) is installed above the first transport platform (8), and a second testing frame (3) is installed above the second transport platform (1). An ultrasonic testing mechanism (4) is installed on both the first testing frame (7) and the second testing frame (3). A flipping and transferring mechanism (5) is installed on the testing machine (6).
2. The coating appearance defect detection device according to claim 1, characterized in that: The flipping and transferring mechanism (5) is used to flip the tested lithium battery on the first transport platform (8) and transfer it to the second transport platform (1) for testing.
3. The coating appearance defect detection device according to claim 1, characterized in that: The bottom of the flipping and transferring mechanism (5) is equipped with a rotating platform (18). The lower end of the rotating platform (18) is connected to a motor assembly (19) via a rotating shaft. The upper end of the rotating platform (18) is connected to a rotating arm (17) via a first rotating shaft (16). The upper end of the rotating arm (17) is connected to a control arm (14) via a second rotating shaft (15).
4. The coating appearance defect detection device according to claim 3, characterized in that: The front end of the control arm (14) is equipped with a transfer drive cylinder (13), and the output end of the transfer drive cylinder (13) is connected to a clamping mechanism (12).
5. The coating appearance defect detection device according to claim 1, characterized in that: A pushing mechanism (10) is installed on one side of the second transport platform (1), and a pushing cylinder (11) is installed on the pushing mechanism (10). The output end of the pushing cylinder (11) is connected to a pushing clamp (9).
6. The coating appearance defect detection device according to claim 1, characterized in that: The ultrasonic testing mechanism (4) is used to perform ultrasonic defect detection on the surface of lithium batteries.
7. The coating appearance defect detection device according to claim 1, characterized in that: The surfaces of the first transport platform (8) and the second transport platform (1) are both equipped with conveyor belts (2).
Citation Information
Patent Citations
Coating defect detection device
CN216132964U