CN221199486U - Double-station multi-shape-surface square lithium battery coating detection device based on laser triangulation method - Google Patents
Double-station multi-shape-surface square lithium battery coating detection device based on laser triangulation method Download PDFInfo
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- CN221199486U CN221199486U CN202323004994.8U CN202323004994U CN221199486U CN 221199486 U CN221199486 U CN 221199486U CN 202323004994 U CN202323004994 U CN 202323004994U CN 221199486 U CN221199486 U CN 221199486U
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 69
- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 239000011248 coating agent Substances 0.000 title claims abstract description 23
- 238000000576 coating method Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000003384 imaging method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 8
- 239000007888 film coating Substances 0.000 description 7
- 238000009501 film coating Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Abstract
The utility model discloses a double-station multi-shape square lithium battery coating detection device based on a laser triangulation method, which comprises a laser camera, an upper part, a lower part and a sorting robot, wherein the laser camera emits line laser to irradiate on a detected surface of a lithium battery, and the coating surface of the lithium battery is imaged according to the laser triangulation distance measurement principle. The beneficial effects of the utility model are as follows: the lithium batteries are rotated for 360 degrees, so that the detection of a plurality of shape surfaces of the lithium batteries is realized, the number of detection surfaces is increased, the plurality of lithium batteries can be detected simultaneously, and the degree of automatic detection is improved; by adopting the design of double-station detection, the detection mode that the laser camera imaging and the robot loading and unloading are independent but cooperate is realized, the detection efficiency is improved to the greatest extent on the premise of guaranteeing the detection quality, the surface of the lithium battery can be continuously detected, a plurality of lithium batteries can be simultaneously detected, and the coverage range for detection of the lithium batteries is improved through the conversion of the shape surfaces of the lithium batteries.
Description
Technical Field
The utility model relates to a detection device, in particular to a double-station multi-form-surface square lithium battery coating detection device based on a laser triangulation method, and belongs to the technical field of battery detection.
Background
The square lithium battery has the characteristics of simple structure, light weight, convenient expansion and the like, and particularly has high packaging reliability, so compared with a soft-package and cylindrical power lithium battery, the square lithium battery occupies a main sales market in China, and still keeps the dominant position of the market in the future. The increasing demand of square lithium batteries also puts higher demands on manufacturing process, production quality, productivity, safety in use and the like.
For square lithium batteries, the integrity of the surface coating is an important aspect affecting quality performance and safety in use. In the production process, due to the damage of production equipment and the collision or the influence of severe environment, the caused surface defects can further cause the occurrence of internal short circuit or electric leakage of the battery, so that the quality level of the product is reduced, and the product is left with great potential safety hazard.
Under different working conditions, flaws with different sizes and shapes can exist on the surface of the lithium battery, so that surface defects with different degrees are formed. The main defect types are: the defects of film coating folds, film coating warping, film coating bubbles, film coating scratches, film coating dents and the like not only affect the appearance of the lithium battery, but also induce a series of quality and safety problems, such as corrosion, cracking and leakage of the lithium battery, and cause explosion, combustion and the like of electric power products. Therefore, defect detection is carried out on the square lithium battery coating so as to ensure the product quality, and the method is an extremely important process.
Disclosure of utility model
The utility model aims to solve at least one technical problem, and provides a double-station multi-form-surface square lithium battery coating detection device based on a laser triangulation method, which is used for detecting surface defects of a lithium battery coating based on machine vision by applying the principle of laser triangulation imaging.
The utility model realizes the above purpose through the following technical scheme: a double-station multi-shape-surface square lithium battery coating detection device based on a laser triangulation method comprises a laser camera, an upper piece, a lower piece and a sorting robot, wherein the laser camera emits line laser to irradiate on a detected surface of a lithium battery, and the coating surface of the lithium battery is imaged according to a laser triangulation principle;
The laser camera is arranged on the laser camera two-axis moving assembly, a double-station rotary workbench is arranged between the laser camera two-axis moving assembly and the upper and lower parts as well as between the laser camera two-axis moving assembly and the sorting robot, and a lithium battery to be detected is placed on the double-station rotary workbench;
The laser camera two-axis moving assembly comprises a laser camera transverse moving assembly and a laser camera longitudinal moving assembly, and the laser camera transverse moving assembly is movably connected with the laser camera longitudinal moving assembly in a mutually perpendicular mode.
As still further aspects of the utility model: the laser camera lateral shifting assembly comprises a camera frame and a lateral linear guide rail, the laser camera longitudinal shifting assembly comprises a screw rod and a longitudinal linear guide rail, the camera frame is respectively connected to two ends of the lateral linear guide rail, the longitudinal linear guide rail is movably connected to the lateral linear guide rail, the screw rod is rotationally connected to the longitudinal linear guide rail, the screw rod is connected with a camera mounting bracket in a threaded manner, and the laser camera is fixedly mounted on the camera mounting bracket through a bolt.
As still further aspects of the utility model: the back side surface of the transverse linear guide rail is connected with a rack which is transversely arranged, the back side surface of the upper end of the longitudinal linear guide rail is fixedly connected with a transverse moving motor, a driving gear is coaxially connected to a rotating shaft of the transverse moving motor, and the driving gear is meshed with the rack.
As still further aspects of the utility model: the back side surface of the longitudinal linear guide rail is also rotationally connected with a roller, and the roller is movably clamped on the track of the transverse linear guide rail.
As still further aspects of the utility model: the upper end of the longitudinal linear guide rail is fixedly connected with a longitudinal moving motor, and the rotating shaft of the longitudinal moving motor is coaxially connected with the screw rod.
As still further aspects of the utility model: the double-station rotary workbench comprises a workbench frame, a rotary disc and two-finger electric clamping jaws, wherein the rotary disc is rotationally connected to the workbench frame, and two groups of two-finger electric clamping jaws are vertically connected to the rotary disc.
As still further aspects of the utility model: on the same station, two-finger electric clamping jaws clamp and fix different lithium batteries in a diagonally-staggered arrangement mode.
As still further aspects of the utility model: the rotary motor and the speed reducer are fixedly connected in the workbench frame, the power input end of the speed reducer is connected with the rotating shaft of the rotary motor, the power output end of the speed reducer is connected with the reduction gear, the reduction gear is connected with the slewing bearing in a meshed mode, the slewing bearing is fixedly connected with the slewing disc coaxially, the slewing bearing is driven to rotate through the reduction gear, the slewing disc is driven to rotate, the shape surface conversion of the lithium battery can be achieved, and the laser camera can conveniently image different surfaces of the same lithium battery.
The beneficial effects of the utility model are as follows: the film coating detection of the lithium battery is divided into two parallel stations, and the loading and unloading and the detection can be performed simultaneously. Through the rotary workbench, the shape surface conversion of the lithium battery can be realized, so that the laser camera can image different surfaces of the same lithium battery. On the same station, different lithium batteries are placed diagonally in a staggered mode, and a laser camera can scan the coating surfaces of a plurality of lithium batteries at a time, so that imaging detection is performed; finally, the laser camera and the robot are adopted to operate in an independent and cooperative mode, and the detection efficiency is greatly improved by combining the design of double stations and different division of labor.
Compared with a conveyor type or rotary disc type detection method, the method can be used for continuously detecting the surfaces of the lithium batteries, detecting a plurality of lithium batteries at the same time and improving the detection coverage range of the lithium batteries through the conversion of the shape surfaces of the lithium batteries; compared with the method that the robot directly grabs the workpiece and performs visual inspection before the camera, the method adopts a production mode similar to a production line so as to achieve the purposes of simultaneous inspection, continuous inspection and comprehensive inspection.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a front view of a two-axis moving assembly of the laser camera according to the present utility model;
FIG. 3 is a schematic side view of a two-axis moving assembly of the laser camera according to the present utility model;
FIG. 4 is a schematic view of a dual-station rotary table of the present utility model.
In the figure: 1. the laser camera, 2, the laser camera lateral movement assembly, 21, the camera frame, 22, the lateral linear guide rail, 23, the lateral movement motor, 24, the driving gear, 25, the rack, 3, the laser camera longitudinal movement assembly, 31, the longitudinal movement motor, 32, the lead screw, 33, the longitudinal linear guide rail, 34, the roller, 35, the camera installing support, 4, the double-station rotary workbench, 41, the workbench frame, 42, the rotary motor, 43, the speed reducer, 44, the reduction gear, 35, the slewing bearing, 46, the rotary disc, 47, the two-finger electric claw, 5, the upper and lower part and the sorting robot.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment 1, as shown in fig. 1 to 4, a double-station polymorphic plane square lithium battery coating detection device based on laser triangulation method, including laser camera 1 and upper and lower piece and sorting robot 5, laser camera 1 sends line laser irradiation on the lithium battery detected surface, images the lithium battery coating surface according to laser triangulation ranging principle, and the emission form of laser camera 1 line laser is: the reference distance is 300mm, the measuring range is 325mm, the near vision field is 139.5mm, and the far vision field is 329.5mm;
The laser camera 1 is arranged on the two-axis moving assembly of the laser camera, a double-station rotary workbench 4 is arranged between the two-axis moving assembly of the laser camera and the upper and lower parts and the sorting robot 5, lithium batteries to be detected are placed on the double-station rotary workbench 4, the upper and lower parts and the sorting robot 5 bear 10Kg at maximum, the working radius is 1510mm, the device is mainly used for grabbing square lithium batteries, automatic feeding and discharging of the square lithium batteries are realized, and sorting of the lithium batteries with coating defects is completed;
The laser camera two-axis moving assembly comprises a laser camera transverse moving assembly 2 and a laser camera longitudinal moving assembly 3, and the laser camera transverse moving assembly 2 and the laser camera longitudinal moving assembly 3 are movably connected in a mutually perpendicular mode.
Embodiment 2, in addition to all the technical features in embodiment one, further includes: the laser camera lateral movement assembly 2 comprises a camera frame 21 and a lateral linear guide 22, the laser camera longitudinal movement assembly 3 comprises a lead screw 32 and a longitudinal linear guide 33, the camera frame 21 is respectively connected to two ends of the lateral linear guide 22, the longitudinal linear guide 33 is movably connected to the lateral linear guide 22, the lead screw 32 is rotationally connected to the longitudinal linear guide 33, the lead screw 32 is in threaded connection with a camera mounting bracket 35, the laser camera 1 is fixedly mounted on the camera mounting bracket 35 through bolts, the laser camera 1 is driven to adjust the vertical position through the laser camera longitudinal movement assembly 3, further, the shape surface detection of a square lithium battery can be realized, the laser camera lateral movement assembly 2 drives the laser camera 1 to adjust the left and right positions, and further, the position conversion of the laser camera 1 between two stations of the double-station rotary workbench 4 is realized.
The back side surface of the transverse linear guide rail 22 is connected with a rack 25 which is transversely arranged, the back side surface of the upper end of the longitudinal linear guide rail 33 is fixedly connected with a transverse moving motor 23, a driving gear 24 is coaxially connected to a rotating shaft of the transverse moving motor 23, the driving gear 24 is meshed with the rack 25, the driving gear 24 is driven to rotate by the transverse moving motor 23, and further, the longitudinal linear guide rail 33 is driven to move left and right under the meshing action of the driving gear 24 and the rack 25.
Embodiment 3, in addition to all the technical features in the second embodiment, further includes: the back side surface of the longitudinal linear guide rail 33 is also rotationally connected with a roller 34, and the roller 34 is movably clamped on the track of the transverse linear guide rail 22, so that when the longitudinal linear guide rail 33 moves and adjusts leftwards and rightwards, the roller 34 can roll on the track of the transverse linear guide rail 22, namely, the movement adjustment of the longitudinal linear guide rail 33 along the track direction of the transverse linear guide rail 22 can be realized.
The upper end of the longitudinal linear guide rail 33 is fixedly connected with a longitudinal moving motor 31, and the rotating shaft of the longitudinal moving motor 31 is coaxially connected with a screw rod 32, and the screw rod 32 is driven to rotate by the longitudinal moving motor 31, so that a camera mounting bracket 35 can move up and down along the screw rod 32, and the adjustment of the up and down position of the laser camera 1 is driven.
Embodiment 4, in addition to all the technical features in embodiment one, further includes: the double-station rotary workbench 4 comprises a workbench frame 41, a rotary disc 46 and two-finger electric clamping jaws 47, wherein the rotary disc 46 is rotatably connected to the workbench frame 41, and two groups of two-finger electric clamping jaws 47 are vertically connected to the rotary disc 46, so that the film coating detection of the lithium battery is divided into two parallel stations, and the feeding and discharging of the lithium battery and the detection can be simultaneously carried out.
On the same station, the two-finger electric clamping jaw 47 clamps and fixes different lithium batteries in a diagonally-staggered arrangement mode, so that the laser camera 1 can scan the coating surfaces of a plurality of lithium batteries at a time, and imaging detection is performed.
The rotary motor 42 and the speed reducer 43 are fixedly connected in the workbench frame 41, the power input end of the speed reducer 43 is connected with the rotating shaft of the rotary motor 42, the power output end of the speed reducer 43 is connected with the reduction gear 44, the reduction gear 44 is in meshed connection with the slewing bearing 45, the slewing bearing 45 is fixedly connected with the slewing disk 46 together in a coaxial line, the slewing bearing 45 is driven to rotate through the reduction gear 44, and then the slewing disk 46 is driven to rotate, so that the shape surface conversion of a lithium battery can be realized, and the laser camera can conveniently image different surfaces of the same lithium battery.
Preparing a laser camera 1 in a zero position, grabbing a lithium battery by a robot, and loading a workpiece at a first station; the first station loading is finished, the laser camera 1 starts to move, the first surface of the lithium battery is detected, and the detection of other surfaces is sequentially finished through the double-station rotary workbench 4; meanwhile, the robot loads the workpiece on the second station; the second station is finished in loading, the first station is detected, and the laser camera 1 exchanges stations with the robot; the robot performs workpiece unloading and workpiece loading on the first station, and if the lithium battery with the surface defect is contained in the workpiece, the robot distinguishes and independently lists the lithium battery through position calibration; and sequentially circulating.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. Double-station multi-shape-surface square lithium battery coating detection device based on laser triangulation method, comprising a laser camera (1), an upper part, a lower part and a sorting robot (5), and being characterized in that: the laser camera (1) emits line laser to irradiate on a detected surface of the lithium battery;
the laser camera (1) is arranged on the two-axis moving assembly of the laser camera, a double-station rotary workbench (4) is arranged between the two-axis moving assembly of the laser camera and the upper and lower parts and the sorting robot (5), and a lithium battery to be detected is placed on the double-station rotary workbench (4);
The laser camera two-axis moving assembly comprises a laser camera transverse moving assembly (2) and a laser camera longitudinal moving assembly (3), and the laser camera transverse moving assembly (2) and the laser camera longitudinal moving assembly (3) are movably connected in a mutually perpendicular mode.
2. The double-station multi-face square lithium battery coating detection device according to claim 1, wherein: the laser camera transverse moving assembly (2) comprises a camera frame (21) and a transverse linear guide rail (22), the laser camera longitudinal moving assembly (3) comprises a screw rod (32) and a longitudinal linear guide rail (33), the camera frame (21) is respectively connected to two ends of the transverse linear guide rail (22), the longitudinal linear guide rail (33) is movably connected to the transverse linear guide rail (22), the screw rod (32) is rotatably connected to the longitudinal linear guide rail (33), the screw rod (32) is connected with a camera mounting bracket (35) in a threaded manner, and the laser camera (1) is fixedly mounted on the camera mounting bracket (35) through bolts.
3. The double-station multi-face square lithium battery coating detection device according to claim 2, wherein: the back side of the transverse linear guide rail (22) is connected with a rack (25) which is transversely arranged, the back side of the upper end of the longitudinal linear guide rail (33) is fixedly connected with a transverse moving motor (23), a driving gear (24) is coaxially connected to the rotating shaft of the transverse moving motor (23), and the driving gear (24) is meshed with the rack (25).
4. The double-station multi-face square lithium battery coating detection device according to claim 3, wherein: the back side surface of the longitudinal linear guide rail (33) is also rotationally connected with a roller (34), and the roller (34) is movably clamped on the track of the transverse linear guide rail (22).
5. The laser triangulation-based double-station multi-planar square lithium battery envelope detection device according to claim 2, wherein: the upper end of the longitudinal linear guide rail (33) is fixedly connected with a longitudinal moving motor (31), and a rotating shaft of the longitudinal moving motor (31) is coaxially connected with a screw rod (32).
6. The double-station multi-face square lithium battery coating detection device according to claim 1, wherein: the double-station rotary workbench (4) comprises a workbench frame (41), a rotary disc (46) and two-finger electric clamping jaws (47), wherein the rotary disc (46) is rotatably connected to the workbench frame (41), and the rotary disc (46) is vertically connected with two groups of two-finger electric clamping jaws (47).
7. The double-station multi-face square lithium battery coating detection device according to claim 6, wherein: on the same station, the two-finger electric clamping jaw (47) clamps and fixes different lithium batteries in a diagonally staggered arrangement mode.
8. The double-station multi-face square lithium battery coating detection device according to claim 6, wherein: the rotary motor (42) and the speed reducer (43) are fixedly connected in the workbench frame (41), the power input end of the speed reducer (43) is connected with the rotating shaft of the rotary motor (42), the power output end of the speed reducer (43) is connected with the reduction gear (44), the reduction gear (44) is in meshed connection with the slewing bearing (45), and the slewing bearing (45) and the slewing disc (46) are fixedly connected together in a coaxial line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323004994.8U CN221199486U (en) | 2023-11-08 | 2023-11-08 | Double-station multi-shape-surface square lithium battery coating detection device based on laser triangulation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323004994.8U CN221199486U (en) | 2023-11-08 | 2023-11-08 | Double-station multi-shape-surface square lithium battery coating detection device based on laser triangulation method |
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| Publication Number | Publication Date |
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| CN221199486U true CN221199486U (en) | 2024-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323004994.8U Active CN221199486U (en) | 2023-11-08 | 2023-11-08 | Double-station multi-shape-surface square lithium battery coating detection device based on laser triangulation method |
Country Status (1)
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| CN (1) | CN221199486U (en) |
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2023
- 2023-11-08 CN CN202323004994.8U patent/CN221199486U/en active Active
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