CN110596143B - Square aluminum shell battery appearance detection device and method thereof - Google Patents
Square aluminum shell battery appearance detection device and method thereof Download PDFInfo
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- CN110596143B CN110596143B CN201911043408.6A CN201911043408A CN110596143B CN 110596143 B CN110596143 B CN 110596143B CN 201911043408 A CN201911043408 A CN 201911043408A CN 110596143 B CN110596143 B CN 110596143B
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Abstract
The invention discloses a square aluminum shell battery appearance detection device and a method thereof, wherein the square aluminum shell battery appearance detection device comprises a large-surface detection module, a battery positioning module, a transplanting turnover module, a jacking transplanting module, a small-surface and edge detection module and a vertical edge detection module, wherein the large-surface detection module is opposite to the battery positioning module, the transplanting turnover module is positioned between the large-surface detection module and the battery positioning module, the jacking transplanting module is arranged at the side edge of the transplanting turnover module, and the small-surface and edge detection module and the vertical edge detection module are arranged at two sides of the jacking transplanting module; the large-surface detection module scans the large surface of the battery, the small-surface and edge angle detection module scans the small surface, the transverse edge and the angle of the battery, the vertical edge detection module scans the vertical edge of the battery, and the battery is positioned and transplanted through the battery positioning module, the transplanting turnover module and the jacking transplanting module in the scanning process. The invention has the advantages that: the invention can automatically realize the appearance detection of the square battery, effectively reduce the labor cost and improve the efficiency of the appearance detection of the battery.
Description
Technical Field
The invention relates to the technical field of battery detection, in particular to a square aluminum shell battery appearance detection device and a square aluminum shell battery appearance detection method.
Background
Along with the development requirements of electronic application equipment, the lithium battery industry also has a rapid development, and many lithium battery manufacturers are windy and develop rapidly. In the battery production process, appearance detection is an important detection for checking whether a battery is qualified. Many surface defects of a lithium battery are directly related to structural defects of the inside and the outside of the battery, and the defects directly cause the safety problem and the reliability problem of the battery, and most of important potential safety hazards can be effectively eliminated through detection of the surface defects, so that the detection of the surface defects is very important. Currently, battery appearance detection mainly relies on manual visual detection to eliminate defects such as battery bulge and scratches. The current battery manufacturing efficiency is very high, and relatively, if appearance detection still mainly depends on manual detection, the overall efficiency of battery production is greatly affected, and the labor cost is increased; moreover, the judgment standards of manual detection are different, and there are cases of false detection and missing detection, and also situations of battery damage caused by personnel touching the battery. Therefore, it is a urgent problem for those skilled in the art to improve the automation and mechanization level of battery appearance detection.
Disclosure of Invention
The invention aims to solve the technical problem of providing a square aluminum shell battery appearance detection device and a square aluminum shell battery appearance detection method aiming at the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: the square aluminum shell battery appearance detection device comprises a large-surface detection module, a battery positioning module, a transplanting turnover module, a jacking transplanting module, a small-surface and edge detection module and a vertical edge detection module, wherein the large-surface detection module is opposite to the battery positioning module, the transplanting turnover module is arranged between the large-surface detection module and the battery positioning module, the jacking transplanting module is arranged at the side edge of the transplanting turnover module, and the small-surface and edge detection module and the vertical edge detection module are arranged at two sides of the jacking transplanting module; the large-surface detection module is provided with a large-surface scanning camera, and the large-surface scanning camera carries out large-surface scanning on the battery positioning module; the battery positioning module is provided with a rotating mechanism, and the rotating mechanism rotates the battery to assist the large-surface detection module to finish 2 large-surface scans; the transplanting turnover module flows the battery from the battery positioning module to the lifting transplanting module, and the battery is placed in a toppling mode; the jacking and transplanting module is provided with a transplanting platform, a waiting station, a detection station and a completion station are sequentially arranged on the transplanting platform, jacking components for battery circulation are arranged on two sides of the transplanting platform, the jacking components transfer the battery circulation to the detection station for detection, the detection station is provided with a rotating component for driving the battery to rotate, and the battery is scanned and detected on the rotating component; the facet and corner detection module is provided with a facet scanning camera for scanning the facet of the battery and a corner camera for scanning the transverse edges and corners of the battery; the vertical edge detection module is provided with a vertical edge camera for scanning the vertical edges of the battery.
In the technical scheme, the large-surface detection module comprises a first guide rail, a second guide rail, a fixing seat, a first camera mounting frame and a large-surface sweeping camera, wherein the first guide rail is horizontally arranged, and the fixing seat is arranged on the first guide rail and can move along the guide rail direction of the first guide rail; the second guide rail is vertically arranged on the fixed seat, the first camera mounting frame is slidably arranged on the second guide rail, and the sweeping surface camera is fixed on the first camera mounting frame; the first guide rail and the second guide rail jointly adjust the initial position of the scanning surface camera before scanning, and the first guide rail realizes the horizontal movement of the scanning process.
In the technical scheme, the battery positioning module comprises a fixed base, a first rotating mechanism and a battery clamp, wherein the first rotating mechanism is arranged below the fixed base, the battery clamp is arranged above the fixed base, the first rotating mechanism is connected with the battery clamp through a through hole of the fixed base, the first rotating mechanism drives the battery clamp to conduct rotating motion, and a fastening clamping jaw for fixing the position of a battery is arranged on the battery clamp.
According to the technical scheme, the transplanting turnover module comprises a support frame, a third guide rail, a fourth guide rail, a turnover fixture and turnover clamping jaws, wherein the support frame is arranged in a standing mode, the third guide rail is horizontally arranged on the support frame, the fourth guide rail perpendicular to the guide rail is connected in the third guide rail in a sliding mode, the turnover fixture is connected in the fourth guide rail, and the position of the turnover fixture is adjusted jointly by the third guide rail and the fourth guide rail; the overturning clamp is provided with an overturning clamping jaw, the overturning clamping jaw is connected with a second rotating mechanism, and the second rotating mechanism drives the overturning clamping jaw to realize the rotation dumping of the battery.
In the technical scheme, a fifth guide rail along a transplanting platform is arranged at the bottom end of a jacking assembly, a limiting groove is arranged at the top end of the jacking assembly, and the battery is limited by the symmetrical limiting grooves at two sides; the jacking component is lifted in the vertical direction to fix and release the battery, and the fifth guide rail moves the battery on each station; the jacking components are provided with 2 groups, the battery flows of the waiting stations are transferred to the detection stations by the 1 group of jacking components, and the battery flows of the detection stations are synchronously transferred to the finishing stations by the 1 group of jacking components.
In the technical scheme, the facet and corner detection module comprises a sixth guide rail, a seventh guide rail, a second camera mounting frame, 1 facet scanning camera and 2 corner cameras; the sixth guide rail is parallel to the jacking transplanting module, the seventh guide rail is connected with the sixth guide rail in a sliding mode, the second camera mounting frame is arranged on the seventh guide rail, 1 facet scanning camera and 2 corner cameras are fixedly arranged on the second camera mounting frame, the facet scanning camera is opposite to the facet of the battery on the detection station, the 2 corner cameras are respectively located on the upper side and the lower side of the facet scanning camera, the corner cameras on the upper side are inclined downwards and are aligned with the upper transverse edges or corners of the battery, the corner cameras on the lower side are inclined upwards and are aligned with the lower transverse edges or corners of the battery.
Among the technical scheme, erect the arris detection module and include eighth guide rail, ninth guide rail, tenth guide rail, third camera mounting bracket and erect the arris camera, eighth guide rail is on a parallel with jacking transplanting module setting, eighth guide rail, ninth guide rail, tenth guide rail are perpendicular to be connected in proper order, third camera mounting bracket is connected on tenth guide rail, fixed mounting has erect the arris camera on the third camera mounting bracket, eighth guide rail, ninth guide rail and tenth guide rail adjust the position of third camera mounting bracket and make erect the arris camera just to erecting the arris and scan detection.
According to the technical scheme, a tank chain for arranging the internal connection wire harness of the module is arranged on the large-surface detection module, the transplanting turnover module, the small-surface and edge detection module and the vertical edge detection module.
In the technical scheme, the sweeping face camera, the edge angle camera and the vertical edge camera are 3D laser cameras.
The method for detecting the appearance of the square aluminum shell battery adopts the technical scheme, and comprises the following detection steps:
(1) The square aluminum shell battery is vertically arranged on the battery positioning module, one large surface of the battery faces the large surface detection module, and the large surface scanning camera scans the large surface of the battery;
(2) The battery positioning module rotates the battery by 180 degrees, the other large surface faces the large surface detection module, and the large surface scanning camera scans the large surface of the battery;
(3) The transplanting turnover module transfers the battery in the battery positioning module to a waiting station of the jacking transplanting module, and the battery is placed in a toppling mode with a large surface facing up and down;
(4) The jacking assembly transfers the battery to the rotating assembly of the detection station, and the small face and edge angle detection module and the vertical edge detection module scan and detect the battery:
(1) the facet and edge angle detection module scans 1 facet and 2 transverse edges, the vertical edge detection module scans 1 vertical edge, and the rotation assembly drives the battery to rotate for 30 degrees;
(2) the facet and edge angle detection module scans 2 angles, and the rotation assembly drives the battery to rotate for 60 degrees;
(3) repeating the steps (1) and (2) until scanning detection of 4 facets, 8 transverse edges, 4 vertical edges and 8 angles is completed;
(5) The jacking component flows the battery from the detection station to the completion station and is to be transferred to the next process.
The beneficial effects of the invention are as follows: the square aluminum shell battery appearance detection device adopts a camera scanning mode, information scanning of all surfaces, edges and angles on the appearance of the battery is completed through a large-surface detection module, a small-surface and edge angle detection module and a vertical edge detection module, and battery positioning and transplanting are carried out through a battery positioning module, a transplanting turnover module and a jacking transplanting module, so that automatic operation of the square aluminum shell battery appearance scanning is completed; the camera that scans usefulness adopts 3D laser camera, improves outward appearance detection precision.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the large-area detection module of the present invention.
Fig. 3 is a schematic view of the structure of the battery positioning module of the present invention.
Fig. 4 is a schematic structural view of the transplanting turnover module of the present invention.
Fig. 5 is a schematic structural view of the jacking transplanting module of the present invention.
Fig. 6 is a schematic view of the structure of the facet and corner detection module of the present invention.
Fig. 7 is a schematic structural view of the vertical edge detection module of the present invention.
In the figure, a 1-large-surface detection module; 11-a first guide rail; 12-a second guide rail; 13-fixing seats; 14-a first camera mount; 15-sweeping the large-area camera; 2-a battery positioning module; 21-a fixed base; 22-a first rotation mechanism; 23-battery clamp; 24-tightening the clamping jaw; 3-transplanting and overturning modules; 31-a supporting frame; 32-a third guide rail; 33-fourth guide rail; 34-turning over the clamp; 35-turning the clamping jaw; 36-a second rotation mechanism; 4-jacking the transplanting module; 41-a transplanting platform; 42-waiting station; 43-detecting station; 44-finishing the station; 45-jacking assembly; 451-limit grooves; 46-fifth guide rail; 47-a rotating assembly; 5-a facet and corner detection module; 51-sixth guide rail; 52-seventh rail; 53-a second camera mount; 54-a swept facet camera; 55-corner camera; 6-a vertical edge detection module; 61-eighth rail; 62-ninth guide rail; 63-tenth rail; 64-a third camera mount; 65-vertical-prism cameras; 71-a battery; 72-tank chain.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the square aluminum-shell battery appearance detection device comprises a large-surface detection module 1, a battery positioning module 2, a transplanting turnover module 3, a jacking transplanting module 4, a small-surface and edge angle detection module 5 and a vertical edge detection module 6. The appearance of the square battery comprises 6 planes (2 large faces and 4 small faces), 12 edges (8 transverse edges and 4 vertical edges) and 8 corners, and the appearance detection device of the square aluminum-shell battery is used for jointly completing the appearance detection of all planes, edges and corners through the large face detection module 1, the small faces and edge angle detection module 5 and the vertical edge detection module 6, and the battery positioning module 2, the transplanting turnover module 3 and the jacking transplanting module 4 are responsible for the circulation operation of the battery detection process.
The large-surface detection module 1, the battery positioning module 2 and the transplanting turnover module 3 are positioned at the front end of the whole detection device, the large-surface detection module 1 is opposite to the battery positioning module 2, and the large-surface detection module 1 is responsible for detecting 2 large surfaces of the battery 71; the transplanting turnover module 3 is arranged between the large-surface detection module 1 and the battery positioning module 2, the jacking transplanting module 4 is arranged on the side edge of the transplanting turnover module 3, and the transplanting turnover module 3 is responsible for transferring the battery 71 with the large surface detected in the battery positioning module 2 to the jacking transplanting module 4; the two sides of the jacking transplanting module 4 are provided with a facet and edge detection module 5 and a vertical edge detection module 6, when the battery 71 flows on the jacking transplanting module 4, the facet and edge detection module 5 is responsible for completing detection of 4 facets, 8 horizontal edges and 8 angles, and the vertical edge detection module 6 is responsible for completing detection of 4 vertical edges. This square aluminum hull battery outward appearance detection device all carries out the outward appearance detection of 2 square aluminum hull batteries simultaneously in every scanning detection process.
As shown in fig. 2, the large-area detection module 1 includes a first guide rail 11, a second guide rail 12, a fixing seat 13, a first camera mounting rack 14 and a sweeping-surface camera 15, wherein the first guide rail 11 is horizontally placed on a test platform, the fixing seat 13 is installed on the first guide rail 11, and the fixing seat 13 can horizontally move along the direction of the first guide rail 11; the fixing seat 13 is provided with a second guide rail 12 in the vertical direction, the second guide rail 12 is provided with a first camera mounting frame 14, the sweeping surface camera 15 is fixed on the first camera mounting frame 14, and the first camera mounting frame 14 can vertically move along the direction of the second guide rail 12. The first guide rail 11 and the second guide rail 12 jointly adjust the initial position before the scanning of the scanning surface camera 15, the first guide rail 11 realizes the horizontal movement in the scanning process, and the scanning surface camera 15 can scan the large surfaces of 2 batteries 71 at one time.
As shown in fig. 3, the battery positioning module 2 includes a fixed base 21, a first rotation mechanism 22 and a battery clamp 23, the fixed base 21 is a fixed frame of the battery positioning module 2, the first rotation mechanism 22 is disposed below the fixed base 21, the battery clamp 23 is disposed above the fixed base 21, the first rotation mechanism 22 is connected with the battery clamp 23 through a through hole of the fixed base 21, the first rotation mechanism 22 drives the battery clamp 23 to perform a rotation motion, after the large-area detection module 1 completes a first large-area scan, the first rotation mechanism 22 rotates 180 °, and then the large-area detection module 1 performs a second large-area scan. The battery clamp 23 is provided with a fastening clamping jaw 24 so as to fix the position of the battery 71 and avoid battery deflection during scanning and battery falling during rotation. The number of the first rotating mechanism 22 and the battery clamps 23 is 2, and 2 batteries can be clamped simultaneously to perform large-area scanning.
As shown in fig. 4, the transplanting turnover module 3 comprises a support frame 31, a third guide rail 32, a fourth guide rail 33, a turnover clamp 34 and a turnover clamping jaw 35, wherein the support frame 31 is vertically installed on a test platform, the third guide rail 32 is installed on the support frame 31, and the guide rail direction is horizontal; the fourth guide rail 33 is connected in the third guide rail 32 through a mounting frame, the fourth guide rail 33 can move along the guide rail direction of the third guide rail 32, and the guide rail direction of the fourth guide rail 33 is vertical; the turning clamp 34 is connected in the fourth guide rail 33 and can move along the guide rail direction of the fourth guide rail 33, 2 turning clamping jaws 35 are arranged on the turning clamp 34, and the 2 turning clamping jaws 35 are connected with a second rotating mechanism 36. The third guide rail 32 and the fourth guide rail 33 jointly adjust the position of the turnover fixture 34, so that the turnover clamping jaw 35 on the turnover fixture 34 is aligned to the battery 71 on the battery positioning module 2, after the turnover clamping jaw 35 is clamped, the second rotating mechanism 36 drives the turnover clamping jaw 35 to rotate downwards by 90 degrees, and meanwhile, the third guide rail 32 and the fourth guide rail 33 are linked to topple the battery 71 and place the battery 71 in the jacking transplanting module 4 at the side edge of the transplanting turnover module 3.
As shown in fig. 5, the body of the jacking transplanting module 4 is a transplanting platform 41 of batteries in a horizontal direction, a waiting station 42, a detecting station 43 and a finishing station 44 are arranged on the transplanting platform 41, and the transplanting turnover module 3 places the battery 71 with the detected large surface on the waiting station 42. Jacking components 45 are arranged on two sides of the transplanting platform 41, the jacking components 45 are limited on fifth guide rails 46 parallel to the transplanting platform 41, and the fifth guide rails 46 drive the jacking components 45 to horizontally move along the direction of the transplanting platform 41; the top end of the jacking assembly 45 is provided with a limiting groove 451, and the two symmetrical limiting grooves 451 can limit the battery 71 in the jacking assembly 45 together; the jacking assembly 45 can move up and down in the vertical direction, when the jacking assembly 45 is lowered to the low position, the highest position of the limiting groove 451 is lower than the lowest position of the battery 71, the battery 71 on each station is not obstructed during horizontal movement, after the jacking assembly 45 is moved to the corresponding station, the battery 71 is jacked up from the station and limited in the limiting groove 451, at the moment, the jacking assembly 45 moves horizontally again, and the battery 71 moves along with the jacking assembly 45; after moving to the next station, the jacking assembly 45 is lowered to the lowered position and the batteries 71 are released from the jacking assembly 45 and placed on the station. In order to improve the transfer efficiency of the batteries 71 between the stations, the jacking assemblies 45 are provided with 2 groups, 1 group of jacking assemblies 45 transfer the battery flow waiting for the station 42 to the detection station 43, and the other 1 group of jacking assemblies 45 synchronously transfer the battery flow of the detection station 43 to the completion station 44. Each set of jacking assemblies 45 is provided with 2 jacking members to simultaneously circulate 2 batteries 71.
The jacking transplanting module 4 is provided with fixed battery placing tables on the waiting station 42 and the finishing station 44, and a rotating assembly 47 is arranged on the detecting station 43, and the rotating assembly 47 drives the battery 71 to rotate, so that each facet, each transverse edge and each vertical edge are aligned with the corresponding detecting camera in the facet and edge angle detecting module 5 and the corresponding detecting camera in the vertical edge detecting module 6.
As shown in fig. 6, the facet and corner detection module 5 includes a sixth rail 51, a seventh rail 52, a second camera mount 53, a facet scanning camera 54, and a corner camera 55. The sixth guide rail 51 is parallel to the jacking transplanting module 4, the seventh guide rail 52 is connected to the sixth guide rail 51 in a sliding manner, the guide rail direction of the seventh guide rail 52 is perpendicular to the guide rail direction of the sixth guide rail 51, the second camera mounting frame 53 is arranged on the seventh guide rail 52, 1 facet camera 54 and 2 corner cameras 55 are fixedly mounted on the second camera mounting frame 53, 1 facet camera 54 faces the facet of the battery, 2 corner cameras 55 are respectively located on the upper side and the lower side of the facet camera 54, the corner camera 55 on the upper side is inclined downwards, the camera is aligned with the upper transverse edge or angle of the battery, the corner camera 55 on the lower side is inclined upwards, and the camera is aligned with the lower transverse edge or angle of the battery. When the small surface of the battery faces the small surface and edge angle detection module 5, the small surface and edge angle detection module 5 scans and detects 2 transverse edges and 1 small surface of the small surface, and the rotating assembly 47 rotates for 30 degrees after scanning; the camera of the angular camera 55 is aimed at the corner of the cell, scans the appearance of the corner of the cell, and rotates the rotating assembly 47 by 60 ° after scanning; and so on, after completing 360-degree rotation, all 4 facets, 8 transverse edges and 8 angles complete scanning detection. The facet scanning camera 54 and the corner angle camera 55 can scan 2 cells 71 at a time.
As shown in fig. 7, the vertical edge detection module 6 includes an eighth rail 61, a ninth rail 62, a tenth rail 63, a third camera mount 64, and a vertical edge camera 65. The eighth guide rail 61 is parallel to the jacking transplanting module 4, the eighth guide rail 61, the ninth guide rail 62 and the tenth guide rail 63 are sequentially and vertically connected, the third camera mounting frame 64 is connected to the tenth guide rail 63, 2 vertical-edge cameras 65 are fixedly mounted on the third camera mounting frame 64, 1 vertical-edge camera 65 performs vertical-edge scanning on 1 battery, and the eighth guide rail 61, the ninth guide rail 62 and the tenth guide rail 63 realize the movement of the third camera mounting frame 64 in each axial direction so as to adjust the scanning position of the vertical-edge cameras 65 and realize the up-and-down movement during scanning. The vertical edge camera 65 is disposed obliquely with respect to the facets of the battery and the camera's camera is aimed at the vertical edge between the two facets. During scanning detection, the vertical edge camera 65 scans the vertical edges from top to bottom or from bottom to top; and (3) starting to scan for the first time from the condition that the battery is not rotated, and performing the next time of scanning after rotating for 90 degrees for 2 times to complete the scanning of 4 vertical edges.
Wherein, all be equipped with tank chain 72 on big face detection module 1, transplant upset module 3, facet and edges and corners detection module 5 and perpendicular edge detection module 6, the connection pencil in tank chain 72 is used for the arrangement module, avoids detecting the normal operating that the pencil is disordered and obstructs square aluminum hull battery outward appearance detection device in the removal process.
All cameras in the square aluminum-shell battery appearance detection device adopt 3D laser cameras, and the sweeping surface camera 15 and the sweeping surface camera 54 adopt laser sensors of the type Kernel LJ-V7200B; the corner camera 55 and the vertical-edge camera 65 use laser sensors of kenshi LJ-V7060.
The working steps of the square aluminum shell battery appearance detection device are as follows:
(1) The square aluminum shell battery is vertically arranged on the battery positioning module 2, one large surface of the battery faces the large surface detection module 1, and the large surface scanning camera 15 scans the large surface of the battery;
(2) The battery positioning module 2 rotates the battery by 180 degrees, the other large surface faces the large surface detection module 1, and the large surface scanning camera 15 scans the large surface of the battery;
(3) The transplanting turnover module 3 transfers the batteries in the battery positioning module 2 to a waiting station 42 of the lifting transplanting module 4, and the batteries are placed in a toppling mode with large faces facing up and down;
(4) The jacking assembly 45 transfers the battery flow to the rotating assembly 47 of the detecting station 43, and the facet and edge angle detecting module 5 and the vertical edge detecting module 6 scan and detect the battery:
(1) the facet and edge angle detection module 5 scans 1 facet and 2 transverse edges, the vertical edge detection module 6 scans 1 vertical edge, and the rotation assembly 47 drives the battery to rotate 30 degrees;
(2) the facet and edge angle detection module 5 scans 2 angles, and the rotation assembly 47 drives the battery to rotate 60 degrees;
(3) repeating the steps (1) and (2) until scanning detection of 4 facets, 8 transverse edges, 4 vertical edges and 8 angles is completed;
(5) The jacking assembly 45 flows the battery from the inspection station 43 to the completion station 44 for transfer to the next process.
The foregoing examples are provided for the purpose of illustration only and are not intended to be limiting, and all equivalent changes or modifications made by the method described in the claims are intended to be included within the scope of the present invention.
Claims (4)
1. Square aluminum hull battery outward appearance detection device, its characterized in that: the device comprises a large-surface detection module, a battery positioning module, a transplanting turnover module, a jacking transplanting module, a small-surface and edge detection module and a vertical edge detection module, wherein the large-surface detection module is opposite to the battery positioning module, the transplanting turnover module is arranged between the large-surface detection module and the battery positioning module, the jacking transplanting module is arranged at the side edge of the transplanting turnover module, and the small-surface and edge detection module and the vertical edge detection module are arranged at two sides of the jacking transplanting module; the large-surface detection module is provided with a large-surface scanning camera, and the large-surface scanning camera scans the large surface of the battery on the battery positioning module; the battery positioning module is provided with a rotating mechanism, and the rotating mechanism rotates the battery to assist the large-surface detection module to finish 2 large-surface scans; the transplanting turnover module flows the battery from the battery positioning module to the lifting transplanting module, and the battery is placed in a toppling mode; the jacking transplanting module is provided with a transplanting platform, a waiting station, a detection station and a completion station are sequentially arranged on the transplanting platform, jacking components for battery circulation are arranged on two sides of the transplanting platform, the jacking components transfer the battery circulation to the detection station for detection, the detection station is provided with a rotating component for driving the battery to rotate, and the battery is scanned and detected on the rotating component; the facet and corner detection module is provided with a facet scanning camera for scanning the facet of the battery and a corner camera for scanning the transverse edges and corners of the battery; the vertical edge detection module is provided with a vertical edge camera for scanning the vertical edges of the battery;
the large-surface detection module comprises a first guide rail, a second guide rail, a fixing seat, a first camera mounting frame and a large-surface sweeping camera, wherein the first guide rail is horizontally arranged, and the fixing seat is arranged on the first guide rail and can move along the guide rail direction of the first guide rail; the second guide rail is vertically arranged on the fixed seat, the first camera mounting frame is slidably arranged on the second guide rail, and the sweeping surface camera is fixed on the first camera mounting frame; the first guide rail and the second guide rail jointly regulate the initial position of the scanning surface camera before scanning, and the first guide rail realizes the horizontal movement in the scanning process;
the battery positioning module comprises a fixed base, a first rotating mechanism and a battery clamp, wherein the first rotating mechanism is arranged below the fixed base, the battery clamp is arranged above the fixed base, the first rotating mechanism is connected with the battery clamp through a through hole of the fixed base, the first rotating mechanism drives the battery clamp to perform rotary motion, and a fastening clamping jaw for fixing the position of a battery is arranged on the battery clamp;
the transplanting turnover module comprises a support frame, a third guide rail, a fourth guide rail, a turnover fixture and turnover clamping jaws, wherein the support frame is arranged in a standing way, the third guide rail is horizontally arranged on the support frame, the fourth guide rail with the vertical guide rail direction is connected in the third guide rail in a sliding way, the turnover fixture is connected in the fourth guide rail, and the third guide rail and the fourth guide rail jointly regulate the position of the turnover fixture; the overturning clamp is provided with an overturning clamping jaw, the overturning clamping jaw is connected with a second rotating mechanism, and the second rotating mechanism drives the overturning clamping jaw to realize the rotating dumping of the battery;
the bottom end of the jacking component is provided with a fifth guide rail along the transplanting platform, the top end of the jacking component is provided with a limiting groove, and the two symmetrical limiting grooves limit the battery together; the jacking component is lifted in the vertical direction to fix and release the battery, and the fifth guide rail moves the battery on each station; the jacking assemblies are provided with 2 groups, the 1 group of jacking assemblies transfer the battery flow of the waiting station to the detection station, and the other 1 group of jacking assemblies synchronously transfer the battery flow of the detection station to the completion station;
the facet and corner detection module comprises a sixth guide rail, a seventh guide rail, a second camera mounting frame, 1 facet scanning camera and 2 corner cameras; the sixth guide rail is parallel to the jacking transplanting module, a seventh guide rail is connected to the sixth guide rail in a sliding manner, a second camera mounting frame is arranged on the seventh guide rail, 1 facet scanning camera and 2 corner cameras are fixedly arranged on the second camera mounting frame, the facet scanning camera is opposite to the facet of the battery on the detection station, the 2 corner cameras are respectively positioned on the upper side and the lower side of the facet scanning camera, the corner camera on the upper side is inclined downwards and is aligned with the upper transverse edge or angle of the battery, the corner camera on the lower side is inclined upwards and is aligned with the lower transverse edge or angle of the battery;
the vertical edge detection module comprises an eighth guide rail, a ninth guide rail, a tenth guide rail, a third camera mounting frame and a vertical edge camera, wherein the eighth guide rail is parallel to the jacking transplanting module, the eighth guide rail, the ninth guide rail and the tenth guide rail are sequentially and vertically connected, the third camera mounting frame is connected to the tenth guide rail, the vertical edge camera is fixedly installed on the third camera mounting frame, and the position of the third camera mounting frame is adjusted by the eighth guide rail, the ninth guide rail and the tenth guide rail so that the vertical edge camera can scan and detect the vertical edge.
2. The square aluminum cell appearance detection device according to claim 1, wherein: and tank chains for arranging the wiring harnesses connected in the modules are arranged on the large-surface detection module, the transplanting turnover module, the small-surface and edge detection module and the vertical edge detection module.
3. The square aluminum cell appearance detection device according to claim 1, wherein: the sweeping face camera, the corner angle camera and the vertical corner camera are 3D laser cameras.
4. The method for detecting the appearance of the square aluminum-shell battery adopts the square aluminum-shell battery appearance detection device as claimed in claim 1, and comprises the following detection steps:
(1) The square aluminum shell battery is vertically arranged on the battery positioning module, one large surface of the battery faces the large surface detection module, and the large surface scanning camera scans the large surface of the battery;
(2) The battery positioning module rotates the battery by 180 degrees, the other large surface faces the large surface detection module, and the large surface scanning camera scans the large surface of the battery;
(3) The transplanting turnover module transfers the battery in the battery positioning module to a waiting station of the jacking transplanting module, and the battery is placed in a toppling mode with a large surface facing up and down;
(4) The jacking assembly transfers the battery to the rotating assembly of the detection station, and the small face and edge angle detection module and the vertical edge detection module scan and detect the battery:
(1) the facet and edge angle detection module scans 1 facet and 2 transverse edges, the vertical edge detection module scans 1 vertical edge, and the rotation assembly drives the battery to rotate for 30 degrees;
(2) the facet and edge angle detection module scans 2 angles, and the rotation assembly drives the battery to rotate for 60 degrees;
(3) repeating the steps (1) and (2) until scanning detection of 4 facets, 8 transverse edges, 4 vertical edges and 8 angles is completed;
(5) The jacking component flows the battery from the detection station to the completion station and is to be transferred to the next process.
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| CN113466243B (en) * | 2021-06-29 | 2024-09-03 | 浙江杭可科技股份有限公司 | Square lithium battery large-surface appearance defect detection system and application method thereof |
| CN114689894A (en) * | 2022-04-08 | 2022-07-01 | 天津齐物科技有限公司 | Automatic detection device for production line products |
| CN115326834A (en) * | 2022-10-13 | 2022-11-11 | 广州超音速自动化科技股份有限公司 | Aluminum shell inspection method and equipment |
| CN116500051B (en) * | 2023-03-13 | 2023-11-28 | 超音速人工智能科技股份有限公司 | Blue film detection device for lithium battery pack |
| CN117760971A (en) * | 2024-02-21 | 2024-03-26 | 宁德时代新能源科技股份有限公司 | Detection system and method for shell of battery cell |
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