CN110596143A - Square aluminum shell battery appearance detection device and method - Google Patents
Square aluminum shell battery appearance detection device and method Download PDFInfo
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- CN110596143A CN110596143A CN201911043408.6A CN201911043408A CN110596143A CN 110596143 A CN110596143 A CN 110596143A CN 201911043408 A CN201911043408 A CN 201911043408A CN 110596143 A CN110596143 A CN 110596143A
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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Abstract
The invention discloses a square aluminum-shell battery appearance detection device and a method thereof, and the device comprises a large-surface detection module, a battery positioning module, a transplanting overturning module, a jacking transplanting module, a small-surface and corner angle detection module and a vertical edge detection module, wherein the large-surface detection module is over against the battery positioning module, the transplanting overturning module is positioned between the large-surface detection module and the battery positioning module, the jacking transplanting module is arranged on the side edge of the transplanting overturning module, and the small-surface and corner angle detection module and the vertical edge detection module are arranged on two sides of the jacking transplanting module; the large-surface detection module is used for scanning the large surface of the battery, the small-surface and corner detection module is used for scanning the small surface, the transverse edge and the corner of the battery, the vertical edge detection module is used for scanning the vertical edge of the battery, and the battery is positioned and transplanted through the battery positioning module, the transplanting and overturning 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 device and a method for detecting the appearance of a square aluminum-shell battery.
Background
With the development requirements of electronic application equipment, the lithium battery industry also faces rapid development, and a plurality of lithium battery manufacturers have the advantage of rapid development and growth due to wind. In the production process of the battery, appearance detection is an important detection for detecting whether the battery is qualified. Many surface defects of the lithium battery are directly related to structural defects inside and outside the battery, the defects can directly cause the safety problem and the reliability problem of the battery, and a large part of important potential safety hazards can be effectively eliminated through the detection of the surface defects, so the detection of the surface defects is very important. At present, the appearance of the battery is mainly detected by naked eyes so as to eliminate the defects of battery bulge, scratch and the like. The efficiency of the current battery manufacturing is very high, and relatively, if appearance detection still mainly depends on manual detection, the overall efficiency of the battery production is greatly influenced, and the labor cost is increased; moreover, the judgment standards of manual detection are different, so that false detection and missed detection exist, and the battery is damaged due to the fact that a person touches the battery. Therefore, it is an urgent problem to be solved by those skilled in the art that the automation and mechanization level of the battery appearance inspection needs to be improved.
Disclosure of Invention
The invention provides a device and a method for detecting the appearance of a square aluminum-shell battery, aiming at the defects of the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the appearance detection device for the square aluminum-shell battery comprises a large-surface detection module, a battery positioning module, a transplanting and overturning module, a jacking and transplanting module, a small-surface and corner angle detection module and a vertical edge detection module, wherein the large-surface detection module is right opposite to the battery positioning module; the large-area detection module is provided with a large-area scanning camera which performs large-area scanning on the battery positioning module; the battery positioning module is provided with a rotating mechanism which rotates the battery to assist the large-area detection module to complete 2 large-area scans; the transplanting and overturning module transfers the battery from the battery positioning module to the lifting and transplanting module and topples and places the battery; 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 assemblies for battery circulation are arranged on two sides of the transplanting platform, the jacking assemblies convey the batteries to the detection station for detection, the detection station is provided with a rotating assembly for driving the batteries to rotate, and the batteries are scanned and detected on the rotating assembly; 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 edge and the corner 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-area detection module comprises a first guide rail, a second guide rail, a fixed seat, a first camera mounting frame and a large-area scanning camera, wherein the first guide rail is horizontally arranged, and the fixed seat is mounted 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 large-area sweeping 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 large-area scanning camera before scanning, and the first guide rail realizes horizontal movement in 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 rotate, and a fastening clamping jaw for fixing the position of a battery is arranged on the battery clamp.
In the technical scheme, the transplanting overturning module comprises a support frame, a third guide rail, a fourth guide rail, an overturning clamp and an overturning clamping jaw, wherein the support frame is arranged in a queue mode, the third guide rail is horizontally arranged on the support frame, the fourth guide rail vertical to the guide rail is connected in the third guide rail in a sliding mode, the overturning clamp is connected in the fourth guide rail, and the third guide rail and the fourth guide rail jointly adjust the position of the overturning clamp; 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.
In the technical scheme, a fifth guide rail along the transplanting platform is arranged at the bottom end of the jacking assembly, a limiting groove is arranged at the top end of the jacking assembly, and the limiting grooves which are symmetrical at two sides limit the battery together; the jacking assembly ascends and descends in the vertical direction to fix and release the batteries, and the fifth guide rail moves the batteries on each station; the jacking assembly is provided with 2 groups, 1 group of jacking assemblies transfer the batteries waiting for the station to the detection station, and the other 1 group of jacking assemblies transfer the batteries detecting the station to the completion station synchronously.
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 sweeping camera and 2 corner cameras; the setting of module is transplanted in the sixth guide rail on a parallel with the jacking, sliding connection has the seventh guide rail on the sixth guide rail, the second camera mount is located on the seventh guide rail, fixed mounting has 1 facet camera and 2 edges and corners camera on the second camera mount, sweep the facet of facet camera just to battery on the detection station, 2 edges and corners camera are located respectively and sweep the upper and lower side of facet camera, the edge and corners camera slope of upside down, aim at the upper end of battery and violently intersect or the angle, the edge and corners camera slope of downside is up, aim at the lower extreme violently intersect or the angle of battery.
Among the technical scheme, the vertical edge detection module includes eighth guide rail, ninth guide rail, tenth guide rail, third camera mounting bracket and vertical edge camera, the eighth guide rail is on a parallel with the jacking and transplants the module setting, the eighth guide rail, the ninth guide rail, the tenth guide rail connects perpendicularly in proper order, third camera mounting bracket is connected on the tenth guide rail, fixed mounting has the vertical edge camera on the third camera mounting bracket, the eighth guide rail, the position that third camera mounting bracket was adjusted to ninth guide rail and tenth guide rail makes vertical edge camera just scan the detection to the vertical edge.
In the technical scheme, tank chains used for arranging wiring harnesses in the module are arranged on the large-surface detection module, the transplanting overturning module, the small-surface and corner angle detection module and the vertical edge detection module.
In the technical scheme, the large-area sweeping camera, the small-area sweeping camera, the edge angle camera and the vertical edge camera are 3D laser cameras.
A method for detecting the appearance of a square aluminum-shell battery adopts the appearance detection device of the square aluminum-shell battery with the technical scheme, and the detection steps are as follows:
(1) the square aluminum shell battery is vertically placed on the battery positioning module, one large surface of the battery is over against 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 of the battery is opposite to the large surface detection module, and the large surface scanning camera scans the large surface of the battery;
(3) the transplanting and overturning module transfers the battery in the battery positioning module to a waiting station of the jacking and transplanting module, the battery is placed in an inclined mode, and the large surface of the battery faces up and down;
(4) jacking subassembly with the battery circulation to the rotating assembly who detects the station on, facet and edges and corners detection module and perpendicular arris detection module scan the battery and detect:
firstly, scanning 1 small face and 2 transverse edges by a small face and edge angle detection module, scanning 1 vertical edge by a vertical edge detection module, and driving a battery to rotate by 30 degrees by a rotating assembly;
scanning 2 angles by the facet and edge angle detection module, and driving the battery to rotate 60 degrees by the rotating assembly;
repeating the first step and the second step until scanning detection of 4 small faces, 8 transverse edges, 4 vertical edges and 8 angles is completed;
(5) the jacking assembly enables the battery to be transferred to the completion station from the detection station and to be transferred to the next working procedure.
The invention has the beneficial effects that: the appearance detection device of the square aluminum-shell battery adopts a camera scanning mode, information scanning of all surfaces, edges and corners 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 the battery is positioned and transplanted through a battery positioning module, a transplanting and overturning module and a jacking and transplanting module, so that automatic operation of appearance scanning of the square aluminum-shell battery is completed; the camera that the scanning was used adopts 3D laser camera, improves the outward appearance and detects the precision.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of a large-area detection module according to the present invention.
Fig. 3 is a schematic structural view of a battery positioning module of the present invention.
Fig. 4 is a schematic structural diagram of the transplanting overturning module of the invention.
Fig. 5 is a schematic structural diagram of the jacking transplanting module of the invention.
FIG. 6 is a schematic structural diagram of a facet and corner detection module according to the present invention.
FIG. 7 is a schematic structural diagram of a vertical edge detection module according to the present invention.
In the figure, 1-large area detection module; 11-a first guide rail; 12-a second guide rail; 13-a fixed seat; 14-a first camera mount; 15-a large area camera; 2-a battery positioning module; 21-a fixed base; 22-a first rotation mechanism; 23-a battery clamp; 24-fastening jaws; 3-transplanting and turning over the module; 31-a support frame; 32-a third guide rail; 33-a fourth guide rail; 34-overturning the clamp; 35-overturning the clamping jaw; 36-a second rotation mechanism; 4-jacking and transplanting the module; 41-transplanting a platform; 42-waiting station; 43-a detection station; 44-completion of the station; 45-jacking assembly; 451-a limit groove; 46-a fifth guide rail; 47-a rotating assembly; 5-facet and corner detection module; 51-a sixth guide rail; 52-seventh guide rail; 53-a second camera mount; 54-a faceting camera; 55-corner camera; 6-vertical edge detection module; 61-an eighth guide rail; 62-a ninth rail; 63-tenth rail; 64-a third camera mount; 65-vertical edge camera; 71-a battery; 72-tank chain.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, an appearance detection device for a square aluminum-shell battery comprises a large-surface detection module 1, a battery positioning module 2, a transplanting and overturning module 3, a jacking and transplanting module 4, a small-surface and corner 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, the appearance detection device of the square battery with the aluminum shell finishes the appearance detection of all the planes, edges and corners through the large face detection module 1, the small face and edge corner detection module 5 and the vertical edge detection module 6, and the battery positioning module 2, the transplanting and overturning module 3 and the jacking and transplanting module 4 are responsible for the circulation operation of the battery detection process.
The large-area detection module 1, the battery positioning module 2 and the transplanting overturning module 3 are positioned at the front end of the whole detection device, the large-area detection module 1 is over against the battery positioning module 2, and the large-area detection module 1 is responsible for detecting 2 large areas of the battery 71; the transplanting overturning 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 overturning module 3, and the transplanting overturning module 3 is responsible for transferring the battery 71 of which the large surface is 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 small face and corner detection module 5 and a vertical edge detection module 6, when the battery 71 flows on the jacking transplanting module 4, the small face and corner detection module 5 is responsible for detecting 4 small faces, 8 horizontal edges and 8 corners, and the vertical edge detection module 6 is responsible for detecting 4 vertical edges. This square aluminum hull battery outward appearance detection device all carries out 2 square aluminum hull battery's outward appearance detection simultaneously in each 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 base 13, a first camera mounting frame 14 and a large-area scanning camera 15, the first guide rail 11 is horizontally placed on the test platform, the fixing base 13 is mounted on the first guide rail 11, and the fixing base 13 can horizontally move along the direction of the first guide rail 11; the fixed 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 large-area sweeping camera 15 is fixed on the first camera mounting frame 14, and the first camera mounting frame 14 can move vertically along the direction of the second guide rail 12. The initial position before the sweep area camera 15 scans is adjusted by the first guide rail 11 and the second guide rail 12 together, the first guide rail 11 realizes the horizontal movement in the scanning process, and the sweep area camera 15 can scan the large area of 2 batteries 71 at one time.
As shown in fig. 3, the battery positioning module 2 includes a fixing base 21, a first rotating mechanism 22 and a battery clamp 23, the fixing base 21 is a fixing frame of the battery positioning module 2, the first rotating mechanism 22 is disposed below the fixing base 21, the battery clamp 23 is disposed above the fixing base 21, the first rotating mechanism 22 is connected to the battery clamp 23 through a through hole of the fixing base 21, the first rotating 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 rotating 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 deviation in the scanning process and battery falling in the rotating process. The number of the first rotating mechanism 22 and the battery clamp 23 is 2, and 2 batteries can be clamped simultaneously to carry out large-area scanning.
As shown in fig. 4, the transplanting overturning module 3 includes a support frame 31, a third guide rail 32, a fourth guide rail 33, an overturning fixture 34 and an overturning clamping jaw 35, the support frame 31 is installed on the test platform in a standing manner, 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 overturning fixture 34 is connected in the fourth guide rail 33 and can move along the guide rail direction of the fourth guide rail 33, 2 overturning clamping jaws 35 are arranged on the overturning fixture 34, and the 2 overturning 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 dump the battery 71 into the jacking transplanting module 4 on the side edge of the transplanting turnover module 3.
As shown in fig. 5, the main 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 overturning module 3 puts the batteries 71 with the detected surfaces on the waiting station 42. Jacking assemblies 45 are arranged on two sides of the transplanting platform 41, the jacking assemblies 45 are limited on fifth guide rails 46 parallel to the transplanting platform 41, and the fifth guide rails 46 drive the jacking assemblies 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 limiting grooves 451 which are symmetrical on two sides can limit the battery 71 in the jacking assembly 45 together; the jacking assembly 45 can ascend and descend in the vertical direction, when the jacking assembly 45 descends 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 moves to the corresponding station, the jacking assembly 45 ascends to the high position, the battery 71 is jacked from the station and limited in the limiting groove 451, at the moment, the jacking assembly 45 horizontally moves 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 low position, and the battery 71 is released from the jacking assembly 45 and placed on the station. In order to improve the circulation efficiency of the battery 71 between the stations, 2 groups of jacking assemblies 45 are arranged, 1 group of jacking assemblies 45 circulate the battery waiting at the station 42 to the detection station 43, and the other 1 group of jacking assemblies 45 synchronously circulate the battery waiting at the station 43 to the completion station 44. Each set of the jacking assemblies 45 is provided with 2 jacking parts to simultaneously perform circulation of 2 batteries 71.
The jacking transplanting module 4 is provided with fixed battery placing tables at the waiting station 42 and the finishing station 44, the detection station 43 is provided with a rotating assembly 47, and the rotating assembly 47 drives the battery 71 to rotate, so that each small face, transverse edge and vertical edge are aligned with the corresponding detection cameras in the small face and edge angle detection module 5 and the vertical edge detection module 6.
As shown in fig. 6, the facet and corner detection module 5 includes a sixth guide rail 51, a seventh guide rail 52, a second camera mounting bracket 53, a facet 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 mode, 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 sweeping camera 54 and 2 corner cameras 55 are fixedly mounted on the second camera mounting frame 53, the 1 facet sweeping camera 54 is over against a facet of the battery, the 2 corner cameras 55 are respectively located on the upper side and the lower side of the facet sweeping camera 54, the corner camera 55 on the upper side inclines downwards, the camera is aligned to the upper end transverse edge or corner of the battery, the corner camera 55 on the lower side inclines upwards, and the camera is aligned to the lower end transverse edge or corner of the battery. When the small face of the battery is over against the small face and corner angle detection module 5, the small face and corner angle detection module 5 scans and detects 2 transverse edges and 1 small face of the small face, and the rotating assembly 47 rotates 30 degrees after scanning; the cameras of the edge camera 55 are aimed at the corners of the battery, the appearance of the corners of the battery is scanned, and the rotating assembly 47 rotates 60 degrees after scanning; by analogy, after the 360-degree rotation is completed, all 4 facets, 8 transverse edges and 8 corners complete scanning detection. The faceting camera 54 and the corner camera 55 can scan 2 cells 71 at once.
As shown in fig. 7, the vertical edge detection module 6 includes an eighth guide rail 61, a ninth guide rail 62, a tenth guide rail 63, a third camera mounting bracket 64, and a vertical edge camera 65. The eighth guide rail 61 is parallel to the setting of module 4 is transplanted in the jacking, eighth guide rail 61, the ninth guide rail 62, tenth guide rail 63 connects perpendicularly in proper order, third camera mounting bracket 64 is connected on tenth guide rail 63, fixed mounting has 2 vertical edge cameras 65 on the third camera mounting bracket 64, 1 vertical edge camera 65 carries out the vertical edge scanning to 1 battery, eighth guide rail 61, ninth guide rail 62 and tenth guide rail 63 realize that third camera mounting bracket 64 is at each axial removal, reciprocate when adjusting vertical edge camera 65's scanning position and realizing the scanning. The vertical edge camera 65 is positioned obliquely with respect to the facets of the battery and the camera head of the camera is aimed at the vertical edge between the two facets. During scanning detection, the vertical edge camera 65 scans the vertical edge from top to bottom or from bottom to top; the first scanning is performed after the battery is not rotated, and the next scanning is performed after 2 times of rotation of 90 degrees, so that the scanning of 4 vertical edges is completed.
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 the vertical arris detection module 6, tank chain 72 is used for the connecting wire bundle in the arrangement module, avoids removing the in-process line bundle disorder and hindering square aluminum hull battery outward appearance detection device's normal operating in the detection.
All cameras in the square aluminum-shell battery appearance detection device adopt 3D laser cameras, and the large-area scanning camera 15 and the small-area scanning camera 54 adopt a Keynes LJ-V7200B type laser sensor; the edge camera 55 and the vertical edge camera 65 employ a laser sensor of the keyence LJ-V7060 type.
The working steps of the appearance detection device for the square aluminum-shell battery are as follows:
(1) a square aluminum shell battery is vertically placed on the battery positioning module 2, one large surface of the battery is over against 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 is opposite to the large surface detection module 1, and the large surface scanning camera 15 scans the large surface of the battery;
(3) the transplanting overturning 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 an inclined mode with the large surfaces facing up and down;
(4) jacking subassembly 45 detects on the rotating assembly 47 of station 43 with the battery circulation, facet and edges and corners detection module 5 and vertical arris detection module 6 scan the battery and detect:
firstly, a small face and edge angle detection module 5 scans 1 small face and 2 transverse edges, a vertical edge detection module 6 scans 1 vertical edge, and a rotating assembly 47 drives a battery to rotate for 30 degrees;
the facet and corner angle detection module 5 scans 2 angles, and the rotating assembly 47 drives the battery to rotate 60 degrees;
repeating the first step and the second step until scanning detection of 4 small faces, 8 transverse edges, 4 vertical edges and 8 angles is completed;
(5) the jacking assembly 45 moves the batteries from the inspection station 43 to the completion station 44 for transfer to the next process.
The above examples are intended to illustrate rather than to limit the invention, and all equivalent changes and modifications made by the methods described in the claims of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Square aluminum hull battery outward appearance detection device, its characterized in that: the large-face detection module is over against the battery positioning module, the transplanting overturning module is arranged between the large-face detection module and the battery positioning module, the jacking transplanting module is arranged on the side edge of the transplanting overturning module, and the small-face and corner detection module and the vertical corner detection module are arranged on two sides of the jacking transplanting module; the large-area detection module is provided with a large-area scanning camera which performs large-area scanning on the battery positioning module; the battery positioning module is provided with a rotating mechanism which rotates the battery to assist the large-area detection module to complete 2 large-area scans; the transplanting and overturning module transfers the battery from the battery positioning module to the lifting and transplanting module and topples and places the battery; 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 assemblies for battery circulation are arranged on two sides of the transplanting platform, the jacking assemblies convey the batteries to the detection station for detection, the detection station is provided with a rotating assembly for driving the batteries to rotate, and the batteries are scanned and detected on the rotating assembly; 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 edge and the corner of the battery; the vertical edge detection module is provided with a vertical edge camera for scanning the vertical edges of the battery.
2. The appearance inspection device for square aluminum-shell batteries according to claim 1, characterized in that: the large-area detection module comprises a first guide rail, a second guide rail, a fixed seat, a first camera mounting frame and a large-area scanning camera, wherein the first guide rail is horizontally arranged, and the fixed seat is mounted 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 large-area sweeping 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 large-area scanning camera before scanning, and the first guide rail realizes horizontal movement in the scanning process.
3. The appearance inspection device for square aluminum-shell batteries according to claim 1, characterized in that: 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 rotate, and a fastening clamping jaw for fixing the position of a battery is arranged on the battery clamp.
4. The appearance inspection device for square aluminum-shell batteries according to claim 1, characterized in that: the transplanting overturning module comprises a support frame, a third guide rail, a fourth guide rail, an overturning clamp and an overturning clamping jaw, wherein the support frame is arranged in a standing manner, the third guide rail is horizontally arranged on the support frame, the fourth guide rail vertical to the guide rail is connected in the third guide rail in a sliding manner, the overturning clamp is connected in the fourth guide rail, and the third guide rail and the fourth guide rail jointly adjust the position of the overturning clamp; 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.
5. The appearance inspection device for square aluminum-shell batteries according to claim 1, characterized in that: the bottom end of the jacking assembly is provided with a fifth guide rail along the transplanting platform, the top end of the jacking assembly is provided with a limiting groove, and the battery is limited by the limiting grooves which are symmetrical on two sides; the jacking assembly ascends and descends in the vertical direction to fix and release the batteries, and the fifth guide rail moves the batteries on each station; the jacking assembly is provided with 2 groups, 1 group of jacking assemblies transfer the batteries waiting for the station to the detection station, and the other 1 group of jacking assemblies transfer the batteries of the detection station to the completion station synchronously.
6. The appearance inspection device for square aluminum-shell batteries according to claim 1, characterized in that: the facet and edge angle detection module comprises a sixth guide rail, a seventh guide rail, a second camera mounting rack, 1 facet sweeping camera and 2 edge angle cameras; the setting of module is transplanted in the sixth guide rail on a parallel with the jacking, sliding connection has the seventh guide rail on the sixth guide rail, the second camera mount is located on the seventh guide rail, fixed mounting has 1 facet camera and 2 edges and corners camera on the second camera mount, sweep the facet of facet camera just to battery on the detection station, 2 edges and corners camera are located respectively and sweep the upper and lower side of facet camera, the edge and corners camera slope of upside down, aim at the upper end of battery and violently intersect or the angle, the edge and corners camera slope of downside is up, aim at the lower extreme violently intersect or the angle of battery.
7. The appearance inspection device for square aluminum-shell batteries according to claim 1, characterized in that: 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, 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 mounted on the third camera mounting frame, and the vertical edge camera is just scanned and detected to a vertical edge by adjusting the position of the third camera mounting frame through the eighth guide rail, the ninth guide rail and the tenth guide rail.
8. The appearance inspection device for square aluminum-shell batteries according to claim 1, characterized in that: tank chains used for arranging wiring harnesses in the modules are arranged on the large-surface detection module, the transplanting and overturning module, the small-surface and corner angle detection module and the vertical edge detection module.
9. The appearance inspection device for square aluminum-shell batteries according to claim 1, characterized in that: the large-area sweeping camera, the small-area sweeping camera, the edge angle camera and the vertical edge camera are 3D laser cameras.
10. A method for detecting the appearance of a square aluminum-shell battery, which adopts the appearance detection device of the square aluminum-shell battery of claim 1, comprises the following detection steps:
(1) the square aluminum shell battery is vertically placed on the battery positioning module, one large surface of the battery is over against 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 of the battery is opposite to the large surface detection module, and the large surface scanning camera scans the large surface of the battery;
(3) the transplanting and overturning module transfers the battery in the battery positioning module to a waiting station of the jacking and transplanting module, the battery is placed in an inclined mode, and the large surface of the battery faces up and down;
(4) jacking subassembly with the battery circulation to the rotating assembly who detects the station on, facet and edges and corners detection module and perpendicular arris detection module scan the battery and detect:
firstly, scanning 1 small face and 2 transverse edges by a small face and edge angle detection module, scanning 1 vertical edge by a vertical edge detection module, and driving a battery to rotate by 30 degrees by a rotating assembly;
scanning 2 angles by the facet and edge angle detection module, and driving the battery to rotate 60 degrees by the rotating assembly;
repeating the first step and the second step until scanning detection of 4 small faces, 8 transverse edges, 4 vertical edges and 8 angles is completed;
(5) the jacking assembly enables the battery to be transferred to the completion station from the detection station and to be transferred to the next working procedure.
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