CN120205485B - Comprehensive detection equipment and detection method for appearance of battery shell - Google Patents
Comprehensive detection equipment and detection method for appearance of battery shellInfo
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- CN120205485B CN120205485B CN202510696108.7A CN202510696108A CN120205485B CN 120205485 B CN120205485 B CN 120205485B CN 202510696108 A CN202510696108 A CN 202510696108A CN 120205485 B CN120205485 B CN 120205485B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
本发明揭示了电池壳体外观全面检测设备及检测方法，包括沿产线方向依次设置的第一自动化检测装置、电池壳体旋转装置、第二自动化检测装置、分类卸料装置；第一自动化检测装置采用了步进式运行的第一自动化检测线，实现底壁面线扫检测、第一侧壁面线扫检测、第一水平倒角棱边检测；电池壳体旋转装置进行了换向；第二自动化检测装置通过电池壳体输送带输送实现第二水平倒角棱边检测、第二侧壁面线扫检测机构、第一垂直倒角棱边检测、第二垂直倒角棱边检测、敞口端形变检测机构、内表面检测；分类卸料装置进行了分类卸料。本发明满足外观全面检测需求。实现棱边与面的线扫描检测，检测结果精确可靠，分类精准。运行高效流畅稳定，提升了检测效率。
The present invention discloses comprehensive battery casing appearance inspection equipment and methods, including a first automated inspection device, a battery casing rotation device, a second automated inspection device, and a sorting and unloading device, arranged sequentially along the production line. The first automated inspection device utilizes a first automated inspection line that operates in a step-by-step manner, performing bottom wall line scanning inspection, first side wall line scanning inspection, and first horizontal chamfer edge inspection. The battery casing rotation device performs reversal. The second automated inspection device uses a battery casing conveyor belt to perform second horizontal chamfer edge inspection, second side wall line scanning inspection, first vertical chamfer edge inspection, second vertical chamfer edge inspection, open end deformation inspection, and inner surface inspection. The sorting and unloading device performs sorting and unloading. The present invention meets the requirements for comprehensive appearance inspection. It implements line scanning inspection of edges and surfaces, resulting in accurate and reliable inspection results and precise classification. It operates efficiently, smoothly, and stably, improving inspection efficiency.
Description
Technical Field
The invention relates to a comprehensive detection device and detection method for the appearance of a battery shell, and belongs to the technical field of appearance detection devices.
Background
The power battery system (power battery PACK) is a core energy source for providing driving electric energy for the new energy automobile, and is one of the most critical parts of the new energy automobile. The power battery system mainly comprises components such as a battery module, an electrical system, a thermal management system, a shell, a BMS and the like, and the battery module, the electrical system, the thermal management system and the BMS are packaged through the shell to form a main body of the power battery system.
The power battery system shell (battery shell) is used as a supporting body of the battery module, plays a key role in stabilizing work and protecting safety of the battery module, and can meet the design requirement of the protection level of the IP67 of the electric equipment shell besides ensuring the requirements of strength, rigidity and collision safety.
At present, a battery shell mainly adopts a rectangular shell with an opening, in order to meet the requirements of structural strength and the like, a forging and pressing forming mode is generally adopted, after the battery shell is forged and pressed and formed, greasy dirt and the like on the battery shell are required to be cleaned through a washing line, and then the battery shell is subjected to discharging for appearance detection after cleaning, and under the general condition, the appearance detection is required to be carried out on the top surface of the rectangular shell, the peripheral wall surface of the rectangular shell and the five surfaces of the inner cavity of the rectangular shell, so that the quality stability of the qualified battery shell is ensured.
Under the situation, the applicant provides a Chinese patent of the invention with publication number CN117401410A, which discloses a turnover positioning appearance inspection device for a battery shell, and adopts two mechanical arms to carry a detection mechanism in a matched manner to realize appearance inspection of the inner surface and the outer surface, so that the detection efficiency is improved.
But with the further promotion of battery safety standard, the outward appearance detection requirement to battery case is higher and higher, and battery case possesses openly, needs to detect five surface of battery case, five internal surfaces, the adjacent R angle limit of surface, and R angle limit is the chamfer transition cambered surface, and traditional automation equipment can't realize comparatively pertinence automated inspection, and the comprehensive detection requirement of getting more and more severe leads to detection operation time and cost very high.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a device and a method for comprehensively detecting the appearance of a battery shell, aiming at the problem that the traditional automatic equipment cannot meet the requirement of the comprehensive detection of the battery shell.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the comprehensive detection equipment for the appearance of the battery shell comprises a first automatic detection device, a battery shell rotating device, a second automatic detection device and a classification discharging device which are sequentially arranged along the direction of a production line;
The first automatic detection device comprises at least one first automatic detection line, the first automatic detection line comprises a battery shell stepping conveying device and a first appearance detection group, the battery shell stepping conveying device comprises a switching position conveying mechanism, a feeding station and at least one supporting position arranged between the feeding station and the battery shell rotating device, the switching position conveying mechanism comprises a plurality of battery shell pick-up parts for carrying out turnover switching positions of the battery shell, a battery shell supporting seat is arranged on the supporting position, the battery shell supporting seat is provided with 180-degree rotary displacement, and the first appearance detection group is respectively arranged on a path from the feeding station to the supporting position and a path from the supporting position to the battery shell rotating device;
The battery shell rotating device comprises a rotating support carrying platform and a steering driving source, wherein the steering driving source is used for driving the rotating support carrying platform to perform 90-degree rotating displacement driving;
The second automatic detection device comprises a second detection conveying device, a second appearance detection group, an inner surface detection device, a battery shell turnover mechanism for performing battery shell turnover between the rotary support carrier and the second detection conveying device, wherein the second detection conveying device comprises a battery shell conveying belt, any side edge of the battery shell conveying belt is provided with the second appearance detection group, and the inner surface detection device comprises a turnover mechanism for picking up the battery shell on the battery shell conveying belt to turn over at an open end, an inner surface detection mechanism for performing inner surface detection, a detection displacement mechanical arm for picking up the battery shell on the turnover mechanism to perform detection displacement in relative cooperation with the inner surface detection mechanism, and a battery shell caching device for receiving and detecting the finished battery shell;
The classifying and unloading device comprises a plurality of classifying conveying lines and an unloading classifying and conveying mechanism used for carrying out battery shell turnover between the battery shell buffering device and any classifying conveying line.
Preferably, the first appearance detection group comprises a first side wall facial line scanning detection mechanism and a first horizontal chamfer edge detection mechanism;
A bottom wall facial line scanning detection mechanism is further arranged on the path from the feeding station to the supporting position;
The second appearance detection group comprises a second horizontal chamfer edge detection mechanism, a second side wall facial line scanning detection mechanism, a first vertical chamfer edge detection mechanism and a second vertical chamfer edge detection mechanism;
And the conveying path of the battery shell conveying belt is provided with an open end deformation detection mechanism for detecting deformation of the open end.
Preferably, a plurality of auxiliary supporting positions are respectively arranged between the feeding station and the supporting position and between the supporting position and the battery shell rotating device, and each auxiliary supporting position comprises an auxiliary battery shell supporting seat for supporting the bottom wall surface;
the image acquisition machine of the first side wall facial line scanning detection mechanism and the first horizontal chamfer edge detection mechanism is higher than the supporting surface of the auxiliary battery shell supporting seat;
the switching position conveying mechanism comprises a switching position carrying seat with lifting displacement and horizontal displacement, a plurality of battery shell picking parts are arranged on the switching position carrying seat, and each battery shell picking part comprises a picking extension body and a negative pressure picking end, wherein the picking extension body is used for extending from the open end to the bottom wall surface, and the negative pressure picking end is arranged on the picking extension body.
Preferably, the first automation detection line comprises two first automation detection lines which are arranged in a mirror symmetry manner, and the first appearance detection groups of the two first automation detection lines are arranged oppositely;
the discharge end of any first automatic detection line is provided with the battery shell rotating device;
The battery shell turnover mechanism comprises two transfer pick-up ends which are arranged in one-to-one correspondence with the battery shell rotating devices and used for carrying out tide turnover switching displacement between the corresponding battery shell rotating devices and the second detection conveying devices.
Preferably, the inner surface detection mechanism comprises a plurality of inner surface detection ends with pivot adjustment displacement, a pickup carrier mechanism is arranged on the detection displacement mechanical arm, a plurality of bottom wall pickup ends which are arranged in one-to-one correspondence with the inner surface detection ends are arranged on the pickup carrier mechanism, and a plurality of bottom wall pickup ends are provided with linked rotation detection displacement;
the turnover mechanism comprises a turnover part and a butt limit part, wherein the turnover part and the butt limit part are arranged on two sides of the battery shell conveying belt and are oppositely arranged, the butt limit part comprises a plurality of pushing butt limit ends which are consistent in quantity with the bottom wall pick-up ends and are provided with horizontal linear displacement, the turnover part comprises a turnover carrier frame with 180-degree turnover displacement, and the turnover carrier frame is provided with turnover negative pressure adsorption ends which are matched with the pushing butt limit ends in a one-to-one correspondence mode and are used for adsorbing the second side wall surfaces.
Preferably, the turnover part comprises a material carrying frame, the material carrying frame is provided with a transfer bearing part which is arranged in one-to-one correspondence with the turnover negative pressure adsorption ends and is used for bearing the battery shell on the turnover negative pressure adsorption ends, and the transfer bearing part is provided with a floating seat base with floating displacement.
Preferably, the battery shell buffering device comprises a plurality of resetting turnover mechanisms which are arranged in one-to-one correspondence with the bottom wall pick-up ends and a plurality of battery shell buffering seats which are arranged in one-to-one correspondence with the resetting turnover mechanisms;
The reset turnover mechanism comprises a reset turnover negative pressure adsorption end which is provided with 180-degree turnover displacement and used for adsorbing the first side wall surface.
Preferably, two groups of inner surface detection devices which are oppositely arranged are arranged on two sides of the battery shell conveying belt;
The discharging classification conveying mechanism comprises two classification discharging transfer pick-up ends which are arranged in one-to-one correspondence with the battery shell buffering devices.
Preferably, the comprehensive detection device for the appearance of the battery shell is arranged at the discharge end of the battery shell cleaning device, the feeding end of the first automatic detection line is provided with a feeding conveying belt which is arranged opposite to the discharge end of the battery shell cleaning device, the feeding station is arranged on the feeding conveying belt, and the feeding conveying belt is provided with a battery shell positioning mechanism which is arranged opposite to the feeding station.
The invention also provides a detection method of the battery shell appearance comprehensive detection device, which is characterized by comprising the following steps:
The battery shell is fed to the feeding station, the open end of the battery shell faces to the top, and the second side wall surface of the battery shell faces to the battery shell rotating device;
the battery shell step-by-step switching position on the feeding station is picked up by the switching position conveying mechanism to the supporting position, the first appearance detection groups are used for sequentially detecting, and after the battery shell supporting seat on the supporting position carries out 180-degree rotation surface switching on the battery shell, the battery shell step-by-step switching position on the supporting position is picked up by the switching position conveying mechanism to the battery shell rotating device, and the first appearance detection groups are used for sequentially detecting;
The steering driving source of the battery shell rotating device drives the rotating support carrier to rotate by 90 degrees, and the first side wall surface of the battery shell on the rotating support carrier faces the conveying direction of the battery shell conveying belt;
The battery shell turnover mechanism picks up the battery shell on the rotary supporting carrier and conveys the battery shell to a battery shell conveying belt, the battery shell moves on the battery shell conveying belt, after being detected by the two second appearance detection groups, the battery shell is opposite to the position degree of the inner surface detection mechanism, the turnover mechanism picks up the battery shell on the battery shell conveying belt and turns 180 degrees so that the bottom wall of the battery shell faces to the top, after the detection displacement mechanical arm picks up the battery shell, the inner five-face displacement detection of the open end of the battery shell towards the inner surface detection mechanism is carried out, and after the detection is finished, the battery shell is placed on the battery shell buffer device;
And the discharging classification conveying mechanism transfers the battery shell on the battery shell buffer device to the classification conveying line according to the detection result.
The beneficial effects of the invention are mainly as follows:
1. the comprehensive detection requirement of the appearance of the battery shell is met.
2. The line scanning detection of edges and surfaces can be realized, the detection result is accurate and reliable, and the classification is accurate.
3. The operation is efficient, smooth and stable, and the detection efficiency is improved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
fig. 1 is a schematic view of a structure of a battery case appearance comprehensive inspection apparatus of the present invention.
Fig. 2 is a schematic top view of the overall inspection apparatus for the appearance of a battery case according to the present invention.
Fig. 3 is a schematic diagram of a structure in which the battery case appearance comprehensive detection device of the present invention is docked with the battery case cleaning device.
Fig. 4 is a schematic view of the structure of a battery case in the present invention.
Fig. 5 is a schematic structural view of the switching position conveying mechanism in the present invention.
FIG. 6 is a schematic view of the structure of the bottom wall facial line scanning detecting mechanism in the present invention.
FIG. 7 is a schematic view showing the structure of the first side wall facial line scanning detection mechanism in the present invention.
Fig. 8 is a schematic structural view of a first horizontal chamfer edge detecting mechanism in the present invention.
Fig. 9 is a schematic view of a structure of a battery case rotating device in the present invention.
Fig. 10 is a schematic view of the structure of the battery case turnover mechanism in the present invention.
Fig. 11 is a schematic view of the structure of a battery case conveyor belt in the present invention.
FIG. 12 is a schematic view of the structure of the second horizontal chamfer edge detecting mechanism according to the present invention.
Fig. 13 is a schematic structural view of the second sidewall facial line scanning detection mechanism in the present invention.
Fig. 14 is a schematic structural view of a first vertical chamfer edge detecting mechanism and a second vertical chamfer edge detecting mechanism in the present invention.
Fig. 15 is a schematic structural view of an open end variation detecting mechanism in the present invention.
Fig. 16 is a schematic structural view of the turnover mechanism in the present invention.
FIG. 17 is a schematic diagram of the inner surface detection mechanism and the displacement detection mechanical arm according to the present invention.
Fig. 18 is a schematic view of the battery case buffer device according to the present invention.
Fig. 19 is a schematic view of the structure of the discharge sorting conveyor of the present invention.
FIG. 20 is a schematic view of the structure of the feeding conveyor belt of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
The invention provides a comprehensive detection device for the appearance of a battery shell, as shown in fig. 4, the battery shell 1 is a rectangular shell with an open end 10, the outer surface of the rectangular shell comprises two oppositely arranged first side wall surfaces 11, two oppositely arranged second side wall surfaces 12 and a bottom wall surface 13 oppositely arranged with the open end, the area of the first side wall surfaces 11 is larger than that of the second side wall surfaces 12, a vertical chamfering edge 14 is arranged between the first side wall surfaces 11 and the second side wall surfaces 12, a first horizontal chamfering edge 15 is arranged between the first side wall surfaces 11 and the bottom wall surface, and a second horizontal chamfering edge 16 is arranged between the second side wall surfaces and the bottom wall surface.
When traditional battery case 1 carries out visual inspection, only detect interior five and outer five, and automated design all adopts the arm as the detection of relative position degree regulation, can't satisfy the detection demand at first of chamfer edge, and product automation turnover cooperation programming control is also very loaded down with trivial details in addition, can't satisfy comparatively smooth face detection demand.
As shown in fig. 1 to 20, the overall battery case appearance inspection apparatus includes a first automatic inspection device 100, a battery case rotating device 2, a second automatic inspection device 200, and a sorting discharge device 3, which are sequentially disposed in the production line direction.
As shown in fig. 1 to 3, the first automatic detection device 100 includes at least one first automatic detection line 4, the first automatic detection line 4 includes a battery case step-by-step conveying device 41 and a first appearance detection group 42, the battery case step-by-step conveying device 41 includes a switching position conveying mechanism 411, a loading station 412, and at least one support position 413 disposed between the loading station and the battery case rotating device, the switching position conveying mechanism 411 includes a plurality of battery case pickup portions 4110 for sequentially performing turnover switching positions of the battery case between the loading station, the support position, and the battery case rotating device, a battery case support seat for supporting a bottom wall surface is disposed on the support position 413, the battery case support seat is provided with a 180 ° rotation displacement, the first appearance detection group 42 includes a bottom wall surface line scanning detection mechanism 421, a first side wall surface line scanning detection mechanism 422, and a first horizontal chamfer edge detection mechanism 423, a bottom wall surface line scanning detection mechanism, a first side wall surface line detection mechanism and a first horizontal chamfer edge detection mechanism are disposed on a path from the loading station to the support position.
As shown in fig. 1,2, and 9, the battery case rotating device 2 includes a rotation support stage 21 and a steering drive source 22 for driving the rotation support stage to perform 90 ° rotation displacement drive.
As shown in fig. 1 to 3, the second automated inspection apparatus 200 includes a second inspection conveyor 5, a second appearance inspection group 6, an inner surface inspection apparatus 7, a battery case turnover mechanism 8 for turnover of a battery case between a rotary support stage and the second inspection conveyor, the second inspection conveyor 5 includes a battery case conveyor belt 51 for carrying linear conveyance of the battery case, the second appearance inspection group 6 includes a second horizontal chamfer edge inspection mechanism 61, a second side wall facial line sweep inspection mechanism 62, a first vertical chamfer edge inspection mechanism 63, a second vertical chamfer edge inspection mechanism 64, a second appearance inspection group is provided on either side of the battery case conveyor belt 5, an open end deformation inspection mechanism 52 for deformation inspection of an open end is provided on a conveyance path of the battery case conveyor belt, the inner surface inspection apparatus 7 includes a turnover mechanism 71 for turnover of an open end for turnover of a battery case on the battery case conveyor belt, an inner surface inspection mechanism 72 for turnover inspection of a battery case for detection of relative cooperation with the inner surface inspection mechanism, and a battery case receiving mechanism 74 for inspection.
The sorting discharge device 3 comprises a number of sorting conveyor lines 31, a discharge sorting conveyor mechanism 32 for battery casing turnover between the battery casing buffer device and any sorting conveyor line.
The specific implementation process and principle description:
The battery shell 1 is fed to the feeding station 412 from the front end, and the plurality of battery shell pick-up portions 4110 of the switching position conveying mechanism 411 perform switching position stepping conveying on the battery shell 1, and the battery shell 1 finally enters the battery shell rotating device after sequentially passing through the feeding station and the supporting position.
In the turnover process from the feeding station to the supporting position of the battery shell 1, the battery shell 1 is in a suspended displacement state in the detection through the bottom wall facial line scanning detection mechanism 421, the first side wall facial line scanning detection mechanism 422 and the first horizontal chamfer edge detection mechanism 423, so that the detection operation requirement of line scanning can be met.
When the battery shell 1 falls onto the supporting position, after the battery shell supporting seat rotates 180 degrees, when the battery shell rotating device runs from the supporting position to the battery shell rotating device, the corresponding position detection of each battery shell is realized through the first side wall facial line scanning detection mechanism and the first horizontal chamfer edge detection mechanism after surface replacement. The battery shell supporting seat can be provided with magnetic adsorption or negative pressure adsorption, so that the stability of the battery shell during transfer is ensured.
It should be noted that, traditional collet formula is carried, leads to first side wall face and first horizontal chamfer edge to have the detection dead angle, exists promptly and gathers circumstances such as image is incomplete, adopts the mode of step-by-step switching station, can realize unsettled displacement drive to satisfy the detection demand.
Wherein, the bottom wall facial line scanning detection mechanism 421 and the first side wall facial line scanning detection mechanism 422 realize the line scanning detection of opposite surfaces, and the first horizontal chamfer edge realizes the line scanning or fixed point full image acquisition detection.
Finally, when the battery case is rotated, the rotation support stage 21 is driven by the steering drive source 22 to rotate by 90 °, so that the orientation of the second side wall surface is adjusted in a steering manner. The rotary support carrier 21 may be provided with magnetic attraction or negative pressure attraction to ensure stability after the battery case is mounted.
When the second automatic detection device 200 operates, the battery shell turnover mechanism 8 picks up the battery shell on the battery shell rotating device and conveys the battery shell to the battery shell conveying belt 51, and the battery shell operates along with the battery shell conveying belt 51, and realizes detection of respective mechanisms through the open end deformation detection mechanism 52, the second horizontal chamfer edge detection mechanism 61, the second side wall facial line scanning detection mechanism 62, the first vertical chamfer edge detection mechanism 63 and the second vertical chamfer edge detection mechanism 64.
The battery case is disposed on the battery case conveyor belt 51, and the second horizontal chamfer edge of the battery case is exposed with respect to the battery case conveyor belt 51. So satisfy the detection demand of second lateral wall face and second horizontal chamfer edge, can not cause any to block.
The structure of the battery case conveyor belt 51 is described, which adopts three circulation belts with parallel intervals, wherein the circulation belts are provided with protrusions which are uniformly arranged at intervals, the positions of the protrusions on the circulation belts on two sides are in one-to-one correspondence, the protrusions on the middle circulation belt are staggered with the positions of the protrusions on any side circulation belt, and a limit space for the battery case is formed between the two corresponding protrusions on the two side circulation belts and the protrusions on the middle circulation belt.
The open end deformation detecting mechanism 52 is shown in fig. 15, and performs deformation detection by using an image capturing end and an annular light supplementing source. The second horizontal chamfer edge detection mechanism 61, the second side wall facial line scanning detection mechanism 62, the first vertical chamfer edge detection mechanism 63 and the second vertical chamfer edge detection mechanism 64 are similar to the first horizontal chamfer edge detection mechanism and the first side wall facial line scanning detection mechanism, except that the first vertical chamfer edge detection mechanism 63 and the second vertical chamfer edge detection mechanism 64 can be carried in a common carrier as shown in fig. 14, and the first vertical chamfer edge detection mechanism 63 and the second vertical chamfer edge detection mechanism 64 are provided with pivot deflection displacement in the horizontal direction and the vertical direction, so that the detection requirements of battery shells with different specifications are met for relative position adjustment.
When the detection of the whole outer surface is completed, the inner surface detection of the battery shell is performed through the inner surface detection device 7, specifically, the turnover mechanism 71 picks up the battery shell on the battery shell conveying belt 51 and performs butt joint with the detection displacement mechanical arm 73 after being turned over, after the detection displacement mechanical arm 73 picks up the bottom wall surface of the battery shell, the detection displacement mechanical arm 73 is displaced to the position of the open end facing the inner surface detection mechanism 72, at this time, the detection displacement mechanical arm 73 performs position adjustment relative to the inner surface detection mechanism 72 so as to meet the detection alignment of the switching positions of the inner five surfaces of the detection mechanical arm, the inner five surfaces of the detection mechanism are detected, and the detection is completed, and the detection displacement mechanical arm is placed on the battery shell buffer device 74.
The discharge sorting conveyor 32 transfers the battery cases on the battery case buffer 74 to the sorting conveyor line 31 corresponding to the detection result according to the detection sorting.
In a specific embodiment, a plurality of auxiliary supporting positions 414 are respectively arranged between the feeding station 412 and the supporting position 413 and between the supporting position 413 and the battery shell rotating device 2, and each auxiliary supporting position comprises an auxiliary battery shell supporting seat for supporting the bottom wall surface. The auxiliary battery shell supporting seat can be provided with magnetic adsorption or negative pressure adsorption.
The image acquisition machine of the first side wall line scanning detection mechanism and the first horizontal chamfer edge detection mechanism is higher than the supporting surface of the auxiliary battery shell supporting seat.
The switching bit transfer mechanism 411 includes a switching bit carrier 4111 having a lifting displacement and a horizontal displacement, and a plurality of battery case pickup portions are provided on the switching bit carrier, and the battery case pickup portions 4110 include a pickup extension body extending from an open end to a bottom wall surface, and a negative pressure pickup end provided on the pickup extension body.
Specifically, for the purpose of stabilizing the suspended conveying path of the battery casing, the auxiliary supporting position 414 is adopted, so that the intermediate station switching transfer suspension can be realized, and the arrangement of the detection mechanism is facilitated.
The switching position conveying mechanism 411 is implemented by adopting a switching position carrier 4111, which generally does not adopt a swing arm type switching station structure, so that linear displacement matching is required for the wire scanning, and the design is thus performed.
In a specific embodiment, the first automation line 100 includes two first automation lines 4 arranged in mirror symmetry, and the first appearance groups of the two first automation lines are arranged opposite to each other.
The discharge end of any first automatic detection line is provided with a battery shell rotating device.
The battery case turnover mechanism 8 includes two transfer pick-up ends 80 provided in one-to-one correspondence with the battery case rotating devices for performing tidal turnover switching displacement between the corresponding battery case rotating devices and the second detection conveying device.
Specifically, two first automatic detection lines 4 are matched with a second detection conveying device, so that the two-in-one detection line is matched, and the detection efficiency is improved.
Because of the double-line matching, the first appearance detection group is designed on one side, the relative matching production line arrangement is convenient, and the two transfer pick-up ends 80 coordinate tidal operation, and the operation is efficient and smooth.
In a specific embodiment, the first automated inspection device comprises a backup fault-deriving conveyor belt 101 disposed between two first automated inspection lines.
Specifically, since the back-end mechanism failure or the like occurs during the actual operation of the appearance inspection, the design of the back-end failure deriving conveyor belt 101 can lead out and lead out the front-end feed when the inspection of the equipment fails, and can lead to the manual inspection line, so that the periodic stoppage is not caused.
In one embodiment, the inner surface detecting mechanism 72 includes a plurality of inner surface detecting ends 720 with pivotal displacement, the detecting displacement mechanical arm 73 is provided with a picking carrier mechanism 731, the picking carrier mechanism is provided with a plurality of bottom wall picking ends 732 corresponding to the inner surface detecting ends one by one, and the plurality of bottom wall picking ends have rotation detecting displacement linked with each other.
As shown in fig. 17, a rotation linkage mechanism 733 for performing rotation displacement linkage on a plurality of bottom wall picking ends 732 is arranged on the picking carrier mechanism 731, the requirement of aligning the plurality of bottom wall picking ends 732 for picking position degree is met through displacement adjustment of the picking carrier mechanism 731, one-to-one alignment with the inner surface detection ends 720 is performed, after alignment, rotation driving of the bottom wall picking ends 732 is realized through the rotation linkage mechanism 733, and therefore displacement adjustment of inner five-face switching positions of a battery shell is adjusted, and the detection requirement of inner five faces is met.
The turnover mechanism 71 includes a turnover part 711 and an abutting limiting part 712, the turnover part 711 and the abutting limiting part 712 are respectively disposed at two sides of the battery case conveyor belt 51 and are oppositely disposed, the abutting limiting part 712 includes a plurality of pushing abutting limiting ends 7120 with horizontal linear displacement consistent with the number of the bottom wall picking ends, the turnover part 711 includes a turnover carriage 7111 with 180 ° turnover displacement, and the turnover carriage 7111 is provided with turnover negative pressure adsorption ends 7112 which are in one-to-one correspondence with the pushing abutting limiting ends and are used for adsorbing the second side wall surface.
Specifically, when the battery case is conveyed to the position opposite to the pushing abutting limiting end 7120 by the battery case conveying belt 51, the pushing abutting limiting ends 7120 are pushed to abut and limit, the battery case is clamped with the overturning negative pressure adsorption end 7112, the stable adsorption effect of the overturning negative pressure adsorption end 7112 is met, the pushing abutting limiting ends are linearly reset after adsorption, an avoidance space is provided at the moment, and the overturning carrier 7111 achieves 180-degree overturning.
In one embodiment, the turnover part 711 includes a material carrying frame 713, on which a transfer carrying part 7130, which is arranged in a one-to-one correspondence with the turnover negative pressure adsorption ends and is used for carrying the battery case on the turnover negative pressure adsorption ends, is arranged, and a floating base with floating displacement is arranged on the transfer carrying part.
Specifically, in order to facilitate material turnover with the detection displacement mechanical arm 73, a transfer support and floating design of the material carrying frame 713 is adopted, so that the transferred material is smooth, efficient and stable.
In a specific embodiment, the battery case buffer device 74 includes a plurality of reset turnover mechanisms 741 disposed in one-to-one correspondence with the bottom wall pick-up ends and a plurality of battery case buffer seats 742 disposed in one-to-one correspondence with the reset turnover mechanisms, where the reset turnover mechanisms include reset turnover negative pressure adsorption ends with 180 ° turnover displacement for adsorbing the first side wall surfaces.
Specifically, the open end faces the top during feeding of the battery shell, and when the inner surface is detected, the direction of the open end changes, and when the rear end is processed and assembled, the open end is required to be upward, so that the design of the reset buffer is adopted, and the conveying requirement of the open end towards the top is provided.
In one embodiment, two groups of inner surface detection devices are arranged on two sides of the battery shell conveyor belt in an opposite mode, and the discharging sorting conveying mechanism comprises two sorting discharging transfer pick-up ends which are arranged in one-to-one correspondence with the battery shell buffer devices.
So make the detection more high-efficient, detection efficiency obtains showing and promotes.
In a specific embodiment, the comprehensive battery case appearance detection device is disposed at a discharge end of the battery case cleaning device 300, a feed end of the first automated detection line is provided with a feed conveying belt 43 disposed opposite to the discharge end of the battery case cleaning device, a feeding station 412 is disposed on the feed conveying belt, and a battery case positioning mechanism 430 disposed opposite to the feeding station is disposed on the feed conveying belt.
So as to meet the requirements of feeding, conveying and accurate positioning.
The detection method of the battery shell appearance comprehensive detection device is described as follows:
And the battery shell is fed to the feeding station, the open end of the battery shell faces to the top, and the second side wall of the battery shell faces to the battery shell rotating device.
Namely, meets the butt joint requirement of the battery shell with the front end cleaned and the open end facing the top.
The battery shell step-by-step switching position on the feeding station is picked up by the switching position conveying mechanism to the supporting position, the bottom wall surface line scanning detection mechanism, the first side wall surface line scanning detection mechanism and the first horizontal chamfering edge detection mechanism are used for detecting the bottom wall surface, the current first side wall surface and the first horizontal chamfering edge, the battery shell supporting seat on the supporting position is used for rotating the battery shell by 180 degrees, the battery shell step-by-step switching position on the supporting position is picked up by the switching position conveying mechanism to the battery shell rotating device, and the current first side wall surface line scanning detection mechanism and the first horizontal chamfering edge detection mechanism are used for detecting the current first side wall surface and the first horizontal chamfering edge.
The steering driving source of the battery shell rotating device drives the rotating support carrier in a 90-degree rotating way, and the first side wall surface of the battery shell on the rotating support carrier faces the conveying direction of the battery shell conveying belt.
The battery shell turnover mechanism picks up the battery shell on the rotary supporting carrier and conveys the battery shell onto the battery shell conveying belt, the battery shell moves on the battery shell conveying belt and passes through the open end deformation detection mechanism and the two second appearance detection groups, open end detection is carried out, two second side wall surface detection is carried out, four vertical chamfer edges are detected and then are opposite to the position degree of the inner surface detection mechanism, the turnover mechanism picks up the battery shell on the battery shell conveying belt and carries out 180-degree turnover so that the bottom wall surface of the battery shell faces to the top, the detection displacement mechanical arm picks up the battery shell and then carries out inner five-face displacement detection of the open end of the battery shell towards the inner surface detection mechanism, and the battery shell is placed on the battery shell caching device after detection is completed.
And the discharging classification conveying mechanism transfers the battery shell on the battery shell buffer device to the classification conveying line according to the detection result. And finishing classification output.
From the above description, it can be found that the overall detection requirement of the appearance of the battery case is satisfied. The line scanning detection of edges and surfaces can be realized, the detection result is accurate and reliable, and the classification is accurate. The operation is efficient, smooth and stable, and the detection efficiency is improved.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus/apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus/apparatus.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.
Claims (8)
1. Comprehensive battery case outward appearance check out test set, its characterized in that:
the device comprises a first automatic detection device, a battery shell rotating device, a second automatic detection device and a sorting and discharging device which are sequentially arranged along the direction of a production line;
The first automatic detection device comprises at least one first automatic detection line, the first automatic detection line comprises a battery shell stepping conveying device and a first appearance detection group, the battery shell stepping conveying device comprises a switching position conveying mechanism, a feeding station and at least one supporting position arranged between the feeding station and the battery shell rotating device, the switching position conveying mechanism comprises a plurality of battery shell pick-up parts for carrying out turnover switching positions of the battery shell, a battery shell supporting seat is arranged on the supporting position, the battery shell supporting seat is provided with 180-degree rotary displacement, and the first appearance detection group is respectively arranged on a path from the feeding station to the supporting position and a path from the supporting position to the battery shell rotating device;
The battery shell rotating device comprises a rotating support carrying platform and a steering driving source, wherein the steering driving source is used for driving the rotating support carrying platform to perform 90-degree rotating displacement driving;
The second automatic detection device comprises a second detection conveying device, a second appearance detection group, an inner surface detection device, a battery shell turnover mechanism for performing battery shell turnover between the rotary support carrier and the second detection conveying device, wherein the second detection conveying device comprises a battery shell conveying belt, any side edge of the battery shell conveying belt is provided with the second appearance detection group, and the inner surface detection device comprises a turnover mechanism for picking up the battery shell on the battery shell conveying belt to turn over at an open end, an inner surface detection mechanism for performing inner surface detection, a detection displacement mechanical arm for picking up the battery shell on the turnover mechanism to perform detection displacement in relative cooperation with the inner surface detection mechanism, and a battery shell caching device for receiving and detecting the finished battery shell;
The classifying and unloading device comprises a plurality of classifying conveying lines and an unloading classifying and conveying mechanism, wherein the unloading classifying and conveying mechanism is used for carrying out battery shell turnover between the battery shell buffering device and any classifying conveying line;
the first appearance detection group comprises a first side wall facial line scanning detection mechanism and a first horizontal chamfer edge detection mechanism;
A bottom wall facial line scanning detection mechanism is further arranged on the path from the feeding station to the supporting position;
The second appearance detection group comprises a second horizontal chamfer edge detection mechanism, a second side wall facial line scanning detection mechanism, a first vertical chamfer edge detection mechanism and a second vertical chamfer edge detection mechanism;
An open end deformation detection mechanism for detecting deformation of the open end is arranged on a conveying path of the battery shell conveying belt;
The inner surface detection mechanism comprises a plurality of inner surface detection ends with pivot adjustment displacement, a pickup carrier mechanism is arranged on the detection displacement mechanical arm, a plurality of bottom wall pickup ends which are arranged in one-to-one correspondence with the inner surface detection ends are arranged on the pickup carrier mechanism, and a plurality of bottom wall pickup ends are provided with linked rotation detection displacement;
the turnover mechanism comprises a turnover part and a butt limit part, wherein the turnover part and the butt limit part are arranged on two sides of the battery shell conveying belt and are oppositely arranged, the butt limit part comprises a plurality of pushing butt limit ends which are consistent in quantity with the bottom wall pick-up ends and are provided with horizontal linear displacement, the turnover part comprises a turnover carrier frame with 180-degree turnover displacement, and the turnover carrier frame is provided with turnover negative pressure adsorption ends which are matched with the pushing butt limit ends in a one-to-one correspondence mode and are used for adsorbing second side wall surfaces.
2. The battery case appearance comprehensive inspection apparatus according to claim 1, wherein:
A plurality of auxiliary supporting positions are respectively arranged between the feeding station and the supporting position and between the supporting position and the battery shell rotating device, and each auxiliary supporting position comprises an auxiliary battery shell supporting seat for supporting the bottom wall surface;
the image acquisition machine of the first side wall facial line scanning detection mechanism and the first horizontal chamfer edge detection mechanism is higher than the supporting surface of the auxiliary battery shell supporting seat;
the switching position conveying mechanism comprises a switching position carrying seat with lifting displacement and horizontal displacement, a plurality of battery shell picking parts are arranged on the switching position carrying seat, and each battery shell picking part comprises a picking extension body and a negative pressure picking end, wherein the picking extension body is used for extending from the open end to the bottom wall surface, and the negative pressure picking end is arranged on the picking extension body.
3. The battery case appearance comprehensive inspection apparatus according to claim 2, wherein:
The first automatic detection line comprises two first automatic detection lines which are arranged in mirror symmetry, and the first appearance detection groups of the two first automatic detection lines are arranged oppositely;
the discharge end of any first automatic detection line is provided with the battery shell rotating device;
The battery shell turnover mechanism comprises two transfer pick-up ends which are arranged in one-to-one correspondence with the battery shell rotating devices and used for carrying out tide turnover switching displacement between the corresponding battery shell rotating devices and the second detection conveying devices.
4. The comprehensive detection device for the appearance of the battery shell according to claim 1, wherein the turnover part comprises a material carrying frame, the material carrying frame is provided with a transfer carrying part which is arranged in one-to-one correspondence with the turnover negative pressure adsorption ends and is used for carrying the battery shell on the turnover negative pressure adsorption ends, and the transfer carrying part is provided with a floating base with floating displacement.
5. The battery case appearance comprehensive inspection apparatus according to claim 1, wherein:
The battery shell buffering device comprises a plurality of resetting turnover mechanisms and a plurality of battery shell buffering seats, wherein the resetting turnover mechanisms are arranged in one-to-one correspondence with the bottom wall pick-up ends;
The reset turnover mechanism comprises a reset turnover negative pressure adsorption end which is provided with 180-degree turnover displacement and used for adsorbing the first side wall surface.
6. The battery case appearance comprehensive inspection apparatus according to claim 1, wherein:
Two groups of inner surface detection devices which are oppositely arranged are arranged on two sides of the battery shell conveying belt;
The discharging classification conveying mechanism comprises two classification discharging transfer pick-up ends which are arranged in one-to-one correspondence with the battery shell buffering devices.
7. The battery case appearance comprehensive inspection apparatus according to claim 1, wherein:
The comprehensive detection equipment for the appearance of the battery shell is arranged at the discharge end of the battery shell cleaning equipment, the feed end of the first automatic detection line is provided with a feed conveying belt which is arranged opposite to the discharge end of the battery shell cleaning equipment, the feeding station is arranged on the feed conveying belt, and the feed conveying belt is provided with a battery shell positioning mechanism which is arranged opposite to the feeding station.
8. The detection method based on the battery case appearance comprehensive detection device according to any one of claims 1 to 7, characterized by comprising the steps of:
The battery shell is fed to the feeding station, the open end of the battery shell faces to the top, and the second side wall surface of the battery shell faces to the battery shell rotating device;
the battery shell step-by-step switching position on the feeding station is picked up by the switching position conveying mechanism to the supporting position, the first appearance detection groups are used for sequentially detecting, and after the battery shell supporting seat on the supporting position carries out 180-degree rotation surface switching on the battery shell, the battery shell step-by-step switching position on the supporting position is picked up by the switching position conveying mechanism to the battery shell rotating device, and the first appearance detection groups are used for sequentially detecting;
The steering driving source of the battery shell rotating device drives the rotating support carrier to rotate by 90 degrees, and the first side wall surface of the battery shell on the rotating support carrier faces the conveying direction of the battery shell conveying belt;
The battery shell turnover mechanism picks up the battery shell on the rotary supporting carrier and conveys the battery shell to a battery shell conveying belt, the battery shell moves on the battery shell conveying belt, after being detected by the two second appearance detection groups, the battery shell is opposite to the position of the inner surface detection mechanism, the turnover mechanism picks up the battery shell on the battery shell conveying belt and turns 180 degrees so that the bottom wall of the battery shell faces to the top, after the detection displacement mechanical arm picks up the battery shell, the inner five-face displacement detection of the open end of the battery shell towards the inner surface detection mechanism is carried out, and after the detection is finished, the battery shell is placed on the battery shell buffer device;
And the discharging classification conveying mechanism transfers the battery shell on the battery shell buffer device to the classification conveying line according to the detection result.
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| CN108855982A (en) * | 2018-07-25 | 2018-11-23 | 广东正业科技股份有限公司 | Full-automatic high-speed detection equipment for internal structure of battery shell |
| CN109813723A (en) * | 2019-03-26 | 2019-05-28 | 博众精工科技股份有限公司 | A kind of appearance detecting method of appearance detecting device and product to be detected |
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| KR101572064B1 (en) * | 2015-07-24 | 2015-11-25 | 정영택 | Vision inspection device for metal work surface inspection |
| CN117125554B (en) * | 2023-10-10 | 2025-10-28 | 苏州聚复科技股份有限公司 | Wire winding equipment |
| CN118174111B (en) * | 2024-05-15 | 2024-07-05 | 翊腾电子科技（昆山）有限公司 | Assembling equipment for battery connector |
| CN118663573B (en) * | 2024-08-26 | 2025-01-07 | 普思信(杭州)机械部件有限公司 | Size and appearance detection device and detection method for universal automobile parts |
| CN119304364A (en) * | 2024-12-17 | 2025-01-14 | 广东东博智能装备股份有限公司 | A welding detection equipment for steel shell battery cover |
| CN119757346A (en) * | 2025-01-24 | 2025-04-04 | 征图新视(江苏)科技股份有限公司 | Single-station multi-surface visual detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108855982A (en) * | 2018-07-25 | 2018-11-23 | 广东正业科技股份有限公司 | Full-automatic high-speed detection equipment for internal structure of battery shell |
| CN109813723A (en) * | 2019-03-26 | 2019-05-28 | 博众精工科技股份有限公司 | A kind of appearance detecting method of appearance detecting device and product to be detected |
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