CN117259232A - Soft package battery detection device and detection method thereof - Google Patents
Soft package battery detection device and detection method thereof Download PDFInfo
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- CN117259232A CN117259232A CN202311304914.2A CN202311304914A CN117259232A CN 117259232 A CN117259232 A CN 117259232A CN 202311304914 A CN202311304914 A CN 202311304914A CN 117259232 A CN117259232 A CN 117259232A
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- 238000001514 detection method Methods 0.000 title claims abstract description 188
- 230000007246 mechanism Effects 0.000 claims abstract description 86
- 230000002950 deficient Effects 0.000 claims abstract description 61
- 238000007599 discharging Methods 0.000 claims abstract description 55
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 22
- 238000013519 translation Methods 0.000 claims description 19
- 230000006698 induction Effects 0.000 claims description 6
- 241000252254 Catostomidae Species 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims 1
- 238000012546 transfer Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
- B07C5/04—Sorting according to size
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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
-
- 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
-
- 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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- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to a soft package battery detection device and a detection method thereof, wherein the device comprises a feeding conveying line, a discharging conveying line, a two-dimensional code detection assembly, a feeding conveying mechanism, a size detection assembly and a discharging conveying mechanism which are sequentially arranged between the feeding conveying line and the discharging conveying line; the feeding conveying line is used for conveying the soft package battery to the detection end of the two-dimensional code detection assembly, the two-dimensional code detection assembly is used for reading the two-dimensional code on the upper surface of the soft package battery, appearance detection and position detection are carried out on the two-dimensional code, and if one of the two-dimensional code detection assemblies does not meet the preset detection standard, the feeding conveying mechanism conveys the soft package battery to the first defective product discharge line. The full-automatic detection scheme of the soft-package battery can finish two-dimensional code detection and size detection, and automatically selects to convey products to the next detection station or to a defective product discharge line according to detection results, and is full-automatic, low in misjudgment rate and high in detection efficiency.
Description
Technical Field
The invention relates to the technical field of battery detection, in particular to a soft package battery detection device and a detection method thereof.
Background
The power battery is mainly divided into three types:
1. cylindrical battery: having a cylindrical appearance is the most common battery, for example, a No. 5 battery used in life. The positive electrode and the negative electrode are separated by a diaphragm and are soaked by electrolyte, the production process is mature, the quality is stable, and the production cost is lower.
2. Square battery: a battery with a rectangular or oblong shape. They are typically composed of a plurality of sheets, each sheet having a positive electrode and a negative electrode, separated by a separator. The energy density is higher than that of a cylindrical battery, and the structure is simpler.
3. Soft package battery: the lithium ion battery adopting the flexible package form is composed of a plurality of layers of film materials, and the internal structure mainly comprises a positive electrode, a negative electrode, a diaphragm, a positive electrode lug, a negative electrode lug, an insulating sheet, an aluminum plastic film, electrolyte and the like. Wherein the soft package material aluminum plastic film comprises three layers, namely an outer resistance layer, a barrier layer and an inner layer. It has high energy density, light weight, high safety good cycle performance, long service life, flexible design and the like.
The soft package battery is one of the main components of the electronic product, and the size of the battery is matched with the design specification of the electronic product so as to meet the assembly requirement of the product. And the size of the soft package battery is closely related to the internal structure of the battery and electrode materials, and the size deviation can cause the change of the electrode area to influence the charging and discharging performance of the battery. By detecting the size of the pouch cell, the uniformity of the cell can be ensured to provide reliable, stable charge and discharge performance. In addition, in the production process of the soft package battery, two-dimensional patterns are generally printed or stuck on the outer layer, and the main purpose of the identification mode is to provide a convenient tracking and identification means in the production, quality inspection, sales and application processes of the battery.
In the detection link of the soft package battery, the outline dimension of the soft package battery is usually obtained by adopting a manual measuring point mode, and whether the two-dimension code on the soft package battery is normal, whether the appearance of the two-dimension code is complete and whether the position of the two-dimension code is normal or not is judged, but the manual detection mode has the problems of low efficiency, higher labor cost and the like.
Disclosure of Invention
The invention aims to solve the technical problems, and provides a soft-package battery detection device and a soft-package battery detection method.
In order to solve the technical problems, the invention adopts the following technical scheme:
the soft package battery detection device comprises a feeding conveying line and a discharging conveying line, and further comprises a two-dimensional code detection assembly, a feeding conveying mechanism, a size detection assembly and a discharging conveying mechanism which are sequentially arranged between the feeding conveying line and the discharging conveying line;
the feeding conveying line is used for conveying the soft package battery to a detection end of the two-dimensional code detection assembly, the two-dimensional code detection assembly is used for reading a two-dimensional code on the upper surface of the soft package battery, appearance detection and position detection are carried out on the two-dimensional code, and if one of the two-dimensional code detection assemblies does not meet a preset detection standard, the feeding conveying mechanism conveys the soft package battery to the first defective product discharge line; if all the soft package batteries accord with the preset detection standard, the feeding and carrying mechanism carries the soft package batteries to the detection end of the size detection assembly;
the size detection assembly is used for detecting the plane size of the soft package battery after the folding edges on two sides of the soft package battery are guided, and if the soft package battery is unqualified, the soft package battery is conveyed to the second defective product discharge line by the blanking conveying mechanism; and if the soft package battery is qualified, the discharging conveying mechanism conveys the soft package battery to the discharging conveying line.
Further, the two-dimensional code detection assembly comprises a height adjusting frame, a camera assembly and a light source assembly, wherein a camera mounting frame is arranged at the moving end of the height adjusting frame, a light source mounting frame is arranged at the bottom of the camera mounting frame, the camera assembly is arranged on the camera mounting frame, a plurality of light source assemblies are arranged at the outer side of the light source mounting frame, and the output ends of the camera assembly and the light source assembly face towards the detection end.
Further, be provided with the dog that is used for restricting the soft packet battery on the detection end on the feeding conveying line, the feeding conveying line is located the other induction unit that is provided with in place of detection end.
Further, the height adjusting frame comprises a vertical frame, a first guide rail, a screw rod, a rotating wheel and a mounting plate, wherein the first guide rail is vertically arranged on the vertical frame, the mounting plate is arranged on a sliding block on the first guide rail, the camera mounting frame is arranged on the mounting plate, the screw rod is vertically arranged on the vertical frame through a bearing seat, a nut which is matched with the screw rod is arranged on the mounting plate, the rotating wheel is arranged at one end of the screw rod, an anti-rotation fixing piece which is matched with the screw rod is arranged on the bearing seat, and a guide rail clamp which is matched with the first guide rail is arranged on the mounting plate.
Further, the size detection assembly comprises a transparent platform, an alignment tool, a line scanning camera, a line scanning light source and a first translation mechanism, wherein the line scanning camera and the line scanning light source are arranged at the moving end of the first translation mechanism and are respectively positioned above and below the transparent platform, and the first translation mechanism is used for driving the line scanning camera and the line scanning light source to translate along a scanning path;
the transparent platform is used for placing the soft package battery conveyed by the feeding and carrying mechanism, the alignment tool is arranged on the transparent platform and used for pushing the soft package battery to move to a scanning path of the line scanning camera.
Further, the alignment frock includes the promotion subassembly that two sets of mutual symmetries set up, the promotion subassembly includes second guide rail, promotes cylinder, spacing hydro-cylinder and leads positive push pedal, the second guide rail level sets up and is perpendicular with the scanning route, it sets up on the slider of second guide rail to lead positive push pedal, the push rod of promoting cylinder is connected with leading positive push pedal, it is used for promoting to lead positive push pedal and translates along the guide rail to make two lead positive push pedal be close to each other or keep away from, spacing hydro-cylinder is used for restricting the nearest limit distance of two positive push pedals.
Further, the quantity of feeding transfer chain, ejection of compact transfer chain, two-dimensional code detection component, size detection component, first defective products discharge line and second defective products discharge line is two, and two sets of material transfer chain, ejection of compact transfer chain, two-dimensional code detection component, size detection component, first defective products discharge line and second defective products discharge line symmetry each other.
Further, material loading transport mechanism and unloading transport mechanism all include second translation mechanism, support, sucking disc mounting bracket and lift cylinder, the support sets up on second translation mechanism's mobile terminal, the bottom of sucking disc mounting bracket is provided with a plurality of guide arms, be provided with on the support with guide arm complex linear bearing, the lift cylinder is vertical to be set up on the support, and lift cylinder's push rod is connected with the sucking disc mounting bracket, the outside of sucking disc mounting bracket is provided with two sucking disc installation department of mutual symmetry, be provided with a plurality of sucking discs on the sucking disc installation department.
Further, the first defective product discharging line and the second defective product discharging line are respectively provided with a section capable of temporarily storing a plurality of soft package batteries along the conveying direction, wherein the first defective product discharging line and the second defective product discharging line are respectively provided with a feeding sensing unit, a material moving fool-proof sensing unit and a full material sensing unit beside the first section, the second section and the last section.
A soft package battery detection method comprises the following steps:
the feeding conveying line conveys the soft package battery to a detection end of the two-dimensional code detection assembly;
the two-dimensional code detection assembly shoots an upper surface image of the soft package battery, reads a two-dimensional code in the image, detects the appearance of the two-dimensional code and the position of the two-dimensional code on the upper surface of the soft package battery, and if at least one detection result is unqualified, the feeding conveying mechanism conveys the soft package battery on the feeding conveying line to the first defective product discharge line; if the detection results are all qualified, the feeding and conveying mechanism conveys the soft package battery on the detection end of the two-dimensional code detection assembly to the detection end of the size detection assembly;
the size detection mechanism pushes the soft package battery to a scanning path and guides two folded edges parallel to the scanning path, the size detection mechanism scans the soft package battery to detect the plane size of the soft package battery, and if the size detection is unqualified, the blanking conveying mechanism conveys the soft package battery on the detection end of the size detection assembly to a first defective product discharge line; and if the size detection is qualified, the blanking conveying mechanism conveys the soft package battery on the detection end of the size detection assembly to the discharging conveying line.
After the technical scheme is adopted, compared with the prior art, the invention has the following advantages:
1. the full-automatic detection scheme of the soft-package battery can finish two-dimensional code detection and size detection, and automatically selects to convey the product to the next detection station or to a defective product discharge line according to the detection result, and the full-automatic detection scheme is automatic in whole course, low in misjudgment rate and high in detection efficiency;
2. according to the invention, a limit stop block and an in-place sensing unit are arranged on a feeding conveying line, when a product is conveyed below a camera assembly, the camera assembly automatically illuminates and shoots so as to read a two-dimensional code on the product, detect whether the appearance of the two-dimensional code is finished and whether the position of the two-dimensional code on the product is correct, convey a qualified product to a next detection station through a feeding conveying mechanism after detection, and convey a defective product to a defective product discharge line for temporary storage;
3. because the flexible soft package battery has the characteristic of flexibility, the appearance of the soft package battery can change to a certain extent in the transmission process, and the stable state is difficult to maintain.
The invention will now be described in detail with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of a feed conveyor line according to the present invention;
FIG. 3 is a schematic diagram of a three-dimensional structure of a two-dimensional code detection assembly according to the present invention;
FIG. 4 is a schematic diagram of a perspective view of another two-dimensional code detection assembly according to the present invention;
FIG. 5 is a schematic perspective view of a first/second defective product discharge line according to the present invention;
FIG. 6 is a schematic perspective view of a loading/unloading handling mechanism according to the present invention;
FIG. 7 is a schematic perspective view of another view of the loading/unloading handling mechanism of the present invention;
FIG. 8 is a schematic perspective view of a size detection assembly according to the present invention;
fig. 9 is a schematic structural diagram of an alignment tool according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a feed conveyor line; 2. a discharge conveyor line; 3. a two-dimensional code detection component; 31. a height adjusting frame; 311. a vertical frame; 312. a first guide rail; 313. a screw rod; 314. a rotating wheel; 315. a mounting plate; 316. a bearing seat; 317. an anti-rotation fixing member; 318. a rail clamp; 318. a nut; 32. a camera assembly; 33. a light source assembly; 34. a camera mounting rack; 35. a light source mounting rack; 361. a stop block; 362. an in-place sensing unit; 4a, a feeding and carrying mechanism; 4b, a blanking conveying mechanism; 41. a second translation mechanism; 42. a bracket; 421. a linear bearing; 43. the sucker mounting rack; 431. a guide rod; 432. a sucker mounting part; 44. a lifting cylinder; 45. a suction cup; 5. a size detection assembly; 51. a transparent platform; 52. aligning the tool; 521. a second guide rail; 522. a pushing cylinder; 523. a limit oil cylinder; 524. a guide push plate; 53. a line scan camera; 54. a line scanning light source; 55. a first translation mechanism; 6a, a first defective product discharge line; 6b, a second defective product discharge line; 61. a feeding sensing unit; 62. a material moving fool-proof sensing unit; 63. and a full material sensing unit.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1, the soft package battery detection device comprises a feeding conveying line 1, a discharging conveying line 2, a two-dimensional code detection assembly 3, a feeding conveying mechanism 4a, a size detection assembly 5 and a discharging conveying mechanism 4b which are sequentially arranged between the feeding conveying line 1 and the discharging conveying line 2;
the feeding conveying line 1 is used for conveying the soft package battery to a detection end of the two-dimensional code detection assembly 3, the two-dimensional code detection assembly 3 is used for reading a two-dimensional code on the upper surface of the soft package battery, performing appearance detection and position detection on the two-dimensional code, and if one of the two-dimensional codes does not meet a preset detection standard, the feeding conveying mechanism 4a conveys the soft package battery to the first defective product discharge line 6 a; if all the soft package batteries accord with the preset detection standard, the feeding and conveying mechanism 4a conveys the soft package batteries to the detection end of the size detection assembly 5;
the size detection assembly 5 is used for detecting the plane size of the soft package battery after the folded edges on two sides of the soft package battery are guided, and if the soft package battery is unqualified, the blanking conveying mechanism 4b conveys the soft package battery to the second defective product discharging line 6 b; if the battery pack is qualified, the discharging and conveying mechanism 4b conveys the battery pack to the discharging and conveying line 2.
A soft package battery detection method comprises the following steps:
the feeding conveying line 1 conveys the soft package battery to a detection end of the two-dimensional code detection assembly 3;
the two-dimensional code detection assembly 3 shoots an upper surface image of the soft package battery, reads a two-dimensional code in the image, detects the appearance of the two-dimensional code and the position of the two-dimensional code on the upper surface of the soft package battery, and if at least one detection result is unqualified, the feeding conveying mechanism 4a conveys the soft package battery on the feeding conveying line 1 to the first defective product discharging line 6 a; if the detection results are all qualified, the feeding and conveying mechanism 4a conveys the soft package battery on the detection end of the two-dimensional code detection assembly 3 to the detection end of the size detection assembly 5;
the size detection mechanism pushes the soft package battery onto a scanning path and guides two folded edges parallel to the scanning path, the size detection mechanism scans the soft package battery to detect the plane size of the soft package battery, and if the size detection is unqualified, the blanking conveying mechanism 4b conveys the soft package battery on the detection end of the size detection assembly 5 onto the first defective product discharge line 6 a; if the size detection is qualified, the discharging and conveying mechanism 4b conveys the soft package battery on the detection end of the size detection assembly 5 to the discharging and conveying line 2.
Example 1:
as shown in fig. 1, in this embodiment, a platform for carrying a feeding conveying line 1, a discharging conveying line 2, a two-dimensional code detecting assembly 3, a feeding conveying mechanism 4a, a size detecting assembly 5, a discharging conveying mechanism, a first defective product discharging line 6a and a second defective product discharging line 6b is provided, two groups of mutually symmetrical feeding conveying lines 1, discharging conveying lines 2, two-dimensional code detecting assemblies 3, size detecting assemblies 5, first defective product discharging lines 6a and second defective product discharging lines 6b are provided on the left and right sides of the platform, and the feeding conveying mechanism 4a and the discharging conveying mechanism 4b are respectively located on the front side of the middle of the platform and the rear side of the middle of the platform.
(1) Feeding conveying line and discharging conveying line
As shown in fig. 1 and fig. 2, in this embodiment, the structures of the feeding conveying line 1 and the discharging conveying line 2 are the same, the feeding conveying line 1 and the discharging conveying line are symmetrically arranged on the front side and the rear side of the platform, a stop 361 is arranged at the tail end of the output end of the feeding conveying line 1, a in-place sensing unit 362 is arranged beside the output end (i.e. the detection end of the two-dimensional code detection assembly) of the feeding conveying line 1, the stop 361 is used for blocking the soft package battery, limiting the soft package battery to move to the farthest limit position of the output end of the feeding conveying line 1, the in-place sensing unit 362 is used for detecting whether the soft package battery exists on the output end (i.e. the detection end of the two-dimensional code detection assembly) of the feeding conveying line 1, and the in-place sensing unit 362 is a correlation photoelectric switch, and the model is E3Z-T61;
the input of feeding transfer chain 1 external transfer chain that is used for carrying soft packet of battery, and ejection of compact transfer chain 2 can external extension transfer chain.
(2) Two-dimensional code detection assembly
As shown in fig. 1, fig. 3 and fig. 4, in this embodiment, the two-dimensional code detection assembly 3 is located beside the feeding conveyor line 1, the two-dimensional code detection assembly 3 includes a height adjustment frame 31, a camera assembly 32 and a light source assembly 33, the height adjustment frame 31 includes a vertical frame 311, a first guide rail 312, a lead screw 313, a rotating wheel 314 and a mounting plate 315, the vertical frame 311 is disposed on a platform and located beside the feeding conveyor line, two vertical first guide rails 312 are disposed on the vertical frame 311, the mounting plate 315 is fixed on the sliding blocks on the two first guide rails 312, a bearing seat 316 is disposed at the top of the vertical frame 311, the lead screw 313 is vertically disposed and movably connected with the bearing seat 316, a nut 318 matched with the lead screw 313 is disposed on the mounting plate 315, a rotating wheel 314 is disposed at the top of the lead screw 313, a camera mounting frame 34 is disposed on the mounting plate 315, the camera assembly 32 is fixed on the camera mounting frame 34, the light source mounting frame 35 is disposed at the bottom of the camera mounting frame 34, four groups of light source assemblies 33 are arranged on the outer side of the camera assembly 32, and the four groups of light source assemblies 33 can be rotated by rotating 314 to drive the rotating wheel 313 when in use, so as to drive the lead screw assembly 313 to move along the lead screw assembly 315 and the upper and lower side of the lead screw assembly 32.
Further, an anti-rotation fixing member 317 engaged with the screw rod 313 is provided on the bearing seat 316, a rail clamp 318 engaged with the first rail 312 is provided on the mounting plate 315, after the height adjustment of the camera assembly 32 and the light source assembly 33 is completed, the screw rod 313 is limited to rotate by the anti-rotation fixing member 317, and the mounting plate 315 is limited to move up and down along the first rail 312 by the rail furniture 318.
(3) Size detection assembly
As shown in fig. 1, 8 and 9, in this embodiment, the size detection assembly 5 is located between the two-dimensional code detection assembly 3 and the discharge conveyor line 2, the size detection assembly 5 includes a transparent platform 51, an alignment tool 52, a line scanning camera 53, a line scanning light source 54 and a first translation mechanism 55, the first translation mechanism 55 and the transparent platform 51 are both disposed on the platform, the line scanning camera 53 and the line scanning light source 54 are both disposed on the moving end of the first translation mechanism 55 and are respectively located right above and right below the transparent platform 51, the first translation mechanism 55 is used for driving the line scanning camera 53 and the line scanning light source 54 to translate along a scanning path, and the scanning path is parallel to a guiding edge of the soft package battery;
the alignment tool 52 comprises two groups of pushing components which are symmetrically arranged, the two groups of alignment tools 52 are arranged on the left side and the right side of the transparent platform 51, the pushing components comprise a second guide rail 521, a pushing cylinder 522, a limiting cylinder 523 and a guide pushing plate 524, the second guide rail 521 is horizontally arranged and is perpendicular to a scanning path, the guide pushing plate 524 is arranged on a sliding block of the second guide rail 521, a push rod of the pushing cylinder 522 is connected with the guide pushing plate 524, the pushing cylinder 522 is used for pushing the guide pushing plate 524 to translate along the guide rail so that the two guide pushing plates 524 are close to or far away from each other, and the limiting cylinder 523 is used for limiting the nearest limiting distance of the two guide pushing plates 524;
the transparent platform 51 is also provided with a correlation photoelectric switch for detecting whether a product exists on the transparent platform 51, and the model is EX-11AP.
(4) Feeding and conveying mechanism and discharging and conveying mechanism
As shown in fig. 6 and 7, the feeding and carrying mechanism 4a is disposed at the front side of the middle part of the platform and between the size detection assembly 5 and the two-dimensional code detection assembly 2 (feeding and conveying line 1), and the discharging and carrying mechanism 4b is disposed at the rear side of the middle part of the platform and between the size detection assembly 5 and the discharging and conveying line 2;
the feeding and carrying mechanism 4a and the discharging and carrying mechanism 4b comprise a second translation mechanism 41, a bracket 42, a sucker mounting bracket 43 and a lifting cylinder 44, wherein the bracket 42 is arranged on the moving end of the second translation mechanism 41, four vertical guide rods 431 are arranged at the bottom of the sucker mounting bracket 43, the four guide rods 431 are respectively positioned on four vertexes of a rectangle, four linear bearings 421 matched with the guide rods 431 are arranged on the bracket 42, limit stops are arranged at the bottoms of the two guide rods 431 positioned at the front side, limit stops are arranged at the bottoms of the two guide rods 431 positioned at the rear side and are used for preventing the guide rods 431 from being separated from the linear bearings 421, the lifting cylinder 44 is vertically arranged on the bracket 42, a push rod of the lifting cylinder 44 is connected with the sucker mounting bracket 43, two sucker mounting parts 432 which are symmetrical to each other are arranged at the left side and the right side of the sucker mounting bracket 43, four suckers 45 are arranged on the sucker mounting parts 432, and the suckers have a buffering function;
the conveying flow of the feeding conveying mechanism 4a and the discharging conveying mechanism 4 b:
the second translation mechanism 41 drives the bracket 42 and the sucker mounting frame 43 to move to the side of the first position (for example, the side of the output end of the feeding conveying line 1, the side of the transparent platform 51 and the like), and after the first position is reached, if the soft package battery at the first position is to be obtained, the lifting cylinder 44 drives the sucker mounting frame 43 to descend until the sucker 45 contacts with the upper surface of the soft package battery and adsorbs the soft package battery; if the soft package battery is transferred to the first position, the lifting cylinder 44 drives the sucker mounting frame 43 to descend until the lower surface of the soft package battery is spaced from the first position by a preset distance, and the sucker 45 releases the soft package battery to transfer the soft package battery to the first position;
then the lifting cylinder 44 drives the sucker mounting frame 43 to lift and reset, the second translation mechanism 41 drives the bracket 42 and the sucker mounting frame 43 to move to the second position, and if the action at the first position is to acquire the soft package battery, the action at the second position is to transfer the soft package battery to the second position. Wherein the first location and the second location do not refer to specific locations.
(5) First defective product discharge line and second defective product discharge line
As shown in fig. 5, defective product discharge lines are arranged beside the two-dimensional code detection assembly 3 and the size detection assembly 5, when defective products are detected, the defective products are conveyed to the defective product discharge lines through a conveying mechanism, and sections capable of temporarily storing a plurality of soft package batteries are arranged on the first defective product discharge line 6a and the second defective product discharge line 6b along the conveying direction, and each section can temporarily store one product, as shown in fig. 5, in the embodiment, the defective product discharge lines can temporarily store three products (the lengths of the defective product discharge lines can be prolonged according to requirements);
the first defective product discharge line 6a and the second defective product discharge line 6b are controlled in a stepping manner, and each time a defective product is placed on the defective product discharge line, the defective product discharge line drives the product to move by a length distance of one interval;
the first defective product discharging line 6a and the second defective product discharging line 6b are respectively provided with a feeding sensing unit 61, a material moving fool-proof sensing unit 62 and a full material sensing unit 63 beside the first interval, the second interval and the last interval, the feeding sensing unit 61 is used for detecting whether a product exists in the first interval, the material moving fool-proof sensing unit 62 is used for detecting whether a product exists in the second interval, the full material sensing unit 63 is used for detecting whether a product exists in the last interval, and the models of the feeding sensing unit 61, the material moving fool-proof sensing unit 62 and the full material sensing unit 63 are E3Z-T61.
The operation flow of the first defective product discharge line 6a and the second defective product discharge line 6b is that the feeding sensing unit 61 detects whether a soft package battery exists in the first section, and if so, the soft package battery in the first section is driven to move to the second section;
the material moving fool-proof sensing unit 62 is used for detecting whether the soft package battery exists in the second interval after the soft package battery on the first interval moves to the second interval, and if not, sending an alarm (sending an alarm on a human-computer interface or sending an alarm in the form of an indicator light or a loudspeaker) or stopping the line;
the full charge sensing unit 63 is configured to detect whether a soft pack battery exists in the last section, and if so, send a full charge indication (which may be displayed on a human-computer interface or sent in the form of an indicator light or a speaker).
The detection flow of the invention is as follows:
the feeding conveying line 1 receives the soft package battery and drives the soft package battery to move to the output end of the feeding conveying line 1 (namely the detection end of the two-dimensional code detection assembly), the unit induction unit 361 detects whether the soft package battery exists on the detection end, and if so, two-dimensional code detection is carried out;
two-dimensional code detection: the light source assembly 33 illuminates the upper surface of the soft package battery, the camera assembly 32 shoots an image of the upper surface of the soft package battery, the image of the upper surface of the soft package battery is transmitted to the processing unit (such as a computer), the upper surface image of the soft package battery is analyzed through the processing unit, the two-dimensional code on the upper surface of the soft package battery is scanned, whether the two-dimensional code is normal or not is detected, whether the appearance of the two-dimensional code is damaged or not is detected, whether the position of the two-dimensional code on the upper surface of the soft package battery is correct or not is detected, and if one detection is failed, the two-dimensional code is conveyed to the first defective product discharge line 6a by the feeding conveying mechanism 4 a; if the detection results are all qualified, the material loading and conveying mechanism 4a conveys the material to the transparent platform 51 to detect the size;
size detection: the opposite-ray photoelectric switch on the transparent platform detects whether a soft package battery exists on the transparent platform, if yes, detection is started, the pushing cylinder 522 pushes the guide pushing plates 524 on two sides of the transparent platform 51 to be close to each other so as to push the soft package battery to the scanning path of the line scanning camera 53 and guide the folded edges of the soft package battery, then the guide pushing plates 524 are reset, the first translation mechanism 55 drives the line scanning camera 53 and the line scanning light source 54 to move along the scanning path so as to shoot a scanning image, the scanning image is transmitted to the processing unit, the processing unit analyzes the scanning image, whether the size of the soft package battery is qualified or not is detected according to the scanning image, and if the size is unqualified, the soft package battery is conveyed to the second defective product discharging line 6b by the blanking conveying mechanism 6 b; if the size is qualified, the material is conveyed to the material discharging conveying line 2 by the material discharging conveying mechanism 6 b;
the above procedure was repeated for continuous detection.
The foregoing is illustrative of the best mode of carrying out the invention, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the invention is defined by the claims, and any equivalent transformation based on the technical teaching of the invention is also within the protection scope of the invention.
Claims (10)
1. The soft package battery detection device comprises a feeding conveying line (1) and a discharging conveying line (2), and is characterized by further comprising a two-dimensional code detection assembly (3), a feeding conveying mechanism (4 a), a size detection assembly (5) and a discharging conveying mechanism (4 b) which are sequentially arranged between the feeding conveying line (1) and the discharging conveying line (2);
the feeding conveying line (1) is used for conveying the soft package battery to a detection end of the two-dimensional code detection assembly (3), the two-dimensional code detection assembly (3) is used for reading a two-dimensional code on the upper surface of the soft package battery, appearance detection and position detection are carried out on the two-dimensional code, and if one of the two-dimensional code is not in accordance with a preset detection standard, the feeding conveying mechanism (4 a) conveys the soft package battery to the first defective product discharge line (6 a); if all the soft package batteries accord with the preset detection standard, the feeding and conveying mechanism (4 a) conveys the soft package batteries to the detection end of the size detection assembly (5);
the size detection assembly (5) is used for detecting the plane size of the soft package battery after the folding edges on two sides of the soft package battery are guided, and if the soft package battery is unqualified, the blanking conveying mechanism (4 b) conveys the soft package battery to the second defective product discharging line (6 b); and if the soft package battery is qualified, the discharging conveying mechanism (4 b) conveys the soft package battery to the discharging conveying line (2).
2. The soft package battery detection device according to claim 1, wherein the two-dimensional code detection assembly (3) comprises a height adjustment frame (31), a camera assembly (32) and a light source assembly (33), a camera mounting frame (34) is arranged at the moving end of the height adjustment frame (31), a light source mounting frame (35) is arranged at the bottom of the camera mounting frame (34), the camera assembly (32) is arranged on the camera mounting frame (34), a plurality of light source assemblies (33) are arranged at the outer side of the light source mounting frame (35) where the bottom of the light source mounting frame (35) is located, and the output ends of the camera assembly (32) and the light source assembly (33) face the detection end.
3. The soft package battery detection device according to claim 2, wherein a stop block (361) for limiting the soft package battery on the detection end is arranged on the feeding conveying line (1), and an in-place induction unit (362) is arranged beside the detection end of the feeding conveying line (1).
4. The soft pack battery detection device according to claim 2, wherein the height adjusting frame (31) comprises a vertical frame (311), a first guide rail (312), a screw (313), a rotating wheel (314) and a mounting plate (315), the first guide rail (312) is vertically arranged on the vertical frame (311), the mounting plate (315) is arranged on a sliding block on the first guide rail (312), the camera mounting frame (34) is arranged on the mounting plate (315), the screw (313) is vertically arranged on the vertical frame (311) through a bearing seat (316), a nut (318) matched with the screw (313) is arranged on the mounting plate (315), the rotating wheel (314) is arranged at one end of the screw (313), an anti-rotation fixing piece (317) matched with the screw (313) is arranged on the bearing seat (316), and a guide rail clamp (318) matched with the first guide rail (312) is arranged on the mounting plate (315).
5. The flexible battery detection device according to claim 1, wherein the size detection assembly (5) comprises a transparent platform (51), an alignment tool (52), a line scanning camera (53), a line scanning light source (54) and a first translation mechanism (55), wherein the line scanning camera (53) and the line scanning light source (54) are arranged on the moving end of the first translation mechanism (55) and are respectively positioned above and below the transparent platform (51), and the first translation mechanism (55) is used for driving the line scanning camera (53) and the line scanning light source (54) to translate along a scanning path;
the transparent platform (51) is used for placing the soft package battery conveyed by the feeding and carrying mechanism (4 a), the alignment tool (52) is arranged on the transparent platform (51), and the alignment tool (52) is used for pushing the soft package battery to move to a scanning path of the line scanning camera (53).
6. The soft package battery detection device according to claim 5, wherein the alignment fixture (52) comprises two groups of pushing components which are symmetrically arranged, the pushing components comprise a second guide rail (521), a pushing cylinder (522), a limiting cylinder (523) and a guiding pushing plate (524), the second guide rail (521) is horizontally arranged and perpendicular to the scanning path, the guiding pushing plate (524) is arranged on a sliding block of the second guide rail (521), a pushing rod of the pushing cylinder (522) is connected with the guiding pushing plate (524), the pushing cylinder (522) is used for pushing the guiding pushing plate (524) to translate along the guide rail so as to enable the two guiding pushing plates (524) to be close to or far away from each other, and the limiting cylinder (523) is used for limiting the nearest limiting distance of the two guiding pushing plates (524).
7. The soft package battery detection device according to claim 1, wherein the number of the feeding conveying line (1), the discharging conveying line (2), the two-dimensional code detection assembly (3), the size detection assembly (5), the first defective product discharge line (6 a) and the second defective product discharge line (6 b) is two, and the two groups of the feeding conveying line, the discharging conveying line (2), the two-dimensional code detection assembly (3), the size detection assembly (5), the first defective product discharge line (6 a) and the second defective product discharge line (6 b) are mutually symmetrical.
8. The soft pack battery detection device according to claim 7, wherein the feeding and carrying mechanism (4 a) and the discharging and carrying mechanism (4 b) each comprise a second translating mechanism (41), a bracket (42), a sucker mounting frame (43) and a lifting cylinder (44), the bracket (42) is arranged at the moving end of the second translating mechanism (41), a plurality of guide rods (431) are arranged at the bottom of the sucker mounting frame (43), linear bearings (421) matched with the guide rods (431) are arranged on the bracket (42), the lifting cylinder (44) is vertically arranged on the bracket (42), a push rod of the lifting cylinder (44) is connected with the sucker mounting frame (43), two sucker mounting portions (432) symmetrical to each other are arranged on the outer side of the sucker mounting frame (43), and a plurality of suckers (45) are arranged on the sucker mounting portions (432).
9. The soft package battery detection device according to claim 1, wherein the first defective product discharge line (6 a) and the second defective product discharge line (6 b) are respectively provided with a section capable of temporarily storing a plurality of soft package batteries along the conveying direction, and the first defective product discharge line (6 a) and the second defective product discharge line (6 b) are respectively provided with a feeding induction unit (61), a material moving fool-proof induction unit (62) and a full material induction unit (63) beside the first section, the second section and the last section.
10. A method of testing a pouch cell according to any of claims 1-9, comprising the steps of:
the feeding conveying line (1) conveys the soft package battery to a detection end of the two-dimensional code detection assembly (3);
the two-dimensional code detection assembly (3) shoots an upper surface image of the soft package battery, reads a two-dimensional code in the image, detects the appearance of the two-dimensional code and the position of the two-dimensional code on the upper surface of the soft package battery, and if at least one detection result is unqualified, the feeding conveying mechanism (4 a) conveys the soft package battery on the feeding conveying line (1) to the first defective product discharging line (6 a); if the detection results are all qualified, the feeding and conveying mechanism (4 a) conveys the soft package battery on the detection end of the two-dimensional code detection assembly (3) to the detection end of the size detection assembly (5);
the size detection mechanism pushes the soft package battery to a scanning path and guides two folded edges parallel to the scanning path, the size detection mechanism scans the soft package battery to detect the plane size of the soft package battery, and if the size detection is unqualified, the blanking conveying mechanism (4 b) conveys the soft package battery on the detection end of the size detection assembly (5) to the first defective product discharge line (6 a); and if the size detection is qualified, the blanking conveying mechanism (4 b) conveys the soft package battery on the detection end of the size detection assembly (5) to the discharging conveying line (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202311304914.2A CN117259232A (en) | 2023-10-09 | 2023-10-09 | Soft package battery detection device and detection method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117872170A (en) * | 2024-03-11 | 2024-04-12 | 深圳比斯特自动化设备有限公司 | High-efficient lithium cell automation test system |
| CN117872170B (en) * | 2024-03-11 | 2024-05-31 | 深圳比斯特自动化设备有限公司 | High-efficient lithium cell automation test system |
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2023
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117872170A (en) * | 2024-03-11 | 2024-04-12 | 深圳比斯特自动化设备有限公司 | High-efficient lithium cell automation test system |
| CN117872170B (en) * | 2024-03-11 | 2024-05-31 | 深圳比斯特自动化设备有限公司 | High-efficient lithium cell automation test system |
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