Automatic sorting line

Abstract

The invention belongs to the technical field of electronic paper production and detection, and discloses an automatic sorting line. The device specifically comprises a feeding bin, a first visual mechanism, a feeding mechanism, a code scanning mechanism, a detection platform, a discharging mechanism and a plurality of discharging bins. A plurality of electronic paper display screens are stacked on the feeding bin, and the feeding bin lifts the electronic paper display screens to a feeding position; the first visual mechanism can identify the electronic paper display screen at the feeding position; the feeding mechanism is in signal connection with the first visual mechanism, and the feeding mechanism can move the electronic paper display screen to a code scanning position; the code scanning mechanism can scan codes of the electronic paper display screens in the code scanning positions; the detection platform can carry out photographing identification, crimping lightening and optical value detection on the electronic paper display screen according to the code scanning information; the discharging mechanism can place the electronic paper display screens in the corresponding discharging bins according to the optical value detection result. By means of the electronic paper display screen sorting method and device, automatic sorting of the electronic paper display screens can be achieved, efficiency is improved, waste is reduced, and cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic paper production and detection, and in particular to an automated sorting line. Background Art

[0002] Currently in the e-paper industry, due to the batch characteristics of e-paper membranes, after e-paper display screens are produced, the mass display consistency of all screens is relatively poor. Often the optical values ​​of the same display screen are inconsistent, leading to client complaints. Therefore, rework inspection is required, and those with inconsistent displays must be classified and processed centrally.

[0003] The usual sorting process includes: unpacking and packaging, product inspection, selection and classification, optical value testing and confirmation, re-debugging and burning of programs for non-compliant types, product batch inspection and classification, and product classification, packaging and warehousing.

[0004] At present, the sorting process involves a lot of manual labor, resulting in serious material waste, increased labor costs, low degree of automation and low efficiency. Summary of the invention

[0005] The purpose of the present invention is to provide an automated sorting line for realizing automated sorting of electronic paper display screens, thereby improving sorting efficiency, reducing material waste, and lowering labor costs.

[0006] To achieve this object, the present invention adopts the following technical solutions:

[0007] An automated sorting line for sorting electronic paper display screens, comprising:

[0008] A loading bin, in which a plurality of electronic paper display screens are stacked in a vertical direction, and the loading bin can raise the electronic paper display screens to a loading position;

[0009] A first visual mechanism, used for identifying the electronic paper display screen at the loading position;

[0010] A feeding mechanism, connected to the first visual mechanism by signal, and used to move the electronic paper display screen to a code scanning position;

[0011] A code scanning mechanism, used for scanning the electronic paper display screen in the code scanning position;

[0012] A detection platform, the detection platform is used to perform photo recognition, crimping lighting and optical value detection on the electronic paper display screen according to the scanned code information;

[0013] A material unloading mechanism and a plurality of material unloading bins, wherein the material unloading mechanism is used to place the electronic paper display screens in the corresponding material unloading bins respectively according to the results of the optical value detection.

[0014] As an optional solution for an automated sorting line, the loading bin includes a support frame and a lifting drive member, the lifting drive member is used to drive the support frame to rise and fall, and the electronic paper display screen is stacked on the support frame.

[0015] As an optional solution for an automated picking line, the first visual mechanism includes a fixed frame, a first camera arranged on the fixed frame, and a first light source, and the first light source is a surface light source.

[0016] As an optional solution for an automated sorting line, the feeding mechanism includes a first manipulator, which can absorb the electronic paper display screen and drive the electronic paper display screen to move along a horizontal plane.

[0017] As an optional solution for an automated sorting line, the automated sorting line also includes a loading transfer platform, the first robot can place the electronic paper display screen on the loading transfer platform, the scanning mechanism includes a scanning light source and a scanner, and the scanner scans the electronic paper display screen located in the loading transfer platform.

[0018] As an optional solution for an automated sorting line, the detection platform includes a visual module, and the visual module is used to take photos and identify the electrodes of the electronic paper display screen.

[0019] As an optional solution for an automated sorting line, the detection platform also includes a crimping module, which is signal-connected to the visual module and is used to align and crimp the electronic paper display screen and power it on to light it up.

[0020] As an optional solution for an automated sorting line, the detection platform further includes a detection module, which includes a line scan camera and an optical detector, and the line scan camera can move in a three-dimensional space.

[0021] As an optional solution for an automated sorting line, the unloading mechanism includes a second manipulator, and the second manipulator is used to suck and drive the electronic paper display screen to move in a three-dimensional space.

[0022] As an optional solution for an automated sorting line, the automated sorting line further includes a second visual mechanism, and the second visual mechanism is used to scan the electronic paper display screen and then move it to the corresponding unloading bin through the second robot.

[0023] Beneficial effects:

[0024] In the present invention, firstly, a whole stack of packaged electronic paper display screens is placed on a loading bin manually or by a conveying device. The electronic paper display screens are usually batch materials, and multiple electronic paper display screens are stacked and arranged. The loading bin can not only be used to place the electronic paper display screens, but also can lift the topmost electronic paper display screen to the loading position. When the electronic paper display screen reaches the loading position, the first visual mechanism recognizes the position and locates the shape of the electronic paper display screen at the loading position, and then transmits the positioning recognition information to the loading mechanism. The loading mechanism can accurately move the electronic paper display screen to the scanning position. In fact, each electronic paper display screen has a one-dimensional or two-dimensional code with its own information. The scanning mechanism can scan the electronic paper display screen transported by the loading mechanism to the scanning position, and transmit the corresponding scanning information to the detection platform. The electronic paper display screen is automatically photographed and identified, automatically crimped and lit, and automatically optical value detected in sequence by the detection platform. The unloading mechanism sorts the electronic paper display screen into the corresponding unloading bin according to the results of the optical value detection corresponding to different electronic paper display screens. The entire sorting process includes automatic loading, automatic identification, automatic positioning, automatic detection, automatic unloading and other processes, which fully realizes the automated sorting of electronic paper display screens, improves sorting efficiency, reduces material waste, and reduces labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of an automated sorting line provided by an embodiment of the present invention;

[0026] Figure 2 It is a structural schematic diagram of a loading bin provided in an embodiment of the present invention;

[0027] Figure 3 is a structural schematic diagram of a first visual mechanism provided by an embodiment of the present invention;

[0028] Figure 4 It is a structural schematic diagram of a feeding mechanism provided by an embodiment of the present invention;

[0029] Figure 5 It is a structural schematic diagram of a loading transfer platform provided by an embodiment of the present invention;

[0030] Figure 6 It is a structural schematic diagram of a code scanning mechanism provided by an embodiment of the present invention;

[0031] Figure 7 is a schematic structural diagram of a linear motor manipulator provided by an embodiment of the present invention;

[0032] Figure 8 is a schematic diagram of the structure of a detection platform provided by an embodiment of the present invention;

[0033] Fig. 9is a schematic diagram of the structure of a visual module provided by an embodiment of the present invention;

[0034] Fig.10 is a schematic structural diagram of a crimping module provided by an embodiment of the present invention;

[0035] Fig.11 is a schematic diagram of the structure of a detection module provided by an embodiment of the present invention;

[0036] Fig.12 It is a structural schematic diagram of a material transfer platform provided in an embodiment of the present invention;

[0037] Fig.13 is a schematic structural diagram of a second visual mechanism provided by an embodiment of the present invention;

[0038] Fig.14 It is a structural schematic diagram of a material unloading mechanism provided in an embodiment of the present invention.

[0039] In the figure:

[0040] 100. Electronic paper display screen;

[0041] 1. Loading bin; 11. Support frame; 12. Lifting drive component;

[0042] 2. first visual mechanism; 21. fixed frame; 22. first camera; 23. first light source;

[0043] 3. Loading mechanism; 31. First manipulator; 32. Loading transfer platform;

[0044] 4. code scanning mechanism; 41. code scanning light source; 42. code scanner;

[0045] 5. Detection platform; 51. Visual module; 511. Bracket; 512. Second camera; 513. Third driving member; 52. Pressing module; 521. Upper needle-film pressing assembly; 522. Lower needle-film pressing assembly; 53. Detection module; 531. Line scan camera; 532. Optical detector; 533. Strip light source;

[0046] 6. Unloading mechanism; 61. Second manipulator;

[0047] 7. Feeding bin;

[0048] 8. Second visual mechanism; 81. Third camera; 82. Positioning light source; 83. Fixing plate;

[0049] 91. Linear motor manipulator; 92. Material transfer platform. DETAILED DESCRIPTION

[0050] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0051] It is only used to explain the present invention, but not to limit the present invention. It should also be noted that, for the convenience of description, only the parts related to the present invention are shown in the drawings, but not all structures.

[0052] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0053] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0054] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0055] Please refer to the attached Figure 1, this embodiment relates to an automated sorting line for sorting electronic paper display screens 100, specifically comprising a loading bin 1, a first visual mechanism 2, a loading mechanism 3, a code scanning mechanism 4, a detection platform 5, a unloading mechanism 6 and a plurality of unloading bins 7. Among them, a plurality of electronic paper display screens 100 are stacked vertically in the loading bin 1, and the loading bin 1 can raise the electronic paper display screens 100 to the loading position; the first visual mechanism 2 is used to identify the electronic paper display screens 100 at the loading position; the loading mechanism 3 is connected to the first visual mechanism 2 by signal, and the loading mechanism 3 is used to move the electronic paper display screens 100 to the code scanning position; the code scanning mechanism 4 is used to scan the electronic paper display screens 100 in the code scanning position; the detection platform 5 is used to take pictures, identify, press and light up the electronic paper display screens 100 according to the code scanning information; the unloading mechanism 6 is used to place the electronic paper display screens 100 in the corresponding unloading bins 7 according to the results of the optical value detection.

[0056] Specifically, firstly, a whole stack of packaged electronic paper display screens 100 are placed on the loading bin 1 manually or by conveying equipment. The electronic paper display screens 100 are usually batch incoming materials, and multiple electronic paper display screens 100 are stacked and arranged. The loading bin 1 can not only be used to place the electronic paper display screens 100, but also to lift the topmost electronic paper display screen 100 to the loading position. When the electronic paper display screen 100 reaches the loading position, the first visual mechanism 2 recognizes the position and locates the shape of the electronic paper display screen 100 at the loading position, and then transmits the positioning recognition information to the loading mechanism 3, which can accurately The electronic paper display screen 100 is moved to the scanning position. In fact, each electronic paper display screen 100 has a one-dimensional or two-dimensional code of its own information. The scanning mechanism 4 can scan the electronic paper display screen 100 transported to the scanning position by the feeding mechanism 3, and transmit the corresponding scanning information to the detection platform 5. The detection platform 5 performs automatic photography recognition, automatic crimping and lighting, and automatic optical value detection on the electronic paper display screen 100 in turn. The unloading mechanism 6 picks the electronic paper display screen 100 into the corresponding unloading bin 7 according to the results of the optical value detection corresponding to different electronic paper display screens 100.

[0057] In this embodiment, the entire sorting process includes automatic loading, automatic identification, automatic positioning, automatic detection, automatic unloading and other processes, which fully realizes the automated sorting of the electronic paper display screen 100, improves sorting efficiency, reduces material waste, and reduces labor costs.

[0058] Please refer to the attached Figure 2 Optionally, the loading bin 1 includes a support frame 11 and a lifting drive 12 , the lifting drive 12 is used to drive the support frame 11 to rise and fall, and the electronic paper display screen 100 is stacked on the support frame 11 .

[0059] In this embodiment, the loading bin 1 includes a support frame 11, which is a frame-type structure composed of multiple rods and plates. A whole stack of electronic paper display screens 100 are stacked on the support frame 11. The lifting drive member 12 can be a linear motor or a linear cylinder, which is used to drive the electronic paper display screen 100 to move in a vertical direction and can transport the electronic paper display screen 100 to the loading position. The loading bin 1 has a simple structure, easy operation, and a relatively small overall volume.

[0060] Of course, a transmission mechanism can also be connected between the lifting drive member 12 and the support frame 11. For example, an intermediate transmission form such as a chain or a worm gear is used. Technicians in this field can select the intermediate transmission form in a targeted manner according to the overall structure and layout of the entire loading bin 1.

[0061] Please refer to the attached Figure 3 Optionally, the first visual mechanism 2 includes a fixing frame 21, a first camera 22 arranged on the fixing frame 21, and a first light source 23, and the first light source 23 is a surface light source.

[0062] In this embodiment, the fixing frame 21 is a rod, and a mounting end is provided on the top of the fixing frame 21 for mounting a first camera 22. The first camera 22 integrates a CCD (Charge-coupled Device) for improving resolution and sensitivity. The electronic paper display screen 100 at the upper material level is photographed and identified through the first camera 22, and a first light source 23 is provided below the first camera 22. The first light source 23 is a surface light source to ensure that all areas of the entire electronic paper display screen 100 are illuminated, thereby ensuring the consistency and accuracy of the photographing and identification results of the electronic paper display screen 100.

[0063] Please refer to the attached Figure 4 Optionally, the feeding mechanism 3 includes a first manipulator 31, and the first manipulator 31 can absorb the electronic paper display screen 100 and drive the electronic paper display screen 100 to move along a horizontal plane.

[0064] In this embodiment, the first manipulator 31 can move its position under the joint action of multiple first driving members to ensure an effective moving range and moving direction. For example, two groups of linear motors or linear cylinders can respectively drive the first manipulator 31 to move in two dimensions of the horizontal plane. A vacuum suction cup is provided on the working end of the first manipulator 31 for adsorbing the electronic paper display screen 100, thereby driving the electronic paper display screen 100 to move.

[0065] Please refer to the attached Figure 5 -Attached Figure 7Furthermore, the automated sorting line also includes a loading transfer platform 32, the first manipulator 31 can place the electronic paper display screen 100 on the loading transfer platform 32, the code scanning mechanism 4 includes a code scanning light source 41 and a code scanner 42, and the code scanner 42 scans the electronic paper display screen 100 located in the loading transfer platform 32.

[0066] In this embodiment, before detecting the electronic paper display screen 100, it is necessary to identify the information of each electronic paper display screen 100. The first robot 31 absorbs the electronic paper display screen 100 and places it on the loading transfer platform 32. The one-dimensional or two-dimensional coding information of the electronic paper display screen 100 is scanned and identified by the scanner 42, and the relevant scanned information is transmitted to the processing system. In order to improve the scanning efficiency, the scanning area can be illuminated by the scanning light source 41.

[0067] In this embodiment, the loading transfer platform 32 can drive the electronic paper display screen 100 to move under the action of the second driving member. The position of the barcode scanner 42 can also be adjusted manually, specifically by using a slide table and a slide bar to adjust the position. After the slide table moves to a preset position, the slide table is directly locked on the slide bar to fix the barcode scanner 42.

[0068] In order to adapt to the layout of multiple mechanisms on the entire picking line, and to avoid the first manipulator 31 from moving too far, the structure of the first manipulator 31 is complicated. This embodiment is further provided with a linear motor manipulator 91, through which the electronic paper display screen 100 located on the loading transfer platform 32 can be directly transported to the detection platform 5.

[0069] Please refer to the attached Figure 8 and attached Fig. 9 Optionally, the detection platform 5 includes a visual module 51, and the visual module 51 is used to take pictures and identify the electrodes of the electronic paper display screen 100.

[0070] In this embodiment, the visual module 51 includes a bracket 511, a second camera 512 and a third driving member 513. The bracket 511 is a gantry structure. The second camera 512 can move along the crossbeam of the bracket 511 under the driving action of the third driving member 513. The second camera 512 also integrates a CCD (Charge-coupled Device), and the third driving member 513 can be a driving motor or a driving cylinder. The second camera 512 can be used to photograph and identify the electrodes of the electronic paper display screen 100, so as to obtain the exact position of the electrodes of the electronic paper display screen 100, in preparation for crimping and lighting the electronic paper display screen 100; when the electrodes of the electronic paper display screen 100 are located at the exact position, they can be directly crimped and powered on through the crimping module 52. If the electrodes of the electronic paper display screen 100 are not located at the exact position, the detection platform 5 is also provided with a correction mechanism for aligning the electronic paper display screen 100. The correction mechanism can also be in the form of a conventional manipulator, which aligns the electronic paper display screen 100 by sucking or clamping it.

[0071] Please refer to the attached Figure 8 and attached Fig.10 Optionally, the detection platform 5 further includes a crimping module 52, which is signal-connected to the visual module 51, and the crimping module 52 is used to align and crimp the electronic paper display screen 100 and power it on to light it up.

[0072] In this embodiment, the crimping module 52 includes a plurality of upper needle film crimping components 521 and a plurality of lower needle film crimping components 522 corresponding to the upper needle film crimping components 521. The upper needle film crimping components 521 and the lower needle film crimping components 522 are crimped to each other according to the accurate position of the electrodes of the electronic paper display screen 100, so as to crimp the crimping electrodes of the electronic paper display screen 100. After power is turned on, the electronic paper display screen 100 can be lit, thereby preparing for subsequent detection. The upper needle film crimping components 521 and the lower needle film crimping components 522 are similar to the existing conventional crimping device structure, and the structure and distance of the upper needle film crimping components 521 and the lower needle film crimping components 522 are not further described in this embodiment.

[0073] Please refer to the attached Figure 8 , Attachment Fig.11 and attached Fig.12 Furthermore, the detection platform 5 also includes a detection module 53, and the detection module 53 includes a line scan camera 531 and an optical detector 532. The line scan camera 531 can move in a three-dimensional space.

[0074] The line scan camera 531 can move along three orthogonal directions in a spatial rectangular coordinate system, and is used to scan the electronic paper display screen 100 pixel by pixel after it is lit. The strip light source 533 is used to supplement the light source to ensure the clarity of the shooting. The optical detector 532 is a spectrophotometer, which is used to measure the optical values ​​of the picture. According to the optical values ​​obtained by different electronic paper display screens 100, the corresponding unloading bin 7 is recorded. At the same time, the electronic paper display screen 100 that has been inspected is moved to the unloading transfer platform 92.

[0075] Please refer to the attached Fig.13 and attached Fig.14 Optionally, the unloading mechanism 6 includes a second manipulator 61, and the second manipulator 61 is used to absorb and drive the electronic paper display screen 100 to move in a three-dimensional space.

[0076] In this embodiment, the second manipulator 61 has a substantially identical structure to the first manipulator 31 , and uses a suction cup to absorb the electronic paper display screen 100 . The second manipulator 61 can move along three orthogonal directions in a spatial rectangular coordinate system, and is driven by multiple motors or cylinders.

[0077] Optionally, the automated sorting line further includes a second visual mechanism 8 , which is used to scan the electronic paper display screen 100 and then move it to a corresponding unloading bin 7 through a second robot 61 .

[0078] In this embodiment, the second manipulator 61 can move the electronic paper display screen 100 that has been inspected and located on the unloading transfer platform 92 into the recognition area of ​​the second visual mechanism 8, and the second visual mechanism 8 includes a third camera 81, a positioning light source 82 and a fixing plate 83, wherein the third camera 81 and the positioning light source 82 can be detachably connected to the fixing plate 83, and the fixing plate 83 is erected in the vertical direction. The third camera 81 integrates a CCD (Charge-coupled Device) for taking photos and scanning the electronic paper display screen 100 that has been inspected. According to the unloading bin 7 corresponding to the optical value obtained by different electronic paper display screens 100, the electronic paper display screen 100 is moved to the corresponding unloading bin 7 by the second manipulator 61, thereby completing the sorting.

[0079] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An automated sorting line for sorting electronic paper display screens (100), characterized in that: include: A loading bin (1), wherein a plurality of electronic paper display screens (100) are stacked in a vertical direction in the loading bin (1), and the loading bin (1) can lift the electronic paper display screens (100) to a loading position; A first visual mechanism (2) for identifying the electronic paper display screen (100) at the loading position; A feeding mechanism (3) connected to the first visual mechanism (2) by signal, the feeding mechanism (3) being used to move the electronic paper display screen (100) to a code scanning position; A code scanning mechanism (4) for scanning the electronic paper display screen (100) in the code scanning position; A detection platform (5), the detection platform (5) being used to perform photographic recognition, crimping lighting and optical value detection on the electronic paper display screen (100) according to the code scanning information; A material unloading mechanism (6) and a plurality of material unloading bins (7), wherein the material unloading mechanism (6) is used to place the electronic paper display screens (100) in the corresponding material unloading bins (7) according to the results of optical value detection.

2. The automated sorting line according to claim 1, characterized in that: The loading bin (1) comprises a support frame (11) and a lifting drive member (12), wherein the lifting drive member (12) is used to drive the support frame (11) to rise and fall, and the electronic paper display screen (100) is stacked on the support frame (11).

3. The automated sorting line according to claim 1, characterized in that: The first visual mechanism (2) comprises a fixing frame (21), a first camera (22) arranged on the fixing frame (21), and a first light source (23), wherein the first light source (23) is a surface light source.

4. The automated sorting line according to claim 1, characterized in that: The loading mechanism (3) comprises a first manipulator (31), and the first manipulator (31) can absorb the electronic paper display screen (100) and drive the electronic paper display screen (100) to move along a horizontal plane.

5. The automated sorting line according to claim 4, characterized in that: The automated sorting line further comprises a loading transfer platform (32), the first manipulator (31) can place the electronic paper display screen (100) on the loading transfer platform (32), the code scanning mechanism (4) comprises a code scanning light source (41) and a code scanner (42), and the code scanner (42) scans the electronic paper display screen (100) located in the loading transfer platform (32).

6. The automated sorting line according to claim 1, characterized in that: The detection platform (5) comprises a visual module (51), and the visual module (51) is used to photograph and identify the electrodes of the electronic paper display screen (100).

7. The automated sorting line according to claim 6, characterized in that: The detection platform (5) further comprises a crimping module (52), the crimping module (52) being signal-connected to the visual module (51), and the crimping module (52) being used to perform alignment crimping on the electronic paper display screen (100) and to power it on and light it up.

8. The automated sorting line according to claim 7, characterized in that: The detection platform (5) further comprises a detection module (53), wherein the detection module (53) comprises a line scan camera (531) and an optical detector (532), wherein the line scan camera (531) is movable in a three-dimensional space.

9. The automated sorting line according to claim 1, characterized in that: The unloading mechanism (6) comprises a second manipulator (61), and the second manipulator (61) is used to absorb and drive the electronic paper display screen (100) to move in a three-dimensional space.

10. The automated sorting line according to claim 9, characterized in that: The automated sorting line further comprises a second visual mechanism (8), wherein the second visual mechanism (8) is used to scan the electronic paper display screen (100) and then move it to the corresponding unloading bin (7) through the second robot (61).

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