Whole tray identification system based on machine vision

Abstract

The utility model discloses a whole tray recognition system based on machine vision, and relates to the technical field of logistics transportation. A whole tray recognition system based on machine vision comprises a base, and the base is provided with two supporting frames extending upwards; an interval used for containing a whole tray is arranged between the two supporting frames, code scanning cameras used for being electrically connected with a cargo information management system are arranged on the side walls, facing each other, of the two supporting frames, and the multiple code scanning cameras located on each supporting frame are sequentially arranged in the vertical direction; the code scanning camera is used for scanning bar codes or two-dimensional codes and transmitting collected code scanning information to the cargo information management system. After the whole tray is moved to the position between the two supporting frames, all the code scanning cameras located on the two sides of the whole tray cooperate with each other so as to synchronously and automatically scan all bar codes or two-dimensional codes located on the corresponding side of the whole tray, operation is easy and fast, and code scanning efficiency can be improved.

Description

Technical Field

[0001] The present application relates to the field of logistics and transportation technology, and in particular to a whole pallet recognition system based on machine vision. Background Art

[0002] In logistics transportation, in order to facilitate the transfer of goods, goods are usually stacked on pallets; by moving the pallet with a forklift, the goods stacked on the pallet can be transferred to the designated location at one time. Among them, if the quantity and stacking method of goods stacked on each pallet of the same batch are the same, the pallet is usually used as the unit of measurement, and the pallet and all the goods on the corresponding pallet are called a whole pallet.

[0003] At present, in the field of logistics and transportation, barcodes or QR codes are generally required to be posted on the outer surface of goods to record the name, production date, origin and other information of the goods. When the goods are stacked, the side with the barcode or QR code needs to be exposed for subsequent scanning operations, so that the relevant information of the goods can be entered into the corresponding goods information management system.

[0004] Regarding the above-mentioned related technologies, when scanning codes, it is generally necessary to use a handheld barcode scanner to scan the barcodes or QR codes of all the goods stacked on the pallet one by one. The scanning efficiency is low, so it needs to be improved. Utility Model Content

[0005] The purpose of this application is to provide a whole pallet recognition system based on machine vision to improve the efficiency of scanning codes for whole pallets.

[0006] In the first aspect, the present application provides a whole pallet recognition system based on machine vision, which adopts the following technical solutions:

[0007] A whole pallet identification system based on machine vision includes a base, wherein the base is provided with two support frames extending upward; a spacer for accommodating a whole pallet is provided between the two support frames, and side walls of the two support frames facing each other are provided with a code scanning camera for electrically connecting to a cargo information management system, and a plurality of code scanning cameras are arranged in sequence along the up and down directions on each of the support frames; the code scanning camera is used to scan a barcode or a QR code and transmit the collected scanned code information to the cargo information management system.

[0008] By adopting the above technical solution, when the whole pallet is moved to the position between the two support frames by a forklift or other transfer device, all the code scanning cameras located on both sides of the whole pallet cooperate with each other to synchronously and automatically scan all the barcodes or QR codes located on the corresponding side of the whole pallet, so that the relevant information of all the goods on the whole pallet can be quickly transmitted to the cargo management system. The operation is simple, fast and labor-saving, which is conducive to improving the efficiency of code scanning.

[0009] Optionally, a bearing platform is provided on the base between the two support frames, and the bearing platform is used to receive the entire pallet; the bearing platform is rotatably connected to the base, and the base is provided with a rotating member for driving the bearing platform to rotate.

[0010] By adopting the above technical solution, when barcodes or QR codes are pasted on both adjacent sides of the entire pallet along its own circumference, after the barcode scanning camera scans the barcode or QR code on one side of the entire pallet, the rotating part drives the carrier platform to rotate, so that the barcode scanning camera can automatically scan the barcode or QR code on the other adjacent side of the entire pallet, thereby reducing the operation of manually moving the entire pallet and further improving the scanning efficiency.

[0011] Optionally, a receiving groove for accommodating the carrying platform is provided downward on the upper surface of the base, a rotating shaft is provided between the carrying platform and the base, and the carrying platform is rotatably connected to the base via the rotating shaft; the rotating shaft is rotatably connected to the bottom wall of the receiving groove, and the carrying platform is slidably connected to the rotating shaft along the up and down directions; the base is provided with a lifting component for driving the carrying platform to slide.

[0012] By adopting the above technical solution, on the one hand, when a forklift transfers a whole pallet, the lifting assembly can move the load platform downward so that the load platform can be stored in the accommodating groove, thereby reducing the possibility of interference with the movement of the load platform forklift or the whole pallet, and at the same time facilitating the placement of the whole pallet on the upper surface of the load platform; on the other hand, the lifting assembly can drive the load platform to move upward so that the lower surface of the whole pallet can be separated from the base, thereby facilitating the load platform to drive the whole pallet to rotate, and at the same time helping to reduce the size of the upper surface of the load platform and adapt to pallets of different sizes.

[0013] Optionally, the lifting assembly includes a receiving ring plate connected to the inner wall of the accommodating groove and a matching column connected to the supporting platform, and the matching column extends downwardly away from one end of the supporting platform; the upper surface of the receiving ring plate is provided with a lower matching part, a connecting part and an upper matching part in sequence along the circumference of the receiving ring plate, the upper surface of the lower matching part is lower than the upper surface of the upper matching part, the upper surface of one end of the connecting part is connected to the upper surface of the lower matching part, and the upper surface of the other end is connected to the upper surface of the upper matching part; the upper surfaces of the lower matching part, the connecting part and the upper matching part are all used to abut against the lower end wall of the matching column; when the lower end wall of the matching column abuts against the upper surface of the upper matching part, the lower surface of the entire pallet placed on the supporting platform is in a separated state from the base.

[0014] By adopting the above technical solution, during the rotation of the bearing platform, the lower end wall of the matching column can be in contact with the upper surface of the lower matching part, the upper surface of the connecting part, and the upper surface of the upper matching part in sequence, so that the bearing platform can be automatically raised; when the bearing platform is reversed or the bearing platform continues to rotate and the lower end wall of the matching column moves to a state of contact with the upper surface of the lower matching part, the bearing platform automatically descends. The matching column and the receiving ring plate cooperate with each other, with a simple structure and stable operation, and at the same time it is conducive to reducing the number of driving sources, thereby facilitating assembly and maintenance.

[0015] Optionally, the rotating member includes a driving gear rotatably connected to the base, a driven gear connected to the supporting platform, and a driving member for driving the driving gear to rotate, and the driven gear is meshed with the driving gear.

[0016] By adopting the above technical solution, during the movement of the load-bearing platform in the up and down directions, the driven gear can always maintain a state of mutual meshing with the active gear ring, so that the driving member can drive the load-bearing platform to rotate stably; the active gear and the driven gear cooperate with each other, the structure is simple, the operation is stable, and it is beneficial to improve the stability of the rotation of the load-bearing platform.

[0017] Optionally, it also includes a handheld barcode scanner for scanning barcodes or QR codes; a barcode scanning information processing component is arranged between the barcode scanning camera and the cargo information management system, and the barcode scanning camera is electrically connected to the cargo information management system through the barcode scanning information processing component; the barcode scanning information processing component is electrically connected to a display component, and the barcode scanning information processing component is used to display the position of an unrecognized barcode or QR code through the display component; the handheld barcode scanner is used to be electrically connected to the cargo information management system.

[0018] By adopting the above technical solution, the code scanning information processing component can display the position of the unrecognized barcode or QR code through the display component, so that the operator can quickly perform manual re-scanning through a handheld scanner.

[0019] Optionally, the code scanning information processing component is electrically connected to an alarm component.

[0020] By adopting the above technical solution, when a barcode or QR code is not recognized, the alarm will issue a warning to prompt the operator to scan it again in time, which is conducive to improving the completeness and accuracy of the cargo information entry, and at the same time can further improve the scanning efficiency of the entire pallet.

[0021] Optionally, the support frame is provided with a mounting frame, the mounting frame is provided with a 3D camera for sampling the entire pallet, and the 3D camera is electrically connected to the cargo information management system; the 3D camera is used to measure the volume of the entire pallet.

[0022] By adopting the above technical solution, the 3D camera can quickly measure the volume of the entire pallet and transmit the corresponding volume data to the cargo information management system, which is conducive to further improving the comprehensiveness of cargo information management.

[0023] Optionally, a bearing platform is provided at a position of the base between the two support frames, and the bearing platform is used to receive a whole pallet; the bearing platform is provided with a weighing piece for weighing the corresponding whole pallet, and the weighing piece is used to be electrically connected to a cargo information management system.

[0024] By adopting the above technical solution, the weighing device can weigh the weight of the entire pallet and transmit the weight information to the cargo information management system, which is conducive to further improving the comprehensiveness of cargo information management.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] 1. After the whole pallet is moved to the position between the two support frames, the barcode scanning camera can synchronously and automatically scan all the barcodes or QR codes on the whole pallet. The operation is simple, fast and labor-saving, which is conducive to improving the scanning efficiency;

[0027] 2. The rotating part can drive the carrier to rotate so that the barcode scanning camera can automatically scan the barcode or QR code on each side of the whole pallet, thereby reducing the operation of manually moving the whole pallet and further improving the scanning efficiency;

[0028] 3. The weighing device can weigh the weight of the entire pallet, and the 3D camera can measure the volume of the entire pallet, which is conducive to improving the comprehensiveness of cargo information data management. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is an overall schematic diagram of a whole pallet recognition system based on machine vision in the present application.

[0030] Figure 2 It is a structural block diagram used to illustrate the working principle of this application.

[0031] Figure 3 It is a cross-sectional schematic diagram used to show the connection structure between the support platform and the base.

[0032] Figure 4 yes Figure 3 Enlarged view of part A in .

[0033] Figure 5 This is an exploded diagram showing the structure of the lifting assembly with the driven gear removed.

[0034] In the figure, 1, base; 11, support frame; 111, barcode scanning camera; 112, mounting frame; 1121, 3D camera; 12, receiving slot; 121, mounting slot; 2, control cabinet; 21, display component; 22, alarm component; 3, handheld barcode scanner; 4, barcode scanning information processing component; 5, bearing platform; 51, weighing component; 511, weighing sensor; 512, weighing plate; 52, rotating sleeve; 6, whole pallet; 7, rotating shaft; 8, rotating component; 81, driving gear; 82, driven gear; 83, driving component; 9, lifting assembly; 91, receiving ring plate; 911, lower matching part; 912, connecting part; 913, upper matching part; 92, matching column; 921, rotating ball. DETAILED DESCRIPTION

[0035] The following is combined with Figure 1 -Attached Figure 5 , further details of this application are given.

[0036] A whole pallet recognition system based on machine vision, referring to Figure 1 and Figure 2 , including a base 1, a control cabinet 2 and a handheld barcode scanner 3, the base 1 is integrally formed with the ground, and the control cabinet 2 is placed on the ground. A barcode scanning information processing unit 4 is installed in the control cabinet 2, and the barcode scanning information processing unit 4 is connected to the cargo information management system through a cable; the handheld barcode scanner 3 is electrically connected to the barcode scanning information processing unit 4 through a wireless module. The handheld barcode scanner 3 is used to scan the barcode or QR code pasted on the surface of the cargo to enter the relevant information of the cargo into the cargo information management system. The barcode scanning information processing unit 4 includes a computer, which is connected to the cargo information management system through a network; the barcode scanning information processing unit 4 is used to receive, analyze and process the received barcode scanning information data and transmit the data to the cargo information management system. In another embodiment, the handheld barcode scanner 3 can also be directly electrically connected to the cargo information management system through a cable or a wireless module, so as to directly transmit the corresponding barcode scanning information to the cargo information management system. In another embodiment, the barcode scanning information processing unit can also be an intelligent information processing device based on AI.

[0037] Reference Figure 1 and Figure 3 , two support frames 11 are fixedly installed on the upper surface of the base 1 by expansion bolts, and one end of each support frame 11 away from the base 1 is extended upward. A gap is set between the two support frames 11, and the upper surface of the base 1 located between the two support frames 11 is integrally formed with a receiving groove 12 downward, and a bearing platform 5 is arranged in the receiving groove 12. In another embodiment, the base 1 can also be fixedly installed on the ground by expansion bolts. In another embodiment, the bearing platform 5 can also be integrally formed with the base 1, and the upper surface of the corresponding bearing platform 5 is flush with the upper surface of the base 1.

[0038] Reference Figure 2 and Figure 3 , a weighing element 51 is provided on the upper surface of the carrier 5, and the weighing element 51 includes a weighing sensor 511 and a weighing plate 512; the weighing sensor 511 is fixedly mounted on the upper surface of the carrier 5, and the weighing sensor 511 is electrically connected to the code scanning information processing element 4 through a cable; the lower surface of the weighing plate 512 is in contact with the sensing end of the weighing sensor 511. When the whole pallet 6 is placed on the upper surface of the weighing plate 512, the weighing sensor 511 can automatically weigh the weight of the whole pallet 6, and at the same time, the code scanning information processing element 4 can transmit the corresponding weight data to the cargo information management system. In another embodiment, the lower surface of the pallet can also be directly in contact with the sensing end of the weighing sensor 511, so that the weighing sensor 511 can detect the corresponding weight of the whole pallet 6. In another embodiment, the weighing sensor 511 can also be directly electrically connected to the cargo information management system through a cable, so that the weight data can be directly transmitted to the cargo information management system.

[0039] Reference Figure 1 and Figure 2 The side walls of the two support frames 11 facing each other are fixed with a barcode scanning camera 111 by bolts, and a plurality of barcode scanning cameras 111 are arranged on each support frame 11 in a sequentially spaced manner in the up-down direction. All barcode scanning cameras 111 are electrically connected to the barcode scanning information processing unit 4 through cables. The barcode scanning camera 111 is a smart camera that integrates the functions of photographing, information processing, and information transmission, and is used to automatically scan barcodes and / or two-dimensional codes; the specific structure of the barcode scanning camera 111 has been disclosed in the relevant technology, and will not be described in detail in this embodiment.

[0040] Reference Figure 1 and Figure 2 , when the whole pallet 6 is placed on the weighing plate 512, the barcode scanning camera 111 can automatically scan the barcode or QR code on the corresponding side of the whole pallet 6, and the scanned information is transmitted to the cargo information management system through the barcode scanning information processing unit 4. In another embodiment, the barcode scanning camera 111 can also be connected to the barcode scanning information processing unit 4 through a wireless module; the barcode scanning camera 111 can also be directly electrically connected to the cargo information management system through a cable or a wireless module to directly transmit the scanned information to the cargo information management system. It should be pointed out that when the whole pallet 6 is driven by a forklift, a rail car or other type of vehicle and passes directly through the position between the two support frames 11, the barcode scanning camera 111 can also automatically scan the corresponding barcode or QR code.

[0041] Reference Figure 1 and Figure 2The control cabinet 2 is equipped with a display unit 21 and an alarm unit 22. The display unit 21 includes a display, and the alarm unit 22 includes a buzzer. The display unit 21 and the alarm unit 22 are both electrically connected to the code scanning information processing unit 4 through cables. When the barcode or QR code is blocked and the corresponding barcode or QR code is not scanned and identified, the code scanning information processing unit 4 displays the position and image of the barcode or QR code that is not scanned and identified through the display unit 21, and issues a warning through the alarm unit 22 to remind the operator to clean up the debris blocking the barcode or QR code in time and scan it again through the handheld barcode scanner 3. In another embodiment, the alarm unit 22 can also be an alarm light, or the alarm unit 22 can be a structure in which a buzzer and an alarm light cooperate with each other; the alarm unit 22 can also be other structural components that can issue a warning to the operator.

[0042] Reference Figure 1 and Figure 2 , the upper ends of the two support frames 11 are fixedly mounted with a mounting frame 112, which is a rectangular frame, and the width direction of the mounting frame 112 is arranged along the straight line where the two support frames 11 are located. A 3D camera 1121 is fixedly mounted on the lower surface of each corner of the mounting frame 112 by bolts, and the 3D camera 1121 is electrically connected to the code scanning information processing unit 4 through a cable; the axial direction of the lens of the 3D camera 1121 extends along the direction where the diagonal line of the mounting frame 112 is located and is tilted downward to be used for static stereo sampling of the entire pallet 6, so as to calculate the volume of the entire pallet 6 and transmit the volume data to the cargo information management system through the code scanning information processing unit 4. The 3D camera 1121 is a kind of intelligent camera, and its structure and principle have been disclosed in the relevant technology, and will not be repeated in this embodiment. In this embodiment, the accuracy of volume detection can be improved by integrating the volume data obtained by all 3D cameras 1121. In another embodiment, the number of 3D cameras 1121 can also be one or two or other numbers. In another embodiment, the 3D camera 1121 may also be directly electrically connected to the cargo information management system via a wireless module or a cable.

[0043] Reference Figure 3 A rotating shaft 7 is provided between the carrier 5 and the base 1, one end of the rotating shaft 7 is rotatably connected to the bottom wall of the receiving groove 12 through a bearing, and the other end is extended upward. A rotating sleeve 52 is welded and fixed to the lower surface of the carrier 5, and the rotating sleeve 52 is key-connected to the rotating shaft 7. The base 1 is provided with a rotating member 8 and a lifting assembly 9; the lifting assembly 9 is used to lift the carrier 5 so that the lower surface of the whole tray 6 is separated from the upper surface of the base 1; the rotating member 8 is used to drive the carrier 5 to rotate around the axis of the rotating shaft 7, so that the barcode scanning camera 111 can automatically scan the barcode or QR code located at the rest of the whole tray 6.

[0044] Reference Figure 3 and Figure 4 , the rotating member 8 includes a driving gear 81, a driven gear 82 and a driving member 83. The inner peripheral wall of the accommodating groove 12 is integrally formed with a mounting groove 121; the driving member 83 includes a motor, and the driving member 83 is fixedly installed on the inner bottom wall of the mounting groove 121 by bolts, and the output shaft of the driving member 83 is arranged upward. The driving gear 81 is coaxially fixedly connected with the output shaft of the driving member 83 so that the driving member 83 drives the driving gear 81 to rotate. The driven gear 82 is fixedly connected to the lower surface of the supporting platform 5 by bolts, and the driven gear 82 is meshed with the driving gear 81, so that the driving gear 81 can drive the driven gear 82 and the supporting platform 5 to rotate synchronously to adjust the position state of the entire pallet 6 located on the weighing plate 512 relative to the barcode scanning camera 111.

[0045] Reference Figure 3 and Figure 5 The lifting assembly 9 includes a receiving ring plate 91 and a matching column 92. The receiving ring plate 91 is coaxial with the rotating shaft 7, and the receiving ring plate 91 is fixedly connected to the bottom wall of the receiving groove 12 by bolts. The upper surface of the receiving ring plate 91 is integrally formed with a lower matching portion 911, a connecting portion 912 and an upper matching portion 913; the lower matching portion 911, the connecting portion 912 and the upper matching portion 913 are sequentially distributed along the circumference of the receiving ring plate 91, and the upper surface of one end of the connecting portion 912 is tangent to the upper surface of the lower matching portion, and the upper surface of the other end is tangent to the upper surface of the upper matching portion 913; the upper surface of the lower matching portion 911 is lower than the upper surface of the upper matching portion 913.

[0046] Reference Figure 3 and Figure 5 , one end of the matching column 92 is fixedly connected to the lower surface of the bearing platform 5 through a flange, and the other end is extended downward; a rotating ball 921 is embedded in the lower end of the matching column 92, and the rotating ball 921 can roll relative to the matching column; the peripheral wall of the rotating ball 921 is exposed and abuts against the upper surface of the lower matching part 911, at this time, the upper surface of the weighing plate 512 is flush with the upper surface of the base 1. When the bearing platform 5 rotates, the rotating ball 921 relatively moves along the upper surface of the connecting part 912 to the upper surface of the upper matching part 913, so that the bearing platform 5 automatically rises; when the bearing platform 5 reverses to the process where the rotating ball 921 abuts against the upper surface of the lower matching part 911, the bearing platform 5 automatically descends. In another embodiment, the lower end wall of the matching column 92 can also directly abut against the upper surface of the lower matching part 911, the upper surface of the connecting part 912, and the upper surface of the upper matching part 913. In another embodiment, the lifting assembly 9 may also be a hydraulic cylinder, the cylinder body of the corresponding hydraulic cylinder is fixed to the bottom wall of the accommodating groove 12, and the piston rod of the hydraulic cylinder slides in the up and down directions so that the upper end wall of the piston rod abuts against the lower surface of the supporting platform 5; in order to facilitate the rotation of the supporting platform 5, a ball bearing may be arranged between the piston rod of the hydraulic cylinder and the supporting platform 5.

[0047] Using the above-mentioned machine vision-based full pallet 6 recognition system, the specific steps are as follows:

[0048] S1, moving the whole pallet 6: moving the whole pallet 6 to the upper surface of the weighing plate 512 by a forklift;

[0049] S2. Information Identification:

[0050] Weighing: The weighing sensor 511 automatically weighs the whole pallet 6 and transmits the weighing data to the cargo information management system through the code scanning information processing unit 4;

[0051] Volume detection: The 3D camera 1121 samples the shape of the entire pallet 6 and transmits the obtained volume data to the cargo information management system through the code scanning information processing unit 4;

[0052] First code scanning: the code scanning camera 111 automatically scans the barcode or QR code located on the corresponding side of the whole pallet 6, and transmits the relevant information obtained by scanning the code to the cargo information management system through the code scanning information processing unit 4.

[0053] S3, second code scanning: the rotating member 8 cooperates with the lifting assembly 9 to rotate the carrier 5 90 degrees, and the code scanning camera 111 scans the barcode or QR code located on the corresponding side of the whole pallet 6, and transmits the relevant information obtained by the code scanning to the cargo information management system through the code scanning information processing unit 4;

[0054] S4, identification completed: After the weight, volume, and code scanning information of the whole pallet 6 are identified, the whole pallet 6 is transferred to the designated location by a forklift.

[0055] During the first and second scanning steps, when a barcode or a QR code is not recognized, the display element 21 displays the position and image of the corresponding barcode or QR code, and the alarm element 22 issues a warning; then, the operator performs a supplementary scan using the handheld scanner 3.

[0056] When there is no need to detect the volume and weight of the entire pallet 6, and the barcode or QR code is located on only one side of the entire pallet 6 or on two opposite sides of the entire pallet 6, during the process of moving the entire pallet 6 by a forklift, when the forklift drives the entire pallet 6 to pass directly through the position between the two support members, the barcode scanning camera 111 can automatically scan the corresponding barcode or QR code, and the forklift can stop wirelessly, which is beneficial to improving the efficiency of the circulation of the entire pallet 6.

[0057] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A whole pallet recognition system based on machine vision, characterized by: The invention comprises a base (1), wherein the base (1) is provided with two support frames (11) extending upward; a space for accommodating a whole pallet (6) is provided between the two support frames (11); side walls of the two support frames (11) facing each other are provided with a code scanning camera (111) for electrically connecting to a cargo information management system; a plurality of code scanning cameras (111) are arranged in sequence along the up-down direction on each of the support frames (11); the code scanning cameras (111) are used to scan a barcode or a two-dimensional code and transmit the collected code scanning information to the cargo information management system.

2. The whole pallet recognition system based on machine vision according to claim 1, characterized in that: The base (1) is provided with a bearing platform (5) at a position between the two support frames (11), and the bearing platform (5) is used to receive the entire pallet (6); the bearing platform (5) is rotatably connected to the base (1), and the base (1) is provided with a rotating member (8) for driving the bearing platform (5) to rotate.

3. The whole pallet recognition system based on machine vision according to claim 2 is characterized in that: The upper surface of the base (1) is provided with a receiving groove (12) for receiving the bearing platform (5); a rotating shaft (7) is provided between the bearing platform (5) and the base (1); the bearing platform (5) is rotatably connected to the base (1) via the rotating shaft (7); the rotating shaft (7) is rotatably connected to the bottom wall of the receiving groove (12); the bearing platform (5) is slidably connected to the rotating shaft (7) in the up and down directions; and the base (1) is provided with a lifting component (9) for driving the bearing platform (5) to slide.

4. The whole pallet recognition system based on machine vision according to claim 3 is characterized in that: The lifting assembly (9) comprises a receiving ring plate (91) connected to the inner wall of the accommodating groove (12) and a matching column (92) connected to the bearing platform (5), wherein the matching column (92) is arranged to extend downward from one end away from the bearing platform (5); the upper surface of the receiving ring plate (91) is provided with a lower matching portion (911), a connecting portion (912) and an upper matching portion (913) in sequence along the circumference of the receiving ring plate (91), the upper surface of the lower matching portion (911) is lower than the upper surface of the upper matching portion (913), and the connecting portion (912) is arranged to extend downward from the end of the bearing platform (5). The upper surface of one end of (912) is connected to the upper surface of the lower matching part (911), and the upper surface of the other end is connected to the upper surface of the upper matching part (913); the upper surfaces of the lower matching part (911), the connecting part (912) and the upper matching part (913) are all used to abut against the lower end wall of the matching column (92); when the lower end wall of the matching column (92) abuts against the upper surface of the upper matching part (913), the lower surface of the entire tray (6) placed on the supporting platform (5) is in a separated state from the base (1).

5. The whole pallet recognition system based on machine vision according to claim 3 is characterized in that: The rotating member (8) comprises a driving gear (81) rotatably connected to the base (1), a driven gear (82) connected to the bearing platform (5), and a driving member (83) for driving the driving gear (81) to rotate, and the driven gear (82) is meshed with the driving gear (81).

6. The whole pallet recognition system based on machine vision according to claim 1 is characterized in that: The invention also comprises a handheld barcode scanner (3) for scanning barcodes or two-dimensional codes; a barcode scanning information processing component (4) is arranged between the barcode scanning camera (111) and the cargo information management system, and the barcode scanning camera (111) is electrically connected to the cargo information management system via the barcode scanning information processing component (4); the barcode scanning information processing component (4) is electrically connected to a display component (21), and the barcode scanning information processing component (4) is used to display the position of an unrecognized barcode or two-dimensional code via the display component (21); the handheld barcode scanner (3) is used to be electrically connected to the cargo information management system.

7. The whole pallet recognition system based on machine vision according to claim 6 is characterized in that: The code scanning information processing component (4) is electrically connected to an alarm component (22).

8. The whole pallet recognition system based on machine vision according to claim 1, characterized in that: The support frame (11) is provided with a mounting frame (112), and the mounting frame (112) is provided with a 3D camera (1121) for sampling the entire pallet (6), and the 3D camera (1121) is electrically connected to a cargo information management system; the 3D camera (1121) is used to measure the volume of the entire pallet (6).

9. The whole pallet recognition system based on machine vision according to claim 1, characterized in that: The base (1) is provided with a bearing platform (5) at a position between the two support frames (11), and the bearing platform (5) is used to receive a whole pallet (6); the bearing platform (5) is provided with a weighing piece (51) for weighing the corresponding whole pallet (6), and the weighing piece (51) is used to be electrically connected to a cargo information management system.

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