Two-dimensional code grading detection device based on parity synchronization technology

Abstract

The utility model relates to the technical field of two-dimensional code grading detection, in particular to a two-dimensional code grading detection device based on an odd-even synchronization technology, which comprises a workbench, a transmission frame arranged on the workbench, a conveying belt arranged on the transmission frame, a photoelectric sensor arranged at the starting end of the conveying belt, and an encoder arranged at the tail end of the conveying belt. Two stand columns are arranged on one side of the workbench side by side, linear modules are vertically installed on the upper portions of the two stand columns, installation rods are connected to sliding blocks of the linear modules, a first code reader and a second code reader are installed on the installation rods at intervals, and the first code reader and the second code reader are both located over the middle section of the conveying belt. A synchronous signal driver is arranged on the side, away from the stand column, of the conveying belt, and the synchronous signal driver is in signal connection with the photoelectric sensor, the encoder and the two code readers. The two-dimensional code grading detection device is reasonable in design and simple and convenient to operate, and effectively reduces the workload of the code reader, thereby remarkably improving the detection speed and efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to two -dimensional code grading detection technical field especially a two -dimensional code grading detection device based on parity synchronous technique. BACKGROUND

[0002] As a new type of information carrier, two-dimensional code has become increasingly mature in the application of packaging industry, and has the characteristics of high fault tolerance, low cost, high error correction capability, large information capacity, high security, high decoding reliability and wide application range, so that the application of two-dimensional code is becoming more and more common. By closely combining two-dimensional code with company information and product basic information of the product, and spraying on the product packaging box, multiple functions can be realized: for example, two-dimensional code can be connected with mobile terminal and cloud database, which not only can realize real-time tracking and tracing of product circulation and fake goods, but also can effectively prevent the circulation of fake goods; again, as an information carrier, two-dimensional code can also provide a direct promotion channel for the product, and consumers can immediately obtain detailed information, usage instructions, promotion activities and the like of the product by scanning the two-dimensional code, so as to improve user experience and brand loyalty.

[0003] In the printing production process of two-dimensional code, due to subjective or objective errors of operators, changes of printing environment and other uncertain factors, the printing quality and readability of two-dimensional code may be affected. Therefore, it is particularly important to grade detect two-dimensional code. Grading detection can help identify and correct problems in the printing process, and ensure that each two-dimensional code meets the readability and accuracy requirements. However, at present, two-dimensional code grading detection in industry mainly relies on single code reader for detection, and the detection speed of this method is relatively slow, which will affect the production efficiency. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies in the prior art and provide a two-dimensional code grading detection device based on parity synchronous technology which improves detection speed.

[0005] The utility model adopts the technical scheme in the technical solution: a two-dimensional code grading detection device based on parity synchronous technology, including a workbench, the workbench is equipped with a transmission frame, the transmission frame is equipped with a conveyor belt, the starting end of the conveyor belt is equipped with a photoelectric sensor, the end of the conveyor belt is equipped with an encoder, the side of the workbench is equipped with two columns side by side, the upper part of two columns is vertically installed with a linear module, the slider of the linear module is connected with a mounting rod, the mounting rod is equipped with a first code reader and a second code reader at intervals, the first code reader and the second code reader are located directly above the middle section of the conveyor belt, the side of the conveyor belt away from the column of the workbench is equipped with a synchronous signal driver, and the synchronous signal driver is signal connected with the photoelectric sensor, the encoder, the first code reader and the second code reader.

[0006] Further, the first and second code readers have the same structure, both including an illumination assembly connected to the mounting plate and a lens assembly connected to the mounting frame, the lens assembly being located directly below the illumination assembly.

[0007] Further, the mounting plate includes a first connecting portion connected to the illumination assembly and a second connecting portion connected to the upper surface of the mounting rod, the second connecting portion and the first connecting portion being connected through a circular arc.

[0008] Further, the mounting frame includes a first mounting plate, a transition plate and a second mounting plate, the bottom of the first mounting plate being connected to the transition plate, the transition plate being arranged perpendicularly to the first mounting plate, the second mounting plate being connected to the inner side of the transition plate and parallel to the first mounting plate, the second mounting plate being connected to one end of the lens assembly, and the first mounting plate being connected to the front surface of the mounting rod.

[0009] Further, the synchronous signal driver includes an open-top box body and a cover plate located on the opening, the cover plate having mounting edges formed at both ends thereof and extending outward, and mounting holes being formed in the mounting edges.

[0010] Further, the workbench is provided with two connecting columns, each of the connecting columns having foot plates connected to the workbench at both sides of the bottom of the connecting column, and connecting holes being formed in the top surface of the connecting column and matched with the mounting holes.

[0011] Further, the transmission frame includes a frame body, a speed reduction motor, a driving roller and a driven roller, the driving roller and the driven roller being movably connected to both ends of the frame body, respectively, a plurality of transmission rollers being distributed on the frame body between the driving roller and the driven roller, one end of the driving roller extending out of the frame body and being provided with a driven pulley, the speed reduction motor being installed on the workbench and located at the end of the conveying belt, a driving pulley being installed on the output shaft of the speed reduction motor, and a synchronous belt being sleeved around the outer periphery of the driving pulley and the driven pulley.

[0012] Further, one end of the driven roller extends out of the frame body and is provided with a photoelectric sensor, and the encoder is installed on the upper surface of the frame body close to the driving roller.

[0013] The utility model discloses a beneficial effect is: the utility model discloses two -dimensional code grading detection device based on parity synchronous technique reasonable in design, easy and simple operation, synchronous signal driver installs in the conveyer belt one side, receives the signal of photoelectric sensor to confirm product and enters, and according to product entering order will its number, odd number product reaches the detection range of first code reader or even number product reaches the detection range of second code reader, and the encoder will send a signal to synchronous signal driver, and after synchronous signal driver receives position signal, will immediately trigger corresponding code reader, instructs its to the product below and carries out the photograph to capture two -dimensional code image on product. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further described below in connection with the drawings and examples.

[0015] Figure 1 It is two -dimensional code grading detection device based on parity synchronous technique of the utility model structure schematic view.

[0016] Figure 2 It is two -dimensional code grading detection device based on parity synchronous technique of the utility model control diagram.

[0017] In the drawing: 1, workbench;2, transmission frame;21, frame body;22, speed reducer motor;23, driven pulley;24, driving pulley;25, synchronous belt;3, conveyer belt;4, photoelectric sensor;5, encoder;6, stand;7, linear module;8, mounting rod;9, first code reader;10, second code reader;11, synchronous signal driver;111, box body;112, cover plate;12, mounting plate;121, first connecting part;122, second connecting part;13, mounting frame;131, first mounting plate;132, transition plate;133, second mounting plate;14, connecting column.A, lighting assembly;B, lens assembly. DETAILED DESCRIPTION

[0018] The utility model will be further described in detail in connection with the drawings. These drawings are all simplified schematic views, just with the schematic mode to show the basic structure of the utility model, so it just shows the constitution related with the utility model.

[0019] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the features limited by "first" and "second" can be explicitly or implicitly included one or more features. In the description of the utility model, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0020] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0021] As shown in Figure 1 A two-dimensional code hierarchical detection device based on parity synchronization technology, including workbench 1, workbench 1 is equipped with transmission frame 2, transmission frame 2 is equipped with conveying belt 3, the starting end of conveying belt 3 is equipped with photoelectric sensor 4, the end of conveying belt 3 is equipped with encoder 5, one side of workbench 1 is provided with two vertical columns 6 side by side, the upper part of two vertical columns 6 is vertically installed with linear module 7, the slider of linear module 7 is connected with mounting rod 8, first code reader 9 and second code reader 10 are installed on mounting rod 8 at intervals, first code reader 9 and second code reader 10 are located directly above the middle section of conveying belt 3, the conveying belt 3 side of workbench 1 away from vertical column 6 is equipped with synchronous signal driver 11, synchronous signal driver 11 is signal connected with photoelectric sensor 4, encoder 5, first code reader 9 and second code reader 10.

[0022] The mounting rod 8 is connected to the sliders of the two linear modules 7, and the lifting movement is stable. The photoelectric sensor 4 is responsible for real-time monitoring of the entry of products, specifically by capturing the signal of the arrival of the products, and transmitting the signal to the synchronous signal driver 11. The code reader is used to detect the two-dimensional code level on the product, and the first code reader 9 and the second code reader 10 are set to realize more efficient detection. The first code reader 9 is specially used for detecting the two-dimensional code of the odd product on the conveying belt, and the second code reader 10 is responsible for detecting the two-dimensional code of the even product on the conveying belt. The main function of the encoder 5 is to detect and record the specific position of the product on the conveying belt 3, and transmit the position information to the synchronous signal driver 11 to support the accurate triggering of the code reader.

[0023] In the embodiment, the first code reader 9 and the second code reader 10 have the same structure, both including an illumination assembly A and a lens assembly B. The illumination assembly A is connected to the mounting plate 12, and the lens assembly B is connected to the mounting bracket 13, which is located directly below the illumination assembly A. The mounting plate 12 includes a first connecting part 121 and a second connecting part 122. The first connecting part 121 is connected to the illumination assembly A, and the second connecting part 122 is connected to the upper surface of the mounting rod 8. The second connecting part 122 and the first connecting part 121 are connected by a circular arc transition. The mounting bracket 13 includes a first mounting plate 131, a transition plate 132, and a second mounting plate 133. The bottom of the first mounting plate 131 is connected to the transition plate 132, which is perpendicular to the first mounting plate 131. The second mounting plate 133 is connected to the inner side of the transition plate 132 and is parallel to the first mounting plate 131. The second mounting plate 133 is connected to one end of the lens assembly B, and the first mounting plate 131 is connected to the front surface of the mounting rod 8.

[0024] The mounting rod 8 is a profile, and the upper surface, the front surface, and the rear surface are all distributed with connecting grooves. The mounting plate 12 with the above structure is connected to the illumination assembly A, and the mounting bracket 13 with the above structure is connected to the lens assembly B, which will not interfere with the installation of the illumination assembly A and the lens assembly B, and is convenient to install. The interval distance of the general product on the conveying belt 3 is set, so the first code reader 9 and the second code reader 10 are generally not changed after being installed according to the interval distance of the product.

[0025] Specifically, the synchronous signal driver 11 includes an open box body 111 and a cover plate 112 located on the opening. The two ends of the cover plate 112 extend outward to form mounting edges, and mounting holes are formed in the mounting edges. Two connecting columns 14 are provided on the workbench 1, and a foot plate 141 connected to the workbench 1 is provided on both sides of the bottom of each connecting column 14. A connecting hole matched with the mounting hole is formed in the top surface of the connecting column 14. One end of the cover plate 112 of the synchronous signal driver 11 is first connected to one connecting column 14 fixed on the workbench 1, and the other end of the cover plate 112 is then connected to the other connecting column 14.

[0026] The transmission frame 2 includes a frame 21, a geared motor 22, a drive roller, and a driven roller (not shown in the figure). The drive roller and the driven roller are movably connected to both ends of the frame 21. Several transmission rollers are distributed on the frame 21 between the drive roller and the driven roller. One end of the drive roller extends out of the frame and is equipped with a driven pulley 23. The geared motor 22 is mounted on the workbench 1 and located at the end of the transmission belt 3. A drive pulley 24 is mounted on the output shaft of the geared motor 22. A synchronous belt 25 is fitted around the outer periphery of the drive pulley 24 and the driven pulley 23. One end of the driven roller extends out of the frame 21 and is equipped with a photoelectric sensor 4. An encoder 5 is mounted on the upper surface of the frame 21 near the drive roller.

[0027] Specific work process: such as Figure 2 As shown, the photoelectric sensor 4 captures the signal of the product's arrival and transmits the signal to the synchronous signal driver 11; at the same time, the encoder 5 continuously tracks the product's position information on the conveyor belt 3 and feeds this data back to the synchronous signal driver 11; when the product enters the conveyor belt 3, when an odd-numbered product reaches the detection range of the first barcode reader 9, or when an even-numbered product reaches the detection range of the second barcode reader 10, the encoder 5 sends a signal to the synchronous signal driver 11. After receiving the position signal, the synchronous signal driver 11 immediately triggers the corresponding barcode reader, instructing it to take a picture of the product below and capture the QR code image on the product.

[0028] The above description is only a specific embodiment of the present utility model. Various examples and illustrations do not constitute a limitation on the substantive content of the present utility model. Those skilled in the art can make modifications or variations to the above-described specific embodiments after reading the description without departing from the essence and scope of the utility model.

Claims

1. A two-dimensional code hierarchical detection device based on parity synchronization technology, comprising a workbench (1), characterized in that: The workbench (1) is provided with a transmission frame (2), the transmission frame (2) is provided with a conveying belt (3), the starting end of the conveying belt (3) is provided with a photoelectric sensor (4), the end of the conveying belt (3) is provided with an encoder (5), one side of the workbench (1) is provided with two vertical columns (6) side by side, the upper part of the two vertical columns (6) is vertically provided with a linear module (7), the slider of the linear module (7) is connected with a mounting rod (8), the first code reader (9) and the second code reader (10) are arranged on the mounting rod (8) at intervals, the first code reader (9) and the second code reader (10) are located above the middle section of the conveying belt (3), the side of the conveying belt (3) away from the vertical column (6) of the workbench (1) is provided with a synchronous signal driver (11), the synchronous signal driver (11) is signal connected with the photoelectric sensor (4), the encoder (5), the first code reader (9) and the second code reader (10).

2. The two-dimensional code hierarchical detection device based on the parity synchronization technology according to claim 1, characterized in that: The first code reader (9) and the second code reader (10) are the same structure, both including an illumination assembly (A) and a lens assembly (B), the illumination assembly (A) is connected on a mounting plate (12), the lens assembly (B) is connected on a mounting frame (13), and the lens assembly (B) is located below the illumination assembly (A).

3. The two-dimensional code hierarchical detection device based on the parity synchronization technology according to claim 2, characterized in that: The mounting plate (12) includes a first connecting part (121) and a second connecting part (122), the first connecting part (121) is connected with the illumination assembly (A), the second connecting part (122) is connected on the upper surface of the mounting rod (8), and the second connecting part (122) and the first connecting part (121) are transitioned through a circular arc.

4. The two-dimensional code hierarchical detection device based on the parity synchronization technique according to claim 2, characterized in that: The mounting frame (13) includes a first mounting plate (131), a transition plate (132) and a second mounting plate (133), the bottom of the first mounting plate (131) is connected with the transition plate (132), the transition plate (132) is vertically arranged with the first mounting plate (131), the second mounting plate (133) is connected on the inner side of the transition plate (132) and is parallel with the first mounting plate (131), the second mounting plate (133) is connected on one end of the lens assembly (B), and the first mounting plate (131) is connected on the front surface of the mounting rod (8).

5. The apparatus for hierarchical detection of two-dimensional codes based on parity synchronization technique according to claim 1, characterized in that: The synchronous signal driver (11) includes an upper opening box body (111) and a cover plate (112) located on the opening, the both ends of the cover plate (112) extend outward to form mounting edges, and mounting holes are formed in the mounting edges.

6. The two-dimensional code hierarchical detection device based on the parity synchronization technique according to claim 5, characterized in that: The workbench (1) is provided with two connecting columns (14), the bottom of each connecting column (14) is provided with a foot plate connected with the workbench (1), and the top surface of the connecting column (14) is provided with a connecting hole matched with the mounting hole.

7. The two-dimensional code hierarchical detection device based on parity synchronization technology according to claim 1, characterized in that: The transmission frame (2) comprises a frame body (21), a speed reducer motor (22), a driving roller and a driven roller, the driving roller and the driven roller are movably connected at two ends of the frame body (21) respectively, a plurality of transmission rollers are distributed on the frame body (21) between the driving roller and the driven roller, one end of the driving roller extends out of the frame body (21) and is provided with a driven pulley (23), the speed reducer motor (22) is installed on a workbench and located at an end of the conveying belt (3), a driving pulley (24) is installed on an output shaft of the speed reducer motor (22), and the driving pulley (24) and the driven pulley (23) are provided with a synchronous belt (25) outside peripheries.

8. The two-dimensional code hierarchical detection device based on the parity synchronization technique according to claim 7, characterized in that: One end of the driven roller extends out of the frame body (21) and is provided with a photoelectric sensor (4), and the encoder (5) is installed on the upper surface of the frame body (21) close to the driving roller.

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