Document two-dimensional code recognition device

Abstract

The utility model relates to a two-dimensional code recognition device which comprises a transmission frame, a first supporting rod and a second supporting rod. The first supporting rod and the second supporting rod are installed on the side face of the conveying frame from front to back in the conveying direction of the conveying frame. A conveying belt is mounted on the conveying frame; a sensing mechanism is mounted at the first supporting rod, is positioned above the conveying belt and is used for sensing the conveyed documents; a light supplementing mechanism and an image collecting mechanism are installed on the second supporting rod, the image collecting mechanism is electrically connected with the sensing mechanism, and the image collecting mechanism is used for collecting two-dimensional code information on the document; a stroke recording structure is further arranged on the portion, behind the second supporting rod, of the conveying frame, and the stroke recording structure is electrically connected with the sensing mechanism. According to the utility model, the sensing mechanism and the image acquisition mechanism are arranged on the transmission belt, so that the positions of the sensor, the camera and the light supplement lamp can be flexibly adjusted to facilitate dynamic two-dimensional code identification of documents.

Description

TECHNICAL FIELD

[0001] The utility model relates to a two -dimensional code recognition device especially, a kind of document two-dimensional code recognition device. BACKGROUND

[0002] Traditional two-dimensional code recognition equipment is more using fixed camera and light source layout, this layout can realize effective identification for the document with relatively fixed two-dimensional code position, however, in practical application, the position of two-dimensional code on document can exist greater difference, and due to the jitter, offset etc. SUMMARY

[0003] The utility model is to provide a kind of document two-dimensional code recognition device.

[0004] The utility model discloses the purpose is realized by the following technical scheme: a kind of document two-dimensional code recognition device, including transmission frame, first support rod and second support rod;The first support rod, second support rod install by the transmission direction of transmission frame from front to back on the side of transmission frame;Transmission frame is installed with transmission belt;

[0005] In first support rod, sensing mechanism is installed, and sensing mechanism is located above transmission belt for sensing the document of transmission;

[0006] Light-supplementing mechanism and image acquisition mechanism are respectively installed on second support rod, and image acquisition mechanism is electrically connected with sensing mechanism, and image acquisition mechanism is used to gather two-dimensional code information on document;

[0007] Travel record structure is further equipped on transmission frame after second support rod, and the travel record structure is electrically connected with sensing mechanism.

[0008] Compared with prior art, the utility model has the advantages that: 1, the design of the first clamping piece, first guide rod and first sliding block etc.

[0009] 2, The utility model discloses through the introduction of stroke recording structure, make the device can record the transmission distance data of paper, these data can be used for monitoring the transmission speed and stability of paper, help analysis equipment's operating condition, through the design of compacting band, compacting block, compression roller etc. Part, can effectively compact paper, prevent the deviation or drop -out in transmission process because of various factors, improve the stability of paper transmission, ensure the smooth progress of two -dimensional code or image identification. In addition through the stroke recording structure can calculate the speed of the passing of the document, ensure that after sensing mechanism senses the document, the light supplement mechanism and image acquisition mechanism can start in time and carry out the document image acquisition. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the structure schematic diagram of an embodiment of the utility model.

[0011] Figure 2 It is the structure schematic diagram of first support rod, second support rod and the part of the utility model.

[0012] Figure 3 It is the structure schematic diagram of first support rod, first clamping piece and first guide rod and the part.

[0013] Figure 4 It is the structure schematic diagram of second support rod, second clamping piece and second guide rod and the part.

[0014] Figure 5 It is the structure schematic diagram of third clamping piece, connecting rod and connecting block and the part of the utility model.

[0015] Figure 6 It is the structure schematic diagram of transmission frame, stroke recording structure and compacting band of the utility model.

[0016] Figure 7 It is the structure schematic diagram of first installation rod, compacting band and fixed frame and the part of the utility model.

[0017] Figure 8 It is the structure schematic diagram of first installation rod, compacting band and compacting block and the part of the utility model.

[0018] Label explanation: 1_transmission frame, 2_first support rod, 3_first clamping part, 4_first guide rod, 5_first sliding block, 6_mounting frame, 7_sensor, 8_second support rod, 9_second clamping part, 10_second guide rod, 11_second sliding block, 12_shooting guide rod, 13_shooting sliding block, 14_camera, 15_third clamping part, 16_connection rod, 17_connection block, 18_guide frame, 19_light supplement lamp, 20_travel record structure, 21_first mounting rod, 22_pressing belt, 23_pressing block, 24_second mounting rod, 25_pressing frame, 251_pressing roller, 26_first adjusting screw, 27_fixing plate, 28_elastic part, 29_fixing frame, 30_second adjusting screw. DETAILED DESCRIPTION

[0019] The content of the utility model will be explained in detail below in combination with the drawings and examples of the specification:

[0020] As Figures 1-5 shown is an embodiment schematic view of a document two-dimensional code recognition device provided by the utility model, comprising a transmission frame 1, a first support rod 2 and a second support rod 8;The first support rod 2, the second support rod 8 are installed from front to back on the side of the transmission frame 1 along the transmission direction of the transmission frame 1;A transmission belt is installed on the transmission frame 1;

[0021] A sensing mechanism is installed at the first support rod 2, and the sensing mechanism is located above the transmission belt for sensing the document being transmitted;

[0022] A light supplement mechanism and an image acquisition mechanism are respectively installed on the second support rod 8, the image acquisition mechanism is electrically connected with the sensing mechanism, and the image acquisition mechanism is used for acquiring two-dimensional code information on the document;

[0023] A travel record structure 20 is further arranged on the transmission frame 1 behind the second support rod 8, and the travel record structure 20 is electrically connected with the sensing mechanism.

[0024] The approximate use mode is that when the sensing mechanism senses the document during the transmission of the document on the transmission belt, the travel record structure 20 can start the light supplement mechanism and the image acquisition mechanism in time according to the transmission speed of the transmission belt to collect the data of the document.

[0025] The sensing mechanism comprises a first clamping part 3, a first guide rod 4, a first sliding block 5, a mounting frame 6 and a sensor 7;

[0026] The first clamping part 3 is slidably installed on the first support rod 2, the first guide rod 4 is arranged on the first clamping part 3, the first guide rod 4 extends above the transmission belt, the first sliding block 5 is slidably installed on the first guide rod 4, the mounting frame 6 is arranged below the first sliding block 5, and the sensor 7 is installed on the mounting frame 6.

[0027] The sensor 7 is a photoelectric sensor, and the mounting frame 6 is provided with a plurality of mounting holes, and the sensor 7 can be mounted on different mounting holes.

[0028] The image acquisition mechanism comprises a second clamping piece 9, a second guide rod 10, a second sliding block 11, a camera guide rod 12, a camera sliding block 13, and a camera 14.

[0029] The second clamping piece 9 is slidably installed on the second support rod 8, the second clamping piece 9 is connected with the second guide rod 10, and the second guide rod 10 extends above the conveying belt; the second guide rod 10 is slidably installed with the second sliding block 11, the second sliding block 11 is provided with the forwardly and rearwardly extending camera guide rod 12, the camera guide rod 12 is slidably installed with the camera sliding block 13, the camera sliding block 13 is installed below the camera frame, and the camera 14 is installed on the camera frame.

[0030] It should be noted that the image acquisition mechanism and the light supplementing mechanism are used in matching. At present, the light supplementing mechanism has two installation modes.

[0031] Embodiment 1

[0032] The light supplementing mechanism comprises a third clamping piece 15, a connecting rod 16, a connecting block 17, a guide frame 18, and a light supplementing lamp 19; the two second support rods 8 are slidably installed with the third clamping piece 15, the third clamping piece 15 is connected with the connecting rod 16, and the connecting rod is located above the conveying belt; the connecting rod 16 is provided with two connecting blocks 17, the two connecting blocks 17 are both provided with the forwardly extending guide frame 18, and the light supplementing lamp 19 is slidably arranged between the two guide frames 18. The light supplementing lamp is located below the rear side of the camera 14.

[0033] In this way, the clarity of the image during the file image acquisition can be ensured, thereby ensuring the effect of the image acquisition.

[0034] Embodiment 2

[0035] The light supplementing mechanism is a ring-shaped light supplementing lamp, which is installed on the camera frame and located at the outer periphery of the camera 14.

[0036] When live streaming, it is found that many devices set a ring-shaped light source around the camera, so the above embodiment is supplemented. Of course, the light supplementing lamp 19 located near the camera 14 can ensure that the light directly irradiates the area that needs to be captured by the camera 14, reduces the shadow and reflection, and thus improves the accuracy of two-dimensional code or image recognition.

[0037] In use, the transmission frame 1 transmits the paper from front to back, after the paper moves to the position of the sensor 7, the sensor 7 sends a signal to the camera 14, the camera 14 starts to work to collect images or two-dimensional codes, and the fill light 19 provides sufficient light conditions for the camera 14; In order to cope with different documents with different image or two-dimensional code positions, the positions of the sensor 7, the camera 14 and the fill light 19 can be adjusted, the vertical height of the first clamping part 3 on the first supporting rod 2 is adjusted, and the front and rear positions of the first sliding block 5 on the first guide rod 4 are adjusted, the vertical (up and down) and horizontal (front and back) positions of the sensor 7 can be controlled; Similarly, by adjusting the second clamping part 9, the second sliding block 11 and the camera sliding block 13, the positions of the camera 14 in the up-down, front-back and left-right directions are adjusted respectively; By the third clamping part 15 and the guide frame 18, the positions of the fill light 19 in the up-down and left-right directions are adjusted respectively.

[0038] As shown in Figure 2 and Figure 6 The travel recording structure 20 is a roller travel recording device, and the transmission frame 1 is in contact with the transmission frame 1. The travel recording structure 20 records the distance data of the transmission by the rolling friction between the roller and the transmission frame 1, which can be used to monitor the transmission speed and stability of the paper, and analyze the running condition of the equipment. The start and stop of the camera and the fill light can also be controlled.

[0039] As shown in Figure 7 and Figure 8 It also includes a first mounting rod 21 and a pressing belt 22, and the first mounting rod 21 is located at the front end of the transmission frame 1. The first mounting rod 21 is located above the transmission belt, and two pressing belts 22 are provided on the first mounting rod 21 and extend backward above the transmission belt.

[0040] It should be noted that the two pressing belts 22 are slightly higher than the upper side of the transmission frame 1; The pressing belt 22 is used to press the paper to ensure that the paper does not deviate or fall during the transmission process due to various factors, and improves the stability of the paper transmission.

[0041] As shown in Figure 7 and Figure 8As shown, it further comprises a pressing plate 23, a second mounting rod 24, a pressing frame 25, a pressing roller 251, a first adjusting lead screw 26, a fixed plate 27, a spring 28, a fixed frame 29 and a second adjusting lead screw 30; the fixed plate 27 fixes the front edge of the pressing plate 23 on the first mounting rod 21, and the pressing plate 23 extends backward and downward to adhere to the conveying belt; the conveying frame 1 is provided with the second mounting rod 24, the second mounting rod 24 is rotatably provided with the pressing frame 25, the pressing frame 25 is provided with the pressing roller 251, the pressing frame 25 is threadedly connected with the first adjusting lead screw 26, and the first adjusting lead screw 26 and the fixed plate 27 are connected with the spring 28, so that the pressing roller 251 always presses the pressing plate 23, and the pressing plate 23 tightly adheres to the conveying belt.

[0042] Through cooperation of the pressing frame 25, the first adjusting lead screw 26 and the elastic member 28, the pressing roller 251 presses the pressing block 23, the pressing block 23 presses the paper, the pressing degree can be adjusted through the first adjusting lead screw 26, and the above can ensure that the paper can be automatically input in the input process, and correspondingly, the conveying belt with friction particles can be used in the region.

[0043] As shown in Figure 7 and Figure 8 As shown, it further comprises a fixed frame 29 and a second adjusting lead screw 30; the fixed frame 29 is installed on the conveying frame 1 and located behind the second mounting rod 24, the fixed frame 29 is threadedly connected with the second adjusting lead screw 30, and the lower end of the second adjusting lead screw 30 abuts against the pressing plate 23.

[0044] Through adjustment of the height of the second adjusting lead screw 30, fine adjustment of the position of the pressing block 23 can be realized to adapt to paper with different thicknesses and sizes.

[0045] In addition, it should be noted that the sliding block and the clamping member in the utility model are locked through bolts, and handles can be arranged at the ends of the bolts to facilitate holding for the convenience of adjustment.

[0046] Finally, it should be noted that: the above only describes preferred embodiments of the utility model, and is not used for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A document QR code recognition device, characterized in that: It includes a transmission frame (1), a first support rod (2), and a second support rod (8); the first support rod (2) and the second support rod (8) are installed on the side of the transmission frame (1) from front to back according to the transmission direction of the transmission frame (1); a transmission belt is installed on the transmission frame (1); A sensing mechanism is installed at the first support rod (2), and the sensing mechanism is located above the conveyor belt to sense the documents being transmitted; A supplementary lighting mechanism and an image acquisition mechanism are respectively installed on the second support rod (8). The image acquisition mechanism is electrically connected to the sensing mechanism and is used to acquire QR code information on the document. A travel recording structure (20) is also provided behind the second support rod (8) and on the transmission frame (1), and the travel recording structure (20) is electrically connected to the sensing mechanism.

2. The document QR code recognition device according to claim 1, characterized in that: The sensing mechanism includes a first clamping member (3), a first guide rod (4), a first sliding block (5), a mounting bracket (6), and a sensor (7); A first clamping member (3) is slidably mounted on the first support rod (2). A first guide rod (4) is provided on the first clamping member (3). The first guide rod (4) extends above the conveyor belt. A first sliding block (5) is slidably mounted on the first guide rod (4). A mounting frame (6) is provided below the first sliding block (5). The sensor (7) is mounted on the mounting frame (6).

3. The document QR code recognition device according to claim 1, characterized in that: The image acquisition mechanism includes a second clamping member (9), a second guide rod (10), a second sliding block (11), a camera guide rod (12), a camera sliding block (13), and a camera (14); A second clamping member (9) is slidably installed on the second support rod (8), and a second guide rod (10) is connected to the second clamping member (9). The second guide rod (10) extends above the conveyor belt. A second sliding block (11) is slidably installed on the second guide rod (10). A camera guide rod (12) extending in the front and back direction is provided on the second sliding block (11). A camera sliding block (13) is slidably installed on the camera guide rod (12). A camera frame is installed below the camera sliding block (13), and the camera (14) is installed on the camera frame.

4. The document QR code recognition device according to claim 3, characterized in that: The supplementary lighting mechanism includes a third clamping member (15), a connecting rod (16), a connecting block (17), a guide frame (18), and a supplementary light (19); the third clamping member (15) is slidably installed on two second support rods (8), and the connecting rod (16) is connected to the third clamping member (15). The connecting rod is located above the conveyor belt; the connecting rod (16) is provided with two connecting blocks (17), and each of the two connecting blocks (17) is provided with a forward-extending guide frame (18). The supplementary light (19) is slidably installed between the two guide frames (18).

5. A document QR code recognition device according to claim 4, characterized in that: The fill light is located below and behind the camera (14).

6. A document QR code recognition device according to claim 3, characterized in that: The supplementary lighting mechanism is a ring-shaped supplementary light, which is installed on the camera stand and located on the outer periphery of the camera (14).

7. A document QR code recognition device according to claim 1, characterized in that: The travel recording structure (20) is a roller travel recording device, and its transmission roller is in contact with the transmission frame (1).

8. A document QR code recognition device according to any one of claims 1-7, characterized in that: It also includes a first mounting rod (21) and a pressing belt (22). The first mounting rod (21) is located at the front end of the transmission frame (1). The first mounting rod (21) is located above the transmission belt, and two pressing belts (22) are provided on the first mounting rod (21) extending backward and located above the transmission belt.

9. A document QR code recognition device according to any one of claims 1-7, characterized in that: It also includes a pressure plate (23), a second mounting rod (24), a pressure frame (25), a pressure roller (251), a first adjusting screw (26), a fixing plate (27), a spring (28), a fixing frame (29), and a second adjusting screw (30); the fixing plate (27) fixes the front edge of the pressure plate (23) to the first mounting rod (21), and the pressure plate (23) extends backward and downward to fit the conveyor belt; the conveyor frame (1) is provided with a second mounting rod (24), the pressure frame (25) is rotatably mounted on the second mounting rod (24), the pressure roller (251) is provided on the pressure frame (25), the first adjusting screw (26) is threadedly connected to the pressure frame (25), and a spring (28) is connected between the first adjusting screw (26) and the fixing plate (27), so that the pressure roller (251) always presses against the pressure plate (23) and makes the pressure plate (23) fit tightly against the conveyor belt.

10. A document QR code recognition device according to claim 9, characterized in that: It also includes a fixing frame (29) and a second adjusting screw (30); the fixing frame (29) is installed on the transmission frame (1) and located behind the second mounting rod (24), and the second adjusting screw (30) is threadedly connected to the fixing frame (29), and the lower end of the second adjusting screw (30) abuts against the clamping plate (23).

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