Publication sorting method and device

Abstract

The invention provides a publication sorting method and device, and relates to the field of publication sorting, and the publication sorting method comprises the following steps: S1, to-be-sorted publications are placed on a conveying belt; s2, capturing a cover image and a bar code image of the publication by using a camera; s3, scanning and identifying bar code information on the publication by using a two-dimensional image type bar code identifying engine; s4, measuring the three-dimensional size of the publication by adopting a 3D structured light sensor and a laser scanner; s5, transmitting the captured image, the identified bar code information and the measured size data to a control unit for processing, wherein the processing comprises image preprocessing, feature extraction, bar code information analysis and size verification; and S6, the control unit formulates a sorting strategy according to the processing result and generates a control signal. According to the method, the image recognition technology, the bar code scanning recognition technology and the size measurement technology are adopted, so that the cover graph, the bar code information and the size data of the publication can be accurately recognized.

Description

Technical Field

[0001] The present invention relates to the field of publication sorting, and in particular to a publication sorting method and device. Background Art

[0002] In the current publication processing industry, with the continuous increase in the types and quantity of publications, the traditional manual sorting method can no longer meet the needs of efficient and accurate processing; manual sorting is not only labor-intensive and inefficient, but also prone to errors, affecting the timely delivery of publications and readers' experience; therefore, it is particularly important to develop a system that can automatically identify, measure and sort publications;

[0003] However, the existing publication sorting often has the following shortcomings: first, the image recognition technology is not mature enough, and it is difficult to accurately identify the cover graphics of publications; second, the barcode scanning and recognition technology has limitations, and the recognition effect is not good for blurred or damaged barcodes; third, the size measurement technology is not precise enough, and it is impossible to accurately obtain the three-dimensional size information of publications; fourth, the automation control technology is not intelligent enough, and the sorting strategy cannot be flexibly adjusted according to the recognition results.

[0004] For example, the Chinese invention patent (application number: CN202210213048.5) discloses a "clothing sorting method, device, computer-readable medium and electronic device". Its specification discloses: With the continuous improvement of living standards, people update their clothes more frequently. As for the recycling of old clothes, the size of the old clothes is still manually judged according to the size of the clothes, and the clothes are sorted according to the size.

[0005] However, manual judgment of clothing size is not accurate, and improper sorting often occurs, resulting in a mismatch between the actual size of old clothing and the manual sorting, which increases the recycling cost of old clothing and is not conducive to the subsequent processing of clothing. It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to ordinary technicians in the field; the above patents can prove the defects of the prior art.

[0006] Therefore, we have made improvements to this and proposed a publication sorting method and device. Summary of the invention

[0007] The purpose of the present invention is to address the following shortcomings of existing publication sorting: first, the image recognition technology is not mature enough and it is difficult to accurately recognize the cover graphics of publications; second, the barcode scanning and recognition technology has limitations and the recognition effect is poor for blurred or damaged barcodes; third, the size measurement technology is not accurate enough and it is impossible to accurately obtain the three-dimensional size information of publications; fourth, the automation control technology is not intelligent enough and it is impossible to flexibly adjust the sorting strategy according to the recognition results.

[0008] In order to achieve the above-mentioned purpose of the invention, the present invention provides the following publication sorting method and device to improve the above-mentioned problem.

[0009] The specific application is as follows:

[0010] A method for sorting publications comprises the following steps:

[0011] S1: placing the publications to be sorted on the conveyor belt;

[0012] S2: using a camera to capture the cover image and barcode image of the publication;

[0013] S3: Use a two-dimensional image barcode reading engine to scan and recognize the barcode information on the publication;

[0014] S4: Use 3D structured light sensors and laser scanners to measure the three-dimensional dimensions of publications;

[0015] S5: transmitting the captured image, the identified barcode information and the measured size data to the control unit for processing, including image preprocessing, feature extraction, barcode information parsing and size verification;

[0016] S6: The control unit formulates a sorting strategy according to the processing results and generates a control signal;

[0017] S7: The sorting component receives the control signal, accurately moves the publications, and transports them to the target sorting area;

[0018] S8: Record sorting results and provide data analysis and feedback functions.

[0019] As the preferred technical solution of the present application, the image recognition step adopts a convolutional neural network learning algorithm to extract and recognize features of the cover image; the barcode scanning and recognition step adopts the ZBar library and ZXing library decoding algorithm to quickly and accurately decode the barcode, and optimize the scanning speed and recognition rate to meet the sorting requirements of high-speed conveyor belts.

[0020] As the preferred technical solution of the present application, the dimension measurement step utilizes 3D structured light and laser scanning technology to achieve non-contact three-dimensional dimension measurement, and improves the accuracy and stability of dimension measurement by optimizing algorithms and sensor accuracy; the automated control step utilizes motion control algorithms and servo drive technology to achieve precise control of the sorting components, including real-time adjustment of the position, speed and posture of the robotic arm to ensure that publications can be sorted stably and accurately.

[0021] As a preferred technical solution of the present application, the control unit also includes an image processing module, a barcode parsing module, a size verification module and a decision module, which are used to process image data, parse barcode information, verify size data and formulate sorting strategies respectively.

[0022] A publication sorting device comprises a conveying component, wherein the conveying component comprises a first conveyor belt, a detection component for transportation is arranged on one side of the first conveyor belt, and a second conveyor belt is arranged on the other side of the detection component, a material storage component for scanning is installed on the top of one side of the second conveyor belt, the material storage component comprises an equipment frame installed on the top of the second conveyor belt, a top cover is fixedly installed on the top of the equipment frame, and a mounting plate is arranged at intervals on the top of the top cover, and a camera is arranged on the top of the mounting plate.

[0023] As a preferred technical solution of the present application, the material storage component also includes a roller arranged in the inner cavity of the equipment frame, and worm gears are arranged at both ends of the roller, and rings are sleeved on the outer sides of the two groups of worm gears, and a right-angle shaft is fixedly installed on the outer side of the ring, and the two groups of worm gears pass through the side wall of the equipment frame and extend to its outer side, a servo motor is fixedly installed on one side of one group of worm gears, and a turbine is meshed on the inner side of the worm gear. A side groove is opened on the inner side of the equipment frame, and a transport plate is fixedly installed on the inner side of the equipment frame, and the transport plate is arc-shaped, and the other end of which is connected to the detection component.

[0024] As a preferred technical solution of the present application, the detection component includes a detection box, and a rubber sheet and a spring plate are arranged at intervals on the inner side of the detection box, and the rubber sheet and the spring plate are filled with solution. The side wall of the detection box has a rectangular array of right-angle sleeves, and the top of the right-angle sleeves is penetrated by an extension shaft.

[0025] As a preferred technical solution of the present application, a driving motor extending inward is provided at one end of the detection box, a main shaft is fixedly installed at the output end of the driving motor, one end of the outer side of the main shaft is meshed with a track, and two ends of the inner side of the track are symmetrically meshed with secondary shafts, the outer sides of the main shaft and the secondary shaft are arrayed with arc plates, one side of the bottom of the track is arrayed with teeth, and the bottom of the track is sequentially spaced with a first gear, a second gear and a third gear.

[0026] As a preferred technical solution of the present application, a first pull rope is fixedly installed on one end of the first gear, a side plate is fixedly installed on the other end of the first pull rope, and the side plate is socketed with the side of the detection box away from the first conveyor belt; a second pull rope is fixedly installed on one end of the second gear, a material transport plate is spaced apart at the other end of the second pull rope, and one end of the material transport plate is in contact with the inner side of the adjustment plate; a third pull rope is connected to one end of the third gear, and a sealing plate is installed on the other end of the third pull rope.

[0027] As a preferred technical solution of the present application, the outer tube of the detection box is connected to an observation tube, and the observation tube is located between the rubber sheet and the spring plate.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] In the scheme of this application:

[0030] 1. In order to solve the problem that the image recognition technology in the prior art is not mature enough and it is difficult to accurately recognize the cover graphics of publications, and the barcode scanning and recognition technology has limitations and the recognition effect of blurred or damaged barcodes is poor, this application adopts image recognition technology, barcode scanning and recognition technology and size measurement technology to accurately recognize the cover graphics, barcode information and size data of publications;

[0031] 2. In order to solve the problem that the existing technology of size measurement is not accurate enough and cannot accurately obtain the three-dimensional size information of publications, this application uses intelligent automatic control technology, and the system can flexibly adjust the sorting strategy according to the recognition results to adapt to the sorting needs of publications of different types and sizes;

[0032] 3. The main shaft cooperates with the crawler to drive the secondary shaft and the arc plate to rotate, and then the arc plate squeezes the rubber sheet and the spring plate to squeeze the solution filled between them, which solves the problem of complex structure of the adjustment mechanism in the prior art, resulting in increased costs;

[0033] 4. By setting the crawler belt in coordination with the teeth, it is possible to mesh with the first gear, the second gear and the third gear at different speeds and drive them to rotate, thereby driving the publications to move and selectively sorting the publications, solving the problem of manual sorting required when sorting publications in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 A schematic diagram of the structure of a publication sorting method provided in this application;

[0035] Figure 2 A structural flow chart of a publication sorting method provided for this application;

[0036] Figure 3 A schematic diagram of the structure of a publication sorting device provided in this application;

[0037] Figure 4 A schematic diagram of the sorting state structure of a publication sorting device provided in this application;

[0038] Figure 5 A schematic diagram of the stacking state structure of a publication sorting device provided in this application;

[0039] Figure 6 A bottom view of the structure of a publication sorting device provided in this application;

[0040] Figure 7 A schematic diagram of the structure of a material storage component of a publication sorting device provided in this application;

[0041] Figure 8 A schematic diagram of the internal structure of a publication sorting device equipment frame provided in this application;

[0042] Fig. 9 An enlarged view of the connection structure of a worm gear of a publication sorting device provided in the present application;

[0043] Fig.10 A structural cross-sectional view of a detection component of a publication sorting device provided in the present application;

[0044] Fig.11 A bottom view of the connection structure of an adjustment plate of a publication sorting device provided in the present application;

[0045] Fig.12 A schematic diagram of the internal structure of a detection box for a publication sorting device provided in this application;

[0046] Fig.13 A cross-sectional view of the connection structure of a material transport plate of a publication sorting device provided in the present application;

[0047] Fig.14 A schematic diagram of the connection structure of the third pull rope of a publication sorting device provided in this application;

[0048] Fig.15 A cross-sectional view of the connection structure of a back plate of a publication sorting device provided in the present application;

[0049] Fig.16 A schematic diagram of the connection structure of the main shaft of a publication sorting device provided in this application;

[0050] Fig.17 A schematic diagram of the connection structure of a track of a publication sorting device provided in this application.

[0051] Indicated in the figure:

[0052] 1. Conveying assembly; 101. first conveyor belt; 102. second conveyor belt; 103. third conveyor belt;

[0053] 2. Material storage assembly; 201. Equipment rack; 202. Top cover; 203. Side groove; 204. Roller; 205. Worm; 206. Turbine; 207. Threaded rod; 208. Casing; 209. Mounting plate; 210. Camera; 211. Ring; 212. Right-angle shaft; 213. Limiting shaft; 214. Servo motor; 215. Limiting rod; 216. Bottom plate; 217. Transport plate;

[0054] 3. Detection assembly; 301. Detection box; 302. Rubber sheet; 303. Spring plate; 304. Drive motor; 305. Main shaft; 306. Secondary shaft; 307. Arc plate; 308. Track; 309. Tooth; 310. First gear; 311. Second gear; 312. Third gear; 313. First pull rope; 314. Second pull rope; 315. Third pull rope; 316. Side plate; 317. Material transport plate; 318. Sliding shaft; 319. Sliding groove; 320. Reset spring; 321. Feeding groove; 322. Sealing plate; 323. Back groove; 324. Adjustment plate; 325. Right-angle sleeve shaft; 326. Extension shaft; 327. Limiting clamp; 328. Baffle; 329. Observation tube. DETAILED DESCRIPTION

[0055] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0056] As described in the background technology, the existing publication sorting often has the following shortcomings: first, the image recognition technology is not mature enough, and it is difficult to accurately identify the cover graphics of the publication; second, the barcode scanning and recognition technology has limitations, and the recognition effect is not good for blurred or damaged barcodes; third, the size measurement technology is not accurate enough, and it is impossible to accurately obtain the three-dimensional size information of the publication; fourth, the automation control technology is not intelligent enough, and the sorting strategy cannot be flexibly adjusted according to the recognition results.

[0057] In order to solve this technical problem, the present invention provides a publication sorting method and device, which are applied to automatic sorting of publications.

[0058] Specifically, please refer to Figure 1-Figure 17 The publication sorting method specifically comprises the following steps:

[0059] S1: placing the publications to be sorted on the conveyor belt;

[0060] S2: using a camera to capture the cover image and barcode image of the publication;

[0061] S3: Use a two-dimensional image barcode reading engine to scan and recognize the barcode information on the publication;

[0062] S4: Use 3D structured light sensors and laser scanners to measure the three-dimensional dimensions of publications;

[0063] S5: transmitting the captured image, the identified barcode information and the measured size data to the control unit for processing, including image preprocessing, feature extraction, barcode information parsing and size verification;

[0064] S6: The control unit formulates a sorting strategy according to the processing results and generates a control signal;

[0065] S7: The sorting component receives the control signal, accurately moves the publications, and transports them to the target sorting area;

[0066] S8: Record sorting results and provide data analysis and feedback functions.

[0067] The publication sorting method provided by the present invention can accurately identify the cover graphics, barcode information and size data of the publications by adopting the image recognition technology, barcode scanning recognition technology and size measurement technology.

[0068] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0069] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0070] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0071] Example 1, please refer to Figure 1 and Figure 2 A publication sorting method, wherein the image recognition step adopts a convolutional neural network learning algorithm to extract and recognize features of the cover image; the barcode scanning and recognition step adopts the ZBar library and ZXing library decoding algorithm to quickly and accurately decode the barcode, and optimizes the scanning speed and recognition rate to meet the sorting requirements of the high-speed conveyor belt.

[0072] Please refer to Figure 1 and Figure 2 , a publication sorting method, wherein the size measurement step uses 3D structured light and laser scanning technology to achieve non-contact three-dimensional size measurement, and improves the accuracy and stability of size measurement by optimizing algorithms and sensor precision; the automatic control step uses motion control algorithms and servo drive technology to achieve precise control of sorting components, including real-time adjustment of the position, speed and posture of the robotic arm to ensure stable and accurate sorting of publications.

[0073] Further, such as Figure 1 and Figure 2 As shown, the control unit also includes an image processing module, a barcode parsing module, a size verification module and a decision module, which are used to process image data, parse barcode information, verify size data and formulate sorting strategies respectively.

[0074] Through intelligent automatic control technology, the system can flexibly adjust the sorting strategy according to the recognition results to adapt to the sorting needs of publications of different types and sizes.

[0075] Example 2, please refer to Figure 3 , Figure 4 , Figure 5 and Figure 6 A publication sorting device includes a conveying component 1, which includes a first conveyor belt 101. A detection component 3 for transportation is arranged on one side of the first conveyor belt 101, and a second conveyor belt 102 is arranged on the other side of the detection component 3. The second conveyor belt 102 is arc-shaped, and the detection component 3 is located on the inner side of the second conveyor belt 102. A storage component 2 for scanning is installed on the top of one side of the second conveyor belt 102. A third conveyor belt 103 is arranged on the other side of the second conveyor belt 102. The third conveyor belt 103 is arranged downwardly inclined. The storage component 2 includes an equipment rack 201 arranged on one side of the second conveyor belt 102, and the bottom of the inner cavity of the equipment rack 201 is arranged downwardly inclined. The side of the equipment rack 201 close to the first conveyor belt 101 is opened. A top cover 202 is fixedly installed on the top of the equipment rack 201, and a mounting plate 209 is arranged at intervals on the top of the top cover 202. A camera 210 is arranged on the top of the mounting plate 209.

[0076] Embodiment 3 further optimizes the publication sorting device provided in Embodiment 1 or 2. Specifically, Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9As shown, the material storage component 2 also includes a roller 204 arranged in the inner cavity of the equipment frame 201, and the roller 204 is located on one side of the opening of the equipment frame 201. Worms 205 are arranged at both ends of the roller 204. The outer sides of the two groups of worms 205 are sleeved with collars 211. The outer sides of the collars 211 are fixedly installed with right-angle shafts 212. The side walls of the right-angle shafts 212 are penetrated. The two groups of worms 205 penetrate the side walls of the equipment frame 201 and extend to the outside thereof. The two sides of the equipment frame 201 are symmetrically installed with limit shafts 213. The limit shafts 213 are vertically distributed with the right-angle shafts 212, and the limit shafts 213 penetrate the right-angle shafts 212. A servo motor 214 is fixedly installed on one side of a worm gear 205, a turbine 206 is meshed on the inner side of the worm gear 205, an axle rod extends from the bottom of the turbine 206 and is sleeved with the bottom of the inner cavity of the equipment frame 201, a threaded rod 207 is fixedly installed on the top of the turbine 206, a sleeve 208 is threadedly sleeved on the outer side of the threaded rod 207, the sleeve 208 passes through the top cover 202 and is fixedly connected to the bottom of the mounting plate 209. A side groove 203 is opened on the inner side of the equipment frame 201, and a transport plate 217 is fixedly installed on the inner side of the equipment frame 201. The transport plate 217 is arc-shaped, and the other end thereof is connected to the detection component 3.

[0077] Both sides of the equipment frame 201 are provided with sliding grooves, and the sliding grooves match the worm 205. The top of the inner side of the sliding groove also has a spring, and is connected to the bottom of the worm 205, so as to facilitate the worm 205 to reset when sliding, and provide limiting resistance when it does not slide. The two sides of the bottom of the servo motor 214 are penetrated by a limiting rod 215. The outer side of the limiting rod 215 is also sleeved with a spring. The bottom of the spring is connected to the bottom of the servo motor 214, and the top is connected to the limiting rod 215. The bottom of the servo motor 214 A bottom plate 216 is arranged at an interval, the top of the bottom plate 216 is fixedly connected to the bottom of the limiting rod 215, and the side wall of the bottom plate 216 is fixedly connected to the outer side of the equipment frame 201. The limiting rod 215 and the spring are arranged to facilitate the servo motor 214 to be reset after it moves, and the turbine 206 is engaged with the worm 205 to facilitate the threaded rod 207 to rotate, thereby pushing the mounting plate 209 and the camera 210 to move through the sleeve 208, thereby changing the height of the camera 210 and facilitating scanning of different positions.

[0078] Example 4, please refer to Fig.10 , Fig.11 Fig.12 , Fig.13 , Fig.14 , Fig.15 , Fig.16 and Fig.17A publication sorting device, whose detection component 3 includes a detection box 301, a rubber sheet 302 and a spring plate 303 are arranged at intervals on the inner side of the detection box 301, the rubber sheet 302 and the spring plate 303 are filled with solution, the side wall rectangular array of the detection box 301 has a right-angle sleeve shaft 325, the top of the right-angle sleeve shaft 325 is penetrated by an extension shaft 326, the top of the extension shaft 326 is spherical, and the top of the extension shaft 326 is spaced apart by an adjustment plate 324.

[0079] The adjusting plate 324 is located between the first conveyor belt 101 and the second conveyor belt 102, and a connecting ball rod extends from the bottom of the adjusting plate 324, and the adjusting plate 324 is sleeved on the top of the extension shaft 326 through the connecting ball rod. The spherical sleeve connection facilitates the adjustment of the angle of the adjusting plate 324, and a valve body is provided on the outer side of the right-angle sleeve 325. The two ends of the adjusting plate 324 close to the first conveyor belt 101 are sleeved with limiting clamps 327, and the limiting clamps 327 are fixedly connected to the first conveyor belt 101, and the limiting clamps 327 are provided to limit the adjusting plate 324.

[0080] Furthermore, Fig.10 , Fig.11 Fig.12 , Fig.13 , Fig.14 , Fig.15 , Fig.16 and Fig.17 A driving motor 304 extending inward is provided at one end of the detection box 301, a main shaft 305 is fixedly installed at the output end of the driving motor 304, a crawler 308 is meshed at one end of the outer side of the main shaft 305, and two ends of the inner side of the crawler 308 are symmetrically meshed with secondary shafts 306, arc plates 307 are arrayed on the outer sides of the main shaft 305 and the secondary shaft 306, teeth 309 are arrayed on one side of the bottom of the crawler 308, and the first gear 310, the second gear 311 and the second gear 312 are sequentially spaced at the bottom of the crawler 308. The first gear 310, the second gear 311 and the third gear 312 are all provided with connecting shafts at one end, and they are all connected to the inner wall of the detection box 301 through a torsion spring. The top of the crawler 308 is symmetrically provided with baffles 328, and the baffles 328 are fixedly connected to the inner wall of the detection box 301. The baffles 328 cooperate with the first gear 310, the second gear 311 and the third gear 312 to limit the crawler 308.

[0081] The secondary shaft 306, the arc plate 307 and the teeth 309 are driven to rotate by the driving motor 304 in cooperation with the main shaft 305 and the track 308 meshing therewith. During the movement of the teeth 309, they will respectively mesh with the first gear 310, the second gear 311 and the third gear 312, thereby driving them to rotate in turn.

[0082] Furthermore, Fig.10 , Fig.11 Fig.12 , Fig.13 , Fig.14 , Fig.15 , Fig.16 and Fig.17 A first pull rope 313 is fixedly installed on one end of the first gear 310, and the first pull rope 313 passes through the side wall of the detection box 301 to its outside, and a side plate 316 is fixedly installed on the other end of the first pull rope 313, and the side plate 316 is sleeved on the side of the detection box 301 away from the first conveyor belt 101, and the bottom of the side plate 316 is connected to the side wall of the detection box 301 through a torsion spring, and a second pull rope 314 is fixedly installed on one end of the second gear 311, and the second pull rope 314 passes through the other side of the detection box 301 along the inner wall of the detection box 301, and a material transport plate 317 is arranged at intervals on the other end of the second pull rope 314, and one end of the material transport plate 317 contacts the inner side of the adjustment plate 324, and a sliding shaft 318 is symmetrically installed on the inner side of the material transport plate 317, and a sliding groove 319 is symmetrically provided on the outer side of the detection box 301, and a feeding groove 321 is arranged at intervals on the top of the sliding groove 319, and the feeding groove 321 is arranged at intervals on the top of the feeding groove 321. The third gear 312 is connected to the third pull rope 315, and the third pull rope 315 runs along the inner wall of the detection box 301 to the back of the detection box 301. The other end of the third pull rope 315 is installed with a sealing plate 322. The back of the detection box 301 is penetrated by a back groove 323, and the back groove 323 matches the transport plate 217. A slider extends from the inner side of the sealing plate 322. A spring is fixedly installed at the bottom of the slider, and a limit connecting rod is set at the middle of the slider. A slider groove corresponding to the slider is opened at the back of the detection box 301, and the bottom of the slider groove is connected to the spring and the limit connecting rod.

[0083] By providing a torsion spring and a spring, the first gear 310, the second gear 311 and the third gear 312 are reset, thereby driving the corresponding first pull rope 313, the second pull rope 314 and the third pull rope 315 to reset.

[0084] Furthermore, Fig.10 , Fig.11 Fig.12 , Fig.13 , Fig.14 , Fig.15 , Fig.16 and Fig.17 The outer tube of the detection box 301 is connected to an observation tube 329, which is bent and located between the rubber sheet 302 and the spring plate 303.

[0085] By providing the observation tube 329 and observing the water level change inside it, it is convenient to know the weight of the publication inside the detection box 301, and then judge whether it meets the standard.

[0086] The use process of the publication sorting method and device provided by the present invention is as follows:

[0087] First, the device is placed at an appropriate position, and the publications to be sorted are placed on the first conveyor belt 101, and transported to the top of the adjustment plate 324 through the first conveyor belt 101. At this time, the publications are scanned by the camera 210 to determine whether the size and cover of the publications are qualified;

[0088] If the publication is unqualified, the two groups of right-angle sleeve shafts 325 at one end away from the inspection box 301 are opened, and the driving motor 304 is started in the positive direction. The driving motor 304 drives the main shaft 305 and the secondary shaft 306 to rotate through the crawler belt 308, thereby driving the arc plate 307 installed on the outside to rotate. The rotation of the arc plate 307 squeezes the spring plate 303 at the bottom, making the spring plate 303 bend, and then presses the liquid under the spring plate 303 into the inside of the right-angle sleeve shaft 325, thereby pushing the extension shaft 326 to rise, thereby pushing the adjustment plate 324 to tilt, so that the publication with problems is transported to the top of the material transport plate 317;

[0089] At this time, the driving motor 304 is started in reverse, so that the arc plate 307 and the regulating plate 324 are reset, and the publications are continuously transmitted until the next group of publications with problems appears;

[0090] At this time, the driving motor 304 is started in the positive direction, the two groups of right-angle sleeve shafts 325 close to the side of the material storage component 2 are opened, and the above steps are repeated to make the adjustment plate 324 tilt toward the direction of the equipment frame 201. At this time, when the adjustment plate 324 tilts, it will push the right-angle shaft 212 symmetrically arranged on one side of the equipment frame 201, and under the limit of the limit shaft 213, the right-angle shaft 212 cooperates with the sleeve ring 211 to drive the worm 205 and the roller 204 and the servo motor 214 to move upward. During the upward movement, the servo motor 214 will be squeezed upward under the action of the limit rod 215 and the spring on its outer side until the arc plate 307 rotates to a vertical state. At this time, the adjustment plate 324 tilts to the maximum angle and pushes the worm 205 and the roller 204 to rise to the highest point. At this time, the side wall of the adjustment plate 324 contacts the side wall of the equipment frame 201, and the worm 205 is separated from the turbine 206.

[0091] The publication continues to move and is transported to one side of the equipment rack 201 through the adjustment plate 324. At this time, the servo motor 214 is started, and the servo motor 214 drives the roller 204 to rotate through the worm 205, thereby transporting the publication moved to the equipment rack 201. After the publication enters the equipment rack 201, it will be transported to the back of the inspection box 301 through the transport plate 217 under the action of the inclined plate at the bottom of its inner cavity;

[0092] When the publication is moved to the inside of the equipment rack 201, the above steps are repeated to reset the adjustment plate 324 and continue to transport the publication. At this time, all the right-angle sleeve shafts 325 are closed and the drive motor 304 is started in the positive direction. The drive motor 304 drives the secondary shaft 306 and the arc plate 307 to rotate continuously through the main shaft 305 and the crawler belt 308. As the crawler belt 308 is continuously driven, the teeth 309 arranged in an array on one side of the bottom of the crawler belt 308 are constantly approaching the first gear 310 until they are meshed with it. At this time, the crawler belt 308 drives the first pull rope 313 fixedly connected at one end thereof to be wound through the first gear 310, thereby passing through the first pull rope 313. A pull rope 313 pulls the side plate 316 to rotate, thereby opening the discharge chute. As the teeth 309 continue to move, after separating from the first gear 310, the first gear 310 is connected to the inner wall torsion spring of the detection box 301 through the extension rod at one end thereof, and the bottoms of both sides of the side plate 316 are also connected to the side wall torsion spring of the detection box 301, so it will be reset under the action of the torsion spring. Similarly, as the teeth 309 continue to move, they mesh with the second gear 311 and the third gear 312, and then the second pull rope 314 and the third pull rope 315 pull the material transport plate 317 and the sealing plate 322 connected thereto in turn;

[0093] When the second pull rope 314 pulls the material transporting plate 317, the material transporting plate 317 tilts around the outer side of the detection box 301 under the limit of the sliding shaft 318, the sliding groove 319 and the return spring 320. When the material transporting plate 317 moves to the highest point, its inner side is flush with the feeding groove 321. At this time, the publications on the top of the material transporting plate 317 slide to the top of the rubber sheet 302 installed in the inner cavity of the detection box 301, and squeeze the rubber sheet 302, pressing the solution at the bottom of the rubber sheet 302 into the inside of the observation tube 329, and then judging whether the weight of the publications meets the standard by observing the liquid level inside;

[0094] Regardless of whether the standard is met, the teeth 309 accelerates to move forward and quickly pulls up the sealing plate 322 through the third pull rope 315. At this time, the publication slides along the transport plate 217 and begins to pass through the back groove 323. The teeth 309 accelerate to move, so that the teeth 309 quickly separate from the third gear 312. At this time, the sealing plate 322 quickly moves down under the reaction force of the spring on its inner side, and then the publication clamping column that has not completely entered the interior of the detection box 301 is prevented from moving through the sealing plate 322;

[0095] At this time, as the arc plate 307 rotates continuously and scrapes the rubber sheet 302, the publications that have been inspected in the inspection box 301 are continuously pushed to the side plate 316 until the teeth 309 rotate one circle and mesh with the first gear 310 again. At this time, the side plate 316 is opened, and the publications are transported out of the inspection box 301. During this process, if there are defects in the publications that need to be removed, the crawler belt 308 is rotated quickly to make the teeth 309 quickly mesh with the first gear 310 and drive them to rotate, so that the side plate 316 is fully opened in the shortest time. In this state, one end of the side plate 316 is located at the bottom of the third conveyor belt 103. However, since the first gear 310 rotates too fast, the arc plate 307 cannot transport the publication to the top of the side plate 316 in the first time, and then when the publication moves to the top of the side plate 316, it will slide along the side plate 316 to the bottom of the third conveyor belt 103. If there is no problem with the publication, the teeth 309 are slowly moved to slowly drive the first gear 310 to mesh, thereby ensuring that the publication is in contact with the top surface of the side plate 316 when it is not fully unfolded. As the side plate 316 is continuously unfolded until it tilts to one side of the top of the third conveyor belt 103, the publication is just transported to the top of the third conveyor belt 103 along the side plate 316.

[0096] The above steps are repeated repeatedly in this way, and the publications on the top of the material conveying plate 317 and the transporting plate 217 are inspected in turn.

[0097] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; 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, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0098] Obviously, the embodiments described above are only some embodiments of the present invention, rather than all embodiments. The preferred embodiments of the present invention are given in the accompanying drawings, but they do not limit the patent scope of the present invention. The present invention can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive. Although the present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific embodiments, or to perform equivalent replacements for some of the technical features therein. Any equivalent structure made using the contents of the specification and drawings of the present invention, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the present invention.

Claims

1. A method for sorting publications, characterized in that: The following steps are involved: S1: placing the publications to be sorted on the conveyor belt; S2: using a camera to capture the cover image and barcode image of the publication; S3: Use a two-dimensional image barcode reading engine to scan and recognize the barcode information on the publication; S4: Use 3D structured light sensors and laser scanners to measure the three-dimensional dimensions of publications; S 5: transmitting the captured image, the identified barcode information and the measured size data to the control unit for processing, including image preprocessing, feature extraction, barcode information parsing and size verification; S6: The control unit formulates a sorting strategy according to the processing results and generates a control signal; S 7: The sorting component receives the control signal, moves the publications accurately, and delivers them to the target sorting area; S8: Record sorting results and provide data analysis and feedback functions.

2. A method for sorting publications according to claim 1, characterized in that: The image recognition step adopts a convolutional neural network learning algorithm to extract and recognize features of the cover image; the barcode scanning and recognition step adopts the ZBar library and ZXing library decoding algorithms to quickly and accurately decode the barcode, and optimize the scanning speed and recognition rate to meet the sorting requirements of the high-speed conveyor belt.

3. A method for sorting publications according to claim 2, characterized in that: The dimension measurement step utilizes 3D structured light and laser scanning technology to achieve non-contact three-dimensional dimension measurement, and improves the accuracy and stability of dimension measurement by optimizing algorithms and sensor precision; the automated control step utilizes motion control algorithms and servo drive technology to achieve precise control of the sorting components, including real-time adjustment of the position, speed and posture of the robotic arm to ensure that publications can be sorted stably and accurately.

4. A method for sorting publications according to claim 3, characterized in that: The control unit also includes an image processing module, a barcode parsing module, a size verification module and a decision module, which are used to process image data, parse barcode information, verify size data and formulate sorting strategies respectively.

5. A publication sorting device, using the publication sorting method according to claim 4, characterized in that: The invention comprises a conveying component (1), wherein the conveying component (1) comprises a first conveyor belt (101), a detection component (3) for transporting is arranged on one side of the first conveyor belt (101), and a second conveyor belt (102) is arranged on the other side of the detection component (3), and a material storage component (2) for scanning is installed on the top of one side of the second conveyor belt (102). The material storage component (2) comprises an equipment frame (201) installed on the top of the second conveyor belt (102), a top cover (202) is fixedly installed on the top of the equipment frame (201), and a mounting plate (209) is arranged at intervals on the top of the top cover (202), and a camera (210) is arranged on the top of the mounting plate (209).

6. A publication sorting device according to claim 5, characterized in that: The material storage component (2) further comprises a roller (204) arranged in the inner cavity of the equipment frame (201), worms (205) are arranged at both ends of the roller (204), sleeves (211) are sleeved on the outer sides of the two groups of worms (205), a right-angle shaft (212) is fixedly installed on the outer side of the sleeve (211), the two groups of worms (205) penetrate the side wall of the equipment frame (201) and extend to the outer side thereof, a servo motor (214) is fixedly installed on one side of one group of worms (205), a turbine (206) is meshed on the inner side of the worms (205), a side groove (203) is opened on the inner side of the equipment frame (201), and a transport plate (217) is fixedly installed on the inner side of the equipment frame (201), and the transport plate (217) is fixedly installed on the inner side of the equipment frame (201). 7) is arc-shaped, and the other end thereof is connected to the detection component (3).

7. A publication sorting device according to claim 6, characterized in that: The detection assembly (3) comprises a detection box (301), a rubber sheet (302) and a spring plate (303) are arranged at intervals inside the detection box (301), the rubber sheet (302) and the spring plate (303) are both filled with a solution, and a rectangular array of right-angle sleeve shafts (325) are arranged on the side wall of the detection box (301), and an extension shaft (326) is arranged through the top of each of the right-angle sleeve shafts (325).

8. A publication sorting device according to claim 7, characterized in that: One end of the detection box (301) is provided with a driving motor (304) extending inward, the output end of the driving motor (304) is fixedly mounted with a main shaft (305), one end of the outer side of the main shaft (305) is meshed with a crawler (308), two ends of the inner side of the crawler (308) are symmetrically meshed with secondary shafts (306), the outer sides of the main shaft (305) and the secondary shaft (306) are arrayed with arc plates (307), one side of the bottom of the crawler (308) is arrayed with teeth (309), and the bottom of the crawler (308) is sequentially spaced with a first gear (310), a second gear (311) and a third gear (312).

9. A publication sorting device according to claim 8, characterized in that: A first pull rope (313) is fixedly installed on one end of the first gear (310), a side plate (316) is fixedly installed on the other end of the first pull rope (313), and the side plate (316) is sleeved with a side of the detection box (301) away from the first conveyor belt (101); a second pull rope (314) is fixedly installed on one end of the second gear (311), a material transport plate (317) is arranged at intervals on the other end of the second pull rope (314), and one end of the material transport plate (317) contacts the inner side of the adjustment plate (324); one end of the third gear (312) is connected to a third pull rope (315), and a sealing plate (322) is installed on the other end of the third pull rope (315).

10. A publication sorting device according to claim 9, characterized in that: The outer tube of the detection box (301) is connected to an observation tube (329), and the observation tube (329) is located between the rubber sheet (302) and the spring plate (303).

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