Automatic file sorting equipment based on machine vision

Abstract

The invention relates to the technical field of sorting equipment, and discloses automatic file sorting equipment based on machine vision, which comprises a machine base and a file bag, and further comprises a conveyor and a servo motor which are fixedly connected to the top of the machine base, two straight plates fixedly connected with the conveyor, a hollow strip positioned between two reinforcing plates, and a plurality of clamping plates fixedly connected with the straight plates, one end of the linkage piece extends into the turnover shell to be slidably connected with the reinforcing plates, when the turnover shell is in a horizontal state, the two reinforcing plates are located on the upper left portion and the lower right portion in the turnover shell respectively, and when the front side and the rear side of the file cover are completely located in the turnover shell, the servo motor enables the file cover to stably turn over through the turnover shell and the reinforcing plates. The conveyor is driven by the driving motor to operate, the portfolio is controlled to enter orderly in cooperation with the spacer, then the turnover shell is driven by the servo motor to achieve automatic turnover of the portfolio, manual intervention is not needed in the whole process, a large number of files can be rapidly processed, and the efficient sorting requirement of file management is met.

Description

Technical Field

[0001] The present invention relates to the technical field of sorting equipment, and in particular, to an automatic file sorting equipment based on machine vision. Background Art

[0002] In the field of file management, files stored for a long time will be transferred in large quantities due to demand. Therefore, before file transfer, the sorting work is an important link to ensure the efficient management and safe storage of files.

[0003] However, in the prior art, traditional file sorting methods mainly rely on manual operation or semi-manual and semi-automatic equipment. When sorting manually, staff need to identify file categories with the naked eye and judge whether there are problems such as damage and mildew in the files. This not only has low work efficiency and is difficult to meet the need for rapid sorting of a large number of files, but also easily causes visual fatigue during long-term work, resulting in an increase in the sorting error rate and making it difficult to ensure the accuracy of file classification and problem detection.

[0004] In institutions such as archives, files are usually classified according to certain rules, such as year, type, department, etc. For the same category, in order to ensure the neat and orderly storage of files and improve space utilization, the archives department usually requires that files follow a unified standard when being bound and bagged, so that the files are neatly arranged in the compact shelves or file cabinets for easy and quick searching and access. Therefore, the thickness difference of file bags in the same area is relatively small. At present, when sorting, an automated sorting structure is introduced, such as semi-manual and semi-automatic equipment. However, such equipment can only process and detect a single-sided area of the file bag and requires manual assistance for flipping, which is very inconvenient. The addition of the manual intervention link makes the sorting process unable to achieve full automation, seriously reducing the overall sorting efficiency. Another type is a fully automatic sorting equipment based on a multi-axis collaborative robotic arm. However, in the hardware cost of such equipment, servo motors, reducers, and controller systems account for a relatively large proportion, resulting in a high overall cost of the machine. At the same time, its transmission accuracy is easily affected by environmental factors and requires regular professional calibration and maintenance, increasing the maintenance cost and difficulty of the equipment. Or a scheme combining multiple cylinders and motors is adopted. When the file bag reaches a specific position, other components are used to pick up the file bag, and then the motor is used to drive the file bag to flip. However, the cost of multiple cylinders and motors themselves is relatively high. At the same time, installing more drivers will cause a greater burden on the sorting equipment. Moreover, when the cylinders are used for a long time, their response speed is affected by factors such as air pressure fluctuation delay, resulting in difficulty in accurately synchronizing the cylinders with each other during operation, and easily causing the file bag to fall off and skew during flipping, affecting the continuity and stability of the file sorting work. Summary of the Invention

[0005] The purpose of the present invention is to provide an automatic file sorting equipment based on machine vision to solve the problem of inconvenient comprehensive detection and sorting of file bags.

[0006] The technical solution of the present invention is as follows: An automatic file sorting device based on machine vision, including a machine base and a file bag, further includes a conveyor and a servo motor fixedly connected to the top of the machine base, two straight plates fixedly connected to the conveyor, a flipping shell rotatably connected to the straight plates, a reinforcing plate and a hollow strip slidably connected inside the flipping shell, a linkage member arranged inside the flipping shell, and two detectors, detection members, pressing wheel frames and blocking wheel frames fixedly connected to the top of the conveyor. The output end of the servo motor is connected to the flipping shell. There are two reinforcing plates arranged inside the flipping shell. The hollow strip is located between the two reinforcing plates. One end of the linkage member extends into the flipping shell and is slidably connected to the reinforcing plate. When the flipping shell is in a horizontal state, the two reinforcing plates are respectively located in the upper left and lower right inside the flipping shell. When the front and rear sides of the file bag are completely located inside the flipping shell, the servo motor makes the file bag flip stably through the flipping shell and the reinforcing plate.

[0007] Furthermore, the number and position of the linkage members correspond to those of the reinforcing plates. The reinforcing plates are provided with inclined slot openings. A strip-shaped soft plate is arranged on the side of the reinforcing plate close to the hollow strip. The length of the strip-shaped soft plate is equal to the length of the file bag. The height of the hollow strip is not less than the height of the file bag.

[0008] Furthermore, the linkage member includes a round shaft slidably connected inside the flipping shell, an arc block fixedly connected to the round shaft, and a strong spring connected between the round shaft and the arc block. The flipping shell is provided with a straight slot opening. The round shaft passes through the straight slot opening and the inclined slot opening. The side of the arc block away from the strong spring is set as an arc surface.

[0009] Furthermore, a limiting rod is arranged inside the flipping shell. The reinforcing plate is slidably connected to the outside of the limiting rod. Two roller groups are arranged inside the flipping shell. The two roller groups are respectively located above and below the hollow strip, and are respectively located on the left and right sides of the corresponding reinforcing plates. A guiding rod is arranged in the middle of the flipping shell. The hollow strip is slidably connected to the outside of the guiding rod.

[0010] Furthermore, the two straight plates, the detection members, the pressing wheel frames and the blocking wheel frames are all symmetric about the central axis of the conveyor. The number and position of the flipping shells correspond to those of the straight plates. The pressing wheel frames and the blocking wheel frames are respectively located on the left and right sides of the flipping shell. A transmission belt is sleeved between the output end of the servo motor and the flipping shell.

[0011] Furthermore, a first runner is arranged at one end of the pressing wheel frame close to the flipping shell. A second runner is arranged at one end of the blocking wheel frame close to the flipping shell. The first runner is located above the second runner. When the flipping shell is in a horizontal state, the first runner and the second runner are respectively in contact with the corresponding arc blocks, and the strong spring is in a compressed state.

[0012] Furthermore, two blocking plates are provided at the top of the conveyor and are symmetric about the central axis of the conveyor. A double roller is provided at one end of the conveyor, the middle part of the conveyor is a conveyor belt, and the distance between the bottom end of the double roller and the conveyor belt is equal to the height of the file bag.

[0013] Furthermore, a spacer, a first push rod, a second push rod, a driving motor, a first storage table and a second storage table are provided on the top of the machine base. The spacer is located at one end of the conveyor near the double roller, the output end of the driving motor is connected to the conveyor, the first storage table is located at the other end of the conveyor, and there are two second storage tables.

[0014] Furthermore, the two detectors are respectively located on the left side and the right side of the flipping shell. The detector on the left side is coupled to the first push rod, and the detector on the right side and the two detecting members are both coupled to the second push rod.

[0015] Furthermore, the detector includes a bracket fixedly connected to the conveyor and a feedback device fixedly connected to the bracket. The bottom end to the top end of the feedback device is inclined towards the direction close to the double roller.

[0016] Advantages of the present invention: The driving motor drives the conveyor to operate, and cooperates with the spacer to control the orderly entry of file bags. Then, the servo motor drives the flipping shell to realize the automatic flipping of file bags, and the detectors located on both sides of the flipping shell complete double-sided detection. At the same time, the first push rod and the second push rod are used for sorting. The whole process does not require manual intervention, can quickly process a large number of files, and meets the high-efficiency sorting requirements of file management.

[0017] By setting the detecting members and the feedback device, using the inclination angle of the feedback device, and cooperating with the double-feedback device layout on the left side and the right side of the flipping shell, the top surface and the left and right vertical surfaces of the file bag can be comprehensively and repeatedly detected, greatly reducing the detection error rate, ensuring the accuracy and continuity of the file sorting work, and effectively improving the sorting quality.

[0018] Driven by a single servo motor and cooperating with the linkage members to realize the stable flipping of file bags, it reduces the hardware cost, reduces the maintenance requirements caused by complex structures, ensures high compatibility, is convenient for quickly integrating into existing equipment, and can be achieved through simple mechanical connection and equipment startup time control. There is no need to carry out large-scale transformation of existing equipment, greatly shortening the equipment integration cycle and reducing the system upgrade cost. Description of the Drawings

[0019] Figure 1 It is a three-dimensional structure schematic diagram of the automatic file sorting device based on machine vision of the present invention; Figure 2 It is a structure schematic diagram of the push rod and the storage table of the present invention; Figure 3 Schematic structural diagram of the conveyor of the present invention; Figure 4 Schematic structural diagram of the hollow strip of the present invention; Figure 5 Schematic structural diagram of the linkage member of the present invention; Figure 6 Schematic structural diagram of the pressure wheel frame of the present invention; Figure 7 Schematic structural diagram of the flipping shell of the present invention; Figure 8 Schematic structural diagram of the detector of the present invention; Figure 9 Top view of the conveyor of the present invention.

[0020] In the figure: 1, machine base; 101, spacer; 102, first push rod; 103, second push rod; 104, drive motor; 105, first storage table; 106, second storage table; 2, conveyor; 21, blocking plate; 22, double rollers; 201, conveyor belt; 3, servo motor; 31, transmission belt; 4, straight plate; 5, flipping shell; 51, limiting rod; 52, roller group; 53, guiding rod; 6, reinforcing plate; 61, inclined slot; 601, strip-shaped flexible plate; 7, hollow strip; 8, linkage member; 81, round shaft; 82, arc block; 83, strong spring; 9, detector; 91, bracket; 92, feedback device; 10, detection member; 11, pressure wheel frame; 111, first runner; 12, blocking wheel frame; 121, second runner; 13, file bag. Detailed implementation manners

[0021] To make the above objects, features and advantages of the present invention more obvious and understandable, the following detailed description of the specific implementation manners of the present invention will be given in conjunction with the accompanying drawings of the specification.

[0022] Refer to Figures 1 - 9, for an embodiment of the present invention, there is provided an automatic file sorting device based on machine vision, including a machine base 1 and a file bag 13, further including a conveyor 2 and a servo motor 3 fixedly connected to the top of the machine base 1, two straight plates 4 fixedly connected to the conveyor 2, a flipping shell 5 rotatably connected to the straight plate 4, a reinforcing plate 6 and a hollow bar 7 slidably connected inside the flipping shell 5, a linkage member 8 provided inside the flipping shell 5, and two detectors 9, detection members 10, pressure wheel frames 11 and blocking wheel frames 12 fixedly connected to the top of the conveyor 2. The output end of the servo motor 3 is connected to the flipping shell 5. There are two reinforcing plates 6 provided inside the flipping shell 5. The sliding directions of the reinforcing plate 6 and the hollow bar 7 are perpendicular. If the reinforcing plate 6 slides vertically, the hollow bar 7 slides horizontally. Therefore, their sliding directions are perpendicular. The hollow bar 7 is located between the two reinforcing plates 6. One end of the linkage member 8 extends into the flipping shell 5 and is slidably connected to the reinforcing plate 6. When the flipping shell 5 is in a horizontal state, the two reinforcing plates 6 are respectively located in the upper left and lower right inside the flipping shell 5. When the front and rear sides of the file bag 13 are completely located inside the flipping shell 5, the servo motor 3 makes the file bag 13 flip stably through the flipping shell 5 and the reinforcing plate 6.

[0023] Specifically, the file bag 13 enters the conveyor 2, is detected by the detector 9 and the detection member 10, and then the servo motor 3 drives the flipping shell 5 to realize the automatic flipping of the file bag 13. The whole process does not require manual intervention, avoiding the problems of low efficiency and easy fatigue and errors in manual sorting, and also getting rid of the limitation of manual assistance for flipping in semi-manual semi-automatic equipment. It greatly improves the sorting efficiency of the file bag 13, can meet the needs of a large number of fast sorting, solves the problems of identifying file categories and detecting damage and mildew of files, greatly reduces the error rate, ensures the accuracy of file classification and problem detection, reduces the equipment cost without excessive driving, uses a single servo motor 3 to achieve stable flipping, reduces the maintenance cost and the burden on the sorting equipment, ensures the continuity, stability and synchronization of the sorting work of the file bag 13, and effectively improves the sorting quality.

[0024] Refer to Figures 1 - 7 , the number and position of the linkage member 8 correspond to those of the reinforcing plate 6. An inclined slot 61 is opened on the reinforcing plate 6. A strip-shaped soft plate 601 is provided on one side of the reinforcing plate 6 close to the hollow bar 7. The length of the strip-shaped soft plate 601 is equal to the length of the file bag 13. The height of the hollow bar 7 is not less than the height of the file bag 13, so that the file bag 13 can always enter the inside of the flipping shell 5.

[0025] Among them, when the flipping shell 5 rotates to drive the file bag 13, the file bag 13 will be affected by the rotational force and inertia, and thus its position will shift, affecting subsequent detection.

[0026] Specifically, the contact surface between the strip flexible board 601 and the file bag 13 is treated with high friction, that is, rough textures are set. These textures are distributed in regular or irregular concave and convex shapes, increasing the contact area and friction force with the surface of the file bag 13. After the file bag 13 enters the flipping shell 5, the strip flexible board 601 closely adheres to the file bag 13, more effectively preventing the file bag 13 from shifting and sliding during the flipping process.

[0027] Refer to Figures 3 - 7 , the linkage member 8 includes a round shaft 81 slidably connected inside the flipping shell 5, an arc block 82 fixedly connected to the round shaft 81, and a strong spring 83 connected between the round shaft 81 and the arc block 82. A straight slot is opened on the flipping shell 5, the round shaft 81 passes through the straight slot and the inclined slot 61, and the side of the arc block 82 away from the strong spring 83 is set as an arc surface.

[0028] Among them, when the flipping shell 5 is in a horizontal state, for the inclined slot 61 of the upper left reinforcing plate 6, its right end gradually slopes upward from the left end.

[0029] Specifically, when the round shaft 81 moves, the straight slot will limit the round shaft 81, so that the round shaft 81 can only move along the path of the straight slot. At the same time, when the round shaft 81 moves, it will squeeze the inner wall of the inclined slot 61, causing the corresponding reinforcing plate 6 to move.

[0030] Refer to Figures 2 - 7 , a limiting rod 51 is arranged inside the flipping shell 5, the reinforcing plate 6 is slidably connected to the outside of the limiting rod 51. Two roller groups 52 are arranged inside the flipping shell 5, and the two roller groups 52 are respectively located above and below the hollow strip 7, and are respectively located on the left and right sides of the corresponding reinforcing plate 6. The roller groups 52 are used to make the hollow strip 7 and the file bag 13 slide more easily inside the flipping shell 5. A guiding rod 53 is arranged in the middle of the flipping shell 5, and the hollow strip 7 is slidably connected to the outside of the guiding rod 53, so that the hollow strip 7 is always located inside the flipping shell 5.

[0031] Refer to Figures 2 - 7 , the two straight plates 4, the detecting member 10, the pressing wheel frame 11 and the blocking wheel frame 12 are all symmetric about the central axis of the conveyor 2. The number and position of the flipping shells 5 correspond to the straight plates 4. The pressing wheel frame 11 and the blocking wheel frame 12 are respectively located on the left and right sides of the flipping shell 5. A transmission belt 31 is sleeved between the output end of the servo motor 3 and the flipping shell 5.

[0032] Refer to Figures 2 - 6 , a first runner 111 is arranged at one end of the pressing wheel frame 11 close to the flipping shell 5, a second runner 121 is arranged at one end of the blocking wheel frame 12 close to the flipping shell 5. The first runner 111 is located above the second runner 121. When the flipping shell 5 is in a horizontal state, the first runner 111 and the second runner 121 are respectively in contact with the corresponding arc blocks 82, and the strong spring 83 is in a compressed state.

[0033] Specifically, when the flipping shell 5 is in a horizontal state, the arc surface of the arc block 82 is squeezed by the corresponding first runner 111 or second runner 121 at this time, so that the strong spring 83 is in a compressed state. At the same time, the round shaft 81 will push the inner wall of the inclined slot 61, so that the reinforcement plate 6 is fixed and cannot reinforce the file bag 13. However, when the flipping shell 5 starts to rotate, the arc block 82 is no longer squeezed, and the strong spring 83 rebounds, so that the corresponding reinforcement plate 6 is pressed and moves. Then, the reinforcement plate 6 will move towards the position close to the file bag 13, so that the bottom and top of the front and back sides of the file bag 13 are fixed. When the flipping shell 5 is horizontal again, the arc block 82 is pressed to drive the reinforcement plate 6 to move back and no longer reinforce the file bag 13. At this time, the file bag 13 will move with the conveyor 2 and will be detected by the detector 9 on the right again.

[0034] Refer to Figures 2 - 7 , two blocking plates 21 are arranged on the top of the conveyor 2 and are symmetrical about the central axis of the conveyor 2. The blocking plates 21 are used to limit the file bag 13 to prevent the file bag 13 from shifting. A double roller 22 is arranged at one end of the conveyor 2. The middle part of the conveyor 2 is a conveyor belt 201. The distance between the bottom end of the double roller 22 and the conveyor belt 201 is equal to the height of the file bag 13, and the width of the conveyor belt 201 is smaller than the width of the file bag 13, so that the front and back sides of the file bag 13 can enter the inside of the flipping shell 5.

[0035] Refer to Figures 2 - 9 , a spacer 101, a first push rod 102, a second push rod 103, a driving motor 104, a first storage table 105 and a second storage table 106 are arranged on the top of the machine base 1. The spacer 101 is located at one end of the conveyor 2 where the double roller 22 is arranged. The output end of the driving motor 104 is connected to the conveyor 2. The first storage table 105 is located at the other end of the conveyor 2. There are two second storage tables 106, and their central axes coincide with the first push rod 102 and the second push rod 103 respectively.

[0036] Specifically, by using the spacer 101, the file bag 13 intermittently enters above the conveyor 2, so that there is no contact between the file bags 13. When the file bag 13 enters the inside of the flipping shell 5, the file bag 13 will squeeze and push the hollow strip 7 to move. When the file bag 13 completely enters the inside of the flipping shell 5, at this time the conveyor 2 still drives the file bag 13 to move, so the hollow strip 7 is still under pressure. However, since the hollow strip 7 has reached the end point of the flipping shell 5, the hollow strip 7 cannot move. At this time, the file bag 13 is also blocked and cannot move. Then the file bag 13 will stay inside the flipping shell 5. At this time, the hollow strip 7 will be squeezed to the right half of the flipping shell 5. Then the file bag 13 is at the left half of the flipping shell 5 at this time. And due to the blocking of the file bag 13 by the hollow strip 7, before the servo motor 3 is started, the file bag 13 can only stay inside the flipping shell 5, so as to better control the starting time of the servo motor 3. That is, there is no need to accurately correspond the starting moment of the servo motor 3 with the time when the file bag 13 completely enters the flipping shell 5. The starting time of the servo motor 3 can be slower than the time when the file bag 13 completely enters the flipping shell 5, leaving enough time for the file bag 13 to enter the flipping shell 5. There is no need for synchronization, reducing the requirement for equipment synchronization, and avoiding the flipping shell 5 starting to flip when the file bag 13 has not completely entered the flipping shell 5 due to insufficient synchronization.

[0037] Among them, when the servo motor 3 starts to rotate 180 degrees once, the spacer 101 starts once, so as to convey a file bag 13 above the conveyor 2. The starting time of the servo motor 3 is fixed. For example, if the time for the file bag 13 to go from above the conveyor 2 to completely enter the flipping shell 5 is two seconds, then the starting time of the servo motor 3 can be once every four seconds. That is, there is an existing controller provided on the machine base 1 for controlling the equipment to start at a specific time.

[0038] Refer to Figures 2 - 9 , two detectors 9 are respectively located on the left and right sides of the flipping shell 5. The left detector 9 is coupled to the first push rod 102, and the right detector 9 and the two detection members 10 are both coupled to the second push rod 103, so as to perform corresponding feedback. Then, the files with problems are pushed into the corresponding second storage table 106 by using the first push rod 102 and the second push rod 103 for subsequent processing work. The detection member 10 can detect the front and back sides of the file bag 13.

[0039] Refer to Figures 1 - 9, the detector 9 and the detection member 10 are based on machine vision technology and can quickly and accurately detect whether there are problems such as damage and mildew on the file bag 13. The detector 9 includes a bracket 91 fixedly connected to the conveyor 2 and a feedback device 92 fixedly connected to the bracket 91. While the feedback device 92 can detect the top surface of the file bag 13, when the file bag 13 is not close to the feedback device 92, since the bottom end to the top end of the feedback device 92 is inclined towards the direction close to the double rollers 22, generally it can be thirty degrees, so that the situation of the right vertical surface of the file bag 13 can be better detected, avoiding the detection blind area caused by the file bag 13 being vertically opposite to the feedback device 92. At the same time, since there are two feedback devices 92 and they are located on the left and right sides of the flipping shell 5, when the file bag 13 enters the flipping shell 5 and completes a one-hundred-and-eighty-degree flip under the drive of the servo motor 3, the left and right surface positions of the file bag 13 are interchanged. At this time, the feedback device 92 on the right side of the flipping shell 5 detects the new right vertical surface of the file bag 13, that is, the left vertical surface before flipping again, realizing a comprehensive and repeated detection of the left and right vertical surfaces of the file bag 13, ensuring that no potential problems such as damage and mildew are missed.

[0040] The working principle of the present invention is as follows: The file bag 13 is first controlled by the spacer 101 and intermittently conveyed above the conveyor 2. The spacer 101 ensures an appropriate distance between the file bags 13 to avoid mutual contact and interference. When the file bag 13 is conveyed by the conveyor 2, the double rollers 22 first squeeze the top of the file bag 13 to make the top of the file bag 13 flat. Then the file bag 13 continues to move forward on the conveyor 2. First, it passes through the feedback device 92 on the left side of the flipping shell 5 to detect the top surface and the right vertical surface of the file bag 13. Then when the file bag 13 continues to move forward and enters the flipping shell 5, its front and back sides push the corresponding hollow strips 7 to move. When the file bag 13 completely enters the interior of the flipping shell 5, although the conveyor belt 201 still drives the file bag 13 to move, because the hollow strip 7 reaches the end point of the flipping shell 5 and cannot move forward, the file bag 13 is also blocked and stays in the flipping shell 5. At this time, the hollow strip 7 is squeezed to the right half of the flipping shell 5, and the file bag 13 is located in the left half and remains stationary due to the obstruction of the hollow strip 7. Then the servo motor 3 starts, drives the flipping shell 5 to rotate through the transmission belt 31. As the flipping shell 5 rotates, the arc block 82 is no longer pressed, and the strong spring 83 rebounds, pushing the round shaft 81 to slide in the straight slot and the inclined slot 61, thereby driving the reinforcement plate 6 to move towards the file bag 13. The strip-shaped soft plate 601 closely adheres to the bottom and top of the front and back sides of the file bag 13, and at the same time fixes the file bag 13 by virtue of the contact surface with high friction treatment. When the flipping shell 5 rotates 180 degrees and becomes horizontal again, the arc block 82 contacts the corresponding runner and is pressed again, driving the reinforcement plate 6 to move back, releasing the fixation of the file bag 13. The file bag 13 continues to move with the conveyor 2, and the file bag 13 that has been flipped continues to move forward and is detected by the feedback device 92 on the right side of the flipping shell 5. At this time, the left and right surface positions of the file bag 13 are interchanged, and the right feedback device 92 detects the new right vertical surface (i.e., the left vertical surface before flipping) of the file bag 13, realizing a comprehensive and repeated detection of the left and right vertical surfaces of the file bag 13. At the same time, the detection member 10 detects the front and back sides of the file bag 13. If the feedback device 92 and the detection member 10 detect problems with the file bag 13, it will be fed back to the first push rod 102 and the second push rod 103, and the problematic file bag 13 will be pushed into the corresponding second storage table 106 for subsequent processing. If there is no problem, the file bag 13 continues to move forward to the first storage table 105 to complete the sorting; And during the whole process, every time the servo motor 3 rotates 180 degrees, the spacer 101 starts once to convey the next file bag 13 into the conveyor 2. This cycle repeats to achieve efficient and accurate automatic sorting and detection of the file bags 13.

[0041] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. An automatic file sorting device based on machine vision, comprising a machine base (1) and a file bag (13), characterized in that: It further includes a conveyor (2) and a servo motor (3) fixedly connected to the top of the machine base (1), two straight plates (4) fixedly connected to the conveyor (2), a flipping shell (5) rotatably connected to the straight plates (4), a reinforcing plate (6) and a hollow strip (7) slidably connected inside the flipping shell (5), a linkage member (8) arranged inside the flipping shell (5), and two detectors (9), detecting members (10), pressure wheel brackets (11) and blocking wheel brackets (12) fixedly connected to the top of the conveyor (2). The output end of the servo motor (3) is connected to the flipping shell (5). Two reinforcing plates (6) are arranged inside the flipping shell (5). The hollow strip (7) is located between the two reinforcing plates (6). One end of the linkage member (8) extends into the flipping shell (5) and is slidably connected to the reinforcing plate (6). When the flipping shell (5) is in a horizontal state, the two reinforcing plates (6) are respectively located in the upper left and lower right inside the flipping shell (5). When the front and back sides of the file bag (13) are completely located inside the flipping shell (5), the servo motor (3) makes the file bag (13) flip stably through the flipping shell (5) and the reinforcing plate (6).

2. The automatic file sorting device based on machine vision according to claim 1, characterized in that: The number and position of the linkage members (8) correspond to those of the reinforcing plates (6). An inclined slot (61) is formed in the reinforcing plate (6). A strip-shaped soft plate (601) is arranged on one side of the reinforcing plate (6) close to the hollow strip (7). The length of the strip-shaped soft plate (601) is equal to the length of the file bag (13). The height of the hollow strip (7) is not less than the height of the file bag (13).

3. The automatic file sorting device based on machine vision according to claim 2, characterized in that: The linkage member (8) includes a round shaft (81) slidably connected inside the flipping shell (5), an arc block (82) fixedly connected to the round shaft (81), and a strong spring (83) connected between the round shaft (81) and the arc block (82). A straight slot is formed in the flipping shell (5). The round shaft (81) penetrates through the straight slot and the inclined slot (61). The side of the arc block (82) away from the strong spring (83) is an arc surface.

4. The automatic file sorting device based on machine vision according to claim 1, characterized in that: A limiting rod (51) is arranged inside the flipping shell (5). The reinforcing plate (6) is slidably connected to the outside of the limiting rod (51). Two roller groups (52) are arranged inside the flipping shell (5). The two roller groups (52) are respectively located above and below the hollow strip (7), and are respectively located on the left and right sides of the corresponding reinforcing plate (6). A guiding rod (53) is arranged in the middle of the flipping shell (5). The hollow strip (7) is slidably connected to the outside of the guiding rod (53).

5. The automatic document sorting device based on machine vision according to claim 1, characterized in that: The two straight plates (4), the detecting members (10), the pressure wheel brackets (11) and the blocking wheel brackets (12) are all symmetric about the central axis of the conveyor (2). The number and position of the flipping shells (5) correspond to those of the straight plates (4). The pressure wheel brackets (11) and the blocking wheel brackets (12) are respectively located on the left and right sides of the flipping shell (5). A transmission belt (31) is sleeved between the output end of the servo motor (3) and the flipping shell (5).

6. The automatic file sorting device based on machine vision according to claim 3, characterized in that: One end of the pressure wheel frame (11) close to the flipping shell (5) is provided with a first runner (111), one end of the blocking wheel frame (12) close to the flipping shell (5) is provided with a second runner (121), the first runner (111) is located above the second runner (121), when the flipping shell (5) is in a horizontal state, the first runner (111) and the second runner (121) are respectively in contact with the corresponding arc blocks (82), and the strong spring (83) is in a compressed state.

7. The automatic file sorting device based on machine vision according to claim 1, characterized in that: Two blocking plates (21) are arranged on the top of the conveyor (2) and are symmetrical about the central axis of the conveyor (2), one end of the conveyor (2) is provided with a double roller (22), the middle part of the conveyor (2) is a conveyor belt (201), and the distance between the bottom end of the double roller (22) and the conveyor belt (201) is equal to the height of the file bag (13).

8. The automatic file sorting device based on machine vision according to claim 7, wherein: A spacer (101), a first push rod (102), a second push rod (103), a driving motor (104), a first storage table (105) and a second storage table (106) are arranged on the top of the machine base (1), the spacer (101) is located at one end of the conveyor (2) where the double roller (22) is arranged, the output end of the driving motor (104) is connected to the conveyor (2), the first storage table (105) is located at the other end of the conveyor (2), and there are two second storage tables (106).

9. The automatic document sorting device based on machine vision according to claim 8, wherein: The two detectors (9) are respectively located on the left side and the right side of the flipping shell (5), the left detector (9) is coupled to the first push rod (102), and the right detector (9) and the two detecting members (10) are both coupled to the second push rod (103).

10. The automatic file sorting device based on machine vision according to claim 7, characterized in that: The detector (9) includes a bracket (91) fixedly connected to the conveyor (2), and a feedback device (92) fixedly connected to the bracket (91), and the bottom end to the top end of the feedback device (9) is inclined in the direction close to the double roller (22).

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