A paper archive digitization processing device

Abstract

This utility model discloses a paper document digitization processing device, relating to the field of intelligent office equipment technology. It includes a frame, on which a movable frame, a paper feed tray, and a paper return tray are mounted. An inclined paper feeding channel exists between the movable frame and the frame. The upper end of the movable frame can rotate and open the paper feeding channel. The paper feed tray and the paper return tray are located at the upper and lower ends of the paper feeding channel, respectively. According to the processing logic of the device, the paper feeding channel is equipped with a paper feed roller assembly, a paper feeding device, a scanning device, and a coding device. This utility model innovatively adopts a smaller, shorter paper transport path, and an openable inclined paper feeding structure. Besides enabling inclined paper transport and scanning / coding functions, it can also quickly remove jammed paper by opening the paper feeding channel, preventing damage to the original paper document. This solves the technical problems of existing technologies, such as large size, long paper transport path, and paper jams caused by easy paper deviation.

Description

Technical Field

[0001] This utility model relates to the field of intelligent office equipment technology, specifically to a paper archive digitization processing device. Background Technology

[0002] With the full arrival of the big data era, the efficient integration, rapid retrieval, and secure sharing of information resources have become core requirements for the development of various industries. As an important carrier of historical information and business data, archives also face the urgent need for transformation and upgrading in their management model. Traditional paper-based archive management relies on manual sorting, physical storage, and manual retrieval. This not only suffers from problems such as large storage space requirements, susceptibility to environmental damage, and low retrieval efficiency, but also fails to meet the modern society's demands for rapid access to archival information, cross-regional sharing, and in-depth analysis. It is gradually becoming incompatible with the pace of development in the current information age. Against this backdrop, digital archives, with their advantages of high storage density, fast retrieval speed, convenient transmission, and reusability, are gradually replacing traditional paper archives and becoming the mainstream development trend in the field of archive management.

[0003] To better facilitate the construction of digital archives, document CN116552140A discloses an integrated intelligent document processing device. This device includes a base, on which are fixed a controller, a paper feeding device, a paper conveying device, a storage device, an image acquisition device, and a coding device. In use, the device can automatically feed paper documents, provide fast and stable conveying, acquire images of both sides of the paper, perform image recognition, intelligent pagination, automatically code the recognized pages, and automatically store the documents, generating electronic files that correspond one-to-one with the paper document codes. While this device is effective in accurately and efficiently processing paper documents, practical application has revealed that its integrated design, employing a complex mechanical transmission structure and multiple front and rear transmission roller groups on a horizontal frame to achieve multi-process integration, results in a long conveying channel, a cumbersome overall structure, and a large size. This not only places high demands on the space required for use, making it unsuitable for small and medium-sized archival management institutions or temporary digitization operation scenarios, but also increases the manufacturing and maintenance costs due to its complex structure. In addition, the paper has a long transport path, and the paper is prone to shifting during transport, causing paper jams. Due to structural limitations, the paper is also easily damaged when removing the jammed paper, affecting the integrity of the original document. Utility Model Content

[0004] This invention addresses the shortcomings and defects of the existing technology by proposing a paper archive digitization processing device. This device innovatively adopts a smaller size, shorter paper transport path, and an openable paper transport channel with an inclined paper transport structure. In addition to enabling inclined paper transport and scanning / coding functions, it can also quickly remove jammed paper by opening the paper transport channel, avoiding damage to the original paper documents. This solves the technical problems of existing technologies, such as complex structure, large size, high cost, inconvenient maintenance, long paper transport path, and easy paper deviation causing jams and damage.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A paper archive digitization processing device includes a frame, on which a movable frame, a paper feed tray, and a paper return tray are mounted. An inclined paper feeding channel is provided between the movable frame and the frame through a spacer. The movable frame is configured such that its upper end can rotate and open the paper feeding channel. The paper feed tray and the paper return tray are located at the upper and lower ends of the paper feeding channel, respectively. According to the processing logic of the device, the paper feeding channel is provided with a paper feeding roller group for conveying paper, a paper feeding device for inputting paper into the paper feeding channel, a scanning device for scanning paper, and a coding device for coding paper.

[0006] The frame is provided with an inclined paper feeding base plate, and the movable frame is provided with a paper feeding cover plate corresponding to the paper feeding base plate. The spacer is fixed on the paper feeding base plate or the paper feeding cover plate, and the paper feeding channel is formed by the paper feeding cover plate covering the paper feeding base plate.

[0007] The lower end of the movable frame is hinged to the lower end of the machine frame. A limiting component for limiting the rotation angle of the movable frame is provided between the movable frame and the machine frame. A positioning guide pin and a positioning guide pin hole are provided between the middle part of the movable frame and the middle part of the machine frame. A fastening piece is provided between the upper end of the movable frame and the upper end of the machine frame. When the fastening piece is released, the upper end of the movable frame can rotate and open the paper feeding channel.

[0008] The limiting assembly is located in the lower middle part of one side of the frame and includes a limiting rod and a limiting pin. The limiting pin is fixed to the side wall of the frame. One end of the limiting rod is hinged to the side wall of the movable frame, and the other end is provided with a limiting groove along the length direction. The limiting pin is located in the limiting groove.

[0009] The minimum length of the paper feeding channel is 650mm, the inclination of the paper feeding channel is 30-60 degrees, and the rotation angle of the movable frame is 25°-45°.

[0010] The frame has a right-angled triangular structure, including a base, on which two right-angled triangular side plates are symmetrically fixed. The side plates are fixed together by a support rod, and the paper feed base plate is fixed between the hypotenuses of the two side plates. The movable frame includes two side plates fixed by a support column, and the paper feed cover plate is fixed between the two side plates.

[0011] The paper feed roller assembly includes a drive roller assembly and a driven roller assembly arranged sequentially from top to bottom along the paper feed channel. The drive roller assembly is mounted on the frame and driven by a paper feed motor fixed on the frame. The driven roller assembly is mounted on a movable frame. The drive roller assembly and the driven roller assembly cooperate to drive the paper in the paper feed channel to be output from top to bottom.

[0012] The paper feeding device is located at the top of the paper feeding channel. The paper feeding device includes a paper feeding roller driven by a paper feeding motor and a separation roller driven by a separation motor. The paper feeding motor and the paper feeding roller are both mounted on the frame, and the separation motor and the separation roller are both mounted on the movable frame. The separation roller corresponds to the paper feeding roller, and the two work together to feed the paper on the tray into the paper feeding channel.

[0013] The scanning device has two sets, which are respectively located below the paper feeding device and below the coding device. Each set of scanning devices includes two sets of scanning components. The two sets of scanning components in each set of scanning devices are respectively installed on the frame and the movable frame, and the two sets of scanning components in each set of scanning devices are staggered.

[0014] The coding device is located at the bottom of the paper feeding channel and between the scanning devices. There are at least two coding devices, which are installed on the frame and the movable frame, respectively.

[0015] The paper feed tray has a pin at the bottom and a positioning hole on the back; the frame has a socket at the top and a positioning post on the back. When in use, the paper feed tray is fixed to the top of the frame by the pin and the socket, and after use, the paper feed tray is fixed to the back of the frame by the positioning hole and the positioning post.

[0016] The paper receiving tray is installed at the bottom of the frame with a pull-out structure. The inner side of the paper receiving tray is provided with multiple arc-shaped guide ribs for guiding the paper, and the outer side of the paper receiving tray is hinged with a paper receiving extension plate.

[0017] The digital processing equipment also includes a controller, single / double page detection sensors, signal trigger sensors, and paper jam detection sensors. The controller is fixed on the frame, the single / double page detection sensors are located below the paper feeding device, the signal trigger sensors are located above the paper feeding device, above the coding device, and above the scanning device, respectively, and the paper jam detection sensor is located above the coding device and between the scanning device. The controller is used to receive the detection signals from the single / double page detection sensors, signal trigger sensors, and paper jam detection sensors, and to control the operation of the paper feeding device, scanning device, and coding device according to the received detection signals.

[0018] A detachable rear shell is fixed on the frame, and a detachable front shell is fixed on the movable frame. Openable and closable maintenance covers are provided on both sides of the lower part of the rear shell, and an openable and closable maintenance cover is provided on the lower part of the front shell. A display screen connected to the controller is provided on the upper part of the front shell.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. The digital processing equipment provided by this utility model adopts an inclined paper feeding channel and a structure in which the paper feeding channel can be opened by rotating the movable frame. Based on this inclined paper feeding channel, a paper feeding roller group, a paper feeding device, a scanning device, a coding device, etc. are configured. In addition to making the equipment smaller and the paper transport path shorter, it can also quickly remove the jammed paper by opening the paper feeding channel when paper jams occur, and restore the jammed paper to a flat position for reprocessing. This can effectively avoid damage and loss of content of the original paper documents, ensuring the success rate and accuracy of paper document conversion. In addition, due to the shorter paper transport path, the equipment also has the advantages of simple structure, stability and reliability, smaller size, lower cost, easy maintenance, and less likelihood of paper jams caused by paper misalignment.

[0020] 2. This utility model forms a paper feeding channel by covering the paper feeding cover plate onto the paper feeding base plate, so that only the paper feeding device and the wheels in the paper feeding roller group slightly extend into the paper feeding channel. The entire paper feeding channel is smooth and flat, which not only helps to prevent paper jams to the greatest extent, but also prevents paper damage to the greatest extent when paper jams occur.

[0021] 3. This invention sets the minimum length of the paper feed channel to 650mm, resulting in a smaller device size and further reducing overall equipment volume. Setting the inclination of the paper feed channel to 30-60 degrees improves the smoothness of paper movement and reduces the chance of paper jams. Conversely, an inclination less than or exceeding this range will lead to easy paper jams during feeding or paper stacking during output. Setting the rotation angle of the movable frame to 25°-45° provides advantages such as stable flipping, minimal space occupation when opened, and ease of maintenance.

[0022] 4. This utility model mounts the driving wheel assembly and the driven wheel assembly on the machine frame and the movable frame respectively, allowing for adjustment to obtain a passage gap adapted to the paper thickness. This prevents the paper from being clamped or jammed during use, facilitating smooth paper passage. Furthermore, this structure offers the advantages of convenient adjustment and simple operation.

[0023] 5. This utility model installs the paper feeding roller and the separating roller on the machine frame and the movable frame respectively, which can not only achieve accurate feeding of single sheets of paper, but also has the advantages of convenient adjustment and simple operation.

[0024] 6. This utility model can continuously process paper documents without stopping during the entire process. The paper's movement speed is matched with the motor speed, resulting in high processing efficiency. Attached Figure Description

[0025] Figure 1 This is a cross-sectional view of the present invention; Figure 2 A 3D structural diagram of the paper feed path after it is opened; Figure 3 This is a three-dimensional structural diagram of the rack; Figure 4 This is a three-dimensional structural diagram of the movable frame; Figure 5 This is a three-dimensional structural view of the present invention after the front shell has been disassembled; Figure 6 This is a three-dimensional structural view of the present invention after the rear shell has been disassembled; Figure 7 This is a 3D structural diagram of the paper feed tray; Figure 8 3D structural diagram of the paper receiving tray; Figure 9 for Figure 1 A three-dimensional structural diagram; Figure 10 for Figure 7 Side view structural diagram.

[0026] The components in the diagram are labeled as follows: 1. Frame, 2. Movable frame, 3. Feed tray, 4. Take-up tray, 5. Paper path, 6. Paper feed roller assembly, 7. Feeding device, 8. Scanning device, 9. Coding device, 10. Paper feed base plate, 11. Paper feed cover plate, 12. Limiting assembly, 13. Limiting rod, 14. Limiting pin, 15. Positioning guide pin, 16. Positioning guide pin hole, 17. Fastener, 18. Drive wheel assembly, 19. Driven wheel assembly, 20. Paper feed roller, 21. Separating roller, 22. Arc-shaped guide rib, 23. Take-up extension plate, 24. Controller, 25. Single / double page detection sensor, 26. Signal trigger sensor, 27. Paper jam detection sensor, 28. Rear shell, 29. Front shell, 30. Maintenance cover plate, 31. Display screen. Detailed Implementation

[0027] Example 1 Reference Figures 1-6This embodiment provides a paper archive digitization processing device suitable for the electronic archiving needs of A3, A4, B5 and other paper documents. It can intelligently recognize blank pages, print page numbers sequentially, scan documents, and perform image processing. It includes a frame 1, on which a movable frame 2, a paper feed tray 3, and a paper return tray 4 are mounted. An inclined paper feed channel 5 is provided between the movable frame 2 and the frame 1 via a spacer (not shown in the figure). The width of the paper feed channel 5 is adapted to the width of A4 paper (the length of A3 paper). The movable frame 2 is configured so that its upper end can rotate to open the paper feed channel 5, facilitating quick removal of jammed paper and preventing damage to the original paper document. The paper feed tray 3 and the paper return tray 4 are located at the upper and lower ends of the paper feed channel 5, respectively. The paper feed tray 3 is used to place the paper document to be processed, and the paper return tray 4 is used to place the processed paper document. According to the processing logic of the equipment, the paper feeding channel 5 is equipped with a paper feeding roller group 6 for conveying paper, a paper feeding device 7 for inputting paper into the paper feeding channel 5, a scanning device 8 for scanning paper, and a coding device 9 for coding paper. After the paper feeding device 7 feeds the paper document on the paper feeding tray 3 into the paper feeding channel 5 from the top, under the conveying action of the paper feeding roller group 6, the paper passes through the scanning device 8 and the coding device 9 respectively. After being scanned and coded, the paper enters the receiving tray 4, and the converted electronic document is obtained through storage.

[0028] Furthermore, the frame 1 is equipped with an inclined paper feeding base plate 10, and the movable frame 2 is equipped with a paper feeding cover plate 11 corresponding to the paper feeding base plate 10. The paper feeding channel 5 is formed by the paper feeding cover plate 11 covering the paper feeding base plate 10. The minimum length of the paper feeding channel 5 is 650mm, which can effectively shorten the length of the paper feeding channel 5 compared with the prior art, thereby reducing the probability of paper jams and the size of the equipment. The paper feeding channel 5 is essentially composed of two inclined plates. The inclination angle of the paper feeding channel 5 can be 30-60 degrees, preferably 45 degrees, which has the advantages of simple structure, smooth paper feeding, and less likelihood of paper jams during paper feeding.

[0029] Reference Figures 1-6 The frame 1 has a right-angled triangular structure and includes a base. Two right-angled triangular side plates are symmetrically fixed to the base by bolts. The side plates are fixed together by upper and lower support rods, forming a stable and reliable support structure for the frame 1. The movable frame 2 includes two side plates fixed by support columns. The support columns are fixed to the upper, middle, and lower parts of the two side plates respectively, giving the movable frame 2 a stable and reliable support structure. The paper feeding base plate 10 is fixed between the hypotenuses of the two side triangular plates, and the paper feeding cover plate 11 is fixed between the two side plates. Together, they form an inclined paper feeding channel 5.

[0030] It should be noted that both the paper feed base plate 10 and the paper feed cover plate 11 are rectangular in structure. The spacers can be made of rubber material and can be glued to the four corners of the paper feed base plate 10 or the four corners of the paper feed cover plate 11. On the one hand, they are used to form a paper feed channel 5 with a stable gap between the frame 1 and the movable frame 2. On the other hand, they can form a buffer when the paper feed cover plate 11 is rotated to move closer to the paper feed base plate 10, so as to avoid damage to the paper feed cover plate 11 and the paper feed base plate 10 due to hard contact.

[0031] Reference Figure 1 , Figures 5-8 The frame 1 is also equipped with a detachable rear shell 28, and the movable frame 2 is equipped with a detachable front shell 29. The lower sides of the rear shell 28 and the lower part of the front shell 29 are each equipped with an openable and closable maintenance cover 30. The front shell 29 and rear shell 28 provide protection for the internal components and create a standardized and aesthetically pleasing appearance, thus extending the equipment's lifespan and enhancing its market competitiveness. The maintenance covers 30 facilitate direct disassembly and maintenance of the internal components without requiring the complete disassembly of the front shell 29 and rear shell 28, making disassembly and maintenance more convenient.

[0032] Reference Figures 1-6 The lower end of the movable frame 2 is hinged to the lower end of the frame 1 by a shoulder screw, making the movable frame 2 a structure with a rotatable upper end. A fastening member 17 is provided between the upper end of the movable frame 2 and the upper end of the frame 1. The fastening member 17 is a conventional structure including an L-shaped fastening part, a torsion spring, and a rotating shaft. The L-shaped fastening part is installed on the movable frame 2 by the rotating shaft and the torsion spring. The frame 1 has a corresponding through hole and a fastened part. When the L-shaped fastening part is not under force, it can automatically fasten to the fastened part under the action of the torsion spring, thereby achieving a stable connection between the upper part of the movable frame 2 and the upper end of the frame 1. When the L-shaped fastening part is under force, it can move upward to release the fastening member. After releasing the fastening member 17, the upper end of the movable frame 2 can rotate and open the paper feeding channel 5. In addition, a positioning guide pin 15 and a positioning guide pin hole 16 are provided between the middle of the movable frame 2 and the middle of the frame 1. The positioning guide pin 15 and the positioning guide pin hole 16 can be respectively set on both sides of the paper feeding base plate 10 and both sides of the paper feeding cover plate 11. The positioning guide pin 15 and the positioning guide pin hole 16 can play a guiding and positioning role and cover the paper feeding cover plate 11 when it covers the paper feeding base plate 10, so as to ensure that the size of the paper feeding channel 5 does not change.

[0033] Reference Figures 1-2 , Figures 5-6 A limiting component 12 is provided between the movable frame 2 and the frame 1 to limit the rotation angle of the movable frame 2. The limiting component 12 can limit the rotation angle of the movable frame 2 to 25°-45°, preferably to 35°, so that the movable frame 2 can be flipped stably, not easily jammed, not easily shaken, and occupy less space after the movable frame 2 is flipped.

[0034] Furthermore, the limiting assembly 12 is located in the lower middle part of one side of the frame 1, including a limiting rod 13 and a limiting pin 14. The limiting pin 14 is fixed to the side wall of the frame 1. One end of the limiting rod 13 is hinged to the side wall of the movable frame 2 and can rotate. The other end is provided with a limiting groove of a certain length along the length direction, and the limiting pin 14 is located in the limiting groove. Assume that the limiting groove includes point A located at the end of the limiting rod 13 and point B located in the middle of the limiting rod 13. When the movable frame 2 is rotated to open the paper feeding channel 5, the limiting pin 14 moves from point B to point A relative to the limiting groove, and reaches the limiting endpoint when it moves to point A, at which point the movable frame 2 can no longer rotate.

[0035] Reference Figures 1-6 The paper feed roller group 6 can consist of five groups. Ideally, adjacent groups of paper feed roller groups 6 should have the smallest possible spacing while still ensuring smooth paper transport. Each group includes a drive roller group 18 and a driven roller group 19 arranged sequentially from top to bottom along the paper feed channel 5. The drive roller group 18 is mounted on the frame 1, and each drive roller group 18 can be connected via a belt and pulleys, and is driven by a paper feed motor fixed to the frame 1. The driven roller group 19 is mounted on the movable frame 2. The drive roller group 18 and the driven roller group 19 cooperate to drive the paper in the paper feed channel 5 from top to bottom. Alternatively, the drive roller group 18 and the driven roller group 19 can be mounted on the movable frame 2 and the frame 1, respectively.

[0036] Reference Figures 1-6 The paper feeding device 7 is located at the top of the paper feeding channel 5. The paper feeding device 7 includes a paper feeding roller 20 driven by a paper feeding motor and a separation roller 21 driven by a separation motor. The paper feeding motor and the paper feeding roller 20 are both mounted on the frame 1, and the separation motor and the separation roller 21 are both mounted on the movable frame 2. The separation roller 21 corresponds to the paper feeding roller 20, and the two work together to feed the paper on the tray into the paper feeding channel 5.

[0037] Reference Figures 1-6 There are two sets of scanning devices 8, which are respectively located below the paper feeding device 7 and the coding device 9. Each set of scanning devices 8 includes two sets of scanning components. The two sets of scanning components in each set of scanning devices 8 are respectively installed on the frame 1 and the movable frame 2. The two sets of scanning components in each set of scanning devices 8 are staggered to avoid unclear scanning due to the influence of the light source.

[0038] It should be noted that the upper scanning component scans both sides of the paper and determines whether there are blank pages on either side based on the scan results. This provides a basis for the subsequent coding device 9 to code the non-blank pages. The lower scanning component scans the non-blank pages after coding, thereby obtaining the electronic document.

[0039] Reference Figures 1-6The coding device 9 is located at the lower part of the paper feed channel 5 and between the scanning devices 8. There are at least two sets of coding devices 9, one mounted on the frame 1 and the other on the movable frame 2. Alternatively, there can be four sets of coding devices 9, mounted in pairs on the frame 1 and the movable frame 2. The coding device 9 can code any corner of the page, the middle of the upper part of the page, or the middle of the lower part of the page, as needed.

[0040] Reference Figure 1 , Figure 6 , Figure 9 The paper feed tray 3 can adopt an existing conventional structure, with a pin at the bottom and a positioning hole on the back; the upper end of the frame 1 has an insertion hole, and the back of the rear shell 28 of the frame 1 has a positioning post. When in use, the paper feed tray 3 can be fixed to the upper end of the frame 1 through the pin and the insertion hole. After use, the paper feed tray 3 can be fixed to the back of the frame 1 through the positioning hole and the positioning post, which can reduce the size of the equipment and facilitate transportation.

[0041] Reference Figure 10 The paper receiving tray 4 is installed at the bottom of the frame 1 using a pull-out structure. For example, the bottom of the frame 1 is equipped with a slide rail or groove structure, and the paper receiving tray 4 is slidably installed at the bottom of the frame 1 via the slide rail or groove structure. When in use, the paper receiving tray 4 can be pulled out from the bottom of the frame 1, and after use, the paper receiving tray 4 can be returned to the bottom of the frame 1, which is simple and convenient. Multiple arc-shaped guide ribs 22 are evenly distributed on the inner side of the paper receiving tray 4 to guide the paper. After processing, the paper is automatically and orderly stacked under the action of the arc-shaped guide ribs 22. A paper receiving extension plate 23 is also hinged to the outer side of the paper receiving tray 4, so that the paper receiving tray 4 can be used not only for storing regular A4 and B5 size paper, but also for storing A3 size paper.

[0042] In this embodiment, the paper feeding device 7, paper feed roller group 6, scanning device 8, and coding device 9 can all be implemented using existing conventional structures. Only the paper feeding device 7 and paper feed roller group 6 involve the use of three motors. The core of this embodiment is based on the inclined and openable paper feed channel 5, which is configured with the paper feeding device 7, paper feed roller group 6, scanning device 8, and coding device 9. In addition to realizing page feeding, scanning, coding, and conversion into electronic documents, it also has the advantages of smaller size, shorter paper transport path, quick paper removal by opening the paper feed channel 5 when paper jams occur, and avoidance of damage to the original paper document.

[0043] It should be noted that in this embodiment, the paper feeding device 7, the paper feeding roller group 6, the scanning device 8, the coding device 9, and other structural components are respectively installed on the non-paper feeding surface of the paper feeding base plate 10 and the non-paper feeding surface of the paper feeding cover plate 11. Only the paper feeding roller 20 and the separating roller 21 in the paper feeding device 7 and the conveying roller in the paper feeding roller group 6 are slightly inserted into the paper feeding channel 5 through the corresponding through holes. The entire paper feeding channel 5 is smooth and flat, which can prevent paper jams to the greatest extent and prevent paper damage to the greatest extent when paper jams occur. It is also convenient to quickly open the paper feeding channel 5 for processing, making it more practical.

[0044] This embodiment can handle paper sizes such as A3, A4, and B5. If the document is A4 or B5, the paper is fed along the long side; if the document is A3, the paper is fed along the short side. Its working principle is as follows: S1. Place the paper document to be processed at the paper feed device 7, start the paper feed device 7, the paper feed device 7 feeds the paper from the upper end of the paper feed channel 5 in pages, and moves downward along the paper feed channel 5 under the action of the paper feed roller group 6.

[0045] S2. The scanning device 8 located above scans the passing paper to determine whether there is content on both sides of the paper.

[0046] S3. Based on the scanning results of the scanning device 8 above, the coding device 9 codes the pages with content on the paper.

[0047] S4. The scanning device 8 located below scans the coded page, and the scanned paper is output from the lower end of the paper feed channel 5.

[0048] S5. After all the paper pages in the paper document have been coded and scanned, the converted electronic document is obtained.

[0049] Example 2 Based on Example 1, this example optimizes the device with intelligent features.

[0050] Reference Figure 1 , Figures 5-8The digital processing equipment also includes a controller 24 (including an industrial computer and circuit board assembly), single / double page detection sensors 25, signal trigger sensors 26, and paper jam detection sensors 27. The controller 24 is fixed on the frame 1. The single / double page detection sensors 25 are located below the paper feeding device 7. There are four sets of signal trigger sensors 26, located above the paper feeding device 7, above the coding device 9, and above the two sets of scanning devices 8, respectively. There are two sets of paper jam detection sensors 27, arranged vertically and located above the coding device 9 and between the scanning devices 8. The controller 24 is used to receive the detection signals from the single / double page detection sensors 25, signal trigger sensors 26, and paper jam detection sensors 27, and controls the operation of the paper feeding device 7, scanning device 8, and coding device 9 according to the received detection signals. In addition, a display screen 31 connected to the controller 24 is provided on the upper part of the front shell 29. The display screen 31 displays the device status, relevant parameters, and control functions, and can be directly operated and controlled through the display screen 31.

[0051] It should be noted that the single / double page detection sensor 25 mentioned above can be an ultrasonic sensor, and the signal trigger sensor 26 and paper jam detection sensor 27 can be photoelectric sensors. Each sensor can be installed on the frame 1 and / or the movable frame 2 as needed.

[0052] This embodiment enhances the intelligence level of the device by cooperating with the controller 24 and the sensor. Its working principle is as follows: S1. The signal trigger sensor 26 is used to detect whether there is a paper document placed at the paper feed device 7. If there is, the paper feed device 7 is started and the paper feed device 7 feeds the paper from the top of the paper feed channel 5.

[0053] S2. The single / double page detection sensor 25 is used to detect the single / double page of the paper in the paper feeding channel 5. If the paper is a double page, the machine is stopped; if the paper is a single page, the paper moves downward under the action of the paper feeding roller group 6 and proceeds to S3.

[0054] S3. Use the signal trigger sensor 26 to detect whether there is paper passing above the first group of scanning devices 8. If so, trigger the group of scanning devices 8 to scan the passing paper and determine whether there is content on both sides of the paper.

[0055] S4. During the downward movement of the paper, the paper jam detection sensor 27 is used to detect whether there is a paper jam. If a paper jam occurs, the machine is stopped and the paper feed cover 11 is rotated to open the paper feed channel 5, the jammed paper is removed, flattened, and then re-entered.

[0056] S5. Use the signal trigger sensor 26 to detect whether there is paper passing above the coding device 9. If so, trigger the coding device 9 and code the pages with content on the paper according to the scanning results of the first group of scanning devices 8.

[0057] S6. Use the signal trigger sensor 26 to detect whether there is paper passing above the second group of scanning devices 8. If so, trigger the group of scanning devices 8 to scan the coded page. The scanned paper is output from the lower end of the paper feed channel 5.

[0058] S7. After all the paper pages in the paper document have been coded and scanned, the converted electronic document is obtained.

[0059] This embodiment achieves intelligent control of paper documents during conversion by using controller 24 in conjunction with sensors, which not only improves conversion efficiency but also enhances the intelligence of the equipment.

[0060] The above description is only a specific embodiment of this utility model. Any feature disclosed in this specification may be replaced by other equivalent features unless otherwise specified. All features or steps in all methods or processes disclosed may be combined in any way except for mutually exclusive features and / or steps.

Claims

1. A paper archive digitization device comprising a frame (1), characterized in that: The frame (1) is equipped with a movable frame (2), a paper feed tray (3) and a paper take-up tray (4). The movable frame (2) and the frame (1) are connected by a spacer and an inclined paper feeding channel (5). The movable frame (2) is configured so that the upper end can rotate and open the paper feeding channel (5). The paper feed tray (3) and the paper take-up tray (4) are located at the upper and lower ends of the paper feeding channel (5) respectively. According to the processing logic of the equipment, the paper feeding channel (5) is equipped with a paper feeding roller group (6) for conveying paper, a paper feeding device (7) for inputting paper into the paper feeding channel (5), a scanning device (8) for scanning paper, and a coding device (9) for coding paper.

2. The paper archive digitization device of claim 1, wherein: The frame (1) is provided with an inclined paper feeding base plate (10), and the movable frame (2) is provided with a paper feeding cover plate (11) corresponding to the paper feeding base plate (10). The spacer is fixed on the paper feeding base plate (10) or the paper feeding cover plate (11), and the paper feeding channel (5) is formed by the paper feeding cover plate (11) covering the paper feeding base plate (10).

3. A paper archive digitization device according to claim 1 or 2, characterized in that: The lower end of the movable frame (2) is hinged to the lower end of the frame (1). A limiting component (12) for limiting the rotation angle of the movable frame (2) is provided between the movable frame (2) and the frame (1). A positioning guide pin (15) and a positioning guide pin hole (16) are provided between the middle part of the movable frame (2) and the middle part of the frame (1). A fastening component (17) is provided between the upper end of the movable frame (2) and the upper end of the frame (1). When the fastening component (17) is released, the upper end of the movable frame (2) can rotate and open the paper feeding channel (5).

4. The paper archive digitization device of claim 3, wherein: The limiting component (12) is located in the lower middle part of one side of the frame (1), including a limiting rod (13) and a limiting pin (14). The limiting pin (14) is fixed on the side wall of the frame (1). One end of the limiting rod (13) is hinged to the side wall of the movable frame (2), and the other end is provided with a limiting groove along the length direction. The limiting pin (14) is located in the limiting groove.

5. The paper archive digitization device of claim 1, wherein: The minimum length of the paper feeding channel (5) is 650mm, the inclination of the paper feeding channel (5) is 30-60 degrees, and the rotation angle of the movable frame (2) is 25°-45°.

6. The paper archive digitization device of claim 2, wherein: The frame (1) has a right-angled triangular structure, including a base, on which two right-angled triangular side plates are symmetrically fixed. The side plates are fixed together by a support rod, and the paper feed base plate (10) is fixed between the hypotenuses of the two side plates. The movable frame (2) includes two side plates fixed by a support column, and the paper feed cover plate (11) is fixed between the two side plates.

7. The paper archive digitization device of claim 1, wherein: The paper feeding roller assembly (6) includes a drive roller assembly (18) and a driven roller assembly (19) arranged sequentially from top to bottom along the paper feeding channel (5). The drive roller assembly (18) is mounted on the frame (1) and driven by a paper feeding motor fixed on the frame (1). The driven roller assembly (19) is mounted on the movable frame (2). The drive roller assembly (18) and the driven roller assembly (19) cooperate to drive the paper in the paper feeding channel (5) to be output from top to bottom.

8. The paper archive digitization device of claim 1, wherein: The paper feeding device (7) is located at the top of the paper feeding channel (5). The paper feeding device (7) includes a paper feeding roller (20) driven by a paper feeding motor and a separation roller (21) driven by a separation motor. The paper feeding motor and the paper feeding roller (20) are both mounted on the frame (1), and the separation motor and the separation roller (21) are both mounted on the movable frame (2). The separation roller (21) corresponds to the paper feeding roller (20), and the two work together to input the paper on the tray into the paper feeding channel (5). The scanning device (8) has two sets. The two sets of scanning devices (8) are respectively located below the paper feeding device (7) and below the coding device (9). Each set of scanning devices (8) includes two sets of scanning components. The two sets of scanning components in each set of scanning devices (8) are respectively installed on the frame (1) and the movable frame (2), and the two sets of scanning components in each set of scanning devices (8) are staggered. The coding device (9) is located at the lower part of the paper feeding channel (5) and between the scanning devices (8). There are at least two sets of coding devices (9), which are installed on the frame (1) and the movable frame (2) respectively.

9. The paper archive digitization device of claim 1, wherein: The paper feed tray (3) is provided with a pin at the bottom and a positioning hole on the back; the frame (1) is provided with a hole at the top and a positioning post on the back. When in use, the paper feed tray (3) is fixed to the top of the frame (1) by the pin and the hole. After use, the paper feed tray (3) is fixed to the back of the frame (1) by the positioning hole and the positioning post. The paper receiving tray (4) is installed at the bottom of the frame (1) with a pull-out structure. The inner side of the paper receiving tray (4) is provided with multiple arc-shaped guide ribs (22) for guiding the paper, and the outer side of the paper receiving tray (4) is hinged with a paper receiving extension plate (23).

10. A paper archival digital processing apparatus as claimed in any one of claims 1, 2, 4-9, wherein: The digital processing equipment also includes a controller (24), a single / double page detection sensor (25), a signal trigger sensor (26), and a paper jam detection sensor (27). The controller (24) is fixed on the frame (1). The single / double page detection sensor (25) is located below the paper feeding device (7). The signal trigger sensor (26) is located above the paper feeding device (7), above the coding device (9), and above the scanning device (8), respectively. The paper jam detection sensor (27) is located above the coding device (9) and between the scanning device (8). The controller (24) is used to receive the detection signals from the single / double page detection sensor (25), the signal trigger sensor (26), and the paper jam detection sensor (27), and to control the operation of the paper feeding device (7), the scanning device (8), and the coding device (9) according to the received detection signals.

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