CN210327720U

CN210327720U - Page turning device and scanning device

Info

Publication number: CN210327720U
Application number: CN201921118257.1U
Authority: CN
Inventors: 刘巍
Original assignee: Beijing Qianxun Future Technology Co Ltd
Current assignee: Beijing Qianxun Future Technology Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-14
Anticipated expiration: 2029-07-16

Abstract

A page turning device and a scanning device are provided. This page turning device includes: a force applying device configured to apply a force to the first scanning object so that the first scanning object is separated from the second scanning object; a force applying device moving part connected with the force applying device moving part and configured to move along a fixed track, wherein the fixed track intersects with the plane of the scanning object; and a scan object moving section configured to be able to move the scan object in a first direction and/or a second direction, wherein the first direction is parallel to a plane in which the scan object is located, and the second direction is perpendicular to the plane in which the scan object is located; wherein the scan object moving section moves the scan object to a predetermined position at a timing of starting a page turning operation. The page turning device is simple in structure and high in page turning efficiency.

Description

Page turning device and scanning device

Technical Field

The embodiment of the disclosure belongs to the field of scanning, and particularly relates to a page turning device and a scanning device.

Background

With the rapid development of internet technology, the learning, working and reading modes are gradually changed from paper mode to electronic mode, and the benefits of electronization are obvious. For example, in the field of electronic books, the electronization makes it possible to read interesting materials at all times and places without carrying heavy books with them, but with only one mobile device. As in the field of file management, the urgent problem of paper files includes storage, storage and retrieval of paper files, on one hand, storage of paper files takes up a lot of space, which is easy to lose and damage if storage is not proper, and especially in case of large quantity, how to quickly find out the needed files becomes a great challenge. The electronic file can solve the problems to a great extent, occupies small space, and is easy to store and convenient to search.

However, converting objects such as books, archives, etc. into electronic format still faces significant challenges. Most of the prior art adopts a mode of taking pictures of book archives page by page to ensure that the books archives are electronized, and the process of page turning mostly adopts an artificial mode, so that the working mode is obviously inefficient, the artificial mode has uncertainty, and the paper is easily damaged.

In recent years, instruments capable of automatically turning books and scanning appear, but turning pages in a book turning and scanning device is a problem which is difficult to solve, and because the paper of book files is different, especially ancient book files are old and long, a plurality of papers are fragile, and can be damaged by carelessness, so that great loss is caused.

Disclosure of Invention

In view of the above, embodiments of the present disclosure provide a page turning device, a method and a scanning device to at least partially solve the problems in the prior art.

According to a first aspect of the embodiments of the present disclosure, there is provided a page turning device configured to separate a first scan object and a second scan object of a booklet of scan objects by an angle, the page turning device including:

a force applying device configured to apply a force to the first scanning object such that the first scanning object is separated from a second scanning object;

a force applying device moving part to which the force applying device is connected and which is configured to move along a fixed rail intersecting a plane in which the scanning object is located; and

a scan object moving section configured to be capable of moving the scan object in a first direction and/or a second direction, wherein the first direction is parallel to a plane in which the scan object is located, and the second direction is perpendicular to the plane in which the scan object is located;

wherein, at a timing of starting a page turning operation, the scan object moving section moves the scan object to a position: the position of application of the force applied by the force applying means to the first scanned object is within a predetermined threshold range from the edge of the first scanned object.

According to a specific implementation of the embodiment of the present disclosure, at a timing of starting a page turning operation, the scan object is moved to a first predetermined position in a first direction, and when a distance of the scan object from a second predetermined position is greater than a predetermined value in a second direction, the scan object is moved to the second predetermined position.

According to a specific implementation of the embodiment of the present disclosure, the page flipping unit further includes an anti-bounce unit configured to press the flipped scan object after the first scan object and the second scan object are separated by a predetermined angle.

According to a specific implementation manner of the embodiment of the disclosure, the anti-bounce device presses the scanned object which has been turned by means of rotary pressing, and the page turning device adjusts the rotation angle of the anti-bounce device according to the number of pages which have been turned and/or the total moving distance of the scanned object in the first direction and/or the second direction.

According to a specific implementation manner of the embodiment of the present disclosure, the scan object is fixed to the scan object moving portion by the clamping device, and the page flipping device rotates the clamping device according to the detected book belly size and/or the total moving distance of the scan object in the first direction and/or the second direction.

According to a specific implementation of the embodiment of the present disclosure, the force applying device is rotatable along an axis perpendicular to the first and second directions while the force applying device moving part moves along the fixed rail, and the scan object moving part moves the scan object in the first direction so that the first scan object is not bent during page turning.

According to a specific implementation of the embodiment of the present disclosure, the page flipping device further includes a position sensor configured to stop the page flipping action when the first scanning object and the second scanning object are separated by the predetermined angle.

According to a specific implementation of the embodiment of the present disclosure, the position sensor is a light-sensitive sensor that is shielded by the first scanning object at the timing of starting the page turning operation, and the force applying device relatively slides with respect to the first scanning object such that the light sensor is not shielded by the first scanning object when the first scanning object and the second scanning separation angle reach a predetermined value.

According to a second aspect of embodiments of the present disclosure, there is provided a scanning apparatus including:

the page turning device according to the first aspect of the disclosed embodiment;

an image acquisition device configured to image the first scan object and/or the second scan object, on which the pages have been turned, and convert the obtained images into electronic data.

According to a third aspect of the embodiments of the present disclosure, there is provided a page turning method for separating a first scan object and a second scan object of a booklet of scan objects by an angle, the method including:

moving the scanning object to a predetermined position in a first direction and/or a second direction, wherein the first direction is parallel to a plane of the scanning object, and the second direction is perpendicular to the plane of the scanning object;

applying a force to the first scan object via a force applying device such that the first scan object is separated from a second scan object;

moving the force applying device along a fixed track, wherein the fixed track intersects a plane in which the scanning object is located;

wherein, at the timing of starting the page turning operation, the scan object is moved to the following positions: the position of application of the force applied by the force applying means to the first scanned object is within a predetermined threshold range from the edge of the first scanned object.

According to a fourth aspect of embodiments of the present disclosure, there is provided a scanning apparatus, including:

at least one processor; and the number of the first and second groups,

a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,

the memory stores instructions executable by the at least one processor to enable the at least one processor to perform a page turning method according to a third aspect of embodiments of the present disclosure.

The page turning device, the page turning method and the scanning device according to the embodiment of the disclosure have the advantages of simple structure, high efficiency and low noise, and can realize better page turning operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings needed to be used in the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a page turning device according to an embodiment of the present disclosure;

FIG. 2 is a flow diagram of a page turn operation according to an embodiment of the present disclosure;

FIG. 3 is a flowchart of a page turn operation according to an embodiment of the present disclosure;

FIG. 4 is a diagram illustrating a "book belly" that appears during a page flip operation;

fig. 5 is a diagram showing the arrangement of position sensors according to an embodiment of the present disclosure;

FIG. 6 is a flow chart diagram of a page turning method according to an embodiment of the present disclosure; and is

Fig. 7 is a block diagram of a scanning device according to an embodiment of the present disclosure.

Detailed Description

The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It should be noted that, in the following examples and embodiments, features may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

It is noted that various aspects of the embodiments will be described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present disclosure, and the drawings only show the components related to the present disclosure rather than the number, shape and size of the components in actual implementation, and the type, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.

In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.

The embodiment of the disclosure provides a page turning method. The page turning method provided by the embodiment may be executed by a computing device, which may be implemented as software or as a combination of software and hardware, and may be integrally provided in a server, a terminal device, or the like.

Hereinafter, technical solutions according to embodiments of the present disclosure are described in detail with reference to the accompanying drawings. It should be noted that in the following description, the term "scan object" refers to a carrier on which information can be recorded. Information recorded on a scan object is converted into digital information by a scanning operation of a scanning device. The scan object includes, for example, plain paper, coated paper, plastic sheet, and the like. Further, although in the following description, the present disclosure is described with an example in which a sheet of a book is taken as a scanning target, the scanning target may be, for example, a newspaper, a photograph, a ticket, or the like.

In the following description, although the force applying device is described by taking the chuck as an example, the force applied to the scanning object to separate the current scanning object (first scanning object) from the subsequent scanning object (second scanning object) is not limited to the attraction force applied by the chuck but may include, for example, one or more of an electrostatic attraction force, a magnetic attraction force, and a bionic attraction force. The force generated is not limited to the suction force, and may be a pushing force applied to the paper.

First, referring to fig. 1, a page turning device 100 according to an embodiment of the present disclosure is described. In fig. 1, 101 is a suction cup mounting portion, 102 is a gripping mechanism, 103 is a scanning support platform, 104 is a horizontal movement platform, 105 is a frame, 106 is a lifting mechanism, 107 is a scanning object, 108 is a page turning module, 109 is a left-side anti-bounce mechanism, 110 is a page pressing mechanism, and 111 is a right-side anti-bounce mechanism.

In the embodiment of the present disclosure, the left-right direction in fig. 1 is defined as an x direction, the up-down direction is defined as a y direction, and a direction perpendicular to the xy plane is defined as a z direction.

As shown in fig. 1, the horizontal moving platform 104 is mounted on the floor of the frame 105, and the horizontal moving platform 104 can move in the x direction, for example, along a guide rail. Furthermore, a lifting mechanism 106 is fixedly mounted on the horizontal moving platform 104, and the scanning support platform 103 is mounted on the lifting mechanism 106. Therefore, the scanning support platform 103 can move in the y direction under the action of the lifting mechanism 106. In addition, the scanning support platform 103 can move in the x direction following the horizontal moving platform 104. As such, the scanning support platform 103 according to embodiments of the present disclosure is capable of movement in both the x-direction and the y-direction degrees of freedom.

In addition, a page turning module 108 is installed on the rack 105, the page turning module 108 is connected with the suction cup installation part 101 provided with the suction cup, and the page turning module 108 can reciprocate along a guide rail arranged on the rack 105.

In addition, a left anti-bounce mechanism 109 and a right anti-bounce mechanism 111 are mounted on the scan support platform 103, and a leaf pressing mechanism 110 is also mounted on the frame 105.

When a page turning operation is performed, the scanning object 107 is gripped using the gripping mechanism 102, and the horizontal moving platform 104 is moved rightward so that the scanning object 107 is moved to a predetermined position. Further, the paging mechanism 110 operates to rotate the paging robot to a predetermined position, and then the elevating mechanism 106 operates to push the scan object 107 to move upward until it stops after contacting the paging robot. In this manner, the scan object 107 can be moved to a predetermined position in the x direction and the y direction.

Next, a page turning process for a hard paper and a soft paper is described with reference to fig. 2 and 3.

Referring to fig. 2, the process of turning pages for a relatively stiff (non-bendable or non-bendable) sheet is described. For thicker paper, because it cannot be bent, the page turning process is as follows:

s201: the page flipping module 108 operates to drive the suction cup mounting portion 101 to move downward until the suction cup on the suction cup mounting portion 101 contacts the scanning object 107.

S202: the sheet pressing mechanism 110 operates to stop the sheet pressing robot after moving up to a predetermined position so as to be away from the scanning object 107. Subsequently, the sucker installation part 101, the page turning module 104 and the horizontal moving platform 104 act in a coordinated manner to realize the page turning action until the image acquisition position is reached.

Specifically, in the page turning process, while the page turning module 104 (suction cup) moves along the fixed track, the suction cup can rotate along the axis in the z direction, and the horizontal moving platform 104 moves the scanning object in the x direction, so that the paper sheet is not bent in the page turning process. The rotation of the suction cup along the z-axis can be achieved, for example, by the suction cup mounting portion 101 being hinged to the leafing module 104.

S203: the tucking mechanism is actuated 110 and the tucking robot moves downward until it contacts the scan object 107 and stops. After the image is collected, the suction cup releases the picked-up page, and simultaneously the right anti-bounce mechanism 111 acts, the right page pressing rod moves leftwards, and the page is pushed to the left side of the scanning object 107 and is pressed tightly.

S204: the left page pressing rod presses the page turned on the left side by the action of the left anti-rebound mechanism 109, and then the right page pressing rod returns to the initial position by the action of the right anti-rebound mechanism 111. Thus, the page turning operation of one page of the scanned data is completed.

Referring to fig. 3, a page turning process for a softer (bendable) sheet is described. Because the softer paper can be bent, the page turning process is as follows:

s301: the page flipping module 108 operates to drive the suction cup mounting portion 101 to move downward until the suction cup on the suction cup mounting portion 101 contacts the scanning object 107.

S302: the sheet pressing mechanism 110 operates to stop the sheet pressing robot after moving up to a predetermined position so as to be away from the scanning object 107. Subsequently, the page turning module 108 acts to drive the picked page to move upwards along the module to the image acquisition position.

S303: the tucking mechanism is actuated 110 and the tucking robot moves downward until it contacts the scan object 107 and stops. After the image is collected, the suction cup releases the picked-up page, and simultaneously the right anti-bounce mechanism 111 acts, the right page pressing rod moves leftwards, and the page is pushed to the left side of the scanning object 107 and is pressed tightly.

S304: the left page pressing rod presses the page turned on the left side by the action of the left anti-rebound mechanism 109, and then the right page pressing rod returns to the initial position by the action of the right anti-rebound mechanism 111. Thus, the page turning operation of one page of the scanned data is completed.

In an embodiment according to the present disclosure, the page turning device 100 is configured to separate a first scan object and a second scan object of the registered scan objects 107 by an angle.

The scanned object may be a book, for example, which is in a state of being registered. Alternatively, the scan target in a book may be a scan target which is scattered by itself, but which is in a state of being in a book with one side thereof held by the holding mechanism 102.

In an embodiment of the present disclosure, the first scan object may be a page that needs to be currently opened, and the second scan object may be a page adjacent to the first scan object.

In addition, the page flipping unit 100 separates the first scan object and the second scan object by an angle, such as 60 °, 90 °, 110 ° or other suitable angle, through the above-described operation, so as to facilitate the subsequent image forming operation.

The page turning device 100 according to an embodiment of the present disclosure includes a suction cup as an example of the force applying means. Specifically, the suction cup is mounted on the suction cup mounting portion 101. During a page turning operation, the suction cup attracts the first scan object to apply a force to the first scan object that separates the first scan object from the second scan object. In an embodiment of the present disclosure, the force that separates the first scan object from the second scan object is a suction force generated by the suction cup.

In addition, the page turning device 110 according to an embodiment of the present disclosure further includes a page turning module 108 as an example of the force applying device moving part, and the page turning module 108 moves along a fixed track. Specifically, in the present exemplary embodiment, the fixed rail is disposed on the gantry 105 at a predetermined angle, such as 35 °, 45 °, or other suitable angle, with respect to the plane in which the scan object 107 lies.

In the exemplary embodiment, the suction cup is connected to the page flipping module 108 via the suction cup mounting portion 101, so as to move the suction cup along the fixed track during the process of moving the page flipping module 108 along the fixed track. As described above, since the fixed track intersects with the plane of the scanning object, when the page flipping module 108 drives the suction cup to reciprocate along the fixed track, the first scanning object and the second scanning object attracted by the suction cup can be separated, and the separation angle can be controlled by the movement amount of the page flipping module 108.

In the embodiment of the present disclosure, by mounting the paging module 108 on the frame 105 and arranging the paging module 108 to move along a fixed rail, it is possible to improve the stability of the entire scanning apparatus. Specifically, during the scanning process, the page flipping module 108 needs to go back and forth once for each page flipping operation to flip the first scanning object. For high-speed scanning, the moving stroke of the page turning module 108 is long, and the speed of the motor driving the page turning module 108 is high, so that the stability of the scanning device can be improved to the maximum extent by arranging the fixed track, the noise in the scanning process is reduced, and the driving complexity of the motor driving the page turning module 108 is reduced.

In the case where the page turning module 108 drives the suction cups to move along the fixed track, the positions of the suction cups are fixed for the predetermined positions on the track. Therefore, as the page turning process progresses, the number of pages of the turned pages increases and the number of pages of the non-turned pages decreases, resulting in the page turning module 108 needing to move down a longer distance to make contact with the scanned object 107. In this case, if the scan object is kept still during the page turning process, the position where the suction cup contacts the first scan object is continuously close to the edge of the page, and eventually may not contact the page (the suction cup is moved out of the range of the scan object).

Therefore, in the embodiment of the present disclosure, the page flipping device 100 further includes a scan object moving part configured by the horizontal moving platform 104 and the elevating mechanism 106 shown in fig. 1. Specifically, the horizontal moving platform 104 is mounted on the floor of the rack 105, and the horizontal moving platform 104 can move in the x direction of fig. 1 along a guide rail. In addition, the horizontal moving platform 104 is fixedly provided with a lifting mechanism 106, and the scanning support platform 103 is arranged on the lifting mechanism 106, so that the scanning support platform 103 can move in the y direction in fig. 1 under the action of the lifting mechanism 106. In this manner, the scan object 107 can move in a first direction (x-direction, a direction parallel to a plane on which the scan object 107 is located) and a second direction (y-direction, a direction perpendicular to the plane on which the scan object 107 is located).

During the page turning process, the page turning module 108 drives the suction cup to move downward, so that the suction cup contacts with the first scanning object. In an embodiment of the present disclosure, the contact position of the suction cup with the first scanning object is required to be at a position close to the edge of the first scanning object so as to be able to effectively separate the first scanning object from the second scanning object. Experiments show that when the contact position of the sucker and the first scanning object is within 6cm from the edge of the page, the separation success rate of the first scanning object and the second scanning object can reach more than 96%.

Therefore, in the embodiment of the present disclosure, at the timing of starting the page turning operation, the scan object moving section (the horizontal moving platform 104 and the elevating mechanism 106) moves the scan object 107 to a position such that the position of action of the suction force of the suction cup is within a predetermined threshold range from the edge of the first scan object. The predetermined threshold may be, for example, 10cm, 8cm, 6cm, 4cm or other suitable values, but in the embodiment of the present disclosure, the predetermined threshold is set to 6cm, so that a separation success rate of more than 96% can be guaranteed.

As described above, the position of the suction cup is determined for the fixed position of the page flipping module 108 on the fixed track. Therefore, as long as the scan object 107 is moved by the horizontal movement platform 104 and the elevating mechanism 106, the contact position of the suction cup with the first scan object can be secured. Specifically, with the position in the x direction fixed, moving the scan object 107 in the + y direction can increase the distance from the edge of the page, and moving the scan object 107 in the-y direction can decrease the distance from the edge of the page. Further, with the position in the y direction fixed, moving the scan object 107 in the + x direction can increase the distance from the edge of the page, and moving the scan object 107 in the-x direction can decrease the distance from the edge of the page.

In the embodiment of the present disclosure, the page flipping module 108 is configured to move in one direction, and the scanning object is configured to move in two degrees of freedom, which is particularly advantageous for improving the stability and efficiency of the scanning apparatus. This is because the amount of movement of the scan object 107 during the page turning process is small and is low compared to the moving rate of the page turning module 108, so that there is enough time to move the scan object 107 in both directions (x-direction and y-direction). Thus, the time required by the page turning module 108 to move is reduced, the stability of the scanning device can be ensured to the maximum extent, and the noise during the motor driving is reduced.

It should be understood that although it is described above that the scanning object 107 is moved in two directions (x direction and y direction) to control the position of action of the suction force of the suction cup to be within a predetermined threshold range from the edge of the first scanning object, the present invention is not limited thereto. The scanning apparatus according to the embodiment of the present disclosure may also achieve the above-described effect by moving the scan object 107 only in the x direction or the y direction. Specifically, as the page flipping process proceeds, the scan object 107 may be moved only in the + x direction. Alternatively, the scan object may be moved only in the + y direction. This can achieve the same effect of controlling the position of action of the suction force of the suction cup to be within a predetermined threshold range from the edge of the first scanned object. According to a specific implementation of the embodiment of the present disclosure, at the timing of starting the page turning operation, the scan object 107 is moved to a first predetermined position in the x direction. That is, for each page turning operation, the scan object 107 is moved to a fixed position in the x direction at the start of page turning. Therefore, on one hand, the difficulty of control is reduced, and on the other hand, the contact position of the sucker and the current page can be ensured only by ensuring the position of the scanning object 107 in the y direction.

In the embodiment of the present disclosure, it is not necessary to move the scan object 107 to the predetermined position in the y direction each time, because the contact position of the suction cup with the first scan object is moved toward the edge of the page as the page turning process proceeds, and thus, the success rate of page separation can be improved. Therefore, in the embodiment of the present disclosure, the scan object 107 is moved to the second predetermined position only when the distance of the first scan object of the scan object 107 from the predetermined position in the y direction is greater than the predetermined value.

The predetermined value may be determined based on a threshold of the position of the chuck in contact with the first scan object from the edge of the page and the angle of the stationary track to the scan object 107. For example, when the distance of the first scanning object from the predetermined position in the y direction is the predetermined value, the suction position of the suction cup is just at the edge position of the first scanning object. As such, by moving the scan object 107 stepwise instead of continuously, the amount of control of the scan object 107 is further reduced.

According to a specific implementation manner of the embodiment of the present disclosure, the page flipping unit 100 includes

anti-bounce units

109 and 111, and the left anti-bounce mechanism 109 and the right anti-bounce mechanism 111 press the flipped scan object after the first scan object and the second scan object are separated by a predetermined angle (see the foregoing description for specific operations).

In the embodiment according to the present disclosure, the

kickback prevention apparatuses

109 and 111 are disposed at a side of the scanning apparatus, and particularly, the

kickback prevention apparatuses

109 and 111 are disposed at a side away from the operator's operation, thereby preventing the

bulletproof apparatuses

109 and 111 from interfering with the operator's operation.

According to a specific implementation manner of the embodiment of the present disclosure, the

bounce prevention devices

109 and 111 press the scanned object whose pages have been turned by means of the rotation pressing, and the rotation angle of the

bounce prevention devices

109 and 111 is adjusted according to the number of pages of the scanned object 107 whose pages have been turned or the total moving distance in the y direction, the moving distance in the x direction, or the total moving distance in the y direction. In this case, the number of pages turned, the total moving distance in the x or y direction corresponds to the thickness of the page turned. In the present exemplary embodiment, the movement distance in the x direction refers to a distance from a predetermined position in the x direction, and the total movement distance in the y direction refers to a total movement amount of the scanning object in the y direction.

Specifically, as the page turning process proceeds, the number of pages of turned pages increases, the thickness increases, and therefore the rotation angle of the kickback prevention mechanisms 409 and 411 needs to be reduced. According to one embodiment, the scanning device may count the number of pages turned over, and the thickness is substantially uniform for a particular type of paper, so that the number of pages turned over corresponds to the thickness of the pages turned over. Therefore, the rotation angle of the anti-rebounding device can be directly adjusted according to the page number of the turned pages.

According to another embodiment, the adjustment amount of the rotation angle of the kickback prevention apparatus is related to the total movement amount of the scanned object 107 in the y direction, and in the embodiment of the present disclosure, the total movement amount in the y direction indicates the driving amount of the elevating mechanism 106 in the y direction and corresponds to the number and thickness of pages of the turned page surface, so that the rotation angle of the kickback prevention apparatus can be indirectly adjusted according to the total movement distance of the scanned object in the second direction. This indirect approach is particularly advantageous because the total amount of movement of the scan object in the y-direction can be easily obtained by the number of pulses of the motor driving the elevator mechanism 106.

According to another embodiment, in case the scanning object can only move in the x-direction, in order to achieve that the sucker position is within a predetermined threshold range from the edge of the page, the scanning object needs to move in the x-direction according to the thickness it has turned over. That is, in this case, the page turning device adjusts the rotation angle of the kickback prevention device according to the moving distance in the first direction (x direction).

In the above, the number of pages turned, and the total moving distance of the scanned object in the first direction and the second direction are all associated with the thickness of the turned pages.

According to a specific implementation of the disclosed embodiment, the scan object 107 is fixed to the scan support platform 103 by the clamping mechanism 102. In the embodiment according to the present disclosure, the rotation of the gripping mechanism 102 is made in accordance with the total movement amount of the scan object 107 in the y direction.

Specifically, as shown in fig. 4, as the page turning operation proceeds, the turned page forms a bulge (book belly) at a position close to the clamping portion, which may cause the page to bend, thereby affecting the subsequent imaging process, especially in the case where the scanned object 107 is thick, and even the page cannot be turned. Therefore, in the embodiment according to the present disclosure, as the scan object 107 moves upward (the page turning process proceeds), the clamping mechanism 102 can rotate to reduce the book belly. During the page turning process as shown in fig. 4, the clamping mechanism 102 can be rotated counterclockwise, thereby reducing the book belly.

According to one embodiment, the page turning device directly causes the clamping mechanism to rotate or adjusts the amount of rotation of the clamping mechanism 102 based on the size of the book well. The size of the book frame is generally related to the curvature radius of the bent page turned over, so that the size of the book frame can be obtained by detecting the curvature radius of the bent page turned over.

According to another embodiment, the gripping mechanism 102 may be rotated according to the total moving distance of the scan object in the second direction, that is, the rotating amount of the gripping mechanism 102 is related to the total moving amount of the scan object 107 in the vertical direction. Specifically, the larger the total movement amount of the scanning object 107 in the vertical direction, the larger the rotation amount of the clamp mechanism 102, and thus the generation of the book belly (bulge) can be reduced.

According to yet another embodiment, in case the scanning object can only move in the x-direction, in order to achieve that the sucker position is within a predetermined threshold range from the edge of the page, the scanning object needs to move in the x-direction according to the thickness it has turned over. That is, in this case, the page flipping means rotates the clamping means according to the moving distance in the first direction (x direction).

In the above, the book belly size and the total moving distance of the scanning object in the first direction and the second direction are all related to the thickness of the turned page.

According to a specific implementation of the embodiment of the present disclosure, the scan object moving part moves the scan object in the x direction in fig. 1 while the force applying device moving part moves along the fixed rail, and the force applying device (suction cup) can rotate along the axis of the z direction so that the first scan object is not bent during the page turning.

For softer sheets, it can be bent during the page turning process to improve the page turning efficiency, however, for thicker sheets, it cannot be bent, and thus a cooperative motion of the horizontal moving platform 104 and the suction cups is required so that the sheet is not bent. Specifically, in the embodiment of the present disclosure, the horizontal moving platform 104 can move in the x direction, and the suction cup mounting portion 101 is rotatably mounted on the page turning module 108, so that the force application direction of the suction cup can be changed during the page turning process. That is, in this case, the sheet is rotated around the spine portion without being bent.

In other words, the motion of the page flipping module 108 and the horizontal moving platform 104 can be controlled so that the page to be flipped does not bend during the page flipping process. This control is particularly useful for hard shell books. Alternatively, for softer paper, the horizontal moving platform 104 may not move while the leafing module 108 moves directly along the fixed rail during leafing. This case can improve page turning efficiency although the page is bent, which is particularly advantageous for a softer paper.

According to a specific implementation of the embodiment of the present disclosure, the page turning device 100 further includes a position sensor configured to stop the page turning action when the first scanning object is separated from the second scanning object by an angle reaching a predetermined value.

In the page turning process, the first scan object and the second scan object need to be separated by a predetermined angle. In an embodiment of the present disclosure, the control of the position is achieved by a position sensor. As shown in fig. 5, the position sensor 502 may be a light-sensitive sensor provided on the suction cup mounting portion 503.

The light sensor generally refers to a device that senses light energy from ultraviolet light to infrared light and converts the light energy into an electrical signal. The light sensor mainly comprises a photosensitive element, and is mainly divided into an ambient light sensor, an infrared light sensor, a sunlight sensor, an ultraviolet light sensor and the like.

Further, as shown in fig. 5, the light-sensitive sensor is installed at a position closer to the edge of the scanning object 107 than the suction cup 501, and when the suction cup 501 comes into contact with the first scanning object at the start of the page turning operation, the light-sensitive sensor is set to be shielded by the first scanning object, that is, within the range of the scanning object at the start of the page turning operation.

As the page turning process proceeds, the suction pad 501 moves in an obliquely upward direction while adsorbing the first scan target, so that the angle between the first scan target and the second scan target is continuously increased, and when the angle between the first scan target and the second scan target reaches a predetermined value, the first scan target is flattened. When the suction cup 501 continuously drives the first scanning object to move, the suction cup 501 slides relative to the first scanning object, so that the light sensor leaks out of the first scanning object, i.e. is not shielded by the first scanning object.

In this case, the light sensor sends a signal to stop driving the motor driving the page flipping module 108, so that the angle between the first scanning object and the second scanning object is maintained at a predetermined value, and the first scanning object and the second scanning object can be ensured to be flat for the subsequent image forming operation.

It is particularly advantageous to provide the position sensor 502 in such a way that it can be ensured that the scanned object 107 is paged into the appropriate position for different sizes. For example, the distance that the flat leafing die set needs to move is different for a4 size sheets and A3 size sheets, which ensures that the flat leafing die set can be moved to the proper position for any size sheet and that the separation angle is approximately equal for the same size sheet.

Although the above has been described as a position sensor by way of example as a light-sensitive sensor, other types of sensors are possible. For example, the position sensor may be a laser diode or the like as long as it can detect whether or not the separation angle of the first scanning object from the second scanning object reaches a prescribed angle.

Referring to fig. 6, the present disclosure also provides a page turning method corresponding to the above page turning apparatus, and the method is used for separating a first scan object and a second scan object in a scanned object of a book by an angle. The page turning method comprises the following steps:

s601: moving a scan object to a predetermined position in a first direction and a second direction, wherein the first direction is parallel to a plane in which the scan object is located, and the second direction is perpendicular to the plane in which the scan object is located.

S602: a force is applied to the first scan object via a force applying device that separates the first scan object from a second scan object.

S603: moving the force applying device along a fixed trajectory, wherein the fixed trajectory intersects a plane in which the scan object lies.

In an embodiment according to the present disclosure, at the timing of starting the page turning operation, the scan object is moved to the following positions: the position of application of the force applied by the force applying means to the first scanned object is within a predetermined threshold range from the edge of the first scanned object.

Since the page turning method according to the embodiment of the present disclosure has been described above with reference to the page turning device 100, it is not described herein in detail.

The embodiment of the present disclosure further provides a scanning device, which includes:

a page turning device as described above;

at least one processor; and the number of the first and second groups,

the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the page turning method of the above method embodiments.

Referring next to fig. 7, a block diagram of a scanning apparatus 700 according to an embodiment of the present disclosure is described. As shown in fig. 7, a scanning device 700 according to an embodiment of the present disclosure includes a page turning device 710 and an image forming device 720. Further, the scanning apparatus 700 according to the present disclosure further includes a controller 200, and the controller 200 includes a Central Processing Unit (CPU)201 as a control unit.

Further, the controller 200 includes a Read Only Memory (ROM)202, a Random Access Memory (RAM)203, and a Hard Disk Drive (HDD) 204. Further, the controller 200 includes an interface 205. The ROM 202, RAM 203, HDD 204, and interface 205 are connected to the CPU 201 via a bus. A basic program for causing the CPU 201 to operate is stored in the ROM 202. The RAM 203 is a storage device in which various data such as calculation processing results of the CPU 201 are temporarily stored. The HDD 204 is a storage device in which results of calculation processing by the CPU 201, image data acquired by the imaging apparatus 720, and the like are stored, and is also used to record therein programs for causing the CPU 201 to execute various controls.

The CPU 201 controls the operations of the page flipping device 710 and the image forming device 720 by programs recorded in the HDD 204.

It should be understood that portions of the present disclosure may be implemented in hardware, software, firmware, or a combination thereof.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present disclosure should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A page turning apparatus configured to separate a first scan object and a second scan object of a booklet of scan objects by an angle, comprising:

2. The page turning device according to claim 1, wherein the scan object is moved to a first predetermined position in a first direction at a timing when a page turning operation is started, and the scan object is moved to a second predetermined position when a distance of the scan object from the second predetermined position is greater than a predetermined value in a second direction.

3. The page turning device of claim 1, further comprising an anti-bounce device configured to press the turned scan object after the first scan object and the second scan object are separated by a predetermined angle.

4. The page turning device of claim 3, wherein the anti-bounce device presses the scanned object turned by the rotational pressing, and the page turning device adjusts a rotation angle of the anti-bounce device according to the number of pages turned and/or a total moving distance of the scanned object in the first direction and/or the second direction.

5. The page turning device according to claim 1, wherein the scan object is fixed to the scan object moving part by a clamping device, and the page turning device rotates the clamping device according to the detected book pocket size and/or the total moving distance of the scan object in the first direction and/or the second direction.

6. The page turning device according to claim 1, wherein the force applying device is rotatable along an axis perpendicular to the first and second directions while the force applying device moving part moves along the fixed rail, and the scan object moving part moves the scan object in the first direction so that the first scan object is not bent during the page turning.

7. The page turning device of claim 1, further comprising a position sensor configured to cause a page turning action to stop when the first scanned object is separated from the second scanned object by an angle that reaches a predetermined value.

8. The page turning device according to claim 7, wherein the position sensor is an optical sensor, the optical sensor is shielded by the first scanning object at a timing to start the page turning operation, and the force applying means relatively slides with respect to the first scanning object so that the optical sensor is not shielded by the first scanning object when the first scanning object and the second scanning angle apart reach a predetermined value.

9. A scanning device, comprising:

the page turning device of any one of claims 1-8;