CN110435327B - Book sucking mechanism and method applied to automatic page turning scanner - Google Patents
Book sucking mechanism and method applied to automatic page turning scanner Download PDFInfo
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- CN110435327B CN110435327B CN201910732550.5A CN201910732550A CN110435327B CN 110435327 B CN110435327 B CN 110435327B CN 201910732550 A CN201910732550 A CN 201910732550A CN 110435327 B CN110435327 B CN 110435327B
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- suction
- suction tube
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- page
- book
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D9/00—Bookmarkers; Spot indicators; Devices for holding books open; Leaf turners
- B42D9/04—Leaf turners
- B42D9/06—Leaf turners having an arm reset after each operation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/0035—User-machine interface; Control console
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
Abstract
The invention discloses a book sucking mechanism applied to an automatic page-turning scanner, which comprises a rotating arm, a sucking cylinder, a sliding block, a first stepping motor, a second stepping motor, a third stepping motor, a suction motor and an air guide pipe, wherein the rotating arm is connected with the sucking cylinder; the suction tube is moved to the right side of the book cover, the lower surface of the suction tube contacts the book cover, the suction motor is started, and the suction airflow lifts and separates the pages; the suction tube continues to rotate until the pages are attached and the edges of the pages are adsorbed, and meanwhile, when the edges of the pages are located on a page adsorption area of the suction tube, the suction tube rotates, the edges of the pages are adsorbed and bent, and the later pages cannot obtain suction force and cannot be bent and are separated from the first page which is adsorbed. In addition, the invention also discloses a book sucking method applied to the book sucking mechanism of the automatic page-turning scanner. The invention can efficiently and reliably complete the page sucking and page turning tasks of the books and improve the page turning scanning efficiency.
Description
Technical Field
The invention relates to the technical field of instruments, in particular to a book sucking mechanism and a book sucking method applied to an automatic page-turning scanner.
Background
With the rapid development of information technology, electronic data becomes a necessary way for people to obtain effective information rapidly, and has the advantages of rapidness, trouble saving, money saving and the like. In these days, newly published publications such as books and magazines are usually accompanied by corresponding electronic versions, and for previously published publications such as physical books and magazines, electronic versions of the publications are usually generated through scanning and are archived and disseminated. In the face of the fact that the electronic versions of a huge number of publications such as books, magazines and the like in a library need to be converted without destroying the publications, if an efficient and convenient scanning tool such as an automatic page-turning scanner does not exist, the workload of scanning and generating the electronic versions is a huge challenge, and even is difficult to be completed in a manual mode.
In the prior art, some automatic page-turning scanners in the United states and Europe need huge digital line support, and operators need to pay attention to safety and the like during manual intervention, so that the automatic page-turning scanners are expensive in manufacturing cost, very large in size and complex in page-turning structure.
Automatic page turning scanners for products produced at home and abroad to be put on the market are expensive, and have many problems in practical application, for example, whether only one page of book is turned up at a time cannot be determined, so that the situation that sometimes an automatic page turning mechanism turns up two or more pages at a time due to static electricity or other reasons existing among pages occurs. The product promotion video is exemplified by a specific book, and only the front pages are turned, so that if the whole book is turned to the end, many problems are exposed, and the product promotion video is difficult to be accepted by users as a qualified product.
In the automatic page-turning scanner in the prior art, a book is usually placed on a controllable movable book support to open a cover, an air suction disc is moved to suck and move pages, and then the pages are turned over and pressed flat by a movable transparent push plate so as to be photographed and scanned. In addition, a mechanical friction type page turning scheme can be adopted, so that scanned pages do not need to be flattened during scanning, and the pages are twisted up by adopting a mechanical part, namely a book twisting mechanism, so that the reliability is not high and the pages are easy to damage. In addition, the above solution has many special requirements for the scanned books.
The inventor finds that in the prior art, a scheme of vacuum book suction generally uses a plane sucker to suck pages and turn pages, the plane sucker can easily suck two or more pages at a time, so that the scanning result is inconsistent with the actual content of the book, even if a function module for detecting and processing the pages and sucked simultaneously is arranged in an automatic page-turning scanner to process the situation, the operation time of page-turning scanning is delayed due to the addition of extra detection and processing steps, and the working efficiency of the automatic page-turning scanner is greatly influenced.
Disclosure of Invention
Based on this, for solving the technical problem among the prior art, a book absorbing mechanism who is applied to automatic page turning scanner has especially been proposed.
The book sucking mechanism comprises a rotating arm, a sucking barrel, a sliding block, a first stepping motor, a second stepping motor, a third stepping motor, a suction motor and an air guide pipe.
The third stepping motor is fixedly connected to the sliding block, and the sliding block is driven by the third stepping motor to move in a left-right parallel reciprocating mode; the first stepping motor and the second stepping motor are arranged in the sliding block.
The sliding block comprises a first shaft seat and a first rotating shaft which are positioned at the right end of the sliding block, and the first rotating shaft is loaded in the first shaft seat; the first stepping motor is used for driving the first rotating shaft to rotate clockwise or anticlockwise.
The rotating arm is a curved rotary connecting component with a trapezoidal section and comprises a first shaft hole positioned at the bottom corner of the left side of the rotating arm, a second shaft seat positioned at the bottom corner of the right side of the rotating arm and a second rotating shaft; the first shaft hole is used for accommodating the first rotating shaft, and the first rotating shaft is fixedly connected to the rotating arm; the rotation arm is rotated clockwise or counterclockwise about the first rotation axis by the driving of the first stepping motor.
The second rotating shaft is borne in the second shaft seat; the second stepping motor is used for driving the second rotating shaft to rotate clockwise or anticlockwise.
The suction tube comprises an upper surface, a lower surface and side surfaces, and the three surfaces form a cylindrical component with a triangular section; the lower surface and the side surface of the suction tube are connected by an arc surface; the circular arc surface connected between the lower surface and the side surface of the suction tube is a suction area, a plurality of suction holes are distributed in the suction area, and the suction holes are connected to the suction motor through the air guide tube; when the air suction motor is started, the air suction motor forms air suction flow at the air suction hole through the air guide pipe.
A second shaft hole is formed in an included angle area between the upper surface and the lower surface of the suction tube; the second shaft hole is used for accommodating the second rotating shaft, and the second rotating shaft is fixedly connected to the suction tube; the suction tube is rotated clockwise or counterclockwise about the second rotation shaft by the driving of the second stepping motor.
In one embodiment, the book sucking mechanism further comprises a plurality of laser sensors and a controller; the laser sensor is connected to the controller, and the controller is connected to the third stepping motor.
In one embodiment, a first laser sensor and a second laser are respectively arranged at two side edges of an arc surface connected between the lower surface and the side surface of the suction tube; the first laser sensor is positioned at the joint of the arc surface edge and the side surface of the suction tube; the second laser is positioned at the joint of the arc surface edge and the lower surface of the suction tube.
In one embodiment, the book sucking mechanism further comprises an air blowing pipe, and the air blowing pipe is arranged above a right book to be scanned; the pages behind the pages sucked up by the suction tube cannot be sucked by the suction air flow and cannot be bent, so that the pages are separated from the sucked up pages, and the separated pages are blown down by the blowing air flow emitted by the blowing pipe.
The invention also discloses a book sucking method applied to the book sucking mechanism of the automatic page-turning scanner, which comprises the following steps:
a first stepping motor and a second stepping motor are arranged in the sliding block, and a third stepping motor is fixedly connected to the sliding block; fixedly connecting a rotating arm to a first rotating shaft, wherein the first rotating shaft is borne in a first shaft seat at the right end of the sliding block; fixedly connecting the suction tube to a second rotating shaft, wherein the second rotating shaft is borne in a second shaft seat at the right end of the rotating arm; the suction tube comprises an upper surface, a lower surface and side surfaces, and the three surfaces form a cylindrical component with a triangular section.
The third stepping motor drives the sliding block and the rotating arm to move the suction tube rightwards to the upper part of the right side book surface of the book to be scanned; the first stepping motor drives the first rotating shaft to rotate clockwise, and the rotating arm fixedly connected to the first rotating shaft rotates clockwise around the first rotating shaft; the second stepping motor drives the second rotating shaft to rotate clockwise, and the suction tube fixedly connected to the second rotating shaft rotates clockwise around the second rotating shaft until the lower surface of the suction tube contacts the right written surface of the book to be scanned.
A plurality of air suction holes are formed in a leaf suction area formed by an arc surface connected between the lower surface and the side surface of the suction tube, and the air suction holes are connected to an air suction motor through air guide tubes; when the air suction motor is started, the air suction motor forms air suction flow at the air suction hole through the air guide pipe.
When the angle between the side surface of suction tube and the right side paper surface is 45 degrees opens the motor of breathing in, the air current of breathing in that the motor of breathing in produced lifts the page and separates, simultaneously the suction tube lasts clockwise turning until laminating right side paper surface, and adsorbs the page edge on the suction tube inhale the page region, ensure promptly that the page edge of inhaling is in on the arc surface between the lower surface of suction tube and the side surface.
When the pages are sucked and the edges of the pages are positioned on the arc surface between the lower surface and the side surface of the suction tube, the second stepping motor drives the second rotating shaft to rotate anticlockwise, the suction tube rotates anticlockwise for 45 degrees around the second rotating shaft, and the sucked edges of the pages are sucked and bent at the page suction area formed by the arc surface; the pages after being sucked up cannot be absorbed by the air flow and cannot be bent, so that the pages are separated from the sucked up pages.
The slider moves the rotating arm and the suction cylinder to move leftwards in parallel under the driving of the third stepping motor, meanwhile, the first stepping motor drives the first rotating shaft to rotate anticlockwise, the rotating arm rotates anticlockwise around the first rotating shaft, the suction airflow generated by the suction motor continuously adsorbs the page edges, when the suction cylinder moves to the left side of the paper surface to turn pages, the suction motor is turned off, and the adsorbed pages fall to the left side of the paper surface to complete page turning operation.
In one embodiment, in order to ensure that the edge of the sucked page is positioned on the arc surface between the lower surface and the side surface of the suction tube, the book sucking mechanism is also provided with a plurality of laser sensors and a controller; the laser sensor is connected to the controller, and the controller is connected to the third stepping motor.
In one embodiment, a first laser sensor and a second laser are respectively arranged at two side edges of a circular arc surface between the lower surface and the side surface of the suction tube; the first laser sensor is positioned at the joint of the arc surface edge and the side surface of the suction tube; the second laser is positioned at the joint of the arc surface edge and the lower surface of the suction tube.
In one embodiment, when the edge of the sucked page is not positioned on the arc surface between the lower surface and the side surface of the suction tube and the edge of the page crosses the arc surface, the sucked page shields the first laser sensor; when the first laser sensor is shielded by the sucked page, a high-potential signal is sent to the controller connected with the first laser sensor; when a program of the controller detects a high potential signal sent by the first laser sensor, the controller controls the third stepping motor to enable the sliding block to move the rotating arm and the suction cylinder in parallel rightwards and perform page suction operation again until the first laser sensor is not shielded by pages.
In one embodiment, when the sucked page edge is not positioned on the arc surface between the lower surface and the side surface of the suction tube and the page edge is not positioned on the lower surface of the suction tube beyond the arc surface, the second laser sensor is not shielded; because the second laser sensor is not shielded by the sucked page, the controller connected with the second laser sensor cannot detect a high-potential signal sent by the second laser sensor, and the controller controls the third stepping motor to enable the sliding block to move the rotating arm and the suction tube leftwards in parallel and to perform the page sucking operation again until the second laser sensor is shielded by the sucked page.
In one embodiment, an air blowing pipe is arranged above the right side book to be scanned; the pages after being sucked up cannot be absorbed by the sucked air flow and cannot be bent, so that the pages are separated from the sucked up pages, and the separated pages are blown down by the blowing air flow sent by the blowing pipe.
The embodiment of the invention has the following beneficial effects:
the technical scheme of the invention realizes the book sucking mechanism which is applied to the automatic page-turning scanner and can automatically compensate displacement in all directions. By adopting the technical scheme of the invention, special requirements on the scanned books are not required, and the scanning task of the physical books or other publications can be efficiently and reliably completed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other schematic drawings can be obtained according to the drawings without creative efforts.
Wherein:
fig. 1 is a schematic side view of a book attracting mechanism applied to an automatic page-turning scanner according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention discloses a book sucking mechanism applied to an automatic page-turning scanner, which specifically comprises:
the device comprises a rotating arm 1, a suction tube 2, a sliding block 3, a first stepping motor 4, a second stepping motor 5, a third stepping motor 6, a suction motor 7 and an air guide pipe 8;
the third stepping motor 6 is fixedly connected to the slide block 3, and the slide block 3 is driven by the third stepping motor 6 to move in a left-right parallel reciprocating manner; the first stepping motor 4 and the second stepping motor 5 are arranged in the slide block 3.
The sliding block 3 comprises a first shaft seat 11 and a first rotating shaft 12 which are positioned at the right end of the sliding block, and the first rotating shaft 12 is loaded in the first shaft seat 11; the first stepping motor 4 is used for driving the first rotating shaft 12 to rotate clockwise or counterclockwise.
The rotating arm 1 is a curved rotary connecting component with a trapezoidal section and comprises a first shaft hole positioned at the bottom corner of the left side of the rotating arm, a second shaft seat 13 positioned at the bottom corner of the right side of the rotating arm and a second rotating shaft 14; wherein the first shaft hole is used for accommodating the first rotating shaft 12 and fixedly connecting the first rotating shaft 12 to the rotating arm 1; the boom 1 is rotated clockwise or counterclockwise about the first rotation axis 12 by the driving of the first stepping motor 4.
Generally, the book sucking mechanism can be provided with a pair of rotating arms 1, and the rotating arms 1 are respectively arranged at the front end and the rear end of the slide block 3; the pair of swivel arms 1 is used to carry a second rotation axis 14.
The second rotating shaft 14 is carried in the second shaft seat 13; the second stepping motor 5 is configured to drive the second rotating shaft 14 to rotate clockwise or counterclockwise.
The suction tube 2 comprises three surfaces, namely an upper surface 21, a lower surface 22 and a side surface 23, and the three surfaces of the suction tube 2 form a cylindrical component with a triangular section of the suction tube 2; the lower surface 22 and the side surface 23 are connected by a circular arc surface 24; the circular arc surface 24 connected between the lower surface 22 and the side surface 23 is a page suction area, a plurality of air suction holes are distributed on the page suction area, the air suction holes are connected to the air suction motor 7 through air guide tubes 8, and the air suction motor 7 forms air suction flow at the air suction holes through the air guide tubes 8; a second shaft hole is formed in an included angle area between the upper surface 21 and the lower surface 22 of the suction tube 2, and is used for accommodating the second rotating shaft 14 and fixedly connecting the second rotating shaft 14 to the suction tube 2; the suction tube 2 is rotated clockwise or counterclockwise about the second rotation shaft 14 by the driving of the second stepping motor 5.
In particular, the book sucking mechanism further comprises a plurality of laser sensors and a controller (not shown in the figure), and the plurality of lasers are connected to the controller.
In particular, the plurality of laser sensors comprises a first laser sensor 25, a second laser 26; a first laser sensor 25 and a second laser 26 are respectively arranged at the two side edges of an arc surface 24 connected between the lower surface 22 and the side surface 23 of the suction tube 2; the first laser sensor 25 is positioned at the joint of the edge of the arc surface 24 of the suction tube and the side surface 23; the second laser 26 is positioned at the joint of the edge of the arc surface 24 of the suction tube and the lower surface 22; the first laser sensor 25 and the second laser 26 are connected to the controller.
Particularly, the book sucking mechanism further comprises an air blowing pipe 9, and the air blowing pipe 9 is positioned above a right book to be scanned; the pages after being sucked up cannot be sucked by the suction air flow and cannot be bent, so that the pages are separated from the sucked up pages, and the separated pages are blown down by the blowing air flow sent by the blowing pipe 9.
When the book sucking mechanism disclosed by the invention is applied to an automatic page turning scanner, the automatic page turning scanner further comprises a book supporting mechanism 10 and a scanning device, the book sucking device disclosed by the invention is arranged above the book supporting mechanism 10, the book supporting mechanism is used for supporting a book to be scanned, the book sucking device sucks up a right page and realizes a left page turning operation, so that the book sucking device is matched with the book supporting mechanism 10 to complete a page turning process, and finally, the scanning device arranged above the book to be scanned realizes a scanning function.
In addition, the invention also discloses a book sucking method applied to the book sucking mechanism of the automatic page-turning scanner, which comprises the following steps:
a first stepping motor 4 and a second stepping motor 5 are arranged in the sliding block 3, and a third stepping motor 6 is fixedly connected to the sliding block 3; fixedly connecting the rotating arm 1 to a first rotating shaft 12, wherein the first rotating shaft 12 is carried in a first shaft seat at the right end of the sliding block 3; fixedly connecting the suction tube 2 to a second rotating shaft 14, wherein the second rotating shaft 14 is borne in a second shaft seat at the right end of the rotating arm 1; the suction tube 2 comprises an upper surface 21, a lower surface 22 and a side surface 23, which form a cylindrical member with a triangular cross section.
The third stepping motor 6 moves the suction tube 2 to the upper part of the right side book surface of the book to be scanned through the slide block 3 and the rotating arm 1, the rotating arm 1 rotates clockwise around the first rotating shaft 12 on the slide block 3, and the suction tube 2 rotates clockwise around the second rotating shaft 14 on the rotating arm 1 until the lower surface 22 of the suction tube 2 contacts the right side book surface of the book to be scanned.
A plurality of air suction holes are formed in a leaf suction area formed by an arc surface 24 connected between the lower surface 22 and the side surface 23 of the suction tube 2, the air suction holes are connected to the air suction motor 7 through an air guide tube 8, and the air suction motor 7 forms air suction flow in the air suction holes through the air guide tube 8;
when the angle between the side surface 23 of the suction tube 2 and the right side paper surface is 45 degrees, the suction motor 7 is started, the suction airflow generated by the suction motor 7 lifts and separates the pages, meanwhile, the suction tube 2 continuously rotates clockwise until the pages are attached to the paper surface, and the edges of the pages are adsorbed to a page adsorption area on the suction tube 2, so that the sucked edges of the pages are positioned on the arc surface 24 between the lower surface 22 and the side surface 23 of the suction tube 2.
When the pages are sucked and the edges of the pages are positioned on the circular arc surface 24 between the lower surface 22 and the side surface 23 of the suction tube 2, the suction tube 2 rotates anticlockwise for 45 degrees around the second rotating shaft 14, and the sucked edges of the pages are bent at a page sucking area formed by the circular arc surface; and the pages after being sucked up cannot be sucked by the air flow and cannot be bent, so that the pages are separated from the sucked up pages.
In particular, the gas blowing pipe 9 is positioned above the right side book surface of the book to be scanned; the separated pages are blown off by the blowing air flow from the blowing pipe 9.
The slider moves the rotating arm 1 and the suction cylinder 2 to the left under the driving of the third stepping motor 6, meanwhile, the rotating arm 1 rotates anticlockwise around the first rotating shaft 12, suction airflow generated by the suction motor 7 continuously adsorbs the page edges, when the suction cylinder 2 moves to the left side of the paper surface to realize page turning, the suction motor 7 is turned off, and the adsorbed pages fall to the left side of the paper surface to complete page turning operation.
Wherein, in order to ensure that the edge of the sucked page is on the circular arc surface 24 between the lower surface 22 and the side surface 23 of the suction tube 2, the book sucking mechanism further comprises a plurality of laser sensors and a controller (not shown in the figure); a plurality of laser sensors are connected to the controller.
The plurality of laser sensors include a first laser sensor 25, a second laser 26; a first laser sensor 25 and a second laser 26 are respectively arranged at the two side edges of the arc surface 24 between the lower surface 22 and the side surface 23 of the suction tube 2; the first laser sensor 25 is positioned at the joint of the edge of the arc surface 24 of the suction tube and the side surface 23; the second laser 26 is positioned at the joint of the edge of the arc surface 24 of the suction tube and the lower surface 22; the first laser sensor 25 and the second laser 26 are connected to the controller.
If the edges of the pages are not on the arc surface 24 between the lower surface 22 and the side surface 23 of the suction tube 2, a situation that a plurality of pages are sucked up by one page sucking operation may occur; only when the first laser sensor 25 is unobstructed and the second laser sensor 26 is obstructed can it be determined that the page edge being suctioned up is within the suction area of the suction cylinder 2.
The situation that the edge of the sucked page is not located on the circular arc surface 24 between the lower surface 22 and the side surface 23 of the suction tube 2 can be specifically divided into the following two types:
in the first case, the edge of the page crosses the circular arc 24, the sucked page shields the first laser sensor 25; when the first laser sensor 25 is shielded by the sucked page, a high-potential signal is sent to a controller connected with the first laser sensor; when the program of the controller detects a high potential signal sent by the first laser sensor 25, the controller controls the stepping motor to move the slider to the right to move the suction tube 2 and to perform the page suction operation again until the first laser sensor 25 is not shielded by the page.
In the second situation, when the edge of the sucked page is not close to the arc surface 24 and is positioned on the lower surface of the suction tube, the second laser sensor 26 is not shielded; since the second laser sensor 26 is not blocked by the sucked page, the controller connected to the second laser sensor 26 cannot detect a high-potential signal sent by the second laser sensor 26, and the controller controls the stepping motor to move the suction tube to the left and perform the page sucking operation again until the second laser sensor 26 is blocked by the sucked page.
The embodiment of the invention has the following beneficial effects:
the invention adopts the suction tube with special shape, namely the suction tube with a plane and a cambered surface to carry out the page suction operation in the automatic page turning scanning. The step motor moves the suction tube to the right side of the paper surface, the lower surface of the suction tube is in contact with the paper surface, the suction motor is started when the side surface of the suction tube and the right side of the paper surface form a 45-degree angle, and the suction airflow lifts and separates the pages below the suction motor, so that the adhesion of a plurality of pages is avoided when the pages are sucked on the next step. The suction tube continues to rotate until the page is attached and the page is adsorbed on the suction tube through the adsorption of the page edge, and meanwhile, when the page edge is positioned on a page adsorption area on an arc surface between the lower surface of the suction tube and the side surface, the suction tube rotates by 45 degrees, because the page edge can be bent at the arc suction position, the later page can not obtain the adsorption force and can not be bent, the page can be naturally separated from the first page sucked up, even if the later page is taken up, the page can also be blown down by the blowing flow generated by the blowing pipe, and therefore the technical effect that only one page is sucked up by the page adsorption operation at every time is achieved. If the page edge is not at the suction hole area of the cambered surface of the suction tube, the suction tube automatically and repeatedly adjusts the position until the page edge is proper under the judgment of a plurality of laser sensors arranged on the surface of the suction tube.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. A book sucking mechanism applied to an automatic page-turning scanner is characterized by comprising a rotating arm, a sucking cylinder, a sliding block, a first stepping motor, a second stepping motor, a third stepping motor, a suction motor and an air guide pipe;
the third stepping motor is fixedly connected to the sliding block, and the sliding block is driven by the third stepping motor to move in a left-right parallel reciprocating mode; the first stepping motor and the second stepping motor are arranged in the sliding block;
the sliding block comprises a first shaft seat and a first rotating shaft which are positioned at the right end of the sliding block, and the first rotating shaft is loaded in the first shaft seat; the first stepping motor is used for driving the first rotating shaft to rotate clockwise or anticlockwise;
the rotating arm is a curved rotary connecting component with a trapezoidal section and comprises a first shaft hole positioned at the bottom corner of the left side of the rotating arm, a second shaft seat positioned at the bottom corner of the right side of the rotating arm and a second rotating shaft; the first shaft hole is used for accommodating the first rotating shaft, and the first rotating shaft is fixedly connected to the rotating arm; the rotating arm rotates clockwise or counterclockwise around the first rotating shaft by the driving of the first stepping motor;
the second rotating shaft is borne in the second shaft seat; the second stepping motor is used for driving the second rotating shaft to rotate clockwise or anticlockwise;
the suction tube comprises an upper surface, a lower surface and side surfaces, and the three surfaces form a cylindrical component with a triangular section; the lower surface and the side surface of the suction tube are connected by an arc surface; the circular arc surface connected between the lower surface and the side surface of the suction tube is a suction area, a plurality of suction holes are distributed in the suction area, and the suction holes are connected to the suction motor through the air guide tube; when the air suction motor is started, the air suction motor forms air suction flow at the air suction hole through the air guide pipe;
a second shaft hole is formed in an included angle area between the upper surface and the lower surface of the suction tube; the second shaft hole is used for accommodating the second rotating shaft, and the second rotating shaft is fixedly connected to the suction tube; the suction tube is rotated clockwise or counterclockwise about the second rotation shaft by the driving of the second stepping motor.
2. The book attracting mechanism for use in an automatic page turning scanner of claim 1,
the book sucking mechanism further comprises a plurality of laser sensors and a controller; the laser sensor is connected to the controller, and the controller is connected to the third stepping motor.
3. The book attracting mechanism for use in an automatic page turning scanner of claim 2,
a first laser sensor and a second laser sensor are respectively arranged at the edges of two sides of an arc surface connected between the lower surface and the side surface of the suction tube; the first laser sensor is positioned at the joint of the arc surface edge and the side surface of the suction tube; the second laser sensor is positioned at the joint of the arc surface edge and the lower surface of the suction tube.
4. The book sucking mechanism applied to an automatic page turning scanner according to any one of claims 1 to 3,
the book suction mechanism further comprises an air blowing pipe, and the air blowing pipe is arranged above the right side book surface of the book to be scanned; the pages behind the pages sucked up by the suction tube cannot be sucked by the suction air flow and cannot be bent, so that the pages are separated from the sucked up pages, and the separated pages are blown down by the blowing air flow emitted by the blowing pipe.
5. A book sucking method applied to a book sucking mechanism of an automatic page-turning scanner is characterized by comprising the following steps:
a first stepping motor and a second stepping motor are arranged in the sliding block, and a third stepping motor is fixedly connected to the sliding block; fixedly connecting a rotating arm to a first rotating shaft, wherein the first rotating shaft is borne in a first shaft seat at the right end of the sliding block; fixedly connecting the suction tube to a second rotating shaft, wherein the second rotating shaft is borne in a second shaft seat at the right end of the rotating arm; the suction tube comprises an upper surface, a lower surface and side surfaces, and the three surfaces form a cylindrical component with a triangular section;
the third stepping motor drives the sliding block and the rotating arm to move the suction tube rightwards to the upper part of the right side book surface of the book to be scanned; the first stepping motor drives the first rotating shaft to rotate clockwise, and the rotating arm fixedly connected to the first rotating shaft rotates clockwise around the first rotating shaft; the second stepping motor drives the second rotating shaft to rotate clockwise, and the suction tube fixedly connected to the second rotating shaft rotates clockwise around the second rotating shaft until the lower surface of the suction tube contacts the right written surface of the book to be scanned;
a plurality of air suction holes are formed in a leaf suction area formed by an arc surface connected between the lower surface and the side surface of the suction tube, and the air suction holes are connected to an air suction motor through air guide tubes; when the air suction motor is started, the air suction motor forms air suction flow at the air suction hole through the air guide pipe;
when the angle between the side surface of the suction tube and the right side paper surface is 45 degrees, starting the suction motor, lifting and separating the pages by suction airflow generated by the suction motor, continuously rotating the suction tube clockwise until the right side paper surface is attached, and adsorbing the edges of the pages to the page suction area on the suction tube, namely ensuring that the edges of the sucked pages are positioned on an arc surface between the lower surface of the suction tube and the side surface;
when the pages are sucked and the edges of the pages are positioned on the arc surface between the lower surface and the side surface of the suction tube, the second stepping motor drives the second rotating shaft to rotate anticlockwise, the suction tube rotates anticlockwise for 45 degrees around the second rotating shaft, and the sucked edges of the pages are sucked and bent at the page suction area formed by the arc surface; the pages after being sucked up cannot be absorbed by the air flow and cannot be bent, so that the pages are separated from the sucked up pages;
the slider moves the rotating arm and the suction cylinder to move leftwards in parallel under the driving of the third stepping motor, meanwhile, the first stepping motor drives the first rotating shaft to rotate anticlockwise, the rotating arm rotates anticlockwise around the first rotating shaft, the suction airflow generated by the suction motor continuously adsorbs the page edges, when the suction cylinder moves to the left side of the paper surface to turn pages, the suction motor is turned off, and the adsorbed pages fall to the left side of the paper surface to complete page turning operation.
6. The method for automatically paging a scanner according to claim 5,
in order to ensure that the edge of the sucked page is positioned on the arc surface between the lower surface and the side surface of the suction tube, the book sucking mechanism is also provided with a plurality of laser sensors and a controller; the laser sensor is connected to the controller, and the controller is connected to the third stepping motor.
7. The method for automatically paging a scanner in a book reading mechanism according to claim 6,
a first laser sensor and a second laser sensor are respectively arranged at the edges of two sides of the arc surface between the lower surface and the side surface of the suction tube; the first laser sensor is positioned at the joint of the arc surface edge and the side surface of the suction tube; the second laser sensor is positioned at the joint of the arc surface edge and the lower surface of the suction tube.
8. The method for automatically paging a scanner in a book reading mechanism according to claim 7,
when the edge of the sucked page is not positioned on the circular arc surface between the lower surface and the side surface of the suction tube and the edge of the page crosses the circular arc surface, the sucked page shields the first laser sensor; when the first laser sensor is shielded by the sucked page, a high-potential signal is sent to the controller connected with the first laser sensor; when a program of the controller detects a high potential signal sent by the first laser sensor, the controller controls the third stepping motor to enable the sliding block to move the rotating arm and the suction cylinder in parallel rightwards and perform page suction operation again until the first laser sensor is not shielded by pages.
9. The method for automatically paging a scanner in a book reading mechanism according to claim 7,
when the sucked page edge is not positioned on the arc surface between the lower surface and the side surface of the suction tube and the page edge is not positioned on the lower surface of the suction tube but is positioned on the lower surface of the suction tube beyond the arc surface, the second laser sensor is not shielded; because the second laser sensor is not shielded by the sucked page, the controller connected with the second laser sensor cannot detect a high-potential signal sent by the second laser sensor, and the controller controls the third stepping motor to enable the sliding block to move the rotating arm and the suction tube leftwards in parallel and to perform the page sucking operation again until the second laser sensor is shielded by the sucked page.
10. The method for automatically page-flipping scanner book reading mechanism according to any one of claims 5-9,
arranging an air blowing pipe above a right side book surface of the book to be scanned; the pages after being sucked up cannot be absorbed by the sucked air flow and cannot be bent, so that the pages are separated from the sucked up pages, and the separated pages are blown down by the blowing air flow sent by the blowing pipe.
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| CN111993814B (en) * | 2020-08-26 | 2023-02-17 | 北京灵伴即时智能科技有限公司 | Automatic page turning device and automatic page turning method |
| CN113040573B (en) * | 2021-03-10 | 2022-03-22 | 焦作大学 | A diversified display device for literary works |
| CN113276583B (en) * | 2021-05-19 | 2022-06-17 | 常州工业职业技术学院 | Magnetic-type intelligent book management system and method for automatic projection reading |
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| JPH0558080A (en) * | 1991-09-02 | 1993-03-09 | Seiko Eng Service Kk | Automatic turning-over device of newspaper |
| JPH09156255A (en) * | 1995-12-07 | 1997-06-17 | Hitachi Ltd | Page turning-over apparatus |
| CN2832534Y (en) * | 2005-11-10 | 2006-11-01 | 王卿帅 | Pedal score-turning device |
| CN201317174Y (en) * | 2008-11-21 | 2009-09-30 | 张连玉 | Automatic music book turning instrument |
| KR101337116B1 (en) * | 2010-09-08 | 2013-12-05 | 가부시끼가이샤 도시바 | Apparatus for turning page of booklet |
| CN103259956B (en) * | 2013-04-17 | 2015-10-14 | 郑州大学 | A kind of automatic page turning scanning machine |
| JP5867453B2 (en) * | 2013-06-18 | 2016-02-24 | カシオ計算機株式会社 | Page turning device and document camera system |
| JP6003820B2 (en) * | 2013-06-21 | 2016-10-05 | カシオ計算機株式会社 | Page turning device and document camera system |
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