Moving mechanism and page turning device

Abstract

The utility model discloses a moving mechanism and a page turning device, and relates to the technical field of book processing, the moving mechanism comprises a first transmission assembly used for driving a brush to move vertically and a second transmission assembly fixedly installed on the first transmission assembly and used for driving the brush to move horizontally, and the brush is arranged on the second transmission assembly; the conveying assemblies are arranged on the two sides of the rack, and the page turning mechanism is used for turning pages. Through the arrangement of the first transmission assembly and the second transmission assembly, the brush can move in the vertical direction and the horizontal direction correspondingly, so that the book paging device can be matched with books of different thicknesses or sizes, and the paging effect of different books is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a book processing technical field especially relates to a moving mechanism and page turning device. BACKGROUND

[0002] The book quantity of library is huge, and the lending and returning work of books is heavy, which is easy to cause errors. Therefore, printing the library code, RFID tag or seal on the book page can more conveniently and efficiently manage the books. When printing the library code, RFID tag or seal on the books, the cover, back cover or book page of the books needs to be turned, especially a plurality of books needs to be continuously turned to the target page for sealing, printing the library code or RFID tag. If manual turning is adopted, the labor intensity is very large.

[0003] The existing patent with the patent number CN107628436A discloses an automatic page turning mechanism, which comprises a conveyor, a vacuum suction nozzle, a page turning action cylinder, a blocking cylinder, a page turning guide rod and a support guide plate. The conveyor comprises a conveying belt, wherein the support guide plate is arranged along one side edge of the conveying belt and is inclined outward relative to the conveying belt. One end of the conveying belt is the feeding end, and the other end is the discharging end. The vacuum suction nozzle and the page turning action cylinder are located above the feeding end of the conveying belt. The suction port end of the vacuum suction nozzle is close to and faces the support guide plate. The vacuum suction nozzle is connected with the page turning action cylinder. The nozzle port of the vacuum suction nozzle is provided with a corrugated pipe with elastic expansion function. The tail end of the page turning guide rod is located on one side of the discharging end of the conveying belt. The tip of the page turning guide rod points to the feeding end of the conveying belt, and the tip of the page turning guide rod is close to the vacuum suction nozzle. The book is moved to the blocking cylinder by the conveyor. The blocking cylinder is used to block the book. The page turning action cylinder pushes the vacuum suction nozzle to tightly contact the book page. The vacuum suction nozzle sucks the book page. The page turning cylinder is contracted. The book is in a half turned page state. The upper end is provided with a brush and a blowing block, which plays a role in preventing two pages from being turned. The blocking cylinder is contracted. The conveyor works. The book is moved to the page turning guide rod to realize complete page turning.

[0004] However, when encountering books with different thicknesses or different sizes, the fixed position brush may not contact the book page or excessively contact the book page, which will cause poor page turning effect and affect subsequent sealing work. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a moving mechanism which can match books with different thicknesses or different sizes and improve the page turning effect on the book page.

[0006] To achieve the above object, the utility model discloses the following technical scheme: a moving mechanism, including the first transmission assembly for driving the vertical movement of brush and the second transmission assembly for driving the horizontal movement of brush and being fixedly installed on the first transmission assembly, and the brush is arranged on the second transmission assembly.

[0007] The technical principle of the utility model is as follows: through the setting of the first transmission assembly, the brush is moved in the vertical direction, and different thickness books can be matched; through the setting of the second transmission assembly, the brush is moved in the horizontal direction, and different size books can be matched.

[0008] Further, the first transmission assembly includes a bearing plate for installing the second transmission assembly, a first driving part for driving the vertical movement of the bearing plate and a limiting sliding part for assisting the movement of the bearing plate.

[0009] The first driving part includes a mounting seat, a first driving piece fixedly installed on the mounting seat, a first rotating wheel coaxially fixedly installed on the power output shaft of the first driving piece, a screw hole is formed on the bearing plate, a screw rod is threadedly connected in the screw hole, a second rotating wheel is coaxially fixedly installed on the end of the screw rod away from the sleeve, and a first synchronous belt is sleeved on the first rotating wheel and the second rotating wheel.

[0010] Further, the limiting sliding part includes a mounting plate, a fixed plate and a first sliding rail vertically arranged and fixedly installed on the fixed plate, the mounting plate is fixedly installed with a first connecting piece arranged in cooperation with the first sliding rail, and the bearing plate is fixedly installed on the surface of the mounting plate away from the first sliding rail.

[0011] Further, the second transmission assembly includes a support part fixedly installed on the bearing plate, a second transmission part fixedly installed on the support part and a second driving piece for driving the second transmission part, and the first support frame for installing the brush is fixedly installed on the second transmission part.

[0012] Further, the support part includes an extension plate fixedly installed on the bearing plate and a support plate fixedly installed on the two side walls of the extension plate, and the second driving piece is fixedly installed on the extension plate.

[0013] The second transmission part includes a sliding plate, a third rotating wheel coaxially fixedly installed on the power output shaft of the second driving piece and a fourth rotating wheel rotationally connected on the support plate, a second synchronous belt is sleeved on the third rotating wheel and the fourth rotating wheel, a second sliding rail horizontally arranged is fixedly installed on the support plate, a second connecting piece arranged in cooperation with the second sliding rail is fixedly installed on the sliding plate, a clamping plate is fixedly installed on the second connecting piece, the clamping plate is arranged in cooperation with the sliding plate to clamp the second synchronous belt, and the first support frame is fixedly installed on the sliding plate.

[0014] Further, a guide rod and a connecting plate slidingly penetrating the guide rod are fixedly installed on the side of the sliding plate away from the second driving member, the connecting plate is provided between the second sliding rail and the third connecting member, the elastic member is coaxially sleeved on the guide rod and arranged between the connecting plate and the sliding plate, and the first supporting frame is fixedly installed on the connecting plate.

[0015] Further, the second transmission assembly further comprises a fixing member fixedly installed on the sliding plate, a moving member arranged on the fixing member, and a third driving member for driving the moving member to move horizontally, the fixing member is provided with a clearance slot, the two sides of the clearance slot are provided with third sliding rails, the third driving member is fixedly installed on the fixing member, and a power output shaft of the third driving member can penetrate the clearance slot, the moving member is slidingly arranged on the third sliding rail, the connecting member is coaxially sleeved on the power output shaft of the third driving member and arranged on the moving member, the second supporting frame is fixedly installed on the moving member, and the side plate abutting against the book is arranged on the second supporting frame.

[0016] The first supporting frame is provided with a blowing member at the end away from the second transmission assembly, the first supporting frame is provided with an air channel, the first supporting frame is provided with an air hole in communication with the air channel, and the vertical plane where the side of the first supporting frame close to the book is flush with the side of the brush close to the book.

[0017] Another purpose of the utility model is to provide a page turning device which can stably and continuously turn the pages of a book.

[0018] To achieve the above purpose, the utility model adopts the following technical scheme: a page turning device comprising the moving mechanism, a rack, a conveying assembly arranged on two sides of the rack, and a page turning mechanism for page turning.

[0019] Further, the first transmission assembly is two groups, the two groups of first transmission assemblies are symmetrically arranged along the vertical center plane of the rack, the first synchronous belt and the supporting plate are arranged between the two groups of first transmission assemblies, and the mounting seat is provided with a first guide wheel and a second guide wheel for changing the moving direction of the first synchronous belt.

[0020] The utility model has the advantages of:

[0021] 1. Through the arrangement of the first transmission assembly and the second transmission assembly, the brush can move in the vertical direction and the horizontal direction respectively, so as to match books of different thicknesses or sizes and meet the page turning effect of different books.

[0022] 2. Through the arrangement of the side plate, the position of the book can be automatically adjusted, so as to better align with the brush, through the arrangement of the air hole, the page turning mechanism can blow air to the book page in advance when adsorbing the book page, which is convenient for the adsorption of the page turning mechanism and can further improve the page turning effect of the brush. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structure schematic view of the utility model;

[0024] Figure 2 It is a second structure schematic view of the utility model;

[0025] Figure 3 It is a third structure schematic view of the utility model;

[0026] Figure 4 It is a structure schematic view of the utility model in limiting sliding part and second transmission part;

[0027] Figure 5 It is a structure schematic view of the utility model in third driving part;

[0028] Figure 6 It is a structure schematic view of the utility model in fixed part;

[0029] Figure 7 It is a structure schematic view of the utility model in moving part.

[0030] In the above drawing:

[0031] 1, limiting sliding part;101, mounting plate;102, fixed plate;103, first sliding rail;104, first connecting piece;

[0032] 2, first driving part;201, mounting seat;202, first driving part;203, first rotating wheel;204, first guide wheel;205, second guide wheel;

[0033] 3, bearing plate;4, sleeve;5, screw;6, second rotating wheel;7, first synchronous belt;

[0034] 8, support part;801, extension plate;802, support plate;

[0035] 9, second driving part;10, first support frame;

[0036] 11, second transmission part;1101, sliding plate;1102, third rotating wheel;1103, fourth rotating wheel;1104, second synchronous belt;

[0037] 12, second sliding rail;13, second connecting piece;14, guide rod;15, connecting plate;16, elastic piece;17, third connecting piece;

[0038] 18, rack;1801, roller;

[0039] 19, conveying assembly;20, page turning mechanism;

[0040] 21, fixed part;2101, let go slot;2102, third sliding rail;

[0041] 22, moving piece; 2201, connecting piece;

[0042] 23, third driving piece; 24, second support frame; 25, blowing piece; 26, side plate; 27, clamping plate. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. The structures described in various embodiments can be freely combined without structural or principle conflicts.

[0044] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0045] In the description of the present application, it should be pointed out that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the product of the present application is used, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only used for differentiation and description, and cannot be understood as indicating or implying relative importance.

[0046] Some embodiments of the present application will be described below with reference to the drawings:

[0047] As Figures 1-7 shown, the present application provides a moving mechanism, which comprises a first transmission assembly for driving the brush to move vertically and a second transmission assembly fixedly installed on the first transmission assembly for driving the brush to move horizontally, and the brush is arranged on the second transmission assembly.

[0048] When the thickness of the book is thick, the first transmission assembly drives the brush to move upward, so that the lower end of the brush is aligned with the upper surface of the book; when the thickness of the book is thin, the first transmission assembly drives the brush to move downward, so that the lower end of the brush is aligned with the upper surface of the book, through the setting of the first transmission assembly, the brush can match books of different thicknesses;

[0049] When the size of the book is large or small, the second transmission assembly drives the brush to move horizontally, so that the bristles of the brush are in contact with the side wall of the book, and the brush is embedded in the book page by 0.5-1mm, which is convenient for subsequent paging, through the setting of the second transmission assembly, the brush can be in contact with books of different sizes.

[0050] Further, as shown in Figures 2-4 , the first transmission assembly includes a bearing plate 3 for installing the second transmission assembly, a first driving part 2 for driving the bearing plate 3 to move vertically, and a limiting sliding part 1 for assisting the movement of the bearing plate 3;

[0051] The first driving part 2 includes a mounting seat 201, a first driving part 202 fixedly installed on the mounting seat 201, a first rotating wheel 203 coaxially fixedly installed on the power output shaft of the first driving part 202, a screw hole is opened on the bearing plate 3, a screw rod 5 is threadedly connected in the screw hole, and the upper end of the screw rod 5 is rotatably connected with a sleeve 4, the end of the screw rod 5 away from the sleeve 4 is coaxially fixedly installed with a second rotating wheel 6, and the first rotating wheel 203 and the second rotating wheel 6 are sleeved with a first synchronous belt 7.

[0052] When it is necessary to adjust the position of the bristles, the first driving part 202 is started, and the first driving part 202 is a driving motor, the first driving part 202 drives the first rotating wheel 203 to rotate synchronously, the first synchronous belt 7 and the second rotating wheel 6 drive the screw rod 5 to rotate synchronously, the screw rod 5 rotates to drive the bearing plate 3 threadedly connected with the screw rod 5 to move synchronously, so as to drive the second transmission assembly on the bearing plate 3 to move, and further drive the brush to move in the vertical direction, the self-locking between the screw rod 5 and the screw hole can ensure the stability of the position of the bristles; the sleeve 4 can make the movement of the bearing plate 3 more stable.

[0053] Further, as shown in Figure 2 and Figure 3 , the limiting sliding part 1 includes a mounting plate 101, a fixed plate 102, and a first sliding rail 103 vertically arranged and fixedly installed on the fixed plate 102, the first connecting piece 104 cooperatively arranged with the first sliding rail 103 is fixedly installed on the mounting plate 101, and the bearing plate 3 is fixedly installed on the surface of the mounting plate 101 away from the first sliding rail 103.

[0054] When the bearing plate 3 moves up and down, the mounting plate 101 supporting the bearing plate 3 moves synchronously with the bearing plate 3 on the first sliding rail 103 on the fixed plate 102 through the first connecting piece 104, and the bearing plate 3 is arranged between the two groups of limiting sliding parts 1, so that the limiting sliding parts 1 can form good support and limiting for the bearing plate 3.

[0055] Further, as shown in Figure 2 and Figure 3 , the second transmission assembly includes a supporting part 8 fixedly installed on the bearing plate 3, a second transmission part 11 fixedly installed on the supporting part 8, and a second driving piece 9 for driving the second transmission part 11, and the first supporting frame 10 for installing the brush is fixedly installed on the second transmission part 11.

[0056] The supporting part 8 includes an extension plate 801 fixedly installed on the bearing plate 3 and a supporting plate 802 fixedly installed on the two side walls of the extension plate 801, and the second driving piece 9 is fixedly installed horizontally on the extension plate 801.

[0057] The second transmission part 11 includes a sliding plate 1101, a third rotating wheel 1102 coaxially fixedly installed on the power output shaft of the second driving piece 9, and a fourth rotating wheel 1103 rotatably connected to the supporting plate 802, the second synchronous belt 1104 is sleeved on the third rotating wheel 1102 and the fourth rotating wheel 1103, the second sliding rail 12 is fixedly installed horizontally on the supporting plate 802, the second connecting piece 13 is fixedly installed on the sliding plate 1101 and matched with the second sliding rail 12, the clamping plate 27 is fixedly installed on the second connecting piece 13 and matched with the sliding plate 1101 to clamp the second synchronous belt 1104, and the first supporting frame 10 is fixedly installed on the sliding plate 1101.

[0058] When encountering books of different sizes, the second driving piece 9 is started, the second driving piece 9 is also a driving motor, the power output shaft of the second driving piece 9 drives the third rotating wheel 1102 to rotate synchronously, through the setting of the fourth rotating wheel 1103, the second synchronous belt 1104 moves between the third rotating wheel 1102 and the fourth rotating wheel 1103, the clamping plate 27 on the second connecting piece 13 is matched with the sliding plate 1101 to clamp the second synchronous belt 1104, that is, when the second synchronous belt 1104 moves, the sliding plate 1101 moves synchronously on the second sliding rail 12, so as to drive the first supporting frame 10 to move horizontally, and the brush is abutted with the book.

[0059] Further, as shown in Figure 3 and Figure 4As shown, the sliding plate 1101 is fixedly installed with a guide rod 14 and a connecting plate 15 sliding through the guide rod 14 on the side away from the second driving member 9, a third connecting member 17 is arranged between the connecting plate 15 and the second sliding rail 12, the guide rod 14 is coaxially sleeved with an elastic member 16 arranged between the connecting plate 15 and the sliding plate 1101, and the first supporting frame 10 is fixedly installed on the connecting plate 15.

[0060] Through the arrangement of the connecting plate 15 and the elastic member 16, the rigid contact between the brush and the book is avoided, so that the book is not damaged by the brush or the first supporting frame 10.

[0061] Further, as shown in Figure 2 、 Figure 5 、 Figure 6 and Figure 7 , the second transmission assembly further includes a fixed member 21 fixedly installed on the sliding plate 1101, a moving member 22 arranged on the fixed member 21, and a third driving member 23 driving the moving member 22 to move horizontally, the fixed member 21 is provided with a clearance groove 2101, the clearance groove 2101 is provided with a third sliding rail 2102 on both sides, the third driving member 23 is fixedly installed on the fixed member 21, and the power output shaft of the third driving member 23 penetrates the clearance groove 2101, the moving member 22 is slidingly arranged on the third sliding rail 2102, and the moving member 22 is provided with a connecting member 2201 coaxially sleeved on the power output shaft of the third driving member 23, the moving member 22 is fixedly installed with a second supporting frame 24, and the second supporting frame 24 is provided with a side plate 26 abutting against the book;

[0062] The first supporting frame 10 is provided with a blowing member 25 on the end away from the second transmission assembly, the first supporting frame 10 is provided with an air channel, the first supporting frame 10 is provided with an air hole in communication with the air channel, and the vertical plane where the first supporting frame 10 is close to the book is flush with the side of the brush close to the book or the side of the brush protrudes the vertical plane where the first supporting frame 10 is close to the book, so that the brush can better separate the book pages.

[0063] The side plate 26 is provided with a through slot, the side plate 26 is fixedly installed on the second support frame 24 through the through slot, and the relative position of the side plate 26 and the second support frame 24 can be adjusted through the through slot, so that the distance between the brush and the book is adjusted. When it is necessary to turn the pages of the book, the first support frame 10 is abutted against the side wall of the book through the arrangement of the second driving part 9, the position of the book is aligned, and at the same time, the brush is in contact with the side wall of the book to turn the pages of the book by the brush. When errors such as too much contact or no contact between the brush and the book occur, the moving part 22 is horizontally moved on the third sliding rail 2102 of the fixing part 21 through the arrangement of the third driving part 23 and the connecting part 2201, so that the brush on the side plate 26 is driven by the second support frame 24 to be in contact with the side wall of the book. Through the arrangement of the air hole, the air channel and the blowing part 25, the pages of the book can be blown in advance before the pages of the book are turned, and the page turning effect of the brush can be further improved.

[0064] As shown in Figure 1 The utility model also provides a page turning device, including above-mentioned moving mechanism, still include frame 18, conveyer assembly 19 of setting in both sides of frame 18 and page turning mechanism 20 for page turning.

[0065] The frame 18 is provided with a plurality of rollers 1801, and gaps are left between the rollers 1801. The book is placed on the conveyer assembly 19, which is a conveying belt in the prior art and will not be described here. After the book is conveyed to the frame 18 by the conveyer assembly 19, the brush is adjusted by the first transmission assembly and the second transmission assembly according to the size and thickness of the book. The brush moves horizontally or vertically in the gap until the lower end of the brush is aligned with the upper surface of the book and is embedded in the book page by 0.5-1mm. Then the book is turned by the page turning mechanism 20, which is a robot arm with a suction nozzle and is a prior art and will not be described here.

[0066] Further, as shown in Figures 1-3 The first transmission assembly is two groups, and the two groups of first transmission assemblies are symmetrically arranged along the vertical center surface of the frame 18. The first synchronous belt 7 and the support plate 802 are arranged between the two groups of first transmission assemblies. The mounting seat 201 is provided with a first guide wheel 204 and a second guide wheel 205 for changing the moving direction of the first synchronous belt 7.

[0067] The support plate 802 is fixedly installed between the extension plates 801 of the two symmetrically arranged first transmission assemblies, so that better support is formed for the support plate 802, the first driving member 202 drives the first synchronous belt 7 to move, the second guide wheel 205 changes the movement direction of the first synchronous belt 7, so that the first synchronous belt 7 is arranged around the two second rotating wheels 6, and then the first guide wheel 204 changes the movement direction of the first synchronous belt 7, so that the first synchronous belt 7 is arranged back on the first rotating wheel 203, that is, the same first driving member 202 can drive the two groups of first transmission assemblies to synchronously ascend or descend, so that the second sliding rail 12 can always keep a horizontal state.

Claims

1. A moving mechanism characterized by comprising: The first transmission assembly is used for driving the brush to move vertically, and the second transmission assembly is fixedly installed on the first transmission assembly and used for driving the brush to move horizontally.

2. A moving mechanism according to claim 1, wherein The first transmission assembly comprises a bearing plate (3) for mounting the second transmission assembly, a first driving part (2) for driving the bearing plate (3) to move vertically, and a limiting sliding part (1) for assisting the movement of the bearing plate (3). The first driving part (2) comprises a mounting seat (201), a first driving member (202) fixedly installed on the mounting seat (201), and a first rotating wheel (203) coaxially fixedly installed on a power output shaft of the first driving member (202).

3. A moving mechanism according to claim 2, wherein The bearing plate (3) is provided with a screw hole, and a screw rod (5) is threadedly connected in the screw hole.

4. A moving mechanism according to claim 2 or 3, wherein The limiting sliding part (1) comprises a mounting plate (101), a fixed plate (102), and a first sliding rail (103) vertically arranged on the fixed plate (102).

5. A moving mechanism according to claim 4, wherein The second transmission assembly comprises a support part (8) fixedly installed on the bearing plate (3), a second transmission part (11) fixedly installed on the support part (8), and a second driving member (9) for driving the second transmission part (11). The support part (8) comprises an extension plate (801) fixedly installed on the bearing plate (3) and a support plate (802) fixedly installed on two side walls of the extension plate (801). The second transmission part (11) comprises a sliding plate (1101), a third rotating wheel (1102) coaxially fixedly installed on a power output shaft of the second driving member (9), and a fourth rotating wheel (1103) rotationally connected to the support plate (802). The third rotating wheel (1102) and the fourth rotating wheel (1103) are sleeved with a second synchronous belt (1104), the support plate (802) is fixedly provided with a second sliding rail (12) arranged horizontally, the sliding plate (1101) is fixedly provided with a second connecting member (13) arranged in cooperation with the second sliding rail (12), the second connecting member (13) is fixedly provided with a clamping plate (27), the clamping plate (27) is arranged in cooperation with the sliding plate (1101) to clamp the second synchronous belt (1104), and the first support frame (10) is fixedly installed on the sliding plate (1101).

6. A moving mechanism according to claim 5, wherein The sliding plate (1101) is fixedly installed with a guide rod (14) on the side away from the second driving member (9), and a connecting plate (15) slides through the guide rod (14), a third connecting member (17) is arranged between the connecting plate (15) and the second sliding rail (12), the guide rod (14) is coaxially sleeved with an elastic member (16) arranged between the connecting plate (15) and the sliding plate (1101), and the first supporting frame (10) is fixedly installed on the connecting plate (15).

7. A moving mechanism according to claim 5 or 6, wherein The second transmission assembly further comprises a fixing member (21) fixedly installed on the sliding plate (1101), a moving member (22) arranged on the fixing member (21), and a third driving member (23) for driving the moving member (22) to move horizontally, the fixing member (21) is provided with a clearance slot (2101), the two sides of the clearance slot (2101) are provided with third sliding rails (2102), the third driving member (23) is fixedly installed on the fixing member (21), and the power output shaft of the third driving member (23) penetrates the clearance slot (2101), the moving member (22) is slidably arranged on the third sliding rail (2102), and the moving member (22) is provided with a connecting member (2201) coaxially sleeved on the power output shaft of the third driving member (23), the second supporting frame (24) is fixedly installed on the moving member (22), and the second supporting frame (24) is provided with a side plate (26) for installing a brush. The first supporting frame (10) is provided with a blowing member (25) at the end away from the second transmission assembly, the first supporting frame (10) is provided with an air channel, and the first supporting frame (10) is provided with an air hole in communication with the air channel.

8. A page turning device, characterized by The mobile mechanism comprises the mobile mechanism of any one of claims 1-7, further comprising a rack (18), a conveying assembly (19) arranged on both sides of the rack (18), and a page turning mechanism (20) for turning pages.

9. A page turning device according to claim 8, wherein, The first transmission assembly is two groups, and the two groups of first transmission assemblies are symmetrically arranged along the vertical center of the rack (18), the first synchronous belt (7) and the supporting plate (802) are arranged between the two groups of first transmission assemblies, and the mounting seat (201) is provided with a first guide wheel (204) and a second guide wheel (205) for changing the moving direction of the first synchronous belt (7).

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