Feeding device and strapping machine

Abstract

The utility model provides a feeding device and a strapping machine. The feeding device comprises a conveying belt for conveying books forwards in the first direction; the positioning mechanism is arranged at the front end of the conveying belt and is configured to receive and position books; the pneumatic clamping component is arranged at the front end of the positioning mechanism and provided with a first clamping finger and a second clamping finger, the clamping face of the first clamping finger is arranged to be a concave arc face, the clamping face of the second clamping finger is arranged to be a convex arc face, and the pneumatic clamping component can drive the first clamping finger and the second clamping finger to conduct clamping operation; the driving mechanism is connected with the pneumatic clamping component and is configured to drive the pneumatic clamping component to rotate around the first axis so that the pneumatic clamping component can be switched between the material taking position and the feeding position; a book can be clamped through the pneumatic clamping component, and the book can be bent slightly in an expected mode under the action of the first clamping finger and the second clamping finger, so that unexpected large bending of the book is avoided, and accurate feeding of the book is facilitated.

Description

Technical Field

[0001] The utility model generally relates to the technical field of book production, and in particular to a feeding device and a bundling machine. Background Art

[0002] During the production process of books, a waistband (also known as a belt) is usually bundled on the books to protect the book covers and prevent them from being worn during transportation and use. In addition, the unique design of the waistband can significantly enhance the attractiveness of the books and improve their market promotion effect.

[0003] Currently, the bundling of waistbands mainly relies on bundling machines, and existing bundling machines usually use mechanical hands for the feeding operation of books. However, when dealing with relatively thin books (for example: product manuals with only a few pages), these books tend to bend significantly due to gravity after being picked up by the mechanical hands, which makes it difficult to accurately place them at the predetermined positions, reducing the accuracy of book feeding.

[0004] The content in the background art section is only the technology known to the inventor and does not necessarily represent the prior art in this field. Summary of the Utility Model

[0005] In view of one or more deficiencies in the prior art, the utility model provides a feeding device, including:

[0006] A conveyor belt configured to convey books forward in a first direction;

[0007] A positioning mechanism provided at the front end of the conveyor belt and configured to receive and position the books;

[0008] A pneumatic clamping member provided at the front end of the positioning mechanism. The pneumatic clamping member has a first clamping finger and a second clamping finger. Among them, the clamping surface of the first clamping finger is set as a concave arc surface, and the clamping surface of the second clamping finger is set as a convex arc surface. The pneumatic clamping member is configured to drive the first clamping finger and the second clamping finger to perform a clamping operation; and

[0009] A driving mechanism connected to the pneumatic clamping member and configured to drive the pneumatic clamping member to rotate around a first axis so that the pneumatic clamping member can switch between a material taking position and a feeding position;

[0010] Wherein, when the pneumatic clamping member is in the material taking position, the pneumatic clamping member can clamp the books in the positioning mechanism through a clamping operation.

[0011] According to one aspect of the utility model, the driving mechanism includes:

[0012] A support frame;

[0013] A pivot, pivotally connected to the support frame along the first axis;

[0014] A turntable, connected to the pivot;

[0015] The rotary drive is connected to the pivot and configured to drive the pivot to rotate;

[0016] Wherein, the pneumatic clamping member is arranged at the edge of the turntable.

[0017] According to one aspect of the present invention, a plurality of the pneumatic clamping members are provided, and the plurality of pneumatic clamping members are arranged at intervals along the circumferential direction of the turntable.

[0018] According to one aspect of the present invention, the positioning mechanism includes:

[0019] A carrier plate, a notch is provided at the front end of the carrier plate;

[0020] A first side baffle, arranged on the carrier plate along the first direction;

[0021] A second side baffle, arranged on the carrier plate along the first direction, a positioning area is formed between the second side baffle and the first side baffle, and the positioning area is aligned with the notch;

[0022] A front stop block, arranged at the front end of the carrier plate and located on the left or right side of the notch.

[0023] According to one aspect of the present invention, the positioning mechanism further includes a driving module, the driving module is respectively connected to the first side baffle and the second side baffle, and the driving module is configured to drive the first side baffle and the second side baffle to approach or separate from each other along the second direction;

[0024] Wherein, the first direction is perpendicular to the second direction.

[0025] According to one aspect of the present invention, the driving module includes:

[0026] A support frame, connected to the lower side of the carrier plate, an installation space is provided between the support frame and the carrier plate;

[0027] A first guide rail, arranged in the installation space along the second direction;

[0028] A second guide rail, arranged in the installation space along the second direction;

[0029] A first slider, slidably connected to the first guide rail, the first slider is connected to the first side baffle;

[0030] A second slider, slidably connected to the second guide rail, and the second slider is connected to the second side baffle;

[0031] A first cylinder, connected to the first slider, configured to drive the first slider to slide along the first guide rail;

[0032] A second cylinder, connected to the second slider, configured to drive the second slider to slide along the second guide rail;

[0033] A cam, disposed between the first slider and the second slider, configured to be rotatable about a first axis to drive the first slider and the second slider to move away from each other; and

[0034] A motor, connected to the cam, configured to drive the cam to rotate about the first axis.

[0035] According to one aspect of the present invention, the feeding device further includes:

[0036] A pushing block, disposed above the conveyor belt;

[0037] A robotic arm, connected to the pushing block, configured to drive the pushing block to move up and down, and a positioning mechanism can drive the pushing block to reciprocate in a first direction.

[0038] According to one aspect of the present invention, the robotic arm includes:

[0039] A linear module, disposed along the first direction, including a synchronous belt, a first output module and a second output module, wherein the first output module is connected to one side of the synchronous belt, and the second output module is connected to the other side of the synchronous belt;

[0040] A third cylinder, disposed along the vertical direction and connected to the first output module;

[0041] A fourth cylinder, disposed along the vertical direction and connected to the second output module;

[0042] Wherein, there are two pushing blocks, one pushing block is connected to the output end of the third cylinder, and the other pushing block is connected to the output end of the fourth cylinder.

[0043] The present invention also provides a strapping machine, including:

[0044] A carrier, provided with a positioning groove; and

[0045] The feeding device as described above, the feeding device is configured to place books in the positioning groove of the carrier.

[0046] According to one aspect of the present utility model, the strapping machine further includes: a photoelectric sensor configured to detect whether the book is placed in the carrier.

[0047] Compared with the prior art, the embodiments of the present utility model provide a loading device and a strapping machine. Through the conveyor belt, books can be quickly conveyed to the positioning mechanism for precise positioning; through the pneumatic clamping component, the books can be clamped, and the books can be bent by a predictable small amount under the action of the first clamping finger and the second clamping finger, thereby avoiding large unpredictable bends of the books, which is beneficial to realizing precise loading of the books; through the driving mechanism, the pneumatic clamping component can be driven to switch between the material taking position and the loading position to achieve precise loading of the books. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0049] Figure 1 shows a schematic diagram of a loading device according to an embodiment of the present utility model;

[0050] Figure 2 shows another schematic diagram of a loading device according to an embodiment of the present utility model;

[0051] Figure 3 shows a schematic diagram of a pneumatic clamping component according to an embodiment of the present utility model;

[0052] Figure 4 shows a schematic diagram of a positioning mechanism according to an embodiment of the present utility model;

[0053] Figure 5 shows a schematic diagram of a linear module according to an embodiment of the present utility model;

[0054] Figure 6 shows a schematic diagram of a strapping machine according to an embodiment of the present utility model;

[0055] Figure 7 shows a schematic diagram of a carrier according to an embodiment of the present utility model.

[0056] In the figure: 100, loading device; 110, conveyor belt; 120, pneumatic clamping component; 121, first finger; 122, second finger; 123, concave arc surface; 124, convex arc surface; 130, driving mechanism; 131, support frame; 132, pivot; 133, rotary driver; 134, turntable; 140, pusher block; 150, robotic arm; 151, linear module; 1511, synchronous belt; 1512, first output module; 1513, second output module; 152, first cylinder; 153, second cylinder; 160, positioning mechanism; 161, carrier plate; 1611, notch; 162, first side baffle; 163, second side baffle; 164, front stop block; 165, driving module; 1651, support frame; 1652, first guide rail; 1653, second guide rail; 1654, first slider; 1655, second slider; 1656, first cylinder; 1657, second cylinder; 1658, cam; 1659, motor; 200, strapping machine; 210, carrier; 211, positioning groove; 212, detection avoidance groove; 220, photoelectric sensor. Detailed implementation manners

[0057] In the following text, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present invention. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.

[0058] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless otherwise specifically defined.

[0059] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection: it can be a mechanical connection, an electrical connection, or a connection that allows mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0060] In the present utility model, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include the direct contact of the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over", and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "beneath", and "underneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the horizontal height of the first feature is lower than that of the second feature.

[0061] The following disclosure provides many different embodiments or examples for implementing different structures of the present utility model. To simplify the disclosure of the present utility model, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present utility model. In addition, the present utility model may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings being discussed. In addition, the present utility model provides examples of various specific processes and materials, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0062] The preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present utility model, and are not used to limit the present utility model.

[0063] Figure 1 The schematic diagram of a loading device 100 according to an embodiment of the present utility model is shown. Figure 2 Another schematic diagram of the loading device 100 according to an embodiment of the present utility model is shown. The following is a detailed description in conjunction with Figure 1 and Figure 2 for detailed description.

[0064] As shown in Figure 1 and Figure 2As shown, the loading device 100 includes a conveyor belt 110 arranged along the first direction, and the conveyor belt 110 can convey books along the first direction. Optionally, the transmission mode and transmission speed of the conveyor belt 110 are set to be adjustable to adapt to different operation requirements. For example, the transmission mode of the conveyor belt 110 can be a continuous conveying mode to continuously convey books along the first direction; the transmission mode of the conveyor belt 110 can also be an intermittent conveying mode to intermittently convey books along the first direction. The loading device 100 may further include a positioning mechanism 160, a pneumatic clamping component 120, and a driving mechanism 130. Among them, the positioning mechanism 160 is arranged at the front end of the conveyor belt, and the positioning mechanism 160 can receive the books conveyed by the conveyor belt 110 and position the books; the pneumatic clamping component 120 is arranged at the front end of the positioning mechanism 160 and is connected to the driving mechanism 130; the driving mechanism 130 is configured to drive the pneumatic clamping component 120 to rotate around the first axis so that the pneumatic clamping component 120 can switch between the material taking position and the loading position. The pneumatic clamping component 120 includes a first clamping finger 121 and a second clamping finger 122, and the pneumatic clamping component 120 can drive the first clamping finger 121 and the second clamping finger 122 to perform clamping operations (the first clamping finger 121 and the second clamping finger 122 approach each other) and release operations (the first clamping finger 121 and the second clamping finger 122 move away from each other). For example: when the pneumatic clamping component 120 rotates to the material taking position, the first clamping finger 121 and the second clamping finger 122 of the pneumatic clamping component 120 are aligned with the books in the positioning mechanism 160. By driving the first clamping finger 121 and the second clamping finger 122 to perform a clamping operation through the pneumatic clamping component 120, the first clamping finger 121 and the second clamping finger 122 can clamp the books. When the pneumatic clamping component 120 rotates to the loading position, the pneumatic clamping component 120 moves away from the positioning mechanism 160. By driving the first clamping finger 121 and the second clamping finger 122 to perform a release operation through the pneumatic clamping component 120, the first clamping finger 121 and the second clamping finger 122 can release the books. Figure 3 The schematic diagram of the pneumatic clamping component 120 according to an embodiment of the present invention is shown, as Figure 3 shown, the clamping surface of the first clamping finger 121 is set as a concave arc surface 123, and the clamping surface of the second clamping finger 122 is set as a convex arc surface 124. When the first clamping finger 121 and the second clamping finger 122 clamp the books, the books will undergo a predictable small bending under the action of the first clamping finger 121 and the second clamping finger 122, thereby avoiding an unpredictable large bending of the books, which is beneficial to realizing the precise loading of the books.

[0065] According to an embodiment of the present invention, as Figure 1 and Figure 2As shown, the driving mechanism 130 includes a support frame 131, and a pivot 132 arranged along the first axis is connected to the support frame 131. A rotary driver 133 is connected to one end of the pivot 132, and the rotary driver 133 can drive the pivot 132 to rotate around the first axis. A turntable 134 is connected to the other end of the pivot 132, and the aforementioned pneumatic clamping member 120 is connected to the edge of the turntable 134. When the pivot 132 rotates around the first axis under the drive of the rotary driver 133, the turntable 134 and the pneumatic clamping member 120 rotate together with the pivot 132. Optionally, a bearing is arranged between the pivot 132 and the support frame 131 to enable the pivot 132 to rotate more smoothly and reduce frictional losses. Optionally, the rotary driver 133 can be a motor, a reduction motor, etc. Optionally, the output shaft of the rotary driver 133 is connected and driven to the pivot 132 through a coupling, a chain, a belt or a gear, etc.

[0066] According to an embodiment of the present invention, as Figure 1 and Figure 2 shown, a plurality of pneumatic clamping members 120 are provided, and the plurality of pneumatic clamping members 120 are arranged on the turntable 134 at intervals in the circumferential direction of the turntable 134. Among them, the plurality of pneumatic clamping members 120 can work alternately during the feeding process to improve the feeding efficiency. For example: when one pneumatic clamping member 120 clamps a book at the material taking position, another pneumatic clamping member 120 can release the book at the feeding position, and the other pneumatic clamping members 120 can wait at the intermediate position to enter the material taking position to clamp the book or wait to enter the feeding position to release the book.

[0067] Figure 4 The schematic diagram of the positioning mechanism 160 according to an embodiment of the present invention is shown, as Figure 1 and Figure 4As shown, the positioning mechanism 160 includes a load-carrying plate 161, a first side baffle 162, a second side baffle 163, and a front stop 164. Among them, the load-carrying plate 161 is horizontally arranged at the front end of the conveyor belt 110 to receive the books transported by the conveyor belt 110. A notch 1611 is provided at the front end of the load-carrying plate 161 to avoid the pneumatic clamping member 120 and facilitate the pneumatic clamping member 120 to pick up the books from the positioning mechanism 160. The front stop 164 is arranged at the front end of the load-carrying plate 161 and is located on the left or right side of the notch 1611. The first side baffle 162 and the second side baffle 163 are arranged on the load-carrying plate 161 at intervals along the second direction (the first direction and the second direction are perpendicular to each other, and both the first direction and the second direction are horizontal directions), and both the first side baffle 162 and the second side baffle 163 are arranged along the first direction. A positioning area for the books to enter is formed between the first side baffle 162 and the second side baffle 163, and the positioning area is aligned with the notch 1611. Among them, the first side baffle 162, the second side baffle 163, and the front stop 164 can accurately position the books, which is beneficial to improving the accuracy of book loading. Optionally, there are two front stops 164, one of which is arranged on the left side of the notch 1611 and the other is arranged on the right side of the notch 1611.

[0068] According to an embodiment of the present invention, as Figure 4As shown, the positioning tooling further includes a driving module 165. The driving module 165 is respectively connected to the first side baffle 162 and the second side baffle 163, and is configured to drive the first side baffle 162 and the second side baffle 163 to approach or move away from each other along the second direction, so as to realize the unobstructed entry and alignment of books. Optionally, the driving module 165 includes a support frame 1651, a first guide rail 1652, a second guide rail 1653, a first slider 1654, a second slider 1655, a first cylinder 1656, a second cylinder 1657, a cam 1658 and a motor 1659. Among them, the support frame 1651 is arranged below the carrier plate 161 and connected to the carrier plate 161, and an installation space is arranged between the support frame 1651 and the carrier plate 161. The first guide rail 1652 and the second guide rail 1653 are both arranged in the installation space along the second direction. The first slider 1654 is connected to the first side baffle 162 and is slidably connected to the first guide rail 1652. The second slider 1655 is connected to the second side baffle 163 and is slidably connected to the second guide rail 1653. The first cylinder 1656 is connected to the first slider 1654, and the first slider 1654 can be driven to slide along the first guide rail 1652 through the first cylinder 1656 (for example: driving the first slider 1654 to approach the second slider 1655 along the first guide rail 1652). The second cylinder 1657 is connected to the second slider 1655, and the second slider 1655 can be driven to slide along the second guide rail 1653 through the second cylinder 1657 (for example: driving the second slider 1655 to approach the first slider 1654 along the second guide rail 1653). The motor 1659 is connected to the cam 1658. The cam 1658 is located between the first slider 1654 and the second slider 1655. The cam 1658 can rotate around the first axis under the drive of the motor 1659, and then push the first slider 1654 and the second slider 1655 to move away from each other. Optionally, the motor 1659 is installed below the support frame 1651, and the output shaft of the motor 1659 passes through the support frame 1651 and is fixedly connected to the cam 1658.

[0069] According to an embodiment of the present invention, as Figure 1 and Figure 2 shown, the feeding device 100 further includes a pushing block 140 and a robotic arm 150. Among them, the pushing block 140 is arranged above the conveyor belt 110, and the robotic arm 150 is connected to the pushing block 140 and is configured to drive the pushing block 140 to rise and fall, and can drive the pushing block to reciprocate along the first direction. When the feeding device is working, the pushing block 140 and the robotic arm 150 cooperate with each other to push the books on the conveyor belt 110 into the positioning mechanism.

[0070] According to an embodiment of the present invention, as Figure 1 and Figure 2As shown, there are two pusher blocks 140, and the robotic arm 150 is configured to drive the two pusher blocks 140 to alternately push the books. Optionally, the robotic arm 150 includes a linear module 151, a first cylinder 152, and a second cylinder 153. Figure 5 Fig. shows a schematic diagram of the linear module 151 according to an embodiment of the present invention, as Figure 5 shown, wherein the linear module 151 is a synchronous belt type linear module, which has a synchronous belt 1511, a first output module 1512, and a second output module 1513. The first output module 1512 is connected to one side of the synchronous belt 1511 (e.g., Figure 5 the left side in), and the second output module 1513 is connected to the other side of the synchronous belt 1511 (e.g., Figure 5 the right side in). Optionally, the first output module 1512 and the second output module 1513 are centrosymmetric about the center of the synchronous belt 1511. As Figure 1 and Figure 5 shown, the linear module 151 is arranged in the first direction, the first cylinder 152 and the second cylinder 153 are both arranged in the vertical direction. The cylinder part of the first cylinder 152 is connected to the first output module 1512, and the output end of the first cylinder 152 is connected to one pusher block 140; the cylinder part of the second cylinder 153 is connected to the second output module 1513, and the output end of the second cylinder 153 is connected to the other pusher block 140.

[0071] Figure 6 Fig. shows a schematic diagram of the bundling machine 200 according to an embodiment of the present invention, which will be described in detail below in conjunction with Figure 6 this.

[0072] As Figure 6 shown, the bundling machine 200 may include a carrier 210 and the feeding device 100 as described above. Figure 7 Fig. shows a schematic diagram of the carrier 210 according to an embodiment of the present invention. As shown in conjunction with Figure 7 this, a positioning groove 211 is provided on the carrier 210, and the feeding device 100 is configured to place the books into the positioning groove 211 of the carrier 210. Optionally, the carrier 210 may be set to be movable to play a role in different process steps. For example, the carrier 210 may be arranged on the turntable 134 and switch workstations by rotating with the turntable 134.

[0073] According to an embodiment of the present invention, as Figure 6As shown, the strapping machine 200 may further include a photoelectric sensor 220 configured to detect whether a book is placed in the carrier 210. Specifically, a detection avoidance groove 212 is provided on the carrier 210. The detection avoidance groove 212 is located below the positioning groove 211 and communicates with the positioning groove 211. The photoelectric sensor 220 is provided below the carrier 210. The photoelectric sensor 220 can emit a detection beam towards the carrier 210 (detection avoidance groove 212) to detect whether a book is placed in the carrier 210.

[0074] Compared with the prior art, the embodiments of the present invention provide a feeding device 100 and a strapping machine 200. The books can be quickly transferred to the pneumatic clamping component 120 through the conveyor belt 110. The pneumatic clamping component 120 can clamp the books and make the books bend slightly as expected under the action of the first clamping finger 121 and the second clamping finger 122, thereby avoiding large unpredictable bends of the books, which is beneficial to realizing accurate feeding of the books. The pneumatic clamping component 120 can be driven by the driving mechanism 130 to switch between the material taking position and the feeding position, realizing accurate feeding of the books.

[0075] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A feeding device, characterized in that: include: a conveyor belt configured to convey books forward along a first direction; a positioning mechanism, disposed at the front end of the conveyor belt and configured to receive and position the book; A pneumatic clamping component is arranged at the front end of the positioning mechanism, the pneumatic clamping component has a first clamping finger and a second clamping finger, wherein the clamping surface of the first clamping finger is set as a concave arc surface, and the clamping surface of the second clamping finger is set as a convex arc surface, and the pneumatic clamping component is configured to drive the first clamping finger and the second clamping finger to perform a clamping operation; and A driving mechanism connected to the pneumatic clamping component and configured to drive the pneumatic clamping component to rotate around a first axis so that the pneumatic clamping component switches between a material taking position and a material loading position; Wherein, when the pneumatic clamping component is in the material taking position, the pneumatic clamping component can clamp the book in the positioning mechanism through a clamping operation.

2. The feeding device according to claim 1, characterized in that: The driving mechanism comprises: Support frame; a pivot shaft pivotally connected to the support frame along the first axis; a turntable connected to the pivot; A rotary driver connected to the pivot and configured to drive the pivot to rotate; Wherein, the pneumatic clamping component is arranged on the edge of the turntable.

3. The feeding device according to claim 2, characterized in that: A plurality of the pneumatic clamping components are provided, and the plurality of the pneumatic clamping components are arranged at intervals along the circumferential direction of the turntable.

4. The feeding device according to claim 1, characterized in that: The positioning mechanism comprises: A carrier plate, wherein a notch is provided at the front end of the carrier plate; a first side baffle, arranged on the loading plate along the first direction; A second side baffle is disposed on the loading plate along the first direction, a positioning area is formed between the second side baffle and the first side baffle, and the positioning area is aligned with the notch; and The front stopper is arranged at the front end of the loading plate and is located on the left or right side of the notch.

5. The feeding device according to claim 4, characterized in that: The positioning mechanism further includes a driving module, the driving module is connected to the first side baffle and the second side baffle respectively, and the driving module is configured to drive the first side baffle and the second side baffle to move closer to or farther from each other along a second direction; The first direction and the second direction are perpendicular to each other.

6. The feeding device according to claim 5, characterized in that: The driving module comprises: A support frame connected to the lower side of the carrier plate, with an installation space provided between the support frame and the carrier plate; a first guide rail, arranged in the installation space along the second direction; a second guide rail, arranged in the installation space along the second direction; A first sliding block is slidably connected to the first guide rail, and the first sliding block is connected to the first side baffle; a second sliding block slidably connected to the second guide rail, wherein the second sliding block is connected to the second side baffle; a first cylinder connected to the first slider and configured to drive the first slider to slide along the first guide rail; a second cylinder connected to the second slider and configured to drive the second slider to slide along the second guide rail; a cam disposed between the first slider and the second slider and configured to rotate around a first axis to drive the first slider and the second slider to move away from each other; and The motor is connected to the cam and is configured to drive the cam to rotate around a first axis.

7. The feeding device according to claim 1, characterized in that: The feeding device also includes: A pushing block, arranged above the conveyor belt; The mechanical arm is connected to the pushing block and is configured to drive the pushing block to rise and fall, and the positioning mechanism can drive the pushing block to reciprocate along the first direction.

8. The feeding device according to claim 7, characterized in that: The robotic arm comprises: A linear module is arranged along a first direction, comprising a synchronous belt, a first output module and a second output module, wherein the first output module is connected to one side of the synchronous belt, and the second output module is connected to the other side of the synchronous belt; A third cylinder is arranged in a vertical direction and connected to the first output module; a fourth cylinder, arranged in a vertical direction and connected to the second output module; There are two pusher blocks, one of which is connected to the output end of the third cylinder, and the other is connected to the output end of the fourth cylinder.

9. A strapping machine, characterized in that: include: A carrier is provided with a positioning groove; and The loading device described in any one of claims 1 to 8 is configured to place books in the positioning groove of the carrier.

10. The strapping machine according to claim 9, characterized in that: The strapping machine further includes a photoelectric sensor configured to detect whether the book is placed in the carrier.

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