Flag push assembly and paper sheet push line

Abstract

The present invention relates to the field of book production and discloses a flag push assembly and a paper sheet pushing line. The flag push assembly includes a flag push body, a body connecting block, and a bottom positioning block. The flag push body is used to push paper sheets on the paper sheet pushing line. The body connecting block is used to connect the flag push body with the bottom positioning block. The bottom positioning block is used to position and fix the flag push assembly on the paper sheet pushing line. The present invention connects the flag push body to the bottom positioning block through a body connecting block provided with a horizontal adjustment slot. This allows for horizontal adjustment to be performed to account for spacing errors after the flag push assembly is installed, adjusting the relative position of the flag push body and the bottom positioning block, thereby improving the accuracy of paper sheet pushing.

Description

Technical Field

[0001] The present invention relates to the field of book production, in particular to a flag pushing component and a paper page pushing line. Background Art

[0002] On a book production line, the sheet pusher is a key component for achieving automated and continuous production. Optimizing the sheet pusher's design and increasing its operational utilization can boost production capacity. Currently, after installing the flag pusher assembly on the sheet pusher line, sheet pusher accuracy still needs to be improved. Summary of the Invention

[0003] The present invention aims to improve at least one technical problem in the background technology.

[0004] The first aspect of the present invention provides a flag pushing assembly, including a flag pushing body, a body connecting block and a bottom positioning block, the flag pushing body is used to push paper sheets on the paper pushing line, the flag pushing body is provided with a pushing surface, and the pushing surface faces the y-axis direction; the body connecting block is used to connect the flag pushing body and the bottom positioning block, the flag pushing body is locked on the body connecting block, both ends of the body connecting block are provided with horizontal adjustment grooves, the horizontal adjustment grooves extend along the y-axis, and the horizontal adjustment grooves penetrate the body connecting block along the z-axis; the bottom positioning block is used to position and fix the flag pushing assembly on the paper pushing line, both ends of the upper surface of the bottom positioning block are provided with horizontal adjustment fixing holes, and the flag pushing assembly also includes horizontal adjustment fixing nails, and the horizontal adjustment fixing nails pass through the horizontal adjustment grooves and are threadedly connected to the horizontal adjustment fixing holes.

[0005] The beneficial effect of the flag pushing assembly of the first aspect of the present invention is: the flag pushing body is connected to the bottom positioning block by a main body connecting block provided with a horizontal adjustment groove, and horizontal adjustment can be performed according to the spacing error after the flag pushing assembly is installed, and the relative position of the flag pushing body and the bottom positioning block is adjusted, thereby improving the accuracy of paper pushing.

[0006] Furthermore, a main body positioning through hole is provided at the bottom of the flag-pushing main body, and the main body positioning through hole penetrates the flag-pushing main body along the x-axis; a connecting positioning through hole is provided in the middle of the main body connecting block, and the connecting positioning through hole penetrates the main body connecting block along the x-axis. The flag-pushing assembly also includes a main body positioning pin, and the main body positioning pin passes through the main body positioning through hole and is threadedly connected to the connecting positioning through hole to lock the flag-pushing main body on the main body connecting block. The adoption of this technical solution can facilitate the installation and disassembly of the flag-pushing main body, so that different flag-pushing main bodies can be replaced when dealing with different paper sheet feeding, or it is convenient to disassemble and repair the flag-pushing main body.

[0007] Furthermore, a bottom positioning through hole is provided at the bottom of the bottom positioning block, and the bottom positioning through hole penetrates the bottom positioning block along the x-axis. The bottom positioning through hole is connected with the corresponding part of the paper pushing line. The use of this technical solution can facilitate the positioning and installation of the flag pushing assembly on the paper pushing line.

[0008] Furthermore, the main connecting block also includes a transverse adjustment limit block, which protrudes from the lower surface of the main connecting block along the z-axis. The upper surface of the bottom positioning block is provided with a transverse adjustment limit groove, which extends along the y-axis. The transverse adjustment limit block extends into the transverse adjustment limit groove. When using this technical solution, when adjusting the transverse adjustment, the transverse adjustment limit block slides along the transverse adjustment limit groove, which can make the transverse adjustment more convenient.

[0009] Furthermore, the bottom positioning block also includes two horizontal adjustment push rods, and push rod positioning holes are provided at both ends of the bottom positioning block. The push rod positioning holes penetrate the bottom positioning block along the y-axis until they are connected with the horizontal adjustment limit groove. The horizontal adjustment push rod passes through the push rod positioning hole and extends into the horizontal adjustment limit groove to press against the horizontal adjustment limit block. The horizontal adjustment push rod is threadedly connected to the push rod positioning hole. When adopting this technical solution, when adjusting the horizontal adjustment, the horizontal adjustment can be fine-tuned by slightly rotating the horizontal adjustment push rod, and then the horizontal adjustment push rod slightly pushes the horizontal adjustment limit block, making the horizontal adjustment more precise.

[0010] Furthermore, the flag pushing body is provided with two push surface positioning through holes, and the two push surface positioning through holes are spaced apart from each other up and down, and the push surface positioning through holes all penetrate the flag pushing body along the y-axis, and the back of the push surface is provided with two push surface fixing holes, and the flag pushing assembly is also provided with a push surface fixing nail, and the push surface fixing nail passes through the push surface positioning through hole and is threadedly connected to the push surface fixing hole. This technical solution can realize the installation and disassembly of a separate push surface, and replace the push surface suitable for different paper feeding scenarios.

[0011] Furthermore, the flag pushing body also includes two push surface adjustment push rods, and the flag pushing body is also provided with two push surface adjustment holes, the two push surface adjustment holes are arranged spaced apart up and down, and the push surface adjustment holes penetrate the flag pushing body along the y-axis, and the push surface adjustment push rods pass through the push surface adjustment holes and rest against the back of the push surface, and the push surface adjustment push rods are threadedly connected to the push surface adjustment holes. With this technical solution, based on the threaded connection between the push surface fixing pin and the push surface fixing hole, due to a certain gap between the thread teeth, the push surface adjustment push rod can be slightly rotated to make slight adjustments to the inclination angle of the push surface on the z-axis to eliminate the error interference of the push surface inclination angle.

[0012] Furthermore, the flag pushing assembly also includes a side positioning block, which is used to position the side of the flag pushing assembly on the paper page pushing line. The side positioning block is provided with a side positioning through hole, and the main body positioning pin passes through the connecting positioning through hole and the main body positioning through hole in sequence, and is threadedly connected to the side positioning through hole to lock the main body connecting block, the flag pushing body and the side positioning block. The lower surface of the side positioning block is against the paper page pushing line. This technical solution can further position and stabilize the flag pushing assembly on the paper page pushing line.

[0013] A second aspect of the present invention provides a paper sheet pushing line, comprising the above-mentioned flag pushing assembly, the paper sheet pushing line further comprising a flag pushing fixing mechanism, and the bottom positioning block of the flag pushing assembly is connected to the flag pushing fixing mechanism of the paper sheet pushing line.

[0014] The second aspect of the present invention has the beneficial effect of the paper sheet pushing line: after the paper sheet pushing line is installed with the flag pushing assembly, the interval error interference of the flag pushing assembly can be eliminated by horizontal adjustment of the flag pushing assembly, thereby improving the accuracy of paper sheet pushing.

[0015] The third aspect of the present invention provides a paper sheet pushing line, including the above-mentioned flag pushing assembly, the flag pushing assembly is provided with a side positioning block, the paper sheet pushing line also includes a flag pushing fixing mechanism and a side positioning guide rail, the bottom positioning mechanism of the flag pushing assembly is connected to the flag pushing fixing mechanism of the paper sheet pushing line, and the lower surface of the side positioning block of the flag pushing assembly is against the side positioning guide rail of the paper sheet pushing line.

[0016] The third aspect of the present invention provides a beneficial effect of the paper sheet pushing line: after the flag pushing assembly is installed on the paper sheet pushing line, the interval error interference of the flag pushing assembly can be eliminated by horizontal adjustment of the flag pushing assembly, thereby improving the accuracy of paper sheet pushing; when pushing the paper sheet, the side positioning block of the flag pushing assembly slides along the side positioning guide rail of the paper sheet pushing line, making the paper sheet pushing smoother.

[0017] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments with reference to the accompanying drawings, in which:

[0019] Figure 1 This is an axonometric view of the flag push assembly of the present invention;

[0020] Figure 2 An exploded view of the flag pushing assembly of the present invention;

[0021] Figure 3 This is a schematic diagram of the connection between the paper sheet pushing line and the flag pushing assembly of the present invention;

[0022] Figure 4 for Figure 3 A partial enlarged view of the middle A;

[0023] Figure 5 A schematic diagram of the side positioning of the paper sheet push line and the flag push assembly of the present invention;

[0024] Figure 6 for Figure 5 A partial enlarged view of point B in the middle.

[0025] In the accompanying drawings: 1-flag pusher body; 11-push surface; 12-body positioning through hole; 13-push surface positioning through hole; 14-push surface fixing hole; 15-push surface adjustment hole; 2-body connecting block; 21-connecting positioning through hole; 22-horizontal adjustment groove; 23-horizontal adjustment limit block; 3-bottom positioning block; 31-bottom positioning through hole; 32-horizontal adjustment fixing hole; 33-horizontal adjustment limit groove; 34-horizontal adjustment push rod; 35-push rod positioning hole; 4-side positioning block; 41-side positioning through hole; 5-flag pusher fixing mechanism; 6-side positioning guide rail. DETAILED DESCRIPTION

[0026] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0027] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0028] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0029] The following combination Figures 1 to 6 Embodiments of the present invention are described.

[0030] This embodiment relates to a flag pushing assembly and a paper sheet pushing line, so as to solve the problem that after the flag pushing assembly is installed on the paper sheet pushing line, the flag pushing assembly has a spacing error and the paper sheet pushing accuracy still needs to be further improved.

[0031] Reference Figure 1 and Figure 2 , the flag pushing assembly of this embodiment includes a flag pushing body 1, a body connecting block 2 and a bottom positioning block 3, the flag pushing body 1 is used to push the paper sheet on the paper sheet pushing line, the flag pushing body 1 is provided with a pushing surface 11, and the pushing surface 11 faces the y-axis direction; the main body connecting block 2 is used to connect the flag pushing body 1 and the bottom positioning block 3, the flag pushing body 1 is locked on the main body connecting block 2, both ends of the main body connecting block 2 are provided with horizontal adjustment grooves 22, the horizontal adjustment groove 22 extends along the y-axis, and the horizontal adjustment groove 22 penetrates the main body connecting block 2 along the z-axis; the bottom positioning block 3 is used to position and fix the flag pushing assembly on the paper sheet pushing line, and both ends of the upper surface of the bottom positioning block 3 are provided with horizontal adjustment fixing holes 32, and the flag pushing assembly also includes a horizontal adjustment fixing nail (not shown in the figure), which passes through the horizontal adjustment fixing nail and is threadedly connected to the horizontal adjustment fixing hole 32.

[0032] In this embodiment, the flag pushing body 1 and the bottom positioning block 3 are connected by a main connecting block 2 provided with a horizontal adjustment groove 22. The horizontal adjustment can be performed according to the spacing error after the flag pushing assembly is installed, and the relative position of the flag pushing body 1 and the bottom positioning block 3 can be adjusted, thereby improving the accuracy of paper pushing.

[0033] Furthermore, a main body positioning through hole 12 is provided at the bottom of the flag-pushing main body 1, and the main body positioning through hole 12 penetrates the flag-pushing main body 1 along the x-axis; a connecting positioning through hole 21 is provided in the middle of the main body connecting block 2, and the connecting positioning through hole 21 penetrates the main body connecting block 2 along the x-axis. The flag-pushing assembly is also provided with a main body positioning pin (not shown in the figure), and the main body positioning pin passes through the main body positioning through hole 12 and is threadedly connected to the connecting positioning through hole 21 to lock the flag-pushing main body 1 on the main body connecting block 2. The flag-pushing main body 1 of this embodiment is easy to install and disassemble, so that different flag-pushing main bodies 1 can be replaced when dealing with different paper sheet feeding, and it is also convenient for the flag-pushing main body 1 to be disassembled and repaired.

[0034] Furthermore, a bottom positioning through hole 31 is provided at the bottom of the bottom positioning block 3, and the bottom positioning through hole 31 penetrates the bottom positioning block 3 along the x-axis. The bottom positioning through hole 31 is connected with the corresponding part of the paper pushing line. In this embodiment, the flag pushing assembly can be conveniently positioned and installed on the paper pushing line through the bottom positioning block 3.

[0035] Furthermore, the main connecting block 2 also includes a transverse adjustment limit block 23, which protrudes from the lower surface of the main connecting block 2 along the z-axis. The upper surface of the bottom positioning block 3 is provided with a transverse adjustment limit groove 33, and the transverse adjustment limit groove 33 extends along the y-axis. The transverse adjustment limit block 23 extends into the transverse adjustment limit groove 33. In this embodiment, when adjusting the transverse adjustment, the transverse adjustment limit block 23 slides along the transverse adjustment limit groove 33, which can make the transverse adjustment more convenient.

[0036] Furthermore, the bottom positioning block 3 also includes two horizontal adjustment push rods 34, and push rod positioning holes 35 are provided at both ends of the bottom positioning block 3. The push rod positioning holes 35 penetrate into the bottom positioning block 3 along the y-axis until they are connected with the horizontal adjustment limit groove 33. The horizontal adjustment push rod 34 passes through the push rod positioning holes 35 and extends into the horizontal adjustment limit groove 33 and then presses against the horizontal adjustment limit block 23. The horizontal adjustment push rod 34 is threadedly connected to the push rod positioning holes 35. When adjusting the horizontal adjustment in this embodiment, the horizontal adjustment can be fine-tuned by slightly rotating the horizontal adjustment push rod 34, and then the horizontal adjustment push rod 34 slightly pushes the horizontal adjustment limit block 23, so that the horizontal adjustment adjustment is more precise.

[0037] In this embodiment, when adjusting the horizontal adjustment, first loosen the horizontal adjustment push rod 34 on the side of the horizontal adjustment direction, and then rotate the horizontal adjustment push rod 34 on the other side to push the horizontal adjustment limit block 23 to move. The horizontal adjustment limit block 23 drives the main connecting block 2 and then drives the flag pushing body 1 to move. After the horizontal adjustment is completed, tighten the previously loosened horizontal adjustment push rod 34 again. For example, refer to Figure 2 The two horizontal adjustment push rods 34 are respectively located in the positive direction and negative direction of the bottom positioning block 3 along the y-axis. The horizontal adjustment push rod 34 along the positive direction of the y-axis passes through the push rod positioning hole 35 along the positive direction of the y-axis of the bottom positioning block 3 toward the negative direction of the y-axis and then presses against the horizontal adjustment limit block 23.

[0038] Furthermore, two push surface positioning through holes 13 are provided on the flag pushing body 1, and the two push surface positioning through holes 13 are spaced apart from each other up and down. The push surface positioning through holes 13 all penetrate the flag pushing body 1 along the y-axis, and two push surface fixing holes 14 are provided on the back of the push surface 11. The flag pushing assembly is also provided with a push surface fixing nail (not shown in the figure), and the push surface fixing nail passes through the push surface positioning through hole 13 and is threadedly connected to the push surface fixing hole 14. This embodiment can realize the installation and disassembly of a separate push surface 11, and replace the push surface 11 that is suitable for different paper feeding scenarios.

[0039] Furthermore, the flag-pushing body 1 also includes two push surface adjustment push rods (not shown in the figure), and the flag-pushing body 1 is also provided with two push surface adjustment holes 15, and the two push surface adjustment holes 15 are arranged spaced apart from each other, and the push surface adjustment hole 15 penetrates the flag-pushing body 1 along the y-axis, and the push surface adjustment push rod passes through the push surface adjustment hole 15 and presses against the back of the push surface 11, and the push surface adjustment push rod is threadedly connected to the push surface adjustment hole 15. On the basis of the threaded connection between the push surface fixing nail and the push surface fixing hole, since there is a certain gap between the thread teeth, the push surface adjustment push rod can be slightly rotated in this embodiment to finely adjust the inclination angle of the push surface 11 on the z-axis to eliminate the error interference of the inclination angle of the push surface 11; if the push surface 11 needs to be fine-tuned to make it tilt downward along the z-axis, the upper push surface adjustment push rod is rotated, and vice versa. The lower push surface adjustment push rod is rotated.

[0040] Furthermore, the flag pushing assembly also includes a side positioning block 4, which is used to position the side of the flag pushing assembly on the paper page pushing line. The side positioning block 4 is provided with a side positioning through hole 41. The main body positioning pin passes through the connecting positioning through hole 21 and the main body positioning through hole 12 in sequence, and is threadedly connected to the side positioning through hole 41 to lock the main body connecting block 2, the flag pushing body 1 and the side positioning block 4. The lower surface of the side positioning block 4 in this embodiment is against the paper page pushing line, thereby realizing further positioning and limitation of the flag pushing assembly on the paper page pushing line, and making the flag pushing assembly push paper pages more smoothly.

[0041] Reference Figure 3 and Figure 4 The present invention provides two embodiments of a paper sheet pushing line. In the first embodiment of the paper sheet pushing line, it includes the above-mentioned flag pushing assembly, and the paper sheet pushing line also includes a flag pushing fixing mechanism 5. The bottom positioning block 3 of the flag pushing assembly is connected to the flag pushing fixing mechanism 5 of the paper sheet pushing line. In this embodiment, the flag pushing fixing mechanism 5 of the paper sheet pushing line passes through the bottom positioning through hole 31 on the bottom positioning block 3 of the flag pushing assembly and locks the flag pushing assembly on the paper sheet pushing line. In this embodiment, the interval error interference of the flag pushing assembly can be eliminated by horizontal adjustment of the flag pushing assembly, thereby improving the accuracy of paper sheet pushing.

[0042] Reference Figures 3 to 6 In the second embodiment of the paper sheet pushing line, this embodiment includes the above-mentioned flag pushing assembly, and the flag pushing assembly has a side positioning block 4. The paper sheet pushing line also includes a flag pushing fixing mechanism 5 and a side positioning guide rail 6. The bottom positioning block 3 of the flag pushing assembly is connected to the flag pushing fixing mechanism 5 of the paper sheet pushing line, and the lower surface of the side positioning block 4 of the flag pushing assembly is against the side positioning guide rail 6 of the paper sheet pushing line. This embodiment has the technical effect of the first embodiment of the paper sheet pushing line of the present invention, and when the paper sheet is pushed, the side positioning block 4 of the flag pushing assembly slides along the side positioning guide rail 6 of the paper sheet pushing line, making the paper sheet pushing more stable.

[0043] The above specifically describes the preferred embodiments of the present invention, but the present invention is not limited to the embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of the present invention.

Claims

1. Flag pushing assembly, characterized in that, It comprises a flag pushing body (1), a body connecting block (2) and a bottom positioning block (3); the flag pushing body (1) is used to push paper sheets on a paper sheet pushing line; the flag pushing body (1) is provided with a pushing surface (11), and the pushing surface (11) faces the y-axis direction; The main body connecting block (2) is used to connect the flag pushing body (1) and the bottom positioning block (3); the flag pushing body (1) is locked on the main body connecting block (2); both ends of the main body connecting block (2) are provided with a transverse adjustment groove (22); the transverse adjustment groove (22) extends along the y-axis, and the transverse adjustment groove (22) penetrates the main body connecting block (2) along the z-axis; The bottom positioning block (3) is used to position and fix the flag pushing assembly on the paper sheet pushing line. Both ends of the upper surface of the bottom positioning block (3) are provided with horizontal adjustment fixing holes (32). The flag pushing assembly also includes a horizontal adjustment fixing nail, which passes through the horizontal adjustment adjustment slot (22) and is threadedly connected to the horizontal adjustment fixing hole (32). The main body connecting block (2) further comprises a transverse adjustment limit block (23), the transverse adjustment limit block (23) protruding from the lower surface of the main body connecting block (2) along the z-axis, the upper surface of the bottom positioning block (3) is provided with a transverse adjustment limit groove (33), the transverse adjustment limit groove (33) extends along the y-axis, and the transverse adjustment limit block (23) extends into the transverse adjustment limit groove (33); The bottom positioning block (3) further comprises two transverse adjustment push rods (34), both ends of the bottom positioning block (3) are provided with push rod positioning holes (35), the push rod positioning holes (35) penetrate the bottom positioning block (3) along the y-axis until they are connected with the transverse adjustment limit groove (33), the transverse adjustment push rod (34) passes through the push rod positioning holes (35) and extends into the transverse adjustment limit groove (33) and then presses against the transverse adjustment limit block (23), and the transverse adjustment push rod (34) is threadedly connected to the push rod positioning holes (35); The flag pushing body (1) is provided with two push surface positioning through holes (13), the two push surface positioning through holes (13) are spaced apart from each other in the upper and lower parts, and the push surface positioning through holes (13) penetrate the flag pushing body (1) along the y-axis. The back of the push surface (11) is provided with two push surface fixing holes (14), and the flag pushing assembly is further provided with a push surface fixing nail, which passes through the push surface positioning through holes (13) and is threadedly connected to the push surface fixing holes (14); The flag pushing body (1) further comprises two push surface adjustment push rods, and the flag pushing body (1) is further provided with two push surface adjustment holes (15), the two push surface adjustment holes (15) being arranged spaced apart from each other in the upper and lower parts, the push surface adjustment holes (15) penetrating the flag pushing body (1) along the y-axis, the push surface adjustment push rods passing through the push surface adjustment holes (15) and resting against the back side of the push surface (11), the push surface adjustment push rods being threadedly connected to the push surface adjustment holes (15), and the inclination angle of the push surface (11) on the z-axis being adjusted by rotating the push surface adjustment push rods.

2. The flag pushing assembly according to claim 1, characterized in that: The bottom of the flag-pushing body (1) is provided with a body positioning through hole (12), and the body positioning through hole (12) penetrates the flag-pushing body (1) along the x-axis; the middle of the body connecting block (2) is provided with a connecting positioning through hole (21), and the connecting positioning through hole (21) penetrates the body connecting block (2) along the x-axis. The flag-pushing assembly further includes a body positioning pin, and the body positioning pin passes through the body positioning through hole (12) and is threadedly connected to the connecting positioning through hole (21), thereby locking the flag-pushing body (1) on the body connecting block (2).

3. The flag pushing assembly according to claim 1, characterized in that: A bottom positioning through hole (31) is provided at the bottom of the bottom positioning block (3), the bottom positioning through hole (31) penetrates the bottom positioning block (3) along the x-axis, and the bottom positioning through hole (31) is connected to a corresponding portion of the paper sheet pushing line.

4. The flag pushing assembly according to claim 2, characterized in that: The flag pushing assembly further comprises a side positioning block (4), the side positioning block (4) being used to position the side of the flag pushing assembly on the paper sheet pushing line, the side positioning through hole (41) being provided on the side positioning block (4), the main body positioning pin sequentially passing through the connecting positioning through hole (21) and the main body positioning through hole (12), being threadedly connected to the side positioning through hole (41), thereby locking the main body connecting block (2), the flag pushing body (1) and the side positioning block (4).

5. Paper sheet pushing line, characterized in that: The paper sheet pushing line comprises the flag pushing assembly according to any one of claims 1 to 3, and the paper sheet pushing line further comprises a flag pushing fixing mechanism (5), and the bottom positioning block (3) of the flag pushing assembly is connected to the flag pushing fixing mechanism (5) of the paper sheet pushing line.

6. Paper sheet pushing line, characterized in that: The paper sheet pushing line includes the flag pushing assembly as described in claim 4, and the paper sheet pushing line also includes a flag pushing fixing mechanism (5) and a side positioning guide rail (6). The bottom positioning block (3) of the flag pushing assembly is connected to the flag pushing fixing mechanism (5) of the paper sheet pushing line, and the lower surface of the side positioning block (4) of the flag pushing assembly abuts against the side positioning guide rail (6) of the paper sheet pushing line.

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