Book and periodical printing device convenient to adjust

Abstract

The utility model provides a book and periodical printing device convenient to adjust, which comprises a machine frame and a feeding assembly arranged on the machine frame, a printing machine main body used for printing paper is arranged on one side of the feeding assembly, and a conveying mechanism used for conveying the paper is arranged on one side of the printing machine main body. Paper used for printing sequentially penetrates through the middle of the first material guiding piece, is attached to the side wall of the second material guiding piece, the bottom side of the tensioning mechanism and the upper side of the third material guiding piece and is finally conveyed to a printing machine body for printing. The two oppositely-arranged limiting plates are arranged on the first material guiding piece, the second material guiding piece and the third material guiding piece in a sliding mode correspondingly, the two limiting plates can limit the two sides of paper, and the limiting mechanism can effectively prevent the paper from transversely shifting in the feeding process; the phenomenon of inaccurate overprinting caused by paper deviation is avoided, and the printing quality is guaranteed to a certain extent.

Description

Technical Field

[0001] The utility model relates to the field of printing equipment, in particular to a book and periodical printing device which is easy to adjust. Background Art

[0002] Books and periodicals refer to publications consisting of a series of pages bound together, usually used to carry text, pictures or other forms of information. The production process of books and periodicals generally includes multiple links such as editing, design, typesetting, printing and binding. Book and periodical printing devices are machines and equipment used to transfer graphic information to paper. Among them, flexible plate printing devices are often used in book and periodical printing. The device uses soft rubber or polyester printing plates to print on various papers.

[0003] The existing book and periodical printing device includes a frame, a feeding mechanism arranged on the frame and a printing machine body arranged on one side of the frame. The feeding mechanism is used to continuously supply paper to the printing machine body. The printing machine body performs the printing task and transfers the graphic information on the printing plate to the paper. The traditional positioning device generally relies on mechanical contact and friction to fix the paper during the feeding process. When facing papers of different widths, it may not be able to provide consistent positioning pressure, which will cause the paper to shift and affect the final printing effect.

[0004] Therefore, it is necessary to provide a new and easy-to-adjust book and periodical printing device to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a book and periodical printing device which is easy to adjust.

[0006] The utility model provides an easily adjustable book and periodical printing device comprising: a frame and a feeding assembly arranged on the frame, a printing machine body for printing paper is arranged on one side of the feeding assembly, and a conveying mechanism for conveying paper is arranged on one side of the printing machine body;

[0007] The feeding assembly comprises a paper feeding mechanism, a first material guide, a second material guide and a third material guide arranged on the frame, and a tensioning adjustment mechanism is also arranged on the frame, and the paper for printing passes through the middle of the first material guide in sequence and adheres to the side wall of the second material guide, the bottom side of the tensioning mechanism and the upper side of the third material guide, and is finally fed to the printing machine body for printing, and a limiting mechanism for limiting the position of the paper is arranged on the first material guide, the second material guide and the third material guide;

[0008] The limiting mechanism includes two limiting plates and a driving member for driving the two limiting plates to make relative movement. The two limiting plates are arranged opposite to each other and are respectively slidably arranged on the first material guide member, the second material guide member and the third material guide member. The bottom side of one end of the two limiting plates is in contact with the table surface of the printing table of the printing machine body.

[0009] Preferably, the driving member includes a threaded rod and a driving motor, one side of the driving motor is fixedly connected to the side wall of the frame, the output end of the driving motor movably passes through the frame and is fixedly connected to one end of the threaded rod, the other end of the threaded rod is rotatably connected to the inner wall of one side of the frame, and the threaded rod is provided with two sections of thread lines with opposite thread directions, and the thread lines at both ends are respectively matched with the two limit rod threads.

[0010] Preferably, the first material guide member includes two first guide rollers and two first rotating motors, one side of the two first rotating motors is fixedly connected to the side wall of the frame, the output ends of the two first rotating motors are movable through the side wall of the frame and are respectively fixedly connected to one end of the two first guide rollers, and the other ends of the two first guide rollers are rotatably connected to the inner wall of one side of the frame.

[0011] Preferably, the second material guide member includes a second guide roller and a second rotating motor, one side of the second rotating motor is fixedly connected to the side wall of the frame, the output end of the second rotating motor movably passes through the side wall of the frame and is fixedly connected to one end of the second guide roller, and the other end of the second guide roller is rotatably connected to the inner wall of one side of the frame.

[0012] Preferably, the third material guide member includes two third guide rollers, and both ends of the two third guide rollers are rotatably connected to the inner walls on opposite sides of the frame respectively.

[0013] Preferably, the tensioning mechanism includes a tensioning roller, two connecting plates, two fixed plates and two cylinders, the two ends of the two tensioning rollers are respectively slidably arranged in slide grooves opened on both sides of the frame, the two ends of the two tensioning rollers are respectively fixedly connected to one side of the two connecting plates, the bottom sides of the two connecting plates are respectively fixedly connected to the output ends of the two cylinders, the bottom ends of the two cylinders are respectively fixedly connected to the upper sides of the two fixed plates, and one side of the two fixed plates is respectively fixedly connected to the opposite sides of the frame.

[0014] Preferably, the limiting plate is provided with two first circular holes, one second circular hole and two third circular holes, the two first circular holes are respectively sleeved on the outer sides of the two first guide rollers, the first circular hole is sleeved on the outer sides of the second guide roller, and the two third circular holes are respectively sleeved on the outer sides of the two third guide rollers.

[0015] Preferably, the paper feeding mechanism includes a paper feeding roller for placing a paper feeding tube and a rotating motor for driving the paper feeding roller to rotate, one side of the rotating motor is fixedly connected to the side wall of the frame, the output end of the rotating motor movably passes through the frame and is fixedly connected to one end of the paper feeding roller, and the other end of the paper feeding roller is rotatably connected to the other side wall of the frame.

[0016] Compared with the related art, the easily adjustable book and periodical printing device provided by the utility model has the following beneficial effects:

[0017] The utility model provides a book and periodical printing device which is easy to adjust. When printing paper, the paper for printing passes through the middle of the first material guide member in sequence and fits with the side wall of the second material guide member, the bottom side of the tensioning mechanism and the upper side of the third material guide member, and is finally sent to the printing machine body for printing. Moreover, since two relatively arranged limit plates are respectively slidably arranged on the first material guide member, the second material guide member and the third material guide member, the two limit plates make relative movement under the driving of the driving member. The two limit plates can limit the two sides of the paper wound around the first material guide member, the second material guide member and the side wall of the third material guide member. The limit mechanism ensures the position of the paper before entering the printing area, can effectively prevent the paper from being laterally offset during the feeding process, avoids the phenomenon of inaccurate overprinting caused by paper offset, and guarantees the printing quality to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The overall structure of the book and periodical printing device provided by the utility model is easy to adjust Figure 1 ;

[0019] Figure 2 The overall structure of the book and periodical printing device provided by the utility model is easy to adjust Figure 1 two;

[0020] Figure 3 A schematic diagram of the cross-sectional structure of the book and periodical printing device provided by the utility model which is easy to adjust Figure 1 ;

[0021] Figure 4 A schematic diagram of the cross-sectional structure of the book and periodical printing device provided by the utility model which is easy to adjust Figure 2 ;

[0022] Figure 5 This is a schematic diagram of the limit mechanism structure provided by the utility model.

[0023] Numbers in the figure: 1. frame; 2. conveying mechanism; 3. printing machine body; 4. limit plate; 5. driving motor; 6. threaded rod; 7. first circular hole; 8. second circular hole; 9. third circular hole; 10. first guide roller; 11. first rotating motor; 12. second guide roller; 13. second rotating motor; 14. third guide roller; 15. tensioning roller; 16. connecting plate; 17. fixing plate; 18. cylinder; 19. slide; 20. paper feed roller; 21. rotating motor. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention will be further described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0026] Please refer to Figure 1-Figure 5 ,in, Figure 1 The overall structure of the book and periodical printing device provided by the utility model is easy to adjust Figure 1 ; Figure 2 The overall structure of the book and periodical printing device provided by the utility model is easy to adjust Figure 2 ; Figure 3 A schematic diagram of the cross-sectional structure of the book and periodical printing device provided by the utility model which is easy to adjust Figure 1 ; Figure 4 A schematic diagram of the cross-sectional structure of the book and periodical printing device provided by the utility model which is easy to adjust Figure 2 ; Figure 5 This is a schematic diagram of the limit mechanism structure provided by the utility model.

[0027] In the specific implementation process, Figure 1-Figure 5 As shown, a book and periodical printing device that is easy to adjust includes a frame 1 and a feeding assembly arranged on the frame 1, a printing machine body 3 for printing paper is arranged on one side of the feeding assembly, and a conveying mechanism 2 for conveying paper is arranged on one side of the printing machine body 3;

[0028] The feeding assembly includes a paper feeding mechanism, a first material guide, a second material guide and a third material guide arranged on the frame 1. The frame 1 is also provided with a tensioning adjustment mechanism. The paper for printing passes through the middle of the first material guide in sequence and fits with the side wall of the second material guide, the bottom side of the tensioning mechanism and the upper side of the third material guide, and is finally fed to the printer body 3 for printing. The first material guide, the second material guide and the third material guide are all provided with a limiting mechanism for limiting the position of the paper.

[0029] The limiting mechanism includes two limiting plates 4 and a driving member for driving the two limiting plates 4 to move relative to each other. The two limiting plates 4 are arranged opposite to each other and are respectively slidably arranged on the first material guide member, the second material guide member and the third material guide member. The bottom side of one end of the two limiting plates 4 is in contact with the table surface of the printing table of the printing machine body 3.

[0030] It should be noted that when printing paper, the paper used for printing passes through the middle of the first material guide in sequence and fits against the side wall of the second material guide, the bottom side of the tensioning mechanism and the upper side of the third material guide and is finally sent to the printing machine body 3 for printing. When the paper passes through the various material guides of the printing machine, the limit plate 4 will limit the position of the paper to prevent it from moving horizontally during transportation, thereby avoiding inaccurate overprinting caused by paper offset and ensuring printing quality to a certain extent.

[0031] Specifically, Figure 5 As shown, the driving member includes a threaded rod 6 and a driving motor 5. One side of the driving motor 5 is fixedly connected to the side wall of the frame 1. The output end of the driving motor 5 movably penetrates the frame 1 and is fixedly connected to one end of the threaded rod 6. The other end of the threaded rod 6 is rotatably connected to the inner wall of one side of the frame 1. The threaded rod 6 is provided with two sections of thread lines with opposite thread directions. The thread lines at both ends are respectively matched with the threads of the two limit rods. When the driving motor 5 is started, the driving motor 5 drives the two limit plates 4 to move closer to or away from each other. The spacing between the limit plates 4 can be adjusted according to the width of the paper, and the applicability is strong.

[0032] The first material guide member includes two first guide rollers 10 and two first rotating motors 11. One side of the two first rotating motors 11 is fixedly connected to the side wall of the frame 1. The output ends of the two first rotating motors 11 are movable through the side wall of the frame 1 and are respectively fixedly connected to one end of the two first guide rollers 10. The other ends of the two first guide rollers 10 are rotatably connected to the inner wall of one side of the frame 1.

[0033] The second material guide member includes a second guide roller 12 and a second rotary motor 13, one side of the second rotary motor 13 is fixedly connected to the side wall of the frame 1, the output end of the second rotary motor 13 movably penetrates the side wall of the frame 1 and is fixedly connected to one end of the second guide roller 12, and the other end of the second guide roller 12 is rotatably connected to the inner wall of one side of the frame 1;

[0034] The third material guide member includes two third guide rollers 14, and the two ends of the two third guide rollers 14 are rotatably connected to the inner walls of the frame 1 on opposite sides respectively;

[0035] The tensioning mechanism includes a tensioning roller 15, two connecting plates 16, two fixing plates 17 and two cylinders 18. The two ends of the two tensioning rollers 15 are respectively slidably arranged in the slide grooves 19 opened on both sides of the frame 1. The two ends of the two tensioning rollers 15 are respectively fixedly connected to one side of the two connecting plates 16. The bottom sides of the two connecting plates 16 are respectively fixedly connected to the output ends of the two cylinders 18. The bottom ends of the two cylinders 18 are respectively fixedly connected to the upper sides of the two fixing plates 17. One side of the two fixing plates 17 is respectively fixedly connected to the opposite sides of the frame 1. The tensioning roller 15 is connected to the piston rod of the cylinder 18 through the connecting plate 16 and can slide up and down in the slide groove 19 to meet different tensioning requirements.

[0036] The limiting plate 4 is provided with two first circular holes 7, one second circular hole 8 and two third circular holes 9. The two first circular holes 7 are respectively sleeved on the outer sides of the two first guide rollers 10, the first circular hole 7 is sleeved on the outer sides of the second guide roller 12, and the two third circular holes 9 are respectively sleeved on the outer sides of the two third guide rollers 14.

[0037] The paper feeding mechanism includes a paper feeding roller 20 for placing a paper feeding cylinder and a rotating motor 21 for driving the paper feeding roller 20 to rotate. One side of the rotating motor 21 is fixedly connected to the side wall of the frame 1. The output end of the rotating motor 21 movably passes through the frame 1 and is fixedly connected to one end of the paper feeding roller 20. The other end of the paper feeding roller 20 is rotatably connected to the other side wall of the frame 1. The rotation speed of the paper feeding roller 20 is controlled by the rotating motor 21. The rotation speed of the rotating motor 21 can be adjusted by a frequency converter to adapt to different printing speeds and paper types.

[0038] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A book and periodical printing device that is easy to adjust, characterized in that: include: A frame (1) and a feeding assembly arranged on the frame (1), wherein a printing machine body (3) for printing paper is arranged on one side of the feeding assembly, and a conveying mechanism (2) for conveying paper is arranged on one side of the printing machine body (3); The feeding assembly comprises a paper feeding mechanism, a first material guide, a second material guide and a third material guide arranged on the frame (1); the frame (1) is also provided with a tensioning adjustment mechanism; the paper for printing passes through the middle of the first material guide in sequence and adheres to the side wall of the second material guide, the bottom side of the tensioning mechanism and the upper side of the third material guide, and is finally fed to the printing machine body (3) for printing; the first material guide, the second material guide and the third material guide are all provided with a limiting mechanism for limiting the position of the paper; The limiting mechanism comprises two limiting plates (4) and a driving member for driving the two limiting plates (4) to move relative to each other. The two limiting plates (4) are arranged opposite to each other and are respectively slidably arranged on the first material guide member, the second material guide member and the third material guide member. The bottom side of one end of the two limiting plates (4) is in contact with the table surface of the printing table of the printing machine body (3).

2. The easily adjustable book and periodical printing device according to claim 1, characterized in that: The driving member comprises a threaded rod (6) and a driving motor (5), one side of the driving motor (5) is fixedly connected to the side wall of the frame (1), the output end of the driving motor (5) movably passes through the frame (1) and is fixedly connected to one end of the threaded rod (6), the other end of the threaded rod (6) is rotatably connected to the inner wall of one side of the frame (1), and the threaded rod (6) is provided with two sections of thread lines with opposite thread directions, and the thread lines at both ends are respectively matched with the threads of the two limit rods.

3. The easily adjustable book and periodical printing device according to claim 2, characterized in that: The first material guide member comprises two first guide rollers (10) and two first rotating motors (11); one side of the two first rotating motors (11) is fixedly connected to the side wall of the frame (1); the output ends of the two first rotating motors (11) are movably passed through the side wall of the frame (1) and are respectively fixedly connected to one end of the two first guide rollers (10); and the other ends of the two first guide rollers (10) are rotatably connected to the inner wall of one side of the frame (1).

4. The easily adjustable book and periodical printing device according to claim 3, characterized in that: The second material guide member comprises a second guide roller (12) and a second rotating motor (13); one side of the second rotating motor (13) is fixedly connected to the side wall of the frame (1); an output end of the second rotating motor (13) movably passes through the side wall of the frame (1) and is fixedly connected to one end of the second guide roller (12); and the other end of the second guide roller (12) is rotatably connected to the inner wall of one side of the frame (1).

5. The easily adjustable book and periodical printing device according to claim 4, characterized in that: The third material guide member comprises two third guide rollers (14), and the two ends of the two third guide rollers (14) are rotatably connected to the inner walls of the frame (1) on opposite sides.

6. The easily adjustable book and periodical printing device according to claim 5, characterized in that: The tensioning mechanism comprises a tensioning roller (15), two connecting plates (16), two fixed plates (17) and two cylinders (18); the two ends of the two tensioning rollers (15) are respectively slidably arranged in slide grooves (19) provided on both sides of the frame (1); the two ends of the two tensioning rollers (15) are respectively fixedly connected to one side of the two connecting plates (16); the bottom sides of the two connecting plates (16) are respectively fixedly connected to the output ends of the two cylinders (18); the bottom ends of the two cylinders (18) are respectively fixedly connected to the upper sides of the two fixed plates (17); and one side of the two fixed plates (17) is respectively fixedly connected to the opposite sides of the frame (1).

7. The easily adjustable book and periodical printing device according to claim 5, characterized in that: The limiting plate (4) is provided with two first circular holes (7), one second circular hole (8) and two third circular holes (9); the two first circular holes (7) are respectively sleeved on the outside of the two first guide rollers (10); the first circular hole (7) is sleeved on the outside of the second guide roller (12); and the two third circular holes (9) are respectively sleeved on the outside of the two third guide rollers (14).

8. The easily adjustable book and periodical printing device according to claim 7, characterized in that: The paper feeding mechanism comprises a paper feeding roller (20) for placing a paper feeding cylinder and a rotating motor (21) for driving the paper feeding roller (20) to rotate, one side of the rotating motor (21) is fixedly connected to a side wall of the frame (1), an output end of the rotating motor (21) movably passes through the frame (1) and is fixedly connected to one end of the paper feeding roller (20), and the other end of the paper feeding roller (20) is rotatably connected to the other side wall of the frame (1).

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