Cutting device of digital printing machine

Abstract

The utility model belongs to the field of digital printing machines, and provides a digital printing machine cutting device which comprises a cutting placing panel, a cutting knife is arranged above the cutting placing panel, and the top end of the cutting knife is inserted into a mounting cavity and abuts against the outer side wall of an abutting idler wheel. The top end of the mounting cavity is connected with the bottom end of a connecting block, a connecting frame is arranged above the connecting block, the abutting roller can abut against the cutting knife in the using process, so that the cutting knife is limited and fixed, the abutting roller bears damping force generated by a damping bearing, and therefore the cutting knife is prevented from falling off, and the cutting knife is prevented from falling off. According to the cutting device, the cutting knife can be stably limited and fixed through the rotating shaft and potential energy released by the connecting spring, so that the cutting knife can be conveniently disassembled, assembled and maintained in the using process, the cutting knife always has good cutting force in the using process, and the practicability and convenience of the device are improved.

Description

Technical Field

[0001] The utility model relates to the field of digital printing machines, in particular to a cutting device of a digital printing machine. Background Art

[0002] Digital printing technology refers to the use of a prepress system to transmit graphic information directly to a digital printing press via a network for printing. Its advantage over traditional printing presses is that when using the enhanced productivity mode (EPM), it can print 14,000 four-color A4 sheets per hour and 19,200 color A4 sheets per hour, greatly enhancing printing efficiency.

[0003] In the prior art, during the digital printing process, after the digital printing is completed, it is necessary to perform operations such as trimming the printed paper, which requires the use of a cutting device of a digital printing machine, and the paper is cut by a cutting knife. Therefore, during use, the cutting knife will become stuck due to long-term use and needs to be replaced, while the traditional cutting device of a digital printing machine cannot quickly replace the cutting knife, resulting in inconvenience in use.

[0004] After searching, it is found that a cutting device for a digital printing machine is disclosed in a Chinese patent document (publication number: CN211491774U). The utility model relates to the technical field of printing equipment and discloses a cutting device for a digital printing machine, including a base, a groove is provided at the front end of the top of the base, a bearing is provided between the lateral side walls of the groove and the lateral side walls of the base, a screw rod is provided in the groove, and the two ends of the screw rod respectively pass through the bearing and extend to the outside of the base; a pair of moving mechanisms are provided on the screw rod, and the rotation of the screw rod can drive the pair of moving mechanisms to move toward each other; a cutting mechanism is provided on one of the moving mechanisms; the problem that the cutting device cannot be used in conjunction with the digital printing machine and cannot cater to papers of different sizes is solved, but the following defects still exist:

[0005] Although the above-mentioned digital printing machine cutting device solves the problem that the cutting equipment cannot be used in conjunction with the digital printing machine and cannot cater to papers of different sizes, there is still the problem that during use, the cutting blade will become stuck due to long-term use and needs to be replaced, while the traditional digital printing machine cutting device cannot quickly replace the cutting blade, resulting in inconvenience in use. Utility Model Content

[0006] The utility model discloses a cutting device for a digital printing machine, which is used to solve relevant technical problems in the background technology.

[0007] The technical solution provided by the utility model is as follows: a cutting device of a digital printing machine, comprising a cutting placement panel, a cutting knife is arranged above the cutting placement panel, and the top end of the cutting knife is inserted into the interior of a mounting cavity and abuts against the outer side wall of a contact roller, the top end of the mounting cavity is connected to the bottom end of a connecting block, and a connecting frame is arranged above the connecting block, the top end of the cutting placement panel is movably connected to a limiting block, and a limiting frame is installed on the top end of the cutting placement panel.

[0008] In one embodiment, rotating wheels are installed at both ends of the abutting roller, and the rotating wheels are movably connected inside the rotating cavity, and the rotating cavity is symmetrically opened inside the two sides of the mounting frame.

[0009] In one embodiment, both side outer walls of the mounting frame are connected to the outer wall of the damping bearing, and the inner wall of the damping bearing is connected to one end of the rotating wheel through a connecting rod.

[0010] In one embodiment, connecting blocks are symmetrically mounted on both side outer walls of the mounting frame, and a connecting spring is mounted on one end of each connecting block, and the other end of the connecting spring is connected to the inner wall of the mounting cavity.

[0011] In one embodiment, a connecting sleeve rod is symmetrically installed at the top of the connecting block, and the top of the connecting sleeve rod is connected to the bottom end of the reset spring, the top of the reset spring is connected to the inner top of the connecting sleeve, and the connecting sleeve is symmetrically installed at the bottom end of the connecting frame.

[0012] In one embodiment, a pressing frame is movably connected to the top end of the connecting frame, and the bottom end of the pressing frame is connected to the top end of the connecting block.

[0013] In one embodiment, one end of the connecting frame and one end of the limit block are connected to the corresponding outer side walls of the guide slider, and grooves are provided at both ends of the guide slider, elastic sheets are installed inside the grooves, and a first interference block is evenly installed at one end of the elastic sheet, the outer side wall of the first interference block is in conflict with the outer side wall of the second interference block, and the second interference blocks are evenly installed at both ends of the guide sliding cavity, and the guide sliding cavity is symmetrically installed on the outer walls of both sides of the cutting and placement panel.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) The cutting device of the digital printing machine of the utility model is provided with a resistance roller, so that the cutting knife can be limited and fixed by being in contact with the cutting knife during use, and the resistance roller is subjected to the damping force generated by the damping bearing and the potential energy released by the connecting spring, so that the cutting knife can be firmly limited and fixed, which makes it easy to disassemble, assemble and maintain the cutting knife during use, so that the cutting knife always has a good cutting force during use, thereby improving the practicality and convenience of the device.

[0016] (2) The cutting device of the digital printing machine of the utility model is provided with a guide slider. In this way, during use, the connecting frame, the cutting knife and other components can be adjusted according to the use requirements through the movement of the guide slider, so as to adapt to different cutting tasks. The limit block can be adjusted so that the limit block cooperates with the limit frame to effectively limit the different cutting papers. After the guide slider is adjusted, it can limit itself, so that the device has no limitations during use and is simple to operate, thereby improving the practicality and convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the cutting device of the digital printing machine of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the combined parts of the cutting knife, the mounting cavity, the connecting block and the pressing frame in the utility model;

[0019] Figure 3 It is a schematic diagram of the internal parts structure of the installation cavity in the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the combined parts of the guide slider, the elastic sheet and the first abutment block in the utility model;

[0021] Figure 5 This utility model Figure 1 The A part in the figure is an enlarged schematic diagram of the parts structure.

[0022] The accompanying drawings are marked as follows: 1. cutting and placing panel; 2. cutting knife; 3. mounting cavity; 4. resistance roller; 5. rotating wheel; 6. rotating cavity; 7. mounting frame; 8. damping bearing; 9. connecting block; 10. connecting spring; 11. connecting block; 12. connecting sleeve rod; 13. reset spring; 14. connecting sleeve; 15. connecting frame; 16. pressing frame; 17. guide slider; 18. elastic sheet; 19. first resistance block; 20. second resistance block; 21. guide sliding cavity; 22. limit block; 23. limit frame. DETAILED DESCRIPTION

[0023] The present invention is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but are not intended to limit the present invention in any form. It should be noted that, for those of ordinary skill in the art, several changes and improvements can also be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0024] like Figures 1 to 5 As shown, the utility model provides a cutting device for a digital printing machine, including a cutting placement panel 1, a cutting knife 2 is arranged above the cutting placement panel 1, and the outer wall of the top end of the cutting knife 2 conflicts with the outer wall of the conflicting roller 4, the conflicting roller 4 is symmetrically arranged inside the mounting cavity 3, and both ends of the conflicting roller 4 are fixedly connected with a rotating wheel 5 movably connected inside the rotating cavity 6, the rotating cavity 6 is symmetrically opened inside the two sides of the mounting frame 7, and the other end of the rotating wheel 5 is fixedly connected to the inner wall of the damping bearing 8 through a connecting rod, and the damping bearing The outer wall of 8 is fixedly connected to the outer wall of the mounting frame 7, and the outer walls on both sides of the mounting frame 7 are symmetrically fixedly connected with connecting blocks 9, and one end of the connecting block 9 is fixedly connected to the connecting spring 10 fixedly connected to the inner wall of the mounting cavity 3, and the resistance roller 4 is set, so that during use, it can resist the cutting knife 2, thereby limiting and fixing the cutting knife 2, and the resistance roller 4 is subjected to the damping force generated by the damping bearing 8 and the potential energy released by the connecting spring 10, thereby stably limiting and fixing the cutting knife 2.

[0025] Specifically, the top of the mounting cavity 3 is fixedly connected with a connecting block 11, and the top of the connecting block 11 is symmetrically fixedly connected with a connecting sleeve rod 12, the top of the connecting sleeve rod 12 is connected to the bottom end of a reset spring 13 fixedly connected to the inner top of the connecting sleeve 14, and the reset spring 13 is set, so that when the cutting operation is carried out, the connecting sleeve rod 12 moves downward, and after the cutting is completed, the reset spring 13 is reset, driving the cutting knife 2 and other components to reset.

[0026] Furthermore, the top of the connecting sleeve 14 is fixedly connected to the top of the connecting frame 15, and the top of the connecting frame 15 is movably connected with a pressing frame 16, and the bottom end of the pressing frame 16 is fixedly connected to the top of the connecting block 11. Through the setting of the pressing frame 16, during use, by pressing the pressing frame 16, the cutting knife 2 and other components can be moved downward to complete the cutting operation.

[0027] Furthermore, the outer walls on both sides of the cutting and placing panel 1 are fixedly connected with a guide sliding cavity 21 with a "convex" structure, and the interior of the guide sliding cavity 21 is movably connected with a guide slider 17 with a "convex" structure, one of which is connected to one end of the connecting frame 15, and the other guide slider 17 is fixedly connected to a limit block 22, the limit block 22 is movably connected to the top of the cutting and placing panel 1, and the top of the cutting and placing panel 1 is fixedly connected with a limit frame 23 with an "L" shaped structure, through the set guide slider 17, in the process of use, the connecting frame 15 and the cutting knife 2 and other components can be movably adjusted through the movement of the guide slider 17 according to the use requirements, so as to adapt to different cutting tasks, and the limit block 22 can be adjusted, so that the limit block 22 cooperates with the limit frame 23 to limit different cutting papers well.

[0028] It is worth mentioning that grooves are provided at both ends of the guide sliding block 17, and elastic sheets 18 are fixedly connected inside the grooves, and one end of the elastic sheet 18 is evenly fixedly connected to a first interference block 19 with a semi-cylindrical structure. The outer wall of the first interference block 19 interferes with the outer wall of the second interference block 20 with a semi-cylindrical structure, and the second interference blocks 20 are evenly fixedly connected to the inner ends of the guide sliding cavity 21. The first interference block 19 interferes with the outer wall of the second interference block 20, so that the movable and adjusted guide sliding block 17 is self-limited, making the device more convenient and practical during use.

[0029] Principle and process of this utility model:

[0030] First, place the paper printed by the digital printing machine on the cutting placement panel 1 and make it contact with the corner of the limit frame 23, and then adjust the limit block 22 by moving it so that the limit block 22 cooperates with the limit frame 23 to limit the different cut papers well. Secondly, through the set guide slider 17, the connecting frame 15, the cutting knife 2 and other components can be adjusted according to the use requirements during use. At the same time, the first contact block 19 contacts the outer wall of the second contact block 20, so that the guide slider 17 after the active adjustment is self-limited. Then, through the set pressing frame 16, when using During the process, by pressing the pressing frame 16, the cutting knife 2 and other parts move downward to complete the cutting operation, and through the reset spring 13, when the cutting operation is carried out, the connecting sleeve rod 12 moves downward, and after the cutting is completed, the reset spring 13 is reset, driving the cutting knife 2 and other parts to reset, and finally, through the set resistance roller 4, the cutting knife 2 can be restrained and fixed during use by resisting with the cutting knife 2, and the resistance roller 4 is subjected to the damping force generated by the damping bearing 8 and the potential energy released by the connecting spring 10, so that the cutting knife 2 can be stably limited and fixed, and thus a cutting device of a digital printing machine is completed.

[0031] In this application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the utility model and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0032] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cutting device for a digital printing press, comprising a cutting placement panel (1), characterized in that: A cutting knife (2) is arranged above the cutting and placing panel (1), and the top end of the cutting knife (2) is inserted into the interior of the installation cavity (3) and contacts the outer wall of the contact roller (4); the top end of the installation cavity (3) is connected to the bottom end of the connecting block (11), and a connecting frame (15) is arranged above the connecting block (11); the top end of the cutting and placing panel (1) is movably connected to the limiting block (22), and the top end of the cutting and placing panel (1) is installed with a limiting frame (23); Rotating wheels (5) are installed at both ends of the abutting roller (4), and the rotating wheels (5) are movably connected inside a rotating cavity (6), and the rotating cavity (6) is symmetrically opened inside two sides of the mounting frame (7); The outer side walls of both sides of the mounting frame (7) are connected to the outer side wall of the damping bearing (8), and the inner side wall of the damping bearing (8) is connected to one end of the rotating wheel (5) via a connecting rod; One end of the connecting frame (15) and one end of the limit block (22) are connected to the outer side wall of the corresponding guide slide block (17), and grooves are provided at both ends of the guide slide block (17). Elastic sheets (18) are installed inside the grooves, and a first abutment block (19) is evenly installed at one end of the elastic sheet (18). The outer side wall of the first abutment block (19) abuts against the outer side wall of the second abutment block (20), and the second abutment block (20) is evenly installed at both ends of the inner side of the guide slide cavity (21), and the guide slide cavity (21) is symmetrically installed on the outer side walls of the cutting and placing panel (1).

2. The cutting device of the digital printing press according to claim 1, characterized in that: Connecting blocks (9) are symmetrically mounted on both side outer walls of the mounting frame (7), and a connecting spring (10) is mounted on one end of each connecting block (9), the other end of the connecting spring (10) being connected to the inner side wall of the mounting cavity (3).

3. The cutting device of the digital printing press according to claim 1, characterized in that: A connecting sleeve rod (12) is symmetrically mounted on the top end of the connecting block (11), and the top end of the connecting sleeve rod (12) is connected to the bottom end of a return spring (13), and the top end of the return spring (13) is connected to the inner top end of a connecting sleeve (14), and the connecting sleeve (14) is symmetrically mounted on the bottom end of the connecting frame (15).

4. The cutting device of the digital printing press according to claim 3, characterized in that: The top end of the connecting frame (15) is penetrated and movably connected with a pressing frame (16), and the bottom end of the pressing frame (16) is connected to the top end of the connecting block (11).

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