Adaptive indentation device for printing machine of printed product

Abstract

The utility model discloses a printed product printing on-machine adaptive creasing device which comprises a creasing device body, a pressing roller is arranged in the middle of the creasing device body, a conveying belt is arranged on the lower side of the pressing roller, the pressing roller comprises a machine frame, rotating discs are rotationally connected to the front side and the rear side in the machine frame, and a cutter set is slidably connected between the rotating discs. The front end and the rear end of the cutter set are rotationally connected with sliding blocks, the sliding blocks are connected into the sliding grooves in a sliding mode, the cutter set is composed of a middle frame and blades arranged on the circumference of the outer side of the middle frame, and the cutting edge sections of the different blades are different. An indentation experiment is carried out through the pressing roller and the conveying belt, when the indentation height is adjusted, the sliding blocks are driven to move and the radial position is adjusted by rotating the side disc and the guide strip, when the blade needs to be adjusted, the positioning bolt is twisted out, the middle frame is rotated, then the cutting edge of the blade is changed, after adjustment is completed, the positioning bolt is inserted into the positioning groove, replacement of the blade is completed, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of printing devices, in particular to an adaptive indentation device for printing products. Background Art

[0002] Generally, corrugated cardboard has a large area during production and processing. When in use, it is often necessary to cut the entire corrugated cardboard into several small pieces. At present, when cutting the entire corrugated cardboard, in order to ensure the cutting accuracy, the corrugated cardboard needs to be indented before cutting, that is, several criss-crossing lines are pressed on the corrugated cardboard. This method greatly improves the cutting accuracy and efficiency of the corrugated cardboard. During research and development, it is necessary to conduct an indentation experiment on the cardboard to find the most suitable indentation depth.

[0003] A Chinese patent discloses an automatic high-speed die-cutting and creasing machine for corrugated cardboard (authorization announcement number CN112793229 A). The patented technology can realize longitudinal and transverse creasing on corrugated cardboard. The position of the creasing can be adjusted according to processing needs through the first and second bottom plates, and has high adaptability. However, the creasing depth cannot be adjusted, which is not conducive to the selection and adjustment of the creasing before the machine is put on. Therefore, the utility model provides an adaptive creasing device for printing products on the printing machine to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide an adaptive creasing device for printing products on a printing machine, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A printing product printing machine adaptive creasing device, comprising a creasing device, a creasing roller is arranged in the middle of the creasing device, a conveyor belt is arranged at the lower side of the creasing roller, the creasing roller comprises a frame, a rotating disk is rotatably connected to the front and rear sides of the frame, a knife group is slidably connected between the rotating disks, a slider is rotatably connected to the front and rear ends of the knife group, the slider is slidably connected in a slide groove, a side of the slider away from the knife group is provided with a plurality of arc guide grooves, a guide bar is slidably connected in the guide groove, the guide bar is fixed on a side disk, and the side disk is rotatably connected in the rotating disk;

[0007] An operating window is provided on the corresponding side plate of the frame for easy operation. The knife group consists of an intermediate frame and blades arranged on the outer circumference. The cutting edges of different blades have different cross-sections, which are B-type, V-type, semicircular, isosceles trapezoidal or other cross-sections. Positioning grooves are provided on both ends of the blades, and positioning bolts are provided on the rotating disk corresponding to the positioning grooves to fix the position of the blades.

[0008] Preferably, the guide bars are arranged in a circle and are composed of two arc-shaped bars that are parallel to each other, restricting the position of the slider and enabling it to move radially.

[0009] Preferably, a force-receiving groove is provided on the outer side of the side plate.

[0010] Preferably, an indicating arrow is provided on the side plate, and an indicating marking line is provided on the operation window for indicating the current position of the side plate.

[0011] Preferably, adjustment slot holes are provided on the blade, and the blade is fixed to the middle frame after a screw passes through the adjustment slot holes.

[0012] Preferably, anti-slip threads are provided at the end of the positioning bolt and the bottom of the positioning groove to improve the stability after installation.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. When adjusting the shape and height of different indentations in the present utility model, an adaptability experiment is carried out on the cardboard. When conducting the indentation experiment through the pressure roller and the conveyor belt, when adjusting the indentation height, the side plate is rotated, and the guide bar drives the slider to move to adjust the radial position.

[0015] 2. When the blade needs to be adjusted, the positioning bolt is unscrewed, the middle frame is rotated, and thus the blade edge is changed. After adjustment, the positioning bolt is inserted into the positioning groove to complete the replacement of the blade, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of an indentation device for the adaptability of a printing product to the printing machine.

[0017] Figure 2 It is a schematic structural diagram of the pressure roller in an indentation device for the adaptability of a printing product to the printing machine.

[0018] Figure 3 It is a schematic cross-sectional structural diagram of the slider in an indentation device for the adaptability of a printing product to the printing machine.

[0019] Figure 4 It is a schematic structural diagram of the side plate in an indentation device for the adaptability of a printing product to the printing machine.

[0020] In the figure: 1. Indentation device; 2. Conveyor belt; 3. Pressure roller; 4. Operation window; 5. Rotary disk; 6. Side plate; 61. Guide bar; 62. Guide groove; 7. Knife group; 8. Slider; 9. Slide groove; 10. Blade;

[0021] 11. Adjustment slot hole; 12. Positioning bolt; 13. Positioning groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1 to 4 , in the embodiment of the present utility model, an indentation device for the adaptability of a printed product to be printed on a printing machine includes an indentation device 1. A pressure roller 3 is provided in the middle of the indentation device 1. A conveyor belt 2 is provided below the pressure roller 3. The pressure roller 3 includes a frame. Rotating disks 5 are rotatably connected to the front and rear sides inside the frame. A cutter group 7 is slidably connected between the rotating disks 5. The front and rear ends of the cutter group 7 are rotatably connected to sliders 8. The sliders 8 are slidably connected in chutes 9. A number of arc-shaped guide grooves 62 are provided on the side of the sliders 8 away from the cutter group 7. A guide bar 61 is slidably connected in the guide grooves 62. The guide bar 61 is fixed on a side disk 6. The side disk 6 is rotatably connected inside the rotating disk 5;

[0024] The guide bar 61 is arranged in a circle and is composed of two parallel arc-shaped bars, which restricts the position of the slider 8 and makes it move radially. A force-receiving groove is provided on the outer side of the side disk 6. An operation window 4 is provided on the frame corresponding to the side disk 6 for convenient operation. An indicating arrow is provided on the side disk 6, and an indicating scale line is provided on the operation window 4 to indicate the current position of the side disk 6. The cutter group 7 is composed of an intermediate frame and blades 10 arranged circumferentially on the outside. The cross-sections of the edges of different blades 10 are different, including B-shaped, V-shaped, semi-circular, isosceles trapezoidal or other cross-sections. Adjustment slot holes 11 are provided on the blades 10. After the screws pass through the adjustment slot holes 11, the blades 10 are fixed on the intermediate frame. Positioning slots 13 are provided at both the left and right ends of the blades 10. The rotating disk 5 is provided with positioning bolts 12 corresponding to the positioning slots 13 to fix the positions of the blades 10. Anti-slip lines are provided at the ends of the positioning bolts 12 and the bottoms of the positioning slots 13 to improve the stability after installation.

[0025] The working principle of the present utility model is as follows: When in use, when adjusting the shape and height of different indentations, an adaptability experiment is carried out on the cardboard. An indentation experiment is carried out through the pressure roller 3 and the conveyor belt 2. When adjusting the indentation height, by rotating the side disk 6, the guide bar 61 drives the slider 8 to move to adjust the radial position.

[0026] When the blade 10 needs to be adjusted, the positioning bolt 12 is unscrewed, the intermediate frame is rotated, and thus the edge of the blade 10 is changed. After adjustment, the positioning bolt 12 is inserted into the positioning slot 13 to complete the replacement of the blade 10, which is convenient to use.

[0027] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and inventive concept of the present utility model, making equivalent substitutions or changes, shall be covered by the protection scope of the present utility model.

Claims

1. An indentation device for the printing adaptability of a printing product on a printing machine, comprising an indentation device (1), a pressing roller (3) is arranged in the middle of the indentation device (1), and a conveyor belt (2) is arranged below the pressing roller (3), characterized in that, The pressure roller (3) includes a frame. Inside the frame, rotary disks (5) are rotatably connected to the front and rear sides. A cutter group (7) is slidably connected between the rotary disks (5). The front and rear ends of the cutter group (7) are rotatably connected to sliders (8). The sliders (8) are slidably connected in sliding grooves (9). On the side of the slider (8) away from the cutter group (7), a number of arc-shaped guide grooves (62) are provided. A guide bar (61) is slidably connected in the guide groove (62). The guide bar (61) is fixed on a side disk (6). The side disk (6) is rotatably connected inside the rotary disk (5). An operation window (4) is provided on the frame corresponding to the side disk (6) for convenient operation. The cutter group (7) is composed of an intermediate frame and blades (10) arranged circumferentially on the outside. The cross-sections of the edges of different blades (10) are different. Positioning grooves (13) are provided at both the left and right ends of the blade (10). Positioning bolts (12) are provided on the rotary disk (5) corresponding to the positioning grooves (13).

2. The adaptable indentation device for printing products on a printing machine according to claim 1, characterized in that The guide bar (61) is arranged in a circle and is composed of two parallel arc-shaped bars.

3. The adaptable indentation device for printing on a printing machine according to claim 1, wherein A force-receiving groove is provided on the outside of the side disk (6).

4. A printing product printing on-machine adaptability indentation device according to claim 1, characterized in that, An indicating arrow is provided on the side disk (6), and an indicating marking line is provided on the operation window (4).

5. A printing product printing adaptation indentation device according to claim 1, characterized in that, Adjustment slot holes (11) are provided on the blade (10). After a screw passes through the adjustment slot holes (11), the blade (10) is fixed on the intermediate frame.

6. The adaptable indentation device for printing products on a printing machine according to claim 1, characterized in that, Anti-slip threads are provided at the end of the positioning bolt (12) and the bottom of the positioning groove (13).

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