Protective device for wind-up roller of digital printing machine

Abstract

The utility model discloses a digital printer wind-up roll protection device, which relates to the technical field of wind-up roll protection, and comprises a shell, a wind-up roll is rotatably connected in the shell, two fixing plates are detachably connected on the side wall of the shell, printing paper is wound on the inner side of the wind-up roll, a recovery box is arranged between the two fixing plates, and the recovery box is provided with a wind-up roll. A sliding plate is slidably connected to the inner wall of the upper end of the recycling box, the fixed end of an electric telescopic rod is fixedly connected to the inner wall of the front end of the recycling box, the telescopic end of the electric telescopic rod is fixedly connected to the front end face of the sliding plate, and a motor is fixedly arranged in the sliding plate; and an output shaft of the motor penetrates through the side wall of the lower end of the sliding plate and is fixedly connected with a brush, and the length of the brush is consistent with the length, located in the recycling box, of the printing paper. And the problem that impurities can be blown into the recycling box by sprayed gas for a long time is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of winding roller protection, in particular to a winding roller protection device for a digital printing machine. Background Art

[0002] The digital printing press reel guard is a device used to protect the reel of a digital printing press. A digital printing press is a device used to print digital images, in which the reel is used to roll up printed materials. In order to protect the reel from damage or accidents, the reel guard is designed to provide safety protection.

[0003] A Chinese utility model with publication number CN218088089U proposes a protective device for a winding roller of a color digital printing machine: a cleaning brush is arranged in the device, and the winding roller winds the printing paper into the shell. When the printing paper passes through the guide wheel assembly, the bristle end of the cleaning brush cleans the printing end of the moving printing paper, so that impurities attached to the printing end of the printing paper are retained on the left side of the cleaning brush. The gas drawn in by the pump is injected into the jet plate through the three-way valve and the connecting pipe. The jet plate sprays gas to promote the impurities retained between the printing paper and the cleaning brush to enter the recovery box.

[0004] However, the above-mentioned practical method still has some shortcomings: if there are many impurities trapped on the left side of the cleaning brush, it may take a long time for the ejected gas to blow the impurities into the recovery box. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a winding roller protection device for a digital printing machine, which solves the problem in the prior art that if there are a lot of impurities trapped on the left side of the cleaning brush, it may take a long time for the ejected gas to blow the impurities into the recovery box.

[0006] To achieve the above-mentioned purpose, the utility model proposes a winding roller protection device for a digital printing machine, comprising: a shell, a winding roller is rotatably connected inside the shell, two fixed plates are detachably connected to the side wall of the shell, printing paper is rolled up on the inner side of the winding roller, a recycling box is arranged between the two fixed plates, a slide plate is slidably connected to the upper inner wall of the recycling box, a fixed end of an electric telescopic rod is fixedly connected to the front inner wall of the recycling box, the telescopic end of the electric telescopic rod is fixedly connected to the front end surface of the slide plate, a motor is fixedly arranged inside the slide plate, the output shaft of the motor passes through the lower end side wall of the slide plate and is fixedly connected to a brush, and the length of the brush is consistent with the length of the printing paper inside the recycling box.

[0007] As a further solution of the utility model: a side plate is fixedly connected between the two fixed plates and near one end, an opening is opened on the side wall of the shell, the printing paper passes through the opening and enters between the two fixed plates, and the printing paper passes through the side plate.

[0008] As a further solution of the utility model: a guide wheel device is arranged inside the side plate and the shell.

[0009] As a further solution of the utility model: the printing paper can pass through the recycling box, and the interior of the slide plate is hollow.

[0010] As a further solution of the utility model: the width of the brush is equal to the width of the slide plate.

[0011] As a further solution of the utility model: an air pump is fixedly arranged inside the shell, and an air suction end of the air pump is fixedly connected to an air suction pipe, and the air suction pipe passes through the side wall of the shell and is connected with the outside, and an exhaust end of the air pump is fixedly connected to a three-way valve, and the upper end of the three-way valve is connected to a first connecting pipe, and the side end of the three-way valve is connected to a second connecting pipe, and the other end of the first connecting pipe passes through the upper end of the shell and the upper end of the recovery box and extends into the interior of the recovery box, and a number of fixing holes are opened at the end of the first connecting pipe, and a fixing frame is fixedly arranged inside the shell, and the fixing frame is connected to the second connecting pipe.

[0012] As a further solution of the utility model: a slider is slidably connected inside the fixed frame, a connecting rod is fixedly connected to one side of the slider, one end of the connecting rod passes through one side of the fixed frame, a spring is wound around the outside of the connecting rod, one end of the spring is fixedly connected to the slider, and the other end of the spring is fixedly connected to the side wall of the fixed frame, the bottom of the fixed frame is connected to a third connecting pipe, and the end of the third connecting pipe is connected to a heat sink.

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

[0014] When it is necessary to clean the impurities, start the motor, and the output shaft of the motor drives the brush to rotate 90° so that the brush can completely contact the printing paper within the range of the recycling box, start the electric telescopic rod, and the telescopic end of the electric telescopic rod drives the slide plate and the brush to move back and forth as a whole, pushing the magazine to the bottom of the recycling box, and then start the air pump, and the air pump draws in external air through the exhaust pipe. Then, the air pump draws in air through the three-way valve into the first connecting pipe, and the air is discharged from the fixed hole to blow the impurities remaining on the upper end of the printing paper into the bottom of the recycling box. First, the accumulated impurities are pushed to the bottom of the recycling box with a brush, and then the ejected gas blows the impurities into the recycling box, saving time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is an enlarged view of part A of the utility model;

[0017] Figure 3 It is a partial structural schematic diagram of the utility model;

[0018] Figure 4 This is a schematic structural diagram of the brush of the utility model rotated 90 degrees.

[0019] In the figure: 1. Shell; 2. Winding roller; 3. Heat sink; 4. Exhaust pipe; 5. Air pump; 6. Three-way valve; 7. First connecting pipe; 8. Fixed plate; 9. Recovery box; 10. Side plate; 11. Fixed hole; 12. Slide plate; 13. Motor; 14. Brush; 15. Fixed frame; 16. Spring; 17. Slider; 18. Third connecting pipe; 19. Second connecting pipe; 20. Connecting rod. DETAILED DESCRIPTION

[0020] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figure 1-4 As shown, a winding roller protection device for a digital printing machine includes: a shell 1, a winding roller 2 is rotatably connected inside the shell 1, two fixed plates 8 are detachably connected to the side wall of the shell 1, and a side plate 10 is fixedly connected between the two fixed plates 8 and near one end.

[0022] The inner side of the winding roller 2 is rolled up with printing paper, and the side wall of the housing 1 is provided with an opening, through which the printing paper passes and enters between the two fixing plates 8 , and then passes through the side plate 10 .

[0023] The side plate 10 and the housing 1 are provided with guide wheel devices inside, and the guide wheel devices are used to guide the movement of the printing paper.

[0024] A recycling box 9 is arranged between the two fixed plates 8, and the printing paper can pass through the recycling box 9. The upper inner wall of the recycling box 9 is slidably connected with a slide plate 12, and the interior of the slide plate 12 is hollow. The front inner wall of the recycling box 9 is fixedly connected with the fixed end of an electric telescopic rod (not shown in the figure), and the telescopic end of the electric telescopic rod is fixedly connected to the front end surface of the slide plate 12.

[0025] A motor 13 is fixedly installed inside the skateboard 12, and the output shaft of the motor 13 passes through the lower end side wall of the skateboard 12 and is fixedly connected to a brush 14. The width of the brush 14 is equal to the width of the skateboard 12, and the length of the brush 14 is consistent with the length of the printing paper inside the recycling box 9, so that the brush 14 can completely push the magazine out from the upper surface of the printing paper.

[0026] An air pump 5 is fixedly installed inside the shell 1, and the air suction end of the air pump 5 is fixedly connected to an air suction pipe 4, and the air suction pipe 4 passes through the side wall of the shell 1 and is connected to the outside. The exhaust end of the air pump 5 is fixedly connected to a three-way valve 6, and the upper end of the three-way valve 6 is connected to a first connecting pipe 7, and the side end of the three-way valve 6 is connected to a second connecting pipe 19.

[0027] The other end of the first connecting pipe 7 passes through the upper end of the shell 1 and the upper end of the recovery box 9 and extends into the interior of the recovery box 9 . A plurality of fixing holes 11 are formed at the end of the first connecting pipe 7 .

[0028] The air pump 5 is started, and the air pump 5 draws in external gas through the air extraction pipe 4 , and then the gas drawn in by the air pump 5 enters the first connecting pipe 7 through the three-way valve 6 .

[0029] A fixing frame 15 is fixedly provided inside the shell 1, and the fixing frame 15 is connected to the second connecting pipe 19. A slider 17 is slidably connected inside the fixing frame 15, and a connecting rod 20 is fixedly connected to one side of the slider 17. One end of the connecting rod 20 passes through one side of the fixing frame 15. A spring 16 is wound around the outside of the connecting rod 20, and one end of the spring 16 is fixedly connected to the slider 17, and the other end of the spring 16 is fixedly connected to the side wall of the fixing frame 15.

[0030] The bottom of the fixing frame 15 is connected to a third connecting pipe 18 , and the end of the third connecting pipe 18 is connected to the heat dissipation plate 3 .

[0031] Working principle:

[0032] The digital printing machine is started, and the digital printing machine prints the printing paper, driving the reel 2 to rotate, and the reel 2 reels the printing paper into the housing 1. When the printing paper passes through the guide wheel device, the brush 14 cleans the moving printing paper, so that the impurities attached to the printing paper are retained on the left side of the brush 14. When the impurities need to be cleaned, the motor 13 is started, and the output shaft of the motor 13 drives the brush 14 to rotate 90 degrees, so that the brush 14 can completely contact the printing paper within the range of the recycling box 9. Figure 4As shown, the electric telescopic rod is started, and the telescopic end of the electric telescopic rod drives the slide plate 12 and the brush 14 to move back and forth as a whole, pushing the magazine to the bottom of the recycling box 9, and then the air pump 5 is started, and the air pump 5 draws in the outside air through the exhaust pipe 4, and then the air pump 5 draws the air into the first connecting pipe 7 through the three-way valve 6, and the air is discharged from the fixed hole 11, and the impurities remaining on the upper end of the printing paper are blown into the bottom of the recycling box 9.

[0033] The above embodiments are only used to illustrate the technical method of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical method of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the utility model.

Claims

1. A winding roller protection device for a digital printing machine, characterized in that: include: A shell (1), wherein a winding roller (2) is rotatably connected inside the shell (1), two fixed plates (8) are detachably connected to the side wall of the shell (1), printing paper is rolled up inside the winding roller (2), a recycling box (9) is arranged between the two fixed plates (8), the upper inner wall of the recycling box (9) is slidably connected to a slide plate (12), the front inner wall of the recycling box (9) is fixedly connected to the fixed end of an electric telescopic rod, the telescopic end of the electric telescopic rod is fixedly connected to the front end surface of the slide plate (12), a motor (13) is fixedly arranged inside the slide plate (12), the output shaft of the motor (13) passes through the lower side wall of the slide plate (12) and is fixedly connected to a brush (14), the length of the brush (14) is consistent with the length of the printing paper inside the recycling box (9).

2. A digital printing machine winding roller protection device according to claim 1, characterized in that: A side plate (10) is fixedly connected between the two fixed plates (8) and close to one end, and an opening is provided on the side wall of the shell (1). The printing paper passes through the opening and enters between the two fixed plates (8), and the printing paper passes through the side plate (10).

3. A digital printing machine winding roller protection device according to claim 2, characterized in that: A guide wheel device is arranged inside the side plate (10) and the housing (1).

4. A digital printing machine winding roller protection device according to claim 1, characterized in that: The printing paper can pass through the recycling box (9), and the interior of the slide plate (12) is hollow.

5. The winding roller protection device of a digital printing machine according to claim 1, characterized in that: The width of the brush (14) is equal to the width of the slide plate (12).

6. A digital printing machine winding roller protection device according to claim 1, characterized in that: An air pump (5) is fixedly arranged inside the shell (1), and an air suction end of the air pump (5) is fixedly connected to an air suction pipe (4), and the air suction pipe (4) passes through the side wall of the shell (1) and is connected to the outside. The exhaust end of the air pump (5) is fixedly connected to a three-way valve (6), and the upper end of the three-way valve (6) is connected to a first connecting pipe (7), and the side end of the three-way valve (6) is connected to a second connecting pipe (19). The other end of the first connecting pipe (7) passes through the upper end of the shell (1) and the upper end of the recovery box (9) and extends into the interior of the recovery box (9). A plurality of fixing holes (11) are provided at the end of the first connecting pipe (7). A fixing frame (15) is fixedly arranged inside the shell (1), and the fixing frame (15) is connected to the second connecting pipe (19).

7. A winding roller protection device for a digital printing press according to claim 6, characterized in that: The interior of the fixed frame (15) is slidably connected to a slider (17), one side of the slider (17) is fixedly connected to a connecting rod (20), one end of the connecting rod (20) passes through one side of the fixed frame (15), a spring (16) is wound around the outside of the connecting rod (20), one end of the spring (16) is fixedly connected to the slider (17), and the other end of the spring (16) is fixedly connected to the side wall of the fixed frame (15), the bottom of the fixed frame (15) is connected to a third connecting pipe (18), and the end of the third connecting pipe (18) is connected to a heat sink (3).

Images