Dust removal device for printing machine

Abstract

The dust removal device for the printing machine comprises a bottom plate, a first brush roller and a second brush roller are arranged on the upper surface of the bottom plate, an adjusting structure is arranged on the surface of the bottom plate, and the adjusting structure is provided with a supporting rod to adjust the height of the second brush roller so that printed materials can penetrate through the supporting rod conveniently. According to the dust removal device for the printing machine, the first brush roller and the second brush roller are arranged in parallel up and down, the height of the first brush roller is fixed, the height of the second brush roller can be adjusted through a supporting rod, and the first gear and the second gear are arranged on the surfaces of rotating shafts of the first brush roller and the second brush roller correspondingly, so that the first brush roller and the second brush roller keep rotating; the upper surface and the lower surface of the printing stock are cleaned, and the printing stock can rapidly penetrate through the second brush roller with the adjustable height.

Description

Technical Field

[0001] The utility model relates to the technical field of printing machines, and specifically relates to a dust removal device for a printing machine. Background Technique

[0002] A printing machine refers to a machine for printing characters and images. Modern printing machines generally consist of mechanisms such as plate loading, inking, impression, and paper feeding. First, the characters and images to be printed are made into printing plates and installed on the printing machine. Then, ink is applied to the areas with characters and images on the printing plate manually or by the printing machine, and then directly or indirectly transferred to paper or other printing substrates, thereby replicating the same printed matter as the printing plate. However, during the printing process, the printing quality often decreases due to the presence of dust and debris on the surface of the printing substrate.

[0003] Currently, the printing machines usually set up a single row of brushes to remove dust from the printing substrate. However, after long-term use, dust accumulates on the surface of the brushes and needs to be cleaned and maintained regularly. The single row of brushes can only clean one side of the printing substrate, and the brushes connected to the printing machine are not easy to disassemble during maintenance, which affects the cleaning efficiency of the brushes. Content of the Utility Model

[0004] The purpose of the utility model is to provide a dust removal device for a printing machine. The device is provided with brush rollers on the upper and lower sides, and the brush rollers are used to clean both sides of the printing substrate, and the brush rollers are set as a detachable structure to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A dust removal device for a printing machine, including a bottom plate. On the upper surface of the bottom plate, there are brush roller one and brush roller two. An adjusting structure is arranged on the surface of the bottom plate. The adjusting structure sets a support rod to adjust the height of brush roller two, which is convenient for the printing substrate to pass through.

[0006] Preferably, the adjusting structure includes a support rod. The support rod is of a two-section structure. The lower half of the support rod is an external threaded rod, and the upper half of the support rod is a round rod connected by threads. The lower end of the support rod is fixed on the upper surface of the bottom plate, and the upper end of the support rod is rotatably connected to the lower surface of the support block. The support block is a surface through-hole structure. One end of the rotating shaft of brush roller two is rotatably arranged in the through-hole of the support block. Below brush roller two, there is brush roller one. One end of brush roller one is rotatably installed on the upper surface of the bottom plate through a bracket.

[0007] By adopting the above technical solution, the height of the support block can be adjusted by using the support rod, thereby adjusting the height of brush roller two.

[0008] Preferably, a disassembly structure is arranged at the other ends of brush roller one and brush roller two. The disassembly structure sets support plate one and support plate two to facilitate the disassembly of brush roller one and brush roller two.

[0009] With the above technical solution, the disassembly structure can be used to quickly disassemble the first brush roller and the second brush roller.

[0010] Preferably, the disassembly structure includes a first support plate, the first support plate is slidably connected to the upper surface of the bottom plate, a circular through hole is provided on the surface of the first support plate, the other end of the first brush roller penetrates through the circular through hole on the surface of the first support plate, a second support plate is slidably connected to the upper surface of the bottom plate, a circular through hole is provided on the surface of the second support plate, the rotating shaft of the other end of the second brush roller penetrates through the circular through hole on the surface of the second support plate, and the second support plate is a telescopic structure. A cross-shaped chute is provided on the upper surface of the bottom plate for the first support plate and the second support plate to slide, and a clamping block is slidably arranged on the side surfaces of the first support plate and the second support plate, and corresponding clamping grooves are provided on the surface of the bottom plate.

[0011] With the above technical solution, the first brush roller and the second brush roller can be quickly disassembled by sliding the first support plate and the second support plate.

[0012] Preferably, the bottom plate is a hollow structure, a motor is fixedly arranged inside the bottom plate, a first gear is arranged on the surface of the rotating shaft of the first brush roller, the first gear is connected to the output end of the motor through a transmission chain, a second gear is arranged on the surface of the rotating shaft of the second brush roller, the first gear and the second gear are aligned, and two pressure rollers are symmetrically arranged on the upper surface of the bottom plate, and the pressure rollers are rotatably installed on the upper surface of the bottom plate.

[0013] With the above technical solution, the first brush roller and the second brush roller can be driven to rotate by the first gear and the second gear.

[0014] Preferably, a heightening structure is arranged on the lower surface of the bottom plate, and the heightening structure is provided with support columns to adjust the height of the bottom plate.

[0015] With the above technical solution, the bottom plate can be driven to rise by the heightening structure.

[0016] Preferably, the heightening structure includes support columns, the support columns are telescopic structures, the 4 support columns are respectively arranged at the four corners of the lower surface of the bottom plate, a base is arranged on the outer surface of the support columns, and a cylinder is arranged on the upper surface of the base, and the output end of the cylinder is connected to the lower surface of the bottom plate.

[0017] With the above technical solution, the bottom plate can be driven to rise by the cylinder.

[0018] Compared with the prior art, the beneficial effects of the present utility model are: the dust removal device for the printing machine:

[0019] 1. The device is provided with a first brush roller and a second brush roller. The first brush roller and the second brush roller are arranged parallel to each other vertically. The height of the first brush roller is fixed, and the height of the second brush roller can be adjusted by using a support rod. Gear one and gear two are respectively arranged on the rotating shaft surfaces of the first brush roller and the second brush roller, so that the first brush roller and the second brush roller keep rotating to clean the upper and lower surfaces of the printing substrate. The printing substrate can pass through quickly by using the second brush roller with adjustable height.

[0020] 2. One end of the rotating shafts of the first brush roller and the second brush roller of the device is supported by a first support plate and a second support plate. The first support plate and the second support plate are slidably connected to the bottom plate and fixed by using a clamping block. By using the slidable first support plate and second support plate, one end of the first brush roller and the second brush roller can be exposed, which is convenient for disassembling and cleaning the first brush roller and the second brush roller.

[0021] 3. Telescopic support columns are arranged on the lower surface of the bottom plate of the device, and a cylinder is connected to the bottom plate. The cylinder can drive the bottom plate to rise, thereby driving the first brush roller and the second brush roller to rise, so that the device can adapt to printing machines with different heights. Brief Description of the Drawings

[0022] Figure 1 It is a front view structural schematic diagram of the present utility model;

[0023] Figure 2 It is a rear view structural schematic diagram of the present utility model;

[0024] Figure 3 It is a sectional view structural schematic diagram of the bottom plate of the present utility model;

[0025] Figure 4 It is a structural schematic diagram of the first brush roller and the second brush roller of the present utility model;

[0026] Figure 5 It is a structural schematic diagram of the first support plate and the second support plate of the present utility model.

[0027] In the figure: 1. Bottom plate; 2. First brush roller; 3. Second brush roller; 4. Support rod; 5. Support block; 6. First support plate; 7. Second support plate; 8. Gear one; 9. Gear two; 10. Motor; 11. Pressure roller; 12. Support column; 13. Base; 14. Cylinder. Detailed Description of the Embodiment

[0028] 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 making creative efforts shall fall within the protection scope of the present utility model.

[0029] Please refer to Figures 1-5, the present utility model provides a technical solution: a dust removal device for a printing press, including a bottom plate 1, a first brush roller 2, a second brush roller 3, a support rod 4, a support block 5, a first support plate 6, a second support plate 7, a first gear 8, a second gear 9, a motor 10, a pressure roller 11, a support column 12, a base 13, and a cylinder 14.

[0030] This device has the effect of double-sided dust removal, specifically:

[0031] On the upper surface of the bottom plate 1, there are a first brush roller 2 and a second brush roller 3. An adjustment structure is arranged on the surface of the bottom plate 1. The adjustment structure is provided with a support rod 4 to adjust the height of the second brush roller 3 for facilitating the passing of the printing substrate. The adjustment structure includes the support rod 4. The support rod 4 is of a two-section structure. The lower half of the support rod 4 is an external threaded rod, and the upper half of the support rod 4 is a round rod connected by threads. The lower end of the support rod 4 is fixed on the upper surface of the bottom plate 1, and the upper end of the support rod 4 is rotatably connected to the lower surface of the support block 5. The support block 5 is a surface through-hole structure. One end of the rotating shaft of the second brush roller 3 is rotatably arranged in the through-hole of the support block 5. Below the second brush roller 3, there is a first brush roller 2. One end of the first brush roller 2 is rotatably installed on the upper surface of the bottom plate 1 through a bracket. The bottom plate 1 is a hollow structure. Inside the bottom plate 1, a motor 10 is fixedly arranged. On the surface of the rotating shaft of the first brush roller 2, there is a first gear 8. The first gear 8 is connected to the output end of the motor 10 through a transmission chain. On the surface of the rotating shaft of the second brush roller 3, there is a second gear 9. The first gear 8 and the second gear 9 are aligned. On the upper surface of the bottom plate 1, two pressure rollers 11 are symmetrically arranged. The pressure rollers 11 are rotatably installed on the upper surface of the bottom plate 1;

[0032] As Figure 1 , Figure 3 and Figure 4 shown, when using this device to dust the printing substrate of the printing press, hold the upper half of the support rod 4 and rotate it to make the support rod 4 extend. The support rod 4 drives the support block 5 to rise, thereby driving the upper second brush roller 3 to lift and increasing the distance between the second brush roller 3 and the first brush roller 2. Pass the printing substrate such as cloth through under one side of the pressure roller 11, then continue to pass through between the second brush roller 3 and the first brush roller 2, and pass through under the pressure roller 11 on the other side and then connect it to the printing press. Hold the upper half of the support rod 4 and rotate it in the reverse direction to make the support rod 4 shorten. The support rod 4 drives the support block 5 to descend, and the support block 5 drives the second brush roller 3 to descend. When the second gear 9 on the surface of the rotating shaft of the second brush roller 3 meshes with the first gear 8, stop rotating the support rod 4, start the motor 10. The motor 10 drives the first gear 8 to rotate, and the first gear 8 drives the second gear 9 to rotate, so that the first brush roller 2 and the second brush roller 3 rotate to clean the printing substrate on both sides.

[0033] The other ends of the first brush roller 2 and the second brush roller 3 are provided with a disassembly structure. The disassembly structure is provided with a first support plate 6 and a second support plate 7 to facilitate the disassembly of the first brush roller 2 and the second brush roller 3. The disassembly structure includes a first support plate 6. The first support plate 6 is slidably connected to the upper surface of the bottom plate 1. A circular through-hole is provided on the surface of the first support plate 6. The other end of the first brush roller 2 passes through the circular through-hole on the surface of the first support plate 6. A second support plate 7 is slidably connected to the upper surface of the bottom plate 1. A circular through-hole is provided on the surface of the second support plate 7. The rotating shaft at the other end of the second brush roller 3 passes through the circular through-hole on the surface of the second support plate 7. And the second support plate 7 is a telescopic structure. A cross-shaped chute is provided on the upper surface of the bottom plate 1 for the first support plate 6 and the second support plate 7 to slide. And a clamping block is slidably arranged on the side surfaces of the first support plate 6 and the second support plate 7. Corresponding clamping grooves are provided on the surface of the bottom plate 1;

[0034] As Figure 1 , Figure 2 and Figure 5 shown, when it is necessary to disassemble and maintain the first brush roller 2 and the second brush roller 3, disassembly can be carried out from one side of the first brush roller 2 and the second brush roller 3. When disassembling the first brush roller 2, hold the clamping block on the side surface of the first support plate 6 and slide it out of the clamping groove on the surface of the bottom plate 1. Slide the first support plate 6 to one side in the chute on the upper surface of the bottom plate 1 so that one end of the first brush roller 2 is exposed. At this time, the first brush roller 2 can be taken out from the other side bracket for disassembly. The same applies to the second brush roller 3. Slide the second support plate 7 to one side in the chute on the upper surface of the bottom plate 1 so that one end of the second brush roller 3 is exposed. Take out the other end of the second brush roller 3 from the support block 5 for disassembly. After disassembly, the first brush roller 2 and the second brush roller 3 can be cleaned and maintained.

[0035] An elevation structure is provided on the lower surface of the bottom plate 1. The elevation structure is provided with support columns 12 to adjust the height of the bottom plate 1. The elevation structure includes support columns 12. The support columns 12 are telescopic structures. 4 support columns 12 are respectively arranged at the four corners of the lower surface of the bottom plate 1. A base 13 is provided on the outer surface of the support column 12. A cylinder 14 is provided on the upper surface of the base 13. The output end of the cylinder 14 is connected to the lower surface of the bottom plate 1;

[0036] As Figure 1 shown, when the heights of the first brush roller 2 and the second brush roller 3 do not match the printing machine, start the cylinder 14. The cylinder 14 drives the bottom plate 1 to rise or fall, driving the heights of the first brush roller 2 and the second brush roller 3 to change and align with the printing machine, so as to adapt to different specifications of printing machines.

[0037] Working principle: When using the dust removal device for the printing press, start the cylinder 14. The cylinder 14 can drive the bottom plate 1 to rise, so that the device can adapt to printing presses of different heights. The first brush roller 2 and the second brush roller 3 are arranged on the upper surface of the bottom plate 1. The height of the rotating support rod 4 can adjust the height of the second brush roller 3. The second brush roller 3 with adjustable height can quickly pass the printing substrate through. Start the motor 10. The motor 10 drives the first gear 8 to rotate, and the first gear 8 drives the second gear 9 to rotate, thereby driving the first brush roller 2 and the second brush roller 3 to rotate to clean the upper and lower surfaces of the printing substrate. One ends of the rotating shafts of the first brush roller 2 and the second brush roller 3 are supported by the first support plate 6 and the second support plate 7. The first support plate 6 and the second support plate 7 are slidably connected to the bottom plate 1. The first brush roller 2 and one end of the second brush roller 3 can be exposed by using the sliding first support plate 6 and the second support plate 7, which is convenient for disassembling and cleaning the first brush roller 2 and the second brush roller 3, increasing the overall practicability.

[0038] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust removal device for a printing press, comprising a bottom plate (1), wherein a brush roller 1 (2) and a brush roller 2 (3) are arranged on the upper surface of the bottom plate (1), characterized in that: An adjustment structure is arranged on the surface of the bottom plate (1), and a support rod (4) is arranged on the adjustment structure to adjust the height of the second brush roller (3) to facilitate the passage of the printed material.

2. A dust removal device for a printing press according to claim 1, characterized in that: The adjustment structure comprises a support rod (4), the support rod (4) being a two-section structure, the lower half of the support rod (4) being an externally threaded rod, the upper half of the support rod (4) being a threaded round rod, the lower end of the support rod (4) being fixed to the upper surface of the base plate (1), the upper end of the support rod (4) being rotatably connected to the lower surface of a support block (5), the support block (5) being a surface through-hole structure, one end of a rotating shaft of a brush roller 2 (3) being rotatably arranged in the through-hole of the support block (5), a brush roller 1 (2) being arranged below the brush roller 2 (3), one end of the brush roller 1 (2) being rotatably mounted on the upper surface of the base plate (1) through a bracket.

3. A dust removal device for a printing press according to claim 1, characterized in that: The other ends of the brush roller 1 (2) and the brush roller 2 (3) are provided with a disassembly structure, and the disassembly structure is provided with a support plate 1 (6) and a support plate 2 (7) to facilitate the disassembly of the brush roller 1 (2) and the brush roller 2 (3).

4. A dust removal device for a printing press according to claim 3, characterized in that: The disassembly structure comprises a support plate 1 (6), wherein the support plate 1 (6) is slidably connected to the upper surface of the bottom plate (1), a circular through hole is arranged on the surface of the support plate 1 (6), the other end of the brush roller 1 (2) passes through the circular through hole on the surface of the support plate 1 (6), the upper surface of the bottom plate (1) is slidably connected to a support plate 2 (7), the surface of the support plate 2 (7) is provided with a circular through hole, the other end of the brush roller 2 (3) passes through the circular through hole on the surface of the support plate 2 (7), and the support plate 2 (7) is a telescopic structure, a "F"-shaped slide groove is arranged on the upper surface of the bottom plate (1) for the support plate 1 (6) and the support plate 2 (7) to slide, and a card block is slidably arranged on the side surfaces of the support plate 1 (6) and the support plate 2 (7), and a corresponding card groove is arranged on the surface of the bottom plate (1).

5. The dust removal device for a printing press according to claim 1, characterized in that: The bottom plate (1) is a hollow structure. A motor (10) is fixedly arranged inside the bottom plate (1). A gear (8) is arranged on the rotating shaft surface of the brush roller (2). The gear (8) is connected to the output end of the motor (10) via a transmission chain. A gear (9) is arranged on the rotating shaft surface of the brush roller (3). The gear (8) and the gear (9) are aligned. Two pressure rollers (11) are symmetrically arranged on the upper surface of the bottom plate (1). The pressure rollers (11) are rotatably mounted on the upper surface of the bottom plate (1).

6. A dust removal device for a printing press according to claim 1, characterized in that: A raised structure is provided on the lower surface of the base plate (1), and a support column (12) is provided on the raised structure to adjust the height of the base plate (1).

7. A dust removal device for a printing press according to claim 6, characterized in that: The lifting structure comprises a support column (12), wherein the support column (12) is a telescopic structure, wherein four support columns (12) are respectively arranged at four corners of the lower surface of the base plate (1), a base (13) is arranged on the outer surface of the support column (12), a cylinder (14) is arranged on the upper surface of the base (13), and an output end of the cylinder (14) is connected to the lower surface of the base plate (1).

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