Printed matter rubber surface printing device

Abstract

The utility model relates to the field of printing, in particular to a printed matter rubber surface printing device. The printed matter rubber surface printing device comprises an offset press body, a dust collector is installed on one side of the offset press body, an electrostatic roller used for removing dust of materials is installed above the to-be-printed materials in the offset press body, a motor and a cleaning brush are installed below the electrostatic roller, and the cleaning brush used for cleaning dust on the surface of the electrostatic roller is arranged on one side of the electrostatic roller. According to the printed matter rubber surface printing device, dust and impurities on the surfaces of materials can be efficiently adsorbed through the electrostatic effect generated by the electrostatic roller, especially dust difficult to clean in tiny pits or textures, the cleaning brush can reciprocate in the horizontal direction under the driving of the transmission mechanism, and the cleaning effect is good. By means of the design, dust accumulation is effectively prevented, and continuous and efficient work of the electrostatic roller is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the printing field especially relates to a printing product glue surface printing device. BACKGROUND

[0002] In the printing industry, glue surface printing, also known as offset printing, is a widely used printing technology. It is known for its high precision, high speed and wide applicability, especially suitable for the production of books, magazines, newspapers, packaging and advertising printing products, however, there are some problems and challenges in the printing process of traditional offset printing equipment, which promotes the research and improvement of new glue surface printing device.

[0003] Traditional offset printing equipment usually adopts simple blowing or wiping method to clean the dust on the surface of the material, but this method often cannot completely remove the dust, especially when there are small concave or texture on the surface of the material, dust and impurities are more likely to accumulate in these places, which is difficult to clean;

[0004] At the same time, the traditional offset printing equipment also has many inconveniences when replacing the water ink roller, the water ink roller is the key component of transferring water ink in the offset printing process, its quality and state directly affect the quality of the printed matter, however, the traditional water ink roller replacement method usually needs to disassemble a large number of components, the operation is complex and time-consuming and laborious, which not only increases the labor intensity of the operator, but also reduces the operation efficiency of the equipment, and affects the production cycle of the printed matter.

[0005] Therefore, it is necessary to provide a new printing product glue surface printing device to solve the above technical problems. UTILITY MODEL CONTENT

[0006] In order to solve the above technical problems, the utility model provides a printing product glue surface printing device.

[0007] The printing product glue surface printing device provided by the utility model comprises a offset printing machine body, a dust collector is installed on one side of the offset printing machine body, an electrostatic roller for material dust removal is installed above the inside of the offset printing machine body, a motor is installed below the electrostatic roller, a cleaning brush is arranged on one side of the electrostatic roller, the cleaning brush is used for cleaning the dust on the surface of the electrostatic roller, a transmission mechanism is arranged, the transmission mechanism drives the cleaning brush to move back and forth in the horizontal direction, a flat dust suction nozzle is arranged above the cleaning brush, one end of the flat dust suction nozzle is communicated with the dust suction pipeline of the dust collector, a water ink roller is installed on one side of the inside of the offset printing machine body, the water ink roller is detachable, a limiting assembly is installed on one side of the offset printing machine body close to the water ink roller, and the limiting assembly is used for fixing the water ink roller.

[0008] Preferably, the transmission mechanism comprises a reciprocating screw rod and a matching block, one side of the offset printing machine body is fixedly connected with the reciprocating screw rod, the middle part of the reciprocating screw rod is fixedly connected with the matching block, the side close to the electrostatic roller of the matching block is fixedly connected with the cleaning brush, the other side of the matching block is slidably connected with the limiting rod, the two ends of the limiting rod are fixedly connected with the inside of the offset printing machine body, the cleaning brush can reciprocate in the horizontal direction under the driving of the transmission mechanism, and the surface of the electrostatic roller can be cleaned comprehensively and uniformly, and the stability of the matching block during reciprocation is ensured by the limiting rod.

[0009] Preferably, one end of the plate cylinder inside the offset printing machine body is fixedly connected with a driving pulley, one end of the reciprocating screw rod is fixedly connected with a driven pulley, and the driving pulley and the driven pulley are rotatably connected through a belt.

[0010] Preferably, one end of the reciprocating screw rod close to the driven pulley is fixedly connected with a driving gear, and one end of the electrostatic roller is fixedly connected with a driven gear, and the driving gear and the driven gear are in meshing connection.

[0011] Preferably, one side of the offset printing machine body is rotatably connected with a rotating rod, a square slot is formed in the end of the rotating rod close to the water roller, a square rod is fixedly connected with one end of the water roller, and the square rod is inserted into the square slot, so that the water roller can be disassembled and installed very simply and quickly.

[0012] Preferably, one side of the offset printing machine body away from the rotating rod is slidably connected with a sliding rod, a circular slot is formed in one end of the sliding rod, and the other end of the water roller is inserted into the circular slot.

[0013] Preferably, the limiting assembly comprises a spring, a trapezoidal sliding block and a trapezoidal sliding groove, a recess is formed in the middle part of the sliding rod, the inner wall of the recess is fixedly connected with the spring, the top end of the spring is fixedly connected with the trapezoidal sliding block, a trapezoidal sliding groove is formed in the inside of the offset printing machine body and corresponds to the trapezoidal sliding block, and the trapezoidal sliding block and the trapezoidal sliding groove are clamped, so that the water roller can be stably fixed through the elastic force of the spring and the clamping action of the trapezoidal sliding block.

[0014] Preferably, a handle is fixedly connected with the other end of the sliding rod, so as to increase the stress area and facilitate the operator to push and pull the sliding rod.

[0015] Compared with the related art, the printing product offset printing device has the following beneficial effects:

[0016] I. The dust removal and cleaning effect is significantly improved

[0017] The electrostatic dust removal is efficient and thorough

[0018] The electrostatic roller can efficiently adsorb dust and impurities on the surface of the material through electrostatic action generated by the motor, especially the dust in small recesses or textures that is difficult to clean. This dust removal method not only improves the quality of the printed matter, but also prolongs the service life of the equipment.

[0019] The reciprocating movement of the cleaning brush ensures comprehensive cleaning:

[0020] The cleaning brush can move reciprocally in the horizontal direction under the drive of the transmission mechanism, comprehensively and uniformly cleaning the surface of the electrostatic roller. This design effectively prevents dust accumulation, ensuring the continuous and efficient operation of the electrostatic roller, and the setting of the limiting rod ensures the stability of the cooperating block and the cleaning brush during reciprocating movement.

[0021] The dust collection system keeps the working environment clean:

[0022] The flat dust suction nozzle is connected to the dust collector, which can suck the dust and impurities generated by the cleaning brush in real time, preventing the dust and impurities from falling back onto the material or equipment. This not only maintains the cleanliness of the working environment, but also improves the clarity of the printed matter.

[0023] II. Convenient and efficient replacement of water-based ink roller

[0024] Quick disassembly and installation:

[0025] Through the ingenious design of the rotating rod and the sliding rod, the disassembly and installation of the water-based ink roller become very simple and fast. The operator only needs to pull the sliding rod, hold the water-based ink roller, slide it off the rotating rod, insert a new water-based ink roller, and then push the sliding rod to complete the replacement process. This design greatly saves the time for replacing the water-based ink roller and improves the operating efficiency of the equipment.

[0026] The limiting assembly ensures stable fixation:

[0027] The limiting assembly includes a spring, a trapezoidal sliding block, and a trapezoidal sliding slot. Through the elastic force of the spring and the clamping action of the trapezoidal sliding block, the water-based ink roller can be stably fixed. This design not only ensures the stable operation of the water-based ink roller during printing, but also improves the safety and reliability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 The structure diagram of the printing device for printing matter is provided in the utility model;

[0029] Figure 2 The structure diagram of the electrostatic roller is shown in the utility model; Figure 1

[0030] Figure 3 The structure diagram of the body section of the offset press is shown in the utility model; Figure 1

[0031] ​​Figure 4 As Figure 3 The structure schematic view of the trapezoidal slider is partially enlarged as shown in the figure.

[0032] Figure 5 As Figure 3 The structure schematic view of the square rod is partially enlarged as shown in the figure.

[0033] The figure mark: 1, the gum printing machine body; 2, the dust catcher; 3, the static roller; 4, the motor; 5, the cleaning brush; 6, the flat dust suction nozzle; 7, the water ink roller; 8, the reciprocating silk rod; 9, the matching block; 91, the limiting rod; 10, the driving pulley; 11, the driven pulley; 12, the driving gear; 13, the driven gear; 14, the rotating rod; 15, the square groove; 16, the square rod; 17, the sliding rod; 18, the spring; 19, the trapezoidal slider; 20, the trapezoidal sliding slot; 21, the handle. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further detailed with the utility model by combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0035] The specific implementation of the utility model is described in detail in the following by combining with specific examples.

[0036] Please refer to Figures 1 to 5The utility model provides a printing rubber surface printing device, printing rubber surface printing device includes: offset press body 1, one side of offset press body 1 is equipped with dust collector 2, and the inside of offset press body 1 is equipped with electrostatic roller 3 for material dust removal above the material to be printed, and motor 4 is installed below electrostatic roller 3, cleaning brush 5 is equipped with cleaning brush 5 for cleaning the dust on the surface of electrostatic roller 3 on one side of electrostatic roller 3, transmission mechanism drives cleaning brush 5 to move back and forth in horizontal direction, flat dust suction nozzle 6 is equipped with flat dust suction nozzle 6 above cleaning brush 5, one end of flat dust suction nozzle 6 communicates with the dust suction pipeline of dust collector 2, water ink roller 7 is equipped with water ink roller 7 on the inside of offset press body 1 near one side of printing roller, limiting assembly is equipped with limiting assembly on one side of offset press body 1 near water ink roller 7, limiting assembly is used for fixing water ink roller 7, and transmission mechanism includes: reciprocating screw rod 8 and cooperation block 9, one side of offset press body 1 is fixedly connected with reciprocating screw rod 8, and cooperation block 9 is installed in the middle part of reciprocating screw rod 8, and one side of cooperation block 9 near electrostatic roller 3 is fixedly connected with cleaning brush 5, and the other side of cooperation block 9 is slidably connected with limiting rod 91, and both ends of limiting rod 91 are fixedly connected with the inside of offset press body 1, and one end of plate cylinder in the inside of offset press body 1 is fixedly connected with driving pulley 10, and one end of reciprocating screw rod 8 is fixedly connected with driven pulley 11, and driving pulley 10 and driven pulley 11 are rotatably connected through belt, and one end of reciprocating screw rod 8 near driven pulley 11 is fixedly connected with driving gear 12, and one end of electrostatic roller 3 is fixedly connected with driven gear 13, and driving gear 12 and driven gear 13 are meshedly connected.

[0037] It should be noted that: when the printing material enters the inside of the offset printing machine body 1, the offset printing machine body 1 starts to work, the motor 4 starts, first the printing material will pass below the electrostatic roller 3, the electrostatic roller 3 generates static electricity to adsorb the dust and impurities on the surface of the material, especially the dust that is difficult to clean in the small concave or texture, the cleaning brush 5 is located on one side of the electrostatic roller 3, which is used to clean the dust accumulated on the surface of the electrostatic roller 3 during the dust removal process; the transmission mechanism, including reciprocating screw rod 8 and cooperating block 9, drives the cleaning brush 5 to move reciprocally in the horizontal direction, the reciprocating screw rod 8 is connected with the driving belt pulley 10 of the master roll through the belt, and synchronous rotation is realized, when the master roll rotates, the reciprocating screw rod 8 is driven to rotate through the belt, and then the cooperating block 9 and the cleaning brush 5 are driven to move reciprocally in the horizontal direction, the limiting rod 91 ensures the stability of the cooperating block 9 and the cleaning brush 5 during the reciprocating movement; the rotation of the reciprocating screw rod 8 will drive the electrostatic roller 3 to rotate through the driving gear 12 meshing with the driven gear 13, thereby realizing effective dust removal effect, the design of reciprocating movement ensures that the cleaning brush 5 can clean the surface of the electrostatic roller 3 comprehensively and uniformly, preventing dust accumulation from affecting the subsequent dust removal effect; the flat suction nozzle 6 is located above the cleaning brush 5, one end of which is in communication with the suction duct of the dust collector 2, when the cleaning brush 5 cleans the surface of the electrostatic roller 3, the dust and impurities generated will be sucked into the suction nozzle and then sent into the dust collector 2 through the suction duct for treatment, the use of the dust collector 2 ensures that the dust and impurities will not fall back onto the material or equipment, keeping the working environment clean.

[0038] Please refer to Figures 2 to 5 , one end of the offset printing machine body 1 is rotatably connected with a rotating rod 14, a square slot 15 is formed in the end of the rotating rod 14 close to the water roller 7, a square rod 16 is fixedly connected with the other end of the water roller 7, the square rod 16 is inserted into the square slot 15, a sliding rod 17 is slidably connected with the side of the offset printing machine body 1 away from the rotating rod 14, a circular slot is formed in one end of the sliding rod 17, the other end of the water roller 7 is inserted into the circular slot, the limiting assembly comprises: a spring 18, a trapezoidal sliding block 19 and a trapezoidal sliding groove 20, a recess is formed in the middle of the sliding rod 17, the spring 18 is fixedly connected with the inner wall of the recess, the top end of the spring 18 is fixedly connected with the trapezoidal sliding block 19, the trapezoidal sliding groove 20 is formed in the position corresponding to the trapezoidal sliding block 19 in the offset printing machine body 1, the trapezoidal sliding block 19 and the trapezoidal sliding groove 20 are clamped, and the other end of the sliding rod 17 is fixedly connected with a handle 21;

[0039] It should be noted that when the water-based ink roller 7 needs to be replaced, first pull the handle 21 at one end of the sliding rod 17, the internal trapezoidal slide block 19 is extruded by the trapezoidal slide groove 20 to start compressing the spring 18, so that the trapezoidal slide block 19 is separated from the trapezoidal slide groove 20, then continue to pull the sliding rod 17, so that the round groove at one end of the sliding rod 17 is separated from one end of the water-based ink roller 7; at the same time, hold the water-based ink roller 7 and slide it towards the sliding rod 17, so that the square rod 16 at the other end of the water-based ink roller 7 is separated from the square groove 15 at one end of the rotating rod 14, at this time, the water-based ink roller 7 can be easily removed from the equipment for replacement;

[0040] Insert the square rod 16 at one end of the new water-based ink roller 7 into the square groove 15 of the rotating rod 14, ensure that the insertion is firm, then push the sliding rod 17, so that the round groove at one end of the sliding rod 17 is inserted into the other end of the water-based ink roller 7, continue to push the sliding rod 17, until the trapezoidal slide block 19 is clamped into the trapezoidal slide groove 20 under the action of the spring 18, to realize the fixation of the water-based ink roller 7;

[0041] The square groove 15 at one end of the rotating rod 14 is inserted with the square rod 16 at one end of the water-based ink roller 7, the rotating rod 14 is rotated, thereby driving the water-based ink roller 7 to rotate, the sliding rod 17 is slidingly connected with the offset printing machine body 1, the round groove at one end of the sliding rod 17 is inserted with the other end of the water-based ink roller 7, because the other end of the water-based ink roller 7 is a cylinder, after being inserted with the round groove at one end of the sliding rod 17, it can rotate in the inner wall of the round groove.

[0042] The working principle of the printed matter offset printing device is as follows:

[0043] I. Dust removal and cleaning principle

[0044] Static dust removal:

[0045] When the material to be printed enters the inside of the offset printing machine body 1, the offset printing machine body 1 starts to work, the motor 4 is started, first the material to be printed will pass below the electrostatic roller 3, the electrostatic roller 3 generates static electricity to adsorb the dust and impurities on the surface of the material, especially the dust in the small recesses or textures which is difficult to clean;

[0046] Reciprocating movement of the cleaning brush 5:

[0047] The cleaning brush 5 is located on one side of the electrostatic roller 3, and is used for cleaning the dust accumulated on the surface of the electrostatic roller 3 during the dust removal process;

[0048] The transmission mechanism includes a reciprocating screw rod 8 and a matching block 9, which drives the cleaning brush 5 to move reciprocally in the horizontal direction, the reciprocating screw rod 8 is connected with the driving belt pulley 10 of the base roller through a belt, so as to realize synchronous rotation, when the base roller rotates, the reciprocating screw rod 8 is driven to rotate through the belt, thereby driving the matching block 9 and the cleaning brush 5 to move reciprocally in the horizontal direction, and the limiting rod 91 ensures the stability of the matching block 9 and the cleaning brush 5 during the reciprocating movement.

[0049] The rotation of the reciprocating screw rod 8 drives the electrostatic roller 3 to rotate through the driving gear 12 and the driven gear 13, thereby achieving effective dust removal effect, and the reciprocating design ensures that the cleaning brush 5 can clean the surface of the electrostatic roller 3 comprehensively and uniformly, preventing dust accumulation from affecting the subsequent dust removal effect.

[0050] Dust collection:

[0051] The flat dust collection nozzle 6 is located above the cleaning brush 5, and one end thereof is in communication with the dust collection pipeline of the dust collector 2. When the cleaning brush 5 is cleaning the surface of the electrostatic roller 3, the dust and impurities generated will be sucked into the dust collection nozzle and then sent into the dust collector 2 through the dust collection pipeline for treatment, and the use of the dust collector 2 ensures that the dust and impurities will not fall back onto the materials or equipment, thereby maintaining the cleanliness of the working environment.

[0052] II. Water roller 7 replacement and fixing working principle

[0053] Dismounting of the water roller 7:

[0054] When the water roller 7 needs to be replaced, first pull the handle 21 at one end of the sliding rod 17, and the trapezoidal sliding block 19 inside the sliding rod 17 is extruded by the trapezoidal sliding groove 20 to start compressing the spring 18, so that the trapezoidal sliding block 19 is separated from the trapezoidal sliding groove 20, then continue to pull the sliding rod 17, so that the circular groove at one end of the sliding rod 17 is separated from one end of the water roller 7.

[0055] At the same time, hold the water roller 7 and slide it towards the sliding rod 17, so that the square rod 16 at the other end of the water roller 7 is separated from the square groove 15 at one end of the rotating rod 14, at this time, the water roller 7 can be easily removed from the equipment for replacement.

[0056] Installation and fixation of the water roller 7:

[0057] Insert the square rod 16 at one end of the new water roller 7 into the square groove 15 of the rotating rod 14 to ensure firm insertion, then push the sliding rod 17 so that the circular groove at one end of the sliding rod 17 is inserted into the other end of the water roller 7, continue to push the sliding rod 17 until the trapezoidal sliding block 19 is clamped into the trapezoidal sliding groove 20 under the action of the spring 18, thereby fixing the water roller 7.

[0058] The above description is only an embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process conversion based on the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A printed matter face gluing device characterized by comprising: The utility model relates to a printing machine body (1) is provided with dust collector (2) on one side, and the electrostatic roller (3) for material dust removal is installed above the material to be printed in the printing machine body (1), and motor (4) is installed below the electrostatic roller (3). The utility model relates to a cleaning brush (5) is arranged on one side of the electrostatic roller (3) and is used for cleaning the dust on the surface of the electrostatic roller (3). The utility model relates to a transmission mechanism, which drives the cleaning brush (5) to move back and forth in the horizontal direction. The utility model relates to a flat dust suction nozzle (6) is arranged above the cleaning brush (5), and one end of the flat dust suction nozzle (6) is communicated with the dust suction pipeline of the dust collector (2). The utility model relates to a water ink roller (7) is installed on one side of the printing roller in the printing machine body (1). The utility model relates to a limiting assembly is installed on one side of the water ink roller (7) in the printing machine body (1), and the limiting assembly is used for fixing the water ink roller (7). The utility model relates to a transmission mechanism, which drives the cleaning brush (5) to move back and forth in the horizontal direction.

2. The device according to claim 1, wherein The utility model relates to a flat dust suction nozzle (6) is arranged above the cleaning brush (5), and one end of the flat dust suction nozzle (6) is communicated with the dust suction pipeline of the dust collector (2).

3. The device according to claim 2, wherein The utility model relates to a water ink roller (7) is installed on one side of the printing roller in the printing machine body (1).

4. The device according to claim 3, wherein The utility model relates to a limiting assembly is installed on one side of the water ink roller (7) in the printing machine body (1), and the limiting assembly is used for fixing the water ink roller (7).

5. The device according to claim 1, wherein The utility model relates to a transmission mechanism, which drives the cleaning brush (5) to move back and forth in the horizontal direction.

6. The device according to claim 5, wherein The utility model relates to a flat dust suction nozzle (6) is arranged above the cleaning brush (5), and one end of the flat dust suction nozzle (6) is communicated with the dust suction pipeline of the dust collector (2).

7. The device according to claim 6, wherein The utility model relates to a water ink roller (7) is installed on one side of the printing roller in the printing machine body (1).

8. The device according to claim 6, wherein The utility model relates to a limiting assembly is installed on one side of the water ink roller (7) in the printing machine body (1), and the limiting assembly is used for fixing the water ink roller (7). The utility model relates to a transmission mechanism, which drives the cleaning brush (5) to move back and forth in the horizontal direction. The utility model relates to a flat dust suction nozzle (6) is arranged above the cleaning brush (5), and one end of the flat dust suction nozzle (6) is communicated with the dust suction pipeline of the dust collector (2). The utility model relates to a water ink roller (7) is installed on one side of the printing roller in the printing machine body (1). The utility model relates to a limiting assembly is installed on one side of the water ink roller (7) in the printing machine body (1), and the limiting assembly is used for fixing the water ink roller (7). The utility model relates to a transmission mechanism, which drives the cleaning brush (5) to move back and forth in the horizontal direction. The utility model relates to a flat dust suction nozzle (6) is arranged above the cleaning brush (5), and one end of the flat dust suction nozzle (6) is communicated with the dust suction pipeline of the dust collector (2). The utility model relates to a water ink roller (7) is installed on one side of the printing roller in the printing machine body (1). The utility model relates to a limiting assembly is installed on one side of the water ink roller (7) in the printing machine body (1), and the limiting assembly is used for fixing the water ink roller (7). The utility model relates to a transmission mechanism, which drives the cleaning brush (5) to move back and forth in the horizontal direction. The utility model relates to a flat dust suction nozzle (6) is arranged above the cleaning brush (5), and one end of the flat dust suction nozzle (6) is communicated with the dust suction pipeline of the dust collector (2). The utility model relates to a water ink roller (7) is installed on one side of the printing roller in the printing machine body (1). The utility model relates to a limiting assembly is installed on one side of the water ink roller (7) in the printing machine body (1), and the limiting assembly is used for fixing the water ink roller (7). The utility model relates to a transmission mechanism, which drives the cleaning brush (5) to move back and forth in the horizontal direction. The utility model relates to a flat dust suction nozzle (6) is arranged above the cleaning brush (5), and one end of the flat dust suction nozzle (6) is communicated with the dust suction pipeline of the dust collector (2). The utility model relates to a water ink roller (7) is installed on one side of the printing roller in the printing machine body (1). The utility model relates to a limiting assembly is installed on one side of the water ink roller (7) in the printing machine body (1), and the limiting assembly is used for fixing the water ink roller (7). The utility model relates to a transmission mechanism, which drives the cleaning brush (5) to move back and forth in the horizontal direction. The utility model relates to a flat dust suction nozzle (6) is arranged above the cleaning brush (5), and one end of the flat dust suction nozzle (6) is communicated with the dust suction pipeline of the dust collector (2). The utility model relates to a water ink roller (7) is installed on one side of the printing roller in the printing machine body (1). The utility model relates to a limiting assembly is installed on one side of the water ink roller (7) in the printing machine body (1), and the limiting assembly is used for fixing the water ink roller (7). The utility model relates to a transmission mechanism, which drives the cleaning brush (5) to move back and forth in the horizontal direction. The utility model relates to a flat dust suction nozzle (6) is arranged above the cleaning brush (5), and one end of the flat dust suction nozzle (6) is communicated with the dust suction pipeline of the dust collector (2). The utility model relates to a water ink roller (7) is installed on one side of the printing roller in the printing machine body (1). The utility model relates to a limiting assembly is installed on one side of the water ink roller (7) in the printing machine body (1), and the limiting assembly is used for fixing the water ink roller (7). The utility model relates to a transmission mechanism, which drives the cleaning brush (5) to move back and forth in the horizontal direction. The utility model relates to a flat dust suction nozzle (6) is arranged above the cleaning brush (5), and one end of the flat dust suction nozzle (6) is communicated with the dust suction pipeline of the dust collector (2). The utility model relates to a water ink roller (7) is installed on one side of the printing roller in the printing machine body (1). The utility model relates to a limiting assembly is installed on one side of the water ink roller (7) in the printing machine body (1), and the limiting assembly is used for fixing the water ink roller (7). The utility model relates to a transmission mechanism, which drives the cleaning brush (5) to move back and forth in the horizontal direction. The utility model relates to a flat dust suction nozzle (6) is arranged above the cleaning brush (5), and one end of the flat dust suction nozzle (6) is communicated with the dust suction pipeline of the dust collector (2). The utility model relates to a water ink roller (7) is installed on one side of the printing roller in the printing machine body (1). The utility model relates to a limiting assembly is installed on one side of the water ink roller (7) in the printing machine body (1), and the limiting assembly is used for fixing the water ink roller (7). The utility model relates to a transmission mechanism, which drives the cleaning brush (5) to move back and forth in the horizontal direction. The utility model relates to a flat dust suction nozzle (6) is arranged above the cleaning brush (5), and one end of the flat dust suction nozzle (6) is communicated with the dust suction pipeline of the dust collector (2). The utility model relates to a water ink roller (7) is installed on one side of the printing roller in the printing machine body (1). The utility model relates to a limiting assembly is installed on one side of the water ink roller (7) in the printing machine body (1), and the limiting assembly is used for fixing the water ink roller (7). The utility model relates to a transmission mechanism, which drives the cleaning brush (5) to move back and forth in the horizontal direction. The utility model relates to a flat dust suction nozzle (6) is arranged above the cleaning brush (5), and one end of the flat dust suction nozzle (6) is communicated with the dust suction pipeline of the dust collector (2). The utility model relates to a water ink roller (7) is installed on one side of the printing roller in the printing machine body (1). The utility model relates to a limiting assembly is installed on one side of the water ink roller (7) in the printing machine body (1), and the limiting assembly is used for fixing the water ink roller (7). The utility model relates to a transmission mechanism, which drives the cleaning brush (

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