USC brush and rubber roller three-in-one cleaning dust remover

Abstract

The utility model discloses a USC brush and rubber roller three-in-one cleaning dust remover which comprises a machine frame and a cleaning machine body, the cleaning machine body is installed on the top of the machine frame, a feeding port and a discharging port are formed in the two sides of the cleaning machine body respectively, a driving device is arranged at one end of the cleaning machine body, a USC brush set is arranged in the cleaning machine body, and the USC brush set and the rubber roller are arranged in the cleaning machine body. The USC brush set comprises a brush roller and a USC module, the USC module comprises a USC positive pressure cavity and a USC negative pressure cavity, the brush roller is used for raising large-particle dust on the surface of a material, the USC positive pressure cavity is used for raising internal dust, and the USC negative pressure cavity is used for sucking away the dust; a rubber roller assembly and a dust-sticking paper roll assembly are further arranged in the cleaning machine body and used for dedusting and cleaning materials cleaned by the USC brush set. A dust collecting box is arranged on one side of the rack and used for collecting dust sucked away by the USC negative pressure cavity. According to the utility model, at least three cleaning procedures are carried out in one device, so that the cleaning effect is better.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of PCB cleaning, specifically relates to a USC brush rubber roller three-in-one cleaning dust removal machine. BACKGROUND

[0002] In the processing of FPC and PCB, foreign matters such as board scraps, dust, hair and glass fibers are often left on FPC and PCB, and since FPC and PCB are soft boards, there are many uneven holes on the board surface, some foreign matters are left in the holes and are difficult to remove, and the conventional cleaning machine cannot meet the cleaning requirements of FPC and PCB. The utility model discloses a kind of ultrasonic cleaning dust removal equipment, which relies on ultrasonic suction nozzle to suck foreign matters on material, this mode can only suck foreign matters attached to one surface of FPC and PCB, and the cleaning effect of the other surface of FPC and PCB and firmly attached foreign matters is limited, and the cleaning technology still needs to be improved to meet the increasing requirements of modern society industry and production on PCB soft board cleaning. UTILITY MODEL CONTENTS

[0003] The utility model discloses a USC brush rubber roller three-in-one cleaning dust removal machine with good cleaning effect.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A USC brush rubber roller three-in-one cleaning dust removal machine includes a rack and a cleaning machine body, the cleaning machine body is installed on the top of the rack, the two sides of the cleaning machine body are respectively provided with a feeding port and a discharging port, and one end of the cleaning machine body is provided with a driving device,

[0006] The cleaning machine body is provided with a USC brush group, the USC brush group includes a brush roller and a USC module, the USC module includes a USC positive pressure cavity and a USC negative pressure cavity, the brush roller is used to lift large particle dust on the surface of material, the USC positive pressure cavity is used to fly the dust inside, and the USC negative pressure cavity is used to suck away the dust.

[0007] The cleaning machine body is also provided with a rubber roller assembly and a dust sticking paper roll assembly, which are used to clean the material cleaned by the USC brush group.

[0008] The rack is provided with a dust collection box, and the dust collection box is used to collect the dust sucked away by the USC negative pressure cavity.

[0009] Optionally, one end of the USC positive pressure cavity is connected with a USC gas supply pipeline; one end of the USC negative pressure cavity is connected with a USC negative pressure pipeline, the USC negative pressure pipeline is connected with the dust collecting box through a pipeline, and a dust suction port is formed in the USC negative pressure cavity; the USC positive pressure cavity is located below the USC negative pressure cavity, and the airflow outlet of the USC positive pressure cavity faces the material.

[0010] Optionally, a filter cavity is arranged in the dust collecting box, a filter cartridge is arranged in the filter cavity, a negative pressure output pipe for connecting with the USC negative pressure pipeline is arranged on the filter cavity, and the filter cavity is connected with the negative pressure fan.

[0011] Optionally, the brush rollers include upper brush rollers and lower brush rollers, two upper brush rollers and two lower brush rollers are arranged respectively, one USC module is arranged above the two upper brush rollers, and one USC module is arranged below the two lower brush rollers; the rotation directions of the upper brush rollers and the lower brush rollers are opposite.

[0012] Optionally, the rubber roller assembly includes lower rubber rollers, upper rubber rollers, a fixed table and a floating table, the lower rubber rollers are rotationally connected with the fixed table, and the upper rubber rollers are rotationally connected with the floating table.

[0013] The sticky dust paper roll assembly includes an upper paper roll group and a lower paper roll group, and the rubber roller assembly is located between the upper paper roll group and the lower paper roll group; the upper paper roll group includes a first front paper roll and a first rear paper roll, and the lower paper roll group includes a second front paper roll and a second rear paper roll; a cylinder is arranged corresponding to each paper roll; before incoming material, the upper rubber rollers are suspended above the lower rubber rollers; after incoming material, the first front paper roll and the second front paper roll are first pressed downward by the cylinders to make the first front paper roll contact the upper rubber roller close to the inlet, the upper rubber roller close to the inlet contact the incoming material, and the second front paper roll contact the lower rubber roller close to the inlet; the first rear paper roll and the second rear paper roll are then pressed downward by the cylinders to make the first rear paper roll and the second rear paper roll contact the upper rubber roller and the lower rubber roller close to the outlet respectively, and the upper rubber roller close to the outlet contact the incoming material.

[0014] Optionally, the upper rubber rollers are at least four, two of which correspond to the first front paper roll, and the other two correspond to the first rear paper roll; and the lower rubber rollers are at least four, two of which correspond to the second front paper roll, and the other two correspond to the second rear paper roll.

[0015] Optionally, the air cylinder comprises a first front paper roll air cylinder, a first rear paper roll air cylinder, a second front paper roll air cylinder and a second rear paper roll air cylinder, the first front paper roll air cylinder and the first rear paper roll air cylinder are correspondingly arranged above the paper roll mounting plate in the upper paper roll group, the second front paper roll air cylinder and the second rear paper roll air cylinder are correspondingly arranged below the paper roll mounting plate in the lower paper roll group, the first front paper roll air cylinder and the second front paper roll air cylinder are used for moving the first front paper roll and the second front paper roll towards the rubber roller assembly, and the first rear paper roll air cylinder and the second rear paper roll air cylinder are used for moving the first rear paper roll and the second rear paper roll towards the rubber roller assembly.

[0016] Optionally, a reset spring is arranged between the floating table in the rubber roller assembly and the paper roll mounting plate in the upper paper roll group.

[0017] Optionally, a dust removal electrostatic bar is arranged between the USC brush group and the rubber roller assembly in the cleaning machine body, and two dust removal electrostatic bars are arranged above and below the material conveying direction respectively.

[0018] Optionally, a feeding conveying belt and a discharging conveying belt are arranged on the two sides of the cleaning machine body respectively.

[0019] By adopting the technical scheme, the utility model has the following beneficial effects:

[0020] The utility model discloses a cleaning machine body is arranged with USC brush group, rubber roller assembly and dust sticking paper roll assembly simultaneously, first carries out the USC dust removal to material, then passes through dust sticking paper roll assembly and sticks away dust, completes USC brush rubber roller three in one cleaning, and the cleaning effect is better.

[0021] In addition, on the basis of three in one cleaning, four paper rolls are correspondingly arranged with rubber rollers, each paper roll independently acts under the action of the air cylinder, and the upper rubber roller in the rubber roller assembly is suspended before the incoming material, and after the incoming material, the first front paper roll, the second front paper roll and the first rear paper roll and the second rear paper roll are controlled by the air cylinder in sequence, so that the incoming product is cleaned, the end face film tearing and board clamping phenomenon during material feeding is reduced, and the product passing rate and product yield are effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the three-dimensional structure schematic diagram of one embodiment of the utility model;

[0023] Figure 2 It is the three-dimensional structure schematic diagram of the cleaning machine body in one embodiment of the utility model;

[0024] Figure 3 It is the partial side view of the cleaning machine body in one embodiment of the utility model;

[0025] Figure 4 It isFigure 2 Structure diagram of USC module;

[0026] Figure 5 is a partial enlarged schematic view of the rubber roller assembly in one of the embodiments of the present application;

[0027] Figure 6 is a perspective view of the dust collecting box in one of the embodiments of the present application.

[0028] Reference signs: 1, frame, 11, feeding conveyor belt, 12, discharging conveyor belt, 2, cleaning machine body, 21, upper brush roller, 22, lower brush roller, 31, USC module, 311, USC positive pressure cavity, 312, USC gas supply pipeline, 321, USC negative pressure cavity, 322, USC negative pressure pipeline;

[0029] 41, lower rubber roller, 42, upper rubber roller, 43, fixed table, 44, floating table, 45, return spring, 5, dust removal electrostatic rod, 61, transmission gear;

[0030] 71, first front paper roll, 72, second front paper roll, 73, first rear paper roll, 74, second rear paper roll, 75, paper roll mounting plate;

[0031] 81, first front paper roll air cylinder, 82, first rear paper roll air cylinder, 83, second front paper roll air cylinder, 84, second rear paper roll air cylinder;

[0032] 9, dust collecting box, 91, filter cavity, 92, filter element, 93, negative pressure output pipe, 94, negative pressure fan. DETAILED DESCRIPTION

[0033] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments.

[0034] The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application.

[0035] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0036] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, construct and operate, therefore, it cannot be understood as the limitation of the utility model. In addition, the term "first", "second", "third" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0037] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, construct and operate, therefore, it cannot be understood as the limitation of the utility model. In addition, the term "first", "second", "third" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0038] Embodiment

[0039] As Figures 1 to 6 As shown in the utility model one embodiment, a USC brush rubber roller three-in-one cleaning dust removal machine, including frame 1 and cleaning machine body 2, cleaning machine body 2 is installed on the top of frame 1, the both sides of cleaning machine body 2 are provided with feed inlet and discharge outlet respectively, the feed conveying roller is arranged in cleaning machine body 2 near the feed inlet, the discharge conveying roller is arranged in cleaning machine body 2 near the feed inlet, one end of cleaning machine body 2 is provided with driving device,

[0040] The USC brush group is arranged in cleaning machine body 2, the USC brush group includes brush roller and USC module 31, the USC module 31 includes USC positive pressure cavity 311 and USC negative pressure cavity 321, the brush roller is used to lift large particle dust on the surface of material, the USC positive pressure cavity 311 is used to fly internal dust, and the USC negative pressure cavity 321 is used to suck dust away;

[0041] The rubber roller assembly and dust sticking paper roll assembly are further arranged in cleaning machine body 2, which are used to clean the material cleaned by the USC brush group;

[0042] The dust collection box 9 is arranged on one side of frame 1, and the dust collection box 9 is used to collect the dust sucked away by the USC negative pressure cavity 321.

[0043] USC positive pressure cavity 311 and USC negative pressure cavity 321 are prior art, and the specific structure will not be repeated, USC is dry ultrasonic dust removal, and the principle is that the USC positive pressure cavity 311 is provided with 14-20Kpa clean gas by a blower to generate ultrasonic waves, the dust particles are separated from the material surface by three movement modes (single or mixed) of lifting, rolling and sliding through the energy and vibration of the ultrasonic waves, when the air flows through the flow channel of the ultrasonic wave generating cavity, the dirt particles are separated from the suspension by the shock expansion of the volume speed at the small outlet, and then collected into the dust collecting box 9 by the USC negative pressure cavity 321.

[0044] In use, when the material enters the cleaning machine body 2, the large dust particles on the surface of the material are first lifted by the brush roller, then the internal dust is lifted by the USC positive pressure cavity 311, and the dust is sucked away by the USC negative pressure cavity 321, so that the USC brush cleaning is completed; then, the material continues to be conveyed to the rubber roller assembly and the dust is adhered by the dust adhering paper roll assembly, so that the USC brush rubber roller three-in-one cleaning is completed, and the cleaning effect is better.

[0045] Further, as one of the embodiments of the utility model, one end of the USC positive pressure cavity 311 is connected with the USC gas supply pipeline 312, the USC gas supply pipeline 312 is connected with the blower through a pipeline, and the USC positive pressure cavity 311 is provided with gas to generate ultrasonic waves,

[0046] One end of the USC negative pressure cavity 321 is connected with the USC negative pressure pipeline 322, the USC negative pressure pipeline 322 is connected with the negative pressure output pipe 93 of the dust collecting box 9 through a pipeline; and the USC negative pressure cavity 321 is provided with a dust suction port;

[0047] The USC positive pressure cavity 311 is located below the USC negative pressure cavity 321, and the airflow outlet of the USC positive pressure cavity 311 faces the material.

[0048] Further, as one of the embodiments of the utility model, the dust collecting box 9 is provided with a filter cavity 91, the filter cavity 91 is provided with a filter core 92, the filter cavity 91 is provided with a negative pressure output pipe 93 connected with the USC negative pressure pipeline 322, and the filter cavity 91 is connected with a negative pressure fan 94. The negative pressure fan 94 provides negative pressure to the USC negative pressure cavity 321 through the negative pressure output pipe 93 and the USC negative pressure pipeline 322, so that the dust can be collected into the dust collecting box 9, and the collected dust first enters the filter cavity 91, and the filter core 92 can filter the gas containing dust.

[0049] Further, as one of the embodiments of the utility model, the brush roller includes upper brush roller 21 and lower brush roller 22, two upper brush rollers 21 and lower brush rollers 22 are provided respectively, one USC module 31 is provided correspondingly above two upper brush rollers 21, one USC module 31 is provided correspondingly below two lower brush rollers 22, and the rotating direction of upper brush roller 21 and lower brush roller 22 is opposite.When the material enters between upper brush roller 21 and lower brush roller 22, the brush roller and the corresponding USC positive pressure cavity 311 lift the large dust on the surface of the material, and the USC negative pressure cavity 321 sucks away the dust in the space.

[0050] Further, as one of the embodiments of the utility model, the rubber roller assembly includes lower rubber roller 41, upper rubber roller 42, fixed table 43 and floating table 44, the lower rubber roller 41 is rotatably connected with the fixed table 43, and the upper rubber roller 42 is rotatably connected with the floating table 44.

[0051] The dust sticking paper roll assembly includes upper paper roll group and lower paper roll group, and the rubber roller assembly is located between the upper paper roll group and the lower paper roll group, the upper paper roll group includes first front paper roll 71 and first rear paper roll 73, the lower paper roll group includes second front paper roll 72 and second rear paper roll 74, and each paper roll is provided with a pneumatic cylinder correspondingly, before incoming material, the upper rubber roller 42 is suspended on the lower rubber roller 41, after incoming material, the first front paper roll 71 and the second front paper roll 72 are first pressed down by the pneumatic cylinder, so that the first front paper roll 71 is in contact with the upper rubber roller 42 close to the inlet, the upper rubber roller 42 close to the inlet is in contact with the incoming material, and the second front paper roll 72 is in contact with the lower rubber roller 41 close to the inlet, and then the first rear paper roll 73 and the second rear paper roll 74 are pressed down by the pneumatic cylinder, so that the first rear paper roll 73 and the second rear paper roll 74 are in contact with the upper rubber roller 42 and the lower rubber roller 41 close to the outlet respectively, and the upper rubber roller 42 close to the outlet is in contact with the incoming material.

[0052] When the material is conveyed to the rubber roller assembly, the first front paper roll 71 moves towards the upper rubber roller 42 first, the upper rubber roller 42 is switched from the suspended state to the pressed state, so that the upper rubber roller 42 contacts the incoming material and cleans it, the second front paper roll 72 moves towards the lower rubber roller 41, so that the second front paper roll 72 can contact the lower rubber roller 41 and stick the dust and impurities on the lower rubber roller 41, to realize the cleaning of the front end of the incoming product, and then the first rear paper roll 73 and the second rear paper roll 74 are delayed by using the PLC delay technology (the PLC delay is prior art, and details are not described again), that is, the first rear paper roll 73 is delayed to move towards the upper rubber roller 42, and the second rear paper roll 74 is delayed to move towards the lower rubber roller 41, so that the film tearing and board jamming phenomenon of the end face of the incoming material is reduced, and the pass rate and product yield of the product are effectively improved.

[0053] Further, as one of the embodiments of the utility model, the glue roller 42 is provided with at least four, two of which correspond to the first front paper roll 71, and the other two correspond to the first rear paper roll 73; the glue roller 41 is provided with at least four, two of which correspond to the second front paper roll 72, and the other two correspond to the second rear paper roll 74.

[0054] Further, as one of the embodiments of the utility model, the cylinder includes the first front paper roll cylinder 81, the first rear paper roll cylinder 82, the second front paper roll cylinder 83 and the second rear paper roll cylinder 84, the first front paper roll cylinder 81 and the first rear paper roll cylinder 82 are correspondingly arranged above the paper roll mounting plate 75 in the upper paper roll group, the second front paper roll cylinder 83 and the second rear paper roll cylinder 84 are correspondingly arranged below the paper roll mounting plate 75 in the lower paper roll group, the first front paper roll cylinder 81 and the second front paper roll cylinder 83 are used to move the first front paper roll 71 and the second front paper roll 72 towards the glue roller assembly, and the first rear paper roll cylinder 82 and the second rear paper roll cylinder 84 are used to move the first rear paper roll 73 and the second rear paper roll 74 towards the glue roller assembly.

[0055] Further, as one of the embodiments of the utility model, the reset spring 45 is arranged between the floating table 44 in the glue roller assembly and the paper roll mounting plate 75 in the upper paper roll group. Before the material is fed, the glue roller 42 is suspended above the glue roller 41 with the floating table 44, after the material is fed, the front paper roll is pressed down under the action of the cylinder, the glue roller 42 is pressed down, and after cleaning, the floating table 44 is reset by the reset spring 45 to be ready for the next feeding.

[0056] Further, as one of the embodiments of the utility model, the dust removal electrostatic rod 5 is arranged between the USC brush group and the glue roller assembly in the cleaning machine body 2, the dust removal electrostatic rod 5 is provided with two, and is arranged above and below the material conveying direction respectively.

[0057] In the embodiment, the dust removal electrostatic rod 5 is used to eliminate the static electricity on the surface of the material, the foreign matters are adhered by the dust adhering glue roller, and then the foreign matters on the surface of the glue roller are transferred away by the dust adhering paper, and the static electricity elimination is more conducive to the subsequent glue roller and paper roll dust removal.

[0058] Further, as one of the embodiments of the utility model, the feeding conveying belt 11 and the discharging conveying belt 12 are arranged on the two sides of the cleaning machine body 2 respectively. The feeding conveying belt 11 is used to feed the material to be cleaned into the cleaning machine body 2, and the discharging conveying belt 12 is used to discharge the cleaned material. In the embodiment, the feeding conveying belt 11 and the discharging conveying belt 12 are exposed from the cleaning machine body 2 by 660mm.

[0059] Further, as one of the embodiments of the utility model, the brush roller, the upper paper roll group, the lower paper roll group and the rubber roller assembly are all connected with the cleaning machine body 2 through a pull-out type connection. The pull-out type connection structure is a prior art and will not be described in detail. The pull-out type connection is convenient for installation, maintenance and replacement of parts.

[0060] When the rubber roller assembly is a pull-out structure, the fixing table 43 in the rubber roller assembly is fixedly connected with the pull-out slide rail.

[0061] Further, as one of the embodiments of the utility model, the driving device comprises a motor, a transmission gear 61 and a magnetic coupling. The magnetic coupling comprises a driving magnetic head and a driven magnetic head. The motor is drivingly connected with the driving magnetic head through the transmission gear 61. The driven magnetic head is drivingly connected with the driving magnetic head through magnetic conduction. The end of the lower rubber roller 41, the feeding conveying roller and the discharging conveying roller is provided with the driven magnetic head. The magnetic coupling is a prior art and will not be described in detail.

[0062] The above embodiments are not intended to limit the shape, material, structure and the like of the utility model in any form. Any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiments are all within the protection scope of the technical scheme of the utility model.

Claims

1. A USC brush roller three-in-one cleaning dust removal machine, comprising a rack and a cleaning machine body, the cleaning machine body is installed on the top of the rack, the two sides of the cleaning machine body are respectively provided with an inlet and an outlet, and one end of the cleaning machine body is provided with a driving device, characterized in that: a USC brush group is arranged in the cleaning machine body, the USC brush group comprises a brush roller and a USC module, the USC module comprises a USC positive pressure cavity and a USC negative pressure cavity, the brush roller is used for lifting large dust particles on the surface of the material, the USC positive pressure cavity is used for flying the dust inside, and the USC negative pressure cavity is used for sucking away the dust; a rubber roller assembly and a dust sticking paper roll assembly are further arranged in the cleaning machine body and used for cleaning the material cleaned by the USC brush group; a dust collection box is arranged on one side of the rack and used for collecting the dust sucked away by the USC negative pressure cavity.

2. The USC brush roller three-in-one cleaning dust removal machine according to claim 1, characterized in that: One end of the USC positive pressure cavity is connected with a USC gas supply pipeline, one end of the USC negative pressure cavity is connected with a USC negative pressure pipeline, the USC negative pressure pipeline is connected with the dust collection box through a pipeline, a dust suction port is formed in the USC negative pressure cavity, the USC positive pressure cavity is located below the USC negative pressure cavity, and the airflow outlet of the USC positive pressure cavity faces the material.

3. The USC brush roller three-in-one cleaning dust collector according to claim 1, characterized in that: A filter cavity is arranged in the dust collection box, a filter element is arranged in the filter cavity, a negative pressure output pipe used for being connected with the USC negative pressure pipeline is arranged on the filter cavity, and the filter cavity is connected with a negative pressure fan.

4. The USC brush roller three-in-one cleaning dust removal machine according to claim 1, characterized in that: The brush roller comprises two upper brush rollers and two lower brush rollers, one USC module is correspondingly arranged above the two upper brush rollers, and one USC module is correspondingly arranged below the two lower brush rollers; and the rotating directions of the upper brush rollers and the lower brush rollers are opposite.

5. The USC brush roller three-in-one cleaning and dust removing machine according to claim 1, characterized in that: The rubber roller assembly comprises a lower rubber roller, an upper rubber roller, a fixed table and a floating table, the lower rubber roller is rotationally connected with the fixed table, and the upper rubber roller is rotationally connected with the floating table. The dust sticking paper roll assembly comprises an upper paper roll group and a lower paper roll group, the rubber roller assembly is located between the upper paper roll group and the lower paper roll group, the upper paper roll group comprises a first front paper roll and a first rear paper roll, the lower paper roll group comprises a second front paper roll and a second rear paper roll, a cylinder is arranged on each paper roll, before the material arrives, the upper rubber roller is suspended above the lower rubber roller, after the material arrives, the first front paper roll and the second front paper roll are first pressed downward by the cylinder, the first front paper roll is in contact with the upper rubber roller close to the inlet, the upper rubber roller close to the inlet is in contact with the material, the second front paper roll is in contact with the lower rubber roller close to the inlet, and then the first rear paper roll and the second rear paper roll are pressed downward by the cylinder, so that the first rear paper roll and the second rear paper roll are respectively in contact with the upper rubber roller and the lower rubber roller close to the outlet, and the upper rubber roller close to the outlet is in contact with the material.

6. The USC brush roller three-in-one cleaning and dust removing machine according to claim 5, characterized in that: The upper rubber roller comprises at least four upper rubber rollers, two upper rubber rollers correspond to the first front paper roll, and the other two upper rubber rollers correspond to the first rear paper roll; and the lower rubber roller comprises at least four lower rubber rollers, two lower rubber rollers correspond to the second front paper roll, and the other two lower rubber rollers correspond to the second rear paper roll.

7. The USC brush roller three-in-one cleaning and dust removing machine according to claim 6, characterized in that: The air cylinders include first front paper roll air cylinders, first rear paper roll air cylinders, second front paper roll air cylinders and second rear paper roll air cylinders, the first front paper roll air cylinders and the first rear paper roll air cylinders are correspondingly arranged above the paper roll mounting plates in the upper paper roll group, the second front paper roll air cylinders and the second rear paper roll air cylinders are correspondingly arranged below the paper roll mounting plates in the lower paper roll group, the first front paper roll air cylinders and the second front paper roll air cylinders are used for moving the first front paper roll and the second front paper roll towards the rubber roller assembly, and the first rear paper roll air cylinders and the second rear paper roll air cylinders are used for moving the first rear paper roll and the second rear paper roll towards the rubber roller assembly.

8. The USC brush roller three-in-one cleaning dust removal machine according to claim 7, characterized in that: Reset springs are arranged between the floating tables in the rubber roller assembly and the paper roll mounting plates in the upper paper roll group.

9. The USC brush roller three-in-one cleaning dust removal machine according to any one of claims 1-8, characterized in that: Dust removal electrostatic rods are arranged between the USC brush group and the rubber roller assembly in the cleaning machine body, two dust removal electrostatic rods are arranged above and below the material conveying direction respectively.

10. The USC brush roller three-in-one cleaning and dust removing machine according to claim 9, characterized in that: Feeding conveying belts and discharging conveying belts are arranged on the two sides of the cleaning machine body respectively.

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