Efficient dust removal device based on paper product processing

Abstract

This invention relates to the field of paper product processing equipment technology, and discloses a high-efficiency dust removal device for paper product processing, including a body, a first roller, a second roller, a drive mechanism, and an adjustment component. Both the first and second rollers include a central shaft and multiple base rings. Multiple mounting holes are provided on the outer circumference of the base rings, and adsorption components are installed within these mounting holes. The adsorption component includes a telescopic tube, an adsorption nozzle, and an elastic baffle. The adsorption component has a dust removal state and an adsorption state. In the dust removal state, outside air enters the first chamber through the filter holes on the elastic baffle and exits through the first air passage. After the paperboard squeezes the adsorption nozzle, the telescopic tube moves to connect the second chamber with the adsorption nozzle through an air guide hole, thus switching to the adsorption state. This device can achieve sequential switching between dust removal and adsorption, and through the cooperation of the first and second rollers, removes larger, unremoved waste materials, reducing the risk of blockage at the adsorption port and in the dust removal pipeline, and improving the continuity of dust removal and the waste removal effect.

Description

Technical Field

[0001] This invention relates to the field of paper product processing equipment technology, and in particular to a high-efficiency dust removal device for paper product processing. Background Technology

[0002] During the processing of paper products, especially after cutting, die-cutting, creasing, windowing, or pre-cutting sheet paper, paper dust, fiber debris, and some scraps that have not been completely removed are usually left on the surface and edge areas.

[0003] Existing dust removal methods mostly employ structures such as bellows blowing and suction, simple negative pressure suction, or ordinary conveyor rollers combined with airflow cleaning. Their main function is to remove floating dust and fine particles from the cardboard surface away from the processing area. While these structures are effective at cleaning lightweight floating dust, they still have the following shortcomings in actual processing: First, larger debris, locally attached residues, or undone edge waste on the cardboard surface are not easily removed directly by ordinary suction structures and tend to remain on the cardboard surface or edges. Second, if larger waste materials directly enter the adsorption channel, they can easily cause blockage of the adsorption port or negative pressure channel, thus affecting the continuity and stability of subsequent dust removal. Third, ordinary conveyor structures mainly serve the function of feeding paper and cannot simultaneously ensure that the cardboard is in a stable and controlled state during dust removal, thus hindering continuous and uniform treatment of the cardboard surface. These problems are particularly evident in continuous conveying and subsequent processing scenarios for sheet cardboard. Such subsequent processing inherently requires high production continuity, automation, and efficient workstation connections within the industry.

[0004] Furthermore, when dust and debris are present on the surface of the cardboard, if an adsorption structure is directly used to attach and convey the cardboard, fine dust and debris are likely to enter the adsorption port area first, increasing the risk of clogging the adsorption structure. Meanwhile, larger, unremoved waste materials often cannot pass smoothly through the adsorption port, resulting in a decrease in dust removal efficiency and even affecting the subsequent stable conveying of the cardboard. On the other hand, if cleaning is accomplished solely by overall blowing and suction or ordinary conveyor rollers, it is often only able to handle relatively light surface dust and cannot adequately address the removal of larger waste materials.

[0005] Therefore, there is still a need in the existing technology for a high-efficiency dust removal device for paper product processing that can preferentially remove surface dust and fine debris when the cardboard enters the processing area, and remove larger unshed waste or corner residues, thereby reducing the risk of clogging of the adsorption structure and improving the continuity and efficiency of dust removal. Summary of the Invention

[0006] The purpose of this invention is to solve the problem that existing dust removal devices, when dealing with dust, debris, and locally detached waste on the surface of cardboard, often experience blockage of the adsorption port by large amounts of waste, affecting the continuity of dust removal and the treatment effect. The invention proposes a high-efficiency dust removal device for paper product processing.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a high-efficiency dust removal device for paper product processing, comprising: a body, a first roller and a second roller rotatably mounted on the body, a drive mechanism for driving the first roller and the second roller to rotate, and an adjustment component for adjusting the distance between the first roller and the second roller; The first roller and the second roller each include a central shaft and a plurality of base rings sleeved on the outer periphery of the central shaft. Each base ring has a plurality of mounting holes on its outer periphery, and each mounting hole is provided with an adsorption component. The mounting hole is provided with a sealing ring, which divides the inner cavity of the mounting hole into a first chamber and a second chamber. The first roller and the second roller are respectively provided with a first air passage communicating with the first chamber and a second air passage communicating with the second chamber. The adsorption assembly includes a telescopic tube that can slide radially along the mounting hole, an adsorption nozzle located at the outer end of the telescopic tube, and an elastic baffle located around the adsorption nozzle. The elastic baffle is provided with a filter hole communicating with the first chamber, and the telescopic tube is provided with an air guide hole. The adsorption assembly has a dust removal state and an adsorption state: In the dust removal state, the air guide hole is sealed by the sealing ring, and outside air enters the first chamber through the filter hole and is discharged through the first air passage; In the adsorption state, the cardboard squeezes the adsorption nozzle to move the telescopic tube into the mounting hole, the air guide hole is connected to the second chamber, and the second air passage is connected to the outside through the second chamber, the air guide hole and the adsorption nozzle, so as to perform negative pressure adsorption on the cardboard through the adsorption nozzle, so that the cardboard adheres to the surface of the first roller and rotates with it.

[0008] Preferably, the adsorption assembly further includes a soft plug, and the surface of the first roller is provided with a non-adsorption area corresponding to the die-cut position on the paperboard surface. The soft plug is disposed in the corresponding adsorption nozzle within the non-adsorption area to block the corresponding adsorption nozzle.

[0009] Preferably, the negative pressure adsorption capacity of the second air channel corresponding to the first roller is greater than that of the second air channel corresponding to the second roller, so that the paperboard body is adsorbed onto the surface of the first roller, and in conjunction with the function of the non-adsorption area, the waste material that has not fallen off the paperboard is adsorbed onto the surface of the second roller.

[0010] Preferably, the telescopic tube is slidably inserted into the sealing ring, and the air guide hole is located within the coverage area of ​​the sealing ring when the telescopic tube is in its initial position, and enters the second chamber after the telescopic tube moves into the mounting hole.

[0011] When the telescopic tube is in its initial position, the elastic baffle supports the suction nozzle, so that the end of the suction nozzle is higher than the outermost contour surface of the base ring.

[0012] Preferably, a polygonal positioning shaft is fixedly provided at the end of the telescopic tube away from the suction nozzle, and a threaded sleeve is slidably provided on the outer periphery of the polygonal positioning shaft. The threaded sleeve is threadedly connected to the bottom of the mounting hole to adjust the initial position of the telescopic tube.

[0013] Preferably, the machine body is provided with a vision detection component, which is used to detect whether there is any unremoved waste material on the cardboard attached to the surface of the first roller.

[0014] Preferably, it also includes a control unit, which is electrically connected to the vision detection component and the drive mechanism; when the vision detection component detects that there is unremoved waste on the cardboard, the control unit controls the first roller and the second roller to continue rotating in order to remove the waste from the cardboard again.

[0015] If unremoved waste is still detected on the cardboard after the waste has been removed again, the control unit controls the solenoid valve connected to the second air passage of the first roller to close or switch, so that the cardboard is conveyed away from the first roller along a preset path.

[0016] The present invention has the following beneficial effects: 1. This invention sets up a dust removal state and an adsorption state in the same adsorption component, so that when the cardboard enters the processing area, the adsorption component first performs pre-dust removal through the filter holes and the first air channel, and then switches to the negative pressure adsorption state after the cardboard squeezes the adsorption nozzle. This achieves the sequential switching between dust removal and adsorption, so that fine dust and debris are preferentially discharged through the dust removal channel, and provides conditions for the separate removal of larger waste materials.

[0017] 2. This invention completes the initial dust removal process before the adsorption nozzle is opened, so that dust and debris on the surface of the cardboard are preferentially discharged through the filter holes and the first air channel, avoiding dust and waste from directly entering the adsorption nozzle in the initial contact stage, thereby reducing the risk of adsorption nozzle blockage and improving the continuity and stability of the adsorption structure.

[0018] 3. The present invention uses the cooperation of the first and second rollers to allow fine dust and debris to be discharged through the filter holes and the first air passage, while larger waste materials that have not fallen off are carried away separately by the second roller after being adsorbed and held by the cardboard. This achieves graded treatment of residues of different sizes and avoids larger waste materials from entering the dust removal system and related pipelines, reducing the risk of blockage.

[0019] 4. By setting a non-adsorption area corresponding to the die-cutting position and combining it with a vision detection component to detect the waste removal status, this invention can avoid accidentally adsorbing waste areas of cardboard while reprocessing the waste that has not been removed, thereby improving the accuracy and reliability of waste removal and further enhancing the automation effect of the device.

[0020] 5. In this invention, the end of the suction nozzle is higher than the surface of the roller, and the elastic baffle provides supporting elasticity, so that the cardboard is supported by the suction nozzle in the initial stage of entering the processing area, and a local gap is formed between the cardboard and the roller surface. As the cardboard is squeezed between the two rollers, it gradually adheres to the surface of the first roller under the negative pressure formed by the first air passage through the first chamber and filter holes, and the entire cardboard is attached to the surface of the first roller. The exposed extension and retraction of the suction nozzle and the formation of the local gap are beneficial to the lifting of the remaining waste material relative to the cardboard body and its capture and removal by the second roller. On the other hand, when releasing the cardboard, it is beneficial to allow air to enter between the cardboard and the roller surface, so that the cardboard can more easily detach from the roller surface, ensuring the smoothness and speed of cardboard conveying. Attached Figure Description

[0021] Figure 1 This is a front-view three-dimensional structural diagram of the dust removal device proposed in this invention.

[0022] Figure 2 This is a rear-view three-dimensional structural diagram of the dust removal device proposed in this invention.

[0023] Figure 3 This is a three-dimensional structural diagram of the first roller proposed in this invention.

[0024] Figure 4 This is a schematic diagram of a partially cross-sectional three-dimensional structure of the base ring proposed in this invention.

[0025] Figure 5 This is a cross-sectional three-dimensional structural diagram of the mounting hole proposed in this invention.

[0026] Figure 6 This is a partial cross-sectional three-dimensional structural diagram of the adsorption component proposed in this invention.

[0027] Figure 7 This is a side cross-sectional view of the adsorption component proposed in this invention.

[0028] Figure 8 This is a side view of the first roller structure proposed in this invention.

[0029] Figure 9 This is a schematic diagram of the cross-sectional structure of the first roller and the second roller proposed in this invention, wherein the cardboard is input into the processing area between the first roller and the second roller.

[0030] Figure 10This is a cross-sectional view of the first and second rollers proposed in this invention, wherein the cardboard is conveyed away from the first roller along a preset path.

[0031] Figure 11 This is a schematic diagram of the cross-sectional structure of the first roller and the second roller proposed in this invention, wherein the paperboard is output from the processing area between the first roller and the second roller.

[0032] In the picture: 100. Machine body; 101. First roller; 102. Second roller; 103. Drive mechanism; 104. Adjustment assembly; 200. Central shaft; 201. Rotary joint; 300, base ring; 301, mounting hole; 302, sealing ring; 303, first chamber; 304, second chamber; 305, first air passage; 306, second air passage; 401. Telescopic tube; 402. Suction nozzle; 403. Elastic baffle; 404. Air guide hole; 405. Soft plug; 406. Polygonal positioning shaft; 407. Threaded sleeve; 408. Filter hole; 500. Visual inspection components. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0034] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0035] Example 1 like Figure 1 , Figure 2As shown, a high-efficiency dust removal device for paper product processing includes a body 100, a first roller 101 and a second roller 102 rotatably mounted on the body 100, a drive mechanism 103 for driving the first roller 101 and the second roller 102 to rotate, and an adjustment component 104 for adjusting the distance between the first roller 101 and the second roller 102. The drive mechanism 103 may include at least one of a servo motor, a transmission wheel set, a synchronous belt assembly, or a coupling assembly. The drive mechanism 103 includes two sets of drive units, which are used to independently drive the first roller 101 and the second roller 102 to rotate, so that the first roller 101 and the second roller 102 can rotate synchronously or differentially, thereby adjusting the speed relationship between the two rollers according to the paperboard processing requirements. The adjustment component 104 includes a slide, a guide rail, and a servo electric cylinder. The first roller 101 is rotatably mounted on the slide, and the slide is slidably mounted on the machine body 100. The servo electric cylinder is used to drive the slide to move along the guide rail to adjust the distance between the first roller 101 and the second roller 102. One set of drive units is mounted on the slide so that the first roller 101 can still be driven to rotate after the first roller 101 moves with the slide.

[0036] like Figure 3 , Figure 4 As shown, the first roller 101 and the second roller 102 have the same structure, both including a central shaft 200 and multiple base rings 300 sleeved on the outer periphery of the central shaft 200. The base rings 300 are arranged sequentially along the axial direction of the central shaft 200 to form the outer peripheral working surface of the corresponding roller. Each base ring 300 has multiple mounting holes 301 on its outer periphery, preferably arranged in a ring array along the circumference of the base ring 300. Adsorption components are installed within the mounting holes 301 to achieve dust removal and adsorption during the paperboard processing.

[0037] Among them, such as Figure 5 As shown, a sealing ring 302 is provided inside the mounting hole 301, which divides the inner cavity of the mounting hole 301 into a first chamber 303 and a second chamber 304. The first roller 101 and the second roller 102 are respectively provided with a first air passage 305 communicating with the first chamber 303 and a second air passage 306 communicating with the second chamber 304. Since the base rings 300 are arranged sequentially along the axial direction of the central axis 200, the first chamber 303 and the second chamber 304 on each base ring 300 are respectively connected to the first air passage 305 and the second air passage 306 in the corresponding roller.

[0038] Specifically, such as Figure 8As shown, both the first roller 101 and the second roller 102 have rotary joints 201 at their ends on the central shafts 200. An external negative pressure source is connected to the first air duct 305 and the second air duct 306 respectively through a solenoid valve assembly and the rotary joints 201. The external negative pressure source can be one or more combinations of a negative pressure pump assembly, an exhaust fan, a vacuum generator, or a centralized dust removal negative pressure system. The first air duct 305 is used to form a dust removal airflow channel, and the second air duct 306 is used to form an adsorption negative pressure channel. The solenoid valve assembly is used to control the negative pressure on / off and the negative pressure intensity of the first air duct 305 and the second air duct 306 respectively, so as to provide negative pressure to the first air duct 305 when dust removal is needed, provide negative pressure to the second air duct 306 when paperboard needs to be adsorbed, and cut off or switch the negative pressure of the corresponding first air duct 305 and second air duct 306 when the paperboard needs to be released or diverted.

[0039] like Figure 5 , Figure 6 As shown, the adsorption assembly includes a telescopic tube 401 that can slide radially along the mounting hole 301, an adsorption nozzle 402 located at the outer end of the telescopic tube 401, and an elastic baffle 403 located around the adsorption nozzle 402. The telescopic tube 401 is provided with an air guide hole 404. The elastic baffle 403 is provided with a filter hole 408 that communicates with the first chamber 303.

[0040] Therefore, the adsorption component has two working states: dust removal state and adsorption state. In dust removal mode, refer to Figure 7 The air vent 404 is sealed by the sealing ring 302, and the second air passage 306 is not connected to the suction nozzle 402. Outside air enters the first chamber 303 through the filter hole 408 on the elastic baffle 403 and is discharged through the first air passage 305, thereby preferentially removing dust and fine debris from the surface of the cardboard.

[0041] In the adsorption state, when the cardboard enters between the first roller 101 and the second roller 102 and squeezes the adsorption nozzle 402, the telescopic tube 401 moves into the mounting hole 301, the air guide hole 404 communicates with the second chamber 304, and the second air passage 306 communicates with the outside world through the second chamber 304, the air guide hole 404 and the adsorption nozzle 402, thereby adsorbing the cardboard with negative pressure through the adsorption nozzle 402, so that the cardboard adheres to the surface of the first roller 101 and rotates with it.

[0042] In this embodiment, as Figure 5 , Figure 6As shown, to facilitate adjustment of the initial position of the telescopic tube 401, a polygonal positioning shaft 406 is fixedly provided at the end of the telescopic tube 401 away from the suction nozzle 402. A threaded sleeve 407 is slidably provided on the outer circumference of the polygonal positioning shaft 406, and the threaded sleeve 407 is threadedly connected to the bottom of the mounting hole 301. By rotating the threaded sleeve 407, the initial extension length of the telescopic tube 401 in the mounting hole 301 can be adjusted, thereby adjusting the initial position of the suction nozzle 402 relative to the surface of the base ring 300 to adapt to cardboard of different thicknesses or rigidities.

[0043] The polygonal positioning shaft 406 and the threaded sleeve 407 are fitted with a limiting fit to prevent the telescopic tube 401 from rotating circumferentially relative to the threaded sleeve 407, so that the telescopic tube 401 moves only radially along the mounting hole 301, thereby ensuring the stability of the fit between the air guide hole 404, the sealing ring 302, and the second chamber 304.

[0044] The working process of this embodiment is as follows: like Figure 7 , Figure 9 As shown, when the cardboard enters the processing area between the first roller 101 and the second roller 102, the adsorption assembly is initially in the dust removal state. At this time, the dust and fine debris on the surface of the cardboard are initially removed through the filter hole 408 and the first air channel 305. As the cardboard further enters the processing area and is pressed against the adsorption nozzle 402, the adsorption assembly switches to the adsorption state. The cardboard is adsorbed by negative pressure through the second air channel 306 and the adsorption nozzle 402, so that the cardboard is attached to the surface of the first roller 101 and rotates with the first roller 101.

[0045] Therefore, this embodiment sets up a dust removal state and an adsorption state in the same adsorption component, so that when the cardboard enters the processing area, it is first dusted and then adsorbed, thereby realizing the sequential switching of dust removal and adsorption.

[0046] Example 2 Based on Example 1, this example further illustrates the principle of graded treatment and anti-clogging for residues of different sizes in this invention.

[0047] During paper product processing, especially after cardboard is cut, die-cut, or pre-cut, its surface may contain not only fine dust and debris, but also larger unremoved waste materials or edge residues. If a single adsorption channel is used to remove all residues directly, the larger waste materials can easily clog the adsorption channel, affecting the continuity and stability of the dust removal system.

[0048] In this embodiment, the first air duct 305 and the second air duct 306 perform different functions. The first air duct 305 is mainly used to discharge fine dust and debris in the dust removal state, while the second air duct 306 is mainly used for negative pressure adsorption of the cardboard in the adsorption state. Figure 7As shown, since the adsorption component is in the dust removal state in the initial stage, the adsorption nozzle 402 is not opened. Fine dust and debris on the cardboard surface are preferentially discharged through the filter hole 408 and the first air channel 305. Therefore, fine particles will not directly enter the adsorption nozzle 402 in the early stage.

[0049] Meanwhile, reference Figure 9 Larger, unshed waste materials are too large to easily pass through the filter holes 408 into the first air passage 305, so they will not be discharged through the dust removal passage. Instead, after the cardboard adheres to the surface of the first roller 101, it will be removed by the cooperation of the first roller 101 and the second roller 102.

[0050] Specifically, in this embodiment, the negative pressure adsorption capacity of the second air passage 306 corresponding to the first roller 101 is greater than that of the second air passage 306 corresponding to the second roller 102, so that the cardboard body is preferentially adsorbed onto the surface of the first roller 101. The negative pressure adsorption capacity can be achieved by adjusting the difference in the opening degree of each solenoid valve in the solenoid valve group. Larger unshed waste or corner residues located on the surface of the cardboard are more easily adsorbed and separated from the cardboard body in the corresponding area of ​​the second roller 102 during the relative rotation of the first roller 101 and the second roller 102. Then, they are removed from the cardboard body as the second roller 102 rotates and fall into the collection area below the machine body 100.

[0051] In other words, this embodiment forms two different processing paths: one is a dust removal path for fine dust and debris, which enters the first chamber 303 through the filter hole 408 and is discharged through the first air passage 305; the other is a removal path for larger, unshed waste, which is that the first roller 101 holds the cardboard body, and the second roller 102 captures and removes the larger waste.

[0052] Therefore, this embodiment can achieve graded treatment of residues of different sizes, avoid larger waste materials from entering the dust removal system and related pipelines, reduce the risk of blockage, and improve the continuity and stability of the device operation.

[0053] Example 3 Based on Examples 1 and 2, this example further illustrates the functions of the non-adsorption area, the removal of die-cutting waste, and the adsorption nozzle 402 being above the roller surface.

[0054] In this embodiment, as Figure 8As shown, the adsorption assembly also includes a soft plug 405. The surface of the first roller 101 is provided with a non-adsorption area corresponding to the die-cut position on the cardboard surface. The soft plug 405 is disposed in the corresponding adsorption nozzle 402 within the non-adsorption area to block the corresponding adsorption nozzle 402. The shape and position of the non-adsorption area can be adjusted according to the shape and position of the die-cut area or the corner waste area on the cardboard surface, thereby meeting the processing needs of waste from different areas and different shapes. By setting the non-adsorption area, the adsorption nozzle 402 at the corresponding position can be prevented from mistakenly adsorbing the cardboard at a specific die-cut position, making it easier for the local corner waste of the cardboard in this area to separate from the cardboard body.

[0055] Furthermore, such as Figure 9 As shown, in this embodiment, the negative pressure adsorption capacity of the second air channel 306 corresponding to the first roller 101 is greater than that of the second air channel 306 corresponding to the second roller 102, so that the cardboard body is preferentially adsorbed onto the surface of the first roller 101; at the same time, under the action of the non-adsorption area, the waste material that has not fallen off the cardboard is more easily adsorbed and carried away by the corresponding area of ​​the second roller 102.

[0056] It should be noted that, as Figure 7 As shown, when the telescopic tube 401 is in its initial position, the elastic baffle 403 supports the suction nozzle 402, making the end of the suction nozzle 402 higher than the outermost contour surface of the base ring 300. Therefore, when the cardboard enters the processing area, it does not immediately and completely adhere to the surface of the first roller 101. Instead, it is initially supported by the suction nozzle 402 and the elastic baffle 403, creating a local gap between the cardboard and the surface of the first roller 101 or the second roller 102.

[0057] As the cardboard is squeezed between the first roller 101 and the second roller 102, and under the negative pressure formed by the first air passage 305 through the first chamber 303 and the filter hole 408, it gradually approaches the surface of the first roller 101, and the entire cardboard gradually adheres to the surface of the first roller 101. When the cardboard further squeezes the suction nozzle 402, the telescopic tube 401 moves into the mounting hole 301, and the air guide hole 404 connects with the second chamber 304, so that the suction nozzle 402 enters a negative pressure suction state. Thus, the auxiliary suction effect formed by the first air passage 305 through the filter hole 408 and the main suction effect formed by the second air passage 306 through the suction nozzle 402 work together to reliably adhere the cardboard to the surface of the first roller 101 and rotate with the first roller 101.

[0058] The exposed telescopic design of the suction nozzle 402 and the formation of local gaps serve the following two purposes: Firstly, the end of the suction nozzle 402 is higher than the outermost contour surface of the base ring 300, which is conducive to the local lifting or outward turning of the cardboard in the die-cutting waste area, making it easier for the unshed corner waste to separate from the cardboard body and be captured and carried away by the corresponding area of ​​the second roller 102. Secondly, during the cardboard release stage, the exposed support at the end of the suction nozzle 402 helps to form an air intake gap between the cardboard and the surface of the first roller 101, allowing outside air to enter between the cardboard and the surface of the first roller 101. This prevents the cardboard from being too tightly attached and difficult to detach from the surface of the first roller 101, making it easier for the cardboard to leave the first roller 101 and ensuring the smoothness and speed of the cardboard conveying process.

[0059] Example 4 Based on Examples 1 to 3, this example further illustrates the automatic control process for visual inspection and secondary processing.

[0060] In this embodiment, as Figure 1 , Figure 2 As shown, the machine body 100 is equipped with a vision inspection component 500, which includes an industrial camera, a light source, a mounting bracket, and an image processing module. The vision inspection component 500 is used to detect whether there is any unremoved waste material on the cardboard attached to the surface of the first roller 101. The vision inspection component 500 is preferably positioned above the cardboard detection area corresponding to the first roller 101, so that when the cardboard rotates with the first roller 101 to the predetermined detection station, it can photograph and identify the die-cut area or the area where waste material is likely to remain on the cardboard surface.

[0061] This embodiment also includes a control unit, which is electrically connected to the vision detection component 500 and the drive mechanism 103. When the vision detection component 500 detects unremoved waste on the cardboard, the control unit controls the first roller 101 and the second roller 102 to continue rotating, maintaining the negative pressure adsorption state of the first roller 101 corresponding to the second air passage 306, so that the cardboard continues to adhere to the surface of the first roller 101 and rotates with the first roller 101. Figure 9 As shown, the cardboard is passed through the processing area between the first roller 101 and the second roller 102 again, thereby removing waste from the cardboard again.

[0062] If, after the waste is removed again, the vision detection component 500 still detects unremoved waste on the cardboard, the control unit controls the solenoid valve connected to the second air passage 306 of the first roller 101 to close or switch, thereby releasing the first roller 101 from adhering to the cardboard. Figure 10 As shown, the cardboard then leaves the first roller 101 along a preset abnormal path so that it can be manually processed or enter a subsequent abnormal processing station.

[0063] If the vision inspection component 500 detects that the waste material on the cardboard has been removed, such as Figure 11As shown, the control unit controls the solenoid valve to close or switch, so as to release the adsorption of the cardboard by the first roller 101 and the second roller 102, and in conjunction with the rotation of the first roller 101 and the second roller 102, so that the cardboard is conveyed to the next process along the normal conveying path.

[0064] In this embodiment, the visual inspection component 500 works in conjunction with the control unit to enable the device to perform online detection of waste removal and to implement re-removal or abnormal diversion based on the detection results, thereby improving the reliability of waste removal and the degree of automation of the device.

[0065] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A high-efficiency dust removal device for paper product processing, characterized in that, include: The machine body (100), a first roller (101) and a second roller (102) rotatably mounted on the machine body (100), a drive mechanism (103) for driving the first roller (101) and the second roller (102) to rotate, and an adjustment component (104) for adjusting the distance between the first roller (101) and the second roller (102). The first roller (101) and the second roller (102) both include a central shaft (200) and a plurality of base rings (300) sleeved on the outer periphery of the central shaft (200). Each base ring (300) has a plurality of mounting holes (301) on its outer periphery, and each mounting hole (301) is provided with an adsorption component. A sealing ring (302) is provided in the mounting hole (301). The sealing ring (302) divides the inner cavity of the mounting hole (301) into a first chamber (303) and a second chamber (304). The first roller (101) and the second roller (102) are respectively provided with a first air passage (305) communicating with the first chamber (303) and a second air passage (306) communicating with the second chamber (304). The adsorption assembly includes a telescopic tube (401) that can slide radially along the mounting hole (301), an adsorption nozzle (402) located at the outer end of the telescopic tube (401), and an elastic baffle (403) located around the adsorption nozzle (402). The elastic baffle (403) is provided with a filter hole (408) communicating with the first chamber (303), and the telescopic tube (401) is provided with an air guide hole (404). The adsorption assembly has a dust removal state and an adsorption state: In the dust removal state, the air guide hole (404) is closed by the sealing ring (302), and the outside air enters the first chamber (303) through the filter hole (408) and is discharged through the first air passage (305); In the adsorption state, the cardboard squeezes the adsorption nozzle (402) to move the telescopic tube (401) into the mounting hole (301), the air guide hole (404) is connected to the second chamber (304), and the second air passage (306) is connected to the outside through the second chamber (304), the air guide hole (404) and the adsorption nozzle (402) so that the cardboard is adsorbed by negative pressure through the adsorption nozzle (402), so that the cardboard is attached to the surface of the first roller (101) and rotates with it.

2. The high-efficiency dust removal device for paper product processing according to claim 1, characterized in that: The adsorption assembly also includes a soft plug (405). The surface of the first roller (101) is provided with a non-adsorption area corresponding to the die-cut position on the paperboard surface. The soft plug (405) is disposed in the corresponding adsorption nozzle (402) in the non-adsorption area to block the corresponding adsorption nozzle (402).

3. The high-efficiency dust removal device for paper product processing according to claim 2, characterized in that: The negative pressure adsorption capacity of the second air channel (306) corresponding to the first roller (101) is greater than that of the second air channel (306) corresponding to the second roller (102), so that the cardboard body is adsorbed onto the surface of the first roller (101), and in conjunction with the function of the non-adsorption area, the waste material that has not fallen off the cardboard is adsorbed onto the surface of the second roller (102).

4. The high-efficiency dust removal device for paper product processing according to claim 1, characterized in that: The telescopic tube (401) slides through the sealing ring (302). The air guide hole (404) is located within the coverage area of ​​the sealing ring (302) when the telescopic tube (401) is in the initial position. After the telescopic tube (401) moves into the mounting hole (301), it enters the second chamber (304).

5. The high-efficiency dust removal device for paper product processing according to claim 4, characterized in that: When the telescopic tube (401) is in its initial position, the elastic baffle (403) supports the suction nozzle (402), so that the end of the suction nozzle (402) is higher than the outermost contour surface of the base ring (300).

6. The high-efficiency dust removal device for paper product processing according to claim 5, characterized in that: The telescopic tube (401) is fixedly provided with a polygonal positioning shaft (406) at one end away from the suction nozzle (402). A threaded sleeve (407) is slidably provided on the outer periphery of the polygonal positioning shaft (406). The threaded sleeve (407) is threadedly connected to the bottom of the mounting hole (301) to adjust the initial position of the telescopic tube (401).

7. The high-efficiency dust removal device for paper product processing according to claim 1, characterized in that: The machine body (100) is provided with a vision inspection component (500), which is used to detect whether there is any unremoved waste material on the cardboard attached to the surface of the first roller (101).

8. A high-efficiency dust removal device for paper product processing according to claim 7, characterized in that: It also includes a control unit, which is electrically connected to the vision detection component (500) and the drive mechanism (103); when the vision detection component (500) detects that there is unremoved waste on the cardboard, the control unit controls the first roller (101) and the second roller (102) to continue rotating in order to remove the waste from the cardboard again.

9. A high-efficiency dust removal device for paper product processing according to claim 8, characterized in that: If unremoved waste is still detected on the cardboard after the waste is removed again, the control unit controls the solenoid valve connected to the second air passage (306) of the first roller (101) to close or switch, so that the cardboard is conveyed away from the first roller (101) along a preset path.

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