Coiled material surface cleaning device

Abstract

The invention relates to the technical field of coiled material surface cleaning, in particular to a coiled material surface cleaning device which comprises a machine body, a conveying roller used for conveying coiled materials and a plasma generating mechanism used for cleaning the conveyed coiled materials are arranged on the machine body, and the conveying roller is opposite to an electrode assembly of the plasma generating mechanism. The conveying roller comprises a cylinder and an adjusting assembly, a plurality of guide grooves are evenly formed in the cylinder in the circumferential direction, the adjusting assembly comprises a driving part, an adjusting rod and a plurality of adjusting parts, the adjusting rod and the conveying roller are coaxially arranged, and the driving part drives the adjusting rod to move in the axial direction of the adjusting rod. The adjusting pieces are in one-to-one sliding fit with the guide grooves in the radial direction of the conveying roller, the adjusting pieces are hinged to the adjusting rod through connecting rods, the cleaning device promotes full and uniform contact between the coiled material and plasma, and the cleaning effect of the coiled material is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of cleaning the surface of coils, and particularly relates to a device for cleaning the surface of coils. Background Art

[0002] Plasma is an ionized gas composed of free electrons, ions, atoms and molecules, and has high energy. When these high-energy particles come into contact with the material surface, they can effectively remove organic pollutants, oxide layers and other impurities, and at the same time activate the surface chemical properties and increase the surface roughness of the material. Cleaning the printing surface of the flexible mobile phone cover plate coil by plasma technology is an efficient cleaning method, which can improve the cleanliness of the material surface, enhance the adhesion and improve the quality of subsequent processing. In the related art, when cleaning the coil by plasma, the flexible coil needs to be installed on the unwinding device of the cleaning equipment, and then according to the process requirements, a processing gas (such as argon or oxygen, etc.) is introduced, and the gas flow rate is adjusted, and the power supply is started to ionize the gas into plasma under the action of an electric field. When using the cleaning equipment in the related art to clean the coil, in order to ensure the cleaning effect of the coil surface, it is necessary to ensure the flatness of the coil surface so as not to affect the subsequent printing quality of the coil.

[0003] The patent document with the authorization announcement number CN220497081U discloses a coil plasma cleaning machine, which includes a housing, a vacuum chamber arranged in the housing, and a vacuum pump arranged outside the housing for pumping vacuum. The vacuum chamber includes a cavity and a cover plate hinged to the cavity. The cavity includes a lower bottom wall, an upper bottom wall, a front side wall, a left side wall and a right side wall. A feeding component, a winding component, a driving roller component and an electrode plate component are arranged on the front side wall. A blowing component is arranged on the lower bottom wall, and the blowing component is located below the driving roller and the electrode plate component. The blowing component includes a gas distribution box and a gas distribution plate. The gas distribution box includes a bottom plate and side plates integrally formed on the four sides of the bottom plate. The gas distribution plate is fixedly connected to the upper ends of the side plates. The gas distribution plate is provided with a plurality of blow holes communicated with the gas distribution box in an array. The cleaning machine provided by this patent document promotes the full and uniform contact between the plasma generated by the electrode plate component and the coil through the blowing component, and tightens the coil through the tensioning component during the conveying process of the coil to ensure that there is sufficient tension when the coil is conveyed, avoid the fluffiness of the coil, and ensure the full contact between the coil and the plasma.

[0004] The cleaning machine provided by the above patent document tightens the coil through the tensioning component. In the actual production process, there are certain differences in the thickness and hardness of the flexible coils used to make mobile phone covers. By the way of pressing to avoid the fluffiness of the coil relative to the roller body, in the case of thinner or less flexible coils, it is easy to cause some problems such as scratches, wrinkles or local deformation of the coil during the pressing operation, and affect the subsequent processing and use of the coil. Summary of the Invention

[0005] The present invention provides a cleaning device for the surface of a coil, aiming to solve the problem that when the plasma cleaning equipment in the related art cleans the surface of the coil, the coil is prone to be fluffy relative to the roller for conveying the coil, and the method of pressing the coil easily causes the coil to be over-tightened and damaged, which affects the subsequent processing and use of the coil.

[0006] The cleaning device for the surface of the coil of the present invention includes a machine body. A conveying roller for conveying the coil and a plasma generating mechanism for cleaning the conveyed coil are provided on the machine body. The plasma generating mechanism includes an electrode assembly. The conveying roller is opposite to the electrode assembly. The conveying roller includes a cylinder body and an adjusting assembly. A plurality of guiding grooves are evenly arranged in the circumferential direction of the cylinder body. The adjusting assembly includes a driving member, an adjusting rod and a plurality of adjusting members. The adjusting rod is coaxially arranged with the conveying roller. The driving member drives the adjusting rod to move along its own axial direction. Each adjusting member is in sliding fit with each guiding groove along the radial direction of the conveying roller one by one. Each adjusting member is respectively hinged to the adjusting rod through a connecting rod. The electrode assembly moves up and down relative to the machine body along with the sliding of the adjusting member. A connecting member is fixed to the electrode assembly. The connecting member is in longitudinal sliding fit with the machine body. An active member is fixed to the extending end of the driving member. The active member is hinged to the connecting member through a connecting rod.

[0007] The beneficial effects are as follows: The cleaning effect of the coil is improved. The adjusting assembly is convenient for adjusting the diameter of the conveying roller according to the hardness and toughness of the coil. When the driving member pushes the adjusting rod to move, the adjusting rod further pushes each adjusting member to extend or retract synchronously through the connecting rod. When the hardness of the coil is relatively large or the toughness is relatively poor and it cannot fit well with the conveying roller, each adjusting member extends relative to the cylinder body to fit with the coil, so that the coil is fully stretched, avoiding the coil being fluffy relative to the conveying roller, thereby improving the consistency of the cleaning intensity of the plasma on the coil, ensuring the cleaning effect of the coil, and avoiding the problem that the coil is damaged due to being over-pressed when the hardness or toughness of the coil is too large or too small, or the surface of the coil cannot be fully cleaned due to the coil not fitting well with the conveying roller. At the same time, the sensitivity of the cooperation between the conveying mechanism and the plasma generating mechanism is improved. The driving member can synchronously adjust the diameter of the conveying roller and the height of the electrode assembly through the active member, which is convenient for flexibly adjusting the distance between the electrode assembly and the coil according to the differences in the materials of different coils, ensuring the cleaning effect while avoiding damage to the coil caused by over-cleaning.

[0008] Preferably, there are three groups of electrode assemblies, the electrode assembly located in the middle is fixed to the connecting piece, and the two groups of electrode assemblies located on both sides are hinged to the middle electrode assembly, and the electrode assemblies on both sides are respectively fixed with guide rods that slide with the longitudinal direction of the body, and the movable part is provided with a guide part that is inclined from top to bottom in the direction close to the electrode assembly, and the guide part is movably abutted against the guide rod.

[0009] Preferably, the electrode assemblies on both sides are tilted downward in a direction away from the middle electrode assembly, and compression springs are connected to the upper sides of the electrode assemblies on both sides, and the compression springs are squeezed to store force when the electrode assemblies move upward.

[0010] The beneficial effects are as follows: optimizing the action area of ​​plasma, the three groups of electrode assemblies are arc-shaped and cover the upper side of the conveying roller, and the electrode assemblies on both sides are lifted and lowered under the sliding cooperation of the guide part and the guide rod, so that the electrode assemblies on both sides are not lifted and lowered synchronously with the middle electrode assembly, so that the electrode assemblies adapt to the change in the diameter of the conveying roller. After lifting and lowering, the angle between the electrode assemblies on both sides and the middle electrode assembly adapts to the change in the diameter of the conveying roller, that is, when the diameter of the conveying roller increases, the three groups of electrode assemblies move up as a whole, the upward movement height of the electrode assemblies on both sides is greater than the upward movement height of the middle electrode assembly, and the angle between the electrode assemblies on both sides and the middle electrode assembly increases, so that the angle of the coverage area of ​​the three groups of electrode assemblies matches the diameter of the conveying roller, thereby improving the relative balance of the spacing between the three groups of electrode assemblies and the coil, thereby promoting the relatively uniform contact between the plasma and the surface of the coil, and improving the cleaning effect of the coil.

[0011] Preferably, a connecting plate is further provided on the machine body, and the connecting plate is located on the upper side of the electrode assembly. A plurality of contacts are provided on the upper part of the connecting plate. The electrode assembly is evenly provided with a plurality of electrode emitting points along its length direction, and each of the contacts is respectively opposite to and electrically connected to each of the electrode emitting points in the longitudinal direction. A movable component and two power connectors are provided on the upper side of the connecting plate, and the movable component adjusts the connection position of the two power connectors and the contacts, and each contact between the two power connectors is in an energized state at the same time.

[0012] The beneficial effects are: it is convenient to flexibly adjust the working range of the electrode assembly, the electrode assembly is divided into a plurality of electrode emission points along its length direction, each electrode emission point is longitudinally opposite to the contact on the connecting plate and is electrically connected respectively, and the movable assembly can adjust the effective working range of the electrode assembly by adjusting the relative positions of the two electrical connections, so that the working range of the electrode assembly can be flexibly adjusted according to the width of the coil during actual operation, thereby reducing the additional damage to the surface of the conveyor roller caused by the plasma generated by the electrode assembly, and effectively extending the overall working life of the cleaning device.

[0013] Preferably, the movable component includes a motor and a lead screw. The driving end of the motor is connected to the lead screw. The lead screw is horizontally arranged above the connecting plate. The two power connection members are in threaded cooperation with the lead screw, and the thread directions of the lead screw connected to the two power connection members are opposite.

[0014] The beneficial effects are as follows: The flexibility of the movable component during operation is improved. When the motor drives the lead screw to rotate, the two power connection members move relatively closer or farther away under the action of their threaded cooperation with the lead screw. By adjusting the rotation direction and the number of rotation turns of the motor, the distance between the two power connection members can be flexibly adjusted, and then the effective working range of the electrode component can be quickly and effectively adjusted.

[0015] Preferably, the two power connection members are electrically connected to a power supply device.

[0016] Preferably, the cleaning device further includes a detection mechanism. The detection mechanism includes a control unit and multiple groups of detection components. Taking the side facing the axial direction of the conveying roller as the inner side, each group of detection components is respectively located on the outer side of each adjusting member. The detection components are used to detect the fitting state between the coil material and the outer side of the adjusting member. The control unit acquires the detection signals of each detection component and controls the driving state of the driving member according to the detection signals.

[0017] The beneficial effects are as follows: The working efficiency of the cleaning device is improved. The detection mechanism realizes real-time monitoring and automatic adjustment operations. The detection mechanism monitors the fitting state between the coil material and the outer side of the adjusting member in real time through multiple groups of detection components, and transmits the signals to the control unit. The control unit automatically adjusts the driving state of the driving member according to the detection signals, thereby realizing dynamic adjustment of the conveying roller. This real-time monitoring and automatic adjustment function can ensure that the coil material always maintains the best unfolding state during the conveying and cleaning processes; In addition, the automatic function of the detection mechanism reduces the need for manual detection and adjustment, reduces the labor cost, improves the working efficiency of the cleaning device, and at the same time, real-time monitoring and automatic adjustment can further reduce the quality problems caused by human operation errors.

[0018] Preferably, the detection component includes several detection elements. Each detection element is evenly arranged at intervals along the length direction of the adjusting member. Each detection element is a light sensor.

[0019] The beneficial effects are as follows: The detection accuracy of the detection component is improved. The light sensor can monitor the fitting state between the coil material and the outer side of the adjusting member in real time, and detect the position and fitting situation of the coil material through the change of light intensity. This detection method has the characteristics of high precision and fast response. The detection elements are evenly arranged at intervals along the length direction of the adjusting member, ensuring full coverage of the entire conveying area of the coil material, and at the same time facilitating the detection of the width of the coil material.

[0020] Preferably, the detection component is a pressure sensor.

[0021] Preferably, the outer side surfaces of the adjusting members are arc-shaped.

[0022] The beneficial effects of the present invention are as follows: (1) The cleaning effect of the coil is improved. The adjusting assembly is convenient for adjusting the diameter of the conveying roller according to the hardness and toughness of the coil. When the driving member pushes the adjusting rod to move, the adjusting rod further pushes each adjusting member to extend or retract synchronously through the connecting rod. When the hardness of the coil is relatively large or the toughness is relatively poor and it cannot be fully attached to the conveying roller, each adjusting member extends out relative to the cylinder body to be attached to the coil, so that the coil is fully stretched, avoiding the coil being fluffy relative to the conveying roller, and then improving the consistency of the cleaning intensity of the plasma on the coil, ensuring the cleaning effect of the coil, and avoiding the problem that the coil is damaged by excessive pressing when the hardness of the coil is too large or the toughness is too small, or the surface of the coil cannot be fully attached to the conveying roller, resulting in different cleaning degrees. At the same time, the sensitivity of the cooperation between the conveying mechanism and the plasma generating mechanism is improved. The driving member can synchronously adjust the diameter of the conveying roller and the height of the electrode assembly through the movable member, which is convenient for flexibly adjusting the distance between the electrode assembly and the coil according to the differences in the materials of different coils, ensuring the cleaning effect and avoiding damage to the coil caused by excessive cleaning.

[0023] (2) The action area of the plasma is optimized. The three groups of electrode assemblies are arc-shaped and cover the upper side of the conveying roller. The two side electrode assemblies move up and down under the sliding cooperation of the guiding part and the guiding rod, so that the two side electrode assemblies do not move up and down synchronously with the middle electrode assembly. After the electrode assembly is lifted or lowered to adapt to the change in the diameter of the conveying roller, the included angle between the two side electrode assemblies and the middle electrode assembly adapts to the change in the diameter of the conveying roller. That is, when the diameter of the conveying roller becomes larger, the three groups of electrode assemblies move up as a whole, the upward movement height of the two side electrode assemblies is greater than the upward movement height of the middle electrode assembly, and the included angle between the two side electrode assemblies and the middle electrode assembly becomes larger, so that the angle of the covered area of the three groups of electrode assemblies matches the diameter of the conveying roller, improving the relative balance of the distance between the three groups of electrode assemblies and the coil, and then promoting the relatively uniform contact between the plasma and the surface of the coil, and improving the cleaning effect on the coil.

[0024] (3) The working efficiency of the cleaning device is improved. The detection mechanism realizes real-time monitoring and automatic adjustment operations. The detection mechanism monitors the fitting state of the coil material and the outer side of the adjusting member in real time through multiple groups of detection components, and transmits the signal to the control unit. The control unit automatically adjusts the driving state of the driving member according to the detection signal, so as to realize the dynamic adjustment of the conveying roller. This real-time monitoring and automatic adjustment function can ensure that the coil material always maintains the best unfolding state during the conveying and cleaning processes. In addition, the automatic function of the detection mechanism reduces the need for manual detection and adjustment, reduces the labor cost, improves the cleaning efficiency of the coil material, and at the same time, the real-time monitoring and automatic adjustment can further reduce the quality problems caused by human operation errors. Brief Description of the Drawings

[0025] Figure 1 is a schematic diagram of the overall structure of the present invention.

[0026] Figure 2 is Figure 1 the front view of

[0027] Figure 3 is Figure 2 the enlarged view of part A in

[0028] Figure 4 is a schematic diagram of the structure of the conveying roller and the electrode assembly in the present invention.

[0029] Figure 5 is a schematic diagram of the structure of the conveying roller and the electrode assembly in another perspective in the present invention.

[0030] Figure 6 is a schematic diagram of the structure of the adjusting assembly in the present invention.

[0031] Figure 7 is a schematic diagram of the structure in which each adjusting member extends relative to the cylinder body in the present invention.

[0032] Reference Numerals: 1, machine body; 11, unwinding mechanism; 12, film removing mechanism; 13, winding roller; 14, guiding roller; 15, coil material; 200, conveying roller; 2, cylinder body; 21, adjusting rod; 22, adjusting member; 221, detecting member; 23, driving member; 231, moving member; 232, guiding portion; 3, electrode assembly; 31, connecting plate; 311, contact point; 32, lead screw; 33, power connection member; 34, connecting member; 35, guiding rod. Detailed Description of the Embodiment

[0033] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present invention, and should not be construed as a limitation to the present invention.

[0034] AsFigures 1 to 3 As shown in the figure, the coil surface cleaning device of the present invention includes a machine body 1, a driving source, a guiding roller 14, a conveying roller 200 and a plasma generating mechanism arranged on the machine body 1. The conveying roller 200 is used to convey the coil 15 to be cleaned. The plasma generating mechanism ionizes the gas into plasma, and the plasma directly acts on the surface of the coil 15 to clean the surface of the coil 15.

[0035] The driving source is installed on the machine body 1. The driving source can be a motor. The conveying roller 200 is rotationally assembled on the machine body 1 and can rotate around its own axis. The driving end of the driving source can be connected to the conveying roller 200 or the guiding roller 14. The driving source is used to drive the conveying mechanism to convey the coil 15. Multiple guiding rollers 14 can be provided, and each guiding roller 14 is rotationally matched with the machine body 1. The coil 15 is frictionally matched with the conveying roller 200 and each guiding roller 14. A unwinding mechanism 11 and a film removing mechanism 12 are also provided on the machine body 1. The unwinding mechanism 11 is used to unwind the coil 15, and the coil 15 is detachably fixed to the unwinding mechanism 11. The film removing mechanism 12 is used to separate and collect the film on the surface of the coil 15. A winding roller 13 for collecting the separated film is also provided on the machine body 1. Among them, the unwinding mechanism 11 and the film removing mechanism 12 belong to the prior art, and their specific structures and working methods will not be elaborated here. The plasma generating mechanism is located above the conveying roller 200. When the film-removed coil 15 is conveyed to the conveying roller 200, the plasma mechanism cleans the surface of the coil 15.

[0036] As Figures 3 to 7 shown in the figure, the plasma generating mechanism includes a gas supply component, a power supply component and an electrode component 3. The gas supply component is used to convey the gas source to provide the working gas for generating plasma. Commonly used gases include oxygen, argon, nitrogen, hydrogen, etc. A flow controller is provided on the gas supply component, and the flow controller is used to precisely control the gas flow to ensure the stability and consistency of the plasma. The power supply component applies pressure to the electrode through a high-frequency power supply (such as a radio frequency power supply or an intermediate frequency power supply) to ionize the gas into plasma. The electrode component 3 is located above the conveying roller 200 opposite to the surface of the coil 15, and plasma is uniformly generated between the electrodes. The high-energy particles in the plasma undergo physical or chemical reactions with the surface of the coil 15, thereby realizing the surface cleaning of the coil 15. Among them, the operation of the plasma generating mechanism ionizing the gas into plasma belongs to the prior art, and its specific structure will not be elaborated here.

[0037] To ensure the cleaning effect on coils 15 with different hardness and toughness, the conveying roller 200 is set to have an adjustable diameter structure, so that coils 15 with different hardness and toughness can be fully attached to the conveying roller 200, ensuring the unfolding effect of the coil 15 on the conveying roller 200, and at the same time avoiding problems such as wrinkles or local deformation of the coil 15 during the process of attaching to the conveying roller 200.

[0038] The conveying roller 200 includes a cylinder body 2 and an adjusting assembly. The cylinder body 2 is cylindrical. When the conveying roller 200 conveys the coil 15, the cylinder body 2 rotates around its axial direction. A plurality of guiding grooves are evenly arranged at intervals in the circumferential direction of the cylinder body 2, and the length direction of the guiding grooves is parallel to the axial direction of the cylinder body 2.

[0039] The adjusting assembly includes a driving member 23, an adjusting rod 21 and a plurality of adjusting members 22. The adjusting rod 21 is located inside the cylinder body 2 and is coaxially arranged with the cylinder body 2. The driving member 23 is installed on the machine body 1. The driving member 23 can be a cylinder. The driving member 23 drives the adjusting rod 21 to move along the axial direction of the cylinder body 2. Each adjusting member 22 is in sliding fit with each guiding groove one by one, and the adjusting member 22 is in sliding fit with the cylinder body 2 along the radial direction of the cylinder body 2. The adjusting member 22 is connected to the adjusting rod 21 through a connecting rod. One end of the connecting rod is hinged to the adjusting member 22, and the other end of the connecting rod is hinged to the adjusting rod 21. When the driving member 23 drives the adjusting rod 21 to move, the adjusting rod 21 pushes the adjusting member 22 to slide through the connecting rod. The adjusting member 22 extends to the outside of the cylinder body 2 and contacts the coil 15. By controlling the moving length of the adjusting rod 21, the length of the adjusting member 22 extending out of the cylinder body 2 can be adjusted, so as to meet the conveying requirements of coils 15 with different hardnesses and toughnesses, and improve the fitting degree between the coil 15 and the conveying roller 200. To further improve the fitting degree between the outer side surface of the adjusting member 22 and the coil 15, the outer side surface of the adjusting member 22 is arranged in an arc shape.

[0040] When coils 15 with different hardnesses and toughnesses are in contact with the conveying roller 200, the bending arcs are different, and there are also certain differences in the distances between the surfaces of the coils 15 and the electrode assembly 3. To further improve the cleaning effect of the plasma on coils 15 with different hardnesses and toughnesses, the distance between the electrode assembly 3 and the coil 15 and the arc of the electrode assembly 3 are adjusted according to the diameter of the conveying roller 200, so as to improve the uniformity of the contact between the plasma and the surface of the coil 15 during the cleaning operation of the coil 15.

[0041] The specific operation method is that the electrode assembly 3 is in lifting cooperation with the machine body 1. Preferably, three groups of electrode assemblies 3 are provided. For the convenience of description, the electrode assembly 3 in the middle is used as the first electrode assembly, and the electrode assemblies 3 on both sides are used as the second electrode assemblies. The two second electrode assemblies are hinged to the first electrode assembly at a position close to the bottom. The second electrode assembly can rotate relative to the first electrode assembly around the hinged position. A connecting member 34 is fixed at one end of the first electrode assembly. A longitudinal sliding groove is formed on the machine body 1. The connecting member 34 is in longitudinal sliding fit with the sliding groove. The two second electrode assemblies are inclined downward in the direction away from the first electrode assembly. The three electrode assemblies 3 are bent into an arc-like shape on the upper side of the conveying roller 200.

[0042] Each of the two second electrode assemblies is fixed with a guide rod 35. The guide rod 35 is fixed to the end of the second electrode assembly close to the body 1, and the guide rod 35 is in longitudinal sliding fit with the body 1. The extending end of the driving member 23 is fixed with a movable member 231. The movable member 231 is hinged to the connecting member 34 through a connecting rod. One end of the connecting rod is hinged to the movable member 231, and the other end of the connecting rod is hinged to the connecting member 34. When the driving member 23 pushes the movable member 231 to move, the movable member 231 pushes the connecting member 34 to slide longitudinally through the connecting rod, thereby driving the first electrode assembly to slide longitudinally relative to the body 1.

[0043] Two guiding portions 232 are fixed on the movable member 231. The two guiding portions 232 are respectively in sliding fit with the two guide rods 35. The end faces of the guiding portions 232 opposite to the guide rods 35 are inclined downward along the direction close to the electrode assembly 3 from top to bottom. The two guide rods 35 are respectively abutted against the inclined plane ends of the two guiding portions 232. When the driving member 23 extends, it pushes the first electrode assembly to move upward relative to the body 1 through the cooperation of the movable member 231 and the connecting rod, and pushes the two second electrode assemblies to move upward through the two guiding portions 232, so that there is a difference in the upward movement height between the first electrode assembly and the second electrode assembly. That is, when the diameter of the conveying roller 200 becomes larger, the three groups of electrode assemblies 3 move upward as a whole, the upward movement height of the second electrode assembly is greater than that of the first electrode assembly, and the included angle between the second electrode assembly and the first electrode assembly becomes larger, so that the angle of the covered area of the three groups of electrode assemblies 3 matches the diameter of the conveying roller 200.

[0044] Through the linkage cooperation of the driving member 23 with the movable member 231 and the guiding portion 232 on the three groups of electrode assemblies 3, when the extending end of the driving member 23 extends or retracts, the electrode assembly 3 can move longitudinally relative to the body 1 along with the extending or retracting action of the adjusting member 22. When each adjusting member 22 extends relative to the cylinder 2 to adapt to the differences in the hardness and toughness of the coil 15, the movable member 231 also pushes the first electrode assembly and the two second electrode assemblies to move upward relative to the body 1 at the same time, and adapts to change the included angle between the two second electrode assemblies and the first electrode assembly, so that the distance between the electrode assembly 3 and the coil 15 is adjusted adaptively, improving the ionization cleaning effect of coils 15 with different hardness and toughness.

[0045] A connecting plate 31 is further provided on the machine body 1. The connecting plate 31 is located above the electrode assembly 3. The two second electrode assemblies are elastically connected to the connecting plate 31. Specifically, the second electrode assembly can be connected to the connecting plate 31 through a compression spring, and the first electrode assembly is connected to the connecting plate 31 through a telescopic rod. The telescopic rod is used to guide the lifting of the first electrode assembly. When the second electrode assembly and the first electrode assembly move upward, the compression spring connecting the second electrode assembly is squeezed and stores energy. When the diameter of the conveying roller 200 adapts to the decrease in the hardness and toughness of the coil 15, the first electrode assembly and the second electrode assembly move downward relative to the machine body 1 and approach the conveying roller 200. The two second electrode assemblies rotate relative to the first electrode assembly under the pressure of the compression spring, and the included angle between the first electrode assembly and the second electrode assembly becomes smaller, automatically adapting to the conveying roller 200 with a smaller diameter. The automatic adjustment of the included angle between the first electrode assembly and the second electrode assembly enables the first electrode assembly and the second electrode assembly to better cover the coil 15, avoiding too large a difference in the distance between the first electrode assembly and the second electrode assembly and the surface of the coil 15, improving the consistency of the surface cleaning degree of coils 15 with different hardnesses and toughnesses, and thus ensuring the cleaning effect of the coil 15.

[0046] There are certain differences in the width of coils 15 of different specifications. If the width of the coil 15 is too narrow, the part of the conveying roller 200 not covered by the coil 15 will come into contact with the plasma. Long-term contact between the conveying roller 200 and the plasma will cause surface damage to it, reduce the flatness, and when conveying a wider coil 15 subsequently, it will cause scratches or abrasions on the surface of the coil 15, affecting the quality of the coil 15. To further reduce the damage caused by the plasma to the conveying roller 200, the range where the electrode assembly 3 releases the plasma is adjusted according to the width of the coil 15.

[0047] On the upper part of the connecting plate 31, there are several contacts 311. Along the length direction of the electrode assembly 3, several electrode emission points are evenly arranged. Each contact 311 is longitudinally opposite to and electrically connected with each electrode emission point. The electrode emission points in the same width direction of the three groups of electrode assemblies 3 are electrically connected. On the upper side of the connecting plate 31, there are a movable assembly and two power connection parts 33. The movable assembly adjusts the connection positions of the two power connection parts 33 with the contacts 311. Each contact 311 between the two power connection parts 33 is in an energized state simultaneously. The movable assembly includes a motor and a lead screw 32. The driving end of the motor is connected to the lead screw 32. The lead screw 32 is horizontally arranged on the upper side of the connecting plate 31. The two power connection parts 33 are in threaded cooperation with the lead screw 32, and the thread directions of the lead screw 32 connected with the two power connection parts 33 are opposite. The two power connection parts 33 are connected to a power supply device through wires. When the lead screw 32 rotates, the two power connection parts 33 approach or move away synchronously. When the distance between the two power connection parts 33 is adjusted, each contact 311 located in the interval between the two power connection parts 33 is energized and connected to each electrode emission point in this interval, so as to realize the adjustment of the plasma emission range of the electrode assembly 3, effectively reduce the additional damage caused by the plasma to the conveying roller 200 during the operation of the cleaning device, and extend the service life of the conveying roller 200.

[0048] To further improve the flexibility of the cleaning device during operation and reduce the dependence on manual operation during the cleaning process, the cleaning device further includes a detection mechanism. The detection mechanism includes a control unit and multiple groups of detection components. Taking the side facing the axial direction of the conveying roller 200 as the inner side, each group of detection components is respectively located on the outer side surface of each adjusting part 22. The detection components are used to detect the fitting state of the coil 15 with the outer side surface of the adjusting part 22. The control unit obtains the detection signals of each detection component and controls the driving state of the driving part 23 according to the detection signals.

[0049] When adjusting the diameter of the conveying roller 200 according to the toughness and hardness of the coil 15, if the coil 15 is not relatively fluffy with the conveying roller 200, the proportion of the adjusting parts 22 on the conveying roller 200 that remain in contact with the coil 15 is not less than 40%. If the proportion of the adjusting parts 22 in contact with the coil 15 is relatively low, it means that the coil 15 is not fully in contact with the conveying roller 200, and the length of the adjusting parts 22 extending out of the cylinder body 2 still needs to be further increased until a sufficient number of adjusting parts 22 are in contact with the coil 15. The detection components are used to detect the number of adjusting parts 22 in contact with the coil 15. The detection components can be pressure sensors. When the coil 15 is in contact with the adjusting parts 22, it squeezes the pressure sensors. The detection components transmit the pressure signals to the control unit. The control unit judges whether the coil 15 is fully in contact with the conveying roller 200 according to the received signals, and when the coil 15 is not fully in contact with the conveying roller 200, controls the driving part 23 to work and adjusts the extending length of the adjusting parts 22 until a sufficient number of adjusting parts 22 on the conveying roller 200 are in contact with the coil 15.

[0050] In another embodiment, the same detection component includes a plurality of detection elements 221, which can be light sensors. The detection elements 221 are evenly spaced along the length direction of the adjustment member 22. When the coil material 15 is in full contact with the adjustment member 22, the light sensor detects the change in light and transmits the signal to the control unit in a timely manner. By obtaining the signal changes of different groups of detection components, the control unit can determine the fitting state of the coil material 15 and the conveying roller 200.

[0051] Using a light sensor also facilitates the detection of the width of the coil material 15. The control center is also used to control the start of the motor in the movable component. By obtaining the signal changes of each detection element 221 on the same group of detection components, the control center can determine the length range of the coil material 15 covering the adjustment member 22, and then automatically identify the width of the coil material 15, and start the motor to rotate a certain number of turns according to the width of the coil material 15 to adjust the range of the plasma released by the adjustment electrode assembly 3.

[0052] The overall working process of the coil surface cleaning device is as follows: Place the coil material 15 to be cleaned at the unwinding mechanism 11 of the machine body 1. An operator or a traction device pulls one end of the coil material 15 to bypass each guiding roller 14 and the conveying roller 200 in sequence, and tears off the film covering at the end of the coil material 15, and connects the film to the film removing mechanism, so as to facilitate the film removing mechanism 12 to remove and collect the film on the coil material 15 before cleaning the coil material 15. When the coil material 15 bypasses the conveying roller 200, start the detection mechanism to work. The detection mechanism adjusts the extended length of each adjustment member 22 according to the hardness and toughness of the coil material 15 until the coil material 15 is fully attached to the conveying roller 200, and the electrode assembly 3 automatically adapts to the change in the diameter of the conveying roller 200 and adjusts its height from the conveying roller 200. The detection mechanism simultaneously detects the width of the coil material 15 and automatically adjusts the range where the electrode assembly 3 effectively releases plasma according to the width of the coil material 15, ensuring the effective cleaning operation of the coil material 15 while reducing unnecessary damage to the conveying roller 200 and improving the overall working life of the cleaning device. After the adjustment operation is completed, start the conveying mechanism and the plasma generating mechanism to work.

[0053] The coil surface cleaning device provided by the present invention facilitates the adjustment of the diameter of the conveying roller, the distance and angle between the electrode assembly and the coil according to the differences in the hardness and toughness of the coil, ensuring that the coil is fully unfolded during the cleaning process, promoting the uniform contact between the plasma and the coil surface, and improving the cleaning effect of the coil surface.

[0054] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. A coil surface cleaning device, comprising a machine body (1), a conveying roller (200) for conveying a coil (15) is provided on the machine body (1), and a plasma generating mechanism for cleaning the coil (15) during conveying, the plasma generating mechanism includes an electrode assembly (3), the conveying roller (200) is opposite to the electrode assembly (3), and it is characterized in that, The conveying roller (200) includes a cylinder body (2) and an adjusting assembly. A plurality of guiding grooves are evenly arranged on the circumferential direction of the cylinder body (2). The adjusting assembly includes a driving member (23), an adjusting rod (21) and a plurality of adjusting members (22). The adjusting rod (21) is coaxially arranged with the conveying roller (200). The driving member (23) drives the adjusting rod (21) to move along its own axial direction. Each adjusting member (22) is in sliding fit with each guiding groove along the radial direction of the conveying roller (200) one by one. Each adjusting member (22) is respectively hinged to the adjusting rod (21) through a connecting rod. The electrode assembly (3) moves up and down relative to the machine body (1) along with the sliding of the adjusting member (22). A connecting member (34) is fixed on the electrode assembly (3). The connecting member (34) is in longitudinal sliding fit with the machine body (1). A movable member (231) is fixed on the extending end of the driving member (23). The movable member (231) is hinged to the connecting member (34) through a connecting rod.

2. The coil surface cleaning device according to claim 1, characterized in that, There are three groups of the electrode assemblies (3). The electrode assembly (3) located in the middle is fixed to the connecting member (34). The two electrode assemblies (3) located on both sides are hinged to the electrode assembly (3) in the middle. Guide rods (35) which are in longitudinal sliding fit with the machine body (1) are respectively fixed on the two electrode assemblies (3) on both sides. A guiding portion (232) which is inclined downward along the direction close to the electrode assembly (3) is arranged on the movable member (231). The guiding portion (232) is in movable abutment with the guide rod (35).

3. The coil surface cleaning device according to claim 2, wherein, The two electrode assemblies (3) on both sides are inclined downward along the direction away from the electrode assembly (3) in the middle. Compression springs are connected to the upper sides of the two electrode assemblies (3) on both sides. When the electrode assembly (3) moves upward, the compression springs are squeezed to store energy.

4. The coil surface cleaning device according to claim 1, characterized in that, A connecting plate (31) is further arranged on the machine body (1). The connecting plate (31) is located above the electrode assembly (3). A plurality of contact points (311) are arranged on the upper part of the connecting plate (31). A plurality of electrode emission points are evenly arranged on the electrode assembly (3) along its length direction. Each contact point (311) is longitudinally opposite to and electrically connected to each electrode emission point. An activity component and two power connection members (33) are arranged on the upper side of the connecting plate (31). The activity component adjusts the connection positions of the two power connection members (33) and the contact points (311). Each contact point (311) between the two power connection members (33) is in a powered-on state simultaneously.

5. The coil surface cleaning device according to claim 4, wherein, The activity component includes a motor and a lead screw (32). The driving end of the motor is connected to the lead screw (32). The lead screw (32) is horizontally arranged on the upper side of the connecting plate (31). The two power connection members (33) are in threaded fit with the lead screw (32), and the thread directions of the lead screw (32) connected to the two power connection members (33) are opposite.

6. The coil surface cleaning device according to claim 4, characterized in that, The two power connection members (33) are electrically connected to a power supply device.

7. The coil surface cleaning device according to claim 1, characterized in that, The cleaning device further includes a detection mechanism, and the detection mechanism includes a control unit and multiple groups of detection components. Taking the side facing the axial direction of the conveying roller (200) as the inner side, each group of detection components is respectively located on the outer side surface of each of the adjusting members (22). The detection components are used to detect the fitting state between the coil material (15) and the outer side surface of the adjusting member (22), and the control unit acquires the detection signals of each detection component and controls the driving state of the driving member (23) according to the detection signals.

8. The coil surface cleaning device according to claim 7, characterized in that, The detection component includes a plurality of detection elements (221), and each of the detection elements (221) is arranged at equal intervals along the length direction of the adjusting member (22). Each of the detection elements (221) is a light sensor.

9. The coil surface cleaning device according to claim 7, characterized in that, The detection component is a pressure sensor.

10. The coil surface cleaning device according to claim 1, characterized in that, The outer side surface of each of the adjusting members (22) is arc-shaped.

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