Roller wiping equipment and roller press

Abstract

The invention discloses roller wiping equipment and a roller press, relates to the technical field of battery production, and aims to solve the problem that a roller surface cannot be wiped cleanly. The roller wiping equipment is used for wiping the roller surface of the roller press and comprises a first wiping piece, an atomization device and a liquid storage device, the first wiping piece is used for wiping the roller surface of the roller press, and the liquid storage device is used for storing cleaning liquid. The atomization device can comprise a first inlet and a first outlet, the first inlet is communicated with the liquid storage device, and the first outlet faces the first wiping piece.

Description

Technical Field

[0001] The present application relates to the technical field of battery production, and in particular to a wiping roller device and a roller press. Background Art

[0002] With the rapid development of science and technology, it has become particularly important to find an efficient, sustainable and environmentally friendly way to store energy. Lithium batteries, with their advantages such as high energy density, long cycle life and low self-discharge rate, have become the core force driving the rapid development of electronic devices, electric vehicles and even energy storage systems.

[0003] In the battery pole piece rolling process, the surface slurry will adhere to the roller surface under the pressure of the roller due to low surface adhesion or the existence of material falling and wrinkles. If it is not cleaned in time or not cleaned thoroughly, it will cause defects such as pits and sticking in the pole pieces produced subsequently, causing the pole pieces to be scrapped.

[0004] The existing technology mostly uses oil-impregnated non-woven fabric wiping rollers, where the non-woven fabric roll coated with silicone oil is installed on the unwinding shaft, the motor drives the non-woven fabric winding shaft to rotate, and the laminating roller closely adheres the non-woven fabric to the roller surface to wipe the roller surface. However, since the proportion of silicone oil usage needs to be strictly controlled, it is easy to cause secondary pollution and other reasons, which easily leads to the problem of not wiping the roller surface cleanly. Summary of the invention

[0005] The purpose of the present application is to provide a roller wiping device and a roller press, aiming to solve the problem of the roller surface not being wiped cleanly.

[0006] In order to achieve the above object, the present invention adopts the following technical scheme:

[0007] In a first aspect, an embodiment of the present application provides a wiping roller device for wiping the roller surface of a roller press, the wiping roller device may include a first wiping piece for wiping the roller surface, an atomizing device having a first inlet and a first outlet, and a liquid storage device for storing a cleaning liquid, wherein the first inlet is connected to the liquid storage device, and the first outlet is arranged toward the first wiping piece.

[0008] The wiping roller device provided in the embodiment of the present application includes a first wiping member, an atomizing device having a first inlet and a first outlet, and a liquid storage device for storing cleaning liquid, wherein the first inlet is connected to the liquid storage device, and the first outlet is arranged toward the first wiping member, so that the cleaning liquid in the liquid storage device can enter the atomizing device through the first inlet, and the cleaning liquid is dispersed into tiny droplets through the atomizing device, and then sprayed onto the first wiping member through the first outlet to clean the roller surface. Since the cleaning liquid is atomized into tiny droplets, it can effectively penetrate into the part to be cleaned, thereby more thoroughly removing the stains on the roller surface and enhancing the cleaning effect.

[0009] In some embodiments, the wiping roller device may also include a high-pressure fan, the atomization device may be provided with a connecting channel connected to both the first inlet and the first outlet, and a first air inlet connected to the connecting channel, and the air outlet of the high-pressure fan is connected to the first air inlet.

[0010] The high-pressure fan can discharge a high-pressure airflow. Since the first air inlet is connected to the connecting channel, the high-pressure airflow can enter the connecting channel. The cleaning liquid in the connecting channel is sprayed out through the first outlet under the action of the high-pressure airflow and dispersed into small droplets, thereby realizing the atomization of the cleaning liquid.

[0011] In some embodiments, the wiping roller device may further include an air outlet channel, one end of which is connected to the air outlet of the high-pressure blower and the other end of which faces the first wiping member.

[0012] The high-pressure airflow from the high-pressure fan can be sprayed to the first wiping member through the air outlet channel. In this way, due to the pressure of the airflow, the first wiping member can be brought into contact with the roller surface, so that the cleaning liquid can penetrate into the roller surface and directly act on the dirt itself, thereby improving the wiping effect and making the roller surface wiped cleaner.

[0013] In some embodiments, the first wiping member is a porous structure, so that the gas flowing out of the air outlet channel can pass through the first wiping member.

[0014] Since the first wiping piece has a porous structure, when the high-pressure airflow is blown out to the first wiping piece through the air outlet channel, the cleaning liquid on the first wiping piece can be blown out onto the roller surface and the cleaning liquid can be evenly diffused on the roller surface, thereby facilitating the cleaning liquid to act on the dirt itself, penetrate deep into the dirt, and improve the wiping effect.

[0015] In some embodiments, the wiping roller device may further include a first opening and closing valve disposed on the air outlet channel, and the first opening and closing valve is used to control the connection or closing of the air outlet channel.

[0016] In this way, the first opening and closing valve can control whether the high-pressure airflow is sprayed to the first wiping member, so as to adjust the wiping state and adjust the wiping process according to the actual situation. In addition, if the first wiping member is blown all the time, the cleaning liquid will be lost and the wiping effect will be poor. The first opening and closing valve is provided to blow the first wiping member at intervals, so as to play the strengthening effect of blowing to make the cleaning liquid act on the dirt itself.

[0017] In some embodiments, the first on-off valve may be a pulse electromagnetic valve. In this way, the first on-off valve can be controlled to be on and off at intervals without manual control of the first on-off valve, thereby achieving intermittent air blowing and improving the cleaning effect. In addition, pulse air blowing can also prevent the first wiping member made of non-woven fabric or cotton cloth from wrinkling due to continuous air blowing, thereby avoiding uneven wiping.

[0018] In some embodiments, the wiping roller device may further include a spray device disposed between the first wiping member and the first outlet. The spray device may evenly spray the atomized droplets ejected from the first outlet onto the first wiping member, thereby making the cleaning liquid more evenly infiltrated.

[0019] In some embodiments, the spray device may be a porous composite plate. Since the porous composite plate has a large number of tiny hole structures inside, the cleaning liquid can be sprayed out through these hole structures under the action of high-pressure airflow, thereby making the cleaning liquid more evenly dispersed on the first wiping member, improving the wiping effect and making the roller surface wiped more cleanly.

[0020] In some embodiments, the wiping roller device may further include a first driving device that is transmission-connected to the spray device, and the first driving device is used to adjust the position of the spray device. The first driving device can be used to adjust the position of the spray device. When wiping and cleaning are required, the first driving device drives the spray device to approach the first wiping member, thereby providing the first wiping member with cleaning liquid and high-pressure airflow. When wiping is not required, the first driving device drives the spray device away from the first wiping member.

[0021] In some embodiments, the wiping roller device may further include a pressing mechanism, which is arranged on the side of the first wiping member away from the roller surface. The pressing mechanism can be used to squeeze the first wiping member to fit the roller surface, thereby increasing the force between the first wiping member and the roller surface, helping to erase stubborn stains on the roller surface and improving the wiping effect.

[0022] In some embodiments, the pressing mechanism includes a second driving device and a pressing member, and the second driving device is in driving connection with the pressing member so that the pressing member abuts against the first wiping member. The second driving device can provide a pressing force for the pressing member, so that the pressing member can generate pressure on the first wiping member, and then the first wiping member can generate pressure on the roller surface, so that the effect of erasing stains can be improved and wiping can be made cleaner.

[0023] In some embodiments, the pressing member can be rollably abutted against the first wiping member. In this way, when the first wiping member moves, the pressing member can roll relative to the first wiping member, thereby preventing the pressing member from pulling and deforming the first wiping member.

[0024] In some embodiments, the pressing member may include a roller or a fine rubber roller. The roller and the fine rubber roller may be in rolling contact with the first wiping member, thereby reducing friction and wear, reducing the pulling deformation of the first wiping member, and ensuring the wiping effect.

[0025] In some embodiments, the pressing mechanism may further include a buffer disposed between the second drive device and the pressing member. The buffer may buffer the pressure transmitted from the second drive device to the pressing member, so that dirt on the roller surface may follow the movement of the first wiping member and leave the roller surface, thereby avoiding dirt accumulation.

[0026] In some embodiments, the buffer may include a spring, which is elastically supported between the driving device and the pressing member. In this way, the spring can transmit the force generated by the second driving device to the pressing member, so that the pressing member can press the first wiping member to improve the wiping effect, and can also appropriately relax the pressing member when encountering stains, so that the stains are removed with the first wiping member.

[0027] In some embodiments, the roller wiping device may further include a second wiping member, which is spaced apart from the first wiping member and is used to wipe the roller surface. Since the second wiping member is spaced apart from the first wiping member, after the first wiping member has finished wiping, the second wiping member can perform a secondary cleaning on the roller surface to wipe off the residual stains and cleaning liquid on the roller surface, thereby avoiding contamination of the electrode sheet.

[0028] In some embodiments, the wiping roller device may further include a third driving device, which is in driving connection with the second wiping member and is used to adjust the position of the second wiping member. In this way, the third driving device can adjust whether the second wiping member wipes the roller surface and the wiping force of the second wiping member on the roller surface. When the third driving device drives the second wiping member to contact the roller surface, the second wiping member can wipe the roller surface. When the third driving device drives the second wiping member to move away from the roller surface, the second wiping member can be replaced to keep the second wiping member clean and improve the wiping effect.

[0029] In some embodiments, the wiping roller device may further include a cleaning mechanism, which is disposed on the first wiping member and is used to clean the first wiping member, so that the first wiping member can be recycled and production costs can be saved.

[0030] In some embodiments, the cleaning mechanism includes a cleaning channel, one end of which is connected to the liquid storage device, and the other end of which is directed toward the first wiping member. In this way, the cleaning liquid in the liquid storage device can be used to rinse the first wiping member, thereby washing away dirt on the surface of the first wiping member.

[0031] In some embodiments, the wiping roller device may further include a drying channel, one end of which is connected to the air outlet of the high-pressure blower, and the other end of which is directed toward the first wiping member. In this way, the high-pressure airflow from the high-pressure blower can reach the first wiping member through the drying channel, blow-drying the first wiping member, thereby achieving clean recovery of the first wiping member.

[0032] In the second aspect, the embodiment of the present application further provides a roller press, including the above-mentioned wiping roller device. It should be noted that the technical effects brought about by the implementation of the second aspect can all refer to the technical effects brought about by the corresponding implementation of the first aspect, and will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0034] Figure 1 A schematic structural diagram of a wiping roller device provided in an embodiment of the present application;

[0035] Figure 2 A schematic diagram of the structure of an atomization device provided in an embodiment of the present application;

[0036] Figure 3 A schematic diagram of the structure of a high-pressure blower provided in an embodiment of the present application;

[0037] Figure 4 A schematic diagram of the structure of a clamping mechanism provided in an embodiment of the present application;

[0038] Figure 5 A structural schematic diagram of a dry erase mechanism provided in an embodiment of the present application;

[0039] Figure 6 A schematic diagram of the structure of a cleaning mechanism provided in an embodiment of the present application.

[0040] Reference numerals: 100, wiping roller device;

[0041] 1. First wiping member; 11. Unwinding shaft; 12. Rewinding shaft; 2. Atomizing device; 21. Connecting channel; 211. First inlet; 212. First outlet; 213. First air inlet; 22. Air outlet channel; 23. Spraying device; 23A. Multi-porous composite plate; 24. First driving device; 25. Transmission member; 251. Support member; 252. Elastic member; 3. Liquid storage device; 4. High-pressure fan; 41. Air outlet; 5. First opening and closing valve; 5A. Pulse solenoid valve; 6. Pressing mechanism; 61. Second driving device; 62. Pressing member; 621. Roller; 63. Buffer member; 63A. Spring; 7. Dry wiping mechanism; 71. Second wiping member; 72. Third driving device; 8. Cleaning mechanism; 81. Cleaning channel; 82. Drying channel; 83. Multi-porous plate; 84. Dust collecting box. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", "inside", "outside" and the like indicate directions or positional relationships based on the directions or relative positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. Unless otherwise specified, the above-mentioned directional description can be flexibly set in the process of actual application under the condition that the relative positional relationship shown in the accompanying drawings is satisfied.

[0044] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0045] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. It can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] In the embodiments of the present invention, the terms "comprises", "comprising" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, article or device. In the absence of further restrictions, an element defined by the sentence "comprising a ..." does not exclude the presence of other identical elements in the process, article or device including the element.

[0047] In the embodiments of the present invention, words such as "exemplary" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present invention should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0048] With the rapid development of science and technology, it has become particularly important to find an efficient, sustainable and environmentally friendly way to store energy. Lithium batteries, with their advantages such as high energy density, long cycle life and low self-discharge rate, have become the core force driving the rapid development of electronic devices, electric vehicles and even energy storage systems.

[0049] In the battery pole piece rolling process, the surface slurry will adhere to the roller surface under the pressure of the roller due to low surface adhesion or the existence of material falling and wrinkles. If it is not cleaned in time or not cleaned thoroughly, it will cause defects such as pits and sticking in the pole pieces produced subsequently, causing the pole pieces to be scrapped.

[0050] The existing technology mostly uses an oil-impregnated non-woven fabric wiping roller, the non-woven fabric coated with silicone oil is left to stand to control the oil, a roller cleaning device installed on a roller press is used, the non-woven fabric roll is installed on the unwinding shaft, the motor drives the non-woven fabric winding shaft to rotate, and the laminating roller tightly adheres the non-woven fabric to the surface of the roller. By unwinding and rewinding the non-woven fabric, a clean non-woven fabric is ensured to wipe the roller surface.

[0051] However, when using silicone oil to clean the roller surface, the proportion of silicone oil used needs to be strictly controlled. If the amount of silicone oil used is too low, the roller surface will not be wiped clean. If the amount of silicone oil used is too high, silicone oil will remain on the roller surface and contaminate the electrode. In addition, during the wiping process, silicone oil and graphite and other substances can mix to form a sticky layer that adheres to the roller surface, which can easily cause the roller surface to not be wiped clean.

[0052] Based on this, an embodiment of the present application provides a wiping roller device, which atomizes the cleaning liquid in the liquid storage device through an atomizing device, so that the cleaning liquid can be evenly distributed and penetrate into the wiping member, so that the cleaning liquid can fully contact and wipe off the stains on the roller surface, thereby enhancing the wiping effect and solving the problem of unclean wiping of the roller surface.

[0053] Please refer to Figure 1 , Figure 1 A structural schematic diagram of a wiping roller device 100 provided in an embodiment of the present application, the wiping roller device 100 can be used to wipe the roller surface of a roller press, the wiping roller device 100 may include a first wiping member 1, an atomizing device 2 and a liquid storage device 3, the first wiping member 1 is used to wipe the roller surface of the roller press, and the liquid storage device 3 is used to store cleaning liquid.

[0054] Please refer to Figure 1 and Figure 2, Figure 2 This is a schematic structural diagram of an atomization device 2 provided in an embodiment of the present application. The atomization device 2 may include a first inlet 211 and a first outlet 212 . The first inlet 211 is connected to the liquid storage device 3 , and the first outlet 212 is arranged toward the first wiper 1 .

[0055] In this way, since the first inlet 211 is connected to the liquid storage device 3, the cleaning liquid can enter the atomizing device 2 through the first inlet 211, and the cleaning liquid is dispersed into tiny droplets through the atomizing device 2. Since the first outlet 212 is arranged toward the first wiping member 1, the cleaning liquid can be sprayed from the first outlet 212 onto the first wiping member 1 to clean the roller surface. Since the cleaning liquid is atomized into tiny droplets, it can more effectively penetrate into the part to be cleaned, thereby more thoroughly removing the stains on the roller surface and enhancing the cleaning effect.

[0056] In addition, since the atomized droplets are small and uniform, they can effectively cover the area to be cleaned. Compared with traditional cleaning methods, the cleaning purpose can be achieved with a small amount of cleaning liquid, thereby saving the amount of cleaning liquid.

[0057] By wiping the roller surface by atomizing and spraying the cleaning liquid, the roller wiping device 100 can be compatible with a variety of cleaning liquids, such as water, alcohol, silicone oil or release agent, which can be selected according to actual conditions, and this application does not further limit this. In this way, the cleaning liquid can be selected according to the type of pole piece to avoid the interaction between the pole piece residue and the cleaning liquid to cause secondary contamination.

[0058] At the same time, the combination of the first wiping member 1, the atomizing device 2 and the liquid storage device 3 can realize the cleaning liquid spraying and roller surface wiping in one. There is no need for a dedicated person to oil the first wiping member 1, soak it for a long time, store it in a temperature-controlled environment, etc. The equipment can be turned on and used at any time, reducing the cost of manpower, time, and space.

[0059] Please refer to Figure 1 , Figure 2 and Figure 3 , Figure 3 A structural schematic diagram of a high-pressure fan 4 is provided in an embodiment of the present application. In some embodiments of the present application, the wiping roller equipment 100 may also include a high-pressure fan 4, and the atomizing device 2 may include an atomizing device 2 body. A connecting channel 21 is provided on the atomizing device 2 body, and the connecting channel 21 can be connected to both the first inlet 211 and the first outlet 212, so that the cleaning liquid can reach the first wiping member 1 through the connecting channel 21.

[0060] The atomizing device 2 may further include a first air inlet 213 connected to the communication channel 21, and an air outlet 41 of the high-pressure blower 4 is connected to the first air inlet 213. The high-pressure blower 4 can discharge a high-pressure airflow, and since the first air inlet 213 is connected to the communication channel 21, the high-pressure airflow can enter the communication channel 21, and the cleaning liquid in the communication channel 21 is sprayed out through the first outlet 212 under the action of the high-pressure airflow and dispersed into small droplets, thereby realizing the atomization of the cleaning liquid.

[0061] In other embodiments of the present application, the atomization device 2 may include an ultrasonic instrument, which can use the vibration energy generated by the propagation of ultrasonic waves in the cleaning liquid to form cavitation bubbles inside the liquid. The cavitation bubbles will rapidly expand and burst under the action of ultrasonic waves, generating strong shock waves and microjets. These shock waves and microjets will impact the liquid surface, causing it to form tiny droplets, thereby achieving atomization of the cleaning liquid.

[0062] In some embodiments of the present application, the wiping roller device 100 may further include an air outlet channel 22 , one end of which is connected to the air outlet 41 of the high-pressure fan 4 , and the other end of which is directed toward the first wiping member 1 .

[0063] The high-pressure airflow from the high-pressure fan 4 can be sprayed to the first wiping member 1 through the air outlet channel 22. In this way, due to the pressure of the airflow, the first wiping member 1 can be brought into contact with the roller surface, so that the cleaning liquid can penetrate into the roller surface and directly act on the dirt itself, thereby improving the wiping effect and making the roller surface wiped cleaner.

[0064] In some embodiments of the present application, the first wiping member 1 is a porous structure, so that the gas flowing out of the air outlet channel 22 passes through the first wiping member 1 .

[0065] Since the first wiping piece 1 has a porous structure, when the high-pressure airflow is blown out to the first wiping piece 1 through the air outlet channel 22, the cleaning liquid on the first wiping piece 1 can be blown out onto the roller surface and the cleaning liquid can be evenly diffused on the roller surface, thereby facilitating the cleaning liquid to act on the dirt itself, penetrate into the dirt, and improve the wiping effect.

[0066] Exemplarily, the first wiping member 1 can be a sponge, a nonwoven fabric or a cotton fabric, which is not further limited in the present application. In this way, the first wiping member 1 can achieve a wiping effect and can penetrate the cleaning liquid, thereby making the wiping cleaner.

[0067] In some embodiments, the wiping roller device 100 includes an unwinding shaft 11 and a rewinding shaft 12, one end of the first wiping member 1 is connected to the unwinding shaft 11, and the other end is connected to the rewinding shaft 12, and at least a portion of the first wiping member 1 is disposed between the atomizing device 2 and the roller surface, and is used to wipe the roller surface. In this way, a clean first wiping member 1 can be connected to the unwinding shaft 11, and the rewinding shaft 12 is used to recycle the first wiping member 1 after wiping the roller surface, so that the clean first wiping member 1 can always be in contact with the roller surface, and the roller surface can be cleaned, so as to prevent the stains on the first wiping member 1 from contaminating the roller surface.

[0068] In some embodiments of the present application, the wiping roller device 100 may further include a first opening and closing valve 5 disposed on the air outlet channel 22 , and the first opening and closing valve 5 is used to control the connection or closing of the air outlet channel 22 .

[0069] In this way, it is possible to control whether the high-pressure airflow is sprayed onto the first wiping member 1, thereby adjusting the wiping state and adjusting the wiping process according to actual conditions. In addition, if the first wiping member 1 is blown continuously, the cleaning liquid will be lost and the wiping effect will be poor. The first opening and closing valve 5 is provided to blow air to the first wiping member 1 at intervals, thereby exerting the strengthening effect of blowing air to make the cleaning liquid act on the dirt itself.

[0070] In some embodiments of the present application, the first on-off valve 5 may be a pulse electromagnetic valve 5A. In this way, the first on-off valve 5 can be controlled to be on and off at intervals without manual control, thereby achieving intermittent air blowing and improving the cleaning effect. In addition, pulse air blowing can also prevent the first wiping member 1 made of non-woven fabric or cotton cloth from wrinkling due to continuous air blowing, thereby avoiding uneven wiping.

[0071] In some embodiments of the present application, the wiping roller device 100 may further include a spray device 23 disposed between the first wiping member 1 and the first outlet 212. The spray device 23 may evenly spray the atomized droplets sprayed from the first outlet 212 onto the first wiping member 1, thereby making the cleaning liquid more evenly infiltrated.

[0072] In some embodiments of the present application, the spray device 23 may be a porous composite plate 23A. Since the porous composite plate 23A has a large number of tiny hole structures inside, the cleaning liquid can be sprayed out through these hole structures under the action of high-pressure airflow, thereby making the cleaning liquid more evenly dispersed on the first wiping member 1, improving the wiping effect and making the roller surface wiped more cleanly.

[0073] In some embodiments, the spray device 23 may also be disposed between the first wiping member 1 and the air outlet channel 22, so that the airflow ejected by the high-pressure fan 4 may also be evenly diffused by the spray device 23 to reach the first wiping member 1, thereby improving the wetting effect.

[0074] In some embodiments of the present application, the wiping roller device 100 may further include a first driving device 24 that is transmission-connected to the spray device 23. The first driving device 24 may be used to adjust the position of the spray device 23. When wiping cleaning is required, the first driving device 24 drives the spray device 23 to approach the first wiping member 1, thereby providing the first wiping member 1 with cleaning liquid and high-pressure airflow. When wiping is not required, the first driving device 24 drives the spray device 23 away from the first wiping member 1.

[0075] In addition, according to different types of cleaning agents, the distance between the spray device 23 and the first wiping member 1 may be different, and can be adjusted by the first driving device 24 .

[0076] In some embodiments, the first driving device 24 may be a cylinder or a linear motor, which can make the spray device 23 move linearly, so as to approach or move away from the first wiping member 1 .

[0077] In some embodiments, the wiping roller device 100 may also include a transmission member 25, which is connected between the first driving device 24 and the spray device 23. The transmission member 25 may include a support member 251 and an elastic member 252, wherein the support member 251 can transmit the driving force generated by the first driving device 24 to the spray device 23, thereby adjusting the position of the spray device 23, and the elastic member 252 can prevent the spray device 23 from causing excessive squeezing to the first wiping member 1 and affecting the spraying effect.

[0078] Please refer to Figure 1 and Figure 4 , Figure 4 A structural schematic diagram of a clamping mechanism 6 provided in an embodiment of the present application. In some embodiments of the present application, the wiping roller device 100 may also include a clamping mechanism 6, which is arranged on the side of the first wiping member 1 away from the roller surface. The clamping mechanism 6 can be used to squeeze the first wiping member 1 to fit onto the roller surface, thereby increasing the force between the first wiping member 1 and the roller surface, which helps to erase stubborn stains on the roller surface and improve the wiping effect.

[0079] In addition, the pressing mechanism 6 is arranged on a side of the atomizing device 2 away from the unwinding shaft 11, so that the first wiping member 1 soaked in the cleaning liquid can be pressed to clean the stains.

[0080] In some embodiments of the present application, the pressing mechanism 6 may include a second driving device 61 and a pressing member 62, and the second driving device 61 is in transmission connection with the pressing member 62, so that the pressing member 62 abuts against the first wiping member 1. The second driving device 61 may provide a pressing force for the pressing member 62, so that the pressing member 62 may generate pressure on the first wiping member 1, and then the first wiping member 1 may generate pressure on the roller surface, so that the effect of erasing stains may be improved and wiping may be cleaner.

[0081] In some embodiments, the second driving device 61 may be the same as the first driving device 24 . Exemplarily, the second driving device 61 may also be a cylinder or a linear motor, thereby driving the pressing member 62 to perform linear motion, thereby generating a force on the first wiping member 1 .

[0082] In some embodiments of the present application, the pressing member 62 can be rollably abutted against the first wiping member 1. In this way, when the first wiping member 1 moves, the pressing member 62 can roll relative to the first wiping member 1, thereby preventing the pressing member 62 from pulling and deforming the first wiping member 1.

[0083] In some embodiments, the pressing member 62 may include a roller 621 , which is in rolling contact with the first wiping member 1 , and can reduce friction and wear, and reduce pulling deformation of the first wiping member 1 , thereby ensuring a wiping effect.

[0084] In other embodiments, the pressing member 62 may also include a fine rubber roller. Since the fine rubber roller is usually made of a highly elastic material, it has good wear resistance and resilience and can maintain stable performance during long-term use. In addition, since the fine rubber roller has a smooth surface, it can maintain good contact with the first wiping member 1, thereby improving the wiping effect.

[0085] In some embodiments, the pressing member 62 includes a plurality of rollers 621 or a plurality of fine rubber rollers, so that the pressing effect can be improved, thereby improving the wiping effect.

[0086] Since the pressing member 62 exerts a pressing force on the first wiping member 1, so that the first wiping member 1 abuts against the roller surface, if the pressing force is continuously generated, dirt on the roller surface may accumulate in the front part of the pressing position. Therefore, in some embodiments of the present application, the pressing mechanism 6 may further include a buffer member 63 disposed between the second driving device 61 and the pressing member 62. The buffer member 63 can buffer the pressure transmitted to the pressing member 62 by the second driving device 61, so that the dirt on the roller surface can follow the movement of the first wiping member 1 and leave the roller surface, thereby avoiding dirt accumulation.

[0087] In some embodiments of the present application, the buffer member 63 may include a spring 63A, and the spring 63A is elastically supported between the driving device and the pressing member 62. In this way, the spring 63A can transmit the force generated by the second driving device 61 to the pressing member 62, so that the pressing member 62 can press the first wiping member 1 to improve the wiping effect, and can also appropriately relax the pressing member 62 when encountering stains, so that the stains are removed with the first wiping member 1.

[0088] Please refer to Figure 1 and Figure 5 , Figure 5 This is a schematic diagram of the structure of a dry wiping mechanism 7 provided in an embodiment of the present application. In some embodiments of the present application, the wiping roller device 100 may also include a second wiping member 71, which is spaced apart from the first wiping member 1, and the second wiping member 71 is used to wipe the roller surface. Since the second wiping member 71 is spaced apart from the first wiping member 1, after the first wiping member 1 finishes wiping, the second wiping member 71 can perform a secondary cleaning on the roller surface, wiping off the residual stains and cleaning liquid on the roller surface, thereby avoiding contamination of the electrode.

[0089] In some embodiments, the second wiping member 71 may be made of the same material as the first wiping member 1 , and may be, for example, sponge, non-woven fabric or cotton cloth, which is not further limited in the present application.

[0090] During the wiping process, the second wiping member 71 does not need to be provided with a cleaning liquid, that is, the roller surface is dry-wiped, so that the second wiping member 71 can finish the wiping system and improve the wiping quality. In addition, due to the provision of the second wiping member 71, the requirements for the conditions of the wiping member itself, the type of cleaning agent, and the stability of the wiping roller device 100 can be reduced, reducing the possibility of incomplete wiping.

[0091] In some embodiments of the present application, the roller wiping device 100 may further include a third driving device 72, which is in transmission connection with the second wiping member 71 and can be used to adjust the position of the second wiping member 71, thereby adjusting whether the second wiping member 71 wipes the roller surface and the wiping force of the second wiping member 71 on the roller surface. When the third driving device 72 drives the second wiping member 71 to abut against the roller surface, the second wiping member 71 can wipe the roller surface. When the third driving device 72 drives the second wiping member 71 away from the roller surface, the second wiping member 71 can be replaced to keep the second wiping member 71 clean and improve the wiping effect.

[0092] Please refer to Figure 1 , Figure 3 and Figure 6 , Figure 6This is a schematic diagram of a cleaning mechanism 8 provided in an embodiment of the present application. In some embodiments of the present application, the wiping roller device 100 may further include a cleaning mechanism 8, which is disposed on the first wiping member 1 and is used to clean the first wiping member 1. In this way, the first wiping member 1 can be recycled to save production costs.

[0093] In some embodiments, the cleaning mechanism 8 is disposed between the clamping mechanism 6 and the winding shaft 12. Thus, after the first wiping member 1 finishes wiping the roller surface, the first wiping member 1 can be directly cleaned, and then the cleaned first wiping member 1 can be recovered through the winding shaft 12 to achieve the recycling of the first wiping member 1.

[0094] In other embodiments, after the winding shaft 12 completes winding of the first wiping member 1, the first wiping member 1 is placed on the cleaning mechanism 8 to complete the cleaning and recycling of the first wiping member 1. In this way, the space layout requirement of the wiping roller device 100 can be saved.

[0095] In some embodiments of the present application, the cleaning mechanism 8 may include a cleaning channel 81, one end of which is connected to the liquid storage device 3, and the other end of the cleaning channel 81 is directed toward the first wiping member 1. In this way, the cleaning liquid in the liquid storage device 3 can be used to rinse the first wiping member 1, thereby washing away dirt on the surface of the first wiping member 1.

[0096] In some embodiments of the present application, the cleaning channel 81 may also be connected to the air outlet 41 of the high-pressure fan 4. In this way, the cleaning liquid can be atomized by the high-pressure airflow flowing out of the high-pressure fan 4, thereby infiltrating the interior of the first wiping piece 1 and removing stains inside the first wiping piece 1, thereby improving the cleaning effect of the first wiping piece 1.

[0097] In some embodiments of the present application, the wiping roller device 100 may further include a drying channel 82, one end of which is connected to the air outlet 41 of the high-pressure blower 4, and the other end of which is directed toward the first wiping member 1. In this way, the high-pressure airflow from the high-pressure blower 4 can reach the first wiping member 1 through the drying channel 82, and blow dry the first wiping member 1, thereby achieving clean recovery of the first wiping member 1.

[0098] In addition, since the airflow is a high-pressure airflow, the cleaning liquid and stains inside the first wiping member 1 can be blown out, thereby improving the cleaning effect and preventing the first wiping member 1 from being disturbed by stains inside when it is recycled.

[0099] In some embodiments, the drying channel 82 can be provided in multiple numbers, so that the drying speed can be increased and the efficiency of the wiping roller can be improved.

[0100] In some embodiments, the cleaning mechanism 8 may further include a porous plate 83 connected between the cleaning channel 81 and the drying channel 82 and the first wiping member 1, so that the cleaning liquid and the high-pressure airflow can be evenly diffused on the surface of the first wiping member 1, thereby improving the cleaning effect.

[0101] In some embodiments of the present application, the cleaning mechanism 8 may further include a dust box 84, which is connected to the side of the first wiping member 1 away from the cleaning channel 81 and can be used to collect stains and cleaning liquid after cleaning, thereby ensuring the cleanliness of the working space.

[0102] The wiping roller device 100 provided in the embodiment of the present application can improve the cleanliness of the wiping roller and reduce the quality problems of the electrode sheet caused by the abnormality of the wiping roller by combining the atomizing device 2, the pressing mechanism 6 and the dry wiping mechanism 7 formed by the second wiping member 71, thereby reducing material damage and improving product quality. In addition, each module of the wiping roller device 100 can be installed independently, which is simple to install and easy to maintain.

[0103] The embodiment of the present application also provides a roller press, including the above-mentioned roller wiping device 100. The roller wiping device 100 can wipe the roller surface of the roller press to remove the electrode slurry adhering to the roller surface, thereby reducing the defects of pits or sticking materials on the electrode caused by the unclean roller surface, thereby reducing the scrapping of the electrode and improving production efficiency.

[0104] In some embodiments of the present application, the starting steps of the wiping roller device 100 are:

[0105] S11, before the roller press is started, the third driving device 72 in the dry wiping mechanism 7 is started, so that the second wiping member 71 is against the roller surface;

[0106] S12, 0-3s start the pulse electromagnetic valve 5A, the high pressure blower 4 and the cleaning mechanism 8, 0-3s later start the liquid storage device 3 to provide cleaning liquid for the atomizing device 2 and the cleaning mechanism 8;

[0107] S13, the first wiping member 1 is attached to the roller surface, and the reeling shaft 12 pulls the first wiping member 1, driving the unwinding shaft 11 to rotate, so that the first wiping member 1 moves;

[0108] S14, the first driving device 24 and the second driving device 61 are started to make the atomizing device 2 and the pressing mechanism 6 fit the roller surface;

[0109] S15, the roller press is started, the main roller rotates, and the wiping roller device 100 starts to operate.

[0110] When the wiping roller device 100 is shut down, the shut down steps are:

[0111] S21, the roller press is closed and the roller stops rotating;

[0112] S22, after the first driving device 24 and the second driving device 61 drive the atomizing device 2 and the pressing mechanism 6 away from the roller surface, the first driving device 24 and the second driving device 61 are turned off;

[0113] S23, the reeling shaft 12 stops pulling the first wiping member 1, and the unreeling shaft 11 also stops rotating;

[0114] S24, close the liquid storage device 3, and after 3s, close the pulse electromagnetic valve 5A, the high-pressure blower 4 and the cleaning mechanism 8;

[0115] S25 , after the third driving device 72 drives the second wiping member 71 away from the roller surface, the third driving device 72 is turned off.

[0116] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0117] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A roller wiping device for wiping the roller surface of a roller press, characterized in that: The invention comprises a first wiping member (1) for wiping the roller surface, an atomizing device (2) having a first inlet (211) and a first outlet (212), and a liquid storage device (3) for storing cleaning liquid; the first inlet (211) is connected to the liquid storage device (3), and the first outlet (212) is arranged toward the first wiping member (1).

2. The wiping roller device according to claim 1, characterized in that: The invention also comprises a high-pressure fan (4); the atomizing device (2) is provided with a connecting channel (21) and a first air inlet (213) connected to the connecting channel (21); the connecting channel (21) is also connected to the first inlet (211) and the first outlet (212); the air outlet (41) of the high-pressure fan (4) is connected to the first air inlet (213).

3. The wiping roller device according to claim 2, characterized in that: It also comprises an air outlet channel (22), one end of which is connected to the air outlet (41) of the high-pressure blower (4), and the other end of which is directed toward the first wiping member (1).

4. The wiping roller device according to claim 3, characterized in that: The first wiping piece (1) has a porous structure, so that the gas flowing out of the air outlet channel (22) can pass through the first wiping piece (1).

5. The wiping roller device according to claim 3, characterized in that: It also includes a first opening and closing valve (5) arranged on the air outlet channel (22), wherein the first opening and closing valve (5) is used to control the connection or closing of the air outlet channel (22).

6. The wiping roller device according to claim 5, characterized in that: The first on-off valve (5) is a pulse electromagnetic valve (5A).

7. The wiping roller device according to claim 1, characterized in that: It also comprises a spray device (23) arranged between the first wiping member (1) and the first outlet (212).

8. The wiping roller device according to claim 7, characterized in that: The spray device (23) is a porous composite plate (23A).

9. The wiping roller device according to claim 7, characterized in that: It also comprises a first driving device (24) drivingly connected to the spraying device (23), wherein the first driving device (24) is used to adjust the position of the spraying device (23).

10. The wiping roller device according to claim 1, characterized in that: It also comprises a pressing mechanism (6) which is arranged on a side of the first wiping member (1) away from the roller surface, and the pressing mechanism (6) is used to press the first wiping member (1) to fit onto the roller surface.

11. The wiping roller device according to claim 10, characterized in that: The pressing mechanism (6) comprises a second driving device (61) and a pressing member (62), wherein the second driving device (61) is drivingly connected to the pressing member (62) so that the pressing member (62) abuts against the first wiping member (1).

12. The wiping roller device according to claim 11, characterized in that: The pressing member (62) can be in rolling contact with the first wiping member (1).

13. The wiping roller device according to claim 12, characterized in that: The pressing member (62) comprises a roller (621) or a thin rubber roller.

14. The wiping roller device according to claim 11, characterized in that: The pressing mechanism (6) further comprises a buffer member (63) arranged between the second driving device (61) and the pressing member (62).

15. The wiping roller device according to claim 14, characterized in that: The buffer member (63) comprises a spring (63A), and the spring (63A) is elastically supported between the driving device and the pressing member (62).

16. The wiping roller device according to claim 1, characterized in that: It also comprises a second wiping member (71), wherein the second wiping member (71) is arranged at a distance from the first wiping member (1), and the second wiping member (71) is used for wiping the roller surface.

17. The wiping roller device according to claim 16, characterized in that: It also comprises a third driving device (72), wherein the third driving device (72) is drivingly connected to the second wiping member (71) and is used for adjusting the position of the second wiping member (71).

18. The wiping roller device according to claim 1, characterized in that: It also comprises a cleaning mechanism (8), which is arranged on the first wiping member (1) and is used for cleaning the first wiping member (1).

19. The wiping roller device according to claim 18, characterized in that: The cleaning mechanism (8) comprises a cleaning channel (81), one end of the cleaning channel (81) is in communication with the liquid storage device (3), and the other end of the cleaning channel (81) faces the first wiping member (1).

20. The wiping roller device according to claim 2, characterized in that: It also comprises a drying channel (82), one end of which is in communication with the air outlet (41) of the high-pressure blower (4), and the other end of which faces the first wiping member (1).

21. A roller press, characterized in that: The wiping roller device (100) comprises any one of claims 1-20.

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