Coating control system and coating control method

Abstract

A coating control system, comprising: a rotary mechanism (1) for executing a roll changing operation, a winding mechanism (2) for executing a winding operation, a first reader (3) arranged at a waiting position, a controller (4) electrically connected to the first reader (3), and a manufacturing execution system (5) electrically connected to the controller (4), wherein a reel (6) located at the waiting position is rotated to a winding station by the rotary mechanism (1); the reel (6) is provided with an electronic tag (7); the electronic tag (7) carries a reel identifier of the reel (6); the first reader (3) reads the electronic tag (7) provided on the reel (6) located at the waiting position; the reel identifier is sent to the manufacturing execution system (5) by means of the controller (4); and the manufacturing execution system (5) generates a roll material identifier corresponding to a roll material, and the reel identifier corresponds to the roll material identifier. By means of the coating control system, automatic acquisition of a roll material identifier is realized and the process of manually requesting a film roll number is omitted, thus reducing the probability of failing to acquire the roll material identifier. Further provided is a coating control method.

Description

Coating control system and coating control method CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This application claims priority to Chinese patent application entitled “Coating Control System and Coating Control Method” filed on January 2, 2024 (Application No.: 2024100022837), the entire contents of which are incorporated herein by reference. Technical Field

[0002] The present application relates to the field of control, and in particular to a coating control system and a coating control method. Background Art

[0003] The coating equipment is used to coat the cathode and anode materials onto the current collector. The current collector is supplied in roll form and is unwound by a reel driven by a reel. After slurry coating, drying, and testing, the reel is rewound by a reel driven by a reel.

[0004] In related technologies, in order to trace production data, during the winding process, when the roll in the waiting position is loaded, a manual trigger is used to request the MES (Manufacturing Execution System) to issue a film roll number for the roll. However, there are cases where the film roll number is forgotten.

[0005] The above statements are only used to provide background information related to the present application and do not necessarily constitute prior art. Summary of the Invention

[0006] A technical problem to be solved by the present application is to provide a coating control system and a coating control method, which can realize automatic acquisition of coil material identification and reduce the situation where the coil material identification cannot be obtained.

[0007] In a first aspect, the present application provides a coating control system, comprising: a rotating mechanism for performing a roll-changing operation to rotate a roll located at a waiting position to a winding station, wherein an electronic tag is provided on the roll, and the electronic tag carries a roll identification of the roll; a winding mechanism for performing a winding operation to wind a roll material onto a roll at the winding station, wherein the roll material is a section of coated film; a first reader, disposed at the waiting position, for reading the electronic tag provided on the roll located at the waiting position; a controller, electrically connected to the first reader, configured to obtain the roll identification from the first reader and send it to a manufacturing execution system before the rotating mechanism performs the roll-changing operation; and a manufacturing execution system, electrically connected to the controller, configured to generate a roll identification corresponding to the roll material before the winding mechanism performs the winding operation, wherein the roll identification corresponds to the roll identification.

[0008] In the technical solution of the embodiment of the present application, an electronic tag and a reader are set up, and the reader reads the roll identification in the electronic tag, and then the roll identification is sent to the manufacturing execution system through the controller, and the manufacturing execution system generates a roll material identification corresponding to the roll material, and the roll material identification corresponds to the roll identification, thereby realizing automatic acquisition of the roll material identification, eliminating the process of manually requesting the film roll number, and reducing the probability of not being able to obtain the roll material identification.

[0009] In some embodiments, the electronic tag is located on the end face of the roll; the first reader is located on a rack in a waiting position, and when the roll is in the waiting position, the electronic tag is within the reading range of the first reader. By identifying the electronic tag and the first reader, the electronic tag content can be retrieved, improving the efficiency of obtaining the roll identification.

[0010] In some embodiments, the controller is further configured to obtain production data related to the film roll, wherein the production data corresponds to the roll identification and the roll material identification. By associating the production data with the roll identification and the roll material identification, the reliability of the film roll data traceability is improved.

[0011] In some embodiments, the controller is further configured to send a first request message to the manufacturing execution system, wherein the first request message includes a roll identifier and the workstation where the roll is located. The manufacturing execution system is further configured to determine, based on the first request message, a first feedback result including matching information between the roll and the workstation where the roll is located, and send the first feedback result to the controller, so that the controller controls the coating control system based on the first feedback result. Through the interaction between the controller and the manufacturing execution system, abnormal rolls can be discovered in a timely manner, reducing the probability of coating failure caused by subsequent use of abnormal rolls.

[0012] In some embodiments, the controller is further configured to control the rotary mechanism to perform a roll change operation if the first feedback result includes that the roll matches the workstation where the roll is located. The roll change operation is only performed when the roll matches the workstation where the roll is located, thereby improving the efficiency of subsequent material docking.

[0013] In some embodiments, the manufacturing execution system is further configured to determine the target workstation of the roll based on the roll identification, and to determine whether the roll matches the workstation it is currently in based on the target workstation and the workstation it is currently in. Determining the roll's target workstation based on roll information, and then determining whether the roll matches the workstation it is currently in, can reduce subsequent ineffective coating control operations due to mismatches.

[0014] In some embodiments, the first request message also includes the current product model, and the first feedback result also includes matching information between the target product model and the current product model. The controller is further configured to, if the first feedback result includes that the roll matches the workstation where the roll is located, and the target product model does not match the current product model, retrieve target coating operation parameters that match the target product model, replace the coating operation parameters corresponding to the current product model with the target coating operation parameters, and control the rotary mechanism to perform a roll-changing operation. Automatically adjusting the coating operation parameters when the target product model does not match the current product model can improve the accuracy of subsequent coating processes.

[0015] In some embodiments, the coating control system further includes: a splicing mechanism disposed at the reel station for splicing the reel; and a second reader disposed at the reel station for reading an electronic tag attached to the reel at the reel station. The controller is further configured to control the splicing mechanism to splice the reel based on recognition of the electronic tag by the second reader. Splicing the reel through recognition of the electronic tag by the second reader can mitigate issues with low splicing control accuracy caused by sensor failure.

[0016] In some embodiments, a second reader is disposed on a frame at the reeling station, and when the roll is at the reeling station, the electronic tag is within the reading range of the second reader. By describing the position of the electronic tag and the second reader, the accuracy of signal recognition can be improved.

[0017] In some embodiments, the controller is further configured to position the roll based on the electronic tag's recognition by the second reader and control the splicing mechanism to splice the roll based on the roll's positioning information. Using the electronic tag's in-position signal for roll positioning and splicing control improves control accuracy and reduces the risk of splicing failures caused by contamination or lighting issues.

[0018] In some embodiments, an adhesive material is provided on the side of the roll, extending axially along the roll and projected onto the end face of the roll at the same circumferential position as the electronic tag. The controller is further configured to: determine a first time from when the second reader recognizes the electronic tag to when a first edge of the adhesive material contacts the roll and the roll rotates; determine a second time from when the first edge of the adhesive material contacts the roll to when a second edge contacts the roll and the roll rotates, wherein the first edge contacts the roll before the second edge; determine a third time required for a pressure roller of the splicing mechanism to move from a pressure roller starting position to a pressing position; determine a fourth time required for a cutter of the splicing mechanism to move from a cutter starting position to a cutting position; and control the extension and retraction timing of the pressure roller and cutter based on the first, second, third, and fourth times to achieve a splicing operation on the roll. Using the recognition and rotation of the electronic tag to control the extension and retraction timing of the pressure roller and cutter can improve the adhesion between the roll and the adhesive material, reduce the problem of excessively long tails, and improve splicing efficiency and quality.

[0019] In some embodiments, the electronic tag includes a radio frequency identification (RFID) tag, and the first reader includes an RFID reader / writer; or the electronic tag includes a near field communication (NFC) card, and the first reader includes an NFC card reader; or the electronic tag includes a QR code, and the first reader includes a QR code reader.

[0020] In a second aspect, the present application provides a coating control method, comprising: before the rotating mechanism performs a roll changing operation, the controller obtains the roll identification carried by the electronic tag on the roll located in the waiting position through a first reader, and sends the roll identification to the manufacturing execution system; before the winding mechanism performs a winding operation, the manufacturing execution system generates a roll material identification corresponding to the roll material to be wound onto the roll, and sends the roll material identification to the controller, wherein the roll material identification corresponds to the roll identification, and the roll material is a section of coated film; and the controller controls the winding mechanism to perform the winding operation to wind the roll material onto the roll.

[0021] In the technical solution of the embodiment of the present application, an electronic tag and a reader are set up, and the reader reads the roll identification in the electronic tag, and then the roll identification is sent to the manufacturing execution system through the controller, and the manufacturing execution system generates a roll material identification corresponding to the roll material, and the roll material identification corresponds to the roll identification, thereby realizing automatic acquisition of the roll material identification, eliminating the process of manually requesting the film roll number, and reducing the probability of not being able to obtain the roll material identification.

[0022] In some embodiments, the controller obtains production data related to the film roll, wherein the production data corresponds to the roll identification and the roll material identification. By associating the production data with the roll identification and the roll material identification, the reliability of the film roll data traceability is improved.

[0023] In some embodiments, a controller sends a first request message to a manufacturing execution system, wherein the first request message includes a roll identifier and the workstation where the roll is located. The manufacturing execution system determines a first feedback result including matching information between the roll and the workstation where the roll is located based on the first request message, and sends the first feedback result to the controller. The controller controls the coating control system based on the first feedback result. Through the interaction between the controller and the manufacturing execution system, abnormal rolls can be detected in a timely manner, reducing the probability of coating failure caused by subsequent use of abnormal rolls.

[0024] In some embodiments, the controller controls the coating control system based on the first feedback result, including: controlling the rotary mechanism to perform a roll change operation if the first feedback result indicates that the roll matches the workstation where the roll is located. The roll change operation is only performed if the roll matches the workstation where the roll is located, thereby improving the efficiency of subsequent material docking.

[0025] In some embodiments, the manufacturing execution system determines, based on the first request message, a first feedback result including information about the matching between the reel and the workstation where the reel is located. This includes: the manufacturing execution system determining a target workstation for the reel based on the reel identifier, and determining whether the reel matches the workstation where the reel is located based on the target workstation and the workstation where the reel is located. Determining the reel's target workstation based on the reel information, and then determining whether the reel matches the workstation where the reel is located, can reduce subsequent ineffective coating control operations due to mismatches.

[0026] In some embodiments, the first request message also includes the current product model, and the first feedback result also includes matching information between the target product model and the current product model, wherein the controller controls the coating control system according to the first feedback result, including: when the first feedback result includes that the roll matches the workstation where the roll is located, and the target product model does not match the current product model, the controller retrieves target coating operation parameters that match the target product model, replaces the coating operation parameters corresponding to the current product model with the target coating operation parameters, and controls the rotary mechanism to perform a roll-changing operation. When the target product model does not match the current product model, automatically adjusting the coating operation parameters can improve the accuracy of subsequent coating processing.

[0027] In some embodiments, upon completing the film reel splicing operation, the controller sends a second request message to the manufacturing execution system. The second request message includes the reel ID, the reel's workstation location, and the current product model. Based on the second request message, the manufacturing execution system generates a roll ID for the reel, associates the roll ID with the reel ID, and sends a second feedback message to the controller. This eliminates the need for manual film reel number requests, reducing the likelihood of forgetting to request or repeatedly requesting a roll ID.

[0028] In some embodiments, the controller sends the acquired roll-related production data to the manufacturing execution system, and the manufacturing execution system binds the production data, the roll identification, and the roll identification. This improves the reliability of film roll data traceability and reduces the risk of data loss due to human error.

[0029] In some embodiments, the second feedback message includes the roll identification and roll status information, so that the operator can obtain the roll status information in a timely manner.

[0030] In some embodiments, the controller controls the splicing mechanism to splice the roll based on the second reader's recognition of the electronic tag located at the reeling station. This splicing operation is accomplished by the second reader's recognition of the electronic tag, mitigating issues with low splicing control accuracy caused by sensor failure.

[0031] In some embodiments, the controller controls the splicing mechanism to splice the reel based on the second reader's recognition of the electronic tag located at the reel reeling station. This includes: positioning the reel based on the second reader's recognition of the electronic tag; and controlling the splicing mechanism to splice the reel based on the reel's positioning information. Using the electronic tag's in-position signal for reel positioning and splicing control improves control accuracy and reduces the risk of splicing failures caused by contamination or lighting issues.

[0032] In some embodiments, the electronic tag is located on the end face of the roll, the second reader is located on the frame at the winding station and when the roll is in the winding station, the electronic tag is within the reading range of the second reader, wherein the adhesive material is located on the side of the roll and extends axially along the roll, and the projection of the adhesive material on the end face of the roll is at the same circumferential position as the electronic tag, wherein the controller controls the splicing mechanism to perform a splicing operation on the roll including: determining a first time from when the second reader recognizes the electronic tag to when the first edge of the adhesive material contacts the roll and the roll rotates; determining a second time from when the first edge of the adhesive material contacts the roll to when the second edge contacts the roll and the roll rotates, wherein the first edge contacts the roll before the second edge; determining a third time required for the pressure roller of the splicing mechanism to move from the pressure roller starting position to the pressing position; determining a fourth time required for the cutter of the splicing mechanism to move from the cutter starting position to the cutting position; and based on the first time, the second time, the third time and the fourth time, controlling the extension and retraction time of the pressure roller and the cutter to realize splicing control of the roll. By using the identification and rotation of the electronic tag to control the extension and retraction time of the pressure roller and the cutter, it can not only improve the close contact between the coil and the adhesive material, but also reduce the problem of excessively long tails, thereby improving the splicing efficiency and quality.

[0033] In some embodiments, the controller determines the first time the roll rotates by determining the first time the roll rotates based on the angle between when the second reader recognizes the electronic tag and when the first edge of the adhesive material contacts the roll, and the time between two consecutive times the second reader recognizes the electronic tag. The first time is calculated by converting the angle and the time it takes for the electronic tag to rotate one full rotation, facilitating subsequent determination of the extension and retraction timing of the pressure roller and cutter.

[0034] In some embodiments, the controller determines the second time for the roll to rotate, including determining the second time based on the time between two consecutive recognitions of the electronic tag by the second reader, the circumference of the roll, and the width between the first and second edges of the adhesive material. The second time can be determined based on the time taken for the electronic tag to rotate one full circle, the circumference of the roll, and the width of the adhesive material, facilitating subsequent determination of the extension and retraction timing of the pressing roller and the cutter.

[0035] In some embodiments, the controller controls the timing of the extension and retraction of the pressure roller and cutter, including: controlling the pressure roller to extend after a first predetermined time has passed since the second reader recognized the electronic tag, where the first predetermined time is determined by the difference between the first time and a third time; controlling the cutter to extend after a second predetermined time has passed since the second reader recognized the electronic tag, where the second predetermined time is determined by the difference between the sum of the first time and the second time and a fourth time; and controlling the pressure roller and cutter to retract after a third predetermined time has passed since the second reader recognized the electronic tag, where the third predetermined time is determined by the sum of the first time and the second time. By precisely controlling the timing of the extension and retraction of the pressure roller and cutter, the web can be improved in terms of adhesion to the adhesive material on the roll, while also reducing the risk of excessive tail length, thereby improving the quality and efficiency of the splicing process.

[0036] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments of the present application. 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 the drawings without creative work.

[0038] FIG1 is a schematic diagram of a coating control system according to one or more embodiments;

[0039] FIG2A is a schematic diagram of the positions of an electronic tag and a reader according to one or more embodiments;

[0040] FIG2B is a schematic diagram of the positions of an electronic tag and a reader according to one or more embodiments;

[0041] 3 is a schematic diagram of a coating control system according to one or more embodiments;

[0042] FIG4A is a schematic diagram of a tape splicing process according to one or more embodiments;

[0043] FIG4B is a schematic diagram of a tape splicing process according to one or more embodiments;

[0044] FIG4C is a schematic diagram of a tape splicing process according to one or more embodiments;

[0045] FIG4D is a schematic diagram of a tape splicing process according to one or more embodiments;

[0046] FIG5 is a schematic diagram of a timing diagram of a tape splicing mechanism according to one or more embodiments;

[0047] FIG6 is a schematic diagram of a coating control method according to one or more embodiments;

[0048] FIG7A is a schematic diagram of an empty roll during a winding process according to one or more embodiments;

[0049] FIG7B is a schematic diagram of a roll change in a winding process according to one or more embodiments;

[0050] FIG7C is a schematic diagram of a tape splicing process in a winding process according to one or more embodiments;

[0051] FIG7D is a schematic diagram of winding in a winding process according to one or more embodiments;

[0052] FIG8 is a schematic diagram of a coating control method according to one or more embodiments;

[0053] FIG9 is a schematic diagram of a coating control method according to one or more embodiments;

[0054] FIG10 is a schematic diagram of a coating control method according to one or more embodiments;

[0055] FIG. 11 is a schematic diagram of a coating control method according to one or more embodiments. DETAILED DESCRIPTION

[0056] The following detailed description of the embodiments of the present application is provided in conjunction with the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are used to illustrate the principles of the present application, but are not intended to limit the scope of the present application, that is, the present application is not limited to the described embodiments.

[0057] In the description of this application, it should be noted that, unless otherwise specified, "multiple" means more than two; the terms "upper", "lower", "left", "right", "inside", "outside", etc., indicating directions or positional relationships, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply 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 this application. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. "Vertical" is not strictly perpendicular, but is within the allowable error range. "Parallel" is not strictly parallel, but is within the allowable error range.

[0058] At the same time, it should be understood that for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

[0059] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present disclosure, its application, or uses.

[0060] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0061] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0062] It should be noted that like reference numerals and letters refer to like items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0063] In order to make the objectives, technical solutions and advantages of this application more clear, this application is further described in detail below in combination with specific embodiments and with reference to the accompanying drawings.

[0064] In related technologies, the coating and winding process involves an empty roll waiting for loading at a waiting position. The turret rotates to drive the empty roll to the working position, where it is then spliced ​​and wound. Once the roll is full, the turret rotates to drive the full roll to the waiting position. The full roll is unloaded at the waiting position and then sent to the next process. To trace the film roll generation data, manual triggering is required to obtain the film roll number, but sometimes the film roll number is forgotten.

[0065] In the embodiment of the present application, by setting up electronic tags and readers, the roll identification is realized, and then the roll material identification corresponding to the roll material on the roll is generated. In this way, the roll, roll material, roll identification, and roll material identification have a corresponding relationship, and the roll material identification is automatically obtained, which can reduce the probability of not being able to obtain film roll information due to human forgetfulness.

[0066] 1 is a schematic diagram of a coating control system according to one or more embodiments, the coating control system including a rotating mechanism 1 , a winding mechanism 2 , a first reader 3 , a controller 4 , and a manufacturing execution system 5 .

[0067] The rotating mechanism 1 is used to perform a roll changing operation to rotate the roll 6 located at the waiting position to the winding position. An electronic tag 7 is provided on the roll, and the electronic tag carries the roll identification of the roll.

[0068] In some embodiments, the rotating mechanism 1 is, for example, a turret that drives the reel from the waiting position to the winding station to perform splicing and winding operations on the reel at the winding station.

[0069] In some embodiments, the electronic tag is, for example, an RFID (Radio Frequency Identification) tag, which has the advantages of being waterproof, anti-magnetic, high temperature resistant, long service life, data on the tag can be encrypted, has a larger data storage capacity, and can easily change stored information.

[0070] The RFID tag carries the roll identification of the roll, and the roll identification is, for example, a roll ID (Identity document) number, and the ID number is a unique identification code of the roll.

[0071] In some embodiments, the electronic tag is, for example, an NFC (Near Field Communication) card, which is secure and convenient. The NFC tag can carry the roll identification of the roll.

[0072] In some embodiments, the electronic tag is, for example, a QR code, which has the characteristics of low cost and high versatility and can carry the roll identification of the roll.

[0073] The winding mechanism 2 is used to perform a winding operation to wind the coiled material onto a reel 6 at the winding station, wherein the coiled material is a section of coated film. In some embodiments, the winding mechanism 2 includes a reel that rotates to drive the coiled material to be wound onto the reel.

[0074] The first reader 3 is arranged at the waiting position, and is used for reading the electronic tag 7 arranged on the reel 6 at the waiting position.

[0075] In some embodiments, when the electronic tag is an RFID tag, the first reader includes an RFID reading and writing device capable of reading the roll identification carried by the RFID tag.

[0076] In some embodiments, when the electronic tag is an NFC card, the first reader includes an NFC card reader, and the NFC card reader can read the roll identifier carried by the NFC card.

[0077] In some embodiments, the electronic tag is a two-dimensional code, and the first reader includes a two-dimensional code identifier, which can read the roll identification carried by the two-dimensional code.

[0078] The controller 4 is electrically connected to the first reader 3 and is configured to obtain the roll identification from the first reader 3 and send it to the manufacturing execution system 5 before the rotation mechanism 1 performs the roll changing operation.

[0079] In some embodiments, the controller is, for example, a Programmable Logic Controller (PLC). The PLC is capable of obtaining the reel ID from the first reader. For example, the first reader reads the reel ID and transmits it to the PLC. Those skilled in the art will appreciate that the PLC is merely an example, and that the controller's functionality can also be implemented using a structure comprised of integrated circuits, related components, and the like.

[0080] The manufacturing execution system 5 is electrically connected to the controller 4 and is configured to generate a coil material identification corresponding to the coil material before the coiling mechanism 2 performs a coiling operation, wherein the roll identification corresponds to the coil material identification.

[0081] In some embodiments, the roll material identification is information for identifying the roll material, that is, an identification number of the roll material, such as a film roll number of the roll material.

[0082] In some embodiments, the MES determines whether the roll is available. If the roll is available, a film roll number is generated and the film roll number is bound to the roll identifier, thereby achieving the binding of the film roll number and the roll.

[0083] In some embodiments, the MES stores the correspondence between the coil material identification and the roll identification, so that when tracing the material later, the relevant information of the coil material can be obtained through the correspondence.

[0084] In some embodiments, after generating a roll material identification corresponding to the roll material, the MES outputs the roll material identification and the reel identification to an external memory. By storing the correspondence between the roll material identification and the reel identification in the memory, the storage space of the MES itself can be reduced.

[0085] In the above embodiment, an electronic tag carrying a roll identification is provided on the roll, the roll identification carried by the electronic tag is read by a first reader and then sent to the manufacturing execution system through a controller, and the manufacturing execution system generates a roll material identification corresponding to the roll identification, thereby realizing automatic acquisition of the roll material identification. Since there is no need for manual request to obtain the roll material identification, the probability of not being able to obtain the roll material identification is reduced.

[0086] In some embodiments, one roll identification corresponds to one coil identification, which can also reduce the situation where repeated application of multiple coil identifications results in subsequent production data being unable to determine which coil identification matches.

[0087] In some embodiments of the present application, as shown in Figures 2A and 2B, the electronic tag 7 is located on the end surface of the reel 6. Since the roll 61 is wound around the reel 6, the electronic tag is set on the end surface of the reel, which makes it easier for the first reader to identify the electronic tag more conveniently and quickly.

[0088] The first reader 3 is mounted on a frame 31 in the coating machine's waiting position. When the roll is in the waiting position, the electronic tag is within the first reader's reading range. The frame is located a certain distance from the roll. Placing the electronic tag on the end face of the roll and the first reader on the frame makes installation more convenient than placing it elsewhere.

[0089] In this embodiment, since the electronic tag is within the reading range of the first reader, the first reader can accurately and quickly identify the roll ID in the electronic tag. In addition, manual triggering of applying for the film roll number may cause repeated application. In this embodiment, by setting up the electronic tag and the reader, the process of manually requesting the film roll number can be omitted, thereby reducing the probability of repeated application for the film roll number.

[0090] In some other embodiments of the present application, the controller 4 is further configured to obtain production data related to the coil, wherein the production data corresponds to the roll identification and the coil identification.

[0091] During the production process of coil materials, there will be some processing parameters, such as weight data, drying data, etc., which are convenient for subsequent quality traceability, so the production data needs to be saved.

[0092] For example, after production is completed, the PLC sends the production data to the MES, which saves the correspondence between the production data and the roll identification and coil material identification. In the next process, the roll identification is obtained through the reader, and then based on the correspondence, the coil material identification and production data corresponding to the roll identification are found, thereby improving the reliability of film roll data traceability and reducing the risk of data loss caused by human factors.

[0093] In some embodiments, the next process includes operations such as rolling and cutting. For example, according to production data, the coil is rolled into a material with uniform thickness, and then a cutting operation is performed to delete invalid materials.

[0094] For another example, the PLC sends the production data to other external storage devices, which store the correspondence between the production data and the roll identification and coil material identification. When the coil material data needs to be traced, the roll identification is obtained through the reader, and then the corresponding coil material identification and production data are called from the storage device. This not only improves the reliability of film roll data traceability, but also reduces the storage space pressure of the MES.

[0095] In addition, in the above embodiment, since the production data corresponds to the roll identification and the roll material identification, there is no need to print a paper shipping tag and stick it on the film roll, which reduces the risk of losing the film roll data due to the shipping tag not being firmly attached or falling off.

[0096] In some embodiments of the present application, the controller 4 is also configured to send a first request message to the manufacturing execution system 5, wherein the first request message includes the roll identification and the workstation where the roll is located; the manufacturing execution system 5 is also configured to determine a first feedback result including matching information between the roll and the workstation where the roll is located based on the first request message, and send the first feedback result to the controller 4, so that the controller 4 controls the coating control system based on the first feedback result.

[0097] This embodiment uses the interaction between the controller and the manufacturing execution system to determine the matching information between the roll and the workstation in the manufacturing execution system, and feeds the matching information back to the controller. The controller performs coating control based on the matching information, which can improve the coating and material docking process of subsequent processes, improve docking efficiency, and reduce the labor cost caused by manual judgment.

[0098] In some embodiments, the manufacturing execution system 5 is further configured to determine the target workstation of the roll according to the roll identification, and determine whether the roll matches the workstation where the roll is located according to the target workstation and the workstation where the roll is located.

[0099] For example, when an empty roll is waiting to be loaded, the PLC sends the roll ID and workstation information to the MES, which then determines whether the roll's target workstation matches the workstation it is currently in. If the roll's target workstation matches the workstation it is currently in, it is considered the correct roll. If the target workstation does not match the workstation it is currently in, it is considered an abnormal roll. Automatic identification of abnormal rolls reduces the cost of manual identification and promptly identifies abnormal rolls, reducing the probability of errors in subsequent processes.

[0100] In some embodiments, the workstation information is, for example, a machine number.

[0101] In some embodiments, the controller 4 is further configured to issue an alarm message when the first feedback result includes that the roll does not match the workstation where the roll is located.

[0102] For example, when the MES identifies that the roll is an abnormal roll, it will feedback the work station information of the roll to the PLC, and the PLC will output an alarm message, for example, the prompt "Please replace the correct roll", so that the operator can replace the equipment in time and reduce the risk of equipment damage or material scrapping caused by subsequent incorrect processes such as roll changing and rewinding through the wrong roll.

[0103] In some embodiments, the controller 4 is further configured to control the rotating mechanism to perform a roll changing operation when the first feedback result includes that the roll matches the workstation where the roll is located.

[0104] For example, when the manufacturing execution system recognizes that the target workstation of the roll matches the workstation it is in, it feeds back the workstation information of the roll to the PLC. The PLC determines that the roll is the correct roll and then waits for the roll changing operation, providing a basis for the execution of subsequent correct processes.

[0105] In some embodiments of the present application, the controller 4 is further configured to send a first request message to the manufacturing execution system 5, where the first request message includes a roll identifier, a workstation where the roll is located, and a current product model. The manufacturing execution system 5 is further configured to determine, based on the first request message, a first feedback result including matching information between the roll and the workstation where the roll is located, and matching information between the target product model and the current product model, and send the first feedback result to the controller 4, so that the controller 4 can control the coating control system based on the first feedback result.

[0106] This embodiment can realize flexible control such as automatic equipment change and automatic handling of abnormal rolls by identifying roll information, thereby improving the material docking process of coating and subsequent processes and improving docking efficiency.

[0107] In some embodiments, the manufacturing execution system 5 is further configured to identify the target product model according to the roll identification when the roll matches the workstation where the roll is located, and determine whether the target product model matches the current product model.

[0108] For example, the PLC sends the roll ID, workstation information, and current product model to the MES, which determines whether the target workstation of the roll matches the workstation where the roll is located. If the target workstation of the roll matches the workstation where the roll is located, it is further determined whether the target product model corresponding to the roll matches the current product model. This embodiment realizes the acquisition of product information produced by the coating machine. If the target product model corresponding to the roll matches the current product model, the roll is marked as the correct roll. If the target product model corresponding to the roll does not match the current product model, the roll is marked as a re-model roll, which means that the equipment needs to be re-modeled, so that the PLC can be used to automatically change the model and adjust the equipment parameters.

[0109] In some embodiments, the controller 4 is also configured to retrieve the target coating operation parameters that match the target product model when the first feedback result includes that the roll matches the workstation where the roll is located, and the target product model does not match the current product model, replace the coating operation parameters corresponding to the current product model with the target coating operation parameters, and control the rotating mechanism to perform the roll changing operation.

[0110] For example, if the PLC identifies a roll marked as a reel for a changeover, it retrieves the target coating parameters that match the target product model. After executing the parameter switch, it further executes the reel changeover, which involves replacing or repositioning some of the coating machine's actuators. For example, if the camera corresponding to product model A takes pictures at position M, while the camera corresponding to product model B takes pictures at position N, the camera position needs to be repositioned. After the reel changeover is completed, the coating machine continues to operate, and the reel change process can be started later.

[0111] In the above embodiment, by identifying the roll information, when it is determined that the target product model does not match the current product model, automatic model change and automatic adjustment of equipment parameters are achieved, which reduces the cost of manual misjudgment and reduces the problem of material docking failure caused by inconsistent equipment parameter models.

[0112] In some embodiments, the controller 4 is further configured to control the rotary mechanism to perform a roll change operation if the first feedback result includes that the roll matches the workstation where the roll is located, and the target product model matches the current product model. In this embodiment, by determining the roll workstation and product model, the roll change operation is only performed if the roll is the correct roll, thereby reducing the risk of material errors in subsequent processes due to incorrect rolls or product models.

[0113] In other embodiments of the present application, the controller 4 is further configured to send a second request message to the manufacturing execution system 5 upon completing the tape splicing operation on the roll, wherein the second request message includes the roll identification, the work station where the roll is located, and the current product model; the manufacturing execution system 5 is further configured to generate a roll material identification for the roll material based on the second request message, bind the correspondence between the roll material identification and the roll identification, and send a second feedback message to the controller.

[0114] For example, after completing a roll change and splicing operation, the PLC sends the roll ID, machine number, and current product model to the MES, requesting a new roll number. The MES generates the new roll number and binds it to the roll ID, completing data recording and processing for the previous roll. The target station points to the roll's location and reports the roll ID and roll status information to the PLC. Roll status information, such as whether the roll is in production or has completed production, allows the PLC to keep abreast of the roll status.

[0115] In the above embodiment, the binding process of the coil material information is exchanged between the controller and the manufacturing execution system, and the process of manually requesting the film roll number is omitted, which can improve the degree of equipment automation and reduce the risk of not applying for coil material identification or repeatedly applying for coil material identification.

[0116] In the related art, after manually requesting the film roll number and completing the production, a shipping card is printed and pasted on the film roll. However, there is a possibility that the shipping card is not pasted firmly and falls off, which can easily cause the loss of film roll data.

[0117] In other embodiments of the present application, the controller 4 is further configured to send the acquired production data related to the coil to the manufacturing execution system 5; the manufacturing execution system 5 is further configured to bind the correspondence between the production data, the coil identification and the roll identification.

[0118] For example, during the production process, the PLC records the production data corresponding to the film roll number in real time. The PLC may or may not save the production data, but sends the production data and the corresponding film roll number and reel ID to the MES, which saves the correspondence between the production data, film roll number, and reel ID. After the production is completed, when the film roll data needs to be traced, the MES searches for the corresponding production data and film roll number through the reel ID. Since there is no need for manual printing and pasting of shipping tags, the risk of film roll data loss is greatly reduced, and even the risk of equipment damage and material scrapping caused by processing the wrong film roll in the subsequent process is reduced. In addition, since the application of film roll numbers and the binding of production data are realized through the interaction between the controller and the manufacturing execution system, the risk of applying for multiple film roll numbers for a reel and the inability of the production data to determine which film roll number matches is reduced.

[0119] Figure 3 is a schematic diagram of a coating control system according to one or more embodiments. In this embodiment, the coating control system also includes a splicing mechanism 8 and a second reader 9. The splicing mechanism 8 is arranged at the winding station for performing a splicing operation on the reel 6; the second reader 9 is arranged at the winding station for reading the electronic tag 7 provided on the reel 6 located at the winding station; wherein the controller 4 is further configured to control the splicing mechanism 8 to perform a splicing operation on the reel based on the recognition of the electronic tag by the second reader 9.

[0120] In the related art, during the splicing process, color marks and color mark sensors are used to achieve roll positioning, which is prone to problems such as color mark sensor sensing failure due to color mark contamination. In the above embodiment, the reader is used to identify the electronic tag to control the splicing, which can improve the success rate and quality of splicing and reduce the risk of splicing failure due to color mark contamination and light problems.

[0121] In some embodiments, the tape splicing mechanism includes components such as a pressure roller and a cutter for performing the tape splicing operation. The pressure roller and cutter are located at the end of the swing arm mechanism near the reel. The pressure roller is used to press and bond the web to the adhesive material. The cutter is used to separate the web on the current reel from the web on the previous reel.

[0122] In some embodiments, the second reader 9 is mounted on the frame at the reeling station. When the roll is in the reeling station, the electronic tag 7 is within the reading range of the second reader 9, allowing the second reader to identify the electronic tag and locate the roll. Furthermore, mounting the second reader on the frame is easier than mounting it elsewhere.

[0123] In some embodiments, the controller 4 is further configured to locate the reel according to the identification of the electronic tag by the second reader 9 ; and control the splicing mechanism to perform a splicing operation on the reel based on the positioning information of the reel.

[0124] In this embodiment, since the reader remains stationary, the electronic tag's relative position to the spool remains unchanged. As the spool rotates, the electronic tag rotates with it. When the reader detects the electronic tag, it indicates the spool has reached a predetermined position. This moment can be used as the initial timing for the splicing control sequence. By calculating the specific splicing timing, precise splicing control can be achieved. The splicing process is described in detail below.

[0125] In some embodiments, an adhesive material, such as double-sided tape, is disposed on the side of the roll. The adhesive material extends axially along the roll, and its projection on the end face of the roll is at the same circumferential position as the electronic tag. That is, the double-sided tape is aligned with the electronic tag and adhered to the roll. The double-sided tape is, for example, in the form of an elongated strip having a first edge and a second edge, with the first edge contacting the roll before the second edge.

[0126] The controller determines the first time the roll rotates, from when the second reader recognizes the electronic tag to when the first edge of the adhesive material contacts the roll. As shown in Figures 4A-4B, the second reader 9 recognizes the electronic tag 7, and the electronic tag 7 and the adhesive material rotate counterclockwise with the roll. After the first time, the first edge of the adhesive material needs to adhere to the roll.

[0127] For example, the first rotation time of the roll is determined based on the angle of roll rotation between the time when the second reader recognizes the electronic tag and the first edge of the adhesive material contacts the roll, and the time between two consecutive recognitions of the electronic tag by the second reader. For example, if the time between two consecutive recognitions of the electronic tag by the second reader is T, i.e., the time for one rotation of the roll is T, and the angle of roll rotation between the time when the second reader recognizes the electronic tag and the first edge of the adhesive material contacts the roll is C, and one rotation of the roll is 360 degrees, then the first time is the ratio of angle C to 360 degrees multiplied by time T, i.e., first time Tc = (C / 360)*T. If one rotation of the roll is represented by 2π, then first time Tc = (C / 2π)*T, where angle C is also expressed in radians.

[0128] Furthermore, the controller determines a second time interval between the time when the first edge of the adhesive material contacts the web and the time when the second edge contacts the web, and the roll rotates. For example, the second time interval is determined based on the time interval between two consecutive times when the second reader recognizes the electronic tag, the circumference of the roll, and the width between the first and second edges of the adhesive material.

[0129] For example, the time between two consecutive identifications of the electronic tag by the second reader is T, the circumference of the roll is D, and the width of the adhesive material is L. Then the second time is the product of the ratio of the width L to the circumference D and the time T, that is, the second time Tj = (L / D)*T.

[0130] Furthermore, the controller determines the third time required for the pressure roller 81 of the splicing mechanism to move from the pressure roller starting position to the pressing position, and determines the fourth time required for the cutter 82 of the splicing mechanism to move from the cutter starting position to the cutting position. The pressure roller starting position is the position close to the reel for waiting, and the pressing position is the position when the pressure roller pushes the coil to the reel. The cutter starting position is the position when waiting to cut the coil, and the cutting position is the position when cutting the coil. For example, the third time Ty and the fourth time Tq can be determined by measuring with a card meter. Figures 4A-4B show that the pressure roller 81 is at the starting position, and Figure 4C shows that the pressure roller 81 moves to the pressing position along with the swing arm mechanism 83. Figure 4D shows that the cutter 82 moves to the cutting position along with the swing arm mechanism 83.

[0131] In some embodiments, the controller controls the extension and retraction of the pressure roller by controlling the action of the cylinder of the pressure roller, and controls the extension and retraction of the cutter by controlling the action of the cylinder of the cutter.

[0132] The controller controls the extension and retraction time of the pressing roller and the cutter based on the first time, the second time, the third time and the fourth time to realize the tape splicing operation on the roll.

[0133] In the above embodiment, by controlling the extension and retraction time of the pressing roller and the cutter, the full fit between the coiled material and the adhesive material can be improved, thereby improving the success rate and quality of the automatic tape splicing.

[0134] 5 is used as an example to illustrate the specific timing control of the pressure roller and the cutter.

[0135] In Figure 5, time zero (T0) is the moment the second reader recognizes the electronic tag. After Tc, the first edge of the adhesive material contacts the web. After a first predetermined time (T1) elapses from the second reader recognizing the electronic tag, the pressure roller is controlled to extend. After a second predetermined time (T2) elapses from the second reader recognizing the electronic tag, the cutter is controlled to extend. After a third predetermined time (T3) elapses from the second reader recognizing the electronic tag, the pressure roller and cutter are controlled to retract.

[0136] The first predetermined time T1 is determined based on the difference between the first time and the third time, the second predetermined time is determined based on the difference between the sum of the first time and the second time and the fourth time, and the third predetermined time is determined based on the sum of the first time and the second time. For example, T1 = Tc - Ty, T2 = Tc + Tj - Tq, and T3 = Tc + Tj.

[0137] In the above embodiment, by precisely controlling the pressure roller, the roll material can be fully adhered to the adhesive material on the roll, reducing the probability of tape breakage due to loose adhesion. In addition, by precisely controlling the extension and retraction of the cutter, the situation where the tail of the roll material is left too long can be reduced, thereby improving the quality of the tape splicing.

[0138] FIG6 is a schematic diagram of a coating control method according to one or more embodiments. This embodiment is applied to the winding process. As shown in FIG7A , during the coating winding process, an empty roll B waits for material to be loaded at a waiting position. Roll A at the winding station is driven to turn by a winding mechanism such as a winding shaft, so that the material is wound onto roll A at the winding station until roll A is fully wound. The parallel arrows represent the direction of incoming material, and the arrow above roll A indicates the direction of the winding shaft's turning. As shown in FIG7B , during the roll changing process, a rotating mechanism such as a turret rotates, driving the empty roll B from the waiting position to the winding station. At this time, roll A is fully wound at the waiting position, and the arrow between rolls A and B indicates the direction of the turret's rotation. After the roll changing process is completed, as shown in FIG7C , the tape splicing process is executed. This control process will be described in detail later. The upward arrow indicates the direction of movement of the swing arm mechanism. After the splicing process is complete, the rewinding process continues, as shown in Figure 7D, until empty roll B is filled. The downward arrow indicates the direction of motion of the swing arm mechanism. The turret then rotates, driving the full roll to the waiting position. After the full roll is unloaded, it is sent to the next process. The coating control method is described in detail below.

[0139] In step 610 , before the rotating mechanism performs a roll changing operation, the controller obtains the roll identification of the roll carried by the electronic tag on the roll at the waiting position through the first reader, and sends the roll identification to the manufacturing execution system.

[0140] For example, after a roll is loaded and the empty roll is rotated, the RFID reader / writer recognizes the RFID tag and reads the roll ID contained in the RFID tag. The RFID reader / writer transmits the roll ID to the PLC, which then sends it to the MES. The PLC then controls operations such as roll changing and tape splicing.

[0141] In step 620 , before the winding mechanism performs the winding operation, the manufacturing execution system generates a roll material identification corresponding to the roll material to be wound onto the reel, and sends the roll material identification to the controller, wherein the roll material identification corresponds to the reel identification, and the roll material is a section of coated film.

[0142] For example, after executing the splicing control, the PLC sends a request to the MES to generate a film roll number. After receiving the request, the MES generates the film roll number, binds the film roll number and the reel ID, and then sends the film roll number to the controller.

[0143] In step 630 , the controller controls the winding mechanism to perform a winding operation to wind the web onto the reel.

[0144] In the above embodiment, the controller reads the roll identification in the electronic tag through the first reader and sends the roll identification to the manufacturing execution system, which generates a roll material identification. The roll material identification has a corresponding relationship with the roll identification. Since there is no need to manually request the roll material identification, the roll material identification is generated by the controller and the manufacturing execution system through interaction, thereby reducing the probability of forgetting to apply for or repeatedly applying for the roll material identification.

[0145] In some embodiments of the present application, the controller obtains production data related to the coil, wherein the production data corresponds to the roll identification and the coil identification.

[0146] For example, after receiving the film roll number sent by MES, PLC controls the coating machine to perform the winding operation. After production is completed, it records the production data and sends the production data to MES. MES saves the correspondence between the production data and the roll identification and coil material identification.

[0147] In the subsequent process, the roll identification is read by the RFID reader / writer, and then the roll identification and production data are searched in the MES according to the corresponding relationship, which improves the reliability of film roll data traceability. In addition, since there is no need to print and paste the shipping tag, the risk of film roll data loss is greatly reduced, thereby reducing the risk of equipment damage and material scrap caused by processing the wrong film roll in the subsequent process.

[0148] FIG8 is a schematic diagram of a coating control method according to one or more embodiments.

[0149] In step 810 , the controller sends a first request message to the manufacturing execution system, wherein the first request message includes a reel identifier and a workstation where the reel is located.

[0150] In some embodiments, the first request message may also include the current product model so that the MES can perform product model comparison.

[0151] In some embodiments, the PLC sends a message T10 to the MES, and the message T10 includes information such as the message name, machine number, current product model, and reel ID.

[0152] In step 820 , the manufacturing execution system determines a first feedback result including matching information between the reel and the workstation where the reel is located according to the first request message, and sends the first feedback result to the controller.

[0153] In some embodiments, the manufacturing execution system determines the target workstation of the roll based on the roll identification, and determines whether the roll matches the workstation where the roll is located based on the target workstation of the roll and the workstation where the roll is located.

[0154] For example, if the roll's machine number is 001 and the roll's target machine number is determined to be 002 based on the roll's ID, the roll and its workstation do not match. If the roll's target machine number is also 001, the roll and its workstation match. In this embodiment, determining whether a roll matches the machine number through the MES allows for timely detection of abnormal rolls, reducing the risk of material scrapping caused by using abnormal rolls for subsequent winding operations.

[0155] In some embodiments, when the roll matches the coating station, the manufacturing execution system identifies the target product model based on the roll identification and determines whether the target product model matches the current product model.

[0156] For example, MES identifies the product model to be produced as 1001 based on the roll ID, but the product model currently generated by the coating machine is 1002, which means that the target product model does not match the current product model, thereby promptly identifying the abnormal product and reducing the probability of subsequent production of products that do not meet the requirements.

[0157] In some embodiments, after the MES generates the feedback result, it feeds back a message T20 to the PLC. The message T20 includes information such as the message name, the roll ID, whether the roll belongs to the current workstation, and the target product model.

[0158] In step 830 , the controller controls the coating control system according to the first feedback result.

[0159] In this embodiment, the controller controls the coating control system according to the feedback results of the manufacturing execution system, which can improve the efficiency of subsequent material docking and enhance the degree of automation of the equipment.

[0160] In some embodiments, when the first feedback result includes that the roll does not match the workstation where the roll is located, the controller issues an alarm message, thereby promptly reminding the staff to replace the roll.

[0161] In some embodiments, when the first feedback result includes that the roll matches the workstation where the roll is located, the controller controls the rotating mechanism to perform a roll changing operation to improve the efficiency of subsequent material docking.

[0162] In some embodiments, the first feedback result includes that the roll matches the workstation where the roll is located, and the target product model does not match the current product model. The controller retrieves the target coating operation parameters that match the target product model, replaces the coating operation parameters corresponding to the current product model with the target coating operation parameters, and controls the rotating mechanism to perform the roll changing operation, thereby realizing automatic model changing and automatic adjustment of equipment parameters.

[0163] In some embodiments, when the first feedback result includes that the roll matches the coating station and the target product model matches the current product model, the controller controls the rotating mechanism to perform a roll changing operation to reduce the risk of subsequent coating operation failure due to abnormal film rolls.

[0164] FIG. 9 is a schematic diagram of a coating control method according to one or more embodiments.

[0165] In step 910 , after completing the tape splicing operation on the reel, the controller sends a second request message to the manufacturing execution system, wherein the second request message includes the reel identifier, the workstation where the reel is located, and the current product model.

[0166] In some embodiments, the PLC sends a message T30 to the MES, wherein the message T30 includes a message name, a machine number, a current product model, and a reel ID. In this embodiment, the film reel number is requested by sending the message T30.

[0167] In step 920 , the manufacturing execution system generates a coil material identifier for the coil material according to the second request message, binds the corresponding relationship between the coil material identifier and the reel identifier, and sends a second feedback message to the controller.

[0168] In some embodiments, the MES feeds back a message T40 to the PLC, where the message T40 includes a message name, a roll ID, and film roll status information.

[0169] In the above embodiment, when the tape splicing is completed, the controller actively requests the manufacturing execution system to obtain the coil material identification. The manufacturing execution system binds the roll identification and the coil material identification, thereby improving the degree of equipment automation. In addition, since the process of manually requesting the film roll number is eliminated, the probability of forgetting to apply or repeatedly applying for the coil material identification is reduced.

[0170] In other embodiments of the present application, the controller sends the acquired production data related to the coil to the manufacturing execution system, and the manufacturing execution system binds the corresponding relationship between the production data, the coil identification and the roll identification.

[0171] For example, PLC sends production data to MES, which saves the correspondence between production data, coil identification and roll identification, improving the reliability of film roll data traceability and reducing the risk of data loss caused by human factors.

[0172] In other embodiments of the present application, the roll-changing process is improved. The controller controls the tape splicing mechanism to perform a tape splicing operation on the roll based on the second reader identifying the electronic tag located at the reeling station.

[0173] In this embodiment, an electronic tag replaces the color mark, and a second reader replaces the color mark sensor to control the tape splicing mechanism to splice the roll, which can reduce the problem of tape splicing failure caused by abnormal conditions such as color mark sensor sensing failure caused by dirty color marks.

[0174] In some embodiments, the reel is positioned based on the second reader's recognition of the electronic tag, and the splicing mechanism is controlled to splice the reel based on the reel's positioning information. In this embodiment, using the electronic tag's in-position signal for reel positioning and splicing control can improve control efficiency.

[0175] FIG. 10 is a schematic diagram of a coating control method according to one or more embodiments.

[0176] In step 1010 , it is determined that the second reader recognizes that the first edge of the electronic tag is in contact with the web and the web rotates for the first time.

[0177] In some embodiments, the first time of the roll rotation is determined based on the angle of the roll rotation from when the second reader recognizes the electronic tag to when the first edge of the adhesive material contacts the roll material, and the time between two adjacent times when the second reader recognizes the electronic tag.

[0178] At step 1020 , a second time during which the roll rotates from the first edge of the adhesive material contacting the web to the second edge contacting the web is determined, wherein the first edge contacts the web before the second edge.

[0179] In some embodiments, the second time is determined based on the time between two consecutive times when the second reader recognizes the electronic tag, the circumference of the roll, and the width between the first edge and the second edge of the adhesive material.

[0180] In step 1030, a third time required for the pressure roller of the belt splicing mechanism to move from the pressure roller starting position to the pressing position is determined.

[0181] For example, the time required for the pressure roller to move from the starting position to the pressing position can be determined by measuring with a card meter.

[0182] In step 1040, a fourth time required for the cutter of the tape splicing mechanism to move from the cutter start position to the cut-off position is determined.

[0183] For example, the time required for the cutter to move from the starting position to the cutting position can be determined by measuring with a card meter.

[0184] In step 1050, based on the first time, the second time, the third time and the fourth time, the extension and retraction time of the pressure roller and the cutter are controlled to achieve the control of the tape splicing of the reel.

[0185] In some embodiments, the first predetermined time from when the second reader recognizes the electronic tag to when the pressure roller extends is determined based on the difference between the first time and the third time.

[0186] A second predetermined time from when the second reader recognizes the electronic tag to when the cutter extends is determined based on the difference between the sum of the first time and the second time and the fourth time.

[0187] A third predetermined time from when the second reader recognizes the electronic tag to when the pressing roller and the cutter are controlled to retract is determined according to the sum of the first time and the second time.

[0188] In the above embodiment, the electronic tag signal is detected to realize the splicing control, which improves the adhesion between the coil and the adhesive material on the one hand, and reduces the tail of the coil on the other hand, thereby improving the success rate and quality of the automatic splicing.

[0189] The following will introduce the winding process of this application by taking a specific embodiment as an example, as shown in Figure 11.

[0190] In step 1110, the PLC controls the loading of the reel. The reel is provided with an RFID tag which carries the reel ID.

[0191] In step 1120, after the loading is completed, the PLC controls the empty roll to rotate.

[0192] In step 1130, the first RFID reader / writer identifies the RFID tag and reads the roll ID in the RFID tag.

[0193] In step 1140, the PLC sends the reel ID, machine number, and current product model to the MES, for example, via message T10.

[0194] In step 1150 , the MES determines whether the reel target machine number matches the current machine number. If so, step 1160 is executed; otherwise, step 1170 is executed.

[0195] In step 1160 , the MES determines whether the current product model matches the target product model. If so, step 1161 is executed; otherwise, step 1162 is executed.

[0196] At step 1161 , the MES marks the reel as a correct reel.

[0197] At step 1162, the MES marks the reel as a changeover reel.

[0198] At step 1170, the MES marks the reel as an abnormal reel.

[0199] In step 1180, the MES feeds back the judgment result to the PLC, for example, by sending a message via message T20.

[0200] In step 1190 , if the MES feedback is successful, the PLC identifies the feedback result.

[0201] In step 11100, when the feedback result indicates that the reel is an abnormal reel, the PLC outputs an alarm message, for example, a voice prompt or a text prompt to replace the reel with the correct one.

[0202] In step 11110, when the feedback result indicates that the reel is a reel for changing models, the PLC retrieves target model parameters.

[0203] In step 11120, the PLC replaces the current model parameters with the target model parameters.

[0204] In step 11130, the equipment is changed.

[0205] In step 11131, after the changeover is completed, a message indicating that the equipment is ready is displayed, and step 11140 is subsequently executed.

[0206] In step 11140, when the feedback result indicates that the roll is in the correct position, the PLC waits for the roll change to start.

[0207] In step 11141, the PLC controls the roll changing operation.

[0208] In step 11150, after the roll changing action is completed, the PLC controls the roll splicing action.

[0209] In step 11160, after the reel splicing operation is completed, the PLC sends a request to the MES to obtain the film reel number, for example, by sending a message T30.

[0210] In step 11170, the MES generates a film reel number.

[0211] In step 11180, the MES binds the film roll number to the roll ID and stops recording data for the previous film roll number.

[0212] In step 11190, the MES sends a feedback to the PLC to transmit the film roll number to the PLC, for example, by sending a message via message T40.

[0213] In step 11200, the PLC obtains production data and sends the production data to the MES.

[0214] In step 11210, the MES binds the production data to the film roll number.

[0215] In the above embodiment, the steps of manually requesting film roll information and pasting shipping tags are eliminated. Instead, the PLC automatically requests the film roll number from the MES, and the MES binds the corresponding relationship between the production data and the film roll number, thereby improving the reliability of film roll information traceability. In addition, by identifying the roll information, automatic type change and automatic adjustment of equipment parameters, as well as automatic processing of abnormal rolls or film rolls, are also realized, which reduces labor costs and improves the degree of equipment automation and flexible processing capabilities.

[0216] Those skilled in the art will understand that in the above method of the specific embodiment, the writing order of each step does not mean a strict execution order and does not constitute any limitation on the real-time process. The specific execution order of each step should be determined by its function and possible internal logic.

[0217] The above description of the various embodiments tends to emphasize the differences between the various embodiments. The same or similar aspects can be referenced with each other and will not be repeated herein for the sake of brevity.

[0218] So far, the present application has been described in detail. In order to avoid obscuring the concept of the present application, some details well known in the art have not been described. Based on the above description, those skilled in the art can fully understand how to implement the technical solutions disclosed herein.

[0219] The methods and systems of the present application may be implemented in many ways. For example, the methods and systems of the present application may be implemented by software, hardware, firmware, or any combination of software, hardware, and firmware. The above order of steps for the method is for illustration only, and the steps of the method of the present application are not limited to the order specifically described above, unless otherwise specifically stated. In addition, in some embodiments, the present application may also be implemented as programs recorded in a recording medium, which include machine-readable instructions for implementing the methods according to the present application. Therefore, the present application also covers recording media that store programs for executing the methods according to the present application.

[0220] Although some specific embodiments of the present application have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present application. It should be understood by those skilled in the art that the above examples may be modified without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A coating control system, comprising: A rotating mechanism for performing a roll change operation to rotate a reel located at the waiting position to the winding station, wherein an electronic tag is provided on the reel, and the electronic tag carries the reel identification of the reel; A winding mechanism for performing a winding operation to wind a web onto the reel at the winding station, wherein the web is a section of coated film; A first reader provided at the waiting position for reading the electronic tag provided on the reel located at the waiting position; A controller electrically connected to the first reader and configured to obtain the reel identification from the first reader and send it to the manufacturing execution system before the rotating mechanism performs the roll change operation; And A manufacturing execution system electrically connected to the controller and configured to generate a web identification corresponding to the web before the winding mechanism performs the winding operation, wherein the reel identification and the web identification correspond to each other.

2. The coating control system according to claim 1, wherein The electronic tag is located on the end face of the reel; and The first reader is provided on the frame at the waiting position, and when the reel is at the waiting position, the electronic tag is within the reading range of the first reader.

3. The coating control system according to claim 1, wherein The controller is further configured to obtain production data related to the web, wherein the production data corresponds to the reel identification and the web identification.

4. The coating control system according to claim 1, wherein The controller is further configured to send a first request message to the manufacturing execution system, wherein the first request message includes the reel identification and the station where the reel is located; and The manufacturing execution system is further configured to determine a first feedback result including the matching information between the reel and the station where the reel is located according to the first request message, and send the first feedback result to the controller so that the controller controls the coating control system according to the first feedback result.

5. The coating control system according to claim 4, wherein The controller is further configured to control the rotating mechanism to perform the roll change operation when the first feedback result includes that the reel and the station where the reel is located match.

6. The coating control system according to claim 4, wherein The manufacturing execution system is further configured to determine the target station of the reel according to the reel identification, and determine whether the reel and the station where the reel is located match according to the target station of the reel and the station where the reel is located.

7. The coating control system according to claim 4, wherein The first request message further includes the current product model, and the first feedback result further includes the matching information between the target product model and the current product model, wherein The controller is further configured to, when the first feedback result includes that the reel matches the station where the reel is located and the target product model does not match the current product model, retrieve target coating operation parameters matching the target product model, replace the coating operation parameters corresponding to the current product model with the target coating operation parameters, and control the rotating mechanism to perform a reel change operation.

8. The coating control system according to any one of claims 1 to 7, further comprising: A tape connecting mechanism, arranged at the winding station, for performing a tape connecting operation on the reel; A second reader, arranged at the winding station, for reading an electronic tag provided on the reel located at the winding station; Wherein, the controller is further configured to control the tape connecting mechanism to perform a tape connecting operation on the reel according to the identification of the electronic tag by the second reader.

9. The coating control system according to claim 8, wherein The second reader is arranged on the frame at the winding station, and when the reel is at the winding station, the electronic tag is within the reading range of the second reader.

10. The coating control system according to claim 8, wherein, The controller is further configured to: Locate the reel according to the identification of the electronic tag by the second reader; and Based on the positioning information of the reel, control the tape connecting mechanism to perform a tape connecting operation on the reel.

11. The coating control system according to claim 10, wherein, An adhesive material is further arranged on the side surface of the reel, the adhesive material extends along the axial direction of the reel, and the projection of the adhesive material on the end surface of the reel is at the same circumferential position as the electronic tag. Wherein, the controller is further configured to: Determine the first time when the second reader identifies the electronic tag until the first edge of the adhesive material contacts the web material and the reel rotates; Determine the second time when the first edge of the adhesive material contacts the web material until the second edge of the adhesive material contacts the web material and the reel rotates, wherein the first edge contacts the web material before the second edge; Determine the third time required for the pressure roller of the tape connecting mechanism to move from the starting position of the pressure roller to the clamping position; Determine the fourth time required for the cutter of the tape connecting mechanism to move from the starting position of the cutter to the cutting position; and Based on the first time, the second time, the third time, and the fourth time, control the telescopic time of the pressure roller and the cutter to implement the tape connecting operation on the reel.

12. The coating control system according to any one of claims 1 to 7, wherein The electronic tag includes a radio frequency identification (RFID) tag, and the first reader includes an RFID reading and writing device; or The electronic tag includes a near field communication (NFC) card, and the first reader includes an NFC card reader; or The electronic tag includes a two-dimensional code, and the first reader includes a two-dimensional code identifier.

13. A coating control method, comprising: Before the rotating mechanism performs a reel change operation, the controller obtains the reel identifier of the reel carried by the electronic tag on the reel located at the waiting position through the first reader, and sends the reel identifier to the manufacturing execution system; Before the coiling mechanism performs the coiling operation, the manufacturing execution system generates a coil identification of the coil material to be wound onto the reel, and sends the coil identification to the controller, wherein the coil identification corresponds to the reel identification, and the coil material is a section of coated film; and The controller controls the coiling mechanism to perform the coiling operation to wind the coil material onto the reel.

14. The coating control method according to claim 13, further comprising: The controller obtains production data related to the coil material, wherein the production data corresponds to the reel identification and the coil identification.

15. The coating control method according to claim 13, further comprising: The controller sends a first request message to the manufacturing execution system, wherein the first request message includes the reel identification and the station where the reel is located; The manufacturing execution system determines a first feedback result including the matching information between the reel and the station where the reel is located according to the first request message, and sends the first feedback result to the controller; and The controller controls the coating control system according to the first feedback result.

16. The coating control method according to claim 15, wherein, The controller controls the coating control system according to the first feedback result includes: When the first feedback result includes that the reel matches the station where the reel is located, the controller controls the rotating mechanism to perform a reel change operation.

17. The coating control method according to claim 15, wherein, The manufacturing execution system determines a first feedback result including the matching information between the reel and the station where the reel is located according to the first request message includes: The manufacturing execution system determines the target station of the reel according to the reel identification, and determines whether the reel matches the station where the reel is located according to the target station of the reel and the station where the reel is located.

18. The coating control method according to claim 15, wherein, The first request message further includes the current product model, and the first feedback result further includes the matching information between the target product model and the current product model. Wherein, the controller controls the coating control system according to the first feedback result includes: When the first feedback result includes that the reel matches the station where the reel is located and the target product model does not match the current product model, the controller retrieves the target coating operation parameters matching the target product model, replaces the coating operation parameters corresponding to the current product model with the target coating operation parameters, and controls the rotating mechanism to perform a reel change operation.

19. The coating control method according to claim 13, further comprising: When the controller completes the tape splicing operation for the reel, the controller sends a second request message to the manufacturing execution system, wherein the second request message includes the reel identification, the station where the reel is located and the current product model; and The manufacturing execution system generates a coil identification of the coil material according to the second request message, binds the corresponding relationship between the coil identification and the reel identification, and sends a second feedback message to the controller.

20. The coating control method according to claim 19, further comprising: The controller sends the production data related to the coil material obtained to the manufacturing execution system; and The manufacturing execution system binds the corresponding relationship among the production data, the coil material identifier, and the reel identifier.

21. The coating control method according to claim 19, wherein The second feedback message includes the reel identifier and the coil material status information.

22. The coating control method according to any one of claims 13 to 21 further includes: Based on the identification of the electronic tag located at the winding station by the second reader, the controller controls the tape splicing mechanism to perform a tape splicing operation on the reel.

23. The coating control method according to claim 22, wherein, The controller controls the tape splicing mechanism to perform a tape splicing operation on the reel based on the identification of the electronic tag located at the winding station by the second reader, including: Positioning the reel according to the identification of the electronic tag by the second reader; and Based on the positioning information of the reel, controlling the tape splicing mechanism to perform a tape splicing operation on the reel.

24. The coating control method according to claim 23, wherein, The electronic tag is located on the end face of the reel, the second reader is located on the rack at the winding station, and when the reel is at the winding station, the electronic tag is within the reading range of the second reader. Wherein, the adhesive material is located on the side surface of the reel, extends along the axial direction of the reel, and the projection of the adhesive material on the end face of the reel is at the same circumferential position as the electronic tag. Wherein, the controller controls the tape splicing mechanism to perform a tape splicing operation on the reel, including: Determining the first time when the reel rotates from the second reader identifying the electronic tag to the first edge of the adhesive material contacting the coil material; Determining the second time when the reel rotates from the first edge of the adhesive material contacting the coil material to the second edge of the adhesive material contacting the coil material, wherein the first edge contacts the coil material before the second edge; Determining the third time required for the pressure roller of the tape splicing mechanism to move from the starting position of the pressure roller to the pressing position; Determining the fourth time required for the cutter of the tape splicing mechanism to move from the starting position of the cutter to the cutting position; and Based on the first time, the second time, the third time, and the fourth time, controlling the telescopic time of the pressure roller and the cutter to achieve tape splicing control of the reel.

25. The coating control method according to claim 24, wherein, The controller determines the first time when the reel rotates, including: Determining the first time when the reel rotates according to the angle of rotation of the reel from the second reader identifying the electronic tag to the first edge of the adhesive material contacting the coil material and the time between two adjacent identifications of the electronic tag by the second reader.

26. The control method according to claim 24, wherein, The controller determines the second time when the reel rotates, including: Determining the second time according to the time between two adjacent identifications of the electronic tag by the second reader, the circumference of the reel, and the width information between the first edge and the second edge of the adhesive material.

27. The control method according to claim 24, wherein, The controller controls the telescopic time of the pressure roller and the cutter, including: After the electronic tag is recognized by the second reader, after a first predetermined time, control the pressure roller to extend, where the first predetermined time is determined according to the difference between the first time and the third time; After the electronic tag is recognized by the second reader, after a second predetermined time, control the cutter to extend, where the second predetermined time is determined according to the difference between the sum of the first time and the second time and the fourth time; and After the electronic tag is recognized by the second reader, after a third predetermined time, control the pressure roller and the cutter to retract, where the third predetermined time is determined according to the sum value of the first time and the second time.

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