CN109592467B - Control method and device for slitting machine - Google Patents
Control method and device for slitting machine Download PDFInfo
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- CN109592467B CN109592467B CN201811401292.4A CN201811401292A CN109592467B CN 109592467 B CN109592467 B CN 109592467B CN 201811401292 A CN201811401292 A CN 201811401292A CN 109592467 B CN109592467 B CN 109592467B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
- B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
- B65H26/04—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs for variation in tension
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Abstract
The application discloses a control method and device of a slitting machine. The method comprises the following steps: detecting the tension of a material on a discharging roller of the slitting machine to obtain a first tension value; detecting the tension of the material on a material receiving roller of the slitting machine to obtain a second tension value; and under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a first preset value, adjusting the running speed of the discharging roller through a frequency converter. Through this application, the problem of slitting machine blowing and the tension difference of the in-process material of receiving the material big among the correlation technique, the easy waste material that produces of the material that obtains of cutting is solved.
Description
Technical Field
The application relates to the technical field of automatic control of equipment, in particular to a control method and device of a slitting machine.
Background
At the in-process of branch strip machine at cutting lithium-ion battery pole piece, need transport the pole piece from the blowing roller and receive the material roller, cut the pole piece in receiving material roller department, tension at the pole piece of receiving material roller and blowing roller department is different, can influence the quality of pole piece, concretely, it is lax to roll up the material, the tension of the material of receiving material roller department is less, can produce the waste material when cutting the pole piece, compact when rolling up the material, the pole piece can draw the inner structure who decreases the pole piece at blowing and receipts material in-process, it is inhomogeneous to lead to the section, produce the waste material, consequently, the speed control of receipts decoiler is the key technology measure who ensures the continuity, safety, high-efficient production.
Aiming at the problems that the tension difference of materials is large in the feeding and receiving processes of a slitting machine in the related technology, and the materials obtained by slitting are easy to generate waste materials, an effective solution is not provided at present.
Disclosure of Invention
The application provides a control method and device of a slitting machine, and aims to solve the problems that in the process of feeding and receiving materials of the slitting machine in the related technology, the tension difference of the materials is large, and the materials obtained by slitting are easy to generate waste materials.
According to one aspect of the application, a control method of a slitting machine is provided. The method comprises the following steps: detecting the tension of a material on a discharging roller of the slitting machine to obtain a first tension value; detecting the tension of the material on a material receiving roller of the slitting machine to obtain a second tension value; and under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a first preset value, adjusting the running speed of the discharging roller through a frequency converter.
Further, after detecting the tension of the material on the receiving roller of the slitting machine and obtaining a second tension value, the method further comprises the following steps: sending a fault signal to a controller under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a second preset value, wherein the second preset value is greater than the first preset value; the controller controls the slitting machine to stop running based on the fault signal.
Further, under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a first preset value, the adjusting the running speed of the discharging roller through the frequency converter comprises the following steps: under the condition that the difference value between the first tension value and the second tension value is a positive value, reducing the rotating speed of the motor through the frequency converter so as to reduce the running speed of the discharging roller; and under the condition that the difference value between the first tension value and the second tension value is a negative value, the rotating speed of the motor is increased through the frequency converter so as to increase the running speed of the discharging roller.
Further, the method further comprises: and adjusting the first preset value and/or adjusting the second preset value on the touch screen, wherein the touch screen is in communication connection with the controller.
Further, the method further comprises: and controlling the relative distance between the target rollers to be within a preset range, wherein the target rollers are positioned between the discharging roller and the receiving roller.
According to another aspect of the application, a control device for a slitting machine is provided. The device includes: the first detection unit is used for detecting the tension of the material on the discharging roller of the slitting machine to obtain a first tension value; the second detection unit is used for detecting the tension of the material on the material receiving roller of the slitting machine to obtain a second tension value; and the first adjusting unit is used for adjusting the running speed of the discharging roller through the frequency converter under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a first preset value.
Further, the apparatus further comprises: the sending unit is used for sending a fault signal to the controller under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a second preset value after the tension of the material on the material receiving roller of the slitting machine is detected to obtain the second tension value, wherein the second preset value is greater than the first preset value; and the first control unit is used for controlling the slitting machine to stop running based on the fault signal by the controller.
Further, the first adjusting unit includes: the speed reduction module is used for reducing the rotating speed of the motor through the frequency converter under the condition that the difference value between the first tension value and the second tension value is a positive value so as to reduce the running speed of the discharging roller; and the speed increasing module is used for increasing the rotating speed of the motor through the frequency converter under the condition that the difference value of the first tension value and the second tension value is a negative value so as to increase the running speed of the discharging roller.
In order to achieve the above object, according to another aspect of the present application, there is provided a storage medium including a stored program, wherein the program executes any one of the above-described control methods of a slitter.
In order to achieve the above object, according to another aspect of the present application, there is provided a processor for executing a program, wherein the program executes a control method of any of the above-mentioned striper.
Through the application, the following steps are adopted: detecting the tension of a material on a discharging roller of the slitting machine to obtain a first tension value; detecting the tension of the material on a material receiving roller of the slitting machine to obtain a second tension value; under the condition that the absolute value of the difference value between the first tension value and the second tension value is larger than the first preset value, the running speed of the discharging roller is adjusted through the frequency converter, and the problems that in the related technology, the tension difference of materials is large in the discharging and receiving processes of the slitting machine, and the materials obtained through slitting are prone to generating waste materials are solved. The running speed of the discharging roller is adjusted through the frequency converter, so that the tension difference of materials on the discharging roller and the receiving roller is controlled within a reasonable range, the synchronous discharging and receiving of the slitting machine are controlled, and the waste generation rate is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
fig. 1 is a flowchart of a control method of a slitting machine according to an embodiment of the present application; and
fig. 2 is a schematic diagram of a control device of a slitting machine according to an embodiment of the present application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
According to an embodiment of the application, a control method of a slitting machine is provided.
Fig. 1 is a flowchart of a control method of a slitting machine according to an embodiment of the present application. As shown in fig. 1, the method comprises the steps of:
step S101, detecting the tension of the material on the discharging roller of the slitting machine to obtain a first tension value.
For example, the material is a lithium battery pole piece, a tension sensor is arranged at the discharging roller and is in contact with the pole piece discharged by the discharging roller, and the tension of the pole piece is detected to obtain a first tension value.
And S102, detecting the tension of the material on the material receiving roller of the slitting machine to obtain a second tension value.
Specifically, a tension sensor is also arranged at the material receiving roller and is in contact with the pole piece to be cut at the material receiving roller, and the tension value of the pole piece is detected to obtain a second tension value.
And step S103, under the condition that the absolute value of the difference value between the first tension value and the second tension value is larger than a first preset value, adjusting the running speed of the discharging roller through a frequency converter.
It should be noted that, when the difference between the tension of the material at the discharging roller and the tension of the material at the receiving roller is large, the receiving and discharging rhythm is inconsistent, and waste materials are easily generated after the material is cut.
For example, in the process of cutting the lithium battery pole piece, if the pole piece is too large in tension in the conveying process, the pole piece structure is easily damaged, so that the quality of the pole piece is reduced, if the pole piece is small in tension in the conveying process, the pole piece reaches the receiving roller, and when the pole piece is cut, the pole piece is not favorable for quickly and accurately cutting the pole piece, so that the cutting deviation is easily caused, therefore, the running speed of the discharging roller is adjusted through a frequency converter, the discharging speed is adjusted, the pole piece in the conveying process is under proper tension, and the pole piece meeting the specification is quickly cut.
Optionally, in the control method of the slitter provided in the embodiment of the present application, when an absolute value of a difference between the first tension value and the second tension value is greater than a first preset value, adjusting the running speed of the discharging roller by the frequency converter includes: under the condition that the difference value between the first tension value and the second tension value is a positive value, reducing the rotating speed of the motor through the frequency converter so as to reduce the running speed of the discharging roller; and under the condition that the difference value between the first tension value and the second tension value is a negative value, the rotating speed of the motor is increased through the frequency converter so as to increase the running speed of the discharging roller.
Specifically, under the condition that the difference value of first tension value and second tension value is the positive value, it is very fast to explain blowing speed, and it is very slow to receive material speed, and the tension of locating the material at the receipts material roller is less, influences cutting accuracy, and damages the cutter easily, therefore, reduce the rotational speed of blowing motor through the converter to reduce the blowing speed of blowing roller, make unwinding speed and rolling speed keep unanimous, thereby increase the tension of the material in the data send process, cut out suitable product fast in receipts material roller department. Under the condition that the difference of first tension value and second tension value is the negative value, it is slower to explain blowing speed, it is faster to receive material speed, the tension of the in-process material at the conveying is great, great tension can destroy the inner structure of material, make the material warp, therefore, the rotational speed of blowing motor risees through the converter, thereby strengthen the blowing speed of blowing roller, make unwinding speed and rolling speed keep unanimous, thereby reduce the tension of the material in the data send process, receive material roller department rapid cutting out suitable product.
Optionally, in the control method of the slitting machine provided in this embodiment of the present application, after detecting the tension of the material on the receiving roller of the slitting machine and obtaining the second tension value, the method further includes: sending a fault signal to a controller under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a second preset value, wherein the second preset value is greater than the first preset value; the controller controls the slitting machine to stop running based on the fault signal.
It should be noted that when the tension difference exists between the material at the discharging roller and the material at the receiving roller, the running speed of the discharging roller can be adjusted through the frequency converter, so that the tension difference is reduced, and the generation of waste materials is prevented; however, when the tension difference between the material at the discharging roller and the material at the receiving roller is large, the quality of the material is seriously influenced, the slitting machine is controlled to stop, the fault of the slitting machine is detected, and the production is carried out after the equipment is recovered.
Optionally, in the control method of a slitting machine provided in an embodiment of the present application, the method further includes: and adjusting the first preset value and/or adjusting the second preset value on the touch screen, wherein the touch screen is in communication connection with the controller.
It should be noted that, because the requirements of different types of materials on the tension are different, the maximum tension that can be borne is different, the first preset value is adjusted on the touch screen, so that the operating speed of the material receiving roller is adjusted in time when the tension difference becomes large, and the second preset value is adjusted, so that the tension difference is too large, and the equipment is stopped in time when abnormality occurs.
Optionally, in the control method of a slitting machine provided in an embodiment of the present application, the method further includes: and controlling the relative distance between the target rollers to be within a preset range, wherein the target rollers are positioned between the discharging roller and the receiving roller.
It should be noted that, a plurality of rollers for supporting the material conveying are arranged between the discharging roller and the receiving roller, the distance between two adjacent rollers is adjusted according to different types of materials, the phenomenon that the distance is too small, the tension of the material is too large, the phenomenon that the distance is too large, the tension of the material is too small, the distance between two adjacent rollers is adjusted, the material is conveyed efficiently, and meanwhile the material cannot be damaged due to the too large tension.
According to the control method of the slitting machine, the first tension value is obtained by detecting the tension of the material on the discharging roller of the slitting machine; detecting the tension of the material on a material receiving roller of the slitting machine to obtain a second tension value; under the condition that the absolute value of the difference value between the first tension value and the second tension value is larger than the first preset value, the running speed of the discharging roller is adjusted through the frequency converter, and the problems that in the related technology, the tension difference of materials is large in the discharging and receiving processes of the slitting machine, and the materials obtained through slitting are prone to generating waste materials are solved. The running speed of the discharging roller is adjusted through the frequency converter, so that the tension difference of materials on the discharging roller and the receiving roller is controlled within a reasonable range, the synchronous discharging and receiving of the slitting machine are controlled, and the waste generation rate is reduced.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
The embodiment of the present application further provides a control device of a slitting machine, and it should be noted that the control device of the slitting machine of the embodiment of the present application can be used for executing the control method for the slitting machine provided by the embodiment of the present application. The control device of the slitting machine provided by the embodiment of the application is introduced below.
Fig. 2 is a schematic view of a control device of a slitting machine according to an embodiment of the application. As shown in fig. 2, the apparatus includes: a first detection unit 10, a second detection unit 20 and a first adjustment unit 30.
Specifically, the first detection unit 10 is configured to detect tension of a material on a discharging roller of the slitting machine, so as to obtain a first tension value;
the second detection unit 20 is used for detecting the tension of the material on the material receiving roller of the slitting machine to obtain a second tension value;
and the first adjusting unit 30 is used for adjusting the running speed of the discharging roller through the frequency converter under the condition that the absolute value of the difference value of the first tension value and the second tension value is greater than a first preset value.
Optionally, in the control device of a slitting machine provided in this embodiment of the present application, the device further includes: the sending unit is used for sending a fault signal to the controller under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a second preset value after the tension of the material on the material receiving roller of the slitting machine is detected to obtain the second tension value, wherein the second preset value is greater than the first preset value; and the first control unit is used for controlling the slitting machine to stop running based on the fault signal by the controller.
Optionally, in the control device of the slitter provided in the embodiment of the present application, the first adjusting unit 30 includes: the speed reduction module is used for reducing the rotating speed of the motor through the frequency converter under the condition that the difference value between the first tension value and the second tension value is a positive value so as to reduce the running speed of the discharging roller; and the speed increasing module is used for increasing the rotating speed of the motor through the frequency converter under the condition that the difference value of the first tension value and the second tension value is a negative value so as to increase the running speed of the discharging roller.
Optionally, in the control device of a slitting machine provided in this embodiment of the present application, the device further includes: and the second adjusting unit is used for adjusting the first preset value and/or adjusting the second preset value on the touch screen, wherein the touch screen is in communication connection with the controller.
Optionally, in the control device of a slitting machine provided in this embodiment of the present application, the device further includes: and the second control unit is used for controlling the relative distance between the target rollers to be within a preset range, wherein the target rollers are positioned between the discharging roller and the receiving roller.
According to the control device of the slitting machine, the tension of the material on the discharging roller of the slitting machine is detected through the first detection unit 10, and a first tension value is obtained; the second detection unit 20 detects the tension of the material on the material receiving roller of the slitting machine to obtain a second tension value; under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than the first preset value, the first adjusting unit 30 adjusts the running speed of the discharging roller through the frequency converter, the problem that the tension difference of materials is large in the discharging and receiving processes of the slitting machine in the related technology, the obtained materials are cut to easily generate waste materials is solved, the running speed of the discharging roller is adjusted through the frequency converter, the tension difference of the materials on the discharging roller and the receiving roller is controlled within a reasonable range, the synchronous discharging and receiving of the slitting machine is controlled, and the effect of reducing the waste material generation rate is achieved.
The control device of the slitting machine comprises a processor and a memory, the first detection unit 10, the second detection unit 20, the first adjustment unit 30 and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, and the problem that in the process of discharging and receiving materials of the slitting machine in the related technology, the tension difference of the materials is large, and the materials obtained by slitting are easy to generate waste materials is solved by adjusting the kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
An embodiment of the present invention provides a storage medium, on which a program is stored, which, when executed by a processor, implements a control method of the slitter.
The embodiment of the invention provides a processor, which is used for running a program, wherein the program executes a control method of a slitting machine during running.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein the processor executes the program and realizes the following steps: detecting the tension of a material on a discharging roller of the slitting machine to obtain a first tension value; detecting the tension of the material on a material receiving roller of the slitting machine to obtain a second tension value; and under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a first preset value, adjusting the running speed of the discharging roller through a frequency converter.
After detecting the tension of the material on the material receiving roller of the slitting machine and obtaining a second tension value, the method further comprises the following steps: sending a fault signal to a controller under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a second preset value, wherein the second preset value is greater than the first preset value; the controller controls the slitting machine to stop running based on the fault signal.
Under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a first preset value, the step of adjusting the running speed of the discharging roller through the frequency converter comprises the following steps: under the condition that the difference value between the first tension value and the second tension value is a positive value, reducing the rotating speed of the motor through the frequency converter so as to reduce the running speed of the discharging roller; and under the condition that the difference value between the first tension value and the second tension value is a negative value, the rotating speed of the motor is increased through the frequency converter so as to increase the running speed of the discharging roller.
The method further comprises the following steps: and adjusting the first preset value and/or adjusting the second preset value on the touch screen, wherein the touch screen is in communication connection with the controller.
The method further comprises the following steps: and controlling the relative distance between the target rollers to be within a preset range, wherein the target rollers are positioned between the discharging roller and the receiving roller. The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device: detecting the tension of a material on a discharging roller of the slitting machine to obtain a first tension value; detecting the tension of the material on a material receiving roller of the slitting machine to obtain a second tension value; and under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a first preset value, adjusting the running speed of the discharging roller through a frequency converter.
After detecting the tension of the material on the material receiving roller of the slitting machine and obtaining a second tension value, the method further comprises the following steps: sending a fault signal to a controller under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a second preset value, wherein the second preset value is greater than the first preset value; the controller controls the slitting machine to stop running based on the fault signal.
Under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a first preset value, the step of adjusting the running speed of the discharging roller through the frequency converter comprises the following steps: under the condition that the difference value between the first tension value and the second tension value is a positive value, reducing the rotating speed of the motor through the frequency converter so as to reduce the running speed of the discharging roller; and under the condition that the difference value between the first tension value and the second tension value is a negative value, the rotating speed of the motor is increased through the frequency converter so as to increase the running speed of the discharging roller.
The method further comprises the following steps: and adjusting the first preset value and/or adjusting the second preset value on the touch screen, wherein the touch screen is in communication connection with the controller.
The method further comprises the following steps: and controlling the relative distance between the target rollers to be within a preset range, wherein the target rollers are positioned between the discharging roller and the receiving roller.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (9)
1. A control method for a slitting machine, comprising:
detecting the tension of a material on a discharging roller of the slitting machine to obtain a first tension value;
detecting the tension of the material on a material receiving roller of the slitting machine to obtain a second tension value;
under the condition that the absolute value of the difference value between the first tension value and the second tension value is larger than a first preset value, adjusting the running speed of the discharging roller through a frequency converter;
adjusting the relative distance between a plurality of target rollers to be within a preset range according to different types of materials, wherein the target rollers are located between the discharging roller and the receiving roller.
2. The method of claim 1, wherein after detecting the tension of the material on the receiving roll of the slitter and obtaining a second tension value, the method further comprises:
sending a fault signal to a controller under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a second preset value, wherein the second preset value is greater than the first preset value;
and the controller controls the slitting machine to stop running based on the fault signal.
3. The method of claim 1, wherein adjusting the operating speed of the blowing roller by a frequency converter in the event that the absolute value of the difference between the first tension value and the second tension value is greater than a first preset value comprises:
under the condition that the difference value between the first tension value and the second tension value is a positive value, reducing the rotating speed of a motor through the frequency converter so as to reduce the running speed of the discharging roller;
and under the condition that the difference value between the first tension value and the second tension value is a negative value, the rotating speed of the motor is increased through the frequency converter so as to increase the running speed of the discharging roller.
4. The method of claim 2, further comprising:
and adjusting the first preset value and/or adjusting the second preset value on a touch screen, wherein the touch screen is in communication connection with the controller.
5. A control device for a slitting machine, comprising:
the first detection unit is used for detecting the tension of the material on the discharging roller of the slitting machine to obtain a first tension value;
the second detection unit is used for detecting the tension of the material on the material receiving roller of the slitting machine to obtain a second tension value;
the first adjusting unit is used for adjusting the running speed of the discharging roller through a frequency converter under the condition that the absolute value of the difference value of the first tension value and the second tension value is greater than a first preset value;
the first adjusting unit is further used for adjusting relative distances among a plurality of target rollers to be within a preset range according to different types of materials, wherein the target rollers are located between the discharging roller and the receiving roller.
6. The apparatus of claim 5, further comprising:
the sending unit is used for sending a fault signal to a controller under the condition that the absolute value of the difference value between the first tension value and the second tension value is greater than a second preset value after the tension of the material on the material receiving roller of the slitting machine is detected to obtain the second tension value, wherein the second preset value is greater than the first preset value;
and the first control unit is used for controlling the slitting machine to stop running based on the fault signal by the controller.
7. The apparatus of claim 5, wherein the first adjusting unit comprises:
the speed reduction module is used for reducing the rotating speed of the motor through the frequency converter under the condition that the difference value between the first tension value and the second tension value is a positive value so as to reduce the running speed of the discharging roller;
and the speed increasing module is used for increasing the rotating speed of the motor through the frequency converter under the condition that the difference value of the first tension value and the second tension value is a negative value so as to increase the running speed of the discharging roller.
8. A storage medium, characterized in that the storage medium comprises a stored program, wherein the program executes the control method of a slitter according to any one of claims 1 to 4.
9. A processor, characterized in that the processor is configured to execute a program, wherein the program is configured to execute the control method of a slitter according to one of claims 1 to 4 when executing the program.
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