CN111153278A - Flat cable control method and device - Google Patents
Flat cable control method and device Download PDFInfo
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- CN111153278A CN111153278A CN201911402306.9A CN201911402306A CN111153278A CN 111153278 A CN111153278 A CN 111153278A CN 201911402306 A CN201911402306 A CN 201911402306A CN 111153278 A CN111153278 A CN 111153278A
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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
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/40—Arrangements for rotating packages
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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
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
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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
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/40—Applications of tension indicators
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Abstract
The invention discloses a flat cable control method, which is executed by a flat cable control device, wherein the flat cable control device is used for generating a control instruction for a flat cable assembly, and the method comprises the following steps: acquiring a tension feedback value detected by a tension detection assembly, wherein the tension feedback value is used for feeding back the tension condition of the silk thread; judging whether the tension feedback value is larger than or smaller than a preset reference value; if the tension feedback value is larger than a preset reference value, determining that the edge piling phenomenon occurs at one end of the wire take-up assembly, and controlling the wire arranging assembly to reduce the arrangement quantity of the wires at one end of the wire take-up assembly, where the edge piling phenomenon occurs; if the tension feedback value is smaller than the preset reference value, the phenomenon of edge shortage at one end of the wire take-up assembly is determined, the wire arranging assembly is controlled to increase the arrangement quantity of the silk threads at one end of the wire take-up assembly, wherein the edge shortage phenomenon occurs at one end of the wire take-up assembly.
Description
Technical Field
The application relates to the field of integrated control of wire drawing machines, in particular to a wire arrangement control method and device.
Background
A wire drawing machine, also called a wire drawing machine or a wire drawing machine, is a key device in the wire drawing machine process, and meanwhile, the wire drawing machine is also a common device in the existing industrial field. The method is widely applied to metallurgical process production, mechanical manufacturing, ships, petrochemical industry, cables, wires and other industries. At the in-process of wire drawing machine work, the control effect of winding displacement can influence the shaping effect and the quality of product, and along with the increase of winding displacement axle and I-shaped wheel service life, can make the installation difference grow of winding displacement axle and I-shaped wheel, then need mark for the effect of guaranteeing the wire drawing winding displacement, but then need the manual work among the prior art to go to mark for production efficiency is lower, so need a scheme that can solve above-mentioned technical problem.
Disclosure of Invention
The technical problem mainly solved by the application is to provide a winding displacement control method and device, which can realize the compensation of edge stacking or edge lack phenomenon in the winding displacement process.
In order to solve the technical problem, the application adopts a technical scheme that: the method is executed by a wire arranging control device, the wire arranging control device is used for generating control instructions for a wire arranging assembly, the wire arranging assembly is used for arranging wires in a wire arrangement mode, so that the wires are arranged on a wire collecting assembly in sequence, and the method comprises the following steps:
acquiring a tension feedback value detected by a tension detection assembly, wherein the tension feedback value is used for feeding back the tension condition of the silk thread;
judging whether the tension feedback value is larger than or smaller than a preset reference value;
if the tension feedback value is larger than the preset reference value, determining that the edge piling phenomenon occurs at one end of the take-up assembly, and controlling the wire arranging assembly to reduce the arrangement quantity of the wires at the end of the take-up assembly where the edge piling phenomenon occurs;
if the tension feedback value is smaller than the preset reference value, determining that the one end of the take-up assembly is under-cut, and controlling the wire arranging assembly to increase the arrangement quantity of the wires at the one end of the take-up assembly where the under-cut occurs.
In order to solve the above technical problem, another technical solution adopted by the present application is: providing a wire arranging control device, wherein the wire arranging control device is used for controlling a wire arranging component, and the wire arranging component is used for arranging wires so that the wires are sequentially arranged on a wire collecting component; the device comprises: the tension detection assembly and the control circuit comprise a first processing circuit;
the output end of the tension detection assembly is connected with the first processing circuit, and the tension detection assembly is used for detecting a tension feedback value of the silk thread and feeding the tension feedback value back to the first processing circuit;
the first processing circuit is used for judging whether the tension feedback value is larger than or smaller than a preset reference value, determining that an edge stacking phenomenon occurs at one end of the wire take-up assembly when the tension feedback value is larger than the preset reference value, and controlling the wire arrangement assembly to reduce the arrangement quantity of the wires at one end of the wire take-up assembly where the edge stacking phenomenon occurs; when the tension feedback value is smaller than the preset reference value, determining that the one end of the take-up assembly is under-cut, and controlling the wire arranging assembly to increase the arrangement quantity of the wires at the one end of the take-up assembly where the under-cut occurs.
In the above scheme, by obtaining the tension feedback value detected by the tension assembly, and according to the judgment result of the tension feedback value and the preset reference value, whether the phenomenon of edge stacking or edge shortage occurs is determined, and then the arrangement quantity of the flat cable assembly at the end where the edge stacking or edge shortage occurs is correspondingly controlled according to the judgment result, the phenomenon of edge stacking or edge shortage occurring in the flat cable is well compensated, and further a better flat cable effect is realized.
Drawings
Fig. 1 is a schematic flow chart illustrating a flat cable control method according to an embodiment of the present disclosure;
fig. 2 is a schematic view illustrating an application of a flat cable control method according to an embodiment of the present application;
FIG. 3 is a schematic diagram illustrating an application of a flat cable control method according to an embodiment of the present application;
fig. 4 is a schematic flow chart illustrating another exemplary flat cable control method according to the present application;
fig. 5 is a schematic flow chart illustrating a flat cable control method according to another embodiment of the present application;
fig. 6 is a schematic flow chart illustrating a flat cable control method according to another embodiment of the present application;
fig. 7a is a schematic flow chart illustrating a flat cable control method according to another embodiment of the present application;
fig. 7b is a schematic layout view of a wire take-up assembly according to the present application;
fig. 8 is a schematic structural diagram of an embodiment of a cable arrangement control device according to the present application;
FIG. 9 is a schematic diagram of a storage medium according to an embodiment of the present disclosure.
Detailed Description
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. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. 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.
The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In the industrial wire arranging field, the wire arranging shaft or spool for winding can cause the installation difference of the wire arranging shaft or spool to be increased along with the increase of the service life, which can cause certain influence on the forming effect and quality of the wire arranging, or cause the wire arranging abnormity and further influence the forming effect of the silk threads arranged on the wire arranging shaft or spool due to some reasons in the wire arranging process. In the prior art, the problems are mostly manually calibrated to achieve better wire arranging effect, so that the production efficiency is reduced.
Referring to fig. 1, fig. 1 is a schematic flow chart of an embodiment of a flat cable control method according to the present application, in the present embodiment, an execution main body of the flat cable control method according to the present application is a flat cable control device, the flat cable control device is used for generating a control command for a flat cable assembly, and the flat cable assembly is used for arranging a flat cable under the control of the flat cable control device, so that the flat cable is sequentially arranged on a take-up assembly.
In the current embodiment, the method includes:
s110: and acquiring a tension feedback value detected by the tension detection assembly.
Wherein, the tension feedback value is used for feeding back the tension condition of the silk thread. The tension feedback value can be obtained by converting and calculating a tension value detected by a tension detection component which is arranged in front of the wire arranging component and is used for detecting the tension in the wire to be arranged. The tension detection assembly is connected with the winding displacement control device, can be in wired connection or wireless connection, and is specifically arranged according to actual product layout and the type of the tension detection assembly. The tension detection assembly is used for detecting the tension condition of the silk threads to be arranged and feeding back the detected tension value to the flat cable control device through a set signal, and the flat cable control device carries out conversion calculation to obtain a tension feedback value, or the detected tension value is converted and calculated to obtain the tension feedback value and then fed back to the flat cable control device.
In the present embodiment, the tension detecting assembly continuously monitors the tension value in the wire to be laid in real time, and feeds back the monitored tension value to the wire laying control device in real time.
In another embodiment, the tension detecting component can also detect the tension value in the silk thread to be arranged according to a set time interval and feed the tension value back to the thread arranging control device. The length of the set time interval can be set and adjusted according to an empirical value and actual production requirements, and the tension value fed back to the flat cable control device by the tension detection assembly can be directly used for representing the tension, or can be represented by the flat cable control device after calculation and conversion, and is not limited specifically, so that the actual product needs to be set and adjusted.
Further, the tension detection assembly at least comprises an impulse detection assembly or a tension swing rod.
S120: and judging whether the tension feedback value is larger than or smaller than a preset reference value.
After the winding displacement control device obtains the tension feedback value, the obtained tension feedback value is further compared with a preset reference value so as to judge whether the tension feedback value is larger than or smaller than the preset reference value.
In the present embodiment, when the obtained tension feedback value is greater than or less than the preset reference value, the step S130 is further performed, otherwise, when the obtained tension feedback value is equal to the preset reference value, it indicates that the flat cable is normal, and the step S110 is further performed in a recycling manner to continuously obtain the tension feedback value detected by the tension detecting assembly.
S130: and judging whether the tension feedback value is larger than a preset reference value or not.
After the tension feedback value is judged to be larger than or smaller than the preset reference value, further judging and determining whether the tension feedback value is larger than the preset reference value. It is understood that, in other embodiments, it may be determined whether the tension feedback value is smaller than the preset reference value. In addition, in some embodiments, the step S130 may not be included, and the specific magnitude relationship between the tension feedback value and the preset reference value may be obtained directly based on the determination result of the step S120.
The reference value is set in advance according to the property of the arranged silk threads, the requirement of the tightness of the arranged silk threads and other related parameters. The reference value may be a range, for example, the reference value may be set between m and N (N: newtons), that is, when the tension between the threads to be arranged is between m and N (N: newtons), it indicates that the thread is not broken due to too large tension, and the thread is not twisted and knotted due to too small tension. In other embodiments, the reference value may be a point value, and if the reference value may be set to be H, it indicates that when the tension in the yarn is H, it indicates that the yarn is not broken due to too large tension, and abnormal situations such as winding and knotting of the yarn due to too small tension may not occur.
When the reference value is a range value, step S120 may be understood as determining whether the current tension feedback value is greater than the end value with the greater range value and determining whether the tension feedback value is smaller than the end value with the smaller range value. When the reference value is a point value, step S120 may be understood as determining whether the current tension feedback value is greater than or less than the point value, or step S120 may also be understood as determining whether the current tension feedback value is greater than the point value by more than a set range, or less than the point value by more than a set range.
S140: and determining that the edge piling phenomenon occurs at one end of the wire take-up assembly, and controlling the wire arranging assembly to reduce the arrangement quantity of the wires at the end of the wire take-up assembly, where the edge piling phenomenon occurs.
If the tension feedback value obtained by judgment is larger than the preset reference value, the phenomenon that one end of the wire take-up assembly is piled is further determined. In the present embodiment, the wire arranging assembly is used for arranging wires (also understood as wires to be taken up) to be arranged on the wire taking-up assembly in sequence, wherein the wire taking-up assembly at least comprises a spool or a wire taking-up shaft, and the wire arranging assembly at least comprises a screw rod.
Referring to fig. 2, fig. 2 is a schematic application diagram of an embodiment of a flat cable control method according to the present application. As illustrated in fig. 2, the edge stacking phenomenon at one end of the wire rewinding assembly 200 caused by the abnormal winding displacement means that the winding diameter of the end portion 201 of the wire rewinding assembly 200 is larger than the winding diameter of the other portion 202 of the wire rewinding assembly 200; or the original diameter of the end portion 201 of the wire takeup assembly 200 is larger than the original diameter of the other portion 202 due to the external force applied to the wire takeup assembly 200, so that the edge piling phenomenon occurs when the wire winding assembly winds the wire to the end portion 201 of the wire takeup assembly 200. At this time, in order to avoid continuously winding the wire to be arranged at the end 201 where the edge stacking phenomenon occurs, the wire arranging assembly needs to be controlled to reduce the arrangement number of the wire at the end of the wire collecting assembly where the edge stacking phenomenon occurs, so as to obtain a better wire arranging effect.
S150: and determining that the one end of the wire take-up assembly has an under-cut phenomenon, and controlling the wire arranging assembly to increase the arrangement quantity of the silk wires at the end of the wire take-up assembly, where the under-cut phenomenon occurs.
And if the tension feedback value is smaller than the preset reference value, determining that the one end of the wire take-up assembly is under-cut, and then controlling the wire arranging assembly to increase the arrangement quantity of the silk wires at the end of the wire take-up assembly where the under-cut occurs.
The phenomenon of edge missing refers to the fact that the roll diameter of one end of the wire take-up assembly is smaller than the roll diameter of other parts of the wire take-up assembly. Referring to fig. 3, fig. 3 is a schematic view of an embodiment of a flat cable control method according to the present application, and as shown in fig. 3, an edge drop phenomenon occurs at one end of a wire take-up assembly 300 due to a flat cable abnormality, which means that a roll diameter of an end portion 301 of the wire take-up assembly 300 is smaller than that of other portions 302 of the wire take-up assembly 300; or the original roll diameter of the end 301 of the wire rewinding assembly 300 is smaller than that of the other portion 302 due to the external force applied to the wire rewinding assembly 300, so that the edge drop phenomenon occurs when the wire rewinding assembly rewinds the wire to the end 301 of the wire rewinding assembly 300. At this time, in order to avoid the end 301 with the edge shortage phenomenon from continuously keeping the edge shortage in the subsequent wire arranging process, the wire arranging assembly needs to be controlled to increase the arrangement number of the wires at the end of the wire collecting assembly 300 with the edge shortage phenomenon, so as to obtain a better wire arranging effect.
According to the technical scheme provided in the embodiment illustrated in fig. 1 of the application, by obtaining the tension feedback value obtained by detecting the tension assembly, and determining whether the phenomenon of edge stacking or edge shortage occurs according to the judgment result of the tension feedback value and the size of the preset reference value, the arrangement quantity of the flat cable assembly at the end where the edge stacking or edge shortage occurs is correspondingly controlled according to the judgment result, the phenomenon of edge stacking or edge shortage occurring in the flat cable is better solved, and the better flat cable effect is realized.
Referring to fig. 4, fig. 4 is a schematic flow chart illustrating another embodiment of a flat cable control method according to the present application. In the present embodiment, the step S407 of controlling the traverse assembly to decrease the number of the arranged wires at the end of the take-up assembly where the edge stacking phenomenon occurs in the step S140 illustrated in fig. 1, and the step S405 of controlling the traverse assembly to increase the number of the arranged wires at the end of the take-up assembly where the edge dropping phenomenon occurs in the step S150. Specifically, in the current embodiment, the method provided by the present application includes:
s401: and acquiring a tension feedback value detected by the tension detection assembly.
S402: and judging whether the tension feedback value is larger than or smaller than a preset reference value.
Steps S401 to S402 are the same as steps S110 to S120, and refer to the description of the relevant parts above, and are not described in detail here.
S403: and judging whether the tension feedback value is smaller than a preset reference value or not.
In the present embodiment, after determining whether the tension feedback value is smaller than the preset reference value, it is further determined whether the tension feedback value is smaller than the preset reference value, and when determining that the tension feedback value is smaller than the preset reference value, step S404 and step S405 are further performed in sequence, otherwise, when determining that the tension feedback value is larger than the preset reference value, step S406 and step S407 are performed in sequence. As described above, in other embodiments, step S404 and step S405 may be directly executed in sequence after step S402 according to the determination result, or step S406 and step S407 may be directly executed without executing step S403.
S404: and determining that the one end of the wire take-up assembly has an under-edge phenomenon.
And when the tension feedback value is judged to be smaller than the preset reference value, determining that the one end of the wire take-up assembly is under-cut. Specifically, the wire arranging component reciprocates between two ends of the wire arranging component under the control of the wire arranging control device so as to arrange the wires to be arranged on the wire collecting component in order, and in the process, the tension detecting component monitors the tension in the wires to be arranged in real time and feeds the tension back to the wire arranging control device.
After the winding displacement control device obtains the tension feedback value fed back by the tension detection assembly, the winding displacement control device judges that the obtained tension feedback value is larger than or smaller than a preset reference value and determines that the tension feedback value is smaller than the preset reference value, at the moment, the position where the winding displacement assembly is located at the position where the edge is formed can be judged and obtained, the winding diameter of the silk thread at the position where the edge is formed is smaller than the winding diameters of the silk threads at other positions, therefore, when the winding displacement assembly moves to one end where the edge is formed, the winding diameter of the silk thread can be suddenly reduced, and further, the tension in the silk thread to be wound is suddenly reduced compared with the tension when the winding displacement assembly is located at other positions, so that the tension feedback value is smaller than the reference value, and when the obtained tension feedback value is judged and smaller than the reference value, the edge defect is.
S405: the number of pulses for controlling the motor of the wire arranging component to run along the lower edge end is increased.
When the phenomenon of edge shortage at one end of the wire take-up assembly is determined, the number of pulses for controlling the motor of the wire arranging assembly to run along the edge shortage end is increased, so that the edge shortage phenomenon is improved, and a better wire arranging effect is obtained.
In an embodiment, when it is determined that the under-edge phenomenon occurs at one end of the wire take-up assembly, the wire arranging control device can increase the number of forward pulses in the current wire arranging period directly, so that the motor increases the number of rotations in the current direction, and further postpones the motor from turning, and the wire arranging assembly arranges multiple wires at the under-edge position, so as to improve the arrangement condition of the under-edge position wires, and further obtain a better wire arranging effect.
Further, in another embodiment, when it is determined that the under-cut phenomenon occurs at the end of the wire take-up assembly, the method provided by the present application further includes: in the subsequent wire arranging period with a set number, the wire arranging control device increases the number of positive pulses so as to increase the number of the rotating ends of the wire arranging motor at the ends with the under-edge phenomenon, and further improve the arrangement condition of the silk threads at the under-edge positions so as to obtain a better wire arranging effect.
S406: and determining that the edge piling phenomenon occurs at one end of the wire take-up assembly.
The winding displacement control device obtains a tension feedback value fed back by the tension detection assembly, and the obtained tension feedback value is larger than a preset reference value after judgment, at the moment, the position where the current winding displacement assembly is located can be judged to be the position where the edge piling phenomenon occurs in the winding displacement assembly, and the winding diameter of the silk thread at the position where the edge piling phenomenon occurs is larger than the winding diameter of the silk thread at other positions.
S407: the pulse number of one end of a motor along the pile edge of the control winding displacement assembly is reduced.
After the edge piling phenomenon at one end of the wire take-up assembly is determined, the wire arranging control device reduces the pulse number at one end of the motor for controlling the wire arranging assembly, so that the edge piling condition is improved, and a better wire arranging effect is obtained.
In one embodiment, after it is determined that an edge piling phenomenon occurs at one end of the wire take-up assembly, the wire arrangement control device directly reduces the number of the remaining forward pulses for controlling the motor of the wire arrangement assembly to rotate along the current direction in the current wire arrangement period, and outputs the reverse pulses to control the motor to rotate reversely, so as to drive the wire arrangement assembly to change the wire arrangement direction in advance.
Further, in another embodiment, after it is determined that the edge stacking phenomenon occurs at one end of the wire take-up assembly, the method provided by the present application further includes: in the subsequent setting of a plurality of wire arranging periods, the wire arranging control device reduces the number of forward pulses and outputs the number of reverse pulses in advance to control the wire arranging motor to reduce the number of rotations at the position where the edge piling phenomenon occurs so as to reduce the number of arranged wires at the position where the edge piling phenomenon occurs.
It should be noted that, in the present embodiment, the forward pulse and the reverse pulse may be pulses in a set direction, that is, a pulse in one direction is set as a forward pulse, and a pulse in the opposite direction to the forward pulse is set as a reverse pulse. It is understood that in other embodiments, the forward pulse may refer to a direction in which a pulse is currently output, and the reverse pulse is a pulse opposite to the direction in which the pulse is currently output, and is not limited in particular.
Referring to fig. 5, fig. 5 is a schematic flow chart of a flat cable control method according to another embodiment of the present application.
In the embodiment illustrated in fig. 5, after the step of determining that the under-cut phenomenon occurs at the one end of the wire take-up assembly if the tension feedback value is smaller than the preset reference value, the method provided by the present application further includes steps S501 to S504.
S501: and solving the difference value between the preset reference value and the tension feedback value.
It should be noted that, in the current embodiment, the preset reference value is a point value, and after the tension feedback value is judged to be smaller than the preset reference value, a difference between the preset reference value and the tension feedback value is further obtained, so as to adjust the pulse number according to the difference between the real-time tension feedback value and the preset reference value.
S502: and obtaining the difference value of the coil diameter according to the difference value.
As described above, in the wire arranging process, since the occurrence of the under-cut phenomenon may make the roll diameter at the under-cut position smaller than the roll diameters at other positions, the difference between the roll diameter at the under-cut position and the roll diameters at other portions may be calculated according to the difference between the preset reference difference and the tension feedback value.
In the present embodiment, the above-mentioned step of increasing the number of current direction pulses to compensate for the under-edge phenomenon includes the content described in step S503.
S503: and calculating the number of pulses required to be compensated according to the coil diameter difference and the arranged silk thread parameters.
And after the coil diameter difference value is obtained, specifically calculating to obtain the pulse number required to be compensated based on the obtained coil diameter difference value and the arranged silk thread parameters. Wherein the parameters of the arranged threads comprise at least the diameter of the arranged threads.
S504: and increasing the current direction pulse according to the pulse number to compensate the under-edge phenomenon.
The wire arranging control device increases the corresponding number of pulses in the current direction according to the calculated number of the pulses to compensate the edge lack phenomenon, and further obtains a better wire arranging effect.
It should be noted that, in the embodiment corresponding to fig. 5, the corresponding relationship between the difference between the preset reference value and the tension feedback value and the difference between the roll diameters is obtained according to the data collected in the actual production, and the corresponding relationship between the roll diameters and the tensions corresponding to the threads made of different materials is not the same, so that no limitation is imposed on the corresponding relationship. In the current embodiment, the number of pulses required to be compensated is calculated through the coil diameter difference and the arranged silk thread parameters, so that the phenomenon of under-edge compensation can be more accurately realized, and the effect of better arranging the silk thread is realized.
Referring to fig. 6, fig. 6 is a schematic flow chart illustrating a flat cable control method according to another embodiment of the present application. In the present embodiment, the control process of the traverse control device for the traverse motor frequency during the traverse is explained.
S601: and acquiring the frequency of the target take-up motor.
In the current embodiment, the obtained target wire rewinding motor frequency may be a wire rewinding motor frequency set or calculated by the wire rewinding control device for the motor driving the wire rewinding assembly. It is understood that in other embodiments, the obtained target take-up motor frequency is the real-time take-up motor frequency with losses removed. It should be noted that the wire winding control device and the wire arranging control device may be independent control devices, or may be integrated control devices that can be used for wire arranging and wire winding control simultaneously, and are not limited specifically.
S602: and calculating to obtain the target winding displacement motor frequency based on the target winding displacement motor frequency and preset parameters.
The preset parameters at least comprise at least one of a lead screw lead and a row pitch, wherein the lead screw lead is the preset distance of the lead screw moving when the wire arranging motor of the wire drawing machine runs for one circle, and the row pitch is the preset distance of the lead screw moving when the wire taking motor of the wire drawing machine runs for one circle. The lead screw is one of the components for arranging wires, and both the lead screw lead and the wire arrangement distance can be adjusted and set according to the change of an actual product.
After the target wire winding motor is obtained, calling required preset parameters, and calculating to obtain the target wire winding motor frequency. Please refer to the corresponding explanation part of fig. 7 below for a detailed calculation process of the target take-up motor frequency.
S603: and generating a pulse control command corresponding to the frequency of the target winding displacement motor so as to control the winding displacement motor to rotate at the frequency of the target winding displacement motor.
After the target winding displacement motor frequency is obtained through calculation, the winding displacement control device generates a pulse control command of the corresponding target winding displacement motor frequency, the pulse control command is used for being sent to a driving circuit corresponding to the winding displacement motor for driving the winding displacement assembly, and the driving circuit is used for controlling the winding displacement motor to operate according to the calculated target winding displacement motor frequency.
Referring to fig. 7a, fig. 7a is a schematic flow chart of a flat cable control method according to another embodiment of the present application, in the current embodiment, step S602 in the embodiment shown in fig. 6 specifically includes steps S701 to S705. The method comprises the following specific steps:
s701: and calculating the speed of the take-up motor corresponding to the target take-up motor frequency.
And under the condition that the target wire rewinding motor frequency is obtained, calculating the motor frequency according to the relation between the motor frequency and the motor speed, and specifically calculating the wire rewinding motor speed by referring to the following formula.
n1＝60*f1/p
Wherein f is1For the obtained target take-up motor frequency, p is the magnetic pole pair number of the take-up motor, n1Is the rotation speed of the take-up motor corresponding to the target take-up motor frequency, and the unit is revolutions per minute.
S702: and calculating to obtain the target winding displacement motor frequency based on the winding displacement motor speed, the lead of the lead screw and the pitch.
And calculating to obtain the target winding displacement motor frequency based on the winding displacement motor speed calculated in the step S701 and the lead of the lead screw and the pitch in the preset parameters. Specifically, the calculation is performed according to the following formula:
n2＝n1*nSpaceRoute/nLSRoute
wherein n is2Is the target winding displacement motor speed, n1The rotation speed of the take-up motor corresponding to the target frequency of the take-up motor obtained in the above steps is in units of revolutions per minute, nSpaceRoute represents a preset pitch, nLSRoute represents a lead of a screw rod, and nSpaceRoute/nLSRoute represents a ratio of the speed of the traverse motor to the speed of the take-up motor, so that the rotation speed of the target traverse motor is obtained by multiplying the rotation speed of the take-up motor corresponding to the rotation speed of the target take-up motor by the ratio of the speed of the traverse motor to the speed of the take-up motor.
After the target winding displacement motor rotation speed is obtained, the target winding displacement motor frequency is further obtained according to the following formula. The formula:
f＝n2*h/60
wherein f is the frequency of the target flat cable motor, n2The rotating speed of the target traverse motor calculated by the above calculation is h, which refers to the number of teeth of the motor, and h may be 50 in the current embodiment, and 60 refers to 60 seconds.
For example, in an embodiment, when the technical solution provided by the present application is applied to the operation process of the wire drawing machine, the target winding displacement motor frequency may be corrected based on the obtained target winding displacement motor frequency to maintain the balance of tension between wires to be wound.
In the embodiment illustrated in fig. 7a, the step of calculating the target winding displacement motor frequency based on the target winding displacement motor frequency and the preset parameter further includes steps S703 to S705.
S703: and calculating the forward stroke and the reverse stroke of the screw rod.
Please also refer to the layout of the wire take-up assembly shown in fig. 7b, it should be noted that the arrow in fig. 7b indicates the screw rod. The screw rod stroke refers to the sum of the forward stroke and the reverse stroke of the screw rod, refers to the moving distance between the forward limit switch A and the reverse limit switch B, and is set by a user based on screw rod parameters. And calculating the forward stroke and the reverse stroke of the screw rod based on the set screw rod stroke and the position of the midpoint switch C. The forward stroke of the screw rod is the moving distance of the screw rod from the midpoint switch C to the forward limit switch A, and the reverse stroke of the screw rod is the moving distance of the screw rod from the midpoint switch C to the reverse limit switch B. The middle point switch C is arranged in the middle of a take-up shaft or spool for taking up the wire, and the forward limit switch a and the reverse limit switch B are respectively arranged at the axial ends of the spool or the take-up shaft. In the embodiment illustrated in fig. 7B, the stroke of the screw rod moving between the forward limit switch a and the neutral switch C is a forward stroke, and the stroke of the screw rod moving between the reverse limit switch B and the neutral switch C is a reverse stroke.
S704: and calculating the pulse number of the forward stroke and the pulse number of the reverse stroke according to the forward stroke and the reverse stroke of the screw rod.
Because among the technical scheme that this application provided, the winding displacement motor adopts step motor, can learn according to step motor's theory of operation, and the quantity of positive and negative pulse has been decided to the forward stroke and the reverse stroke of lead screw. Therefore, the forward stroke pulse number required by the distance corresponding to the forward stroke of the screw rod and the reverse stroke pulse number required by the distance corresponding to the reverse stroke of the screw rod can be calculated according to the calculated forward stroke and reverse stroke of the screw rod, so that the wire arranging motor can be accurately controlled to rotate, the screw rod is driven to move in the forward direction by the distance corresponding to the forward stroke, and the wire arranging motor can be accurately controlled to move in the reverse direction by the distance corresponding to the reverse stroke. In the present application, the forward and reverse directions are defined by using the midpoint switch as a starting origin, and defining the directions of the two sides as the forward and reverse directions, respectively.
S705: and generating a control instruction of the operation direction of the wire arranging motor based on the forward stroke pulse number and the reverse stroke pulse number.
And generating a control command for controlling the running direction of the traverse motor based on the number of forward stroke pulses and the number of reverse pulses calculated in the above steps, wherein the forward direction and the reverse direction are relatively defined, that is, the forward direction is the reverse direction of the reverse direction. It is understood that in other embodiments, the forward direction in the present embodiment may be defined as the reverse direction, and the reverse direction may be defined as the forward direction. If the calculated number of the forward stroke pulses and the number of the reverse stroke pulses are respectively 50, a control instruction for controlling the running direction of the wire arranging motor is generated, 50 pulses are output to the wire arranging motor in the forward direction, and then 50 pulses are output in the reverse direction, so that the wire arranging motor is controlled to run under the premise of keeping the tension balance and ensuring normal wire arranging.
Further, step S705 includes: and if the current pulse of the wire arranging motor is a forward stroke pulse and the number of the executed pulses exceeds or is equal to the calculated number of the forward stroke pulses after software counting, or if the current pulse of the wire arranging motor is a reverse stroke pulse and the number of the executed pulses exceeds or is equal to the number of the reverse stroke pulses after software counting, generating a control instruction for indicating the wire arranging motor to reversely rotate.
And if the current pulse of the wire arranging motor is a forward stroke pulse and the number of the current pulse is not more than the number of the forward stroke pulses, or if the current pulse of the wire arranging motor is a reverse stroke pulse and the number of the current pulse is more than the number of the reverse stroke pulses, generating a control instruction for indicating the wire arranging motor to rotate forwards.
With continuing reference to fig. 6, in a further embodiment, the method provided herein further includes:
s604: and monitoring whether a preset signal fed back by the laser detection device is received.
In the present embodiment, the end portions of the wire take-up assembly are respectively provided with a laser detection device for detecting whether the wire arrangement assembly is to be moved to the end portion of the wire take-up assembly, and when detecting that the wire arrangement assembly is to be moved to the end portion of the wire take-up assembly, the wire arrangement assembly is to be moved to the end portion of the wire take-up assembly and fed back to the wire arrangement control device by a preset signal. The preset signal may be a high level signal, and it can be understood that the preset signal may also be a low level signal in other embodiments. When the wire arranging component is not close to the end part of the wire collecting component, the signal different from the preset signal can inform the wire arranging device that the wire arranging component is not close to the wire collecting component.
S605: and if the preset signal is received, outputting a pulse control instruction for controlling the wire arranging motor to reversely rotate.
The preset signal is a signal sent by the laser detection device when the distance between the lead screw and the edge of the spool is smaller than the preset value.
In the current embodiment, by arranging the laser detection device, a mechanical steering determining means is added on the basis of determining the steering of the motor by using software, a steering determining way is added for the winding displacement control device to control the steering of the winding displacement assembly, and a more complete steering control flow of the winding displacement assembly is provided.
Referring to fig. 8, fig. 8 is a schematic structural diagram of an embodiment of a flat cable control device according to the present application. The traverse control device 800 is used for controlling a traverse assembly (not shown) for traversing the wires so that the wires are sequentially arranged on a take-up assembly (not shown). The traverse control apparatus 800 includes a tension detecting assembly 801 and a control circuit (not shown) including a first processing circuit 802.
The output end of the tension detection assembly 801 is connected with the first processing circuit 802, and the tension detection assembly 801 is used for detecting a tension feedback value of the wire to be arranged and feeding the tension feedback value back to the first processing circuit 802. Further, the tension detecting element 801 may be a pulse detecting element or a tension swing rod, which is specifically configured according to the actual product layout.
The first processing circuit 802 is configured to determine whether the tension feedback value is greater than or less than a preset reference value, determine that an edge stacking phenomenon occurs at one end of the wire rewinding assembly when the tension feedback value is greater than the preset reference value, and control the wire arranging assembly to reduce the number of arranged wires at the end of the wire rewinding assembly where the edge stacking phenomenon occurs. The first processing circuit 802 is further configured to determine that an under-cut phenomenon occurs at one end of the take-up assembly when the tension feedback value is smaller than a preset reference value, and control the winding displacement assembly to increase the arrangement number of the wires at the end of the take-up assembly where the under-cut phenomenon occurs.
Further, in an embodiment, the traverse motor M for driving the traverse assembly is a stepping motor (not shown), and the traverse control device 800 further includes a driving circuit 830.
The first processing circuit 801 executing the control of the wire arranging assembly to reduce the number of arranged wires at one end of the wire collecting assembly where the edge piling phenomenon occurs further comprises: the first processing circuit 801 outputs a pulse control command for reducing the number of pulses at one end of the motor along the stack side of the flat cable assembly. Further, when it is determined that the edge piling phenomenon occurs, the first processing circuit 801 is specifically configured to reduce the remaining current direction pulse and output a pulse control command of a reverse pulse to the driving circuit to control the winding displacement motor to reverse. Further, in another embodiment, the first processing circuit 801 may be further configured to clear the remaining current direction pulses and output a pulse control command of the reverse pulse to the driving circuit to control the winding displacement motor to reverse, specifically, perform setting adjustment according to actual requirements.
When the first processing circuit 801 determines that the obtained tension feedback value is smaller than the preset reference value, the first processing circuit 801 is configured to output a pulse control instruction for increasing the number of pulses for controlling the operation of the motor of the flat cable assembly along the under side end. Further, when the under-edge phenomenon is determined to occur, the first processing circuit 801 is configured to output a pulse control command for increasing the number of pulses in the current direction to the driving circuit to compensate for the under-edge phenomenon.
The input end of the driving circuit 830 is connected to a pulse width modulation port P1 of the first processing circuit 801, so as to output a driving signal corresponding to the pulse control command to the wire arranging motor M when receiving the pulse control command sent by the first processing circuit 802, so as to drive the wire arranging motor M and drive the wire arranging assembly to move a wire along the wire collecting assembly.
Further, the driving circuit includes: the inverter circuit (not shown in the figure) comprises an IGBT driving chip (not shown in the figure) and an IGBT group (not shown in the figure), the input end of the IGBT driving chip is connected with one pulse width modulation port P1 in the first processing circuit 802, the output end of the IGBT driving chip is connected with the input end of the IGBT group, the output end of the IGBT group is connected with the flat cable motor M, and the IGBT driving chip is used for generating a driving command according to a pulse control command output by the pulse width modulation port P1 and outputting the driving command to the IGBT group. The IGBT group is used for converting the electric signals according to the received driving instructions to generate driving signals so as to output the driving signals to the flat cable motor M connected with the IGBT group.
Further, the traverse control device 800 provided by the present application further includes an encoder 803.
The encoder 803 is disposed at the winding displacement motor M to detect the rotating angle of the winding displacement motor M, and the output end of the encoder 803 is connected to the first processing circuit 802 for feeding back the rotating angle of the winding displacement motor M to the first processing circuit 802. In another embodiment, it can also be understood that the encoder 803 is used to detect the number of pitches rotated by the traverse motor M and feed back the number of pitches rotated by the traverse motor M to the first processing circuit 802.
Further, the traverse control device 800 further includes a laser detection device 804, the laser detection device 804 is disposed on the lead screw (not shown) and is used for detecting whether the lead screw driven by the traverse motor M moves to the edge of the spool, and an output end of the laser detection device 804 is connected to the first processing circuit 801 to feed back a detection result to the first processing circuit 801.
Such as: the laser detection device comprises an infrared correlation sensor, the working principle of the laser detection device is that the infrared correlation sensor is used for detecting the edge of a spool for winding, and the detected result is fed back to a wire arrangement control device to control the reversing of a wire arrangement motor.
Specifically, the infrared correlation sensor is composed of a photoelectric sensor and two optical fiber cables, one optical fiber is used for transmitting red light, the other optical fiber is used for receiving the red light, and through comparison with a set photosensitive value, when the photosensitive value is larger than or equal to a set value, a logic level is output, and when the photosensitive value is smaller than the set value, another logic level is output and used for feeding back the relative position of a lead screw for wire arrangement and the edge of a wire take-up assembly to the wire arrangement control device.
Further, the flat cable control device provided by the present application further includes a human-computer interaction circuit 840, and the human-computer interaction circuit 840 is connected to the first processing circuit 801.
The human-computer interaction circuit 840 comprises a second processing circuit 841, a PHY chip 842 and/or a communication circuit 843, the PHY chip 842 and/or the communication circuit 843 are connected with the second processing circuit 841, the PHY chip 842 is used for providing a communication port for an external terminal (not shown) to communicate with the human-computer interaction circuit 840, and the communication circuit 843 is used for the human-computer interaction circuit 840 to communicate with the external terminal.
Still further, at least one of the first processing circuit 801, the second processing circuit 841, and the communication circuit 843 is an integrated chip.
Further, referring to fig. 8, in the traverse control device 800 provided by the present application, the human-computer interaction circuit 840 is connected to the first processing circuit 801 through the RS485 interface 844 and the RJ45 port 845, specifically, connected to the human-computer port P2 on the first processing circuit 801.
The PHY chip 842 is configured to provide a communication port for communication between an external terminal and the human-computer interaction circuit 840, and specifically, an output end of the PHY chip 842 is sequentially connected to a network transformer 846 and an RJ45 communication interface 847. The PHY chip 842 is used for the switch to exchange data with the bus cable control device. The communication circuit 843 is connected to the second processing circuit 841, and is used for the human-computer interaction circuit 840 to communicate with an external terminal (not shown), wherein the external terminal includes a mobile phone, a tablet computer, a notebook computer, a server, and the like.
The winding displacement controlling means that this application figure 8 provided has integrated the thing networking function through setting up PHY chip and/or communication circuit, and then can realize the production information such as the output signal that winding displacement controlling means gathered and the variety information of input, transmit to external terminal equipment on, and then for lean production provides accurate basic data, also for long-range troubleshooting winding displacement controlling means trouble or carry out system software upgrade and provide the port, and then realize reducing the personnel's quantity of field operation.
The transmission mode of data between the flat cable control device and the external terminal can be selected and matched as follows: the transmission protocols such as ethernet, 2G/3G/4G, zigbee, NB-LOT, etc. may be specifically set according to actual production requirements, and are not limited herein.
With continued reference to fig. 8, the human-computer interaction circuit 840 further includes a FLASH chip 848, a battery 849, keys 850, and a display screen 851. In the present embodiment, the number of the buttons 850 is not limited, and the user can input other related instructions to the human-computer interaction circuit 840 through the buttons 850, and the instructions are converted and output to the first processing circuit 802 by the human-computer interaction circuit or are directly processed by the human-computer interaction circuit 840 to complete feedback.
For example, in an embodiment, the number of the keys is 5, and the 5 keys may be respectively used for revising the edge stacking phenomenon on the left side of the spool and are used for an operator to select when revising the edge stacking phenomenon manually; the key is used for revising the under-edge phenomenon on the left side of the spool; the key is used for revising the under-edge phenomenon on the left side of the spool; the key is used for revising the phenomenon of edge stacking on the right side of the spool; the key is used for revising the phenomenon of under edge on the right side of the spool; and the reset key is used for resetting the system fault. It should be noted that the above-mentioned keys for correcting the under-run or over-run phenomenon may not be used when the auto-compensation function is turned on.
The human-computer interaction circuit 840 further comprises a main crystal oscillator 852, an RTC crystal oscillator 853 and a USB interface 854. The master crystal oscillator 852 and the RTC crystal oscillator 853 are used for timing the bus line control device. The USB interface 854 is used to provide a matable interface when a user needs to load relevant data into the device through the means of the USB interface 854.
The present application further provides a storage medium, as shown in fig. 9, which is a schematic structural diagram of a storage medium 90 provided in the present application in an embodiment. The storage medium 90 stores program data, and the program data 91 stored in the storage medium 90 implements the above-described cable routing control method when executed. Specifically, the storage medium 90 may be one of a memory of a terminal device, a personal computer, a server, a network device, or a usb disk, and is not limited herein.
The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (10)
1. A wire arranging control method performed by a wire arranging control device for generating a control command for a wire arranging assembly for arranging wires such that the wires are arranged in sequence on a wire take-up assembly, the method comprising:
acquiring a tension feedback value detected by a tension detection assembly, wherein the tension feedback value is used for feeding back the tension condition of the silk thread;
judging whether the tension feedback value is larger than or smaller than a preset reference value;
if the tension feedback value is larger than the preset reference value, determining that the edge piling phenomenon occurs at one end of the take-up assembly, and controlling the wire arranging assembly to reduce the arrangement quantity of the wires at the end of the take-up assembly where the edge piling phenomenon occurs;
if the tension feedback value is smaller than the preset reference value, determining that the one end of the take-up assembly is under-cut, and controlling the wire arranging assembly to increase the arrangement quantity of the wires at the one end of the take-up assembly where the under-cut occurs.
2. The flat cable control method according to claim 1,
the control the winding displacement subassembly reduces the range quantity of silk thread at the one end that the line receiving subassembly appears the heap limit phenomenon, includes:
reducing the pulse quantity of a motor controlling the wire arranging assembly along one end of the pile edge; or
Control the winding displacement subassembly increases the silk thread is in the range quantity of the one end of the phenomenon of oweing the limit appears in the receipts line subassembly, include:
and increasing the pulse quantity for controlling the motor of the wire arranging assembly to run along one end of the under edge.
3. The flat cable control method according to claim 1,
after the step of determining that an under-cut phenomenon occurs at one end of the take-up assembly if the tension feedback value is smaller than the preset reference value, the method further includes:
calculating the difference value between the preset reference value and the tension feedback value;
obtaining a coil diameter difference value according to the difference value;
the increasing the number of current direction pulses to compensate for the under-edge phenomenon includes: calculating the number of pulses required to be compensated according to the coil diameter difference and the arranged silk thread parameters;
and increasing the current direction pulse according to the pulse number to compensate the under-edge phenomenon.
4. The flat cable control method according to claim 1, further comprising:
monitoring whether a preset signal fed back by a laser detection device is received or not;
if the preset signal is received, outputting a pulse control instruction for controlling the wire arranging motor to reversely rotate;
the preset signal is a signal sent by the laser detection device when the distance between the lead screw and the edge of the spool is smaller than a preset value.
5. The flat cable control method according to claim 1, further comprising:
acquiring the frequency of a target take-up motor;
calculating to obtain a target winding displacement motor frequency based on the target winding displacement motor frequency and preset parameters; the preset parameters at least comprise at least one of a lead screw lead and a row pitch, wherein the lead screw lead is a preset distance for the wire arrangement motor of the wire drawing machine to move for one rotation of the lead screw, and the row pitch is a preset distance for the wire take-up motor of the wire drawing machine to move for one rotation of the lead screw;
and generating the pulse control command corresponding to the target winding displacement motor frequency so as to control the winding displacement motor to rotate at the target winding displacement motor frequency.
6. The flat cable control method according to claim 5,
the step of calculating the target winding displacement motor frequency based on the target winding displacement motor frequency and the preset parameters further comprises the following steps:
calculating the forward stroke and the reverse stroke of the screw rod;
calculating the pulse number of the forward stroke and the pulse number of the reverse stroke according to the forward stroke and the reverse stroke of the screw rod;
and generating a control instruction of the operation direction of the wire arranging motor based on the forward stroke pulse number and the reverse stroke pulse number.
7. The wire arranging control device is characterized in that the wire arranging control device is used for controlling a wire arranging component, and the wire arranging component is used for arranging wires so that the wires are sequentially arranged on a wire collecting component; the device comprises: the tension detection assembly and the control circuit comprise a first processing circuit;
the output end of the tension detection assembly is connected with the first processing circuit, and the tension detection assembly is used for detecting a tension feedback value of the silk thread and feeding the tension feedback value back to the first processing circuit;
the first processing circuit is used for judging whether the tension feedback value is larger than or smaller than a preset reference value, determining that an edge stacking phenomenon occurs at one end of the wire take-up assembly when the tension feedback value is larger than the preset reference value, and controlling the wire arrangement assembly to reduce the arrangement quantity of the wires at one end of the wire take-up assembly where the edge stacking phenomenon occurs; when the tension feedback value is smaller than the preset reference value, determining that the one end of the take-up assembly is under-cut, and controlling the wire arranging assembly to increase the arrangement quantity of the wires at the one end of the take-up assembly where the under-cut occurs.
8. The apparatus of claim 7, further comprising an encoder;
the encoder is arranged at the wire arranging motor to detect the rotating angle of the wire arranging motor, and the output end of the encoder is connected with the first processing circuit and used for feeding back the rotating angle of the wire arranging motor to the first processing circuit.
9. The device of claim 7, further comprising a laser detection device disposed on the lead screw for detecting whether the lead screw driven by the traverse motor moves to the edge of the spool, wherein an output end of the laser detection device is connected to the first processing circuit for feeding back the detection result to the first processing circuit.
10. The apparatus of claim 7, further comprising human-computer interaction circuitry coupled to the first processing circuitry;
the human-computer interaction circuit comprises a second processing circuit, a PHY chip and/or a communication circuit, the PHY chip and/or the communication circuit is connected with the second processing circuit, the PHY chip is used for providing a communication port for an external terminal to communicate with the human-computer interaction circuit, and the communication circuit is used for the human-computer interaction circuit to communicate with the external terminal;
at least one of the first processing circuitry, second processing circuitry, and the communication circuitry is an integrated chip.
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