CN117079901A - Automatic coating method and device for wire insulation layer - Google Patents
Automatic coating method and device for wire insulation layer Download PDFInfo
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- CN117079901A CN117079901A CN202311330931.3A CN202311330931A CN117079901A CN 117079901 A CN117079901 A CN 117079901A CN 202311330931 A CN202311330931 A CN 202311330931A CN 117079901 A CN117079901 A CN 117079901A
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- 238000000576 coating method Methods 0.000 title claims abstract description 195
- 238000009413 insulation Methods 0.000 title claims description 57
- 239000011248 coating agent Substances 0.000 claims abstract description 177
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims description 132
- 238000007790 scraping Methods 0.000 claims description 79
- 239000004698 Polyethylene Substances 0.000 claims description 60
- -1 polyethylene Polymers 0.000 claims description 60
- 229920000573 polyethylene Polymers 0.000 claims description 60
- 239000007921 spray Substances 0.000 claims description 60
- 239000000463 material Substances 0.000 claims description 57
- 238000001514 detection method Methods 0.000 claims description 51
- 230000002159 abnormal effect Effects 0.000 claims description 29
- 238000005253 cladding Methods 0.000 claims description 25
- 238000001125 extrusion Methods 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 22
- 238000007493 shaping process Methods 0.000 claims description 19
- 230000003213 activating effect Effects 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 16
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000004458 analytical method Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005457 optimization Methods 0.000 claims description 5
- 238000012512 characterization method Methods 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 230000002547 anomalous effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 8
- 230000003044 adaptive effect Effects 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000013643 reference control Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/16—Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying
- H01B13/165—Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying by spraying
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Spray Control Apparatus (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
Abstract
The application provides an automatic coating method and a coating device for an electric wire insulating layer, which relate to the technical field of data processing, and the method comprises the following steps: according to the application, the technical problems that a specific coating state cannot be known in real time and an adaptive coating control adjustment process is lacked in the prior art are solved, so that coating stability is weak, and uniformity of coating thickness cannot be guaranteed are solved.
Description
Technical Field
The application relates to the technical field of data processing, in particular to an automatic coating method and device for an electric wire insulating layer.
Background
Along with the development of scientific technology, especially the development in the automatic cladding field of wire insulating layer, the production line of cladding is carried out to present electric wire mainly includes unwrapping wire reel, cladding structure, cooling device and receipts line reel, when carrying out cladding control, carries out cladding based on preset parameter, exists and can't learn specific cladding state in real time, lacks the technical problem of self-adaptation cladding control adjustment process simultaneously for cladding stability is weaker, can't guarantee cladding thickness homogeneity.
Disclosure of Invention
The application provides an automatic coating method and an automatic coating device for an electric wire insulating layer, which are used for solving the technical problems that the specific coating state cannot be known in real time and the self-adaptive coating control and adjustment process is lacked in the prior art, so that the coating stability is weaker and the uniformity of the coating thickness cannot be ensured.
In view of the above, the present application provides an automated coating method and apparatus for an insulating layer of an electric wire.
In a first aspect, the present application provides an automatic coating method for an electric wire insulation layer, which is applied to an automatic coating device for an electric wire insulation layer, wherein the device comprises a cloud control center, and the method comprises: when a wire insulation layer coating instruction is received, receiving a preset wire detection diameter and an insulation layer expected coating thickness, and generating a coated wire expected diameter; activating a primary spraying control unit embedded in a cloud control center to perform spraying optimization by combining the expected diameter of the coated wire and the preset wire detection diameter, and generating primary spraying control parameters; activating a first rotating mechanism to convey a preset wire into a coating box body, and activating a polyethylene extrusion nozzle to perform spraying control based on the primary spraying control parameter when the preset wire has a first preset length in the coating box body; when the polyethylene extrusion nozzle completes one-time material spraying task, the material scraping channel is set to be in an open state, and pressure monitoring information is acquired through a sheet type miniature pressure sensor embedded in the inner wall of the material scraping channel; performing abnormal region analysis based on the pressure monitoring information to obtain an abnormal coating region; activating a polyethylene extrusion nozzle, performing compensation spraying control based on the abnormal coating area, when the polyethylene extrusion nozzle completes the compensation spraying task, setting the scraping channel to be in an open state, performing shaping control based on a preset shaping temperature and a preset shaping time, and when the preset shaping time is met, conveying the first preset length of electric wire out of the coating box body.
In a second aspect, the present application provides an automated wire insulation coating apparatus comprising: coating the box body; the polyethylene electric control spray head is arranged in the coating box body and can electrically control the polyethylene spraying amount; the multi-degree-of-freedom telescopic rod is characterized in that one end of the multi-degree-of-freedom telescopic rod is connected with the polyethylene spray head, the other end of the multi-degree-of-freedom telescopic rod is connected with the inner wall of the coating box body, and the spraying position of the polyethylene electric control spray head can be electrically controlled by the multi-degree-of-freedom telescopic rod; scrape material device, scrape material device arrange in cladding box is inside, scrape material device still includes: the first scraping semicircular channel; a second scraping semicircular channel; when the scraping device is in an open state, the first scraping semicircular channel and the second scraping semicircular channel are closed at preset positions to form a circular channel with a preset inner diameter, and when the scraping device is in a closed state, the first scraping semicircular channel and the second scraping semicircular channel are separated; the sheet type miniature pressure sensor is embedded in the inner walls of the first scraping semicircular channel and the second scraping semicircular channel; the cloud control center is used for remotely controlling the polyethylene electric control spray head, the multi-degree-of-freedom telescopic rod, the scraping device and the sheet type miniature pressure sensor.
One or more technical schemes provided by the application have at least the following technical effects or advantages:
the automatic coating method and the automatic coating device for the wire insulation layer, which are provided by the application, relate to the technical field of data processing, solve the technical problems that the specific coating state cannot be known in real time and the self-adaptive coating control adjustment process is lacked in the prior art, so that the coating stability is weaker, the uniformity of the coating thickness cannot be ensured, and realize the technical effects of adaptively coating according to the wire insulation layer and improving the uniformity of the coating thickness.
Drawings
FIG. 1 is a schematic flow chart of an automated coating method for an insulating layer of an electric wire;
FIG. 2 is a schematic diagram showing the process of generating a compensation spraying task completion instruction in the automatic coating method of the wire insulation layer;
fig. 3 is a schematic view showing a scraping device of the automatic coating device structure for the wire insulation layer in an open state;
fig. 4 is a schematic view showing a scraping device of the automatic coating device structure for the wire insulation layer in a closed state;
fig. 5 is a schematic diagram of the inner wall structure of the first scraping semicircular channel and the second scraping semicircular channel provided by the application.
Reference numerals illustrate: the electric control polyethylene spray head comprises a polyethylene electric control spray head 1, a first connecting rod 2, a first driving shaft 3, a first fixing shaft 4, a multi-degree-of-freedom telescopic rod 5, a target electric wire 6, a first scraping semicircular channel 7, a second scraping semicircular channel 8, a thin-sheet micro pressure sensor 9, a first connecting rod 10, a second fixing shaft 11 and a second driving shaft 12.
Detailed Description
The application provides an automatic coating method and an automatic coating device for an electric wire insulating layer, which are used for solving the technical problems that the specific coating state cannot be known in real time and the self-adaptive coating control and adjustment process is lacked in the prior art, so that the coating stability is weaker and the uniformity of the coating thickness cannot be ensured.
Example 1
As shown in fig. 1, an embodiment of the present application provides an automatic coating method for an insulation layer of an electric wire, which is applied to an automatic coating device for an insulation layer of an electric wire, wherein the automatic coating method for an insulation layer of an electric wire includes a cloud control center, and the method includes:
step A100: when a wire insulation layer coating instruction is received, receiving a preset wire detection diameter and an insulation layer expected coating thickness, and generating a coated wire expected diameter;
in the application, the automatic coating method of the wire insulation layer is applied to an automatic coating device of the wire insulation layer, and the automatic coating device of the wire insulation layer comprises a cloud control center for carrying out adaptive wire coating.
In order to better coat the wire insulation layer, when the wire insulation layer automatic coating device receives a wire insulation layer coating instruction sent by the cloud control center, the wire insulation layer automatic coating device also needs to preset the expected coating parameter of the target wire at the moment, wherein the coating instruction is obtained by adding the preset wire detection diameter and twice the expected coating thickness of the insulation layer according to the requirement when the target wire enters the wire insulation layer automatic coating device, the expected coating parameter comprises the preset wire detection diameter and the expected coating thickness of the insulation layer, the preset wire detection diameter is preset according to the uncoated diameter of the target wire, the expected coating thickness of the insulation layer is expected to be given according to the length of the preset wire detection diameter, and the expected coating diameter of the coated wire is obtained by adding the preset wire detection diameter and the twice the expected coating thickness of the insulation layer, so that the automatic coating of the wire insulation layer is realized at the later stage as an important reference basis.
Step A200: activating a primary spraying control unit embedded in a cloud control center to perform spraying optimization by combining the expected diameter of the coated wire and the preset wire detection diameter, and generating primary spraying control parameters;
further, the step a200 of the present application further includes:
step a210: acquiring a spraying control factor, wherein the spraying control factor comprises a coating material temperature, an electric wire preheating temperature, a spraying position sequence, a spraying flow sequence and a spraying duration sequence;
step A220: restricting the expected diameter of the coated wire and the preset wire detection diameter to be the wire insulation layer processing scene, and carrying out M times of assignment on the coating material temperature, the wire preheating temperature, the spraying position sequence, the spraying flow sequence and the spraying duration sequence to generate a spraying control factor assignment result and a coating diameter detection record, wherein M is more than or equal to 500, and M is an integer;
step A230: the spraying control factor assignment results are in one-to-one correspondence with the coating diameter detection records, and the coating diameter detection records are multi-point position diameter detection record values;
step A240: constructing a spraying control optimizing function according to the coating diameter detection record;
step A250: sorting the assignment result of the spraying control factors based on the spraying control optimizing function to generate the primary spraying control parameters.
According to the application, the expected diameter of a coated wire and the detection diameter of a preset wire are taken as the spraying basic data of an automatic coating device for the wire insulation layer, the expected diameter of the coated wire and the detection diameter of the preset wire are combined in data, a primary spraying control unit embedded in a cloud control center is activated at the same time, the automatic coating device for the wire insulation layer performs data optimization when spraying the wire, the spraying control factor is firstly obtained, wherein the spraying control factor comprises coating material temperature, wire preheating temperature, a spraying position sequence, a spraying flow sequence and a spraying duration sequence, the coating material temperature refers to the temperature after the target wire is preheated before the target wire is coated, the spraying position sequence refers to the spraying position with sequence when the target wire is sprayed, the spraying flow sequence refers to the spraying position with sequence when the target wire is sprayed, the spraying position sequence with sequence time is further has the sequence, the coating material temperature is further processed according to the expected diameter of the expected wire, the preset wire is processed according to the preset wire, the expected diameter is calculated in an integer number M, the expected diameter is calculated, the coating position sequence is processed according to the expected diameter is calculated, the expected diameter is calculated in a random condition after the coating sequence is calculated, and the expected diameter is calculated to be more than or equal to the expected diameter is calculated, the expected diameter is calculated in a condition is calculated, the expected to be processed by a condition is calculated by a predetermined value, and generating a spraying control factor assignment result and a coating diameter detection record after random combination according to different assignments, wherein the spraying control factor assignment result and the coating diameter detection record are in a one-to-one correspondence, the coating diameter detection record is a record value of multi-point diameter detection, and further, a spraying control optimizing function is constructed according to the coating diameter detection record, and the spraying control optimizing function constructed by the spraying control optimizing function is as follows:
;
wherein,characterizing the spray control fitness of the assignment result of the spray control factors of the ith group, +.>Representing the mean value of coating diameter detection records of the assignment result of the i-th group of spray control factors, and performing>Characterization of the desired diameter of the coated wire, +.>Characterizing deviation threshold value->The i-th recorded value of the coating diameter detection record characterizing the i-th group of spray control factors,/->Characterizing the number of coated diameter detection records, +.>Characterization statistics, number of deviations from the expected diameter of the covered wire less than a deviation threshold, +.>Characterizing the maximum deviation of the recorded value from the desired diameter of the coated wire, < >>And->Is a weight parameter.
Further, the spraying control optimizing function is used as basic data, and the coating material temperature, the wire preheating temperature, the spraying position sequence, the spraying flow sequence and the spraying duration sequence contained in the spraying control factor assignment result are sequentially sorted through the spraying adaptability in the spraying control optimizing function, so that primary spraying control parameters are generated, and further automatic coating of the wire insulation layer is guaranteed.
Step A300: activating a first rotating mechanism to convey a preset wire into a coating box body, and activating a polyethylene extrusion nozzle to perform spraying control based on the primary spraying control parameter when the preset wire has a first preset length in the coating box body;
in the application, before the automatic coating device for the wire insulation layer executes the coating device, a first rotating mechanism is required to be activated, the target wire is conveyed to the coating box body through the first rotating mechanism, the coating operation of the target wire is completed in the conveying process, the length of the preset wire is required to be judged before the first rotating mechanism is used, when the preset wire reaches a first preset length in the coating box body, a polyethylene extrusion nozzle is required to be activated, the first preset length is used for adaptively presetting the conveying length of the target wire according to the length in the coating box body, and further, the obtained sequential spraying control parameters are used as spraying data for the target wire, the target wire reaching the first preset length is subjected to spraying control through a polyethylene basic nozzle, so that the automatic coating compaction foundation is realized for the wire insulation layer.
Step A400: when the polyethylene extrusion nozzle completes one-time material spraying task, the material scraping channel is set to be in an open state, and pressure monitoring information is acquired through a sheet type miniature pressure sensor embedded in the inner wall of the material scraping channel;
in the application, in order to keep the thickness of the wire insulation layer after spraying the target wire uniform in the later stage, the activated polyethylene extrusion nozzle needs to be subjected to judgment of the completion condition of the spraying task, when the polyethylene extrusion nozzle completes one-time spraying task, namely after one-time spraying control is performed on the target wire through the polyethylene nozzle, the scraping channel is set to be in an open state, the pressure of the target wire with the polyethylene spraying material is monitored through a plurality of sheet-type micro pressure sensors embedded in the inner wall of the scraping channel, namely, the uniformity degree of the polyethylene spraying material on the target wire is judged through the pressure data monitored by the sheet-type micro pressure sensors embedded in the inner wall of the scraping channel, namely, when the pressure data is stable data, the polyethylene spraying material on the target wire is in a uniform state, and when the pressure data is unstable data, the polyethylene spraying material on the target wire is in a nonuniform state, so that the wire insulation layer is automatically coated and a limiting effect is realized.
Step A500: performing abnormal region analysis based on the pressure monitoring information to obtain an abnormal coating region;
further, the step a500 of the present application further includes:
step A510: extracting a diameter recorded value of the coated wire, a preset wire detection diameter recorded value, a melting density recorded value of the coated material and a shaping contact interface pressure calibrated value based on a pressure calibrated meter;
step A520: normalizing and adjusting the expected diameter of the coated wire, the preset wire detection diameter and the coating material melting density to generate a first coordinate, normalizing and adjusting the diameter record value of the coated wire, the preset wire detection diameter record value and the coating material melting density record value to generate a second coordinate set;
step a530: based on the first coordinates, screening the sizing contact interface pressure calibration value with the minimum distance value from the second coordinates set to be set as the contact interface expected pressure;
step a540: extracting a region of which the pressure monitoring information is smaller than the expected pressure of the contact interface, and setting the region as the abnormal coating region;
step A550: and when the preset updating period is met, based on big data, acquiring a coated wire diameter record value, a preset wire detection diameter record value, a coated material melting density record value and a shaping contact interface pressure calibration value, and updating the pressure calibration gauge.
In the application, in order to ensure the spraying uniformity of a target wire by an automatic wire insulation layer coating device, the recorded pressure monitoring information is required to be used for carrying out abnormal area analysis, namely, firstly, a coated wire diameter recording value, a preset wire detection diameter recording value, a coated material melting density recording value and a shaping contact interface pressure calibration value are extracted by a pressure calibration meter, wherein the coated wire diameter recording value is recorded data for measuring the diameter of the target wire after spraying, the preset wire detection diameter recording value is recorded data for presetting the ideal coating diameter of the target wire after spraying, the coated material melting density recording value is the mass of a unit volume of plastic melt for coating the target wire at a certain temperature, and the shaping contact interface pressure calibration value is a pressure calibration value preset according to the preset wire detection diameter before the target wire after spraying is subjected to pressure detection, and is used as a standard reference value for carrying out pressure monitoring.
Further, the expected diameter of the coated wire, the detected diameter of the preset wire and the molten density of the coating material are normalized so that the expected diameter of the coated wire, the detected diameter of the preset wire and the molten density of the coating material are limited in a certain range when the extracted expected diameter of the coated wire, the detected diameter of the preset wire and the molten density of the coating material are required to be processed, namely, the expected diameter of the coated wire, the detected diameter of the preset wire and the molten density of the coating material which are in dimensionless form, the detected diameter of the preset wire and the molten density of the coating material are required to be processed, the normalization processing result is recorded as a coordinate, namely, a first coordinate, and further, the recorded value of the diameter of the coated wire, the recorded value of the detected diameter of the preset wire and the recorded value of the molten density of the coating material are required to be processed, limiting the diameter record value of the coating wire with dimension, the preset wire detection diameter record value and the coating material melting density record value to be dimensionless, correspondingly acquiring a plurality of coordinates according to all the record values on the basis, marking the coordinates as a second coordinate set, further, taking the first coordinate as reference control data, screening out a sizing contact interface pressure calibration value with the minimum distance value from the first coordinate set from the second coordinate set and setting the sizing contact interface pressure calibration value as a contact interface expected pressure at the same time, further, judging the pressure area of the pressure monitoring information and the contact interface expected pressure, thereby extracting a region with the pressure monitoring information smaller than the contact interface expected pressure, and setting the pressure calibration meter as an abnormal coating area, wherein when the data of the pressure calibration meter meets a preset updating period, the preset updating period is defined according to the change frequency range of the pressure monitoring data, recording data in big data is used as basic information, a coated wire diameter recording value, a preset wire detection diameter recording value, a coating material melting density recording value and a shaping contact interface pressure calibration value are collected, and the pressure calibration meter is updated so as to be used as reference data when the later wire insulation layer is automatically coated.
Step A600: activating a polyethylene extrusion nozzle, performing compensation spraying control based on the abnormal coating area, when the polyethylene extrusion nozzle completes the compensation spraying task, setting the scraping channel to be in an open state, performing shaping control based on a preset shaping temperature and a preset shaping time, and when the preset shaping time is met, conveying the first preset length of electric wire out of the coating box body.
Further, as shown in fig. 2, step a600 of the present application further includes:
step a610: setting spraying position information according to the abnormal coating area;
step a620: loading a preset unit compensation amount of spraying from a user side;
step a630: controlling the polyethylene extrusion nozzle to perform primary compensation spraying based on the spraying preset unit compensation amount and the spraying position information;
step A640: when the primary compensation spraying is finished, the scraping channel is set to be in an open state, and a primary compensation spraying abnormal coating area is obtained through a sheet-type miniature pressure sensor embedded in the inner wall of the scraping channel;
step a650: and activating the polyethylene extrusion nozzle, and performing material spraying control based on the first-stage compensation material spraying abnormal coating areas until the number of the abnormal coating areas is 0, so as to generate a compensation material spraying task completion instruction.
In order to ensure uniformity when an electric wire insulation layer is automatically coated on a target electric wire, compensation spray control is needed to be performed on the obtained abnormal coating area after the polyethylene base spray head is activated, namely, firstly, the abnormal coating area is positioned, the spray position of the polyethylene base spray head is set, spray position information is obtained, further, the spray preset unit compensation amount is subjected to data loading from a user end connected with the electric wire insulation layer automatic coating device, the spray preset unit compensation amount is used for performing spray compensation on the target electric wire when the polyethylene extrusion spray head is used for spraying the target electric wire, meanwhile, the spray extrusion spray head is controlled on the basis of the spray preset unit compensation amount and the spray position information, so that the spray at the moment of the polyethylene extrusion spray head is recorded as first-stage compensation spray, when the first-stage compensation spray is completed, a scratch channel is in an open state, a region with pressure fluctuation existing in the first-stage compensation spray extruded by the polyethylene extrusion spray head is extracted through a sheet micro-type pressure sensor embedded in the inner wall of the scratch channel, the first-stage compensation spray head is further processed in the mode, the spray head is further processed as first-stage compensation spray compensation amount when the polyethylene extrusion spray head is used for spraying the target electric wire is subjected to spray coating according to the abnormal coating, the abnormal coating is further carried out, the compensation spray head is carried out according to the abnormal coating command, and the abnormal coating is carried out on the first-stage compensation spray channel is detected, and the abnormal coating is carried out, and the pressure is carried out on the first-stage and the pressure-stage is carried out on the thin film.
Further, when the scraping channel is in an open state, setting control is performed on the target wire with the spraying material at a preset setting temperature and a preset setting time length, the preset setting temperature is set according to the film covering setting temperature data of the wire in the big data, the preset setting time length is set according to the film covering time length of the wire in the big data, when the film covering time of the target wire meets the preset setting time length, the wire with the first preset length at the moment is conveyed out of the coating box body, the wire with the first preset length refers to the target wire which has completed coating, and the accuracy of automatic coating of the wire insulating layer is improved.
In summary, the automatic coating method for the wire insulation layer provided by the embodiment of the application at least has the following technical effects that the wire insulation layer is adaptively coated, and the uniformity of coating thickness is improved.
Example two
Based on the same inventive concept as the wire insulation layer automated coating method in the foregoing embodiments, the present application provides an automatic wire insulation layer coating apparatus, including:
coating the box body;
the first rotating mechanism is used for unreeling the electric wire;
the second rotating mechanism is used for winding the electric wire;
the water spraying device is used for cooling the coated and shaped electric wire;
the first rotating mechanism, the coating box body, the water spraying device and the second rotating mechanism are sequentially arranged on the automatic coating platform.
Optionally, the coating box body is correspondingly connected with the first rotating mechanism, the second rotating mechanism and the water spraying device respectively, wherein the first rotating mechanism is connected with the input end of the coating box body, the second rotating mechanism is connected with the output end of the coating box body, the first rotating mechanism is a device for extracting the target wire 6 before the target wire 6 is coated and is used for unreeling the target wire 6, the second rotating mechanism is a device for accommodating the target wire 6 after the coating of the target wire 6 is completed and is used for reeling the target wire 6, the water spraying device is a device for cooling the target wire 6 which is completed and shaped and is used for cooling the coated and shaped wire, and the first rotating mechanism, the coating box body, the water spraying device and the second rotating mechanism are sequentially deployed on an automatic coating platform according to the coating flow sequence of the target wire 6.
The polyethylene electric control spray head is arranged in the coating box body and can electrically control the polyethylene spraying amount;
optionally, the electrically controlled polyethylene spray head 1 is disposed inside the coating box, i.e. on the top end surface in the coating box, where the electrically controlled polyethylene spray head 1 is used to control the coating thickness and coating uniformity when coating the target electric wire 6 by electrically controlling the polyethylene spray amount when spraying the electrically controlled polyethylene spray head.
The multi-degree-of-freedom telescopic rod is characterized in that one end of the multi-degree-of-freedom telescopic rod is connected with the polyethylene spray head, the other end of the multi-degree-of-freedom telescopic rod is connected with the inner wall of the coating box body, and the spraying position of the polyethylene electric control spray head can be electrically controlled by the multi-degree-of-freedom telescopic rod;
optionally, the multi-degree-of-freedom telescopic rod 5 can stretch out and draw back from top to bottom, when the multi-degree-of-freedom telescopic rod 5 stretches downwards, then the polyethylene shower nozzle 1 increases to the material thickness that spouts of target electric wire 6, and degree of consistency reduces, when the multi-degree-of-freedom telescopic rod 5 contracts upwards, then the polyethylene shower nozzle 1 to the material thickness that spouts of target electric wire 6 reduce, degree of consistency improves, simultaneously, the flexible end and the polyethylene shower nozzle 1 of multi-degree-of-freedom telescopic rod 5 are connected, the top inner wall connection of stiff end and cladding box, and the automatically controlled shower nozzle 1 of multi-degree-of-freedom telescopic rod 5 accessible electric control polyethylene sprays the position on target electric wire 6.
Scrape material device, scrape material device arrange in cladding box is inside, scrape material device still includes:
the first scraping semicircular channel;
a second scraping semicircular channel;
when the scraping device is in an open state, the first scraping semicircular channel and the second scraping semicircular channel are closed at preset positions to form a circular channel with a preset inner diameter, and when the scraping device is in a closed state, the first scraping semicircular channel and the second scraping semicircular channel are separated;
one end of the fixed shaft is fixedly connected with the inner wall of one end of the coating box, and the other end of the fixed shaft is fixedly connected with the inner wall of the other end of the coating box;
the driving shaft is sleeved on the fixing shaft in a sliding manner and can rotate around the fixing shaft;
the semicircular groove body channel is fixedly connected with the driving shaft through a connecting rod;
the second scraping semicircular channel and the first scraping semicircular channel are identical in structure, and the second scraping semicircular channel and the first scraping semicircular channel are symmetrical to each other along the vertical cross section of the wire passing through the coating box body.
Optionally, the semicircular groove body channel includes a first scraping semicircular channel 7 and a second scraping semicircular channel 8, the first scraping semicircular channel 7 is connected with the first connecting rod 2, the other end of the first connecting rod 2 is connected with the first driving shaft 3, the sliding sleeve of the first driving shaft 3 is arranged on the first fixing shaft 4 and can rotate around the first fixing shaft 4, one end of the first fixing shaft 4 is fixedly connected with the inner wall of one end of the cladding box, the other end of the first fixing shaft 4 is fixedly connected with the inner wall of the other end of the cladding box, the second scraping semicircular channel 8 is connected with the second connecting rod 10, the other end of the second connecting rod 2 is connected with the second driving shaft 12, the sliding sleeve of the second driving shaft 12 is arranged on the second fixing shaft 11 and can rotate around the second fixing shaft 11, one end of the second fixing shaft 11 is fixedly connected with the inner wall of one end of the cladding box, the other end of the second fixing shaft 11 is fixedly connected with the inner wall of the cladding box, as shown in fig. 3, when the scraping device is in an open state, the first scraping semicircular channel 7 and the second scraping semicircular channel 8 can be closed at a preset position to form a circular channel with preset inner diameter, as shown in fig. 4, when the scraping device is in a closed state, the first scraping semicircular channel 7 and the second scraping semicircular channel 8 is separated from the first scraping semicircular channel.
The sheet type miniature pressure sensor is embedded in the inner walls of the first scraping semicircular channel and the second scraping semicircular channel;
optionally, as shown in fig. 5, the thin-sheet micro pressure sensor 9 is used for monitoring the uniformity of the coating film on the coated target wire 6, the thin-sheet micro pressure sensor 9 is embedded in the inner walls of the first scraping semicircular channel 7 and the second scraping semicircular channel 8, and is used for monitoring the pressure sensing of the coating area on the target wire, and the thin-sheet micro pressure sensor 9 refers to any type of micro high temperature resistant pressure sensor.
The cloud control center is used for remotely controlling the polyethylene electric control spray head, the multi-degree-of-freedom telescopic rod, the scraping device and the sheet type miniature pressure sensor.
Optionally, the automatic cladding device of the wire insulation layer comprises a cloud control center, the cloud control center is a system for remotely controlling the polyethylene electric control spray head 1, the multi-degree-of-freedom telescopic rod 5, the scraping device and the sheet micro pressure sensor 9, and the cloud control center is used for controlling the polyethylene electric control spray head 1 to spray the target wire 6 respectively in the cladding process of the target wire 6, controlling the multi-degree-of-freedom telescopic rod 5 to control the expansion and contraction of the polyethylene electric control spray head 1 so as to control the cladding thickness and cladding uniformity of the target wire 6, controlling the scraping device to ensure the cladding uniformity of the target wire, and controlling the sheet micro pressure sensor 9 to monitor the abnormal pressure on the target wire after cladding is completed.
The foregoing detailed description of the automatic coating method for the wire insulation layer will be clear to those skilled in the art, and the device disclosed in this embodiment is relatively simple in description, and the relevant points refer to the description of the method section, since it corresponds to the method disclosed in the embodiment.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An automatic coating method for an electric wire insulation layer, which is applied to an automatic coating device for the electric wire insulation layer, wherein the device comprises a cloud control center, and the method comprises the following steps:
when a wire insulation layer coating instruction is received, receiving a preset wire detection diameter and an insulation layer expected coating thickness, and generating a coated wire expected diameter;
activating a primary spraying control unit embedded in a cloud control center to perform spraying optimization by combining the expected diameter of the coated wire and the preset wire detection diameter, and generating primary spraying control parameters;
activating a first rotating mechanism to convey a preset wire into a coating box body, and activating a polyethylene extrusion nozzle to perform spraying control based on the primary spraying control parameter when the preset wire has a first preset length in the coating box body;
when the polyethylene extrusion nozzle completes one-time material spraying task, the material scraping channel is set to be in an open state, and pressure monitoring information is acquired through a sheet type miniature pressure sensor embedded in the inner wall of the material scraping channel;
performing abnormal region analysis based on the pressure monitoring information to obtain an abnormal coating region;
activating a polyethylene extrusion nozzle, performing compensation spraying control based on the abnormal coating area, when the polyethylene extrusion nozzle completes the compensation spraying task, setting the scraping channel to be in an open state, performing shaping control based on a preset shaping temperature and a preset shaping time, and when the preset shaping time is met, conveying the first preset length of electric wire out of the coating box body.
2. The method of claim 1, wherein activating a primary spray control unit for spray optimization in combination with the desired diameter of the coated wire and the predetermined wire detection diameter, generates primary spray control parameters, comprising:
acquiring a spraying control factor, wherein the spraying control factor comprises a coating material temperature, an electric wire preheating temperature, a spraying position sequence, a spraying flow sequence and a spraying duration sequence;
restricting the expected diameter of the coated wire and the preset wire detection diameter to be the wire insulation layer processing scene, and carrying out M times of assignment on the coating material temperature, the wire preheating temperature, the spraying position sequence, the spraying flow sequence and the spraying duration sequence to generate a spraying control factor assignment result and a coating diameter detection record, wherein M is more than or equal to 500, and M is an integer;
the spraying control factor assignment results are in one-to-one correspondence with the coating diameter detection records, and the coating diameter detection records are multi-point position diameter detection record values;
constructing a spraying control optimizing function according to the coating diameter detection record;
sorting the assignment result of the spraying control factors based on the spraying control optimizing function to generate the primary spraying control parameters.
3. The method of claim 2, wherein the spray control optimizing function is:
;
wherein,characterizing the spray control fitness of the assignment result of the spray control factors of the ith group, +.>Representing the mean value of coating diameter detection records of the assignment result of the i-th group of spray control factors, and performing>Characterization of the desired diameter of the coated wire, +.>Characterizing deviation threshold value->The i-th recorded value of the coating diameter detection record characterizing the i-th group of spray control factors,/->Characterizing the number of coated diameter detection records, +.>Characterization statistics, number of deviations from the expected diameter of the covered wire less than a deviation threshold, +.>Characterizing the maximum deviation of the recorded value from the desired diameter of the coated wire, < >>And->Is a weight parameter.
4. The method of claim 1, wherein performing an anomaly region analysis based on the pressure monitoring information to obtain an anomaly coated region comprises:
extracting a diameter recorded value of the coated wire, a preset wire detection diameter recorded value, a melting density recorded value of the coated material and a shaping contact interface pressure calibrated value based on a pressure calibrated meter;
normalizing and adjusting the expected diameter of the coated wire, the preset wire detection diameter and the coating material melting density to generate a first coordinate, normalizing and adjusting the diameter record value of the coated wire, the preset wire detection diameter record value and the coating material melting density record value to generate a second coordinate set;
based on the first coordinates, screening the sizing contact interface pressure calibration value with the minimum distance value from the second coordinates set to be set as the contact interface expected pressure;
extracting a region of which the pressure monitoring information is smaller than the expected pressure of the contact interface, and setting the region as the abnormal coating region;
and when the preset updating period is met, based on big data, acquiring a coated wire diameter record value, a preset wire detection diameter record value, a coated material melting density record value and a shaping contact interface pressure calibration value, and updating the pressure calibration gauge.
5. The method of claim 1, wherein activating a polyethylene extrusion nozzle for shot control based on the anomalous cladding region comprises:
setting spraying position information according to the abnormal coating area;
loading a preset unit compensation amount of spraying from a user side;
controlling the polyethylene extrusion nozzle to perform primary compensation spraying based on the spraying preset unit compensation amount and the spraying position information;
when the primary compensation spraying is finished, the scraping channel is set to be in an open state, and a primary compensation spraying abnormal coating area is obtained through a sheet-type miniature pressure sensor embedded in the inner wall of the scraping channel;
and activating the polyethylene extrusion nozzle, and performing material spraying control based on the first-stage compensation material spraying abnormal coating areas until the number of the abnormal coating areas is 0, so as to generate a compensation material spraying task completion instruction.
6. An automated wire insulation coating apparatus for performing the method of any one of claims 1-5, the automated wire insulation coating apparatus comprising:
coating the box body;
the polyethylene electric control spray head is arranged in the coating box body and can electrically control the polyethylene spraying amount;
the multi-degree-of-freedom telescopic rod is characterized in that one end of the multi-degree-of-freedom telescopic rod is connected with the polyethylene spray head, the other end of the multi-degree-of-freedom telescopic rod is connected with the inner wall of the coating box body, and the spraying position of the polyethylene electric control spray head can be electrically controlled by the multi-degree-of-freedom telescopic rod;
scrape material device, scrape material device arrange in cladding box is inside, scrape material device still includes:
the first scraping semicircular channel;
a second scraping semicircular channel;
when the scraping device is in an open state, the first scraping semicircular channel and the second scraping semicircular channel are closed at preset positions to form a circular channel with a preset inner diameter, and when the scraping device is in a closed state, the first scraping semicircular channel and the second scraping semicircular channel are separated;
the sheet type miniature pressure sensor is embedded in the inner walls of the first scraping semicircular channel and the second scraping semicircular channel;
the cloud control center is used for remotely controlling the polyethylene electric control spray head, the multi-degree-of-freedom telescopic rod, the scraping device and the sheet type miniature pressure sensor.
7. The automated wire insulation cladding apparatus of claim 6, wherein the first scraper semi-circular channel comprises:
one end of the fixed shaft is fixedly connected with the inner wall of one end of the coating box, and the other end of the fixed shaft is fixedly connected with the inner wall of the other end of the coating box;
the driving shaft is sleeved on the fixing shaft in a sliding manner and can rotate around the fixing shaft;
the semicircular groove body channel is fixedly connected with the driving shaft through a connecting rod;
the second scraping semicircular channel and the first scraping semicircular channel are identical in structure, and the second scraping semicircular channel and the first scraping semicircular channel are symmetrical to each other along the vertical cross section of the wire passing through the coating box body.
8. The automated wire insulation coating apparatus of claim 6, further comprising:
the first rotating mechanism is used for unreeling the electric wire;
the second rotating mechanism is used for winding the electric wire;
the water spraying device is used for cooling the coated and shaped electric wire;
the first rotating mechanism, the coating box body, the water spraying device and the second rotating mechanism are sequentially arranged on the automatic coating platform.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005123116A (en) * | 2003-10-20 | 2005-05-12 | Sumitomo Electric Ind Ltd | Manufacturing method and manufacturing device of insulated wire, and communication cable |
| CN115938686A (en) * | 2022-11-24 | 2023-04-07 | 江苏洪能电缆有限公司 | Preparation process of flame-retardant charging cable for automobile |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005123116A (en) * | 2003-10-20 | 2005-05-12 | Sumitomo Electric Ind Ltd | Manufacturing method and manufacturing device of insulated wire, and communication cable |
| CN115938686A (en) * | 2022-11-24 | 2023-04-07 | 江苏洪能电缆有限公司 | Preparation process of flame-retardant charging cable for automobile |
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