CN112071531A - Manufacturing method of double-end mica tape - Google Patents
Manufacturing method of double-end mica tape Download PDFInfo
- Publication number
- CN112071531A CN112071531A CN202010865767.6A CN202010865767A CN112071531A CN 112071531 A CN112071531 A CN 112071531A CN 202010865767 A CN202010865767 A CN 202010865767A CN 112071531 A CN112071531 A CN 112071531A
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- China
- Prior art keywords
- mica
- paper
- tape
- mica tape
- double
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010445 mica Substances 0.000 title claims abstract description 110
- 229910052618 mica group Inorganic materials 0.000 title claims abstract description 110
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 239000012779 reinforcing material Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 238000013329 compounding Methods 0.000 claims abstract description 9
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 238000001723 curing Methods 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000004804 winding Methods 0.000 claims description 27
- 239000004744 fabric Substances 0.000 claims description 10
- 239000003365 glass fiber Substances 0.000 claims description 10
- 229910052628 phlogopite Inorganic materials 0.000 claims description 9
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052627 muscovite Inorganic materials 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000010073 coating (rubber) Methods 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 claims description 2
- 238000007766 curtain coating Methods 0.000 claims description 2
- 238000007761 roller coating Methods 0.000 claims 1
- 239000011810 insulating material Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
Landscapes
- Insulating Bodies (AREA)
Abstract
The invention relates to the field of manufacturing of electrical insulating materials, and provides a manufacturing method of a double-head mica tape, which comprises the following steps: (1) unwinding mica paper and a reinforcing material; (2) gluing a reinforcing material and compounding with mica paper; (3) drying, curing and rolling to obtain a mica tape blank tape; (4) and cutting the mica tape blank tape mother roll into required widths, and rolling to obtain the double-end mica tape roll. The method is a production method for realizing a multi-layer lapping product at a single lapping head of a paper lapping machine, the length of the product can reach the level of ten thousand meters, the problems of easy disc breakage and disc spanning of a 3-5mm ultra-narrow mica tape are solved, and the requirements on the mica tape belt groups in the production and application processes are met.
Description
Technical Field
The invention relates to a manufacturing method of an electrical insulating material, in particular to a manufacturing method of a double-head mica tape.
Background
The mica tape for the fire-resistant safety cable is a strip-shaped insulating material which is formed by taking heat-resistant insulating mica paper as a base material, taking electronic grade alkali-free glass fiber cloth (or a film and the like) as a reinforcing material, impregnating the base material with a high-temperature organic silicon adhesive, compounding, baking and cutting the impregnated base material, and wrapping the mica tape on a core wire by a wrapping machine, so that a finished cable product can keep safe operation for a certain time under the condition of flame combustion.
At present, the unwinding tension and the winding tension are controlled manually or intelligently to adjust and control the winding tightness of the mica tapes, the thickness of the mica tapes is not uniform, the tension control requirement is higher when the mica tapes with narrower width are cut, otherwise, the cut ultra-narrow split-disc mica tapes are cracked or crossed due to uneven tightness, the yield is extremely low, and even partial width of the split-disc mica tapes cannot be split.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a method for manufacturing a double-end mica tape, which is a production method for realizing a multi-layer lapping product in a single lapping head of a paper lapping machine, wherein the product length can reach the ten thousand meter level, the problems of easy disc breakage and disc spanning of a 3-5mm ultra-narrow mica tape are solved, and the requirements on a mica tape roll in the production and application processes are met.
The purpose of the invention is realized by the following technical scheme.
A manufacturing method of a double-head mica tape comprises the following steps:
(1) unwinding mica paper and a reinforcing material;
(2) gluing a reinforcing material and compounding with mica paper;
(3) drying, curing and rolling to obtain a mica tape blank tape;
(4) and cutting the mica tape blank tape mother roll into required widths, and rolling to obtain the double-end mica tape roll.
In the above technical solution, the mica paper in step (1) includes phlogopite paper, muscovite paper, synthetic mica paper, calcined phlogopite paper, calcined muscovite paper, etc., and the quantitative ratio is 70-250 g/m.
In the above technical solution, the reinforcing material in step (1) is glass fiber cloth, a film, a ceramic silicone rubber coating, etc., preferably alkali-free glass fiber cloth, a mono/biaxial stretching PE/PET/PI/PTFE film, a ceramic silicone rubber coating.
In the technical scheme, the gluing mode in the step (2) is roll coating, crack, reticulate pattern, curtain coating and the like, and the metering rod is a Meyer rod, a wire rod and the like.
In the technical scheme, the compounding form of the mica tape blank tape in the step (2) is that a layer of reinforcing material is compounded with mica paper, two layers of reinforcing materials are compounded on one side of the mica paper, and two layers of reinforcing materials are compounded on two sides of the mica paper respectively.
In the above technical solution, in the step (4), the width of the disc-shaped product is required to be 3mm-1000mm (the upper limit of the width is 1000mm because the width of the currently produced blank tape is, and the upper limit can be determined according to the width of the blank tape), the disc-shaped product is formed by winding the mica tape from the bottom of the winding without displacement in the width direction, and the width of the disc-shaped product after winding is equal to the width of the mica tape.
In the technical scheme, the width of the rolled product in the step (4) is required to be 3-70 mm, the rolled product refers to that the mica tape is rolled from the bottom of rolling, the rolling is carried out along the width direction, and the width of the rolled product is larger than that of the mica tape.
In the above technical solution, the mica tape winding manner in the step (4) may be a single-disk side-by-side type, specifically: the two mica tape heads are wound on a disc of mica tape in parallel and are unfolded to form two parallel mica tape heads, and the disc of mica tape is limited in diameter and length by kilometers. In addition, a single mica tape head can be unfolded to be used as a single-head single-disc mica tape, and the method solves the problem that the cross disc and the disc collapse are easily caused due to poor control of the slitting tension of the single-disc ultra-narrow mica tape.
In the above technical solution, the mica tape winding manner in the step (4) may be a single-disk overlapping type, specifically: the two mica tape heads are overlapped and wound on a disc of mica tape and are unfolded to form the two overlapped mica tape heads, and the disc of mica tape is limited in diameter and length by kilometers.
In the above technical solution, the mica tape winding manner in the step (4) may be a single-winding side-by-side type, specifically: the two mica tape heads are wound on a roll of winding mica tape side by side and are unfolded into two parallel mica tape heads, and the length of the mica tape can reach the ten thousand meter level according to the requirement.
In the above technical solution, the mica tape winding manner in the step (4) may be a single-winding overlapping manner, specifically: the two mica tape heads are overlapped and wound on a roll of winding mica tape and are unfolded into two overlapped mica tape heads, and the length of the mica tape can reach the ten thousand meter level according to the requirement.
Through the rolling mode, the double-head mica tape manufacturing method can be suitable for the production of three-head mica tapes and more than three-head mica tapes. The invention relates to a manufacturing method of a double-end mica tape, which aims to ensure the continuous working capacity of cables under the condition of flame, a plurality of mica layers can be wound outside a copper rod for most of the cables, six layers can be achieved conventionally, however, only one layer can be wound on a single winding head by using the conventional single-end mica tape, and a user needs to increase the number of winding heads with corresponding layers for achieving multi-layer winding or repeatedly perform winding under a certain winding head, both of which can increase the floor area of the user and reduce the winding efficiency. The number of the mica tape heads unfolded by the product is two, so that the defects can be overcome, the waste of the mica tape can be effectively reduced, and the shutdown tape splicing frequency is reduced; the covered wire has smooth and flat appearance and can be almost applied to all mica tape products.
Drawings
FIG. 1 is a schematic structural diagram of a single-roll overlapped mica tape according to the present invention.
FIG. 2 is a schematic structural diagram of a single-disc side-by-side mica tape according to the present invention.
Wherein: 1. 2-mica tape strip, 3-mica tape band mass obtained by coiling and 4-coil core.
Detailed Description
The present invention will be described in detail with reference to specific examples, but the present invention is not limited to these examples.
Example 1 a single roll of overlapping double-ended phlogopite single-sided tape of 20mm width is made by a process comprising the steps of:
(1) blank belt production: respectively unreeling the phlogopite paper and the glass fiber cloth through an automatic tension controller, (1-2) gluing the glass fiber cloth and compounding the glass fiber cloth with the mica paper, and (1-3) after the mica paper is permeated, drying, curing and rolling in an oven to obtain a mica tape blank tape;
(2) cutting and distributing the blank belt: cutting a kilometer mica tape blank tape parent roll with the width of 1000mm into 50 disks of mica tape disks with the width of 20 mm;
(3) winding: two mica tape reels with the width of 20mm are arranged at the two unwinding ends in the front and back direction, are positioned by a plurality of positioning wheels after passing through an automatic constant tension system, and are wound into mica tape rolls in a translation mode by a winding end winding arm;
(4) the organic silicon pressure sensitive adhesive or the transparent adhesive is adopted to avoid the butt joint of mica tape reels;
(5) repeating the step (3) and the step (4), and checking the coil diameter of the belt coil, wherein after the coil diameter of the belt coil meets the requirement, a single-roll overlapped double-end phlogopite single-sided belt with the width of 20mm and the required length is obtained (as shown in figure 1);
(6) during winding, the tension controller is flexibly used according to the tightness of the blank belt on the unwinding shaft, and the disc surface is found to be slightly bent, which indicates that the tension is too large, so that the tension is required to be immediately reduced, and the speed is slowed down.
Embodiment 2 a 4mm wide single-disc side-by-side double-ended phlogopite triple band is manufactured by a method comprising the steps of:
(1) blank belt production: (1-1) unwinding a gold mica paper and a glass fiber cloth through an automatic tension controller respectively, (1-2) gluing the glass fiber cloth and compounding the glass fiber cloth with the mica paper, and (1-3) infiltrating the mica paper, then drying and curing the mica paper in an oven, compounding the mica paper with a film and then winding the mica paper blank to obtain a mica tape blank;
(2) cutting a blank belt: after the kilometer mica tape blank tape with the width of 1000mm is subjected to primary winding for four times, the kilometer mica tape blank tape passes through an automatic deviation-rectifying constant tension system again, is cut into mica tape tapes through a precision splitting machine, and is wound on a group of circle cores with the width of 8mm through a winding device, so that a 4mm wide single-disc side-by-side double-end phlogopite three-combined tape (as shown in figure 2) with the required length is obtained.
Details not described in this specification are within the skill of the art that are well known to those skilled in the art.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the scope of the present invention is not limited thereto, and all equivalent variations made according to the spirit of the present invention should be covered within the scope of the present invention.
Claims (8)
1. A manufacturing method of a double-head mica tape is characterized by comprising the following steps:
(1) unwinding mica paper and a reinforcing material;
(2) gluing a reinforcing material and compounding with mica paper;
(3) drying, curing and rolling to obtain a mica tape blank tape;
(4) and cutting the mica tape blank tape mother roll into required widths, and winding into double-end mica tape clusters.
2. The method for manufacturing double-ended mica tapes according to claim 1, wherein: the mica paper in the step (1) comprises phlogopite paper, muscovite paper, synthetic mica paper, calcined phlogopite paper or calcined muscovite paper, and the quantitative ratio is 70-250 g/m.
3. The method for manufacturing double-ended mica tapes according to claim 1, wherein: the reinforcing material in the step (1) comprises glass fiber cloth, a film or a ceramic silicon rubber coating.
4. The method for manufacturing double-ended mica tapes according to claim 1, wherein: the gluing mode in the step (2) is roller coating, crack, reticulate pattern or curtain coating, and the metering rod is a Meyer rod or a wire rod.
5. The method for manufacturing double-ended mica tapes according to claim 1, wherein: the compounding form of the mica tape blank tape in the step (2) is that a layer of reinforcing material is compounded with mica paper, or two layers of reinforcing materials are compounded on one side of the mica paper, or two layers of reinforcing materials are compounded on two sides of the mica paper respectively.
6. The method for manufacturing double-ended mica tapes according to claim 1, wherein: the width of the disc-shaped product in the step (4) is required to be 3mm-1000 mm.
7. The method for manufacturing double-ended mica tapes according to claim 1, wherein: in the step (4), the width of the rolled product is required to be 3mm-70 mm.
8. The method for manufacturing double-ended mica tapes according to claim 1, wherein: and (4) rolling the mica tape in a single-disk side-by-side mode, a single-disk overlapped mode, a single-roll side-by-side mode or a single-roll overlapped mode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010865767.6A CN112071531A (en) | 2020-08-26 | 2020-08-26 | Manufacturing method of double-end mica tape |
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CN202010865767.6A CN112071531A (en) | 2020-08-26 | 2020-08-26 | Manufacturing method of double-end mica tape |
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CN202010865767.6A Pending CN112071531A (en) | 2020-08-26 | 2020-08-26 | Manufacturing method of double-end mica tape |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102254653A (en) * | 2011-04-28 | 2011-11-23 | 江苏冰城电材股份有限公司 | Method for manufacturing mica tape with surface treatment by plasma |
WO2012175931A1 (en) * | 2011-06-20 | 2012-12-27 | Tyco Electronics Uk Ltd | High temperature insulating tape and wire or cable sheathed therewith |
CN204407100U (en) * | 2014-11-05 | 2015-06-17 | 云南前列电缆集团有限公司 | Cable mica tape double end winding machine |
CN205364771U (en) * | 2016-01-14 | 2016-07-06 | 余干县合创展新型材料有限公司 | Fire resistant mica tape's compound coating unit |
CN205566027U (en) * | 2016-04-19 | 2016-09-07 | 南京汽轮电机(集团)有限责任公司 | Roll up device that system mica was rolled up |
CN106960705A (en) * | 2017-04-19 | 2017-07-18 | 苏州巨峰电气绝缘***股份有限公司 | It is a kind of suitable for low resin mica tape of high-voltage motor and preparation method thereof |
CN109545454A (en) * | 2018-11-12 | 2019-03-29 | 四川自胜机电设备有限责任公司 | A kind of wire and cable basalt fiber cloth fire resistant belt and preparation method thereof |
-
2020
- 2020-08-26 CN CN202010865767.6A patent/CN112071531A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102254653A (en) * | 2011-04-28 | 2011-11-23 | 江苏冰城电材股份有限公司 | Method for manufacturing mica tape with surface treatment by plasma |
WO2012175931A1 (en) * | 2011-06-20 | 2012-12-27 | Tyco Electronics Uk Ltd | High temperature insulating tape and wire or cable sheathed therewith |
CN204407100U (en) * | 2014-11-05 | 2015-06-17 | 云南前列电缆集团有限公司 | Cable mica tape double end winding machine |
CN205364771U (en) * | 2016-01-14 | 2016-07-06 | 余干县合创展新型材料有限公司 | Fire resistant mica tape's compound coating unit |
CN205566027U (en) * | 2016-04-19 | 2016-09-07 | 南京汽轮电机(集团)有限责任公司 | Roll up device that system mica was rolled up |
CN106960705A (en) * | 2017-04-19 | 2017-07-18 | 苏州巨峰电气绝缘***股份有限公司 | It is a kind of suitable for low resin mica tape of high-voltage motor and preparation method thereof |
CN109545454A (en) * | 2018-11-12 | 2019-03-29 | 四川自胜机电设备有限责任公司 | A kind of wire and cable basalt fiber cloth fire resistant belt and preparation method thereof |
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Address after: No. 242, Tongcheng Avenue, Tongcheng County, Xianning City, Hubei Province 437400 Applicant after: Hubei Ping'an Electric Technology Co.,Ltd. Address before: 437400 Building 1, 226 Yuli Avenue, junshui Town, Tongcheng County, Xianning City, Hubei Province Applicant before: PAMICA ELECTRIC MATERIAL (HUBEI) Co.,Ltd. |
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Application publication date: 20201211 |