CN103928197B - Roller shaft type surface lubricant coating device for enamelled wires and application thereof - Google Patents
Roller shaft type surface lubricant coating device for enamelled wires and application thereof Download PDFInfo
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- CN103928197B CN103928197B CN201410164909.0A CN201410164909A CN103928197B CN 103928197 B CN103928197 B CN 103928197B CN 201410164909 A CN201410164909 A CN 201410164909A CN 103928197 B CN103928197 B CN 103928197B
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Abstract
Disclosure one roller shaft type surface lubricant coating device for enamelled wires and application thereof, this surface lubricant coating device for enamelled wires includes for by heated for the solid lubricant melt element being melted into liquid lubricant, for being uniformly coated with the coating unit of lubricant to the surface of enamel-covered wire.It adopts melt element heating solid lubricant, and liquid lubricant is applied on felt through roller, then penetrates felt and be coated on the surface of enamel-covered wire；Avoid the problem that the environmental pollution using 120# solvent to bring, potential safety hazard, cost increase, and ensure the uniformity that the cleannes of lubricant, lubricant are coated with, improve the surface flatness of enamel-covered wire, reduce the frictional force between enamel-covered wire and tooling device, high efficiency seriality, automatization's enamel-covered wire technique for coiling can be met, guaranteeing that during coiling, unwrapping wire is smooth and easy, being particularly well-suited to make diameter is 0.07-1.0mm enamel-covered wire.
Description
Technical field
The present invention relates to enamel-covered wire technical field, especially one roller shaft type surface lubricant coating device for enamelled wires and application thereof.
Background technology
Enamel-covered wire is a principal item of winding wire, is made up of conductor and insulating barrier two, and after the annealed softening of bare wire, then through repeatedly painting, baking forms.Friction is there is between enamel-covered wire and tooling device (guide wheel, mould, coil winding machine part etc.) during coiling, thus enamel-covered wire itself not only to have enough mechanical strengths, its surface is also smooth as much as possible, without any pimple particulate, has alap coefficient of friction.In the eighties in 20th century, quite a lot of factory is dissolved in gasoline with paraffin and does surface lubrication, and enamel-covered wire slip has had bigger improvement, but there is also many problems.Particularly, along with the automatization of the seriality of Production of Enamel Wires, coiling requires that single line dish retractable cable amount is as far as possible big, to improve production efficiency；And Large Copacity drum is also beneficial to reduce storage, cost of transportation, thus the requirement of enamelled wire surface slip also improves accordingly.
At present, surface lubricant coating device for enamelled wires of the prior art adopts and is dissolved in 120# solvent naphtha by lubricating oil wax, and enamel-covered wire oil wax is coated on the surface of enamel-covered wire again through the absorption principle of felt.120# solvent naphtha is used to have following deficiency: (1) needs to use substantial amounts of 120# solvent naphtha, and 120# solvent naphtha is readily volatilized, and distributes the taste of stimulation, and environment is had pollution.(2) 120# solvent naphtha ignition point is low, and safety coefficient is low, it is easy to the hidden danger such as breaking out of fire；Production process is easily generated deflagration accident having, there is production safety hidden danger.(3) a large amount of 120# solvent oil masses that use, the production cost of raising product.To this, patent CN103219099A discloses the Lacquered wire lubricating oil oiling station of a kind of environment-friendly type, including an oil sump tank, is used for storing lubricating oil；One lubricating oil oiling cylinder, utilizes cylinder that lubricating oil is applied to the surface of enamel-covered wire；One resistant to elevated temperatures block rubber, for wiping lubricating oil unnecessary on enamel-covered wire off；One lubricating oil liquid-level controller, for Lacquered wire lubricating oil level control；One solid lubrication oil wax storage bin, for providing lubricating oil wax continually；One heat pipe, for heating to lubricating oil wax, keeps the mobility of oil wax；One electric heating control chamber, for controlling the temperature of conduction oil, it is ensured that stablizing of Lubricating Oil Temperature.But, this oiling station adopts block rubber to strike off lubricating oil wax, and its precision is very poor, it is difficult to ensures to be coated with the uniformity of oil lubricant coating, and then affects the surface flatness of enamel-covered wire, it is difficult to reduces the frictional force between enamel-covered wire and tooling device.
Summary of the invention
It is an object of the invention to provide a kind of roller shaft type surface lubricant coating device for enamelled wires, it adopts melt element heating solid lubricant, liquid lubricant is applied on felt through roller, penetrate felt again and be coated on the surface of enamel-covered wire, utilize felt pressure plate to control the coated weight of the lubricant of enamelled wire surface, utilize the constant temperature that heat transfer plate is further ensured that on felt lubricant；Avoid the problem that the environmental pollution using 120# solvent to bring, potential safety hazard, cost increase, and ensure the constant temperature of lubricant, namely ensure the uniformity of the cleannes of lubricant, lubricant coating, improve the surface flatness of enamel-covered wire, reduce the frictional force between enamel-covered wire and tooling device, high efficiency seriality, automatization's enamel-covered wire technique for coiling can be met, it is ensured that during coiling, unwrapping wire is smooth and easy, does not affect the properties of enamel-covered wire.
A further object of the present invention is in that providing a kind of roller shaft type surface lubricant coating device for enamelled wires is the application in 0.07-1.0mm enamel-covered wire making diameter.
The present invention provides a kind of roller shaft type surface lubricant coating device for enamelled wires, including
Melt element: be used for heated for the solid lubricant liquid lubricant that is melted into, and flow through the oil groove to coating unit by supply line；
Coating unit: include the oil groove for storing liquid lubricant, it is placed in the roller above oil groove, it is positioned at the lower felt below enamel-covered wire, is positioned at the upper felt above enamel-covered wire and is close to the felt pressure plate of felt, wherein, the lower half of roller is immersed in the liquid lubricant of oil groove, lower felt is close in the top of roller, and roller is for being used for uniformly being coated with lubricant to the surface of enamel-covered wire for lubricant, upper felt and lower felt to felt.
Wherein, described solid lubricant is solid lubrication oil wax or solid lubrication fat, it is also possible to be other commercially available solid lubricants.
It is also preferred that the left described melt element includes adding heat pipe, aluminium sheet, solid lubricant supply and supply line, aluminium sheet is connected with solid lubricant supply, adds heat pipe and is connected with aluminium sheet.After heating pipe work, its heat is transferred to solid lubricant supply by aluminium sheet, and solid lubricant is heated is melted into liquid lubricant, flow to the oil groove of coating unit through supply line and gathers.
Preferably, described supply line and oil groove are all located on aluminium sheet, and supply line is integrated recessed pipeline on aluminium sheet, and oil groove is integrated groove on aluminium sheet.Supply line and oil groove are shaped on aluminium sheet, have saved corresponding parts, reduced cost, it is simple to installation and removal；Simultaneously, oil groove, supply line concentrate on aluminium sheet one-body moldedly, ensure the transmission of heat, both avoided the scattering and disappearing of heat, energy efficient, and be beneficial to again and keep the temperature constant of liquid lubricant in oil groove, thus avoiding the local solidification of lubricant to ensure the cleannes of lubricant, and ensure the uniformity of felt coating liquid lubricant, improve the surface flatness of enamel-covered wire, reduce the frictional force between enamel-covered wire and tooling device, high efficiency seriality, automatization's enamel-covered wire technique for coiling can be met.
It is also preferred that the left described in add heat pipe and be connected to radiator valve, add heat pipe and be positioned at the lower section of oil groove.Control to add heat pipe by radiator valve, liquid lubricant in oil groove is made to keep constant temperature, thus avoiding the local solidification of lubricant to ensure the cleannes of lubricant, and ensure the uniformity of felt coating liquid lubricant, improve the surface flatness of enamel-covered wire, reduce the frictional force between enamel-covered wire and tooling device, high efficiency seriality, automatization's enamel-covered wire technique for coiling can be met.
It is also preferred that the left described roller is driven by motor.Preferably, described roller is driven by buncher.Roller is rotated by driven by motor, takes up the liquid lubricant in oil groove, and liquid lubricant is adsorbed by the felt above roller, permeates in upper felt and lower felt, and is uniformly applied on enamel-covered wire.
It is also preferred that the left lower felt be connected below heat transfer plate, heat transfer plate is connected with aluminium sheet.Heat transfer plate below lower felt contacts with heated aluminium sheet, the temperature of felt also can rise accordingly, and close to the temperature of aluminium sheet, the temperature constant of liquid lubricant can be ensured further, and then make infiltration in lower felt liquid lubricant evenly, make the frictional force between lower felt and enamel-covered wire less, it is to avoid broken string in production process or viscous line simultaneously.
The present invention provides above-mentioned roller shaft type surface lubricant coating device for enamelled wires to be the application in 0.07-1.0mm enamel-covered wire making diameter.
Beneficial effects of the present invention has:
1, adopting melt element heating solid lubricant, and be applied on felt through roller, liquid lubricant uniformly penetrating felt is also coated on the surface of enamel-covered wire；Avoid the problem that the environmental pollution using 120# solvent to bring, potential safety hazard, cost increase, and ensure the uniformity that the cleannes of lubricant, lubricant are coated with, improve the surface flatness of enamel-covered wire, reduce the frictional force between enamel-covered wire and tooling device, high efficiency seriality, automatization's enamel-covered wire technique for coiling can be met, guaranteeing that during coiling, unwrapping wire is smooth and easy, being particularly well-suited to make diameter is 0.07-1.0mm enamel-covered wire；
2, supply line and oil groove are shaped on aluminium sheet, have saved corresponding parts, utilize and reduce cost, it is simple to the installation and removal of device；Meanwhile, oil groove, supply line concentrate on aluminium sheet one-body moldedly, it is ensured that the transmission of heat, have both avoided lost, the energy efficient of heat, are beneficial to again and keep the temperature constant of liquid lubricant in oil groove；
3, it is positioned at the heat pipe that adds below oil groove and is carried out thermostatic control by radiator valve, liquid lubricant in oil groove is made to keep constant temperature, thus avoiding the local solidification of lubricant to ensure the cleannes of lubricant, and ensure the uniformity of felt coating liquid lubricant, improve the surface flatness of enamel-covered wire, reduce the frictional force between enamel-covered wire and tooling device, high efficiency seriality, automatization's enamel-covered wire technique for coiling can be met；
4, the heat transfer plate being connected with being connected with aluminium sheet of lower felt, can heat lower felt and liquid lubricant therein so that the frictional force between lower felt and enamel-covered wire is less further, it is to avoid broken string in production process or viscous line.
Accompanying drawing explanation
Fig. 1 is the structural representation of the roller shaft type surface lubricant coating device for enamelled wires of the present invention.
In figure, 1-melt element, 2-coating unit, 11-adds heat pipe, 12-aluminium sheet, 13-solid lubricant supply, 14-supply line, 15-radiator valve, 21-oil groove, 22-roller, felt under 23-, 24-enamel-covered wire, the upper felt of 25-, 26-felt pressure plate, 27-buncher.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As shown in Figure 1, the roller shaft type surface lubricant coating device for enamelled wires of the present invention, being particularly well-suited to make diameter is 0.07-1.0mm enamel-covered wire, including by heated for the solid lubricant melt element 1 being melted into liquid lubricant be used for uniformly being coated with the coating unit 2 of lubricant to the surface of enamel-covered wire.Wherein, melt element 1 includes adding heat pipe 11, aluminium sheet 12, solid lubricant supply 13 and supply line 14, and aluminium sheet 12 is connected with solid lubricant supply 13, adds heat pipe 11 and is connected with aluminium sheet 12；It is used for heated for the solid lubricant liquid lubricant that is melted into, and flows through the oil groove 21 to coating unit 2 by supply line 14.Coating unit 2 includes the oil groove 21 for storing liquid lubricant, it is placed in the roller 22 above oil groove 21, it is positioned at the lower felt 23 below enamel-covered wire 24, is positioned at the upper felt 25 above enamel-covered wire 24 and is close to the felt pressure plate 26 of felt 25, wherein, the lower half of roller 22 is immersed in the liquid lubricant of oil groove 21, lower felt 23 is close in the top of roller 22, roller 22 is rotated by being driven by buncher 27, for being used for uniformly being coated with lubricant to the surface of enamel-covered wire 24 for lubricant, upper felt 25 and lower felt 23 to felt (23,25).Wherein, solid lubricant is solid lubrication oil wax or solid lubrication fat, it is also possible to be other commercially available solid lubricants.Its operation principle is: after adding heat pipe 11 work, its heat is transferred to solid lubricant supply 13 by aluminium sheet 12, the solid lubricant of solid lubricant supply 13 is heated is melted into liquid lubricant, flow to the oil groove 21 of coating unit through supply line 14 and gathers.Roller 22 is rotated by buncher 27, takes up the liquid lubricant in oil groove 21, and liquid lubricant is adsorbed by the lower felt 23 above roller 22, permeates in upper felt 23 and lower felt 25, and is uniformly applied on enamel-covered wire 24.
In the present embodiment, supply line 14 and oil groove 21 are all located on aluminium sheet 12, and supply line 14 is integrated recessed pipeline on aluminium sheet 12, and oil groove 21 is integrated groove on aluminium sheet 12.Supply line 14 and oil groove 21 are shaped on aluminium sheet 12, have saved corresponding parts, reduced cost, it is simple to installation and removal；Simultaneously, oil groove 21, supply line 14 concentrate on aluminium sheet 12 one-body moldedly, ensure the transmission of heat, both lost, the energy efficient of heat had been avoided, it is beneficial to again and keeps the temperature constant of liquid lubricant in oil groove 21, thus avoiding the local solidification of lubricant to ensure the cleannes of lubricant, and ensure the uniformity of felt (23,25) coating liquid lubricant, and then ensure the properties of enamel-covered wire 24.Further, add heat pipe 11 and be connected to radiator valve 15, add heat pipe 11 and be positioned at the lower section of oil groove 21.Control to add heat pipe 11 by radiator valve 15, liquid lubricant in oil groove 21 is made to keep constant temperature, thus avoiding the local solidification of lubricant to ensure the cleannes of lubricant, and ensure the uniformity of felt (23,25) coating liquid lubricant, improve the surface flatness of enamel-covered wire, reduce the frictional force between enamel-covered wire and tooling device, high efficiency seriality, automatization's enamel-covered wire technique for coiling can be met.Further, lower felt 23 be connected below heat transfer plate (not shown), heat transfer plate is connected with aluminium sheet 12.Heat transfer plate below lower felt 23 contacts with heated aluminium sheet 12, the temperature of felt (23,25) also can rise accordingly, and close to the temperature of aluminium sheet 12, the temperature constant of liquid lubricant can be ensured further, and then make infiltration in lower felt liquid lubricant evenly, make the frictional force between lower felt and enamel-covered wire less, it is to avoid broken string in production process or viscous line simultaneously.
Above disclosed it is only the preferred embodiments of the present invention, certainly can not limit the interest field of the present invention, the equivalent variations therefore made according to the present patent application the scope of the claims with this, still belong to the scope that the present invention contains.
Claims (6)
1. a roller shaft type surface lubricant coating device for enamelled wires, it is characterized in that: include melt element: for being melted into liquid lubricant by heated for solid lubricant, and the oil groove of coating unit it is flow to by supply line, including adding heat pipe, aluminium sheet, solid lubricant supply and supply line, aluminium sheet is connected with solid lubricant supply, add heat pipe to be connected with aluminium sheet, supply line and oil groove are all located on aluminium sheet, supply line is integrated recessed pipeline on aluminium sheet, and oil groove is integrated groove on aluminium sheet；And coating unit: include the oil groove for storing liquid lubricant, it is placed in the roller above oil groove, it is positioned at the lower felt below enamel-covered wire, is positioned at the upper felt above enamel-covered wire and is close to the felt pressure plate of felt, wherein, the lower half of roller is immersed in the liquid lubricant of oil groove, lower felt is close in the top of roller, and roller is for being used for uniformly being coated with lubricant to the surface of enamel-covered wire for lubricant, upper felt and lower felt to felt；Lower felt be connected below heat transfer plate, heat transfer plate is connected with aluminium sheet；After heating pipe work, its heat is transferred to solid lubricant supply by aluminium sheet, and the solid lubricant of solid lubricant supply is heated is melted into liquid lubricant, flow to the oil groove of coating unit through supply line and gathers；Roller rotates the liquid lubricant taking up in oil groove, and liquid lubricant is adsorbed by the lower felt above roller, permeates in upper felt and lower felt, and is uniformly applied on enamel-covered wire.
2. roller shaft type surface lubricant coating device for enamelled wires according to claim 1, it is characterised in that: described solid lubricant is solid lubrication oil wax or solid lubrication fat.
3. roller shaft type surface lubricant coating device for enamelled wires according to claim 1, it is characterised in that: described in add heat pipe and be connected to radiator valve, add heat pipe and be positioned at the lower section of oil groove.
4. roller shaft type surface lubricant coating device for enamelled wires according to claim 1, it is characterised in that: described roller is driven by motor.
5. roller shaft type surface lubricant coating device for enamelled wires according to claim 4, it is characterised in that: described roller is driven by buncher.
6. a roller shaft type surface lubricant coating device for enamelled wires according to any one of claim 1 to 5 is the application in 0.07-1.0mm enamel-covered wire making diameter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410164909.0A CN103928197B (en) | 2014-04-23 | 2014-04-23 | Roller shaft type surface lubricant coating device for enamelled wires and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410164909.0A CN103928197B (en) | 2014-04-23 | 2014-04-23 | Roller shaft type surface lubricant coating device for enamelled wires and application thereof |
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| CN103928197A CN103928197A (en) | 2014-07-16 |
| CN103928197B true CN103928197B (en) | 2016-06-29 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183338B (en) * | 2014-09-02 | 2018-10-16 | 苏州市新的电工有限公司 | A kind of enameled wire oiling method |
| CN105513720B (en) * | 2015-12-18 | 2017-04-19 | 山东莱河电磁线有限公司 | Painting device uniform in painting |
| CN106373671A (en) * | 2016-10-27 | 2017-02-01 | 桐乡市汇丰电器压铸股份有限公司 | Liquid wax supply device in enameled wire production |
| CN107895659A (en) * | 2017-11-14 | 2018-04-10 | 绵阳巨源电子科技有限公司 | A kind of wire-management device for the production of rail locomotive capacitor |
| CN111768924B (en) * | 2020-07-16 | 2021-07-20 | 安徽渡江电缆集团有限公司 | Photovoltaic cable weatherability packing coating device |
| CN113926640B (en) * | 2021-08-13 | 2023-04-07 | 深圳市广南电子有限公司 | Enameled wire production coating equipment and method |
| CN114082584B (en) * | 2021-10-26 | 2022-09-30 | 江西博能上饶线材有限公司 | Enameled wire surface lubricant batch coating device |
| CN115041350A (en) * | 2022-07-04 | 2022-09-13 | 安徽聚芯智造科技股份有限公司 | Quantitative coating device for enameled wires |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5588211A (en) * | 1978-12-26 | 1980-07-03 | Sumitomo Electric Industries | Method of fabricating lubricated insulated wire |
| CN2308457Y (en) * | 1997-06-17 | 1999-02-24 | 长春东和机器有限公司 | Automatic oil coater |
| CN2881902Y (en) * | 2006-09-13 | 2007-03-21 | 陆晔 | Special felt varnishing device for enamel-covered wire |
| CN201239693Y (en) * | 2008-08-15 | 2009-05-20 | 佛山市威奇电工材料有限公司 | Lacquered wire surface lubrication coating apparatus |
| CN101527193B (en) * | 2009-04-24 | 2012-07-04 | 浙江长城电工科技股份有限公司 | Method for coating surface lubricant on lacquered wire and coating device thereof |
| CN102364610A (en) * | 2011-11-23 | 2012-02-29 | 苏州市新的电工有限公司 | Mechanism for coating oil on enameled wire by using liquid paraffin |
| CN103219099A (en) * | 2013-03-29 | 2013-07-24 | 诚信漆包线（惠州）有限公司 | Environmental-friendly type varnished wire lubricating oil coating device |
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Effective date of registration: 20190904 Address after: 313000 No. 818 Xinhui Road, Lianshi Town, Nanxun District, Huzhou City, Zhejiang Province Patentee after: Zhejiang three line Electrical Technology Co., Ltd. Address before: Lian Town Village 313000 Zhejiang province Huzhou Fengdeng District of Nanxun City Patentee before: HUZHOU SANXING CABLE CO., LTD. |
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Denomination of invention: Roller type surface lubricant coating device for enameled wire and its application Effective date of registration: 20200730 Granted publication date: 20160629 Pledgee: Nanxun Rural Commercial Bank of Zhejiang, Limited by Share Ltd. Pledgor: ZHEJIANG SANXING ELECTRICAL TECHNOLOGY Co.,Ltd. Registration number: Y2020330000568 |
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