CN216039389U - Lightning protection metal mesh composite film and production equipment thereof - Google Patents
Lightning protection metal mesh composite film and production equipment thereof Download PDFInfo
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- CN216039389U CN216039389U CN202122459564.XU CN202122459564U CN216039389U CN 216039389 U CN216039389 U CN 216039389U CN 202122459564 U CN202122459564 U CN 202122459564U CN 216039389 U CN216039389 U CN 216039389U
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Abstract
A lightning protection metal mesh composite film and production equipment thereof belong to the technical field of lightning protection of wind power blades. The equipment comprises an unreeling machine, a roller press, a tape adhering machine and a reeling machine, wherein the metal net and the fiber film are sprayed with glue by a glue spraying machine before being adhered, then the metal net and the fiber film are tightly adhered by rolling and heating of the roller press, and the metal net and the fiber film are wound after being adhered with a tape on the upper surface by the tape adhering machine. This complex film adopts metal mesh and fibre cloth complex, can increase the whole toughness of metal mesh, increases anti deformability, is difficult to produce the fold when the metal mesh is laid, and easy to operate can not produce the damage of tearing when laying. Meanwhile, the composite film is used for tearing off the adhesive tape isolation paper when the metal mesh of the wind power blade is maintained, the adhesive tape isolation paper is quickly bonded, and the fiber cloth is soft and can better follow the shape of the surface of the blade when being laid; the fiber membrane resin has good wettability, can be maintained by resin infusion or hand lay-up resin, and the cured metal mesh is firmly bonded and is not easy to fall off.
Description
Technical Field
The utility model relates to the field of lightning protection of wind power blades, in particular to a lightning protection metal mesh composite film and production equipment thereof.
Background
With the development of wind power blades, the demand for high-power and large-length blades is increasingly high, and offshore wind power also begins to be developed, the environments of the offshore wind power blades and the large-length blades are high-altitude and multi-thunderstorm environments, the probability of lightning stroke is increased, the protection requirement for the wind power blades is also increasingly high, most of the blades begin to be protected in a mode of laying metal nets on the surfaces, the metal nets can be laid in a large area, the lightning receiving area is increased, lightning current can be conducted, and the most of lightning stroke protection of the existing carbon fiber wind power blades is achieved by adopting the metal nets.
The blade is bigger and bigger, and the mould of preparation blade is also bigger and bigger, because the metal mesh is thinner when directly laying the metal mesh book on the mould, the tensile strength that can bear is lower, tears the damage easily, also produces the fold easily, and lays the in-process people and can not directly step on the metal mesh and adjust the ply, lays the degree of difficulty and increases. Meanwhile, in the operation process of the blade, if the metal net is struck by lightning, the metal net is locally corroded, the metal net is seriously damaged in the whole width direction, the damaged metal net area needs to be repaired, the metal net is directly adhered to the blade in the existing maintenance process, but the composite material on the surface of the blade is formed and solidified, the hardness is high, the metal net is directly adhered to the surface of the blade, the shape is difficult to follow, the adhesion effect is poor, uniform adhesion is difficult to achieve, the blade is easy to fall off, and the maintenance is inconvenient.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a lightning protection metal mesh composite film and production equipment thereof, the produced lightning protection metal mesh composite film is formed by compounding a metal mesh and a fiber film, the composite film is safer when being laid, can be directly used for lightning damage maintenance of wind power blades, and has the advantages of simple manufacturing method and high manufacturing efficiency.
The technical scheme adopted by the utility model is as follows: the production equipment of the lightning-protection metal mesh composite film comprises an unreeling machine and a reeling machine, wherein the unreeling machine comprises a fiber film unreeling machine and a metal mesh unreeling machine which are arranged up and down, the fiber film unreeling machine is arranged on a fiber film unreeling roller by adopting a fiber film reel, and a fiber film reaches a fiber film transition roller after passing through a fiber film buffer roller; the metal net unreeling machine adopts a metal net roll to be placed on the fiber film unreeling roller, and the metal net passes through the metal net buffer roller and then reaches the metal net transition roller; the metal net and the fiber film jointly pass through the fiber film transition roller and the metal net transition roller, and reach the winding machine after passing through the roller press and the adhesive tape sticking machine.
The front of the metal mesh transition roller is provided with a glue sprayer, and a spray head of the glue sprayer acts on the upper surface of the metal mesh in front of the metal mesh transition roller.
An upper roller and a lower roller are arranged in the roller press, and the metal net and the fiber film jointly penetrate between the two rollers; after the metal mesh and the fiber film reach the platform, the unreeling device sticks the adhesive tape to the upper surface of the metal mesh.
And the metal mesh composite film in the winding machine sequentially passes through the winding transition roller and the winding buffer roller and then reaches the winding shaft.
The fiber film transition roller and the metal mesh transition roller are arranged on the same vertical line, and the fiber film transition roller and the metal mesh transition roller rotate in opposite directions. An adjustable gap is formed between an upper roller and a lower roller in the roller press, and a pressure sensor and a heater are arranged on the upper roller and the lower roller. A plurality of sets of unreeling devices and adhesive tapes are arranged in the adhesive tape sticking machine. And a gauge for recording the winding length is arranged on the winding machine.
The metal mesh unreeling machine comprises a metal mesh unreeling shaft for placing a metal mesh and a metal mesh buffer roller and a metal mesh transition roller for conveying the metal mesh, the fiber film unreeling machine comprises a fiber film unreeling shaft for placing a fiber film and a fiber film transition roller for conveying the fiber film, the metal mesh buffer roller and the fiber film buffer roller can enable the size of the metal mesh and the fiber film cloth roll on the unreeling shaft to be unlimited, the metal mesh transition roller and the fiber film transition roller are perpendicular to each other, and the metal mesh unreeling shaft and the fiber film transition roller are matched to rotate.
The shower nozzle setting of spouting the machine of glue is in metal mesh transition roller department, can make the glue film layer even spraying when metal mesh gets into the transition roller on the metal mesh, and the glue film layer is the quick setting bonding glue.
The roller press comprises an upper roller and a lower roller, the upper roller and the lower roller are matched with each other to rotate, the distance between the upper roller and the lower roller can be adjusted, the roller press is provided with a pressure sensor and a heating system, and the metal net and the fiber film can be tightly bonded together by applying pressure and heating through the roller press.
The sticky tape is fibre double-sided sticky tape, and the unreeling device can tear the one side barrier paper of double-sided sticky tape fast and bond the sticky tape on the fibre cloth surface, and the sticky tape can set up the multichannel, and the platform plays the supporting role.
The rolling transition roller and the rolling buffer roller are used for conveying a metal mesh composite film, the rolling shaft can carry out quick rolling treatment on the metal mesh composite film, the rolling size is not limited, a metering device is arranged on the rolling machine, and the rolling length is recorded.
The utility model has the following beneficial effects: the equipment comprises an unreeling machine, a rolling machine, a tape sticking machine and a reeling machine, wherein the metal mesh and the fiber film are unreeled through different unreeling machines respectively, and glue is sprayed by a glue spraying machine before the metal mesh and the fiber film are attached to each other; then, the two are tightly attached through rolling and heating of a rolling machine; and finally, winding after the adhesive tape is pasted on the upper surface of the metal mesh composite film through an adhesive tape pasting machine, and finishing the manufacture of the metal mesh composite film. This complex film adopts metal mesh and fibre cloth complex, can increase the whole toughness of metal mesh, increases anti deformability, is difficult to produce the fold when the metal mesh is laid, and easy to operate can not produce the damage of tearing when laying. Simultaneously, the complex film tears sticky tape barrier paper when being used for the metal mesh maintenance of wind-powered electricity generation blade to remove, bonds fast, and the fiber cloth is softer, can follow the shape with the blade surface better when laying, and the fiber membrane resin infiltration nature is good, and the accessible is filled resin or is pasted the resin by hand and is maintained, and the metal mesh bonding is firm after the solidification, is difficult for droing. The composite film is safer to lay, is not easy to generate wrinkles and tear damage, can also be directly used for lightning damage maintenance of the wind power blade, and is simple in manufacturing method and high in manufacturing efficiency.
Drawings
Fig. 1 is a schematic view of a production apparatus for a lightning protection metal mesh composite film.
Fig. 2 is a schematic structural diagram of a lightning protection metal mesh composite film.
Wherein: 1. a metal mesh; 2. a fibrous membrane; 3. the device comprises a metal net unreeling machine 3a, a metal net unreeling shaft 3b, a metal net buffer roller 3c and a metal net transition roller; 4. a fiber film unreeling machine 4a, a fiber film unreeling roller 4b, a fiber film buffer roller 4c and a fiber film transition roller; 5. a glue sprayer, 5a, a glue solution layer, 5b and a spray head; 6. a roller press 6a, an upper roller 6b and a lower roller; 7. a tape sticking machine 7a, a tape 7b, an unreeling device 7c and a platform; 8. the winding machine comprises a winding machine 8a, a winding transition roller 8b, a winding buffer roller 8c and a winding shaft; 9. a metal mesh composite membrane.
Detailed Description
The present invention will be described in further detail with reference to the drawings and specific examples, but the present invention is not limited thereto.
Fig. 1 shows a production apparatus of a lightning protection metal mesh composite film, which comprises an unreeling machine and a reeling machine 8, wherein the unreeling machine comprises a fiber film unreeling machine 4 and a metal mesh unreeling machine 3 which are arranged up and down, the fiber film unreeling machine 4 adopts a fiber film roll to be arranged on a metal mesh unreeling roller 4a, and a fiber film passes through a fiber film buffer roller 4b and then reaches a fiber film transition roller 4 c; the metal net unreeling machine 3 adopts a metal net roll to be placed on the fiber film unreeling roller 4a, and the metal net passes through the metal net buffer roller 3b and then reaches the metal net transition roller 3 c; the metal net and the fiber film jointly pass through the fiber film transition roller 4c and the metal net transition roller 3c, pass through the roller press 6 and the adhesive tape sticking machine 7 and then reach the winding machine 8;
a glue sprayer 5 is arranged in front of the metal mesh transition roller 3c, and a spray head 5b of the glue sprayer 5 acts on the upper surface of the fiber membrane in front of the metal mesh transition roller 3 c.
An upper roller 6a and a lower roller 6b are arranged in the roller press 6, and the metal net and the fiber film jointly penetrate between the two rollers; after the adhesive tape sticking machine 7 reaches the platform 7c by adopting the metal mesh and the fiber film, the unreeling device 7b sticks the adhesive tape 7a to the upper surface of the metal mesh; the metal mesh composite film 9 in the winding machine 8 sequentially passes through a winding transition roller 8a and a winding buffer roller 8b and then reaches a winding shaft 8 c.
The fiber film transition roller 4c and the metal mesh transition roller 3c are arranged on the same vertical line, and the fiber film transition roller 4c and the metal mesh transition roller 3c rotate oppositely. An adjustable gap is formed between an upper roller 6a and a lower roller 6b in the roller press 6, and a pressure sensor and a heater are arranged on the upper roller 6a and the lower roller 6 b.
The adhesive tape sticking machine 7 is internally provided with 1-5 sets of unreelers 7b and adhesive tapes 7 a. The winding machine 8 is provided with a gauge for recording the winding length. The metal net is a copper net, an aluminum net, a stainless steel net or a nickel net which are integrally formed and have a rhombic mesh structure. The fiber membrane is a glass fiber membrane or a carbon fiber membrane. The width of the metal net is equal to that of the fiber film.
The structural schematic diagram of the lightning protection metal mesh composite film is shown in fig. 2, and the lightning protection metal mesh composite film comprises a metal mesh 1, a fiber film 2, a glue solution layer 5a and a tape 7 a.
The metal net 1 is an integrally formed metal net with a rhombic mesh structure, and the material can be any one of copper, aluminum, stainless steel and nickel; the fiber membrane 2 is membrane cloth woven by fiber yarns, and the material of the fiber membrane can be any one of glass fiber and carbon fiber; the glue layer 5a is fast curing adhesive glue; the tape 7a is a fiber double-sided tape.
When the technical scheme is adopted for working, the metal net 1 and the fiber film 2 are respectively placed on the corresponding metal net unreeling machine 3 and the corresponding fiber film unreeling machine 4, sequentially pass through the glue spraying machine 5, the rolling machine 6 and the tape adhering machine 7, and finally, the coiled metal net composite film 9 can be obtained on the reeling machine 8, wherein the metal net 1 and the fiber film 2 are equal in width.
The metal net unreeling machine 3 comprises a metal net unreeling shaft 3a for placing a metal net, a metal net buffer roller 3b for conveying the metal net and a metal net transition roller 3c, the fiber film unreeling machine 4 comprises a fiber film unreeling shaft 4a for placing a fiber film, a fiber film buffer roller 4b for conveying the fiber film and a fiber film transition roller 4c, the metal net buffer roller 3b and the fiber film buffer roller 4b enable the size of the metal net 1 and the fiber film 2 cloth roll on the unreeling shaft to be unlimited, the metal net transition roller 3c and the fiber film transition roller 4c are perpendicular to each other and rotate in a matched mode.
The spray head 5b of the glue sprayer 5 is arranged at the metal mesh transition roller 3c, so that glue can be uniformly sprayed on the metal mesh when the fiber membrane 1 enters the metal mesh transition roller 3c, and the glue layer 5a is rapid-curing adhesive glue.
The roller press 6 comprises an upper roller 6a and a lower roller 6b, the upper roller 6a and the lower roller 6b are matched with each other to rotate, the distance between the upper roller and the lower roller can be adjusted, the roller press 6 is provided with a pressure sensor and a heating system, and the metal net 1 and the fiber film 2 can be tightly bonded together through pressing and heating of the roller press.
Sealing-tape machine 7 includes sticky tape 7a, unreel ware 7b and platform 7c, and unreel ware 7b can tear the one side barrier paper of double-sided sticky tape fast and bond the sticky tape on the fibre cloth surface, and the sticky tape can set up the multichannel, and the platform plays the effect of supporting metal mesh complex film 9.
The rolling machine 8 comprises a transition roller 8a, a buffer roller 8b and a rolling shaft 8c, the transition roller 8a and the buffer roller 8b are used for conveying a metal mesh composite film 9, the rolling shaft 8c can carry out quick rolling processing on the metal mesh composite film 9, the rolling size is not limited, a meter is arranged on the rolling machine 9, and the rolling length is recorded.
The metal mesh composite film after being manufactured can be directly laid on a blade mould, the composite film is good in toughness and cannot be broken or torn, fiber cloth for the blade is laid on the composite film after the composite film is laid, and finally the fiber cloth and the fiber cloth are filled in vacuum together, and can be firmly adhered to the outer surface of the blade after being demoulded. Simultaneously, the metal mesh complex film can be used to the metal mesh maintenance of wind-powered electricity generation blade, tears sticky tape barrier paper during the maintenance, bonds fast, and the fiber cloth is softer, can follow the shape with the blade surface better during laying, and the fiber film resin infiltration nature is good, and the accessible is filled resin or is pasted the resin by hand and is maintained, and the metal mesh bonding is firm after the solidification, is difficult for droing, and maintenance effect is good.
The device of the present invention may have other forms than the above-described embodiments, and it should be understood that any simple modification, equivalent change and modification made to the above-described embodiments according to the technical spirit of the present invention fall within the scope of the present invention.
Claims (9)
1. The utility model provides a production facility of lightning protection metal mesh complex film, it includes unreel machine and rolling machine (8), its characterized in that: the unreeling machine comprises a fiber film unreeling machine (4) and a metal net unreeling machine (3), wherein the fiber film unreeling machine (4) is arranged on a fiber film unreeling roller (4 a) in a fiber film reeling mode, and the fiber film (2) reaches a fiber film transition roller (4 c) after passing through a fiber film buffer roller (4 b); the metal net unreeling machine (3) adopts a metal net roll to be placed on the fiber film unreeling roller (4 a), and the metal net (1) passes through the metal net buffer roller (3 b) and then reaches the metal net transition roller (3 c); the metal net (1) and the fiber film (2) jointly pass through the fiber film transition roller (4 c) and the metal net transition roller (3 c), pass through the roller press (6) and the adhesive tape sticking machine (7) and then reach the winding machine (8);
a glue sprayer (5) is arranged in front of the metal mesh transition roller (3 c), and a spray head (5 b) of the glue sprayer (5) acts on the upper surface of the metal mesh (1) in front of the metal mesh transition roller (3 c);
an upper roller (6 a) and a lower roller (6 b) are arranged in the roller press (6), and the metal net and the fiber film jointly penetrate between the two rollers;
after the adhesive tape sticking machine (7) reaches the platform (7 c) by adopting the metal net (1) and the fiber film (2), the unreeling device (7 b) sticks the adhesive tape (7 a) to the upper surface of the metal net;
and a metal mesh composite film (9) in the winding machine (8) sequentially passes through a winding transition roller (8 a) and a winding buffer roller (8 b) and then reaches a winding shaft (8 c).
2. The production equipment of the lightning protection metal mesh composite film according to claim 1, characterized in that: the fiber film transition roller (4 c) and the metal mesh transition roller (3 c) are arranged on the same vertical line, and the fiber film transition roller (4 c) and the metal mesh transition roller (3 c) rotate in opposite directions.
3. The production equipment of the lightning protection metal mesh composite film according to claim 1, characterized in that: an adjustable gap is formed between an upper roller (6 a) and a lower roller (6 b) in the roller press (6), and a pressure sensor and a heater are arranged on the upper roller (6 a) and the lower roller (6 b).
4. The production equipment of the lightning protection metal mesh composite film according to claim 1, characterized in that: a plurality of sets of unreelers (7 b) and adhesive tapes (7 a) are arranged in the adhesive tape sticking machine (7).
5. The production equipment of the lightning protection metal mesh composite film according to claim 1, characterized in that: and a gauge for recording the winding length is arranged on the winding machine (8).
6. The production equipment of the lightning protection metal mesh composite film according to claim 1, characterized in that: the metal net (1) is a copper net, an aluminum net, a stainless steel net or a nickel net which are integrally formed and have a diamond mesh structure.
7. The production equipment of the lightning protection metal mesh composite film according to claim 1, characterized in that: the fiber membrane (2) is a glass fiber membrane or a carbon fiber membrane.
8. The production equipment of the lightning protection metal mesh composite film according to claim 1, characterized in that: the metal net (1) and the fiber film (2) have the same width.
9. The metal mesh composite membrane produced by the production equipment of the lightning protection metal mesh composite membrane according to claim 1 is characterized in that: the metal mesh composite membrane (9) comprises a metal mesh (1), a glue solution layer (5 a) and a fiber membrane (2) from bottom to top, and a plurality of adhesive tapes are arranged on the outer surface of the fiber membrane (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122459564.XU CN216039389U (en) | 2021-10-13 | 2021-10-13 | Lightning protection metal mesh composite film and production equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122459564.XU CN216039389U (en) | 2021-10-13 | 2021-10-13 | Lightning protection metal mesh composite film and production equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216039389U true CN216039389U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122459564.XU Active CN216039389U (en) | 2021-10-13 | 2021-10-13 | Lightning protection metal mesh composite film and production equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216039389U (en) |
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2021
- 2021-10-13 CN CN202122459564.XU patent/CN216039389U/en active Active
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