CN210190667U - Bonding gasket for vacuum infusion molding of wind power blade - Google Patents
Bonding gasket for vacuum infusion molding of wind power blade Download PDFInfo
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- CN210190667U CN210190667U CN201920522064.6U CN201920522064U CN210190667U CN 210190667 U CN210190667 U CN 210190667U CN 201920522064 U CN201920522064 U CN 201920522064U CN 210190667 U CN210190667 U CN 210190667U
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- bonding
- pad
- adhesive
- vacuum infusion
- wind turbine
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Abstract
The utility model provides a wind-powered electricity generation blade is adhesive pad piece for vacuum infusion shaping fixes between mould and vacuum cavity, be equipped with at least one trompil in the adhesive pad piece, link up inside the adhesive pad piece about the trompil, the total area of trompil is less than the half of adhesive pad piece size, and the adhesive pad piece includes middle gasket, and middle gasket's upper and lower both sides are provided with first bonding glue film and second bonding glue film respectively, and first type ply sets up the upside at first bonding glue film, and the second sets up the downside at second bonding glue film from type ply. The utility model discloses play fixed mould and vacuum cavity's effect, satisfy and do not influence under the condition that vacuum cavity bled, make the system reach vacuum state's requirement fast, simple structure, convenient to use, the practicality is stronger.
Description
Technical Field
The utility model belongs to the technical field of the vacuum infusion shaping, specifically, relate to a wind-powered electricity generation blade bonding pad for vacuum infusion shaping.
Background
Vacuum infusion molding is a composite material molding process which is widely applied at present, and is mainly used for manufacturing thermoplastic composite material components with large size and complex appearance. The wind power blade manufacturing process is a vacuum infusion molding process. In vacuum infusion, a vacuum cavity needs to be laid, but the vacuum cavity and a mold cannot be directly bonded and fixed, so that the position is easy to deviate in the air exhaust process. Therefore, it is valuable to prepare a product which can fix the mold and the vacuum cavity and does not influence the vacuum pumping requirement of the system.
The Chinese patent with the patent application number of CN201711005441.0 discloses a vacuum infusion device for molding a wind power blade, which comprises a mold, a resin barrel, a curing agent quantitative output loop and a preformed body made of dry fiber reinforced materials laid in the curing agent quantitative output loop; the resin barrel is sequentially communicated with a resin quantitative circulating output loop and a mixer; the curing agent barrel is communicated with a curing agent quantitative output loop and the mixer in sequence; the mixer is communicated with a plurality of glue injection seats used for injecting glue for the preformed body, and the problems of poor process controllability, complex process, over-strong experience, easy mixing of bubbles and poor field environment of the existing pouring process are solved. This device does not solve the problem that the position between the vacuum cavity and the mould is liable to occur cheaply during evacuation.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem that exists among the above prior art, the utility model provides a wind-powered electricity generation blade is bonding pad piece for vacuum infusion shaping plays fixed mould and vacuum cavity's effect, satisfies under the condition that does not influence vacuum cavity and bleed, makes the system reach vacuum state's requirement fast, simple structure, convenient to use, and the practicality is stronger.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a wind-powered electricity generation blade is adhesive pad for vacuum infusion molding, fixes between mould and vacuum cavity, be equipped with at least one trompil in the adhesive pad, link up inside the adhesive pad about the trompil, the total area of trompil is less than the half of adhesive pad size, and the adhesive pad includes the intermediate bottom, and the upper and lower both sides of intermediate bottom are provided with first bonding glue film and second bonding glue film respectively, and first type paper layer setting is at the upside of first bonding glue film from, and the second sets up the downside at second bonding glue film from type paper layer.
Preferably, the opening is provided at a central position of the adhesive pad.
In any of the above schemes, the thickness ratio of the middle gasket to the adhesive glue layer and the release paper layer is preferably 8:1: 1. The adhesive layer here may be the first adhesive layer or the second adhesive layer. The release paper layer can be a first release paper layer or a second release paper layer.
In any of the above embodiments, the thickness of the adhesive pad is preferably in the range of 0.9 to 1.2 mm.
In any of the above embodiments, the opening is preferably provided at a non-central position of the adhesive pad.
In any of the above embodiments, preferably, the shape of the opening is at least one of an ellipse, a circle, a square, a rectangle, a diamond, and a triangle.
In any of the above embodiments, the plurality of openings are preferably arranged in parallel to each other and spaced apart from each other in the adhesive sheet.
In any of the above embodiments, preferably, the plurality of openings are arranged in the adhesive pad to intersect with each other. Therefore, when the thickness of the bonding gasket is thicker, the circulation of air is accelerated, and the vacuum state is quickly achieved.
In any of the above embodiments, preferably, the first adhesive layer and/or the second adhesive layer is prepared by using a PET substrate adhesive or a tissue paper substrate adhesive.
In any of the above embodiments, the first adhesive layer and the second adhesive layer preferably have the same thickness.
In any of the above embodiments, the first adhesive layer and the second adhesive layer preferably have different thicknesses.
In any of the above embodiments, preferably, the thickness range of the first adhesive layer or the second adhesive layer is 0.08 to 0.12 mm.
In any of the above embodiments, preferably, the intermediate gasket is an EPDM gasket.
In any of the above embodiments, the EPDM gasket preferably has a thickness ranging from 0.6 to 1 mm.
Preferably, in any of the above embodiments, the total area of the openings is one third of the size of the adhesive pad.
Preferably, in any of the above embodiments, the total area of the openings is one quarter of the size of the adhesive pad.
The utility model has the advantages that:
1. the utility model provides an adhesive gasket for vacuum infusion molding of a wind power blade, which can play a role in fixing a mold and a vacuum cavity and prevent the positions of the mold and the vacuum cavity from deviating;
2. under the condition of not influencing the air suction of the vacuum cavity, the system can quickly meet the requirement of a vacuum state;
3. simple structure, convenient to use, convenient operation, the practicality is stronger.
Drawings
Fig. 1 is a side view of a bonding pad for vacuum infusion molding of a wind turbine blade according to the present invention.
Fig. 2 is a top view of a preferred embodiment of the adhesive pad for vacuum infusion molding of the wind turbine blade shown in fig. 1.
FIG. 3 is a top view of another preferred embodiment of the adhesive pad for vacuum infusion molding of the wind turbine blade shown in FIG. 1.
Fig. 4 is a schematic structural diagram of a use state of the adhesive gasket for vacuum infusion molding of the wind turbine blade shown in fig. 1.
Wherein, the meaning of each reference number in the figure is as follows:
1-a first release paper layer, 2-a first adhesive glue layer, 3-a middle gasket, 4-a second adhesive glue layer, 5-a second release paper layer and 6-holes.
Detailed Description
In order to make the contents of the present invention more clearly understood, the following description and the accompanying drawings are further described and explained.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
An adhesive gasket for vacuum infusion molding of a wind turbine blade is fixed between a mold and a vacuum cavity as shown in fig. 4. The utility model discloses a wind-powered electricity generation blade vacuum is filled shaping with trompil bonding pad piece size and is not limited, can set up the size of a dimension as required. As shown in fig. 1-2, specifically, the thickness range of the bonding pad is 0.9-1.2 mm, and an opening 6 is provided in the bonding pad, where the opening 6 is intended to reserve a passage for evacuating the vacuum cavity, so as to meet the requirement of making the system reach a vacuum state quickly without affecting the evacuation of the vacuum cavity.
Inside the bonding pad is link up from top to bottom to trompil 6, and in order to guarantee bonding pad and mould and the vacuum cavity of this application between the bonding fixed from top to bottom, the area of trompil 6 can not be too big, otherwise bonds insecurely, leads to the position of mould and vacuum cavity both to take place the skew easily. In order to ensure that the bond between the bond pad and the mold and vacuum chamber is adequate, the total area of the openings 6 is therefore one-half the size of the bond pad.
The utility model discloses the technical scheme who further optimizes does, and bonding gasket includes middle gasket 3, and is concrete, and middle gasket 3 is the EPDM gasket, and middle gasket 3 can play the supporting role, can rely on EPDM's compliance simultaneously, can paste along with the shape on the mould.
The upper and lower both sides of middle gasket are provided with first bonding glue film 2 and second bonding glue film 4 respectively, and first from the upside of the setting of paper layer 1 at first bonding glue film 2, the second sets up the downside at second bonding glue film 4 from paper layer 5.
Specifically, the structure of the bonding pad is sequentially arranged from top to bottom as follows: the adhesive tape comprises a first release paper layer 1, a first adhesive glue layer 2, a middle gasket 3, a second adhesive glue layer 4 and a second release paper layer 5. The areas and the shapes of the five layers are the same. The first release paper layer 1 and the second release paper layer 5 can be directly removed when in use. The first adhesive layer 2 and the second adhesive layer 4 are respectively used for bonding the mold and the vacuum chamber, so that the positions of the two are relatively fixed.
The first adhesive layer 2 and the second adhesive layer 4 are prepared from PET substrate adhesive glue. The first adhesive glue layer 2 and the second adhesive glue layer 4 have the same thickness. The thickness range of the first adhesive layer or the second adhesive layer is 0.08-0.12 mm, and the optimal thickness is 0.1 mm.
In order to ensure the balance of the bonding force of the bonding pad, the opening 6 is provided at the center of the bonding pad. The utility model discloses trompil 6's shape is unrestricted, can be oval, circular, square, rectangle, rhombus, triangle-shaped, irregular shape such as opposite sex.
Example 2
The utility model provides a wind-powered electricity generation blade is adhesive pad for vacuum infusion molding, the structure with in embodiment 1 basically the same, the difference lies in be equipped with two trompils 6 in the adhesive pad, a plurality of trompils 6 are parallel to each other and the interval sets up in the adhesive pad, as shown in fig. 3.
Example 3
The utility model provides a wind-powered electricity generation blade is adhesive pad piece for vacuum infusion shaping, is the same basically with the structure in embodiment 1, the difference lies in: the openings 6 are provided at a non-central position of the adhesive pad, and the total area of the openings 6 is one third of the size of the adhesive pad, thereby preventing the area of the openings 6 from being too large and reducing the adhesive force of the adhesive pad and the mold and vacuum chamber.
Example 4
The utility model provides a wind-powered electricity generation blade is adhesive pad piece for vacuum infusion shaping, is the same basically with the structure in embodiment 1, the difference lies in: the first adhesive layer 2 and the second adhesive layer 4 are prepared by adopting tissue paper base material adhesive glue.
Example 5
The utility model provides a wind-powered electricity generation blade is adhesive pad piece for vacuum infusion shaping, is the same basically with the structure in embodiment 1, the difference lies in: the thicknesses of the first adhesive layer 2 and the second adhesive layer 4 are different, so that the adhesive force requirements of molds with different volumes and vacuum cavities can be met according to actual conditions.
It should be noted that the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a wind-powered electricity generation blade is adhesive pad for vacuum infusion shaping, fixes between mould and vacuum cavity, a serial communication port, be equipped with at least one trompil (6) in the adhesive pad, trompil (6) link up inside the adhesive pad from top to bottom, the total area of trompil (6) is less than the half of adhesive pad size, the adhesive pad includes middle gasket (3), the upper and lower both sides of middle gasket (3) are provided with first bonding glue film (2) and second bonding glue film (4) respectively, first type paper layer (1) that leaves sets up the upside at first bonding glue film (2), the second leaves the downside that paper layer (5) set up at second bonding glue film (4) from the type.
2. The bonding pad for vacuum infusion molding of wind turbine blades as claimed in claim 1, wherein the opening (6) is arranged at the center of the bonding pad.
3. The bonding pad for vacuum infusion molding of wind turbine blades as claimed in claim 1, wherein said opening (6) is provided at a non-central position of the bonding pad.
4. The bonding pad for vacuum infusion molding of wind turbine blades according to claim 3, wherein the shape of the opening (6) is at least one of oval, round, square, rectangle, diamond and triangle.
5. The bonding pad for vacuum infusion molding of wind turbine blades according to claim 4, wherein the plurality of openings (6) are arranged in the bonding pad in parallel and at intervals.
6. The bonding pad for vacuum infusion molding of wind turbine blades as claimed in claim 1, wherein the first bonding adhesive layer (2) and/or the second bonding adhesive layer (4) is prepared by using a PET substrate bonding adhesive or a tissue paper substrate bonding adhesive.
7. The bonding pad for vacuum infusion forming of wind turbine blade according to claim 6, wherein the thickness of the first bonding glue layer (2) and the second bonding glue layer (4) is the same.
8. The bonding pad for vacuum infusion forming of wind turbine blade according to claim 6, wherein the thicknesses of the first bonding glue layer (2) and the second bonding glue layer (4) are different.
9. The bonding pad for vacuum infusion molding of wind turbine blades as claimed in claim 1, wherein said middle pad (3) is an EPDM pad.
10. The bonding pad for vacuum infusion forming of wind turbine blade according to claim 5, wherein the total area of the openings (6) is one third of the size of the bonding pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920522064.6U CN210190667U (en) | 2019-04-17 | 2019-04-17 | Bonding gasket for vacuum infusion molding of wind power blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920522064.6U CN210190667U (en) | 2019-04-17 | 2019-04-17 | Bonding gasket for vacuum infusion molding of wind power blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210190667U true CN210190667U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920522064.6U Active CN210190667U (en) | 2019-04-17 | 2019-04-17 | Bonding gasket for vacuum infusion molding of wind power blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210190667U (en) |
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2019
- 2019-04-17 CN CN201920522064.6U patent/CN210190667U/en active Active
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