CN217414715U - Prepreg formula buoyancy piece preparation frock - Google Patents

Abstract

The utility model discloses a preimpregnation material formula buoyancy piece preparation frock, including the moulding frame mould that is used for restricting buoyancy block shape, cover in the bottom of moulding frame mould bottom surface is from the type membrane, cover in the top of moulding frame mould top surface is located from type membrane, cover on the moulding frame mould and with its sealed overcoat membrane, seted up on the sealed overcoat membrane with the inside intercommunication of moulding frame mould, be used for leading-in preimpregnation material's feed inlet to it, and with the inside intercommunication of moulding frame mould, be used for the vacuum port to its evacuation. So, through the shape restriction of moulding frame mould to the buoyancy piece, can realize confirming the shape of moulding frame mould according to the shape on equipment surface to the buoyancy piece of corresponding preparation corresponding shape compares in prior art, need not to carry on processes such as follow-up cutting, sculpture, can realize the preparation of buoyancy piece with high efficiency, low cost, improves the adaptability to the equipment surface of different shapes.

Description

Prepreg formula buoyancy piece preparation frock

Technical Field

The utility model relates to a buoyancy technical field, in particular to preimpregnation material formula buoyancy piece preparation frock.

Background

The solid buoyancy material is a compound which is obtained by filling an inorganic filling material into an organic polymer and curing the mixture under certain conditions. The solid buoyancy material is widely applied to multiple fields such as offshore platforms, marine petroleum pipeline systems, marine carrying operation equipment, underwater engineering test instruments and the like, and has the characteristics of low density, high strength, corrosion resistance, good processability, good impact resistance and the like.

The solid buoyancy material is mainly used for providing strong buoyancy, generally requires the material to have small density and high strength, and when the strength is high enough, the water absorption rate still keeps a low level under the condition of large deep sea pressure, so that the use requirement is met. However, the strength of the general material is reduced with the decrease of the density, and how to minimize the density and simultaneously maximize the strength is a difficult point to study.

Currently, solid buoyant materials are typically attached to equipment requiring buoyancy by fasteners such as bolts, rivets, etc. However, for the surface of the equipment with regular shape, the fastening connection mode is sufficient, but for the irregular-shaped profile, the fastening connection mode increases the processing difficulty, and the connection is not firm enough, so that the connection is easy to loosen and the buoyancy force is easy to lose.

As an improvement, in the prior art, a part of schemes adopts a pouring or injection mode to directly solidify the solid buoyancy material on equipment needing buoyancy, so that the requirement on the equipment and the operation difficulty are increased, and the production cost is usually higher. According to part of schemes, the large-size buoyancy block is manufactured firstly, then the buoyancy block is cut and carved according to the shape of the equipment, and finally the buoyancy block is fixed on the equipment in a fastener connection mode or a bonding mode.

Therefore, how to efficiently and inexpensively manufacture the buoyancy block and improve the adaptability to the surfaces of equipment with different shapes is a technical problem faced by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a preimpregnation material formula buoyancy piece preparation frock can realize the preparation of buoyancy piece high-efficiently, with low costs, improves the adaptability to the equipment surface of different shapes.

In order to solve the technical problem, the utility model provides a preimpregnation material formula buoyancy piece preparation frock, including the moulding frame mould that is used for restricting buoyancy block shape, cover in the bottom of moulding frame mould bottom surface is from the type membrane, cover locate from type membrane, cover the top of moulding frame mould top surface last and with its sealed overcoat membrane, seted up on the sealed overcoat membrane with the inside intercommunication of moulding frame mould, be used for leading-in preimpregnation material's feed inlet to it, and with the inside intercommunication of moulding frame mould, be used for the vacuum port to its evacuation.

Preferably, a lightweight filler for reducing the density of the buoyancy block is arranged in the shaping frame die.

Preferably, the lightweight fillers include plastic balls and glass balls.

Preferably, the diameter of the plastic ball is larger than that of the glass ball, the plastic balls are uniformly distributed in the shaping frame mold, and the glass balls are distributed in a gap of the plastic balls.

Preferably, the plastic ball and/or the glass ball is a hollow ball.

Preferably, the cross section of the shaping frame die is in a rectangular, circular or irregular plane pattern.

Preferably, the feed inlet and the vacuum port are respectively provided with a control valve for controlling the on-off state of the pipe orifice.

Preferably, a sealing gum for preventing air leakage is arranged at the opening position of the feed port and the vacuum port on the sealing mantle.

The utility model provides a preimpregnation material formula buoyancy piece preparation frock mainly includes moulding frame mould, bottom from type membrane, top from type membrane, sealed mantle, feed inlet and vacuum port. Wherein, moulding frame mould is the major structure of this frock, mainly used splendid attire preimpregnation material to utilize the shape structure of self to restrict the buoyancy block shape after the preimpregnation material shaping. The bottom covers at the bottom surface of moulding frame mould from the type membrane, and the top covers at the top surface of moulding frame mould from the type membrane, and both form sealed cavity structure with moulding frame mould jointly to splendid attire preimpregnation material. Meanwhile, the release film is subjected to release treatment in advance and is easy to release, so that the flow of the prepreg in the moulding frame mould can not be hindered, and the bottom release film and the top release film are easy to tear off from the buoyancy block due to low viscosity after the buoyancy block is moulded. The sealing overcoat film is integrally sleeved on the shaping frame die to integrally seal the shaping frame die. Meanwhile, a feed inlet and a vacuum port are formed in the sealing mantle. The feeding hole is communicated with the interior of the shaping frame die and is mainly used for guiding the prepreg into the interior of the shaping frame die to realize feeding; and the vacuum port also communicates with the inside of moulding frame mould (not communicate in the same region with the feed inlet), mainly used to moulding frame mould's inside evacuation to strengthen prepreg and flow and fill in moulding frame mould inside, prevent to leave over the bubble defect in the prepreg simultaneously. Therefore, the utility model provides a preimpregnation material formula buoyancy piece preparation frock through the shape restriction of moulding frame mould to the buoyancy piece, can realize confirming the shape of moulding frame mould according to the shape on equipment surface to correspond the buoyancy piece of the corresponding shape of preparation, compare in prior art, need not to carry out processes such as follow-up cutting, sculpture, can realize the preparation of buoyancy piece high-efficiently, with low costs, improve the adaptability to the equipment surface of different shapes.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a specific embodiment of the present invention.

Fig. 2 is a sectional view of fig. 1.

Wherein, in fig. 1-2:

a shaping frame mold-1, a bottom release film-2, a top release film-3, a sealing mantle-4 and a light filler-5;

a feed inlet-41, a vacuum port-42, a plastic ball-51, and a glass ball-52.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic diagram of an overall structure of an embodiment of the present invention, and fig. 2 is a sectional view of fig. 1.

The utility model provides an among the specific embodiment, it is main from type membrane 2, top from type membrane 3, sealed overcoat membrane 4, feed inlet 41 and vacuum mouth 42 to include moulding frame mould 1, bottom to soak the preparation frock of material formula buoyancy piece.

Wherein, moulding frame mould 1 is the major structure of this frock, mainly used splendid attire preimpregnation material to utilize the shape structure of self to restrict the buoyancy block shape after the preimpregnation material shaping.

The bottom covers at moulding frame mould 1's bottom surface from type membrane 2, and the top covers at moulding frame mould 1's top surface from type membrane 3, and both form sealed cavity structure with moulding frame mould 1 jointly to splendid attire preimpregnation material. Meanwhile, the release film is subjected to release treatment in advance and is easy to release, so that the flow of the prepreg in the moulding frame mould 1 cannot be hindered, and the bottom release film 2 and the top release film 3 are easy to tear off from the buoyancy block due to low viscosity after the buoyancy block is formed.

The sealing overcoat film 4 is integrally sleeved on the shaping frame mold 1 to integrally seal the shaping frame mold 1. Meanwhile, the sealed mantle 4 is provided with a feed port 41 and a vacuum port 42. The feeding hole 41 is communicated with the interior of the shaping frame die 1 and is mainly used for guiding the prepreg into the interior of the shaping frame die 1 to realize feeding; the vacuum port 42 is also communicated with the inside of the shaping frame mold 1 (not communicated with the feed port 41 in the same region), and is mainly used for vacuumizing the inside of the shaping frame mold 1, so as to enhance the flow and filling of the prepreg in the inside of the shaping frame mold 1, and simultaneously prevent the bubble defects from being left in the prepreg.

So, the preimpregnation material formula buoyancy piece preparation frock that this embodiment provided can realize confirming the shape of moulding frame mould 1 according to the shape on equipment surface through moulding frame mould 1 to the shape restriction of buoyancy piece to correspond the buoyancy piece of the corresponding shape of preparation, compare in prior art, need not to carry out processes such as follow-up cutting, sculpture, can realize the preparation of buoyancy piece with high efficiency, low cost, improve the adaptability to the equipment surface of different shapes.

In addition, the buoyancy piece processing back is accomplished to preimpregnation material formula buoyancy piece preparation frock that provides through this embodiment, for being convenient for preserve, can put into the freezer with the buoyancy piece and store, when needs use, can take out the buoyancy piece to the room temperature environment again, it is soft state after to wait to melt and freezes to tear down the top from type membrane 3 and bottom from type membrane 2 to paste the buoyancy piece and apply equipment on the surface, utilize viscidity to realize bonding fixed, the solidification is realized to rethread heating at last, with buoyancy piece and equipment integrated into one piece.

In order to improve the buoyancy effect, the light filler 5 is additionally arranged in the embodiment. Specifically, the light filler 5 is disposed in the shaping frame mold 1 and mainly made of a light material with a relatively low density, and after the prepreg is introduced into the shaping frame mold 1, the prepreg and the light filler can be tightly combined to form a composite material. Generally, the prepreg is usually a liquid material with a certain viscosity, and the lightweight filler 5 is usually a solid material, so that the prepreg can be filled in the gap of the lightweight filler 5.

Specifically, the lightweight filler 5 includes plastic balls 51 and glass balls 52. The plastic ball 51 may be made of epoxy resin or the like. The plastic balls 51 have a diameter larger than that of the glass balls 52, and the plastic balls 51 are uniformly distributed in the mold frame 1, the glass balls 52 are distributed in the larger gaps of the plastic balls 51, and the prepreg is filled in the smaller gaps between the glass balls 52 and is tightly bonded to the glass balls 52 and the plastic balls 51 by using the viscosity of the prepreg. Of course, since the top release film 3 needs to be tightly attached to the top surface of the buoyancy block, each glass ball 52 can be stacked and distributed according to the target thickness, and the part of the glass ball 52 protruding out of the target thickness is scraped off, so that the top surface and the bottom surface of the buoyancy block are both flat, and the top release film 3 and the bottom release film 2 can be conveniently pasted and covered.

Further, in this embodiment, each plastic ball 51 is a hollow ball, so that the density can be further reduced, and the buoyancy effect can be enhanced. Similarly, each glass sphere 52 may be a hollow sphere.

In an alternative embodiment of the shaping frame mold 1, since the shape of the shaping frame mold 1 is determined in advance according to the shape of the device surface, and the shape of the device surface is generally rectangular, circular or other irregular planar patterns, the cross-sectional shape of the shaping frame mold 1 may be rectangular, circular or other irregular planar patterns.

In addition, in order to facilitate control of the charging and filling progress of the prepreg in the shaping frame mold 1 and the vacuum degree in the shaping frame mold 1, control valves are provided in both the feed port 41 and the vacuum port 42 in the present embodiment. Specifically, the control valve may be an electric control valve, which can precisely control the opening of the valve so as to control the opening and closing states of the feeding port 41 and the vacuum port 42.

Further, considering that the sealing overcoat film 4 is integrally sleeved on the shaping frame mold 1 and needs to be kept in a vacuum state after the shaping frame mold 1 is vacuumized, the sealing overcoat film 4 is provided with the feed port 41 and the vacuum port 42, and in order to prevent the feed port 41 and the vacuum port 42 from being cracked at the opening positions to cause air leakage, the sealing adhesive is disposed at the opening positions of the feed port 41 and the vacuum port 42.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 invention. Thus, the present invention 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 (7)

1. The prepreg type buoyancy block manufacturing tool is characterized by comprising a shaping frame mold (1) for limiting the shape of a buoyancy block, a bottom release film (2) covering the bottom surface of the shaping frame mold (1), a top release film (3) covering the top surface of the shaping frame mold (1), and a sealing overcoat film (4) sleeved on the shaping frame mold (1) and sealing the shaping frame mold (1), wherein the sealing overcoat film (4) is provided with a feed inlet (41) communicated with the inside of the shaping frame mold (1) and used for leading prepreg into the shaping frame mold, and a vacuum port (42) communicated with the inside of the shaping frame mold (1) and used for vacuumizing the shaping frame mold; the shaping frame die (1) is used for containing prepreg;

and control valves for controlling the on-off state of the pipe orifices are arranged in the feeding port (41) and the vacuum port (42).

2. The tooling for manufacturing the prepreg type buoyancy block according to claim 1, wherein a lightweight filler (5) for reducing the density of the buoyancy block is arranged in the shaping frame mold (1).

3. The tooling for manufacturing the prepreg type buoyancy block according to claim 2, wherein the lightweight filler (5) comprises plastic balls (51) and glass balls (52).

4. The tooling for manufacturing the prepreg type buoyancy block according to claim 3, wherein the diameter of the plastic balls (51) is larger than that of the glass balls (52), the plastic balls (51) are uniformly distributed in the shaping frame mold (1), and the glass balls (52) are distributed in gaps of the plastic balls (51).

5. The tooling for manufacturing the prepreg type buoyancy block according to claim 4, wherein the plastic balls (51) and/or the glass balls (52) are hollow balls.

6. The tooling for manufacturing the prepreg type buoyancy block according to claim 1, wherein the cross section of the shaping frame mold (1) is rectangular, circular or irregular plane figure.

7. The tooling for manufacturing the prepreg type buoyancy block according to claim 1, wherein a sealant for preventing air leakage is arranged on the opening positions of the feed port (41) and the vacuum port (42) on the sealing overcoat film (4).

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