CN213137877U - Vacuum compaction equipment for composite material - Google Patents

Vacuum compaction equipment for composite material Download PDF

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Publication number
CN213137877U
CN213137877U CN202021458843.3U CN202021458843U CN213137877U CN 213137877 U CN213137877 U CN 213137877U CN 202021458843 U CN202021458843 U CN 202021458843U CN 213137877 U CN213137877 U CN 213137877U
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compaction
vacuum
frame body
paving
platform
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CN202021458843.3U
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Inventor
王伦
李颖
薛昊飞
杨帅帅
沈玥
陈梦云
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Shanghai Aircraft Manufacturing Co Ltd
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Shanghai Aircraft Manufacturing Co Ltd
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Abstract

The utility model relates to a combined material preparation technical field discloses a combined material vacuum compaction equipment. The composite material vacuum compaction equipment comprises a paving and pasting platform, a compaction frame body, a flexible film and a vacuum pump, wherein one end of the compaction frame body is hinged to one end of the paving and pasting platform, and a through hole is formed in the center of the compaction frame body; the flexible film is hermetically arranged on one side, away from the paving and pasting platform, of the compaction frame body, and the through hole is plugged; the compaction frame body can be in sealed pressure joint with the paving and pasting platform, and a compaction chamber is formed by the through hole between the flexible film and the paving and pasting platform; the side wall of the compaction frame body is further provided with a vacuumizing hole, one end of the vacuumizing hole is communicated with the compaction chamber, and the other end of the vacuumizing hole is communicated with the vacuum pump. The utility model discloses in combined material production process, do not need many times dismouting flexile membrane, improved the work efficiency of combined material production, improved the life of flexile membrane, reduce manufacturing cost.

Description

Vacuum compaction equipment for composite material
Technical Field
The utility model relates to a combined material prepares technical field, especially relates to a combined material vacuum compaction equipment.
Background
The composite material laminated structure comprises a plurality of layers of prepreg, each layer of prepreg is subjected to the following steps in the manufacturing process, a composite material coating is placed on a platform, then the prepreg and a vacuum bag are placed on the composite material coating one by one, the vacuum bag and a compaction platform are assembled in a sealing mode by adopting an adhesive sealing adhesive tape, a vacuum pipeline is formed by connecting a vacuum nozzle on the vacuum bag, the vacuum bag is vacuumized, so that the prepreg is compacted by the vacuum bag, and air bubbles between the laminated layers are exhausted; and then removing the vacuum bag, laying new prepreg, and repeating the steps until the laying of the multiple layers of prepreg is finished.
However, in the vacuum compaction process, the vacuum bag needs to be disassembled and assembled every time one layer of prepreg is laid, and the vacuum bag is repeatedly disassembled and assembled, so that the automation degree is low, and the time is consumed. After the vacuum bag is disassembled and assembled for several times, the adhesive sealing rubber strip and the vacuum bag are easy to damage and lose efficacy, and the vacuum nozzle penetrates through the vacuum bag for many times, so that the vacuum bag is easy to leak, and the use is influenced.
Based on this, a vacuum composite material compacting device is needed to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
Based on above, an object of the utility model is to provide a combined material vacuum compaction equipment, in the combined material production process, do not need the dismouting flexile membrane many times, improved the work efficiency of combined material production, improved the life of flexile membrane, reduction in production cost.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a composite material vacuum compaction apparatus comprises
Paving a platform;
one end of the compaction frame body is hinged to one end of the paving and pasting platform, and a through hole is formed in the center of the compaction frame body;
the flexible film is hermetically arranged on one side, away from the paving and pasting platform, of the compaction frame body and blocks the through hole;
the compaction frame body can be in sealed pressure joint with the paving and pasting platform, and a compaction chamber is formed by the through hole between the flexible film and the paving and pasting platform;
and the side wall of the compaction frame body is also provided with a vacuumizing hole, one end of the vacuumizing hole is communicated with the compaction chamber, and the other end of the vacuumizing hole is communicated with the vacuum pump.
As a preferred technical scheme of the composite material vacuum compaction equipment, an upper airtight interlayer is arranged on the bottom surface of the compaction frame body, a lower airtight interlayer matched with the upper airtight interlayer is arranged on the top surface of the paving platform, and the upper airtight interlayer is matched with the lower airtight interlayer so as to seal the compaction frame body and the paving platform.
As a preferred technical scheme of the composite material vacuum compaction equipment, a handle is arranged on the compaction frame body.
As a preferred technical scheme of the composite material vacuum compaction equipment, a spring is arranged between the compaction frame body and the paving platform;
the spring is arranged on the compaction frame body; or
The spring is installed on the paving platform.
As a preferred technical scheme of the composite material vacuum compaction equipment, the composite material vacuum compaction equipment further comprises a vacuum joint which is arranged at one end, far away from the compaction chamber, of the vacuumizing hole, and the vacuum pump is communicated with the vacuumizing hole through the vacuum joint.
As a preferred technical scheme of the composite material vacuum compaction equipment, the vacuumizing holes are multiple and are uniformly distributed along the circumferential direction of the compaction frame body.
As a preferable technical scheme of the composite material vacuum compacting equipment, an opening of one end of the vacuumizing hole, which is far away from the compacting chamber, is positioned on the outer side wall of the compacting frame body; or
The opening of one end of the vacuumizing hole, which is far away from the compaction chamber, is positioned above the compaction frame body.
As a preferred technical scheme of the composite material vacuum compaction equipment, the composite material vacuum compaction equipment further comprises an adhesive member arranged at the top of the compaction frame body, and the flexible membrane is hermetically mounted on the compaction frame body through the adhesive member.
As a preferred technical scheme of the composite material vacuum compaction equipment, the adhesive piece is a putty strip or an adhesive.
As a preferred technical solution of the composite material vacuum compacting apparatus, the flexible membrane is a vacuum bag.
The utility model has the advantages that:
the method comprises the following steps that prepreg is paved on a paving platform, a flexible film is hermetically arranged at one end, far away from the paving platform, of a compaction frame body, when the compaction frame body is pressed on the paving platform, one end of a through hole of the compaction frame body is plugged by the flexible film, the other end of the through hole is plugged by the paving platform, and a compaction chamber is formed by the through hole between the flexible film and the paving platform; the vacuum pump vacuumizes the compaction chamber through a vacuumizing hole in the compaction frame body, so that the flexible film compacts the prepreg. When the flexible film is required to be separated from the paving and pasting platform, the compaction frame body is only required to be separated from the paving and pasting platform, the flexible film is not required to be disassembled and assembled, the working efficiency of composite material production is improved, the vacuum bag is not penetrated through by the vacuum nozzle for multiple times, the service life of the flexible film is prolonged, and the production cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a composite material vacuum compaction apparatus according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a composite vacuum compaction apparatus according to an embodiment of the present invention.
The figures are labeled as follows:
100. a composite material;
1. paving a platform; 2. compacting the frame body; 21. a through hole; 22. vacuumizing holes; 3. a flexible film; 4. an airtight interlayer is arranged; 5. a lower airtight interlayer; 6. a handle; 7. an adhesive member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
In the prior art, in the vacuum compaction process, the vacuum bag needs to be disassembled and assembled when one layer of prepreg is laid, the vacuum bag is repeatedly disassembled and assembled, the automation degree is low, and the time is consumed. After the vacuum bag is disassembled and assembled for several times, the adhesive sealing rubber strip and the vacuum bag are easy to damage and lose efficacy, and the vacuum nozzle penetrates through the vacuum bag for many times, so that the vacuum bag is easy to leak, and the use is influenced.
In order to solve the above problem, as shown in fig. 1 and 2, the utility model provides a composite material vacuum compaction equipment, the device is including paving platform 1, compaction framework 2, flexible membrane 3, vacuum pump and vacuum joint.
Specifically, one end of the compacting frame body 2 is hinged to one end of the paving platform 1, the compacting frame body 2 can relatively rotate relative to the hinged part, and the compacting frame body 2 can be in sealing pressure joint with the paving platform 1; the center of the compaction frame body 2 is provided with a through hole 21, and the flexible film 3 is hermetically arranged at one end, far away from the paving and pasting platform 1, of the compaction frame body 2. When the compaction framework 2 is pressed on the paving and pasting platform 1, one end of the through hole 21 is plugged by the flexible film 3, the other end of the through hole 21 is plugged by the paving and pasting platform 1, and at the moment, the flexible film 3, the paving and pasting platform 1 and the inner wall of the through hole 21 jointly form a compaction chamber. The lateral wall of compaction framework 2 still is provided with evacuation hole 22, and evacuation hole 22 one end communicates in the compaction cavity, and vacuum joint is installed to the other end, and vacuum joint welds on evacuation hole 22, and the vacuum pump passes through vacuum joint and evacuation hole 22 intercommunication, and the vacuum pump can carry out evacuation processing to the compaction cavity simultaneously. Preferably, the flexible membrane 3 is selected to be a vacuum bag.
During the in-service use, lay the preimpregnation material on paving and pasting platform 1, the compaction framework 2 crimping is in paving and pasting platform 1, and the vacuum pump is through the evacuation hole 22 on the compaction framework 2 to the compaction cavity evacuation, makes flexible membrane 3 carry out the compaction to the preimpregnation material. After the compaction is finished, the flexible film 3 needs to be separated from the paving platform 1, the compaction frame body 2 and the paving platform 1 are only required to be separated, the flexible film 3 does not need to be disassembled and assembled, the working efficiency of the composite material 100 production is improved, the vacuum bag is not punctured for many times by the vacuum nozzle, the service life of the flexible film 3 is prolonged, and the production cost is reduced.
More specifically, the compacting frame 2 is hermetically pressed on the placement platform 1 through a sealing structure. In this embodiment, the sealing structure includes an upper airtight interlayer 4 and a lower airtight interlayer 5, the upper airtight interlayer 4 is disposed on the bottom surface of the compacting frame 2, the lower airtight interlayer 5 is disposed on the top surface of the paving platform 1 and is matched with the upper airtight interlayer 4, one of the upper airtight interlayer 4 and the lower airtight interlayer 5 is provided with a groove, the other one is provided with a boss, the boss is matched with the groove, and a sealing rubber pad is disposed in the groove, when the compacting frame 2 is pressed on the paving platform 1, the boss abuts against the sealing rubber pad in the groove, so as to seal between the compacting frame 2 and the paving platform 1. In other embodiments, the sealing structure may also be a sealing ring structure, so as to seal between the compacting frame body 2 and the paving platform 1.
Preferably, a handle 6 is welded and installed on one side, far away from the hinge joint, of the compacting frame body 2, and an operator can rotate the compacting frame body 2 around the hinge joint through the handle 6, so that the compacting frame body 2 is separated from the paving platform 1. Further preferably, one of the compaction framework 2 and the paving platform 1 is provided with a spring, the other is provided with a limiting hole matched with the position of the spring, the spring is located on one side away from the hinged part, when an operator separates the compaction framework 2 from the paving platform 1, the spring provides assistance force, the use experience is optimized, the spring is compressed in the limiting hole, no gap is generated between the compaction framework 2 and the paving platform 1, and the sealing between the compaction framework 2 and the paving platform 1 is not influenced.
Preferably, the evacuation holes 22 are plural and arranged uniformly in the circumferential direction along the side wall of the compacting frame 2. When the vacuum pump vacuumizes the compaction chamber through the vacuum joint and the vacuumizing hole 22, the pressure in the compaction chamber is uniformly distributed, and the compaction effect of the flexible film 3 on the prepreg is improved. The opening that evacuation hole 22 is close to compaction chamber one end is located the lateral wall of through-hole 21, and the opening of the other end is located compaction framework 2 lateral wall, and/or the opening that evacuation hole 22 kept away from compaction chamber one end is located the compaction framework 2 roof, and the opening position that evacuation hole 22 kept away from compaction chamber one end can be adjusted according to in-service use and space demand.
Further specifically, in this embodiment, the composite material vacuum compacting apparatus further includes an adhesive member 7, the adhesive member 7 is adhered to the top of the compacting frame 2, and the flexible film 3 is hermetically mounted on the compacting frame 2 through the adhesive member 7, so that on one hand, the flexible film 3 is fixed on the compacting frame 2, and on the other hand, the flexible film 3 and the compacting frame 2 are sealed. The adhesive member 7 may be a putty strip or an adhesive.
In this embodiment, the flexible membrane 3 material may be replaced if it reaches the plastic deformation limit or is damaged. If the operating surface, the upper airtight interlayer 4 and the lower airtight interlayer 5 on the paving platform 1 are damaged by external force to generate cracks, the operation surface, the upper airtight interlayer 4 and the lower airtight interlayer 5 can be replaced, and the operability of the equipment is improved.
It should be noted that, in this embodiment, the operation process of the composite material vacuum compacting apparatus is as follows:
the method comprises the following steps: adhering an adhesive member 7 on the top of the compacting frame body 2, covering the flexible film 3 above the through hole 21 of the compacting frame body 2, and sealing and fixing the flexible film on the compacting frame body 2 through the adhesive member 7;
step two: separating the compaction frame body 2 from the paving and pasting platform 1 through a handle 6, paving and pasting a composite material 100 floating layer and a prepreg on the paving and pasting platform 1, then sealing and pressing the compaction frame body 2 on the paving and pasting platform 1 to enable the compaction frame body 2 to be tightly attached to the paving and pasting platform 1, wherein an upper airtight interlayer 4 and a lower airtight interlayer 5 between the compaction frame body 2 and the paving and pasting platform 1 are in a sealed state, and a compaction chamber is in a sealed state;
step three: the vacuum pump vacuumizes the compaction chamber, and the flexible film 3 is gradually tightened downwards and attached to the prepreg. The vacuum pressure in the compaction chamber gives pressure to the composite material 100 towards the paving platform 1, and the gaps between the prepreg and the composite material 100 floating layer are compacted to achieve the pre-compaction purpose;
step four: after the vacuum compaction is completed, the vacuum pump is switched off. And repeating the work of the second step to the third step until the multiple layers of prepreg of the composite material 100 are completely paved.
In the production process of the composite material 100, the flexible film 3 does not need to be disassembled and assembled for many times, so that the working efficiency of the production of the composite material 100 is improved, the service life of the flexible film 3 is prolonged, and the production cost is reduced.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A composite material vacuum compaction device is characterized by comprising
A paving platform (1);
one end of the compaction frame body (2) is hinged to one end of the paving and pasting platform (1), and a through hole (21) is formed in the center of the compaction frame body (2);
the flexible film (3) is hermetically arranged on one side, away from the paving and pasting platform (1), of the compaction frame body (2) and blocks the through hole (21);
the compaction frame body (2) can be in sealed pressure joint with the paving platform (1), and a compaction chamber is formed by the through hole (21) between the flexible film (3) and the paving platform (1);
the side wall of the compaction frame body (2) is also provided with a vacuumizing hole (22), one end of the vacuumizing hole (22) is communicated with the compaction chamber, and the other end of the vacuumizing hole is communicated with the vacuum pump.
2. The composite material vacuum compaction device according to claim 1, characterized in that the bottom surface of the compaction frame (2) is provided with an upper airtight interlayer (4), the top surface of the laying platform (1) is provided with a lower airtight interlayer (5) matching the upper airtight interlayer (4), and the upper airtight interlayer (4) and the lower airtight interlayer (5) cooperate to seal between the compaction frame (2) and the laying platform (1).
3. The composite material vacuum compaction apparatus according to claim 1, wherein a handle (6) is provided on the compaction frame (2).
4. The composite material vacuum compaction apparatus according to claim 1, characterized in that a spring is arranged between the compaction frame (2) and the layup platform (1);
the spring is arranged on the compaction frame body (2); or
The spring is arranged on the paving platform (1).
5. The composite vacuum compaction apparatus of claim 1 further comprising a vacuum fitting mounted to an end of the evacuation bore (22) remote from the compaction chamber, the vacuum pump communicating with the evacuation bore (22) through the vacuum fitting.
6. The composite material vacuum compaction apparatus according to claim 1, wherein the evacuation holes (22) are plural and evenly arranged circumferentially along the compaction frame (2).
7. The composite material vacuum compaction apparatus according to claim 1, wherein the opening of the evacuation hole (22) at the end remote from the compaction chamber is located at the outer side wall of the compaction frame (2); or
The opening of the vacuumizing hole (22) far away from one end of the compaction chamber is positioned above the compaction frame body (2).
8. The composite vacuum compaction apparatus according to claim 1, further comprising an adhesive member (7) disposed on top of the compaction frame (2), the flexible membrane (3) being sealingly mounted to the compaction frame (2) by the adhesive member (7).
9. The composite vacuum compaction apparatus according to claim 8, wherein the adhesive member (7) is a putty strip or an adhesive.
10. Composite material vacuum compaction device according to any one of the claims 1 to 9 wherein the flexible membrane (3) is a vacuum bag.
CN202021458843.3U 2020-07-22 2020-07-22 Vacuum compaction equipment for composite material Active CN213137877U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021458843.3U CN213137877U (en) 2020-07-22 2020-07-22 Vacuum compaction equipment for composite material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021458843.3U CN213137877U (en) 2020-07-22 2020-07-22 Vacuum compaction equipment for composite material

Publications (1)

Publication Number Publication Date
CN213137877U true CN213137877U (en) 2021-05-07

Family

ID=75732503

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021458843.3U Active CN213137877U (en) 2020-07-22 2020-07-22 Vacuum compaction equipment for composite material

Country Status (1)

Country Link
CN (1) CN213137877U (en)

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