CN105034415A - Double-vacuumizing device and method for repairing civil aircraft composite materials - Google Patents
Double-vacuumizing device and method for repairing civil aircraft composite materials Download PDFInfo
- Publication number
- CN105034415A CN105034415A CN201510449915.5A CN201510449915A CN105034415A CN 105034415 A CN105034415 A CN 105034415A CN 201510449915 A CN201510449915 A CN 201510449915A CN 105034415 A CN105034415 A CN 105034415A
- Authority
- CN
- China
- Prior art keywords
- vacuum
- seal
- soy sauce
- black soy
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Vacuum Packaging (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a double-vacuumizing device and method for repairing civil aircraft composite materials. The device comprises first breathable gauze, an electric blanket, a metal pressing plate, a non-hole separation film, second breathable gauze, a first porous separation film, a repairing patch, a second porous separation film and third breathable gauze, wherein all the components are flatly laid on a working platform in sequence from bottom to top so as to form a stacked pile protruding from the working platform. The heating control output end of heating control equipment is electrically connected with the electric blanket. A film body of a vacuum sealing film completely covers the stacked pile and is connected with the working platform in a sealed mode, so that the vacuum sealing film and the working platform define a first sealed cavity. The bottom of a pressure reducing hood is located on the film body of the vacuum sealing film and accommodates the stacked pile in a bottom cavity, and the bottom of the pressure reducing hood is connected with the film body of the vacuum sealing film in a sealed mode, so that the pressure reducing hood and the vacuum sealing film define a second sealed cavity. The double-vacuumizing device and method have the advantages of being simple in structure, high in reliability, not prone to air leakage and capable of simply and conveniently repairing the civil aircraft composite materials.
Description
Technical field
The present invention relates to a kind of black soy sauce vacuum plant for civil aircraft repairing composite material and method.
Background technology
Along with the development of science and technology, the application technology of composite is constantly perfect, and increasing advanced composite material is applied on aircraft.B787 is the current state-of-the-art seating plane in the world that Boeing manufactures, in order to reduce weight, save maintenance cost, increase the service life, it has overturned traditional idea in design, use composite in a large number at fuselage skin, aircraft wing, stabilization Prime Condition Aircraft structural member, composite accounts for 60% of integrated airplane total amount ratio, and volume ratio is even more than 80%.
Due to the application of advanced composite material, the maintenance and repair of aircraft also thereupon can produce major transformation.With the aircraft structure that advanced composite material manufactures, be the skeleton of aircraft, it assume responsibility for the various load of aircraft.In peacetime repair aircraft structure process, if be mixed into moisture or formed minute bubbles, also can reduce plexiglas inversion temperature, formed stress concentrate, for aircraft safety be also fatal.Traditional repairing composite material method can only reach the repairing demand of less than five layers or five layers.For the aircraft structure be made up of tens of layers of carbon fiber, traditional repair method can not meet the demand of aircraft maintenance.
In order to meet the repairing requirement of advanced composite material, Boeing proposes new technique DVD (DoubleVacuumDebulk).It utilizes black soy sauce vacuum exactly, reduces inner space atmospheric pressure, and makes air pressure inside and outside air pressure form the pressure differential of 0-1inHg.When heating, the moisture bearing gas that laying produces will constantly be separated out, and makes fibrage compacting, so just meets the force request of structural member.
At present.The DVD decompressor described in handbook makes of wood, then seals with vacuum bag when each use.This DVD device uses length consuming time, easily damages, and easily leaks gas, for maintenance very inconvenience.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of black soy sauce vacuum plant for civil aircraft repairing composite material and method.
Solve the problems of the technologies described above, the technical solution adopted in the present invention is as follows:
A kind of black soy sauce vacuum plant for civil aircraft repairing composite material, black soy sauce vacuum technology can be implemented to the repaired patch repaired for technique for aircraft composite, it is characterized in that: described black soy sauce vacuum plant comprises workbench, three layers of ventilative yarn, electric blanket, metal platen, without pore separation membrane, two-layerly has pore separation membrane, vacuum seal film, decompression cover, heating control devices and two vavuum pumps; Described first ventilative yarn, electric blanket, metal platen, pore separation membrane, repaired patch, second is had to have pore separation membrane and the 3rd yarn of breathing freely to be laid in successively from the bottom to top on described workbench and to be formed in the stacked heap of described workbench projection without pore separation membrane, the second ventilative yarn, first; The computer heating control output of described heating control devices is electrically connected with electric blanket; The membrane body of described vacuum seal film is provided with the diaphragm seal vacuum adapter being communicated with the upper and lower both sides of membrane body, the membrane body of described vacuum seal film to cover completely on described stacked heap and is tightly connected with described workbench, makes described vacuum seal film and workbench surround the first seal chamber; The bleeding point of described first vavuum pump is connected with the diaphragm seal vacuum adapter of described vacuum seal film by the first exhaust tube; The cover body of described decompression cover has bottom pocket and is provided with the decompression cover vacuum adapter being communicated with cover body outside and bottom pocket, described stacked heap is contained in bottom pocket by the membrane body that the bottom of described decompression cover is seated in described vacuum seal film, the bottom of described decompression cover and the membrane body of vacuum seal film are tightly connected, and make described decompression cover and vacuum seal film surround the second seal chamber; The bleeding point of described second vavuum pump is connected with the decompression cover vacuum adapter of described decompression cover by the second exhaust tube.
In order to improve vacuumizing effect further, as a modification of the present invention, the edge of the described first ventilative yarn exceeds described electric blanket, metal platen, to have pore separation membrane, repaired patch, second have pore separation membrane and the 3rd to breathe freely this edge of yarn without pore separation membrane, the second ventilative yarn, first.
For the ease of controlling the heating-up temperature of electric blanket, as a modification of the present invention, described black soy sauce vacuum plant also comprises electroheat pair, and electroheat pair is placed between described electric blanket and metal platen, and the temperature acquisition input of described heating control devices is electrically connected with electroheat pair.
For the ease of obtaining the air pressure in the first seal chamber, as a modification of the present invention, described black soy sauce vacuum plant also comprises the first pressure vacuum gauge; The membrane body of described vacuum seal film is also provided with the diaphragm seal pressure tapping being communicated with the upper and lower both sides of membrane body, and, diaphragm seal pressure tapping and described diaphragm seal vacuum adapter are separately positioned on two diagonal positions of described membrane body, and the first pressure vacuum gauge is connected in the diaphragm seal pressure tapping of vacuum seal film.
For the ease of obtaining the air pressure in the second seal chamber, as a modification of the present invention, described black soy sauce vacuum plant also comprises the second pressure vacuum gauge; The cover body of described decompression cover is also provided with the decompression cover pressure tapping being communicated with cover body outside and bottom pocket, and decompression cover pressure tapping and described decompression cover vacuum adapter are separately positioned on two diagonal positions of described cover body, and the second pressure vacuum gauge is connected in the decompression cover pressure tapping of decompression cover.
In order to ensure the reliable enforcement to repaired patch black soy sauce vacuum technology, as the preferred embodiment of the present invention, sealing property between described vacuum seal film and workbench is satisfied to be required as follows: the air pressure of described first seal chamber at least can reach negative pressure 26inHg under the air-extraction function of described first vavuum pump, and after described first vavuum pump stopping is bled, the fall of the negative pressure air pressure absolute value in described first seal chamber within 5 minutes is at below 2inHg.
As a kind of preferred embodiment of invention, described cover body is made up of aluminum alloy materials, and it comprises front panel, squab panel, left wallboard, right wallboard and wainscot; Described front panel, squab panel, left wallboard, right wallboard and wainscot connect to form the uncovered casing in bottom, and the inner chamber of this casing is the bottom pocket of described cover body.
As a kind of preferred embodiment of invention, described front panel, squab panel, left wallboard, right wallboard with in wainscot arbitrarily both position medial surfaces that is connected be connected with L-type aluminum corner brace, the outer surface of described wainscot is connected with the described T-shaped aluminum strip of two or more, and each T-shaped aluminum strip is parallel to each other and is evenly arranged on the outer surface of described wainscot.
As a kind of preferred embodiment of invention, in described front panel, squab panel, left wallboard, right wallboard, wainscot, L-type aluminum corner brace and T-shaped aluminum strip, both positions that is connected seal by high-temperature seal adhesive arbitrarily.
A kind of black soy sauce vacuum method for civil aircraft repairing composite material, black soy sauce vacuum technology can be implemented to the repaired patch repaired for technique for aircraft composite, it is characterized in that: described black soy sauce vacuum method is implemented based on black soy sauce vacuum plant described in claim 1 to 9 any one, comprising:
Step one, first by the described first ventilative yarn, electric blanket, metal platen, to have pore separation membrane, repaired patch, second have pore separation membrane and the 3rd yarn of breathing freely to be laid in successively from the bottom to top on described workbench and to be formed in the stacked heap of described workbench projection without pore separation membrane, the second ventilative yarn, first; Then the computer heating control output of described heating control devices is electrically connected with electric blanket; Finally the membrane body of described vacuum seal film to be covered completely on described stacked heap and to be tightly connected with described workbench, making described vacuum seal film and workbench surround the first seal chamber;
Step 2, the bleeding point of described first vavuum pump is connected with the diaphragm seal vacuum adapter of described vacuum seal film by the first exhaust tube, and start the first vavuum pump described first seal chamber is bled, make the stable gas pressure of described first seal chamber on P1, wherein, this P1 be negative pressure and | P1| >=26inHg;
Step 3, described stacked heap is contained in bottom pocket by the membrane body bottom of described decompression cover being seated in described vacuum seal film, and the membrane body of the bottom of described decompression cover and vacuum seal film is tightly connected, make described decompression cover and vacuum seal film surround the second seal chamber;
Step 4, the bleeding point of described second vavuum pump is connected with the decompression cover vacuum adapter of described decompression cover by the second exhaust tube, and start the second vavuum pump described second seal chamber is bled, make the stable gas pressure of described second seal chamber on P2, wherein, this P2 be negative pressure and | P2|≤| P1|, 0≤| P2|-|P1|≤1inHg;
Step 5, described electric blanket work is controlled by described heating control devices, precuring is carried out to described repaired patch, that is: control described electric blanket to heat described first seal chamber with the heating rate of 2-4 ℉/min, temperature in described first seal chamber starts to be cured Time Calculation when reaching solidification temperature region first, and within the hardening time of 60 ~ 70min by the temperature stabilization in described first seal chamber within solidification temperature region, wherein, described solidification temperature region is 220 ± 10 ℉; Further, when reaching 30min hardening time, the air pressure controlled in described second seal chamber returns to normal pressure, and namely described second seal chamber is in atmospheric pressure state in the hardening time of rear 30 ~ 40min; Namely described repaired patch completes precuring after terminating hardening time.
Compared with prior art, the present invention has following beneficial effect:
First, black soy sauce vacuum plant of the present invention surrounds the first seal chamber by vacuum seal film and workbench, under making the repaired patch be placed in the first seal chamber to be in negative pressure state, and surround the second seal chamber by decompression cover and vacuum seal film, this second seal chamber is utilized to carry out secondary vacuum pumping to reduce the pressure in the first seal chamber, by electric blanket, heating is carried out to the first seal chamber again and precuring is carried out to repaired patch, thus discharge the repaired patch on the make inevitable gas moisture existed between its layers of material by the first vavuum pump, improve the reliability of repaired patch,
The second, by arranging three layers of ventilative yarn, black soy sauce vacuum plant of the present invention ensure that the air between vacuum seal film and workbench can fully be found time, avoid other material layer to form confined space each other, improve the vacuumizing effect of the first seal chamber;
3rd, black soy sauce vacuum plant of the present invention by being provided with pore separation membrane between ventilative yarn and repaired patch, avoid ventilative yarn cannot be separated with the technique for aircraft composite repaired patch flowed gluey after heating, the air of repaired patch is then by there being the through hole on pore separation membrane to circulate;
4th, black soy sauce vacuum plant of the present invention, by arranging metal platen, on the one hand ensure that electric blanket is paved and makes it generate heat evenly, another aspect make electric blanket can by metal platen evenly heat conduction;
5th, black soy sauce vacuum plant of the present invention, by arranging in metal platen without pore separation membrane, avoids the technique for aircraft composite repaired patch heating rear glue flowing permeate and cause repaired patch material unaccounted-for (MUF) and avoid causing the pollution to electric blanket downwards;
6th, the cover body in the present invention is preferably made up of aluminum alloy materials, and is made up of front panel, squab panel, left wallboard, right wallboard, wainscot, L-type aluminum corner brace and T-shaped aluminum strip, has durable advantage;
7th, black soy sauce vacuum plant of the present invention has that structure is simple, reliability is high, not easily leak gas, keep in repair easy advantage;
8th, black soy sauce vacuum method of the present invention is implemented by black soy sauce vacuum plant, have consuming time short, implement advantage easily.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is the structural representation of the black soy sauce vacuum plant of the embodiment of the present invention one;
Fig. 2 be in Fig. 1 electric blanket 3 to the stepped construction enlarged diagram of the 3rd ventilative yarn 10;
Fig. 3 is the perspective view of decompression cover in the black soy sauce vacuum plant of the embodiment of the present invention two;
Fig. 4 is the A-A sectional view of Fig. 3.
Detailed description of the invention
Embodiment one
As depicted in figs. 1 and 2, the black soy sauce vacuum plant of the embodiment of the present invention one can implement black soy sauce vacuum technology to the repaired patch 8 repaired for technique for aircraft composite, and it comprises workbench 1, three layers of ventilative yarn, electric blanket 3, metal platen 4, without pore separation membrane 5, two-layerly has pore separation membrane, vacuum seal film 11, decompression cover 12, heating control devices 14 and two vavuum pumps.
Above-mentioned first ventilative yarn 2, electric blanket 3, metal platen 4, without pore separation membrane 5, second ventilative yarn 6, first has pore separation membrane 7, repaired patch 8, second has pore separation membrane 9 and the 3rd ventilative yarn 10 to be laid in successively from the bottom to top on workbench 1 and is formed in the stacked heap of workbench 1 projection, wherein, the edge of the first ventilative yarn 2 exceeds electric blanket 3, metal platen 4, without pore separation membrane 5, second ventilative yarn 6, first has pore separation membrane 7, repaired patch 8, second has this edge of pore separation membrane 9 and the 3rd ventilative yarn 10, the computer heating control output of heating control devices 14 is electrically connected with electric blanket 3.
The membrane body 111 of above-mentioned vacuum seal film 11 is provided with the diaphragm seal vacuum adapter 112 being communicated with membrane body about 111 both sides, the membrane body 111 of vacuum seal film 11 to cover completely on stacked heap and is tightly connected with workbench 1, makes vacuum seal film 11 and workbench 1 surround the first seal chamber; The bleeding point of the first vavuum pump 15 is connected with the diaphragm seal vacuum adapter 112 of vacuum seal film 11 by the first exhaust tube.
Wherein, workbench 1 should solid firmly with guarantee can be reliable and stable between itself and vacuum seal film 11 formation subnormal ambient, the aluminium sheet of at least 0.5 inch generally chosen by workbench 1.The area size of the first seal chamber is preferably 40 inch square.Sealing property between vacuum seal film 11 and workbench 1 is satisfied to be required as follows: the air pressure of the first seal chamber at least can reach negative pressure 26inHg under the air-extraction function of the first vavuum pump 15, and after the first vavuum pump 15 stopping is bled, the fall of the negative pressure air pressure absolute value in the first seal chamber within 5 minutes is at below 2inHg.
The cover body 121 of above-mentioned decompression cover 12 has bottom pocket 121a and is provided with the decompression cover vacuum adapter 122 being communicated with cover body 121 outside and bottom pocket 121a, stacked heap is contained in bottom pocket 121a by the membrane body 111 that the bottom of decompression cover 12 is seated in vacuum seal film 11, the bottom of decompression cover 12 and the membrane body 111 of vacuum seal film 11 are tightly connected, and make decompression cover 12 and vacuum seal film 11 surround the second seal chamber; The bleeding point of the second vavuum pump 16 is connected with the decompression cover vacuum adapter 122 of decompression cover 12 by the second exhaust tube.
Black soy sauce vacuum method of the present invention, implement based on above-mentioned black soy sauce vacuum plant, comprising:
Step one, first by the first ventilative yarn 2, electric blanket 3, metal platen 4, to have pore separation membrane 7, repaired patch 8, second have pore separation membrane 9 and the 3rd yarn 10 of breathing freely to be laid in successively from the bottom to top on workbench 1 and to be formed in the stacked heap of workbench 1 projection without the ventilative yarn 6, first of pore separation membrane 5, second; Then the computer heating control output of heating control devices 14 is electrically connected with electric blanket 3; Finally the membrane body 111 of vacuum seal film 11 to be covered completely on stacked heap and to be tightly connected with workbench 1, making vacuum seal film 11 and workbench 1 surround the first seal chamber;
Step 2, the bleeding point of the first vavuum pump 15 is connected with the diaphragm seal vacuum adapter 112 of vacuum seal film 11 by the first exhaust tube, and start the first vavuum pump 15 first seal chamber is bled, make the stable gas pressure of the first seal chamber on P1, wherein, this P1 be negative pressure and | P1| >=26inHg;
Step 3, stacked heap is contained in bottom pocket 121a by the membrane body 111 bottom of decompression cover 12 being seated in vacuum seal film 11, and the membrane body 111 of the bottom of decompression cover 12 and vacuum seal film 11 is tightly connected, make decompression cover 12 and vacuum seal film 11 surround the second seal chamber;
Step 4, the bleeding point of the second vavuum pump 16 is connected with the decompression cover vacuum adapter 122 of decompression cover 12 by the second exhaust tube, and start the second vavuum pump 16 second seal chamber is bled, make the stable gas pressure of the second seal chamber on P2, wherein, this P2 be negative pressure and | P2|≤| P1|, 0≤| P2|-|P1|≤1inHg;
Step 5, control electric blanket 3 by heating control devices 14 to work, precuring is carried out to repaired patch 8, that is: control electric blanket 3 to heat the first seal chamber with the heating rate of 2-4 ℉/min, temperature in the first seal chamber starts to be cured Time Calculation when reaching solidification temperature region first, and within the hardening time of 60 ~ 70min by the temperature stabilization in the first seal chamber within solidification temperature region, wherein, solidification temperature region is 220 ± 10 ℉; Further, when reaching 30min hardening time, the air pressure controlled in the second seal chamber returns to normal pressure, and namely the second seal chamber is in atmospheric pressure state in the hardening time of rear 30 ~ 40min; Namely repaired patch 8 completes precuring after terminating hardening time.
Step 6, without the need to being incubated after repaired patch 8 completes precuring, directly control electric blanket 3 by heating control devices 14 to work, after waiting repair sticking patch 8 cools to normal temperature, namely dismountable first and second seal chambers are to take out repaired patch 8, the damage location that namely this repaired patch 8 completing precuring can be used for airframe solidifies completely, completes the repairing of technique for aircraft composite.
In addition, the membrane body 111 of the vacuum seal film 11 of black soy sauce vacuum plant of the present invention also can be set up the diaphragm seal pressure tapping 113 being communicated with membrane body about 111 both sides, and, diaphragm seal pressure tapping 113 and diaphragm seal vacuum adapter 112 are separately positioned on two diagonal positions of membrane body 111, first pressure vacuum gauge 17 is connected in the diaphragm seal pressure tapping 113 of vacuum seal film 11, thus, in above-mentioned steps two, know the air pressure of the first seal chamber more easily.
The cover body 121 of the decompression cover 12 of black soy sauce vacuum plant of the present invention also can be set up the decompression cover pressure tapping 123 being communicated with cover body 121 outside and bottom pocket 121a, and decompression cover pressure tapping 123 and decompression cover vacuum adapter 122 are separately positioned on two diagonal positions of cover body 121, and the second pressure vacuum gauge 18 is connected in the decompression cover pressure tapping 123 of decompression cover 12; Thus, in above-mentioned steps four, know the air pressure of the second seal chamber more easily.
Black soy sauce vacuum plant of the present invention also can set up electroheat pair 13 between electric blanket 3 and metal platen 4, and the temperature acquisition input of heating control devices 14 is electrically connected with electroheat pair 13, thus, heating control devices 14 can be utilized in above-mentioned steps five to receive the real time temperature of electroheat pair 13 feedback, the heating of automatic controlled electric heating blanket 3.
Embodiment two
As shown in Figure 3 and Figure 4, the black soy sauce vacuum plant of the embodiment of the present invention two is substantially identical with embodiment one, their difference is: in the present embodiment two, decompression cover 12 adopts following preferred structure: cover body 121 is made up of aluminum alloy materials, and it comprises front panel 1211, squab panel 1212, left wallboard 1213, right wallboard 1214 and wainscot 1215; Front panel 1211, squab panel 1212, left wallboard 1213, right wallboard 1214 and wainscot 1215 connect to form the uncovered casing in bottom, and the inner chamber of this casing is the bottom pocket 121a of cover body 121.Wherein, front panel 1211, squab panel 1212, left wallboard 1213, right wallboard 1214 with in wainscot 1215 arbitrarily both position medial surfaces that is connected be connected with L-type aluminum corner brace 1216, the outer surface of wainscot 1215 is connected with the T-shaped aluminum strip 1217 of two or more, and each T-shaped aluminum strip 1217 is parallel to each other and is evenly arranged on the outer surface of wainscot 1215; Front panel 1211, squab panel 1212, left wallboard 1213, right wallboard 1214, wainscot 1215, L-type aluminum corner brace 1216 with in T-shaped aluminum strip 1217 arbitrarily both positions that is connected seal by high-temperature seal adhesive.
The present invention does not limit to and above-mentioned detailed description of the invention; according to foregoing; according to ordinary technical knowledge and the customary means of this area; do not departing under the present invention's above-mentioned basic fundamental thought prerequisite; the present invention can also make the equivalent modifications of other various ways, replacement or change, all drops among protection scope of the present invention.
Claims (10)
1. the black soy sauce vacuum plant for civil aircraft repairing composite material, black soy sauce vacuum technology can be implemented to the repaired patch repaired for technique for aircraft composite (8), it is characterized in that: described black soy sauce vacuum plant comprises workbench (1), three layers of ventilative yarn, electric blanket (3), metal platen (4), without pore separation membrane (5), two-layerly has pore separation membrane, vacuum seal film (11), decompression cover (12), heating control devices (14) and two vavuum pumps, described first ventilative yarn (2), electric blanket (3), metal platen (4), without pore separation membrane (5), second ventilative yarn (6), first has pore separation membrane (7), repaired patch (8), second has pore separation membrane (9) and the 3rd yarn (10) of breathing freely is laid in described workbench (1) from the bottom to top successively and goes up and the stacked heap being formed in described workbench (1) projection, the computer heating control output of described heating control devices (14) is electrically connected with electric blanket (3), the membrane body (111) of described vacuum seal film (11) is provided with the diaphragm seal vacuum adapter (112) being communicated with the upper and lower both sides of membrane body (111), the membrane body (111) of described vacuum seal film (11) to cover completely on described stacked heap and is tightly connected with described workbench (1), makes described vacuum seal film (11) and workbench (1) surround the first seal chamber, the bleeding point of described first vavuum pump (15) is connected with the diaphragm seal vacuum adapter (112) of described vacuum seal film (11) by the first exhaust tube, the cover body (121) of described decompression cover (12) has bottom pocket (121a) and is provided with the decompression cover vacuum adapter (122) being communicated with cover body (121) outside and bottom pocket (121a), it is upper and be contained in bottom pocket (121a) by described stacked heap that the bottom of described decompression cover (12) is seated in the membrane body (111) of described vacuum seal film (11), the bottom of described decompression cover (12) and the membrane body (111) of vacuum seal film (11) are tightly connected, described decompression cover (12) and vacuum seal film (11) is made to surround the second seal chamber, the bleeding point of described second vavuum pump (16) is connected with the decompression cover vacuum adapter (122) of described decompression cover (12) by the second exhaust tube.
2. black soy sauce vacuum plant according to claim 1, is characterized in that: the edge of the described first ventilative yarn (2) exceeds described electric blanket (3), metal platen (4), without pore separation membrane (5), second ventilative yarn (6), first has pore separation membrane (7), repaired patch (8), second has pore separation membrane (9) and the 3rd to breathe freely this edge of yarn (10).
3. black soy sauce vacuum plant according to claim 1, it is characterized in that: described black soy sauce vacuum plant also comprises electroheat pair (13), electroheat pair (13) is placed between described electric blanket (3) and metal platen (4), and the temperature acquisition input of described heating control devices (14) is electrically connected with electroheat pair (13).
4. black soy sauce vacuum plant according to claim 1, is characterized in that: described black soy sauce vacuum plant also comprises the first pressure vacuum gauge (17); The membrane body (111) of described vacuum seal film (11) is also provided with the diaphragm seal pressure tapping (113) being communicated with the upper and lower both sides of membrane body (111), and, diaphragm seal pressure tapping (113) and described diaphragm seal vacuum adapter (112) are separately positioned on two diagonal positions of described membrane body (111), and the first pressure vacuum gauge (17) is connected in the diaphragm seal pressure tapping (113) of vacuum seal film (11).
5. black soy sauce vacuum plant according to claim 1, is characterized in that: described black soy sauce vacuum plant also comprises the second pressure vacuum gauge (18); The cover body (121) of described decompression cover (12) is also provided with the decompression cover pressure tapping (123) being communicated with cover body (121) outside and bottom pocket (121a), and decompression cover pressure tapping (123) and described decompression cover vacuum adapter (122) are separately positioned on two diagonal positions of described cover body (121), and the second pressure vacuum gauge (18) is connected in the decompression cover pressure tapping (123) of decompression cover (12).
6. black soy sauce vacuum plant according to claim 1, it is characterized in that: the sealing property between described vacuum seal film (11) and workbench (1) is satisfied to be required as follows: the air pressure of described first seal chamber at least can reach negative pressure 26inHg under the air-extraction function of described first vavuum pump (15), and after the stopping of described first vavuum pump (15) bleeds, the fall of the negative pressure air pressure absolute value in described first seal chamber within 5 minutes is at below 2inHg.
7. the black soy sauce vacuum plant according to claim 1 to 6 any one, it is characterized in that: described cover body (121) is made up of aluminum alloy materials, it comprises front panel (1211), squab panel (1212), left wallboard (1213), right wallboard (1214) and wainscot (1215); Described front panel (1211), squab panel (1212), left wallboard (1213), right wallboard (1214) and wainscot (1215) connect to form the uncovered casing in bottom, and the inner chamber of this casing is the bottom pocket (121a) of described cover body (121).
8. black soy sauce vacuum plant according to claim 7, it is characterized in that: described front panel (1211), squab panel (1212), left wallboard (1213), right wallboard (1214) with in wainscot (1215) arbitrarily both position medial surfaces that is connected be connected with L-type aluminum corner brace (1216), the outer surface of described wainscot (1215) is connected with the described T-shaped aluminum strip (1217) of two or more, and each T-shaped aluminum strip (1217) is parallel to each other and is evenly arranged on the outer surface of described wainscot (1215).
9. black soy sauce vacuum plant according to claim 8, is characterized in that: described front panel (1211), squab panel (1212), left wallboard (1213), right wallboard (1214), wainscot (1215), L-type aluminum corner brace (1216) with in T-shaped aluminum strip (1217) arbitrarily both positions that is connected seal by high-temperature seal adhesive.
10. the black soy sauce vacuum method for civil aircraft repairing composite material, black soy sauce vacuum technology can be implemented to the repaired patch repaired for technique for aircraft composite (8), it is characterized in that: described black soy sauce vacuum method is implemented based on black soy sauce vacuum plant described in claim 1 to 9 any one, comprising:
Step one, first by the described first ventilative yarn (2), electric blanket (3), metal platen (4), without pore separation membrane (5), second ventilative yarn (6), first has pore separation membrane (7), repaired patch (8), second has pore separation membrane (9) and the 3rd yarn (10) of breathing freely is laid in described workbench (1) from the bottom to top successively and goes up and the stacked heap being formed in described workbench (1) projection; Then the computer heating control output of described heating control devices (14) is electrically connected with electric blanket (3); Finally the membrane body (111) of described vacuum seal film (11) to be covered completely on described stacked heap and to be tightly connected with described workbench (1), making described vacuum seal film (11) and workbench (1) surround the first seal chamber;
Step 2, the bleeding point of described first vavuum pump (15) is connected with the diaphragm seal vacuum adapter (112) of described vacuum seal film (11) by the first exhaust tube, and start the first vavuum pump (15) described first seal chamber is bled, make the stable gas pressure of described first seal chamber on P1, wherein, this P1 be negative pressure and | P1| >=26inHg;
Step 3, the membrane body (111) bottom of described decompression cover (12) being seated in described vacuum seal film (11) is gone up and is contained in bottom pocket (121a) by described stacked heap, and the membrane body (111) of the bottom of described decompression cover (12) and vacuum seal film (11) is tightly connected, make described decompression cover (12) and vacuum seal film (11) surround the second seal chamber;
Step 4, the bleeding point of described second vavuum pump (16) is connected with the decompression cover vacuum adapter (122) of described decompression cover (12) by the second exhaust tube, and start the second vavuum pump (16) described second seal chamber is bled, make the stable gas pressure of described second seal chamber on P2, wherein, this P2 be negative pressure and | P2|≤| P1|, 0≤| P2|-|P1|≤1inHg;
Step 5, described electric blanket (3) work is controlled by described heating control devices (14), precuring is carried out to described repaired patch (8), that is: control described electric blanket (3) to heat described first seal chamber with the heating rate of 2-4 ℉/min, temperature in described first seal chamber starts to be cured Time Calculation when reaching solidification temperature region first, and within the hardening time of 60 ~ 70min by the temperature stabilization in described first seal chamber within solidification temperature region, wherein, described solidification temperature region is 220 ± 10 ℉, further, when reaching 30min hardening time, the air pressure controlled in described second seal chamber returns to normal pressure, and namely described second seal chamber is in atmospheric pressure state in the hardening time of rear 30 ~ 40min, described repaired patch (8) namely completes precuring after terminating hardening time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510449915.5A CN105034415B (en) | 2015-07-28 | 2015-07-28 | Double-vacuumizing device and method for repairing civil aircraft composite materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510449915.5A CN105034415B (en) | 2015-07-28 | 2015-07-28 | Double-vacuumizing device and method for repairing civil aircraft composite materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105034415A true CN105034415A (en) | 2015-11-11 |
| CN105034415B CN105034415B (en) | 2017-05-03 |
Family
ID=54441653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510449915.5A Active CN105034415B (en) | 2015-07-28 | 2015-07-28 | Double-vacuumizing device and method for repairing civil aircraft composite materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105034415B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524919A (en) * | 2019-07-15 | 2019-12-03 | 中国南方航空股份有限公司 | A method of bonding repairing being carried out to technique for aircraft composite component using separate type double vacuum bag hot press forming technologies |
| CN111086245A (en) * | 2019-12-19 | 2020-05-01 | 中国航空工业集团公司西安飞机设计研究所 | Glue joint repairing device and repairing method for composite material structure of airplane |
| CN113787738A (en) * | 2021-08-28 | 2021-12-14 | 国营芜湖机械厂 | Portable microwave curing double-vacuum repair system and use method thereof |
| WO2023193142A1 (en) * | 2022-04-06 | 2023-10-12 | 许汉忠 | Vacuum forming method for membrane-like substance containing raised structure body and forming device thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6761783B2 (en) * | 2002-04-09 | 2004-07-13 | The Boeing Company | Process method to repair bismaleimide (BMI) composite structures |
| EP2371523A1 (en) * | 2010-03-29 | 2011-10-05 | Alenia Aeronautica S.P.A. | A method and a device for repairing parts of composite material of an aircraft |
| CN102756481A (en) * | 2012-07-27 | 2012-10-31 | 国电联合动力技术(连云港)有限公司 | Manufacturing method of carbon fiber girder for fan blade |
| CN103057127A (en) * | 2012-12-19 | 2013-04-24 | 江西洪都航空工业集团有限责任公司 | Vacuumizing device for manufacturing composite material by vacuum bag/autoclave method |
| CN204322537U (en) * | 2014-12-09 | 2015-05-13 | 国电联合动力技术(赤峰)有限公司 | For the vacuum unit of fan blade web form |
-
2015
- 2015-07-28 CN CN201510449915.5A patent/CN105034415B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6761783B2 (en) * | 2002-04-09 | 2004-07-13 | The Boeing Company | Process method to repair bismaleimide (BMI) composite structures |
| EP2371523A1 (en) * | 2010-03-29 | 2011-10-05 | Alenia Aeronautica S.P.A. | A method and a device for repairing parts of composite material of an aircraft |
| CN102756481A (en) * | 2012-07-27 | 2012-10-31 | 国电联合动力技术(连云港)有限公司 | Manufacturing method of carbon fiber girder for fan blade |
| CN103057127A (en) * | 2012-12-19 | 2013-04-24 | 江西洪都航空工业集团有限责任公司 | Vacuumizing device for manufacturing composite material by vacuum bag/autoclave method |
| CN204322537U (en) * | 2014-12-09 | 2015-05-13 | 国电联合动力技术(赤峰)有限公司 | For the vacuum unit of fan blade web form |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524919A (en) * | 2019-07-15 | 2019-12-03 | 中国南方航空股份有限公司 | A method of bonding repairing being carried out to technique for aircraft composite component using separate type double vacuum bag hot press forming technologies |
| CN110524919B (en) * | 2019-07-15 | 2022-07-19 | 中国南方航空股份有限公司 | Method for bonding and repairing aircraft composite material part by adopting separated double-vacuum-bag hot-press molding process |
| CN111086245A (en) * | 2019-12-19 | 2020-05-01 | 中国航空工业集团公司西安飞机设计研究所 | Glue joint repairing device and repairing method for composite material structure of airplane |
| CN113787738A (en) * | 2021-08-28 | 2021-12-14 | 国营芜湖机械厂 | Portable microwave curing double-vacuum repair system and use method thereof |
| WO2023193142A1 (en) * | 2022-04-06 | 2023-10-12 | 许汉忠 | Vacuum forming method for membrane-like substance containing raised structure body and forming device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105034415B (en) | 2017-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105034415A (en) | Double-vacuumizing device and method for repairing civil aircraft composite materials | |
| CA2812376C (en) | Non-vented bladder system for curing composite parts | |
| US6761783B2 (en) | Process method to repair bismaleimide (BMI) composite structures | |
| CN202147846U (en) | Vacuum suction plate test loading system | |
| CN102725132A (en) | High temperature composite tool | |
| US10479066B2 (en) | Composite tool having vacuum integrity and method of making the same | |
| ITTO20100238A1 (en) | PROCEDURE AND DEVICE FOR THE REPAIR OF COMPOSITE MATERIAL PANELS | |
| US9931795B2 (en) | Method of liquid resin infusion of a composite preform | |
| CN106626435A (en) | Foam sandwich composite material for aviation dining car and preparation method of foam sandwich composite material | |
| US11712871B2 (en) | Large cell carbon core sandwich panel and method of manufacturing same | |
| US10960617B2 (en) | Apparatus and methods for manufacturing and repairing fibre-reinforced composite materials | |
| CN105965917A (en) | Co-curing forming technological method for composite fuselage frame body with ribs added to two sides | |
| WO2016023555A1 (en) | Improvements relating to wind turbine blade manufacture | |
| CN105904747A (en) | Repairing method of large composite material shelter | |
| US10183451B2 (en) | Method for repairing a composite-material panel of an aircraft and tool for implementing said method | |
| CN204977509U (en) | A pressure relief device for civil aircraft combined material repair black soy sauce vacuum technology | |
| CN104325636B (en) | A kind of acrylonitrile-butadiene rubber metal adhesive part vacuum-bag process manufacture method | |
| CN107234819A (en) | A kind of method for repairing and mending of radome | |
| CN206528101U (en) | A kind of automobile-used foam sandwich composite of in-flight meal | |
| CN104847762B (en) | A kind of tail duct eyelid covering of going straight up to glueds joint the device and method of pressurization | |
| JP2005271247A (en) | Frp reinforcing and repairing method | |
| CN104165017B (en) | Fighter plane canopy transparent materials fastening structure and fastening method thereof | |
| CN213056354U (en) | Integrated solar component laminating machine | |
| CN114872894B (en) | Design scheme and preparation method of composite wing for miniature ornithopter | |
| CN117962373A (en) | Method for bonding and repairing aircraft composite material part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |