CN203210696U - Vacuum bag pipe connection device for autoclave molding process - Google Patents

Vacuum bag pipe connection device for autoclave molding process Download PDF

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Publication number
CN203210696U
CN203210696U CN 201320154644 CN201320154644U CN203210696U CN 203210696 U CN203210696 U CN 203210696U CN 201320154644 CN201320154644 CN 201320154644 CN 201320154644 U CN201320154644 U CN 201320154644U CN 203210696 U CN203210696 U CN 203210696U
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China
Prior art keywords
vacuum bag
vacuum
pipe
pressure ring
tipping
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Expired - Lifetime
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CN 201320154644
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Chinese (zh)
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赵伟栋
潘玲英
王磊
刘宝志
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China Academy of Launch Vehicle Technology CALT
Aerospace Research Institute of Materials and Processing Technology
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China Academy of Launch Vehicle Technology CALT
Aerospace Research Institute of Materials and Processing Technology
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Abstract

The utility model relates to a vacuum bag pipe connection device for an autoclave molding process, and in particular relates to a high-temperature resistant and high-pressure resistant vacuum bag pipe connection device for sealing vacuum bags for a resin-based composite material autoclave molding process, belonging to the technical field of sealing. The vacuum bag pipe connection device is provided with a groove in a base and a tenon on a pressure ring, so that a rubber sealing gasket with a low temperature resistance level is not used, and then the temperature resistance of the device is improved; the vacuum bag pipe connection device is provided with a buffer chamber structure, so that once redundant resin in a product enters the vacuum pipe connection device, the resin can be stopped to ensure that a vacuum air channel is smooth and the orifice of a vacuum pipe is prevented from being blocked. The vacuum bag pipe connection device can realize reliable connection between a vacuum bag and a vacuum system, and meets process requirements for molding autoclaves of high-temperature resistant components made from a polyimide resin based composite material and the like.

Description

A kind of autoclave forming process is put with the tipping of vacuum bag pipe
Technical field
The utility model relates to a kind of autoclave forming process to be put with the tipping of vacuum bag pipe, particularly relates to the polymer matrix composites autoclave forming process and puts with the tipping of vacuum bag pipe with the sealing of high temperature high voltage resistant vacuum bag, belongs to technical field of sealing technology.
Background technology
Vacuum bag/autoclave forming process remains the moulding process of high-quality resin-based compound material component at present.The positiver sealing of vacuum bag is indispensable link and precondition in this technology.It is blank area in the vacuum bag system that vacuum bag pipe tipping is put, its effect is that the vacuum system with vacuum bag system and autoclave couples together by the metal vacuum pipeline, under the state of the outside HTHP of vacuum bag, guarantee to keep in the vacuum bag system vacuum of appointment, realize effective compacting of composite element, reduce the hole of composite element inside, improve component quality.This is particularly important in the manufacturing of the expensive large-sized structural parts product of Aero-Space, can solve the technology bottleneck difficult problem that product is made, and reduces scrappage, guarantees the delivery time node.
Prior art vacuum bag system sealing poor performance can not realize the compacting of member, finally causes scrapping of member.In order to solve this difficult problem, need manufacture and design a kind of novel high temperature high voltage resistant vacuum bag pipe tipping and put, satisfy the autoclave forming process requirement of polyimide resin based composites structure member.
The tipping of vacuum bag pipe is put generally and is made up of substrate, sealing gasket, pressing plate and clamp nut.Two kinds of difficult problems of main existence and hidden danger are put in existing vacuum tube tipping.A kind of is that an obstruction difficult problem is put in vacuum tube tipping: because the initial viscosity of resin is low, enters the vacuum tube tipping and put and cause to stop up and form false vacuum, cause major defects such as the loose even layering of product; Another kind is that sealing gasket lost efficacy, and causes vacuum leak, causes product rejection, even security incident such as breaking out of fire: the sealing gasket that existing vacuum bag pipe tipping is put adopts silicane rubber plate usually, and its maximum operation (service) temperature is about 230 ℃.But, for the moulding of fire resistant resin based composite material components such as bismaleimide resin, polyimide resin, must adopt more than 300 ℃ and the above HTHP of 1.0MPa, just can overcome the frictional resistance of resin, the softening of realization resin flowed.Silicane rubber plate aging cracking under above-mentioned time high-temperature and high-pressure conditions loses necessary strength and elasticity, even forms the perforation that connects, and causes the vacuum bag system vacuum to leak, and can not realize the compacting of member, finally causes scrapping of member.In order to solve this difficult problem, need manufacture and design the tipping of a kind of novel high temperature high voltage resistant vacuum bag pipe and put, satisfy the autoclave forming process requirement of polyimide resin based composites structure member, improve the quality of products and security and the reliability of technology.
The utility model content
The purpose of this utility model is that vacuum tube is hinged with the problems referred to above of putting existence in the prior art in order to solve, proposing a kind of autoclave forming process puts with the tipping of vacuum bag pipe, this device can realize that vacuum bag is connected with the reliable of vacuum system, satisfies the autoclave forming process requirement of polyimide resin based composites structure member.
The purpose of this utility model is achieved through the following technical solutions.
A kind of autoclave forming process of the present utility model is put with the tipping of vacuum bag pipe, and this device comprises substrate, pressure ring, clamp nut, attaching nut and surge chamber; Wherein, substrate comprises base and pipe joint, and base and pipe joint are formed in one;
Described pipe joint comprises threaded portion, retained part and the part that is tightly connected; Threaded portion matches with clamp nut; Operate fixing when retained part is used for installing;
The part that is tightly connected is sphere or conical surface seal mouth; The center of pipe joint is through hole; The criss-cross air slot that links to each other with central through hole is arranged at the bottom of base, and air slot also can be the arbitrary shape except cross, and is communicated with centre bore; The upper surface of base has sealed groove;
Described pressure ring is one to have the annulus of centre bore, and the lower surface of annulus has tenon; The vacuum bag film is installed in the middle of pressure ring and the base, matches with sealed groove by tenon, and by the sealing between clamp nut realization pressure ring 2, vacuum bag film and the base;
The centre bore of described pressure ring can be circle; For fear of in operating process, base and pressure ring relatively rotate, and easily cause the vacuum bag film that is clipped between the two to tear, scrap, so the pressure ring centre bore is designed to form except circular hole, such as square, rectangle, ellipse etc., and adapt with the equipped structure of pipe joint.
The monnolithic case of described surge chamber is cylindrical shape; There is excessive glue conduit its inside; One end of excessive glue conduit passes the bottom of surge chamber and the extension is arranged, and the bottom of surge chamber and excessive glue conduit weld together, and the other end of the glue conduit that overflows is cecum; Have outlet on the sidewall of excessive glue conduit; There is the pipe interface of fixedlying connected with vacuum system on the top of surge chamber; The top of the extension of excessive glue conduit is the convex surface seal, fixedlys connected by the attaching nut with pipe joint in the extension of the glue conduit that overflows, and the convex surface seal on the top of extension matches with the seal of the part that is tightly connected of pipe joint.
In the composite material forming process, in case entering the vacuum tube tipping, puts unnecessary resin, can flow into the bottom of surge chamber by inner outlet, play resident resin, can guarantee that again vacuum air-channel is unimpeded simultaneously, avoid the blocked effect of the vacuum mouth of pipe.
The material that above-mentioned vacuum bag pipe tipping is put can be refractory metal materials such as aluminium alloy, ordinary steel, stainless steel, titanium alloy.
Can single face in the top and bottom of vacuum bag film increase and 1~3 on the pad of the identical material of vacuum bag film, also can two-sidedly increase.
The tenon 16 of described pressure ring 2 lower surfaces is more than 1;
The sealed groove 15 of described base 10 upper surfaces is more than 1, but will match with the tenon 16 of pressure ring 2 lower surfaces.
Beneficial effect
1) device of the present utility model has tenon owing to have groove at base on the pressure ring, has saved the low rubber gasket of temperature resistant grade, and its heat resistance is improved;
2) device of the present utility model is owing to have the surge chamber structure, puts when middle in case the unnecessary resin in the product enters the vacuum tube tipping, can resident resin, guarantee that vacuum air-channel is unimpeded, and avoid the vacuum mouth of pipe blocked;
3) device of the present utility model can realize that vacuum bag is connected with the reliable of vacuum system, satisfies the autoclave forming process requirement of high temperature resistant members such as polyimide resin based composites.
Description of drawings
Fig. 1 is vacuum bag pipe tipping interposed structure schematic diagram;
Fig. 2 is the version schematic diagram of substrate;
Fig. 3 is the version schematic diagram of pressure ring;
Fig. 4 is the version schematic diagram of surge chamber;
Fig. 5 is the structural representation when on the pressure ring 2 tenons being arranged;
Fig. 6 is the structural representation when on the base 2 sealed groove structures being arranged;
Fig. 7 is the structural representation when on the pressure ring 3 tenons being arranged;
Fig. 8 is the structural representation when on the base 3 sealed groove structures being arranged.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1
A kind of autoclave forming process is put with the tipping of vacuum bag pipe, and this device comprises substrate 1, pressure ring 2, clamp nut 3, attaching nut 5 and surge chamber 7; Wherein, substrate 1 comprises base 10 and pipe joint 4, and base 10 and pipe joint 4 are formed in one;
Described pipe joint 4 comprises threaded portion 11, retained part 12 and the part 13 that is tightly connected; The part that is tightly connected 13 is sphere or conical surface seal mouth; The center of pipe joint 4 is through hole; The air slot 14 of cross shape is arranged at the bottom of base 10; The upper surface of base 10 has sealed groove 15;
Described pressure ring 2 is one to have the annulus of centre bore, and the lower surface of annulus has tenon 16; The vacuum bag film is installed in the middle of pressure ring 2 and the base 10, matches with sealed groove 15 by tenon 16, and by the sealing between clamp nut 3 realization pressure ring 2, vacuum bag film and the bases 10;
The centre bore of described pressure ring 2 is square;
The monnolithic case of described surge chamber 7 is cylindrical shape; There is excessive glue conduit 6 its inside; One end of excessive glue conduit 6 passes the bottom of surge chamber 7 and extension 17 is arranged, and the bottom of surge chamber 7 and excessive glue conduit 6 weld together, and the other end of the glue conduit 6 that overflows is cecum; Have outlet 8 on the sidewall of excessive glue conduit 6; There is the pipe interface 9 of fixedlying connected with vacuum system on the top of surge chamber 7; The top of the extension 17 of excessive glue conduit 6 is the convex surface seal, fixedly connected by attaching nut 5 with pipe joint 4 in the extension 17 of excessive glue conduit 6, the convex surface seal on the top of extension 17 matches with the seal of the part 13 that is tightly connected of pipe joint 4.
The material that above-mentioned vacuum bag pipe tipping is put is Q235-A ordinary steel material;
The vacuum bag film is selected the 0.05mm thick polyimide film for use, and the sealing joint strip that adopts when vacuum bag film and platform seal is selected SM5160 for use;
During the vacuum bag encapsulation, the vacuum bag film is placed between substrate and the pressure ring, loads onto pressure ring, with clamp nut each part mentioned above is compressed again.Be connected with vacuum system with vacuum metal pipe at last and can realize that vacuum bag pipe tipping is put with the reliable of vacuum system and be connected.Experimental condition: autoclave air pressure 1.5MPa, 399 ℃ of air themperatures, 20 hours time.Result of the test: 1/3 cavity volume has been full of resin in the surge chamber, and the vacuum line air guide is normal, and it is intact that sealing is put in the tipping of vacuum bag pipe, and vacuum bag does not have leakage, good product quality.
Embodiment 2
A kind of autoclave forming process is put with the tipping of vacuum bag pipe, and this device comprises substrate 1, pressure ring 2, clamp nut 3, attaching nut 5 and surge chamber 7; Wherein, substrate 1 comprises base 10 and pipe joint 4, and base 10 and pipe joint 4 are formed in one;
Described pipe joint 4 comprises threaded portion 11, retained part 12 and the part 13 that is tightly connected; The part that is tightly connected 13 is sphere or conical surface seal mouth; The center of pipe joint 4 is through hole; The air slot 14 of cross shape is arranged at the bottom of base 10; The upper surface of base 10 has sealed groove 15;
Described pressure ring 2 is one to have the annulus of centre bore, and the lower surface of annulus has tenon 16 one; The vacuum bag film is installed in the middle of pressure ring 2 and the base 10, matches with sealed groove 15 by tenon 16, and by the sealing between clamp nut 3 realization pressure ring 2, vacuum bag film and the bases 10;
The centre bore of described pressure ring 2 is square;
The monnolithic case of described surge chamber 7 is cylindrical shape; There is excessive glue conduit 6 its inside; One end of excessive glue conduit 6 passes the bottom of surge chamber 7 and extension 17 is arranged, and the bottom of surge chamber 7 and excessive glue conduit 6 weld together, and the other end of the glue conduit 6 that overflows is cecum; Have outlet 8 on the sidewall of excessive glue conduit 6; There is the pipe interface 9 of fixedlying connected with vacuum system on the top of surge chamber 7; The top of the extension 17 of excessive glue conduit 6 is the convex surface seal, fixedly connected by attaching nut 5 with pipe joint 4 in the extension 17 of excessive glue conduit 6, the convex surface seal on the top of extension 17 matches with the seal of the part 13 that is tightly connected of pipe joint 4.
The material that above-mentioned vacuum bag pipe tipping is put is the 45# steel;
The pad of increase one deck and the identical material of vacuum bag film on the vacuum bag film.
The vacuum bag film is selected the 0.05mm thick polyimide film for use, and the sealing joint strip that adopts when vacuum bag film and platform seal is selected SM5160 for use;
During the vacuum bag encapsulation, the vacuum bag film is placed between base and the pressure ring, loads onto pressure ring, with clamp nut each part mentioned above is compressed again.Be connected with vacuum system with metal tube at last and can realize that vacuum bag pipe tipping is put with the reliable of vacuum system and be connected.Experimental condition: autoclave air pressure 1.5MPa, 399 ℃ of air themperatures, 20 hours time.Result of the test: 1/4 cavity volume has been full of resin in the surge chamber, and the vacuum line air guide is normal, and it is intact that sealing is put in the tipping of vacuum bag pipe, and vacuum bag does not have leakage, good product quality.
Embodiment 3
A kind of autoclave forming process is put with the tipping of vacuum bag pipe, and this device comprises substrate 1, pressure ring 2, clamp nut 3, attaching nut 5 and surge chamber 7; Wherein, substrate 1 comprises base 10 and pipe joint 4, and base 10 and pipe joint 4 are formed in one;
Described pipe joint 4 comprises threaded portion 11, retained part 12 and the part 13 that is tightly connected; The part that is tightly connected 13 is sphere or conical surface seal mouth; The center of pipe joint 4 is through hole; The air slot 14 of cross shape is arranged at the bottom of base 10; The upper surface of base 10 has sealed groove 15;
Described pressure ring 2 is one to have the annulus of centre bore, and the lower surface of annulus has twice tenon 16; Base 10 upper surfaces have the twice groove, and the vacuum bag film is installed in the middle of pressure ring 2 and the base 10, match with sealed groove 15 by tenon 16, and by the sealing between clamp nut 3 realization pressure ring 2, vacuum bag film and the bases 10;
The centre bore of described pressure ring 2 is oval;
The monnolithic case of described surge chamber 7 is cylindrical shape; There is excessive glue conduit 6 its inside; One end of excessive glue conduit 6 passes the bottom of surge chamber 7 and extension 17 is arranged, and the bottom of surge chamber 7 and excessive glue conduit 6 weld together, and the other end of the glue conduit 6 that overflows is cecum; Have outlet 8 on the sidewall of excessive glue conduit 6; There is the pipe interface 9 of fixedlying connected with vacuum system on the top of surge chamber 7; The top of the extension 17 of excessive glue conduit 6 is the convex surface seal, fixedly connected by attaching nut 5 with pipe joint 4 in the extension 17 of excessive glue conduit 6, the convex surface seal on the top of extension 17 matches with the seal of the part 13 that is tightly connected of pipe joint 4.
The material that above-mentioned vacuum bag pipe tipping is put is the 45# steel;
On the vacuum bag film, can increase the pad with the identical material of vacuum bag film.
The vacuum bag film is selected the 0.075mm thick polyimide film for use, and the sealing joint strip that adopts when vacuum bag film and platform seal is selected SM5160 for use;
During the vacuum bag encapsulation, the vacuum bag film is placed between base and the pressure ring, loads onto pressure ring, with nut each part mentioned above is compressed again.Be connected with vacuum system with metal tube at last and can realize that vacuum bag pipe tipping is put with the reliable of vacuum system and be connected.Experimental condition: autoclave air pressure 1.5MPa, 399 ℃ of air themperatures, 20 hours time.Result of the test: surge chamber 1/4 cavity volume has been full of resin, and the vacuum line air guide is normal, and it is intact that sealing is put in the tipping of vacuum bag pipe, and vacuum bag does not have leakage, good product quality.
Embodiment 4
A kind of autoclave forming process is put with the tipping of vacuum bag pipe, and this device comprises substrate 1, pressure ring 2, clamp nut 3, attaching nut 5 and surge chamber 7; Wherein, substrate 1 comprises base 10 and pipe joint 4, and base 10 and pipe joint 4 are formed in one;
Described pipe joint 4 comprises threaded portion 11, retained part 12 and the part 13 that is tightly connected; The part that is tightly connected 13 is sphere or conical surface seal mouth; The center of pipe joint 4 is through hole; The air slot 14 of cross shape is arranged at the bottom of base 10; The upper surface of base 10 has sealed groove 15;
Described pressure ring 2 is one to have the annulus of centre bore, and the lower surface of annulus has twice tenon 16; Base 10 upper surfaces have the twice groove, and the vacuum bag film is installed in the middle of pressure ring 2 and the base 10, match with sealed groove 15 by tenon 16, and by the sealing between clamp nut 3 realization pressure ring 2, vacuum bag film and the bases 10;
The centre bore of described pressure ring 2 is oval;
The monnolithic case of described surge chamber 7 is cylindrical shape; There is excessive glue conduit 6 its inside; One end of excessive glue conduit 6 passes the bottom of surge chamber 7 and extension 17 is arranged, and the bottom of surge chamber 7 and excessive glue conduit 6 weld together, and the other end of the glue conduit 6 that overflows is cecum; Have outlet 8 on the sidewall of excessive glue conduit 6; There is the pipe interface 9 of fixedlying connected with vacuum system on the top of surge chamber 7; The top of the extension 17 of excessive glue conduit 6 is the convex surface seal, fixedly connected by attaching nut 5 with pipe joint 4 in the extension 17 of excessive glue conduit 6, the convex surface seal on the top of extension 17 matches with the seal of the part 13 that is tightly connected of pipe joint 4.
The material that above-mentioned vacuum bag pipe tipping is put is stainless steel;
Respectively increase the pad of one deck and the identical material of vacuum bag film in the top and bottom of vacuum bag film.
The vacuum bag film is selected the 0.05mm thick polyimide film for use, and the sealing joint strip that adopts when vacuum bag film and platform seal is selected SM5160 for use;
During the vacuum bag encapsulation, the vacuum bag film is placed between base and the pressure ring, loads onto pressure ring, with nut each part mentioned above is compressed again.Be connected with vacuum system with vacuum metal pipe at last and can realize that vacuum bag pipe tipping is put with the reliable of vacuum system and be connected.Experimental condition: autoclave air pressure 1.0MPa, 260 ℃ of air themperatures, 16 hours time.Result of the test: the surge chamber cavity does not have resin, and the vacuum line air guide is normal, and it is intact that sealing is put in the tipping of vacuum bag pipe, and vacuum bag does not have leakage, good product quality.
Embodiment 5
A kind of autoclave forming process is put with the tipping of vacuum bag pipe, and this device comprises substrate 1, pressure ring 2, clamp nut 3, attaching nut 5 and surge chamber 7; Wherein, substrate 1 comprises base 10 and pipe joint 4, and base 10 and pipe joint 4 are formed in one;
Described pipe joint 4 comprises threaded portion 11, retained part 12 and the part 13 that is tightly connected; The part that is tightly connected 13 is sphere or conical surface seal mouth; The center of pipe joint 4 is through hole; The air slot 14 of cross shape is arranged at the bottom of base 10; The upper surface of base 10 has sealed groove 15;
Described pressure ring 2 is one to have the annulus of centre bore, and the lower surface of annulus has tenon 16 one; Base 10 upper surfaces have groove one, and the vacuum bag film is installed in the middle of pressure ring 2 and the base 10, match with sealed groove 15 by tenon 16, and by the sealing between clamp nut 3 realization pressure ring 2, vacuum bag film and the bases 10;
The centre bore of described pressure ring 2 is circular;
The monnolithic case of described surge chamber 7 is cylindrical shape; There is excessive glue conduit 6 its inside; One end of excessive glue conduit 6 passes the bottom of surge chamber 7 and extension 17 is arranged, and the bottom of surge chamber 7 and excessive glue conduit 6 weld together, and the other end of the glue conduit 6 that overflows is cecum; Have outlet 8 on the sidewall of excessive glue conduit 6; There is the pipe interface 9 of fixedlying connected with vacuum system on the top of surge chamber 7; The top of the extension 17 of excessive glue conduit 6 is the convex surface seal, fixedly connected by attaching nut 5 with pipe joint 4 in the extension 17 of excessive glue conduit 6, the convex surface seal on the top of extension 17 matches with the seal of the part 13 that is tightly connected of pipe joint 4.
Above-mentioned vacuum bag pipe tipping is put and is adopted aluminium 1035 to make;
The vacuum bag film is selected the thick HS6262 nylon film of 0.075mm for use, and the sealing joint strip that adopts when vacuum bag film and platform seal is selected SM9151 for use; The vacuum bag film is placed between base and the pressure ring, loads onto pressure ring, with clamp nut each part mentioned above is compressed again.Be connected with vacuum system with metal tube at last and can realize that vacuum bag pipe tipping is put with the reliable of vacuum system and be connected.Experimental condition: autoclave air pressure 0.5MPa, 180 ℃ of air themperatures, 12 hours time.Result of the test: 4/5 cavity volume has been full of resin in the surge chamber, and the vacuum line air guide is normal, and it is intact that sealing is put in the tipping of vacuum bag pipe, and vacuum bag does not have leakage, good product quality.
Embodiment 6
Same with embodiment 1, its difference is: the tenon 16 of pressure ring 2 lower surfaces is 2; The sealed groove 15 of base 10 upper surfaces is 2, matches with the tenon 16 of pressure ring 2 lower surfaces, as shown in Figure 5 and Figure 6.
Embodiment 7
Same with embodiment 1, its difference is: the tenon 16 of pressure ring 2 lower surfaces is 3; The sealed groove 15 of base 10 upper surfaces is 3, matches with the tenon 16 of pressure ring 2 lower surfaces, as shown in Figure 7 and Figure 8.

Claims (7)

1. an autoclave forming process is put with the tipping of vacuum bag pipe, and it is characterized in that: this device comprises substrate (1), pressure ring (2), clamp nut (3), attaching nut (5) and surge chamber (7); Wherein, substrate (1) comprises base (10) and pipe joint (4), and base (10) and pipe joint (4) are formed in one;
Described pipe joint (4) comprises threaded portion (11), retained part (12) and is tightly connected part (13); The part (13) that is tightly connected is sphere or conical surface seal mouth; The center of pipe joint (4) is through hole; The air slot (14) that links to each other with central through hole is arranged at the bottom of base (10), and is communicated with centre bore; The upper surface of base (10) has sealed groove (15);
Described pressure ring (2) is one to have the annulus of centre bore, and the lower surface of annulus has tenon (16); The vacuum bag film is installed in the middle of pressure ring (2) and the base (10), matches with sealed groove (15) by tenon (16), and by the sealing between clamp nut (3) realization pressure ring (2), vacuum bag film and the base (10);
The equipped structure of the centre bore of described pressure ring (2) and pipe joint (4) adapts;
The monnolithic case of described surge chamber (7) is cylindrical shape; There is excessive glue conduit (6) its inside; One end of excessive glue conduit (6) passes the bottom of surge chamber (7) and extension (17) is arranged, and the bottom of surge chamber (7) and excessive glue conduit (6) weld together, and the other end of the glue conduit (6) that overflows is cecum; Have outlet (8) on the sidewall of excessive glue conduit (6); There is the pipe interface (9) of fixedlying connected with vacuum system on the top of surge chamber (7); The top of the extension (17) of excessive glue conduit (6) is the convex surface seal, fixedly connected by attaching nut (5) with pipe joint (4) in the extension (17) of excessive glue conduit (6), the convex surface seal on the top of extension (17) matches with the seal of the part (13) that is tightly connected of pipe joint (4).
2. a kind of autoclave forming process according to claim 1 is put with vacuum bag pipe tipping, it is characterized in that: described air slot (14) be shaped as cross.
3. a kind of autoclave forming process according to claim 1 is put with the tipping of vacuum bag pipe, and it is characterized in that: sealed groove (15) is more than 1.
4. a kind of autoclave forming process according to claim 1 is put with the tipping of vacuum bag pipe, and it is characterized in that: tenon (16) is more than 1.
5. a kind of autoclave forming process according to claim 1 is put with vacuum bag pipe tipping, it is characterized in that: the centre bore of pressure ring (2) is circular, square, rectangle or ellipse.
6. a kind of autoclave forming process according to claim 1 is put with vacuum bag pipe tipping, it is characterized in that: on the vacuum bag film or below single face increase and 1~3 on the pad of the identical material of vacuum bag film.
7. a kind of autoclave forming process according to claim 1 is put with vacuum bag pipe tipping, it is characterized in that: on the vacuum bag film with 1~3 on the pad of following two-sided increase and the identical material of vacuum bag film.
CN 201320154644 2013-03-29 2013-03-29 Vacuum bag pipe connection device for autoclave molding process Expired - Lifetime CN203210696U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320154644 CN203210696U (en) 2013-03-29 2013-03-29 Vacuum bag pipe connection device for autoclave molding process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320154644 CN203210696U (en) 2013-03-29 2013-03-29 Vacuum bag pipe connection device for autoclave molding process

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CN203210696U true CN203210696U (en) 2013-09-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105720372A (en) * 2014-12-01 2016-06-29 深圳光启创新技术有限公司 Slot conformal antenna and manufacturing method thereof
CN110920101A (en) * 2019-10-21 2020-03-27 成都鲁晨新材料科技有限公司 Composite material forming die

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105720372A (en) * 2014-12-01 2016-06-29 深圳光启创新技术有限公司 Slot conformal antenna and manufacturing method thereof
CN105720372B (en) * 2014-12-01 2019-07-05 深圳光启创新技术有限公司 A kind of gap conformal antenna and its manufacturing method
CN110920101A (en) * 2019-10-21 2020-03-27 成都鲁晨新材料科技有限公司 Composite material forming die

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Granted publication date: 20130925