CN213055776U - Large-size hollow aircraft sealing strip flattening joint device - Google Patents
Large-size hollow aircraft sealing strip flattening joint device Download PDFInfo
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- CN213055776U CN213055776U CN202021537299.1U CN202021537299U CN213055776U CN 213055776 U CN213055776 U CN 213055776U CN 202021537299 U CN202021537299 U CN 202021537299U CN 213055776 U CN213055776 U CN 213055776U
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Abstract
The utility model discloses a large-size hollow aircraft sealing strip flattening joint device, which comprises an upper die, a middle die, a bottom die, a die core, a side middle die and a positioning die; the upper die, the middle die and the bottom die of the die are sequentially opposite from top to bottom and are connected with the connecting piece through holes opposite to the upper die, the middle die and the bottom die; a liquid glue storage and injection cavity is formed between the upper die and the middle die of the die, a liquid glue injection channel is arranged on the middle die of the die, a die cavity is formed in the upper surface of the bottom die of the die, the die core is located inside the die cavity, and the liquid glue storage and injection cavity, the liquid glue injection channel and the die core are communicated. The utility model discloses the device adopts the injection mode can be better the control joint the time the addition of sizing material, reduces the joint portion distortion and the emergence of the sunken condition, and the joint portion uses the high mobility that liquid silicone rubber can make full use of liquid glue simultaneously, guarantees its evenly distributed at the joint position to further promote product joint surface quality and joint strength.
Description
Technical Field
The utility model relates to a rubber spare mould technical field especially relates to a jumbo size cavity aircraft sealing strip levels piecing devices.
Background
The existing large-size hollow aircraft sealing strip products are all manufactured by adopting integral dies, the die processing cost is high, and the sealing strip is high in development and processing cost in model development because the die tooling cannot be shared by each sealing strip due to the difference of the external dimensions.
In the prior art, part of products are manufactured by means of segmented vulcanization and splicing molding, referring to fig. 1, two ends of two sections of sealing tape main bodies are connected into a whole with a closed loop structure through joint parts, typical products are sealing tapes of airplane boarding doors and cargo hold doors, but the surface quality of the joint parts of the sealing tapes is poor, the sealing tapes are twisted and uneven, and the joint strength is low.
Disclosure of Invention
The utility model provides a jumbo size cavity aircraft sealing strip levels piecing devices solves at present when jumbo size cavity aircraft sealing strip vulcanizes, vulcanizes because of the concatenation and connect surperficial appearance quality poor at the regional formation of sealing strip joint, and sealing strip distortion unevenness connects the problem that intensity is low.
In order to achieve the above object, the present invention provides a technical solution:
a large-size hollow aircraft sealing strip flattening joint device comprises an upper die, a middle die, a bottom die, a die core, a side middle die and a positioning die; the upper die, the middle die and the bottom die of the die are sequentially opposite from top to bottom and are connected with the connecting piece through holes opposite to the upper die, the middle die and the bottom die; the liquid glue storage injection-molding cavity is formed between the upper die and the middle die of the die, the liquid glue injection-molding channel is arranged on the middle die of the die, the die cavity is formed in the upper surface of the die bottom die of the die, the die core is located inside the die cavity, and the liquid glue storage injection-molding cavity, the liquid glue injection-molding channel and the die core are communicated.
Furthermore, a mold side middle mold and a positioning mold are arranged between the mold middle mold and the mold bottom mold, the mold side middle mold and the positioning mold are closely adjacent to the mold core, and the mold side middle mold and the positioning mold are connected with the mold bottom mold through screws.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses the device adopts the injection mode can be better the control joint the time the addition of sizing material, reduces the joint portion distortion and the emergence of the sunken condition, and the joint portion uses the high mobility that liquid silicone rubber can make full use of liquid glue simultaneously, guarantees its evenly distributed at the joint position to further promote product joint surface quality and joint strength.
Drawings
FIG. 1 is a schematic view of the joint location of a large size hollow aircraft sealing strip;
FIG. 2 is a schematic view of the apparatus of the present invention before mold closing;
FIG. 3 is a schematic view of the apparatus of the present invention after mold closing;
in the figure, 1-upper mould, 2-middle mould, 3-bottom mould, 4-mould core, 5-side middle mould and positioning mould, 6-liquid glue injection channel, 7-liquid glue storage injection cavity, 8-sealing strip and 9-joint part.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances.
The utility model discloses jumbo size cavity aircraft sealing strip levels piecing devices's research and development is when vulcanizing at jumbo size cavity aircraft sealing strip for solving at present, because of the concatenation vulcanizes the problem that joint surface appearance quality is low at the regional formation of sealing strip joint, and sealing strip distortion unevenness connects intensity to hang down.
The utility model discloses a to the improvement of joint device, the sizing material addition at joint position when adopting the accurate control sealing tape joint of the mode of notes pressure, eliminate the sealing tape joint department distortion and the unevenness that produces when connecting the glue too much, defect and the unevenness phenomenon of sealing tape joint department when too little.
The joint part is made of low-viscosity liquid silicone rubber and is subjected to thickening compounding, so that the strength of the joint part after vulcanization is at a level consistent with that of the other parts of the seal tape.
Referring to fig. 1, fig. 1 is a schematic diagram of the joint position of the large-size hollow aircraft sealing strip made by the present invention, and two ends of the sealing strip 8 are connected into a whole with a closed loop structure through the joint part 9.
Referring to fig. 2 and 3, the sealing strip flattening joint device for the large-size hollow aircraft comprises an upper die 1, a middle die 2, a bottom die 3, a die core 4, side middle dies and a positioning die 5; the upper die 1, the middle die 2 and the bottom die 3 of the die are sequentially opposite from top to bottom and are connected with the connecting piece through holes opposite to the through holes; constitute liquid glue storage pressure injection chamber 7 between mould 1 in the mould and the mould 2 in the mould, set up liquid glue injection passageway 6 in the mould on 2, open the upper surface of mould die block 3 has the die cavity, and mould core 4 is located the inside of die cavity, liquid glue storage pressure injection chamber 7, liquid glue pressure injection passageway 6 and mould core 4 intercommunication.
A mold side middle mold and a positioning mold 5 are arranged between the mold side middle mold 2 and the mold bottom mold 3, the mold side middle mold and the positioning mold 5 are closely adjacent to a mold core 4, and the mold side middle mold and the positioning mold 5 are connected with the mold bottom mold 3 through screws.
Liquid glue is filled into the liquid glue storage injection cavity 7 according to the calculated amount before die assembly, the liquid glue required by the joint after die assembly uniformly flows to the joint of the sealing strip through the liquid glue injection channel 7, and the sealing strip is formed into a flat sealing strip joint after hot-pressing vulcanization, so that the sealing strip is connected into a whole with a closed loop structure.
The utility model discloses through verifying in jumbo size sealing strip trial production such as the gate of boarding at MA700 and other models, goods hatch door, sealing strip surface quality has obvious promotion than technology in the past, and the sealing strip of manufacturing is experimental through the installation, and is sealed respond well. The device can solve the problem that the large-size hollow sealing tape is limited by a large-size integral die during molding, and can effectively save the die cost.
The above description is only the specific embodiments of the present invention, but the structural features of the present invention are not limited thereto, the present invention can be used in similar products, and any person skilled in the art is in the field of the present invention, and all the changes or modifications made are covered by the claims of the present invention.
Claims (2)
1. A large-size hollow aircraft sealing strip flattening joint device is characterized by comprising an upper die (1), a middle die (2), a bottom die (3), a die core (4), side middle dies and a positioning die (5); the upper die (1), the middle die (2) and the bottom die (3) of the die are sequentially opposite from top to bottom and are connected with the connecting piece through holes opposite to the through holes; mould (1) and mould in the mould between mould (2) constitute liquid glue storage injection pressure chamber (7), set up liquid glue injection pressure passageway (6) in the mould on mould (2), the upper surface of mould die block (3) is opened there is the die cavity, and mould core (4) are located the inside of die cavity, liquid glue storage injection pressure chamber (7), liquid glue injection pressure passageway (6) and mould core (4) intercommunication.
2. The large-size hollow aircraft sealing strip flat joint device according to claim 1, characterized in that a mold side middle mold and positioning mold (5) is arranged between the mold middle mold (2) and the mold bottom mold (3), the mold side middle mold and positioning mold (5) is closely adjacent to the mold core (4), and the mold side middle mold and positioning mold (5) is connected with the mold bottom mold (3) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021537299.1U CN213055776U (en) | 2020-07-29 | 2020-07-29 | Large-size hollow aircraft sealing strip flattening joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021537299.1U CN213055776U (en) | 2020-07-29 | 2020-07-29 | Large-size hollow aircraft sealing strip flattening joint device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213055776U true CN213055776U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021537299.1U Active CN213055776U (en) | 2020-07-29 | 2020-07-29 | Large-size hollow aircraft sealing strip flattening joint device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414938A (en) * | 2021-07-07 | 2021-09-21 | 黄河勘测规划设计研究院有限公司 | Veneering type multi-flange water stop belt vulcanization joint device and vulcanization joint manufacturing method |
-
2020
- 2020-07-29 CN CN202021537299.1U patent/CN213055776U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414938A (en) * | 2021-07-07 | 2021-09-21 | 黄河勘测规划设计研究院有限公司 | Veneering type multi-flange water stop belt vulcanization joint device and vulcanization joint manufacturing method |
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