CN111331179B - 3D printing drill plate for self-adaptive airplane curved surface skin hole making - Google Patents
3D printing drill plate for self-adaptive airplane curved surface skin hole making Download PDFInfo
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- CN111331179B CN111331179B CN202010100291.7A CN202010100291A CN111331179B CN 111331179 B CN111331179 B CN 111331179B CN 202010100291 A CN202010100291 A CN 202010100291A CN 111331179 B CN111331179 B CN 111331179B
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- surface skin
- curved surface
- drilling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
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Abstract
The invention discloses a self-adaptive 3D printing drill jig plate for drilling holes in a curved surface skin of an airplane, which comprises an attaching plate, a guide rail and a plurality of rib plates, wherein the curvature of the attaching plate is equal to that of the curved surface skin of the airplane, a plurality of normal vector drill sleeve holes are arranged on the attaching plate, the axial direction of the normal vector drill sleeve holes is consistent with the normal vector of the drilling positions on the curved surface skin of the airplane, one ends of the rib plates are fixedly connected with the attaching plate, the other ends of the rib plates are fixedly connected with the guide rail, the curvature of the guide rail is equal to that of the curved surface skin of the airplane, and the guide rail is used for installing an automatic hole-drilling robot. The invention enables the 3D printing drill jig plate to be adaptive to the airplane curved surface skin with any curvature, thereby achieving the purposes of accurate guiding and hole making and improving the efficiency, the precision and the quality of the airplane curved surface skin hole making.
Description
Technical Field
The invention relates to the technical field of drilling of aircraft curved surface skins, in particular to a 3D printing drill plate for self-adaptive drilling of aircraft curved surface skins.
Background
In the fields of mechanical manufacturing and automation of rapid development of various hole making technologies, corresponding hole making requirements and levels are higher and higher, particularly in the field of aerospace, the plane curved surface skin hole making technology directly determines the performances of various models of planes such as domestic C919 and ARJ21, fighter 20 and the like, and bears the important responsibility for solving the national requirements and the neck clamping and clamped problems. The technology for manufacturing holes on the curved surface skin of the airplane is taken as the core technology of aerospace, and the national aerospace level is directly reflected. In the manufacturing and assembling process of the airplane, thousands of millions of holes are included, and the connecting holes are still the most important way for connecting the structural members of the airplane, which directly affects the fatigue life and the safety performance of the airplane and other flight performances related to the airplane.
The aircraft curved surface skin is used as an important component of an aircraft, and holes need to be formed in the aircraft curved surface skin in the aircraft assembly and manufacturing process so as to realize riveting of the skin and the framework. At present, a feed guiding hole making process mainly adopts the attachment of a drilling template and ensures the precision and quality of manual hole making. The traditional drilling template is designed and manufactured based on a machining mode, the time period is long, the cost is high, the interchangeability is low, technical errors and manual errors in the production and manufacturing process are more, and the aircraft curved surface skin with a complex profile cannot be self-adapted. Moreover, the drilling of the aircraft curved surface skin is a work with large repeatability, the precision cannot be ensured by adopting the traditional drill plate attaching and manual drilling process, and the drilling difficulty can be increased when the aircraft curved surface skin with a complex profile is dealt with. Therefore, it is highly desirable to design a curved skin that can adapt to an aircraft with any curvature.
Disclosure of Invention
The invention aims to provide a 3D printing drill jig plate for self-adapting hole making of aircraft curved surface skin, which aims to solve the problems in the prior art, and the 3D printing drill jig plate can realize self-adaptation with the aircraft curved surface skin with any curvature, so that the aims of accurate guiding and hole making are fulfilled, and the efficiency, the accuracy and the quality of the hole making of the aircraft curved surface skin are improved.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a self-adaptive 3D printing drill jig plate for drilling holes in a curved surface skin of an airplane, which comprises an attaching plate, a guide rail and a plurality of rib plates, wherein the curvature of the attaching plate is equal to that of the curved surface skin of the airplane, a plurality of normal vector drill sleeve holes are formed in the attaching plate, the axial direction of the normal vector drill sleeve holes is consistent with the normal vector of the drilling positions in the curved surface skin of the airplane, one ends of the rib plates are fixedly connected with the attaching plate, the other ends of the rib plates are fixedly connected with the guide rail, the curvature of the guide rail is equal to that of the curved surface skin of the airplane, and the guide rail is used for installing an automatic hole-drilling robot.
Preferably, the guide rail is two, two the guide rail about the central line symmetry of laminating board sets up, and is a plurality of floor evenly distributed is in the both sides of laminating board, two arbitrary relative settings in both sides of laminating board the floor about the central line symmetry of laminating board, one the guide rail and one side the equal fixed connection of floor, another the guide rail and opposite side the equal fixed connection of floor.
Preferably, the ribbed slab includes one portion of buckling and two portions of buckling, the horizontal segment of the one portion of buckling with guide rail fixed connection, the vertical section of the one portion of buckling with the vertical section of the two portions of buckling is through the smooth transition connection of slope section, the upper end of slope section is kept away from the central line of guide rail, the horizontal segment of the two portions of buckling with attaching plate fixed connection.
Preferably, the cross-sectional shape of the guide rail is circular.
Preferably, the outer side wall of the guide rail is provided with a guide groove, the curvature of the guide groove is equal to that of the aircraft curved surface skin, and the guide groove is used for installing the automatic hole making robot.
Preferably, a rack is fixedly installed in the guide groove, the curvature of the rack is equal to that of the aircraft curved skin, and the rack is used for being meshed with a moving mechanism of the automatic hole making robot.
Preferably, the attaching plate, the guide rail and the rib plate are all integrally formed and manufactured by adopting a 3D printing technology.
Preferably, the attaching plate, the guide rail and the rib plate are all made of nylon PA12 material.
Compared with the prior art, the invention has the following technical effects:
when the method is applied, the attaching plate is attached to the aircraft skin with any curvature in a fully self-adaptive seamless mode, the guide rail can carry the automatic hole making robot, the automatic hole making robot is installed on the guide rail and moves under the guiding action of the guide rail, and the automatic hole making robot installed on the guide rail carries out precise hole making operation, so that the purposes of precise guiding and hole making are achieved, and the efficiency, the precision and the quality of hole making of the aircraft curved surface skin are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments 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 it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is an axonometric view of a 3D printing drilling template for drilling a curved surface skin of an adaptive airplane in the embodiment.
FIG. 2 is a schematic cross-sectional view of a 3D printing drilling template for hole making of a curved surface skin of an adaptive aircraft in the embodiment.
FIG. 3 is a schematic diagram of a 3D printing drilling template for hole making of the curved surface skin of the adaptive aircraft in the embodiment.
Fig. 4 is a schematic diagram of application case one.
Fig. 5 is a schematic diagram of application case two.
The aircraft curved surface skin comprises, by weight, 1-an attaching plate, 2-a sagittal drill trepanning, 3-a ribbed plate, 4-a guide rail, 5-a guide groove, 6-a rack, 7-an aircraft curved surface skin I (curvature is 1/900) and 8-an aircraft curved surface skin II (curvature is 0).
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Examples
As shown in fig. 1-3: the embodiment provides a self-adaptive 3D printing drilling template for drilling holes in aircraft curved-surface skins, which comprises an attaching plate 1, a guide rail 4 and a plurality of rib plates 3, wherein the curvature of the attaching plate 1 is equal to that of the aircraft curved-surface skins, the attaching plate 1 is provided with a plurality of normal-vector drilling sleeve holes 2, the axial direction of the normal-vector drilling sleeve holes 2 is consistent with the normal vector of the drilling positions in the aircraft curved-surface skins so as to ensure accurate guiding in the drilling feeding process, one ends of the plurality of rib plates 3 are fixedly connected with the attaching plate 1, the other ends of the plurality of rib plates 3 are fixedly connected with the guide rail 4, the curvature of the guide rail 4 is equal to that of the aircraft curved-surface skins, and the guide rail 4 is used for installing an automatic hole drilling robot, wherein the automatic hole drilling robot is an existing technology, and in specific application, the guide rail 4 provides an installation position for the automatic hole drilling robot, namely a moving part (such as a pulley, a lead screw or a gear, etc.) is mounted on the guide rail 4 and can move on the guide rail 4. The attaching plate 1 is attached to the curved surface skin of the airplane in a fully self-adaptive seamless mode, and the automatic hole making robot moves under the guiding action of the guide rail 4, so that the automatic hole making robot installed on the guide rail can perform precise hole making operation.
In this embodiment, the rib plate 3 includes a first bending portion and a second bending portion, and as shown in fig. 2, the horizontal section of the first bending portion is fixedly connected to the guide rail 4, the vertical section of the first bending portion and the vertical section of the second bending portion are connected through a smooth transition of an inclined section, the upper end of the inclined section is far away from the center line of the guide rail 4, and the horizontal section of the second bending portion is fixedly connected to the attachment plate 1, so as to improve the strength of the 3D printing jig plate.
In the present embodiment, the cross-sectional shape of the guide rail 4 is circular. In the embodiment, as shown in fig. 2, the cross section of the guide rail 4 is circular, the outer side wall of the guide rail 4 is provided with a guide groove 5, the curvature of the guide groove 5 is equal to that of the aircraft curved skin, the guide groove 5 is used for installing an automatic hole making robot, and a moving part for installing the automatic hole making robot can be carried in the guide groove 5, so that the automatic hole making robot moves along the guide rail 4, and the moving guide of the automatic hole making robot is realized. Preferably, as shown in fig. 3, a rack 6 is fixedly installed in the guide groove 5, the curvature of the rack 6 is equal to that of the curved skin of the aircraft, and the rack 6 is used for being meshed with a moving part of the automatic hole drilling robot, so that the automatic hole drilling robot installed on the guide rail can perform precise hole drilling operation by means of the guiding action of the guide rail 4 and the guiding movement of the rack 6 on the guide groove 5.
In this embodiment, attaching plate 1, guide rail 4 and floor 3 are integrated into one piece and adopt 3D printing technique to make, and is preferred, and attaching plate 1, guide rail 4 and floor 3 all adopt nylon PA12 material to make, can rapid prototyping, and the copy of accurate completion digifax entity more can produce the bushing plate who is adapted to complicated aircraft curved surface covering, can also overcome defects such as traditional bushing plate processing degree of difficulty, high in production cost and production cycle length.
Further, this embodiment guide rail 4 is two, and two guide rails 4 set up about the central line symmetry of attaching plate 1, and a plurality of floor 3 evenly distributed are in attaching plate 1's both sides, and floor 3 about attaching plate 1's the central line symmetry of two arbitrary relative settings in attaching plate 1's both sides, a guide rail 4 and the equal fixed connection of floor 3 of one side, the equal fixed connection of floor 3 of another guide rail 4 and opposite side, and at this moment, the guide way 5 on two guide rails 4 is about attaching plate 1's central line symmetry. Install automatic system hole robot's moving mechanism on two guide rails 4, can increase guide rail 4's bearing capacity, effectively strengthen the intensity that 3D printed the bushing plate to can prevent automatic system hole robot and take place the skew at the removal process, keep automatic system hole robot to move along the length direction steadily of two guide rails 4 all the time promptly, in order to realize automatic system hole robot's accurate operation.
Application case 1
As shown in fig. 4: the present application case applies the 3D printing jig plate in the above embodiment, and assumes that the curvature of the aircraft curved skin one 7 required to make the hole is 1/900. The 3D printing drill jig plate is designed according to the curvature of the first aircraft curved surface skin 7, the curvatures of the designed attaching plate 1, the guide rail 4 and the guide groove 5 are consistent with the curvature of the first aircraft curved surface skin 7, and the 3D printing technology is utilized to perform rapid integrated forming after the design. The attaching plate 1 is attached to the curved-surface skin of the airplane in a fully self-adaptive seamless mode, and the automatic hole making robot installed on the guide rail is enabled to perform accurate hole making operation by means of the guiding effect of the guide rail 4 and the guiding movement of the rack 6 on the guide groove 5.
Application case two
As shown in fig. 5: the application case applies the 3D printing drilling template in the above embodiment, and assumes that the curvature of the aircraft curved skin two 8 required to make the hole is 0. The 3D printing drill jig plate is designed according to the curvature of the second aircraft curved surface skin 8, the curvatures of the attaching plate 1, the guide rail 4 and the guide groove 5 are designed to be consistent with the curvature of the second aircraft curved surface skin 8, and the two attaching drill jig plates are quickly and integrally formed by using a 3D printing technology after being designed. The attaching plate 1 is attached to the curved-surface skin of the airplane in a fully self-adaptive seamless mode, and the automatic hole making robot installed on the guide rail is enabled to perform accurate hole making operation by means of the guiding effect of the guide rail 4 and the guiding movement of the rack 6 on the guide groove 5.
It should be noted that the curvatures of the aircraft curved skin in the first application case and the second application case are assumed to be 1/900 and 0, respectively, but the above embodiment is not limited to the aircraft curved skin with the two curvatures.
The 3D printing drilling template in the embodiment is suitable for a hole making process of aircraft curved surface skin, the attaching plate 1 and the aircraft curved surface skin with any curvature can be attached in a fully self-adaptive seamless mode by adopting the 3D printing technology for integrated forming, the movable guide rail 4 capable of being mounted is provided for the automatic hole making robot, automatic hole making of the aircraft curved surface skin with any curvature is achieved, and efficiency, accuracy and quality of hole making of the aircraft curved surface skin are improved. And, adopt 3D printing technique integrated into one piece, can the rapid prototyping, the duplication of accurate completion digifax entity more can produce the bushing plate that is adapted to complicated aircraft curved surface covering, can also overcome defects such as traditional bushing plate processing degree of difficulty, high in production cost and production cycle length.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (6)
1. The utility model provides a 3D who self-adaptation aircraft curved surface covering system hole prints bushing plate which characterized in that: the laminating machine comprises a laminating plate, a guide rail and a plurality of rib plates, wherein the curvature of the laminating plate is equal to that of aircraft curved-surface skin, the laminating plate is provided with a plurality of normal-vector drill sleeve holes, the axial direction of the normal-vector drill sleeve holes is consistent with the normal vector of the drilling positions on the aircraft curved-surface skin, one ends of the rib plates are fixedly connected with the laminating plate, the other ends of the rib plates are fixedly connected with the guide rail, the curvature of the guide rail is equal to that of the aircraft curved-surface skin, the guide rail is used for installing an automatic drilling robot, the number of the guide rail is two, the two guide rails are symmetrically arranged relative to the central line of the laminating plate, the rib plates are uniformly distributed on the two sides of the laminating plate, the two rib plates which are arranged in any two opposite directions on the two sides of the laminating plate are symmetrical relative to the central line of the laminating plate, and the guide rail is fixedly connected with the rib plates on one side, the other guide rail is fixedly connected with the ribbed plate on the other side; the attaching plate, the guide rail and the rib plate are all integrally formed and are manufactured by adopting a 3D printing technology.
2. The adaptive 3D printing drilling template for drilling holes in curved surface skin of the airplane as claimed in claim 1, wherein the drilling template comprises: the floor includes one and two portions of buckling, the horizontal segment of one portion of buckling with guide rail fixed connection, the vertical section of one portion of buckling with the vertical section of two portions of buckling is through slope section smooth transition connection, the upper end of slope section is kept away from the central line of guide rail, the horizontal segment of two portions of buckling with attaching plate fixed connection.
3. The adaptive 3D printing drilling template for drilling holes in curved surface skin of the airplane as claimed in claim 1, wherein the drilling template comprises: the cross section of the guide rail is circular.
4. The adaptive 3D printing drill plate for drilling holes in aircraft curved skin according to claim 3, wherein the drill plate comprises: the outer side wall of the guide rail is provided with a guide groove, the curvature of the guide groove is equal to that of the aircraft curved surface skin, and the guide groove is internally used for installing a moving mechanism of the automatic hole making robot.
5. The adaptive 3D printing drilling template for drilling holes in curved surface skin of the airplane as claimed in claim 4, wherein the drilling template comprises: and a rack is fixedly arranged in the guide groove, the curvature of the rack is equal to that of the aircraft curved-surface skin, and the rack is used for being meshed with the moving mechanism of the automatic hole making robot.
6. The adaptive 3D printing drilling template for drilling holes in curved surface skin of the airplane as claimed in claim 1, wherein the drilling template comprises: the attaching plate, the guide rail and the rib plate are all made of nylon PA12 materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010100291.7A CN111331179B (en) | 2020-02-18 | 2020-02-18 | 3D printing drill plate for self-adaptive airplane curved surface skin hole making |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010100291.7A CN111331179B (en) | 2020-02-18 | 2020-02-18 | 3D printing drill plate for self-adaptive airplane curved surface skin hole making |
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| Publication Number | Publication Date |
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| CN111331179A CN111331179A (en) | 2020-06-26 |
| CN111331179B true CN111331179B (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010100291.7A Active CN111331179B (en) | 2020-02-18 | 2020-02-18 | 3D printing drill plate for self-adaptive airplane curved surface skin hole making |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113459199A (en) * | 2021-06-24 | 2021-10-01 | 成都飞机工业（集团）有限责任公司 | Hole making method for porous similar skin part |
| CN115106566B (en) * | 2022-08-19 | 2023-01-10 | 成都联星技术股份有限公司 | Flexible self-adaptive drilling device |
| CN115365536B (en) * | 2022-08-26 | 2023-05-02 | 上海晋飞碳纤科技股份有限公司 | Multi-part perforating tool and perforating method thereof |
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| CN111331179A (en) | 2020-06-26 |
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