CN114029531B - Hole making method for closed inclined structure intersection point assembly holes - Google Patents
Hole making method for closed inclined structure intersection point assembly holes Download PDFInfo
- Publication number
- CN114029531B CN114029531B CN202111493522.6A CN202111493522A CN114029531B CN 114029531 B CN114029531 B CN 114029531B CN 202111493522 A CN202111493522 A CN 202111493522A CN 114029531 B CN114029531 B CN 114029531B
- Authority
- CN
- China
- Prior art keywords
- drilling template
- drilling
- hole
- joint
- intersection
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000005553 drilling Methods 0.000 claims abstract description 107
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 210000001503 joint Anatomy 0.000 claims description 9
- 229910001069 Ti alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
A hole making method for a closed inclined structure intersection point assembly hole comprises the steps of manufacturing a positive drilling template and a negative drilling template according to a design digital model of the closed inclined structure, wherein the positive drilling template and the negative drilling template are in mirror symmetry and the same in reference, and a plurality of drilling template holes and positioning holes which are in mirror symmetry and matched with the closed inclined structure intersection point assembly hole are respectively arranged on the positive drilling template and the negative drilling template; placing the intersection point joint at an open position, attaching an anti-drilling template to the lower surface of the intersection point joint, and making holes on the intersection point joint according to drilling holes on the anti-drilling template; and (3) attaching the positive drilling template to the upper surface of the assembly body, and making holes on the assembly body according to the drilling holes on the positive drilling template.
Description
Technical Field
The application relates to the technical field of aviation manufacturing assembly, and is particularly suitable for drilling of assembly holes related to intersection points of closed inclined structures in aviation manufacturing assembly, and the assembly holes and assembly precision requirements are guaranteed.
Background
With the development of three-dimensional designs, many closed-slope structures and titanium alloy material joints with complex shapes appear in the design structure of the aircraft (as shown in fig. 1). The closed inclined structure that this application relates to is located narrow and small space, contains joint and assembly. The joint and the assembly body are required to be manufactured with a plurality of coaxial assembly holes, the lower surface of the joint is in fit and butt joint with the upper surface of the assembly body, the joints are important assembly control intersection joints of the aircraft, the assembly hole precision is high, the hole manufacturing tolerance is usually smaller than 0.1 millimeter, the assembly precision requirement is extremely high, the interchangeability requirement is extremely strict, meanwhile, the joint materials are all titanium alloy materials and are required to bear large force, so the parts are generally thicker, and the structure for connecting the joints and the aircraft assembly body is complex in consideration of the weight of the aircraft. The conventional hole making method adopts a drill plate to fix at the outer side of the joint, and then uses an air drill or an automatic feeding drill to make holes by penetrating all interlayers at one time. However, because the joint design is provided with the reinforcing ribs and the reinforcing rib structures, the air drill or the automatic feeding drill cannot be used when the joint is in drilling, meanwhile, the space of the aircraft assembly is narrow, the structure is more complex, and the automatic feeding drill cannot be used for drilling holes from the inside of the assembly, so that the joint connecting holes with high precision cannot be drilled by adopting a conventional drilling method.
Disclosure of Invention
In order to solve the practical problem in the aircraft production, the application provides a hole making method for the closed inclined structure intersection point assembly hole. The method adopts a positive and negative drilling jig with uniform reference to respectively make holes on the back surfaces of the wall plate and the joint.
A hole making method for an intersection point assembly hole of a closed inclined structure is positioned in a narrow space, the closed inclined structure comprises an intersection point joint and an assembly body, a plurality of coaxial intersection point assembly holes are needed to be made on the intersection point joint and the assembly body, the lower surface of the intersection point joint is in fit and butt joint with the upper surface of the assembly body, and the design digital model of the closed inclined structure is known and is characterized by comprising the following contents: 1) Manufacturing a drill jig structure according to a design digital model of the closed-slope structure, wherein the drill jig structure comprises a positive drill jig plate and a negative drill jig plate, the positive drill jig plate and the negative drill jig plate are in mirror symmetry and have the same reference, and a plurality of drill jig holes and positioning holes which are matched with the intersection point assembly holes of the closed-slope structure in mirror symmetry are respectively arranged on the positive drill jig plate and the negative drill jig plate; 2) Under the condition of ensuring the same reference, attaching an anti-drilling template to the lower surface of the intersection joint, and manufacturing a first positioning hole on the lower surface of the intersection joint according to the positioning hole on the anti-drilling template; 3) Pre-assembling the intersection joint and the assembly body on the assembly type frame, and manufacturing a second positioning hole on the assembly body according to the first positioning hole on the intersection joint; 4) Decomposing the preassembled intersection joint and the assembly body, placing the intersection joint at an open position, attaching an anti-drilling template to the lower surface of the intersection joint, positioning and connecting a positioning hole on the anti-drilling template with a first positioning hole on the intersection joint, and drilling holes on the intersection joint according to a drilling template hole on the anti-drilling template; 5) And attaching the positive drilling template to the upper surface of the assembly body, and positioning and connecting the positive drilling template with a second positioning hole on the assembly body through a positioning hole on the positive drilling template, and forming a hole on the assembly body according to the drilling template hole on the positive drilling template.
And drilling holes on the intersection joint by using automatic feeding according to the drilling holes on the anti-drilling template.
And drilling holes on the assembly body by using automatic feeding according to the drilling holes on the positive drilling template.
And a supporting block is arranged on one side of the mirror image surfaces of the positive drilling template and the negative drilling template, and the surfaces of the supporting blocks are arranged on the mirror image surfaces of the positive drilling template and the negative drilling template.
The beneficial effects of this application lie in: the hole is respectively formed on the butt joint surface of the intersection joint and the assembly body through the positive drilling template and the negative drilling template which are in mirror symmetry and the same standard, so that the production difficulty that the automatic feeding drilling cannot be used on the closed inclined structure because the space is not opened is solved. The method can be popularized to drilling of high-precision holes for connecting other closed inclined structures with the assembly body structure.
The present application is described in further detail below with reference to the drawings of embodiments.
Drawings
Fig. 1 is a schematic view of a closed inclined structure intersection assembly hole according to the present application.
FIG. 2 is a schematic diagram of the mirror image relationship of the positive and negative drill plates.
FIG. 3 is a schematic illustration of hole making on an intersection joint using an anti-drill plate.
Fig. 4 is a schematic illustration of hole making on an assembly using a positive bushing plate.
The numbering in the figures illustrates: the drilling tool comprises a joint with a crossing point 1, an assembly body with a crossing point 2, an assembly hole with a crossing point 3, a positive drilling template with a positive drilling template 4, a negative drilling template with a negative drilling template 5, a mirror image surface with a mirror image 6, a drilling template hole with a mirror image 7 and a positioning hole with a mirror image 8.
Detailed Description
Referring to the drawings, the closed inclined structure is located in a narrow space and comprises an intersection joint 1 and an assembly body 2, the lower surface of the intersection joint 1 is in fit and butt joint with the upper surface of the assembly body 2, a plurality of coaxial intersection assembly holes 3 are required to be manufactured on the intersection joint 1 and the assembly body 2, a counter model of the closed inclined structure is known, reinforcing ribs are arranged on the intersection joint 1 in the embodiment, and after the intersection joint 1 and the assembly body are preassembled and positioned in the narrow space of the closed inclined structure on an assembly type frame, the automatic feeding drill cannot be used for manufacturing high-precision intersection assembly holes 3 on the intersection joint 1 and the assembly body 2.
In order to solve the problem, the drilling jig structure is manufactured according to the design digital model of the known closed-loop structure, the drilling jig structure comprises a positive drilling jig plate 4 and a negative drilling jig plate 5, the positive drilling jig plate 4 and the negative drilling jig plate 5 are in mirror symmetry and have the same reference, and a plurality of drilling jig holes 7 and positioning holes 8 which are matched with the closed-loop structure intersection point assembly holes 3 in a mirror image coaxial mode are respectively arranged on the positive drilling jig plate 4 and the negative drilling jig plate 5; in practice, a support block is arranged on one side of the mirror image surfaces 6 of the positive drill plate and the negative drill plate, and the surfaces of the support block are arranged on the mirror image surfaces 6 of the positive drill plate 4 and the negative drill plate 5.
When drilling, the intersection joint 1 is placed in an open environment, and under the condition that the intersection joint 1 and the anti-drilling template 5 are identical in standard, the anti-drilling template 5 is attached to the lower surface of the intersection joint 1, and a first positioning hole is manufactured on the lower surface of the intersection joint 1 according to the positioning hole 8 on the anti-drilling template 5.
And then preassembling the intersection joint 1 and the assembly body 2 on the assembly type frame, and manufacturing a second positioning hole on the assembly body 2 according to the first positioning hole on the intersection joint 1.
And decomposing the preassembled intersection joint 1 and the assembly body 2, placing the intersection joint 1 at the opening position again, attaching the anti-drilling template 5 on the lower surface of the intersection joint 1, positioning and connecting a positioning hole on the anti-drilling template 5 with a first positioning hole on the intersection joint 1, and drilling holes on the intersection joint by using automatic feeding according to a drilling template hole 7 on the anti-drilling template 5.
And finally, attaching the positive drilling template 4 on the upper surface of the assembly body 2, and positioning and connecting the positive drilling template with a second positioning hole on the assembly body 2 through a positioning hole 8 on the positive drilling template 2, and drilling holes on the assembly body by using automatic feeding according to a drilling template hole 7 on the positive drilling template 4.
It is worth to say that the same standard is needed when the positive and negative drilling templates are designed and manufactured, two round pin rods are used for fixing the positive and negative drilling templates together during manufacturing, and then drilling die holes and positioning holes on the positive and negative drilling templates are processed at the same time, so that all holes on the positive and negative drilling templates are ensured to be mirror images and coaxial;
when a positioning hole is manufactured on the lower surface of the intersection joint 1, positioning is performed on the anti-drilling template 5 according to the shape of the intersection joint 1, and then two positioning holes are drilled on the lower surface of the intersection joint 1 through a handheld drill bushing and an air drill by the aid of the positioning holes 8 on the anti-drilling template 5;
according to the method, the intersection joint 1 is installed on the anti-drilling template 5 by using two positioning holes and corresponding positioning pins, as shown in fig. 3, the positive drilling template 5 is installed on the upper surface of the assembly body 2 by using two positioning holes and corresponding positioning pins, as shown in fig. 4, then the intersection assembly holes 3 on the intersection joint 1 and the assembly body 2 of the oblique structure are drilled and closed on the positive drilling template 4 and the anti-drilling template 5 respectively by using automatic feeding drills, so that the construction space of the automatic feeding drills is ensured, the problem that the automatic feeding drills cannot be used on the front of the intersection joint is solved, the purpose of drilling the large-diameter assembly holes on the titanium alloy material is achieved by using the automatic feeding drills, the precision of the assembly holes is ensured, and the labor intensity of operators is relieved.
Claims (4)
1. A hole making method for an intersection point assembly hole of a closed inclined structure is positioned in a narrow space, the closed inclined structure comprises an intersection point joint and an assembly body, a plurality of coaxial intersection point assembly holes are needed to be made on the intersection point joint and the assembly body, the lower surface of the intersection point joint is in fit and butt joint with the upper surface of the assembly body, and the design digital model of the closed inclined structure is known and is characterized by comprising the following contents: 1) Manufacturing a drill jig structure according to a design digital model of the closed-slope structure, wherein the drill jig structure comprises a positive drill jig plate and a negative drill jig plate, the positive drill jig plate and the negative drill jig plate are in mirror symmetry and have the same reference, and a plurality of drill jig holes and positioning holes which are matched with the intersection point assembly holes of the closed-slope structure in mirror symmetry are respectively arranged on the positive drill jig plate and the negative drill jig plate; 2) Under the condition of ensuring the same reference, attaching an anti-drilling template to the lower surface of the intersection joint, and manufacturing a first positioning hole on the lower surface of the intersection joint according to the positioning hole on the anti-drilling template; 3) Pre-assembling the intersection joint and the assembly body on the assembly type frame, and manufacturing a second positioning hole on the assembly body according to the first positioning hole on the intersection joint; 4) Decomposing the preassembled intersection joint and the assembly body, placing the intersection joint at an open position, attaching an anti-drilling template to the lower surface of the intersection joint, positioning and connecting a positioning hole on the anti-drilling template with a first positioning hole on the intersection joint, and drilling holes on the intersection joint according to a drilling template hole on the anti-drilling template; 5) And attaching the positive drilling template to the upper surface of the assembly body, and positioning and connecting the positive drilling template with a second positioning hole on the assembly body through a positioning hole on the positive drilling template, and forming a hole on the assembly body according to the drilling template hole on the positive drilling template.
2. The method of drilling a closed-loop diagonal structure intersection fitting hole according to claim 1, wherein automatic feed drilling is used on the intersection joint according to the drilling of the die hole in the counter-drilling plate.
3. A method of forming a hole in an assembly of intersecting points of a closed loop structure as claimed in claim 1 or claim 2, wherein the hole is formed in the assembly using automatic feed drilling in response to the die hole being formed in the die plate.
4. A method for forming a hole for a closed inclined structure intersection point assembly hole according to claim 3, wherein a supporting block is arranged on one side of the mirror image surfaces of the positive drilling template and the negative drilling template, and the surface of the supporting block is arranged on the mirror image surfaces of the positive drilling template and the negative drilling template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493522.6A CN114029531B (en) | 2021-12-08 | 2021-12-08 | Hole making method for closed inclined structure intersection point assembly holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493522.6A CN114029531B (en) | 2021-12-08 | 2021-12-08 | Hole making method for closed inclined structure intersection point assembly holes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114029531A CN114029531A (en) | 2022-02-11 |
| CN114029531B true CN114029531B (en) | 2023-08-04 |
Family
ID=80146509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111493522.6A Active CN114029531B (en) | 2021-12-08 | 2021-12-08 | Hole making method for closed inclined structure intersection point assembly holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114029531B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117182154B (en) * | 2023-10-24 | 2025-10-31 | 中航沈飞民用飞机有限责任公司 | A drilling jig fixture |
| CN119897500B (en) * | 2025-03-27 | 2025-10-10 | 中车青岛四方机车车辆股份有限公司 | Profiling drilling jig for composite material vehicle body hole making and positioning method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2340946A1 (en) * | 1973-08-13 | 1975-03-06 | Carl Zenses | Cabinet-maker's plug or dowel holing template - is U-shaped with threaded hole and turnscrew in one arm and drill guide-holes |
| CN207194838U (en) * | 2017-09-04 | 2018-04-06 | 卓尔天成工程机械有限公司 | A kind of drilling rod attachment structure |
| CN210232281U (en) * | 2019-07-04 | 2020-04-03 | 常州市华耀智能科技有限公司 | Scooter bottom plate pilot hole processing equipment |
| CN111014762A (en) * | 2019-12-13 | 2020-04-17 | 西安飞机工业（集团）有限责任公司 | Assembly method of connecting assembly of airplane frame and beam |
| CN210789365U (en) * | 2019-09-25 | 2020-06-19 | 宏源精工车轮股份有限公司 | Drill jig |
| CN111774606A (en) * | 2020-08-03 | 2020-10-16 | 福晟五金塑胶（深圳）有限公司 | Deep hole drilling equipment for drilling assembly holes of aluminum profile extruded products |
| CN212635116U (en) * | 2020-07-30 | 2021-03-02 | 湖北首兴机械股份有限公司 | Milling and pulping machine casing pilot hole processingequipment |
| CN113634795A (en) * | 2021-08-27 | 2021-11-12 | 北京曙光航空电气有限责任公司 | Angular positioning device and positioning method of shaft parts based on shaft end square groove |
-
2021
- 2021-12-08 CN CN202111493522.6A patent/CN114029531B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2340946A1 (en) * | 1973-08-13 | 1975-03-06 | Carl Zenses | Cabinet-maker's plug or dowel holing template - is U-shaped with threaded hole and turnscrew in one arm and drill guide-holes |
| CN207194838U (en) * | 2017-09-04 | 2018-04-06 | 卓尔天成工程机械有限公司 | A kind of drilling rod attachment structure |
| CN210232281U (en) * | 2019-07-04 | 2020-04-03 | 常州市华耀智能科技有限公司 | Scooter bottom plate pilot hole processing equipment |
| CN210789365U (en) * | 2019-09-25 | 2020-06-19 | 宏源精工车轮股份有限公司 | Drill jig |
| CN111014762A (en) * | 2019-12-13 | 2020-04-17 | 西安飞机工业（集团）有限责任公司 | Assembly method of connecting assembly of airplane frame and beam |
| CN212635116U (en) * | 2020-07-30 | 2021-03-02 | 湖北首兴机械股份有限公司 | Milling and pulping machine casing pilot hole processingequipment |
| CN111774606A (en) * | 2020-08-03 | 2020-10-16 | 福晟五金塑胶（深圳）有限公司 | Deep hole drilling equipment for drilling assembly holes of aluminum profile extruded products |
| CN113634795A (en) * | 2021-08-27 | 2021-11-12 | 北京曙光航空电气有限责任公司 | Angular positioning device and positioning method of shaft parts based on shaft end square groove |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114029531A (en) | 2022-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114029531A (en) | Hole making method for intersection point assembling hole of closed inclined structure | |
| US20060113450A1 (en) | Self-locating feature for a pi-joint assembly | |
| CN204673019U (en) | A kind of radome of fighter installing hole bushing plate | |
| CN111014762B (en) | An assembly method of an aircraft frame and a beam connecting assembly | |
| DE102014215533A1 (en) | Apparatus and method for joining different types of materials | |
| CN113305767B (en) | Method and clamp for assembling head cover | |
| CN221476216U (en) | Forming assembly frame | |
| CN113245598B (en) | Adjustable drilling jig device for copying hole sites of old parts and use method | |
| CN119897820A (en) | Aircraft hanging box section pneumatic turning tool and efficient assembly method | |
| CN114719727A (en) | Method for assembling, positioning and detecting aircraft finished product based on magnet heteropolar attraction | |
| CN111560614A (en) | Combined chemical milling sample plate and processing method thereof | |
| CN119237837A (en) | Method for drilling holes in hinge joints of aircraft movable parts | |
| CN211361139U (en) | Arm heel seat welding positioning tool | |
| CN101987409B (en) | Method for installing gear rack for aircraft slat actuator | |
| CN215104338U (en) | Anchor bolt positioning device | |
| CN220050150U (en) | Automatic stringer datum hole jig that bores of segmentation combination formula aircraft panel | |
| CN109571356B (en) | Hole core adjusting structure, assembly using same and connecting method | |
| CN109226990B (en) | Process method for welding embedded part by using welding robot | |
| CN219189407U (en) | Frock is used in support assembly in radome fairing | |
| KR20190127265A (en) | Piercing tool for piercing position correction and exchange of piercing punch | |
| CN215614648U (en) | 737 passenger plane main undercarriage lug positioning and hole making device | |
| CN217290910U (en) | Fixing device suitable for high-energy beam skin welding of airfoil workpiece | |
| CN117163315A (en) | A method and tooling for double margin parts assembly that enables parts interchange | |
| CN116967498A (en) | A method for accurately drilling holes in aircraft cabin door skins | |
| CN211361140U (en) | Arm heel seat welding positioning tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |