CN111346979A - Flaring-free guide pipe rolling connection device and method - Google Patents
Flaring-free guide pipe rolling connection device and method Download PDFInfo
- Publication number
- CN111346979A CN111346979A CN201811578436.3A CN201811578436A CN111346979A CN 111346979 A CN111346979 A CN 111346979A CN 201811578436 A CN201811578436 A CN 201811578436A CN 111346979 A CN111346979 A CN 111346979A
- Authority
- CN
- China
- Prior art keywords
- guide pipe
- pipe
- diameter tool
- mandrel
- outer diameter
- 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.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 15
- 239000000463 material Substances 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 241001272720 Medialuna californiensis Species 0.000 description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The embodiment of the invention provides a flaring-free guide pipe rolling connection device, which comprises an inner diameter tool and an outer diameter tool, wherein: the outer diameter tool is used for limiting the freedom degree of the guide pipe and the pipe sleeve and realizing the fixation of the relative positions of the guide pipe and the pipe sleeve; the inner diameter tool comprises a mandrel, and the mandrel is used for driving the roller pins to realize plastic deformation of the guide pipe, so that the guide pipe and the pipe sleeve are connected.
Description
Technical Field
The invention belongs to the technical field of processes, and relates to a flaring-free guide pipe rolling connection device and method.
Background
In order to meet the requirements of high-pressure sealing and long service life of the pipeline of the airplane hydraulic system, the pipeline adopts a non-flaring connection mode, and the non-flaring connection is proved to have the characteristics of high sealing, light weight, vibration prevention, self locking, no need of fuse wire, convenience in maintenance and the like. The existing non-flaring pipeline is connected with welding type, clamping sleeve type, extrusion type and other modes. Wherein the welded type welding seam is easy to generate fatigue, the clamping sleeve type catheter is suitable for a thick-wall catheter, the assembly quality is not easy to check, and the extrusion type catheter is difficult to preassemble for a catheter with high strength or increased wall thickness.
Disclosure of Invention
The invention provides a flaring-free guide pipe rolling connection device which can be used for rolling and forming an aluminum alloy guide pipe, a stainless steel guide pipe and a titanium alloy guide pipe, ensures the connection reliability of the guide pipe and a pipe sleeve and meets the use requirement of a hydraulic system pipeline of an airplane.
In a first aspect, the invention provides a flareless conduit rolling connection device, which comprises an inner diameter tool and an outer diameter tool, wherein: the outer diameter tool is used for limiting the freedom degree of the guide pipe and the pipe sleeve and realizing the fixation of the relative positions of the guide pipe and the pipe sleeve; the inner diameter tool comprises a mandrel, and the mandrel is used for driving the roller pins to realize plastic deformation of the guide pipe, so that the guide pipe and the pipe sleeve are connected.
Optionally, the mandrel comprises a tapered mandrel.
In a second aspect, the present invention provides a rolling connection method for a flareless conduit, the method is applied to a flareless conduit rolling connection device, the device includes an inner diameter tool and an outer diameter tool, the inner diameter tool includes a mandrel, the method includes:
the connection between the guide pipe (7) and the pipe sleeve (6) is realized through a special tool;
placing the outer diameter tool into a half-moon-shaped retainer (9);
placing the guide pipe (7) and the pipe sleeve (6) into the outer diameter tool;
closing the half-moon-shaped retainer (9), and keeping the guide pipe (7) and the pipe sleeve (6) at fixed positions in the outer diameter tool by screwing a fixing cap (10);
moving the inner diameter tool until the inner part of the guide pipe (7) is at a proper position, driving the mandrel (3) to rotate, driving the three roller pins (2) which are distributed at equal intervals to contact the inner wall of the guide pipe (7), pressing the material of the guide pipe (7) into the groove of the pipe sleeve (6), and obtaining a guide pipe component;
and returning the inner diameter tool, unscrewing the fixing cap (10), and taking out the outer diameter tool and the rolled conduit assembly.
Optionally, the driving of the mandrel (3) rotates and drives the three roller pins (2) distributed at equal intervals to contact the inner wall of the guide pipe (7), so as to press the material of the guide pipe (7) into the groove of the pipe sleeve (6), and the method specifically includes: the three roller pins (2) which are distributed at equal intervals are driven by the rotation mode of the mandrel, and the guide pipe (7) is extruded by the roller pins (2), so that the plastic forming of the guide pipe (7) is realized.
The flaring-free guide pipe rolling connection device provided by the invention adopts a guide pipe rolling connection process technology, can roll and form an aluminum alloy guide pipe, a stainless steel guide pipe and a titanium alloy guide pipe, ensures the connection reliability of the guide pipe and the pipe sleeve, and meets the use requirement of a hydraulic system pipeline of an airplane; the invention realizes the connection between the conduit and the pipe sleeve by using a rolling tool, has reliable connection mode and is convenient to operate and install. And moreover, the guide pipe rolling connection process is adopted, so that the guide pipe materials are filled in the groove of the pipe sleeve more fully, the sealing and anti-pulling-off performances of the joint are improved, the reliability of the hydraulic pipeline system of the airplane can be improved, and the requirements of light weight and long service life of the airplane are met.
Drawings
FIG. 1 is a structural diagram of a rolling inner diameter tool provided by the invention;
FIG. 2 is a structural diagram of a rolling outer diameter tool provided by the invention;
FIG. 3 is a schematic view of a rolled installation of a conduit and a sleeve provided by the present invention;
FIG. 4 is a schematic view of the roll forming of the catheter provided by the present invention;
wherein: 1. a holder; 2. rolling needles; 3. a mandrel; 4. an outer half-clamp; 5. an outer holder; 6. pipe sleeve; 7. a conduit; 8. a housing; 9. a half-moon shaped retainer; 10. and (4) fixing the cap.
Detailed Description
The flaring-free guide pipe rolling connection device provided by the invention adopts a guide pipe rolling connection process technology, can roll and form an aluminum alloy guide pipe, a stainless steel guide pipe and a titanium alloy guide pipe, ensures the connection reliability of the guide pipe and the pipe sleeve, and meets the use requirement of a hydraulic system pipeline of an airplane; the invention realizes the connection between the conduit and the pipe sleeve by using a rolling tool, has reliable connection mode and is convenient to operate and install. And moreover, the guide pipe rolling connection process is adopted, so that the guide pipe materials are filled in the groove of the pipe sleeve more fully, the sealing and anti-pulling-off performances of the joint are improved, the reliability of the hydraulic pipeline system of the airplane can be improved, and the requirements of light weight and long service life of the airplane are met.
Specifically, the tapered mandrel in the inner diameter tool is driven to rotate through special equipment under the fixation of the guide pipe and the pipe sleeve in the outer diameter tool, the mandrel is not advanced, the rotating mandrel drives 3 roller pins which are uniformly distributed along the circumference, the retainer moves along with the action of the roller pins, the position of the roller pins 2 on the mandrel is kept, the roller pins directly contact and extrude the inner wall of the guide pipe (see figure 4), the guide pipe generates plastic deformation, and the guide pipe material is filled into a groove of the processed pipe sleeve to form the connection of the guide pipe and the pipe sleeve.
In addition, the invention realizes the connection between the conduit 7 and the pipe sleeve 6 by using a special tool, and the rolling process comprises the following steps:
(1) the outer diameter tooling is placed into the half-moon holder 9 (see fig. 3).
(2) The catheter 7 and the sleeve 6 are placed in an outside diameter tooling (see fig. 3).
(3) The half-moon shaped retainer 9 is closed and the locking cap 10 is tightened to hold the catheter 7 and cuff 6 in a fixed position in the outer diameter tooling (see figure 3).
(4) The inner diameter tool is moved until the proper position in the guide pipe 7, the mandrel 3 is driven to rotate, the conical mandrel 3 drives the three roller pins 2 which are distributed at equal intervals to contact the inner wall of the guide pipe, and the material of the guide pipe 7 is pressed into the groove of the pipe sleeve 6.
(5) The inner diameter tooling is retracted backwards, the locking cap 10 is unscrewed, and the outer diameter tooling and the rolled catheter assembly are taken out.
The invention has simple operation and reliable forming quality, and can meet the reliability requirements of high pressure resistance, light weight and long service life of the hydraulic pipeline of the airplane.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a there is not flaring pipe roll extrusion connecting device which characterized in that, the device includes internal diameter frock and external diameter frock, wherein: the outer diameter tool is used for limiting the freedom degree of the guide pipe and the pipe sleeve and realizing the fixation of the relative positions of the guide pipe and the pipe sleeve; the inner diameter tool comprises a mandrel, and the mandrel is used for driving the roller pins to realize plastic deformation of the guide pipe, so that the guide pipe and the pipe sleeve are connected.
2. The flareless conduit roll-on connection of claim 1, wherein:
the mandrel comprises a tapered mandrel.
3. The non-flaring conduit rolling connection method is applied to a non-flaring conduit rolling connection device, the device comprises an inner diameter tool and an outer diameter tool, the inner diameter tool comprises a mandrel, and the method comprises the following steps:
the connection between the guide pipe (7) and the pipe sleeve (6) is realized through a special tool;
placing the outer diameter tool into a half-moon-shaped retainer (9);
placing the guide pipe (7) and the pipe sleeve (6) into the outer diameter tool;
closing the half-moon-shaped retainer (9), and keeping the guide pipe (7) and the pipe sleeve (6) at fixed positions in the outer diameter tool by screwing a fixing cap (10);
moving the inner diameter tool until the inner part of the guide pipe (7) is at a proper position, driving the mandrel (3) to rotate, driving the three roller pins (2) which are distributed at equal intervals to contact the inner wall of the guide pipe (7), pressing the material of the guide pipe (7) into the groove of the pipe sleeve (6), and obtaining a guide pipe component;
and returning the inner diameter tool, unscrewing the fixing cap (10), and taking out the outer diameter tool and the rolled conduit assembly.
4. The flareless conduit roll joining method of claim 3, wherein: the drive dabber (3) are rotatory and drive three equally spaced kingpins (2) contact pipe (7) inner wall, press pipe (7) material into the recess of pipe box (6), specifically include:
the three roller pins (2) which are distributed at equal intervals are driven by the rotation mode of the mandrel, and the guide pipe (7) is extruded by the roller pins (2), so that the plastic forming of the guide pipe (7) is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811578436.3A CN111346979A (en) | 2018-12-21 | 2018-12-21 | Flaring-free guide pipe rolling connection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811578436.3A CN111346979A (en) | 2018-12-21 | 2018-12-21 | Flaring-free guide pipe rolling connection device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111346979A true CN111346979A (en) | 2020-06-30 |
Family
ID=71188407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811578436.3A Pending CN111346979A (en) | 2018-12-21 | 2018-12-21 | Flaring-free guide pipe rolling connection device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111346979A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294490A (en) * | 2021-12-01 | 2022-04-08 | 国营芜湖机械厂 | 24-degree flareless conduit pipe sleeve assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101214598A (en) * | 2008-01-07 | 2008-07-09 | 李龙江 | Excircle surface rolling device |
| CN104646998A (en) * | 2014-12-31 | 2015-05-27 | 中国航空工业集团公司北京航空制造工程研究所 | Self-suction bulging device, and rolling press device of pipe interior automatic forming and self-positioning |
| CN106439288A (en) * | 2016-10-19 | 2017-02-22 | 中航飞机股份有限公司西安飞机分公司 | Combined guide pipe |
| CN108971364A (en) * | 2018-08-28 | 2018-12-11 | 航珍航空技术（上海）有限公司 | Flareless inward turning single lead screw ex truding briquetting machine and its expander |
-
2018
- 2018-12-21 CN CN201811578436.3A patent/CN111346979A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101214598A (en) * | 2008-01-07 | 2008-07-09 | 李龙江 | Excircle surface rolling device |
| CN104646998A (en) * | 2014-12-31 | 2015-05-27 | 中国航空工业集团公司北京航空制造工程研究所 | Self-suction bulging device, and rolling press device of pipe interior automatic forming and self-positioning |
| CN106439288A (en) * | 2016-10-19 | 2017-02-22 | 中航飞机股份有限公司西安飞机分公司 | Combined guide pipe |
| CN108971364A (en) * | 2018-08-28 | 2018-12-11 | 航珍航空技术（上海）有限公司 | Flareless inward turning single lead screw ex truding briquetting machine and its expander |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294490A (en) * | 2021-12-01 | 2022-04-08 | 国营芜湖机械厂 | 24-degree flareless conduit pipe sleeve assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9987670B2 (en) | Method and device for producing tapering pipe sections on ground screw foundations | |
| CN110561021A (en) | Circular workpiece welding clamping rotating mechanism | |
| CN108435852A (en) | A kind of modularization pressure-adjustable Siphon Mandril | |
| CN111346979A (en) | Flaring-free guide pipe rolling connection device and method | |
| CN104500882A (en) | Pipe and flange connection structure and processing method thereof | |
| CN108480970B (en) | Aluminum alloy pipe plastic connection method based on spinning | |
| CN205607757U (en) | Exhaust -heat boiler hydrostatic test fastening | |
| CN201157859Y (en) | Electric flanger for thin wall stainless steel pipe end | |
| CN110653482B (en) | Friction stir welding rolling supporting structure | |
| CN211220513U (en) | Portable on-site buckling device | |
| CN210849016U (en) | Circular workpiece welding clamping rotating mechanism | |
| CN2637027Y (en) | Extrusion equipment for making pipe end changing size | |
| CN109261816B (en) | A kind of plastic joining method and device between metal pipe material and plate | |
| CN103831366A (en) | Refrigerating equipment, flute-shaped tube thereof, and flute-shaped tube hole pulling and flanging equipment | |
| CN206739660U (en) | A kind of processing unit (plant) of the pressure-bearing inner liner of solar thermal collector header | |
| CN110815124A (en) | Portable on-site buckling device and buckling method | |
| CN109630793B (en) | Hydraulic bending lining core integrated piece and processing method thereof | |
| CN201851811U (en) | Pipe fitting connecting device | |
| CN212537079U (en) | Tee bend reducing joint | |
| CN110666336B (en) | Rolling type inner support system for friction stir welding | |
| CN211821238U (en) | Pressure tapping device without stopping conveying | |
| CN210907392U (en) | Roller with sealing performance | |
| CN209935713U (en) | Pretreatment device before flaring forming of guide pipe | |
| CN209180550U (en) | A kind of cold connection difference device | |
| CN2531220Y (en) | Pipeline connecting piece |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200630 |