CN108068006A - A kind of conduit pipe mouth angle milling tool and grinding method - Google Patents
A kind of conduit pipe mouth angle milling tool and grinding method Download PDFInfo
- Publication number
- CN108068006A CN108068006A CN201711292950.6A CN201711292950A CN108068006A CN 108068006 A CN108068006 A CN 108068006A CN 201711292950 A CN201711292950 A CN 201711292950A CN 108068006 A CN108068006 A CN 108068006A
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- China
- Prior art keywords
- grinding
- conduit
- grinding head
- guiding bar
- pipe mouth
- Prior art date
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- Pending
Links
- 238000000227 grinding Methods 0.000 title claims abstract description 87
- 238000003801 milling Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000003746 surface roughness Effects 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 4
- 235000013312 flour Nutrition 0.000 claims description 2
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
- B24B41/047—Grinding heads for working on plane surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A kind of conduit pipe mouth angle milling tool and grinding method, the milling tool includes grinding head, guiding bar, holddown spring and threaded guide sleeve, grinding head is located at the front end of guiding bar, grinding head is a rigid structure with taper abradant surface, the angle of taper abradant surface is matched with the pipe mouth angle face of conduit, the threaded guide sleeve is a revolving body, there is bullport at its center and is inlaid with bearing, its outside is equipped with external screw thread, in guiding bar insertion bullport, holddown spring is between grinding head and guiding bar and bearing.The threaded guide sleeve of above-mentioned milling tool with the cap nut of conduit detail nozzle is connected, grinding head is made to be pressed under the action of holddown spring in conduit nozzle, purpose of the grinding head realization to grinding conduit pipe mouth angle rough lapping is rotated by the handle of guiding bar afterbody.
Description
Technical field：
The present invention relates to the manufacturing technologies of aircraft conduit, specifically to the processing and manufacturing of conduit pipe mouth angle, are particularly
To airtight requirement and the grinding of the higher pipe mouth angle of surface roughness requirements when line up is installed.
Background technology
There is thousands of conduit to spread all over aircraft everywhere in airplane component, such as tracheae, oil pipe etc..At present, it is domestic
Generally using junction with angled in the assembling of outer aircraft pipeline, such as 74 °, 45 °, the advantages of such technique is processing and peace
The process of dress is simple, advantage of lower cost, the drawback is that conduit mount stress is larger, is also easy to produce leakage.When assembling aboard,
The angle openend of pipe and standard component connector are in mating connection, and standard component connector both ends are with angle with nozzle tip angle
Opposing angular.Nozzle and the air-tightness for docking place of connector are more demanding, need to inflate after installation, enter pilot pressurized oil.Nozzle with
Connector docking is in the pressure for being subjected to several gigapascals, need to be without oil leak, gas leak phenomenon.Therefore, the angle of nozzle end is processed
Correctness and high surface roughness are the key that ensure to pass through air seal test.For the high nozzle of surface roughness,
It generally all needs to realize using hand lapping, existing angle grinding method is using centrum grinding rod tool grinding, is being ground
In the process, worker on the one hand will applied force in the axial direction, will also along spout axis rotary grinding, due to pipe be it is irregular and
Curve form, so in process of lapping, pipe can only be allowed to lie low, this adds increased the difficulty of grinding process.In addition, it is grinding
During mill, voluntarily centering, grinding rod beat easily can not occur for grinding rod, and pipe mouth angle is often ground and changes, this
It is one of gas leak of the oil leakage reason.It is time-consuming and laborious since reprocessing often occur in part and instrument, scraps phenomenon, cost is caused to improve,
Product can not be delivered normally, and the image and honor to company cause certain injury.In order to realize to such pipe mouth angle
Efficiently precisely grinding, it is necessary to invent a kind of new angle grinding device, reaches quick, durable, the time saving and energy saving grinding pipe of high-precision
The purpose of mouth.
The content of the invention
The grinding of existing conduit pipe mouth angle is inefficient, be not durable, precision is low in order to solve, and grinding Angular Dimension is unstable
Fixed, the defects of beat, the application's is designed to provide that a kind of grinding is reliable, the conduit pipe mouth angle of high precision, best bright finish
Milling tool and grinding method.
A kind of conduit pipe mouth angle milling tool, the milling tool are led including grinding head, guiding bar, holddown spring and screw thread
Set, grinding head are located at the front end of guiding bar, and grinding head is a rigid structure with taper abradant surface, the angle of taper abradant surface
It being matched with the pipe mouth angle face of conduit, the threaded guide sleeve is a revolving body, and there is bullport at center and is inlaid with bearing,
Its outside is equipped with external screw thread, and guiding bar is inserted into bullport, and holddown spring is between grinding head and guiding bar and bearing.
The grinding head is divided into rough lapping head and lappingout bistrique, the rough lapping head, is uniform-distribution on taper abradant surface
If dry abrasive cutting groove, rough lapping head is only used for part and just grinds, and reaches quick rough lapping purpose.The lappingout bistrique, taper
Abradant surface is smooth surface, for the smooth grinding after rough lapping, improves Part Surface Roughness, is finally ground to product requirement.
Using above-mentioned milling tool to the grinding method of conduit pipe mouth angle, by the threaded guide sleeve and conduit of milling tool
The cap nut connection of part nozzle, makes grinding head be pressed under the action of holddown spring in conduit nozzle, passes through guiding bar tail
The handle in portion rotates the purpose that grinding head realizes grinding conduit pipe mouth angle.
The advantageous effect of innovation and creation:The application cooperatively forms fixed guiding using threaded guide sleeve is increased with cap nut
Hole, while the form that grinding head is designed to be connected with guiding bar are played the role of correctly guiding milling tool, effectively be avoided out
The phenomenon that existing part angle beat.Grinding head is designed to the structure type of rough lapping and smooth grinding simultaneously, is ensuring to grind matter
Grinding efficiency is improved while amount.Holddown spring is set in the rear end of grinding head, crown guide will be ground in process of lapping
Pipe pipe mouth angle face has the function that grind the conical surface fits closely with the conduit conical surface, completely without worker again to milling tool
Apply axial force.The grinding device is combined specific purpose tool with universal standard part, takes respective advantage, structure essence is small simple, operation
It is convenient, the grinding difficulty of product is reduced, shortens milling cycle, reduces labor strength, and grinding quality is reliable and stable.
Attached drawing is described in further detail this application with reference to embodiments.
Description of the drawings
Fig. 1 is the conduit pipe mouth angle milling tool rough lapping header structure schematic diagram of the application.
Fig. 2 is the conduit pipe mouth angle milling tool lappingout grinding wheel head structure schematic diagram of the application.
Fig. 3 is the conduit pipe mouth angle rough lapping view of the application.
Fig. 4 is the conduit pipe mouth angle smooth grinding view of the application.
Explanation is numbered in figure：1 grinding head；2 holddown springs；3 bearings；4 threaded guide sleeves；5th, handle；6 guiding bars；7 conduits；8
Pipe mouth angle face；9 taper abradant surfaces；10 cap nuts；11 grinding end surfaces；12 counterbores；13 bearing faces.
Specific embodiment
Referring to Fig. 1, a kind of conduit pipe mouth angle milling tool, the milling tool includes grinding head 1, guiding bar 6, compresses bullet
Spring 2 and threaded guide sleeve 4, grinding head 1 are located at the front end of guiding bar 6, and grinding head 1 is a rigid structure with taper abradant surface 9,
Taper abradant surface 9 is matched with the pipe mouth angle face 8 of conduit, and the threaded guide sleeve 4 is a revolving body, and there is guiding at center
Hole is simultaneously inlaid with bearing 3, and outside is equipped with external screw thread, and guiding bar 6 is inserted into bullport, and holddown spring 2 is located at grinding head 1 with drawing
Between guide rod 6 and bearing 3.
Above-mentioned grinding head 1 divides for rough lapping head and lappingout bistrique, the rough lapping head, on taper abradant surface 9 uniformly
If being dispersed with dry abrasive cutting groove, rough lapping head is only used for the first grinding of part, reaches quick rough lapping purpose.The smooth grinding
Head, taper abradant surface 9 are smooth surfaces, for the smooth grinding after rough lapping, improve Part Surface Roughness, final grinding to product
It is required that.
Grinding head and guiding bar can be overall structure or Split type structure, by the guiding of threaded guide sleeve, ensure
The milling tool not beat in process of lapping, make the Angular Dimension being ground and surface roughness are correct, stablize, meet drawing will
It asks.The compression spring 2 is in order to which worker is during instrument is used, it is not necessary to should apply axial force to instrument, the bearing 3 is
It is flexible in order to be rotated during instrument use, reduce labor strength.Worker is facilitated to use instrument during the handle 5, just
In rotation of holding with a firm grip.
In the beginning state of grinding, rough lapping head is selected to be combined together with threaded guide sleeve 4, bearing 3 is led mounted on screw thread
In the counterbore 12 of set, compression spring 2 is mounted in guiding bar 6, and the both ends of compression spring 2 withstand on grinding end surface 11 and axis respectively
On socket end face 13.When threaded guide sleeve 4 is not screwed into cap nut 10, compression spring 2 is uncompressed for free state.Slightly grind
During mill, the threaded guide sleeve 4 is screwed into cap nut 10, the taper abradant surface 9 of grinding head 1 is made to touch the pipe of conduit 7
On mouth angle faces 8, spring 2 is compressed at this time and is in impaction state, grinding on end surface 11 and bearing face 13 has certain pressure, by
It is already fixed in threaded guide sleeve in cap nut 10, under the action of 2 pressure of spring is compressed, grinding head 1 is held out against in conduit 7
On, make the taper abradant surface 99 of grinding head 1 being fitted on conduit angle faces 8 tightly, so worker is not required in operation
To apply axial force with regard to that can achieve the purpose that conduit angle faces 8 to instrument again, in process of lapping, spring 2 and threaded guide sleeve 4 it
Between can generate frictional force again, the design of bearing 3 just effectively reduces this frictional force, mitigates labor strength.After rough lapping,
Change grinding head 1 into lappingout bistrique, the conduit nozzle after being processed to rough lapping carries out smooth grinding processing, and the taper of lappingout bistrique is ground
Flour milling 9 is smooth surface, to improve Part Surface Roughness, final grinding to part requirements.
It is to ensure grinding precision in the present invention, increases guide structure, while to mitigate labor strength, and cleverly add
Enter the structures such as spring, bearing, which can not only be ground the pipe mouth angle ruler that size is correct, precision is high, surface roughness is high
It is very little, and tool operation is simple, and production efficiency is obviously improved, and obtains the extensive favorable comment using unit.The grinding device
Invention, not only reduces manufacture cost, solves production problem, product qualification rate is improved, before also having reached in technical merit
The height not having provides a kind of feasible, reliable, high level, conduit with high content of technology for the manufacture of entire aircraft industries
Pipe mouth angle new grinding instrument.
Claims (4)
1. a kind of conduit pipe mouth angle milling tool, which is characterized in that the milling tool includes grinding head, guiding bar, compresses bullet
Spring and threaded guide sleeve, grinding head are located at the front end of guiding bar, and grinding head is a rigid structure with taper abradant surface, and taper is ground
The angle of flour milling is matched with the pipe mouth angle face of conduit, and the threaded guide sleeve is a revolving body, and there is bullport at center simultaneously
Bearing is inlaid with, outside is equipped with external screw thread, and guiding bar is inserted into bullport, and holddown spring is located at grinding head and guiding bar and axis
Between holding.
2. conduit pipe mouth angle milling tool as described in claim 1, which is characterized in that the grinding head is divided into rough lapping
Head and lappingout bistrique, if being dispersed with dry abrasive cutting groove on the taper abradant surface of rough lapping head, the taper abradant surface of lappingout bistrique is
Smooth surface.
3. a kind of grinding method of conduit pipe mouth angle, it is characterised in that：1) there is a kind of milling tool, which includes grinding
Bistrique, guiding bar, holddown spring and threaded guide sleeve, grinding head are located at the front end of guiding bar, and grinding head is that a band taper is ground
The rigid structure in face, the angle of taper abradant surface are matched with the pipe mouth angle face of conduit, and the threaded guide sleeve is a revolution
There is bullport at body, center and is inlaid with bearing, and outside is equipped with external screw thread, and guiding bar is inserted into bullport, holddown spring position
Between grinding head and guiding bar and bearing；2) by the threaded guide sleeve of above-mentioned milling tool and the cap nut of conduit detail nozzle
Connection, makes grinding head be pressed under the action of holddown spring in conduit nozzle, and grinding head is rotated by the handle of guiding bar afterbody
Realize the purpose to grinding conduit pipe mouth angle rough lapping.
4. the grinding method of conduit pipe mouth angle as claimed in claim 3, it is characterised in that：The grinding head, which is divided into, slightly to be ground
Bistrique and lappingout bistrique, if being dispersed with dry abrasive cutting groove on the taper abradant surface of rough lapping head, the taper abradant surface of lappingout bistrique
It is smooth surface, in use, carrying out rough lapping processing to conduit nozzle with rough lapping head first, then rough lapping is processed with lappingout bistrique
Conduit nozzle afterwards carries out smooth grinding processing, improves Part Surface Roughness, final grinding to part requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711292950.6A CN108068006A (en) | 2017-12-08 | 2017-12-08 | A kind of conduit pipe mouth angle milling tool and grinding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711292950.6A CN108068006A (en) | 2017-12-08 | 2017-12-08 | A kind of conduit pipe mouth angle milling tool and grinding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108068006A true CN108068006A (en) | 2018-05-25 |
Family
ID=62158115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711292950.6A Pending CN108068006A (en) | 2017-12-08 | 2017-12-08 | A kind of conduit pipe mouth angle milling tool and grinding method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108068006A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293269A (en) * | 2019-07-29 | 2019-10-01 | 哈尔滨锅炉厂有限责任公司 | Super large external screw thread grinding tool and application method |
| CN111823133A (en) * | 2020-07-26 | 2020-10-27 | 中国航发贵州红林航空动力控制科技有限公司 | Flexible grinder structure with conical surface automatically aligned |
| CN115094495A (en) * | 2022-07-26 | 2022-09-23 | 重庆臻宝实业有限公司 | Micro-arc oxidation regeneration preparation method of CVD chamber workpiece |
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2017
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293269A (en) * | 2019-07-29 | 2019-10-01 | 哈尔滨锅炉厂有限责任公司 | Super large external screw thread grinding tool and application method |
| CN111823133A (en) * | 2020-07-26 | 2020-10-27 | 中国航发贵州红林航空动力控制科技有限公司 | Flexible grinder structure with conical surface automatically aligned |
| CN115094495A (en) * | 2022-07-26 | 2022-09-23 | 重庆臻宝实业有限公司 | Micro-arc oxidation regeneration preparation method of CVD chamber workpiece |
| CN115094495B (en) * | 2022-07-26 | 2023-10-03 | 重庆臻宝科技股份有限公司 | Micro-arc oxidation regeneration preparation method of CVD chamber workpiece |
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Application publication date: 20180525 |