CN207606663U - A kind of conduit pipe mouth angle milling tool - Google Patents
A kind of conduit pipe mouth angle milling tool Download PDFInfo
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- CN207606663U CN207606663U CN201721697342.9U CN201721697342U CN207606663U CN 207606663 U CN207606663 U CN 207606663U CN 201721697342 U CN201721697342 U CN 201721697342U CN 207606663 U CN207606663 U CN 207606663U
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- grinding
- grinding head
- conduit
- milling tool
- pipe mouth
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Abstract
A kind of conduit pipe mouth angle milling tool, 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 guide hole at its center and is inlaid with bearing, its outside is equipped with external screw thread, guiding bar is inserted into guide hole, holddown spring is between grinding head and guiding bar and bearing, the utility model can play the role of correctly guiding milling tool, the phenomenon that effectively avoiding the occurrence of part angle beat, grinding head is designed to the structure type of rough lapping and smooth grinding simultaneously, grinding efficiency is improved while ensuring grinding quality, it can have the function that grind the conical surface fits closely with the conduit conical surface.
Description
Technical field：
This application involves the manufacturing technologies of aircraft conduit, specifically to the processing and manufacturing of conduit pipe mouth angle, especially
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..Currently, domestic
Generally use junction with angled in the assembly of outer aircraft pipeline, such as 74 °, 45 °, the advantages of such technique is processing and pacifies
The process of dress is simple, advantage of lower cost, the disadvantage is that conduit mount stress is larger, is also easy to produce leakage.When assembling aboard,
The angle open end of pipe and standard component connector are in mating connection, and standard component connector both ends are with nozzle tip angle with 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 to use 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, grinding
During mill, grinding rod voluntarily centering, grinding rod can not be easy to happen beat, 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 tool, scraps phenomenon, cause cost 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, needs 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.
Invention content
Grinding in order to solve existing conduit pipe mouth angle is inefficient, be not durable, precision is low, 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, 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 include that grinding head, guiding bar, holddown spring and screw thread are led
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 guide hole at center and is inlaid with bearing,
Its outside is equipped with external screw thread, and guiding bar is inserted into guide hole, 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 of part nozzle connects, and so that grinding head is pressed under the action of holddown spring in conduit nozzle, passes through guiding bar tail
The handle rotation grinding head in portion realizes the purpose of 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 connect 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, milling cycle is shortened, reduces labor intensity, 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 status diagram of the application.
Fig. 4 is the conduit pipe mouth angle smooth grinding status diagram of the application.
Explanation is numbered in figure：1 grinding head；2 holddown springs；3 bearings；4 threaded guide sleeves；5, 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 implementation mode
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 guide hole, and holddown spring 2 is located at grinding head 1 and draws
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 structures, can also be separate structure, by the guiding of threaded guide sleeve, ensure
The milling tool not beat in process of lapping makes the Angular Dimension being ground and surface roughness are correct, stablize, meet drawing to want
It asks.The compressed spring 2 is in order to which worker is during using tool, it is not necessary to should apply axial force to tool, the bearing 3 is
It is flexible in order to be rotated during tool use, reduce labor intensity.Worker is facilitated to use tool when 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, compressed spring 2 is mounted in guiding bar 6, and the both ends of compressed 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, compressed spring 2 is uncompressed for free state.Slightly grind
When 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, compressed spring 2 is in impaction state at this time, and grinding on end surface 11 and bearing face 13 has certain pressure, by
It is already fixed in cap nut 10 in threaded guide sleeve, under the action of 2 pressure of compressed spring, 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
Conduit angle faces 8 can be achieved the purpose that by applying axial force to tool again, in process of lapping, spring 2 and threaded guide sleeve 4 it
Between will produce frictional force again, the design of bearing 3 just effectively reduces this frictional force, mitigates labor intensity.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 intensity, 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 the extensive favorable comment using unit is obtained.The grinding device
Invention, not only reduces manufacturing 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 tool.
Claims (2)
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 guide hole at center simultaneously
It is inlaid with bearing, outside is equipped with external screw thread, and guiding bar is inserted into guide hole, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697342.9U CN207606663U (en) | 2017-12-08 | 2017-12-08 | A kind of conduit pipe mouth angle milling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697342.9U CN207606663U (en) | 2017-12-08 | 2017-12-08 | A kind of conduit pipe mouth angle milling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207606663U true CN207606663U (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721697342.9U Active CN207606663U (en) | 2017-12-08 | 2017-12-08 | A kind of conduit pipe mouth angle milling tool |
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| CN (1) | CN207606663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108068006A (en) * | 2017-12-08 | 2018-05-25 | 西安飞机工业（集团）有限责任公司 | A kind of conduit pipe mouth angle milling tool and grinding method |
-
2017
- 2017-12-08 CN CN201721697342.9U patent/CN207606663U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108068006A (en) * | 2017-12-08 | 2018-05-25 | 西安飞机工业（集团）有限责任公司 | A kind of conduit pipe mouth angle milling tool and grinding method |
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