CN108161094A - Auxiliary positioning device for spiral hole milling of wing body butt joint and hole milling method - Google Patents
Auxiliary positioning device for spiral hole milling of wing body butt joint and hole milling method Download PDFInfo
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- CN108161094A CN108161094A CN201710652478.6A CN201710652478A CN108161094A CN 108161094 A CN108161094 A CN 108161094A CN 201710652478 A CN201710652478 A CN 201710652478A CN 108161094 A CN108161094 A CN 108161094A
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- 238000003801 milling Methods 0.000 title claims abstract description 69
- 210000001503 joint Anatomy 0.000 title abstract 2
- 238000003032 molecular docking Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/10—Manufacturing or assembling aircraft, e.g. jigs therefor
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention belongs to the field of airplane digital assembly. The device comprises a clamping mechanism and a positioning template, wherein the clamping mechanism comprises a cylinder barrel, a cylinder cover, a piston, a hollow piston rod, a positioning pin and a locking piece; the positioning template comprises an arc-shaped bottom plate and more than one cylindrical positioning seat inserted on the arc-shaped bottom plate. During positioning, the clamping mechanism quickly clamps the positioning seat on the positioning template, so that accurate positioning between the portable spiral hole milling device and the lower wall plate of the wing is realized. The auxiliary positioning device can effectively solve the problem of swinging during hole making of the portable spiral hole milling unit, is particularly suitable for spiral hole milling in a narrow space, and can remarkably improve the efficiency and quality of butt joint of the wing body and the spiral hole milling.
Description
Technical field
The present invention relates to a kind of auxiliary locator more particularly to a kind of auxiliary positionings for wing body docking helical milling
Device belongs to aircraft digital and assembles automatic hole milling field.
Background technology
Wing body dock hole milling by hole milling position be not easy that positioning and clamping, operating environment are narrow, connecting hole is relatively large in diameter etc. because
The influence of element, at present mostly using manual drilling.In order to realize that wing body docks automatic hole milling, Chinese invention patent
ZL201010138456.6 proposes a kind of wing body and docks automatic hole milling system and method, it provides wing body docking lower wall panels and connects
The automatic processing scheme in hole is connect, but it is easily interfered with the Auxiliary support tooling under wing, need the technique stream to active service
Journey is made adjustment.
With the difficult-to-machine materials such as titanium alloy, carbon fibre composite making extensively on modern wing and central wing box
With in order to avoid wing body easily being caused to dock hole milling defect using drilling, helical milling is with its hole milling axial force is small, tool wear
The advantages such as small, one-step pore-creating precision height, processing efficiency height receive domestic and international aviation and pay much attention to.Chinese invention patent
ZL201310037325.2, ZL201310105521.9 are proposed a kind of portable helical milling device, can both realize with one
Can be with milling multiple aperture cutter, and help and wing body docking hole milling is completed in narrow working space, but due to helical milling
Cutter will revolve round the sun around centerline hole, and both portable helical milling device with respect to wing is not realized and is accurately fixed,
The precision in portable helical milling device processing hole is made to be difficult to reliably be ensured.
Invention content
Interfere the technical problem to be solved by the present invention is to wing body docking helical milling system with surrounding auxiliary mould, Yi Jibian
The problems such as being swung when taking formula helical milling device hole milling.
In order to solve the above technical problem, the present invention provides a kind of auxiliary positioning dresses for wing body docking helical milling
It puts and its application method, the specific technical solution of the present invention is as follows：
A kind of auxiliary locator for wing body docking helical milling, which is characterized in that including：
Clamping device and locating template, clamping device are used to clamp and loosen locating template；
The clamping device includes：
Cylinder barrel, there are one the cylinder barrel tools for connecting the cylinder barrel bottom of portable helical milling device, cylinder barrel bottom
Center is equipped with cylinder barrel step through-hole, and the macropore of cylinder barrel step through-hole is additionally provided with the first stomata and the towards inner cavity of cylinder on cylinder barrel
Two stomatas, it is the first stomata to close on cylinder barrel bottom；
Cylinder cap, the cylinder cap include a cylinder with the end, and the bottom of cylinder cap cylinder extends radially outwardly to form cylinder cap peace
Dress portion, cylinder cap are mounted on by cylinder cap mounting portion on cylinder barrel, and cylinder cap is coaxially disposed with cylinder barrel, and the center of cylinder cap bottom is equipped with first
Through-hole, the side wall of cylinder cap cylinder are radially provided with locking member mounting hole；
Piston, the piston are mounted in cylinder barrel, and between the first stomata and the second stomata；During the piston rod of piston is
Sky has A, B both ends, and A ends pass through cylinder cap to be inserted into the macropore of cylinder barrel step through-hole, and B ends are contained in the inner cavity of cylinder cap cylinder,
B ends end is set there are one the conical surface, and the conical surface is projected radially outward by the peripheral surface of hollow piston rod and formed；Hollow piston rod
Cross section for circular ring shape, the inner cavity of hollow piston rod is upper along its length front and rear to be penetrated through；
Positioning pin, the positioning pin are fixedly mounted on opposite another side in the side connected with cylinder barrel of cylinder cap mounting portion
On face, positioning pin at least there are two, centered on the axis of cylinder cap cylinder circumferentially；And
Locking member, the locking member include locking pin and the first compressed spring；Locking pin includes a cylindrical pin body
It is more than the tail portion of pin body with radial dimension, which is equipped with the inclined-plane being adapted with the hollow piston rod conical surface；Sell body from inside to outside
The tail portion of locking member mounting hole and locking pin across cylinder cap connects, and one end opposite with its tail portion is equipped with the pin of locking pin
Tight lock part；First compressed spring is sleeved on the pin of locking pin, is against between the tail portion of locking pin and the side wall of cylinder cap cylinder；
The locating template includes one piece and is used for the curved plate being fitted and connected with wing lower wall plate surface and is inserted into institute
State more than one cylindricality positioning seat on camber bottom plate；
Camber bottom plate is equipped with step through-hole, and the macropore of step through-hole is positioning counterbore, and the aperture of step through-hole is guiding
Hole, quantity and the wing lower wall panels of the step through-hole treat that the quantity of hole milling is identical, and correspond；
One end inserting of cylindricality positioning seat is fixed in positioning counterbore, is circumferentially on the end face of the other end and positioning pin phase
Matched location hole, the central part of cylindricality positioning seat are axially arranged with the second through-hole to match with cylinder cap cylinder；Described second is logical
The madial wall concave in hole circularizes locating slot, and the tight lock part of the annular positioning groove and locking pin matches.
In order to obtain the high coupling stiffness between clamping device and locating template and stablize its positioning accuracy and chucking power, institute
It states clamping device and further includes elastic conical drogue, elastic conical drogue is sleeved on cylinder cap cylinder, and big end is positioned towards cylinder barrel, the cylindricality
The inlet of second through-hole of seat is equipped with the inner conical surface being adapted with the male cone (strobilus masculinus) of elastic conical drogue.
In order to which clamping device is made to be remained to locating template in the case where stopping supplying through mechanical lock and retaining clip
State is held, so as to ensure hole milling precision, the clamping device, which further includes, compresses plunger and third compressed spring；Plunger is compressed to pass through
Cylinder cap mounting portion, end face are resisted against on the big end end face of elastic conical drogue, and described third compressed spring one end is sleeved on compression plunger
On, the other end is connected with piston.
In order to which the gap between clamping device and locating template is made to be adjusted to zero, so as to stablize its positioning accuracy and clamping
Power, in order to realize the quick separating of clamping device and locating template, the positioning pin is preferably taper bolt, and the clamping device is also
Including bushing and the second compressed spring, bushing is movably mounted in location hole, and the second compressed spring is mounted in location hole
And under bushing, the central part of the bushing is equipped with the taper hole to match with taper bolt.
For the ease of quick separating clamping device and locating template, the bushing is set there are one stage portion, the location hole
For step through-hole, bushing is movably mounted in the aperture of step through-hole, and stage portion is stuck on the step surface of location hole.
In order to obtain more reliable chucking power, the preferably tight lock part of locking pin is a hemisphere.
In order to make present apparatus structure is more exquisite to be easy to use, the hollow piston rod is in gripper mechanism grips or loosens calmly
The distance that locking pin moves in locking member mounting hole is driven to be equal to the spherical radius of locking pin during the template of position.
The first sealing is equipped in order to obtain the high-air-tightness of clamping device in the present apparatus, between the piston and cylinder barrel side wall
The second sealing ring, hollow piston rod and cylinder are equipped between the macropore side wall of the step through-hole of circle, hollow piston rod and cylinder barrel bottom
Third sealing ring is equipped between lid.
A kind of method of wing body docking helical milling, which is characterized in that use any one above-mentioned auxiliary locator, packet
Include following steps：
A, by the detachable front end face for being fixedly connected on portable helical milling device of clamping device, locating template is removable
The formula of unloading is fixedly connected on the outer surface of wing lower wall panels；
B, portable helical milling device drives clamping device to be pressed into positioning pin in the location hole of one cylindricality positioning seat,
Cylinder cap cylinder is inserted into the second through-hole of cylindricality positioning seat simultaneously, the circular orientation of the tight lock part face locating template of locking pin
Slot；
C, it is supplied to clamping device, the second stomata air inlet, the first stomata exhaust, piston is transported to helical milling device direction
Dynamic, hollow piston rod drives locking pin to overcome the elastic force of the first compressed spring protruding along locking member mounting hole, locking pin
Tight lock part is inserted into the annular positioning groove of cylindricality positioning seat, gripper mechanism grips locating template；
D, portable helical milling device carries out hole milling；
E, after completing a hole machined, the first stomata air inlet, the second stomata is vented, and piston is moved to locating template direction,
Locking pin inwardly bounces back under the elastic force effect of the first compressed spring along locking member mounting hole, and the tight lock part of locking pin is detached from cylindricality
The annular positioning groove of positioning seat, clamping device loosen locating template；
F, portable helical milling device together with clamping device is removed, moves to the position of next hole machined, go to step
Rapid B；
G, B~F-step is repeated until completing all hole millings.
The beneficial effects of the present invention are：
1st, it can realize portable helical milling device being accurately positioned with respect to wing lower wall panels, solve portable spiral
The problem of being swung during milling device hole milling；
2nd, delicate structure of the present invention, easy-to-use solves existing wing body docking helical milling system and surrounding backman
The problem of dress interference；
3rd, it using Pneumatic Transmission, realizes the fast clamp between clamping device and locating template and loosens, effectively improve
Hole milling efficiency.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the clamping device schematic diagram of the present invention；
Fig. 3 is the cylinder barrel diagrammatic cross-section of the present invention；
Fig. 4 is the cylinder cap diagrammatic cross-section of the present invention；
Fig. 5 is the piston structure schematic diagram of the present invention；
Fig. 6 is the locating template diagrammatic cross-section of the present invention；
Fig. 7 is the column type positioning seat diagrammatic cross-section of the present invention；
Fig. 8 is the curved plate diagrammatic cross-section of the present invention；
Fig. 9 is moment schematic diagram before clamping of the invention；
Schematic diagram when Figure 10 is the clamping of the present invention；
Figure 11 is the structure diagram of a preferred embodiment of the invention；
Figure 12 is the cylinder cap diagrammatic cross-section of a preferred embodiment of the invention；
Figure 13 is schematic diagram before the clamping of a preferred embodiment of the invention；
Schematic diagram when Figure 14 is the clamping of a preferred embodiment of the invention.
Specific embodiment
It should be noted that term " interior ", " under " etc. instructions orientation or position relationship be based on orientation shown in the drawings
Or position relationship or the invention product using when the orientation usually put or position relationship, be for only for ease of description this
It invents and simplifies description rather than indicate or imply that the device of meaning or element must have specific orientation, with specific square
Position construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " etc. are only used for distinguishing
Description, and it is not intended that instruction or hint relative importance.
It is below in conjunction with the accompanying drawings being described in detail of how implementing to the present invention：
Refering to Fig. 1, it is a kind of for the wing body docking helical milling auxiliary locator, including：Clamping device 2 and positioning mould
Plate 3.
Referring to Fig.2, the clamping device 2 includes cylinder barrel 211, cylinder cap 212, piston 213 and hollow piston rod 214, positioning
Pin 22 and locking member 23；Cylinder cap 212 is mounted on cylinder barrel 211, and cylinder cap 212 surrounds the sky of a receiving piston 213 with cylinder barrel 211
Chamber, hollow piston rod 214 are fixedly connected across cylinder cap 212 with piston 213, and positioning pin 22 and locking member 23 are mounted on cylinder cap 212
On.
Refering to Fig. 3, there are one the tools of cylinder barrel 211 for connecting the bottom 2115 of portable helical milling device, the bottom
Center is set there are one step through-hole, and the macropore 2111 of step through-hole is towards inner cavity of cylinder, and axially spaced-apart is set on the side wall of cylinder barrel 211
There are the first stomata 2113 and the second stomata 2114, the first stomata 2113 closes on the bottom of cylinder barrel 211；Axially spaced-apart is equipped with the first gas
Hole and the second stomata are in order to which piston is enable to be slided between the first stomata and the second stomata, and the first stomata, the second stomata pass through
Tracheae is communicated with air source.
Refering to Fig. 2, Fig. 4, cylinder cap 212 includes a cylinder 2122 with the end, and the bottom of cylinder 2122 extends radially outwardly
Form mounting portion 2121.Cylinder cap 212 is mounted on by mounting portion 2121 on cylinder barrel 211, and cylinder cap 212 and cylinder barrel 211 are coaxial.It refers to
Fig. 2, positioning pin 22 are fixed on by opening up mounting hole inserting on cylinder cap mounting portion 2121 on the downside of mounting portion 2121, this
Positioning pin is two cylindrical positioning pins in embodiment, and preferably two cylindrical positioning pins are centrosymmetrically arranged, design in this way be in order to
It is accurately positioned.Refering to Fig. 4, the bottom centre of cylinder cap 212 is equipped with first through hole 2124；Lock is radially provided on the side wall of cylinder cap 212
Tight part mounting hole 2123, locking member mounting hole 2123 are a step through-holes, and macropore is towards the inner cavity of cylinder cap cylinder, the present embodiment
The mounting hole of middle locking member is arranged symmetrically there are two setting, and design is for more reliable locking in this way.
Referring to Fig.2, piston 213 is mounted in cylinder barrel 211, and between the first stomata 2113 and the second stomata 2114.It is living
Plug 213 slides in cylinder barrel 211 the first extreme position and the second extreme position, and the first extreme position slides up for piston 213
Position when tangent, the second extreme position with the first stomata 2113 is moved to slide down to and the second stomata 2114 for piston 213
Position when tangent.Piston slides the setting of extreme position, can be by the side wall of cylinder barrel 211, positioned at the first stomata
2113 and second between stomata 2114, and block or sliding slot is set to realize.In the present embodiment, by limiting hollow piston rod
214 displacement sets the extreme position of piston slip, and the present embodiment is designed as clamping or loosen locating template in clamping device 2
When 3, the first extreme position that hollow piston rod 214 moves upwards for hollow piston rod end against the bottom of cylinder barrel 211
The step surface of step through-hole, the second extreme position moved downward for hollow piston rod end against locating template 3 arc
Bottom plate 31 is in order to which present apparatus structure is made to simplify and reliable using such design.
Referring to Fig.2, Fig. 5, the piston rod of piston 213 is hollow, and hollow piston rod 214 has A, B both ends, and A is worn at end successively
It crosses in the macropore 2111 for the step through-hole that cylinder cap 212 is inserted into cylinder barrel 211, B ends are contained in the inner cavity of cylinder cap cylinder 2122, B ends
End is set there are one the conical surface 2141, and the cross section of hollow piston rod 214 is circular ring shape, and the inner cavity of hollow piston rod 214 is passed through up and down
It is logical.
Referring to Fig.2, locking member 23 includes 231 and first compressed spring 232 of locking pin, the locking pin 231 includes one
Cylindrical pin body 2312 and radial dimension are more than the tail portion 2311 of pin body, and tail portion 2311 is equipped with the cone with hollow piston rod 214
The inclined-plane 23111 that face 2141 is adapted, the pin body 2312 of the locking pin 231 pass through from inside to outside locking member mounting hole 2123 with
Tail portion 2311 is connected, and one end that the pin body of locking pin 231 is opposite with its tail portion is equipped with tight lock part 2313；Tight lock part in the present embodiment
2313 be a hemisphere, and first compressed spring 232 is sleeved on the pin of locking pin 231, and one end is against the tail of locking pin 231
Portion 2311, the other end is against the step surface of locking member mounting hole 2123.In 2 clamping position template 3 of clamping device, the first compression
232 stress of spring and compress, when clamping device 2 loosens locating template 3, the first compressed spring 232 is returned to initial installation shape
State.
Refering to Fig. 6, locating template 3 includes curved plate 31 and the cylindricality positioning seat 32 being inserted on curved plate 31.For
Easy drawing and the structure convenient for describing the present apparatus only give arc of the tool there are one cylindricality positioning seat 32 in the present embodiment
Bottom plate.
Refering to Fig. 8, camber bottom plate 31 is equipped with step through-hole, and macropore is positioning counterbore 311, and aperture is guide hole 312；Arc
On shape bottom plate positioning counterbore 311, the quantity of guide hole 312 and position and wing lower wall panels treat hole milling quantity and position consistency and
It corresponds, in order to ensure portable milling device milling circular hole on siding under the wings of an airplane, positioning counterbore, guide hole on curved plate
The arc surface centrally through curved plate center of arc.Hole milling region when the size of the curved plate is docked according to wing body
Size and determine.
Refering to Fig. 6, Fig. 7, Fig. 9, one end of cylindricality positioning seat 32 is inserted into positioning counterbore 311, the end face week of the other end
To equipped with 22 corresponding location hole 321 of positioning pin；The central part of the cylindricality positioning seat 32 is axially arranged with the second through-hole 322,
The aperture of second through-hole 322 and the outer diameter of cylinder cap cylinder 2122 match, the madial wall radial direction concave cyclization of the second through-hole 322
Shape locating slot 324, annular positioning groove 324 is corresponding with locking pin 231, and the section of annular positioning groove 324 is semicircle, radius with
The spherical radius of locking pin 231 is consistent.
Refering to Fig. 9, Figure 10, the application method that the present invention will be described in detail：
Clamping device 2 is bolted to connection on the front end face of portable helical milling device 1 first, positioning mould
Plate 3 is fixedly connected on by pin on the outer surface of wing lower wall panels 4；
Then portable helical milling device 1 drives clamping device 2 that positioning pin 22 is pressed into determining for cylindricality positioning seat
In the hole 321 of position, while cylinder cap cylinder 2122 is inserted into the second through-hole 322 of cylindricality positioning seat, the positioning of 231 face cylindricality of locking pin
The annular positioning groove 324 of seat；Supplied to clamping device 2,2114 air inlet of the second stomata, the first stomata 2113 is vented, piston 213 to
The direction movement of formula helical milling device 1 is taken, the drive locking pin 231 of hollow piston rod 214 overcomes the bullet of the first compressed spring 232
Power is protruding along locking member mounting hole 2123, and the tight lock part 2313 of locking pin 231 is inserted into the annular positioning groove of cylindricality positioning seat
324,2 clamping position template 3 of clamping device, portable helical milling device 1 carries out helical milling；
After portable helical milling device 1 completes a hole machined, 2113 air inlet of the first stomata, while the second stomata is arranged
Gas 2114, piston 213 are moved to the direction of locating template 3, and locking pin 231 acts on lower edge in the elastic force of the first compressed spring 232
Locking member mounting hole 2123 inwardly bounces back, and the tight lock part 2313 of locking pin is detached from the annular positioning groove 324 of cylindricality positioning seat 32, folder
It holds mechanism 2 and loosens locating template 3；
Portable helical milling device 1 together with clamping device 2 is removed, moves to the position of next hole machined, repeat with
Until all hole millings are completed, stopping gas supply removing clamping device 1 and locating template 2 for upper action.
Here is another preferred embodiment of the present invention, with reference to attached drawing to further instruction of the present invention.
Refering to Figure 11, Figure 12, clamping device further includes, the first sealing ring between piston 213 and cylinder barrel barrel, hollow work
The second sealing ring between stopper rod 214 and cylinder barrel bottom, the third sealing ring between hollow piston rod 214 and cylinder cap 212.
This, sealing ring is preferably O-ring.Positioning pin is taper bolt 221, and clamping device further includes 223 and second compressed spring of bushing
224；The taper bolt 221 is fixedly mounted on by two pin holes being arranged symmetrically 2125 on cylinder cap；The positioning of cylindricality positioning seat
Kong Weiyi step through-hole 3211, for the macropore of the step through-hole towards camber bottom plate, the peripheral surface of the bushing 223 is cylinder
Shape, end are set there are one stage portion 2231；The bushing 223 is internally provided with the cone being adapted with the conical surface of taper bolt 221
Hole, the conical surface inclination angle of taper bolt 221 are consistent with the internal taper hole inclination angle of bushing 223.During installation, first bushing reeve cylindricality is determined
In the aperture of the step through-hole 3211 of position seat 32, stage portion 2231 is stuck on the step surface of step through-hole 3211；Again by second
Compressed spring 224 is mounted in the macropore of the step through-hole 3211；Then by the step through-hole 3211 of cylindricality positioning seat 32
Macropore is inserted into towards curved plate in positioning counterbore 311, and the positioning of the second compressed spring 224 end face against curved plate is sunk
The bottom surface in hole 311, other end is against the step surface of bushing stage portion 2231.It is described when gripper mechanism grips locating template
Taper bolt 221 is inserted into bushing 223, and bushing 223 is pushed to move down, and the second compressed spring 224, which is pressurized, to be compressed；When clamping device with
When locating template detaches, taper bolt 221 exits bushing 223, and the second compressed spring 224 resets, and bushing 223, which moves up, to be returned back to initially
Installation condition, clamping device are quickly detached with locating template.Clamping device and positioning mould are realized by the elastic deformation of bushing 223
Zero clearance connection between plate, so as to the positioning accuracy and clamping force between stable holding mechanism and locating template；
Refering to Figure 11, Figure 12, clamping device further includes elastic conical drogue 241, compresses plunger 242 and third compressed spring 243；
Cylinder cap cylinder 2122 is radially provided with baffle ring 245, and 241 ground of elastic conical drogue is set on the peripheral surface of cylinder cap cylinder, the end of small end
Face is equipped with inner conical surface 323, elastic conical drogue against the cylinder cap baffle ring 245, the second through-hole 322 of cylindricality positioning seat in inlet
241 male cone (strobilus masculinus) inclination angle is consistent with the inclination angle of the inner conical surface 323 of the second through-hole 322 of cylindricality positioning seat；Cylinder cap mounting portion
Elastic conical drogue mounting hole 2127 is coaxially provided on 2121 with cylinder cap cylinder 2122, the elastic conical drogue mounting hole 2127 is a ring
The counterbore of shape is also circumferentially on the mounting portion 2121 of cylinder cap and compresses plunger mounting hole 2126, and compressing plunger mounting hole 2126 is
One step through-hole, macropore are all communicated towards cylinder barrel, aperture with elastic conical drogue mounting hole 2127；Plunger 242 is compressed to set
There are one the cylinder of stage portion, the cylinder, which passes through, compresses plunger mounting hole 2126, and end face is resisted against the big of elastic conical drogue 241
It holds on end face；Third compressed spring 243, which is sleeved on, to be compressed on plunger 242, and one end is another against the stage portion for compressing plunger 242
End is connected by being inserted into the mounting hole of piston 213 with piston 213.Refering to Figure 13, Figure 14, when 2 clamping position of clamping device
During template 3, elastic conical drogue 241 moves up under the drive of cylindricality positioning seat 32, and the big end of elastic conical drogue 241 enters elastic conical drogue peace
Hole 2127 is filled, the small end of elastic conical drogue 241 is inserted into the inner conical surface 323 of the second through-hole 322 of cylindricality positioning seat 32 and cylinder cap is justified
Between cylinder 2122, elastic conical drogue 241, which is pressurized, generates elastic deformation, and cylindricality positioning seat realizes seamless connectivity with cylinder cap cylinder, from
And it realizes clamping device 2 and the high rigidity of locating template 3 and connect；Simultaneously elastic conical drogue 241 push compress plunger 242 move up so as to
Third compressed spring 243 is supported to support piston 213, makes piston that can keep clamping shape even if in the case of losing air pressure and pushing
Position under state, so as to fulfill clamping device under the state of stopping the supple of gas or steam the clamping position template by way of mechanical interlocking.It is above excellent
The embodiment of choosing is served only for the explanation and illustration to embodiment of the present invention, but not as limitation of the present invention.
Claims (9)
1. a kind of auxiliary locator for wing body docking helical milling, which is characterized in that including：
Clamping device and locating template, clamping device are used to clamp and loosen locating template；
The clamping device includes：
Cylinder barrel, there are one the cylinder barrel bottom for connecting portable helical milling device, the centers of cylinder barrel bottom for the cylinder barrel tool
Equipped with cylinder barrel step through-hole, the macropore of cylinder barrel step through-hole is additionally provided with the first stomata and the second gas towards inner cavity of cylinder on cylinder barrel
Hole, it is the first stomata to close on cylinder barrel bottom；
Cylinder cap, the cylinder cap include a cylinder with the end, and the bottom of cylinder cap cylinder extends radially outwardly to form cylinder cap mounting portion,
Cylinder cap is mounted on by cylinder cap mounting portion on cylinder barrel, and cylinder cap is coaxially disposed with cylinder barrel, and the center of cylinder cap bottom is equipped with first through hole,
The side wall of cylinder cap cylinder is radially provided with locking member mounting hole；
Piston, the piston are mounted in cylinder barrel, and between the first stomata and the second stomata；The piston rod of piston to be hollow,
With A, B both ends, A ends pass through cylinder cap to be inserted into the macropore of cylinder barrel step through-hole, and B ends are contained in the inner cavity of cylinder cap cylinder, B ends
End is set there are one the conical surface, and the conical surface is projected radially outward by the peripheral surface of hollow piston rod and formed；Hollow piston rod
Cross section is circular ring shape, and the inner cavity of hollow piston rod is above front and rear along its length to be penetrated through；
Positioning pin, the positioning pin are fixedly mounted on opposite another side in the side connected with cylinder barrel of cylinder cap mounting portion
On, positioning pin at least there are two, centered on the axis of cylinder cap cylinder circumferentially；And
Locking member, the locking member include locking pin and the first compressed spring；Locking pin includes cylindrical a pin body and diameter
It is more than the tail portion of pin body to size, which is equipped with the inclined-plane being adapted with the hollow piston rod conical surface；Pin body passes through from inside to outside
The locking member mounting hole of cylinder cap and the tail portion of locking pin connect, and one end opposite with its tail portion is equipped with locking with the pin of locking pin
Portion；First compressed spring is sleeved on the pin of locking pin, is against between the tail portion of locking pin and the side wall of cylinder cap cylinder；
The locating template includes one piece and is used for the curved plate being fitted and connected with wing lower wall plate surface and is inserted into the arc
More than one cylindricality positioning seat on type bottom plate；
Camber bottom plate is equipped with step through-hole, and the macropore of step through-hole is positioning counterbore, and the aperture of step through-hole is guide hole, institute
It states the quantity of step through-hole and wing lower wall panels treats that the quantity of hole milling is identical, and correspond；
One end inserting of cylindricality positioning seat is fixed in positioning counterbore, is circumferentially on the end face of the other end and is matched with positioning pin
Location hole, the central part of cylindricality positioning seat is axially arranged with the second through-hole to match with cylinder cap cylinder；Second through-hole
Madial wall concave circularizes locating slot, and the tight lock part of the annular positioning groove and locking pin matches.
2. auxiliary locator according to claim 1, it is characterised in that the clamping device further includes elastic conical drogue, bullet
Property tapered sleeve be sleeved on cylinder cap cylinder, big end towards cylinder barrel, the inlet of the second through-hole of the cylindricality positioning seat be equipped with
The inner conical surface that the male cone (strobilus masculinus) of elastic conical drogue is adapted.
3. auxiliary locator according to claim 2, which is characterized in that the clamping device further include compress plunger and
Third compressed spring；It compresses plunger and passes through cylinder cap mounting portion, end face is resisted against on the big end end face of elastic conical drogue, the third
Compressed spring one end is sleeved on hold-down column beyond the Great Wall, and the other end is connected with piston.
4. auxiliary locator according to claim 1, which is characterized in that the positioning pin be taper bolt, the clamping
Mechanism further includes bushing and the second compressed spring, and bushing is movably mounted in location hole, and the second compressed spring is mounted on fixed
In the hole of position and under bushing, the central part of the bushing is equipped with the taper hole to match with taper bolt.
5. auxiliary locator according to claim 4, which is characterized in that the bushing is set there are one stage portion, described
Location hole is step through-hole, and bushing is movably mounted in the aperture of step through-hole, and stage portion is stuck in the step of location hole
On face.
6. auxiliary locator according to claim 1, which is characterized in that the tight lock part of the locking pin is a hemisphere.
7. auxiliary locator according to claim 6, which is characterized in that the hollow piston rod is in gripper mechanism grips
Or when loosening locating template, the distance that locking pin moves in locking member mounting hole is driven to be equal to the spherical radius of locking pin.
8. any one auxiliary locator according to claims 1 to 7, which is characterized in that the piston and cylinder barrel side
The first sealing ring is equipped between wall, the second sealing is equipped between the macropore side wall of the step through-hole of hollow piston rod and cylinder barrel bottom
Circle is equipped with third sealing ring between hollow piston rod and cylinder cap.
A kind of 9. method of wing body docking helical milling, which is characterized in that use any one auxiliary positioning of claim 1~8
Device includes the following steps：
A, by the detachable front end face for being fixedly connected on portable helical milling device of clamping device, locating template is detachable
It is fixedly connected on the outer surface of wing lower wall panels；
B, portable helical milling device drives clamping device to be pressed into positioning pin in the location hole of one cylindricality positioning seat, simultaneously
Cylinder cap cylinder is inserted into the second through-hole of cylindricality positioning seat, the annular positioning groove of the tight lock part face locating template of locking pin；
C, it being supplied to clamping device, the second stomata air inlet, the first stomata exhaust, piston is moved to helical milling device direction, in
Empty piston rod drives locking pin to overcome the elastic force of the first compressed spring protruding along locking member mounting hole, the tight lock part of locking pin
It is inserted into the annular positioning groove of cylindricality positioning seat, gripper mechanism grips locating template；
D, portable helical milling device carries out hole milling；
E, after completing a hole machined, the first stomata air inlet, the second stomata is vented, and piston is moved to locating template direction, is locked
It sells and inwardly bounces back along locking member mounting hole under the elastic force effect of the first compressed spring, the tight lock part of locking pin is detached from cylindricality positioning
The annular positioning groove of seat, clamping device loosen locating template；
F, portable helical milling device together with clamping device is removed, moves to the position of next hole machined, go to step B；
G, B~F-step is repeated until completing all hole millings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652478.6A CN108161094B (en) | 2017-08-02 | 2017-08-02 | Auxiliary positioning device and hole milling method for wing body butt joint spiral hole milling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710652478.6A CN108161094B (en) | 2017-08-02 | 2017-08-02 | Auxiliary positioning device and hole milling method for wing body butt joint spiral hole milling |
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| CN108161094B CN108161094B (en) | 2023-09-05 |
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| CN109579640A (en) * | 2018-12-14 | 2019-04-05 | 吉林江机特种工业有限公司 | The processing unit (plant) and processing method of aerofoil |
| CN109733591A (en) * | 2018-12-29 | 2019-05-10 | 中航电测仪器股份有限公司 | A kind of rod-pulling type aircraft handling kickoff mechanism and solution desorption method |
| CN112324810A (en) * | 2020-11-03 | 2021-02-05 | 中国航发湖南动力机械研究所 | Positioning and anti-loosening device for rotating shaft and mounting method |
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| CN112324810B (en) * | 2020-11-03 | 2022-07-22 | 中国航发湖南动力机械研究所 | Positioning and anti-loosening device for rotating shaft and mounting method |
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