CN106425256B - A kind of two-way positioning thin-wall part weld jig - Google Patents
A kind of two-way positioning thin-wall part weld jig Download PDFInfo
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- CN106425256B CN106425256B CN201611046512.7A CN201611046512A CN106425256B CN 106425256 B CN106425256 B CN 106425256B CN 201611046512 A CN201611046512 A CN 201611046512A CN 106425256 B CN106425256 B CN 106425256B
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- body seat
- expansion block
- locating piece
- screw
- cone
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of two-way positioning thin-wall part weld jig, including：Body seat, clamping plate, locating piece, small axle, pad, distribution, expansion block, guide plate, backing pin, cone, cover plate, mandrel, nut, breather pipe, limit plug, spring I, split pin, bolt I, spring II, screw I, screw II, bolt II, screw III may be reversed；The present invention can effectively eliminate position gap, resist welding deformation, prevent weld metal zone metal oxidation；And because locating surface may be reversed, support ring is welded in a set of frock and complete, reduce frock quantity and change the frock time.In actual applications, it is big not only to solve support ring welding deformation, size and the overproof problem of angle by the present invention, also saves frock expense, reduces labor intensity, improves product qualification rate and production efficiency.
Description
Technical field
The present invention relates to thin-wall part welding field, especially provides a kind of two-way positioning thin-wall part weld jig.
Background technology
Support ring is metal thin-wall part, is welded by inner and outer rings, and inner ring is "] of the ring wall with cone angle " type structure, outside
Ring is cone cylinder, is welded after inner and outer rings grafting, and weld seam is upper and lower twice angle welding, and weld seam is grown, and welding stress is big.Because of inner and outer rings
There is cone angle, two sleeve clamps need to be used to complete upper and lower twice weld seam welding originally.Former fixture is using end face, mandrel inner tube type structure
Inner and outer rings are positioned, because of inner and outer rings band cone angle, therefore part and fixture are linear contact lay, and position gap is big, under welding stress effect,
Welding deformation is big, makes support ring size and angle overproof, and metal oxidation in weld metal zone is serious, and support ring manufacture qualification rate is extremely low.
The content of the invention
It is an object of the invention to reduce welding deformation, control weld metal zone metal oxidation, fixture cost is saved, reduces fixture
Replacing and set-up time, improve production efficiency and product qualification rate.
The present invention provides a kind of two-way positioning thin-wall part weld jig, and using two-way positioning, i.e. locating surface may be reversed, with suitable
Support ring is answered to weld the change of cone angle after lower weld seam is overturn, needs two sets of frocks completion welding jobs to be changed to one by original
Welding job is completed in set frock, reduces the fixture set-up time, reduces labor strength；Locating piece is designed to cone swelling
Formula, using cone swelling, position gap is effectively eliminated, resists welding deformation, prevent weld metal zone metal oxidation.
The technical scheme is that：A kind of two-way positioning thin-wall part weld jig, including：Body seat 1, clamping plate 2, it may be reversed
Locating piece 3, small axle 4, pad 5, distribution 6, expansion block 7, guide plate 8, backing pin 9, cone 10, cover plate 11, mandrel 12, nut 13, ventilation
Pipe 14, limit plug 15, spring I 16, split pin 17, bolt I 18, spring II 19, screw I 20, screw II 21, bolt II 22, spiral shell
Follow closely III 23；
The body seat 1 includes upper strata body seat 1a, lower floor body seat 1b and located at support member 1c between the two, the upper strata body
Seat 1a and lower floor body seat 1b is equipped with centre bore, and the limit plug 15 is fixed on lower floor body seat 1b centre bit by screw III 23
Put, the bottom of mandrel 12 is positioned by limit plug 15 and is fixed on by bolt II 22 on lower floor body seat 1b, the heart
The top of axle 12 is arranged with cone 10 and nut 13, and the nut 13 is pressed on the upper surface of cone 10 by cover plate 11 and screw I 20；
The outside of cone 10 is provided with multiple expansion blocks 7 for being circumferentially evenly arranged and fitting in the conical surface of cone 10, described swollen
Block 7 is provided with elongated slot, and backing pin 9 and spring II 19 are provided with elongated slot, and the upper strata Qu Zuo1a tops are matched somebody with somebody provided with multiple with expansion block 7
The guide plate 8 of conjunction, the expansion block 7 are located between guide plate 8 and upper strata body seat 1a；
The end of expansion block 7 is provided with small axle 4, and the end of expansion block 7 offers groove and the radial hole connected with groove, described
It is provided with radial hole and promotes 6 and be fixed on the bolt I 18 promoted on 6, described small one end of axle 4 is provided with groove in the groove
Spring I 16, pad 5 and the split pin 17 coordinated with small axle 4, the small other end of axle 4 is fixed with may be reversed with what expansion block 7 coordinated
Locating piece 3, the end of expansion block 7 are provided with clamping plate 2 by screw II 21, and the turnable locating piece 3 is provided with passage 3a, institute
State passage 3a and be connected with breather pipe 14.
Preferably, the turnable locating piece 3 is secter pat.
Preferably, the expansion block 7 and the quantity of turnable locating piece 3 are 9.
Preferably, the support member 1c is specially multiple standard steel pipes being circumferentially evenly arranged, the standard steel pipe with
Upper strata body seat 1a and lower floor body seat 1b welding.
Preferably, the clamping plate 2 includes train wheel bridge 2a and lower plate 2b.
The present invention has following beneficial effect：
The present invention can effectively eliminate position gap, resist welding deformation, prevent weld metal zone metal oxidation；And due to locating surface
It may be reversed, support ring is welded in a set of frock and complete, reduce frock quantity and change the frock time.The present invention actually should
In, it is big not only to solve support ring welding deformation, size and the overproof problem of angle, also saves frock expense, to reduce work strong
Degree, improve product qualification rate and production efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the partial enlarged drawing of the present invention；
Fig. 3 is the structural representation that locating piece may be reversed in the present invention；
Fig. 4 is the structural representation of expansion block in the present invention；
In figure：1st, body seat；1a, upper strata body seat；1b, lower floor's body seat；1c, support member；2nd, clamping plate；2a, train wheel bridge；2b, under
Clamping plate；3rd, locating piece may be reversed；3a, passage；4th, small axle；5th, pad；6th, promote；7th, expansion block；8th, guide plate；9th, backing pin；10th, bore
Body；11st, cover plate；12nd, mandrel；13rd, nut；14th, breather pipe；15th, limit plug；16th, spring I；17th, split pin；18th, bolt I；
19th, spring II；20th, screw I；21st, screw II；22nd, bolt II；23rd, screw III；
Embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
As Figure 1-4, a kind of two-way positioning thin-wall part weld jig, including：Body seat 1, clamping plate 2, locating piece may be reversed
3rd, small axle 4, pad 5, promote 6, expansion block 7, be guide plate 8, backing pin 9, cone 10, cover plate 11, mandrel 12, nut 13, breather pipe 14, fixed
Position plug 15, spring I 16, split pin 17, bolt I 18, spring II 19, screw I 20, screw II 21, bolt II 22, screw III 23；
First, locating piece 3 may be reversed (see Fig. 3)
It is secter pat that locating piece 3, which may be reversed, and point 9 pieces of circumference uniform distributions, radial dimension coordinates with expansion block 7 (in Fig. 1), and inner side is recessed
Groove R570H7 and expansion block 7R570f7 coordinates, and two sides is brought into close contact, and part is accurately positioned so as to ensure may be reversed locating piece 3.
The bottom land of size 44 on locating piece 3 may be reversed and carry 1.35 ° of cone angles, this angle and the size of well width 44 are matched somebody with somebody with part
Close, for preventing part deformation in part positioning and welding process；Because cone angle is smaller, bad identification is estimated, positioning may be reversed
One end of block 3 is provided with mark hole.
30H7 grooves and the thickness 30f7 dimensional fits of expansion block 7 on locating piece 3 may be reversed, to ensure that locating piece repeats after overturning
Positioning precision.
Locating piece 3 may be reversed and be provided with φ 14H7 holes, be H7/n6 cooperations with small axle 4 for installing small axle 4, small axle 4 and can
Upset locating piece 3 is connected.
May be reversed and be additionally provided with welding protection gas on locating piece 3 --- argon gas passage 3a, each on turnable locating piece 3
Provided with 4 argon gas passage 3a, ensure that welding protection even gas distribution is connected with breather pipe 14 in welding region, passage 3a.
2nd, distribution organization (see Fig. 2)
The small axle 4 of installation in locating piece 3 may be reversed, small axle 4 is provided with spring I 16 below, and spring I 16 is by pad 5 and opening
Pin 17 is fixed on small axle 4.Small axle 4 is arranged in expansion block 7, is slotted in expansion block 7 for placing spring I 16, pad 5 and split pin
17, radial hole is additionally provided with expansion block 7, promotes 6 and bolt I 18 for placing, bolt I 18 is used when handle.
Bolt I 18 is promoted, distribution 6 is moved to the left, promotes small axle 4 to be moved to the left, small axle 4, which drives, may be reversed locating piece 3
It is moved to the left, locating piece 3 may be reversed and be separated from expansion block 7, because small axle 4 and expansion block 7 coordinate for H7/f7 gaps, positioning may be reversed
Block 3 is interference fit with small axle 4, and locating piece 3 and small axle 4, which may be reversed, to be rotated along the small shaft centre line of axle 4, and manual overturning may be reversed
Locating piece 3, it is set to rotate 180 ° along the small shaft centre line of axle 4.Unclamp bolt I 18, small axle 4 under the spring-force driven dual of spring I 16 to
Move right, drive turnable locating piece 3 to move right, until fitting in expansion block 7, and utilize spring force by turnable locating piece
3 are pressed in expansion block 7.
3rd, expansion block (see Fig. 4)
Expansion block 7 is sector structure, and point 9 pieces of circumference uniform distributions, radial dimension is consistent with turnable locating piece 3, outside R570f7
Size coordinates with the turnable inboard groove R570H7 of locating piece 3, and two sides is brought into close contact, so as to ensure may be reversed locating piece to part
It is accurately positioned.
φ 14H7 holes are used to install small axle 4 in expansion block 7, are coordinated with small axle using H7/f7, are repeated after ensureing locating piece upset
Positioning precision.
The holes of φ 12, which are used to install, in expansion block promotes 6；2-M8 screwed holes are used to install clamping plate 2；Middle elongated slot is used to install gear 9
Pin and spring II 19, spring II 19 are used for the movement of expansion block 7；The 60f7 long handles of expansion block 7 are used to coordinate with guide plate 8, make the edge of expansion block 7
Move radially, ensure that part is accurately positioned；The center of expansion block 7 is 25 ° of conical surfaces, is coordinated with cone 10, is promoted under the compression of nut 13
Expansion block is moved radially outwards, swelling part.
4th, cone expansion mechanism (see Fig. 1)
Mandrel 12 is installed, mandrel 12 is coordinated with the endoporus of cone 10 using H7/f7, and cone 10 is in the band of nut 13 on body seat 1
It can be moved up and down under dynamic along mandrel 12, cylindrical cone 10 is circular conical surface, is coordinated with the inner conical surface of expansion block 7.Before welding during installation part,
Cone 10 is moved down by tightening nut 13, compresses expansion block 7, promotes expansion block 7 to be displaced outwardly, swelling part；Torn open after welding
When unloading part, nut 13 is unclamped, expansion block 7 moves inward under the effect of spring II 19, and expansion block 7 bounces back, detachable part.
5th, body seat (see Fig. 1)
Body seat 1 is welding structural element, and two layers above and below point, centre uses standard steel-pipe welding.The height of body seat 1 is fixed by may be reversed
The position radius of turn of block 3 determines, slightly larger than its radius of turn.The bottom of body seat 1 is provided with limit plug 15, for being connected with welding equipment
Connect.Centre is provided with mandrel 12, is designed for expansion mechanism.The top of body seat 1 is used to install expansion block 7 and guide plate 8, and this fixture is set altogether
There are 9 expansion blocks 7, each expansion block 7 matches somebody with somebody a guide plate 8, circumference uniform distribution.
6th, repetitive positioning accuracy ensuring method after locating surface upset
Realize that two sides weld seam is welded using a fixture according to locating surface upset, it is necessary that weight after locating surface upset
Multiple positioning precision, for this in this jig Design with the following method：
30H7 grooves in locating piece 3 may be reversed, coordinate with the thickness 30f7 of expansion block 7, before and after ensureing upset, it is fixed to may be reversed
Position of the position block 3 along Z-direction.
It is R570H7 that 30H7 grooves bottom land in locating piece 3, which may be reversed, is coordinated with the outside dimension R570f7 of expansion block 7, two sides exists
Spring I 16 is brought into close contact under acting on, before and after ensureing upset, locating piece radial dimension.
It may be reversed in locating piece 3 and be provided with φ 14H7 holes, for installing small axle 4, adopted with small axle 4 and make H7/n6 cooperations, be linked to be one
Body, small axle 4 is coordinated with expansion block 7 using H7/f7, and before and after ensureing upset, locating piece 3 may be reversed, and along the circumferential direction position is constant.
7th, part mounting method and fixture action process (see Fig. 1)
The installation of support ring inner ring is first carried out, mark hole is consistent upward on the turnable locating piece 3 of gauging fixture, by train wheel bridge
2a rotates inwards, and lower plate 2b rotations are outside；Rotating nuts 13 are up with movable cone 10, and expansion block 7 is in the presence of spring II 19
Retracted along the conical surface of cone 10, until inner ring can be loaded, then nut 13 is reversely rotated, by the pre- swelling of inner ring；Load support ring
Outer shroud, train wheel bridge 2a is rotated outwards, outer shroud is between train wheel bridge 2a and lower plate 2b；Rotating nuts 13 again, by
Outer shroud swelling simultaneously；Argon gas is passed through by breather pipe 14, positioning welding is carried out after argon gas is full of interior ring cavity；Turn round train wheel bridge 2a
Rotation inwards, is supported the welding of ring small end weld seam, after being all soldered cooling, rotating nuts 13 make expansion block 7 retract, and unload and are welded
Part；Bolt I 18 is promoted, drives and promotes 6, small axle 4, the spigot surface that locating piece 3 may be reversed is departed from expansion block 7, manual overturning
The binding face of expansion block 7 is retreated to next time in the effect of the power of spring I 16, check and mark hole may be reversed on locating piece 3 towards consistent court after 180 °
Under, the opposite new fixture of locating surface cone angle is formed, is repeated the above steps, is supported the big end weld seam welding of ring.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.
Claims (5)
- A kind of 1. two-way positioning thin-wall part weld jig, it is characterised in that including：Body seat (1), clamping plate (2), locating piece may be reversed (3), small axle (4), pad (5), distribution (6), expansion block (7), guide plate (8), backing pin (9), cone (10), cover plate (11), mandrel (12), nut (13), breather pipe (14), limit plug (15), spring I (16), split pin (17), bolt I (18), spring II (19), screw I (20), screw II (21), bolt II (22), screw III (23)；The body seat (1) includes upper strata body seat (1a), lower floor's body seat (1b) and located at support member (1c) between the two, it is described on Layer body seat (1a) and lower floor body seat (1b) are equipped with centre bore, and the limit plug (15) is fixed on lower floor's body by screw III (23) The center of seat (1b), mandrel (12) bottom is positioned by limit plug (15) and is fixed on by bolt II (22) On lower floor's body seat (1b), mandrel (12) top is arranged with cone (10) and nut (13), and the nut (13) passes through cover plate (11) and screw I (20) is pressed on cone (10) upper surface；Multiple expansion blocks (7) for being circumferentially evenly arranged and fitting in cone (10) conical surface are provided with outside the cone (10), it is described Expansion block (7) is provided with elongated slot, and backing pin (9) and spring II (19) are provided with elongated slot, and upper strata body seat (1a) top is provided with more The individual guide plate (8) coordinated with expansion block (7), the expansion block (7) are located between guide plate (8) and upper strata body seat (1a)；Expansion block (7) end is provided with small axle (4), and expansion block (7) end offers groove and the radial hole connected with groove, institute The bolt I (18) for being provided with radial hole and promoting (6) and being fixed in distribution (6) is stated, described small axle (4) one end is in groove, institute Spring I (16), pad (5) and the split pin (17) for being provided with groove and coordinating with small axle (4) are stated, small axle (4) other end is fixed There is the turnable locating piece (3) coordinated with expansion block (7), expansion block (7) end is provided with clamping plate (2) by screw II (21), The turnable locating piece (3) is provided with passage (3a), and the passage (3a) is connected with breather pipe (14).
- 2. according to a kind of two-way positioning thin-wall part weld jig described in claim 1, it is characterised in that the turnable positioning Block (3) is secter pat.
- 3. according to a kind of two-way positioning thin-wall part weld jig described in claim 1, it is characterised in that the expansion block (7) and The quantity that locating piece (3) may be reversed is 9.
- 4. according to a kind of two-way positioning thin-wall part weld jig described in claim 1, it is characterised in that the support member (1c) Specially multiple standard steel pipes being arranged circumferentially along upper strata body seat (1a) and lower floor body seat (1b), the standard steel pipe with it is upper Layer body seat (1a) and lower floor's body seat (1b) welding.
- 5. according to a kind of two-way positioning thin-wall part weld jig described in claim 1, it is characterised in that clamping plate (2) bag Include train wheel bridge (2a) and lower plate (2b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046512.7A CN106425256B (en) | 2016-11-23 | 2016-11-23 | A kind of two-way positioning thin-wall part weld jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046512.7A CN106425256B (en) | 2016-11-23 | 2016-11-23 | A kind of two-way positioning thin-wall part weld jig |
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| Publication Number | Publication Date |
|---|---|
| CN106425256A CN106425256A (en) | 2017-02-22 |
| CN106425256B true CN106425256B (en) | 2018-01-23 |
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| CN201611046512.7A Active CN106425256B (en) | 2016-11-23 | 2016-11-23 | A kind of two-way positioning thin-wall part weld jig |
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| Publication number | Publication date |
|---|---|
| CN106425256A (en) | 2017-02-22 |
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Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |