CN206702689U - The back of the body special positioning fixture of arc in a kind of roughing blade - Google Patents
The back of the body special positioning fixture of arc in a kind of roughing blade Download PDFInfo
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- CN206702689U CN206702689U CN201720568694.8U CN201720568694U CN206702689U CN 206702689 U CN206702689 U CN 206702689U CN 201720568694 U CN201720568694 U CN 201720568694U CN 206702689 U CN206702689 U CN 206702689U
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- thimble
- bottom plate
- blade
- seat
- thimble seat
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Abstract
The back of the body special positioning fixture of arc in a kind of roughing blade, it is related to turbine Blade Machining field.The utility model processes the processing mode for going surplus to take scribing by bench worker to solve back of the body arc surface in existing roughing blade, exist surplus remove it is uneven, the uniformity of batch machining size is poor, and position inaccurate, the problem of non-cutting time of centering is grown when processing each part blade, and efficiency is low.Three positioners of the present utility model are arranged in the thimble screw thread sets of holes of support meanss, integral shroud thimble seat is positioned at the side of bottom plate by the boss of integral shroud thimble seat and the groove location fit of bottom plate, multiple attachment screws coordinate integral shroud thimble seat location and installation on bottom plate with square-head nut, blade root thimble seat is positioned at the opposite side of bottom plate by the boss of blade root thimble seat and the groove location fit of bottom plate, and multiple attachment screws coordinate blade root thimble seat location and installation on bottom plate with square-head nut.The utility model is used for the roughing positioning of back of the body arc in blade.
Description
Technical field
It the utility model is related to large-diameter workpiece and block manufacture field, and in particular to back of the body arc is special in a kind of roughing blade
Positioning fixture.
Background technology
Blade is an important composition part of steam-turbine unit, for high-temperature alloy blades, is carried on the back in roughing blade
During arc surface, unworkability and larger removal surplus due to material, gone using the progress roughing of cutting on line lathe remaining
Amount, takes scribing by bench worker, the processing mode of surplus is removed by line in the past, and not only surplus removes uneven, and processing efficiency is relatively low.
In summary, back of the body arc surface processes the processing mode for going surplus to take scribing by bench worker in existing roughing blade,
Exist surplus remove it is uneven, the uniformity of batch machining size is poor, and position inaccurate, and centering is auxiliary when processing each part blade
The time is helped to grow, the problem of efficiency is low.
Utility model content
The purpose of this utility model is to go surplus to take pincers to solve to carry on the back arc surface processing in existing roughing blade
Work line processing mode, exist surplus remove it is uneven, the uniformity of batch machining size is poor, and position inaccurate, processing
The problem of non-cutting time of centering is grown during each part blade, and efficiency is low.And then it is special fixed to provide back of the body arc in a kind of roughing blade
Position fixture.
The technical solution of the utility model is：
The back of the body special positioning fixture of arc in a kind of roughing blade, it includes support meanss and three positioners, and three fixed
Position device be arranged on support meanss thimble screw thread sets of holes in, support meanss include bottom plate, integral shroud thimble seat, blade root thimble seat,
Multiple square-head nuts, multiple attachment screws and multiple straight pins,
Bottom plate is rectangular base plate, and the upper surface of rectangular base plate opens up groove, the bottom of groove both sides along its longitudinal axis direction
Open up four dovetail grooves on plate, two square-head nuts of location and installation in each dovetail groove, integral shroud thimble seat location and installation is in bottom plate
On, the lower surface of integral shroud thimble seat is provided with boss, the boss of integral shroud thimble seat and the groove location fit of bottom plate by integral shroud thimble
Seat is positioned at the side of bottom plate, and the top of integral shroud thimble seat opens up the first thimble thread bush through hole, the first thimble thread bush through hole
Four the first screws are opened up on the integral shroud thimble seat of both sides by hole, multiple attachment screws through four the first screws by hole with
Square-head nut in dovetail groove coordinates by integral shroud thimble seat location and installation on bottom plate,
For blade root thimble seat location and installation on bottom plate, the lower surface of blade root thimble seat is provided with boss, blade root thimble seat it is convex
Blade root thimble seat is positioned at the opposite side of bottom plate by the groove location fit of platform and bottom plate, and the top of blade root thimble seat opens up two
Second thimble thread bush through hole, four the second screws are opened up on the blade root thimble seat of two the second thimble thread bush through hole both sides and are led to
Via, multiple attachment screws are coordinated through four the second screws by hole with the square-head nut in dovetail groove determines blade root thimble seat
Position is arranged on bottom plate,
Each positioner includes thimble, thimble thread bush, adjusting sleeve and split pin, and thimble thread bush passes through multiple cylinders
Finger setting is arranged on two the second thimble spiral shells in the first thimble thread bush through hole on integral shroud thimble seat and on blade root thimble seat
In line set through hole, it is threadedly coupled between one end of thimble thread bush and adjusting sleeve, thimble is arranged in the endoporus of thimble thread bush,
One end processing taper work face of thimble, taper work face coordinate with the positioning hole on blade, and the other end of thimble passes through adjustment
Cover and be fixed on by split pin in adjusting sleeve.
Further, the centre position of bottom plate opens up rectangular through-hole.
Further, the both ends of bottom plate process two screwed holes.
Further, the outer surface processing reticulate pattern of adjusting sleeve.
Further, the angle in the taper work face of thimble is α, α=60 °.
Further, it also includes plain washer, and plain washer is sleeved on the thimble between adjusting sleeve and split pin.
The utility model has the following effects that compared with prior art：
1st, three thimbles of the present utility model are respectively by adjusting sleeve location and installation in integral shroud thimble seat and blade root thimble seat
On, adjust the extension elongation of thimble, 60 ° of taper work faces and the thimble on processed blade of thimble by screwing adjusting sleeve
Positioning hole coordinates, and blade is accurately located at into operating position, due to being accurately positioned using the same benchmark of three thimbles, effectively improves
The removal precision of blade roughing surplus, roughing precision bring up to ± 0.2mm by original ± 1mm.
2nd, the utility model uses three thimble positioning methods, when processing each part blade due to reducing during the auxiliary of centering
Between, it is effectively improved back of the body arc roughing efficiency in blade.
3rd, three thimble thread bush 5 of the present utility model by multiple straight pins distinguish location and installation in integral shroud thimble seat and
On blade root thimble seat, using straight pin positioning thimble thread bush, it effectively prevent thimble thread bush and rotated in processing, and then
It ensure that each part blade dimensions uniformity of batch machining in 0 to 0.3mm, effectively increases product processing quality.
Brief description of the drawings
Fig. 1 is front view of the present utility model；Fig. 2 is Fig. 1 top view；Fig. 3 is the top view of bottom plate 1；Fig. 4 is Fig. 3
Left view；Fig. 5 is the front view of integral shroud thimble seat 2；Fig. 6 is Fig. 5 side view；Fig. 7 is Fig. 5 top view；Fig. 8 is blade root
The front view of thimble seat 3；Fig. 9 is Fig. 8 side view；Figure 10 is Fig. 8 top view；Figure 11 is the top view of thimble thread bush 5；
Figure 12 is Figure 11 front view；Figure 13 is the front view of thimble 4；Figure 14 is the front view of adjusting sleeve 6.
Embodiment
Embodiment one：Illustrate present embodiment, a kind of roughing blade of present embodiment with reference to Fig. 1 to Figure 14
The interior back of the body special positioning fixture of arc, it includes support meanss and three positioners, and three positioners are arranged on support meanss
In thimble screw thread sets of holes, support meanss include bottom plate 1, integral shroud thimble seat 2, blade root thimble seat 3, multiple square-head nuts 7, Duo Gelian
Screw 8 and multiple straight pins 9 are connect,
Bottom plate 1 is rectangular base plate, and the upper surface of rectangular base plate opens up groove 1-2, groove 1-2 two along its longitudinal axis direction
Two square-head nuts 7 of location and installation in four dovetail grooves 1-1, each dovetail groove 1-1, integral shroud thimble seat 2 are opened up on the bottom plate 1 of side
For location and installation on bottom plate 1, the lower surface of integral shroud thimble seat 2 is provided with boss 2-1, boss 2-1 and the bottom plate 1 of integral shroud thimble seat 2
Groove 1-2 location fits integral shroud thimble seat 2 is positioned to the side of bottom plate 1, the top of integral shroud thimble seat 2 opens up the first thimble
Thread bush through hole 2-2, four the first screws are opened up on the integral shroud thimble seat 2 of the first thimble thread bush through hole 2-2 both sides and pass through hole
2-4, multiple attachment screws 8 are coordinated integral shroud through four the first screws by the square-head nut 7 in hole 2-4 and dovetail groove 1-1
The location and installation of thimble seat 2 on bottom plate 1,
For the location and installation of blade root thimble seat 3 on bottom plate 1, the lower surface of blade root thimble seat 3 is provided with boss 3-1, blade root thimble
Blade root thimble seat 3 is positioned at the opposite side of bottom plate 1, blade root thimble with the groove 1-2 location fits of bottom plate 1 by 3 boss 3-1 of seat
The top of seat 3 opens up two the second thimble thread bush through hole 3-2, the blade root top of two the second thimble thread bush through hole 3-2 both sides
Four the second screws are opened up on needle stand 3 by hole 3-4, multiple attachment screws 8 through four the second screws by hole 3-4 with it is trapezoidal
Square-head nut 7 in groove 1-1 coordinates by the location and installation of blade root thimble seat 3 on bottom plate 1,
Each positioner includes thimble 4, thimble thread bush 5, adjusting sleeve 6 and split pin 11, and thimble thread bush 5 is by more
The individual location and installation of straight pin 9 in the first thimble thread bush through hole 2-2 on integral shroud thimble seat 2 and blade root thimble seat 3 on two
In individual second thimble thread bush through hole 3-2, it is threadedly coupled between one end of thimble thread bush 5 and adjusting sleeve 6, thimble 4 is arranged on
In the endoporus 5-1 of thimble thread bush 5, one end processing taper work face of thimble 4, taper work face is matched somebody with somebody with the positioning hole on blade
Close, the other end of thimble 4 is fixed on adjusting sleeve 6 in through adjusting sleeve 6 and by split pin 11.
Embodiment two：Illustrate present embodiment with reference to Fig. 3, the centre position of the bottom plate 1 of present embodiment opens up
Rectangular through-hole 1-3.It is arranged such, rectangular through-hole 1-3 is working space when surplus is gone in cutting.It is other composition and annexation and
Embodiment one is identical.
Embodiment three：Illustrate present embodiment with reference to Fig. 3, the both ends of the bottom plate 1 of present embodiment process two
Screwed hole 1-4.It is arranged such, screwed hole 1-4 and the outside lifting bolt at the both ends of bottom plate 1 coordinate, and it is fixed to be lifted by crane using lifting bolt
Position fixture.Other compositions and annexation are identical with embodiment one or two.
Embodiment four：Illustrate present embodiment with reference to Fig. 1,2 and Figure 14, the adjusting sleeve 6 of present embodiment it is outer
Surface Machining reticulate pattern.It is arranged such, when screwing adjusting sleeve 6, the reticulate pattern of adjusting sleeve outer surface can increase frictional force, be easy to adjust
The position of whole thimble.Other compositions and annexation are identical with embodiment one, two or three.
Embodiment five：Illustrate present embodiment with reference to Figure 13, the taper work face of the thimble 4 of present embodiment
Angle is α, α=60 °.It is arranged such, 60 ° of taper work faces of thimble 4 coordinate with the thimble positioning bellmouth on blade, realize
The precise positioning of the blade of thimble 4 so that the processing of blade has higher accuracy.Other compositions and annexation and specific reality
It is identical to apply mode one, two, three or four.
Embodiment six：Illustrate present embodiment with reference to Fig. 1 and 2, present embodiment also includes plain washer 10, plain cushion
Circle 10 is sleeved on the thimble 4 between adjusting sleeve 6 and split pin 11.It is arranged such, avoids for a long time using split pin to adjustment
The abrasion of set 6.Other compositions and annexation are identical with embodiment one, two, three, four or five.
Operation principle：
Illustrate operation principle of the present utility model with reference to Fig. 1 to Figure 14, the boss 2-1 of integral shroud thimble seat 2 is recessed with bottom plate 1
Integral shroud thimble seat 2 is positioned at the side of bottom plate 1 by groove 1-2 location fits, and multiple attachment screws 8 pass through through four the first screws
Square-head nut 7 in hole 2-4 and dovetail groove 1-1 coordinates the location and installation of integral shroud thimble seat 2 on bottom plate 1；
Blade root thimble seat 3 is positioned at bottom plate 1 by the boss 3-1 of blade root thimble seat 3 with the groove 1-2 location fits of bottom plate 1
Opposite side, the square-head nut 7 that multiple attachment screws 8 pass through through four the second screws in hole 3-4 and dovetail groove 1-1 coordinates will
The location and installation of blade root thimble seat 3 is on bottom plate 1；
First thimble thread bush through hole of the thimble thread bush 5 by multiple location and installations of straight pin 9 on integral shroud thimble seat 2
In two the second thimble thread bush through hole 3-2 in 2-2 and on blade root thimble seat 3, one end and the adjusting sleeve 6 of thimble thread bush 5
Between be threadedly coupled, thimble 4 is arranged in the endoporus 5-1 of thimble thread bush 5, and the other end of thimble 4 is through adjusting sleeve 6 and passes through
Split pin 11 is fixed in adjusting sleeve 6.Adjustment adjusting sleeve 6 drives thimble 4 to move, the taper work face of the one end of thimble 4 and blade
On positioning hole coordinate, realize blade positioning clamp and dismounting.
Claims (6)
- A kind of 1. back of the body special positioning fixture of arc in roughing blade, it is characterised in that：It includes support meanss and three positioning dresses Put, three positioners are arranged in the thimble screw thread sets of holes of support meanss, and support meanss include bottom plate (1), integral shroud thimble seat (2), blade root thimble seat (3), multiple square-head nuts (7), multiple attachment screws (8) and multiple straight pins (9),Bottom plate (1) is rectangular base plate, and the upper surface of rectangular base plate opens up groove (1-2), groove (1-2) along its longitudinal axis direction Open up four dovetail grooves (1-1) on the bottom plate (1) of both sides, each interior two square-head nuts (7) of location and installation of dovetail groove (1-1), For integral shroud thimble seat (2) location and installation on bottom plate (1), the lower surface of integral shroud thimble seat (2) is provided with boss (2-1), integral shroud thimble Integral shroud thimble seat (2) is positioned at the one of bottom plate (1) by the seat boss (2-1) of (2) with groove (1-2) location fit of bottom plate (1) Side, the top of integral shroud thimble seat (2) open up the first thimble thread bush through hole (2-2), first thimble thread bush through hole (2-2) both sides Integral shroud thimble seat (2) on open up four the first screws and pass through four the first screws by hole (2-4), multiple attachment screws (8) Coordinated by the square-head nut (7) in hole (2-4) and dovetail groove (1-1) by integral shroud thimble seat (2) location and installation in bottom plate (1) On,For blade root thimble seat (3) location and installation on bottom plate (1), the lower surface of blade root thimble seat (3) is provided with boss (3-1), blade root Blade root thimble seat (3) is positioned at bottom plate (1) by the boss (3-1) of thimble seat (3) with groove (1-2) location fit of bottom plate (1) Opposite side, the top of blade root thimble seat (3) opens up two the second thimble thread bush through holes (3-2), two the second thimble screw threads Four the second screws are opened up on the blade root thimble seat (3) of set through hole (3-2) both sides to wear by hole (3-4), multiple attachment screws (8) Four the second screws are crossed by the square-head nut (7) in hole (3-4) and dovetail groove (1-1) to coordinate blade root thimble seat (3) positioning On bottom plate (1),Each positioner includes thimble (4), thimble thread bush (5), adjusting sleeve (6) and split pin (11), thimble thread bush (5) By being pushed up in the first thimble thread bush through hole (2-2) of multiple straight pins (9) location and installation on integral shroud thimble seat (2) with blade root In two the second thimble thread bush through holes (3-2) on needle stand (3), spiral shell between one end of thimble thread bush (5) and adjusting sleeve (6) Line is connected, and thimble (4) is arranged in the endoporus (5-1) of thimble thread bush (5), one end processing taper work face of thimble (4), cone Shape working face coordinates with the positioning hole on blade, and the other end of thimble (4) is through adjusting sleeve (6) and fixed by split pin (11) In adjusting sleeve (6).
- 2. the back of the body special positioning fixture of arc in a kind of roughing blade according to claim 1, it is characterised in that：Bottom plate (1) Centre position open up rectangular through-hole (1-3).
- 3. the back of the body special positioning fixture of arc in a kind of roughing blade according to claim 2, it is characterised in that：Bottom plate (1) Both ends process two screwed holes (1-4).
- 4. the back of the body special positioning fixture of arc in a kind of roughing blade according to claim 3, it is characterised in that：Adjusting sleeve (6) outer surface processing reticulate pattern.
- 5. the back of the body special positioning fixture of arc in a kind of roughing blade according to claim 1, it is characterised in that：Thimble (4) The angle in taper work face be α, α=60 °.
- 6. the back of the body special positioning fixture of arc in a kind of roughing blade according to claim 1, it is characterised in that：It also includes Plain washer (10), plain washer (10) are sleeved on the thimble (4) between adjusting sleeve (6) and split pin (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720568694.8U CN206702689U (en) | 2017-05-19 | 2017-05-19 | The back of the body special positioning fixture of arc in a kind of roughing blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720568694.8U CN206702689U (en) | 2017-05-19 | 2017-05-19 | The back of the body special positioning fixture of arc in a kind of roughing blade |
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| Publication Number | Publication Date |
|---|---|
| CN206702689U true CN206702689U (en) | 2017-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720568694.8U Active CN206702689U (en) | 2017-05-19 | 2017-05-19 | The back of the body special positioning fixture of arc in a kind of roughing blade |
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| CN (1) | CN206702689U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381234A (en) * | 2018-05-08 | 2018-08-10 | 贵州工程应用技术学院 | Jun type blade processing fixture and clamping processing method |
| CN110524279A (en) * | 2019-09-11 | 2019-12-03 | 四川航天长征装备制造有限公司 | A kind of tab weld root cleaning device |
-
2017
- 2017-05-19 CN CN201720568694.8U patent/CN206702689U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381234A (en) * | 2018-05-08 | 2018-08-10 | 贵州工程应用技术学院 | Jun type blade processing fixture and clamping processing method |
| CN108381234B (en) * | 2018-05-08 | 2023-09-12 | 贵州工程应用技术学院 | Blade processing clamp and clamping processing method |
| CN110524279A (en) * | 2019-09-11 | 2019-12-03 | 四川航天长征装备制造有限公司 | A kind of tab weld root cleaning device |
| CN110524279B (en) * | 2019-09-11 | 2021-03-19 | 四川航天长征装备制造有限公司 | Ji tablet back chipping device |
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