CN109968066A - A kind of clamping device and method for processing steam turbine special vane and integral shroud - Google Patents
A kind of clamping device and method for processing steam turbine special vane and integral shroud Download PDFInfo
- Publication number
- CN109968066A CN109968066A CN201910356870.5A CN201910356870A CN109968066A CN 109968066 A CN109968066 A CN 109968066A CN 201910356870 A CN201910356870 A CN 201910356870A CN 109968066 A CN109968066 A CN 109968066A
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- China
- Prior art keywords
- integral shroud
- clamping device
- steam turbine
- processing
- clamping
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 claims description 15
- 210000003781 Tooth Socket Anatomy 0.000 claims description 8
- 238000005553 drilling Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
Abstract
A kind of clamping device and method for processing steam turbine special vane and integral shroud, is related to clamping tool for machine work field.It, can not be because of the problem of can not carrying out whole circle turnery processing blade after the replacement of partial blade, mismachining tolerance is caused to increase to solve when the partial blade for processing the special movable vane piece of steam turbine replaces integral shroud.One end of fixture base upper surface is symmetrically arranged with No.1 adjustable screw along short side central axes, one end of fixture base upper surface is symmetrically arranged with two No.1 support rods along short side central axes, fixture base upper surface is symmetrically arranged with No. two support rods along long side center, the top of No.1 support rod and No. two support rods is threadedly coupled with follower bolt, fixture base is fixedly connected with L-type support plate, No.1 clamp system is equipped between No. two support rods and L-type support plate, midline is equipped with No. two clamping devices and No. three clamping devices at the top of the long slab other end of L-type support plate.The present invention is suitable for the processing to special vane.
Description
Technical field
The present invention relates to clamping tool for machine work field, and in particular to a kind of clamping for processing steam turbine special vane and integral shroud
Device and method.
Background technique
In the process of existing turbine blade, more commonly used processing method is that technique head is processed into one end, separately
One end processes integral shroud by plain-milling machine or drilling machine.This method is upper comparatively laborious in debugging, and plain-milling machine or drilling machine pair
The top hole precision being processed into is also general.
In conclusion the shortcomings that prior art, is in the integral shroud of the replacement of the partial blade of the processing special movable vane piece of steam turbine
When (blade tail band), because whole circle turnery processing blade can not be carried out after the replacement of partial blade, mismachining tolerance is caused to increase.
Summary of the invention
The present invention is to solve in integral shroud (the blade tail band) for processing the replacement of partial blade of the special movable vane piece of steam turbine,
Because of the problem of can not carrying out whole circle turnery processing blade after the replacement of partial blade, mismachining tolerance is caused to increase, and propose one kind
Process the clamping device and method of steam turbine special vane and integral shroud.
The clamping device of a kind of processing steam turbine special vane and integral shroud of the invention, composition include follower bolt, one
Number support rod, No.1 adjustable screw, fixture base, No. two support rods, L-type support plate, gusset, No. two adjustable screws, cross
To clamp system, longitudinal clamp system and oblique clamp system；
Fixture base upper surface front end central axes or so two parts are not equipped with a pair of of No.1 adjustable screw and a pair two
Adjustable screw, No.1 adjustable screw and No. two adjustable screws are used to support the tail band of blade, a pair of No. two adjustable spiral shells
It is equipped with a No.1 support rod between silk, is symmetrically arranged with the support of another No.1 by line of symmetry of fixture base upper surface central axes
Bar, fixture base upper surface are set by line of symmetry of middle part central axes there are two No. two support rods, No.1 support rod and No. two
The top of support rod is threadedly coupled with follower bolt；
L-type support plate is made of transverse slat and riser, and the end of fixture base upper surface and the transverse slat bottom surface of L-type support plate are solid
The leading flank top midline of fixed connection, L-type support plate riser is equipped with longitudinal clamp, and fixture base upper surface is equipped with pad
Block, and cushion block and longitudinal clamp system are coaxially disposed, the leading flank of L-type support plate riser is equipped with oblique clamping device, at No. two
Horizontal clamping mechanism, horizontal clamping mechanism, longitudinal clamp system and the cooperation of oblique clamp system are equipped between support rod and cushion block
For clamping the root of blade, oblique clamping device and horizontal clamping mechanism are located at the left and right sides of central axes；
Transverse clamping device includes No. two rotary screws and No. three baffles, and No. three baffles are vertically arranged in fixture base,
And it is located at No. two between support rod and cushion block, one end of No. two rotary screws passes through No. three baffles；
Longitudinal clamp includes No.1 baffle and No.1 rotary screw, and No.1 baffle is vertically set on L-type support plate
On on front side of riser, one end of No.1 rotary screw passes through No.1 baffle from top to bottom；
The oblique clamping device includes clamping screw, No. two baffles and pushing block, and No. two baffles are vertically set on L-type branch
On on front side of the riser of fagging, and No. two baffles and horizontal plane, there are 30~60 degree of angle, one end of clamping screw passes through No. two
One end of baffle, clamping screw is fixedly connected with pushing block；
One kind that clamping device based on a kind of described processing steam turbine special vane and integral shroud provides is for processing vapour
The method of turbine special vane and integral shroud, the specific method is as follows:
Step 1: securing the blade in clamping device；
Step 2: using diameter 20mm carbide end mill and diameter 200mm, with a thickness of the inserted carbide cutter tool of 5mm
Piece is processed, the program for setting each process of integral shroud according to the flute profile molded line position degree of blade root is zero point；
Step 3: processing end face determines the position of integral shroud circular arc on the basis of blade-root molded line flute profile, and meet circular arc
Radiation processes each packing tooth socket on the basis of integral shroud circular arc, and guarantees the position degree requirement of tooth socket；
Step 4: the two sides of processing integral shroud.
Compared with the prior art, the invention has the following beneficial effects:
One, the shortcomings that the present invention overcomes the prior arts is realized and is processing the partial blade of the special movable vane piece of steam turbine
It, can not be because whole circle turnery processing blade can not be carried out after the replacement of partial blade when the processing of the integral shroud (blade tail band) of replacement.
Two, the present invention is easy to operate when in use, and stability is good.
Three, the shortcomings that the present invention overcomes the prior arts improves the qualification rate of product.
Four, the shortcomings that the present invention overcomes the prior arts, work in-process reduces mismachining tolerance.
Detailed description of the invention
Fig. 1 is integrally-built front view of the invention；
Fig. 2 is integrally-built side view of the invention；
Fig. 3 is integrally-built top view of the invention；
Fig. 4 is the working principle of the invention schematic diagram.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, a kind of processing steamer described in present embodiment in conjunction with Fig. 1 and 2
The clamping device of machine special vane and integral shroud includes follower bolt 1, No.1 support rod 4, No.1 adjustable screw 5, fixture base
6, No. two support rods 7, L-type support plate 8,9, No. two adjustable screws 11 of gusset, horizontal clamping mechanism, longitudinal clamp system and tiltedly
To clamp system；
6 upper surface front end central axes of fixture base or so two parts are not equipped with a pair of of No.1 adjustable screw 5 and a pair two
Number adjustable screw 11, No.1 adjustable screw 5 and No. two adjustable screws 11 are used to support the tail band of blade 2, No. two a pair of
It is equipped with a No.1 support rod 4 between adjustable screw 11, is symmetrically arranged with separately using 6 upper surface central axes of fixture base as line of symmetry
One No.1 support rod 4,6 upper surface of fixture base are set by line of symmetry of middle part central axes there are two No. two support rods 7, and one
The top of number support rod 4 and No. two support rods 7 is threadedly coupled with follower bolt 1；
L-type support plate 8 is made of transverse slat and riser, the end of 6 upper surface of fixture base and the transverse slat bottom of L-type support plate 8
Face is fixedly connected, and midline is equipped with longitudinal clamp at the top of the leading flank of 8 riser of L-type support plate, and 6 upper surface of fixture base is set
There is cushion block, and cushion block and longitudinal clamp system are coaxially disposed, the leading flank of 8 riser of L-type support plate is equipped with oblique clamping device,
Horizontal clamping mechanism, horizontal clamping mechanism, longitudinal clamp system and oblique clamp system are equipped between No. two support rods 7 and cushion block
It cooperates, for clamping the root of blade 2, oblique clamping device and horizontal clamping mechanism are located at the left and right two of central axes
Side.
Specific embodiment 2: embodiment is described with reference to Fig. 2, present embodiment is to described in specific embodiment one
Running part further restriction, the clamping of a kind of processing steam turbine special vane and integral shroud described in present embodiment fills
It sets, the transverse clamping device includes No. two rotary screws 12 and No. three baffles 16, and No. three baffles 16 are vertically arranged in fixture
On pedestal 6, and between No. two support rods 7 and cushion block, one end of No. two rotary screws 12 passes through No. three baffles 16.
Specific embodiment 3: embodiment is described with reference to Fig. 2, present embodiment is to described in specific embodiment one
Running part further restriction, the clamping of a kind of processing steam turbine special vane and integral shroud described in present embodiment fills
It sets, the longitudinal clamp includes No.1 baffle 10 and No.1 rotary screw 3, and No.1 baffle 10 is vertically set on L-type branch
On on front side of the riser of fagging 8, one end of No.1 rotary screw 3 passes through No.1 baffle 10 from top to bottom.
Specific embodiment 4: embodiment is described with reference to Fig. 2, present embodiment is to described in specific embodiment one
Running part further restriction, the clamping of a kind of processing steam turbine special vane and integral shroud described in present embodiment fills
It sets, the oblique clamping device includes that 15, No. two baffles 14 of clamping screw and pushing block 13, No. two baffles 14 are vertically set on L
On on front side of the riser of type support plate 8, and there are 30~60 degree of angle, one end of clamping screw 15 with horizontal plane for No. two baffles 14
Across No. two baffles 14, one end of clamping screw 15 is fixedly connected with pushing block 13.
Specific embodiment 5: embodiment is described with reference to Fig. 2, present embodiment is to described in specific embodiment one
Running part further restriction, the clamping of a kind of processing steam turbine special vane and integral shroud described in present embodiment fills
It sets, the root lower surface of the blade 2 contacts placement with cushion block upper surface, and the top bottom surface of blade 2 and two No.1s can be with
The tip contact of adjusting screw 5 and two No. two adjusting screws 11 adjusts No.1 adjustable screw 5 and No. two adjustable screws
11, make blade at horizontal positioned, then adjust No.1 support rod 4 and No. two support rods 7, blade 2 is locked by plate screw 1
Tightly, the No.1 rotary screw 3 of longitudinal clamp, two on pushing block 13 and transverse clamping device on oblique clamping device are adjusted
Number rotary screw 12 locks the root of blade 2.
Specific embodiment 6: embodiment is described with reference to Fig. 2, present embodiment is to described in specific embodiment four
Running part further restriction, the clamping of a kind of processing steam turbine special vane and integral shroud described in present embodiment fills
It sets, No. two baffles 14 on the oblique clamp system and horizontal angle are 60 degree.
Specific embodiment 7: embodiment is described with reference to Fig. 2, present embodiment is to described in specific embodiment one
Running part further restriction, the clamping of a kind of processing steam turbine special vane and integral shroud described in present embodiment fills
It sets, multiple gussets 9 is equipped between the transverse slat upper surface and riser of the L-type support plate 8, the number range of gusset 9 is 2~4
Between.
Specific embodiment 8: embodiment is described with reference to Fig. 2, present embodiment is to described in specific embodiment one
Running part further restriction, the clamping of a kind of processing steam turbine special vane and integral shroud described in present embodiment fills
It sets, the bottom end of the No.1 rotary screw 3 and No. two rotary screws 12 is equipped with rubber plug.
Specific embodiment 9: embodiment is described with reference to Fig. 2, present embodiment is to described in specific embodiment one
Running part further restriction, the clamping of a kind of processing steam turbine special vane and integral shroud described in present embodiment fills
It sets, the L-type support plate 8 is fixedly connected by bolt with 6 upper surface of fixture base.
Specific embodiment 10: embodiment is described with reference to Fig. 2, based on a kind of processing steam turbine special vane
A kind of method for processing steam turbine special vane and integral shroud provided with the clamping device of integral shroud, the specific method is as follows:
Step 1: blade 2 is fixed in clamping device；
Step 2: using diameter 20mm carbide end mill and diameter 200mm, with a thickness of the inserted carbide cutter tool of 5mm
Piece is processed, the program for setting each process of integral shroud according to the flute profile molded line position degree of blade root is zero point；
Step 3: processing end face determines the position of integral shroud circular arc on the basis of blade-root molded line flute profile, and meet circular arc
Radiation processes each packing tooth socket on the basis of integral shroud circular arc, and guarantees the position degree requirement of tooth socket；
Step 4: the two sides of processing integral shroud.
Specific embodiment 11: embodiment is described with reference to Fig. 2, and present embodiment is to one institute of specific embodiment
The further restriction for the running part stated, a kind of clamping of processing steam turbine special vane and integral shroud described in present embodiment
Angle formed by the line of device, a pair of of No.1 adjustable screw (5) line and a pair of No. two adjustable screws (11)
It is 60~80 degree.
Working principle
When in use, the root lower surface of blade 2 is contacted placement, the top of blade 2 with cushion block upper surface by operator
The tip contact of bottom surface and two No.1s adjustable screw 5 and two No. two adjusting screws 11 adjusts No.1 adjustable screw 5
With No. two adjustable screws 11, make blade at horizontal positioned, then adjust No.1 support rod 4 and No. two support rods 7, passes through pressing plate spiral shell
1 pair of blade 2 of silk is locked, and the No.1 rotary screw 3 of longitudinal clamp, pushing block 13 and cross on oblique clamping device are adjusted
No. two rotary screws 12 on clamping device lock the root of blade 2；
Detailed process is as follows for processing method:
Step 1: securing the blade in clamping device；
Step 2: using diameter 20mm carbide end mill and diameter 200mm, with a thickness of the inserted carbide cutter tool of 5mm
Piece is processed, the program for setting each process of integral shroud according to the flute profile molded line position degree of blade root is zero point；
Step 3: processing end face determines the position of integral shroud circular arc on the basis of blade-root molded line flute profile, and meet circular arc
Radiation processes each packing tooth socket on the basis of integral shroud circular arc, and guarantees the position degree requirement of tooth socket；
Step 4: the two sides of processing integral shroud.
Claims (10)
1. a kind of clamping device for processing steam turbine special vane and integral shroud, it is characterised in that: the clamping device includes pressure
Crab bolt (1), No.1 support rod (4), No.1 adjustable screw (5), fixture base (6), No. two support rods (7), L-type support plates
(8), gusset (9), No. two adjustable screws (11), horizontal clamping mechanism, longitudinal clamp system and oblique clamp system；
Fixture base (6) upper surface front end central axes or so two parts are not equipped with a pair of of No.1 adjustable screw (5) and a pair two
Number adjustable screw (11), No.1 adjustable screw (5) and No. two adjustable screws (11) are used to support the tail band of blade (2),
It is equipped with a No.1 support rod (4) between a pair of No. two adjustable screws (11), is pair with fixture base (6) upper surface central axes
Line is claimed to be symmetrically arranged with another No.1 support rod (4), there are two fixture base (6) upper surface is set using middle part central axes as line of symmetry
The top of one No. two support rod (7), No.1 support rod (4) and No. two support rods (7) is threadedly coupled with follower bolt (1)；
L-type support plate (8) is made of transverse slat and riser, the end of fixture base (6) upper surface and the transverse slat of L-type support plate (8)
Bottom surface is fixedly connected, and midline is equipped with longitudinal clamp at the top of the leading flank of L-type support plate (8) riser, in fixture base (6)
Surface is equipped with cushion block, and cushion block and longitudinal clamp system are coaxially disposed, and the leading flank of L-type support plate (8) riser is equipped with oblique folder
Tight device, is equipped with horizontal clamping mechanism between No. two support rods (7) and cushion block, horizontal clamping mechanism, longitudinal clamp system and
Oblique clamp system cooperates, and for clamping the root of blade (2), oblique clamping device and horizontal clamping mechanism are located at
The left and right sides of central axes.
2. a kind of clamping device for processing steam turbine special vane and integral shroud according to claim 1, it is characterised in that: institute
The transverse clamping device stated includes No. two rotary screws (12) and No. three baffles (16), and No. three baffles (16) are vertically arranged in fixture
On pedestal (6), and between No. two support rods (7) and cushion block, one end of No. two rotary screws (12) passes through No. three baffles
(16)。
3. a kind of clamping device for processing steam turbine special vane and integral shroud according to claim 1, it is characterised in that: institute
The longitudinal clamp stated includes No.1 baffle (10) and No.1 rotary screw (3), and No.1 baffle (10) is vertically set on L-type branch
On on front side of the riser of fagging (8), one end of No.1 rotary screw (3) passes through No.1 baffle (10) from top to bottom.
4. a kind of clamping device for processing steam turbine special vane and integral shroud according to claim 1, it is characterised in that: institute
The oblique clamping device stated includes clamping screw (15), No. two baffles (14) and pushing block (13), and No. two baffles (14) are vertically arranged
On the riser front side of L-type support plate (8), and there are 30~60 degree of angle, clamping screws with horizontal plane for No. two baffles (14)
(15) one end passes through No. two baffles (14), and one end of clamping screw (15) is fixedly connected with pushing block (13).
5. a kind of clamping device for processing steam turbine special vane and integral shroud according to claim 4, it is characterised in that: institute
No. two baffles (14) and horizontal angle on the oblique clamp system stated are 60 degree.
6. a kind of clamping device for processing steam turbine special vane and integral shroud according to claim 1, it is characterised in that: institute
Angle formed by the line of a pair of of No.1 adjustable screw (5) line and a pair of No. two adjustable screws (11) stated is 60~80
Degree.
7. a kind of clamping device for processing steam turbine special vane and integral shroud according to claim 1, it is characterised in that: institute
Multiple gussets (9) are equipped between the transverse slat upper surface and riser of the L-type support plate (8) stated, the number range of gusset (9) is 2~4
Between.
8. a kind of clamping device for processing steam turbine special vane and integral shroud according to claim 1, it is characterised in that: institute
The bottom end of the No.1 rotary screw (3) and No. two rotary screws (12) stated is equipped with rubber plug.
9. a kind of clamping device for processing steam turbine special vane and integral shroud according to claim 1, it is characterised in that: institute
The L-type support plate (8) stated is fixedly connected by bolt with fixture base (6) upper surface.
10. based on a kind of a kind of use for the clamping device offer for processing steam turbine special vane and integral shroud described in claim 1
In the method for processing steam turbine special vane and integral shroud, which is characterized in that the specific method is as follows:
Step 1: blade (2) are fixed in clamping device；
Step 2: using diameter 20mm carbide end mill and diameter 200mm, with a thickness of 5mm inserted carbide come
Processing, the program for setting each process of integral shroud according to the flute profile molded line position degree of blade root is zero point；
Step 3: processing end face determines the position of integral shroud circular arc on the basis of blade-root molded line flute profile, and meet the radiation of circular arc
Line processes each packing tooth socket on the basis of integral shroud circular arc, and guarantees the position degree requirement of tooth socket；
Step 4: the two sides of processing integral shroud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910356870.5A CN109968066A (en) | 2019-04-29 | 2019-04-29 | A kind of clamping device and method for processing steam turbine special vane and integral shroud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910356870.5A CN109968066A (en) | 2019-04-29 | 2019-04-29 | A kind of clamping device and method for processing steam turbine special vane and integral shroud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109968066A true CN109968066A (en) | 2019-07-05 |
Family
ID=67087117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910356870.5A Pending CN109968066A (en) | 2019-04-29 | 2019-04-29 | A kind of clamping device and method for processing steam turbine special vane and integral shroud |
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| Country | Link |
|---|---|
| CN (1) | CN109968066A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497338A (en) * | 2019-08-16 | 2019-11-26 | 成都和鸿科技有限公司 | A kind of heavy duty gas turbine stator blade obturages grooving apparatus and its processing method |
| CN110508853A (en) * | 2019-09-06 | 2019-11-29 | 哈尔滨汽轮机厂有限责任公司 | The processing method of helical teeth in a kind of helical teeth steam seal ring |
| CN110834081A (en) * | 2019-11-26 | 2020-02-25 | 中国航发沈阳黎明航空发动机有限责任公司 | Multipurpose linear cutting clamp for single crystal blade with crown and cutting method thereof |
| CN112548176A (en) * | 2020-12-01 | 2021-03-26 | 哈尔滨汽轮机厂有限责任公司 | Steam turbine rotor blade fitting machining method |
-
2019
- 2019-04-29 CN CN201910356870.5A patent/CN109968066A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497338A (en) * | 2019-08-16 | 2019-11-26 | 成都和鸿科技有限公司 | A kind of heavy duty gas turbine stator blade obturages grooving apparatus and its processing method |
| CN110508853A (en) * | 2019-09-06 | 2019-11-29 | 哈尔滨汽轮机厂有限责任公司 | The processing method of helical teeth in a kind of helical teeth steam seal ring |
| CN110834081A (en) * | 2019-11-26 | 2020-02-25 | 中国航发沈阳黎明航空发动机有限责任公司 | Multipurpose linear cutting clamp for single crystal blade with crown and cutting method thereof |
| CN110834081B (en) * | 2019-11-26 | 2021-04-27 | 中国航发沈阳黎明航空发动机有限责任公司 | Multipurpose linear cutting clamp for single crystal blade with crown and cutting method thereof |
| CN112548176A (en) * | 2020-12-01 | 2021-03-26 | 哈尔滨汽轮机厂有限责任公司 | Steam turbine rotor blade fitting machining method |
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