CN106271976A - Axial compressor rotor sheet special jig for grinding - Google Patents
Axial compressor rotor sheet special jig for grinding Download PDFInfo
- Publication number
- CN106271976A CN106271976A CN201610668613.1A CN201610668613A CN106271976A CN 106271976 A CN106271976 A CN 106271976A CN 201610668613 A CN201610668613 A CN 201610668613A CN 106271976 A CN106271976 A CN 106271976A
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- supporting walls
- moving vane
- grinding
- axial compressor
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Abstract
The invention discloses a kind of Rotor in Axial Compressor moving vane grinding fixture, including body, and the pressing plate being connected with described body on the body is set, described body includes pedestal, and it is arranged on upwardly extending first supporting walls in described pedestal both sides and the second supporting walls, base inner surface between described first supporting walls and the second supporting walls is inclined-plane, and be ground the angle of face and described moving vane centrage with described moving vane equal at the inclination angle on described inclined-plane；Described pressing plate includes the first connecting portion and second connecting portion of connection corresponding with described first supporting walls and the second supporting walls, and it being fixedly connected on the 3rd connecting portion between described first connecting portion and the second connecting portion, described 3rd connecting portion inner surface is the inclined-plane parallel with the inclined-plane of described base-plates surface.The Rotor in Axial Compressor moving vane grinding fixture that the present invention provides, it is possible to ensure that moving vane is ground holding level in face in grinding process, facilitate the grinding of moving vane.
Description
Technical field
The present invention relates to the processing and manufacturing technical field of rotor blade, particularly to a kind of axial compressor rotor sheet mill
Cut special fixture.
Background technology
Axial Flow Compressor is compared with centrifugal compressor, due to gas flowing within the compressor, is not along radius side
To but vertically, so the advantage of Axial Flow Compressor is: the gas through-flow ability of unit are is big, at identical processing gas
Under the precondition of the scale of construction, radial dimension is little, is particularly well-suited to the occasion of the big flow of requirement.It addition, Axial Flow Compressor also has
There is the advantage such as simple in construction, operation maintenance convenience.Therefore, the use of Axial Flow Compressor is increasingly extensive.But Axial Flow Compressor
The moving vane molded line of rotor is complicated, and manufacturing process requires height.Particularly clamping to moving vane in grinding process, current leaf
Plate clamp is the most inapplicable.
Summary of the invention
The main object of the present invention is to propose a kind of axial compressor rotor sheet special jig for grinding, it is intended to solve axial flow pressure
The rotor blade of contracting machine clamping problem in grinding process.
For achieving the above object, the axial compressor rotor sheet special jig for grinding that the present invention proposes, including body, and set
Putting the pressing plate being connected on the body with described body, described body includes pedestal, and it is lateral to be arranged on described pedestal two
First supporting walls of upper extension and the second supporting walls, the base inner surface between described first supporting walls and the second supporting walls is oblique
Face, and be ground the angle of face and described moving vane centrage with described moving vane equal at the inclination angle on described inclined-plane；Described pressing plate
Including the first connecting portion and second connecting portion of connection corresponding with described first supporting walls and the second supporting walls, and fixing connection
The 3rd connecting portion between described first connecting portion and the second connecting portion, the inner surface of described 3rd connecting portion is and described base
The inclined-plane that the inclined-plane of seating face is parallel.
Further, described first supporting walls and the second supporting walls being respectively arranged with the first screwed hole, described first even
The portion that connects is respectively equipped with connecting hole with the second corresponding described first screwed hole of connecting portion.
Further, also including spiro connecting piece, described spiro connecting piece is respectively by described first connecting portion and the second connecting portion back
It is screwed onto in described first screwed hole through described connecting hole.
Further, described first supporting walls is or/and the sidepiece of the second supporting walls is provided with the second spiral shell extended to inner side
Pit.
Further, it is provided with clamp screw fitting in described second screwed hole.
Further, described clamp screw fitting includes C:0.12-0.13%, Si:0.14-by percentage to the quality
0.15%, Mn:1.0-1.1%, Cr:1.20-1.40%, Ti:0.06-0.07%, Nb:0.05-0.09%, V:0.006-
0.009%, Sc:0.005-0.02%, Ni:0.02-0.04%, B:0.01-0.25%, Tb:0.15-0.2%, P:0.005-
0.025%, S:0.035-0.04%, surplus is Fe and impurity element.
Further, described clamp screw fitting is obtained by following technique:
Described steel are carried out under the conditions of 960-980 DEG C isothermal normalizing process, is incubated 260-280min；
Carry out Carburization Treatment, including being warming up to 915-920 DEG C, be incubated 95-105min, then be down to 900-910 DEG C, insulation
55-65min, is then down to 845-855 DEG C, is incubated 45-50min, then lowers the temperature；
Carrying out temper, wherein, temperature is 165-175 DEG C, and the time of temper is 85-95min.
A kind of axial compressor rotor sheet special jig for grinding that the present invention provides, contacts body with moving vane with pressing plate
Surface be disposed as inclined-plane, and be set to the inclination angle on inclined-plane be ground the angle phase of face and moving vane centrage with moving vane
Deng, so, when after clamp moving vane, it is possible to ensure the face that the is ground holding level of moving vane, facilitate the grinding of moving vane.
And this fixture makes and is simple and convenient to operate, it is possible to reduce production cost, improve production efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to the structure shown in these accompanying drawings.
The structural representation of the axial compressor rotor sheet special jig for grinding that Fig. 1 provides for the present invention；
The use structural representation of the axial compressor rotor sheet special jig for grinding that Fig. 2 provides for the present invention.
Drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 1 | Body | 3 | Spiro connecting piece |
| 11 | Pedestal | 4 | Fixing spiro connecting piece |
| 12 | First supporting walls | 5 | Connecting hole |
| 13 | Second supporting walls | 6 | First screwed hole |
| 14 | Base inner surface | 7 | Second screwed hole |
| 2 | Pressing plate | 8 | Moving vane |
| 21 | First connecting portion | 81 | Moving vane and the contact surface of pedestal |
| 22 | Second connecting portion | 82 | Moving vane and the 3rd portion that connects contact surface even |
| 23 | 3rd connecting portion | 83 | Moving vane is ground face |
| 24 | 3rd connecting portion inner surface | 84 | Moving vane centrage |
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
It is to be appreciated that directional instruction in the embodiment of the present invention (such as up, down, left, right, before and after ...) is only used
In explaining relative position relation between each parts, motion conditions etc. under a certain particular pose (as shown in drawings), if should
When particular pose changes, then directionality instruction changes the most therewith.
It addition, the description relating to " first ", " second " etc. in the present invention is only used for describing purpose, and it is not intended that refer to
Show or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", "
Two " feature can express or implicitly include at least one this feature.It addition, the technical scheme between each embodiment is permissible
It is combined with each other, but must be based on those of ordinary skill in the art are capable of, when phase occurs in the combination of technical scheme
Contradiction will be understood that the combination of this technical scheme does not exists, the most not at the protection domain of application claims when maybe cannot realize mutually
Within.
See Fig. 1 and Fig. 2, a kind of axial compressor rotor sheet special jig for grinding that the present invention provides, including body 1,
Be arranged on the pressing plate 2 that body 1 top is connected with body 1.Pressing plate 2 compresses moving vane, plays clamping effect.Wherein, body 1 includes
Pedestal 11, and upwardly extending first supporting walls 12 and the second supporting walls 13 from pedestal 11 both sides.First supporting walls 12 and second
Base inner surface 14 between supporting walls 13 is inclined-plane, and the inclination angle on this inclined-plane and moving vane are ground face 83 and moving vane centrage
The angle of 84 is equal.Wherein, pressing plate 2 includes the first connecting portion 21 of connection corresponding with the first supporting walls 12 and the second supporting walls 13
With the second connecting portion 22, and it is fixedly connected on the 3rd connecting portion 23 between the first connecting portion 21 and the second connecting portion 22,
Three connecting portion inner surfacies 24 are also inclined-plane, and the inclination angle on this inclined-plane is ground face 83 and the folder of moving vane centrage 84 with moving vane
Angle is the most equal, and the 3rd connecting portion inner surface 24 is parallel to each other with base inner surface 14.After moving vane 8 is clamped, moving vane
It is ground face 83 and can keep level, facilitate moving vane to be ground the grinding in face.
Wherein, the first supporting walls 12 and the second supporting walls 13 are respectively arranged with the first screwed hole 6, the first connecting portion 21 He
Corresponding first screwed hole 6 of second connecting portion 22 is respectively equipped with connecting hole 7.Spiro connecting piece 3 connects from the first connecting portion 21 and second respectively
Connect back, portion 22 to be screwed onto respectively in the first screwed hole 6 on the first supporting walls 12 and the second supporting walls 13 through connecting hole 7, from
And pressing plate 2 and body 1 are linked together, this structure connects reliable, simple in construction, thus low cost.
In the present embodiment, pressing plate 2 is connected on body 1 by spiro connecting piece 3, and wherein, the first supporting walls 12 is connected with first
Between portion 21, between the second supporting walls 13 and the second connecting portion 22, it is reserved with suitable gap, so that between body 1 and pressing plate 2
Reserved enough spaces, thus ensure that moving vane 8 can be placed in fixture.
After moving vane 8 is arranged between body 1 and pressing plate 2, by tightening interior spiro connecting piece 3, produce thrust, can make
In the contact surface 81 of blade and pedestal and base inner surface 14, the portion that the connects contact surface 82 of moving vane and the 3rd company and the 3rd connecting portion
Surface 24 is in close contact respectively, thus is securely fixed by whole moving vane 8.
There is the performances such as quality weight, materials cost height, wearability, hardness, rustless property for solving existing spiro connecting piece
Difference shortcoming, it is ensured that axial compressor rotor sheet special jig for grinding can be used safely, and the composition of spiro connecting piece 3 is steel, this steel with
Mass percent includes C:0.12-0.13%, Si:0.14-0.15%, Mn:1.0-1.1%, Cr:1.20-1.40%, Ti:
0.06-0.07%, Nb:0.05-0.09%, V:0.006-0.009%, Sc:0.005-0.02%, Ni:0.02-0.04%, B:
0.01-0.25%, Tb:0.15-0.2%, P:0.005-0.025%, S:0.035-0.04%, surplus is Fe and impurity unit
Element.Wherein, C:0.12-0.13% is to ensure that there are enough plasticity and toughness in the heart portion of spiro connecting piece 3.Mn:1.0-1.1% has
Effect ensure that intensity and the hardness of steel.The addition of Ti:0.06-0.07%, Nb:0.05-0.09%, V:0.006-0.009% is not
Only further enhance the intensity in spiro connecting piece 3 heart portion, hardness and toughness, but also play the work of refined crystalline strengthening and dispersion-strengtherning
With.Cr:1.20-1.40% not only increases hardness and the wearability of spiro connecting piece 3, but also does not make spiro connecting piece 3 become fragile.Ni:
0.02-0.04% has been effectively ensured the decay resistance of spiro connecting piece 3.Owing to adding Sc:0.005-0.02% and Tb:0.15-
0.2% wearability improving spiro connecting piece 3, reduces wear extent.
As a preferential embodiment, spiro connecting piece 3 is with steel as raw material, and described steel includes C by percentage to the quality:
0.12%, Si:0.14%, Mn:1.0%, Cr:1.3%, Ti:0.06%, Nb:0.07%, V:0.008%, Sc:0.01%,
Ni:0.03%, B:0.02%, Tb:0.18%, P:0.015%, S:0.035%, surplus is Fe and impurity element.This enforcement
Example, the performance such as the wearability of spiro connecting piece 3, hardness, rustless property is greatly improved.
As a preferred embodiment, spiro connecting piece 3 is with steel as raw material, and described steel includes C by percentage to the quality:
0.13%, Si:0.15%, Mn:1.0%, Cr:1.3%, Ti:0.06%, Nb:0.06%, V:0.007%, Sc:0.015%,
Ni:0.035%, B:0.2%, Tb:0.18%, P:0.02%, S:0.04%, surplus is Fe and impurity element.This embodiment,
The performances such as the wearability of spiro connecting piece 3, hardness, rustless property are greatly improved.
As a preferred embodiment, spiro connecting piece 3 is with steel as raw material, and described steel includes C by percentage to the quality:
0.125%, Si:0.14%, Mn:1.05%, Cr:1.35%, Ti:0.065%, Nb:0.085%, V:0.008%, Sc:
0.01%, Ni:0.025%, B:0.15%, Tb:0.16%, P:0.02%, S:0.035%, surplus is Fe and impurity element.
Spiro connecting piece 3 is obtained by following technique, is carried out at isothermal normalizing by described steel under the conditions of 960-980 DEG C
Reason, is incubated 260-280min；Carry out Carburization Treatment, including being warming up to 915-920 DEG C, be incubated 95-105min, then be down to 900-
910 DEG C, it is incubated 55-65min, is then down to 845-855 DEG C, be incubated 45-50min, then lower the temperature；Carry out temper, wherein,
Temperature is 165-175 DEG C, and the time of temper is 85-95min.Process above make spiro connecting piece 3 surface layer have high rigidity and
Wearability, and the heart portion of spiro connecting piece 3 remains in that toughness and the plasticity of mild steel.Shape as spiro connecting piece 3 can pass through machine
Tool processing is achieved.
In the present embodiment, the moving vane of Rotor in Axial Compressor is ground the angle of face 83 and moving vane centrage 84 and leads to
It is often 5 °, owing to angle of inclination, the angle of inclination of the 3rd connecting portion inner surface 24 of base inner surface 14 are ground with moving vane
The angle of face 83 and moving vane centrage 84 is the most equal, and the 3rd connecting portion inner surface 24 is parallel to each other with base inner surface 14,
Therefore, the angle of inclination of base inner surface 14, the angle of inclination of the 3rd connecting portion inner surface 24 are also 5 °.So, movable vane is worked as
After sheet 8 is clamped on the fixture that the present invention provides, moving vane is ground face 83 can keep level, thus facilitates grinding tool to movable vane
The face that is ground of sheet carries out grinding, improves production efficiency.
In the present embodiment, in order to prevent moving vane 8 in grinding process from moving left and right between body 1 and pressing plate 2,
The sidepiece of one supporting walls or the sidepiece of the second supporting walls or arrange inwardly in the both sides of the first supporting walls and the second supporting walls
The second screwed hole 7 that side extends, and clamp screw fitting 4 is set in the second screwed hole 7.In the present embodiment, clamp screw fitting 4
Use holding screw.Moving vane 8 can be limited horizontally slip by tightening holding screw, so that moving vane 8 is completely fixed,
Make moving vane 8 more stable in grinding process, it is ensured that the accuracy of grinding.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every at this
Under the inventive concept of invention, utilize the equivalent structure transformation that description of the invention and accompanying drawing content are made, or directly/indirectly use
The technical field relevant at other is included in the scope of patent protection of the present invention.
Claims (7)
1. an axial compressor rotor sheet special jig for grinding, including body, and arrange on the body with described
The pressing plate that body connects, it is characterised in that: described body includes pedestal, and is arranged on described pedestal both sides upwardly extending first
Supporting walls and the second supporting walls, the base inner surface between described first supporting walls and the second supporting walls is inclined-plane, and described tiltedly
The angle that the inclination angle in face is ground face and described moving vane centrage with described moving vane is equal；Described pressing plate includes and described
Described first connecting portion that one supporting walls and the second supporting walls correspondence connect and the second connecting portion, and it is fixedly connected on described the
The 3rd connecting portion between a junction and the second connecting portion, described 3rd connecting portion inner surface is oblique with described base-plates surface
The inclined-plane that face is parallel.
Rotor in Axial Compressor moving vane grinding fixture the most according to claim 1, it is characterised in that described first
The first screwed hole, described first connecting portion and the second connecting portion corresponding described first it is respectively arranged with on support wall and the second supporting walls
Screwed hole is provided with connecting hole.
Axial compressor rotor sheet special jig for grinding the most according to claim 2, it is characterised in that also include being spirally connected
Part, described spiro connecting piece is screwed onto described first screw thread from described first connecting portion and the second connecting portion back through described connecting hole
In hole.
Axial compressor rotor sheet special jig for grinding the most according to claim 3, it is characterised in that described first supports
Wall is or/and the sidepiece of the second supporting walls is provided with the second screwed hole extended to inner side.
Rotor in Axial Compressor moving vane grinding fixture the most according to claim 4, it is characterised in that described second spiral shell
Clamp screw fitting it is provided with in pit.
6. according to the Rotor in Axial Compressor moving vane grinding fixture described in any one of claim 1-5, it is characterised in that institute
Stating clamp screw fitting to be formed from steel, described steel includes C:0.12-0.13% by percentage to the quality, Si:0.14-0.15%, Mn:
1.0-1.1%, Cr:1.20-1.40%, Ti:0.06-0.07%, Nb:0.05-0.09%, V:0.006-0.009%, Sc:
0.005-0.02%, Ni:0.02-0.04%, B:0.01-0.25%, Tb:0.15-0.2%, P:0.005-0.025%, S:
0.035-0.04%, surplus is Fe and impurity element.
Rotor in Axial Compressor moving vane grinding fixture the most according to claim 6, it is characterised in that described clamp screw
Fitting is obtained by following technique:
Described steel are carried out under the conditions of 960-980 DEG C isothermal normalizing process, is incubated 260-280min；
Carry out Carburization Treatment, including being warming up to 915-920 DEG C, be incubated 95-105min, then be down to 900-910 DEG C, be incubated 55-
65min, is then down to 845-855 DEG C, is incubated 45-50min, then lowers the temperature；
Carrying out temper, wherein, temperature is 165-175 DEG C, and the time of temper is 85-95min.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298749 | 2016-05-06 | ||
| CN2016102987498 | 2016-05-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106271976A true CN106271976A (en) | 2017-01-04 |
| CN106271976B CN106271976B (en) | 2019-07-12 |
Family
ID=57670588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610668613.1A Active CN106271976B (en) | 2016-05-06 | 2016-08-15 | Axial compressor rotor piece special jig for grinding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106271976B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227224A (en) * | 2018-09-13 | 2019-01-18 | 沈阳透平机械股份有限公司 | The stator blade method for grinding of axial flow compressor |
| CN110303427A (en) * | 2019-05-23 | 2019-10-08 | 中国人民解放军第五七一九工厂 | One kind being used for aero-engine high-pressure compressor rotor blade listrium grinding attachment |
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| US4679354A (en) * | 1985-06-20 | 1987-07-14 | B & J Rocket Rasp A/S | Grinding machine for grinding or rasping of rubber items |
| CN101700626A (en) * | 2009-11-20 | 2010-05-05 | 无锡透平叶片有限公司 | Improved novel clamp for rotary milling of compressor blades |
| CN201726268U (en) * | 2010-07-16 | 2011-01-26 | 沈阳黎明航空发动机(集团)有限责任公司 | Machining auxiliary supporting device for rotor blade |
| CN201907047U (en) * | 2010-11-01 | 2011-07-27 | 株洲南方燃气轮机成套制造安装有限公司 | Clamp for turbine blade and grinding machine comprising same |
| CN103802021A (en) * | 2013-11-29 | 2014-05-21 | 贵州西南工具(集团)有限公司 | Method for clamping and fixing swing type blade and fixing device of swing type blade |
| CN105420474A (en) * | 2015-11-18 | 2016-03-23 | 宁波金鹏高强度紧固件有限公司 | Machining method for long nut |
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2016
- 2016-08-15 CN CN201610668613.1A patent/CN106271976B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4679354A (en) * | 1985-06-20 | 1987-07-14 | B & J Rocket Rasp A/S | Grinding machine for grinding or rasping of rubber items |
| CN101700626A (en) * | 2009-11-20 | 2010-05-05 | 无锡透平叶片有限公司 | Improved novel clamp for rotary milling of compressor blades |
| CN201726268U (en) * | 2010-07-16 | 2011-01-26 | 沈阳黎明航空发动机(集团)有限责任公司 | Machining auxiliary supporting device for rotor blade |
| CN201907047U (en) * | 2010-11-01 | 2011-07-27 | 株洲南方燃气轮机成套制造安装有限公司 | Clamp for turbine blade and grinding machine comprising same |
| CN103802021A (en) * | 2013-11-29 | 2014-05-21 | 贵州西南工具(集团)有限公司 | Method for clamping and fixing swing type blade and fixing device of swing type blade |
| CN105420474A (en) * | 2015-11-18 | 2016-03-23 | 宁波金鹏高强度紧固件有限公司 | Machining method for long nut |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227224A (en) * | 2018-09-13 | 2019-01-18 | 沈阳透平机械股份有限公司 | The stator blade method for grinding of axial flow compressor |
| CN109227224B (en) * | 2018-09-13 | 2021-03-02 | 沈阳透平机械股份有限公司 | Stationary blade grinding method for axial flow compressor |
| CN110303427A (en) * | 2019-05-23 | 2019-10-08 | 中国人民解放军第五七一九工厂 | One kind being used for aero-engine high-pressure compressor rotor blade listrium grinding attachment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106271976B (en) | 2019-07-12 |
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