CN108127431A - A kind of blade positioning tool - Google Patents
A kind of blade positioning tool Download PDFInfo
- Publication number
- CN108127431A CN108127431A CN201711048215.0A CN201711048215A CN108127431A CN 108127431 A CN108127431 A CN 108127431A CN 201711048215 A CN201711048215 A CN 201711048215A CN 108127431 A CN108127431 A CN 108127431A
- Authority
- CN
- China
- Prior art keywords
- groove
- locating piece
- blade
- supporting rod
- positioning tool
- 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.)
- Pending
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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
- B23Q3/063—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding turbine blades
Abstract
The invention discloses a kind of blade positioning tools, belong to clamping tooling field.By the way that blade positioning tool is set as to include pedestal, two locating pieces and two pressing plates, blade blank is positioned on locating piece, two parallel axis pins of blade blank both ends axis are respectively supported on the first V-groove opened up on two locating pieces, and two end faces of blade blank are parallel respectively to be fitted on the supporting surface of two locating pieces.And the first V-groove extends perpendicularly to supporting surface, therefore the supporting surface of two locating pieces limits blade blank moving along axis pin axial direction in processing, the second V-groove and the first V-groove opening on pressing plate is opposite, axis pin is pressed on corresponding locating piece, displacement is generated in the plane in parallel support face so as to limit blade blank.The displacement of blade blank in all directions is limited, and the dimensional accuracy of blade blade processed by blade blank is guaranteed.
Description
Technical field
The present invention relates to clamping tooling field, more particularly to a kind of blade positioning tool.
Background technology
Blade is widely used in various steam turbines, is the important component of steam turbine.A kind of existing turbine blade,
Mainly play flow-disturbing in steam turbine, structure includes turbine blade blade and the pin at turbine blade blade both ends
Axis.In order to ensure the working efficiency of steam turbine, it is desirable that turbine blade has higher dimensional accuracy, therefore turbine blade is added
Clamping before work also has quite high requirement.
Blade clamping device of the prior art typically directly clamps one end of turbine blade, coordinates lathe top
The turbine blade other end is lived turbine blade to be fixed in pinnacle.
In the implementation of the present invention, inventor has found to have at least the following problems in the prior art：
When processing turbine blade blade, if use more than structure fixes steam turbine blade blank, due to steam turbine
Blade blank both ends axis pin may be moved relative to the position of lathe centre, therefore can cause steam turbine blade blank two
Relative position between end axis pin and steam turbine blade blank changes, and influences the vapour processed by steam turbine blade blank
Turbine blade blade dimensional accuracy.
Invention content
In order to solve the steamer when fixing turbine blade using above-mentioned fixture, processed by steam turbine blade blank
The problem of machine blade blade dimensional accuracy is relatively low, an embodiment of the present invention provides a kind of blade positioning tools.The technical solution
It is as follows：
A kind of blade positioning tool, the blade positioning tool include pedestal, two locating pieces and two pressing plates, described two
A positioning block gap is fixed on the pedestal, is equipped with supporting surface on each locating piece, on described two locating pieces
Supporting surface is opposite to be arranged in parallel,
The top surface of each locating piece offers the first V-groove, and first V-groove extends perpendicularly to institute
The one end for stating supporting surface and first V-groove is located on the corresponding supporting surface, the plane of symmetry of two first V-grooves
Parallel and two first V-grooves are arranged in parallel,
Two pressing plates are set to by holding down assembly on the corresponding locating piece respectively, on each pressing plate
Equipped with the second V-groove, the opening of second V-groove is oppositely arranged with the opening of corresponding first V-groove.
Further, described to hold down assembly including supporting rod and fastener, it is described fixed that one end of the supporting rod is connected to
On the block of position, the other end of the supporting rod is held out against in the pressing plate in the one side of the pedestal, and the fastener connects institute
Pressing plate and the locating piece are stated, the supporting rod and the fastener are arranged in the plane of symmetry, and the fastener position
Between the supporting rod and first V-groove.
Optionally, waist round hole is offered on the pressing plate, the length direction of the waist round hole prolongs with first V-groove
It is identical to stretch direction, the fastener connects the pressing plate and the locating piece by the bar-shaped trough.
Optionally, strip groove, the strip groove are provided on the side opposite with the locating piece of the pressing plate
Length direction it is identical with the extending direction of first V-groove, the other end of the supporting rod is set in the strip groove.
Optionally, the other end of the supporting rod is in arc-shaped.
Optionally, the supporting rod is threadedly coupled with the locating piece, and the vertical branch is provided in the middle part of the supporting rod
The cross through hole of the length direction of strut.
Optionally, it is provided with stop nut between the supporting rod and the locating piece.
Further, the supporting surface is in tilted layout.
Optionally, the both sides of the locating piece are respectively arranged with connecting plate, and the connecting plate is fixedly connected with the pedestal,
Location hole is provided on the connecting plate.
Optionally, the locating piece includes main body and boss, and the boss is provided projectingly in the main body far from described
In the one side of pedestal, first V-groove is arranged on the top surface of the boss and the other end of first V-groove is located at institute
It states on the side opposite with the supporting surface of boss.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：By the way that blade positioning tool is set as wrapping
Pedestal, two locating pieces and two pressing plates are included, blade blank is positioned on locating piece, blade blank both ends axis is parallel but not
Two axis pins overlapped are respectively supported on the first V-groove opened up on two locating pieces, two end faces difference of blade blank
It is parallel to fit on the supporting surface of two locating pieces.And the first V-groove extends perpendicularly to supporting surface, therefore two fixed
The supporting surface of position block limits blade blank moving along axis pin axial direction in processing, the second V-groove on pressing plate and the
One V-groove opening is opposite, and axis pin is pressed on corresponding locating piece, so as to limit blade blank in the flat of parallel support face
Displacement is generated on face.The displacement of blade blank in all directions is limited, the blade and blade processed by blade blank
The dimensional accuracy of body is guaranteed.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described,
Fig. 1 is a kind of blade positioning tool assembling schematic diagram provided in an embodiment of the present invention；
Fig. 2 is the vertical view of blade positioning tool provided in an embodiment of the present invention；
Fig. 3 is the first pressure plate structure schematic diagram provided in an embodiment of the present invention；
Fig. 4 is Fig. 3 vertical views；
Fig. 5 is supporting bar structure schematic diagram provided in an embodiment of the present invention；
Fig. 6 is the A of Fig. 5 to sectional view；
Fig. 7 is the first positioning block structure schematic diagram provided in an embodiment of the present invention；
Fig. 8 is the vertical view of Fig. 7；
Fig. 9 is the second positioning block structure schematic diagram provided in an embodiment of the present invention；
Figure 10 is understructure schematic diagram provided in an embodiment of the present invention；
Figure 11 is the B of Figure 10 to sectional view.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of blade positioning tool assembling schematic diagram provided in an embodiment of the present invention.As shown in Figure 1, blade positions
Tooling includes 10, two locating pieces of pedestal and two pressing plates, and two locating pieces are respectively the first locating piece 21 and the second locating piece
22, the first locating piece 21 and the second locating piece 22 interval are fixed on pedestal 10, and the first locating piece 21 is equipped with supporting surface 21a,
Second locating piece 22 is equipped with supporting surface 22a, and supporting surface 21a and 22a are opposite to be arranged in parallel.
The first V-groove 4, the first V are offered on the top surface 21b of first locating piece 21 and the top surface 22b of the second locating piece
Type groove 4 extend perpendicularly to supporting surface 21a and one end of the first V-groove 4 is located at corresponding supporting surface 21a and supporting surface
On 21b.
Two pressing plates are respectively the first pressing plate 31 and the second pressing plate 32, and the first pressing plate 31 and the second pressing plate 32 pass through pressure respectively
Tight component 5 is set on corresponding first locating piece, 21 and second locating piece 22, is all provided on the first pressing plate 31 and the second pressing plate 32
There is the second V-groove 6, the opening of the second V-groove 6 is oppositely arranged with the opening of corresponding first V-groove 4.
Fig. 2 is the vertical view of blade positioning tool provided in an embodiment of the present invention, with reference to Fig. 2, two the first V-grooves 4
Plane of symmetry 4a is parallel and two the first V-grooves 4 are arranged in parallel.
In the present embodiment, the first V-groove refers to that cross section is (vertical with the extending direction of the first V-groove) for isoceles triangle
The slot of shape, and V-groove is limited by intersecting two side, the angle between two side is the apex angle of the isosceles triangle.Two
A first V-groove 4, which is arranged in parallel, represents that the side wall of two the first V-grooves is parallel and opening direction is identical.
The embodiment of the present invention includes pedestal, two locating pieces and two pressing plates by the way that blade positioning tool is set as, will
Blade blank 7 is positioned on locating piece, and two parallel axis pins 8 of blade blank both ends axis are respectively supported on two locating pieces
On the first V-groove opened up, two end faces of blade blank 7 are parallel respectively to be fitted on the supporting surface of two locating pieces.And
First V-groove extends perpendicularly to supporting surface, therefore the supporting surface of two locating pieces limits blade blank in processing
Along moving for 8 axial direction of axis pin, the second V-groove and the first V-groove opening on pressing plate are opposite, and axis pin 8 is pressed on accordingly
Locating piece on, generate displacement in the plane in parallel support face so as to limit blade blank 7.Blade blank 7 is in each side
Upward displacement is limited, and the dimensional accuracy of blade blade processed by blade blank is guaranteed.
Wherein, supporting surface 21a and supporting surface 22a can be in tilted layout, and the supporting surface of inclination arrangement can be easier fitting leaf
The end face of piece blank is conducive to the processing of blade blank.
As shown in Figure 1, hold down assembly 5 include supporting rod 51 and fastener 52, one end of supporting rod 51 is connected to locating piece 2
On, the other end of supporting rod 51 is held out against in the first pressing plate 31 in the one side of pedestal 10, and fastener 52 connects the first pressing plate 31
With the first locating piece 21, fastener 52 is located between 51 and first V-groove 4 of supporting rod.By dividing between pressing plate and locating piece
Not She Zhi supporting rod and fastener, pressing plate can be fixed on locating piece.
As shown in Figure 1, be again provided between the second pressing plate 32 and the second locating piece 22 supporting rod 51 of same structure with
Fastener 52.
Fig. 3 is the first pressure plate structure schematic diagram provided in an embodiment of the present invention, and Fig. 4 is Fig. 3 vertical views.With reference to Fig. 1, Fig. 3
With Fig. 4, the length direction of waist round hole 311 is identical with the extending direction of the first V-groove 4, and fastener 52 is connected across waist round hole 311
First pressing plate 31 and locating piece 21, by setting length direction identical with the extending direction of the first V-groove on the first pressing plate
Waist round hole can allow the first pressing plate to have the space of certain adjustment position when compressing the first pressing plate.
Further, strip groove 312, bar shaped are provided on the side opposite with the first locating piece 21 of the first pressing plate 31
The length direction of groove 312 is identical with the extending direction of the first V-groove 4, and the other end of supporting rod 51 is set on strip groove 312
Interior, by setting strip groove on the first pressing plate, the supporting rod other end is set in stripe shape groove so that supporting rod can be to first
Pressing plate plays effective supporting role.
Further, strip groove 312 and the axis of waist round hole 311 overlap, and heavy with the base of the first V-groove 4
It closes.
In embodiments of the present invention, the structure of the second pressing plate 32 is identical with the structure of the first pressing plate 31, and details are not described herein.
Fig. 5 is supporting bar structure schematic diagram provided in an embodiment of the present invention, as shown in figure 5, supporting rod 51 is pressed with first
One end 51a that plate 31 contacts is in arc-shaped, by the way that one end 51a contacted with the first pressing plate 31 of supporting rod 51 is set as circular arc
Shape can reduce the friction between 51 and first pressing plate 31 of supporting rod.
As shown in figure 5, one end 51b being connect with locating piece of supporting rod 51 is equipped with external screw thread.Supporting rod 51 and locating piece
It is threadedly coupled.So as to adjust pressing plate to the height between corresponding locating piece, and pressing plate parallel can be pressed on
On the axis pin of blade blank.
With reference to Fig. 1 and Fig. 5, stop nut 9, the setting of stop nut are provided between 51 and first locating piece 21 of supporting rod
Supporting rod can be avoided to deviate from from the first locating piece, be conducive to stablizing for device and use.
Fig. 6 be the A of Fig. 5 to sectional view, with reference to Fig. 1 and Fig. 6, supporting rod 51 is threadedly coupled with the first locating piece 21, support
51 middle part of bar is provided with the cross through hole 512 of the length direction of vertical support rod, is convenient for rotational support by using more than structure
Bar so that be easier to realize to adjust the height of its pressing plate supported by the rotation of supporting rod.Cross through hole 512 can be in
Cross arrangement.
During realization, the middle part of supporting rod 51 is equipped with outward flange, and cross through hole 512 is opened on the outward flange, logical by intersecting
Hole 512 is arranged on outward flange, can increase the intensity of supporting rod, avoids support strength of the cross through hole 512 to supporting rod 51
It impacts.
Fig. 7 is the first positioning block structure schematic diagram provided in an embodiment of the present invention, as shown in fig. 7, the first locating piece 21 wraps
Main body 211 and boss 212 are included, boss 212 is provided projectingly in one side of the main body 211 far from pedestal 10, and the first V-groove 4 is set
It puts on the top surface of boss 212 and the other end of the first V-groove 4 is located on the side opposite with supporting surface 21a of boss 212.
By increasing setting boss in main body, the first V-groove is arranged on boss, and the first V-groove other end is located at boss
The side opposite with supporting surface on so that the first pressing plate can be according to axis pin reality to the limitation of the position of blade blank both ends axis pin
Size is adjusted flexibly.
Further, boss 212 have supporting surface 21a, top surface 212b and with supporting surface 212c, in the present embodiment, branch
Support face 212c can be parallel to supporting surface 21a, convenient for the making of locating piece.
Fig. 8 is the vertical view of Fig. 7, and with reference to Fig. 7 and Fig. 8, the first locating piece 21 further includes connecting plate 213, and connecting plate 213 is set
It puts in the both sides of main body 211, is fixedly connected with pedestal 10.Further, connecting plate 213 is equipped with mounting hole 213a, fixed spiral shell
Bolt passes through mounting hole 213a so as to which connecting plate 213 is fixed on pedestal 10.
With reference to Fig. 7 and Fig. 8, location hole 213b is provided on connecting plate 213, pedestal 10 is equipped with matches with location hole 213b
The positioning pin of conjunction can reach the purpose of position relationship positioning base and locating piece by positioning pin across location hole 213b,
Be conducive to determining for integrated tooling position.
Wherein, a location hole 213b, two location holes can be set respectively on two connecting plates 213 of the first locating piece 21
Plane where the axis of 213b and the angle between the plane of symmetry of the first V-groove are less than 90 degree.Be conducive to using this structure
Installation and dismounting of first locating piece on pedestal.
Fig. 9 is the second positioning block structure schematic diagram provided in an embodiment of the present invention, as shown in figure 9, in the present embodiment, the
Two locating pieces 22 have the main body 221 similar to the first locating piece 21, protrusion 222 and connecting plate 223.
Figure 10 is understructure schematic diagram provided in an embodiment of the present invention, Figure 11 be the B of Figure 10 to sectional view, with reference to Figure 10
With Figure 11, the connecting hole 10b and location hole 10a of corresponding location hole 213b and mounting hole 213a are respectively arranged on pedestal 10.And
And the line of the axis of location hole 10a to connecting hole 10b axis is parallel to datum level 101.
In the present embodiment, as shown in Fig. 2, the two sides 101 that pedestal 10 is parallel to its length direction are processing blade hair
The datum level of base.
When tooling is next by blade lock, tooling and blade blank are integrally moved on lathe, correct pedestal datum level and machine
Bed Y-axis is parallel, by numerical control program by vane type line machine-shaping.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of blade positioning tool, which is characterized in that the blade positioning tool includes pedestal, two locating pieces and two pressures
Plate, described two positioning block gaps are fixed on the pedestal, and supporting surface is equipped on each locating piece, described two fixed
Supporting surface on the block of position is arranged in parallel relatively,
The top surface of each locating piece offers the first V-groove, and first V-groove extends perpendicularly to the branch
Support face and one end of first V-groove is located on the corresponding supporting surface, the plane of symmetry of two first V-grooves is parallel
And two first V-grooves are arranged in parallel,
Two pressing plates are set to by holding down assembly on the corresponding locating piece respectively, are equipped on each pressing plate
Second V-groove, the opening of second V-groove are oppositely arranged with the opening of corresponding first V-groove.
2. blade positioning tool according to claim 1, which is characterized in that described to hold down assembly including supporting rod and fastening
Part, one end of the supporting rod are connected on the locating piece, and the other end of the supporting rod is held out against in the pressing plate close to institute
It states in the one side of pedestal, the fastener connects the pressing plate and the locating piece, and the fastener is located at the supporting rod
Between first V-groove.
3. blade positioning tool according to claim 2, which is characterized in that waist round hole is offered on the pressing plate, it is described
The length direction of waist round hole is identical with the extending direction of first V-groove, and the fastener passes through the waist round hole to connect institute
State pressing plate and the locating piece.
4. blade positioning tool according to claim 3, which is characterized in that the pressing plate it is opposite with the locating piece
Strip groove is provided on side, the length direction of the strip groove is identical with the extending direction of first V-groove, described
The other end of supporting rod is set in the strip groove.
5. blade positioning tool according to claim 4, which is characterized in that the other end of the supporting rod is in arc-shaped.
6. blade positioning tool according to claim 5, which is characterized in that the supporting rod connects with the locating piece screw thread
It connects, the cross through hole of the length direction of the vertical supporting rod is provided in the middle part of the supporting rod.
7. blade positioning tool according to claim 2, which is characterized in that set between the supporting rod and the locating piece
It is equipped with stop nut.
8. according to claim 1-7 any one of them blade positioning tools, which is characterized in that the supporting surface is in tilted layout.
9. according to claim 1~7 any one of them blade positioning tool, which is characterized in that the both sides of the locating piece point
It is not provided with connecting plate, the connecting plate is fixedly connected with the pedestal, and location hole is provided on the connecting plate.
10. according to claim 1~7 any one of them blade positioning tool, the locating piece includes main body and boss, institute
It states boss to be provided projectingly in one side of the main body far from the pedestal, first V-groove is arranged on the top of the boss
On face and the other end of first V-groove is located on the side opposite with the supporting surface of the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711048215.0A CN108127431A (en) | 2017-10-31 | 2017-10-31 | A kind of blade positioning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711048215.0A CN108127431A (en) | 2017-10-31 | 2017-10-31 | A kind of blade positioning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108127431A true CN108127431A (en) | 2018-06-08 |
Family
ID=62388641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711048215.0A Pending CN108127431A (en) | 2017-10-31 | 2017-10-31 | A kind of blade positioning tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108127431A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108942314A (en) * | 2018-08-31 | 2018-12-07 | 武汉船用机械有限责任公司 | A kind of blade clamping tooling |
| CN109773214A (en) * | 2019-01-31 | 2019-05-21 | 武汉船用机械有限责任公司 | Blade turning tool and method for turning |
| CN113399947A (en) * | 2021-07-01 | 2021-09-17 | 中国航发贵州黎阳航空动力有限公司 | Pulley bracket machining clamp and machining method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108942314A (en) * | 2018-08-31 | 2018-12-07 | 武汉船用机械有限责任公司 | A kind of blade clamping tooling |
| CN109773214A (en) * | 2019-01-31 | 2019-05-21 | 武汉船用机械有限责任公司 | Blade turning tool and method for turning |
| CN113399947A (en) * | 2021-07-01 | 2021-09-17 | 中国航发贵州黎阳航空动力有限公司 | Pulley bracket machining clamp and machining method |
| CN113399947B (en) * | 2021-07-01 | 2022-03-22 | 中国航发贵州黎阳航空动力有限公司 | Pulley bracket machining clamp and machining method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180608 |
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