CN114274058A - Adjustable universal shot blasting clamp for multi-model turbine blades - Google Patents
Adjustable universal shot blasting clamp for multi-model turbine blades Download PDFInfo
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- CN114274058A CN114274058A CN202111656498.3A CN202111656498A CN114274058A CN 114274058 A CN114274058 A CN 114274058A CN 202111656498 A CN202111656498 A CN 202111656498A CN 114274058 A CN114274058 A CN 114274058A
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- 238000005422 blasting Methods 0.000 title description 6
- 238000003825 pressing Methods 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention provides an adjustable universal peening fixture for multi-model turbine blades, which can be used for clamping the turbine blades during peening, can be adjusted according to the types of the blades to be suitable for the multi-model blades, and is convenient to replace, disassemble and assemble. The device comprises a base, wherein a blade root side fixing seat and a blade crown side adjusting seat are arranged on the base; the blade root side fixing seat is fixedly connected with the base and comprises a first connecting seat, and a first blade back arc positioning piece, a first blade air inlet side positioning piece, a first blade flow channel surface axial positioning piece and a first blade inner arc pressing piece are mounted on the first connecting seat; the blade crown side adjusting seat is connected with the base in a sliding mode and comprises a locking part and a second connecting seat, the locking part is used for fixing the second connecting seat on the base, and a second blade back arc positioning part, a second blade air inlet side positioning part and a second blade inner arc pressing part are installed on the second connecting seat.
Description
Technical Field
The invention relates to the technical field of blade shot blasting clamps, in particular to an adjustable universal shot blasting clamp for multi-type turbine blades.
Background
For the stem type blade, when the shot blasting process is carried out on the blade stem, the blade needs to be positioned and compressed in order to ensure the stability and consistency of the shot blasting process, and generally, the blade can be positioned by utilizing the inner back arc, the air inlet and outlet sides and the large flow passage surface of the blade. However, often there are the polytypic blade that need the peening simultaneously in process of production, the blade size of different models is all inconsistent yet, and if every type blade all do one set of peening frock this moment will bring very big cost, in addition to this, the dismouting of peening anchor clamps also is the trouble of wasting time and energy.
Disclosure of Invention
The invention provides an adjustable universal peening clamp for multi-model turbine blades, which can be used for clamping the turbine blades during peening and can be adjusted according to the types of the blades so as to be suitable for the multi-model blades and is convenient to replace, disassemble and assemble, and aims to solve the problem that when the peening is performed on the multi-model blades, each type of blade needs to be customized by one set of tool clamp.
The technical scheme is as follows: the utility model provides a general peening anchor clamps that is used for polytypic turbine blade with adjustable, its characterized in that includes the base: the base is provided with a blade root side fixing seat and a blade crown side adjusting seat;
the blade root side fixing seat is fixedly connected with the base and comprises a first connecting seat, wherein a first blade back arc positioning piece, a first blade air inlet side positioning piece, a first blade flow channel surface axial positioning piece and a first blade inner arc pressing piece are mounted on the first connecting seat, the number of the first blade back arc positioning pieces is equal to the number of types of blades to be machined, the first blade back arc positioning pieces are detachably connected with the first connecting seat, and the top of the first blade back arc positioning pieces corresponds to the shape of corresponding blade contact surfaces to be clamped respectively;
blade crown side adjustment seat with base sliding connection, it includes retaining member and connecting seat two, the retaining member be used for with connecting seat two is fixed on the base, install blade back of the body arc setting element two, blade admit air side setting element two and blade inner arc on the connecting seat two and compress tightly a second, the quantity of blade back of the body arc setting element two equals with the blade model quantity of treating processing, blade back of the body arc setting element two with connecting seat two can dismantle the connection, two tops of blade back of the body arc setting element respectively with the corresponding shape of treating the blade contact surface of clamping corresponding.
It is further characterized in that:
the bottom of the first connecting seat is connected with the base, and the side part of the first connecting seat is connected with the first blade air inlet side positioning piece, extends upwards and is bent to the position above the first blade back arc positioning piece and used for installing the first blade inner arc pressing piece;
the bottom of the second connecting seat is connected with the base, and the side part of the second connecting seat is connected with the second blade air inlet side positioning piece and also extends upwards and is bent to the position above the second blade back arc positioning piece and used for installing the second blade inner arc pressing piece;
the top parts of the first connecting seat and the second connecting seat are respectively provided with a guide groove, and the bottoms of the first blade back arc positioning piece and the second blade back arc positioning piece are respectively provided with a guide block matched with the guide groove;
the first blade air inlet side positioning piece and the second blade air inlet side positioning piece are positioning bolts used for abutting against the air inlet side of the blade, and the axial positioning piece of the blade flow channel surface is a positioning pin used for abutting against the blade flow channel surface;
the first blade inner arc pressing piece and the second blade inner arc pressing piece respectively comprise a connecting block, a connecting screw rod and a pressing structure, the connecting block is used for being connected with the first connecting seat/the second connecting seat, the connecting block is in threaded connection with the connecting screw rod, the bottom of the connecting screw rod penetrates through the first connecting seat/the second connecting seat to be rotatably connected with the pressing structure, and the pressing structure is used for pressing and covering the inner arc of the blade;
the compressing structure comprises a compressing seat and a compressing block, the compressing seat is rotatably connected with the bottom of the connecting screw rod, two ends of the bottom of the compressing block are downwards protruded, and the compressing block is rotatably connected with the compressing seat.
The invention has the beneficial effects that: can carry out the clamping to turbine blade through this device, change the blade model when needs and make, only need to change corresponding blade back arc setting element one, blade back arc setting element two, the position that the blade shroud side was adjusted simultaneously makes the blade can keep the level can, it is convenient to change, can be used for the turbine blade of multiple model.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of the first connecting base and a portion of the second connecting base;
fig. 3 is a structural schematic diagram of the inner arc pressing piece I/the blade inner arc pressing piece II.
Detailed Description
As shown in figure 1, the adjustable universal peening fixture for the turbine blades of various models comprises a base 1, wherein a blade root side fixed seat 2 and a blade shroud side adjusting seat 3 are installed on the base 1;
the blade root side fixing seat 2 is fixedly connected with the base 1 and comprises a first connecting seat 201, a first blade back arc positioning piece 202, a first blade air inlet side positioning piece 203, a first blade runner surface axial positioning piece (not shown in the figure and positioned on the opposite surface of the first blade back arc positioning piece 202 and the blade runner surface A) and a first blade inner arc pressing piece 204 are installed on the first connecting seat 201, the number of the first blade back arc positioning pieces 202 is equal to the number of types of blades to be processed, the first blade back arc positioning pieces 202 are detachably connected with the first connecting seat 201, and the top of the first blade back arc positioning pieces 202 corresponds to the shape of corresponding blade contact surfaces to be clamped respectively;
blade crown side adjustment seat 3 and base 1 sliding connection, it includes retaining member 301 and two 302 of connecting seat, retaining member 301 is used for fixing two 302 of connecting seat on base 1, install two 303 of blade back arc locating piece on two 302 of connecting seat, two 304 of blade inlet side locating piece and two 305 of blade inner arc pressing members, the quantity of two 303 of blade back arc locating piece equals with the blade model quantity of waiting to process, two 303 of blade back arc locating pieces pass through the bolt can dismantle with two 302 of connecting seat and be connected, two 303 tops of blade back arc locating piece are corresponding with the shape of the blade contact surface that the clamp waited that corresponds respectively.
After adopting above-mentioned structure, the blade is fixed a position through two blade back of the body arc setting elements, blade flow surface A supports through blade flow surface axial setting element, compresses tightly the blade through blade inner arc pressing member simultaneously, and blade side setting element that admits air then supports the blade side of admitting air with the profile surface cooperation of blade back of the body arc setting element to realize the clamping of blade, when needing to be changed, only need to correspond the position that changes blade back of the body arc setting element and adjust the blade crown simultaneously and make the blade can guarantee the level can.
In addition, more specifically, the bottom of the first connecting seat 201 is connected with the base 1, and the side part of the first connecting seat is connected with the first vane air inlet side positioning part 203, extends upwards and bends to the upper part of the first vane back arc positioning part 202 and is used for installing the first vane inner arc pressing part 204.
Similarly, the bottom of the second connecting seat 302 is connected with the base 1 (in a sliding rail manner), and the side part is connected with the second vane inlet side positioning piece 304, and meanwhile, the second connecting seat also extends upwards and is bent to the upper part of the second vane back arc positioning piece 303 and used for installing the second vane inner arc pressing piece 305.
In order to facilitate replacement of the back arc positioning element, referring to fig. 2, guide grooves 4 are respectively formed in the tops of the first connecting seat 201 and the second connecting seat 302, and guide blocks 5 matched with the guide grooves are respectively formed in the bottoms of the first blade back arc positioning element 202 and the second blade back arc positioning element 303.
The first blade air inlet side positioning piece 203 and the second blade air inlet side positioning piece 304 are positioning bolts which are screwed into the connecting seat to abut against the blade air inlet side, and the axial positioning piece of the blade flow passage surface is a positioning pin which is used for abutting against the blade flow passage surface A.
And as for the pressing members, as shown in fig. 1 and 3, the first blade inner arc pressing member 204 and the second blade inner arc pressing member 305 respectively comprise a connecting block 6, a connecting screw rod 7 and a pressing structure, the connecting block 6 is used for being connected and fixed with the top part of the first connecting seat 201/the second connecting seat 302 through a cylindrical head hexagon socket head cap screw, the connecting block 6 is in threaded connection with the connecting screw rod 7, so that the connecting screw rod 7 can move relative to the connecting block 6, the bottom of the connecting screw rod 7 extends into the first connecting seat 201/the second connecting seat 302 to be rotatably connected with the pressing structure, and the pressing structure is used for pressing and covering the inner arc of the blade. Specifically, compact structure is including compressing tightly seat 8 and compact heap 9, compresses tightly seat 8 and rotates with the 7 bottom protrusions 10 of connecting screw through the T-slot and is connected, and 9 bottom both ends of compact heap are the downward protrusion, and compact heap 9 rotates through pivot 11 with compressing tightly seat 8 to be connected, thereby 9 rotation of briquetting set up and rely on bottom both ends bulge to press on the blade can adapt to the blade of different profiles. When the device is used, the connecting screw 7 is screwed to drive the pressing seat 8 and the pressing block 9 to move up and down relative to the connecting block 6. Meanwhile, in order to prevent the molded surface of the blade from being crushed, the material can be nylon, and other parts in contact with the blade can also be protected by the nylon material.
When the device is used for clamping the blade, the blade back arc positioning piece is arranged on the connecting seat and the bolt is screwed; rotating the bolt of the pressing structure and the bolt for connecting the blade shroud side adjusting seat with the base to enable the second connecting seat and the pressing block to be in a loose state; then, the blade is arranged on a blade back arc positioning piece, meanwhile, a blade shroud side adjusting seat is adjusted to enable the handle part of the blade to tend to be horizontal, and at the moment, a bolt of a pressing structure is screwed, and a pressing block presses the blade; then screwing the bolts connecting the blade shroud side adjusting seat and the base to fix the blade shroud side adjusting seat, finally adjusting the blade air inlet side positioning piece to push the blade air inlet side positioning piece to the blade air inlet side, when loading other blades of the same type, only rotating the bolts of the pressing structure to open the pressing block to enable the pressing block to be in a loose state, and then taking out the blades; then, the blade is arranged on the blade back arc positioning piece, and the bolt of the pressing structure is screwed to tightly press the blade by the pressing block.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a general peening anchor clamps that is used for polytypic turbine blade with adjustable, its characterized in that includes the base: the base is provided with a blade root side fixing seat and a blade crown side adjusting seat;
the blade root side fixing seat is fixedly connected with the base and comprises a first connecting seat, wherein a first blade back arc positioning piece, a first blade air inlet side positioning piece, a first blade flow channel surface axial positioning piece and a first blade inner arc pressing piece are mounted on the first connecting seat, the number of the first blade back arc positioning pieces is equal to the number of types of blades to be machined, the first blade back arc positioning pieces are detachably connected with the first connecting seat, and the top of the first blade back arc positioning pieces corresponds to the shape of corresponding blade contact surfaces to be clamped respectively;
blade crown side adjustment seat with base sliding connection, it includes retaining member and connecting seat two, the retaining member be used for with connecting seat two is fixed on the base, install blade back of the body arc setting element two, blade admit air side setting element two and blade inner arc on the connecting seat two and compress tightly a second, the quantity of blade back of the body arc setting element two equals with the blade model quantity of treating processing, blade back of the body arc setting element two with connecting seat two can dismantle the connection, two tops of blade back of the body arc setting element respectively with the corresponding shape of treating the blade contact surface of clamping corresponding.
2. The universal peening fixture adjustable for multiple model turbine blades of claim 1, wherein: the bottom of the first connecting seat is connected with the base, and the side part of the first connecting seat is connected with the first blade air inlet side positioning piece, extends upwards and is bent to the position above the first blade back arc positioning piece and used for installing the first blade inner arc pressing piece; the bottom of the second connecting seat is connected with the base, and the side part of the second connecting seat is connected with the second blade air inlet side positioning piece and also extends upwards and bends to the position above the second blade back arc positioning piece and is used for installing the second blade inner arc pressing piece.
3. An adjustable universal peening fixture for multiple model turbine blades according to claim 1 or 2, wherein: the top of the first connecting seat and the top of the second connecting seat are respectively provided with a guide groove, and the bottoms of the first blade back arc positioning piece and the second blade back arc positioning piece are respectively provided with a guide block matched with the guide grooves.
4. An adjustable universal peening fixture for multiple model turbine blades according to claim 1 or 2, wherein: the first blade air inlet side positioning piece and the second blade air inlet side positioning piece are positioning bolts used for abutting against the air inlet side of the blade, and the axial positioning piece of the blade flow channel surface is a positioning pin used for abutting against the blade flow channel surface.
5. The universal peening fixture adjustable for multiple model turbine blades of claim 2, wherein: the blade inner arc pressing piece I and the blade inner arc pressing piece II respectively comprise a connecting block, a connecting screw rod and a pressing structure, the connecting block is used for being connected with a part, extending to the upper part of the blade back arc positioning piece I, of a connecting seat I/a connecting seat II, the connecting block is in threaded connection with the connecting screw rod, the bottom of the connecting screw rod penetrates through the connecting seat I/the connecting seat II and is rotationally connected with the pressing structure, and the pressing structure is used for pressing and covering the inner arc of the blade.
6. The universal peening fixture adjustable for multiple model turbine blades of claim 5, wherein: the compressing structure comprises a compressing seat and a compressing block, the compressing seat is rotatably connected with the bottom of the connecting screw rod, two ends of the bottom of the compressing block are downwards protruded, and the compressing block is rotatably connected with the compressing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111656498.3A CN114274058B (en) | 2021-12-31 | 2021-12-31 | Adjustable universal shot blasting clamp for multiple types of turbine blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111656498.3A CN114274058B (en) | 2021-12-31 | 2021-12-31 | Adjustable universal shot blasting clamp for multiple types of turbine blades |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114274058A true CN114274058A (en) | 2022-04-05 |
| CN114274058B CN114274058B (en) | 2024-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111656498.3A Active CN114274058B (en) | 2021-12-31 | 2021-12-31 | Adjustable universal shot blasting clamp for multiple types of turbine blades |
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| Country | Link |
|---|---|
| CN (1) | CN114274058B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020047544A (en) * | 2000-12-13 | 2002-06-22 | 김형벽ㅂ | Multi clamping jig and machining without clamping part for vane type turbine blade |
| CN203649605U (en) * | 2013-12-15 | 2014-06-18 | 无锡透平叶片有限公司 | Special brazing clamp used for controlling brazing deformation of blades of turbine |
| CN204788650U (en) * | 2015-07-27 | 2015-11-18 | 哈尔滨汽轮机厂有限责任公司 | Measure universal fixturing of quiet frequency of blade |
| CN106514356A (en) * | 2016-12-28 | 2017-03-22 | 无锡透平叶片有限公司 | Universal clamp device for total-length finish milling of turbine blades |
| CN110076595A (en) * | 2019-05-13 | 2019-08-02 | 无锡航亚科技股份有限公司 | The device without package processing aviation precision forged blade blade root can be achieved |
| CN110315358A (en) * | 2019-06-21 | 2019-10-11 | 西安朋邦工贸有限公司 | A kind of low-pressure turbine guide vane clamping mechanism and clamping method |
| US20190314942A1 (en) * | 2018-04-11 | 2019-10-17 | Institute of Nuclear Energy Research, Atomic Energy Council, Executive Yuan, R.O.C. | Universal Jig for Clamping Wind Turbine Blades |
| CN113182906A (en) * | 2021-06-16 | 2021-07-30 | 中国航发航空科技股份有限公司 | Aeroengine turbine blade machining clamp and clamping method thereof |
-
2021
- 2021-12-31 CN CN202111656498.3A patent/CN114274058B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020047544A (en) * | 2000-12-13 | 2002-06-22 | 김형벽ㅂ | Multi clamping jig and machining without clamping part for vane type turbine blade |
| CN203649605U (en) * | 2013-12-15 | 2014-06-18 | 无锡透平叶片有限公司 | Special brazing clamp used for controlling brazing deformation of blades of turbine |
| CN204788650U (en) * | 2015-07-27 | 2015-11-18 | 哈尔滨汽轮机厂有限责任公司 | Measure universal fixturing of quiet frequency of blade |
| CN106514356A (en) * | 2016-12-28 | 2017-03-22 | 无锡透平叶片有限公司 | Universal clamp device for total-length finish milling of turbine blades |
| US20190314942A1 (en) * | 2018-04-11 | 2019-10-17 | Institute of Nuclear Energy Research, Atomic Energy Council, Executive Yuan, R.O.C. | Universal Jig for Clamping Wind Turbine Blades |
| CN110076595A (en) * | 2019-05-13 | 2019-08-02 | 无锡航亚科技股份有限公司 | The device without package processing aviation precision forged blade blade root can be achieved |
| CN110315358A (en) * | 2019-06-21 | 2019-10-11 | 西安朋邦工贸有限公司 | A kind of low-pressure turbine guide vane clamping mechanism and clamping method |
| CN113182906A (en) * | 2021-06-16 | 2021-07-30 | 中国航发航空科技股份有限公司 | Aeroengine turbine blade machining clamp and clamping method thereof |
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| Publication number | Publication date |
|---|---|
| CN114274058B (en) | 2024-08-20 |
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