CN117359344A - Mechanism for floating clamping of molded surface of gas turbine blade - Google Patents
Mechanism for floating clamping of molded surface of gas turbine blade Download PDFInfo
- Publication number
- CN117359344A CN117359344A CN202210758230.9A CN202210758230A CN117359344A CN 117359344 A CN117359344 A CN 117359344A CN 202210758230 A CN202210758230 A CN 202210758230A CN 117359344 A CN117359344 A CN 117359344A
- Authority
- CN
- China
- Prior art keywords
- leaf
- clamping block
- clamping
- side clamping
- block
- 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
Links
- 230000006835 compression Effects 0.000 claims abstract description 43
- 238000007906 compression Methods 0.000 claims abstract description 43
- 238000002485 combustion reaction Methods 0.000 claims 3
- 238000000034 method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a mechanism for floating clamping of a molded surface of a gas turbine blade, which can be used for clamping the molded surface of the gas turbine blade, is convenient to use and can ensure good clamping rigidity by floating clamping. The clamping device comprises a leaf basin side clamping block, a leaf back side clamping block, a first compression base for fixing the leaf basin side clamping block, a second compression base for fixing the leaf back side clamping block, a mandrel and clamping screws, wherein clamping parts for clamping blade molded surfaces are arranged on the upper parts of the leaf basin side clamping block and the leaf back side clamping block, semicircular mounting grooves which are oppositely arranged are respectively formed in the opposite surfaces of the leaf basin side clamping block and the leaf back side clamping block, the mounting grooves are used for inserting the mandrel, and a gap is reserved between the leaf basin side clamping block and the leaf back side clamping block when the mandrel is simultaneously contacted with the leaf basin side clamping block and the leaf back side clamping block; the clamping screw is located below the clamping part and above the mounting groove and is used for being in threaded connection with the leaf basin side clamping block and the leaf back side clamping block.
Description
Technical Field
The invention relates to the technical field of workpiece machining clamping tools, in particular to a mechanism for floating clamping of a molded surface of a gas turbine blade.
Background
A gas turbine blade as shown in fig. 1, which comprises a blade profile a and a tenon tooth B, is usually positioned and clamped by using the tenon tooth B at one end when the blade of the gas turbine is subjected to edge plate precision machining, but because the blade has no blade crown for clamping, the positioning surface is too small, and the clamping force and the clamping rigidity are insufficient due to the fact that the tenon tooth is used for positioning alone. In order to ensure enough system rigidity after the blade profile is clamped, the blade profile is required to be clamped further, the processing of the blade profile is limited by the processing precision, the actual shape and the dimension of the blade profile are in error compared with the theoretical design profile, and meanwhile, the actual position and the angle of the blade profile deviate from the theoretical position due to the reasons of processing deformation, clamping error and the like from the tenon tooth to the blade profile in the previous procedure, so that a mechanism for floating clamping of the blade profile is required to be designed, and the positioning precision of the tenon tooth of the blade is ensured while the system clamping rigidity is improved.
Disclosure of Invention
Aiming at the problem that the clamping rigidity is affected by deviation of the blade profile, the invention provides a mechanism for floating clamping of the blade profile of a gas turbine, which can be used for clamping the blade profile of the gas turbine, is convenient to use, and can ensure good clamping rigidity by floating clamping.
The technical scheme is as follows: the utility model provides a mechanism for floating clamp of gas turbine blade profile, its includes leaf basin side grip block, leaf dorsal part grip block, is used for fixing the compress tightly base one of leaf basin side grip block, be used for fixing the compress tightly base two of leaf dorsal part grip block, leaf basin side grip block with leaf dorsal part grip block upper portion is equipped with the clamping part that is used for the centre gripping blade profile, its characterized in that: the clamping device comprises a leaf basin side clamping block, a leaf back side clamping block and a mandrel, wherein the opposite surfaces of the leaf basin side clamping block and the leaf back side clamping block are respectively provided with semicircular mounting grooves which are arranged oppositely, the mounting grooves are used for being inserted into the mandrel, and when the mandrel is contacted with the leaf basin side clamping block and the leaf back side clamping block at the same time, a gap is reserved between the leaf basin side clamping block and the leaf back side clamping block; the clamping screw is located below the clamping part and above the mounting groove and is used for being in threaded connection with the leaf basin side clamping block and the leaf back side clamping block.
It is further characterized by:
the first compression base and the second compression base are respectively provided with a guide groove, the leaf basin side clamping block is in sliding connection with the first compression base through the guide grooves and is fixed on the first compression base through a first compression mechanism, and the leaf back side clamping block is in sliding connection with the second compression base through the guide grooves and is fixed on the second compression base through a second compression mechanism;
the first compression mechanism and the second compression mechanism respectively comprise a compression screw and a locking pressing block, and the compression screw is connected with the locking pressing block in a threaded manner after passing through the leaf basin side clamping block/the leaf back side clamping block and the first compression base/the second compression base;
the clamping part is a profiling surface.
The beneficial effects of the invention are as follows: the clamping part is contacted with the blade profile by adjusting the positions of the clamping blocks through the matching of the clamping blocks on the side of the blade basin and the clamping block on the side of the blade back and the pressing base, and because a gap is reserved between the two clamping blocks through the placement of the mandrel, if the blade profile has errors, the clamping blocks can rotate around the mandrel in the process of tightening the clamping screw, so that floating clamping is realized, the blade profile is attached, and the clamping device is convenient to use and can ensure good clamping rigidity.
Drawings
FIG. 1 is a schematic view of a blade configuration;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic cross-sectional view of A-A of FIG. 2;
fig. 4 is a schematic perspective view of the present invention.
Detailed Description
The mechanism for floating clamping of the blade profile of the gas turbine comprises a blade basin side clamping block 6, a blade back side clamping block 4, a first pressing base 9 for fixing the blade basin side clamping block 6, a second pressing base 1 for fixing the blade back side clamping block 4, clamping parts 11 for clamping the blade profile are arranged at the upper parts of the blade basin side clamping block 6 and the blade back side clamping block 4, the clamping parts 11 are provided with profiling surfaces corresponding to the standard blade profile, the mechanism also comprises a mandrel 5 and clamping screws 10, semicircular mounting grooves which are oppositely arranged are respectively formed in the opposite surfaces of the blade basin side clamping block 6 and the blade back side clamping block 4, the mounting grooves are used for inserting the mandrel 5, and when the mandrel 5 is simultaneously contacted with the blade basin side clamping block 6 and the blade back side clamping block 4, a gap is reserved between the blade basin side clamping block 6 and the blade back side clamping block 4; the clamping screw 10 is positioned below the clamping part 11 and above the mounting groove and is used for being in threaded connection with the leaf basin side clamping block 6 and the leaf back side clamping block 4.
In addition, guide grooves 12 are respectively formed in the first compression base 9 and the second compression base 1, the leaf basin side clamping blocks 6 are in sliding connection with the first compression base 9 through the guide grooves 12 and are fixed on the first compression base 9 through the first compression mechanism, and the leaf back side clamping blocks 4 are in sliding connection with the second compression base 1 through the guide grooves and are fixed on the second compression base 1 through the second compression mechanism. One form of the compression mechanism is that the compression mechanism I and the compression mechanism II respectively comprise a compression screw I7, a compression screw II 3, a locking press block I8 and a locking press block II 2, the clamping block is locked by the compression screw through threaded connection with the locking press block after passing through the clamping block and the base, and the compression screw and the compression nut can be adopted, so that the rod part of the compression screw passes through the clamping block and the waist-shaped groove in the base and is connected with the compression nut, and the clamping block can be fixed on the base together with the head part of the screw by screwing the compression nut when the clamping block needs to be fixed.
When the device is used for clamping the blade, the clamping blocks on two sides are pulled open by the pressing mechanism and then are placed into the blade, then the clamping blocks are moved to be close to the blade, the mandrel and the clamping screw 10 are placed in the process of being close to each other, the clamping screw 10 is screwed down, the two clamping blocks are further close to each other and clamp the blade, a gap exists between the two clamping blocks due to the mandrel, if errors exist in the blade, the clamping blocks can rotate around the mandrel to enable the profiling surface to be attached to the blade profile when the clamping screw is screwed down, meanwhile, the clamping screw 10 is located below the clamping portion 11 and above the mounting groove, the blade basin side clamping block 6 can be rotated clockwise, the blade back side clamping block 4 is rotated anticlockwise (taking the position in fig. 3 as a reference), meanwhile, the blade errors are small, the rotating angle is tiny, the clamping block base is not separated, the clamping of the blade profile can not be fixed, and then the clamping of the blade profile can be completed through fixing the clamping mechanism on the base, and the rigidity and the positioning accuracy are good.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a mechanism for floating clamp of gas turbine blade profile, its includes leaf basin side grip block, leaf dorsal part grip block, is used for fixing the compress tightly base one of leaf basin side grip block, be used for fixing the compress tightly base two of leaf dorsal part grip block, leaf basin side grip block with leaf dorsal part grip block upper portion is equipped with the clamping part that is used for the centre gripping blade profile, its characterized in that: the clamping device comprises a leaf basin side clamping block, a leaf back side clamping block and a mandrel, wherein the opposite surfaces of the leaf basin side clamping block and the leaf back side clamping block are respectively provided with semicircular mounting grooves which are arranged oppositely, the mounting grooves are used for being inserted into the mandrel, and when the mandrel is contacted with the leaf basin side clamping block and the leaf back side clamping block at the same time, a gap is reserved between the leaf basin side clamping block and the leaf back side clamping block; the clamping screw is located below the clamping part and above the mounting groove and is used for being in threaded connection with the leaf basin side clamping block and the leaf back side clamping block.
2. A mechanism for floating clamping of a combustion engine blade profile as set forth in claim 1, wherein: the first compression base and the second compression base are respectively provided with a guide groove, the clamping blocks on the leaf basin side are in sliding connection with the first compression base through the guide grooves and are fixed on the first compression base through the first compression mechanism, and the clamping blocks on the leaf back side are in sliding connection with the second compression base through the guide grooves and are fixed on the second compression base through the second compression mechanism.
3. A mechanism for floating clamping of a combustion engine blade profile according to claim 1 or 2, characterized in that: the first pressing mechanism and the second pressing mechanism respectively comprise a pressing screw and a locking pressing block, and the pressing screw passes through the leaf basin side clamping block/the leaf back side clamping block, and is in threaded connection with the locking pressing block after passing through the first pressing base/the second pressing base.
4. A mechanism for floating clamping of a combustion engine blade profile as set forth in claim 1, wherein: the clamping part is a profiling surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210758230.9A CN117359344A (en) | 2022-06-30 | 2022-06-30 | Mechanism for floating clamping of molded surface of gas turbine blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210758230.9A CN117359344A (en) | 2022-06-30 | 2022-06-30 | Mechanism for floating clamping of molded surface of gas turbine blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117359344A true CN117359344A (en) | 2024-01-09 |
Family
ID=89387850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210758230.9A Pending CN117359344A (en) | 2022-06-30 | 2022-06-30 | Mechanism for floating clamping of molded surface of gas turbine blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117359344A (en) |
-
2022
- 2022-06-30 CN CN202210758230.9A patent/CN117359344A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201720719U (en) | Universal fixture for milled root, assembling surface and molded surface of one-million KW turbine blade | |
| CN108747520B (en) | Adjustable clamp based on blade root inclined plane positioning | |
| CN205363281U (en) | Drive formula anchor clamps that float | |
| CN113510647B (en) | Nut fastening method of ratchet wrench capable of randomly adjusting opening amount | |
| CN109605084A (en) | A kind of processing tool of profile | |
| CN117359344A (en) | Mechanism for floating clamping of molded surface of gas turbine blade | |
| US2764380A (en) | Support | |
| US4863151A (en) | Vise jig tool | |
| CN206241955U (en) | bolt mounting tool | |
| CN203621997U (en) | Clamp for rough milling machining of intake and exhaust surfaces of engine cylinder head | |
| CN209157739U (en) | A kind of elongate member milling fixture | |
| CN208246316U (en) | A kind of Novel shifting fork special fixture | |
| CN109454575B (en) | Clamping device for rapidly clamping parts | |
| CN111687762A (en) | Quick-adjusting mechanical clamp | |
| CN110936186A (en) | Clamping fixture for pressing block | |
| CN217317006U (en) | Precise machining device for head of wrench body blank | |
| CN220260170U (en) | Clamp for machining flywheel housing of engine | |
| CN219211875U (en) | Clamp for grinding blade crown | |
| CN212371937U (en) | Novel locking structure of rotary body of precise multi-surface quick flat tongs | |
| CN218110062U (en) | Embedded small-size toad pincers side top universal fixturing of integration | |
| CN208214874U (en) | A kind of upper die clamper guaranteeing machining accuracy | |
| CN212095422U (en) | Pneumatic clamp for machining parts with irregular positioning surfaces | |
| CN206825034U (en) | One kind is used for Digit Control Machine Tool fluting elastomer block compressing fixture | |
| CN216881749U (en) | High-precision cutting tool apron | |
| CN214640997U (en) | Multi-angle welding fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |