CN219131950U - Grinding tool for sealing teeth of turbine blade of gas turbine - Google Patents
Grinding tool for sealing teeth of turbine blade of gas turbine Download PDFInfo
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- CN219131950U CN219131950U CN202320289785.3U CN202320289785U CN219131950U CN 219131950 U CN219131950 U CN 219131950U CN 202320289785 U CN202320289785 U CN 202320289785U CN 219131950 U CN219131950 U CN 219131950U
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Abstract
The utility model relates to the technical field of processing of turbine blades of gas turbines, in particular to a grinding tool for sealing teeth of turbine blades of gas turbines. The novel blade profile clamping device comprises a bottom plate, wherein the bottom plate is detachably connected with a seat plate through bolts, a tenon tooth clamping assembly is arranged on the seat plate, a blade body clamping assembly and a blade crown clamping assembly are arranged on the side face of the seat plate, the blade body clamping assembly is located above the tenon tooth clamping assembly, and the blade crown clamping assembly is located above the blade body clamping assembly. According to the utility model, the tenon tooth clamping assembly, the blade body clamping assembly and the blade crown clamping assembly are used for clamping the tenon tooth part, the blade body part and the blade crown part of the blade to be processed, so that the blade to be processed can be stably and reliably clamped, the grinding processing of the sealing teeth of the turbine blade of the gas turbine is ensured to be stably carried out, the processing tremble and the deformation caused by the unstable clamping are avoided, and the processing quality of the blade is improved.
Description
Technical Field
The utility model relates to the technical field of processing of turbine blades of gas turbines, in particular to a grinding tool for sealing teeth of turbine blades of gas turbines.
Background
The turbine blade of the gas turbine has very strict requirements on size and quality, in the process of manufacturing the blade, the profile of the blade body of the turbine blade is ultrathin and slender, and the profile of the blade body of the turbine blade is provided with a special-shaped blade crown, wherein special-shaped sealing teeth are typical slender, thin-wall and cantilever parts, and problems are easy to generate in the process of processing.
In the prior art, when the special-shaped seal teeth of the blade shroud are machined, machining tremble and deformation are easy to generate due to unstable clamping, so that the reject ratio is high.
Disclosure of Invention
The utility model provides a shortcoming among the above-mentioned prior art to producing, provides a gas turbine blade tooth grinding frock of sealing, can reliable and stable realization gas turbine blade's clamping, guarantees that gas turbine blade's tooth grinding process of sealing goes on steadily, avoids because the unstable processing tremble and the deformation that produces of clamping, improves the processingquality of blade.
The technical scheme adopted by the utility model is as follows:
the grinding tool comprises a base plate, wherein the base plate is detachably connected with a base plate through bolts, a tenon tooth clamping assembly is arranged on the base plate, a blade body clamping assembly and a blade crown clamping assembly are arranged on the side face of the base plate, the blade body clamping assembly is located above the tenon tooth clamping assembly, and the blade crown clamping assembly is located above the blade body clamping assembly;
the tenon tooth clamping assembly comprises a lower mounting frame, the lower mounting frame is detachably connected to the upper end face of the bottom plate through bolts, a first tenon tooth clamping block and a second tenon tooth clamping block are correspondingly arranged on the lower mounting frame in a left-right mode, a first clamping tooth is arranged at one end of the first tenon tooth clamping block, which faces the second tenon tooth clamping block, a second clamping tooth is arranged at one end of the second tenon tooth clamping block, which faces the first tenon tooth clamping block, and the first clamping tooth and the second clamping tooth can be connected with tenon tooth parts of a blade to be processed in an anastomotic mode;
the blade body clamping assembly comprises an upper mounting frame, the upper mounting frame is detachably connected to a seat plate through bolts, a clamping cavity which penetrates up and down is formed in the upper mounting frame, a first blade body clamping block and a second blade body clamping block are correspondingly arranged in the clamping cavity in a left-right mode, a first clamping end face of an arc-shaped structure is arranged at one end of the first blade body clamping block, a second clamping end face of an arc-shaped structure is arranged at one end of the second blade body clamping block, and the first clamping end face and the second clamping end face can be connected with a blade body to be processed in an anastomotic mode;
the blade crown clamping assembly comprises a first blade crown clamping block and a second blade crown clamping block, the first blade crown clamping block and the second blade crown clamping block are arranged in the clamping cavity in a left-right corresponding mode, the first blade crown clamping block faces one end of the second blade crown clamping block, the second blade crown clamping block faces one end of the first blade crown clamping block and is provided with a groove structure, and the groove structure can be connected with the left side and the right side of a blade crown portion of a blade to be machined in an anastomotic mode.
Further, the second tenon tooth clamp splice passes through bolt detachable connection on the mounting bracket down, and sliding connection is in the mounting bracket down around the first tenon tooth clamp splice, and first adjusting screw is passed through in mounting bracket one side down, and first tenon tooth clamp splice is connected to first adjusting screw one end, can drive first tenon tooth clamp splice back-and-forth slip through screwing first adjusting screw.
Further, the seat board sets up the location installation piece towards the clamping position of first tenon tooth clamp splice and second tenon tooth clamp splice, connects the reference column on the location installation piece, and the reference column has hemispherical location terminal surface, and the side of the blade tenon tooth portion of quilt clamping can be tightly jacked to the location terminal surface of reference column.
Further, go up the mounting bracket left side and pass through bolt detachable and connect first side apron, pass through threaded connection second adjusting screw on the first side apron, first leaf body clamp splice is connected to second adjusting screw one end, go up the mounting bracket right side and pass through bolt detachable and connect second side apron, pass through threaded connection third adjusting screw on the second side apron, second leaf body clamp splice is connected to third adjusting screw one end.
Further, the upper end face of the upper mounting frame is provided with a first sliding groove and a second sliding groove respectively, the first sliding groove and the second sliding groove are located at the left side and the right side of the clamping cavity respectively, the second leaf crown clamping block is detachably connected in the second sliding groove through a bolt, the first leaf crown clamping block is slidably connected in the first sliding groove, one end of the first leaf crown clamping block is connected with a fourth adjusting screw, and the fourth adjusting screw is connected to the first side cover plate through threads.
Further, an upper cover plate is arranged above the first sliding groove, the upper cover plate is detachably connected to the upper end face of the upper mounting frame through bolts, and the upper cover plate can prevent the first shroud segment clamping block from falling out of the first sliding groove.
The beneficial effects of the utility model are as follows:
according to the utility model, the tenon tooth clamping assembly, the blade body clamping assembly and the blade crown clamping assembly are used for clamping the tenon tooth part, the blade body part and the blade crown part of the blade to be processed, so that the blade to be processed can be stably and reliably clamped, the grinding processing of the sealing teeth of the turbine blade of the gas turbine is ensured to be stably carried out, the processing tremble and the deformation caused by the unstable clamping are avoided, and the processing quality of the blade is improved.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a front view of the present utility model.
Fig. 3 is a cross-sectional view A-A of fig. 2.
Fig. 4 is a sectional view of B-B in fig. 2.
Fig. 5 is a cross-sectional view of fig. 2C-C.
FIG. 6 is a schematic view of a clamping blade according to the present utility model.
Wherein: 1. a seat plate; 2. a bottom plate; 3. a lower mounting rack; 4. a first tooth clamp block; 5. the second tenon tooth clamping block; 6. a first adjusting screw; 7. a first clamping tooth; 8. a second clamping tooth; 9. positioning columns; 10. positioning the mounting block; 11. a first blade body clamp block; 12. a second blade body clamp block; 13. a first clamping end face; 14. a second clamping end face; 15. an upper mounting frame; 16. a first side cover plate; 17. a second side cover plate; 18. an upper cover plate; 19. a second adjusting screw; 20. a third adjusting screw; 21. a first shroud segment; 22. a second shroud segment; 23. a fourth adjusting screw; 24. a bump structure; 25. a groove structure; A. and (3) a blade.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
As shown in fig. 1 and 2, a grinding tool for sealing teeth of a turbine blade of a gas turbine comprises a bottom plate 2, a connecting seat plate 1 which is detachably connected with the bottom plate 2 through bolts, and a tenon tooth clamping assembly which can clamp tenon tooth parts of the blade to be processed are arranged on the seat plate 1. The seat board 1 side sets up blade body clamping subassembly and blade crown clamping subassembly, and blade body clamping subassembly is located tenon tooth clamping subassembly top, and blade crown clamping subassembly is located blade body clamping subassembly top, and blade body clamping subassembly can the clamping wait to process the blade's blade body portion, and blade crown clamping subassembly can the clamping wait to process the blade's blade crown portion.
As shown in fig. 1 and 3, the tenon clamping assembly comprises a lower mounting frame 3, the lower mounting frame 3 is detachably connected to the upper end face of the bottom plate 2 through bolts, a first tenon tooth clamping block 4 and a second tenon tooth clamping block 5 are correspondingly arranged on the lower mounting frame 3 in a left-right mode, the first tenon tooth clamping block 4 faces one end of the second tenon tooth clamping block 5 and is provided with a first clamping tooth 7, the second tenon tooth clamping block 5 faces one end of the first tenon tooth clamping block 4 and is provided with a second clamping tooth 8, and the first clamping tooth 7, the second clamping tooth 8 and tenon tooth parts of the blade to be processed can be connected in an anastomotic mode, so that stability of tenon tooth parts of the blade to be processed is guaranteed.
As shown in fig. 1 and 3, the second tenon clamping block 5 is detachably connected to the lower mounting frame 3 through a bolt, the first tenon clamping block 4 is slidably connected in the lower mounting frame 3, one side of the lower mounting frame 3 is connected with the first adjusting screw 6 through threads, one end of the first adjusting screw 6 is connected with the first tenon clamping block 4, and the first tenon clamping block 4 can be driven to slide back and forth through screwing the first adjusting screw 6, so that the distance between the first tenon clamping block 4 and the second tenon clamping block 5 is adjusted.
As shown in fig. 1 and 3, the seat board 1 is provided with a positioning installation block 10 facing the clamping positions of the first tenon tooth clamping block 4 and the second tenon tooth clamping block 5, the positioning installation block 10 is connected with a positioning column 9, the positioning column 9 is provided with a hemispherical positioning end surface, and the positioning end surface of the positioning column 9 can tightly prop against the side surface of the clamped blade tenon tooth part.
As shown in fig. 2 and 4, the blade body clamping assembly includes an upper mounting bracket 15, and the upper mounting bracket 15 is detachably connected to the seat plate 1 through bolts. The upper mounting frame 15 is provided with a clamping cavity which is vertically penetrated, the clamping cavity is internally provided with a first blade body clamping block 11 and a second blade body clamping block 12 in a left-right corresponding mode, the first blade body clamping block 11 faces one end of the second blade body clamping block 12 to be provided with a first clamping end face 13 with an arc-shaped structure, the second blade body clamping block 12 faces one end of the first blade body clamping block 11 to be provided with a second clamping end face 14 with an arc-shaped structure, and the first clamping end face 13 and the second clamping end face 14 can be connected with a blade body to be processed in an anastomotic mode, so that the stability of clamping of the blade body to be processed is guaranteed.
As shown in fig. 2 and fig. 4, the left side of the upper mounting frame 15 is detachably connected with the first side cover plate 16 through bolts, the first side cover plate 16 is connected with the second adjusting screw 19 through threads, one end of the second adjusting screw 19 is connected with the first blade body clamping block 11, and the second adjusting screw 19 is screwed to drive the first blade body clamping block 11 to slide left and right, so that the clamping degree of the blade body is adjusted. The right side of the upper mounting frame 15 is detachably connected with a second side cover plate 17 through bolts, the second side cover plate 17 is connected with a third adjusting screw rod 20 through threads, one end of the third adjusting screw rod 20 is connected with the second blade body clamping block 12, and the third adjusting screw rod 20 is screwed to drive the second blade body clamping block 12 to slide left and right so as to adjust the clamping degree of the blade body.
As shown in fig. 2 and 5, the shroud-clamping assembly includes a first shroud-clamping block 21 and a second shroud-clamping block 22, where the first shroud-clamping block 21 and the second shroud-clamping block 22 are disposed in the clamping cavity in a left-right corresponding manner, a protruding structure 24 is disposed at one end of the first shroud-clamping block 21 facing the second shroud-clamping block 22, a groove structure 25 is disposed at one end of the second shroud-clamping block 22 facing the first shroud-clamping block 21, and the protruding structure 24 and the groove structure 25 can be connected with the left side and the right side of the shroud portion of the blade to be machined in an anastomotic manner, so as to clamp the shroud portion of the blade.
As shown in fig. 2 and 5, the upper end surface of the upper mounting frame 15 is provided with a first chute and a second chute, which are respectively located at the left side and the right side of the clamping cavity. The second shroud segment 22 is detachably connected in the second runner by bolts, and the first shroud segment 21 is slidably connected in the first runner. An upper cover plate 18 is arranged above the first sliding groove, the upper cover plate 18 is detachably connected to the upper end face of the upper mounting frame 15 through bolts, and the upper cover plate 18 can prevent the first shroud segment 21 from falling out of the first sliding groove. One end of the first shroud segment 21 is connected with a fourth adjusting screw 23, and the fourth adjusting screw 23 is connected to the first side cover plate 16 through threads.
The working principle of the utility model is as follows: as shown in fig. 6, the tenon tooth portion of the blade a to be processed is placed between the first tenon tooth clamping block 4 and the second tenon tooth clamping block 5, the tenon tooth portion of the blade a to be processed is clamped by adjusting the first tenon tooth clamping block 4 through the first adjusting screw 6, and meanwhile, the locating end face of the locating column 9 can tightly prop against the side face of the clamped blade tenon tooth portion. The blade body of the blade A to be processed is placed between the first blade body clamping block 11 and the second blade body clamping block 12, and the positions of the first blade body clamping block 11 and the second blade body clamping block 12 are respectively adjusted through the second adjusting screw 19 and the third adjusting screw 20, so that the blade body of the blade A to be processed is clamped. The tip shroud portion of the blade a to be machined is placed between the first tip shroud segment 21 and the second tip shroud segment 22, and the position of the first tip shroud segment 21 is adjusted by the fourth adjusting screw 23 so that the tip shroud portion of the blade a to be machined is clamped. Finally, grinding the blade seal teeth.
According to the utility model, the tenon tooth clamping assembly, the blade body clamping assembly and the blade crown clamping assembly are used for clamping the tenon tooth part, the blade body part and the blade crown part of the blade to be processed, so that the blade to be processed can be stably and reliably clamped, the grinding processing of the sealing teeth of the turbine blade of the gas turbine is ensured to be stably carried out, the processing tremble and the deformation caused by the unstable clamping are avoided, and the processing quality of the blade is improved.
The above description is intended to illustrate the utility model and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the utility model.
Claims (6)
1. The utility model provides a gas turbine blade tooth grinding frock of blocking, includes bottom plate (2), its characterized in that: the base plate (2) is detachably connected with the base plate (1) through bolts, a tenon tooth clamping assembly is arranged on the base plate (1), a blade body clamping assembly and a blade crown clamping assembly are arranged on the side face of the base plate (1), the blade body clamping assembly is located above the tenon tooth clamping assembly, and the blade crown clamping assembly is located above the blade body clamping assembly;
the tenon clamping assembly comprises a lower mounting frame (3), the lower mounting frame (3) is detachably connected to the upper end face of the bottom plate (2) through bolts, a first tenon clamping block (4) and a second tenon clamping block (5) are correspondingly arranged on the lower mounting frame (3) in a left-right mode, a first clamping tooth (7) is arranged at one end, facing the second tenon clamping block (5), of the first tenon clamping block (4), a second clamping tooth (8) is arranged at one end, facing the first tenon clamping block (4), of the second tenon clamping block, and the first clamping tooth (7) and the second clamping tooth (8) can be connected with tenon tooth parts of a blade to be machined in a matched mode;
the blade body clamping assembly comprises an upper mounting frame (15), the upper mounting frame (15) is detachably connected to the seat board (1) through bolts, a clamping cavity which is penetrated up and down is arranged on the upper mounting frame (15), a first blade body clamping block (11) and a second blade body clamping block (12) are correspondingly arranged in the clamping cavity in a left-right mode, the first blade body clamping block (11) is provided with a first clamping end face (13) with a circular arc structure at one end facing the second blade body clamping block (12), the second blade body clamping block (12) is provided with a second clamping end face (14) with a circular arc structure at one end facing the first blade body clamping block (11), and the first clamping end face (13) and the second clamping end face (14) can be connected with a blade body to be processed in a matched mode;
the blade crown clamping assembly comprises a first blade crown clamping block (21) and a second blade crown clamping block (22), the first blade crown clamping block (21) and the second blade crown clamping block (22) are correspondingly arranged in a clamping cavity in a left-right mode, the first blade crown clamping block (21) is provided with a protruding structure (24) facing one end of the second blade crown clamping block (22), the second blade crown clamping block (22) is provided with a groove structure (25) facing one end of the first blade crown clamping block (21), and the protruding structure (24) and the groove structure (25) can be connected with the left side and the right side of a blade crown of a blade to be machined in an anastomotic mode.
2. The gas turbine blade seal tooth grinding tool of claim 1, wherein: the second tenon tooth clamp splice (5) is detachably connected to the lower mounting frame (3) through bolts, the first tenon tooth clamp splice (4) is connected in the lower mounting frame (3) in a front-back sliding mode, one side of the lower mounting frame (3) is connected with the first adjusting screw (6) through threads, one end of the first adjusting screw (6) is connected with the first tenon tooth clamp splice (4), and the first tenon tooth clamp splice (4) can be driven to slide front and back through screwing the first adjusting screw (6).
3. The gas turbine blade seal tooth grinding tool of claim 2, wherein: the seat board (1) is provided with a positioning installation block (10) facing the clamping positions of the first tenon tooth clamping block (4) and the second tenon tooth clamping block (5), the positioning installation block (10) is connected with a positioning column (9), the positioning column (9) is provided with a hemispherical positioning end face, and the positioning end face of the positioning column (9) can tightly prop against the side face of the clamped blade tenon tooth part.
4. The gas turbine blade seal tooth grinding tool according to any one of claims 1 to 3, wherein: go up mounting bracket (15) left side and pass through bolt detachable and connect first side cover board (16), pass through threaded connection second adjusting screw (19) on first side cover board (16), first blade body clamp splice (11) are connected to second adjusting screw (19) one end, go up mounting bracket (15) right side and pass through bolt detachable and connect second side cover board (17), pass through threaded connection third adjusting screw (20) on second side cover board (17), second blade body clamp splice (12) are connected to third adjusting screw (20) one end.
5. The gas turbine blade seal tooth grinding tool of claim 4, wherein: the upper mounting frame (15) is provided with a first chute and a second chute respectively, the first chute and the second chute are located at the left side and the right side of the clamping cavity respectively, the second leaf crown clamping block (22) is detachably connected in the second chute through bolts, the first leaf crown clamping block (21) is slidably connected in the first chute, one end of the first leaf crown clamping block (21) is connected with a fourth adjusting screw (23), and the fourth adjusting screw (23) is connected on the first side cover plate (16) through threads.
6. The gas turbine blade seal tooth grinding tool of claim 5, wherein: an upper cover plate (18) is arranged above the first sliding groove, the upper cover plate (18) is detachably connected to the upper end face of the upper mounting frame (15) through bolts, and the upper cover plate (18) can prevent the first shroud segment (21) from falling out of the first sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320289785.3U CN219131950U (en) | 2023-02-23 | 2023-02-23 | Grinding tool for sealing teeth of turbine blade of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320289785.3U CN219131950U (en) | 2023-02-23 | 2023-02-23 | Grinding tool for sealing teeth of turbine blade of gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219131950U true CN219131950U (en) | 2023-06-06 |
Family
ID=86565285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320289785.3U Active CN219131950U (en) | 2023-02-23 | 2023-02-23 | Grinding tool for sealing teeth of turbine blade of gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219131950U (en) |
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2023
- 2023-02-23 CN CN202320289785.3U patent/CN219131950U/en active Active
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