CN113894658A - Strong grinding tool for tenon teeth of rotor blade of circular-arc-tooth-type gas compressor - Google Patents
Strong grinding tool for tenon teeth of rotor blade of circular-arc-tooth-type gas compressor Download PDFInfo
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- CN113894658A CN113894658A CN202111217781.6A CN202111217781A CN113894658A CN 113894658 A CN113894658 A CN 113894658A CN 202111217781 A CN202111217781 A CN 202111217781A CN 113894658 A CN113894658 A CN 113894658A
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- positioning block
- square box
- blade
- pressing
- positioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Abstract
The invention discloses a strong grinding tool for tenon teeth of circular arc tooth type compressor rotor blades, which comprises: the mounting base structure is arranged on a rotary table of the grinding equipment; the square box structure is clamped on the mounting seat structure, a blade to be processed is clamped and fixed in the square box structure, and the blade tenon tooth is exposed out of the top surface of the square box structure; the mounting seat structure is provided with three mutually vertical positioning datum planes to realize contact positioning with the bottom surface and two adjacent side surfaces of the square box structure, and the mounting seat structure is provided with a combined pressing plate mechanism to realize application of pressing force on the other two adjacent side surfaces of the square box structure; the square box structure is internally provided with a tenon tooth end positioning block, a tenon tooth end pressing block, a blade tip positioning block and a blade tip pressing block so as to clamp and fix the blade. The tool has stable clamping performance, improves the part clamping precision and the part grinding precision, shortens the production preparation period, and improves the blade processing quality.
Description
Technical Field
The invention belongs to the technical field of machining of blades of an aircraft engine blade compressor, and relates to a strong grinding tool for tenon teeth of circular-arc-tooth-type compressor rotor blades.
Background
The rotor blade with the arc tooth tenon head structure is a large class of compressor rotor blades, the tenon teeth of the blades are generally used as the reference for processing and measuring the blade body profile, the arc center of the tenon teeth is positioned at the center of an engine, the radius of the tenon teeth is hundreds of millimeters, the traditional manufacturing process usually adopts a processing mode of milling by a forming milling cutter, the cost is higher, the precision of the arc teeth is extremely high, and the abrasion of a cutter is difficult to monitor. The machining precision of the arc teeth can be met by adopting powerful grinding machining capable of continuously finishing, but the positioning size of the blade is small, the structural design difficulty of the tool is large, and the machining space is limited; if the two sides of the tenon tooth are simultaneously processed, the switching precision is difficult to ensure.
Disclosure of Invention
In order to solve the technical problems, the invention provides a strong grinding tool for tenon teeth of rotor blades of circular-arc-tooth-type gas compressors, which has stable clamping performance, improves the clamping precision and grinding precision of parts, shortens the production preparation period and improves the machining quality of the blades.
The invention discloses a strong grinding tool for tenon teeth of circular arc tooth type compressor rotor blades, which comprises: the mounting base structure is arranged on a rotary table of the grinding equipment; the square box structure is clamped on the mounting seat structure, a blade to be processed is clamped and fixed in the square box structure, and the blade tenon tooth is exposed out of the top surface of the square box structure; the mounting seat structure is provided with three mutually vertical positioning datum planes to realize contact positioning with the bottom surface and two adjacent side surfaces of the square box structure, and the mounting seat structure is provided with a combined pressing plate mechanism to realize application of pressing force on the other two adjacent side surfaces of the square box structure; the square box structure is internally provided with a tenon tooth end positioning block and a tenon tooth end pressing mechanism, and a blade tip positioning block and a blade tip compression screw so as to clamp and fix the blade.
In the strong grinding tool for tenon teeth of rotor blades of circular arc tooth type gas compressors, the mounting seat structure comprises: the disc connecting seat, the first square box positioning block, the second square box positioning block and the third square box positioning block are arranged on the disc connecting seat; the disc connecting seat is installed on a rotary table of the grinding equipment, the second square box positioning block is fixed on the disc connecting seat, the third square box positioning block is vertically fixed on the second square box positioning block, the first square box positioning block is fixed on the third square box positioning block and is respectively vertically arranged with the second square box positioning block and the third square box positioning block, and the three square box positioning blocks form three mutually vertical positioning reference surfaces;
the combination clamp plate mechanism is fixed on third party case locating piece, includes: the rear end of the connecting rod is fixed at one end of the third box positioning block, the front end of the connecting rod is in switching connection with the pressing rod, and the other end of the pressing rod is provided with an arc-shaped groove; the rotating rod seat is fixed at the other end of the third box positioning block, the rear end of the rotating rod is in switching connection with the rotating rod seat, and the front end of the rotating rod is clamped in the arc-shaped groove and matched with the compression nut to compress the compression rod; wear to establish housing screw on the connecting rod in order to compress tightly the square chest structure on first square chest locating piece, be equipped with the arc compact heap on the compression link in order to compress tightly the square chest structure on third square chest locating piece.
In the strong grinding tool for tenon teeth of rotor blades of the circular-arc-tooth-type gas compressor, the pressing rod is provided with the long through groove, the middle part of the arc-shaped pressing block is connected with the side wall of the long through groove in a switching mode through the rotating shaft, and two end parts of the arc-shaped pressing block extend out of the long through groove to press the square box structure.
The strong grinding tool for tenon teeth of rotor blades of the circular-arc-tooth-type gas compressor further comprises a connecting rod base, wherein the connecting rod base is fixed at one end of a third box positioning block, and the rear end of the connecting rod is fixed on the connecting rod base.
In the strong grinding tool for tenon teeth of rotor blades of circular arc tooth type gas compressors, the square box structure comprises: the blade tip pressing device comprises a box body, a first tenon tooth end positioning block, a second tenon tooth end positioning block, a first pressing block mechanism, a second pressing block mechanism, a blade tip positioning block and a blade tip pressing screw, wherein the first tenon tooth end positioning block, the second tenon tooth end positioning block, the first pressing block mechanism, the second pressing block mechanism, the blade tip positioning block and the blade tip pressing screw are arranged in the box body; the first tenon tooth end positioning block and the second tenon tooth end positioning block are fixed on two adjacent inner walls of the box body and are in contact positioning with the tenon tooth end of the blade, and the first pressing block mechanism and the second pressing block mechanism are arranged on the other two adjacent inner walls so as to press the tenon tooth end of the blade on the first tenon tooth end positioning block and the second tenon tooth end positioning block; the blade tip positioning block is arranged at the bottom of the box body and is in contact positioning with the blade tip, and the blade tip compression screw penetrates through the inner wall of the box body to compress the blade tip on the blade tip positioning block.
In the strong grinding tool for tenon teeth of rotor blades of circular-arc-tooth gas compressors, the first pressing block mechanism and the second pressing block mechanism have the same structure and comprise: the pressing block, the screw and the connecting shaft; the compact heap comprises clamping head and engaging lug, is equipped with the shaft hole on the engaging lug, be equipped with the rectangle through-hole on the box inner wall, the engaging lug is located the rectangle through-hole, the connecting axle sets up in the box inner wall and passes the shaft hole on the engaging lug, the screw penetrates the box inner wall and promotes the compact heap and rotate in order to compress tightly blade tenon tooth end around the connecting axle.
In the strong grinding tool for tenon teeth of rotor blades of circular-arc-tooth-type gas compressors, the positioning balls and the positioning ball connecting seats are further arranged in the box body, the positioning ball connecting seats are fixed at the top of the box body, the positioning balls are fixed on the positioning ball connecting seats, and the positioning balls are in contact with the surfaces of inner flow channels of the blades to radially position the blades.
In the strong grinding tool for tenon teeth of rotor blades of the circular arc tooth type compressor, the blade tip end positioning block is arranged at the corner of the box body, and two side edges of the blade tip end positioning block are respectively contacted with two adjacent inner walls of the box body; two blade tip compression screws are arranged in the box body and respectively extend into the box body from the other two adjacent inner walls to compress the blade tip to the blade tip positioning block.
In the strong grinding tool for tenon teeth of rotor blades of the circular-arc-tooth-type gas compressor, the box body is formed by enclosing the first square box base body and the second square box base body, and the top and the bottom of the box body are not closed.
The strong grinding tool for tenon teeth of rotor blades of the circular-arc-tooth-type gas compressor has a stable positioning structure, can meet the processing space limitation of strong grinding equipment, can reduce repeated installation errors of the blades through a smart pressing structure and the positioning structure, ensures the problem of switching precision generated during simultaneous processing of two sides, reduces the design difficulty and the design period of the tool to the greatest extent, and can be used on other similar blade tools.
Drawings
FIG. 1 is a schematic structural diagram of a strong grinding tool for tenon teeth of rotor blades of a circular-arc-tooth-type gas compressor, disclosed by the invention;
FIG. 2 is a schematic view of the mount structure of the present invention;
FIG. 3 is a schematic view of the square box structure of the present invention;
FIG. 4 is a top view of the square box structure of the present invention;
FIG. 5 is a schematic view of another angle of the square box structure of the present invention;
1-disc connecting seat, 2-compression screw, 3-compression bar, 4-arc compression block, 5-first square box positioning block, 6-compression nut, 7-second square box positioning block, 8-third square box positioning block, 9-first square box base body, 10-second screw, 11-second compression block, 12-first screw, 13-first compression block, 14-second square box base body, 15-positioning ball connecting seat, 16-positioning ball, 17-first tenon tooth end positioning block, 18-second tenon tooth end positioning block, 19-leaf tip end positioning block, 20-first leaf tip compression screw, 21-second leaf tip compression screw, 22-rotation bar seat, 23-first rotation pin, 24-rotation bar, 25-connecting bar base, 26-connecting rod, 27-second rotating pin, 28-connecting lug and 29-rectangular through hole.
Detailed Description
As shown in fig. 1, the strong grinding tool for tenon teeth of circular arc tooth type compressor rotor blades of the invention comprises: the mounting base structure is arranged on a rotary table of the grinding equipment; the square box structure is clamped on the mounting seat structure, the blade to be machined is clamped and fixed in the square box structure, and the blade tenon teeth are exposed out of the top surface of the square box structure, so that grinding machining can be conducted through the contact of a grinding wheel conveniently. The mounting seat structure is provided with three mutually vertical positioning datum planes to realize contact positioning with the bottom surface and two adjacent side surfaces of the square box structure, and the mounting seat structure is provided with a combined pressing plate mechanism to realize application of pressing force on the other two adjacent side surfaces of the square box structure; the square box structure is internally provided with a tenon tooth end positioning block and a tenon tooth end pressing mechanism, and a blade tip positioning block and a blade tip compression screw so as to clamp and fix the blade.
As shown in fig. 2, the mount structure includes: the device comprises a disc connecting seat 1, a first square box positioning block 5, a second square box positioning block 7 and a third square box positioning block 8; the disc connecting seat 1 is installed on a rotary table of grinding equipment, the second square box positioning block 7 is fixed on the disc connecting seat 1, the third square box positioning block 8 is vertically fixed on the second square box positioning block 7, the first square box positioning block 5 is fixed on the third square box positioning block 8 and is vertically arranged with the second square box positioning block 7 and the third square box positioning block 8 respectively, and the three square box positioning blocks form three mutually perpendicular positioning reference surfaces A, B, C.
The combined pressing plate mechanism is fixed on the third square box positioning block 8 and forms a rectangular space with the third square box positioning block 8 in an enclosing mode, the first square box positioning block 5 is located in the rectangular space, the square box structure is clamped and fixed in the rectangular space, and the bottom face and the two side faces correspondingly compress the three square box positioning blocks. The combination pressure plate mechanism includes: a connecting rod 26, a pressing rod 3, a rotating rod 24 and a rotating rod seat 22. The rear end of the connecting rod 26 is fixed at one end of the third box positioning block 8, the front end of the connecting rod 26 is connected with the pressing rod 3 through a second rotating pin 27 in a switching mode, and the other end of the pressing rod 3 is provided with an arc-shaped groove. The rotating rod seat 22 is fixed at the other end of the third box positioning block 8, the rear end of the rotating rod 24 is connected with the rotating rod seat 22 through a first rotating pin 23 in a switching mode, and the front end of the rotating rod 24 is clamped in the arc-shaped groove and matched with the compression nut 6 to compress the compression rod 3. The connecting rod 26 is provided with a pressing screw 2 in a penetrating mode so as to press the square box structure on the first square box positioning block 5, and the pressing rod 3 is provided with an arc-shaped pressing block 4 so as to press the square box structure on the third square box positioning block 8.
During specific implementation, be equipped with long logical groove on compressing tightly the pole 3, 4 middle parts of arc compact heap are through pivot and the switching of long logical groove lateral wall, and the both ends of arc compact heap 4 stretch out from long logical groove in order to compress tightly square chest structure.
During the concrete implementation, still include connecting rod base 25, connecting rod base 25 is fixed in third party case locating piece 8 one end, connecting rod 26 rear end is fixed on connecting rod base 25.
As shown in fig. 3 to 5, the square box structure includes: the blade tip pressing device comprises a box body, a first tenon tooth end positioning block 17, a second tenon tooth end positioning block 18, a first pressing block mechanism, a second pressing block mechanism, a blade tip positioning block 19 and a blade tip pressing screw, wherein the first tenon tooth end positioning block, the second tenon tooth end positioning block, the first pressing block mechanism, the second pressing block mechanism, the blade tip positioning block and the blade tip pressing screw are arranged in the box body. The first tenon tooth end positioning block 17 and the second tenon tooth end positioning block 18 are fixed on two adjacent inner walls of the box body and are in contact positioning with the blade tenon tooth end 100. The tenon tooth end pressing mechanism comprises: first compact heap mechanism, second compact heap mechanism. The first pressing block mechanism and the second pressing block mechanism are respectively arranged on the other two adjacent inner walls to press the blade tenon tooth end on the first tenon tooth end positioning block 17 and the second tenon tooth end positioning block 18. The blade tip positioning block 19 is arranged at the bottom of the box body and is in contact positioning with the blade tip, and the blade tip compression screw penetrates through the inner wall of the box body to compress the blade tip on the blade tip positioning block 19.
When the concrete implementation, the structure of first compact heap mechanism and second compact heap mechanism is the same all includes: compact heap, screw and connecting axle. The compact heap comprises clamping head and engaging lug, is equipped with the shaft hole on the engaging lug, be equipped with the rectangle through-hole on the box inner wall, the engaging lug is located the rectangle through-hole, the connecting axle sets up in the box inner wall and passes the shaft hole on the engaging lug, the screw promotes the compact heap and rotates in order to compress tightly blade tenon tooth end around the connecting axle. As shown in fig. 3, the first pressing block mechanism is disposed opposite to the first tenon tooth end positioning block 17, and cooperates with the pressing blade. The first compact heap mechanism includes: the blade tenon tooth pressing device comprises a first screw 12 and a first pressing block 13, a connecting lug 28 of the first pressing block 13 is positioned in a rectangular through hole 29, the first pressing block 13 is connected with a connecting shaft arranged in the inner wall of a box body in a switching mode, and the first pressing screw 12 penetrates through the inner wall of the box body to push the first pressing block 13 to rotate around the connecting shaft so as to press the tenon tooth end of a blade. Since only the second screw 10 and the second pressing block 11 of the second pressing block mechanism 10 are shown in fig. 3 of the angular relationship, the second pressing block mechanism 10 is arranged opposite to the second tenon tooth end positioning block 18 to cooperate with the pressing blade.
As shown in fig. 4, in specific implementation, a positioning ball 16 and a positioning ball connecting seat 15 are further disposed in the box body, the positioning ball connecting seat 15 is fixed to the top of the box body, the positioning ball 16 is fixed to the positioning ball connecting seat 15, and the positioning ball 16 contacts with the surface of the inner flow channel of the blade to radially position the blade.
As shown in fig. 5, in practical implementation, the positioning block 19 for the tip end of the blade is disposed at a corner of the box body, and two side edges of the positioning block are respectively in contact with two adjacent inner walls of the box body; a first blade tip compression screw 20 and a second blade tip compression screw 21 are arranged inside the box body, and the two blade tip compression screws respectively extend into the box body from the other two adjacent inner walls to compress the blade tip to the blade tip positioning block 19.
In specific implementation, the box body is formed by enclosing the first square box base body 9 and the second square box base body 14, and the top and the bottom of the box body are not closed, so that the blade can be clamped and positioned conveniently.
The invention discloses a strong grinding tool for tenon teeth of rotor blades of a circular arc tooth type gas compressor, which has the following design key points:
1) this grinding frock base adopts circular chassis switching design, designs the screw hole of four circumference equipartitions on the disc connecting seat, and three locating piece of design above the disc connecting seat is used for the location of square chest structure on the disc connecting seat as quick change interface, and the combination clamp plate mechanism structure of design rocking arm formula simultaneously compresses tightly as the centre design locating hole.
2) The square box is structurally designed, the positioning and pressing structures are required to be designed inside the box body, the box body is guaranteed not to be interfered with the disc connecting seat part, two adjacent inner walls in the four inner walls of the box body are set to be small plane positioning blocks, the pressing is conducted in the opposite side direction, a small screw structure is adopted, screws are embedded into the inner walls of the box body, and the outer surfaces of the screws do not exceed the outer surface of the box body.
3) The radial positioning design of the blade adopts spherical positioning, and the contact point of the positioning ball and the blade is a blank positioning point.
4) According to the processing characteristics of the slow-in grinding process, the middle split surface of the tenon is designed to be parallel to the positioning plane of the mounting seat structure when the blade blank is clamped, and the middle split surface is coincided with the axis of a disc at the bottom of the mounting seat structure, so that the situation that the processing positions of two sides of the tenon tooth are coincided after the part is overturned for 180 degrees in processing is ensured.
The circular arc tooth type compressor rotor blade tenon tooth is of an arc-shaped structure rotating around the axis of an engine, the grinding tool is positioned by utilizing the flange plate and the blade tip process plane, the tenon tooth is arranged outside the clamp, the stability in the grinding process is ensured, meanwhile, the square box type appearance is adopted, a hidden pressing structure is adopted, the blade is not required to be repeatedly clamped in the machining process, and the requirement of machining the tenon teeth on two sides at one time can be met.
The strong grinding tool for the tenon teeth of the rotor blades of the circular-arc-tooth-type gas compressor is applied to the existing products and six-shaft slow-feeding grinding equipment, and the tool is smoothly designed. The circular arc tooth blade is convenient to install, the grinding process is stable, the switching precision of the two surfaces of the tenon tooth is high, the circular arc tooth blade can be used on other similar blade tools, the time for shortening the tool design is nearly 1/3, the production preparation time is shortened, the part processing qualified rate is improved by 15%, and certain economic benefit is obtained.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined by the appended claims.
Claims (9)
1. The utility model provides a powerful grinding frock of arc tooth class compressor rotor blade tenon tooth which characterized in that includes: the mounting base structure is arranged on a rotary table of the grinding equipment; the square box structure is clamped on the mounting seat structure, a blade to be processed is clamped and fixed in the square box structure, and the blade tenon tooth is exposed out of the top surface of the square box structure; the mounting seat structure is provided with three mutually vertical positioning datum planes to realize contact positioning with the bottom surface and two adjacent side surfaces of the square box structure, and the mounting seat structure is provided with a combined pressing plate mechanism to realize application of pressing force on the other two adjacent side surfaces of the square box structure; the square box structure is internally provided with a tenon tooth end positioning block and a tenon tooth end pressing mechanism, and a blade tip positioning block and a blade tip compression screw so as to clamp and fix the blade.
2. The circular arc tooth type compressor rotor blade tenon tooth powerful grinding tool according to claim 1, wherein the mounting seat structure comprises: the disc connecting seat, the first square box positioning block, the second square box positioning block and the third square box positioning block are arranged on the disc connecting seat; the disc connecting seat is installed on a rotary table of the grinding equipment, the second square box positioning block is fixed on the disc connecting seat, the third square box positioning block is vertically fixed on the second square box positioning block, the first square box positioning block is fixed on the third square box positioning block and is respectively vertically arranged with the second square box positioning block and the third square box positioning block, and the three square box positioning blocks form three mutually vertical positioning reference surfaces;
the combination clamp plate mechanism is fixed on third party case locating piece, includes: the rear end of the connecting rod is fixed at one end of the third box positioning block, the front end of the connecting rod is in switching connection with the pressing rod, and the other end of the pressing rod is provided with an arc-shaped groove; the rotating rod seat is fixed at the other end of the third box positioning block, the rear end of the rotating rod is in switching connection with the rotating rod seat, and the front end of the rotating rod is clamped in the arc-shaped groove and matched with the compression nut to compress the compression rod; wear to establish housing screw on the connecting rod in order to compress tightly the square chest structure on first square chest locating piece, be equipped with the arc compact heap on the compression link in order to compress tightly the square chest structure on third square chest locating piece.
3. The circular-arc-tooth-type compressor rotor blade tenon tooth powerful grinding tool according to claim 2, wherein a long through groove is formed in the pressing rod, the middle of the arc-shaped pressing block is connected with the side wall of the long through groove in a switching mode through a rotating shaft, and two end portions of the arc-shaped pressing block extend out of the long through groove to press the square box structure.
4. The circular-arc-tooth-type compressor rotor blade tenon tooth powerful grinding tool according to claim 2, characterized by further comprising a connecting rod base, wherein the connecting rod base is fixed to one end of a third box positioning block, and the rear end of the connecting rod is fixed to the connecting rod base.
5. The circular arc tooth type compressor rotor blade tenon tooth powerful grinding tool according to claim 1, wherein the square box structure comprises: the blade tip pressing device comprises a box body, a first tenon tooth end positioning block, a second tenon tooth end positioning block, a first pressing block mechanism, a second pressing block mechanism, a blade tip positioning block and a blade tip pressing screw, wherein the first tenon tooth end positioning block, the second tenon tooth end positioning block, the first pressing block mechanism, the second pressing block mechanism, the blade tip positioning block and the blade tip pressing screw are arranged in the box body; the first tenon tooth end positioning block and the second tenon tooth end positioning block are fixed on two adjacent inner walls of the box body and are in contact positioning with the tenon tooth end of the blade, and the first pressing block mechanism and the second pressing block mechanism are arranged on the other two adjacent inner walls so as to press the tenon tooth end of the blade on the first tenon tooth end positioning block and the second tenon tooth end positioning block; the blade tip positioning block is arranged at the bottom of the box body and is in contact positioning with the blade tip, and the blade tip compression screw penetrates through the inner wall of the box body to compress the blade tip on the blade tip positioning block.
6. The circular arc tooth type compressor rotor blade tenon tooth powerful grinding tool according to claim 5, wherein the first pressing block mechanism and the second pressing block mechanism are identical in structure and comprise: the pressing block, the screw and the connecting shaft; the compact heap comprises clamping head and engaging lug, is equipped with the shaft hole on the engaging lug, be equipped with the rectangle through-hole on the box inner wall, the engaging lug is located the rectangle through-hole, the connecting axle sets up in the box inner wall and passes the shaft hole on the engaging lug, the screw penetrates the box inner wall and promotes the compact heap and rotate in order to compress tightly blade tenon tooth end around the connecting axle.
7. The circular-arc-tooth-type compressor rotor blade tenon tooth powerful grinding tool according to claim 5, wherein a positioning ball and a positioning ball connecting seat are further arranged in the box body, the positioning ball connecting seat is fixed to the top of the box body, the positioning ball is fixed to the positioning ball connecting seat, and the positioning ball is in contact with the surface of the inner flow channel of the blade to radially position the blade.
8. The circular-arc-tooth-type compressor rotor blade tenon tooth powerful grinding tool as claimed in claim 5, wherein the blade tip end positioning block is arranged at a corner of the box body, and two side edges are respectively contacted with two adjacent inner walls of the box body; two blade tip compression screws are arranged in the box body and respectively extend into the box body from the other two adjacent inner walls to compress the blade tip to the blade tip positioning block.
9. The circular-arc-tooth-type compressor rotor blade tenon tooth powerful grinding tool as claimed in claim 5, wherein the box body is formed by enclosing a first square box base body and a second square box base body, and the top and the bottom of the box body are not closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111217781.6A CN113894658A (en) | 2021-10-19 | 2021-10-19 | Strong grinding tool for tenon teeth of rotor blade of circular-arc-tooth-type gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111217781.6A CN113894658A (en) | 2021-10-19 | 2021-10-19 | Strong grinding tool for tenon teeth of rotor blade of circular-arc-tooth-type gas compressor |
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| Publication Number | Publication Date |
|---|---|
| CN113894658A true CN113894658A (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111217781.6A Pending CN113894658A (en) | 2021-10-19 | 2021-10-19 | Strong grinding tool for tenon teeth of rotor blade of circular-arc-tooth-type gas compressor |
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| CN (1) | CN113894658A (en) |
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| US20050091846A1 (en) * | 2003-10-31 | 2005-05-05 | Powers John M. | Method and apparatus for rebuilding gas turbine engines |
| CN104924181A (en) * | 2015-05-07 | 2015-09-23 | 北京航空航天大学 | Method and device for achieving full-profile grinding of blades with tenons through cylindrical coordinate three-axis linkage machine tool |
| CN105538096A (en) * | 2015-12-10 | 2016-05-04 | 中国南方航空工业(集团)有限公司 | Blade tenon grinding fixture |
| CN109531198A (en) * | 2018-11-27 | 2019-03-29 | 中国航发沈阳黎明航空发动机有限责任公司 | Improve the method and process area refine fixture of large and complex structure blade processing precision |
| CN109531196A (en) * | 2018-11-21 | 2019-03-29 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of Reference Transforming device for the processing of rotor blade tenon |
| CN110125701A (en) * | 2019-05-10 | 2019-08-16 | 中国航发航空科技股份有限公司 | A kind of method of frock clamp and clamping aero-turbine essence casting blade |
| CN212794396U (en) * | 2020-07-30 | 2021-03-26 | 西安嘉隆机械设备有限公司 | Blade tenon tooth grinding fixture for single-side slow-feeding grinding machine |
-
2021
- 2021-10-19 CN CN202111217781.6A patent/CN113894658A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050091846A1 (en) * | 2003-10-31 | 2005-05-05 | Powers John M. | Method and apparatus for rebuilding gas turbine engines |
| CN104924181A (en) * | 2015-05-07 | 2015-09-23 | 北京航空航天大学 | Method and device for achieving full-profile grinding of blades with tenons through cylindrical coordinate three-axis linkage machine tool |
| CN105538096A (en) * | 2015-12-10 | 2016-05-04 | 中国南方航空工业(集团)有限公司 | Blade tenon grinding fixture |
| CN109531196A (en) * | 2018-11-21 | 2019-03-29 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of Reference Transforming device for the processing of rotor blade tenon |
| CN109531198A (en) * | 2018-11-27 | 2019-03-29 | 中国航发沈阳黎明航空发动机有限责任公司 | Improve the method and process area refine fixture of large and complex structure blade processing precision |
| CN110125701A (en) * | 2019-05-10 | 2019-08-16 | 中国航发航空科技股份有限公司 | A kind of method of frock clamp and clamping aero-turbine essence casting blade |
| CN212794396U (en) * | 2020-07-30 | 2021-03-26 | 西安嘉隆机械设备有限公司 | Blade tenon tooth grinding fixture for single-side slow-feeding grinding machine |
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