CN112091672A - Frock clamp for hollow blade processing preventing penetration of excess material - Google Patents
Frock clamp for hollow blade processing preventing penetration of excess material Download PDFInfo
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- CN112091672A CN112091672A CN202010983068.1A CN202010983068A CN112091672A CN 112091672 A CN112091672 A CN 112091672A CN 202010983068 A CN202010983068 A CN 202010983068A CN 112091672 A CN112091672 A CN 112091672A
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- blade
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- tooth
- pressing block
- clamping seat
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- 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
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- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/005—Devices for removing chips by blowing
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a tool clamp for preventing excess from permeating for processing a hollow blade, which relates to the technical field of processing of aeroengine blades and comprises the following components: the positioning clamping device comprises a bottom plate and a positioning clamping seat arranged on the bottom plate; an upper double-tooth pressing block and a lower double-tooth supporting block are arranged on the positioning clamping seat, double teeth are respectively arranged on the upper double-tooth pressing block and the lower double-tooth supporting block, the upper double-tooth pressing block and the lower double-tooth supporting block are vertically spaced and oppositely arranged to form a blade fixing cavity matched with the tenon of the blade, one end, far away from the double teeth, of the upper double-tooth pressing block is arranged on the positioning clamping seat through an elastic supporting thin plate, a locking column is arranged on the positioning clamping seat, and the lower end of the locking column penetrates through the positioning clamping seat to be in contact with the upper double-tooth pressing block; the positioning and clamping seat is internally provided with a gas channel, one end of the gas channel is externally connected with a compressed air pipeline, and the other end of the gas channel is communicated with the blade fixing cavity.
Description
Technical Field
The invention relates to the technical field of machining of blades of aero-engines, in particular to a tool clamp for preventing excess from permeating for machining a hollow blade.
Background
Turbine blades are the most thermally and dynamically loaded components in aircraft engines. The effective cooling measure is a powerful guarantee for safe and reliable work of the aero-engine and is an effective measure for reducing the cost of high-temperature materials. With the annual increase of the temperature of gas at the inlet of the turbine, the hollow blade is increasingly widely applied, and the inner cavity structure of the blade is more and more complex.
The blade inner chamber is cast to form, in to blade machining, always has partial iron fillings or foreign matter to enter into the inner chamber of blade, causes the blade part to scrap. Traditional machining avoids getting into the foreign matter in the blade machining through blockking up the exit of blade inner chamber, takes out the plug after accomplishing machining, nevertheless along with the renewal of part, the inner chamber complexity of blade does not support to adopt this mode to process yet, and during finished product part X-ray inspection, always there is the part to have the foreign matter to cause the part to scrap, is restricting aeroengine inner chamber hollow blade's batch production.
Disclosure of Invention
The invention aims to provide a tool clamp for preventing the penetration of excess materials for processing a hollow blade, which can play roles in positioning, clamping and supporting the blade during the processing of the blade and can effectively prevent foreign matters from entering an inner cavity of the blade during the processing.
The technical scheme for solving the technical problems is as follows:
the utility model provides a hollow blade processing is with frock clamp of preventing infiltration of excess thing which characterized in that includes: the positioning clamping device comprises a bottom plate and a positioning clamping seat arranged on the bottom plate; an upper double-tooth pressing block and a lower double-tooth supporting block are arranged on the positioning clamping seat, double teeth are respectively arranged on the upper double-tooth pressing block and the lower double-tooth supporting block, the upper double-tooth pressing block and the lower double-tooth supporting block are vertically spaced and oppositely arranged to form a blade fixing cavity matched with the tenon of the blade, one end, far away from the double teeth, of the upper double-tooth pressing block is suspended on the positioning clamping seat through an elastic supporting thin plate, a locking column is arranged on the positioning clamping seat, and the lower end of the locking column penetrates through the positioning clamping seat to be in contact with the upper double-tooth pressing block; a gas channel is arranged in the positioning clamping seat, one end of the gas channel is externally connected with a compressed air pipeline, and the other end of the gas channel is communicated with the blade fixing cavity.
The tooling fixture is used for machining hollow blades of an aircraft engine, in the tooling fixture, the bottom plate is used for positioning the whole tooling fixture, so that the whole tooling fixture is fixed at a position corresponding to a machining cutter, and the positioning clamping seat arranged on the bottom plate plays a role in positioning and clamping the blades. Last double-tooth compact heap and lower double-tooth supporting block that press from both sides the interval and set up relatively about being equipped with on the tight seat, it all is equipped with two teeth to go up double-tooth compact heap and lower double-tooth supporting block, and it forms the fixed chamber of blade before going up double-tooth compact heap and lower double-tooth supporting block, the shape in the fixed chamber of blade and the shape structure phase-match of the tenon of blade, the fixed chamber of blade and the tenon clearance fit of blade, the fixed chamber of blade can only be pushed into from the side in the fixed chamber of blade to the blade tenon, go up double-tooth compact heap and lower double-tooth supporting block and realize the restriction of the axial direction of blade and 5 degrees of freedom of direction of rotation. After the tenon of blade was placed in the fixed chamber of blade, pressed down the double-tooth compact heap through the locking post, the elastic support sheet metal of going up double-tooth compact heap tip produced small deformation, made the double-tooth compact heap compress tightly the blade tenon, played the omnidirectional location clamping effect to the blade. The inside of the positioning clamping seat is also provided with a gas passage, the gas passage is used for introducing compressed air into the inner cavity of the blade during blade machining, foreign matters in the inner cavity of the blade are blown away through the compressed air, the foreign matters are prevented from entering the inner cavity of the blade, therefore, one end of the gas passage is externally connected with a compressed air pipeline, the other end of the gas passage is communicated with the fixed cavity of the blade, and a gas outlet of the gas passage is arranged between the upper double-tooth pressing block and the lower double-tooth supporting block.
Further, in a preferred embodiment of the present invention, the side wall of the positioning clamp seat is provided with a placing groove, the elastic support thin plate is connected with the bottom wall of the placing groove, the upper double-tooth pressing block is suspended in the placing groove, and the end of the upper double-tooth pressing block provided with the double teeth is arranged outside the placing groove.
The upper double-tooth pressing block is fixed in the placing groove through the elastic supporting thin plate, and a certain gap is reserved between the upper double-tooth pressing block and the upper wall surface and the lower wall surface of the placing groove, so that a space is provided for micro deformation of the elastic supporting thin plate; the lower double-tooth supporting block is arranged below the upper double-tooth pressing block and is opposite to the upper double-tooth pressing block.
Further, in the preferred embodiment of the present invention, the positioning clamping seat is provided with a threaded hole for cooperating with the locking column.
Set up threaded hole on the tight seat of location clamp of standing groove top, locking post outer wall is equipped with the external screw thread, locking post and the tight seat threaded connection of location clamp, and its lower extreme passes the screw hole and contradicts on last double-tooth compact heap to can make the locking post compress tightly or loosen last double-tooth compact heap through twisting the locking post.
Further, in a preferred embodiment of the present invention, a sealing connection pressing block is disposed at an end of the gas channel away from the blade fixing cavity, a through hole communicated with the gas channel is disposed in the sealing connection pressing block, a detachable air pipe joint is disposed at an end of the through hole away from the gas channel, and the air pipe joint is externally connected to a compressed air pipeline.
The sealing pressing block is used for installing the air pipe connector, the air pipe connector adopts a universal air pipe connector, so that the air passage and the compressed air pipe can be detachably connected, and the air pipe connector can be replaced when damaged.
Further, in the preferred embodiment of the invention, a sealing gasket is arranged between the sealing connection pressing block and the positioning clamping seat.
The sealing gasket strengthens the sealing performance between the through hole and the gas channel on the sealing connection pressing block, avoids the gas leakage at the joint and avoids reducing the pressure of compressed air.
Further, in a preferred embodiment of the present invention, the gas channel includes an air inlet section, a transition section and an air outlet section which are sequentially communicated, wherein one end of the air inlet section, which is far away from the transition section, is communicated with the through hole, one end of the air outlet section, which is far away from the transition section, is communicated with the blade fixing cavity, the size of the cross section of the air inlet section is larger than that of the cross section of the air outlet section, and the size of the cross section of the transition section is linearly reduced along the direction from the air inlet section to the air outlet.
The cross section diameter of the air inlet section is large, so that the air flow of compressed air which just enters the air channel can be stabilized, stable compressed air stably enters the air outlet section through the transition section with linearly reduced cross section size, and the cross section size of the transition section is gradually reduced, so that the compressed air is compressed and accelerated, the compressed air enters the air outlet section at high speed and high pressure, and finally the compressed air is blown into the cavity of the blade.
Further, in a preferred embodiment of the present invention, the bottom plate is further provided with a lateral positioning support seat, the lateral positioning support seat is provided with a lateral positioning support block, and the lateral positioning support block is disposed at one side of the blade fixing cavity and extends towards the blade fixing cavity.
The side direction location supporting seat plays the supporting role to the side direction locating piece, make the side direction locating piece set up with the fixed chamber height assorted position of blade, the side direction location supporting shoe is used for carrying out side direction butyl wen and supporting role to the blade, when the blade was followed one side propelling movement entering blade fixed chamber in the blade, when the blade moved to the side direction location supporting shoe, show that the blade is installed in place, the side conflict of blade this moment is on the side direction location supporting shoe, add man-hour, the side direction location supporting shoe can also play certain supporting role to the blade, it rocks to reduce the blade.
Further, in a preferred embodiment of the present invention, the laterally positioned support block comprises: the connecting block is arranged on the lateral positioning supporting block, and the spherical supporting block is arranged at one end, close to the blade fixing cavity, of the connecting block.
The supporting block adopts a spherical structure, the surface of the supporting block is round and smooth, and the blade cannot be damaged.
Further, in a preferred embodiment of the present invention, the base plate is provided with a reference surface having an angle matching with the inclination angle of the processing surface of the blade.
Because the edge of the processed blade is of an inclined structure, an inclined reference surface is arranged on the bottom plate and used for aligning and positioning the tool clamp when the tool clamp is installed, and the tool clamp is prevented from being installed in an inclined mode.
Further, in the preferred embodiment of the present invention, the bottom plate is provided with a process reference positioning ball.
The bottom plate is also provided with a process reference positioning ball which can be used as a detection reference of the size of the blade, the position of the process reference positioning ball is not particularly limited, and the process reference positioning ball can be set according to the size to be measured in actual processing.
The invention has the following beneficial effects:
1. the invention provides a tool clamp for preventing the penetration of excess materials for processing a hollow blade, which is provided with an upper double-tooth pressing block and a lower double-tooth supporting block, wherein a blade fixing cavity is formed between the upper double-tooth pressing block and the lower double-tooth supporting block and is used for positioning and clamping a tenon of the blade.
2. According to the invention, the upper double-tooth pressing block is arranged on the positioning clamping seat through the elastic supporting thin plate, and the elastic supporting thin plate is slightly deformed by extruding the upper double-tooth pressing block through the locking column, so that the upper double-tooth pressing block presses the blade, the pressing operation is simple, and the pressing effect is reliable.
3. According to the invention, the air channel is arranged, the air outlet of the air channel is arranged corresponding to the cavity of the blade, and compressed air is introduced into the air channel to enable the compressed air to enter the cavity of the blade, so that foreign matters entering the cavity of the blade can be blown away in the opposite direction.
4. The processing tool provided by the invention has strong universality in positioning and compressing and redundancy-prevention processing concepts, can be widely applied to processing of the same type and large batch of inner cavity blades, and is suitable for popularization and use in the field.
Drawings
FIG. 1 is a schematic view of the overall structure of a fixture for preventing penetration of excess material for machining a hollow blade according to the present embodiment;
FIG. 2 is a front view of the fixture for preventing the penetration of the excess material for machining the hollow blade in the present embodiment;
FIG. 3 is a left side view of the fixture for preventing penetration of excess material for machining a hollow blade according to the present embodiment;
FIG. 4 is a top view of the fixture for preventing the penetration of the excess material for machining the hollow blade in the present embodiment;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a schematic structural diagram of a fixture for preventing penetration of excess material for machining a hollow blade according to the present embodiment;
FIG. 7 is a front view of the use structure of the fixture for preventing the penetration of the excess material for machining the hollow vane in the present embodiment;
FIG. 8 is a right side view of the structure of the fixture for preventing the penetration of the excess material for machining the hollow vane in the present embodiment;
FIG. 9 is a top view of the application structure of the fixture for preventing the penetration of the excess material for machining the hollow vane in the present embodiment;
fig. 10 is a sectional view B-B of fig. 9.
Wherein: 1-a bottom plate; 11-a reference plane; 12-a process datum locating ball; 2-positioning the clamping seat; 21-upper double-tooth pressing block; 211-bidentate; 212-a flexible support sheet; 22-lower double-tooth support block; 221-blade fixing cavity; 23-a locking post; 24-a gas channel; 241-an air inlet section; 242-a transition section; 243-air outlet section; 25-placing a groove; 26-sealing and connecting the pressing block; 261-a via; 27-air pipe joint; 28-a seal gasket; 3-laterally positioning the supporting seat; 31-laterally positioning a support block; 311-connecting block; 312-a spherical support block; 4-a blade; 41-tenon; and 5, machining the cutter.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Examples
Referring to fig. 1, a fixture for preventing the penetration of excess materials for processing a hollow blade 4 comprises: the device comprises a bottom plate 1 and a positioning clamping seat 2 arranged on the bottom plate 1; in this embodiment, the bottom plate 1 is of a rectangular parallelepiped structure, the bottom plate 1 is further provided with a process reference positioning ball 12, the process reference ball is disposed on the inner side of the positioning clamp seat 2, referring to fig. 4, the positioning clamp seat 2 is obliquely disposed on the bottom plate 1, when the positioning clamp seat 2 is horizontally disposed, the right side surface of the bottom plate 1 is obliquely disposed, the right side surface of the bottom plate 1 is taken as a reference surface 11, and the oblique angle of the right side surface of the bottom plate 1 is matched with the oblique angle of the processing surface of the blade 4.
Referring to fig. 1, 2 and 5, a placing groove 25 is provided on a right side wall of the positioning clamp holder 2, an upper double-tooth pressing block 21 is provided in the placing groove 25, an inner end of the upper double-tooth pressing block 21 is disposed in the placing groove 25 through an elastic support sheet 212, a lower double-tooth support block 22 disposed opposite to the upper double-tooth pressing block 21 is further provided on the positioning clamp holder 2, the upper double-tooth pressing block 21 and the lower double-tooth support block 22 are respectively provided with double teeth 211, one end of the upper double-tooth pressing block 21 provided with the double teeth 211 is disposed outside the placing groove 25 and opposite to the double teeth 211 on the lower double-tooth support block 22, a vane 4 placing cavity 221 matched with a rabbet 41 of a vane 4 is formed between the upper double-tooth pressing block 21 and the lower double-tooth support block 22, in the present embodiment, the upper double-tooth pressing block 21, the support sheet and the lower double-tooth support block 22 are integrally formed, a threaded hole is further provided on the positioning clamp holder 2 vertically and communicated with, and a locking column 23 in threaded connection with the threaded hole is arranged in the threaded hole, the lower end of the locking column 23 passes through the threaded hole to be in contact with the upper double-tooth pressing block 21, and in the embodiment, the locking column 23 is an M8 socket head cap screw.
Referring to fig. 3 and 4, still be equipped with lateral positioning supporting seat 3 on bottom plate 1, be equipped with lateral positioning supporting block 31 on lateral positioning supporting seat 3, lateral positioning supporting block 31 sets up and places the one side of chamber 221 and place the chamber 221 extension to blade 4 at blade 4, and lateral positioning supporting block 31 includes: the connecting block 311 and the spherical supporting block 312 disposed at one end of the connecting block 311 close to the blade 4 placing cavity 221, the spherical supporting block 312 is a spherical structure, and in this embodiment, the spherical supporting block 312 extends into the blade 4 placing cavity 221.
Referring to fig. 5, a gas channel 24 is arranged in the positioning clamping seat 2, one end of the gas channel 24 is externally connected with a compressed air pipeline, and the other end of the gas channel 24 is communicated with the blade 4 placing cavity 221. The gas passage 24 includes, in order: the blade-mounting structure comprises an air inlet section 241, a transition section 242 and an air outlet section 243, wherein one end of the air inlet section 241, which is far away from the transition section 242, is communicated with a through hole 261, one end of the air outlet section 243, which is far away from the transition section 242, is communicated with a blade 4 placing cavity 221, the size of the cross section of the air inlet section 241 is larger than that of the cross section of the air outlet section 243, the size of the cross section of one end of the transition section 242, which is close to the air inlet section 241, is equal to that of the cross section of the air inlet section 241, the size of the cross section of one end of the transition section 242, which is close to the air outlet section 243. One end, far away from blade 4, of gas passage 24 in cavity 221 is provided with a sealing connection pressing block 26, a through hole 261 communicated with gas passage 24 is arranged in sealing connection pressing block 26, one end, far away from gas passage 24, of through hole 261 is provided with a detachable air pipe connector 27, and air pipe connector 27 is externally connected with a compressed air pipeline. A sealing gasket 28 is arranged between the sealing connection pressing block 26 and the positioning clamping seat 2. In this embodiment, the air pipe connector 27 is an MLCNL 10-1-B universal connector.
In the implementation, the bottom plate 1, the positioning clamping seat 2 and the lateral positioning supporting seat 3 are all obtained by high-temperature heat treatment of high-hardness wear-resistant materials CrWMn.
The specific use process of the tooling fixture is described below with reference to fig. 6-10:
(1) the installation process comprises the following steps:
s1, transversely sliding and pushing the tenon 41 of the blade 4 into the blade 4 placing cavity 221 from the side face of the blade 4 placing cavity, namely, the side face opposite to the lateral positioning support seat 3, and indicating that the tenon 41 moves in place when the tenon 41 abuts against the spherical support block 312.
S2, after the blade 4 is placed, the locking column 23 is rotated, the lower end of the locking column 23 is abutted to the upper double-tooth pressing block 21 and presses the upper double-tooth pressing block 21 downwards, and the upper double-tooth pressing block 21 is pressed against the tenon 41 through elastic deformation of the elastic supporting sheet 212 at one end of the upper double-tooth pressing block 21, so that the tenon 41 is stably fixed between the upper double-tooth pressing block 21 and the lower double-tooth supporting block 22.
S3, during machining, the machining tool 5 machines the blade 4 at the end of the blade 4, the compressed air pipe is connected to the air pipe connector 27, compressed air is introduced, the compressed air enters the connecting and sealing connection pressing block 26 through the air pipe connector 27 and then enters the air channel 24, finally the compressed air is transmitted to the inner cavity of the blade 4 and goes out from the tail of the inner cavity of the blade 4, and in the machining process, the airflow can generate reverse acting force to the foreign matters moving in the inner cavity of the blade 4, so that the foreign matters are blown away, and the foreign matters are prevented from entering the cavity of the blade 4.
(2) And (3) unloading process: after the blade 4 is processed, firstly, the compressed air is closed, the locking column 23 is loosened, and the elastic supporting thin plate 212 is restored under the action of the self resilience force, so that the upper double-tooth pressing block 21 is driven to move upwards, the tenon 41 is loosened, and finally, the tenon 41 is taken out from one side of the blade 4 placing cavity 221 in a transverse sliding mode.
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 invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a hollow blade processing is with frock clamp of preventing infiltration of excess thing which characterized in that includes: the device comprises a bottom plate (1) and a positioning clamping seat (2) arranged on the bottom plate (1);
an upper double-tooth pressing block (21) and a lower double-tooth supporting block (22) are arranged on the positioning clamping seat (2), double teeth (211) are respectively arranged on the upper double-tooth pressing block (21) and the lower double-tooth supporting block (22), the upper double-tooth pressing block (21) and the lower double-tooth supporting block (22) are vertically spaced and oppositely arranged to form a blade fixing cavity (221) matched with the tenon of a blade, one end, far away from the double teeth (211), of the upper double-tooth pressing block (21) is suspended on the positioning clamping seat (2) through an elastic supporting thin plate (212), a locking column (23) is arranged on the positioning clamping seat (2), and the lower end of the locking column (23) penetrates through the positioning clamping seat (2) and is in contact with the upper double-tooth pressing block (21);
the positioning clamping seat (2) is internally provided with a gas channel (24), one end of the gas channel (24) is externally connected with a compressed air pipeline, and the other end of the gas channel (24) is communicated with the blade fixing cavity (221).
2. The frock clamp for preventing the penetration of the excess residues for processing the hollow blade according to the claim 1, wherein the side wall of the positioning clamping seat (2) is provided with a placing groove (25), the elastic supporting thin plate (212) is connected with the bottom wall of the placing groove (25), the upper double-tooth pressing block (21) is suspended in the placing groove (25) and one end of the upper double-tooth pressing block (21) provided with the double teeth (211) is arranged outside the placing groove (25).
3. The frock clamp for preventing the penetration of the excess residues for the processing of the hollow blade according to claim 2, wherein the positioning clamping seat (2) is provided with a threaded hole matched with the locking column (23).
4. The frock clamp for preventing the penetration of the excess substances for the processing of the hollow blade according to any one of claims 1 to 3, wherein one end of the gas channel (24) far away from the blade fixing cavity (221) is provided with a sealing connection pressing block (26), a through hole (261) communicated with the gas channel (24) is arranged in the sealing connection pressing block (26), one end of the through hole (261) far away from the gas channel (24) is provided with a detachable gas pipe joint (27), and the gas pipe joint (27) is externally connected with a compressed air pipeline.
5. The frock clamp for preventing the penetration of the excess residues for processing the hollow blade according to claim 4, wherein a sealing gasket (28) is further arranged between the sealing connection pressing block (26) and the positioning clamping seat (2).
6. The frock clamp for preventing the permeation of the excess residues for processing the hollow blade according to claim 4, wherein the gas channel (24) comprises a gas inlet section (241), a transition section (242) and a gas outlet section (243) which are communicated in sequence, the gas inlet section (241) is communicated with the through hole (261), the gas outlet section (243) is communicated with the blade fixing cavity (221), the size of the cross section of the gas inlet section (241) is larger than that of the cross section of the gas outlet section (243), and the size of the cross section of the transition section (242) is linearly reduced along the direction from the gas inlet section (241) to the gas outlet section (243).
7. The frock clamp for preventing the penetration of the excess residues for the processing of the hollow blades according to claim 6, wherein the bottom plate (1) is further provided with a lateral positioning support seat (3), the lateral positioning support seat (3) is provided with a lateral positioning support block (31), and the lateral positioning support block (31) is arranged at one side of the blade fixing cavity (221) and extends towards the blade fixing cavity (221).
8. A tool clamp for preventing the penetration of the excess residues for processing the hollow blade according to claim 7, wherein the lateral positioning support block (31) comprises: a connecting block (311) arranged on the lateral positioning supporting block (31) and a spherical supporting block (312) arranged at one end of the connecting block (311) close to the blade fixing cavity (221).
9. The frock clamp for preventing the penetration of the excess substances for the processing of the hollow blades according to claim 1, wherein the bottom plate (1) is provided with a reference surface (11) the angle of which is matched with the inclined angle of the processing surface of the blade.
10. The frock clamp for preventing the penetration of the excess residues for the processing of the hollow blade according to the claim 1, characterized in that the bottom plate (1) is provided with a process reference positioning ball (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010983068.1A CN112091672A (en) | 2020-09-17 | 2020-09-17 | Frock clamp for hollow blade processing preventing penetration of excess material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010983068.1A CN112091672A (en) | 2020-09-17 | 2020-09-17 | Frock clamp for hollow blade processing preventing penetration of excess material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112091672A true CN112091672A (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010983068.1A Pending CN112091672A (en) | 2020-09-17 | 2020-09-17 | Frock clamp for hollow blade processing preventing penetration of excess material |
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| CN (1) | CN112091672A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113084711A (en) * | 2021-03-25 | 2021-07-09 | 中国航发南方工业有限公司 | Differential pressure sand blowing device and differential pressure sand blowing method for guide vane capable of being rapidly clamped |
| CN113977456A (en) * | 2021-11-12 | 2022-01-28 | 中国航发贵州黎阳航空动力有限公司 | Tool for machining and detecting sealing tooth grooves of turbine blades |
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