CN117001087A - Blade clamp capable of achieving electric spark machining and numerical control milling - Google Patents
Blade clamp capable of achieving electric spark machining and numerical control milling Download PDFInfo
- Publication number
- CN117001087A CN117001087A CN202311264458.3A CN202311264458A CN117001087A CN 117001087 A CN117001087 A CN 117001087A CN 202311264458 A CN202311264458 A CN 202311264458A CN 117001087 A CN117001087 A CN 117001087A
- Authority
- CN
- China
- Prior art keywords
- positioning block
- machining
- numerical control
- bottom plate
- electric spark
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003754 machining Methods 0.000 title claims abstract description 54
- 238000010892 electric spark Methods 0.000 title claims abstract description 31
- 238000003801 milling Methods 0.000 title claims abstract description 31
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H5/00—Combined machining
- B23H5/04—Electrical discharge machining combined with mechanical working
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
- B23H11/003—Mounting of workpieces, e.g. working-tables
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a blade clamp taking electric spark machining and numerical control milling into account, and relates to the technical field of structural design and application of a tool for blade machining, wherein the blade clamp taking electric spark machining and numerical control milling into account comprises: the device comprises a bottom plate, a first positioning block, a second positioning block, an angular positioning block, a pressing plate and a pressing bolt; the blade clamp comprises a base plate, a first positioning block, a second positioning block, an angular positioning block, a pressing plate and a pressing bolt, wherein the base plate is of a disc structure, the base plate is provided with a hole structure for connecting the first positioning block, the second positioning block, the angular positioning block, the pressing plate and the pressing bolt, the outer diameter direction of the base plate is provided with a circle jump alignment belt, and the blade clamp for electric spark machining and numerical control milling machining can be used for machining an air inlet edge film hole effectively by an electric spark machine tool and simultaneously can be quickly replaced to a four-coordinate numerical control milling machine tool for milling 4 bosses.
Description
Technical Field
The invention relates to the technical field of structural design and application of tools for blade machining, and particularly provides a blade clamp capable of achieving electric spark machining and numerical control milling.
Background
The high-pressure turbine guide vane is used as a thermal component at the rear end of a gas passage of an engine and is assembled with a combustion chamber casing, and as the high-pressure turbine guide vane is a high-pressure turbine part and cannot be connected to the combustion chamber casing in a hanging mode, a supporting plate pin is required to be installed on a gas inlet edge and a lower edge plate and then connected with the casing, 4 phi 2.9 air film holes are required to be processed on the gas inlet edge and the lower edge plate for installing the supporting plate pin, and bosses at the 4 parts of the upper edge plate and the lower edge plate which are symmetrical are required to be milled, so that the same set of fixture cannot be used in two processing procedures of a traditional fixture.
It is highly desirable to obtain a blade clamp with excellent technical effects, which combines electric spark machining and numerical control milling, and can meet the requirement that the same set of clamp is used in two machining procedures.
Disclosure of Invention
The invention aims to provide a blade clamp which is compatible with electric spark machining and numerical control milling machining. The processing efficiency can be improved, and the use of the tool is reduced.
The blade clamp for electric spark machining and numerical control milling machining comprises: the device comprises a bottom plate, a first positioning block, a second positioning block, an angular positioning block, a pressing plate and a pressing bolt; the bottom plate is of a disc structure, and is designed into a disc structure as the workbench of the electric spark machining equipment and the workbench of the four-coordinate numerical control milling equipment are of the disc structure, so that a machining center can be quickly found out; the bottom plate sets up a circumference alignment area at the surface, conveniently confirms the processing angle, guarantees to find the position of putting of part at the workstation fast for the angular positioning piece bottom of location blade basin to the reference surface is connected at the bottom plate, for making the blade effectively fix a position on the frock, the locating piece of this design is unilateral location structure, can prevent that the blade from crossing the location, and design structure is exquisite device, and part weight is lighter, can prolong the life of lathe. The first positioning block and the second positioning block are respectively connected with the bottom plate, a pressing plate and a pressing bolt are arranged at the joint of the first positioning block and the second positioning block with the bottom plate, and the first positioning block and the second positioning block are used for fixing the blade positioning reference surface.
Preferably, the grinding roughness of the circle jump alignment belt and the circumferential alignment belt is Ra0.8. The two alignment belts can ensure that the placement position of the part on the workbench can be found out quickly;
preferably, the outer side of the top of the compression bolt is provided with reticulate patterns, and the inner side of the top is provided with an inner hexagonal locking structure. According to the characteristic that electric spark machining has no mechanical kinetic energy, when the electric spark machine is used for machining, a large pressing force is not required to be provided, when electric spark equipment is used for machining, blade machining can be guaranteed only by manually pressing a reticulate pattern part, and when numerical control milling equipment is used for machining, an inner hexagonal wrench can be used for pressing an inner hexagonal locking structure, so that the stability of a part is guaranteed.
Preferably, the design of the angular positioning block enables the blade angular double inclined planes to be converted into single inclined planes, and the upper positioning plate of the angular positioning block is of a hollow structure. The angle positioning block is provided with an angle with a seat below the angle positioning block for being connected with the bottom plate. The angle is a conversion angle, so that the tool is convenient to manufacture, and the conversion angle can be freely determined.
Preferably, the materials of the bottom plate, the angular positioning block and the compression bolt are 2Cr13.
The blade clamp taking into account electric spark machining and numerical control milling can be used for machining the air inlet edge air film hole 7 by an electric spark machine tool, and simultaneously can be quickly replaced to a four-coordinate numerical control milling machine tool to mill 4 bosses 8, so that the machining efficiency is high, the use of a plurality of sets of tools is saved, the machining cost is reduced for a high guide vane, the machining efficiency is improved, and the machining consistency is ensured and the machining quality is qualified due to the fact that the same set of tools is adopted in two steps.
The blade clamp for electric spark machining and numerical control milling machining is characterized in that the base is of a disc structure, the electric spark machine tool and the numerical control milling machine tool which are of the disc structure can be quickly replaced, the special tool can be used for switching the air inlet edge air film hole and the boss, the machining mode can be switched at will, the use of the tool is saved, the machining reference is consistent, and the machining has higher consistency.
Drawings
The invention will be described in further detail with reference to the accompanying drawings and embodiments:
FIG. 1 is a schematic view of a blade clamp compatible with electric spark machining and numerical control milling;
FIG. 2 is a schematic diagram of an application of a blade clamp for machining a gas film hole, wherein the blade clamp is compatible with electric spark machining and numerical control milling;
FIG. 3 is a schematic illustration of an application of a blade clamp for both spark machining and numerical control milling in numerical control milling;
FIG. 4 is a top view of the base plate;
FIG. 5 is a cross-sectional view taken at B-B in FIG. 4;
FIG. 6 is a schematic view of an angular positioning block;
FIG. 7 is a schematic diagram of a cross-hatch on a hold-down bolt;
fig. 8 is a schematic view of the locking structure of the inner hexagon on the compression bolt.
Detailed Description
Example 1
As shown in fig. 1-5, the blade clamp for electric spark machining and numerical control milling comprises: the device comprises a bottom plate 1, a first positioning block 2, a second positioning block 3, an angular positioning block 4, a pressing plate 5 and a pressing bolt 6; the bottom plate 1 is of a disc structure, and because the workbench of the electric spark machining equipment and the workbench of the four-coordinate numerical control milling equipment are of the disc structure, the bottom plate 1 is designed into the disc structure, so that a machining center can be quickly found out, a hole structure for connecting the first positioning block 2, the second positioning block 3, the angular positioning block 4, the pressing plate 5 and the pressing bolt 6 is arranged on the bottom plate 1, and a circle jump alignment belt 11 is arranged in the outer diameter direction of the bottom plate 1, so that the machining center can be quickly found out after the bottom plate 1 is connected with the workbench of the electric spark machining and the numerical control milling machining; the bottom plate 1 sets up a circumference alignment area 12 at the surface, conveniently confirms the processing angle, guarantees to find the position of putting of part at the workstation fast for the angular positioning piece 4 bottom of location blade basin to the reference surface is connected at bottom plate 1, for making the blade effectively fix a position on the frock, and the locating piece of this design is unilateral location structure, can prevent that the blade from passing the location, and design structure is exquisite device, and part weight is lighter, can prolong the life of lathe. The first positioning block 2 and the second positioning block 3 are respectively connected with the bottom plate 1, a pressing plate 5 and a pressing bolt 6 are arranged at the joint of the first positioning block 2 and the second positioning block 3 with the bottom plate 1, and the first positioning block 2 and the second positioning block 3 are used for fixing a blade positioning reference surface.
As shown in fig. 1, the roughness of the circular runout alignment belt 11 and the circumferential alignment belt 12 is ra0.8. The two alignment belts can ensure that the placement position of the part on the workbench can be found out quickly;
as shown in fig. 7 and 8, the compression bolt 6 is provided with a reticulation 9 on the outside of the top and a hexagon socket lock structure 10 on the inside of the top. According to the characteristic that electric spark machining has no mechanical kinetic energy, when the electric spark machine is used for machining, a large pressing force is not required to be provided, when electric spark equipment is used for machining, blade machining can be guaranteed only by manually pressing a reticulate pattern part, and when numerical control milling equipment is used for machining, an inner hexagonal wrench can be used for pressing the inner hexagonal locking structure 10, so that the stability of a part is guaranteed.
As shown in fig. 6, the design of the angular positioning block 4 converts the blade angular double inclined plane into a single inclined plane, the upper positioning plate of the angular positioning block 4 is of a hollow structure, and the angular positioning block 4 has an angle with a lower seat for connecting with the bottom plate. The angle is a conversion angle, so that the tool is convenient to manufacture, and the conversion angle can be freely determined.
Preferably, the materials of the bottom plate 1, the angular positioning block 4 and the compression bolt 6 are 2Cr13.
Claims (5)
1. A blade clamp for electric spark machining and numerical control milling machining is characterized in that: the blade clamp for electric spark machining and numerical control milling machining comprises: the device comprises a bottom plate (1), a first positioning block (2), a second positioning block (3), an angular positioning block (4), a pressing plate (5) and a pressing bolt (6); wherein, bottom plate (1) is disc structure, be provided with on bottom plate (1) and be used for connecting first locating piece (2), second locating piece (3), angle locating piece (4), clamp plate (5) and hold-down bolt (6) hole structure, bottom plate (1) external diameter direction is provided with one and jumps alignment area (11), bottom plate (1) sets up one circumference alignment area (12) at the surface for locating blade basin angle locating piece (4) bottom connection at bottom plate (1) to the reference surface, first locating piece (2) and second locating piece (3) are connected with bottom plate (1) respectively, first locating piece (2) and second locating piece (3) are provided with clamp plate (5) and hold-down bolt (6) with bottom plate (1) junction.
2. The blade clamp for electric spark machining and numerical control milling according to claim 1, wherein: the grinding roughness of the circle jump alignment belt (11) and the circumferential alignment belt (12) is Ra0.8.
3. The blade clamp for electric spark machining and numerical control milling according to claim 2, wherein: the outer side of the top of the compression bolt (6) is provided with reticulate patterns (9), and the inner side of the top is provided with an inner hexagonal locking structure (10).
4. A blade clamp for both electric discharge machining and numerical control milling according to claim 3, wherein: the upper positioning plate of the angular positioning block (4) is of a hollow structure, and the angular positioning block (4) is provided with an angle with a seat below the angular positioning block for being connected with the bottom plate (1).
5. The blade clamp for electric spark machining and numerical control milling according to claim 4, wherein: the materials of the bottom plate (1), the angular positioning block (4) and the compression bolt (6) are 2Cr13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311264458.3A CN117001087A (en) | 2023-09-28 | 2023-09-28 | Blade clamp capable of achieving electric spark machining and numerical control milling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311264458.3A CN117001087A (en) | 2023-09-28 | 2023-09-28 | Blade clamp capable of achieving electric spark machining and numerical control milling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117001087A true CN117001087A (en) | 2023-11-07 |
Family
ID=88576566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311264458.3A Pending CN117001087A (en) | 2023-09-28 | 2023-09-28 | Blade clamp capable of achieving electric spark machining and numerical control milling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117001087A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117506043A (en) * | 2024-01-02 | 2024-02-06 | 成都和鸿科技股份有限公司 | Guide blade dustpan hole machining tool and machining method |
| CN118046052A (en) * | 2024-04-16 | 2024-05-17 | 成都和鸿科技股份有限公司 | Positioning method for blade surface machining groove |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676661A (en) * | 2020-11-25 | 2021-04-20 | 中国航发沈阳黎明航空发动机有限责任公司 | Process device for electrically processing gas film hole by high-pressure turbine guide blade |
| CN113649658A (en) * | 2021-09-10 | 2021-11-16 | 南京航空航天大学 | Electric spark and abrasive flow combined machining method for working blade of gas compressor |
| CN113664309A (en) * | 2021-08-25 | 2021-11-19 | 中国航发沈阳黎明航空发动机有限责任公司 | Tool setting method for electric pulse machining interference air film hole |
| KR102361572B1 (en) * | 2021-03-31 | 2022-02-14 | 한전케이피에스 주식회사 | Jig for fixing blade and system for processing cooling hole including the same |
| CN116604374A (en) * | 2023-07-20 | 2023-08-18 | 沈阳强航时代精密科技有限公司 | Clamp for positioning and compacting turbine guide blade of aero-engine |
-
2023
- 2023-09-28 CN CN202311264458.3A patent/CN117001087A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676661A (en) * | 2020-11-25 | 2021-04-20 | 中国航发沈阳黎明航空发动机有限责任公司 | Process device for electrically processing gas film hole by high-pressure turbine guide blade |
| KR102361572B1 (en) * | 2021-03-31 | 2022-02-14 | 한전케이피에스 주식회사 | Jig for fixing blade and system for processing cooling hole including the same |
| CN113664309A (en) * | 2021-08-25 | 2021-11-19 | 中国航发沈阳黎明航空发动机有限责任公司 | Tool setting method for electric pulse machining interference air film hole |
| CN113649658A (en) * | 2021-09-10 | 2021-11-16 | 南京航空航天大学 | Electric spark and abrasive flow combined machining method for working blade of gas compressor |
| CN116604374A (en) * | 2023-07-20 | 2023-08-18 | 沈阳强航时代精密科技有限公司 | Clamp for positioning and compacting turbine guide blade of aero-engine |
Non-Patent Citations (1)
| Title |
|---|
| 李镜悬，李国平，王放达: "一种叶片下缘板内圆及锥面测具设计研究", 内燃与配件, pages 27 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117506043A (en) * | 2024-01-02 | 2024-02-06 | 成都和鸿科技股份有限公司 | Guide blade dustpan hole machining tool and machining method |
| CN117506043B (en) * | 2024-01-02 | 2024-05-03 | 成都和鸿科技股份有限公司 | Guide blade dustpan hole machining tool and machining method |
| CN118046052A (en) * | 2024-04-16 | 2024-05-17 | 成都和鸿科技股份有限公司 | Positioning method for blade surface machining groove |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117001087A (en) | Blade clamp capable of achieving electric spark machining and numerical control milling | |
| CN102501112B (en) | Quick repeated positioning device for machining | |
| CN112496485B (en) | Positioning fixture for machining air film hole in shielding part of duplex block-cast guide blade and machining method of air film hole | |
| CN112427979B (en) | Turbocharger shell machining clamp with online adjustable rotary positioning reference | |
| CN208663512U (en) | A kind of special fixture of abrasive flows four-way interface macropore inner wall polishing | |
| CN102501115A (en) | Internal expansion clamping mechanism for medium-size and large-size bearings | |
| CN208083884U (en) | A kind of guide vane construction section numerical control mill positioning fixture | |
| CN113681322A (en) | Blade positioning key end face machining clamping device and method | |
| CN215546733U (en) | General vacuum chuck clamp used on machining center | |
| CN219967187U (en) | Clamp for adjusting coaxiality of casing | |
| CN113070649A (en) | Method for processing air inlet fairing of heavy gas turbine compressor | |
| CN109648475B (en) | Inner curve grinding tool for hydraulic motor shell | |
| CN219521880U (en) | Clamp for processing welding cavity | |
| CN218017093U (en) | Fir type TRT spacer block batch grinding clamp | |
| CN221185637U (en) | Semi-ring lathe fixture | |
| CN212551770U (en) | Novel pump case turning anchor clamps | |
| CN220445739U (en) | Valve body turning and milling composite tool | |
| CN214471755U (en) | Air flue blowing core box of aluminum-plastic structure | |
| CN218926770U (en) | Welding positioning tool for positioning block of combustion chamber shell | |
| CN113909591B (en) | Aeroengine electric spark machining clamp and clamping method | |
| CN220687413U (en) | Novel assembly fixture of high-pressure stationary blade ring with structure | |
| CN213645901U (en) | Special fixture for multifunctional machining center workbench | |
| CN218341083U (en) | Multi-purpose quick change conversion cover structure | |
| CN214642023U (en) | Compound shape anchor clamps of preapring for an unfavorable turn of events of turbine shell turn-milling | |
| CN219189986U (en) | Stator blade ring assembly and processing composite tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |