CN211841119U - Flexible clamp for machining blade profile - Google Patents
Flexible clamp for machining blade profile Download PDFInfo
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- CN211841119U CN211841119U CN202020280347.7U CN202020280347U CN211841119U CN 211841119 U CN211841119 U CN 211841119U CN 202020280347 U CN202020280347 U CN 202020280347U CN 211841119 U CN211841119 U CN 211841119U
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- floating
- hole
- blade
- screw rod
- clamping
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Abstract
The utility model relates to a blade processing clamp, in particular to a flexible clamp for processing blade profiles, which comprises a base; the two clamping seats are arranged on the base in a sliding mode and are symmetrically arranged; the driving device is connected with the clamping seats and is used for driving the two clamping seats to clamp or loosen the blade; and the floating clamping device is arranged on the clamping seat and is used for clamping the blade. The utility model provides a flexible clamp for blade profile processing simple structure, convenient to use, can be suitable for the tight, the clamping of clamp of multiple blade rapidly, reduce the cost of anchor clamps, make things convenient for anchor clamps management.
Description
Technical Field
The utility model relates to a blade adds clamping apparatus, especially flexible fixture is used in blade profile processing.
Background
In recent years, in order to relieve regional, seasonal and other power supply and demand unbalance conditions in China, large-scale investment is made on national power grids by China, the installed capacity of power generation in China is continuously increased, new products of turbine blades are continuously emerged, and the new products are required to be put into batch production as soon as possible.
Due to the limitation of the blades with various specifications and complex shapes, the requirements on the blade machining clamp become complex, various clamps need to be customized, and much inconvenience is brought to field production and clamp management.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a can reduce anchor clamps kind, be suitable for multiple blade, flexible fixture is used in the convenient quick blade profile processing of clamping, and concrete technical scheme is:
the flexible clamp for processing the blade profile comprises a base; the two clamping seats are arranged on the base in a sliding mode and are symmetrically arranged; the driving device is connected with the clamping seats and is used for driving the two clamping seats to clamp or loosen the blade; and the floating clamping device is arranged on the clamping seat and is used for clamping the blade.
Through adopting above-mentioned technical scheme, floating clamping device can be according to the surperficial curved surface automatic adjustment of blade to the clamp of realization curved surface.
Preferably, the driving device comprises a central fixed seat, and the central fixed seat is fixed in the screw rod groove of the base and is positioned in the center of the screw rod groove; the double-head screw rod is rotatably arranged on a rotating hole of the central fixed seat, one end of the double-head screw rod is provided with left-handed threads, and the other end of the double-head screw rod is provided with right-handed threads; the clamping seats are symmetrically arranged on two sides of the central fixed seat and are respectively connected with the left-handed thread and the right-handed thread of the double-head screw rod.
Through adopting above-mentioned technical scheme, drive two when the double-end lead screw rotates and press from both sides tight seat in opposite directions or relative movement to realize pressing from both sides tight or loosen of blade, improved the speed of clamping blade.
Preferably, both ends of the double-end screw rod are provided with regular prisms, and the end parts of the regular prisms are provided with hexagon socket holes.
Through adopting above-mentioned technical scheme, regular prism is regular hexagonal prism, facilitates the use spanner to rotate double-end lead screw. The inner hexagon facilitates the use of an inner hexagon wrench to rotate the double-head screw rod.
Preferably, the central fixing seat is provided with a pin hole, the pin hole is symmetrically positioned at two sides of the axis of the rotating hole, and the pin hole is communicated with the rotating hole; a rotating shaft is arranged in the center of the double-head screw rod, and an annular rotating groove is formed in the rotating shaft; the device also comprises a limit pin; the limiting pin is fixed in the pin hole and inserted into the rotating groove.
Through adopting above-mentioned technical scheme, spacing pin is inserted and is prevented double-end lead screw axial float in rotating the inslot.
Preferably, positioning grooves are formed in two sides of the screw rod groove, positioning blocks are arranged on two sides of the clamping seat, and the positioning blocks are inserted into the positioning grooves in a sliding mode.
Through adopting above-mentioned technical scheme, constant head tank and locating piece are used for restricting the position of pressing from both sides tight seat, reduce the atress of double-end lead screw.
Preferably, the floating clamping device comprises a plurality of floating pressure rods, and the floating pressure rods are used for pressing the blade; the floating seat is provided with a plurality of floating holes, the floating pressure rod is movably inserted in the floating holes, and the floating seat is also provided with air inlet holes which are respectively communicated with the floating holes.
Through adopting above-mentioned technical scheme, gaseous or hydraulic oil promotion unsteady depression bar compresses tightly on the blade when injecting into gaseous or hydraulic oil, because unsteady depression bar can move along the axis, consequently the depression bar of floating can with the curve phase-match on blade surface, the length that every unsteady depression bar of curve automatic adjustment on blade surface stretches out, realize compressing tightly of curved surface, can be suitable for multiple curved surface, very big reduction the weight of anchor clamps, the cost of anchor clamps is reduced, and make things convenient for the management of anchor clamps, reduce anchor clamps occupation space.
Preferably, one end of the floating pressure rod is provided with a limiting ring, and the diameter of the limiting ring is larger than that of the floating pressure rod; the bottom of the floating hole is provided with a limiting hole, the diameter of the limiting hole is larger than that of the floating hole, the limiting ring is located in the limiting hole, and the limiting hole is communicated with the air inlet hole.
Through adopting above-mentioned technical scheme, the spacing ring is used for restricting the extension length of unsteady depression bar to with unsteady depression bar restriction in the hole that floats, prevent that unsteady depression bar from breaking away from the hole that floats, increase simultaneously and the area of contact of high-pressure gas or hydraulic oil, increase the packing force.
Preferably, the floating pressure rod is provided with a tail end sealing ring, and the tail end sealing ring is positioned on one side of the limiting ring.
Through adopting above-mentioned technical scheme, terminal sealing washer can prevent that gas or hydraulic oil from leaking, can play the cushioning effect simultaneously, prevents that the depression bar that floats from assaulting the blade.
Preferably, a sliding sealing ring is arranged on the floating hole or the floating pressure rod and is positioned between the floating hole and the floating pressure rod.
Through adopting above-mentioned technical scheme, the slip sealing washer is O shape circle, and the slip sealing washer can prevent to float and leak gas between depression bar and the hole that floats.
Preferably, the other end of the floating pressure rod is an arc head.
Through adopting above-mentioned technical scheme, the circular arc head can laminate with the curved surface precision of blade to can prevent to crush the surface of blade.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides a flexible clamp for blade profile processing simple structure, convenient to use, can be suitable for the tight, the clamping of clamp of multiple blade rapidly, reduce the cost of anchor clamps, make things convenient for anchor clamps management.
Drawings
FIG. 1 is a schematic structural view of a flexible fixture for machining a blade profile;
FIG. 2 is an exploded view of a flexible fixture for machining a blade profile;
FIG. 3 is a schematic view of a cross-sectional view of a flexible fixture for machining a blade profile along the center;
FIG. 4 is a schematic cross-sectional view of the floating clamp assembly;
FIG. 5 is a schematic view of the structure of the base;
FIG. 6 is a schematic structural view of the central fixing seat;
FIG. 7 is a schematic structural view of a double-headed screw rod;
FIG. 8 is a schematic view of the structure of the clamping seat;
fig. 9 is a schematic structural view of the floating seat.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
The floating clamping device is automatically adjusted according to the curved surface of the blade, so that the curved surface is clamped, and various blades are clamped.
As shown in fig. 1 to 9, the flexible fixture for blade profile machining comprises a base 1; the two clamping seats 2 are arranged on the base 1 in a sliding mode and are symmetrically arranged; the driving device is connected with the clamping seats 2 and is used for driving the two clamping seats 2 to clamp or loosen the blade; and the floating clamping device is arranged on the clamping seat 2 and is used for clamping the blade.
Specifically, the top of base 1 is equipped with lead screw groove 11, and lead screw groove 11 is logical groove, and base 1's bottom is equipped with reference column 8, and reference column 8 is used for installing on the lathe.
The two sides of the screw rod groove 11 are provided with positioning grooves 12, the two sides of the clamping seat 2 are provided with positioning blocks 54, and the positioning blocks 54 are inserted into the positioning grooves 12 in a sliding manner.
The positioning groove 12 and the positioning block 54 are used for limiting the position of the clamping seat 2, so that the clamping seat 2 can only move left and right along the axis of the double-head screw rod 6, and meanwhile, the stress of the double-head screw rod 6 can be reduced.
The center of the screw rod groove 11 is provided with a fixing groove 13, and the bottom of the screw rod groove 11 is provided with a screw hole 14.
The driving device comprises a central fixing seat 5, a rotating hole 51 is formed in the central fixing seat 5, a pin hole 52 and a fixing hole 53 are formed in the bottom of the central fixing seat 5, the pin holes 52 are symmetrically located on two sides of the axis of the rotating hole 51, the pin holes 52 are communicated with the rotating hole 51, the fixing hole 53 is located between the two pin holes 52, the fixing hole 53 is matched with the screw hole 14, two sides of the central fixing seat 5 are inserted into the fixing groove 13, the bottom of the central fixing seat 5 is in contact with the bottom of the lead screw groove 11, a bottom screw penetrates through the screw hole 14 and is connected with the fixing hole 53, the central fixing seat 5 is fixed in the lead screw groove 11 through the bottom screw, and the fixing groove 13 is used for limiting the position of the central fixing seat; the double-head screw rod 6 is characterized in that a rotating shaft 63 is arranged at the center of the double-head screw rod 6, an annular rotating groove 66 is formed in the rotating shaft 63, the rotating shaft 63 is rotatably installed in the rotating hole 51, left-handed threads are arranged on one side of the rotating shaft 63, and right-handed threads are arranged on the other side of the rotating shaft 63; and a limit pin 7; the stopper pin 7 is fixed in the pin hole 52, and the stopper pin 7 is inserted in the rotation groove 66.
The clamping seats 2 are symmetrically arranged on two sides of the central fixed seat 5, and the clamping seats 2 are respectively connected with left-handed threads and right-handed threads of the double-head screw rod 6. When the double-end screw rod 6 rotates, the two clamping seats 2 are driven to move oppositely or relatively, so that the blades are clamped or loosened, and the blade clamping speed is increased.
The limit pin 7 is inserted in the rotating groove 66 to prevent the double-end screw rod 6 from axially moving.
The regular prism is a regular hexagonal prism, and a wrench is convenient to use to rotate the double-end screw rod 6. The inner hexagon facilitates the use of an inner hexagon wrench to rotate the double-head screw rod 6.
The floating clamping device comprises a plurality of floating pressure rods 4, and the floating pressure rods 4 are used for pressing the blades;
the floating seat 3 is provided with a plurality of floating holes 31, the floating pressure rod 4 is movably inserted in the floating holes 31, the floating seat 3 is also provided with air inlet holes 33, and the air inlet holes 33 are respectively communicated with the floating holes 31.
Gas or hydraulic oil promote unsteady depression bar 4 and compress tightly on the blade when injecting into gas or hydraulic oil, because unsteady depression bar 4 can move along the axis, consequently unsteady depression bar 4 can with the curve phase-match on blade surface, the length that every unsteady depression bar 4 of curve automatic adjustment on blade surface stretches out, realize compressing tightly of curved surface, can be suitable for multiple curved surface, very big reduction the weight of anchor clamps, the cost of anchor clamps has been reduced, and make things convenient for the management of anchor clamps, reduce anchor clamps occupation space.
One end of the floating pressure rod 4 is provided with a limiting ring 41, and the diameter of the limiting ring 41 is larger than that of the floating pressure rod 4; the bottom of the floating hole 31 is provided with a limiting hole 32, the diameter of the limiting hole 32 is larger than that of the floating hole 31, the limiting ring 41 is positioned in the limiting hole 32, and the limiting hole 32 is communicated with the air inlet 33.
The limiting ring 41 is used for limiting the extending length of the floating pressure rod 4, limiting the floating pressure rod 4 in the floating hole 31, preventing the floating pressure rod 4 from being separated from the floating hole 31, and simultaneously increasing the contact area with high-pressure gas or hydraulic oil and increasing the pressing force.
The floating pressure rod 4 is provided with a tail end sealing ring which is positioned at one side of the limiting ring 41.
The tail end sealing ring can prevent gas or hydraulic oil from leaking, and can play a role in buffering to prevent the floating pressure rod 4 from impacting the blade.
And a sliding sealing ring is arranged on the floating hole 31 or the floating pressure rod 4 and is positioned between the floating hole 31 and the floating pressure rod 4. The sliding sealing ring and the tail end sealing ring are O-shaped rings, and the sliding sealing ring can prevent air leakage between the floating pressure rod 4 and the floating hole 31.
The other end of the floating pressure lever 4 is an arc head. The arc head can be precisely attached to the curved surface of the blade, and the surface of the blade can be prevented from being crushed.
Claims (10)
1. The flexible fixture for processing the blade profile is characterized by comprising
A base;
the two clamping seats are arranged on the base in a sliding mode and are symmetrically arranged;
the driving device is connected with the clamping seats and is used for driving the two clamping seats to clamp or loosen the blade; and
the floating clamping device is arranged on the clamping seat and is used for clamping the blade.
2. The blade profile working flexible fixture of claim 1, wherein said drive means comprises
The central fixing seat is fixed in the screw rod groove of the base and is positioned in the center of the screw rod groove; and
the double-head screw rod is rotatably installed on a rotating hole of the central fixed seat, one end of the double-head screw rod is provided with left-handed threads, and the other end of the double-head screw rod is provided with right-handed threads;
the clamping seats are symmetrically arranged on two sides of the central fixed seat and are respectively connected with the left-handed thread and the right-handed thread of the double-head screw rod.
3. The flexible clamp for machining the blade profile as claimed in claim 2, wherein both ends of the double-headed screw rod are provided with regular prisms, and the ends of the regular prisms are provided with hexagonal socket holes.
4. The flexible fixture for machining the blade profile according to claim 2, wherein the central fixing seat is provided with pin holes, the pin holes are symmetrically positioned at two sides of the axis of the rotating hole, and the pin holes are communicated with the rotating hole;
a rotating shaft is arranged in the center of the double-head screw rod, and an annular rotating groove is formed in the rotating shaft;
the device also comprises a limit pin; the limiting pin is fixed in the pin hole and inserted into the rotating groove.
5. The flexible fixture for machining blade profiles as claimed in claim 2, wherein positioning grooves are formed on both sides of the screw rod groove, positioning blocks are formed on both sides of the clamping seat, and the positioning blocks are slidably inserted into the positioning grooves.
6. The flexible fixture for blade profiling according to claim 1 or 2, wherein the floating clamp device comprises
A plurality of floating pressure rods are arranged and used for pressing the blades;
the floating seat is provided with a plurality of floating holes, the floating pressure rod is movably inserted in the floating holes, and the floating seat is also provided with air inlet holes which are respectively communicated with the floating holes.
7. The flexible fixture for machining the blade profile as claimed in claim 6, wherein a limiting ring is arranged at one end of the floating pressure rod, and the diameter of the limiting ring is larger than that of the floating pressure rod;
the bottom of the floating hole is provided with a limiting hole, the diameter of the limiting hole is larger than that of the floating hole, the limiting ring is located in the limiting hole, and the limiting hole is communicated with the air inlet hole.
8. The flexible fixture for machining blade profiles as claimed in claim 6, wherein the floating compression bar is provided with a terminal sealing ring, and the terminal sealing ring is positioned on one side of the limiting ring.
9. The flexible fixture for machining blade profiles as claimed in claim 6, wherein a sliding seal ring is mounted on the floating hole or the floating pressure rod and is located between the floating hole and the floating pressure rod.
10. The flexible blade profile machining jig as claimed in claim 6, wherein the other end of the floating strut is a round head.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019208401022 | 2019-06-05 | ||
| CN201920840102 | 2019-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211841119U true CN211841119U (en) | 2020-11-03 |
Family
ID=73132089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020280347.7U Active CN211841119U (en) | 2019-06-05 | 2020-03-09 | Flexible clamp for machining blade profile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211841119U (en) |
-
2020
- 2020-03-09 CN CN202020280347.7U patent/CN211841119U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Flexible fixture for blade surface machining Effective date of registration: 20210722 Granted publication date: 20201103 Pledgee: Bank of Jiangsu Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: WUXI RUNHE BLADE MANUFACTURING Co.,Ltd. Registration number: Y2021320010265 |