CN207309731U - A kind of cooling structure device for facing grinding directly for tenon tooth blade blade root intermediate - Google Patents
A kind of cooling structure device for facing grinding directly for tenon tooth blade blade root intermediate Download PDFInfo
- Publication number
- CN207309731U CN207309731U CN201721313866.3U CN201721313866U CN207309731U CN 207309731 U CN207309731 U CN 207309731U CN 201721313866 U CN201721313866 U CN 201721313866U CN 207309731 U CN207309731 U CN 207309731U
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- China
- Prior art keywords
- hole
- jet port
- vertical
- cover board
- positioning base
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Abstract
The utility model provides a kind of cooling structure device for facing grinding directly for tenon tooth blade blade root intermediate, it can solve the problems, such as that the intermediate of existing tenon-tooth blade-root faces grinding burn directly.It includes the intermediate locating piece of existing clamp, and intermediate locating piece includes the positioning base and cover board that will be obtained after cutting in the middle part of its top surface；Horizontal through hole is offered along its length in the middle part of positioning base, offers several vertical through holes with horizontal through hole vertical connection along its length on the positioning base above horizontal through hole；The top edge of positioning base on the outside of cover board offers the first jet port with vertical through hole face one by one, the oblique connection in middle part of the first jet port and corresponding vertical through hole；Offer the blind hole with vertical through hole face one by one on the bottom surface of cover board, the diameter of blind hole is more than the diameter of vertical through hole, and the top edge of cover board offers the second jet port with blind hole face one by one, the second jet port and the oblique connection in the middle part of corresponding blind hole.
Description
Technical field
Turbine blade root grinding fixture field is the utility model is related to, is specially a kind of be used in tenon tooth blade blade root
Mesosome faces the cooling structure device of grinding directly.
Background technology
As the demand of the continuous progressive and high-power unit of blade design, the intermediate of the blade root 2 of tenon tooth blade 1 are straight
Face M is designed to be more and more longer, and the Design of length that the intermediate of some external big blades is faced directly has been even up to 45mm, sees Fig. 1
And Fig. 2.When processing the blade root of tenon tooth blade using grinding method, first blade is clamped using the clamp as shown in Fig. 1 ~ 3
It is fixed, wherein, the integral shroud 3 of blade is held out against using top 4, and the fixture at blade root 2 includes the supporting block 5 of both sides, side locating piece
6th, intermediate locating piece 7 and compact heap 8, wherein, the schematic diagram of intermediate locating piece 7 is shown in Fig. 4 ~ Fig. 6.After blade is fixedly clamped,
Intermediate is ground using emery wheel 9 and faces M directly, sees Fig. 2 and Fig. 3.It is that face is contacted with face to face M directly with intermediate due to 9 front end face of emery wheel,
Coolant can not be sent to the grinding area by the lathe cooling device 10 positioned at 9 side of emery wheel, seen Fig. 7, caused this face easily to be burnt
Wound.Phenomena such as burn can become higher cracked product grinding skin, changes in microstructure, grinding skin hardness, follow-up
Flaw detection process can be found can't pass, and can only scrap；Even if the burn trace produced in grinding process is buffed off, surface is temporary
When do not see because the high shot-peening of grinding skin hardness does not spray in follow-up blade root blasting process, thus occurring in burn site
This problem is exposed again for speck；Polishing burn trace can also cause that blade root profile tolerance is overproof, and blade is because of size reason
Directly scrap.
For a long time, solution tenon-tooth blade-root grinds by force burning problems and is mainly the following method at present：
First, nozzle angle is adjusted；
2nd, cooling system pressure is increased；
3rd, emery wheel model is replaced；
4th, nozzle quantity is increased.
But after the above method all obtains implementation, burning problems still cannot be fully solved, that can only just use change mill
Parameter is cut, slows down the mode of grinding rhythm, but this will cause grinding efficiency significantly to decline.
To sum up, it is always an eldest child for strong grinder sequence that the intermediate of tenon-tooth blade-root, which faces grinding burn problem directly,
Difficult problem, for a long time never gratifying solution.
The content of the invention
In view of the above-mentioned problems, the utility model provides a kind of cooling for facing grinding directly for tenon tooth blade blade root intermediate
Constructional device, it can solve the problems, such as that the intermediate of existing tenon-tooth blade-root faces grinding burn directly, thereby may be ensured that tenon tooth blade
The grinding quality faced directly of blade root intermediate.
Its technical solution is such：A kind of cooling structure device for facing grinding directly for tenon tooth blade blade root intermediate,
It includes the intermediate locating piece of existing clamp, it is characterised in that：The intermediate locating piece is included in the middle part of its top surface
The positioning base and cover board obtained after cutting, the cover board covers the positioning base and the two is detachably connected；The positioning
The middle part of base offers horizontal through hole along its length, along it on the positioning base above the horizontal through hole
Length direction offers several vertical through holes with the horizontal through hole vertical connection；It is described fixed on the outside of the cover board
The top edge of position base offers the first jet port with vertical through hole face one by one, first jet port with it is corresponding
The vertical through hole the oblique connection in middle part；Offered on the bottom surface of the cover board blind with vertical through hole face one by one
Hole, the diameter of the blind hole are more than the diameter of the vertical through hole, and the top edge of the cover board offers and the blind hole one
Second jet port of one face, the oblique connection in middle part of second jet port and the corresponding blind hole.
It is further characterized by：
First jet port and second jet port are kidney slot.
The length of first jet port and second jet port is equal with the diameter of the vertical through hole.
The width of first jet port and second jet port is 1.5mm.
The both ends of the horizontal through hole are machined with internal thread.
Internal thread is machined with the upper end of the vertical through hole of the first jet port face.
Several counterbores are equipped with the cover board along its length, the positioning base is equipped with the counterbore one by one
The threaded hole of face, the cover board are fixed in the positioning base by the screw in the counterbore and the threaded hole
On.
The beneficial effects of the utility model are：
1st, the cooling structure device of the utility model, utilizes the installation position of the intermediate locating piece on existing clamp
Advantage is put, is used to convey the horizontal through hole of coolant and vertical through hole by processing on existing intermediate locating piece, and
For the first jet port and the second jet port of spray cooling liquid, and enable the first jet port and the second jet port is oblique sprays
Penetrate coolant so that coolant can smoothly reach intermediate and face cooling dead angle position with emery wheel front end face directly, effectively solve
The easy burn problem in the region, substantially improving for this region cooling effect will lift the grinding efficiency of tenon-tooth blade-root, alleviate
The production bottleneck problem of this procedure, the processing cost of blade is also reduced by putting forward effect；
2nd, by the way that jet port is designed to kidney-shaped slot structure, larger projected area and higher injection pressure can be obtained
Power, further lifts cooling effect；
3rd, the cooling structure device of the utility model is to carry out structure of modification to existing intermediate locating piece, is not only processed
It is easy to manufacture, and it is effectively saved the cost of device.
Brief description of the drawings
Fig. 1 is the structure diagram using existing clamp clamping tenon tooth blade；
Fig. 2 is the left view of Fig. 1（Band emery wheel）；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the front view of existing intermediate locating piece；
Fig. 5 is the top view of Fig. 4；
Fig. 6 is the left view of Fig. 4；
Fig. 7 cools down schematic diagram for existing grinding；
Fig. 8 is the front view of the cover board of the utility model；
Fig. 9 is the top view of Fig. 8；
Figure 10 is the sectional view of the line A-A along Fig. 9；
Figure 11 is the top view of the positioning base of the utility model；
Figure 12 is the sectional view of the line B-B along Figure 11；
Figure 13 is the sectional view of the line C-C along Figure 11；
Figure 14 is the use state diagram of the utility model device；
Figure 15 is the sectional view of the line D-D along Figure 14；
Figure 16 is the sectional view of the E-E lines along Figure 14.
Reference numeral：20- positioning bases；21- threaded holes；22- horizontal through hole；The vertical through holes of 23-；The first jet ports of 24-；
30- cover boards；31- counterbores；32- blind holes；The second jet ports of 33-；40- screws.
Embodiment
See Fig. 8 ~ Figure 16, a kind of cooling structure dress for facing grinding directly for tenon tooth blade blade root intermediate of the utility model
Put, it includes the intermediate locating piece of existing clamp, by the non-locating region i.e. centre of its top surface of intermediate locating piece
Region cuts next piece, is divided into the positioning base 20 of bottom and the cover board 30 cut off, and cover board 30 covers positioning base 20,
It is equipped with several counterbores 31 on cover board 30 along its length, positioning base 20 is equipped with the threaded hole with the face one by one of counterbore 31
21, cover board 30 is fixed on positioning base 20 by the screw 40 in counterbore 31 and threaded hole 21；Positioning base 20
Middle part offers horizontal through hole 22 along its length（In use, one end of horizontal through hole is connected with the delivery pipe of coolant,
The vexed hole of the other end）, on the positioning base 20 above horizontal through hole 22 offer several along its length leads to level
The vertical through hole 23 of 22 vertical connection of hole, the quantity of vertical through hole and distribution are designed according to cooling required；Positioned at the outside of cover board 30
The top edge of positioning base 20 offer the first jet port 24 with vertical through hole 23 face one by one, the first jet port 24 with
The oblique connection in middle part of corresponding vertical through hole 23（It is in use, the upper end of the vertical through hole with the first jet port face is vexed
Hole）；The blind hole 32 with vertical through hole 23 face one by one is offered on the bottom surface of cover board 30, the diameter of blind hole 32 is more than vertical through hole
23 diameter, the top edge of cover board 30 offer the second jet port 33 with the face one by one of blind hole 32, the second jet port 33 with
The oblique connection in middle part of corresponding blind hole 32.
See Fig. 9 and Figure 11, the first jet port 24 and the second jet port 33 are kidney slot, the first jet port 24 and the second spray
The length of loophole 33 is equal with the diameter of vertical through hole 23, and the width of the first jet port 24 and the second jet port 33 is 1.5mm.
It is so designed that, larger projected area and higher injection pressure can be obtained.
See Figure 13, the both ends of horizontal through hole 22 are machined with internal thread, with the vertical through hole 23 of 24 face of the first jet port
Upper end is machined with internal thread.It is so designed that, vexed hole when being easy to use.
Claims (7)
1. a kind of cooling structure device for facing grinding directly for tenon tooth blade blade root intermediate, it is included in existing clamp
Mesosome locating piece, it is characterised in that：The intermediate locating piece include the positioning base that will be obtained after cutting in the middle part of its top surface and
Cover board, the cover board covers the positioning base and the two is detachably connected；The middle part of the positioning base is along its length
Offer horizontal through hole, offered along its length on the positioning base above the horizontal through hole several with
The vertical through hole of the horizontal through hole vertical connection；The top edge of the positioning base on the outside of the cover board offers
With the first jet port of vertical through hole face one by one, first jet port and the middle part of the corresponding through hole vertically are oblique
To connection；The blind hole with vertical through hole face one by one is offered on the bottom surface of the cover board, the diameter of the blind hole is more than
The diameter of the vertical through hole, the top edge of the cover board offer the second jet port with blind hole face one by one, institute
State middle part oblique connection of second jet port with the corresponding blind hole.
2. a kind of cooling structure device for facing grinding directly for tenon tooth blade blade root intermediate according to claim 1, its
It is characterized in that：First jet port and second jet port are kidney slot.
3. a kind of cooling structure device for facing grinding directly for tenon tooth blade blade root intermediate according to claim 2, its
It is characterized in that：The length of first jet port and second jet port is equal with the diameter of the vertical through hole.
4. a kind of cooling structure device for facing grinding directly for tenon tooth blade blade root intermediate according to claim 3, its
It is characterized in that：The width of first jet port and second jet port is 1.5mm.
A kind of 5. cooling knot for facing grinding directly for tenon tooth blade blade root intermediate according to any one of claim 1 ~ 4
Structure device, it is characterised in that：The both ends of the horizontal through hole are machined with internal thread.
6. a kind of cooling structure device for facing grinding directly for tenon tooth blade blade root intermediate according to claim 5, its
It is characterized in that：Internal thread is machined with the upper end of the vertical through hole of the first jet port face.
7. a kind of cooling structure device for facing grinding directly for tenon tooth blade blade root intermediate according to claim 6, its
It is characterized in that：Several counterbores are equipped with the cover board along its length, the positioning base is equipped with and the counterbore one
The threaded hole of one face, the cover board are fixed in the positioning bottom by the screw in the counterbore and the threaded hole
On seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721313866.3U CN207309731U (en) | 2017-10-12 | 2017-10-12 | A kind of cooling structure device for facing grinding directly for tenon tooth blade blade root intermediate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721313866.3U CN207309731U (en) | 2017-10-12 | 2017-10-12 | A kind of cooling structure device for facing grinding directly for tenon tooth blade blade root intermediate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207309731U true CN207309731U (en) | 2018-05-04 |
Family
ID=62429958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721313866.3U Withdrawn - After Issue CN207309731U (en) | 2017-10-12 | 2017-10-12 | A kind of cooling structure device for facing grinding directly for tenon tooth blade blade root intermediate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207309731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107639544A (en) * | 2017-10-12 | 2018-01-30 | 无锡透平叶片有限公司 | Face the cooling structure device of grinding directly for tenon tooth blade blade root intermediate |
-
2017
- 2017-10-12 CN CN201721313866.3U patent/CN207309731U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107639544A (en) * | 2017-10-12 | 2018-01-30 | 无锡透平叶片有限公司 | Face the cooling structure device of grinding directly for tenon tooth blade blade root intermediate |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180504 Effective date of abandoning: 20230523 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180504 Effective date of abandoning: 20230523 |