CN207058481U - Turbo blade fabrication hole blocks up ball erecting device - Google Patents
Turbo blade fabrication hole blocks up ball erecting device Download PDFInfo
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- CN207058481U CN207058481U CN201720917684.0U CN201720917684U CN207058481U CN 207058481 U CN207058481 U CN 207058481U CN 201720917684 U CN201720917684 U CN 201720917684U CN 207058481 U CN207058481 U CN 207058481U
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- ball
- fabrication hole
- turbo blade
- erecting device
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Abstract
It the utility model is related to a kind of turbo blade fabrication hole and block up ball erecting device, including adsorption head (6), main body bar (4) and elastic bag (5), adsorption head (6) and elastic bag (5) are respectively provided at the both ends of main body bar (4), the end of adsorption head (6) has the accommodating cavity (61) for being used for accommodating stifled ball (8), elastic bag (5) connects with accommodating cavity (61), main body bar (4) is elongate rod-like structures, for stretching into the passage (2) on turbo blade (1) so that adsorption head (6) reaches the installation site of stifled ball (8).Such a stifled ball erecting device is simple to operate, the less stifled ball of diameter closely can be reliably adsorbed in use in accommodating cavity, it is not easy to drop, and elongated main body bar can be directly entered in passage to approach the installation site of stifled ball, more rapidly stifled ball can be placed in fabrication hole exactly, it is easily controlled, improves the success rate and process efficiency of stifled ball installation.
Description
Technical field
It the utility model is related to the mounting technique field that ball is blocked up in aero engine turbine blades, more particularly to a kind of turbine
Ball erecting device is blocked up in blade production hole.
Background technology
Need to design the type of complexity as shown in figure 1, the inner-cavity structure of aero engine turbine blades 1 is complicated, during casting
Core, core is dissolved by chemical technology afterwards by the use of the ceramic core of high quality as core material, casting metals, so as in turbine leaf
Required air duct is left in piece 1.During actual casting, fully according to the core often rigidity of design requirement manufacture
It is poor.Therefore in the design of blade, it is necessary to specially increasing fabrication hole 3 improves the rigidity of core in casting process, height is prevented
Core deforms during warm casting of metals.
Exist because fabrication hole 3 is intended merely to facilitate technique, thus turbo blade 1 cast after the completion of need to block technique
Hole 3, so as to ensure that air-flow is flowed by the passage of design.By taking certain turbine rotor blade as an example, the diameter of fabrication hole 3 is only 2 millimeters, blade
, it is necessary to block fabrication hole 3 with 2mm metal ball after casting is good.
Way of the prior art is that stifled ball 8 is spread into solder, then clamps stifled ball 8 with tweezers, passes through the bottom of turbo blade 1
Passage 2 stifled ball 8 is placed in fabrication hole 3, then enter stove welding, stifled ball 8 is completely fixed in fabrication hole 3, as shown in Figure 2
View.
Although this way operation is fairly simple, because the diameter for blocking up ball 8 is too small, tweezers easily drop when gripping,
Generally require stifled ball 8 could be placed into success many times, greatly reduce efficiency.Simultaneously because passage 2 is small-sized, tweezers
It is difficult to be deep into inside, the installation site for causing stifled ball 8 is difficult control, can only rely on the experience of assembler and stifled ball 8 is fallen into work
In skill hole 3, manufacturability is poor.
Utility model content
The purpose of this utility model is to propose that a kind of turbo blade fabrication hole blocks up ball erecting device, can be easier stifled ball
Ground is fitted into fabrication hole, improves the installation effectiveness of stifled ball.
To achieve the above object, the utility model provides a kind of turbo blade fabrication hole and blocks up ball erecting device, including inhales
Attached head, main body bar and elastic bag, the adsorption head and the elastic bag are respectively provided at the both ends of the main body bar, the suction
The end of attached head has the accommodating cavity for being used for accommodating the stifled ball, and the elastic bag connects with the accommodating cavity, the main body
Bar is elongate rod-like structures, for stretching into the passage on turbo blade so that the adsorption head reaches the installation position of stifled ball
Put.
Further, the accommodating cavity is the conical cavity extended out.
Further, be provided with through hole inside the main body bar along its length, the elastic bag by the through hole with
The accommodating cavity connection.
Further, the diameter of the through hole is less than the diameter of the stifled ball.
Further, the diameter of the main body bar is less than the diameter of the stifled ball.
Further, in addition to sealing ring, the sealing ring is sticked and to be covered in the adsorption head corresponding with accommodating cavity
On inwall.
Further, the elastic bag is in elliposoidal.
Further, the elastic bag is formed using vulcanie；And/or the adsorption head uses metal material.
Further, the opening of the main body bar and the elastic bag, which uses, is interference fitted.
Further, the length of the main body bar is adapted with the depth of the passage, so that the adsorption head can
Reach and stifled ball is placed at the fabrication hole connected with the passage.
Based on above-mentioned technical proposal, turbo blade fabrication hole of the present utility model blocks up ball erecting device, the two of main body bar
End is respectively equipped with adsorption head and elastic bag, can discharge by pinching compression elasticity air bag and after the stifled ball of alignment, be inhaled using vacuum
Attached principle inhales stifled ball in the accommodating cavity of adsorption head, then elongated main body bar stretched into the passage of turbo blade so that
Adsorption head reaches the installation site of stifled ball, then pinches compression elasticity air bag again and discharges stifled ball to be placed in fabrication hole.It is such a
Stifled ball erecting device is simple to operate, in use closely can reliably adsorb the less stifled ball of diameter in accommodating cavity
In, it is not easy to drop, and elongated main body bar can be directly entered in passage to approach the installation site of stifled ball, Ke Yigeng
Rapidly and accurately stifled ball is placed in fabrication hole, is easily controlled, improves the success rate and process efficiency of stifled ball installation.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is the structural representation for not installing stifled ball in the fabrication hole of turbo blade；
Fig. 2 is that the structural representation after stifled ball is installed in the fabrication hole of turbo blade；
Fig. 3 is the structural representation of one embodiment that the utility model turbo blade fabrication hole blocks up ball erecting device；
Fig. 4 is schematic enlarged-scale view at the A in Fig. 3；
Fig. 5 is the sectional view that the utility model turbo blade fabrication hole blocks up ball erecting device one embodiment.
Description of reference numerals
1st, turbo blade；2nd, passage；3rd, fabrication hole；4th, main body bar；5th, elastic bag；6th, adsorption head；7th, sealing ring；8、
Stifled ball；41st, through hole；61st, accommodating cavity.
Embodiment
The utility model described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.
The each side so limited can combine with any other one side or many aspects, not can be combined unless explicitly stated otherwise.Especially
It is, it is considered to be preferable or favourable any feature can be considered as preferable or favourable spy with other one or more
Sign combination.
In description of the present utility model, it is to be understood that term " interior ", " outer ", " circumference ", " axial direction " and " radial direction "
Orientation or position relationship Deng instruction are based on orientation shown in the drawings or position relationship, are for only for ease of and describe this practicality newly
Type, rather than the device of instruction or hint meaning must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as the limitation to scope of protection of the utility model.
In order to improve the process efficiency that stifled ball 8 is installed in turbo blade fabrication hole, the utility model provides a kind of whirlpool
Impeller blade fabrication hole blocks up ball erecting device, in a schematical embodiment, as shown in figure 3, the stifled ball erecting device includes
Adsorption head 6, main body bar 4 and elastic bag 5, adsorption head 6 and elastic bag 5 are respectively provided at the both ends of main body bar 4.
Wherein, the end of adsorption head 6 is another with the accommodating cavity 61 for being used to accommodate stifled ball 8, the one end open of accommodating cavity 61
End and the gas connection of elastic bag 5, operator pinch compression elasticity air bag 5 with hand and bring it about deformation, discharge the portion in elastic bag 5
Point air, when making the stifled ball 8 of the alignment of adsorption head 6, then discharge elastic bag 5 and just adsorb stifled ball 8 using the principle of vacuum suction
In accommodating cavity 61, the less stifled ball 8 of diameter closely can be reliably adsorbed in accommodating cavity 61, do not allowed in operation
Easily drop.Under normal circumstances, with reference to figure 5, it is spheroidal structure to block up ball 8, thus the shape of accommodating cavity 61 should make adsorption head 6
Side wall at least partly surrounds stifled ball 8.
As shown in figure 1, passage 2 is located at the bottom of turbo blade 1, it is elongated hole, fabrication hole 3 is located at close to passage 2
Root position, and connected in the position of the side wall of passage 2 with passage 2.In order to which main body bar 4 is successfully stretched into ventilation
In hole 2, main body bar 4 is elongate rod-like structures, for stretching into the passage 2 on turbo blade 1 so that adsorption head 6 reaches stifled ball
8 installation site, that is, reach the orifice position of fabrication hole 3, now pinching compression elasticity air bag 5 again just can be by stifled ball 8 quick and precisely
Ground is placed in fabrication hole 3.The action that stifled ball and the stifled ball installation site of adjustment are adsorbed in whole assembling process is all easier
Control, it is possible to increase the success rate and process efficiency of stifled ball installation.
Preferably, the length of main body bar 4 is adapted with the depth of passage 2, and main body bar 4 so is being extend into passage
After in 2, it can reach adsorption head 6 and stifled ball 8 is placed at the fabrication hole 3 connected with passage 2, can further improve the stifled ball of placement
8 accuracy and success rate.
Preferably, accommodating cavity 61 is the conical cavity extended out.Such a structure can guide stifled ball 8 to enter in accommodating cavity 61, nothing
By the stifled ball 8 of the opening of accommodating cavity 61 alignment completely, the absorption difficulty of stifled ball 8 need to be reduced.Enlarged drawing at A as shown in Figure 4, inhale
Attached first 6 conical inboard wall can prevent stifled ball 8 from dropping in the circumferential well around stifled ball 8 is surrounded.It is preferred that adsorption head 6
The angle of conical inboard wall and own axes is less than 45 °, so as to make most of volume of stifled ball 8 all in accommodating cavity 61 within, enter
One step improves the fastness and reliability that stifled ball 8 adsorbs.In order to reduce the volume of adsorption head 6, the outer wall of adsorption head 6 also can be in cone
Shape, so that adsorption head 6 has side wall in uniform thickness.Alternately, accommodating cavity 61 can also be circular cylindrical cavity.
On this basis, as shown in figure 5, stifled ball erecting device may also include sealing ring 7, sealing ring 7 is sticked and is covered in
Adsorption head 6 with 61 corresponding inwall of accommodating cavity, tapered cyclic structure.Sealing ring 7, can from the larger material of coefficient of friction
With increasing friction force and sealing, it is easy to draw stifled ball 8, prevents gas leakage.For example, elastomeric material can be selected in sealing ring 7.
Adsorption head 6 can be made of metal material, itself do not allow it is yielding, can also improve sealing ring 7 fixation it is firm
Property, gas leak phenomenon thus is less likely to occur in absorption stifled ball 8 and causes stifled ball 8 to drop.
In order to realize the connection of accommodating cavity 61 and elastic bag 5, as shown in figure 5, being provided with along its length inside main body bar 4
Through hole 41, elastic bag 5 are connected by through hole 41 with accommodating cavity 61.
Preferably, the diameter of through hole 41 is less than the diameter of stifled ball 8, because negative pressure is excessive during preventing from drawing, causes stifled ball 8
It is inhaled into elastic bag 5.
Further, it the diameter of main body bar 4 is less than the diameter of stifled ball 8, can be more reliably prevented from due to negative
Press through big and cause stifled ball 8 to be inhaled into elastic bag 5, and the less main body bar 4 of diameter can more easily extend into it is logical
In stomata 2, and the position of adsorption head 6 can be flexibly adjusted by slightly swinging main body bar 4, stifled ball 8 is accurately arrived at installation
Position.
In the various embodiments described above, elastic bag 5 is in elliposoidal, is easy to pinch pressure with hand to discharge the partial air of inside.
Elastic bag 5 can be made of vulcanie, and larger screen resilience can be produced when loosing one's grip, so as to larger negative pressure
Draw stifled ball 8.Preferably, main body bar 4, to ensure sealing effectiveness, avoids with the opening of elastic bag 5 using being interference fitted
Gas leak phenomenon occurs after long-term use, improves the service life of stifled ball erecting device.
Stifled ball erecting device shown in Fig. 3 when in use, partly pinches elastic bag 5, and the part excluded in elastic bag 5 is empty
Gas, then adsorption head 6 is directed at stifled ball 8, stifled ball 8 can be just adsorbed after loosing one's grip in the accommodating cavity 61 in adsorption head 6.Then adsorb
First 6 and main body bar 4 extend into the passage 2 of the bottom of turbo blade 1, pinch elastic bag 5 again, you can discharge stifled ball 8
And it is placed on exactly in fabrication hole 3.
Specific embodiment used herein is set forth to principle of the present utility model and embodiment, and the above is real
The explanation for applying example is only intended to help and understands method and its core concept of the present utility model.It should be pointed out that led for this technology
For the those of ordinary skill in domain, on the premise of the utility model principle is not departed from, if can also be carried out to the utility model
Dry to improve and modify, these are improved and modification is also fallen into the protection domain of the utility model claims.
Claims (10)
1. a kind of turbo blade fabrication hole blocks up ball erecting device, it is characterised in that including adsorption head (6), main body bar (4) and elasticity
Air bag (5), the adsorption head (6) and the elastic bag (5) are respectively provided at the both ends of the main body bar (4), the adsorption head
(6) end has the accommodating cavity (61) for being used for accommodating the stifled ball (8), the elastic bag (5) and the accommodating cavity (61)
Connection, the main body bar (4) is elongate rod-like structures, for stretching into the passage (2) on turbo blade (1) so that the suction
Attached head (6) reaches the installation site of stifled ball (8).
2. turbo blade fabrication hole according to claim 1 blocks up ball erecting device, it is characterised in that the accommodating cavity (61)
For the conical cavity extended out.
3. turbo blade fabrication hole according to claim 1 blocks up ball erecting device, it is characterised in that the main body bar (4)
Inside is provided with through hole (41) along its length, and the elastic bag (5) is connected by the through hole (41) and the accommodating cavity (61)
It is logical.
4. turbo blade fabrication hole according to claim 3 blocks up ball erecting device, it is characterised in that the through hole (41)
Diameter is less than the diameter of the stifled ball (8).
5. turbo blade fabrication hole according to claim 1 blocks up ball erecting device, it is characterised in that the main body bar (4)
Diameter be less than the stifled ball (8) diameter.
6. turbo blade fabrication hole according to claim 1 blocks up ball erecting device, it is characterised in that also including sealing ring
(7), the sealing ring (7) is sticked and is covered on the adsorption head (6) inwall corresponding with accommodating cavity (61).
7. turbo blade fabrication hole according to claim 1 blocks up ball erecting device, it is characterised in that the elastic bag
(5) it is in elliposoidal.
8. turbo blade fabrication hole according to claim 1 blocks up ball erecting device, it is characterised in that the elastic bag
(5) formed using vulcanie；And/or the adsorption head (6) uses metal material.
9. turbo blade fabrication hole according to claim 1 blocks up ball erecting device, it is characterised in that the main body bar (4)
Opening with the elastic bag (5) is using interference fit.
10. turbo blade fabrication hole according to claim 1 blocks up ball erecting device, it is characterised in that the main body bar (4)
Length be adapted with the depth of the passage (2) so that the adsorption head (6) can reach and the passage (2) even
Place stifled ball (8) in logical fabrication hole (3) place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720917684.0U CN207058481U (en) | 2017-07-27 | 2017-07-27 | Turbo blade fabrication hole blocks up ball erecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720917684.0U CN207058481U (en) | 2017-07-27 | 2017-07-27 | Turbo blade fabrication hole blocks up ball erecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207058481U true CN207058481U (en) | 2018-03-02 |
Family
ID=61517593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720917684.0U Active CN207058481U (en) | 2017-07-27 | 2017-07-27 | Turbo blade fabrication hole blocks up ball erecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207058481U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631811A (en) * | 2019-08-23 | 2019-12-31 | 人本集团有限公司 | Device for assisting in positioning ball during detection |
| CN113927126A (en) * | 2021-12-17 | 2022-01-14 | 成都和鸿科技有限公司 | Tool for plugging blade fabrication hole and plugging method thereof |
-
2017
- 2017-07-27 CN CN201720917684.0U patent/CN207058481U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631811A (en) * | 2019-08-23 | 2019-12-31 | 人本集团有限公司 | Device for assisting in positioning ball during detection |
| CN113927126A (en) * | 2021-12-17 | 2022-01-14 | 成都和鸿科技有限公司 | Tool for plugging blade fabrication hole and plugging method thereof |
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