CN216706897U - Clamping tool for milling key groove of aircraft fan turntable - Google Patents
Clamping tool for milling key groove of aircraft fan turntable Download PDFInfo
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- CN216706897U CN216706897U CN202220241764.XU CN202220241764U CN216706897U CN 216706897 U CN216706897 U CN 216706897U CN 202220241764 U CN202220241764 U CN 202220241764U CN 216706897 U CN216706897 U CN 216706897U
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Abstract
The utility model discloses a clamping tool for milling a key groove of a fan turntable of an airplane, which comprises the fan turntable, a telescopic cylinder, a telescopic pull rod, a tool main body, a rack and an indexing turntable, wherein the fan turntable is arranged on the tool main body, the telescopic pull rod is fixedly arranged on the telescopic cylinder, the tool main body comprises a base body and a clamping piece, the telescopic cylinder is fixedly arranged on the base body, the clamping piece comprises a fixed part and a plurality of elastic parts, the elastic parts are positioned above the fixed part, the indexing turntable is rotatably arranged on the rack, and the base body is arranged on the indexing turntable. According to the utility model, the fan rotating disc is arranged on the tool main body, the telescopic cylinder contracts and drives the telescopic pull rod to move downwards, so that the fan rotating disc is tensioned and fixed, and the clamping of the fan rotating disc can be automatically positioned by the tensioning fixing mode of the elastic part from inside to outside so as to ensure the processing precision of the fan rotating disc, secondary clamping is not required, the flexibility is higher, and the precision of milling key grooves is greatly improved.
Description
Technical Field
The utility model relates to the technical field of milling machine equipment, in particular to a clamping tool for milling a key groove of a fan turntable of an airplane.
Background
The Numerical control milling machine is also called CNC (computer Numerical control) milling machine.
The clamping tool of the traditional numerical control milling machine generally clamps and fixes a workpiece in modes of clamping jaw extrusion, pressing and the like, and because the aircraft fan turntable is a special high-precision workpiece, the common clamping tool cannot well guarantee the precision control of the aircraft fan turntable during machining, the flexibility of the traditional clamping tool is not enough, the keyway machining of one turntable can be completed only by carrying out transposition clamping on the aircraft fan turntable, and the machining precision of a keyway is low.
Therefore, it is necessary to provide a clamping tool for milling a key groove of an aircraft fan turntable, which solves the above problems.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a clamping tool for milling a key groove of a fan turntable of an airplane.
The technical scheme is as follows:
the utility model provides a press from both sides tight frock for milling keyway of aircraft fan carousel, includes fan carousel, telescopic cylinder, flexible pull rod, frock main part, frame, graduation carousel, the fan carousel is installed in the frock main part, flexible pull rod fixed mounting is on telescopic cylinder, the frock main part is including base member, clamping piece and base member formula structure as an organic whole, the clamping piece is for the base member protrusion, telescopic cylinder fixed mounting is on the base member, the clamping piece is including fixed part and a plurality of elasticity portion, fixed part and elasticity portion formula structure as an organic whole, the elasticity position is in the top of fixed part, the polylith the elasticity portion is circumference and sets up on the fixed part discontinuously, graduation carousel rotary mounting is in the frame, the base member is installed on the graduation carousel.
The fan turntable comprises a first installation part and a second installation part, the first installation part is installed on the base body, and the position of the second installation part corresponds to the position of the clamping piece.
During the assembly, assemble the first installation department with the fan carousel on the base member, install the second installation department on the clamping piece, just can install the fan carousel on the frock main part.
The section of the base body in the horizontal direction is of an annular structure; the cross section of the fixing part in the horizontal direction is of an annular structure.
The setting of base member, fixed part loop configuration for expand to strut fan carousel when tight more stable at the elastic component.
The indexing turntable and the tool main body are coaxially arranged, and the tool main body and the fan turntable are coaxially arranged.
When the indexing turntable rotates, the coaxial arrangement can ensure that the tool main body and the fan turntable do not deviate in the rotating process, and the precision of the key groove of the milling fan turntable is further improved.
The elastic part is provided with a positioning block which is used for playing a role in stabilizing the elastic part when the elastic part is tensioned, the positioning block is raised relative to the elastic part, and a through hole used for increasing the elasticity of the elastic part is formed in the joint of the elastic part and the fixing part.
When the elastic part is used for tensioning and fixing the fan rotating disc, the positioning block can also be used for propping against the second installation part so as to play a stable role between the elastic part and the fan rotating disc.
The telescopic pull rod is provided with a first inclined plane, the elastic part is provided with a second inclined plane, the first inclined plane is in contact fit with the second inclined plane, and the inclined directions of the first inclined plane and the second inclined plane are consistent.
The arrangement of the first inclined plane and the second inclined plane can guide the telescopic pull rod to move downwards more smoothly under the driving of the telescopic cylinder, and then the elastic part is tensioned to prop open the fan turntable.
The indexing turntable is provided with mounting grooves which are circumferentially and discontinuously arranged on the indexing turntable.
The clamping tool for milling the key groove of the aircraft fan turntable further comprises a T-shaped nut, and the base body is fixedly mounted on the indexing turntable through the T-shaped nut.
The base body is stably fixed on the indexing turntable by fixing the T-shaped nut on the mounting groove.
The mounting groove is T type groove, T type groove cross-section in vertical direction is the type of falling T, T type nut inlays and installs on T type groove.
Compared with the prior art, the technical scheme of the utility model has the beneficial effects that:
when a key groove of a fan turntable of an airplane is milled, the fan turntable is installed on a tool main body, a telescopic cylinder contracts and drives a telescopic pull rod to move downwards, a clamping piece protrudes relative to a base body, the telescopic pull rod moves downwards and simultaneously outwards expands elastic parts arranged on the circumference, so that the interval between every two adjacent elastic parts is increased, the fan turntable is tensioned and fixed, the elastic parts can automatically position the clamping of the fan turntable in a tensioning and fixing mode from inside to outside so as to ensure the machining precision of the fan turntable, after the fixing is completed, an indexing turntable rotates according to the setting of a system and pauses every 20 degrees so as to facilitate the milling of the key groove of the fan turntable until the machining of the fan turntable is completed, secondary clamping is not needed, the flexibility is high, and the precision of key groove milling is greatly improved;
because fixed part and elastic component formula structure as an organic whole, the elastic component accomplishes along with the upward movement of telescopic pull rod and resets after the keyway has been milled.
Drawings
FIG. 1 is a schematic physical structure diagram of a clamping tool for milling a keyway of an aircraft fan rotor according to an embodiment of the utility model;
FIG. 2 is an exploded view of a clamping tool for milling a keyway of an aircraft fan rotor in an embodiment of the utility model;
FIG. 3 is a cross-sectional view of a clamping tool for milling a keyway of an aircraft fan rotor in an embodiment of the utility model;
FIG. 4 is a diagram illustrating a state in which the resilient portion is not tensioned to support the fan turntable according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating a state of the elastic portion when the elastic portion is tightened to support the fan turntable according to an embodiment of the present invention;
FIG. 6 is a front view of a tool body in an embodiment of the utility model;
FIG. 7 is a partial cross-sectional view of a tool body in an embodiment of the utility model;
FIG. 8 is a cross-sectional view of a telescoping pull rod in an embodiment of the utility model;
description of reference numerals:
10. fan turntable, 11, first installation part, 12, second installation part, 20, telescopic cylinder, 30, telescopic pull rod, 40, tool main body, 41, base body, 42, clamping piece, 43, fixed part, 44, elastic part, 45, locating block, 46, through hole, 50, frame, 60, indexing turntable, 61, installation groove, 71, first inclined plane, 72, second inclined plane, 80, T-shaped nut.
Detailed Description
The following provides a detailed description of embodiments of the utility model.
As shown in fig. 1 to 8, a clamping tool for milling a keyway of an aircraft fan turntable comprises a fan turntable 10, a telescopic cylinder 20, a telescopic pull rod 30 and a tool main body 40, frame 50, indexing table 60, fan carousel 10 installs on frock main part 40, telescopic pull rod 30 fixed mounting is on telescopic cylinder 20, frock main part 40 is including base member 41, clamping piece 42 and base member 41 formula structure as an organic whole, clamping piece 42 is for base member 41 protrusion, telescopic cylinder 20 fixed mounting is on base member 41, clamping piece 42 is including fixed part 43, and a plurality of elastic component 44, fixed part 43 and elastic component 44 formula structure as an organic whole, elastic component 44 is located the top of fixed part 43, polylith elastic component 44 is circumference and sets up on fixed part 43 discontinuously, indexing table 60 rotary mounting is on frame 50, base member 41 installs on indexing table 60.
Referring to fig. 2 and 3, the clamping tool for milling the key slot of the aircraft fan turntable further includes a T-shaped nut 80, and the base 41 is fixedly mounted on the indexing turntable 60 through the T-shaped nut 80; referring to fig. 2 and 3, the mounting groove 61 is a T-shaped groove, the cross section of the T-shaped groove in the vertical direction is in an inverted T shape, and the T-shaped nut 80 is embedded and mounted on the T-shaped groove.
Referring to fig. 3, the fan turntable 10 includes a first mounting portion 11 and a second mounting portion 12, the first mounting portion 11 is mounted on the base 41, and the position of the second mounting portion 12 corresponds to the position of the clamping member 42.
With continued reference to fig. 2, the cross-section of the substrate 41 in the horizontal direction is a ring-shaped structure; the fixing portion 43 has a ring-shaped configuration in a cross section in the horizontal direction.
Referring to fig. 2 and 3, the indexing turntable 60 is disposed coaxially with the tool main body 40, and the tool main body 40 is disposed coaxially with the fan turntable 10.
Referring to fig. 2, the index dial 60 is provided with mounting grooves 61, and the mounting grooves 61 are circumferentially and intermittently disposed on the index dial 60.
Referring to fig. 4 to 8, the telescopic rod 30 has a first inclined surface 71, the elastic portion 44 has a second inclined surface 72, the first inclined surface 71 is in contact with the second inclined surface 72, and the first inclined surface 71 and the second inclined surface 72 have the same inclined direction.
Referring to fig. 2, 3, 6 and 7, the elastic portion 44 is provided with a positioning block 45 for stabilizing the elastic portion 44 when the elastic portion 44 is tensioned, the positioning block 45 protrudes relative to the elastic portion 44, and a through hole 46 for increasing the elasticity of the elastic portion 44 is formed at a connection position of the elastic portion 44 and the fixing portion 43.
The embodiment has the following advantages:
1. when a key groove of an airplane fan turntable is milled, the fan turntable 10 is installed on a tool main body 40, a telescopic cylinder 20 contracts and drives a telescopic pull rod 30 to move downwards, a clamping piece 42 protrudes relative to a base body 41, the telescopic pull rod 30 moves downwards and simultaneously outwards props open elastic parts 44 arranged on the circumference, so that the interval between every two adjacent elastic parts 44 is enlarged, the fan turntable 10 is tensioned and fixed, the elastic parts 44 can automatically clamp the fan turntable 10 to be positioned in a tensioning and fixing mode from inside to outside so as to ensure the machining precision of the fan turntable, after the fixing is completed, an indexing turntable 60 rotates according to the setting of a system and pauses every 20 degrees so as to mill the key groove of the fan turntable 10 until the fan turntable 10 is machined, secondary clamping is not needed, the flexibility is high, and the key groove milling precision is greatly improved;
because the fixing portion 43 and the elastic portion 44 are of an integrated structure, the elastic portion 44 completes the reset along with the upward movement of the telescopic rod 30 after the key slot is milled.
2. During assembly, the fan reel 10 can be mounted on the tool body 40 by mounting the first mounting portion 11 of the fan reel 10 on the base 41 and mounting the second mounting portion 12 on the clamping member 42.
3. The annular structure of the base body 41 and the fixing portion 43 makes the fan turntable 10 more stable when the elastic portion 44 expands and expands to tighten.
4. When the indexing turntable 60 rotates, the tool main body 40 and the fan turntable 10 are coaxially arranged, so that deviation cannot occur in the rotating process, and the precision of the key groove of the fan turntable 10 is further improved.
5. When the elastic part 44 is used for tensioning and fixing the fan turntable 10, the positioning block 45 can also be used for supporting the second mounting part 12 so as to play a stabilizing role between the elastic part 44 and the fan turntable 10.
6. The first inclined surface 71 and the second inclined surface 72 are arranged to guide the telescopic rod 30 to move downwards more smoothly under the driving of the telescopic cylinder 20, so that the elastic part 44 is tensioned to expand the fan turntable 10.
7. The base body 41 is stably fixed to the index dial 60 by being fixed to the mounting groove 61 by the T-nut 80.
The above are merely specific embodiments of the present invention, and the scope of the present invention is not limited thereby; any alterations and modifications without departing from the spirit of the utility model are within the scope of the utility model.
Claims (9)
1. A clamping tool for milling a key groove of a fan turntable of an airplane comprises a fan turntable, a telescopic cylinder, a telescopic pull rod and a tool main body;
the fan rotary table is arranged on the tool main body, and the telescopic pull rod is fixedly arranged on the telescopic cylinder;
the tool main body comprises a base body and a clamping piece, the clamping piece and the base body are of an integrated structure, the clamping piece protrudes relative to the base body, and the telescopic cylinder is fixedly installed on the base body;
the clamping piece comprises a fixed part and a plurality of elastic parts, the fixed part and the elastic parts are of an integrated structure, the elastic parts are positioned above the fixed part, and the elastic parts are circumferentially and discontinuously arranged on the fixed part;
the rotary table is characterized by further comprising a machine frame and an indexing rotary table, wherein the indexing rotary table is rotatably arranged on the machine frame, and the base body is arranged on the indexing rotary table.
2. The clamping tool for milling the keyway of the aircraft fan rotor as defined in claim 1, wherein the fan rotor comprises a first mounting portion and a second mounting portion, the first mounting portion is mounted on the base, and the second mounting portion is located at a position corresponding to the clamping member.
3. The clamping tool for milling a keyway of an aircraft fan rotor as set forth in claim 1, wherein the cross-section of the base in the horizontal direction is an annular structure; the cross section of the fixing part in the horizontal direction is of an annular structure.
4. The clamping tool for milling a keyway of an aircraft fan rotor of claim 2, wherein the indexing rotor is coaxially disposed with the tool body, and the tool body is coaxially disposed with the fan rotor.
5. The clamping tool for milling a keyway of a fan rotor of an aircraft according to any one of claims 1 to 4, wherein the resilient portion is provided with a locating block for stabilizing the resilient portion when the resilient portion is tensioned, the locating block is raised relative to the resilient portion, and a through hole for increasing the resilience of the resilient portion is provided at a connection between the resilient portion and the fixed portion.
6. The clamping tool for milling a keyway of an aircraft fan rotor as defined in claim 5, wherein the telescopic pull rod is provided with a first inclined surface, the elastic portion is provided with a second inclined surface, the first inclined surface and the second inclined surface are in contact fit, and the first inclined surface and the second inclined surface are in the same inclined direction.
7. The clamping fixture for milling a keyway of an aircraft fan rotor according to any one of claims 1 to 4, wherein the indexing rotor is provided with mounting slots arranged circumferentially and intermittently on the indexing rotor.
8. The clamping fixture for milling a keyway in an aircraft fan rotor of claim 7, further comprising a T-nut by which the base is fixedly secured to the indexing rotor.
9. The clamping tool for milling the key groove of the aircraft fan turntable as claimed in claim 8, wherein the mounting groove is a T-shaped groove, the section of the T-shaped groove in the vertical direction is in an inverted T shape, and the T-shaped nut is mounted on the T-shaped groove in an embedded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220241764.XU CN216706897U (en) | 2022-01-28 | 2022-01-28 | Clamping tool for milling key groove of aircraft fan turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220241764.XU CN216706897U (en) | 2022-01-28 | 2022-01-28 | Clamping tool for milling key groove of aircraft fan turntable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216706897U true CN216706897U (en) | 2022-06-10 |
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ID=81872796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220241764.XU Active CN216706897U (en) | 2022-01-28 | 2022-01-28 | Clamping tool for milling key groove of aircraft fan turntable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216706897U (en) |
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2022
- 2022-01-28 CN CN202220241764.XU patent/CN216706897U/en active Active
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