CN204735965U - Be used for lacing hole to add clamping apparatus - Google Patents
Be used for lacing hole to add clamping apparatus Download PDFInfo
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- CN204735965U CN204735965U CN201520517677.2U CN201520517677U CN204735965U CN 204735965 U CN204735965 U CN 204735965U CN 201520517677 U CN201520517677 U CN 201520517677U CN 204735965 U CN204735965 U CN 204735965U
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- blade
- lacing hole
- cushion block
- vice
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Abstract
The utility model provides a be used for lacing hole to add clamping apparatus, it relates to anchor clamps. The utility model provides a current blade lacing hole machining tool design complicated, the cost is higher and the clamping after the problem of poor stability of blade. The utility model discloses a bottom plate, inclination cushion, flat cushion and two machine vices, two machine vices are installed on the bottom plate, and the movable vice jaw's of two machine vices moving direction parallels, and solid dress is on the movable vice jaw and the body of the vice between the regular jaw of two machine vices respectively for the peaceful cushion of inclination cushion, and the upper surface of flat cushion is parallel with the horizontal direction, have an acute angle between the upper surface of inclination cushion and the horizontal direction, acute angle when acute angle and blade level are placed between blade radiant ray and the horizontal direction equals, is equipped with the locating pin on the inclination cushion, has a contained angle between the axis of locating pin and the inclination cushion upper surface, the contained angle is 89 5 /-90 5 /. The utility model is used for the processing of blade lacing hole.
Description
Technical field
The utility model relates to a kind of fixture, and particularly one is used for lacing hole clamp for machining.
Background technology
Blade is the critical component in steam turbine, is the heart of steam turbine, is responsible for steam thermal energy to be converted to mechanical energy, and a steam turbine has thousands of blades, and its quality directly affects operating efficiency and the reliability of steam turbine.By the difference of function, turbine blade can be divided into moving vane and stator blade, and moving vane is primarily of part compositions such as blade profile, blade root, integral shroud, lacing wires.Moving vane is mostly variable cross-section twisted blade, its blade profile is complicated curved surface profile, mainly be divided into several part such as inner arc, the back of the body arc, leading edge fillet, trailing edge fillet, blade root fillet, integral shroud fillet, lacing wire is through in the lacing hole in blade profile, for blade is connected in groups, to increase the rigidity of blade, improve its vibration characteristics.
The blade profile of lacing hole penetrating blade, because blade profile is complicated, blade profile is processed lacing hole difficulty comparatively greatly, needs to carry out firmly Set and Positioning to blade, to ensure the dimensional accuracy of lacing hole.Application number is that the utility model patent of 201220350921.7 (Authorization Notice No. CN202639925U) discloses a kind of machining blade lacing hole specific purpose tool, although achieve the Set and Positioning to blade, but this tool design is complicated, cost is higher, and this instrument places to realize the Set and Positioning to blade by the inner arc molded line curved surface of blade and the molded line curved surface of this instrument being coincide, there is mismachining tolerance in what be all difficult to avoid due to the inner arc molded line curved surface of blade and the molded line curved surface of this instrument, causes the poor stability of clamping rear blade.
Utility model content
Existing blade lacing hole machined tool design is complicated, cost is higher and the problem of the poor stability of clamping rear blade in order to solve for the utility model, provides a kind of for lacing hole clamp for machining.
The utility model in order to solve the problems of the technologies described above the technical scheme taked is: the utility model comprises base plate, gradient cushion block, Flat gasket and two machine vices, two machine vices are arranged on base plate, the moving direction of the moving jaw of two machine vices parallels, gradient cushion block is packed on the vice body between the moving jaw of one of them machine vice and regular jaw, Flat gasket is packed on the vice body between the moving jaw of another machine vice and regular jaw, the upper surface of Flat gasket and horizontal direction parallel, an acute angle is had between the upper surface of gradient cushion block and horizontal direction, acute angle when described acute angle and blade horizontal positioned between blade radial-line and horizontal direction is equal, gradient cushion block is provided with alignment pin, an angle is had between the axis of alignment pin and gradient cushion block upper surface, described angle is 89 ° 5 ' ~ 90 ° 5 '.
The beneficial effects of the utility model are:
1, the utility model is only made up of two machine vices, gradient cushion block, a Flat gasket and a base plate, and structural design is simple, is easy to realize, easy to use, with low cost;
2, the utility model is by carrying out Set and Positioning the blade root of blade and integral shroud place to blade, and can realize the firm clamping to blade, lacing hole adds the good stability of blade in man-hour, and the dimensional accuracy of lacing hole processing can reach 0.03mm, ensure that product quality;
3, after gradient cushion block of the present utility model can ensure that blade clamping is fixing, blade radial-line perpendicular to the boring direction of lacing hole, can very be convenient to the processing of lacing hole;
4, the utility model and lacing hole measurer are all be positioning datum with blade convexity, and ensure that the machining benchmark of lacing hole is consistent with measuring basis, the measurement result of lacing hole is more accurate.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model, and Fig. 2 is top view of the present utility model, and Fig. 3 is left view of the present utility model, and Fig. 4 is the front view of gradient cushion block; Fig. 5 is the top view of gradient cushion block; Fig. 6 is the front view of Flat gasket; Fig. 7 is the top view of Flat gasket.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1 to Fig. 7 illustrates present embodiment, the one of present embodiment is used for lacing hole clamp for machining and comprises base plate 10, gradient cushion block 1, Flat gasket 2 and two machine vices 3, two machine vices 3 are arranged on base plate 10, the moving direction of the moving jaw of two machine vices 3 parallels, gradient cushion block 1 is packed on the vice body between the moving jaw of one of them machine vice 3 and regular jaw, Flat gasket 2 is packed on the vice body between the moving jaw of another machine vice 3 and regular jaw, the upper surface of Flat gasket 2 and horizontal direction parallel, an acute angle theta is had between the upper surface of gradient cushion block 1 and horizontal direction, acute angles beta when described acute angle theta and blade horizontal positioned between blade radial-line and horizontal direction is equal, gradient cushion block 1 is provided with alignment pin 1-1, an angle α is had between the axis of alignment pin 1-1 and gradient cushion block 1 upper surface, described angle α is 89 ° 5 ' ~ 90 ° 5 '.
Detailed description of the invention two: composition graphs 1 illustrates present embodiment, the acute angle theta of present embodiment is 2 °.When design like this can ensure that blade is placed on the utility model, the radiation of blade is vertical with boring direction.Other composition and annexation identical with detailed description of the invention one.
Detailed description of the invention three: composition graphs 4 illustrates present embodiment, the angle α of present embodiment is 90 °.Design like this can make alignment pin 1-1 fully contact with blade root 7, ensures the firm Set and Positioning of blade.Other composition and annexation identical with detailed description of the invention one or two.
Detailed description of the invention four: composition graphs 4 illustrates present embodiment, the gradient cushion block 1 of present embodiment is provided with dowel hole, and alignment pin 1-1 is inserted in dowel hole.Meet design and use requirement.Other composition and annexation identical with detailed description of the invention three.
Detailed description of the invention five: composition graphs 1 to Fig. 5 illustrates present embodiment, the gradient cushion block 1 of present embodiment is packed on the vice body between the moving jaw of one of them machine vice 3 and regular jaw, it is fixedly mounted with mode: gradient cushion block 1 is provided with two screw 1-2, two the first bolts screw respectively in two screw 1-2, and gradient cushion block 1 is fixedly connected with by the vice body of two the first bolts with described machine vice 3.Meet design and use requirement.Other composition and annexation and detailed description of the invention one, two or four identical.
Detailed description of the invention six: composition graphs 1, Fig. 6 and Fig. 7 illustrate present embodiment, the Flat gasket 2 of present embodiment is packed on the vice body between the moving jaw of another machine vice 3 and regular jaw, it is fixedly mounted with mode: Flat gasket 2 is provided with two screw 2-1, two the second bolts screw respectively in two screw 2-1, and Flat gasket 2 is fixedly connected with by the vice body of two the second bolts with described machine vice 3.Meet design and use requirement.Other composition and annexation and detailed description of the invention one, two or four identical.
Operation principle:
One of the present utility model is used for lacing hole clamp for machining, base plate 10 is placed on milling machine workbench 4, during processing lacing hole 6, first blade 5 is emitted on boring direction, the blade root 7 of blade 5 is placed on the upper surface of gradient cushion block 1, and make one end of blade root 7 near alignment pin 1-1, the integral shroud 8 of blade 5 is placed on the upper surface of Flat gasket 2, clamp from the inlet, outlet side of blade 5 to the blade root 7 of blade 5 and integral shroud 8 finally by two machine vices 3, thus realize the firm Set and Positioning to blade.Because the upper surface of gradient cushion block 1 is equal with the acute angles beta between blade radial-line during blade 5 horizontal positioned and horizontal direction with the acute angle theta between horizontal direction, therefore when blade 5 clamping is on the utility model, blade radial-line is vertical with boring direction, be convenient to the processing of lacing hole like this, the utility model and lacing hole measurer are all with blade convexity 9 for positioning datum simultaneously, more accurate to the measurement result of lacing hole after lacing hole processing.
Claims (6)
1. for a lacing hole clamp for machining, it is characterized in that: it comprises base plate (10), gradient cushion block (1), Flat gasket (2) and two machine vices (3), two machine vices (3) are arranged on base plate (10), the moving direction of the moving jaw of two machine vices (3) is parallel, gradient cushion block (1) is packed on the vice body between the moving jaw of one of them machine vice (3) and regular jaw, Flat gasket (2) is packed on the vice body between the moving jaw of another machine vice (3) and regular jaw, the upper surface of Flat gasket (2) and horizontal direction parallel, an acute angle (θ) is had between the upper surface of gradient cushion block (1) and horizontal direction, acute angle (β) when described acute angle (θ) and blade horizontal positioned between blade radial-line and horizontal direction is equal, gradient cushion block (1) is provided with alignment pin (1-1), an angle (α) is had between the axis of alignment pin (1-1) and gradient cushion block (1) upper surface, described angle (α) is 89 ° 5 ' ~ 90 ° 5 '.
2. a kind of for lacing hole clamp for machining according to claim 1, it is characterized in that: acute angle (θ) is 2 °.
3. a kind of for lacing hole clamp for machining according to claim 1 or 2, it is characterized in that: angle (α) is 90 °.
4. a kind of for lacing hole clamp for machining according to claim 3, it is characterized in that, gradient cushion block (1) is provided with dowel hole, and alignment pin (1-1) is inserted in dowel hole.
5. a kind of for lacing hole clamp for machining according to claim 1,2 or 4, it is characterized in that: the mode that is fixedly mounted with that described gradient cushion block (1) is packed on the vice body between the moving jaw of one of them machine vice (3) and regular jaw is: gradient cushion block (1) is provided with two screws (1-2), two the first bolts screw respectively in two screws (1-2), and gradient cushion block (1) is fixedly connected with by the vice body of two the first bolts with described machine vice (3).
6. a kind of for lacing hole clamp for machining according to claim 1,2 or 4, it is characterized in that: the mode that is fixedly mounted with that described Flat gasket (2) is packed on the vice body between the moving jaw of another machine vice (3) and regular jaw is: Flat gasket (2) is provided with two screws (2-1), two the second bolts screw respectively in two screws (2-1), and Flat gasket (2) is fixedly connected with by the vice body of two the second bolts with described machine vice (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520517677.2U CN204735965U (en) | 2015-07-16 | 2015-07-16 | Be used for lacing hole to add clamping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520517677.2U CN204735965U (en) | 2015-07-16 | 2015-07-16 | Be used for lacing hole to add clamping apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204735965U true CN204735965U (en) | 2015-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520517677.2U Active CN204735965U (en) | 2015-07-16 | 2015-07-16 | Be used for lacing hole to add clamping apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN204735965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624851A (en) * | 2016-10-20 | 2017-05-10 | 成都久欣时代科技有限公司 | Tool clamp for blade drilling |
-
2015
- 2015-07-16 CN CN201520517677.2U patent/CN204735965U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624851A (en) * | 2016-10-20 | 2017-05-10 | 成都久欣时代科技有限公司 | Tool clamp for blade drilling |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |