CN217254646U

CN217254646U - Blade axis adjusting mechanism

Info

Publication number: CN217254646U
Application number: CN202220568536.3U
Authority: CN
Inventors: 鄢龙志; 代星; 陈科延; 谢磊; 狄忠; 王琰; 孟瑾; 浦栋麟
Original assignee: Jiangsu Jihui Huake Intelligent Equipment Technology Co ltd
Current assignee: Jiangsu Jihui Huake Intelligent Equipment Technology Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-08-23
Anticipated expiration: 2032-03-16

Abstract

The utility model relates to a blade axis adjusting mechanism, which comprises a tool, wherein the tool is provided with a blade clamping adjusting mechanism, the blade clamping adjusting mechanism comprises blade clamps, and the blade clamps are symmetrically arranged; the blade clamp comprises a clamp base, an adjusting stud is arranged in the clamp base in a rotating mode, a clamping jaw is installed in the clamp base in a sliding mode, and the adjusting stud is in threaded connection with the clamping jaw. The utility model has simple structure and small occupied space; when the blade is subjected to secondary clamping after stress release after rough machining, the clamp can be adjusted according to the actual deformation of the blade, and the blade is ensured to be in a clamp-prestress-free release state when being clamped again.

Description

Blade axis adjusting mechanism

Technical Field

The utility model belongs to the technical field of the blade processing, a blade axis guiding mechanism is related to.

Background

After the thin-wall blade is subjected to numerical control milling processing, because the residual stress is released unevenly, after the tip shroud end is dismounted and clamped, the internal residual stress is redistributed to achieve new balance, so that the thin-wall blade is subjected to obvious deformation such as bending, twisting or bending-twisting combination after being processed. In order to reduce the deformation, the clamping state after rough machining can be readjusted, so that the blade is in a free state with stress fully released before semi-finishing or finishing.

And after the rough machining of the blade, if the original position of the blade shroud end clamp is still kept for clamping, the blade can be clamped and bent again, secondary deformation is generated, and the deformation is enlarged.

Disclosure of Invention

An object of the utility model is to provide a blade axis guiding mechanism can solve the blade and press from both sides curved, produces the secondary deformation, the problem that the deflection will enlarge.

According to the utility model provides a technical scheme: a blade axis adjusting mechanism comprises a tool, wherein a blade clamping adjusting mechanism is arranged on the tool and comprises blade clamps, and the blade clamps are symmetrically arranged; the blade clamp comprises a clamp base, an adjusting stud is arranged in the clamp base in a rotating mode, a clamping jaw is installed in the clamp base in a sliding mode, and the adjusting stud is in threaded connection with the clamping jaw.

As a further improvement of the utility model, the lower part of the clamp base is provided with a containing cavity, the containing cavity is of an open structure, and the lower parts of the clamping jaw, the clamping jaw and the adjusting stud are positioned in the containing cavity.

As a further improvement of the utility model, the clamping jaw slides in holding the chamber, and the direction of sliding is parallel with the adjusting stud axis.

As a further improvement of the utility model, the outside of the clamping jaw is a clamping jaw face which is an inclined plane.

As a further improvement of the utility model, the clamping jaw surface is provided with clamping lines.

As a further improvement of the utility model, a limiting mechanism is arranged between the clamp base and the adjusting stud, the limiting mechanism comprises an upper limiting block and a lower limiting block, the upper part of the clamp base is provided with a limiting cavity, the periphery of the middle section of the upper part of the adjusting stud is provided with a limiting ring, the limiting ring is positioned in the limiting cavity, the upper part of the limiting cavity is provided with a cover plate, the upper limiting block is positioned between the cover plate and the upper end surface of the limiting ring, and the lower limiting block is positioned between the lower end surface of the limiting ring and the bottom of the limiting cavity; limiting holes are formed in the upper limiting block and the lower limiting block, and the upper section and the lower section of the upper part of the adjusting stud are positioned in the limiting holes; the top end of the adjusting stud extends out of the cover plate.

As a further improvement, the adjusting stud top end mounting shifting piece is arranged.

As a further improvement, the tool is a chuck, and the clamp base is arranged on the chuck jaw.

As a further improvement of the utility model, the clamping jaw inner side is provided with the clamping jaw screw.

As a further improvement, the upper limit block, the lower limit block and the limit cavity are in interference fit.

The positive progress effect of this application lies in:

1. the utility model has simple structure and small occupied space; when the blade is subjected to secondary clamping after stress release after rough machining, the clamp can be adjusted according to the actual deformation of the blade, and the blade is ensured to be in a clamp-prestress-free release state when being clamped again.

2. The utility model discloses can reduce because of the uneven blade deformation that arouses of residual stress release.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a structural diagram of the unassembled claw of the present invention.

Fig. 4 is a schematic view of the clamping before processing of the present invention.

Fig. 5 is a schematic view of the clamp after machining.

Fig. 6 is a schematic diagram of the clamp according to the present invention after adjustment.

Fig. 7 is a schematic view of the installation of the clamp of the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, "including" and "having," and like terms, mean that "including" and "having," in addition to those already recited in "including" and "having," other content not already recited in the list; for example, a process, method, system, article, or apparatus that may comprise a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus.

In fig. 1-7, the clamping device comprises a clamping jaw 1, a clamp base 2, a cover plate 3, a shifting piece 4, an upper limiting block 501, a lower limiting block 502, an adjusting stud 6, a tool 7, a blade 8 and the like.

As shown in fig. 1-3, the utility model relates to a blade axis guiding mechanism, including frock 7, be equipped with blade clamping adjusting mechanism on the frock 7, blade clamping adjusting mechanism includes the blade anchor clamps, and the blade anchor clamps are the symmetry and set up.

The blade clamp comprises a clamp base 2, an adjusting stud 6 is arranged in the clamp base 2 in a rotating mode, a clamping jaw 1 is installed in the clamp base 2 in a sliding mode, and the adjusting stud 6 is in threaded connection with the clamping jaw 1.

An accommodating cavity is formed in the lower portion of the clamp base 2, the accommodating cavity is of an open structure, and the inner end of the clamping jaw 1 and the lower portion of the adjusting stud 6 are located in the accommodating cavity.

The clamping jaw 1 slides in the accommodating cavity in a direction parallel to the axis of the adjusting stud 6.

The outer side of the clamping jaw 1 is a clamping jaw surface which is used for clamping the technical end 801 of the blade 8, and the clamping jaw surface is an inclined surface which can push the blade 8 to radially displace; the inner side of the clamping jaw 1 is provided with a clamping jaw screw hole for being in threaded connection with the lower part of the adjusting stud 6.

The clamping jaw surface is provided with clamping lines, so that the clamping is more stable.

A limiting mechanism is arranged between the clamp base 2 and the adjusting stud 6 and prevents the adjusting stud 6 from moving. The limiting mechanism comprises an upper limiting block 501 and a lower limiting block 502, a limiting cavity is arranged at the upper part of the clamp base 2, a limiting ring is arranged on the periphery of the middle section of the upper part of the adjusting stud 6 and is positioned in the limiting cavity, a cover plate 3 is arranged at the upper part of the limiting cavity, the upper limiting block 501 is positioned between the cover plate 3 and the upper end surface of the limiting ring, the lower limiting block 502 is positioned between the lower end surface of the limiting ring and the bottom of the limiting cavity, and the adjusting stud 6 is limited to move along the axis; limiting holes are formed in the upper limiting block 501 and the lower limiting block 502, the upper and lower sections of the upper portion of the adjusting stud 6 are located in the limiting holes, and the adjusting stud 6 is limited from moving left and right. The top end of the adjusting stud 6 extends out of the cover plate 3.

In order to facilitate the rotation of the adjusting stud 6, the top end of the adjusting stud 6 is provided with a shifting piece 4.

The upper limiting block 501 and the lower limiting block 502 are in interference fit with the limiting cavity.

As shown in fig. 7, in the present embodiment, the tool 7 is a chuck, and the jig base 2 is mounted on chuck jaws. The distance between the clamping jaws 1 on the two sides is adjusted through the clamping jaws of the clamping chuck, so that the technical end 801 of the blade 8 is clamped.

In order to facilitate the rotation of the shifting sheet 4 and drive the adjusting stud 6 to rotate, an eccentric shifting hole 4-1 is drilled at the upper part of the shifting sheet 4.

An eccentric shifting rod is arranged on a machine tool main shaft, the eccentric shifting rod extends out of an eccentric shifting hole 4-1, the machine tool main shaft drives a shifting piece 4 to rotate through the eccentric shifting rod, and an adjusting stud 6 rotates to realize the movement of a clamping jaw 1.

The utility model discloses a working process as follows:

as shown in FIG. 4, before the blade 8 is processed, one end of the blade 8 is fixedly clamped, the other end of the blade 8 is clamped by the mechanism, the process end 801 of the blade 8 is clamped by the clamping jaws 1 on the two sides, and the jaw surfaces of the clamping jaws 1 are parallel to the axis of the blade 8.

As shown in fig. 5, after the blade 8 is roughly machined, on-line measurement is performed, and the amount of deformation of the blade 8 due to internal residual stress and the amount of error (including the amount of rotation and the amount of movement) generated during machining can be adjusted by the machine tool itself, while the amount of movement can be adjusted by the mechanism; the amount of movement of the clamping jaws at the two sides is adjusted by rotating the number of turns of the plectrum 4 (the number of turns of the plectrum 4 can be obtained by converting the size of the deformation measured by online measurement), the clamping jaws at the two sides keep clamping the blade 8, and simultaneously, the radial position of one side of the blade 8 is finely adjusted by clamping the inclined plane, so that the blade 8 returns to the theoretical machining position, as shown in fig. 6, the dotted line shows the theoretical position of the blade 8, and the solid line shows the actual position of the blade 8.

It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims

1. The blade axis adjusting mechanism is characterized by comprising a tool (7), wherein a blade clamping adjusting mechanism is arranged on the tool (7), the blade clamping adjusting mechanism comprises blade clamps, and the blade clamps are symmetrically arranged; the blade clamp comprises a clamp base (2), an adjusting stud (6) is arranged in the clamp base (2) in a rotating mode, a clamping jaw (1) is installed in the clamp base (2) in a sliding mode, and the adjusting stud (6) is in threaded connection with the clamping jaw (1).

2. The blade axis adjusting mechanism as claimed in claim 1, wherein the lower part of the clamp base (2) is provided with a containing cavity, the containing cavity is of an open structure, and the inner end of the clamping jaw (1) and the lower part of the adjusting stud (6) are positioned in the containing cavity.

3. The blade axis adjustment mechanism of claim 2, characterized in that the clamping jaw (1) slides in the receiving cavity in a direction parallel to the axis of the adjusting stud (6).

4. Blade axis adjustment mechanism according to claim 1, characterized in that the outside of the clamping jaw (1) is a clamping jaw face, which is a bevel.

5. The blade axis adjustment mechanism of claim 1 wherein the jaw face is textured.

6. The blade axis adjusting mechanism of claim 1, wherein a limiting mechanism is arranged between the clamp base (2) and the adjusting stud (6), the limiting mechanism comprises an upper limiting block (501) and a lower limiting block (502), a limiting cavity is arranged at the upper part of the clamp base (2), a limiting ring is arranged at the periphery of the middle section of the upper part of the adjusting stud (6), the limiting ring is positioned in the limiting cavity, a cover plate (3) is arranged at the upper part of the limiting cavity, the upper limiting block (501) is positioned between the cover plate (3) and the upper end surface of the limiting ring, and the lower limiting block (502) is positioned between the lower end surface of the limiting ring and the bottom of the limiting cavity; limiting holes are formed in the upper limiting block (501) and the lower limiting block (502), and the upper section and the lower section of the upper part of the adjusting stud (6) are positioned in the limiting holes; the top end of the adjusting stud (6) extends out of the cover plate (3).

7. The vane axis adjustment mechanism according to claim 6, characterized in that the adjusting stud (6) is provided with a pick (4) at the top.

8. Blade axis adjustment mechanism according to claim 1, characterized in that the tool (7) is a chuck, and the clamp base (2) is mounted on the chuck jaws.

9. Blade axis adjustment mechanism according to claim 1, characterized in that the inside of the clamping jaw (1) is provided with a clamping jaw screw hole.

10. The vane axis adjustment mechanism of claim 5, wherein the upper limiting block (501) and the lower limiting block (502) are in interference fit with the limiting cavity.