Work fixture for positioning turbine tile

Abstract

The utility model discloses a turbine tile positioning work fixture which comprises a bottom plate, a first fixing piece and second fixing pieces are arranged on the bottom plate, the first fixing piece is of a rotary body structure, the first fixing piece and the bottom plate are concentric, the second fixing pieces are of a block-shaped structure, and the second fixing pieces are distributed on the bottom plate in a circumferential array mode. The first fixing piece and the second fixing piece are connected with the bottom plate through bolts, the turbine tile is located between the first fixing piece and the second fixing piece, and the part is fixed through the first fixing piece and the second fixing piece. According to the tool clamp for positioning the turbine tile, the inner wall and the outer wall of a part are fixed in an abutting mode through the first fixing piece and the second fixing piece, and therefore the part is evenly stressed when clamped. And therefore, the damage to the part caused by the clamping of the clamp in the production and machining process is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of parts fixture equipment, and in particular relates to a fixture for positioning turbine tiles. Background Art

[0002] In the production process of gas turbine turbine equipment, turbine blades are important parts. They are made of high-temperature alloys. Turbine blades are located near the nozzle of the gas turbine, and the stability of the gas turbine is relatively high. In the production and processing of turbine blades, it is often necessary to clamp and position the turbine blades. The existing positioning fixture of turbine blades is to clamp a single blade through the existing claw equipment, and then carry out subsequent production and processing. The existing clamping operation of a single turbine blade has low production efficiency and cannot meet the requirements of mass production.

[0003] The outer surface of the existing turbine blade has a concave structure. When the existing clamp is clamped, the outer surface of the part is subjected to uneven force, which is prone to shaking, etc., ultimately resulting in poor precision of the part during production and processing. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned problem and provide a positioning fixture which can position the inside and outside of a turbine blade and has good clamping effect and uniform clamping force.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a tooling fixture for positioning turbine blades, comprising a base plate, on which a first fixing member and a second fixing member are provided, the first fixing member is a rotating body structure, the first fixing member is concentric with the base plate, the second fixing member is a block structure, and the second fixing member is distributed in a circular array on the base plate; the first fixing member and the second fixing member are both connected to the base plate by bolts, the turbine blade is located between the first fixing member and the second fixing member, and the parts are fixed by the first fixing member and the second fixing member.

[0006] Preferably, the bottom plate is a hollow rotating body structure, and a first bottom plate groove and a second bottom plate groove are respectively provided on the bottom plate, and the first bottom plate groove and the second bottom plate groove are both annular structures and concentric.

[0007] Preferably, the first through hole in the first groove of the bottom plate and the second through hole in the first groove of the bottom plate are provided in the first groove of the bottom plate. The first through hole in the first groove of the bottom plate is a countersunk hole structure. The two second through holes in the first groove of the bottom plate are a group distributed on both sides of the first through hole in the first groove of the bottom plate. The first through holes in the first groove of the bottom plate are distributed in a circular array in the first groove of the bottom plate.

[0008] Preferably, the bottom of the bottom plate is concave to form a bottom groove of the bottom plate, the cross-section of the bottom groove of the bottom plate is trapezoidal, and the bottom grooves of the bottom plate are distributed in a circular array.

[0009] Preferably, the outer circumferential surface of the bottom plate is provided with bottom plate circumferential surface positioning holes, and the number of the bottom plate circumferential surface positioning holes is four and they are symmetrically arranged.

[0010] Preferably, the first fixing member is a circular ring structure, the end face of the first fixing member is concave to form a first fixing member groove, a first fixing member groove through hole is provided in the first fixing member groove, a first fixing member through hole is provided between two adjacent first fixing member grooves, the two adjacent first fixing member grooves and the first fixing member through hole constitute a first fixing member positioning group, and the first fixing member positioning group is arranged in a circular array.

[0011] Preferably, the second fixing member is a block structure, the cross section of the second fixing member is a trapezoid, the second fixing member is provided with a second fixing member through hole, and the second fixing member through hole is a countersunk hole structure.

[0012] Preferably, a second fixing member platform is provided at the end of the second fixing member, the height of the second fixing member platform is lower than the top height of the second fixing member, and the second fixing member platform abuts against the part.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model provides a fixture for positioning turbine tiles, which abuts and fixes the inner and outer walls of the turbine tiles through the first fixing member and the second fixing member, so that the turbine tiles are evenly stressed during clamping, thereby avoiding damage to the turbine tiles during the production and processing due to the clamping of the fixture.

[0015] 2. The utility model enables the end of the second fixing member to extend into the turbine tile with a groove on the outer surface, so as to achieve more stable clamping and positioning of the turbine tile, so that the force on the turbine tile is more uniform, thereby ensuring the processing accuracy of the turbine tile. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a fixture for positioning turbine tiles in the utility model;

[0017] Figure 2 It is a structural schematic diagram of the bottom plate of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the bottom of the bottom plate of the utility model;

[0019] Figure 4 It is a front view of the first fixing member of the utility model;

[0020] Figure 5 It is a lateral structural schematic diagram of the first fixing member of the utility model;

[0021] Figure 6It is a structural schematic diagram of the second fixing member of the utility model;

[0022] Figure 7 It is a lateral structural schematic diagram of the second fixing member of the utility model.

[0023] Explanation of the reference numerals: 1, bottom plate; 2, first fixing member; 3, second fixing member; 11, first groove of bottom plate; 12, second groove of bottom plate; 13, bottom groove of bottom plate; 14, positioning hole on the peripheral surface of bottom plate; 21, groove of first fixing member; 22, through hole of first fixing member; 31, through hole of second fixing member; 32, platform of second fixing member; 111, first through hole of first groove of bottom plate; 112, second through hole of first groove of bottom plate; 121, through hole of second groove of bottom plate; 211, through hole of groove of first fixing member. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0025] like Figures 1 to 7 As shown, the utility model provides a turbine tile positioning fixture, including a base plate 1, a first fixing member 2 and a second fixing member 3 are arranged on the base plate, the first fixing member 2 is a rotating body structure, the first fixing member 2 is concentric with the base plate 1, the second fixing member 3 is a block structure, and the second fixing member 3 is distributed on the base plate in a circular array. The first fixing member 2 and the second fixing member 3 are both connected to the base plate 1 by bolts, the turbine tile is located between the first fixing member 2 and the second fixing member 3, and the parts are fixed by the first fixing member 2 and the second fixing member 3.

[0026] like Figure 2 and Figure 3 As shown, the bottom plate 1 is a hollow rotating body structure, and a first bottom plate groove 11 and a second bottom plate groove 12 are respectively provided on the bottom plate 1. The first bottom plate groove 11 and the second bottom plate groove 12 are both annular structures and concentric.

[0027] The first groove 11 of the bottom plate is located inside the second groove 12 of the bottom plate, that is, the diameter of the first groove 11 of the bottom plate is smaller than the diameter of the second groove 12 of the bottom plate.

[0028] A first through hole 111 and a second through hole 112 are provided in the first groove 11 of the bottom plate. The first through hole 111 of the bottom plate is a countersunk hole structure. The two second through holes 112 of the first groove of the bottom plate are distributed as a group on both sides of the first through hole 111 of the first groove of the bottom plate. The first through holes 111 of the first groove of the bottom plate are distributed in a circular array in the first groove 11 of the bottom plate.

[0029] The first through holes 111 in the first groove of the bottom plate and the second through holes 112 in the first groove of the bottom plate are both distributed in a circumferential array on the bottom plate 1. The number of the first through holes 111 in the first groove of the bottom plate is less than the number of the second through holes 112 in the first groove of the bottom plate.

[0030] The second bottom plate groove 12 is provided with second bottom plate groove through holes 121 , and the second bottom plate groove through holes 121 are distributed in a circular array in the second bottom plate groove 12 .

[0031] The bottom of the bottom plate 1 is concave to form a bottom groove 13 of the bottom plate. The cross section of the bottom groove 13 of the bottom plate is trapezoidal, and the bottom grooves 13 of the bottom plate are distributed in a circular array.

[0032] The outer circumference of the bottom plate 1 is provided with bottom plate circumference positioning holes 14, and the number of the bottom plate circumference positioning holes 14 is four and symmetrically arranged. When in use, the external existing fixing society or connecting device extends into the bottom plate circumference positioning holes 14, thereby completing the fixing of the bottom plate 1.

[0033] like Figure 4 and Figure 5 As shown, the first fixing member 2 is a circular ring structure, and the end surface of the first fixing member 2 is concave to form a first fixing member groove 21, and a first fixing member groove through hole 211 is provided in the first fixing member groove 21, and a first fixing member through hole 22 is provided between two adjacent first fixing member grooves 21, and two adjacent first fixing member grooves 21 and the first fixing member through hole 22 constitute a first fixing member positioning group, and the first fixing member positioning group is arranged in a circular array.

[0034] A plurality of turbine blades are distributed on the outer surface of the first fixing member 2. The curvature of the first fixing member 2 is the same as that of the turbine blades. Therefore, the first fixing member 2 can abut and position the interior of the plurality of turbine blades.

[0035] The bolt connecting the first fixing member 2 and the base plate 1 is a hexagon socket screw structure. The hexagon socket screw passes through the first fixing member groove through hole 211 and cooperates with the first groove second through hole 112 of the base plate. The first groove second through hole 112 of the base plate is a threaded hole. The first groove second through hole 112 of the base plate is threadedly connected with the hexagon socket screw.

[0036] The first through hole 111 of the first groove of the bottom plate and the first fixing member groove through hole 211 are coaxial, and an external rod-shaped fixing device can be inserted through the first through hole 111 of the first groove of the bottom plate and the first fixing member groove through hole 211, thereby connecting the utility model with an existing external device.

[0037] like Figure 6 and Figure 7 As shown, the second fixing member 3 is a block structure, the cross section of the second fixing member 3 is a trapezoid, the second fixing member 3 is provided with a second fixing member through hole 31, and the second fixing member through hole 31 is a countersunk hole structure. The second fixing members 3 are distributed on the bottom plate 1 in a circumferential array.

[0038] A second fixing member platform 32 is provided at the end of the second fixing member 3 . The height of the second fixing member platform 32 is lower than the top height of the second fixing member 3 . The second fixing member platform 32 abuts against the part.

[0039] The second fixing member through hole 31 is provided with an inner hexagonal screw, and the end of the inner hexagonal screw is inserted into the second slot through hole 121 of the bottom plate and threadedly engaged. That is, the second slot through hole 121 of the bottom plate is a threaded hole, and the inner hexagonal screw is threadedly connected with the threaded hole.

[0040] During use of the utility model, the turbine tile is installed between the first fixing member 2 and the second fixing member 3 of the base plate 1, and then the hexagonal screw is rotated to fix the first fixing member 2 and the second fixing member 3. The end of the second fixing member 3 extends into the groove on the outer surface of the turbine tile, thereby completing the clamping and positioning of the turbine tile. By fixing multiple turbine tiles with a first fixing member 2 and multiple second fixing members 3 in an array, the complete clamping and positioning of multiple turbine tiles can be achieved. At the same time, damage to the turbine tile during the clamping process is avoided. The operation is simple and easy to use.

[0041] Those skilled in the art will appreciate that the embodiments described herein are intended to help readers understand the principles of the present invention, and should be understood that the protection scope of the present invention is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific variations and combinations based on the technical inspirations disclosed in the present invention without departing from the essence of the present invention, and these variations and combinations are still within the protection scope of the present invention.

Claims

1. A fixture for positioning turbine blades, characterized in that: The invention comprises a base plate (1), on which a first fixing member (2) and a second fixing member (3) are provided, wherein the first fixing member (2) is a rotating body structure, the first fixing member (2) is concentric with the base plate (1), and the second fixing member (3) is a block structure, and the second fixing members (3) are distributed on the base plate in a circular array; the first fixing member (2) and the second fixing member (3) are both connected to the base plate (1) by bolts, the turbine blade is located between the first fixing member (2) and the second fixing member (3), and the parts are fixed by the first fixing member (2) and the second fixing member (3).

2. The fixture for positioning turbine blades according to claim 1, characterized in that: The bottom plate (1) is a hollow rotating body structure. A first bottom plate groove (11) and a second bottom plate groove (12) are respectively provided on the bottom plate (1). The first bottom plate groove (11) and the second bottom plate groove (12) are both annular structures and are concentric.

3. The fixture for positioning turbine blades according to claim 1 is characterized in that: The first through hole (111) of the bottom plate and the second through hole (112) of the bottom plate are arranged in the first groove (111) of the bottom plate. The first through hole (111) of the bottom plate is a countersunk hole structure. The two second through holes (112) of the bottom plate are distributed in a group on both sides of the first through hole (111) of the bottom plate. The first through holes (111) of the bottom plate are distributed in the first groove (11) of the bottom plate in a circular array.

4. The fixture for positioning turbine blades according to claim 1, characterized in that: The bottom of the bottom plate (1) is concave to form a bottom plate groove (13); the cross section of the bottom plate groove (13) is trapezoidal, and the bottom plate grooves are distributed in a circular array.

5. The fixture for positioning turbine blades according to claim 1, characterized in that: The outer circumferential surface of the bottom plate (1) is provided with bottom plate circumferential surface positioning holes (14), and the number of the bottom plate circumferential surface positioning holes (14) is four and they are symmetrically arranged.

6. The fixture for positioning turbine blades according to claim 1, characterized in that: The first fixing member (2) is a circular ring structure, the end surface of the first fixing member (2) is concave to form a first fixing member groove (21), a first fixing member groove through hole (211) is provided in the first fixing member groove (21), a first fixing member through hole (22) is provided between two adjacent first fixing member grooves (21), the two adjacent first fixing member grooves (21) and the first fixing member through hole (22) constitute a first fixing member positioning group, and the first fixing member positioning group is arranged in a circular array.

7. The fixture for positioning turbine blades according to claim 1, characterized in that: The second fixing member (3) is a block-shaped structure, the cross section of the second fixing member (3) is a trapezoid, the second fixing member (3) is provided with a second fixing member through hole (31), and the second fixing member through hole (31) is a countersunk hole structure.

8. The fixture for positioning turbine blades according to claim 1, characterized in that: A second fixing member platform (32) is provided at the end of the second fixing member (3); the height of the second fixing member platform (32) is lower than the top height of the second fixing member (3); and the second fixing member platform (32) abuts against the part.

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