Tool clamp for turbine tile pressing block

The tooling fixture addresses the inefficiencies and instability of existing turbine blade clamping by securely positioning both inner and outer surfaces, improving production efficiency and accuracy through its innovative design.

CN222243610UActive Publication Date: 2024-12-27CHENGDU HUACHEN PENGJI TECH CO LTD
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Patent Information

Application Number
CN202421076515.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-16
Publication Date
2024-12-27
Estimated Expiration
2034-05-16

AI Technical Summary

Technical Problem

Existing clamping and positioning fixtures for turbine blades in gas turbine production have low efficiency, cause damage, and fail to securely position both inner and outer surfaces, especially for blades with an 'S'-shaped cross-section, leading to instability and reduced production accuracy.

Method used

A tooling fixture with a fixture base, upper and lower pressure plates, and positioning rods and pads that securely clamp and position both inner and outer surfaces of turbine blades, using a combination of annular, trapezoidal, and threaded structures for firm fixation.

Benefits of technology

The fixture ensures stable clamping and positioning of turbine blades, preventing shaking and damage, thereby enhancing production efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222243610U_ABST
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Abstract

The utility model discloses a work fixture for a turbine tile pressing block, which comprises a fixture base, a positioning fixture module is arranged on the fixture base, the positioning fixture module comprises an upper pressing plate, a lower pressing plate, a first positioning rod, a second positioning rod and a positioning cushion block, and the upper pressing plate and the lower pressing plate are arranged up and down. The first positioning rod sequentially penetrates through the upper pressing plate and the lower pressing plate to be connected with the clamp base, the second positioning rod penetrates through the lower pressing plate to be connected with the base, and the positioning cushion block is located at the bottom of the upper pressing plate. The turbine tile is installed between the clamp base and the positioning clamp module, the bottom of the positioning cushion block abuts against the turbine tile, the top of the lower pressing plate abuts against a part, and the upper pressing plate and the lower pressing plate fix the part. According to the tool clamp for the turbine tile pressing block, positioning of the inner surface and the outer surface of a part can be achieved, and the part is clamped firmly and does not shake.
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Description

Technical Field

[0001] The utility model belongs to the technical field of clamping and positioning of thin-walled rotating body parts, and in particular relates to a tooling fixture for turbine tile pressing blocks. 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] At the same time, the existing equipment for fixing turbine blades often positions a single inner or outer surface of the part, which has a poor positioning effect and causes a lot of damage to the parts. In particular, in the clamping and positioning process of turbine blades, traditional clamps are prone to damage to parts. In the positioning process of turbine blades with an "S"-shaped cross-section, traditional clamping equipment often only clamps the protruding part of the turbine blade, which has a poor clamping effect, is not firmly fixed, and is prone to shaking, which in turn affects the production and processing accuracy of the turbine blades. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned problem and provide a groove pressing block fixture for positioning turbine blades, which can clamp and position the inside and outside of turbine blades, has good positioning effect, multiple positioning directions and is firm.

[0005] To solve the above technical problems, the technical solution of the utility model is: a tooling fixture for turbine tile pressing blocks, comprising a fixture base, a positioning fixture module is installed on the fixture base, the positioning fixture module comprises an upper pressure plate, a lower pressure plate, a first positioning rod, a second positioning rod and a positioning pad, the upper pressure plate and the lower pressure plate are arranged up and down, the first positioning rod passes through the upper pressure plate and the lower pressure plate in sequence and is connected to the fixture base, the second positioning rod passes through the lower pressure plate and is connected to the base, and the positioning pad is located at the bottom of the upper pressure plate; the turbine tile is installed between the fixture base and the positioning fixture module, the bottom of the positioning pad abuts against the turbine tile, the top of the lower pressure plate abuts against the part, and the upper pressure plate and the lower pressure plate fix the part.

[0006] Preferably, the clamp base is an annular structure of a rotating body, a clamp base groove is provided on the end face of the clamp base, a clamp base first hole and a clamp base second hole are provided at the bottom of the clamp base groove, the end face of the clamp base protrudes outward to form a clamp base protrusion, and the cross-section of the clamp base protrusion is trapezoidal.

[0007] Preferably, the first hole of the clamp base is a threaded hole structure, and the structure of the second hole of the clamp base is the same as the structure of the first hole of the clamp base; the first hole of the clamp base and the second hole of the clamp base are distributed on the clamp base in a circular array.

[0008] Preferably, the upper pressing plate is a long block structure, the cross section of the upper pressing plate is a trapezoid, and an upper pressing plate through hole is provided on the upper pressing plate, and the upper pressing plate through hole is a waist-shaped hole structure.

[0009] Preferably, the lower pressing plate is a long strip structure, the end of the lower pressing plate is inclined, the cross-section of the other end of the lower pressing plate is triangular, a lower pressing plate through hole is opened in the middle of the lower pressing plate, and the lower pressing plate through hole is a waist-shaped hole structure.

[0010] Preferably, the first positioning rod is a threaded rod structure, the end of the first positioning rod protrudes outward to form a first positioning rod protrusion, the first positioning rod protrusion is a cylindrical structure, and the end surface of the first positioning rod protrusion is concave to form a groove with a hexagonal cross-section.

[0011] Preferably, the positioning pad is a rectangular parallelepiped structure.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model provides a tooling fixture for turbine tile pressing blocks, which can realize the positioning of the inner and outer surfaces of the turbine tiles, and the turbine tiles are firmly clamped without shaking.

[0014] 2. The utility model fixes the bottom of the turbine tile up and down by means of an upper pressure plate, a lower pressure plate and a positioning pad, thereby increasing the stability of the positioning of the turbine tile and making the turbine tile firmly fixed.

[0015] 3. The utility model realizes positioning of the inner and outer surfaces of the turbine blade by means of the upper pressure plate, the lower pressure plate and the protrusion of the fixture base, thereby ensuring the stability of the turbine blade clamping. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

[0018] Figure 3 It is a structural schematic diagram of the positioning fixture module of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the upper pressing plate of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the lower pressing plate of the utility model;

[0021] Figure 6 It is a schematic diagram of the connection between the positioning fixture module and the parts of the utility model.

[0022] Explanation of the accompanying drawings: 1. Clamp base; 2. Positioning clamp module; 10. Clamp base groove; 11. Clamp base first hole; 12. Clamp base second hole; 13. Clamp base protrusion; 21. Upper pressure plate; 22. Lower pressure plate; 23. First positioning rod; 24. Second positioning rod; 25. Positioning pad; 210. Upper pressure plate through hole; 221. Lower pressure plate through hole; 231. First positioning rod protrusion. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0024] like Figures 1 to 6 As shown, the utility model provides a fixture for turbine tile pressing block, including a fixture base 1, a positioning fixture module 2 is installed on the fixture base 1, and the positioning fixture module 2 includes an upper pressing plate 21, a lower pressing plate 22, a first positioning rod 23, a second positioning rod 24 and a positioning pad 25. The upper pressing plate 21 and the lower pressing plate 22 are arranged up and down, the first positioning rod 23 passes through the upper pressing plate 21 and the lower pressing plate 22 in sequence and is connected to the fixture base 1, the second positioning rod 24 passes through the lower pressing plate 22 and is connected to the base, and the positioning pad 25 is located at the bottom of the upper pressing plate 21. The turbine tile is installed between the fixture base 1 and the positioning fixture module 2, the bottom of the positioning pad 25 abuts against the turbine tile, the top of the lower pressing plate 22 abuts against the turbine tile, and the upper pressing plate 21 and the lower pressing plate 22 fix the turbine tile.

[0025] like Figure 2 As shown, the clamp base 1 is a ring-shaped structure of a rotating body, and a clamp base groove 10 is provided on the end face of the clamp base 1. The bottom of the clamp base groove 10 is provided with a clamp base first hole 11 and a clamp base second hole 12. The end face of the clamp base 1 protrudes outward to form a clamp base protrusion 13, and the cross-section of the clamp base protrusion 13 is a trapezoid.

[0026] The inner surface of the fixture base protrusion 13 is an arc structure, and the curvature of the turbine tile is the same as the curvature of the fixture base protrusion 13. The turbine tile is installed on the fixture base 1, and the outer surface of the turbine tile abuts against the fixture base protrusion 13, thereby completing the positioning of the outer surface of the turbine tile.

[0027] The fixture base groove 10 is an annular groove, and the fixture base first hole 11 and the fixture base second hole 12 are arranged in parallel.

[0028] The first hole 11 of the clamp base is a threaded hole structure, and the structure of the second hole 12 of the clamp base is the same as the structure of the first hole 11 of the clamp base. The first hole 11 of the clamp base and the second hole 12 of the clamp base are distributed on the clamp base 1 in a circular array.

[0029] The first positioning rod 23 is threadedly connected to the first hole 11 of the clamp base, and the second positioning rod 24 is threadedly connected to the second hole 12 of the clamp base.

[0030] like Figures 3 to 5 As shown, the upper pressing plate 21 is a long block structure, the cross section of the upper pressing plate 21 is a trapezoid, and an upper pressing plate through hole 210 is provided on the upper pressing plate 21, and the upper pressing plate through hole 210 is a waist-shaped hole structure.

[0031] The lower pressing plate 22 is a long strip structure, the end of the lower pressing plate 22 is inclined, and the cross section of the other end of the lower pressing plate 22 is triangular. A lower pressing plate through hole 221 is opened in the middle of the lower pressing plate 22, and the lower pressing plate through hole 221 is a waist-shaped hole structure.

[0032] The upper pressing plate 21 and the lower pressing plate 22 are both distributed in a circumferential array on the fixture base 1, thereby completing the positioning of the inside of the part. The fixture base protrusion 13 completes the positioning of the outside of the part.

[0033] The first positioning rod 23 is a threaded rod structure, the end of the first positioning rod 23 protrudes outward to form a first positioning rod protrusion 231, the first positioning rod protrusion 231 is a cylindrical structure, and the end surface of the first positioning rod protrusion 231 is concave to form a groove with a hexagonal cross section. The positioning pad 25 is a rectangular parallelepiped structure, the positioning pad 25 abuts against the part, and the part is positioned and fixed by the pressure of the upper pressing plate 22.

[0034] In this embodiment, the first positioning rod 23 and the first positioning rod protrusion 231 form a hexagonal screw structure. The second positioning rod 24 has the same structure as the first positioning rod 23, except that the length of the second positioning rod 24 is shorter than that of the first positioning rod 23. Circular gaskets are sleeved on the first positioning rod 23 and the second positioning rod 24, so that the first positioning rod 23 can press the upper pressing plate 21 and the second positioning rod 24 can press the lower pressing plate 22, thereby completing the positioning of the parts.

[0035] The position of the first positioning rod 23 in the upper plate through hole 210 is adjusted, and the position of the upper plate 21 is adjusted. The position of the second positioning rod 24 in the lower plate through hole 221 is adjusted, and the position of the lower plate 22 is adjusted. Thus, the turbine blades can be better clamped and positioned.

[0036] The clamp base protrusion 13 of the utility model is provided with a clamp base protrusion hole, which is connected to an external device through the clamp base protrusion hole, or the clamp base 1 is sleeved on an existing fixing device, thereby completing the clamping and fixing of the turbine blade, which is convenient for subsequent processing of the turbine blade. The existing fixing device includes existing machine tool equipment, etc.

[0037] During use, the utility model installs the turbine tile in the fixture base groove 10 of the fixture base 1, and then adjusts the positions of the first positioning rod 23 and the second positioning rod 24, thereby adjusting the positions of the upper pressing plate 21 and the lower pressing plate 22 to complete the clamping and positioning of the turbine tile. In particular, during the clamping process of the parts with an "L"-shaped cross section, the lower pressing plate 22 positions the bottom of the turbine tile, and the upper pressing plate 21 completes the abutment positioning of the bent part of the turbine tile through the positioning pad 25, so that the turbine tile is fixed more firmly.

[0038] 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 briquetting turbine tiles, characterized in that: The invention comprises a fixture base (1), on which a positioning fixture module (2) is installed, wherein the positioning fixture module (2) comprises an upper pressing plate (21), a lower pressing plate (22), a first positioning rod (23), a second positioning rod (24) and a positioning pad (25), wherein the upper pressing plate (21) and the lower pressing plate (22) are arranged up and down, wherein the first positioning rod (23) passes through the upper pressing plate (21) and the lower pressing plate (22) in sequence and is connected to the fixture base (1), wherein the second positioning rod (24) passes through the lower pressing plate (22) and is connected to the base, and the positioning pad (25) is located at the bottom of the upper pressing plate (21); a turbine blade is installed between the fixture base (1) and the positioning fixture module (2), wherein the bottom of the positioning pad (25) abuts against the turbine blade, and the top of the lower pressing plate (22) abuts against the part, and the upper pressing plate (21) and the lower pressing plate (22) fix the part.

2. A fixture for turbine tile briquetting according to claim 1, characterized in that: The clamp base (1) is a ring-shaped structure of a rotating body, and a clamp base groove (10) is provided on the end surface of the clamp base (1), and a clamp base first hole (11) and a clamp base second hole (12) are provided at the bottom of the clamp base groove (10). The end surface of the clamp base (1) protrudes outward to form a clamp base protrusion (13), and the cross-section of the clamp base protrusion (13) is trapezoidal.

3. A fixture for turbine tile briquetting according to claim 1, characterized in that: The first hole (11) of the clamp base is a threaded hole structure, and the structure of the second hole (12) of the clamp base is the same as the structure of the first hole (11) of the clamp base; the first hole (11) of the clamp base and the second hole (12) of the clamp base are distributed on the clamp base (1) in a circular array.

4. A fixture for turbine tile briquetting according to claim 1, characterized in that: The upper pressing plate (21) is a long block structure, the cross section of the upper pressing plate (21) is a trapezoid, and an upper pressing plate through hole (210) is provided on the upper pressing plate (21), and the upper pressing plate through hole (210) is a waist-shaped hole structure.

5. The fixture for turbine tile briquetting according to claim 1 is characterized in that: The lower pressing plate (22) is a long strip structure, the end of the lower pressing plate (22) is inclined, the cross section of the other end of the lower pressing plate (22) is triangular, and a lower pressing plate through hole (221) is provided in the middle of the lower pressing plate (22), and the lower pressing plate through hole (221) is a waist-shaped hole structure.

6. The fixture for turbine tile briquetting according to claim 1, characterized in that: The first positioning rod (23) is a threaded rod structure, the end of the first positioning rod (23) protrudes outward to form a first positioning rod protrusion (231), the first positioning rod protrusion (231) is a cylindrical structure, and the end surface of the first positioning rod protrusion (231) is concave to form a groove with a hexagonal cross-section.

7. The fixture for turbine tile briquetting according to claim 1, characterized in that: The positioning cushion block (25) is a rectangular parallelepiped structure.