Positioning gauge for outer arc surface of high-temperature alloy clamp arm of commercial aircraft power system

Abstract

The utility model relates to a high temperature alloy clamping arm's outer circular arc surface locating gauge for commercial aircraft power system, including bottom plate, fixed block and compression strip, install the compression strip drive assembly for driving the compression strip and moving back and forth in the compression strip lower groove and the compression strip upper groove in the bottom plate, install the vertical limit component for limiting work piece in vertical direction freedom degree, and the front -back limit component for limiting work piece front -back direction freedom degree with positioning convex part cooperation, the left and right limit component for limiting work piece left and right direction freedom degree and the gauge assembly for detecting work piece profile degree in the bottom plate. The utility model can position work piece with quick clamping, can also detect the profile and the position of work piece's outer circular arc surface simultaneously, improves work piece's production efficiency, and the utility model has the advantages of simple structure, convenient operation.

Description

Technical Field

[0001] This utility model belongs to the field of tooling and fixture technology. Specifically, it discloses a positioning fixture for the outer arc surface of a high-temperature alloy clamping arm used in the power system of commercial aircraft. Background Technology

[0002] High-temperature alloys are widely used in the aerospace industry due to their corrosion resistance, high-temperature resistance, and high strength. However, many high-temperature alloy products have irregular shapes, such as the high-temperature alloy clamping arms used in commercial aircraft power systems. The contour and position of the outer arc surface on these clamping arms are crucial, as this outer arc surface is where they mate with other parts. Currently, conventional clamping fixtures are inconvenient and inaccurate for clamping these arms, making it very difficult to inspect the outer arc surface of the finished clamping arms. Ultimately, this reduces the production and inspection efficiency of the clamping arms and the product qualification rate. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a positioning fixture for the outer arc surface of a high-temperature alloy clamping arm for a commercial aircraft power system.

[0004] According to the technical solution provided by this utility model, the outer arc surface positioning fixture of the high temperature alloy clamping arm for commercial aircraft power system includes a base plate, a fixing block and a clamping strip; A lower groove for a pressing strip is formed on the upper surface of the base plate. The length direction of the lower groove for the pressing strip is horizontal in the front-to-back direction. A fixing block is fixed on the upper surface of the base plate. An upper groove for a pressing strip is formed on the lower surface of the fixing block. The length direction of the upper groove for the pressing strip is horizontal in the front-to-back direction. The upper groove for the pressing strip and the lower groove for the pressing strip cooperate. The pressing strip is slidably installed in the lower groove for the pressing strip and the upper groove for the pressing strip. The front end of the pressing strip is provided with a positioning protrusion. A pressing bar drive assembly for driving the pressing bar to move back and forth in the lower groove and upper groove of the pressing bar is installed on the base plate; The base plate is equipped with a vertical limiting component for restricting the workpiece's vertical degree of freedom, a front-back limiting component that cooperates with the positioning protrusion for restricting the workpiece's front-back degree of freedom, a left-right limiting component for restricting the workpiece's left-right degree of freedom, and a gauge component for detecting the workpiece's contour.

[0005] Preferably, the vertical limiting component includes a vertically upward support pin, a flip plate, a support block, a vertically downward support pin, and a vertically downward support pin screw; Vertically upward support pins are fixed on the upper surfaces of the base plates on the left and right sides corresponding to the lower groove of the pressing strip. The upper end of each vertically upward support pin is a working part. The total number of vertically upward support pins is at least three. The axis of each vertically upward support pin is perpendicular to the plane of the base plate. A flip plate mounting opening is provided on the bottom plate in front of the lower groove of the pressing strip. A flip plate is hinged in the flip plate mounting opening by a pin. The axis of the pin is perpendicular to the length direction of the lower groove of the pressing strip. The flip plate is formed by connecting a vertical section and a horizontal section of the flip plate. The upper end of the vertical section of the flip plate is integrally connected to the front end of the horizontal section of the flip plate. A flip plate limiting hole is provided on the side of the vertical section of the flip plate. A vertically downward support pin screw is installed on the horizontal section of the flip plate. A vertically downward support pin is fixed at the lower end of the vertically downward support pin screw. A support block is fixed on the upper surface of the base plate, a vertically downward support pin screw is installed on the support block, and a vertically downward support pin is fixed at the lower end of the vertically downward support pin screw. The total number of vertically downward support pins is at least three, the lower end of each vertically downward support pin is the working end, and the axis of each vertically downward support pin is perpendicular to the plane of the base plate.

[0006] Preferably, the front and rear limiting assembly includes a front and rear support pin seat and a front and rear support pin. The front and rear support pin seats are fixed on the upper surfaces of the base plate corresponding to the left and right sides of the lower groove of the pressing strip. The front and rear support pins are fixed on the front and rear support pin seats. The front end of the front and rear support pin is the working end. The axis of the front and rear support pin is parallel to the plane of the base plate. The axis of the front and rear support pin is parallel to the length direction of the lower groove of the pressing strip.

[0007] Preferably, the left and right limiting components include a right support pin seat, a right support pin, a left support pin seat, a left support pin, and a left support pin screw; A rightward support pin seat and a leftward support pin seat are respectively fixed on the upper surface of the bottom plate corresponding to the left and right sides of the lower groove of the pressing strip. A rightward support pin is fixed on the rightward support pin seat. The axis of the rightward support pin is parallel to the plane of the bottom plate. The axis of the rightward support pin is perpendicular to the length direction of the lower groove of the pressing strip. The right end of the rightward support pin is the working end. A left-side support pin screw is installed on the left-side support pin seat, and a left-side support pin is fixed at the left end of the left-side support pin screw. The axis of the left-side support pin is parallel to the plane of the base plate, and the axis of the left-side support pin is perpendicular to the length direction of the lower groove of the pressing strip. The left end of the left-side support pin is the working end. The left support pin and the right support pin are coaxially arranged; A flip plate limiting pin is slidably installed on the left support pin seat, and the flip plate limiting pin cooperates with the flip plate limiting hole opened on the side of the vertical section of the flip plate on the flip plate.

[0008] Preferably, the inspection tool assembly includes an inspection tool handle and an outer arc inspection tool; A tool handle mounting hole is provided on the vertical section of the flip plate. The tool handle is slidably installed in the tool handle mounting hole. The length direction of the tool handle is parallel to the length direction of the lower groove of the clamping strip. An outer arc tool is fixed at the rear end of the tool handle.

[0009] Preferably, the clamping bar drive assembly includes a clamping bar drive screw mounting block and a clamping bar drive screw; A clamping strip drive screw mounting block is fixed on the base plate, and a clamping strip drive screw is mounted on the clamping strip drive screw mounting block. A stepped cylinder is coaxially fixed at the front end of the clamping strip drive screw, and a T-slot is provided at the rear end of the clamping strip. The stepped cylinder on the clamping strip drive screw extends into the T-slot of the clamping strip.

[0010] This invention can quickly clamp and position workpieces, and can also quickly detect the contour and position of the outer arc surface of the workpiece, thereby improving the production efficiency of the workpiece. This invention has the advantages of simple structure and easy operation. Attached Figure Description

[0011] Figure 1 This is one of the perspective views of this utility model.

[0012] Figure 2 This is the second perspective view of this utility model.

[0013] Figure 3 This is the third perspective view of this utility model.

[0014] Figure 4 This is one of the three-dimensional views of the utility model in use.

[0015] Figure 5 This is the second perspective view of the utility model in use.

[0016] Figure 6 This is the third perspective view of the utility model in use. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0018] A positioning fixture for the outer arc surface of a high-temperature alloy clamping arm used in commercial aircraft power systems, such as Figure 1-3 As shown, it includes a base plate 1, a fixing block 2, and a clamping strip 3; A lower groove 1.1 for a pressing strip is provided on the upper surface of the base plate 1. The length direction of the lower groove 1.1 is horizontal in the front-to-back direction. A fixing block 2 is fixed on the upper surface of the base plate 1. An upper groove 2.1 for a pressing strip is provided on the lower surface of the fixing block 2. The length direction of the upper groove 2.1 is horizontal in the front-to-back direction. The upper groove 2.1 for a pressing strip cooperates with the lower groove 1.1 for a pressing strip. The pressing strip 3 is slidably installed in the lower groove 1.1 for a pressing strip and the upper groove 2.1 for a pressing strip. The front end of the pressing strip 3 is provided with a positioning protrusion 3.1. A pressing bar drive assembly for driving the pressing bar 3 to move back and forth within the pressing bar lower groove 1.1 and the pressing bar upper groove 2.1 is installed on the base plate 1; The base plate 1 is equipped with a vertical limiting component for limiting the vertical degree of freedom of the workpiece 100 (i.e., the high-temperature alloy clamp arm for commercial aircraft power system), a front-back limiting component that cooperates with the positioning protrusion 3.1 to limit the front-back degree of freedom of the workpiece 100, a left-right limiting component for limiting the left-right degree of freedom of the workpiece 100, and a gauge component for detecting the contour of the workpiece 100.

[0019] The vertical limiting component includes a vertically upward support pin 4, a flip plate 5, a support block 6, a vertically downward support pin 7, and a vertically downward support pin screw 8; Vertically upward support pins 4 are fixed on the upper surfaces of the base plate 1 on the left and right sides corresponding to the lower groove 1.1 of the pressing strip. The upper end of the vertically upward support pin 4 is the working part. The total number of vertically upward support pins 4 is at least three. The axis of the vertically upward support pin 4 is perpendicular to the plane where the base plate 1 is located. A flip plate mounting port 1.2 is provided on the base plate 1 in front of the lower groove 1.1 of the pressing strip. A flip plate 5 is hinged in the flip plate mounting port 1.2 by a pin. The axis of the pin is perpendicular to the length direction of the lower groove 1.1 of the pressing strip. The flip plate 5 is formed by connecting the vertical section and the horizontal section of the flip plate. The upper end of the vertical section of the flip plate is integrally connected to the front end of the horizontal section of the flip plate. A flip plate limiting hole is provided on the side of the vertical section of the flip plate. A vertically downward support pin screw 8 is installed on the horizontal section of the flip plate. A vertically downward support pin 7 is fixed at the lower end of the vertically downward support pin screw 8. A support block 6 is fixed on the upper surface of the base plate 1, a vertically downward support pin screw 8 is installed on the support block 6, and a vertically downward support pin 7 is fixed at the lower end of the vertically downward support pin screw 8. The total number of vertically downward support pins 7 is at least three. The lower end of each vertically downward support pin 7 is a working end, and the axis of each vertically downward support pin 7 is perpendicular to the plane of the base plate 1.

[0020] The front and rear limiting assembly includes a front and rear support pin seat 9 and a front and rear support pin 10. The front and rear support pin seats 9 are fixed on the upper surfaces of the base plate 1 on the left and right sides corresponding to the lower groove 1.1 of the pressing strip. The front and rear support pins 10 are fixed on the front and rear support pin seats 9. The front end of the front and rear support pins 10 is the working end. The axis of the front and rear support pins 10 is parallel to the plane of the base plate 1. The axis of the front and rear support pins 10 is parallel to the length direction of the lower groove 1.1 of the pressing strip.

[0021] The left and right limiting components include a right support pin seat 11, a right support pin 12, a left support pin seat 13, a left support pin 14, and a left support pin screw 15. On the upper surfaces of the base plate 1 corresponding to the left and right sides of the lower groove 1.1 of the pressing strip, a rightward support pin seat 11 and a leftward support pin seat 13 are respectively fixed. A rightward support pin 12 is fixed on the rightward support pin seat 11. The axis of the rightward support pin 12 is parallel to the plane of the base plate 1. The axis of the rightward support pin 12 is perpendicular to the length direction of the lower groove 1.1 of the pressing strip. The right end of the rightward support pin 12 is the working end. A left-side support pin screw 15 is installed on the left-side support pin seat 13. A left-side support pin 14 is fixed at the left end of the left-side support pin screw 15. The axis of the left-side support pin 14 is parallel to the plane where the base plate 1 is located. The axis of the left-side support pin 14 is perpendicular to the length direction of the lower groove 1.1 of the pressing strip. The left end of the left-side support pin 14 is the working end. The left support pin 14 and the right support pin 12 are coaxially arranged; A flip plate limiting pin 16 is slidably installed on the left support pin seat 13, and the flip plate limiting pin 16 cooperates with the flip plate limiting hole opened on the side of the vertical section of the flip plate 5.

[0022] The fixture assembly includes a fixture handle 17 and an outer arc fixture 18; A tool handle mounting hole is provided on the vertical section of the flip plate. The tool handle 17 is slidably installed in the tool handle mounting hole. The length direction of the tool handle 17 is parallel to the length direction of the lower groove 1.1 of the clamping strip. An outer arc tool 18 is fixed at the rear end of the tool handle 17.

[0023] The clamping bar drive assembly includes a clamping bar drive screw mounting block 19 and a clamping bar drive screw 20; A clamping bar drive screw mounting block 19 is fixed on the base plate 1, and a clamping bar drive screw 20 is mounted on the clamping bar drive screw mounting block 19. A stepped cylinder is coaxially fixed at the front end of the clamping bar drive screw 20, and a T-slot is provided at the rear end of the clamping bar 3. The stepped cylinder on the clamping bar drive screw 20 extends into the T-slot of the clamping bar 3.

[0024] like Figure 4-6 As shown, during operation, pull out the flip plate limiting pin 16 to disengage it from the flip plate limiting hole on the side of the vertical section of the flip plate 5. This allows the flip plate 5 to flip forward around the pin axis, placing the workpiece 100 on the vertically upward support pin 4. The workpiece 100 is supported by the vertically upward support pin 4. Move the workpiece 100 so that it is close to the front and rear support pins 10 and the right support pin 12. Rotate the left support pin screw 15 so that the left support pin 14, fixed to the left end of the left support pin screw 15, presses the workpiece 100, completing the operation. To limit the workpiece 100 in the left and right directions, rotate the clamping bar drive screw 20 so that the positioning protrusion 3.1 of the clamping bar 3 presses against the front end face of the workpiece 100, thus completing the front and rear direction limitation of the workpiece 100. Rotate the flip plate 5 backward. After the flip plate 5 flips into place, push in the flip plate limiting pin 16 so that the flip plate limiting pin 16 is embedded in the flip plate limiting hole opened on the side of the vertical section of the flip plate on the flip plate 5. Then rotate the vertical downward support pin screw 8 so that the vertical downward support pin 7 presses against the upper surface of the workpiece 100, thus completing the vertical direction limitation of the workpiece 100.

[0025] Push the gauge handle 17 backward, and the outer arc gauge 18 will inspect the outer arc surface of the workpiece 100. If the gauge handle 17 can be pushed backward smoothly to the end, it means that the contour and position of the outer arc surface of the workpiece 100 are qualified. If the gauge handle 17 cannot be pushed backward smoothly to the end, it means that the contour and position of the outer arc surface of the workpiece 100 are not qualified.

[0026] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to examples, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A positioning fixture for the outer arc surface of a high-temperature alloy clamping arm used in a commercial aircraft power system, comprising a base plate (1), a fixing block (2), and a clamping strip (3); characterized in that: exist The upper surface of the base plate (1) is provided with a lower groove (1.1) for a pressing strip. The length direction of the lower groove (1.1) is horizontal in the front-to-back direction. A fixing block (2) is fixed on the upper surface of the base plate (1). An upper groove (2.1) for a pressing strip is provided on the lower surface of the fixing block (2). The length direction of the upper groove (2.1) is horizontal in the front-to-back direction. The upper groove (2.1) for a pressing strip cooperates with the lower groove (1.1) for a pressing strip. The pressing strip (3) is slidably installed in the lower groove (1.1) for a pressing strip and the upper groove (2.1) for a pressing strip. The front end of the pressing strip (3) is provided with a positioning protrusion (3.1). A pressing bar drive assembly for driving the pressing bar (3) to move back and forth in the pressing bar lower groove (1.1) and pressing bar upper groove (2.1) is installed on the base plate (1); The base plate (1) is equipped with a vertical limiting component for limiting the vertical degree of freedom of the workpiece, a front-back limiting component that cooperates with the positioning protrusion (3.1) for limiting the front-back degree of freedom of the workpiece, a left-right limiting component for limiting the left-right degree of freedom of the workpiece, and a gauge component for detecting the contour of the workpiece.

2. The positioning fixture for the outer arc surface of the high-temperature alloy clamping arm for commercial aircraft power systems as described in claim 1, characterized in that: The vertical limiting component includes a vertically upward support pin (4), a flip plate (5), a support block (6), a vertically downward support pin (7), and a vertically downward support pin screw (8). Vertical upward support pins (4) are fixed on the upper surfaces of the base plate (1) on the left and right sides corresponding to the lower groove (1.1) of the pressing strip. The upper end of the vertical upward support pin (4) is the working part. The total number of vertical upward support pins (4) is at least three. The axis of the vertical upward support pin (4) is perpendicular to the plane where the base plate (1) is located. A flip plate mounting port (1.2) is provided on the bottom plate (1) in front of the lower groove (1.1) of the pressing strip. A flip plate (5) is hinged in the flip plate mounting port (1.2) by a pin. The axis of the pin is perpendicular to the length direction of the lower groove (1.1) of the pressing strip. The flip plate (5) is formed by connecting the vertical section and the horizontal section of the flip plate. The upper end of the vertical section of the flip plate is integrally connected with the front end of the horizontal section of the flip plate. A flip plate limiting hole is provided on the side of the vertical section of the flip plate. A vertically downward support pin screw (8) is installed on the horizontal section of the flip plate. A vertically downward support pin (7) is fixed at the lower end of the vertically downward support pin screw (8). A support block (6) is fixed on the upper surface of the base plate (1), a vertically downward support pin screw (8) is installed on the support block (6), and a vertically downward support pin (7) is fixed at the lower end of the vertically downward support pin screw (8). The total number of vertically downward support pins (7) is at least three. The lower end of the vertically downward support pin (7) is the working end. The axis of the vertically downward support pin (7) is perpendicular to the plane where the base plate (1) is located.

3. The positioning fixture for the outer arc surface of the high-temperature alloy clamping arm for commercial aircraft power systems as described in claim 1, characterized in that: The front and rear limiting assembly includes a front and rear support pin seat (9) and a front and rear support pin (10). The front and rear support pin seats (9) are fixed on the upper surfaces of the base plate (1) on the left and right sides corresponding to the lower groove (1.1) of the pressing strip. The front and rear support pins (10) are fixed on the front and rear support pin seats (9). The front end of the front and rear support pins (10) is the working end. The axis of the front and rear support pins (10) is parallel to the plane of the base plate (1). The axis of the front and rear support pins (10) is parallel to the length direction of the lower groove (1.1) of the pressing strip.

4. The positioning fixture for the outer arc surface of the high-temperature alloy clamping arm for commercial aircraft power systems as described in claim 2, characterized in that: The left and right limiting components include a right support pin seat (11), a right support pin (12), a left support pin seat (13), a left support pin (14), and a left support pin screw (15). On the upper surfaces of the base plate (1) on the left and right sides corresponding to the lower groove (1.1) of the pressing strip, a right support pin seat (11) and a left support pin seat (13) are respectively fixed. A right support pin (12) is fixed on the right support pin seat (11). The axis of the right support pin (12) is parallel to the plane of the base plate (1). The axis of the right support pin (12) is perpendicular to the length direction of the lower groove (1.1) of the pressing strip. The right end of the right support pin (12) is the working end. A left support pin screw (15) is installed on the left support pin seat (13), and a left support pin (14) is fixed at the left end of the left support pin screw (15). The axis of the left support pin (14) is parallel to the plane of the base plate (1), and the axis of the left support pin (14) is perpendicular to the length direction of the lower groove (1.1) of the pressing strip. The left end of the left support pin (14) is the working end. The left support pin (14) and the right support pin (12) are coaxially arranged; A flip plate limiting pin (16) is slidably installed on the left support pin seat (13), and the flip plate limiting pin (16) cooperates with the flip plate limiting hole opened on the side of the vertical section of the flip plate on the flip plate (5).

5. The positioning fixture for the outer arc surface of the high-temperature alloy clamping arm for commercial aircraft power systems as described in claim 2, characterized in that: The inspection tool assembly includes an inspection tool handle (17) and an outer arc inspection tool (18). A tool handle mounting hole is provided on the vertical section of the flip plate. The tool handle (17) is slidably installed in the tool handle mounting hole. The length direction of the tool handle (17) is parallel to the length direction of the lower groove (1.1) of the pressing strip. An outer arc tool (18) is fixed at the rear end of the tool handle (17).

6. The positioning fixture for the outer arc surface of the high-temperature alloy clamping arm for commercial aircraft power systems as described in claim 1, characterized in that: The clamping bar drive assembly includes a clamping bar drive screw mounting block (19) and a clamping bar drive screw (20). A clamping bar drive screw mounting block (19) is fixed on the base plate (1), and a clamping bar drive screw (20) is mounted on the clamping bar drive screw mounting block (19). A stepped cylinder is coaxially fixed at the front end of the clamping bar drive screw (20), and a T-slot is provided at the rear end of the clamping bar (3). The stepped cylinder on the clamping bar drive screw (20) extends into the T-slot of the clamping bar (3).

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