Fixing tool for double-sided automatic drilling of aircraft engine hanger

Abstract

The utility model discloses an aircraft engine hanging double-face automatic hole forming fixing tool, which belongs to the technical field of civil aircraft assembly, and comprises a tool frame, a supporting piece, a hanging positioner and a cup cone positioner, the tool frame is a supporting frame of the tool, and the cup cone positioner is fixed at the lower end of the tool frame and used for being fixed with automation equipment. The hanger positioner is fixed in the supporting frame, arranged according to front and rear beam assembly holes and used for positioning and fixing a tool and a hanger, a plurality of sets of sliding rails are arranged in the supporting frame and used for installing the supporting pieces so that the supporting pieces can move along the sliding rails, and spiral telescopic pressing blocks are further arranged on the supporting pieces and can move in the direction perpendicular to the sliding rails so that the hanger can be pressed. According to the utility model, the fixing of the hanger can be realized, the hanger can be matched with automatic equipment, the automatic drilling of the hanger can be realized, in addition, the tool is suitable for processing the left hanger and the right hanger, and the drilling of the upper surface and the lower surface can be completed through one-time fixing.

Description

Technical Field

[0001] The utility model belongs to the technical field of civil aircraft assembly, and relates to an aircraft engine suspension double-sided automatic hole-making and fixing tool, which is applied to the assembly of engine suspension (short for suspension) in aircraft assembly. Background Art

[0002] With the continuous development of aircraft design and manufacturing technology, the level of automation in the aircraft assembly process has been continuously improved. A large number of parts have been processed using automated equipment. The main body of the regional aircraft engine suspension is made of titanium alloy material, which is difficult to make holes and has low production efficiency. It requires a lot of manual participation and is generally carried out using manual or automatic drilling units. Utility Model Content

[0003] The utility model provides an aircraft engine hanging double-sided automatic hole-making fixing tool, which is used for fixing the hanging when automatic holes are made by automated equipment. The same tool is applicable to both left and right hangings, and holes on the upper and lower surfaces of the hanging can be made in one fixation.

[0004] The utility model adopts the following technical solutions:

[0005] A double-sided automatic hole-making fixture for hanging an aircraft engine, the fixture comprising a fixture frame 1, a support member 2, a hanging positioner 3, and a cup-cone positioner 4.

[0006] The tooling frame 1 serves as a supporting frame for the fixed tooling, and includes a bottom frame 11, a positioning frame 12, and a supporting frame 13; the bottom frame 11 is located at the bottom of the tooling frame 1, and is used to form a base for the fixed tooling; the positioning frame 12 is installed above the bottom frame 11, and is used to provide an installation position for the support 2. The positioning frame 12 is provided with four sets of parallel slide rails, and each set of slide rails includes two upper and lower tracks; the supporting frame 13 is provided with two sets, which are arranged on both sides of the frame inside the positioning frame 12, and their height is set according to the front and rear beam assembly holes of the suspension, and are used to install the suspension locator 3.

[0007] The hanging positioner 3 is a flat plate structure, with two groups, namely the front beam positioner and the rear beam positioner, which are fixedly connected to the two groups of support frames 13 respectively, so that their positions correspond to the front and rear beam assembly holes of the hanging. Holes are opened on the hanging positioner 3 according to the positions of the front and rear beam assembly holes of the hanging, and are connected by pins to complete the hanging positioning and fastening; among them, the rear beam positioners are provided with two types with different hole positions, which correspond to the positions of the rear beam assembly holes of the left and right hangings respectively, and correspond to the fixation of the left and right hangings.

[0008] The support member 2 includes a column and a spiral retractable pressure block fixed on the column. There are 4 groups of support members 2, and their positions correspond one by one to the 4 groups of slide rails of the positioning frame 12. The column is supported between the upper and lower rails so that the support member 2 can move along the slide rail, and the spiral retractable pressure block can be retracted and moved in a direction perpendicular to the slide rail to achieve compression of the suspension.

[0009] The cup-cone positioner 4 is arranged at the bottom of the tooling frame 1, and is used in coordination with the cup-cone positioner at the front of the automation equipment to complete the positioning of the tooling, and is fixed by gravity.

[0010] The use process of the fixed tooling is as follows:

[0011] (1) Complete the hanging pre-assembly work before drilling holes.

[0012] (2) Align the two suspension positioners 3 with the assembly holes of the front and rear beams of the pre-assembled suspension, and complete the positioning and fixing.

[0013] (3) Move the two groups of support members 2 corresponding to the lower surface of the suspension to the front and rear beam positions of the suspension, adjust the spiral retractable pressure block to complete the compression of the suspension, and move the other two groups of support members 2 to the two sides of the fixed tooling.

[0014] (4) Lift the fixed tooling and hang it in front of the automation equipment, and fix it using the cup-cone positioner 4, with the upper surface of the hanger facing the automation equipment.

[0015] (5) Automated equipment automatically makes the upper surface holes.

[0016] (6) Rotate the fixed fixture half a circle so that the lower surface of the suspension faces the automation equipment.

[0017] (7) Move the two sets of support members 2 corresponding to the upper surface of the suspension to the front and rear beam positions of the suspension, adjust the spiral retractable pressure block to complete the compression of the suspension, loosen the other two sets of support members 2 and move them to both sides of the fixed tooling.

[0018] (8) Automated equipment automatically makes the lower surface holes.

[0019] (9) The fixed tooling is hoisted away from the processing area, and the hanging hole making work is completed.

[0020] The beneficial effects of the utility model are: the use of the utility model can realize the fixation of the hanging, and cooperate with the automation equipment to realize the automatic hole making of the hanging. In addition, the utility model is suitable for the processing of left and right hangings, and the holes of the upper and lower surfaces can be made by one fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a front view of the utility model.

[0022] Figure 2 It is an axial view of the utility model.

[0023] In the figure: 1 tooling frame; 2 support member; 3 hanging positioner; 4 cup-cone positioner; 11 bottom frame; 12 positioning frame; 13 support frame. DETAILED DESCRIPTION

[0024] The technical solution of the utility model is described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. All other embodiments improved or adjusted by ordinary technicians in this field based on the embodiments of the utility model belong to the protection scope of the utility model.

[0025] An aircraft engine hanging double-sided automatic hole-making fixture, the fixture comprising a fixture frame 1, a support 2, a hanging positioner 3, a cup-cone positioner 4, such as Figure 1 and Figure 2 shown.

[0026] The tooling frame 1 includes a bottom frame 11, a positioning frame 12, and a support frame 13; the bottom frame 11 is located at the bottom of the tooling frame 1, and is used to form a base for fixing the tooling. Cup-cone positioners 4 are provided at the four corners of the bottom, which are used to coordinate with the cup-cone positioners at the front of the automation equipment to complete the positioning of the tooling and rely on gravity to complete the fixation; the positioning frame 12 is installed above the bottom frame 11, and is a cube as a whole, including parallel front and rear frame surfaces, and two sets of slide rails are provided on the two frame surfaces, and each set of slide rails includes two upper and lower tracks; the support frame 13 is provided with two groups, which are arranged on both sides of the frame inside the positioning frame 12, and its height is set according to the front and rear beam assembly holes of the suspension, and is used to install the suspension positioner 3.

[0027] The hanging positioner 3 is a flat structure, including a front beam positioner and a rear beam positioner, which are respectively fixedly connected to two groups of support frames 13. Holes are opened on the hanging positioner 3 according to the positions of the front and rear beam assembly holes of the hanging, and are connected to the front and rear beams of the hanging through pins to complete the hanging positioning and fastening; among them, the rear beam positioners are provided with two types with different hole positions, and the hole positions correspond to the rear beam assembly holes of the left and right hangings, respectively, and correspond to the fixation of the left and right hangings.

[0028] The support member 2 includes a column and a spiral retractable pressure block fixed on the column. There are 4 groups of support members 2, and their positions correspond one by one to the 4 groups of slide rails of the positioning frame 12. The column is supported between the upper and lower rails, so that the support member 2 can move along the slide rail, that is, the front and rear frame surfaces in the positioning frame 12. The spiral retractable pressure block can be telescopically moved in a direction perpendicular to the slide rail to achieve compression of the suspension.

[0029] This embodiment takes the ARJ21 engine suspension as an example, and uses the fixed tooling with CNC equipment to automatically drill holes for the suspension as follows:

[0030] (1) Complete the hanging pre-assembly work before drilling holes.

[0031] (2) Fix the pre-assembled suspension to the tooling, wherein the two suspension positioners 3 are aligned with the front and rear beam assembly holes of the suspension, and the positioning and fixing are completed using pins.

[0032] (3) Move the two groups of support members 2 corresponding to the lower surface of the suspension to the front and rear beam positions of the suspension, adjust the spiral retractable pressure block to complete the compression of the suspension, and move the other two groups of support members 2 to the two sides of the fixed tooling.

[0033] (4) Lift and fix the tooling and hang it in front of the CNC equipment, and fix it using the cup-cone positioner 4, with the upper surface of the hanger facing the CNC equipment.

[0034] (5) The upper surface holes are automatically made by CNC equipment.

[0035] (6) Rotate the fixed fixture half a circle so that the lower surface of the suspension faces the CNC equipment.

[0036] (7) Move the two groups of support members 2 corresponding to the upper surface of the suspension to the front and rear beam positions of the suspension, adjust the spiral retractable pressure block to complete the compression of the suspension, and move the other two groups of support members 2 to the two sides of the fixed tooling.

[0037] (8) The CNC equipment automatically makes the lower surface holes.

[0038] (9) The fixed tooling is hoisted away from the processing area, and the hanging hole making work is completed.

[0039] The above-described embodiments merely express the implementation methods of the present invention, but they cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. An aircraft engine hanging double-sided automatic hole-making fixing tool, characterized in that: The fixed tooling comprises a tooling frame (1), a support member (2), and a hanging positioner (3); The tooling frame (1) serves as a supporting frame for the fixed tooling. A total of four sets of parallel slide rails are arranged on the tooling frame (1), and each set of slide rails includes two upper and lower rails. The hanging positioner (3) is a flat plate structure, and is provided with two groups, namely a front beam positioner and a rear beam positioner, which are fixedly connected to the inside of the tooling frame (1), and their positions correspond to the front and rear beam assembly holes of the hanging. The hanging positioner (3) is opened according to the positions of the front and rear beam assembly holes of the hanging, and is used for hanging positioning and fastening; The support member (2) comprises a column and a spiral retractable pressure block fixed on the column. There are four groups of support members (2) in total, and their positions correspond one to one with the four groups of slide rails on the tooling frame (1). The column is supported between the upper and lower rails so that the support member (2) can move along the slide rail. The spiral retractable pressure block can be retracted and moved in a direction perpendicular to the slide rail to achieve compression of the suspension.

2. The double-sided automatic hole-making fixture for hanging an aircraft engine according to claim 1 is characterized in that: The tooling frame (1) comprises a bottom frame (11), a positioning frame (12), and a support frame (13); the bottom frame (11) is located at the bottom of the tooling frame (1) and serves as a base; the positioning frame (12) is installed above the bottom frame (11), and four sets of slide rails are arranged on the positioning frame (12) to provide a mounting position for the support member (2); two sets of support frames (13) are arranged on both sides of the interior of the positioning frame (12), and their heights are set according to the front and rear beam assembly holes of the suspension, and are respectively used to install two sets of suspension positioners (3).

3. The double-sided automatic hole-making fixture for hanging an aircraft engine according to claim 1, characterized in that: A cup-cone positioner (4) is provided at the bottom of the tooling frame (1) for fixing to the automation equipment.

4. The double-sided automatic hole-making fixture for hanging an aircraft engine according to claim 1, characterized in that: The rear beam positioners in the hanging positioner (3) are provided with two types with different hole positions, corresponding to the rear beam assembly hole positions of the left and right hangings respectively, and corresponding to the fixation of the left and right hangings.

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