Airplane inner claw locking gasket bending device

Abstract

The utility model discloses a bending device for an airplane inner claw locking gasket, which belongs to the technical field of aviation repair and comprises a bending die base, a bending die female die, a bending die male die and a buffer cushion, the bending die base is provided with a vertical rod, the buffer cushion and the bending die female die are sequentially sleeved on the vertical rod, the bending die female die is a female die, the bending die male die is a male die, and the buffer cushion and the bending die female die are sequentially sleeved on the vertical rod. The molded surfaces of the female die and the male die are designed according to the molded inner claw locking gasket, and the female die and the male die of the bending die are assembled through a punching machine to complete bending machining. According to the inner claw locking gasket bending device, the bending work of a certain type of airplane inner claw locking gasket can be met, the problems of low bending efficiency and unstable bending quality are solved, and the bending production efficiency and various size index requirements of the inner claw locking gasket are improved.

Description

Technical Field

[0001] This utility model belongs to the field of aviation repair technology and relates to a bent device for an aircraft internal claw stop gasket. Background Technology

[0002] When manufacturing the inner jaw stop washer for a certain type of aircraft, operators use bending tools such as vises and shims for bending. During the bending process, continuous measurement and correction of the bending dimensions are required to ensure the inner jaw stop washer meets the requirements. This method has the following disadvantages: First, the bending process requires multiple bending and measurement operations, relying on manual labor, resulting in low work efficiency; second, the product dimensions cannot be guaranteed during bending, leading to substandard values, a high defect rate, and multiple bending operations can affect product performance. Utility Model Content

[0003] This invention provides a bending device for the inner claw stop shim of an aircraft, which can solve the shortcomings of the existing technology.

[0004] The present invention adopts the following technical solution:

[0005] A bending device for an aircraft internal claw stop pad includes: a bending mold base 1, a bending mold female mold 2, a bending mold male mold 3, and a buffer pad 4.

[0006] The bending die base 1 has a central column with a cross-section that is a large circle cut along a straight line. A groove is formed at the top of the column for positioning during stamping. The buffer pad 4 is annular, with its inner hole set according to the outer diameter of the column of the bending die base 1. The buffer pad 4 is fitted onto the column of the bending die base 1, and its quantity is set as needed. The bending die female mold 2 is a concave mold with an outer contour identical to the inner claw stop washer. Its surface is designed according to the final surface of the inner claw stop washer. The bending die female mold 2 has a central through hole with a cross-sectional shape identical to the cross-sectional shape of the column of the bending die base 1. The bending die female mold 2 is positioned above the buffer pad 4. The male mold 3 is fitted onto the column of the bending mold base 1 and slides in fit. The two are matched by their surface shapes to achieve movement limitation. The outer contour of the male mold 3 is the same as that of the female mold 2. A boss is made at the center of its lower surface as a punch. The bottom surface of the boss is designed according to the final surface of the inner claw stop washer, which is used to cooperate with the female mold 2 to achieve the bending of the inner claw stop washer. A through hole is also made at the center of the male mold 3. The cross-sectional shape of the through hole is the same as that of the column of the bending mold base 1. The male mold 3 is located above the female mold 2. It is fitted onto the column of the bending mold base 1 and slides in fit. The two are matched by their surface shapes to achieve movement limitation.

[0007] Furthermore, the bending mold base 1, bending mold female mold 2, and bending mold male mold 3 are made of 45# steel.

[0008] Furthermore, the buffer pad 4 is made of rubber and is used to buffer the impact pressure and the effect of the spring material.

[0009] The beneficial effects of this utility model are as follows: This utility model adopts a bending die design and manufactures a stamping device based on the structure of the inner claw stop washer, ensuring accurate product positioning and a high rate of qualified bending dimensions. This utility model incorporates a buffer pad with rubber elasticity, solving the problem of parts being unable to be removed after die stamping. Simultaneously, the buffering effect of the rubber significantly increases the number of times the die can be used. This utility model can meet the bending requirements of inner claw stop washer for a certain type of aircraft, solving the problems of low bending efficiency and unstable bending quality, and improving the production efficiency and dimensional requirements of inner claw stop washer bending. Attached Figure Description

[0010] Figure 1 The above is the overall structure of this utility model, wherein (a) is an overall schematic diagram and (b) is a sectional view.

[0011] Figure 2 This is a schematic diagram of a curved mold base, where (a) is the front view and (b) is the side view.

[0012] Figure 3 This is a schematic diagram of a bending die, where (a) is the front sectional view and (b) is the side view.

[0013] Figure 4 This is a schematic diagram of a bending die male mold, where (a) is the front sectional view and (b) is the side view.

[0014] Figure 5 This is a schematic diagram of a cushioning pad, where (a) is the front view and (b) is the side view.

[0015] Among them, 1 is the right base; 2 is the left base; 3 is the middle base; and 4 is the limiting block. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the specific embodiments of this utility model will be described in detail below.

[0017] A bent-type device for an aircraft internal claw stop washer, such as Figure 1 As shown, it includes: a bending mold base 1, a bending mold female mold 2, a bending mold male mold 3, and a buffer pad 4. Among them, the bending mold base 1, the bending mold female mold 2, and the bending mold male mold 3 are made of No. 45 steel, and the buffer pad 4 is made of rubber.

[0018] like Figure 2 As shown, the curved die base 1 has a central column with a cross-section that is a large circle cut along a straight line. A groove is formed at the top of the column for positioning during stamping. Figure 5As shown, the buffer pad 4 is annular, and its inner hole is set according to the outer diameter of the column of the bending mold base 1. The buffer pad 4 is fitted onto the column of the bending mold base 1, and its number is set as needed. In this embodiment, there are a total of 4 buffer pads 4; Figure 3 As shown, the bending die 2 is a concave die, and its outer contour is the same as that of the inner claw stop washer. Its surface is designed according to the final surface of the inner claw stop washer. A through hole is made in the center of the bending die 2, and the cross-sectional shape of the through hole is the same as that of the column of the bending die base 1. The bending die 2 is placed above the buffer pad 4, and it is fitted onto the column of the bending die base 1 and slides in fit. The two achieve movement limitation through the fit of their surfaces; as Figure 4 As shown, the outer contour of the bending die male mold 3 is the same as that of the bending die female mold 2. A boss is made at the center of its lower surface as a punch. The bottom surface of the boss is designed according to the final surface of the inner claw stop washer, which is used to cooperate with the bending die female mold 2 to realize the bending of the inner claw stop washer. A through hole is also made in the center of the bending die male mold 3. The cross-sectional shape of the through hole is the same as the cross-sectional shape of the column of the bending die base 1. The bending die male mold 3 is located above the bending die female mold 2. It is fitted on the column of the bending die base 1 and slides. The two achieve movement limit through the surface cooperation.

[0019] In use, the bending die base 1 is fixed on the worktable of the stamping machine and positioned by the groove at the top of the column of the bending die base 1. Four buffer pads 4 are sequentially placed on the column of the bending die base 1, and then the bending die female die 2 is placed on it. The inner claw stop washer is placed on the bending die female die 2. The bending die male die 3 is fixed on the slide of the stamping machine. The bending die male die 3 moves downward and is placed on the column of the bending die base 1. It continues to move downward to complete the stamping of the inner claw stop washer. After the forming is completed, the bending die male die 3 is lifted. Under the elastic action of the buffer pads 4, the inner claw stop washer pops out.

[0020] In summary, the above are merely preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A bent-type device for an aircraft inner claw stop washer, characterized in that, include: Bending mold base (1), bending mold female mold (2), bending mold male mold (3); The curved mold base (1) has a central column with a cross-section that is a large circle cut by a straight line; the curved mold female mold (2) is a concave mold with an outer contour that is the same as the inner claw stop washer, and its surface is designed according to the final surface of the inner claw stop washer. The curved mold female mold (2) has a central through hole with a cross-sectional shape that is the same as the cross-sectional shape of the column of the curved mold base (1). It is fitted onto the column of the curved mold base (1) and slides in fit. The two achieve motion limitation through surface fit; the curved mold The outer contour of the male mold (3) is the same as that of the female mold (2) of the bending mold. A boss is made at the center of its lower surface as a punch. The bottom surface of the boss is designed according to the final surface of the inner claw stop washer, which is used to cooperate with the female mold (2) of the bending mold to realize the bending of the inner claw stop washer. A through hole is also made in the center of the male mold (3) of the bending mold. The cross-sectional shape of the through hole is the same as the cross-sectional shape of the column of the bending mold base (1). The male mold (3) of the bending mold is fitted on the column of the bending mold base (1) and slides. The two achieve motion limit through the surface cooperation.

2. The bending device for the aircraft inner claw stop shim according to claim 1, characterized in that, The top of the column of the curved die base (1) is grooved for positioning during stamping.

3. A bending device for an aircraft inner claw stop shim according to claim 1 or 2, characterized in that, The curved mold base (1), curved mold female mold (2), and curved mold male mold (3) are made of steel.

4. The bending device for the aircraft inner claw stop shim according to claim 1, characterized in that, The inner claw stop pad bending device is also provided with a buffer pad (4), which is annular and its inner hole is set according to the outer diameter of the column of the bending die base (1). The buffer pad (4) is sleeved on the column of the bending die base (1) and located below the bending die female mold (2) to buffer the stamping pressure and assist the inner claw stop pad to be removed after forming.

5. The bending device for the aircraft inner claw stop shim according to claim 4, characterized in that, The buffer pad (4) is made of rubber.

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