A multi-jaw adaptive chuck for machining thin-walled aerospace parts

Abstract

This utility model relates to the field of aerospace thin-walled component manufacturing technology, and particularly to a multi-jaw adaptive chuck for machining aerospace thin-walled components. The following solution is adopted: A multi-jaw adaptive chuck for machining aerospace thin-walled components includes a power mechanism, a drive arm, and a flexible chuck; the drive arm and the power mechanism are connected by a transmission mechanism for power transmission between the power mechanism and the flexible chuck; the flexible chuck is fixedly mounted on the drive arm for gripping the aerospace thin-walled component. This utility model provides a multi-jaw adaptive chuck for machining aerospace thin-walled components, solving the technical problem that existing chucks easily damage aerospace thin-walled components when gripping and fixing them.

Description

Technical Field

[0001] This utility model relates to the field of aerospace thin-walled parts manufacturing technology, and in particular to a multi-jaw adaptive chuck for processing aerospace thin-walled parts. Background Technology

[0002] Aerospace thin-walled components are key parts with thin-walled structures used in spacecraft. They are characterized by a wall thickness that is much smaller than the overall size and are often used to reduce weight while meeting strength and stiffness requirements.

[0003] During the processing and transportation of aerospace thin-walled components, chucks are needed to grip them or to secure them. However, most existing chucks are made of rigid structures, which can easily damage the thin-walled components during gripping and securing due to their fragility. Utility Model Content

[0004] This invention provides a multi-jaw adaptive chuck for machining aerospace thin-walled parts, which solves the technical problem that existing chucks are prone to damaging aerospace thin-walled parts when gripping and fixing them.

[0005] To achieve this technical objective, the present invention adopts the following solution: a multi-jaw adaptive chuck for machining aerospace thin-walled parts, comprising a power mechanism, a drive arm, and a flexible chuck;

[0006] The drive arm and the power mechanism are connected by a transmission mechanism for power transmission between the power mechanism and the flexible chuck.

[0007] The flexible gripper is fixedly mounted on the drive arm and is used to grip thin-walled aerospace components.

[0008] Furthermore, the power mechanism is a drive cylinder, and a connecting plate is fixedly provided at the bottom of the fixed end of the drive cylinder, and hinge seats are fixedly provided on the two opposite sides of the connecting plate.

[0009] A push plate is fixed at the bottom of the moving end of the drive cylinder.

[0010] Furthermore, each set of drive arms includes two drive arms arranged symmetrically, and each drive arm includes a connecting arm and an L-shaped rotating arm;

[0011] One end of the connecting arm is rotatably connected to the hinge seat, and the other end of the connecting arm is rotatably connected to one end of the L-shaped rotating arm;

[0012] The middle part of the L-shaped rotating arm is rotatably connected to the push plate, and the other end of the L-shaped rotating arm is fixed with a flexible clamp.

[0013] Furthermore, the flexible clamp includes an integrally formed flexible fixing rod, a flexible connecting post, and a clamp body;

[0014] One end of the flexible fixing rod is fixedly connected to the end of the L-shaped rotating arm away from the connecting arm;

[0015] A flexible connecting post is provided on the side of the other end of the flexible fixing rod;

[0016] The flexible connecting column has a clamp body at the end away from the flexible fixing rod, and the two clamp bodies are arranged opposite each other.

[0017] Furthermore, the two sets of drive arms are distributed symmetrically.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] This utility model discloses a multi-jaw adaptive chuck for machining aerospace thin-walled parts. The chuck is flexible. When the flexible chuck begins to contact and compress the aerospace thin-walled part, the flexible chuck will deform. Compared with the traditional rigid chuck, the force between the chuck and the aerospace thin-walled part changes more slowly, thereby preventing the chuck from damaging the aerospace thin-walled part. Attached Figure Description

[0020] Figure 1 A schematic diagram of a multi-jaw adaptive chuck for machining thin-walled aerospace parts provided for an embodiment of this utility model;

[0021] Figure 2 This is another schematic diagram of a multi-jaw adaptive chuck for machining thin-walled aerospace parts, provided as an embodiment of the present invention.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Power mechanism; 11. Connecting plate; 12. Hinge seat; 13. Push plate; 2. Drive arm; 21. Connecting arm; 22. L-shaped rotating arm; 3. Flexible chuck; 31. Flexible fixing rod; 32. Flexible connecting column; 33. Chuck body. Detailed Implementation

[0024] To fully understand the purpose, features and effects of this utility model, the following specific embodiments will be used to describe this utility model in detail, but this utility model is not limited thereto.

[0025] like Figures 1 to 2 As shown, this utility model provides a multi-jaw adaptive chuck for machining thin-walled aerospace parts, comprising a power mechanism 1, a drive arm 2, and a flexible chuck 3. In this embodiment, the power mechanism 1 can be a drive cylinder. A connecting plate 11 is fixedly mounted on the bottom of the fixed end of the drive cylinder, and hinge seats 12 are fixedly mounted on two opposite sides of the connecting plate 11. In this embodiment, two spaced-apart hinge seats 12 are fixedly mounted on one side of the connecting plate 11. A push plate 13 is fixedly mounted on the bottom of the movable end of the drive cylinder.

[0026] The drive arm 2 and the power mechanism 1 are connected by a transmission mechanism for power transmission between the power mechanism 1 and the flexible clamp 3. Figure 1 For example, each set of drive arms 2 includes two drive arms 2 symmetrically arranged and spaced apart from each other on the left and right. Each drive arm 2 includes a connecting arm 21 and an L-shaped rotating arm 22. One end of the connecting arm 21 is rotatably connected to the hinge seat 12, and the other end of the connecting arm 21 is rotatably connected to one end of the L-shaped rotating arm 22. The middle part of the L-shaped rotating arm 22 is rotatably connected to the push plate 13, and the other end of the L-shaped rotating arm 22 is fixedly provided with a flexible clamp 3. It can be understood that each drive arm 2 is equipped with a corresponding flexible clamp 3.

[0027] by Figure 1 For example, in this embodiment, there are two sets of drive arms 2, which are arranged on the connecting plate 11 in a back-to-back manner.

[0028] A flexible gripper 3 is fixedly mounted on the drive arm 2 for gripping thin-walled aerospace components. The flexible gripper 3 includes an integrally formed flexible fixing rod 31, a flexible connecting post 32, and a gripper body 33. One end of the flexible fixing rod 31 is fixedly connected to the end of the L-shaped rotating arm 22 away from the connecting arm 21. The flexible connecting post 32 is located on the side of the other end of the flexible fixing rod 31. The gripper body 33 is located at the end of the flexible connecting post 32 away from the flexible fixing rod 31, and two gripper bodies 33 on the two drive arms 2 in the same group are arranged opposite each other.

[0029] by Figure 1 For example, in use, first fix the power mechanism 1 in the predetermined position, then start the power mechanism 1. The power mechanism 1 extends, driving the push plate 13 to move downwards. The push plate 13 drives the middle part of the L-shaped rotating arm 22 to move downwards. During this process, the left L-shaped rotating arm 22 rotates clockwise, and the right L-shaped rotating arm 22 rotates counterclockwise. The L-shaped rotating arm 22 drives the flexible fixing rod 31 to rotate, thereby moving the two opposing clamp bodies 33 away from each other. Then, move the aerospace thin-walled component between the two clamp bodies 33, and start the power mechanism 1 again. The power mechanism 1 shortens, driving the push plate 13 to move upwards. The push plate 13 drives the middle part of the L-shaped rotating arm 22 to move upwards. During this process, the left L-shaped rotating arm 22 rotates counterclockwise, and the right L-shaped rotating arm 22 rotates clockwise. This, in turn, drives the flexible fixing rod 31 to rotate, causing the two opposing clamp bodies 33 to move closer to each other. During this process, the aerospace thin-walled component is clamped between two clamp bodies 33. As the two clamp bodies 33 approach each other, the flexible fixing rod 31 begins to bend, thereby preventing the clamp bodies 33 from exerting excessive pressure on the aerospace thin-walled component and thus preventing damage to the aerospace thin-walled component.

[0030] By setting up two sets of drive arms 2, each set of drive arms 2 is equipped with a corresponding flexible gripper 3, multiple flexible grippers 3 can be used to complete the operation when gripping and fixing a thin-walled aerospace component, further improving gripping stability. By setting up the gripper body 33, the contact area with the thin-walled aerospace component can be increased, thereby improving gripping reliability.

[0031] The chuck body 33 can be made of silicone, and the flexible fixing rod 31 and the flexible connecting post 32 can be made of silicone with an internal skeleton structure.

[0032] Finally, it should be noted that the above-listed embodiments are merely preferred embodiments of the present invention. Of course, those skilled in the art can make modifications and variations to the present invention. If such modifications and variations fall within the scope of the claims of the present invention and their equivalents, they should be considered as being within the protection scope of the present invention.

Claims

1. A multi-jaw adaptive chuck for machining thin-walled aerospace parts, characterized in that, Includes a power mechanism (1), a drive arm (2), and a flexible clamp (3); The drive arm (2) and the power mechanism (1) are connected by a transmission for power transmission between the power mechanism (1) and the flexible clamp (3); The flexible gripper (3) is fixedly mounted on the drive arm (2) and is used to grip aerospace thin-walled parts.

2. The multi-pincer self-adaptive chuck for processing aerospace thin-walled parts according to claim 1, characterized in that, The power mechanism (1) is a drive cylinder. A connecting plate (11) is fixedly provided at the bottom of the fixed end of the drive cylinder. A hinge seat (12) is fixedly provided on two opposite sides of the connecting plate (11). A push plate (13) is fixedly provided at the bottom of the movable end of the drive cylinder.

3. The multi-pincer self-adaptive chuck for machining aerospace thin-walled parts according to claim 2, characterized in that, Each set of drive arms (2) includes two drive arms (2) arranged symmetrically, and each drive arm (2) includes a connecting arm (21) and an L-shaped rotating arm (22); One end of the connecting arm (21) is rotatably connected to the hinge seat (12), and the other end of the connecting arm (21) is rotatably connected to one end of the L-shaped rotating arm (22); The middle part of the L-shaped rotating arm (22) is rotatably connected to the push plate (13), and the other end of the L-shaped rotating arm (22) is fixed with a flexible clamp (3).

4. The multi-pincer self-adaptive chuck for machining aerospace thin-walled parts according to claim 3, characterized in that, The flexible clamp (3) includes an integrally formed flexible fixing rod (31), a flexible connecting post (32), and a clamp body (33); One end of the flexible fixing rod (31) is fixedly connected to the end of the L-shaped rotating arm (22) away from the connecting arm (21); The flexible connecting post (32) is provided on the side of the other end of the flexible fixing rod (31); The flexible connecting column (32) is provided with the clamp body (33) at one end away from the flexible fixing rod (31), and the two clamp bodies (33) are arranged opposite to each other.

5. A multi-jaw adaptive chuck for machining aerospace thin-walled parts according to claim 3 or 4, characterized in that, The two sets of drive arms (2) are distributed symmetrically.

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