A five-axis linkage milling fixture for aircraft titanium alloy cabin door connectors

Abstract

This utility model relates to the field of milling fixture technology and discloses a five-axis linkage milling fixture for aerospace titanium alloy cabin door connectors. It includes a milling fixture mounting base with a limiting groove inside. A guide moving seat is fitted inside the milling fixture mounting base, and a main clamping seat is connected to the top of the guide moving seat. The device is equipped with a limiting stabilizing mechanism. The limiting support plate provides additional support to the outside of the main clamping seat, which can share some of the lateral cutting force generated by the tool during side milling, enhancing the rigidity and stability of the fixture system. Simultaneously, the side limiting ensures the repeatability of the clamping reference. By providing a reinforcement mechanism, after the limiting support plate and the main clamping seat are fixedly connected, the position of the reinforcement plate can be easily fixed. The reinforcement plate reinforces the outside of the connecting pad, simultaneously improving the connection stability between the main clamping seat and the limiting support plate.

Description

Technical Field

[0001] This utility model relates to the field of milling fixture technology, specifically a five-axis linkage milling fixture for aviation titanium alloy cabin door connectors. Background Technology

[0002] Aerospace titanium alloy cabin door connectors are key load-bearing components that transfer loads between aircraft cabin doors and the fuselage structure. They typically refer to cabin door hinges, locking mechanism mounting seats, stop blocks, and various brackets, trays, angle brackets, mounting bosses, and other parts connected to the surrounding structure. Five-axis linkage milling fixtures are precision tooling specifically designed for milling aerospace titanium alloy cabin door connectors on five-axis linkage machining centers.

[0003] However, in existing milling fixtures, the connecting parts are held in place by a main clamping seat. During milling, especially when milling the sides, the cutting tool generates a large lateral cutting force, causing the clamping seat to slightly translate or slide on the base. Therefore, those skilled in the art have provided a five-axis linkage milling fixture for aerospace titanium alloy cabin door connecting parts to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to provide a five-axis linkage milling fixture for aviation titanium alloy cabin door connectors, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A five-axis linkage milling fixture for aerospace titanium alloy cabin door connectors includes a milling fixture mounting base. The mounting base has a limiting groove inside. A guide moving seat is fitted inside the mounting base. A main clamping seat is connected to the top of the guide moving seat. An adjustment knob is fitted inside the guide moving seat. A limiting stabilizing mechanism is provided on the outer side of the main clamping seat, and a reinforcement mechanism is installed on the top of the limiting stabilizing mechanism.

[0007] The limiting and stabilizing mechanism includes a limiting support plate, a fixed housing is fixed to one side of the limiting support plate, a support spring is fixed to the inner wall of one side of the fixed housing, a movable plate is connected to one end of the support spring, a pressing plate is fixed to one side of the movable plate and extends through the other side, a fixed threaded post is fixed to one side of the movable plate, a handle pad is installed at one end of the fixed threaded post, and a metal nut is threaded to the outer side of the fixed threaded post.

[0008] As a further embodiment of this utility model: the reinforcing mechanism includes a guide sleeve, one side of which is slidably connected to an anti-detachment slider via a groove, a handle is fixed to the top of the anti-detachment slider, a reinforcing plate is fixed to the outside of the anti-detachment slider, and a connecting pad is fixed to the top of the limiting support plate.

[0009] As a further embodiment of this utility model: a limiting sleeve is fixed on the outer side of the connecting pad, a mounting threaded post is installed on the outer side of the connecting pad, and a limiting nut is threadedly connected to the outer side of the mounting threaded post.

[0010] As a further improvement of this utility model: the guide sleeve and the main clamping seat are fixedly connected, and the reinforcing plate is movably sleeved on the outside of the mounting threaded column.

[0011] As a further improvement of this utility model: the limiting support plate and the fixed housing are provided with a through groove to accommodate the movement of the extrusion plate, and one side of the extrusion plate is in contact with the outer side of the milling fixture mounting base.

[0012] As a further improvement of this utility model, a limiting hole is provided inside the fixed housing, the size of which is adapted to the size of the fixed threaded post.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This device is equipped with a limit stabilizing mechanism. The metal nut on the outside of the fixed threaded column plays the role of adjusting and limiting the position of the fixed threaded column and the extrusion plate, avoiding excessive extrusion of the milling fixture mounting seat by one side of the extrusion plate. The limit support plate provides additional support to the outside of the main clamping seat, which can share some of the lateral cutting force generated by the tool during side milling, enhancing the rigidity and stability of the fixture system. At the same time, the side limit ensures the repeatability of the clamping reference.

[0015] 2. With the reinforcement mechanism, the position of the reinforcement plate can be easily fixed after the limit support plate and the main clamping seat are fixedly connected. The reinforcement plate reinforces the outside of the connecting pad, thereby improving the connection stability between the main clamping seat and the limit support plate. Attached Figure Description

[0016] Figure 1 A perspective view of a five-axis linkage milling fixture for aerospace titanium alloy cabin door connectors;

[0017] Figure 2 This is a schematic diagram of the limiting and stabilizing mechanism in a five-axis linkage milling fixture for an aerospace titanium alloy cabin door connector.

[0018] Figure 3 This is a schematic diagram of the internal structure of a fixed housing in a five-axis linkage milling fixture for an aerospace titanium alloy cabin door connector.

[0019] Figure 4 This is a schematic diagram of the reinforcement mechanism in a five-axis linkage milling fixture for an aerospace titanium alloy cabin door connector.

[0020] In the diagram: 1. Milling fixture mounting base; 2. Guide moving base; 3. Main clamping base; 4. Adjustment knob; 5. Limiting movable slot; 6. Limiting stabilizing mechanism; 61. Limiting support plate; 62. Fixed housing; 63. Support spring; 64. Movable plate; 65. Extrusion plate; 66. Fixed threaded post; 67. Handle pad; 68. Metal nut; 7. Reinforcing mechanism; 71. Guide sleeve; 72. Anti-disengagement slider; 73. Handle rod; 74. Reinforcing plate; 75. Connecting pad; 76. Limiting sleeve; 77. Mounting threaded post; 78. Limiting nut. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 In this embodiment of the utility model, a five-axis linkage milling fixture for aerospace titanium alloy cabin door connectors includes a milling fixture mounting base 1. The milling fixture mounting base 1 has a limiting movable groove 5 inside, a guide moving base 2 is fitted inside the milling fixture mounting base 1, a main clamping base 3 is connected to the top of the guide moving base 2, and an adjustment knob 4 is fitted inside the guide moving base 2. A limiting stabilizing mechanism 6 is provided on the outer side of the main clamping base 3, and a reinforcing mechanism 7 is installed on the top of the limiting stabilizing mechanism 6.

[0023] The limiting and stabilizing mechanism 6 includes a limiting support plate 61. A fixed housing 62 is fixed to one side of the limiting support plate 61. A support spring 63 is fixed to the inner wall of one side of the fixed housing 62. One end of the support spring 63 is connected to a movable plate 64. A pressing plate 65 penetrating through the other side is fixed to one side of the movable plate 64. A fixing threaded post 66 is fixed to one side of the movable plate 64. A handle pad 67 is installed at one end of the fixing threaded post 66. A metal nut 68 is threadedly connected to the outer side of the fixing threaded post 66. The limiting support plate 61 and the fixed housing 62 have through slots to accommodate the movement of the pressing plate 65. One side of the pressing plate 65 fits against the outer side of the milling fixture mounting base 1. A limiting hole is opened inside the fixed housing 62. The size of the limiting hole is the same as that of the fixed housing 62. The threaded post 66 is size-adapted. When using the milling fixture mounting base 1 and the main clamping base 3 to clamp and fix the aviation titanium alloy cabin door connector, the corresponding surface of the limiting support plate 61 on the outside of the main clamping base 3 is in contact with the outside of the milling fixture mounting base 1. At the same time, the support spring 63 in the fixed housing 62 provides elastic force to push the movable plate 64, so that the corresponding surface of the extrusion plate 65 is also in close contact with the milling fixture mounting base 1. The metal nut 68 on the outside of the fixed threaded post 66 plays the role of adjusting and limiting the position of the fixed threaded post 66 and the extrusion plate 65, so as to avoid excessive extrusion of one side of the extrusion plate 65 on the milling fixture mounting base 1. The limiting support plate 61 provides additional support to the outside of the main clamping base 3, which can share some of the lateral cutting force generated by the tool during side milling.

[0024] In one embodiment of this utility model, the reinforcement mechanism 7 includes a guide sleeve 71. One side of the guide sleeve 71 is slidably connected to an anti-detachment slider 72 via a groove. A handle 73 is fixed to the top of the anti-detachment slider 72. A reinforcement plate 74 is fixed to the outside of the anti-detachment slider 72. A connecting pad 75 is fixed to the top of the limiting support plate 61. A limiting sleeve 76 is fixed to the outside of the connecting pad 75. A mounting threaded post 77 is installed on the outside of the connecting pad 75. A limiting nut 78 is threadedly connected to the outside of the mounting threaded post 77. The guide sleeve 71 and the main clamping seat 3 are fixedly connected. The reinforcement plate 74 is movably sleeved on the outside of the mounting threaded post 77.

[0025] The working principle of this utility model is as follows: This device is equipped with a limiting and stabilizing mechanism 6. When using the milling fixture mounting base 1 and the main clamping base 3 to clamp and fix the aviation titanium alloy cabin door connector, the corresponding surface of the limiting support plate 61 on the outside of the main clamping base 3 is in contact with the outside of the milling fixture mounting base 1. At the same time, the support spring 63 inside the fixed housing 62 provides elastic force to push the movable plate 64, so that the corresponding surface of the extrusion plate 65 is also in close contact with the milling fixture mounting base 1. The metal nut 68 on the outside of the fixed threaded post 66 plays the role of adjusting and limiting the position of the fixed threaded post 66 and the extrusion plate 65, avoiding excessive extrusion of one side of the extrusion plate 65 on the milling fixture mounting base 1. The limiting support plate 61 provides additional support to the outside of the main clamping base 3, which can share some of the lateral cutting force generated by the tool during side milling, increasing... The rigidity and stability of the clamping system are enhanced, while the side limit ensures the repeatability of the clamping reference. With the reinforcement mechanism 7, after the limit support plate 61 and the main clamping seat 3 are fixedly connected, the corresponding surface of the connecting pad 75 on the outside of the limit support plate 61 is in contact with the outside of the main clamping seat 3. Then, the handle lever 73 is moved to move the anti-disengagement slider 72 and the reinforcement plate 74, so that the corresponding surface of the reinforcement plate 74 is in contact with the outside of the connecting pad 75, and the reinforcement plate 74 is movably sleeved on the outside of the mounting threaded post 77. Then, the limit nut 78 is threadedly connected to the reinforcement plate 74, so that the corresponding surface of the limit nut 78 is in close contact with the reinforcement plate 74, which facilitates the fixing of the position of the reinforcement plate 74. The reinforcement plate 74 reinforces the outside of the connecting pad 75, and at the same time improves the connection stability between the main clamping seat 3 and the limit support plate 61.

[0026] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. An aero titanium alloy door connecting piece five-axis linkage milling fixture, comprising a milling fixture mounting seat (1), characterized in that, The milling fixture mounting base (1) has a limiting movable groove (5) inside. A guide moving base (2) is installed inside the milling fixture mounting base (1). A main clamping base (3) is connected to the top of the guide moving base (2). An adjustment knob (4) is installed inside the guide moving base (2). A limiting stabilizing mechanism (6) is provided on the outside of the main clamping base (3). A reinforcing mechanism (7) is installed on the top of the limiting stabilizing mechanism (6). The limiting and stabilizing mechanism (6) includes a limiting support plate (61), a fixed housing (62) is fixed on one side of the limiting support plate (61), a support spring (63) is fixed on the inner wall of one side of the fixed housing (62), a movable plate (64) is connected to one end of the support spring (63), a pressing plate (65) is fixed on one side of the movable plate (64) and extends through the other side, a fixed threaded post (66) is fixed on one side of the movable plate (64), a handle pad (67) is installed on one end of the fixed threaded post (66), and a metal nut (68) is threadedly connected to the outer side of the fixed threaded post (66).

2. The five-axis linkage milling fixture for aero titanium alloy door connecting piece according to claim 1, characterized in that, The reinforcement mechanism (7) includes a guide sleeve (71), one side of which is slidably connected to an anti-detachment slider (72) via a groove. A handle (73) is fixed to the top of the anti-detachment slider (72), a reinforcement plate (74) is fixed to the outside of the anti-detachment slider (72), and a connecting pad (75) is fixed to the top of the limiting support plate (61).

3. The five-axis linkage milling fixture for aero titanium alloy door connecting piece according to claim 2, characterized in that, A limiting sleeve (76) is fixed to the outside of the connecting pad (75), and a mounting threaded post (77) is installed on the outside of the connecting pad (75). A limiting nut (78) is threadedly connected to the outside of the mounting threaded post (77).

4. A five-axis linkage milling fixture for aerospace titanium alloy cabin door connectors according to claim 2, characterized in that, The guide sleeve (71) and the main clamping seat (3) are fixedly connected, and the reinforcing plate (74) is movably sleeved on the outside of the mounting threaded column (77).

5. A five-axis linkage milling fixture for aerospace titanium alloy cabin door connectors according to claim 1, characterized in that, The limiting support plate (61) and the fixed housing (62) have through grooves inside to accommodate the movement of the extrusion plate (65), and one side of the extrusion plate (65) is in contact with the outer side of the milling fixture mounting base (1).

6. A five-axis linkage milling fixture for aerospace titanium alloy cabin door connectors according to claim 1, characterized in that, The fixed housing (62) has a limiting hole inside, the size of which is adapted to the size of the fixed threaded post (66).

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