Trimming clamp for aircraft skin

Abstract

The utility model discloses an aircraft skin trimming fixture which comprises a guide mechanism, a connecting assembly and a cutter fixing mechanism, the guide mechanism comprises a first guide piece and a second guide piece, a first guide wheel is arranged on the side face of the first guide piece, the second guide piece is connected with the first guide piece, and a second guide wheel is arranged on the side face of the second guide piece. The first guide wheel and the second guide wheel are arranged at an interval and limit the aircraft skin; the connecting assembly is arranged above the first guiding piece and connected with the first guiding piece, and the cutter fixing mechanism is arranged on the side face of the connecting assembly and used for fixing a cutter; the first guide wheel and the abutting wheel are arranged on the first guide part, the second guide wheel is arranged on the second guide part, the cutter is arranged above the first guide part, the aircraft skin is clamped and limited through the first guide part and the second guide part, the cutter can accurately cut the edge of the aircraft skin, the overall structure of the clamp is small, and the cutting efficiency is high. The occupied space is small and the operation is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of aircraft skin processing, and in particular relates to an edge trimming fixture for aircraft skin. Background Art

[0002] During the processing of aircraft skin, it is usually necessary to go through processes such as pressing, rolling, forming, and cutting. When cutting the aircraft skin, the excess part of the edge needs to be cut off. The traditional cutting method is usually placed on a processing table for mechanical cutting, but due to the large size of the aircraft skin of large passenger aircraft, it is difficult to use the above cutting method; when processing and cutting larger aircraft skins, workers usually can only use hand-held cutting tools to perform cutting operations, with poor cutting accuracy, and repeated grinding is required to meet the acceptance standards. The operation process is cumbersome and the processing efficiency is low. Utility Model Content

[0003] The utility model aims to provide an edge trimming fixture for aircraft skin, which has a compact and light structure and can limit the edge of the aircraft and adjust the length of the cutter, so as to accurately and conveniently cut and remove the edge of the aircraft skin.

[0004] The utility model is realized by the following technical solutions:

[0005] A trimming fixture for aircraft skin, comprising a guide mechanism, a connecting assembly and a tool fixing mechanism, wherein the guide mechanism comprises a first guide member and a second guide member, wherein the first guide member is provided with at least one first guide wheel on its side, the second guide member is connected to the first guide member, a second guide wheel is provided on the side of the second guide member, the first guide wheel and the second guide wheel are spaced apart and limit the aircraft skin; the connecting assembly is arranged above the first guide member and connected to the first guide member, the tool fixing mechanism is arranged on the side of the connecting assembly, and the tool fixing mechanism is used to fix the tool.

[0006] Furthermore, a limiting wheel is arranged on the first guide member, the limiting wheel is vertically arranged between the first guide wheel, and the limiting wheel abuts against the edge of the aircraft skin.

[0007] Furthermore, the connecting assembly includes a first connecting member and a second connecting member, the first connecting member is connected to the first guide member, the second connecting member is arranged above the first connecting member, and the second connecting member is connected to the tool fixing mechanism.

[0008] Furthermore, the tool fixing mechanism includes a fixing piece, which is plug-fittedly connected to the second connecting piece and fixed by two bolts. The second connecting piece is provided with a waist-shaped hole, and the two bolts cooperate with the waist-shaped hole.

[0009] Furthermore, the fixing member is provided with a first clamping member and a second clamping member, the first clamping member is arranged at the top of the fixing member, the second clamping member is arranged at the bottom of the fixing member, the first clamping member and the second clamping member are respectively hinged to the fixing member and fixed by a slipknot screw; the first clamping member and the second clamping member are respectively provided with clamping surfaces, the clamping surfaces are spaced apart from the surface of the fixing member, and the clamping surfaces are used to fix the tool.

[0010] Furthermore, a limiting member is provided on the fixing member, and an adjusting groove is provided on the limiting member. The limiting member is fixed to the side of the fixing member by means of screws, and the width of the adjusting groove matches the screws.

[0011] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0012] 1) In the utility model, a first guide wheel and an abutment wheel are arranged on the first guide member, a second guide wheel is arranged on the second guide member, a tool is arranged above the first guide member, and the aircraft skin is clamped and limited by the first guide member and the second guide member, so that the tool can accurately cut the edge of the aircraft skin. The overall structure of the clamp is compact, occupies little space, and is easy to operate.

[0013] 2) In the utility model, a protrusion is provided on the second connecting member, and a slide groove is provided on the back of the fixing member. The protrusion and the slide groove are plug-fitted and connected, so that the fixing member can be adjusted up and down on the second connecting member, thereby adjusting the cutting depth of the tool on the aircraft skin. The structure is simple, and the tool is easy to adjust during the cutting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 The utility model is a schematic diagram of the structure of the cutting tool assembly of the trimming fixture of the aircraft skin.

[0016] Figure 2 This is a schematic structural diagram of another viewing angle of the edge trimming fixture for aircraft skin of the utility model.

[0017] Figure 3 It is a schematic diagram of the assembly structure of the second connecting member and the fixing member in the utility model.

[0018] Figure 4 It is a structural schematic diagram of the fixing member in the utility model.

[0019] Among them: 1-first guide member, 11-first guide wheel, 12-limiting wheel, 2-second guide member, 21-second guide wheel, 3-first connecting member, 4-second connecting member, 41-waist-shaped hole, 42-bump, 5-fixing member, 51-first clamping member, 52-second clamping member, 53-limiting member, 531-adjusting groove, 54-slide groove, 6-tool, 7-aircraft skin. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0021] Embodiment 1:

[0022] A trimming fixture for aircraft skin 7, such as Figure 1 and Figure 2 As shown, it includes a guiding mechanism, a connecting assembly and a tool fixing mechanism, the guiding mechanism includes a first guide member 1 and a second guide member 2, the first guide member 1 side is provided with at least one first guide wheel 11, the second guide member 2 is connected to the first guide member 1, the second guide member 2 is provided with a second guide wheel 21 on the side, the first guide wheel 11 and the second guide wheel 21 are arranged at intervals and limit the aircraft skin 7; the connecting assembly is arranged above the first guide member 1 and connected to the first guide member 1, the tool fixing mechanism is arranged on the side of the connecting assembly, and the tool fixing mechanism is used to fix the tool 6; the first guide member 1 is provided with a limiting wheel 12, the limiting wheel 12 is vertically arranged between the first guide wheel 11, and the limiting wheel 12 abuts against the edge of the aircraft skin 7.

[0023] The guide mechanism comprises a first guide member 1 and a second guide member 2, the second guide member 2 is fixedly connected to the first guide member 1 by screws, two first guide wheels 11 are arranged on the side of the first guide member 1, and a second guide wheel 21 is arranged on the side of the second guide member 2, the first guide wheel 11 and the second guide wheel 21 are arranged at intervals, and the aircraft skin 7 is clamped in the middle, and at the same time, a group of limiting wheels 12 are arranged on the first guide wheel 11 above the edge of the aircraft skin 7, and the limiting wheels 12 abut against the edge of the aircraft skin 7. When the guide mechanism is pushed forward, the first guide wheel 11 and the second guide wheel 21 clamp and limit the aircraft skin 7, and the limiting wheels 12 abut and slide against the edge of the aircraft skin 7, which is convenient for pushing and cutting; the connecting component is arranged above the first guide member 1, and the connecting component and the first guide member 1 are also connected and fixed by screws. A tool fixing mechanism is arranged on the side of the connecting component, and the tool fixing mechanism is used to fix the tool 6. The end of the tool 6 is arranged at a position close to the edge of the aircraft skin 7, and the tool head of the tool 6 is spaced from the first guide member 1.

[0024] Embodiment 2:

[0025] Based on the above embodiments, this embodiment further defines the connection components, such as Figure 1 and Figure 3 As shown, the connecting assembly includes a first connecting member 3 and a second connecting member 4, wherein the first connecting member 3 is connected to the first guide member 1, and the second connecting member 4 is arranged above the first connecting member 3, and the second connecting member 4 is connected to the tool fixing mechanism.

[0026] The connecting assembly includes a first connecting member 3 and a second connecting member 4, the first connecting member 3 is arranged above the first guide member 1 and connected to the first guide member 1, the second connecting member 4 is plug-connected to the first connecting member 3 and fixed by screws, a connecting surface is provided on one side of the second connecting member 4, a convex block 42 is provided on the connecting surface, the convex block 42 is used to fix the tool fixing mechanism with the tool 6, and the tool fixing mechanism can be slidably adjusted on the second connecting member 4. The other parts of the embodiment are the same as the above embodiment, and will not be repeated here.

[0027] Embodiment 3:

[0028] Based on the above embodiment, this embodiment further defines the tool fixing mechanism, such as Figure 1 and Figure 4As shown, the tool fixing mechanism includes a fixing member 5, which is plug-fitted and connected to the second connecting member 4 and fixed by two bolts, and the second connecting member 4 is provided with a waist-shaped hole 41, and the two bolts cooperate with the waist-shaped hole 41; the fixing member 5 is provided with a first clamping member and a second clamping member 52, the first clamping member 51 is arranged at the top of the fixing member 5, and the second clamping member 52 is arranged at the bottom of the fixing member 5, the first clamping member 51 and the second clamping member 52 are respectively hinged to the fixing member 5 and fixed by a slipknot screw; the first clamping member 51 and the second clamping member 52 are respectively provided with clamping surfaces, and the clamping surfaces are spaced apart from the surface of the fixing member 5, and the clamping surfaces are used to fix the tool 6; the fixing member 5 is provided with a limiting member 53, and the limiting member 53 is provided with an adjusting groove 531, and the limiting member 53 is fixed to the side of the fixing member 5 by screws, and the width of the adjusting groove 531 cooperates with the screws.

[0029] The tool fixing mechanism includes a fixing member 5, which is connected to the connecting surface of the second connecting member 4. A slide groove 54 is arranged on the back of the fixing member 5, and a protrusion 42 is arranged on the second connecting member 4. The slide groove 54 is plug-fitted and connected with the protrusion 42. At the same time, a waist-shaped hole 41 is arranged on the second connecting member 4. Two bolts pass through the waist-shaped hole 41 to fix the fixing member 5 on the second connecting member 4. The fixing member 5 can be adjusted up and down on the second connecting member 4 through the waist-shaped hole 41; a first clamping member 51, a second clamping member 52 and a limit member 53 are arranged on the outside of the fixing member 5, and the limit member 53 is arranged on the first clamping member 5 1 and the second clamping member 52, the first clamping member 51 and the second clamping member 52 are respectively hinged to the fixing member 5, and the first clamping member 51 and the second clamping member 52 are provided with a concave clamping surface, and the clamping surface is used to make way for the tool 6; the limiting member 53 is preferably an L-shaped structural member, the limiting member 53 is connected to the side of the fixing member 5, and the side of the limiting member 53 is provided with an adjustment groove 531, and the limiting member 53 is fixed to the side of the fixing member 5 after the screw is inserted into the adjustment groove 531, and the limiting member 53 can be adjusted forward and backward through the adjustment groove 531, so as to adapt to the width of the tool 6 and clamp the tool 6 on the fixing member 5. The other parts of this embodiment are the same as the above embodiment, and will not be repeated here.

[0030] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. used to indicate the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the utility model product is usually placed when used. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0031] In addition, if the terms "horizontal" or "vertical" appear in the description of the present invention, it does not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A trimming fixture for aircraft skin, characterized in that: It includes a guiding mechanism, a connecting assembly and a tool fixing mechanism, wherein the guiding mechanism includes a first guiding member and a second guiding member, wherein the first guiding member side is provided with at least one first guiding wheel, the second guiding member is connected to the first guiding member, a second guiding wheel is provided on the side of the second guiding member, the first guiding wheel and the second guiding wheel are spaced apart and limit the aircraft skin; the connecting assembly is arranged above the first guiding member and connected to the first guiding member, the tool fixing mechanism is arranged on the side of the connecting assembly, and the tool fixing mechanism is used to fix the tool.

2. The aircraft skin trimming fixture as claimed in claim 1, characterized in that: The first guide member is provided with a limiting wheel, the limiting wheel is vertically arranged between the first guide wheel, and the limiting wheel abuts against the edge of the aircraft skin.

3. The aircraft skin trimming fixture as claimed in claim 1, characterized in that: The connecting assembly includes a first connecting member and a second connecting member, wherein the first connecting member is connected to the first guide member, and the second connecting member is arranged above the first connecting member, and the second connecting member is connected to the tool fixing mechanism.

4. The aircraft skin trimming fixture as claimed in claim 3, characterized in that: The tool fixing mechanism comprises a fixing member, which is plug-fittedly connected to a second connecting member and fixed by two bolts. A waist-shaped hole is provided on the second connecting member, and the two bolts are matched with the waist-shaped hole.

5. The aircraft skin trimming fixture as claimed in claim 4, characterized in that: The fixing member is provided with a first clamping member and a second clamping member, wherein the first clamping member is arranged at the top of the fixing member, and the second clamping member is arranged at the bottom of the fixing member, and the first clamping member and the second clamping member are respectively hinged to the fixing member and fixed by a slipknot screw; the first clamping member and the second clamping member are respectively provided with clamping surfaces, which are spaced apart from the surface of the fixing member, and the clamping surfaces are used to fix the tool.

6. The aircraft skin trimming fixture as claimed in claim 5, characterized in that: The fixing member is provided with a limiting member, and the limiting member is provided with an adjusting slot. The limiting member is fixed to the side surface of the fixing member by means of screws, and the width of the adjusting slot matches the screws.

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