A Portable Milling Device and Milling Method for Wall Panel Lugs

By designing a portable wall panel ear piece milling device, using the combination of brackets, pressing parts, slide rails and other components, the problem of large manual cutting errors in aircraft wall panel ear piece is solved, and a fast and accurate milling effect is achieved.

CN116652255BActive Publication Date: 2025-06-17AVIC XIAN AIRCRAFT IND GRP CO LTD
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Patent Information

Application Number
CN202310686439.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-09
Publication Date
2025-06-17
Estimated Expiration
2043-06-09

AI Technical Summary

Technical Problem

In the prior art, the manual cutting of aircraft wall panel ear pieces has problems such as large errors, uneven cutting, and inadequate cutting, making it difficult to achieve rapid and accurate milling.

Method used

A portable wall ear milling device is designed, including a bracket, a pressing member, a slide rail, a connecting plate, a tool mount, a rotating shaft, a tightening knob and an adjustment screw. Through the combination and synergy of these components, it is possible to quickly clamp and fix and accurately milling the wall ear.

Benefits of technology

The device can mill and cut wall ears quickly and accurately without drilling holes on the product. It is portable and light, simple to operate and efficient, and is suitable for milling and cutting wall ears of various sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a portable milling device and a milling method for wall panel lugs. The milling device includes a bracket, a pressing member, a slide rail, a connecting plate, a tool mounting seat, a rotating shaft, a tightening knob, an adjusting screw and a protective plate. The milling device is installed according to the position of the wall panel lugs. The bracket is placed on the wall panel, the pressing member presses the wall panel from one side, the height of the tool is adjusted by the tool mounting seat, the feed rate of the tool is adjusted by rotating the tool mounting seat, and the tool slides back and forth along the slide rail to mill off the lugs. The height position and feed rate of the tool can be quickly adjusted. The outer protective plate is made of plexiglass, which does not block the operation vision and can prevent debris from splashing everywhere. The whole device is light, safe, simple to operate and convenient to carry.
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Description

Technical Field

[0001] The present invention relates to the milling of aircraft panel lugs in the aviation manufacturing industry, and specifically to a portable device and milling method for milling aircraft panel lugs. Background Art

[0002] Panels are one of the most commonly used parts on aircraft and are widely used on the airframes of various large, medium, and small aircraft. They are essential and important parts on aircraft. Usually, panel parts will have process lugs for positioning or auxiliary positioning. After assembly, the panel lugs need to be cut off. Generally, it is manual cutting. However, due to the different placement forms of the panels, some are vertical and some are flat, and there are large errors in manual cutting. Problems such as uneven notches and incomplete cutting are likely to occur at the cutting places.

[0003] From the current situation of panel lugs, the size of the panel lugs is not large, the positions of the lugs can be on all four sides of the panel, the curvature of the panel is small, and it can be regarded as approximately flat locally, meeting the external conditions for designing a universal portable milling device for panel lugs. Summary of the Invention

[0004] In order to solve the above problems, the present invention provides a portable milling device and milling method for panel lugs, which can quickly clamp and fix the device on the panel and accurately mill the panel lugs.

[0005] A portable milling device for panel lugs includes a bracket, a pressing member, a slide rail, a connecting plate, a tool mounting seat, a rotating shaft, a tightening knob, and an adjusting screw. The bracket is in a "door" - shaped structure, and the two ends are legs with inverted U - shaped notches. One side of the inner side of the U - shaped notch is adhered with a silica gel pad, and the other side is provided with a threaded hole for cooperating with the screw in the pressing member. The U - shaped notch of the bracket is stuck on both sides of the panel to be milled. The pressing member is installed at the lower part of the two ends of the bracket in the U - shaped notch to fix the bracket and the panel to be milled. The tightening knob is installed at both ends of the upper surface of the bracket. By rotating the tightening knob, the distance between the bracket and the panel to be milled is adjusted to make the upper surface of the bracket parallel to the upper surface of the panel to be milled. The slide rail is installed along the length direction of the bracket on the other side of the upper surface of the bracket that is not close to the panel to be milled. The connecting plate is fixed on the slider of the slide rail. The tool mounting seat is on the connecting plate and is connected to the connecting plate through a rotating shaft. The milling tool is fixed on the tool mounting seat. The height of the milling tool is adjusted through the adjusting screw on the tool mounting seat. During milling, the milling tool rotates around the rotating shaft to adjust the distance between the tool and the lug, and the milling tool slides back and forth along the slide rail to achieve rapid and accurate milling of the panel lugs.

[0006] Furthermore, one side of the connecting plate is provided with a rotating shaft through - hole, above the rotating shaft mating hole is provided with a tool limiting arc - shaped oblong slot, and one side of the connecting plate is provided with a slider connection and fixing hole.

[0007] Further, the tool mounting seat has a rotating shaft through hole at one end and a tool slot at the other end. A gap is provided at the end of the tool slot, and bosses are respectively provided on both sides of the gap. A through hole is provided on one of the bosses, and a threaded hole is provided at the corresponding position on the other boss.

[0008] Using this portable milling device to mill the wall plate lugs includes the following steps:

[0009] 1. Insert the milling tool into the tool mounting seat and then adjust the adjusting screw;

[0010] 2. Let the wall plate to be milled pass through the U-shaped notch of the bracket, so that the lugs on the wall plate to be milled are in the middle position of the bracket.

[0011] 3. Rotate the tightening knobs at both ends of the upper surface of the bracket to make the upper surface of the bracket parallel to the upper surface of the wall plate to be milled, and then tighten the pressing member to fix the bracket on the wall plate to be milled;

[0012] 4. Adjust the height of the milling tool on the tool mounting seat according to the height position of the lugs;

[0013] 5. Turn on the switch of the milling tool, slide the tool along the slide rail to mill the lugs, and the feed rate of the tool can be adjusted by rotating the tool mounting seat around the rotating shaft according to the size of the lugs, so as to realize the rapid and precise milling of the wall plate lugs.

[0014] The beneficial effects of this application are as follows: A portable milling device for wall plate lugs of this application can mill wall plate lugs of various sizes, can quickly realize the clamping and fixing of the milling device without punching holes in the product, can quickly adjust the height position of the tool through the adjusting screw, can adjust the feed rate of the tool and the lugs by rotating the rotating shaft, and can realize the milling of the lugs by sliding back and forth several times. The outer protective plate is made of plexiglass, which does not block the operation vision and can prevent debris from splashing everywhere. The whole device is light, safe, simple to operate, highly efficient, and convenient to carry.

[0015] The following further describes this application in detail with reference to the accompanying drawings of the embodiments. Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of the wall plate lug milling device.

[0017] Figure 2 It is a schematic structural diagram of the wall plate lug milling device fixed on the wall plate to be milled after installing the tool.

[0018] Figure 3 It is a schematic diagram of the bracket.

[0019] Figure 4 It is a schematic diagram of the connecting plate.

[0020] Figure 5 It is a schematic diagram of the tool mounting seat.

[0021] Explanation of the numbers in the figure: 1 bracket, 2 pressing piece, 3 slide rail, 4 connecting plate, 5 tool mounting seat, 6 rotating shaft, 7 tightening knob, 8 protective plate, 9 handle, 10 pull-ring plunger, 11 adjusting screw, 12 silicone pad, 13 wall plate with milling cut, 14 milling cutter Detailed implementation mode

[0022] Referring to the attached drawings, the portable milling device for wall plate lugs of the present application is as follows Figures 1-5 As shown, a portable milling device for wall plate lugs includes a bracket 1, a pressing piece 2, a slide rail 3, a connecting plate 4, a tool mounting seat 5, a rotating shaft 6, a tightening knob 7 and an adjusting screw 11. The material of the bracket 1 is aluminum, and a silicone pad 12 is pasted on one side of the U-shaped notch inserted into the wall plate. The bracket 1 provides an installation plane for the slide rail 3 and installs a handle 9, and there are 4 threaded holes at the places cooperating with the pressing piece 2 and the tightening knob 7. The connecting plate 4 connects the slide rail 3 and the tool mounting seat 5. There are 8 connecting holes with the slide rail 3, a through hole passing through the rotating shaft 6, and a positioning hole after the tool rotates in place on the connecting plate 4. The tool mounting seat 5 can adjust the height position after clamping the milling cutter 14, and then tighten and fix it with the adjusting screw 11. The tool mounting seat 5 can rotate around the rotating shaft 6 to adjust the feed amount, and can be fixed with the pull-ring plunger 10 after reaching the position to prevent scratching the product when not in use. The protective plate 8 is made of plexiglass, which can block the splashing of debris and does not block the operation vision.

[0023] Using this portable milling device to mill the wall plate lugs includes the following steps

[0024] 1) Insert the milling cutter 14 into the tool mounting seat 5 and then adjust the adjusting screw 11

[0025] 2) Let the wall plate to be milled 13 pass through the U-shaped notch of the bracket 1 so that the lugs on the wall plate to be milled 13 are in the middle position of the bracket 1

[0026] 3) Rotate the tightening knobs 7 at both ends of the upper surface of the bracket 1 to make the upper surface of the bracket 1 parallel to the upper surface of the wall plate to be milled 13, and then tighten the pressing piece 2 to fix the bracket 1 on the wall plate to be milled 13

[0027] 4) Adjust the height of the milling cutter 14 on the tool mounting seat 5 according to the height position of the lugs

[0028] 5) Turn on the switch of the milling cutter 14, slide the tool along the slide rail 3 to mill the lugs, and can rotate the tool mounting seat 5 around the rotating shaft 6 to adjust the feed amount of the milling cutter 14 according to the size of the lugs to achieve rapid and precise milling of the wall plate lugs

[0029] Figure 4 On one side of the connecting plate 4, there is a through hole for the rotating shaft 6. Above the mating hole of the rotating shaft 6, there is a limiting arc oblong slot for the milling cutter 14. On one side of the connecting plate 4, there are slider connection and fixing holes

[0030] Figure 5 The tool mounting seat 5 has a rotating shaft 6 through hole at one end, and a tool slot at the other end. There is a gap at the end of the tool slot, and there are convex platforms on both sides of the gap. There is a through hole on one of the convex platforms, and a threaded hole is provided at the corresponding position on the other convex platform.

[0031] This application effectively solves the milling problem of the skin lug, and has a delicate structure, convenient operation. By using the original milling tool, it reduces the production cost, improves the production efficiency, and is convenient for later maintenance. It can be widely applied to the field of skin lug milling.

Claims

1. A portable milling device for panel lugs, characterized in that It includes a bracket, a pressing member, a slide rail, a connecting plate, a tool mounting seat, a rotating shaft, a tightening knob and an adjusting screw. The bracket is in a "door" - shaped structure, with legs at both ends having inverted U - shaped notches. On one side of the inner surface of the U - shaped notch, a silica gel pad is adhered, and on the other side, there is a threaded hole for mating with the screw in the pressing member. The U - shaped notch of the bracket is stuck on both sides of the wall panel to be milled. The pressing member is installed at the lower part of the U - shaped notches at both ends of the bracket to fix the bracket and the wall panel to be milled. The tightening knob is installed at both ends of the upper surface of the bracket. By rotating the tightening knob, the distance between the bracket and the wall panel to be milled is adjusted to make the upper surface of the bracket parallel to the upper surface of the wall panel to be milled. The slide rail is installed along the length direction of the bracket on the other side of the upper surface of the bracket that is not close to the wall panel to be milled. The connecting plate is fixed on the slider of the slide rail. The tool mounting seat is on the connecting plate and is connected to the connecting plate through a rotating shaft. The milling cutter is fixed on the tool mounting seat. The height of the milling cutter is adjusted by the adjusting screw on the tool mounting seat. During milling, the milling cutter rotates around the rotating shaft to adjust the distance between the cutter and the lug. The milling cutter slides back and forth along the slide rail, and the tool mounting seat is rotated around the rotating shaft according to the size of the lug to adjust the feed rate of the cutter, realizing the rapid and precise milling of the lugs on the wall panel.

2. The portable milling device for panel lugs according to claim 1, characterized in that On one side of the connecting plate, there is a through - hole for the rotating shaft. Above the shaft - fitting hole, there is a tool - limiting arc - shaped oblong slot. On one side of the connecting plate, there is a fixing hole for connecting the slider.

3. The portable milling device for panel lugs according to claim 1, characterized in that The tool mounting seat has a through - hole for the rotating shaft at one end, and a tool slot at the other end. At the end of the tool slot, there is a gap. On both sides of the gap, there are convex platforms respectively. On one of the convex platforms, there is a through - hole, and on the corresponding position of the other convex platform, there is a threaded hole.

4. A milling method for panel lugs, characterized in that It includes milling using the milling device described in any one of claims 1 - 3, and the specific process is as follows: 4 - 1 Insert the milling cutter into the tool mounting seat and then adjust the adjusting screw; 4 - 2 Pass the wall panel to be milled through the U - shaped notch of the bracket, so that the lug on the wall panel to be milled is in the middle position of the bracket. 4 - 3 Rotate the tightening knobs at both ends of the upper surface of the bracket to make the upper surface of the bracket parallel to the upper surface of the wall panel to be milled, and then tighten the pressing member to fix the bracket on the wall panel to be milled. 4 - 4 Adjust the height of the milling cutter on the tool mounting seat according to the height position of the lug. 4 - 5 Turn on the switch of the milling cutter, slide the cutter along the slide rail to mill the lug, and the tool mounting seat can be rotated around the rotating shaft according to the size of the lug to adjust the feed rate of the cutter, realizing the rapid and precise milling of the lugs on the wall panel.

Citation Information

Patent Citations

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