Numerical control machining center for machining parts of aircraft landing gear box body

By introducing support and extrusion mechanisms into the CNC machining center, the problem of top depression in the processing of aircraft landing gear box parts is solved, and the processing efficiency and quality are improved.

CN223289357UActive Publication Date: 2025-09-02JINGDEZHEN HANGSHENG AVIATION MASCH CO LTD
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Patent Information

Application Number
CN202422460873.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-09-02
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

When processing the aircraft landing gear box parts, due to the internal hollowness, external stress may cause the top to be sunken, affecting the processing speed and quality.

Method used

A support mechanism and an extrusion mechanism are adopted. The support mechanism is inserted into the inner support wall of the box, and the extrusion mechanism limits the outside to prevent recesses and displacement.

Benefits of technology

It effectively avoids the top of the box parts and improves the processing speed and quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of numerical control machining equipment for box parts, and discloses a numerical control machining center for machining the box parts of an aircraft landing gear, which comprises numerical control machining equipment and a machining cutter group, the machining cutter group is assembled inside the numerical control machining equipment, and a supporting mechanism is assembled inside the numerical control machining equipment. The supporting mechanism comprises an air cylinder, a square block is assembled at the top of the air cylinder, extrusion mechanisms are evenly distributed in the numerical control machining equipment and comprise first trapezoidal blocks and second trapezoidal blocks, the first trapezoidal blocks are connected with the square blocks, sliding blocks are connected to the two sides of the top of each second trapezoidal block, and slotting blocks are slidably connected to the outer portions of the sliding blocks. According to the numerical control machining center for machining the aircraft landing gear box part, the extrusion mechanism is additionally arranged and matched with the supporting mechanism to limit the exterior of a box workpiece, and the situation that the box workpiece displaces when being machined and supported by the supporting mechanism, and consequently machining failure is caused is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of numerical control processing equipment for box parts, in particular to a numerical control processing center for processing box parts of aircraft landing gears. Background Art

[0002] Aircraft landing gear is a device used to support the weight of the aircraft and bear the corresponding loads when the aircraft is parked, taxiing, taking off, landing, and rolling. It is not only one of the most important components of the aircraft, but also directly related to the use and safety of the aircraft. The control equipment and emergency equipment inside the aircraft landing gear need to be protected in a protective box during assembly.

[0003] The box parts inside the aircraft landing gear need to be processed using a CNC machining center. However, the interior of the box parts is mostly hollow, which may cause the top of the box parts to sag when the outside of the box parts are subjected to force processing, reducing the processing speed of the box parts and affecting the processing quality of the box parts. Utility Model Content

[0004] (1) Technical problems solved

[0005] In response to the shortcomings of the existing technology, the utility model provides a CNC machining center for processing aircraft landing gear box parts to solve the technical problem that the interior of the above-mentioned parts is mostly hollow, which may cause the top of the box part to be dented when the outside of the box part is subjected to force processing, reducing the processing speed of the box part and affecting the processing quality of the box part.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a CNC machining center for processing aircraft landing gear box parts, comprising: CNC machining equipment and a machining tool group, and the machining tool group is assembled inside the CNC machining equipment, the interior of the CNC machining equipment is equipped with a support mechanism, the support mechanism includes a cylinder, the top of the cylinder is equipped with a block, and the interior of the CNC machining equipment is evenly distributed with extrusion mechanisms.

[0008] The extrusion mechanism includes a first trapezoidal block and a second trapezoidal block, the first trapezoidal block is connected to the square block, the top two sides of the second trapezoidal block are connected to sliders, the outer sliding connection of the slider is connected to a slotted block, a spring is connected between the slotted block and the slider, and the slotted block is connected to the CNC machining equipment.

[0009] Preferably, the outside of the second trapezoidal block is equipped with a pressure plate, and the inside of the pressure plate is embedded with a rubber plate. The pressure plate can limit the outside of the box workpiece. The pressure plate can be square to clamp the box workpiece, or it can be L-shaped to fix the box component by buckling the top of the box workpiece.

[0010] Preferably, reinforcing ribs are installed between the first trapezoidal block and the square block, and the opposite ends of the first trapezoidal block and the second trapezoidal block are both designed with inclined surfaces. The reinforcing ribs can increase the stability of the connection between the first trapezoidal block and the square block.

[0011] Preferably, guide grooves are evenly distributed on the top of the CNC machining equipment, and the guide grooves are slidably connected to the first trapezoidal block. The guide grooves can guide the first trapezoidal block to make it move linearly.

[0012] Preferably, a square groove is provided on the top of the CNC machining equipment, and storage grooves are provided on both sides of the inside of the square groove. The storage grooves can support the box workpiece so that it is clamped on the top of the CNC machining equipment.

[0013] Preferably, an assembly rack is installed at the bottom of the cylinder, and the assembly rack is connected to a numerical control processing device. The assembly rack can support and assemble the cylinder.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the present invention provides a CNC machining center for machining aircraft landing gear box parts, which has the following beneficial effects:

[0016] This CNC machining center for processing aircraft landing gear box parts automatically inserts the landing gear box parts into the interior of the box workpiece through an added supporting mechanism during processing, supports the inner wall of the box workpiece, and avoids the top of the box part being dented when the outside of the box part is subjected to force processing. At the same time, the outside of the box workpiece is limited by an added squeezing mechanism in cooperation with the supporting mechanism, avoiding displacement of the box workpiece during processing and when supported by the supporting mechanism, which may cause processing failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of the utility model;

[0018] Figure 2 This is a schematic diagram of the interior of the CNC machining equipment of the present utility model;

[0019] Figure 3 It is a partial schematic diagram of the CNC machining equipment of the utility model;

[0020] Figure 4 This is a front view of the support mechanism of the utility model;

[0021] Figure 5 This is a front view of the extrusion mechanism of the utility model.

[0022] In the figure: 1. CNC machining equipment; 11. Guide groove; 12. Storage groove; 2. Machining tool set; 3. Support mechanism; 31. Cylinder; 32. Block; 33. Assembly frame; 4. Extrusion mechanism; 41. First trapezoidal block; 42. Second trapezoidal block; 43. Slider; 44. Slotted block; 45. Spring; 46. Press plate; 47. Reinforcement rib. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] This utility model provides a technical solution, please refer to Figure 1 and Figure 2 A CNC machining center for machining aircraft landing gear box parts comprises: a CNC machining device 1 and a machining tool group 2, and the machining tool group 2 is assembled inside the CNC machining device 1, and a supporting mechanism 3 is assembled inside the CNC machining device 1, and the supporting mechanism 3 comprises a cylinder 31, and a block 32 is assembled on the top of the cylinder 31, and an extrusion mechanism 4 is evenly distributed inside the CNC machining device 1. The CNC machining device 1 and the machining tool group 2 are CNC machining centers commonly used in the prior art. The machining tool group 2 is driven by a driving system inside the CNC machining device 1, and the interior of the CNC machining device 1 comprises a basic component, a spindle component, a feeding mechanism, a CNC system, an auxiliary device and a guide rail system. The cylinder 31 can provide kinetic energy for the block 32, and the block 32 can be inserted into the interior of the box part to support the inner wall of the box.

[0025] See also Figure 3 and Figure 4 The extrusion mechanism 4 includes a first trapezoidal block 41 and a second trapezoidal block 42. The first trapezoidal block 41 is connected to the block 32. Sliders 43 are connected to both sides of the top of the second trapezoidal block 42. The outer sliding connection of the slider 43 is a slotted block 44. A spring 45 is connected between the slotted block 44 and the slider 43. The slotted block 44 is connected to the CNC machining equipment 1. The first trapezoidal block 41 can move following the block 32. The second trapezoidal block 42 can be driven to move by the first trapezoidal block 41. The slider 43 and the slotted block 44 can guide the second trapezoidal block 42 to move linearly. The spring 45 can make the slider 43 return to its original position after movement.

[0026] See also Figure 5 The outside of the second trapezoidal block 42 is equipped with a pressure plate 46, and the inside of the pressure plate 46 is embedded with a rubber plate. The pressure plate 46 can limit the outside of the box workpiece. The pressure plate 46 can be square to clamp the box workpiece, or it can be L-shaped to fix the box component by buckling the top of the box workpiece. A reinforcing rib 47 is installed between the first trapezoidal block 41 and the block 32, and the opposite ends of the first trapezoidal block 41 and the second trapezoidal block 42 are both inclined. The reinforcing rib 47 can increase the stability of the connection between the first trapezoidal block 41 and the block 32. The top of the CNC machining equipment 1 is evenly provided with guide grooves 11, which are slidably connected to the first trapezoidal block 41. The guide grooves 11 can guide the first trapezoidal block 41 to make it move linearly. A square groove is provided on the top of the CNC machining equipment 1, and storage grooves 12 are installed on both sides of the interior of the square groove. The storage grooves 12 can support the box workpiece so that it is clamped on the top of the CNC machining equipment 1. The bottom of the cylinder 31 is equipped with an assembly bracket 33, which is connected to the CNC machining equipment 1. The assembly bracket 33 can support and assemble the cylinder 31.

[0027] In this solution, the front of the CNC machining device 1 is first opened, the workpiece is placed on the top of the storage tank 12, and then the CNC machining device 1 is closed. The cylinder 31 is started to drive the block 32 to move. The block 32 is inserted into the interior of the box workpiece, and at the same time, the first trapezoidal block 41 is driven to rise, and then the second trapezoidal block 42 is squeezed to move. The second trapezoidal block 42 fixes the outside of the box. At the same time, the block 32 is completely inserted into the interior of the box to support and fix the machining surface of the box workpiece, and the machining tool group 2 is started to automatically process the box;

[0028] When the drop box parts are being processed, the added support mechanism 3 is automatically inserted into the interior of the box workpiece to support the inner wall of the box workpiece to avoid the top of the box part being dented when the outside of the box part is subjected to force processing. At the same time, the added extrusion mechanism 4 cooperates with the support mechanism 3 to limit the outside of the box workpiece to avoid displacement of the box workpiece during processing and when it is supported by the support mechanism 3, which may cause processing failure.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A CNC machining center for machining aircraft landing gear box parts, comprising: A numerical control processing device (1) and a processing knife group (2), wherein the processing knife group (2) is assembled inside the numerical control processing device (1), characterized in that: a support mechanism (3) is assembled inside the numerical control processing device (1), the support mechanism (3) includes a cylinder (31), a block (32) is assembled on the top of the cylinder (31), and extrusion mechanisms (4) are evenly distributed inside the numerical control processing device (1); The extrusion mechanism (4) comprises a first trapezoidal block (41) and a second trapezoidal block (42), wherein the first trapezoidal block (41) is connected to the block (32), and both sides of the top of the second trapezoidal block (42) are connected to sliders (43), and the outside of the slider (43) is slidably connected to a slotted block (44), and a spring (45) is connected between the slotted block (44) and the slider (43), and the slotted block (44) is connected to the numerical control processing equipment (1).

2. A CNC machining center for machining aircraft landing gear box parts according to claim 1, characterized in that: The outside of the second trapezoidal block (42) is equipped with a pressing plate (46), and the inside of the pressing plate (46) is embedded with a rubber plate.

3. The CNC machining center for machining aircraft landing gear box parts according to claim 1, characterized in that: A reinforcing rib (47) is installed between the first trapezoidal block (41) and the square block (32), and opposite ends of the first trapezoidal block (41) and the second trapezoidal block (42) are both designed with inclined surfaces.

4. The CNC machining center for machining aircraft landing gear box parts according to claim 1, characterized in that: The top of the numerical control processing equipment (1) is evenly provided with guide grooves (11), and the guide grooves (11) are slidably connected to the first trapezoidal block (41).

5. The CNC machining center for machining aircraft landing gear box parts according to claim 1, characterized in that: A square groove is provided on the top of the numerical control processing equipment (1), and storage grooves (12) are installed on both sides of the interior of the square groove.

6. The CNC machining center for machining aircraft landing gear box parts according to claim 1, characterized in that: The bottom of the cylinder (31) is equipped with an assembly frame (33), and the assembly frame (33) is connected to the numerical control processing equipment (1).