Airplane composite material beam machining clamp

By using a bidirectional screw and servo motor-driven automatic adjustment system in the aircraft composite beam processing fixture, the trouble of manually adjusting the position of the vacuum platform in the prior art is solved, and efficient fixation of beams of different lengths and flexible support for beam edge strips are achieved.

CN222537007UActive Publication Date: 2025-02-28ANHUI TECHN COLLEGE OF MECHANICAL & ELECTRICAL ENG
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Patent Information

Application Number
CN202421143439.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-24
Publication Date
2025-02-28
Estimated Expiration
2034-05-24

AI Technical Summary

Technical Problem

In the prior art, when processing aircraft composite beams of different lengths, it is necessary to manually adjust the position of the vacuum platform, which is troublesome and time-consuming. At the same time, the auxiliary support of the edge strips on both sides of the beam also requires manual repeated operation.

Method used

The position adjustment of the vacuum positioning clamping assembly is driven by a bidirectional screw and a servo motor, and the support seat and vacuum platform are driven by the first slider to automatically adjust, reducing manual operation; at the same time, the adjustment plate and spring are set to flexibly adjust the position of the rubber support block to improve the support effect on the beam edge strip.

Benefits of technology

Automatic adjustment of the position of the vacuum platform is achieved, reducing manual operation time and energy, and improving the fixing reliability and processing efficiency of aircraft composite beams.

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Abstract

The utility model relates to the technical field of machining, in particular to an aircraft composite material beam machining clamp which comprises a base, a vacuum positioning and clamping assembly and an auxiliary assembly, and a bidirectional lead screw, a servo motor and a first sliding groove are arranged on the base; the bidirectional screw rod is arranged in the base, the servo motor is arranged on the base, and the bidirectional screw rod is connected with a motor shaft of the servo motor; the vacuum positioning and clamping assembly comprises a vacuum platform and a supporting seat, the supporting seat is arranged at the bottom of the vacuum platform and comprises a bottom plate, a supporting rod and a mounting plate, the mounting plate is arranged at the bottom of the vacuum platform, a supporting column is arranged at the bottom of the mounting plate, the bottom plate is arranged at the bottom of the supporting column, and a first sliding block and a first connecting block are arranged on the bottom plate. The first connecting block is arranged at the bottom of the base, the first sliding block is arranged at the bottom of the first connecting block, and the first sliding block is in sliding fit with the bidirectional lead screw. The problem that the position of the vacuum platform needs to be manually adjusted is solved through the two-way lead screw and the first sliding block.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a processing fixture for aircraft composite material beams. Background Art

[0002] As a typical load-bearing structural component on an aircraft, the beam is an important component of the aircraft body structure. In the development and production of aircraft, a large number of composite beam parts need to be processed. These parts have similar structures and appearances and are mainly divided into "I" type and "C" type. Composite beam structural parts are mainly formed by curing carbon fiber composite materials. In order to meet assembly requirements, in addition to trimming the beam edge strips, the sacrificial layer laid on the edge strip surface also needs to be milled.

[0003] Conventional vacuum adsorption fixtures need to be manufactured according to the shape of the beam, and the fixtures are equipped with vacuum holes. When clamping, the web and edge strips of the beam are clamped by vacuuming. This vacuum adsorption fixture has greater adsorption force and more reliable clamping than the pressure plate type fixture. In the development and production of aircraft, a large number of composite beam parts of different sizes need to be processed.

[0004] Chinese patent CN108942327B discloses a fixture for processing aircraft composite beams, including: a web vacuum positioning clamping platform assembly, and a plurality of edge strip support assemblies, which include a base bracket and two edge strip support members respectively installed on both sides of the base bracket, and the edge strip support member includes a connecting rod mechanism installed on the base bracket and a rubber support block installed on the connecting rod mechanism.

[0005] However, when the above structure clamps aircraft composite beams of different lengths, it is necessary to manually adjust the position of the vacuum platform, which is troublesome, time-consuming and laborious. At the same time, when auxiliary support is provided for the edge strips on both sides of the aircraft composite beam, it is necessary to manually repeat the operation process of multiple adjustment bolts, which is troublesome, time-consuming and laborious. Utility Model Content

[0006] In view of the above problems, a processing fixture for aircraft composite material beams is provided, which solves the problem of manually adjusting the position of the vacuum platform through a bidirectional screw rod and a first slider.

[0007] In order to solve the problems of the prior art, the utility model provides a processing fixture for composite aircraft beams, comprising a base, a vacuum positioning clamping assembly and an auxiliary assembly, wherein a bidirectional screw rod, a servo motor and a first slide groove are arranged on the base; the bidirectional screw rod is arranged in the base, the bidirectional screw rod is rotatably connected to the base, the servo motor is arranged on one side of the base, one side of the bidirectional screw rod passes through the side wall of the base and is fixedly connected to the motor shaft of the servo motor, the first slide groove is arranged on the top of the base, and the first slide groove passes through the upper side wall of the base; the vacuum positioning clamping assembly has two and is arranged above the base, and the vacuum positioning clamping assembly comprises a vacuum An empty platform and a support seat, the support seat has two and is arranged at the bottom of the vacuum platform, a base plate, a support rod and a mounting plate are arranged on the support seat, the mounting plate is arranged at the bottom of the vacuum platform, the support column is arranged at the bottom of the mounting plate, the base plate is arranged at the bottom of the support column, a first slider and a first connecting block are arranged on the base plate, the first connecting block is arranged at the bottom of the base, the first connecting block is slidably matched with the first slide groove, the first slider is arranged at the bottom of the first connecting block, and the first slider is slidably matched with the bidirectional screw rod; auxiliary components are arranged on both sides of the support column, there are eight auxiliary components, and one support column corresponds to two auxiliary components.

[0008] Preferably, a limit rod and a second slide groove are also provided on the base; the limit rod is arranged in the base, the limit rod is located on one side of the bidirectional screw rod, the second slide groove is arranged on the top of the base, the second slide groove is located on one side of the first slide groove, the second slide groove passes through the upper side wall of the base, and a second slider and a second connecting block are also provided on the base plate, the second connecting block is arranged at the bottom of the base plate, the second connecting block is slidably matched with the second slide groove, the second slider is arranged at the bottom of the second connecting block, and the second slider is slidably matched with the limit rod.

[0009] Preferably, a fixing plate is provided on the vacuum platform; the fixing plate is arranged on a side of the vacuum platform away from the middle portion of the aircraft composite material beam, and the fixing plate extends upward.

[0010] Preferably, balls are provided on the base; there are four groups of balls and they are respectively arranged on both sides of the first slide groove and the second slide groove, one group of balls has a plurality of balls, one group of balls is linearly arranged along the length direction of the base, and the top of the balls contacts the bottom of the base plate.

[0011] Preferably, an adjusting component is also provided; the adjusting component has two and is arranged on both sides of the base, the auxiliary component is provided with an adjusting block, a connecting rod and a rubber support block, and a third slide groove is also provided on the base plate, the third slide groove has eight and is arranged on the top of the base plate opposite to each other, the third slide groove extends along the width direction of the base, the adjusting block is arranged in the third slide groove, one adjusting block corresponds to one third slide groove, the adjusting block slides with the third slide groove, and the adjusting component connects the adjusting block; a connecting frame is provided on the support rod, the connecting frame has eight and is arranged on the middle part of the support rod opposite to each other, the connecting rod is provided on the connecting frame, a waist-shaped hole is provided on the connecting rod, the waist-shaped hole is movably connected to the connecting frame, and the bottom of the connecting rod is rotatably connected to the adjusting block; the rubber support block is provided on the top of the connecting rod, and the rubber support block is rotatably connected to the top of the connecting rod.

[0012] Preferably, an adjustment plate and an electric push rod are provided on the adjustment component; the adjustment plate is provided on the third slide slot, the adjustment plate extends along the length direction of the base, the bottom of the adjustment plate is movably connected to the top of the third slide slot, the adjustment block is higher than the top of the third slide slot, and a plurality of electric push rods are provided on the base, the electric push rods are located on the side of the adjustment plate away from the adjustment block, and the output end of the electric push rod is fixedly connected to the adjustment plate; a spring is also provided on the adjustment block, one side of the spring is connected to the adjustment block, and the other side is connected to the support rod, and the number of springs is the same as that of the adjustment block.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The utility model is provided with a base, a bidirectional screw and a servo motor. The bidirectional screw is arranged on the base, and the servo motor is arranged on one side of the base and is used to drive the bidirectional screw. The servo motor drives the bidirectional screw to rotate, and the bidirectional screw drives the support seat through the first slider, and the support seat drives the vacuum platform, so as to adjust the position of the vacuum positioning and clamping assembly. The bidirectional screw is provided with threads with opposite rotation directions at both ends, which is convenient for driving the two vacuum positioning and clamping assemblies to move toward or away from each other at the same time. According to the different lengths of the aircraft composite material beams, the positions of the two vacuum positioning and clamping assemblies are adjusted, so that the device can better fix the aircraft composite material beams.

[0015] 2. The utility model is provided with a fixing plate. When the position of the vacuum positioning clamping assembly is adjusted according to the length of the aircraft composite material beam, the two fixing plates are adjusted to contact the two sides of the aircraft composite material beam respectively. The fixing plates abut the aircraft composite material beam to facilitate the clamp to position the aircraft composite material beam.

[0016] 3. The utility model is provided with an adjustment plate and a spring, and the spring and the adjustment plate are used to push the adjustment block in two opposite directions, so as to flexibly change the position of the adjustment block in the third slide groove. The rubber support block can better fit the edge strips on both sides of the aircraft composite material beam, and the position of all the adjustment blocks can be adjusted at the same time through the adjustment plate, thereby reducing the repeated operation steps of adjusting the adjustment blocks during the clamping process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The invention is a three-dimensional structural schematic diagram of an aircraft composite material beam processing fixture clamping an aircraft composite material beam.

[0018] Figure 2 It is a three-dimensional structural schematic diagram of a processing fixture for aircraft composite material beams.

[0019] Figure 3 It is a partial schematic diagram of location A of a fixture for processing aircraft composite beams.

[0020] Figure 4 A three-dimensional schematic diagram of the vacuum positioning clamping assembly and auxiliary assembly of an aircraft composite beam processing fixture Figure 1 .

[0021] Figure 5 A three-dimensional schematic diagram of the vacuum positioning clamping assembly and auxiliary assembly of an aircraft composite beam processing fixture Figure 2 .

[0022] Figure 6 The present invention is a three-dimensional structural schematic diagram of a base and an adjustment component of an aircraft composite beam processing fixture.

[0023] Figure 7 A cross-sectional view of a base and adjustment assembly of a fixture for machining composite beams of an aircraft.

[0024] The numbers in the figure are: 1-base; 11-bidirectional screw; 12-servo motor; 13-first slide; 14-limit rod; 15-second slide; 16-ball; 2-vacuum positioning and clamping assembly; 21-vacuum platform; 211-fixed plate; 22-support seat; 221-bottom plate; 2211-first slider; 2212-first connecting block; 2213-second slider; 2214-second connecting block; 2215-third slide; 222-support rod; 2221-connecting frame; 223-mounting plate; 3-auxiliary assembly; 31-adjusting block; 311-spring; 32-connecting rod; 321-waist hole; 33-rubber support block; 4-adjusting assembly; 41-adjusting plate; 42-electric push rod. DETAILED DESCRIPTION

[0025] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] Reference Figure 1-Figure 7 : A processing fixture for composite beams of aircraft, comprising a base 1, a vacuum positioning and clamping assembly 2 and an auxiliary assembly 3, wherein the base 1 is provided with a bidirectional screw 11, a servo motor 12 and a first slide 13; the bidirectional screw 11 is arranged in the base 1, the bidirectional screw 11 is rotatably connected to the base 1, the servo motor 12 is arranged on one side of the base 1, one side of the bidirectional screw 11 passes through the side wall of the base 1 and is fixedly connected to the motor shaft of the servo motor 12, the first slide 13 is arranged on the top of the base 1, and the first slide 13 passes through the upper side wall of the base 1; the vacuum positioning and clamping assembly 2 has two and is arranged above the base 1, the vacuum positioning and clamping assembly 2 includes a vacuum platform 21 and a support seat 22, the support seat 22 has two and is arranged on At the bottom of the vacuum platform 21, a base plate 221, a support rod 222 and a mounting plate 223 are provided on the support seat 22, the mounting plate 223 is arranged at the bottom of the vacuum platform 21, the support column is arranged at the bottom of the mounting plate 223, the base plate 221 is arranged at the bottom of the support column, a first slider 2211 and a first connecting block 2212 are provided on the base plate 221, the first connecting block 2212 is arranged at the bottom of the base 1, the first connecting block 2212 is slidably matched with the first slide groove 13, the first slider 2211 is arranged at the bottom of the first connecting block 2212, the first slider 2211 is slidably matched with the bidirectional screw rod 11; the auxiliary components 3 are arranged on both sides of the support column, and the auxiliary components 3 have eight, and one support column corresponds to two auxiliary components 3.

[0027] A bidirectional screw rod 11 is arranged in the base 1, the bidirectional screw rod 11 extends along the length direction of the base 1, the bidirectional screw rod 11 is rotatably connected to the side wall of the base 1, a servo motor 12 is arranged on one side of the base 1, one side of the bidirectional screw rod 11 passes through the side wall of the base 1 and is fixedly connected to the motor shaft of the servo motor 12, the servo motor 12 is used to drive the bidirectional screw rod 11 to rotate, a first slide groove 13 is arranged on the top of the base 1, the first slide groove 13 extends along the length direction of the base 1, the first slide groove 13 passes through the upper side wall of the base 1, the first slide groove 13 is located above the bidirectional screw rod 11, and two vacuum positioning clamping assemblies 2 are arranged on the bottom Above the seat 1, the vacuum positioning clamping assembly 2 includes a vacuum platform 21 and a support seat 22. The two support seats 22 are arranged at the bottom of the vacuum platform 21. The support seat 22 is provided with a bottom plate 221, a support rod 222 and a mounting plate 223. The mounting plate 223 is arranged at the bottom of the vacuum platform 21. The top of the mounting plate 223 is connected to the bottom of the vacuum platform 21. The support column is arranged at the bottom of the mounting plate 223. The top of the support column is fixedly connected to the bottom of the mounting plate 223. The bottom plate 221 is arranged at the bottom of the support column. The top of the bottom plate 221 is fixedly connected to the bottom of the support column. The vacuum platform 21 is used to repair the aircraft. The composite material beam is vacuum adsorbed, the support seat 22 is used to support the vacuum platform 21, the first connecting block 2212 is arranged at the bottom of the bottom plate 221, the first connecting block 2212 is fixedly connected to the bottom plate 221, the first connecting block 2212 is slidably matched with the first slide groove 13, the first slider 2211 is arranged at the bottom of the first connecting block 2212, the first slider 2211 is fixedly connected to the first connecting block 2212, the first slider 2211 is slidably matched with the bidirectional screw rod 11, the bidirectional screw rod 11 is driven to rotate by the servo motor 12, and the bidirectional screw rod 11 drives the support seat 22 through the first slider 2211, and the support The seat 22 drives the vacuum platform 21, thereby adjusting the position of the vacuum positioning and clamping assembly 2. The two-way screw rod 11 is provided with threads with opposite rotation directions at both ends, so as to facilitate the simultaneous driving of the two vacuum positioning and clamping assemblies 2 to move toward or away from each other. According to the different lengths of the aircraft composite beams, the positions of the two vacuum positioning and clamping assemblies 2 are adjusted so that the device can better fix the aircraft composite beams. The auxiliary assemblies 3 are arranged on both sides of the support column. There are eight auxiliary assemblies 3, and one support column corresponds to two auxiliary assemblies 3. The auxiliary assemblies 3 are used to provide auxiliary support to the edge strips on both sides of the aircraft composite beam.

[0028] Reference Figure 4 and Figure 7: A limiting rod 14 and a second slide groove 15 are also provided on the base 1; the limiting rod 14 is provided in the base 1, the limiting rod 14 is located on one side of the bidirectional screw rod 11, the second slide groove 15 is provided on the top of the base 1, the second slide groove 15 is located on one side of the first slide groove 13, the second slide groove 15 passes through the upper side wall of the base 1, and a second slider 2213 and a second connecting block 2214 are also provided on the bottom plate 221, the second connecting block 2214 is provided at the bottom of the bottom plate 221, the second connecting block 2214 is slidably matched with the second slide groove 15, the second slider 2213 is provided at the bottom of the second connecting block 2214, and the second slider 2213 is slidably matched with the limiting rod 14.

[0029] The limiting rod 14 is arranged in the base 1, and the limiting rod 14 extends along the length direction of the base 1. The limiting rod 14 is located on one side of the bidirectional screw rod 11. The second slide groove 15 is arranged on the top of the base 1. The second slide groove 15 extends along the length direction of the base 1. The second slide groove 15 runs through the upper side wall of the base 1. The second slide groove 15 is located above the limiting rod 14. The second connecting block 2214 is arranged at the bottom of the base plate 221. The second connecting block 2214 is fixedly connected to the base plate 221. The second connecting block 2214 is slidably matched with the second slide groove 15. The second slider 2213 is arranged at the bottom of the second connecting block 2214. The second slider 2213 is fixedly connected to the second connecting block 2214. The second slider 2213 is slidably matched with the limiting rod 14. The stability of the vacuum positioning clamping assembly 2 during movement is improved by the second slider 2213 and the limiting rod 14.

[0030] Reference Figure 3 : A fixing plate 211 is disposed on the vacuum platform 21; the fixing plate 211 is disposed on one side of the vacuum platform 21 away from the middle portion of the aircraft composite beam, and the fixing plate 211 extends upward.

[0031] The fixing plate 211 is arranged on one side of the vacuum platform 21 away from the middle part of the aircraft composite material beam. The fixing plate 211 extends upward. When the position of the vacuum positioning clamping assembly 2 is adjusted according to the length of the aircraft composite material beam, it is adjusted until the two fixing plates 211 contact the two sides of the aircraft composite material beam respectively. The fixing plate 211 abuts against the aircraft composite material beam to facilitate the clamp to position the aircraft composite material beam.

[0032] Reference Figure 7 : Ball bearings 16 are arranged on the base 1; there are four groups of ball bearings 16 and they are respectively arranged on both sides of the first slide groove 13 and the second slide groove 15, one group of ball bearings 16 has a plurality of ball bearings, and one group of ball bearings 16 is linearly arranged along the length direction of the base 1, and the top of the ball bearings 16 contacts the bottom of the bottom plate 221.

[0033] Four groups of balls 16 are respectively arranged on both sides of the first slide groove 13 and the second slide groove 15. One group of balls 16 has a plurality of balls and is linearly arranged along the length direction of the base 1. The top of the balls 16 contacts the bottom. The balls 16 are used to reduce the friction force when the vacuum positioning and clamping assembly 2 moves. The position of the vacuum positioning and clamping assembly 2 can be easily adjusted through the balls 16.

[0034] Reference Figure 1 , Figure 4 and Figure 5 : An adjustment component 4 is also provided; the adjustment component 4 has two and is arranged on both sides of the base 1, the auxiliary component 3 is provided with an adjustment block 31, a connecting rod 32 and a rubber support block 33, and a third slide groove 2215 is also provided on the bottom plate 221. The third slide groove 2215 has eight and is arranged on the top of the bottom plate 221 opposite to each other. The third slide groove 2215 extends along the width direction of the base 1, and the adjustment block 31 is arranged in the third slide groove 2215. One adjustment block 31 corresponds to one third slide groove 2215, and the adjustment block 31 and the third slide groove 2215 slides together, the adjustment component 4 is connected to the adjustment block 31; a connecting frame 2221 is provided on the support rod 222, and the connecting frame 2221 has eight connecting frames that are arranged opposite to each other in the middle part of the support rod 222, and the connecting rod 32 is provided on the connecting frame 2221, and a waist-shaped hole 321 is provided on the connecting rod 32, and the waist-shaped hole 321 is movably connected to the connecting frame 2221, and the bottom of the connecting rod 32 is rotatably connected to the adjustment block 31; a rubber support block 33 is provided on the top of the connecting rod 32, and the rubber support block 33 is rotatably connected to the top of the connecting rod 32.

[0035] Two adjustment components 4 are arranged on both sides of the top of the base 1, eight third slide grooves 2215 are arranged on the top of the base 1 in pairs, the third slide grooves 2215 extend along the width direction of the base 1, the adjustment block 31 is arranged in the third slide groove 2215, the adjustment block 31 and the third slide groove 2215 are slidably matched, the adjustment component 4 is connected to the adjustment block 31, and the adjustment component 4 is used to change the position of the adjustment block 31, and the eight connecting frames 2221 are arranged in pairs in the middle part of the support rod 222, the connecting rod 32 is arranged on the support rod 222, and the connecting rod 32 is provided with a waist-shaped hole 3 21, the waist-shaped hole 321 extends along the length direction of the connecting rod 32, the waist-shaped hole 321 is movably connected to the connecting frame 2221, the bottom of the connecting rod 32 is rotatably connected to the adjusting block 31, the rubber support block 33 is arranged on the top of the connecting rod 32, the rubber support block 33 is rotatably connected to the top of the connecting rod 32, the rubber support block 33 is used to assist in supporting the side edges of the aircraft composite beam, and the position of the rubber support block 33 is adjusted by changing the position of the adjusting block 31 in the third slide groove 2215, so that the rubber support block 33 can better fit the side edges of the aircraft composite beam.

[0036] Reference Figure 4 , Figure 6 and Figure 7 : The adjustment component 4 is provided with an adjustment plate 41 and an electric push rod 42; the adjustment plate 41 is arranged on the third slide groove 2215, the adjustment plate 41 extends along the length direction of the base 1, the bottom of the adjustment plate 41 is movably connected with the top of the third slide groove 2215, the adjustment block 31 is higher than the top of the third slide groove 2215, a plurality of electric push rods 42 are arranged on the base 1, the electric push rods 42 are located on the side of the adjustment plate 41 away from the adjustment block 31, and the output end of the electric push rod 42 is fixedly connected with the adjustment plate 41; a spring 311 is also provided on the adjustment block 31, one side of the spring 311 is connected with the adjustment block 31, and the other side is connected with the support rod 222, and the number of the spring 311 is the same as that of the adjustment block 31.

[0037] The adjusting plate 41 is arranged on the third slide groove 2215, the bottom of the adjusting plate 41 is movably connected with the top of the third slide groove 2215, the adjusting plate 41 extends along the length direction of the base 1, three electric push rods 42 are arranged on the base 1, the electric push rods 42 are located on the side of the adjusting plate 41 away from the adjusting block 31, the output end of the electric push rod 42 is fixedly connected with the adjusting plate 41, the electric push rod 42 is used to push the adjusting plate 41, the adjusting block 31 is higher than the top of the third slide groove 2215, when the adjusting plate 41 contacts the adjusting block 31, the adjusting plate 41 continues to be pushed, the adjusting plate 41 pushes the adjusting block 31, and the position of the adjusting block 31 can be adjusted, the adjusting block 31 extends along the length direction of the base 1, and the adjusting plate 41 can contact all the adjusting blocks on one side at the same time The adjustment plate 41 is used to adjust the positions of the adjustment blocks 31 and all the adjustment blocks 31 on one side at the same time. A spring 311 is arranged on the adjustment block 31. One side of the spring 311 is fixedly connected to the adjustment block 31, and the other side is fixedly connected to the support rod 222. The number of the springs 311 is the same as that of the adjustment blocks 31. The spring 311 is used to apply a thrust to the adjustment block 31 in the opposite direction of the adjustment plate 41. The position of the adjustment block 31 in the third slide groove 2215 can be flexibly changed by the adjustment plate 41 and the spring 311, so as to adjust the position of the rubber support block 33. The rubber support block 33 can better fit the edge strips on both sides of the aircraft composite material beam, and the positions of all the adjustment blocks 31 can be adjusted at the same time by the adjustment plate 41, thereby reducing the repeated operation steps of adjusting the adjustment blocks 31 during the clamping process.

[0038] The above embodiments only express one or several implementation methods of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the attached claims.

Claims

1. A composite material beam processing fixture for aircraft, comprising a base (1), a vacuum positioning clamping component (2) and an auxiliary component (3), characterized in that: A bidirectional screw rod (11), a servo motor (12) and a first slide groove (13) are arranged on the base (1); A bidirectional screw rod (11) is arranged in the base (1), the bidirectional screw rod (11) is rotatably connected to the base (1), a servo motor (12) is arranged on one side of the base (1), one side of the bidirectional screw rod (11) passes through the side wall of the base (1) and is fixedly connected to the motor shaft of the servo motor (12), and a first slide groove (13) is arranged on the top of the base (1), and the first slide groove (13) passes through the upper side wall of the base (1); The vacuum positioning clamping assembly (2) has two and is arranged above the base (1). The vacuum positioning clamping assembly (2) comprises a vacuum platform (21) and a support seat (22). The support seat (22) has two and is arranged at the bottom of the vacuum platform (21). The support seat (22) is provided with a bottom plate (221), a support rod (222) and a mounting plate (223). The mounting plate (223) is provided at the bottom of the vacuum platform (21). The support column is provided at the bottom of the mounting plate (223). The bottom plate (221) is provided at the bottom of the support column. The bottom plate (221) is provided with a first sliding block (2211) and a first connecting block (2212). The first connecting block (2212) is provided at the bottom of the base (1). The first connecting block (2212) is slidably matched with the first sliding groove (13). The first sliding block (2211) is provided at the bottom of the first connecting block (2212). The first sliding block (2211) is slidably matched with the bidirectional screw rod (11). The auxiliary components (3) are arranged on both sides of the support column, and there are eight auxiliary components (3), with one support column corresponding to two auxiliary components (3).

2. The aircraft composite beam processing fixture according to claim 1, characterized in that: A limit rod (14) and a second slide groove (15) are also provided on the base (1); A limiting rod (14) is arranged in the base (1), the limiting rod (14) is located on one side of the bidirectional screw rod (11), a second slide groove (15) is arranged on the top of the base (1), the second slide groove (15) is located on one side of the first slide groove (13), the second slide groove (15) passes through the upper side wall of the base (1), a second slider (2213) and a second connecting block (2214) are also arranged on the bottom plate (221), the second connecting block (2214) is arranged at the bottom of the bottom plate (221), the second connecting block (2214) is slidably matched with the second slide groove (15), the second slider (2213) is arranged at the bottom of the second connecting block (2214), and the second slider (2213) is slidably matched with the limiting rod (14).

3. The aircraft composite beam processing fixture according to claim 1, characterized in that: A fixing plate (211) is provided on the vacuum platform (21); The fixing plate (211) is arranged on a side of the vacuum platform (21) away from the middle part of the aircraft composite material beam, and the fixing plate (211) extends upward.

4. The aircraft composite beam processing fixture according to claim 2, characterized in that: A ball bearing (16) is arranged on the base (1); There are four groups of balls (16) which are respectively arranged on both sides of the first slide groove (13) and the second slide groove (15), one group of balls (16) has a plurality of balls, and one group of balls (16) is linearly arranged along the length direction of the base (1), and the tops of the balls (16) contact the bottom of the bottom plate (221).

5. The aircraft composite beam processing fixture according to claim 1, characterized in that: An adjustment component (4) is also provided; The adjusting components (4) have two and are arranged on both sides of the base (1); the auxiliary component (3) is provided with an adjusting block (31), a connecting rod (32) and a rubber support block (33); the bottom plate (221) is also provided with a third slide groove (2215); the third slide grooves (2215) have eight and are arranged on the top of the bottom plate (221) in pairs opposite to each other; the third slide grooves (2215) extend along the width direction of the base (1); the adjusting blocks (31) are arranged in the third slide grooves (2215); one adjusting block (31) corresponds to one third slide groove (2215); the adjusting blocks (31) and the third slide grooves (2215) are slidably matched; and the adjusting component (4) is connected to the adjusting blocks (31); A connecting frame (2221) is arranged on the support rod (222), the connecting frame (2221) has eight parts which are arranged opposite to each other in the middle part of the support rod (222), the connecting rod (32) is arranged on the connecting frame (2221), a waist-shaped hole (321) is arranged on the connecting rod (32), the waist-shaped hole (321) is movably connected to the connecting frame (2221), and the bottom of the connecting rod (32) is rotatably connected to the adjustment block (31); The rubber support block (33) is arranged on the top of the connecting rod (32), and the rubber support block (33) is rotatably connected to the top of the connecting rod (32).

6. The aircraft composite beam processing fixture according to claim 5, characterized in that: An adjustment plate (41) and an electric push rod (42) are provided on the adjustment component (4); The adjusting plate (41) is arranged on the third slide groove (2215), the adjusting plate (41) extends along the length direction of the base (1), the bottom of the adjusting plate (41) is movably connected to the top of the third slide groove (2215), the adjusting block (31) is higher than the top of the third slide groove (2215), a plurality of electric push rods (42) are arranged on the base (1), the electric push rods (42) are located on a side of the adjusting plate (41) away from the adjusting block (31), and the output end of the electric push rod (42) is fixedly connected to the adjusting plate (41); The adjusting block (31) is further provided with a spring (311), one side of the spring (311) is connected to the adjusting block (31), and the other side is connected to the support rod (222), and the number of the springs (311) is the same as that of the adjusting block (31).

Citation Information

Patent Citations

  • A jig for machining composite beams for aircraft

    CN108942327B