CN114537703A

CN114537703A - Machining device and manufacturing method for wing of miniature flapping-wing aircraft

Info

Publication number: CN114537703A
Application number: CN202111481863.1A
Authority: CN
Inventors: 张艳来; 封俊天; 吴江浩
Original assignee: Beihang University
Current assignee: Beihang University
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-05-27
Anticipated expiration: 2041-12-07
Also published as: CN114537703B

Abstract

A device and a method for processing wings of a micro flapping wing aircraft are applied to the processing and the manufacturing of the wings of the micro flapping wing aircraft and comprise a base, a rotating device A, a rotating device B, a sliding device and a baffle. The flapping wing processing device and the manufacturing method provided by the invention realize the flow and refinement of the processing and manufacturing process of the wing of the miniature flapping wing aircraft, on one hand, realize the batch manufacturing of the wing and ensure the repeatability of the wing, on the other hand, reduce the wing membrane flaw caused by cutting in the cutting process of the wing membrane, avoid the problems of tearing in the motion process of the wing membrane and the like, and improve the service life of the wing membrane.

Description

Machining device and manufacturing method for wing of miniature flapping-wing aircraft

Technical Field

The patent belongs to the field of miniature aircrafts, and particularly relates to a machining device and a manufacturing method for wings of a miniature flapping wing aircraft.

Background

The concept of micro-aircraft was first introduced in the nineties of the last century. Compared with the conventional layout aircraft, the micro aircraft has the advantages of light weight, small volume, simplicity in operation, lower cost, wide application scenes in military and civil aspects and good scientific research value. In the military aspect, the miniature flapping wing air vehicle can be used for tracking, monitoring and improving the operational capability by being carried by a single soldier; in the civil aspect, the miniature flapping wing aircraft can also be applied to the fields of security inspection, fire monitoring, traffic monitoring and the like.

The micro flapping wing air vehicle has light weight and small volume, so that a stronger coupling relation exists among multiple systems. With the same mechanism, the wing parameters to be applied will vary as the overall design criteria (e.g., weight, size) vary. However, because the designed parameters (such as area, span length, wing structure form and rigidity) of the wing are more, and the aerodynamic performance of the wing is tightly coupled with the efficiency of the whole wing, the design of the wing of the existing micro flapping wing aircraft is still optimized and selected mainly by means of an experimental test method. The experimental test method needs to perform repeated experiments on a plurality of wings to finally determine the true aerodynamic performance of the wing with a certain configuration, and in addition, after the wing with a certain configuration is selected by the experimental test method, the subsequent processing technology needs to be ensured to reproduce the optimal wing. Both of these factors place high demands on the uniformity of the wing.

A pair of complete flapping wings consists of two identical flapping wings, a single flapping wing consisting of a wing membrane and a beam. At present, the wing membrane processing of the flapping wings of the micro flapping wing air vehicle is mainly finished by manual manufacturing. The processing and manufacturing of the wing firstly need to cut the wing membrane according to the required shape, and redundant slender rectangular areas are reserved at the front edge and the root of the wing for the subsequent flapping wing installation; then bonding the beam to the corresponding position of the wing membrane; and finally, the area reserved at the wing front edge is turned and bonded along the line segment at the wing front edge to form a sleeve, the sleeve can be sleeved on a wing front edge rod of the miniature flapping wing aircraft when the flapping wing is installed, and the area reserved at the wing root can be fixed on the wing root rod of the miniature flapping wing aircraft by sticking an adhesive tape.

Although the cutting of the flapping wing membrane can be efficiently, automatically and accurately completed by a device such as a laser cutting machine, in the actual machining process of the wing, the flapping wing has a simple structure and low machining and manufacturing cost due to the fact that the device is expensive, and the automatic machining mode is rarely selected for processing the flapping wing membrane. From the cutting link of the wing membrane manufactured by flapping wing processing, the following problems mainly exist in the manual manufacturing method: firstly, the wing membrane cut by hand is difficult to ensure that the cut edge is completely consistent with the edge size of the designed flapping wing template, and the wing membrane cut by the template with the same shape is different; secondly, fine flaws are easy to appear at the stopping position of the cutter in the wing membrane shearing process, and if the flaws are just positioned near the end points of the auxiliary beams, the flapping wings are easy to tear due to stress concentration during flapping. Therefore, it is necessary to design a flapping wing processing method capable of ensuring the processing and manufacturing precision and reducing the tearing of the wing membrane.

In order to improve the machining precision of the flapping wing membrane of the miniature flapping wing aircraft and reduce the tearing condition of the flapping wing in the using process, the machining device of the wing of the miniature flapping wing aircraft can be used for assisting manual manufacturing, the machining device can accurately cut the wing membrane according to the size requirement of the wing, and the wing membrane at the key part of the flapping wing, which is easy to tear, can not easily cause the edge of the flapping wing to have flaws due to human factors. The traditional flapping wing processing device of the miniature flapping wing aircraft can only confirm the sizes of the front edge and the root of the wing and the position of the turning part, and the wing membrane is still required to be manually cut during actual processing, so that the condition of inaccurate cutting can occur, and the integrity of the cut edge is difficult to ensure. Therefore, a need exists for a device for machining the wings of a miniature flapping wing aircraft, which has a simple structure, can be accurately and consistently designed according to the size requirement of the flapping wings and can avoid defects.

Disclosure of Invention

The invention provides a processing device of a wing of a miniature flapping wing aircraft, aiming at the problems that the accuracy and consistency of manual processing of the flapping wing of the traditional miniature flapping wing aircraft are not high, and the shearing edge of a wing membrane is easy to have flaws. The device can process and cut the edge of the wing membrane used by the flapping wing according to the different size requirements of the flapping wing, the accuracy of the processing process is high, the consistency is good, and the defects are not easy to appear. The device can be used for processing the wings of the miniature flapping wing aircraft.

A wing processing device of a micro flapping wing aircraft can be divided into a wing root processing layer, a wing front and rear edge processing layer and a wing tip processing layer in function. The wing root processing layer consists of a base and a rotating device A and is used for processing the edge of the root of the flapping wing, and the rotating device A is sleeved into the cylindrical assembly of the base through a ring at one end and can freely rotate around the cylindrical assembly of the base; the wing front and rear edge processing layer consists of a sliding device and a baffle plate and is used for processing the front and rear edges of the flapping wing, and the sliding device and the baffle plate are fixed above the base through strip-shaped grooves of the base; the wing tip processing layer is a rotating device B and is used for processing the edge of the wing tip, and the rotating device B is sleeved into the cylindrical assembly of the base through a circular ring at one end and can rotate freely around the cylindrical assembly.

The wing root processing layer comprises a base and a rotating device A. The base is composed of an annular assembly, a rectangular block and a cylindrical assembly and is used for fixing the rotating device A, the sliding device, the baffle and the rotating device B and confirming the rotating angle of the rotating device A or the sliding size of the sliding device. One section of the annular assembly is an arc with a central angle of 90 degrees, the other section of the annular assembly is an arc-shaped body, the upper surface of the arc is marked with angle scales from 0 degree to 90 degrees, the position near the free end of the arc is marked with 0 degree, the intersection point of the arc and the arc-shaped body is marked with 90 degrees, the radius of the arc is more than 1.5 times of the length of the designed wingspan, and the annular assembly can be used for limiting and confirming the rotating angle of the rotating device A; the annular combination body is fixedly connected with the rectangular block at the other end of the arc-shaped body; the rectangular block openly has an "worker" type spout for restraint slider's slip, and the design of rectangular block downside has long and thin spout, is used for restraint rotating device A's cutter to slide, long and thin spout downside has the scale mark for measure the length of processing the wing, and both sides respectively have a recess around the rectangular block, the rectangular block can be followed to the baffle and slided. The cylindrical assembly is composed of a bottom cylindrical section, a middle threaded section and a top layer fixing piece, is located on the lower left side of the rectangular block and used for fixing a rotating device A and a rotating device B, the circle center of the bottom cylindrical section coincides with the circle center of an arc of the annular assembly, threads are engraved on the upper half portion of the bottom cylindrical section, the lower half portion of the bottom cylindrical section is provided with a light pillar, the middle threaded section is connected with the bottom cylindrical section through a lower end threaded hole, a section of smooth cylinder is reserved, the rotating device A can freely rotate around the bottom cylindrical section, the upper end of the middle threaded section is a combination of the threads and the light pillar, the top layer fixing piece is connected with the middle threaded section through the lower end threaded hole, a section of smooth cylinder is reserved, and the rotating device B can freely rotate around the smooth cylinder of the middle threaded section.

The rotating device A consists of a graduated scale A, a wing root blade and a fastening screw and is used for precisely cutting the edge of the wing root on the wing membrane to be cut. The inner side of the graduated scale A is provided with a ring which can be sleeved in the bottom cylindrical section of the base, so that the rotating device A can freely rotate around the bottom cylindrical section, the lower side of the middle section of the graduated scale A is marked with scale marks, the scale mark range should exceed the maximum chord length of the flapping wing, the scale body on the middle section of the graduated scale A is hollow to form a mouth shape, the protruding end on the outer side of the graduated scale is provided with a threaded hole, and a fastening screw is inserted into the threaded hole and used for fixing the graduated scale A at the designed wing root position. The upper half part of the wing root blade is a 'return' type sliding block which is fixed on the upper half part of the graduated scale A and can slide along the direction of the scale body, the lower half part is a rectangular sheet with two angles of a short side cut off, the moving direction is consistent with the direction of the cutting edge, and the cutting of the edge of the wing root of the wing membrane to be cut can be realized.

The wing leading and trailing edge finish layer includes a slide and a baffle. The sliding device consists of a graduated scale C, a sliding block, a front edge blade, a rear edge blade and a fastening screw, and can precisely cut the front edge and the rear edge of the wing membrane to be cut. The inner side of the graduated scale C is provided with an I-shaped boss which can slide along an I-shaped sliding groove of the base, the middle section of the graduated scale C is provided with a scale mark, the scale mark range is not smaller than the flapping span length, the starting end of the scale mark is provided with a front edge blade, the blade is pointed downwards by the graduated scale, the sliding block is in an inverted C shape and can freely slide along the middle section of the graduated scale C, a threaded hole is formed in the upper portion of the sliding block and used for inserting a fastening screw, the fastening screw is locked downwards and can fix the position of the sliding block, and the rear edge blade is inserted into the lower portion of the sliding block and used for cutting the rear edge of the airfoil membrane. The baffle is similar to a C shape, is inserted into the grooves on the front side and the rear side of the rectangular block of the base and can freely slide along the grooves on the two sides of the base, a threaded hole is formed above the baffle and used for inserting a fastening screw, the fastening screw is locked downwards to fix the baffle on the base, and the length of the sliding device for cutting the wing membrane is prevented from exceeding the designed flapping span length.

The wingtip processing layer comprises a rotating device B, the rotating device B consists of a graduated scale B, a sliding block, a wingtip blade and a fastening screw, and the wingtip edge of a winged membrane to be cut can be precisely cut; the inner side of the graduated scale B is provided with a circular ring which can be sleeved into the middle threaded section of the base, so that the rotating device B can rotate downwards to the vertical rectangular block from a position parallel to the rectangular block of the base around the middle threaded section, scale marks are engraved on the lower side of the middle section of the graduated scale B, the scale mark range is larger than the flapping span length, the sliding block is in an inverted C shape and can freely slide along the middle section of the graduated scale B, a threaded hole is formed in the upper portion of the sliding block and used for inserting a fastening screw, the fastening screw is locked downwards and can fix the position of the sliding block, and the wingtip blade is inserted below the sliding block and used for cutting the wingtip part of the wingtip membrane.

The flapping wing membrane material manufactured by utilizing the wing processing device of the miniature flapping wing aircraft comprises PI, PET, woven cloth and the like.

The process of making flapping wing with the wing machining device for miniature flapping wing aircraft includes the following steps:

1. fixing the wing membrane material on a horizontal smooth platform through an adhesive tape in a flat and unbroken manner, drawing the shape of the required wing membrane on the wing membrane material by using a pen, and placing a processing device on the wing membrane material to ensure that a processing area of the processing device covers the part of the wing membrane to be processed.

2. Adjusting the initial positions of the rotating device A, the sliding device, the baffle and the rotating device B; rotating the rotating device A to an angle which is the same as the designed wing root position of the flapping wing, adjusting a sliding block of the rotating device A to the position, close to the rear edge end, of the wing root, and then fixing the sliding block by using a fastening screw; sliding the sliding device to the end point of the cylindrical assembly with the sliding groove close to the base along the I-shaped sliding groove of the base, and fixing the baffle plate on the base through a fastening screw, so that the left side surface of the baffle plate is flush with the scale of the corresponding design span length of the flapping wings on the rectangular block of the base; and rotating the rotating device B to be horizontal, adjusting a sliding block of the rotating device B to enable the wing tip blade to be aligned to the wing tip position of the flapping wing, and then fixing the wing tip blade by using a fastening screw.

3. And treating the edge of the wing root, sliding the wing root blade along the graduated scale A from the end of the wing root close to the front edge to the end of the wing root close to the rear edge, loosening the fastening screw of the rotating device A, and rotating the rotating device A to the root point of the front edge of the wing membrane along the end of the wing root close to the front edge to complete the cutting of the edge of the wing root.

4. And processing the front edge and the rear edge of the wing, fixing a sliding block of the sliding device on a scale corresponding to the designed chord length of the flapping wing on the graduated scale C through fastening screws, sliding the sliding device along the rectangular block of the base until the front edge blade contacts the baffle, and respectively cutting the front edge and the rear edge of the wing membrane by the front edge blade and the rear edge blade.

5. And processing the wing tip edge, and rotating the rotating device B from the initial position until the wing tip blade track is intersected with the trailing edge blade track to finish the cutting of the wing tip edge.

6. And taking out the wing membrane below the device to obtain the complete wing membrane required by manufacturing the flapping wing. And cutting equal-length carbon rods according to the length of the auxiliary beam, and adhering the carbon rods to corresponding positions of the wing membranes by using glue. And reinforcing the auxiliary beam end point at the wing root arc line by using an adhesive tape, and avoiding damage caused by the defect of the wing membrane.

7. The glue is coated on the cutting position of the front edge of the wing, the edge is turned over along the line segment drawn by the front edge of the wing film to be pasted to form a sleeve, and then the adhesive tape is pasted on the cutting position of the wing root. Thus, the manufacturing of a complete flapping wing is completed. Repeating the above operations to obtain a pair of complete flapping wings which can be directly installed on a miniature flapping wing aircraft.

The invention has the advantages that:

(1) the wingspan, chord length and wing root deflection angle of flapping wings processed by the wing processing device of the miniature flapping wing aircraft can be freely adjusted within a certain range, and the scales of a graduated scale during actual processing are taken as the standard. Compared with the traditional flapping wing processing device, the flapping wing processing device has the advantage that the overall dimension of the processed flapping wing is more accurate.

(2) A blade for cutting off the material of wing membrane can move with a graduated scale or a slide block, the movement track is regular, the stress is stable, the height is kept unchanged, the edge of the cut wing membrane is smooth and has no flaw. When the pilot aircraft is used in actual test flight, the aerodynamic performance of the two side wings is symmetrical, the aircraft has no initial rolling torque, a pre-loaded rolling rudder is not required to be applied, the effective control rudder amount of the aircraft is ensured, and the control is convenient.

(3) A wing processing device of a miniature flapping wing aircraft adopts a pure mechanical structure, has a simple structure and is convenient to assemble and disassemble.

Drawings

FIG. 1 is a schematic view of the whole machining device for the wing of a micro flapping wing aircraft;

FIG. 2 is a schematic view of the base of a device for machining the wings of a miniature ornithopter according to the invention;

FIG. 3 is a schematic view of a cylindrical assembly of a base of a device for machining a wing of a micro ornithopter according to the present invention;

FIG. 4 is a schematic view of a turning device A of a wing processing device of a micro ornithopter according to the present invention;

FIG. 5 is a schematic view of the slide assembly of the device for machining the wings of a miniature ornithopter of the present invention;

FIG. 6 is a schematic view of a baffle of a device for machining a wing of a micro-ornithopter according to the invention;

FIG. 7 is a schematic view of a turning device B of a wing processing device of a micro ornithopter according to the present invention;

FIG. 8 is a schematic view of a machining portion of a wing machining device of a micro ornithopter of the present invention;

FIG. 9 is a schematic view of a flapping wing finished product processed by the wing processing device of the miniature flapping wing aircraft according to the present invention;

in the figure:

1-base 2-rotating device A3-sliding device 4-baffle

5-rotating device B

101-annular assembly 102-rectangular block 103-cylindrical assembly

1031-bottom cylindrical end 1032-middle threaded section 1031-top layer fixing piece

201-Scale A202-wing root blade 203-fastening screw

301-scale 302-slide block 303-fastening screw 304-leading edge blade

305-trailing edge blade

401-baffle body 402-fastening screw

501-scale B502-slide block 503-fastening screw 504-wingtip blade

6-the aerofoil membrane to be cut 6 a-the root camber line edge 6 b-the tip edge 6 c-the trailing edge

6 d-wing leading edge folding part 6 e-wing leading edge cutting part 6 f-wing root folding part 6 g-wing root cutting part

7-flapping wing finished product 701-complete wing membrane 702-auxiliary beam 703-adhesive tape

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings in which:

the invention relates to a device for processing a wing of a miniature flapping wing aircraft, which comprises a base 1 and a blade, wherein the base is a circular cylinder; 2-rotating device A; 3-a sliding device; 4-a baffle plate; 5-rotating means B.

A wing processing device of a micro flapping wing aircraft can be functionally divided into a wing root processing layer, a wing front and rear edge processing layer and a wing tip processing layer. The wing root processing layer is composed of a base 1 and a rotating device A2, wherein the rotating device A2 is sleeved into the bottom cylindrical end 1031 of the base 1 through a ring at one end and can rotate freely around the bottom cylindrical end 1031; the wing front and rear edge processing layer consists of a sliding device 3 and a baffle 4, and the sliding device and the baffle are fixed above the base through a strip-shaped groove of the base; the wingtip processing layer is a rotating device B5, and a rotating device B5 is sleeved into the middle thread section 1032 of the base 1 through a ring at one end and can rotate freely around the middle thread section 1032.

The base 1 of the wing root processing layer is composed of an annular assembly 101, a rectangular block 102 and a cylindrical assembly 103. For fixing the rotating means a2, the sliding means 3, the baffle 4 and the rotating means B5, and confirming the moving range of the rotating means a2 and the sliding means 3. One section of the annular assembly 101 is an arc with a central angle of 90 degrees, the other section of the annular assembly is an arc body, the upper surface of the arc is marked with angle scales from 0 degree to 90 degrees, the intersection point of the arc body and the arc body is marked with 90 degrees, and the inner diameter of the arc is more than 1.5 times of the length of the designed wingspan. The other end of the arc-shaped body is fixed with a rectangular block 102 of the base 1, the length of the rectangular block 102 is at least 1.5 times of the span length, and the length scale is marked to the lower right end point of the rectangular block 102 at the lower left corner zero point. The rectangular block 102 is provided with an elongated slot for insertion of the leading edge blade 304 of the slide 3. An I-shaped sliding groove is formed above the rectangular groove, so that the sliding device 3 can be connected with the base 101 through an I-shaped boss at one end. The front and back sides of the rectangular block 102 are provided with a rectangular groove, and the baffle 4 can be inserted into the rectangular groove to slide along the rectangular block of the base 101. The cylindrical assembly 103 is composed of a bottom cylindrical section 1031, a middle threaded section 1032 and a top layer fixing piece 1033 and is located on the left lower side of the rectangular block 102, the circle center of the bottom cylindrical section 1031 coincides with the circle center of an arc of the annular assembly 101, the upper half portion of the bottom cylindrical section 1031 is a thread, the lower half portion of the bottom cylindrical section 1031 is a light column, the middle threaded section 1032 is connected with the bottom cylindrical section 1031 through a lower end threaded hole, a section of smooth column is reserved, the rotating device A2 can freely rotate around the bottom cylindrical section 1031, the upper end of the middle threaded section 1032 is a combination of the thread and the light column, the top layer fixing piece 1033 is connected with the middle threaded section 1032 through the lower end threaded hole, a section of the smooth column is reserved, and the rotating device B5 can freely rotate around the smooth column of the middle threaded section 1032. The rotating device A2 is composed of a graduated scale A201, a wing root blade 202 and a fastening screw 203 and is used for processing a wing root cutting part 6g and a wing root folding part 6f on a wing membrane to be cut. The scale A201 inboard is a ring, can embolia the cylinder of 1 bottom cylinder section 1031 of base, and scale mark has been carved with to scale A201 interlude downside, and the scale mark scope should exceed the biggest chord length of flapping wing, and the side blade cavity on the scale A201 interlude forms "mouth" type, and scale A201 outside protrusion is served and is had a screw hole, and fastening screw 203 can insert the screw hole. The upper half part of the wing root blade 202 is a 'return' type sliding block, is fixed on the upper half part of the graduated scale A201 and can slide along the direction of the scale body, and the lower half part is a rectangular sheet with two corners on the short side cut off.

The wing front and rear edge processing layer comprises a sliding device 3 and a baffle 4, wherein the sliding device 3 consists of a graduated scale C301, a sliding block 302, a fastening screw 303, a front edge blade 304 and a rear edge blade 305 and is used for processing a wing rear edge 6C and a wing front edge cutting part 6e on a wing membrane to be cut. The inner side of the graduated scale C301 is provided with an I-shaped boss which can slide along an I-shaped sliding groove of the rectangular block 102 of the base 1, the middle section of the graduated scale C301 is provided with scale marks, the range of the scale marks is not smaller than the span length of the flapping wing, the starting end of the scale marks is provided with a front edge blade 304, a tool tip points downwards, the sliding block 302 is in an inverted C shape and can freely slide along the middle section of the graduated scale C301, a threaded hole is formed above the sliding block 302 and used for inserting a fastening screw 303, and a rear edge blade 305 is inserted below the sliding block 302 and used for cutting the rear edge 6C of the wing. The baffle body 401 of the baffle 4 is similar to a C shape, is inserted into the grooves at the front side and the rear side of the rectangular block 102 of the base 1, and can freely slide along the base 1. The flap body 401 has a threaded hole for receiving a fastening screw 402 to secure the flap 4 to the base 1 and prevent the length of the sliding device 3 cutting the wing membrane from exceeding the designed flapping span length.

The rotating device B5 of the wingtip processing layer consists of a graduated scale B501, a sliding block 502, a fastening screw 503 and a wingtip blade 504, and can accurately cut the wingtip edge 6B of the winged membrane to be cut. The scale B501 is sleeved in the middle threaded section 1032 of the base 1 through an inner circular ring. The lower side of the middle section of the graduated scale B501 is marked with scale marks, the range is larger than the flapping span length, the sliding block 502 is in an inverted C shape and can freely slide along the middle section of the graduated scale B501, a threaded hole is formed in the upper side of the sliding block 502 and used for inserting a fastening screw 503 and fixing the position of the sliding block 502, and the wingtip blade 504 is inserted into the lower side of the sliding block 502.

As shown in fig. 2, the base 1 is composed of a ring assembly 101, a rectangular block 102, and a cylindrical assembly 103. The annular assembly 101 is a 90-degree circular arc and is connected with a section of arc-shaped body, the upper surface of the circular arc is marked with angle scales from 0 degree to 90 degrees, the intersection point of the circular arc and the arc-shaped body is marked with 90 degrees, and the other end of the arc-shaped body is fixedly connected with the rectangular block 102 of the base 1. The length of the rectangular block 102 is at least 1.5 span lengths, and the lower left corner zero point is marked with a length scale to the lower right end of the rectangular block 102. The underside of the rectangular block 102 is designed with an elongate slot for insertion of the leading edge blade 304 of the slide 3. An I-shaped sliding groove is arranged above the rectangular groove, so that the sliding device 3 can be connected with the base 101. Rectangular grooves are formed in the front side and the rear side of the rectangular block 102, and the baffle plate 4 can be inserted into the rectangular grooves to slide along the rectangular block of the base 101.

As shown in fig. 3, the cylinder assembly 103 is composed of a bottom cylinder section 1031, an intermediate thread section 1032 and a top layer fixing member 1033, and is located on the lower left side of the rectangular block 102. The centre of a circle of bottom cylinder section 1031 and the coincidence of the circular arc centre of a circle of cyclic annular combination 101, bottom cylinder section 1031 first half is the screw thread, the latter half is the light beam, middle screw thread section 1032 is connected with bottom cylinder section 1031 through the screw hole in below to leave a section smooth cylinder, middle screw thread section 1032 upper end is the combination of screw thread and light beam, top layer mounting 1033 is connected with middle screw thread section 1032 through the lower extreme screw hole, and leave a section smooth cylinder. The base 1 is used for fixing the rotating device A2, the sliding device 3, the baffle 4 and the rotating device B5 and limiting the moving range of the rotating device A2 and the sliding device 3.

As shown in fig. 4, the rotating device A2 is composed of a scale a201, a wing root blade 202, and a fastening screw 203. The inboard cylinder that is a ring that can embolia base 1 bottom cylinder section 1031 of scale A201, scale mark has been carved with to scale A201 interlude downside, and the maximum chord length of flapping wing should be surpassed in the scale mark scope, and the blade cavity that scale A201 interlude leaned on forms "mouth" type, and scale A201 outside bulge has a screw hole, can insert fastening screw 203. The upper side of the wing root blade 202 is a 'return' type sliding block which is fixed on the upper half part of the graduated scale A201 and can slide along the direction of the scale body, and the lower side is a rectangular sheet with two corners of a short side cut off. The rotating device 2 can realize the precise cutting of the wing root cutting part 6g and the wing root arc line 6 a.

As shown in fig. 5, the slide device 3 includes a scale 301, a slider 302, a fastening screw 303, a leading edge blade 304, and a trailing edge blade 305. The inner side of the graduated scale 301 is provided with an I-shaped boss which can slide along an I-shaped sliding groove of the rectangular block 102 of the base 1, the middle section of the graduated scale C301 is provided with scale marks, the range is not less than the span length of the flapping wings, and a front edge blade 304 is fixed below the starting end of the scale and can be inserted into a rectangular groove of the rectangular block 102 of the base 1. The sliding block 302 is in a reverse C shape and can freely slide along the middle section of the graduated scale C301, and a threaded hole is formed in the upper portion of the sliding block 302 and used for inserting a fastening screw 303 to fix the position of the sliding block 302. A trailing edge blade 305 is inserted under the slider 302 for trimming the trailing edge 6c of the wing.

As shown in fig. 6, the baffle 4 is composed of a baffle main body 401 and fastening screws 402. The baffle body 401 is C-shaped, and rectangular protrusions are arranged at two ends of the baffle body and can be inserted into rectangular grooves on the front side and the rear side of the rectangular block 102 of the base 1. The baffle body 401 has a threaded hole above which a fastening screw 402 can be inserted to fix the baffle body 401 to the base 1, preventing the sliding device 3 from cutting the wing membrane to a length exceeding the designed flapping span length.

As shown in fig. 7, the turning device B5 is composed of a scale B501, a slider 502, a fastening screw 503, and a wing tip blade 504. The inner side of the graduated scale B501 is a ring which can be sleeved in the middle threaded section 1032 of the base 1. The lower side of the middle section of the graduated scale B501 is marked with scale marks, the range is larger than the span length of the flapping wing, the sliding block 502 is of an inverse C shape and can freely slide along the middle section of the graduated scale B501, a threaded hole is formed in the upper portion of the sliding block 502 and used for inserting a fastening screw 503 and fixing the position of the sliding block 502, and the wingtip blade 504 is inserted into the lower portion of the sliding block 502 and used for cutting the wingtip edge 6B.

As shown in fig. 8, the wing film 6 to be cut has 7 relevant line segments or arcs in the flapping wing processing process, which are respectively a wing root arc 6a, a wing tip edge 6b, a wing trailing edge 6c, a wing leading edge turning part 6d, a wing leading edge cutting part 6e, a wing root turning part 6f and a wing root cutting part 6 g. The edges of the vulnerable area are a wing root arc 6a, a wing tip edge 6b and a wing trailing edge 6c, and flaw-free or additional strengthening treatment is required during processing. The dotted line drawn edge is a portion which can be processed by the present processing apparatus. The wing root blade 202 of the rotating device A2 can accurately cut the wing root cutting part 6g and the wing root arc line 6a, and the wing root folding part 6f can be traced along the graduated scale A201; the wingtip blade 504 of the rotating device B5 can precisely shear the wingtip edge 6B; the leading edge blade 304 of the sliding device 3 can precisely cut the leading edge cutting part 6e of the wing, and the trailing edge blade 305 can precisely cut the trailing edge 6c of the wing; the wing front edge fold 6d can be traced along the inner edge of the rectangular block 102 of the base 1 in cooperation with the baffle 4.

As shown in fig. 9, the flapping wing finished product 7 is obtained by adding an auxiliary beam 702 and an adhesive tape 703 to a complete wing film 701 processed by a wing processing device of a micro flapping wing aircraft. The complete wing membrane 701 folds and sticks the wing front edge cut 6e along the wing front edge fold 6d to form a "sleeve". The auxiliary beam 702 can increase the rigidity of the flapping wing and effectively improve the lifting force of the flapping wing. The tape 703 is used to reinforce the root arc 6a and to secure the flapping wing root when assembled in a miniature flapping wing aircraft.

1. fixing the wing membrane 6 to be cut on a horizontal and smooth platform through an adhesive tape, depicting the shape of the required wing membrane by using a pen, and placing a processing device on the wing membrane 6 to be cut to ensure that the processing area of the processing device covers the part of the wing membrane to be processed.

2. Adjusting the initial positions of the rotating device A2, the sliding device 3, the baffle 4 and the rotating device B5; rotating the rotating device A2 to the same angle as the wing root position of the flapping wing design, adjusting the wing root blade 202 position of the rotating device A2 to the wing root near the trailing edge end, and then fixing by a fastening screw 203; sliding the sliding device 3 to an end point close to the cylindrical assembly 103 along an I-shaped sliding groove of the base 1, and fixing the baffle 4 to the base 1 through a fastening screw 402, so that the left side surface of the baffle main body 401 is flush with the scale of the flapping-wing design span length corresponding scale on the rectangular block 102; the rotating device B5 is rotated to the horizontal, the slider 502 of the rotating device B5 is adjusted to align the wingtip blade 504 with the wingtip position of the flapping wing design, and then secured with the fastening screw 503.

3. Processing the wing root cutting part 6g and the wing root arc 6a, sliding the wing root blade 202 along the graduated scale A201 from the wing root near the front edge end to the wing root near the rear edge end, loosening the fastening screw 203 of the rotating device A2, and rotating the rotating device A along the wing root near the front edge end to the root point of the wing membrane front edge to complete the cutting of the wing root arc 6 a.

4. Processing the wing front edge cutting part 6e and the wing rear edge 6C, fixing a sliding block 302 of the sliding device 3 on a scale C301 through a fastening screw 303, wherein the scale corresponds to the designed chord length of the flapping wing, moving the sliding device 3 along the rectangular block 102 of the base 1 until a front edge blade 304 contacts the baffle 4, and cutting the wing front edge cutting part 6e and the wing rear edge 6C respectively by the front edge blade 304 and the rear edge blade 305.

5. The wing tip edge 6B is processed and the rotating device B5 is rotated from the initial position until the wing tip blade 504 trajectory intersects the trailing edge blade 305 trajectory, completing the cut of the wing tip edge 6B.

6. And taking out the wing membrane below the processing device to obtain a complete wing membrane 701 required by manufacturing the flapping wing. Equal-length carbon rods are cut according to the designed length of the auxiliary beam, and are adhered to the corresponding position of the complete wing membrane 701 by glue to serve as the auxiliary beam 702. The tape 703 is used to reinforce the end point of the auxiliary beam 702 at the wing root arc 6a, so as to prevent the complete wing membrane 701 from being damaged due to the flaw.

7. Glue is applied to the wing leading edge cut 6e and is adhered along the depicted leading edge fold 6d to form a "sleeve", and then the tape 703 is adhered to the wing root cut 6 g. Thus, the finished flapping wing product 7 is manufactured. Repeating the above operations to obtain a pair of complete flapping wings which can be directly installed on a miniature flapping wing aircraft.

Claims

1. The utility model provides a processingequipment of wing of miniature flapping wing aircraft, includes from the function can divide into wing root working layer, wing front and back margin working layer and wing tip working layer, its characterized in that:

the wing root processing layer consists of a base and a rotating device A and is used for processing the edge of the root of the flapping wing;

the wing front and rear edge processing layers consist of sliding devices and baffles and are used for processing the front and rear edges of the flapping wings;

the wingtip processing layer is a rotating device B and is used for processing the edge of the wingtip.

2. The wing processing device of a micro ornithopter according to claim 1,

the base of the wing root processing layer consists of an annular assembly, a rectangular block and a cylindrical assembly; one section of the annular assembly is an arc with a central angle of 90 degrees, the other section of the annular assembly is an arc-shaped body, and the annular assembly is fixedly connected with the rectangular block at one end of the arc-shaped body; the front surface of the rectangular block is provided with an I-shaped sliding groove, the lower side of the rectangular block is provided with a long and thin sliding groove, the lower side of the long and thin sliding groove is provided with scale marks, and the front side and the rear side of the rectangular block are respectively provided with a groove; the cylindrical assembly consists of a bottom cylindrical section, a middle threaded section and a top layer fixing piece, is positioned at the lower left side of the rectangular block, the circle center of the bottom cylindrical section is superposed with the circle center of an arc of the annular assembly, the upper half part of the bottom cylindrical section is engraved with threads, the lower half part of the bottom cylindrical section is a light pillar, the middle threaded section is connected with the bottom cylindrical end through a lower threaded hole, the upper end of the middle threaded section is a combination of the threads and the light pillar, the top layer fixing piece is connected with the middle threaded section through a lower threaded hole, and a section of smooth cylinder is left;

the rotating device A of the wing root processing layer consists of a graduated scale A, a wing root blade and a fastening screw and is used for precisely cutting the edge of a wing root on a wing membrane to be cut; the inner side of the graduated scale A is provided with a ring which can be sleeved into the bottom cylindrical section of the base, so that the rotating device A can freely rotate around the bottom cylindrical section, the lower side of the middle section of the graduated scale A is carved with a scale mark, the scale body on the upper side of the middle section of the graduated scale A is hollow to form a mouth shape, the protruding end on the outer side of the graduated scale is provided with a threaded hole, and after a fastening screw is inserted into the threaded hole, the graduated scale A is fixed at the designed wing root position; the upper half part of the wing root blade is a 'return' type sliding block which is fixed on the upper half part of the graduated scale A and can slide along the direction of the scale body, the lower half part is a rectangular sheet with two angles of a short side cut off, the moving direction is consistent with the direction of the cutting edge, and the cutting of the edge of the wing root of the wing membrane to be cut can be realized.

3. The wing processing device of a micro ornithopter according to claim 1,

the wing front and rear edge processing layer sliding device consists of a graduated scale C, a sliding block, a front edge blade, a rear edge blade and a fastening screw, and can accurately cut the front edge and the rear edge of a wing film to be cut; the inner side of the graduated scale C is provided with an I-shaped boss which can slide along an I-shaped sliding groove of the base, the middle section of the graduated scale C is provided with a scale mark, the starting end of the scale mark is provided with a front edge blade, the blade is directed downwards by the graduated scale, the sliding block is in an inverted C shape and can freely slide along the middle section of the graduated scale C, a threaded hole is formed above the sliding block and used for inserting a fastening screw, the fastening screw is locked downwards to fix the position of the sliding block, and the rear edge blade is inserted below the sliding block and used for cutting the rear edge of the wing membrane; the baffle is similar to a C shape, is inserted into the grooves on the front side and the rear side of the rectangular block of the base and can freely slide along the grooves on the two sides of the base, a threaded hole is formed above the baffle and used for inserting a fastening screw, the fastening screw is locked downwards and can fix the baffle on the base, and the length of the sliding device for cutting the wing membrane is prevented from exceeding the designed wingspan length.

4. The device for processing the wing of a micro ornithopter according to claim 1,

the wingtip processing layer rotating device B consists of a graduated scale B, a sliding block, a wingtip blade and a fastening screw, and can be used for accurately cutting the wingtip edge of a winged membrane to be cut; the inner side of the graduated scale B is provided with a circular ring which can be sleeved into the middle thread section of the base, so that the rotating device B can rotate downwards to the vertical rectangular block from a position parallel to the rectangular block of the base around the middle thread section, scale marks are engraved on the lower side of the middle section of the graduated scale B, the sliding block is of an inverted C shape and can freely slide along the middle section of the graduated scale B, a threaded hole is formed in the upper portion of the sliding block and used for inserting a fastening screw, the fastening screw is locked downwards to fix the position of the sliding block, and the wing tip blade is inserted below the sliding block and used for cutting the wing tip part of the wing membrane.

5. The wing processing device of the micro ornithopter as claimed in claims 1 to 4, wherein the scale A has scale marks on the lower side of the middle section, the scale marks range exceeding the maximum chord length of the ornithopter; the middle section of the graduated scale C is provided with a graduated mark, and the range of the graduated mark is not less than the wingspan length of the flapping wing; and scale marks are marked on the lower side of the middle section of the graduated scale B, and the scale mark range is larger than the span length of the flapping wing.

6. The wing processing device of a miniature ornithopter as claimed in claim 1, wherein the flapping wing membrane material processed by the processing device comprises PI, PET, woven fabric, etc.

7. The process of making flapping wing with the wing machining device for miniature flapping wing aircraft includes the following steps:

(1) fixing a wing membrane material on a horizontal smooth platform through an adhesive tape in a flat and undamaged manner, drawing the shape of a required wing membrane on the wing membrane material by using a pen, placing a processing device on the wing membrane material, and ensuring that a processing area of the processing device covers the part of the wing membrane to be processed;

(2) adjusting the initial positions of the rotating device A, the sliding device, the baffle and the rotating device B; rotating the rotating device A to an angle which is the same as the designed wing root position of the flapping wing, adjusting a sliding block of the rotating device A to the position, close to the rear edge end, of the wing root, and then fixing the sliding block by using a fastening screw; sliding the sliding device to the end point of the cylindrical assembly with the sliding groove close to the base along the I-shaped sliding groove of the base, and fixing the baffle plate on the base through a fastening screw, so that the left side surface of the baffle plate is flush with the scale of the corresponding design span length of the flapping wings on the rectangular block of the base; rotating the rotating device B to be horizontal, adjusting a sliding block of the rotating device B to enable a wing tip blade to be aligned to the wing tip position of the flapping wing, and then fixing the wing tip blade by using a fastening screw;

(3) treating the edge of the wing root, sliding a wing root blade along a graduated scale A from the end of the wing root close to the front edge to the end of the wing root close to the rear edge, loosening a fastening screw of a rotating device A, and rotating the rotating device A to the root point of the front edge of the wing membrane along the end of the wing root close to the front edge to complete the cutting of the edge of the wing root;

(4) processing the front edge and the rear edge of the wing, fixing a sliding block of the sliding device on a scale corresponding to the designed chord length of the flapping wing on the graduated scale C through a fastening screw, sliding the sliding device along the rectangular block of the base until the front edge blade contacts the baffle, and cutting the front edge and the rear edge of the wing membrane respectively by the front edge blade and the rear edge blade;

(5) processing the wing tip edge, and rotating a rotating device B from an initial position until the wing tip blade track is intersected with the trailing edge blade track to finish the cutting of the wing tip edge;

(6) taking out the wing membrane below the device to obtain a complete wing membrane required by manufacturing a flapping wing; cutting equal-length carbon rods according to the length of the auxiliary beam, and adhering the carbon rods to corresponding positions of the wing membranes by using glue; reinforcing the auxiliary beam end point at the wing root arc line by using an adhesive tape, and avoiding damage caused by flaws at the wing membrane;

(7) coating glue on the wing front edge cutting position, turning and pasting the edge along the line segment drawn by the wing film front edge to form a sleeve, and pasting an adhesive tape on the wing root cutting position; and at this moment, the manufacturing of one complete flapping wing is finished, and the operations are repeated to obtain a pair of complete flapping wings.