Forming tool for aircraft semi-circular structural members and method of use

Abstract

The application provides an airplane semicircle structural member forming tool and a use method thereof. The airplane semicircle structural member forming tool comprises a fixed main disc, a fixed support is fixedly connected to one side of the outer surface of the fixed main disc, a first motor is fixedly installed on one side of the outer surface of the fixed support, a mounting cylinder is fixedly connected to the driving end of the first motor, a driving assembly is installed in the mounting cylinder, lifting assemblies are symmetrically installed on the outer surface of the mounting cylinder, fixed blocks are fixedly connected to the movable ends of the two lifting assemblies, and a pressure roller is rotatably connected between the two fixed blocks. The fixed main disc, the pressure roller, the lifting assemblies, the driving assembly, the fixed blocks, the mounting cylinder and the first motor can be used for one-time rolling forming of a pipe mouth semicircle trapezoidal high-temperature alloy structural member, wrinkles caused by stamping can be avoided, the installation effect and the sealing performance after installation are ensured, and the bending precision after forming is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of aircraft semi-circular structural members, in particular to an aircraft semi-circular structural member forming tool and a method for using the same. BACKGROUND

[0002] The fuselage structural members of an aircraft generally include frames, beams, ribs, slides and other related components, which effectively connect the structures such as engines, wings and landing gears, thereby ensuring the integrity of the aircraft.

[0003] The exhaust pipes and silencer compartments of an aircraft are provided with semi-circular trapezoidal high-temperature alloy structural members, thereby improving the rigidity and sealing performance of the thin-walled pipe members. The semi-circular trapezoidal high-temperature alloy structural members of the pipe mouth formed by stamping have a large curvature, which causes wrinkles on the surface of the semi-circular trapezoidal high-temperature alloy structural members after stamping, thereby affecting the installation effect and the sealing performance after installation. SUMMARY

[0004] (I) Technical problems solved

[0005] In view of the deficiencies of the prior art, the present application provides an aircraft semi-circular structural member forming tool and a method for using the same, which solves the problem of wrinkles on the surface of the semi-circular trapezoidal high-temperature alloy structural member after processing and forming.

[0006] (II) Technical solutions

[0007] To achieve the above-mentioned purposes, the present application is implemented by the following technical solutions: an aircraft semi-circular structural member forming tool and a method for using the same, comprising a fixed main disc, the outer surface of the fixed main disc is fixedly connected with a fixed support on one side, the outer surface of the fixed support is fixedly installed with a first motor on one side, the driving end of the first motor is fixedly connected with an installation cylinder, the installation cylinder is internally installed with a driving assembly, the outer surface of the installation cylinder is symmetrically installed with a lifting assembly, the movable end of the two lifting assemblies is fixedly connected with a fixed block, the two fixed blocks are jointly rotatably connected with a pressure roller, the bottom of the two fixed blocks is rotatably connected with a positioning roller matched with the fixed main disc, the upper portion of the fixed main disc is provided with a cutting assembly, and the outer surface of the fixed main disc is installed with a pushing assembly on one side.

[0008] The method for using the aircraft semi-circular structural member forming tool comprises the following steps:

[0009] S1: first, the blank strip is positioned and conveyed by the external conveying roller shaft;

[0010] S2: then, the fixed block and the pressure roller are driven by the driving assembly and the lifting assembly to approach the fixed main disc, thereby locally extruding the blank strip to cause deformation;

[0011] S3: then cooperate with the first motor with each component drive pressure roll rotation;

[0012] S4: the pressure roll with fixed main plate extrusion forming of the blank strip;

[0013] S5: after forming, cutting assembly is cut, and the pusher assembly is assisted to unload.

[0014] Preferably, the driving assembly comprises a double shaft motor, the bottom of the double shaft motor is fixedly connected with a mounting plate, and the mounting plate is fixedly connected with the mounting cylinder, both output shafts of the double shaft motor are fixedly connected with worms, the outer surfaces of the two worms are meshingly connected with worm gears, the top of the two worm gears is fixedly connected with a connecting shaft, and the power supply of the double shaft motor is fixedly connected with the mounting cylinder at the time of installation, one end of the external electric slip ring is fixedly connected with the mounting cylinder, and the other end of the electric slip ring is fixedly installed with an external mounting structure, so that the external power supply can still provide power for the double shaft motor when the mounting cylinder rotates.

[0015] Preferably, the two lifting assemblies each comprise a lead screw and a fixed cylinder, the lead screw is fixedly connected with the adjacent connecting shaft, the lead screw extends through the inside of the mounting cylinder to the outer surface and is rotatably connected with the outer surface, a bearing is jointly installed between the lead screw and the mounting cylinder, the inner ring of the bearing is fixedly connected with the lead screw, and the outer ring of the bearing is fixedly connected with the mounting cylinder, which is helpful for the installation of the lead screw and reduces the friction when the lead screw rotates, the fixed cylinder is fixedly connected with the mounting cylinder, the top end of the fixed cylinder is slidably connected with a movable rod, the movable rod is fixedly connected with a fixed block, a threaded hole is formed in the bottom of the movable rod, and the threaded hole is threadedly connected with the lead screw, the movable rod is in the direction, and at this time, the movable rod is slidably connected with the fixed cylinder, so that the fixed cylinder has a limiting effect on the movable rod and ensures the stable operation of the lifting assembly.

[0016] Preferably, the outer surface of the fixed main plate is provided with an annular pressing groove, and the annular pressing groove is consistent with the appearance of the semicircular trapezoidal high-temperature alloy structural member of the formed pipe mouth.

[0017] Preferably, the pressure roller comprises a pressure shaft, the pressure shaft is rotatably connected with the fixed block, the outer surface of the pressure shaft is fixedly connected with a cam, and the cam is matched with the annular pressing groove, so that the blank strip can be extruded and deformed to form.

[0018] Preferably, the pushing assembly comprises an assembly cavity, which is arranged in the interior of the fixed main disc, and a through hole is arranged between the assembly cavity and the annular pressing groove, an electromagnet is fixedly connected to the interior of the assembly cavity, a metal plate is adsorbed to one side of the outer surface of the electromagnet, a push rod is fixedly connected to one side of the outer surface of the metal plate in a sliding mode with the through hole, and a spring is fixedly connected between the metal plate and the assembly cavity.

[0019] Preferably, the pushing assembly comprises an installation cavity, which is arranged in the interior of the fixed main disc, and a top exit is arranged between the installation cavity and the annular pressing groove, a second motor is fixedly connected to the interior of the installation cavity, a screw rod is fixedly connected to the driving end of the second motor, a top seat is threadedly connected to the outer surface of the screw rod, the top seat is matched with the top exit, the cross section of the top seat and the installation cavity are both square, the outer wall of the top seat is connected to the inner wall of the installation cavity in a sliding mode, and the second motor is used to drive the pushing assembly to run, so that the pipe mouth half-circular trapezoidal high-temperature alloy structural member can be easily pushed out of the annular pressing groove.

[0020] Preferably, the cutting assembly comprises a top plate, which is arranged above the fixed main disc, an electric telescopic push rod is fixedly connected to the bottom of the top plate, and a cutter matched with the annular pressing groove is fixedly connected to the movable end of the electric telescopic push rod, the top plate and the electric telescopic push rod are fixedly connected in a bolted mode, which is beneficial to the installation and dismounting of the electric telescopic push rod.

[0021] Preferably, the middle of the fixed main disc is arranged in a hollow mode and matched with the installation cylinder, the hollow arrangement is beneficial to the installation and rotation of the installation cylinder, and can avoid affecting the overall operation.

[0022] Preferably, in S1, the width of the blank strip is consistent with the width of the fixed main disc, so that the blank strip can be positioned and extruded.

[0023] Working principle: firstly, the blank strip is positioned and conveyed through the external roller shaft conveying device, when the blank strip is located between the pressing roller and the fixed main disc, the double-shaft motor is started, the double-shaft motor drives the worm to rotate, the worm drives the connecting shaft to rotate through the worm gear, the connecting shaft drives the lead screw to rotate, so as to drive the two movable rods to move towards the interior of the fixed cylinder, the movable rods drive the pressing roller to approach the fixed main disc through the fixed block, so as to extrude the blank strip and make it deform, then the first motor drives the installation cylinder to rotate, so as to drive the pressing roller to rotate along the fixed main disc through the lifting assembly and the fixed block, so as to extrude and form the blank strip, then the electric telescopic push rod drives the cutter to move downwards until the formed pipe mouth half-circular trapezoidal high-temperature alloy structural member is cut off, and the pushing assembly cooperates to push the formed pipe mouth half-circular trapezoidal high-temperature alloy structural member to fall.

[0024] (III) Beneficial Effects

[0025] The present application provides an aircraft semi-circular structural member forming tool and a method of using the same.

[0026] The present application has the following beneficial effects:

[0027] 1. The present application can roll and form the pipe mouth semi-circular trapezoidal high-temperature alloy structural member at one time through the fixed main plate, pressure roller, lifting assembly, driving assembly, fixed block, mounting cylinder and first motor, which can avoid the wrinkles caused by stamping, thereby ensuring the installation effect and the sealing after installation, and also ensuring the bending accuracy after forming.

[0028] 2. The present application can cut and discharge the pipe mouth semi-circular trapezoidal high-temperature alloy structural member after forming through the cutting assembly and the pushing assembly, thereby increasing the overall functionality. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a perspective view of the aircraft semi-circular structural member forming tool and the method of using the same;

[0030] Figure 2 It is a positioning roller installation schematic diagram of the aircraft semi-circular structural member forming tool and the method of using the same;

[0031] Figure 3 It is a cutting assembly position schematic diagram of the aircraft semi-circular structural member forming tool and the method of using the same;

[0032] Figure 4 It is a pushing assembly structure schematic diagram in the first embodiment of the aircraft semi-circular structural member forming tool and the method of using the same;

[0033] Figure 5 It is a pushing assembly structure schematic diagram in the second embodiment of the aircraft semi-circular structural member forming tool and the method of using the same;

[0034] Figure 6 It is a lifting assembly structure schematic diagram of the aircraft semi-circular structural member forming tool and the method of using the same;

[0035] Figure 7 It is a mounting cylinder sectional view of the aircraft semi-circular structural member forming tool and the method of using the same.

[0036] The components include: 1. Fixed main plate; 101. Annular pressure groove; 2. Lifting assembly; 201. Fixed cylinder; 202. Movable rod; 203. Threaded hole; 204. Lead screw; 3. Pressure roller; 301. Cam; 302. Pressure shaft; 4. Fixed block; 5. Mounting cylinder; 6. First motor; 7. Fixed bracket; 8. Positioning roller; 901. Electric telescopic push rod; 902. Cutter; 903. Top plate; 1001. Spring; 1002. Metal plate; 1003. Push rod; 1004. Electromagnet; 1005. Assembly cavity; 1006. Through hole; 1011. Top seat; 1012. Top outlet; 1013. Second motor; 1014. Screw; 1015. Mounting cavity; 1101. Dual-axis motor; 1102. Connecting shaft; 1103. Worm gear; 1104. Mounting plate; 1105. Worm. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Example 1:

[0039] like Figures 1-7 As shown, this embodiment of the invention provides a forming fixture for a semi-circular structure of an aircraft and its usage method, including a fixed main plate 1. A fixed bracket 7 is fixedly connected to one side of the outer surface of the fixed main plate 1. The fixed bracket 7 is fixedly connected to the fixed main plate 1 by bolts, which facilitates the installation and disassembly of the fixed bracket 7. A first motor 6 is fixedly installed on one side of the outer surface of the fixed bracket 7. The first motor 6 is also connected to the fixed bracket 7 by bolts, which facilitates the installation and disassembly of the first motor 6. An installation cylinder 5 is fixedly connected to the drive end of the first motor 6. The installation cylinder 5 rotates with the fixed bracket 7 through a bearing. The bearing provides support for the installation cylinder 5, which facilitates the installation of the installation cylinder 5 and reduces the friction when the installation cylinder 5 rotates. A drive assembly is installed inside the installation cylinder 5. Lifting assemblies 2 are symmetrically installed on the outer surface of the installation cylinder 5. Fixed blocks 4 are fixedly connected to the movable ends of the two lifting assemblies 2. A pressure roller 3 is rotatably connected between the two fixed blocks 4. A positioning roller 8 that matches the fixed main plate 1 is rotatably connected to the bottom of the two fixed blocks 4. A cutting assembly is provided above the fixed main plate 1. A pushing assembly is installed on one side of the outer surface of the fixed main plate 1.

[0040] When the embryo strip limiting distance conveying is completed, the driving assembly synchronously drives the two lifting assemblies 2 to operate, so that the fixed block 4 drives the compression roller 3 to approach the fixed main disc 1, the compression roller 3 extrudes the embryo strip, and the fixed main disc 1 cooperates to make the embryo strip form a trapezoidal cross section, and then each component drives the compression roller 3 to rotate along the fixed main disc 1, so that the pipe mouth half circle trapezoidal high-temperature alloy structure is formed.

[0041] Figure 1 and Figure 3 As shown in the figure, the middle of the fixed main disc 1 is hollow and matched with the mounting cylinder 5.

[0042] The fixed main disc 1 is integrally formed by sand casting, and then is finished by a numerical control lathe. The sand casting mold is mainly used for the molding material of the sand casting mold, which is relatively low in price and easy to obtain, and is relatively simple to make. It not only can meet the single production of the fixed main disc 1, but also can meet the batch large-scale production of the fixed main disc 1.

[0043] Figure 2 、 Figure 3 and Figure 4 As shown in the figure, the outer surface of the fixed main disc 1 is provided with an annular pressing groove 101. The compression roller 3 includes a compression shaft 302, and the compression shaft 302 is rotatably connected between the fixed block 4. The outer surface of the compression shaft 302 is fixedly connected with a cam 301. The compression shaft 302 and the cam 301 are integrally casted, which can reduce the processing steps and assembly links, simplify the processing technology, and the cam 301 is matched with the annular pressing groove 101.

[0044] The gap between the cam 301 and the annular pressing groove 101 and the gap between the compression shaft 302 and the outer surface of the fixed main disc 1 can form a trapezoid. When the compression roller 3 moves along the fixed main disc 1, the pipe mouth half circle trapezoidal high-temperature alloy structure can be formed by one rolling, which can avoid the wrinkles caused by stamping.

[0045] Figure 3 As shown in the figure, the cutting assembly includes a top plate 903, and the top plate 903 is located above the fixed main disc 1. The bottom of the top plate 903 is fixedly connected with an electric telescopic push rod 901. The electric telescopic push rod 901 has a limiting function itself, can push the cutter 902 up and down, and ensures the stability of the cutter 902. The movable end of the electric telescopic push rod 901 is fixedly connected with a cutter 902 matched with the annular pressing groove 101. The inner surface of the annular pressing groove 101 and the outer surface of the fixed main disc 1 are provided with a cutter groove at the cutter 902. The cutter groove is matched with the cutter 902, which can avoid the hard contact between the cutter 902 and the fixed main disc 1 when cutting the formed pipe mouth half circle trapezoidal high-temperature alloy structure, has a protection effect on the cutter 902, and increases the service life of the cutter 902.

[0046] The top plate 903 is fixedly installed above the fixed main disc 1 before use, and then the electric telescopic push rod 901 and the cutter 902 are installed corresponding to the cutter groove.

[0047] Figure 3 、 Figure 6 and Figure 7 As shown in the figure, each lifting assembly 2 comprises a screw rod 204 and a fixed cylinder 201, and the screw rod 204 is fixedly connected with the adjacent connecting shaft 1102. The screw rod 204 and the connecting shaft 1102 can be connected by welding. The welding connection structure is simple and does not require accessories, which can reduce the installation space. The screw rod 204 extends through the inside of the installation cylinder 5 to the outer surface and is rotatably connected therewith. A bearing is jointly installed between the screw rod 204 and the installation cylinder 5. The inner ring of the bearing is fixedly sleeved on the outer surface of the screw rod 204, and the outer ring of the bearing is fixedly connected with the installation cylinder 5. The bearing supports the screw rod 204 and reduces the friction when the screw rod 204 rotates. The fixed cylinder 201 is fixedly connected with the installation cylinder 5. The top end of the fixed cylinder 201 is slidably connected with a movable rod 202, and the movable rod 202 is fixedly connected with the fixed block 4. The cross section of the movable rod 202 is square or polygonal. In this way, after the outer wall of the movable rod 202 slides with the fixed cylinder 201, the fixed cylinder 201 limits the movable rod 202, so that the movable rod 202 can stably move under the drive of the screw rod 204. Threaded holes 203 are formed in the bottom of the movable rod 202, and the threaded holes 203 are threadedly connected with the screw rod 204.

[0048] The driving assembly drives the two screw rods 204 to rotate. The screw rod 204 can drive the movable rod 202 to move when cooperating with the threaded holes 203, so as to change the distance of the movable rod 202 extending out of the fixed cylinder 201, and thus change the distance of the fixed block 4 extending out.

[0049] Figure 4 As shown in the figure, the pushing assembly comprises an assembly cavity 1005, which is formed in the inside of the fixed main disc 1. The assembly cavity 1005 and the annular pressing groove 101 jointly form a through hole 1006. An electromagnet 1004 is fixedly connected in the inside of the assembly cavity 1005. A metal plate 1002 is adsorbed on one side of the outer surface of the electromagnet 1004. The metal plate 1002 can be made of iron. Iron is easy to be magnetized compared with other metals, and the price is relatively low. A push rod 1003 is slidably connected with the through hole 1006 and is fixedly connected on one side of the outer surface of the metal plate 1002. A spring 1001 is jointly fixedly connected between the metal plate 1002 and the assembly cavity 1005, which is conducive to the ejection of the formed pipe mouth half-circular trapezoidal high-temperature alloy structural part.

[0050] After the pipe mouth half-round trapezoidal high-temperature alloy structural member is cut off, the power supply of the electromagnet 1004 is turned off, the electromagnet 1004 cannot adsorb the metal plate 1002, so that the metal plate 1002 loses the binding force, at this time the spring 1001 pushes the metal plate 1002 to move, thereby pushing the push rod 1003 to move, the push rod 1003 pushes out through the through hole 1006, thereby toppling the pipe mouth half-round trapezoidal high-temperature alloy structural member, then the electromagnet 1004 continues to be powered, thereby generating an attractive force on the metal plate 1002, because the attractive force is greater than the spring force of the spring 1001 itself, so that the metal plate 1002 and the push rod 1003 are reset under the action of the electromagnet 1004.

[0051] Figure 7 As shown, the driving assembly includes a double-shaft motor 1101, the power supply line of the double-shaft motor 1101 is fixedly connected with one end of the external electric slip ring and the mounting cylinder 5 during installation, and the other end of the electric slip ring is fixedly installed with the external mounting structure, so that when the mounting cylinder 5 rotates, the external power supply can still provide power for the double-shaft motor 1101, the bottom of the double-shaft motor 1101 is fixedly connected with a mounting plate 1104, and the mounting plate 1104 is fixedly connected between the mounting cylinder 5, both output shafts of the double-shaft motor 1101 are fixedly connected with worms 1105, the outer surfaces of the two worms 1105 are meshingly connected with worm gears 1103, and the top of the two worm gears 1103 is fixedly connected with a connecting shaft 1102, so as to conveniently synchronously drive the two lifting assemblies 2 to operate.

[0052] When it is necessary to drive the lifting assembly 2 to operate, the double-shaft motor 1101 is started, the double-shaft motor 1101 synchronously drives the two worms 1105 to rotate, the two worms 1105 respectively drive the worm gears 1103 meshed therewith to rotate, thereby driving the two connecting shafts 1102 to rotate, and the connecting shaft 1102 drives the adjacent lead screws 204 to operate, thereby realizing the operation of the two lifting assemblies 2.

[0053] Example two:

[0054] Figure 5As shown, the pushing assembly includes a mounting cavity 1015, which is opened in the interior of the fixed main disc 1, and a heat dissipation hole is jointly opened between the inner surface of the mounting cavity 1015 and the outer surface of the fixed main disc 1, which is beneficial to the heat dissipation of the second motor 1013 during use. The mounting cavity 1015 and the annular pressing groove 101 jointly open a top outlet 1012, which can be circular, square or polygonal in cross section, which can be determined according to the production process. The interior of the mounting cavity 1015 is fixedly connected with the second motor 1013. The driving end of the second motor 1013 is fixedly connected with a screw rod 1014. The screw rod 1014 and the driving shaft of the second motor 1013 can be welded or bolted. The welding structure is simple, firm and durable, but welding equipment is needed. The bolted structure is simple, but requires accessories and occupies a certain installation space. The outer surface of the screw rod 1014 is threadedly connected with a top seat 1011, which matches the top outlet 1012. The cross sections of the top seat 1011 and the mounting cavity 1015 are square. The outer wall of the top seat 1011 is slidingly connected with the inner wall of the mounting cavity 1015. The inner wall of the mounting cavity 1015 limits the top seat 1011, which can ensure that the top seat 1011 moves stably under the drive of the screw rod 1014.

[0055] After the pipe mouth half-circular trapezoidal high-temperature alloy structural member is cut off, the second motor 1013 drives the screw rod 1014 to rotate, thereby driving the top seat 1011 to move. The top seat 1011 moves along the inner wall of the mounting cavity 1015 until the formed pipe mouth half-circular trapezoidal high-temperature alloy structural member is ejected.

[0056] Example three:

[0057] The use method of the aircraft half-circular structural member forming tool includes the following steps:

[0058] S1: First, the blank strip is positioned and conveyed by the external conveying roller shaft. The width of the blank strip is consistent with the width of the fixed main disc 1. The blank strip is positioned and conveyed by the external conveying roller shaft, which can avoid position deviation of the blank strip, and the conveying length is determined according to the circumference of the half circle of the formed pipe mouth half-circular trapezoidal high-temperature alloy structural member;

[0059] S2: Then, the fixed block 4 and the pressing roller 3 are driven by the driving assembly to approach the fixed main disc 1, thereby locally extruding the blank strip to make it deform. The driving assembly simultaneously drives two lifting assemblies 2 to operate, which not only saves energy consumption, but also improves driving accuracy and ensures the pressing force of the pressing roller 3 on the blank strip;

[0060] S3: Then, the pressing roller 3 is driven to rotate in cooperation with the first motor 6 and various components. The first motor 6 drives the mounting cylinder 5 to rotate, so that the pressing roller 3 rotates around the mounting cylinder 5 as the center.

[0061] S4: The cam 301 and the pressing shaft 302 of the pressing roller 3 cooperate with the annular pressing groove 101 to press the blank strip into shape;

[0062] S5: After the forming, the cutting assembly is used to cut the formed pipe, and the pushing assembly is used to assist the discharging, which is beneficial to the discharging of the pipe mouth semi-circular trapezoidal high-temperature alloy structure.

[0063] It is to be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0064] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions, and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A forming tool for a semi-circular aircraft structure, comprising a fixed master plate (1), characterized in that: The outer surface side of the fixed main disc (1) is fixedly connected with a fixed support (7), the outer surface side of the fixed support (7) is fixedly installed with a first motor (6), the driving end of the first motor (6) is fixedly connected with a mounting cylinder (5), the inside of the mounting cylinder (5) is installed with a driving assembly, the outer surface of the mounting cylinder (5) is symmetrically installed with two lifting assemblies (2), the movable end of the two lifting assemblies (2) is fixedly connected with a fixed block (4), the fixed block (4) is rotatably connected with a pressure roller (3) between the two fixed blocks (4), the bottom of the two fixed blocks (4) is rotatably connected with a positioning roller (8) matched with the fixed main disc (1), the upper side of the fixed main disc (1) is provided with a cutting assembly, and the outer surface side of the fixed main disc (1) is installed with a pushing assembly; The outer surface of the fixed main disc (1) is provided with an annular pressing groove (101), and the middle of the fixed main disc (1) is provided with a hollow structure matched with the mounting cylinder (5); The pressure roller (3) comprises a pressure shaft (302), and the pressure shaft (302) is rotatably connected between the fixed block (4); the outer surface of the pressure shaft (302) is fixedly connected with a cam (301), and the cam (301) is matched with the annular pressing groove (101); The method for using the airplane semicircular structure forming tool comprises the following steps: S1: first, the blank strip is positioned and conveyed by the external conveying roller shaft; S2: then, the fixed block (4) and the pressure roller (3) are driven to approach the fixed main disc (1) by the driving assembly cooperating with the lifting assembly (2), so that the blank strip is locally extruded to deform, so that the blank strip forms a trapezoidal cross section; S3: then, the pressure roller (3) is driven to rotate along the fixed main disc (1) by the first motor (6) cooperating with each component; S4: the blank strip is extruded and formed by the pressure roller (3) cooperating with the fixed main disc (1); S5: after forming, the blank strip is cut by the cutting assembly, and the pushing assembly assists in discharging.

2. The aircraft semicircular structural member forming tooling of Claim 1, wherein: The driving assembly comprises a double-shaft motor (1101), the bottom of the double-shaft motor (1101) is fixedly connected with a mounting plate (1104), the mounting plate (1104) is fixedly connected between the double-shaft motor (1101) and the mounting cylinder (5), the two output shafts of the double-shaft motor (1101) are fixedly connected with worms (1105), the outer surfaces of the two worms (1105) are meshingly connected with worms (1103), and the top of the two worms (1103) is fixedly connected with a connecting shaft (1102).

3. The aircraft semicircular structural member forming tooling of Claim 2, wherein: Two lifting assemblies (2) each include a screw rod (204) and a fixed cylinder (201), the screw rod (204) is fixedly connected between the adjacent connecting shaft (1102), and the screw rod (204) extends through the inside of the mounting cylinder (5) to the outer surface and is rotationally connected therewith, the fixed cylinder (201) is fixedly connected with the mounting cylinder (5), the top end of the fixed cylinder (201) is slidably connected with a movable rod (202), and the movable rod (202) is fixedly connected with the fixed block (4), the bottom of the movable rod (202) is provided with a threaded hole (203), and the threaded hole (203) is threadedly connected with the screw rod (204).

4. The aircraft semicircular structural member forming tooling of Claim 1, wherein: The pushing assembly includes an assembly cavity (1005) which is arranged in the inside of the fixed main disc (1), the assembly cavity (1005) and the annular pressing groove (101) are jointly provided with a through hole (1006), the inside of the assembly cavity (1005) is fixedly connected with an electromagnet (1004), one side of the outer surface of the electromagnet (1004) is adsorbed with a metal plate (1002), one side of the outer surface of the metal plate (1002) is fixedly connected with a push rod (1003) which is slidably connected with the through hole (1006), and the metal plate (1002) and the assembly cavity (1005) are jointly fixedly connected with a spring (1001).

5. The aircraft semicircular structural member forming tooling of Claim 1, wherein: The pushing assembly includes an installation cavity (1015) which is arranged in the inside of the fixed main disc (1), the installation cavity (1015) and the annular pressing groove (101) are jointly provided with a top outlet (1012), the inside of the installation cavity (1015) is fixedly connected with a second motor (1013), the driving end of the second motor (1013) is fixedly connected with a screw rod (1014), the outer surface of the screw rod (1014) is threadedly connected with a top seat (1011), the top seat (1011) is matched with the top outlet (1012), the top seat (1011) and the installation cavity (1015) are both square in cross section, and the outer wall of the top seat (1011) is slidably connected with the inner wall of the installation cavity (1015).

6. The aircraft semicircular structural member forming tooling of Claim 5, wherein: The cutting assembly includes a top plate (903) which is arranged above the fixed main disc (1), the bottom of the top plate (903) is fixedly connected with an electric telescopic push rod (901), the movable end of the electric telescopic push rod (901) is fixedly connected with a cutter (902) which is matched with the annular pressing groove (101).

7. The aircraft semicircular structural member forming tooling of Claim 5, wherein: In S1, the width of the embryo strip is consistent with the width of the fixed main disc (1).

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