CN115179052A

CN115179052A - Aerospace engine flame tube head machining device and method

Info

Publication number: CN115179052A
Application number: CN202211112424.8A
Authority: CN
Inventors: 王鹏; 任金茹; 陆阳; 马春力
Original assignee: Beijing Chengli Technology Co ltd
Current assignee: Beijing Chengli Technology Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-10-14
Anticipated expiration: 2042-09-14
Also published as: CN115179052B

Abstract

The invention discloses a device and a method for processing the head of a flame tube of an aerospace engine, belonging to the technical field of processing of parts of aerospace equipment. The invention can make the blank formed in one step, avoid complex working procedures and avoid the generation of part defects.

Description

Aerospace engine flame tube head machining device and method

Technical Field

The invention belongs to the technical field of aerospace equipment part machining, and particularly relates to a device and a method for machining the head of a flame tube of an aerospace engine.

Background

An aero-engine (aero-engine) is a highly complex and precise thermal machine, the traditional aero-engine is developing to a gear transmission engine, a variable cycle engine, a multi-electric engine, an indirect cooling regenerative engine and an open rotor engine, a non-traditional pulse detonation engine, a scramjet engine, a turbine-based combined engine, a solar power and a fuel cell power are also continuously mature, in the existing aero-engine, a combustion chamber is a place where fuel or propellant burns to generate high-temperature gas, one important component of the combustion chamber is a flame tube, the flame tube is a metal thin-wall tube body for controlling burning, mixing and cooling, and generally comprises a flame tube head, a swirler, a gas conduit and the like, wherein the function of the flame tube head is mainly to enable the high-temperature gas to form a low-speed backflow area at the flame tube head so as to ensure ignition, stable burning and complete burning.

The invention provides a device and a method for processing a flame tube head of an aerospace engine, which aims to process and form the flame tube head cap of the aerospace engine at one time and prevent the repeated assembly and disassembly from causing part defects.

In the prior art, a chinese patent with publication number CN112091543B discloses a flame tube head processing device and a processing method, and the technical scheme adopted by the invention is as follows: the method comprises the steps of firstly placing the annular blank into a forming die to form a U-shaped structure, then carrying out heat treatment, then stretching and forming the flame tube convex hull, clamping parts by using a processing device, carrying out turning end face processing, milling the convex hull on the premise of not dismounting the clamping device, compressing the convex hull at intervals during milling the convex hull, milling the uncompressing convex hull, then compressing the milled convex hull, further milling the rest convex hull, and simultaneously milling a plurality of convex hulls during milling.

Disclosure of Invention

In order to solve the technical problems, the invention provides a device for machining the head of a flame tube of an aerospace engine, which comprises a base, wherein a lower template is arranged on the base, the base is connected with a top seat through a guide sliding column, the guide sliding column simultaneously penetrates through the lower template and an upper die frame, a stamping hydraulic cylinder is arranged on the top seat, a piston rod of the stamping hydraulic cylinder is connected with an upper die frame, a male die is arranged on the lower template, a female die is arranged on the upper die frame, the male die is matched with the female die to form a blank, a plurality of lower sealing holes are uniformly formed in the circumference of the male die, a plurality of upper sealing holes are uniformly formed in the circumference of the female die, the number and positions of the lower sealing holes correspond to the number and the positions of the upper sealing holes, the lower sealing holes are matched with a lower sealing head, the upper sealing head is matched with the upper sealing head, the lower sealing head is arranged on a lower driving assembly, the upper sealing head is arranged on the upper driving assembly, the lower driving assembly is arranged in the base, the upper driving assembly is arranged on the upper die frame, a drilling installation tube is also arranged on the upper driving assembly, through holes are also provided with a punching installation tube, through hole is arranged in the lower driving assembly, the female die is arranged in the connection assembly, and the drilling installation tube, the punching assembly is arranged in the female die, and the drilling installation tube, and the punching assembly, and the punching installation tube are respectively matched with the drilling installation tube.

Furthermore, the male die and the lower die plate are integrated, the male die is arranged upwards and located below the upper surface of the male die, annular grooves are formed in the periphery of the male die, and chamfers are arranged at the positions, connected with the upper surface of the lower die plate, of the annular grooves.

Further, the upper die frame comprises an upper die plate, connecting columns and a connecting plate, the upper die plate and the connecting plate are connected through the four connecting columns, the connecting plate is located on the upper die plate, the female die is arranged downwards in the setting direction, the male die plate protrudes out of the surface of the upper die plate, and the upper die plate, the female die and the connecting installation cylinder are integrally arranged.

Further, the lower driving assembly comprises a main driving motor arranged in the base, a first driving gear is arranged on an output shaft of the main driving motor, the first driving gear is matched with a second driving gear, the second driving gear is arranged at the lower end of a first lifting screw, the first lifting screw is rotatably arranged in the base, the upper end of the first lifting screw penetrates through the lower template and is connected with a lower meshing wheel, the lower meshing wheel is rotatably arranged in a counter bore formed in the upper surface of the lower template, teeth are arranged on the lower meshing wheel, the first lifting screw is in threaded fit with a threaded hole formed in one side of the first lifting frame, a round hole is formed in the other side of the first lifting frame, a lower end socket is arranged on the first lifting frame, the round hole in the other side of the first lifting frame is in sliding connection with a first guide rod, the first guide rod is arranged in the base, a first slide rail rod is further arranged on one side of the round hole of the first lifting frame, the first slide rod is matched with a slide rail arranged on the first mounting cylinder rotating column, a drilling mounting cylinder is arranged on the first rotating column, the slide rail is divided into two sections, the first section is in a spiral shape, and the first section is connected with the slide rail arranged on one side of the mounting cylinder rotating column.

Further, the upper driving assembly comprises an upper meshing wheel which is rotatably arranged on the upper template, the upper meshing wheel is arranged in a downward direction and protrudes out of the lower surface of the upper template, teeth are arranged on the upper meshing wheel and are meshed with the teeth on the lower meshing wheel, the upper meshing wheel is arranged at the lower end of a second lifting screw, the second lifting screw is rotatably arranged between the upper template and the connecting plate and is in threaded fit with a threaded hole formed in one side of the second lifting frame, threads on the second lifting screw are opposite to the thread turning direction on the first lifting screw, an upper end cover is arranged on the second lifting frame, the other side of the second lifting frame is provided with a round hole, the round hole of the second lifting frame is in sliding connection with the second guide rod, the second guide rod is arranged between the upper template and the connecting plate, a second slide rail is further arranged on one side of the round hole of the second lifting frame and is matched with a slide rail arranged on the second mounting cylinder rotating column, a punching mounting cylinder is arranged on the second mounting cylinder rotating column, the slide rail on the second mounting cylinder rotating column is divided into two sections, the first section is vertically arranged, the second section is in a spiral shape, two upper end of the slide rail, and is arranged on one side of the mounting cylinder rotating column.

Further, the subassembly that punches a hole is including setting up the slide rail guide arm in the installation section of thick bamboo that punches a hole, slide rail guide arm and annular slide rail constitute sliding connection, slide rail guide arm outside cover is equipped with reset spring, reset spring one end and annular slide rail connection, the reset spring other end is connected with the installation section of thick bamboo that punches a hole, it is provided with the drift slide bar to slide on the annular slide rail, the annular slide rail centre of a circle is crossed to the drift slide bar, be provided with the drift on the drift slide bar, the drift direction is down, and the drift position is corresponding with the position of upper seal hole and lower seal hole, drift slide bar intermediate position is opened along drift slide bar length direction has a logical groove, logical groove both ends at the drift set up a set of spacing subassembly respectively.

Furthermore, the limiting assembly comprises a first limiting sliding block and a second limiting sliding block which are symmetrically arranged on two sides of the through groove in a sliding mode, the first limiting sliding block and the second limiting sliding block are connected through sliding block springs, and inclined planes are arranged at the positions, contacted with the lower sides of the first limiting sliding block and the second limiting sliding block, of the first limiting sliding block.

Further, the drilling subassembly is including setting up the processing pneumatic cylinder in the installation section of thick bamboo of driling, it is provided with the drill bit connecting rod to rotate on the piston rod of processing pneumatic cylinder, be provided with drill bit driving motor on the drill bit connecting rod, still be provided with the drilling connecting rod on the drill bit connecting rod, drilling connecting rod top is provided with the draw-in groove, be connected with the drill bit on drill bit driving motor's the output, the drill bit sets up the direction up, the drill bit position is corresponding with the drift position, drill bit connecting rod tip is provided with the connecting rod sloping block, drilling installation section of thick bamboo inner wall upside evenly is provided with a plurality of installation section of thick bamboo fixed blocks along the circumference, constitute a slide between arbitrary two adjacent installation section of thick bamboo fixed blocks and constitute sliding fit with the connecting rod sloping block, installation section of thick bamboo fixed block quantity is the same with last sealed hole and lower sealed hole quantity, slide position is corresponding with last sealed hole and lower sealed hole position, all installation section of thick bamboo fixed block downside all is provided with a sloping block guide bar through the torsional spring rotation, all sloping block guide bars all slope settings and direction are all the same, installation section of thick bamboo fixed block restriction sloping block guide bar rotates to the direction of slope.

Furthermore, the connecting component comprises a connecting mounting frame arranged in the connecting mounting cylinder, a connecting motor is arranged on the upper side of the connecting mounting frame, a connecting driving gear is arranged on an output shaft of the connecting motor, the connecting driving gear is simultaneously matched with a connecting gear I and a connecting gear II, the connecting gear I is rotatably arranged on the upper side of the connecting mounting frame, a gear carrier is arranged on the connecting mounting frame, the connecting gear II is rotatably arranged on the gear carrier, the connecting gear I and the connecting gear II are coaxially arranged, the connecting gear I is simultaneously connected with one end of a connecting worm, the connecting worm is rotatably arranged on the connecting mounting frame, the connecting worm and the connecting worm wheel form a worm gear and worm matching, the connecting worm wheel is arranged on a worm wheel rotating frame in a rotating mode, the worm wheel rotating frame is arranged on the lower side of the connecting mounting frame, a connecting clamping rod is further arranged on the connecting worm wheel, a clamping head is arranged on the lower end portion of the connecting clamping rod and matched with a clamping groove in the top end of the drilling connecting rod, an upper connecting sliding barrel is arranged on the upper side of the gear frame, an upper connecting screw rod is arranged on the inner side of the upper connecting sliding barrel in a rotating mode, the upper connecting screw rod is arranged on the gear frame in a rotating mode, the lower end of the upper connecting screw rod is coaxially connected with a connecting gear II, the upper connecting screw rod is in threaded connection with a threaded sliding block, the threaded sliding block is arranged on the upper connecting sliding barrel in a sliding mode, one end, provided with a fixture block connecting rod, is arranged on two ends of the outer side of the upper connecting screw rod in a rotating mode, the other ends of the two fixture block connecting rod connecting rods are respectively arranged on a connecting fixture block connecting block in a rotating mode, the two fixture block sliding rails are respectively, the two fixture rail brackets are respectively arranged on the upper surface sides of the connecting mounting frame through inclined planes, and matched with inclined planes arranged on the lower sides of the positions, where the first limiting sliding block and the lower sides of the second limiting sliding block.

A method for processing the head of a flame tube of an aerospace engine comprises the following steps:

s1: and placing the blank on the male die and in the annular groove, starting the stamping hydraulic cylinder to press the upper die frame downwards, and matching the female die with the male die to form the blank.

S2: and after the blank is formed, the lower driving assembly and the upper driving assembly are started, the lower sealing head and the upper sealing head are respectively pulled out of the lower sealing hole and the upper sealing hole, and the punching installation cylinder and the drilling installation cylinder are moved to the vertical direction of the male die and the female die.

S3: and starting the connecting assembly to connect the drilling assembly and the punching assembly.

S4: and starting the drilling assembly, and enabling the punching assembly to synchronously move through the connecting assembly by the drilling assembly to finish one-step forming of the blank.

Compared with the prior art, the invention has the beneficial effects that: (1) According to the invention, the lower sealing hole and the upper sealing hole are respectively arranged on the male die and the female die, and the upper sealing hole and the lower sealing hole are respectively matched with the upper end socket and the lower end socket, so that the molding quality cannot be influenced by the sealing holes arranged on the male die and the female die in the blank molding process; (2) The upper and lower driving assemblies can synchronously move through the matching of the upper and lower meshing wheels, so that the upper and lower end sockets are synchronously drawn out of the sealing holes, and the punching mounting cylinder and the drilling mounting cylinder are moved to the vertical positions of the male die and the female die through the sliding rails on the mounting cylinder rotating column I and the mounting cylinder rotating column II; (3) The connecting assembly can be connected when the drilling assembly moves to the lower side of the male die, and is automatically connected with the punching assembly when the drilling assembly is driven, so that the synchronous movement of the drilling assembly and the punching assembly is realized, and holes in a formed blank are directly punched and formed after being drilled; (4) The installation cylinder fixing block and the inclined block guide rod arranged in the drilling assembly can be matched with the connecting rod inclined block, so that the drilling assembly can realize transposition once lifting.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention (non-operating state).

Fig. 2 is a schematic view of the overall structure (working state) of the present invention.

Fig. 3 is a schematic view (forward direction) of the internal structure of the base of the present invention.

FIG. 4 is a schematic view (back view) of the internal structure of the base of the present invention.

Fig. 5 is an enlarged schematic view of the structure at a in fig. 4.

FIG. 6 is a schematic structural view (front view) of the lower template of the present invention.

FIG. 7 is a schematic view of the structure of the lower template (back side) of the present invention.

Fig. 8 is a schematic view (front side) of the upper mold frame structure of the present invention.

FIG. 9 is a schematic view (back side) of the upper mold frame of the present invention.

Fig. 10 is one of the inner structures of the upper mold frame of the present invention.

Fig. 11 is a second schematic view of the internal structure of the upper mold frame of the present invention.

Fig. 12 is an enlarged view of the structure at B in fig. 11.

FIG. 13 is a schematic cross-sectional view of the upper mold plate according to the present invention.

Fig. 14 is an enlarged view of the structure at C in fig. 13.

Fig. 15 is an enlarged view of the structure at D in fig. 13.

Fig. 16 is an enlarged view of the structure at E in fig. 13.

Fig. 17 is a schematic view (forward direction) of the inner structure of the punching installation cylinder of the invention.

Fig. 18 is a schematic view (reverse direction) of the inner structure of the punching installation cylinder of the present invention.

Fig. 19 is an enlarged view of the structure at F in fig. 17.

Fig. 20 is a schematic view (forward direction) of the structure of the drill mounting barrel of the present invention.

Fig. 21 is a schematic view (reverse section) of the internal structure of the drill mounting barrel of the present invention.

Fig. 22 is a bottom view of the drill mounting barrel of the present invention.

Fig. 23 is an enlarged view of the structure at G in fig. 22.

Fig. 24 is a schematic top view (working state) of the present invention.

FIG. 25 isbase:Sub>A schematic view of the cross-sectional structure A-A in FIG. 24.

Fig. 26 is an enlarged view of the structure at H in fig. 25.

FIG. 27 is a schematic view of the blank and the flame tube head cap of the present invention.

Reference numerals: 1-a base; 2-a lower template; 3-a guide sliding column; 4, mounting a die carrier; 5, mounting a template; 6-connecting a column; 7-a connecting plate; 8-a top seat; 9-a stamping hydraulic cylinder; 10-punching an installation cylinder; 11-drilling a mounting cylinder; 12-a blank; 13-flame tube head cap; 101-a main drive motor; 102-driving a gear I; 103-driving gear two; 104-a first lifting screw rod; 105-a lower engagement wheel; 106-a first lifting frame; 107-lower end enclosure; 108-guide bar one; 109-a first slide rail rod; 110-connecting the first half ring; 111-mounting the cylinder rotating column I; 201-male die; 401-a female die; 402-connecting the mounting cylinder; 403-upper meshing wheel; 404-lifting screw II; 405-a second lifting frame; 406-an upper head; 407-guide bar II; 408-a second slide rail rod; 409-connecting a second half ring; 410-mounting a second rotary column of the cylinder; 411-connecting the mounting frame; 412-connecting the motor; 413-connecting a driving gear; 414-connecting gear one; 415-a carrier; 416-connecting gear two; 417-connecting a worm; 418-worm gear rotating rack; 419-connecting a worm gear; 420-connecting the clamping rod; 421-upper connecting slide cylinder; 422-upper connecting screw; 423-sliding rail support; 424-threaded slider; 425-a fixture block connection bar; 426-a cartridge slide; 427-connecting a clamping block; 1001-annular slide rail; 1002-a punch slide bar; 1003-slide rail guide bar; 1004-a return spring; 1005-punching head; 1006-a first limit slide block; 1007-a limiting sliding block II; 1008-slider springs; 1101-processing hydraulic cylinders; 1102-a drill bit link; 1103 — bit drive motor; 1104-link swash block; 1105-a drill bit; 1106-drill connecting rod; 1107-mounting a cylinder fixing block; 1108-a swash block guide rod; 1109-external connection frame; 1110-connecting a rotating rod; 1111-torsion spring.

Detailed Description

In the following description of the present invention, it is to be noted that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the following description of the present invention, it should be noted that unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; the connection may be direct or indirect via an intermediate medium, and the connection may be internal to the two components. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

The invention will be further described with reference to the drawings and illustrative embodiments, which are provided herein to illustrate and not to limit the invention. Wherein like reference numerals refer to like parts throughout. In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted.

Example (b): referring to the attached drawings 1-27, the aerospace engine flame tube head processing device mainly comprises a base 1, a lower template 2, guide sliding columns 3, an upper die frame 4, a top seat 8, a stamping hydraulic cylinder 9, a punching installation cylinder 10 and a drilling installation cylinder 11, wherein the base 1 is integrally in the shape of a rectangular box with an unsealed upper end, one of the rectangular box is open in the long side direction, four corners of the base 1 are respectively and fixedly provided with one end of one guide sliding column 3, all the guide sliding columns 3 are vertically arranged, the other ends of the four guide sliding columns 3 are respectively and fixedly arranged on the four corners of the top seat 8, the base 1 is fixedly arranged on the ground, the top seat 8 is positioned on the upper side of the base 1, a certain distance is reserved between the base 1 and the top seat 8, the top of the base 1 is fixedly provided with the lower template 2, four direction travelers 3 pass four angles of lower bolster 2 respectively, four direction travelers 3 pass die carrier 4 simultaneously, it includes cope match-plate pattern 5 to go up die carrier 4, spliced pole 6 and connecting plate 7, through four spliced poles 6 fixed connection between cope match-plate pattern 5 and the connecting plate 7, connecting plate 7 is located cope match-plate pattern 5 upside, direction traveler 3 passes four angles of cope match-plate pattern 5 and connecting plate 7, be sliding connection between cope match-plate pattern 5 and connecting plate 7 and direction traveler 3, four spliced poles 6 distribute in the position that four angles of cope match-plate pattern 5 and connecting plate 7 are leaned on slightly in, 8 upside central point departments of footstock are fixed and are provided with punching press pneumatic cylinder 9, the piston rod of punching press pneumatic cylinder 9 passes footstock 8, and with connecting plate 7 fixed connection, the installation section of thick bamboo 10 that punches a hole sets up on last die carrier 4, drilling installation section of thick bamboo 11 sets up in base 1.

Referring to fig. 3-5, the lower driving assembly includes a main driving motor 101, a first driving gear 102, a second driving gear 103, a first lifting screw 104, a lower engaging wheel 105, a first lifting frame 106, a first guide rod 108, a first slide rail rod 109, a first coupling half ring 110, and a first mounting barrel rotating column 111, the main driving motor 101 is fixedly disposed in the base 1, the first driving gear 102 is disposed on an output shaft of the main driving motor 101, the first driving gear 102 and the second driving gear 103 form a gear fit, the second driving gear 103 is fixedly disposed at a lower end of the first lifting screw 104, a lower end of the first lifting screw 104 is rotatably disposed on an inner bottom surface of the base 1, an upper end of the first lifting screw 104 is rotatably disposed on the lower mold plate 2, an upper end of the first lifting screw 104 simultaneously penetrates through the lower mold plate 2 and is fixedly connected with the lower engaging wheel 105, the lower engaging wheel 105 is rotatably disposed in a counter bore disposed on an upper surface of the lower mold plate 2, the lower engaging wheel 105 is provided with teeth, the first lifting screw 104 is simultaneously in threaded fit with a threaded hole arranged on one side of the first lifting frame 106, the other side of the first lifting frame 106 is provided with a round hole, the first lifting frame 106 is fixedly provided with a lower end enclosure 107, the lower end enclosure 107 is uniformly provided with a plurality of lower sealing rods along the circumference, in the embodiment, 24 lifting frames are adopted, the round hole on the other side of the first lifting frame 106 is in sliding connection with a first guide rod 108, the first guide rod 108 is vertically and fixedly arranged in the base 1, a first slide rail rod 109 is also fixedly arranged on one side of the round hole of the first lifting frame 106, the first slide rail rod 109 is horizontally arranged, the first slide rail rod 109 is matched with a slide rail arranged on a first mounting cylinder rotating column 111, the first slide rail rod 109 is in sliding connection with a slide rail arranged on the first mounting cylinder rotating column 111, the first slide rail rod 109 is also provided with a first connecting half ring 110, the first connecting half ring 110 is integrally semicircular and is coaxially arranged outside the first mounting cylinder rotating column 111, constitute sliding connection with between an installation section of thick bamboo rotary column 111, drilling installation section of thick bamboo 11 is fixed to be set up on an installation section of thick bamboo rotary column 111, and the slide rail on an installation section of thick bamboo rotary column 111 divides two sections, and first section is vertical setting, and the second section is the heliciform, and two sections slide rails on an installation section of thick bamboo rotary column 111 are connected, and the heliciform slide rail is located installation section of thick bamboo rotary column 111 lower extreme one side.

Referring to fig. 6-7, a lower die plate 2 is provided with a male die 201, the male die 201 is integrated with the lower die plate 2, the male die 201 is arranged upward and below the upper surface of the lower die plate 2, an annular groove is formed around the male die 201, a chamfer is arranged at a position where the annular groove is connected with the upper surface of the lower die plate 2, the inner diameter of the annular groove is the same as the outer diameter of the blank 12, a through hole which vertically penetrates is formed in the middle of the male die 201, the male die 201 is annular, the upper surface of the male die is an arc surface, a plurality of lower sealing holes are formed in the male die 201, the number and the positions of the lower sealing holes correspond to the number and the positions of lower sealing rods on the lower end enclosure 107, the lower sealing holes are arranged in a penetrating manner, and the upper surface of the lower sealing rods is the same as the upper surface of the male die 201.

Referring to fig. 8-9, a female die 401 is arranged on the upper die frame 4, the female die 401 is arranged on the upper die plate 5, the female die 401 is arranged in a downward direction and protrudes out of the surface of the upper die plate 5, a through hole which vertically penetrates through the female die 401 is arranged in the middle of the female die 401, a connecting and installing cylinder 402 is arranged at the through hole of the female die 401, a flange is arranged at the upper opening and the lower opening of the connecting and installing cylinder 402, the upper die plate 5, the female die 401 and the connecting and installing cylinder 402 are arranged integrally, the female die 401 is annular, the lower surface of the female die is an upper concave arc surface, the blank 12 has thickness, the radius of the arc surface on the female die 401 is slightly larger than the radius of the arc surface on the male die 201, a plurality of upper sealing holes are arranged on the female die 401, the number and the positions of the upper sealing holes are all corresponding to the number and the positions of the lower sealing holes and the lower sealing rods, and the upper sealing holes are also arranged in a penetrating manner.

Referring to fig. 10-12, the upper driving assembly includes an upper engaging wheel 403, a second lifting screw 404, a second lifting frame 405, a second guide rod 407, a second slide rail 408, a second connecting half ring 409, a second mounting barrel rotating column 410, an upper engaging wheel 403 disposed on the upper mold frame 4, the upper engaging wheel 403 rotatably disposed on the upper mold plate 5, the upper engaging wheel 403 being disposed in a downward direction and protruding from the lower surface of the upper mold plate 5, teeth disposed on the upper engaging wheel 403 and engaging with the teeth of the lower engaging wheel 105, the upper engaging wheel 403 being fixedly disposed at the lower end of the second lifting screw 404, the second lifting screw 404 rotatably disposed between the upper mold plate 5 and the connecting plate 7, the second lifting screw 404 being in threaded engagement with a threaded hole disposed at one side of the second lifting frame 405, threads on the second lifting screw 404 being opposite to the threads on the first lifting screw 104, an upper head 406 fixedly disposed on the second lifting frame 405, a plurality of upper sealing rods are uniformly arranged on the upper end enclosure 406 along the circumference, the number and the positions of the upper sealing rods correspond to those of the lower sealing rods, the lower sealing holes and the upper sealing holes, the shape of the lower surface of the upper sealing rods is the same as that of the lower surface of the female die 401, the other side of the second lifting frame 405 is provided with a round hole, the round hole of the second lifting frame 405 is in sliding connection with the second guide rod 407, the second guide rod 407 is fixedly arranged between the upper die plate 5 and the connecting plate 7, one side of the round hole of the second lifting frame 405 is also fixedly provided with a second slide rail rod 408, the second slide rail rod 408 is horizontally arranged, the second slide rail rod 408 is matched with a slide rail arranged on the second mounting cylinder rotating column 410, the second slide rail rod 408 is in sliding connection with a slide rail on the second mounting cylinder rotating column 410, the second slide rail rod 408 is also provided with a second half ring 409, the second half ring 409 is integrally semicircular and is coaxially arranged outside the second mounting cylinder rotating column 410, and the second mounting cylinder rotating column 410 is in sliding connection with the first mounting cylinder rotating column 410, the punching mounting cylinder 10 is fixedly arranged on the second mounting cylinder rotating column 410, a sliding rail on the second mounting cylinder rotating column 410 is divided into two sections, the first section is vertically arranged, the second section is spiral, sliding rails at two ends of the second mounting cylinder rotating column 410 are connected, and the spiral sliding rail is positioned on one side of the upper end of the second mounting cylinder rotating column 410.

Referring to fig. 17-19, the punching installation cylinder 10 is a cylinder with an upper and lower opening, and is fixedly connected to the second installation cylinder rotating column 410, a punching assembly is disposed in the punching installation cylinder 10, the punching assembly in this embodiment includes an annular slide rail 1001, a punch slide bar 1002, a slide rail guide rod 1003, a return spring 1004, a punch 1005, a first limit slide block 1006, a second limit slide block 1007, and a slide block spring 1008, an annular slide rail 1001 is disposed in the punching installation cylinder 10, the punch slide bar 1002 is slidably disposed on the annular slide rail 1001, the punch slide bar 1002 passes through the center of the annular slide rail 1001, two slide rail guide rods 1003 are symmetrically and fixedly disposed in the punching installation cylinder 10, the two slide rail guide rods 1003 are both vertically disposed, the annular slide rail 1001 is slidably disposed on the slide rail guide rod 1003, a return spring 1004 is sleeved on the outer side of the slide rail guide rod 1003, one end of the return spring 1004 is connected to the annular slide rail 1001, the other end of the reset spring 1004 is connected with the punching mounting barrel 10, two punches 1005 are symmetrically and fixedly arranged on the punch slide bar 1002, the direction of the punch 1005 faces downwards, the positions of the punches 1005 correspond to the positions of an upper sealing hole and a lower sealing hole, a through groove is formed in the middle position of the punch slide bar 1002 along the length direction of the punch slide bar 1002, a group of limiting assemblies are respectively arranged at two ends of the through groove of the punch 1005, each limiting assembly in the embodiment comprises a first limiting slide block 1006, a second limiting slide block 1007 and a slide block spring 1008 in the punching assembly, the first limiting slide block 1006 and the second limiting slide block 1007 are symmetrically arranged on two sides of the through groove in a sliding mode, the first limiting slide block 1006 and the second limiting slide block 1007 are connected through the slide block spring 1008, the slide block springs 1008 enable the lower sides of the first limiting slide block 1006 and the second limiting slide block 1007 to be kept tightly attached, and inclined planes are arranged at the positions, which the lower sides of the first limiting slide block 1006 and the second limiting slide block 1007 are in contact.

Referring to fig. 20-23, the drilling installation cylinder 11 is a cylinder with an upper opening and is fixedly connected to the first installation cylinder rotating column 111, a drilling assembly is arranged in the drilling installation cylinder 11, the drilling assembly in this embodiment includes a processing hydraulic cylinder 1101, a drill connecting rod 1102, a drill driving motor 1103, a connecting rod bevel 1104, a drill 1105, a drilling connecting rod 1106, an installation cylinder fixing block 1107, a bevel guide rod 1108, an external connecting frame 1109, a connecting rotating rod 1110 and a torsion spring 1111, wherein the processing hydraulic cylinder 1101 is fixedly arranged at the middle position of the bottom in the drilling installation cylinder 11, the drill connecting rod 1102 is rotatably arranged on a piston rod of the processing hydraulic cylinder 1101, two drill driving motors 1103 are symmetrically arranged on the drill connecting rod 1102, the drill 1105 is connected to the output end of the drill driving motor 1103, two drills are arranged upward, the positions of the two drills 1105 respectively correspond to the positions of two punches 1005, a connecting rod bevel block 1104 is fixedly arranged at both ends of the drill connecting rod 1102, a plurality of installation cylinders 1107 are uniformly and are circumferentially arranged at the same number of the mounting blocks 1107, the mounting blocks 1107 are connected to the bevel guide rod 1107, the sealing cylinder fixing block 1107, the sealing blocks are connected to the lower bevel guide rod 1104, and the sealing blocks are arranged in the same direction as the mounting blocks 1107, sloping block guide bar 1108 rotates through connecting bull stick 1110 and sets up on drilling installation section of thick bamboo 11, connect bull stick 1110 one end and sloping block guide bar 1108 fixed connection, it passes drilling installation section of thick bamboo 11 to rotate and sets up on external connecting frame 1109 to connect the bull stick 1110 other end, external connecting frame 1109 is fixed to be set up in the 11 outsides of drilling installation section of thick bamboo, all connect and all overlap on the bull stick 1110 and be equipped with torsional spring 1111, drilling installation section of thick bamboo 11 and external connecting frame 1109 are connected respectively at torsional spring 1111 both ends, still fixed drilling connecting rod 1106 that is provided with on the drill bit connecting rod 1102 intermediate position, drilling connecting rod 1106 sets up the direction up, drilling connecting rod 1106 top is provided with the draw-in groove.

Referring to fig. 13-16, a connecting assembly is disposed in the connecting installation cylinder 402, the connecting assembly in this embodiment includes a connecting installation frame 411, a connecting motor 412, a connecting driving gear 413, a connecting gear 414, a gear rack 415, a connecting gear 416, a connecting worm 417, a worm wheel rotating frame 418, a connecting worm gear 419, a connecting clamping rod 420, an upper connecting sliding cylinder 421, an upper connecting screw 422, a sliding rail support 423, a threaded slider 424, a clamping block connecting rod 425, a clamping block sliding rail 426, and a connecting clamping block 427, wherein the connecting installation frame 411 is disposed in the connecting installation cylinder 402, an outer diameter of the connecting installation frame 411 is the same as an inner diameter of the connecting installation cylinder 402, the connecting installation frame 411 is rotatable and slidable relative to the connecting installation cylinder 402, the connecting motor 412 is fixedly disposed on an upper side of the connecting installation frame 411, the connecting driving gear 413 is fixedly disposed on an output shaft of the connecting motor 412, the connecting driving gear 413 forms gear matching with the connecting gear I414 and the connecting gear II 416 at the same time, the connecting gear I414 is rotatably arranged at the central position of the upper side of the connecting mounting frame 411, a gear frame 415 is fixedly arranged on the connecting mounting frame 411, the connecting gear II 416 is rotatably arranged on the gear frame 415, the connecting gear I414 and the connecting gear II 416 are coaxially arranged, the connecting gear I414 is fixedly connected with one end of a connecting worm 417 at the same time, the connecting worm 417 is rotatably arranged on the connecting mounting frame 411 and is arranged in a downward direction, the connecting worm 417 forms worm gear matching with a connecting worm wheel 419, the connecting worm wheel 419 is rotatably arranged on a worm wheel rotating frame 418, the worm wheel rotating frame 418 is fixedly arranged at the lower side of the connecting mounting frame 411, a connecting clamping rod 420 is also fixedly arranged on the connecting worm wheel 419, a clamping head is arranged at the end part of the lower side of the connecting clamping rod 420, and the clamping head is matched with a clamping groove at the top end of a drilling connecting rod 1106, in this embodiment, at least three worm wheel rotating frames 418, connecting worm wheels 419 and connecting clamping rods 420 are provided, and are uniformly distributed along the circumference of the connecting mounting frame 411, the connection relationship between the same parts is the same as the connection relationship, an upper connecting sliding cylinder 421 is fixedly provided on the upper side of the gear frame 415, an upper connecting screw 422 is provided inside the upper connecting sliding cylinder 421, the upper connecting screw 422 is rotatably provided on the upper side of the gear frame 415, the lower end of the upper connecting screw 422 is simultaneously and coaxially and fixedly connected with the two connecting gear 416, the upper connecting sliding cylinder 421 is integrally cylindrical, through grooves are formed on the two sides, the upper connecting screw 422 and the threaded slider 424 form a threaded connection, the two ends of the threaded slider 424 are simultaneously and slidably provided in the through grooves on the two sides of the upper connecting sliding cylinder 421, one end of a clamping block connecting rod 425 is rotatably provided on each of the two ends of the threaded slider 424 located on the outer side of the upper connecting screw 422, the other ends of the two clamping block connecting rods 425 are rotatably provided on one connecting clamping block, the two connecting clamping block rods 427 are respectively and slidably provided on one clamping block sliding rail 426, the two clamping block sliding rails 427 are respectively fixedly provided on the upper side of the connecting clamping block 411 through one sliding rail 427 bracket 423, and the two connecting clamping block brackets 1007, and the two connecting clamping block mounting frames are provided on the two sides, and the limiting slider 427 are matched with the limiting slider 1006 at the position of the limiting slider at the position.

In the implementation of this embodiment, firstly, the blank 12 is placed on the punch 201, as shown in fig. 27, the blank 12 is automatically positioned in the annular groove due to the annular groove outside the punch 201 and the chamfer connecting the annular groove and the lower template 2, at this time, the lower sealing rod on the lower head 107 is positioned in the lower sealing hole of the punch 201, the upper sealing rod of the upper head 406 is positioned in the upper sealing hole of the die 401, and the punch installation cylinder 10 and the drill installation cylinder 11 are positioned as shown in fig. 1, then the hydraulic ram 9 is started, the hydraulic ram 9 drives the upper template 4 to integrally descend, when the upper template 5 of the upper template 4 contacts the lower template 2, the die 401 on the upper template 5 is fastened with the punch 201 on the lower template 2, at this time, the forming and the punching are completed, and when the upper template 5 is attached to the lower template 2, the upper engaging wheel 403 is engaged with the lower engaging wheel 105 at the same time, and at this time, the position is shown in fig. 2; after forming, a main driving motor 101 is started, the main driving motor 101 drives a first driving gear 102 to rotate, the first driving gear 102 drives a first lifting screw 104 to rotate through a second driving gear 103, the first lifting screw 104 drives a second lifting screw 404 to rotate through meshing of a lower meshing wheel 105 and an upper meshing wheel 403, the first lifting screw 104 and the second lifting screw 404 respectively drive a first lifting frame 106 and a second lifting frame 405 to move, the first lifting frame 106 moves downwards, the second lifting frame 405 moves upwards, the first lifting frame 106 moves downwards to drive a lower end socket 107 to be drawn out from a lower sealing hole, the second lifting frame 405 moves upwards to drive an upper end socket 406 to be drawn out from the upper sealing hole, in the process that the first lifting frame 106 moves downwards, a first slide rail rod 109 on the first lifting frame 106 is matched with a slide rail on a first mounting cylinder rotating column 111, when the first lifting frame 106 moves to a position of a spiral slide rail on a first mounting cylinder rotating column 111, the first lifting frame 106 moves to the position of the spiral slide rail on the lower spiral slide rail on the first mounting cylinder rotating column 111, the first sliding rail rod 109 can drive the first mounting cylinder rotating column 111 to rotate to the second lifting frame 111 through the slide rail, so that a second lifting frame 408 can rotate to a second lifting frame 410 to a concave die 410, the mounting cylinder rotating column 410, and a concave die 410, and a second lifting frame 410 can rotate the mounting cylinder rotating column 410, and a convex die 410, and a mounting cylinder 410, when the slide rail 408 moves to move the mounting cylinder rotating column 410, and the mounting cylinder rotating column 410.

The connecting and mounting frame 411 is always positioned at the lowest end of the connecting and mounting cylinder 402 and is blocked by a flange of the connecting and mounting cylinder 402 under the action of no external force, when the upper template 5 is in contact with the lower template 2, the structure on the lower side of the connecting and mounting frame 411 extends into the base 1 through a through hole in the middle of the convex mold 201, at the moment, the connecting motor 412 is started, the connecting motor 412 drives the connecting and driving gear 413 to rotate, the connecting and driving gear 413 simultaneously drives the connecting gear I414 and the connecting gear II 416 to rotate, the connecting gear I414 rotates to drive the connecting worm 417 to rotate, the connecting worm 417 rotates to drive the connecting worm 419 to rotate around the worm wheel rotating frame 418, meanwhile, the connecting worm 419 can clamp the connecting and clamping rods 420 into clamping grooves on the drilling connecting rod 1106 through rotation of the connecting worm 419, and the connecting and clamping rods 420 are kept in an open state when the connecting worm 419 does not rotate; the second connecting gear 416 rotates to drive the upper connecting screw 422 to rotate, the upper connecting screw 422 drives the threaded slider 424 to move upwards along the upper connecting sliding cylinder 421 by matching with the threaded slider 424, the threaded slider 424 moves upwards to drive the two connecting clamping blocks 427 to slide outwards along the clamping block sliding rails 426 through the clamping block connecting rods 425 on the two sides, and a part of the connecting clamping blocks 427 can slide out of the clamping block sliding rails 426.

Referring to fig. 24-26, after the connecting assembly is actuated, the drill driving motor 1103 rotates the lower engaging wheel 105, the machining hydraulic cylinder 1101 is actuated, the machining hydraulic cylinder 1101 drives the two drill bits 1105 to ascend through the drill link 1102, and simultaneously drives the drill link 1106 to ascend, during the ascending, the link ramp 1104 first contacts the ramp guide 1108, since the ramp guide 1108 is disposed obliquely and does not rotate in an oblique direction, the link ramp 1104 slides along the ramp guide 1108 into a slide between the mounting cylinder fixing blocks 1107, since the slide corresponds to the positions of the upper and lower sealing holes, when the machining hydraulic cylinder 1101 is actuated to the highest position, the drill bit 1105 drills through the formed blank 12 through the upper and lower sealing holes, and the drill link 1106 drives the connecting assembly 402 to ascend along the connecting assembly 402, during the ascending, the connecting block 427 at the top of the connecting block 426 extends, since the connecting block 427 extends out of the connecting block 1006, the connecting block 427 is engaged with the first limiting slider 1006 and the second limiting slider 1007, and the connecting block 1006 and the connecting slide block 1006, when the punch is fully lowered through the connecting assembly 1002, the connecting rod 1002, the connecting block 1007, the connecting assembly 1002 and the punch connecting rod 1002 are fully connected to the punch pin 1002, and the punch pin 1002, the punch is fully connected to the connecting block 1006, and the punch connecting assembly 1002, because the punch 1005 is arranged on the punch slide bar 1002, and the punch 1005 corresponds to the drill 1105, the punch 1005 will punch the drilled position, and in the process of moving downward, the connecting rod inclined block 1104 slides out of the slide way, contacts with the next inclined block guide rod 1108, and rotates the inclined block guide rod 1108, at this time, if the processing hydraulic cylinder 1101 is driven upward again, the connecting rod inclined block 1104 contacts with the inclined block guide rod 1108, slides into the next slide way along the inclined block guide rod 1108, and so on, so as to realize the effect of one-time reciprocating driving, namely one-time transposition of the processing hydraulic cylinder 1101, and due to the function of the connecting assembly, the drilling assembly and the punching assembly are transposed synchronously.

When all the positions are machined, the connecting motor 412 is driven reversely to release the connection, the connecting motor 412 drives the connecting driving gear 413 to drive the connecting gear I414 and the connecting gear II 416 to rotate, the connecting gear I414 drives the connecting worm 417 to rotate to be matched with the connecting worm gear 419 to enable the connecting clamping rod 420 to be opened again, namely, the connection with the drilling assembly is disconnected, the connecting gear II 416 drives the upper connecting screw 422 to rotate, the threaded slider 424 descends along the upper connecting sliding cylinder 421, the connecting clamping block 427 is retracted inwards along the clamping block sliding rail 426 through the clamping block connecting rod 425, at this time, the connecting clamping block 427 is retracted inwards along the length direction of the punch slide rod 1002 to be separated from the limiting sliding block I1006 and the limiting sliding block II 1007, the connecting clamping block 427 is disengaged from the through groove of the punch slide rod 1002, and the punch slide rod 1002 returns to the topmost end of the punching installation cylinder 10 along the sliding rail guide rod 1003 again through the resilience of the annular sliding rail 1001 and the return spring 1004, namely, the connection with the punching assembly is disconnected, and finally, the whole machining of the blank 12 is completed, and the flame tube head cap 13 shown in fig. 27 is finally.

The embodiment also discloses a method for processing the head of the flame tube of the aerospace engine, which comprises the following specific steps:

s1: the blank 12 is placed on the punch 201 and positioned in the annular groove, the stamping hydraulic cylinder 9 is started to press the upper mold frame 4 downwards, and the female mold 401 is matched with the punch 201 to form the blank 12.

S2: after the blank 12 is formed, the lower driving assembly and the upper driving assembly are started, so that the lower sealing head 107 and the upper sealing head 406 are respectively drawn out of the lower sealing hole and the upper sealing hole, and the punching installation cylinder 10 and the drilling installation cylinder 11 are moved to the vertical direction of the male die 201 and the female die 401.

S4: and starting the drilling assembly, and enabling the punching assembly to synchronously move through the connecting assembly by the drilling assembly to finish one-step forming of the blank 12.

It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations are intended to fall within the scope of the appended claims.

Claims

1. The utility model provides an aerospace engine flame tube head processingequipment, includes base (1), be provided with lower bolster (2) on base (1), base (1) is connected with footstock (8) through direction traveller (3), and lower bolster (2) and last die carrier (4) are passed simultaneously in direction traveller (3), are provided with ram hydraulic cylinder (9) on footstock (8), and the piston rod and the last die carrier (4) of ram hydraulic cylinder (9) are connected its characterized in that: the lower die plate (2) is provided with a male die (201), the upper die frame (4) is provided with a female die (401), the male die (201) is matched with the female die (401) to form a blank (12), the upper circumference of the male die (201) is uniformly provided with a plurality of lower sealing holes, the upper circumference of the female die (401) is uniformly provided with a plurality of upper sealing holes, the number and the positions of the lower sealing holes correspond to those of the upper sealing holes, the lower sealing holes are matched with a lower sealing head (107), the upper sealing holes are matched with an upper sealing head (406), the lower sealing head (107) is arranged on a lower driving assembly, the upper sealing head (406) is arranged on an upper driving assembly, the lower driving assembly is arranged in the base (1), the upper driving assembly is arranged on the upper die frame (4), the lower driving assembly is also provided with a drilling installation barrel (11), and the upper driving assembly is also provided with a punching installation barrel (10);

all be provided with the through-hole in the middle of terrace die (201) and die (401), be provided with in the through-hole of die (401) and connect installation section of thick bamboo (402), be provided with coupling assembling in connecting installation section of thick bamboo (402), be provided with the drilling subassembly in the drilling installation section of thick bamboo (11), be provided with the subassembly that punches a hole in the installation section of thick bamboo (10) that punches a hole, coupling assembling respectively with the subassembly that punches a hole and the subassembly cooperation that punches a hole.

2. The aerospace engine combustor basket head tooling device of claim 1, wherein: terrace die (201) and lower bolster (2) are as an organic whole, and terrace die (201) sets up the direction up, and is located terrace die (201) upper surface below, and terrace die (201) is provided with the ring channel all around, and the ring channel is provided with the chamfer with the place of lower bolster (2) upper surface connection.

3. An aerospace engine flame tube head machining device according to claim 1, wherein: go up die carrier (4) and include cope match-plate pattern (5), spliced pole (6) and connecting plate (7), connect through four spliced poles (6) between cope match-plate pattern (5) and connecting plate (7), connecting plate (7) are located cope match-plate pattern (5) upside, die (401) set up on cope match-plate pattern (5), and die (401) set up the direction down, and the surface setting of protruding cope match-plate pattern (5), die (401) and connect installation section of thick bamboo (402) and set up as an organic whole.

4. An aerospace engine combustor basket head machining device according to claim 3, wherein: the lower driving assembly comprises a main driving motor (101) arranged in the base (1), a first driving gear (102) is arranged on an output shaft of the main driving motor (101), the first driving gear (102) is matched with a second driving gear (103), the second driving gear (103) is arranged at the lower end of a first lifting screw (104), the first lifting screw (104) is rotatably arranged in the base (1), the upper end of the first lifting screw (104) penetrates through the lower template (2) and is connected with a lower meshing wheel (105), the lower meshing wheel (105) is rotatably arranged in a counter bore arranged on the upper surface of the lower template (2), teeth are arranged on the lower meshing wheel (105), the first lifting screw (104) is in threaded fit with a threaded hole arranged on one side of the first lifting frame (106), a round hole is arranged on the other side of the first lifting frame (106), a lower end socket (107) is arranged on the first lifting frame (106), a round hole on the other side of the first lifting frame (106) is in sliding connection with a first guide rod (108), a first guide rod (108) is arranged in sliding fit with a first guide rod (108), a first guide rod (106) is arranged on one side of the lifting frame (106), a slide rail column (109) is arranged on one side of a slide rail, a slide rail cylinder (111) arranged on a slide rail (111), a slide rail cylinder (111) arranged on a slide rail cylinder (111, the first section is vertical setting, and the second section is the heliciform, and two sections slide rails on the installation section of thick bamboo rotary column (111) are connected, and the heliciform slide rail is located installation section of thick bamboo rotary column (111) lower extreme one side.

5. An aerospace engine flame tube head machining device according to claim 4, wherein: the upper driving assembly comprises an upper engaging wheel (403) rotatably arranged on the upper template (5), the upper engaging wheel (403) is arranged in a downward direction and protrudes out of the lower surface of the upper template (5), teeth are arranged on the upper engaging wheel (403) and are engaged with teeth on the lower engaging wheel (105), the upper engaging wheel (403) is arranged at the lower end of a second lifting screw (404), the second lifting screw (404) is rotatably arranged between the upper template (5) and a connecting plate (7), the second lifting screw (404) is in threaded fit with a threaded hole arranged at one side of the second lifting frame (405), threads on the second lifting screw (404) are opposite to threads on the first lifting screw (104), an upper seal head (406) is arranged on the second lifting frame (405), a round hole is arranged at the other side of the second lifting frame (405), the round hole of the second lifting frame (405) is in sliding connection with a second guide rod (407), the second guide rod (407) is arranged between the upper template (5) and the second lifting frame (405), a track rod (405) is also arranged at one side of the round hole, a second guide rod (408) is arranged on a second rotary column (410), and a second rotary column (410) which is arranged on a spiral section of the second rotary column, a second rotary column (408) and a second section of a second rotary drum (410) is arranged on the second section of a second rotary drum (410), the two end sliding rails on the second mounting cylinder rotating column (410) are connected, and the spiral sliding rail is positioned on one side of the upper end of the second mounting cylinder rotating column (410).

6. The aerospace engine combustor basket head tooling device of claim 1, wherein: the punching assembly comprises a sliding rail guide rod (1003) arranged in a punching installation barrel (10), the sliding rail guide rod (1003) and an annular sliding rail (1001) form sliding connection, a reset spring (1004) is sleeved on the outer side of the sliding rail guide rod (1003), one end of the reset spring (1004) is connected with the annular sliding rail (1001), the other end of the reset spring (1004) is connected with the punching installation barrel (10), a punch slide rod (1002) is arranged on the annular sliding rail (1001) in a sliding mode, the punch slide rod (1002) passes through the center of the annular sliding rail (1001), a punch (1005) is arranged on the punch slide rod (1002), the direction of the punch (1005) faces downwards, the position of the punch (1005) corresponds to the positions of an upper sealing hole and a lower sealing hole, a through groove is formed in the middle position of the punch slide rod (1002) in the length direction of the punch slide rod (1002), and a group of limiting assemblies are respectively arranged at two ends of the through groove of the punch (1005).

7. An aerospace engine combustor basket head machining device according to claim 6, wherein: the limiting assembly comprises a first limiting sliding block (1006) and a second limiting sliding block (1007) which are symmetrically arranged on two sides of the through groove in a sliding mode, the first limiting sliding block (1006) is connected with the second limiting sliding block (1007) through a sliding block spring (1008), and an inclined surface is arranged at the position, contacted with the lower side of the first limiting sliding block (1006) and the second limiting sliding block (1007).

8. An aerospace engine flame tube head machining device according to claim 7, wherein: the drilling assembly comprises a processing hydraulic cylinder (1101) arranged in a drilling installation cylinder (11), a drill connecting rod (1102) is arranged on a piston rod of the processing hydraulic cylinder (1101) in a rotating mode, a drill driving motor (1103) is arranged on the drill connecting rod (1102), a drilling connecting rod (1106) is further arranged on the drill connecting rod (1102), a clamping groove is formed in the top end of the drilling connecting rod (1106), a drill (1105) is connected to the output end of the drill driving motor (1103), the drill (1105) is upward in the setting direction, the position of the drill (1105) corresponds to the position of a punch (1005), a connecting rod inclined block (1104) is arranged at the end of the drill connecting rod (1102), a plurality of installation cylinder fixing blocks (1107) are uniformly arranged on the upper side of the inner wall of the drilling installation cylinder (11) along the circumference, a slide is formed between any two adjacent installation cylinder fixing blocks (1107) and forms sliding fit with the connecting rod inclined block (1104), the number of the installation cylinder fixing blocks (1108) is the same as that of upper sealing holes and lower sealing holes, the slide positions correspond to the upper sealing holes and the lower sealing holes, all the installation cylinder fixing blocks (1108) are arranged in the inclined direction of the inclined block (1108) and are limited by the inclined block (1108).

9. An aerospace engine combustor basket head tooling device as in claim 8, wherein: the connecting assembly comprises a connecting mounting frame (411) arranged in a connecting mounting cylinder (402), a connecting motor (412) is arranged on the upper side of the connecting mounting frame (411), a connecting driving gear (413) is arranged on an output shaft of the connecting motor (412), the connecting driving gear (413) is matched with a connecting gear I (414) and a connecting gear II (416) at the same time, the connecting gear I (414) is rotatably arranged on the upper side of the connecting mounting frame (411), a gear carrier (415) is arranged on the connecting mounting frame (411), the connecting gear II (416) is rotatably arranged on the gear carrier (415), the connecting gear I (414) and the connecting gear II (416) are coaxially arranged, the connecting gear I (414) is simultaneously connected with one end of a connecting worm (417), the connecting worm (417) is rotatably arranged on the connecting mounting frame (411) and is arranged in a downward direction, the connecting worm (417) is matched with a connecting worm wheel (419) to form a worm wheel, the connecting worm wheel (419) is rotatably arranged on the worm wheel rotating frame (418), the worm wheel rotating frame (418) is arranged on the lower side of the connecting mounting frame (411), a connecting rod (420) is further arranged on the connecting worm wheel (419), a connecting clamping rod (415), a clamping groove is arranged on the lower side of the upper side of a connecting clamping rod (1106), and a connecting clamping head (1106) is arranged on the connecting clamping rod (1106), an upper connecting screw rod (422) is arranged on the inner side of the upper connecting sliding barrel (421), the upper connecting screw rod (422) is rotatably arranged on a gear carrier (415), the lower end of the upper connecting screw rod (422) is coaxially connected with a second connecting gear (416), the upper connecting screw rod (422) and a threaded slider (424) form threaded connection, the threaded slider (424) is slidably arranged on the upper connecting sliding barrel (421), the threaded slider (424) is positioned at two ends of the outer side of the upper connecting screw rod (422) and is respectively rotatably provided with one end of a fixture block connecting rod (425), the other ends of the two fixture block connecting rods (425) are respectively rotatably arranged on one connecting fixture block (427), the two connecting fixture blocks (427) are respectively slidably arranged on one fixture block sliding rail (426), the two fixture block sliding rails (426) are respectively arranged on the upper side of the connecting installation rack (411) through a sliding rail bracket (423), two sides of the upper surfaces of the two connecting fixture blocks (427) are respectively provided with inclined surfaces, and are matched with inclined surfaces arranged at positions contacted with the lower sides of the first limiting slider (1006) and the second limiting slider (1007).

10. A processing method for the head of a flame tube of an aerospace engine is characterized in that the processing device of any one of claims 1 to 9 is adopted, and the method comprises the following specific steps:

s1: placing a blank (12) on the male die (201) and in the annular groove, starting a stamping hydraulic cylinder (9) to press the upper die frame (4) downwards, and matching the female die (401) with the male die (201) to form the blank (12);

s2: after the blank (12) is formed, starting a lower driving assembly and an upper driving assembly to respectively draw out a lower sealing head (107) and an upper sealing head (406) from a lower sealing hole and an upper sealing hole, and moving a punching mounting cylinder (10) and a drilling mounting cylinder (11) to the vertical direction of a male die (201) and a female die (401);

s3: starting the connecting assembly to connect the drilling assembly and the punching assembly;

s4: and starting the drilling assembly, and enabling the punching assembly to synchronously move through the connecting assembly by the drilling assembly to finish one-step forming of the blank (12).