CN115846498A - Superplastic forming equipment and process for airplane special-shaped part - Google Patents
Superplastic forming equipment and process for airplane special-shaped part Download PDFInfo
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- CN115846498A CN115846498A CN202211646865.6A CN202211646865A CN115846498A CN 115846498 A CN115846498 A CN 115846498A CN 202211646865 A CN202211646865 A CN 202211646865A CN 115846498 A CN115846498 A CN 115846498A
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Abstract
The invention discloses superplastic forming equipment and a superplastic forming process for airplane special-shaped parts, and relates to the technical field of superplastic forming. The blank forming machine comprises an operation table, wherein a lower die is arranged on the upper surface of the operation table, an upper die is arranged on the upper side of the lower die, a support frame is welded on the rear side of the upper surface of the operation table, two hydraulic cylinders are arranged on the upper surface of the support frame, the telescopic ends of the hydraulic cylinders penetrate through the support frame and are connected with the upper die, the upper die is conveniently driven to move downwards and is matched with the lower die to perform overspeed forming of a blank, fixing frames are welded on the left side and the right side of the upper surface of the operation table, a first screw rod and a second screw rod are respectively arranged on the front side and the rear side between the two fixing frames, a movable plate is arranged between the first screw rod and the second screw rod, a movable groove is formed in the surface of the movable plate, a screw rod is arranged in the movable groove, two movable blocks are in threaded fit on the screw rod, electric push rods are arranged on the lower surfaces of the movable blocks, the telescopic ends of the electric push rods are connected with support arms, and clamping blocks are welded on the support arms to facilitate clamping and moving of the blank.
Description
Technical Field
The invention belongs to the technical field of superplastic forming, and particularly relates to superplastic forming equipment and a superplastic forming process for airplane special-shaped parts.
Background
Superplastic forming is a technological method which takes superplastic metal as a blank of a die cavity and presses a technological male die into the blank to realize the forming and processing of the die cavity in a superplastic state. In the field of aerospace, the most widely used superplastic forming method is plate gas pressure forming, also known as blow molding.
In the superplastic forming process of the airplane special-shaped part, the blank is inconvenient to take and place, and the demoulding of the superplastic formed blank is inconvenient, so that the processing efficiency is influenced.
In view of the above, a superplastic forming device and a process for airplane special-shaped parts are designed to solve the problems.
Disclosure of Invention
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to superplastic forming equipment for airplane special-shaped parts, which comprises an operation table, wherein a lower die is arranged on the upper surface of the operation table, an upper die is arranged right above the lower die, a support frame is welded on the rear side of the upper surface of the operation table, two hydraulic cylinders are arranged on the upper surface of the support frame, and the telescopic ends of the two hydraulic cylinders penetrate through the upper surface of the support frame and are connected with the upper surface of the upper die;
the left side and the right side of the upper surface of the operation table are respectively welded with a fixed frame, a first lead screw and a second lead screw are respectively arranged on the front side and the rear side between the two fixed frames, a movable plate is arranged between the first lead screw and the second lead screw, the first lead screw and the second lead screw are both in threaded fit with the movable plate, a movable groove is formed in the surface of the movable plate, a screw is arranged in the movable groove, two movable blocks are in threaded fit with the screw and are in movable fit with the movable groove, an electric push rod is arranged on the lower surface of each movable block, the telescopic end of each electric push rod is connected with a support arm, a clamping block is welded at one end, close to each other, of the front support arm and the rear support arm, and the inner side of the lower end of each clamping block is of an inclined structure;
the air blowing holes are formed in the front side and the rear side of the surface of the lower die, a plurality of air blowing pipes are arranged on the front side and the rear side of the inside of the lower die and are communicated with the air blowing holes, the lower ends of the air blowing pipes penetrate through the lower surface of the operating platform and are connected with flow dividing pipes, and first telescopic hoses are connected onto the flow dividing pipes.
Through electric putter is convenient for adjust reciprocating of clamp splice, combine the screw-thread fit of screw rod and movable block, be convenient for drive around two clamp splices be close to each other or keep away from, and then the clamp of conveniently treating the processing blank is got, combine first lead screw and second lead screw all with the screw-thread fit of fly leaf, be convenient for adjust about moving of fly leaf, and then conveniently drive the blank of centre gripping and remove, wherein under the mutually supporting of first expansion hose, shunt tubes and gas blow pipe, to carrying inert gas in the gas blow hole, be convenient for blow up the blank of laminating at bed die cavity inner wall, combine the inboard slope structure of clamp splice lower extreme, insert between blank and the bed die, the drawing of patterns of the blank after convenient superplastic forming.
Preferably, an air inlet is formed in the upper die, an air inlet pipe is connected to the rear surface of the upper die, the air inlet pipe is communicated with the air inlet in the upper die, and a second flexible hose is connected to the rear end of the air inlet pipe.
Preferably, the fly leaf upper surface rear side is opened and is equipped with the mounting groove, mounting groove internally mounted has first motor, first motor output shaft extends to the activity inslot portion, is connected with the screw rod rear end.
Preferably, the right ends of the first screw rod and the second screw rod penetrate through the fixing frame on the right side and are connected with belt pulleys, the front belt pulley and the rear belt pulley are in transmission connection, and the right side of the rear belt pulley is connected with a second motor.
Preferably, the right side is welded with the mounting bracket in the mount surface rear side, the second motor is installed inside the mounting bracket.
Preferably, a plurality of support legs are welded on the lower surface of the operating platform.
Preferably, the clamping block is of a U-shaped structure, and the inner wall of the clamping block is provided with a plurality of anti-skidding grooves.
Preferably, the limiting groove has all been seted up to the inside left and right sides of activity inslot, the stopper has all been welded on both surfaces about the movable block, mutually supports with the limiting groove.
Preferably, the periphery of the outer surface of the lower die is provided with a groove, and the periphery of the outer surface of the upper die is provided with a sealing ring which is matched with the groove.
A superplastic forming process for airplane special-shaped parts is characterized by comprising the following steps:
the method comprises the following steps: the up-and-down movement of the clamping blocks is adjusted through the electric push rod, and the screw rod is matched with the thread of the movable block to drive the front clamping block and the rear clamping block to approach each other so as to clamp the blank to be processed;
step two: the movable plate is driven to move rightwards through the threaded fit of the first screw rod, the second screw rod and the movable plate, so that the clamped blank is moved to the upper side of the lower die, the clamped blank is placed on the lower die under the combined action of the electric push rod, the screw rod and the movable block, and meanwhile, a worker assists in adjusting the position of the blank;
step three: the upper die is driven to move downwards through the hydraulic cylinder and is pressed on the lower die to drive the sealing ring to be clamped into the groove, and meanwhile, inert pressure gas is introduced under the action of the air inlet pipe and the second flexible hose, so that the blank is deformed and attached to the inner wall of the die cavity of the lower die in the superplastic state, and the superplastic forming of the blank is completed;
step four: after superplastic forming, the upper die is adjusted to move upwards to be far away from the lower die, inert gas is introduced into the air blowing hole under the combined action of the air blowing pipe, the flow dividing pipe and the first flexible hose, the edge of the superplastic formed blank is blown off the upper surface of the lower die, the two clamping blocks are adjusted to be close to each other through mutual matching of the screw rod and the movable block, the blank is inserted between the blank and the lower die under the action of the inclined structure at the lower ends of the clamping blocks, demoulding of the blank is completed, and finally, the blank after demoulding is driven to move rightwards under the clamping of the two clamping blocks, and the next link is processed.
The invention has the following beneficial effects:
1. the upper die is conveniently driven to move downwards through the hydraulic cylinder, so that the sealing ring is driven to be clamped into the groove, the sealing property between the upper die and the lower die is ensured, and the inert pressure gas is conveniently introduced between the blank and the upper die by combining the air inlet pipe and the second flexible hose, so that the blank is deformed and attached to the inner wall of the die cavity of the lower die in the superplastic state, and the overspeed forming of the blank is realized.
2. According to the invention, the up-and-down movement of the adjusting clamping blocks is facilitated through the electric push rod, the screw rod is matched with the thread of the movable block, the front clamping block and the rear clamping block are driven to be close to or away from each other, so that a blank to be processed is clamped conveniently, the movable plate is adjusted to move left and right conveniently by combining the thread matching of the first screw rod and the second screw rod with the movable plate, so that the clamped blank is driven to move conveniently, inert gas is conveyed into the air blowing hole under the mutual matching of the first telescopic hose, the flow dividing pipe and the air blowing pipe, so that the blank attached to the inner wall of the lower die cavity is blown up, the inclined structure at the inner side of the lower end of the clamping block is inserted between the blank and the lower die, and the demolding of the blank after superplastic forming is facilitated.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is a schematic structural view of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
FIG. 6 is a schematic view of the movable plate of the present invention;
fig. 7 is a schematic view of fig. 6 from another perspective.
In the drawings, the components represented by the respective reference numerals are listed below:
1. an operation table; 2. a lower die; 3. an upper die; 4. a support frame; 5. a hydraulic cylinder; 6. a fixed mount; 7. a first lead screw; 8. a second screw rod; 9. a movable plate; 10. a screw; 11. a movable block; 12. an electric push rod; 13. a support arm; 14. a clamping block; 15. an air blowing pipe; 16. a shunt tube; 17. a first flexible hose; 18. an air inlet pipe; 19. a second flexible hose; 20. a first motor; 21. a belt pulley; 22. a drive belt; 23. a second motor; 24. a mounting frame; 25. and (5) supporting legs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-7, the invention is a superplastic forming device for airplane special-shaped parts, comprising an operation table 1, wherein a lower die 2 is arranged on the upper surface of the operation table 1, an upper die 3 is arranged right above the lower die 2, a support frame 4 is welded on the rear side of the upper surface of the operation table 1, two hydraulic cylinders 5 are arranged on the upper surface of the support frame 4, and the telescopic ends of the two hydraulic cylinders 5 penetrate through the upper surface of the support frame 4 and are connected with the upper surface of the upper die 3;
the left side and the right side of the upper surface of an operation table 1 are respectively welded with a fixed frame 6, a first screw rod 7 and a second screw rod 8 are respectively arranged between the two fixed frames 6 and arranged on the front side and the back side, a movable plate 9 is arranged between the first screw rod 7 and the second screw rod 8, the first screw rod 7 and the second screw rod 8 are both in threaded fit with the movable plate 9, a movable groove is formed in the surface of the movable plate 9, a screw rod 10 is arranged in the movable groove, two movable blocks 11 are in threaded fit with the screw rod 10 and are in movable fit with the movable groove, an electric push rod 12 is arranged on the lower surface of each movable block 11, the telescopic end of each electric push rod 12 is connected with a support arm 13, clamping blocks 14 are welded at one end, close to each other, of the front support arm 13 and the back support arm 13, and the inner side of the lower end of each clamping block 14 is of an inclined structure;
the blowing hole has all been seted up to 2 front and back both sides on the surface of bed die, and both sides all are provided with a plurality of gas blow pipes 15 around 2 insides of bed die, are linked together with the blowing hole, and the 15 lower extremes of gas blow pipe run through 1 lower surface of operation panel, and are connected with shunt tubes 16 between a plurality of gas blow pipes 15, are connected with first flexible hose 17 on the shunt tubes 16.
The up-down movement of the clamping blocks 14 can be conveniently adjusted through the electric push rod 12, the screw rod 10 is matched with the movable block 11 in a threaded mode, the front clamping blocks 14 and the rear clamping blocks 14 can be conveniently driven to be close to or far away from each other, clamping of a blank to be machined is convenient, the first screw rod 7 and the second screw rod 8 are matched with the movable plate 9 in a threaded mode, the movable plate 9 can be conveniently adjusted to move left and right, the blank capable of being conveniently driven to be clamped can move, inert gas is conveyed into a gas blowing hole under the mutual matching of the first telescopic hose 17, the flow dividing pipe 16 and the gas blowing pipe 15, the blank attached to the inner wall of the cavity of the lower die 2 can be blown up conveniently, the inclined structure of the inner side of the lower end of each clamping block 14 is combined, the blank can be inserted into the lower die 2, and demolding of the blank after superplastic forming is convenient.
Be provided with the air inlet in the last mould 3, go up mould 3 rear surface and be connected with intake pipe 18, intake pipe 18 is linked together with the inside air inlet of last mould 3, and intake pipe 18 rear end is connected with second bellows 19, through mutually supporting of second bellows 19 and intake pipe 18, is convenient for let in inert pressure gas to the blank upside, conveniently realizes the superplastic forming of blank.
The mounting groove is formed in the rear side of the upper surface of the movable plate 9, the first motor 20 is mounted inside the mounting groove, an output shaft of the first motor 20 extends into the movable groove and is connected with the rear end of the screw rod 10, the first motor 20 is convenient to drive the screw rod 10 to rotate, and therefore clamping and releasing of blanks are facilitated.
The mount 6 on right side is all passed with 8 right-hand members of second lead screw to first lead screw 7, be connected with belt pulley 21, the transmission is connected with driving belt 22 between two front and back belt pulleys 21, rear side belt pulley 21 right side is connected with second motor 23, 6 surperficial rear sides of right side mount have welded mounting bracket 24, second motor 23 is installed inside mounting bracket 24, through second motor 23, belt pulley 21 and driving belt 22's combined action, conveniently drive the synchronous rotation of first lead screw 7 with second lead screw 8, and then realize driving the blank and remove, wherein mounting bracket 24 has ensured the stability of second motor 23.
A plurality of supporting legs 25 are welded on the lower surface of the operating platform 1, and supporting stability of the operating platform 1 is ensured through the supporting legs 25.
The clamping block 14 is of a U-shaped structure, a plurality of anti-slip grooves are formed in the inner wall of the clamping block 14, and the clamping effect of the blank is effectively guaranteed through the U-shaped structure of the clamping block 14 and the anti-slip grooves in the inner wall of the clamping block.
The spacing groove has all been seted up to the inside left and right sides of activity inslot portion, and the stopper has all been welded on both surfaces about the movable block 11, mutually supports with the spacing groove, through mutually supporting of stopper and spacing groove, effectively plays limiting displacement to movable block 11, has guaranteed the stability of movable block 11 back-and-forth movement.
The peripheral side of the outer surface of the lower die 2 is provided with a groove, the peripheral side of the outer surface of the upper die 3 is provided with a sealing ring which is matched with the groove, and the sealing performance between the upper die 3 and the lower die 2 in the superplastic forming process is ensured through the mutual matching of the sealing ring and the groove, so that the superplastic forming effect of the blank is ensured.
A superplastic forming process for airplane special-shaped parts is characterized by comprising the following steps:
the method comprises the following steps: the up-and-down movement of the clamping blocks 14 is adjusted through the electric push rod 12, and the screw rod 10 is matched with the thread of the movable block 11 to drive the front clamping block 14 and the rear clamping block 14 to approach each other so as to clamp the blank to be processed;
step two: the movable plate 9 is driven to move rightwards through the threaded matching of the first screw rod 7, the second screw rod 8 and the movable plate 9, so that clamped blanks are moved to the upper side of the lower die 2, the clamped blanks are placed on the lower die 2 under the combined action of the electric push rod 12, the screw rod 10 and the movable block 11, and meanwhile, workers assist in adjusting the positions of the blanks;
step three: the upper die 3 is driven to move downwards through the hydraulic cylinder 5 and is pressed on the lower die 2 to drive the sealing ring to be clamped into the groove, and meanwhile, inert pressure gas is introduced under the action of the air inlet pipe 18 and the second flexible hose 19, so that the blank is deformed and attached to the inner wall of the die cavity of the lower die 2 in the superplastic state, and the superplastic forming of the blank is completed;
step four: after superplastic forming, the upper die 3 is adjusted to move upwards to be far away from the lower die 2, inert gas is introduced into a gas blowing hole under the combined action of a gas blowing pipe 15, a shunt pipe 16 and a first flexible hose 17, the edge of a superplastic formed blank is blown away from the upper surface of the lower die 2, through the mutual matching of a screw rod 10 and a movable block 11, two clamping blocks 14 are adjusted to be close to each other, the blank is inserted between the blank and the lower die 2 under the action of an inclined structure at the lower end of the clamping block 14, the demoulding of the blank is completed, and finally, the blank after demoulding is driven to move rightwards under the clamping of the two clamping blocks 14, and the processing of the next link is carried out.
The working principle is as follows: when the airplane special-shaped part is subjected to overspeed forming, in an initial state, the movable plate 9 is positioned at the leftmost side, and the first flexible hose 17 and the second flexible hose 19 are connected with an external inert pressure gas supply mechanism;
when the airplane special-shaped part is subjected to superplastic forming processing, the first motor 20 is started firstly to drive the screw rod 10 to rotate, and under the threaded fit of the screw rod 10 and the movable blocks 11, the front movable block 11 and the rear movable block 11 are driven to approach each other, so that the front clamping block 14 and the rear clamping block 14 are adjusted to approach each other, and a blank to be processed is clamped;
simultaneously, a second motor 23 is started, the first screw rod 7 and the second screw rod 8 are driven to synchronously rotate under the mutual matching of the belt pulley 21 and the transmission belt 22, the movable plate 9 is driven to move rightwards under the screw thread matching of the first screw rod 7 and the second screw rod 8 with the movable plate 9, and then the clamped blank is driven to move rightwards until the blank moves right above the lower die 2;
at the moment, under the action of the electric push rod 12, the adjusting clamping blocks 14 move downwards to further drive the clamped blank to move towards the direction close to the lower die 2, meanwhile, the first motor 20 rotates reversely, under the action of the movable block 11, the two clamping blocks 14 are adjusted to be away from each other, the clamped blank is released to fall on the lower die 2, meanwhile, a worker assists in adjusting the position of the blank, and the movable plate 9 is adjusted to be away from the position right above the lower die 2;
then, a hydraulic cylinder 5 is driven to drive the upper die 3 to move downwards until the sealing ring is driven to be clamped into the groove, at the moment, the upper die 3 is tightly attached to the lower die 2, meanwhile, inert pressure gas is introduced to the upper side of the blank under the mutual matching of a second flexible hose 19 and an air inlet pipe 18, so that the blank deforms and is attached to the inner wall of the die cavity of the lower die 2 in a superplastic state, after the blank is formed and cooled, the gas pressure is removed, and meanwhile, the hydraulic cylinder 5 contracts to drive the upper die 3 to move upwards and keep away from the lower die 2;
at the moment, under the action of a first flexible hose 17, introducing inert pressure gas into a shunt tube 16, blowing the inert pressure gas out through an air blowing hole under the action of an air blowing pipe 15, separating the edge of a blank from a lower die 2, simultaneously moving an adjusting movable plate 9 to a position right above the lower die 2, moving an adjusting clamping block 14 downwards to the same horizontal plane with the upper surface of the lower die 2 under the action of an electric push rod 12, simultaneously adjusting two clamping blocks 14 to be close to each other under the action of a screw rod 10, and inserting the lower end of the clamping block 14 between the blank and the lower die 2 by combining an inclined structure on the inner side of the lower end of the clamping block 14 to realize the demoulding of the blank;
and finally, according to the steps, the clamping block 14 is adjusted to clamp the demolded blank, and the clamped blank is driven to move rightwards under the combined action of the first screw rod 7 and the second screw rod 8 to continue the processing of the next link.
It should be further noted that the installation manner, the connection manner or the arrangement manner of each component in the present invention are all common mechanical manners, and can be implemented as long as the beneficial effects thereof can be achieved, and the hydraulic cylinder 5, the electric push rod 12, the first motor 20 and the second motor 23 in the present invention are all purchased from the market, and those skilled in the art can install and use the components as required.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The superplastic forming equipment for the airplane special-shaped part comprises an operating platform (1) and is characterized in that a lower die (2) is arranged on the upper surface of the operating platform (1), an upper die (3) is arranged right above the lower die (2), a support frame (4) is welded on the rear side of the upper surface of the operating platform (1), two hydraulic cylinders (5) are arranged on the upper surface of the support frame (4), and the telescopic ends of the two hydraulic cylinders (5) penetrate through the upper surface of the support frame (4) and are connected with the upper surface of the upper die (3);
the left side and the right side of the upper surface of the operating platform (1) are respectively welded with a fixing frame (6), a first lead screw (7) and a second lead screw (8) are respectively arranged on the front side and the rear side between the two fixing frames (6), a movable plate (9) is arranged between the first lead screw (7) and the second lead screw (8), the first lead screw (7) and the second lead screw (8) are respectively in threaded fit with the movable plate (9), a movable groove is formed in the surface of the movable plate (9), a screw (10) is arranged in the movable groove, two movable blocks (11) are in threaded fit with the screw (10) and are in movable fit with the movable groove, an electric push rod (12) is arranged on the lower surface of each movable block (11), the telescopic end of the electric push rod (12) is connected with a supporting arm (13), clamping blocks (14) are welded at the ends, close to each other, of the front supporting arm and the rear supporting arm (13), and the inner side of the lower end of each clamping block (14) is of an inclined structure;
the air blowing hole has all been seted up to lower mould (2) both sides around the surface, both sides all are provided with a plurality of gas blow pipes (15) around lower mould (2) is inside, are linked together with the air blowing hole, gas blow pipe (15) lower extreme runs through operation panel (1) lower surface, and is a plurality of be connected with shunt tubes (16) between gas blow pipe (15), be connected with first stretch hose (17) on shunt tubes (16).
2. The superplastic forming equipment for airplane special-shaped parts according to claim 1, wherein an air inlet is arranged in said upper die (3), an air inlet pipe (18) is connected to the rear surface of said upper die (3), said air inlet pipe (18) is communicated with the air inlet inside the upper die (3), and the rear end of said air inlet pipe (18) is connected with a second flexible hose (19).
3. The superplastic forming equipment for airplane special-shaped parts according to claim 2, wherein a mounting groove is opened on the rear side of the upper surface of said movable plate (9), a first motor (20) is installed in said mounting groove, and the output shaft of said first motor (20) extends to the interior of said movable groove and is connected with the rear end of said screw (10).
4. The superplastic forming equipment for airplane special-shaped parts according to claim 3, wherein the right ends of said first screw rod (7) and said second screw rod (8) are both passed through the right side fixing frame (6) and connected with belt pulley (21), a driving belt (22) is connected between the front and rear belt pulleys (21), and the right side of said rear belt pulley (21) is connected with second motor (23).
5. Superplastic forming equipment for aircraft profiled parts according to claim 4, characterized in that a mounting bracket (24) is welded on the rear side of the surface of said right-hand holder (6), said second electric motor (23) being mounted inside said mounting bracket (24).
6. Superplastic forming equipment for airplane special-shaped parts, according to claim 5, characterized in that a number of support legs (25) are welded to the lower surface of said console (1).
7. The superplastic forming equipment for airplane special-shaped parts according to claim 6, wherein said clamping block (14) is of a U-shaped structure, and a plurality of anti-skid grooves are opened on the inner wall of said clamping block (14).
8. The superplastic forming equipment for airplane special-shaped parts according to claim 7, wherein limiting grooves are formed on the left and right sides of the interior of said movable groove, and limiting blocks are welded on the left and right surfaces of said movable block (11) and are matched with the limiting grooves.
9. Superplastic forming equipment for aircraft special-shaped parts according to claim 8, characterized in that said lower die (2) is provided with grooves on the peripheral side of its outer surface, said upper die (3) is provided with sealing rings on the peripheral side of its outer surface, cooperating with the grooves.
10. A superplastic forming process for airplane special-shaped parts is characterized by comprising the following steps:
the method comprises the following steps: the up-and-down movement of the clamping blocks (14) is adjusted through the electric push rod (12), and the screw rod (10) is matched with the thread of the movable block (11) to drive the front clamping block and the rear clamping block (14) to approach each other so as to clamp a blank to be processed;
step two: the movable plate (9) is driven to move rightwards through the threaded fit of the first screw rod (7), the second screw rod (8) and the movable plate (9), then the clamped blank is moved to the upper side of the lower die (2), the clamped blank is placed on the lower die (2) under the combined action of the electric push rod (12), the screw rod (10) and the movable block (11), and meanwhile, a worker assists in adjusting the position of the blank;
step three: the upper die (3) is driven to move downwards through the hydraulic cylinder (5) and is pressed on the lower die (2) to drive the sealing ring to be clamped into the groove, and meanwhile, inert pressure gas is introduced under the action of the air inlet pipe (18) and the second flexible hose (19) to enable the blank to deform and attach to the inner wall of the die cavity of the lower die (2) in the superplastic state, so that the superplastic forming of the blank is completed;
step four: after superplastic forming, the upper die (3) is adjusted to move upwards to be far away from the lower die (2), under the combined action of an air blowing pipe (15), a shunt pipe (16) and a first telescopic hose (17), inert gas is introduced into an air blowing hole, the edge of a blank after superplastic forming is blown away from the upper surface of the lower die (2), two clamping blocks (14) are adjusted to be close to each other through the mutual matching of a screw rod (10) and a movable block (11), the blank is inserted between the blank and the lower die (2) under the action of an inclined structure at the lower end of each clamping block (14), the demoulding of the blank is completed, and finally, under the clamping of the two clamping blocks (14), the blank after demoulding is driven to move rightwards to process the next link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211646865.6A CN115846498A (en) | 2022-12-21 | 2022-12-21 | Superplastic forming equipment and process for airplane special-shaped part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211646865.6A CN115846498A (en) | 2022-12-21 | 2022-12-21 | Superplastic forming equipment and process for airplane special-shaped part |
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| CN115846498A true CN115846498A (en) | 2023-03-28 |
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| CN202211646865.6A Pending CN115846498A (en) | 2022-12-21 | 2022-12-21 | Superplastic forming equipment and process for airplane special-shaped part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116689596A (en) * | 2023-08-03 | 2023-09-05 | 辽宁华天航空科技股份有限公司 | Super-plastic forming die and technology for airplane baffle |
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2022
- 2022-12-21 CN CN202211646865.6A patent/CN115846498A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116689596A (en) * | 2023-08-03 | 2023-09-05 | 辽宁华天航空科技股份有限公司 | Super-plastic forming die and technology for airplane baffle |
| CN116689596B (en) * | 2023-08-03 | 2023-10-03 | 辽宁华天航空科技股份有限公司 | Super-plastic forming die and technology for airplane baffle |
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