An aircraft titanium alloy part shape correction device

Abstract

The present invention discloses a shape correction device for aircraft titanium alloy parts, including a bottom plate and an operation box body. The operation box body is installed at the center of the upper end of the bottom plate. Rotating die-changing structures are movably arranged on both sides of the operation box body. A support box body is arranged at the lower end inside the operation box body. A bottom die support and fixing structure is arranged at the upper end inside the support box body. A heating and driving structure is arranged at the lower end inside the support box body. An upper die driving and fixing structure is arranged at the upper end inside the operation box body. The present invention relates to the technical field of shape correction of aircraft titanium alloy parts. The beneficial effects of this case are as follows: The rotating die-changing structure adopted in this case can carry and install spare supporting dies. When in use, in cooperation with the bottom die support and fixing structure and the upper die driving and fixing structure, it can store the disassembled dies and rotate the spare dies to the installation position, and quickly install the dies through the provided bottom die support and fixing structure and upper die driving and fixing structure.

Description

Technical Field

[0001] The present invention relates to the technical field of aircraft titanium alloy part shape correction, and specifically relates to an aircraft titanium alloy part shape correction device. Background Art

[0002] Titanium alloy materials have high specific strength, good processing performance, and can manufacture thinner and finer structural devices. Their heat dissipation performance and surface texture are also more excellent; at the same time, compared with general metal materials, titanium alloy has low density and good corrosion resistance, and can meet the coating and plating processes carried out in corrosive media;

[0003] At present, when correcting the shape of aircraft titanium alloy parts, due to the diversity of aircraft parts, when the same shape correction equipment corrects parts of multiple specifications, it is necessary to manually replace the shape correction mold, and the operation is relatively cumbersome. Moreover, frequent replacement of the mold affects the shape correction efficiency of the parts, resulting in a relatively low overall processing efficiency of the parts. In addition, the manually replaced mold needs to be frequently carried and moved, resulting in a high labor intensity for the staff. In view of this, in-depth research on the above problems has led to the generation of this case. Summary of the Invention

[0004] To achieve the above objectives, the present invention is realized through the following technical solutions: An aircraft titanium alloy part shape correction device includes a bottom plate and an operation box body. The operation box body is installed at the center of the upper end of the bottom plate. Rotating mold-changing structures are movably arranged on both sides of the operation box body. A support box body is arranged at the lower end inside the operation box body. A bottom mold support and fixation structure is arranged at the upper end inside the support box body. A heating and driving structure is arranged at the lower end inside the support box body. An upper mold driving and fixation structure is arranged at the upper end inside the operation box body. The rotating mold-changing structure includes: two support frames, two linear slides, two mounting shafts, two rotating flanges, a multi-sided placement block, two upper mold fixing grooves, four first electric push rods, four slide rails, four springs, four moving blocks, two bottom mold fixing grooves, four second electric push rods, four insertion rods, a servo motor, a first gear, and a second gear;

[0005] The two support frames are respectively installed on the two side wall surfaces of the operation box body. Strip-shaped grooves are provided on the two side wall surfaces of the operation box body. The two linear sliders are respectively installed at the upper ends of the two support frames. One ends of the two mounting shafts are respectively fixedly connected to the driving ends of the two linear sliders, and the other ends are respectively installed on the inner sides of the two sides of the operation box body through the strip-shaped grooves. One ends of the two rotating flanges are respectively connected to the other ends of the two mounting shafts. Both ends of the polygonal placing block are respectively connected to the other ends of the two rotating flanges. The two upper die fixing grooves are respectively opened in two of the wall surfaces of the polygonal placing block. Four first electric push rods are respectively installed on the two inner side wall surfaces of the two upper die fixing grooves. Four slide rails are respectively installed at the lower wall surfaces of the two inner sides of the two upper die fixing grooves. One ends of the four springs are respectively installed on the two inner side wall surfaces of the two upper die fixing grooves. The bottom ends of the four moving blocks are respectively installed in the four slide rails, and the upper ends are respectively connected to the four first electric push rods and the four springs. The two bottom die fixing grooves are respectively opened on both sides of the polygonal placing block. Four second electric push rods are respectively installed on the two inner side wall surfaces of the two bottom die fixing grooves. Four inserting rods are respectively installed on the telescopic ends of the four second electric push rods. The servo motor is installed on one side wall surface of the polygonal placing block. The first gear is installed on the driving end of the servo motor. The second gear is sleeved on the upper end of one of the mounting shafts and meshes with the first gear.

[0006] Preferably, the bottom die support and fixation structure includes: a bottom die fixing plate, a bottom die body, two support plates, two lifting cylinders, two limiting cylinders and two limiting rods;

[0007] The bottom die fixing plate is placed on the upper end of the support box body. The bottom die body is placed on the upper end of the bottom die fixing plate. The two support plates are respectively installed on the two inner sides of the support box body. The two lifting cylinders are respectively installed on the upper ends of the two support plates, and the telescopic ends thereof all penetrate through the upper wall surface of the support box body and are connected to the bottom die fixing plate. The two limiting cylinders are both installed on the upper ends of the two limiting cylinders, and the telescopic ends thereof all penetrate through the upper wall surface of the support box body. The two limiting rods are respectively installed on the upper ends of the two limiting cylinders and are respectively attached to both sides of the bottom die body.

[0008] Preferably, the heating driving structure includes: a gas storage tank, a pressure gauge, a connecting pipe and a plurality of nozzles;

[0009] The gas storage tank is installed at the lower end inside the support box body. A control valve is provided at the gas outlet end of the gas storage tank. The pressure gauge is installed on one side wall surface of the gas storage tank. One end of the connecting pipe is connected to the control valve at the gas outlet end of the gas storage tank, and the other end is installed on the rear wall surface of the operation box body. A plurality of nozzles are all installed on the upper end of the connecting pipe.

[0010] Preferably, the upper die driving and fixing structure includes: two driving hydraulic cylinders, an upper die fixing plate, an upper die body, two mounting grooves, and a mounting component;

[0011] Both of the two driving hydraulic cylinders are installed on the upper wall surface of the operation box body, and the telescopic ends thereof both penetrate through the upper wall surface of the operation box body. The upper die fixing plate is installed on the telescopic ends of the two driving hydraulic cylinders. The upper die body is placed at the lower end of the upper die fixing plate. The two mounting grooves are respectively opened on the front wall surface and the rear wall surface of the upper die body. The mounting component is installed at the upper end of the upper die fixing plate, and both ends thereof are respectively embedded in the two mounting grooves.

[0012] Preferably, the mounting component includes: a double-headed motor, two lead screws, a chute, two sliding plates, four Z-shaped plates, and four insertion plates;

[0013] The double-headed motor is installed at the center of the upper end of the upper die fixing plate. The two lead screws are respectively installed on the driving ends on both sides of the double-headed motor. The chute is opened on both sides of the upper end of the upper die fixing plate. The two sliding plates are respectively slidably embedded in the slide rail and are respectively sleeved on the upper ends of the two lead screws. The four Z-shaped plates are respectively installed on both sides of the two sliding plates. The four insertion plates are respectively installed on one side of the lower ends of the four Z-shaped plates and are respectively embedded in the two mounting grooves.

[0014] Preferably, fixing holes are respectively opened on both side wall surfaces of the upper die body, and bevels are respectively opened on both sides of the lower end of the upper die body.

[0015] Preferably, mounting holes are respectively opened on both sides of the bottom die body, and bevels are respectively opened on both sides of the bottom die.

[0016] Preferably, a fixing frame for fixing the driving hydraulic cylinder is provided at the connection between the driving hydraulic cylinder and the operation box body.

[0017] Preferably, the slide rail is a concave slide rail, and the bottom end of the moving clamping block is slidably embedded in the slide rail.

[0018] Beneficial effects

[0019] The present invention provides an aircraft titanium alloy part shape correction device, which has the following beneficial effects: The rotation die changing structure adopted in this case can carry and install the spare supporting dies, and when in use, in cooperation with the bottom die support and fixing structure and the upper die driving and fixing structure, the disassembled dies can be stored, and the spare dies can be rotated to the installation position. The dies are quickly installed through the provided bottom die support and fixing structure and upper die driving and fixing structure, eliminating the need for manual die changing by workers, increasing the overall efficiency of die replacement, reducing the labor intensity of workers, and increasing the shape correction efficiency of parts;

[0020] It effectively solves the technical problems existing in the current calibration of aircraft titanium alloy parts. Due to the diversity of aircraft parts, when the same calibration device calibrates parts of multiple specifications, it is necessary to manually replace the calibration molds. The operation is rather cumbersome, and the frequent replacement of molds affects the calibration efficiency of the parts, resulting in a relatively low overall processing efficiency of the parts. Moreover, the molds manually replaced need to be frequently carried and moved, leading to a relatively high labor intensity for the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a front view structural schematic diagram of a calibration device for aircraft titanium alloy parts according to the present invention.

[0022] Figure 2 It is a front view structural schematic diagram of a rotating mold-changing structure of a calibration device for aircraft titanium alloy parts according to the present invention.

[0023] Figure 3 It is a front view structural schematic diagram of a bottom mold support and fixing structure of a calibration device for aircraft titanium alloy parts according to the present invention.

[0024] Figure 4 It is a side view partial sectional structural schematic diagram of a calibration device for aircraft titanium alloy parts according to the present invention.

[0025] Figure 5 It is a side view structural schematic diagram of a rotating mold-changing structure of a calibration device for aircraft titanium alloy parts according to the present invention.

[0026] Figure 6 It is a front view structural schematic diagram of an upper mold driving and fixing structure of a calibration device for aircraft titanium alloy parts according to the present invention.

[0027] Figure 7 It is a side view structural schematic diagram of an upper mold driving and fixing structure of a calibration device for aircraft titanium alloy parts according to the present invention.

[0028] Figure 8 It is a partial three-dimensional structural schematic diagram of an upper mold driving and fixing structure of a calibration device for aircraft titanium alloy parts according to the present invention.

[0029] In the figure: 1, bottom plate; 2, operation box body; 3, support box body; 4, support frame; 5, linear slide; 6, mounting shaft; 7, rotating flange; 8, multi-sided placement block; 9, upper die fixing groove; 10, first electric push rod; 11, slide rail; 12, spring; 13, moving clamping block; 14, bottom die fixing groove; 15, second electric push rod; 16, inserting rod; 17, servo motor; 18, first gear; 19, second gear; 20, bottom die fixing plate; 21, bottom die body; 22, support plate; 23, lifting cylinder; 24, limiting cylinder; 25, limiting rod; 26, gas storage tank; 27, pressure gauge; 28, connecting pipe; 29, nozzle; 30, driving hydraulic cylinder; 31, upper die fixing plate; 32, upper die body; 33, mounting groove; 34, double-headed motor; 35, lead screw; 36, chute; 37, sliding plate; 38, Z-shaped plate; 39, inserting plate; 40, fixing hole; 41, mounting hole; 42, fixing frame. Detailed implementation mode

[0030] Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] Embodiment: Please refer to Figure 1 -8. The main components of this case are: a shaping device for aircraft titanium alloy parts, including a bottom plate 1 and an operation box body 2. The operation box body 2 is installed at the center of the upper end of the bottom plate 1. Rotating die-changing structures are movably arranged on both sides of the operation box body 2. A support box body 3 is arranged at the lower end inside the operation box body 2. A bottom die support and fixing structure is arranged at the upper end inside the support box body 3. A heating and driving structure is arranged at the lower end inside the support box body 3. An upper die driving and fixing structure is arranged at the upper end inside the operation box body 2. It is characterized in that the rotating die-changing structure includes: two support frames 4, two linear slides 5, two mounting shafts 6, two rotating flanges 7, a multi-sided placement block 8, two upper die fixing grooves 9, four first electric push rods 10, four slide rails 11, four springs 12, four moving clamping blocks 13, two bottom die fixing grooves 14, four second electric push rods 15, four inserting rods 16, a servo motor 17, a first gear 18 and a second gear 19;

[0032] Two support frames 4 are respectively installed on the two side wall surfaces of the operation box body 2. Strip-shaped grooves are provided on both side wall surfaces of the operation box body 2. Two linear sliders 5 are respectively installed at the upper ends of the two support frames 4. One ends of two mounting shafts 6 are respectively fixedly connected to the driving ends of the two linear sliders 5, and the other ends are respectively embedded in the two sides inside the operation box body 2 through the strip-shaped grooves. One ends of two rotating flanges 7 are respectively connected to the other ends of the two mounting shafts 6. Both ends of the multi-sided placement block 8 are respectively connected to the other ends of the two rotating flanges 7. Two upper die fixing grooves 9 are respectively opened in two of the wall surfaces of the multi-sided placement block 8. Four first electric push rods 10 are respectively installed on the two inner side wall surfaces of the two upper die fixing grooves 9. Four slide rails 11 are respectively installed at the two lower inner wall surfaces of the two upper die fixing grooves 9. One ends of four springs 12 are respectively installed on the two inner side wall surfaces of the two upper die fixing grooves 9. The bottoms of the four moving blocks are respectively embedded in the four slide rails 11, and the upper ends are respectively connected to the four first electric push rods 10 and the four springs 12. Two bottom die fixing grooves 14 are respectively opened on both sides of the multi-sided placement block 8. Four second electric push rods 15 are respectively embedded in the two inner side wall surfaces of the two bottom die fixing grooves 14. Four insertion rods 16 are respectively installed on the telescopic ends of the four second electric push rods 15. The servo motor 17 is embedded in one side wall surface of the multi-sided placement block 8. The first gear 18 is installed on the driving end of the servo motor 17. The second gear 19 is sleeved on the upper end of one of the mounting shafts 6 and meshes with the first gear 18.

[0033] It should be noted that during use, the staff drives the rotation die-changing structures on both sides of the operation box body 2 according to the use requirements, operates through the two linear slides 5 at the upper ends of the two support frames 4, drives the two mounting shafts 6 to move to the designated positions through the two linear slides 5, so that the multi-sided placement block 8 is located between the bottom die support and fixing structure and the upper die driving and fixing structure. By driving the servo motor 17 to operate, the servo motor 17 drives the first gear 18 to rotate. Since the second gear 19 is fixedly installed at the upper end of one of the mounting shafts 6, through the rotation of the first gear 18, the first gear 18 moves around the second gear 19, driving the multi-sided placement block 8 to rotate between the two mounting shafts 6 under the action of the two rotating flanges 7. By controlling the servo motor 17, the multi-sided placement block 8 is rotated to the designated angle. Then, by driving the bottom die support and fixing structure to work, the bottom die body 21 is carried, and the two second electric push rods 15 in the bottom die fixing groove 14 at the lower end are contracted, driving the two insertion rods 16 to move to both sides, releasing both sides of the bottom die body 21 in the bottom die fixing groove 14 at the lower end, so that the bottom die body 21 falls on the upper end of the bottom die support and fixing structure, and the bottom die support and fixing structure limits and fixes the bottom die body 21. Then, by driving the two first electric push rods 10 in the upper die fixing groove 9 at the uppermost end to contract, driving the two moving blocks 13 to move to both sides in the two slide rails 11, releasing both sides of the upper die body 32 in the upper die fixing groove 9, and clamping and fixing the upper die body 32 through the upper die driving and fixing structure. After the mold is installed, the two linear slides 5 are driven in the reverse direction, driving the multi-sided placement block 8 to move to the rear end of the operation box body 2. The staff places the titanium alloy part to be calibrated in the bottom die body 21 at the upper end of the bottom die support and fixing structure. By driving the heating and driving structure in the support box body 3 to work, the titanium alloy part in the bottom die body 21 is heated. When heated to the designated temperature, by driving the upper die driving and fixing structure, and through the cooperation of the upper die driving and fixing structure and the bottom die support and fixing structure, the titanium alloy part is calibrated. When replacing the mold after the part is processed, drive the two linear slides 5 to move the multi-sided placement block 8 to between the bottom die support and fixing structure and the upper die driving and fixing structure again, drive the bottom die support and fixing structure and the upper die driving and fixing structure to work, embed the mold into the upper die fixing groove 9 and the bottom die fixing groove 14 of the multi-sided placement block 8, drive the two first electric push rods 10, push the two moving blocks 13 to move inward, and through the arranged spring 12, ensure the fitting strength between the moving block 13 and the upper die body 32, fix the upper die body 32 in the upper die fixing groove 9, and then drive the two second electric push rods 15 to work, push the two insertion rods 16 to fix the bottom die body 21 in the bottom die fixing groove 14. Drive the servo motor 17 again to drive the multi-sided placement block 8 to rotate 90 degrees again, repeat the upper die operation, and the purpose of replacing the mold can be achieved.

[0034] In the specific implementation process, the bottom die support and fixing structure includes: a bottom die fixing plate 20, a bottom die body 21, two support plates 22, two lifting cylinders 23, two limiting cylinders 24, and two limiting rods 25;

[0035] The bottom die fixing plate 20 is placed on the upper end of the support box body 3, the bottom die body 21 is placed on the upper end of the bottom die fixing plate 20, the two support plates 22 are respectively installed on both sides inside the support box body 3, the two lifting cylinders 23 are respectively installed on the upper ends of the two support plates 22, and the telescopic ends thereof all penetrate through the upper wall surface of the support box body 3 and are connected to the bottom die fixing plate 20. The two limiting cylinders 24 are both installed on the upper ends of the two limiting cylinders 24, and the telescopic ends thereof all penetrate through the upper wall surface of the support box body 3. The two limiting rods 25 are respectively installed on the upper ends of the two limiting cylinders 24 and are respectively attached to both sides of the bottom die body 21.

[0036] It should be noted that when installing the bottom die body 21, first drive the two lifting cylinders 23 at the upper ends of the two support plates 22 to work, push the bottom die fixing plate 20 to move upward, and fit it with the bottom die body 21 at the lower end of the polygonal placing block 8. The bottom die fixing plate 20 bears the bottom die body 21, drive the two lifting cylinders 23 to reset, make the bottom die fixing plate 20 fit with the upper wall surface of the support box body 3, and then drive the two limiting cylinders 24 to work, push the two limiting rods 25 to move upward, and limit both sides of the bottom die body 21 to achieve the purpose of limiting and fixing the bottom die body 21.

[0037] In the specific implementation process, the heating drive structure includes: a gas storage tank 26, a pressure gauge 27, a connecting pipe 28, and a number of nozzles 29;

[0038] The gas storage tank 26 is installed at the lower end inside the support box body 3. A control valve is provided at the gas outlet end of the gas storage tank 26. The pressure gauge 27 is installed on one side wall surface of the gas storage tank 26. One end of the connecting pipe 28 is connected to the control valve at the gas outlet end of the gas storage tank 26, and the other end is embedded in the rear wall surface of the operation box body 2. A number of nozzles 29 are all installed on the upper end of the connecting pipe 28.

[0039] It should be noted that during use, open the control valve at the gas outlet end of the gas storage tank 26, so that the gas is sprayed out by a number of nozzles 29 through the connecting pipe 28, and the staff ignites the gas to heat the workpiece. The gas pressure in the gas storage tank 26 is monitored in real time through the pressure gauge 27 provided on one side of the gas storage tank 26.

[0040] In the specific implementation process, the upper die drive and fixing structure: two drive hydraulic cylinders 30, an upper die fixing plate 31, an upper die body 32, two installation grooves 33, and an installation component;

[0041] The two driving hydraulic cylinders 30 are both installed on the upper wall surface of the operation box body 2, and the telescopic ends both penetrate through the upper wall surface of the operation box body 2. The upper die fixing plate 31 is installed on the telescopic ends of the two driving hydraulic cylinders 30. The upper die body 32 is placed at the lower end of the upper die fixing plate 31. The two installation grooves 33 are respectively opened on the front wall surface and the rear wall surface of the upper die body 32. The installation component is installed at the upper end of the upper die fixing plate 31, and both ends are respectively embedded in the two installation grooves 33.

[0042] It should be noted that when installing the upper die body 32, first drive the two driving hydraulic cylinders 30 to work, push the upper die fixing plate 31 to move downward until the upper die fixing plate 31 fits with the upper die body 32 at the upper end of the multi-sided placing block 8. Then drive the installation component to work, cooperate with the two installation grooves 33 at the front and rear ends of the upper die body 32, fix the upper die body 32 at the lower end of the upper die fixing plate 31. Then drive the two driving hydraulic cylinders 30 to contract, drive the upper die body 32 to separate from the multi-sided placing block 8. When in use, drive the two driving hydraulic cylinders 30 to extend until the upper die body 32 fits with the lower die body, and perform the calibration operation on the titanium alloy part.

[0043] In the specific implementation process, the installation component includes: a double-headed motor 34, two lead screws 35, a chute 36, two sliding plates 37, four Z-shaped plates 38, and four insertion plates 39;

[0044] The double-headed motor 34 is installed at the center of the upper end of the upper die fixing plate 31. The two lead screws 35 are respectively installed on the driving ends on both sides of the double-headed motor 34. The chute 36 is opened on both sides of the upper end of the upper die fixing plate 31. The two sliding plates 37 are respectively slidably embedded in the slide rails 11 and respectively sleeved on the upper ends of the two lead screws 35. The four Z-shaped plates 38 are respectively installed on both sides of the two sliding plates 37. The four insertion plates 39 are respectively installed on one side of the lower ends of the four Z-shaped plates 38 and respectively embedded in the two installation grooves 33.

[0045] It should be noted that when installing the upper die body 32, the staff drives the double-headed motor 34 to work. The double-headed motor 34 drives the two lead screws 35 to rotate. Through the rotation of the two lead screws 35, the two sliding plates 37 move on the two chutes 36 and the upper ends of the two lead screws 35, so that the four Z-shaped plates 38 and the four insertion plates 39 move towards the center of the upper die body 32 until one end of the four insertion plates 39 is embedded in the installation grooves 33 on both sides of the upper die body 32, achieving the purpose of fixing the upper die body 32.

[0046] In the specific implementation process, fixing holes 40 are respectively opened on both side wall surfaces of the upper die body 32, and chamfers are respectively opened on both sides at the lower end of the upper die body 32.

[0047] In the specific implementation process, installation holes 41 are respectively opened on both sides of the bottom die body 21, and chamfers are respectively opened on both sides of the bottom die.

[0048] In the specific implementation process, a fixing frame 42 for fixing the driving hydraulic cylinder 30 is provided at the connection between the driving hydraulic cylinder 30 and the operation box body 2.

[0049] In the specific implementation process, the slide rail 11 is a concave slide rail 11, and the bottom end of the moving block 13 is slidably fitted in the slide rail 11.

[0050] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aircraft titanium alloy part calibration device, comprising a bottom plate (1) and an operation box body (2). The operation box body (2) is installed at the center of the upper end of the bottom plate (1). Rotating die-changing structures are movably arranged on both sides of the operation box body (2). A support box body (3) is arranged at the lower end inside the operation box body (2). A bottom die support and fixation structure is arranged at the upper end inside the support box body (3). A heating and driving structure is arranged at the lower end inside the support box body (3). An upper die driving and fixation structure is arranged at the upper end inside the operation box body (2), characterized in that, The rotation die-changing structure includes: two support frames (4), two linear slides (5), two mounting shafts (6), two rotating flanges (7), a multi-sided placement block (8), two upper die fixing grooves (9), four first electric push rods (10), four slide rails (11), four moving blocks, four springs (12), four moving clamping blocks (13), two lower die fixing grooves (14), four second electric push rods (15), four insertion rods (16), a servo motor (17), a first gear (18), and a second gear (19); The two support frames (4) are respectively installed on the two side wall surfaces of the operation box body (2). Bar-shaped grooves are provided on the two side wall surfaces of the operation box body (2). The two linear slides (5) are respectively installed at the upper ends of the two support frames (4). One ends of the two mounting shafts (6) are fixedly connected to the driving ends of the two linear slides (5), and the other ends are respectively embedded in the two sides inside the operation box body (2) through the bar-shaped grooves. One ends of the two rotating flanges (7) are respectively connected to the other ends of the two mounting shafts (6). The two ends of the multi-sided placement block (8) are respectively connected to the other ends of the two rotating flanges (7). The two upper die fixing grooves (9) are respectively opened in two of the wall surfaces of the multi-sided placement block (8). The four first electric push rods (10) are respectively installed on the two inner side wall surfaces of the two upper die fixing grooves (9). The four slide rails (11) are respectively installed at the lower wall surfaces on both sides inside the two upper die fixing grooves (9). One ends of the four springs (12) are respectively installed on the two inner side wall surfaces of the two upper die fixing grooves (9). The bottom ends of the four moving blocks are respectively embedded in the four slide rails (11), and the upper ends are respectively connected to the four first electric push rods (10) and the four springs (12). The two lower die fixing grooves (14) are respectively opened on both sides of the multi-sided placement block (8). The four second electric push rods (15) are respectively embedded in the two inner side wall surfaces of the two lower die fixing grooves (14). The four insertion rods (16) are respectively installed on the telescopic ends of the four second electric push rods (15). The servo motor (17) is embedded in one side wall surface of the multi-sided placement block (8). The first gear (18) is installed on the driving end of the servo motor (17). The second gear (19) is sleeved on the upper end of one of the mounting shafts (6) and meshes with the first gear (18).

2. The aircraft titanium alloy part shape correction device according to claim 1, characterized in that, The lower die support and fixing structure includes: a lower die fixing plate (20), a lower die body (21), two support plates (22), two lifting cylinders (23), two limiting cylinders (24), and two limiting rods (25); The bottom die fixing plate (20) is placed on the upper end of the support box body (3), the bottom die body (21) is placed on the upper end of the bottom die fixing plate (20), two of the support plates (22) are respectively installed on both sides inside the support box body (3), two of the lifting cylinders (23) are respectively installed on the upper ends of the two support plates (22), and the telescopic ends thereof all penetrate through the upper wall surface of the support box body (3) and are connected to the bottom die fixing plate (20). Two of the limiting cylinders (24) are both installed on the upper ends of the two limiting cylinders (24), and the telescopic ends thereof all penetrate through the upper wall surface of the support box body (3). Two of the limiting rods (25) are respectively installed on the upper ends of the two limiting cylinders (24), and are respectively in contact with both sides of the bottom die body (21).

3. The aircraft titanium alloy part shape correction device according to claim 1, characterized in that, The heating drive structure includes: a gas storage tank (26), a pressure gauge (27), a connecting pipe (28), and a plurality of nozzles (29). The gas storage tank (26) is installed at the lower end inside the support box body (3). A control valve is provided at the gas outlet end of the gas storage tank (26). The pressure gauge (27) is installed on one side wall surface of the gas storage tank (26). One end of the connecting pipe (28) is connected to the control valve at the gas outlet end of the gas storage tank (26), and the other end is embedded in the rear wall surface of the operation box body (2). A plurality of the nozzles (29) are all installed on the upper end of the connecting pipe (28).

4. The aircraft titanium alloy part calibration device according to claim 1, characterized in that, The upper die drive and fixing structure: two drive hydraulic cylinders (30), an upper die fixing plate (31), an upper die body (32), two installation grooves (33), and an installation component. Two of the drive hydraulic cylinders (30) are both installed on the upper wall surface of the operation box body (2), and the telescopic ends thereof all penetrate through the upper wall surface of the operation box body (2). The upper die fixing plate (31) is installed on the telescopic ends of the two drive hydraulic cylinders (30). The upper die body (32) is placed at the lower end of the upper die fixing plate (31). Two of the installation grooves (33) are respectively opened on the front wall surface and the rear wall surface of the upper die body (32). The installation component is installed on the upper end of the upper die fixing plate (31), and both ends thereof are respectively embedded in the two installation grooves (33).

5. The aircraft titanium alloy part calibration device according to claim 4, characterized in that, The installation component includes: a double-headed motor (34), two lead screws (35), a sliding groove (36), two sliding plates (37), four Z-shaped plates (38), and four insertion plates (39). The double-headed motor (34) is installed at the center of the upper end of the upper die fixing plate (31). Two of the lead screws (35) are respectively installed on the driving ends on both sides of the double-headed motor (34). The sliding groove (36) is opened on both sides of the upper end of the upper die fixing plate (31). Two of the sliding plates (37) are respectively slidably embedded in the slide rails (11), and are respectively sleeved on the upper ends of the two lead screws (35). Four of the Z-shaped plates (38) are respectively installed on both sides of the two sliding plates (37). Four of the insertion plates (39) are respectively installed on one side of the lower ends of the four Z-shaped plates (38), and are respectively embedded in the two installation grooves (33).

6. The aircraft titanium alloy part calibration device according to claim 4, characterized in that, Fixing holes (40) are provided on both side wall surfaces of the upper die body (32), and chamfers are provided on both sides of the lower end of the upper die body (32).

7. The aircraft titanium alloy part shape correction device according to claim 2, characterized in that, Mounting holes (41) are provided on both sides of the bottom die body (21), and chamfers are provided on both sides of the bottom die.

8. The aircraft titanium alloy part shape correction device according to claim 4, characterized in that, A fixing frame (42) for fixing the driving hydraulic cylinder (30) is provided at the connection between the driving hydraulic cylinder (30) and the operation box body (2).

9. The aircraft titanium alloy part shape correction device according to claim 1, characterized in that, The slide rail (11) is a concave slide rail (11), and the bottom end of the moving block (13) is slidably fitted in the slide rail (11).

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