Combined fixture for machining and clamping of heavy gas turbine doublet blades

Abstract

The application provides a combined clamp for heavy gas turbine double-blade machining clamping, and relates to the technical field of double-blade machining. The combined clamp for heavy gas turbine double-blade machining clamping comprises a placing table, a control box and a translation structure. The control box is arranged at one side of the front end of the placing table. The translation structure is arranged at the lower part of the inside of the placing table. The rear end of the translation structure penetrates through the rear end surface of the placing table and reaches the inside of the placing table. The upper end surface of the translation structure at the rear end of the placing table is fixedly connected with a first base. The first base is provided with first sliding blocks at the two sides of the inside. The upper end surfaces of the two first sliding blocks are provided with first angle adjusting structures. The angles of the whole and the clamping structure are adjusted through the cooperation of the first angle adjusting structure and a second adjusting structure. The position of the clamping structure is adjusted. The clamping of the special-shaped structure of the double-blade is facilitated. The stability of clamping is improved.

Description

Technical Field

[0001] This invention relates to the field of twin-blade machining technology, specifically a combined clamping fixture for machining twin blades of heavy-duty gas turbines. Background Technology

[0002] The twin blades of heavy-duty gas turbines, also known as twin blades or twin structure blades, are an advanced blade design designed to improve the efficiency and reliability of gas turbines. In the production process of twin blades for heavy-duty gas turbines, clamping devices are used to hold the blades before processing to ensure that the blades have extremely high positioning accuracy during processing in order to meet the size and shape requirements of the blades.

[0003] There are still some problems in the use of existing combined fixtures for machining heavy-duty gas turbine twin blades. Due to the complex structure, large size and extremely high precision requirements of twin blades, traditional single fixtures often cannot meet their machining needs. In addition, due to the heavy structure of twin blades, it is not convenient to load and unload them. Therefore, those skilled in the art have provided combined fixtures for machining heavy-duty gas turbine twin blades to solve the problems mentioned in the background art. Summary of the Invention

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides a combined fixture for machining heavy-duty gas turbine twin blades. This solves the problem that traditional single fixtures often cannot meet the machining requirements of twin blades due to their complex structure, large size, and extremely high precision requirements. Furthermore, the heavy structure of twin blades makes loading and unloading difficult.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solution: a combined fixture for machining and clamping heavy-duty gas turbine twin blades, comprising a placement table, a control box, and a translation structure. The control box is located at one side of the front end of the placement table, and the translation structure is located at the lower part of the interior of the placement table. The rear end of the translation structure passes through the rear end face of the placement table and extends into the interior of the placement table. A first base is fixedly connected to the upper end face of the translation structure at the rear end of the placement table. A first slider is provided on both sides inside the first base, and a first angle adjustment structure is provided on the upper end face of both first sliders.

[0008] The first angle adjustment structure includes a first mounting plate, a connecting rod fixedly connected to the center of the inner side wall of the first mounting plate, a first ball fixedly connected to the end of the connecting rod, a second mounting plate rotatably connected to the outer side of the first ball, and a second ball rotatably connected to four opposite corners of one side wall of the first mounting plate near the second mounting plate. An electric telescopic rod is fixedly connected to one end face of each of the four second balls, and a third ball is fixedly connected to the output end of each of the four electric telescopic rods. The four third balls are respectively rotatably connected to four opposite corners of one side wall of the second mounting plate.

[0009] Each of the two second mounting plates has a connecting seat fixedly connected to an adjacent side wall. Each of the two connecting seats has a first servo motor fixedly connected to the center of an adjacent side wall. Each of the two first servo motors has a first reducer fixedly connected to its output end. Each of the two first reducers has a base plate fixedly connected to its output end. Each of the two base plates has four sliding grooves arranged in a rectangle on an adjacent side wall. Each of the eight sliding grooves has a clamping structure inside.

[0010] Preferably, the translation structure includes a second base, a second reducer fixedly connected to the center of the front end face of the second base, a second servo motor fixedly connected to the front end face of the second reducer, the output end of the second servo motor being connected to the input end of the second reducer, the output end of the second reducer penetrating through the front end face of the second base and extending into the interior of the second base, and a second lead screw fixedly connected to its end, a second slider threaded onto the outer wall of the second lead screw, a mounting base fixedly connected to the upper end face of the second slider, a third servo motor fixedly connected to the center of the upper end face of the mounting base, a third reducer fixedly connected to the output end of the third servo motor, and the output end of the third reducer fixedly connected to the lower end face of the first base.

[0011] Preferably, the eight clamping structures are arranged symmetrically about the translation structure as an axis.

[0012] Preferably, the first base has a drive structure inside, which includes two third lead screws arranged one after the other inside the first base. Both third lead screws pass through the first slider on one side and extend to the other end of the first slider, and their ends are rotatably connected to the inner wall of the first base. The other ends of the two third lead screws are fixedly connected to a fourth lead screw. The other ends of the two fourth lead screws pass through the first slider on the other side and the inner wall of the first base to one side of the first base, and their ends are fixedly connected to a synchronous pulley. A synchronous belt is sleeved on the outside of the two synchronous pulleys. A fourth reducer is fixedly connected to the rear end of the synchronous pulley. A fourth servo motor is fixedly connected to the input end of the fourth reducer. A frame is fixedly connected to the side wall of the first base outside the fourth servo motor. The fourth servo motor is fixedly connected to the inner wall of the frame.

[0013] Preferably, the outer wall threads of the two third lead screws are opposite to the outer threads of the two fourth lead screws.

[0014] Preferably, the clamping structure includes a fifth servo motor, which is located inside the slide groove at one end. A fifth lead screw is fixedly connected to the output end of the fifth servo motor. A fifth slider is threaded onto the outer wall of the fifth lead screw. A fifth base is fixedly connected to the center of one side wall of the fifth slider. A sixth servo motor is fixedly connected to the center of the upper surface of the fifth base. A sixth reducer is fixedly connected to the upper surface of the sixth servo motor. The output end of the sixth reducer is connected to the input end of the sixth servo motor. The output end of the sixth servo motor passes through the upper surface of the fifth base and extends into the interior of the fifth base, with a sixth lead screw fixedly connected to its end. A sixth slider is threaded onto the outer wall of the sixth lead screw. A seventh servo motor is fixedly connected to the center of one side wall of the sixth slider. A seventh reducer is fixedly connected to the output end of the seventh servo motor. A second angle adjustment structure is fixedly connected to the output end of the seventh reducer. The second angle adjustment structure has the same configuration as the first angle adjustment structure.

[0015] Preferably, the other end of the second angle adjustment structure is fixedly connected to a sixth base, the upper surface of the sixth base is fixedly connected to an eighth reducer, the upper surface of the eighth reducer is fixedly connected to an eighth servo motor, the output end of the eighth servo motor is connected to the input end of the eighth reducer, the output end of the eighth reducer passes through the upper surface of the sixth base and extends into the interior of the sixth base, and a seventh lead screw is fixedly connected to its end, the lower end of the seventh lead screw is fixedly connected to an eighth lead screw, and a clamping plate is threaded on both the seventh lead screw and the outer wall of the sixth reducer, the threads on the outer wall of the seventh lead screw and the outer threads on the clamping plate are opposite.

[0016] Preferably, an extension seat is fixedly connected to the center of the lower end face of the two first mounting plates, and slots are provided on the upper end face of the two first sliders located at the lower end of the two extension seats. A hydraulic cylinder is fixedly connected to the center of the lower inner wall of each of the two slots. The two extension seats are slidably connected inside the two slots respectively, and the output ends of the two hydraulic cylinders are fixedly connected to the lower end face of the two extension seats respectively.

[0017] (III) Beneficial Effects

[0018] This invention provides a combined fixture for clamping and machining twin blades of heavy-duty gas turbines. It offers the following advantages:

[0019] 1. In this invention, the overall angle and the angle of the clamping structure are adjusted by the cooperation of the first angle adjustment structure and the second adjustment structure, and the position of the clamping structure is adjusted to facilitate clamping according to the irregular structure of the double blades and improve the stability of clamping.

[0020] 2. In this invention, the cooperation between the translation structure and the hydraulic cylinder facilitates the clamping of the double blades from the table, making it easy to load and unload materials before and after processing. Attached Figure Description

[0021] Figure 1 This is a perspective view of the present invention;

[0022] Figure 2 This is a three-dimensional sectional view of the present invention;

[0023] Figure 3 This is a rear sectional view of the present invention;

[0024] Figure 4 for Figure 1 Enlarged view of point A in the middle;

[0025] Figure 5 for Figure 1 Enlarged view of point B in the middle;

[0026] Figure 6 This is a front sectional view of the clamping structure of the present invention.

[0027] The components include: 1. Placement table; 2. Control box; 3. Translation structure; 301. Second base; 302. Second reducer; 303. Second servo motor; 304. Second lead screw; 305. Second slider; 306. Mounting base; 307. Third servo motor; 308. Third reducer; 4. First base; 5. Drive structure; 501. Third lead screw; 502. Fourth lead screw; 503. Frame; 504. Fourth servo motor; 505. Fourth reducer; 506. Synchronous pulley; 507. Synchronous belt; 6. First slider; 7. First angle adjustment structure; 701. First mounting plate; 702. Connecting rod; 703. First sphere; 704. Second mounting plate; 705. Second sphere; 706. Electric telescopic rod; 707. 1. Third sphere; 8. Connecting seat; 9. Base plate; 10. Slide groove; 11. Clamping structure; 1101. Fifth servo motor; 1102. Fifth lead screw; 1103. Fifth slider; 1104. Fifth base; 1105. Sixth servo motor; 1106. Sixth reducer; 1107. Sixth lead screw; 1108. Sixth slider; 1109. Second angle adjustment structure; 1110. Seventh servo motor; 1111. Seventh reducer; 1112. Sixth base; 1113. Eighth reducer; 1114. Eighth servo motor; 1115. Seventh lead screw; 1116. Eighth lead screw; 1117. Clamping plate; 12. First servo motor; 13. First reducer; 14. Slot; 15. Extension seat; 16. Hydraulic cylinder. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Example 1:

[0030] like Figure 1-6 As shown, this embodiment of the invention provides a combined fixture for machining twin blades of heavy-duty gas turbines, including a placement table 1, a control box 2, and a translation structure 3. The control box 2 is located at the front end of the placement table 1 on one side, and the translation structure 3 is located inside the placement table 1 at the lower part. The rear end of the translation structure 3 passes through the rear end face of the placement table 1 and extends into the interior of the placement table 1. A first base 4 is fixedly connected to the upper end face of the translation structure 3 at the rear end of the placement table 1. A first slider 6 is provided on both sides inside the first base 4, and a first angle adjustment structure 7 is provided on the upper end face of both first sliders 6.

[0031] The first angle adjustment structure 7 includes a first mounting plate 701. A connecting rod 702 is fixedly connected to the center of the inner side wall of the first mounting plate 701. A first ball 703 is fixedly connected to the end of the connecting rod 702. A second mounting plate 704 is rotatably connected to the outer side of the first ball 703. A second ball 705 is rotatably connected to each of the four diagonal corners of the side wall of the first mounting plate 701 near the second mounting plate 704. An electric telescopic rod 706 is fixedly connected to one end face of each of the four second balls 705. A first angle adjustment rod 706 is fixedly connected to the output end of each of the four electric telescopic rods 706. Three spheres 707 and four third spheres 707 are rotatably connected to the four opposite corners of one side wall of the second mounting plate 704. According to the shape of the double blades, the eight electric telescopic rods 706 are controlled to extend and retract, so that the two second mounting plates 704 rotate along the first sphere 703, thereby causing the two second mounting plates 704 to deflect, so that the eight clamping structures 11 can better adapt to the irregular shape of the double blades. Similarly, according to the protruding part of the double blades, the second angle adjustment structure 1109 is activated, so that the clamping plate 1117 can better adapt to the shape of the double blades.

[0032] Each of the two second mounting plates 704 has a connecting seat 8 fixedly connected to an adjacent side wall. Each of the two connecting seats 8 has a first servo motor 12 fixedly connected to the center of an adjacent side wall. Each of the two first servo motors 12 has a first reducer 13 fixedly connected to its output end. Each of the two first reducers 13 has a base plate 9 fixedly connected to its output end. Each of the two base plates 9 has four sliding grooves 10 arranged in a rectangular shape on an adjacent side wall. Each of the eight sliding grooves 10 has a clamping structure 11 inside it.

[0033] like Figure 1 ,2 As shown in Figure 3, the translation structure 3 includes a second base 301. A second reducer 302 is fixedly connected to the center of the front end face of the second base 301. A second servo motor 303 is fixedly connected to the front end face of the second reducer 302. The output end of the second servo motor 303 is connected to the input end of the second reducer 302. The output end of the second reducer 302 passes through the front end face of the second base 301 and extends into the interior of the second base 301. A second lead screw 304 is fixedly connected to the end of the second lead screw 304. A second slider 305 is threaded onto the outer wall of the second lead screw 304. A mounting base 306 is fixedly connected to the upper end face of the second slider 305. A third servo motor 307 is fixedly connected to the center of the upper end face of the mounting base 306. A third reducer 308 is fixedly connected to the output end of the third servo motor 307. The output end of the third reducer 308 is fixedly connected to the lower end face of the first base 4.

[0034] The eight clamping structures 11 are symmetrically arranged with the translation structure 3 as the axis.

[0035] like Figure 1 , 3 As shown in Figure 4, a drive structure 5 is provided inside the first base 4. The drive structure 5 includes two third lead screws 501, which are arranged one after the other inside the first base 4 near one side. Both third lead screws 501 pass through the first slider 6 on one side and extend to the other end of the first slider 6. The ends of both third lead screws 501 are rotatably connected to the inner wall of the first base 4. The other ends of both third lead screws 501 are fixedly connected to fourth lead screws 502. The other ends of both fourth lead screws 502 pass through the first slider 6 on the other side and the inner wall of the first base 4 in sequence and extend to one side of the first base 4. The ends of both fourth lead screws 502 are fixedly connected to synchronous pulleys 506. Synchronous belts 507 are sleeved on the outside of the two synchronous pulleys 506. A fourth reducer 505 is fixedly connected to the end of the synchronous pulley 506 at the rear. A fourth servo motor 504 is fixedly connected to the input end of the fourth reducer 505. A frame 503 is fixedly connected to the side wall of the first base 4 outside the fourth servo motor 504. The fourth servo motor 504 is fixedly connected to the inner wall of the frame 503.

[0036] The outer wall threads of the two third lead screws 501 are opposite to the outer wall threads of the two fourth lead screws 502.

[0037] like Figure 1 , 2As shown in Figures 3, 5, and 6, the clamping structure 11 includes a fifth servo motor 1101. The fifth servo motor 1101 is located inside the slide groove 10 near one end. A fifth lead screw 1102 is fixedly connected to the output end of the fifth servo motor 1101. A fifth slider 1103 is threaded onto the outer wall of the fifth lead screw 1102. A fifth base 1104 is fixedly connected to the center of one side wall of the fifth slider 1103. A sixth servo motor 1105 is fixedly connected to the center of the upper surface of the fifth base 1104. A sixth reducer 1106 is fixedly connected to the upper end face of 105. The output end of the sixth reducer 1106 is connected to the input end of the sixth servo motor 1105. The output end of the sixth servo motor 1105 passes through the upper end face of the fifth base 1104 and extends into the interior of the fifth base 1104. A sixth lead screw 1107 is fixedly connected to the end of the sixth lead screw 1107. A sixth slider 1108 is threaded onto the outer wall of the sixth lead screw 1107. A seventh servo motor 1110 is fixedly connected to the center of one side wall of the sixth slider 1108. A seventh reducer 1111 is fixedly connected to the output end of 110. A second angle adjustment structure 1109 is fixedly connected to the output end of the seventh reducer 1111. The second angle adjustment structure 1109 has the same configuration as the first angle adjustment structure 7. Then, the fifth servo motor 1101 is started, which drives the fifth lead screw 1102 to rotate, causing the fifth slider 1103 to slide along the slide groove 10, thereby driving the fifth base 1104 to move. Then, the fifth base 1104 and the sixth servo motor 1105 are started, which drives the sixth reducer 1106 to start. The sixth reducer 1106 drives the sixth lead screw 1107 to rotate, thereby driving the sixth slider 1108 to move up and down, thereby adjusting the position of the second angle adjustment structure 1109. Then, the seventh servo motor 1110 is started, which drives the seventh reducer 1111 to rotate. The seventh reducer 1111 drives the second angle adjustment structure 1109 to rotate, which is convenient for adapting to the irregular structure of the double blade.

[0038] The second angle adjustment structure 1109 is fixedly connected to a sixth base 1112 at one end. An eighth reducer 1113 is fixedly connected to the upper surface of the sixth base 1112. An eighth servo motor 1114 is fixedly connected to the upper surface of the eighth reducer 1113. The output end of the eighth servo motor 1114 is connected to the input end of the eighth reducer 1113. The output end of the eighth reducer 1113 passes through the upper surface of the sixth base 1112 and extends into the interior of the sixth base 1112. A seventh lead screw 1115 is fixedly connected to the end of the seventh lead screw 1115. An eighth lead screw 1116 is fixedly connected to the lower end of the seventh lead screw 1115. Both the seventh lead screw 1115 and the outer wall of the sixth reducer 1106 are threaded. A clamping plate 1117 is fitted on the blade. The outer thread of the seventh lead screw 1115 is opposite to the outer thread of the clamping plate 1117. Then, the eighth servo motor 1114 is started, which drives the eighth reducer 1113 to start. The eighth reducer 1113 drives the seventh lead screw 1115 and the eighth lead screw 1116 to rotate. Since the outer threads of the seventh lead screw 1115 and the eighth lead screw 1116 are opposite, the two clamping plates 1117 move synchronously along the sixth base 1112 to the connection position of the seventh lead screw 1115 and the eighth lead screw 1116, thereby clamping the protruding part of the double blade, which is convenient for clamping according to the irregular shape of the double blade.

[0039] An extension seat 15 is fixedly connected to the center of the lower end face of the two first mounting plates 701. A slot 14 is provided on the upper end face of the two first sliders 6 located at the lower end of the two extension seats 15. A hydraulic cylinder 16 is fixedly connected to the center of the lower inner wall of the two slots 14. The two extension seats 15 are slidably connected to the inside of the two slots 14 respectively. The output ends of the two hydraulic cylinders 16 are fixedly connected to the lower end face of the two extension seats 15 respectively.

[0040] Example 2:

[0041] The difference between this embodiment and Embodiment 1 is that the combined fixture for machining and clamping heavy-duty gas turbine twin blades includes a placement table 1, a control box 2, and a translation structure 3. The control box 2 is located at the front end of the placement table 1 on one side, and the translation structure 3 is located inside the placement table 1 at the lower part. The rear end of the translation structure 3 passes through the rear end face of the placement table 1 and extends into the interior of the placement table 1. A first base 4 is fixedly connected to the upper end face of the translation structure 3 at the rear end of the placement table 1. A first slider 6 is provided on both sides inside the first base 4, and a first angle adjustment structure 7 is provided on the upper end face of both first sliders 6.

[0042] The first angle adjustment structure 7 includes a first mounting plate 701. A connecting rod 702 is fixedly connected to the center of the inner side wall of the first mounting plate 701. A first ball 703 is fixedly connected to the end of the connecting rod 702. A second mounting plate 704 is rotatably connected to the outer side of the first ball 703. A second ball 705 is rotatably connected to each of the four diagonal corners of the side wall of the first mounting plate 701 near the second mounting plate 704. An electric telescopic rod 706 is fixedly connected to one end face of each of the four second balls 705. A first angle adjustment rod 706 is fixedly connected to the output end of each of the four electric telescopic rods 706. Three spheres 707 and four third spheres 707 are rotatably connected to the four opposite corners of one side wall of the second mounting plate 704. According to the shape of the double blades, the eight electric telescopic rods 706 are controlled to extend and retract, so that the two second mounting plates 704 rotate along the first sphere 703, thereby causing the two second mounting plates 704 to deflect, so that the eight clamping structures 11 can better adapt to the irregular shape of the double blades. Similarly, according to the protruding part of the double blades, the second angle adjustment structure 1109 is activated, so that the clamping plate 1117 can better adapt to the shape of the double blades.

[0043] Each of the two second mounting plates 704 has a connecting seat 8 fixedly connected to an adjacent side wall. Each of the two connecting seats 8 has a first servo motor 12 fixedly connected to the center of an adjacent side wall. Each of the two first servo motors 12 has a first reducer 13 fixedly connected to its output end. Each of the two first reducers 13 has a base plate 9 fixedly connected to its output end. Each of the two base plates 9 has four sliding grooves 10 arranged in a rectangle on an adjacent side wall. Each of the eight sliding grooves 10 has a clamping structure 11 inside, which controls the start of the first servo motor 12. The first servo motor 12 drives the first reducer 13 to start, which facilitates the rotation of the base plate 9 and allows for adjustment of the angle of the double blades according to the actual processing conditions.

[0044] like Figure 1 , 2As shown in Figure 3, the translation structure 3 includes a second base 301. A second reducer 302 is fixedly connected to the center of the front end face of the second base 301. A second servo motor 303 is fixedly connected to the front end face of the second reducer 302. The output end of the second servo motor 303 is connected to the input end of the second reducer 302. The output end of the second reducer 302 passes through the front end face of the second base 301 and extends into the interior of the second base 301. A second lead screw 304 is fixedly connected to the end of the second lead screw 304. A second slider 305 is threaded onto the outer wall of the second lead screw 304. A mounting base 306 is fixedly connected to the upper surface of block 305. A third servo motor 307 is fixedly connected to the center of the upper surface of the mounting base 306. A third reducer 308 is fixedly connected to the output end of the third servo motor 307. The output end of the third reducer 308 is fixedly connected to the lower surface of the first base 4, controlling the second servo motor 303 to start. The second servo motor 303 drives the second reducer 302 to start. The second reducer 302 drives the second lead screw 304 to rotate, thereby causing the second slider 305 to move towards the front end along the second base 301.

[0045] The eight clamping structures 11 are symmetrically arranged around the translation structure 3, which facilitates the simultaneous clamping of the double blades on both sides.

[0046] like Figure 1 , 3 As shown in Figure 4, a drive structure 5 is provided inside the first base 4. The drive structure 5 includes two third lead screws 501, which are arranged one after the other inside the first base 4 near one side. Both third lead screws 501 pass through the first slider 6 on one side and extend to the other end of the first slider 6. The ends of both third lead screws 501 are rotatably connected to the inner wall of the first base 4. The other ends of both third lead screws 501 are fixedly connected to fourth lead screws 502. The other ends of both fourth lead screws 502 pass through the first slider 6 on the other side and the inner wall of the first base 4 in sequence and extend to one side of the first base 4. The ends of both fourth lead screws 502 are fixedly connected to synchronous pulleys 506. Synchronous belts 507 are sleeved on the outside of the two synchronous pulleys 506. A fourth reducer 505 is fixedly connected to the end of the synchronous pulley 506 at the rear. A fourth servo motor 504 is fixedly connected to the input end of the fourth reducer 505. A frame 503 is fixedly connected to the side wall of the first base 4 outside the fourth servo motor 504. The fourth servo motor 504 is fixedly connected to the inner wall of the frame 503.

[0047] The outer threads of the two third lead screws 501 are opposite to those of the two fourth lead screws 502. The fourth servo motor 504 is started, which in turn drives the fourth reducer 505. The fourth reducer 505 drives the rear synchronous pulley 506 to rotate, which in turn drives the front synchronous pulley 506 to rotate via the synchronous belt 507. This causes the two fourth lead screws 502 to rotate synchronously, and the two fourth lead screws 502 to rotate synchronously. Since the outer threads of the third lead screws 501 and the fourth lead screws 502 are opposite, the two first sliders 6 move synchronously towards the center position along the first base 4.

[0048] like Figure 1 , 2 As shown in Figures 3, 5, and 6, the clamping structure 11 includes a fifth servo motor 1101. The fifth servo motor 1101 is located inside the slide groove 10 near one end. A fifth lead screw 1102 is fixedly connected to the output end of the fifth servo motor 1101. A fifth slider 1103 is threaded onto the outer wall of the fifth lead screw 1102. A fifth base 1104 is fixedly connected to the center of one side wall of the fifth slider 1103. A sixth servo motor 1105 is fixedly connected to the center of the upper surface of the fifth base 1104. A sixth reducer 1106 is fixedly connected to the upper end face of 105. The output end of the sixth reducer 1106 is connected to the input end of the sixth servo motor 1105. The output end of the sixth servo motor 1105 passes through the upper end face of the fifth base 1104 and extends into the interior of the fifth base 1104. A sixth lead screw 1107 is fixedly connected to the end of the sixth lead screw 1107. A sixth slider 1108 is threaded onto the outer wall of the sixth lead screw 1107. A seventh servo motor 1110 is fixedly connected to the center of one side wall of the sixth slider 1108. A seventh reducer 1111 is fixedly connected to the output end of 110. A second angle adjustment structure 1109 is fixedly connected to the output end of the seventh reducer 1111. The second angle adjustment structure 1109 has the same configuration as the first angle adjustment structure 7. Then, the fifth servo motor 1101 is started, which drives the fifth lead screw 1102 to rotate, causing the fifth slider 1103 to slide along the slide groove 10, thereby driving the fifth base 1104 to move. Then, the fifth base 1104 and the sixth servo motor 1105 are started, which drives the sixth reducer 1106 to start. The sixth reducer 1106 drives the sixth lead screw 1107 to rotate, thereby driving the sixth slider 1108 to move up and down, thereby adjusting the position of the second angle adjustment structure 1109. Then, the seventh servo motor 1110 is started, which drives the seventh reducer 1111 to rotate. The seventh reducer 1111 drives the second angle adjustment structure 1109 to rotate, which is convenient for adapting to the irregular structure of the double blade.

[0049] The second angle adjustment structure 1109 is fixedly connected to a sixth base 1112 at one end. An eighth reducer 1113 is fixedly connected to the upper surface of the sixth base 1112. An eighth servo motor 1114 is fixedly connected to the upper surface of the eighth reducer 1113. The output end of the eighth servo motor 1114 is connected to the input end of the eighth reducer 1113. The output end of the eighth reducer 1113 passes through the upper surface of the sixth base 1112 and extends into the interior of the sixth base 1112. A seventh lead screw 1115 is fixedly connected to the end of the seventh lead screw 1115. An eighth lead screw 1116 is fixedly connected to the lower end of the seventh lead screw 1115. Both the seventh lead screw 1115 and the outer wall of the sixth reducer 1106 are threaded. A clamping plate 1117 is fitted on the blade. The outer thread of the seventh lead screw 1115 is opposite to the outer thread of the clamping plate 1117. Then, the eighth servo motor 1114 is started, which drives the eighth reducer 1113 to start. The eighth reducer 1113 drives the seventh lead screw 1115 and the eighth lead screw 1116 to rotate. Since the outer threads of the seventh lead screw 1115 and the eighth lead screw 1116 are opposite, the two clamping plates 1117 move synchronously along the sixth base 1112 to the connection position of the seventh lead screw 1115 and the eighth lead screw 1116, thereby clamping the protruding part of the double blade, which is convenient for clamping according to the irregular shape of the double blade.

[0050] An extension seat 15 is fixedly connected to the center of the lower end face of the two first mounting plates 701. Slots 14 are provided on the upper end face of the two first sliders 6 located at the lower end of the two extension seats 15. A hydraulic cylinder 16 is fixedly connected to the center of the lower inner wall of each of the two slots 14. The two extension seats 15 are slidably connected to the inside of the two slots 14 respectively. The output ends of the two hydraulic cylinders 16 are fixedly connected to the lower end face of the two extension seats 15 respectively. Then, the two hydraulic cylinders 16 are controlled to extend, and the two hydraulic cylinders 16 push the two extension seats 15 to move upward along the two slots 14, thereby lifting the double blades.

[0051] Working principle: In use, first use a crane or lifting equipment to place the double blades on the placement table 1, control the second servo motor 303 to start, the second servo motor 303 drives the second reducer 302 to start, the second reducer 302 drives the second lead screw 304 to rotate, thereby causing the second slider 305 to move towards the front end along the second base 301. Control the fourth servo motor 504 to start, the fourth servo motor 504 drives the fourth reducer 505 to start, the fourth reducer 505 drives the rear synchronous pulley 506 to rotate, and through the synchronous belt 507 drives the front synchronous pulley 506 to rotate, thereby driving the two fourth lead screws 502 to rotate synchronously. The two fourth lead screws 502 then drive the two third lead screws 501 to rotate synchronously. Since the outer threads of the third lead screws 501 and the fourth lead screws 502 are set opposite, the two first sliders 6 move synchronously towards the center position along the first base 4.

[0052] Based on the shape of the double blades, the eight electric telescopic rods 706 are extended and retracted, causing the two second mounting plates 704 to rotate along the first sphere 703, thereby causing the two second mounting plates 704 to deflect, making the eight clamping structures 11 more adaptable to the irregular shape of the double blades. Similarly, based on the protruding part of the double blades, the second angle adjustment structure 1109 is activated, making the clamping plate 1117 more adaptable to the shape of the double blades.

[0053] Then, the fifth servo motor 1101 is started, which drives the fifth lead screw 1102 to rotate, causing the fifth slider 1103 to slide along the slide groove 10, thereby moving the fifth base 1104. Then, the fifth base 1104 and the sixth servo motor 1105 are started, which drives the sixth reducer 1106 to start. The sixth reducer 1106 drives the sixth lead screw 1107 to rotate, thereby moving the sixth slider 1108 up and down, thereby adjusting the position of the second angle adjustment structure 1109. Then, the seventh servo motor 1110 is started, which drives the seventh reducer 1111 to rotate. The seventh reducer 1111 drives the second angle adjustment structure 1109 to rotate, which is convenient for adapting to the irregular structure of the double blades.

[0054] Then, the eighth servo motor 1114 is started, which drives the eighth reducer 1113 to start. The eighth reducer 1113 drives the seventh lead screw 1115 and the eighth lead screw 1116 to rotate. Since the outer threads of the seventh lead screw 1115 and the eighth lead screw 1116 are set oppositely, the two clamping plates 1117 move synchronously along the sixth base 1112 to the connection position of the seventh lead screw 1115 and the eighth lead screw 1116, thereby clamping the protruding part of the double blade, which is convenient for clamping according to the irregular shape of the double blade.

[0055] Then, control the two hydraulic cylinders 16 to extend, and the two hydraulic cylinders 16 push the two extension seats 15 to move upward along the two slots 14, lifting the double blades. Then, control the second servo motor 303 to start in reverse, and the second servo motor 303 drives the second reducer 302 to start in reverse, moving the second slider 305 along the second base 301 to the rear end for processing. During processing, control the third servo motor 307 to start, and the third servo motor 307 drives the third reducer 308 to rotate, thereby driving the first base 4 to rotate, so as to adjust the position of the double blades according to the actual processing situation. Then, control the first servo motor 12 to start, and the first servo motor 12 drives the first reducer 13 to start, so as to drive the base plate 9 to rotate, so as to adjust the angle of the double blades according to the actual processing situation.

[0056] After processing, the second servo motor 303 is started in the forward direction to move the processed double blades back to the top of the placement table 1. The two first sliders 6 are then retracted to place the double blades on the placement table 1. The eight eighth servo motors 1114 are started in the reverse direction to release the sixteen clamps 1117 from the double blades. The fourth servo motor 504 is then started in the reverse direction to move the two first sliders 6 along the first base 4 to both sides, placing the processed double blades on the placement table 1 for unloading.

[0057] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A combined fixture for clamping and machining twin blades of a heavy-duty gas turbine, comprising a placement table (1), a control box (2), and a translation structure (3), wherein the control box (2) is located at one side of the front end of the placement table (1), and the translation structure (3) is located at the lower part of the interior of the placement table (1), characterized in that: The rear end of the translation structure (3) passes through the rear end face of the placement table (1) and extends into the interior of the placement table (1). A first base (4) is fixedly connected to the upper end face of the translation structure (3) at the rear end of the placement table (1). A first slider (6) is provided on both sides inside the first base (4). A first angle adjustment structure (7) is provided on the upper end face of both first sliders (6). The first angle adjustment structure (7) includes a first mounting plate (701), a connecting rod (702) is fixedly connected to the center of the inner side wall of the first mounting plate (701), a first ball (703) is fixedly connected to the end of the connecting rod (702), a second mounting plate (704) is rotatably connected to the outer side of the first ball (703), a second ball (705) is rotatably connected to the four opposite corners of the side wall of the first mounting plate (701) near the second mounting plate (704), an electric telescopic rod (706) is fixedly connected to one end face of each of the four second balls (705), a third ball (707) is fixedly connected to the output end of each of the four electric telescopic rods (706), and the four third balls (707) are rotatably connected to the four opposite corners of the side wall of the second mounting plate (704); Each of the two second mounting plates (704) has a connecting seat (8) fixedly connected to an adjacent side wall. Each of the two connecting seats (8) has a first servo motor (12) fixedly connected to the center of an adjacent side wall. Each of the two first servo motors (12) has a first reducer (13) fixedly connected to its output end. Each of the two first reducers (13) has a base plate (9) fixedly connected to its output end. Each of the two base plates (9) has four sliding grooves (10) arranged in a rectangular shape on an adjacent side wall. Each of the eight sliding grooves (10) has a clamping structure (11) inside. The clamping structure (11) includes a fifth servo motor (1101), which is located inside the slide groove (10) at one end. The output end of the fifth servo motor (1101) is fixedly connected to a fifth lead screw (1102). A fifth slider (1103) is threaded onto the outer wall of the fifth lead screw (1102). A fifth base (1104) is fixedly connected to the center of one side wall of the fifth slider (1103). A sixth servo motor (1105) is fixedly connected to the center of the upper surface of the fifth base (1104). A sixth reducer (1106) is fixedly connected to the upper surface of the sixth servo motor (1105). The output end of the sixth reducer (1106) is connected to the sixth servo motor (1105). 105) The input ends are connected. The output end of the sixth servo motor (1105) passes through the upper surface of the fifth base (1104) and extends into the interior of the fifth base (1104). The end is fixedly connected to the sixth lead screw (1107). The outer wall of the sixth lead screw (1107) is threaded with the sixth slider (1108). The center of one side wall of the sixth slider (1108) is fixedly connected to the seventh servo motor (1110). The output end of the seventh servo motor (1110) is fixedly connected to the seventh reducer (1111). The output end of the seventh reducer (1111) is fixedly connected to the second angle adjustment structure (1109). The second angle adjustment structure (1109) is the same as the first angle adjustment structure (7). The second angle adjustment structure (1109) is fixedly connected to a sixth base (1112) at the other end. An eighth reducer (1113) is fixedly connected to the upper surface of the sixth base (1112). An eighth servo motor (1114) is fixedly connected to the upper surface of the eighth reducer (1113). The output end of the eighth servo motor (1114) is connected to the input end of the eighth reducer (1113). The output end of the eighth reducer (1113) passes through the upper surface of the sixth base (1112) and extends into the interior of the sixth base (1112). A seventh lead screw (1115) is fixedly connected to the end of the seventh lead screw (1115). An eighth lead screw (1116) is fixedly connected to the lower end of the seventh lead screw (1115). A clamping plate (1117) is threaded on the outer wall of both the seventh lead screw (1115) and the sixth reducer (1106). The threads on the outer wall of the seventh lead screw (1115) and the threads on the outer wall of the clamping plate (1117) are opposite.

2. The combined fixture for machining twin blades of heavy-duty gas turbines according to claim 1, characterized in that: The translation structure (3) includes a second base (301), a second reducer (302) is fixedly connected to the center of the front end face of the second base (301), a second servo motor (303) is fixedly connected to the front end face of the second reducer (302), the output end of the second servo motor (303) is connected to the input end of the second reducer (302), the output end of the second reducer (302) passes through the front end face of the second base (301) and extends into the interior of the second base (301), and a second lead screw (304) is fixedly connected to the end of the second lead screw (304), a second slider (305) is threaded on the outer wall of the second lead screw (304), a mounting base (306) is fixedly connected to the upper end face of the second slider (305), a third servo motor (307) is fixedly connected to the center of the upper end face of the mounting base (306), a third reducer (308) is fixedly connected to the output end of the third servo motor (307), and the output end of the third reducer (308) is fixedly connected to the lower end face of the first base (4).

3. The combined fixture for machining twin blades of heavy-duty gas turbines according to claim 1, characterized in that: The eight clamping structures (11) are arranged symmetrically about the translation structure (3) as an axis.

4. The combined fixture for machining twin blades of heavy-duty gas turbines according to claim 1, characterized in that: The first base (4) is provided with a driving structure (5), which includes two third lead screws (501). The two third lead screws (501) are arranged one after the other inside the first base (4) on one side. Both third lead screws (501) pass through the first slider (6) on one side and extend to the other end of the first slider (6). The ends of both third lead screws (501) are rotatably connected to the inner wall of the first base (4). The other ends of both third lead screws (501) are fixedly connected to fourth lead screws (502). The other ends of both fourth lead screws (502) pass through the first slider (6) on the other side in sequence. A synchronous pulley (506) is fixedly connected to one side of the first base (4) through the inner wall of the first base (4). A synchronous belt (507) is sleeved on the outer side of the two synchronous pulleys (506). A fourth reducer (505) is fixedly connected to the rear end of the synchronous pulley (506). A fourth servo motor (504) is fixedly connected to the input end of the fourth reducer (505). A frame (503) is fixedly connected to one side wall of the first base (4) outside the fourth servo motor (504). The fourth servo motor (504) is fixedly connected to the inner wall of the frame (503).

5. The combined fixture for machining twin blades of heavy-duty gas turbines according to claim 4, characterized in that: The outer wall threads of the two third lead screws (501) are opposite to the outer threads of the two fourth lead screws (502).

6. The combined fixture for machining twin blades of heavy-duty gas turbines according to claim 1, characterized in that: An extension seat (15) is fixedly connected to the center of the lower end face of the two first mounting plates (701). A slot (14) is provided on the upper end face of the two first sliders (6) located at the lower end of the two extension seats (15). A hydraulic cylinder (16) is fixedly connected to the center of the lower inner wall of the two slots (14). The two extension seats (15) are slidably connected to the inside of the two slots (14). The output ends of the two hydraulic cylinders (16) are fixedly connected to the lower end face of the two extension seats (15).

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