Auxiliary clamping tool for aircraft engine blade machining

Abstract

The utility model relates to the technical field of aircraft engine blades, in particular to an auxiliary clamping tool for aircraft engine blade machining. The device comprises a working table, the surface of the working table is fixedly connected with two supports, the surfaces of the two supports are fixedly connected with first servo motors, the output ends of the first servo motors are fixedly connected with first bidirectional threaded rods, the arc surfaces of the first bidirectional threaded rods are in threaded connection with connecting blocks, and the arc surfaces of the first bidirectional threaded rods are in threaded connection with the connecting blocks. A fixing bin is fixedly connected to one side of the connecting block, a clamping plate is slidably connected to the inner surface of the fixing bin, an inserting rod is slidably inserted into the support, one end of the inserting rod is fixedly connected with the fixing bin, and two moving grooves are formed in the fixing bin. The problem that the machining precision and the machining quality are affected due to the fact that vibration is continuously generated in the machining process when the blade is machined through grinding or cutting by common machining equipment is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft engine blades, in particular to an auxiliary clamping tool for machining aircraft engine blades. Background Art

[0002] Blades are one of the key parts of aircraft engines. They come in many varieties, have complex structures, and are of high precision. Their processing technology is complex and requires a large amount of work. They occupy an important position in aircraft engine manufacturing and are an important component of the turbine section of a gas turbine engine. The high-speed rotating blades are responsible for drawing high-temperature and high-pressure airflow into the burner to maintain the operation of the engine.

[0003] In view of the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: processing equipment usually processes blades by grinding or cutting, which will continuously generate vibrations during the processing, causing the blades being processed to move in position, affecting the processing accuracy and quality; therefore, in order to solve the above-mentioned problems, an auxiliary clamping tool for processing aircraft engine blades is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art that vibrations are constantly generated during blade processing, resulting in positional movement of the blades being processed, affecting the processing accuracy and processing quality, and to propose an auxiliary clamping tool for processing aircraft engine blades.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an auxiliary clamping tool for processing aircraft engine blades, including a workbench, the surface of which is fixedly connected to two brackets, the surfaces of the two brackets are fixedly connected to a first servo motor, the output end of the first servo motor is fixedly connected to a first bidirectional threaded rod, the arc surface of the first bidirectional threaded rod is threadedly connected to a connecting block, one side of the connecting block is fixedly connected to a fixed bin, and the inner surface of the fixed bin is slidably connected to a clamping plate.

[0006] The effect achieved by the above-mentioned components is: it achieves the effect of clamping the blades during processing, avoiding the situation where the workers usually process the blades through grinding or cutting by the processing equipment, which will continuously generate vibrations during the processing, causing the blades in the processing to move and affect the processing accuracy and processing quality, thereby improving the stability of the device.

[0007] Preferably, an insertion rod is slidably inserted in the bracket, and one end of the insertion rod is fixedly connected to the fixed bin.

[0008] The effect achieved by the above components is: preventing the clamping plate from rotating along with the rotation of the first bidirectional threaded rod.

[0009] Preferably, two movable grooves are provided in the fixed warehouse, and the inner surfaces of the two movable grooves are slidably connected with a sliding rod, the clamping plate is rotatably connected to the arc surface of the sliding rod, limiting grooves are provided on both sides of the clamping plate, and limiting holes are provided on both sides of the fixed warehouse, and the inner surfaces of the limiting holes of the fixed warehouse are slidably connected with an insertion rod, and the insertion rod is slidably connected to the inner surface of the limiting groove of the clamping plate, and a plurality of protrusions are fixedly connected to the surface of the clamping plate.

[0010] The effect achieved by the above components is: it is convenient for the staff to adjust the clamping surface of the clamping plate for different processing parts of the blade, thereby improving the practicability of the device.

[0011] Preferably, the arc surface of the insertion rod is sleeved with a spring, and two ends of the spring are respectively fixedly connected to the round block and the side wall of the fixed bin.

[0012] The effect achieved by the above components is: avoiding the situation where the clamping force of the clamping plate is too large and causes damage to the surface of the blade.

[0013] Preferably, the size of the insertion rod is matched with the size of the limiting groove of the clamping plate, and a soft pad is fixedly connected to one side of the clamping plate.

[0014] The effect achieved by the above components is that the elastic force of the spring drives the insertion rod to move and automatically insert into the limiting groove of the clamping plate, thereby improving the convenience of the device.

[0015] Preferably, a movable hole is opened on the surface of the workbench, a mounting plate is fixedly connected to the surface of the workbench, a second servo motor is fixedly connected to the surface of the mounting plate, a second bidirectional threaded rod is fixedly connected to the output end of the second servo motor, a movable block is threadedly connected to the circular arc surface of the second bidirectional threaded rod, and a movable table is fixedly connected to one side of the movable block.

[0016] The effect achieved by the above components is to facilitate the staff to accurately adjust the clamping position of the processed blades.

[0017] Preferably, the size of the moving block is matched with the size of the moving hole of the workbench, and an anti-slip pad is fixedly connected to the surface of the moving table.

[0018] The effects achieved by the above components are: increasing the friction between the blades and the moving platform and improving the stability of the device.

[0019] In summary, the beneficial effects of the utility model are:

[0020] In the utility model, the effect of clamping the blades during the processing is achieved, which avoids the situation that when workers process the blades, the processing equipment usually processes the blades through grinding or cutting, which will continuously generate vibrations during the processing, causing the blades during processing to move in position, affecting the processing accuracy and processing quality, thereby improving the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 It is a schematic diagram of the structure of the bracket in the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the fixed bin in the utility model;

[0024] Figure 4 It is a structural schematic diagram of the mobile station in the utility model.

[0025] Legend: 1. Workbench; 2. Bracket; 3. First servo motor; 4. First bidirectional threaded rod; 5. Connecting block; 6. Fixed compartment; 7. Clamping plate; 8. Soft cushion; 9. Sliding rod; 10. Inserting rod; 11. Round block; 12. Spring; 13. Mounting plate; 14. Second servo motor; 15. Second bidirectional threaded rod; 16. Moving block; 17. Moving table; 18. Anti-slip pad. DETAILED DESCRIPTION

[0026] Reference Figure 1-4As shown, the utility model provides a technical solution: an auxiliary clamping tool for processing aircraft engine blades, including a workbench 1, two brackets 2 are fixedly connected to the surface of the workbench 1, the surfaces of the two brackets 2 are fixedly connected to a first servo motor 3, the output end of the first servo motor 3 is fixedly connected to a first bidirectional threaded rod 4, the arc surface of the first bidirectional threaded rod 4 is threadedly connected to a connecting block 5, one side of the connecting block 5 is fixedly connected to a fixed bin 6, the inner surface of the fixed bin 6 is slidably connected to a clamping plate 7, an insertion rod 10 is slidably inserted in the bracket 2, and one end of the insertion rod 10 is fixedly connected to the fixed bin 6. Start the first servo motor 3, the first servo motor 3 drives the first bidirectional threaded rod 4 to rotate, the first bidirectional threaded rod 4 drives the connecting block 5 to move, the connecting block 5 drives the fixed bin 6 to move, the fixed bin 6 drives the clamping plate 7 to move, and the fixed bin 6 drives the insertion rod 10 to slide in the bracket 2, thereby avoiding the situation where the clamping plate 7 rotates with the rotation of the first bidirectional threaded rod 4. Two moving grooves are provided in the fixed bin 6, and the inner surfaces of the two moving grooves are slidably connected with the sliding rod 9. The clamping plate 7 is rotatably connected with the arc surface of the sliding rod 9. Limiting grooves are provided on both sides of the clamping plate 7, and limiting holes are provided on both sides of the fixed bin 6. The inner surface of the limiting hole of the fixed bin 6 is slidably connected with the insertion rod 10, and the insertion rod 10 is slidably connected to the inner surface of the limiting groove of the clamping plate 7, and the surface of the clamping plate 7 is fixedly connected with a number of protrusions. Pull the round block 11 to drive the plug rod 10 to slide in the limiting hole of the fixed bin 6 until the plug rod 10 is out of the limiting groove of the clamping plate 7, pull the clamping plate 7 to drive the slide bar 9 to slide to the other end on the inner surface of the moving groove of the fixed bin 6, push the clamping plate 7 to rotate 180° on the arc surface of the slide bar 9, push the round block 11 to drive the plug rod 10 to slide in the limiting hole of the fixed bin 6 until the plug rod 10 is inserted into the limiting groove of the clamping plate 7, so that the staff can adjust the clamping surface of the clamping plate 7 for different processing parts of the blade, improve the practicality of the device, the arc surface of the plug rod 10 is sleeved with a spring 12, and the two ends of the spring 12 are fixedly connected to the round block 11 and the side wall of the fixed bin 6 respectively. The fixed bin 6 drives the clamping plate 7 to move, and the clamping plate 7 drives the soft pad 8 to move, so as to avoid the situation where the clamping force of the clamping plate 7 is too large to cause damage to the surface of the blade, and the size of the plug rod 10 is compatible with the size of the limiting groove of the clamping plate 7. A soft pad 8 is fixedly connected to one side of the clamping plate 7. The clamping plate 7 is pushed to squeeze the insertion rod 10, and the insertion rod 10 drives the round block 11 to move. At this time, the first spring 12 is in a stretched state, until the position of the limiting groove of the clamping plate 7 is aligned with the position of the insertion rod 10, the elastic force of the spring 12 drives the insertion rod 10 to move and automatically insert into the limiting groove of the clamping plate 7, which improves the convenience of the device. A moving hole is opened on the surface of the workbench 1, and a mounting plate 13 is fixedly connected to the surface of the workbench 1, and a second servo motor 14 is fixedly connected to the surface of the mounting plate 13, and a second bidirectional threaded rod 15 is fixedly connected to the output end of the second servo motor 14, and a moving block 16 is threadedly connected to the arc surface of the second bidirectional threaded rod 15, and a moving platform 17 is fixedly connected to one side of the moving block 16.The second servo motor 14 is started, and the second servo motor 14 drives the moving block 16, and the moving block 16 drives the moving platform 17 to move, so that the staff can accurately adjust the clamping position of the processed blade. The size of the moving block 16 is adapted to the size of the moving hole of the workbench 1, and the surface of the moving platform 17 is fixedly connected with an anti-skid pad 18. The moving block 16 drives the moving platform 17 to move, and the moving platform 17 drives the anti-skid pad 18 to move, which increases the friction between the blade and the moving platform 17 and improves the stability of the device.

[0027] Working principle: when the staff needs to clamp the blade for processing, by starting the first servo motor 3, the first servo motor 3 drives the first bidirectional threaded rod 4 to rotate, the first bidirectional threaded rod 4 drives the connecting block 5 to move, the connecting block 5 drives the fixed bin 6 to move, the fixed bin 6 drives the clamping plate 7 to move, and the fixed bin 6 drives the insertion rod 10 to slide in the bracket 2, thereby preventing the clamping plate 7 from rotating with the rotation of the first bidirectional threaded rod 4, and pulling the round block 11 drives the insertion rod 10 to slide in the limiting hole of the fixed bin 6 until the insertion rod 10 is out of the limiting groove of the clamping plate 7, and pulling the clamping plate 7 drives the slide bar 9 to slide to the other end on the inner surface of the moving groove of the fixed bin 6, and pushes the clamping plate 7 to rotate 180° on the arc surface of the slide bar 9, and pushes the round block 11 to drive the insertion rod 10 to slide in the limiting hole of the fixed bin 6 until the insertion rod 10 is inserted into the limiting groove of the clamping plate 7, so that the staff can adjust the clamping plate 7 for different processing parts of the blade. The clamping surface of the device improves the practicability of the device. The fixed bin 6 drives the clamping plate 7 to move, and the clamping plate 7 drives the soft pad 8 to move, so as to avoid the situation that the clamping force of the clamping plate 7 is too large to cause damage to the surface of the blade, and the clamping plate 7 is pushed to be squeezed with the insertion rod 10, and the insertion rod 10 drives the round block 11 to move. At this time, the first spring 12 is in a stretched state. Until the position of the limiting groove of the clamping plate 7 is aligned with the position of the insertion rod 10, the elastic force of the spring 12 drives the insertion rod 10 to move and automatically insert into the limiting groove of the clamping plate 7, thereby improving the convenience of the device. The second servo motor 14 is started, and the second servo motor 14 drives the moving block 16, and the moving block 16 drives the moving platform 17 to move, so that the staff can accurately adjust the clamping position of the processed blade, and the moving block 16 drives the moving platform 17 to move, and the moving platform 17 drives the anti-slip pad 18 to move, thereby increasing the friction between the blade and the moving platform 17 and improving the stability of the device.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. An auxiliary clamping tool for machining an aircraft engine blade, comprising a workbench (1), characterized in that: Two brackets (2) are fixedly connected to the surface of the workbench (1), and the surfaces of the two brackets (2) are fixedly connected to a first servo motor (3). The output end of the first servo motor (3) is fixedly connected to a first bidirectional threaded rod (4), and the arc surface of the first bidirectional threaded rod (4) is threadedly connected to a connecting block (5), one side of the connecting block (5) is fixedly connected to a fixing bin (6), and the inner surface of the fixing bin (6) is slidably connected to a clamping plate (7).

2. The auxiliary clamping tool for machining aircraft engine blades according to claim 1, characterized in that: An insertion rod (10) is slidably inserted into the bracket (2), and one end of the insertion rod (10) is fixedly connected to the fixed bin (6).

3. The auxiliary clamping tool for machining aircraft engine blades according to claim 1, characterized in that: Two movable grooves are provided in the fixed bin (6), and the inner surfaces of the two movable grooves are slidably connected with a slide rod (9). The clamping plate (7) is rotatably connected with the arc surface of the slide rod (9). Limiting grooves are provided on both sides of the clamping plate (7), and limiting holes are provided on both sides of the fixed bin (6). The inner surfaces of the limiting holes of the fixed bin (6) are slidably connected with an insertion rod (10). The insertion rod (10) is slidably connected with the inner surface of the limiting groove of the clamping plate (7), and a plurality of protrusions are fixedly connected to the surface of the clamping plate (7).

4. The auxiliary clamping tool for machining aircraft engine blades according to claim 3, characterized in that: The arc surface of the insert rod (10) is sleeved with a spring (12), and the two ends of the spring (12) are respectively fixedly connected to the round block (11) and the side wall of the fixed bin (6).

5. The auxiliary clamping tool for machining aircraft engine blades according to claim 4, characterized in that: The size of the insertion rod (10) is matched to the size of the limiting groove of the clamping plate (7), and a soft pad (8) is fixedly connected to one side of the clamping plate (7).

6. The auxiliary clamping tool for machining aircraft engine blades according to claim 1, characterized in that: A movable hole is provided on the surface of the workbench (1); a mounting plate (13) is fixedly connected to the surface of the workbench (1); a second servo motor (14) is fixedly connected to the surface of the mounting plate (13); a second bidirectional threaded rod (15) is fixedly connected to the output end of the second servo motor (14); a movable block (16) is threadedly connected to the circular arc surface of the second bidirectional threaded rod (15); and a movable table (17) is fixedly connected to one side of the movable block (16).

7. The auxiliary clamping tool for machining aircraft engine blades according to claim 6, characterized in that: The size of the moving block (16) is compatible with the size of the moving hole of the workbench (1), and an anti-slip pad (18) is fixedly connected to the surface of the moving platform (17).

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