Clamp for machining turbine guide blade

Abstract

The utility model discloses a turbine guide vane machining clamp, which relates to the technical field of turbine vane machining and comprises a working table body, supporting legs are fixedly mounted at four corners of the bottom of the working table body, and a rotating component is arranged at the top of the working table body. The rotating assembly comprises two fixing bases fixedly installed at the bottom of the workbench body. The first motor is started, and the output end of the first motor drives the rotating shaft to rotate, so that the worm is driven to rotate, the worm gear meshed with the worm is driven to rotate together, the rotating shaft and the rotating disc are driven to rotate, and the clamping assembly and the turbine blade body are driven to rotate to the needed direction; and four groups of fixing rods fixed at the bottom and the balls are driven to do circular motion together, the balls are driven to roll in the annular groove, so that the turntable is more stable during rotation, workers can conveniently carry out machining by arranging the rotating assembly, the working efficiency of the workers is improved, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of turbine blade processing, in particular to a clamp for processing turbine guide blades. Background Art

[0002] Turbine blades 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. In order to ensure stable and long-term operation under extreme conditions of high temperature and high pressure, turbine blades are often forged from high-temperature alloys and cooled in different ways, such as internal airflow cooling, boundary layer cooling, or thermal barrier coatings to protect the blades, to ensure reliability during operation.

[0003] After the operator fixes the turbine blade, it is necessary to perform some processing procedures such as grinding and polishing and welding on the surface of the turbine blade. After the existing fixture clamps the turbine blade, the worker needs to rotate back and forth around the workbench to process the turbine blade in various directions, which makes the worker's work efficiency low and time-consuming and labor-intensive. For this reason, a fixture for processing turbine guide blades is proposed. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a fixture for machining turbine guide blades to solve the technical problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixture for processing turbine guide blades, comprising a workbench main body, support legs are fixedly installed at the four corners of the bottom of the workbench main body, a rotating assembly is provided on the top of the workbench main body, the rotating assembly comprises two fixed seats fixedly installed on the bottom of the workbench main body, a rotating shaft is horizontally provided between the two fixed seats, one end of the rotating shaft extends through and extends to the other side of a fixed seat and is installed with a first motor, the output end of the first motor is fixedly connected to the rotating shaft through a coupling, a worm is fixedly sleeved on the outer side of the rotating shaft, a worm wheel is meshed on one side of the worm, a rotating shaft is fixedly connected to the upper surface of the worm wheel, the other end of the rotating shaft extends through and extends to the top of the workbench main body and is fixedly connected to a turntable, and a clamping assembly is installed on the upper surface of the turntable.

[0006] As an optimal technical solution for a fixture for processing turbine guide blades of the utility model, fixing rods are fixedly connected to the four sides of the bottom of the turntable, and the bottom end of each group of fixing rods is rotatably connected to a ball, and an annular groove matching the ball is opened on the upper surface of the workbench body.

[0007] As an optimal technical solution for a fixture for processing turbine guide blades of the utility model, the clamping assembly includes a slide groove opened on one side of the upper surface of the turntable, a threaded screw is horizontally arranged in the slide groove, one end of the threaded screw extends through to the outside of the turntable and is installed with a second motor, the output end of the second motor is fixedly connected to the threaded screw through a coupling, a slider is threadedly connected to the outer wall of the threaded screw, an L-shaped movable connecting plate is fixedly connected to the top of the slider, and a movable clamp is fixedly installed on one side of the L-shaped movable connecting plate.

[0008] As an optimal technical solution for a fixture for machining turbine guide blades of the utility model, a threaded hole is provided on the top of the L-shaped movable connecting plate, and a threaded rod is threadedly connected in the threaded hole, and the bottom end of the threaded rod is connected to a first pressure plate through a bearing.

[0009] As a preferred technical solution of a fixture for machining turbine guide blades of the utility model, a turning handle is fixedly mounted on the top end of the threaded rod, and anti-slip grooves are provided on the outer side of the turning handle.

[0010] As an optimal technical solution for a fixture for machining turbine guide blades of the utility model, an L-shaped fixing plate is fixedly connected to the upper surface of the turntable away from the L-shaped movable connecting plate, and a fixed clamp is fixedly installed on the side of the L-shaped fixing plate close to the L-shaped movable connecting plate.

[0011] As an optimal technical solution for a fixture for processing turbine guide blades of the utility model, a through hole is provided at the top of the L-shaped fixing plate, and a fixing sleeve is fixedly installed at the top of the L-shaped fixing plate above the through hole, a pull rod is penetrated at the top of the fixing sleeve, and the bottom end of the pull rod extends through and extends to the bottom of the L-shaped fixing plate and is fixedly installed with a second pressure plate, the outer wall of the pull rod is located in the inner cavity of the fixing sleeve and is fixedly sleeved with a fixing ring, a spring is installed between the upper surface of the fixing ring and the top of the inner cavity of the fixing sleeve, the spring is sleeved on the outer wall of the pull rod, a pull handle is installed on the top of the pull rod, the initial state of the spring is a compressed state, a placement plate is installed at the center of the turntable, and a turbine blade body is provided on the upper surface of the placement plate, and the clamping surface of the movable clamp is set to an arc shape and matches one side of the turbine blade body.

[0012] In summary, the utility model mainly has the following beneficial effects:

[0013] The utility model starts the first motor, and the output end of the first motor drives the rotating shaft to rotate, thereby driving the worm to rotate, and then driving the worm wheel meshing with it to rotate, driving the rotating shaft and the turntable to rotate, thereby driving the clamping assembly and the turbine blade body to rotate to the required orientation. While the turntable rotates, it drives the four groups of fixed rods and the ball bearings fixed at the bottom to perform circular motion, driving the ball bearings to roll in the annular groove, making the turntable more stable when rotating. By arranging the rotating assembly, it is convenient for the staff to perform processing, improves the work efficiency of the staff, and saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the L-shaped fixing plate structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the L-shaped movable connecting plate of the utility model;

[0017] Figure 4 It is an exploded view of the rotating assembly of the utility model.

[0018] In the figure: 100, workbench body; 200, rotating assembly; 300, clamping assembly; 400, turbine blade body;

[0019] 110. Support leg;

[0020] 210, fixed seat; 220, rotating shaft; 230, first motor; 240, worm; 250, worm wheel; 260, rotating shaft; 270, rotating disk; 280, annular groove; 290, fixed rod; 2910, ball bearing;

[0021] 310, slide groove; 320, threaded screw; 330, second motor; 340, slider; 350, L-shaped movable connecting plate; 360, movable clamping block; 370, threaded rod; 380, first pressure plate; 390, turning handle; 3910, L-shaped fixed plate; 3920, fixed clamping block; 3930, fixed sleeve; 3940, pull rod; 3950, fixed ring; 3960, spring; 3970, second pressure plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0023] The following describes an embodiment of the utility model based on its overall structure.

[0024] A fixture for machining turbine guide blades, such as Figure 1-4 As shown, it includes a workbench body 100, support legs 110 are fixedly installed at the four corners of the bottom of the workbench body 100, a rotating assembly 200 is arranged on the top of the workbench body 100, and the rotating assembly 200 includes two fixed seats 210 fixedly installed at the bottom of the workbench body 100, a rotating shaft 220 is arranged horizontally between the two fixed seats 210, one end of the rotating shaft 220 extends through and extends to the other side of one of the fixed seats 210 and is installed with a first motor 230, and the output end of the first motor 230 is fixedly connected to the rotating shaft 220 through a coupling, and the rotating shaft 220 A worm 240 is fixedly sleeved on the outside, a worm wheel 250 is meshed on one side of the worm 240, a rotating shaft 260 is fixedly connected to the upper surface of the worm wheel 250, the other end of the rotating shaft 260 extends through and extends to the top of the workbench body 100 and is fixedly connected to a turntable 270, a clamping assembly 300 is installed on the upper surface of the turntable 270, fixed rods 290 are fixedly connected to the four sides of the bottom of the turntable 270, and a ball 2910 is rotatably connected to the bottom end of each group of fixed rods 290, and an annular groove 280 matching the ball 2910 is opened on the upper surface of the workbench body 100.

[0025] When the staff needs to process the turbine blade body 400 in different directions, the first motor 230 is started through the controller. The output end of the first motor 230 drives the rotating shaft 220 to rotate, thereby driving the worm 240 to rotate, and then driving the worm wheel 250 meshing therewith to rotate together, driving the rotating shaft 260 and the turntable 270 to rotate, thereby driving the clamping assembly 300 and the turbine blade body 400 to rotate to the required direction. While the turntable 270 rotates, it drives the four groups of fixed rods 290 and the ball 2910 fixed at the bottom to make a circular motion together, driving the ball 2910 to roll in the annular groove 280, so that the turntable 270 is more stable when rotating. By setting the rotating assembly 200, it is convenient for the staff to carry out processing, improves the work efficiency of the staff, and saves time and effort.

[0026] Please refer to Figure 1 and Figure 3As shown, the clamping assembly 300 includes a slide groove 310 opened on one side of the upper surface of the turntable 270, a threaded screw 320 is horizontally arranged in the slide groove 310, one end of the threaded screw 320 extends through the outside of the turntable 270 and is installed with a second motor 330, the output end of the second motor 330 is fixedly connected to the threaded screw 320 through a coupling, the outer wall of the threaded screw 320 is threadedly connected to a slider 340, the top of the slider 340 is fixedly connected to an L-shaped movable connecting plate 350, and one side of the L-shaped movable connecting plate 350 is fixedly installed with a movable A movable clamp block 360 and an L-shaped movable connecting plate 350 are provided with a threaded hole on the top, and a threaded rod 370 is threadedly connected to the threaded hole, the bottom end of the threaded rod 370 is connected to the first pressure plate 380 through a bearing, a turning handle 390 is fixedly installed on the top of the threaded rod 370, and anti-slip grooves are provided on the outer side of the turning handle 390, an L-shaped fixed plate 3910 is fixedly connected to the side of the upper surface of the turntable 270 away from the L-shaped movable connecting plate 350, and a fixed clamp block 3920 is fixedly installed on the side of the L-shaped fixed plate 3910 close to the L-shaped movable connecting plate 350.

[0027] After the turbine blade body 400 is pre-fixed, the second motor 330 is started through the controller, and the output end of the second motor 330 drives the threaded screw 320 to rotate, thereby driving the slider 340 threadedly connected thereto to start sliding along the direction of the slide groove 310, driving the L-shaped movable connecting plate 350 and the movable clamp 360 to move, and finally cooperating with the fixed clamp 3920 to complete the clamping and fixing of the turbine blade body 400, and then rotating the handle 390 to drive the threaded rod 370 to move downward, thereby driving the first pressure plate 380 to move downward until one side of the turbine blade body 400 is fixed. The clamping and fixing of the turbine blade body 400 is achieved by setting the clamping assembly 300, which is simple, convenient and fast to operate, and convenient for subsequent processing operations.

[0028] Please refer to Figure 2 As shown, a through hole is opened at the top of the L-shaped fixing plate 3910, and a fixing sleeve 3930 is fixedly installed on the top of the L-shaped fixing plate 3910 above the through hole, a pull rod 3940 is penetrated through the top of the fixing sleeve 3930, and the bottom end of the pull rod 3940 extends to the bottom of the L-shaped fixing plate 3910 and is fixedly installed with a second pressure plate 3970, the outer wall of the pull rod 3940 is located in the inner cavity of the fixing sleeve 3930 and is fixedly sleeved with a fixing ring 3950, a spring 3960 is installed between the upper surface of the fixing ring 3950 and the top of the inner cavity of the fixing sleeve 3930, the spring 3960 is sleeved on the outer wall of the pull rod 3940, a pull handle is installed on the top of the pull rod 3940, and the initial state of the spring 3960 is a compressed state, a placement plate is installed at the center of the turntable 270, and a turbine blade body 400 is provided on the upper surface of the placement plate, and the clamping surface of the movable clamp 360 is set to an arc shape and matches one side of the turbine blade body 400.

[0029] The staff first pulls the handle to drive the pull rod 3940 and the second pressure plate 3970 to move upward. At this time, the spring 3960 is further squeezed by the fixing ring 3950. Then the turbine blade body 400 is placed on the placement plate, the handle is released, and the elastic force of the spring 3960 itself is used to push the fixing ring 3950 and the second pressure plate 3970 to move downward, thereby completing the pre-fixation of the turbine blade body 400.

[0030] During use, when the staff needs to process the turbine blade body 400 in different directions, the first motor 230 is started through the controller, and the output end of the first motor 230 drives the rotating shaft 220 to rotate, thereby driving the worm 240 to rotate, and then driving the worm wheel 250 meshing therewith to rotate together, driving the rotating shaft 260 and the turntable 270 to rotate, thereby driving the clamping assembly 300 and the turbine blade body 400 to rotate to the required direction. While the turntable 270 rotates, it drives the four groups of fixed rods 290 and the ball 2910 fixed at the bottom to make a circular motion together, driving the ball 2910 to roll in the annular groove 280, so that the turntable 270 is more stable when rotating. By setting the rotating assembly 200, it is convenient for the staff to carry out processing, improves the work efficiency of the staff, saves time and effort, and the parts not involved in the device are the same as the prior art or can be implemented by the prior art.

[0031] Although an embodiment of the utility model has been shown and described, this specific embodiment is merely an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A fixture for machining turbine guide blades, comprising a workbench body (100), characterized in that: Support legs (110) are fixedly installed at the four corners of the bottom of the workbench body (100); a rotating assembly (200) is provided on the top of the workbench body (100); the rotating assembly (200) comprises two fixed seats (210) fixedly installed at the bottom of the workbench body (100); a rotating shaft (220) is transversely arranged between the two fixed seats (210); one end of the rotating shaft (220) extends through and extends to the other side of one of the fixed seats (210) and is installed with a first motor (230); The output end of the first motor (230) is fixedly connected to the rotating shaft (220) via a coupling; a worm (240) is fixedly sleeved on the outer side of the rotating shaft (220); a worm wheel (250) is meshed on one side of the worm (240); a rotating shaft (260) is fixedly connected to the upper surface of the worm wheel (250); the other end of the rotating shaft (260) extends through and extends to the top of the workbench body (100) and is fixedly connected to a rotating disk (270); a clamping assembly (300) is installed on the upper surface of the rotating disk (270).

2. A fixture for machining turbine guide blades according to claim 1, characterized in that: The four sides of the bottom of the turntable (270) are fixedly connected with fixed rods (290), and the bottom end of each group of fixed rods (290) is rotatably connected with a ball (2910), and the upper surface of the workbench body (100) is provided with an annular groove (280) matching the ball (2910).

3. A fixture for machining turbine guide blades according to claim 1, characterized in that: The clamping assembly (300) includes a slide groove (310) opened on one side of the upper surface of the turntable (270), a threaded screw (320) is transversely arranged in the slide groove (310), one end of the threaded screw (320) extends through the outside of the turntable (270) and is installed with a second motor (330), the output end of the second motor (330) is fixedly connected to the threaded screw (320) through a coupling, the outer wall of the threaded screw (320) is threadedly connected with a slider (340), the top of the slider (340) is fixedly connected with an L-shaped movable connecting plate (350), and a movable clamping block (360) is fixedly installed on one side of the L-shaped movable connecting plate (350).

4. A fixture for machining turbine guide blades according to claim 3, characterized in that: A threaded hole is provided at the top of the L-shaped movable connecting plate (350), and a threaded rod (370) is threadedly connected in the threaded hole. The bottom end of the threaded rod (370) is connected to a first pressing plate (380) via a bearing.

5. A fixture for machining turbine guide blades according to claim 4, characterized in that: A rotating handle (390) is fixedly mounted on the top end of the threaded rod (370), and an anti-slip pattern is formed on the outer side of the rotating handle (390).

6. A fixture for machining turbine guide blades according to claim 3, characterized in that: An L-shaped fixing plate (3910) is fixedly connected to the upper surface of the rotating disk (270) at a side away from the L-shaped movable connecting plate (350), and a fixing clamp (3920) is fixedly installed at a side of the L-shaped fixing plate (3910) close to the L-shaped movable connecting plate (350).

7. A fixture for machining turbine guide blades according to claim 6, characterized in that: The top of the L-shaped fixing plate (3910) is provided with a through hole, and a fixing sleeve (3930) is fixedly installed on the top of the L-shaped fixing plate (3910) above the through hole, a pull rod (3940) is passed through the top of the fixing sleeve (3930), the bottom end of the pull rod (3940) passes through and extends to the bottom of the L-shaped fixing plate (3910) and is fixedly installed with a second pressure plate (3970), the outer wall of the pull rod (3940) is located in the inner cavity of the fixing sleeve (3930) and is fixedly sleeved with a fixing ring (3950), and the fixing ring A spring (3960) is installed between the upper surface (3950) and the top of the inner cavity of the fixed sleeve (3930), and the spring (3960) is sleeved on the outer wall of the pull rod (3940). A pull handle is installed on the top of the pull rod (3940). The initial state of the spring (3960) is a compressed state. A placement plate is installed at the center of the turntable (270), and a turbine blade body (400) is provided on the upper surface of the placement plate. The clamping surface of the movable clamp (360) is set to an arc shape and matches one side of the turbine blade body (400).

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