Turbine blade machining clamp

Abstract

The utility model provides a steam turbine blade machining clamp, and relates to the field of steam turbine machining equipment. The steam turbine blade machining clamp comprises a bottom plate, an adjusting mechanism and a fixing mechanism, the top of the adjusting mechanism is fixedly connected with a rotating mechanism, the rotating mechanism comprises a rotating groove and a rotating bead, the rotating groove is formed above the adjusting mechanism, and the surface of the rotating bead is attached to the inner wall of the rotating groove. According to the steam turbine blade machining clamp, by arranging a rotating mechanism, after one end of a blade is fixed through a fixing mechanism connected with a connecting rod at the top of a fixing rod, a rotating rod in a movable groove formed in a supporting column is driven to incline according to the angle of the other end of the blade; the rotating rod obliquely drives the rotating ball in the rotating groove to rotate until the rotating ball is consistent with the inclination angle of the blade, and then the blade can be fixed through the fixing mechanism at the top of the rotating rod, so that the time required for adjusting the inclination angle when the blade is fixed is shortened, parts of components of a machining clamp are simplified, the cost performance of the clamp is improved, and the production cost of the clamp is reduced. And the working efficiency of blade machining is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of steam turbine machining equipment, in particular to a steam turbine blade machining clamp. BACKGROUND

[0002] The steam turbine is also called a steam turbine engine, which is a kind of rotary steam power device. High-temperature and high-pressure steam is sprayed onto blades after passing through fixed nozzles to become accelerated airflow, so as to rotate the rotor provided with a blade row and simultaneously do work on the outside. The steam turbine is the main equipment of a modern thermal power plant and is also used in the metallurgical industry, the chemical industry and a ship power device. The blade is a key part of the steam turbine, and a clamp needs to be used to fix the blade during blade machining.

[0003] Patent No. CN219967182U discloses a steam turbine blade machining horizontal clamp. The steam turbine blade machining horizontal clamp is provided with a motor, a first lead screw, a second lead screw, a moving seat, a supporting plate, an adjusting round seat, an annular groove, an annular rod, a rotating installation plate, a fixed spring, a pulling block, a fixed inserting rod, a fixed clamping plate, an electric push rod, a moving clamping plate, a protective pad, a blade and a fixed inserting hole. The two rotating installation plates can be adjusted to a suitable angle according to the bending angle of the blade, so that the moving clamping plate and the fixed clamping plate can clamp the blade with different bending angles, the application range of the steam turbine blade machining horizontal clamp is expanded, and the practicality and structural flexibility of the steam turbine blade machining horizontal clamp are improved. However, the clamp needs to adjust the two ends of the blade respectively when fixing the blade in actual use, the required time is long, the working efficiency of blade machining is reduced, and the components are redundant, so there is room for improvement. The performance-price ratio of the blade machining clamp needs to be improved. CONTENT OF THE UTILITY MODEL

[0004] (I) Technical problem solved

[0005] In view of the defects of the prior art, the steam turbine blade machining clamp is provided, which solves the problems mentioned in the background.

[0006] (II) Technical scheme

[0007] In order to achieve the above purpose, the steam turbine blade machining clamp is realized by the following technical scheme: a steam turbine blade machining clamp, comprising a bottom plate, an adjusting mechanism for adjusting the distance between clamps and a fixing mechanism for clamping and fixing a blade, a rotating mechanism for expanding the fixable angle of the clamp is fixedly connected to the top of the adjusting mechanism, the rotating mechanism comprises a rotating groove and rotating beads, the rotating groove is arranged above the adjusting mechanism, the rotating beads are attached to the inner wall of the rotating groove, the bottom of the adjusting mechanism is fixedly connected to the top of the bottom plate, and the bottom of the fixing mechanism is fixedly connected to the top of the rotating mechanism.

[0008] By adopting the technical scheme, the rotation of the rotating ball in the rotating groove can be used to adjust the inclination angle of the left fixing mechanism, so that the machining clamp can be adapted to blades with different angles, the time for adjusting the angle of the components of the machining clamp is reduced, and the working efficiency of the blade machining is improved.

[0009] Preferably, the rotating mechanism further comprises a supporting column and a fixing rod, the bottom of the supporting column is fixedly connected with the top of the adjusting mechanism, the top of the supporting column is provided with a movable groove, the bottom of the movable groove is provided with a rotating groove, the top of the rotating ball is fixedly connected with a rotating rod, the bottom of the fixing rod is fixedly connected with one side of the top of the adjusting mechanism, and the top of the fixing rod is fixedly connected with a connecting rod.

[0010] By adopting the technical scheme, the movable groove provided in the supporting column can provide sufficient space for the rotation and inclination of the rotating mechanism, the rotating rod can be used to connect the rotating mechanism and the fixing mechanism, and the connecting rod at the top of the fixing rod can ensure the stability of the fixed blade.

[0011] Preferably, the adjusting mechanism comprises a supporting table and a sliding groove, the bottom of the supporting table is fixedly connected with the top of the bottom plate, and the sliding groove is arranged at the top of the supporting table and left and right sides thereof.

[0012] By adopting the technical scheme, the sliding groove and the moving groove provided in the supporting table can provide sufficient space for the length of the blade to be adjusted and adapted, so that the use range of the machining clamp is expanded.

[0013] Preferably, the adjusting mechanism further comprises a fixing groove and an electric push rod, the fixing groove is arranged at the front center of the supporting table, the rear side of the electric push rod is fixedly connected with the rear side of the inner wall of the fixing groove, and one end of the electric push rod is fixedly connected with a connecting plate.

[0014] By adopting the technical scheme, the electric push rod on one side of the connecting plate connected in the fixing groove can provide power support for the movement of the adjusting mechanism.

[0015] Preferably, the adjusting mechanism further comprises an adjusting plate and an adjusting block, the adjusting plate is hingedly connected with the front side of the connecting plate, the side surface of the adjusting block is slidingly connected with the inner wall of the sliding groove, the front side of the adjusting block is hingedly connected with one end of the adjusting plate, and the top of the adjusting block is fixedly connected with the bottom of the supporting column and the bottom of the fixing rod respectively.

[0016] By adopting the technical scheme, the electric push rod can drive the adjusting plate hingedly connected with the connecting plate to rotate, the adjusting plate can drive the adjusting block to move towards or away from each other, and the length of the blade can be adapted.

[0017] Preferably, the fixing mechanism comprises an outer box and a motor, the bottom of the outer box is fixedly connected with the top of the rotating rod, the motor is fixedly connected with the top of the outer box, the output shaft of the motor is fixedly connected with a screw rod, the bottom of the screw rod is rotationally connected with the inner wall bottom of the outer box, and an internally threaded ring is threadedly connected with the surface of the screw rod.

[0018] By adopting the above technical scheme, the motor output shaft at the top of the outer box can drive the screw rod to rotate, and the screw rod can drive the internally threaded ring to move up and down, thereby providing power support for the clamping of the fixing mechanism on the blade.

[0019] Preferably, the fixing mechanism further comprises a lifting groove and a connecting block, the lifting groove is arranged on one side of the outer box, the side surface of the connecting block is slidingly connected with the lifting groove, and one end of the connecting block is fixedly connected with one side of the internally threaded ring.

[0020] By adopting the above technical scheme, the connecting block in the lifting groove can convert the rotation of the internally threaded ring driven by the screw rod into up and down movement, thereby facilitating the taking, placing and fixing of the blade.

[0021] Preferably, the fixing mechanism further comprises a lower fixed plate and an upper fixed plate, one side of the lower fixed plate is fixedly connected with the lower side of one side of the outer box, one side of the upper fixed plate is fixedly connected with the other end of the connecting block, and rubber pads are fixedly connected with the bottom of the upper fixed plate and the top of the lower fixed plate.

[0022] By adopting the above technical scheme, the rubber pads connected with the upper fixed plate and the lower fixed plate can increase the friction between the blade and the fixing mechanism, thereby enhancing the stability of the fixed blade.

[0023] (Three) beneficial effects

[0024] The application provides a turbine blade machining clamp. The turbine blade machining clamp has the following beneficial effects:

[0025] 1. The turbine blade machining clamp, by setting a rotating mechanism, the fixing mechanism connected with the blade through the fixed rod top connecting rod is fixed, the angle of the other end of the blade drives the rotating rod in the movable slot of the supporting column to tilt, the rotating rod drives the rotating ball in the rotating groove to rotate until the tilt angle of the blade is consistent, and then the fixing mechanism at the top of the rotating rod can be used to fix the blade, thereby reducing the time required for adjusting the tilt angle when fixing the blade, simplifying the components of the machining clamp, improving the performance-cost ratio of the clamp, reducing the production cost of the clamp, and improving the work efficiency of the blade machining.

[0026] 2. The steam turbine blade machining clamp, by setting the adjusting mechanism, the electric push rod in the fixed groove of the support table is extended to drive the connecting plate hinged adjusting plate to move, the adjusting plate in the moving groove is moved to drive the adjusting block in the sliding groove to move to the position suitable for blade fixation, reduces the possibility that the debris generated when the blade is processed enters the gap of the adjusting mechanism to affect its normal use, ensures the normal use time of the clamp. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0028] Figure 1 It is a right view top view appearance structure schematic diagram of the present application;

[0029] Figure 2 It is an A part structure enlarged schematic diagram of the present application;

[0030] Figure 3 It is a left view top view part structure section schematic diagram of the present application;

[0031] Figure 4 It is a B part structure enlarged schematic diagram of the present application;

[0032] Figure 5 It is a left view bottom view fixing mechanism section schematic diagram of the present application;

[0033] Figure 6 It is a right view top view fixing mechanism section schematic diagram of the present application.

[0034] In the figure: 1, bottom plate; 2, adjusting mechanism; 201, support table; 202, sliding groove; 203, moving groove; 204, fixed groove; 205, electric push rod; 206, connecting plate; 207, adjusting plate; 208, adjusting block; 3, rotating mechanism; 301, support column; 302, movable slot; 303, rotating groove; 304, rotating ball; 305, rotating rod; 306, fixed rod; 307, connecting rod; 4, fixing mechanism; 401, outer box; 402, lower fixed plate; 403, motor; 404, screw rod; 405, internal thread ring; 406, lifting groove; 407, connecting rod; 408, upper fixed plate; 409, rubber pad. DETAILED DESCRIPTION

[0035] It should be noted that in the description of the embodiments of the present application, the terms "front, back, left, right, up, down" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] The present application will be further described in detail below with the aid of drawings and examples.

[0037] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the embodiments of the present application provide a turbine blade machining clamp, comprising a bottom plate 1, an adjusting mechanism 2 for adjusting the distance between the clamps, and a fixing mechanism 4 for clamping and fixing the blade, a rotating mechanism 3 for expanding the fixable angle of the clamp is fixedly connected to the top of the adjusting mechanism 2, the rotating mechanism 3 comprises a rotating groove 303 and a rotating ball 304, the rotating groove 303 is opened above the adjusting mechanism 2, and the surface of the rotating ball 304 is attached to the inner wall of the rotating groove 303, a supporting column 301 is fixedly connected to the top of the adjusting mechanism 2, an active groove 302 is opened at the top of the supporting column 301, a rotating groove 303 is opened at the bottom of the active groove 302, a rotating rod 305 is fixedly connected to the top of the rotating ball 304, a fixed rod 306 is fixedly connected to one side of the top of the adjusting mechanism 2, a connecting rod 307 is fixedly connected to the top of the fixed rod 306, the bottom of the adjusting mechanism 2 is fixedly connected to the top of the bottom plate 1, the bottom of the fixing mechanism 4 is fixedly connected to the top of the rotating mechanism 3, after the blade is fixed by the fixing mechanism 4 connected by the fixed rod 306 and the connecting rod 307 at one end, the active groove 302 opened in the supporting column 301 is driven to tilt the rotating rod 305 according to the angle of the other end of the blade, the rotating rod 305 is tilted to drive the rotating ball 304 in the rotating groove 303 to rotate until it is consistent with the inclination angle of the blade, and then the fixing mechanism 4 at the top of the rotating rod 305 can be used to fix it.

[0038] Referring to Figure 1 and Figure 3In one aspect of the embodiment, the adjusting mechanism 2 comprises a support table 201 and a sliding groove 202, the bottom of the support table 201 is fixedly connected to the top of the bottom plate 1, the sliding groove 202 is arranged on the left and right sides of the top of the support table 201, a moving groove 203 is arranged on the front side of the sliding groove 202, a fixed groove 204 is arranged on the front side of the center of the support table 201, an electric push rod 205 is fixedly connected to the inner wall of the rear side of the fixed groove 204, one end of the electric push rod 205 is fixedly connected to a connecting plate 206, the adjusting plate 207 is hingedly connected to the front side of the connecting plate 206, the adjusting block 208 is slidingly connected to the side surface of the inner wall of the sliding groove 202, one end of the adjusting block 208 is hingedly connected to the adjusting plate 207, the top of the adjusting block 208 is fixedly connected to the bottom of the support column 301 and the bottom of the fixed rod 306 respectively, the electric push rod 205 arranged in the fixed groove 204 of the support table 201 is driven to move, the connecting plate 206 is hingedly connected to the adjusting plate 207, the adjusting plate 207 is moved, the adjusting block 208 located in the sliding groove 202 is moved to a position suitable for fixing the blade.

[0039] With reference to Figure 5 And Figure 6 In one aspect of the embodiment, the fixing mechanism 4 comprises an outer box 401 and a motor 403, the bottom of the outer box 401 is fixedly connected to the top of the rotating rod 305, the motor 403 is fixedly connected to the top of the outer box 401, a screw rod 404 is fixedly connected to the output shaft of the motor 403, the bottom of the screw rod 404 is rotatably connected to the inner wall of the bottom of the outer box 401, an inner thread ring 405 is threadedly connected to the surface of the screw rod 404, a lifting groove 406 is arranged on one side of the outer box 401, a connecting block 407 is slidingly connected to the lifting groove 406, one end of the connecting block 407 is fixedly connected to one side of the inner thread ring 405, a lower fixed plate 402 is fixedly connected to the lower side of one side of the outer box 401, an upper fixed plate 408 is fixedly connected to the other end of the connecting block 407, rubber pads 409 are fixedly connected to the bottom of the upper fixed plate 408 and the top of the lower fixed plate 402, the blade is placed on the surface of the rubber pad 409 connected to the lower fixed plate 402, the output shaft of the motor 403 on the top of the outer box 401 is rotated to drive the screw rod 404 to rotate, the screw rod 404 is rotated to drive the inner thread ring 405 to move downward, the inner thread ring 405 moves downward to drive the connecting block 407 in the lifting groove 406 to move downward, the connecting block 407 moves downward to drive the rubber pad 409 on the bottom of the upper fixed plate 408 to move downward to the bottom to be in close contact with the surface of the blade to fix the blade.

[0040] All the electrical equipment in the scheme is powered by an external power supply.

[0041] Working principle: in use, the electric push rod 205 in the fixed slot 204 of the support table 201 is extended to drive the connecting plate 206 to move the adjusting plate 207, the adjusting plate 207 in the moving slot 203 is moved to drive the adjusting block 208 in the sliding slot 202 to move to a position suitable for fixing the blade, according to the angle of the blade inclination, the rotating rod 305 in the movable slot 302 of the support column 301 is inclined, the rotating rod 305 is inclined to drive the rotating ball 304 in the rotating slot 303 to rotate until it is consistent with the inclination angle of the blade, the blade is placed on the surface of the rubber pad 409 connected to the lower fixed plate 402 on the top of the connecting rod 307 connected to the fixed rod 306 on the top of the rotating rod 305, the output shaft of the motor 403 on the top of the outer box 401 is rotated to drive the screw rod 404 to rotate, the screw rod 404 is rotated to drive the internal thread ring 405 to move downward, the internal thread ring 405 moves downward to drive the connecting block 407 in the lifting slot 406 to move downward, the connecting block 407 moves downward to drive the rubber pad 409 on the bottom of the upper fixed plate 408 to move downward to the bottom to be in close contact with the surface of the blade to fix it.

[0042] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0043] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A turbine blade machining fixture comprising a base plate (1), an adjusting mechanism (2) for adjusting the distance between the fixture and a fixing mechanism (4) for clamping and fixing a blade, characterized in that: The rotating mechanism (3) further comprises a supporting column (301) and a fixing rod (306), the bottom of the supporting column (301) is fixedly connected with the top of the adjusting mechanism (2), the top of the supporting column (301) is provided with a movable slot (302), the movable slot (302) is provided with the rotating slot (303) at the bottom, the top of the rotating ball (304) is fixedly connected with the rotating rod (305), the bottom of the fixing rod (306) is fixedly connected with the top of the adjusting block (208), and the top of the adjusting mechanism (2) is fixedly connected with a connecting rod (307) on one side.

2. A turbine blade machining fixture according to claim 1, characterised in that: The adjusting mechanism (2) comprises a supporting table (201) and a sliding slot (202), the bottom of the supporting table (201) is fixedly connected with the top of the bottom plate (1), the sliding slot (202) is arranged at the top of the supporting table (201) and left and right sides, and the front side of the sliding slot (202) is provided with a moving slot (203).

3. A turbine blade machining fixture according to claim 1, wherein: The adjusting mechanism (2) further comprises a fixed slot (204) and an electric push rod (205), the fixed slot (204) is arranged at the front side center of the supporting table (201), the rear side of the electric push rod (205) is fixedly connected with the rear side of the inner wall of the fixed slot (204), and one end of the electric push rod (205) is fixedly connected with a connecting plate (206).

4. A turbine blade machining fixture according to claim 3, wherein: The adjusting mechanism (2) further comprises an adjusting plate (207) and an adjusting block (208), the adjusting plate (207) is hingedly connected with the front side of the connecting plate (206), the side surface of the adjusting block (208) is slidingly connected with the inner wall of the sliding slot (202), the front side of the adjusting block (208) is hingedly connected with one end of the adjusting plate (207), and the top of the adjusting block (208) is fixedly connected with the bottom of the supporting column (301) and the bottom of the fixing rod (306) respectively.

5. A turbine blade machining fixture according to claim 4, characterised in that: The fixing mechanism (4) comprises an outer box (401) and a motor (403), the bottom of the outer box (401) is fixedly connected with the top of the rotating rod (305), the motor (403) is fixedly connected with the top of the outer box (401), the output shaft of the motor (403) is fixedly connected with a screw rod (404), the bottom of the screw rod (404) is rotatably connected with the bottom of the inner wall of the outer box (401), and the surface of the screw rod (404) is threadedly connected with an internal thread ring (405).

6. A turbine blade machining fixture according to claim 2, wherein: The fixing mechanism (4) further comprises a lifting groove (406) and a connecting block (407), the lifting groove (406) is arranged on one side of the outer box (401), the side surface of the connecting block (407) is slidingly connected with the lifting groove (406), and one end of the connecting block (407) is fixedly connected with one side of the internal thread ring (405).

7. A turbine blade machining fixture according to claim 6, characterised in that: ​ 8. A turbine blade machining fixture according to claim 7, characterised in that: The fixing mechanism (4) further comprises a lower fixing plate (402) and an upper fixing plate (408), one side of the lower fixing plate (402) is fixedly connected with one side of the outer box (401) from below, one side of the upper fixing plate (408) is fixedly connected with the other end of the connecting block (407), and the bottom of the upper fixing plate (408) and the top of the lower fixing plate (402) are both fixedly connected with rubber pads (409).

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