Clamping tool for machining curved-surface blade

Abstract

The utility model relates to a clamping tool for processing a curved blade, which belongs to the technical field of clamping tools and comprises a mounting base, two clamping bases are fixedly mounted at the top of the mounting base, and three clamping ejector rods are mounted on one side of each clamping base in a sliding manner. According to the clamping tool for machining the curved-surface blade, the clamping ejector rod is arranged on one side of the clamping base in a penetrating mode, the clamping hemisphere is embedded in one end of the clamping ejector rod, the clamping plate and the clamping soft head are arranged on one side of the clamping hemisphere, the clamping plate and the clamping soft head are driven by the clamping hemisphere to rotate by a certain angle so as to be matched with the curved surface of the blade, and the blade is stably clamped; the problems that the manufacturing precision of the curved-surface blade directly affects the performance of the curved-surface blade, so that the size and shape tolerance must be strictly controlled in the production process, the curved-surface blade needs to be fixed in the machining process of the curved-surface blade, and due to the fact that the curved-surface blade is a curved surface, a common clamping tool is difficult to firmly clamp the curved-surface blade are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping tools, and particularly relates to a clamping tool for machining curved surface blades. Background Technique

[0002] Curved surface blades are blades with complex geometric shapes widely used in fluid machinery. Their design usually requires high-precision modeling and optimization techniques. Curved surface blades mainly consist of two parts: the blade body and the blade root. Among them, the blade body is the actual working part, and its shape directly affects the hydrodynamic performance. Curved surface blades change the flow direction and velocity of the fluid through their specific geometric shapes, thereby generating the required thrust or pressure.

[0003] Axial flow blades are commonly used in axial flow fans and water pumps. Their characteristic is that the blades are arranged along the axis direction and can efficiently guide the fluid to flow parallel to the axis direction. Radial flow blades are mostly used in centrifugal pumps and compressors. Their blades are arranged radially and can effectively guide the fluid from the center to the periphery. It includes aviation engine blades, automotive engine blades, turbine blades, etc. Each type of blade has its specific design and manufacturing requirements. Curved surface blades can provide higher hydrodynamic efficiency, reduce energy loss, and improve the overall performance of the equipment.

[0004] The manufacturing precision of curved surface blades directly affects their performance. Therefore, during the production process, it is necessary to strictly control the dimensional and shape tolerances. During the machining process of curved surface blades, the curved surface blades need to be fixed. Since the curved surface blades are curved surfaces, common clamping tools are difficult to clamp firmly. In view of this, this application proposes a clamping tool for machining curved surface blades. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a clamping tool for machining curved surface blades, which has the advantages of driving the clamping soft head to adapt to the curved surface blade through a rotatable clamping hemisphere, etc., and solves the problem that the manufacturing precision of the curved surface blade directly affects its performance. Therefore, during the production process, it is necessary to strictly control the dimensional and shape tolerances. During the machining process of the curved surface blade, the curved surface blade needs to be fixed. Since the curved surface blade is a curved surface, common clamping tools are difficult to clamp firmly.

[0006] To achieve the above object, the utility model provides the following technical solution: A clamping tool for machining curved surface blades, including a mounting base, two clamping bases are fixedly installed on the top of the mounting base, three clamping ejector rods are slidably installed on one side of the clamping base, a clamping ball groove is opened at one end of the clamping ejector rod located between the two clamping bases, a clamping hemisphere is embedded in the clamping ball groove, a clamping plate is fixedly installed on one side of the clamping hemisphere, and a clamping soft head is fixedly installed on one side of the clamping plate.

[0007] Furthermore, a limiting plate is fixedly installed at one end of the clamping ejector rod, and a through hole adapted to the clamping hemisphere is formed on one side of the limiting plate.

[0008] Furthermore, three mounting through holes are formed on one side of the clamping base, and the clamping ejector rod is inserted into the interior of the mounting through holes.

[0009] Furthermore, a limiting catch is fixedly installed on the inner side wall of the mounting through hole, and a ejector rod slot adapted to the limiting catch is formed on the surface of the clamping ejector rod.

[0010] Furthermore, an adjusting screw rod is fixedly installed at one end of the clamping ejector rod away from the clamping hemisphere, and a screw rod slot adapted to the limiting catch is formed on the surface of the adjusting screw rod.

[0011] Furthermore, adjusting nuts are rotatably installed on the mutually remote sides of the two clamping bases, and the adjusting screw rod is in threaded connection with the adjusting nuts.

[0012] Furthermore, a limiting stop block is fixedly installed at one end of the adjusting screw rod, and the diameter of the limiting stop block is larger than the inner diameter of the mounting through hole.

[0013] Compared with the prior art, the present utility model provides a clamping tool for machining curved surface blades, which has the following beneficial effects:

[0014] For the clamping tool for machining curved surface blades, by inserting a clamping ejector rod on one side of the clamping base, embedding a clamping hemisphere at one end of the clamping ejector rod, and arranging a clamping plate and a clamping soft head on one side of the clamping hemisphere, the clamping plate and the clamping soft head are driven by the clamping hemisphere to rotate by a certain angle to adapt to the curved surface of the blade, so as to firmly clamp the blade, solving the problem that the manufacturing accuracy of the curved surface blade directly affects its performance, so the dimensional and shape tolerances must be strictly controlled during the production process, and it is necessary to fix the curved surface blade during the machining process of the curved surface blade. Since the curved surface blade is a curved surface, common clamping tools are difficult to clamp firmly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the present utility model;

[0016] Figure 2 is a schematic top view of the structure of the present utility model;

[0017] Figure 3 is a schematic side sectional view of the installation of the clamping ejector rod of the present utility model;

[0018] Figure 4 is a three-dimensional schematic diagram of the clamping hemisphere of the present utility model.

[0019] In the figure: 1. Installation base; 2. Clamping base; 21. Installation through-hole; 22. Limit clamping block; 3. Clamping ejector rod; 31. Clamping ball groove; 32. Ejector rod clamping groove; 4. Clamping hemisphere; 5. Clamping plate; 6. Clamping soft head; 7. Limit plate; 8. Adjusting screw; 81. Screw clamping groove; 9. Adjusting nut; 10. Limit stop block. Specific implementation mode

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0021] Embodiment 1: Please refer to Figures 1 to 4 , a clamping tool for processing curved blades, including an installation base 1. Two clamping bases 2 are fixedly installed on the top of the installation base 1. Three clamping ejector rods 3 are slidably installed on one side of the clamping base 2. A clamping ball groove 31 is opened at one end of the clamping ejector rod 3 located between the two clamping bases 2. A clamping hemisphere 4 is embedded in the clamping ball groove 31. A clamping plate 5 is fixedly installed on one side of the clamping hemisphere 4. A clamping soft head 6 is fixedly installed on one side of the clamping plate 5. The clamping soft head 6 is made of relatively soft rubber material, which can play a buffering role when squeezed. After being squeezed and deformed, it adapts to the curved blade, increasing the friction force.

[0022] The clamping hemisphere 4 rotates inside the clamping ball groove 31, driving the clamping plate 5 to rotate an angle at one end of the clamping ejector rod 3, driving the clamping soft head 6 to rotate an angle, and adapting to one side of the curved blade.

[0023] Among them, a limit plate 7 is fixedly installed at one end of the clamping ejector rod 3. A through-hole adapted to the clamping hemisphere 4 is opened on one side of the limit plate 7. The spherical surface of the clamping hemisphere 4 is embedded into the clamping ball groove 31, and then the limit plate 7 is sleeved on the surface of the clamping hemisphere 4 and fixedly connected to one end of the clamping ejector rod 3 to prevent the clamping hemisphere 4 from falling out of the clamping ball groove 31.

[0024] At the same time, three installation through-holes 21 are opened on one side of the clamping base 2. The clamping ejector rod 3 is inserted into the interior of the installation through-hole 21.

[0025] Among them, a limit clamping block 22 is fixedly installed on the inner side wall of the installation through-hole 21. A top rod clamping groove 32 adapted to the limit clamping block 22 is opened on the surface of the clamping ejector rod 3. Align the limit clamping block 22 with the top rod clamping groove 32, and pass the clamping ejector rod 3 through the installation through-hole 21, so that the clamping ejector rod 3 slides inside the installation through-hole 21 and cannot rotate inside the installation through-hole 21.

[0026] Embodiment 2: On the basis of Embodiment 1, an adjusting screw 8 is fixedly installed at one end of the clamping ejector rod 3 away from the clamping hemisphere 4, and a screw groove 81 adapted to the limit block 22 is provided on the surface of the adjusting screw 8.

[0027] Wherein, adjusting nuts 9 are rotatably installed on the mutually remote sides of the two clamping bases 2, and the adjusting screw 8 is in threaded connection with the adjusting nuts 9. Rotating the adjusting nuts 9 drives the adjusting screw 8 to move left and right, drives the clamping ejector rod 3 to move, and clamps the curved blade between the two clamping soft heads 6.

[0028] Secondly, a limit stop 10 is fixedly installed at one end of the adjusting screw 8, and the diameter of the limit stop 10 is larger than the inner diameter of the installation through hole 21. The limit stop 10 limits the movement of the adjusting screw 8 to prevent the adjusting screw 8 from moving too much.

[0029] When this embodiment is in use, place the curved blade between the two clamping bases 2, rotate the two opposite adjusting nuts 9, so that the corresponding two adjusting screws 8 move towards the middle, drive the two clamping ejector rods 3 to move towards the middle until both clamping soft heads 6 are in contact with both sides of the curved blade, the clamping hemisphere 4 rotates inside the clamping ball groove 31, drives the clamping plate 5 to rotate and be parallel to one side of the curved blade, continue to rotate the adjusting nut 9, so that the two clamping soft heads 6 are deformed by extrusion and adapted to the curved blade, clamp the curved blade between the two clamping soft heads 6, and then, clamp the other clamping soft heads 6 in the same way, so that the curved blade is fixed between the two clamping bases 2.

[0030] All electrical components mentioned in the text are electrically connected to the main controller and the power supply. The main controller can be a conventional known device such as a computer for control, and the existing publicly disclosed power connection technology will not be elaborated in the text.

[0031] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of another identical element in the process, method, article or device including the said element.

[0032] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A clamping tooling for machining curved surface blades, comprising a mounting base (1), characterized in that: At the top of the installation base (1), two clamping bases (2) are fixedly installed. On one side of the clamping base (2), three clamping ejector rods (3) are slidably installed. At one end of the clamping ejector rod (3) located between the two clamping bases (2), a clamping ball groove (31) is provided. Inside the clamping ball groove (31), a clamping hemisphere (4) is embedded. On one side of the clamping hemisphere (4), a clamping plate (5) is fixedly installed. On one side of the clamping plate (5), a clamping soft head (6) is fixedly installed.

2. The clamping tooling for machining curved blades according to claim 1, wherein: One end of the clamping ejector rod (3) is fixedly installed with a limiting plate (7). On one side of the limiting plate (7), a through hole adapted to the clamping hemisphere (4) is provided.

3. The clamping tooling for machining a curved blade according to claim 1, characterized in that: On one side of the clamping base (2), three installation through holes (21) are provided. The clamping ejector rod (3) passes through the inside of the installation through hole (21).

4. The clamping tooling for machining curved blades according to claim 3, wherein: On the inner side wall of the installation through hole (21), a limiting block (22) is fixedly installed. On the surface of the clamping ejector rod (3), a ejector rod clamping groove (32) adapted to the limiting block (22) is provided.

5. The clamping tooling for machining a curved blade according to claim 1, wherein: At one end of the clamping ejector rod (3) away from the clamping hemisphere (4), an adjusting screw (8) is fixedly installed. On the surface of the adjusting screw (8), a screw clamping groove (81) adapted to the limiting block (22) is provided.

6. The clamping tooling for machining a curved blade according to claim 5, wherein: On the mutually remote sides of the two clamping bases (2), an adjusting nut (9) is rotatably installed. The adjusting screw (8) is in threaded connection with the adjusting nut (9).

7. The clamping tooling for machining a curved blade according to claim 6, characterized in that: One end of the adjusting screw (8) is fixedly installed with a limiting block (10). The diameter of the limiting block (10) is larger than the inner diameter of the installation through hole (21).

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