Clamping equipment for numerical control machining of precision parts

Abstract

The utility model discloses clamping equipment for numerical control machining of precision parts, and relates to the technical field of clamping equipment. The clamping device comprises a bottom plate, and a clamping mechanism and an adjusting mechanism are arranged on the bottom plate. By arranging the clamping mechanisms, after a precision part needing to be machined is placed between the supporting seats, when the two moving blocks get close to each other, the multiple clamping blocks make contact with the irregular outer wall of the precision part, and the precision part is clamped. The clamping blocks rotate along with the irregular outer wall radian of the precision part under the action of the second trapezoidal sliding grooves and the second trapezoidal sliding blocks, the clamping blocks can be attached to the outer wall of the part for clamping and fixing, the first trapezoidal sliding grooves and the rotating blocks are matched, the adjustable angle is further increased, and the clamping effect is improved. The clamping mechanism can adapt to clamping of parts with different bending radians, the application range of the whole device is greatly widened, the area of the clamping face can be increased through the multi-point clamping and fixing mode of the clamping mechanism, and then the clamping force and stability are improved.

Description

Technical Field

[0001] This utility model belongs to the field of clamping equipment technology, and in particular relates to a clamping device for CNC machining of precision parts. Background Technology

[0002] Numerical control (NC) machining refers to a process method for machining parts on CNC machine tools. While the process specifications of CNC machining are generally consistent with those of traditional machine tool machining, significant changes have occurred. It is a machining method that uses digital information to control the displacement of parts and tools. It is an effective way to solve problems such as diverse part types, small batches, complex shapes, and high precision, and to achieve efficient and automated machining. For CNC machining of precision parts, clamping equipment is used to hold the parts.

[0003] However, the diverse sizes and shapes of existing precision parts mean that existing clamping equipment cannot be adjusted to accommodate the curved outer walls of precision parts of different sizes. This leads to reduced clamping accuracy, insufficient clamping force, and even parts slipping or being damaged, seriously affecting production efficiency and product quality. Utility Model Content

[0004] The purpose of this utility model is to provide a clamping device for CNC machining of precision parts. By setting up a clamping mechanism, it can adapt to clamping parts with different bending curvatures, which greatly improves the applicability of the overall device. It solves the problem that the existing clamping devices cannot be adjusted according to the curved outer wall of the precision parts of different sizes due to the diversity of their dimensions and shapes, which leads to reduced clamping accuracy and insufficient clamping force.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a clamping device for CNC machining of precision parts, including a base plate, on which a clamping mechanism and an adjustment mechanism are provided;

[0007] The clamping mechanism includes four movable blocks. Each of the four movable blocks has a trapezoidal groove I on its inner wall. Each of the four movable blocks has a trapezoidal slider I slidably connected to its inner wall. Each of the four trapezoidal sliders I has a rotating block fixedly connected to its outer wall. Each of the four rotating blocks is slidably connected to the outer wall of each of the four trapezoidal sliders I. Each of the four trapezoidal sliders I has two trapezoidal grooves II on its inner wall. Each of the trapezoidal grooves II has a trapezoidal slider II slidably connected to its inner wall. Each of the trapezoidal sliders II has a clamping block fixedly connected to its outer wall. Each of the clamping blocks is slidably connected to the inner wall of each of the four trapezoidal sliders I.

[0008] The adjustment mechanism includes two support bases.

[0009] Further, the support seat on the left side is fixedly connected to the top surface of the bottom plate, and the support seat on the right side is slidably connected to the top surface of the bottom plate, the top surface of the bottom plate is fixedly connected with an electric push rod, and the support seat on the right side is fixedly connected with the output end of the electric push rod.

[0010] Further, the top surfaces of the two support seats are fixedly connected with support frames, and the top surfaces of the two support frames are fixedly connected with trapezoidal sliding rails.

[0011] Further, the inner walls of the two trapezoidal sliding rails are slidably connected with two trapezoidal sliding blocks three, and the four trapezoidal sliding blocks three are fixedly connected to the bottom surfaces of the four moving blocks.

[0012] Further, the top surfaces of the two support seats are fixedly connected with vertical plates, and the two vertical plates are respectively penetrated by threaded rods, and the two threaded rods are rotatably connected with the two vertical plates.

[0013] Further, the outer walls of the two threaded rods are threadedly connected with adjusting seats, the two adjusting seats are slidably connected with the top surfaces of the two support seats, and the outer walls of the two threaded rods are fixedly connected with rotating handles.

[0014] Further, the front sides and the right sides of the two adjusting seats are rotatably connected with hinged rods, and the ends of the four hinged rods away from the adjusting seats are rotatably connected with the four moving blocks.

[0015] The utility model has the following beneficial effects:

[0016] 1. By setting up the clamping mechanism, the precision parts to be processed are placed between the support seats, when the two moving blocks approach each other, a plurality of clamping blocks are in contact with the irregular outer wall of the precision parts, so that the plurality of clamping blocks rotate with the irregular outer wall of the precision parts under the action of the trapezoidal sliding groove two and the trapezoidal sliding block two, so that the plurality of clamping blocks can be clamped and fixed on the outer wall of the parts, and the trapezoidal sliding groove one and the rotating block are matched, the adjustable angle is further improved, the clamping mechanism can adapt to parts clamping of different bending radii, the application range of the overall device is greatly improved, and the multi-point clamping and fixing mode of the mechanism can improve the area of the clamping surface, and further improve the clamping force and stability.

[0017] 2、By setting has the adjusting mechanism, in to the precision parts is clamped before, can according to the scale of the part rotation two rotating handle drive two threaded rods to rotate, under the cooperation of the support base, drive two adjusting seat to move left or right, make the adjusting seat pull two articulated rods to move, two articulated rods drive the moving block on the inner wall of the trapezoidal slide rail away from each other or close to each other, in turn make two moving blocks on two trapezoidal slide rails close to each other, adjust the spacing between the two moving blocks, can make the overall device adapt to different size precision parts, further improve the applicability of the overall device to different size parts, and after adjusting the spacing between the two moving blocks, the electric push rod can be driven to move the right support seat to the left, in turn make two support seat close to each other to clamp the part.

[0018] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. 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 from these drawings without creative labor.

[0020] Figure 1 The overall structure of the present application is shown in the figure.

[0021] Figure 2 The structure of the clamping mechanism of the present application is shown in the figure.

[0022] Figure 3 The Figure 1 The enlarged structure of A in the figure.

[0023] Figure 4 The Figure 1 The enlarged structure of B in the figure.

[0024] Figure 5 The Figure 2 The enlarged structure of C in the figure.

[0025] In the drawings, the components represented by each number are listed as follows:

[0026] 1, bottom plate; 2, clamping mechanism; 3, adjusting mechanism; 21, moving block; 22, trapezoidal sliding groove one; 23, rotating block; 24, trapezoidal sliding block one; 25, trapezoidal sliding groove two; 26, trapezoidal sliding block two; 27, clamping block; 31, support seat; 311, vertical plate; 32, electric push rod; 33, support frame; 34, trapezoidal sliding rail; 35, trapezoidal sliding block three; 36, threaded rod; 37, adjusting seat; 38, hinged rod; 39, rotating handle. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-5 The utility model discloses a kind of clamping equipment for precision parts numerical control machining, including bottom plate 1, bottom plate 1 is provided with clamping mechanism 2 and adjusting mechanism 3;

[0029] Clamping mechanism 2 includes four moving blocks 21, the inner wall of four moving blocks 21 is all opened with trapezoidal sliding groove one 22, the inner wall of four moving blocks 21 is all slidably connected with trapezoidal sliding block one 24, the outer wall of four trapezoidal sliding block one 24 is all fixedly connected with rotating block 23, four rotating blocks 23 are slidably connected with the outer wall of four trapezoidal sliding block one 24 respectively, the inner wall of four trapezoidal sliding block one 24 is all opened with two trapezoidal sliding grooves two 25, the inner wall of a plurality of trapezoidal sliding grooves two 25 is all slidably connected with trapezoidal sliding block two 26, the outer wall of a plurality of trapezoidal sliding block two 26 is all fixedly connected with clamping block 27, a plurality of clamping blocks 27 are slidably connected with the inner wall of four trapezoidal sliding block one 24 respectively, by being provided with clamping mechanism 2, clamping mechanism 2 can be adapted to the part clamping of different bending radian, greatly improve the application range of overall device, and the fixed mode of the multi-point clamping of this mechanism can improve the area of clamping surface, and then improve clamping force and stability;

[0030] The adjusting mechanism 3 comprises two support seats 31, the left support seat 31 is fixedly connected to the top surface of the bottom plate 1, and the right support seat 31 is slidably connected to the top surface of the bottom plate 1; the top surface of the bottom plate 1 is fixedly connected with an electric push rod 32; the right support seat 31 is fixedly connected with the output end of the electric push rod 32; the top surfaces of the two support seats 31 are fixedly connected with support frames 33; the top surfaces of the two support frames 33 are fixedly connected with trapezoidal slide rails 34; the inner walls of the two trapezoidal slide rails 34 are slidably connected with two trapezoidal slide blocks three 35; the four trapezoidal slide blocks three 35 are fixedly connected to the bottom surfaces of the four moving blocks 21 respectively; the top surfaces of the two support seats 31 are fixedly connected with vertical plates 311; the two vertical plates 311 are penetrated by threaded rods 36; the two threaded rods 36 are rotatably connected with the two vertical plates 311 respectively; the outer walls of the two threaded rods 36 are threadedly connected with adjusting seats 37; the two adjusting seats 37 are slidably connected with the top surfaces of the two support seats 31 respectively; the outer walls of the two threaded rods 36 are fixedly connected with rotating handle 39; the front sides and the right sides of the two adjusting seats 37 are rotatably connected with hinged rods 38; the ends, away from the adjusting seats 37, of the four hinged rods 38 are rotatably connected with the four moving blocks 21 respectively. By arranging the adjusting mechanism 3, the two rotating handle 39 can be rotated according to the size of the part, the two threaded rods 36 are driven to rotate, the two adjusting seats 37 are driven to move left or right under the cooperation of the support seat 31, the adjusting seat 37 drives the two hinged rods 38 to move, the moving blocks 21 are driven to move close to each other on the inner walls of the trapezoidal slide rails 34, and then the two moving blocks 21 on the two trapezoidal slide rails 34 move close to each other, the distance between the two moving blocks 21 is adjusted, the overall device can adapt to precision parts of different sizes, and the applicability of the overall device to parts of different sizes is further improved.

[0031] One specific application of the embodiment is that: by arranging the clamping mechanism 2, the precision part to be processed is placed between the support seats 31, when the two moving blocks 21 move close to each other, the plurality of clamping blocks 27 are in contact with the irregular outer wall of the precision part, the plurality of clamping blocks 27 are rotated under the action of the trapezoidal slide groove two 25 and the trapezoidal slide block two 26 according to the irregular outer wall of the precision part, the plurality of clamping blocks 27 can be clamped and fixed on the outer wall of the part, cooperate with the trapezoidal slide groove one 22 and the rotating block 23, further improve the adjustable angle, so that the clamping mechanism 2 can adapt to parts of different bending radii, greatly improve the application range of the overall device, and the multi-point clamping and fixing mode of the mechanism can improve the area of the clamping surface, and then improve the clamping force and stability;

[0032] By setting the adjusting mechanism 3, before clamping the precision parts, two rotating handles 39 can be rotated to drive two threaded rods 36 to rotate according to the size of the parts, under the cooperation of the supporting seat 31, drive two adjusting seats 37 to move left or right, so that the adjusting seat 37 pulls two hinged rods 38 to move, two hinged rods 38 drive the moving block 21 to move closer to each other on the inner wall of the trapezoidal slide rail 34, and then the two moving blocks 21 on the two trapezoidal slide rails 34 are close to each other, adjust the distance between the two moving blocks 21, so that the overall device can adapt to precision parts of different sizes, further improve the applicability of the overall device to different size parts, and after adjusting the distance between the two moving blocks 21, the electric push rod 32 can be driven to drive the right supporting seat 31 to move left, and then the two supporting seats 31 are close to each other to clamp the parts.

[0033] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the above disclosed utility model are only used to help explain the utility model. The preferred embodiments do not describe all the details, nor limit the utility model to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that those skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A clamping device for CNC machining of precision parts, characterized in that: It include bottom plate (1), be provided with clamping mechanism (2) and adjusting mechanism (3) on the bottom plate (1); The clamping mechanism (2) includes four moving blocks (21), the inner wall of the four moving blocks (21) is provided with a trapezoidal sliding groove one (22), the inner wall of the four moving blocks (21) is slidably connected with a trapezoidal sliding block one (24), the outer wall of the four trapezoidal sliding block one (24) is fixedly connected with a rotating block (23), the four rotating blocks (23) are slidably connected with the outer wall of the four trapezoidal sliding block one (24), the inner wall of the four trapezoidal sliding block one (24) is provided with two trapezoidal sliding grooves two (25), the inner wall of a plurality of trapezoidal sliding grooves two (25) is slidably connected with a trapezoidal sliding block two (26), the outer wall of a plurality of trapezoidal sliding block two (26) is fixedly connected with a clamping block (27), a plurality of clamping blocks (27) are slidably connected with the inner wall of the four trapezoidal sliding block one (24) respectively. The adjusting mechanism (3) includes two support seats (31).

2. The clamping apparatus for precision part NC machining according to claim 1, characterized in that, The support seat (31) located on the left side is fixedly connected to the top surface of the bottom plate (1), the support seat (31) located on the right side is slidably connected with the top surface of the bottom plate (1), the top surface of the bottom plate (1) is fixedly connected with an electric push rod (32), and the support seat (31) located on the right side is fixedly connected with the output end of the electric push rod (32).

3. The clamping apparatus for precision part NC machining according to claim 2, characterized in that, The top surface of the two support seats (31) is fixedly connected with a support frame (33), and the top surface of the two support frames (33) is fixedly connected with a trapezoidal sliding rail (34).

4. The clamping apparatus for precision part NC machining according to claim 3, characterized in that, The inner wall of the two trapezoidal sliding rails (34) is slidably connected with two trapezoidal sliding blocks three (35), and the four trapezoidal sliding blocks three (35) are fixedly connected to the bottom surface of the four moving blocks (21) respectively.

5. The clamping apparatus for precision part NC machining according to claim 4, characterized in that, The top surface of the two support seats (31) is fixedly connected with a vertical plate (311), and the two vertical plates (311) are penetrated by a threaded rod (36), and the two threaded rods (36) are rotatably connected with the two vertical plates (311) respectively.

6. The clamping apparatus for precision part NC machining according to claim 5, characterized in that, The outer wall of the two threaded rods (36) is threadedly connected with an adjusting seat (37), the top surface of the two support seats (31) is slidably connected with the two adjusting seats (37), and the outer wall of the two threaded rods (36) is fixedly connected with a rotating handle (39).

7. The clamping apparatus for precision part NC machining according to claim 6, characterized in that, The front side and the right side of the two adjusting seats (37) are rotatably connected with a hinged rod (38), and the ends of the four hinged rods (38) away from the adjusting seat (37) are rotatably connected with the four moving blocks (21) respectively.

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