Thin pipe clamping assembly and numerical control machine tool

Abstract

The utility model discloses a thin pipe clamping assembly and a numerical control machine tool, and relates to the field of numerical control machine tools, the thin pipe clamping assembly comprises a machine tool body and a clamping assembly, the machine tool body is internally provided with a mounting rack, the inner wall of the mounting rack is provided with a movable groove, and the outer part of the middle part of the mounting rack is provided with an expansion air bag; and the clamping and fixing assembly used for clamping and positioning is arranged on the inner side of the mounting frame, the clamping and fixing assembly comprises a lead screw, a movable block, a first electric push rod and a clamping ring, the movable block is mounted outside the lead screw, the first electric push rod is mounted on the surface of the movable block, and the clamping ring is mounted at the output end of the first electric push rod. According to the thin pipe clamping assembly and the numerical control machine tool, the clamping and fixing assembly and a thin pipe inner supporting part are installed through the installation frame, the expansion air bag expands in a thin pipe to achieve all-around supporting on the inner wall of the thin pipe, thin pipe deformation caused by too large inner supporting force is avoided, the lead screw rotates to control position movement of the movable block, and in other words, the position of the clamping ring is adjusted.

Description

Technical Field

[0001] The utility model relates to the field of numerically controlled machine tools, in particular to a thin tube clamping component and a numerically controlled machine tool. Background Art

[0002] CNC machine tool is the abbreviation of digital control machine tool, which is an automated machine tool equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, express them in coded numbers, and input them into the CNC device through information carriers. When processing thin tubes, CNC machine tools need to clamp components to limit them.

[0003] However, the current thin tube clamping assembly still has some shortcomings. For example, when the clamping force of the existing thin tube clamping assembly is too large, it is easy to cause the thin tube to deform and cause the workpiece to be scrapped. When the clamping force is too small, it is easy to cause the thin tube to be clamped unstably and affect the processing of CNC machine tools.

[0004] Therefore, it is urgent to improve this shortcoming. The utility model studies and improves the existing structural deficiencies and provides a thin tube clamping assembly and a CNC machine tool. Utility Model Content

[0005] The utility model aims to provide a thin tube clamping assembly and a numerically controlled machine tool to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a thin tube clamping assembly and a CNC machine tool, comprising a machine tool body and a clamping assembly, a mounting frame is installed inside the machine tool body, and a movable groove is installed on the inner wall of the mounting frame, and an expansion airbag is arranged outside the middle part of the mounting frame, the clamping assembly used for clamping and positioning is arranged on the inner side of the mounting frame, and the clamping assembly comprises a screw rod, a movable block, an electric push rod 1, and a clamping ring, a movable block is installed outside the screw rod, and an electric push rod 1 is installed on the surface of the movable block, and a clamping ring is installed on the output end of the electric push rod 1.

[0007] Furthermore, the mounting frame is in an E-shape, and two groups of clamping components are symmetrically arranged about the central axis of the mounting frame.

[0008] Furthermore, an auxiliary component for assisting installation is arranged on the inner side of the expansion airbag, and the expansion airbag is in the shape of a circular ring.

[0009] Furthermore, the auxiliary component includes a mounting plate and an air pipe, and the interior of the mounting plate is connected to the air pipe, and the mounting plate and the interior of the air pipe are in communication.

[0010] Furthermore, an adjustment frame is arranged outside the mounting frame, and a rotating shaft is installed at the end of the adjustment frame.

[0011] Further, a moving groove is formed in the inner wall of the adjusting frame, and the adjusting frame and the moving groove are of an integrated structure, and the adjusting frame is in a U-shaped configuration.

[0012] Further, an electric push rod II is installed inside the moving groove, and a connecting block is installed at the output end of the electric push rod II.

[0013] A numerical control machine tool is provided with the thin tube clamping assembly as described above.

[0014] The utility model provides a thin tube clamping assembly and a numerical control machine tool, which have the following beneficial effects:

[0015] 1. In the utility model, the clamping assembly and the thin tube inner support component are installed through the mounting frame. The expansion airbag expands inside the thin tube to provide all-round support for its inner wall, avoiding the deformation of the thin tube caused by excessive internal support force. The position of the movable block is controlled by the rotation of the lead screw, that is, the position of the clamping ring is adjusted. The clamping ring is controlled by the electric push rod I to quickly clamp and limit the thin tube. The expansion airbag and the clamping ring cooperate to provide internal and external limiting forces for the thin tube simultaneously, increasing the clamping firmness.

[0016] 2. In the utility model, the outside of the mounting frame is connected through the connecting block. The electric push rod II controls the lateral movement of the entire mounting frame and the clamping assembly through telescoping, facilitating the docking of the thin tube after clamping. The rotating shaft is driven by the motor to drive the clamped thin tube to rotate, facilitating the multi-angle processing of the thin tube by the numerical control machine tool. The moving groove is used for the installation of the electric push rod II and the guiding movement of the connecting block. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of a thin tube clamping assembly and a numerical control machine tool of the utility model;

[0018] Figure 2 is a schematic diagram of the clamping assembly structure of a thin tube clamping assembly and a numerical control machine tool of the utility model;

[0019] Figure 3 is a schematic diagram of the auxiliary assembly structure of a thin tube clamping assembly and a numerical control machine tool of the utility model;

[0020] Figure 4 is a schematic diagram of the adjusting frame - connecting block structure of a thin tube clamping assembly and a numerical control machine tool of the utility model.

[0021] In the figure: 1. Machine tool body; 2. Mounting frame; 3. Movable slot; 4. Clamping assembly; 401. Screw rod; 402. Movable block; 403. Electric push rod 1; 404. Clamping ring; 5. Inflatable airbag; 6. Auxiliary assembly; 601. Mounting plate; 602. Air pipe; 7. Adjusting frame; 8. Rotating axis; 9. Moving slot; 10. Electric push rod 2; 11. Connecting block. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0023] like Figure 1 , Figure 2 and Figure 3 As shown, a thin tube clamping assembly and a CNC machine tool include a machine tool body 1 and a clamping assembly 4, wherein a mounting frame 2 is installed inside the machine tool body 1, and the mounting frame 2 installs the clamping assembly 4 and the supporting component inside the thin tube, and a movable groove 3 is installed on the inner wall of the mounting frame 2, and an expansion airbag 5 is arranged outside the middle part of the mounting frame 2, and the expansion airbag 5 expands inside the thin tube to provide all-round support to the inner wall thereof, thereby avoiding deformation of the thin tube caused by excessive internal supporting force, and the clamping assembly 4 for clamping and positioning is arranged on the inner side of the mounting frame 2, and the clamping assembly 4 includes a screw rod 401, a movable block 402, an electric push rod 403, and a clamping ring 404, and a movable block 402 is installed outside the screw rod 401, and the screw rod 401 rotates to control the position movement of the movable block 402, that is, to adjust the position of the clamping ring 404, and an electric push rod is installed on the surface of the movable block 402 A 403, and a clamping ring 404 is installed at the output end of the electric push rod 403. The clamping ring 404 is controlled by the electric push rod 403 to quickly clamp and limit the thin tube, and cooperates with the expansion airbag 5 to exert internal and external limiting forces on the thin tube at the same time, thereby increasing the clamping firmness. The shape of the mounting frame 2 is E-shaped, and the clamping components 4 are symmetrically arranged in two groups about the central axis of the mounting frame 2. An auxiliary component 6 for auxiliary installation is arranged on the inner side of the expansion airbag 5, and the shape of the expansion airbag 5 is annular. The auxiliary component 6 includes a mounting plate 601 and an air pipe 602, and the interior of the mounting plate 601 is connected to the air pipe 602. The air pipe 602 is a rectangular block with a hollow interior. The gas transported therein is transported to the expansion airbag 5 through the air pipe 602 for the expansion and contraction of the expansion airbag 5, and the mounting plate 601 and the air pipe 602 are connected to each other.

[0024] like Figure 4As shown in the figure, an adjustment frame 7 is provided on the outer side of the mounting frame 2, and a rotating shaft 8 is installed at the end of the adjustment frame 7. Driven by a motor, the rotating shaft 8 can drive the clamped thin tube to rotate, which is convenient for the numerical control machine tool to process the thin tube from multiple angles. A moving groove 9 is formed in the inner wall of the adjustment frame 7. The moving groove 9 is used for the installation of the second electric push rod 10 and the guiding movement of the connecting block 11. The adjustment frame 7 and the moving groove 9 are of an integrated structure, and the shape of the adjustment frame 7 is in a U shape. The second electric push rod 10 is installed inside the moving groove 9. The second electric push rod 10 controls the lateral movement of the entire mounting frame 2 and the clamping assembly 4 through telescoping, which is convenient for the butt joint of the thin tube after clamping. The output end of the second electric push rod 10 is provided with a connecting block 11, and the connecting block 11 is connected to the outside of the mounting frame 2.

[0025] In summary, for the thin tube clamping assembly and the numerical control machine tool, first, according to Figures 1 to 4 the structure shown in the figure, the staff sleeved the thin tube on the long rod in the middle of the mounting frame 2. At this time, the expansion airbag 5 is in a contracted state. Then, the air supply pipe connected to the end of the mounting plate 601 is opened, so that the air delivery pipe 602 conveys gas into the expansion airbag 5 to make it expand. After expansion, the expansion airbag 5 expands inside the thin tube and provides an all-round support for its inner wall, avoiding the deformation of the thin tube caused by excessive internal support force. Then, according to the clamping position, the motor at the end of the lead screw 401 is started, and after rotation, it drives the movable block 402 to move. When the position of the clamping ring 404 is adjusted, the first electric push rod 403 is controlled to make the clamping ring 404 quickly clamp and limit the thin tube. At this time, the clamping ring 404 and the expansion airbag 5 simultaneously apply internal and external limiting forces to the thin tube, increasing the clamping firmness. When using the numerical control machine tool to weld and connect two thin tubes, after the thin tubes on both sides are installed and limited, the second electric push rod 10 is controlled to extend, so that the mounting frame 2 and the thin tube move closer to each other. When rotation is required, the motor at the end of the rotating shaft 8 is controlled to drive the clamped thin tube to rotate, which is convenient for the numerical control machine tool to process the thin tube from multiple angles.

[0026] A numerical control machine tool is provided with the above-mentioned thin tube clamping assembly.

[0027] The embodiments of the present invention are given for the purposes of illustration and description, and are not exhaustive or limit the present invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

Claims

1. A thin tube clamping assembly, comprising a machine tool body (1) and a clamping assembly (4), characterized in that: Inside the machine tool body (1), there is an installation frame (2) installed. An activity groove (3) is installed on the inner wall of the installation frame (2). And an expansion airbag (5) is arranged outside the middle part of the installation frame (2). The clamping component (4) for clamping and positioning is arranged inside the installation frame (2). The clamping component (4) includes a lead screw (401), a movable block (402), an electric push rod one (403), and a clamping ring (404). The movable block (402) is installed on the outside of the lead screw (401). The electric push rod one (403) is installed on the surface of the movable block (402). And the output end of the electric push rod one (403) is installed with the clamping ring (404).

2. A thin tube clamping assembly according to claim 1, characterized in that: The installation frame (2) is in the shape of an "E". And there are two groups of clamping components (4) symmetrically arranged about the central axis of the installation frame (2).

3. A thin tube clamping assembly according to claim 1, characterized in that: An auxiliary component (6) for assisting installation is arranged inside the expansion airbag (5). And the expansion airbag (5) is in the shape of an annular ring.

4. A thin tube clamping assembly according to claim 3, characterized in that: The auxiliary component (6) includes an installation plate (601) and an air delivery pipe (602). The air delivery pipe (602) is connected inside the installation plate (601). And the installation plate (601) and the air delivery pipe (602) are internally connected and communicate with each other.

5. A thin tube clamping assembly according to claim 4, characterized in that: An adjustment frame (7) is arranged outside the installation frame (2). And a rotating shaft (8) is installed at the end of the adjustment frame (7).

6. A thin tube clamping assembly according to claim 5, characterized in that: A moving groove (9) is opened on the inner wall of the adjustment frame (7). And the adjustment frame (7) and the moving groove (9) are of an integrated structure. And the adjustment frame (7) is in the shape of a "匚".

7. A thin tube clamping assembly according to claim 6, characterized in that: An electric push rod two (10) is installed inside the moving groove (9). And a connecting block (11) is installed at the output end of the electric push rod two (10).

8. A CNC machine tool, characterized in that: This numerical control machine tool is equipped with the thin tube clamping component as described in any one of claims 1-7.

Images