CN209110604U - Positioning fixture is used in a kind of processing of numerically-controlled machine tool machinery - Google Patents

Abstract

The utility model relates to the technical field of CNC machine tool processing equipment, and discloses a positioning fixture for CNC machine tool machining. The inner part of the limit block is rotatably connected with a rotating shaft, and one end of the rotating shaft is fixedly connected with a folding rod; a sliding groove is opened inside the folding rod; A connecting rod is fixedly sleeved on the surface of the sliding roller. The positioning fixture for CNC machine tool machining is provided with a folding rod and an electric push rod, and the electric push rod pushes the folding rod to drive under the action of the rotating shaft, so that the mutually perpendicular folding rods are clamped to the center in a rectangular direction, so that It can be used to clamp pipes of different diameters, and at the same time, it can be fixed stably. With the arc block and anti-skid protrusions, it can effectively prevent the pipe from sliding or falling off during the clamping process. It has strong practicability and is worth promoting.

Description

A positioning fixture for CNC machine tool machining

technical field

The utility model relates to the technical field of numerical control machine tool processing equipment, in particular to a positioning fixture for numerical control machine tool machining.

Background technique

In the machining of CNC machine tools, there is a problem of inconvenient clamping when machining or testing some outer-circle parts. It is difficult to firmly clamp the spherical surface, and it is easy to loosen during the machining or testing process. In addition, it is difficult to use one fixture for parts of different sizes, because the fixture is not adjustable, which causes many types of fixtures in the factory, which is difficult to manage, and the existing fixture is easy to damage the surface of the workpiece while tightening the workpiece. When processing round pipe fittings, a lot of time, manpower and material resources are wasted, which will lead to a decrease in efficiency and is not conducive to the large-scale processing and production of factories. Therefore, we propose a positioning fixture for CNC machine tool machining to solve the above problems. .

Utility model content

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the utility model provides a positioning fixture for CNC machine tool machining, which has the advantages of stable clamping and convenient adjustment, and solves the problem of poor use effect of the existing CNC machine tool positioning fixture.

(2) Technical solutions

In order to achieve the above purpose of stable clamping and convenient adjustment, the utility model provides the following technical solutions: a positioning fixture for CNC machine tool machining, comprising a CNC machine tool body, a sliding box is arranged inside the CNC machine tool body, and the sliding The inside of the box is fixedly connected with a limit block, the inside of the limit block is rotatably connected with a rotating shaft, and one end of the rotating shaft is fixedly connected with a folding rod, the inside of the folding rod is provided with a chute, and the inside of the chute slides A sliding roller is connected, a connecting rod is fixedly sleeved on the surface of the sliding roller, a spring rod is arranged between the connecting rods, and an electric push rod is fixedly connected to the side wall of the folding rod through a turning button. One end of the rod is fixedly connected with a connecting block, one end of the connecting block is fixedly connected with a fixing block, the inner wall of the sliding box is fixedly connected with a limit pile, the inner wall of the CNC machine tool body is fixedly connected with a servo motor, the said The output end of the servo motor is fixedly connected with a threaded rod, the surface of the threaded rod is threadedly connected with a threaded block, one end of the threaded block is fixedly connected with a mounting plate, and the mounting plate is fixedly connected with the sliding box.

The technical solution is further optimized. Both ends of the two connecting rods are fixedly connected to the sliding rollers, and the folding rods are symmetrically arranged on the center line of the limiting block.

To further optimize the technical solution, the number of the folding rods is four, the four folding rods are divided into two groups, and the two groups of the folding rods are arranged in a vertical cross shape.

The technical solution is further optimized. An arc-shaped block is fixedly connected to one end of the fixed block, the arc-shaped block is arc-shaped in side view, and an anti-slip protrusion is fixedly connected to the inner wall of the arc-shaped block.

To further optimize the technical solution, the top end of the sliding box is fixedly connected with the slider, the slider is slidably connected inside the sliding rail, and the sliding rail is fixedly installed on the inner wall of the sliding box.

To further optimize the technical solution, the thread on the surface of the threaded rod has two sections, one section of the thread is a positive thread, and one section of the thread is a reverse thread.

To further optimize the technical solution, a bearing seat is fixedly sleeved on the surface of the threaded rod, and the bearing seat is fixedly installed on the inner wall of the CNC machine tool body.

(3) Beneficial effects

Compared with the prior art, the utility model provides a positioning fixture for CNC machine tool machining, which has the following beneficial effects:

1. The positioning fixture for CNC machine tool machining is provided with a folding rod and an electric push rod, and the electric push rod pushes the folding rod to drive under the action of the rotating shaft, so that the mutually perpendicular folding rods are clamped to the center in a rectangular direction. , in this way, it can be used to clamp pipes of different diameters, and at the same time, it can be fixed stably. The arc block and anti-skid protrusions can effectively prevent the pipe from sliding or falling off during the clamping process. It is practical and worthy of popularization.

2. The positioning fixture for CNC machine tool machining is provided with a sliding box. Under the action of the servo motor, the sliding box drives the threaded rod, so that the threaded block drives the mounting plate to move, so that the space between the two sliding boxes can be enlarged. Distance, and then suitable for pipe processing needs of different lengths, and a wide range of applications.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural side view of the limit block of the present invention;

3 is a cross-sectional view of the internal structure of the folding rod of the present invention;

Figure 4 is a side view of the slider structure of the present invention.

In the figure: 1. CNC machine body; 2. Sliding box; 3. Limit block; 4. Rotary shaft; 5. Folding rod; 6. Chute; 7. Slider; 8. Connecting rod; 9. Spring rod; 10 , rotary knob; 11, electric push rod; 12, connecting block; 13, fixed block; 14, arc block; 15, anti-skid protrusion; 16, limit pile; 17, slide rail; 18, slider; 19, Servo motor; 20, threaded rod; 21, threaded block; 22, bearing seat; 23, mounting plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Fig. 1-4, a positioning fixture for CNC machine tool machining, including a CNC machine tool body 1, a sliding box 2 is arranged inside the CNC machine tool body 1, and the interior of the sliding box 2 is fixedly connected with a limit block 3, the limit block The inside of 3 is rotatably connected with a rotating shaft 4, one end of the rotating shaft 4 is fixedly connected with a folding rod 5, a sliding groove 6 is opened inside the folding rod 5, and a sliding roller 7 is slidably connected inside the sliding groove 6, and the surface of the sliding roller 7 is fixed with a sleeve A connecting rod 8 is connected, a spring rod 9 is arranged between the connecting rods 8, and an electric push rod 11 is fixedly connected to the side wall of the folding rod 5 through a rotary button 10. The model of the electric push rod 11 is DYTZ700-350. By setting the folding rod 5 and the electric push rod 11, through the push of the electric push rod 11, the folding rod 5 is driven under the action of the rotating shaft 4, so that the mutually perpendicular folding rods 5 are clamped to the center in a rectangular direction, which can meet the requirements of different diameters. The pipe is clamped and fixed stably at the same time. The arc-shaped block 14 and the anti-slip protrusion 15 can effectively prevent the pipe from sliding or falling off during the clamping process. It has strong practicability and is worthy of popularization. One end of the folding rod 5 is fixedly connected with a connecting block 12. , one end of the connection block 12 is fixedly connected with a fixed block 13, the inner wall of the sliding box 2 is fixedly connected with a limit pile 16, and the inner wall of the CNC machine tool body 1 is fixedly connected with a servo motor 19, the model of the servo motor 19 is MHMD082G1V, the servo motor 19 A threaded rod 20 is fixedly connected to the output end of the threaded rod. By setting the sliding box 2, the sliding box 2 drives the threaded rod 20 under the action of the servo motor 19, so that the threaded block 21 drives the mounting plate 23 to move, so that the two can be enlarged. The distance between the sliding boxes 2 is suitable for the processing requirements of pipes of different lengths, and the application range is wide. The surface of the threaded rod 20 is threadedly connected with a threaded block 21, and one end of the threaded block 21 is fixedly connected with a mounting plate 23. The mounting plate 23 and The sliding box 2 is fixedly connected.

Specifically, both ends of the two connecting rods 8 are fixedly connected to the sliding roller 7, and the folding rod 5 is symmetrically arranged with the center line of the limit block 3. Such a symmetrical structure makes the connection structure more stable.

Specifically, the number of folding rods 5 is four, and the four folding rods 5 are divided into two groups, and the two groups of folding rods 5 are arranged in a vertical cross shape, so that the four folding rods 5 can fully surround the pipe when clamping. type clamping.

Specifically, an arc-shaped block 14 is fixedly connected to one end of the fixed block 13, the arc-shaped block 14 has an arc-shaped side view, and an anti-slip protrusion 15 is fixedly connected to the inner wall of the arc-shaped block 14, which is adapted to the shape of the pipe. Arc block 14 to prevent sliding or loosening inside it.

Specifically, the top of the sliding box 2 is fixedly connected to the slider 18, the slider 18 is slidably connected to the inside of the sliding rail 17, and the sliding rail 17 is fixedly installed on the inner wall of the sliding box 2, so that the sliding box 2 slides more easily when moving. Smooth and stable.

Specifically, the thread on the surface of the threaded rod 20 has two sections.

Specifically, a bearing seat 22 is fixedly sleeved on the surface of the threaded rod 20 , and the bearing seat 22 is fixedly installed on the inner wall of the CNC machine tool body 1 . Such a connection structure makes the connection structure more stable.

The electrical components appearing in this article are all connected with the external main controller and 220V mains, and the main controller can be a conventional known device that plays a control role such as a computer.

When in use, start the servo motor 19, the servo motor 19 drives the threaded rod 20, the threaded rod 20 rotates in the bearing seat 22, and then the rotating threaded rod 20 drives the threaded block 21 to move, and when the threaded block 21 moves, it makes the The mounting plate 23 drives the sliding box 2 to move, and then the distance between the two sliding boxes 2 can be adjusted, and then the pipe is placed on the two arc blocks 14 to contact the anti-skid protrusions 15, and then the electric push rod is activated. 11. The electric push rod 11 drives the folding rod 5 through the turning button 10, and the folding rod 5 is folded in half through the rotating shaft 4, so that the four fixing blocks 13 are in contact with the pipe material to be fixed and clamped. The sliding roller 7 inside the chute 6 compresses the connecting rod 8, so that it compresses the spring rod 9, which can then be quickly opened during unloading, which is convenient for unloading. time for easy processing.

To sum up, the positioning fixture for CNC machine tool machining is provided with the folding rod 5 and the electric push rod 11, and the electric push rod 11 pushes the folding rod 5 to drive under the action of the rotating shaft 4, thereby making the folding rods perpendicular to each other. The rod 5 is clamped toward the center in a rectangular direction, which can satisfy the clamping of pipes of different diameters, and at the same time, the fixing is stable. The arc block 14 and the anti-slip protrusion 15 can effectively prevent the pipe from sliding or falling off during the clamping process. It is practical It has strong performance and is worthy of popularization. By setting the sliding box 2, the sliding box 2 drives the threaded rod 20 under the action of the servo motor 19, so that the threaded block 21 drives the mounting plate 23 to move, so that the two sliding boxes 2 can be enlarged. The distance between them is suitable for the processing needs of pipes of different lengths, and the application range is wide.

It should be noted that, in this document, 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 relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A positioning fixture for CNC machine tool machining, comprising a CNC machine tool body (1), characterized in that: the inside of the CNC machine tool body (1) is provided with a sliding box (2), and the sliding box (2) is provided with a sliding box (2). A limiting block (3) is fixedly connected internally, a rotating shaft (4) is rotatably connected inside the limiting block (3), and a folding rod (5) is fixedly connected to one end of the rotating shaft (4), and the folding rod ( 5) A chute (6) is provided inside, and a sliding roller (7) is slidably connected to the interior of the chute (6), and a connecting rod (8) is fixedly sleeved on the surface of the sliding roller (7), so A spring rod (9) is arranged between the connecting rods (8), and an electric push rod (11) is fixedly connected to the side wall of the folding rod (5) through a rotary knob (10), and the folding rod (5) One end of the sliding box (2) is fixedly connected with a connecting block (12), one end of the connecting block (12) is fixedly connected with a fixing block (13), and the inner wall of the sliding box (2) is fixedly connected with a limit pile (16). A servo motor (19) is fixedly connected to the inner wall of the CNC machine tool body (1), an output end of the servo motor (19) is fixedly connected with a threaded rod (20), and a surface of the threaded rod (20) is threadedly connected with a thread A block (21), one end of the threaded block (21) is fixedly connected with a mounting plate (23), and the mounting plate (23) is fixedly connected with the sliding box (2). 2. A positioning fixture for CNC machine tool machining according to claim 1, characterized in that: both ends of the two connecting rods (8) are fixedly connected to the sliding roller (7), and the folding rod (5) Set symmetrically with the center line of the limit block (3). 3. A positioning fixture for CNC machine tool machining according to claim 1, characterized in that: the number of the folding rods (5) is four, and the four folding rods (5) are divided into two groups , the two sets of said folding rods (5) are arranged in a vertical cross shape. 4. A positioning fixture for CNC machine tool machining according to claim 1, characterized in that an arc-shaped block (14) is fixedly connected to one end of the fixed block (13), and the arc-shaped block (14) The side view shape is arc, and the inner wall of the arc block (14) is fixedly connected with anti-skid protrusions (15). 5. A positioning fixture for CNC machine tool machining according to claim 1, characterized in that: the top end of the sliding box (2) is fixedly connected to the slider (18), and the slider (18) is slidably connected Inside the sliding rail (17), the sliding rail (17) is fixedly mounted on the inner wall of the sliding box (2). 6 . The positioning fixture for CNC machine tool machining according to claim 1 , wherein the thread on the surface of the threaded rod ( 20 ) has two sections, one section is a positive thread, and one section is a reverse thread. 7 . 7. A positioning fixture for CNC machine tool machining according to claim 1, wherein a bearing seat (22) is fixedly sleeved on the surface of the threaded rod (20), and the bearing seat (22) is fixed Installed on the inner wall of the CNC machine tool body (1).