CN108818019A - A kind of numerically-controlled machine tool processing angular deflection adjustment positioning component - Google Patents

Abstract

The invention discloses an angle deflection adjustment and positioning assembly for numerical control machine tool processing, which includes a first V-shaped block, a second V-shaped block, a first stepped positioning pin, a second stepped positioning pin, a cuboid adjusting gauge block assembly, and a second V-shaped block. A circular base plate and a second circular base plate, the first stepped positioning pin cooperates with the first V-shaped block, the second stepped positioning pin cooperates with the second V-shaped block, and the second stepped positioning pin cooperates with the second V-shaped block. The circular base plate has a protruding central axis, the first circular base plate is placed on the second circular base plate, and the first circular base plate surrounds the central axis of the second circular base plate Rotate, the first stepped positioning pin is adapted to the reference pin hole of the first circular base plate, the second stepped positioning pin is matched to the reference pin hole of the second circular base plate, the waist circle of the first circular base plate hole fit. The angle deflection adjustment and positioning assembly for numerical control machine tool processing of the present invention adopts such a structure, which has high positioning accuracy, convenient operation, guaranteed processing accuracy and reduced production cost.

Description

Angle deflection adjustment and positioning assembly for CNC machine tool processing

technical field

The invention relates to a combination fixture, in particular to an angle deflection adjustment and positioning assembly for numerical control machine tool processing.

Background technique

With the advancement of modern science and technology and the rapid development of productivity, the types of mechanical and electrical products are changing with each passing day, which has prompted obvious changes in the form of manufacturing and processing in the machinery industry. In the modern machinery manufacturing industry, machining machine tools and machine tool fixtures are required to be widely adapted. In recent years, the rapid development of CNC machine tools and flexible manufacturing systems is meeting the needs of multi-variety and small batch production methods. In this production method, combined fixtures, adjustable fixtures and other combined and adjustable features The flexible fixture system has been widely used; combined fixtures are prefabricated components and assemblies with different functions, shapes and sizes, which are assembled according to the different requirements of the parts to be processed. Form fixture. It is a new type of fixture developed on the basis of the standardization, serialization and normalization of the parts of the fixture.

When the workpiece is processed on the CNC machine tool, the phenomenon of angle deflection processing will be encountered. At present, there is no effective means to quickly process the deflection angle. We can only find the reference plane for clamping again, which not only affects the processing efficiency, but also makes it difficult to guarantee the processing accuracy.

Contents of the invention

The technical problem to be solved by the present invention is to provide an angle deflection adjustment and positioning assembly for CNC machine tool processing. The use of this angle deflection adjustment and positioning assembly for CNC machine tool processing can improve processing efficiency and ensure processing accuracy.

To solve this technical problem, the technical solution of the present invention is: an angle deflection adjustment positioning assembly for CNC machine tool processing, which includes a first V-shaped block, a second V-shaped block, a first stepped positioning pin, a second stepped positioning pin , cuboid adjusting gauge block assembly, the first circular base plate and the second circular base plate, the first stepped positioning pin cooperates with the first V-shaped block, the second stepped positioning pin cooperates with the second V-shaped block, and the rectangular parallelepiped adjusts The gauge block assembly is located between the first V-shaped block and the second V-shaped block when in use, the second circular base plate has a protruding central axis, the first circular base plate is placed on the second circular base plate, The first circular base plate rotates around the central axis of the second circular base plate, and the second circular base plate is provided with 24 uniformly distributed reference pin holes of the second circular base plate on concentric circles, the first circular base plate The circular base plate is provided with 4 uniformly distributed first circular base plate datum pin holes located on concentric circles and 4 first circular base plate waist holes of the same shape, and the 4 first circular base plate The diameter of the concentric circles of the reference pin holes is equal to the diameter of the concentric circles of the 24 reference pin holes of the second circular base plate, and there is a waist circle hole of the first circular base plate between every two reference pin holes of the first circular base plate , when the center line of the reference pin hole of a first circular base plate coincides with the center line of the reference pin hole of any second circular base plate, there are 5 second round holes in any one of the first circular base plates The reference pin hole of the foundation plate, the first step positioning pin is adapted to the reference pin hole of the first circular base plate, the second step positioning pin is adapted to the reference pin hole of the second circular base plate, and the waist circle hole of the first circular base plate match.

The second circular base plate is provided with four uniformly distributed second circular base plate countersunk holes located on concentric circles, and the diameter of the concentric circles of the second circular base plate waist countersunk holes is less than The diameter of the 24 concentric circles of the reference pin holes of the second circular foundation plate.

The area of the first circular base plate is the same as that of the second circular base plate, and the first circular base plate is also provided with a hole system consisting of threaded holes and pin holes.

The edge of the first circular base plate is also provided with a hand grip.

An angle deflection adjustment and positioning assembly for CNC machine tool processing of the present invention adopts such a structure, which has high positioning accuracy and is easy to operate. During processing, the rotary combined fixture can be transformed at any angle, which can satisfy any spatial angle of complex parts. The processing solves the problem of difficult processing of such parts. This adjustment method combined with CNC machine tool processing can realize the clockwise and counterclockwise position accuracy adjustment of the angle, so as to complete the high-precision positioning of the angular deflection of the CNC machine tool in the same plane and Processing, to ensure processing accuracy, reduce production costs, so as to achieve flexible processing and manufacturing.

Description of drawings

The angle deflection adjustment and positioning assembly for CNC machine tool processing of the present invention will be further described in detail below in conjunction with the accompanying drawings;

Fig. 1 is the schematic diagram of the structure of the second circular base plate;

Fig. 2 is a schematic structural diagram of the first circular base plate;

Fig. 3 is a structural schematic diagram of the positioning pin of the first step;

Fig. 4 is a schematic structural diagram of the positioning pin of the second step;

Fig. 5 is a top view structural diagram of an angle deflection adjustment and positioning assembly for CNC machine tool processing in use according to the present invention;

Fig. 6 is a schematic diagram of angle deflection adjustment of 73.5°;

Fig. 7 is a schematic diagram of angle deflection adjustment of 17.5°;

In the figure, 1. The second circular foundation plate; 2. The countersunk hole in the waist circle of the second circular foundation plate; 3. The reference pin hole of the second circular foundation plate; 4. The central axis; 5. The first circular Base plate; 6. Datum pin hole of the first circular base plate; 7. Waist hole of the first circular base plate; 8. Hole system of the first circular base plate; 9. Positioning pin of the first step; 10. Second Step positioning pin; 11, the first V-shaped block; 12, the cuboid adjusting gauge block assembly; 13, the second V-shaped block.

Detailed ways

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the angle deflection adjustment and positioning assembly for CNC machine tool processing includes a first V-shaped block 11, a second V-shaped block 13, a first stepped positioning pin 9, The second step positioning pin 10, the cuboid adjusting gauge block assembly 12, the first circular base plate 5 and the second circular base plate 1, the first step positioning pin 9 cooperates with the first V-shaped block 11, and the second step positioning The pin 10 cooperates with the second V-shaped block 13, and the cuboid adjusting gauge block assembly 12 is located between the first V-shaped block 11 and the second V-shaped block 13 during use, and the second circular base plate 1 has a protruding central axis 4. The second circular base plate 1 has 24 uniformly distributed second circular base plate reference pin holes 3 located on concentric circles, and the second circular base plate 1 has four uniformly distributed concentric circles. The second circular base plate waist countersunk hole 2, the concentric circle diameter of the second circular base plate waist countersunk hole 2 is smaller than the concentric circle diameter of the 24 second circular base plate reference pin holes 3. The first circular base plate 5 is placed on the second circular base plate 1, the first circular base plate 5 rotates around the central axis 4 of the second circular base plate 1, the area of the first circular base plate and the second circular base plate The two circular base plates are identical.

On the first circular base plate 5, there are 4 uniformly distributed first circular base plate reference pin holes 6 and 4 first circular base plate waist holes 7 of the same shape on the concentric circle, and 4 first The diameter of the concentric circles of the circular base plate reference pin holes 6 is equal to the diameter of the concentric circles of the 24 second circular base plate reference pin holes 3, and there is a first between every two first circular base plate reference pin holes 6. Round base plate waist hole 7, when the center line of the reference pin hole of a first circular base plate coincides with the center line of the reference pin hole of any second circular base plate, any one of the first circular base plate waist round holes There are five reference pin holes 3 of the second circular base plate in 7, the first stepped positioning pin 9 is adapted to the reference pin hole 6 of the first circular base plate, and the second stepped positioning pin 10 is matched with the second circular base plate The datum pin hole 3 and the waist round hole 7 of the first circular base plate are adapted.

The cuboid adjusting gauge block assembly can be made or purchased as required.

The first circular base plate 5 is also provided with a hole system consisting of threaded holes and pin holes. For ease of operation, a handle can be provided on the edge of the first circular base plate.

The second circular base plate 1 may be provided with the same hole system as the first circular base plate.

Figure 5 shows an angular deflection adjustment of 47.5°, given by the formula In order to adjust the total length of the gauge block, if the angle is less than 30° or greater than 60°, it is inconvenient to adjust, then you can rotate the first circular base plate at a multiple of 15° by increasing or decreasing The method of 15° (30°) makes the obtained isosceles triangle within the adjustable range, so as to achieve the adjustment of any angle. The angle deflection adjustments of 73.5° and 17.5° shown in Fig. 6 and Fig. 7 are converted into 43.5° and 47.5° are adjusted, and after the angle deflection is adjusted, fasten the first circular base plate to the second circular base plate with hexagon socket head screws.

The invention provides an angle deflection adjustment and positioning assembly for CNC machine tool processing with high positioning accuracy and convenient operation. During processing, the rotary combined fixture can be transformed at any angle, which can meet the processing of complex parts at any spatial angle, and solve the problem of The processing of such parts is difficult. This adjustment method combined with CNC machine tool processing can realize the clockwise and counterclockwise position accuracy adjustment of the angle, so as to complete the high-precision positioning and processing of the angular deflection of the CNC machine tool in the same plane, and ensure the processing accuracy. , to reduce the production cost, thereby realizing flexible processing and manufacturing.

Claims (4)

1. An angle deflection adjustment positioning assembly for CNC machine tool processing, characterized in that: it comprises a first V-shaped block, a second V-shaped block, a first step positioning pin, a second step positioning pin, and a cuboid adjusting gauge block assembly , the first circular base plate and the second circular base plate, the first stepped positioning pin is matched with the first V-shaped block, the second stepped positioning pin is matched with the second V-shaped block, the described When the cuboid adjusting block assembly is used, it is located between the first V-shaped block and the second V-shaped block. The second circular base plate has a protruding central axis, and the first circular base plate is placed on the On the second circular base plate, the first circular base plate rotates around the central axis of the second circular base plate, and the second circular base plate is provided with 24 concentric circles The second circular base plate datum pin holes of cloth, the first circular base plate is provided with 4 uniformly distributed first circular base plate datum pin holes on concentric circles and 4 first circular base plate datum pin holes of the same shape One circular base plate waist circle hole, the concentric circle diameters of the 4 first circular base plate reference pin holes are equal to the concentric circle diameters of the 24 second circular base plate reference pin holes, and each of the two first There is a first circular base plate waist round hole between the reference pin holes of the circular base plate. When the lines coincide, there are five second circular base plate reference pin holes in any one of the first circular base plate waist holes, and the first stepped positioning pin and the first circular base plate reference pin hole Adaptation, the second stepped positioning pin is adapted to the reference pin hole of the second circular base plate and the waist hole of the first circular base plate. 2. The angular deflection adjustment and positioning assembly for CNC machine tool processing according to claim 1, characterized in that: the second circular base plate is provided with four evenly distributed second circles located on concentric circles The diameter of the concentric circles of the waist countersinks of the second circular foundation plate is smaller than the diameters of the 24 reference pin holes of the second circular foundation plate. 3. The angular deflection adjustment positioning assembly for CNC machine tool processing according to claim 1 or 2, characterized in that: the area of the first circular base plate is the same as that of the second circular base plate, and the first circular base plate The shaped base plate is also provided with a hole system consisting of threaded holes and pin holes. 4 . The angle deflection adjustment and positioning assembly for CNC machine tool processing according to claim 3 , wherein a hand grip is provided on the edge of the first circular base plate.