Workpiece positioning device for CNC machining

Abstract

The utility model relates to the field of CNC (computer numerical control) machining, in particular to a workpiece positioning device for CNC machining, which comprises a connecting plate, a pair of mounting blocks are symmetrically mounted on the connecting plate, bases are arranged on the mounting blocks, a semicircular block is fixedly arranged on one side of each base, and a rotating block is rotationally mounted on the other side of each base through a rotating seat. Wherein the rotating block is provided with a special-shaped clamping block through a limiting groove. According to the utility model, the semicircular block and the rotating block are symmetrically arranged in a matched manner, so that the function of positioning a machined part can be realized, meanwhile, in the actual use process, the function of adjusting the angle of the rotating block can be realized by rotating the adjusting bolt, and the limiting groove used for clamping the special-shaped clamping block is formed in the rotating block, so that the clamping block is convenient to use. And the moving mechanism is arranged on the base on the independent side, so that the efficient positioning efficiency can be guaranteed, the machining efficiency is improved, and the tedious bolt dismounting link is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of CNC processing, in particular to a workpiece positioning device for CNC processing. Background Art

[0002] CNC machining center is a very common machine in factories. CNC machining usually refers to computer digital controlled precision machining, which generally includes CNC machining lathes, CNC machining milling machines, CNC machining boring and milling machines, etc. Existing CNC machining generally requires the workpiece to be positioned and fixed before it can be processed stably. Generally, CNC machining requires a specific positioning device for positioning processing.

[0003] At present, traditional positioning devices mostly use bolt fixing methods, which require repeated operations during the disassembly of workpieces. The process is not only complicated and cumbersome, but also time-consuming and labor-intensive. At the same time, traditional positioning devices can only clamp workpieces with regular shapes. If they encounter special-shaped workpieces, they cannot be positioned stably and even require the replacement of fixtures, which seriously affects processing efficiency. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a workpiece positioning device for CNC machining.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A workpiece positioning device for CNC machining comprises a connecting plate, on which a pair of mounting blocks are symmetrically mounted, each mounting block is provided with a base, a semicircular block is fixedly mounted on one side of the base, and a rotating block is rotatably mounted on the other side through a rotating seat, wherein a special-shaped clamping block is mounted on the rotating block through a limiting groove.

[0007] In addition, a preferred structure is that the bottom of the connecting plate is connected to the platform, a limit seat is installed on one side of the platform, and a limit plate is installed on the limit seat for upper limit movement.

[0008] In addition, a preferred structure is that the mounting block on one side is connected to a limiting plate, and the limiting plate is connected to the limiting seat and the platform via fixing bolts.

[0009] In addition, a preferred structure is that each of the semicircular blocks is provided with an embedding groove, and a rotating block is installed in the semicircular block through the embedding groove, and one end of the rotating block is rotatably installed on the rotating seat through a pin shaft.

[0010] In addition, a preferred structure is that each of the semicircular blocks is provided with a plurality of limiting grooves, and a special-shaped clamping block is clamped and installed in the limiting groove.

[0011] In addition, a preferred structure is that a limiting block is provided on one side of each of the semicircular blocks, the lower portion of the limiting block is inclined to one side, and the semicircular blocks are clamped with each other through the limiting block.

[0012] In addition, a preferred structure is that a screw hole is provided on one side of each of the semicircular blocks, the screw hole is communicated with the embedding groove provided in the semicircular block, and an adjusting bolt is rotatably installed in the screw hole.

[0013] The beneficial effects of the utility model are:

[0014] In the utility model, the function of positioning the workpiece can be achieved by setting the semicircular block and the rotating block in a symmetrical manner. At the same time, in actual use, the angle of the rotating block can be adjusted by rotating the adjusting bolt. In addition, a limiting groove for clamping special-shaped clamping blocks is provided on the rotating block, which makes it convenient and quick to replace specific clamps and meets the purpose of positioning special-shaped workpieces. In addition, a moving mechanism is provided on the base on a single side, which can ensure efficient positioning efficiency, improve processing efficiency, and avoid cumbersome bolt disassembly links. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the external structure of a workpiece positioning device for CNC machining proposed by the utility model;

[0016] Figure 2 A schematic diagram of a positioning device for a workpiece positioning device for CNC machining proposed by the utility model Figure 1 ;

[0017] Figure 3 A schematic diagram of a positioning device for a workpiece positioning device for CNC machining proposed by the utility model Figure 2 ;

[0018] Figure 4 The present invention is a schematic diagram of adjusting a limit block of a workpiece positioning device for CNC machining proposed by the present invention.

[0019] In the figure: 1 platform, 2 connecting plate, 3 mounting block, 4 semicircular block, 41 rotating block, 42 ​​limiting groove, 43 limiting block, 5 limiting seat, 6 special-shaped clamping block, 7 limiting piece, 8 fixing bolt, 9 adjusting bolt, 10 rotating seat, 11 base, 12 pin shaft. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4A workpiece positioning device for CNC machining includes a connecting plate 2, a pair of mounting blocks 3 are symmetrically mounted on the connecting plate 2, and a base 11 is provided on each mounting block 3. A semicircular block 4 is fixedly provided on one side of the base 11, and a rotating block 41 is rotatably mounted on the other side through a rotating seat 10, wherein a special-shaped clamping block 6 is installed on the rotating block 41 through a limiting groove 42.

[0022] The bottom of the connecting plate 2 is connected to the platform 1, and a limit seat 5 is installed on one side of the platform 1. The limit seat 5 is movable and installed with a limit piece 7. The positioning device can be adjusted by setting the limit piece 7 and the limit seat 5 and cooperating with the fixing bolt 8.

[0023] Moreover, one side mounting block 3 is connected to the limiting plate 7 , and the limiting plate 7 is connected to the limiting seat 5 and the platform 1 via fixing bolts 8 .

[0024] In addition, each semicircular block 4 is provided with an embedding groove, and a rotating block 41 is mounted in the semicircular block 4 through the embedding groove. One end of the rotating block 41 is rotatably mounted on the rotating seat 10 through a pin shaft 12 .

[0025] At the same time, each semicircular block 4 is provided with a plurality of limiting grooves 42, and a special-shaped clamping block 6 is clamped and installed in the limiting groove 42. The special-shaped clamping block 6 can meet the clamping function of the special-shaped part, thereby ensuring the processing efficiency.

[0026] Furthermore, a limiting block 43 is provided on one side of each semicircular block 4 , the lower portion of the limiting block 43 is inclined to one side, and the semicircular blocks 4 are clamped with each other via the limiting block 43 .

[0027] Furthermore, a screw hole is provided on one side of each semicircular block 4 , the screw hole is communicated with the embedding groove provided in the semicircular block 4 , and an adjusting bolt 9 is rotatably installed in the screw hole.

[0028] In this embodiment, the position of the mounting block 3 at the movable end on the connecting plate 2 is adjusted, and the limiting piece 7 on one side thereof is connected and fixed to the limiting seat 5 by the fixing bolt 8, so that the mounting block 3 at the movable end is fixed;

[0029] At the same time, in the actual use of the positioning device, the purpose of clamping and fixing the workpiece can be achieved through the symmetrically arranged rotating block 41. At the same time, a special-shaped clamping block 6 is installed on the rotating block 41 through the limit groove 42. The special-shaped clamping block 6 can meet the effect of clamping the special-shaped part, and by rotating the adjusting bolt 9 on one side of the semicircular block 4, the adjusting bolt 9 moves inward, and the limit block 43 is squeezed and tightened, so that the rotating block 41 is rotated through the rotating seat 10 on one side under the top pressure of the adjusting bolt 9, thereby achieving the purpose of rotating the rotating block 41.

[0030] It is worth noting that the special-shaped clamping block 6 is not limited to the shapes shown in the drawings of the specification. The special-shaped clamping block 6 is a special fixture for positioning the special-shaped parts.

[0031] In the utility model, the function of positioning the workpiece can be realized by setting the semicircular block 4 and the rotating block 41 in a symmetrical manner. At the same time, in actual use, the angle of the rotating block 41 can be adjusted by rotating the adjusting bolt 9. In addition, a limiting groove 42 for clamping the special-shaped clamping block 6 is provided on the rotating block 41, which makes it convenient and quick to replace a specific clamp, thereby meeting the purpose of positioning the special-shaped workpiece. In addition, a moving mechanism is provided on the base 11 on a single side, which can ensure efficient positioning efficiency, improve processing efficiency, and avoid cumbersome bolt disassembly steps.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A workpiece positioning device for CNC machining, comprising a connecting plate (2), characterized in that: A pair of mounting blocks (3) are symmetrically mounted on the connecting plate (2), each mounting block (3) being provided with a base (11), a semicircular block (4) being fixedly mounted on one side of the base (11), and a rotating block (41) being rotatably mounted on the other side via a rotating seat (10), wherein a special-shaped clamping block (6) is mounted on the rotating block (41) via a limiting groove (42).

2. A workpiece positioning device for CNC machining according to claim 1, characterized in that: The bottom of the connecting plate (2) is connected to the platform (1), a limit seat (5) is installed on one side of the platform (1), and a limit plate (7) is installed on the limit seat (5) for upper limit movement.

3. A workpiece positioning device for CNC machining according to claim 1, characterized in that: The mounting block (3) on one side is connected to a limiting plate (7), and the limiting plate (7) is connected to a limiting seat (5) and a platform (1) via fixing bolts (8).

4. A workpiece positioning device for CNC machining according to claim 1, characterized in that: Each of the semicircular blocks (4) is provided with an embedding groove, and a rotating block (41) is mounted in the semicircular block (4) through the embedding groove. One end of the rotating block (41) is rotatably mounted on the rotating seat (10) through a pin shaft (12).

5. A workpiece positioning device for CNC machining according to claim 1, characterized in that: Each of the semicircular blocks (4) is provided with a plurality of limiting grooves (42), and a special-shaped clamping block (6) is clamped and installed in the limiting groove (42).

6. A workpiece positioning device for CNC machining according to claim 1, characterized in that: A limiting block (43) is provided on one side of each semicircular block (4), the lower part of the limiting block (43) is inclined to one side, and the semicircular block (4) is clamped with the semicircular block (4) via the limiting block (43).

7. A workpiece positioning device for CNC machining according to claim 1, characterized in that: A screw hole is provided on one side of each semicircular block (4), the screw hole is communicated with an embedding groove provided in the semicircular block (4), and an adjusting bolt (9) is rotatably installed in the screw hole.

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