CN223368772U - Adjustable eccentric clamp of numerical control machine tool - Google Patents

Abstract

The application relates to the field of numerical control machine tools and discloses an adjustable eccentric clamp of a numerical control machine tool, which comprises a rotating disc, wherein the upper surface of the rotating disc is connected with a moving table in a sliding manner, the upper surface of the moving table is connected with two clamping plates in a sliding manner, the side surface of the moving table is provided with a side groove, the upper surface of the rotating disc is fixedly connected with a measuring plate, the moving table and the side surface of the measuring plate slide relatively, the upper surface of the measuring plate is provided with scale marks, and the upper surface of the moving table is provided with a marking.

Description

Adjustable eccentric clamp of numerical control machine tool

Technical Field

The application relates to the field of numerical control machine tools, in particular to an adjustable eccentric clamp of a numerical control machine tool.

Background

In the machining process of a numerical control machine tool, an eccentric clamp is used as one of important tool clamps and is widely applied to parts with eccentric characteristics, at present, the common eccentric clamp in the market mostly adopts a fixed design, namely, the eccentric amount of the clamp is difficult to adjust once being set, the eccentric amount is difficult to accurately adjust according to different eccentric workpieces, when workpieces with different eccentric amount requirements are machined, the whole clamp is often required to be replaced, and the clamp is difficult to be suitable for stably clamping the eccentric workpieces with different eccentric amounts, so that the universality and the production efficiency of the device are low, and the production cost is increased;

In view of the above-mentioned related art, the inventor believes that the eccentric clamp of the numerical control machine tool has the defect that it is difficult to accurately adjust the eccentric amount, and thus it is difficult to be suitable for stably clamping eccentric workpieces with different eccentric amounts;

The above information disclosed in this background section is only for enhancement of understanding of the background section of the application and therefore it may not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of utility model

The application provides an adjustable eccentric clamp of a numerical control machine, which aims to solve the problem that the eccentric clamp of the numerical control machine is difficult to accurately adjust eccentric quantity, so that the eccentric clamp is difficult to be suitable for stably clamping eccentric workpieces with different eccentric quantities.

The application provides an adjustable eccentric clamp of a numerical control machine tool, which adopts the following technical scheme:

The utility model provides an adjustable eccentric anchor clamps of digit control machine tool, includes the rolling disc, the upper surface sliding connection of rolling disc has the mobile station, the upper surface sliding connection of mobile station has two splint, the side groove has been seted up to the side surface of mobile station, the upper surface fixedly connected with of rolling disc measures the board, just the mobile station with measure the side surface relative slip of board, the upper surface of measuring the board is provided with the scale mark, the upper surface of mobile station is provided with the marking.

Preferably, the upper surface of the mobile station is provided with a first chute, the lower surfaces of the two clamping plates are fixedly connected with sliding blocks, and the two sliding blocks slide relative to the inner wall of the first chute.

Preferably, the inner wall of the first chute is rotatably connected with a double-ended screw rod, and the outer surface of the double-ended screw rod is oppositely combined with the two sliding blocks.

Preferably, a second chute is formed in the upper surface of the rotating disc, a limiting column is fixedly connected to the inner wall of the second chute, and the outer surface of the limiting column slides relative to the moving table.

Preferably, a third sliding groove is formed in the upper surface of the rotating disc, a ball screw is rotatably connected to the inner wall of the third sliding groove, and the outer surface of the ball screw is in relative screwing with the moving table.

In summary, the application has the following beneficial technical effects:

Through setting up movable table, splint, side groove, measuring plate and cooperate the use together to can be according to the difference of the eccentric volume of the eccentric work piece of waiting to process, with the accurate certain distance of removal of eccentric work piece, make the axle center of eccentric work piece translate certain distance for the axle center of rolling disc, thereby adjust eccentric volume accurately, and then can process the eccentric hole of the eccentric work piece of different eccentric volumes accurately, compare in prior art, have and can adjust eccentric volume accurately, thereby be applicable to the stable fixed effect of centre gripping of work piece to different eccentric volumes.

Drawings

FIG. 1 is an overall schematic of an embodiment of the application;

FIG. 2 is a schematic illustration of the clamping of an eccentric workpiece;

Fig. 3 is an enlarged schematic view at fig. 1A.

The reference numerals are 1, a rotating disc, 2, a moving table, 3, a clamping plate, 4, a side groove, 5, a measuring plate, 6, a first chute, 7, a sliding block, 8, a double-head screw, 9, a second chute, 10, a limit column, 11, a third chute, 12 and a ball screw.

Detailed Description

The application is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses an adjustable eccentric clamp of a numerical control machine tool. Referring to fig. 1, 2 and 3, comprising a circular plate-shaped rotating disc 1, when an eccentric workpiece is required to be clamped, the device is placed on a numerical control rotating shaft, so that a clamping part on a machine tool stably clamps and fixes the rotating disc 1, the axis of the rotating disc 1 is aligned with the axis of the numerical control rotating shaft, a cuboid-shaped moving table 2 is slidably connected to the upper surface of the rotating disc 1, so that the moving table 2 is moved to drive the clamped eccentric workpiece to move, the axis of the eccentric workpiece translates a certain distance relative to the axis of the rotating disc 1, the eccentric amount of the eccentric workpiece can be accurately regulated, the eccentric hole of the eccentric workpiece can be accurately machined later, two clamping plates 3 are slidably connected to the upper surface of the moving table 2, so that eccentric workpieces with different sizes can be stably clamped and fixed through the relative sliding of the two clamping plates 3, further guaranteeing the stability of eccentric workpieces in the machining process, arranging a side groove 4 on the side surface of the movable table 2 so that when the eccentric workpieces with smaller diameters are machined, a cutting tool penetrates through an eccentric hole and then is positioned in the side groove 4 to avoid the influence of the cutting tool on the movable table 2, secondly, fixedly connecting a cuboid measuring plate 5 on the upper surface of the rotating disc 1, enabling the movable table 2 to slide relative to the side surface of the measuring plate 5, arranging scale marks on the upper surface of the measuring plate 5, arranging counter marks on the upper surface of the movable table 2, aligning the counter marks with 0 scale marks on the measuring plate 5 when the movable table 2 is not moved, then moving the movable table 2 for a certain distance according to different eccentric amounts to align the counter marks with a certain value of the scale marks, thereby being capable of accurately moving the movable table 2, so as to process eccentric holes with different eccentric amounts, which are required to be processed, of the clamped workpiece, and further accurately process eccentric workpieces with different eccentric amounts.

Referring to fig. 1, a first chute 6 having a groove shape is provided on the upper surface of the mobile station 2, rectangular slide blocks 7 are fixedly connected to the lower surfaces of the two clamping plates 3, and the two slide blocks 7 slide relatively to the inner wall of the first chute 6, meanwhile, a double-headed screw 8 is rotatably connected to the inner wall of the first chute 6, and the outer surface of the double-headed screw 8 and the two slide blocks 7 are relatively combined, so that the double-headed screw 8 is rotated by a worker, thereby driving the two slide blocks 7 to slide relatively on the inner wall of the first chute 6, driving the two clamping plates 3 to slide relatively on the upper surface of the mobile station 2, and further being applicable to stably clamping and fixing eccentric workpieces with different diameters, and improving the practicability and universality of the device.

Referring to fig. 2, a groove-shaped second chute 9 is formed on the upper surface of the rotating disc 1, a columnar limit post 10 is fixedly connected to the inner wall of the second chute 9, the outer surface of the limit post 10 slides relatively to the moving table 2, a groove-shaped third chute 11 is formed on the upper surface of the rotating disc 1, a ball screw 12 is rotatably connected to the inner wall of the third chute 11, the outer surface of the ball screw 12 and the moving table 2 are relatively rotated to rotate the ball screw 12 by a worker, and meanwhile, the moving table 2 is driven to slide on the upper surface of the rotating disc 1 under the limit action of the limit post 10, so that the device is applicable to processing eccentric workpieces with different eccentric amounts.

The implementation principle of the adjustable eccentric clamp of the numerical control machine tool is that the device is clamped on a cutting machining rotating shaft of the numerical control machine tool, so that the axis of a rotating disc 1 is aligned with the axis of the rotating shaft of the machine tool, then an eccentric workpiece is placed on the upper surface of a moving table 2, then a worker rotates a double-head screw 8, so that two sliding blocks 7 are driven to slide relatively on the inner wall of a first sliding groove 6, two clamping plates 3 are driven to slide relatively on the upper surface of the moving table 2, further the adjustable eccentric clamp can be suitable for stably clamping and fixing eccentric workpieces with different diameters, further stability of the eccentric workpieces in the machining process is guaranteed, then the worker rotates a ball screw 12 according to different eccentric amounts of the workpieces to be machined, and meanwhile, under the limiting effect of a limiting column 10, the worker drives the moving table 2 to slide a certain distance on the upper surface of the rotating disc 1, so that the axis of the eccentric workpiece translates a certain distance relative to the axis of the rotating disc 1, and a marking on the moving table 2 is aligned with a certain value of a scale mark on a measuring plate 5, so that the moving table 2 can be accurately moved, and thus the eccentric workpieces can be stably clamped and accurately machined.

In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, where "up," "down," "left," "right," etc. are merely used to indicate relative positional relationships, and when the absolute position of an object to be described changes, the relative positional relationships may change;

In the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other without conflict;

Finally, the foregoing description of the preferred embodiment of the utility model is provided for the purpose of illustration only, and is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims (5)

1. The utility model provides an adjustable eccentric fixture of digit control machine tool, includes rolling disc (1), its characterized in that the upper surface sliding connection of rolling disc (1) has movable table (2), the upper surface sliding connection of movable table (2) has two splint (3), side groove (4) have been seted up to the side surface of movable table (2), the upper surface fixedly connected with of rolling disc (1) measures board (5), just movable table (2) with the side surface relative slip of measuring board (5), the upper surface of measuring board (5) is provided with the scale mark, the upper surface of movable table (2) is provided with the alignment mark.

2. The adjustable eccentric clamp of the numerical control machine tool according to claim 1, wherein a first chute (6) is formed in the upper surface of the mobile station (2), sliding blocks (7) are fixedly connected to the lower surfaces of the two clamping plates (3), and the two sliding blocks (7) slide relative to the inner wall of the first chute (6).

3. The adjustable eccentric clamp of the numerical control machine tool according to claim 2, wherein the inner wall of the first sliding groove (6) is rotatably connected with a double-headed screw (8), and the outer surface of the double-headed screw (8) is oppositely combined with the two sliding blocks (7).

4. The adjustable eccentric clamp of the numerical control machine tool according to claim 1, wherein a second sliding groove (9) is formed in the upper surface of the rotating disc (1), a limiting column (10) is fixedly connected to the inner wall of the second sliding groove (9), and the outer surface of the limiting column (10) and the moving table (2) slide relatively.

5. The adjustable eccentric clamp of the numerical control machine tool according to claim 1, wherein a third sliding groove (11) is formed in the upper surface of the rotating disc (1), a ball screw (12) is rotatably connected to the inner wall of the third sliding groove (11), and the outer surface of the ball screw (12) is in relative rotation with the moving table (2).