CN205967803U - Work piece size measurement's two coordinate numerical control workbench can carry out - Google Patents

Abstract

The utility model discloses a two-coordinate numerical control workbench capable of measuring the size of workpieces, which successively comprises a connected base, two upper and lower layers respectively linearly moving along the X and Y directions, and a workbench top, from bottom to top. The base is fixedly installed with a Y-direction column and an X-direction column. The Y-direction column is provided with a Y-direction limit switch. The positions in the X direction and the X direction; the table surface of the workbench is rectangular, and the X direction and Y direction limit blocks are fixed on the adjacent sides of the X direction and the Y direction. The utility model can determine the initial position of the workpiece, determine the size of the workpiece under the joint action of the limit block and the limit switch, and perform positioning. The utility model has a simple structure, facilitates the positioning of the workpiece size, and has certain application value.

Description

A two-coordinate CNC workbench capable of measuring workpiece dimensions

technical field

The utility model relates to a numerical control processing workbench, which belongs to the field of mechanical equipment, in particular to a two-coordinate numerical control workbench capable of measuring workpiece dimensions.

Background technique

The two-coordinate CNC workbench is an important equipment to realize plane coordinate movement in CNC machining. In contact machining, it is often necessary to locate the workpiece through contact equipment. However, for non-contact processing such as laser processing, especially in laser internal engraving processing, under the premise of known basic dimensions, the positioning of the workpiece needs to be determined by adjusting the position of the limit block in the X and Y directions of the table surface. Inaccurate and low positioning efficiency. In addition, since the limit blocks in the X and Y directions of the workbench are unilaterally limited, there is a machining error of 0.1mm~1mm in the workpiece, which will cause a positioning error of the workpiece.

Therefore, it is necessary to provide a numerical control workbench that can be used for workpiece size detection and positioning on the basis of the traditional workbench, which can improve the positioning accuracy and positioning efficiency.

Utility model content

In order to overcome the deficiencies of the above-mentioned prior art, the utility model provides a two-coordinate numerical control workbench capable of automatically detecting and locating the workpiece size.

The utility model is achieved through the following technical solutions:

A two-coordinate numerical control workbench capable of measuring the size of workpieces comprises, from bottom to top, a connected base, a two-coordinate drive mechanism for moving linearly along the X and Y directions on the upper and lower layers, and a workbench top,

The base is fixedly installed with a Y-direction column and an X-direction column. The Y-direction column is provided with a Y-direction limit switch. The position in the X direction and the X direction; the table surface of the workbench is rectangular, and the X direction limit block and the Y direction limit block are fixed on the adjacent sides of the X direction and the Y direction to determine the initial position of the workpiece.

Further, the two-coordinate driving mechanism includes a lower X-direction driving mechanism and an upper Y-direction driving mechanism arranged in a cross-orthogonal arrangement.

Further, the lower X-direction drive mechanism includes a square groove-shaped X-direction base with X-direction guide rails on the long side, and an X-direction frame, X-direction motor, X-direction coupling, The X-direction screw support seat, the X-direction screw rod, and the X-direction screw fixing seat, the middle part of the X-direction screw rod is provided with a matching X-direction nut, and the X-direction nut is fixed with the X-direction guide rail. Slide the X-direction slider for the fit.

Further, the upper Y-direction driving mechanism includes a square groove-shaped Y-direction base with a Y-direction guide rail on the long side, and a Y-direction frame, a Y-direction motor, a Y-direction coupling, Y-direction screw support seat, Y-direction screw rod, and Y-direction screw fixing seat, the middle part of the Y-direction screw rod is provided with a matching Y-direction screw nut, which is fixedly connected with the workbench table that slides and fits with the Y-direction guide rail on the Y-direction silk mother.

Further, the limit switch in the Y direction and the limit switch in the X direction are micro switches.

The utility model is proposed for the use of the traditional two-coordinate numerical control workbench in non-contact processing, especially in the laser internal engraving process, where the workpiece positioning is inaccurate and the positioning efficiency is low. It is an improvement on the existing two-coordinate numerical control workbench an improvement of . It fixes the limit block on one side of the X, Y direction of the stage, and the other side of the X, Y direction is the diagonal direction of the limit block, and installs a limit switch fixed on the column to realize the size detection and precision of the workpiece. position. The utility model has the advantages of simple structure and convenient operation, and is suitable for workpiece positioning in non-contact processing.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of an embodiment of the utility model.

Figure 2 is a schematic diagram of the structure of the X-direction drive mechanism of the two-coordinate CNC workbench.

Figure 3 is a schematic diagram of the workbench structure of the two-coordinate CNC workbench.

The figure shows: 1-base; 2-base in X direction; 3-rack in X direction; 4-motor in X direction; 5-coupling in X direction; 6-screw support base in X direction; Guide rail; 8- base in Y direction; 9- slider in Y direction; 10- table top; 11- guide rail in Y direction; 12- screw rod in Y direction; -Y direction limit switch; 16-X direction limit switch; 17-X direction column; 18-X direction limit block; 19-Y direction limit block; 20-X direction screw holder; 21-X direction Screw rod; 22-Y direction screw support seat; 23-Y direction shaft coupling; 24-X direction slider; 25-X direction screw nut; 26-Y direction motor; 27-Y direction frame.

detailed description

In order to better understand the present invention, the utility model will be further described below in conjunction with the accompanying drawings and examples, but the protection scope of the present invention is not limited to the range indicated by the examples.

As shown in Fig. 1 and Fig. 2, a two-coordinate numerical control workbench capable of measuring the size of workpieces includes, from bottom to top, a connected base 1 and a two-coordinate drive mechanism that moves linearly along the X and Y directions on the upper and lower layers, respectively. 1. The workbench top 10, the base 1 is fixedly equipped with a Y-direction column 14 and an X-direction column 17, the Y-direction column 14 is provided with a Y-direction limit switch 15, and the X-direction column 17 is provided with an X-direction The limit switch 16, the Y direction limit switch 15 and the X direction limit switch 16 are micro switches, which are respectively used to detect the positions of the workbench top 10 in the Y direction and the X direction; the workbench top 10 is rectangular, And on the adjacent sides of X direction and Y direction, X direction limiting block 18 and Y direction limiting block 19 are fixed (see FIG. 3 ).

The two-coordinate driving mechanism includes a lower X-direction driving mechanism and an upper Y-direction driving mechanism arranged in a cross-orthogonal arrangement.

Specifically, the X-direction driving mechanism of the lower floor includes a square groove-shaped X-direction base 2 provided with an X-direction guide rail 7 on the long side, and an X-direction frame 3, an X-direction motor 4, X-direction coupling 5, X-direction screw support seat 6, X-direction screw rod 21, X-direction screw fixing seat 20, the middle part of the X-direction screw rod 21 is provided with a matching X-direction nut 25, the An X-direction slider 24 is fixed on the X-direction nut 25 to slide and cooperate with the X-direction guide rail 7 .

Specifically, the Y-direction driving mechanism of the upper layer comprises a square groove-shaped Y-direction base 8 provided with a Y-direction guide rail 11 on the long side, and a Y-direction frame 27, a Y-direction motor 26, Y-direction coupling 23, Y-direction screw support seat 22, Y-direction screw rod 12, Y-direction screw fixing seat 13, the middle part of the Y-direction screw rod 12 is provided with a matching Y-direction nut, and The workbench surface 10 slidably matched with the guide rail 11 in the Y direction is fixedly connected to the nut in the Y direction.

When this embodiment is working, the workbench is started by using the numerical control device, and the X direction motor 4 and the Y direction motor 26 are driven to reset, so that the workbench surface 10 returns to the coordinate zero point, and the workbench surface 10 is in a ready state.

Next, carry out size detection, place the workpiece on the table top 10, and the workpiece must be close to the X-direction limit block 18 and the Y-direction limit block 19, and then drive the X-direction motor 4 and the Y-direction motor 26 simultaneously through the control device, Make the workbench 10 move towards the Y direction limit switch 15 and the X direction limit switch 16. When the workpiece contacts one of the limit switches, the workbench 10 stops moving in this direction, the corresponding motor stops, and the workbench 10 Continue to move in the other direction until the workpiece touches another limit, the motor stops, and the workpiece size detection is completed.

Finally, according to the measured workpiece size and processing requirements, the X-direction motor 4 and the Y-direction motor 26 are simultaneously or separately driven to make the workpiece reach a designated position.

The utility model realizes the combination of coordinate movement, workpiece size detection and positioning functions in structure, and has simple operation and strong practicability.

The above-mentioned embodiments of the present utility model are only examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the utility model shall be included in the protection scope of the claims of the utility model.

Claims (5)

1. a kind of two coordinate numerical control table, NC tables carrying out workpiece size measurement, include the substrate being connected from the bottom to top successively (1), upper and lower two-layer respectively along X, Y-direction rectilinear movement two coordinate drive mechanisms, table surface (10) it is characterised in that：

Described substrate (1) is installed with Y-direction column (14), X-direction column (17), and described Y-direction column (14) is upper to be arranged There is Y-direction limit switch (15), described X-direction column (17) is provided with X-direction limit switch (16), be respectively used to detect work Station table top (10) Y-direction and the position of X-direction；Described table surface (10) is rectangle, and adjacent in X-direction, Y-direction Side is fixed with X-direction limited block (18), Y-direction limited block (19).

2. the two coordinate numerical control table, NC tables carrying out workpiece size measurement according to claim 1 it is characterised in that：Described Two coordinate drive mechanisms include lower floor's X-direction drive mechanism of the orthogonal setting in cross and upper strata Y-direction drive mechanism.

3. the two coordinate numerical control table, NC tables carrying out workpiece size measurement according to claim 2 it is characterised in that：Described Lower floor's X-direction drive mechanism includes long side and is provided with square groove shape X-direction base (2) of X-direction guide rail (7) and being sequentially connected setting Put X-direction frame (3) in X-direction base (2), X-direction motor (4), X-direction shaft coupling (5), X-direction leading screw support base (6), X-direction screw mandrel (21), X-direction leading screw fixed seat (20), is provided with, in the middle part of described X-direction screw mandrel (21), the X side matching To screw (25), described X-direction screw (25) is fixed with the X-direction slide block being slidably matched with described X-direction guide rail (7) (24).

4. the two coordinate numerical control table, NC tables carrying out workpiece size measurement according to claim 2 it is characterised in that：Described Upper strata Y-direction drive mechanism includes long side and is provided with square groove shape Y-direction base (8) of Y-direction guide rail (11) and is sequentially connected Y-direction frame (27) in base (8), Y-direction motor (26), Y-direction shaft coupling (23), Y-direction leading screw prop up in the Y direction for setting Support seat (22), Y-direction screw mandrel (12), Y-direction leading screw fixed seat (13), are provided with the middle part of described Y-direction screw mandrel (12) and match Y-direction screw, the table surface (10) being slidably matched with described Y-direction guide rail (11) is fixedly connected on described Y-direction silk On mother.

5. the two coordinate numerical control table, NC tables carrying out workpiece size measurement according to claim 1 it is characterised in that：Described Y-direction limit switch (15) and X-direction limit switch (16) are microswitch.