CN204770998U - Numerical control internal thread grinding center - Google Patents

Abstract

The utility model discloses a numerically controlled internal thread grinding center. The numerically controlled internal thread grinding center slides on a Z-axis guide rail through a Z-direction slide plate to respectively position the grinding main shaft of the outer circular end surface and the main shaft seat of the internal thread grinding to solve the problem of To complete the multi-process processing of ball nut outer circle, end face and internal thread on the same grinding center, the A-axis is set at the internal thread grinding spindle seat, which can realize the automatic swing angle of the internal thread grinding spindle helix angle, which can effectively The machining accuracy and machining efficiency are improved, and the manpower is saved. The utility model is used in the thread grinding center field.

Description

A CNC Internal Thread Grinding Center

technical field

The utility model relates to the field of numerical control machine tools, in particular to a numerical control internal thread grinding center.

Background technique

In order to achieve the purpose of completing the multi-process precision machining of the outer circle, end surface and inner thread of the ball nut through one machine tool, the previous internal thread grinding center adopts the method of setting different grinding heads on the same workbench. On the table, it is processed by sliding the tool on the table. This setting form effectively realizes the automatic compound processing of internal thread grinding, and improves the processing efficiency and precision of internal thread grinding in the past.

However, in this type of grinding center, the helix angle of the grinding wheel spindle for internal thread grinding is controlled manually, and its accuracy and efficiency are expected to be further improved.

Utility model content

In order to solve the above problems, the utility model provides a numerically controlled internal thread grinding center that can effectively improve machining accuracy and machining efficiency.

The technical scheme that the utility model solves its technical problem adopts is:

A CNC internal thread grinding center, comprising a T-shaped bed with X-axis guide rails and Z-axis guide rails, the Z-axis guide rail is provided with a Z-direction slide plate sliding along the Z-axis guide rail and fixed on the Z-direction slide plate The workpiece spindle on the X-axis guide rail is provided with an X-direction slide plate sliding along the X-axis guide rail and an outer circular end face grinding spindle and an internal thread grinding spindle seat fixed on the X-axis guide rail. The internal thread The grinding spindle seat is provided with a hinge seat and an internal thread grinding wheel shaft hinged on the top of the hinge seat. The front end of the internal thread grinding wheel shaft is provided with an internal thread grinding wheel capable of rotating around the shaft. The A-axis is set at the cutting spindle seat.

As a further improvement of the technical solution of the utility model, a manipulator installation position for clamping workpieces is provided at the internal thread grinding spindle seat.

As a further improvement of the technical solution of the utility model, a Z-direction slide table that can slide along the Z-axis direction is provided on the Z-direction slide plate, and an outer circular grinding wheel correction device is provided on the Z-direction slide table.

As a further improvement of the technical solution of the utility model, the workpiece spindle is a hollow shaft, and a hydraulic chuck controlled by a hydraulic cylinder is installed at the front end of the workpiece spindle.

Beneficial effects of the utility model: the CNC internal thread grinding center slides on the Z-axis guide rail through the Z-direction slide plate to position the external circular end surface grinding spindle and the internal thread grinding spindle seat respectively, so as to solve the problem of finishing on the same grinding center For the problem of multi-process processing of ball nut outer circle, end face and internal thread, the A-axis is set at the internal thread grinding spindle seat, which can realize the automatic swing angle of the internal thread grinding spindle helix angle, which can effectively improve the processing accuracy and processing efficiency. And energy-saving manpower.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is a three-dimensional schematic diagram of the overall structure of the utility model embodiment;

Fig. 2 is a top view of the overall structure of the embodiment of the utility model.

Detailed ways

Referring to Fig. 1 and Fig. 2, the utility model is a CNC internal thread grinding center, which includes a T-shaped bed with X-axis guide rail 2 and Z-axis guide rail 1, and the Z-axis guide rail 1 is provided with a The Z-direction slide plate 11 sliding on the guide rail 1 and the workpiece spindle 3 fixed on the Z-direction slide plate 11, the X-axis guide rail 2 is provided with an X-direction slide plate 21 sliding along the X-axis guide rail 2 and fixed on the X-direction slide plate 11 The outer circular end face grinding spindle 22 and the internal thread grinding spindle seat 23 on the slide plate 21, the internal thread grinding spindle seat 23 is provided with a hinged seat 24 and an internal thread grinding sand hinged on the top of the hinged seat 24 Wheel shaft 25, the front end of the internal thread grinding wheel shaft 25 is provided with an internal thread grinding wheel 26 capable of rotating around the axis, and the internal thread grinding main shaft seat 23 is provided with an A-axis.

This CNC internal thread grinding center slides the Z-direction slide plate 11 on the Z-axis guide rail 1 to position the external circular end surface grinding spindle 22 and the internal thread grinding spindle seat 23 respectively, so as to solve the problem of completing the outer surface of the ball nut on the same grinding center. For the problem of multi-process processing of circle, end face and internal thread, the A-axis is set at 23 places of the internal thread grinding spindle seat, which can realize the automatic swing angle of the internal thread grinding spindle helix angle, which can effectively improve the processing accuracy and processing efficiency, and save energy manpower.

As a preferred embodiment of the present invention, the internal thread grinding main shaft seat 23 is provided with a manipulator installation position 27 for clamping workpieces.

The manipulator installation position 27 is set on the grinding center, and the manipulator can be installed at the manipulator installation position 27 to realize the automatic loading and unloading of workpieces, which can realize the complete automation of the machine tool.

As a preferred embodiment of the present invention, the Z-direction slide plate 11 is provided with a Z-direction slide table that can slide along the Z-axis direction, and the Z-direction slide table is provided with an outer circular grinding wheel correction device.

As a preferred embodiment of the present invention, the workpiece spindle 3 is a hollow shaft, and the front end of the workpiece spindle 3 is equipped with a hydraulic chuck controlled by a hydraulic cylinder.

Of course, the present invention is not limited to the above-mentioned embodiments. Those skilled in the art can also make equivalent modifications or replacements without violating the spirit of the present utility model. These equivalent modifications or replacements are all included in the claims of this application. within the limited range.

Claims (4)

1. a digital-controlled internal screw grinding center, it is characterized in that: comprise the T-shaped lathe bed being provided with X-axis guide rail and Z axis guide rail, described Z axis guide rail be provided with along Z axis slide Z-direction slide plate and be fixed on work spindle on described Z-direction slide plate, described X-axis guide rail is provided with along the X of X-axis slide to slide plate and is fixed on described X to the circle end face grinding spindle on slide plate and internal thread grinding spindle seat, described internal thread grinding spindle seat is provided with hinged seat and is articulated with the internal thread abrasive grinding wheel axle on described hinged seat top, described internal thread abrasive grinding wheel axle front end is provided with the internal thread abrasive grinding wheel that can pivot, described internal thread grinding spindle seat place arranges A axle.

2. digital-controlled internal screw grinding center according to claim 1, is characterized in that: described internal thread grinding spindle seat place is provided with the manipulator installation position for clamping workpiece.

3. digital-controlled internal screw grinding center according to claim 1 and 2, is characterized in that: described Z-direction slide plate is provided with the Z-direction slide unit that can slide along Z-direction, and described Z-direction slide unit is provided with cylindrical wheel truing device.

4. digital-controlled internal screw grinding center according to claim 3, is characterized in that: described work spindle is hollow shaft, and the oild chuck controlled by hydraulic jack is equipped with in described work spindle front end.