CN213411919U

CN213411919U - Semi-automatic auxiliary aligning workbench for roundness measuring instrument

Info

Publication number: CN213411919U
Application number: CN202022328807.1U
Authority: CN
Inventors: 王轲; 张培国; 李鹏; 洪朋月; 马丽霞; 柳金星
Original assignee: Xi'an Wilson Precision Instruments Co ltd
Current assignee: Xi'an Wilson Precision Instruments Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-11
Anticipated expiration: 2030-10-19

Abstract

The utility model belongs to the technical field of precision measurement tools, and discloses a semi-automatic auxiliary aligning workbench for a roundness measuring instrument, which comprises an annular base and a workbench surface positioned in the base, wherein the bottom of the workbench surface is connected with an air floatation turntable, the workbench surface is driven by the air floatation turntable to do rotary motion, and an encoder is also arranged on the air floatation turntable; the automatic positioning device is characterized by further comprising a guide rail which is transversely arranged, a support is arranged on the guide rail in a sliding mode, a rotatable position sensor is connected onto the support, and the position sensor is located above the working table surface; and a plurality of aligning shafts are uniformly arranged on the outer ring of the base along the radial direction. Through the combined use of the position sensor and the aligning shaft, when a workpiece is measured, the workpiece is aligned, the real-time feedback of the readings of the position sensor is used as auxiliary data support for aligning shaft adjustment, so that aligning operation can be completed quickly and accurately, and the efficiency of workpiece aligning is greatly improved.

Description

Semi-automatic auxiliary aligning workbench for roundness measuring instrument

Technical Field

The utility model belongs to the technical field of the precision measurement instrument, a semi-automatic supplementary aligning workstation for roundness measuring equipment is related to.

Background

In the roundness or bounce measurement process, the rotation center of the workpiece and the rotation center of the air floatation rotary table need to be adjusted to be coincident as much as possible, so that the measurement error caused by the clamping of the external workpiece can be reduced to the minimum. However, in actual measurement at the present stage, a manual aligning workbench is used conventionally, which has high requirements on aligning skills of workers, and has low aligning efficiency and poor aligning precision.

Disclosure of Invention

The utility model provides a problem lie in providing a semi-automatic supplementary aligning workstation for roundness measuring equipment to solve among the prior art manual aligning workstation and require higher to staff's aligning technical ability, and the aligning inefficiency, the poor problem of aligning precision.

The utility model discloses a realize through following technical scheme:

a semi-automatic auxiliary aligning workbench for a roundness measuring instrument comprises an annular base and a workbench surface positioned in the base, wherein the bottom of the workbench surface is connected with an air floatation rotary table, the workbench surface is driven by the air floatation rotary table to do rotary motion, and an encoder is further arranged on the air floatation rotary table; the automatic positioning device is characterized by further comprising a guide rail which is transversely arranged, a support is arranged on the guide rail in a sliding mode, a rotatable position sensor is connected onto the support, and the position sensor is located above the working table surface; and a plurality of aligning shafts are uniformly arranged on the outer ring of the base along the radial direction.

The aligning shaft comprises an aligning X shaft, an aligning Y shaft and two aligning Z shafts which are sequentially distributed along the circumferential direction of the outer ring of the base.

The device also comprises a PLC, and the encoder and the position sensor are connected with the PLC.

The encoder is a circular grating encoder.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides an aligning workstation is through the combined use with position sensor and aligning axle, when measuring the work piece, carries out the aligning to the work piece earlier to the auxiliary data support of aligning axle adjustment is come as in the real-time feedback of position sensor registration, and then can be quick, the high accuracy is accomplished the aligning operation, has greatly improved the efficiency of work piece aligning.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure, 1-working table surface, 2-position sensor, 3-transverse guide rail, 4-aligning X axis and 5-aligning Y axis.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a semi-automatic auxiliary aligning workbench for a roundness measuring instrument, which is shown in figure 1 and comprises an annular base and a workbench surface 1 positioned in the base, wherein the bottom of the workbench surface 1 is connected with an air floatation turntable, the workbench surface 1 is driven by the air floatation turntable to do rotary motion, and an encoder is also arranged on the air floatation turntable; the device is characterized by further comprising a guide rail which is transversely arranged, a support is arranged on the guide rail in a sliding mode, a rotatable position sensor 2 is connected onto the support, and the position sensor 2 is located above the working table top 1; and a plurality of aligning shafts are uniformly arranged on the outer ring of the base along the radial direction. The position sensor 2 on the bracket is driven to move by sliding the bracket on the transverse guide rail 3, so that the position sensor 2 is positioned. And the position sensor 2 is connected on the bracket through a shaft so as to realize 360-degree rotation on the bracket.

The utility model provides an aligning workstation is through the combined use with position sensor 2 and aligning axle, when measuring the work piece, carries out the aligning to the work piece earlier to position sensor 2's real-time feedback comes as the auxiliary data support of aligning axle adjustment, and then can be quick, the high accuracy accomplishes the aligning operation, has greatly improved the efficiency of work piece aligning.

The aligning shaft comprises an aligning X shaft 4, an aligning Y shaft 5 and two aligning Z shafts which are sequentially distributed along the circumferential direction of the outer ring of the base, so that the adjustment of the workpiece in three directions is realized.

The device also comprises a PLC, and the encoder and the position sensor 2 are connected with the PLC.

The encoder is a circular grating encoder.

The specific adjustment steps when measuring the workpiece are as follows:

a) placing a workpiece to be detected on the working table top 1;

b) adjusting the position of a bracket on the transverse guide rail 3 to enable the position sensor 2 to contact the surface of the workpiece to be detected;

c) starting an air-floatation rotary table to drive a workpiece to be measured and the working table surface 1 to perform rotary motion, and simultaneously, performing equidistant acquisition on position information of a circle of the surface of the workpiece by a position sensor 2 under the triggering of an encoder;

d) after an acquisition period is finished, the PLC calculates through the information acquired by the position sensor 2 to give out corresponding aligning amount threshold values of all aligning shafts;

e) and according to the aligning amount threshold value recommended by the PLC, the aligning X shaft 4, the aligning Y shaft 5 and the aligning Z shaft are screwed to adjust the workpiece, and the real-time feedback of the readings of the position sensor 2 is observed to observe whether the workpiece is adjusted in place.

The content of the present invention is not limited to the examples, and any equivalent transformation adopted by the technical solution of the present invention is covered by the claims of the present invention by those skilled in the art through reading the present invention.

Claims

1. A semi-automatic auxiliary aligning workbench for a roundness measuring instrument is characterized by comprising an annular base and a workbench surface (1) positioned in the base, wherein an air floating shaft and a motor are arranged at the bottom of the workbench surface (1), one end of the air floating shaft is connected to the bottom surface of the workbench surface, the other end of the air floating shaft is connected with the motor through a lead screw, the workbench surface (1) is driven by the motor to do rotary motion, and an encoder is further arranged on the motor; the automatic feeding device is characterized by further comprising a guide rail which is transversely arranged, a support is arranged on the guide rail in a sliding mode, a position sensor (2) is arranged on the support through a shaft, and the position sensor (2) is located above the working table top (1); and an adjusting shaft connected with the edge of the working table is arranged on the outer ring of the base along the radial direction.

2. Semi-automatic auxiliary aligning table for roundness instruments according to claim 1, wherein the aligning shaft comprises an aligning X-axis (4), an aligning Y-axis (5) sequentially distributed along the circumferential direction of the outer ring of the base.

3. The semi-automatic auxiliary aligning table for the roundness measuring instrument according to claim 1, further comprising two tilt axes provided in a radial direction on an outer ring of the base.

4. Semi-automatic auxiliary centering table for roundness instruments according to claim 1, characterized by further comprising a PLC to which both said encoder and said position sensor (2) are connected.

5. The semi-automatic auxiliary aligning table for the roundness measuring machine according to claim 1, wherein the encoder is a circular grating encoder.