阅读说明：本技术 一种加工路径智能调整测量结构及测量方法 (Intelligent adjustment measuring structure and method for machining path ) 是由 亢亚巍 陈冬 刘进奇 于 2020-06-29 设计创作，主要内容包括：一种加工路径智能调整测量结构及测量方法,包括调整测量结构主体和信号接收器；信号接收器固定安装在机床护罩上,且与测量结构主体无线连接；调整测量结构主体包括测针、测头、测头安装板、测头安装座和调整板；测针的尾端装在测头上,测头与信号接收器无线连接；测头固定在测头安装板上,测头安装板通过螺栓固定安装在测头安装座上,调整板固定在测头安装座顶部,调整板上设置有若干螺钉,螺钉与测头安装板连接。本发明将在机测量技术应用到数控内外圆磨床上,安装结构简单、对磨床改动小,且砂轮轴不需具备自动换刀功能,故便于应用。(An intelligent adjustment measuring structure and a measuring method for a processing path comprise an adjustment measuring structure main body and a signal receiver; the signal receiver is fixedly arranged on the machine tool protective cover and is in wireless connection with the measuring structure main body; the main body of the adjusting and measuring structure comprises a measuring needle, a measuring head mounting plate, a measuring head mounting seat and an adjusting plate; the tail end of the measuring needle is arranged on the measuring head, and the measuring head is in wireless connection with the signal receiver; the gauge head is fixed on the gauge head mounting panel, and the gauge head mounting panel passes through bolt fixed mounting on the gauge head mount pad, and the adjusting plate is fixed at gauge head mount pad top, is provided with a plurality of screws on the adjusting plate, and the screw is connected with the gauge head mounting panel. The invention applies the on-machine measurement technology to the numerical control internal and external grinding machine, has simple installation structure and small change on the grinding machine, and the grinding wheel shaft does not need to have the automatic tool changing function, thereby being convenient for application.)

1. An intelligent adjustment measuring structure of a processing path is characterized by comprising an adjustment measuring structure main body and a signal receiver (7); the signal receiver (7) is fixedly arranged on the machine tool shield and is in wireless connection with the measuring structure main body;

the main body of the adjusting and measuring structure comprises a measuring needle (2), a measuring head (3), a measuring head mounting plate (5), a measuring head mounting seat (6) and an adjusting plate (4); the tail end of the measuring needle (2) is arranged on the measuring head (3), and the measuring head (3) is in wireless connection with the signal receiver (7); the measuring head (3) is fixed on the measuring head mounting plate (5), the measuring head mounting plate (5) is fixedly mounted on the measuring head mounting seat (6) through a bolt, the adjusting plate (4) is fixed at the top of the measuring head mounting seat (6), a plurality of screws are arranged on the adjusting plate (4), and the screws are connected with the measuring head mounting plate (5).

2. The intelligent machining path adjusting and measuring structure as claimed in claim 1, wherein a positioning boss is designed at the back of the measuring head mounting plate (5), a positioning groove is formed in the measuring head mounting seat (6), the positioning boss is arranged in the positioning groove, and the positioning boss moves longitudinally in the positioning groove.

3. The intelligent adjustment measuring structure of processing path as claimed in claim 1, characterized in that the shape of the front end of the measuring needle (2) matches the shape of the workpiece.

4. The intelligent adjustment measuring structure of processing path as claimed in claim 1, wherein a protective cover (1) is arranged outside the main body of the adjustment measuring structure.

5. A measuring method of a processing path intelligent adjustment measuring structure, which is based on any one of claims 1 to 4, and comprises the following steps:

(1) before use, a measuring head and a workpiece need to be calibrated;

(2) after clamping the workpiece, detecting the end face of the workpiece from the axial direction by using a measuring head, and determining the position of the end face of the workpiece;

(3) selecting a plurality of data points on a workpiece bus, marking the current angle of the workpiece as 0 degree, and detecting the coordinates of the data points by using a measuring head; then fitting the actual axis position of the workpiece, comparing the axis with the axis of the grinding machine spindle, alarming if the deviation is greater than an allowable value, re-clamping, and automatically jumping to a machining program if the deviation is less than the allowable value;

(4) when a workpiece is processed, according to the bus coordinates obtained by the previous step, the processing initial coordinates of the workpiece are obtained through conversion; feeding the workpiece to a machining initial position, and starting machining according to the set cutting amount;

(5) and (4) after the machining is finished, re-detecting the position of the machining surface bus according to the method in the step (3), and judging whether the machining surface bus is qualified or not, or performing supplementary machining.

6. The method for measuring the intelligent adjustment measuring structure of the processing path according to claim 5, wherein the specific calibration method comprises the following steps: and (3) clamping a workpiece with a standard size on the jig as a tool setting reference of the measuring head and the workpiece, then respectively carrying out tool setting operation on the workpiece and the measuring head, and calculating the distance between the workpiece and the measuring head in the horizontal direction in a numerical control program according to the workpiece coordinate and the measuring head coordinate during tool setting.

Technical Field

The invention belongs to the technical field of machining path adjustment, and particularly relates to an intelligent machining path adjustment measuring structure and a measuring method.

Background

Disclosure of Invention

The invention aims to provide an intelligent adjustment measuring structure and a measuring method for a machining path, which aim to solve the problem that the cutting amount cannot be automatically measured and compensated in the process of grinding an inner circle and an outer circle.

In order to achieve the purpose, the invention adopts the following technical scheme:

an intelligent adjustment measuring structure for a processing path comprises an adjustment measuring structure main body and a signal receiver; the signal receiver is fixedly arranged on the machine tool protective cover and is in wireless connection with the measuring structure main body;

the main body of the adjusting and measuring structure comprises a measuring needle, a measuring head mounting plate, a measuring head mounting seat and an adjusting plate; the tail end of the measuring needle is arranged on the measuring head, and the measuring head is in wireless connection with the signal receiver; the gauge head is fixed on the gauge head mounting panel, and the gauge head mounting panel passes through bolt fixed mounting on the gauge head mount pad, and the adjusting plate is fixed at gauge head mount pad top, is provided with a plurality of screws on the adjusting plate, and the screw is connected with the gauge head mounting panel.

Furthermore, the back of the measuring head mounting plate is provided with a positioning boss, the measuring head mounting seat is provided with a positioning groove, the positioning boss is arranged in the positioning groove, and the positioning boss moves longitudinally in the positioning groove.

Furthermore, the shape of the front end of the measuring probe is matched with the shape of the workpiece.

Further, a protective cover is arranged on the outer side of the adjusting and measuring structure main body.

Further, a measuring method for intelligently adjusting a measuring structure of a processing path comprises the following steps:

(1) before use, a measuring head and a workpiece need to be calibrated;

(2) after clamping the workpiece, detecting the end face of the workpiece from the axial direction by using a measuring head, and determining the position of the end face of the workpiece;

(3) selecting a plurality of data points on a workpiece bus, marking the current angle of the workpiece as 0 degree, and detecting the coordinates of the data points by using a measuring head; then fitting the actual axis position of the workpiece, comparing the axis with the axis of the grinding machine spindle, alarming if the deviation is greater than an allowable value, re-clamping, and automatically jumping to a machining program if the deviation is less than the allowable value;

(4) when a workpiece is processed, according to the bus coordinates obtained by the previous step, the processing initial coordinates of the workpiece are obtained through conversion; feeding the workpiece to a machining initial position, and starting machining according to the set cutting amount;

(5) and (4) after the machining is finished, re-detecting the position of the machining surface bus according to the method in the step (3), and judging whether the machining surface bus is qualified or not, or performing supplementary machining.

Further, the specific calibration method comprises the following steps: and (3) clamping a workpiece with a standard size on the jig as a tool setting reference of the measuring head and the workpiece, then respectively carrying out tool setting operation on the workpiece and the measuring head, and calculating the distance between the workpiece and the measuring head in the horizontal direction in a numerical control program according to the workpiece coordinate and the measuring head coordinate during tool setting.

Compared with the prior art, the invention has the following technical effects:

the invention applies the on-machine measurement technology to the numerical control internal and external grinding machine, has simple installation structure and small change on the grinding machine, and the grinding wheel shaft does not need to have the automatic tool changing function, thereby being convenient for application.

The height adjusting device has a height adjusting function, and is convenient for more accurately adjusting the measuring head to be as high as the main shaft; .

The invention has the protection device, thereby effectively avoiding the influence of the cutting fluid on the service life and the precision of the measuring head in the processing process;

the invention can realize automatic detection of unqualified clamping, greatly shortens the detection time and can avoid error detection and missed detection compared with manual detection of workers;

the invention can realize automatic detection and compensation of machining allowance, greatly shorten the production preparation time and is suitable for continuous and automatic machining of mass products.

Drawings

FIG. 1 is a schematic diagram of an axial structure of the present invention.

Fig. 2 is a schematic structural diagram of the grinding machine of a certain type to which the present invention is applied.

FIG. 3 is a schematic diagram of a calibration method of the present invention before being applied to a workpiece measurement.

FIG. 4 is a schematic diagram of the X-direction measurement method applied to a workpiece according to the present invention.

FIG. 5 is a schematic view of the Z-direction measurement method of the present invention applied to a workpiece.

Wherein: 1-protective cover, 2-measuring needle, 3-measuring head, 4-adjusting plate, 5-measuring head mounting plate, 6-measuring head mounting seat, 7-receiver, 8-grinder body, 9-jig, 10-workpiece, 11-grinding wheel, 12-grinding wheel spindle and 13-the structure of the invention.

Detailed Description

The following embodiments of the present invention are provided, and it should be noted that the present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present invention are within the protection scope of the present invention.

According to the technical scheme, as shown in fig. 1 to 3, the embodiment provides an intelligent compensation structure and method for a machining path, and the automatic detection and compensation of the machining allowance of a workpiece are realized in the inner and outer circle grinding process.

The invention relates to an intelligent measuring structure of a processing path, which comprises an installation adjusting part, a protective cover 1 and a receiver 7;

the mounting and adjusting part mainly comprises a measuring needle 2, a measuring head 3, a measuring head mounting plate 5, a measuring head mounting seat 6 and an adjusting plate 4. During measurement, the front end of the measuring needle 2 needs to touch a measuring object by movement to realize contact measurement, and the front end of the measuring needle 2 can be made into different shapes to finish measurement of different workpiece shapes and measurement contents; the tail end of the measuring needle 2 is arranged on the measuring head 3, when the front end of the measuring needle 2 contacts a measuring object, the measuring head 3 sends out a wireless signal, and the signal is received by the receiver 7 and transmitted to the numerical control system through a data line for processing; the receiver 7 is fixedly arranged on the machine tool protective cover, and the installation angle of the receiver needs to be adjusted to reliably receive signals from the measuring head 3; the measuring head 3 is fixed on the measuring head mounting plate 5, and the height of the measuring head 3 can be adjusted along with the measuring head mounting plate 5 so as to be equal to the center of the grinding wheel in height; the measuring head mounting plate 5 is reliably mounted on the measuring head mounting seat 6 through bolts, and a positioning boss is designed on the back of the measuring head mounting plate 5 and can be matched with a positioning groove on the measuring head mounting seat 6, so that the movement of the measuring head mounting plate 5 in the X direction and the Z direction can be limited through the matching, and the measuring head mounting plate 5 can only be adjusted along the height direction; the adjusting plate 4 is fixed on the top of the measuring head mounting seat 6, is connected with the measuring head mounting plate 5 through an adjusting screw and is adjusted in the height direction, and the height of the axis of the measuring head and the axis of the grinding wheel is ensured to be equal; the protective cover is fixed on the measuring head mounting seat, so that cutting fluid in the machining process can be prevented from splashing to the measuring head, and the use stability of the measuring head is influenced.

The invention relates to an intelligent compensation method for a processing path, which comprises the following working processes:

(1) before the use, need mark measuring head, emery wheel, the concrete method is: clamping a workpiece with a standard size on a jig as a tool setting reference of a measuring head and a grinding wheel, then respectively carrying out tool setting operation on the grinding wheel and the measuring head, and calculating the distances m0(═ ZA-ZB) and n0(═ XA-XB) between the grinding wheel and the measuring head in the horizontal direction in a numerical control program according to grinding wheel coordinates (ZA, XA) and measuring head coordinates (ZB, XB) during tool setting;

(2) after clamping the part, detecting the end face of the part from the axial direction (Z direction) by using a measuring head, and determining the position Z0 of the end face of the part;

(3) several data points on a workpiece bus can be automatically selected through a program, the current angle of the workpiece is marked as 0 degree, and coordinates X1, X2 and X3 … of the several data points are detected by a measuring head; then automatically fitting the actual axis position of the workpiece in the program, comparing the axis with the axis of the spindle of the grinding machine, alarming if the deviation is greater than an allowable value, re-clamping, and automatically jumping to the processing program if the deviation is less than the allowable value;

(4) when the part is machined, the machining start coordinates ZL (Z0 + m0) and XL (X0 + n0, and X0 is the average value of X1, X2, and X3) of the grinding wheel are obtained through conversion according to the generatrix coordinates obtained through the previous calculation; feeding the grinding wheel to a machining initial position ZL, XL, and starting machining according to a set cutting amount;

(5) and (4) after the machining is finished, re-detecting the position of the machining surface bus according to the method in the step (3), and judging whether the machining surface bus is qualified or not, or performing supplementary machining.