CN111069974A - Machine tool performance detection system and detection method - Google Patents
Machine tool performance detection system and detection method Download PDFInfo
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- CN111069974A CN111069974A CN201911415140.4A CN201911415140A CN111069974A CN 111069974 A CN111069974 A CN 111069974A CN 201911415140 A CN201911415140 A CN 201911415140A CN 111069974 A CN111069974 A CN 111069974A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
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Abstract
The invention discloses a machine tool performance detection system and a detection method, belonging to the technical field of industrial detection; the method comprises the steps of power detection, horizontal performance detection, feeding detection, machining platform detection, positioning performance detection and precision detection; the power detection is used for determining the stability of the machine tool braking power source, the power detection comprises a current instrument panel and a rotating speed instrument panel, the current instrument panel is used for measuring current data between the braking power source and the power supply, and the rotating speed instrument panel is used for measuring the transmission rate data of the braking power source; the horizontal performance detection is used for measuring the corners, the local horizontal position and the horizontal stability of the machine tool, the horizontal performance detection comprises a level meter, the reliability, stability and horizontal position measurement of each assembling part of the machine tool can be completed through an instrument panel, a dial indicator and the level meter which are arranged at fixed points in the front and at the back, so that the detection personnel can conveniently compare, analyze and measure the performance of the machine tool, the output data of the detection personnel visually reflect each performance of the machine tool, and the subsequent working personnel can conveniently correct the machine tool.
Description
Technical Field
The invention relates to the technical field of industrial detection, in particular to a machine tool performance detection system and a detection method.
Background
The numerical control machine tool is the basis of the modern mechanical manufacturing industry, the precision of the numerical control machine tool directly influences the quality of a processed product, the existing numerical control machine tool mostly adopts multi-axis driving to meet the requirement of fixed-point movement of an axial track, and compared with the traditional numerical control machine tool, the position precision and the horizontal stability of a multi-axis driving structure are more important;
when the numerically-controlled machine tool is braked, the horizontal stability performance and the movement precision of machining parts of each part and a local transmission workpiece of the machine tool directly influence the machining quality, the existing performance detection mode which is satisfied with a multi-shaft driving machine tool is lack of measurement on each braking key part in the machine tool, further the development of machine tool correction and maintenance work is limited, and the machining precision and the stability of the machine tool directly restrict the machining yield of products along with the lapse of the working time.
Disclosure of Invention
Solves the technical problem
The invention aims to provide a machine tool performance detection system and a detection method aiming at the problems, wherein the system comprises power detection, horizontal performance detection, feeding detection, processing platform detection, positioning performance detection and precision detection;
the power detection is used for determining the stability of a braking power source of the machine tool, the power detection comprises a current instrument panel and a rotating speed instrument panel, the current instrument panel is used for measuring current data between the braking power source and a power supply, and the rotating speed instrument panel is used for measuring transmission rate data of the braking power source;
the level performance detection is used for measuring the corners of the machine tool, the local horizontal position and the horizontal stability, the level performance detection comprises a level meter, the level meter is arranged at each corner position of a machine tool machining area according to the horizontal height and the length of the machine tool, and the level meter measures the horizontal height difference of each point by carrying out multi-point height measurement;
the feeding detection is used for measuring the stability of the track parts in the X-axis, Y-axis and Z-axis directions of the machine tool, the feeding detection comprises a PLC (programmable logic controller) module of the machine tool, the feeding detection controls the feeding of the track parts in the X-axis, Y-axis and Z-axis directions of the machine tool through the PLC module, and the PLC module sets an initial value and a limiting value through setting an initial feeding position and a limiting position;
the machining platform detection is used for measuring the stability of a machining platform of the machine tool, the machining platform detection comprises bearing structure measurement and bearing structure corner position offset correction, and the machining platform detection data comprises platform structure height and horizontal offset;
the positioning performance detection comprises a processing head part, the positioning performance detection is used for measuring X-axis, Y-axis and Z-axis direction tracks in a machine tool and the positioning performance of the processing head part, the positioning performance detection is controlled by a PLC industrial control module in feed detection, and the positioning performance detection is judged according to the stability degree of the X-axis, Y-axis and Z-axis direction tracks when a machine tool lead screw moves;
the precision detection is used for measuring the position precision of the X-axis, Y-axis and Z-axis track components and the brake positioning of the lead screw, and is based on the initial position and the limit position of the track components set in the feeding detection and the analysis and judgment of the stability of the track components in the direction measured in the positioning performance detection.
Furthermore, the current instrument panel and the rotating speed instrument panel are connected in series and arranged between the braking power source and the PLC industrial control module.
Furthermore, the positioning positions of the measuring feet of the level meter in the level performance detection are set according to the side length of the machine tool, the positions of the measuring feet of the level meter are at least eight positioning points, and the positioning points are distributed at equal intervals.
Furthermore, the feeding structure further comprises correction of X-axis, Y-axis and Z-axis direction tracks of the machine tool, and the X-axis, Y-axis and Z-axis direction tracks of the machine tool are driven by a brake power source of the machine tool based on a lead screw.
Further, the machining platform detection device also comprises a plurality of dial indicators, and the dial indicators are fixed at two ends of the edge of the machine tool through bolt pieces to measure the horizontal deviation of the machining platform.
Furthermore, the positioning performance detection analyzes the positioning performance through position difference comparison by recording the moving positions of the X-axis, Y-axis and Z-axis direction tracks and the moving positions of the machining head components for multiple times.
Further, the precision detection comprises recording the rotation speed data of the lead screw and the initial position and the limit position data of the track part.
The detection method adopting the machine tool performance detection system comprises the following steps:
step one, after a power supply of a machine tool is turned off, a current instrument panel is connected in series with a circuit between a transmission motor and a PLC industrial control module, and a rotating speed instrument panel is connected in series with a circuit between the transmission motor and the power supply;
secondly, firstly arranging a level probe in the middle of the machine tool to return the numerical value to zero, then arranging the level probe in the corner position of the machine tool, enabling the measuring position of the probe to be distributed along the outer side of the machine tool at equal intervals according to the total length of the side of the machine tool, recording the horizontal positions of eight points of the machine tool according to the level probe, comparing the difference value of the height of the horizontal position of the edge with the height of the horizontal position of the center, and analyzing the level of the machine tool;
step three, fixedly arranging a plurality of dial indicators at each corner of the processing platform, recording the horizontal height value of each corner of the processing platform through the dial indicators, and analyzing the processing platform through difference comparison by a detector;
fourthly, the detection personnel opens the machine tool system through the PLC industrial control module, and sets and records the initial position and the limit position of the machine tool in the X-axis, Y-axis and Z-axis directions when the track part is braked through the PLC industrial control module;
and fifthly, starting the machine tool by a tester through the PLC, simulating the operation state of the machine tool in the machining process, recording the real-time positions of the machine tool in the X-axis, Y-axis and Z-axis directions during track braking, comparing the real-time positions with the previous initial position and the limit position, measuring the transmission data of the brake motor and the lead screw according to a current instrument panel and a rotating speed instrument panel in the machine tool braking process, comparing the difference value according to the measured data before and after, and analyzing and calculating.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. in the scheme, the system carries out one-to-one detection according to each assembled machining part in a machine tool, the detection process successively carries out recording detection on a power source of the machine tool, a brake motor, a power supply source, lead screw transmission data and brake motor output power data according to the power source, the brake motor, the power supply source, the lead screw transmission data and the brake motor output power data, the stability and the horizontal position precision of the machine tool main body, a machining platform are detected through a level meter and a dial indicator, the difference value comparison of a preset initial value and a limit value with a real-time initial value and a limit value is carried out according to the multi-axis direction track feeding position of the machine tool set by a PLC module of a machine tool control system, the positioning performance and the braking precision of the machine tool in the machine tool system are analyzed and calculated, so that a detector can compare the measured data, compare the visual inspection and the, the subsequent workers can conveniently correct the precision and the position of the machine tool according to the position data.
2. According to the machine tool performance detection system and the machine tool performance detection method, data measurement is completed in the detection process according to the instrument panel, the level meter and the dial indicator which are arranged at fixed points, the investment in the initial detection work stage is small, the data measurement of each component in the detection process is not interfered with each other, and the front and back logic measurement requirements are absent, so that the performance detection process is simplified, the synchronous detection and the output of the machine tool performance data are completed, the efficiency of the detection method is improved, and the applicability is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic diagram of the power detection module of the present invention.
FIG. 3 is a schematic diagram of a horizontal performance detection module according to the present invention.
Fig. 4 is a schematic structural diagram of a feeding detection module of the present invention.
FIG. 5 is a schematic structural diagram of a detection module of the processing platform of the present invention.
Fig. 6 is a schematic structural diagram of a positioning performance detecting module according to the present invention.
FIG. 7 is a schematic diagram of a precision detection module according to the present invention.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
With reference to fig. 1-7, the present invention discloses a machine tool performance detection system, which includes power detection, horizontal performance detection, feed detection, machining platform detection, positioning performance detection and precision detection;
the power detection is used for determining the stability of a braking power source of the machine tool, the power detection comprises a current instrument panel and a rotating speed instrument panel, the current instrument panel is used for measuring current data between the braking power source and a power supply, the rotating speed instrument panel is used for measuring transmission rate data of the braking power source, and the current instrument panel and the rotating speed instrument panel are arranged between the braking power source and the PLC industrial control module in series;
the first embodiment is as follows:
after a power supply of the machine tool is turned off, the current instrument panel is serially connected with a circuit between the transmission motor and the PLC industrial control module, the rotating speed instrument panel is serially connected between the transmission motor and the power supply circuit, wherein the measurement specifications of the current instrument panel and the rotating speed instrument panel are determined according to the power of the machine tool and the power of the brake motor, and the selected specification and type of the rotating speed instrument panel are not unique according to different braking power sources of the machine tool.
The level performance detection is used for determining the corners of the machine tool, the local horizontal position and the horizontal stability, the level performance detection comprises a level meter, the level meter detection is arranged at each corner position of a machine tool machining area according to the horizontal height and the length of the machine tool, the level meter measures the horizontal height difference of each point by measuring the heights of multiple points, the positioning positions of the measuring feet of the level meter in the level performance detection are arranged according to the side length of the machine tool, the positions of the measuring feet of the level meter are at least eight positioning points, and the positioning points are distributed at equal intervals;
example two:
the method comprises the steps of firstly arranging a level probe in the middle of a machine tool to return the numerical value to zero, then arranging the level probe in the corner position of the machine tool, measuring the position of the probe according to the total length of the side of the machine tool, distributing the probe along the outer side of the machine tool at equal intervals, recording the horizontal positions of eight points of the machine tool according to the level probe, comparing the difference value of the horizontal position height of the edge with the horizontal height of the center, and analyzing the level of the machine tool.
The feeding detection is used for measuring the stability of the track parts in the X-axis, Y-axis and Z-axis directions of the machine tool, the feeding detection comprises a PLC (programmable logic controller) industrial control module of the machine tool, the feeding detection controls the feeding of the track parts in the X-axis, Y-axis and Z-axis directions of the machine tool through the PLC industrial control module, the PLC industrial control module sets an initial value and a limit value through setting a feeding initial position and a limit position, the feeding structure further comprises the correction of the tracks in the X-axis, Y-axis and Z-axis directions of the machine tool, and the tracks in the X-axis, Y-axis and Z-;
the machining platform detection is used for measuring the stability of the machining platform of the machine tool, the machining platform detection comprises bearing structure measurement and bearing structure corner position offset correction, the machining platform detection data comprises platform structure height and horizontal offset, the machining platform detection also comprises a plurality of dial indicators, and the dial indicators are fixed at two ends of the edge of the machine tool through bolt pieces to measure the horizontal offset of the machining platform;
example three:
through with a plurality of amesdials fixed set up in each corner of processing platform, come through the level numerical value of amesdial record each corner of processing platform, the measurement personnel carry out the analysis to processing platform through the difference comparison.
The positioning performance detection comprises a processing head part, the positioning performance detection is used for measuring X-axis, Y-axis and Z-axis direction tracks in a machine tool and the positioning performance of the processing head part, the positioning performance detection is controlled by a PLC industrial control module in feed detection, the positioning performance detection is judged according to the stability degree of the X-axis, Y-axis and Z-axis direction tracks when a machine tool lead screw moves, and the positioning performance detection analyzes the positioning performance through position difference comparison by recording the moving positions of the X-axis, Y-axis and Z-axis direction tracks and the moving position of the processing head part for many times;
the precision detection is used for measuring the position precision of the X-axis, Y-axis and Z-axis track parts and the brake positioning of the lead screw, the precision detection is based on the initial position and the limit position of the track parts set in the feeding detection and the analysis and judgment of the stability of the track parts in the direction measured in the positioning performance detection, and the precision detection comprises the recording of the rotating speed data of the lead screw and the initial position and the limit position data of the track parts.
Example four:
a detector opens a machine tool system through the PLC industrial control module, sets initial positions and limit positions of the machine tool in X-axis, Y-axis and Z-axis directions when the rail part brakes through the PLC industrial control module, and records the initial positions and the limit positions;
a tester starts the machine tool through the PLC module to simulate the operation state of the machine tool in the machining process, records the real-time positions of the machine tool in X-axis, Y-axis and Z-axis track braking, compares the real-time positions with the previous initial position and the limit position, measures the transmission data of a brake motor and a lead screw according to a current instrument panel and a rotating speed instrument panel in the machine tool braking process, compares the difference value according to the measured data before and after the tester performs analysis and calculation.
Here, the upper, lower, left, right, front, and rear represent only relative positions thereof and do not represent absolute positions thereof. The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A machine tool performance detection system, characterized by:
the method comprises the steps of power detection, horizontal performance detection, feeding detection, machining platform detection, positioning performance detection and precision detection;
the power detection is used for determining the stability of a braking power source of the machine tool, the power detection comprises a current instrument panel and a rotating speed instrument panel, the current instrument panel is used for measuring current data between the braking power source and a power supply, and the rotating speed instrument panel is used for measuring transmission rate data of the braking power source;
the level performance detection is used for measuring the corners of the machine tool, the local horizontal position and the horizontal stability, the level performance detection comprises a level meter, the level meter is arranged at each corner position of a machine tool machining area according to the horizontal height and the length of the machine tool, and the level meter measures the horizontal height difference of each point by carrying out multi-point height measurement;
the feeding detection is used for measuring the stability of the track parts in the X-axis, Y-axis and Z-axis directions of the machine tool, the feeding detection comprises a PLC (programmable logic controller) module of the machine tool, the feeding detection controls the feeding of the track parts in the X-axis, Y-axis and Z-axis directions of the machine tool through the PLC module, and the PLC module sets an initial value and a limiting value through setting an initial feeding position and a limiting position;
the machining platform detection is used for measuring the stability of a machining platform of the machine tool, the machining platform detection comprises bearing structure measurement and bearing structure corner position offset correction, and the machining platform detection data comprises platform structure height and horizontal offset;
the positioning performance detection comprises a processing head part, the positioning performance detection is used for measuring X-axis, Y-axis and Z-axis direction tracks in a machine tool and the positioning performance of the processing head part, the positioning performance detection is controlled by a PLC industrial control module in feed detection, and the positioning performance detection is judged according to the stability degree of the X-axis, Y-axis and Z-axis direction tracks when a machine tool lead screw moves;
the precision detection is used for measuring the position precision of the X-axis, Y-axis and Z-axis track components and the brake positioning of the lead screw, and is based on the initial position and the limit position of the track components set in the feeding detection and the analysis and judgment of the stability of the track components in the direction measured in the positioning performance detection.
2. The machine tool performance detection system of claim 1, wherein: the current instrument panel and the rotating speed instrument panel are connected in series and are arranged between the braking power source and the PLC industrial control module.
3. The machine tool performance detection system of claim 1, wherein: the positioning positions of the measuring feet of the level meter in the level performance detection are set according to the side length of the machine tool, the positions of the measuring feet of the level meter are at least eight positioning points, and the positioning points are distributed at equal intervals.
4. The machine tool performance detection system of claim 1, wherein: the feeding structure further comprises machine tool X-axis, Y-axis and Z-axis direction track correction, and the machine tool X-axis, Y-axis and Z-axis direction tracks are driven by a machine tool braking power source based on a lead screw.
5. The machine tool performance detection system of claim 1, wherein: the machining platform detection device further comprises a plurality of dial indicators, and the dial indicators are fixed at two ends of the edge of the machine tool through bolt pieces to measure the horizontal deviation of the machining platform.
6. The machine tool performance detection system of claim 1, wherein: and the positioning performance detection analyzes the positioning performance through position difference comparison by recording the moving positions of the X-axis, Y-axis and Z-axis direction tracks and the moving positions of the machining head components for many times.
7. The machine tool performance detection system of claim 1, wherein: and the precision detection comprises recording the rotation speed data of the lead screw and the initial position and the limit position data of the track part.
8. A method for detecting the performance of a numerical control machine tool, which is characterized by adopting the numerical control machine tool detection system as claimed in any one of claims 1 to 7 to detect, and comprises the following steps:
step one, after a power supply of a machine tool is turned off, a current instrument panel is connected in series with a circuit between a transmission motor and a PLC industrial control module, and a rotating speed instrument panel is connected in series with a circuit between the transmission motor and the power supply;
secondly, firstly arranging a level probe in the middle of the machine tool to return the numerical value to zero, then arranging the level probe in the corner position of the machine tool, enabling the measuring position of the probe to be distributed along the outer side of the machine tool at equal intervals according to the total length of the side of the machine tool, recording the horizontal positions of eight points of the machine tool according to the level probe, comparing the difference value of the height of the horizontal position of the edge with the height of the horizontal position of the center, and analyzing the level of the machine tool;
step three, fixedly arranging a plurality of dial indicators at each corner of the processing platform, recording the horizontal height value of each corner of the processing platform through the dial indicators, and analyzing the processing platform through difference comparison by a detector;
fourthly, the detection personnel opens the machine tool system through the PLC industrial control module, and sets and records the initial position and the limit position of the machine tool in the X-axis, Y-axis and Z-axis directions when the track part is braked through the PLC industrial control module;
and fifthly, starting the machine tool by a tester through the PLC, simulating the operation state of the machine tool in the machining process, recording the real-time positions of the machine tool in the X-axis, Y-axis and Z-axis directions during track braking, comparing the real-time positions with the previous initial position and the limit position, measuring the transmission data of the brake motor and the lead screw according to a current instrument panel and a rotating speed instrument panel in the machine tool braking process, comparing the difference value according to the measured data before and after, and analyzing and calculating.
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Application publication date: 20200428 |
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