CN212886550U - Numerical control machine tool error detection device based on multi-axis gyroscope - Google Patents
Numerical control machine tool error detection device based on multi-axis gyroscope Download PDFInfo
- Publication number
- CN212886550U CN212886550U CN202021121675.9U CN202021121675U CN212886550U CN 212886550 U CN212886550 U CN 212886550U CN 202021121675 U CN202021121675 U CN 202021121675U CN 212886550 U CN212886550 U CN 212886550U
- Authority
- CN
- China
- Prior art keywords
- machine tool
- control machine
- axis gyroscope
- digit control
- gyroscope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Numerical Control (AREA)
Abstract
The utility model relates to a digit control machine tool error detection device based on multiaxis gyroscope, including lathe workstation, headstock, stand, digit control machine tool cradle left arm, digit control machine tool cradle right arm, processing chuck and lathe main shaft, the stand passes through the slide rail and is connected with the headstock, the lathe main shaft is installed in the headstock, open a plurality of circular slot that has the matrix to arrange in the centre of lathe workstation, the digit control machine tool cradle is installed on the lathe workstation, the both ends at the digit control machine tool cradle are fixed respectively to digit control machine tool cradle left arm and digit control machine tool cradle right arm, its characterized in that: the device comprises a main shaft, a worktable, a machine tool cradle and a machining chuck, and is characterized by further comprising a first multi-axis gyroscope, a second multi-axis gyroscope, a third multi-axis gyroscope, a fourth multi-axis gyroscope and a fifth multi-axis gyroscope.
Description
Technical Field
The utility model relates to an instrument and meter technical field especially relates to a digit control machine tool error detection device based on multiaxis gyroscope.
Background
At present, the high-precision detection of a multi-axis machine tool mainly depends on a laser interferometer and a ball rod instrument. Laser interferometers in general may have the following drawbacks: 1. when a laser interferometer is used, large-range precision detection and real-time precision detection during processing cannot be effectively carried out; 2. in the practical application process, the difficulty of adjusting the laser interferometer is high, and the efficiency is low; 3. the floor area of the laser interferometer is large due to the limitation of space and field requirements; 4 the measuring cost of the instrument is higher.
Cue instruments may generally suffer from the following drawbacks: 1. the acquisition precision of the ball arm instrument is low; 2. the club instrument has a small identification range, and if the club instrument wants to identify the ball in a large range, the club instrument needs to be used for multiple times, and each point cannot be detected and compensated in real time; 3. the measurement error is a relative measurement mode, and the measurement precision depends on the assembly relation of the ball bar instrument and the machine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned technique, and provide a digit control machine tool error detection device based on multiaxis gyroscope.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: the utility model provides a digit control machine tool error detection device based on multiaxis gyroscope, includes lathe workstation, headstock, stand, digit control machine tool cradle left arm, digit control machine tool cradle right arm, processing chuck and machine tool spindle, the stand passes through the slide rail and is connected with the headstock, the machine tool spindle is installed in the headstock, open the centre of lathe workstation and have a plurality of circular slot that the matrix was arranged, the digit control machine tool cradle is installed on the lathe workstation, the both ends at the digit control machine tool cradle are fixed respectively to digit control machine tool cradle left arm and digit control machine tool cradle right arm, its characterized in that: the multi-axis gyroscope comprises a first multi-axis gyroscope, a second multi-axis gyroscope, a third multi-axis gyroscope, a fourth multi-axis gyroscope and a fifth multi-axis gyroscope; the first multi-axis gyroscope is installed in the circular groove, the second multi-axis gyroscope and the third multi-axis gyroscope are respectively installed on the left arm of the numerical control machine tool cradle and the right arm of the numerical control machine tool cradle, the fourth multi-axis gyroscope is installed on one side of the bottom of the machining chuck, and the fifth multi-axis gyroscope is installed on the upper end of the machine tool spindle.
The utility model has the beneficial effects that the device calculates through the gyroscope on the main shaft and the gyroscope on the workstation, confirm relative gesture between them, through the position that changes lathe cradle and processing chuck, guarantee the accuracy of main shaft and processing work piece position, reduce the reduction of precision on the machine tool mechanical parts that causes because of the increase of processing year, through the collection of the gyroscope vector position of different positions, come real-time location lathe error through certain algorithm again, be convenient for follow-up advance the digit control machine tool with the error compensation, thereby improve the real-time use precision of lathe workstation, do benefit to the later stage and implement the compensation analysis.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a diagram of the installation positions of the second gyroscope and the third gyroscope in the present invention;
FIG. 3 is a diagram of the fourth gyroscope installation position in the present invention;
fig. 4 is a diagram of a fifth gyroscope installation position in the present invention;
FIG. 5 is a diagram of the relationship between the spindle gyroscope and the first gyroscope on the stage.
Detailed Description
Spatially relative terms such as "above … …", "above … …", "above … …", "above", and the like, may be used herein for ease of description to describe the spatial relationship of one feature or characteristic to another feature or characteristic as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1-4, the numerical control machine tool error detection device based on the multi-axis gyroscope comprises a main spindle box 1, a machine tool main spindle 2, a processing chuck 3, a circular groove 4, a workbench 5, a saddle 6, a processing workpiece 7 and a stand column 8. The upright post is connected with the main spindle box through a slide rail, so that the running stability is ensured; the circular grooves are arranged on the workbench in a matrix manner, so that the structure stability is ensured, and meanwhile, the accurate installation position of the first gyroscope can be determined; the processing chuck is fixed on the workbench, the cradle of the numerical control machine tool is of a cradle type, the left arm and the right arm of the cradle are provided with a second gyroscope 9 and a third gyroscope 10, the lower end of the processing chuck is provided with a fourth multi-axis gyroscope 11 with a determined position, the fourth multi-axis gyroscope 11 can rotate along with a processed workpiece, the relative posture of the workpiece and the main shaft is ensured to be accurate through the change of the position of the gyroscope of the B, C shaft, and the processing precision is improved; the main shaft is provided with a fifth multi-axis gyroscope 12, and the precision errors of the positions of all points during the movement of the machine tool are determined by checking different combination modes of the fifth multi-axis gyroscope 12 and a plurality of gyroscopes in circular grooves on the workbench, and the fifth multi-axis gyroscope is compensated into the machine tool in real time to adjust the relative positions of a chuck workpiece of the workbench and the main shaft so as to ensure the machining movement precision of the machine tool. And the compensation analysis can be conveniently implemented at the later stage.
Preferably, the gyroscope arranged in a matrix mode is arranged on the workbench, so that relative attitude detection of the main shaft at different points and the workbench can be performed, and the relative error range of multiple points can be detected, and compensation can be performed.
Preferably, the multi-axis gyroscope is used to be mutually associated with a numerical control system of the machine tool, so that the error amount can be detected in real time and compensated, and the precision of the machine tool is greatly improved. The device has the advantages that the measurement process is relative attitude detection, the relative attitude relation between the main shaft and the workbench can be effectively maintained, and the unadjustable mechanical error precision caused by long-time use is avoided.
Preferably, the mounting groove is of a circular groove structure, so that the structure is more stable on the premise of ensuring correct mounting of the gyroscope, and deformation caused by stress concentration is reduced, so that mechanical errors of the machine tool are increased.
Preferably, the method can be directly used for improving the precision of the machine tool during production of the machine tool, and meanwhile, compared with other modes for improving the precision of the machine tool, the method is relatively low in price and higher in universality.
The adjustment principle of the device;
the instrument is assembled according to the steps, the correctness of the position of the circular groove of the workbench is guaranteed before installation, the installation structure is stable and free of damage, and meanwhile, under the condition that the tightness degree of the instrument is high, the position of the multi-axis gyroscope is enabled to be parallel to the position of the workbench, and the field-leaving precision of the machine tool is guaranteed.
After the device is installed, a gyroscope is initialized, the space vector position center of the multi-axis gyroscope is aligned, and the initial space attitude of each point is calibrated and used as a calibration reference. After the datum alignment of each point, the precision measurement can be carried out, precision errors can occur in the process due to the fact that the tightness degree of the device is not reached or the installation process of the gyroscope is not correct, in order to avoid the occurrence of the result, the precision is verified when the device leaves a factory, if the error of a processed workpiece is not more than 0.5 degrees, the measurement result is correct, if the error exceeds the error range, the installation correctness of the device is rechecked, the reason is found and the detection is carried out again, and the precision of the machine tool is ensured after the reason is found out and solved.
The invention firstly considers the aspects of product appearance, product function, safety and the like, achieves the aims of meeting the requirements of teachers on easy operation and instruction, students on easy observation and study and measuring the geometric precision and the motion precision of a multi-axis machine tool, and makes quantitative preparation for difference compensation. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (1)
1. The utility model provides a digit control machine tool error detection device based on multiaxis gyroscope, includes lathe workstation, headstock, stand, digit control machine tool cradle left arm, digit control machine tool cradle right arm, processing chuck and machine tool spindle, the stand passes through the slide rail and is connected with the headstock, the machine tool spindle is installed in the headstock, open the centre of lathe workstation and have a plurality of circular slot that the matrix was arranged, the digit control machine tool cradle is installed on the lathe workstation, the both ends at the digit control machine tool cradle are fixed respectively to digit control machine tool cradle left arm and digit control machine tool cradle right arm, its characterized in that: the multi-axis gyroscope comprises a first multi-axis gyroscope, a second multi-axis gyroscope, a third multi-axis gyroscope, a fourth multi-axis gyroscope and a fifth multi-axis gyroscope; the first multi-axis gyroscope is installed in the circular groove, the second multi-axis gyroscope and the third multi-axis gyroscope are respectively installed on the left arm of the numerical control machine tool cradle and the right arm of the numerical control machine tool cradle, the fourth multi-axis gyroscope is installed on one side of the bottom of the machining chuck, and the fifth multi-axis gyroscope is installed on the upper end of the machine tool spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021121675.9U CN212886550U (en) | 2020-06-17 | 2020-06-17 | Numerical control machine tool error detection device based on multi-axis gyroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021121675.9U CN212886550U (en) | 2020-06-17 | 2020-06-17 | Numerical control machine tool error detection device based on multi-axis gyroscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212886550U true CN212886550U (en) | 2021-04-06 |
Family
ID=75278754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021121675.9U Active CN212886550U (en) | 2020-06-17 | 2020-06-17 | Numerical control machine tool error detection device based on multi-axis gyroscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212886550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600875A (en) * | 2021-07-07 | 2021-11-05 | 北京工业大学 | Automatic production line for fingertip gyroscope |
-
2020
- 2020-06-17 CN CN202021121675.9U patent/CN212886550U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600875A (en) * | 2021-07-07 | 2021-11-05 | 北京工业大学 | Automatic production line for fingertip gyroscope |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106989699B (en) | Laser centering instrument calibration equipment and method for measuring indication error of laser centering instrument through laser centering instrument calibration equipment | |
| CN102200429B (en) | Precision detection method for numerical control machine based on laser-tracking combined measurement | |
| CN102944197B (en) | A kind of method for detecting precision of five-spindle machining center of double-rotary table structure | |
| CN106113035A (en) | A kind of Six-DOF industrial robot end-of-arm tooling coordinate system caliberating device and method | |
| CN103499293B (en) | Virtual multi-station type measurement method of laser tracker of numerically-controlled machine tool | |
| CN103791868B (en) | A kind of space nominal volume based on virtual ball and scaling method thereof | |
| CN103389038A (en) | Targeting multi-station measuring method for detecting geometric accuracy of numerical control machine tool through laser tracker | |
| US20140298668A1 (en) | Device for detecting axis coplanarity of orthogonal rotary shafts having built-in intersection and precision detecting method | |
| CN105364924B (en) | Zero-scale calibration system and method for robot | |
| CN102151866B (en) | Three-ball-based multistation coordinate unifying method of processing center | |
| CN112008491B (en) | CA type five-axis numerical control machine tool RTCP precision calibration method based on measuring head | |
| CN106584513A (en) | Industrial robot repeated positioning accuracy testing method and industrial robot repeated positioning accuracy testing device | |
| CN103809513A (en) | Error verification method of CA oscillating structure five-axis machine tool | |
| CN106813638A (en) | A kind of 3RPS parallel robots geometric parameter discrimination method | |
| CN110220454A (en) | A kind of pose scaling method of three coordinate locating mechanisms | |
| CN212886550U (en) | Numerical control machine tool error detection device based on multi-axis gyroscope | |
| CN114012585B (en) | Polishing point position calibration method for double-pendulum-shaft type five-axis magnetorheological machine tool | |
| CN113146613B (en) | Three-dimensional self-calibration device and method for D-H parameters of industrial robot | |
| CN108582047A (en) | A kind of six degree of freedom series-parallel connection polishing robot pose accuracy calibrating installation and method | |
| CN110736407A (en) | machine tool external working condition simulator based on automatic precision machining and alignment method | |
| CN106989670A (en) | A kind of non-contact type high-precision large-scale workpiece tracking measurement method of robot collaboration | |
| CN102218738A (en) | Robot tool vector exporting method and correcting method | |
| CN106392773B (en) | A kind of five-axis linkage machine tools main tapping attitude angle device and measurement method | |
| CN208720994U (en) | A kind of lathe five degree of freedom error measuring means | |
| CN112797931B (en) | Industrial robot pose accuracy and pose repeatability detection device and detection method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |