CN112720074B - Method and device for processing workpiece information on numerical control machine tool - Google Patents

Method and device for processing workpiece information on numerical control machine tool Download PDF

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Publication number
CN112720074B
CN112720074B CN202011530936.7A CN202011530936A CN112720074B CN 112720074 B CN112720074 B CN 112720074B CN 202011530936 A CN202011530936 A CN 202011530936A CN 112720074 B CN112720074 B CN 112720074B
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workpiece
measuring head
information
probe
head device
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CN112720074A (en
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吕鹤
张博
杨博会
刘代伟
黎运尧
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Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Intelligent Equipment Co Ltd
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Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Intelligent Equipment Co Ltd
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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
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
    • 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
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
    • 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
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q2017/001—Measurement or correction of run-out or eccentricity

Abstract

The invention discloses a method and a device for processing workpiece information on a numerical control machine tool. Wherein, the method comprises the following steps: acquiring workpiece information of a workpiece on a numerical control machine tool and measuring head information of a measuring head device, wherein the measuring head device is used for detecting the workpiece information of the workpiece; acquiring an initial state of the measuring head device based on measuring head information of the measuring head device; controlling the movement and/or rotation of the measuring head device, and acquiring position information of the measuring head device in the movement and/or rotation process; determining workpiece information of the workpiece based on position information of the measuring head device in the moving and/or rotating process, wherein the workpiece information comprises at least one of the following: position information and shape information of the workpiece. The numerical control machine tool solves the technical problem that the efficiency of machining workpieces by the numerical control machine tool is low in the related technology.

Description

Method and device for processing workpiece information on numerical control machine tool
Technical Field
The invention relates to the technical field of automatic production, in particular to a method and a device for processing workpiece information on a numerical control machine tool.
Background
Before a circular workpiece is machined by the numerical control machine tool, the circle center position and the radius of the circular workpiece can be quickly and accurately determined, and the numerical control machine tool has important significance for improving the machining efficiency and the machining precision of the machine tool. At present, a commonly used method for centering the center of a circle of a workpiece is to attach a dial indicator base to a main shaft of a machine tool, contact a probe of the dial indicator with the surface of the outer circle of the workpiece, and judge whether the position of the main shaft at the moment is the position of the center of the circle of the workpiece according to the jumping amount of the probe when the probe of the dial indicator moves around the outer surface of the circular workpiece. The method for centering the circle center by using the dial indicator needs repeated tests until the jumping quantity of the probe of the dial indicator is within the expected tolerance range. The method is complex in operation and long in time consumption, and meanwhile, the accuracy of the alignment of the circle center of the workpiece is limited by the accuracy of the dial indicator.
Aiming at the problem that the efficiency of numerical control machine tool for processing workpieces is lower in the related technology, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides a method and a device for processing workpiece information on a numerical control machine tool, which at least solve the technical problem of low efficiency of the numerical control machine tool in the related technology for processing workpieces.
According to an aspect of the embodiments of the present invention, there is provided a method for processing workpiece information on a numerically controlled machine tool, including: acquiring workpiece information of a workpiece on a numerical control machine tool and measuring head information of a measuring head device, wherein the measuring head device is used for detecting the workpiece information of the workpiece; acquiring an initial state of the gauge head device based on gauge head information of the gauge head device; controlling the measuring head device to move and/or rotate, and acquiring position information of the measuring head device in the moving and/or rotating process; determining workpiece information of the workpiece based on position information of the measuring head device in the moving and/or rotating process, wherein the workpiece information comprises at least one of the following: position information and shape information of the workpiece.
Optionally, in a case where the workpiece has a circular shape, the stylus information includes: the measuring head set comprises a main measuring point A at the axis position of a main shaft, and a measuring head set which rotates around a point and elastically deforms by taking the main measuring point as the point, wherein the measuring head set at least comprises two auxiliary measuring heads.
Optionally, the initial state of the gauge head device is: the measuring head device and the workpiece are in a non-contact state, wherein the measuring head information of the measuring head device in the initial state is as follows: the initial position of the set of probes does not intersect the region defined by the workpiece position.
Optionally, the main measuring point of the measuring head device is controlled to translate a first distance to the workpiece along the longitudinal axis, and a first auxiliary measuring head in the measuring head group of the measuring head device after the first distance is moved is in a contact state with the workpiece.
Optionally, the main probe is controlled to drive the probe group to move, and the main probe and the probe group both move by the first distance.
Optionally, the main measuring point of the measuring head device is controlled to continue to translate a second distance to the workpiece along the longitudinal axis, the measuring head group is controlled to rotate around the main measuring point, and a second secondary measuring head in the moving and rotating measuring head group is in a contact state with the workpiece.
Optionally, the main probe is controlled to drive the probe group to move, and the main probe and the probe group both move by the second distance.
Optionally, the main measuring point of the measuring head device is controlled to continue to translate the workpiece along the longitudinal axis by a third distance, and the main measuring point of the measuring head device after the movement of the third distance is in a contact state with the workpiece.
Optionally, determining the workpiece information of the workpiece based on the position information of the measuring head device during the moving and/or rotating process includes: acquiring position information of the main measuring point in the measuring head device and the auxiliary measuring head point in the measuring head group; and calculating the workpiece information of the workpiece based on the position information of the main measuring head point in the measuring head device and the auxiliary measuring head point in the measuring head group, wherein the position information of the workpiece comprises the circle center and the radius of the workpiece.
According to another aspect of the embodiments of the present invention, there is provided an apparatus for processing workpiece information on a numerically controlled machine tool, including: the device comprises a first acquisition unit, a second acquisition unit and a third acquisition unit, wherein the first acquisition unit is used for acquiring workpiece information of a workpiece on a numerical control machine tool and measuring head information of a measuring head device, and the measuring head device is used for detecting the workpiece information of the workpiece; a second acquiring unit configured to acquire an initial state of the probe device based on probe information of the probe device; the third acquisition unit is used for controlling the movement and/or rotation of the measuring head device and acquiring the position information of the measuring head device in the movement and/or rotation process; a determining unit, configured to determine workpiece information of the workpiece based on position information of the probe device during the moving and/or rotating process, where the workpiece information includes at least one of: position information and shape information of the workpiece.
Optionally, in a case where the workpiece has a circular shape, the stylus information includes: the measuring head set comprises a main measuring point A at the axis position of a main shaft, and a measuring head set which rotates around a point and elastically deforms by taking the main measuring point as the point, wherein the measuring head set at least comprises two auxiliary measuring heads.
Optionally, the initial state of the gauge head device is: the measuring head device and the workpiece are in a non-contact state, wherein the measuring head information of the measuring head device in the initial state is as follows: the initial position of the set of probes does not intersect the region defined by the workpiece position.
Optionally, the main measuring point of the measuring head device is controlled to translate a first distance to the workpiece along the longitudinal axis, and a first auxiliary measuring head in the measuring head group of the measuring head device after the first distance is moved is in a contact state with the workpiece.
Optionally, the main probe is controlled to drive the probe group to move, and the main probe and the probe group both move by the first distance.
Optionally, the main measuring point of the measuring head device is controlled to continue to translate a second distance to the workpiece along the longitudinal axis, the measuring head group is controlled to rotate around the main measuring point, and a second secondary measuring head in the moving and rotating measuring head group is in a contact state with the workpiece.
Optionally, the main probe is controlled to drive the probe group to move, and the main probe and the probe group both move by the second distance.
Optionally, the main measuring point of the measuring head device is controlled to continue to translate the workpiece along the longitudinal axis by a third distance, and the main measuring point of the measuring head device after the movement of the third distance is in a contact state with the workpiece.
Optionally, the determining unit includes: the first acquisition module is used for acquiring the position information of the main measuring point in the measuring head device and the auxiliary measuring head point in the measuring head group; and the second acquisition module is used for calculating and obtaining workpiece information of the workpiece based on the position information of the main measuring point in the measuring head device and the auxiliary measuring head point in the measuring head group, wherein the position information of the workpiece comprises the circle center and the radius of the workpiece.
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium, which includes a stored computer program, wherein when the computer program is executed by a processor, the apparatus on which the computer storage medium is located is controlled to execute the method for processing workpiece information on a numerical control machine tool described in any one of the above.
According to another aspect of the embodiments of the present invention, there is further provided a processor, configured to execute a computer program, where the computer program executes the method for processing the workpiece information on the nc machine tool described in any one of the above.
In the embodiment of the invention, the method comprises the steps of acquiring the workpiece information of a workpiece on a numerical control machine tool and the measuring head information of a measuring head device, wherein the measuring head device is used for detecting the workpiece information of the workpiece; acquiring an initial state of the measuring head device based on measuring head information of the measuring head device; controlling the movement and/or rotation of the measuring head device, and acquiring position information of the measuring head device in the movement and/or rotation process; determining workpiece information of the workpiece based on position information of the measuring head device in the moving and/or rotating process, wherein the workpiece information comprises at least one of the following: position information and shape information of the workpiece. The method for processing the workpiece information on the numerical control machine tool provided by the embodiment of the invention realizes the purpose of quickly determining the workpiece information on the numerical control machine tool, achieves the technical effect of improving the production efficiency of the numerical control machine tool, and further solves the technical problem of lower efficiency of the numerical control machine tool in the related technology for processing the workpiece.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a flow chart of a method for processing workpiece information on a numerically controlled machine tool according to an embodiment of the present invention;
fig. 2 is a first schematic diagram of a workpiece and a probe according to an embodiment of the invention;
fig. 3 is a second schematic diagram of a workpiece and a probe according to an embodiment of the invention;
fig. 4 is a third schematic diagram of a workpiece and a probe according to an embodiment of the invention;
fig. 5 is a fourth schematic diagram of a workpiece and a probe according to an embodiment of the invention;
fig. 6 is a schematic diagram of a device for processing workpiece information on a numerically controlled machine tool according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
In accordance with an embodiment of the present invention, there is provided a method embodiment of a method for processing workpiece information on a numerically controlled machine tool, it is noted that the steps illustrated in the flowchart of the figure may be performed in a computer system such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than here.
Fig. 1 is a flowchart of a method for processing workpiece information on a numerically controlled machine tool according to an embodiment of the present invention, and as shown in fig. 1, the method for processing workpiece information on a numerically controlled machine tool includes the following steps:
step S102, acquiring workpiece information of a workpiece on the numerical control machine tool and measuring head information of a measuring head device, wherein the measuring head device is used for detecting the workpiece information of the workpiece.
Optionally, in the embodiment of the present invention, the workpiece may be circular.
Wherein, when the workpiece is circular, the probe information includes: and the main measuring point A is positioned at the axis position of the main shaft, and the measuring head group rotates around a point and generates elastic deformation by taking the main measuring point as the point, wherein the measuring head group at least comprises two auxiliary measuring heads.
Fig. 2 is a first schematic view of a workpiece and a probe according to an embodiment of the present invention, where the position shown in fig. 2 is an initial position of the probe assembly and is in a non-contact state with the workpiece; taking the position of the measuring head A in the state as a coordinate origin, taking an angular bisector of the & lt BAC as a y-axis, and taking an angular bisector perpendicular to the & lt BAC as an x-axis to establish a vertical coordinate system; knowing that ≈ BAC and the length of the measuring head B, C from the measuring head a are iota, the coordinates of each point at this time can be obtained as: the coordinate of the measuring head A1 is (0,0), and the measuring point B1 is
Figure GDA0003492789320000051
The coordinate of the measuring head C1 is
Figure GDA0003492789320000052
In the embodiment of the present invention, when the workpiece is circular, as shown in fig. 2, point O is the center of the circular workpiece, and arc BAC is the head set that can rotate around point a and elastically deform, where point a is the measurement point at the spindle axis position, and points B and C are the measurement points at both ends of the arc, respectively.
And step S104, acquiring the initial state of the measuring head device based on the measuring head information of the measuring head device.
In this embodiment, the initial state of the gauge head device is as follows: the measuring head device and the workpiece are in a non-contact state, wherein the measuring head information of the measuring head device in an initial state is as follows: the initial position of the set of probes does not intersect the region defined by the position of the workpiece.
And step S106, controlling the movement and/or rotation of the measuring head device, and acquiring the position information of the measuring head device in the movement and/or rotation process.
Step S108, determining workpiece information of the workpiece based on the position information of the measuring head device in the moving and/or rotating process, wherein the workpiece information comprises at least one of the following: position information and shape information of the workpiece.
As can be seen from the above, in the embodiment of the present invention, workpiece information of a workpiece on a numerically controlled machine tool and probe information of a probe device are obtained, where the probe device is configured to detect the workpiece information of the workpiece; acquiring an initial state of the measuring head device based on measuring head information of the measuring head device; controlling the movement and/or rotation of the measuring head device, and acquiring position information of the measuring head device in the movement and/or rotation process; determining workpiece information of the workpiece based on position information of the measuring head device in the moving and/or rotating process, wherein the workpiece information comprises at least one of the following: the position information and the shape information of the workpiece realize the purpose of rapidly determining the information of the workpiece on the numerical control machine tool, and the technical effect of improving the production efficiency of the numerical control machine tool is achieved.
Therefore, the method for processing the workpiece information on the numerical control machine tool provided by the embodiment of the invention solves the technical problem of low efficiency of the numerical control machine tool in processing the workpiece in the related technology.
In the embodiment of the present invention, the main measuring point of the measuring head device is controlled to translate a first distance to the workpiece along the longitudinal axis, and a first sub measuring head in the measuring head group of the measuring head device after the main measuring point of the measuring head device moves the first distance is in a contact state with the workpiece.
In an alternative embodiment, the main probe may be controlled to move the probe set, and both the main probe and the probe set move by the first distance.
Fig. 3 is a schematic diagram ii of the workpiece and the probe according to the embodiment of the present invention, and the position shown in fig. 3 is a state where the main shaft drives the entire probe group to translate the workpiece along the y axis by a distance i 1, and the measuring point B is in contact with the workpiece, and the arc BAC does not rotate around the point a. Then, the coordinates of each point at this time can be known as: the coordinates of the measuring head A2 are (0, iota 1) and the measuring point B2 is
Figure GDA0003492789320000061
The coordinate of the measuring head C2 is
Figure GDA0003492789320000062
Figure GDA0003492789320000063
In an alternative embodiment, the main station of the probe device is controlled to continue to translate a second distance along the longitudinal axis towards the workpiece, and the group of probes is controlled to rotate around the main station, with a second sub-probe of the group of probes that is moved and rotated into contact with the workpiece.
In this embodiment, the main probe may be controlled to drive the probe group to move, and both the main probe and the probe group move by the second distance.
Fig. 4 is a third schematic diagram of the workpiece and the probe according to the embodiment of the present invention, and the position shown in fig. 4 is that after the spindle drives the entire probe group to continue to translate the workpiece along the y axis for a distance ι 2, and after the probe group rotates around the point a by the angle α, the point C is in a contact state with the workpiece, and at this time, the arc BAC is not deformed. Then each point can be known at that timeThe coordinates are: the coordinates of the measuring head A3 are (0, iota 1+ iota 2), and the measuring point B3 is
Figure GDA0003492789320000064
Figure GDA0003492789320000065
The coordinate of the measuring head C3 is
Figure GDA0003492789320000066
In an alternative embodiment, the main measuring point of the measuring head device is controlled to continuously translate towards the workpiece by a third distance along the longitudinal axis, and the main measuring point of the measuring head device after the third distance is moved is in a contact state with the workpiece.
FIG. 5 is a fourth schematic view of the workpiece and the probe according to the embodiment of the present invention, in the position shown in FIG. 4, where the spindle drives the entire probe set to continue to translate the workpiece along the y-axis by a distance l3Then, the gauge head set deforms, and the point A is in a contact state with the workpiece. Because B, C coordinates of two points have no calculation reference meaning, only the coordinates of point A need to be known, and the measuring head A at the moment can be known through calculation4The coordinates are: (0, l)1+l2+l3)。
In an alternative embodiment, determining workpiece information of the workpiece based on the position information of the stylus device during the movement and/or rotation comprises: acquiring position information of a main measuring point in a measuring head device and position information of an auxiliary measuring head point in a measuring head group; and calculating the workpiece information of the workpiece based on the position information of the main measuring point in the measuring head device and the auxiliary measuring head point in the measuring head group, wherein the position information of the workpiece comprises the circle center and the radius of the workpiece.
It should be noted that, in the embodiment of the present invention, the information of the circular workpiece, such as the center and the radius, is determined based on the coordinates of the three known points on the circumference. Since the three-point coordinates on the circumference of the workpiece, i.e., B2, C3, A4, have been obtained in the above-described steps, the general equation x of the circle is defined2+y2+Dx+Ey+F＝0(D2+E2-4F > 0) to obtain D, E, F three unknowns by simultaneous solution of three equations to obtain the coordinates of the center of the circle:
Figure GDA0003492789320000071
the radius is:
Figure GDA0003492789320000072
therefore, in the embodiment of the invention, the problems of low workpiece center alignment precision caused by low dial indicator precision and low machining efficiency caused by long time consumption in the operation process when the dial indicator is used for aligning the workpiece center can be solved. The method for aligning the circle center of the workpiece provided by the embodiment of the invention does not need a complex optical element, is simple to operate, low in implementation cost, higher in precision and high in working efficiency, and is suitable for all working conditions. In addition, the three-point contact type detection method can quickly measure the coordinates of the three points on the circumference through simple one-time operation, and further accurately calculate the circle center position and the radius of the workpiece.
Example 2
According to another aspect of the embodiments of the present invention, there is also provided an apparatus for processing workpiece information on a nc machine tool, fig. 6 is a schematic diagram of the apparatus for processing workpiece information on the nc machine tool according to the embodiments of the present invention, and as shown in fig. 6, the apparatus for processing workpiece information on the nc machine tool includes: a first acquisition unit 61, a second acquisition unit 63, a third acquisition unit 65, and a determination unit 67. The following describes a processing apparatus for processing workpiece information on the numerical control machine tool.
The first acquiring unit 61 is configured to acquire workpiece information of a workpiece on the numerically-controlled machine tool and probe information of a probe device, where the probe device is configured to detect the workpiece information of the workpiece.
A second acquiring unit 63 configured to acquire an initial state of the stylus device based on the stylus information of the stylus device.
And a third acquiring unit 65 for controlling the movement and/or rotation of the gauge head device and acquiring position information of the gauge head device during the movement and/or rotation.
A determining unit 67, configured to determine workpiece information of the workpiece based on position information of the probe device during the moving and/or rotating process, where the workpiece information includes at least one of: position information and shape information of the workpiece.
It should be noted here that the first acquiring unit 61, the second acquiring unit 63, the third acquiring unit 65, and the determining unit 67 correspond to steps S102 to S108 in embodiment 1, and the above units are the same as the examples and application scenarios realized by the corresponding steps, but are not limited to the disclosure in embodiment 1. It should be noted that the above-described elements as part of an apparatus may be implemented in a computer system, such as a set of computer-executable instructions.
As can be seen from the above, in the above embodiments of the present application, the first obtaining unit may be used to obtain workpiece information of a workpiece on a numerically controlled machine tool and probe information of a probe device, where the probe device is used to detect the workpiece information of the workpiece; then, acquiring the initial state of the measuring head device based on the measuring head information of the measuring head device by using a second acquisition unit; the third acquisition unit is used for controlling the movement and/or rotation of the measuring head device and acquiring the position information of the measuring head device in the movement and/or rotation process; and determining workpiece information of the workpiece by using a determining unit based on the position information of the measuring head device in the moving and/or rotating process, wherein the workpiece information comprises at least one of the following: position information and shape information of the workpiece. The device for processing the workpiece information on the numerical control machine tool provided by the embodiment of the invention realizes the purpose of quickly determining the workpiece information on the numerical control machine tool, achieves the technical effect of improving the production efficiency of the numerical control machine tool, and solves the technical problem of lower efficiency of the numerical control machine tool for processing the workpiece in the related technology.
In an alternative embodiment, in the case where the workpiece has a circular shape, the stylus information includes: and the main measuring point A is positioned at the axis position of the main shaft, and the measuring head group rotates around a point and generates elastic deformation by taking the main measuring point as the point, wherein the measuring head group at least comprises two auxiliary measuring heads.
In an alternative embodiment, the initial state of the gauge head device is as follows: the measuring head device and the workpiece are in a non-contact state, wherein the measuring head information of the measuring head device in an initial state is as follows: the initial position of the set of probes does not intersect the region defined by the position of the workpiece.
In an alternative embodiment, the main measuring point of the measuring head device is controlled to translate a first distance to the workpiece along the longitudinal axis, and a first auxiliary measuring head in the measuring head group of the measuring head device after the first distance is moved is in a contact state with the workpiece.
In an alternative embodiment, the main probe is controlled to drive the probe group to move, and both the main probe and the probe group move by the first distance.
In an alternative embodiment, the main station of the probe device is controlled to continue to translate a second distance along the longitudinal axis towards the workpiece, and the group of probes is controlled to rotate around the main station, with a second sub-probe of the group of probes that is moved and rotated into contact with the workpiece.
In an alternative embodiment, the main probe is controlled to drive the probe group to move, and both the main probe and the probe group move by the second distance.
In an alternative embodiment, the main measuring point of the measuring head device is controlled to continuously translate towards the workpiece by a third distance along the longitudinal axis, and the main measuring point of the measuring head device after the third distance is moved is in a contact state with the workpiece.
In an alternative embodiment, the determining unit comprises: the first acquisition module is used for acquiring position information of a main measuring point in the measuring head device and position information of an auxiliary measuring head point in the measuring head group; and the second acquisition module is used for calculating and obtaining workpiece information of the workpiece based on the position information of the main measuring point in the measuring head device and the auxiliary measuring head point in the measuring head group, wherein the position information of the workpiece comprises the circle center and the radius of the workpiece.
Example 3
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium including a stored computer program, wherein when the computer program is executed by a processor, the apparatus on which the computer storage medium is located is controlled to execute the method for processing workpiece information on a numerical control machine tool according to any one of the above.
Example 4
According to another aspect of the embodiments of the present invention, there is also provided a processor, configured to execute a computer program, where the computer program executes the method for processing the workpiece information on the numerically controlled machine tool according to any one of the above embodiments.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various 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 (9)

1. A method for processing workpiece information on a numerical control machine tool is characterized by comprising the following steps:
acquiring workpiece information of a workpiece on a numerical control machine tool and measuring head information of a measuring head device, wherein the measuring head device is used for detecting the workpiece information of the workpiece;
acquiring an initial state of the gauge head device based on gauge head information of the gauge head device;
controlling the measuring head device to move and/or rotate, and acquiring position information of the measuring head device in the moving and/or rotating process;
determining workpiece information of the workpiece based on position information of the measuring head device in the moving and/or rotating process, wherein the workpiece information comprises at least one of the following: position information and shape information of the workpiece,
in the case where the workpiece has a circular shape, the probe information includes: the measuring head group rotates around a point and generates elastic deformation by taking the main measuring head as the measuring head group, wherein the measuring head group at least comprises two auxiliary measuring heads.
2. A method according to claim 1, characterized in that said initial state of said probe means is: the measuring head device and the workpiece are in a non-contact state, wherein the measuring head information of the measuring head device in the initial state is as follows: the initial position of the set of probes does not intersect the region defined by the workpiece position.
3. A method according to claim 2 wherein the primary stylus of the stylus assembly is controlled to translate along the longitudinal axis towards the workpiece by a first distance, and a first secondary stylus of the stylus assembly, after the first distance, is in contact with the workpiece.
4. A method according to claim 3 wherein the movement of the set of heads is caused by controlling the main head and both the main head and the set of heads move the first distance.
5. A method according to claim 3 wherein the primary stylus of the stylus mechanism is controlled to continue to translate the workpiece along the longitudinal axis by a second distance and the stylus set is controlled to rotate about the primary stylus, the second secondary stylus of the stylus set being moved and rotated into contact with the workpiece.
6. The method of claim 5, wherein the movement of the head set is caused by controlling the main probe, and wherein the main probe and the head set both move the second distance.
7. The method of claim 5, wherein the main probe of the probe device is controlled to continue to translate the workpiece along the longitudinal axis by a third distance, and the main probe of the probe device moved by the third distance is in contact with the workpiece.
8. A method according to claim 6 wherein determining workpiece information for the workpiece based on position information of the stylus device during the moving and/or rotating comprises:
acquiring position information of the main measuring head in the measuring head device and the auxiliary measuring head in the measuring head group;
and calculating the workpiece information of the workpiece based on the position information of the main measuring head in the measuring head device and the position information of the auxiliary measuring head in the measuring head group, wherein the position information of the workpiece comprises the circle center and the radius of the workpiece.
9. A processing device of workpiece information on a numerical control machine tool is characterized by comprising:
the device comprises a first acquisition unit, a second acquisition unit and a third acquisition unit, wherein the first acquisition unit is used for acquiring workpiece information of a workpiece on a numerical control machine tool and measuring head information of a measuring head device, and the measuring head device is used for detecting the workpiece information of the workpiece;
a second acquiring unit configured to acquire an initial state of the probe device based on probe information of the probe device;
the third acquisition unit is used for controlling the movement and/or rotation of the measuring head device and acquiring the position information of the measuring head device in the movement and/or rotation process;
a determining unit, configured to determine workpiece information of the workpiece based on position information of the probe device during the moving and/or rotating process, where the workpiece information includes at least one of: position information and shape information of the workpiece,
in the case where the workpiece has a circular shape, the probe information includes: the measuring head group rotates around a point and generates elastic deformation by taking the main measuring head as the measuring head group, wherein the measuring head group at least comprises two auxiliary measuring heads.
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