CN210513064U - Digital detection device for geometric accuracy of machine tool - Google Patents
Digital detection device for geometric accuracy of machine tool Download PDFInfo
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- CN210513064U CN210513064U CN201921491669.XU CN201921491669U CN210513064U CN 210513064 U CN210513064 U CN 210513064U CN 201921491669 U CN201921491669 U CN 201921491669U CN 210513064 U CN210513064 U CN 210513064U
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Abstract
The utility model relates to a digital detection device for the geometric accuracy of a machine tool, which consists of a data acquisition card, a displacement sensor, a control processing unit and a standard ruler, wherein the standard ruler is arranged on a workbench of the machine tool to be detected; the displacement sensor is arranged on the Z axis of the machine tool to be detected, and under the action of the control processing unit, a detection head of the displacement sensor moves on the surface of the standard ruler to acquire displacement information of a collection point; the data acquisition card is respectively connected with the displacement sensor and the control processing unit, acquires detection data from the displacement sensor and feeds the detection data back to the control processing unit; the control processing unit analyzes and processes the detection data fed back by the data acquisition card to generate a detection report. The utility model realizes automatic measurement and calculation analysis of the geometric accuracy of the machine tool, has simple operation and high efficiency, eliminates the influence of human factors, has large data acquisition range and strong flexibility, and has accurate and reliable detection results; the detection report can be automatically generated, and the archiving and digital management are convenient.
Description
Technical Field
The utility model relates to a lathe detection area, in particular to digital detection device of lathe geometric accuracy.
Background
The geometric accuracy is the basis of the machine tool accuracy, and only the machine tool with good geometric accuracy can realize good performance and high accuracy, so that each geometric accuracy of the machine tool needs to be strictly detected in the manufacturing process of the machine tool, and the accuracy of a detection result is ensured. At present, a mechanical dial indicator is mostly adopted for measuring manual records in a detection method of the geometric accuracy of a machine tool, manual repeated adjustment and recording are needed in the detection process, the requirement on the skill level of an operator is high, the detection process is complex, and the efficiency is low; in addition, the detection data is also processed manually, and is influenced by a data analysis processing method, so that the consistency and the accuracy of the detection result are difficult to ensure, and the measurement data cannot quickly form an intuitive graphical report, so that the digital management is difficult to realize.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, provide an easy operation, detection efficiency is high, and the testing result is accurate reliable, need not the digital detection device of the lathe geometric accuracy of artifical analysis processing.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a digital detection device for geometric accuracy of machine tool is composed of data acquisition card, displacement sensor, control processing unit and standard rule,
the data acquisition card is used for acquiring detection data and feeding the detection data back to the control processing unit;
the displacement sensor is used for acquiring displacement information, converting the displacement information into an electric signal and transmitting the electric signal to the data acquisition card;
the control processing unit is used for controlling the linear axis motion of the machine tool to be detected, analyzing and processing the detection data fed back by the data acquisition card and generating a detection report;
the standard ruler is arranged on a workbench of the machine tool to be detected; the displacement sensor is arranged on the Z axis of the machine tool to be detected, and a detection head of the displacement sensor moves on the surface of the standard ruler under the action of the control processing unit; the data acquisition card is respectively connected with the displacement sensor and the control processing unit.
In the digital detection device for the geometric accuracy of the machine tool, the control processing unit can be a numerical control system equipped for the machine tool to be detected or an independent detection control system, and the numerical control system comprises a detection processing module, can set detection parameters and analyze and process acquired detection data; the detection control system is respectively connected with the data acquisition card and the to-be-detected machine tool, and realizes the detection of the geometric precision of the to-be-detected machine tool by controlling the movement of the movement shaft of the to-be-detected machine tool.
In the digital detection device for the geometric accuracy of the machine tool, the data acquisition card acquires two-dimensional coordinate data of the acquisition point from the control processing unit, acquires third-dimensional coordinate data from the displacement sensor, and feeds back the three-dimensional coordinate data of the acquisition point to the control processing unit.
The digital detection device for the machine tool set precision comprises a standard flat ruler and a standard square ruler.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model realizes automatic measurement and calculation analysis of the geometric accuracy of the machine tool, has simple operation and high efficiency, eliminates the influence of human factors, has large data acquisition range and strong flexibility, and has accurate and reliable detection results; the detection report can be automatically generated, and the archiving and digital management are convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the digital detection device for geometric accuracy of machine tool of the present invention comprises a data acquisition card 1, a displacement sensor 2, a control processing unit 3 and a standard ruler 4, wherein the data acquisition card 1 is used for acquiring detection data and feeding the detection data back to the control processing unit 3; the displacement sensor 2 is used for acquiring displacement information, converting the displacement information into an electric signal and transmitting the electric signal to the data acquisition card 2; the control processing unit 3 is used for controlling the linear axis motion of the machine tool to be detected, analyzing and processing the detection data fed back by the data acquisition card 1 and generating a detection report; the standard ruler 4 is arranged on a workbench of the machine tool to be detected; the displacement sensor 2 is arranged on the Z axis of the machine tool to be detected, and a detection head of the displacement sensor 2 moves on the surface of the standard ruler 4 under the action of the control processing unit 3; the data acquisition card 1 is respectively connected with the displacement sensor 2 and the control processing unit 3.
When the geometric accuracy is detected, the control processing unit 3 controls the movement of the machine tool to be detected, the displacement sensor 2 moves along a linear axis along with the Z axis of the machine tool to be detected, and a detection head of the displacement sensor 2 is in contact with the surface of the standard ruler 4 to obtain linear measurement data and feed the linear measurement data back to the data acquisition card 1; the data acquisition card 1 respectively combines the two-dimensional coordinate data of the acquisition points acquired according to the acquisition instruction with the third-dimensional coordinate data fed back by the displacement sensor 2, and feeds back the combined data as the three-dimensional coordinate data of the acquisition points to the control processing unit 3. The control processing unit 3 performs fitting analysis on the three-dimensional data of all the acquisition points, calculates corresponding geometric accuracy, and generates a geometric accuracy detection report in a text form and a trend graph form respectively.
In the above embodiment, the control processing unit 3 has different forms according to the state of the machine tool to be inspected: when the geometric accuracy of the assembled machine tool to be detected is detected, the control processing unit 3 directly adopts a numerical control system matched with the machine tool to be detected, a detection processing module is arranged in the numerical control system, and during detection, a program of the detection processing module is directly called to set detection parameters, control the detection process and analyze and process a detection result.
When the geometric accuracy of the assembled machine tool to be detected is detected, the control processing unit 3 is a detection control system with a control function, can be respectively communicated with the machine tool to be detected and the data acquisition card, acquires a geometric accuracy detection result by controlling the movement of the movement axis of the machine tool to be detected and data interaction between the machine tool and the data acquisition card, and analyzes and processes the detection result.
Although the present invention has been described in detail, the present invention is not limited thereto, and those skilled in the art can make various modifications according to the principle of the present invention. Therefore, modifications made in accordance with the principles of the present invention should be understood to fall within the scope of the present invention.
Claims (5)
1. A digital detection device for geometric accuracy of a machine tool is characterized by comprising a data acquisition card, a displacement sensor, a control processing unit and a standard ruler,
the data acquisition card is used for acquiring detection data and feeding the detection data back to the control processing unit;
the displacement sensor is used for acquiring displacement information, converting the displacement information into an electric signal and transmitting the electric signal to the data acquisition card;
the control processing unit is used for controlling the linear axis motion of the machine tool to be detected, analyzing and processing the detection data fed back by the data acquisition card and generating a detection report;
the standard ruler is arranged on a workbench of the machine tool to be detected; the displacement sensor is arranged on the Z axis of the machine tool to be detected, and a detection head of the displacement sensor moves on the surface of the standard ruler under the action of the control processing unit; the data acquisition card is respectively connected with the displacement sensor and the control processing unit.
2. The digital detection device for the geometric accuracy of the machine tool as claimed in claim 1, wherein the control processing unit is a numerical control system equipped with the machine tool to be detected, and comprises a detection processing module, which can set detection parameters and analyze and process the acquired detection data.
3. The digital detection device for geometric accuracy of machine tool according to claim 1, wherein said control processing unit is an independent detection control system, which is connected to the data acquisition card and the machine tool to be detected, respectively, and realizes the detection of geometric accuracy of the machine tool to be detected by controlling the movement of the movement axis of the machine tool to be detected.
4. The device of claim 1, wherein the data acquisition card acquires two-dimensional coordinate data of the acquisition point from the control processing unit, acquires third-dimensional coordinate data from the displacement sensor, and feeds back the three-dimensional coordinate data forming the acquisition point to the control processing unit.
5. The digital detection device for the geometric accuracy of the machine tool according to any one of claims 1 to 4, wherein the standard ruler is a standard flat ruler or a standard square ruler.
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| CN201921491669.XU CN210513064U (en) | 2019-09-09 | 2019-09-09 | Digital detection device for geometric accuracy of machine tool |
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| CN201921491669.XU CN210513064U (en) | 2019-09-09 | 2019-09-09 | Digital detection device for geometric accuracy of machine tool |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895893A (en) * | 2020-07-15 | 2020-11-06 | 华志微创医疗科技（北京）有限公司 | Visual detection system, method and device capable of rapidly judging coaxiality |
| CN112461170A (en) * | 2019-09-09 | 2021-03-09 | 廊坊精雕数控机床制造有限公司 | Digitalized detection method and device for geometric accuracy of machine tool |
| CN113189936A (en) * | 2021-04-02 | 2021-07-30 | 廊坊精雕数控机床制造有限公司 | Visual assessment method and device for basic motion state of machine tool |
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2019
- 2019-09-09 CN CN201921491669.XU patent/CN210513064U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461170A (en) * | 2019-09-09 | 2021-03-09 | 廊坊精雕数控机床制造有限公司 | Digitalized detection method and device for geometric accuracy of machine tool |
| CN111895893A (en) * | 2020-07-15 | 2020-11-06 | 华志微创医疗科技（北京）有限公司 | Visual detection system, method and device capable of rapidly judging coaxiality |
| CN113189936A (en) * | 2021-04-02 | 2021-07-30 | 廊坊精雕数控机床制造有限公司 | Visual assessment method and device for basic motion state of machine tool |
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