CN110864637A - Method for judging dial height and dial surface flatness based on truss manipulator platform - Google Patents
Method for judging dial height and dial surface flatness based on truss manipulator platform Download PDFInfo
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- CN110864637A CN110864637A CN201911183140.6A CN201911183140A CN110864637A CN 110864637 A CN110864637 A CN 110864637A CN 201911183140 A CN201911183140 A CN 201911183140A CN 110864637 A CN110864637 A CN 110864637A
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- Prior art keywords
- dial plate
- dial
- height
- truss manipulator
- determining
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
A dial plate height and dial plate surface flatness determination method based on a truss manipulator platform relates to the field of dial plate detection. The invention aims to solve the problem that the rotation jamming of a pointer can occur when the pointer is assembled on a dial due to the lack of a technology for detecting the surface flatness of the dial in the prior art. Measuring the distances from the laser to at least three different positions on the dial plate by using laser ranging sensors on the truss manipulator, wherein the at least three different positions are respectively positioned near the center hole of the dial plate; averaging the distances from the laser to at least three different positions on the dial plate; and judging whether each distance meets the set lower limit value or more and the set upper limit value or less, judging whether the average value meets the set upper limit average value or more and the set lower limit average value or more, if so, leveling the surface of the dial plate, and if not, leveling the surface of the dial plate to finish the measurement of the height and the flatness of the dial plate. The method is used for dial plate detection.
Description
Technical Field
The invention relates to a method for detecting the height and the flatness of a dial. Belong to dial plate detection area.
Background
In the automobile combination instrument industry, due to the factors of multiple product types, large structural change, high updating speed and the like, the assembling process is mostly manually operated. The flatness and the height of the assembled dial are not checked in the prior art, when the dial is assembled to be uneven, the problems that a pointer is blocked in rotation, the dial is bulged and the like due to extrusion are caused can be caused, and therefore the dial is judged to be an unqualified product. The existing process adopts manual assembly to the dial, the height of the dial is not judged, and the dial is not flat when being easily assembled, so that rework and product production quality are reduced.
Disclosure of Invention
The invention aims to solve the problems that the prior art lacks a technology for detecting the surface flatness of a dial, so that the assembling of a pointer on the dial can cause the rotation and clamping stagnation of the pointer, and the dial is bulged due to extrusion. A method for judging the height and surface flatness of a dial plate based on a truss manipulator platform is provided.
The dial plate height and dial plate surface flatness determination method based on the truss manipulator platform comprises the following steps:
the method comprises the following steps that firstly, a truss manipulator is controlled to horizontally move above a dial plate, the distances from laser to at least three different positions on the dial plate are measured by using laser ranging sensors on the truss manipulator respectively, and the at least three different positions are located near a central hole of the dial plate respectively;
secondly, averaging the distances from the laser to at least three different positions on the dial plate;
and step three, judging whether each distance meets the set upper limit value which is more than or equal to the set lower limit value and is less than or equal to the set upper limit value, simultaneously judging whether the average value meets the set upper limit average value which is less than or equal to the set upper limit value and is more than or equal to the set lower limit average value, if both the average value meets the two conditions, determining that the surface of the dial plate is flat, and if both the average value does not meet the two conditions, determining that the surface of the dial plate is not flat, thereby taking the distances of the laser reaching at least three different positions on the dial plate as the.
Preferably, in the step one, the position near the central hole of the dial is 5-15mm away from the central hole of the dial.
Preferably, the lower limit value is set to 55.6 mm.
Preferably, the upper limit value is set to 55.9 mm.
Preferably, the upper average is set at 55.82 mm.
Preferably, the lower average is 55.68 mm.
Preferably, before the step one, the method further comprises the preparation steps of:
the tray is jacked up through the cylinder, so that the tray is ready for receiving the dial with a flat surface.
Preferably, the preparation method further comprises the following steps before the preparation step:
and reading the RFID label on the tray through an RFID reader-writer, and starting a preparation step after reading.
The invention has the beneficial effects that:
this application measures the distance that laser reachd at least three different positions on the dial plate through laser rangefinder sensor, will measure at least three distance and get the average value, compare with average value and setting value and every distance that will obtain and set for upper and lower limit value and compare, if satisfy the requirement, then judge dial plate surface roughness, if unsatisfied the requirement, then judge dial plate surface unevenness, at least three distance and dial plate roughness that this application measured are for the later press fitting use.
This application can highly inspect the product after the dial plate assembly, when the height out of tolerance, then do not carry out operation on next step, extra loss can not appear. The product quality and the production efficiency are improved.
Drawings
Fig. 1 is a flowchart of a method for determining a dial height and a dial surface flatness based on a truss manipulator platform according to a first embodiment.
Detailed Description
The first embodiment is as follows: specifically describing the present embodiment with reference to fig. 1, the method for determining the dial height and the dial surface flatness based on the truss manipulator platform according to the present embodiment includes the following steps:
the method comprises the following steps that firstly, a truss manipulator is controlled to horizontally move above a dial plate, the distances from laser to at least three different positions on the dial plate are measured by using laser ranging sensors on the truss manipulator respectively, and the at least three different positions are located near a central hole of the dial plate respectively;
secondly, averaging the distances from the laser to at least three different positions on the dial plate;
and step three, judging whether each distance meets the set upper limit value which is more than or equal to the set lower limit value and is less than or equal to the set upper limit value, simultaneously judging whether the average value meets the set upper limit average value which is less than or equal to the set upper limit value and is more than or equal to the set lower limit average value, if both the average value meets the two conditions, determining that the surface of the dial plate is flat, and if both the average value does not meet the two conditions, determining that the surface of the dial plate is not flat, thereby taking the distances of the laser reaching at least three different positions on the dial plate as the.
The second embodiment is as follows: in the first embodiment, in the first step, the distance from the center hole of the dial to the center hole of the dial is 5-15 mm.
The third concrete implementation mode: in this embodiment, a method for determining the height and the surface flatness of a dial based on a truss manipulator platform according to a first embodiment will be further described, and in this embodiment, the lower limit value is set to 55.6 mm.
The fourth concrete implementation mode: in this embodiment, the method for determining the height and the surface flatness of the dial based on the truss manipulator platform according to the first embodiment is further described, and the upper limit value is set to 55.9 mm.
The fifth concrete implementation mode: in this embodiment, the method for determining the height and the surface flatness of a dial based on a truss manipulator platform according to the first embodiment is further described, and the upper average value is set to 55.82 mm.
The sixth specific implementation mode: the embodiment further describes a method for determining the height and the surface flatness of a dial based on a truss manipulator platform according to the first embodiment, and the average value of the lower limit is 55.68 mm.
The seventh embodiment: the embodiment further describes a method for determining the height and the surface flatness of the dial plate based on the truss manipulator platform, which includes the following steps before the first step:
the tray is jacked up through the cylinder, so that the tray is ready for receiving the dial with a flat surface.
The specific implementation mode is eight: in this embodiment, a method for determining the height and the surface flatness of a dial based on a truss manipulator platform according to a seventh embodiment is further described, wherein the method further includes the following steps before the preparation step:
and reading the RFID label on the tray through an RFID reader-writer, and starting a preparation step after reading.
In this embodiment, the RFID reader is called radio frequency identification.
Claims (8)
1. The dial plate height and dial plate surface flatness determination method based on the truss manipulator platform is characterized by comprising the following steps:
the method comprises the following steps that firstly, a truss manipulator is controlled to horizontally move above a dial plate, the distances from laser to at least three different positions on the dial plate are measured by using laser ranging sensors on the truss manipulator respectively, and the at least three different positions are located near a central hole of the dial plate respectively;
secondly, averaging the distances from the laser to at least three different positions on the dial plate;
and step three, judging whether each distance meets the set upper limit value which is more than or equal to the set lower limit value and is less than or equal to the set upper limit value, simultaneously judging whether the average value meets the set upper limit average value which is less than or equal to the set upper limit value and is more than or equal to the set lower limit average value, if both the average value meets the two conditions, determining that the surface of the dial plate is flat, and if both the average value does not meet the two conditions, determining that the surface of the dial plate is not flat, thereby taking the distances of the laser reaching at least three different positions on the dial plate as the.
2. The method for determining the height and the surface flatness of the dial based on the truss manipulator platform as claimed in claim 1, wherein in the first step, the position near the center hole of the dial is 5-15mm away from the center hole of the dial.
3. The method for determining the height and the surface flatness of the dial plate based on the truss manipulator platform as claimed in claim 1, wherein the lower limit value is set to 55.6 mm.
4. The method for determining the height and the flatness of the dial plate based on the truss manipulator platform as claimed in claim 1, wherein the upper limit value is set to 55.9 mm.
5. The method for determining the height and the flatness of the dial plate based on the truss manipulator platform as claimed in claim 1, wherein the upper average value is set to 55.82 mm.
6. The method for determining the height and the surface flatness of the dial plate based on the truss manipulator platform as claimed in claim 1, wherein the average value of the lower limit is 55.68 mm.
7. The method for determining the height and the surface flatness of the dial plate based on the truss manipulator platform as claimed in claim 1, further comprising a preparation step before the first step:
the tray is jacked up through the cylinder, so that the tray is ready for receiving the dial with a flat surface.
8. The method for determining the height and the flatness of the dial plate based on the truss manipulator platform as claimed in claim 7, further comprising the steps of, before the preparing step:
and reading the RFID label on the tray through an RFID reader-writer, and starting a preparation step after reading.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112356024A (en) * | 2020-10-28 | 2021-02-12 | 歌尔光学科技有限公司 | Adjusting method for Z axis of manipulator |
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CN101893426A (en) * | 2010-07-02 | 2010-11-24 | 西安交通大学 | Method for detecting and controlling laser metal forming height on line |
CN105547199A (en) * | 2015-09-28 | 2016-05-04 | 宇龙计算机通信科技(深圳)有限公司 | Workpiece flatness detection method and device |
CN107421482A (en) * | 2017-09-01 | 2017-12-01 | 上海江南长兴造船有限责任公司 | A kind of method that qualified degree of LNG ship volume of compartment judges |
CN108955586A (en) * | 2018-08-15 | 2018-12-07 | 武汉港湾工程质量检测有限公司 | Smooth degree of layer laser measuring device for measuring |
CN208432231U (en) * | 2018-06-15 | 2019-01-25 | 广州佳昕机电科技有限公司 | A kind of detection device |
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2019
- 2019-11-27 CN CN201911183140.6A patent/CN110864637A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101893426A (en) * | 2010-07-02 | 2010-11-24 | 西安交通大学 | Method for detecting and controlling laser metal forming height on line |
CN105547199A (en) * | 2015-09-28 | 2016-05-04 | 宇龙计算机通信科技(深圳)有限公司 | Workpiece flatness detection method and device |
CN107421482A (en) * | 2017-09-01 | 2017-12-01 | 上海江南长兴造船有限责任公司 | A kind of method that qualified degree of LNG ship volume of compartment judges |
CN208432231U (en) * | 2018-06-15 | 2019-01-25 | 广州佳昕机电科技有限公司 | A kind of detection device |
CN108955586A (en) * | 2018-08-15 | 2018-12-07 | 武汉港湾工程质量检测有限公司 | Smooth degree of layer laser measuring device for measuring |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112356024A (en) * | 2020-10-28 | 2021-02-12 | 歌尔光学科技有限公司 | Adjusting method for Z axis of manipulator |
CN112356024B (en) * | 2020-10-28 | 2022-04-15 | 歌尔光学科技有限公司 | Adjusting method for Z axis of manipulator |
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