CN219347700U - Product size measuring system with double-displacement sensor for robot - Google Patents
Product size measuring system with double-displacement sensor for robot Download PDFInfo
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- CN219347700U CN219347700U CN202223490630.0U CN202223490630U CN219347700U CN 219347700 U CN219347700 U CN 219347700U CN 202223490630 U CN202223490630 U CN 202223490630U CN 219347700 U CN219347700 U CN 219347700U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model relates to a product size measuring system with a double-displacement sensor for a robot, which comprises the robot, and a first displacement sensor and a second displacement sensor which are arranged on the robot, wherein the first displacement sensor is used for measuring the height of a product to be measured, the second displacement sensor is used for measuring the height of a standard block, the product to be measured and the standard block are arranged on a positioning tool, and the first displacement sensor and the second displacement sensor are connected with an automatic measuring system which is connected with a quality statistics system. The utility model has convenient operation, can reduce the cost and improve the measurement efficiency and the flexibility degree.
Description
Technical Field
The utility model relates to the field of automobile part measurement, in particular to a product size measurement system with a double-displacement sensor for a robot.
Background
At present, for the product size of automobile parts, the following common measurement methods are available: one is to position and place the product on a gauge, and measure the product size by using tools such as a dial indicator, a surface difference ruler, a feeler gauge and the like. The method has the defects of long development period of the gauge, low measurement efficiency and low flexibility degree. And the other is to fix the product by using a positioning tool and measure the size of the product by using three coordinates. The measuring method is high in cost and low in efficiency and flexibility. And the product is scanned in three dimensions by using the 3D laser measuring head, so that the method has high cost and high technical requirements.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a product size measuring system with a double-displacement sensor for a robot, which is convenient to operate, and can improve the measuring efficiency and the flexibility degree while reducing the cost.
The utility model provides a product size measuring system with a double-displacement sensor for a robot, which comprises the robot, and a first displacement sensor and a second displacement sensor which are arranged on the robot, wherein the first displacement sensor is used for measuring the height of a product to be measured, the second displacement sensor is used for measuring the height of a standard block, the product to be measured and the standard block are arranged on a positioning tool, and the first displacement sensor and the second displacement sensor are connected with an automatic measuring system which is connected with a quality statistics system.
Further, the first displacement sensor and the second displacement sensor are mounted on the flange plate of the robot through a fixing tool.
Further, the repetition accuracy of the robot is 0.1mm or less.
Further, the center distance between the first displacement sensor and the second displacement sensor is 25 mm-30 mm.
Further, the positioning tool is provided with six mounting surfaces, and a detachable positioning support is arranged on one of the mounting surfaces.
Further, each mounting surface is provided with standard holes with equal hole pitch.
Further, the automatic measurement system is configured to: and after the first displacement sensor and the second displacement sensor reach the measuring positions, measuring data of the first displacement sensor and the second displacement sensor are automatically read.
Further, the quality statistics system is arranged to store measurement data and to count and analyze the measurement data.
According to the utility model, the product is positioned through the positioning tool, the robot is used for carrying two displacement sensors, and meanwhile, the height difference between the product and a preset standard block is measured, so that the actual deviation of the product is obtained. The utility model has convenient operation, can reduce the cost and improve the measurement efficiency and the flexibility degree.
Drawings
Fig. 1 is a schematic diagram of a product dimension measuring system of a robot with a dual displacement sensor according to the present utility model.
Fig. 2 is a schematic structural diagram of the positioning tool in fig. 1.
Fig. 3 is a flow chart for measuring product dimensions according to the measuring system of fig. 1.
Fig. 4 is a schematic diagram of the displacement sensor zeroing.
Fig. 5 is a schematic diagram of measuring product dimensional deviations according to the method of fig. 3.
Detailed Description
Preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the product size measuring system with the double-displacement sensor for the robot provided by the utility model comprises a robot 1, and a first displacement sensor 2 and a second displacement sensor 3 which are arranged on a flange of the robot 1 through a fixed tool, wherein the first displacement sensor 2 is used for measuring the height of a product 4 to be measured, the second displacement sensor 3 is used for measuring the height of a standard block 5, the product 4 to be measured and the standard block 5 are arranged on a positioning tool 6, and the height difference between the product 4 to be measured and the standard block 5 is the actual surface difference of the product 4 to be measured. The first displacement sensor 2 and the second displacement sensor 3 are connected with an automatic measuring system, and the automatic measuring system is connected with a quality statistics system.
The robot 1 may be an industrial robot or a collaborative robot, and the repetition accuracy is 0.1mm or less.
The fixing tool is a flat plate with the installation positions of the two displacement sensors 2 and 3, and is fixed on the robot 1 through a standard threaded hole on a flange plate of the robot 1. In the present embodiment, the center-to-center distance between the first displacement sensor 2 and the second displacement sensor 3 is between 25mm and 30 mm.
The shape of the standard blocks 5 is determined by the shape of the product 4 to be measured, and the number of the standard blocks and the positions of the standard blocks on the positioning tool 6 are determined by measuring points preset by the product 4 to be measured according to a measuring plan.
The positioning fixture 6 is used for positioning the product 4 to be measured, and as shown in fig. 2, the positioning fixture is provided with six mounting surfaces 61, each mounting surface is provided with standard holes with equal hole pitch, and one mounting surface is provided with four positioning supports 62 for supporting the whole positioning fixture 6. The flexible positioning tool adopted by the utility model can be used for simultaneously installing different products, and also can be used for switching the positioning support so as to reuse the positioning tool for the next project, namely, the flexible positioning tool can be used for simultaneously measuring different projects and different products, thereby greatly improving the measuring efficiency and reducing the cost.
The automatic measuring system is internally provided with the existing measuring software, and after the displacement sensors 2 and 3 reach the measuring position, the measuring data of the displacement sensors 2 and 3, namely the height of the product 4 to be measured and the height of the standard block 5 can be automatically read through the measuring software, the I/O signals of the robot 1 and the data connecting line.
The quality statistics system is a QCS system, and is used for collecting and storing measurement data of each measurement of each item, and performing statistics and analysis on the measurement data, for example, analyzing an actual production capacity index, the degree of influence of different processes on the product size, or other parameters and/or indexes.
Based on the measuring system, the product size measuring method of the robot with the double-displacement sensor comprises the following steps as shown in fig. 3:
step S1, a product size measuring system with a double displacement sensor of the robot is established, and the first displacement sensor 2 and the second displacement sensor 3 are zeroed, so that the initial difference value between the measured value of the first displacement sensor 2 and the measured value of the second displacement sensor 3 is 0. At this time, the product 4 to be measured and the standard block 5 matched with the product 4 to be measured are already mounted on the positioning tool.
As shown in fig. 4, the initial difference H of the two displacement sensors is zero-set by adopting the zero-set seat 3 Equal to the measurement value H 'of the first displacement sensor' 1 Subtracting the measured value H 'of the second displacement sensor' 2 Theoretical initial difference H 3 Equal to zero.
Step S2, the robot 1 is started to bring the robot 1 to the initial measurement position.
Step S3, after the first displacement sensor 2 and the second displacement sensor 3 receive the measurement instruction output by the robot 1, the height of the product 4 to be measured at the measurement position of the robot 1 and the height of the corresponding standard block 5 are measured respectively through an automatic measurement system, and the product size deviation at the measurement position is obtained.
As shown in FIG. 5, the product face difference dimension value H 4 Equal to the measurement value H of the first displacement sensor 1 Subtracting the measured value H of the second displacement sensor 2 The difference between the height of the product 4 to be measured and the height of the standard block 5 is the difference between the product profile and the theoretical standard block, namely the actual size deviation of the product profile. The test contents at the measuring location of the product 4 to be measured include the dimensional deviation of the product profile and the dimensional deviation of the product edge (i.e. the dimensional deviation of the gap), which is obtained in the same way.
And S4, driving the robot 1 to reach the next measuring position, repeating the step S3 until all measuring positions of the product 4 to be measured are measured, and generating a measuring report to obtain the actual size of the product 4 to be measured.
After the measurement report is obtained, step S5 may be further performed: uploading the measurement report to a quality statistics system, carrying out statistical analysis on data in the measurement report by the quality statistics system, and storing the analyzed result to form a database so as to collect and count the influence of each production process on the product size, thereby guiding new projects to adopt more optimal processes for production and manufacturing.
After one product is measured, the product to be measured and the corresponding standard block on the positioning tool 6 can be replaced, and the steps S1 to S5 are repeated to measure the next product or item.
The utility model provides an automatic measurement method for replacing manual measurement of the product size, such as automatic measurement of the size of a spoiler product on an automobile tail door, the product is positioned through a positioning tool, a robot is used for carrying two displacement sensors, meanwhile, the height difference between the product and a standard block preset beside the product is measured, and finally, the actual deviation of the product is obtained.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model, and various modifications can be made to the above-described embodiment of the present utility model. All simple, equivalent changes and modifications made in accordance with the claims and the specification of this application fall within the scope of the patent claims. The present utility model is not described in detail in the conventional art.
Claims (8)
1. The utility model provides a product size measurement system of robot area dual displacement sensor, its characterized in that includes the robot and installs first displacement sensor and the second displacement sensor on the robot, first displacement sensor is used for measuring the height of the product that awaits measuring, the second displacement sensor is used for measuring the height of standard block, the product that awaits measuring with the standard block all locates on the location frock, just first displacement sensor with the second displacement sensor all is connected with an automatic measurement system, automatic measurement system is connected with a quality statistics system.
2. The product dimension measurement system of a robot with dual displacement sensor of claim 1, wherein the first displacement sensor and the second displacement sensor are mounted on a flange of the robot by a fixture.
3. The robotic product dimension measurement system with dual displacement sensor of claim 1, wherein the repetition accuracy of the robot is 0.1mm or less.
4. The robotic product dimension measurement system with dual displacement sensor of claim 1, wherein the first displacement sensor and the second displacement sensor have a center-to-center distance between 25mm and 30 mm.
5. The product dimension measurement system of the robot belt dual displacement sensor of claim 1, wherein the positioning fixture has six mounting surfaces, wherein one of the mounting surfaces is provided with a detachable positioning support.
6. The robotic product dimension measuring system with dual displacement sensor of claim 5, wherein each of said mounting surfaces is provided with standard holes having equal hole spacing.
7. The robotic product dimension measurement system with dual displacement sensor of claim 1, wherein the automated measurement system is configured to: and after the first displacement sensor and the second displacement sensor reach the measuring positions, measuring data of the first displacement sensor and the second displacement sensor are automatically read.
8. The robotic product size measurement system with dual displacement sensor of claim 1, wherein the quality statistics system is configured to store measurement data and to perform statistics and analysis on the measurement data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223490630.0U CN219347700U (en) | 2022-12-26 | 2022-12-26 | Product size measuring system with double-displacement sensor for robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223490630.0U CN219347700U (en) | 2022-12-26 | 2022-12-26 | Product size measuring system with double-displacement sensor for robot |
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| Publication Number | Publication Date |
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| CN219347700U true CN219347700U (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223490630.0U Active CN219347700U (en) | 2022-12-26 | 2022-12-26 | Product size measuring system with double-displacement sensor for robot |
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- 2022-12-26 CN CN202223490630.0U patent/CN219347700U/en active Active
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