CN112304243A - Contour detection device and detection method for plate stamping part - Google Patents
Contour detection device and detection method for plate stamping part Download PDFInfo
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- CN112304243A CN112304243A CN202011258082.1A CN202011258082A CN112304243A CN 112304243 A CN112304243 A CN 112304243A CN 202011258082 A CN202011258082 A CN 202011258082A CN 112304243 A CN112304243 A CN 112304243A
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- stamping part
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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
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- Bending Of Plates, Rods, And Pipes (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a contour detection device and a contour detection method for a plate stamping part. The contour detection device includes: the distance measuring sensor is integrated on the die and used for detecting the distance between a selected characteristic point on the edge of the stamping part and a measuring point; the acquisition module is connected with the distance measuring sensor and used for transmitting the characteristic point distance data acquired by the distance measuring sensor to the database server; and the monitoring server is connected with the database server and is provided with curve fitting software and an intelligent die monitoring system, the curve fitting software is used for fitting a contour curve of the stamping part after the characteristic point distance data is converted into coordinate data and returning the contour curve to the intelligent die monitoring system, and the intelligent die monitoring system is used for determining inflow according to comparison between the contour curve of the stamping part and the preset size of the stamping part. The early warning is timely sent out when the edge deviation out-of-tolerance is detected, so that the consistency of the product quality is ensured.
Description
Technical Field
The invention relates to the technical field of contour detection, in particular to a contour detection device and a contour detection method for a plate stamping part.
Background
In the automatic production line, the function of detecting the outline of the plate stamping part is more important, and the quality of the workpiece can be known by workers in time by detecting the outline of the stamping part in real time. At present, most of stamping part profiles are manually detected, the manual detection needs to be carried out by means of various tools such as a vernier caliper, an angle gauge, a steel plate ruler and the like, the detection time is long, and the efficiency is low. And the manual detection mode has the defects of hysteresis and the like, and is not beneficial to continuous production.
Disclosure of Invention
The present invention is directed to a device and a method for detecting a contour of a sheet stamping part, which are used to overcome the above-mentioned drawbacks of the prior art.
The technical scheme adopted for realizing the purpose of the invention is as follows:
a contour detection device for sheet stamping parts, comprising:
the distance measuring sensor is integrated on the die and used for detecting the distance between a selected characteristic point on the edge of the stamping part and a measuring point;
the acquisition module is connected with the distance measuring sensor and used for transmitting the characteristic point distance data acquired by the distance measuring sensor to the database server;
the monitoring server is connected with the database server, curve fitting software and an intelligent die monitoring system are installed inside the monitoring server, the curve fitting software is used for fitting a stamping part contour curve and returning the stamping part contour curve to the intelligent die monitoring system after the characteristic point distance data are converted into coordinate data, and the intelligent die monitoring system is used for determining inflow according to comparison between the stamping part contour curve and the stamping part preset size.
Wherein, the distance measuring sensor is integrated on the die through a mounting bracket.
Preferably, the mounting bracket is capable of fine adjustment in the lateral as well as longitudinal directions.
The distance measuring sensor ensures that the measuring point is coincident with the position of the characteristic point of the profile of the workpiece by adjusting the transverse height and the longitudinal height of the mounting bracket.
The acquisition module is connected with the distance measuring sensor through the aerial plug, and distance data measured by the distance measuring sensor are transmitted to the acquisition module through the aerial plug.
Preferably, the curve fitting software in the monitoring server adopts CAD software to process the characteristic point distance data and output a stamping part contour curve.
Preferably, the stamping part contour curve is displayed in an inflow monitoring interface of the intelligent die monitoring system.
Preferably, the distance measuring sensor is a laser sensor.
The invention also aims to provide a method for detecting the outline of the plate stamping part, which comprises the following steps:
s1, after the production of the stamping part is finished, a distance measuring instrument detects the distance from a measuring point to a selected characteristic point on the edge of the stamping part;
s2, the distance sensor transmits the acquired feature point distance data to an acquisition module;
s3, the acquisition module transmits the feature point distance data to a database server;
s4, converting feature point distance data into feature point coordinate data by using curve fitting software in the monitoring server, marking and fitting a contour curve of the stamping part by using the feature point coordinate data, and returning the contour curve to the intelligent die monitoring system;
and S5, the intelligent die monitoring system determines inflow according to comparison between the outline curve of the stamping part and the preset size of the plate.
Furthermore, the intelligent die monitoring system further detects the offset of the edge of the stamped part and counts the historical trend of the offset.
Compared with the prior art, the device and the method for detecting the contour of the plate stamping part can detect the contour of the workpiece in real time and send out early warning in time when the edge deviation is detected to be out of tolerance, so that the consistency of the product quality is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a contour detection device for a sheet metal stamping part according to the present invention.
FIG. 2 is a schematic view of a distance measuring sensor and an aerial insert integrated on a mold.
Wherein, 1-mould, 2-distance measuring sensor, 3-navigation insertion.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention converts the distance of the edge characteristic points into the coordinates of the edge characteristic points of the workpiece by detecting the distance of the edge characteristic points, can fit the workpiece contour curve by using the characteristic point coordinates, then detects the contour of the workpiece by comparing the workpiece contour curves, and timely sends out early warning when the edge deviation is out of tolerance, thereby ensuring the consistency of the product quality.
As shown in fig. 1-2, the contour detection device for a sheet metal stamping part of the present invention includes:
the distance measuring sensor 2 is integrated on the die 1 and used for detecting the distance between a selected characteristic point on the edge of the stamping part and a measuring point;
the acquisition module is connected with the distance measuring sensor 1 and used for transmitting the characteristic point distance data acquired by the distance measuring sensor to the database server;
the monitoring server is connected with the database server, curve fitting software and an intelligent die monitoring system are installed inside the monitoring server, the curve fitting software is used for fitting a stamping part contour curve and returning the stamping part contour curve to the intelligent die monitoring system after the characteristic point distance data are converted into coordinate data, and the intelligent die monitoring system is used for determining inflow according to comparison between the stamping part contour curve and the stamping part preset size.
In the above scheme, the curve fitting software directly returns the picture or the dynamic picture to the intelligent mold monitoring system for monitoring after fitting the profile curve. Through the technical scheme, early warning is timely sent out when the edge deviation is detected to be out of tolerance, so that the consistency of product quality is ensured.
In the technical scheme, in addition, the distance measuring sensor 2 has signal interaction with the forming equipment of the workpiece, measurement can be carried out after the forming of the stamping part is finished every time, the production beat is not influenced, and during installation, the distance measuring sensor is aligned to the edge characteristic points of the stamping part and is installed on the outer side of the forming female die of the die 1. In addition, the acquisition module can be installed in an on-site electrical cabinet.
Wherein, the distance measuring sensor is integrated on the die through a mounting bracket. Preferably, the mounting bracket can be finely adjusted in the transverse direction and the longitudinal direction, so that the distance measuring sensor can ensure that the measuring point is coincident with the position of the characteristic point of the profile of the workpiece by adjusting the transverse height and the longitudinal height of the mounting bracket.
The acquisition module is connected with the distance measuring sensor through the aerial plug 3, so that the distance data measured by the distance measuring sensor is transmitted to the acquisition module through the aerial plug.
As an embodiment, the curve fitting software in the monitoring server processes the feature point distance data by using CAD software and outputs a stamping part contour curve. Of course, other available processing software may be used for implementation, and is not limited thereto.
As one embodiment, the stamping profile is displayed in an inflow monitoring interface of the intelligent die monitoring system.
As an embodiment, the distance measuring sensor employs a laser sensor. Of course, other distance sensors may be used, and are not limited.
The invention also provides a method for detecting the outline of the plate stamping part, which comprises the following steps:
s1, after the production of the stamping part is finished, a distance measuring instrument detects the distance from a measuring point to a selected characteristic point on the edge of the stamping part;
s2, the distance sensor transmits the acquired feature point distance data to an acquisition module;
s3, the acquisition module transmits the feature point distance data to a database server;
s4, converting feature point distance data into feature point coordinate data by using curve fitting software in the monitoring server, marking and fitting a contour curve of the stamping part by using the feature point coordinate data, and returning the contour curve to the intelligent die monitoring system;
and S5, the intelligent die monitoring system determines inflow according to comparison between the outline curve of the stamping part and the preset size of the plate.
Furthermore, the intelligent die monitoring system further detects the offset of the edge of the stamped part and counts the historical trend of the offset.
The stamping part contour detection device and the detection method can detect the contour of the workpiece in real time and send out early warning in time when the edge deviation out-of-tolerance is detected, so that the consistency of the product quality is ensured.
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 (10)
1. The utility model provides a profile detection device of panel stamping workpiece which characterized in that includes:
the distance measuring sensor is integrated on the die and used for detecting the distance between a selected characteristic point on the edge of the stamping part and a measuring point;
the acquisition module is connected with the distance measuring sensor and used for transmitting the characteristic point distance data acquired by the distance measuring sensor to the database server;
the monitoring server is connected with the database server, curve fitting software and an intelligent die monitoring system are installed inside the monitoring server, the curve fitting software is used for fitting a stamping part contour curve and returning the stamping part contour curve to the intelligent die monitoring system after the characteristic point distance data are converted into coordinate data, and the intelligent die monitoring system is used for determining inflow according to comparison between the stamping part contour curve and the stamping part preset size.
2. The apparatus for inspecting the contour of a stamped sheet material according to claim 1, wherein the distance measuring sensor is integrated with the die by means of a mounting bracket.
3. A profile testing apparatus for a sheet metal stamping as claimed in claim 2, wherein the mounting bracket is fine adjustable in both the lateral and longitudinal directions.
4. A profile testing device for sheet metal stampings as claimed in claim 2 or 3 wherein the distance measuring sensors ensure that the measuring points coincide with the workpiece profile feature points by adjusting the transverse and longitudinal heights of the mounting brackets.
5. The device for detecting the contour of a sheet stamping part as claimed in claim 1, characterized in that the acquisition module is connected with the distance measuring sensor through an aerial plug, and distance data measured by the distance measuring sensor is transmitted to the acquisition module through the aerial plug.
6. A profile testing apparatus for sheet stampings as claimed in claim 1 wherein curve fitting software within the monitoring server processes the feature point distance data and outputs a profile of the stampings using CAD software.
7. The apparatus for inspecting the contour of a sheet metal stamping according to claim 1, wherein the stamping contour curve is displayed in an inflow monitoring interface of the intelligent die monitoring system.
8. The apparatus for detecting the contour of a stamped sheet metal part according to claim 1, wherein the distance measuring sensor is a laser sensor.
9. The method for detecting the contour of the plate stamping part is characterized by comprising the following steps of:
s1, after the production of the stamping part is finished, a distance measuring instrument detects the distance from a measuring point to a selected characteristic point on the edge of the stamping part;
s2, the distance sensor transmits the acquired feature point distance data to an acquisition module;
s3, the acquisition module transmits the feature point distance data to a database server;
s4, converting feature point distance data into feature point coordinate data by using curve fitting software in the monitoring server, marking and fitting a contour curve of the stamping part by using the feature point coordinate data, and returning the contour curve to the intelligent die monitoring system;
and S5, the intelligent die monitoring system determines inflow according to comparison between the outline curve of the stamping part and the preset size of the plate.
10. The method for detecting the contour of a sheet stamping part according to claim 9, wherein the intelligent die monitoring system further detects the offset of the edge of the stamped stamping part and counts the historical trend of the offset.
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| CN202011258082.1A CN112304243B (en) | 2020-11-12 | 2020-11-12 | Contour detection device and detection method for plate stamping part |
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| CN202011258082.1A CN112304243B (en) | 2020-11-12 | 2020-11-12 | Contour detection device and detection method for plate stamping part |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113927672A (en) * | 2021-10-12 | 2022-01-14 | 东莞市硅翔绝缘材料有限公司 | Rapid acceptance method for cutting die |
| CN115213255A (en) * | 2022-07-15 | 2022-10-21 | 上汽通用五菱汽车股份有限公司 | Method for adjusting dimensional deviation of stamping part, electronic device and storage medium |
| WO2024146037A1 (en) * | 2023-01-04 | 2024-07-11 | 宁德时代新能源科技股份有限公司 | Adapter piece quality inspection method and apparatus, adapter piece production method, adapter piece production device, and medium |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1047950A (en) * | 1996-07-31 | 1998-02-20 | Kawasaki Steel Corp | Method for measuring profile of long object |
| JP2007152427A (en) * | 2005-11-08 | 2007-06-21 | Toyota Motor Corp | Method and apparatus for determining press defect, and press forming apparatus |
| US20090319224A1 (en) * | 2006-07-20 | 2009-12-24 | Rolls-Royce Plc | Method for characterising the profile of a surface |
| CN102003937A (en) * | 2010-09-15 | 2011-04-06 | 中国科学院近代物理研究所 | Punched sheet detection method and measurement seat thereof for detection |
| CN102553985A (en) * | 2012-01-10 | 2012-07-11 | 北方工业大学 | Variable cross-section cold-bending forming contour detection and control device and method |
| CN102728729A (en) * | 2012-07-11 | 2012-10-17 | 广西工学院 | Control method of full-life periodical processing precision of mould |
| JP2014124683A (en) * | 2012-12-27 | 2014-07-07 | Daihatsu Motor Co Ltd | Press molding mold |
| CN104535035A (en) * | 2014-12-12 | 2015-04-22 | 长沙中联消防机械有限公司 | External dimension detection device and external dimension detection system for part |
| CN104570934A (en) * | 2013-10-14 | 2015-04-29 | 鸿富锦精密工业（深圳）有限公司 | Product machining part detection method and system |
| CN106338229A (en) * | 2016-08-05 | 2017-01-18 | 浙江陆虎汽车有限公司 | Method for measuring contour of workpiece |
| CN107560550A (en) * | 2017-09-08 | 2018-01-09 | 广东工业大学 | A kind of acquisition methods and system of body surface parameter |
| CN108398114A (en) * | 2018-02-12 | 2018-08-14 | 武汉华星光电半导体显示技术有限公司 | Curved surface side edge thereof curvature measurement device, measuring system and measurement method |
| JP2018151222A (en) * | 2017-03-10 | 2018-09-27 | Ｊｆｅスチール株式会社 | Method for evaluating distortion of steel plate |
| CN208419880U (en) * | 2018-07-05 | 2019-01-22 | 吉林省世鑫冲压有限公司 | A kind of automatic detection tool for stamping parts of automobile |
| CN110961732A (en) * | 2020-01-03 | 2020-04-07 | 重庆大学 | Machining method and system of cycloid gear |
| CN211504075U (en) * | 2019-11-27 | 2020-09-15 | 信义汽车部件（芜湖）有限公司 | Automobile glass spherical surface detection device |
| CN111842661A (en) * | 2020-07-27 | 2020-10-30 | 格致汽车科技股份有限公司 | Stamping die capable of measuring inflow amount and using method and application thereof |
-
2020
- 2020-11-12 CN CN202011258082.1A patent/CN112304243B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1047950A (en) * | 1996-07-31 | 1998-02-20 | Kawasaki Steel Corp | Method for measuring profile of long object |
| JP2007152427A (en) * | 2005-11-08 | 2007-06-21 | Toyota Motor Corp | Method and apparatus for determining press defect, and press forming apparatus |
| US20090319224A1 (en) * | 2006-07-20 | 2009-12-24 | Rolls-Royce Plc | Method for characterising the profile of a surface |
| CN102003937A (en) * | 2010-09-15 | 2011-04-06 | 中国科学院近代物理研究所 | Punched sheet detection method and measurement seat thereof for detection |
| CN102553985A (en) * | 2012-01-10 | 2012-07-11 | 北方工业大学 | Variable cross-section cold-bending forming contour detection and control device and method |
| CN102728729A (en) * | 2012-07-11 | 2012-10-17 | 广西工学院 | Control method of full-life periodical processing precision of mould |
| JP2014124683A (en) * | 2012-12-27 | 2014-07-07 | Daihatsu Motor Co Ltd | Press molding mold |
| CN104570934A (en) * | 2013-10-14 | 2015-04-29 | 鸿富锦精密工业（深圳）有限公司 | Product machining part detection method and system |
| CN104535035A (en) * | 2014-12-12 | 2015-04-22 | 长沙中联消防机械有限公司 | External dimension detection device and external dimension detection system for part |
| CN106338229A (en) * | 2016-08-05 | 2017-01-18 | 浙江陆虎汽车有限公司 | Method for measuring contour of workpiece |
| JP2018151222A (en) * | 2017-03-10 | 2018-09-27 | Ｊｆｅスチール株式会社 | Method for evaluating distortion of steel plate |
| CN107560550A (en) * | 2017-09-08 | 2018-01-09 | 广东工业大学 | A kind of acquisition methods and system of body surface parameter |
| CN108398114A (en) * | 2018-02-12 | 2018-08-14 | 武汉华星光电半导体显示技术有限公司 | Curved surface side edge thereof curvature measurement device, measuring system and measurement method |
| CN208419880U (en) * | 2018-07-05 | 2019-01-22 | 吉林省世鑫冲压有限公司 | A kind of automatic detection tool for stamping parts of automobile |
| CN211504075U (en) * | 2019-11-27 | 2020-09-15 | 信义汽车部件（芜湖）有限公司 | Automobile glass spherical surface detection device |
| CN110961732A (en) * | 2020-01-03 | 2020-04-07 | 重庆大学 | Machining method and system of cycloid gear |
| CN111842661A (en) * | 2020-07-27 | 2020-10-30 | 格致汽车科技股份有限公司 | Stamping die capable of measuring inflow amount and using method and application thereof |
Non-Patent Citations (3)
| Title |
|---|
| 刘杰 等: "汽车后立柱外板成形工艺分析及多目标优化", 《兵器材料科学与工程》 * |
| 姚玉南等: "便携式大曲面在线测量与拟合系统", 《起重运输机械》 * |
| 朱红萍 等: "基于FASTAMP的汽车横梁支架拉延工艺设计及制件检测", 《模具技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113927672A (en) * | 2021-10-12 | 2022-01-14 | 东莞市硅翔绝缘材料有限公司 | Rapid acceptance method for cutting die |
| CN115213255A (en) * | 2022-07-15 | 2022-10-21 | 上汽通用五菱汽车股份有限公司 | Method for adjusting dimensional deviation of stamping part, electronic device and storage medium |
| CN115213255B (en) * | 2022-07-15 | 2024-06-07 | 上汽通用五菱汽车股份有限公司 | Stamping part size deviation adjusting method, electronic equipment and storage medium |
| WO2024146037A1 (en) * | 2023-01-04 | 2024-07-11 | 宁德时代新能源科技股份有限公司 | Adapter piece quality inspection method and apparatus, adapter piece production method, adapter piece production device, and medium |
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Address after: 100083 No. 18 clear road, Haidian District, Beijing Patentee after: China National Machinery Institute Group Beijing Electromechanical Research Institute Co.,Ltd. Patentee after: SAIC GM WULING AUTOMOBILE Co.,Ltd. Address before: 100083 No. 18 clear road, Haidian District, Beijing Patentee before: BEIJING Research Institute OF MECHANICAL & ELECTRICAL TECHNOLOGY Patentee before: SAIC GM WULING AUTOMOBILE Co.,Ltd. |
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