CN113203365B - Online detection method for plate warping deformation - Google Patents
Online detection method for plate warping deformation Download PDFInfo
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- CN113203365B CN113203365B CN202110397073.9A CN202110397073A CN113203365B CN 113203365 B CN113203365 B CN 113203365B CN 202110397073 A CN202110397073 A CN 202110397073A CN 113203365 B CN113203365 B CN 113203365B
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 239000000523 sample Substances 0.000 claims abstract description 62
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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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
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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Abstract
The invention discloses an on-line detection method for warpage deformation of a plate, which comprises the following steps: the transmission mechanism is installed and is obliquely arranged at 5-20 degrees; a door-shaped frame is arranged in the middle of the transmission mechanism, and a laser probe is arranged on the door-shaped frame along the linear direction; starting a laser probe, and sequentially placing the plates to be detected on a transmission mechanism for uniform transmission; all the laser probes measure the distances between the laser probes and the surface of the plate to be detected on line and send the measurement results to the computer controller in real time; and obtaining a 3D graph corresponding to the board to be detected. According to the invention, the surface distance of the product is measured by arranging a series of laser probes in the non-transmission direction of the product, a 3D distribution map of the product is formed on a computer screen after the product flows through the inspection equipment, whether the product is qualified in warping is determined by specification judgment, the measurement efficiency is high, and the product is inspected one by one on line, so that the full inspection of the product is realized.
Description
Technical Field
The invention belongs to the field of plate warpage detection, and particularly relates to an on-line detection method for plate warpage deformation.
Background
The plate can generate buckling deformation due to reasons such as unreasonable structural design and uneven thickness, some buckling deformation is not obvious, the plate is difficult to find without equipment, the traditional detection method usually adopts an off-line sampling detection mode, the measurement efficiency is low, and more problems exist. Therefore, on one hand, the products with poor warping are missed to be detected to users, adverse effects and large loss are caused, and on the other hand, the production yield is influenced by misjudgment of partial good products.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides an on-line detection method for the warpage deformation of a plate.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
an on-line detection method for warpage deformation of a plate comprises the following steps:
the method comprises the following steps: the transmission mechanism is installed and is obliquely arranged at 5-20 degrees;
step two: a door-shaped frame is arranged in the middle of the transmission mechanism, and a laser probe is arranged on the door-shaped frame along the linear direction, wherein the arrangement direction of the laser probe is vertical to the transmission direction of the transmission mechanism, and the laser probe is vertical to the bearing surface of the transmission mechanism;
step three: starting a laser probe, and sequentially placing the plates to be detected on a transmission mechanism for uniform transmission;
step four: all the laser probes measure the distances between the laser probes and the surface of the plate to be detected on line and send the measurement results to the computer controller in real time;
step five: and when the board to be detected completely passes through the laser probes, the computer controller performs graph drawing according to all the measurement results of all the laser probes to obtain a 3D graph corresponding to the board to be detected.
Furthermore, the plates to be detected on the transmission mechanism are all placed at an inclination angle of 10 degrees and are transmitted at a constant speed.
Further, the laser probe is CL-L030 in model.
Further, the drawing of the graph in the fifth step specifically includes: and sending the detection results to the computer controller by all the laser probes according to the uniform time gap, wherein the detection results of all the laser probes at each time point correspond to all values on the same abscissa on the 3D graph, and the product of the time gap of the laser probes and the transmission speed of the transmission mechanism is used as the abscissa gap value of the 3D graph, so that the 3D graph drawing result of the board to be detected is finally obtained.
Furthermore, the inside of the door-shaped frame is provided with a probe fixing bracket, and the probe fixing bracket is uniformly provided with laser probes along the linear direction;
the conveying mechanism comprises a bottom cross beam and supporting side beams symmetrically arranged at two ends of the bottom cross beam, a supporting top beam is arranged between the top ends of the two supporting side beams, reinforced connecting beams are uniformly distributed on the surface of the supporting top beam along the linear direction, air cushion rods are uniformly distributed on the surface of the reinforced connecting beams along the inclined plane direction, and a plate to be detected is placed on the surface of each air cushion rod; a driving shaft is uniformly distributed in the middle of the bottom cross beam, one end of the driving shaft is provided with a driving wheel, the other end of the driving shaft is connected with a driving motor, and the bottom end of the plate to be detected is in contact connection with the driving wheel;
the door-shaped frame comprises a supporting inclined plate, the top end of the supporting inclined plate is provided with a positioning top plate fixedly connected with a supporting top beam, and the bottom end of the supporting inclined plate is provided with a supporting bottom plate fixedly connected with a bottom cross beam;
the probe fixing support comprises a fixed inclined plate and a positioning bottom plate vertically arranged at the bottom of the fixed inclined plate, the positioning bottom plate is fixedly connected with the supporting inclined plate, an open slot is formed in the surface of the fixed inclined plate, a sliding clamping slot is formed in the inner end of the open slot, a strip-shaped slot is formed in the middle of the inner surface of the sliding clamping slot, and an adjusting fixing plate is slidably arranged in the sliding clamping slot;
the center of the surface of the adjusting fixing plate is provided with an adjusting screw hole, the outer side of the adjusting screw hole is symmetrically provided with fastening screw holes, and a fastening jackscrew is arranged in each fastening screw hole; the laser probe comprises an adjusting screw matched with the adjusting screw hole, and one end of the adjusting screw is connected with the sensing probe through a transition connecting rod.
Furthermore, an annular limiting groove matched with the plate to be detected is formed in the periphery of the driving wheel.
The invention has the beneficial effects that:
according to the invention, the distance between the surfaces of the products is measured by arranging a series of laser probes in the non-transmission direction of the products, after the products flow through the inspection equipment, a 3D distribution diagram of the products is formed on a computer screen, whether the products are warped to be qualified or not is determined by specification judgment, the measurement efficiency is high, and the products are inspected one by one on line, so that the full inspection of the products is realized.
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 schematic diagram of the use configuration of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is a schematic view of a partial structure of the present invention;
FIG. 4 is a partial schematic of the present invention;
fig. 5 is an exploded view of a partial structure of the present invention.
Detailed Description
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
As shown in fig. 1, the method for detecting warpage deformation of a sheet material on line includes the following steps:
the method comprises the following steps: the transmission mechanism 1 is installed and is obliquely arranged at an angle of 5-20 degrees;
step two: a door-shaped frame 2 is arranged in the middle of the transmission mechanism 1, a laser probe 4 is arranged on the door-shaped frame 2 along the linear direction, the arrangement direction of the laser probe 4 is vertical to the transmission direction of the transmission mechanism 1, and the laser probe 4 is vertical to the bearing surface of the transmission mechanism 1;
step three: starting the laser probe 4, and sequentially placing the plates to be detected 5 on the transmission mechanism 1 for uniform transmission;
step four: all the laser probes 4 measure the distances between the laser probes and the surface of the plate 5 to be detected on line, and the measurement results are sent to the computer controller in real time;
step five: and when the board 5 to be detected completely passes through the laser probes 4, the computer controller performs graph drawing according to all the measurement results of all the laser probes 4 to obtain a 3D graph corresponding to the board 5 to be detected.
The drawing of the graph specifically comprises: and sending the detection results to the computer controller by all the laser probes 4 according to the uniform time gap, wherein the detection results of all the laser probes 4 at each time point correspond to all numerical values on the same abscissa on the 3D graph, and the product of the time gap of the laser probes 4 and the transmission speed of the transmission mechanism 1 is used as the abscissa gap value of the 3D graph, so that the 3D graph drawing result of the board 5 to be detected is finally obtained.
Wherein the plates 5 to be detected on the transmission mechanism 1 are all placed at an inclination angle of 10 degrees and are transmitted at a constant speed, and the type of the laser probe 4 is CL-L030.
For example, the detection method can be well applied to the warpage detection of the glass substrate, and the defect of the traditional mapping method for the warpage detection of the glass substrate is overcome.
As shown in fig. 1, a probe fixing bracket 3 is arranged in a door-shaped frame 2, and laser probes 4 are uniformly distributed on the probe fixing bracket 3 along the linear direction;
as shown in fig. 2, the transmission mechanism 1 includes a bottom cross beam 11 and support side beams 12 symmetrically installed at two ends of the bottom cross beam 11, a support top beam 13 is installed between the top ends of the two support side beams 12, reinforced connection beams 14 are uniformly distributed on the surface of the support top beam 13 along a straight line direction, air cushion rods 15 are uniformly distributed on the surface of the reinforced connection beams 14 along an inclined plane direction, air flotation holes are uniformly distributed on the surfaces of the air cushion rods 15, and a plate 5 to be detected is placed on the surfaces of the air cushion rods 15; a driving shaft 16 is uniformly distributed in the middle of the bottom cross beam 11, one end of the driving shaft 16 is provided with a driving wheel 17, the other end of the driving shaft 16 is connected with a driving motor, the bottom end of the plate to be detected 5 is in contact connection with the driving wheel 17, and the periphery of the driving wheel 17 is provided with an annular limiting groove matched with the plate to be detected 5;
as shown in fig. 3, the door-shaped frame 2 includes a supporting inclined plate 21, a positioning top plate 22 fixedly connected with the supporting top beam 13 is arranged at the top end of the supporting inclined plate 21, and a supporting bottom plate 23 fixedly connected with the bottom cross beam 11 is arranged at the bottom end of the supporting inclined plate 21;
as shown in fig. 4, the probe fixing bracket 3 includes a fixed inclined plate 31 and a positioning bottom plate 32 vertically arranged at the bottom of the fixed inclined plate 31, the positioning bottom plate 32 is fixedly connected with the supporting inclined plate 21, an open slot 33 is arranged on the surface of the fixed inclined plate 31, a sliding slot 34 is arranged at the inner end of the open slot 33, a strip-shaped slot 35 is arranged in the middle of the inner surface of the sliding slot 34, and an adjusting fixing plate 36 is slidably arranged in the sliding slot 34;
as shown in fig. 5, an adjusting screw hole 361 is formed in the center of the surface of the adjusting fixing plate 36, fastening screw holes 362 are symmetrically formed outside the adjusting screw hole 361, and a fastening jackscrew 363 is installed in the fastening screw hole 362; the laser probe 4 comprises an adjusting screw 41 matched with the adjusting screw hole 361, and one end of the adjusting screw 41 is connected with a sensing probe 43 through a transition connecting rod 42.
During the specific use, can adopt the laser probe 4 of different models to different products, can freely adjust the interval of laser probe 4 and with treat the perpendicular distance of pick-up plate 5 when installation as required to can treat the pick-up plate 5 to whole and carry out continuous detection, guarantee the continuity and the reliability of data.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (4)
1. An on-line detection method for the warpage deformation of a plate is characterized in that: the detection method comprises the following steps:
the method comprises the following steps: the transmission mechanism (1) is installed and is obliquely arranged at an angle of 5-20 degrees;
step two: a door-shaped frame (2) is arranged in the middle of the transmission mechanism (1), a laser probe (4) is arranged on the door-shaped frame (2) along the linear direction, the arrangement direction of the laser probe (4) is vertical to the transmission direction of the transmission mechanism (1), and the laser probe (4) is vertical to the bearing surface of the transmission mechanism (1);
step three: starting the laser probe (4), and sequentially placing the plates to be detected (5) on the transmission mechanism (1) for uniform transmission;
step four: all the laser probes (4) measure the distances between the laser probes and the surface of the plate to be detected (5) on line and send the measurement results to the computer controller in real time;
step five: when the board (5) to be detected completely passes through the laser probes (4), the computer controller performs graph drawing according to all measurement results of all the laser probes (4) to obtain a 3D graph corresponding to the board (5) to be detected;
the drawing of the graph in the fifth step specifically comprises the following steps: all the laser probes (4) send detection results to the computer controller according to the uniform time interval, the detection results of all the laser probes (4) at each time point correspond to all values on the same abscissa on the 3D graph, and the product of the time interval of the laser probes (4) and the transmission speed of the transmission mechanism (1) is used as the abscissa interval value of the 3D graph, so that the 3D graph drawing result of the board (5) to be detected is finally obtained;
a probe fixing support (3) is arranged in the door-shaped frame (2), and laser probes (4) are uniformly distributed on the probe fixing support (3) along the linear direction;
the conveying mechanism (1) comprises a bottom cross beam (11) and supporting side beams (12) symmetrically arranged at two ends of the bottom cross beam (11), a supporting top beam (13) is arranged between the top ends of the two supporting side beams (12), reinforced connecting beams (14) are uniformly distributed on the surface of the supporting top beam (13) along the linear direction, air cushion rods (15) are uniformly distributed on the surface of each reinforced connecting beam (14) along the inclined plane direction, and a plate to be detected (5) is placed on the surface of each air cushion rod (15); a driving shaft (16) is uniformly distributed in the middle of the bottom cross beam (11), one end of the driving shaft (16) is provided with a driving wheel (17), the other end of the driving shaft (16) is connected with a driving motor, and the bottom end of the plate to be detected (5) is connected with the driving wheel (17) in a contact manner;
the portal frame (2) comprises a supporting inclined plate (21), the top end of the supporting inclined plate (21) is provided with a positioning top plate (22) fixedly connected with a supporting top beam (13), and the bottom end of the supporting inclined plate (21) is provided with a supporting bottom plate (23) fixedly connected with a bottom cross beam (11);
the probe fixing support (3) comprises a fixed inclined plate (31) and a positioning bottom plate (32) vertically arranged at the bottom of the fixed inclined plate (31), the positioning bottom plate (32) is fixedly connected with the supporting inclined plate (21), an open slot (33) is formed in the surface of the fixed inclined plate (31), a sliding clamping groove (34) is formed in the inner end of the open slot (33), a strip-shaped groove (35) is formed in the middle of the inner surface of the sliding clamping groove (34), and an adjusting fixing plate (36) is slidably mounted in the sliding clamping groove (34);
an adjusting screw hole (361) is formed in the center of the surface of the adjusting fixing plate (36), fastening screw holes (362) are symmetrically formed in the outer sides of the adjusting screw holes (361), and fastening jackscrews (363) are installed in the fastening screw holes (362); the laser probe (4) comprises an adjusting screw rod (41) matched with the adjusting screw hole (361), and one end of the adjusting screw rod (41) is connected with a sensing probe (43) through a transition connecting rod (42).
2. The on-line detection method for the warpage deformation of the sheet material as claimed in claim 1, wherein: the plates (5) to be detected on the transmission mechanism (1) are placed at an inclination angle of 10 degrees and are transmitted at a constant speed.
3. The on-line detection method for the warpage deformation of the sheet material as claimed in claim 1, wherein: the type of the laser probe (4) is CL-L030.
4. The on-line detection method for the warpage deformation of the sheet material as claimed in claim 1, wherein: and an annular limiting groove matched with the plate (5) to be detected is formed in the peripheral side of the driving wheel (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110397073.9A CN113203365B (en) | 2021-04-13 | 2021-04-13 | Online detection method for plate warping deformation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110397073.9A CN113203365B (en) | 2021-04-13 | 2021-04-13 | Online detection method for plate warping deformation |
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| CN113203365A CN113203365A (en) | 2021-08-03 |
| CN113203365B true CN113203365B (en) | 2023-03-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117553701B (en) * | 2024-01-12 | 2024-03-22 | 山东晟昌新材料有限公司 | On-line detection device and method for warping of wood board |
| CN117718254B (en) * | 2024-01-23 | 2024-07-02 | 东莞市途凌科技有限公司 | Full-automatic shielding case intelligent monitoring screening plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202166619U (en) * | 2011-07-26 | 2012-03-14 | 武汉点线科技有限公司 | Surface quality detection device for steel plate |
| KR101632462B1 (en) * | 2012-11-21 | 2016-06-21 | 주식회사 포스코 | Simultaneous measurement system for asymmetric upper and lower amount of side surface of slab and warping |
| CN207816847U (en) * | 2017-12-19 | 2018-09-04 | 湖北我的科技有限公司 | A kind of plate defect detection device |
| CN209379450U (en) * | 2018-10-24 | 2019-09-13 | 彩虹（合肥）液晶玻璃有限公司 | A kind of liquid crystal glass base production product defect check device |
| CN110044305B (en) * | 2019-04-03 | 2024-02-02 | 信义汽车玻璃(深圳)有限公司 | Glass curvature detection device and glass curvature detection method |
| CN111750801A (en) * | 2020-06-17 | 2020-10-09 | 武汉钢铁有限公司 | A method and measurement platform for offline non-contact evaluation of steel plate type |
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