CN111982909A - Wood board visual detection device and detection method - Google Patents
Wood board visual detection device and detection method Download PDFInfo
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- CN111982909A CN111982909A CN202010619895.2A CN202010619895A CN111982909A CN 111982909 A CN111982909 A CN 111982909A CN 202010619895 A CN202010619895 A CN 202010619895A CN 111982909 A CN111982909 A CN 111982909A
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- 238000001514 detection method Methods 0.000 title claims abstract description 94
- 239000002023 wood Substances 0.000 title claims abstract description 65
- 230000000007 visual effect Effects 0.000 title claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 238000011179 visual inspection Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- 230000007547 defect Effects 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 9
- 230000008093 supporting effect Effects 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 claims 2
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000252254 Catostomidae Species 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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Abstract
The invention discloses a wood board visual detection device and a detection method thereof, wherein the detection device comprises: the device comprises a rack, a transmission platform and a detection assembly, wherein the transmission platform and the detection assembly are arranged on the rack; linear motors are arranged on two sides of the transmission platform, the detection assembly is arranged above the linear motors, and the linear motors are used for driving the detection assembly to reciprocate along the upper part of the transmission platform; the detection assembly comprises a detection camera and a camera protection device, and the detection camera is connected with an object distance adjusting device. The invention can carry out full-range high-precision detection on the wood board, improves the detection accuracy and improves the product percent of pass.
Description
Technical Field
The invention relates to the technical field of wood board detection, in particular to wood board visual detection equipment and a wood board visual detection method.
Background
The wood board is used as a raw material required by most industries, has a great supporting effect on human life, and has high level on building technology and art because many building structures in China adopt wood.
In the existing production and processing process of the wood board, the wood board needs to be processed with some hole sites and slot sites,
inevitably, there will be sheet defects; for example, during the edge sealing of a sheet material with an edge sealing machine, there may be: the banding area is higher than or is less than the defect such as residual glue or panel surface fish tail are left over to panel surface, in order to make an effective detection to the plank is whole, consequently need carry out the full aspect to some hole sites on plank surface, hole size, trench, groove size, the surface defect of plank and detect, but current check out test set often detection range is little, and detection accuracy is lower.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide wood board visual detection equipment and a detection method, which can realize large-scale accurate detection on the surface of a wood board and improve the detection accuracy.
The purpose of the invention is realized by adopting the following technical scheme:
a plank vision inspection apparatus comprising:
the device comprises a rack, a transmission platform and a detection assembly, wherein the transmission platform and the detection assembly are arranged on the rack;
linear motors are arranged on two sides of the transmission platform, the detection assembly is arranged above the linear motors, and the linear motors are used for driving the detection assembly to reciprocate along the upper part of the transmission platform;
the detection assembly comprises a detection camera and a camera protection device, and the detection camera is connected with an object distance adjusting device.
Further, frame bottom both sides are equipped with two at least horizontal adjusting device, horizontal adjusting device includes L type fixed plate and backup pad, all be equipped with a plurality of screws in L type fixed plate and the backup pad, L type fixed plate rigid coupling corresponds the setting from top to bottom with the backup pad on the frame outer wall, the backup pad passes through adjusting bolt and connects L type fixed plate.
Further, frame one side is equipped with the suction opening, the transmission platform includes a plurality of conveying rollers by motor drive and installs the transmission band on the conveying roller, be equipped with a plurality of sucking discs on the conveying band.
A visual inspection method of a wooden board, applied to the visual inspection apparatus of any one of the above, the inspection method comprising:
the frames are positioned on the same horizontal plane through a horizontal adjusting device;
conveying the board to be detected to the detection range of the detection assembly by the conveying platform;
after the wood board passes through an inlet of the transmission platform, recognizing a two-dimensional code on the surface of the wood board through a code scanning gun, and recording original information data of the wood board;
extracting air in the rack by using an air extraction opening, fixing the wood board on the transmission platform by matching with a surface sucker of the conveyor belt, and acquiring detection data of the surface of the wood board by using the detection camera;
judging whether the wood board is qualified or not according to the detection data, and outputting a detection result of the detection camera through a code pasting machine
Furthermore, the detection data comprise residual glue left on the surface of the wood board, scratch defects on the surface of the wood board, positions of hole sites and slot positions on the surface of the wood board and sizes of the hole sites and the slot positions.
Compared with the prior art, the invention has the beneficial effects that: can drive the detection subassembly through linear electric motor and remove, can carry out detection on a large scale to the plank, can discover the small defect that plank surface is difficult for perceiving through the object distance of adjusting the detection camera, improve and detect the precision.
Drawings
FIG. 1 is a schematic view of an overall structure of a plank vision inspection apparatus according to an embodiment of the present invention.
FIG. 2 is a schematic side view of the overall structure of a plank vision inspection apparatus according to an embodiment of the present invention.
FIG. 3 is a schematic structural diagram of an overall horizontal adjustment device of a wood board visual inspection apparatus according to an embodiment of the present invention.
FIG. 4 is a flowchart illustrating a wood board visual inspection method according to an embodiment of the present invention.
In the figure: 1. a frame; 21. a first code scanning gun; 22. a second code scanning gun; 31. a transport platform; 100. a linear motor; 101. detecting a camera; 102. a code pasting machine; 103. a camera protection device; 104. an object distance adjusting device; 40. a leveling device; 41. an L-shaped fixing plate; 42. adjusting the bolt; 43. and a support plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, and it should be noted that, in the premise of no conflict, the following described embodiments or technical features may be arbitrarily combined to form a new embodiment:
in the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, 2 and 3, fig. 1 is a schematic diagram illustrating an overall structure of a wood board visual inspection apparatus according to an embodiment of the present invention; FIG. 2 is a schematic side view of the overall structure of a plank vision inspection apparatus according to an embodiment of the present invention; FIG. 3 is a schematic structural diagram of an overall horizontal adjustment device of a wood board visual inspection apparatus according to an embodiment of the present invention. The wood board visual inspection apparatus of the present invention will be described in detail with reference to fig. 1, 2 and 3.
In this embodiment, the plank visual inspection apparatus includes: the device comprises a rack 1, a transmission platform 31 and a detection assembly, wherein the transmission platform 31 and the detection assembly are arranged on the rack 1; linear motors 100 are mounted on two sides of the transmission platform 31, the detection assembly is arranged above the linear motors 100, and the linear motors 100 are used for driving the detection assembly to reciprocate along the upper portion of the transmission platform 31; the detection assembly comprises a detection camera 101 and a camera protection device 103, wherein the detection camera 101 is connected with an object distance adjusting device 104.
In order to prevent the detection camera 101 from colliding during moving, the detection assembly further includes a camera protection device 103, in this embodiment, the camera protection device 103 may be an anti-collision plate disposed on two sides of the detection camera 101, in other embodiments, the camera protection device 103 may also adopt other protection devices, and only needs to prevent the detection camera 101 from directly colliding during detection of the detection camera 101, which is not limited herein.
In this embodiment, transmission platform 31 entrance is equipped with sweeps a yard subassembly, sweep a yard subassembly and include that first sign indicating number rifle 21 and second sweep a yard rifle 22, first sign indicating number rifle 21 is used for discerning the positive identification code of plank, the sign indicating number rifle 22 is used for discerning the reverse side identification code of plank is swept to the second, transmission platform 31 exit is equipped with barcode pasting machine 102, barcode pasting machine 102 is used for exporting through the mode of two-dimensional code or bar code detection camera 101's testing result.
In this embodiment, in order to prevent that the ground that frame 1 placed is rugged and uneven, influence the detection effect that detects camera 101, frame 1 bottom both sides are equipped with two at least horizontal adjusting device 40, horizontal adjusting device 40 includes L type fixed plate 41 and backup pad 43, all be equipped with a plurality of screws on L type fixed plate 41 and the backup pad 43, L type fixed plate 41 rigid coupling is on frame 1 outer wall, corresponds the setting from top to bottom with backup pad 43, backup pad 43 passes through adjusting bolt 42 and connects L type fixed plate 41. When in use, the horizontal position of the frame 1 can be adjusted by screwing the adjusting bolt 42, so that the detection camera 101 is in a good detection environment.
In this embodiment, in order to prevent the wood board on the conveying platform 31 from moving in the detection process, an air suction opening is formed in one side of the rack 1, the conveying platform 31 comprises a plurality of conveying rollers driven by a motor and a conveying belt installed on the conveying rollers, and a plurality of suckers are arranged on the conveying belt. The sucking disc can produce the adsorption to the plank, in order to increase the adsorption efficiency of sucking disc, the suction opening of 1 one side of frame can adopt air exhaust devices such as air exhauster, extracts 1 inside air in the frame, increases the adsorption affinity of sucking disc, prevents that the plank from taking place to remove when examining.
Based on above-mentioned structure, the theory of operation of the plank conveying platform of this embodiment is:
the conveying platform 31 is used for conveying the wood boards, the code scanning assembly is used for identifying the identification codes on the wood boards, the condition that one surface of the wood boards is pasted with codes possibly exists in the conveying process, if only one code scanning gun is arranged, missing identification is easily caused, therefore, two code scanning guns are arranged at the entrance of the conveying platform 31 to effectively prevent the wood boards from missing identification, when the wood boards are conveyed to the detection range of the detection camera 101 by the conveying platform 31, the motor drives the conveying platform 31 to stop transmission, the sucking discs on the conveying belt of the conveying platform 31 can prevent the wood boards from sliding, in order to enhance the adsorption effect of the sucking discs, an air suction opening at one side of the rack 1 can be matched with devices such as an exhaust fan and the like to extract air in the rack 1, the adsorption effect of the sucking discs is enhanced, when the wood boards are fixed on the conveying platform 31, the two sides of the conveying, carry out the full range to the plank and detect, in the testing process, there may be some small defects that are easily neglected like design, crackle etc. consequently, detect camera 101 and still be connected with object distance adjusting device 104, can adjust the camera object distance, make and detect camera 101 and have better detection effect when scanning the small defect on plank surface, improve and detect the precision. Meanwhile, since the inspection camera 101 needs to reciprocate when inspecting, the inspection module further includes a camera protection device 103 in order to prevent collision of the camera. In other embodiments, different detection data can be adopted according to actual needs, whether the wood board meets related requirements or not is judged according to one or more detection results, and the related detection results are output to the surface of the wood board in a two-dimensional code or bar code mode through the code pasting machine 102.
Based on the same inventive concept, the invention further provides a wood board visual inspection method, which is applied to the wood board visual inspection equipment, please refer to fig. 4, and fig. 4 is a flow diagram of the wood board visual inspection method according to the embodiment of the invention. The wood board visual detection method provided by the embodiment of the invention comprises the following steps:
s100, enabling the racks to be positioned on the same horizontal plane through a horizontal adjusting device;
s101, after the wood board passes through an inlet of a transmission platform, identifying a two-dimensional code on the surface of the wood board through a code scanning gun, and recording original information data of the wood board;
s102, when the board to be detected is conveyed to the detection range of the detection assembly by the conveying platform; stopping the transmission of the transmission platform;
s103, extracting air in the rack by using an air extraction opening, fixing the wood board on a transmission platform by matching with a surface sucker of a conveyor belt, and acquiring detection data of the surface of the wood board by using a detection camera;
s104: and judging whether the wood board is qualified or not according to the detection data, and outputting a detection result of the detection camera through a code pasting machine.
The detection data comprise residual glue left on the surface of the wood board, scratch defects on the surface of the wood board, positions of hole sites and slot positions on the surface of the wood board and sizes of the hole sites and the slot positions.
The operation principle of the wood board visual inspection method of the embodiment is consistent with that of the wood board visual inspection device, and detailed description is omitted here.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (6)
1. A plank vision inspection apparatus, comprising:
the device comprises a rack, a transmission platform and a detection assembly, wherein the transmission platform and the detection assembly are arranged on the rack;
linear motors are arranged on two sides of the transmission platform, the detection assembly is arranged above the linear motors, and the linear motors are used for driving the detection assembly to reciprocate along the upper part of the transmission platform;
the detection assembly comprises a detection camera and a camera protection device, and the detection camera is connected with an object distance adjusting device.
2. The visual inspection apparatus for wooden boards as claimed in claim 1,
the utility model discloses a plank, including transmission platform entrance, transmission platform exit, including the first sign indicating number rifle of sweeping of transmission platform entrance, sweep a yard subassembly and include that the sign indicating number rifle is swept to first sign indicating number rifle and second, the first sign indicating number rifle of sweeping is used for discerning the positive identification code of plank, the sign indicating number rifle is swept to the second is used for discerning plank reverse side identification code, the transmission platform exit is equipped with the barcode pasting machine, the barcode pasting machine is used for exporting through the mode of two-dimensional code or bar code detection camera's testing.
3. The wood board visual inspection device according to claim 1, wherein at least two horizontal adjusting devices are disposed on two sides of the bottom of the rack, each horizontal adjusting device comprises an L-shaped fixing plate and a supporting plate, each L-shaped fixing plate and each supporting plate are provided with a plurality of screw holes, the L-shaped fixing plate is fixedly connected to the outer wall of the rack and is vertically arranged corresponding to the supporting plate, and the supporting plate is connected with the L-shaped fixing plate through an adjusting bolt.
4. The wood board visual inspection device according to claim 1, wherein an air suction opening is formed in one side of the frame, the conveying platform comprises a plurality of conveying rollers driven by a motor and a conveying belt mounted on the conveying rollers, and the conveying belt is provided with a plurality of suction cups.
5. A visual inspection method of a wooden board, applied to the visual inspection apparatus of a wooden board as claimed in any one of claims 1 to 4, the inspection method comprising:
the frames are positioned on the same horizontal plane through a horizontal adjusting device;
after the wood board passes through an inlet of the transmission platform, recognizing a two-dimensional code on the surface of the wood board through a code scanning gun, and recording original information data of the wood board;
when the conveying platform conveys the wood board to be detected to the detection range of the detection assembly; stopping the transmission of the transmission platform;
extracting air in the rack by using an air extraction opening, fixing the wood board on the transmission platform by matching with a surface sucker of the conveyor belt, and acquiring detection data of the surface of the wood board by using a detection camera;
and judging whether the wood board is qualified or not according to the detection data, and outputting a detection result of the detection camera through a code pasting machine.
6. A visual detection method for a wood board is characterized in that detection data comprise residual glue left on the surface of the wood board, scratch defects on the surface of the wood board, positions of hole sites and slot positions on the surface of the wood board and sizes of the hole sites and the slot positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010619895.2A CN111982909A (en) | 2020-06-30 | 2020-06-30 | Wood board visual detection device and detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010619895.2A CN111982909A (en) | 2020-06-30 | 2020-06-30 | Wood board visual detection device and detection method |
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| CN111982909A true CN111982909A (en) | 2020-11-24 |
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| CN202010619895.2A Pending CN111982909A (en) | 2020-06-30 | 2020-06-30 | Wood board visual detection device and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112677256A (en) * | 2020-12-21 | 2021-04-20 | 芜湖恒丰彩印包装股份有限公司 | Wood moulding wainscot machine with fixed establishment |
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| CN110687126A (en) * | 2019-10-31 | 2020-01-14 | 南宁华数轻量化电动汽车设计院有限公司 | Plank shooting device and defect detection system |
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| CN103512893A (en) * | 2013-09-10 | 2014-01-15 | 上海东富龙科技股份有限公司 | Ampoule bottle head detecting device for light inspection machine |
| CN107966102A (en) * | 2018-01-18 | 2018-04-27 | 中山市鑫光智能系统有限公司 | A kind of plate production six-face detection device |
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