CN110687126B - Plank shooting device and defect detection system - Google Patents
Plank shooting device and defect detection system Download PDFInfo
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- CN110687126B CN110687126B CN201911049475.9A CN201911049475A CN110687126B CN 110687126 B CN110687126 B CN 110687126B CN 201911049475 A CN201911049475 A CN 201911049475A CN 110687126 B CN110687126 B CN 110687126B
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- 230000007547 defect Effects 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 239000002023 wood Substances 0.000 claims abstract description 60
- 230000000007 visual effect Effects 0.000 claims description 58
- 230000000712 assembly Effects 0.000 claims description 21
- 238000000429 assembly Methods 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 21
- 230000001678 irradiating effect Effects 0.000 claims description 9
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009191 jumping Effects 0.000 abstract description 5
- 238000007373 indentation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention provides a plank shooting device and a defect detection system, comprising: a first photographing part, a second photographing part, a third photographing part, and a fourth photographing part arranged in parallel; the first shooting part comprises a first light source assembly and a first shooting assembly which are fixed in the first rack; the second shooting part comprises a second light source assembly and a second shooting assembly which are fixed in the second rack; the third shooting part comprises a third shooting component fixed in a third rack; the fourth shooting part comprises a fourth light source assembly and a fourth shooting assembly which are fixed in the fourth rack; the wood board shooting device and the defect detection system provided by the invention can shoot defects such as wood board roughness, jumping angles and axe marks on front and rear sides, jumping angles and axe marks on left and right sides, greasy dirt spots, foreign matters, indentations, cracks and the like on the surfaces.
Description
Technical Field
The invention belongs to the technical field of wood processing detection, and particularly relates to a wood board shooting device and a defect detection system.
Background
The existing solid wood board detection and inspection operation mainly uses manual detection, the labor intensity is high, the labor efficiency is low, and detection standards among detection personnel are inconsistent, so that the detection effect is different from person to person, the phenomena of over-inspection and omission are difficult to avoid, and the detection quality is difficult to guarantee. In the existing plank shooting and detecting system, the shooting and detecting device is single, and can not shoot and detect various defects.
The utility model patent application of publication No. CN205333536U discloses a solid wood plate surface defect double-sided detection device, which comprises a plate conveying device which is horizontally arranged, wherein a front laser color profile scanner positioned above the plate conveying device and a scanning device of a back laser color profile scanner positioned below the plate conveying device are arranged in the plate conveying device; the conveyor belt device at least comprises a first conveyor belt and a second conveyor belt which are linearly arranged and have the same running line speed, a scanning gap is reserved between the first conveyor belt and the second conveyor belt, and a back laser color profile scanner is positioned right below the scanning gap; the heights of the conveying belt device and the back laser color profile scanner can be adjusted, and the front laser color profile scanner and the back laser color profile scanner are symmetrical relative to the solid wood board.
It can be seen that the plank shooting and detecting system in the prior art mainly relies on the laser color profile scanner to carry out shooting detection, once shooting angle and position are fixed, the shooting and detecting positions cannot be covered completely due to the irreversibility of plank conveying no matter whether the subsequent angle is replaced or not, and the requirements of diversity shooting and detecting cannot be met.
Chinese invention patent CN108537153a;
chinese invention patent CN106018431a;
chinese invention patent CN108181324a;
chinese invention patent CN107561091a;
chinese invention patent CN109085179a;
chinese invention patent CN109540911a;
chinese utility model patent CN201413296Y;
Chinese utility model patent CN205333536U.
Disclosure of Invention
The invention aims to provide a wood board shooting device and a defect detection system, and aims to solve the problems that shooting and detection parts cannot be covered completely and shooting and detection of multiple parts cannot be met in the prior art.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
The invention provides a plank shooting device, comprising: a first photographing part, a second photographing part, a third photographing part, and a fourth photographing part arranged in parallel; the first shooting part comprises a first light source assembly and a first shooting assembly which are fixed in the first rack; the second shooting part comprises a second light source assembly and a second shooting assembly which are fixed in the second rack; the third shooting part comprises a third shooting component fixed in a third rack; the fourth shooting part comprises a fourth light source assembly and a fourth shooting assembly which are fixed in the fourth rack;
The first light source assembly comprises a first adjusting frame, a first visual light source, a first adjusting screw rod, a first movable hinge and a first mounting plate; the two ends of the first adjusting frame are also provided with a first linear guide rail and a first guide rail sliding block, the first linear guide rail is movably connected with the first guide rail sliding block, the first guide rail sliding block is fixedly connected with the first mounting plate and used for providing a movable range of the first mounting plate in the vertical direction, the middle part of the first adjusting frame is also provided with a first screw rod adjusting mechanism used for locking the first mounting plate, and the two ends of the first mounting plate are movably connected with the first visual light source through a first movable hinge; the middle part of the first mounting plate is also connected with a first visual light source through a first adjusting screw rod, and the first adjusting screw rod is used for adjusting the irradiation angle of the first visual light source;
The first photographing assembly comprises a first camera, a second adjusting screw, a first movable guide post, a first fixing piece, a second adjusting frame and a second screw rod adjusting mechanism, wherein a second linear guide rail and a second guide rail sliding block are arranged on the second adjusting frame, the second linear guide rail is movably connected with the second guide rail sliding block, the second screw rod adjusting mechanism is arranged on the second adjusting frame and used for locking the second guide rail sliding block, and a first lens is arranged on the first camera; the first movable guide pillar is movably connected with the first fixing piece, the first fixing piece is fixedly connected with the second guide rail sliding block, the first movable guide pillar is fixedly connected with the first camera and used for providing moving guidance in the vertical direction, and the second adjusting screw is fixedly connected with the first camera and used for locking the first camera;
the second light source assembly comprises a second visual light source, a third adjusting screw, a second movable hinge and a second mounting plate; the two ends of the second mounting plate are movably connected with the second visual light source through a second movable hinge, the middle part of the second mounting plate is movably connected with the second visual light source through a third adjusting screw, and the third adjusting screw is used for adjusting the irradiation angle of the second visual light source;
The second photographing assembly comprises a third mounting plate, a fourth adjusting screw, a fifth adjusting screw, a third fixing piece and a second camera; the third mounting plate is provided with a third linear guide rail and a third guide rail sliding block, the third linear guide rail and the third guide rail sliding block are movably connected, the third guide rail sliding block is fixedly connected with a third fixing piece, the third fixing piece is also movably connected with the third mounting plate through a fourth adjusting screw, a shell, a rotating piece, a fixed pin shaft, a rotating pin shaft and a rotating track are further arranged in the third fixing piece, the rotating piece is movably connected on the shell through the fixed pin shaft, the rotating pin shaft is arranged at two ends of the rotating piece and is movably connected with the rotating track, the fifth adjusting screw penetrates through the shell of the third fixing piece and is fixedly connected with the rotating piece to limit the movement range of the rotating piece, the second camera is fixedly connected with the rotating pin shaft penetrating through the shell, and a second lens for shooting a wood board is arranged on the second camera;
The third photographing assembly comprises a first mounting frame, a first fixing frame, a third camera, a fourth camera, a sixth adjusting screw, a third visual light source, a fourth visual light source and a third screw rod adjusting mechanism; the third visual light source is movably connected with the first mounting frame through a sixth adjusting screw; the third camera is fixed on the first mounting frame, the fourth camera is fixed on the first mounting frame, and the fourth visual light source is fixed on the first mounting frame; the first mounting frame is also provided with a fourth linear guide rail and a fourth guide rail sliding block, the fourth linear guide rail is movably connected with the fourth guide rail sliding block, the third screw rod adjusting mechanism is movably connected with the first mounting frame and the first fixing frame respectively, the third camera is provided with a third lens, and the fourth camera is provided with a fourth lens;
the fourth light source assembly comprises a first mounting seat, a second mounting seat, a seventh adjusting screw, an eighth adjusting screw, a fourth mounting plate, a fifth mounting plate and a fifth visual light source; the two ends of the fifth visual light source are fixedly connected with a fourth mounting plate and a fifth mounting plate respectively, a fifth linear guide rail and a fifth guide rail slide block are further arranged on the fourth mounting plate, the fifth linear guide rail and the fifth guide rail slide block are movably connected, a sixth linear guide rail and a sixth guide rail slide block are further arranged on the fifth mounting plate, the sixth linear guide rail and the sixth guide rail slide block are movably connected, the first mounting seat is fixedly connected with the fifth guide rail slide block, the seventh adjusting screw is further movably connected with the first mounting seat and the fourth mounting plate respectively and used for locking the relative positions of the first mounting seat and the fourth mounting plate, the second mounting seat is fixedly connected with the sixth guide rail slide block, and the eighth adjusting screw is movably connected with the second mounting seat and the fifth mounting plate respectively and used for locking the relative positions of the second mounting seat and the fifth mounting plate;
The fourth photographing assembly comprises a fifth camera, a second movable guide post, a ninth adjusting screw, a tenth adjusting screw and a sliding block, wherein a fifth lens is arranged on the fifth camera, and the ninth adjusting screw is movably connected with the sliding block in the horizontal direction and used for locking the horizontal moving direction of the sliding block; the tenth adjusting screw is movably connected with the sliding block in the vertical direction and used for locking the vertical moving direction of the sliding block, the second movable guide pillar is fixedly connected with the fifth camera and used for guiding the vertical moving direction of the fifth camera, the second movable guide pillar is also movably connected with the sliding block in the vertical direction, and the tenth adjusting screw is also fixedly connected with the fifth camera in the vertical direction.
The invention also provides a wood board defect detection system, which comprises the wood board shooting device; two first photographing assemblies which are vertically symmetrical and used for photographing the roughness of the wood board are arranged in the first frame, and two first light source assemblies which are fixed on the side wall of the first frame and are vertically symmetrical and used for irradiating the roughness of the wood board are arranged in the first frame; two second photographing assemblies which are bilaterally symmetrical and used for photographing defects of the front side and the rear side of the wood board and two second light source assemblies which are used for irradiating the front side and the rear side of the wood board are arranged in the second rack, and a second camera in the second photographing assemblies forms an acute angle with the horizontal direction; the third photographing assembly is horizontally arranged in the third rack and used for photographing defects of the left side edge and the right side edge of the wood board; and two fourth photographing assemblies which are vertically symmetrical and used for photographing the defects on the surface of the wood board and two fourth light source assemblies which are used for irradiating the surface of the wood board are arranged in the fourth frame.
The invention has the advantages that:
The wood board shooting device and the defect detection system provided by the invention can shoot the defects on the upper surface and the lower surface of the wood board, can shoot and detect the defects of 4 peripheral trimming edges, and can shoot and detect the defects by setting up four shooting parts: the wood board has the defects of rough wood board, jumping angles and axe marks on the front side and the rear side of the wood board, jumping angles and axe marks on the left side and the right side of the wood board, greasy dirt spots, foreign matters, indentations, cracks and the like on the surface of the wood board.
Drawings
Fig. 1 is a schematic structural diagram of a board shooting device according to the present invention;
fig. 2 is a schematic structural view of a first photographing part according to the present invention;
FIG. 3 is a schematic view of a first light source assembly according to the present invention;
FIG. 4 is a schematic structural diagram of a first photographing assembly according to the present invention;
fig. 5 is a schematic structural view of a second photographing part according to the present invention;
FIG. 6 is a schematic view of a second light source assembly according to the present invention;
FIG. 7 is a schematic structural diagram of a second photographing assembly according to the present invention;
fig. 8 is a schematic structural view of a third photographing part according to the present invention;
FIG. 9 is a schematic structural diagram of a third photographing assembly according to the present invention;
fig. 10 is a schematic structural view of a fourth photographing part according to the present invention;
FIG. 11 is a schematic view of a fourth light source assembly according to the present invention;
fig. 12 is a schematic structural diagram of a fourth photographing assembly according to the present invention.
In the figure, 100 is a first photographing part, 110 is a first rack, 120 is a first photographing component, 121 is a first camera, 122 is a second adjusting screw, 123 is a first movable guide post, 124 is a first fixing piece, 125 is a second adjusting bracket, 126 is a second screw adjusting mechanism, 127 is a second guide rail slide block, 128 is a first lens, 129 is a second linear guide rail, 130 is a first light source component, 131 is a first adjusting bracket, 132 is a first visual light source, 133 is a first adjusting screw, 134 is a first movable hinge, 135 is a first mounting plate, 136 is a first linear guide rail, 137 is a first screw adjusting mechanism, 138 is a first guide rail slide block, 200 is a second photographing part, 210 is a second rack, 220 is a second photographing component, 221 is a third mounting plate, 222 is a fourth adjusting screw, 223 is a fifth adjusting screw, 224 is a third fixing piece, 225 is a second camera, 226 is a third guide rail slide block, 227 is a housing, 228 is a rotating member, 229 is a fixed pin, 230 is a rotating pin, 231 is a rotating track, 232 is a second lens, 233 is a third linear guide, 240 is a second light source component, 241 is a second visual light source, 242 is a third adjusting screw, 243 is a second movable hinge, 244 is a second mounting plate, 300 is a third photographing section, 310 is a third frame, 320 is a third photographing component, 321 is a first mounting frame, 322 is a first mounting frame, 323 is a third camera, 324 is a fourth camera, 325 is a sixth adjusting screw, 326 is a third visual light source, 327 is a fourth visual light source, 328 is a third lead screw adjusting mechanism 329 is a fourth guide slider, 330 is a third lens, 331 is a fourth lens, 332 is a fourth linear guide, 400 is a fourth photographing section, 410 is a fourth frame, 420 is a fourth photographing component, 421 is a fifth camera, 422 is a second movable guide, 423 is a ninth adjusting screw, 424 is a tenth adjusting screw, 425 is a sliding block, 426 is a fifth lens, 430 is a fourth light source component, 431 is a first mounting seat, 432 is a second mounting seat, 433 is a seventh adjusting screw, 434 is an eighth adjusting screw, 435 is a fourth mounting plate, 436 is a fifth mounting plate, 437 is a fifth linear guide, 438 is a sixth linear guide, 439 is a fifth visual light source, 440 is a fifth guide slide, 441 is a sixth guide slide, and 500 is a wood plate.
Detailed Description
For the purpose of making the technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail by way of specific embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The invention provides a plank shooting device, as shown in figure 1, comprising: a first photographing part 100, a second photographing part 200, a third photographing part 300, and a fourth photographing part 400 arranged in parallel; as shown in fig. 2, the first photographing part 100 includes a first light source assembly 130 and a first photographing assembly 120 fixed in the first frame 110, the first light source assembly 130 is used for illuminating a portion of the wood board 500, and the first photographing assembly 120 is used for photographing the illuminated portion of the first light source assembly 130; as shown in fig. 5, the second photographing part 200 includes a second light source assembly 240 and a second photographing assembly 220 fixed in the second frame 210, the second light source assembly 240 is used for illuminating a portion of the wood board 500, and the second photographing assembly 220 is used for photographing the illuminated portion of the second light source assembly 240; as shown in fig. 8, the third photographing part 300 includes a third photographing assembly 320 fixed in the third housing 310, the third photographing assembly 320 for irradiating and photographing a portion of the wood board 500; as shown in fig. 10, the fourth photographing part 400 includes a fourth light source assembly 430 and a fourth photographing assembly 420 fixed in the fourth frame 410, the fourth light source assembly 430 being used for illuminating a portion of the wood board 500, the fourth photographing assembly 420 being used for photographing the portion illuminated by the fourth light source assembly 430;
as shown in fig. 3, the first light source assembly 130 includes a first adjustment bracket 131, a first vision light source 132, a first adjustment screw 133, a first living hinge 134, and a first mounting plate 135; the two ends of the first adjusting frame 131 are also provided with a first linear guide rail 136 and a first guide rail slide block 138, the first linear guide rail 136 is movably connected with the first guide rail slide block 138, the first guide rail slide block 138 is fixedly connected with the first mounting plate 135 and is used for providing a movable range of the first mounting plate 135 in the vertical direction, and the middle part of the first adjusting frame 131 is also provided with a first screw rod adjusting mechanism 137 used for locking the first mounting plate 135; the first screw rod adjusting mechanism 137 can be locked after the first mounting plate 135 is adjusted in place, and the first screw rod adjusting mechanism 137 can also be loosened when the first mounting plate 135 needs to be adjusted in position, so that the movable range of the first mounting plate 135 in the vertical direction is given; the two ends of the first mounting plate 135 are movably connected with the first visual light source 132 through a first movable hinge 134, and the first movable hinge 134 can allow the first visual light source 132 to rotate relative to the first mounting plate 135; the middle part of the first mounting plate 131 is also connected with the first visual light source 132 through a first adjusting screw rod 133, the first adjusting screw rod 133 is used for adjusting the irradiation angle of the first visual light source 132, and the first adjusting screw rod 133 can be locked when the irradiation angle of the first visual light source 132 is adjusted, and can be loosened when the irradiation angle of the first visual light source 132 is adjusted; through the above structure arrangement, the first vision light source 132 has a movable adjustment space in the vertical direction, and also has a movable adjustment space which rotates relatively around the first mounting plate 131, so as to provide light source support for special exposure requirements of the wood board 500 (especially meet the exposure requirements of roughness of the wood board 500);
As shown in fig. 4, the first photographing assembly 120 includes a first camera 121, a second adjusting screw 122, a first movable guide post 123, a first fixing member 124, a second adjusting frame 125 and a second screw rod adjusting mechanism 126, wherein a second linear guide rail 129 and a second guide rail slide block 127 are arranged on the second adjusting frame 125, the second linear guide rail 129 is movably connected with the second guide rail slide block 127, the second screw rod adjusting mechanism 126 is arranged on the second adjusting frame 125 and used for locking the second guide rail slide block 127, and a first lens 128 is arranged on the first camera 121; the first movable guide pillar 123 is movably connected with the first fixing piece 124, the first fixing piece 124 is also fixedly connected with the second guide rail slide block 127, the first movable guide pillar 123 is also fixedly connected with the first camera 121 for providing moving guiding in the vertical direction, the second guide rail slide block 127 can also provide a horizontal moving range for the first camera 121 through the first fixing piece 124 and the first movable guide pillar 123, and the second adjusting screw 122 is fixedly connected with the first camera 121 for locking the first camera 121; through the above structural arrangement, the first camera 121 can move in the vertical direction under the guide of the first movable guide post 123 and is locked by the second adjusting screw 122, and the first camera 121 can move in the horizontal direction by the second guide rail slide block 127 and is locked by the second screw adjusting mechanism 126, so that the first camera 121 can obtain a moving space in the horizontal and vertical directions to meet the special angle shooting requirement of the wood board 500 (particularly meet the shooting requirement of the roughness of the wood board 500);
As shown in fig. 6, the second light source assembly 240 includes a second visual light source 241, a third adjustment screw 242, a second living hinge 243, and a second mounting plate 244; the two ends of the second mounting plate 244 are movably connected with the second visual light source 241 through a second movable hinge 243, the second movable hinge 243 can allow the second visual light source 241 to rotate relative to the second mounting plate 244, the middle part of the second mounting plate 244 is movably connected with the second visual light source 241 through a third adjusting screw 242, the third adjusting screw 242 is used for adjusting the irradiation angle of the second visual light source 241, and the third adjusting screw 242 can be locked when the irradiation angle of the second visual light source 241 is adjusted, or can be unlocked when the irradiation angle of the second visual light source 241 is needed to be adjusted; through the above structure arrangement, the second visual light source 241 has a movable adjusting space which rotates relatively around the second mounting plate 244, and provides light source support for special exposure requirements of the wood board 500 (especially meets the exposure requirements of defects such as jumping angles, axe marks and the like on the front side and the rear side of the wood board 500);
As shown in fig. 7, the second photographing assembly 220 includes a third mounting plate 221, a fourth adjusting screw 222, a fifth adjusting screw 223, a third fixing member 224, and a second camera 225; the third mounting plate 221 is provided with a third linear guide rail 233 and a third guide rail sliding block 226, the third linear guide rail 233 is movably connected with the third guide rail sliding block 226, the third guide rail sliding block 226 is fixedly connected with a third fixing piece 224 for providing a movable space in the vertical direction, and the third fixing piece 224 is also movably connected with the third mounting plate 221 through a fourth adjusting screw 222; the fourth adjusting screw 222 is used for locking the third fixing piece 224, when the third fixing piece 224 has a movement requirement, the fourth adjusting screw 222 is loosened so that the third fixing piece 224 moves along with the third guide rail sliding block 226 on the third linear guide rail 233, and when the third fixing piece 224 reaches a target position, the fourth adjusting screw 222 locks and fixes the third fixing piece 224; the third fixing piece 224 is also internally provided with a shell 227, a rotating piece 228, a fixed pin 229, a rotating pin 230 and a rotating track 231, the rotating piece 228 is movably connected to the shell 227 through the fixed pin 229, the rotating pin 230 is arranged at two ends of the rotating piece 228 and is movably connected with the rotating track 231, the rotating piece 228 can rotate around the fixed pin 229 on the rotating track 231, a fifth adjusting screw 223 penetrates through the shell 227 of the third fixing piece 224 and is fixedly connected with the rotating piece 228 to limit the movement range of the rotating piece 228, a second camera 225 is fixedly connected with the rotating pin 230 penetrating through the shell 227, the second camera 225 can synchronously rotate with the rotating pin 230, and a second lens for shooting the wood board 500 is arranged on the second camera 225; due to the arrangement of the structure, the second camera 225 can move along with the third guide rail slide block 226 in the vertical direction through the third fixing piece 224 and can be locked through the fourth adjusting screw 222, and can also synchronously rotate with the rotary pin shaft 230 and can be locked through the fifth adjusting screw 223, so that the moving range of the second camera 225 can meet the shooting requirement of the wood board 500 at a special angle (particularly meet the shooting requirement of defects such as bouncing angles, axe marks and the like of the front side and the rear side of the wood board 500);
As shown in fig. 9, the third photographing assembly 320 includes a first mounting bracket 321, a first fixing bracket 322, a third camera 323, a fourth camera 324, a sixth adjusting screw 325, a third visual light source 326, a fourth visual light source 327, and a third screw adjusting mechanism 328; the third visual light source 326 is movably connected with the first mounting frame 321 through a sixth adjusting screw 325, and the sixth adjusting screw 325 can adjust the irradiation angle and position of the third visual light source 326; the third camera 323 is fixed on the first mounting frame 321, the fourth camera 324 is fixed on the first mounting frame 322, and the fourth visual light source 327 is fixed on the first mounting frame 322; the first mounting frame 321 is further provided with a fourth linear guide rail 332 and a fourth guide rail sliding block 329, the fourth linear guide rail 332 and the fourth guide rail sliding block 329 are movably connected, the first mounting frame 322 is movably connected with the first mounting frame 321 through the fourth guide rail sliding block 329 to obtain a movable space in the horizontal direction, the third lead screw adjusting mechanism 328 is movably connected with the first mounting frame 321 and the first mounting frame 322 respectively to lock the relative positions of the first mounting frame 321 and the first mounting frame 322, the fourth camera 324 and the fourth visual light source 327 can obtain the movable space in the horizontal direction on the fourth linear guide rail 332 through the first mounting frame 322 and the fourth guide rail sliding block 329, the third camera 323 is provided with a third lens 330, and the fourth camera 324 is provided with a fourth lens 331; through the above structural arrangement, the irradiation angle and position of the third visual light source 326 can be adjusted according to the requirement, and the fourth camera 324 and the fourth visual light source 327 can obtain a movable space in the horizontal direction to meet the special angle shooting requirement of the wood board 500 (especially meet the shooting of defects such as bouncing angles, axe marks and the like on the left side and the right side of the wood board 500);
As shown in fig. 11, the fourth light source assembly 430 includes a first mount 431, a second mount 432, a seventh adjusting screw 433, an eighth adjusting screw 434, a fourth mounting plate 435, a fifth mounting plate 436, and a fifth visual light source 439; the two ends of the fifth visual light source 439 are respectively and fixedly connected with the fourth mounting plate 435 and the fifth mounting plate 436, a fifth linear guide 437 and a fifth guide slide block 440 are further arranged on the fourth mounting plate 435, a fifth linear guide 437 and a fifth guide slide block 440 are movably connected, a sixth linear guide 438 and a sixth guide slide block 441 are further arranged on the fifth mounting plate 436, the sixth linear guide 438 and the sixth guide slide block 441 are movably connected, the first mounting seat 431 is fixedly connected with the fifth guide slide block 440, the seventh adjusting screw 433 is also movably connected with the first mounting seat 431 and the fourth mounting plate 435 for locking the relative positions of the first mounting seat 431 and the fourth mounting plate 435, the second mounting seat 432 is fixedly connected with the sixth guide slide block 441, and the eighth adjusting screw 434 is respectively and movably connected with the second mounting seat 432 and the fifth mounting plate 436 for locking the relative positions of the second mounting seat 432 and the fifth mounting plate 436; the fifth visual light source 439 can adjust the irradiation position in the vertical direction through the relative movement of the fourth mounting plate 435 and the fifth mounting plate 436 on the fifth guide rail slide block 440 and the sixth guide rail slide block 441 respectively so as to meet the special exposure requirement of the wood board 500 (particularly meet the exposure requirement of irradiating the defects of greasy dirt spots, foreign matters, indentations, sand marks, sand loss, cracks, white marks, fiber points and the like on the surface of the wood board 500);
As shown in fig. 12, the fourth photographing assembly 420 includes a fifth camera 421, a second movable guide post 422, a ninth adjusting screw 423, a tenth adjusting screw 424, and a sliding block 425, wherein a fifth lens 426 is disposed on the fifth camera 421, and the ninth adjusting screw 423 is movably connected with the sliding block 425 in a horizontal direction for locking the horizontal moving direction of the sliding block 425; the tenth adjusting screw 424 is movably connected with the sliding block 425 in the vertical direction and used for locking the vertical moving direction of the sliding block 425, the second movable guide pillar 422 is fixedly connected with the fifth camera 421 and used for guiding the vertical moving direction of the fifth camera 421, the second movable guide pillar 422 is also movably connected with the sliding block 425 in the vertical direction, and the tenth adjusting screw 424 is also fixedly connected with the fifth camera 421 in the vertical direction; through the above structural arrangement, the fifth camera 421 can move along the second movable guide post 422 in the vertical direction and be locked by the tenth adjusting screw 424, the fifth camera 421 can also relatively displace with the sliding block 425 in the horizontal direction and be locked by the ninth adjusting screw 423, and the fifth camera 421 can obtain the position and the angle adjusting range in the vertical direction and the horizontal direction (especially meet the angle requirement of shooting defects such as greasy dirt spots, foreign matters, indentations, sand marks, sand damage, cracks, white marks, fiber points and the like on the surface of the wood board 500).
The invention also provides a wood board defect detection system, which comprises the wood board shooting device; as shown in fig. 2, the first frame 110 is internally provided with two first photographing assemblies 120 which are vertically symmetrical and are used for photographing the roughness of the wood board 500, and two first light source assemblies 130 which are fixed on the side wall of the first frame 110 and are vertically symmetrical and are used for irradiating the roughness of the wood board 500; as shown in fig. 5, two second photographing assemblies 220 for photographing defects on the front and rear sides of the wood board 500 and two second light source assemblies 240 for illuminating the front and rear sides of the wood board 500 are symmetrically disposed in the second rack 210, and the second camera 225 in the second photographing assemblies 220 forms an acute angle with the horizontal direction; as shown in fig. 8, the third photographing assembly 320 is horizontally disposed in the third frame 310 for photographing defects of the left and right sides of the wooden board 500; as shown in fig. 10, two fourth photographing assemblies 420 for photographing defects on the surface of the wooden board 500 and two fourth light source assemblies 430 for illuminating the surface of the wooden board 500 are symmetrically arranged in the fourth frame 410; the other parts of the board defect detecting system are referred to in the prior art (e.g. ：CN108537153A、CN106018431A、CN108181324A、CN107561091A、CN109085179A、CN109540911A、CN201413296Y、CN205333536U), will not be described herein.
Reference in the specification to "some embodiments," "one embodiment," or "an embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases "in some embodiments," "in one embodiment," or "in an embodiment" in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Thus, a particular feature, structure, or characteristic described in connection with or illustrated in one embodiment may be combined, in whole or in part, with features, structures, or characteristics of one or more other embodiments without limitation, provided that the combination is not non-logical or inoperable. Additionally, the various elements of the drawings are for illustrative purposes only and are not drawn to scale.
Having thus described several aspects of at least one embodiment of this invention, it is to be appreciated various alterations, modifications, and improvements will readily occur to those skilled in the art. Such alterations, modifications, and improvements are intended to be within the spirit and scope of the invention.
Claims (2)
1. A plank photographing device, comprising: a first photographing part, a second photographing part, a third photographing part, and a fourth photographing part arranged in parallel; the first shooting part comprises a first light source assembly and a first shooting assembly which are fixed in the first rack; the second shooting part comprises a second light source assembly and a second shooting assembly which are fixed in the second rack; the third shooting part comprises a third shooting component fixed in a third rack; the fourth shooting part comprises a fourth light source assembly and a fourth shooting assembly which are fixed in the fourth rack;
The first light source assembly comprises a first adjusting frame, a first visual light source, a first adjusting screw rod, a first movable hinge and a first mounting plate; the two ends of the first adjusting frame are also provided with a first linear guide rail and a first guide rail sliding block, the first linear guide rail is movably connected with the first guide rail sliding block, the first guide rail sliding block is fixedly connected with the first mounting plate and used for providing a movable range of the first mounting plate in the vertical direction, the middle part of the first adjusting frame is also provided with a first screw rod adjusting mechanism used for locking the first mounting plate, and the two ends of the first mounting plate are movably connected with the first visual light source through a first movable hinge; the middle part of the first mounting plate is also connected with a first visual light source through a first adjusting screw rod, and the first adjusting screw rod is used for adjusting the irradiation angle of the first visual light source;
The first photographing assembly comprises a first camera, a second adjusting screw, a first movable guide post, a first fixing piece, a second adjusting frame and a second screw rod adjusting mechanism, wherein a second linear guide rail and a second guide rail sliding block are arranged on the second adjusting frame, the second linear guide rail is movably connected with the second guide rail sliding block, the second screw rod adjusting mechanism is arranged on the second adjusting frame and used for locking the second guide rail sliding block, and a first lens is arranged on the first camera; the first movable guide pillar is movably connected with the first fixing piece, the first fixing piece is fixedly connected with the second guide rail sliding block, the first movable guide pillar is fixedly connected with the first camera and used for providing moving guidance in the vertical direction, and the second adjusting screw is fixedly connected with the first camera and used for locking the first camera;
the second light source assembly comprises a second visual light source, a third adjusting screw, a second movable hinge and a second mounting plate; the two ends of the second mounting plate are movably connected with the second visual light source through a second movable hinge, the middle part of the second mounting plate is movably connected with the second visual light source through a third adjusting screw, and the third adjusting screw is used for adjusting the irradiation angle of the second visual light source;
The second photographing assembly comprises a third mounting plate, a fourth adjusting screw, a fifth adjusting screw, a third fixing piece and a second camera; the third mounting plate is provided with a third linear guide rail and a third guide rail sliding block, the third linear guide rail and the third guide rail sliding block are movably connected, the third guide rail sliding block is fixedly connected with a third fixing piece, the third fixing piece is also movably connected with the third mounting plate through a fourth adjusting screw, a shell, a rotating piece, a fixed pin shaft, a rotating pin shaft and a rotating track are further arranged in the third fixing piece, the rotating piece is movably connected on the shell through the fixed pin shaft, the rotating pin shaft is arranged at two ends of the rotating piece and is movably connected with the rotating track, the fifth adjusting screw penetrates through the shell of the third fixing piece and is fixedly connected with the rotating piece to limit the movement range of the rotating piece, the second camera is fixedly connected with the rotating pin shaft penetrating through the shell, and a second lens for shooting a wood board is arranged on the second camera;
The third photographing assembly comprises a first mounting frame, a first fixing frame, a third camera, a fourth camera, a sixth adjusting screw, a third visual light source, a fourth visual light source and a third screw rod adjusting mechanism; the third visual light source is movably connected with the first mounting frame through a sixth adjusting screw; the third camera is fixed on the first mounting frame, the fourth camera is fixed on the first mounting frame, and the fourth visual light source is fixed on the first mounting frame; the first mounting frame is also provided with a fourth linear guide rail and a fourth guide rail sliding block, the fourth linear guide rail is movably connected with the fourth guide rail sliding block, the third screw rod adjusting mechanism is movably connected with the first mounting frame and the first fixing frame respectively, the third camera is provided with a third lens, and the fourth camera is provided with a fourth lens;
the fourth light source assembly comprises a first mounting seat, a second mounting seat, a seventh adjusting screw, an eighth adjusting screw, a fourth mounting plate, a fifth mounting plate and a fifth visual light source; the two ends of the fifth visual light source are fixedly connected with a fourth mounting plate and a fifth mounting plate respectively, a fifth linear guide rail and a fifth guide rail slide block are further arranged on the fourth mounting plate, the fifth linear guide rail and the fifth guide rail slide block are movably connected, a sixth linear guide rail and a sixth guide rail slide block are further arranged on the fifth mounting plate, the sixth linear guide rail and the sixth guide rail slide block are movably connected, the first mounting seat is fixedly connected with the fifth guide rail slide block, the seventh adjusting screw is further movably connected with the first mounting seat and the fourth mounting plate respectively and used for locking the relative positions of the first mounting seat and the fourth mounting plate, the second mounting seat is fixedly connected with the sixth guide rail slide block, and the eighth adjusting screw is movably connected with the second mounting seat and the fifth mounting plate respectively and used for locking the relative positions of the second mounting seat and the fifth mounting plate;
The fourth photographing assembly comprises a fifth camera, a second movable guide post, a ninth adjusting screw, a tenth adjusting screw and a sliding block, wherein a fifth lens is arranged on the fifth camera, and the ninth adjusting screw is movably connected with the sliding block in the horizontal direction and used for locking the horizontal moving direction of the sliding block; the tenth adjusting screw is movably connected with the sliding block in the vertical direction and used for locking the vertical moving direction of the sliding block, the second movable guide pillar is fixedly connected with the fifth camera and used for guiding the vertical moving direction of the fifth camera, the second movable guide pillar is also movably connected with the sliding block in the vertical direction, and the tenth adjusting screw is also fixedly connected with the fifth camera in the vertical direction.
2. A wood board defect detection system comprising the wood board photographing device of claim 1; two first photographing assemblies which are vertically symmetrical and used for photographing the roughness of the wood board are arranged in the first frame, and two first light source assemblies which are fixed on the side wall of the first frame and are vertically symmetrical and used for irradiating the roughness of the wood board are arranged in the first frame; two second photographing assemblies which are bilaterally symmetrical and used for photographing defects of the front side and the rear side of the wood board and two second light source assemblies which are used for irradiating the front side and the rear side of the wood board are arranged in the second rack, and a second camera in the second photographing assemblies forms an acute angle with the horizontal direction; the third photographing assembly is horizontally arranged in the third rack and used for photographing defects of the left side edge and the right side edge of the wood board; and two fourth photographing assemblies which are vertically symmetrical and used for photographing the defects on the surface of the wood board and two fourth light source assemblies which are used for irradiating the surface of the wood board are arranged in the fourth frame.
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| CN201911049475.9A CN110687126B (en) | 2019-10-31 | 2019-10-31 | Plank shooting device and defect detection system |
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| CN110687126B true CN110687126B (en) | 2024-05-24 |
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| CN111982909A (en) * | 2020-06-30 | 2020-11-24 | 广州超音速自动化科技股份有限公司 | Wood board visual detection device and detection method |
| CN112630159A (en) * | 2021-01-05 | 2021-04-09 | 蜂巢能源科技有限公司 | CCD detection device for lithium battery preparation |
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