CN110694938A - Turntable type veneer grading device and grading method - Google Patents
Turntable type veneer grading device and grading method Download PDFInfo
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- CN110694938A CN110694938A CN201911011802.1A CN201911011802A CN110694938A CN 110694938 A CN110694938 A CN 110694938A CN 201911011802 A CN201911011802 A CN 201911011802A CN 110694938 A CN110694938 A CN 110694938A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 239000002023 wood Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims description 15
- 231100000241 scar Toxicity 0.000 claims description 8
- 208000032544 Cicatrix Diseases 0.000 claims description 7
- 230000037387 scars Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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- Veneer Processing And Manufacture Of Plywood (AREA)
- Sorting Of Articles (AREA)
Abstract
The utility model provides a carousel formula veneer grading plant and grading method, grading plant, including transmission device be provided with image recognition device in the direction of transmission device operation, transmission device's end is provided with carousel formula and divides the board device, image recognition device divides the board device with the carousel formula to be connected, carousel formula divides the board device to include by the rotatory carousel of I drive of motor, be provided with the material frame that is used for bearing the veneer of different quality grades on the carousel. The thin wood board on the transmission device is identified through the image identification device, the quality of the thin wood board is graded, and the image identification device conveys the quality grading information to the rotating disc type board distributing device, so that the thin wood board falls into a material frame matched with the quality grade of the thin wood board, and the phenomenon that the thin wood board is damaged when the quality is graded is effectively avoided.
Description
Technical Field
The invention relates to the technical field of thin wood board processing, in particular to a rotary disc type thin wood board grading device and a grading method.
Background
In recent years, the demand of thin wood boards is increasing continuously, but the production process still depends on manpower greatly, and the production efficiency is low, so that an intelligent auxiliary system is urgently needed to improve the efficiency. At present, the main detection methods for the surface defects of the joinery board at home and abroad comprise a manual detection method, a photoelectric detection method and the like. The manual detection excessively depends on manual experience, and the problems of inaccurate quality grading and low working efficiency are easily caused by personal experience; photoelectric detection can only detect whether the wood board has holes or not, scar lines cannot be identified, and the wood board cannot be accurately graded. Machine vision is an important branch of artificial intelligence which is developing rapidly, and the machine vision is used for replacing human eyes for measurement and judgment, and has the characteristics of high speed, high accuracy and labor saving. Although machine vision is applied to the field of veneers at present, the veneers are divided according to different qualities due to the lack of efficient mechanical automation equipment after quality classification, and the veneers are often processed in a manual picking mode, so that the labor intensity of workers is increased, and the working efficiency is low. In order to solve the defects of the manual picking mode, the following method is used: 1. mechanical arms are used for sorting, but the price is high; 2. the linear reciprocating driving mechanism is used for pushing, but the thin wood board is difficult to push down from the side edge of the running conveying belt due to the fact that the thin wood board is thin, and the thin wood board is easy to damage in the process, so that the grading quality of the thin wood board is affected. This is a difference of the prior art.
Disclosure of Invention
The invention aims to solve the technical problem that the prior art has defects, and provides a rotary disc type veneer grading device and a grading method, which can improve the efficiency of veneer quality grading and reduce the damage to veneers during quality grading.
The scheme is realized by the following technical measures: the utility model provides a carousel formula veneer grading plant, includes transmission device be provided with image recognition device in the direction of transmission device operation, transmission device's end is provided with carousel formula and divides the board device, image recognition device divides the board device with the carousel formula to be connected, the carousel formula divides the board device to include by the rotatory carousel of I drive of motor, be provided with the material frame that is used for bearing the veneer of different quality grades on the carousel. Adopt this technical scheme, through the veneer on the image recognition device discernment transmission device and carry out the quality classification with the veneer, the image recognition device carries the hierarchical information of quality to carousel formula board distributing device for the veneer falls into with its quality classification assorted material frame in, the effectual phenomenon of damage of taking place for the veneer when the quality is hierarchical of having avoided.
Preferably, the tail end of the transmission device is provided with a guide plate which is obliquely arranged, and the guide plate is arranged between the transmission device and the rotating disc type plate dividing device. By adopting the technical scheme, the thin wood board falls into the material frame along the guide plate under the action of gravity.
Preferably, the image recognition device comprises an industrial CCD camera and a controller connected with the industrial CCD camera, and the controller is connected with the motor I.
Preferably, the industrial CCD camera is fixedly arranged on the support, and the industrial CCD camera is arranged directly above the conveying plane of the conveying device.
Preferably, the transmission device comprises a conveyor belt driven by a motor II, and the motor II is connected with the controller.
Preferably, the transmission device is provided with a photoelectric detection switch for detecting whether the veneer runs to the position right below the industrial CDD camera, and the photoelectric detection switch is connected with the controller.
Preferably, the material frame is detachably fixed on the turntable.
A rotary disc type veneer grading method comprises the following steps:
the conveying device conveys the veneer to run, when the veneer runs to the position right below the industrial CCD camera, the controller controls the industrial CCD camera to take pictures to acquire the surface image of the veneer, the industrial CCD camera uploads the acquired surface image of the veneer to the controller,
the controller identifies and calculates the number, the area and the perimeter of holes and scars on the surface image of the veneer, compares the number threshold, the area threshold and the perimeter threshold of the holes and the scars which are preset in the controller to carry out quality grade division, and transmits grading information to the motor I, and the motor I drives the turntable to enable a material frame corresponding to the quality grade of the veneer to correspond to the position of the transmission device;
the conveying device continues to convey the thin wood boards until the thin wood boards fall into the material frames matched with the thin wood boards in quality grade.
Preferably, whether the veneer runs to the position right below the industrial CCD camera is judged through a photoelectric detection switch arranged on the conveying device.
Preferably, the conveying device and the rotating disc type plate separating device are provided with inclined guide plates, and the veneer falls into the material frame corresponding to the quality grade of the veneer through the guide plates.
Compared with the prior art, the invention has the following beneficial effects:
(1) compared with the common camera, the industrial CCD camera has high comparability in resolution, frame rate, requirements on light, exposure mode and the like; after the image is obtained, the image information is uploaded to a controller for processing, and the image processing comprises image extraction, binarization processing, filtering, edge detection, filling and corrosion.
(2) According to the invention, a rotating disc type board separating device is adopted to sort boards with graded quality, the thin boards continue to move on a conveyor belt after surface images are extracted, a controller transmits grading information to the rotating disc type board separating device before the thin boards are conveyed to the tail end of the conveyor belt, the rotating disc type board separating device aligns corresponding material baskets to a guide plate at the tail end of the conveyor belt through a rotating disc of a motor I according to the received grading information, the thin boards slide into the corresponding material baskets from the guide plate, the motor I rotates the rotating disc to recover the original position, and the operation is repeated in a circulating manner. Each level of thin wood board has a material basket corresponding to it, that is to say the controller control motor I rotates different angles to correspond to different levels of thin wood board. In addition, the stations of the material baskets can be increased or decreased correspondingly according to different divisions of the quality grades of the veneer boards, and the material baskets are arranged at equal angles.
The invention has the advantages that the quality grading of the thin wood boards with different standards can be realized by setting the quantity threshold, the area threshold and the perimeter threshold of the holes and scars of the thin wood boards in an image processing program in the controller, the image processing program is based on a Visual Studio platform and is compiled by using Opencv3.0 as an inserter without complex algorithm design, the program is greatly simplified, the requirement on a user is reduced, then the thin wood boards with the graded quality are distinguished and picked up by controlling the rotation of the turntable, and meanwhile, material baskets in the grading and board picking device can be freely increased and decreased according to the requirement of a user, so that the universality is improved. The invention has the advantages of reasonable and reliable principle, simple structure, convenient manufacture and installation, strong expandability, high universality and very wide market prospect and application prospect.
Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
FIG. 1 is a schematic plan view of a rotary-disk-type veneer grading device;
FIG. 2 is a schematic view of an installation of an industrial CCD camera;
FIG. 3 is a schematic structural view of the rotating disc type plate separating device;
fig. 4 is a flow chart of the work flow of the turntable veneer grading method.
In the figure: 1-support, 101-industrial CCD camera, 102-photoelectric detection switch, 201-motors II, 202-rotating shafts, 203-conveyor belt, 301-rotating disc, 302, 303, 304, 305-material frames with different quality grades, and 306-motor I, 4-guide plate.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the following explains the present solution by way of specific embodiments and with reference to the accompanying drawings.
The utility model provides a carousel formula veneer grading plant, includes transmission device be provided with image recognition device in the direction of transmission device operation, transmission device's end is provided with carousel formula and divides the board device, image recognition device divides the board device with the carousel formula to be connected, the carousel formula divides the board device to include by the rotatory carousel of I drive of motor, be provided with the material frame that is used for bearing the veneer of different quality grades on the carousel.
The tail end of the transmission device is provided with a guide plate which is obliquely arranged, and the guide plate is arranged between the transmission device and the rotating disc type plate dividing device.
The image recognition device comprises an industrial CCD camera and a controller connected with the industrial CCD camera, and the controller is connected with the motor I.
The industrial CCD camera is fixedly arranged on the bracket and is arranged right above the conveying plane of the conveying device.
The transmission device comprises a motor II with adjustable rotating speed, a rotating shaft and a conveying belt with black surface color, and the motor II is connected with the controller.
And the transmission device is provided with a photoelectric detection switch for detecting whether the veneer runs to the position right below the industrial CDD camera or not, and the photoelectric detection switch is connected with the controller. The controller can be an existing controller such as a microcomputer according to actual use needs.
Preferably, the material frame is detachably fixed on the turntable
A rotary disc type veneer grading method comprises the following steps:
the conveying device conveys the veneer to run, when the veneer runs to the position right below the industrial CCD camera, the controller controls the industrial CCD camera to shoot to obtain a surface image of the veneer, the industrial CCD camera uploads the obtained surface image of the veneer to the controller, the controller identifies and calculates the number, area and perimeter of holes and scars on the surface image of the veneer, compares the number threshold, area threshold and perimeter threshold of the holes and scars which are preset in the controller to divide quality grades, and transmits grading information to the motor I, and the motor I drives the turntable to enable a material frame corresponding to the quality grade of the veneer to correspond to the position of the conveying device; the conveying device continues to convey the thin wood boards until the thin wood boards fall into the material frames matched with the thin wood boards in quality grade. Whether the veneer runs to under the industry CCD camera is judged through the photoelectric detection switch that sets up on transmission device, transmission device and carousel formula divide the board device to be provided with the inclined and lead and send the board, the veneer fall into through leading the delivery board with the corresponding material frame of veneer quality grade.
Four-level grading is shown in fig. 1, but one embodiment is that the present invention can be expanded according to the specific use requirements of users, and has strong expandability and high versatility.
The technical features of the present invention that are not described in the present invention can be implemented by or using the prior art, and are not described herein again, of course, the above description is not limited to the present invention, and the present invention is not limited to the above embodiments, and variations, modifications, additions or substitutions that are made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a carousel formula veneer grading plant which characterized by: including transmission device be provided with image recognition device in the direction of transmission device operation, transmission device's end is provided with the carousel formula and divides the board device, image recognition device divides the board device with the carousel formula to be connected, the carousel formula divides the board device to include by the rotatory carousel of I drive of motor, be provided with the material frame that is used for bearing the thin plank of different quality grades on the carousel.
2. The rotary-disk-type veneer grading device according to claim 1, wherein: the tail end of the transmission device is provided with a guide plate which is obliquely arranged, and the guide plate is arranged between the transmission device and the rotating disc type plate dividing device.
3. The rotary-disk-type veneer grading device according to claim 1, wherein: the image recognition device comprises an industrial CCD camera and a controller connected with the industrial CCD camera, and the controller is connected with the motor I.
4. The rotary-disk-type veneer grading device according to claim 3, wherein: the industrial CCD camera is fixedly arranged on the bracket and is arranged right above the conveying plane of the conveying device.
5. The rotary-disk-type veneer grading device according to claim 1, wherein: the transmission device comprises a conveying belt driven by a motor II, and the motor II is connected with the controller.
6. The rotary-disk-type veneer grading device according to claim 5, wherein: and the transmission device is provided with a photoelectric detection switch for detecting whether the veneer runs to the position right below the industrial CDD camera or not, and the photoelectric detection switch is connected with the controller.
7. The rotary-disk-type veneer grading device according to claim 1, wherein: the material frame is detachably fixed on the turntable.
8. A rotary disc type veneer grading method is characterized in that: the method comprises the following steps:
the conveying device conveys the veneer to run, when the veneer runs to the position right below the industrial CCD camera, the controller controls the industrial CCD camera to take pictures to acquire the surface image of the veneer, the industrial CCD camera uploads the acquired surface image of the veneer to the controller,
the controller identifies and calculates the number, the area and the perimeter of holes and scars on the surface image of the veneer, compares the number threshold, the area threshold and the perimeter threshold of the holes and the scars which are preset in the controller to carry out quality grade division, and transmits grading information to the motor I, and the motor I drives the turntable to enable a material frame corresponding to the quality grade of the veneer to correspond to the position of the transmission device;
the conveying device continues to convey the thin wood boards until the thin wood boards fall into the material frames matched with the thin wood boards in quality grade.
9. The method for grading rotating disc type veneer according to claim 8, wherein: and judging whether the veneer runs to the position right below the industrial CCD camera or not through a photoelectric detection switch arranged on the transmission device.
10. The method for grading rotating disc type veneer according to claim 8, wherein: the conveying device and the rotating disc type plate separating device are provided with inclined guide plates, and the veneer falls into the material frames corresponding to the quality grades of the veneer through the guide plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911011802.1A CN110694938A (en) | 2019-10-23 | 2019-10-23 | Turntable type veneer grading device and grading method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911011802.1A CN110694938A (en) | 2019-10-23 | 2019-10-23 | Turntable type veneer grading device and grading method |
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| Publication Number | Publication Date |
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| CN110694938A true CN110694938A (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911011802.1A Pending CN110694938A (en) | 2019-10-23 | 2019-10-23 | Turntable type veneer grading device and grading method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209272A (en) * | 2014-08-28 | 2014-12-17 | 深圳市天麟精密模具有限公司 | Method and equipment for sorting products according to image information |
| CN206778952U (en) * | 2017-05-26 | 2017-12-22 | 中国石油大学(北京) | A kind of rotary type tower express delivery sorting equipment |
| CN108554844A (en) * | 2018-04-21 | 2018-09-21 | 齐鲁工业大学 | A kind of wooden thin plate sorting technique and device based on image recognition |
| CN109622388A (en) * | 2019-01-11 | 2019-04-16 | 合肥飞企互联科技有限公司 | A kind of intelligent sorting equipment |
| CN210936013U (en) * | 2019-10-23 | 2020-07-07 | 齐鲁工业大学 | Carousel formula veneer grading plant |
-
2019
- 2019-10-23 CN CN201911011802.1A patent/CN110694938A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209272A (en) * | 2014-08-28 | 2014-12-17 | 深圳市天麟精密模具有限公司 | Method and equipment for sorting products according to image information |
| CN206778952U (en) * | 2017-05-26 | 2017-12-22 | 中国石油大学(北京) | A kind of rotary type tower express delivery sorting equipment |
| CN108554844A (en) * | 2018-04-21 | 2018-09-21 | 齐鲁工业大学 | A kind of wooden thin plate sorting technique and device based on image recognition |
| CN109622388A (en) * | 2019-01-11 | 2019-04-16 | 合肥飞企互联科技有限公司 | A kind of intelligent sorting equipment |
| CN210936013U (en) * | 2019-10-23 | 2020-07-07 | 齐鲁工业大学 | Carousel formula veneer grading plant |
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Country or region after: China Address after: 250353 University Road, Changqing District, Ji'nan, Shandong Province, No. 3501 Applicant after: Qilu University of Technology (Shandong Academy of Sciences) Address before: 250353 University Road, Changqing District, Ji'nan, Shandong Province, No. 3501 Applicant before: Qilu University of Technology Country or region before: China |