CN215574718U - Plank defect recognition machine - Google Patents
Plank defect recognition machine Download PDFInfo
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- CN215574718U CN215574718U CN202121058283.7U CN202121058283U CN215574718U CN 215574718 U CN215574718 U CN 215574718U CN 202121058283 U CN202121058283 U CN 202121058283U CN 215574718 U CN215574718 U CN 215574718U
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Abstract
The utility model discloses a board defect recognition machine which comprises a rack, a transportation assembly connected with the rack, a photographing chamber arranged above the transportation assembly, a clamping and stabilizing assembly and a visual assembly, wherein the clamping and stabilizing assembly and the visual assembly are arranged in the photographing chamber; the conveying assembly comprises a power element, a main power bearing connected with the power element, a plurality of conveying bearings connected with the rack and a plurality of conveying belts, wherein the plurality of conveying bearings are uniformly distributed on the inner side of each conveying belt; the clamping stabilizing assembly comprises a fixing plate, a connecting plate, a first rotating shaft, a second rotating shaft, a tensioning wheel assembly and a pressing belt, wherein the fixing plate and the connecting plate are arranged oppositely, the first rotating shaft and the second rotating shaft are arranged on the fixing plate, the tensioning wheel assembly is arranged on the connecting plate, and the pressing belt is wound on the first rotating shaft, the second rotating shaft and the tensioning wheel assembly. By implementing the method, the jumping of the wood board during transportation can be reduced, and the identification precision is improved.
Description
Technical Field
The utility model relates to the technical field of wood board production equipment, in particular to a wood board defect recognition machine.
Background
The method of the existing solid wood visual detection system comprises the following steps: the utility model provides a be present wood in industry the board process of choosing, still adopt the mode of artifical detection, the transport and the naked eye that need the manual work to carry out panel on the whole production line detect, workman working strength is generally higher, the board process of choosing need consume a large amount of manpower resources, and because the judgement of workman to quality standard is comparatively subjective, consequently can't guarantee the quality standard that the board was chosen to the wood, need set up multichannel process in whole wood production process and carry out artifical the detection, it is lower and the cost is higher to produce whole individual quality testing efficiency. And secondly, detecting the surface defects of the wood board by adopting a single detection method. When the method is put into actual production, only a certain kind of defects of the solid wood can be detected by a single detection method, and all the defects of the solid wood cannot be detected, so that the detected plate needs to be manually detected, the cost input is high, and the solid wood detection efficiency is low;
after investigation, it was found that the linear velocities of the visual inspection devices on the market were all very low, about 0.5 m/s. When the wood boards conveyed at high speed enter the shooting range of the camera during detection of the visual detection equipment, the wood boards can jump, so that the shot picture error is too large. The finally measured data has too large error; the production efficiency is greatly limited when the method is applied to wood board detection.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a board defect recognition machine which can reduce the jumping of boards during transportation and improve the recognition precision.
In order to solve the technical problem, the utility model provides a wood board defect recognition machine which comprises a rack, a transportation assembly connected with the rack, a photographing chamber arranged above the transportation assembly, a clamping and stabilizing assembly and a visual assembly, wherein the clamping and stabilizing assembly and the visual assembly are arranged in the photographing chamber;
the conveying assembly comprises a power element, a main power bearing connected with the power element, a plurality of conveying bearings connected with the rack and a plurality of conveying belts, wherein the plurality of conveying bearings are uniformly distributed on the inner side of each conveying belt, and each conveying belt is wound between two adjacent conveying bearings or between each conveying bearing and the main power bearing;
the clamping stabilizing assembly comprises a fixing plate, a connecting plate, a first rotating shaft, a second rotating shaft, a tensioning wheel assembly and a pressing belt, wherein the fixing plate and the connecting plate are arranged oppositely, the first rotating shaft and the second rotating shaft are arranged on the fixing plate, the tensioning wheel assembly is arranged on the connecting plate, and the pressing belt is wound on the first rotating shaft, the second rotating shaft and the tensioning wheel assembly.
As an improvement of the above technical solution, the visual component includes a 3D camera, a 2D camera and a light source.
As an improvement of the above technical solution, the first rotating shaft and the second rotating shaft are respectively disposed at two ends of the fixing plate;
the first rotating shaft and the second rotating shaft are both located below the tensioning wheel assembly.
As an improvement of the technical scheme, the tensioning wheel assemblies are distributed in a shape like a Chinese character 'pin', and each tensioning wheel assembly comprises a first rotating wheel, a second rotating wheel and a third rotating wheel, wherein the first rotating wheel, the second rotating wheel and the third rotating wheel are positioned on the same horizontal line.
As an improvement of the above technical solution, the pressing belt is respectively wound around the outer contour of the first rotating shaft and the outer contour of the second rotating shaft, the full contour of the first rotating wheel and the full contour of the second rotating wheel, and the upper contour of the third rotating wheel;
and the pressing belts are wound on the first rotating wheel and the second rotating wheel along the anticlockwise direction.
As an improvement of the technical scheme, the outer surface of the pressing belt is provided with a wear-resistant coating.
As an improvement of the technical scheme, at least two groups of clamping and stabilizing assemblies are arranged, and the distance between the two groups of clamping and stabilizing assemblies is smaller than the length of the wood board; the vision assembly is arranged between the two groups of clamping and stabilizing assemblies.
As an improvement of the technical scheme, the rack is provided with a height adjusting mechanism, and the height adjusting mechanism comprises a plurality of adjusting feet.
The implementation of the utility model has the following beneficial effects:
according to the utility model, the plurality of conveying bearings are arranged on the rack to support the belt and the wood board on the belt, so that the bounce of the wood board is reduced. Further set up centre gripping stabilizing means in conveyor belt's top, the plank transports between conveyor belt and the compression belt, and the range of beating of plank can be retrained to the compression belt, improves vision system's the precision of ingesting to improve wood defect's detection precision.
Through setting up 3D camera and 2D camera, detect out the three-dimensional defect and the plane defect of plank face simultaneously to further improve and detect precision and detection efficiency.
Drawings
FIG. 1 is a front view of a wood board defect recognition machine according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic structural view of a clamping and stabilizing assembly and a vision assembly according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the utility model is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the utility model.
Referring to fig. 1 to 3, the utility model provides a wood board defect recognition machine, which comprises a frame 1, a transportation assembly 2 connected with the frame 1, a photographing chamber 3 arranged above the transportation assembly 2, a clamping and stabilizing assembly 4 arranged in the photographing chamber 3 and a vision assembly 5;
the conveying assembly 2 comprises a power element 21, a main power bearing 22 connected with the power element 21, a plurality of conveying bearings 23 connected with the rack 1 and a plurality of conveying belts 24, wherein the plurality of conveying bearings 23 are uniformly distributed on the inner side of the conveying belt 24, and the conveying belts 24 are wound on two adjacent conveying bearings 23 or between the conveying bearings and the main power bearing;
the clamping stabilizing assembly 4 includes a fixing plate 41 and a connecting plate 42 which are oppositely arranged, a first rotating shaft 43 and a second rotating shaft 44 which are arranged on the fixing plate 41, a tension pulley assembly 45 which is arranged on the connecting plate 42, and a pressing belt 46 which is wound on the first rotating shaft 43 and the second rotating shaft and is arranged on the tension pulley assembly 45.
Specifically, the motive element 21 powers the main power bearing 22. The power element 21 includes a motor (not shown in the drawings) and an input belt connected to the motor, and the input belt is wound around the main power bearing 22. The main power bearing 22 is wound with a conveying belt 24, and the conveying belt 24 is also wound on a plurality of conveying bearings 23. The central lines of the conveying bearings 23 and the main power bearing 22 are located on the same horizontal plane, and the conveying bearings 23 play a supporting role, so that the phenomenon of wood board shaking during transportation due to belt deformation is avoided. In order to prevent the wood board from jumping, the clamping and stabilizing component 4 is arranged above the transportation component 2, and a preset gap is reserved between the clamping and stabilizing component 4 and the transportation component 2, so that the wood board can pass through. The clamping and stabilizing assembly 4 can restrict the jumping amplitude of the wood board in the up-down direction, wherein the first rotating shaft 43 and the second rotating shaft 44 are positioned on the same horizontal plane, and the pressing belt 46 is wound on the first rotating shaft 43 and the second rotating shaft 44; the wood board moves between the conveying belt 24 and the pressing belt 46, the pressing belt 46 is tensioned by the tensioning wheel assembly 45, deformation of the belt is reduced, reliable downward pressure is provided, the jumping tolerance of the wood board in the movement is kept between 0 and 0.15, the pickup precision of the vision assembly 5 is improved, and therefore the detection precision of the defects of the wood board is improved.
To further improve the detection accuracy of the vision component 5, the vision component 5 includes a 3D camera 51, a 2D camera 52 and a light source 53. The 3D camera 51 and the 2D camera 52 are combined and applied to the same equipment, so that the three-dimensional defects and the plane defects of the board surface of the wood board can be detected at one time, and the detection efficiency and the detection precision are improved.
In order to fix the first and second rotation shafts 43 and 44, the first and second rotation shafts 43 and 44 are respectively provided at both ends of the fixed plate 41. The fixing plate 41 is fixed to the photographing chamber 3. The first and second turning shafts 43 and 44 are both located below the tension pulley assembly 45. The first rotating shaft 43 and the second rotating shaft 44 can rotate passively along with the pressing belt 46, and can also rotate autonomously by setting a drive, so that the frictional resistance between the wood board and the pressing belt 46 is reduced, and the movement stability is improved.
Referring to fig. 3, the tensioning wheel assemblies 45 are distributed in a zigzag shape, and the tensioning wheel assemblies 45 include a first rotating wheel 451, a second rotating wheel 452, and a third rotating wheel 453 on the top, which are located on the same horizontal line. The first rotating wheel 451, the second rotating wheel 452, and the third rotating wheel 453 are disposed in a zigzag shape, so that the belt can be prevented from being released, and the positions of the first rotating wheel 451, the rotating wheels, and the third rotating wheel 453 can be adjusted according to the slack of the belt.
The pressing belt 46 is wound around the outer contours of the first rotating shaft 43 and the second rotating shaft 44 respectively to form a pressing section between the first rotating shaft 43 and the second rotating shaft 44, the pressing belt 46 is wound around the full contours of the first rotating wheel 451 and the second rotating wheel 452 and the upper contour of the third rotating wheel 453, the pressing belt 46 is wound around the first rotating wheel 44 and the second rotating wheel 45 in the counterclockwise direction to form a tensioning section, and the pressing belt 46 is not easily loosened.
To reduce the wear of the wood board on the compression belt 46, the outer surface of the compression belt 46 is provided with a wear resistant coating (not shown in the drawings). The wear-resistant coating is made of a polyurethane material.
Referring to fig. 1, in order to improve the intake effect of the visual components 5, at least two groups of clamping and stabilizing components 4 are provided, and the distance between the two groups of clamping and stabilizing components 4 is smaller than the length of a wood board; the vision component 5 is arranged between the two groups of clamping and stabilizing components 4. The wood board is compressed by the clamping stabilizing assemblies 4 positioned on two sides of the vision assembly 5, so that the bounce of the wood board can be reduced, and the detection is improved.
Further, a height adjusting mechanism 6 is arranged on the machine frame 1, and the height adjusting mechanism 6 comprises a plurality of adjusting feet 61. A plurality of adjusting feet 61 are used for adjusting the level of the rack 1, so that the wood board is transported along the horizontal direction, the vertical jumping during transportation is reduced, and the detection precision is improved.
In conclusion, the utility model discloses a board defect recognition machine, which is characterized in that a plurality of conveying bearings 23 are arranged on a rack 1 to support a belt and boards on the belt, so that the jumping of the boards is reduced. Further set up centre gripping stabilizing mean 4 above conveyor belt 24, the plank transports between conveyor belt 24 and hold down belt 46, and hold down belt 46 can retrain the range of beating of plank, improves the precision of taking of vision system to improve wood defect's detection precision.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.
Claims (8)
1. The wood board defect recognition machine is characterized by comprising a rack, a transportation assembly connected with the rack, a photographing chamber arranged above the transportation assembly, a clamping and stabilizing assembly and a visual assembly, wherein the clamping and stabilizing assembly and the visual assembly are arranged in the photographing chamber;
the conveying assembly comprises a power element, a main power bearing connected with the power element, a plurality of conveying bearings connected with the rack and a plurality of conveying belts, wherein the plurality of conveying bearings are uniformly distributed on the inner side of each conveying belt, and each conveying belt is wound between two adjacent conveying bearings or between each conveying bearing and the main power bearing;
the clamping stabilizing assembly comprises a fixing plate, a connecting plate, a first rotating shaft, a second rotating shaft, a tensioning wheel assembly and a pressing belt, wherein the fixing plate and the connecting plate are arranged oppositely, the first rotating shaft and the second rotating shaft are arranged on the fixing plate, the tensioning wheel assembly is arranged on the connecting plate, and the pressing belt is wound on the first rotating shaft, the second rotating shaft and the tensioning wheel assembly.
2. The wood board defect recognition machine of claim 1, wherein the vision assembly comprises a 3D camera, a 2D camera, and a light source.
3. The wood board defect recognition machine according to claim 1, wherein the first and second rotating shafts are respectively provided at both ends of the fixing plate;
the first rotating shaft and the second rotating shaft are both located below the tensioning wheel assembly.
4. The plank defect recognition machine of claim 3, wherein said tension wheel assemblies are distributed in a "pinking" shape, said tension wheel assemblies comprising a first rotating wheel, a second rotating wheel and a third rotating wheel on top of each other on a same horizontal line.
5. The wood board defect recognition machine according to claim 4, wherein the pressing belt is wound around the outer contour of the first and second rotating shafts, the full contour of the first and second rotating wheels, and the upper contour of the third rotating wheel, respectively;
and the pressing belts are wound on the first rotating wheel and the second rotating wheel along the anticlockwise direction.
6. The wood board defect recognition machine of claim 5, wherein the outer surface of the pressing belt is provided with a wear-resistant coating.
7. The wood board defect recognition machine of claim 5, wherein the clamping and stabilizing assemblies are provided in at least two groups, and the distance between the two groups of clamping and stabilizing assemblies is smaller than the length of the wood board;
the vision assembly is arranged between the two groups of clamping and stabilizing assemblies.
8. The wood board defect recognition machine of claim 1, wherein the frame is provided with a height adjustment mechanism, the height adjustment mechanism comprising a plurality of adjustment feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121058283.7U CN215574718U (en) | 2021-05-17 | 2021-05-17 | Plank defect recognition machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121058283.7U CN215574718U (en) | 2021-05-17 | 2021-05-17 | Plank defect recognition machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215574718U true CN215574718U (en) | 2022-01-18 |
Family
ID=79861696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121058283.7U Active CN215574718U (en) | 2021-05-17 | 2021-05-17 | Plank defect recognition machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215574718U (en) |
-
2021
- 2021-05-17 CN CN202121058283.7U patent/CN215574718U/en active Active
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