CN216771548U

CN216771548U - Timber defect detecting and grading equipment

Info

Publication number: CN216771548U
Application number: CN202123456196.XU
Authority: CN
Inventors: 鲍伟; 甘中学; 冯浩然
Original assignee: Zhichang Technology Group Co ltd
Current assignee: Zhichang Technology Group Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-17
Anticipated expiration: 2031-12-31

Abstract

The utility model belongs to the technical field of timber detection, and particularly relates to timber defect detection grading equipment which comprises a rack and a first timber conveying belt arranged on the rack; the first timber conveying belt is provided with a first detection area, and the front part, the rear part, the left part, the right part and the upper part of the first detection area are provided with area-array cameras facing the first detection area; a second timber conveying belt is arranged behind the first timber conveying belt, and a second detection area is arranged above a gap between the first timber conveying belt and the second timber conveying belt; and a linear array camera is arranged below the second detection area. Five surfaces of the wood are photographed at one time by five area-array cameras arranged at the front, the back, the left, the right and the upper parts of the wood; the linear array camera is arranged on the lower portion of the gap between the two conveying belts to scan and shoot, shooting detection on six faces of wood is achieved, detection efficiency is high, labor cost is saved, reliability is high, and the probability of false detection and missed detection is reduced.

Description

Timber defect detecting and grading equipment

Technical Field

The utility model belongs to the technical field of timber detection, and particularly relates to timber defect detection and classification equipment.

Background

In the production process of rubber wood preparation, appearance defect detection needs to be carried out on materials with various dimensions after being cut and planed, the grade of the planed materials, such as AA type, AB type, BC type, crop type and the like, is judged according to the grade standard of the surface quality of corresponding wood, and generally, scars are classified according to whether the planed surfaces of the wood have scars or the positions of the scars. At present, the planing materials are classified in a manual inspection mode, the requirement on professional skills of a post is high, personnel recruitment is difficult, the training period of the personnel is long, personnel loss has a large influence on production, the manual operation efficiency is low, the manual operation easily generates visual fatigue, the probability of missing inspection and classification errors of the material defects is increased along with the operation time, and the reliability is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that in the prior art, manual timber inspection is easy to generate false detection and missing detection, the labor cost is high, and the reliability is low, and provides timber defect detecting and grading equipment capable of intelligently detecting defects on timber and grading the timber.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a timber defect detects classification equipment which characterized in that: the wood conveying device comprises a rack and a first wood conveying belt arranged on the rack; the first timber conveying belt is provided with a first detection area, and the front part, the rear part, the left part, the right part and the upper part of the first detection area are provided with area-array cameras facing the first detection area; a second timber conveying belt is arranged behind the first timber conveying belt, and a second detection area is arranged above a gap between the first timber conveying belt and the second timber conveying belt; and a linear array camera is arranged below the second detection area.

Furthermore, four first light sources are arranged above the first detection area, and the four first light sources are arranged around the first detection area in a quadrilateral shape.

Furthermore, the side faces of the area-array camera and the line-array camera are provided with air blowing nozzles for blowing air near the camera lens.

Furthermore, the first detection area is located in the camera bellows, and the area array camera and the first light source are both hung on an upper cover plate of the camera bellows through a hanging rod.

Furthermore, a second light source arranged opposite to the second detection area is installed on the rack, and the linear array camera and the air blowing nozzle blowing air opposite to the lens of the linear array camera are both installed on the rack.

Furthermore, two oppositely arranged guide plates are arranged on the first wood conveying belt before the wood enters the first detection area, the rear ends of the two oppositely arranged guide plates are opened outwards, and the front ends of the two oppositely arranged guide plates are parallel to each other.

Furthermore, mounting grooves are formed in the left side and the right side of the rack, the guide plate is mounted on the adjusting rod, a first support is mounted in each mounting groove through a first bolt, and a transverse adjusting hole and a vertical fixing hole are formed in the upper portion of each first support; the adjusting rod penetrates through the transverse adjusting hole and penetrates through the vertical fixing hole through the fixing bolt to compress the adjusting rod.

Furthermore, the side surface of the guide plate is provided with a sliding groove; and a second bolt is fixed at the end part of the adjusting rod and is connected in the sliding groove in a sliding manner.

The wood defect detecting and grading equipment has the beneficial effects that:

1. five area-array cameras on the front, the rear, the left, the right and the upper sides are used for photographing five surfaces of wood once; the linear array camera is arranged on the lower portion of the gap between the two conveying belts to scan and shoot, shooting detection on six faces of wood is achieved, detection efficiency is high, labor cost is saved, reliability is high, and the probability of false detection and missed detection is reduced.

2. As the wood is easy to carry scraps after being planed, the air blowing nozzle blows air to the periphery of the area-array camera and the linear-array camera, and the definition of the camera lens is kept.

3. The timber guide enters the midpoint of the first detection area through the guide plates, the distance between the two guide plates can be adjusted by adjusting the length of the adjusting rod so as to adapt to the detection of the timbers with different widths, and the timbers are guided to enter the midpoint of the first timber conveying line.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is an overall structural view of an embodiment of the present invention;

FIG. 2 is a diagram of the rear view of the dark box of the default part of the embodiment of the present invention;

FIG. 3 is a perspective view of another perspective of an embodiment of the present invention;

FIG. 4 is a partial view of a deflector plate according to an embodiment of the present invention;

fig. 5 is a first cradle structural view of the embodiment of the present invention.

In the figure, the device comprises a first timber conveying belt 1, a first timber conveying belt 2, a rack 21, a mounting groove 3, a first detection area 4, an area array camera 5, a linear array camera 6, a second timber conveying belt 7, a first support 71, a transverse adjusting hole 72, a vertical fixing hole 8, a first light source 9, a second light source 10, an air blowing nozzle 11, a camera bellows 12, a guide plate 121, a sliding groove 13, a second detection area 14, an adjusting rod 15, a fixing bolt 16, a second bolt 17, timber 18, a hanging rod 19 and a first bolt.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The specific embodiment of the timber defect detecting and grading equipment of the utility model shown in figures 1-5 comprises a frame 2 and a first timber conveying belt 1 arranged on the frame 2; the first timber conveyer belt 1 is provided with a first detection area 3, and the front part, the rear part, the left part, the right part and the upper part of the first detection area 3 are provided with area-array cameras 4 facing the first detection area 3; a second timber conveyer belt 6 is arranged behind the first timber conveyer belt 1, and a second detection area 13 is arranged above a gap between the first timber conveyer belt 1 and the second timber conveyer belt 6; below the second detection area 13 a line camera 5 is arranged.

With reference to fig. 1 to 3, the first detection area 3 is located in a dark box 11, four first light sources 8 are disposed above the first detection area 3, and the four first light sources 8 are disposed around the first detection area 3 in a quadrilateral shape. The area-array camera 4 and the first light source 8 are both hung on the upper cover plate of the camera bellows 11 through a hanger rod 18.

Since the wood 17 is easily carried with chips after being planed, in order to ensure the definition of the camera lens, the side faces of the area-array camera 4 and the line-array camera 5 are provided with air blowing nozzles 10 for blowing air to the vicinity of the camera lens.

A second light source 9 arranged opposite to the second detection area 13 is mounted on the frame 2, and the line camera 5 and an air blowing nozzle 10 blowing air towards the lens of the line camera 5 are both mounted on the frame 2.

Referring to fig. 4, the first timber conveyor belt 1 before the timber 17 enters the first detection area 3 is provided with two oppositely arranged guide plates 12, the rear ends of the two oppositely arranged guide plates 12 are opened outwards, and the front ends are parallel to each other. The timber 17 is guided by the guide plate 12 to the midpoint of the first timber conveyor belt 1 and into the midpoint of the first detection zone 3.

Referring to fig. 4 and 5, the left and right sides of the frame 2 are provided with mounting grooves 21, the guide plate 12 is mounted on the adjusting rod 14, the first support 7 is mounted in the mounting groove 21 through a first bolt 19, and the upper part of the first support 7 is provided with a transverse adjusting hole 71 and a vertical fixing hole 72; the adjusting rod 14 passes through the transverse adjusting hole 71 and is pressed tightly by the fixing bolt 15 passing through the vertical fixing hole 72. The first bracket 7 can be installed at any position within the long installation groove 21 as needed to adjust the position of the guide plate 12.

Referring to fig. 4, the guide plate 12 has a slide groove 121 on a side thereof; the end of the adjusting rod 14 is fixed with a second bolt 16, and the second bolt 16 is slidably connected in the sliding groove 121. The guide plate 12 can be pulled out of the chute 121 only by pulling the guide plate 12 backwards, which facilitates the disassembly.

The area camera 4 and the line camera 5 shoot pictures which are sent to the controller, and the controller obtains which surface of the timber 17 has defects through image comparison analysis, and then grades the quality of the timber 17.

The working process of the timber defect detecting and grading equipment provided by the utility model is as follows:

timber 17 passes through deflector 12 direction and gets into in camera bellows 11 behind the suitable position, five area array camera 4 in the camera bellows 11 are preceding to timber 17, back, a left side, right side, it sends for the controller after five faces are shot to last, when timber 17 moves to the gap department of first timber conveyer belt 1 and second timber conveyer belt 6, linear array camera 5 scans the downside of timber 17 and sends for the controller after shooing, the controller reachs which face is defective after the picture analysis contrast, and then grades timber 17 according to the number of defective face and the position of defect, send hierarchical data for the automatic material of kicking in grades of hierarchical kicking of back leg subassembly.

It should be understood that the above-described specific embodiments are merely illustrative of the present invention and are not intended to limit the present invention. Obvious variations or modifications which are within the spirit of the utility model are possible within the scope of the utility model.

Claims

1. The utility model provides a timber defect detects classification equipment which characterized in that: comprises a frame (2) and a first timber conveying belt (1) arranged on the frame (2); the first timber conveying belt (1) is provided with a first detection area (3), and area-array cameras (4) facing the first detection area (3) are arranged at the front, the back, the left, the right and the upper parts of the first detection area (3); a second timber conveying belt (6) is arranged behind the first timber conveying belt (1), and a second detection area (13) is arranged above a gap between the first timber conveying belt (1) and the second timber conveying belt (6); and a linear array camera (5) is arranged below the second detection area (13).

2. A timber defect detecting and grading apparatus according to claim 1, wherein: four first light sources (8) are arranged above the first detection area (3), and the four first light sources (8) are arranged around the first detection area (3) in a quadrilateral mode.

3. A timber defect detecting and grading apparatus according to claim 1, wherein: the side surfaces of the area-array camera (4) and the line-array camera (5) are provided with air blowing nozzles (10) which blow air near the camera lens.

4. A timber defect detecting and grading apparatus according to claim 3, wherein: the first detection area (3) is located in a camera bellows (11), and the area-array camera (4) and the first light source (8) are hung on an upper cover plate of the camera bellows (11) through a hanging rod (18).

5. A timber defect detecting and grading apparatus according to claim 1, wherein: and a second light source (9) arranged opposite to the second detection area (13) is arranged on the rack (2), and the linear array camera (5) and an air blowing nozzle (10) blowing air opposite to a lens of the linear array camera (5) are both arranged on the rack (2).

6. A timber defect detecting and grading apparatus according to claim 1, wherein: timber (17) have two deflector (12) that set up relatively on entering first timber conveyer belt (1) before first detection zone (3), two deflector (12) rear end that set up relatively outwards open-ended, the front end is parallel to each other.

7. A timber defect detecting and grading equipment according to claim 6, wherein: mounting grooves (21) are formed in the left side and the right side of the rack (2), the guide plate (12) is mounted on the adjusting rod (14), a first support (7) is mounted in the mounting grooves (21) through a first bolt (19), and a transverse adjusting hole (71) and a vertical fixing hole (72) are formed in the upper portion of the first support (7); the adjusting rod (14) penetrates through the transverse adjusting hole (71) and penetrates through the vertical fixing hole (72) through the fixing bolt (15) to tightly press the adjusting rod (14).

8. A timber defect detecting and grading equipment according to claim 7, wherein: the side surface of the guide plate (12) is provided with a sliding groove (121); and a second bolt (16) is fixed at the end part of the adjusting rod (14), and the second bolt (16) is connected in the sliding groove (121) in a sliding manner.