Small batten appearance defect detection device
By combining multiple inspection agencies and visual inspection devices, small wooden blocks are inspected from multiple angles and at multiple levels. This solves the problem of the stability of existing devices in identifying minor defects and complex backgrounds, and achieves efficient defect identification and screening.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-04-07
AI Technical Summary
Existing small timber appearance defect detection devices have poor stability in identifying minor defects and complex backgrounds, and are prone to misjudgment, resulting in low detection efficiency.
The system combines components such as a base frame, inspection box, visual monitor, operation control panel, mouse and keyboard, feeding conveyor belt mechanism, distributing conveyor belt mechanism, inspection conveyor belt, bottom visual inspection, top visual inspection, front and rear visual inspection, appearance defective pusher mechanism, color difference defective pusher mechanism, timber pusher mechanism, left and right visual inspection, appearance defective product slot, color difference defective product slot, and good product slot to achieve multi-angle, multi-level inspection and rapid screening of small timber pieces.
It improves the accuracy and stability of appearance defect detection for small timber squares, enabling quick and convenient identification of minor defects and effective separation of qualified and unqualified timber squares, thus improving detection efficiency.
Smart Images

Figure CN224087378U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wood processing technology, specifically to a device for detecting appearance defects in small timber squares. Background Technology
[0002] In the modern timber processing industry, small timber squares are widely used as a basic material in furniture manufacturing, building decoration, handicrafts processing, and many other fields. As market demands for the quality of wood products increase, the control over the appearance quality of small timber squares is becoming increasingly stringent. Appearance defects not only affect the aesthetics of small timber squares but may also reduce their physical properties and service life, thus necessitating the use of appearance defect detection devices to inspect the appearance of small timber squares.
[0003] Existing inspection devices typically use machine vision technology to acquire and analyze images of the wood surface, which can quickly obtain feature information of the wood surface. However, in actual use, the accuracy of identifying minor defects is insufficient, and the detection stability in complex backgrounds (such as complex wood texture and uneven color) is poor, which can easily lead to misjudgment and reduce the working efficiency of the inspection device.
[0004] Therefore, we urgently need to provide a device for detecting appearance defects in small wooden blocks. Utility Model Content
[0005] The purpose of this invention is to provide a device for detecting defects in the appearance of small wooden blocks, so as to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a device for detecting appearance defects in small wooden blocks, comprising a base frame and a detection box. A feeding conveyor belt mechanism is arranged above the base frame, and the bottom of the feeding conveyor belt mechanism is connected to the top of the base frame. A distributing conveyor belt mechanism is arranged at one end of the feeding conveyor belt mechanism, and one end of the distributing conveyor belt mechanism is connected to one end of the feeding conveyor belt mechanism. A detection conveyor belt is arranged at the bottom of the distributing conveyor belt mechanism. A bottom surface visual inspection device is arranged at the top of the base frame, and the bottom of the bottom surface visual inspection device is connected to the top of the base frame.
[0007] A further improvement is that a top surface visual inspection device is provided on the top of the base frame, and the bottom of the top surface visual inspection device is connected to the top of the base frame. A front and rear visual inspection device is provided on the top of the base frame, and the bottom of the front and rear visual inspection device is connected to the top of the base frame, so that the small wooden blocks can be inspected better and thus be used better.
[0008] A further improvement is that the top of the base frame is provided with a material pushing mechanism for poor appearance, the bottom of which is connected to the top of the base frame; the top of the base frame is provided with a material pushing mechanism for poor color difference, the bottom of which is connected to the top of the base frame; and the top of the base frame is provided with a material pushing mechanism for timber, the bottom of which is connected to the top of the base frame.
[0009] A further improvement is that the top of the base frame is equipped with left and right visual inspection devices, the bottom of which are connected to the top of the base frame; the inner side of the base frame is equipped with a defective product slot, the outer wall of which is connected to the inner wall of the base frame; the inner side of the base frame is equipped with a color difference defective product slot, the outer wall of which is connected to the inner wall of the base frame; and one end of the base frame is equipped with a good product slot, which is connected to one end of the base frame.
[0010] A further improvement is that the number of the defective appearance pusher mechanism and the defective color difference pusher mechanism is four. Two defective appearance pusher mechanisms and two defective color difference pusher mechanisms form a group. The two groups of defective appearance pusher mechanisms and defective color difference pusher mechanisms are symmetrically distributed on the top of the base frame, so as to better discharge unqualified small wooden blocks and thus better use them.
[0011] A further improvement is that the number of appearance defective product slots and color difference defective product slots is four, with two appearance defective product slots and color difference defective product slots forming a group. The two groups of appearance defective product slots and color difference defective product slots are symmetrically distributed on the inner wall of the base frame, which can better guide and discharge unqualified small wooden blocks, thereby enabling better inspection work.
[0012] A further improvement is that the top of the base frame is connected to the bottom of the testing box, a visual display is provided on the front of the testing box, an operation control panel is provided on the front of the testing box, and a mouse and keyboard are provided on the front of the testing box.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] This small timber appearance defect detection device, through the setup of a base frame, detection box, visual display, operation control panel, mouse and keyboard, feeding conveyor belt mechanism, distributing conveyor belt mechanism, detection conveyor belt, bottom surface visual inspection, top surface visual inspection, front and back visual inspection, appearance defect pushing mechanism, color difference defect pushing mechanism, timber pushing mechanism, left and right surface visual inspection, appearance defect trough, color difference defect trough, and good product trough, enables rapid and convenient appearance defect detection of small timbers, and can quickly and conveniently screen and push unqualified small timbers, thereby improving the detection work. It solves the problems of insufficient accuracy in identifying minor defects and poor detection stability under complex backgrounds (such as complex wood grain and uneven color), which are prone to misjudgment, thus improving the working efficiency of the detection device. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0016] Figure 2 This is a partial structural schematic diagram of the present invention;
[0017] Figure 3 This is a schematic diagram of the conveyor belt structure of this utility model;
[0018] Figure 4 This is a schematic diagram of the top-surface visual inspection structure of this utility model;
[0019] Figure 5 This is a schematic diagram of the feeding conveyor belt mechanism of this utility model.
[0020] In the diagram: 1. Base frame; 2. Inspection box; 3. Vision display; 4. Operation control panel; 5. Mouse and keyboard; 6. Feeding conveyor belt mechanism; 7. Distributing conveyor belt mechanism; 8. Inspection conveyor belt; 9. Bottom surface visual inspection; 10. Top surface visual inspection; 11. Front and rear visual inspection; 12. Appearance defective pushing mechanism; 13. Color difference defective pushing mechanism; 14. Timber pushing mechanism; 15. Left and right side visual inspection; 16. Appearance defective product trough; 17. Color difference defective product trough; 18. Good product trough. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figures 1-5 This utility model provides a technical solution:
[0023] A device for detecting defects in the appearance of small timber includes a base frame 1 and a detection box 2. A feeding conveyor belt mechanism 6 is arranged above the base frame 1, and the bottom of the feeding conveyor belt mechanism 6 is connected to the top of the base frame 1. A material distribution conveyor belt mechanism 7 is arranged at one end of the feeding conveyor belt mechanism 6, and one end of the material distribution conveyor belt mechanism 7 is connected to one end of the feeding conveyor belt mechanism 6. A detection conveyor belt 8 is arranged at the bottom of the material distribution conveyor belt mechanism 7. A bottom surface visual inspection device 9 is arranged at the top of the base frame 1, and the bottom of the bottom surface visual inspection device 9 is connected to the top of the base frame 1.
[0024] The top of the base frame 1 is equipped with a top surface visual inspection 10, the bottom of the top surface visual inspection 10 is connected to the top of the base frame 1, and the top of the base frame 1 is equipped with a front and rear visual inspection 11, the bottom of the front and rear visual inspection 11 is connected to the top of the base frame 1, so that the small wooden blocks can be inspected better and thus be used better.
[0025] The top of the base frame 1 is provided with a material pushing mechanism 12 for poor appearance, and the bottom of the material pushing mechanism 12 is connected to the top of the base frame 1. The top of the base frame 1 is provided with a material pushing mechanism 13 for poor color difference, and the bottom of the material pushing mechanism 13 is connected to the top of the base frame 1. The top of the base frame 1 is provided with a timber pushing mechanism 14, and the bottom of the timber pushing mechanism 14 is connected to the top of the base frame 1.
[0026] The top of the base frame 1 is equipped with left and right visual inspection 15, the bottom of the left and right visual inspection 15 is connected to the top of the base frame 1, the inner side of the base frame 1 is equipped with appearance defective product tank 16, the outer wall of appearance defective product tank 16 is connected to the inner wall of the base frame 1, the inner side of the base frame 1 is equipped with color difference defective product tank 17, the outer wall of color difference defective product tank 17 is connected to the inner wall of the base frame 1, and one end of the base frame 1 is equipped with good product tank 18, one end of good product tank 18 is connected to one end of the base frame 1.
[0027] There are four types of feeding mechanisms 12 and 13 for defective appearance and color difference. Two feeding mechanisms 12 and 13 for defective appearance and color difference are grouped together. The two groups of feeding mechanisms 12 and 13 for defective appearance and color difference are symmetrically distributed on the top of the base frame 1, so as to better discharge the unqualified small wooden blocks and thus make them more usable.
[0028] There are four defective product troughs 16 and 17 for color difference defects. Two defective product troughs 16 and 17 for color difference defects are grouped together. The two groups of defective product troughs 16 and 17 for color difference defects are symmetrically distributed on the inner wall of the base frame 1, so as to better guide and discharge unqualified small wooden blocks, and thus better carry out the inspection work.
[0029] The top of the base frame 1 is connected to the bottom of the inspection box 2. A visual display 3 is installed on the front of the inspection box 2, an operation control panel 4 is installed on the front of the inspection box 2, and a mouse and keyboard 5 are installed on the front of the inspection box 2.
[0030] When processing is required, the operator uses the control panel 4 and mouse / keyboard 5 installed on the front of the inspection box 2 for settings and operation. After the small timber is processed by the cutting machine, it is conveyed to the feeding conveyor belt mechanism 6. Activating the feeding conveyor belt mechanism 6 conveys the small timber to the sorting conveyor belt mechanism 7, which then sorts the timber and discharges it through the material head discharge chute. The timber is then conveyed to the inspection conveyor belt 8, which also conveys the timber. At this point, activating the bottom visual inspection 9 inspects the bottom of the timber, while activating the top visual inspection 10 and front / back visual inspection 11 inspects the top and front / back of the timber. When a defective small timber is detected... By utilizing the appearance defect pushing mechanism 12 and color difference defect pushing mechanism 13 in the top visual inspection 10 and front and rear visual inspection 11, unqualified small wooden blocks can be pushed into the appearance defect trough 16 and color difference defect trough 17 of the top visual inspection 10 and front and rear visual inspection 11 for discharge. Qualified small wooden blocks are pushed onto the longitudinal inspection conveyor belt by activating the wooden block pushing mechanism 14. At this time, the left and right visual inspection 15 can inspect the left and right sides of the small wooden blocks. Unqualified small wooden blocks can be discharged through the appearance defect pushing mechanism 12 and color difference defect pushing mechanism 13 in the left and right visual inspection 15, while qualified small wooden blocks are discharged through the good product trough 18. This allows for better detection of appearance defects in the small wooden blocks, making it more convenient for operators to use.
[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
Claims
1. A device for detecting appearance defects in small timber squares, comprising a base frame (1) and a detection box (2), characterized in that: A feeding conveyor belt mechanism (6) is provided above the base frame (1). The bottom of the feeding conveyor belt mechanism (6) is connected to the top of the base frame (1). A material distribution conveyor belt mechanism (7) is provided at one end of the feeding conveyor belt mechanism (6). One end of the material distribution conveyor belt mechanism (7) is connected to one end of the feeding conveyor belt mechanism (6). A detection conveyor belt (8) is provided at the bottom of the material distribution conveyor belt mechanism (7). A bottom surface visual inspection (9) is provided at the top of the base frame (1). The bottom of the bottom surface visual inspection (9) is connected to the top of the base frame (1).
2. The device for detecting appearance defects in small timber according to claim 1, characterized in that: The top of the base frame (1) is provided with a top surface visual inspection (10), the bottom of the top surface visual inspection (10) is connected to the top of the base frame (1), and the top of the base frame (1) is provided with a front and rear visual inspection (11), the bottom of the front and rear visual inspection (11) is connected to the top of the base frame (1).
3. The device for detecting appearance defects in small timber according to claim 1, characterized in that: The base frame (1) is provided with a material pushing mechanism (12) for poor appearance at the top, and the bottom of the material pushing mechanism (12) is connected to the top of the base frame (1). The base frame (1) is provided with a material pushing mechanism (13) for poor color difference at the top, and the bottom of the material pushing mechanism (13) for poor color difference is connected to the top of the base frame (1). The base frame (1) is provided with a wood pushing mechanism (14) at the top, and the bottom of the wood pushing mechanism (14) is connected to the top of the base frame (1).
4. The device for detecting appearance defects in small timber according to claim 1, characterized in that: The base frame (1) is provided with left and right visual inspection (15) at the top, and the bottom of the left and right visual inspection (15) is connected to the top of the base frame (1). The base frame (1) is provided with a defective product groove (16) on the inner side, and the outer wall of the defective product groove (16) is connected to the inner wall of the base frame (1). The base frame (1) is provided with a color difference defective product groove (17) on the inner side, and the outer wall of the color difference defective product groove (17) is connected to the inner wall of the base frame (1). The base frame (1) is provided with a good product groove (18) at one end, and one end of the good product groove (18) is connected to one end of the base frame (1).
5. The device for detecting appearance defects in small timber according to claim 3, characterized in that: The number of the appearance defect pusher (12) and color difference defect pusher (13) is four. Two appearance defect pushers (12) and color difference defect pushers (13) form a group. The two groups of appearance defect pushers (12) and color difference defect pushers (13) are symmetrically distributed on the top of the base frame (1).
6. The device for detecting appearance defects in small timber according to claim 4, characterized in that: The number of appearance defective product slots (16) and color difference defective product slots (17) is four. Two appearance defective product slots (16) and color difference defective product slots (17) form a group. The two groups of appearance defective product slots (16) and color difference defective product slots (17) are symmetrically distributed on the inner wall of the base frame (1).
7. The device for detecting appearance defects in small timber according to claim 1, characterized in that: The top of the base frame (1) is connected to the bottom of the test box (2). A visual display (3) is provided on the front of the test box (2). An operation control panel (4) is provided on the front of the test box (2). A mouse and keyboard (5) are provided on the front of the test box (2).