Plate top surface static detection assembly and equipment

Abstract

The utility model relates to the technical field of detection, in particular to a plate top surface static detection assembly and equipment. The plate top surface static detection assembly comprises a linear scanning module which is installed on the rack, forms a linear path on the rack and is driven in a sliding mode. And the linear scanning camera is mounted on the mounting frame, is connected with the linear scanning module, and slides on a linear path to form a movable linear scanning acquisition plane. The light supplementing assembly is installed on the installation frame and carries out light supplementing irradiation towards the shooting position of the line scanning camera, the light supplementing assembly irradiates to form a light supplementing plane, and the light supplementing plane and the line scanning obtaining plane intersect at the shooting position to form a linear light supplementing shooting zone. The plates are statically placed and are not detected during conveying, so that vibration of the plates in the conveying process is reduced, vibration interference of shot images can be avoided, and the detection accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection, in particular to a static detection component and equipment for the top surface of a plate. Background Art

[0002] In wood processing and furniture manufacturing, dimensional inspection of boards is a crucial step, as the board's dimensions impact product quality and performance. Generally, board dimensional inspection involves the following steps: 1. Measuring length and width: Use a caliper or ruler to measure the length and width of the board and record the results. It's important to select the appropriate measuring tool, depending on the size of the board, to determine the accuracy of the measurement. 2. Measuring thickness: Use a caliper or micrometer to measure the thickness of the board and record the results. Note that due to the inherent expansion and contraction of wood, thickness measurements should be performed in damp or hot environments. 3. Inspecting for surface defects: Use the naked eye or a flashlight to inspect the board's surface for defects such as cracks, wormholes, and decay. 4. Verifying joint integrity: After joining multiple boards together, check the joints for security and misalignment. These are the general steps for board dimensional inspection; specific procedures may vary depending on the production environment and equipment.

[0003] Existing equipment generally uses manual detection, which has poor detection efficiency and inaccurate data. Some factories use detection during transmission, which greatly improves detection efficiency. However, the plate jitters during transmission, resulting in poor image effects and data distortion. Summary of the Invention

[0004] In order to solve the above technical problems, the utility model provides a plate top surface static detection assembly, the plate top surface static detection assembly comprising: a frame;

[0005] The line scanning module is installed on the frame, forms a straight path on it and slides and drives;

[0006] A line scan camera, mounted on a mounting frame and connected to the line scan module, slides along a linear path to form a movable line scan acquisition plane; and

[0007] A fill light component is mounted on a mounting frame and is directed toward the line scan camera's shooting position to provide fill light. The fill light component forms a fill light plane, which intersects with the line scan acquisition plane at the shooting position to form a linear fill light shooting zone.

[0008] Preferably, the line scanning module is a synchronous belt linear drive structure.

[0009] Preferably, the fill light assembly includes a mounting frame and fill light units, a plurality of fill light units are provided and linearly fixedly mounted on the mounting frame, and the mounting frame limits light emitted by the fill light units through protruding edges to form a fill light plane.

[0010] Preferably, the line scan camera is connected to the mounting bracket via a vertical adjustment component for adjusting its position in the shooting direction.

[0011] Preferably, the line scan camera is connected to the mounting bracket or the vertical adjustment component via an angle adjustment component, and the line scan camera adjusts its shooting direction via the angle adjustment component.

[0012] Preferably, the angle adjustment assembly includes a mounting base, an X-direction adjustment mechanism, and a Y-direction adjustment mechanism; the X-direction adjustment mechanism is connected to the mounting base and rotates on the X-direction plane to adjust the angle of the plane; the Y-direction adjustment mechanism is connected to the X-direction adjustment mechanism and rotates on the Y-direction plane to adjust the angle of the plane; the X-direction plane is arranged perpendicular to the Y-direction plane.

[0013] Preferably, the X-direction adjustment mechanism and / or the Y-direction adjustment mechanism comprises an outer arc track member and an inner arc track member, wherein the outer arc track member and the inner arc track member form tracks with the same curvature and are slidably connected to each other.

[0014] Preferably, a handle for fine-tuning and fixing the rotation angle of the inner arc track member is installed on the outer arc track member of the X-direction adjustment mechanism and / or the Y-direction adjustment mechanism.

[0015] Preferably, the outer arc track member and the inner arc track member are respectively equipped with a main scale and a vernier scale for marking the rotation arc.

[0016] The present invention also proposes a static detection device for the top surface of a plate, including a base and the above-mentioned static detection component for the top surface of a plate. The line scanning module is located above the base and is arranged parallel to its upper surface. The line scanning camera slides in a straight path for linear shooting to form an image of the top of a static plate.

[0017] The technical effects and advantages of this utility model are as follows: By placing the plate statically and not testing it during transport, vibration during transport is reduced, preventing vibration interference in the captured image and improving detection accuracy. The line scan module has mature technology and stable sliding, allowing for rapid sliding while simultaneously capturing and testing, improving both detection stability and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The present invention is a schematic diagram of the three-dimensional structure of a static detection component for the top surface of a plate.

[0019] Figure 2This is a schematic diagram of the three-dimensional structure of the centerline scanning module of a plate top surface static detection assembly proposed by the present invention.

[0020] Figure 3 This is a schematic diagram of the three-dimensional assembly structure of a line scan camera, a mounting frame and a fill light component in a static detection component for the top surface of a plate proposed in the utility model.

[0021] Figure 4 This is a schematic diagram of the three-dimensional assembly structure of a fill light component in a static detection component for the top surface of a plate proposed by the present invention.

[0022] Figure 5 This is a schematic diagram of the three-dimensional structure of a vertical adjustment component in a static detection component for a plate top surface proposed by the present invention.

[0023] Figure 6 This is a schematic diagram of the three-dimensional structure of an angle adjustment component in a static detection component for the top surface of a plate proposed in the utility model.

[0024] Figure 7 This is a schematic diagram of the three-dimensional structure of a static detection device for the top surface of a plate proposed by the utility model.

[0025] Explanation of the accompanying drawings: lower frame 1, gantry 2, connecting longitudinal beam 3, linear track 4, servo motor 5, linear camera 6, mounting frame 7, fill light assembly 8, vertical adjustment assembly 99, angle adjustment assembly 10, drive motor 11, sliding frame 12, screw 13, track frame 14, placement frame 15, mounting plate 16, connecting plate 17, fill light unit 18, mounting base 19, X-axis adjustment mechanism 20, handle 21, Y-axis adjustment mechanism 22, main scale 23, vernier scale 24, conveyor belt 25. DETAILED DESCRIPTION

[0026] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications. Example

[0027] See also Figure 1 The present invention proposes a plate top surface static detection component for detecting a stationary plate and obtaining a static top surface detection image of the plate. The plate top surface static detection component includes:

[0028] The frame is used to form a base for supporting installation; the frame can be a support frame assembled by welding rectangular steel pipes, aluminum pipes and other materials. Of course, it can also be made of other materials. Specifically, it can include a lower frame 1 and a gantry 2. The lower frame 1 can form a flat structural foundation. The lower frames 1 can be arranged in two groups relative to each other, each group forming a linear support structure. The ends of the two groups of lower frames 1 are fixedly connected by cross bars to form a stable support structure. The gantry 2 can be set in multiples, and its specific number can be designed according to the actual length of the frame. The gantry 2 is linear and parallel to each other, and its two ends are fixedly connected to the top of the relatively set lower frame 1. This structure can not only increase the connection stability of the frame, but also enable multiple gantries 2 to form a linear support foundation. Of course, the frame can also be a directly welded frame structure, which will not be described in detail here.

[0029] See also Figure 2 , a line sweep module is installed on the frame, forming a straight path thereon and slidingly driving. The line sweep module can be a synchronous belt drive module, which can specifically include: a linear track 4, a drive component and a synchronous belt; the linear track 4 is fixedly installed on the frame and forms a straight path, and its two ends are provided with rotating rollers for steering the synchronous belt, and the drive component can be a servo motor 5 installed on the linear track 4 or the frame, and connected to a drive roller, and the synchronous belt is wound around the rotating roller and the drive roller. Under the action of the servo motor 5, the drive roller drives the synchronous belt to rotate, thereby completing the linear drive of the synchronous belt on the linear track 4. The synchronous belt drive module is specifically the existing technology, and the details are not described here. Of course, the line sweep module can also be other forms such as a motor and a screw rod combination structure, and the details are not described here. A connecting longitudinal beam 3 can also be provided between the linear track 4 and the frame, and the connecting longitudinal beam 3 has a certain rigidity and is not easy to deform. The connecting longitudinal beam 3 can be a long rod structure with a T-shaped cross-section, and its setting direction coincides with the linear track 4. The setting of the connecting longitudinal beam 3 can increase the stability of the connection between the frame and the linear track 4, avoid the linear track 4 from being bent due to stress due to long-term use, and ensure the strict straight path of the linear track 4.

[0030] See also Figure 3The line scan camera 6 is connected to the line scan module through the mounting bracket 7. The line scan camera 6 slides along a straight path to form a movable line scan acquisition plane. The structure of the line scan camera 6 is prior art and will not be described in detail here. The mounting bracket 7 can be slidably mounted on the linear track 4 and connected to the synchronous belt. When the synchronous belt is driven, the mounting bracket 7 slides on the linear track 4, thereby driving the linear camera 6 to slide along a straight path on the linear track 4. The mounting bracket 7 may include a sliding base, a longitudinal connecting plate, a mounting plate 16 and a transverse connecting plate. The sliding base can be fixedly connected to the sliding bracket. The specific connection method will not be described here. The longitudinal connecting plate and the transverse connecting plate are respectively provided in two groups. Each group of longitudinal connecting plates and transverse connecting plates is fixedly connected to form a connecting unit with a T-shaped cross section. One end of the two connecting units is relatively fixedly connected to the sliding base, and the other end is fixedly connected through the mounting plate 16, thereby forming a triangular support. The mounting bracket 7 constructed by this method increases the stability of the support in all directions through the T-shaped and triangular structures, and ensures that the support force is evenly set to avoid deformation and deflection due to uneven force. Of course, the mounting frame 7 can also be a flat triangular plate or other structures, which will not be described in detail here.

[0031] See also Figure 5The line scan camera 6 is connected to the mounting frame 7 through a vertical adjustment component 9 for adjusting its position in the shooting direction, and of course it can also be directly connected. Under the action of the vertical adjustment component 9, the position of the linear camera 6 in the vertical direction, that is, the shooting direction, can be adjusted, so that it can adapt to the detection needs of plates of various thicknesses. Generally, the linear camera 6 can automatically adjust the focal length, but this is only suitable for adjusting the focal length in micro amounts. When the adjustment distance is too large, it is difficult to meet the needs. By setting up the vertical adjustment component 9, it can be adapted to the detection needs of plates of various thicknesses, thereby improving the applicability. The vertical adjustment component 9 can be manually adjusted or automatically adjusted. We take automatic adjustment as an example here. The vertical adjustment component 9 may include: a drive motor 11, a sliding frame 12, a screw 13 and a track frame 14. The track frame 14 can be vertically and fixedly mounted on the mounting frame 7. A linear sliding track can be formed inside the track frame 14. The track frame 14 can form a sliding track and place a rotation limiting structure. The details will not be repeated here. A vertically sliding sliding frame 12 is placed inside the track frame 14. The sliding frame 12 can extend out of the track frame 14 to form an installation base. The screw rod 13 is rotatably set inside the track frame 14 and is axially consistent with the sliding direction of the sliding frame 12. The sliding frame 12 is nested on the screw rod 13. The drive motor 11 is installed at one end of the track frame 14 and is connected to the screw rod 13. In order to reduce the installation space, the drive motor 11 is generally installed at the bottom of the track frame 14. Under the action of the drive motor 11, the screw rod 13 is driven to rotate, thereby driving the sliding frame 12 to rise or fall. The drive motor 11 can be automatically controlled by a control system. When we obtain the thickness of the plate, the specific position of the sliding frame 12 is adjusted by controlling the output of the drive motor 11, thereby achieving detection compatibility of various plates. Since the control system is not the subject of protection of this application, it will not be described here.

[0032] See also Figure 6The line scan camera 6 adjusts its shooting direction via the angle adjustment assembly 10. The line scan camera 6 can be connected directly to the mounting bracket 7 or to the vertical adjustment assembly 9 via the angle adjustment assembly 10, depending on actual needs. The angle adjustment assembly 10 adjusts the shooting direction of the line camera 6. Generally, the shooting direction of the angle adjustment assembly 10 remains unchanged. However, adjustments are required when encountering special plate materials, such as those with thickness deviations, or when the shooting direction of the line camera 6 needs to be adjusted. The details are not detailed here. The angle adjustment assembly 10 adjusts the tilt direction of the line camera 6 to accommodate special plate materials or adjust the shooting requirements of the line camera 6, thereby improving its applicability. The angle adjustment assembly 10 can be adjusted in one direction or in multiple directions. In actual use, adjusting two directions is generally sufficient. We can divide the space into two directions: the plane perpendicular to the linear path of the line camera 6 is defined as the Y direction, and the plane parallel to the linear path is defined as the X direction. Of course, this is just a conceptual definition and does not limit its structure. Then the angle adjustment assembly 10 can include a mounting base 19, an X-axis adjustment mechanism 20 and a Y-axis adjustment mechanism 22. The mounting base 19 can be fixedly connected to the sliding frame 12, or directly connected to the mounting frame 7. The X-axis adjustment mechanism 20 is connected to the mounting base and can rotate on the X-axis plane. The Y-axis adjustment mechanism 22 is connected to the X-axis adjustment mechanism 20 and can rotate on the Y-axis plane. The linear camera 6 is fixedly mounted on the Y-axis adjustment mechanism 22. The X-axis adjustment mechanism 20 and the Y-axis adjustment mechanism 22 can both be disc structures, and then be rotatably connected. The details are not repeated here. Of course, the X-axis adjustment mechanism 20 and / or the Y-axis adjustment mechanism 22 can also be other structures. Taking the Y-axis adjustment mechanism 22 as an example here, it can include an outer arc track member and an inner arc track member. The outer arc track member and the inner arc track member form an arc track and can cooperate with each other to slide and connect. The outer arc track member can be a block structure with an inner concave arc track and fixedly connected to the X-axis adjustment mechanism 20, and the inner arc track member can be a fan-shaped structure with an outer convex arc track and fixedly connected to the linear camera 6. The inner concave arc track and the outer convex arc track can be mutually compatible convex-concave sliding connection structures, so that the connection is stable and the rotation fluctuation is small. Through this method, the wire diameter of its rotation adjustment can be increased, the accuracy of its adjustment can be amplified, and the adjustment range can be reduced, reducing the volume of the device. Of course, other connection methods are also possible, which will not be described here. The outer arc track member of the Y-axis adjustment mechanism 22 and / or the X-axis adjustment mechanism 20 is equipped with a handle 21 for fine-tuning and fixing the rotation angle of the inner arc track member. Taking the X-axis adjustment mechanism 20 as an example here, in order to facilitate the adjustment of the angle and facilitate fixation, we generally use the handle 21 for adjustment or locking.The handle 21 can be a threaded structure that cooperates with each other, similar to a worm gear and a worm. The handle 21 can be locked and fixed by a screw. The specific structure will not be described here. The outer arc track member and the inner arc track member are respectively equipped with a main scale and a vernier scale for marking the rotation arc. For example, we can set it on the side of the X-direction adjustment mechanism 20 and the Y-direction adjustment mechanism 22 perpendicular to the rotation plane. The main scale 23 and the vernier scale 24 have a sheet structure with an arc surface that matches each other. As shown in the figure, the main scale 23 is fan-shaped, and the vernier scale 24 has a matching concave arc surface. By setting the main scale 23 and the vernier scale 24, the accuracy of the adjustment can be improved, which is convenient for precision adjustment.

[0033] See also Figure 4 The fill light component 8 is mounted on the mounting frame 7 and is used to provide fill light to the line scan camera shooting position. The irradiation light emitted from the fill light component 8 will form a fill light plane. The fill light plane and the line scan acquisition plane intersect at the line scan camera shooting position to form a linear fill light shooting belt. Generally, the fill light plane and the line scan acquisition plane are planes perpendicular to the sliding path. When the plate needs to be inspected, the top surface of the plate is at the line scan camera shooting position. The fill light shooting belt formed by the intersection will be on the top surface of the plate that needs to be inspected. In this way, the image of the top surface of the plate can be captured. The fill light component 8 can be a horizontally arranged light strip, and of course it can also include: a mounting frame and a fill light unit 18. A plurality of fill light units 18 are provided and linearly fixedly mounted on the mounting frame. The mounting frame can be rotatably mounted and the light emitted by the fill light unit 18 is limited by the protruding edge to form a fill light plane. The mounting frame may include a placement frame 15 and a connecting plate 17. The placement frame 15 and the connecting plate 17 form a gantry structure. The connecting plate 17 is rotatably connected to the mounting plate 16. Specifically, the connecting plate 17 may be provided with an arc-shaped through-groove, and the mounting plate 16 may have screw holes at corresponding positions. Screws may pass through the arc-shaped through-groove and be fixed in the screw holes, thereby completing the angle fixation of the fill light plane of the fill light assembly 8. The placement frame 15 has a plurality of linear through-grooves. The fill light unit 18 may be placed in the mounting grooves and fixed. The light of the fill light unit 18 passes through the mounting grooves to achieve illumination. The edges of the mounting grooves limit the light of the fill light unit 18 to prevent excess light from leaking out. Example

[0034] See also Figure 7The present invention also proposes a static detection device for the top surface of a plate, including a base, and the static detection component for the top surface of the plate. The line scanning module is located above the base and is arranged parallel to its upper surface. The line scanning camera slides in a straight path above the base to shoot the plate thereon and obtain a static image of the top of the plate. The base can be a platform or a conveyor belt 25, among which the conveyor belt 25 is more common and can be automatically transported. The straight path can be consistent with the conveying direction of the conveyor belt 25, so that plates with a larger area can be detected. Image analysis is not the subject of protection of this application and will not be described in detail here.

[0035] Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without making any creative efforts should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in this utility model shall be implemented in accordance with conventional means in the field unless otherwise specified or limited.

Claims

1. A static detection component for the top surface of a plate, characterized in that: The plate top surface static detection assembly includes: a frame; The line scanning module is installed on the frame, forms a straight path on it and slides and drives; A line scan camera, mounted on a mounting frame and connected to the line scan module, slides along a linear path to form a movable line scan acquisition plane; and A fill light component is mounted on a mounting frame and is directed toward the line scan camera's shooting position to provide fill light. The fill light component forms a fill light plane, which intersects with the line scan acquisition plane at the shooting position to form a linear fill light shooting zone.

2. The plate top surface static detection assembly according to claim 1, characterized in that: The line scanning module adopts a synchronous belt linear drive structure.

3. The plate top surface static detection assembly according to claim 1, characterized in that: The fill light assembly includes a mounting frame and a fill light unit. A plurality of fill light units are provided and linearly fixedly mounted on the mounting frame. The mounting frame limits the light emitted by the fill light unit through a protruding edge to form a fill light plane.

4. The plate top surface static detection assembly according to claim 1, characterized in that: The line scan camera is connected to the mounting frame via a vertical adjustment component for adjusting its position in the shooting direction.

5. The plate top surface static detection assembly according to claim 4, characterized in that: The line scan camera is connected to the mounting bracket or the vertical adjustment component through the angle adjustment component, and the line scan camera adjusts its shooting direction through the angle adjustment component.

6. The plate top surface static detection assembly according to claim 5, characterized in that: The angle adjustment assembly includes a mounting base, an X-axis adjustment mechanism, and a Y-axis adjustment mechanism. The X-axis adjustment mechanism is connected to the mounting base and rotates on the X-axis plane to adjust the angle of the plane. The Y-axis adjustment mechanism is connected to the X-axis adjustment mechanism and rotates on the Y-axis plane to adjust the angle of the plane. The X-axis plane is arranged perpendicular to the Y-axis plane.

7. The plate top surface static detection assembly according to claim 6, characterized in that: The X-direction adjustment mechanism and / or the Y-direction adjustment mechanism comprises an outer arc track member and an inner arc track member, wherein the outer arc track member and the inner arc track member form tracks with the same curvature and are slidably connected with each other.

8. The plate top surface static detection assembly according to claim 7, characterized in that: The outer arc-shaped track member of the X-direction adjustment mechanism and / or the Y-direction adjustment mechanism is provided with a handle for fine-tuning and fixing the rotation angle of the inner arc-shaped track member.

9. The plate top surface static detection assembly according to claim 7, characterized in that: The outer arc track member and the inner arc track member are respectively equipped with a main scale and a vernier scale for marking the rotation arc.

10. A static detection device for the top surface of a plate, comprising a base and the static detection assembly for the top surface of a plate according to any one of claims 1 to 9, characterized in that: The line scanning module is located above the base and is arranged parallel to the upper surface of the base.

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