Fine adjustment visual inspection mechanism

Abstract

A first adjusting mechanism is slidably arranged on a mounting seat, a camera is mounted on the first adjusting mechanism, the first adjusting mechanism comprises an x-axis adjusting mechanism and a z-axis adjusting mechanism, locking structures are arranged on the x-axis adjusting mechanism and the z-axis adjusting mechanism respectively, and the first adjusting mechanism drives the camera to move in the x-axis direction and the z-axis direction and then lock the camera; the second adjusting mechanism comprises an adjusting plate, a clamping hoop and an adjusting rod, the clamping hoop is arranged on the adjusting plate, one end of the adjusting rod penetrates through the clamping hoop, the adjusting plate is adjusted on the adjusting rod in a sliding mode through the clamping hoop and locked after rotating and adjusting with the adjusting rod as a rotating shaft, and the other end of the adjusting rod is connected with the mounting base; at least one sliding groove extending in the x-axis direction is formed in the adjusting plate, a light source device is arranged on one side of the adjusting plate, a rotating shaft of the light source device is arranged in the sliding groove in a penetrating mode, the rotating shaft rotates along the y-axis and moves in the x-axis direction, a locking piece is arranged on the other side, opposite to the light source device, of the adjusting plate, and the locking piece locks the rotating shaft so that the light source device can be fixed to the adjusting plate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of visual inspection mechanism, and in particular to a fine adjustment visual inspection mechanism. BACKGROUND

[0002] With the rapid development of modern technology, the detection of defects on the surface of workpieces is carried out by machines through visual inspection. The visual inspection mechanism uses advanced cameras to capture images of the surface of workpieces and converts them into digital signals, which are then processed by preset algorithms in a computer system to accurately detect various defects on the surface of workpieces, such as spots, pits, scratches, etc.

[0003] However, the light sources and cameras of many current visual inspection mechanisms are designed to be fixed, which limits their flexibility to some extent. In particular, when facing workpieces of different shapes, sizes and materials, it is difficult for fixed light sources and cameras to conveniently adjust the irradiation angle and height according to actual needs, thereby affecting the accuracy and efficiency of detection.

[0004] Therefore, the present application proposes a fine adjustment visual inspection mechanism to solve the above problems. CONTENT OF THE INVENTION

[0005] The purpose of the present application is to provide a fine adjustment visual inspection mechanism, in which the light source and the camera can be adjusted, and the user can conveniently adjust the relative position of the light source and the camera to take clear photos of the workpiece to be photographed.

[0006] To achieve the above purpose, the solution of the present application is as follows: a fine adjustment visual inspection mechanism, comprising a mounting seat, a first adjustment mechanism, a camera, a second adjustment mechanism and at least one light source device;

[0007] The first adjustment mechanism is slidably arranged on the mounting seat, and the camera is mounted on the first adjustment mechanism. The first adjustment mechanism comprises an x-axis adjustment mechanism and a z-axis adjustment mechanism, and the x-axis adjustment mechanism and the z-axis adjustment mechanism are respectively provided with locking structures. The camera moves along the x-axis direction under the action of the x-axis adjustment mechanism and is fixed on the mounting seat through the locking structure. The camera moves along the z-axis direction under the action of the z-axis adjustment mechanism and is fixed on the mounting seat through the locking structure.

[0008] The second adjusting mechanism comprises an adjusting plate, a clamp and an adjusting rod, the clamp is arranged on the adjusting plate, one end of the adjusting rod is arranged in the clamp, the adjusting plate is locked after sliding adjustment on the adjusting rod through the clamp, the adjusting plate is locked after rotating adjustment through the clamp with the adjusting rod as the rotating shaft, the other end of the adjusting rod is connected with the mounting base, and then the second adjusting mechanism slides and rotates relative to the first adjusting mechanism; the adjusting plate is provided with at least one sliding groove extending along the x-axis direction, one side of the adjusting plate is provided with a light source device, the light source device is provided with a rotating shaft, the rotating shaft is arranged in the sliding groove and rotates along the y-axis direction, the light source device rotates along the y-axis and moves along the x-axis through the rotating shaft, and the other side of the adjusting plate relative to the light source device is provided with a locking piece for fixing the light source device on the adjusting plate.

[0009] Further, the z-axis adjusting mechanism comprises a first fine adjustment micrometer and a first adjusting base, the frame of the first fine adjustment micrometer is fixedly connected with the mounting base, the frame of the first fine adjustment micrometer is arranged in the first adjusting base along the z-axis direction, one end of the frame is provided with a fine adjustment screw, the other end of the frame is provided with a locking screw, the first adjusting base is clamped between the fine adjustment screw and the locking screw, the fine adjustment screw is rotated to push the first adjusting base to move along the z-axis direction, and the locking screw is rotated to lock the first adjusting base; the x-axis adjusting mechanism comprises a second fine adjustment micrometer and a second adjusting base, the frame of the second fine adjustment micrometer is fixedly connected with the first adjusting base, the frame of the second fine adjustment micrometer is arranged in the second adjusting base along the x-axis direction, one end of the frame is provided with a fine adjustment screw, the other end of the frame is provided with a locking screw, the second adjusting base is clamped between the fine adjustment screw and the locking screw, the fine adjustment screw is rotated to push the second adjusting base to move along the x-axis direction, the locking screw is rotated to lock the second adjusting base, and the camera is fixedly connected with the second adjusting base, so that the camera moves along the x-axis and z-axis directions.

[0010] Further, when the fine adjustment screw of the first fine adjustment micrometer is rotated, the first adjusting base moves along the z-axis direction, and the moving precision is 0.001 mm; when the fine adjustment screw of the second fine adjustment micrometer is rotated, the second adjusting base moves along the x-axis direction, and the moving precision is 0.001 mm.

[0011] Further, two light source devices are arranged on the second adjusting mechanism, two sliding grooves are arranged on the adjusting plate of the second adjusting mechanism, and the two sliding grooves are uniformly distributed at two ends of the adjusting plate.

[0012] Further, the light source device adopts a strip-shaped light source.

[0013] Further, the sliding groove is a runway-shaped through hole.

[0014] The gain effect of the utility model lies in that the first adjusting mechanism flexibly adjusts the camera position in the x, z axis direction, the second adjusting mechanism flexibly adjusts the light source device position in the x, z axis direction, and the light source device angle is rotated and adjusted with the y, z axis as the rotating shaft. The mechanism has the ability of shooting workpieces with various shooting forms, different sizes and rich materials, and the adjustable light source and camera system can flexibly adjust the irradiation angle and height according to specific detection requirements. The adjustable characteristics not only significantly improve the accuracy of visual detection, but also greatly optimize the efficiency of the visual detection process. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of an embodiment of the utility model;

[0016] Figure 2 It is a partial enlarged view of Figure 1

[0017] Figure 3 It is a structural schematic view of another angle of an embodiment of the utility model;

[0018] Figure 4 It is a partial enlarged view of Figure 3

[0019] Figure 5 It is a partial structural schematic view of an embodiment of the utility model;

[0020] Figure 6 It is a partial structural schematic view of an embodiment of the utility model.

[0021] Label explanation:

[0022] 1, first adjusting mechanism; 11, first fine adjustment micrometer; 12, first adjusting seat; 13, second fine adjustment micrometer; 14, second adjusting seat; 15, mounting seat; 16, ruler frame; 17, fine adjustment screw rod; 18, locking screw rod;

[0023] 2, second adjusting mechanism; 21, adjusting rod; 22, adjusting plate; 23, sliding groove; 24, clamp;

[0024] 3, light source device; 31, rotating shaft;

[0025] 4, camera. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model.

[0027] ​​The claims, specification, and drawings of the present utility model, as using the terms "comprising", "having", and variations thereof, are intended to be open-ended. The terms "first", "second", "third", etc., are used only for descriptive purposes and do not connote or imply relative importance. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present.

[0028] Mainly refer to Figure 1 A fine-tuning visual detection mechanism includes a mounting seat 15, a first adjusting mechanism 1, a camera 4, a second adjusting mechanism 2 and at least one light source device 3.

[0029] The first adjusting mechanism 1 is slidably arranged on the mounting seat 15, and the camera 4 is mounted on the first adjusting mechanism 1. The first adjusting mechanism 1 includes an x-axis adjusting mechanism and a z-axis adjusting mechanism, and locking structures are respectively arranged on the x-axis adjusting mechanism and the z-axis adjusting mechanism. The camera 4 moves along the x-axis direction under the action of the x-axis adjusting mechanism and is fixed on the mounting seat 15 through the locking structure. The camera 4 moves along the z-axis direction under the action of the z-axis adjusting mechanism and is fixed on the mounting seat 15 through the locking structure.

[0030] The second adjusting mechanism 2 includes an adjusting plate 22, a clamp 24 and an adjusting rod 21. The clamp 24 is arranged on the adjusting plate 22, and one end of the adjusting rod 21 is arranged in the clamp 24. The adjusting plate 22 is locked after being adjusted on the adjusting rod 21 through the clamp 24. The adjusting plate 22 is locked after being adjusted by rotating around the adjusting rod 21 as the rotating shaft 31 through the clamp 24. The other end of the adjusting rod 21 is connected with the mounting seat 15, so that the second adjusting mechanism 2 slides up and down and rotates relative to the first adjusting mechanism 1. At least one sliding groove 23 is arranged on the adjusting plate 22, and the sliding groove 23 extends along the x-axis direction. The light source device 3 is arranged on one side of the adjusting plate 22, and the light source device 3 is provided with a rotating shaft 31. The rotating shaft 31 rotates along the y-axis direction and is arranged in the sliding groove 23. The light source device 3 moves along the y-axis direction and the x-axis direction through the rotating shaft 31. A locking member is arranged on the other side of the adjusting plate 22 relative to the light source device 3. The locking member fixes the light source device 3 on the adjusting plate 22 by locking the rotating shaft 31.

[0031] When the fine adjustment visual detection mechanism works, the workpiece to be photographed is placed below the second adjusting mechanism 2. First, the first adjusting mechanism 1 is adjusted. When the first adjusting mechanism 1 is adjusted horizontally, the x-axis adjusting mechanism is driven to adjust, and when the first adjusting mechanism 1 is adjusted vertically, the z-axis adjusting mechanism is driven to adjust, so that the camera 4 is aligned with the workpiece to be photographed, and the workpiece to be photographed is imaged clearly. Second, the clamp 24 is loosened, the adjusting plate 22 is adjusted by sliding on the adjusting rod 21, and the adjusting plate 22 is adjusted by rotating around the adjusting rod 21 as the rotating shaft, and then the clamp 24 is locked after the adjusting plate 22 is adjusted to the desired position. Finally, the rotating shaft 31 of the light source device 3 rotates around the y-axis in the sliding groove 23 and slides along the x-axis direction to adjust the light source device 3 to the desired angle and position, so that the light source device 3 provides the most suitable light source for the workpiece to be photographed, and then the camera 4 takes a clear photo of the workpiece to be photographed.

[0032] Mainly refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 , the z-axis adjusting mechanism comprises a first fine adjustment micrometer 11 and a first adjusting seat 12, the ruler frame 16 of the first fine adjustment micrometer 11 is fixedly connected with the mounting seat 15, the ruler frame 16 of the first fine adjustment micrometer 11 is arranged in the first adjusting seat 12 along the z-axis direction, one end of the ruler frame 16 is provided with a fine adjustment screw 17, the other end of the ruler frame 16 is provided with a locking screw 18, the first adjusting seat 12 is clamped between the fine adjustment screw 17 and the locking screw 18, the fine adjustment screw 17 is rotated to push the first adjusting seat 12 to move along the z-axis direction, and the locking screw 18 is rotated to lock the first adjusting seat 12; the x-axis adjusting mechanism comprises a second fine adjustment micrometer 13 and a second adjusting seat 14, the ruler frame 16 of the second fine adjustment micrometer 13 is fixedly connected with the first adjusting seat 12, the ruler frame 16 of the second fine adjustment micrometer 13 is arranged in the second adjusting seat 14 along the x-axis direction, one end of the ruler frame 16 is provided with a fine adjustment screw 17, the other end of the ruler frame 16 is provided with a locking screw 18, the second adjusting seat 14 is clamped between the fine adjustment screw 17 and the locking screw 18, the fine adjustment screw 17 is rotated to push the second adjusting seat 14 to move along the x-axis direction, the locking screw 18 is rotated to lock the second adjusting seat 14, and the camera 4 is fixedly connected with the second adjusting seat 14, so that the camera 4 moves along the x-axis and z-axis directions.

[0033] When the fine adjustment screw 17 of the first fine adjustment micrometer 11 is rotated, the first adjusting seat 12 moves along the z-axis direction, and the moving precision is 0.001 mm; when the fine adjustment screw 17 of the second fine adjustment micrometer 13 is rotated, the second adjusting seat 14 moves along the x-axis direction, and the moving precision is 0.001 mm. When the workpiece to be photographed is a small-size workpiece, the large-amplitude movement of the camera 4 is easy to make the workpiece deviate from the best position for shooting, and the adjustment precision of 0.001 mm is preferably adopted.

[0034] Mainly refer to Figure 1, two light source devices 3 are arranged on the second adjusting mechanism 2, two sliding grooves 23 are arranged on the adjusting plate 22 of the second adjusting mechanism 2, the two sliding grooves 23 are evenly distributed on both ends of the adjusting plate 22, and the adjusting rod 21 is arranged in the middle of the adjusting plate 22. When the fine adjustment visual detection mechanism works, the workpiece to be shot is arranged between the two light source devices 3, the two light source devices 3 can jointly illuminate the photographed object, the overall brightness of the picture is significantly improved, meanwhile, the positions and angles of the two light sources are reasonably arranged, the problems of too concentrated or too dispersed light can be effectively avoided, the light is more uniformly distributed on the workpiece to be shot, the influence of shadow and reflection is reduced, and the shot photo is brighter and clearer.

[0035] Mainly refer to Figure 1 , the light source device 3 adopts a strip-shaped light source. The strip-shaped light source can emit long strip-shaped and uniform light, and the light distribution helps to form a soft and uniform lighting effect on the shooting object, avoiding the problems of strong shadow and uneven light that may be caused by the traditional point light source.

[0036] Mainly refer to Figure 5 , the sliding groove 23 is a racetrack-shaped through hole. The rotating shaft 31 of the light source device 3 penetrates through the sliding groove 23, the racetrack-shaped through hole provides a margin for the rotating shaft 31 to rotate along the y-axis direction and move along the x-axis direction, so that the light source device 3 can be flexibly adjusted.

[0037] The above only describes the preferred embodiments of the present application, and is not intended to limit the design of the present application. Any equivalent changes made according to the key design of the present application shall fall within the protection scope of the present application.

Claims

1. A micro-adjustment vision inspection mechanism, characterized by: The mounting base, the first adjusting mechanism, the camera, the second adjusting mechanism and the at least one light source device are included. The first adjusting mechanism is arranged on the mounting base in a sliding manner, and the camera is arranged on the first adjusting mechanism. The first adjusting mechanism includes an x-axis adjusting mechanism and a z-axis adjusting mechanism. Locking structures are arranged on the x-axis adjusting mechanism and the z-axis adjusting mechanism, respectively. The camera moves along the x-axis direction under the action of the x-axis adjusting mechanism and is fixed on the mounting base through the locking structure. The camera moves along the z-axis direction under the action of the z-axis adjusting mechanism and is fixed on the mounting base through the locking structure. The second adjusting mechanism includes an adjusting plate, a clamp and an adjusting rod. The clamp is arranged on the adjusting plate. One end of the adjusting rod is arranged in the clamp. The adjusting plate is locked after being adjusted on the adjusting rod through the clamp. The adjusting plate is locked after being adjusted on the adjusting rod through the clamp with the adjusting rod as a rotating shaft. The other end of the adjusting rod is connected with the mounting base, so that the second adjusting mechanism slides up and down and rotates relative to the first adjusting mechanism. At least one sliding groove is arranged on the adjusting plate. The sliding groove extends along the x-axis direction. The light source device is arranged on one side of the adjusting plate. The light source device is provided with a rotating shaft. The rotating shaft is arranged in the sliding groove in a rotating manner along the y-axis direction. The light source device rotates along the y-axis through the rotating shaft and moves along the x-axis direction. Locking pieces are arranged on the other side of the adjusting plate relative to the light source device. The locking pieces fix the light source device on the adjusting plate through the locking rotating shaft.

2. A micro-adjustment vision inspection mechanism as claimed in claim 1, characterized in that: The z-axis adjusting mechanism includes a first fine adjustment micrometer and a first adjusting seat. The frame of the first fine adjustment micrometer is fixedly connected with the mounting base. The frame of the first fine adjustment micrometer is arranged in the first adjusting seat in a penetrating manner along the z-axis direction. One end of the frame is provided with a fine adjustment screw. The other end of the frame is provided with a locking screw. The first adjusting seat is clamped between the fine adjustment screw and the locking screw. The fine adjustment screw is rotated to push the first adjusting seat to move along the z-axis direction. The locking screw is rotated to lock the first adjusting seat. The x-axis adjusting mechanism includes a second fine adjustment micrometer and a second adjusting seat. The frame of the second fine adjustment micrometer is fixedly connected with the first adjusting seat. The frame of the second fine adjustment micrometer is arranged in the second adjusting seat in a penetrating manner along the x-axis direction. One end of the frame is provided with a fine adjustment screw. The other end of the frame is provided with a locking screw. The second adjusting seat is clamped between the fine adjustment screw and the locking screw. The fine adjustment screw is rotated to push the second adjusting seat to move along the x-axis direction. The locking screw is rotated to lock the second adjusting seat. The camera is fixedly connected with the second adjusting seat, so that the camera moves along the x-axis and the z-axis directions.

3. A micro-adjustment vision inspection mechanism as claimed in claim 2, wherein: When the fine adjustment screw of the first fine adjustment micrometer is rotated, the first adjusting seat moves along the z-axis direction. The moving precision is 0.001 mm. When the fine adjustment screw of the second fine adjustment micrometer is rotated, the second adjusting seat moves along the x-axis direction. The moving precision is 0.001 mm.

4. A fine adjustment vision inspection mechanism as claimed in claim 1, wherein: Two light source devices are arranged on the second adjusting mechanism. Two sliding grooves are arranged on the adjusting plate of the second adjusting mechanism. The two sliding grooves are evenly distributed at two ends of the adjusting plate. The adjusting rod is arranged at the middle of the adjusting plate.

5. A micro-adjustment vision inspection mechanism as claimed in claim 1, wherein: The light source device adopts a strip-shaped light source.

6. A micro-adjustment vision inspection mechanism as claimed in claim 1, wherein: The sliding groove is a track-shaped through hole.

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