Positioning mechanism for visual inspection of mainboard

Abstract

The utility model relates to the field of mainboard visual inspection, and discloses a positioning mechanism for mainboard visual inspection, which comprises a plurality of sliding plates, the plurality of sliding plates are arranged on the top surface of a fixed frame in a sliding manner, two fixed plates are fixed on the top surface of the fixed frame, a plurality of rotating plates are arranged on the top surfaces of the sliding plates in a rotating manner, and the rotating plates are fixed on the top surface of the fixed frame. A plurality of positioning plates are rotatably arranged on the top face of the fixing plate, two sliding openings are formed in the top face of the fixing frame, two fixing holes are formed in the top face of the sliding plate, fixing bolts are slidably arranged in the sliding openings, and the top ends of the fixing bolts penetrate through the sliding openings and are rotatably inserted into the fixing holes. The surface of the end, penetrating through the fixing hole, of the fixing bolt is in threaded connection with a fixing ring. When the mainboard is positioned, a worker can adjust the distance between the two sliding plates according to the size of the mainboard, and by adjusting the distance between the two sliding plates, the application range when the mainboard is positioned for visual inspection is enlarged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mainboard visual inspection, specifically to a positioning mechanism for mainboard visual inspection. BACKGROUND

[0002] PCB visual inspection technology is an integral part of modern manufacturing, which comprehensively uses electronics, photoelectric detection, image processing and computer technology to realize high-precision and high-efficiency automatic detection of printed circuit boards (PCB). This technology can check the shape, size, inner hole and characters of PCB in detail to ensure product quality.

[0003] According to the Chinese patent with the announcement number CN217404464U, the PCB visual inspection device includes a machine table, a support table is arranged on the machine table to support the PCB, the support table includes a base, a pressing plate is arranged on the base, a detection groove is arranged on the pressing plate to match the PCB, a connector one is arranged on the detection groove to match the PCB to connect and control the PCB, an operation table is arranged to match the support table, a display module is arranged on the machine table to display the control content of the PCB, the display module is located at the display module, a crimping piece is arranged on the machine table to crimp the FPC, and a detection camera is arranged on the top of the display module.

[0004] In the above scheme, the support table is used to lift the mainboard, which still has the following shortcomings: the area of the top surface of the support table is limited, and the area that can contact the mainboard is also limited. It may not be able to lift the mainboard due to the large area gap, reducing the application range when visually inspecting the mainboard. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a positioning mechanism for mainboard visual inspection to solve the problem that the mainboard may not be lifted due to the large area gap, reducing the application range when visually inspecting the mainboard.

[0006] In order to achieve the above utility model purposes, the utility model adopts the following technical scheme: a positioning mechanism for mainboard visual inspection, including a plurality of sliding plates, a plurality of sliding plates are slidingly arranged on the top surface of the fixed frame, the top surface of the fixed frame is fixed with two fixed plates, the top surface of the fixed plate is rotatably provided with a plurality of rotating plates, the top surface of the fixed plate is rotatably provided with a plurality of positioning plates, the top surface of the fixed frame is provided with two sliding openings, the top surface of the sliding plate is provided with two fixed holes, the inside of the sliding opening is slidingly provided with a fixed bolt, the top end of the fixed bolt passes through the sliding opening and is rotatably inserted with the fixed hole, and the surface of the fixed bolt passing through one end of the fixed hole is threadedly connected with a fixed ring.

[0007] Preferably, the two ends of the rotating plate have blocking areas for limiting the main plate, and one end of the positioning plate has a blocking area for limiting the main plate.

[0008] Preferably, the bottom surface of the fixed frame is fixed with a mounting box, the inner bottom surface of the mounting box is provided with two low-brightness lamp plates, one side of the mounting box is fixed with a mounting flap, and the bottom surface of the horizontal plane of the mounting flap is slidably provided with a lighting lamp.

[0009] Preferably, the top surface of the horizontal plane of the mounting flap is provided with a moving opening, the top surface of the lighting lamp is fixed with a connecting column, the connecting column is slidably arranged in the moving opening, the top surface of the connecting column is fixed with a blocking plate, and the top surface of the blocking plate is fixed with a pushing plate.

[0010] Preferably, the top surface of the sliding plate is provided with a plurality of first threaded grooves, a first bolt is rotatably inserted into the rotating plate, and the bottom end of the first bolt penetrates through the rotating plate and is threadedly connected with the first threaded groove.

[0011] Preferably, the top surface of the fixed plate is provided with a plurality of second threaded grooves, a second bolt is rotatably inserted into the positioning plate, and the bottom end of the second bolt penetrates through the positioning plate and is threadedly connected with the second threaded groove.

[0012] Compared with the prior art, the positioning mechanism for main plate visual detection has the following beneficial effects:

[0013] Firstly, the staff will adjust the distance between the two sliding plates according to the size of the main plate. The staff will first rotate the fixed ring. The rotating fixed ring will drive the fixed screw to move downward in the sliding opening by a distance by the threaded connection with the fixed screw. Then the staff applies a longitudinal force to the sliding plate, so as to adjust the distance between the two sliding plates. After determining the distance between the two sliding plates, the staff will rotate the fixed ring again, which can drive the fixed screw to move upward in the sliding opening at the same time. The fixed ring is screwed downward to press and fix the sliding plate on the top surface of the fixed frame. Then the staff will put the main plate between the two sliding plates, and then rotate the rotating plate or the positioning plate to limit the main plate by the blocking area on the rotating plate or the blocking area on the positioning plate. By adjusting the distance between the two sliding plates, the application range of visual detection of the positioned main plate is increased.

[0014] II. When the staff visually inspects the positioned mainboard, the staff can start the low-brightness lamp plate according to the brightness of the nearby environment, and due to the brightness angle of the low-brightness lamp plate, strong light can be avoided to harm the eyes of the staff, in addition, the staff can also push the blocking plate to drive the illuminating lamp to slide above the fixed frame, that is, the illuminating area of the illuminating lamp can be adjusted according to the position of the mainboard, the brightness during visual inspection of the mainboard is increased, and the accuracy of the detection result is ensured;

[0015] III. When the mainboard is on the top surface of the sliding plate, the staff first rotates the first bolt or the second bolt by a distance, then the staff applies an upward force to the rotating plate or the positioning plate, then the staff pushes the mainboard to the lower side of the blocking area, and then the staff rotates the first bolt or the second bolt downward, that is, the rotating plate or the positioning plate can be used to apply extrusion force to the edge position of the mainboard, and the firmness of the position of the mainboard on the sliding plate can be increased. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the embodiment.

[0017] Figure 2 It is an exploded perspective view of the embodiment.

[0018] Figure 3 It is a perspective view of the sliding plate and the rotating plate in the embodiment.

[0019] Figure 4 It is a perspective view of the connecting column and the blocking plate in the embodiment.

[0020] Figure 5 It is Figure 3 It is an enlarged schematic view of the partial structure at A in the embodiment.

[0021] Figure 6 It is Figure 3 It is an enlarged schematic view of the partial structure at B in the embodiment.

[0022] In the figure: 1, fixed frame; 2, sliding plate; 3, fixed plate; 4, rotating plate; 5, positioning plate; 6, sliding port; 7, fixed hole; 8, fixed bolt; 9, fixed ring; 10, mounting box; 11, low-brightness lamp plate; 12, mounting folding plate; 13, illuminating lamp; 14, moving port; 15, connecting column; 16, blocking plate; 17, pushing plate; 18, first threaded groove; 19, first bolt; 20, second threaded groove; 21, second bolt; 22, blocking area; 23, shielding area. DETAILED DESCRIPTION

[0023] The preferred embodiment of the utility model is described in detail below with reference to the drawings.

[0024] For example, Figures 1-3As shown in the figure, a positioning mechanism for motherboard visual detection includes several sliding plates 2, the sliding plates 2 are slidingly arranged on the top surface of a fixed frame 1, the top surface of the fixed frame 1 is fixed with two fixed plates 3, the top surface of the sliding plate 2 is rotatably provided with several rotating plates 4, the top surface of the fixed plate 3 is rotatably provided with several positioning plates 5, the top surface of the fixed frame 1 is provided with two sliding openings 6, the top surface of the sliding plate 2 is provided with two fixed holes 7, the inside of the sliding opening 6 is slidingly provided with a fixed bolt 8, the top end of the fixed bolt 8 passes through the sliding opening 6 and is rotatably inserted into the fixed hole 7, the surface of the end of the fixed bolt 8 passing through the fixed hole 7 is threadedly connected with a fixed ring 9, the two ends of the rotating plate 4 have a blocking area 22 for limiting the motherboard, one end of the positioning plate 5 has a shielding area 23 for limiting the motherboard.

[0025] In use, the worker will first adjust the distance between the two sliding plates 2 according to the size of the motherboard, first the worker will rotate the fixed ring 9, the rotating fixed ring 9 will drive the fixed bolt 8 to move downward in the inside of the sliding opening 6 by a distance by the thread connection with the fixed bolt 8, then the worker applies a longitudinal force to the sliding plate 2, so as to adjust the distance between the two sliding plates 2, after determining the distance between the two sliding plates 2, the worker will rotate the fixed ring 9 again, that is, to drive the fixed bolt 8 to move upward in the inside of the sliding opening 6 synchronously, and the fixed ring 9 is screwed downward to press and fix the sliding plate 2 on the top surface of the fixed frame 1, then the worker places the motherboard between the two sliding plates 2, then rotates the rotating plate 4 or the positioning plate 5, and uses the blocking area 22 on the rotating plate 4 or the shielding area 23 on the positioning plate 5 to limit the motherboard, by adjusting the distance between the two sliding plates 2, the application range when positioning the motherboard for visual detection is increased.

[0026] As shown in the figure, Figure 2 and Figure 4 As shown in the figure, the bottom surface of the fixed frame 1 is fixed with a mounting box 10, the inside bottom surface of the mounting box 10 is provided with two low-brightness lamp plates 11, one side of the mounting box 10 is fixed with a mounting folding plate 12, the bottom surface of the horizontal surface of the mounting folding plate 12 is slidingly provided with an illuminating lamp 13, the top surface of the horizontal surface of the mounting folding plate 12 is provided with a moving opening 14, the top surface of the illuminating lamp 13 is fixed with a connecting column 15, the connecting column 15 is slidingly arranged with the moving opening 14, the top surface of the connecting column 15 is fixed with a blocking plate 16, the top surface of the blocking plate 16 is fixed with a pushing plate 17.

[0027] In use, when the workers visually inspect the positioned mainboard, the workers can turn on the low-brightness lamp plate 11 according to the brightness of the nearby environment, and the workers can avoid the strong light from hurting the eyes of the workers due to the brightness angle of the low-brightness lamp plate 11, and the workers can also push the blocking plate 16 to drive the illuminating lamp 13 to slide above the fixed frame 1, so that the illuminating area of the illuminating lamp 13 can be adjusted according to the position of the mainboard, the brightness during the visual inspection of the mainboard is increased, and the accuracy of the detection result is ensured.

[0028] As shown in Figure 3 , Figure 5 and Figure 6 , the top surface of the sliding plate 2 is provided with a plurality of first threaded grooves 18, the rotating plate 4 is rotatably provided with a first bolt 19, the bottom end of the first bolt 19 penetrates through the rotating plate 4 and is threadedly connected with the first threaded groove 18, the top surface of the fixed plate 3 is provided with a plurality of second threaded grooves 20, and the positioning plate 5 is rotatably provided with a second bolt 21, and the bottom end of the second bolt 21 penetrates through the positioning plate 5 and is threadedly connected with the second threaded groove 20.

[0029] In use, when the mainboard is placed on the top surface of the sliding plate 2, the workers can first rotate the first bolt 19 or the second bolt 21 for a distance, then the workers apply an upward force to the rotating plate 4 or the positioning plate 5, then the workers push the mainboard to below the blocking area 22, and then the workers rotate the first bolt 19 or the second bolt 21 downward, so that the rotating plate 4 or the positioning plate 5 can apply a pressing force to the edge position of the mainboard, and the firmness of the position of the mainboard on the sliding plate 2 can be increased.

[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A positioning mechanism for visual inspection of a main board, comprising a plurality of sliding plates (2), each of which is slidingly arranged on the top surface of a fixed frame (1), characterized in that, The top surface of the fixed frame (1) is fixed with two fixed plates (3), the top surface of the sliding plate (2) is rotationally provided with a plurality of rotating plates (4), the top surface of the fixed plate (3) is rotationally provided with a plurality of positioning plates (5), the top surface of the fixed frame (1) is provided with two sliding openings (6), the top surface of the sliding plate (2) is provided with two fixed holes (7), the inside of the sliding opening (6) is slidably provided with a fixed bolt (8), the top end of the fixed bolt (8) passes through the sliding opening (6) and is rotationally inserted into the fixed hole (7), and the surface of one end of the fixed hole (7) through which the fixed bolt (8) passes is threadedly connected with a fixed ring (9).

2. The positioning mechanism for visual inspection of a mainboard according to claim 1, wherein: Both ends of the rotating plate (4) have a blocking area (22) for limiting the main plate, and one end of the positioning plate (5) has a shielding area (23) for limiting the main plate.

3. The positioning mechanism for visual inspection of a motherboard according to claim 1, wherein: The bottom surface of the fixed frame (1) is fixed with a mounting box (10), the inside bottom surface of the mounting box (10) is provided with two low-brightness lamp plates (11), one side of the mounting box (10) is fixed with a mounting folding plate (12), and the bottom surface of the horizontal plane of the mounting folding plate (12) is slidably provided with an illuminating lamp (13).

4. The positioning mechanism for visual inspection of a mainboard according to claim 3, characterized in that: The top surface of the horizontal plane of the mounting folding plate (12) is provided with a moving opening (14), the top surface of the illuminating lamp (13) is fixed with a connecting column (15), the connecting column (15) and the moving opening (14) are slidably arranged, the top surface of the connecting column (15) is fixed with a blocking plate (16), and the top surface of the blocking plate (16) is fixed with a pushing plate (17).

5. The positioning mechanism for visual inspection of a motherboard according to claim 1, wherein: The top surface of the sliding plate (2) is provided with a plurality of first threaded grooves (18), the rotating plate (4) is rotationally inserted with a first bolt (19), and the bottom end of the first bolt (19) passes through the rotating plate (4) and is threadedly connected with the first threaded groove (18).

6. The positioning mechanism for visual inspection of a motherboard according to claim 1, wherein: The top surface of the fixed plate (3) is provided with a plurality of second threaded grooves (20), the positioning plate (5) is rotationally inserted with a second bolt (21), and the bottom end of the second bolt (21) passes through the positioning plate (5) and is threadedly connected with the second threaded groove (20).

Images