Optical detection equipment for PCB (Printed Circuit Board)

Abstract

The utility model relates to the technical field of optical detection, and discloses an optical detection device for a PCB, which comprises a supporting structure, the supporting structure comprises a supporting plate, four supporting columns are fixedly arranged at the bottom of the supporting plate, and a support plate and a positioning structure are fixedly arranged at the top of the supporting plate. According to the optical detection equipment for the PCB, a to-be-detected product is placed on the L-shaped plate, then the fastening bolt on the transverse plate is tightened, the fastening plate is moved downwards to be connected with the product in a fastening mode, and therefore fastening and positioning operation on the product is achieved, then the product can be detected by moving the detector body, and after one face of the product is detected, the product is fixed through the fixing device. When one side of the product is detected, the stepping motor can be started to drive the rotating column to rotate at a fixed angle, so that the other side of the product can be rotated to the position under the movable detector body, the other side of the product can be detected, manual disassembly and assembly operation is not needed, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical detection, in particular to an optical detection device for PCB. Background Art

[0002] The names of circuit boards include: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high-frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The finished product inspection of circuit boards is basically carried out using optical inspection equipment. When the existing PCB optical inspection equipment needs to perform double-sided inspection on the product, it can only be achieved by manually repeatedly disassembling and installing the product. The process is very cumbersome and is prone to offset errors in the detection position. Utility Model Content

[0003] The purpose of the present utility model is to provide an optical inspection device for PCB to solve the problems raised in the above background technology.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: an optical inspection device for PCBs, comprising a support structure, the support structure comprising a support plate, four support columns fixedly provided at the bottom of the support plate, a bracket plate and a positioning structure fixedly provided at the top of the support plate, and a mobile detector body provided at the bracket plate;

[0005] The positioning structure includes two positioning plates symmetrically fixedly arranged on the top of the support plate, a slide rail fixedly arranged between the two positioning plates, a workbench slidingly arranged on the outside of the slide rail, two vertical plates symmetrically fixedly arranged on the top of the workbench, a rotating column rotatably arranged on the opposite sides of the two vertical plates, an L-shaped plate fixedly arranged on the opposite ends of the two rotating columns, a horizontal plate fixedly arranged on the outside of the two L-shaped plates, a fastening bolt threaded through the two horizontal plates is rotatably connected, a fastening plate is fixedly arranged on the bottom ends of the two fastening bolts, a stepper motor is fixedly arranged on the outside of the vertical plate located on the left side of the top of the workbench, and the stepper motor shaft passes through the vertical plate and is fixedly connected to the corresponding rotating column.

[0006] Preferably, the mobile detector body includes a threaded rod rotatably connected to the inner wall of the bracket plate, one end of the threaded rod passes through the bracket plate, the outer side of the threaded rod is threadedly connected to a moving block, a positioning frame is fixedly provided at the bottom of the moving block, a device body is fixedly provided in the positioning frame, and the axis of the device body passes through the positioning frame and is fixedly connected to the detection head.

[0007] By setting up a mobile detector body, the movable block can be moved by rotating the threaded rod, thereby driving the detection head to move, and the position of product detection can be adjusted, thereby increasing the detection range.

[0008] Preferably, the threaded rod is fixedly connected to a rotation knob at one end outside the bracket plate.

[0009] The provision of a rotary knob makes it more convenient and quick for the operator to adjust the position of the detection head by driving the threaded rod.

[0010] Preferably, anti-collision pads are fixedly provided on the bottom of the two fastening plates.

[0011] By providing the anti-collision pad, it can play a role in preventing bumps from occurring when the product is fastened and positioned by the fastening plate.

[0012] Preferably, gripping handles are fixedly provided on both sides of the workbench.

[0013] By providing a gripping handle, an operator can adjust the position of the workbench by holding the gripping handle.

[0014] Preferably, a guide rod is fixedly connected between the two inner side walls of the bracket plate, and the guide rod is slidably connected to the moving block.

[0015] By providing the guide rod, the moving path of the moving block can be limited and guided to avoid position offset and collision.

[0016] Compared with the prior art, the present invention provides an optical inspection device for PCBs, which has the following beneficial effects:

[0017] 1. The optical inspection equipment for PCBs is equipped with a positioning structure so that the product to be inspected can be placed on an L-shaped plate. Then, by tightening the fastening bolts on the horizontal plate, the fastening plate is moved downward to be fastened to the product, thereby achieving a fastening and positioning operation of the product. The product can then be inspected by moving the detector body. After one side of the product is inspected, the stepper motor can be started, and the stepper motor drives the rotating column to rotate at a fixed angle, so that the other side of the product can be rotated to just below the mobile detector body, and then the other side of the product can be inspected. No manual disassembly and installation operations are required, which improves inspection efficiency.

[0018] 2. The optical inspection equipment for PCB is equipped with a mobile detector body, a slide rail and a workbench, so that the movable block can be moved by rotating the threaded rod. At the same time, the workbench can also be adjusted by sliding on the slide rail, so that different positions of the product can be inspected, thereby improving the inspection range and inspection quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the overall structure of the utility model Figure 2 ;

[0021] Figure 3 For this utility model Figure 2 A magnified schematic diagram of the structure in the middle.

[0022] Among them: 1. Support structure; 11. Support plate; 12. Support column; 13. Bracket plate; 2. Positioning structure; 21. Positioning plate; 22. Slide rail; 23. Workbench; 24. Vertical plate; 25. Rotating column; 26. L-shaped plate; 27. Horizontal plate; 28. Fastening bolt; 29. ​​Fastening plate; 210. Stepper motor; 211. Holding handle; 3. Mobile detector body; 31. Threaded rod; 32. Moving block; 33. Positioning frame; 34. Device body; 35. Detection head; 36. Rotating knob; 37. Guide rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-3 The utility model provides the following technical solution: an optical inspection device for PCB, comprising a support structure 1, the support structure 1 comprising a support plate 11, four support columns 12 fixedly provided at the bottom of the support plate 11, a bracket plate 13 and a positioning structure 2 fixedly provided at the top of the support plate 11, and a mobile detector body 3 provided at the bracket plate 13;

[0025] The positioning structure 2 includes two positioning plates 21 symmetrically fixed on the top of the support plate 11, a slide rail 22 is fixed between the two positioning plates 21, a workbench 23 is slidingly arranged on the outside of the slide rail 22, two vertical plates 24 are symmetrically fixed on the top of the workbench 23, and rotating columns 25 are rotatably arranged on the opposite sides of the two vertical plates 24. L-shaped plates 26 are fixed on the opposite ends of the two rotating columns 25, and horizontal plates 27 are fixed on the outside of the two L-shaped plates 26. Fastening bolts 28 are threaded through the inside of the two horizontal plates 27 and are rotatably connected. Fastening plates 29 are fixed at the bottom ends of the two fastening bolts 28. A stepper motor 210 is fixed on the outside of the vertical plate 24 located on the left side of the top of the workbench 23. The shaft of the stepper motor 210 passes through the vertical plate 24 and is fixedly connected to the corresponding rotating column 25.

[0026] Through the above technical solution, by setting the positioning structure 2, the product to be inspected can be placed on the L-shaped plate 26, and then by tightening the fastening bolts 28 on the horizontal plate 27, the fastening plate 29 is moved downward to be fastened to the product, thereby realizing the fastening and positioning operation of the product, and then the product can be inspected by moving the detector body 3. After one side of the product is inspected, the stepper motor 210 can be started, and the stepper motor 210 drives the rotating column 25 to rotate at a fixed angle, so that the other side of the product can be rotated to the bottom of the mobile detector body 3, and then the other side of the product can be inspected without manual disassembly and installation operations, thereby improving the inspection efficiency.

[0027] Specifically, the mobile detector body 3 includes a threaded rod 31 rotatably connected to the inner wall of the bracket plate 13, one end of the threaded rod 31 passes through the bracket plate 13, and the outer side of the threaded rod 31 is threadedly connected to a moving block 32, a positioning frame 33 is fixedly provided at the bottom of the moving block 32, and a device body 34 is fixedly provided in the positioning frame 33, and the axis of the device body 34 passes through the positioning frame 33 and is fixedly connected to a detection head 35.

[0028] Through the above technical solution, by setting up a mobile detector body 3, the movable block 32 can be moved by rotating the threaded rod 31, thereby driving the detection head 35 to move, and the position of the product detection can be adjusted, thereby improving the detection range. By setting up a mobile detector body 3, a slide rail 22 and a workbench 23, the movable block 32 can be moved by rotating the threaded rod 31, and the workbench 23 can also be adjusted by sliding the position on the slide rail 22, thereby realizing detection of different positions of the product, thereby improving the detection range and detection quality.

[0029] Specifically, one end of the threaded rod 31 outside the bracket plate 13 is fixedly connected to a rotation knob 36 .

[0030] With the above technical solution, by providing the rotating knob 36 , it is more convenient and quick for the operator to adjust the position of the detection head 35 by driving the threaded rod 31 .

[0031] Specifically, anti-collision pads are fixedly provided on the bottom of the two fastening plates 29 .

[0032] Through the above technical solution, by providing the anti-collision pad, it is possible to avoid collision when the product is tightened and positioned by the fastening plate 29.

[0033] Specifically, gripping handles 211 are fixedly provided on both sides of the workbench 23 .

[0034] According to the above technical solution, by providing the gripping handle 211 , the operator can adjust the position of the workbench 23 by holding the gripping handle 211 .

[0035] Specifically, a guide rod 37 is fixedly connected between the two inner side walls of the bracket plate 13 , and the guide rod 37 is slidably connected to the moving block 32 .

[0036] Through the above technical solution, by providing the guide rod 37, the moving path of the moving block 32 can be limited and guided to avoid position offset and collision.

[0037] During use, the product to be inspected is placed on the L-shaped plate 26, and then the fastening bolts 28 on the horizontal plate 27 are tightened to move the fastening plate 29 downward to fasten it to the product, thereby achieving the fastening and positioning operation of the product. The product can then be inspected by moving the detector body 3. After one side of the product is inspected, the stepper motor 210 can be started, and the stepper motor 210 drives the rotating column 25 to rotate at a fixed angle, so that the other side of the product can be rotated to the bottom of the mobile detector body 3, and then the other side of the product can be inspected.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An optical inspection device for PCB, comprising a support structure (1), characterized in that: The support structure (1) comprises a support plate (11), four support columns (12) are fixedly arranged at the bottom of the support plate (11), a support plate (13) and a positioning structure (2) are fixedly arranged at the top of the support plate (11), and a motion detector body (3) is arranged at the support plate (13); The positioning structure (2) comprises two positioning plates (21) symmetrically fixedly arranged on the top of the support plate (11), a slide rail (22) is fixedly arranged between the two positioning plates (21), a workbench (23) is slidably arranged outside the slide rail (22), two vertical plates (24) are symmetrically fixedly arranged on the top of the workbench (23), a rotating column (25) is rotatably arranged on the opposite side of the two vertical plates (24), and an L-shaped The two L-shaped plates (26) are fixedly provided with a horizontal plate (27) on the outside, and the two horizontal plates (27) are threadedly penetrated with a fastening bolt (28) for rotational connection, and the bottom ends of the two fastening bolts (28) are fixedly provided with a fastening plate (29), and the vertical plate (24) located on the left side of the top of the workbench (23) is fixedly provided with a stepping motor (210), and the shaft of the stepping motor (210) penetrates the vertical plate (24) and is fixedly connected to the corresponding rotating column (25).

2. The optical inspection device for PCB according to claim 1, characterized in that: The moving detector body (3) comprises a threaded rod (31) rotatably connected to the inner wall of the bracket plate (13); one end of the threaded rod (31) passes through the bracket plate (13); a moving block (32) is threadedly connected to the outer side of the threaded rod (31); a positioning frame (33) is fixedly arranged at the bottom of the moving block (32); a device body (34) is fixedly arranged in the positioning frame (33); the axis of the device body (34) passes through the positioning frame (33) and is fixedly connected to a detection head (35).

3. The optical inspection device for PCB according to claim 2, characterized in that: One end of the threaded rod (31) outside the bracket plate (13) is fixedly connected to a rotating knob (36).

4. The optical inspection device for PCB according to claim 1, characterized in that: Anti-collision pads are fixedly arranged at the bottom of the two fastening plates (29).

5. The optical inspection device for PCB according to claim 1, characterized in that: Grip handles (211) are fixedly provided on both sides of the workbench (23).

6. The optical inspection device for PCB according to claim 2, characterized in that: A guide rod (37) is fixedly connected between the two inner side walls of the bracket plate (13), and the guide rod (37) is slidably connected to the moving block (32).

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