Automatic optical detection device for printed circuit board

Abstract

The utility model discloses an automatic optical detection device for a printed circuit board, which comprises a horizontal placing mechanism, a detection mechanism and a sorting mechanism, and is characterized in that the horizontal placing mechanism comprises a table frame, a transverse plate movably connected with the table frame through a rotating shaft, two torsion springs connected between the table frame and the transverse plate, and the detection mechanism; the detection mechanism comprises a plurality of L-shaped plates connected with the table frame and a ceiling connected among the L-shaped plates. In the utility model, the optical image detection equipment analyzes and detects the circuit board, the detection information is transmitted to the external PLC, if the information result shows that the circuit board is a good product, the external PLC controls the hydraulic cylinder on the right side of the table frame, then the lifting block connected with the hydraulic cylinder drives the lead plate on the rear side of the lifting block to descend, and then the right end of the transverse plate inclines downwards under the action of gravity; and then the good circuit board falls on the right side of the table frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plating, specifically to a printed circuit board automatic optical detection device. BACKGROUND

[0002] The name of circuit board has: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high frequency board, thick copper plate, impedance board, PCB, super-thin circuit board, super-thin circuit board, printed (copper etching technology) circuit board etc. Circuit board makes circuit miniaturization, intuition, and plays an important role in the batch production of fixed circuit and the optimization of electric appliance layout.

[0003] The application number CN202121535900.8 discloses a kind of circuit board production online automatic optical detector, belong to automatic optical detection technical field;The utility model includes: clamping device, first assembly line, table top, detection device, second assembly line;The utility model will detect step be divided into two groups: optical detection group and laser detection group;Utilize optical detection group and laser detection group to detect circuit board simultaneously;In laser detection device, utilize electric rotary adjusting device and driven rotary adjusting device to make that first laser detection device in scanning process, optical imaging device is rotated and obtains image along with;And optical detection device is equipped with just multiple optical imaging equipment, can realize stack, splicing, realize high-resolution optical image, simultaneously utilize light supplementing device, guarantee sufficient exposure in the process of capturing picture.This application is specific to use, cannot distinguish between placing good product and bad product circuit board, bring trouble to subsequent use. UTILITY MODEL CONTENT

[0004] The utility model aims at solving one of the technical problems existing in prior art or related art.

[0005] To this end, the technical scheme adopted by the utility model is as follows:

[0006] A kind of printed circuit board automatic optical detection device, including flat-lying mechanism, detection mechanism and sorting mechanism, the flat-lying mechanism includes table frame, the transverse plate of being connected with the table frame by pivot, two torsion springs being connected between the table frame and transverse plate, detection mechanism, the detection mechanism includes multiple L-shaped plates being connected with the table frame, the ceiling being connected between multiple L-shaped plates, the optical image detection equipment being fixed to the bottom of the ceiling, the optical image detection equipment is suspended in the top of transverse plate, sorting mechanism, the sorting mechanism includes lead plate being slidably connected between adjacent two L-shaped plates, lifting block being fixed to the front side of the lead plate, hydraulic cylinder being connected with the bottom of the lifting block, the lead plate, lifting block, hydraulic cylinder are all set to two, the optical image detection equipment, two hydraulic cylinders are all electrically connected with external PLC.

[0007] By adopting the technical scheme, the optical image detection equipment analyzes and detects the circuit board, detection information is transmitted to the external PLC, if the information result is a good product, the external PLC controls the hydraulic cylinder on the right side of the table frame, then the lifting block connected therewith lowers with the lead plate on the rear side thereof, then under the action of gravity, the right end of the horizontal plate tilts downward, then the good circuit board falls on the right side of the table frame, and vice versa, thereby realizing classified placement of different circuit boards, and facilitating subsequent use.

[0008] In a preferred example, the two torsion springs are located on the front and rear sides of the horizontal plate, and the diameter of the torsion spring is smaller than the thickness of the horizontal plate.

[0009] In a preferred example, the two L-shaped plates are arranged in two groups, and the two groups of L-shaped plates are located on the two sides of the table frame.

[0010] In a preferred example, the two lifting blocks are respectively slidably penetrated through the front sides of the two L-shaped plates close to the front side of the table frame.

[0011] In a preferred example, the bottom of the table frame is provided with a bottom plate, and the bottom ends of the two hydraulic cylinders are fixedly connected to the top of the bottom plate.

[0012] In a preferred example, the top of the bottom plate is provided with two gentle slope plates, and the two gentle slope plates are located on the two sides of the table frame and are arranged on the bottom of the horizontal plate.

[0013] In a preferred example, the two ends of the horizontal plate and the bottom end of the lead plate are provided with U-shaped structures, and the top of the horizontal plate is provided with a plurality of notches suitable for inserting the lead plate.

[0014] By adopting the above technical scheme, the utility model has the beneficial effects of:

[0015] 1. In the utility model, the optical image detection equipment analyzes and detects the circuit board, detection information is transmitted to the external PLC, if the information result is a good product, the external PLC controls the hydraulic cylinder on the right side of the table frame, then the lifting block connected therewith lowers with the lead plate on the rear side thereof, then under the action of gravity, the right end of the horizontal plate tilts downward, then the good circuit board falls on the right side of the table frame, and vice versa, thereby realizing classified placement of different circuit boards, and facilitating subsequent use.

[0016] 2. In the utility model, the operator places the circuit board to be detected on the horizontal plate, then the optical image detection equipment detects the circuit board, then after detection is completed, the circuit board on the horizontal plate falls every time, and the operator will continue to fill and place, so that detection is simple and operation is convenient. DRAWINGS

[0017] Figure 1 This is a perspective view of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the flat-laying mechanism of this utility model;

[0019] Figure 3 This is a schematic diagram of the sorting mechanism of this utility model.

[0020] Figure label:

[0021] 100. Flattening mechanism; 110. Table frame; 120. Horizontal plate; 130. Torsion spring;

[0022] 200. Testing facility; 210. L-shaped plate; 220. Canopy; 230. Optical image inspection equipment;

[0023] 300. Sorting mechanism; 310. Lead plate; 320. Lifting block; 330. Hydraulic cylinder;

[0024] 400. Base plate;

[0025] 500, gentle slope board;

[0026] 600, Groove. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0028] It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this invention.

[0029] The following describes, with reference to the accompanying drawings, some embodiments of an automatic optical inspection device for printed circuit boards.

[0030] Example 1:

[0031] Combination Figures 1-3 As shown, the present invention provides an automatic optical inspection device for printed circuit boards, including a flattening mechanism 100, an inspection mechanism 200 and a sorting mechanism 300. The flattening mechanism 100 includes a table frame 110, a horizontal plate 120 movably connected to the table frame 110 via a pivot, and two torsion springs 130 connected between the table frame 110 and the horizontal plate 120.

[0032] The detection mechanism 200 comprises a plurality of L-shaped plates 210 connected with the table frame 110, a ceiling 220 connected between the plurality of L-shaped plates 210, and an optical image detection device 230 fixedly connected to the bottom of the ceiling 220, wherein the optical image detection device 230 is suspended from the top of the horizontal plate 120.

[0033] The sorting mechanism 300 comprises a lead plate 310 slidingly connected between two adjacent L-shaped plates 210, a lifting block 320 fixedly connected to the front side of the lead plate 310, and a hydraulic cylinder 330 connected to the bottom of the lifting block 320, wherein the lead plate 310, the lifting block 320, and the hydraulic cylinder 330 are provided in two sets, the optical image detection device 230 and the two hydraulic cylinders 330 are electrically connected with an external PLC, and the control mode of the utility model is realized by automatic control through the external PLC.

[0034] Further, the two torsion springs 130 are respectively located on the front and rear sides of the horizontal plate 120, the diameter of the torsion spring 130 is smaller than the thickness of the horizontal plate 120, and the layout design of the two torsion springs 130 enables the horizontal plate 120 to be horizontally and stably placed.

[0035] Further, the plurality of L-shaped plates 210 are provided in two sets, two L-shaped plates 210 are respectively located on the two sides of the table frame 110, and the layout design of the plurality of L-shaped plates 210 enables the L-shaped plates 210 to firmly fix the ceiling 220 and the optical image detection device 230 and also provides conditions for the guide lead plate 310.

[0036] Further, the two lifting blocks 320 are respectively slidingly penetrated through the front sides of the two L-shaped plates 210 close to the front side of the table frame 110, and the connection relationship of the lifting block 320 enables the lifting block 320 to be smoothly lifted and lowered.

[0037] Further, the two ends of the horizontal plate 120 and the bottom end of the lead plate 310 are provided in a U-shaped manner, a plurality of slot openings 600 suitable for the plug-in connection of the lead plate 310 are formed in the top of the horizontal plate 120, and the slot openings 600 ensure that the lead plate 310 will not be separated from the horizontal plate 120 when the lead plate 310 presses down the horizontal plate 120.

[0038] Embodiment two:

[0039] In combination with Figure 1 As shown in the embodiment one, the bottom of the table frame 110 is provided with a bottom plate 400, and the bottom ends of the two hydraulic cylinders 330 are fixedly connected to the top of the bottom plate 400, and the bottom plate 400 can improve the stability of the overall structure of the device.

[0040] Embodiment three:

[0041] In combination Figure 1 As shown in the above embodiment, the bottom plate 400 is provided with two gentle slope plates 500 on the top, and the two gentle slope plates 500 are respectively arranged on the two sides of the table frame 110 and are arranged at the bottom of the horizontal plate 120. The gentle slope plate 500 is arranged so that the circuit board can slide down gently and prevent the circuit board from being damaged by sliding down.

[0042] The working principle and use process of the utility model: when the device is put into practical use, the horizontal plate 120 is placed horizontally and stably under the assistance of the two torsion springs 130, then the operator lays the circuit board on the horizontal plate 120, then the optical image detection equipment 230 analyzes and detects the circuit board, the detection information is transmitted to the external PLC, if the information result is a good product, the external PLC controls the hydraulic cylinder 330 on the right side of the table frame 110, then the lifting block 320 connected with the hydraulic cylinder 330 and the lead plate 310 on the back side of the lifting block 320 are lowered, then under the action of gravity, the right end of the horizontal plate 120 is inclined downward, then the good circuit board falls on the right side of the table frame 110, and vice versa, thereby realizing the classified placement of different circuit boards, which is convenient for subsequent use.

[0043] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. An automated optical inspection apparatus for printed circuit boards, characterized in that The utility model relates to a kind of automatic sorting machine, including: Flat mechanism (100), the flat mechanism (100) includes table frame (110), transverse plate (120) is movably connected with the table frame (110) by pivot, two torsional springs (130) are connected between the table frame (110) and transverse plate (120); Detection mechanism (200), the detection mechanism (200) includes multiple L-shaped plates (210) connected with the table frame (110), ceiling (220) is connected between multiple L-shaped plates (210), optical image detection equipment (230) is fixedly connected with the bottom of ceiling (220), and the optical image detection equipment (230) is suspended on the top of transverse plate (120); Sorting mechanism (300), the sorting mechanism (300) includes lead plate (310) slidingly connected between adjacent two L-shaped plates (210), lifting block (320) is fixedly connected with the front side of lead plate (310), hydraulic cylinder (330) is connected with the bottom of lifting block (320), and lead plate (310), lifting block (320), hydraulic cylinder (330) are all provided as two, and optical image detection equipment (230), two hydraulic cylinders (330) are electrically connected with external PLC.

2. The apparatus according to claim 1, wherein Two torsional springs (130) are located at the front and back of transverse plate (120) respectively, and the diameter of torsional spring (130) is less than the thickness of transverse plate (120).

3. The apparatus of claim 1, wherein the light source is a laser diode. Multiple L-shaped plates (210) are set as two groups, and two groups of L-shaped plates (210) are located at the two sides of table frame (110) respectively.

4. The apparatus of claim 1, wherein the light source is a laser diode. Two lifting blocks (320) are slidingly penetrated through the front side of two L-shaped plates (210) close to the front side of table frame (110) respectively.

5. The apparatus of claim 1, wherein the light source is a laser diode. The bottom of table frame (110) is provided with bottom plate (400), and the bottom end of two hydraulic cylinders (330) is fixedly connected with the top of bottom plate (400).

6. An apparatus for automated optical inspection of printed circuit boards as defined in claim 5, wherein, The top of bottom plate (400) is provided with two gentle slope plates (500), and two gentle slope plates (500) are located at the two sides of table frame (110) and are arranged at the bottom of transverse plate (120).

7. The apparatus of claim 1, wherein the light source is a laser diode. The both ends of transverse plate (120) and the bottom end of lead plate (310) are provided with U-shaped, and multiple notches (600) suitable for lead plate (310) are formed in the top of transverse plate (120).

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