CN209992412U

CN209992412U - PCB AOI device

Info

Publication number: CN209992412U
Application number: CN201822033617.XU
Authority: CN
Inventors: 崔兴友; 王朝辉; 周应东
Original assignee: Huizhou Junya Digital Technology Co Ltd
Current assignee: Huizhou Junya Digital Technology Co Ltd
Priority date: 2018-12-05
Filing date: 2018-12-05
Publication date: 2020-01-24
Anticipated expiration: 2028-12-05

Abstract

The utility model relates to a PCB board AOI device, including the board, set up the removal subassembly in the board top, set up the detection subassembly that is used for detecting the PCB board on removing the subassembly, set up the lifting unit who is used for carrying the PCB board in the board bottom surface, set up the material loading conveyer belt that is used for conveying the PCB board to lifting unit department in board bottom one side, set up the ejection of compact conveyer belt that is used for shifting out the PCB board at machine bottom opposite side, the portable bottom at the board of connecting of lifting unit. The utility model discloses set up the lifting unit who is used for carrying the PCB board, can shift the PCB board that the material loading conveyer belt was carried and is come to board up end department and carry out quick detection to send the PCB board to ejection of compact conveyer belt and flow out after detecting the completion, the process of material loading, detection and ejection of compact has all realized the automation, and the testing process is quick accurate, has reduced the use of manpower, has improved work efficiency, has reduced manufacturing cost.

Description

PCB AOI device

Technical Field

The utility model relates to a PCB board production and processing technology field, concretely relates to PCB board AOI device.

Background

The PCB needs to be detected in the production and processing process, various different mounting errors or poor welding defects and the like on the PCB can be found as soon as possible, and the damaged PCB is prevented from being sent to the subsequent assembly stage. If the detection result is found in the subsequent process, the defect of batch property is easily caused, so that the economic loss is large, and the influence time is long. The conventional detection mode is generally manual visual detection, with the development of technology, an AOI device appears on the market at present, the full name of AOI (automatic optical inspection) is automatic optical detection, the AOI device is a device for detecting product defects based on an optical principle, and the AOI device is commonly used for detecting common defects encountered in the processes of PCB welding and the like in the production and processing of PCB boards. Most of the existing AOI devices are semi-automatic detection, break away from a production line and need manual feeding and discharging, so that the labor intensity is high, the efficiency is low, along with the continuous development of electronic products, the demand of the market on PCB boards is also larger and larger, and the demand can not be met by the mode.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an automatic go up unloading, and carry out automated inspection's PCB board AOI device to the PCB board.

The utility model discloses a following scheme realizes:

a PCB AOI device comprises a machine table, a moving assembly arranged above the machine table, a detection assembly arranged on the moving assembly and used for detecting a PCB, a lifting assembly arranged on the bottom surface of the machine table and used for carrying the PCB, a feeding conveying belt arranged on one side of the bottom of the machine table and used for conveying the PCB to the lifting assembly, and a discharging conveying belt arranged on the other side of the bottom of the machine table and used for moving the PCB out, wherein the lifting assembly is movably connected to the bottom of the machine table; the lifting assembly comprises a supporting frame movably connected to the bottom surface of the machine table, a lifting cylinder arranged on the supporting frame, and a platform arranged at the tail end of the lifting cylinder and used for bearing the PCB, wherein a lead screw is connected to the supporting frame and driven by a lead screw motor fixed at the bottom of the machine table to rotate; defining one side where the feeding conveying belt is located as a left side, one side where the discharging conveying belt is located as a right side, and arranging the screw rod along the left-right direction; the machine platform is provided with an opening for the platform to pass through at the position corresponding to the platform.

Further, the detection assembly comprises a connecting plate connected with the moving assembly, a visual sensor arranged on the connecting plate and used for detecting the PCB, and an illuminating lamp arranged on the connecting plate.

Furthermore, the moving assembly comprises a first Y-axis guide rail and a second Y-axis guide rail which are arranged on the left side and the right side of the upper end face of the machine table in parallel, an X-axis base plate movably connected to the first Y-axis guide rail and the second Y-axis guide rail, and an X-axis guide rail arranged on the X-axis base plate, wherein the connecting plate of the detection assembly is movably connected to the X-axis guide rail.

Furthermore, one end of the X-axis substrate, which is close to the second Y-axis guide rail, is provided with a Y-axis motor which drives the X-axis substrate to move along the first Y-axis guide rail and the second Y-axis guide rail, and the connecting plate is provided with an X-axis motor which is used for driving the connecting plate to move along the X-axis guide rail.

Furthermore, a feeding roller group used for moving the PCB to the discharging conveyor belt is arranged on the support frame, the feeding roller group is positioned below the platform, and a through hole for the feeding roller group to pass through is arranged at the position of the platform corresponding to the feeding roller group; the feeding roller group is driven by a roller motor arranged on the support frame to rotate.

Furthermore, the bottom of the machine table is provided with a guide rod parallel to the lead screw, and the support frame is movably connected with the guide rod.

Furthermore, a first clamping cylinder and a second clamping cylinder which correspond to each other and are used for fixing the PCB are arranged on the machine table.

Furthermore, the support frame is movably connected to the bottom surface of the machine table through a bottom guide rail arranged on the bottom surface of the machine table.

Furthermore, a display screen for displaying the detection parameters is arranged on the machine table.

Contrast prior art, the utility model discloses following beneficial effect has:

the utility model discloses set up the lifting unit who is used for carrying the PCB board, can shift the PCB board that the material loading conveyer belt was carried and is come to board up end department and carry out quick detection to send the PCB board to ejection of compact conveyer belt and flow out after detecting the completion, the process of material loading, detection and ejection of compact has all realized the automation, and the testing process is quick accurate, has reduced the use of manpower, has improved work efficiency, has reduced manufacturing cost.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a PCB AOI device provided in the present invention.

Fig. 2 is a schematic view of another angle in this embodiment, in which the structures of the feeding conveyor belt, the screw motor, the display screen, and the like are hidden.

Detailed Description

To facilitate understanding of the present invention for those skilled in the art, the present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

Referring to fig. 1 to 2, the utility model provides a pair of PCB board AOI device includes board 1, the removal subassembly 2 of setting in the board top, the detection component 3 that is used for detecting the PCB board of setting on removing the subassembly, the lifting unit 4 that is used for carrying the PCB board of setting in the board bottom surface, the material loading conveyer belt 5 that is used for conveying the PCB board to lifting unit department that sets up in board 1 bottom one side, the ejection of compact conveyer belt 6 that is used for shifting out the PCB board that sets up at board bottom opposite side, 4 movable connection of lifting unit are in the bottom of board 1. The machine table 1 is provided with a first clamping cylinder 7 and a second clamping cylinder 8 which correspond to each other and are used for fixing the PCB. The machine table 1 is provided with a display screen 9 for displaying detection parameters.

The lifting assembly 4 comprises a support frame 41 movably connected to the bottom surface of the machine table, a lifting cylinder 42 arranged on the support frame, and a platform 43 arranged at the tail end of the lifting cylinder and used for bearing the PCB, wherein a lead screw 44 is connected to the support frame, and the lead screw is driven by a lead screw motor 49 fixed to the bottom of the machine table to rotate. The left side is the side where the feeding conveyer belt 5 is located, the right side is the side where the discharging conveyer belt 6 is located, and the screw 44 is provided with an opening 11 for the platform to pass through at the position where the machine table 1 corresponds to the platform 43 along the left-right direction. Under the drive of the lifter, the platform can ascend into the opening, and the PCB placed on the platform is carried to the upper end surface of the machine table.

The inspection unit 3 includes a connection plate 31 connected to the moving unit 2, a vision sensor 32 provided on the connection plate for inspecting the PCB, and an illumination lamp 33 provided on the connection plate. In this embodiment, the vision sensor employs a camera. During specific implementation, the periphery of the camera can be provided with a circle of light source (such as an LED lamp) so as to achieve a better lighting effect. The bottom of the machine table 1 is provided with a guide rod 48 parallel to the screw 44, and the support frame 41 is movably connected with the guide rod. The support frame specifically includes many vertical support columns of connecting on board ground to and connect the backup pad in the support column bottom, be provided with the connection firmware on the support column, the support frame is through this connection firmware and guide bar swing joint. The supporting frame 41 is movably connected to the bottom surface of the machine table by a bottom guide rail 12 arranged on the bottom surface of the machine table 1, and the bottom guide rail is arranged along the left-right direction. Under the drive of the screw motor, the support frame can move along the left and right directions.

The moving assembly 2 comprises a first Y-axis guide rail 21 and a second Y-axis guide rail 22 which are arranged on the left side and the right side of the upper end face of the machine table in parallel, an X-axis substrate 23 movably connected to the first Y-axis guide rail and the second Y-axis guide rail, an X-axis guide rail 24 arranged on the X-axis substrate, and a connecting plate 31 of the detection assembly 3 is movably connected to the X-axis guide rail. The two Y-axis guide rails can be fixed on the base platform through supporting legs. One end of the X-axis substrate 23 close to the second Y-axis guide rail 22 is provided with a Y-axis motor for driving the X-axis substrate to move along the first Y-axis guide rail 21 and the second Y-axis guide rail 22, and the connecting plate 31 is provided with an X-axis motor 25 for driving the connecting plate to move along the X-axis guide rail 24. The detection assembly is movable in the XY directions by the drive of the X-axis motor and the Y-axis motor 26.

The supporting frame 41 is provided with a feeding roller group 45 for moving the PCB to the discharging conveyor belt 6, the feeding roller group is located below the platform 43, and the platform is provided with a through hole 46 for the feeding roller group to pass through at a position corresponding to the feeding roller group. The feeding roller group is driven by a roller motor 47 arranged on the supporting frame to rotate. The roller motor is specifically arranged on the upper end face of the supporting plate of the supporting frame, and the feeding roller group is connected with the rotating shaft of the roller motor. After the PCB detection is completed, the platform moves downwards under the drive of the lifting cylinder, the feeding roller group contacts the PCB, and the feeding roller group sends the PCB to the discharging conveyor belt under the drive of the roller motor.

When the device is implemented specifically, all the parts are connected with the corresponding guide rails through the sliding blocks. During operation, the lifting assembly is initially positioned on the left side, the PCB enters the platform under the action of the feeding conveyer belt, then the lifting cylinder lifts the PCB to the upper end face of the machine table, and the first clamping cylinder and the second clamping cylinder clamp the PCB tightly. And then the vision sensor moves along the designed route under the driving of the moving assembly, detects all parts of the PCB, and displays the result on a display screen. After detection is finished, the lifting cylinder resets, the screw motor is started, the lifting assembly moves towards the right side, the discharging roller group enters the through hole to be in contact with the bottom surface of the PCB, the PCB is moved onto the discharging conveyor belt to be conveyed out, and a detection period is completed. And the staff carries out subsequent operation according to the detection result. During specific implementation, the sorting material channel can be additionally arranged on the discharging conveying belt, and unqualified products are sorted out.

The utility model discloses set up the lifting unit who is used for carrying the PCB board, can shift the PCB board that the material loading conveyer belt was carried and is come to board up end department and carry out quick detection to send the PCB board to ejection of compact conveyer belt and flow out after detecting the completion, the process of material loading, detection and ejection of compact has all realized the automation, has reduced the use of manpower, has avoided the maloperation that the manual work probably leads to, has improved work efficiency, has reduced manufacturing cost.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the scope of the included claims.

Claims

1. The PCB AOI device is characterized by comprising a machine table (1), a moving assembly (2) arranged above the machine table, a detection assembly (3) arranged on the moving assembly and used for detecting a PCB, a lifting assembly (4) arranged on the bottom surface of the machine table and used for carrying the PCB, a feeding conveying belt (5) arranged on one side of the bottom of the machine table (1) and used for conveying the PCB to the lifting assembly, and a discharging conveying belt (6) arranged on the other side of the bottom of the machine table and used for moving the PCB out, wherein the lifting assembly (4) is movably connected to the bottom of the machine table (1); the lifting assembly (4) comprises a supporting frame (41) movably connected to the bottom surface of the machine table, a lifting cylinder (42) arranged on the supporting frame, and a platform (43) arranged at the tail end of the lifting cylinder and used for bearing the PCB, wherein a lead screw (44) is connected to the supporting frame and driven by a lead screw motor (49) fixed to the bottom of the machine table to rotate; defining one side where the feeding conveying belt (5) is located as a left side, one side where the discharging conveying belt (6) is located as a right side, and arranging the screw rod (44) along the left-right direction; an opening (11) for the platform to pass through is arranged at the position of the machine table (1) corresponding to the platform (43).

2. PCB AOI device according to claim 1, characterized in that the detection assembly (3) comprises a connection board (31) connected to the moving assembly (2), a visual sensor (32) arranged on the connection board for detecting the PCB, and an illumination lamp (33) arranged on the connection board.

3. The PCB AOI device according to claim 2, wherein the moving assembly (2) comprises a first Y-axis guide rail (21) and a second Y-axis guide rail (22) which are arranged in parallel at the left and right sides of the upper end surface of the machine table, an X-axis base plate (23) movably connected to the first Y-axis guide rail and the second Y-axis guide rail, an X-axis guide rail (24) arranged on the X-axis base plate, and a connecting plate (31) of the detection assembly (3) is movably connected to the X-axis guide rail.

4. The PCB AOI device according to claim 3, wherein one end of the X-axis substrate (23) close to the second Y-axis guide rail (22) is provided with a Y-axis motor (26) for driving the X-axis substrate to move along the first Y-axis guide rail (21) and the second Y-axis guide rail (22), and the connecting plate (31) is provided with an X-axis motor (25) for driving the connecting plate to move along the X-axis guide rail (24).

5. The PCB AOI device according to claim 1, wherein the support frame (41) is provided with a feeding roller group (45) for moving the PCB to the discharging conveyor belt (6), the feeding roller group is positioned below the platform (43), and the platform is provided with a through hole (46) for the feeding roller group to pass through at a position corresponding to the feeding roller group; the feeding roller group is driven by a roller motor (47) arranged on the support frame to rotate.

6. The PCB AOI device according to claim 1, wherein a guide rod (48) parallel to the screw rod (44) is arranged at the bottom of the machine table (1), and the support frame (41) is movably connected with the guide rod.

7. The PCB AOI device according to claim 1, wherein the machine table (1) is provided with a first clamping cylinder (7) and a second clamping cylinder (8) which are corresponding to each other and used for fixing the PCB.

8. The PCB AOI device according to claim 1, wherein the support frame (41) is movably connected to the bottom surface of the machine table through a bottom guide rail (12) arranged on the bottom surface of the machine table (1).

9. The PCB AOI device according to claim 1, wherein a display screen (9) for displaying detection parameters is arranged on the machine table (1).