CN210514123U

CN210514123U - Three-dimensional AOI detects machine

Info

Publication number: CN210514123U
Application number: CN201921559031.5U
Authority: CN
Inventors: 唐志国
Original assignee: Chongqing Qingtu Opto Electrical Co ltd
Current assignee: Chongqing Qingtu Opto Electrical Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-05-12
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a three-dimensional AOI detects machine, including the transmission band, it is parallel to be provided with fixed blend stop and activity blend stop along transmission band width direction, form the transmission channel that supplies the product that awaits measuring to pass through between fixed blend stop and the activity blend stop, set up response subassembly on the transmission channel, it is provided with the detection zone to be close to response subassembly, the product that awaits measuring makes it stop on the detection zone through response subassembly, it is provided with six arms to be close to the detection zone, the end of six arms is provided with CCD camera and laser pen in parallel, the CCD camera passes through anchor clamps and can dismantle with the arm and be connected, the laser pen passes through the light source mount pad and can dismantle. The utility model discloses a three-dimensional AOI detects quick-witted detection range is bigger, can avoid detecting the dead angle simultaneously.

Description

Three-dimensional AOI detects machine

Technical Field

The utility model relates to a technical field that machine part detected especially relates to a three-dimensional AOI detects machine.

Background

The rising of the AOI (automatic optical inspection) detection technology greatly reduces the labor cost in the detection field, especially the SMT detection field, and simultaneously greatly improves the product percent of pass and the production efficiency. At present, 2D AOI still dominates in the field of full-automatic optical detection, the 2D AOI is equipment for detecting common defects encountered in welding production based on an optical principle, a machine automatically scans a PCB (printed Circuit Board) through a camera, acquires images, compares tested welding spots with qualified parameters in a database, inspects the defects on the PCB through image processing, and displays the defects through a display or an automatic mark for repair of maintenance personnel.

Chinese patent CN206321574U discloses an AOI plug-in detecting equipment, which realizes the detection of the defects of the PCB board through the detecting device arranged in the box, and adjusts the distance between the detecting device and the PCB board card adaptively through the lifting device, so as to ensure that the detecting device can clearly detect the overall or local characteristics of the PCB board card all the time. However, because this AOI plug-in detection device can not remove in the XY plane, can have some dead angles that can't be detected when detection device detects, this kind of mode is to the perpendicular detection of floating height and the bad detection of rosin joint that is sheltered from can't cover completely, in addition, because this AOI plug-in detection equipment's detection range is limited, consequently has higher requirement to the position of placing of PCB board, and when the size of PCB board is great, detection range can not cover monoblock PCB board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detection range is bigger, can avoid detecting the three-dimensional AOI at dead angle simultaneously and detect the machine.

For realizing the above-mentioned purpose, the utility model provides a three-dimensional AOI detects machine, including the transmission band, follow transmission band width direction is parallel to be provided with fixed blend stop and activity blend stop, fixed blend stop with form the transmission path that supplies the product of awaiting measuring to pass through between the activity blend stop, set up the response subassembly on the transmission path, be close to the response subassembly is provided with the detection zone, and the product of awaiting measuring passes through the response subassembly makes it stop on the detection zone, is close to the detection zone is provided with six arms, the end of six arms is provided with CCD camera and laser pen in parallel, the CCD camera pass through anchor clamps with the connection can be dismantled to the arm, the laser pen pass through the light source mount pad with the connection can be dismantled to the arm.

The laser pen comprises a light source mounting seat, a laser pen body, a limiting plate, a mounting hole, a limiting groove and a light source, wherein the limiting plate is arranged at the tail of the laser pen body, the mounting hole is formed in a boss of the light source mounting seat, and the edge of the mounting hole corresponds to the limiting plate and is provided with the limiting groove.

The number of the limiting plates is two, the two limiting plates are arranged oppositely, and the number of the limiting grooves corresponding to the limiting plates is also two.

The base of six arms with be provided with the mounting panel between the activity blend stop, the both ends of mounting panel are parallelly set up two horizontal spouts, every horizontal spout is embedded respectively at the both ends of activity blend stop, and follows horizontal spout reciprocating sliding.

Wherein, response subassembly is including setting up relatively fixed shelves strip with two supporting seats on the mounting panel, two it has a baffle to articulate through the pivot between the supporting seat, the one end of pivot is outwards extended to be connected to angle sensor, the product that awaits measuring is through touching the baffle makes it stop in the detection zone.

And a transmission belt starting and stopping device is respectively arranged corresponding to the shooting area of the first CCD camera and the shooting area of the second CCD camera.

Wherein, the transmission band passes through servo motor drive.

The utility model discloses a three-dimensional AOI detection machine, according to the PCB board specification of batch production, adjust the interval of activity blend stop and fixed blend stop, in order to adapt to the size of PCB board, when using, put into between fixed blend stop and the activity blend stop from the input of transmission band with the product to be measured, PCB board is along the transmission channel displacement that forms between fixed blend stop and the activity blend stop under the effect of transmission band, and be close to the detection zone gradually, when the product to be measured is detected to the response subassembly, the response subassembly transmits the information data that detects to the external control ware, the external control ware control transmission band stops the transportation, PCB board stops in the detection zone, at this moment, six arms carry out a series of actions according to the position that sets for in advance in the controller, the laser pen gives the light simultaneously, CCD camera shoots each position of PCB board one by one and gets the picture, after CCD camera shoots, the transmission band restarts, and discharging the PCB from the output end of the transmission belt to the next process. After the shot images are processed by a subsequent processor, the defects on the PCB to be detected can be accurately detected.

Compared with the prior art, the beneficial effects of the utility model are that: by arranging the fixed stop bars and the movable stop bars, transmission channels with different widths can be customized according to the specifications of mass-produced PCBs, the PCBs can be conveniently positioned during feeding, and meanwhile, each PCB can stay on a detection area under the action of the induction assembly, so that the early-stage training of the six-axis mechanical arm is facilitated, the detection consistency is further ensured, and meanwhile, the position range of the CCD camera and the laser pen for adjusting the six-axis mechanical arm is larger, so that the range of image shooting and taking of the CCD camera is enough to completely cover the whole PCBs; in addition, because the horizontal position, height and the angle of CCD camera and laser pen can diversely be adjusted to six arms, consequently can avoid appearing the dead angle that can't detect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a perspective view of the three-dimensional AOI inspection machine of the present invention.

Fig. 2 is a top view of the three-dimensional AOI inspection machine of the present invention.

Fig. 3 is a schematic structural diagram of the laser pen of the present invention.

The device comprises a transmission belt 1, a detection area 2, a six-axis mechanical arm 3, a CCD camera 4, a laser pen 5, a clamp 6, a light source mounting seat 7, a limiting plate 9, a mounting hole 10, a limiting groove 11, a fixed stop bar 12, a movable stop bar 13, a mounting plate 14, a horizontal sliding groove 15, an induction component 16, a supporting seat 17, a baffle 18, an angle sensor 19 and a servo motor 20.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a three-dimensional AOI detects machine, includes transmission band 1, follows 1 width direction of transmission band is provided with fixed blend stop and activity blend stop in parallel, fixed blend stop 12 with form the transmission path that supplies the product of awaiting measuring to pass through between the activity blend stop, set up response subassembly 16 on the transmission path, be close to response subassembly 16 is provided with detection zone 2, and the product of awaiting measuring passes through response subassembly 16 makes it stop on detection zone 2, is close to detection zone 2 is provided with six arms 3, the end of six arms 3 is provided with CCD camera 4 and laser pen 5 in parallel, CCD camera 4 through anchor clamps 6 with the connection can be dismantled to the arm, laser pen 5 through light source mount pad 7 with the connection can be dismantled to the arm.

In the embodiment, according to the specification of mass-produced PCB boards, the distance between the movable barrier strips and the fixed barrier strips 12 is adjusted to adapt to the size of the PCB boards, when the device is used, a product to be detected is put between the fixed barrier strips 12 and the movable barrier strips 13 from the input end of the transmission belt 1, the PCB boards are displaced along the transmission channel formed between the fixed barrier strips 12 and the movable barrier strips 13 under the action of the transmission belt 1 and gradually approach the detection area 2, when the product to be detected is detected by the sensing assembly 16, the sensing assembly 16 transmits the detected information data to the external controller, the external controller controls the transmission belt 1 to stop transportation, the PCB boards stay in the detection area 2, at the moment, the six-axis mechanical arm 3 performs a series of actions according to the preset position in the controller, the laser pen 5 gives light, the CCD camera 4 shoots and picks up images of each position of the PCB board one by one, and after the CCD camera 4 finishes shooting, the conveyor belt 1 is restarted, and the PCB board is discharged from the output end of the conveyor belt 1 to the next process. After the shot images are processed by a subsequent processor, the defects on the PCB to be detected can be accurately detected. The detection machine is provided with the fixed stop bars 12 and the movable stop bars 13, transmission channels with different widths can be customized according to specifications of mass-produced PCBs, the PCBs can be conveniently positioned during feeding, each PCB stays on the detection area 2 under the action of the induction component 16, early-stage training of the six-axis mechanical arm 3 is facilitated, detection consistency is further guaranteed, and meanwhile, due to the fact that the position range of the six-axis mechanical arm 3 for adjusting the CCD camera 4 and the laser pen 5 is larger, the range of image shooting and taking of the CCD camera 4 is enough to completely cover the whole PCB; in addition, because the horizontal position, height and angle of CCD camera 4 and laser pen 5 can diversely be adjusted to six arms 3, consequently can avoid appearing the dead angle that can't detect.

Referring to fig. 3, further, a limiting plate 9 is disposed at the tail of the laser pen 5, a mounting hole 10 is formed on a boss of the light source mounting base 7, and a limiting groove 11 is formed at the edge of the mounting hole 10 corresponding to the limiting plate 9.

In this embodiment, the laser pen 5 passes through the limiting plate 9 joint in mounting hole 10 for the dismouting of laser pen 5 is more convenient.

Furthermore, the number of the limiting plates 9 is two, and the two limiting plates are arranged oppositely, and the number of the limiting grooves 11 corresponding to the limiting plates 9 is also two.

Referring to fig. 1 and 2, further, an installation plate 14 is disposed between the base of the six-axis mechanical arm 3 and the movable barrier 13, two horizontal sliding slots 15 are disposed at two ends of the installation plate 14 in parallel, and two ends of the movable barrier are respectively embedded into each horizontal sliding slot 15 and slide back and forth along the horizontal sliding slots 15.

In this embodiment, when adjusting the interval between the movable barrier 13 and the fixed barrier, the movable barrier can slide to the size of the PCB board along the horizontal sliding groove 15, and the sliding groove has a certain length, so that the movable barrier 13 has a certain adjusting range to adapt to the PCB boards of various specifications.

Further, response subassembly 16 is including setting up relatively fixed blend stop 12 with two supporting seats 17 on the mounting panel 14, two it has a baffle 18 to articulate through the pivot between the supporting seat 17, the one end of pivot is outwards extended to be connected with angle sensor 19, and the product that awaits measuring makes it stop in detection zone 2 through the touching baffle 18.

In this embodiment, the injection molding piece that awaits measuring moves along with the operation of transmission band 1 to gradually with the separation blade contact, because the separation blade articulates between two supporting seats 17 through the pivot, consequently under the touching of the PCB board that awaits measuring, the separation blade rotates for supporting seat 17, at this moment, angle sensor 19 detects the separation blade and changes for the angle of supporting seat 17, and data transmission to in subsequent controller, controller control transmission band 1 operation of pausing, after the time of presetting pausing, controller control transmission band 1 operates once more. Through setting up response subassembly 16, the stop position of the PCB board that can be awaited measuring of control that can be accurate is favorable to follow-up detection, and need not manual operation, therefore degree of automation is higher.

Further, the conveyor belt 1 is driven by a servo motor 20. The accuracy of driving the conveyor belt 1 by the servo motor 20 is higher.

Claims

1. The utility model provides a three-dimensional AOI detects machine, its characterized in that, includes the transmission band, follows transmission band width direction is parallel to be provided with fixed blend stop and activity blend stop, fixed blend stop with form the transmission path that supplies the product that awaits measuring to pass through between the activity blend stop, set up response subassembly on the transmission path, be close to response subassembly is provided with the detection zone, and the product that awaits measuring passes through response subassembly makes it stop on the detection zone, is close to the detection zone is provided with six arms, the end of six arms is provided with CCD camera and laser pen in parallel, the CCD camera pass through anchor clamps with the arm can be dismantled and connect, the laser pen pass through the light source mount pad with the connection can be dismantled to the arm.

2. The detector according to claim 1, wherein a limiting plate is disposed at the tail of the laser pen, a mounting hole is formed on the boss of the light source mounting seat, and a limiting groove is formed at the edge of the mounting hole corresponding to the limiting plate.

3. The detecting machine according to claim 2, wherein the number of the limiting plates is two, and the two limiting grooves are oppositely arranged, and the number of the limiting grooves corresponding to the limiting plates is also two.

4. The detecting machine according to claim 1, wherein a mounting plate is arranged between the base of the six-axis mechanical arm and the movable barrier strip, two horizontal sliding grooves are arranged at two ends of the mounting plate in parallel, and two ends of the movable barrier strip are respectively embedded into each horizontal sliding groove and slide back and forth along the horizontal sliding grooves.

5. The detecting machine according to claim 4, wherein said sensing assembly includes two supporting seats oppositely disposed on said fixed stop bar and said mounting plate, a baffle is hinged between said two supporting seats via a rotating shaft, one end of said rotating shaft extends outwards and is connected to an angle sensor, and a product to be detected is stopped in the detecting area by touching said baffle.

6. The testing machine as claimed in any one of claims 1 to 5, wherein said conveyor belt is driven by a servo motor.