CN214953126U

CN214953126U - Detection positioning device based on AOI detector

Info

Publication number: CN214953126U
Application number: CN202121198069.1U
Authority: CN
Inventors: 孔繁源
Original assignee: Hubei Zhongwei Xiehe Automation Equipment Technology Co ltd
Current assignee: Hubei Zhongwei Xiehe Automation Equipment Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-30
Anticipated expiration: 2031-05-31

Abstract

The utility model relates to a PCB board detects technical field, discloses a detect positioner based on AOI detector, including the detection head of both sides about support body, transport mechanism, the support body, transport mechanism is including setting up conveying motor, driving gear, a plurality of rolling gear on the support body, and the meshing has the transfer gear between a plurality of rolling gear, rotates between transfer gear and the support body and is connected with the dwang, rotates on the dwang to be provided with the conveying pad, and the transport mechanism below is provided with to lift the mechanism. The utility model has the advantages of it is following and effect: fix the PCB board on the conveying pad through lifting up the mechanism, can improve the detection definition and the detection stability of detecting the head to the conveying is filled up the blotter that is located both sides about the PCB board and is cushioned reciprocating of PCB board, can not lead to the fact the damage to the PCB board, can also alleviate the damage to the plate when having improved the detection stability type.

Description

Detection positioning device based on AOI detector

Technical Field

The utility model relates to a PCB board detects technical field, in particular to detect positioner based on AOI detector.

Background

The A0I inspection instrument is an apparatus that is based on optical principles to detect common defects encountered in welding production. A0I is a new emerging testing technique, but the development is rapid, and A0I testing equipment is introduced by many manufacturers. During automatic detection, the machine automatically scans the PCB through the camera, acquires images, compares the tested welding spots with qualified parameters in the database, inspects the defects on the PCB through image processing, and displays/marks the defects through a display or an automatic mark for repair personnel to repair.

Chinese utility model patent No. CN204154859U discloses a PCB detecting device, firstly, a PCB to be detected is put in, a turning block is rotated, the turning block is attached to a support plate through a limiting element, external force is applied to a battery box module, a probe block, a detecting probe and the battery box module move downwards together to complete the detection pressing state, at the moment, a second elastic element sleeved on a return handle is in a stretching state, a third elastic element at the bottom end of the probe block is in a compressing state, external force is applied to the return handle, the elastic element of the return handle is compressed, the probe block, the detecting probe and an electric measuring box module return to the original position under the action of a bearing and the third elastic element at the bottom end of the probe block, the device carries out capacity value PCB and positioning through a groove, only the detection of a single PCB can be realized, the mode can not realize the streamline detection of the PCB, and the consumed time and power in the detecting process, meanwhile, the PCB is easily damaged by the mode that the limiting element fixes and positions the periphery of the PCB in the detection process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a detection positioner based on AOI detector has the effect that improves detection stability, reduces and detects the error rate.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a detect positioner based on AOI detector, includes the support body, sets up transport mechanism, the setting of support body both sides are in the detection head of both sides about the support body forms transfer passage between two relative transport mechanism, transfer passage includes feed inlet and discharge gate, transport mechanism is including setting up conveying motor, setting on the support body are in driving gear, setting on the conveying motor are in a plurality of rolling gear parallel with PCB board direction of transfer on the support body, it is a plurality of the meshing has transfer gear between the rolling gear, transfer gear with rotate between the support body and be connected with the dwang, it is provided with the conveying pad to rotate on the dwang, the transport mechanism below is provided with lifts the mechanism.

The utility model discloses a further set up to: the lifting mechanism comprises a lifting plate arranged on the conveying pads, a plurality of lifting columns arranged below the lifting plate, a driving rod perpendicular to the lifting columns and movably inserted in the lifting columns, and a driving cylinder arranged at the end part of the driving rod.

The utility model discloses a further set up to: the driving device is provided with a plurality of inclined plane blocks, the lifting column is internally provided with a through hole, and the through hole is internally provided with an inclined notch which is contacted with the inclined plane block.

The utility model discloses a further set up to: the frame body is provided with a fixed sliding groove, and the driving mechanism is movably arranged in the fixed sliding groove.

The utility model discloses a further set up to: the lifting column is positioned at the lower side of the driving rod and is sleeved with a spring, and two ends of the spring are respectively connected with the lower end of the lifting column and the lower side of the fixed chute.

The utility model discloses a further set up to: the conveying pad comprises two buffer pads which are arranged on the rotating rod in a rotating mode and a lifting pad which is arranged below the buffer pads in a coaxial mode, a conveying gap is formed between the two buffer pads, the PCB is located in the conveying gap, the lifting pad is fixedly arranged on the frame body, and the lifting pad is located on the lifting pad.

The utility model discloses a further set up to: the rack body is provided with an inductor at the end part of the lifting plate, the inductor is electrically connected with the conveying motor, and the inductor controls the opening and closing of the conveying motor.

The utility model discloses a further set up to: the frame body is provided with a travel switch, the travel switch is in intermittent contact with the detection head, the travel switch is electrically connected with the driving cylinder, and the travel switch controls the forming switch to be opened and closed.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be provided with in transport mechanism below and lift the mechanism, the PCB board is because the instability of conveying in the data send process, the shake can take place in detecting the head and carrying out the testing process, the detection picture that leads to forming in the testing process has the deviation, the phenomenon that appears detecting unstably and detecting and makeing mistakes takes place, fix the PCB board on the conveying pad through lifting the mechanism, can improve the detection definition and the detection stability of detecting the head, and the blotter that lies in both sides about the PCB board in the conveying pad has cushioned reciprocating of PCB board, can not cause the damage to the PCB board, can also alleviate the damage to the plate when having improved the detection stable form.

2. The utility model discloses a rise and decline that lift the device and control the plate, drive actuating cylinder drive actuating lever and remove, the sloping piece on the actuating lever is inconsistent with the slope incision that lifts in the post, makes to lift the post and upwards raises, will lift board jack-up and further lift the board and upwards lift the PCB board and contact with the blotter to realize the stable function of PCB plate.

3. The utility model discloses having set up the spring lifting between post lower extreme and the fixed spout downside, lifting the in-process that the post descends, in order to avoid the part to lift the post and block or other reasons lead to lifting the phenomenon that the post can not descend smoothly takes place with fixed spout, the setting of spring can form compression state lifting the post after rising, lifting the in-process that the post need descend lifting, and the elasticity of compressed spring can drive and lift post downstream.

4. The utility model discloses a setting up of inductor and travel switch can realize lifting the automatic motion of mechanism, when the PCB board gets into to reach the discharge gate from the feed inlet, it promotes the actuating lever to one side to drive actuating cylinder, actuating lever end signal is sensed to the inductor, closing of inductor control conveying motor, conveyer stops, it detects from feed inlet department to detect the head, when detecting the head and moving discharge gate department and detecting the completion, it contacts with travel switch to detect the head, travel switch can control and drive actuating cylinder motion, the actuating lever returns and contracts, it descends to lift the post, the plate falls down, the inductor detects the actuating lever not, conveying motor motion, plate conveying to the discharge gate that will detect, this mode can realize lifting the automatic motion of mechanism, the detection efficiency who improves greatly.

Drawings

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

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the conveying mechanism of the present invention.

Fig. 3 is a partial structural diagram of a portion a in fig. 2.

Fig. 4 is the schematic diagram of the explosion structure of the lifting mechanism of the present invention.

In the figure, 1, a frame body; 2. a transport mechanism; 21. a transfer motor; 22. a driving gear; 23. a rotating gear; 24. a transmission gear; 25. rotating the rod; 26. a transfer pad; 261. a cushion pad; 262. lifting the pad; 263. a transfer gap; 3. a detection head; 4. a transfer channel; 41. a feed inlet; 42. a discharge port; 5. a lifting mechanism; 51. lifting the plate; 52. lifting the column; 521. a through hole; 522. an oblique cut; 53. a drive rod; 531. a bevel block; 54. a driving cylinder; 55. a spring; 56. fixing the chute; 6. an inductor; 7. a travel switch; 8. and (7) a PCB board.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the embodiment, as shown in fig. 1 and 2, a detection positioning device based on an AOI detector comprises a frame body 1 and a conveying mechanism 2 arranged at two sides of the frame body 1, wherein a conveying channel 4 comprises a feeding port 41 and a discharging port 42, and detection heads 3 arranged at the upper side and the lower side of the frame body 1, the detection heads 3 at the upper side and the lower side can simultaneously detect the front side and the back side of a PCB 8, so that the detection efficiency is greatly improved, a lifting mechanism 5 is arranged below the conveying mechanism 2, an inductor 6 is arranged at the end part of a lifting plate 51 on the frame body 1, the inductor 6 is electrically connected with a conveying motor 21, the inductor 6 controls the on-off of the conveying motor 21, a travel switch 7 is arranged on the frame body 1, the travel switch 7 is in intermittent contact with the detection heads 3, the travel switch 7 is electrically connected with a driving cylinder 54, the travel switch 7 controls the on-off of the travel switch 7, when the PCB 8 enters the discharging port 42 from the feeding port 41, drive actuating cylinder 54 and promote actuating lever 53 to one side, sensor 6 senses actuating lever 53 end signal, closing of sensor 6 control conveying motor 21, conveyer stops, it begins to detect head 3 from feed inlet 41, when detecting head 3 and moving discharge gate 42 and detecting when accomplishing, it contacts with travel switch 7 to detect head 3, travel switch 7 can control and drive actuating cylinder 54 and move, actuating lever 53 returns and contracts, it descends to lift post 52, the plate falls down, sensor 6 can not detect actuating lever 53, conveying motor 21 moves, the plate that will detect conveys to discharge gate 42, this mode can realize lifting the automatic motion of mechanism 5, the detection efficiency who improves greatly.

As shown in fig. 2 and 3, the transmission mechanism 2 includes a transmission motor 21 disposed on the vertical frame 1, a driving gear 22 disposed on the transmission motor 21, and a plurality of rotating gears 23 disposed on the frame 1 and parallel to the transmission direction of the PCB 8, the driving gear 22 is engaged with the rotating gears 23 at the end of the frame 1, a transmission gear 24 is engaged between the plurality of rotating gears 23, a rotating rod 25 is rotatably connected between the transmission gear 24 and the frame 1, two buffer pads 261 are fixedly connected to the rotating rod 25, a transmission gap 263 is formed between the two buffer pads 261, the PCB 8 is disposed in the two opposite transmission gaps 263, a lifting pad 262 is coaxially disposed below the buffer pad 261, the lower portion of the lifting pad 262 is fixedly connected to the frame 1,

as shown in fig. 3 and 4, the lifting mechanism 5 includes a lifting plate 51 disposed on a plurality of lifting pads 262, a fixed sliding slot 56 is disposed on the frame body 1 below the lifting plate 51, a driving rod 53 is movably disposed in the fixed sliding slot 56, a plurality of inclined blocks are disposed on the driving rod 53, a lifting column 52 is disposed at the inclined blocks and perpendicular to the driving rod 53, the driving rod 53 is movably inserted into a through hole 521 of the plurality of lifting columns 52, an inclined notch 522 contacting with the inclined blocks is disposed in the through hole 521, a driving cylinder 54 is disposed at an end of the driving rod 53, a lower end of the lifting column 52 is connected with a lower side of the fixed sliding slot 56 through a spring 55, the driving cylinder 54 drives the driving rod 53 to move left and right, the inclined blocks on the driving rod 53 contact with the inclined notch 522 in the lifting column 52 to cause the lifting column 52 to lift upwards, the lifting plate 51 is lifted up to further the lifting plate 51 to lift the PCB 8 to contact with the cushion 261, therefore, the stable function of the PCB 8 is realized, in the process of descending the lifting column 52, in order to avoid the phenomenon that the lifting column 52 cannot descend smoothly due to the fact that part of the lifting column 52 is clamped with the fixed chute 56 or other reasons, the spring 55 is arranged to be in a compressed state after the lifting column 52 ascends, in the process of descending the lifting column 52, the lifting column 52 is driven by the elastic force of the compressed spring 55 to move downwards to be separated from the lifting plate 51, and the PCB 8 descends.

A working principle of a detection positioning device based on an AOI detector is as follows: when the PCB 8 enters from the feed port 41 and reaches the discharge port 42, the driving cylinder 54 pushes the driving rod 53 to one side, the inclined block on the driving rod 53 is separated from the casting of the inclined notch 522 in the lifting column 52, the lifting column 52 is lifted, the lifting plate 51 is jacked up, so that the PCB 8 is contacted with the buffer pad 261 to realize the fixing function, the sensor 6 senses the end signal of the driving rod 53, the sensor 6 controls the transmission motor 21 to be closed, the transmission device stops, the detection head 3 starts to detect from the feed port 41, when the detection head 3 moves to the discharge port 42 to finish the detection, the detection head 3 is contacted with the travel switch 7, the travel switch 7 controls the driving cylinder 54 to move, the driving rod 53 retracts, the lifting column 52 descends, the plate falls, the sensor 6 cannot detect the end signal of the driving rod 53, the transmission motor 21 moves, and the detected plate is transmitted to the discharge port 42, the detection of the single batch of PCB boards 8 is completed, the automatic movement of the lifting mechanism 5 can be realized by the mode, and the detection efficiency is greatly improved.

Claims

1. The utility model provides a detect positioner based on AOI detector which characterized in that: comprises a frame body (1), conveying mechanisms (2) arranged on two sides of the frame body (1), detection heads (3) arranged on the upper side and the lower side of the frame body (1), a conveying channel (4) formed between the two conveying mechanisms (2), the conveying channel (4) comprises a feeding hole (41) and a discharging hole (42), the conveying mechanisms (2) comprise conveying motors (21) arranged on the frame body (1), driving gears (22) arranged on the conveying motors (21), and a plurality of rotating gears (23) arranged on the frame body (1) and parallel to the conveying direction of a PCB (8), the conveying gears (24) are meshed between the rotating gears (23), the conveying gears (24) are rotatably connected with a rotating rod (25) between the frame body (1), and conveying pads (26) are rotatably arranged on the rotating rod (25), and a lifting mechanism (5) is arranged below the conveying mechanism (2).

2. The AOI detector-based detection positioning device according to claim 1, wherein: the lifting mechanism (5) comprises a lifting plate (51) arranged on the conveying pads (26), a plurality of lifting columns (52) arranged below the lifting plate (51), a driving rod (53) which is perpendicular to the lifting columns (52) and is movably inserted into the lifting columns (52), and a driving cylinder (54) arranged at the end part of the driving rod (53).

3. The AOI detector-based detection positioning device according to claim 2, wherein: the driving rod (53) is provided with a plurality of inclined plane blocks (531), the lifting column (52) is internally provided with a through hole (521), and the through hole (521) is internally provided with an inclined notch (522) contacted with the inclined plane block.

4. The AOI detector-based detection positioning device according to claim 2, wherein: the frame body (1) is provided with a fixed sliding groove (56), and the driving rod (53) is movably arranged in the fixed sliding groove (56).

5. The AOI detector-based detection positioning device according to claim 4, wherein: the lifting column (52) is positioned at the lower side of the driving rod (53) and is sleeved with a spring (55), and two ends of the spring (55) are respectively connected with the lower end of the lifting column (52) and the lower side of the fixed sliding chute (56).

6. The AOI detector-based detection positioning device according to claim 2, wherein: the conveying pad (26) comprises two buffer pads (261) arranged on the rotating rod (25) and a lifting pad (262) coaxially arranged below the buffer pads (261), a conveying gap (263) is formed between the two buffer pads (261), the PCB (8) is located in the conveying gap (263), the lifting pad (262) is fixedly arranged on the frame body (1), and the lifting plate (51) is located on the lifting pad (262).

7. The AOI detector-based detection positioning device according to claim 2, wherein: the lifting device is characterized in that an inductor (6) is arranged at the end part of the lifting plate (51) on the frame body (1), the inductor (6) is electrically connected with the conveying motor (21), and the inductor (6) controls the opening and closing of the conveying motor (21).

8. The AOI detector-based detection positioning device according to claim 2, wherein: the frame body (1) is provided with a travel switch (7), the travel switch (7) is in intermittent contact with the detection head (3), the travel switch (7) is electrically connected with the driving cylinder (54), and the travel switch (7) controls the driving cylinder (54) to be opened and closed.