CN212703074U - Detection mechanism for printed circuit board - Google Patents

Detection mechanism for printed circuit board Download PDF

Info

Publication number
CN212703074U
CN212703074U CN202020793637.1U CN202020793637U CN212703074U CN 212703074 U CN212703074 U CN 212703074U CN 202020793637 U CN202020793637 U CN 202020793637U CN 212703074 U CN212703074 U CN 212703074U
Authority
CN
China
Prior art keywords
circuit board
printed circuit
detection
detection device
base plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020793637.1U
Other languages
Chinese (zh)
Inventor
林枫
杜元伟
艾东
黄苏艳
陈正伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wenzhou Ruihao Electronics Co ltd
Original Assignee
Wenzhou Ruihao Electronics Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wenzhou Ruihao Electronics Co ltd filed Critical Wenzhou Ruihao Electronics Co ltd
Priority to CN202020793637.1U priority Critical patent/CN212703074U/en
Application granted granted Critical
Publication of CN212703074U publication Critical patent/CN212703074U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

A detection mechanism for a printed circuit board comprises a detection device for detecting the printed circuit board, a detection area to be detected for placing the printed circuit board to be detected, a detection completion area for placing the printed circuit board to be detected and a transportation device for transporting the printed circuit board from the detection area to a station of the detection device and then to the detection completion area, wherein the detection device comprises an alignment detection device for checking whether the hole site of the printed circuit board is accurate and a circuit detection device for detecting the circuit integrity of the printed circuit board, the alignment detection device comprises a base plate, a plurality of electrified metal pins fixedly connected with the base plate, a lifting plate for enabling the base plate to slide in the vertical direction and a servo motor for providing power for the lifting of the base plate, and the position of the base plate corresponds to the detection area, the position arrangement of the electrified metal needles corresponds to the position of a qualified hole on the printed circuit board, and the circuit detection device is electrically connected with the base plate.

Description

Detection mechanism for printed circuit board
Technical Field
The utility model relates to a circuit board check out test set field especially relates to a detection mechanism for printed circuit board.
Background
With the continuous development of the technological level, the application of the circuit board in the electronic product is more and more, the circuit board belongs to the precision product, the circuit detection is needed before the circuit board is put into use, the common detection method is to detect through a high-speed flying probe machine, the high-speed flying probe machine is an instrument for testing the printed circuit board with high element arrangement density, multiple layers, large wiring density and small distance of detection points, the insulation and conduction values of the circuit board are mainly tested, the tester generally adopts a 'true value comparison positioning method', the real-time monitoring can be carried out on the test process and fault points, the test accuracy is ensured, the detection method can detect various printed circuit boards, but has obvious defects, because the detection points on the printed circuit board are numerous, a large number of circuit combination modes are provided, the detection time of the high-speed flying probe machine on one printed circuit board is longer, efficiency is lower, in addition, because in the actual production process, the amount of production to single printed circuit board is very big usually, consequently, can set up a fixed flying probe combination to single printed circuit board, just can realize quick detection, but, need optimize the feeding in the testing process, ejection of compact work improves detection efficiency.
Disclosure of Invention
In order to solve the problem, the utility model provides a can be automatic, the high efficiency carries out the detection mechanism who is used for printed circuit board that detects to printed circuit board.
The technical scheme of the utility model: a detection mechanism for a printed circuit board comprises a detection device for detecting the printed circuit board, a detection area to be detected for placing the printed circuit board to be detected, a detection completion area for placing the printed circuit board to be detected and a transportation device for transporting the printed circuit board from the detection area to a station of the detection device and then to the detection completion area, wherein the detection device comprises an alignment detection device for checking whether the hole site of the printed circuit board is accurate and a circuit detection device for detecting the circuit integrity of the printed circuit board, the alignment detection device comprises a base plate, a plurality of electrified metal pins fixedly connected with the base plate, a lifting plate for enabling the base plate to slide in the vertical direction and a servo motor for providing power for the lifting of the base plate, and the position of the base plate corresponds to the detection area, the position arrangement of the electrified metal needles corresponds to the position of a qualified hole on the printed circuit board, and the circuit detection device is electrically connected with the base plate.
By adopting the technical scheme, firstly, the printed circuit board to be detected is clamped from the area to be detected to a station of the detection area by the conveying device, then the base plate is driven by the servo motor to vertically move downwards, if the electrified metal needles can not be completely inserted into the hole sites of the printed circuit board, the printed circuit board is unqualified, the conveying device conveys the printed circuit board to the unqualified placement area in the detection completion area, if the electrified metal needles can be completely inserted, the printed circuit board is qualified, then the circuit integrity of the printed circuit board is detected by the circuit detection device, after the printed circuit board is qualified by the circuit detection device, the conveying device conveys the printed circuit board to the qualified placement area in the detection completion area, thus the automatic and high-efficiency detection function of the printed circuit board can be realized, compared with the traditional high-speed flying needle machine detection, the detection speed is greatly improved.
The utility model discloses a further setting: the conveying device comprises a vacuum chuck for clamping the printed circuit board, a pressure pump for providing power for the vacuum chuck, a connecting rod fixedly connected to the vacuum chuck, a sliding rod for enabling the connecting rod to slide, a driving motor for driving the connecting rod to slide on the sliding rod and a controller for controlling the stop position of the vacuum chuck.
Adopt above-mentioned technical scheme, because conveyer includes vacuum chuck, the force pump, the connecting rod, be used for supplying the gliding slide bar of connecting rod, driving motor and controller, stop and just reverse through opening of controller control driving motor, make vacuum chuck earlier press from both sides the printed circuit board who treats the detection zone and wait to detect, then put down printed circuit board in the detection zone, wait to detect to finish again to press from both sides this printed circuit board through vacuum chuck and get, the certified products that places printed circuit board according to circuit detection device and counterpoint detection device's judgement again places the district or the region is placed to the defective products that detects in accomplishing the district.
The utility model discloses a further setting: the quantity of vacuum chuck is two, the detection zone includes that the circuit board places district and circuit board detection zone, the position of circuit board detection zone corresponds counterpoint detection device and is located the region.
By adopting the technical scheme, as the number of the vacuum chucks is two, the circuit board placing area and the circuit board detecting area are arranged, and the position of the circuit board detecting area corresponds to the area of the alignment detecting device, the two vacuum chucks respectively clamp a printed circuit board, one of the printed circuit boards is placed in the circuit board placing area, the other printed circuit board is placed in the circuit board detecting area, after the printed circuit board placed in the circuit board detecting area is detected, the two vacuum chucks respectively clamp the two printed circuit boards, then the undetected printed circuit board is moved to the position right above the circuit board detecting area through the transporting device, then the vacuum chucks are loosened, then the transporting device transports the detected printed circuit board to the detection completion area, then the vacuum chuck positioned closer to the detecting area clamps the undetected printed circuit board from the area to be detected, and transports the printed circuit board to the circuit board placing area in the, then the printed circuit board to be detected in the circuit board placing area is transported to a circuit board detection area, and the printed circuit board is transported to a detection completion area after the detection completion, so that a cycle is formed, and the efficiency of detecting the printed circuit board can be greatly improved.
The utility model discloses a further setting: the detection completion area comprises an equipment platform, a qualified product placing plate, an unqualified product placing plate, an infrared detection element and an alarm, wherein the qualified product placing plate is connected with the equipment platform, the infrared detection element is used for detecting the height of the qualified product placing plate or the unqualified product placing plate, the alarm is used for prompting workers to take away products, the qualified product placing plate and the unqualified product placing plate are respectively connected with the equipment platform through springs, the infrared detection element is electrically connected with the alarm, when the position of the qualified product placing plate or the position of the unqualified product placing plate reaches the detection position of the infrared detection element, the infrared detection element sends an electric signal to the alarm, and the alarm sends out.
Adopt above-mentioned technical scheme, because the board is placed to the certified products and the board is placed to the defective work passes through spring coupling and equipment platform respectively, when the qualified products place the board and the defective work places the product on the board more and more, the qualified products place the board and the defective work place the position of board and can push down, when the qualified products place the board or the defective work places the position of board and reach infrared ray detecting element's detection position, infrared ray detecting element sends the signal of telecommunication to the siren, the siren sends out the police dispatch newspaper, the staff can in time take away the product, do not need real-time supervision before detecting the completion district, the human cost is reduced, and the detection efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a detection mechanism for a printed circuit board according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1, a detection mechanism for a printed circuit board comprises a detection device 1 for detecting the printed circuit board, a detection area 2 for detecting the printed circuit board, a to-be-detected area 3 for placing the printed circuit board to be detected, a detection completion area 4 for placing the printed circuit board to be detected, and a transportation device 5 for transporting the printed circuit board from the to-be-detected area 3 to a station of the detection device 1 and then to the detection completion area 4, wherein the detection device 1 comprises an alignment detection device 6 for checking whether the hole site of the printed circuit board is accurate and a circuit detection device 7 for detecting the circuit integrity of the printed circuit board, the alignment detection device 6 comprises a base plate 8, a plurality of energized metal pins 9 fixedly connected to the base plate 8, a lifting plate 10 for sliding the base plate 8 in the vertical direction, and a servo motor 11 for providing power for lifting and descending the base plate 8, the position of the base plate 8 corresponds to the detection area 2, the position arrangement of the electrified metal pins 9 corresponds to the position of a qualified hole on the printed circuit board, and the circuit detection device 7 is electrically connected to the base plate 8.
Firstly, a printed circuit board to be detected is clamped from a region 3 to be detected to a station of a detection region 2 through a conveying device 5, then a base plate 8 is driven to vertically move downwards through a servo motor 11, if an electrified metal needle 9 can not be completely inserted into a hole site of the printed circuit board, the printed circuit board is a defective product, the conveying device 5 conveys the printed circuit board to a defective product placing region in a detection completion region 4, if the electrified metal needle 9 can be completely inserted, the printed circuit board is a qualified product, then the circuit integrity of the printed circuit board is detected through a circuit detection device 7, after the printed circuit board is detected to be the qualified product by the circuit detection device 7, the conveying device 5 conveys the printed circuit board to a qualified product placing region in the detection completion region 4, so that the function of automatically and efficiently detecting the printed circuit board can be realized, compared with the traditional high-speed flying probe machine detection, the detection speed is greatly improved.
The transportation device 5 comprises a vacuum chuck 12 for clamping the printed circuit board, a pressure pump 13 for providing power for the vacuum chuck 12, a connecting rod 14 fixedly connected to the vacuum chuck 12, a sliding rod 15 for sliding the connecting rod 14, a driving motor 16 for driving the connecting rod 14 to slide on the sliding rod 15, and a controller 17 for controlling the stop position of the vacuum chuck 12.
Because the conveyer 5 includes vacuum chuck 12, force pump 13, connecting rod 14, be used for supplying the gliding slide bar 15 of connecting rod 14, driving motor 16 and controller 17, stop opening and positive reverse rotation of driving motor 16 through controller 17 control for vacuum chuck 12 is earlier pressing from both sides the printed circuit board who treats to detect in the detection zone 3, then put down printed circuit board in detection zone 2, treat to detect to finish again pressing from both sides this printed circuit board and get up through vacuum chuck 12 clamp, place printed circuit board according to circuit detection device 7 and counterpoint detection device 6's judgement and detect the certified products in accomplishing district 4 and place the district or the unqualified products and place the district.
The number of the vacuum chucks 12 is two, the detection area 2 comprises a circuit board placing area 18 and a circuit board detection area 19, and the position of the circuit board detection area 19 corresponds to the area where the alignment detection device 6 is located.
Because the number of the vacuum chucks 12 is two, the circuit board placing area 18 and the circuit board detecting area 19, and the position of the circuit board detecting area 19 corresponds to the area where the alignment detecting device 6 is located, the two vacuum chucks 12 respectively clamp a printed circuit board, one of the printed circuit boards is placed in the circuit board placing area 18, the other is placed in the circuit board detecting area 19, after the printed circuit board placed in the circuit board detecting area 19 is detected, the two vacuum chucks 12 respectively clamp two printed circuit boards, then the undetected printed circuit board is moved to the position right above the circuit board detecting area 19 through the transporting device 5, then the vacuum chucks 12 are loosened, then the transporting device 5 transports the detected printed circuit board to the detection completion area 4, and then the vacuum chuck 12 which is located closer to the detecting area 2 clamps an undetected printed circuit board from the area to be detected 3, the circuit board that transports to in the detection zone 2 through conveyer 5 places district 18, then places the printed circuit board that waits that the detection of district 18 is placed to the circuit board and transports to circuit board detection zone 19, waits to detect again after accomplishing and transports this printed circuit board to detecting and accomplish district 4, so form a circulation, just can promote the efficiency that detects printed circuit board greatly.
The detection completion area 4 comprises an equipment platform 20, a qualified product placing plate 21 connected to the equipment platform 20, a unqualified product placing plate 22, an infrared detection element 23 for detecting the height of the qualified product placing plate 21 or the unqualified product placing plate 22 and an alarm 24 for prompting a worker to take a product away, wherein the qualified product placing plate 21 and the unqualified product placing plate 22 are respectively connected with the equipment platform 20 through springs, the infrared detection element 23 is electrically connected with the alarm 24, when the position of the qualified product placing plate 21 or the position of the unqualified product placing plate 22 reaches the detection position of the infrared detection element 23, the infrared detection element 23 sends an electric signal to the alarm 24, and the alarm 24 sends an alarm.
Because the qualified product placing plate 21 and the unqualified product placing plate 22 are respectively connected with the equipment platform 20 through springs, when the qualified product placing plate 21 and the unqualified product placing plate 22 have more and more products, the positions of the qualified product placing plate 21 and the unqualified product placing plate 22 can be pressed downwards, when the positions of the qualified product placing plate 21 or the unqualified product placing plate 22 reach the detection position of the infrared detection element 23, the infrared detection element 23 sends an electric signal to the alarm 24, the alarm 24 sends out an alarm, a worker can take the product away in time, the worker does not need to keep on the site in real time before the detection completion area 4, the labor cost is reduced, and the detection efficiency is improved.

Claims (4)

1. A detection mechanism for a printed circuit board, characterized by: the detection device comprises an alignment detection device and a circuit detection device, wherein the alignment detection device is used for detecting whether hole sites of the printed circuit board are accurate or not, the alignment detection device comprises a base plate, a plurality of electrified metal needles fixedly connected to the base plate, a lifting plate used for enabling the base plate to slide in the vertical direction and a servo motor used for providing power for lifting the base plate, the position of the base plate corresponds to the detection region, and the position arrangement of the electrified metal needles corresponds to the position of the hole sites on the qualified printed circuit board, the circuit detection device is electrically connected to the base plate.
2. A test mechanism for a printed circuit board as recited in claim 1, wherein: the conveying device comprises a vacuum chuck for clamping the printed circuit board, a pressure pump for providing power for the vacuum chuck, a connecting rod fixedly connected to the vacuum chuck, a sliding rod for enabling the connecting rod to slide, a driving motor for driving the connecting rod to slide on the sliding rod and a controller for controlling the stop position of the vacuum chuck.
3. A test mechanism for a printed circuit board as recited in claim 2, wherein: the quantity of vacuum chuck is two, the detection zone includes that the circuit board places district and circuit board detection zone, the position of circuit board detection zone corresponds counterpoint detection device and is located the region.
4. A test mechanism for a printed circuit board as recited in claim 1, wherein: the detection completion area comprises an equipment platform, a qualified product placing plate, an unqualified product placing plate, an infrared detection element and an alarm, wherein the qualified product placing plate is connected with the equipment platform, the infrared detection element is used for detecting the height of the qualified product placing plate or the unqualified product placing plate, the alarm is used for prompting workers to take away products, the qualified product placing plate and the unqualified product placing plate are respectively connected with the equipment platform through springs, the infrared detection element is electrically connected with the alarm, when the position of the qualified product placing plate or the position of the unqualified product placing plate reaches the detection position of the infrared detection element, the infrared detection element sends an electric signal to the alarm, and the alarm sends out.
CN202020793637.1U 2020-05-14 2020-05-14 Detection mechanism for printed circuit board Active CN212703074U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020793637.1U CN212703074U (en) 2020-05-14 2020-05-14 Detection mechanism for printed circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020793637.1U CN212703074U (en) 2020-05-14 2020-05-14 Detection mechanism for printed circuit board

Publications (1)

Publication Number Publication Date
CN212703074U true CN212703074U (en) 2021-03-16

Family

ID=74945600

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020793637.1U Active CN212703074U (en) 2020-05-14 2020-05-14 Detection mechanism for printed circuit board

Country Status (1)

Country Link
CN (1) CN212703074U (en)

Similar Documents

Publication Publication Date Title
CN101464504B (en) Automatic assembly line standard apparatus for electric energy meter calibration
CN103713221B (en) The low-frequency transformer automatic Synthesis test machine of GROOVY data acquisition and analysis system is controlled based on PLC
CN102288935B (en) Electric energy meter calibration system
CN201322792Y (en) Electric energy meter automatic standard apparatus for detecting production lines
CN102261902B (en) Measuring method and device of PCB (printed circuit board) cutter
CN108421725A (en) The automatic electric logging equipments of PCB
CN206638782U (en) Measuring instrument circuit board function intelligent test device
CN113835018B (en) PCBA single board test system based on laser multi-point positioning
CN207051433U (en) Automatic burning detection machine
CN207366152U (en) A kind of valve body detection line
CN104359398A (en) Workpiece laser measuring machine
CN203929909U (en) Transformer voltage-withstand test mechanism
CN208110004U (en) A kind of testing integrated machine equipment of pcb board burning
CN107774580A (en) A kind of self-feeding marking system
CN203376410U (en) Multi-station automatic detection device for electronic product
CN110470969A (en) A kind of testing integrated machine equipment of pcb board burning and application method
CN104841648A (en) Carbon brush resistance test machine
CN108051738A (en) A kind of electric relay detection device and detection method
CN105223089A (en) A kind of ultrathin magnet assembly automatic detection device and detection method thereof
CN105091829A (en) Automobile component pipe internal diameter detection apparatus
CN212703074U (en) Detection mechanism for printed circuit board
CN110877017B (en) Power transformer production test monitoring method
CN108132215A (en) A kind of AOI detection methods of SMT patches production line
CN113253100A (en) Testing device and detection system
CN108445372A (en) A kind of diode behavior testing agency for pressing from both sides weldering detection device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Detection mechanism for printed circuit board

Effective date of registration: 20221103

Granted publication date: 20210316

Pledgee: Wenzhou Financing Guarantee Co.,Ltd.

Pledgor: WENZHOU RUIHAO ELECTRONICS Co.,Ltd.

Registration number: Y2022110000293

PE01 Entry into force of the registration of the contract for pledge of patent right