CN103743746A - Inspection machine of printed circuit board - Google Patents

Inspection machine of printed circuit board Download PDF

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Publication number
CN103743746A
CN103743746A CN201310716463.3A CN201310716463A CN103743746A CN 103743746 A CN103743746 A CN 103743746A CN 201310716463 A CN201310716463 A CN 201310716463A CN 103743746 A CN103743746 A CN 103743746A
Authority
CN
China
Prior art keywords
frame
circuit board
printed circuit
pcb
inspection machine
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.)
Pending
Application number
CN201310716463.3A
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Chinese (zh)
Inventor
欧阳建英
梁启光
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.)
New Microelectronics (dongguan) Co Ltd
Original Assignee
New Microelectronics (dongguan) 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 New Microelectronics (dongguan) Co Ltd filed Critical New Microelectronics (dongguan) Co Ltd
Priority to CN201310716463.3A priority Critical patent/CN103743746A/en
Publication of CN103743746A publication Critical patent/CN103743746A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an inspection machine of a printed circuit board. The inspection machine of the printed circuit board comprises a frame, wherein a transmission mechanism is arranged on the frame and used for conveying the printed circuit board and comprises a transmission belt and a rolling shaft; the transmission belt is horizontally assembled on the whole frame; the rolling shaft is connected with the transmission belt in a transmission manner; the transmission belt at a feeding end of the frame is divided into a plurality of transmission belts and arranged at intervals; an end face whole-column mechanism is arranged between two adjoined transmission belts; a bracket and an inspection imaging mechanism are arranged on the frame in sequence and arranged above the transmission belt; a sensor is arranged at the bottom of the bracket; the inspection imaging mechanism comprises a mounting frame, a plurality of optical imaging lenses and an optical sensor which is electrically connected to the optical imaging lenses; the optical imaging lenses are positioned at the bottom of the mounting frame; the optical sensor is a linear array image sensor on an imaging dimension; an adjustable light source is arranged under the transmission belt and used together with the optical imaging lenses. The inspection machine of the printed circuit board is high in automation degree and detection precision, quick in inspection speed, convenient to operate and beneficial to scanning and positioning of the printed circuit board.

Description

A kind of printed circuit board (PCB) inspection machine
Technical field
The present invention relates to checkout facility technical field, more particularly, relate to a kind of printed circuit board (PCB) inspection machine.
Background technology
Aspect the Quality Detection of printed circuit board (PCB), at present for improving its speed and performance, Systems for optical inspection replaces gradually original artificial visual and detects.Because Systems for optical inspection can convert complicated image frame to interpretation information, microprocessor has been compared zero defect, but the automaticity of existing Systems for optical inspection and detection degree of accuracy are all on the low side, inspection speed is slow, operate more loaded down with trivial detailsly, greatly reduce the work efficiency in printed circuit board (PCB) processing procedure.
Summary of the invention
The object of the invention is to overcome above-mentioned defect of the prior art, a kind of automaticity is provided and detects the printed circuit board (PCB) inspection machine that degree of accuracy is high, inspection speed is fast and easy to operate.
For achieving the above object, technical scheme provided by the invention is as follows: a kind of printed circuit board (PCB) inspection machine, comprise frame, described frame is provided with the connecting gear for delivery of printed circuit board (PCB), described connecting gear comprises the axis of rolling that level is installed in the travelling belt in whole described frame and is in transmission connection with described travelling belt, the travelling belt of the feeding end of described frame is divided into some and interval setting, between adjacent two described travelling belts, be provided with end face array mechanism, in described frame, be provided with successively and be set up in the support of described travelling belt top and check imaging mechanism, the bottom of described support is provided with inductor, described inspection imaging mechanism comprises erecting frame, several optical imaging lens and the optical sensor being electrically connected to described optical imaging lens, described optical imaging lens is positioned at the bottom of described erecting frame, described optical sensor is a line scan image sensor on imaging dimension, the below of described travelling belt is provided with the tunable light source with described optical imaging lens cooperating.
Furthermore, in technique scheme, between described erecting frame and described frame, be provided with height adjustment mechanism, described height adjustment mechanism comprise connect described erecting frame and described frame two guide rails, be fixed on the spur rack on a described guide rail wherein and the gear being driven by drive motor, described gear is meshed with described spur rack.
Furthermore, in technique scheme, described frame is provided with the reference column that is positioned at described erecting frame both sides, and described reference column is provided with four.
Furthermore, in technique scheme, described tunable light source is the LED illuminating lamp tube being electrically connected to power-supply controller of electric.
Furthermore, in technique scheme, the maximum brightness of described LED illuminating lamp tube is 6500K.
Furthermore, in technique scheme, the top of described erecting frame is provided with the cooling system consisting of several heating radiators, and described heating radiator uniformly-spaced arranges.
Furthermore, in technique scheme, described optical imaging lens comprises the optical lens that several adopt the uniform transparent material of refractive index to make.
Furthermore, in technique scheme, described frame is provided with the host computer being electrically connected to described inspection imaging mechanism, the display that shows various parameters and the keyboard for entering the operating instructions.
Furthermore, in technique scheme, described frame is provided with power control switch and the emergency stop switch being electrically connected to described host computer.
Furthermore, in technique scheme, described frame inside is provided with the verify control circuit being electrically connected to described host computer.
Compared with prior art, beneficial effect of the present invention is:
1) easy to operate, automaticity and stability are high, durable in use;
2) light-source brightness is adjustable, can improve circuit board image sharpness;
3) end face array mechanism has induced printed circuit board (PCB) at inductor and can, by printed circuit board (PCB) to low order end face permutation, facilitate scanning and the location of printed circuit board (PCB) through out-of-date;
4) line scan image sensor has improved printed circuit board (PCB) scan process speed, detects degree of accuracy high, has improved the work efficiency of testing printed circuit board.
Accompanying drawing explanation
Fig. 1 is the vertical view of printed circuit board (PCB) inspection machine of the present invention;
Fig. 2 is the front elevation of printed circuit board (PCB) inspection machine of the present invention;
Fig. 3 is the partial structurtes stereographic map of printed circuit board (PCB) inspection machine of the present invention.
Embodiment
In order to set forth thought of the present invention and object, below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Please refer to Fig. 1, Fig. 2 and Fig. 3, there is shown a kind of printed circuit board (PCB) inspection machine, it comprises frame 1, described frame 1 is provided with the connecting gear 2 for delivery of printed circuit board (PCB), described connecting gear 2 comprises the axis of rolling 22 that level is installed in the travelling belt 21 in whole described frame and is in transmission connection with described travelling belt 21, the travelling belt 21 of the feeding end of described frame 1 is divided into some and interval setting, between adjacent two described travelling belts 21, be provided with end face array mechanism 3, in described frame 1, be provided with successively and be set up in the support 4 of described travelling belt 21 tops and check imaging mechanism 5, the bottom of described support 4 is provided with inductor 6, described inspection imaging mechanism 5 comprises erecting frame 51, several optical imaging lens 52 and the optical sensor being electrically connected to described optical imaging lens 52, described optical imaging lens 52 is positioned at the bottom of described erecting frame 51, described optical sensor is a line scan image sensor on imaging dimension, the below of described travelling belt 21 is provided with the tunable light source 7 with described optical imaging lens 52 cooperatings.
Between described erecting frame 51 and described frame 1, be provided with height adjustment mechanism 8, described height adjustment mechanism 8 comprise connect described erecting frame 51 and described frame 1 two guide rails 81, be fixed on the spur rack 82 on a described guide rail 81 wherein and the gear 84 being driven by drive motor 83, described gear 84 is meshed with described spur rack 82.Thickness according to printed circuit board can regulate the imaging height that checks imaging mechanism 5 by height adjustment mechanism 8.
Described frame 1 is provided with the reference column 9 that is positioned at described erecting frame 51 both sides, and described reference column 9 is provided with four.
Described tunable light source 7 is set to the LED illuminating lamp tube being electrically connected to power-supply controller of electric, and preferred, the maximum brightness of described LED illuminating lamp tube is 6500K.The brightness of described LED illuminating lamp tube, by power controller controls, can be passed through potentiometer manual adjustments, also can be by the software automatic detection light source luminance level that resets of starting shooting.Tunable light source 7 can improve the accuracy of inspection hole position.
The top of described erecting frame 51 is provided with the cooling system consisting of several heating radiators 10, and described heating radiator 10 uniformly-spaced arranges.
Described optical imaging lens 52 comprises the optical lens that several adopt the uniform transparent material of refractive index to make.
Described frame 1 is provided with the host computer 11 being electrically connected to described inspection imaging mechanism 5, the display 12 that shows various parameters and the keyboard 13 for entering the operating instructions.Wherein, optical sensor is the core component of complete machine, and the printed circuit board that is mainly used in conveying to come carries out CCD imaging, then scanning information is changed into binary signal and sends into host computer 11 and carry out analytical calculation and deterministic process.
Described frame 1 is provided with power control switch 14 and the emergency stop switch 15 being electrically connected to described host computer 11.
Described frame 1 inside is provided with the verify control circuit 16 being electrically connected to described host computer 11.
In sum, the present invention has the following advantages: 1, easy to operate, automaticity and stability are high, durable in use; 2, light-source brightness is adjustable, can improve circuit board image sharpness; 3, end face array mechanism has induced printed circuit board (PCB) at inductor and can, by printed circuit board (PCB) to low order end face permutation, facilitate scanning and the location of printed circuit board (PCB) through out-of-date; 4, line scan image sensor has improved printed circuit board (PCB) scan process speed, has improved the work efficiency of testing printed circuit board; 5, accuracy of detection is high, accurately judge whether consistent with file data, the quality problem such as can detect consent, small opening, hole shape is bad, aperture is not inconsistent; 6, detection substrate scope is wide, and applicability is strong, is mainly manifested in and checks aperture, substrate thickness, substrate minimax size and detect hole count.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.

Claims (10)

1. a printed circuit board (PCB) inspection machine, comprise frame (1), it is characterized in that: described frame (1) is provided with the connecting gear (2) for delivery of printed circuit board (PCB), described connecting gear (2) comprises the axis of rolling (22) that level is installed in the travelling belt (21) in whole described frame and is in transmission connection with described travelling belt (21), the travelling belt (21) of the feeding end of described frame (1) is divided into some and interval setting, between adjacent two described travelling belts (21), be provided with end face array mechanism (3), in described frame (1), be provided with successively and be set up in the support (4) of described travelling belt (21) top and check imaging mechanism (5), the bottom of described support (4) is provided with inductor (6), described inspection imaging mechanism (5) comprises erecting frame (51), several optical imaging lens (52) and the optical sensor being electrically connected to described optical imaging lens (52), described optical imaging lens (52) is positioned at the bottom of described erecting frame (51), described optical sensor is a line scan image sensor on imaging dimension, the below of described travelling belt (21) is provided with the tunable light source (7) with described optical imaging lens (52) cooperating.
2. a kind of printed circuit board (PCB) inspection machine according to claim 1, it is characterized in that: between described erecting frame (51) and described frame (1), be provided with height adjustment mechanism (8), described height adjustment mechanism (8) comprise connect described erecting frame (51) and described frame (1) two guide rails (81), be fixed on spur rack (82) on a described guide rail (81) wherein and by the gear (84) of drive motor (83) driving, described gear (84) is meshed with described spur rack (82).
3. a kind of printed circuit board (PCB) inspection machine according to claim 1, is characterized in that: described frame (1) is provided with the reference column (9) that is positioned at described erecting frame (51) both sides, and described reference column (9) is provided with four.
4. a kind of printed circuit board (PCB) inspection machine according to claim 1, is characterized in that: the LED illuminating lamp tube of described tunable light source (7) for being electrically connected to power-supply controller of electric.
5. a kind of printed circuit board (PCB) inspection machine according to claim 4, is characterized in that: the maximum brightness of described LED illuminating lamp tube is 6500K.
6. a kind of printed circuit board (PCB) inspection machine according to claim 1, is characterized in that: the top of described erecting frame (51) is provided with the cooling system consisting of several heating radiators (10), and described heating radiator (10) uniformly-spaced arranges.
7. a kind of printed circuit board (PCB) inspection machine according to claim 1, is characterized in that: described optical imaging lens (52) comprises the optical lens that several adopt the uniform transparent material of refractive index to make.
8. according to a kind of printed circuit board (PCB) inspection machine described in any one in claim 1~7, it is characterized in that: described frame (1) is provided with the host computer (11) being electrically connected to described inspection imaging mechanism (5), the display (12) that shows various parameters and the keyboard (13) for entering the operating instructions.
9. a kind of printed circuit board (PCB) inspection machine according to claim 8, is characterized in that: described frame (1) is provided with power control switch (14) and the emergency stop switch (15) being electrically connected to described host computer (11).
10. a kind of printed circuit board (PCB) inspection machine according to claim 8, is characterized in that: described frame (1) inside is provided with the verify control circuit (16) being electrically connected to described host computer (11).
CN201310716463.3A 2013-12-23 2013-12-23 Inspection machine of printed circuit board Pending CN103743746A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310716463.3A CN103743746A (en) 2013-12-23 2013-12-23 Inspection machine of printed circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310716463.3A CN103743746A (en) 2013-12-23 2013-12-23 Inspection machine of printed circuit board

Publications (1)

Publication Number Publication Date
CN103743746A true CN103743746A (en) 2014-04-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310716463.3A Pending CN103743746A (en) 2013-12-23 2013-12-23 Inspection machine of printed circuit board

Country Status (1)

Country Link
CN (1) CN103743746A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104555314A (en) * 2014-12-29 2015-04-29 东莞市神州视觉科技有限公司 Conveying system
CN104810177A (en) * 2015-04-20 2015-07-29 杭州科明电子有限公司 Micro-switch feature automatic inspection machine
CN105428288A (en) * 2015-12-14 2016-03-23 重庆远创光电科技有限公司 Chip carrier frame mechanism with light sources
CN105489539A (en) * 2015-12-14 2016-04-13 重庆远创光电科技有限公司 Chip support rack mechanism with light sources
CN105513992A (en) * 2015-12-14 2016-04-20 重庆远创光电科技有限公司 Chip carrying apparatus for chip visual detection
CN105514008A (en) * 2015-12-14 2016-04-20 重庆远创光电科技有限公司 Chip carrying apparatus with light source
CN105514009A (en) * 2015-12-14 2016-04-20 重庆远创光电科技有限公司 Chip carrying apparatus for chip visual detection

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104555314A (en) * 2014-12-29 2015-04-29 东莞市神州视觉科技有限公司 Conveying system
CN104555314B (en) * 2014-12-29 2017-01-04 东莞市神州视觉科技有限公司 Transmission system
CN104810177A (en) * 2015-04-20 2015-07-29 杭州科明电子有限公司 Micro-switch feature automatic inspection machine
CN105428288A (en) * 2015-12-14 2016-03-23 重庆远创光电科技有限公司 Chip carrier frame mechanism with light sources
CN105489539A (en) * 2015-12-14 2016-04-13 重庆远创光电科技有限公司 Chip support rack mechanism with light sources
CN105513992A (en) * 2015-12-14 2016-04-20 重庆远创光电科技有限公司 Chip carrying apparatus for chip visual detection
CN105514008A (en) * 2015-12-14 2016-04-20 重庆远创光电科技有限公司 Chip carrying apparatus with light source
CN105514009A (en) * 2015-12-14 2016-04-20 重庆远创光电科技有限公司 Chip carrying apparatus for chip visual detection
CN105428288B (en) * 2015-12-14 2018-11-20 重庆远创光电科技有限公司 chip carrier mechanism with light source
CN105489539B (en) * 2015-12-14 2018-11-20 重庆远创光电科技有限公司 A kind of chip carrier mechanism with light source

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Application publication date: 20140423

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