CN113198743A - Full-automatic feeding and discharging process for preventing abnormal material incoming in plate AOI (automated optical inspection) process - Google Patents
Full-automatic feeding and discharging process for preventing abnormal material incoming in plate AOI (automated optical inspection) process Download PDFInfo
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- CN113198743A CN113198743A CN202110607448.XA CN202110607448A CN113198743A CN 113198743 A CN113198743 A CN 113198743A CN 202110607448 A CN202110607448 A CN 202110607448A CN 113198743 A CN113198743 A CN 113198743A
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- 238000000034 method Methods 0.000 title claims abstract description 64
- 238000007599 discharging Methods 0.000 title claims abstract description 43
- 230000008569 process Effects 0.000 title claims abstract description 41
- 230000002159 abnormal effect Effects 0.000 title claims abstract description 17
- 238000007689 inspection Methods 0.000 title claims abstract description 10
- 230000003287 optical effect Effects 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 207
- 238000005303 weighing Methods 0.000 claims abstract description 73
- 238000001514 detection method Methods 0.000 claims abstract description 61
- 238000012546 transfer Methods 0.000 claims abstract description 50
- 238000004140 cleaning Methods 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 230000007306 turnover Effects 0.000 claims description 46
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 4
- 238000013519 translation Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/16—Sorting according to weight
- B07C5/28—Sorting according to weight using electrical control means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/44—Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions
- B41J3/445—Printers integrated in other types of apparatus, e.g. printers integrated in cameras
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
The invention relates to the technical field of automatic detection, in particular to a full-automatic loading and unloading process for preventing abnormal material incoming in a plate AOI (automated optical inspection) process, which comprises the following steps: A. the paper taking mechanism transfers the separation paper to the discharging mechanism; B. the plate taking mechanism transfers the plate to the weighing mechanism; C. the weighing mechanism is used for weighing the plate and judging whether the plate is adhered or not according to the weighed amount; D. transferring the plate with qualified weight to a cleaning mechanism for cleaning; E. performing AOI detection on two surfaces of the cleaned plate respectively; F. carrying out jet printing identification on the detected plate; G. and transferring the plate subjected to jet printing to a separation paper of a discharging mechanism. The plate is detected in a weighing mode, and whether the plates are adhered together is judged through weight feedback, so that the effect of detecting various types of plates is achieved, the universality is improved, and the high-speed AOI detection is facilitated.
Description
Technical Field
The invention relates to the technical field of automatic detection, in particular to a full-automatic loading and unloading process for preventing abnormal material incoming in a plate AOI (automated optical inspection) process.
Background
In the manufacturing process of a board (PCB), automatic optical inspection (commonly called AOI) is an important process for inspecting common defects encountered in the production process of a circuit board based on an optical principle. After the AOI is started, the development is very rapid, and a plurality of manufacturers adopt AOI equipment to perform quality detection, so that the AOI equipment becomes standard matching equipment in the manufacturing process of a Plate (PCB).
The AOI principle is that during automatic detection, a machine automatically scans a PCB through a camera to acquire images, then compares a tested circuit with qualified parameters in a database, inspects circuit defects on the PCB through image processing, and displays/marks the defects through a display or an automatic mark for repair by maintenance personnel. By using AOI as a tool for reducing defects, errors can be searched and eliminated early in the production process so as to realize good process control, avoid sending a damaged board to a subsequent production stage, reduce the repair cost, avoid scrapping an unrepairable circuit board, improve the production efficiency, improve the product yield and save the cost.
However, since PCBs are usually stacked during transportation, so that PCBs are prone to adhesion, that is, two PCBs stacked on top of each other may adhere together to cause interference to the detection result, the current methods for detecting whether PCBs are stacked are generally two: one is detection using ultrasonic waves, and the other is detection using contact. The former is suitable for an inner plate but cannot effectively monitor a perforated or notched outer plate; the latter is suitable for outer plates but does not allow reliable detection of plates with small thickness, such as flexible circuit boards. That is, the worker needs to frequently replace the structure for detection according to the characteristics of the panel, resulting in inefficiency.
Disclosure of Invention
The invention provides a full-automatic feeding and discharging process for preventing abnormal material incoming in a plate AOI (automated optical inspection) process, aiming at the problems in the prior art, and the full-automatic feeding and discharging process can realize the detection of various types of plates.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a full-automatic loading and unloading process for preventing abnormal material incoming in a plate AOI (automated optical inspection) process, which comprises the following steps of:
A. the paper taking mechanism transfers the paper separating plate which is carried by the feeding mechanism and used for separating two adjacent plates to the discharging mechanism;
B. the plate taking mechanism transfers the plate to the weighing mechanism;
C. the weighing mechanism is used for weighing the plate and judging whether the plate is adhered or not according to the weighed amount;
D. transferring the plate after the weighing of the weighing mechanism is qualified to a cleaning mechanism for cleaning;
E. carrying out AOI detection on the cleaned plate;
F. carrying out jet printing identification on the detected plate;
G. and transferring the plate subjected to jet printing to a separation paper of a discharging mechanism.
Further, in step C, the method specifically includes:
C1. supporting the plate by using a weighing and material moving mechanism and moving the plate to a position right above a weighing inductor;
C2. the weighing inductor rises to support the plate;
C3. weighing the weight of the plate by using a weighing sensor, and alarming if the weight of the plate is not qualified; if the weight of the plate is qualified, executing the step C4;
C4. the weighing sensor resets, and the plate is transmitted to the cleaning mechanism by the weighing and material moving mechanism.
Further, in step D and step E, the method further includes:
d', the transfer mechanism descends to abut against the plate and picks up the plate;
d', after the transfer mechanism ascends, the transfer mechanism moves to the detection mechanism in a transverse mode;
d ' ' '. the transfer mechanism descends, and then the plate is placed on the detection mechanism;
d '' '' the transfer mechanism is reset.
Further, in step E, the method specifically includes:
E1. carrying out AOI detection on one surface of the plate by a first detector;
E2. the turnover mechanism picks up the plate and then drives the plate to rotate so as to turn over the plate;
E3. the detection material moving mechanism picks up the turned plate and transfers the plate to a second detector;
E4. and the second detector performs AOI detection on the other surface of the plate.
Furthermore, the turnover mechanism comprises a turnover driving piece, a turnover piece and a plurality of material picking pieces arranged on the turnover piece, wherein the material picking pieces are used for picking up the plate, and the turnover driving piece is used for driving the turnover piece to rotate;
in step E2, the method specifically includes:
E21. the material picking part is abutted against the plate part and sucks up the plate part;
E22. the turnover driving piece drives the turnover piece to turn over for 180 degrees;
E23. the picking member releases the plate member.
Further, in step F, the method specifically includes:
F1. the jet printing transfer mechanism picks up the plate;
F2. the jet printing transfer mechanism drives the plate to be transferred to the code spraying device for jet printing.
Furthermore, the plate cleaned by the cleaning mechanism is translated to the positioning assembly by the translation assembly, the plate is positioned by the positioning assembly, and the plate positioned by the positioning assembly is moved to the detection mechanism by the transfer mechanism to be subjected to AOI detection.
Further, the method also comprises the following steps:
H. the discharging mechanism controls the descending height x of the plates, and the distance between the two plates which are stacked mutually is equal to the descending height x;
I. repeating the steps A-H until the plate 8 descends to the lowest point;
J. and replacing the discharging mechanism to carry materials.
Further, before step a, the method further comprises:
and B', transferring a feeding mechanism loaded with stacked plates to a feeding position, wherein adjacent plates are separated by a separation paper.
Further, between steps B and C, further comprising: b '', the feeding mechanism controls the plate elevation y, the value of y being equal to the distance between two plates stacked on each other.
The invention has the beneficial effects that: the plate is detected in a weighing mode, and whether the plates are adhered together is judged through weight feedback, so that the effect of detecting various types of plates is achieved, the universality is improved, and the high-speed AOI detection is facilitated.
Drawings
FIG. 1 is a flow chart of the present invention.
Fig. 2 is a schematic view of an apparatus to which the present invention is applied.
Fig. 3 is a perspective view of fig. 2 with the detection mechanism hidden.
Fig. 4 is a schematic view of a weighing mechanism of the device of fig. 2.
Fig. 5 is a schematic view of the detection mechanism of the present invention of the device of fig. 2.
Fig. 6 is a schematic view of the turn-over mechanism of the present invention of the device of fig. 2.
Fig. 7 is a schematic view of the discharge mechanism of the present invention of the apparatus of fig. 2.
Fig. 8 is a schematic view of the loading mechanism of the present invention of the apparatus of fig. 2.
Reference numerals: 1-discharging mechanism, 2-paper taking mechanism, 3-plate taking mechanism, 4-weighing mechanism, 5-cleaning mechanism, 6-detecting mechanism, 7-jet printing mechanism, 8-plate, 9-transferring mechanism, 10-feeding mechanism, 11-discharging cart, 12-discharging supporting piece, 13-discharging lifting mechanism, 41-weighing material-moving mechanism, 42-weighing seat, 43-weighing lifting piece, 44-weighing sensor, 45-gap, 46-top plate, 47-supporting piece, 51-translation component, 52-positioning component, 61-first detecting machine, 62-turning mechanism, 63-detecting material-moving mechanism, 64-second detecting machine, 65-turning driving piece, 66-turning piece, 67-material-picking piece, 68-sucking disc, 69-negative pressure structure, 71-jet printing transferring mechanism, 72-code-spraying device, 101-feeding cart, 102-feeding lifting mechanism, 103-feeding supporting piece.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.
As shown in fig. 2 to 7, the device of the present invention includes a discharging mechanism 1, a paper taking mechanism 2, a plate taking mechanism 3, a weighing mechanism 4, a cleaning mechanism 5, a detecting mechanism 6, and a jet printing mechanism 7, wherein the paper taking mechanism 2 is used for transferring a separation paper to the discharging mechanism 1, the plate taking mechanism 3 is used for transferring a plate 8 to the weighing mechanism 4, the weighing mechanism 4 is used for weighing the plate 8 to determine whether the plate 8 is adhered, the cleaning mechanism 5 is used for cleaning the weighed plate 8, the detecting mechanism 6 is used for performing AOI detection on two sides of the cleaned plate 8, the jet printing mechanism 7 is used for jet printing a mark on the detected plate 8, and the discharging mechanism 8 is also used for supporting the jet printed plate 8.
As shown in fig. 1, based on the above device, the present invention includes the following steps:
A. the paper taking mechanism 2 transfers the paper separating carried by the feeding mechanism and used for separating two adjacent plates to the discharging mechanism 1;
B. the plate taking mechanism 3 transfers the plate 8 to the weighing mechanism 1;
C. the weighing mechanism 4 is used for weighing the plate 8 and judging whether the plate 8 is adhered or not according to the weighed amount;
D. transferring the plate 8 which is weighed by the weighing mechanism 4 to the cleaning mechanism 5 for cleaning;
E. performing AOI detection on two surfaces of the cleaned plate 8 respectively;
F. carrying out jet printing identification on the detected plate 8;
G. and transferring the plate 8 subjected to jet printing to the paper separation of the discharging mechanism 1.
During the in-service use, transfer feed mechanism 10 to this invention department by external staff or robot, this feed mechanism 10 bearing has the PCB board (being plate 8) that stacks, has between the adjacent plate 8 to separate paper in order to avoid touching each other between the PCB board. When the material is taken, the two PCB boards and the paper separating between the two PCB boards are possibly adhered, so that the two board pieces 8 can be taken out at one time when the material is taken; therefore, the weighing mechanism 4 is arranged, and the plate 8 taken out by the plate taking mechanism 3 is weighed by the weighing mechanism 4: the weighing mechanism 4 can be used for setting a weight threshold value of one plate 8 in advance by a worker, which is generally equal to 1.1-1.3 times of that of one plate 8, so that the phenomenon of weighing errors can be reduced as much as possible; the weighed qualified plate 8 is transferred to be cleaned, AOI detection is respectively carried out on two surfaces of the plate after the cleaning is finished, and the condition of the surface of the plate 8 is recorded through the AOI detection; the plate 8 is then printed with a logo, and finally the plate 8 is transferred to the discharge mechanism 1 and placed on a separating sheet. Through the actions of the steps, the mark on the plate 8 is bound with the AOI detection result, so that the staff can check the mark and perform subsequent repairing actions conveniently.
Compared with the prior art, the plate taking mechanism has the advantages that whether the plates 8 taken out by the plate taking mechanism 3 are adhered or not is judged through the weight, and the plates 8 of various types can be detected, so that abnormal material feeding is effectively prevented, and the efficiency is improved.
Specifically, weighing mechanism 4 is including weighing moving material mechanism 41, the seat 42 of weighing, the lift 43 of weighing and weighing inductor 44, the seat 42 of weighing is used for holding plate 8, the inductor 44 of weighing is used for contradicting from plate 8 bottom and plate 8, the lift 43 of weighing is used for the drive the inductor 44 of weighing goes up and down, it is used for transferring the qualified plate 8 after weighing to weigh moving material mechanism 41 clean mechanism.
In the step C, the method specifically comprises:
C1. the plate 8 is supported by the weighing and material moving mechanism 41, and the plate 8 is moved to the position right above the weighing inductor 44;
C2. the weighing inductor 44 is raised to hold the plate member 8;
C3. the weighing sensor 44 weighs the plate 8, and if the plate 8 is unqualified, an alarm is given; if the weight of the plate 8 is qualified, executing the step C4;
C4. the weighing sensor 44 is reset, and the plate member 8 is transferred to the cleaning mechanism 5 by the weighing and transferring mechanism 41.
During the in-service use, weigh move material mechanism 41 set up in seat 42 weighs, weigh and move material mechanism 41 and be provided with a plurality of clearances 45, the top of inductor 44 of weighing is provided with roof 46, the top of going up roof 46 is provided with a plurality of support piece 47, and support piece 47 is used for conflicting with plate 8 behind clearance 45. Namely, the weighing and material moving mechanism 41 is positioned above the weighing inductor 44, the weighing and material moving mechanism 41 is preferably a transmission roller transmission structure, and a gap 45 is reserved between adjacent transmission rollers, so that not only can the loss caused by long-time friction of the adjacent transmission rollers be avoided, but also the support piece 47 can be abducted, the support piece 47 directly protrudes above the weighing and material moving mechanism 41 from the gap 45 to be contacted with the bottom of the plate 8, and the plate 8 is slightly supported to realize the weighing effect on the plate 8; after the weight of the plate 8 is qualified, the supporting piece 47 retracts to the bottom of the weighing and material moving mechanism 41, so that the plate 8 falls on the weighing and material moving mechanism 41 again, the weighing and material moving mechanism 41 transmits the plate 8, and the plate 8 enters the cleaning mechanism 5, so that the structure of the cleaning device is compact, and the cleaning device is beneficial to saving space.
Specifically, a transfer mechanism 9 is arranged between the cleaning mechanism 5 and the detection mechanism 6, and the transfer mechanism 9 is used for transferring the cleaned plate 8 to the detection mechanism 6.
Namely, in step D and step E, the method further comprises:
d', the transfer mechanism 9 descends to abut against the plate 8 and picks up the plate 8;
d', the transfer mechanism 9 moves to the detection mechanism 6 after rising;
d ' ' '. lowering the transfer mechanism 9, and then placing the plate member to the detection mechanism 6;
d ' ' '. the transfer mechanism 9 is reset.
The transfer mechanism 9 can be a vacuum manipulator which can only act in the directions of an X axis and a Z axis, namely the transfer mechanism 9 only has the actions of taking, moving, placing and resetting, the effect of driving the plate 8 to move in the direction vertical to the transmission direction of the weighing and material transferring mechanism 41 is realized, and the structure of the invention is more compact; specifically, the transfer mechanism 9 may adopt a vacuum structure to achieve the picking and placing of the plate 8, and may avoid the surface of the plate 8 from being damaged as much as possible.
Specifically, detection mechanism 6 includes first detection machine 61, turn-over mechanism 62, detects and moves material mechanism 63 and second detection machine 64, first detection machine 61 is used for detecting the one side of plate 8, turn-over mechanism 62 is used for the warp plate 8 after first detection machine 61 detects carries out the turn-over, it is used for transferring the plate 8 after the turn-over to detect moves material mechanism 63 the second detection machine 64, second detection machine 64 is used for detecting the another side of plate 8.
Namely, in step E, the method specifically comprises:
E1. the first detector 61 performs AOI detection on one surface of the plate 8;
E2. the turnover mechanism 62 picks up the plate 8 and then drives the plate 8 to rotate so as to turn over the plate 8;
E3. the detection material moving mechanism 63 picks up the plate 8 and moves the plate 8 to the second detector 64;
E4. the second inspection machine 64 performs AOI inspection on the other side of the plate 8.
The first detector 61 and the second detector 64 are both common AOI detection devices, that is, when the plate 8 is placed on the first detector 61, the first detector 61 performs AOI detection on the bottom of the plate 8 (i.e., one side of the plate 8); after finishing detecting, pick up plate 8 and carry out the turn-over to plate 8 by turn-over mechanism 62, then move material mechanism 63 by the detection and pick up plate 8 and put into second detection machine 64, the another side of plate 8 is located the bottom this moment, consequently the second detects machine 64 and can carry out AOI to the another side of plate 8 and detect, has realized the effect that full-automatic AOI detected all carrying out to the two sides of plate 8.
Preferably, the turn-over mechanism 62 comprises a turn-over driving element 65, a turn-over element 66 and a plurality of picking-up elements 67 arranged on the turn-over element 66, wherein the picking-up elements 67 are used for picking up the plate 8, and the turn-over driving element 65 is used for driving the turn-over element 66 to rotate;
in step E2, the method specifically includes:
E21. the material picking part is abutted against the plate part and sucks up the plate part;
E22. the turnover driving piece drives the turnover piece to turn over for 180 degrees;
E23. the picking member releases the plate member.
In practical use, the material picking-up member 67 comprises a suction cup 68 and a negative pressure structure 69, wherein the suction cup 68 is used for sucking the plate 8, and the negative pressure structure 69 is used for introducing negative pressure gas into the suction cup 68. When the plate 8 needs to be turned over, the turning-over driving piece 65 drives the turning-over piece 66 to act so that the suction cup 68 is in contact with the plate 8, then a negative pressure environment is created in the suction cup 68 by the negative pressure structure 69, and the plate 8 is picked up through the internal and external pressure difference of the suction cup 68; then the turnover driving member 65 drives the turnover member 66 to turn over 180 degrees, the plate 8 is picked up by the detection material moving mechanism 63 and is moved to the second detector 64, and the turnover detection effect is achieved. Preferably, the turnover driving member 65 is a motor, so that the precision of the turnover angle is higher; the negative pressure structure 69 may be self-generating or may be externally connected to a negative pressure source.
Specifically, spout seal mechanism 7 including spouting seal transfer mechanism 71 and spouting yard device 72, spout seal transfer mechanism 71 is used for picking up the warp plate 8 after detection mechanism 6 detects, spout seal transfer mechanism 71 still is used for driving plate 8 warp spout and transfer to after spouting the yard device 72 and spout the unloading mechanism, spout yard device 72 and be used for spouting a yard to one of them one side of plate 8. In step F, specifically, the method includes:
F1. the jet printing transfer mechanism 71 picks up the plate 8;
F2. the jet printing transfer mechanism 71 drives the plate 8 to be transferred to the code spraying device 72 for jet printing.
Step G is performed by the inkjet transfer mechanism 71.
The plate 8 is transferred through the jet printing transfer mechanism 71, so that the plate 8 is jet printed under the condition that the plate 8 is picked up, the plate 8 is marked, and the plate 8 is grabbed by the jet printing transfer mechanism 71 in the jet printing process; after the jet printing is completed, the jet printing transfer mechanism 71 puts the plate 8 on the separation paper of the discharging mechanism 1, thereby realizing one-time complete AOI detection on the plate 8.
In this embodiment, the method further includes: the plate 8 cleaned by the cleaning mechanism 5 is translated to the positioning assembly 52 by the translation assembly 51, the plate 8 is positioned by the positioning assembly 52, and the plate 8 positioned by the positioning assembly 52 is moved to the detection mechanism 6 by the transfer mechanism 9 for AOI detection. After the cleaning, the plate 8 is transferred to the positioning component 52 for positioning, so that the transfer mechanism 9 with only four actions can accurately pick up the plate 8 and transfer the plate 8 to the detection mechanism 6 for AOI detection, and the actions of the invention are more accurate and reliable.
Specifically, the invention also comprises the following steps:
H. the discharging mechanism 1 controls the plate 8 to descend by a height x, wherein the height x is equal to the distance between two plates 8 stacked mutually;
I. repeating the steps A-H until the plate 8 descends to the lowest point;
J. the discharging mechanism 1 is replaced to carry materials.
Specifically, the discharging mechanism 1 comprises a discharging cart 11, a discharging support 12 and a discharging lifting mechanism 13, wherein the discharging support 12 and the discharging lifting mechanism 13 are both arranged on the discharging cart 11, the discharging support 12 is used for supporting the paper spacer and the code-sprayed plate 8, and the discharging lifting mechanism 13 is used for driving the discharging support 12 to lift; the feeding mechanism 10 comprises a feeding cart 101, a feeding lifting mechanism 102 and a feeding support member 103, wherein the feeding lifting mechanism 102 and the feeding support member 103 are arranged on the feeding cart 101, the feeding support member is used for supporting the stacked plates 8, and paper separation is arranged between every two adjacent plates 8; the feeding lifting mechanism 102 is used for driving the feeding supporting piece 103 to lift.
Before step A, the method also comprises the following steps:
b' the loading mechanism 10 loaded with the stacked plates 8 is transferred to the loading position, and the adjacent plates 8 are separated by a separation paper.
Namely, the invention circularly acts through A-H steps, and when the plate 8 on the feeding mechanism 10 is taken out or the plate 8 on the discharging mechanism 1 is fully placed, the feeding mechanism 10 or the discharging mechanism 1 is replaced by a worker, thereby ensuring that the action of the invention is continuous and uninterrupted.
Preferably, the method further comprises the following steps between the steps B and C: b ", the feeding mechanism 10 controls the plate elevation y, the value of which is equal to the distance between two plates 8 stacked on top of each other.
That is, when the plate 8 on the feeding support 103 of the feeding mechanism 10 is taken out, the feeding lifting mechanism 102 drives the feeding support 103 to lift by the height (i.e. y) of one plate 8 for compensation, so as to ensure that the plate taking mechanism 3 can take the plate by simple action, and avoid the descending height adjustment required when the plate 8 to be compensated is taken out; similarly, when a plurality of plates 8 are placed on the discharging supporting plate 12 of the discharging mechanism 1, the discharging lifting mechanism 13 controls the discharging supporting plate 12 to descend by the height x of one plate 8, so that the jet printing transfer mechanism 71 and the paper taking mechanism 2 do not need to adjust the height of the plate 8, and the action of the invention is more efficient and safer.
Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A full-automatic feeding and discharging process for abnormal material incoming prevention in plate AOI (automated optical inspection) manufacturing process is characterized by comprising the following steps of: the method comprises the following steps:
A. the paper taking mechanism transfers the paper separating plate which is carried by the feeding mechanism and used for separating two adjacent plates to the discharging mechanism;
B. the plate taking mechanism transfers the plate to the weighing mechanism;
C. the weighing mechanism is used for weighing the plate and judging whether the plate is adhered or not according to the weighed amount;
D. transferring the plate after the weighing of the weighing mechanism is qualified to a cleaning mechanism for cleaning;
E. carrying out AOI detection on the cleaned plate;
F. carrying out jet printing identification on the detected plate;
G. and transferring the plate subjected to jet printing to a separation paper of a discharging mechanism.
2. The fully automatic loading and unloading process for plate AOI manufacture process abnormal material supply according to claim 1, wherein the loading and unloading process comprises: in the step C, the method specifically comprises:
C1. supporting the plate by using a weighing and material moving mechanism and moving the plate to a position right above a weighing inductor;
C2. the weighing inductor rises to support the plate;
C3. weighing the weight of the plate by using a weighing sensor, and alarming if the weight of the plate is not qualified; if the weight of the plate is qualified, executing the step C4;
C4. the weighing sensor resets, and the plate is transmitted to the cleaning mechanism by the weighing and material moving mechanism.
3. The fully automatic loading and unloading process for plate AOI manufacture process abnormal material supply according to claim 1, wherein the loading and unloading process comprises: in step D and step E, further comprising:
d', the transfer mechanism descends to abut against the plate and picks up the plate;
d', after the transfer mechanism ascends, the transfer mechanism moves to the detection mechanism in a transverse mode;
d ' ' '. the transfer mechanism descends, and then the plate is placed on the detection mechanism;
d '' '' the transfer mechanism is reset.
4. The fully automatic loading and unloading process for plate AOI manufacture process abnormal material supply according to claim 1, wherein the loading and unloading process comprises: in the step E, the method specifically includes:
E1. carrying out AOI detection on one surface of the plate by a first detector;
E2. the turnover mechanism picks up the plate and then drives the plate to rotate so as to turn over the plate;
E3. the detection material moving mechanism picks up the turned plate and transfers the plate to a second detector;
E4. and the second detector performs AOI detection on the other surface of the plate.
5. The fully automatic loading and unloading process for plate AOI manufacture process abnormal material supply according to claim 4, wherein the loading and unloading process comprises: the turnover mechanism comprises a turnover driving piece, a turnover piece and a plurality of material picking pieces arranged on the turnover piece, the material picking pieces are used for picking up a plate, and the turnover driving piece is used for driving the turnover piece to rotate;
in step E2, the method specifically includes:
E21. the material picking part is abutted against the plate part and sucks up the plate part;
E22. the turnover driving piece drives the turnover piece to turn over for 180 degrees;
E23. the picking member releases the plate member.
6. The fully automatic loading and unloading process for plate AOI manufacture process abnormal material supply according to claim 1, wherein the loading and unloading process comprises: in step F, specifically, the method includes:
F1. the jet printing transfer mechanism picks up the plate;
F2. the jet printing transfer mechanism drives the plate to be transferred to the code spraying device for jet printing.
7. The fully automatic loading and unloading process for plate AOI manufacture process abnormal material supply according to claim 3, wherein: the plate cleaned by the cleaning mechanism is translated to the positioning assembly by the translation assembly, the plate is positioned by the positioning assembly, and the plate positioned by the positioning assembly is moved to the detection mechanism by the transfer mechanism to be subjected to AOI detection.
8. The fully automatic loading and unloading process for plate AOI manufacture process abnormal material supply according to claim 1, wherein the loading and unloading process comprises: further comprising the steps of:
H. the discharging mechanism controls the descending height x of the plates, and the distance between the two plates which are stacked mutually is equal to the descending height x;
I. repeating the steps A-H until the temperature drops to the lowest point;
J. and replacing the discharging mechanism to carry materials.
9. The fully automatic loading and unloading process for plate AOI manufacture process abnormal material supply according to claim 1, wherein the loading and unloading process comprises: before step A, the method also comprises the following steps:
and B', transferring a feeding mechanism loaded with stacked plates to a feeding position, wherein adjacent plates are separated by a separation paper.
10. The fully automatic loading and unloading process for plate AOI process abnormal material supply according to claim 9, wherein: between steps B and C, the method also comprises the following steps: b '', the feeding mechanism controls the plate elevation y, the value of y being equal to the distance between two plates stacked on each other.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110607448.XA CN113198743A (en) | 2021-06-01 | 2021-06-01 | Full-automatic feeding and discharging process for preventing abnormal material incoming in plate AOI (automated optical inspection) process |
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| CN202110607448.XA CN113198743A (en) | 2021-06-01 | 2021-06-01 | Full-automatic feeding and discharging process for preventing abnormal material incoming in plate AOI (automated optical inspection) process |
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| CN113198743A true CN113198743A (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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Application publication date: 20210803 |