CN116113161B - Online automatic board separation method after inner layer AOI scanning - Google Patents
Online automatic board separation method after inner layer AOI scanning Download PDFInfo
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- CN116113161B CN116113161B CN202310121905.3A CN202310121905A CN116113161B CN 116113161 B CN116113161 B CN 116113161B CN 202310121905 A CN202310121905 A CN 202310121905A CN 116113161 B CN116113161 B CN 116113161B
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- 238000000926 separation method Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000011161 development Methods 0.000 claims abstract description 5
- 238000005530 etching Methods 0.000 claims abstract description 5
- 239000007888 film coating Substances 0.000 claims abstract description 5
- 238000009501 film coating Methods 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 67
- 239000000428 dust Substances 0.000 claims description 40
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000012423 maintenance Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 230000007547 defect Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
-
- 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
- B07C5/3412—Sorting according to other particular properties according to a code applied to the object which indicates a property of the object, e.g. quality class, contents or incorrect indication
-
- 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
-
- 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
- B07C5/38—Collecting or arranging articles in groups
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Specific Conveyance Elements (AREA)
Abstract
The invention discloses an online automatic board separation method after inner layer AOI scanning, which relates to the technical field of PCB manufacture and specifically comprises the following steps: s1, before inner layer pretreatment, a continuous positioning coding device is used for coding a two-dimensional code on the side of a core board, wherein two-dimensional code information comprises model, version number, level, work order and serial number information, and the two-dimensional code information is used as a distinguishing mark of a current core board and other core boards; s2, after the core board is coded, inner layer pretreatment, film coating, exposure, development, etching and film stripping are sequentially carried out, and after the film stripping, the core board is scanned by an AOI scanner. The invention has high degree of automation, can perform high-precision continuous code printing treatment on the core board, avoids influencing the identification of the subsequent two-dimensional code due to lower printing precision, and is more suitable for the industrialized production of the PCB.
Description
Technical Field
The invention relates to the technical field of PCB manufacture, in particular to an online automatic board separation method after inner layer AOI scanning.
Background
The traditional inner layer AOI operation method comprises the following steps: after the core plates are etched, AOI is carried out, manual connection plates or automatic connection plates of a machine are carried out after the AOI is scanned, films are arranged between the plates, OK plates and NG plates are placed together, each plate is manually subjected to VRS maintenance and confirmation, the OK plates and the NG plates are separated, the automation degree is low, meanwhile, the condition of products is easy to be disordered, and the NG plates are used as OK plates to flow to a later procedure to cause the rejection problem of finished products.
Aiming at the situation, before inner layer pretreatment, a person skilled in the art thinks that a coding machine is used for coding information two-dimensional codes at the edges of a core plate, after coding, the core plate normally carries out the steps of inner layer pretreatment, film coating, exposure, development, etching, film stripping and the like, after film stripping, an AOI scanner is used for scanning to judge whether the core plate is qualified or not, and the distinction and the diversion of a qualified core plate and an unqualified core plate are realized according to the two-dimensional codes at the edges of the core plate.
However, the method still has some defects found by practical application of the technicians in the field, and obviously, when the information two-dimensional code is printed on the edges of the core plates, the technicians are required to manually place each core plate at the printing position, after the printing is finished, the technicians are required to manually remove each core plate and repeatedly place the next core plate, the operation is complex and not consistent enough, meanwhile, the specific placement position of the core plate can only be judged by the technicians according to experience, and the situation that the accuracy of the printing position is low and the recognition difficulty of the subsequent two-dimensional code is increased exists, so that the method is not effectively applicable to the industrialized production of the PCB.
Therefore, it is necessary to invent an on-line automatic board separation method after inner layer AOI scanning to solve the above problems.
Disclosure of Invention
The invention aims to provide an online automatic board separation method after inner-layer AOI scanning, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: an online automatic board separation method after inner layer AOI scanning specifically comprises the following steps:
s1, before inner layer pretreatment, a continuous positioning coding device is used for coding a two-dimensional code on the side of a core board, wherein two-dimensional code information comprises model, version number, level, work order and serial number information, and the two-dimensional code information is used as a distinguishing mark of a current core board and other core boards;
s2, after the core board is coded, inner layer pretreatment, film coating, exposure, development, etching and film stripping are sequentially carried out, and after the film stripping, the core board is scanned by an AOI scanner;
S3, when the AOI scanner scans, each core plate is endowed with a number according to the production sequence, meanwhile, the two-dimensional code of the plate edge of the core plate is read, the number of the core plate is bound with the two-dimensional code of the plate, the scanning result of the core plate, the corresponding number and the two-dimensional code information are transmitted to a reinspection computer after the scanning is finished, and the plate edge is sprayed with production time, line number and plate number;
s4, after receiving the core plate numbers and the defect information transmitted by the scanner, the reinspection computer confirms the defects block by a reinspection staff, judges OK if the standards are met, judges NG if the standards are not met, and transmits the results to the background in a database on the server in a one-to-one correspondence manner;
S5, reading the two-dimensional codes of the edges of the core plates through the camera before plate collection, screening and matching in a background database through two-dimensional code information, confirming whether the plate is an OK plate or an NG plate, sending a matching result to the plate collection machine, grabbing the plate collection machine to an OK station if the plate collection machine is judged to be the OK plate, grabbing the plate collection machine to the NG station if the plate collection machine is judged to be the NG plate, and completing plate separation;
S6, the OK boards after the boards are separated are not separated by films and are directly and automatically transported to a post to be matched by an AGV to be matched, the NG boards are transported to a VRS maintenance post to be checked by maintenance staff one by one, if the maintenance conditions are met, the maintenance is carried out, and if the maintenance conditions are not met, the scrapping treatment is carried out.
Preferably, in the step S5, if the two-dimensional code fails to be read or the transmission information of the recheck computer is not received, the plate is grabbed to the NG station.
Preferably, the continuous positioning coding device in the step S1 comprises a core plate conveying belt, a longitudinal positioning groove for positioning the core plate front and back is formed in the core plate conveying belt, a frame is arranged outside the core plate conveying belt, a coding triggering mechanism is fixedly nested in the top of the frame, an air inlet driving mechanism is fixedly arranged at the bottom of the inner side of the frame, a lifting mechanism is connected to the top of the air inlet driving mechanism in a transmission manner, the lifting mechanism is positioned at the inner side of the core plate conveying belt, and positioning dust removing mechanisms are respectively nested in a sliding manner on two sides of the top of the lifting mechanism.
Preferably, the coding triggering mechanism comprises a mounting seat, a triggering plate and a laser coding machine;
The fixed nest of mount pad sets up in the frame top, trigger plate is fixed to be cup jointed and is set up in mount pad outside bottom, the laser coding machine is fixed to be set up in the mount pad inboard.
Preferably, the air inlet driving mechanism comprises a mounting plate, a driving shaft, a driving motor, a transmission gear, an air inlet pipe, a threaded sleeve, a guide plate and a guide rod;
The mounting plate is fixedly arranged at the bottom of the inner side of the frame, the driving shaft penetrates through the mounting plate and is rotationally connected with the mounting plate through a bearing, the driving motor is fixedly arranged at the right side of the bottom of the mounting plate, two transmission gears are arranged, the driving shaft is in transmission connection with the driving motor through two transmission gears, the air inlet pipe is rotationally connected to the bottom end of the driving shaft through a rotary joint, the threaded sleeve is sleeved on the outer side of the driving shaft and is in threaded connection with the driving shaft, the guide plate is fixedly sleeved on the bottom of the outer side of the threaded sleeve, two guide rods are arranged, and the two guide rods respectively and slidably penetrate through the two sides of the top of the guide plate and are fixedly connected with the mounting plate.
Preferably, the lifting mechanism comprises a lifting plate, a first spring, a limiting plate, a limiting block, a sliding tube and a second spring;
The utility model discloses a screw sleeve pipe, including screw sleeve pipe, fixed sleeve pipe, limiting plate, first spring, second spring, limiting plate, sliding tube bottom slip nest and set up in the drive shaft is inboard, first spring is fixed sleeve pipe is connected in screw sleeve outside top, first spring and limiting plate all are provided with two, two first spring is fixed connection respectively in lifting plate inside both sides, and respectively with adjacent location dust removal mechanism fixed connection, two the limiting plate is fixed respectively to be set up in two location dust removal mechanism inboards, the stopper is located between two limiting plates, the sliding tube runs through and sets up in the stopper and rotate with the stopper through the bearing and be connected, sliding tube bottom slip nest sets up in the drive shaft inboard, the second spring is cup jointed and is set up in the sliding tube outside and is located between drive shaft and the stopper.
Preferably, the positioning dust removing mechanism comprises a clamping plate, an outer dust removing hole, an air inlet opening, an annular mounting block, a third spring, a lifting plate and an inner dust removing hole;
The clamping plate sliding nest is arranged at the top of the lifting plate, the first springs and the limiting plates are fixedly connected with the adjacent clamping plates, the outer dust removing holes and the air inlet openings are sequentially formed in the bottom of the inner side of the clamping plate from top to bottom, the annular mounting block is fixedly arranged at the middle of the inner side of the clamping plate, the third springs are fixedly connected at the top of the annular mounting block, the lifting plate sliding nest is arranged at the top of the clamping plate and fixedly connected with the third springs, and the inner dust removing holes are formed in the middle of the inner side of the lifting plate.
The invention also provides a using method of the continuous positioning coding equipment, which comprises the following steps:
S1, sequentially placing a plurality of core plates on the inner sides of longitudinal positioning grooves at the top of a core plate conveyor belt, positioning the core plates back and forth after placement is completed, conveying the core plates by the core plate conveyor belt, and driving a driving shaft to rotate by a driving motor through a transmission gear when the core plates move to the upper part of a lifting mechanism, and continuously lifting a threaded sleeve guided by a guide plate and a guide rod when the driving shaft rotates;
s2, driving the lifting plate to synchronously lift in the lifting process of the threaded sleeve, wherein the compressed second spring is reset relatively at the moment, when the lifting distance of the lifting plate reaches a first threshold value, the top of the lifting plate is contacted with the top of the core plate at the moment, and the lifting plate starts to lift the core plate upwards along with the continuous lifting of the lifting plate;
S3, when the lifting distance of the lifting plate reaches a second threshold value, the second springs are completely reset, the second springs drive the limiting blocks to relatively descend along with the continuous lifting of the lifting plate, the limiting blocks gradually release the limiting of the limiting plates, then the two first springs respectively push the two clamping plates to slide towards the directions close to each other, when the lifting distance of the lifting plate reaches a third threshold value, the two clamping plates respectively push the core plates from two sides, so that the left and right positioning of the core plates is realized, and in addition, a closed space is formed in the middle of the inner cavity of the lifting plate due to the sliding of the two clamping plates;
S4, when the lifting distance of the lifting plate reaches a fourth threshold value, the lifting plate drives the core plate to move out of the inner side of the longitudinal positioning groove, the core plate is positioned front and back and left and right at the moment, the top of the lifting plate is contacted with the bottom of the triggering plate, and then when the lifting plate continues to lift, the triggering plate starts to press down the lifting plate;
S5, when the lifting plate lifting distance reaches a fifth threshold value, the inner dust removing holes are collinearly with the outer dust removing holes along with the descending of the lifting plate, air in a closed space in the inner cavity of the core plate conveyor belt is input into the clamping plate through the driving shaft and the sliding pipe by the air inlet pipe, then the air is emitted to the code printing area at the top of the core plate through the inner dust removing holes and the outer dust removing holes, and foreign matters in the code printing area are removed;
S6, when the lifting distance of the lifting plate reaches a sixth threshold value, the lifting plate drives the core plate to reach a coding station, then the laser coding machine finishes coding of the two-dimensional code at the top of the core plate, finally the driving motor drives the driving shaft to reversely rotate through the transmission gear, so that the threaded sleeve drives the lifting plate to descend, the core plate which finishes coding of the two-dimensional code is driven to fall on the inner side of a longitudinal positioning groove at the top of the core plate conveyor belt again after the lifting plate descends, the core plate conveyor belt outputs the core plate which is processed, the core plate to be processed subsequently moves to the top of the lifting mechanism after the current core plate is output, and the operations are repeated to continuously perform coding.
The invention has the technical effects and advantages that:
According to the invention, the code printing triggering mechanism, the air inlet driving mechanism, the lifting mechanism and the positioning dust removing mechanism are arranged, so that the core plate conveyor belt can conveniently complete front and back positioning and continuous conveying of the core plate, then the air inlet driving mechanism is used for driving the lifting mechanism, so that the core plate is lifted by the air inlet driving mechanism, the positioning dust removing mechanism is driven to complete left and right positioning of the core plate, the code printing triggering mechanism is used for triggering the lifting mechanism along with continuous lifting of the lifting mechanism, further cleaning of a two-dimensional code printing area of the core plate is completed, and finally the code printing triggering mechanism is used for completing plate edge code printing of the core plate after the core plate is conveyed to the printing area by the lifting mechanism.
Drawings
Fig. 1 is a schematic view of the overall front cross-sectional structure of the present invention.
Fig. 2 is a schematic diagram of a front cross-sectional structure of the coding trigger mechanism of the present invention.
Fig. 3 is a schematic diagram of a front cross-sectional structure of an intake driving mechanism of the present invention.
Fig. 4 is a schematic diagram of a front cross-sectional structure of a lifting mechanism of the present invention.
Fig. 5 is a schematic diagram of a front cross-sectional structure of the positioning dust removing mechanism of the present invention.
In the figure: 1. a core plate conveyor belt; 2. a longitudinal positioning groove; 3. a frame; 4. a code printing trigger mechanism; 41. a mounting base; 42. a trigger plate; 43. a laser coding machine; 5. an intake driving mechanism; 51. a mounting plate; 52. a drive shaft; 53. a driving motor; 54. a transmission gear; 55. an air inlet pipe; 56. a threaded sleeve; 57. a guide plate; 58. a guide rod; 6. a lifting mechanism; 61. a lifting plate; 62. a first spring; 63. a limiting plate; 64. a limiting block; 65. a sliding tube; 66. a second spring; 7. positioning a dust removing mechanism; 71. a clamping plate; 72. an outer dust removal hole; 73. an air inlet opening; 74. an annular mounting block; 75. a third spring; 76. a lifting plate; 77. an inner dust removing hole.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
The invention provides an online automatic board separation method after inner layer AOI scanning, which is shown in figures 1-5, and specifically comprises the following steps:
s1, before inner layer pretreatment, a continuous positioning coding device is used for coding a two-dimensional code on the side of a core board, wherein two-dimensional code information comprises model, version number, level, work order and serial number information, and the two-dimensional code information is used as a distinguishing mark of a current core board and other core boards;
s2, after the core board is coded, inner layer pretreatment, film coating, exposure, development, etching and film stripping are sequentially carried out, and after the film stripping, the core board is scanned by an AOI scanner;
S3, when the AOI scanner scans, each core plate is endowed with a number according to the production sequence, meanwhile, the two-dimensional code of the plate edge of the core plate is read, the number of the core plate is bound with the two-dimensional code of the plate, the scanning result of the core plate, the corresponding number and the two-dimensional code information are transmitted to a reinspection computer after the scanning is finished, and the plate edge is sprayed with production time, line number and plate number;
s4, after receiving the core plate numbers and the defect information transmitted by the scanner, the reinspection computer confirms the defects block by a reinspection staff, judges OK if the standards are met, judges NG if the standards are not met, and transmits the results to the background in a database on the server in a one-to-one correspondence manner;
s5, reading the two-dimensional codes of the edges of the core plates by a camera before plate collection, screening and matching in a background database through two-dimensional code information, confirming whether the plate is an OK plate or an NG plate, sending a matching result to a plate collection machine, grabbing the plate collection machine to an OK station if the plate collection machine is judged to be the OK plate, grabbing the plate collection machine to the NG station if the plate collection machine is judged to be the NG plate, completing plate separation, and grabbing the plate to the NG station if the two-dimensional code is failed to read or the transmission information of a recheck computer is not received;
S6, the OK boards after the boards are separated are not separated by films and are directly and automatically transported to a post to be matched by an AGV to be matched, the NG boards are transported to a VRS maintenance post to be checked by maintenance staff one by one, if the maintenance conditions are met, the maintenance is carried out, and if the maintenance conditions are not met, the scrapping treatment is carried out.
Examples
As shown in fig. 1, the continuous positioning coding device in S1 includes a core plate conveyor belt 1, a longitudinal positioning groove 2 for positioning the core plate front and back is provided on the core plate conveyor belt 1, a frame 3 is provided on the outer side of the core plate conveyor belt 1, a coding trigger mechanism 4 is fixedly nested on the top of the frame 3, an air inlet driving mechanism 5 is fixedly provided on the bottom of the inner side of the frame 3, a lifting mechanism 6 is connected to the top transmission of the air inlet driving mechanism 5, the lifting mechanism 6 is located on the inner side of the core plate conveyor belt 1, and positioning dust removing mechanisms 7 are respectively and slidably nested on two sides of the top of the lifting mechanism 6.
As shown in fig. 2, the code printing triggering mechanism 4 includes a mounting seat 41, a triggering plate 42 and a laser code printing machine 43, wherein the mounting seat 41 is fixedly nested and arranged at the top of the frame 3, the triggering plate 42 is fixedly sleeved and arranged at the bottom of the outer side of the mounting seat 41, and the laser code printing machine 43 is fixedly arranged at the inner side of the mounting seat 41.
As shown in fig. 3, the air intake driving mechanism 5 includes a mounting plate 51, a driving shaft 52, a driving motor 53, a transmission gear 54, an air intake pipe 55, a threaded sleeve 56, a guide plate 57 and a guide rod 58, wherein, the mounting plate 51 is fixedly arranged at the bottom of the inner side of the frame 3, the driving shaft 52 penetrates through the mounting plate 51 and is rotationally connected with the mounting plate 51 through a bearing, the driving motor 53 is fixedly arranged at the right side of the bottom of the mounting plate 51, the transmission gear 54 is provided with two driving shafts 52 and are in transmission connection with the driving motor 53 through two transmission gears 54, the air intake pipe 55 is rotationally connected at the bottom of the driving shaft 52 through a rotary joint, the threaded sleeve 56 is sleeved and arranged at the outer side of the driving shaft 52 and is in threaded connection with the driving shaft 52, the guide plate 57 is fixedly sleeved and arranged at the bottom of the outer side of the threaded sleeve 56, the guide rod 58 is provided with two guide rods 58 respectively and slidably penetrating through the two sides of the top of the guide plate 57 and are fixedly connected with the mounting plate 51.
By providing the above structure, the driving motor 53 drives the driving shaft 52 to rotate through the transmission gear 54, and the driving shaft 52 drives the threaded sleeve 56 guided by the guide plate 57 and the guide rod 58 to continuously rise when rotating, and simultaneously the air inlet pipe 55 continuously inputs air flow into the driving shaft 52.
As shown in fig. 4, the lifting mechanism 6 includes a lifting plate 61, a first spring 62, a limiting plate 63, a limiting block 64, a sliding tube 65 and a second spring 66, wherein the lifting plate 61 is fixedly sleeved on the top of the outer side of the threaded sleeve 56, the first spring 62 and the limiting plate 63 are both provided with two springs, the two first springs 62 are respectively fixedly connected to two sides of the inner side of the lifting plate 61 and are respectively fixedly connected with the adjacent positioning dust removing mechanisms 7, the two limiting plates 63 are respectively fixedly arranged on the inner sides of the two positioning dust removing mechanisms 7, the limiting block 64 is located between the two limiting plates 63, the sliding tube 65 penetrates through the limiting block 64 and is rotatably connected with the limiting block 64 through a bearing, the bottom end of the sliding tube 65 is slidably nested on the inner side of the driving shaft 52, and the second spring 66 is sleeved on the outer side of the sliding tube 65 and is located between the driving shaft 52 and the limiting block 64.
Through setting up above-mentioned structure for drive lift plate 61 synchronous rise when screw sleeve 56 rises, the second spring 66 that is compressed is relative to reset this moment, when lift plate 61 rises the distance and reaches first threshold, lift plate 61 top and core top contact this moment, follow-up along with lift plate 61 continues to rise, lift plate 61 begins to lift the core upwards, and when lift plate 61 rises the distance and reaches the second threshold, second spring 66 is complete reset this moment, follow-up along with lift plate 61 continues to rise, second spring 66 drives stopper 64 and descends relatively, stopper 64 releases the spacing to limiting plate 63 gradually this moment, then under the promotion of first spring 62, two location dust removal mechanisms 7 can promote the location to the core by the core both sides respectively.
As shown in fig. 5, the positioning dust removing mechanism 7 includes a clamping plate 71, an outer dust removing hole 72, an air inlet opening 73, an annular mounting block 74, a third spring 75, a lifting plate 76 and an inner dust removing hole 77, wherein the clamping plate 71 is slidably nested to be arranged at the top of the lifting plate 61, the first spring 62 and the limiting plate 63 are fixedly connected with the adjacent clamping plate 71, the outer dust removing hole 72 and the air inlet opening 73 are sequentially opened at the bottom of the inner side of the clamping plate 71 from top to bottom, the annular mounting block 74 is fixedly arranged at the middle of the inner side of the clamping plate 71, the third spring 75 is fixedly connected at the top of the annular mounting block 74, the lifting plate 76 is slidably nested to be arranged at the top of the clamping plate 71 and is fixedly connected with the third spring 75, and the inner dust removing hole 77 is opened at the middle of the inner side of the lifting plate 76.
Through setting up above-mentioned structure to drive interior dust removal hole 77 downwardly sliding after the lifter plate 76 is pressed, and then make interior dust removal hole 77 gradually with outer dust removal hole 72 collineation, intake pipe 55 then through drive shaft 52 and slide pipe 65 input the gas of the confined space in the inner chamber of core conveyer belt 1 then can enter into grip block 71 inside through air inlet opening 73, later through interior dust removal hole 77 and outer dust removal hole 72 the shooting core top beat the sign indicating number region, and then to beat the sign indicating number region and carry out the foreign matter and clear away.
Examples
The invention also provides a using method of the continuous positioning coding equipment, which comprises the following steps:
S1, sequentially placing a plurality of core plates on the inner side of a longitudinal positioning groove 2 at the top of a core plate conveyor belt 1, positioning the core plates back and forth after the placement is completed, conveying the core plates by the core plate conveyor belt 1, driving a driving shaft 52 to rotate by a driving motor 53 through a driving gear 54 when the core plates move above a lifting mechanism 6, and driving a threaded sleeve 56 guided by a guide plate 57 and a guide rod 58 to continuously rise when the driving shaft 52 rotates;
s2, driving the lifting plate 61 to synchronously lift in the lifting process of the threaded sleeve 56, wherein the compressed second springs 66 are reset relatively, when the lifting distance of the lifting plate 61 reaches a first threshold value, the top of the lifting plate 61 is contacted with the top of the core plate, and the core plate is lifted upwards by the lifting plate 61 along with the continuous lifting of the lifting plate 61;
S3, when the lifting distance of the lifting plate 61 reaches a second threshold value, the second spring 66 is completely reset, the limiting block 64 is driven by the second spring 66 to relatively descend along with the continuous lifting of the lifting plate 61, the limiting block 64 gradually releases the limiting of the limiting plate 63, then the two first springs 62 respectively push the two clamping plates 71 to slide towards each other, when the lifting distance of the lifting plate 61 reaches a third threshold value, the two clamping plates 71 respectively push the core plate from two sides, so that the core plate is positioned left and right, and in addition, due to the sliding of the two clamping plates 71, a closed space is formed in the middle of the inner cavity of the lifting plate 61;
s4, when the lifting distance of the lifting plate 61 reaches a fourth threshold value, the lifting plate 61 drives the core plate to move out of the inner side of the longitudinal positioning groove 2, the core plate is positioned front and back and left and right, the top of the lifting plate 76 is contacted with the bottom of the triggering plate 42, and then when the lifting plate 61 continues to lift, the triggering plate 42 starts to press down the lifting plate 76;
S5, when the rising distance of the lifting plate 61 reaches a fifth threshold value, the inner dedusting holes 77 are in line with the outer dedusting holes 72 along with the descending of the lifting plate 76, the air in the closed space, which is input into the inner cavity of the core plate conveyor belt 1 through the driving shaft 52 and the sliding tube 65, of the air inlet pipe 55 enters the clamping plate 71 through the air inlet opening 73, and then the air is emitted to the code printing area at the top of the core plate through the inner dedusting holes 77 and the outer dedusting holes 72, so that foreign matters in the code printing area are removed;
And S6, when the lifting distance of the lifting plate 61 reaches a sixth threshold value, the lifting plate 61 drives the core plate to reach a coding station at the moment, then the laser coding machine 43 finishes coding of the two-dimension codes at the top of the core plate, finally the driving motor 53 drives the driving shaft 52 to reversely rotate through the transmission gear 54, so that the threaded sleeve 56 drives the lifting plate 61 to descend, the lifting plate 61 drives the core plate finished with the two-dimension code coding to fall on the inner side of the longitudinal positioning groove 2 at the top of the core plate conveyor belt 1 again after descending, the core plate conveyor belt 1 outputs the core plate finished with the processing, the core plate to be processed subsequently moves to the top of the lifting mechanism 6 after outputting the current core plate, and the operation is repeated to continuously perform coding.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (3)
1. An online automatic board separation method after inner layer AOI scanning is characterized by comprising the following steps:
Step one, before inner layer pretreatment, a continuous positioning coding device is used for coding a two-dimensional code on the side of a core board, wherein the two-dimensional code information comprises model, version number, level, work order and serial number information, and is used as a distinguishing mark of a current core board and other core boards;
Sequentially performing inner layer pretreatment, film coating, exposure, development, etching and film stripping after the core board is coded, and scanning the core board through an AOI scanner after the film stripping;
step three, when the AOI scanner scans, each core plate is endowed with a number according to the production sequence, meanwhile, the two-dimensional code of the plate edge of the core plate is read, the number of the core plate is bound with the two-dimensional code of the plate, the scanning result of the core plate, the corresponding number and the two-dimensional code information are transmitted to a reinspection computer after the scanning is finished, and the plate edge is sprayed with production time, line number and plate number;
Step four, after receiving the core plate number and defect information transmitted by the scanner, the reinspection computer confirms the defects block by reinspectors, judges OK if the standards are met, judges NG if the standards are not met, and transmits the results to the background and stores the results in a database on the server;
Step five, reading the two-dimensional codes of the edges of the core plates by a camera before plate collection, screening and matching in a background database according to the two-dimensional code information, confirming whether the plate is an OK plate or an NG plate, sending a matching result to a plate collection machine, grabbing the plate collection machine to an OK station if the plate collection machine is judged to be the OK plate, grabbing the plate collection machine to the NG station if the plate collection machine is judged to be the NG plate, and completing plate separation;
step six, the OK boards after board separation are not separated by films and are directly and automatically transported to a post to be matched by an AGV to be matched, the NG boards are transported to a VRS maintenance post to be checked by maintenance staff one by one, if the maintenance conditions are met, the maintenance is carried out, and if the maintenance conditions are not met, the scrapping treatment is carried out;
in the S5, if the two-dimensional code is read failure or the transmission information of the recheck computer is not received, the plate is grabbed to the NG station;
the continuous positioning coding equipment in the S1 comprises a core plate conveying belt (1), wherein a longitudinal positioning groove (2) for positioning the core plate front and back is formed in the core plate conveying belt (1), a frame (3) is arranged on the outer side of the core plate conveying belt (1), a coding triggering mechanism (4) is fixedly nested at the top of the frame (3), an air inlet driving mechanism (5) is fixedly arranged at the bottom of the inner side of the frame (3), a lifting mechanism (6) is connected to the top of the air inlet driving mechanism (5) in a transmission manner, the lifting mechanism (6) is positioned at the inner side of the core plate conveying belt (1), and positioning dust removing mechanisms (7) are slidably nested at two sides of the top of the lifting mechanism (6);
The coding triggering mechanism (4) comprises a mounting seat (41), a triggering plate (42) and a laser coding machine (43);
The mounting seat (41) is fixedly nested at the top of the frame (3), the trigger plate (42) is fixedly sleeved at the bottom of the outer side of the mounting seat (41), and the laser coding machine (43) is fixedly arranged at the inner side of the mounting seat (41);
The air inlet driving mechanism (5) comprises a mounting plate (51), a driving shaft (52), a driving motor (53), a transmission gear (54), an air inlet pipe (55), a threaded sleeve (56), a guide plate (57) and a guide rod (58);
The mounting plate (51) is fixedly arranged at the bottom of the inner side of the frame (3), the driving shaft (52) penetrates through the mounting plate (51) and is rotationally connected with the mounting plate (51) through a bearing, the driving motor (53) is fixedly arranged on the right side of the bottom of the mounting plate (51), two transmission gears (54) are arranged, the driving shaft (52) is in transmission connection with the driving motor (53) through the two transmission gears (54), the air inlet pipe (55) is rotationally connected to the bottom of the driving shaft (52) through a rotary joint, the threaded sleeve (56) is sleeved on the outer side of the driving shaft (52) and is in threaded connection with the driving shaft (52), the guide plate (57) is fixedly sleeved on the bottom of the outer side of the threaded sleeve (56), the guide rods (58) are two, and the two guide rods (58) are respectively and slidably arranged on the two sides of the top of the guide plate (57) and are fixedly connected with the mounting plate (51).
The lifting mechanism (6) comprises a lifting plate (61), a first spring (62), a limiting plate (63), a limiting block (64), a sliding tube (65) and a second spring (66);
The utility model discloses a sliding tube, including screw sleeve (56) and fixed plate (63), lift board (61) is fixed to be cup jointed and is set up in screw sleeve (56) outside top, first spring (62) and limiting plate (63) all are provided with two, two first spring (62) are fixed connection respectively in lift board (61) inside both sides, and respectively with adjacent location dust removal mechanism (7) fixed connection, two limiting plate (63) are fixed respectively and are set up in two location dust removal mechanism (7) inboardly, stopper (64) are located between two limiting plate (63), sliding tube (65) run through and set up in stopper (64) and rotate with stopper (64) through the bearing, sliding tube (65) bottom slip nestification sets up in drive shaft (52) inboard, second spring (66) cup joint set up in sliding tube (65) outside and be located between drive shaft (52) and the stopper (64).
2. The online automatic board separation method after inner layer AOI scanning according to claim 1, wherein the method comprises the following steps: the positioning dust removing mechanism (7) comprises a clamping plate (71), an outer dust removing hole (72), an air inlet opening (73), an annular mounting block (74), a third spring (75), a lifting plate (76) and an inner dust removing hole (77);
Clamping plate (71) slip nestification is set up in lifting plate (61) top, first spring (62) and limiting plate (63) all with adjacent clamping plate (71) fixed connection, outer dust removal hole (72) and air inlet opening (73) top-down are seted up in proper order and are located clamping plate (71) inboard bottom, annular installation piece (74) is fixed to be set up in clamping plate (71) inboard middle part, third spring (75) fixed connection is in annular installation piece (74) top, lifting plate (76) slip nestification sets up in clamping plate (71) top and with third spring (75) fixed connection, interior dust removal hole (77) are seted up in lifting plate (76) inboard middle part.
3. The online automatic board separation method after inner layer AOI scanning according to claim 2, which is characterized by comprising the following steps:
S1, sequentially placing a plurality of core plates on the inner side of a longitudinal positioning groove (2) at the top of a core plate conveyor belt (1), positioning the core plates front and back after placement is completed, conveying the core plates by the core plate conveyor belt (1), driving a driving shaft (52) to rotate by a driving motor (53) through a transmission gear (54) when the core plates move to the position above a lifting mechanism (6), and continuously lifting a threaded sleeve (56) guided by a guide plate (57) and a guide rod (58) when the driving shaft (52) rotates;
S2, driving the lifting plate (61) to synchronously lift in the lifting process of the threaded sleeve (56), wherein the compressed second spring (66) is reset relatively at the moment, when the lifting distance of the lifting plate (61) reaches a first threshold value, the top of the lifting plate (61) is contacted with the top of the core plate at the moment, and then the lifting plate (61) starts to lift the core plate upwards along with the continuous lifting of the lifting plate (61);
S3, when the lifting plate (61) lifting distance reaches a second threshold value, the second springs (66) are completely reset at the moment, the second springs (66) drive the limiting blocks (64) to relatively descend along with the continuous lifting of the lifting plate (61), the limiting blocks (64) gradually release the limiting of the limiting plates (63) at the moment, then the two first springs (62) respectively push the two clamping plates (71) to slide towards the directions close to each other, when the lifting plate (61) lifting distance reaches a third threshold value, the two clamping plates (71) respectively push the core plates from two sides, so that the core plates are positioned left and right, and in addition, due to the sliding of the two clamping plates (71), the middle part of the inner cavity of the lifting plate (61) forms a closed space;
S4, when the lifting distance of the lifting plate (61) reaches a fourth threshold value, the lifting plate (61) drives the core plate to move out of the inner side of the longitudinal positioning groove (2), the core plate is positioned front and back and left and right at the moment, the top of the lifting plate (76) is contacted with the bottom of the trigger plate (42), and then when the lifting plate (61) continues to lift, the trigger plate (42) starts to press down the lifting plate (76);
S5, when the rising distance of the lifting plate (61) reaches a fifth threshold value, at the moment, the inner dedusting holes (77) are collinearly aligned with the outer dedusting holes (72) along with the falling of the lifting plate (76), air in the closed space in the inner cavity of the core plate conveyor belt (1) is input into the clamping plate (71) through the driving shaft (52) and the sliding pipe (65) by the air inlet pipe (55), and then the air enters the coding area at the top of the core plate through the inner dedusting holes (77) and the outer dedusting holes (72), so that foreign matters in the coding area are removed;
S6, when the lifting distance of the lifting plate (61) reaches a sixth threshold value, the lifting plate (61) drives the core plate to reach a coding station, then the laser coding machine (43) finishes coding of the two-dimensional codes at the top of the core plate, finally the driving motor (53) drives the driving shaft (52) to reversely rotate through the transmission gear (54), the threaded sleeve (56) drives the lifting plate (61) to descend, the lifting plate (61) descends and then drives the core plate which finishes coding of the two-dimensional codes to fall on the inner side of the longitudinal positioning groove (2) at the top of the core plate conveyor belt (1) again, the core plate conveyor belt (1) outputs the core plate which finishes processing, the core plate to be processed subsequently moves to the top of the lifting mechanism (6) after the current core plate is output, and the operation is repeated continuously.
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