CN109168259B - Reworking method of small finished PCS (process control system) board - Google Patents
Reworking method of small finished PCS (process control system) board Download PDFInfo
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- CN109168259B CN109168259B CN201811113151.2A CN201811113151A CN109168259B CN 109168259 B CN109168259 B CN 109168259B CN 201811113151 A CN201811113151 A CN 201811113151A CN 109168259 B CN109168259 B CN 109168259B
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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
- H05K3/0011—Working of insulating substrates or insulating layers
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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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
- H05K2203/025—Abrading, e.g. grinding or sand blasting
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- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a reworking method of a finished small PCS plate, which comprises the following steps: comprises the following steps: s1, manufacturing a rework tray, namely processing a scrapped plate or an overdue plate to obtain a bottom plate, and then fixedly arranging four baffle strips which are connected end to end around the bottom plate, wherein the four baffle strips surround to form a rectangular baffle edge, and the baffle edge and the bottom plate form the rework tray; s2, a rework method: placing the finished small PCS plates between the flanges before reworking, and enabling the finished small PCS plates to be arranged in order, and enabling the edges of the finished small PCS plates arranged on the outermost sides to be tightly attached to the edges of the inner sides of the flanges; then, carrying out plate grinding treatment on the arranged finished small PCS plates by using a plate grinding machine, and turning over the finished small PCS plates to carry out the plate grinding treatment in the steps after one surface of each finished small PCS plate is treated by the plate grinding machine; s3, cleaning: and cleaning and drying the finished small PCS plate with the two surfaces subjected to plate grinding by using an air gun. The invention has simple and rapid manufacturing process, strong adaptability and low manufacturing cost.
Description
Technical Field
The invention relates to the field of circuit boards, in particular to a reworking method of a small finished PCS (process control system) board.
Background
The invention is applied to the grinding plate reworking of the finished product small PCS plate with the plate thickness of more than or equal to 2.0mm, the grinding plate reworking of the existing finished product small PCS plate needs to manufacture a special fixing mold for fixing the finished product small PCS plate to carry out plate grinding operation, the finished product small PCS plates with different specifications need fixing molds with different specifications due to the different sizes of the finished product small PCS plates with different specifications, and the existing fixing mold is troublesome to manufacture and high in manufacturing cost.
Disclosure of Invention
In view of the above, there is a need for a method for reworking a finished small PCS plate, comprising the steps of:
s1, manufacturing a rework tray, namely processing scrapped plates or overdue plates according to the size and the number of finished small PCS plates needing to be reworked to obtain a bottom plate, wherein the size of the bottom plate is not more than the maximum size of the plates allowed to be ground by the plate grinding machine; then fixedly arranging four baffle strips which are connected end to end on the periphery of the bottom plate, wherein the four baffle strips surround to form a rectangular baffle edge, the thickness of the rectangular baffle edge does not exceed the thickness of the finished small PCS plates, the size of the baffle edge is determined according to the size and the number of the finished small PCS plates needing to be reworked, and the baffle edge and the bottom plate form a reworking tray;
the thickness of the flange is not more than that of the finished small PCS plate, so that the plate grinding machine can grind the finished small PCS plate conveniently, and in addition, the waste materials are effectively recycled by using a bottom plate made of a waste reporting plate or an overdue plate, so that the production cost is reduced.
S2, a rework method: placing the finished small PCS plates between the flanges before reworking, and enabling the finished small PCS plates to be arranged in order, wherein the finished small PCS plates are tightly abutted, and the edge of the finished small PCS plate arranged on the outermost side is enabled to be tightly attached to the edge of the inner side of the flange; then, carrying out plate grinding treatment on the arranged finished small PCS plates by using a plate grinding machine, and turning over the finished small PCS plates to carry out the plate grinding treatment in the steps after one surface of each finished small PCS plate is treated by the plate grinding machine;
the small PCS plates of the finished products are closely arranged between the flanges in a close-phase manner, so that the small PCS plates of the finished products can be fixed between the flanges, and the plate grinding machine can conveniently grind the small PCS plates of the finished products.
S3, cleaning: and cleaning and drying the finished small PCS plate with the two surfaces subjected to plate grinding by using an air gun.
The finished small PCS plate after being ground by the air gun is cleaned, and foreign matters on the surface of the finished small PCS plate can be removed.
Preferably, in step S1, the edges of the scrapped plates or expired plates are cut to obtain a rectangular bottom plate, and the thickness of the bottom plate is greater than or equal to 0.8 mm.
The edge of the scrapped plate or the overdue plate is cut to obtain a bottom plate with a flat edge, and the strength of the bottom plate with the thickness of more than or equal to 0.8mm is enough to ensure the smooth operation of the plate grinding process.
Preferably, the thickness of the barrier strip is more than or equal to 1.0 mm, and the width of the barrier strip is more than or equal to 2.0 mm.
The barrier strip with the thickness of more than or equal to 1.0 mm and the width of more than or equal to 2.0mm has enough strength, and can avoid the influence on the plate grinding process caused by the extrusion deformation of the finished small PCS plate in the plate grinding process.
Preferably, the length of the bottom plate is longer than the total length of all the finished small PCS plates arranged in the same horizontal row, and the width of the bottom plate is wider than the total width of all the finished small PCS plates arranged in the same vertical row.
The bottom plate with the area larger than the total area of the finished small PCS plates which are arranged orderly can effectively play a role in supporting the finished small PCS plates.
Preferably, the distance between the two vertically arranged bars is equal to the total length of all the finished small PCS plates arranged in the same horizontal row, and the distance between the two horizontally arranged bars is equal to the total width of all the finished small PCS plates arranged in the same vertical row.
The finished small PCS plates which are orderly arranged are just embedded into the flanges and fixed on the rework tray by the flanges, so that the plate grinding machine can conveniently grind the finished small PCS plates.
Preferably, the edge of one vertical finished small PCS plate in the two vertical finished small PCS plates arranged at the outermost side is tightly attached to the inner side edge of the flange; the edge of the PCS plate of one transverse row of the two transverse rows of finished small PCS plates arranged at the outermost side is tightly attached to the inner side edge of the flange.
The vertical edge and the transverse edge of one side of the finished small PCS plate which is orderly arranged are tightly attached to the inner side edge of the retaining side, and the vertical edge and the transverse edge of the other side of the finished small PCS plate can have a certain distance from the inner side edge of the retaining side, so that the small PCS plate which is made into a piece can be placed into the retaining side conveniently.
Preferably, in step S3, the finished small PCS plate may be cleaned by soaking in alcohol and then drying.
The alcohol can wipe off the stains on the surface of the circuit board, is volatile and quick to dry, is insoluble in the alcohol during spray painting of the circuit board, cannot fall off due to cleaning of the alcohol, and does not contain electrolyte and cannot affect the circuit structure of the finished small PCS board.
Preferably, the barrier strip is adhered to the bottom plate through a double-sided adhesive tape.
The barrier strips can be quickly fixed on the bottom plate by using the double-sided adhesive tape to form the rework tray, and the rework tray can be used immediately without waiting after being manufactured.
Further, the edge of the double-sided adhesive tape does not exceed the edge of the barrier strip.
The double-sided adhesive tape is positioned on the inner side of the barrier strip so as to prevent the double-sided adhesive tape from being stuck on a grinding brush wheel of the plate grinding machine and causing secondary pollution.
The principle and effect of the present invention will be further explained by combining the above technical solutions:
according to the invention, the scrapped PCB or the overdue PCB is processed into the bottom plate, so that the manufacturing cost of the reworked tray is effectively saved; in addition, the invention can manufacture the flanges matched with the small PCS plates according to the quantity and the size of the finished products needing to be reworked, and the flanges are adhered to the bottom plate by using double-sided adhesive, so that the manufacturing process is simple and rapid, and the adaptability is strong.
Drawings
Fig. 1 is a schematic structural diagram of a rework tray according to an embodiment of the invention.
Description of reference numerals:
1-bottom plate, 2-barrier strip and 3-finished small PCS plate.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be described in further detail below with reference to examples:
example 1
S1, manufacturing a rework tray, namely processing scrapped plates or overdue plates according to the size and the number of finished small PCS plates 3 needing to be reworked to obtain a bottom plate 1, wherein the size of the bottom plate 1 does not exceed the maximum size of the plates allowed to be ground by the plate grinding machine; then, four retaining strips 2 which are connected end to end are fixedly arranged on the periphery of the bottom plate 1, the four retaining strips 2 are enclosed to form a rectangular retaining edge, the thickness of the rectangular retaining edge is not more than that of a finished small PCS plate 3, the size of the retaining edge is determined according to the size and the number of the finished small PCS plates 3 needing reworking, and the retaining edge and the bottom plate 1 form a reworking tray;
s2, a rework method: placing the finished small PCS plates 3 between the flanges before reworking, and enabling the finished small PCS plates 3 to be arranged in order, wherein the finished small PCS plates 3 are tightly abutted, and the edges of the finished small PCS plates 3 arranged on the outermost sides are enabled to be tightly attached to the inner side edges of the flanges; then, a plate grinding machine is used for carrying out plate grinding treatment on the arranged finished small PCS plates 3, and after one surface of each finished small PCS plate 3 is treated by the plate grinding machine, each finished small PCS plate 3 is turned over to carry out the plate grinding treatment in the steps;
s3, cleaning: and cleaning and drying the finished small PCS plate 3 with both surfaces subjected to plate grinding by using an air gun.
Example 2
S1, manufacturing a rework tray, namely processing scrapped plates or overdue plates according to the size and the number of finished small PCS plates 3 needing to be reworked to obtain a bottom plate 1, wherein the size of the bottom plate 1 does not exceed the maximum size of the plates allowed to be ground by the plate grinding machine; then, adhering four barrier strips 2 to the periphery of the bottom plate 1 by using double-sided adhesive to enable the four barrier strips 2 to be connected end to end, and enclosing the four barrier strips 2 to form a rectangular barrier edge, wherein the thickness of the rectangular barrier edge is not more than that of a finished small PCS plate 3, the size of the barrier edge is determined according to the size and the number of the finished small PCS plates 3 needing reworking, and the barrier edge and the bottom plate 1 form a reworking tray;
s2, a rework method: placing the finished small PCS plates 3 between the flanges before reworking, and enabling the finished small PCS plates 3 to be arranged in order, wherein the finished small PCS plates 3 are tightly abutted, and the edges of the finished small PCS plates 3 arranged on the outermost sides are enabled to be tightly attached to the inner side edges of the flanges; then, a plate grinding machine is used for carrying out plate grinding treatment on the arranged finished small PCS plates 3, and after one surface of each finished small PCS plate 3 is treated by the plate grinding machine, each finished small PCS plate 3 is turned over to carry out the plate grinding treatment in the steps;
s3, cleaning: the finished small PCS plate 3, both sides of which were subjected to plate grinding treatment, was soaked with alcohol and then dried.
Example 3
S1, manufacturing a rework tray, namely cutting the edges of scrapped plates or overdue plates according to the size and the number of finished small PCS plates 3 needing to be reworked to obtain a rectangular bottom plate 1, wherein the thickness of the bottom plate 1 is 1mm, and the size of the bottom plate 1 does not exceed the maximum size of a grinding plate allowed by a grinding plate machine; then, four barrier strips 2 are adhered to the periphery of the bottom plate 1 by using double-faced adhesive tape to enable the four barrier strips to be connected end to end, the thickness of each barrier strip 2 is 1.2mm, the width of each barrier strip 2 is 2.4mm, the four barrier strips 2 enclose to form a rectangular barrier edge, the thickness of each rectangular barrier edge is not more than that of a finished small PCS plate 3, the size of each barrier edge is determined according to the size and the number of the finished small PCS plates 3 needing reworking, and the barrier edges and the bottom plate 1 form a reworking tray;
s2, a rework method: placing the finished small PCS plates 3 between the flanges before reworking, and enabling the finished small PCS plates 3 to be arranged in order, wherein the finished small PCS plates 3 are tightly abutted, and the edges of the finished small PCS plates 3 arranged on the outermost sides are enabled to be tightly attached to the inner side edges of the flanges; then, a plate grinding machine is used for carrying out plate grinding treatment on the arranged finished small PCS plates 3, and after one surface of each finished small PCS plate 3 is treated by the plate grinding machine, each finished small PCS plate 3 is turned over to carry out the plate grinding treatment in the steps;
s3, cleaning: and cleaning and drying the finished small PCS plate 3 with both surfaces subjected to plate grinding by using an air gun.
Example 4
S1, manufacturing a rework tray, namely cutting the edges of scrapped plates or overdue plates according to the size and the number of finished small PCS plates 3 needing to be reworked to obtain a rectangular bottom plate 1, wherein the thickness of the bottom plate 1 is 1.5mm, the length of the bottom plate 1 is longer than the total length of all the finished small PCS plates 3 arranged in the same horizontal row, the width of the bottom plate 1 is wider than the total width of all the finished small PCS plates 3 arranged in the same vertical row, and if the size of the bottom plate 1 exceeds the maximum size allowed by a plate grinding machine, the number of the finished small PCS plates 3 reworked by grinding the plate at this time is reduced; then, adhering four barrier strips 2 to the periphery of a bottom plate 1 by using a double-faced adhesive tape so as to enable the four barrier strips to be connected end to end, wherein the thickness of each barrier strip 2 is 1.8mm, the width of each barrier strip 2 is 2.5mm, the distance between two vertically arranged barrier strips 2 is equal to the total length of all finished small PCS plates 3 arranged in the same horizontal row, the distance between two horizontally arranged barrier strips 2 is equal to the total width of all finished small PCS plates 3 arranged in the same vertical row, the four barrier strips 2 are enclosed to form a rectangular barrier edge, if the size of each barrier strip 2 is larger than that of the bottom plate 1, the number of the finished small PCS plates 3 in the plate grinding rework is reduced, the thickness of the rectangular barrier edge is not more than that of each finished small PCS plate 3, the size of the barrier edge is determined according to the size and the number of the finished small PCS plates 3 needing rework, and the barrier edge and the bottom plate 1 form a rework tray;
s2, a rework method: placing the finished small PCS plates 3 between the flanges before reworking, and enabling the finished small PCS plates 3 to be arranged in order, wherein the finished small PCS plates 3 are tightly abutted, and the edges of the finished small PCS plates 3 arranged on the outermost sides are enabled to be tightly attached to the inner side edges of the flanges; then, a plate grinding machine is used for carrying out plate grinding treatment on the arranged finished small PCS plates 3, and after one surface of each finished small PCS plate 3 is treated by the plate grinding machine, each finished small PCS plate 3 is turned over to carry out the plate grinding treatment in the steps;
s3, cleaning: the finished small PCS plate 3, both sides of which were subjected to plate grinding treatment, was soaked with alcohol and then dried.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (4)
1. A rework method of a finished small PCS plate is characterized by comprising the following steps:
s1, manufacturing a rework tray, namely processing scrapped plates or overdue plates according to the size and the number of finished small PCS plates needing to be reworked to obtain a bottom plate, wherein the size of the bottom plate is not more than the maximum size of the plates allowed to be ground by the plate grinding machine; then fixedly arranging four baffle strips which are connected end to end on the periphery of the bottom plate, wherein the four baffle strips surround to form a rectangular baffle edge, the thickness of the rectangular baffle edge does not exceed the thickness of the finished small PCS plates, the size of the baffle edge is determined according to the size and the number of the finished small PCS plates needing to be reworked, and the baffle edge and the bottom plate form a reworking tray;
s2, a rework method: placing the finished small PCS plates between the flanges before reworking, and enabling the finished small PCS plates to be arranged in order, wherein the finished small PCS plates are tightly abutted, and the edge of the finished small PCS plate arranged on the outermost side is enabled to be tightly attached to the edge of the inner side of the flange; then, carrying out plate grinding treatment on the arranged finished small PCS plates by using a plate grinding machine, and turning over the finished small PCS plates to carry out the plate grinding treatment in the steps after one surface of each finished small PCS plate is treated by the plate grinding machine;
s3, cleaning: cleaning and drying the finished small PCS plate with the two surfaces subjected to plate grinding by using an air gun;
in the step S1, cutting the edges of the scrapped plates or the overdue plates to obtain a rectangular bottom plate, wherein the thickness of the bottom plate is more than or equal to 0.8 mm;
the thickness of the barrier strip is more than or equal to 1.0 mm, and the width of the barrier strip is more than or equal to 2.0 mm;
the length of the bottom plate is longer than the total length of all the finished small PCS plates arranged in the same transverse row, and the width of the bottom plate is wider than the total width of all the finished small PCS plates arranged in the same vertical row;
the distance between the two vertically arranged barrier strips is equal to the total length of all finished small PCS plates arranged in the same transverse row, and the distance between the two horizontally arranged barrier strips is equal to the total width of all finished small PCS plates arranged in the same vertical row;
the edge of one vertical finished small PCS plate in the two vertical finished small PCS plates arranged at the outermost side is tightly attached to the edge of the inner side of the flange; the edge of the PCS plate of one transverse row of the two transverse rows of finished small PCS plates arranged at the outermost side is tightly attached to the inner side edge of the flange.
2. The method for reworking finished small PCS plate as claimed in claim 1, wherein in step S3, the finished small PCS plate is further cleaned by soaking in alcohol and then drying in the air.
3. The method for reworking a finished small PCS plate of claim 1 wherein said stop strip is adhered to said base plate by double sided adhesive.
4. The finished small PCS plate rework method of claim 3 wherein edges of the double sided tape do not extend beyond edges of the stop strip.
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CN201811113151.2A CN109168259B (en) | 2018-09-25 | 2018-09-25 | Reworking method of small finished PCS (process control system) board |
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CN201811113151.2A CN109168259B (en) | 2018-09-25 | 2018-09-25 | Reworking method of small finished PCS (process control system) board |
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CN204119660U (en) * | 2014-09-19 | 2015-01-21 | 江西景旺精密电路有限公司 | A kind of tool preventing small size aluminium base abrasive belt grinding exception |
CN205232595U (en) * | 2015-12-10 | 2016-05-11 | 深圳崇达多层线路板有限公司 | Small -size PCB washs auxiliary device |
Family Cites Families (1)
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KR101093126B1 (en) * | 2008-09-30 | 2011-12-13 | 주식회사 신한은행 | Method for Providing Integrated Property using Internet Banking Service and Recording Medium |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN202963013U (en) * | 2012-12-31 | 2013-06-05 | 惠州市金百泽电路科技有限公司 | Fixture used for cleaning multi-structural-shape small plates |
CN203695562U (en) * | 2013-12-31 | 2014-07-09 | 深圳市深联电路有限公司 | Assistant cleaning device of small-size PCB production board |
CN204119660U (en) * | 2014-09-19 | 2015-01-21 | 江西景旺精密电路有限公司 | A kind of tool preventing small size aluminium base abrasive belt grinding exception |
CN104284525A (en) * | 2014-09-29 | 2015-01-14 | 昆山思拓机器有限公司 | Method for repairing jointed PCB |
CN205232595U (en) * | 2015-12-10 | 2016-05-11 | 深圳崇达多层线路板有限公司 | Small -size PCB washs auxiliary device |
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