CN113068392B - Equipment is used in flexible circuit board production - Google Patents
Equipment is used in flexible circuit board production Download PDFInfo
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- CN113068392B CN113068392B CN202110229851.3A CN202110229851A CN113068392B CN 113068392 B CN113068392 B CN 113068392B CN 202110229851 A CN202110229851 A CN 202110229851A CN 113068392 B CN113068392 B CN 113068392B
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- circuit board
- flexible circuit
- coiled material
- printing
- pressing piece
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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
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/08—Monitoring manufacture of assemblages
- H05K13/083—Quality monitoring using results from monitoring devices, e.g. feedback loops
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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
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/0015—Orientation; Alignment; Positioning
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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
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/02—Feeding of components
- H05K13/021—Loading or unloading of containers
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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
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/02—Feeding of components
- H05K13/022—Feeding of components with orientation of the elements
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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
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0417—Feeding with belts or tapes
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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
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/043—Feeding one by one by other means than belts
- H05K13/0443—Feeding one by one by other means than belts incorporating means for treating the terminal leads before and after insertion or only after insertion
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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
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0495—Mounting of components, e.g. of leadless components having a plurality of work-stations
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Operations Research (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
The invention relates to equipment for producing a flexible circuit board, which comprises a coiled material transmission mechanism, a coiled material feeding mechanism, a coiled material printing mechanism, a high-temperature heat treatment mechanism, a rolling mechanism, a signal detection mechanism and a winding mechanism. According to the invention, the printing uniformity of the conductive ink can be effectively and strictly controlled, the electrical property detection of the RFID radio frequency antennas can be effectively carried out one by one, and the curing efficiency of the conductive ink can be effectively improved, so that the printing production efficiency of the flexible circuit board is improved, and the product quality of the flexible circuit board is effectively and greatly improved.
Description
Technical Field
The invention relates to equipment for producing a flexible circuit board, which is mainly used for printing and processing the flexible circuit board.
Background
The RFID antenna manufacturing technology mainly comprises an etching method, a coil winding method and a printed antenna. Among them, RFID conductive ink printed antenna is a new technology developed, which forms a single RFID radio frequency antenna by printing conductive silver paste on a continuous substrate, then curing the silver paste, and finally cutting the antenna cured on the substrate.
At present, the printing uniformity of the conductive ink cannot be strictly controlled in the continuous production process of the RFID radio frequency antenna, so that the quality of a product cannot be ensured; and the electrical property detection can not be carried out on the RFID radio frequency antennas one by one, so that the cut RFID radio frequency antennas need to be bound with chips to carry out electrical property test, and time and labor are wasted. There is also a big problem in the continuous production process of RFID rf antennas: the curing efficiency of the conductive ink is low, which not only affects the production efficiency of the product, but also causes the conductive ink to be easy to deform in the long-time curing process, thereby affecting the quality of the product.
Therefore, the research and development of the equipment for producing the flexible circuit board, which can effectively and strictly control the printing uniformity of the conductive ink, can effectively and one by one detect the electrical property of the RFID radio-frequency antenna and can effectively improve the curing efficiency of the conductive ink, is the research aim of the invention.
Disclosure of Invention
In view of the technical problems in the prior art, the present invention provides a flexible printed circuit board production apparatus, which can effectively solve the technical problems in the prior art.
The technical scheme of the invention is as follows:
an apparatus for producing a flexible circuit board comprises
The coiled material transmission mechanism is used for transmitting coiled materials of the flexible circuit board and comprises at least one group of corresponding pinch roller sets, and the pinch roller sets are driven by corresponding driving motors;
a coil feeding mechanism including an air expansion shaft for fixedly mounting a coil;
the coiled material printing mechanism is arranged at the discharge end of the coiled material supply mechanism and comprises a printing workbench and a screen plate arranged on the upper side of the printing workbench, wherein the workbench is provided with a plurality of rows of corresponding negative pressure adsorption holes, the negative pressure adsorption holes are connected to an external vacuum pump, the screen plate is distributed with corresponding printing holes, and the upper part of the screen plate is movably provided with a scraper blade for pressing printing slurry into the printing holes and a reset scraper blade for uniformly covering the printing slurry on the screen plate again;
the high-temperature heat treatment mechanism is arranged at the discharge end of the coiled material printing mechanism and comprises a protective cover and a xenon light source arranged in the protective cover, wherein the instantaneous temperature of the xenon light source reaches 400-1000 ℃, and the time of the instantaneous high-temperature heat treatment is 10-100 milliseconds;
the rolling mechanism is arranged at the discharge end of the high-temperature heat treatment mechanism and comprises a fixed seat, a lower pressing piece and an upper pressing piece, the lower pressing piece is arranged at the lower side of the fixed seat, the upper pressing piece is arranged at the upper side of the fixed seat through a hydraulic oil cylinder, and the pressure between the upper pressing piece and the lower pressing piece is controlled to be 200-2500 psi;
the signal detection mechanism is arranged at the discharge end of the rolling mechanism and comprises an excitation circuit board arranged at the bottom of the flexible circuit board subjected to printing and a chip arranged at the top of the flexible circuit board, the chip is over against the excitation circuit board and is connected with a corresponding signal detection circuit board, and the signal detection circuit board is used for acquiring a coupling signal generated by the excitation circuit board on the flexible circuit board when the chip is over against the flexible circuit board; the rear side of the chip is provided with a marking unit for marking the product with unqualified coupling signals; the power of the excitation circuit board is 10-50 mW, and the vertical distance between the chip and the flexible circuit board is 1-5 mm;
the winding mechanism is arranged at the discharge end of the signal detection mechanism and comprises a winding shaft used for winding the flexible circuit board, and the winding shaft is driven by a corresponding winding driving motor.
The drying mechanism is arranged between the coiled material printing mechanism and the high-temperature heat treatment mechanism and comprises a shell with a feeding and discharging port and an electric heater fixedly connected in the shell.
Still include two sets of coiled material guiding mechanism, set up respectively in coiled material feed mechanism and coiled material printing mechanism and between stoving mechanism and the high temperature heat treatment mechanism, it contains the tension adjustment mechanism who is used for carrying on coiled material tension and is used for the mechanism of rectifying of coiled material rectifying.
And a deviation rectifying mechanism for rectifying deviation of the coiled material is further arranged on one side of the feeding end of the winding mechanism.
The correcting mechanism comprises a mounting frame, a correcting motor is fixed on the mounting frame, a U-shaped block mounting plate is fixedly connected to one side of the correcting motor, and a photoelectric sensor for monitoring the position of the coiled material is mounted on the other side of the correcting motor; the U-shaped block mounting plate is not fixedly connected with one end of the deviation correcting motor and is arranged in a mode of being turned outwards, and a plurality of corresponding inverted U-shaped blocks are fixedly connected to the turning part of the U-shaped block mounting plate and the end face of the deviation correcting motor; the output shaft end of the deviation rectifying motor is fixedly connected with a fixing plate, a group of corresponding guide roller sets are rotatably mounted on the outer portion of the fixing plate, corresponding supporting rollers are respectively and transversely rotatably mounted in the positions, corresponding to the inverted U-shaped blocks, in the fixing plate, and the supporting rollers are respectively and rotatably mounted on the corresponding inverted U-shaped blocks.
The fixing plate is characterized in that a corresponding longitudinal fixing block is fixedly connected inside the fixing plate, a corresponding longitudinal limiting shaft is fixedly connected to the folded part of the U-shaped block mounting plate at a position corresponding to the longitudinal fixing block, and the longitudinal limiting shaft is rotatably mounted on the longitudinal fixing block.
And a tension adjusting mechanism for adjusting the tension of the coiled material is also arranged between the rolling mechanism and the signal detection mechanism.
The tension adjusting mechanism comprises a support piece and a group of swing arms hinged to the support piece, corresponding tension adjusting rollers are respectively installed between the group of swing arms in a rotating mode, and the swing arms are respectively driven by corresponding telescopic air cylinders.
The upper fixed plate is provided with a corresponding mounting plate which can be lifted downwards through the hydraulic oil cylinder, and the upper pressing piece is rotatably mounted at the lower side of the mounting plate; and corresponding limiting support mechanisms are respectively arranged between the lower roll pressing piece and the workbench and between the upper roll pressing piece and the mounting plate.
Spacing supporting mechanism contain equidistant rigid coupling in a plurality of supporting shoes on workstation and the mounting panel rotate respectively between two adjacent supporting shoes and install corresponding support and roll the roller, support and roll the roller and lean on respectively the downside of roll casting die to and the upside of roll casting die.
The invention has the advantages that:
1) according to the invention, the high-temperature heat treatment mechanism is arranged on one side of the discharge end of the coiled material printing mechanism, and the high-temperature ultraviolet treatment is effectively carried out on the printing slurry on the printed flexible circuit board through the high-temperature heat treatment mechanism, so that the conductive particles in the printing slurry are instantly fused at high temperature, the curing efficiency of the conductive ink can be greatly improved, and part of organic metal compounds are decomposed, so that the compactness and the uniformity of the conductive layer are improved. Through detection and determination, the conductivity of the conductive network can be improved by about 30-40%.
The time of the instant high-temperature heat treatment is 10-100 milliseconds, so that the flexible coiled material is prevented from being burnt due to overhigh temperature caused by overlong high-temperature treatment time.
2) The invention further arranges a rolling mechanism at the discharge end of the high-temperature heat treatment mechanism, and the pressure between the upper pressing piece and the lower pressing piece is controlled at 200-2500psi so as to form proper pressure for the circuit board in transmission. The conductive ink on the flexible circuit board is rolled by proper pressure, conductive ink particles on the circuit board are flattened, so that the particles are mutually lapped, and the printing uniformity of the conductive ink is effectively strictly controlled on the basis of improving the curing efficiency and the conductive character of the conductive ink, so that the quality of products is further improved.
3) The invention further provides a signal detection mechanism at the discharge end of the rolling mechanism, the signal detection circuit board is used for acquiring a coupling signal generated by the excitation circuit board to the flexible circuit board when the chip is opposite to the flexible circuit board, when the power transmitted by the excitation circuit board is coupled with the power received by the flexible radio-frequency antenna, the flexible radio-frequency antenna corresponding to the position is judged to be qualified, otherwise, the flexible radio-frequency antenna is judged to be unqualified. And the unqualified products are marked by the marking unit so as to be convenient for eliminating the unqualified products subsequently.
The power of the excitation circuit board is 10-50 mW, and the vertical distance between the chip and the flexible circuit board is 1-5 mm. The power of the radio frequency signal is positively correlated with the vertical distance between the chip and the flexible circuit board, specifically, the power of the excitation circuit board is defined as Q milliwatts, the vertical distance between the chip and the flexible circuit board is defined as H millimeters, Q and H substantially satisfy, Q is k H, wherein k is a constant, and the value range is 10-12. And the coupling performance is reduced along with the increase of the vertical distance H, so that the power of the excitation circuit board is determined to be 10-50 mW, and the vertical distance between the chip and the flexible circuit board is 1-5 mm.
4) The coiled material printing mechanism is provided with a plurality of rows of corresponding negative pressure adsorption holes on the workbench, the negative pressure adsorption holes are connected to an external vacuum pump, the coiled material is effectively fixed on the workbench through the arrangement of the negative pressure adsorption holes to ensure the printing precision of the conductive ink, and the conductive ink is uniformly covered on the silk screen plate again through the arrangement of the reset scraper plate after the conductive ink is effectively pressed into the printing holes by the scraper plate to ensure the effective continuity of the conductive printing.
5) The invention also comprises two groups of coiled material adjusting mechanisms which are respectively arranged between the coiled material feeding mechanism and the coiled material printing mechanism as well as between the drying mechanism and the high-temperature heat treatment mechanism, and the coiled material adjusting mechanisms comprise a tension adjusting mechanism for adjusting the tension of the coiled material and a deviation correcting mechanism for correcting the deviation of the coiled material. Because the quality of the product is directly influenced by the change of the tension of the coiled material, the tension of the coiled material must be adjusted, the transmission tension of the coiled material is monitored by an external tension detector, and the swing direction and the swing amount of the swing arm are effectively controlled by the telescopic cylinder according to the change of the tension of the coiled material, so that the tension of the coiled material is adjusted in real time, and the quality of the product is further ensured.
6) In the tension adjusting process, the coiled material is often caused to generate a small amount of position deviation, in order to ensure the printing precision, the tension adjusting mechanism and the deviation correcting mechanism are arranged, the deviation correcting precision of the conventional deviation correcting mechanism cannot meet the deviation correcting requirement of the invention, and the space occupancy rate is high, so that the method is difficult to effectively apply. Therefore, the deviation correcting motor is installed through the installation frame, the inverted U-shaped block is installed through the matching of the U-shaped block installation plate and the deviation correcting motor, the supporting idler wheel is matched with the inverted U-shaped block to limit the fixed plate, and finally the fixed plate is controlled through the deviation correcting motor, namely the swing angle of the guide roller set is controlled to realize deviation correction of the coiled material. Not only realize that low space occupies, and can effective control fixed plate and guide roller set's pivot angle precision to effectively ensure the precision of rectifying.
7) In order to further improve the stability of the fixing plate in the deviation rectifying process and further improve the deviation rectifying precision, a corresponding longitudinal fixing block is fixedly connected inside the fixing plate, a corresponding longitudinal limiting shaft is fixedly connected to the position, corresponding to the longitudinal fixing block, of the turnover part of the U-shaped block mounting plate, and the longitudinal limiting shaft is rotatably mounted on the longitudinal fixing block. The cooperation through vertical spacing axle and vertical fixed block is effective on the spacing basis of the roll of the type of falling U piece and supporting roller, and it is spacing to further form vertical rotation to further promote the operating stability of fixed plate, thereby further promote the precision of rectifying.
8) According to the rolling mechanism, the pressure between the upper rolling piece and the lower rolling piece is controlled to be 200-2500psi, and the rolling parts and the mounting ends of the upper rolling piece and the lower rolling piece can deform to a certain extent along with the extension of the rolling time, so that the rolling pressure cannot meet the requirement. The lower roll pressing piece and the workbench and the upper roll pressing piece and the mounting plate are respectively and fixedly provided with a corresponding limiting support mechanism, the limiting support mechanism comprises a plurality of support blocks fixedly connected to the workbench and the mounting plate at equal intervals, corresponding support rollers are respectively rotatably mounted between every two adjacent support blocks, and the support rollers are respectively abutted to the lower side of the lower roll pressing piece and the upper side of the upper roll pressing piece. The supporting of the supporting rolling roller arranged in sections can ensure the limiting supporting of the upper pressing piece and the lower pressing piece, and can prevent the supporting rolling roller from integrally contacting with the upper pressing piece and the lower pressing piece, thereby preventing the upper pressing piece and the lower pressing piece from being overheated due to friction, and ensuring the practical effect of the rolling mechanism.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the web printing mechanism.
FIG. 3 is another side view of the web printing mechanism.
Fig. 4 is a schematic structural view of the worktable with a negative pressure adsorption hole.
FIG. 5 is a schematic structural view of a high-temperature heat treatment mechanism.
Fig. 6 is a schematic structural view of the rolling mechanism.
Fig. 7 is a schematic structural view of the signal detection mechanism.
Fig. 8 is a schematic structural view of the drying mechanism.
Fig. 9 is a schematic structural view of the tension adjusting mechanism.
FIG. 10 is a schematic structural diagram of a deviation rectifying mechanism.
Fig. 11 is a schematic structural diagram of an inverted U-shaped block fixedly connected to the U-shaped block mounting plate and the deviation correcting motor.
Fig. 12 is a schematic structural view of the fixing plate with the supporting rollers mounted thereon.
Detailed Description
To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail by way of examples in conjunction with the accompanying drawings:
referring to FIGS. 1-12, an apparatus for manufacturing a flexible circuit board includes
The coiled material transmission mechanism 1 is used for transmitting coiled materials of the flexible circuit board and comprises at least one group of corresponding pinch roller sets, and the pinch roller sets are driven by corresponding driving motors;
a coil feeding mechanism 2 including an air shaft for fixedly mounting a coil;
the coil printing mechanism 3 is arranged at the discharge end of the coil supply mechanism 2 and comprises a printing workbench 301 and a screen plate 302 arranged on the upper side of the printing workbench 301, a plurality of rows of corresponding negative pressure adsorption holes 4 are arranged on the workbench 301, the negative pressure adsorption holes 4 are connected to an external vacuum pump, corresponding printing holes are distributed on the screen plate 302, a scraper 303 used for pressing printing slurry into the printing holes and a reset scraper 304 used for uniformly covering the printing slurry on the screen plate 302 again are movably arranged on the upper part of the screen plate 302;
the high-temperature heat treatment mechanism 5 is arranged at the discharge end of the coiled material printing mechanism 3 and comprises a protective cover 501 and a xenon light source 502 arranged in the protective cover 501, wherein the instantaneous temperature of the xenon light source 502 reaches 700 ℃, and the time of the instantaneous high-temperature heat treatment is 50 milliseconds;
the rolling mechanism 6 is arranged at the discharge end of the high-temperature heat treatment mechanism 5 and comprises a fixed seat 601, a lower pressing piece 602 and an upper pressing piece 603, the lower pressing piece 602 is arranged at the lower side of the fixed seat 601, the upper pressing piece 603 is arranged at the upper side of the fixed seat 601 through a hydraulic oil cylinder 604, and the pressure between the upper pressing piece 603 and the lower pressing piece 602 is controlled at 1600 psi;
the signal detection mechanism 7 is arranged at the discharge end of the rolling mechanism 6, and comprises an excitation circuit board 701 arranged at the bottom of the flexible circuit board subjected to printing and a chip 702 arranged at the top of the flexible circuit board, wherein the chip 702 is over against the excitation circuit board 701 and is connected with a corresponding signal detection circuit board 703, and the signal detection circuit board 703 is used for acquiring a coupling signal generated by the excitation circuit board 701 on the flexible circuit board when the chip 702 is over against the flexible circuit board; a marking unit 8 (a commercially available laser marker is adopted as the marking unit in the embodiment) for marking the product with unqualified coupling signals is arranged on the rear side of the chip 702; the power of the excitation circuit board 701 is 30W, and the vertical distance between the chip 702 and the flexible circuit board is 3 mm;
and the winding mechanism 9 is arranged at the discharge end of the signal detection mechanism 7 and comprises a winding shaft for winding the flexible circuit board, and the winding shaft is driven by a corresponding winding driving motor.
The drying mechanism 10 is arranged between the roll printing mechanism 4 and the high-temperature heat treatment mechanism 5, and comprises a shell 1001 provided with a material inlet and a material outlet and an electric heater 1002 fixedly connected in the shell 1001 (the drying temperature in the embodiment is 120 ℃).
Still include two sets of coiled material guiding mechanism, set up respectively in coiled material feed mechanism 2 and coiled material printing mechanism 3 and between stoving mechanism 10 and the high temperature heat treatment mechanism 5, it contains the tension adjustment mechanism 11 that is used for carrying on coiled material tension and is used for the mechanism 12 of rectifying of coiled material rectifying.
And a deviation rectifying mechanism 12 for rectifying deviation of the coiled material is further arranged on one side of the feeding end of the winding mechanism 9.
The deviation correcting mechanism 12 comprises a mounting frame 1201, a deviation correcting motor 1202 is fixed on the mounting frame 1201, a U-shaped block mounting plate 1203 is fixedly connected to one side of the deviation correcting motor 1202, and a photoelectric sensor 1204 for monitoring the position of a coiled material is mounted on the other side of the deviation correcting motor 1202; the U-shaped block mounting plate 1203 is not fixedly connected with one end of the deviation correcting motor 1202 and is arranged by being turned over outwards, and a plurality of corresponding inverted U-shaped blocks 1205 are fixedly connected to the turning over part of the U-shaped block mounting plate 1203 and the end face of the deviation correcting motor 1202; the output shaft end of the deviation rectifying motor 1202 is fixedly connected with a fixing plate 1206, a group of corresponding guide roller sets 1207 is rotatably mounted on the outer portion of the fixing plate 1206, corresponding supporting rollers 1208 are respectively transversely rotatably mounted on the positions, corresponding to the inverted-U-shaped blocks 1205, in the fixing plate 1206, and the supporting rollers 1208 are respectively rotatably mounted on the corresponding inverted-U-shaped blocks 1205.
A corresponding longitudinal fixing block 1209 is further fixedly connected inside the fixing plate 1206, a corresponding longitudinal limiting shaft 1200 is fixedly connected to the folded part of the U-shaped block mounting plate 1203 at a position corresponding to the longitudinal fixing block 1209, and the longitudinal limiting shaft 1200 is rotatably mounted on the longitudinal fixing block 1209.
And a tension adjusting mechanism 11 for adjusting the tension of the coiled material is also arranged between the rolling mechanism 6 and the signal detection mechanism 7.
The tension adjusting mechanism 11 comprises a support 1101 and a set of swing arms 1102 hinged on the support 1101, wherein corresponding tension adjusting rollers 1103 are respectively rotatably mounted between the set of swing arms 1102, and the swing arms 1102 are respectively driven by corresponding telescopic air cylinders 1104.
The fixed seat 601 is fixedly connected with a corresponding upper fixed plate 605 and a corresponding lower fixed plate 606 according to height, the lower fixed plate 606 is provided with a corresponding workbench 607 towards the upper fixed plate, the lower pressing piece 602 is rotatably arranged at the upper side of the workbench 607, the upper fixed plate 605 is provided with a corresponding mounting plate 608 which can be lifted downwards through the hydraulic oil cylinder 604, and the upper pressing piece 63 is rotatably arranged at the lower side of the mounting plate 608; corresponding limiting support mechanisms 13 are respectively arranged between the lower pressing piece 602 and the workbench 607 and between the upper pressing piece 603 and the mounting plate 608.
The limiting and supporting mechanism 13 comprises a plurality of supporting blocks 1301 fixedly connected to the workbench 607 and the mounting plate 608 at equal intervals, corresponding supporting rollers 1302 are rotatably mounted between two adjacent supporting blocks 1301 respectively, and the supporting rollers 1302 abut against the lower side of the lower pressing piece 602 and the upper side of the upper pressing piece 603 respectively.
The specific processing flow of the invention is as follows:
s1, mounting the base coil material fixing device on the inflatable shaft of the coil material feeding mechanism 2;
s2, after sequentially passing through a tension adjusting mechanism 11 and a deviation correcting mechanism 12 which are positioned between the coiled material supply mechanism 2 and the coiled material printing mechanism 3, the coiled material enters the coiled material printing mechanism 3 to be printed with conductive ink, and in the printing process, the conductive ink is manually added;
s3, the flexible printed circuit board after printing ink enters the housing 1001 of the drying mechanism 10 for drying treatment, so that the conductive ink is basically cured and molded;
s4, after the dried flexible circuit board enters a tension adjusting mechanism 11 and a deviation correcting mechanism 12 which are arranged between the drying mechanism 10 and the high-temperature heat treatment mechanism 5, the flexible circuit board enters the high-temperature heat treatment mechanism 5 to be subjected to high-temperature ultraviolet treatment, so that conductive particles in the printing paste are instantly fused at high temperature, and solidification molding is realized;
s5, the cured and molded flexible circuit board enters a rolling mechanism 6 to be rolled, and conductive ink particles on the circuit board are flattened, so that the particles are mutually lapped;
s6, the rolled flexible circuit board is subjected to tension adjustment again and enters the signal detection mechanism 7 to perform signal detection, the signal detection circuit board 703 is used to obtain a coupling signal generated by the excitation circuit board 701 to the flexible circuit board when the chip 702 is directly opposite to the flexible circuit board, and when the power transmitted by the excitation circuit board is coupled with the power received by the flexible radio frequency antenna, the flexible radio frequency antenna corresponding to the position is determined to be qualified, otherwise, the flexible radio frequency antenna corresponding to the position is determined to be unqualified. Marking unqualified products through a marking unit 8;
and S7, the flexible circuit board after the signal detection is finished is wound after the deviation correction is carried out again.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an equipment is used in flexible circuit board production which characterized in that: comprises that
The coiled material transmission mechanism (1) is used for conveying coiled materials of the flexible circuit board and comprises at least one group of corresponding pinch roller sets, and the pinch roller sets are driven by corresponding driving motors;
a coil feeding mechanism (2) comprising an air expansion shaft for fixedly mounting a coil;
the coiled material printing mechanism (3) is arranged at the discharge end of the coiled material supply mechanism (2) and comprises a printing workbench (301) and a screen plate (302) arranged on the upper side of the printing workbench (301), a plurality of rows of corresponding negative pressure adsorption holes (4) are formed in the workbench (301), the negative pressure adsorption holes (4) are connected to an external vacuum pump, corresponding printing holes are distributed in the screen plate (302), a scraper (303) used for pressing printing slurry into the printing holes and a reset scraper (304) used for uniformly covering the printing slurry on the screen plate (302) again are movably arranged at the upper part of the screen plate (302);
the high-temperature heat treatment mechanism (5) is arranged at the discharge end of the coiled material printing mechanism (3) and comprises a protective cover (501) and a xenon light source (502) arranged in the protective cover (501), wherein the instantaneous temperature of the xenon light source (502) reaches 400-1000 ℃, and the time of the instantaneous high-temperature heat treatment is 10-100 milliseconds;
the rolling mechanism (6) is arranged at the discharge end of the high-temperature heat treatment mechanism (5) and comprises a fixed seat (601), a lower pressing piece (602) and an upper pressing piece (603), the lower pressing piece (602) is arranged at the lower side of the fixed seat (601), the upper pressing piece (603) is arranged at the upper side of the fixed seat (601) through a hydraulic oil cylinder (604), and the pressure between the upper pressing piece (603) and the lower pressing piece (602) is controlled at 200-2500 psi;
the signal detection mechanism (7) is arranged at the discharge end of the rolling mechanism (6) and comprises an excitation circuit board (701) arranged at the bottom of the flexible circuit board which finishes printing and a chip (702) arranged at the top of the flexible circuit board, the chip (702) is over against the excitation circuit board (701) and is connected with a corresponding signal detection circuit board (703), and the signal detection circuit board (703) is used for acquiring a coupling signal generated by the excitation circuit board (701) to the flexible circuit board when the chip (702) is over against the flexible circuit board; a marking unit (8) for marking the coupling signal unqualified product is arranged on the rear side of the chip (702); the power of the excitation circuit board (701) is 10-50 mW, and the vertical distance between the chip (702) and the flexible circuit board is 1-5 mm;
the winding mechanism (9) is arranged at the discharge end of the signal detection mechanism (7) and comprises a winding shaft for winding the flexible circuit board, and the winding shaft is driven by a corresponding winding driving motor;
the fixed seat (601) is fixedly connected with a corresponding upper fixed plate (605) and a corresponding lower fixed plate (606) according to height, the lower fixed plate (606) is provided with a corresponding workbench (607) in an upward fixing mode, the lower pressing piece (602) is rotatably arranged on the upper side of the workbench (607), the upper fixed plate (605) is provided with a corresponding mounting plate (608) in a downward lifting mode through the hydraulic oil cylinder (604), and the upper pressing piece (603) is rotatably arranged on the lower side of the mounting plate (608); corresponding limiting support mechanisms (13) are respectively arranged between the lower pressing piece (602) and the workbench (607) and between the upper pressing piece (603) and the mounting plate (608);
the limiting supporting mechanism (13) comprises a plurality of supporting blocks (1301) which are fixedly connected to the workbench (607) and the mounting plate (608) at equal intervals, corresponding supporting rollers (1302) are respectively rotatably mounted between every two adjacent supporting blocks (1301), and the supporting rollers (1302) are respectively abutted to the lower side of the lower pressing piece (602) and the upper side of the upper pressing piece (603).
2. The apparatus for producing a flexible circuit board according to claim 1, wherein: the drying device is characterized by further comprising a drying mechanism (10) which is arranged between the coiled material printing mechanism (4) and the high-temperature heat treatment mechanism (5) and comprises a shell (1001) provided with a feeding and discharging port and an electric heater (1002) fixedly connected into the shell (1001).
3. The apparatus for producing a flexible circuit board according to claim 2, wherein: still include two sets of coiled material guiding mechanism, set up respectively in coiled material feed mechanism (2) and coiled material printing mechanism (3) and between stoving mechanism (10) and high temperature heat treatment mechanism (5), it contains tension adjustment mechanism (11) that are used for carrying on the coiled material tension to adjust and is used for rectifying mechanism (12) that the coiled material rectified.
4. The apparatus for producing a flexible circuit board according to claim 3, wherein: and a deviation rectifying mechanism (12) for rectifying deviation of the coiled material is further arranged on one side of the feeding end of the winding mechanism (9).
5. The apparatus for producing a flexible circuit board according to claim 4, wherein: the deviation rectifying mechanism (12) comprises a mounting frame (1201), a deviation rectifying motor (1202) is fixedly arranged on the mounting frame (1201), one side of the deviation rectifying motor (1202) is fixedly connected with a U-shaped block mounting plate (1203), and the other side of the deviation rectifying motor (1202) is provided with a photoelectric sensor (1204) used for monitoring the position of a coiled material; one end of the U-shaped block mounting plate (1203), which is not fixedly connected with the deviation correcting motor (1202), is turned outwards, and a plurality of corresponding inverted U-shaped blocks (1205) are fixedly connected to the turning part of the U-shaped block mounting plate (1203) and the end face of the deviation correcting motor (1202); the output shaft end of the deviation rectifying motor (1202) is fixedly connected with a fixing plate (1206), a group of corresponding guide roller sets (1207) are installed on the outer portion of the fixing plate (1206) in a rotating mode, corresponding supporting rollers (1208) are installed on the positions, corresponding to the inverted U-shaped blocks (1205), of the inner portion of the fixing plate (1206) in a rotating mode respectively in a transverse mode, and the supporting rollers (1208) are installed on the corresponding inverted U-shaped blocks (1205) in a rotating mode respectively.
6. The apparatus for producing a flexible circuit board according to claim 5, wherein: the inside rigid coupling of fixed plate (1206) has a corresponding vertical fixed block (1209), the turn-over portion of U type piece mounting panel (1203) with the corresponding vertical spacing axle (1200) of rigid coupling in the position of vertical fixed block (1209), vertical spacing axle (1200) rotate install in on vertical fixed block (1209).
7. The apparatus for producing a flexible circuit board according to claim 3, wherein: and a tension adjusting mechanism (11) for adjusting the tension of the coiled material is also arranged between the rolling mechanism (6) and the signal detecting mechanism (7).
8. The apparatus for producing a flexible circuit board according to claim 7, wherein: the tension adjusting mechanism (11) comprises a support piece (1101) and a group of swing arms (1102) hinged to the support piece (1101), corresponding tension adjusting rollers (1103) are respectively installed between the group of swing arms (1102) in a rotating mode, and the swing arms (1102) are respectively driven by corresponding telescopic air cylinders (1104).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12041731B2 (en) | 2021-09-30 | 2024-07-16 | Haesung Ds Co., Ltd | Multilayer circuit board manufacturing apparatus |
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| KR102583277B1 (en) * | 2021-09-30 | 2023-09-27 | 해성디에스 주식회사 | Apparatus for manufacturing of multilayer circuit board |
| CN114143977B (en) * | 2021-11-25 | 2022-07-29 | 赤壁市万皇智能设备有限公司 | Automatic printing line of flexible circuit board |
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