CN114615817A - Double-sided flexible circuit board manufacturing production line and manufacturing method thereof - Google Patents
Double-sided flexible circuit board manufacturing production line and manufacturing method thereof Download PDFInfo
- Publication number
- CN114615817A CN114615817A CN202210157544.3A CN202210157544A CN114615817A CN 114615817 A CN114615817 A CN 114615817A CN 202210157544 A CN202210157544 A CN 202210157544A CN 114615817 A CN114615817 A CN 114615817A
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- roller
- insulating
- insulating film
- flexible sheet
- adhesive
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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
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/107—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by filling grooves in the support with conductive material
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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
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
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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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/05—Flexible printed circuits [FPCs]
Abstract
The invention relates to the technical field of flexible circuit board preparation, in particular to a double-sided flexible circuit board preparation production line and a preparation method thereof, wherein the double-sided flexible circuit board preparation production line comprises a bonding device and a re-engraving device, the bonding device is positioned at the upper part of the re-engraving device, and the bonding device comprises a bonding assembly: further comprising: the invention relates to a gluing component connected with a bonding component, which comprises a gluing roller, wherein a processed insulating film is bonded on an insulating flexible sheet by the bonding component, and simultaneously, liquid metal in a liquid metal storage box is filled in a leak on the insulating film by a laying roller, so that the re-engraving of a circuit is completed on the insulating flexible sheet, and the re-engraving of a circuit on the back side can be completed by replacing the laying roller and the insulating film after the single-side re-engraving is completed, so that the problems of time consumption, labor consumption and inapplicability to manufacturing a double-sided flexible circuit board in the traditional preparation method are solved.
Description
Technical Field
The invention relates to the technical field of flexible circuit board preparation, in particular to a double-sided flexible circuit board preparation production line and a preparation method thereof.
Background
Flexible circuit boards, also known as "flexible boards," are printed circuits made from flexible, insulating substrates. Flexible circuits provide excellent electrical performance, meet design requirements for smaller and higher density packaging, and also help reduce assembly processes and enhance reliability. The flexible circuit board is the only solution to meet the miniaturization and movement requirements of electronic products. The flexible printed circuit board can be freely bent, wound and folded, can bear millions of dynamic bending without damaging the lead, can be randomly arranged according to the space layout requirement, and can be freely moved and stretched in a three-dimensional space, so that the integration of component assembly and lead connection is realized; the flexible circuit board can greatly reduce the volume and the weight of the electronic product, and is suitable for the development of the electronic product towards high density, miniaturization and high reliability;
the traditional preparation process of the flexible circuit board is complex, multiple steps of processing are needed to be carried out on multiple machines, the preparation method is time-consuming and labor-consuming and is not suitable for manufacturing in the prior art, and meanwhile, when the double-sided flexible circuit board is prepared, the time-consuming time is increased by adopting the traditional preparation method.
Therefore, it is necessary to invent a double-sided flexible circuit board manufacturing line and a manufacturing method thereof.
Disclosure of Invention
The invention provides a double-sided flexible circuit board preparation production line and a preparation method thereof, wherein a processed insulating film is adhered on an insulating flexible sheet by arranging an adhesion assembly, and meanwhile, a liquid metal in a liquid metal storage box is filled in a hole in the insulating film by a laying roller, so that the circuit is re-etched on the insulating flexible sheet, and the circuit on the back side can be re-etched by replacing the laying roller and the insulating film after the single-sided re-etching is finished, so that the problems that the traditional preparation method is time-consuming and labor-consuming and is not suitable for manufacturing the double-sided flexible circuit board are solved.
In order to achieve the above purpose, the invention provides the following technical scheme: the double-sided flexible circuit board preparation production line comprises a bonding device and a re-engraving device, wherein the bonding device is positioned at the upper part of the re-engraving device and comprises a bonding assembly: further comprising: the gluing component is connected with the bonding component;
the rubberizing subassembly includes the rubberizing roller, the rubberizing roller middle part is equipped with the adhesive buffer, the rubberizing roller inside wall is equipped with the multiunit and fills the rubber tube, multiunit fill the rubber tube end all with adhesive buffer intercommunication, adjacent two sets of fill and be equipped with the mounting groove between the rubber tube, equal fixed mounting has the heating plate in the mounting groove.
Preferably, go up rubber roll lateral wall fixed mounting and have the multiunit brush hair, go up the hollow brace table of multiunit of rubber roll lateral wall fixed mounting, the multiunit the brush hair all is the circumference array with hollow brace table and arranges, hollow brace table bottom fixed mounting has two sets of expanding spring, hollow brace table inside wall sealing sliding connection has the compression piece, and is two sets of the expanding spring other end all with compression piece bottom fixed connection, compression piece bottom middle part fixed mounting has the sprue, the sprue seals to slide and runs through hollow brace table and rubber filling pipe, hollow brace table top both ends all are equipped with out jiao kou.
Preferably, the bonding subassembly includes the bed frame, it is connected with the rotation of bed frame both sides inner wall to go up the rubber roll both ends, is located under the rubber roll bed frame bottom fixed mounting has the support boss, is located directly over the rubber roll fixed mounting places the platform on the bed frame, place on the platform fixed mounting have the adhesive to put in order the box, the adhesive puts in order box one end and is equipped with the negative pressure pump, the negative pressure pump puts in order the box intercommunication with the adhesive, negative pressure pump output end fixed mounting has the runner pipe, the runner pipe is terminal to rotate sealing connection with the rubber roll, is located the rubber roll both ends all rotate on the bed frame and be connected with the bonding adjustment roller.
Preferably, the bonding device further comprises a support frame, the front end of the support frame is fixedly connected with the base frame, the inner walls of two sides of the support frame are respectively and rotatably connected with an initial roller and a termination roller, a first servo motor and a second servo motor are fixedly mounted on the outer wall of one side of the support frame, an output shaft of the first servo motor is fixedly connected with the termination roller, and an output shaft of the second servo motor is fixedly connected with the initial roller.
Preferably, the front end of the base frame is rotatably connected with two groups of squeeze rollers, the two groups of squeeze rollers are not positioned on the same horizontal plane, the inner walls of the two sides of the support frame are respectively rotatably connected with two groups of reversing rollers, and the two groups of reversing rollers are positioned on the same vertical plane.
Preferably, the repeated engraving device comprises a bottom plate, the base frame is fixedly connected with the bottom plate, a first mounting frame is fixedly mounted on the bottom plate, insulating film mounting rollers are rotatably connected to inner walls of two sides of the first mounting frame, a second mounting frame is fixedly mounted on the bottom plate, horizontal adjusting rollers are rotatably connected to inner walls of two sides of the second mounting frame, and the horizontal adjusting rollers are two groups and two groups of horizontal adjusting rollers are located on the same vertical plane.
Preferably, fixed mounting has the platform of carving repeatedly on the bottom plate, the platform of carving repeatedly is located two sets of horizontal adjustment roller rear portions, it is tangent with the horizontal adjustment roller that is located the bottom to carve the bench face again, fixed mounting has liquid metal case on the platform of carving repeatedly, liquid metal case both sides inner wall seal rotation is connected with three groups and lays the roller, is located both ends it all is tangent with liquid metal case inner wall to lay the roller, the terminal joint of platform of carving again has arc terrace with edges, form the arc switching-over way between arc terrace with the platform of carving again.
Preferably, fixed mounting has the platform that receives heat on the bottom plate, receive the bench fixed mounting of heat and have the warm table, it is connected with two sets of flattening rollers to receive bench rotation, and is two sets of flattening roller is located the warm table both ends respectively.
Preferably, the tail end of the bottom plate is rotatably provided with a revolving roller.
Preferably, the preparation method of the double-sided flexible circuit board further comprises the following specific operation steps:
s1: the worker winds the unprocessed insulating flexible sheet on the starting roller, sequentially penetrates the unprocessed insulating flexible sheet through the extrusion roller and the bonding assembly in a manual traction mode, and simultaneously installs the processed insulating film on the insulating film installation roller, circuit diagram loopholes to be repeatedly etched are formed in the insulating film, and the liquid memory metal can be directly coated on the insulating flexible sheet through coating;
s2: after the processed insulating film is arranged on an insulating film mounting roller, enabling an unprocessed insulating flexible sheet to sequentially pass through a horizontal adjusting roller, a liquid metal storage box, an arc-shaped reversing channel and a heating table, and connecting the unprocessed insulating flexible sheet to a stop roller by passing through a reversing roller positioned at the upper part under the reversing action of a rotary roller;
s3: by starting the first servo motor, the unprocessed insulating flexible sheet is continuously wound on the stopping roller, the negative pressure pump and the heating sheet are simultaneously started, when the unprocessed insulating flexible sheet passes through the supporting boss, the unprocessed insulating flexible sheet drives the upper rubber roller to move due to the movement of the unprocessed insulating flexible sheet, meanwhile, the unprocessed insulating flexible sheet extrudes the pressure block on the upper rubber roller, the pressure block is extruded to push the blocking block to move downwards, the telescopic spring is compressed, when the blocking block moves downwards, the pipe orifice of the rubber filling pipe is opened, at the moment, under the action of the negative pressure pump, the adhesive in the adhesive containing box is continuously introduced into the adhesive buffer area of the upper rubber roller, under the pressure formed by the adhesive flushed into the adhesive buffer area, the adhesive in the adhesive buffer area enters the hollow supporting boss through the rubber filling pipe, and flows out from the adhesive outlet in the hollow supporting boss, under the action of the brush hair, the brush is uniformly brushed on the unprocessed insulating flexible sheet;
s4: when the unprocessed insulating flexible sheet is conveyed to the horizontal adjusting roller, pulling the insulating film on the insulating film mounting roller to be attached to the unprocessed insulating flexible sheet, attaching the insulating film at the head part to the insulating flexible sheet tightly under the action of the adhesive, and attaching the insulating film to the insulating flexible sheet under the pressing force of the horizontal adjusting roller;
s5: when the insulating film and the insulating flexible sheet are transported into the liquid metal storage box, under the action of the laying roller, the liquid metal in the liquid metal storage box is uniformly coated on the insulating film by the laying roller, and meanwhile, the protruded lines on the laying roller are the same as a circuit diagram to be re-etched on the insulating film, so that the liquid metal track which is the same as the circuit diagram on the insulating film can be ensured to be re-etched on the insulating flexible sheet, and the insulating film on the insulating flexible sheet is removed after the re-etching is finished, so that a complete single-sided circuit board can be obtained;
s6: after the complete single-sided circuit board is re-etched, the insulating flexible sheet can be completely contracted on the stopping roller, at the moment, the other side of the insulating flexible sheet on the stopping roller is sequentially reversed by the two groups of reversing rollers, and the re-etching of the back-side circuit can be completed by replacing the laying roller and the insulating film, so that the preparation of the double-sided flexible circuit board is completed.
The invention has the beneficial effects that:
1. the device rubs the circuit diagram with repeated engraving on the insulating film onto the insulating flexible sheet through the printing technology, and simultaneously repeatedly engraves the circuit diagram on the insulating flexible sheet through the liquid metal, thereby accelerating the preparation speed of the flexible circuit board and improving the production efficiency;
2. this device lays roller and insulating film through the change, can carry out different circuit diagrams of multiple engraving to the another side of insulating flexible piece, simultaneously on this production line, can carry out multiple engraving to the two-sided of same insulating flexible piece, has practiced thrift economic cost.
Drawings
FIG. 1 is a schematic view of the structure of the production line provided by the present invention;
FIG. 2 is a left side view of the production line provided by the present invention;
FIG. 3 is a right side view of the production line provided by the present invention;
FIG. 4 is a view showing an installation position of the horizontal aligning roller according to the present invention;
FIG. 5 is a schematic structural view of a bonded assembly provided by the present invention;
FIG. 6 is a schematic view of the internal structure of the support frame according to the present invention;
FIG. 7 is a schematic structural view of various components of the base plate according to the present invention;
FIG. 8 is a schematic structural view of a glue applying assembly according to the present invention;
FIG. 9 is a schematic view of the structure at A in FIG. 8 according to the present invention;
FIG. 10 is a flow chart of the present invention for manufacturing a top surface of a flexible circuit board;
fig. 11 is a flowchart of a manufacturing process of the back side of the flexible printed circuit board according to the present invention.
In the figure: the device comprises a bonding device 100, a bonding assembly 110, a base frame 111, a supporting boss 112, a placing table 113, an adhesive placing box 114, a negative pressure pump 115, a flow pipe 116, a squeezing roller 117, a bonding adjusting roller 118, a gluing assembly 120, a gluing roller 121, an adhesive buffer zone 122, a glue filling pipe 123, a mounting groove 124, a heating sheet 125, bristles 126, a blocking block 127, a telescopic spring 128, a pressure receiving block 129, a glue outlet 130, a hollow supporting table 131, a supporting frame 140, a first servo motor 141, a second servo motor 142, a starting roller 143, a stopping roller 144, a reversing roller 145, a re-engraving device 200, a bottom plate 210, a first mounting frame 211, an insulating film mounting roller 212, a second mounting frame 213, a horizontal adjusting roller 214, a re-engraving table 220, a liquid metal storage box 221, a laying roller 222, an arc-shaped ridge table 223, an arc-shaped reversing channel 224, a heated table 230, a heating table 231, a flattening roller 232 and a revolving roller 240.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to fig. 1 to 11, the double-sided flexible printed circuit board manufacturing line and the manufacturing method thereof provided by the present invention include an adhering device 100 and a re-engraving device 200, wherein the adhering device 100 is located at an upper portion of the re-engraving device 200, and the adhering device 100 includes an adhering component 110: further comprising: a glue applying assembly 120 connected to the bonding assembly 110;
the gluing component 120 comprises a gluing roller 121, a bonding agent buffer area 122 is arranged in the middle of the gluing roller 121, a plurality of groups of glue filling pipes 123 are arranged on the inner side wall of the gluing roller 121, the inner side wall of the gluing roller 121 provides support for the glue filling pipes 123, the tail ends of the plurality of groups of glue filling pipes 123 are communicated with the bonding agent buffer area 122, a mounting groove 124 is arranged between two adjacent groups of glue filling pipes 123, heating sheets 125 are fixedly mounted in the mounting groove 124, the mounting groove 124 provides a mounting position for the heating sheets 125, the heating sheets 125 can heat the bonding agent in the bonding agent buffer area 122 and the glue filling pipes 123, so that the bonding agent is prevented from blocking the glue filling pipes 123 and being prevented from caking, specifically, when an unprocessed insulating flexible sheet passes through the support boss 112, the gluing roller 121 is driven to move due to the movement of the unprocessed insulating flexible sheet, and meanwhile, the unprocessed insulating flexible sheet extrudes a pressure block 129 on the gluing roller 121, the pressed block 129 is pressed to push the block 127 to move downwards, the expansion spring 128 is compressed, when the block 127 moves downwards, the nozzle of the glue filling pipe 123 is opened, at the moment, under the action of the negative pressure pump 115, the adhesive in the adhesive containing box 114 is continuously introduced into the adhesive buffer area 122 of the gluing roller 121, under the pressure formed by the adhesive flushed into the adhesive buffer area 122, the adhesive in the adhesive buffer area 122 enters the hollow support table 131 through the glue filling pipe 123 to flow out of the glue outlet 130 in the hollow support table 131, under the action of the bristles 126, the adhesive is uniformly brushed on the unprocessed insulating flexible sheet, particularly, when the pressed block 129 is separated from the insulating flexible sheet, the expansion spring 128 is reset under the action of elastic force, so that the pressed block 129 is pushed to move upwards, and the pressed block 129 is driven to block the glue filling pipe 123 and the hollow support table 131, thereby preventing the adhesive from flowing out to cause waste.
Furthermore, a plurality of groups of bristles 126 are fixedly mounted on the outer side wall of the upper rubber roller 121, the upper rubber roller 121 provides support for the bristles 126, a plurality of groups of hollow support tables 131 are fixedly mounted on the outer side wall of the upper rubber roller 121, the upper rubber roller 121 provides support for the hollow support tables 131, the plurality of groups of bristles 126 and the hollow support tables 131 are arranged in a circumferential array manner, so as to ensure that the adhesive in the upper rubber roller 121 can be uniformly distributed on the insulating flexible sheet, two groups of extension springs 128 are fixedly mounted at the bottom of the hollow support tables 131, the hollow support tables 131 provide support for the extension springs 128, the inner side wall of the hollow support tables 131 is connected with a pressure block 129 in a sealing and sliding manner, the other ends of the two groups of extension springs 128 are fixedly connected with the bottom end of the pressure block 129, a plug 127 is fixedly mounted at the middle of the bottom end of the pressure block 129, the plug 127 penetrates through the hollow support tables 131 and the rubber filling pipe 123 in a sealing manner, and both ends of the top of the hollow support tables 131 are provided with rubber outlets 130, specifically, the hollow support table 131 is connected with the pressure block 129 in a sealing and sliding manner, so that the adhesive can only flow out from the adhesive outlet 130, the adhesive flowing onto the insulating flexible sheet is uniform, and meanwhile, the multiple groups of bristles are arranged, so that the adhesive can be uniformly coated on each corner of the insulating flexible sheet.
Further, the bonding assembly 110 includes a base frame 111, two ends of the glue applying roller 121 are rotatably connected to inner walls of two sides of the base frame 111, the base frame 111 provides a support for the glue applying roller 121, a support boss 112 is fixedly installed at the bottom of the base frame 111 under the glue applying roller 121, the base frame 111 provides a support for the support boss 112, a placing table 113 is fixedly installed on the base frame 111 over the glue applying roller 121, the base frame 111 provides a support for the placing table 113, an adhesive placing box 114 is fixedly installed on the placing table 113, the placing table 113 provides a support for the adhesive placing box 114, one end of the adhesive placing box 114 is provided with a negative pressure pump 115, the negative pressure pump 115 is communicated with the adhesive placing box 114, an output end of the negative pressure pump 115 is fixedly installed with a flow pipe 116, the tail end of the flow pipe 116 is rotatably and hermetically connected to the glue applying roller 121, bonding adjusting rollers 118 are rotatably connected to the base frame 111 at two ends of the glue applying roller 121, specifically, by starting the negative pressure pump 115, under the effect of negative pressure, the adhesive in the adhesive placing box 114 can be continuously introduced into the gluing roller 121, so that pressure is provided for the gluing roller 121 to paint on the insulating flexible sheet, particularly, the supporting boss 112 is arranged to support the insulating flexible sheet, so that the gluing roller 121 can paint on the insulating flexible sheet conveniently, the bonding adjusting roller 118 can compress the insulating flexible sheet on the supporting boss 112, and meanwhile, the bonding adjusting roller 118 positioned at the front end of the gluing roller 121 can further uniformly press the adhesive on the insulating flexible sheet.
Further, the bonding device 100 further comprises a support frame 140, the front end of the support frame 140 is fixedly connected with the base frame 111, the support frame 140 provides support for the base frame 111, the inner walls of the two sides of the support frame 140 are respectively and rotatably connected with a start roller 143 and a stop roller 144, the outer wall of one side of the support frame 140 is fixedly provided with a first servo motor 141 and a second servo motor 142, the output shaft of the first servo motor 141 is fixedly connected with the stop roller 144, the output shaft of the second servo motor 142 is fixedly connected with the start roller 143, by driving the first servo motor 141, the output shaft of the first servo motor 141 can drive the stop roller 144 to rotate, thereby be convenient for carry out the rolling to the insulating flexible piece of unprocessed, like this, through drive second servo motor 142, second servo motor 142 output shaft can drive originated roller 143 and rotate to be convenient for carry out the rolling to the insulating flexible piece of processing one side.
Further, the front end of the base frame 111 is rotatably connected with two sets of squeezing rollers 117, the base frame 111 provides support for the two sets of squeezing rollers 117, the two sets of squeezing rollers 117 are not located on the same horizontal plane, the inner walls of the two sides of the support frame 140 are respectively rotatably connected with two sets of reversing rollers 145, the two sets of reversing rollers 145 are located on the same vertical plane, specifically, the squeezing rollers 117 can perform tensioning operation on the insulating flexible sheet, and the reversing rollers 145 can reverse the insulating flexible sheet.
Further, the multiple engraving apparatus 200 includes a bottom plate 210, the base frame 111 is fixedly connected to the bottom plate 210, a first mounting frame 211 is fixedly mounted on the bottom plate 210, the bottom plate 210 supports the first mounting frame 211, the inner walls of both sides of the first mounting frame 211 are rotatably connected to insulating film mounting rollers 212, a second mounting frame 213 is fixedly mounted on the bottom plate 210, the inner walls of both sides of the second mounting frame 213 are rotatably connected to horizontal adjustment rollers 214, two sets of the horizontal adjustment rollers 214 are provided, the two sets of the horizontal adjustment rollers 214 are located on the same vertical plane, specifically, when the raw insulating flexible sheet is transported to the level adjusting roller 214, the insulating film on the insulating film mounting roller 212 is pulled to fit the raw insulating flexible sheet, under the action of the adhesive, the insulating film of the head portion is tightly attached to the insulating flexible sheet, and under the pressing force of the horizontal aligning roller 214, the insulating film is attached to the insulating flexible sheet.
Further, a double-engraving table 220 is fixedly installed on the bottom plate 210, the double-engraving table 220 is located at the rear of the two sets of horizontal adjusting rollers 214, the top surface of the double-engraving table 220 is tangent to the horizontal adjusting rollers 214 located at the bottom, when an insulating film and an insulating flexible sheet are adhered together, the insulating film and the insulating flexible sheet can be just transported out of the double-engraving table 220 so as to enter the liquid metal storage box 221, a liquid metal storage box 221 is fixedly installed on the double-engraving table 220, the inner walls of the two sides of the liquid metal storage box 221 are hermetically and rotatably connected with three sets of laying rollers 222, the laying rollers 222 located at the two ends are tangent to the inner side wall of the liquid metal storage box 221, an arc-shaped terrace 223 is clamped at the tail end of the double-engraving table 220, an arc-shaped reversing channel 224 is formed between the arc-shaped terrace 223 and the double-engraving table 220, specifically, when the insulating film and the insulating flexible sheet are transported into the liquid metal storage box 221, under the action of the laying rollers 222, the liquid metal storage box 221, the liquid metal in the liquid metal storage box 221 can be uniformly coated on the insulating film by the laying rollers 222, meanwhile, the protruding lines on the paving roller 222 are the same as the circuit diagram to be etched on the insulating film, so that the liquid metal track which is the same as the circuit diagram on the insulating film can be ensured to be etched on the insulating flexible sheet, and the insulating film on the insulating flexible sheet is removed after the etching is finished, so that the complete single-sided circuit board can be obtained.
Further, fixed mounting has the platform 230 of being heated on the bottom plate 210, the bottom plate 210 provides the support for the platform 230 of being heated, fixed mounting has the heating stage 231 on the platform 230 of being heated, it is connected with two sets of flattening rollers 232 to be heated to rotate on the platform 230, two sets of flattening rollers 232 are located the heating stage 231 both ends respectively, it is specific, when being carved out complete circuit diagram on the insulating flexible sheet, through the heating of heating stage 231, can make the liquid metal on the insulating flexible sheet solidify, later get rid of the insulating film and can obtain complete single face circuit board.
Further, a revolving roller 240 is rotatably mounted at the end of the bottom plate 210, and specifically, the revolving roller 240 has a reversing function and can guide the processed insulating flexible sheet into the supporting frame 140.
Further, the preparation method of the double-sided flexible circuit board further comprises the following specific operation steps:
s1: the worker winds the unprocessed insulating flexible sheet on the starting roller 143, sequentially penetrates the unprocessed insulating flexible sheet through the extrusion roller 117 and the bonding assembly 110 in a manual traction mode, and installs the processed insulating film on the insulating film installation roller 212, wherein circuit diagram holes to be repeatedly etched are formed in the insulating film, and the liquid memory metal can be directly coated on the insulating flexible sheet through paint;
s2: after the treated insulation film is mounted on the insulation film mounting roll 212, the unprocessed insulation flexible sheet is sequentially passed through the horizontal steering roll 214, the liquid metal storage cassette 221, the arc-shaped reversing path 224 and the heating table 231, and is connected to the finishing roll 144 by passing through the reversing roll 145 located at the upper portion by the reversing action of the rotating roll 240;
s3: by starting the first servo motor 141, the unprocessed insulating flexible sheet is continuously wound on the stop roller 144, and the negative pressure pump 115 and the heating sheet 125 are started, when the unprocessed insulating flexible sheet passes through the support boss 112, the unprocessed insulating flexible sheet will drive the gluing roller 121 to move due to the movement of the unprocessed insulating flexible sheet, and at the same time, the unprocessed insulating flexible sheet will press the pressed block 129 on the gluing roller 121, the pressed block 129 will be pressed, the block 127 will be pushed to move downwards, and the expansion spring 128 will be compressed, when the block 127 moves downwards, the nozzle of the glue filling pipe 123 is opened, at this time, under the action of the negative pressure pump 115, the adhesive in the adhesive containing box 114 is continuously introduced into the adhesive buffer zone 122 of the gluing roller 121, under the pressure formed by the adhesive flushed into the adhesive buffer zone 122, the adhesive in the adhesive buffer zone 122 enters the hollow support table 131 through the glue filling pipe 123, so as to flow out from the glue outlet 130 in the hollow support table 131, and the glue is uniformly brushed on the unprocessed insulating flexible sheet under the action of the brush hairs 126;
s4: when the unprocessed insulating flexible sheet is conveyed to the horizontal adjusting roller 214, the insulating film on the insulating film mounting roller 212 is pulled to be attached to the unprocessed insulating flexible sheet, the insulating film on the head part is tightly attached to the insulating flexible sheet under the action of the adhesive, and the insulating film is attached to the insulating flexible sheet under the pressing force of the horizontal adjusting roller 214;
s5: when the insulating film and the insulating flexible sheet are transported into the liquid metal storage box 221, under the action of the laying roller 222, the liquid metal in the liquid metal storage box 221 is uniformly coated on the insulating film by the laying roller 222, and meanwhile, the protruded lines on the laying roller 222 are the same as the circuit diagram to be re-etched on the insulating film, so that the liquid metal track which is the same as the circuit diagram on the insulating film can be ensured to be re-etched on the insulating flexible sheet, and the insulating film on the insulating flexible sheet is removed after the re-etching is finished, so that a complete single-sided circuit board can be obtained;
s6: after the complete single-sided circuit board is re-etched, the insulating flexible sheet can be completely contracted on the stopping roller 144, at the moment, the other side of the insulating flexible sheet on the stopping roller 144 is sequentially reversed by the two groups of reversing rollers 145, and the re-etching of the back circuit can be completed by replacing the laying roller 222 and the insulating film, so that the preparation of the double-sided flexible circuit board is completed.
The application process of the invention is as follows: a person skilled in the art winds the unprocessed insulating flexible sheet on the start roller 143, sequentially passes the unprocessed insulating flexible sheet through the squeeze roller 117 and the bonding assembly 110 by means of manual traction, simultaneously installs the processed insulating film on the insulating film installation roller 212, the insulating film is provided with circuit pattern leaks to be re-engraved, directly coats the liquid memory metal on the insulating flexible sheet by means of paint, after installing the processed insulating film on the insulating film installation roller 212, sequentially passes the unprocessed insulating flexible sheet through the horizontal adjustment roller 214, the liquid metal storage box 221, the arc-shaped reversing path 224 and the heating table 231, connects the unprocessed insulating flexible sheet to the stop roller 144 by passing through the reversing roller 145 positioned at the upper part through the reversing action of the rotating roller 240, and continuously winds the unprocessed insulating flexible sheet on the stop roller 144 by starting the first servo motor 141, the negative pressure pump 115 and the heating plate 125 are started at the same time, when the unprocessed insulating flexible sheet passes through the supporting boss 112, the upper rubber roll 121 is driven to move due to the movement of the unprocessed insulating flexible sheet, meanwhile, the unprocessed insulating flexible sheet presses the pressure block 129 on the upper rubber roll 121, the pressure block 129 is pressed, the blocking block 127 is pushed to move downwards, the telescopic spring 128 is compressed, when the blocking block 127 moves downwards, the pipe orifice of the rubber filling pipe 123 is opened, at the moment, under the action of the negative pressure pump 115, the adhesive in the adhesive containing box 114 is continuously introduced into the adhesive buffer area 122 of the upper rubber roll 121, under the pressure formed by the adhesive which is injected into the adhesive buffer area 122, the adhesive in the adhesive buffer area 122 enters the hollow supporting table 131 through the rubber filling pipe 123, and flows out from the adhesive outlet 130 in the hollow supporting table 131, under the action of the bristles 126, uniformly brushing the insulating film on the unprocessed insulating flexible sheet, when the unprocessed insulating flexible sheet is conveyed to the horizontal adjusting roller 214, pulling the insulating film on the insulating film mounting roller 212 to be attached to the unprocessed insulating flexible sheet, under the action of an adhesive, tightly attaching the insulating film at the head part to the insulating flexible sheet, attaching the insulating film to the insulating flexible sheet under the pressing force of the horizontal adjusting roller 214, when the insulating film and the insulating flexible sheet are conveyed into the liquid metal storage box 221, under the action of the laying roller 222, uniformly coating the liquid metal in the liquid metal storage box 221 on the insulating film by the laying roller 222, and simultaneously arranging the protruding grains on the laying roller 222 to be the same as the circuit diagram to be repeatedly etched on the insulating film, at the moment, ensuring that the liquid metal track on the insulating flexible sheet is repeatedly etched as the circuit diagram on the insulating film, after the double-sided flexible circuit board is etched again, the insulating film on the insulating flexible sheet is removed, the complete single-sided circuit board can be obtained, the insulating flexible sheet can be completely contracted on the stopping roller 144 after the complete single-sided circuit board is etched again, at the moment, the other side of the insulating flexible sheet on the stopping roller 144 is sequentially reversed by the two groups of reversing rollers 145, the circuit on the back side can be etched again by replacing the laying roller 222 and the insulating film, and therefore the double-sided flexible circuit board is manufactured.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a two-sided flexible line way board preparation production line, includes bonding device (100) and carves device (200) again, bonding device (100) are located and carve device (200) upper portion again, its characterized in that: the bonding apparatus (100) includes a bonding assembly (110): further comprising: a gluing component (120) connected with the bonding component (110);
rubberizing subassembly (120) are including sizing roller (121), sizing roller (121) middle part is equipped with adhesive buffer (122), sizing roller (121) inside wall is equipped with the multiunit and fills rubber tube (123), multiunit fill rubber tube (123) end all with adhesive buffer (122) intercommunication, adjacent two sets of fill and be equipped with mounting groove (124) between rubber tube (123), equal fixed mounting has heating plate (125) in mounting groove (124).
2. The double-sided flexible circuit board manufacturing line according to claim 1, characterized in that: go up rubber roll (121) lateral wall fixed mounting have multiunit brush hair (126), it has multiunit hollow brace table (131) to go up rubber roll (121) lateral wall fixed mounting, the multiunit brush hair (126) all are the circumference array with hollow brace table (131) and arrange, hollow brace table (131) bottom fixed mounting has two sets of expanding spring (128), hollow brace table (131) inside wall seal sliding connection has and receives piece (129), two sets of expanding spring (128) other end all with receive piece (129) bottom fixed connection, receive piece (129) bottom middle part fixed mounting have sprue (127), sprue (127) seal sliding runs through hollow brace table (131) and fills gluey pipe (123), hollow brace table (131) top both ends all are equipped with out jiao kou (130).
3. The double-sided flexible circuit board manufacturing line according to claim 1, characterized in that: the bonding assembly (110) comprises a base frame (111), two ends of the gluing roller (121) are rotatably connected with the inner walls of two sides of the base frame (111), a supporting boss (112) is fixedly installed at the bottom of the base frame (111) right below the gluing roller (121), a placing table (113) is fixedly installed on the base frame (111) right above the gluing roller (121), an adhesive placing box (114) is fixedly arranged on the placing table (113), one end of the adhesive placing box (114) is provided with a negative pressure pump (115), the negative pressure pump (115) is communicated with the adhesive placing box (114), the output end of the negative pressure pump (115) is fixedly provided with a circulating pipe (116), the tail end of the circulating pipe (116) is in rotary sealing connection with the gluing roller (121), and the base frames (111) at the two ends of the gluing roller (121) are respectively in rotary connection with the bonding adjusting roller (118).
4. The double-sided flexible circuit board preparation production line of claim 3, characterized in that: the bonding device (100) further comprises a support frame (140), the front end of the support frame (140) is fixedly connected with the base frame (111), the inner walls of two sides of the support frame (140) are respectively and rotatably connected with a starting roller (143) and a stopping roller (144), the outer wall of one side of the support frame (140) is fixedly provided with a first servo motor (141) and a second servo motor (142), the output shaft of the first servo motor (141) is fixedly connected with the stopping roller (144), and the output shaft of the second servo motor (142) is fixedly connected with the starting roller (143).
5. The double-sided flexible circuit board manufacturing line according to claim 4, characterized in that: the front end of the base frame (111) is rotatably connected with two groups of squeezing rollers (117), the two groups of squeezing rollers (117) are not located on the same horizontal plane, the inner walls of two sides of the support frame (140) are respectively rotatably connected with two groups of reversing rollers (145), and the two groups of reversing rollers (145) are located on the same vertical plane.
6. The double-sided flexible circuit board manufacturing line according to claim 3, characterized in that: the double-engraving device (200) comprises a bottom plate (210), a base frame (111) is fixedly connected with the bottom plate (210), a first mounting frame (211) is fixedly mounted on the bottom plate (210), inner walls of two sides of the first mounting frame (211) are rotatably connected with insulating film mounting rollers (212), a second mounting frame (213) is fixedly mounted on the bottom plate (210), inner walls of two sides of the second mounting frame (213) are rotatably connected with horizontal adjusting rollers (214), the horizontal adjusting rollers (214) are provided with two groups, and the horizontal adjusting rollers (214) are located on the same vertical plane.
7. The double-sided flexible circuit board manufacturing line of claim 6, characterized in that: fixed mounting has compound platform of carving (220) on bottom plate (210), compound platform of carving (220) is located two sets of horizontal adjustment roller (214) rear portions, it is tangent with horizontal adjustment roller (214) that are located the bottom to carve platform (220) top surface, fixed mounting has liquid metal case (221) on compound platform of carving (220), liquid metal case (221) both sides inner wall sealed rotation is connected with three groups and lays roller (222), is located both ends it all is tangent with liquid metal case (221) inside wall to lay roller (222), compound platform of carving (220) terminal joint has arc terrace with edges (223), form arc switching-over way (224) between arc terrace with edges (223) and compound platform of carving (220).
8. The double-sided flexible circuit board manufacturing line of claim 6, characterized in that: fixed mounting has heated platform (230) on bottom plate (210), fixed mounting has warm table (231) on heated platform (230), it is connected with two sets of flattening rollers (232) to rotate on heated platform (230), and is two sets of flattening roller (232) are located warm table (231) both ends respectively.
9. The double-sided flexible circuit board manufacturing line of claim 6, characterized in that: the tail end of the bottom plate (210) is rotatably provided with a rotary roller (240).
10. The method for manufacturing a double-sided flexible wiring board according to claim 1, characterized in that: the method also comprises the following specific operation steps:
s1: an operator winds an unprocessed insulating flexible sheet on a starting roller (143), sequentially penetrates the unprocessed insulating flexible sheet through a squeezing roller (117) and a bonding assembly (110) in a manual traction mode, and simultaneously installs a processed insulating film on an insulating film installation roller (212), wherein the insulating film is provided with circuit diagram holes to be repeatedly etched, and liquid memory metal can be directly coated on the insulating flexible sheet through paint;
s2: after the treated insulating film is mounted on an insulating film mounting roller (212), the unprocessed insulating flexible sheet passes through a horizontal adjusting roller (214), a liquid metal storage box (221), an arc-shaped reversing channel (224) and a heating table (231) in sequence, and is connected to a stop roller (144) by passing through a reversing roller (145) positioned at the upper part through the reversing action of a rotary roller (240);
s3: by starting the first servo motor (141), the unprocessed insulating flexible sheet is continuously wound on the stop roller (144), and simultaneously, the negative pressure pump (115) and the heating sheet (125) are started, when the unprocessed insulating flexible sheet passes through the supporting boss (112), the unprocessed insulating flexible sheet drives the gluing roller (121) to move due to the movement of the unprocessed insulating flexible sheet, meanwhile, the unprocessed insulating flexible sheet presses the pressure block (129) on the gluing roller (121), the pressure block (129) is pressed, the blocking block (127) is pushed to move downwards, meanwhile, the expansion spring (128) is compressed, when the blocking block (127) moves downwards, the pipe opening of the gluing pipe (123) is opened, at the moment, under the action of the negative pressure pump (115), the adhesive in the adhesive containing box (114) is continuously introduced into the adhesive buffer area (122) of the gluing roller (121), and under the pressure formed by the adhesive flushed into the adhesive buffer area (122), the adhesive in the adhesive buffer area (122) enters the hollow support platform (131) through the adhesive filling pipe (123) so as to flow out of the adhesive outlet (130) in the hollow support platform (131), and is uniformly brushed on the unprocessed insulating flexible sheet under the action of the bristles (126);
s4: when the unprocessed flexible insulating sheet is conveyed to the horizontal adjusting roller (214), the insulating film on the insulating film mounting roller (212) is pulled to be attached to the unprocessed flexible insulating sheet, the insulating film at the head part is tightly attached to the flexible insulating sheet under the action of an adhesive, and the insulating film is attached to the flexible insulating sheet under the pressing force of the horizontal adjusting roller (214);
s5: when the insulating film and the insulating flexible sheet are transported into the liquid metal storage box (221), under the action of the laying roller (222), liquid metal in the liquid metal storage box (221) is uniformly coated on the insulating film by the laying roller (222), and meanwhile, the protruding grains on the laying roller (222) are arranged to be the same as a circuit diagram to be re-etched on the insulating film, so that the liquid metal track which is the same as the circuit diagram on the insulating film can be ensured to be re-etched on the insulating flexible sheet, and the insulating film on the insulating flexible sheet is removed after the re-etching is finished, so that a complete single-sided circuit board can be obtained;
s6: after the complete single-sided circuit board is re-etched, the insulating flexible sheet can be completely contracted on the stopping roller (144), at the moment, the other side of the insulating flexible sheet on the stopping roller (144) is sequentially reversed by the two groups of reversing rollers (145), and the re-etching of the back circuit can be completed by replacing the laying roller (222) and the insulating film, so that the preparation of the double-sided flexible circuit board is completed.
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| CN114615817B (en) | 2022-11-01 |
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