CN114474699B - Technology for increasing PT film on flexible circuit board cover film - Google Patents
Technology for increasing PT film on flexible circuit board cover film Download PDFInfo
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- CN114474699B CN114474699B CN202111587729.XA CN202111587729A CN114474699B CN 114474699 B CN114474699 B CN 114474699B CN 202111587729 A CN202111587729 A CN 202111587729A CN 114474699 B CN114474699 B CN 114474699B
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- film
- flexible circuit
- circuit board
- hot press
- glue
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- 239000010408 film Substances 0.000 title claims abstract description 159
- 239000013039 cover film Substances 0.000 title claims abstract description 38
- 238000007731 hot pressing Methods 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 21
- 239000003292 glue Substances 0.000 claims description 41
- 239000000758 substrate Substances 0.000 claims description 40
- 238000004026 adhesive bonding Methods 0.000 claims description 36
- 230000007246 mechanism Effects 0.000 claims description 24
- 239000000047 product Substances 0.000 claims description 13
- 238000005520 cutting process Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 239000011265 semifinished product Substances 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 7
- 238000007605 air drying Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000003475 lamination Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims 2
- 210000002489 tectorial membrane Anatomy 0.000 description 10
- 238000009434 installation Methods 0.000 description 8
- 230000008602 contraction Effects 0.000 description 7
- 210000002445 nipple Anatomy 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/0004—Component parts, details or accessories; Auxiliary operations
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
Abstract
The invention discloses a process for increasing PT film on a flexible circuit board cover film, which comprises a machine body, wherein an air cylinder is arranged at the top end of the machine body, a hot pressing plate is arranged at the output end of the air cylinder, the surface of the machine body is rotationally connected with a hot pressing table along the lower part of the hot pressing plate, and a control box is arranged on the side surface of the machine body.
Description
Technical Field
The invention relates to the technical field of circuit board processing, in particular to a process for adding PT film to a flexible circuit board cover film.
Background
The flexible circuit board is abbreviated as FPC, and is mainly characterized by being light, thin and bendable, and in the processing process of the flexible circuit board, products need to be covered with a film to protect etched circuits after being etched, so that the etched circuits can be more stable, the etched circuits are prevented from being damaged easily, but the following problems can occur in the actual operation process: the existing covering film auxiliary materials are thinner, the covering film materials are unstable in expansion and contraction, the covering film expansion and contraction can be caused by various factors such as environment, temperature and humidity, glue system, transportation and storage, and finally the covering film auxiliary materials cannot be matched with a base material main board during processing, so that the production operation efficiency is low, the deviation situation occurs, and the deviation can be bad to discard.
Disclosure of Invention
The invention aims to provide a PT film adding process for a flexible circuit board cover film, which aims to improve the problems that the existing cover film auxiliary materials are thinner, the cover film material is unstable in expansion and contraction, the cover film is expanded and contracted due to various factors such as environment, temperature and humidity, glue system, transportation and storage, and finally the cover film cannot be matched with a main board of a base material during processing, so that the production operation efficiency is low, the deviation situation occurs, and the deviation can generate bad scrapping.
The invention is realized in the following way:
a flexible circuit board covering film PT film adding process, S1: material preparation
Preparing a PT film and a covering film which are needed to be attached and used, simultaneously transporting glue to be used on gluing equipment, and then installing the PT film on the gluing equipment;
s2: glue feeding
Pouring the prepared glue into the gluing equipment, pouring the glue into the glue barrel of the gluing equipment, and simultaneously starting the heating function of the glue barrel to enable the glue to be in a softened state, so that the glue can smoothly enter the gluing mechanism;
s3: PT film surface gluing
Pulling out one end of the PT film, ensuring the PT film to pass through the lower part of the gluing mechanism, installing one end of the PT film passing through the gluing mechanism on the rewinding mechanism, pulling the PT film to be continuously pulled to move under the pulling of the rewinding mechanism, continuously coating glue on the surface of the PT film in the moving process, then air-drying the glue on the PT film coated with the glue through the air-drying mechanism, and then rewinding the PT film under the operation of the rewinding mechanism;
s4: lamination of cover film and PT film
Installing the covering film and the PT film after gluing on a film laminating device, aligning and laminating one ends of the covering film and the PT film after gluing together, ensuring that the one ends of the covering film and the PT film after gluing pass through a hot press roller, softening the glue of the PT film after gluing through the hot press roller, so that the covering film and the PT film can be stably laminated together, and rewinding the laminated covering film and PT film together by a rewinding mechanism;
s5: cutting semi-finished film
Placing the semi-finished product with the cover film and the PT film attached together on cutting equipment, enabling the cutting equipment to cut the semi-finished product film according to the shape of the flexible circuit board substrate, enabling the cutting equipment to cut the semi-finished product film into a shape matched with the shape of the flexible circuit board substrate, and then storing the cut finished product film;
s6: flexible circuit board coating film
Placing the flexible circuit board on a workbench of a hot press, taking out the cut finished product from a warehouse, removing release paper of the finished product film, and attaching the finished product film removed from the release paper to a flexible circuit board substrate;
s7: hot pressing treatment
Placing the flexible circuit board substrate bonded with the finished film on a hot press table of a hot press, driving the hot press to carry out hot pressing on the flexible circuit board substrate, stopping hot pressing when the hot press temperature reaches 100 ℃, removing the PT film and glue bonded with the surface of the cover film, and then placing the flexible circuit board substrate under the hot press table again, so that the hot press table continuously carries out hot pressing on the flexible circuit board substrate and the cover film on the surface of the flexible circuit board substrate to 180 ℃, and the flexible circuit board and the cover film are stably bonded together, thereby ensuring that the phenomenon of offset does not occur between the cover film and the flexible circuit board substrate, and avoiding the problem that the flexible circuit board substrate is scrapped due to the offset of the cover film;
s8: warehouse-in of flexible circuit board
The flexible circuit boards after being attached with the covering films are sorted, stored and registered in a book, so that the statistics of the stored flexible circuit boards by subsequent staff is facilitated, further production plans are conveniently planned, and the flexible circuit board production and processing can be orderly carried out according to the production plans.
Further, in step S6, the flexible circuit board film is required to ensure that no offset phenomenon exists between the flexible circuit board substrate and the finished film when the finished film is attached, and the finished film is ensured to be attached to the surface of the flexible circuit board substrate accurately, so that the finished film can effectively protect the etching circuit on the flexible circuit board substrate.
Further, the hot press in the step S7 comprises a machine body, wherein an air cylinder is arranged at the top end of the machine body, a hot pressing plate is arranged at the output end of the air cylinder, the surface of the machine body is rotationally connected with a hot pressing table along the lower part of the hot pressing plate, and a control box is arranged on the side surface of the machine body; the organism is convenient for the normal operation of whole hot press, and the use of whole hot press of being convenient for, and the cylinder is convenient for drive hot pressing board reciprocates to conveniently carry out the hot pressing to flexible circuit board, the hot pressing platform is convenient for carry out the bearing to flexible circuit board base plate, thereby conveniently rotate and carry out tectorial membrane hot pressing basically to flexible circuit board, the control box is convenient for control whole hot pressing equipment, the use of whole hot pressing equipment of being convenient for.
Further, four corners of the bottom surface of the machine body are provided with supporting legs, the inclined surface at the front end of the machine body is provided with a control panel, the position, close to the front end, of the upper surface of the machine body is provided with a bearing, and the rear end of the upper surface of the machine body is provided with a supporting frame; the stabilizer blade is convenient for place that whole hot pressing equipment is stable, and the use of whole hot pressing equipment of being convenient for controls the upper and lower removal of panel be convenient for the control cylinder, and the use of cylinder of being convenient for, the support frame is convenient for support cylinder and control box, and the operation of the whole equipment of cylinder and the stable cooperation of control box of being convenient for.
Further, a supporting plate is arranged on the inner side of the top of the supporting frame, a perforation is arranged in the middle of the supporting plate, a connecting column is arranged at the position, close to the top end, of the side face of the supporting frame, a threading hole is formed in the middle of the connecting column, and a flange plate is arranged at the end of the connecting column; the bearing board is convenient for bear the cylinder, makes things convenient for the installation and the fixed of cylinder, and the spliced pole is convenient for cooperate the control box, and the installation of control box of being convenient for, the wire of the inside wire of organism of through wires hole is convenient for wears out to make things convenient for the inside wire of organism to link together with the control box, the ring flange is convenient for cooperate the control box, and the convenience is through the position of bolt fastening control box, the stable installation of control box of being convenient for.
Further, the positions, close to the top end and the bottom end, of the side face of the air cylinder are respectively provided with a nipple, the bottoms of the front end and the rear end face of the air cylinder are respectively provided with a fixed plate, a plurality of fixed holes are formed in the fixed plates, the output end of the air cylinder is provided with a telescopic rod, and the bottom end of the telescopic rod is provided with a stud; the nipple is convenient for cooperate the air pump, makes things convenient for the air pump and the cylinder is connected, and the air pump of being convenient for drives the cylinder and stretches out and draws back, and fixed plate and fixed orifices are convenient for mutually support to the position of conveniently fixing the cylinder through the bolt, the stable use of cylinder of being convenient for, telescopic link and double-screw bolt cooperation hot pressing plate, the convenience drives hot pressing plate and reciprocates.
Further, a connecting table is arranged in the middle of the upper surface of the hot pressing plate, a connecting groove is arranged in the middle of the connecting table, a wire is arranged on the side face of the hot pressing plate, and an inserting joint is arranged at the end part of the wire; the connecting table and the connecting groove are convenient for the telescopic rod, the hot pressing plate and the telescopic rod are convenient to connect together, the hot pressing plate is convenient to mount and dismount, the lead and the plug connector are convenient to cooperate with the control box, and the hot pressing plate and the control box are convenient to connect together.
Furthermore, an adapter is arranged in the middle of the bottom surface of the hot pressing table, an adapter shaft is arranged on the bottom surface of the adapter, a holding ring is arranged on the arc surface of the hot pressing table, and the holding ring and the hot pressing table are connected together through a connecting rod; the adapter and the adapter shaft are convenient for cooperate with the bearing, make things convenient for the hot-pressing platform to rotate with the organism to be connected, the installation and the use of hot-pressing platform of being convenient for, grip ring and connecting rod are convenient for the staff to rotate the hot-pressing platform, and the nimble rotation and the use of hot-pressing platform of being convenient for are convenient for assist the staff to carry out hot pressing treatment to flexible circuit board fast to the hot-pressing platform.
Further, a control panel is arranged on the front surface of the control box, a power receiving groove is arranged at the bottom end of the control box, and a wire inlet hole is arranged on the side surface of the control box; the control panel is convenient for control the whole equipment, and the normal operation and the use of whole equipment of being convenient for connect the electric tank and be convenient for cooperate the hot pressing board, make things convenient for hot pressing board circular telegram and use, the wire inlet is convenient for the wire to get into the control box inside and the circuit link of control box inside together.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, through improving and optimizing the structure of the covering film, a layer of PT film is added on the surface of the covering film, the strength of the covering film is increased through the PT film, and the expansion and contraction of the covering film is controlled, so that the covering film can be quickly and effectively attached to the surface of the flexible circuit board when the surface of the flexible circuit board is subjected to covering film processing, the efficiency of workers on the covering film of the flexible circuit board can be effectively improved, meanwhile, the covering film with the structure can enable the covering film on the surface of the flexible circuit board to be accurate, the phenomenon of deviation caused by expansion and contraction of the covering film can be avoided, and the rejection rate of the flexible circuit board is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a process flow diagram of the present invention;
FIG. 2 is a schematic view of a hot press according to the present invention;
FIG. 3 is a schematic view of the structure of the body of the present invention;
FIG. 4 is a schematic view of the structure of the cylinder of the present invention;
FIG. 5 is a schematic view of the structure of the hot platen of the present invention;
FIG. 6 is a schematic view of the structure of the hot press table of the present invention;
FIG. 7 is a schematic view of the structure of the control box of the present invention;
in the figure: 1-a machine body; 11-supporting legs; 12-a control panel; 13-bearing; 14-supporting frames; 15-supporting plate; 16-perforating; 17-connecting columns; 171-threading holes; 18-a flange plate; 2-cylinder; 21-connector; 22-a fixed plate; 23-fixing holes; 24-telescoping rod; 25-studs; 3-a hot press plate; 31-a connection station; 32-connecting grooves; 33-conducting wires; 34-plug; 4-a hot press stage; 41-adapter; 42-switching shaft; 43-grip ring; 44-connecting rods; 5-a control box; 51-a control panel; 52-a power receiving groove; 53-wire inlet holes.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Examples: referring to fig. 1, it is shown that: a flexible circuit board covering film PT film adding process comprises the following specific steps of S1: material preparation
Preparing a PT film and a covering film which are needed to be attached and used, simultaneously transporting glue to be used on gluing equipment, and then installing the PT film on the gluing equipment;
s2: glue feeding
Pouring the prepared glue into the gluing equipment, pouring the glue into the glue barrel of the gluing equipment, and simultaneously starting the heating function of the glue barrel to enable the glue to be in a softened state, so that the glue can smoothly enter the gluing mechanism;
s3: PT film surface gluing
Pulling out one end of the PT film, ensuring the PT film to pass through the lower part of the gluing mechanism, installing one end of the PT film passing through the gluing mechanism on the rewinding mechanism, pulling the PT film to be continuously pulled to move under the pulling of the rewinding mechanism, continuously coating glue on the surface of the PT film in the moving process, then air-drying the glue on the PT film coated with the glue through the air-drying mechanism, and then rewinding the PT film under the operation of the rewinding mechanism;
s4: lamination of cover film and PT film
Installing the covering film and the PT film after gluing on a film laminating device, aligning and laminating one ends of the covering film and the PT film after gluing together, ensuring that the one ends of the covering film and the PT film after gluing pass through a hot press roller, softening the glue of the PT film after gluing through the hot press roller, so that the covering film and the PT film can be stably laminated together, and rewinding the laminated covering film and PT film together by a rewinding mechanism;
s5: cutting semi-finished film
Placing the semi-finished product with the cover film and the PT film attached together on cutting equipment, enabling the cutting equipment to cut the semi-finished product film according to the shape of the flexible circuit board substrate, enabling the cutting equipment to cut the semi-finished product film into a shape matched with the shape of the flexible circuit board substrate, and then storing the cut finished product film;
s6: flexible circuit board coating film
Placing the flexible circuit board on a workbench of a hot press, taking out the cut finished product from a warehouse, removing release paper of the finished product film, and attaching the finished product film removed from the release paper to a flexible circuit board substrate; when the finished film is attached, the phenomenon of deviation between the flexible circuit board substrate and the finished film is avoided, and the finished film is ensured to be attached to the surface of the flexible circuit board substrate accurately, so that the finished film can effectively protect an etched circuit on the flexible circuit board substrate;
s7: hot pressing treatment
Placing the flexible circuit board substrate bonded with the finished film on a hot press table of a hot press, driving the hot press to carry out hot pressing on the flexible circuit board substrate, stopping hot pressing when the hot press temperature reaches 100 ℃, removing the PT film and glue bonded with the surface of the cover film, and then placing the flexible circuit board substrate under the hot press table again, so that the hot press table continuously carries out hot pressing on the flexible circuit board substrate and the cover film on the surface of the flexible circuit board substrate to 180 ℃, and the flexible circuit board and the cover film are stably bonded together, thereby ensuring that the phenomenon of offset does not occur between the cover film and the flexible circuit board substrate, and avoiding the problem that the flexible circuit board substrate is scrapped due to the offset of the cover film;
s8: warehouse-in of flexible circuit board
The flexible circuit boards after being attached with the covering films are sorted, stored and registered in a book, so that the statistics of the stored flexible circuit boards by subsequent staff is facilitated, further production plans are conveniently planned, and the flexible circuit board production and processing can be orderly carried out according to the production plans.
Referring to fig. 2, it is shown: the hot press in the step S7 comprises a machine body 1, wherein an air cylinder 2 is arranged at the top end of the machine body 1, a hot pressing plate 3 is arranged at the output end of the air cylinder 2, a hot pressing table 4 is rotatably connected to the surface of the machine body 1 along the lower part of the hot pressing plate 3, and a control box 5 is arranged on the side surface of the machine body 1; the machine body 1 is convenient for the normal operation of the whole hot press, the use of the whole hot press is convenient, the air cylinder 2 is convenient for driving the hot press plate 3 to move up and down, so that the hot press treatment of the flexible circuit board is convenient, the hot press table 4 is convenient for supporting the substrate of the flexible circuit board, the film-covered hot press treatment of the flexible circuit board is convenient for rotating and changing, the control box 5 is convenient for controlling the whole hot press equipment, and the use of the whole hot press equipment is convenient; this kind of structure makes the tectorial membrane surface increase one deck PT membrane, increases the intensity of tectorial membrane through the PT membrane, and then control the expansion and contraction of tectorial membrane itself to make when flexible circuit board surface carries out tectorial membrane processing can be fast effectual laminating at flexible circuit board surface with the tectorial membrane, can effectually improve staff to the efficiency of flexible circuit board tectorial membrane, the tectorial membrane of this kind of structure simultaneously can make flexible circuit board surface tectorial membrane accurate, can not appear the phenomenon of deviation because of the tectorial membrane expansion and contraction, thereby reduced the disability rate of flexible circuit board.
Referring to fig. 3, it is shown that: four corners of the bottom surface of the machine body 1 are provided with supporting legs 11, the inclined surface of the front end of the machine body 1 is provided with a control panel 12, the position, close to the front end, of the upper surface of the machine body 1 is provided with a bearing 13, and the rear end of the upper surface of the machine body 1 is provided with a supporting frame 14; the support legs 11 facilitate the stable placement of the whole hot pressing equipment, facilitate the use of the whole hot pressing equipment, the control panel 12 facilitates the up-and-down movement of the control cylinder 2, facilitate the use of the cylinder 2, the support frame 14 facilitates the support of the cylinder 2 and the control box 5, and facilitate the stable cooperation of the cylinder 2 and the control box 5 with the operation of the whole equipment; the inner side of the top of the supporting frame 14 is provided with a supporting plate 15, the middle part of the supporting plate 15 is provided with a perforation 16, the side surface of the supporting frame 14 is provided with a connecting column 17 near the top end, the middle part of the connecting column 17 is provided with a threading hole 171, and the end part of the connecting column 17 is provided with a flange 18; the bearing board 15 is convenient for bear the cylinder 2, makes things convenient for the installation and the fixed of cylinder 2, and spliced pole 17 is convenient for cooperate control box 5, and the installation of control box 5 is convenient for, and the wire 33 of organism 1 inside is worn out to the through wires hole 171 is convenient for, thereby makes things convenient for organism 1 inside wire 33 and control box 5 to link together, and the ring flange 18 is convenient for cooperate control box 5, and the position of conveniently fixing control box 5 through the bolt is convenient for the stable installation of control box 5.
Referring to fig. 4, it is shown that: the positions of the side surface of the air cylinder 2, which are close to the top end and the bottom end, are respectively provided with a connector 21, the bottoms of the front end and the rear end of the air cylinder 2 are respectively provided with a fixed plate 22, a plurality of fixed holes 23 are formed in the fixed plates 22, the output end of the air cylinder 2 is provided with a telescopic rod 24, and the bottom end of the telescopic rod 24 is provided with a stud 25; the nipple 21 is convenient for cooperate the air pump, makes things convenient for the air pump to be connected with cylinder 2, and the air pump of being convenient for drives cylinder 2 and stretches out and draws back, and fixed plate 22 and fixed orifices 23 are convenient for mutually support to the position of conveniently fixing cylinder 2 through the bolt, the stable use of cylinder 2 of being convenient for, telescopic link 24 and double-screw bolt 25 cooperation hot pressing plate 3, the convenience is driven hot pressing plate 3 to reciprocate.
Referring to fig. 5, it is shown that: the middle part of the upper surface of the hot pressing plate 3 is provided with a connecting table 31, the middle part of the connecting table 31 is provided with a connecting groove 32, the side surface of the hot pressing plate 3 is provided with a lead 33, and the end part of the lead 33 is provided with an inserting head 34; the connecting table 31 and the connecting groove 32 are convenient for the telescopic rod 24, the hot pressing plate 3 and the telescopic rod 24 are convenient to connect together, the hot pressing plate 3 is also convenient to mount and dismount, the lead 33 and the plug 34 are convenient to match the control box 5, and the hot pressing plate 3 and the control box 5 are convenient to connect together.
Referring to fig. 6, it is shown: the middle part of the bottom surface of the hot pressing table 4 is provided with an adapter 41, the bottom surface of the adapter 41 is provided with an adapter shaft 42, the circular arc surface of the hot pressing table 4 is provided with a holding ring 43, and the holding ring 43 and the hot pressing table 4 are connected together through a connecting rod 44; the adapter 41 and the adapter shaft 42 are convenient for cooperate with the bearing 13, make things convenient for the hot press platform 4 to rotate with organism 1 to be connected, the installation and the use of the hot press platform 4 of being convenient for, grip ring 43 and connecting rod 44 are convenient for the staff to rotate the hot press platform 4, the nimble rotation and the use of the hot press platform 4 of being convenient for, the hot press platform 4 assists the staff to carry out hot pressing to flexible circuit board fast.
Referring to fig. 7, it is shown that: the front of the control box 5 is provided with a control panel 51, the bottom end of the control box 5 is provided with a power receiving groove 52, and the side surface of the control box 5 is provided with a wire inlet hole 53; the control panel 12 is convenient for control the whole equipment, and the normal operation and the use of whole equipment are convenient for, and the electric connection groove 52 is convenient for cooperate hot pressing board 3, makes things convenient for hot pressing board 3 to switch on and use, and the wire inlet 53 is convenient for wire 33 to get into the circuit link together inside control box 5 and the control box 5.
The using method comprises the following steps: when the hot press machine is used, the machine body 1 and the air pump are matched together, then a flexible circuit board to be hot pressed is placed on the hot press table 4, the hot press table 4 is rotated, the hot press table 4 drives the flexible circuit board to the bottom surface of the hot press board 3, then the air cylinder 2 is driven, the air cylinder 2 drives the hot press board 3 to be pressed on the flexible circuit board, after the hot press temperature reaches 100 ℃, the hot press board 3 is lifted, the hot press table 4 is rotated, the hot press table 4 is killed to drop the other flexible circuit boards to the lower part of the hot press board 3, then the hot press treatment is continuously carried out on the flexible circuit board, meanwhile, a worker takes off a PT film of the flexible circuit board which is hot pressed to 100 ℃, then the flexible circuit board with the PT film removed is continuously subjected to 180 ℃ hot press, after the hot press is completed, and then the flexible circuit board is stored and put in storage.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A flexible circuit board covering film PT film adding process is characterized in that: the process for adding PT film to the covering film comprises the following specific steps:
s1: material preparation
Preparing a PT film and a covering film which are needed to be attached and used, simultaneously transporting glue to be used on gluing equipment, and then installing the PT film on the gluing equipment;
s2: glue feeding
Pouring the prepared glue into the gluing equipment, pouring the glue into the glue barrel of the gluing equipment, and simultaneously starting the heating function of the glue barrel to enable the glue to be in a softened state, so that the glue can smoothly enter the gluing mechanism;
s3: PT film surface gluing
Pulling out one end of the PT film, ensuring the PT film to pass through the lower part of the gluing mechanism, installing one end of the PT film passing through the gluing mechanism on the rewinding mechanism, pulling the PT film to be continuously pulled to move under the pulling of the rewinding mechanism, continuously coating glue on the surface of the PT film in the moving process, then air-drying the glue on the PT film coated with the glue through the air-drying mechanism, and then rewinding the PT film under the operation of the rewinding mechanism;
s4: lamination of cover film and PT film
Installing the covering film and the PT film after gluing on a film laminating device, aligning and laminating one ends of the covering film and the PT film after gluing together, ensuring that the one ends of the covering film and the PT film after gluing pass through a hot press roller, softening the glue of the PT film after gluing through the hot press roller, so that the covering film and the PT film can be stably laminated together, and rewinding the laminated covering film and PT film together by a rewinding mechanism;
s5: cutting semi-finished film
Placing the semi-finished product with the cover film and the PT film attached together on cutting equipment, enabling the cutting equipment to cut the semi-finished product film according to the shape of the flexible circuit board substrate, enabling the cutting equipment to cut the semi-finished product film into a shape matched with the shape of the flexible circuit board substrate, and then storing the cut finished product film;
s6: flexible circuit board coating film
Placing the flexible circuit board on a workbench of a hot press, taking out the cut finished product from a warehouse, removing release paper of the finished product film, and attaching the finished product film removed from the release paper to a flexible circuit board substrate;
s7: hot pressing treatment
Placing the flexible circuit board substrate bonded with the finished film on a hot press table of a hot press, driving the hot press to carry out hot pressing on the flexible circuit board substrate, stopping hot pressing when the hot press temperature reaches 100 ℃, removing the PT film and glue bonded with the surface of the cover film, and then placing the flexible circuit board substrate under the hot press table again, so that the hot press table continuously carries out hot pressing on the flexible circuit board substrate and the cover film on the surface of the flexible circuit board substrate to 180 ℃, and the flexible circuit board and the cover film are stably bonded together, thereby ensuring that the phenomenon of offset does not occur between the cover film and the flexible circuit board substrate, and avoiding the problem that the flexible circuit board substrate is scrapped due to the offset of the cover film;
s8: warehouse-in of flexible circuit board
The flexible circuit boards after being attached with the covering films are sorted, stored and registered in a book, so that the statistics of the stored flexible circuit boards by subsequent staff is facilitated, further production plans are conveniently planned, and the flexible circuit board production and processing can be orderly carried out according to the production plans.
2. The process for adding PT film to the flexible circuit board cover film according to claim 1, wherein the step S6 is characterized in that the flexible circuit board cover film is required to ensure that no offset phenomenon exists between the flexible circuit board substrate and the finished film when the finished film is attached, and the finished film is ensured to be accurately attached to the surface of the flexible circuit board substrate, so that the finished film can effectively protect an etched circuit on the flexible circuit board substrate.
3. The flexible circuit board cover film PT film adding process of claim 2, wherein the hot press in the step S7 includes a machine body (1), a cylinder (2) is installed at the top of the machine body (1), a hot press plate (3) is installed at the output end of the cylinder (2), a hot press table (4) is rotatably connected to the surface of the machine body (1) along the lower part of the hot press plate (3), and a control box (5) is arranged on the side surface of the machine body (1).
4. A flexible circuit board cover film PT film increasing process according to claim 3, wherein four corners of the bottom surface of the body (1) are provided with supporting legs (11), the inclined surface of the front end of the body (1) is provided with a control panel (12), the upper surface of the body (1) is provided with a bearing (13) near the front end, and the rear end of the upper surface of the body (1) is provided with a supporting frame (14).
5. The process for increasing PT film on a flexible circuit board cover film according to claim 4, wherein a supporting plate (15) is arranged on the inner side of the top of the supporting frame (14), a through hole (16) is formed in the middle of the supporting plate (15), a connecting column (17) is arranged at a position, close to the top end, of the side face of the supporting frame (14), a threading hole (171) is formed in the middle of the connecting column (17), and a flange plate (18) is arranged at the end of the connecting column (17).
6. The flexible circuit board covering film PT film adding process according to claim 5, wherein connectors (21) are arranged at positions, close to the top end and the bottom end, of the side face of the air cylinder (2), fixing plates (22) are arranged at the bottoms of the front end and the rear end of the air cylinder (2), a plurality of fixing holes (23) are formed in the fixing plates (22), a telescopic rod (24) is arranged at the output end of the air cylinder (2), and studs (25) are arranged at the bottom end of the telescopic rod (24).
7. The flexible circuit board cover film PT film increasing process of claim 6, wherein a connecting table (31) is provided in the middle of the upper surface of the heat pressing board (3), a connecting groove (32) is provided in the middle of the connecting table (31), a wire (33) is provided on the side of the heat pressing board (3), and a plug connector (34) is provided at the end of the wire (33).
8. The flexible circuit board cover film PT film adding process of claim 7, wherein an adapter (41) is provided in the middle of the bottom surface of the hot press table (4), an adapter shaft (42) is provided on the bottom surface of the adapter (41), a holding ring (43) is provided on the arc surface of the hot press table (4), and the holding ring (43) and the hot press table (4) are connected together by a connecting rod (44).
9. The flexible circuit board cover film PT film adding process according to claim 8, wherein a control panel (51) is arranged on the front side of the control box (5), a power receiving groove (52) is arranged at the bottom end of the control box (5), and a wire inlet hole (53) is arranged on the side face of the control box (5).
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| CN111791568A (en) * | 2020-07-23 | 2020-10-20 | 辛集市旭远新材料科技有限公司 | Adhesive label gluing and laminating integrated equipment and production process |
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