A double-row unwinding system for FPC coil wet process

Abstract

The invention discloses a double-row unwinding and rewinding system for wet process of FPC coil material, comprising an unwinding mechanism and a rewinding mechanism; the unwinding mechanism comprises a base frame and an unwinding module; the rewinding mechanism comprises a mounting base frame and a rewinding module; a first upper vertical surface and a first lower vertical surface are arranged in front of the unwinding module; a second upper vertical surface and a second lower vertical surface are arranged in front of the rewinding module; each first working surface is provided with an unwinding roller for fitting an FPC coil material reel in an output state, and another unwinding roller is used for fitting another FPC coil material reel to be output; each second working surface is provided with a rewinding roller for fitting an FPC coil material reel in a rewinding state, and another rewinding roller is used for fitting another spare rewinding FPC coil material reel; the material widths of the FPC coil materials wound by the unwinding rollers and the first transition roller of the two first working surfaces are different; the rollers of each module can be selectively configured to be of different lengths to adapt to the production matching of FPC coil materials of different material widths.

Description

Technical Field

[0001] The invention relates to the technical field of FPC processing equipment, and in particular to a double-row unwinding and reeling system for FPC coil wet process. Background Art

[0002] With the continuous development of information technology, the processing and printing of circuit boards has developed rapidly. FPC is a printed circuit board with high reliability and excellent flexibility. It has the advantages of being able to be bent and folded at will, light weight, small size and good heat dissipation. It is widely used in the electronics and communications industries.

[0003] According to the shape of the material, FPC production methods are divided into sheet production methods and roll production methods.

[0004] The conveying of the sheet production method requires that the conveying distance between the two sheets be maintained at ≥50mm, and there is a jamming rate of ≥1 / ‰ during the conveying process, resulting in low production efficiency and quality.

[0005] The roll-to-roll production method allows for continuous production without the problem of sticking, has high production efficiency, and is characterized by high output and low cost.

[0006] Among them, the FPC wet process of the roll-to-roll production method includes very high-precision processes such as development, etching and electroplating, and there are process differences such as different production sequences, different production speeds, and different board connection times for continuous production; and the existing common FPC sheet materials include different material widths and roll thicknesses, and the tension of the reel and the side offset of the roll material also have differences, resulting in poor versatility of equipment matching. Manufacturers need to match equipment of various specifications to meet the different requirements of customers, which in turn causes some equipment to be idle, which not only increases equipment investment and production site occupancy, but also increases manufacturing costs. Summary of the invention

[0007] In view of the above-mentioned defects, the purpose of the present invention is to propose a double-row unwinding and winding system for FPC coil wet process, which can provide unwinding and winding production support for FPC coil wet process with two different material widths, and has good compatibility and versatility.

[0008] To achieve this object, the present invention adopts the following technical solutions:

[0009] A double-row unwinding and rewinding system for FPC coil wet process, comprising an unwinding mechanism and a rewinding mechanism;

[0010] The unwinding mechanism comprises a base frame and a winding module, wherein the winding module is installed above the base frame; the winding mechanism comprises a mounting base frame and a winding module, wherein the winding module is installed above the mounting base frame;

[0011] A first upper vertical surface and a first lower vertical surface are provided in front of the unwinding module, and the first upper vertical surface and the first lower vertical surface are two first working surfaces; a second upper vertical surface and a second lower vertical surface are provided in front of the winding module, and the second upper vertical surface and the second lower vertical surface are two second working surfaces;

[0012] From left to right, each first working surface is provided with two unwinding rollers and two first transition rollers arranged in an up-and-down staggered manner, and the first transition roller is located on the left side of the unwinding roller; wherein one of the unwinding rollers is used to cover an FPC roll in an output state, and the other unwinding roller is used to cover another FPC roll to be output; each second working surface is provided with two winding rollers and a second transition roller arranged in an up-and-down staggered manner, and the second transition roller is located on the right side of the winding roller; wherein one of the winding rollers is used to cover an FPC roll in a reeled state, and the other winding roller is used to cover another spare reeled FPC roll;

[0013] The FPC roll material widths wound by the unwinding rollers and the first transition rollers on the two first working surfaces are different; the roller lengths of the winding rollers and the second transition rollers configured on the two second working surfaces are configured correspondingly to the roller lengths of the unwinding rollers and the first transition rollers on the two first working surfaces.

[0014] Furthermore, the unwinding module is also provided with an unwinding module mounting frame, an unwinding module mounting plate, an upper working plate, a lower working plate and a plurality of first tension control components;

[0015] The unwinding module mounting frame is mounted above the base frame, the upper working plate and the lower working plate are mounted on the upper and lower parts of the front end surface of the unwinding module mounting frame respectively, and the front plate surface of the upper working plate and the front plate surface of the lower working plate are the first upper vertical surface and the first lower vertical surface respectively;

[0016] The two unwinding module mounting plates are respectively mounted on the rear end surface of the unwinding module mounting frame adjacent to each other up and down, and the two unwinding module mounting plates are respectively located behind the first upper vertical surface and the first lower vertical surface;

[0017] The first tension control assembly includes a first tensioning shaft, a first transmission device and a first electronic torquer;

[0018] The rear end of the first tensioning shaft is mounted on the unwinding module mounting plate, the front end of the first tensioning shaft extends into the unwinding roller, and the front end of the first tensioning shaft is transmission-connected to the inner wall of the unwinding roller;

[0019] The first electronic torquer and the first transmission device are mounted between one of the unwinding module mounting plates and the upper working plate or between the other unwinding module mounting plate and the lower working plate; the input end of the first electronic torquer is transmission-connected to one end of the first transmission device, and the other end of the first transmission device is transmission-connected to the outer side surface of the first tensioning shaft; each unwinding roller is correspondingly equipped with a first tension control component;

[0020] The rewinding module is also provided with a rewinding module mounting frame, a rewinding module mounting plate assembly and a rewinding power control assembly;

[0021] The mounting chassis is provided with a double-layered rack that is suspended above and below, and the double-layered rack includes an upper rack and a lower rack;

[0022] The two retracting module mounting frames are respectively mounted on the top surface of the upper frame and the top surface of the lower frame;

[0023] The rewinding module mounting plate group includes two front mounting plates and two rear mounting plates; the two front mounting plates and the two rear mounting plates are respectively mounted on the front end surface and the rear end surface of the rewinding module mounting frame, and the front plate surfaces of the two upper and lower adjacent front mounting plates are respectively the second upper vertical surface and the second lower vertical surface;

[0024] The winding rollers are configured in a one-to-one correspondence with the winding power control components; the winding power control components include a winding tensioning shaft, a winding transmission device and a servo motor;

[0025] The rear end of the winding and tensioning shaft is installed on the rear mounting plate, the front end of the winding and tensioning shaft extends into the corresponding winding roller in front, and the front end of the winding and tensioning shaft is drivingly connected to the inner wall of the corresponding winding roller;

[0026] The servo motor and the winding transmission device are mounted between the front mounting plate and the rear mounting plate; the input end of the servo motor is drivingly connected to one end of the winding transmission device, and the other end of the winding transmission device is drivingly connected to the outer side surface of the winding tensioning shaft;

[0027] The unwinding roller and the winding roller are both inflatable shaft structures, and the outer sides of the unwinding roller and the winding roller are both provided with a plurality of flanges. The unwinding roller is connected to the external compressed air through the rear end of the first tensioning shaft, and the winding roller is connected to the external compressed air through the rear end of the winding tensioning shaft.

[0028] The first electronic torquer is one of a torque motor, a servo motor and an electronic clutch brake.

[0029] Furthermore, the unwinding module is further provided with a first coil connecting component, and the winding module is further provided with a second coil connecting component;

[0030] The first coil material docking assembly is installed on the first docking platform, the first movable pressure plate and the first pressure plate cylinder; the second coil material docking assembly includes the second docking platform, the second movable pressure plate and the second pressure plate cylinder; the second docking platform, the second movable pressure plate and the second pressure plate cylinder respectively correspond to the first docking platform, the first movable pressure plate and the first pressure plate cylinder respectively and have the same structure;

[0031] The rear end of the first docking platform is installed on the first upper vertical surface or the first lower vertical surface, and the first docking platform is close to the left side of the first transition roller above the first working surface; the two first movable pressing plates are respectively installed close to the left and right edges of the top surface of the first docking platform; the two first pressing plate cylinders are respectively installed close to the left and right edges of the bottom surface of the first docking platform, and the output end of the first pressing plate cylinder is transmission-connected to the front and rear ends of the first movable pressing plate;

[0032] The first pressing plate cylinder drives the first movable pressing plate to move up and down above the first docking platform, opening and closing the gap between the bottom surface of the first movable pressing plate and the top surface of the first docking platform.

[0033] Furthermore, the winding and unwinding module is also provided with a meter counter component;

[0034] The rear end of the meter counter assembly is mounted on the first upper vertical surface or the first lower vertical surface, and the meter counter assembly is arranged on the upper right side of the first transition roller above the first working surface; a measuring roller is arranged at the left end of the meter counter assembly, and the roller surface of the measuring roller abuts against the upper roller surface of the first transition roller; the measuring roller rotates in the opposite direction to the rotation of the first transition roller;

[0035] The unwinding module is also provided with a first laser measuring component; the rewinding module is also provided with a second laser measuring component;

[0036] The first laser measurement assembly includes a first bracket, a first fixing frame and a first laser transmitter; the second laser measurement assembly includes a second bracket, a second fixing frame and a second laser transmitter; the second bracket, the second fixing frame and the second laser transmitter respectively correspond to the first bracket, the first fixing frame and the first laser transmitter respectively and have the same structure;

[0037] The rear end of the first bracket is installed near the upper right corner of the first upper vertical surface, the two first fixing brackets are mounted on the first bracket at intervals in front and back, and the two first laser transmitters are respectively installed on the left side of the first fixing bracket;

[0038] The two first laser emitters respectively irradiate downwards onto the upper roller surfaces of the two unwinding rollers in the first upper vertical surface and the first lower vertical surface that are in a working state.

[0039] Furthermore, the unwinding mechanism further includes a first step-difference buffer module; the rewinding mechanism further includes a second step-difference buffer module;

[0040] The first step-difference buffer module comprises a first buffer frame, a first mounting plate, a first top bending roller group, three first side-end bending rollers and two first lifting power roller groups; the second step-difference buffer module comprises a second buffer frame, a second mounting plate, a second top bending roller group, two second side-end bending rollers and two second lifting power roller groups; the second buffer frame, the second mounting plate, the second top bending roller group, the second side-end bending roller and the second lifting power roller group have the same structure as the first buffer frame, the first mounting plate, the first top bending roller group, the first side-end bending roller and the first lifting power roller group respectively in one-to-one correspondence;

[0041] The first buffer frame is installed on the top of the base frame near the left side of the unwinding module mounting frame, the first mounting plate is installed on the bottom of the first buffer frame, and the first top bending roller assembly is installed on the top of the first buffer frame; two first side-end bending rollers are installed at intervals above and below and exposed on the right side of the first buffer frame, and the third first side-end bending roller is installed and exposed in the middle of the left side of the first buffer frame;

[0042] The first top bending roller group includes three first top bending rollers arranged from left to right at intervals;

[0043] The first lifting power roller group includes a first motor, a first transmission device, a plurality of first guide columns and a first movable roller;

[0044] The first transmission device comprises a first transmission rod, four first synchronous wheels, two first synchronous belts and two first connecting plates;

[0045] Two first motors are installed on the top surface of the first mounting plate at intervals on the left and right; two first transmission rods are respectively suspended on the top surface of the first mounting plate near the output ends of the two first motors, and the outer side surface of the first transmission rod is transmission-connected with the output end of the first motor; two first synchronous wheels are respectively mounted on the front and rear ends of the first transmission rod, and the other two first synchronous wheels are suspended on the top of the first buffer frame; the two synchronous wheels opposite to each other form a group, and the bottom ends of the two first synchronous belts are respectively mounted on the outer side surfaces of the two first synchronous wheels below, and the top ends of the two first synchronous belts are respectively mounted on the outer side surfaces of the other two first synchronous wheels above;

[0046] The first guide columns are arranged in groups of two; the two first guide columns in the same group are arranged relatively close to the front and rear ends of the first transmission rod, the bottom end of the first guide column is installed on the top surface of the first mounting plate, and the top end of the first guide column is installed on the top of the first buffer frame; the two first connecting plates are arranged relatively close to the two first guide columns in a group, the left end of the first connecting plate is connected to the outer side surface of the first synchronous belt, the right end of the first connecting plate can be slidably mounted on the outer side surface of the adjacent first guide column, and the front and rear ends of the first movable roller are respectively connected to the front and rear inner side surfaces of the right ends of the two first connecting plates that are relatively close.

[0047] Furthermore, the first step-difference buffer module further includes two first lifting position control groups; the second step-difference buffer module further includes two second lifting position control groups; the second lifting position control groups have the same corresponding structure as the first lifting position control groups;

[0048] The first lifting position control group includes a first limit switch mounting bar and two first limit switches;

[0049] The bottom ends of the first limit switch mounting strips are respectively mounted on the top surface of the first mounting plate close to the right side of the first movable roller;

[0050] The top end of the first limit switch mounting bar is vertically mounted on the top of the first buffer frame, and two first limit switches are installed at intervals in the middle of the first limit switch mounting bar; the two first limit switches are respectively electrically connected to the first motors corresponding to the adjacent first movable rollers;

[0051] When the first movable roller moves upward and triggers the first limit switch above, the first limit switch above is turned on and sends a signal to the corresponding first motor, and the corresponding first motor switches the running direction to drive the first movable roller to move downward;

[0052] On the contrary, when the first movable roller moves downward and triggers the first limit switch below, the first limit switch below opens and sends a signal to the corresponding first motor, and the corresponding first motor switches the running direction to drive the first movable roller to move upward.

[0053] Furthermore, the unwinding mechanism also includes a film tearing module;

[0054] The film tearing module comprises a film tearing frame, a film rolling group and a static electricity removal group;

[0055] The film tearing frame is installed above the base frame near the left side of the first buffer frame, and the front and rear faces of the film tearing frame are respectively installed with a film tearing front plate and a film tearing rear plate;

[0056] The film tearing front plate is respectively provided with two pairs of film roll roller mounting holes, and the two pairs of film roll roller mounting holes are respectively arranged near the left and right side edges of the film tearing front plate, and each pair of two film roll roller mounting holes separated from each other are located in the same straight line perpendicular to the running direction of the FPC roll material;

[0057] The film rolling group includes two pairs of film rolling rollers, and the rear ends of the two pairs of film rolling rollers are respectively installed in the two pairs of film rolling roller installation holes; each pair of two film rolling rollers separated from each other are respectively used to roll up the coating torn off the upper surface and the lower surface of the FPC roll;

[0058] The film rolling group further includes a second tension control component, which includes a second tensioning shaft, a second transmission device and a second electronic torque device; each of the film rolling groups is correspondingly configured with one second tension control component;

[0059] The rear end of the second tensioning shaft is installed on the film tearing rear plate, the front end of the second tensioning shaft extends into the film rolling roller, and the front end of the second tensioning shaft is transmission-connected to the inner wall of the film rolling roller;

[0060] The film rolling roller is an inflatable shaft structure, and a plurality of flanges are provided on the outer side of the film rolling roller. The film rolling roller is connected to the external compressed air through the rear end of the second tensioning shaft;

[0061] The second electronic torquer and the second transmission device are both mounted between the film tearing rear plate and the film tearing front plate; the input end of the second electronic torquer is transmission-connected to one end of the second transmission device, and the other end of the second transmission device is transmission-connected to the outer side surface of the second tensioning shaft;

[0062] The second electronic torquer is one of a torque motor, a servo motor or an electronic clutch brake;

[0063] The static electricity removal group includes a static electricity removal rod, a mounting base, a static electricity removal group mounting frame and two guide rollers; the static electricity removal group mounting frame includes a front end plate and two cross bars;

[0064] The rear end surface of the mounting base is installed close to the left edge of the film tearing front plate, and the mounting base is located between a pair of film rolling roller mounting holes on the right side;

[0065] The rear ends of the two cross bars are connected to the front end surface of the mounting base at intervals, and the front ends of the two cross bars are connected to the rear plate surface of the front end plate at intervals;

[0066] The front and rear ends of the static electricity removal rod are suspended on the front and rear ends of the upper cross bar; the front and rear ends of the two guide rollers are rotatably mounted on the rear plate surface of the front end plate and the front end surface of the mounting base respectively, and the two guide rollers are located adjacent to each other between the two cross bars.

[0067] Furthermore, the winding mechanism also includes a tension detection module;

[0068] The tension detection module comprises a tension detection module fixing frame, a tension transition roller, a tension detection roller, a tension detector and a tension data processor;

[0069] The tension detection module fixing frame includes a first fixing frame and a second fixing frame stacked up and down; the tension detection module fixing frame is installed above the mounting base and is set up between the second buffer frame and the double-layer placement frame;

[0070] The two tension detection rollers are respectively mounted on the top surface of the bottom of the first fixed frame and the top surface of the bottom of the second fixed frame, the front and rear ends of the tension detection roller are respectively arranged close to the front and rear ends of the first fixed frame or the second fixed frame, the two groups of tension detectors are respectively installed at the front and rear ends of the two tension detection rollers, and the two tension data processors are installed close to the rear ends of the tension detection rollers;

[0071] The upper frame of each tension detection roller is equipped with two tension transition rollers opposite to each other on the left and right sides;

[0072] The tension detector is electrically connected to the tension data processor, and the tension data processor is also electrically connected to the servo motor connected to the corresponding winding roller.

[0073] Furthermore, the winding module of the winding mechanism is also provided with a position deviation correction module;

[0074] The position correction module comprises a guide rail, a slider, a horizontal moving cylinder, a deviation detector and a correction signal processor; the deviation detector is an ultrasonic detector;

[0075] At least two of the guide rails are installed on the top surface of the upper frame or the lower frame at intervals, a pair of sliders are installed on the top of the guide rails at intervals and can slide, and the bottom surface of the winding module mounting frame is fixed on the top of the two pairs of sliders; the horizontal moving cylinder is installed on the top surface of the upper frame or the lower frame, the horizontal moving cylinder and the slider are arranged one by one, and the output end of the horizontal moving cylinder is drivingly connected with the outward end of the slider;

[0076] The bottom end of the offset detector is installed close to the right edge of the winding module mounting frame, and the top end of the offset detector is provided with a detection port, which is used to detect the movement change of the edge of the FPC coil input to the winding roller;

[0077] The deflection correction signal processor is installed on the top of the winding module mounting frame above, the position detector is electrically connected to the deflection correction signal processor, and the deflection correction signal processor is also electrically connected to the horizontal moving cylinder.

[0078] In some embodiments, the unwinding rollers and the first transition rollers of the two first working surfaces are respectively selected to be adapted to FPC coils with a width of 250 mm or 500 mm;

[0079] When an FPC coil material with a material width of 250 mm is used for production, the unwinding rollers and the first transition rollers on the upper and lower first working surfaces can output two rolls of FPC coil material at the same time;

[0080] When an FPC coil material with a material width of 500 mm is used for production, only the unwinding roller and the first transition roller matched with the material width of 500 mm can output one roll of FPC coil material;

[0081] The winding roller, the second transition roller and the film winding roller are respectively adapted to the corresponding unwinding rollers.

[0082] The beneficial effects of the technical solution of the present invention are as follows: the double-row unwinding and rewinding system for FPC coil wet process includes the unwinding mechanism and the rewinding mechanism which are respectively arranged near the coil input end and the output end of the FPC coil wet process equipment; the unwinding rollers on the two first working surfaces can output two rolls of FPC coil at the same time, and the rewinding rollers on the two second working surfaces can also receive two rolls of FPC coil at the same time; and the rollers of each module group can be selectively configured with different lengths to adapt to the production of unwinding and rewinding FPC coils with different material widths. Therefore, the double-row unwinding and rewinding system for FPC coil wet process of the present invention has good compatibility and versatility, can save equipment investment, reduce the occupation of production site, and reduce the manufacturing cost of manufacturers of FPC coil products.

[0083] In addition, the unwinding roller, winding roller and film tearing roller are all configured as a backup, which can maintain the continuous supply, film tearing and winding of FPC rolls. Each module is independent of each other, and the overall rapid installation and disassembly can be achieved. In addition, it is also equipped with a film tearing module, a tension detection module, a position correction module, and the first and second step buffer modules, which are convenient for customers to select and configure according to different needs. Each module can be added and removed as needed, and installation and maintenance are convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0084] Figure 1 1 is a front view structural schematic diagram of a double-row unwinding and rewinding system for FPC coil wet process according to an embodiment of the present invention;

[0085] Figure 2 is a schematic diagram of the assembly structure of an unwinding mechanism according to an embodiment of the present invention;

[0086] Figure 3 is a structural schematic diagram of a winding and unwinding module according to an embodiment of the present invention;

[0087] Figure 4 It is a schematic diagram of the component structure of the winding and unwinding module;

[0088] Figure 5 is a schematic diagram of the assembly structure of a winding mechanism according to an embodiment of the present invention;

[0089] Figure 6 is a structural schematic diagram of a reeling module according to an embodiment of the present invention;

[0090] Figure 7 is a schematic diagram of the transmission structure of a winding module according to an embodiment of the present invention;

[0091] Figure 8 is a schematic structural diagram of a first step buffer module according to an embodiment of the present invention;

[0092] Fig. 9 It is a schematic diagram of the component structure of the first step difference buffer module;

[0093] Fig.10 is a schematic structural diagram of a second step buffer module according to an embodiment of the present invention;

[0094] Fig.11 It is a schematic diagram of the component structure of the second step difference buffer module;

[0095] Fig.12 is a structural schematic diagram of a film tearing module according to an embodiment of the present invention;

[0096] Fig.13 It is a structural schematic diagram of a film tearing machine frame according to an embodiment of the present invention;

[0097] Fig.14 is a structural schematic diagram of a film roll assembly according to an embodiment of the present invention;

[0098] Fig.15 is a schematic structural diagram of a static electricity removal group according to an embodiment of the present invention;

[0099] Fig.16 is a structural schematic diagram of a tension detection module according to an embodiment of the present invention;

[0100] Fig.17 and 18 is a schematic diagram of the installation structure of a tension detection module according to an embodiment of the present invention;

[0101] Fig.19 yes Figure 5 A partial enlarged view of part A;

[0102] Wherein: chassis 1; unwinding module 2; first step buffer module 3; film tearing module 4; unwinding roller 21; meter assembly 22; first laser measuring assembly 23; first tension control assembly 24; first coil connection assembly 25; first transition roller 26; first buffer frame 31; first mounting plate 32; first top bending roller group 33; first side bending roller 34; first lifting position control group 35; first lifting power roller group 36; film tearing frame 41; film rolling group 42; static electricity removal group 43; unwinding module mounting frame 211; first upper vertical surface 212; first lower vertical surface 213; unwinding module mounting plate 214; measuring roller 221; first bracket 231; first fixing frame 232; first laser transmitter 233; first tensioning shaft 241; first transmission device 242; first electronic torquer 243; first docking station 251; first movable pressure plate 252; first pressure plate cylinder 253; first top winding roller 331; first motor 361; first transmission device 362; first guide column 363; first movable roller 364; first transmission rod 3621; first synchronous wheel 3622; first synchronous belt 3623; first connecting plate 3624; first limit switch mounting strip 351; first limit switch 352; film tearing front plate 410; film roll roller mounting hole 411; film roll roller 421; second tension control assembly 422; anti-static rod 431; guide roller 432; mounting base 433; anti-static assembly mounting frame 434; second tensioning shaft 4221; second transmission actuating device 4222; a second electronic torquer 4223; a front end plate 4341; a crossbar 4342; a mounting chassis 5; a winding module 6; a second step-difference buffer module 7; a tension detection module 8; a double-layer placing rack 51; a winding module mounting rack 61; a winding module mounting plate group 62; a winding roller 63; a second transition roller 64; a second coil connection assembly 65; a second laser measurement assembly 66; a winding power control assembly 67; a position correction module 68; a second buffer rack 71; a second mounting plate 72; a second top bending roller group 73; a second side bending roller 74; a second lifting position control group 75; a second lifting power roller group 76; a tension detection module fixing rack 81; a tension transition roller 82; a tension detection roller 83; a tension detector 84 ; Tension data processor 85; lower shelf 611; upper shelf 612; front mounting plate 620; second upper vertical surface 621; second lower vertical surface 622; rear mounting plate 623; second docking station 651; second movable pressure plate 652; second pressure plate cylinder 653; second bracket 661; second fixing frame 662; second laser transmitter 663; winding tensioning shaft 671; winding transmission device 672; servo motor 673; guide rail 681; slider 682; horizontal moving cylinder 683; deviation detector 684; deviation correction signal processor 685; second top bending roller 731; second limit switch mounting strip 751; second limit switch 752; second motor 761; second coupling transmission assembly 762; second guide column 763;The second movable roller 764; the first fixed frame 811; the second fixed frame 812. ; DETAILED DESCRIPTION

[0103] The following is combined with Figure 1-19 The technical solution of the present invention is further illustrated by specific implementation methods.

[0104] The drawings are only used for illustrative purposes and should not be construed as limitations on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0105] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, which can be said to be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0106] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the devices or elements referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0107] A double-row unwinding and rewinding system for FPC coil wet process, comprising an unwinding mechanism and a rewinding mechanism;

[0108] The unwinding mechanism includes a base frame 1 and a winding module 2, and the winding module 2 is installed above the base frame 1; the winding mechanism includes a mounting base frame 5 and a winding module 6, and the winding module 6 is installed above the mounting base frame 5;

[0109] The unwinding module 2 is provided with a first upper vertical surface 212 and a first lower vertical surface 213 in front, and the first upper vertical surface 212 and the first lower vertical surface 213 are two first working surfaces; the rewinding module 6 is provided with a second upper vertical surface 621 and a second lower vertical surface 622 in front, and the second upper vertical surface 621 and the second lower vertical surface 622 are two second working surfaces;

[0110] From left to right, each first working surface is provided with two unwinding rollers 21 and two first transition rollers 26 arranged in an up-and-down staggered manner, and the first transition roller 26 is located on the left side of the unwinding roller 21; wherein, one of the unwinding rollers 21 is used to cover an FPC roll in an output state, and the other unwinding roller 21 is used to cover another FPC roll to be output; each second working surface is provided with two winding rollers 63 and a second transition roller 64 arranged in an up-and-down staggered manner, and the second transition roller 64 is located on the right side of the winding roller 63; wherein, one of the winding rollers 63 is used to cover an FPC roll in a reeled state, and the other of the winding rollers 63 is used to cover another spare reeled FPC roll;

[0111] The FPC roll material widths wound by the unwinding roller 21 and the first transition roller 26 of the two first working surfaces are different; the roller lengths of the winding roller 63 and the second transition roller 64 configured on the two second working surfaces are configured correspondingly to the roller lengths of the unwinding roller 21 and the first transition roller 26 of the two first working surfaces.

[0112] like Figure 1-7 As shown, the double-row unwinding and reeling system for FPC coil wet process of the present invention, the unwinding mechanism and the rewinding mechanism are respectively arranged near the coil input end and the output end of the FPC coil wet process equipment, and the FPC coil runs from right to left; the unwound FPC coil is output from a unwinding roller 21 of any first working surface under the traction force of the FPC coil wet process equipment, and then successively bypasses the lower roller surface and the left roller surface of the first transition roller 26 below, the right roller surface and the upper roller surface of the first transition roller 26 above, and then output to the left to the FPC wet process processing equipment on the left; the FPC coil processed in the wet process equipment is input from the right side of any second working surface and bypasses the second The second transition roller 64 of the upper vertical surface 621 or the second lower vertical surface 622 is then wound up into a set roll on the outer side surface of one of the winding rollers 63; the winding rollers 21 of the upper and lower first working surfaces can output two rolls of FPC rolls at the same time, and the winding rollers 63 of the upper and lower second working surfaces can also receive two rolls of FPC rolls at the same time; and the rollers of each module can be selectively configured with different lengths to adapt to the production of winding and unwinding FPC rolls of different material widths. Therefore, the double-row winding and unwinding system for FPC roll wet process of the present invention has good compatibility and versatility, can save equipment investment, reduce the occupation of production site, and reduce the manufacturing cost of manufacturers of FPC roll products.

[0113] In addition, the two first working surfaces are each provided with two unwinding rollers 21, and the two second working surfaces are also each provided with two winding rollers 63, both of which are in standby mode and in use mode, and can maintain a continuous supply and collection of FPC coils. Therefore, the double-row unwinding system for FPC coil wet process of the present invention has good production continuity and production efficiency, and the unwinding modules 2 of the two first working surfaces and the winding modules 6 of the two second working surfaces are all independent structures, which can be quickly installed and disassembled as a whole, so that customers can choose and configure according to different needs, and are easy to install and maintain.

[0114] Figure 1 The dotted lines in the figure show the unwinding and rewinding paths of the two FPC coils in the working state.

[0115] Furthermore, the unwinding module 2 is also provided with an unwinding module mounting frame 211, an unwinding module mounting plate 214, an upper working plate, a lower working plate and a plurality of first tension control components 24;

[0116] The unwinding module mounting frame 211 is mounted above the base frame 1, the upper working plate and the lower working plate are mounted on the upper and lower parts of the front end surface of the unwinding module mounting frame 211, respectively, and the front plate surface of the upper working plate and the front plate surface of the lower working plate are the first upper vertical surface 212 and the first lower vertical surface 213, respectively;

[0117] The two unwinding module mounting plates 214 are respectively and adjacently mounted on the rear end surface of the unwinding module mounting frame 211, and the two unwinding module mounting plates 214 are respectively located behind the first upper vertical surface 212 and the first lower vertical surface 213;

[0118] The first tension control assembly 24 includes a first tensioning shaft 241, a first transmission device 242 and a first electronic torquer 243;

[0119] The rear end of the first tensioning shaft 241 is mounted on the unwinding module mounting plate 214, and the front end of the first tensioning shaft 241 extends into the unwinding roller 21, and the front end of the first tensioning shaft 241 is transmission-connected to the inner wall of the unwinding roller 21;

[0120] The first electronic torquer 243 and the first transmission device 242 are mounted between one of the unwinding module mounting plate 214 and the upper working plate or between the other unwinding module mounting plate 214 and the lower working plate; the input end of the first electronic torquer 243 is in transmission connection with one end of the first transmission device 242, and the other end of the first transmission device 242 is in transmission connection with the outer side surface of the first tensioning shaft 241; each of the unwinding rollers 21 is correspondingly provided with a first tension control assembly 24;

[0121] The rewinding module 6 is also provided with a rewinding module mounting frame 61, a rewinding module mounting plate assembly 62 and a rewinding power control assembly 67;

[0122] The mounting base 5 is provided with a double-layered rack 51 suspended above and below, and the double-layered rack 51 includes an upper rack 612 and a lower rack 611;

[0123] The two rewinding module mounting frames 61 are respectively mounted on the top surface of the upper frame 612 and the top surface of the lower frame 611;

[0124] The rewinding module mounting plate group 62 includes two front mounting plates 620 and two rear mounting plates 623; the two front mounting plates 620 and the two rear mounting plates 623 are respectively mounted on the front end surface and the rear end surface of the rewinding module mounting frame 61, and the front plate surfaces of the two upper and lower adjacent front mounting plates 620 are respectively the second upper vertical surface 621 and the second lower vertical surface 622;

[0125] The winding roller 63 is configured in a one-to-one correspondence with the winding power control assembly 67; the winding power control assembly 67 includes a winding tensioning shaft 671, a winding transmission device 672 and a servo motor 673;

[0126] The rear end of the winding and tensioning shaft 671 is mounted on the rear mounting plate 623, and the front end of the winding and tensioning shaft 671 extends into the corresponding winding roller 63 in front, and the front end of the winding and tensioning shaft 671 is drivingly connected to the inner wall of the corresponding winding roller 63;

[0127] The servo motor 673 and the winding transmission device 672 are mounted between the front mounting plate 620 and the rear mounting plate 623; the input end of the servo motor 673 is in transmission connection with one end of the winding transmission device 672, and the other end of the winding transmission device 672 is in transmission connection with the outer side surface of the winding tensioning shaft 671;

[0128] The unwinding roller 21 and the winding roller 63 are both inflatable shaft structures, and the outer sides of the unwinding roller 21 and the winding roller 63 are both provided with a plurality of flanges. The unwinding roller 21 is connected to the external compressed air through the rear end of the first tensioning shaft 241, and the winding roller 63 is connected to the external compressed air through the rear end of the winding tensioning shaft 671.

[0129] The first electronic torquer 243 is one of a torque motor, a servo motor and an electronic clutch brake.

[0130] like Figure 3 and 4As shown, during operation, when fixing or taking the FPC material roll, the unwinding roller 21 can be inflated or de-inflated to control the unwinding roller 21 and the FPC material roll to be in a clamped state or a relaxed state to facilitate operation; by adjusting the current or voltage input to the electronic torquer 242, the output torque of the electronic torquer 242 can be controlled, thereby controlling the torque applied by the unwinding roller 21 to the FPC material roll, and further controlling the tension of the FPC roll output by the unwinding roller 21.

[0131] Similarly, if Figure 5-7 As shown, during operation, when fixing or taking the FPC material roll, the reel 63 can be inflated or de-inflated to control the reel 63 and the FPC material roll to be in a clamped state or a relaxed state to facilitate operation; by adjusting the current or voltage input to the servo motor 673, the output torque of the servo motor 673 can be controlled, thereby controlling the torque of the reel 63 acting on the FPC material roll, and further controlling the tension and rotational linear speed of the FPC roll received by the reel 63.

[0132] Furthermore, the unwinding module 2 is further provided with a first coil connecting component 25, and the winding module 6 is further provided with a second coil connecting component 65;

[0133] The first coil material docking assembly 25 is installed on the first docking platform 251, the first movable platen 252 and the first platen cylinder 253; the second coil material docking assembly 65 includes a second docking platform 651, a second movable platen 652 and a second platen cylinder 653; the second docking platform 651, the second movable platen 652 and the second platen cylinder 653 respectively correspond to the first docking platform 251, the first movable platen 252 and the first platen cylinder 253 respectively, and have the same structure;

[0134] The rear end of the first docking platform 251 is installed on the first upper vertical surface 212 or the first lower vertical surface 213, and the first docking platform 251 is close to the left side of the first transition roller 26 above the first working surface; the two first movable pressing plates 252 are respectively installed close to the left and right edges of the top surface of the first docking platform 251; the two first pressing plate cylinders 253 are respectively installed close to the left and right edges of the bottom surface of the first docking platform 251, and the output end of the first pressing plate cylinder 253 is transmission-connected to the front and rear ends of the first movable pressing plate 252;

[0135] The first pressing plate cylinder 253 drives the first movable pressing plate 252 to move up and down above the first docking platform 251 , opening and closing the gap between the bottom surface of the first movable pressing plate 252 and the top surface of the first docking platform 251 .

[0136] like Figure 3 and4 As shown, by controlling the lifting of the left and right first movable pressure plates 252 by two first pressure plate cylinders 253, the tail end of a rolled FPC coil can be clamped in the gap below the left first movable pressure plate 252, and then the leading end of the spare FPC coil installed on the other unwinding roller 21 can be clamped in the gap below the right first movable pressure plate 252, and then the leading end and tail end of the two FPC coils are bonded together on the top surface of the first docking platform 251, so that the FPC coil can be continuously unwound and output.

[0137] like Figure 6 As shown, by controlling the lifting of the second movable pressing plates 652 on the left and right sides by two second pressing plate cylinders 653, the tail end of a rolled FPC coil can be clamped in the gap below the second movable pressing plate 652 on the left, and the leading end of another rolled FPC coil to be collected can be clamped in the gap below the second movable pressing plate 652 on the right, and then the leading end and tail end of the two FPC coils are bonded together on the top surface of the second docking platform 651, so that the FPC coil can be continuously input and wound up.

[0138] Furthermore, the unwinding module 2 is also provided with a meter component 22;

[0139] The rear end of the meter counter assembly 22 is mounted on the first upper vertical surface 212 or the first lower vertical surface 213, and the meter counter assembly 22 is arranged close to the upper right side of the first transition roller 26 above the first working surface; the left end of the meter counter assembly 22 is provided with a measuring roller 221, and the roller surface of the measuring roller 221 is against the upper roller surface of the first transition roller 26; the measuring roller 221 rotates in the opposite direction following the rotation of the first transition roller 26;

[0140] The unwinding module 2 is further provided with a first laser measuring component 23; the rewinding module 6 is further provided with a second laser measuring component 66;

[0141] The first laser measurement assembly 23 includes a first bracket 231, a first fixing frame 232 and a first laser transmitter 233; the second laser measurement assembly 66 includes a second bracket 661, a second fixing frame 662 and a second laser transmitter 663; the second bracket 661, the second fixing frame 662 and the second laser transmitter 663 respectively correspond to the first bracket 231, the first fixing frame 232 and the first laser transmitter 233 respectively and have the same structure;

[0142] The rear end of the first bracket 231 is installed near the upper right corner of the first upper vertical surface 212, and the two first fixing brackets 232 are spaced apart from each other on the first bracket 231, and the two first laser transmitters 233 are respectively installed on the left side of the first fixing bracket 232;

[0143] The two first laser emitters 233 respectively irradiate downwards onto the upper roller surfaces of the two working unwinding rollers 21 in the first upper vertical surface 212 and the first lower vertical surface 213 .

[0144] like Figure 3 and 4 As shown, the unwinding length of the FPC coil passing through the first transition roller 26 can be converted by measuring the number of revolutions of the roller surface of the measuring roller 221, thereby providing the length data of the FPC coil used in actual production.

[0145] like Figure 3 and 4 As shown, by irradiating the upper roller surface of the two unwinding rollers 21 in the working state with rays from the first laser transmitter 233, it is possible to measure and confirm whether the installation position of the FPC rolls set on the two unwinding rollers 21 is appropriate, so as to avoid mutual interference between the upper and lower FPC rolls during unwinding and output.

[0146] like Figure 6 As shown, by irradiating the upper roller surface of the two winding rollers 63 in the working state with rays from the second laser transmitter 663, it is possible to measure and confirm whether the installation position of the FPC rolls set on the two winding rollers 63 is appropriate, so as to avoid mutual interference between the upper and lower FPC rolls when winding.

[0147] Furthermore, the unwinding mechanism further includes a first step-difference buffer module 3; the rewinding mechanism further includes a second step-difference buffer module 7;

[0148] The first step-difference buffer module 3 includes a first buffer frame 31, a first mounting plate 32, a first top bending roller group 33, three first side-end bending rollers 34 and two first lifting power roller groups 36; the second step-difference buffer module 7 includes a second buffer frame 71, a second mounting plate 72, a second top bending roller group 73, two second side-end bending rollers 74 and two second lifting power roller groups 76; the second buffer frame 71, the second mounting plate 72, the second top bending roller group 73, the second side-end bending roller 74 and the second lifting power roller group 76 have the same structure as the first buffer frame 31, the first mounting plate 32, the first top bending roller group 33, the first side-end bending roller 34 and the first lifting power roller group 36, which correspond to each other one by one;

[0149] The first buffer frame 31 is installed on the top of the base frame 1 near the left side of the unwinding module mounting frame 211, the first mounting plate 32 is installed on the bottom of the first buffer frame 31, and the first top bending roller group 33 is installed on the top of the first buffer frame 31; two first side bending rollers 34 are installed at intervals from top to bottom and exposed on the right side of the first buffer frame 31, and the third first side bending roller 34 is installed exposed in the middle of the left side of the first buffer frame 31;

[0150] The first top bending roller group 33 includes three first top bending rollers 331 arranged from left to right.

[0151] The first lifting power roller group 36 includes a first motor 361, a first transmission device 362, a plurality of first guide columns 363 and a first movable roller 364;

[0152] The first transmission device 362 includes a first transmission rod 3621, four first synchronous wheels 3622, two first synchronous belts 3623 and two first connecting plates 3624;

[0153] Two first motors 361 are installed on the top surface of the first mounting plate 32 at intervals on the left and right; two first transmission rods 3621 are suspended on the top surface of the first mounting plate 32 close to the output ends of the two first motors 361, and the outer side surface of the first transmission rod 3621 is transmission-connected with the output end of the first motor 361; the front and rear ends of the first transmission rod 3621 are respectively fitted with two first synchronous wheels 3622, and the other two first synchronous wheels 3622 are suspended on the top of the first buffer frame 31; the two synchronous wheels 362 opposite to each other are a group, and the bottom ends of the two first synchronous belts 3623 are respectively fitted on the outer side surfaces of the two first synchronous wheels 3622 below, and the top ends of the two first synchronous belts 3623 are respectively fitted on the outer side surfaces of the other two first synchronous wheels 3622 above;

[0154] The first guide columns 363 are arranged in groups of two; the two first guide columns 363 in the same group are arranged relatively close to the front and rear ends of a first transmission rod 3621, the bottom end of the first guide column 363 is installed on the top surface of the first mounting plate 32, and the top end of the first guide column 363 is installed on the top of the first buffer frame 31; the two first connecting plates 3624 are arranged relatively close to the two first guide columns 363 in a group, the left end of the first connecting plate 3624 is connected to the outer side surface of a first synchronous belt 3623, the right end of the first connecting plate 3624 can be slidably mounted on the outer side surface of the adjacent first guide column 363, and the front and rear ends of the first movable roller 364 are respectively connected to the front and rear opposite inner side surfaces of the right ends of the two first connecting plates 3624.

[0155] like Figure 1 As shown by the dotted line in the figure, the path of the FPC coil output by the upper first transition roller 26 in the first upper vertical surface 212 (or the first lower vertical surface 213) to enter the first step buffer module 3 is as follows: the FPC coil bypasses the lower roller surface and the left roller surface of the first side end bending roller 34 located on the upper right side (or lower right side) of the first buffer frame 31, and then bypasses the upper roller surface of the first top bending roller 331 on the right side upward, and then bypasses the lower roller surface of the first movable roller 364 on the right side downward, and then bypasses the upper roller surface of the first top bending roller 331 in the middle upward, and then bypasses the lower roller surface of the first movable roller 364 on the left side downward, and then bypasses from the upper roller surface of the first top bending roller 331 on the left, and finally bypasses the lower roller surface of the first side end bending roller 34 located on the left side of the first buffer frame 31 and is output to the FPC wet process processing equipment on the left.

[0156] like Figure 8 and 9 As shown, during the conveying process of the above-mentioned FPC coil in the first step-difference buffer module 3, the first movable roller 364 on the right and the first movable roller 364 on the left will move up and down following the difference in the tension of the FPC coil on the left and right sides; for example, when the tension of the FPC coil on the left is greater than that on the right, the first movable roller 364 will slide down to the right under the action of gravity; conversely, when the tension of the FPC coil on the left is less than that on the right, the first movable roller 364 will slide down to the left under the action of gravity; in this way, the two first movable rollers 364 can slide down under the action of gravity, so that the slack part of the FPC coil (commonly known as the coil step) in the process of outputting the FPC coil from the unwinding module 2 to the FPC wet process processing equipment can be tightened, thereby keeping the FPC coil on the unwinding roller 21 always under tension during the unwinding process and not loosening, and can continuously output the FPC coil to the wet process processing equipment on the left.

[0157] like Figure 1 As shown by the dotted line in , the path of the FPC coil entering the second step-difference buffer module 7 is as follows: the FPC coil bypasses the lower roller surface and the left roller surface of the second side end bending roller 74 located on the right side of the second buffer frame 71, and then bypasses the upper roller surface of the second top bending roller 731 on the right side upward, and then bypasses the lower roller surface of the second movable roller 764 on the right side downward, and then bypasses the upper roller surface of the second top bending roller 731 in the middle upward, and then bypasses the lower roller surface of the second movable roller 764 on the left side downward, and then bypasses from the upper roller surface of the second top bending roller 731 on the left side, and finally the FPC coil bypasses the lower roller surface of the second side end bending roller 74 located on the left side of the second buffer frame 71 and is output to the second transition roller 64 in the second upper vertical surface 621 (or the second lower vertical surface 622) on the left.

[0158] like Fig.10 and 11 As shown, during the conveying process of the above-mentioned FPC coil in the second step-difference buffer module 7, the second movable roller 764 on the right and the second movable roller 764 on the left will move up and down following the difference in the tension of the FPC coil on its left and right sides; for example, when the tension of the FPC coil on its left side is greater than the tension of the FPC coil on the right side, the second movable roller 764 will slide down to the right side under the action of gravity; conversely, when the tension of the FPC coil on its left side is less than the tension of the FPC coil on the right side, the second movable roller 764 will slide down to the left side under the action of gravity; in this way, the slack part of the FPC coil (commonly known as the coil step) in the process of being output from the FPC wet process processing equipment to the winding module 6 can be tightened by the two second movable rollers 764 sliding down under the action of gravity, thereby keeping the FPC coil on the winding roller 63 always under tension during the winding process without wrinkling, and can continuously input the FPC coil from the FPC wet process processing equipment to the winding roller 63.

[0159] Furthermore, the first step-difference buffer module 3 further includes two first lifting position control groups 35; the second step-difference buffer module 7 further includes two second lifting position control groups 75; the second lifting position control groups 75 have the same structure as the first lifting position control group 35;

[0160] The first lifting position control group 35 includes a first limit switch mounting bar 351 and two first limit switches 352;

[0161] The bottom ends of the first limit switch mounting strips 351 are respectively mounted on the top surface of the first mounting plate 32 close to the right side of the first movable roller 364;

[0162] The top end of the first limit switch mounting bar 351 is vertically mounted on the top of the first buffer frame 31, and two first limit switches 352 are installed at a distance from each other in the middle of the first limit switch mounting bar 351; the two first limit switches 352 are respectively electrically connected to the first motors 361 corresponding to the first movable rollers 364 adjacent thereto;

[0163] When the first movable roller 364 moves upward to trigger the first limit switch 352 above, the first limit switch 352 above is turned on and sends a signal to the corresponding first motor 361, and the corresponding first motor 361 switches the running direction to drive the first movable roller 364 to move downward;

[0164] On the contrary, when the first movable roller 364 moves downward to trigger the first limit switch 352 below, the first limit switch 352 below opens and sends a signal to the corresponding first motor 361, and the corresponding first motor 361 switches the running direction to drive the first movable roller 364 to move upward.

[0165] like Figure 8 and 9 As shown, the first motor 361 drives the first transmission rod 3621 to rotate, and the first transmission rod 3621 drives the two first synchronous wheels 3622 to rotate, thereby driving the two first synchronous belts 3623 to move in circles up and down along the outer sides of the two first synchronous wheels 3622, and then driving the two first connecting plates 3624 and the front and rear ends of the first movable roller 364 to move up and down along the two first guide columns 363 between the top and the bottom of the first buffer frame 31.

[0166] like Figure 8 and 9 As shown, through the cooperation of the two upper and lower first limit switches 352 and the corresponding first motor 361, the up and down movement range of the corresponding first movable roller 364 can be controlled not to exceed the position of the two first limit switches 352, thereby avoiding the corresponding first movable roller 364 from colliding with the top surface of the first mounting plate 32 or the top of the first buffer frame 31, thereby avoiding damage to the first movable roller 364 and the FPC roll.

[0167] Similarly, if Fig.10 and 11 As shown, through the cooperation of the two upper and lower second limit switches 752 and the corresponding second motor 761, the up and down movement range of the corresponding second movable roller 764 can be controlled not to exceed the position of the two second limit switches 752, thereby avoiding the corresponding second movable roller 764 from colliding with the top surface of the second mounting plate 72 or the top of the second buffer frame 71, thereby avoiding damage to the second movable roller 764 and the FPC roll.

[0168] Furthermore, the unwinding mechanism further includes a film tearing module 4;

[0169] The film tearing module 4 includes a film tearing frame 41, a film rolling group 42 and a static electricity removal group 43;

[0170] The film tearing frame 41 is installed above the bottom frame 1 near the left side of the first buffer frame 31, and the front and rear faces of the film tearing frame 41 are respectively installed with a film tearing front plate 410 and a film tearing rear plate;

[0171] The film tearing front plate 410 is provided with two pairs of film roll mounting holes 411, respectively, and the two pairs of film roll mounting holes 411 are respectively arranged near the left and right side edges of the film tearing front plate 410, and each pair of two film roll mounting holes 411 separated from each other are located in the same straight line perpendicular to the running direction of the FPC roll material;

[0172] The film rolling group 42 includes two pairs of film rolling rollers 421, and the rear ends of the two pairs of film rolling rollers 421 are respectively installed in the two pairs of film rolling roller installation holes 411; each pair of two film rolling rollers 421 separated from each other are respectively used to roll up the coating torn off the upper surface and the lower surface of the FPC roll;

[0173] The film roll group 42 further includes a second tension control component 422, which includes a second tension shaft 4221, a second transmission device 4222, and a second electronic torque device 4223; each film roll group 42 is correspondingly configured with a second tension control component 422;

[0174] The rear end of the second tensioning shaft 4221 is installed on the film tearing rear plate, the front end of the second tensioning shaft 4221 extends into the film rolling roller 421, and the front end of the second tensioning shaft 4221 is transmission-connected to the inner wall of the film rolling roller 421;

[0175] The film rolling roller 421 is an inflatable shaft structure, and a plurality of flanges are provided on the outer side of the film rolling roller 421. The film rolling roller 421 is connected to the external compressed air through the rear end of the second tensioning shaft 4221.

[0176] The second electronic torquer 4223 and the second transmission device 4222 are both mounted between the film-tearing rear plate and the film-tearing front plate 410; the input end of the second electronic torquer 4223 is transmission-connected to one end of the second transmission device 4222, and the other end of the second transmission device 4222 is transmission-connected to the outer side surface of the second tensioning shaft 4221;

[0177] The second electronic torquer 4223 is one of a torque motor, a servo motor or an electronic clutch brake;

[0178] The static electricity removal group 43 includes a static electricity removal rod 431, a mounting base 433, a static electricity removal group mounting frame 434 and two guide rollers 432; the static electricity removal group mounting frame 434 includes a front end plate 4341 and two cross bars 4342;

[0179] The rear end surface of the mounting base 433 is installed close to the left edge of the film tearing front plate 410, and the mounting base 433 is located between a pair of film rolling roller mounting holes 411 on the right side;

[0180] The rear ends of the two cross bars 4342 are connected to the front end surface of the mounting base 433 at intervals in the upper and lower parts, and the front ends of the two cross bars 4342 are connected to the rear plate surface of the front end plate 4341 at intervals in the upper and lower parts;

[0181] The front and rear ends of the anti-static rod 431 are suspended on the front and rear ends of the upper cross bar 4342; the front and rear ends of the two guide rollers 432 are rotatably mounted on the rear plate surface of the front end plate 4341 and the front end surface of the mounting base 433, respectively, and the two guide rollers 432 are located adjacent to each other up and down between the two cross bars 4342.

[0182] like Figure 1 and 12 -As shown in FIG15, when the subsequent wet process of the FPC coil includes a developing or etching process, it is necessary to remove the protective film on the upper and lower surfaces of the FPC coil. At this time, the entire set of film tearing module 4 can be directly loaded. For a process without film tearing, the entire set of film tearing module 4 can also be moved. The modular film tearing module 4 is easy to load and unload.

[0183] The path of the FPC coil in the film tearing module 4 is as follows: Figure 1 As shown by the dotted line in , the details are as follows: the FPC roll to be torn off passes through the two guide rollers 432, the protective film on the upper surface of the FPC roll is torn off, the roll passes through the gap between the upper cross bar 4342 and the upper guide roller 432, and then is wound around the upper roll roller 421 of a pair of roll rollers 421 separated from each other, and then the protective film on the lower surface of the FPC roll is torn off, the roll passes through the gap between the lower cross bar 4342 and the lower guide roller 432, and then is wound around the lower roll roller 421 of a pair of roll rollers 421 separated from each other, the two roll rollers 421 are ventilated to make them tight, the anti-static rod 431 is started to eliminate the static electricity generated when the film is torn off, and then the corresponding two second electronic torquers 4223 are started, and the torn upper and lower protective films are respectively wound around the outer sides of the two roll rollers 421 separated from each other, and the FPC copper film with the protective film torn off continues to be output to the left to the wet process processing equipment.

[0184] If two rolls of FPC rolls are to be torn off at the same time, the two FPC rolls are spread out at intervals front and back on the lower roller surface of the first side end bending roller 34 and transported to between the two guide rollers 432. According to the above process, after the protective films of the upper and lower surfaces of one roll of the FPC roll are torn off and wound on a pair of two film rolls 421 separated from each other, the protective films of the upper and lower surfaces of the other roll of the FPC roll are torn off, and the film is torn off and wound on another pair of two film rolls 421 separated from each other in the same way. Then, the four film rolls 421 are ventilated to make them tight, the anti-static rod 431 is started, and then the corresponding four second electronic torquers 4223 are started.

[0185] From the above, it can be known that the film tearing module 4 of the double-row unwinding system for the FPC roll wet process of the present invention can simultaneously meet the film tearing processing of two FPC rolls, has good production efficiency, and can also eliminate the static electricity generated during film tearing. The output FPC copper film with the protective film torn off has no static electricity interference to the wet process, which is more conducive to the convenient execution of subsequent wet process.

[0186] In addition, the configuration lengths of the two pairs of film rolls 421 can be selected according to actual needs to match the film tearing processing requirements of FPC rolls of different material widths, thereby improving the convenience of customer selection and configuration.

[0187] Furthermore, the winding mechanism further includes a tension detection module 8;

[0188] The tension detection module 8 includes a tension detection module fixing frame 81, a tension transition roller 82, a tension detection roller 83, a tension detector 84 and a tension data processor 85;

[0189] The tension detection module fixing frame 81 includes a first fixing frame 811 and a second fixing frame 812 stacked up and down; the tension detection module fixing frame 81 is installed above the mounting base 5 and is set between the second buffer frame 71 and the double-layer placing frame 51;

[0190] The two tension detection rollers 83 are respectively mounted on the top surface of the bottom of the first fixed frame 811 and the top surface of the bottom of the second fixed frame 812, the front and rear ends of the tension detection roller 83 are respectively arranged close to the front and rear ends of the first fixed frame 811 or the second fixed frame 812, the two groups of tension detectors 84 are respectively installed at the front and rear ends of the two tension detection rollers 83, and the two tension data processors 85 are installed close to the rear ends of the tension detection rollers 83;

[0191] The upper frame of each tension detection roller 83 is equipped with two tension transition rollers 82 opposite to each other on the left and right sides;

[0192] The tension detector 84 is electrically connected to the tension data processor 85 , and the tension data processor 85 is also electrically connected to the servo motor 673 connected to the corresponding winding roller 63 .

[0193] like Figure 1 and 16 As shown in Figure 18, the FPC coil is output from the lower roller surface of the bending roller 74 at the second side end on the left side of the second buffer frame 71. Before entering any second transition roller 64 of the winding module 6, the FPC coil first passes through the tension detection module 8, and its path is as follows: the FPC coil first bypasses the left roller surface of the tension transition roller 82 on the right side of the first fixed frame 811 or the second fixed frame 812, and then goes down to bypass the lower roller surface of the tension detection roller 83 of the first fixed frame 811 or the second fixed frame 812, and then bypasses the right roller surface and the upper roller surface of the tension transition roller 82 on the left side of the first fixed frame 811 or the second fixed frame 812 to enter the upper surface of the second transition roller 64 of the winding module 6. Roller surface; During the period when the FPC coil passes through the tension detection module 8, the FPC coil bypasses the corresponding tension detection roller 83, and the tension detectors 84 at both ends of the corresponding tension detection roller 83 detect the tension of the FPC coil on the lower roller surface of the corresponding tension detection roller 83, and feed back the relevant information to the tension data processor 85. After processing, the tension data processor 85 controls the current or voltage of the servo motor 673 connected to the corresponding winding roller 63, thereby controlling the rotation line speed of the corresponding winding roller 63, and further controlling the winding tension of the winding roller 63 on the FPC coil to be not greater than the deformation tension of the FPC coil, thereby protecting the wound FPC coil.

[0194] Furthermore, the winding module 6 of the winding mechanism is also provided with a position correction module 68;

[0195] The position correction module 68 includes a guide rail 681, a slider 682, a horizontal moving cylinder 683, a deviation detector 684 and a correction signal processor 685; the deviation detector 684 is an ultrasonic detector;

[0196] At least two guide rails 681 are installed on the top surface of the upper frame 612 or the lower frame 611 at intervals, a pair of sliders 682 are installed on the top of the guide rails 681 at intervals, and can be slidably installed. The bottom surface of the winding module mounting frame 61 is fixed on the top of the two pairs of sliders 682. The horizontal moving cylinder 683 is installed on the top surface of the upper frame 612 or the lower frame 611. The horizontal moving cylinder 683 and the slider 682 are arranged one by one. The output end of the horizontal moving cylinder 683 is drivingly connected with the outward end of the slider 682.

[0197] The bottom end of the offset detector 684 is installed close to the right edge of the winding module mounting frame 61, and the top end of the offset detector 684 is provided with a detection port, which is used to detect the movement change of the edge of the FPC coil input to the winding roller 63;

[0198] The deflection correction signal processor 685 is installed on the top of the winding module mounting frame 61 above, the position detector 684 is electrically connected to the deflection correction signal processor 685, and the deflection correction signal processor 685 is also electrically connected to the horizontal moving cylinder 683.

[0199] like Figure 5 and 19 As shown, when the deviation detector 684 detects that the edge of the FPC coil of the winding roller 63 of the input winding module 6 is offset, the deviation detector 684 sends a signal to the correction signal processor 685, and the correction signal processor 685 calculates the offset according to the received data. The correction signal processor 685 sends a signal to start the corresponding horizontal moving cylinder 683 to push the corresponding slider 682, thereby driving the corresponding winding module mounting frame 61 to move, thereby avoiding the situation where the edges of the FPC coil at both ends of the FPC coil wound on the winding roller 63 are uneven, thereby ensuring the quality of the output FPC coil products.

[0200] Push the detection port at the top of the deviation detector 684 toward the edge of the input FPC coil so that the edge of the FPC coil passes between the upper and lower sides of the detection port. The upper and lower sides of the detection port are respectively provided with an ultrasonic transmitting end and a receiving end. When the edge position of the FPC coil changes, the signal received by the ultrasonic receiving end also changes accordingly, thereby obtaining information on the position offset of the FPC coil.

[0201] In some embodiments, the unwinding rollers 21 and the first transition rollers 26 of the two first working surfaces are respectively selected to be adapted to FPC coils with a width of 250 mm or 500 mm;

[0202] When an FPC coil material with a material width of 250 mm is used for production, the unwinding rollers 21 and the first transition roller 26 on the upper and lower first working surfaces can output two rolls of FPC coil material at the same time;

[0203] When a FPC coil with a material width of 500 mm is used for production, only the unwinding roller 21 and the first transition roller 26 matched with the material width of 500 mm can output a roll of FPC coil;

[0204] The winding roller 63 , the second transition roller 64 and the film winding roller 421 are respectively adapted to the corresponding unwinding roller 21 .

[0205] 250mm and 500mm are the two most widely used standard widths of FPC coils on the market. The double-row unwinding and rewinding system for FPC coil wet process of the present invention configured in this way can be compatible with the unwinding, film tearing and rewinding of 250mm and 500mm FPC coils at the same time, can meet the production support of most conventional orders, and has good versatility.

[0206] In summary, if Figure 1-19 In the embodiment of the present invention shown, the double-row unwinding system for FPC coil wet process includes the unwinding mechanism and the rewinding mechanism respectively arranged near the coil input end and the output end of the FPC coil wet process equipment, the two unwinding rollers 21 of the first working surfaces can output two rolls of FPC coil at the same time, and the two rewinding rollers 63 of the second working surfaces can also receive two rolls of FPC coil at the same time; and the rollers of each module group can be selectively configured to have different lengths to adapt to the production support of rewinding and unwinding of FPC coils with different material widths. Therefore, the double-row unwinding system for FPC coil wet process of the present invention has good compatibility and versatility, can save equipment investment, reduce the occupation of production site, and reduce the manufacturing cost of manufacturers of FPC coil products.

[0207] In addition, the unwinding roller 21, the winding roller 63 and the film tearing roller 421 are all configured in a backup and a standby manner, which can maintain the continuous supply, film tearing and winding of the FPC roll material. Each module is independent of each other, and the overall rapid installation and disassembly can be achieved. In addition, there are also a film tearing module 4, a tension detection module 8, a position correction module 68, and a first and a second step buffer module, which are convenient for customers to select and configure according to different needs. Each module can be added and removed as needed, and installation and maintenance are convenient.

[0208] The technical principle of the present invention is described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations herein, those skilled in the art can associate other specific implementations of the present invention without paying creative labor, and these methods will fall within the scope of protection of the present invention.

Claims

1. A double-row unwinding and rewinding system for FPC coil wet process, characterized in that: It includes an unwinding mechanism and a rewinding mechanism; The unwinding mechanism comprises a base frame and a winding module, wherein the winding module is installed above the base frame; the winding mechanism comprises a mounting base frame and a winding module, wherein the winding module is installed above the mounting base frame; A first upper vertical surface and a first lower vertical surface are provided in front of the unwinding module, and the first upper vertical surface and the first lower vertical surface are two first working surfaces; a second upper vertical surface and a second lower vertical surface are provided in front of the winding module, and the second upper vertical surface and the second lower vertical surface are two second working surfaces; From left to right, each first working surface is provided with two unwinding rollers and two first transition rollers arranged in an up-and-down staggered manner, and the first transition roller is located on the left side of the unwinding roller; wherein one of the unwinding rollers is used to cover an FPC roll in an output state, and the other unwinding roller is used to cover another FPC roll to be output; each second working surface is provided with two winding rollers and a second transition roller arranged in an up-and-down staggered manner, and the second transition roller is located on the right side of the winding roller; wherein one of the winding rollers is used to cover an FPC roll in a reeled state, and the other winding roller is used to cover another spare reeled FPC roll; The FPC rolls wound by the unwinding rollers and the first transition rollers on the two first working surfaces have different material widths; the roll lengths of the winding rollers and the second transition rollers configured on the two second working surfaces are configured to correspond to the roll lengths of the unwinding rollers and the first transition rollers on the two first working surfaces; The unwinding module is also provided with an unwinding module mounting frame, an unwinding module mounting plate, an upper working plate, a lower working plate and a plurality of first tension control components; The unwinding module mounting frame is mounted above the base frame, the upper working plate and the lower working plate are mounted on the upper and lower parts of the front end surface of the unwinding module mounting frame respectively, and the front plate surface of the upper working plate and the front plate surface of the lower working plate are the first upper vertical surface and the first lower vertical surface respectively; The two unwinding module mounting plates are respectively mounted on the rear end surface of the unwinding module mounting frame adjacent to each other up and down, and the two unwinding module mounting plates are respectively located behind the first upper vertical surface and the first lower vertical surface; The rewinding module is also provided with a rewinding module mounting frame, a rewinding module mounting plate assembly and a rewinding power control assembly; The installation chassis is provided with a double-layer placing rack which is suspended above and below, and the double-layer placing rack includes an upper rack and a lower rack; The two retracting module mounting frames are respectively mounted on the top surface of the upper frame and the top surface of the lower frame; The rewinding module mounting plate group includes two front mounting plates and two rear mounting plates; the two front mounting plates and the two rear mounting plates are respectively mounted on the front end surface and the rear end surface of the rewinding module mounting frame, and the front plate surfaces of the two upper and lower adjacent front mounting plates are respectively the second upper vertical surface and the second lower vertical surface; The winding rollers are configured in a one-to-one correspondence with the winding power control components; the winding power control components include a winding tensioning shaft, a winding transmission device and a servo motor; The rear end of the winding and tensioning shaft is installed on the rear mounting plate, the front end of the winding and tensioning shaft extends into the corresponding winding roller in front, and the front end of the winding and tensioning shaft is transmission-connected to the inner wall of the corresponding winding roller.

2. The double-row unwinding and rewinding system for FPC coil wet process according to claim 1, characterized in that: The first tension control assembly includes a first tensioning shaft, a first transmission device and a first electronic torquer; The rear end of the first tensioning shaft is mounted on the unwinding module mounting plate, the front end of the first tensioning shaft extends into the unwinding roller, and the front end of the first tensioning shaft is transmission-connected to the inner wall of the unwinding roller; The first electronic torquer and the first transmission device are mounted between one of the unwinding module mounting plates and the upper working plate or between the other unwinding module mounting plate and the lower working plate; the input end of the first electronic torquer is transmission-connected to one end of the first transmission device, and the other end of the first transmission device is transmission-connected to the outer side surface of the first tensioning shaft; each unwinding roller is correspondingly equipped with a first tension control component; The servo motor and the winding transmission device are mounted between the front mounting plate and the rear mounting plate; the input end of the servo motor is drivingly connected to one end of the winding transmission device, and the other end of the winding transmission device is drivingly connected to the outer side surface of the winding tensioning shaft; The unwinding roller and the winding roller are both inflatable shaft structures, and the outer sides of the unwinding roller and the winding roller are both provided with a plurality of flanges. The unwinding roller is connected to the compressed air outside through the rear end of the first tensioning shaft, and the winding roller is connected to the compressed air outside through the rear end of the winding and tensioning shaft.

3. The double-row unwinding and rewinding system for FPC coil wet process according to claim 2, characterized in that: The unwinding module is further provided with a first coil connecting assembly, and the winding module is further provided with a second coil connecting assembly; The first coil material docking assembly is installed on the first docking platform, the first movable pressure plate and the first pressure plate cylinder; the second coil material docking assembly includes the second docking platform, the second movable pressure plate and the second pressure plate cylinder; the second docking platform, the second movable pressure plate and the second pressure plate cylinder respectively correspond to the first docking platform, the first movable pressure plate and the first pressure plate cylinder respectively and have the same structure; The rear end of the first docking platform is installed on the first upper vertical surface or the first lower vertical surface, and the first docking platform is close to the left side of the first transition roller above the first working surface; the two first movable pressing plates are respectively installed close to the left and right edges of the top surface of the first docking platform; the two first pressing plate cylinders are respectively installed close to the left and right edges of the bottom surface of the first docking platform, and the output end of the first pressing plate cylinder is transmission-connected to the front and rear ends of the first movable pressing plate; The first pressing plate cylinder drives the first movable pressing plate to move up and down above the first docking platform, opening and closing the gap between the bottom surface of the first movable pressing plate and the top surface of the first docking platform.

4. The double-row unwinding and rewinding system for FPC coil wet process according to claim 3, characterized in that: The winding and unwinding module is also provided with a meter counter component; The rear end of the meter counter assembly is mounted on the first upper vertical surface or the first lower vertical surface, and the meter counter assembly is arranged on the upper right side of the first transition roller above the first working surface; a measuring roller is arranged at the left end of the meter counter assembly, and the roller surface of the measuring roller abuts against the upper roller surface of the first transition roller; the measuring roller rotates in the opposite direction to the rotation of the first transition roller; The unwinding module is also provided with a first laser measuring component; the rewinding module is also provided with a second laser measuring component; The first laser measurement assembly includes a first bracket, a first fixing frame and a first laser transmitter; the second laser measurement assembly includes a second bracket, a second fixing frame and a second laser transmitter; the second bracket, the second fixing frame and the second laser transmitter respectively correspond to the first bracket, the first fixing frame and the first laser transmitter respectively and have the same structure; The rear end of the first bracket is installed near the upper right corner of the first upper vertical surface, the two first fixing brackets are mounted on the first bracket at intervals in front and back, and the two first laser transmitters are respectively installed on the left side of the first fixing bracket; The two first laser emitters respectively irradiate downwards onto the upper roller surfaces of the two unwinding rollers in the first upper vertical surface and the first lower vertical surface that are in a working state.

5. The double-row unwinding and rewinding system for FPC coil wet process according to claim 4, characterized in that: The unwinding mechanism further includes a first step-difference buffer module; the rewinding mechanism further includes a second step-difference buffer module; The first step-difference buffer module comprises a first buffer frame, a first mounting plate, a first top bending roller group, three first side-end bending rollers and two first lifting power roller groups; the second step-difference buffer module comprises a second buffer frame, a second mounting plate, a second top bending roller group, two second side-end bending rollers and two second lifting power roller groups; the second buffer frame, the second mounting plate, the second top bending roller group, the second side-end bending roller and the second lifting power roller group have the same structure as the first buffer frame, the first mounting plate, the first top bending roller group, the first side-end bending roller and the first lifting power roller group respectively in one-to-one correspondence; The first buffer frame is installed on the top of the base frame near the left side of the unwinding module mounting frame, the first mounting plate is installed on the bottom of the first buffer frame, and the first top bending roller assembly is installed on the top of the first buffer frame; two first side-end bending rollers are installed at intervals above and below and exposed on the right side of the first buffer frame, and the third first side-end bending roller is installed and exposed in the middle of the left side of the first buffer frame; The first top bending roller group includes three first top bending rollers arranged from left to right at intervals; The first lifting power roller group includes a first motor, a first transmission device, a plurality of first guide columns and a first movable roller; The first transmission device comprises a first transmission rod, four first synchronous wheels, two first synchronous belts and two first connecting plates; Two first motors are installed on the top surface of the first mounting plate at intervals on the left and right; two first transmission rods are respectively suspended on the top surface of the first mounting plate near the output ends of the two first motors, and the outer side surface of the first transmission rod is transmission-connected with the output end of the first motor; two first synchronous wheels are respectively mounted on the front and rear ends of the first transmission rod, and the other two first synchronous wheels are suspended on the top of the first buffer frame; the two synchronous wheels opposite to each other form a group, and the bottom ends of the two first synchronous belts are respectively mounted on the outer side surfaces of the two first synchronous wheels below, and the top ends of the two first synchronous belts are respectively mounted on the outer side surfaces of the other two first synchronous wheels above; The first guide columns are arranged in groups of two; the two first guide columns in the same group are arranged relatively close to the front and rear ends of the first transmission rod, the bottom end of the first guide column is installed on the top surface of the first mounting plate, and the top end of the first guide column is installed on the top of the first buffer frame; the two first connecting plates are arranged relatively close to the two first guide columns in a group, the left end of the first connecting plate is connected to the outer side surface of the first synchronous belt, the right end of the first connecting plate can be slidably mounted on the outer side surface of the adjacent first guide column, and the front and rear ends of the first movable roller are respectively connected to the front and rear inner side surfaces of the right ends of the two first connecting plates that are relatively close.

6. The double-row unwinding and rewinding system for FPC coil wet process according to claim 5, characterized in that: The first step-difference buffer module further includes two first lifting position control groups; the second step-difference buffer module further includes two second lifting position control groups; the second lifting position control groups have the same corresponding structure as the first lifting position control groups; The first lifting position control group includes a first limit switch mounting bar and two first limit switches; The bottom ends of the first limit switch mounting strips are respectively mounted on the top surface of the first mounting plate close to the right side of the first movable roller; The top end of the first limit switch mounting bar is vertically mounted on the top of the first buffer frame, and two first limit switches are installed at intervals in the middle of the first limit switch mounting bar; the two first limit switches are respectively electrically connected to the first motors corresponding to the adjacent first movable rollers; When the first movable roller moves upward and triggers the first limit switch above, the first limit switch above is turned on and sends a signal to the corresponding first motor, and the corresponding first motor switches the running direction to drive the first movable roller to move downward; On the contrary, when the first movable roller moves downward and triggers the first limit switch below, the first limit switch below opens and sends a signal to the corresponding first motor, and the corresponding first motor switches the running direction to drive the first movable roller to move upward.

7. The double-row unwinding and rewinding system for FPC coil wet process according to claim 6, characterized in that: The unwinding mechanism also includes a film tearing module; The film tearing module comprises a film tearing frame, a film rolling group and a static electricity removal group; The film tearing frame is installed above the base frame near the left side of the first buffer frame, and the front and rear faces of the film tearing frame are respectively installed with a film tearing front plate and a film tearing rear plate; The film tearing front plate is respectively provided with two pairs of film roll roller mounting holes, and the two pairs of film roll roller mounting holes are respectively arranged near the left and right side edges of the film tearing front plate, and each pair of two film roll roller mounting holes separated from each other are located in the same straight line perpendicular to the running direction of the FPC roll material; The film rolling group includes two pairs of film rolling rollers, and the rear ends of the two pairs of film rolling rollers are respectively installed in the two pairs of film rolling roller installation holes; each pair of two film rolling rollers separated from each other are respectively used to roll up the coating torn off the upper surface and the lower surface of the FPC roll; The film rolling group further includes a second tension control component, which includes a second tensioning shaft, a second transmission device and a second electronic torque device; each of the film rolling groups is correspondingly configured with one second tension control component; The rear end of the second tensioning shaft is installed on the film tearing rear plate, the front end of the second tensioning shaft extends into the film rolling roller, and the front end of the second tensioning shaft is transmission-connected to the inner wall of the film rolling roller; The film rolling roller is an inflatable shaft structure, and a plurality of flanges are provided on the outer side of the film rolling roller. The film rolling roller is connected to the external compressed air through the rear end of the second tensioning shaft; The second electronic torquer and the second transmission device are both mounted between the film tearing rear plate and the film tearing front plate; the input end of the second electronic torquer is transmission-connected to one end of the second transmission device, and the other end of the second transmission device is transmission-connected to the outer side surface of the second tensioning shaft; The second electronic torquer is one of a torque motor, a servo motor or an electronic clutch brake; The static electricity removal group includes a static electricity removal rod, a mounting base, a static electricity removal group mounting frame and two guide rollers; the static electricity removal group mounting frame includes a front end plate and two cross bars; The rear end surface of the mounting base is installed close to the left edge of the film tearing front plate, and the mounting base is located between a pair of film rolling roller mounting holes on the right side; The rear ends of the two cross bars are connected to the front end surface of the mounting base at intervals, and the front ends of the two cross bars are connected to the rear plate surface of the front end plate at intervals; The front and rear ends of the static electricity removal rod are suspended on the front and rear ends of the upper cross bar; the front and rear ends of the two guide rollers are rotatably mounted on the rear plate surface of the front end plate and the front end surface of the mounting base respectively, and the two guide rollers are located adjacent to each other between the two cross bars.

8. The double-row unwinding and rewinding system for FPC coil wet process according to claim 7, characterized in that: The winding mechanism also includes a tension detection module; The tension detection module comprises a tension detection module fixing frame, a tension transition roller, a tension detection roller, a tension detector and a tension data processor; The tension detection module fixing frame includes a first fixing frame and a second fixing frame stacked up and down; the tension detection module fixing frame is installed above the mounting base and is set up between the second buffer frame and the double-layer placement frame; The two tension detection rollers are respectively mounted on the top surface of the bottom of the first fixed frame and the top surface of the bottom of the second fixed frame, the front and rear ends of the tension detection roller are respectively arranged close to the front and rear ends of the first fixed frame or the second fixed frame, the two groups of tension detectors are respectively installed at the front and rear ends of the two tension detection rollers, and the two tension data processors are installed close to the rear ends of the tension detection rollers; The upper frame of each tension detection roller is equipped with two tension transition rollers opposite to each other on the left and right sides; The tension detector is electrically connected to the tension data processor, and the tension data processor is also electrically connected to the servo motor connected to the corresponding winding roller.

9. The double-row unwinding and rewinding system for FPC coil wet process according to claim 8, characterized in that: The winding mechanism and the winding module are also provided with a position correction module; The position correction module comprises a guide rail, a slider, a horizontal moving cylinder, a deviation detector and a correction signal processor; the deviation detector is an ultrasonic detector; At least two of the guide rails are installed on the top surface of the upper frame or the lower frame at intervals, a pair of sliders are installed above the guide rails at intervals and can slide, and the bottom surface of the winding module mounting frame is fixed above the two pairs of sliders; the horizontal moving cylinder is installed on the top surface of the upper frame or the lower frame, the horizontal moving cylinder and the slider are arranged one by one, and the output end of the horizontal moving cylinder is drivingly connected to the outward end of the slider; The bottom end of the offset detector is installed close to the right edge of the winding module mounting frame, and the top end of the offset detector is provided with a detection port, which is used to detect the movement change of the edge of the FPC coil input to the winding roller; The deflection correction signal processor is installed on the top of the winding module mounting frame above, the position detector is electrically connected to the deflection correction signal processor, and the deflection correction signal processor is also electrically connected to the horizontal moving cylinder.

10. The double-row unwinding and rewinding system for FPC coil wet process according to claim 9, characterized in that: The unwinding rollers and the first transition rollers of the two first working surfaces are respectively selected to be adapted to FPC coils with a width of 250 mm or 500 mm; When an FPC coil material with a material width of 250 mm is used for production, the unwinding rollers and the first transition rollers on the upper and lower first working surfaces can output two rolls of FPC coil material at the same time; When the FPC coil material with a material width of 500 mm is used for production, only the unwinding roller and the first transition roller matched with the material width of 500 mm can output one roll of FPC coil material; The winding roller, the second transition roller and the film winding roller are respectively adapted to the corresponding unwinding rollers.

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