Automatic film laminating device for FPC (Flexible Printed Circuit)

Abstract

The invention relates to the field of printed circuit manufacturing equipment, and discloses an FPC flexible board automatic film covering device which comprises a reciprocating bearing mechanism located on a closed-loop transmission mechanism and used for bearing and conveying FPC base materials in batches in cooperation with a traction clamping piece; the base material input mechanism is located on the external machine frame and matched with the separation bearing table to be used for inputting FPC base materials to be coated in batches. The single-face film covering mechanism is located on the external machine frame and used for conducting single-face film covering operation on the conveyed FPC in cooperation with the separation bearing table and the tail blocking frame. Through circulating movement of the multiple sets of reciprocating bearing mechanisms on the closed-loop track, the equipment carries out multiple procedures such as base material input, top face film covering, U-shaped overturning and bottom face film covering at any time point at the same time, so that the shutdown waiting time caused by the steps of feeding, discharging, overturning and the like in traditional equipment is thoroughly eliminated, loading of the current set is completed, and the working efficiency is greatly improved. And the precise rhythm control ensures that the material flow is seamlessly transferred between the stations.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of printed circuit manufacturing equipment, in particular to an automatic laminating device for FPC flexible board. BACKGROUND

[0002] Flexible circuit board, also known as FPC flexible board, is a printed circuit made of flexible insulating substrate, which has many advantages that hard printed circuit boards do not have, such as being able to bend, wind, fold freely, being arranged arbitrarily according to space layout requirements, and being moved and stretched arbitrarily in three-dimensional space, thereby achieving the integration of component assembly and wire connection. When processing FPC flexible board, it needs to be laminated for protection. In the production of coiled FPC flexible circuit board, in order to prevent surface scratches and copper oxidation of the coiled FPC flexible circuit board during production process and use, a thin flexible cover film is pasted on the surface of the coiled FPC to achieve the purpose of protection and prevention of oxidation.

[0003] Traditional operation is often single-sided lamination, manual or mechanical hand picking, turning over, repositioning, and laminating the other side. There is a stop and waiting time between each link. The equipment must be stopped or slowed down during the feeding, discharging and turning over process, and cannot form a continuous production flow. It is seriously dependent on manual intervention, the production rhythm is slow, the production capacity bottleneck is obvious, and the FPC substrate needs to be taken out, turned over and then repositioned in another device or station for the second lamination after single-sided lamination. This repositioning process is prone to deviation, and the two laminations are performed with different references, which makes it difficult to ensure the graphic alignment accuracy (such as window position) of double-sided lamination. The FPC material is soft, wrinkled and deformed, and is prone to scratches during traditional turning over process, whether it is manual turning over or mechanical hand picking. The two laminations may be completed on different devices, resulting in inconsistent quality of double-sided lamination. The whole line is composed of multiple independent devices, and the changeover and debugging are complex, which is difficult to meet the production needs of small batch and multiple varieties. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides an automatic laminating device for FPC flexible board, which solves the problems of low efficiency, positioning deviation, substrate damage and inconsistent quality caused by discrete operation in traditional FPC lamination process.

[0005] To achieve the above purpose, the present application realizes the following technical scheme: an automatic laminating device for FPC flexible board, comprising:

[0006] An external rack is used to fix the structure of the automatic laminating device for FPC flexible board.

[0007] An internal U-shaped table is located on the external rack and is used to form a U-shaped guiding and bearing structure.

[0008] The closed-loop drive mechanism is located on the external frame and is used to provide closed-loop reciprocating traction force for the film conveying of FPC;

[0009] The reciprocating load-bearing mechanism is located on the closed-loop transmission mechanism and works with the traction clamp to carry and transport FPC base material in batches.

[0010] The base material input mechanism is located on the external frame and works with the partitioned support platform to input FPC base materials to be coated in batches.

[0011] The single-sided lamination mechanism is located on the external frame and works with the partition carrier and the tail barrier to perform single-sided lamination on the FPC being transported.

[0012] An additional laminating mechanism is located on the built-in U-shaped platform, which, together with the guide ramp of the built-in U-shaped platform, is used to perform laminating operations on the other side of the FPC.

[0013] Preferably, the built-in U-shaped platform has an elliptical structure with an open top to form a U-shaped support structure at the bottom. The built-in U-shaped platform is fixed to the bottom of the external frame, and the guide ramp structure is set at the position of the built-in U-shaped platform near the output direction. The closed-loop transmission mechanism is embedded in the external frame. The reciprocating support mechanism consists of multiple sets and is equidistantly distributed on the closed-loop transmission mechanism. The base material input mechanism is fixed in the input area at the top of the external frame. The single-sided coating mechanism is set in the area adjacent to the base material input mechanism at the top of the external frame. The additional coating mechanism is set in the output area at the bottom of the built-in U-shaped platform.

[0014] Preferably, the closed-loop transmission mechanism includes closed-loop link components, which are relatively distributed and traction-driven within an external frame and embedded in a built-in U-shaped platform, with traction cards distributed on each link of the closed-loop link components.

[0015] Preferably, the reciprocating load-bearing mechanism includes a front traction bar and a rear traction bar. The front traction bar and the rear traction bar are engaged with the traction card of the closed-loop link component through the embedded shaft structure on both sides. A row of traction bars is distributed between the front traction bar and the rear traction bar and is connected by a combination of single-line chains that pull each other. The partition load-bearing platform is distributed on the row of traction bars to form a parallel FPC load-bearing area.

[0016] Preferably, the base material input mechanism includes an input top frame, which is fixed to one side of the top of the external frame, and the input top frame is provided with feeding frames distributed inside.

[0017] Preferably, the single-sided film covering mechanism comprises a side-mounted top frame and a pasting output assembly, a first separating and unwinding wheel is rotatably arranged on the top of the side-mounted top frame close to one side of the base material input mechanism, the first separating and unwinding wheel comprises a plurality of sets of parallel distributed output disc structures, upper and lower opposing impression counter-rollers are rotatably arranged in the side-mounted top frame and linearly distributed in the side-mounted top frame to receive the film output by the first separating and unwinding wheel and perform pressing and slotting, and the pasting output assembly is arranged on the side of the side-mounted top frame away from the first separating and unwinding wheel.

[0018] Preferably, the additional film covering mechanism comprises a bottom-mounted output roller frame, second opposing impression counter-rollers and a second separating and unwinding wheel, the bottom-mounted output roller frame is fixed on the built-in U-shaped table and located on the inclined top surface of the guide inclined plate structure, the second opposing impression counter-rollers are arranged in an upper and lower opposing form on the built-in U-shaped table, the second separating and unwinding wheel is arranged on the bottom of the built-in U-shaped table close to one side of the base material input mechanism, an obliquely arranged inclined blade is slidably arranged on the top of the bottom-mounted output roller frame, and a snap spring is connected between the sliding end of the inclined blade and the inner wall of the bottom-mounted output roller frame, and the top end extends to the displacement trajectory line of the tail-mounted blocking frame.

[0019] Preferably, the outer side of the rear end traction strip is rotatably provided with a tail-mounted blocking frame, and a snap spring structure is connected between the tail-mounted blocking frame and the rear end traction strip.

[0020] Preferably, the pasting output assembly comprises an inclined frame, the inclined frame is rotatably arranged on the side of the side-mounted top frame away from the first separating and unwinding wheel, a snap spring is connected between the shaft part of the inclined frame and the side-mounted top frame, an output compression roller is rotatably arranged on the outer end of the inclined frame, an outward protruding frame is arranged in the middle of the inclined frame and rotatably arranged with an adhering roller, a liquid delivery pipe is fixed on the inner side of the protruding frame of the inclined frame, a slot is arranged on the side of the adhering roller opposite to the liquid delivery pipe, and the adhering roller is driven to be embedded in a pasting manner.

[0021] Preferably, a U-shaped cutter frame is rotatably arranged on the outer end of the inclined frame in the inner side direction of the output compression roller, and a snap spring structure is arranged on the shaft of the U-shaped cutter frame, and the curved end of the U-shaped cutter frame extends to the displacement trajectory line of the tail-mounted blocking frame.

[0022] The application provides an FPC flexible plate automatic film covering device. The application has the following advantages:

[0023] 1. The application has high efficiency and continuous production mode: the most core technical effect of the equipment is to realize the transition from intermittent production to full continuous flow line operation. Through the circulation movement of multiple reciprocating bearing mechanisms on the closed loop track, the equipment simultaneously performs multiple processes such as substrate input, top surface film coating, U-shaped turning, bottom surface film coating, etc. at any time point, which completely eliminates the downtime waiting time caused by feeding, discharging, turning and other steps in traditional equipment, maximizes the time utilization rate of the equipment, emphasizes synchronous triggering of the next input, and the current group completes loading, and the next group enters, this precise beat control ensures seamless transfer of material flow between stations, forming a stable production rhythm similar to an industrial conveyor belt, the multi-column design of the separation bearing table supports one-time loading of multiple FPC substrates, realizes parallel processing of small batches, at the same time, the dynamic cutting realized by the U-shaped tool holder and the inclined blade saves processing time again compared with traditional needle cutting, avoids efficiency loss caused by frequent start and stop, and the design upgrades the film coating production from single-piece flow or small batch intermittent flow to continuous flow.

[0024] 2. The application has high efficiency, stability and positioning accuracy: the closed loop transmission mechanism and the traction strip connected by the single line chain constitute the skeleton of the system, which ensures that all bearing mechanisms can maintain strict equidistance and synchronization on the motion path, including straight line segment and U-shaped bend, which is the basis for realizing precise docking between stations, it is pointed out that the closed loop link member can adapt to the curved path of the built-in U table through chain link deformation, this feature is crucial, it enables the bearing mechanism to pass through the turning area smoothly and with low vibration, avoids jamming, impact or position deviation, ensures that the FPC substrate will not shift or be damaged during turning, the cooperation of the tail blocking frame and the U-shaped tool holder is a delicate mechanical linkage design, through a series of actions such as pushing, swinging, cutting, disengaging and spring resetting, it realizes the hard mechanical synchronization of film length and bearing table displacement, this pure mechanical triggering method is more direct, faster and more reliable than sensor electric control, especially in high-frequency reciprocating motion, the blocking structure at the bottom of the built-in U table provides physical support for the FPC substrate during turning, effectively overcoming the influence of gravity and centrifugal force, preventing the flexible and weak FPC from slipping or wrinkling during turning.

[0025] 3, The film coating process quality guarantee: the impression opposite roller is first treated with windowing such as hole or specific pattern before film coating and pressing, which means that the pretreatment and coating process of the film coating material are integrated on one line, reducing additional processes and errors that may be introduced thereby, at the same time, the synchronous tension control with the unwinding wheel is emphasized, which is the key to ensure that the film coating material is wrinkle-free and stretch-free during the conveying, windowing and coating process, directly determining the flatness of the coating, the cooperation of the infusion tube and the attachment roller realizes the uniform and quantitative coating of the attachment liquid (which may be glue or adhesion aid), the rotation of the attachment roller uniformly conducts the liquid to the coating surface of the film coating material, this design is more economical in material than spraying and more uniform than scraping, which can effectively avoid problems such as air bubbles, lack of glue or glue overflow, etc., ensuring the bonding strength and consistency, the output pressure roller presses the film first end tightly, and at the same time the attachment roller makes the attachment liquid penetrate further through rotation, this pressing and penetrating action ensures that there are no air bubbles between the film and the FPC substrate, complete coating, and the adhesive is fully soaked, forming a firm bonding layer.

[0026] 4, The present application has excellent flexibility and modular design: the whole system, from the deformable chain type bearing traction structure to the U-shaped turnover table guide, is definitely for the service of FPC flexible material, which perfectly solves the industry problem of easy wrinkling and damage of flexible materials in automatic handling and turnover, integrates complex turnover function in a compact U-shaped channel, which is a big highlight in equipment layout, it realizes the function of 180° turnover of workpiece in the condition of limited horizontal space, makes the structure of double-sided film coating equipment more compact and the floor area smaller, the equipment can be divided into base input module, top film coating module, U-shaped turnover module and bottom film coating module, this modular design is convenient for installation, debugging and maintenance of the equipment, and gives the equipment good scalability. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a three-dimensional schematic diagram of the main structure of the present application Figure 1 ;

[0028] Figure 2 is a three-dimensional schematic diagram of the main structure of the present application Figure 2 ;

[0029] Figure 3 is a three-dimensional schematic diagram of the main structure of the present application Figure 3 ;

[0030] Figure 4 is a schematic diagram of the closed-loop transmission mechanism in the installed state

[0031] Figure 5 is a schematic diagram of the reciprocating bearing mechanism structure

[0032] Figure 6 is a schematic diagram of the reciprocating bearing mechanism in the installed state

[0033] Figure 7 The schematic diagram of the internal structure of the main body of the present application is shown in Figure 1.

[0034] Figure 8 The schematic diagram of the single-sided film covering mechanism structure of the present application is shown in Figure 2.

[0035] Figure 9 The schematic diagram of the attaching output assembly structure of the present application is shown in Figure 3. Figure 1

[0036] Figure 10 The schematic diagram of the attaching output assembly structure of the present application is shown in Figure 4. Figure 2

[0037] Figure 11 The schematic diagram of the additional film covering machine structure of the present application is shown in Figure 5.

[0038] Figure 12 The enlarged schematic diagram of A in the present application is shown in Figure 6. Figure 11

[0039] 1, external rack; 2, built-in U table; 3, closed-loop transmission mechanism; 4, reciprocating bearing mechanism; 5, base material input mechanism; 6, single-sided film covering mechanism; 7, additional film covering mechanism; 31, closed-loop link member; 32, traction clamping piece; 41, front end traction strip; 42, rear end traction strip; 43, columnar traction strip; 44, single-wire chain; 45, separation bearing table; 46, tail-mounted blocking rack; 51, input top rack; 52, input material frame; 61, side-mounted top rack; 62, separation unwinding wheel one; 63, opposite pressing roller one; 64, oblique rack; 65, output compression roller; 66, attached roller; 67, liquid conveying pipe; 68, U-shaped knife holder; 71, bottom-mounted output roller rack; 72, opposite pressing roller two; 73, separation unwinding wheel two; 74, oblique blade. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the specification of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0041] Please refer to the drawings in the specification of the present application Figure 1 - the drawings in the specification of the present application Figure 3 ​​​The embodiment of the application provides a kind of FPC flexible plate automatic laminating device, including: external rack 1, for the fixation of FPC flexible plate automatic laminating device structure, built-in U table 2 is located on external rack 1, for forming the guiding bearing structure of U type, built-in U table 2 is the elliptical structure of top opening, to form the bearing structure of bottom U type, built-in U table 2 is fixed in the bottom of external rack 1, and guiding inclined plate structure is arranged at the position close to output direction of built-in U table 2, closed-loop transmission mechanism 3 is embedded in external rack 1, reciprocating bearing mechanism 4 is multiple, and is equidistantly distributed on closed-loop transmission mechanism 3, base material input mechanism 5 is fixed in the input area of the top of external rack 1, single-sided laminating mechanism 6 is arranged in the area adjacent to base material input mechanism 5 on the top of external rack 1, additional laminating mechanism 7 is arranged in the output area of the bottom of built-in U table 2, the device is mainly aimed at the double-sided laminating operation of the flexible substrate of FPC, and the overall equipment structure is fixedly assembled through external rack 1, and the built-in U table 2 in external rack 1 forms the guiding space of reciprocating operation, the top of built-in U table 2 is open structure, and the bottom is blocking structure, and the two sides are curved guiding structure, the closed-loop transmission mechanism 3 additionally installed in external rack 1 can form the reciprocating traction structure of closed loop, to drag multiple reciprocating bearing mechanisms 4 to reciprocate in external rack 1, and multiple reciprocating bearing mechanisms 4 can deform along the transmission track of closed-loop transmission mechanism 3, while, can carry multiple FPC flexible substrates and be dragged to transport, when a group of reciprocating bearing mechanisms 4 is dragged to the bottom of base material input mechanism 5 through closed-loop transmission mechanism 3, the flexible substrate of FPC can be input to reciprocating bearing mechanism 4 along base material input mechanism 5, and the next group of reciprocating bearing mechanisms 4 is displaced to reach the bottom of base material input mechanism 5, then continue to receive the FPC flexible substrate input by base material input mechanism 5, and the last group of reciprocating bearing mechanisms 4 enters single-sided laminating mechanism 6, and the top surface laminating of single-sided laminating mechanism 6 is continuously discharged, after preliminary windowing operation, additional liquid coating is carried out, when reciprocating bearing mechanism 4 carrying FPC flexible substrate continuously displaces and passes through single-sided laminating mechanism 6, the first end of laminating is synchronously contacted, the first end is pasted, and laminating is completely pressed and pasted on the top surface of FPC flexible substrate, until the tail of the group of reciprocating bearing mechanisms 4 reaches, the cutting structure of single-sided laminating mechanism 6 is triggered to operate, to cut off laminating, and wait for the arrival of the next group of reciprocating bearing mechanisms 4, and the reciprocating bearing mechanism 4 that completes single-sided FPC flexible substrate laminating is displaced into built-in U table 2 along closed-loop transmission mechanism 3, and is in upside-down state, FPC flexible substrate is pushed by reciprocating bearing mechanism 4, and is carried by inner wall of built-in U table 2, until reaching the guide inclined plate of built-in U table 2, the first end of FPC flexible substrate is output along the guide inclined plate, and contacts additional laminating mechanism 7 additionally installed on built-in U table 2, FPC flexible substrate is output along guide inclined plate, and the side not laminated contacts additional laminating mechanism 7,And the additional film mechanism 7 continues to deliver the film after the window is opened, and then it is guided to adhere to the other side of the FPC flexible substrate, until the tail of the reciprocating carrying mechanism 4 after turning reaches the additional film mechanism 7, which will drive the cutting structure of the additional film mechanism 7 to operate and cut the film, and the FPC flexible substrate with double-sided film is discharged along the guide inclined plate of the built-in U table 2, and so on. A plurality of reciprocating carrying mechanisms 4 can simultaneously and automatically complete the film coating of a large number of FPCs. The device realizes the double-sided high-efficiency film coating of the FPC flexible substrate through the cooperative layout of the external rack 1 and the built-in U table 2, the driving of the plurality of reciprocating carrying mechanisms 4 by the closed-loop transmission mechanism 3, and the linkage of the base material input and film processing mechanism. The closed-loop link member 31 of the closed-loop transmission mechanism 3 forms a closed-loop track through the external rack 1. The closed-loop transmission mechanism 3 deforms the chain links to adapt to the curved path of the built-in U table 2, ensuring the stability of the carrying mechanism circulation.

[0042] Please refer to the attached Figure 1 -attached Figure 7 The closed-loop transmission mechanism 3 is located on the external rack 1 and is used to provide reciprocating traction force for the film coating of the FPC. The closed-loop transmission mechanism 3 includes a closed-loop link member 31, which is distributed relative to the traction in the external rack 1 and is embedded in the built-in U table 2. The traction clamping piece 32 is distributed on each chain link of the closed-loop link member 31. The closed-loop link member 31 deforms in the curved guide structure of the built-in U table 2 in cooperation with the traction clamping piece 32, and drives the reciprocating carrying mechanism 4 to turn up and down in the U-shaped space.

[0043] Please refer to the attached Figure 1 -attached Figure 7, reciprocating bearing mechanism 4 is located on the closed loop transmission mechanism 3, cooperate with traction card 32 for batch carrying and conveying FPC base material, reciprocating bearing mechanism 4 includes front end traction strip 41 and rear end traction strip 42, front end traction strip 41 and rear end traction strip 42 are embedded through the traction card 32 of the closed loop link member 31 on both sides of the embedded shaft structure, and the front end traction strip 41 and the rear end traction strip 42 are distributed with the column traction strip 43, and are combined and linked through the single wire chain 44 of mutual traction, and the separation bearing table 45 is distributed on the column traction strip 43, so as to form the parallel distribution of FPC bearing area, the outside of the rear end traction strip 42 rotates the tail blocking frame 46, and the tail blocking frame 46 is connected with the rear end traction strip 42 through the snap spring structure, a plurality of reciprocating bearing mechanisms 4 are embedded in the traction card 32 through the front end traction strip 41 and the rear end traction strip 42, so as to realize equidistant circular movement, and a plurality of column traction strips 43 are spliced between the front end traction strip 41 and the rear end traction strip 42, and are connected with each other through the single wire chain 44, so as to form the deformable chain type bearing traction structure with the flexible material of FPC, when any one of the reciprocating bearing mechanisms 4 moves to the lower part of the base material input mechanism 5 on the top of the external rack 1, the input frame 52 of the base material input mechanism 5 is suspended above the external rack 1 through the input top frame 51, and the FPC flexible base material to be processed is released in batches on the separation bearing table 45, so as to form the multi-column parallel distribution of the load state, the separation bearing table 45, the multi-column design supports batch processing, improves the efficiency, synchronously triggers the next input, after the current group of bearing mechanisms completes the base material loading, the closed loop transmission mechanism 3 immediately drags the next group of reciprocating bearing mechanisms 4 into the lower part of the base material input mechanism 5, so as to realize continuous feeding.

[0044] Please refer to the attached drawings Figure 1 -attached drawings Figure 7 , the base material input mechanism 5 is located on the external rack 1, and is used for batch inputting FPC base material to be coated in cooperation with the separation bearing table 45, the base material input mechanism 5 includes the input top frame 51, the input top frame 51 is fixed on one side of the top of the external rack 1, the input frame 52 is distributed in the input top frame 51, the input frame 52 of the base material input mechanism 5 is suspended above the external rack 1 through the input top frame 51, and the FPC flexible base material to be processed is released in batches on the separation bearing table 45, so as to form the multi-column parallel distribution of the load state, the separation bearing table 45, the multi-column design supports batch processing, improves the efficiency, synchronously triggers the next input, after the current group of bearing mechanisms completes the base material loading, the closed loop transmission mechanism 3 immediately drags the next group of reciprocating bearing mechanisms 4 into the lower part of the base material input mechanism 5, so as to realize continuous feeding.

[0045] Please refer to the attached drawings Figure 1 -attached drawings Figure 10The single-sided film covering mechanism 6 is located on the external rack 1, cooperates with the separation bearing table 45 and the tail blocking rack 46 to perform single-sided film covering operation on the FPC in conveying, and includes a side top rack 61 and an attaching output assembly. The side top rack 61 is provided with a separation unwinding wheel one 62 rotating on the side close to the base material input mechanism 5. The separation unwinding wheel one 62 comprises a plurality of sets of parallel distributed output disc structures. The side top rack 61 is internally embedded with upper and lower opposing impression opposing rollers one 63 rotating linearly in the side top rack 61 to receive the film output by the separation unwinding wheel one 62 and perform pressing and slotting. The attaching output assembly is arranged on the side of the side top rack 61 away from the separation unwinding wheel one 62. The attaching output assembly comprises an inclined rack 64 rotating on the side of the side top rack 61 away from the separation unwinding wheel one 62 and connected with the side top rack 61 through a snap spring. The inclined rack 64 is provided with an output compression roller 65 rotating on the outer side end. The inclined rack 64 is provided with a convex rack on the middle part and an adhering roller 66 rotating on the convex rack. The convex rack is internally fixed with a liquid delivery pipe 67. The liquid delivery pipe 67 is provided with a slot on the side opposite to the adhering roller 66 and drives the adhering roller 66 to be embedded. The inclined rack 64 is provided with a U-shaped cutter holder 68 rotating on the outer side end and in the inner side direction of the output compression roller 65. The U-shaped cutter holder 68 is provided with a snap spring structure on the rotating shaft. The curved end of the U-shaped cutter holder 68 extends to the displacement track line of the tail blocking rack 46. The reciprocating bearing mechanism 4 loading the base material enters the processing area of the single-sided film covering mechanism 6. The separation unwinding wheel one 62 releases the film material. The film material is pressed and formed into a windowed specific pattern by the impression opposing rollers one 63. When the film material reaches the traction surface of the adhering roller 66, the adhering roller 66 is driven along the surface of the adhering roller 66. The liquid delivery pipe 67 continuously delivers the adhering liquid. The adhering liquid is uniformly conducted to the adhering surface of the film material under the action of rotation. The film material not coated with the adhering liquid is finally conducted to the output compression roller 65. When the FPC base material moves to the attaching output assembly with the separation bearing table 45, the output compression roller 65 on the inclined rack 64 tightly presses the pre-processed film first end on the top surface of the FPC. The adhering roller 66 further penetrates the adhering liquid by rotation to ensure that the film is tightly bonded with the base material. When the tail blocking rack 46 moves to the film end with the bearing mechanism, the curved part of the U-shaped cutter holder 68 is pushed and triggered to drive it to swing and cut the film, completing the single-sided adhesion. The tail blocking rack 46 is also slightly rotated under the action of the pushing trigger and passes through the curved part of the U-shaped cutter holder 68 which is simultaneously triggered to be separated. The two are reset under the snap spring structure added on the rotating end to complete the reset. The FPC base material with the top surface film enters the U-shaped channel of the built-in U table 2 with the reciprocating bearing mechanism 4.

[0046] Please refer to the attached drawings Figure 1 -attached drawings Figure 12, the additional film coating mechanism 7 is located on the built-in U table 2, cooperates with the guide inclined plate of the built-in U table 2 to perform film coating operation on the other side of the FPC, the additional film coating mechanism 7 includes a bottom output roller frame 71, a printing opposite roller two 72 and a separate unwinding wheel two 73, the bottom output roller frame 71 is fixed on the built-in U table 2 and located on the inclined top surface of the guide inclined plate structure, the printing opposite roller two 72 is arranged in a downward column form on the built-in U table 2, the separate unwinding wheel two 73 is arranged on one side of the bottom of the built-in U table 2 close to the base material input mechanism 5, the top of the bottom output roller frame 71 is embedded with an obliquely arranged inclined blade 74 which slides, and a snap spring is connected between the sliding end of the inclined blade 74 and the inner wall of the bottom output roller frame 71, and the top end extends to the displacement track line of the tail blocking frame 46, the closed loop link member 31 deforms in the curved guide structure of the built-in U table 2, drives the reciprocating carrying mechanism 4 to flip up and down in the U-shaped space, and in the flipping process, the blocking structure at the bottom of the built-in U table 2 supports the FPC base material to avoid slipping, and the uncoated surface of the FPC after flipping faces upward, slides into the processing area of the additional film coating mechanism 7 through the guide inclined plate of the built-in U table 2, the film material released by the separate unwinding wheel two 73 is processed by the printing opposite roller two 72 to open the window, and then is dynamically cut by the inclined blade 74 of the bottom output roller frame 71 to synchronously complete the bottom surface pasting, the FPC base material after double-sided film coating slides out along the guide inclined plate of the built-in U table 2 and enters the downstream process, the equipment realizes efficient production through the cyclic operation of multiple reciprocating carrying mechanisms 4, and at any moment, multiple carrying mechanisms are respectively in the base material input, top surface film coating, flipping and bottom surface film coating stages, forming a continuous assembly line operation, the cooperation of the tail blocking frame 46 and the snap spring structure and the elastic sliding design of the inclined blade 74 ensure that the film cutting action and the displacement of the carrying mechanism are accurately synchronized, avoid material waste or processing interruption, the synchronous tension control of the printing opposite roller one 63 and the printing opposite roller two 72 and the separate unwinding wheel one 62 and the separate unwinding wheel two 73 ensures the film flatness, the U-shaped knife holder 68 and the inclined blade 74 realize dynamic cutting, and the downtime is reduced.

[0047] Working principle: the device through the external rack 1 and the built-in U table 2 collaborative layout, closed loop transmission mechanism 3 drive multiple sets of reciprocating bearing mechanism 4, and the base material input, film processing mechanism linkage, realize FPC flexible base material double-sided efficient film, closed loop transmission mechanism 3 closed loop link member 31 through the external rack 1 form closed loop track, closed loop transmission mechanism 3, through the chain deformation adapt to the built-in U table 2 bending path, ensure the stability of bearing mechanism circulation, multiple sets of reciprocating bearing mechanism 4 through the front end traction strip 41 and rear end traction strip 42 embedded traction clamping piece 32, realize equidistant circulation, and the front end traction strip 41 and rear end traction strip 42 between splice multiple sets of column traction strip 43, and utilize single line chain 44 is connected with each other, to cooperate with FPC flexible material form the chain type bearing traction structure, when any one group of reciprocating bearing mechanism 4 moves to the top of the external rack 1 base material input mechanism 5 below, base material input mechanism 5 into the frame 52 through the input top rack 51 suspended in the upper part of the external rack 1, and the FPC flexible base material batch release to the separation bearing table 45 below, form multiple column parallel distribution of load state, separation bearing table 45, multiple column design support batch processing, improve efficiency, synchronous trigger next group input, the current group of bearing mechanism complete base material loading, closed loop transmission mechanism 3 immediately drag the next group of reciprocating bearing mechanism 4 into the base material input mechanism 5 below, realize continuous feeding, load base material reciprocating bearing mechanism 4 into single side film coating mechanism 6 processing area, separation release wheel 62 release film material, through the impression of opposite roller 63 pressure, form window specific pattern, along with the film material reaches the traction surface of the attachment roller 66, along the surface of the attachment roller 66 traction transmission, drive the attachment roller 66, while the infusion tube 67 inside continuously transport the attachment liquid, along the infusion tube 67 opening into the attachment roller 66, will be under the action of rotation, the attachment liquid evenly conducted to the attachment surface of the film material, while the film material not coated with the attachment liquid side is finally conducted to the output pressure roller 65, when the FPC base material moves to the attached output assembly along with the separation bearing table 45, the output pressure roller 65 on the inclined rack 64 will the pretreatment film first end tightly pressed on the FPC top surface, the attachment roller 66 through the rotation makes the attachment liquid further penetrate, ensure the film and the base material closely bonded, when the tail blocking rack 46 moves to the film end along with the bearing mechanism, push the trigger U type knife holder 68 bending part, drive it to swing and cut the film, complete single side attachment, while the tail blocking rack 46 also in the action of push trigger, slightly rotate, and pass through the bending part of the trigger U type knife holder 68, both also in the self rotating end of the added spring structure complete reset, complete the FPC base material top film into the built-in U table 2 U type channel along with the reciprocating bearing mechanism 4, the closed loop link member 31 in the built-in U table 2 bending guide structure deformation, drive the reciprocating bearing mechanism 4 in the U type space up and down flip, in the process of flip, the blocking structure of the built-in U table 2 bottom support FPC base material, avoid slip, the FPC non film surface after flip up,The film material released by the separated roll-off wheel two 73 is processed by the windowing of the impression counter roller two 72, and then is dynamically cut by the obliquely placed blade 74 of the bottom output roller holder 71, and the bottom surface is simultaneously pasted. The FPC substrate after double-sided film coating slides out along the guide inclined plate of the built-in U table 2, enters the downstream process, and the equipment realizes efficient production through the circulation of multiple groups of reciprocating bearing mechanisms 4. At any moment, multiple groups of bearing mechanisms are respectively in the substrate input, top film coating, turning and bottom film coating stages, forming a continuous assembly line operation. The cooperation of the tail blocking frame 46 and the clamping spring structure, and the elastic sliding design of the obliquely placed blade 74 ensure that the film cutting action and the bearing mechanism displacement are accurately synchronized, avoiding material waste or processing interruption. The synchronous tension control of the impression counter roller one 63 and the impression counter roller two 72 and the separated roll-off wheel one 62 and the separated roll-off wheel two 73 ensures the flatness of the film. The U-shaped knife holder 68 and the obliquely placed blade 74 realize dynamic cutting, reducing downtime.

[0048] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic laminating device for FPC flexible panels, characterized in that, include: External frame (1) is used to fix the structure of the automatic lamination device for FPC flexible board; The built-in U-shaped platform (2) is located on the external rack (1) and is used to form a U-shaped guide bearing structure; The closed-loop drive mechanism (3) is located on the external frame (1) and is used to provide a closed-loop reciprocating traction force for the film conveying of the FPC; The reciprocating bearing mechanism (4) is located on the closed-loop transmission mechanism (3) and works with the traction card (32) to carry and transport FPC base material in batches; The base material input mechanism (5) is located on the external frame (1) and works with the partition bearing platform (45) to input the FPC base material to be coated in batches; The single-sided laminating mechanism (6) is located on the external frame (1) and works with the partition carrier (45) and the tail barrier (46) to perform single-sided laminating on the FPC being transported. The additional laminating mechanism (7) is located on the built-in U-stage (2) and works with the guide ramp of the built-in U-stage (2) to perform laminating operations on the other side of the FPC.

2. The automatic laminating device for FPC flexible panels according to claim 1, characterized in that, The built-in U-shaped platform (2) is an elliptical structure with an open top to form a U-shaped load-bearing structure at the bottom. The built-in U-shaped platform (2) is fixed at the bottom of the external frame (1), and the guide inclined plate structure is set at the position of the built-in U-shaped platform (2) near the output direction. The closed-loop transmission mechanism (3) is embedded in the external frame (1). The reciprocating load-bearing mechanism (4) consists of multiple sets and is equidistantly distributed on the closed-loop transmission mechanism (3). The base material input mechanism (5) is fixed in the input area at the top of the external frame (1). The single-sided coating mechanism (6) is set in the area of ​​the top of the external frame (1) adjacent to the base material input mechanism (5). The additional coating mechanism (7) is set in the output area at the bottom of the built-in U-shaped platform (2).

3. The automatic laminating device for FPC flexible panels according to claim 1, characterized in that, The closed-loop transmission mechanism (3) includes a closed-loop link component (31), which is relatively distributed and pulled in the external frame (1) and embedded in the built-in U-shaped platform (2). The traction card (32) is distributed on each link of the closed-loop link component (31).

4. The automatic laminating device for FPC flexible panels according to claim 1, characterized in that, The reciprocating bearing mechanism (4) includes a front traction bar (41) and a rear traction bar (42). The front traction bar (41) and the rear traction bar (42) are fitted together by the traction card (32) of the closed-loop link component (31) through the embedded shaft structure on both sides. A row of traction bars (43) is distributed between the front traction bar (41) and the rear traction bar (42) and is connected by a single-line chain (44) that pulls each other. The partition bearing platform (45) is distributed on the row of traction bars (43) to form a parallel FPC bearing area.

5. The automatic laminating device for FPC flexible panels according to claim 1, characterized in that, The base material input mechanism (5) includes an input top frame (51), which is fixed on one side of the top of the external frame (1), and the input top frame (51) is provided with feeding frames (52) distributed inside.

6. The automatic laminating device for FPC flexible panels according to claim 1, characterized in that, The single-sided coating mechanism (6) includes a side-mounted top frame (61) and an attachment output assembly. The top of the side-mounted top frame (61) has a rotating dividing unwinding roller (62) on the side near the base material input mechanism (5). The dividing unwinding roller (62) includes multiple sets of output disc structures arranged in parallel. The side-mounted top frame (61) has a rotating, vertically opposed imprinting roller (63) embedded inside, which is linearly distributed in the side-mounted top frame (61) to receive the coating output by the dividing unwinding roller (62) and perform pressing and grooving. The attachment output assembly is distributed in the side of the side-mounted top frame (61) away from the dividing unwinding roller (62).

7. The automatic laminating device for FPC flexible panels according to claim 1, characterized in that, The additional coating mechanism (7) includes a bottom output roller frame (71), an impression opposing roller (72), and a separator unwinding roller (73). The bottom output roller frame (71) is fixed on the built-in U-shaped platform (2) and located on the inclined top surface of the guide inclined plate structure. The impression opposing roller (72) is arranged in an up-down row on the built-in U-shaped platform (2). The separator unwinding roller (73) is located on the bottom of the built-in U-shaped platform (2) near the base material input mechanism (5). The bottom output roller frame (71) has a sliding inclined blade (74) embedded in its top. The sliding end of the inclined blade (74) is connected to the inner wall of the bottom output roller frame (71) by a retaining spring. At the same time, the top end extends to the displacement trajectory line of the tail stop frame (46).

8. The automatic laminating device for FPC flexible panels according to claim 4, characterized in that, The rear traction bar (42) has a tail-mounted stop (46) rotating on its outer side, and a snap ring structure connects the tail-mounted stop (46) and the rear traction bar (42).

9. An automatic laminating device for FPC flexible panels according to claim 6, characterized in that, The attachment output assembly includes an inclined frame (64), which rotates on the side of the side top frame (61) away from the separating unwinding wheel (62), and the rotating shaft is connected to the side top frame (61) by a retaining spring. An output pressure roller (65) rotates on the outer end of the inclined frame (64). An outward protrusion is provided in the middle of the inclined frame (64), and an attachment roller (66) rotates thereon. An infusion tube (67) is fixed inside the protrusion of the inclined frame (64), and a slot is provided on the side of the attachment roller (66) opposite to the infusion tube (67), which drives the attachment roller (66) to fit and embed.

10. An automatic laminating device for FPC flexible panels according to claim 9, characterized in that, The inclined frame (64) has a U-shaped tool holder (68) rotating on its outer end and inside the output pressure roller (65). The U-shaped tool holder (68) has a retaining spring structure on its rotating shaft. The bent end of the U-shaped tool holder (68) extends to the displacement trajectory line of the tail stop frame (46).

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