Tape winding press device

Abstract

The application provides a tape type pressing device for pressing flexible circuit boards, comprising an upper pressing die plate, a lower pressing die plate and a lifting structure; the upper pressing die plate is fixed above the lower pressing die plate, and the lower pressing die plate is connected with the lifting structure; wherein the upper pressing die plate comprises a rubber plate fixing plate, a rubber fixing plate, a vacuum air bag and a sealing ring; the vacuum air bag is connected to the surface of the rubber fixing plate which is not in contact with the rubber plate fixing plate, the lower surface of the rubber plate fixing plate is provided with a closed groove body, the shape of the closed groove body is matched with the sealing ring, and the sealing ring is embedded in the closed groove body; the lower pressing die plate comprises a lower hot disc, a soldering iron plate and a plurality of pads; the soldering iron plate is arranged on the upper surface of the lower hot disc, and the plurality of pads are arranged on the peripheral surface of the lower hot disc, wherein the area of the lower hot disc is greater than the area of the soldering iron plate.

Description

TECHNICAL FIELD

[0001] The present application relates to a flexible circuit board pressing technology, in particular to a reel-to-reel pressing equipment. BACKGROUND

[0002] In the prior art, the reel-to-reel FPC (flexible circuit board) pressing operation mode in the market adopts a hard steel plate to press a steel plate by hydraulic lifting. This scheme has very high requirements for the parallelism between the upper and lower mold plate surfaces and the flatness of the steel plate itself. When the hard steel plate is pressed against the steel plate, the surface of the steel plate is not absolutely parallel and horizontal, which causes the pressed workpiece to locally expand or deform after being pressed, and the surface of the consumable material to be seriously indented due to the pressure. Therefore, the product quality is affected, and the customer site needs to regularly correct the parallelism between the upper and lower mold plates and the flatness of the mold plates, which consumes a lot of time and seriously affects the equipment utilization rate. In addition, the hard steel plate structure is only suitable for pressing operation of planar workpieces without steps, and if the workpiece surface has steps, the hard steel plate will directly break or crack the workpiece. SUMMARY

[0003] The present application provides a reel-to-reel pressing equipment to solve the problem of indentation and deformation of the pressed reel workpiece surface due to pressure, and can press workpieces with steps.

[0004] The reel-to-reel pressing equipment provided by the present application is used for pressing a flexible circuit board, which comprises an upper pressing mold plate, a lower pressing mold plate and a lifting structure. The upper pressing mold plate is fixed above the lower pressing mold plate, and the lower pressing mold plate is arranged above the lifting structure.

[0005] The upper pressing mold plate comprises a rubber plate fixing plate, a rubber fixing plate, a vacuum air bag and a sealing ring. The rubber plate fixing plate and the rubber fixing plate are connected by a rubber plate fixing block. The vacuum air bag is connected to the surface of the rubber fixing plate that is not in contact with the rubber plate fixing plate. The lower surface of the rubber plate fixing plate is provided with a closed groove body, the shape of the closed groove body matches the sealing ring, and the sealing ring is embedded in the closed groove body.

[0006] The lower pressing mold plate comprises a lower hot plate, a soldering iron plate and a plurality of spacers. The soldering iron plate is arranged on the upper surface of the lower hot plate, and the plurality of spacers are arranged on the peripheral surface of the lower hot plate. The area of the lower hot plate is greater than the area of the soldering iron plate.

[0007] Optionally, the lower pressing mold plate further comprises a vacuum air guide channel arranged in the peripheral surface of the lower hot plate.

[0008] Optionally, the lifting structure comprises a servo motor, a lifting electric cylinder, a pressure sensing device and a pressure bearing plate.

[0009] The first end of the lifting cylinder is connected to the pressure bearing plate, the pressure bearing plate is arranged on the lower surface of the lower pressing mold plate, the pressure sensor device is arranged between the lifting cylinder and the pressure bearing plate, and the second end of the lifting cylinder is connected to the servo motor; the lifting cylinder receives the pressure transmitted by the pressure bearing plate through the pressure sensor device and transmits the pressure to the servo motor to drive the servo motor.

[0010] Optionally, the upper pressing mold plate further comprises a top plate, an upper heat insulation plate and an upper heating plate, and the upper heat insulation plate and the upper heating plate are arranged between the upper surface of the rubber plate fixing plate and the lower surface of the top plate.

[0011] Optionally, the lower pressing mold plate further comprises a lower heat insulation plate and a lower heating plate, and the lower heat insulation plate and the lower heating plate are arranged between the lower surface of the lower heat disc and the upper surface of the pressure bearing plate.

[0012] Optionally, the tape type pressing device further comprises a first side plate and a second side plate, the first side plate is arranged on the left side of the upper pressing mold plate and the lower pressing mold plate, and the second side plate is arranged on the right side of the upper pressing mold plate and the lower pressing mold plate.

[0013] Optionally, the tape type pressing device further comprises a cooling structure and a separation structure, the cooling structure is arranged on the left side of the first side plate and is used for cooling the flexible circuit board which is not pressed, and the separation structure is arranged on the right side of the second side plate and is used for separating the pressed flexible circuit board from the pressing consumables on the surface of the flexible circuit board.

[0014] Optionally, the area of the iron plate is greater than the area of the vacuum air bag.

[0015] Optionally, the area of the rubber plate fixing plate is greater than the area of the rubber fixing plate.

[0016] Optionally, the upper pressing mold plate further comprises an upper separation layer, and the upper separation layer is arranged on the lower surface of the vacuum air bag.

[0017] Optionally, the lower pressing mold plate further comprises a lower separation layer, and the lower separation layer is arranged on the upper surface of the iron plate.

[0018] The tape type compression equipment provided by the application realizes the compression operation of the flexible circuit board on the surface of the lower compression mold plate by adopting the soft landing structure of the upper compression mold plate in the compression process, avoids the quality problems such as indentation and deformation of the flexible circuit board surface in the compression operation process, and further reduces the compression indentation of the sealing ring on the product surface in the compression process.

[0019] In addition, the surface of the rubber plate fixing plate in the upper compression mold plate is designed with a sealing ring, the sealing effect in the mold cavity after the upper compression mold plate and the lower compression mold plate are combined can be realized, so that the vacuum degree in the mold cavity after the upper and lower molds are combined meets the standard and the problem of air pressure leakage does not occur after the vacuum operation; and the area of the lower hot plate in the lower compression mold plate is greater than the area of the plating iron plate, which avoids the problem that the four edges of the vacuum air bag are squeezed into the gap between the plating iron plate and the lower hot plate in the compression operation, causing the air bag to be damaged, and further increases the safety of the compression operation.

[0020] In the preferred embodiment, the pressure sensing device senses the increased pressure of the vacuum air bag in the upper compression mold plate output downward, and transmits the pressure data signal to the servo motor, so that the pressure of the upward advancing lifting cylinder is supplemented in time, further avoiding the problem that the upward jacking output of the lower compression mold plate is insufficient to support the downward pressing force of the upper compression mold plate, and the problems of no pressure preservation in the mold cavity and the edge of the vacuum air bag being squeezed out of the mold cavity; and the servo motor can realize the smooth operation and stroke accurate scale control of the lifting cylinder lifting the lower compression mold plate through high-precision data output, ensuring the accuracy and safety of the compression process. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0022] Figure 1 The structure diagram of the upper compression mold plate in the tape type compression equipment in an embodiment of the application;

[0023] Figure 2 The structure of the lower compression mold plate in the tape type compression equipment in an embodiment of the application Figure One ;

[0024] Figure 3 The structure of the lower compression mold plate in the tape type compression equipment in an embodiment of the applicationFigure Two ;

[0025] Figure 4 Structure of a lower pressing die plate in a roll-to-roll pressing apparatus according to an embodiment of the present invention Figure Three ;

[0026] Figure 5 Structure of a lower pressing die plate lifting structure in a roll-to-roll pressing apparatus according to an embodiment of the present invention Figure One ;

[0027] Figure 6 Structure of a lower pressing die plate lifting structure in a roll-to-roll pressing apparatus according to an embodiment of the present invention Figure Two ;

[0028] Figure 7 Structure of a lower pressing die plate lifting structure in a roll-to-roll pressing apparatus according to an embodiment of the present invention Figure Three ;

[0029] Figure 8 Structure of a lower pressing die plate in a roll-to-roll pressing apparatus according to an embodiment of the present invention

[0030] Figure 9 Structure of a first side plate in a roll-to-roll pressing apparatus according to an embodiment of the present invention

[0031] Figure 10 Structure of a cooling structure in a roll-to-roll pressing apparatus according to an embodiment of the present invention

[0032] Figure 11 Structure of a separation structure in a roll-to-roll pressing apparatus according to an embodiment of the present invention Figure One ;

[0033] Figure 12 Structure of a separation structure in a roll-to-roll pressing apparatus according to an embodiment of the present invention Figure Two .

[0034] BRIEF DESCRIPTION OF DRAWINGS

[0035] 1 - upper pressing die plate

[0036] 101 - rubber plate fixing plate

[0037] 102 - rubber fixing plate

[0038] 103 - vacuum bag

[0039] 104 - sealing ring

[0040] 2 - lower pressing die plate

[0041] 201 - tinned iron plate

[0042] 202 - lower hot plate

[0043] 203 - cushion block;

[0044] 204 - vacuum air guide channel;

[0045] 3 - lifting structure;

[0046] 301 - servo motor;

[0047] 302 - lifting cylinder;

[0048] 303 - pressure sensing device;

[0049] 4 - top plate;

[0050] 5 - upper heat insulation plate;

[0051] 6 - upper heating plate;

[0052] 7 - lower heating plate;

[0053] 8 - lower heat insulation plate;

[0054] 9 - pressure bearing plate;

[0055] 10 - first side plate;

[0056] 11 - second side plate;

[0057] 12 - cooling structure;

[0058] 13 - separation structure. DETAILED DESCRIPTION

[0059] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments 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 of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0060] In the description of the present application, it should be understood that the terms “upper”, “lower”, “upper end”, “lower end”, “lower surface”, “upper surface” and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0061] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can be explicitly or implicitly included one or more of the features.

[0062] In the description of the present application, the meaning of "a plurality of" is a plurality, for example, two, three, four, etc., unless otherwise explicitly specified and limited.

[0063] In the description of the present application, unless otherwise explicitly specified and limited, the term "connection" and other terms should be broadly understood, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0064] The technical solutions of the present application will be described in detail below with specific examples. The following specific examples can be combined with each other, and the same or similar concepts or processes can not be described in some examples.

[0065] In the prior art, during the pressing operation, the edges of the upper and lower pressing mold plates are made of hard material, which causes the surface of the flexible circuit board near the left and right ends of the upper and lower pressing mold plates to be pressed during the pressing operation, resulting in poor product quality.

[0066] In addition, in the prior art, the template jacking system of the tape type pressing equipment adopts hydraulic push piston up-down action for pressing and pressure maintaining, which causes the oil cylinder piston and the sealing ring to deviate and wear due to the deviation of the perpendicularity and concentricity during the up-down pressing action, thereby causing damage and oil leakage, affecting the efficiency and utilization rate of the pressing operation.

[0067] Therefore, the present application proposes a new tape type pressing equipment, which solves the problems of indentation on the surface of the pressed workpiece caused by pressing and deviation and wear of the oil cylinder piston and the sealing ring, thereby causing damage and oil leakage, by setting a vacuum air bag and a cushion block.

[0068] The technical solutions of the present application are described as follows:

[0069] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 8The application provides a tape type compression equipment for compression of a flexible circuit board, comprising an upper compression mold plate 1, a lower compression mold plate and a lifting structure; the upper compression mold plate 1 is fixed above the lower compression mold plate, and the lower compression mold plate is arranged above the lifting structure;

[0070] The upper compression mold plate 1 comprises a rubber plate fixing plate 101, a rubber fixing plate 102, a vacuum air bag 103 and a sealing ring 104; the rubber plate fixing plate 101 is connected with the rubber fixing plate 102 through a rubber plate fixing block, the vacuum air bag is connected to the surface of the rubber fixing plate 102 which is not in contact with the rubber plate fixing plate 101, and a closed groove is arranged on the lower surface of the rubber plate fixing plate 101, the closed groove is matched with the sealing ring 104 in shape, and the sealing ring 104 is embedded in the closed groove.

[0071] The lower compression mold plate comprises a lower hot plate 202, a platen 201 and a plurality of cushion blocks 203; the platen 201 is arranged on the upper surface of the lower hot plate 202, and the plurality of cushion blocks 203 are arranged on the circumferential surface of the lower hot plate 202, wherein the area of the lower hot plate 202 is greater than that of the platen 201.

[0072] In specific embodiments, the rubber plate fixing plate 101 comprises a 45 steel plate, the rubber fixing plate 102 comprises a 6061 aluminum material, the vacuum air bag 103 comprises a silicon rubber air bag, and the lower hot plate 202 comprises a 45 steel plate.

[0073] Of course, the application is not limited to this, and other forms of the upper compression mold plate and the lower compression mold plate which can ensure the quality of the compression product are also within the protection scope of the application.

[0074] In one embodiment, the area of the platen is greater than that of the vacuum air bag.

[0075] In another embodiment, the area of the rubber plate fixing plate 101 is greater than that of the rubber fixing plate 102, and the rubber plate fixing plate is provided with an avoiding space for wrapping the vacuum air bag and the rubber fixing plate.

[0076] The cushion blocks are used for cushioning the space of the mold cavity when the upper compression mold plate and the lower compression mold plate are combined, so that a certain gap is formed between the two mold plates to ensure the arrangement of the sealing ring of the upper compression mold plate and the lower compression mold plate, and ensure that the plane of the periphery of the product is moderately close.

[0077] In the above scheme, by arranging the vacuum air bag in the structure of the upper pressing die plate, the upper pressing die plate can adopt the soft landing structure to perform the pressing operation between the flexible circuit boards on the surface of the lower die plate, avoiding the deformation and indentation of the flexible circuit boards at the left and right ends of the pressing die plate during the pressing operation; and a plurality of pads are arranged on the surface of the lower pressing die plate, and the pressing is realized by stacking the protrusions, further reducing the pressing force of the sealing ring on the surface of the upper die plate on the flexible circuit board.

[0078] In addition, the surface of the rubber plate fixing plate in the upper pressing die plate of the present application is designed with a sealing ring, which can realize the sealing effect in the mold cavity after the upper pressing die plate and the lower pressing die plate are combined, so that the vacuum degree in the mold cavity after the upper and lower molds are combined meets the standard and the problem of air pressure leakage does not occur; and the area of the lower hot plate in the lower pressing die plate is greater than the area of the platen, avoiding the problem that the four edges of the vacuum air bag are squeezed into the gap between the platen and the lower hot plate during the pressing operation, causing damage to the air bag, further increasing the safety of the pressing operation.

[0079] In a preferred embodiment, please refer to Figure 4 , the lower pressing die plate 2 further comprises a vacuum air guide channel 204 arranged in the circumferential surface of the lower hot plate 202.

[0080] In a specific embodiment, the vacuum air guide channel 204 is used for vacuumizing the mold cavity after the upper pressing die plate and the lower pressing die plate are combined, ensuring that the vacuum degree in the mold cavity meets the standard, thereby ensuring the pressing effect.

[0081] Regarding the lifting structure, please refer to Figures 5-8 , the lifting structure 3 comprises a servo motor 301, a lifting cylinder 302, a pressure sensing device 303 and a pressure bearing plate 9;

[0082] The first end of the lifting cylinder 302 is connected to the pressure bearing plate 9, and the pressure bearing plate 9 is arranged on the lower surface of the lower pressing die plate; the pressure sensing device 303 is arranged between the lifting cylinder 302 and the pressure bearing plate 9; the second end of the lifting cylinder 302 is connected to the servo motor 301; the lifting cylinder 302 receives the pressure transmitted by the pressure bearing plate 9 through the pressure sensing device 303 and transmits it to the servo motor 301 to drive the servo motor 301.

[0083] In a specific embodiment, the pressure sensing device 303 is used for detecting the downward pressure of the vacuum air bag and transmitting data to the servo motor to control the lifting stroke of the lifting cylinder, thereby controlling the distance between the lower pressing die plate and the upper pressing die plate; specifically, the up-down stroke distance of the lifting cylinder can be accurately controlled and adjusted in real time according to the pressure of the vacuum air bag.

[0084] In a preferred embodiment, referring to Figure 8 , the tape type pressing device further comprises a top plate 4, an upper heat insulation plate 5, and an upper heating plate 6, a lower heat insulation plate 8, and a lower heating plate 7, the upper heat insulation plate 5 and the upper heating plate 6 are arranged between the upper surface of the rubber plate fixing plate and the lower surface of the top plate 4, and the lower heat insulation plate 8 and the lower heating plate 7 are arranged between the lower surface of the lower hot plate and the upper surface of the pressure bearing plate 9.

[0085] In an example, the upper heat insulation plate 5 and the lower heat insulation plate 8 comprise glass fiber plates or epoxy resin plates.

[0086] Of course, the present application is not limited thereto, and other materials capable of achieving heat insulation are within the scope of the present application.

[0087] In another preferred embodiment, referring to Figure 8 and Figure 9 , the tape type pressing device further comprises a first side plate 10 and a second side plate 11, the first side plate 10 is arranged on the left side of the upper pressing die plate 1 and the lower pressing die plate 2, and the second side plate 11 is arranged on the right side of the upper pressing die plate 1 and the lower pressing die plate 2.

[0088] In a specific embodiment, the tape runs from left to right during pressing to drive the transmission of the pressed product (i.e. flexible circuit board), and the first side plate and the second side plate are used to set the side plates of the left and right avoidance spaces to ensure the isolation of the pressed product and the unpressed product.

[0089] In other preferred embodiments, referring to Figure 10 , Figure 11 and Figure 12 , the tape type pressing device further comprises a cooling structure 12 and a separation structure 13, the cooling structure 12 is arranged on the left side of the first side plate and is used to cool the unpressed flexible circuit board, and the separation structure 13 is arranged on the right side of the second side plate and is used to separate the pressed flexible circuit board from the pressing consumables on the surface of the flexible circuit board.

[0090] In a specific embodiment, the cooling structure is used to cool and isolate the area of the unpressed product from the area of the pressed product in the die plate, preventing the premature oxidation or colloid denaturation of the surface of the unpressed product area due to the influence of high temperature in the die plate, and thus preventing the quality problem.

[0091] Since the product after high-temperature and high-pressure pressing by the template will be closely combined with the consumables, if not separated in time, it will cause the cooling shrinkage coefficient of the consumables to be too large to pull the FPC product (i.e. flexible circuit board) and make it deformed; therefore, the separation structure is used to separate the pressed product from the consumables in time after pressing.

[0092] In other embodiments, the upper pressing template further comprises an upper separation layer, and the upper separation layer is arranged on the lower surface of the vacuum bag; the lower pressing template further comprises a lower separation layer, and the lower separation layer is arranged on the upper surface of the iron plate.

[0093] In one example, the upper separation layer and the lower separation layer comprise PE film or TPX.

[0094] In a preferred embodiment, the pressure sensing device senses the increased pressure output by the vacuum bag in the upper pressing template downward, and transmits the pressure data signal to the servo motor, so as to compensate the upward pushing pressure of the lifting cylinder, further avoid the insufficient upward jacking output of the lower pressing template to support the downward pressing intensity of the upper pressing template, and the problems of no pressure maintaining in the mold cavity and the vacuum bag edge being extruded out of the mold cavity; and the servo motor can realize the smooth operation and stroke accurate scale control of the lifting cylinder lifting the lower pressing template through high-precision data output, so as to ensure the accuracy and safety of the pressing process.

[0095] In the description of the present specification, the description of the terms "one embodiment", "one example", "specific implementation process", "one example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0096] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A reel-to-reel press apparatus for pressing a flexible circuit board, characterized by, The utility model relates to a flexible circuit board pressing device, which comprises: an upper pressing die plate, a lower pressing die plate and a lifting structure; the upper pressing die plate is fixed above the lower pressing die plate, and the lower pressing die plate is arranged above the lifting structure; wherein the upper pressing die plate comprises a rubber plate fixing plate, a rubber fixing plate, a vacuum air bag and a sealing ring; the rubber plate fixing plate and the rubber fixing plate are connected through a rubber plate fixing block; the vacuum air bag is connected to the surface of the rubber fixing plate which is not in contact with the rubber plate fixing plate; a closed groove is arranged on the lower surface of the rubber plate fixing plate, the shape of the closed groove matches the sealing ring, and the sealing ring is embedded in the closed groove; the lower pressing die plate comprises a lower hot plate, a platen and a plurality of cushion blocks; the platen is arranged on the upper surface of the lower hot plate, and the plurality of cushion blocks are arranged on the peripheral surface of the lower hot plate, wherein the area of the lower hot plate is larger than the area of the platen; the lower pressing die plate further comprises a vacuum air guide channel, and the vacuum air guide channel is arranged in the peripheral surface of the lower hot plate; the lifting structure comprises a servo motor, a lifting cylinder, a pressure sensing device and a pressure receiving plate; wherein the first end of the lifting cylinder is connected to the pressure receiving plate, the pressure receiving plate is arranged on the lower surface of the lower pressing die plate, the pressure sensing device is arranged between the lifting cylinder and the pressure receiving plate, and the second end of the lifting cylinder is connected to the servo motor; the lifting cylinder receives the pressure transmitted by the pressure receiving plate through the pressure sensing device and transmits the pressure to the servo motor to drive the servo motor; the area of the rubber plate fixing plate is larger than the area of the rubber fixing plate.

2. The tape-pressing apparatus according to claim 1, wherein the utility model further comprises a top plate, an upper heat insulation plate and an upper heating plate, and the upper heat insulation plate and the upper heating plate are arranged between the upper surface of the rubber plate fixing plate and the lower surface of the top plate.

3. The tape-pressing apparatus according to claim 2, wherein the utility model further comprises a lower heat insulation plate and a lower heating plate, and the lower heat insulation plate and the lower heating plate are arranged between the lower surface of the lower hot plate and the upper surface of the pressure receiving plate.

4. The tape-pressing apparatus according to claim 3, wherein the utility model further comprises a first side plate and a second side plate, the first side plate is arranged on the left side of the upper pressing die plate and the lower pressing die plate, and the second side plate is arranged on the right side of the upper pressing die plate and the lower pressing die plate.

5. The tape-pressing apparatus according to claim 4, wherein the utility model further comprises a cooling structure and a separation structure, the cooling structure is arranged on the left side of the first side plate and is used for cooling the flexible circuit board which is not pressed; and the separation structure is arranged on the right side of the second side plate and is used for separating the flexible circuit board which is pressed and the pressing consumables on the surface of the flexible circuit board.

6. The tape-pressing apparatus according to claim 1, wherein the area of the platen is larger than the area of the vacuum air bag.

7. The tape-pressing apparatus according to claim 1, wherein the upper pressing die plate further comprises an upper separation layer, and the upper separation layer is arranged on the lower surface of the vacuum air bag.

8. The tape-pressing apparatus according to claim 1, wherein the lower pressing die plate further comprises a lower separation layer, and the lower separation layer is arranged on the upper surface of the platen.

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