A cutting system for flexible circuit boards

Abstract

A kind of cutting system of flexible circuit board, its post feed mechanism, post circular knife cutting mechanism, post trimming mechanism and post pressing mechanism are sequentially horizontally distributed in post rack;Post trimming table is used to receive conductive sheet and intermediate substrate;Primary conductive structure and secondary conductive structure form circuit diagram;Post pressing roller is used to receive and compress the conductive sheet and intermediate substrate output from post trimming table.This scheme provides a kind of cutting system of flexible circuit board, which first cuts primary conductive structure on conductive sheet through post circular knife roller by post circular knife cutting mechanism, then cuts secondary conductive structure on conductive sheet by trimming cutter assembly of post trimming mechanism, to form complete circuit diagram, which can realize single complex circuit structure processing, greatly save processing time, and fully utilize each conductive sheet, solve the problem of simple circuit structure, more cutting consumables and long processing time in prior art.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of flexible circuit board processing device, and particularly relates to a cutting system of flexible circuit board. BACKGROUND

[0002] The existing flexible circuit board is mainly cut by a circular knife roll of a circular knife die cutting device to cut the conductive sheet, so that a circuit structure with a specific structure is processed. Since the circular knife roll can only cut the conductive sheet to form a repeated structure, the cut circuit structure is single. After the conductive sheet is separated into the circuit structure, the conductive sheet cannot be reused, but a large area of the conductive sheet is not used, which leads to waste of the conductive sheet. SUMMARY

[0003] The purpose of the present application is to provide a cutting system of flexible circuit board. The cutting system cuts a conductive sheet by a rear circular knife cutting mechanism to cut a primary conductive structure from the conductive sheet, and then cuts a secondary conductive structure from the conductive sheet by a rear trimming mechanism to form a complete circuit diagram, so that a complex circuit structure can be processed at a time, and the processing time is greatly saved.

[0004] To achieve the purpose, the present application adopts the following technical scheme:

[0005] A cutting system of flexible circuit board comprises a rear rack, a rear material conveying mechanism, a rear circular knife cutting mechanism, a rear trimming mechanism and a rear pressing mechanism.

[0006] The rear material conveying mechanism, the rear circular knife cutting mechanism, the rear trimming mechanism and the rear pressing mechanism are horizontally arranged in the rear rack.

[0007] The rear material conveying mechanism comprises a rear conductive sheet conveying roll and a rear base material conveying roll.

[0008] The rear conductive sheet conveying roll and the rear base material conveying roll are rotatably installed on the rear rack. The rear conductive sheet conveying roll winds a conductive sheet of a circuit board. The rear base material conveying roll winds an intermediate base plate of the circuit board. The conductive sheet is attached to an upper surface of the intermediate base plate and is conveyed to the rear circular knife cutting mechanism.

[0009] The rear circular knife cutting mechanism comprises a rear circular knife roll and a rear circular knife auxiliary roll.

[0010] The rear circular knife roll and the rear circular knife auxiliary roll are rotatably installed on the rear rack. The rear circular knife roll is above the rear circular knife auxiliary roll. Rotation of the rear circular knife roll cuts a primary conductive structure from the conductive sheet on the upper surface of the intermediate base plate.

[0011] The post-trimming mechanism comprises a post-trimming table, a trimming cutter assembly and a cutter moving driving mechanism;

[0012] The upper surface of the post-trimming table is used for receiving the conductive sheet and the intermediate substrate; the output end of the cutter moving driving mechanism is connected to the trimming cutter assembly, for driving the trimming cutter assembly to move on the upper surface of the post-trimming table, and for driving the trimming cutter assembly to cut the secondary conductive structure from the conductive sheet on the upper surface of the intermediate substrate; the primary conductive structure and the secondary conductive structure form a circuit diagram;

[0013] The post-pressing mechanism comprises post-pressing rollers and a post-waste material winding roller;

[0014] The post-trimming table, the post-pressing rollers and the post-waste material winding roller are horizontally distributed in sequence;

[0015] The two post-pressing rollers are arranged in close proximity, and the post-pressing rollers are used for receiving and pressing the conductive sheet and the intermediate substrate output from the post-trimming table; the rotation of the post-waste material winding roller winds the conductive sheet cut out of the circuit diagram.

[0016] Preferably, the middle part of the post-trimming table is provided with a hollow substrate passing channel;

[0017] The post-trimming mechanism comprises a bottom plate winding roller;

[0018] The bottom plate winding roller winds a bottom substrate of a circuit board; the bottom substrate is unwound to pass through the substrate passing channel, and the post-pressing rollers are used for receiving and pressing the conductive sheet, the intermediate substrate and the bottom substrate output from the post-trimming table.

[0019] More preferably, the post-trimming mechanism comprises a glue spreading device and glue spreading rollers;

[0020] The glue spreading device and the glue spreading rollers are installed on the substrate passing channel; a plurality of the glue spreading rollers are rollably distributed along the length direction of the substrate passing channel and contact the upper and lower surfaces of the bottom substrate; the glue spreading device is located above the bottom substrate and is used for outputting an adhesive to the upper surface of the bottom substrate.

[0021] Further preferably, a heat-conducting interlayer is arranged between the outer side wall and the middle part of the post-pressing roller; the heat-conducting interlayer is provided with a heating medium.

[0022] Preferably, the trimming cutter assembly comprises a trimming base, a cutting fixed cutter, a cutting moving cutter and a cutting moving driver;

[0023] The output end of the cutter moving driving mechanism is connected to the trimming base; the cutting fixed cutter is installed on the trimming base; the cutting moving cutter is movably installed on the trimming base; the cutting fixed cutter and the cutting moving cutter are arranged in parallel; the output end of the cutting moving driver is connected to the cutting moving cutter, for driving the cutting moving cutter to move, so as to adjust the cutter distance between the cutting fixed cutter and the cutting moving cutter.

[0024] More preferably, the trimming cutter assembly comprises: a rear trimming frame, a rear trimming cutter and a rear rotating driver;

[0025] The output end of the cutter moving driving mechanism is connected to the rear trimming frame; the trimming base is rotatably installed on the rear trimming frame around the A axis; the cutting fixed cutter and the cutting moving cutter are respectively installed on one side of the trimming base, and the rear trimming cutter is installed on the other side of the trimming base; the horizontal plane where the rear trimming cutter is located is perpendicular to the horizontal plane where the cutting fixed cutter is located; the output end of the rear rotating driver is connected to the trimming base, for driving the trimming base to rotate around the A axis, so as to switch different sides of the trimming base to face the upper surface of the rear trimming table.

[0026] Further preferably, the cutter moving driving mechanism comprises: a moving frame, an X-axis moving driving assembly, a Y-axis moving driving assembly and a Z-axis driving assembly;

[0027] The moving frame is arranged above the rear trimming table; the output end of the Z-axis driving assembly is connected to the trimming cutter assembly, for driving the trimming cutter assembly to move along the Z axis, so that the trimming cutter assembly is lifted to approach or move away from the rear trimming table;

[0028] The X-axis moving driving assembly is installed on the moving frame, the output end of the X-axis moving driving assembly is connected to the Z-axis driving assembly, for driving the Z-axis driving assembly to move along the X axis, so that the trimming cutter assembly moves between the two sides of the rear trimming table; the output end of the Y-axis moving driving assembly is connected to the moving frame, for driving the moving frame to move along the Y axis, so that the moving frame moves along the length direction of the rear trimming table.

[0029] Preferably, the trimming cutter assembly comprises: an industrial camera device;

[0030] The upper and lower surfaces of the trimming base are respectively provided with identification openings; the industrial camera device is installed on the identification openings;

[0031] The industrial camera device is communicatively connected to the rear rotating driver and the cutter moving driving mechanism.

[0032] Preferably, the post-positioned pressing mechanism comprises a post-positioned protection material conveying roller;

[0033] The post-positioned protection material conveying roller winds a protection film of the circuit board, and the post-positioned protection material conveying roller unwinds the protection film to adhere to the upper surface of the conductive sheet.

[0034] Preferably, the system further comprises a front-positioned rack, a front-positioned material conveying mechanism, a front-positioned circular knife cutting mechanism and a front-positioned waste material winding roller;

[0035] The front-positioned material conveying mechanism, the front-positioned circular knife cutting mechanism and the front-positioned waste material winding roller are sequentially and horizontally distributed on the front-positioned rack;

[0036] The front-positioned material conveying mechanism comprises a front-positioned conductive sheet material conveying roller and a front-positioned base material conveying roller;

[0037] The front-positioned conductive sheet material conveying roller and the front-positioned base material conveying roller are respectively rotatably installed on the front-positioned rack; the front-positioned conductive sheet material conveying roller winds a conductive sheet of the circuit board; the front-positioned base material conveying roller winds an intermediate base plate of the circuit board; the conductive sheet adheres to the upper surface of the intermediate base plate and is conveyed to the front-positioned circular knife cutting mechanism;

[0038] The front-positioned circular knife cutting mechanism comprises a front-positioned circular knife roller and a front-positioned circular knife auxiliary roller;

[0039] The front-positioned circular knife roller and the front-positioned circular knife auxiliary roller are respectively rotatably installed on the front-positioned rack, and the front-positioned circular knife roller is located above the front-positioned circular knife auxiliary roller; rotation of the front-positioned circular knife roller cuts a primary conductive structure from the conductive sheet on the upper surface of the intermediate base plate;

[0040] The front-positioned waste material winding roller is installed on the post-positioned rack and used to output the conductive sheet to one of the post-positioned conductive sheet material conveying rollers.

[0041] The technical scheme provided by the present application can include the following beneficial effects:

[0042] The present scheme provides a cutting system of a flexible circuit board, which cuts a primary conductive structure from a conductive sheet through a post-positioned circular knife roller and cuts a secondary conductive structure from the conductive sheet through a trimming knife assembly of a post-positioned trimming mechanism, so as to form a complete circuit diagram, which can realize single-time processing of a complex circuit structure, greatly saves processing time, and fully utilizes each segment of the conductive sheet, thereby solving the problems of simple circuit structure, high cutting material consumption and long processing time caused by the post-positioned circular knife roller in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0043] Figure 1 is a structural schematic diagram of one embodiment of the cutting system;

[0044] Figure 2 This is a cross-sectional schematic diagram of one embodiment of the cutting system;

[0045] Figure 3 This is a schematic diagram of one embodiment of the post-trimming mechanism;

[0046] Figure 4 This is a schematic diagram of the structure of one embodiment of the trimming knife assembly;

[0047] Figure 5 This is a structural schematic diagram of one embodiment of a flexible circuit board;

[0048] Figure 6 This is a structural schematic diagram of one embodiment of a flexible circuit board.

[0049] in:

[0050] Rear frame 1, rear material conveying mechanism 2, rear circular knife cutting mechanism 3, rear trimming mechanism 4, rear pressing mechanism 5; front frame 6, front material conveying mechanism 7, front circular knife cutting mechanism 8, front waste material take-up roller 9.

[0051] Rear-mounted sheet material transfer roller 21, rear-mounted substrate material transfer roller 22;

[0052] Rear circular cutter roller 31, rear circular cutter auxiliary roller 32;

[0053] Rear trimming table 41, trimming knife assembly 42, knife movement drive mechanism 43; base plate take-up roller 44; glue applicator 45, glue applicator roller 46; substrate passageway 411;

[0054] Trimming base 421, cutting fixed blade 422, cutting moving blade 423, cutting moving driver 424; rear trimming frame 425, rear trimming blade 426, rear rotation driver 427; industrial camera device 428;

[0055] Identification port 4211; mobile frame 431, X-axis movement drive assembly 432, Y-axis movement drive assembly 433, Z-axis drive assembly 434;

[0056] Rear pressure roller 51, rear waste take-up roller 52; rear protective transfer roller 53; heat-conducting interlayer 511;

[0057] Front-mounted sheet material transfer roller 71, front-mounted substrate material transfer roller 72;

[0058] Front circular cutter roller 81, front circular cutter auxiliary roller 82;

[0059] Conductive sheet 01; intermediate substrate 02; bottom substrate 03; primary conductive structure 04; secondary conductive structure 05; protective film 06. Detailed Implementation

[0060] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0061] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0062] The technical solution of this invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0063] A flexible circuit board cutting system includes: a rear frame 1, a rear material transfer mechanism 2, a rear circular knife cutting mechanism 3, a rear trimming mechanism 4, and a rear pressing mechanism 5.

[0064] The rear material transfer mechanism 2, the rear circular knife cutting mechanism 3, the rear trimming mechanism 4, and the rear pressing mechanism 5 are horizontally distributed sequentially on the rear frame 1;

[0065] The rear material transfer mechanism 2 includes: a rear sheet material transfer roller 21 and a rear substrate material transfer roller 22;

[0066] The rear sheet transfer roller 21 and the rear substrate transfer roller 22 are rotatably mounted on the rear frame 1; the rear sheet transfer roller 21 winds up the conductive sheet 01 of the circuit board; the rear substrate transfer roller 22 winds up the intermediate substrate 02 of the circuit board; the conductive sheet 01 is attached to the upper surface of the intermediate substrate 02 and conveyed to the rear circular knife cutting mechanism 3.

[0067] The rear circular blade cutting mechanism 3 includes: a rear circular blade roller 31 and a rear circular blade auxiliary roller 32;

[0068] The rear cutter roller 31 and the rear cutter assistant roller 32 are rotatably installed on the rear frame 1, and the rear cutter roller 31 is above the rear cutter assistant roller 32; the rotation of the rear cutter roller 31 cuts the primary conductive structure 04 on the upper surface of the intermediate substrate 02 from the conductive sheet 01;

[0069] The rear trimming mechanism 4 comprises a rear trimming table 41, a trimming cutter assembly 42 and a cutter moving driving mechanism 43;

[0070] The upper surface of the rear trimming table 41 is used to receive the conductive sheet 01 and the intermediate substrate 02; the output end of the cutter moving driving mechanism 43 is connected to the trimming cutter assembly 42, which is used to drive the trimming cutter assembly 42 to move on the upper surface of the rear trimming table 41, and to cut the secondary conductive structure 05 on the upper surface of the intermediate substrate 02 from the conductive sheet 01; the primary conductive structure 04 and the secondary conductive structure 05 form a circuit diagram;

[0071] The rear pressing mechanism 5 comprises a rear pressing roller 51 and a rear waste winding roller 52;

[0072] The rear trimming table 41, the rear pressing roller 51 and the rear waste winding roller 52 are horizontally distributed in sequence;

[0073] The two rear pressing rollers 51 are arranged close to each other, and the rear pressing rollers 51 are used to receive and press the conductive sheet 01 and the intermediate substrate 02 output from the rear trimming table 41; the rotation of the rear waste winding roller 52 winds the conductive sheet 01 cut by the circuit diagram.

[0074] The present scheme provides a cutting system of flexible circuit board, which cuts the primary conductive structure 04 on the conductive sheet 01 through the rear cutter cutting mechanism 3, and then cuts the secondary conductive structure 05 on the conductive sheet 01 through the trimming cutter assembly 42 of the rear trimming mechanism 4, so as to form a complete circuit diagram, which can realize single processing of complex circuit structure, greatly save processing time, and fully utilize each section of conductive sheet 01, solving the problems of simple circuit structure, high cutting material consumption and long processing time in the prior art.

[0075] Specifically, the rear rack 1, the rear conveying mechanism 2, the rear round knife cutting mechanism 3, the rear trimming mechanism 4 and the rear pressing mechanism 5 are sequentially distributed; in the rear conveying mechanism 2, the rear conductive sheet conveying roller 21 winds the conductive sheet 01 of the circuit board, and the rear base material conveying roller 22 winds the intermediate base plate 02 of the circuit board, and the two respectively continuously output the conductive sheet 01 and the intermediate base plate 02 to the rear round knife cutting mechanism 3; when the conductive sheet 01 and the intermediate base plate 02 reach the rear round knife cutting mechanism 3, the rear round knife roller 31 and the rear round knife auxiliary roller 32 relatively move close to each other, so as to press the conductive sheet 01 to the intermediate base plate 02; and the surface of the rear round knife roller 31 can be opened according to the distribution of the final circuit board to form a round knife die; the rotation of the round knife die can cut a corresponding primary conductive structure 04 on the conductive sheet 01, and the original conductive sheet 01 is only left with a material frame, but the conductive sheet 01 has been pressed to the intermediate base plate 02, so that the primary conductive structure 04 and the material frame are still retained on the intermediate base plate 02; the intermediate base plate 02 and the primary conductive structure 04 and the material frame on the surface thereof are conveyed to the rear trimming mechanism 4 together and pass through the rear trimming table 41; the trimming cutter assembly 42 is moved by the cutter moving drive mechanism 43, so that the trimming cutter assembly 42 moves along the X, Y, Z and A axes, so that the cutting end of the trimming cutter assembly 42 can move on the upper surface of the rear trimming table 41 and cut the material frame below for a second time; so as to cut a secondary conductive structure 05 on the surface of the intermediate base plate 02 from part of the material frame; the secondary conductive structure 05 can be distributed between the primary conductive structures 04 and can connect a plurality of primary conductive structures 04, so as to form the processing of the circuit diagram; thus, the secondary conductive structure 05 is separated from the material frame, and the primary conductive structure 04, the secondary conductive structure 05 and the material frame are still retained on the upper surface of the intermediate base plate 02 and are conveyed to the rear pressing mechanism 5; in the rear pressing mechanism 5, the rear pressing roller 51 is arranged close to each other, and when rotating, on the one hand, it can convey the intermediate base plate 02 and the circuit structure, and on the other hand, it can compact the conductive structure on the intermediate base plate 02; and the rotation of the rear waste winding roller 52 can continuously wind the conductive sheet 01 (equivalent to the material frame) cut with the primary conductive structure 04 and the secondary conductive structure 05; the material frame is finally separated from the intermediate base plate 02, and the intermediate base plate 02 finally adheres the circuit diagram formed by the primary conductive structure 04 and the secondary conductive structure 05; and since the material frame is cut for a second time, the present scheme has fully utilized the multiple regions of the conductive sheet 01, thereby avoiding the waste of the conductive sheet 01. Thus, the present scheme can process the complex circuit diagram of the circuit at one time, greatly saves the processing time and the processing material, and solves the problems of simple circuit structure, many cutting materials and long processing time in the prior art.

[0076] The tool moving driving mechanism 43 is a mechanism known to have driving movement and / or rotation, such as a combination of a conveyor belt, a conveyor trolley, a mechanical hand, a cylinder, a motor, etc., as long as it can realize the movement of the trimming tool assembly 42 along the X, Y, Z and A axes.

[0077] Preferably, the middle part of the post-trimming station 41 is provided with a hollow substrate passing path 411.

[0078] The post-trimming mechanism 4 comprises a bottom plate winding roller 44.

[0079] The bottom plate winding roller 44 winds the bottom substrate 03 of the circuit board; the bottom substrate 03 is unwound to pass through the substrate passing path 411, and the post-pressing rollers 51 are used to receive and press the conductive sheet 01, the middle substrate 02 and the bottom substrate 03 output from the post-trimming station 41.

[0080] When the trimming tool assembly 42 cuts the secondary conductive structure 05 from the material frame, it may cause partial cutting damage to the middle substrate 02; however, the present scheme can cut the circuit structure and press the middle substrate 02 and the bottom substrate 03 together after cutting the circuit diagram from the middle substrate 02, so as to reinforce the strength of the flexible circuit board and avoid the influence of the cutting damage of the middle substrate 02 on the overall structure of the circuit board. The upper surface of the post-trimming station 41 can receive the middle substrate 02 and the conductive sheet 01, and can provide a cutting support surface for the trimming tool assembly 42; at the same time, the substrate passing path 411 of the post-trimming station 41 can guide the bottom substrate 03 to guide the transmission of the bottom substrate.

[0081] More preferably, the post-trimming mechanism 4 comprises a glue applicator 45 and a glue roller 46.

[0082] The glue applicator 45 and the glue roller 46 are installed on the substrate passing path 411; a plurality of glue rollers 46 are rollably distributed along the length direction of the substrate passing path 411 and contact the upper and lower surfaces of the bottom substrate 03; the glue applicator 45 is located above the bottom substrate 03 and is used to output adhesive to the upper surface of the bottom substrate 03.

[0083] The glue applicator 45 in the substrate passing path 411 can output adhesive to the bottom substrate 03 passing through the substrate passing path 411; when the adhesive of the glue applicator 45 falls to the upper surface of the bottom substrate 03, and the bottom substrate 03 continues to transmit to the position of the post-pressing roller 51, the glue rollers 46 at the upper and lower positions can scrape the adhesive on the surface of the bottom substrate 03 to make the adhesive uniformly distributed on the upper surface of the bottom substrate 03; and when the bottom substrate 03 is completed, it can be adhered to the subsequent middle substrate 02, and the strength of the flexible circuit board is improved under the reinforcing effect of the adhesive and the bottom substrate 03.

[0084] Further optimization, the outer wall of the post-press roller 51 is provided with a heat-conducting layer 511 between the middle part; the heat-conducting layer 511 is provided with a heating medium.

[0085] When the post-press roller 51 receives the conductive sheet 01, the middle substrate 02 and the bottom substrate 03, the outer wall of the post-press roller 51 contacts the flexible circuit board, and the heating medium of the heat-conducting layer 511 can be used for hot pressing the flexible circuit board, so as to solidify the adhesive on the upper surface of the bottom substrate 03, and then the conductive sheet 01, the middle substrate 02 and the bottom substrate 03 are combined into one, and the subsequent curing time is reduced.

[0086] Preferably, the trimming knife assembly 42 comprises a trimming base 421, a cutting fixed knife 422, a cutting moving knife 423 and a cutting moving driver 424.

[0087] The output end of the knife moving driving mechanism 43 is connected to the trimming base 421; the cutting fixed knife 422 is installed on the trimming base 421; the cutting moving knife 423 is movably installed on the trimming base 421; the cutting fixed knife 422 and the cutting moving knife 423 are arranged in parallel; the output end of the cutting moving driver 424 is connected to the cutting moving knife 423, for driving the cutting moving knife 423 to move, so as to adjust the knife gap between the cutting fixed knife 422 and the cutting moving knife 423.

[0088] The cutting fixed knife 422 and the cutting moving knife 423 are arranged in parallel, and a knife gap is formed between them; the knife moving driving mechanism 43 drives the trimming base 421 to move, thereby driving the cutting fixed knife 422 and the cutting moving knife 423 to move on the upper surface of the post-trimming table 41, so as to cut the secondary conductive structure 05; the cutting fixed knife 422 and the cutting fixed knife 422 can cut the secondary conductive structure 05 at different positions respectively, so as to realize synchronous cutting of the secondary conductive structure 05 at different positions, or simultaneous cutting of a single secondary conductive structure 05.

[0089] The cutting moving driver 424 is a mechanism with a known driving moving function, such as a cylinder, a moving trolley, or a combination of a motor and a screw rod, or a combination of a gear and a rack, etc.

[0090] More preferably, the trimming knife assembly 42 comprises a post-trimming frame 425, a post-trimming edge knife 426 and a post-rotating driver 427.

[0091] The output end of the cutter moving driving mechanism 43 is connected to the rear trimming frame 425; the trimming base 421 is rotatably mounted on the rear trimming frame 425 around the A axis; the cutting fixed cutter 422 and the cutting moving cutter 423 are respectively mounted on one side of the trimming base 421, and the rear trimming cutter 426 is mounted on the other side of the trimming base 421; the horizontal plane where the rear trimming cutter 426 is located is perpendicular to the horizontal plane where the cutting fixed cutter 422 is located; the output end of the rear rotating driver 427 is connected to the trimming base 421 for driving the trimming base 421 to rotate around the A axis, so as to switch the different sides of the trimming base 421 to face the upper surface of the rear trimming table 41.

[0092] One side of the trimming base 421 is provided with the cutting fixed cutter 422 and the cutting moving cutter 423, and the other side is provided with the rear trimming cutter 426; the horizontal planes where the cutting fixed cutter 422 and the cutting moving cutter 423 are located are parallel, and the horizontal plane where the rear trimming cutter 426 is located is perpendicular to the horizontal plane where the cutting fixed cutter 422 is located; the trimming base 421 has different angle cutters on different sides, and the different angle cutters are switched by the rotation of the trimming base 421; when the different angle cutters need to be switched, the rear rotating driver 427 can be started to drive the trimming base 421 to rotate around the A axis, so as to switch the cutting fixed cutter 422 or the rear trimming cutter 426 to face the upper surface of the rear trimming table 41. Moreover, since the rear trimming cutter 426 is perpendicular to the cutting fixed cutter 422, the cooperation of the three can cut out the complex secondary conductive structure 05; for example, in one embodiment, for two adjacent primary conductive structures 04, the cutter spacing can be moved from the primary conductive structure 04 to the other primary conductive structure 04, so as to cut out the secondary conductive structure 05 connecting the two primary conductive structures 04; in one embodiment, the cutter spacing moves in a straight line to cut out two parallel lines; then, the rear rotating driver 427 can be started to drive the trimming base 421 to rotate around the A axis, so as to move the rear trimming cutter 426 to face the upper surface of the rear trimming table 41 below; the rear trimming cutter 426 cuts off the remaining edge along the two ends of the two parallel lines, so as to form the secondary conductive structure 05 on the middle substrate 02; then, the cutter spacing is moved to the primary conductive structure 04, so as to cut out another secondary conductive structure 05 connecting the primary conductive structure 04; thus, the cutting structure of the conductive sheet 01 is more abundant, and the structure of the circuit diagram is more complex.

[0093] The rear rotating driver 427 is a mechanism with a rotating driving function, such as a motor, or a combination of a motor and a speed reducer.

[0094] The tool moving driving mechanism 43 can be optimized to include a moving frame 431, an X-axis moving driving assembly 432, a Y-axis moving driving assembly 433, and a Z-axis driving assembly 434.

[0095] The moving frame 431 is arranged above the rear trimming table 41; the output end of the Z-axis driving assembly 434 is connected to the trimming knife assembly 42, for driving the trimming knife assembly 42 to move along the Z-axis, so that the trimming knife assembly 42 is lifted to approach or move away from the rear trimming table 41;

[0096] The X-axis moving driving assembly 432 is installed on the moving frame 431, and the output end of the X-axis moving driving assembly 432 is connected to the Z-axis driving assembly 434, for driving the Z-axis driving assembly 434 to move along the X-axis direction, so that the trimming knife assembly 42 moves between the two sides of the rear trimming table 41; the output end of the Y-axis moving driving assembly 433 is connected to the moving frame 431, for driving the moving frame 431 to move along the Y-axis direction, so that the moving frame 431 moves along the length direction of the rear trimming table 41.

[0097] The tool moving driving mechanism 43 can drive the trimming knife assembly 42 to move along the X, Y, and Z-axis directions, so as to adjust the trimming knife assembly 42 to any position of the rear trimming table 41, and cut the conductive sheet 01 on the rear trimming table 41, thereby improving the range of the trimming knife assembly 42; for the Z-axis driving assembly 434, the output end of the Z-axis driving assembly 434 is connected to the trimming knife assembly 42, for driving the trimming knife assembly 42 to move up and down, so as to drive the trimming base 421 and the cutting fixed knife 422 and the cutting moving knife 423 to move away from and approach the rear trimming table 41, and then drive the trimming knife assembly 42 to approach the conductive sheet 01; for the X-axis moving driving assembly 432, it can drive the Z-axis driving assembly 434 to move along the X-axis direction, so as to drive the Z-axis driving assembly 434 to move along the two sides of the rear trimming table 41, thereby the trimming knife assembly 42 can process the conductive sheet 01 in the width direction; for the Y-axis moving driving assembly 433, it can drive the X-axis moving driving assembly 432 to move along the Y-axis direction through the moving frame 431, so as to drive the trimming knife assembly 42 to move along the Y-axis direction, and make the trimming knife assembly 42 process the conductive sheet 01 in the length direction.

[0098] The X-axis movement driving assembly 432, the Y-axis movement driving assembly 433 and the Z-axis driving assembly 434 are well-known mechanisms with driving linear movement functions, which can be selected according to the actual situation of processing, such as a conveyor belt structure, a conveyor trolley, a mechanical hand, a mechanical arm, a cylinder, or a combination of a motor and a screw rod, or a rack and pinion cooperation, etc. Moreover, in the driving process of the X-axis movement driving assembly 432, the Y-axis movement driving assembly 433 and the Z-axis driving assembly 434, a guide block or a guide column is added to provide linear guide movement.

[0099] Preferably, the trimming cutter assembly 42 comprises an industrial camera device 428.

[0100] The upper and lower surfaces of the trimming base 421 are respectively provided with identification openings 4211; the industrial camera device 428 is installed in the identification openings 4211.

[0101] The industrial camera device 428 is in communication connection with the rear rotating driver 427 and the cutter movement driving mechanism 43.

[0102] The industrial camera device 428 is respectively arranged on the upper and lower surfaces of the trimming base 421, which can be used to take pictures and position the conductive sheet 01 when the trimming base 421 is turned to face the rear trimming table 41 by the cooperation of the rear rotating driver 427, and the required cutting position of the conductive sheet 01 and the required movement path of the cutting fixed cutter 422, the cutting movement cutter 423 and the rear trimming cutter 426 are fed back to the rear rotating driver 427 and the cutter movement driving mechanism 43, so as to drive the movement of the trimming base 421 through the X-axis movement driving assembly 432, the Y-axis movement driving assembly 433, the Z-axis driving assembly 434 and the rear rotating driver 427, and then drive the cutter to position and cut the corresponding position of the conductive sheet 01, so as to accurately cut out the secondary conductive structure 05.

[0103] Preferably, the rear pressing mechanism 5 comprises a rear protective material conveying roller 53.

[0104] The rear protective material conveying roller 53 winds the protective film 06 of the circuit board, and the rear protective material conveying roller 53 unwinds the protective film 06 to be attached to the upper surface of the conductive sheet 01.

[0105] The rear protection conveying roller 53 is wound with a protective film 06, which can be unwound to the upper surface of the conductive sheet 01; the rear pressing roller 51 can effectively press the protective film 06, the conductive sheet 01, the intermediate substrate 02 and the bottom substrate 03 from top to bottom in turn, so as to combine the protective film, the conductive sheet 01, the intermediate substrate 02 and the bottom substrate 03 into one body, and the upper protective film and the lower intermediate substrate 02 and bottom substrate 03 protect the intermediate conductive sheet 01, avoiding damage to the conductive sheet 01 during subsequent processing.

[0106] Preferably, it further comprises: a front rack 6, a front conveying mechanism 7, a front circular knife cutting mechanism 8 and a front waste roll 9;

[0107] The front conveying mechanism 7, the front circular knife cutting mechanism 8 and the front waste roll 9 are sequentially and horizontally distributed on the front rack 6;

[0108] The front conveying mechanism 7 comprises: a front conductive sheet conveying roller 71 and a front substrate conveying roller 72;

[0109] The front conductive sheet conveying roller 71 and the front substrate conveying roller 72 are respectively rotatably installed on the front rack 6; the front conductive sheet conveying roller 71 is wound with a conductive sheet 01 of a circuit board; the front substrate conveying roller 72 is wound with an intermediate substrate 02 of a circuit board; the conductive sheet 01 is attached to the upper surface of the intermediate substrate 02 and is conveyed to the front circular knife cutting mechanism 8;

[0110] The front circular knife cutting mechanism 8 comprises: a front circular knife roller 81 and a front circular knife auxiliary roller 82;

[0111] The front circular knife roller 81 and the front circular knife auxiliary roller 82 are respectively rotatably installed on the front rack 6, and the front circular knife roller 81 is located above the front circular knife auxiliary roller 82; rotation of the front circular knife roller 81 cuts a primary conductive structure 04 from the conductive sheet 01 on the upper surface of the intermediate substrate 02;

[0112] The front waste roll 9 is installed on the rear rack 1 and used to output the conductive sheet 01 to one of the rear conductive sheet conveying rollers 21.

[0113] The scheme is provided with a front-end processing mechanism and a rear-end processing mechanism, the front-end processing mechanism includes a front transmission mechanism 7, a front circular knife cutting mechanism 8 and a front waste material winding roller 9; the rear-end processing mechanism includes a rear transmission mechanism 2, a rear circular knife cutting mechanism 3, a rear trimming mechanism 4 and a rear pressing mechanism 5; the front transmission mechanism 7 corresponds to the rear transmission mechanism 2, and the structures are the same or similar; the front circular knife cutting mechanism 8 corresponds to the rear circular knife cutting mechanism 3, and the structures are the same or similar; the front waste material winding roller 9 corresponds to the rear waste material winding roller 52; the difference between the front-end processing mechanism and the rear-end processing mechanism is only the rear trimming mechanism 4; the front-end can process a conventional and simple structure circuit board; the rear-end can process a complex structure circuit board. Moreover, the front-end processing mechanism is cut by the front circular knife roller 81 to the conductive sheet 01, and then is transmitted to the front waste material winding roller 9; the rotation of the front waste material winding roller 9 can separate the primary conductive structure 04 of the conductive sheet 01 from the material frame, and place the primary conductive structure 04 on the middle substrate 02 of the circuit board; in the scheme, the number of the rear conductive sheet transmission roller 21 can be multiple, one of the rear conductive sheet transmission roller 21 can be used to receive the conductive sheet 01 cut out of the primary conductive structure 04; the material frame can be transmitted to the rear conductive sheet transmission roller 21, when the rear conductive sheet transmission roller 21 is called, the rear conductive sheet transmission roller 21 can reuse the unused part of the conductive sheet 01, so as to fully utilize the conductive sheet 01, and reduce the consumption of the conductive sheet 01.

[0114] The technical principles of the scheme are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the scheme, and cannot be explained as the limitation of the protection scope of the scheme in any way. Based on the explanation here, the person skilled in the art can think of other specific embodiments of the scheme without creative labor, and these embodiments will fall into the protection scope of the scheme.

Claims

1. A cutting system for flexible circuit boards, characterized in that, include: Rear frame, rear material transfer mechanism, rear circular knife cutting mechanism, rear trimming mechanism and rear pressing mechanism; The rear material transfer mechanism, the rear circular knife cutting mechanism, the rear trimming mechanism, and the rear pressing mechanism are arranged horizontally in sequence on the rear frame; The rear material transfer mechanism includes: a rear sheet material transfer roller and a rear substrate material transfer roller; The rear sheet transfer roller and the rear substrate transfer roller are rotatably mounted on the rear frame; the rear sheet transfer roller winds up the conductive sheet of the circuit board; the rear substrate transfer roller winds up the intermediate substrate of the circuit board; the conductive sheet is attached to the upper surface of the intermediate substrate and conveyed to the rear circular blade cutting mechanism. The rear circular blade cutting mechanism includes: a rear circular blade roller and a rear circular blade auxiliary roller; The rear circular cutter roller and the rear circular cutter auxiliary roller are rotatably mounted on the rear frame, with the rear circular cutter roller abutting above the rear circular cutter auxiliary roller; the rotation of the rear circular cutter roller cuts a primary conductive structure from the conductive sheet on the upper surface of the intermediate substrate. The rear trimming mechanism includes: a rear trimming table, a trimming knife assembly, and a knife movement drive mechanism; The upper surface of the rear trimming stage is used to receive the conductive sheet and the intermediate substrate; the output end of the tool movement drive mechanism is connected to the trimming knife assembly, which is used to drive the trimming knife assembly to move on the upper surface of the rear trimming stage, and also drive the trimming knife assembly to cut a secondary conductive structure from the conductive sheet on the upper surface of the intermediate substrate; the primary conductive structure and the secondary conductive structure form a circuit diagram. The post-pressing mechanism includes: a post-pressing roller and a post-waste take-up roller; The rear trimming table, rear pressure roller, and rear waste winding roller are arranged horizontally in sequence. Two rear pressure rollers are arranged close to each other, and the rear pressure rollers are used to receive and press the conductive sheet and the intermediate substrate output from the rear trimming table; the rotation of the rear waste take-up roller will take up the conductive sheet that has been cut out of the circuit diagram.

2. The flexible circuit board cutting system according to claim 1, characterized in that, The rear trimming stage has a hollow substrate passage in the middle. The post-trimming mechanism includes: a base plate take-up roller; The bottom plate take-up roller takes up the bottom substrate of the circuit board; the bottom substrate is unwound to pass through the substrate passage, and the rear pressure rollers are used to receive and press the conductive sheet, intermediate substrate and bottom substrate output from the rear trimming table.

3. The flexible circuit board cutting system according to claim 2, characterized in that, The post-trimming mechanism includes: a glue applicator and a glue roller; The adhesive applicator and adhesive rollers are installed in the substrate passageway; a plurality of adhesive rollers are rotatably distributed along the length of the substrate passageway and contact the upper and lower surfaces of the bottom substrate; the adhesive applicator is located above the bottom substrate and is used to apply adhesive to the upper surface of the bottom substrate.

4. The flexible circuit board cutting system according to claim 3, characterized in that, A heat-conducting interlayer is provided between the outer wall and the middle part of the rear pressure roller; the heat-conducting interlayer is provided with a heating medium.

5. The flexible circuit board cutting system according to claim 1, characterized in that, The trimming blade assembly includes: a trimming base, a fixed cutting blade, a moving cutting blade, and a moving cutting driver; The output end of the tool movement drive mechanism is connected to the trimming base; the fixed cutting tool is mounted on the trimming base; the moving cutting tool is movably mounted on the trimming base; the fixed cutting tool and the moving cutting tool are arranged in parallel; the output end of the moving cutting driver is connected to the moving cutting tool and is used to drive the moving cutting tool to move, so as to adjust the tool spacing between the fixed cutting tool and the moving cutting tool.

6. The flexible circuit board cutting system according to claim 5, characterized in that, The trimming blade assembly includes: a rear trimming frame, a rear cutting blade, and a rear rotation driver; The output end of the tool movement drive mechanism is connected to the rear trimming frame; the trimming base is rotatably mounted on the rear trimming frame around axis A; the fixed cutting blade and the moving cutting blade are respectively mounted on one side of the trimming base, and the rear trimming blade is mounted on the other side of the trimming base; the horizontal plane of the rear trimming blade is perpendicular to the horizontal plane of the fixed cutting blade; the output end of the rear rotation drive is connected to the trimming base and is used to drive the trimming base to rotate around axis A, so as to switch the different faces of the trimming base to face the upper surface of the rear trimming table.

7. The flexible circuit board cutting system according to claim 6, characterized in that, The tool movement drive mechanism includes: a moving frame, an X-axis movement drive assembly, a Y-axis movement drive assembly, and a Z-axis drive assembly; The mobile frame is positioned above the rear trimming table; the output end of the Z-axis drive assembly is connected to the trimming knife assembly, which drives the trimming knife assembly to move along the Z-axis, causing the trimming knife assembly to rise or fall to be close to or away from the rear trimming table. The X-axis movement drive assembly is mounted on the moving frame, and its output end is connected to the Z-axis drive assembly for driving the Z-axis drive assembly to move along the X-axis direction, so that the trimming knife assembly moves between the two sides of the rear trimming table; the output end of the Y-axis movement drive assembly is connected to the moving frame for driving the moving frame to move along the Y-axis direction, so that the moving frame moves along the length direction of the rear trimming table.

8. The flexible circuit board cutting system according to claim 6, characterized in that, The trimming tool assembly includes: an industrial camera device; The upper and lower surfaces of the trimming base are respectively provided with identification ports; the industrial camera device is installed in the identification ports; The industrial camera device is communicatively connected to the rear rotary driver and the tool movement drive mechanism.

9. A flexible circuit board cutting system according to claim 2, characterized in that, The rear pressing mechanism includes: a rear protective transfer roller; The rear protective transfer roller winds up the protective film of the circuit board, and the rear protective transfer roller unwinds the protective film to adhere to the upper surface of the conductive sheet.

10. A cutting system for flexible circuit boards according to any one of claims 1-9, characterized in that, Also includes: Front frame, front material conveying mechanism, front circular knife cutting mechanism and front waste material take-up roller; The front-mounted material conveying mechanism, the front-mounted circular knife cutting mechanism, and the front-mounted waste material winding roller are horizontally distributed sequentially on the front frame. The front-mounted material transfer mechanism includes: a front-mounted sheet material transfer roller and a front-mounted substrate material transfer roller; The front sheet conveying roller and the front substrate conveying roller are rotatably mounted on the front frame; the front sheet conveying roller winds up the conductive sheet of the circuit board; the front substrate conveying roller winds up the intermediate substrate of the circuit board; the conductive sheet is attached to the upper surface of the intermediate substrate and conveyed to the front circular knife cutting mechanism. The front circular blade cutting mechanism includes: a front circular blade roller and a front circular blade auxiliary roller; The front circular cutter roller and the front circular cutter auxiliary roller are rotatably mounted on the front frame, with the front circular cutter roller located above the front circular cutter auxiliary roller. The rotation of the front circular cutter roller cuts a conductive structure from one part of the conductive sheet on the upper surface of the intermediate substrate. The rotation of the rear circular cutter roller cuts a conductive structure from another part of the conductive sheet on the upper surface of the intermediate substrate. The front waste take-up roller is mounted on the rear frame and is used to output conductive sheets to one of the rear sheet transfer rollers.

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