A high-precision flexible integrated circuit production device and production method

Abstract

The application discloses a kind of high-precision flexible integrated circuit production equipment and production method, belong to flexible circuit manufacturing technical field, it includes visual alignment mechanism, linear displacement mechanism, gravure printing module and operation control platform, using the displacement camera module of two cameras contained in visual alignment mechanism and the setting of the impression platform set on alignment component, substrate printing before and after alignment recognition can be accurately realized, then through the combination setting of linear displacement mechanism and gravure printing module, so that the substrate after alignment can be accurately completed the printing of conductive layer under the action of gravure printing module.The production equipment and production method of the application can realize the accurate printing of conductive layer, and accurately compensate the horizontal error and longitudinal error when printing different conductive layers, effectively ensure the accuracy when printing two or even more different conductive layers on the substrate to be printed, especially suitable for the production of high-precision flexible integrated circuit with multiple different conductive layers.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of flexible circuit manufacturing, and particularly relates to a production device and a production method for high-precision flexible integrated circuits. BACKGROUND

[0002] A flexible integrated circuit is a printed circuit made on a flexible insulating substrate. The flexible integrated circuit has good electrical performance and can be flexibly arranged according to space requirements, thus having excellent application flexibility. In addition, the flexible integrated circuit can be freely bent, wound, folded, and moved and stretched in three-dimensional space, and is therefore widely used in fields such as flexible touch screens, artificial intelligence, wearable electronics, and medical treatment.

[0003] The existing flexible integrated circuit is mainly printed on a flexible insulating substrate by means of silk screen printing. Although this method can meet the requirements of actual applications to a certain extent, it still has the shortcomings of slow printing speed, poor printing restoration ability for fine pattern lines, and low printing precision, and cannot fully meet the requirements of high-precision processing of the flexible integrated circuit, especially in the case of printing of multiple conductive layers, thereby restricting the development of high-precision flexible integrated circuits and having great application limitations. SUMMARY

[0004] In view of one or more of the above defects or improvement requirements of the prior art, the present application provides a production device and a production method for high-precision flexible integrated circuits, which can accurately realize the printing processing of the flexible integrated circuit and ensure the processing precision and quality of the flexible integrated circuit.

[0005] To achieve the above-mentioned purpose, in one aspect of the present application, a production device for high-precision flexible integrated circuits is provided, which comprises a visual alignment mechanism, a linear displacement mechanism, a gravure printing module, and an operation control platform.

[0006] The visual alignment mechanism comprises a stamping platform and a displacement camera module. The stamping platform is arranged on the alignment assembly and can be adjusted in UVW three directions under the driving of the alignment assembly. The displacement camera module is arranged above the stamping platform and comprises a pair of cameras arranged on the plane displacement assembly respectively. The two cameras can be displaced in the plane under the driving of the respective plane displacement assembly to identify the two end edges of the substrate to be printed or two mark points on the substrate respectively.

[0007] The linear displacement mechanism comprises a moving platform that can reciprocate and translate in the first direction. The stamping platform is arranged on the moving platform.

[0008] The intaglio printing module is arranged on one side of the visual alignment mechanism along the first direction, and includes an intaglio roller with an axis extending along the second direction and a vertical height adjustable;

[0009] The operation control platform is electrically connected with the electric control components in the visual alignment mechanism, the linear displacement mechanism and the intaglio printing module respectively, and is used for controlling the working of each mechanism and module.

[0010] As a further improvement of the present application, the displacement camera module includes two moving arms arranged along the second direction respectively; one end of each of the two moving arms is assembled on a translation guide rail extending along the first direction, and the two moving arms can reciprocate along the first direction on the translation guide rail respectively; and

[0011] The two moving arms are respectively provided with a linear guide rail extending along the second direction, and the two cameras are respectively assembled on the corresponding linear guide rails, so that the two cameras can reciprocate along the second direction on the linear guide rails respectively.

[0012] As a further improvement of the present application, the alignment assembly includes an alignment plate and a fixed plate arranged vertically spaced apart, and a three-axis alignment module arranged between the two plate bodies.

[0013] The fixed plate is mounted on the moving platform for reciprocating movement with the moving platform; and the alignment plate is used for carrying and fixing the impression platform.

[0014] As a further improvement of the present application, the impression platform includes a substrate and an impression adhesive layer arranged on the top surface of the substrate; the substrate is fixedly connected with the alignment plate and can be adjusted with the alignment plate.

[0015] As a further improvement of the present application, the linear displacement mechanism includes a lead screw and a first motor arranged along the first direction.

[0016] The two ends of the lead screw are respectively rotatably supported on the support plate, and the end away from the visual alignment mechanism is connected with the output shaft of the first motor; and the moving platform is threadedly assembled on the lead screw to realize reciprocating translation in the first direction through rotation control of the lead screw.

[0017] As a further improvement of the present application, the intaglio printing module includes a pair of lifting assemblies, and each of the two lifting assemblies includes an intaglio wall plate, a machine base wall plate, a lifting guide rail and a lifting cylinder.

[0018] The lifting guide rail is vertically arranged on the machine base wall plate, and a sliding block on the lifting guide rail is assembled with the intaglio wall plate, and an output shaft of the lifting cylinder is assembled with the sliding block;

[0019] Two ends of the intaglio roller are respectively rotationally connected to corresponding intaglio wall plates, and the driving assembly comprises a second motor connected to one intaglio wall plate, an output shaft of the second motor being connected to the end of the intaglio roller for driving the intaglio roller to rotate around the shaft; then, through synchronous control of the two lifting cylinders and rotation control of the intaglio roller, the intaglio roller can be adjusted in lifting, and the printing of the flexible integrated circuit can be completed.

[0020] As a further improvement of the present application, the scraper assembly comprises a scraper obliquely arranged on one side of the intaglio roller;

[0021] An axis of the scraper is parallel to an axis of the intaglio roller, and a side of the scraper away from the intaglio roller is clamped and fixed by two laminated pressure plates; two ends of the two pressure plates are respectively connected to the scraper cylinders whose output shafts extend in the first direction, and the two scraper cylinders are respectively connected to opposite side walls of the two intaglio wall plates; and

[0022] Axial ends of the two pressure plates are provided with ink blocking blocks, bottoms of the two ink blocking blocks are not higher than a bottom of the scraper, and the two ink blocking blocks respectively protrude to one side of the intaglio roller; when the bottom of the scraper abuts against the outer wall surface of the intaglio roller, one side of the ink blocking block abuts against the outer peripheral wall surface of the intaglio roller, so as to form a V-shaped groove for accommodating the plasma material between the intaglio roller and the scraper.

[0023] As a further improvement of the present application, the scraper assembly is arranged on the side of the intaglio roller close to the visual alignment mechanism;

[0024] And / or

[0025] Pressure gauges are arranged in the two lifting assemblies respectively for detecting the pressure applied by the two ends of the intaglio roller to the impression platform.

[0026] As a further improvement of the present application, the operation control platform comprises a control cabinet and a main control screen arranged on the control cabinet;

[0027] The visual alignment mechanism, the linear displacement mechanism and the intaglio die group are respectively arranged on the top of the control cabinet, and the main control screen is electrically connected with the electric control components in each mechanism and group for controlling the whole equipment and adjusting the related parameters.

[0028] Another aspect of the present application also provides a production method of high-precision flexible integrated circuit, which is used for printing at least two different conductive layers on the same to-be-printed substrate; the production method is completed by using the production equipment of high-precision flexible integrated circuit, and comprises the following processes:

[0029] (1) assembling the gravure roll corresponding to the first conductive layer in the gravure module, and fixing after placing the to-be-printed substrate on the printing platform; aligning the to-be-printed substrate by the visual alignment mechanism and adjusting to the expected initial position by the alignment assembly; thereafter, the moving platform is translated towards the gravure module by the linear displacement mechanism;

[0030] (2) controlling the doctor blade assembly of the gravure module to work, so that the doctor blade of the doctor blade assembly abuts against the surface of the gravure roll, and the electric paste is fed; controlling the two lifting assemblies and the second motor of the gravure module to work, so that the gravure roll rotates and vertically displaces, the electric paste is coated on the outer periphery of the gravure roll, and the gravure roll is aligned with the to-be-printed substrate, until the pattern initial position of the gravure roll abuts against the printing starting position on the to-be-printed substrate;

[0031] (3) controlling the first motor and the second motor to continue to work, completing the printing of the conductive layer on the to-be-printed substrate in the displacement process of the moving platform, and controlling the gravure module and the linear displacement mechanism to reset after completing the printing;

[0032] (4) taking down the gravure roll on the gravure module and replacing the gravure roll corresponding to the next conductive layer; taking down the to-be-printed substrate on which the printing of the first conductive layer is completed from the printing platform; replacing a blank standby substrate on the printing platform, and adjusting to the expected initial position by the visual alignment mechanism;

[0033] (5) repeating processes (2) and (3), completing the printing of the next conductive layer on the standby substrate, and identifying and recording the positions of the two mark points obtained by printing on the standby substrate by the visual alignment mechanism;

[0034] (6) taking down the standby substrate, and placing the to-be-printed substrate on which the printing of the previous conductive layer is completed on the printing platform again; controlling the visual alignment mechanism to identify the positions of the two mark points on the to-be-printed substrate, and controlling the alignment assembly to adjust the position of the to-be-printed substrate, so that the positions of the two mark points on the to-be-printed substrate coincide with the positions of the two mark points obtained in process (5);

[0035] (7) repeating processes (2) and (3), printing the next conductive layer on the previous conductive layer of the to-be-printed substrate;

[0036] (8) If the number of conductive layers is more than two, the processes (4)-(7) are repeated in sequence after the printing of the previous conductive layer is completed, until the layered printing of the multiple conductive layers on the substrate to be printed is completed.

[0037] The above technical features can be combined with each other as long as they do not conflict with each other.

[0038] Overall, compared with the prior art, the above technical solutions conceived by the present application have the following beneficial effects:

[0039] (1) The production equipment for high-precision flexible integrated circuits of the present application comprises a visual alignment mechanism, a linear displacement mechanism, a gravure printing module and an operation control platform. The displacement camera module comprising two cameras in the visual alignment mechanism and the setting of the impression platform on the alignment assembly can accurately realize the alignment recognition before and after the printing of the substrate. The combination of the linear displacement mechanism and the gravure printing module enables the substrate after alignment to accurately complete the printing of the conductive layer under the action of the gravure printing module, effectively ensuring the accuracy of the printing of the conductive layer on the substrate and improving the precision of the printing production of flexible integrated circuits.

[0040] (2) The production method for high-precision flexible integrated circuits of the present application is realized by using the production equipment designed by optimization. Through the corresponding control of the three printing processes, the accurate printing of two different conductive layers on the same substrate to be printed is realized. The precise servo adjustment of the alignment assembly accurately compensates for the horizontal and vertical errors during the printing of different conductive layers, effectively ensuring the accuracy of the printing of two or more different conductive layers on the substrate to be printed and completing the production of high-precision flexible integrated circuits. BRIEF DESCRIPTION OF DRAWINGS

[0041] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0042] Figure 1 is the overall structure schematic diagram of the production equipment for high-precision flexible integrated circuits in the embodiments of the present application;

[0043] Figure 2 is the structure schematic diagram of the visual alignment mechanism of the production equipment in the embodiments of the present application;

[0044] Figure 3 is the structure schematic diagram of the linear displacement mechanism of the production equipment in the embodiments of the present application;

[0045] Figure 4is a schematic diagram of the three-dimensional structure of a gravure printing module of a production device in an embodiment of the present application;

[0046] Figure 5 is a sectional view of the structure of a gravure printing module of a production device in an embodiment of the present application;

[0047] Figure 6 is a schematic diagram of the working state of a gravure printing module of a production device in an embodiment of the present application;

[0048] Figure 7 is a schematic diagram of the structure of an operation control platform of a production device in an embodiment of the present application;

[0049] Figure 8 is a schematic diagram of the system architecture of a production device for high-precision flexible integrated circuits in an embodiment of the present application;

[0050] Figure 9 is a schematic diagram of the process of printing high-precision flexible integrated circuits using a production device in an embodiment of the present application;

[0051] Figure 10 is a schematic diagram of the process of deviation and positioning control using a visual positioning mechanism in an embodiment of the present application;

[0052] In all the drawings, the same reference signs represent the same technical features, specifically:

[0053] 1. visual positioning mechanism; 2. linear displacement mechanism; 3. gravure printing module; 4. operation control platform;

[0054] 101. first camera; 102. first mounting plate; 103. first locking knob; 104. first fixed seat; 105. first linear guide rail; 106. first moving arm; 107. first translation guide rail; 108. display; 109. second moving arm; 110. second linear guide rail; 111. second fixed seat; 112. second locking knob; 113. second mounting plate; 114. second camera; 115. impression platform; 1151. impression adhesive layer; 1152. substrate; 116. positioning assembly; 1161. positioning plate; 1162. three-axis positioning module; 1163. fixed plate;

[0055] 201. first motor; 202. first mounting seat; 203. first support plate; 204. guide roller base; 205. first coupling; 206. lead screw; 207. nut; 208. second translation guide rail; 209. moving platform; 210. second support plate;

[0056] 301. Second motor; 302. Reducer; 303. Second mounting seat; 304. Second coupling; 305. First pressure gauge; 306. First bearing pressing block; 307. First ink blocking block; 308. Upper pressing plate; 309. Gravure roller; 310. Second locking piece; 311. Second ink blocking block; 312. Second bearing pressing block; 313. Second pressure gauge; 314. Second bearing; 315. Third lifting guide rail; 316. Fixing pin; 317. Second air cylinder; 318. Second fixing block; 319. Second machine base wall plate; 320. Fourth lifting guide rail; 321. Second gravure wall plate; 322. Second doctor air cylinder; 323. Lower pressing plate; 324. First lifting guide rail; 325. First air cylinder; 326. Second lifting guide rail; 327. First machine base wall plate; 328. First doctor air cylinder; 329. First gravure wall plate; 330. First fixing block; 331. Doctor fixing seat; 332. First locking piece; 333. First bearing; 334. Doctor blade; 335. Plasma material; 336. Substrate to be printed;

[0057] 41. Master control screen; 42. Control cabinet; 43. Adjusting foot cup. DETAILED DESCRIPTION

[0058] In order to make the objects, technical solutions and advantages of the present application clearer, the following further describes the present application with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and should not be used to limit the present application. In addition, the technical features involved in the various embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0059] In the description of the present application, it should be understood that, unless otherwise explicitly specified and limited, the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientations or positional relationships shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0060] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0061] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. 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.

[0062] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0063] Embodiments:

[0064] Please refer to Figures 1-7 The production equipment of the high-precision flexible integrated circuit in the preferred embodiment of the present application comprises a visual alignment mechanism 1, a linear displacement mechanism 2, a gravure die set 3 and an operation control platform 4.

[0065] The visual alignment mechanism 1 comprises a stamping platform 115 and a displacement camera module. The displacement camera module is correspondingly arranged above the stamping platform 115, so that the position of the material on the stamping platform 115 can be accurately obtained.

[0066] Specifically, the stamping platform 115 is arranged on an alignment assembly 116 and can be adjusted in UVW three directions in the plane under the driving of the alignment assembly 116. It should be noted that the UVW three directions herein refer to the horizontal direction (i.e. XY axis direction) and the θ angle rotation direction (i.e. the direction of rotating around the Z axis) arranged orthogonally in the plane.

[0067] Meanwhile, the displacement camera module is arranged above the stamping platform 115, which comprises a pair of cameras arranged on the plane displacement assembly respectively. The two cameras can be displaced in the plane under the driving of the corresponding plane displacement assembly, so as to identify the two end edges of the to-be-printed substrate 336 or the two mark points obtained by printing on the to-be-printed substrate 336.

[0068] Further, the linear displacement mechanism 2 is arranged corresponding to the stamping platform 115, which comprises a moving platform 209 capable of reciprocating translation in the first direction, and the stamping platform 115 is arranged on the moving platform 209, and the position of the stamping platform 115 can be adjusted by the reciprocating translation of the moving platform 209 in the first direction.

[0069] More specifically, the gravure printing module 3 is arranged on one side of the visual alignment mechanism 1 along the first direction, which comprises a gravure roller 309 with an axis extending along the second direction and a vertical height adjustable, and a doctor blade assembly for feeding the electroplating paste 335 and a driving assembly for driving the rotation of the gravure roller 309 are arranged corresponding to the gravure roller 309; by the coating and feeding of the electroplating paste 335 on the outer periphery of the gravure roller 309 and the rotation control of the gravure roller 309, the electroplating paste 335 can be printed on the material according to the pattern on the outer periphery of the gravure roller 309.

[0070] In addition, the operation control platform 4 is electrically connected with the electric control components in the visual alignment mechanism 1, the linear displacement mechanism 2 and the gravure printing module 3 respectively, for controlling the corresponding working processes of each mechanism and module; then the substrate 1152 after visual alignment on the stamping platform 115 can be translated to the lower side of the gravure roller 309 under the driving of the linear displacement mechanism 2, and the printing of the flexible integrated circuit on the to-be-printed substrate 336 can be completed under the rotation control of the gravure roller 309 and the translation control of the linear displacement mechanism 2.

[0071] Further preferably, the displacement camera module comprises two moving arms respectively arranged along the second direction; one end of each of the two moving arms is fitted on a translation guide rail extending along the first direction, and the two moving arms can reciprocate along the first direction on the translation guide rail. At the same time, a linear guide rail extending along the second direction is arranged on each of the two moving arms, and the two cameras are respectively fitted on the corresponding linear guide rails, so that the two cameras can reciprocate along the second direction on the linear guide rails.

[0072] Exemplarily, in the preferred embodiment as shown in Figure 2 the displacement camera module is arranged on a fixed frame on one side of the stamping platform 115 along the second direction, the height of the fixed frame is higher than the height of the stamping platform 115, and further corresponds to the focusing range of the two cameras. At the same time, the two moving arms (i.e. the first moving arm 106 and the second moving arm 109) are arranged corresponding to the two cameras (i.e. the first camera 101 and the second camera 114), and a first translation guide rail 107 extending along the first direction is arranged on the top of the fixed frame, and the two moving arms are respectively slidably fitted with the first translation guide rail 107 along the second direction, so that the two moving arms can reciprocate along the axis of the first translation guide rail 107 under control.

[0073] In detail, in actual setting, the first camera 101 and the second camera 114 are set in the same way or mirror image, for example, in the preferred embodiment as shown in FIG. 1, the two cameras are set in mirror image. Figure 2 In the preferred embodiment, the two cameras are set in mirror image. Herein, taking the setting of the first camera 101 as an example, the setting of the cameras on the moving arms is described.

[0074] For the first camera 101 which is preferably a CCD camera, a first mounting plate 102, a first fixed seat 104 and a first linear guide rail 105 are sequentially arranged according to the setting of the first camera 101 on the first moving arm 106. The first camera 101 is mounted on the first mounting plate 102, the first fixed seat 104 is connected to the slider on the first linear guide rail 105, and the first mounting plate 102 is slidingly connected to the first fixed seat 104 and can be locked and fixed by the first locking knob 103. Correspondingly, the first linear guide rail 105 extends along the second direction and is arranged on the side of the first moving arm 106 facing the second moving arm 109. The first camera 101 can be adjusted in displacement in the second direction by reciprocating sliding of the first fixed seat 104 on the first linear guide rail 105, and the first camera 101 can be adjusted in displacement in the first direction by reciprocating sliding of the first moving arm 106 on the first translation guide rail 107.

[0075] It can be understood that the second camera 114 is set in a similar way as the first camera 101, and is set on the second linear guide rail 110 by the second mounting plate 113, the second locking knob 112 and the second fixed seat 111, and finally adjusted in displacement in the plane.

[0076] In actual setting, the sliding of each fixed seat on the corresponding linear guide rail and the sliding of each moving arm on the first translation guide rail 107 are completed by the corresponding driving mechanism, and each driving mechanism is electrically connected to the operation control platform 4.

[0077] More preferably, a display 108 is arranged on the fixed frame and is electrically connected to the two cameras respectively, for displaying the shooting field of view of the two cameras in real time.

[0078] Further, the pressing platform 115 in the preferred embodiment is as shown in FIG. 2, which includes a substrate 1152 and a pressing adhesive layer 1151 arranged on the top surface of the substrate 1152, and the bottom of the substrate 1152 is positioned and fixed on the alignment assembly 116. Figure 2 In the preferred embodiment, the alignment assembly 116 includes vertically spaced alignment plates 1161 and fixed plates 1163, the alignment plates 1161 are arranged above the fixed plates 1163, and a three-axis alignment module 1162 is arranged between the two.

[0079] In detail, the fixed plate 1163 is mounted on the moving platform 209 and can follow the reciprocating movement of the moving platform 209; the alignment plate 1161 is connected with the base plate 1152 at the bottom of the impression platform 115 and is used to support the impression platform 115 and realize the alignment adjustment of the to-be-printed substrate 336 on the impression platform 115. Through the control of the three-axis alignment module 1162, the UVW three-direction adjustment of the alignment plate 1161 relative to the fixed plate 1163 can be realized, and then the alignment adjustment of the to-be-printed substrate 336 is completed.

[0080] Further, the linear displacement mechanism 2 in the preferred embodiment includes a lead screw 206 extending in the first direction and a first motor 201. Wherein, the two ends of the lead screw 206 are respectively rotationally supported on the support plates, the end away from the vision alignment mechanism 1 is connected with the output shaft of the first motor 201, and the moving platform 209 is threadedly assembled on the lead screw 206, and the two form a threaded screw mechanism, and through the rotation control of the lead screw 206, the reciprocating translation of the moving platform 209 in the first direction can be realized.

[0081] Exemplarily, in the preferred embodiment as shown in Figure 3 The linear displacement mechanism 2 includes a guide roller base 204 and two support plates (i.e. a first support plate 203 and a second support plate 210) corresponding to the lead screw 206, the two support plates are mounted on the guide roller base 204, and the two ends of the lead screw 206 are rotationally connected to the two support plates. At the same time, the first motor 201 is arranged at one end of the guide roller base 204, and a first mounting seat 202 is arranged on the guide roller base 204 corresponding to the first motor 201, so that the output shaft of the first motor 201 is connected with one end of the lead screw 206 through the first coupling 205. In addition, corresponding to the assembly connection of the lead screw 206 and the moving platform 209, a nut 207 with the axis along the first direction is arranged on the moving platform 209, and the lead screw 206 is threadedly matched with the nut 207.

[0082] In detail, corresponding to the reciprocating translation of the moving platform 209 in the first direction, a second translation guide rail 208 extending in the first direction is arranged on the guide roller base 204, and the bottom of the moving platform 209 is connected with a sliding block assembled on the second translation guide rail 208, so that under the control of the first motor 201, the lead screw 206 can rotate around the shaft, and then is converted into the reciprocating movement of the moving platform 209 in the first direction.

[0083] Further, the intaglio printing module 3 in the preferred embodiment comprises a pair of lifting assemblies, each of which comprises an intaglio wall plate, a base wall plate, a lifting guide rail and a lifting cylinder. The lifting guide rail is arranged vertically on the base wall plate, and the intaglio wall plate is assembled and connected with the sliding block on the lifting guide rail, so that the intaglio wall plate can realize vertical reciprocating lifting under the guidance of the lifting guide rail. At the same time, the output shaft of the lifting cylinder extends vertically and is assembled and connected with the sliding block, for driving the intaglio wall plate to perform vertical lifting movement.

[0084] In more detail, the two ends of the intaglio roller 309 are respectively rotatably connected to the corresponding intaglio wall plates, and the driving assembly comprises a second motor 301 connected to one intaglio wall plate, the output shaft of the second motor 301 is connected with the end of the intaglio roller 309, for driving the intaglio roller 309 to rotate around the shaft; then through synchronous control of the two lifting cylinders and rotation control of the intaglio roller 309, the lifting and rotation control of the intaglio roller 309 can be realized, and the printing of the flexible integrated circuit is completed.

[0085] Exemplarily, in the specific embodiment in the preferred embodiment, the intaglio printing module 3 comprises two lifting assemblies arranged in mirror image. Figure 4 , Figure 5 Exemplarily, in the specific embodiment in the preferred embodiment, the intaglio printing module 3 comprises two lifting assemblies arranged in mirror image. Here, taking the lifting assembly connected with the second motor 301 as an example, the structure of the lifting assembly is specifically described.

[0086] In this embodiment, the lifting assembly comprises a bottom plate located at the bottom, which can be connected to the guide roller base 204, and the first base wall plate 327 is arranged vertically on the bottom plate, and the lifting guide rail is arranged vertically on one side wall (the side facing the other lifting assembly) of the first base wall plate 327. To ensure the reliability of the subsequent vertical movement of the first intaglio wall plate 329, the aforementioned lifting guide rail is a pair of parallel lifting guide rails, i.e. the first lifting guide rail 324 and the second lifting guide rail 326, at this time, the two ends of the first intaglio wall plate 329 are respectively connected with the sliding blocks on the two lifting guide rails, so that the first intaglio wall plate 329 can perform vertical reciprocating displacement under the guidance of the two lifting guide rails.

[0087] Correspondingly, the first cylinder 325 is arranged for vertical driving of the first intaglio wall plate 329, the output shaft of which is connected with the bottom of the first intaglio wall plate 329, and then drives the first intaglio wall plate 329 to perform vertical reciprocating movement.

[0088] In detail, for the connection of one end of the gravure roller 309 to the first intaglio wall plate 329, a semicircular recess is formed on the top of the first intaglio wall plate 329, and the one end of the gravure roller 309 is fixed in the semicircular recess by the first bearing pressing block 306 after the first bearing 333 is sleeved. Through the fixed connection between the first bearing pressing block 306 and the first intaglio wall plate 329, the rotary connection of the one end of the gravure roller 309 to the first intaglio wall plate 329 can be achieved.

[0089] In addition, a second mounting seat 303 is mounted on the side of the first intaglio wall plate 329 away from the other lifting assembly, for mounting the second motor 301, and then the output shaft of the second motor 301 is connected to the end of the gravure roller 309 through the speed reducer 302 and the second coupling 304, so that the rotary control of the gravure roller 309 can be achieved through the driving of the second motor 301.

[0090] It should be noted that the setting form of the other lifting assembly for supporting the other end of the gravure roller 309 is similar to that of the aforementioned lifting assembly. The second machine seat wall plate 319 of the other lifting assembly is arranged on a bottom plate, and a third lifting guide rail 315 and a fourth lifting guide rail 320 corresponding to the second machine seat wall plate 319 are arranged, and a second air cylinder 317 corresponding to the second intaglio wall plate 321 is arranged. The output shaft end of the second air cylinder 317 is inserted and mounted on the side wall surface of the second intaglio wall plate 321 through the fixing pin 316, so that the second air cylinder 317 can accurately drive the vertical lifting movement of the second intaglio wall plate 321, and the movement is guided by the two lifting guide rails. In addition, the other end of the gravure roller 309 is also rotatably assembled on the second intaglio wall plate 321 through the second bearing pressing block 312 and the second bearing 314.

[0091] Further, the doctor blade assembly of the intaglio module 3 is arranged on one side of the gravure roller 309, and the axis thereof is parallel to the axis of the gravure roller 309, and the doctor blade assembly comprises a doctor blade 334 arranged obliquely on one side of the gravure roller 309. In actual arrangement, the doctor blade assembly is preferably located above the horizontal section passing through the axis of the gravure roller 309, as shown in FIG. 4. Figure 5 Meanwhile, the bottom of the doctor blade 334 is inclined to one side of the gravure roller 309, that is, the horizontal distance between the doctor blade 334 and the gravure roller 309 decreases from the top to the bottom, and the bottom of the doctor blade 334 abuts against the outer periphery of the gravure roller 309 to form a V-shaped material containing groove.

[0092] In detail, the side of the doctor blade 334 away from the gravure roller 309 is clamped and fixed by the two pressing plates (i.e., the upper pressing plate 308 and the lower pressing plate 323) arranged in layers, as shown in FIG. 5. Figure 5The two pressing plates extend along the second direction, and the first locking member 332 and the second locking member 310 are arranged at the two ends of the two pressing plates correspondingly. Meanwhile, the first fixed block 330 and the second fixed block 318 are arranged at the two ends of the two pressing plates correspondingly. In actual arrangement, the scraper fixing seat 331 extending along the second direction is arranged correspondingly to the two fixed blocks, at this time, the two locking members pass through the two pressing plates and are connected with the scraper fixing seat 331, and the two ends of the scraper fixing seat 331 are connected with the two fixed blocks respectively.

[0093] Further, the scraper cylinders are arranged correspondingly to the two fixed blocks on the opposite side walls of the two gravure wall plates, that is, the first scraper cylinder 328 is arranged on the first gravure wall plate 329 and the second scraper cylinder 322 is arranged on the second gravure wall plate 321. The output shafts of the two scraper cylinders extend along the first direction, and through the control of the two scraper cylinders, the driving process of the scraper 334 approaching or moving away from the gravure roller 309 can be realized.

[0094] More specifically, the first ink blocking block 307 and the second ink blocking block 311 are arranged at the two ends of the scraper 334 in the axial direction, the two ink blocking blocks are preferably connected to the corresponding pressing plates, the bottom of the two ink blocking blocks is not higher than the bottom of the scraper 334, and the two ink blocking blocks protrude to the side of the gravure roller 309 respectively, and when the bottom of the scraper 334 abuts against the outer wall surface of the gravure roller 309, one side of the two ink blocking blocks abuts against the outer peripheral wall surface of the gravure roller 309, so that the V-shaped groove is formed between the gravure roller 309 and the scraper 334, and the axial two ends of the V-shaped groove are closed, so as to avoid the leakage of the plasma material 335 in the V-shaped groove from the axial two ends of the V-shaped groove.

[0095] As can be imagined, in actual arrangement, the side of the two ink blocking blocks close to the gravure roller 309 is arranged as a circular arc wall surface which is adapted to the curvature of the outer peripheral wall surface of the gravure roller 309, as shown in Figure 5 .

[0096] Further preferably, the scraper assembly is arranged on the side of the gravure roller 309 close to the visual alignment mechanism 1, as shown in Figure 3 . In this way, the displacement direction of the moving platform 209 can be matched, and through the control of the cutting speed direction of the bottom of the gravure roller 309 being consistent with the displacement direction of the moving platform 209, the printing of the to-be-printed substrate 336 on the moving platform 209 can be completed.

[0097] More preferably, the first pressure gauge 305 and the second pressure gauge 313 are arranged in the two lifting assemblies respectively, and are further arranged between the gravure wall plates of the two lifting assemblies and the machine base wall plates, for detecting the pressure applied to the printing platform 115 by the two ends of the gravure roller 309 during actual work.

[0098] By the combination of the intaglio printing module 3, the linear displacement mechanism 2 and the visual alignment mechanism 1, the printing operation of the flexible integrated circuit on the to-be-printed substrate 336 on the printing platform 115 can be accurately realized, as shown in Figure 6 , and the accuracy and reliability in the multi-layer circuit printing process are fully ensured.

[0099] In more detail, corresponding to the control of the electric control components in each mechanism and module, the operation control platform 4 in the preferred embodiment includes a main control screen 41 and a control cabinet 42, as shown in Figure 7 . The main control screen 41 is supported on the top of the control cabinet 42, and the visual alignment mechanism 1, the linear displacement mechanism 2 and the intaglio printing module 3 are arranged on the top of the control cabinet 42. The main control screen 41 is electrically connected with the electric control components in each mechanism and module, and through the arrangement of the main control screen 41, the control operation of the entire device and the adjustment of related parameters can be performed.

[0100] In addition, it is further preferred that a plurality of adjustment foot cups 43 are arranged at the bottom of the control cabinet 42 to correspondingly support the control cabinet 42 and adjust the level of the control cabinet 42 and each mechanism on the top thereof. Preferably, a shock-absorbing pad is arranged at the bottom of each adjustment foot cup 43 to reduce vibration during operation of the device and improve the operation accuracy of the device.

[0101] Through the corresponding arrangement of each component in the operation control platform 4, a system architecture diagram as shown in Figure 8 can be formed. The control of the intaglio printing module 3, the linear module (linear displacement mechanism 2) and the three-axis alignment module 1162 is completed by the general controller, and the display of the related control parameters, the visual detection results and the operation process is completed by the main control screen 41.

[0102] With the arrangement of the aforementioned production device, a production method for high-precision flexible integrated circuits is further proposed, which is used for the printing processing of multiple different conductive layers on the same substrate, and preferably includes the following processes:

[0103] (1) Printing of the first conductive layer on the to-be-printed substrate 336;

[0104] Specifically, the gravure roll 309 corresponding to the pattern of the first conductive layer is replaced in the intaglio printing module 3, the related parameters are set on the main control screen 41, and the device is operated.

[0105] The to-be-printed substrate 336 is placed on the printing adhesive layer 1151 on the surface of the printing platform 115; the visual alignment mechanism 1 is controlled to collect the position of the two end edges of the to-be-printed substrate 336 and determine the deviation value of the two ends of the to-be-printed substrate 336; thereafter, the three-axis alignment module 1162 is controlled to work to adjust the position of the to-be-printed substrate 336 to the expected initial position;

[0106] Further, the work of the two doctor air cylinders in the intaglio printing module 3 is adjusted so that the doctor blade 334 moves close to the intaglio roller 309 until the bottom of the doctor blade 334 abuts and presses against the surface of the intaglio roller 309; a certain amount of plasma paste 335 is injected into the V-shaped groove formed by the doctor blade 334 and the intaglio roller 309, and the work of the second motor 301 is controlled so that the plasma paste 335 is uniformly coated on the outer circumferential surface of the intaglio roller 309.

[0107] Thereafter, the linear displacement mechanism 2 is controlled to drive the moving platform 209 to move, and the aligned to-be-printed substrate 336 is driven to the side of the intaglio printing module 3; at the same time, the two lifting assemblies of the intaglio printing module 3 are controlled to synchronously descend until the pattern initial position of the intaglio roller 309 vertically abuts and presses against the printing starting position of the to-be-printed substrate 336; thereafter, the first motor 201 and the second motor 301 are controlled to synchronously work so that the intaglio roller 309 completes the printing of the first circuit layer on the top surface of the substrate while the to-be-printed substrate 336 linearly displaces.

[0108] In the preferred embodiment, the motor of the intaglio roller 309 and the linear displacement mechanism 2 adopts an electronic cam process control mode, so as to realize the accurate alignment of the printing starting point of the pattern on the intaglio roller 309 and the starting point of the substrate on the impression platform 115.

[0109] In addition, it can be understood that, in order to ensure the printing quality of the intaglio roller 309 in the intaglio printing module 3, the tangential speed of the bottom of the intaglio roller 309 is preferably kept in the same form as the translation speed of the moving platform 209 to work.

[0110] (2) Perform a set-position compensation before printing the second conductive layer to obtain the substrate compensation parameters after the intaglio roller 309 is replaced;

[0111] Specifically, after the printing of the first conductive layer is completed, the two lifting assemblies of the intaglio printing module 3 are controlled to ascend, and the intaglio roller 309 is replaced by an intaglio roller 309 corresponding to the pattern of the second conductive layer; at the same time, the moving platform 209 is translated to the initial position at the visual alignment mechanism 1 by the linear displacement mechanism 2.

[0112] At this time, the to-be-printed substrate 336 on which the first conductive layer is printed is taken off from the impression platform 115, a standby substrate which is the same as the to-be-printed substrate 336 and is blank is replaced, and the standby substrate is placed on the impression platform 115 according to the setting form of the to-be-printed substrate 336; thereafter, the standby substrate is aligned and recognized by the visual alignment mechanism 1, and is adjusted to the expected initial position.

[0113] Further, the linear displacement mechanism 2 is controlled to work, the moving platform 209 is driven to the below of the intaglio printing module 3, and the two lifting assemblies of the intaglio printing module 3 are controlled at the same time, so that the intaglio roller 309 abuts against the edge of the standby substrate to be printed at the initial position of the pattern; finally, the two motors are controlled to work synchronously, and the printing of the second conductive layer pattern on the standby substrate is completed.

[0114] After the printing is completed, the intaglio roller 309 is controlled to rise and reset, and the linear displacement mechanism 2 is controlled to drive the moving platform 209 to move to the visual alignment mechanism 1, and the two mark points on the standby substrate obtained by printing are identified by the visual alignment mechanism 1 to determine the positions of the two mark points.

[0115] (3) printing of the second conductive layer on the substrate to be printed 336 is performed;

[0116] Specifically, the standby substrate is removed, and the substrate to be printed 336 on which the printing of the first conductive layer is completed is placed on the fixed position on the surface of the impression platform 115; thereafter, the three-axis alignment module 1162 is controlled to work according to the positions of the two mark points, so that the positions of the two mark points on the substrate to be printed 336 coincide with the positions of the two mark points on the standby substrate after printing recorded in the last printing, and the running process of the entire alignment is shown in FIG. 7. Figure 10

[0117] Finally, the linear displacement mechanism 2 and the intaglio printing module 3 are controlled to work, the alignment of the second intaglio roller 309 and the substrate to be printed 336 is completed, and the printing process of the second conductive layer on the substrate to be printed 336 is completed.

[0118] Through the above process, the substrate with two different conductive layers can be obtained, and the printing production of the flexible integrated circuit is completed, and the entire production process is shown in FIG. 8. Figure 9

[0119] It can be understood that when the number of conductive layers is more than two, after the printing of the first conductive layer in (1) is completed, the working processes in (2) and (3) are cycled in sequence, and the printing of the flexible integrated circuit with multiple different conductive layers can be completed.

[0120] For the production method of the flexible integrated circuit in the preferred embodiment, the accurate printing of the two different conductive layers on the same substrate to be printed 336 is accurately realized through the corresponding control of the three printing processes, the horizontal error and the vertical error in the printing of the different conductive layers are accurately compensated through the precise servo adjustment of the alignment assembly 116, the accuracy of the printing of the two or more different conductive layers on the substrate to be printed 336 is effectively ensured, and the production of the high-precision flexible integrated circuit is completed.

[0121] ​​Those skilled in the art can easily understand that the above description is only the preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A high-precision flexible integrated circuit production equipment, characterized in that: Including visual alignment mechanism, linear displacement mechanism, gravure printing module and operation control platform; The visual alignment mechanism includes an imprinting platform and a displacement camera module; the imprinting platform is arranged on the alignment component and can be adjusted in three directions (UV, W) within a plane under the drive of the alignment component; the displacement camera module is arranged above the imprinting platform and includes a pair of cameras respectively arranged on the plane displacement components. The two cameras can be displaced within a plane under the drive of their corresponding plane displacement components to respectively identify the two end edges of the substrate to be printed or two marking points on the substrate; The linear displacement mechanism includes a movable platform that can reciprocate in a first direction, and the stamping platform is arranged on the movable platform; The gravure printing module is arranged on one side of the visual alignment mechanism along the first direction, and includes a gravure roller whose axis extends along the second direction and whose vertical height is adjustable; a scraper assembly for feeding the slurry and a drive assembly for driving the gravure roller to rotate are provided corresponding to the gravure roller; The operation control platform is electrically connected to the visual alignment mechanism, the linear displacement mechanism and the electronic control components in the gravure module, respectively, for controlling the operation of each mechanism and module; then, after the visual alignment is completed on the imprinting platform, the substrate can be translated to the bottom of the gravure roller under the drive of the linear displacement mechanism, and the printing of the flexible integrated circuit on the substrate to be printed can be completed under the rotation control of the gravure roller and the translation control of the linear displacement mechanism.

2. The high-precision flexible integrated circuit production equipment according to claim 1, characterized in that: The displacement camera module includes two movable arms respectively extending along the second direction; one end of the two movable arms is respectively mounted on a translation guide rail extending along the first direction, and the two movable arms can reciprocate along the first direction on the translation guide rail; and The two movable arms are respectively provided with linear guide rails extending along the second direction, and the two cameras are respectively assembled on the corresponding linear guide rails, so that the two cameras can slide back and forth along the second direction on the linear guide rails.

3. The high-precision flexible integrated circuit production equipment according to claim 2, characterized in that: The alignment assembly includes an alignment plate and a fixed plate arranged vertically at intervals, and a three-axis alignment module arranged between the two plates; The fixed plate is mounted on the movable platform and is used for reciprocating along with the movable platform; the alignment plate is used for carrying and fixing the imprinting platform.

4. The high-precision flexible integrated circuit production equipment according to claim 3, characterized in that: The embossing platform comprises a substrate and an embossing adhesive layer arranged on the top surface of the substrate; the substrate is fixedly connected to the alignment plate and can be aligned and adjusted following the alignment plate.

5. The high-precision flexible integrated circuit production equipment according to any one of claims 1 to 4, characterized in that: The linear displacement mechanism includes a screw rod extending along a first direction and a first motor; The two ends of the screw rod are respectively rotatably supported on the support plates, and the end thereof away from the visual alignment mechanism is connected to the output shaft of the first motor, and the movable platform is threadedly assembled on the screw rod, and reciprocating translation in the first direction is achieved through the rotation control of the screw rod.

6. The high-precision flexible integrated circuit production equipment according to any one of claims 1 to 4, characterized in that: The gravure printing module includes a pair of lifting components, each of which includes a gravure printing wall panel, a machine base wall panel, a lifting guide rail and a lifting cylinder; The lifting guide rail is vertically arranged on the base wall panel, and the slider on the lifting guide rail is assembled and connected with the gravure wall panel, and the output shaft of the lifting cylinder is assembled and connected with the slider; The two ends of the gravure roller are respectively rotatably connected to the corresponding gravure wallboards, and the driving assembly includes a second motor connected to a gravure wallboard, the output shaft of the second motor is connected to the end of the gravure roller, and is used to drive the gravure roller to rotate around the axis; then, through the synchronous control of the two lifting cylinders and the rotation control of the gravure roller, the lifting and lowering adjustment of the gravure roller can be realized, and the printing of the flexible integrated circuit can be completed.

7. The high-precision flexible integrated circuit production equipment according to claim 6, characterized in that: The scraper assembly includes a scraper obliquely arranged on one side of the gravure roller; The axis of the scraper is parallel to the axis of the gravure roller, and the side of the scraper facing away from the gravure roller is clamped and fixed by two stacked pressure plates; the two ends of the two pressure plates are respectively connected to a scraper cylinder whose output shaft extends along the first direction, and the two scraper cylinders are respectively connected to the opposite side walls of the two gravure wallboards; and Ink-blocking blocks are provided at both axial ends of the two pressure plates. The bottoms of the two ink-blocking blocks are not higher than the bottom of the scraper and protrude toward one side of the gravure roller respectively. When the scraper abuts against the outer wall of the gravure roller with its bottom, one side of the ink-block abuts against the outer peripheral wall of the gravure roller, thereby forming a V-shaped groove for accommodating the slurry between the gravure roller and the scraper.

8. The high-precision flexible integrated circuit production equipment according to claim 7, characterized in that: The scraper assembly is arranged on a side of the gravure roller close to the visual alignment mechanism; and / or Pressure gauges are respectively provided in the two lifting assemblies for detecting the pressure applied by the two ends of the gravure roller to the imprinting platform.

9. The high-precision flexible integrated circuit production equipment according to any one of claims 1 to 4, 7, and 8, characterized in that: The operation control platform includes a control cabinet and a main control screen arranged on the control cabinet; The visual alignment mechanism, the linear displacement mechanism and the gravure printing module are respectively arranged on the top of the control cabinet, and the main control screen is electrically connected to the electrical control components in each mechanism and module for controlling the entire device and adjusting related parameters.

10. A method for producing a high-precision flexible integrated circuit, for printing at least two different conductive layers on the same substrate to be printed; characterized in that: The production method is completed using the production equipment for high-precision flexible integrated circuits according to any one of claims 1 to 9, and includes the following steps: (1) Assembling a gravure roller corresponding to the first conductive layer in the gravure printing module, and placing the substrate to be printed on the stamping platform and fixing it; aligning the substrate to be printed by the visual alignment mechanism and adjusting it to the expected initial position by the alignment assembly; thereafter, driving the movable platform to translate toward the gravure printing module by the linear displacement mechanism; (2) Controlling the operation of the scraper assembly of the gravure printing module so that the scraper of the scraper assembly contacts the surface of the gravure roller and the slurry is fed; controlling the operation of the two lifting assemblies and the second motor of the gravure printing module so that the gravure roller rotates and moves vertically, coating the slurry on the periphery of the gravure roller and aligning the gravure roller with the substrate to be printed, until the initial position of the pattern of the gravure roller contacts the printing start position on the substrate to be printed; (3) Controlling the first motor and the second motor to continue working, completing the printing of the conductive layer on the substrate to be printed during the displacement of the mobile platform, and controlling the gravure printing module and the linear displacement mechanism to reset after the printing is completed; (4) Remove the gravure roller from the gravure printing module and replace it with the gravure roller corresponding to the next conductive layer; remove the substrate to be printed after the first conductive layer is printed from the stamping platform; replace a blank spare substrate on the stamping platform and adjust it to the expected initial position by the visual alignment mechanism; (5) Repeating processes (2) and (3) to complete the printing of a conductive layer on the spare substrate, and the visual alignment mechanism identifies and records the positions of the two marking points obtained by printing on the spare substrate; (6) removing the spare substrate and placing the substrate to be printed after the previous conductive layer is printed on the imprinting platform again; controlling the visual alignment mechanism to complete the recognition of the positions of the two marking points on the substrate to be printed, and controlling the alignment component to adjust the position of the substrate to be printed so that the positions of the two marking points on the substrate to be printed coincide with the positions of the two marking points obtained in process (5); (7) repeating processes (2) and (3) to print the next conductive layer on the previous conductive layer of the substrate to be printed; (8) If the number of conductive layers is more than two, the processes (4) to (7) are repeated in sequence after the printing of the previous conductive layer is completed until the layered printing of multiple conductive layers on the substrate to be printed is completed.

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