Rigid-flex board pressing process

Abstract

The invention relates to the technical field of rigid-flex board manufacturing, and discloses a rigid-flex board pressing process, which comprises the following steps: S1, material preparation: preparing a flexible circuit layer which is usually made of a polyimide material; preparing a rigid circuit layer, which is usually made of an FR-4 material; an adhesive layer is prepared for bonding the flexible layer and the rigid layer together. According to the invention, the fixing frame and the carrier plate which can be separated are arranged, and when the rigid-flex board is pressed and the carrier part bearing the rigid-flex board drives the rigid-flex board to move towards the blanking direction, the carrier plate gradually moves to a slotting area; therefore, when the carrier plate moves to the slotting area and exceeds the position of the center line of the carrier plate, the carrier plate can rotate towards the lower portion of the fixing frame due to gravity, the pressed rigid-flex board borne by the upper surface of the carrier plate can slide to the upper surface of the material receiving plate along the inclined carrier plate gradually when the carrier plate rotates, and discharging operation is completed.

Description

Technical Field

[0001] The invention relates to the technical field of manufacturing a rigid-flexible board, and in particular to a rigid-flexible board pressing process. Background Art

[0002] IC substrate is also called IC packaging substrate. In the field of high-end packaging, IC substrate has replaced the traditional lead frame and become an indispensable part of chip packaging. It not only provides support, heat dissipation and protection for the chip, but also provides electronic connection between the chip and the PCB motherboard, playing a "bridging" role. In order to provide greater flexibility for packaging design, the circuit can be laid out according to complex product shapes and improve the thermal management ability of the package. Therefore, in the chip manufacturing process, the lamination process of the rigid-flex board involving the superposition and bonding of multiple layers of materials is a precise and important work process.

[0003] In the prior art, batches of rigid-flex boards are pressed and positioned by a pressing machine. In the subsequent unloading process, workers or robots are required to unload the boards one by one. Although the stability of the rigid-flex boards can be ensured, the unloading efficiency is low and the unloading time is long, which also affects the appearance quality of the product, reduces production efficiency and increases costs. In view of this, we provide a rigid-flex board pressing process. Summary of the invention

[0004] Technical issues solved

[0005] In view of the above-mentioned shortcomings of the prior art, the present invention provides a rigid-flexible board pressing process, which can effectively solve the problem of low material cutting efficiency after rigid-flexible board pressing in the prior art.

[0006] Technical Solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] The present invention provides a rigid-flexible board lamination process, comprising:

[0009] S1. Material preparation: prepare a flexible circuit layer, which is usually made of polyimide or other flexible materials; prepare a rigid circuit layer, which is usually made of FR-4 or other rigid materials; prepare an adhesive layer for bonding the flexible layer and the rigid layer together;

[0010] S2, pre-processing: drilling, patterning, etching and other processes are performed on the flexible layer and the rigid layer to form a circuit pattern, and the surfaces of the flexible layer and the rigid layer are cleaned and processed to ensure a good bonding effect;

[0011] S3, stacking: stack the processed flexible layer and rigid layer in the carrier according to the design requirements, add an adhesive layer in the middle, and place the stacked rigid-flex board in the carrier;

[0012] S4, Lamination: The laminated rigid-flexible board is heated and pressurized by a laminating machine to solidify the adhesive layer and firmly bond the flexible layer and the rigid layer together. During the lamination process, the temperature, pressure and time need to be strictly controlled to ensure the bonding quality;

[0013] S5, post-processing: After the pressing is completed, the rigid-flexible board is cooled and unloaded, and then the subsequent process such as shape processing, drilling, and plating is carried out;

[0014] S6. Inspection: Perform appearance inspection, electrical test and mechanical performance test on the laminated rigid-flex board to ensure that it meets the design requirements;

[0015] Among them, the pressing part of the pressing machine in S4, the bottom end of the pressing part is provided with a transport part that circulates and reciprocates, the upper part of the transport part is provided with a carrier part that carries the hard-soft board material, and the two ends of the transport part are provided with receiving plates for receiving the hard-soft board after pressing, and the carrier part includes a fixed frame and a carrier plate of separate design, the fixed frame is fixedly connected to the upper surface of the transport part, the inside of the fixed frame is rotatably connected to the outer surface of the carrier plate, and the rotation of the carrier plate can carry out batch unloading operation of the hard-soft board carried on the surface;

[0016] The carrier part also includes a pushing member disposed inside the carrier plate to exert force on the rigid-flexible board to accelerate the unloading of the rigid-flexible board after lamination.

[0017] Furthermore, a second clamping plate is provided on the side of the fixing frame, and the second clamping plate is provided as a ladder-like structure;

[0018] A first clamping plate is provided on the inner wall side of the fixing frame, and the first clamping plate is arranged as a complementary ladder-shaped structure. The shape of the first clamping plate is designed to match the ladder-shaped structure of the second clamping plate, and the two are engaged with each other.

[0019] Furthermore, the inner wall of the fixing frame is symmetrically provided with fixing grooves, the interior of the fixing groove is dampingly connected with a slide plate, and the inner side of the fixing groove is rotatably connected to the outer surface of the linkage member.

[0020] Furthermore, a sliding groove is provided on the inner wall of the carrier plate, and a pushing piece is connected to the inside of the sliding groove. The pushing piece includes a telescopic elastic rod elastically connected to the bottom end of the sliding groove, and a push plate is elastically connected to the top of the telescopic elastic rod. In an initial state, the upper surface of the push plate is flush with the upper surface of the carrier plate, and fixed plates are fixedly connected at both ends of the carrier plate. The fixed plates are embedded in the inner wall of the fixing groove, and in an initial state, there is a gap between the fixed plate and the side of the skateboard.

[0021] Furthermore, the linkage part includes a main shaft rod located on the inner wall of the sliding groove. In the initial state, the main shaft rod is laid flat. At this time, the distance between the lower surface of the push plate and the inner wall of the sliding groove is the shortest. Fixed blocks are fixedly connected at both ends of the main shaft rod. A stop block is fixedly connected to the middle of the outer surface of the circular shaft of the fixed block. The other end of the fixed block is fixedly connected to a gear.

[0022] Furthermore, the transport part includes a transport plate, both sides of the transport plate are provided with slide grooves, the inner wall of the slide groove is symmetrically fixed with tooth plates, the side of the slide groove is provided with limit grooves for limiting the gears, the middle part of the transport plate is located directly below the pressing part and a push-down piece is provided to cooperate with the pressing part to perform the pressing operation, and both ends of the transport plate are provided with grooves for facilitating the tilting of the carrier plate for unloading.

[0023] Furthermore, a cleaning member is provided on the side of the carrier away from the receiving plate, and the cleaning member comprises a positioning frame fixedly connected to one side of the top of the carrier, and a scraper for cleaning the surface of the carrier is connected to the inner wall of the positioning frame.

[0024] Beneficial Effects

[0025] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

[0026] The present invention is provided with a detachable fixing frame and a carrier plate. When a soft-hard combination board has been pressed together and the carrier part carrying it drives the soft-hard combination board to move in the downward direction, the carrier plate gradually moves to the slotted area. Since the linkage parts are arranged at the three-divided position of the carrier plate, when the carrier plate moves to the slotted area and exceeds the center line position thereof, the carrier plate will rotate downwardly toward the fixing frame due to gravity. When the carrier plate rotates, the pressed soft-hard combination board carried on its upper surface will gradually slide along the inclined carrier plate to the upper surface of the receiving plate, thereby completing the unloading operation.

[0027] The present invention arranges the second and first pallet boards. Since the fixed frame is supported in all directions by the upper surface of the transport plate when it moves smoothly on the upper surface of the transport plate, the fixed frame and the carrier plate can be regarded as a load-bearing plate structure. The load-bearing plate structure will not rotate at this time, so as to avoid the protrusion of the rotating edge of the carrier plate during the movement to cause physical damage to the un-laminated soft-hard combination plate material. At the same time, it avoids the change in the distribution of the load-bearing plate structure as a supporting point or a supporting surface, resulting in the force borne by the flexible material being no longer uniform, and local stress concentration, i.e. excessive deformation or local depression, etc., may occur. At the same time, reducing the rotation of the internal structure of the load-bearing plate structure may cause the overall stability of the load-bearing plate structure to decrease, so that the stability of the material on the load-bearing surface becomes poor, and it is easy to slide or shift, resulting in a situation where the pressing efficiency is too low. Therefore, the present invention ensures the stability of the fixed frame and the carrier plate as the load-bearing structure through the coordinated arrangement of the second and first pallet boards.

[0028] The present invention provides a pushing piece, and the carrier plate rotates while driving the pushing piece to rotate synchronously, and the carrier plate and the pushing piece rotate around the main shaft rod. Since the main shaft rod of the pushing piece is set in a cam shape, when the carrier plate is tilted to unload the hard-soft combination board, the pushing piece rotates, so that the contact position between the pushing plate and the main shaft rod changes from the position with the minimum diameter of the main shaft rod to the position with the maximum diameter of the main shaft rod, thereby increasing the distance between the bottom end of the pushing plate and the bottom end of the inner wall of the carrier plate, and the pushing plate moves upward along the sliding groove to exert another thrust on the bottom end of the soft-hard combination board that moves downward, further increasing the speed at which the soft-hard combination board moves downward, and at the same time, the size of the pushing plate is larger than half the size of the hard-soft combination board. When the semi-fixed sheet of the hard-soft combination board melts, its components may flow and dissipate to other positions, and may even penetrate into the edge of the core board or the surface of the carrier board that supports it, the force exerted by the pushing plate can effectively help to release the adhesion between the hard-soft combination board and the carrier board by pushing the surface that exceeds half the size of the hard-soft combination board itself, thereby ensuring that the hard-soft combination board can slide from the inclined carrier board surface to the surface of the receiving board.

[0029] The present invention is provided with a linkage part, and the rotation of the fixed block drives the rotation of the resisting block. The rotation of the resisting block no longer limits one side of the slide plate. At this time, the carrier plate located in the slotted area reaches the maximum part, and the gravity force of the carrier plate rotating downward increases. Therefore, the thrust of the fixed plate on the slide plate increases, and the fixed plate pushes the unrestricted slide plate on the other side to continue to slide along the inner wall of the slide plate. At this time, the inclination angle of the carrier plate increases, and the gap with the side edge of the connecting plate increases. Clean debris falls off at a specific position and will not fall on the surface of the connecting plate, thereby keeping the surface of the connecting plate clean and avoiding the presence of falling debris on the surface of the connecting plate, which may cause damage to the bottom surface of the soft and hard pressed plate.

[0030] The present invention is provided with a carrier part which reciprocates on the surface of the transport part. After one carrier part moves to one side of the transport part to complete the unloading operation, the soft and hard combination board above the other carrier part is also pressed, and then the carrier part moves in the opposite direction along the upper surface of the transport part, and moves the soft and hard combination board above the other carrier part to the direction of the receiving plate in the other direction to perform the unloading operation at another station. The carrier part that completes the unloading moves in the opposite direction, and the fixed frame drives the carrier plate to move in the opposite direction, and rotates the carrier plate in the opposite direction under the limitation of the groove until the side of the carrier plate close to the unloading position also moves to the surface of the transport part, and the clamping plate 1 on the side of the fixed frame is clamped with the clamping plate 2 on the inner wall of the carrier plate again, and the fixed frame and the carrier plate are restored to the load-bearing plate structure state under the support of the transport part, and as the other carrier part enters the unloading state, the carrier part also enters the loading state, and then the next cycle is carried out. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0032] Figure 1 A schematic diagram of a process flow of an embodiment of the present invention;

[0033] Figure 2 A schematic diagram of a lamination process according to an embodiment of the present invention;

[0034] Figure 3 It is a schematic structural diagram of a carrier part in a flat state according to an embodiment of the present invention;

[0035] Figure 4 It is a schematic diagram of the separation structure of the carrier part according to an embodiment of the present invention;

[0036] Figure 5 is a schematic diagram of a cross-sectional structure of a carrier board according to an embodiment of the present invention;

[0037] Figure 6 A schematic diagram of a linkage connection structure according to an embodiment of the present invention;

[0038] Figure 7 It is the overall structure and partial enlarged schematic diagram of the transportation part of an embodiment of the present invention.

[0039] The numbers in the figure represent respectively: 1. Pressing part; 2. Carrier part; 21. Fixed frame; 211. Card plate 1; 212. Fixed groove; 213. Slide plate; 22. Carrier plate; 221. Card plate 2; 222. Sliding groove; 223. Fixed plate; 23. Pushing member; 231. Pushing plate; 232. Telescopic spring rod; 24. Linkage member; 241. Gear; 242. Fixed block; 243. Main shaft rod; 244. Stop block; 25. Cleaning member; 251. Positioning frame; 252. Scraper; 3. Transport part; 31. Transport plate; 32. Slide groove; 33. Tooth plate; 34. Limiting groove; 35. Pushing member; 36. Slotting; 4. Receiving plate. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] The present invention will be further described below in conjunction with the embodiments.

[0042] Example:

[0043] See also Figure 1-Figure 7 The present invention provides a technical solution for the lamination process of a rigid-flexible board. The lamination process includes the following steps:

[0044] S1. Material preparation: prepare a flexible circuit layer, which is usually made of polyimide or other flexible materials; prepare a rigid circuit layer, which is usually made of FR-4 or other rigid materials; prepare an adhesive layer for bonding the flexible layer and the rigid layer together;

[0045] S2, pre-processing: drilling, patterning, etching and other processes are performed on the flexible layer and the rigid layer to form a circuit pattern, and the surfaces of the flexible layer and the rigid layer are cleaned and processed to ensure a good bonding effect;

[0046] S3, stacking: stack the processed flexible layer and rigid layer in a carrier according to the design requirements, and add an adhesive layer in the middle;

[0047] S4, Lamination: The laminated rigid-flexible board is heated and pressurized by a laminating machine to solidify the adhesive layer and firmly bond the flexible layer and the rigid layer together. During the lamination process, the temperature, pressure and time need to be strictly controlled to ensure the bonding quality;

[0048] S5, post-processing: After the pressing is completed, the rigid-flexible board is cooled and unloaded, and then the subsequent process such as shape processing, drilling, and plating is carried out;

[0049] S6. Inspection: Perform appearance inspection, electrical test and mechanical performance test on the pressed rigid-flex board to ensure that it meets the design requirements.

[0050] like Figure 1 The pressing machine shown includes a pressing part 1, a carrier part 2, a transport part 3 and a receiving plate 4. The structure of the pressing part 1 is the same as the structural principle of the pressing machine in the prior art, and is used to press the stacked soft and hard board materials. The transport part 3 is arranged below the pressing part 1, and two carrier parts 2 for carrying the stacked soft and hard board materials are evenly arranged above the transport part 3. Receiver plates 4 for carrying the unloading of the soft and hard combined board after pressing are arranged at obliquely lower positions at both ends of the transport part 3.

[0051] like Figure 5 , Figure 3 and Figure 4The carrier part 2 includes a fixed frame 21 arranged above the transportation part 3, and the inner wall of the fixed frame 21 is slidably connected with a carrier plate 22, and the side of the carrier plate 22 is fixedly connected with a second card plate 221, and one side of the inner wall of the fixed frame 21 is set as a card plate 1 211, and the second card plate 221 is set as a ladder structure. The shape design of the card plate 1 211 matches the ladder structure of the second card plate 221, so the second card plate 221 can only rotate away from the direction below the card plate 1 211. When the card plate 221 moves upward, it will be limited by the card plate 1 211, and the carrier plate 22 can only move to a position flush with the upper surface of the fixed frame 21. The transportation part 3 includes a transportation plate 31 located below the carrier part 2, and slots 36 are provided at both ends of the transportation plate 31. The size of the slot 36 is larger than the size of the fixed frame 21, and a push-down member 35 cooperating with the transportation part 3 is provided on the upper surface of the transportation plate 31 below the pressing part 1.

[0052] like Figure 2 As shown, two carrier parts 2 are placed on the transport plate 31 in sequence, and one of the carrier parts 2 moves toward the pressing part 1 under the restriction of the transport plate 31 after carrying the stacked materials, and the carrier part 2 completes the pressing process under the joint action of the bottom push-down piece 35 and the pressing piece in the top pressing part 1, and presses the stacked hard-soft board materials into hard-soft board. When the carrier part 2 enters the pressing part 1 for the pressing operation, the other carrier part 2 is located in the loading area for the loading and stacking operation. When the upper carrier part 2 completes the pressing and unloading after cooling, the carrier part 2 that completes the loading and stacking operation then enters the inside of the pressing part 1 for the pressing operation.

[0053] In the rigid-flex board Figure 2 In the state shown in the figure, that is, a soft-hard combination board has been pressed together, and the carrier part 2 carrying it drives the soft-hard combination board to move in the downward direction, and the carrier plate 22 gradually moves to the groove 36 area. Since the linkage member 24 is arranged at the three-divided position of the carrier plate 22, when the carrier plate 22 moves to the groove 36 area and exceeds its center line position, the carrier plate 22 will rotate downwardly toward the fixing frame 21 due to gravity. The carrier plate 22 rotates, and the pressed soft-hard combination board carried on its upper surface will gradually slide along the inclined carrier plate 22 to the upper surface of the receiving plate 4, completing the unloading operation.

[0054] Since the fixed frame 21 is supported in all directions by the upper surface of the transport plate 31 when it moves smoothly on the upper surface of the transport plate 31, the fixed frame 21 and the carrier plate 22 can be regarded as a load-bearing plate structure, which will not rotate at this time, so as to avoid the protrusion of the rotating edge of the carrier plate 22 causing physical damage to the un-laminated soft-hard combination board material during the movement, and at the same time avoid changes in the distribution of the load-bearing plate structure serving as a support point or a support surface, resulting in the force borne by the flexible material being no longer uniform, and local stress concentration, i.e. excessive deformation or local depression, etc., may occur. At the same time, reducing the rotation of the internal structure of the load-bearing plate structure may cause the overall stability of the load-bearing plate structure to decrease, making the stability of the material on the load-bearing surface worse, easy to slide or shift, and resulting in a situation where the pressing efficiency is too low. Therefore, the present invention ensures the stability of the position of the fixed frame 21 and the carrier plate 22 as the load-bearing structure through the coordinated arrangement of the clamping plate 221 and the clamping plate 221.

[0055] refer to Figure 4 , Figure 5 and Figure 6 A sliding groove 222 is provided inside the carrier plate 22, a pusher 23 is provided inside the sliding groove 222, a main shaft 243 of a linkage member 24 is provided through the middle of the sliding groove 222, and the linkage member 24 also includes a fixed block 242 fixedly connected to both ends of the main shaft 243, a stopper 244 is fixedly connected to the outer surface of the circular shaft of the fixed block 242, the fixed block 242 is located inside the fixed groove 212, and the stopper 244 is fitted with one side of the slide plate 213, the slide plate 213 is dampedly connected to the fixed groove 212, the fixed block 242 is dampedly connected to the slide plate 213, the other end of the fixed block 242 is fixedly connected to a gear 241, and a fixed plate 223 is fixedly connected to the side of the carrier plate 22, the fixed plate 223 is located inside the fixed groove 212, and there is a gap between the fixed plate 223 and the other side of the slide plate 213. Reference Figure 7 The transport part 3 also includes slide grooves 32 on both sides of the transport plate 31, and the inner wall side of the slide groove 32 is provided with a limiting groove 34 for limiting the gear 241. The bottom end of the inner wall of the slide groove 32 is symmetrically fixedly connected with a tooth plate 33 near the receiving plate 4, and the top end of the tooth plate 33 is meshed with the bottom end of the scraper 252.

[0056] The rotation of the carrier plate 22 drives the fixed plate 223 fixedly connected thereto to rotate, and the fixed plate 223 rotates inside the fixing groove 212. When the carrier plate 22 is tilted at a certain angle to unload the soft and hard combination board carried on the surface, the fixed plate 223 contacts the side of the slide plate 213, and the slide plate 213 that damps the rotation of the fixed plate 223 with the fixing groove 212 limits the rotation of the fixed plate 223. At the same time, the stop block 244 that becomes fitted with the other side of the slide plate 213 limits the rotation of the fixed plate 223 again. Under the action of multiple sets of limit positions, the bottom end of the inclined carrier plate 22 is flush with the side edge of the upper surface of the receiving plate 4, and the soft and hard combination board carried on the upper surface of the carrier plate 22 is smoothly slid to the surface of the receiving plate 4. At this time, the carrier plate 22 is in an inclined state, and the side edge of the carrier plate 22 does not overlap with the side edge of the receiving plate 4, and the receiving plate 4 will not hinder the subsequent rotation of the carrier plate 22.

[0057] refer to Figure 5 and Figure 4 The push member 23 includes a telescopic spring rod 232 elastically connected to the bottom end of the inner wall of the sliding groove 222, and a push plate 231 is elastically connected to the top of the telescopic spring rod 232. The side of the push plate 231 is slidably connected to the sliding groove 222. In the initial state, Figure 5 As shown, the position where the main shaft rod 243 contacts the bottom end of the push plate 231 and the inner wall of the sliding groove 222 is the minimum size of the main shaft rod 243, and the main shaft rod 243 is located directly below the push plate 231.

[0058] The carrier plate 22 rotates while driving the pusher 23 to rotate synchronously. The carrier plate 22 and the pusher 23 rotate around the main shaft rod 243. Since the main shaft rod 243 is set in a cam shape, the pusher 23 rotates while the carrier plate 22 tilts to unload the hard-soft combination board, so that the contact position between the pusher 231 and the main shaft rod 243 changes from the position with the minimum diameter of the main shaft rod 243 to the position with the maximum diameter of the main shaft rod 243, thereby increasing the distance between the bottom end of the pusher 231 and the bottom end of the inner wall of the carrier plate 22. The pusher 231 moves up along the sliding groove 222 to contact the bottom end of the hard-soft combination board that moves downward. Additional thrust is applied to further increase the downward movement rate of the rigid-flexible board. At the same time, the size of the push plate 231 is larger than half the size of the rigid-flexible board. When the semi-fixed sheet of the rigid-flexible board melts, its components may flow and escape to other locations, and may even penetrate into the edge of the core board or the surface of the carrier 22 that supports it. The force applied by the push plate 231 can effectively help release the bond between the rigid-flexible board and the carrier 22 by pushing the surface that exceeds half the size of the rigid-flexible board itself, thereby ensuring that the rigid-flexible board can slide from the inclined surface of the carrier 22 to the surface of the receiving plate 4.

[0059] refer to Figure 2 , Figure 3 , Figure 4 and Figure 5The fixed frame 21 sliding along the surface of the transport portion 3 drives the carrier plate 22 carrying the pressed soft and hard combination board to move synchronously. After the carrier plate 22 rotates a certain angle to complete the unloading operation, the fixed frame 21 drives the gear 241 to move to one end of the slide groove 32. During this process, the gear 241 is meshed and connected with the toothed plate 33. The gear 241 rotates while moving along the toothed plate 33. The rotation of the gear 241 drives the fixed block 242 to rotate. The rotation of the fixed block 242 drives the main shaft rod 243 to rotate. The main shaft rod 243 rotates until the main shaft rod 243 is in contact with the bottom end of the push plate 231 and the inner wall of the sliding groove 222. The maximum diameter of the main shaft rod 243 changes to the minimum diameter of the main shaft rod 243. The telescopic elastic rod 232 recovers its elastic deformation and pulls the push plate 231 back to the inner wall of the sliding groove 222 again, so that the surface of the sliding groove 222 is flush with the upper surface of the fixed frame 21, so as to avoid the protrusion of the push plate 231 interfering with the subsequent cleaning steps.

[0060] The rotation of fixed block 242 drives the rotation of resisting block 244, and the rotation of resisting block 244 no longer limits one side of slide plate 213. At this time, the carrier plate 22 located in the groove 36 area reaches the maximum part, and the gravity force of the carrier plate 22 rotating downward increases. Therefore, the thrust of fixed plate 223 on slide plate 213 increases, and fixed plate 223 pushes the unrestricted slide plate 213 on the other side to continue to slide along the inner wall of slide plate 213. At this time, the inclination angle of carrier plate 22 increases, and the gap with the side edge of receiving plate 4 increases. Clean debris falls off at a specific position and will not fall on the surface of receiving plate 4, keeping the surface of receiving plate 4 clean and avoiding the presence of falling debris on the surface of receiving plate 4 causing damage to the bottom surface of the soft and hard pressed plate.

[0061] refer to Figure 4 and Figure 5 A cleaning member 25 is provided above the side of the carrier 22 away from the receiving plate 4. The cleaning member 25 includes a positioning frame 251 fixedly connected to the top of the carrier 22, a scraper 252 is provided on the inner side of the positioning frame 251, and a telescopic member is provided on the side of the scraper 252 close to the positioning frame 251. The driving switch of the telescopic member is electrically connected to the sensors at both ends of the inner wall of the slide groove 32. When the gear 241 moves to the edge of the slide groove 32, the sensor can be triggered. The sensor feedback information drives the switch to control the extension of the telescopic member. The extension of the telescopic member drives the scraper 252 to move. The scraper 252 slides along the surface of the carrier 22 to scrape off the melted residue of the semi-fixed sheet remaining on the surface of the carrier 22.

[0062] like Figure 1As shown, after one of the carrier parts 2 moves to one side of the transportation part 3 to complete the unloading operation, the soft and hard combination board on the other carrier part 2 is also pressed, and then the carrier part 2 moves in the opposite direction along the upper surface of the transportation part 3, and moves the soft and hard combination board on the other carrier part 2 to the receiving plate 4 in the other direction to perform the unloading operation at another station, and the carrier part 2 that completes the unloading moves in the opposite direction, and the fixed frame 21 drives the carrier plate 22 to move in the opposite direction, and rotates the carrier plate 22 in the opposite direction under the restriction of the slot 36 until the side of the carrier plate 22 close to the unloading position is also moved to the surface of the transportation part 3, and the clamping plate 1 211 on the side of the fixed frame 21 and the clamping plate 2 221 on the inner wall of the carrier plate 22 are clamped again, and the fixed frame 21 and the carrier plate 22 are restored to the load-bearing plate structure state under the support of the transportation part 3, and as the other carrier part 2 enters the unloading state, the carrier part 2 also enters the loading state, and then the next cycle is carried out.

[0063] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A rigid-flexible board lamination process, characterized in that: include: S1. Material preparation: Prepare the flexible circuit layer, which is usually made of polyimide or other flexible materials; Prepare a rigid circuit layer, usually made of FR-4 or other rigid materials; prepare an adhesive layer for bonding the flexible layer and the rigid layer together; S2, pre-processing: drilling, patterning, etching and other processes are performed on the flexible layer and the rigid layer to form a circuit pattern, and the surfaces of the flexible layer and the rigid layer are cleaned and processed to ensure a good bonding effect; S3, stacking: stack the processed flexible layer and rigid layer in the carrier according to the design requirements, add an adhesive layer in the middle, and place the stacked rigid-flex board in the carrier; S4, Lamination: The laminated rigid-flexible board is heated and pressurized by a laminating machine to solidify the adhesive layer and firmly bond the flexible layer and the rigid layer together. During the lamination process, the temperature, pressure and time need to be strictly controlled to ensure the bonding quality; S5, post-processing: After the pressing is completed, the rigid-flexible board is cooled and unloaded, and then the subsequent process such as shape processing, drilling, and plating is carried out; S6. Inspection: Perform appearance inspection, electrical test and mechanical performance test on the laminated rigid-flex board to ensure that it meets the design requirements; The pressing machine in S4 comprises a pressing part (1), a transport part (3) which reciprocates in a circular motion is arranged at the bottom of the pressing part (1), a carrier part (2) which carries the hard-soft combined board material is arranged above the transport part (3), receiving plates (4) for receiving the hard-soft combined board after pressing are arranged at the lower sides of both ends of the transport part (3), the carrier part (2) comprises a fixed frame (21) and a carrier plate (22) which are designed separately, the fixed frame (21) is fixedly connected to the upper surface of the transport part (3), the interior of the fixed frame (21) is rotatably connected to the outer surface of the carrier plate (22), and the carrier plate (22) can be rotated to carry out batch unloading operation on the hard-soft combined boards carried on the surface; The carrier part (2) further comprises a pushing member (23) disposed inside the carrier plate (22) for applying a force to the rigid-flexible board to accelerate the unloading of the rigid-flexible board after lamination.

2. A rigid-flexible board lamination process according to claim 1, characterized in that: A second clamping plate (221) is arranged on the side of the fixing frame (21), and the second clamping plate (221) is arranged in a ladder-like structure; A first clamping plate (211) is provided on the inner wall side of the fixing frame (21), and the first clamping plate (211) is configured as a complementary ladder-shaped structure. The shape of the first clamping plate (211) is designed to match the ladder-shaped structure of the second clamping plate (221), and the two are mutually engaged.

3. A rigid-flexible board lamination process according to claim 2, characterized in that: The inner wall of the fixing frame (21) is symmetrically provided with fixing grooves (212), the interior of the fixing groove (212) is dampingly connected with a slide plate (213), and the inner side of the fixing groove (212) is rotatably connected to the outer surface of the linkage member (24).

4. A rigid-flexible board lamination process according to claim 3, characterized in that: The inner wall of the carrier plate (22) is provided with a sliding groove (222), and a pushing member (23) is connected inside the sliding groove (222). The pushing member (23) comprises a telescopic elastic rod (232) elastically connected to the bottom end of the sliding groove (222), and a pushing plate (231) is elastically connected to the top end of the telescopic elastic rod (232). In an initial state, the upper surface of the pushing plate (231) is flush with the upper surface of the carrier plate (22). Fixed plates (223) are fixedly connected at both ends of the carrier plate (22), and the fixed plates (223) are embedded in the inner wall of the fixing groove (212), and in an initial state, there is a gap between the fixed plates (223) and the side of the sliding plate (213).

5. A rigid-flexible board lamination process according to claim 4, characterized in that: The linkage member (24) includes a main shaft rod (243) located on the inner wall of the sliding groove (222). In an initial state, the main shaft rod (243) is placed flat. At this time, the distance between the lower surface of the push plate (231) and the inner wall of the sliding groove (222) is the shortest. The two ends of the main shaft rod (243) are fixedly connected to fixed blocks (242). The middle part of the outer surface of the circular shaft of the fixed block (242) is fixedly connected to a stop block (244). The other end of the fixed block (242) is fixedly connected to a gear (241).

6. A rigid-flexible board lamination process according to claim 5, characterized in that: The transporting part (3) comprises a transporting plate (31), and slide grooves (32) are provided on both sides of the transporting plate (31). Tooth plates (33) are symmetrically fixed on the inner wall of the slide groove (32). A limiting groove (34) for limiting the gear (241) is provided on the side of the slide groove (32). A push-down member (35) for cooperating with the pressing part (1) to perform a pressing operation is provided in the middle of the transporting plate (31) and located directly below the pressing part (1). Slots (36) are provided at both ends of the transporting plate (31) for facilitating the inclined unloading of the carrier plate (22).

7. The rigid-flexible board lamination process according to claim 1, characterized in that: A cleaning member (25) is provided on a side of the carrier plate (22) away from the receiving plate (4), the cleaning member (25) comprising a positioning frame (251) fixedly connected to one side of the top end of the carrier plate (22), the inner wall of the positioning frame (251) being connected to a scraper (252) for cleaning the surface of the carrier plate (22).

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