Large-size PCB melting, riveting and pre-stacking integrated device and method

Abstract

The invention discloses a large-size PCB fusing, riveting and pre-stacking integrated device and method. The device comprises a first PP feeding machine, a second PP feeding machine, a PP alignment machine, a core board feeding machine, a core board alignment machine, an automatic fusing machine, an automatic riveting machine, a first movable board suction machine, a second movable board suction machine, a third movable board suction machine and a discharging machine. A first conveying mechanism is arranged on the automatic fusing machine, and the two ends of the first conveying mechanism protrude out of the automatic fusing machine and serve as a pre-stacking workbench and a discharging workbench correspondingly. A second conveying mechanism is arranged on the automatic riveting machine, and the two ends of the second conveying mechanism protrude out of the automatic riveting machine and serve as a riveting feeding table and a riveting discharging table correspondingly. According to the invention, a connecting line operation mode is applied, the pre-stacking, fusing and riveting processes before fusing and the pre-arranging processes before pressing are integrated together, full-automatic production is formed, the labor cost is low, the boards do not need to be carried between the two processes, the problems that the board surface of the core board is scratched and the circuit is broken due to collision are avoided, and the fusing and riveting quality is improved.

Description

Technical Field

[0001] The invention relates to the technical field of printed circuit board manufacturing, and in particular to a large-size PCB fusion riveting pre-stacking integrated device and method. Background Art

[0002] During the lamination process of printed circuit boards, in order to ensure the alignment between the core boards of the laminated structure, it is necessary to first fuse and rivet to fix the core boards to avoid inter-layer slippage; the specific process is as follows: browning - fusion - riveting - pre-arrangement - lamination.

[0003] Fusion principle: stack the etched and punched inner core board and the PP required for lamination and fuse them together.

[0004] Riveting: The core board is fixed by high-speed impact rivets inserted into the positioning holes on the core board to form a flower surface.

[0005] However, the above process has the following defects:

[0006] 1. Poor quality control. The handling between the two processes can easily lead to scratches on the core board and broken circuits on the board.

[0007] 2. Each work section requires manual operation, resulting in high labor costs. Summary of the invention

[0008] In view of the above-mentioned existing technical defects, the present invention provides an integrated device and method for fusion riveting and pre-stacking of large-size PCBs, which integrates the pre-stacking processes before fusion, fusion, riveting and pre-arrangement before pressing, and combines the fusion, riveting and pre-stacking sections to form a fully automated production with low labor costs. There is no need to transport the plates between the two processes, which avoids scratches on the core board surface and circuit breakage, thereby improving the quality of fusion riveting.

[0009] In the first aspect, in order to solve the above technical problems, the present invention provides a large-size PCB fusion riveting pre-stacking integrated device, including a first PP feeder, a second PP feeder, a PP alignment machine, a core board feeder, a core board alignment machine, an automatic fusion machine, an automatic riveting machine, a first movable board suction machine, a second movable board suction machine, a third movable board suction machine and a discharge machine; the automatic fusion machine is provided with a first conveying mechanism, and both ends of the first conveying mechanism protrude from the automatic fusion machine, respectively serving as a pre-stacking workbench and a discharge workbench; the automatic riveting machine is provided with a second conveying mechanism, and both ends of the second conveying mechanism protrude from the automatic riveting machine, respectively serving as a riveting feeding table and a riveting discharge table;

[0010] Wherein, the first PP feeder is used to transport the PPs drilled with rivet holes to the PP alignment machine one by one;

[0011] The PP alignment machine is used to identify the rivet holes on the PP and adjust the position of the PP;

[0012] The core plate feeding machine is used to transport the core plates drilled with rivet holes to the core plate alignment machine one by one;

[0013] The core plate alignment machine is used to identify the rivet holes on the core plate and adjust the position of the core plate;

[0014] The first movable plate suction machine sucks the core plate on the core plate alignment machine and the PP on the PP alignment machine according to the stacking order and transports them to the pre-stacking workbench, so that the core plate and the PP are pre-stacked together in order to form a stacked plate;

[0015] The first conveying mechanism is used to convey the superimposed plates to the automatic fusion machine and the discharging workbench in sequence;

[0016] The automatic fusing machine is used to fuse the superimposed plates entering therein;

[0017] The second movable plate suction machine is used to transport the superimposed plates on the discharge workbench to the riveting feed table;

[0018] The second conveying mechanism is used to sequentially convey the superimposed plates on the riveting feed table to the automatic riveting machine and the riveting discharge table;

[0019] The automatic riveting machine is used to rivet the laminated plates entering therein;

[0020] The third movable plate suction machine is used to transport the superimposed plates on the riveting discharge table to the discharge machine;

[0021] The second PP loading machine is used to convey the secondary outer layer PP to the discharging machine and pre-stack it with the stacking plate in sequence.

[0022] Furthermore, the first PP loader includes a PP feeding position, a first temporary storage position, a second temporary storage position and a first moving mechanism. The PP feeding position is used to dock with the AGV cart that transports PP. The first temporary storage position and the second temporary storage position are both used to store PP. The first moving mechanism is used to transport the PP on the first temporary storage position and the second temporary storage position to the PP alignment machine.

[0023] Furthermore, the first PP feeders include three side-by-side feeders for conveying three different PP models respectively.

[0024] Furthermore, the PP alignment machine includes a PP temporary storage position, a PP alignment station, a second moving mechanism and a CCD arranged above the PP alignment station; the PP temporary storage position is arranged on one side of the first PP loader, and the PP temporary storage position is used to receive the PP delivered by the first moving mechanism; the second moving mechanism is used to move the PP on the PP temporary storage position to the PP alignment station, and at the same time, the CCD is used to identify the rivet holes on the PP to adjust the position of the PP moved to the PP alignment station.

[0025] Furthermore, the core board loading machine includes a core board loading position, a core board temporary storage position and a third moving mechanism, and the third moving mechanism is used to move the core boards stacked on the core board loading position to the core board temporary storage position one by one and transport the core boards on the core board temporary storage position to the core board alignment machine.

[0026] Furthermore, the core board alignment machine includes a core board alignment station and a CCD arranged above the core board alignment station. When the core board is conveyed to the core board alignment station, the CCD is used to identify the rivet holes on the core board to adjust the position of the core board when it is moved to the core board alignment station.

[0027] Furthermore, the second PP loader includes a feeding position, a first PP temporary storage position, a second PP temporary storage position and a fourth moving mechanism. The feeding position is used to dock with the AGV cart that transports PP, the first PP temporary storage position and the second PP temporary storage position are both used to store PP, and the fourth moving mechanism is used to transport the PP on the first PP temporary storage position and the second PP temporary storage position to the discharge machine.

[0028] Furthermore, the feeding position is a groove position for the AGV trolley to enter.

[0029] Furthermore, the discharge machine includes a first pre-ranking position and a second pre-ranking position arranged in an arranged manner, and the first pre-ranking position and the second pre-ranking position are both used for pre-stacking the core board and the secondary outer layer PP.

[0030] In a second aspect, the present invention further provides a method for fusion riveting and pre-stacking of a large-size PCB, wherein the PCB is fusion riveted and pre-stacking processed by using the large-size PCB fusion riveting and pre-stacking integrated device as described in any one of the first aspects, and the method comprises the following steps:

[0031] S1, the PP with rivet holes drilled in it is transported one by one to the PP alignment machine through the first PP feeder;

[0032] S2, the PP alignment machine identifies the rivet holes on the conveyed PP and adjusts the position of the PP;

[0033] S3, the core plates with rivet holes drilled therein are transported one by one to the core plate alignment machine through the core plate feeding machine;

[0034] S4, using the core plate alignment machine to identify the rivet holes on the delivered core plate and adjust the position of the core plate;

[0035] S5, according to the stacking order, the core plates on the core plate alignment machine and the PPs on the PP alignment machine are respectively sucked one by one by the first mobile plate sucking machine and transported to the pre-stacking workbench, so that multiple core plates and a plurality of PPs are pre-stacking together in order to form a stacked plate;

[0036] S6, conveying the superimposed plates to the automatic fusing machine and the discharging workbench in sequence through the first conveying mechanism, and after entering the automatic fusing machine, the superimposed plates are fused by the automatic fusing machine so that the superimposed plates are fused together, and after the fusion is completed, the superimposed plates are conveyed to the discharging workbench;

[0037] S7, transporting the superimposed plate on the discharge workbench to the riveting feed table by means of a second movable plate suction machine;

[0038] S8, conveying the composite plates on the riveting feed table to the automatic riveting machine and the riveting discharge table in sequence through the second conveying mechanism, and after the composite plates enter the automatic riveting machine, riveting the composite plates through the automatic riveting machine, so that the composite plates are riveted and fixed together, and after the riveting is completed, conveying the composite plates to the riveting discharge table;

[0039] S9. According to the pre-arranged stacking order of the sub-outer layer, the sub-outer layer PP and the stacked plate on the riveted discharge table are respectively transported to the discharge machine by the second PP loader and the third mobile plate suction machine and pre-stacked together to form a pressed pre-arranged plate.

[0040] Compared with the prior art, the present invention has the following beneficial effects:

[0041] The present invention adopts the online operation mode, and builds together the first PP feeder, the second PP feeder, the PP alignment machine, the core plate alignment machine, the core plate feeder, the automatic fusion machine, the automatic riveting machine, the first mobile plate suction machine, the second mobile plate suction machine, the third mobile plate suction machine and the discharge machine to realize the continuity and full-automatic production of pre-stacking, fusing, riveting and pre-arranging of plates. There is no need to transport the plates during the production process, which avoids the problems of scratches on the core plate surface and line breakage, improves the quality of fusion and riveting, reduces labor intensity, and has low labor costs.

[0042] Additional aspects and advantages of the present invention will be given in part in the following description, which will become obvious from the following description, or may be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a schematic diagram of a large-size PCB fusion riveting pre-stacking integrated device in an embodiment. DETAILED DESCRIPTION

[0044] In order to more fully understand the technical content of the present invention, the present invention will be further introduced and explained in conjunction with the accompanying drawings and specific embodiments below; it should be noted that if there are descriptions such as "first", "second", etc. in the text, they are used to distinguish different components, etc., and do not represent the order of precedence, nor do they limit the "first" and "second" to be different types.

[0045] Example 1

[0046] like Figure 1 As shown, a large-size PCB fusion riveting and pre-stacking integrated device shown in this embodiment includes a first PP feeder 1, a second PP feeder 2, a PP alignment machine 3, a core board feeder 4, a core board alignment machine 5, an automatic fusion machine 6, an automatic riveting machine 7, a first movable board suction machine 8, a second movable board suction machine 9, a third movable board suction machine 10 and a discharge machine 20; the automatic fusion machine 6 is provided with a first conveying mechanism 61, and both ends of the first conveying mechanism 61 protrude from the automatic fusion machine 6, respectively serving as a pre-stacking workbench 62 and a discharge workbench 63; the automatic riveting machine 7 is provided with a second conveying mechanism 71, and both ends of the second conveying mechanism 71 protrude from the automatic riveting machine 7, respectively serving as a riveting feeding table 72 and a riveting discharging table 73; the specific arrangement relationship of each mechanism is as shown in the figure. Figure 1 As shown: the transversely arranged automatic fusion machine 6 is used as the distribution center line of the entire device, the core plate alignment machine 5 and the PP alignment machine 3 are respectively arranged on both sides of the pre-stacking workbench 62, the core plate loading machine 4 is located on the side of the core plate alignment machine 5 away from the pre-stacking workbench 62, the first PP feeder 1 is located on the side of the PP positioning machine 3 away from the pre-stacking workbench 62, the longitudinally arranged automatic riveting machine 7 is located on the side of the discharging workbench 63 away from the first PP feeder 1, so that the automatic riveting machine 7 is arranged in parallel with the core plate loading machine 4, the discharging machine 20 is located on the side of the automatic riveting machine 7 away from the discharging workbench 63, and the second PP feeder 2 is located on the side of the discharging machine 20 away from the automatic riveting machine 7. This distribution arrangement is convenient for online automated production, and the overall volume is relatively small.

[0047] The first PP loading machine 1 is connected to the AGV trolley for external PP transportation, and is used to transport the PPs drilled with rivet holes to the PP alignment machine 3 one by one;

[0048] After receiving the PP delivered by the first PP feeder 1, the PP alignment machine 3 identifies the rivet holes on the PP and adjusts the position of the PP;

[0049] The core board loading machine 4 is docked with the AGV trolley for external core board transportation, and is used to transport the core boards drilled with rivet holes to the core board alignment machine 5 one by one;

[0050] After receiving the core plate delivered by the core plate feeder 4, the core plate alignment machine 5 is used to identify the rivet holes on the core plate and adjust the position of the core plate so that the positions of the rivet holes on the core plate and the PP correspond to each other when stacking the plates;

[0051] The first movable plate sucking machine 8 sucks the core plate on the core plate alignment machine and the PP on the PP alignment machine according to the stacking order and transports them to the pre-stacking workbench 62, so that the core plate and the PP are pre-stacking together in order to form a stacked plate;

[0052] The first conveying mechanism 61 is used to sequentially convey the laminated plates on the pre-lamination workbench 62 to the automatic fusion machine 6 and the discharge workbench 63;

[0053] The automatic fusing machine 6 is used to perform fusing treatment on the laminated plates entering therein, so that the core plate and the PP are fused and fixed together;

[0054] The second movable plate suction machine 9 is used to transport the laminated plates on the discharge workbench 63 to the riveting feed table 72;

[0055] The second conveying mechanism 71 is used to sequentially convey the laminated plates on the riveting feed table 72 to the automatic riveting machine 7 and the riveting discharge table 73;

[0056] The automatic riveting machine 7 is used to perform riveting on the laminated plates entering therein;

[0057] The third mobile plate suction machine 10 is used to transport the laminated plate on the riveting discharge table 72 to the discharge machine 20;

[0058] The second PP feeder 2 is used to convey the secondary outer layer PP to the discharger 20 and pre-stack it with the stacking plates in sequence, completing the pre-plate arrangement process before lamination.

[0059] In one embodiment, the first PP loader 1 includes a PP feeding position 11, a first temporary storage position 12, a second temporary storage position 13 and a first moving mechanism 14. The PP feeding position 11 is used to dock with the AGV cart that transports PP. The first temporary storage position 12 and the second temporary storage position 13 are both used to store PP of the same model. The PP on the AGV cart can be transported to the first temporary storage position 12 and the second temporary storage position 13 one by one by manual or vacuum adsorption mechanism. The first moving mechanism 14 is used to transport the PP on the first temporary storage position 12 and the second temporary storage position 13 to the PP alignment machine 3; by setting up two temporary storage positions, two pieces of PP can be placed at the same time, solving the problem of low PP transportation efficiency at the same station during continuous pre-stacking.

[0060] In another embodiment, if Figure 1As shown, the first PP feeder 1 includes three side-by-side ones, which are used to convey three different PP models respectively, and are used when three different models of PP need to be stacked between core boards. It can be understood that when there is only one type of PP stacked between core boards, only one of the PPs on the first PP feeder 1 can be used for stacking; when there are two types of PP stacked between core boards, two of the PPs on the first PP feeders 1 can be used for stacking; when there are three types of PP stacked between core boards, three PPs on the first PP feeders 1 are used for stacking at the same time.

[0061] In one embodiment, the PP alignment machine 3 includes a PP temporary storage position 31, a PP alignment station 32, a second moving mechanism 33 and a CCD30 arranged above the PP alignment station 32; the PP temporary storage position 31 is arranged on one side of the first PP feeder 1, and the PP temporary storage position 31 is used to receive the PP conveyed by the first moving mechanism 14; the second moving mechanism 33 is used to move the PP on the PP temporary storage position 31 to the PP alignment station 32, and at the same time, the CCD30 is used to identify the rivet holes on the PP to adjust the position of the PP moved to the PP alignment station 32; the existence of the PP temporary storage position 31 can also improve the production efficiency of continuous stacking. When the PP on the PP alignment station 32 is conveyed outward, the PP on the PP temporary storage position 31 can be transferred to the PP alignment station 32 in time, and at the same time, the PP on the first PP feeder 1 can also be synchronously transferred to the PP temporary storage position 31 for standby.

[0062] In one embodiment, the core board loading machine 4 includes a core board loading position 41, a core board temporary storage position 42 and a third moving mechanism 43. The third moving mechanism 43 is used to move the core boards stacked on the core board loading position 41 to the core board temporary storage position 42 one by one and to transport the core boards on the core board temporary storage position 42 to the core board alignment machine 5.

[0063] In one embodiment, the core board alignment machine 5 includes a core board alignment station 51 and a CCD30 disposed above the core board alignment station 51. When the core board is conveyed to the core board alignment station 51, the CCD30 is simultaneously used to identify the rivet holes on the core board to adjust the position of the core board when it is moved to the core board alignment station.

[0064] In one embodiment, the second PP loader 2 includes a feeding position 21, a first PP temporary storage position 22, a second PP temporary storage position 23 and a fourth moving mechanism 24. The feeding position 21 is used to dock with the AGV cart for transporting PP. The first PP temporary storage position 22 and the second PP temporary storage position 23 are both used to store PP of the same or different models. The PP on the AGV cart can be transported to the first temporary storage position 22 and the second temporary storage position 23 one by one by manual or vacuum adsorption mechanism. The fourth moving mechanism 24 is used to transport the PP on the first PP temporary storage position 22 and the second PP temporary storage position 23 to the discharge machine 20; by setting up two temporary storage positions, two pieces of PP can be placed at the same time, solving the problem of low PP transportation efficiency at the same station during continuous pre-arrangement.

[0065] Preferably, the PP feeding position 11 and the feeding position 21 are recessed positions into which an AGV can enter.

[0066] In one embodiment, the discharge machine 10 includes a first pre-arrangement position 100 and a second pre-arrangement position 101 arranged in an arranged manner. The first pre-arrangement position and the second pre-arrangement position are both used for pre-stacking the core board and the secondary outer layer PP, so that the alternating pre-arrangement operation between the two laminated boards and the PP can be completed, thereby improving the pre-arrangement efficiency.

[0067] In other embodiments, the first conveying mechanism and the second conveying mechanism may adopt existing roller conveyors or belt conveyors.

[0068] In other embodiments, the first movable plate suction machine, the second movable plate suction machine, the third movable plate suction machine, and the fourth movable plate suction machine can all adopt existing vacuum adsorption conveying devices.

[0069] In other embodiments, the first moving mechanism, the second moving mechanism, the third moving mechanism, and the first moving mechanism may all adopt existing vacuum adsorption type conveying devices.

[0070] Example 2

[0071] A method for fusion riveting and pre-stacking of a large-size PCB shown in this embodiment uses the large-size fusion riveting and pre-stacking integrated device as described in Example 1 to perform fusion riveting and pre-stacking on the PCB, and the method includes the following steps:

[0072] S1. First, place three different types of PP with rivet holes drilled on two temporary storage positions on three first PP feeders respectively, and the PP models on each first PP feeder are the same; at the same time, place PP without rivet holes drilled on two temporary storage positions on the second PP feeder;

[0073] S2, transporting the various types of PP with rivet holes drilled therein to the PP temporary storage position of the PP alignment machine one by one in the stacking order through the first moving mechanism in the first PP feeder;

[0074] S3, moving the PP on the PP temporary storage position to the PP alignment position by the second moving mechanism, and using CCD30 to identify the rivet holes on the PP to adjust the position of the PP on the PP alignment position;

[0075] S4, transporting the core plates with rivet holes drilled on the core plate temporary storage position to the core plate alignment station one by one through the third moving mechanism; while the core plates are transported to the core plate alignment station, the CCD above the core plate alignment station is used to identify the rivet holes on the core plates to adjust the position of the core plates when they are moved to the core plate alignment station;

[0076] S5. According to the stacking order, the core plates on the core plate alignment station and the PPs on the PP alignment station are respectively sucked one by one by the first mobile plate sucking machine and transported to the pre-stacking workbench, so that multiple core plates and a plurality of PPs of the same or different models are pre-stacking together in sequence to form a laminated plate;

[0077] S6, conveying the superimposed plates on the pre-stacked workbench to the automatic fusion machine and the discharge workbench in sequence through the first conveying mechanism. After the superimposed plates enter the automatic fusion machine and are in place, the first conveying mechanism stops working, and the automatic fusion machine is used to fuse the superimposed plates so that the superimposed plates are fused together. After the fusion is completed, the first conveying mechanism is started again to convey the superimposed plates to the discharge workbench.

[0078] S7, transporting the superimposed plate on the discharge workbench to the riveting feed table by means of a second movable plate suction machine;

[0079] S8, conveying the superimposed plates on the riveting feed table to the automatic riveting machine and the riveting discharge table in sequence through the second conveying mechanism. After the superimposed plates enter the automatic riveting machine and are in place, the second conveying mechanism stops working, and rivets are used to rivet the superimposed plates through the automatic riveting machine to rivet and fix the superimposed plates together. After the riveting is completed, the second conveying mechanism is started again to convey the superimposed plates to the riveting discharge table.

[0080] S9. According to the pre-stacked plate sequence of the sub-outer layer, the sub-outer layer PP and the superimposed plate on the riveted discharge table are respectively transported to the discharge machine by the second PP loader and the third movable plate suction machine and pre-stacked together to form a pressed pre-stacked plate; the first pre-ranking and the second pre-ranking on the discharge machine can be used to complete the alternating pre-ranking operation between the two superimposed plates and the PP.

[0081] In one embodiment, after the pre-arrangement of the panels is completed, the pre-arrangement panels on the first pre-arrangement position and the second pre-arrangement position can be manually transferred to the AVG trolley, and then transferred to the pressing process by the AGV trolley.

[0082] The technical solutions provided by the embodiments of the present invention are introduced in detail above. Specific examples are used herein to illustrate the principles and implementation methods of the embodiments of the present invention. The description of the above embodiments is only applicable to help understand the principles of the embodiments of the present invention. At the same time, for those skilled in the art, according to the embodiments of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A large-size PCB fusion riveting pre-stacking integrated device, characterized in that: It includes a first PP feeder, a second PP feeder, a PP alignment machine, a core plate feeder, a core plate alignment machine, an automatic fusion machine, an automatic riveting machine, a first movable plate suction machine, a second movable plate suction machine, a third movable plate suction machine and a discharge machine; the automatic fusion machine is provided with a first conveying mechanism, both ends of which protrude from the automatic fusion machine, respectively serving as a pre-stack workbench and a discharge workbench; the automatic riveting machine is provided with a second conveying mechanism, both ends of which protrude from the automatic riveting machine, respectively serving as a riveting feed table and a riveting discharge table; Wherein, the first PP feeder is used to transport the PPs drilled with rivet holes to the PP alignment machine one by one; The PP alignment machine is used to identify the rivet holes on the PP and adjust the position of the PP; The core plate feeding machine is used to transport the core plates drilled with rivet holes to the core plate alignment machine one by one; The core plate alignment machine is used to identify the rivet holes on the core plate and adjust the position of the core plate; The first movable plate suction machine sucks the core plate on the core plate alignment machine and the PP on the PP alignment machine according to the stacking order and transports them to the pre-stacking workbench, so that the core plate and the PP are pre-stacked together in order to form a stacked plate; The first conveying mechanism is used to convey the superimposed plates to the automatic fusion machine and the discharging workbench in sequence; The automatic fusing machine is used to fuse the superimposed plates entering therein; The second movable plate suction machine is used to transport the superimposed plates on the discharge workbench to the riveting feed table; The second conveying mechanism is used to sequentially convey the superimposed plates on the riveting feed table to the automatic riveting machine and the riveting discharge table; The automatic riveting machine is used to rivet the laminated plates entering therein; The third movable plate suction machine is used to transport the superimposed plates on the riveting discharge table to the discharge machine; The second PP loading machine is used to convey the secondary outer layer PP to the discharging machine and pre-stack it with the stacking plate in sequence.

2. The large-size PCB fusion riveting pre-stacking integrated device according to claim 1 is characterized in that: The first PP loader includes a PP feeding position, a first temporary storage position, a second temporary storage position and a first moving mechanism. The PP feeding position is used to dock with the AGV cart that transports PP. The first temporary storage position and the second temporary storage position are both used to store PP. The first moving mechanism is used to transport the PP on the first temporary storage position and the second temporary storage position to the PP alignment machine.

3. The large-size PCB fusion riveting pre-stacking integrated device according to claim 2 is characterized in that: The first PP feeders include three side-by-side feeders for conveying three different PP models respectively.

4. The large-size PCB fusion riveting pre-stacking integrated device according to claim 2 or 3, characterized in that: The PP alignment machine includes a PP temporary storage position, a PP alignment station, a second moving mechanism and a CCD arranged above the PP alignment station; the PP temporary storage position is arranged on one side of the first PP loader, and the PP temporary storage position is used to receive the PP delivered by the first moving mechanism; the second moving mechanism is used to move the PP on the PP temporary storage position to the PP alignment station, and at the same time, the CCD is used to identify the rivet holes on the PP to adjust the position of the PP moved to the PP alignment station.

5. The large-size PCB fusion riveting pre-stacking integrated device according to claim 1 is characterized in that: The core board loading machine includes a core board loading position, a core board temporary storage position and a third moving mechanism, wherein the third moving mechanism is used to move the core boards stacked on the core board loading position to the core board temporary storage position one by one and to transport the core boards on the core board temporary storage position to the core board alignment machine.

6. The large-size PCB fusion riveting pre-stacking integrated device according to claim 5 is characterized in that: The core plate alignment machine includes a core plate alignment station and a CCD disposed above the core plate alignment station. When the core plate is transported to the core plate alignment station, the CCD is used to identify the rivet holes on the core plate to adjust the position of the core plate when it is moved to the core plate alignment station.

7. The large-size PCB fusion riveting pre-stacking integrated device according to claim 1 is characterized in that: The second PP loader includes a feeding position, a first PP temporary storage position, a second PP temporary storage position and a fourth moving mechanism. The feeding position is used to dock with the AGV cart that transports PP. The first PP temporary storage position and the second PP temporary storage position are both used to store PP. The fourth moving mechanism is used to transport the PP on the first PP temporary storage position and the second PP temporary storage position to the discharge machine.

8. The large-size PCB fusion riveting pre-stacking integrated device according to claim 7 is characterized in that: The feeding position is a groove position for the AGV trolley to enter.

9. The large-size PCB fusion riveting pre-stacking integrated device according to claim 1 is characterized in that: The discharging machine comprises a first pre-ranking position and a second pre-ranking position arranged in an arranged manner, wherein the first pre-ranking position and the second pre-ranking position are both used for pre-stacking the core board and the secondary outer layer PP.

10. A method for pre-stacking large-size PCBs by fusion riveting, characterized in that: The PCB is subjected to fusion riveting and pre-stacking processing by using the large-size PCB fusion riveting and pre-stacking integrated device as described in any one of claims 1 to 9, and the method comprises the following steps: S1, the PP with rivet holes drilled in it is transported one by one to the PP alignment machine through the first PP feeder; S2, the PP alignment machine identifies the rivet holes on the conveyed PP and adjusts the position of the PP; S3, the core plates with rivet holes drilled therein are transported one by one to the core plate alignment machine through the core plate feeding machine; S4, using the core plate alignment machine to identify the rivet holes on the delivered core plate and adjust the position of the core plate; S5, according to the stacking order, the core plates on the core plate alignment machine and the PPs on the PP alignment machine are respectively sucked one by one by the first mobile plate sucking machine and transported to the pre-stacking workbench, so that multiple core plates and a plurality of PPs are pre-stacking together in order to form a stacked plate; S6, conveying the superimposed plates to the automatic fusing machine and the discharging workbench in sequence through the first conveying mechanism, and after entering the automatic fusing machine, the superimposed plates are fused by the automatic fusing machine so that the superimposed plates are fused together, and after the fusion is completed, the superimposed plates are conveyed to the discharging workbench; S7, transporting the superimposed plate on the discharge workbench to the riveting feed table by means of a second movable plate suction machine; S8, conveying the composite plates on the riveting feed table to the automatic riveting machine and the riveting discharge table in sequence through the second conveying mechanism, and after the composite plates enter the automatic riveting machine, riveting the composite plates through the automatic riveting machine, so that the composite plates are riveted and fixed together, and after the riveting is completed, conveying the composite plates to the riveting discharge table; S9. According to the pre-arranged stacking order of the sub-outer layer, the sub-outer layer PP and the stacked plate on the riveted discharge table are respectively transported to the discharge machine by the second PP loader and the third mobile plate suction machine and pre-stacked together to form a pressed pre-arranged plate.

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