An inner layer plate punching alignment compensation mechanism

Abstract

This invention belongs to the field of PCB board processing technology, specifically a punching alignment compensation mechanism for inner layer boards. It addresses the issue that waste components generated during punching of PCB inner layer boards may fall onto the inner layer board, obstructing processing points during subsequent punching operations and affecting punching accuracy, thus impacting the overall quality of the PCB inner layer board processing. The proposed solution includes: a feeding mechanism with a pre-alignment mechanism on one side, the pre-alignment mechanism having two pre-alignment cameras; and a support platform. This invention discloses an inner layer board punching alignment compensation mechanism that improves the punching quality of PCB inner layer boards. During punching of PCB inner layer boards, the device guides and collects waste components generated during punching, preventing them from falling onto the inner layer board after punching and thus avoiding obstruction of processing points during subsequent punching operations, thereby increasing the device's effectiveness.

Description

Technical Field

[0001] This invention relates to the field of PCB board processing technology, and in particular to an inner layer board punching alignment compensation mechanism. Background Technology

[0002] The inner layer of a PCB refers to the conductive pattern layer sandwiched in the middle of a multilayer printed circuit board (PCB). Unlike the outer layer, it is not exposed but is completely encased inside the multilayer board. Located in the middle layer of a multilayer PCB, it consists of a thin copper-clad substrate. Both sides of this substrate are etched with designed copper conductors (traces) and planes (such as power layers and ground layers). These etched inner layers are bonded together with the outer layer or other inner layers through a prepreg. After bonding, the inner layer is completely wrapped and isolated by an insulating material (resin).

[0003] The punching process of the inner layer board of PCB is a key pre-process in the manufacture of multilayer circuit boards. It is mainly used to process positioning holes, tooling holes and simple through holes on copper clad laminate (CCL).

[0004] The existing PCB inner layer board processing requires punching, and the waste generated during the punching process may fall onto the PCB inner layer board, making it difficult for the equipment to process it quickly. This can then obstruct the processing points during subsequent punching processes, affecting the punching accuracy and consequently the processing quality of the PCB inner layer board. Summary of the Invention

[0005] This invention discloses an inner layer board punching alignment compensation mechanism, which aims to solve the technical problem in the background art that waste parts generated during the punching of PCB inner layer boards may fall on the PCB inner layer boards, thereby obstructing the processing points in subsequent punching processes, affecting the subsequent punching accuracy, and thus affecting the processing quality of PCB inner layer boards.

[0006] The present invention proposes an inner layer plate punching alignment compensation mechanism, comprising:

[0007] The feeding mechanism has a pre-alignment mechanism on one side, and the pre-alignment mechanism is equipped with two pre-alignment cameras;

[0008] A support platform is provided on one side of the pre-alignment mechanism. The support platform is provided with four guide rods, and the same upper pressure plate is provided on the four guide rods.

[0009] Four movable cylinders are mounted on a support platform, and the output ends of the four movable cylinders are located at the bottom of the upper pressure plate.

[0010] Multiple precision alignment cameras are mounted on the upper pressure plate, and the support platform is also equipped with four movable rollers;

[0011] Two support plates are installed on one side of the support platform;

[0012] A punching processing unit is mounted on an upper pressure plate. The punching processing unit includes a guide frame seat, a storage compartment, and four adhesive joints. The storage compartment is mounted on the guide frame seat.

[0013] The punching and cleaning module is mounted on two support plates. The punching and cleaning module includes three bag filter frames and a replacement disc, on which a replacement motor is mounted.

[0014] In a preferred embodiment, the punching unit further includes:

[0015] Four fixed uprights are provided, all of which are mounted on the upper pressure plate, and two of the fixed uprights are provided with the same linear guide rail.

[0016] A linear lead screw is mounted on a linear guide rail. The linear lead screw and the linear guide rail are both equipped with the same slider. The slider is equipped with two connecting plates, and the guide frame seat is mounted on the two connecting plates.

[0017] A stepper motor is mounted on a linear guide rail, and the output shaft of the stepper motor is connected to one end of a linear lead screw via a coupling.

[0018] In a preferred embodiment, the punching unit further includes:

[0019] A drive motor is mounted on a guide frame seat. The output shaft of the drive motor is connected to a mounting turntable via a coupling. The mounting turntable has four mounting ports.

[0020] A separator is disposed on the storage compartment, and the outer wall of the separator is in contact with the outer wall of the mounting turntable;

[0021] Four reset springs are provided, all of which are mounted on the mounting turntable, and each of the four reset springs has a mounting collar at one end.

[0022] Four mounting rods are respectively disposed on the inner walls of four mounting collars, and four adhesive joints are respectively disposed at one end of the four mounting rods. The four mounting rods pass through four mounting openings respectively.

[0023] In a preferred embodiment, the punching unit further includes:

[0024] A servo motor is mounted on a guide frame. The output shaft of the servo motor is connected to an eccentric plate via a coupling. The eccentric plate is located inside the mounting turntable, and the other ends of the four mounting rods are in contact with the outer wall of the eccentric plate.

[0025] Multiple guide plates are provided on the guide frame base, and one end of each guide plate is provided with a guide plate component. The multiple guide plate components are located inside the guide frame base.

[0026] Two elastic shrink rings are provided on multiple guide plate components;

[0027] Four connection slots are provided, all of which are located on the guide frame base.

[0028] In a preferred embodiment, the punching unit further includes:

[0029] Two movable sleeve frames are respectively set on two other fixed uprights. Each of the two movable sleeve frames is equipped with a telescopic spring, and one end of each telescopic spring is set on the outer wall of the two fixed uprights.

[0030] The mounting shaft is mounted on two movable sleeves. The outer wall of the mounting shaft is provided with an adjusting plate frame. The adjusting plate frame has a fixing opening and four plug-in rods are provided on the adjusting plate frame. The four plug-in rods are respectively plugged into four connecting slots.

[0031] In a preferred embodiment, the punching unit further includes:

[0032] A general-purpose motor is mounted on one of the movable sleeves, and the output shaft of the general-purpose motor is connected to one end of the mounting shaft via a coupling.

[0033] A power motor is installed on the inner wall of the fixed port. The output shaft of the power motor is connected to a connecting shaft frame via a coupling. An inflatable airbag sleeve is installed on the connecting shaft frame, and multiple burr brush plates are installed on the inflatable airbag sleeve.

[0034] The air pump body is mounted on the connecting shaft frame. The output end of the air pump body is provided with a connecting pipe, and the output end of the connecting pipe is connected to the inside of the inflatable airbag sleeve.

[0035] In a preferred embodiment, the bottom of the support platform is provided with a compensation mechanism body, and the compensation mechanism body is provided with a rotary axis motor, an X-axis compensation motor and a Y-axis compensation motor.

[0036] In a preferred embodiment, the punching and cleaning module further includes:

[0037] Two cleaning chambers are provided, each mounted on a support plate frame, and each cleaning chamber has multiple cleaning holes.

[0038] Two negative pressure pipes are respectively installed on two cleaning chambers, and the output ends of the two negative pressure pipes are connected to the same connecting chamber.

[0039] In a preferred embodiment, the punching and cleaning module further includes:

[0040] A connecting pipe is provided on the connecting compartment, and the replacement plate is provided at one end of the connecting pipe;

[0041] A fixing rod is mounted on the output shaft of the replacement motor via a coupling. The outer wall of the fixing rod is provided with an elastic clamp, and the three bag filter frames are all mounted on the elastic clamp.

[0042] In a preferred embodiment, the punching and cleaning module further includes:

[0043] A fan pump is mounted on one of the support plates, and a connecting plate is provided on the fan pump;

[0044] Multiple sealing gaskets are respectively set on three bag filter frames, and the outer walls of the multiple sealing gaskets are in contact with the outer walls of the connecting plate and the replacement plate.

[0045] As can be seen from the above, the inner layer board punching alignment compensation mechanism provided by the present invention has the function of improving the punching quality of the PCB inner layer board. When punching the PCB inner layer board, the device can guide and collect the waste parts generated by punching, so as to avoid them being left on the PCB inner layer board after punching, thereby avoiding obstruction of the processing point in subsequent punching processes, and increasing the effectiveness of the device. Attached Figure Description

[0046] Figure 1 This is a schematic diagram of the overall structure of an inner layer plate punching alignment compensation mechanism proposed in this invention;

[0047] Figure 2 This is a schematic diagram of the combined structure of the movable cylinder and guide rod of the inner layer plate punching alignment compensation mechanism proposed in this invention;

[0048] Figure 3 This is a schematic diagram of the combined structure of the upper pressure plate and the support platform of the inner layer plate punching alignment compensation mechanism proposed in this invention;

[0049] Figure 4 This is a schematic diagram of the punching processing unit structure of an inner layer plate punching alignment compensation mechanism proposed in this invention;

[0050] Figure 5 This is a schematic diagram of the linear guide rail and slider assembly structure of an inner layer plate punching alignment compensation mechanism proposed in this invention.

[0051] Figure 6This is a schematic diagram of the disassembled structure of the guide frame and storage compartment of the inner layer plate punching alignment compensation mechanism proposed in this invention.

[0052] Figure 7 This is a schematic diagram of the elastic shrinkage ring and eccentric plate combination structure of the inner layer plate punching alignment compensation mechanism proposed in this invention.

[0053] Figure 8 This is a schematic diagram of the mounting shaft and adjusting plate frame combination structure of the inner layer plate punching alignment compensation mechanism proposed in this invention;

[0054] Figure 9 The present invention proposes Figure 8 Enlarged structural diagram of section A;

[0055] Figure 10 This is a schematic diagram of the punching and cleaning module structure of an inner layer plate punching alignment compensation mechanism proposed in this invention;

[0056] Figure 11 This is a schematic diagram of the elastic clamp and bag filter frame combination structure of the inner layer plate punching alignment compensation mechanism proposed in this invention.

[0057] In the diagram: 1. Feeding mechanism; 2. Pre-alignment camera; 3. Pre-alignment mechanism; 4. Punching unit; 401. Stepper motor; 402. Linear guide rail; 403. Fixed upright; 404. Linear lead screw; 405. Telescopic spring; 406. Movable sleeve; 407. Sliding block; 408. Adhesive joint; 409. Servo motor; 410. Mounting turntable; 411. Separator; 412. Storage compartment; 413. Guide frame seat; 414. Drive motor; 415. Connecting plate; 416. Return spring; 417. Mounting collar; 418. Guide plate; 419. Guide plate component; 420. Connecting slot; 421. Elastic shrink ring; 422. Mounting rod; 423. Eccentric plate; 424. Universal motor; 425. Mounting shaft; 426. Adjusting plate frame; 427. Insert 428. Connecting rod; 429. Power motor; 430. Air pump body; 431. Connecting pipe; 432. Deburring brush plate; 433. Inflatable airbag sleeve; 434. Connecting shaft frame; 5. Punching and cleaning module; 501. Cleaning hole; 502. Cleaning pipe compartment; 503. Connecting pipe; 504. Connecting compartment; 505. Negative pressure pipe; 506. Replacement plate; 507. Fan pump; 508. Bag filter frame; 509. Fixing rod; 510. Elastic clamp; 511. Replacement motor; 512. Sealing gasket ring; 513. Connecting plate; 6. Compensation mechanism body; 7. Precision alignment camera; 8. Movable roller; 9. Movable cylinder; 10. Guide rod; 11. Upper pressure plate; 12. Support platform; 13. Rotary shaft motor; 14. X-axis compensation motor; 15. Y-axis compensation motor; 16. Support plate frame. Detailed Implementation

[0058] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0059] The inner layer board punching alignment compensation mechanism disclosed in this invention is mainly used in scenarios where waste parts generated during the punching of PCB inner layer boards may fall onto the PCB inner layer board, thereby obstructing the processing points in subsequent punching processes, affecting the subsequent punching accuracy, and thus affecting the processing quality of the PCB inner layer board.

[0060] Reference Figures 1-11 An inner layer plate punching alignment compensation mechanism, comprising:

[0061] The feeding mechanism 1 has a pre-alignment mechanism 3 on one side, and two pre-alignment cameras 2 are installed on the pre-alignment mechanism 3.

[0062] Support platform 12 is located on one side of pre-alignment mechanism 3. Four guide rods 10 are provided on support platform 12, and the same upper pressure plate 11 is provided on the four guide rods 10.

[0063] Four movable cylinders 9 are mounted on the support platform 12, and the output ends of the four movable cylinders 9 are located at the bottom of the upper pressure plate 11.

[0064] Multiple precision alignment cameras 7 are mounted on the upper pressure plate 11, and four movable rollers 8 are also mounted on the support platform 12.

[0065] Two support plates 16 are provided on one side of the support platform 12;

[0066] Punching processing unit 4 is disposed on upper pressure plate 11. Punching processing unit 4 includes guide frame seat 413, storage compartment 412 and four adhesive joints 408. Storage compartment 412 is disposed on guide frame seat 413.

[0067] The punching and cleaning module 5 is mounted on two support plates 16. The punching and cleaning module 5 includes three bag filter frames 508 and a replacement disc 506. A replacement motor 511 is mounted on the replacement disc 506.

[0068] Reference Figure 1 , Figure 2 and Figures 4-9 In a preferred embodiment, the punching unit 4 further includes:

[0069] Four fixed uprights 403 are all mounted on the upper pressure plate 11, and two of the fixed uprights 403 are equipped with the same linear guide rail 402.

[0070] A linear screw 404 is mounted on a linear guide rail 402. The linear screw 404 and the linear guide rail 402 are mounted on the same slider 407. The slider 407 is mounted on two connecting plates 415. A guide frame seat 413 is mounted on the two connecting plates 415.

[0071] Stepper motor 401 is mounted on linear guide rail 402. The output shaft of stepper motor 401 is connected to one end of linear lead screw 404 via a coupling.

[0072] In this invention, the punching unit 4 further includes:

[0073] A drive motor 414 is mounted on a guide frame 413. The output shaft of the drive motor 414 is connected to a mounting turntable 410 via a coupling. The mounting turntable 410 has four mounting ports.

[0074] Separator 411 is disposed on storage compartment 412, and the outer wall of separator 411 is in contact with the outer wall of mounting turntable 410;

[0075] Four reset springs 416 are provided on the mounting turntable 410, and one end of each of the four reset springs 416 is provided with a mounting collar 417.

[0076] Four mounting rods 422 are respectively disposed on the inner walls of four mounting collars 417, and four adhesive joints 408 are respectively disposed at one end of the four mounting rods 422. The four mounting rods 422 pass through the four mounting openings respectively.

[0077] In this invention, the punching unit 4 further includes:

[0078] Servo motor 409 is mounted on guide frame seat 413. The output shaft of servo motor 409 is connected to eccentric plate 423 via coupling. Eccentric plate 423 is located inside mounting turntable 410. The other ends of the four mounting rods 422 are in contact with the outer wall of eccentric plate 423.

[0079] Multiple guide plates 418 are provided on the guide frame base 413. Each of the multiple guide plates 418 has a guide plate component 419 at one end. The multiple guide plate components 419 are located inside the guide frame base 413.

[0080] Two elastic shrink rings 421 are provided on multiple guide plate components 419;

[0081] Four connecting slots 420 are provided on the guide frame seat 413.

[0082] In this invention, the punching unit 4 further includes:

[0083] Two movable sleeves 406 are respectively set on two other fixed uprights 403. Each of the two movable sleeves 406 is provided with a telescopic spring 405, and one end of each telescopic spring 405 is respectively set on the outer wall of the two fixed uprights 403.

[0084] The mounting shaft 425 is mounted on two movable sleeves 406. An adjusting plate frame 426 is provided on the outer wall of the mounting shaft 425. A fixing port is provided on the adjusting plate frame 426. Four plug-in rods 427 are provided on the adjusting plate frame 426. The four plug-in rods 427 are respectively plugged into four connecting slots 420.

[0085] In this invention, the punching unit 4 further includes:

[0086] A general-purpose motor 424 is mounted on one of the movable sleeves 406, and the output shaft of the general-purpose motor 424 is connected to one end of the mounting shaft 425 via a coupling.

[0087] The power motor 428 is located on the inner wall of the fixed port. The output shaft of the power motor 428 is connected to the connecting shaft bracket 433 via a coupling. An inflatable airbag sleeve 432 is provided on the connecting shaft bracket 433. Multiple burr brush plates 431 are provided on the inflatable airbag sleeve 432.

[0088] The air pump body 429 is mounted on the connecting shaft bracket 433. The output end of the air pump body 429 is provided with a connecting pipe 430, and the output end of the connecting pipe 430 is connected to the inside of the inflatable airbag sleeve 432.

[0089] Specifically, during the punching process, the stepper motor 401 operates, driving the linear screw 404 to rotate. The linear screw 404 then moves the slider 407, causing the connecting plate 415 and the guide frame 413 to descend. This lowers the guide frame 413, positioning it above the punching area on the inner PCB layer. At this time, the punching rod pushes the waste material generated during punching into the guide frame 413, causing the elastic shrink ring 421 to deform. This deforms the elastic shrink ring 421, positioning multiple guide plates 419 outside the punching rod to prevent waste material from falling off. Then, the servo motor 409 drives the eccentric plate 423 to rotate, causing the eccentric plate 423 to... 23. Push the mounting rod 422, and further cause the mounting rod 422 to move the adhesive joint 408 into the guide frame seat 413, so that the adhesive joint 408 contacts the waste part and adhesives it. After adhesive, the eccentric plate 423 resets, and the mounting rod 422 is reset by the reset spring 416. Then the drive motor 414 drives the mounting turntable 410 to rotate, and further causes the mounting rod 422 and the adhesive joint 408 to move the waste part. When it moves to a certain position, the separating member 411 separates the waste part from the adhesive joint 408, and causes the waste part to fall into the storage bin 412, completing the waste processing.

[0090] During deburring, the slider 407 drives the guide frame 413 to rise and reset. After rising to a certain height, the general-purpose motor 424 runs, causing the mounting shaft 425 and the adjusting plate frame 426 to rotate. At this time, the adjusting plate frame 426 is located below the guide frame 413, which allows the insertion rod 427 to be inserted into the connecting slot 420. Then, the stepper motor 401 runs again, causing the guide frame 413 to drive the adjusting plate frame 426 and the movable sleeve 406. The pressure drop causes the extension spring 405 to stretch. Then, when the burr brush plate 431 moves to the punching position, the power motor 428 and the air pump body 429 operate. The air pump body 429 inflates the expansion airbag sleeve 432 through the connecting pipe 430, causing it to expand and the burr brush plate 431 to contact the inner wall of the punch. The power motor 428 drives the connecting shaft bracket 433, the expansion airbag sleeve 432 and the burr brush plate 431 to rotate in order to process the burrs on the inner wall of the punch.

[0091] In specific application scenarios, the punching processing unit 4 is suitable for the punching process of the inner layer board of PCB. That is, the punching processing unit 4 can guide the waste parts generated by punching into the guide frame seat 413 and collect the waste parts through the adhesive joint 408. This prevents the waste parts from being left on the inner layer board after punching, and thus prevents the waste parts from blocking the processing points in subsequent punching processes. This ensures the punching accuracy and punching process of the inner layer board, thereby ensuring the punching quality of the inner layer board and increasing the effectiveness of the device.

[0092] It should be noted that after punching, the device can clean the burrs on the punched part through the burr brush plate 431 to reduce the impact of burrs on the processing of the inner layer of the PCB. At the same time, during cleaning, the expansion airbag sleeve 432 can make the burr brush plate 431 in close contact with the inner wall of the punch to ensure the cleaning effect and further improve the processing quality of the punching of the inner layer of the PCB.

[0093] Reference Figure 1 and Figure 3 In a preferred embodiment, the bottom of the support platform 12 is provided with a compensation mechanism body 6, and the compensation mechanism body 6 is provided with a rotary shaft motor 13, an X-axis compensation motor 14 and a Y-axis compensation motor 15.

[0094] Device: During compensation, the compensation mechanism body 6 operates the rotary shaft motor 13, the X-axis compensation motor 14 and the Y-axis compensation motor 15 according to the compensation value to adjust the device and thereby adjust the inner layer plate so that the coordinates of the inner layer plate coincide with those of the punching machine, which facilitates the punching machine to punch the plate in the subsequent process.

[0095] Reference Figure 1 , Figure 2 , Figure 10 and Figure 11 In a preferred embodiment, the punching and cleaning module 5 further includes:

[0096] Two cleaning tube compartments 502 are provided, both of which are mounted on two support plates 16, and both of the cleaning tube compartments 502 are provided with multiple cleaning holes 501.

[0097] Two negative pressure pipes 505 are respectively installed on two cleaning chambers 502, and the output ends of the two negative pressure pipes 505 are connected to the same connecting chamber 504.

[0098] In this invention, the punching and cleaning module 5 further includes:

[0099] A connecting pipe 503 is provided on a connecting compartment 504, and a replacement plate 506 is provided at one end of the connecting pipe 503;

[0100] The fixing rod 509 is set on the output shaft of the replacement motor 511 via a coupling. The outer wall of the fixing rod 509 is provided with an elastic clamp 510, and the three bag filter frames 508 are all set on the elastic clamp 510.

[0101] In this invention, the punching and cleaning module 5 further includes:

[0102] A fan pump 507 is mounted on one of the support plates 16, and a connecting plate 513 is provided on the fan pump 507.

[0103] Multiple sealing gaskets 512 are respectively disposed on three bag filter frames 508, wherein the outer walls of the multiple sealing gaskets 512 are in contact with the outer walls of the connecting plate 513 and the replacement plate 506 respectively.

[0104] Specifically, after punching, the inner layer of the PCB is unloaded. At this time, the inner layer of the PCB passes through the cleaning chamber 502, and the fan pump 507 is running. The fan pump 507 discharges the gas inside the bag filter frame 508, making its interior a negative pressure state. Through the connecting pipe 503 and the negative pressure pipe 505, both the connecting chamber 504 and the cleaning chamber 502 are in a negative pressure state, thereby cleaning the burrs and dust on the inner layer of the PCB.

[0105] During replacement, the replacement motor 511 operates, driving the fixed rod 509 and the elastic clamp 510 to rotate, thereby causing the elastic clamp 510 to replace the bag filter frame 508. At the same time, the sealing gasket ring 512 on the replaced bag filter frame 508 contacts the outer wall of the replacement disc 506 and the connecting disc 513 to prevent airflow leakage from affecting the cleaning effect (the sealing gasket ring 512 at one end of the replaced bag filter frame 508 contacts the replacement disc 506, which can prevent the internal burrs and dust from falling). Afterwards, the staff cleans the replaced bag filter frame 508.

[0106] In specific application scenarios, the punching cleaning module 5 is suitable for the burr and dust cleaning process of PCB inner layer board punching. That is, when the punching cleaning module 5 is used, it can clean the surface of the PCB inner layer board after it is cut to remove the burrs and dust left on the surface during the punching process, thereby maintaining the surface cleanliness of the PCB inner layer board in subsequent processing operations and further improving the quality of subsequent PCB processing.

[0107] It should be noted that during cleaning, the device can replace the bag filter frame 508 by replacing the motor 511 and the elastic clamp 510, so as to reduce the downtime during cleaning, increase the continuity of burr dust cleaning, and ensure the cleaning effect and cleaning quality.

[0108] Working principle:

[0109] During the punching process, the stepper motor 401 operates, driving the linear lead screw 404 to rotate. The linear lead screw 404 then moves the slider 407, causing the connecting plate 415 and guide frame 413 to descend. This lowers the guide frame 413, positioning it above the punching area on the inner PCB layer. At this time, the punching rod pushes the waste material generated during punching into the guide frame 413, causing the elastic shrink ring 421 to deform. This deforms the elastic shrink ring 421, positioning multiple guide plates 419 outside the punching rod to prevent waste material from falling off. Afterwards, the servo motor 409 drives the eccentric plate 423 to rotate, causing the eccentric plate 423 to... The mounting rod 422 is pushed, which in turn moves the adhesive joint 408 into the guide frame seat 413, so that the adhesive joint 408 contacts the waste part and adheres it. After adhesion, the eccentric plate 423 is reset, and the mounting rod 422 is reset by the reset spring 416. Then, the drive motor 414 drives the mounting turntable 410 to rotate, which in turn moves the waste part along with the mounting rod 422 and the adhesive joint 408. When it moves to a certain position, the separating member 411 separates the waste part from the adhesive joint 408 and causes the waste part to fall into the storage bin 412, completing the waste processing.

[0110] During deburring, the slider 407 drives the guide frame 413 to rise and reset. After rising to a certain height, the general-purpose motor 424 runs, causing the mounting shaft 425 and the adjusting plate frame 426 to rotate. At this time, the adjusting plate frame 426 is located below the guide frame 413, which allows the insertion rod 427 to be inserted into the connecting slot 420. Then, the stepper motor 401 runs again, causing the guide frame 413 to drive the adjusting plate frame 426 and the movable sleeve 406. The pressure drop causes the extension spring 405 to stretch. Then, when the burr brush plate 431 moves to the punching position, the power motor 428 and the air pump body 429 operate. The air pump body 429 inflates the expansion airbag sleeve 432 through the connecting pipe 430, causing it to expand and the burr brush plate 431 to contact the inner wall of the punch. The power motor 428 drives the connecting shaft bracket 433, the expansion airbag sleeve 432 and the burr brush plate 431 to rotate in order to process the burrs on the inner wall of the punch.

[0111] After punching, the inner layer of the PCB is unloaded. At this time, the inner layer of the PCB passes through the cleaning chamber 502. At the same time, the fan pump 507 is running. The fan pump 507 discharges the gas inside the bag filter frame 508, making its interior a negative pressure state. Through the connecting pipe 503 and the negative pressure pipe 505, both the connecting chamber 504 and the cleaning chamber 502 are in a negative pressure state, thereby cleaning the burrs and dust on the inner layer of the PCB.

[0112] During replacement, the replacement motor 511 runs, driving the fixed rod 509 and the elastic clamp 510 to rotate, thereby causing the elastic clamp 510 to replace the bag filter frame 508. At the same time, the sealing gasket ring 512 on the replaced bag filter frame 508 comes into contact with the outer wall of the replacement disc 506 and the connecting disc 513 to prevent airflow leakage from affecting the cleaning effect. Afterwards, the staff cleans the replaced bag filter frame 508.

[0113] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A punching alignment compensation mechanism for an inner layer plate, characterized in that, include: The feeding mechanism (1) is provided with a pre-alignment mechanism (3) on one side, and two pre-alignment cameras (2) are provided on the pre-alignment mechanism (3). Support platform (12) is located on one side of pre-alignment mechanism (3). Four guide rods (10) are provided on the support platform (12), and the same upper pressure plate (11) is provided on the four guide rods (10). Four movable cylinders (9) are all mounted on the support platform (12), and the output ends of the four movable cylinders (9) are all located at the bottom of the upper pressure plate (11); Multiple precision alignment cameras (7) are mounted on the upper pressure plate (11), and the support platform (12) is also equipped with four movable rollers (8). Two support plates (16) are provided on one side of the support platform (12); A punching processing unit (4) is disposed on an upper pressure plate (11). The punching processing unit (4) includes a guide frame seat (413), a storage compartment (412) and four adhesive joints (408). The storage compartment (412) is disposed on the guide frame seat (413). The punching and cleaning module (5) is set on two support plates (16). The punching and cleaning module (5) includes three bag filter frames (508) and a replacement disc (506). A replacement motor (511) is set on the replacement disc (506). The punching unit (4) further includes: Four fixed uprights (403) are provided on the upper pressure plate (11), and two of the fixed uprights (403) are provided with the same linear guide rail (402). A linear lead screw (404) is mounted on a linear guide rail (402). The linear lead screw (404) and the linear guide rail (402) are provided with the same slider (407). The slider (407) is provided with two connecting plates (415). The guide frame seat (413) is mounted on the two connecting plates (415). A stepper motor (401) is mounted on a linear guide rail (402), and the output shaft of the stepper motor (401) is connected to one end of a linear lead screw (404) via a coupling. The punching unit (4) further includes: A drive motor (414) is mounted on a guide frame seat (413). The output shaft of the drive motor (414) is connected to a mounting turntable (410) via a coupling. The mounting turntable (410) has four mounting holes. A separator (411) is disposed on the storage compartment (412), and the outer wall of the separator (411) is in contact with the outer wall of the mounting turntable (410); Four reset springs (416) are provided on the mounting turntable (410), and one end of each of the four reset springs (416) is provided with a mounting collar (417). Four mounting rods (422) are respectively disposed on the inner walls of four mounting collars (417), and four adhesive joints (408) are respectively disposed at one end of the four mounting rods (422). The four mounting rods (422) pass through four mounting openings respectively. The punching unit (4) further includes: A servo motor (409) is mounted on a guide frame seat (413). The output shaft of the servo motor (409) is connected to an eccentric plate (423) via a coupling. The eccentric plate (423) is located inside the mounting turntable (410). The other ends of the four mounting rods (422) are in contact with the outer wall of the eccentric plate (423). Multiple guide plates (418) are provided on the guide frame base (413), and a guide plate component (419) is provided at one end of each of the multiple guide plates (418). The multiple guide plate components (419) are located inside the guide frame base (413). Two elastic shrink rings (421) are provided on multiple guide plate parts (419); Four connection slots (420) are provided on the guide frame seat (413).

2. The inner layer plate punching alignment compensation mechanism according to claim 1, characterized in that, The punching unit (4) further includes: Two movable sleeve frames (406) are respectively set on two other fixed uprights (403). Each of the two movable sleeve frames (406) is provided with a telescopic spring (405), and one end of each telescopic spring (405) is respectively set on the outer wall of the two fixed uprights (403). The mounting shaft (425) is mounted on two movable sleeves (406). The outer wall of the mounting shaft (425) is provided with an adjusting plate frame (426). The adjusting plate frame (426) has a fixing port and four plug-in rods (427) are provided on the adjusting plate frame (426). The four plug-in rods (427) are respectively plugged into four connecting slots (420).

3. The inner layer plate punching alignment compensation mechanism according to claim 2, characterized in that, The punching unit (4) further includes: A general-purpose motor (424) is mounted on one of the movable sleeves (406), and the output shaft of the general-purpose motor (424) is connected to one end of the mounting shaft (425) via a coupling; A power motor (428) is installed on the inner wall of the fixed port. The output shaft of the power motor (428) is connected to a connecting shaft frame (433) via a coupling. An inflatable airbag sleeve (432) is installed on the connecting shaft frame (433). Multiple burr brush plates (431) are installed on the inflatable airbag sleeve (432). The air pump body (429) is mounted on the connecting shaft bracket (433). The output end of the air pump body (429) is provided with a connecting pipe (430), and the output end of the connecting pipe (430) is connected to the inside of the inflatable airbag sleeve (432).

4. The inner layer plate punching alignment compensation mechanism according to claim 1, characterized in that, The bottom of the support platform (12) is provided with a compensation mechanism body (6), and the compensation mechanism body (6) is provided with a rotary shaft motor (13), an X-axis compensation motor (14) and a Y-axis compensation motor (15).

5. The inner layer plate punching alignment compensation mechanism according to claim 1, characterized in that, The punching and cleaning module (5) also includes: Two cleaning chambers (502) are provided on two support plates (16), and multiple cleaning holes (501) are provided on each of the two cleaning chambers (502). Two negative pressure pipes (505) are respectively installed on two cleaning chambers (502), and the output ends of the two negative pressure pipes (505) are provided with the same connecting chamber (504).

6. The inner layer plate punching alignment compensation mechanism according to claim 5, characterized in that, The punching and cleaning module (5) also includes: A connecting pipe (503) is provided on a connecting compartment (504), and the replacement plate (506) is provided at one end of the connecting pipe (503); A fixed rod (509) is mounted on the output shaft of a replacement motor (511) via a coupling. An elastic clamp (510) is provided on the outer wall of the fixed rod (509), and three filter bags (508) are mounted on the elastic clamp (510).

7. The inner layer plate punching alignment compensation mechanism according to claim 6, characterized in that, The punching and cleaning module (5) also includes: A fan pump (507) is mounted on one of the support plates (16), and a connecting plate (513) is provided on the fan pump (507). Multiple sealing gaskets (512) are respectively disposed on three bag filter frames (508), wherein the outer walls of the multiple sealing gaskets (512) are in contact with the outer walls of the connecting plate (513) and the replacement plate (506).

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