Automatic covering machine for PCB (printed circuit board)

Abstract

The utility model discloses an automatic edge covering machine for a PCB. The automatic edge covering machine comprises a rack, a material guiding device, an edge covering device, a cutting device, a discharging device and a transferring device. The edge covering device comprises a width adjusting mechanism, an edge covering base, an adhesive tape connecting base, an adhesive tape conveying shaft, an adhesive tape guiding shaft and an adhesive tape rolling wheel. The width adjusting mechanism is used for adjusting the distance between the two edge covering devices so as to be suitable for PCBs of different sizes; the adhesive tape is arranged on the adhesive tape connecting base and sequentially bypasses the adhesive tape coating conveying shaft, the adhesive tape guide shaft and the adhesive tape coating roller, and the adhesive tape coating roller is used for clamping the side edge of the PCB so as to wrap and attach the adhesive tape to the side edge of the PCB; the cutting device is used for cutting the adhesive tape on the PCB subjected to edge covering by the edge covering device, and the discharging device is used for discharging the PCB subjected to edge covering; according to the invention, the production efficiency and precision of PCB edge covering are improved, the labor cost and the labor intensity of workers are reduced, and meanwhile, the quality fluctuation and damage risk caused by manual operation are reduced.

Description

Technical Field

[0001] This application relates to the technical field of PCB board production, and in particular to an automatic edge wrapping machine for PCB boards. Background Art

[0002] With the development of the electronics industry, as the carrier of electronic components, the demand for PCB boards is increasing continuously, making the edge wrapping process in the PCB board manufacturing process particularly crucial; the edge wrapping process protects the non-processed areas of the PCB board during chemical processing such as the etching stage through tape edge wrapping, avoiding chemical erosion, mechanical damage, pollution, and oxidation, ensuring the integrity and mechanical strength of the circuit board, and facilitating subsequent processing, thereby guaranteeing the overall quality and performance of the circuit board; however, the current manual edge wrapping technology has problems such as low efficiency, large errors, high labor intensity, low tape sticking accuracy, and easy deviation, and manual operation will cause the board surface to be dirty and oxidized, affecting product quality. Summary of the Utility Model

[0003] In order to improve the defects of low efficiency, large errors, low tape sticking accuracy, and easy deviation in the existing manual PCB board edge wrapping process, this application provides an automatic edge wrapping machine for PCB boards.

[0004] The automatic edge wrapping machine for PCB boards provided by this application adopts the following technical solutions:

[0005] An automatic edge wrapping machine for PCB boards includes a frame, a material guiding device arranged on the frame, an edge wrapping device arranged on the frame and located behind the material guiding device, a cutting device arranged on the frame and located behind the edge wrapping device, a blanking device arranged behind the cutting device, and a transfer device arranged between the cutting device and the blanking device;

[0006] The edge wrapping device includes a width adjusting mechanism arranged on the frame, an edge wrapping base connected to the width adjusting mechanism, a tape connection base axially connected to the edge wrapping base, a tape conveying shaft arranged on one side of the tape connection base for tape conveying, a tape guiding shaft axially connected to the edge wrapping base and arranged on one side of the tape conveying shaft, and a tape roller arranged on one side of the tape guiding shaft for clamping the side edge of the PCB board.

[0007] By adopting the above technical solutions, the frame provides a stable support platform; the width adjustment mechanism is used to adjust the distance between the two edge wrapping devices to be applicable to PCB boards of different sizes; the material guiding device ensures that the PCB board accurately enters the edge wrapping device; the tape is arranged on the tape connection base and sequentially bypasses the rubber-coated conveying shaft, the tape guiding shaft and the rubber-coated roller. The rubber-coated roller is used to clamp the side edge of the PCB board to wrap and attach the tape to the side edge of the PCB board, improving the accuracy and efficiency of edge wrapping; the cutting device is used to cut the tape on the PCB board after edge wrapping by the edge wrapping device to ensure the edge wrapping quality; the transfer device is used to move the PCB board cut by the cutting device to the blanking device to achieve smooth transfer of the PCB board, and the blanking device is used to complete the blanking and collection of the edge-wrapped PCB board; this application improves the production efficiency and accuracy of PCB board edge wrapping, reduces the labor cost and labor intensity, and at the same time reduces the quality fluctuations and damage risks caused by manual operations.

[0008] Preferably, the edge wrapping device further includes a guiding pressure roller arranged between the edge wrapping base and the material guiding device, and a conveying pressure roller arranged between the cutting device and the transfer device; both the guiding pressure roller and the conveying pressure roller include an upper pressure roller and a lower pressure roller arranged corresponding to the upper pressure roller. The upper pressure roller and the lower pressure roller are correspondingly matched to clamp and convey the PCB board.

[0009] By adopting the above technical solutions, the cooperation of the guiding pressure roller and the conveying pressure roller improves the stability and conveying efficiency of the PCB board during the edge wrapping process; the guiding pressure roller is located between the edge wrapping base and the material guiding device, and the conveying pressure roller is located between the cutting device and the transfer device. Both are composed of an upper pressure roller and a lower pressure roller. Through the corresponding cooperation of the upper pressure roller and the lower pressure roller, the PCB board is effectively clamped and ensured to be smoothly conveyed during the edge wrapping process, preventing the PCB board from shifting or curling during the conveying process, thereby improving the accuracy and production efficiency of edge wrapping, and at the same time reducing the damage or rework caused by unstable conveying and ensuring the processing quality of the PCB board.

[0010] Preferably, the width adjustment mechanism includes a transmission belt assembly arranged along the width direction of the frame, a belt drive assembly for driving the transmission belt assembly to move along the width direction of the frame, and a width adjustment guiding shaft arranged on the frame; the edge wrapping base is sleeved on the width adjustment guiding shaft and is movably connected to the width adjustment guiding shaft. One side of the transmission belt assembly is fixedly connected to the edge wrapping base close to one side of the frame, and the other side of the transmission belt assembly is fixedly connected to the edge wrapping base close to the other side of the frame; the belt drive assembly is used to drive the transmission belt assembly to move, so that the transmission belt assembly drives the two edge wrapping bases to approach or move away from each other.

[0011] By adopting the above technical solution, both sides of the transmission belt assembly are fixedly connected to the edge - wrapping bases on both sides of the frame. The belt drive assembly drives the transmission belt assembly to move along the width direction of the frame, thereby driving the edge - wrapping bases on both sides to approach or move away from each other and slide on the width - adjusting guide shaft to adapt to PCB boards of different widths. This design not only improves the adaptability and flexibility of the machine, but also simplifies the adjustment process, reduces manual intervention, improves the adjustment efficiency and accuracy, ensures the consistency and stability of the edge - wrapping process, and thus enhances the overall quality and production efficiency of PCB board edge - wrapping.

[0012] Preferably, the material guiding device includes a first material guiding plate and a second material guiding plate arranged corresponding to the first material guiding plate. The first material guiding plate and the second material guiding plate enclose to form a material guiding channel for the PCB board to pass through, and the first material guiding plate and the second material guiding plate are used to respectively press against both sides of the PCB board along its edge.

[0013] By adopting the above technical solution, through the corresponding arrangement of the first material guiding plate and the second material guiding plate, a material guiding channel is formed for the PCB board to pass through. The pressing effect of the first material guiding plate and the second material guiding plate ensures the stable guiding of the PCB board in the material guiding channel, thereby guaranteeing the accurate positioning and conveying of the PCB board before entering the edge - wrapping device, improving the smoothness of the entire production process and the processing accuracy of the PCB board, helping to reduce the offset or vibration of the PCB board during the conveying process, ensuring the precise execution of the edge - wrapping process, and enhancing the overall quality and efficiency of PCB board manufacturing.

[0014] Preferably, both the first material guiding plate and the second material guiding plate include a material guiding base connected to the edge - wrapping base and a material guiding side plate arranged on the material guiding base.

[0015] By adopting the above technical solution, the connection between the material guiding base and the edge - wrapping base ensures the stability and positioning accuracy of the material guiding side plate. The material guiding side plate is arranged on the material guiding base and is used to contact both sides of the PCB board along its edge to provide precise guiding and support. This not only enhances the stability and durability of the material guiding device, but also improves the positioning accuracy of the PCB board during the material guiding process, thereby ensuring that the PCB board passes through the material guiding channel smoothly and accurately, reducing errors and material waste during the processing, and enhancing the production efficiency and product quality.

[0016] Preferably, the cutting device includes a cutting support frame arranged on the edge - wrapping base, a cutting drive mechanism arranged on the cutting support frame, and a cutting tool arranged at the output end of the cutting drive mechanism.

[0017] By adopting the above technical solution, the cutting support frame is arranged on the edge wrapping base to provide stable support for the cutting process; the cutting driving mechanism is arranged on the cutting support frame, responsible for driving the cutting action to ensure the smoothness and high efficiency of the cutting process; the cutting tool is arranged at the output end of the cutting driving mechanism to directly execute the cutting task and achieve precise cutting of the tape; this design not only improves the cutting accuracy and efficiency, but also simplifies the operation of the cutting process, reduces manual intervention, reduces errors caused by improper operation, and ensures the cutting accuracy and consistency.

[0018] Preferably, the blanking device includes a support fixture for supporting the PCB board, a storage mechanism arranged on the frame and below the support fixture, a spacing adjustment mechanism for driving the two support fixtures to move away from or close to each other, and a fixture flipping mechanism arranged on the spacing adjustment mechanism and for driving the support fixture to flip along the direction facing the storage mechanism.

[0019] By adopting the above technical solution, the support fixture is used to stably support the PCB board to ensure the stability of the PCB board during the blanking process; the storage mechanism is arranged below the support fixture to collect the PCB boards with edge wrapping completed, facilitating storage and subsequent processing; the spacing adjustment mechanism is used to adjust the distance between the support fixtures to adapt to PCB boards of different sizes, improving the adaptability and flexibility of the equipment; the fixture flipping mechanism is arranged on the spacing adjustment mechanism and can drive the support fixture to flip along the direction facing the storage mechanism to achieve smooth blanking of the PCB board; this application not only improves the blanking efficiency and accuracy, but also reduces manual intervention, reduces operation complexity, improves the automation level, and ensures the smoothness and high efficiency of the blanking process after the edge wrapping of the PCB board.

[0020] Preferably, the spacing adjustment mechanism includes a guide rod arranged on the frame, a sliding base sleeved on the guide rod and movably connected to the guide rod, a spacing adjustment transmission belt arranged between the two guide rods and used to be respectively connected to the two sliding bases, and a transmission belt driving mechanism arranged on the frame and used to drive the movement of the spacing adjustment transmission belt; both sides of the spacing adjustment transmission belt are fixedly connected to the two sliding bases respectively.

[0021] By adopting the above technical solution, the guide rod is arranged on the frame to provide stable guidance for the sliding base; the sliding base is sleeved on the guide rod and is movably connected to the guide rod so that the sliding base moves along the length direction of the guide rod; the spacing adjustment transmission belt is arranged between the two guide rods and is connected to the two sliding bases. Through the drive of the transmission belt drive mechanism, the movement of the spacing adjustment transmission belt is realized, and further the spacing between the two sliding bases is adjusted; both sides of the spacing adjustment transmission belt are fixedly connected to the two sliding bases respectively, ensuring the stability and synchronization of the spacing adjustment; this application enables the spacing adjustment mechanism to flexibly and accurately adjust the spacing of the support fixtures according to the size of the PCB board, improving the adaptability and working efficiency of the blanking device, and at the same time ensuring the stability and accuracy of the PCB board during the blanking process.

[0022] Preferably, the transmission belt drive mechanism includes a transmission belt power component arranged on one side wall of the frame, a driving transmission wheel arranged at the output end of the transmission belt power component, and a driven transmission wheel arranged on the other side wall of the frame. The spacing adjustment transmission belt is sleeved on the driving transmission wheel and the driven transmission wheel and is respectively meshed and matched with the driving transmission wheel and the driven transmission wheel.

[0023] By adopting the above technical solution, the transmission belt power component is arranged on one side wall of the frame to provide the required power; the driving transmission wheel is arranged at the output end of the transmission belt power component, is directly connected to the transmission belt power component, and drives the spacing adjustment transmission belt through the rotation of the driving transmission wheel; the driven transmission wheel is arranged on the other side wall of the frame, corresponding to the driving transmission wheel, and cooperates with the driving transmission wheel to jointly guide and stabilize the operation of the spacing adjustment transmission belt; the spacing adjustment transmission belt is sleeved on the driving transmission wheel and the driven transmission wheel and is meshed and matched with the driving transmission wheel and the driven transmission wheel, ensuring the stable operation and precise control of the spacing adjustment transmission belt; this design not only improves the transmission efficiency and stability, but also realizes the precise adjustment of the spacing of the support fixtures by precisely controlling the position of the spacing adjustment transmission belt, so as to adapt to the blanking requirements of PCB boards of different sizes, improve the flexibility and automation level of the blanking device, and ensure the high efficiency and accuracy of the PCB board blanking process.

[0024] Preferably, the fixture flipping mechanism includes a flipping support frame arranged on the sliding base, a flipping power component arranged on the flipping support frame, a transmission hinge component connected to the output end of the flipping power component, and a linkage hinge component with two ends respectively hinged to the support fixture and the transmission hinge component. The middle position of the transmission hinge component is hinged to the sliding base, and the two ends of the transmission hinge component are respectively hinged to the linkage hinge component and the output end of the flipping power component;

[0025] The support fixture includes a vertical clamping plate connected to the sliding base and a horizontal support plate connected to the vertical clamping plate; the upper end of the vertical clamping plate is hinged to the end of the linkage hinge assembly, and the lower end of the vertical clamping plate is hinged to the sliding base;

[0026] The flipping power assembly is used to pull one end of the transmission hinge assembly to move vertically upward, so that the transmission hinge assembly rotates with the hinge position with the sliding base as the rotation axis, and the other end of the transmission hinge assembly pushes the linkage hinge assembly, and the linkage hinge assembly pushes the vertical clamping plate, so that the horizontal support plate and the vertical clamping plate flip along the direction facing the storage mechanism.

[0027] By adopting the above technical solutions, the flipping support frame is arranged on the sliding base to provide a stable support point for the flipping action; the flipping power assembly is arranged on the flipping support frame to provide the power required for flipping; the transmission hinge assembly is connected to the output end of the flipping power assembly, and both ends of the linkage hinge assembly are respectively hinged to the support fixture and the transmission hinge assembly to ensure the synchronization of the flipping action; driven by the flipping power assembly, the transmission hinge assembly flips with the hinge position with the sliding base as the axis, and then pushes the linkage hinge assembly, and the linkage hinge assembly then pushes the vertical clamping plate to realize the flipping of the horizontal support plate and the vertical clamping plate along the direction facing the storage mechanism; the present application not only improves the automation degree of the PCB board blanking process, but also ensures the smooth transfer and accurate placement of the PCB board during the blanking process by precisely controlling the flipping action, reduces the need for manual operation, and improves the production efficiency and operation safety.

[0028] In summary, the present application includes at least one of the following beneficial technical effects:

[0029] 1. The frame provides a stable support platform; the width adjustment mechanism is used to adjust the distance between the two edge wrapping devices to be applicable to PCB boards of different sizes; the guiding device ensures that the PCB board accurately enters the edge wrapping device; the tape is arranged on the tape connection base and sequentially bypasses the rubber-coated conveying shaft, the tape guiding shaft and the rubber-coated roller, and the rubber-coated roller is used to clamp the side edge of the PCB board to wrap and attach the tape to the side edge of the PCB board, improving the edge wrapping accuracy and efficiency; the cutting device is used to cut the tape on the PCB board after edge wrapping by the edge wrapping device to ensure the edge wrapping quality; the transfer device is used to move the PCB board cut by the cutting device to the blanking device to realize the smooth transfer of the PCB board, and the blanking device is used to complete the blanking and collection of the edge-wrapped PCB board; the present application improves the production efficiency and accuracy of PCB board edge wrapping, reduces the labor cost and labor intensity, and at the same time reduces the quality fluctuation and damage risk caused by manual operation;

[0030] 2. The two sides of the drive belt assembly are fixedly connected to the edge - wrapping bases on both sides of the frame respectively. The belt drive assembly drives the drive belt assembly to move along the width direction of the frame, thereby driving the two side edge - wrapping bases to approach or move away from each other, and sliding on the width - adjusting guide shaft to adapt to PCB boards of different widths. This design not only improves the adaptability and flexibility of the machine, but also simplifies the adjustment process, reduces manual intervention, improves the adjustment efficiency and accuracy, ensures the consistency and stability of the edge - wrapping process, and thus enhances the overall quality and production efficiency of PCB board edge - wrapping.

[0031] 3. The flipping support frame is arranged on the sliding base to provide a stable support point for the flipping action. The flipping power assembly is arranged on the flipping support frame to provide the power required for flipping. The transmission hinge assembly is connected to the output end of the flipping power assembly. The two ends of the linkage hinge assembly are respectively hinged to the support fixture and the transmission hinge assembly to ensure the synchronism of the flipping action. Driven by the flipping power assembly, the transmission hinge assembly rotates with the hinge position with the sliding base as the axis, and then pushes the linkage hinge assembly, and the linkage hinge assembly then pushes the vertical clamping plate to realize the flipping of the horizontal support plate and the vertical clamping plate along the direction facing the storage mechanism. This application not only improves the automation degree of the PCB board blanking process, but also ensures the smooth transfer and accurate placement of the PCB board during the blanking process by precisely controlling the flipping action, reduces the need for manual operation, and improves the production efficiency and operation safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 is the three - dimensional structure schematic diagram of the embodiment of the present application Figure 1 .

[0033] Figure 2 is the three - dimensional structure schematic diagram of the rubber - coated roller of the embodiment of the present application.

[0034] Figure 3 is the three - dimensional structure schematic diagram of the embodiment of the present application Figure 2 .

[0035] Figure 4 is Figure 3 the enlarged view of part A in

[0036] Description of the Reference Numerals:

[0037] 1. Frame; 2. Feeding device; 21. First feeding plate; 22. Second feeding plate; 23. Feeding channel; 211. Feeding base; 212. Feeding side plate;

[0038] 3. Edge wrapping device; 31. Width adjustment mechanism; 32. Edge wrapping base; 33. Tape connection base; 34. Rubber-coated conveying shaft; 35. Tape guiding shaft; 36. Rubber-coated roller; 37. Guiding pressure roller; 38. Transfer pressure roller; 311. Transmission belt assembly; 312. Belt drive assembly; 313. Width adjustment guiding shaft; 361. Roller shaft; 362. Roller body; 363. Edge wrapping clamping groove; 371. Upper pressure roller; 372. Lower pressure roller; 4. Cutting device; 41. Cutting support frame; 42. Cutting drive mechanism; 43. Cutting tool;

[0039] 5. Blank discharging device; 51. Support fixture; 52. Storage mechanism; 53. Spacing adjustment mechanism; 54. Fixture flipping mechanism; 511. Vertical clamping plate; 512. Horizontal support plate; 531. Guide rod; 532. Sliding base; 533. Spacing adjustment transmission belt; 534. Transmission belt drive mechanism; 541. Flipping support frame; 542. Flipping power component; 543. Transmission hinge component; 544. Linkage hinge component; 5341. Transmission belt power component; 5342. Driving transmission wheel; 5343. Driven transmission wheel; 6. Transfer device; 61. Transfer shaft rod; 62. Transfer roller. Detailed implementation manners

[0040] The following will further describe the present application in detail with reference to the attached Figures 1-4 drawings.

[0041] An embodiment of the present application discloses an automatic edge wrapping machine for PCB boards. Referring to Figure 1 , an automatic edge wrapping machine for PCB boards includes a frame 1, a feeding device 2 provided on the frame 1, an edge wrapping device 3 provided on the frame 1 and located behind the feeding device 2, a cutting device 4 provided on the frame 1 and located behind the edge wrapping device 3, a blank discharging device 5 provided behind the cutting device 4, and a transfer device 6 provided between the cutting device 4 and the blank discharging device 5;

[0042] The edge wrapping device 3 includes a width adjustment mechanism 31 provided on the frame 1, an edge wrapping base 32 connected to the width adjustment mechanism 31, a tape connection base 33 pivotally connected to the edge wrapping base 32, a rubber-coated conveying shaft 34 provided on one side of the tape connection base 33 for tape conveying, a tape guiding shaft 35 provided on one side of the rubber-coated conveying shaft 34 and pivotally connected to the edge wrapping base 32, and a rubber-coated roller 36 provided on one side of the tape guiding shaft 35 for clamping the side edge of the PCB board.

[0043] The frame 1 of this application provides a stable support platform; the width adjustment mechanism 31 is used to adjust the distance between the two edge wrapping devices 3 to be applicable to PCB boards of different sizes; the material guiding device 2 ensures that the PCB board accurately enters the edge wrapping device 3; the tape is arranged on the tape connection base 33 and successively bypasses the tape wrapping conveying shaft 34, the tape guiding shaft 35 and the tape wrapping roller 36. The tape wrapping roller 36 is used to clamp the side edge of the PCB board to wrap and attach the tape to the side edge of the PCB board, improving the accuracy and efficiency of edge wrapping; the cutting device 4 is used to cut the tape on the PCB board after edge wrapping by the edge wrapping device 3 to ensure the edge wrapping quality; the transfer device 6 is used to move the PCB board cut by the cutting device 4 to the blanking device 5 to realize the smooth transfer of the PCB board, and the blanking device 5 is used to complete the blanking and collection of the PCB board after edge wrapping; this application improves the production efficiency and accuracy of PCB board edge wrapping, reduces the labor cost and labor intensity, and at the same time reduces the quality fluctuations and damage risks caused by manual operation.

[0044] This application also discloses that the tape wrapping conveying shaft 34 is driven by a motor to drive the tape to move;

[0045] As Figure 2 shown, the tape wrapping roller 36 includes a roller shaft 361 arranged on the edge wrapping base 32, and a roller body 362 movably sleeved on the roller shaft 361. The roller body 362 is provided with an edge wrapping clamping groove 363 sleeved on the circumferential side of the roller body 362 and used for the side edge of the PCB board to be inserted. The side wall of the edge wrapping clamping groove 363 is used to clamp the tape and the side edge of the PCB board; it not only ensures the tight fit between the tape and the edge of the PCB board, but also improves the accuracy and stability of the edge wrapping process, thereby improving the overall edge wrapping quality of the PCB board and reducing the quality problems caused by uneven or insecure edge wrapping.

[0046] The transfer device 6 includes a transfer shaft rod 61 arranged on the frame 1, and a transfer roller 62 sleeved on the transfer shaft rod 61; the transfer shaft rod 61 is driven by a motor to rotate to drive the transfer roller 62 to rotate, and then drive the PCB board to move.

[0047] Furthermore, as Figure 1 shown, the edge wrapping device 3 further includes a guiding pressure roller 37 arranged between the edge wrapping base 32 and the material guiding device 2, and a conveying pressure roller 38 arranged between the cutting device 4 and the transfer device 6; both the guiding pressure roller 37 and the conveying pressure roller 38 include an upper pressure roller 371 and a lower pressure roller 372 corresponding to the upper pressure roller 371. The upper pressure roller 371 and the lower pressure roller 372 are correspondingly matched to be used for clamping and conveying the PCB board.

[0048] The cooperation between the guiding pressure roller 37 and the conveying pressure roller 38 in this application improves the stability and conveying efficiency of the PCB board during the edge wrapping process; the guiding pressure roller 37 is located between the edge wrapping base 32 and the material guiding device 2, and the conveying pressure roller 38 is located between the cutting device 4 and the transfer device 6. Both are composed of an upper pressure roller 371 and a lower pressure roller 372. Through the corresponding cooperation of the upper pressure roller 371 and the lower pressure roller 372, the PCB board is effectively clamped and ensured to be smoothly conveyed during the edge wrapping process, preventing the PCB board from shifting or curling during the conveying process, thereby improving the accuracy and production efficiency of edge wrapping. At the same time, it also reduces damage or rework caused by unstable conveying, ensuring the processing quality of the PCB board.

[0049] Both the guiding pressure roller 37 and the conveying pressure roller 38 are preferably driven to rotate by a motor.

[0050] Furthermore, as Figure 3 shown, the width adjustment mechanism 31 includes a transmission belt assembly 311 arranged along the width direction of the frame 1, a belt drive assembly 312 for driving the transmission belt assembly 311 to move along the width direction of the frame 1, and a width adjustment guiding shaft 313 arranged on the frame 1; the edge wrapping base 32 is sleeved on the width adjustment guiding shaft 313 and is movably connected to the width adjustment guiding shaft 313. One side of the transmission belt assembly 311 is fixedly connected to the edge wrapping base 32 close to one side of the frame 1, and the other side of the transmission belt assembly 311 is fixedly connected to the edge wrapping base 32 close to the other side of the frame 1; the belt drive assembly 312 is used to drive the transmission belt assembly 311 to move, so that the transmission belt assembly 311 drives the two edge wrapping bases 32 to approach or move away from each other.

[0051] In this application, both sides of the transmission belt assembly 311 are fixedly connected to the edge wrapping bases 32 on both sides of the frame 1. The belt drive assembly 312 drives the transmission belt assembly 311 to move along the width direction of the frame 1, and then drives the two edge wrapping bases 32 on both sides to approach or move away from each other and slide on the width adjustment guiding shaft 313 to adapt to PCB boards of different widths; this design not only improves the adaptability and flexibility of the machine, but also simplifies the adjustment process, reduces manual intervention, improves the adjustment efficiency and accuracy, ensures the consistency and stability of the edge wrapping process, and thus improves the overall quality and production efficiency of PCB board edge wrapping.

[0052] The belt drive assembly 312 is preferably a motor.

[0053] Specifically, as Figure 1 shown, the material guiding device 2 includes a first material guiding plate 21 and a second material guiding plate 22 corresponding to the first material guiding plate 21. The first material guiding plate 21 and the second material guiding plate 22 enclose to form a material guiding channel 23 for the PCB board to pass through. The first material guiding plate 21 and the second material guiding plate 22 are used to respectively stick to both sides of the PCB board.

[0054] Through the corresponding arrangement of the first material guiding plate 21 and the second material guiding plate 22 in this application, a material guiding channel 23 is formed, and the material guiding channel 23 is used for the passage of the PCB board; the close contact of the first material guiding plate 21 and the second material guiding plate 22 ensures the stable guiding of the PCB board in the material guiding channel 23, thereby guaranteeing the accurate positioning and conveying of the PCB board before entering the edge wrapping device 3, improving the smoothness of the entire production process and the processing accuracy of the PCB board, helping to reduce the offset or vibration of the PCB board during the conveying process, ensuring the precise execution of the edge wrapping process, and enhancing the overall quality and efficiency of PCB board manufacturing.

[0055] More specifically, as Figure 3 shown, both the first material guiding plate 21 and the second material guiding plate 22 include a material guiding base 211 connected to the edge wrapping base 32, and a material guiding side plate 212 provided on the material guiding base 211.

[0056] In this application, the material guiding base 211 is connected to the edge wrapping base 32, ensuring the stability and positioning accuracy of the material guiding side plate 212; the material guiding side plate 212 is provided on the material guiding base 211 and is used to contact the two side edges of the PCB board to provide precise guiding and support; this not only enhances the stability and durability of the material guiding device 2, but also improves the positioning accuracy of the PCB board during the material guiding process, thereby ensuring that the PCB board smoothly and accurately passes through the material guiding channel 23, reducing errors and material waste during the processing, and enhancing the production efficiency and product quality;

[0057] Moreover, when the width adjustment mechanism 31 drives the edge wrapping base 32 to move, the edge wrapping base 32 drives the material guiding base 211 to move, so as to synchronously adjust the distance between the first material guiding plate 21 and the second material guiding plate 22, and further be applicable to the guiding of PCB boards of different sizes.

[0058] In addition, as Figure 1 shown, the cutting device 4 includes a cutting support frame 41 provided on the edge wrapping base 32, a cutting driving mechanism 42 provided on the cutting support frame 41, and a cutting tool 43 provided at the output end of the cutting driving mechanism 42.

[0059] In this application, the cutting support frame 41 is provided on the edge wrapping base 32 to provide a stable support for the cutting process; the cutting driving mechanism 42 is provided on the cutting support frame 41 and is responsible for driving the cutting action to ensure the smoothness and efficiency of the cutting process; the cutting tool 43 is provided at the output end of the cutting driving mechanism 42 to directly execute the cutting task and achieve the precise cutting of the tape; this design not only improves the cutting accuracy and efficiency, but also simplifies the operation of the cutting process, reduces manual intervention, reduces errors caused by improper operation, and ensures the cutting accuracy and consistency.

[0060] The cutting driving mechanism 42 is preferably a cylinder.

[0061] And, as Figure 1 and Figure 3 shown, the blanking device 5 includes a support fixture 51 for supporting the PCB board, a storage mechanism 52 disposed on the frame 1 and below the support fixture 51, a spacing adjustment mechanism 53 for driving the two support fixtures 51 to move away from or close to each other, and a fixture flipping mechanism 54 disposed on the spacing adjustment mechanism 53 and for driving the support fixture 51 to flip in the direction facing the storage mechanism 52.

[0062] The support fixture 51 of the present application is used to stably support the PCB board to ensure the stability of the PCB board during the blanking process; the storage mechanism 52 is disposed below the support fixture 51 and is used to collect the PCB boards with the edge wrapping completed, which is convenient for storage and subsequent processing; the spacing adjustment mechanism 53 is used to adjust the distance between the support fixtures 51 to adapt to PCB boards of different sizes, improving the adaptability and flexibility of the equipment; the fixture flipping mechanism 54 is disposed on the spacing adjustment mechanism 53 and can drive the support fixture 51 to flip in the direction facing the storage mechanism 52 to achieve the smooth blanking of the PCB board; the present application not only improves the efficiency and accuracy of blanking, but also reduces manual intervention, reduces the operation complexity, improves the automation level, and ensures the smooth and efficient blanking process of the PCB board after the edge wrapping.

[0063] The storage mechanism 52 is preferably a storage box.

[0064] Furthermore, as Figure 3 shown, the spacing adjustment mechanism 53 includes a guide rod 531 disposed on the frame 1, a sliding base 532 sleeved on the guide rod 531 and movably connected to the guide rod 531, a spacing adjustment transmission belt 533 disposed between the two guide rods 531 and for respectively connecting with the two sliding bases 532, and a transmission belt driving mechanism 534 disposed on the frame 1 and for driving the spacing adjustment transmission belt 533 to move; both sides of the spacing adjustment transmission belt 533 are fixedly connected to the two sliding bases 532 respectively.

[0065] In this application, the guide rod 531 is provided on the frame 1 to provide stable guidance for the sliding base 532. The sliding base 532 is sleeved on the guide rod 531 and is movably connected to the guide rod 531, enabling the sliding base 532 to move along the length direction of the guide rod 531. The spacing adjustment drive belt 533 is provided between the two guide rods 531 and is connected to the two sliding bases 532. Through the drive of the drive belt drive mechanism 534, the movement of the spacing adjustment drive belt 533 is realized, thereby adjusting the spacing between the two sliding bases 532. The two sides of the spacing adjustment drive belt 533 are respectively fixedly connected to the two sliding bases 532, ensuring the stability and synchronization of the spacing adjustment. This application enables the spacing adjustment mechanism 53 to flexibly and accurately adjust the spacing of the support fixture 51 according to the size of the PCB board, improving the adaptability and working efficiency of the blanking device 5, and at the same time ensuring the stability and accuracy of the PCB board during the blanking process.

[0066] Furthermore, as Figure 3 shown, the drive belt drive mechanism 534 includes a drive belt power assembly 5341 provided on one side wall of the frame 1, a driving transmission wheel 5342 provided at the output end of the drive belt power assembly 5341, and a driven transmission wheel 5343 provided on the other side wall of the frame 1. The spacing adjustment drive belt 533 is sleeved on the driving transmission wheel 5342 and the driven transmission wheel 5343 and is respectively meshed and cooperated with the driving transmission wheel 5342 and the driven transmission wheel 5343.

[0067] In this application, the drive belt power assembly 5341 is provided on one side wall of the frame 1 to provide the required power. The driving transmission wheel 5342 is provided at the output end of the drive belt power assembly 5341, is directly connected to the drive belt power assembly 5341, and drives the spacing adjustment drive belt 533 through the rotation of the driving transmission wheel 5342. The driven transmission wheel 5343 is provided on the other side wall of the frame 1, corresponds to the driving transmission wheel 5342, and cooperates with the driving transmission wheel 5342 to jointly guide and stabilize the operation of the spacing adjustment drive belt 533. The spacing adjustment drive belt 533 is sleeved on the driving transmission wheel 5342 and the driven transmission wheel 5343 and is meshed and cooperated with the driving transmission wheel 5342 and the driven transmission wheel 5343 to ensure the stable operation and precise control of the spacing adjustment drive belt 533. This design not only improves the transmission efficiency and stability but also realizes the precise adjustment of the spacing of the support fixture 51 by precisely controlling the position of the spacing adjustment drive belt 533, thereby adapting to the blanking requirements of PCB boards of different sizes, improving the flexibility and automation level of the blanking device 5, and ensuring the high efficiency and accuracy of the PCB board blanking process.

[0068] The drive belt power assembly 5341 is preferably a motor.

[0069] Specifically, as Figure 4As shown, the fixture flipping mechanism 54 includes a flipping support frame 541 provided on the sliding base 532, a flipping power assembly 542 provided on the flipping support frame 541, a transmission hinge assembly 543 connected to the output end of the flipping power assembly 542, and a linkage hinge assembly 544 with both ends respectively hinged to the support fixture 51 and the transmission hinge assembly 543. The middle position of the transmission hinge assembly 543 is hinged to the sliding base 532, and both ends of the transmission hinge assembly 543 are respectively hinged to the linkage hinge assembly 544 and the output end of the flipping power assembly 542;

[0070] The support fixture 51 includes a vertical clamping plate 511 connected to the sliding base 532 and a horizontal support plate 512 connected to the vertical clamping plate 511; the upper end of the vertical clamping plate 511 is hinged to the end of the linkage hinge assembly 544, and the lower end of the vertical clamping plate 511 is hinged to the sliding base 532;

[0071] The flipping power assembly 542 is used to pull one end of the transmission hinge assembly 543 to move vertically upward, so that the transmission hinge assembly 543 makes a flipping motion with the hinged position with the sliding base 532 as the rotation axis, so that the other end of the transmission hinge assembly 543 pushes the linkage hinge assembly 544, and the linkage hinge assembly 544 pushes the vertical clamping plate 511, so that the horizontal support plate 512 and the vertical clamping plate 511 flip along the direction facing the storage mechanism 52.

[0072] In this application, the flipping support frame 541 is provided on the sliding base 532 to provide a stable support point for the flipping action; the flipping power assembly 542 is provided on the flipping support frame 541 to provide the power required for flipping; the transmission hinge assembly 543 is connected to the output end of the flipping power assembly 542, and both ends of the linkage hinge assembly 544 are respectively hinged to the support fixture 51 and the transmission hinge assembly 543 to ensure the synchronization of the flipping action;

[0073] The support fixture 51 is composed of a vertical clamping plate 511 and a horizontal support plate 512. The upper end of the vertical clamping plate 511 is hinged to the linkage hinge assembly 544, and the lower end is hinged to the sliding base 532, ensuring the stability and adjustability of the fixture; driven by the flipping power assembly 542, the transmission hinge assembly 543 flips with the hinged position with the sliding base 532 as the axis, and then pushes the linkage hinge assembly 544, and the linkage hinge assembly 544 then pushes the vertical clamping plate 511 to realize the flipping of the horizontal support plate 512 and the vertical clamping plate 511 along the direction facing the storage mechanism 52;

[0074] This application not only improves the automation level of the PCB board blanking process, but also ensures the smooth transfer and accurate placement of the PCB board during the blanking process by precisely controlling the flipping action, reduces the need for manual operations, improves production efficiency and operation safety, and at the same time provides guarantee for the adaptability of PCB boards of different sizes, enhancing the functionality and flexibility of the entire blanking device 5.

[0075] The flipping power assembly 542 is preferably a cylinder.

[0076] The implementation principle of an automatic edge wrapping machine for PCB boards in an embodiment of this application is as follows:

[0077] The frame 1 provides a stable support platform; the width adjustment mechanism 31 is used to adjust the distance between the two edge wrapping devices 3 to be applicable to PCB boards of different sizes; the guiding device 2 ensures that the PCB board accurately enters the edge wrapping device 3; the tape is provided on the tape connection base 33 and sequentially bypasses the tape wrapping conveying shaft 34, the tape guiding shaft 35 and the tape wrapping roller 36. The tape wrapping roller 36 is used to clamp the side edge of the PCB board to wrap and attach the tape to the side edge of the PCB board, improving the edge wrapping accuracy and efficiency; the cutting device 4 is used to cut the tape on the PCB board after edge wrapping by the edge wrapping device 3 to ensure the edge wrapping quality; the transfer device 6 is used to move the PCB board cut by the cutting device 4 to the blanking device 5 to achieve smooth transfer of the PCB board, and the blanking device 5 is used to complete the blanking and collection of the edge-wrapped PCB board; this application improves the production efficiency and accuracy of PCB board edge wrapping, reduces labor costs and labor intensity, and at the same time reduces quality fluctuations and damage risks caused by manual operations;

[0078] Both sides of the transmission belt assembly 311 are fixedly connected to the edge wrapping bases 32 on both sides of the frame 1, and the belt drive assembly 312 drives the transmission belt assembly 311 to move along the width direction of the frame 1, thereby driving the two edge wrapping bases 32 to approach or move away from each other and slide on the width adjustment guiding shaft 313 to adapt to PCB boards of different widths; this design not only improves the adaptability and flexibility of the machine, but also simplifies the adjustment process, reduces manual intervention, improves the adjustment efficiency and accuracy, ensures the consistency and stability of the edge wrapping process, and thus improves the overall quality and production efficiency of PCB board edge wrapping;

[0079] The flipping support frame 541 is provided on the sliding base 532 to provide a stable support point for the flipping action; the flipping power assembly 542 is provided on the flipping support frame 541 to provide the power required for flipping; the transmission hinge assembly 543 is connected to the output end of the flipping power assembly 542, and both ends of the linkage hinge assembly 544 are hinged to the support fixture 51 and the transmission hinge assembly 543 respectively to ensure the synchronization of the flipping action; the support fixture 51 is composed of a vertical clamping plate 511 and a horizontal support plate 512. The upper end of the vertical clamping plate 511 is hinged to the linkage hinge assembly 544, and the lower end is hinged to the sliding base 532 to ensure the stability and adjustability of the fixture; driven by the flipping power assembly 542, the transmission hinge assembly 543 flips with the hinge position with the sliding base 532 as the axis, and then pushes the linkage hinge assembly 544, and the linkage hinge assembly 544 then pushes the vertical clamping plate 511 to realize the flipping of the horizontal support plate 512 and the vertical clamping plate 511 along the direction facing the storage mechanism 52;

[0080] This application not only improves the automation degree of the PCB board blanking process, but also ensures the smooth transfer and accurate placement of the PCB board during the blanking process by precisely controlling the flipping action, reduces the need for manual operation, improves the production efficiency and operation safety, and also provides guarantee for the adaptability of different sizes of PCB boards, enhancing the functionality and flexibility of the entire blanking device 5.

[0081] The above are all the preferred embodiments of this application, and the protection scope of this application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape and principle of this application shall be covered within the protection scope of this application.

Claims

1. An automatic hemming machine for PCB boards, characterized in that: The machine comprises a frame (1), a material guiding device (2) arranged on the frame (1), an edge binding device (3) arranged on the frame (1) and located at the rear side of the material guiding device (2), a cutting device (4) arranged on the frame (1) and located at the rear side of the edge binding device (3), a material unloading device (5) arranged at the rear side of the cutting device (4), and a transfer device (6) arranged between the cutting device (4) and the material unloading device (5); The edge wrapping device (3) comprises a width adjustment mechanism (31) arranged on the frame (1), an edge wrapping base (32) connected to the width adjustment mechanism (31), a tape connection base (33) axially connected to the edge wrapping base (32), a rubber wrapping conveying shaft (34) arranged on one side of the tape connection base (33) and used for conveying the tape, a tape guide shaft (35) arranged on one side of the rubber wrapping conveying shaft (34) and axially connected to the edge wrapping base (32), and a rubber wrapping roller (36) arranged on one side of the tape guide shaft (35) and used for clamping the side edge of the PCB board.

2. The automatic hemming machine for PCB boards according to claim 1, characterized in that: The hemming device (3) further comprises a guide roller (37) arranged between the hemming base (32) and the material guiding device (2), and a conveying roller (38) arranged between the cutting device (4) and the transfer device (6); the guide roller (37) and the conveying roller (38) both comprise an upper roller (371) and a lower roller (372) arranged corresponding to the upper roller (371), and the upper roller (371) and the lower roller (372) cooperate with each other to clamp and convey the PCB board.

3. The automatic hemming machine for PCB boards according to claim 1, characterized in that: The width adjustment mechanism (31) comprises a transmission belt assembly (311) arranged along the width direction of the frame (1), a belt driving assembly (312) used for driving the transmission belt assembly (311) to move along the width direction of the frame (1), and a width adjustment guide shaft (313) arranged on the frame (1); the edge binding base (32) is sleeved on the width adjustment guide shaft (313) and movably connected to the width adjustment guide shaft (313); one side of the transmission belt assembly (311) is fixedly connected to the edge binding base (32) close to one side of the frame (1), and the other side of the transmission belt assembly (311) is fixedly connected to the edge binding base (32) close to the other side of the frame (1); the belt driving assembly (312) is used for driving the transmission belt assembly (311) to move, so that the transmission belt assembly (311) drives the two edge binding bases (32) to move closer to or farther away from each other.

4. The automatic hemming machine for PCB boards according to claim 1, characterized in that: The material guide device (2) comprises a first material guide plate (21) and a second material guide plate (22) arranged corresponding to the first material guide plate (21), the first material guide plate (21) and the second material guide plate (22) being arranged to form a material guide channel (23) for the PCB to pass through, and the first material guide plate (21) and the second material guide plate (22) being used to respectively cling to two side edges of the PCB.

5. The automatic hemming machine for PCB board according to claim 4, characterized in that: The first material guide plate (21) and the second material guide plate (22) both comprise a material guide base (211) connected to the edge binding base (32), and a material guide side plate (212) arranged on the material guide base (211).

6. The automatic hemming machine for PCB boards according to claim 1, characterized in that: The cutting device (4) comprises a cutting support frame (41) arranged on the hemming base (32), a cutting drive mechanism (42) arranged on the cutting support frame (41), and a cutting tool (43) arranged at the output end of the cutting drive mechanism (42).

7. The automatic hemming machine for PCB boards according to claim 1, characterized in that: The unloading device (5) comprises a supporting fixture (51) for supporting a PCB board, a storage mechanism (52) arranged on the frame (1) and located below the supporting fixture (51), a spacing adjustment mechanism (53) for driving the two supporting fixtures (51) to move away from or closer to each other, and a fixture flipping mechanism (54) arranged on the spacing adjustment mechanism (53) and used to drive the supporting fixture (51) to flip in a direction facing the storage mechanism (52).

8. The automatic hemming machine for PCB boards according to claim 7, characterized in that: The spacing adjustment mechanism (53) comprises a guide rod (531) arranged on the frame (1), a sliding base (532) sleeved on the guide rod (531) and movably connected to the guide rod (531), a spacing adjustment transmission belt (533) arranged between the two guide rods (531) and used to be respectively connected to the two sliding bases (532), and a transmission belt driving mechanism (534) arranged on the frame (1) and used to drive the spacing adjustment transmission belt (533) to move; both sides of the spacing adjustment transmission belt (533) are respectively fixedly connected to the two sliding bases (532).

9. The automatic hemming machine for PCB board according to claim 8, characterized in that: The transmission belt driving mechanism (534) comprises a transmission belt power assembly (5341) arranged on one side wall of the frame (1), an active transmission wheel (5342) arranged at the output end of the transmission belt power assembly (5341), and a driven transmission wheel (5343) arranged on the other side wall of the frame (1); the spacing adjustment transmission belt (533) is sleeved on the active transmission wheel (5342) and the driven transmission wheel (5343) and is respectively meshed with the active transmission wheel (5342) and the driven transmission wheel (5343).

10. The automatic hemming machine for PCB boards according to claim 9, characterized in that: The fixture flipping mechanism (54) comprises a flipping support frame (541) arranged on the sliding base (532), a flipping power assembly (542) arranged on the flipping support frame (541), a transmission hinge assembly (543) connected to the output end of the flipping power assembly (542), and a linkage hinge assembly (544) whose two ends are respectively hinged to the support fixture (51) and the transmission hinge assembly (543), wherein the middle position of the transmission hinge assembly (543) is hinged to the sliding base (532), and the two ends of the transmission hinge assembly (543) are respectively hinged to the linkage hinge assembly (544) and the output end of the flipping power assembly (542); The supporting fixture (51) comprises a vertical clamping plate (511) connected to the sliding base (532), and a horizontal supporting plate (512) connected to the vertical clamping plate (511); the upper end of the vertical clamping plate (511) is hinged to the end of the linkage hinge assembly (544), and the lower end of the vertical clamping plate (511) is hinged to the sliding base (532); The flipping power assembly (542) is used to pull one end of the transmission hinge assembly (543) to move vertically upward, so that the transmission hinge assembly (543) performs a flipping movement with the hinge position with the sliding base (532) as the rotation axis, so that the other end of the transmission hinge assembly (543) pushes the linkage hinge assembly (544), and the linkage hinge assembly (544) pushes the vertical clamping plate (511), so that the horizontal support plate (512) and the vertical clamping plate (511) flip in the direction facing the storage mechanism (52).

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