Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by those skilled in the art without inventive effort from the following figures.
Fig. 1 is a block diagram of an automatic circuit board production apparatus to which an embodiment of a pick-up device of the present invention is applied.
Fig. 2 is a block diagram of a feeding table of the embodiment of the automatic circuit board production apparatus shown in fig. 1.
Fig. 3 is a block diagram of a take-out device of the embodiment of the automatic circuit board production apparatus shown in fig. 1.
Fig. 4 is a block diagram of an embodiment of a screen printing apparatus according to the invention.
Fig. 5 is an exploded view of a pusher assembly of an embodiment of a screen printing device according to the present invention.
Fig. 6 is a block diagram of a silk screen printing apparatus according to one embodiment of the invention, after concealing parts.
Fig. 7 is a partial cross-sectional view of an embodiment of a screen printing apparatus of the invention.
Fig. 8 is an enlarged view of a portion of the structure shown in fig. 7.
Fig. 9 is a partial cross-sectional view of a curing apparatus of the embodiment of the automatic circuit board production apparatus shown in fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 and 2, an automatic circuit board production device 100 using a screen printing device 6 of this embodiment includes a feeding table 1 and a spraying device 2, the spraying device 2 is arranged on the feeding table 1, the feeding table 1 is provided with a feeding member 3, the automatic circuit board production device 100 further includes a material taking device 5, the screen printing device 6 and a curing device 7, the material taking device 5 is arranged in a material loading area 8 and a material unloading area 9 of the feeding table 1, the screen printing device 6 and the curing device 7 are uniformly arranged between the material loading area 8 and the material unloading area 9, and the spraying device 2 is arranged between the curing device 7 and the material unloading area 9. The feeding part 3 is a rotating wheel, and the rotating wheels are oppositely arranged in two rows. The feeding area 8 comprises a feeding placement area 10 and a feeding conveying area 11, and the feeding placement area 10 and the feeding conveying area 11 are respectively provided with a material taking device 5. The blanking area 9 comprises a blanking placing area 12 and a blanking conveying area 13, wherein the blanking placing area 12 and the blanking conveying area 13 are respectively provided with a material taking device 5, and the feeding area 8 and the blanking area 9 are respectively provided with a control platform.
Referring to fig. 3, the material taking device 5 includes a material taking member 15, a material taking positioning frame 16 and a material taking guide rail 17, wherein the material taking member 15 is assembled on the material taking positioning frame 16, and the material taking positioning frame 16 is assembled on the material taking guide rail 17. The material taking positioning frame 16 comprises a first rod 18 and a second rod 19, the number of the first rods 18 is two, the number of the second rods 19 is two, the material taking piece 15 is assembled on the first rods 18, and the first rods 18 are detachably connected with the second rods 19. The material taking positioning frame 16 comprises a material taking cylinder 20, a first connecting piece 21, a fixed plate 23, a second connecting piece 22 and a transmission rod 24, wherein the first connecting piece 21 is connected with the fixed plate 23 and the second rod 19, the fixed plate 23 is connected with the first connecting piece 21 and the second connecting piece 22, the second connecting piece 22 is connected with the fixed plate 23 and the transmission rod 24, the transmission rod 24 is connected with a piston rod of the material taking cylinder 20, and the first connecting piece 21 and the second connecting piece 22 are arranged on two sides of the transmission rod 24. The take-off 15 is a vacuum nozzle. The material taking piece 15 is used for fixing the substrate, the material taking positioning frame 16 drives the material taking piece 15 to move along the material taking guide rail 17, and the substrate synchronously moves along with the material taking piece 15, so that the material taking piece 15 can automatically move the substrate to a conveying area of automatic circuit board production equipment, and the production efficiency is improved.
Referring to fig. 4 and 5, the screen printing device 6 includes a dust removing assembly 25 and a pushing assembly 26, the dust removing assembly 25 is symmetrically arranged at two sides of the screen printing device 6, and the pushing assembly 26 is positioned in the screen printing device 6; the screen printing device 6 comprises a guide member 27 and a screen printing guide rail 28, wherein the guide member 27 is assembled on the feeding table 1, and the screen printing guide rail 28 is assembled on the guide member 27. The dust removing assembly 25 comprises a dust removing piece 29, a dust removing connecting rod 30 and a dust removing connecting plate 31, wherein the dust removing piece 29 is connected to the dust removing connecting plate 31 through the dust removing connecting rod 30, and the dust removing connecting plate 31 is assembled on the screen printing guide rail 28. The pushing assembly 26 comprises a pushing member 32 and a pushing cylinder 46, wherein the pushing member 32 is connected to the pushing cylinder 46, and the pushing cylinder 46 is connected to the feeding table 1. The number of the pushing assemblies 26 is two, and the silk screen members 33 are assembled on the silk screen guide rails 28. The screen printing member 33 and the dust removing member 29 can be moved vertically along the guide member 27 at the same time, and the screen printing member 33 can be moved horizontally along the screen printing guide rail 28.
Referring to fig. 5, the pushing assembly 26 further includes a pushing guide rail 47 and a pushing slider 48, where the pushing slider 48 is sleeved on the pushing guide rail 47. The first portion 49 of the pusher 32 is fitted to the pusher slide 48. The second portion 50 of the pusher 32 abuts the piston of the pusher cylinder. The pushing assembly 26 comprises a connecting frame 51, wherein the connecting frame 51 comprises a vertical plate 52, a first transverse plate 53 and a second transverse plate 54, and the vertical plate 52 is connected with the first transverse plate 53 and the second transverse plate 54. The pushing cylinder 46 is assembled on the bottom surface of the first transverse plate 53, and the pushing guide rail 47 is assembled on the top surface of the first transverse plate 53. The dust removing assembly 25 automatically removes dust attached to the substrate, and the screen printing member 33 performs ink screen printing on the substrate.
Referring to fig. 6 to 8, the screen printing device 6 comprises a positioning assembly 57, a first carrier 58 and a second carrier 59, between which the pusher assembly 26 and the positioning assembly 57 are arranged. The positioning assembly 57 comprises a positioning cylinder 60 and a positioning plate 61, which is connected to a piston rod of the positioning cylinder 60. The first carrier 58 is provided with a stop cylinder 62 and a stop plate 63, the stop plate 63 being connected to the piston rod of the stop cylinder 62. The screen printing device 6 further comprises an auxiliary air cylinder 66, an auxiliary frame 64 and an auxiliary wheel 65, wherein the auxiliary air cylinder 66, the auxiliary frame 64 and the auxiliary wheel 65 are arranged at two ends of the first carrier 58 and the second carrier 59, a piston rod of the auxiliary air cylinder 66 is connected to the auxiliary frame 64, and the auxiliary wheel 65 is assembled on the auxiliary frame 64. Each auxiliary wheel 65 is connected to one feeding member 3 through a conveyor belt 67, the substrate moves to a preset position of the first carrier 58 and the second carrier 59 along with the conveyor belt 67, the positioning plate 61 is abutted against the substrate, the stop plate 63 and the stop cylinder 62 clamp the conveyor belt 67, the conveyor belt 67 stops conveying, the substrate is positioned on the first carrier 58 and the second carrier 59, and the screen printing member 33 performs ink screen printing on the substrate. Therefore, the screen printing device 6 can automatically complete dust removal and printing ink screen printing, and the production efficiency is improved. The pushing member 32 further includes a pushing portion 55, where the pushing portion 55 is fixed to the first portion 49, the pushing portion 55 is a cylinder, and a limiting ring 56 is disposed on an outer wall of the pushing portion 55. After the silk-screen process is completed, the PCB substrate is carried on the first portion 49, the pushing portion 55 is abutted against the PCB substrate, the pushing cylinder 46 applies force on the second portion 50, the pushing member 32 moves along with the pushing portion, the positioning plate 61 moves towards the feeding table 1, the stop plate 63 moves away from the stop cylinder 62, the conveyor belt 67 moves along with the positioning plate, and the pushing portion 55 moves synchronously to convey the PCB substrate after the silk-screen process to a device for executing the next process.
Referring to fig. 9, the curing device 7 includes a lamp cover 34, a positioning member 35 and a ventilation member 36, the lamp cover 34 is connected to the positioning member 35, the lamp cover 34 and the positioning member 35 are both located in the curing device 7, the ventilation member 36 is disposed on a top wall of the curing device 7, the ventilation member 36 is connected to an air outlet 37 of the curing device 7 in a pipeline manner, the number of the curing devices 7 is two, and the ventilation member 36 is an exhaust fan. The curing device 7 comprises a dust guard 38, the dust guard 38 being arranged at a side wall of the curing device 7. The dust guard 38 is a dust shutter. The curing device 7 comprises a connecting column 39, the connecting column connects the lampshade 34 with the positioning piece 35, the positioning piece 35 comprises a positioning groove 40 and a movable groove 41, the connecting column 39 is abutted to the groove wall of the positioning groove 40, and the positioning groove 40 is communicated with the movable groove 41. Each curing device 7 comprises two lamp shades 34, and two positioning members 35 are respectively arranged at two ends of each lamp shade 34. Two air ports 42 are arranged in the curing device 7, and the air ports 42 are communicated with the air outlet 37.
Referring to fig. 1 to 6, a user transfers a plurality of substrates to the loading and placing area 10 using a forklift, and the pick-up device 5 located in the loading and placing area 10 sucks a substrate 43, and the pick-up device 5 located in the loading and transferring area 11 places the substrate on the feeding member 3. The feeder 3 conveys the substrate 43 to the carrying section of the screen printing apparatus 6, and the screen printing member 33 performs ink screen printing on the substrate 43. After the printing ink silk screen printing process is finished, the pushing cylinder pushes the pushing piece 32, the substrate moves into the curing device 7 under the action of the pushing piece 32 and the feeding piece 3, and the curing device 7 carries out UV curing on the substrate. The substrate after UV curing is moved to the spraying device 2 under the action of the feeding part 3, and the spraying device 2 automatically sprays copper powder lines. Then, the circuit board 45 moves to the blanking conveying area 13, the circuit board 45 is sucked by the material taking device 5 positioned in the blanking conveying area 13, the circuit board is conveyed to the blanking placing area 12 by the material taking device 5 positioned in the blanking placing area 12, and copper powder remained on the surface of the circuit board is recovered by production line personnel, so that the automatic production of the circuit board by an addition method is realized. The circuit board automatic production equipment 100 realizes the addition method production of the circuit board, simplifies the production process flow, reduces the production cost, and can be a single-layer PCB, a double-sided PCB or a multi-layer PCB.
Finally, it should be emphasized that the present invention is not limited to the above-described embodiments, but is merely preferred embodiments of the invention, and any modifications, equivalents, improvements, etc. within the spirit and principles of the invention are intended to be included within the scope of the invention.