Background technology
PCB, Chinese is printed circuit board, is important electronic unit, is the supporter of electronic devices and components, is the supplier of electronic devices and components electrical connection.
The manufacturing process of PCB needs use a kind of micro-brill, drill point diameter is at the microbit of below 3.175mm, at present, in PCB micro-brill course of processing, especially PCB is micro-be drilled through CNC fluting after, generally from CNC spindle product clamping mechanism, taken off the micro-brill of manufactured PCB by manual hand manipulation, owing to the micro-drill diameter of PCB is smaller, manual hand manipulation is very inconvenient, and the micro-brill of PCB easily hinders hands, if the micro-brill of PCB once penetrates in hands, it is difficult to be removed, it is necessary to could take out through hospital surgical special tool(s);Further, since the material characteristic that wolfram steel is hard and crisp, there is breach, and are difficult to be examined out in the cutting edge touching the micro-brill of PCB that (hitting) this may result in processing slight during manual hand manipulation or the angle of rifling.
Summary of the invention
It is an object of the invention to the deficiency that changes in existing PCB micro-brill process technology and provide a kind of for the micro-CNC blanking disc inserting device boring fluting of PCB, to realize, PCB is micro-bores the automatization of processing, systematization, improve production efficiency, reduce labour cost, improve the quality of the micro-brill of PCB, reduce the micro-cost boring processing of PCB, it is ensured that the safety of operator in PCB micro-brill course of processing.
The technical solution adopted in the present invention:
A kind of for the micro-CNC blanking disc inserting device boring fluting of PCB, including cutting agency and receiving mechanism, it is characterized in that: described cutting agency includes blanking frame, blanking pneumatic-finger and receiving hopper are installed in blanking frame, receiving hopper is in the lower section of pneumatic-finger, the bottom of receiving hopper is provided with feed opening, is provided with tremie pipe at feed opening;Described receiving mechanism includes rewinding upper and lower air cylinders, is positioned at the XY mobile device below rewinding upper and lower air cylinders and the charging tray point position plate for carrying charging tray being installed in XY mobile device;The bottom of rewinding upper and lower air cylinders is provided with deflector chute, and the bottom of tremie pipe is stretched in deflector chute.
Described deflector chute periphery is provided with annular metal detection sensor device.
Described XY mobile device includes X-axis mobile platform and Y-axis mobile platform, X-axis mobile platform includes X-axis mobile platform base plate, it is provided with X-axis linear guides on X-axis mobile platform base plate, the X-axis slip load bearing seat matched with it is installed on X-axis linear guides, being provided with the X-axis identical with its moving direction on X-axis slip load bearing seat and drive leading screw, one end of X-axis mobile platform base plate is provided with for driving X-axis to drive the X-axis drive stepping motor of leading screw;Y-axis mobile platform includes Y-axis mobile platform base plate, it is provided with Y-axis linear guides on Y-axis mobile platform base plate, the Y-axis slip load bearing seat matched with it is installed on Y-axis linear guides, being provided with the Y-axis identical with its moving direction on Y-axis slip load bearing seat and drive leading screw, one end of Y-axis mobile platform base plate is provided with for driving Y-axis to drive the Y-axis drive stepping motor of leading screw.
Described Y-axis mobile platform is installed on X-axis slip load bearing seat, the XY shaft platform connecting plate for connecting Y-axis mobile platform and X-axis slip load bearing seat it is provided with between Y-axis mobile platform and X-axis slip load bearing seat, in normal work, by moving in the vertical direction of X-axis with Y-axis, arrive the optional position on charging tray.
Being provided with lubricating oil circulation in described tremie pipe, protection drill point will cause product bad because of excessive velocities during declining.
Described charging tray point position plate is arranged on Y-axis slip load bearing seat.
Being provided with on described Y-axis slip load bearing seat and connect oil tray, charging tray point position plate is installed on and connects in oil tray.Beneficial effects of the present invention:
1, the present invention utilizes metal material principle of induction, blanking device of arranging in pairs or groups, it is achieved automatic material receiving, substitute rewinding operation manually, improve the speed of rewinding after the micro-brill of PCB is slotted, reduce the micro-cost boring processing of PCB, it is ensured that the safety of operator during PCB micro-brill rewinding.
2, the present invention utilizes metal material principle of induction, collocation blanking device, can realize automatic material receiving to the drill bit of different-diameter, length, and the speed slotted by micro-for PCB brill CNC promotes 600%, and material puts into the accuracy rate of charging tray and can reach 100%, during rewinding, the scrappage of product reduces to 0%.
3, the present invention utilizes metal material principle of induction, it is achieved automatic charging rewinding function, and safeguard work personnel remain to normal rewinding the most in case.
4, the present invention uses feeding pipe, is provided with lubricating oil circulation, utilizes the principle of track and freely falling body in pipeline, it is ensured that the micro-brill of PCB can smooth and easy landing to charging tray, reduce energy resource consumption.
5. the present invention uses Double-tray rewinding; each charging tray can feed 500; charging tray hole equidistant 6mm x 6mm array distribution; board work can not be shut down and change dish; (i.e. A dish is adjusted to B dish rewinding automatically after filling; warning reminding operator put A dish material away simultaneously, place empty charging tray simultaneously, have circulated successively and do not shut down rewinding).
6. the subsidiary oil drain pan of the present invention, through lubricating oil unified recovery, recycling after collecting in oil drain pan that pipeline flows out, accomplishes energy-conserving and environment-protective.
Detailed description of the invention
As shown in Figure 1, for the micro-CNC blanking disc inserting device boring fluting of PCB, including cutting agency and be positioned at the receiving mechanism below cutting agency, cutting agency includes blanking frame 21, blanking pneumatic-finger 1 and receiving hopper 2 are installed in blanking frame 21, receiving hopper 2 is in the lower section of pneumatic-finger 1, and the bottom of receiving hopper 2 is provided with feed opening, is provided with tremie pipe 3 at feed opening;Above-mentioned receiving mechanism includes rewinding upper and lower air cylinders 4, is positioned at the XY mobile device below rewinding upper and lower air cylinders 4 and the charging tray point position plate 8 for carrying charging tray being installed in XY mobile device;The bottom of rewinding upper and lower air cylinders 4 is provided with deflector chute 6, and deflector chute 6 periphery is provided with annular metal detection sensor device 5, and the bottom of tremie pipe 3 stretches in deflector chute 6.
As in figure 2 it is shown, above-mentioned XY mobile device includes X-axis mobile platform and Y-axis mobile platform, Y-axis mobile platform is installed on X-axis mobile platform with crossing XY shaft platform connecting plate;X-axis mobile platform includes X-axis mobile platform base plate 15, it is provided with X-axis linear guides 20 on X-axis mobile platform base plate 15, the X-axis slip load bearing seat 18 matched with it is installed on X-axis linear guides 20, being provided with the X-axis identical with its moving direction on X-axis slip load bearing seat 18 and drive leading screw 17, one end of X-axis mobile platform base plate 15 is provided with for driving X-axis to drive the X-axis drive stepping motor 16 of leading screw 17;Y-axis mobile platform includes Y-axis mobile platform base plate 10, Y-axis mobile platform base plate 10 is arranged on X-axis slip load bearing seat 18 by XY shaft platform connecting plate 14, it is provided with Y-axis linear guides 19 on Y-axis mobile platform base plate 10, the Y-axis slip load bearing seat 13 matched with it is installed on Y-axis linear guides 19, being provided with the Y-axis identical with its moving direction on Y-axis slip load bearing seat 13 and drive leading screw 12, one end of Y-axis mobile platform base plate is provided with for driving Y-axis to drive the Y-axis drive stepping motor 11 of leading screw 12;Being provided with on Y-axis slip load bearing seat 13 and connect oil tray 9, charging tray point position plate 8 is installed on and connects in oil tray 9.
Operation principle: automatic material blanking mechanism pneumatic-finger 1 takes out the product processed from apparatus processing portion, put into receiving hopper 2, utilize tremie pipe 3 that product freely falling body is fallen into material collecting device, after falling in the rewinding hole on rewinding dish 7 after product is by the annular metal detection sensor device 5 of material collecting device, after annular metal detection sensor device 5 detects, control rewinding upper and lower air cylinders 4 vertical ascent, to avoid product, XY mobile platform drags the charging tray 7 on charging tray point position plate 8 according to the parameter set and moves to next position, hole, rewinding upper and lower air cylinders 4 declines wait next one circulation, after a charging tray is received completely, XY mobile platform drives charging tray automatically to move to next charging tray continuation rewinding, operator are more reloaded after hearing prompt tone, complete not shut down rewinding.