CN1545375A - Intelligent circuit board mill - Google Patents
Intelligent circuit board mill Download PDFInfo
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- CN1545375A CN1545375A CNA2003101123443A CN200310112344A CN1545375A CN 1545375 A CN1545375 A CN 1545375A CN A2003101123443 A CNA2003101123443 A CN A2003101123443A CN 200310112344 A CN200310112344 A CN 200310112344A CN 1545375 A CN1545375 A CN 1545375A
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- wiring board
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Abstract
The invention is a circuit board carving maker, including dustproof and sound-proof case, control button, processor, processing cutter, spindle, spindle electric machine, step driving electric machine, driving circuit, direction guide rails, switch socket, etc. The spindle and working table are driven by three step driving electric machines driving the direction guide rails. Each axial motion is implemented by the processor calculating and sending instructions to control the step driving electric machines. The master control panel of the case is installed with many control buttons, spindle working switch, communication interface, on-line button, etc, where the control buttons can inch the spindle for processing. A machine runs DK software to directly read data from PCB files of PROTEL design drawing of the circuit board and intelligently converts the data to machine instructions, so as to instruct the maker to generate carving paths and directly process. It has low cost but high efficiency, high quality of making and can implement reading data from design drawing of a circuit board to automatically carve and process.
Description
Affiliated technical field
The present invention relates to engraving machine, relate in particular to the wiring board engraving and make machine.
Background technology
The wiring board that the domestic market does not have fast wiring board to be carved is carved maker.At present, blank wiring board is to paste the copper that covers one deck conduction on insulating body, and the trial-production of PCB wiring board or making are normally delivered to professional circuit board plant to the PCB file that designs and directly made, and common this process will be through the three days time to a week.In the product development process at least through three or five times, tens times modification makes the wait that wiring board that the developer is out of patience too much is made at most, so the developer realizes the quick Fabrication wiring board by various methods under the experimental situation, mainly contain physical method and chemical corrosion method, the employing laser cutting method is also arranged.Physical method mainly is: finish line map earlier in blank copper-clad plate according to designing requirement, by utilizing various cutters and electric tool etc., manual unwanted copper on the wiring board is carved gone, this method is relatively required great effort, and precision is low, has only simple relatively, less demanding wiring board just may adopt.Physical method is because all processes all are manual operationss, and time-consuming, efficient is low, and because the staff ballast can not be accomplished high-precision wiring board.In addition, whole operation must be meticulous, accidentally carves the lines that should not carve that broken, and all must heavily come, and have hidden danger of quality.Chemical corrosion method mainly is: use up earlier and paint or photographic process is produced negative, mask when negative is exposure, the dry film post-exposure is developed in the hot pressing of metallic plate two sides again, the dry film that solidifies is sheltered the part that needs keep, promptly by protective mulch in blank copper-clad plate, and the part that needs are removed is exposed, unnecessary copper etching off, the corrosion back is cleaned and oven dry in corrosive solution; Wherein the method for protective mulch is varied, mainly contains the hot transfer printing printing pcb board method that the most traditional craft is retouched the lacquer method, pasted adhesive sticker method, the light reaching the film method of customization and just grow up in recent years.For the wiring board of making more complicated, adopt the chemical corrosion method reliability higher, cost is lower, and therefore current most developer uses chemical corrosion method.But chemical corrosion method is owing to must corrode the entire plate bubble in solution, must clean and oven dry after the corrosion, wiring board is done one through a cold heat, one and is wet, the adhesive force of copper is covered in influence greatly, may be in the experimental debugging process owing to change the electronic original part of different parameters and cause that copper sheet is peeled off and come off, see at microscopically and can find out that lines show off trapezoidally, the edge is irregular, and shape and size are out of control easily.
The lines section that physics carves out is shown off trapezoid, and the icking tool angle of edge angle is identical, and is linear good.So the physics engraving is better than chemical etching on end product quality.Physical method is because all processes all are manual operations, and is time-consuming, and because the staff ballast can not be accomplished high-precision wiring board.In addition, have irrecoverable property, whole operation must be meticulous, accidentally carves the lines that should not carve that broken, and all must heavily come.
Physics and chemical corrosion method all will be drawn or photographic exposure obtain the wiring board pattern according to the design needs, and this process is complicated and make mistakes easily.
Laser cutting method computer control laser head heating, melt, be cut on the blank wiring board of evaporation that material realizes, it has efficient height, the measured advantage of matter, but its equipment cost is too high, and a set of equipment often needs millions of even up to ten million units.
Because the making of pcb board so bothers, particularly for beginner and the electronic circuitry design engineer who partly lacks experience, often owing to pcb board abandons well designing one by one inspiration.The technical school of domestic institution of higher learning and electronics specialty, also owing to pcb board is abandoned experimentation, cause the student in learning process, to lack learning interest, do not have manipulative ability, electron trade to be badly in need of a kind of efficient, automatic, simple to operate, intelligent wiring board maker at a low price after the graduation fully.
Summary of the invention
In order to overcome the manual operations that existing wiring board exists in physics is made, efficient is low, can not accomplish deficiencies such as high-precision wiring board, and overcome in chemical corrosion is made, exist of poor quality, lines are shown off trapezoidal, the edge is irregular, shortcomings such as shape and size are out of control easily, the invention provides a kind of intelligent wiring board maker, not only cost is inefficient high for it, the quality of making wiring board is good, the lines geomery is controlled easily, but the wiring board of quick Fabrication complexity, and can be directly from the wiring board design drawing sense data carry out the wiring board that Carving Machining obtains meeting the requirements automatically.
The general thought that the present invention solves technical scheme that its technical problem adopts is: it utilizes physics engraving process, by computer control, in the copper-clad plate of blank unnecessary Copper Foil is milled, and forms the wiring board that the user customizes surely.The highest PROTEL software of its compatible domestic utilization rate, directly utilize the PCB fileinfo of PROTEL, under the situation that turns over journey, directly exporting engraved data, doing engraving, boring, side cut work by the self-defining data format control of computer maker.PROTEL company is one of pcb board computer aided design software largest production merchant in the world, the designed PCB file format of PROTEL becomes the bridge of each designer and circuit board plant communication, the PCB file has comprised all designers' design idea, and circuit board plant can be constructed by figure according to the PCB file fully.The PCB file format of the first-selected compatible PROTEL of machine.In order to remove user's trouble from, we directly adopt the file format of the PCB file format of RPOTEL as machine, as long as the designer finishes the PCB file design of PROTEL, machine will read designer's intention automatically, produce satisfactory wiring board automatically.
The technical solution adopted in the present invention is: a kind of intelligent wiring board maker, be made up of hardware and software, hardware comprises shell, workbench, control button, support, processor, controller, process tool, main shaft, spindle motor, stepper drive motors, drive circuit, communication interface, traversing guide and combined socket and switch.Workbench is the position that blank wiring board is installed, and the driving water safety is loaded on the front lower place of support, and main shaft vertically is positioned at the workbench top by fixed support block and is driven by spindle motor, and process tool is installed in the main shaft below and is driven by main shaft.Bearing is arranged in the fixed support block, and main shaft places bearing and tight fit connection with it.Fixed support block is fixed on three traversing guides by securing member, and traversing guide is by stent support.The kind of drive of three traversing guides can adopt threaded screw rod or synchrome conveying belt transmission.Three traversing guides are driven by X-axis stepper drive motors, Y-axis stepper drive motors, Z axle stepper drive motors respectively realizes that fixed support block and main shaft move along X-axis left and right horizontal, Y-axis front and back level, Z axle vertical track direction by computer instruction.
In another program, fixed support block is fixed on two traversing guides by securing member, and traversing guide is by stent support.Two traversing guides respectively by X-axis stepper drive motors, Z axle stepper drive motors drive realize fixed support block and main shaft by computer instruction along the X-axis left and right horizontal move, the Z axle vertically direction move, workbench is by the horizontal movement before and after the Y-axis of the driving lower edge of Y-axis stepper drive motors of other direction guide rail.
Each axial motion all is by after the processor calculating drive circuit being sent the corresponding rotation of commands for controlling stepper drive motors, making the relative wiring board motion of process tool by synchromesh gear drive main shaft or working table movement.The spindle motor high speed rotating, cutter along engraving move plate surface, circuit the line of cut road covering copper or in appointed positions boring, cut edge, process satisfactory wiring board.
A plurality of control buttons are installed on the machine casing master control panel, control button links to each other with control circuit, can manually send rotation command by control button to stepper drive motors at every turn, move along X-axis, Y-axis or Z axle by synchromesh gear drive main shaft or workbench again, make the relative wiring board motion of process tool.
Machine casing is provided with the main shaft operating switch, can cut off the main shaft power supply during work tool changing and make an operator stall to make things convenient for tool changing.
This machine also is provided with computer interconnection button and on-line light.Can understand on line state with outer computer.
Described shell is dustproof sound insulation shell, the powder that produces when producing noise cutting wiring board in the time of can isolating work.For ease of observing, transparent glass door is equipped with in shell the place ahead, can see the manufacturing process of whole wiring board.For further facilitating the turnover workpiece, clear glass is contained on the parts that horizontally slip, the mode switch transparent glass door that lower guideway horizontally slips in the employing
Button on the master control panel has fine adjustment function, can adjust the running speed height or the amount of exercise of machine according to actual needs at any time.
On intelligent wiring board maker shell total power switch, supply socket and socket communication are set, intelligent wiring board maker connects computer by socket communication, and the receiving computer instruction is to computer feedback operation state.
Circular line slideway and synchrome conveying belt transmission are adopted in main shaft and the motion of workbench direction, and motor direct-drive utilizes electronic circuit to realize compensation automatically.
Be the hole of processing different size, described process tool comprises there are at least two in a cutting edge position size is changed from small to big successively to top bar, and bores as step, and when the minimum hole of processing, main shaft is controlled at minimum step place at the Z-direction boring amount of feeding; When the bigger hole of processing, main shaft strengthens at the Z-direction boring amount of feeding, and the cutter working position is controlled at corresponding step place.
The DK software that the operation of intelligence wiring board maker processor is comprised directly from the PCB file of wiring board design drawing PROTEL sense data intelligence be converted into machine instruction, indicate intelligent wiring board maker to generate the engraving path.
The present invention intelligence wiring board maker mainly solves from the PCB file to the machine movement route, the automatic matching problem from the moving line to the actuator.Below its operation principle and process are further specified.
Though all design ideas of the electrical wiring designer that the wiring board design software comprises, it is a CAD software, is not a CAM software, the processing mode that can't output device can discern.The DK software intelligence that intelligence wiring board maker is comprised generates the engraving path.Do not need the user to change through the manual of third party software again.DK software utilizes the efficient high-speed characteristic of C language, and several thousand to millions of motion path is in seconds finished, and utilizes the calculation function of personal computer, and the PCB file of finishing cad file automatically and be PROTEL transforms to the executable motion code of machine.More omitted the conversion of CAD to CAM on automaticity, avoided loaded down with trivial details conversion process, automaticity is higher.
In intelligent wiring board maker of the present invention system, we utilize the high-speed computation performance of personal computer, obtain relevant information from the PCB file of RPOTEL, by the conversion of algorithm, thereby obtain the route of main shaft cutter head motion, this process claims the computer sculpture path.
The information that is comprised in the PCB file is a lot, and at the making of wiring board, we mainly obtain several necessary informations:
CP/FT: pad, a pad is arranged on each CP or the FP display plate, the data line of back is represented the position of this pad, shape, size, direction, figure layer, diameter of bore etc.
CT/FT: lines have a line, key data on the display plate: play point coordinates, terminal point coordinate, live width, figure layer etc.
CA/FA: arc has a camber line, key data on the display plate: the home position of circular arc, radius, start angle, termination point, live width, figure layer etc.
CF/FF: rectangle is filled, and a rectangular area is arranged on the display plate.Key data: two groups to corner location, figure layer, angle.
Because the data that this machine only need obtain a layer TOP LAYER, the BOTTOM LAYER of lower floor, multilayer MULTILAYER and forbid wiring layer KEEPOUT LAYER, only read the figure layer in the program and be 1,16,28,34 data, other data are ignored.The DK software of this machine therefrom can obtain data such as the diameter of pad and coordinate position, forms point, the line that will keep in internal memory.In like manner, explain the information that all PCB files comprise, DK software is at first drawn the desired content of pcb board out in interior existence.
After obtaining fileinfo, next step DK software will generate engraving lines Actual path.Owing to kept the figure that will process in the internal memory, software begins directions X scanning from origin position.When running into the line that will carve or putting, note the coordinate position of this point, so just formed a concrete engraving route.By that analogy, form after all rule scanning, the connected mode of all engraved lines by the best coupled together, just formed the whole engraving path of a cover.
After the engraving path was split into, DK software formed borehole data according to the PCB fileinfo.Each pad in the PCB file all has corresponding coordinate position, and DK software obtains the drill center position of plate from file, calculates the relative displacement in each hole.---repetitive process of---roll setting---cutter lifting that moves to the relevant position forms bore path to pass through cutter lifting.
Utilization forbids that wiring layer (KEEPOUT LAYER) information forms side cut information and forms the side cut path, after circuit board is finished engraving and boring, the wiring board sharp processing is become the desired profile of PCB file.
Generally speaking, DK software obtains the wiring board machining information from the PCB file, it is changed, resolves into wiring board automatically make the independent one by one action command of acceptable, and this one by one action command gather the machining path that has just formed machine.When receiving user instruction, such as user's " engraving " knob, DK will instruct machining path by serial communication interface and send the wiring board making one by one to, and wiring board is made and whenever finished an action command, finishes signal to the computer execute instruction.Finish after all working, DK transmits Stop message to machine, and machine quits work.
According to the instruction that computer sends, the central processing unit of intelligent wiring board maker is according to the motion control principle, and rotating speed, the direction co-ordination of three stepping motors of control are finished instruction and finished signal to computer transmission instruction.
Rectilinear motion: stepping motor is controlled by system central processor, when stepping motor turns over certain angle clockwise, drive the output synchronous pulley and turn over equal angular, be fixed on synchronously with on the coaster corresponding distance that will move right, reach pinpoint purpose.
Aggregate motion control: in this intelligent wiring board maker machine, three independently orthogonal installations of linear motion guide rail mutually.The moving workbench of Y-axis strop seesaws.The X-axis coaster drives the Z rail and is installed in main shaft side-to-side movement on the Z rail.The Z axle drives main shaft and moves up and down.Three the relative workpiece of cutter that makes main shaft drive high speed rotating is done three-dimensional space motion under the coordinations of CPU control, thereby is workpiece that blank wiring board is processed into the finished product that meets customer requirements.
The invention has the beneficial effects as follows: the pcb board that utilizes physical process to make has very high adhesive force and good edge quality, use the accurate motion of modern cnc technology control cutter, by the cutting of high-speed cutter to blank wiring board, can utilize the accurate motion of machine on corresponding position, to carve lines and get out the hole that meets the designing requirement of PCB wiring board, the efficient height by program control.Owing to adopted circular line slideway and synchrome conveying belt, motor direct-drive is utilized the automatic compensation of electronic circuit, makes mechanical processing process become very simple, fallen at the end production cost and improved accuracy of machines, had the advantages that speed is fast, cost is low, simple in structure, easy to maintenance.
Another beneficial effect of the present invention is: it can be directly from the PCB file of designed lines plate reading of data again by machine with software intelligence generate processing instructions such as engraving, boring, realize making the high-quality wiring board of complexity.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the critical piece structural representation of a kind of structure of the present invention.
Fig. 2 is the modular construction left view of Fig. 1 except that shell.
Fig. 3 is the profile schematic perspective view of Fig. 1.
Fig. 4 is a kind of drillable process tool schematic diagram of the present invention.
Fig. 5 is the another kind of drillable process tool schematic diagram of the present invention.
Fig. 6 is a kind of Synchronous Transmission schematic diagram of the present invention.
The illustrative view of functional configuration of Fig. 7 the present invention intelligence wiring board maker.
1. spindle motors among the figure, 2. process tool, 3.X axle stepper drive motors, 4.Y axle stepper drive motors, 5.Z axle stepper drive motors, 6. workbench, 7. shell, 8. transparent glass door, 9. mains switch, 10. main shaft operating switch, 11. control buttons, 12. supports, 13. traversing guide, 14. drive circuits, 15. supply sockets, 16. communication interfaces, 17. support, 18. main shafts, 19. processors, 20. computer, 21., 22.
Embodiment
1. spindle motors among the figure, 2. process tool, 3.X axle stepper drive motors, 4.Y axle stepper drive motors, 5.Z axle stepper drive motors, 6. workbench, 7. shell, 8. transparent glass door, 9. mains switch, 10. main shaft operating switch, 11. control buttons, 12. supports, 13. traversing guide, 14. drive circuits, 15. supply sockets, 16. communication interfaces, 17. support, 18. main shafts, 19. processors, 20. computers, 21. fixed support block, 22. synchrome conveying belts, 23. driven pulleys, 24. wiring boards
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, a kind of intelligent wiring board maker comprises shell (7), workbench (6), control button (11), support (12), processor (19), controller, process tool (2), main shaft (18), spindle motor (1), stepper drive motors (3,4,5), drive circuit (14), communication interface (16), traversing guide (13) and combined socket and switch (9,15).Workbench (6) is the position that blank wiring board is installed, workbench (6) level is installed on the front lower place of support (12), main shaft (18) vertically is positioned at workbench (6) top by fixed support block (21) and is driven by spindle motor (1), and process tool (2) is installed in main shaft (18) below and is driven by main shaft (18).Fixed support block has bearing in (21), main shaft (18) place bearing and with the bearing bore diameter tight fit.Fixed support block (21) is installed on vertical and two traversing guides of level (13) successively, and horizontal direction guide rail (13) is supported by support (12); Two traversing guides (13) respectively by X-axis stepper drive motors (3), Z axle stepper drive motors (5) drive realize fixed support block (21) and main shaft (18) by computer instruction along the X-axis left and right horizontal move, the Z axle vertically direction move, workbench (6) by other direction guide rail (13) in the front and back horizontal movement of the driving lower edge of Y-axis stepper drive motors (4) Y-axis.Main shaft (18) adopts circular line slideway and synchrome conveying belt (22) transmission with the motion of workbench (6) direction, and motor direct-drive is utilized the automatic compensation of electronic circuit; As shown in Figure 6, stepper drive motors (3,4,5) directly drives synchrome conveying belt (22), separated in the synchrome conveying belt (22), two cut-off points are fixed on this traversing guide (13), synchrome conveying belt (22) can drive other end driven pulley (23) and rotate and the traversing guide moving linearly, and this synchrome conveying belt (22) adopts cingulum.Three traversing guides (13) are driven by X-axis stepper drive motors (3), Y-axis stepper drive motors, Z axle stepper drive motors (5) respectively and realize that fixed support block (21) and main shaft (18) move along X-axis left and right horizontal, Y-axis front and back level, Z axle vertical track direction by computer instruction.Each axial motion all is by after communication interface (19) computing drive circuit (14) being sent the corresponding rotation of commands for controlling stepper drive motors, making process tool (2) wiring board (24) motion relatively by synchromesh gear drive main shaft (18) or workbench (6) motion.Spindle motor (1) high speed rotating, cutter along engraving move circuit the line of cut road plate (24) surface covering copper or in appointed positions boring, cut edge, process satisfactory wiring board (24).
On machine casing (7) master control panel, a plurality of control buttons (11) are installed, control button (11) links to each other with drive circuit (14), can manually send rotation command by control button (11) to stepper drive motors at every turn, move along X-axis, Y-axis or Z axle by synchromesh gear drive main shaft (18) or workbench (6) again, make process tool (2) wiring board (24) motion relatively.Control button on the master control panel (11) has fine adjustment function, can adjust the running speed height or the amount of exercise of machine according to actual needs at any time.Total power switch (9), supply socket (15) and socket communication are set on intelligent wiring board maker shell (7), and intelligent wiring board maker connects computer by socket communication, and the receiving computer instruction is to computer feedback operation state.
Machine casing (7) is provided with main shaft operating switch (10), can cut off main shaft (18) power supply during the work tool changing makes the main shaft stall to make things convenient for tool changing, this machine also is provided with outer computer and connects online button of machine and on-line light, can understand the on line state with outer computer.Online, the off-line state of changeable machine of online button and online lamp and computer, online lamp is green when online, engraving machine is subjected to computer control; Online lamp is red during off line, the control button control on the controlled panel of engraving machine; Adjusting control button during on line state on the control panel is invalid, with prevent the mistake by.
Described shell (7) is dustproof sound insulation shell (7), the powder that produces when producing noise cutting wiring board (24) in the time of can isolating work.For ease of observing, transparent glass door (8), the manufacturing process that can see whole wiring board (24) are equipped with in shell (7) the place ahead.For further facilitating the turnover workpiece, clear glass is contained on the parts that horizontally slip, the mode switch transparent glass door (8) that adopts upper and lower guide rail to horizontally slip.
The DK software that wiring board maker processor (19) operation is comprised directly from the PCB file of wiring board design drawing PROTEL sense data intelligence be converted into machine instruction, indicate intelligent wiring board maker to generate the engraving path.
Below make a simple wiring board process with this machine and introduce this machine operation principle:
At first, blank copper-clad plate is installed on the workbench, opens corresponding power supply, adjust the processing home position, and press the operating switch button.
As shown in Figure 7, computer (20) calculates the best route of tool motion according to the PCB file, and corresponding rule instruction is resolved in conversion, by communication interface (16) instruction is sent to intelligent wiring board maker.Intelligence wiring board maker governor circuit instructs according to computer (20), by primary processor (19) computing in the intelligent wiring board maker, export accurate step-by-step impulse, coordinate the corresponding rotation of control three stepper drive motors (3,4,5), make process tool (2) wiring board (24) motion relatively by synchronous toothed belt (22) drive main shaft (18), workbench (6) motion.
Finish the making first step of a wiring board and will know at first which partly is to keep, and which partly will mill, allow cutter what route athleticism reach our purpose along.In native system, we utilize the high-speed computation performance of personal computer, obtain relevant information from the PCB file of RPOTEL, by the conversion of algorithm, obtain the route that the main shaft cutter head moves from face, and this process claims the computer sculpture path.
For example: below be the wiring board that will process with the PCB file of software PROTEL design document content partly:
PCB?FILE?6?VERSION2.80
0?42?0?0?1?0?3?0?1?3?6
COMP
AXIAL0.4
0?0?5080000?7240000?0?0?0?0?0?0?0?90.000?1?1?1
CS
0?0?4884000?7219000?60000?90.000?0?1?1?7?0?0?0?0?10000?1?0?0
Designator8
CS
0?0?5004000?7219000?60000?90.000?0?1?1?7?0?0?0?0?10000?1?0?0
Comment
CT
0?0?5040000?7320000?5120000?7320000?12000?17?0?0?0
0?0?1?0?0
CT
0?0?5040000?7320000?5040000?7560000?12000?17?0?0?0
0?0?1?0?0
CT
0?0?5040000?7560000?5120000?7560000?12000?17?0?0?0
0?0?1?0?0
CT
0?0?5120000?7320000?5120000?7560000?12000?17?0?0?0
0?0?1?0?0
CT
0?0?5080000?7280000?5080000?7320000?12000?17?0?0?0
0?0?1?0?0
CT
0?0?5080000?7560000?5080000?7600000?12000?17?0?0?0
0?0?1?0?0
CP
0?0?5080000?7240000?62000?62000?1?62000?62000?1?62000?1?32000?0?34?0?090.000
4000?0?10000?10000?20000?4?1?1?1?1?1?1?1?1
1
CP
0?0?5080000?7640000?62000?62000?1?62000?62000?1?62000?1?32000?0?34?0?090.000
4000?0?10000?10000?20000?4?1?1?1?1?1?1?1?1
2
ENDCOMP
COMP
FT
0?0?5310000?7730000?5310000?7750000?30000?16?0?0?0
0?0?1?0?0
FT
0?0?4960000?7140000?4960000?7880000?10000?28?0?0?0
0?0?1?0?0
FT
0?0?4960000?7880000?5800000?7880000?10000?28?0?0?0
0?0?1?0?0
FT
0?0?5800000?7340000?5800000?7880000?10000?28?0?0?0
0?0?1?0?0
FT
0?0?5600000?7140000?5800000?7340000?10000?28?0?0?0
0?0?1?0?0
FT
0?0?4960000?7140000?5600000?7140000?10000?28?0?0?0
0?0?1?0?0
The information that is comprised in the PCB file is a lot, makes at wiring board, and we mainly obtain following message:
CP/FT: pad, a pad is arranged on each CP or the FP display plate, the data line of back is represented the position of this pad, shape, size, direction, figure layer, diameter of bore etc.
CT/FT: lines have a line, key data on the display plate: play point coordinates, terminal point coordinate, live width, figure layer etc.
CA/FA: arc has a camber line, key data on the display plate: the home position of circular arc, radius, start angle, termination point, live width, figure layer etc.
CF/FF: rectangle is filled, and a rectangular area is arranged on the display plate.Key data: two groups to corner location, figure layer, angle.
Because the data that this machine only need obtain top layer TOP LAYER, the BOTTOM LAYER of lower floor, multilayer MULTILAYER and forbid wiring layer KEEPOUT LAYER, only reading the figure layer in the program is 1,16,28,34 data, other data are ignored, and above italicized item is this machine useful data.
After the PCB file header, go to resistance original paper of the 38th line description since the 4th.Several line descriptions in front be the data of silk-screen layer because this machine does not provide the silk-screen layer to make, data are passed into disuse.
To 38 row, 2 round pads of file description, the DK software of this machine therefrom can obtain data such as the diameter of pad and coordinate position since the 30th row, formation will keep in internal memory point, line.In like manner, explain the information that all PCB files comprise, DK software is at first drawn the desired content of pcb board out in interior existence.
After obtaining fileinfo, next step DK software will generate engraving lines Actual path.Owing to kept the figure that will process in the internal memory, software begins directions X scanning from origin position.When running into the line that will carve or putting, note the coordinate position of this point, so just formed a concrete engraving route.By that analogy, form after all rule scanning, the connected mode of all engraved lines by the best coupled together, just formed the whole engraving path of a cover.
After the engraving path was split into, DK software formed borehole data according to the PCB fileinfo.Each pad in the PCB file all has corresponding coordinate position, and DK software obtains the drill center position of plate from file, calculates the relative displacement in each hole.---repetitive process of---roll setting---cutter lifting that moves to the relevant position forms bore path to pass through cutter lifting.
Utilization forbids that wiring layer KEEPOUT LAYER information forms side cut information and forms the side cut path, after circuit board is finished engraving and boring, the wiring board sharp processing is become the desired profile of PCB file.
Generally speaking, DK software obtains the wiring board machining information from the PCB file, it is changed, resolves into wiring board automatically make the independent one by one action command of acceptable, and this one by one action command gather the machining path that has just formed machine.When receiving user instruction, such as user's " engraving " knob, DK will instruct machining path by serial communication interface and send the wiring board making one by one to, and wiring board is made and whenever finished an action command, finishes signal to the computer execute instruction.After the completion, DK software can transmit Stop message to machine, and machine stops.
According to the instruction that computer sends, the central processing unit of intelligent wiring board maker is according to the motion control principle, and rotating speed, the direction co-ordination of three stepper drive motors of control are finished instruction and finished signal to computer transmission instruction.
Rectilinear motion: stepping motor is controlled by system central processor, when stepping motor turns over 1.8 when spending clockwise, drive the output synchronous pulley and turn over 1.8 degree, be fixed on synchronously with on coaster drive the main shaft dX1.8/360 that will move right, in native system, synchronizing wheel directly is 60.96mm.Be that stepping motor whenever turns over steps 1.8 degree, the coaster 0.3048mm that moves right clockwise.In like manner, when stepping motor turned over a step counterclockwise, coaster was moved to the left 0.3048mm.Because system adopts 32 segmentations to drive, stepping motor can rotate 1.8/32 step=0.05625 degree under CPU control, move 0.009525mm thereby drive coaster, reaches pinpoint purpose.
Aggregate motion control: in this machine, three independently orthogonal installations of linear motion guide rail mutually, as shown in Figure 1.The Y-axis strop starts building to seesaw as platform.The X-axis coaster drives the Z rail and is installed in spindle motor side-to-side movement on the Z rail.The Z axle drives spindle motor and moves up and down.Three the relative workpiece of cutter that makes main shaft drive high speed rotating is done three-dimensional space motion under the coordinations of CPU control, thereby is workpiece that wiring board is processed into the finished product that meets customer requirements.
Slightly Y-axis is static when PCB surface at the end for static and point of a knife when the Z axle, and X-axis moves.Main cutter will mill out the straight line of a directions X in the circuit board this moment, and width is equivalent to the point of a knife width of cutter.X-axis is static, and when y-axis shift moves, main cutter will carve straight line on the Y direction, and when X, Y move and speed when identical simultaneously, cutter will be carved the oblique line of one 45 degree in the circuit board.Control X, Y are in different movement velocitys respectively, can carve the straight line of different angles in the plane, and the controlled motion distance can carve different shapes in the plane by various combinations.
When static and point of a knife is higher than PCB surface when the Z axle, cutter will move to the point that needs engraving by the motion of X, Y.When XY is static, when Z axially descended the thickness of shiftable haulage line plate, spindle motor drove drill bit and holes on the wiring board current location.
Spindle motor high speed rotating, cutter cut PCB surface along the engraving route and cover copper, according to designed wiring board literary composition regulation, unnecessary copper carving are gone, and remaining part has just formed the wiring board of finished product again through machine automatic drilling, side cut.
Off-line state operation button function: as the X+1mm button: click spindle motor and be moved to the left 1 millimeter, press 0.6 second continuously after, spindle motor is continuously and healthily to moving to left, till release button; The X-1mm button: click spindle motor and move right 1 millimeter, pressing continuously after 0.6 second has spindle motor to move right continuously and healthily, till release button; As the X+0.1mm button: click spindle motor and be moved to the left 0.1 millimeter, pressing continuously has spindle motor to continue at a slow speed to moving to left, till release button after 0.6 second; As the X-0.1mm button: click spindle motor and move right 0.1 millimeter, pressing continuously after 0.6 second has spindle motor to continue to move right at a slow speed, till release button.
This machine is to forbid that wiring layer is the wiring board outer rim, and you must draw a frame line at KEEPOUT LAYER by designed PCB file, and live width equals tool diameter (3.15mm).Show " exceeding the engraving scope ".
In another embodiment scheme, fixed support block is fixed on two traversing guides by securing member, and traversing guide is by stent support.Two traversing guides respectively by X-axis stepper drive motors, Z axle stepper drive motors drive realize fixed support block and main shaft by computer instruction along the X-axis left and right horizontal move, the Z axle vertically direction move, workbench is by the horizontal movement before and after the Y-axis of the driving lower edge of Y-axis stepper drive motors of other direction guide rail.
Claims (9)
1, a kind of intelligent wiring board maker, form by hardware and software, hardware comprises shell, workbench, control button, support, processor, controller, process tool, main shaft, spindle motor, stepper drive motors, drive circuit, communication interface, traversing guide and combined socket and switch, it is characterized in that: workbench is the position that blank wiring board is installed, the driving water safety is loaded on the front lower place of support, main shaft vertically is positioned at the workbench top by fixed support block and is driven by spindle motor, and process tool is installed in the main shaft below and is driven by main shaft; Fixed support block is installed on vertical and two traversing guides of level successively, and the horizontal direction guide rail is by stent support; Two traversing guides respectively by X-axis stepper drive motors, Z axle stepper drive motors drive realize fixed support block and main shaft by computer instruction along the X-axis left and right horizontal move, the Z axle vertically direction move, workbench is by the horizontal movement before and after the Y-axis of the driving lower edge of Y-axis stepper drive motors of other direction guide rail; Each axial motion all is by after the processor calculating drive circuit being sent the corresponding rotation of commands for controlling stepper drive motors, making the relative wiring board motion of process tool by synchromesh gear drive main shaft or working table movement; The spindle motor high speed rotating, cutter along engraving move plate surface, circuit the line of cut road cover copper or in appointed positions boring, cut edge.
2, a kind of intelligent wiring board maker, form by hardware and software, hardware comprises shell, workbench, control button, support, processor, controller, process tool, main shaft, spindle motor, stepper drive motors, drive circuit, communication interface, traversing guide and combined socket and switch, it is characterized in that: workbench is the position that blank wiring board is installed, the driving water safety is loaded on the front lower place of support, main shaft vertically is positioned at the workbench top by fixed support block and is driven by spindle motor, and process tool is installed in the main shaft below and is driven by main shaft; Fixed support block is on Z axle vertical direction guide rail, and Z axle vertical direction guide rail is installed on the X-axis horizontal direction guide rail, and X-axis horizontal direction guide rail is by Y-axis fore-and-aft direction guide supporting, and Y-axis fore-and-aft direction guide rail is at last by stent support; Three traversing guides are driven by X-axis stepper drive motors, Y-axis stepper drive motors, Z axle stepper drive motors respectively realizes that fixed support block and main shaft move along X-axis left and right horizontal, Y-axis front and back level, Z axle vertical track direction by computer instruction; Each axial motion all is by after the processor calculating drive circuit being sent the corresponding rotation of commands for controlling stepper drive motors, making the relative wiring board motion of process tool by synchromesh gear drive main shaft or working table movement; The spindle motor high speed rotating, cutter along engraving move plate surface, circuit the line of cut road cover copper or in appointed positions boring, cut edge.
3, claim 1 or 2 described intelligent wiring board makers, it is characterized in that: a plurality of control buttons are installed on the machine casing master control panel, control button links to each other with control circuit, can manually send rotation command by control button to stepper drive motors at every turn, move along X-axis, Y-axis or Z axle by synchromesh gear drive main shaft or workbench again, make the relative wiring board motion of process tool; Button on the master control panel has fine adjustment function, can adjust the running speed height or the amount of exercise of machine according to actual needs at any time.
4, claim 1 or 2 described intelligent wiring board makers, it is characterized in that: machine casing is provided with spindle switch, can cut off the main shaft power supply during work tool changing and make an operator stall to make things convenient for tool changing; This machine also is provided with computer interconnection button and on-line light.
6, claim 1 or 2 described intelligent wiring board makers is characterized in that: described shell is dustproof sound insulation shell, the powder that produces when producing noise cutting wiring board in the time of can isolating work; Transparent glass door is equipped with in shell the place ahead, can see the manufacturing process of whole wiring board; Clear glass is contained on the parts that horizontally slip, the mode switch transparent glass door that adopts upper and lower guide rail to horizontally slip.
7, claim 1 or 2 described intelligent wiring board makers, it is characterized in that: the software that is moved is the DK software that intelligent wiring board maker processor operation is comprised, it directly from the PCB file of wiring board design drawing PROTEL sense data intelligence be converted into machine instruction, indicate intelligent wiring board maker to generate the engraving path and finish processing.
8, claim 1 or 2 described intelligent wiring board makers, it is characterized in that: on intelligent wiring board maker shell, total power switch, supply socket and socket communication are set, intelligence wiring board maker connects computer by socket communication, the receiving computer instruction is to computer feedback operation state.
9, claim 1 or 2 described intelligent wiring board makers is characterized in that: circular line slideway and synchrome conveying belt transmission are adopted in main shaft and the motion of workbench direction, and motor direct-drive is utilized the automatic compensation of electronic circuit.
10, claim 1 or 2 described intelligent wiring board makers, it is characterized in that: described process tool comprises that a cutting edge position has at least two to top bar, and size is changed from small to big successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101123443A CN1545375A (en) | 2003-11-24 | 2003-11-24 | Intelligent circuit board mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101123443A CN1545375A (en) | 2003-11-24 | 2003-11-24 | Intelligent circuit board mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1545375A true CN1545375A (en) | 2004-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2003101123443A Pending CN1545375A (en) | 2003-11-24 | 2003-11-24 | Intelligent circuit board mill |
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| Country | Link |
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| CN (1) | CN1545375A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100377158C (en) * | 2004-12-31 | 2008-03-26 | 华为技术有限公司 | Method for creating library file |
| CN101815408A (en) * | 2010-05-10 | 2010-08-25 | 无锡市华文机电有限公司 | Fully automatic circuit board manufacturing machine |
| CN102847985A (en) * | 2011-06-29 | 2013-01-02 | 维嘉数控科技（苏州）有限公司 | PCB (printed circuit board) drilling machine |
| CN102975501A (en) * | 2012-12-18 | 2013-03-20 | 武汉大学 | Circuit board printing system and printing method |
| CN104827815A (en) * | 2015-05-20 | 2015-08-12 | 安徽一威贸易有限公司 | Layered sculpturing method |
| CN104842699A (en) * | 2015-05-20 | 2015-08-19 | 安徽一威贸易有限公司 | Layered carving system |
| CN107396537A (en) * | 2017-07-19 | 2017-11-24 | 朱挺 | One kind is used for circuit board trimming punching equipment integrating |
| CN108551724A (en) * | 2018-07-12 | 2018-09-18 | 江西旭昇电子有限公司 | Printing line circuit showing methods device and method |
| CN108763675A (en) * | 2018-05-16 | 2018-11-06 | 杭州亿美实业有限公司 | A kind of electronic circuit board intelligence dividing method |
-
2003
- 2003-11-24 CN CNA2003101123443A patent/CN1545375A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100377158C (en) * | 2004-12-31 | 2008-03-26 | 华为技术有限公司 | Method for creating library file |
| CN101815408A (en) * | 2010-05-10 | 2010-08-25 | 无锡市华文机电有限公司 | Fully automatic circuit board manufacturing machine |
| CN101815408B (en) * | 2010-05-10 | 2011-10-12 | 无锡市华文机电有限公司 | Fully automatic circuit board manufacturing machine |
| CN102847985A (en) * | 2011-06-29 | 2013-01-02 | 维嘉数控科技（苏州）有限公司 | PCB (printed circuit board) drilling machine |
| CN102975501A (en) * | 2012-12-18 | 2013-03-20 | 武汉大学 | Circuit board printing system and printing method |
| CN102975501B (en) * | 2012-12-18 | 2015-07-15 | 武汉大学 | Circuit board printing system and printing method |
| CN104827815A (en) * | 2015-05-20 | 2015-08-12 | 安徽一威贸易有限公司 | Layered sculpturing method |
| CN104842699A (en) * | 2015-05-20 | 2015-08-19 | 安徽一威贸易有限公司 | Layered carving system |
| CN104827815B (en) * | 2015-05-20 | 2017-08-25 | 安徽一威贸易有限公司 | One kind layering engraving process |
| CN104842699B (en) * | 2015-05-20 | 2017-08-25 | 安徽一威贸易有限公司 | One kind layering engraving system |
| CN107396537A (en) * | 2017-07-19 | 2017-11-24 | 朱挺 | One kind is used for circuit board trimming punching equipment integrating |
| CN108763675A (en) * | 2018-05-16 | 2018-11-06 | 杭州亿美实业有限公司 | A kind of electronic circuit board intelligence dividing method |
| CN108551724A (en) * | 2018-07-12 | 2018-09-18 | 江西旭昇电子有限公司 | Printing line circuit showing methods device and method |
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