CN1282202A - Engraving method of circuit board and its equipment - Google Patents
Engraving method of circuit board and its equipment Download PDFInfo
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- CN1282202A CN1282202A CN 00122894 CN00122894A CN1282202A CN 1282202 A CN1282202 A CN 1282202A CN 00122894 CN00122894 CN 00122894 CN 00122894 A CN00122894 A CN 00122894A CN 1282202 A CN1282202 A CN 1282202A
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- cutter shaft
- circuit board
- engraving
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Abstract
The method for carving circuit board includes the following steps: firstly, fixing the circuit board on the machine table, using carving tool connected with control centre as detector to detect height value of 1-axis of all X and Y points of circuit board correspondent to plane coordinate, then making carving operation, and according to the cutter shaft position relevant X and Y points utilizing control centre to continuously output compensation value corresponding to height value of Z-axis to immediately regulate lifting or falling of cutter shaft to make all carving paths obtain identical carving depth. Said invented method can be used for forming return circuit on the copper foil, and isolating the copper foil with carved circuit from other copper foil., and said return circuit can not be cut off by overdeep carving.
Description
The present invention is about a kind of engraving technology, particularly about the engraving process and the device of circuit board.
For circuit design can be experimentized, circuit designer usually needs to make the circuit sample of only a few.Finishing circuit sample most important work is to make the circuit board with loop, with the grafting electronic component.
The device that is usually used in the circuit board manufacturing sample at present has a graver (1) that moves along X and Y-axis coordinate as shown in Figure 1, and this graver (1) promptly no longer rises or descends in engraving loop operation after starting point descends a set depth.
The personage of prior art circuit board manufacturing sample knows before being familiar with, and has some factors can influence the quality of making, for example: board upper surface out-of-flatness or be not to keep level; The material that another common factor is a circuit board is difficult to keep a plane when being shaped.These factors cause bad phenomenon as Fig. 3 and 4 can occurring at the circuit board manufacturing sample.Please refer to Fig. 2, under normal situation, graver (1) respectively the point (A) on circuit board (2) and (B) fall the engraving the one appropriate degree of depth, make Copper Foil (21) locate to be cut off at point (A) or (8) respectively, to form buffer action, and at point (A) and the conduction that stays a proper width (W) (B) with loop (22), this loop can be gone up other regional Copper Foils (21) with circuit board (2) and be produced and isolate.
As previously mentioned, when circuit board (2) bending or board upper surface not at ordinary times, though traditional carving device is as shown in Figure 1, attempt utilize the briquetting (11) of graver (1) both sides to flatten circuit board (cutter, effect is also bad.In the recessed zone of circuit board (2), will form the result of Fig. 3, point (A) and not excision fully of the Copper Foil of (B) locating (21) can't be isolated the Copper Foil in loop (22) with other regional Copper Foils.Relative, in the zone of circuit board (2) projection, can form the result of Fig. 4, point (A) and (B) Copper Foil between locating is cut fully can't form the loop (22) of isolation.Above problem is perplexing the staff in the Experiment of Electrical Circuits chamber always, makes must spend many times and go to repair or recasting.
The purpose of this invention is to provide a kind of method of carving circuit board, this method can keep identical to the degree of depth of circuit board engraving.
Another purpose of the present invention provides a kind of device of carving circuit board, and its cutter shaft can the lifting along with the bending of circuit board.
Another object of the present invention provides a kind of method and apparatus of carving circuit board, be directly to utilize graver to be detecting element, the bending fluctuation situation of each default coordinate points on the detection circuit plate, and feed back to control centre, in the hope of the compensate for height value of cutter shaft lifting.
The method of engraving circuit board of the present invention is achieved in that and comprises the following steps:
(a) control centre is set, comprises that signal receives and the output part;
(b) the detection circuit plate is corresponding to plane coordinates (Xn, height coordinate Zn value Yn), and the storage of input control centre;
(c) X is set, Y and Z axle driving element, the signal that makes each driving element accept control centre respectively produces action; Wherein the driving element of X and Y-axis can produce the displacement with respect to the Z axle of X and Y-axis, and wherein the driving element of Z axle can drive cutter shaft and rises or fall; And
(d) turn cutter shaft, and make Z axle driving element add the feed value according to the Zn value, and drive the cutter shaft lifting and carve.
Wherein (b) step is that the tip of mat cutter shaft is contacted with circuit board when causing path, elicites height coordinate Zn value by the displacement of Z axle.
It before (b) step detection circuit plate elder generation's fixing circuit board on machine table.
Wherein (c) step is the driving element drive circuit plate level y-axis shift position with Y-axis, and with the driving element of X-axis, drives the displacement of cutter shaft horizontal X axle.
Wherein (c) step is that driving element drive circuit board horizontal X and Y-axis with X and Y-axis is shifted respectively.
The orientation values of wherein setting three of X, Y and Z before (b) step earlier makes zero.
In (b) step on the sense circuit plate is initial initial point a bit, and its coordinate values is (X
0, Y
0).
In (c) step is the driving element of mat stepping motor for each.
In (d) step is mat one motor turn cutter shaft.
The device of engraving circuit board of the present invention is achieved in that and comprises: a fixed pedestal; One board that can on this fixed pedestal, move horizontally; One can be on this fixed pedestal the cutter shaft seat of vertical moving; One is fixed on the engraving cutter shaft on this cutter shaft seat; One motor can drive this engraving cutter shaft rotation; One drives the Z axle driving element of this cutter shaft seat vertical moving; One first and second horizontal drive element drives this board respectively and moves horizontally along X and Y-axis; And a control unit, have two signal input parts, be connected to this graver axial region part and conductive layer on the circuit board on this board partly; And at least three signal output parts, be connected to this Z axle driving element, this first and second horizontal drive element, make of the output of this Z axle driving element corresponding to this first and second horizontal drive element, and drive this cutter shaft seat lifting moving, the circuit board any point is carried out the engraving of the same degree of depth.
The device of engraving circuit board of the present invention also can be achieved in that and comprise: a fixed pedestal; One board that can on this fixed pedestal, move horizontally; One can vertical and horizontal moves on this fixed pedestal the cutter shaft seat; One is fixed on the engraving cutter shaft on this cutter shaft seat; One motor can drive this engraving cutter shaft rotation; One drives the Z axle driving element of this cutter shaft seat vertical moving; One first horizontal drive element drives this board and moves horizontally along X-axis; One second horizontal drive element drives this cutter shaft seat and moves horizontally along Y-axis; And a control unit, have two signal input parts, be connected to this graver axial region part and conductive layer on the circuit board on this board partly; And at least three signal output parts, be connected to this Z axle driving element, this first and second horizontal drive element, make of the output of this Z axle driving element corresponding to this first and second horizontal drive element, and drive this cutter shaft seat lifting moving, the circuit board any point is carried out the engraving of the same degree of depth.
This Z axle driving element, this first and second horizontal drive element are stepping motors.
This driving engraving cutter shaft motor rotating is to be fixed on this cutter shaft seat partly, with this cutter shaft seat lifting simultaneously.
This motor has an output shaft, and this output shaft coaxial line ground binding also drives this cutter shaft.
Method of the present invention is earlier circuit board to be fixed on the board, is detector with the graver that is attached at control centre again, the Z axle height value that the detection circuit plate is ordered corresponding to each X of plane coordinates and Y; Then when carving, constantly with regard to cutter shaft position relative X and Y point, output is corresponding to the offset of Z axle height value by control centre, adjusts cutter shaft immediately and rises or fall, and makes respectively to carve the path and obtain same carving depth.Because therefore the carving depth unanimity of each predetermined position of circuit board can make the Copper Foil with the loop that forms on the engraving path, isolate with other Copper Foils on the circuit board, and this loop can not be cut off because of carving deeply.
Further specify the engraving process and the device of preferred embodiment of the present invention below with accompanying drawing.
Fig. 1 is the plane graph of existing apparatus.
Fig. 2 is the generalized section in loop on the circuit board.
Fig. 3 and Fig. 4 are respectively the profile status schematic diagrames of the bad engraving in loop on the display circuit board.
Fig. 5 is the plane graph of carving device embodiment of the present invention.
Fig. 6 is the detail flowchart of detection steps in the inventive method.
Fig. 7 is the inventive method horizontal coordinate schematic diagram.
Fig. 8 is the detail flowchart of Carving Machining step in the inventive method.
Fig. 9 is that the present invention controls block schematic diagram.
Figure 10 is the plane graph of another embodiment of carving device of the present invention.
Circuit board carving device of the present invention is enumerated two kinds of preferred embodiments in this manual, respectively as Fig. 5 and shown in Figure 9.Wherein first kind of embodiment and please refer to Fig. 9 as shown in Figure 5, and the device of this engraving circuit board comprises: a fixed pedestal (3); One board (4) that can on fixed pedestal (3), move horizontally; One can be on fixed pedestal the cutter shaft seat (6) of vertical moving; One is fixed on the engraving cutter shaft (61) on the cutter shaft seat (6), and its lower end is linking a graver (62); And a motor (51) is arranged, can drive this engraving cutter shaft (61) rotation.In addition, also comprise: one drives the Z axle driving element of cutter shaft seat (6) vertical moving, preferably uses a stepping motor (52); Have again first and second horizontal drive element preferable also be to use stepping motor (53,54), drive board (4) respectively and move horizontally along X and Y-axis; And a control unit, as shown in Figure 9, comprise a microprocessor (7) and motor control card (71) etc.Motor control card (71) can adopt commodity or other similar clauses of father department of Britain Ou Pu company (OptimisedControl Ltd), it has two signal input parts (72,73), be connected to engraving cutter shaft (61) and partly go up conductive layer (21) partly with the circuit board (2) on board; And at least three signal output parts (74,75,76), be connected to Z axle driving element, i.e. Z spindle motor (52), first and second horizontal drive element, i.e. X and y-axis motor (53,54), make of the output of Z axle driving element, and drive this cutter shaft seat (6) lifting moving, circuit board (2) any point is carried out the engraving of the same degree of depth corresponding to first and second horizontal drive element.
The embodiment of second kind of device as shown in figure 10, on the whole goes up similar to first kind, wherein unique difference is that board (4) is only moving along y-axis shift, the type of drive of X-axis then changes by mobile cutter shaft seat (6) and forms, and certain those who are familiar with this art also can be with the installing mode reciprocity of X and Y-axis.The structure of this its otherness of embodiment comprises: one can go up vertical or/and the cutter shaft seat (6) that moves horizontally at fixed pedestal (3); One first horizontal drive element is y-axis motor (54), drives board (4) and moves horizontally along Y-axis; And one second the horizontal drive element be X-axis motor (53), drive cutter shaft seat (6) and move horizontally along X-axis.
The present invention carries out the method that the same degree of depth is carved to the conductive layer of circuit board, is that the coordinate that carries out is earlier as shown in Figure 6 set and the detection of circuit board surface curvature, and then carries out the described engraving program of Fig. 8.
As Fig. 6, and with reference to figure 7 and shown in Figure 9, because circuit board Copper Foil and cutter itself are all conductor, when graver contacted with circuit board, the digital signal input end of control card (71) was a high potential; Otherwise when graver did not contact with circuit board, signal input part was a low-potential signal, monitored this input end signal, can declare the contact condition of knowing between circuit board and the cutter.
Now as Fig. 7, circuit board (2) zone in certain limit, every is a sensing point at a distance of X (optionally being set by the user), we use computer program, finish as the work in Fig. 6 flow chart, after finishing detection operations, we can obtain each sensing point the axle height value, store these data, as the foundation of plane compensation afterwards.
Fig. 7 is the sensing point schematic diagram, and each line segment crosspoint coordinate is sensing point, and four maximum limit types are investigative range.
Suppose that a coordinate is arranged in investigative range (X, Y), we can find out nearest three sensing point coordinates (Xa, Ya), (Xb, Yb), (Xc, Yc), 3 in the space can determine a space plane equation aX+bY+cZ+d=0, use this three point coordinates, and we can utilize algebraic approach, obtain top equational coefficient a, b, c, d, obtain the plane equation formula of this three point coordinates, for unknown point (X, Y), in the substitution plane equation formula, can obtain the Z value, just this height.
Among Fig. 6, when beginning to survey, circuit board (2) is fixing with going up at board (4) earlier, and makes the X of board and cutter shaft connection, Y, and three orientation values of Z make zero (square 80), and pull the initial initial point (X of setting in the preset range at circuit
0, Y
0), coordinate (X
1, Y
1), (X
2, Y
2) ... (square 81).Board is according to indication, when moving to each sensing point one by one (square 82), the Z axle is stayed at a slow speed mobile (square 83), high or low current potential according to aforementioned signal input part, judge (square 84) whether contact circuit plate, if contact, promptly stop the Z axle and move (square 85), and store Z axle height value (square 86).Then, the Z axle up moves (square 87), and whether decision also needs to survey or end (square 88) to other presets.
When entering engraving operation shown in Figure 8, earlier respectively with reference to X, Y, three orientation values of making zero of Z (square 89), and engraving initial point (X
0, Y
0) and path spot correlation coordinate (square 90), and read the relative Z axle height value (square 91) of respectively processing coordinate, fall cutter shaft and carry out engraving (square 92).
Generally speaking, be the initial initial point (X of engraving setting earlier
0, Y
0), then, carry out engraving (square 93) according to the slowly mobile cutter shaft of coordinate values in engraving path, this moment, motor control card will be according to the path coordinate values, take out the offset (square 94) of relative axle height standard value continuously, order about Z axle lifting/lowering (square 95), therefore can be according to the difference of circuit board each point curvature, and carry out the engraving operation of the same degree of depth, till path termination.
If complicated engraving path then judges whether to finish engraving operation (square 96).
The present invention carves the method for circuit board as previously mentioned, and its step mainly comprises: a control centre (a) is set, comprises that signal receives and the output part; (b) the detection circuit plate is corresponding to each plane coordinates (Xn, height coordinate Zn value Yn), and the storage of input control centre; (c) X is set, Y and Z axle driving element, the signal that makes each driving element accept control centre respectively produces action; Wherein the driving element of X and Y-axis can produce the displacement with respect to the Z axle of X and Y-axis, and wherein the driving element of Z axle can drive cutter shaft and rises or fall; And (d) turn cutter shaft, and make Z axle driving element add the feed value according to the Zn value, drive cutter shaft and in engraving, rise or fall.
Preferred methods is that the tip of nationality cutter shaft is contacted with circuit board when causing path in aforementioned (b) step, elicites height coordinate Zn value by the displacement of Z axle.
Zhuan Zhi two kinds of embodiment are the same as described above, the dual mode of mobile coordinate, and wherein (c) step of first kind is that driving element drive circuit board horizontal X and the Y-axis with X and Y-axis is shifted respectively.Wherein (c) step of second example is the driving element drive circuit plate level y-axis shift position with Y-axis, and with the driving element of X-axis, drives the displacement of cutter shaft horizontal X axle.
The advantage that technology of the present invention produces has many, comprising: (1) can obtain the engraving result of the same degree of depth of circuit board every bit too even if the processing precise degree of carving device reduces.(2) assembling between board and the fixed pedestal and the rich degree of vertical check and correction can reduce, and manufacturing cost is reduced.(3) through using for many years, even if the carving device board has plane error also needn't adjust.(4) can guarantee circuit board loop stay in grade behind each engraving.(5) operating efficiency of raising circuit board manufacturing sample improves job morale.
In above-mentioned diagram, though enumerate some preferred embodiments to say Chen Ming feasibility of the present invention, but as is well known, should not limit claim scope of the present invention on the contrary by this embodiment, also be, any those who are familiar with this art carry out the variation of some details if use the main feature of the present invention, all must belong to claim scope of the present invention.
Claims (14)
1, a kind of method of carving circuit board, it is characterized in that: it comprises the following steps:
(a) control centre is set, comprises that signal receives and the output part;
(b) the detection circuit plate is corresponding to plane coordinates (Xn, height coordinate Zn value Yn), and the storage of input control centre;
(c) X is set, Y and Z axle driving element, the signal that makes each driving element accept control centre respectively produces action; Wherein the driving element of X and Y-axis can produce the displacement with respect to the Z axle of X and Y-axis, and wherein the driving element of Z axle can drive cutter shaft and rises or fall; And
(d) turn cutter shaft, and make Z axle driving element add the feed value according to the Zn value, and drive the cutter shaft lifting and carve.
2, the method for engraving circuit board as claimed in claim 1 is characterized in that: wherein (b) step is that the tip of mat cutter shaft is contacted with circuit board when causing path, elicites height coordinate Zn value by the displacement of Z axle.
3, the method for engraving circuit board as claimed in claim 1 is characterized in that: be elder generation's fixing circuit board on machine table before (b) step detection circuit plate.
4, the method for engraving circuit board as claimed in claim 1 is characterized in that: wherein (c) step is the driving element drive circuit plate level y-axis shift position with Y-axis, and with the driving element of X-axis, drives the displacement of cutter shaft horizontal X axle.
5, the method for engraving circuit board as claimed in claim 1 is characterized in that: wherein (c) step is that driving element drive circuit board horizontal X and Y-axis with X and Y-axis is shifted respectively.
6, the method for engraving circuit board as claimed in claim 1 is characterized in that: the orientation values of wherein setting three of X, Y and Z before (b) step earlier makes zero.
7, the method for engraving circuit board as claimed in claim 1 is characterized in that: in (b) step on the sense circuit plate is initial initial point a bit, and its coordinate values is (X
0, Y
0).
8, the method for engraving circuit board as claimed in claim 1 is characterized in that: in (c) step is the driving element of mat stepping motor for each.
9, the method for engraving circuit board as claimed in claim 1 is characterized in that: in (d) step is mat one motor turn cutter shaft.
10, a kind of device of carving circuit board, it is characterized in that: it comprises: a fixed pedestal; One board that can on this fixed pedestal, move horizontally; One can be on this fixed pedestal the cutter shaft seat of vertical moving; One is fixed on the engraving cutter shaft on this cutter shaft seat; One motor can drive this engraving cutter shaft rotation; One drives the Z axle driving element of this cutter shaft seat vertical moving; One first and second horizontal drive element drives this board respectively and moves horizontally along X and Y-axis; And a control unit, have two signal input parts, be connected to this graver axial region part and conductive layer on the circuit board on this board partly; And at least three signal output parts, be connected to this Z axle driving element, this first and second horizontal drive element, make of the output of this Z axle driving element corresponding to this first and second horizontal drive element, and drive this cutter shaft seat lifting moving, the circuit board any point is carried out the engraving of the same degree of depth.
11, a kind of device of carving circuit board, it is characterized in that: it comprises: a fixed pedestal; One board that can on this fixed pedestal, move horizontally; One can vertical and horizontal moves on this fixed pedestal the cutter shaft seat; One is fixed on the engraving cutter shaft on this cutter shaft seat; One motor can drive this engraving cutter shaft rotation; One drives the Z axle driving element of this cutter shaft seat vertical moving; One first horizontal drive element drives this board and moves horizontally along X-axis; One second horizontal drive element drives this cutter shaft seat and moves horizontally along Y-axis; And a control unit, have two signal input parts, be connected to this graver axial region part and conductive layer on the circuit board on this board partly; And at least three signal output parts, be connected to this Z axle driving element, this first and second horizontal drive element, make of the output of this Z axle driving element corresponding to this first and second horizontal drive element, and drive this cutter shaft seat lifting moving, the circuit board any point is carried out the engraving of the same degree of depth.
12, as the device of claim 10 or 11 described engraving circuit boards, it is characterized in that: this Z axle driving element, this first and second horizontal drive element are stepping motors.
13, as the device of claim 10 or 11 described engraving circuit boards, it is characterized in that: this driving engraving cutter shaft motor rotating is to be fixed on this cutter shaft seat partly, with this cutter shaft seat lifting simultaneously.
14, the device of engraving circuit board as claimed in claim 13 is characterized in that: this motor has an output shaft, and this output shaft coaxial line ground binding also drives this cutter shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00122894 CN1282202A (en) | 2000-08-29 | 2000-08-29 | Engraving method of circuit board and its equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00122894 CN1282202A (en) | 2000-08-29 | 2000-08-29 | Engraving method of circuit board and its equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1282202A true CN1282202A (en) | 2001-01-31 |
Family
ID=4589388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00122894 Pending CN1282202A (en) | 2000-08-29 | 2000-08-29 | Engraving method of circuit board and its equipment |
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| CN (1) | CN1282202A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101642825B (en) * | 2009-08-18 | 2010-12-01 | 无锡市华文机电有限公司 | Method for automatically selecting circuit board engraver tool |
| CN101426342B (en) * | 2007-10-31 | 2011-03-23 | 富葵精密组件(深圳)有限公司 | Manufacturing method of hollowed-out flexible circuit board |
| CN104827816A (en) * | 2015-05-20 | 2015-08-12 | 安徽一威贸易有限公司 | Layered sculpture coloring method |
| CN104827815A (en) * | 2015-05-20 | 2015-08-12 | 安徽一威贸易有限公司 | Layered sculpturing method |
| CN104827814A (en) * | 2015-05-20 | 2015-08-12 | 安徽一威贸易有限公司 | Layered engraving and coloring system |
| CN104850404A (en) * | 2015-05-20 | 2015-08-19 | 安徽一威贸易有限公司 | Layered coloring system |
| CN104842699A (en) * | 2015-05-20 | 2015-08-19 | 安徽一威贸易有限公司 | Layered carving system |
| CN105109253A (en) * | 2015-08-21 | 2015-12-02 | 蒙建宇 | Device for automatically adjusting carving depth of carving machine |
| CN106077732A (en) * | 2016-07-04 | 2016-11-09 | 奥士康精密电路（惠州）有限公司 | A kind of pcb board slotted eye control of gradient method |
-
2000
- 2000-08-29 CN CN 00122894 patent/CN1282202A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101426342B (en) * | 2007-10-31 | 2011-03-23 | 富葵精密组件(深圳)有限公司 | Manufacturing method of hollowed-out flexible circuit board |
| CN101642825B (en) * | 2009-08-18 | 2010-12-01 | 无锡市华文机电有限公司 | Method for automatically selecting circuit board engraver tool |
| CN104842699A (en) * | 2015-05-20 | 2015-08-19 | 安徽一威贸易有限公司 | Layered carving system |
| CN104827815A (en) * | 2015-05-20 | 2015-08-12 | 安徽一威贸易有限公司 | Layered sculpturing method |
| CN104827814A (en) * | 2015-05-20 | 2015-08-12 | 安徽一威贸易有限公司 | Layered engraving and coloring system |
| CN104850404A (en) * | 2015-05-20 | 2015-08-19 | 安徽一威贸易有限公司 | Layered coloring system |
| CN104827816A (en) * | 2015-05-20 | 2015-08-12 | 安徽一威贸易有限公司 | Layered sculpture coloring method |
| CN104827816B (en) * | 2015-05-20 | 2017-07-11 | 安徽一威贸易有限公司 | One kind layering engraving painting methods |
| CN104827814B (en) * | 2015-05-20 | 2017-07-11 | 安徽一威贸易有限公司 | One kind layering engraving toning 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 |
| CN104850404B (en) * | 2015-05-20 | 2017-12-08 | 安徽一威贸易有限公司 | A kind of demixing point colour system system |
| CN105109253A (en) * | 2015-08-21 | 2015-12-02 | 蒙建宇 | Device for automatically adjusting carving depth of carving machine |
| CN106077732A (en) * | 2016-07-04 | 2016-11-09 | 奥士康精密电路（惠州）有限公司 | A kind of pcb board slotted eye control of gradient method |
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