CN102126040B - Milling method and device - Google Patents
Milling method and device Download PDFInfo
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- CN102126040B CN102126040B CN 201010620341 CN201010620341A CN102126040B CN 102126040 B CN102126040 B CN 102126040B CN 201010620341 CN201010620341 CN 201010620341 CN 201010620341 A CN201010620341 A CN 201010620341A CN 102126040 B CN102126040 B CN 102126040B
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Abstract
The invention discloses a milling method and device, relating to the technical field of electronics and solving the technical problems of high cost and longer processing time of a large-scale circuit board in the prior art. The milling method comprises the steps of: placing the circuit board on a first worktop and a second worktop of the milling device to ensure that a first processing part of the circuit board is in the first worktop, wherein the first worktop is adjacent to the second worktop; milling the first processing part by using a first cutter arranged corresponding to the first worktop on the milling device; and milling the second processing part by using a second cutter arranged corresponding to the second worktop on the milling device. The milling method and devices are applied to the milling and the processing of the circuit board.
Description
Technical field
The present invention relates to electronic technology field, be specifically related to a kind of milling method and milling equipment.
Background technology
Circuit board is the important component part in electronic equipment, and backboard (claim motherboard, English is: be Backplanes) a kind of circuit board that is applied to carry various components and parts.
Backboard possesses to inserting system board power distribution thereon or being communicated with electrical functionality between each plate, is mainly used in the fields such as server, network communication and base station.Backboard has generally that the number of plies is many, area is large, thickness is large, the aspect ratio high, and backboard is very high to the requirement of the aspects such as pressing technology, electroplating technology, level to level alignment degree technology in process of production.
As shown in Figure 1, make in prior art in the process of circuit board 1, need to hole, mill to circuit board 1 the repeatedly machining such as (mill and also claim gong) edges of boards.The method of existing machining circuit board 1 generally includes following steps:
Establishment is used for controlling the program (or claiming: formula, milling data, moulding data) of the cutter head 3 on milling equipment;
A plurality of circuit boards 1 are positioned over same position place on a plurality of work tops 2 of milling equipment with identical direction respectively;
According to program clamping corresponding cutters 4, and according to the predefined dimensional parameters of program, use the cutter 4 of institute's clamping on the cutter head 3 that on milling equipment, each work top 2 correspondence arranges, the circuit board 1 on each workbench 2 is synchronously carried out milling processing.
In prior art, common milling equipment, for example milling machine is provided with six identical work tops 2 of size usually, in six work tops 2, the equal correspondence of each work top 2 is provided with a cutter head 3, cutter 4 of the each clamping of each cutter head 3, each milling equipment are used for realizing simultaneously six circuit boards 1 that are positioned over respectively same position on six work tops 2 being carried out milling processing by six cutter heads 3 respectively.
Due to backboard and common circuit board 1 comparatively speaking, the difference of backboard maximum is that the size of backboard is larger, the size of the backboard that especially uses in telecommunication system usually also can be larger than the size of common backboard, for the backboard that is of a size of more than 24 * 24 inches, due to the size that has surpassed existing circuit board 1 milling equipment work top 2, so can't use existing circuit board 1 milling equipment to produce.Want to produce large-sized backboard, that whole milling equipment can only be designed in prior art is larger, perhaps, strengthens the size of the work top 2 of milling equipment, and increases the scope of milling equipment cutter head 3 activities.
The inventor finds in realizing process of the present invention, and there is following problem at least in prior art:
In prior art, no matter larger with whole milling equipment design, still strengthen the milling equipment size of work top 2 as shown in Figure 1, and the scope of cutter head 3 activities on the interior work top 2 of increase milling equipment, all need again to make new milling equipment, not only cost compare is high and again make new milling equipment or transform existing milling equipment, and will certainly delay process time of large scale circuit plate 1 (for example backboard more than 24 * 24 inches), cause the process time of large scale circuit plate 1 longer.
Summary of the invention
The embodiment of the present invention provides a kind of milling method, and solve prior art and existed cost high, and the technical problem that the processing of large scale circuit plate is inconvenient and process time is long.
For achieving the above object, embodiments of the invention adopt following technical scheme:
This milling method comprises the following steps:
S1, circuit board is placed on first work top and adjacent the second work top of milling equipment, makes the first processing part of described circuit board be in described the first work top;
S2, use on described milling equipment the first cutter with described the first corresponding setting of work top, milling is carried out in described the first processing part process;
S3, use on described milling equipment the second cutter with described the second corresponding setting of work top, milling is carried out in described the second processing part process.
The present invention also provides a kind of milling equipment, and this milling equipment comprises the first work top, the second work top, the first cutter head, the second cutter head and cutter head switching device shifter, wherein:
The first cutter of described the first cutter head clamping and described the first corresponding setting of work top;
The second cutter of described the second cutter head clamping and described the second corresponding setting of work top;
Described cutter head switching device shifter is used at described the first described the first cutter of cutter head clamping, and uses described the first cutter to carry out milling to the first processing part of the workpiece on the first work top to add man-hour, turn off described the second cutter head;
Described cutter head switching device shifter also is used at described the second described the second cutter of cutter head clamping, and uses described the second cutter to carry out milling to the second processing part of the workpiece on the second work top to add man-hour, turn off described the first cutter head.
Compared with prior art, the arbitrary technical scheme in technique scheme provided by the present invention all has following advantage at least:
in the milling method that provides due to the embodiment of the present invention, circuit board comprises the first processing part and the second processing part, and in process, the first processing part of circuit board and the second processing part are positioned over respectively on second work top of (adjacent or close) around the first work top and the first work top, then, use and the first work top and each self-corresponding first cutter of the second work top and the second cutter are completed the milling processing to circuit board the first processing part and the second processing part respectively, and then can use existing milling equipment to realize the milling of whole circuit board is processed, this shows, compared with prior art, need not larger with the design of whole milling equipment in the embodiment of the present invention, the scope that also need not to strengthen the size of milling equipment table surface or increase the activity of milling equipment cutter head, only by to the improvement of procedure of processing or add the cutter head switching device shifter and just can use existing milling equipment to complete processing to large scale circuit plate, because the present invention need not again to make new milling equipment, so not only saved cost, and shortened process time of large scale circuit plate, and then solved prior art and exist cost high, and the technical problem that the processing of large scale circuit plate inconvenience and process time are long,
In addition, because the milling method that the embodiment of the present invention provides can be utilized existing milling equipment fully, so can utilize so that existing resource can access more fully.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 uses the schematic diagram of the process of existing milling equipment milling processing circuit board in prior art;
The schematic diagram of the circuit board that offers the plate locating hole of milling processing is provided for the milling method that can use embodiments of the invention and provide Fig. 2;
A kind of embodiment of the milling method using embodiments of the invention and provide is provided Fig. 3, uses the schematic diagram of the process of milling machine milling processing circuit board;
Another embodiment of the milling method using embodiments of the invention and provide is provided Fig. 4, uses the schematic diagram of the process of milling machine milling processing circuit board;
The schematic flow sheet of the milling method that Fig. 5 provides for embodiments of the invention;
Establishment control program and the process schematic diagram that utilizes control program that cutter head is controlled in the milling method that Fig. 6 provides for embodiments of the invention;
The first processing part of locating circuit board or the schematic flow sheet of the second processing part in the milling method that Fig. 7 provides for embodiments of the invention;
The milling method that Fig. 8 provides for using embodiments of the invention, the schematic diagram of the process of use milling machine milling processing circuit board;
The schematic flow sheet of the method for mounting base in the milling method that Fig. 9 provides for embodiments of the invention.
The specific embodiment
The embodiment of the present invention provides a kind of can take full advantage of existing milling equipment, the milling method that cost is lower and process time large scale circuit plate is shorter and the milling equipment of using the method.
Milling method provided by the invention comprises the following steps:
S1, circuit board is placed on first work top and adjacent the second work top of milling equipment, makes the first processing part of described circuit board be in described the first work top;
S2, use on described milling equipment the first cutter with described the first corresponding setting of work top, milling is carried out in described the first processing part process;
S3, use on described milling equipment the second cutter with described the second corresponding setting of work top, milling is carried out in described the second processing part process.
Should understand, although circuit board can only be divided into the first processing part and the second processing part in one embodiment, but, each processing part of circuit board (for example the first processing part and the second processing part) needn't size equate, nor overall dimension that must the forming circuit plate, and can be to need the local part of processing on circuit board.When a processing part is added man-hour, this processing part should be in corresponding work top, rather than is in the gap area between adjacent work top.
Preferably, in various embodiments of the present invention, in this milling method, between described step S2 and described step S3, further comprising the steps of:
Adjust the position of described circuit board, described the second processing part is in described the second work top.
Owing to having certain interval between the first work top and the second work top, the zone that the part of circuit board need to be processed (for example the second processing part) is if between the first work top and the second work top the time, may exist the first cutter and the second cutter all can't milling the possibility of processing, so after machining the first processing part, the position that needs the Circuit tuning plate, the second processing part is in the second work top, like this, just, can be so that on whole circuit board, all zones that need milling to process all can be by milling.
Preferably, in various embodiments of the present invention, further comprising the steps of:
S10, with described circuit board be positioned over described the first work top, the second work top and with the 3rd work top of described the first work top and/or the described milling equipment adjacent with described the second work top on, make the 3rd processing part of described circuit board be in described the 3rd work top;
S20, use on described milling equipment the 3rd cutter with described the 3rd corresponding setting of work top, milling is carried out in described the 3rd processing part process.
The gross area that the work top that has increased milling equipment is set of the 3rd work top is so can use milling equipment processing dimension provided by the invention greater than the circuit board of the first work top and the second work top.Certainly, also can be according to the size of circuit board in the present embodiment, the multiplex (MUX) makes table top to use above method to arrange more.
Preferably, in various embodiments of the present invention, in this milling method, further comprising the steps of:
S2a, between described circuit board and described the first work top, location structure is set; And/or,
S2b, between described circuit board and described the second work top, location structure is set; And/or;
S2c, between described circuit board and described the 3rd work top, location structure is set.
Location structure is with firm being fixed on the first work top, the second work top and/or the 3rd work top of circuit board, can avoid in the process of processing circuit board like this that circuit board is offset, vibration, and affect the precision of milling processing, and then can guarantee that the quality of milling processing is higher, speed is faster.
Preferably, in various embodiments of the present invention, in this milling method, further comprising the steps of:
S2d, the supplemental support location structure is set, be used for supporting and/or locate described circuit board in described first, second, third work top part each other.
Because there is certain interval each other in first, second, third work top, in the process of milling processing circuit board, the circuit board at first, second, third work top gap place easily is damaged, so circuit board at first, second, third work top part place each other, the supplemental support location structure is set, can make to be positioned on the suffered support force of first, second, third work top circuit board each other and first, second, third work top basically identically, and then guarantee circuit board milling crudy everywhere.
Preferably, in various embodiments of the present invention, by at least two table top locating holes on the described first or second work top and the plate locating hole on the first or second processing part at described circuit board, described circuit board is positioned on the described first or second work top.In one embodiment, table top locating hole and/or plate locating hole can be unthreaded hole or screw, realize the location to match with corresponding pin or screw.
Preferably, in various embodiments of the present invention, between the first or second processing part of the described first or second work top and described circuit board, flexible plate is set, preferably described flexible plate is positioned on the described first or second work top by the bottom plate hole that arranges on it.In one embodiment, bottom plate hole can be unthreaded hole or screw, realizes the location to match with corresponding pin or screw.
Preferably, in various embodiments of the present invention, a plurality of described circuit boards with identical or symmetric patterns are placed on a plurality of work tops of described milling equipment, and in described milling equipment to the synchronous milling of a plurality of described circuit boards.
Synchronous milling helps to improve the milling efficient of circuit board, takes full advantage of work top as much as possible and cutter.
Preferably, in various embodiments of the present invention, described circuit board is set has following at least a feature:
On the first processing part of described circuit board and described circuit board, the second processing part is symmetrical;
The position of the plate locating hole on the position of the plate locating hole on the first processing part of described circuit board and the second processing part of described circuit board is symmetrical or not symmetrical;
Offer at least three described plate locating holes on the first processing part of described circuit board and/or on the second processing part;
Described plate locating hole is the NPTH hole on described circuit board.
Preferably, in various embodiments of the present invention, described the first work top is set and/or described the second work top has following at least a feature:
Described the first work top and/or described the second work top and/or described base plate are made or are made by phenolic materials by timber or non-timber;
When described circuit board was rectangular, described the first work top and described the second work top were all rectangular and measure-alike;
The size on the long limit of described circuit board is greater than the long limit of described the first work top or described the second work top.
Milling equipment provided by the present invention is used for implementing the milling method that the invention described above embodiment provides, and comprises the first work top, the second work top, the first cutter head, the second cutter head and cutter head switching device shifter, wherein:
The first cutter of described the first cutter head clamping and described the first corresponding setting of work top;
The second cutter of described the second cutter head clamping and described the second corresponding setting of work top;
Described cutter head switching device shifter is used at described the first described the first cutter of cutter head clamping, and uses described the first cutter to carry out milling to the first processing part of the workpiece on the first work top to add man-hour, turn off described the second cutter head;
Described cutter head switching device shifter also is used at described the second described the second cutter of cutter head clamping, and uses described the second cutter to carry out milling to the second processing part of the workpiece on the second work top to add man-hour, turn off described the first cutter head.
Preferably, in various embodiments of the present invention, this milling equipment also comprises sync control device, wherein:
Described sync control device is used for controlling a plurality of circuit boards with identical or symmetric patterns on a plurality of work tops that are placed on described milling equipment is carried out synchronous milling, and wherein said a plurality of work tops comprise described the first and second work tops.
In synchronous processing procedure, according to the size of circuit board, can use two or more work tops to each circuit board, thereby can realize the synchronous processing of many plates for the identical or symmetrical circuit board of pattern.In one embodiment, described milling equipment comprises six work tops, in this case, if each circuit board is used two work tops, but three circuit boards of synchronous processing; If each circuit board is used three work tops, but two circuit boards of synchronous processing.Like this, the synchronous processing by to circuit board can significantly improve production efficiency.
Preferably, in various embodiments of the present invention, this milling equipment also comprises the 3rd work top and the 3rd cutter head, the 3rd cutter of described the 3rd cutter head clamping and described the 3rd corresponding setting of work top, wherein:
Described cutter head switching device shifter also is used at described the 3rd cutter head clamping the 3rd cutter, and uses described the 3rd cutter to carry out milling to the 3rd processing part of the workpiece on the 3rd work top to add man-hour, turn off described the first cutter head and described the second cutter head.
Preferably, in various embodiments of the present invention, described the first work top is rectangle, and described the second work top is positioned on the length direction or width of described the first work top, and described the 3rd work top is positioned on the width or length direction of described the first work top.
In an embodiment of the present invention, can use as required more work tops, for example can use three work tops.In this case, according to the size shape of circuit board or processing part, the work top that adopts can be 1 shape distribution (for microscler circuit board or processing part) or L shaped distribution (for L shaped circuit board or processing part).
The setting of this arrangement works table top is more flexible, can the position of the 3rd work top be set according to the needs in space in factory building, simultaneously, uses milling equipment provided by the invention to process the more circuit board of Multiple Shape, for example: L-shaped circuit board.
Preferably, in various embodiments of the present invention, described the first cutter head, described the second cutter head and/or described the 3rd cutter head also comprise the cutter switching device shifter, wherein:
Described cutter switching device shifter is used for transferring corresponding described the first cutter, described the second cutter and/or described the 3rd cutter according to the needs of milling operation in the tool magazine described circuit board is carried out milling processing;
The cutter switching device shifter can be transferred corresponding cutter according to the needs of milling operation, not only can be so that a cutter head can use multiple cutter to carry out milling processing, and first cutter head, the second cutter head and/or the 3rd cutter head are when sharing a tool magazine, a cutter also can be in the different periods for different cutter heads, this shows, the setting of cutter switching device shifter has not only strengthened the function of milling operation, and due to the kind of cutter can arrange more, so can also process more complicated circuit board.
Preferably, in various embodiments of the present invention, this milling equipment also comprises circuit board adjustment positioner, wherein:
Described circuit board is adjusted positioner, be used for adjusting described circuit board on described a plurality of work tops the position and described circuit board is positioned at described a plurality of work top, for example be used for adjusting and/or locate the position of described circuit board on described the first work top, described the second work top and/or described the 3rd work top.
Use circuit board to adjust the position of positioner Circuit tuning plate on the first work top, the second work top and/or the 3rd work top, with respect to the operating position precision is higher manually, operation more saves time, laborsaving.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not paying creative work belongs to the scope of protection of the invention.
As Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, the milling method that the embodiment of the present invention provides comprises the following steps:
S1, will be as shown in Figure 2 the first processing part 11 of circuit board 1 be positioned on the first work top 21 of milling equipment as shown in Figure 3;
S2, the second processing part 12 of circuit board 1 is positioned on the second work top 22 around the first work top 21 of milling equipment;
S3, turn off on milling equipment and the cutter head 3 of the second corresponding setting of work top 22 as shown in Figure 3, use on milling equipment the cutter 4 of institute's clamping on the cutter head 3 with the first corresponding setting of work top 21, milling is carried out in the first processing part 11 of circuit board 1 process;
S4, turn off on milling equipment and the cutter head 3 of the first corresponding setting of work top 21 as shown in Figure 3, use on milling equipment the cutter 4 of institute's clamping on the cutter head 3 with the second corresponding setting of work top 22, milling is carried out in the second processing part 12 of circuit board 1 process; Perhaps, the second processing part 12 with circuit board 1 is positioned on the first work top 21 of milling equipment as shown in Figure 4, the first processing part 11 of circuit board 1 is positioned on the second work top 22 of milling equipment, use on milling equipment the cutter of institute's clamping on the cutter head with the first corresponding setting of work top 21, milling is carried out in the second processing part 12 of circuit board 1 process.
in the method for the milling processing circuit board 1 that provides due to the embodiment of the present invention, circuit board 1 comprises the first processing part 11 and the second processing part 12, and in process, the first processing part 11 of circuit board 1 and the second processing part 12 are positioned over respectively on second work top 22 of (adjacent or close) around the first work top 21 and the first work top 21, then, use respectively first cutter corresponding with the first work top 21 and the second work top 22 and the second cutter to complete processing to circuit board 1 first processing part 11 and the second processing part 12, and then can use existing milling equipment realization to the processing of whole circuit board 1, this shows, compared with prior art, need not larger with the design of whole milling equipment in the embodiment of the present invention, the scope that also need not to strengthen the size of milling equipment table surface or increase 3 activities of milling equipment cutter head, only by just can use existing milling equipment to complete processing to large scale circuit plate 1 to the improvement of procedure of processing, because the present invention need not again to make new milling equipment, so not only saved cost, and shortened process time of large scale circuit plate 1, and then solved prior art and exist cost high, and the technical problem that the process time of large scale circuit plate 1 is long,
In addition, the method for the milling processing circuit board 1 that provides due to the embodiment of the present invention can be utilized existing milling equipment fully, so can utilize so that existing resource can access more fully.
As shown in Figure 5 and Figure 6, in the present embodiment milling method, further comprising the steps of:
The cutter head 3 clamping cutters 4 on milling equipment be used for are controlled in S00, establishment, and use 4 pairs of circuit boards of cutter 1 of institute's clamping to carry out the control program of milling process operation;
S01, according to instruction relevant to the cutter head 3 of the first work top 21 or the second corresponding setting of work top 22 in control program, work out out for the first control program or the second control program controlled with the cutter head 3 of the first work top 21 or the second corresponding setting of work top 22;
S02, to milling device loads the first control program or the second control program;
Use the cutter 4 of institute's clamping on cutter head 3, the method to milling processing is carried out in the first processing part 11 or second processing part 12 of circuit board 1 is specially:
S03, milling equipment are controlled cutter head 3 clamping cutters 4 and are used the first processing part 11 or second processing part 12 of 4 pairs of circuit boards 1 of cutter of institute's clamping to carry out milling processing according to the first control program or the second control program.
Perhaps, in this milling method, before step S3, further comprising the steps of:
The cutter head 3 clamping cutters 4 with the first corresponding setting of work top 21 be used for are controlled in milling equipment in S00, establishment, and the first control program of milling process operation is carried out in the first processing part 11 of 4 pairs of circuit boards 1 of cutter of use institute clamping;
The cutter head 3 clamping cutters 4 with the second corresponding setting of work top 22 be used for are controlled in milling equipment in S01, establishment, and the second control program of milling process operation is carried out in the second processing part 12 of 4 pairs of circuit boards 1 of cutter of use institute clamping;
S02, to milling device loads the first control program or the second control program;
Use the cutter 4 of institute's clamping on cutter head 3, the method to milling processing is carried out in the first processing part 11 or second processing part 12 of circuit board 1 is specially:
S03, milling equipment are controlled cutter head 3 clamping cutters 4 and are used the first processing part 11 or second processing part 12 of 4 pairs of circuit boards 1 of cutter of institute's clamping to carry out milling processing according to the first control program or the second control program.
Control program is also referred to as milling data or milling formula, and usually the client can provide a complete milling data, with a complete milling data be divided into two independently the benefit of the first control program and the second control program be:
the first control program, the second control program is controlled respectively the first work top 21 and second corresponding 3 pairs of the first work tops 21 of cutter head that arrange of work top 22 and the circuit board 1 on the second work top 22 and is carried out milling processing, due to the first control program, the second control program is mutually independently, so when both control different cutter heads 3 respectively, can not interact, and can gradation load the first control program, the second control program, due to the first control program, the inevitable data volume less than a complete milling data of the data volume of the second control program, so for complete control program of disposable loading, gradation loads the words of the first control program and the second control program, in loading procedure, the data volume of required loading is less, more be conducive to improve the efficient of milling equipment processing circuit board.In addition, due to the first control program, the second control program can gradation, be written into respectively, so can separately edit, improve, debug the first control program, the second control program, the program composition meeting be more flexible, establishment efficient can be higher, error probability also can reduce.
In the first control program and the second control program, use the number of cutting tool 4, order to use the number of cutting tool 4, order to be redefined for consistent with the cutter head 3 of the second corresponding setting of work top 22 with the cutter head 3 of the first corresponding setting of work top 21 on milling equipment.
In the first control program and the second control program, the number, order that uses cutters 4 with the cutter head 3 of the first corresponding setting of work top 21 on milling equipment is with the number of the cutter head 3 use cutters 4 of the second corresponding setting of work top 22, sequentially be redefined for when consistent, the tool magazine that the first corresponding cutter head 3 that arranges of work top 21 and the second corresponding cutter head 3 that arranges of work top 22 use can design identical, saved and be equipped with the different cutters spent time of 4 storehouses, helped to increase work efficiency.
In the invention described above the present embodiment, step S4 is preferably: turn off on milling equipment the cutter head 3 with the first corresponding setting of work top 21, use on milling equipment the cutter 4 of institute's clamping on the cutter head 3 with the second corresponding setting of work top 22, milling is carried out in the second processing part 12 of circuit board 1 process;
Between step S2 and step S3, further comprising the steps of:
S2a, the first processing part 11 of circuit board 1 is removably fixed on the first work top 21;
And/or, between step S3 and step S4, further comprising the steps of:
S3a, the second processing part 12 of circuit board 1 is removably fixed on the second work top 22.
In the process of circuit board 1 being carried out milling processing, when circuit board 1 is removably fixed in the first work top 21 or is removably fixed on the second work top 22, can avoid circuit board 1 in the process of milling processing because be subject to the cutter 4 of institute's clamping on the cutter head 3 of milling equipment to the vibration of its cutting force that applies and milling equipment, and cause circuit board 1 to follow cutter 4 and/or milling equipment trembles, is offset, and then can guarantee precision and the quality of milling processing.
Step S4 is preferably: turn off on milling equipment the cutter head 3 with the first corresponding setting of work top 21, use on milling equipment the cutter 4 of institute's clamping on the cutter head 3 with the second corresponding setting of work top 22, milling is carried out in the second processing part 12 of circuit board 1 add man-hour, on the one hand, the first processing part 11 of again changing circuit board 1 and the step of the second processing part 12 have been saved; On the other hand, the workload of milling processing circuit board 1 is comparatively average share on milling equipment with the cutter head 3 of the second corresponding setting of work top 22 on institute's clamping cutter 4 and with the cutter head 3 of the first corresponding setting of work top 21 on the cutter 4 of institute's clamping, so on two workbench on corresponding cutter head 3 loss of cutter 4 in the milling process of institute's clamping more average, so on two workbench, on corresponding cutter head 3, the service life of the cutter 4 of institute's clamping also can be more of a specified duration.
As Fig. 3 and shown in Figure 7, in the invention described above the present embodiment, step S2a or step S3a specifically comprise the following steps:
Sa1, the milling of predefined position processes at least two table top locating holes 5 on the first work top 21 or the second work top 22;
Sa2, process, position corresponding plate locating hole 6 identical with table top locating hole 5 plate numbers in predefined position on the first processing part 11 of circuit board 1 or on the second processing part 12;
Sa3, embed pins 7 at table top locating hole 5, the wherein part of pin 7 is extended table top locating hole 5;
Sa4, with the first processing part 11 of circuit board 1 or the second processing part 12 by on the part that plate locating hole 6 is socketed on pin 7 and extends table top locating hole 5.
The fixed structure that table top locating hole 5, plate locating hole 6 and pin 7 consist of is not only relatively simple for structure, be convenient to make, and dismounting, fitting operation is also more convenient.Cutter 4 cuttings that in the present embodiment, table top locating hole 5 is preferably institute's clamping on the cutter head 3 of milling equipment form, before plate locating hole 6 is preferably and selects in the operation of processing circuit board in out NPTH of circuit board 1 Drilling operation (Non Plating Through Hole, non-heavy copper hole) hole.The hole wall in NPTH hole is convenient to Drilling operation without copper, suitable being applied to as plate locating hole 6.Three points can be determined a plane, so in the present embodiment, plate locating hole 6 is preferably three.Certainly, in the present embodiment, the number of plate locating hole 6 also can arrange three with last.
In the invention described above the present embodiment, on the first processing part 11 on circuit board 1 and circuit board 1, the second processing part 12 is symmetrical, and/or the position of the plate locating hole 6 on the first processing part 11 of circuit board 1 and the position of the plate locating hole 6 on the second processing part 12 on circuit board 1 are not symmetrical.
(for example: work top milling machine) is all that size dimension is identical due to every milling equipment in prior art, so on the first processing part 11 on circuit board 1 and circuit board 1, the symmetrical design in the second processing part 12 can be on the first work top 21 and the workload of comparatively average distribution milling processing on the second work top 22, and then make the loss of the cutter 4 on the cutter head 3 of cutter 4 and the second corresponding setting of work top 22 on the corresponding cutter head 3 that arranges of the first work top 21 comparatively average, help to extend the first corresponding cutter head 3 that arranges of work top 21 with and on cutter 4, and with the cutter head 3 of the second corresponding setting of work top 22 and on service life of cutter 4, simultaneously, because circuit board 1 symmetric design can be so that the first processing part 11 and the second processing part 12 central points be more definite, the location of circuit board 1 is more easy.
When the position of the plate locating hole 6 on the first processing part 11 of circuit board 1 and the position of the plate locating hole 6 on the second processing part 12 on circuit board 1 are not symmetrical, can avoid operating personnel in the process of placing circuit board 1, the first processing part 11 and second processing part 12 of circuit board 1 to be mistaken one's bearings, reduce the probability of maloperation.
In the invention described above the present embodiment, milling equipment is as Fig. 3 or milling machine shown in Figure 4, and cutter 4 is milling cutter.Milling machine is the higher milling equipment of frequency of utilization, and existing milling machine is provided with a plurality of workbench usually, and the edges of boards zone of existing circuit board 1 all needs so be suitable for using technical solution of the present invention, to enlarge the size range of its circuit board 1 that can process through milling processing usually.
As Fig. 8 and shown in Figure 9, in the invention described above the present embodiment, between step S2 and step S4, further comprising the steps of:
S2b, predefined position processes, position corresponding bottom plate hole identical with table top locating hole 5 plate numbers on the base plate as shown in Figure 78 that flexibility is made higher than the material of circuit board 1;
S2c, lay base plates 8 at the first work top 21 or the second work top 22, bottom plate hole is sheathed on the corresponding pin 7 in its position extends on the part of table top locating hole 5;
S2d, circuit board 1 is positioned on base plate 8 on the first work top 21 or the second work top 22.
Due to the material flexibility of base plate 8 material higher than circuit board 1, base plate 8 is padded between circuit board 1 and the first work top 21 or between circuit board 1 and the second work top 22, can avoid circuit board 1 in the process of milling processing circuit board 1 splitting to occur near the part of the first work top 21 or the second work top 22, and then guarantee machining accuracy and the intensity of circuit board 1.All base plate 8 can be set during milling machine milling processing circuit board 1.
As Fig. 3 or shown in Figure 8, in the invention described above the present embodiment, offer at least three plate locating holes 6 on the first processing part 11 of circuit board 1 and/or on the second processing part 12;
And/or the first work top 21 and/or the second work top 22 are made for wood;
And/or base plate 8 is made for phenolic materials.
Wood had both had certain flexibility can guarantee that the first work top 21 and/or the second work top 22 can not cause loss to cutter 4, have again certain rigidity and can guarantee that the first work top 21 and/or the second work top 22 support reliably, locating circuit board 1, and, wood also has with low cost, the advantage of being convenient to draw materials.Certainly, in the present embodiment, the first work top 21 and/or the second work top 22 also can use other materials outside wood.
Phenolic materials is all reasonable materials of a kind of fire protecting performance, flexibility, suitablely is applied to cushion the cutting force that applies in the process of cutter 4 cutting circuit boards 1.
As Fig. 3, Fig. 4 or shown in Figure 8, in the invention described above the present embodiment, circuit board 1 is rectangular, and the first work top 21 and the second work top 22 are all rectangular and measure-alike;
And/or the size on the long limit of circuit board 1 is greater than the long limit of the first work top 21 or the second work top 22.
Rectangular the first work top 21 and the second work top 22 are comparatively general, help to improve the versatility of the method for the milling processing circuit board 1 that the embodiment of the present invention provides.Usually, the milling equipment that provides in prior art can't be processed the circuit board 1 of size more than 20 * 20 inches, and the method for the milling processing circuit board 1 that the application embodiment of the present invention provides not only can be processed the circuit board 1 of size more than 20 * 20 inches, and, can also be applied to process the backboard of 24 * 24 inches.
The milling equipment that the embodiment of the present invention provides comprises the first work top, the second work top, cutter head and cutter head switching device shifter, wherein:
On the first work top and on the second work top respectively correspondence be provided with cutter head;
The cutter head switching device shifter, be used for the cutter head clamping cutter of the first corresponding setting of work top, and use cutter to carry out milling to the first processing part of the workpiece on the first work top to add man-hour, turn off on milling equipment the cutter head with the second corresponding setting of work top;
The cutter head switching device shifter, also be used for the cutter head clamping cutter of the second corresponding setting of work top, and use cutter to carry out milling to the second processing part of the workpiece on the second work top to add man-hour, turn off on milling equipment the cutter head with the first corresponding setting of work top.
Because the cutter head switching device shifter in embodiment of the present invention milling equipment has been used the milling method that the invention described above embodiment provides, so there is total specified features between embodiment of the present invention milling equipment and the invention described above milling method, so also can produce identical technique effect, solve identical technical problem.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement are within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (16)
1. milling method is characterized in that: comprise the following steps:
S1, circuit board is placed on first work top and adjacent the second work top of milling equipment, makes the first processing part of described circuit board be in described the first work top;
S2, use on described milling equipment the first cutter with described the first corresponding setting of work top, milling is carried out in described the first processing part process;
S3, use on described milling equipment the second cutter with described the second corresponding setting of work top, milling is carried out in the second processing part in described the second work top process.
2. milling method according to claim 1 is characterized in that: in this milling method, between described step S2 and described step S3, further comprising the steps of:
Adjust the position of described circuit board, described the second processing part is in described the second work top.
3. milling method according to claim 1 and 2 is characterized in that: further comprising the steps of:
S10, with described circuit board be positioned over described the first work top, the second work top and with the 3rd work top of described the first work top and/or the described milling equipment adjacent with described the second work top on, make the 3rd processing part of described circuit board be in described the 3rd work top;
S20, use on described milling equipment the 3rd cutter with described the 3rd corresponding setting of work top, milling is carried out in described the 3rd processing part process.
4. milling method according to claim 3 is characterized in that: in this milling method, further comprising the steps of:
S2a, between described circuit board and described the first work top, location structure is set; And/or,
S2b, between described circuit board and described the second work top, location structure is set; And/or;
S2c, between described circuit board and described the 3rd work top, location structure is set.
5. milling method according to claim 3 is characterized in that: in this milling method, further comprising the steps of:
S2d, the supplemental support location structure is set, be used for supporting and/or locate described circuit board in described first, second, third work top part each other.
6. milling method according to claim 1 and 2 is characterized in that:
By at least two table top locating holes on the described first or second work top and the plate locating hole on the first or second processing part at described circuit board, described circuit board is positioned on the described first or second work top.
7. milling method according to claim 1 and 2 is characterized in that:
Between the first or second processing part of the described first or second work top and described circuit board, flexible plate is set.
8. milling method according to claim 7 is characterized in that:
Described flexible plate is positioned on the described first or second work top by the bottom plate hole that arranges on it.
9. milling method according to claim 1 and 2 is characterized in that:
A plurality of described circuit boards with identical or symmetric patterns are placed on a plurality of work tops of described milling equipment, and in described milling equipment to the synchronous milling of a plurality of described circuit boards.
10. milling method according to claim 1 and 2 is characterized in that: described circuit board is set has following at least a feature:
On the first processing part of described circuit board and described circuit board, the second processing part is symmetrical;
The position of the plate locating hole on the position of the plate locating hole on the first processing part of described circuit board and the second processing part of described circuit board is symmetrical or not symmetrical;
Offer at least three described plate locating holes on the first processing part of described circuit board and/or on the second processing part;
Described plate locating hole is the NPTH hole on described circuit board.
11. milling method according to claim 1 and 2 is characterized in that: described the first work top is set and/or described the second work top has following at least a feature:
Described the first work top and/or described the second work top are made by timber or by phenolic materials;
When described circuit board was rectangular, described the first work top and described the second work top were all rectangular and measure-alike;
The size on the long limit of described circuit board is greater than the long limit of described the first work top or described the second work top.
12. a milling equipment is used for implementing the arbitrary described milling method of claim 1 to 11, it is characterized in that: comprise the first work top, the second work top, the first cutter head, the second cutter head and cutter head switching device shifter, wherein:
The first cutter of described the first cutter head clamping and described the first corresponding setting of work top;
The second cutter of described the second cutter head clamping and described the second corresponding setting of work top;
Described cutter head switching device shifter is used at described the first described the first cutter of cutter head clamping, and uses described the first cutter to carry out milling to the first processing part of the first workpiece on the first work top to add man-hour, turn off described the second cutter head;
Described cutter head switching device shifter also is used at described the second described the second cutter of cutter head clamping, and uses described the second cutter to carry out milling to the second processing part of described the first workpiece on the second work top to add man-hour, turn off described the first cutter head.
13. milling equipment according to claim 12 is characterized in that: this milling equipment, also comprise sync control device, wherein:
Described sync control device is used for controlling a plurality of circuit boards with identical or symmetric patterns on a plurality of work tops that are placed on described milling equipment is carried out synchronous milling, and wherein said a plurality of work tops comprise described the first and second work tops.
14. according to claim 12 or 13 described milling equipment, it is characterized in that: described the first work top is rectangle, described the second work top is positioned on the length direction or width of described the first work top, also comprise the 3rd workbench, described the 3rd work top is positioned on the width or length direction of described the first work top.
15. milling equipment according to claim 14, it is characterized in that: also comprise the 3rd cutter head, the 3rd cutter of described the 3rd cutter head clamping and described the 3rd corresponding setting of work top, described the first cutter head, described the second cutter head and/or described the 3rd cutter head also comprise the cutter switching device shifter, wherein:
Described cutter switching device shifter is used for transferring corresponding described the first cutter, described the second cutter and/or described the 3rd cutter according to the needs of milling operation in the tool magazine described circuit board is carried out milling processing.
16. according to claim 12 or 13 or 15 described milling equipment is characterized in that: this milling equipment also comprises circuit board adjustment positioner, wherein:
Described circuit board is adjusted positioner, be used for adjusting described circuit board on described a plurality of work tops the position and described circuit board is positioned at described a plurality of work top.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010620341 CN102126040B (en) | 2010-12-23 | 2010-12-23 | Milling method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010620341 CN102126040B (en) | 2010-12-23 | 2010-12-23 | Milling method and device |
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| CN102126040B true CN102126040B (en) | 2013-06-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106163117A (en) * | 2016-07-14 | 2016-11-23 | 广州杰赛科技股份有限公司 | The machine-tooled method of wiring board |
| CN109275267B (en) * | 2018-09-21 | 2020-03-31 | 巢湖市金辉自控设备有限公司 | Cutting device for manufacturing PCB of frequency converter |
| CN113276198B (en) * | 2021-04-09 | 2022-08-19 | 江苏亿正电子科技有限公司 | Cutting processing system and working method of PCB |
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Effective date of registration: 20221013 Address after: 3007, Hengqin international financial center building, No. 58, Huajin street, Hengqin new area, Zhuhai, Guangdong 519031 Patentee after: New founder holdings development Co.,Ltd. Patentee after: ZHUHAI FOUNDER PCB DEVELOPMENT Co.,Ltd. Address before: 100871, Beijing, Haidian District Cheng Fu Road 298, founder building, 5 floor Patentee before: PEKING UNIVERSITY FOUNDER GROUP Co.,Ltd. Patentee before: ZHUHAI FOUNDER PCB DEVELOPMENT Co.,Ltd. |