CN102126040A - Milling method and device - Google Patents
Milling method and device Download PDFInfo
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- CN102126040A CN102126040A CN 201010620341 CN201010620341A CN102126040A CN 102126040 A CN102126040 A CN 102126040A CN 201010620341 CN201010620341 CN 201010620341 CN 201010620341 A CN201010620341 A CN 201010620341A CN 102126040 A CN102126040 A CN 102126040A
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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 the electronic equipment, and backboard (claim motherboard, English is: Backplanes) be 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 fields such as server, network communication and base station.Backboard generally has characteristics such as the number of plies is many, area is big, thickness is big, aspect ratio height, and backboard is very high to the requirement of aspects such as pressing technology, electroplating technology, level to level alignment degree technology in process of production.
As shown in Figure 1, make in the prior art in the process of circuit board 1, need hole, mill repeatedly machining such as (mill and also claim gong) edges of boards circuit board 1.The method of existing machining circuit board 1 generally includes following steps:
Establishment is used to control the program (or claiming: formula, milling data, moulding data) of the cutter head 3 on the 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, use the cutter 4 of institute's clamping on cutter heads 3 that each work top 2 correspondence is provided with on the milling equipment, the circuit board 1 on each workbench 2 is carried out milling processing synchronously according to the predefined dimensional parameters of program.
In the 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, each work top 2 equal correspondence is provided with a cutter head 3, cutter 4 of each cutter head 3 each clamping, each milling equipment are used for realizing simultaneously six circuit boards 1 that are positioned over same position on six work tops 2 respectively being carried out milling processing by six cutter heads 3 respectively.
Because backboard is compared with common circuit board 1, the difference of backboard maximum is that the size of backboard is bigger, especially the size of employed backboard usually also can be bigger than the size of common backboard in the telecommunication system, for the backboard that is of a size of more than 24 * 24 inches, owing to surpassed the size of 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 the prior art is bigger, 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 that there is following problem at least in prior art in realizing process of the present invention:
In the prior art, no matter be bigger 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 to make again new milling equipment, and make new milling equipment again or transform existing milling equipment not only cost than higher, 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 invention provides a kind of milling method, and solve prior art and had the cost height, 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 may further comprise the steps:
S1, circuit board is placed on first work top and adjacent second work top of milling equipment, makes first processing part of described circuit board be in described first work top;
First cutter of corresponding setting with described first work top carries out milling processing to described first processing part on S2, the described milling equipment of use;
Second cutter of corresponding setting with described second work top carries out milling processing to described second processing part on S3, the described milling equipment of use.
The present invention also provides a kind of milling equipment, and this milling equipment comprises first work top, second work top, first cutter head, second cutter head and cutter head switching device shifter, wherein:
First cutter of the described first cutter head clamping and the corresponding setting of described first work top;
Second cutter of the described second cutter head clamping and the corresponding setting of described second work top;
Described cutter head switching device shifter is used at described first cutter of the described first cutter head clamping, and uses described first cutter that milling is carried out in first processing part of the workpiece on first work top to add man-hour, turn off described second cutter head;
Described cutter head switching device shifter also is used at described second cutter of the described second cutter head clamping, and uses described second cutter that milling is carried out in second processing part of the workpiece on second work top to add man-hour, turn off described first cutter head.
Compared with prior art, the arbitrary technical scheme in the technique scheme provided by the present invention all has following advantage at least:
Because in the milling method that the embodiment of the invention provided, circuit board comprises first processing part and second processing part, and in the process, first processing part of circuit board and second processing part are positioned over respectively on second work top of (adjacent or close) around first work top and first work top, then, the use and first work top and each self-corresponding first cutter of second work top and second cutter are finished the milling processing to circuit board first processing part and second processing part respectively, and then can use existing milling equipment to realize the milling of entire circuit plate is processed; This shows, compared with prior art, need not bigger with the design of whole milling equipment in the embodiment of the 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 finish processing to large scale circuit plate, because the present invention need not to make again new milling equipment, so not only saved cost, and shortened process time of large scale circuit plate, and then solved prior art and have the cost height, and the processing of large scale circuit plate inconvenience and the technical problem grown process time;
In addition, because the milling method that the embodiment of the invention provided 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 invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram that uses the process of existing milling equipment milling processing circuit board in the 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;
Fig. 3 uses the schematic diagram of the process of milling machine milling processing circuit board for using a kind of embodiment of the milling method that embodiments of the invention provided;
Fig. 4 uses the schematic diagram of the process of milling machine milling processing circuit board for using another embodiment of the milling method that embodiments of the invention provided;
Fig. 5 is the schematic flow sheet of the milling method that embodiments of the invention provided;
The process schematic diagram of Fig. 6 for working out control program and utilize control program that cutter head is controlled in the milling method that embodiments of the invention provided;
Fig. 7 is first processing part of locating circuit board in the milling method that embodiments of the invention provided or the schematic flow sheet of second processing part;
Fig. 8 uses the schematic diagram of the process of milling machine milling processing circuit board for using the milling method that embodiments of the invention provided;
Fig. 9 is for installing the schematic flow sheet of the method for base plate in the milling method that embodiments of the invention provided.
The specific embodiment
The embodiment of the invention provides a kind of can make full use of existing milling equipment, milling method that cost is lower and process time large scale circuit plate is short and the milling equipment of using this method.
Milling method provided by the invention may further comprise the steps:
S1, circuit board is placed on first work top and adjacent second work top of milling equipment, makes first processing part of described circuit board be in described first work top;
First cutter of corresponding setting with described first work top carries out milling processing to described first processing part on S2, the described milling equipment of use;
Second cutter of corresponding setting with described second work top carries out milling processing to described second processing part on S3, the described milling equipment of use.
Should understand, though circuit board can only be divided into first processing part and second processing part in one embodiment, but, each processing part of circuit board (for example first processing part and 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 the circuit board.When a processing part is added man-hour, this processing part should be in the corresponding work table top, rather than is in the gap area between the 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 second processing part is in described second work top.
Owing to have certain interval between first work top and second work top, the zone that the part of circuit board need be processed (for example second processing part) is if between first work top and second work top time, then may exist first cutter and second cutter all can't milling the possibility of processing, so machine after first processing part, need to adjust the position of circuit board, second processing part is in second work top, like this, just, can be so that all zones that need milling to process all can be by milling on the entire circuit plate.
Preferably, in various embodiments of the present invention, further comprising the steps of:
S10, with described circuit board be positioned over described first work top, second work top and with the 3rd work top of described first work top and/or the described milling equipment adjacent with described second work top on, make the 3rd processing part of described circuit board be in described the 3rd work top;
The 3rd cutter of corresponding setting with described the 3rd work top carries out milling processing to described the 3rd processing part on S20, the described milling equipment of use.
The gross area that the work top that has increased milling equipment is set of the 3rd work top is so can use the circuit board of milling equipment processing dimension provided by the invention greater than first work top and second work top.Certainly, also can be in the present embodiment according to the size of circuit board, the multiplex (MUX) makes table top to use above method to be provided with 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 first work top, location structure is set; And/or,
S2b, between described circuit board and described 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 first work top, second work top and/or the 3rd work top of circuit board, can avoid circuit board to be offset, to go here and there like this in the process of processing circuit board, and influence 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 to support 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 between first, second, third work top circuit board of gap location easily be 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 at basically identical on suffered support force of first, second, third work top circuit board each other and first, second, third work top, 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 described first or second work top and the plate locating hole on first or second processing part at described circuit board, described circuit board is positioned on 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 first or second processing part of described first or second work top and described circuit board flexible plate is set, preferably described flexible plate is positioned on described first or second work top by the bottom plate hole that is provided with 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.
Milling synchronously helps to improve the milling efficient of circuit board, makes full use 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:
Second processing part is symmetrical on first processing part of described circuit board and the described circuit board;
The position of the plate locating hole on the position of the plate locating hole on first processing part of described circuit board and second processing part of described circuit board is symmetrical or not symmetrical;
Offer at least three described plate locating holes on first processing part of described circuit board and/or on second processing part;
Described plate locating hole is the NPTH hole on the described circuit board.
Preferably, in various embodiments of the present invention, described first work top is set and/or described second work top has following at least a feature:
Described first work top and/or described 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 first work top and described 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 first work top or described second work top.
Milling equipment provided by the present invention is used to implement the milling method that the invention described above embodiment is provided, and comprises first work top, second work top, first cutter head, second cutter head and cutter head switching device shifter, wherein:
First cutter of the described first cutter head clamping and the corresponding setting of described first work top;
Second cutter of the described second cutter head clamping and the corresponding setting of described second work top;
Described cutter head switching device shifter is used at described first cutter of the described first cutter head clamping, and uses described first cutter that milling is carried out in first processing part of the workpiece on first work top to add man-hour, turn off described second cutter head;
Described cutter head switching device shifter also is used at described second cutter of the described second cutter head clamping, and uses described second cutter that milling is carried out in second processing part of the workpiece on second work top to add man-hour, turn off described first cutter head.
Preferably, in various embodiments of the present invention, this milling equipment also comprises sync control device, wherein:
Described sync control device, a plurality of circuit boards with identical or symmetric patterns that are used to control on a plurality of work tops that are placed on described milling equipment carry out synchronous milling, and wherein said a plurality of work tops comprise described first and second work tops.
In synchronous processing procedure, according to the size of circuit board, can use two or more work tops, thereby can realize the synchronous processing of many plates for the identical or symmetrical circuit board of pattern to each circuit board.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 then; If each circuit board is used three work tops, but two circuit boards of synchronous processing then.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 the corresponding setting of described the 3rd 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 that milling is carried out in the 3rd processing part of the workpiece on the 3rd work top to add man-hour, turn off described first cutter head and described second cutter head.
Preferably, in various embodiments of the present invention, described first work top is a rectangle, and described second work top is positioned on the length direction or width of described first work top, and described the 3rd work top is positioned on the width or length direction of described first work top.
In an embodiment of the present invention, can use more a plurality of work tops as required, 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 is adopted can be the distribution of 1 shape (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, and the position of the 3rd work top can be set according to the needs in space in the factory building, simultaneously, uses milling equipment provided by the invention to process the more circuit board of multiform shape, for example: L-shaped circuit board.
Preferably, in various embodiments of the present invention, described first cutter head, described 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 first cutter, described 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 during the shared tool magazine of first cutter head, second cutter head and/or the 3rd cutter head, a cutter also can use for different cutter heads in the different periods, this shows, the setting of cutter switching device shifter has not only strengthened the function of milling operation, and since the kind of cutter can be provided with 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 to adjust 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 to adjust and/or locate the position of described circuit board on described first work top, described second work top and/or described the 3rd work top.
Use circuit board to adjust positioner and adjust the position of circuit board on first work top, 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 invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills are obtained 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 invention provided may further comprise the steps:
S1, will be as shown in Figure 2 first processing part 11 of circuit board 1 be positioned on first work top 21 of milling equipment as shown in Figure 3;
S2, second processing part 12 of circuit board 1 is positioned on second work top 22 around first work top 21 of milling equipment;
S3, turn off on the milling equipment and the cutter head 3 of second work top, 22 corresponding settings as shown in Figure 3, use on the milling equipment cutter 4 of institute's clamping on the cutter head 3 with the 21 corresponding settings of first work top, milling is carried out in first processing part 11 of circuit board 1 process;
S4, turn off on the milling equipment and the cutter head 3 of first work top, 21 corresponding settings as shown in Figure 3, use on the milling equipment cutter 4 of institute's clamping on the cutter head 3 with the 22 corresponding settings of second work top, milling is carried out in second processing part 12 of circuit board 1 process; Perhaps, second processing part 12 with circuit board 1 is positioned on first work top 21 of milling equipment as shown in Figure 4, first processing part 11 of circuit board 1 is positioned on second work top 22 of milling equipment, use on the milling equipment cutter of institute's clamping on the cutter head with the 21 corresponding settings of first work top, milling is carried out in second processing part 12 of circuit board 1 process.
Because in the method for the milling processing circuit board 1 that the embodiment of the invention provided, circuit board 1 comprises first processing part 11 and second processing part 12, and in the process, first processing part 11 of circuit board 1 and second processing part 12 are positioned over respectively on second work top 22 of (adjacent or close) around first work top 21 and first work top 21, then, use first cutter corresponding and second cutter to finish processing respectively to circuit board 1 first processing part 11 and second processing part 12 with first work top 21 and second work top 22, and then can use the processing of existing milling equipment realization to entire circuit plate 1, this shows, compared with prior art, need not bigger with the design of whole milling equipment in the embodiment of the 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 finish processing to the improvement of procedure of processing to large scale circuit plate 1, because the present invention need not to make again new milling equipment, so not only saved cost, and shortened process time of large scale circuit plate 1, and then solved prior art and had the cost height, and the process time of large scale circuit plate 1 long technical problem;
In addition, because the method for the milling processing circuit board 1 that the embodiment of the invention provided 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:
S00, establishment are used to control the cutter head 3 clamping cutters 4 on the milling equipment, and 4 pairs of circuit boards of cutter 1 of use institute clamping carry out the control program of milling process operation;
S01, according to instruction relevant in the control program with the cutter head 3 of first work top 21 or the 22 corresponding settings of second work top, work out out first control program or second control program that are used to control with the cutter head 3 of first work top 21 or the 22 corresponding settings of second work top;
S02, to milling device loads first control program or second control program;
Use the cutter 4 of institute's clamping on the cutter head 3, the milling method for processing carried out in first processing part 11 or second processing part 12 of circuit board 1, be specially:
S03, milling equipment are according to first control program or second control program, and control cutter head 3 clamping cutters 4 also use 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.
Perhaps, in this milling method, before step S3, further comprising the steps of:
S00, establishment are used to control in the milling equipment cutter head 3 clamping cutters 4 with the 21 corresponding settings of first work top, and first control program of milling process operation is carried out in first processing part 11 of 4 pairs of circuit boards 1 of cutter of use institute clamping;
S01, establishment are used to control in the milling equipment cutter head 3 clamping cutters 4 with the 22 corresponding settings of second work top, and second control program of milling process operation is carried out in second processing part 12 of 4 pairs of circuit boards 1 of cutter of use institute clamping;
S02, to milling device loads first control program or second control program;
Use the cutter 4 of institute's clamping on the cutter head 3, the milling method for processing carried out in first processing part 11 or second processing part 12 of circuit board 1, be specially:
S03, milling equipment are according to first control program or second control program, and control cutter head 3 clamping cutters 4 also use 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.
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 first control program and second control program be:
First control program, second control program is controlled first work top 21 and second work top, 22 corresponding 3 pairs first work tops 21 of cutter head that are provided with and the circuit board 1 on second work top 22 respectively and is carried out milling processing, because first control program, second control program is mutually independently, so when both control different cutter heads 3 respectively, can not interact, and can gradation load first control program, second control program, because first control program, the inevitable data volume of the data volume of second control program less than a complete milling data, so for complete control program of disposable loading, gradation loads the words of first control program and second control program, required loaded data amount is littler in the loading procedure, more helps improving the efficient of milling equipment processing circuit board.In addition, because first control program, second control program can gradation, be written into respectively, so can separately edit, improve, debug first control program, second control program, the program composition meeting be more flexible, establishment efficient can be higher, error probability also can reduce.
In first control program and 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 first work top, 21 corresponding settings on the milling equipment with the cutter head 3 of second work top, 22 corresponding settings.
In first control program and second control program, the number, order that uses cutters 4 with the cutter head 3 of first work top, 21 corresponding settings on the milling equipment is with the number of the cutter head 3 use cutters 4 of second work top, 22 corresponding setting, be redefined for when consistent in proper order, first work top, 21 corresponding cutter heads 3 that are provided with and second work top, the 22 corresponding cutter head 3 employed tool magazines that are provided with 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 present embodiment, step S4 is preferably: turn off on the milling equipment cutter head 3 with the 21 corresponding settings of first work top, use on the milling equipment cutter 4 of institute's clamping on the cutter head 3 with the 22 corresponding settings of second work top, milling is carried out in second processing part 12 of circuit board 1 process;
Between step S2 and the step S3, further comprising the steps of:
S2a, first processing part 11 of circuit board 1 is removably fixed on first work top 21;
And/or, between step S3 and the step S4, further comprising the steps of:
S3a, second processing part 12 of circuit board 1 is removably fixed on second work top 22.
In the process of circuit board 1 being carried out milling processing, when circuit board 1 is removably fixed in first work top 21 or is removably fixed on second work top 22, can avoid circuit board 1 in the process of milling processing because be subjected to of the vibration of the cutter 4 of institute's clamping on the cutter head 3 of milling equipment to 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 the precision and the quality of milling processing.
Step S4 is preferably: turn off on the milling equipment cutter head 3 with the 21 corresponding settings of first work top, use on the milling equipment cutter 4 of institute's clamping on the cutter head 3 with the 22 corresponding settings of second work top, milling is carried out in second processing part 12 of circuit board 1 add man-hour, on the one hand, first processing part 11 of changing circuit board 1 again and the step of second processing part 12 have been saved; On the other hand, the workload of milling processing circuit board 1 is comparatively average share institute's clamping on the cutter head of having given on the milling equipment with the 22 corresponding settings of second work top 3 cutter 4 and with the cutter head 3 of first work top, 21 corresponding settings on the cutter 4 of institute's clamping, so on two workbench on the pairing cutter head 3 loss of cutter 4 in the milling process of institute's clamping more average, so the service life of the cutter 4 of institute's clamping also can be more of a specified duration on the pairing cutter head 3 on two workbench.
As Fig. 3 and shown in Figure 7, in the invention described above present embodiment, step S2a or step S3a specifically may further comprise the steps:
Sa1, the milling of predefined position processes at least two table top locating holes 5 on first work top 21 or 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 first processing part 11 of circuit board 1 or on 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, first processing part 11 or second processing part 12 of circuit board 1 by being socketed on pin 7, are extended on the part of table top locating hole 5 by plate locating hole 6.
The fixed structure that table top locating hole 5, plate locating hole 6 and pin 7 constitute is not only relatively simple for structure, be convenient to make, and dismounting, fitting operation is also more convenient.Cutter 4 cuttings that table top locating hole 5 is preferably institute's clamping on the cutter head 3 of milling equipment in the present embodiment form, before plate locating hole 6 is preferably and selects for use in the operation of processing circuit board in NPTH (Non Plating Through Hole, non-heavy copper hole) hole that circuit board 1 boring processes.The hole wall in NPTH hole does not have copper, is convenient to boring processing, suitable being applied to as plate locating hole 6.Three points can be determined a plane, so plate locating hole 6 is preferably three in the present embodiment.Certainly, the number of plate locating hole 6 also can be provided with three with last in the present embodiment.
In the invention described above present embodiment, second processing part 12 is symmetrical on first processing part 11 on the circuit board 1 and the circuit board 1, and/or the position of the plate locating hole 6 on first processing part 11 of circuit board 1 and the position of the plate locating hole 6 on second processing part 12 on the circuit board 1 are not symmetrical.
Because (for example: work top milling machine) all is that size dimension is identical to every milling equipment in the prior art, so the symmetrical design in second processing part 12 can be on first work top 21 and the workload of comparatively average distribution milling processing on second work top 22 on first processing part 11 on the circuit board 1 and the circuit board 1, and then make the loss of the cutter 4 on the cutter head 3 of cutter 4 and the 22 corresponding settings of second work top on the corresponding cutter heads 3 that are provided with of the work top 21 of winning comparatively average, help to prolong first work top, the 21 corresponding cutter heads 3 that are provided with and on cutter 4, and with the cutter head 3 of second work top, 22 corresponding settings and on service life of cutter 4, simultaneously, because circuit board 1 symmetric design can determine that the location of circuit board 1 is more easy so that first processing part 11 and second processing part, 12 central points are easier.
When the position of the plate locating hole 6 on first processing part 11 of circuit board 1 and the position of the plate locating hole 6 on second processing part 12 on the circuit board 1 are not symmetrical, can avoid operating personnel in the process of placing circuit board 1, 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 present embodiment, milling equipment is as Fig. 3 or milling machine shown in Figure 4, and cutter 4 is a 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 present embodiment, between step S2 and step S4, further comprising the steps of:
S2b, be higher than in flexibility that predefined position processes, position respective base hole identical with table top locating hole 5 plate numbers on the base plate as shown in Figure 78 that the material of circuit board 1 makes;
S2c, lay base plates 8, bottom plate hole is sheathed on the corresponding pin 7 in its position extends on the part of table top locating hole 5 at first work top 21 or second work top 22;
S2d, circuit board 1 is positioned on the base plate 8 on first work top 21 or second work top 22.
Because the material flexibility of base plate 8 is higher than the material of circuit board 1, base plate 8 fills up between the circuit board 1 and first work top 21 or between the circuit board 1 and second work top 22, can avoid circuit board 1 in the process of milling processing circuit board 1 splitting to occur, and then guarantee the machining accuracy and the intensity of circuit board 1 near the part of first work top 21 or second work top 22.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 present embodiment, offer at least three plate locating holes 6 on first processing part 11 of circuit board 1 and/or on second processing part 12;
And/or first work top 21 and/or second work top 22 are made for wood;
And/or base plate 8 is made for phenolic materials.
Wood had both had certain flexibility and can guarantee that first work top 21 and/or second work top 22 can not cause loss to cutter 4, have certain rigid again and can guarantee that first work top 21 and/or 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, first work top 21 and/or second work top 22 also can use other materials outside the wood in the present embodiment.
Phenolic materials is all reasonable material of a kind of fire protecting performance, flexibility, and the cutting force that is applied in the process of cutter 4 cutting circuit boards 1 suits to be applied to cushion.
As Fig. 3, Fig. 4 or shown in Figure 8, in the invention described above present embodiment, circuit board 1 is rectangular, and first work top 21 and 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 first work top 21 or second work top 22.
Rectangular first work top 21 and 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 invention provides.Usually, the milling equipment that is provided in the prior art can't be processed the circuit board 1 of size more than 20 * 20 inches, and the method for using the milling processing circuit board 1 that the embodiment of the invention provided not only can be processed the circuit board 1 of size more than 20 * 20 inches, and, can also be applied to process 24 * 24 inches backboard.
The milling equipment that the embodiment of the invention provided comprises first work top, second work top, cutter head and cutter head switching device shifter, wherein:
On first work top and on 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 corresponding setting of first work top, and use cutter that milling is carried out in first processing part of the workpiece on first work top to add man-hour, turn off on the milling equipment cutter head with the corresponding setting of second work top;
The cutter head switching device shifter, also be used for the cutter head clamping cutter of the corresponding setting of second work top, and use cutter that milling is carried out in second processing part of the workpiece on second work top to add man-hour, turn off on the milling equipment cutter head with the corresponding setting of first work top.
Because the cutter head switching device shifter in the embodiment of the invention milling equipment has been used the milling method that the invention described above embodiment provided, so there is total specified features between embodiment of the invention milling equipment and the invention described above milling method, so also can produce identical technique effect, solve identical technical problem.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, 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 all should be encompassed within 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 (15)
1. milling method is characterized in that: may further comprise the steps:
S1, circuit board is placed on first work top and adjacent second work top of milling equipment, makes first processing part of described circuit board be in described first work top;
First cutter of corresponding setting with described first work top carries out milling processing to described first processing part on S2, the described milling equipment of use;
Second cutter of corresponding setting with described second work top carries out milling processing to described second processing part on S3, the described milling equipment of use.
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 second processing part is in described 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 first work top, second work top and with the 3rd work top of described first work top and/or the described milling equipment adjacent with described second work top on, make the 3rd processing part of described circuit board be in described the 3rd work top;
The 3rd cutter of corresponding setting with described the 3rd work top carries out milling processing to described the 3rd processing part on S20, the described milling equipment of use.
4. according to claim 1 or 2 or 3 described milling methods, it is characterized in that: in this milling method, further comprising the steps of:
S2a, between described circuit board and described first work top, location structure is set; And/or,
S2b, between described circuit board and described 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. according to the arbitrary described milling method of claim 1 to 4, it is characterized in that: in this milling method, further comprising the steps of:
S2d, the supplemental support location structure is set, be used to support and/or locate described circuit board in described first, second, third work top part each other.
6. according to the arbitrary described milling method of claim 1 to 4, it is characterized in that:
By at least two table top locating holes on described first or second work top and the plate locating hole on first or second processing part at described circuit board, described circuit board is positioned on described first or second work top.
7. according to the arbitrary described milling method of claim 1 to 6, it is characterized in that:
Between first or second processing part of described first or second work top and described circuit board flexible plate is set, preferably described flexible plate is positioned on described first or second work top by the bottom plate hole that is provided with on it.
8. according to the arbitrary described milling method of claim 1 to 7, it 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.
9. according to the arbitrary described milling method of claim 1 to 8, it is characterized in that: described circuit board is set has following at least a feature:
Second processing part is symmetrical on first processing part of described circuit board and the described circuit board;
The position of the plate locating hole on the position of the plate locating hole on first processing part of described circuit board and second processing part of described circuit board is symmetrical or not symmetrical;
Offer at least three described plate locating holes on first processing part of described circuit board and/or on second processing part;
Described plate locating hole is the NPTH hole on the described circuit board.
10. according to the arbitrary described milling method of claim 1 to 9, it is characterized in that: described first work top is set and/or described second work top has following at least a feature:
Described first work top and/or described 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 first work top and described 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 first work top or described second work top.
11. a milling equipment is used to implement the arbitrary described milling method of claim 1 to 10, it is characterized in that: comprise first work top, second work top, first cutter head, second cutter head and cutter head switching device shifter, wherein:
First cutter of the described first cutter head clamping and the corresponding setting of described first work top;
Second cutter of the described second cutter head clamping and the corresponding setting of described second work top;
Described cutter head switching device shifter is used at described first cutter of the described first cutter head clamping, and uses described first cutter that milling is carried out in first processing part of the workpiece on first work top to add man-hour, turn off described second cutter head;
Described cutter head switching device shifter also is used at described second cutter of the described second cutter head clamping, and uses described second cutter that milling is carried out in second processing part of the workpiece on second work top to add man-hour, turn off described first cutter head.
12. milling equipment according to claim 11 is characterized in that: this milling equipment, also comprise sync control device, wherein:
Described sync control device, a plurality of circuit boards with identical or symmetric patterns that are used to control on a plurality of work tops that are placed on described milling equipment carry out synchronous milling, and wherein said a plurality of work tops comprise described first and second work tops.
13. according to claim 11 or 12 described milling equipment, it is characterized in that: described first work top is a rectangle, described second work top is positioned on the length direction or width of described first work top, and described the 3rd work top is positioned on the width or length direction of described first work top.
14. according to claim 11 or 12 or 13 described milling equipment, it is characterized in that: described first cutter head, described 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 first cutter, described 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.
15. according to claim 11 or 12 or 13 or 14 described milling equipment, it is characterized in that: this milling equipment also comprises circuit board adjustment positioner, wherein:
Described circuit board is adjusted positioner, be used to adjust 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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| CN 201010620341 CN102126040B (en) | 2010-12-23 | 2010-12-23 | Milling method and device |
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| CN 201010620341 CN102126040B (en) | 2010-12-23 | 2010-12-23 | Milling method and device |
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| CN102126040B CN102126040B (en) | 2013-06-26 |
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| CN113276198A (en) * | 2021-04-09 | 2021-08-20 | 宋志龙 | Cutting processing system and working method of PCB |
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| CN102126040B (en) | 2013-06-26 |
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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. |
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