CN106270603A - A kind of large scale circuit twist drill hole forming method - Google Patents

A kind of large scale circuit twist drill hole forming method Download PDF

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Publication number
CN106270603A
CN106270603A CN201610657257.3A CN201610657257A CN106270603A CN 106270603 A CN106270603 A CN 106270603A CN 201610657257 A CN201610657257 A CN 201610657257A CN 106270603 A CN106270603 A CN 106270603A
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CN
China
Prior art keywords
workbench
location
hole
reference point
circuit board
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Granted
Application number
CN201610657257.3A
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Chinese (zh)
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CN106270603B (en
Inventor
张华弟
徐宏博
郭世永
邱有珠
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Guangde Xinsanlian Electronic Co Ltd
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Guangde Xinsanlian Electronic Co Ltd
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Priority to CN201610657257.3A priority Critical patent/CN106270603B/en
Publication of CN106270603A publication Critical patent/CN106270603A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B35/00Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B41/00Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/18Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/10Devices for clamping workpieces of a particular form or made from a particular material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

The present invention relates to circuit board manufacture field, particularly relate to a kind of large scale circuit twist drill hole forming method.First hole, location and the first keeper are all separately positioned on by the first workbench on the first area of circuit board and the backing plate of the first workbench;And the second hole, location and the second keeper are all separately positioned on by the second workbench on the second area of circuit board and the backing plate of the first workbench.Avoid the instrument that arranges in hole, location and the position alignment error of inconsistent the brought circuit board of the instrument that arranges of keeper.Further, in drilling process, the first workbench and the second workbench carry out Drilling operation using same reference point as coordinate reference points, overcome inconsistent the brought mismachining tolerance of reference point that two workbench use.Improve the quality of production of circuit board, improve yield rate.

Description

A kind of large scale circuit twist drill hole forming method
Technical field
The present invention relates to circuit board manufacture field, particularly relate to a kind of large scale circuit twist drill hole forming method.
Background technology
During manufacturing circuit board, need to use rig that circuit board is carried out Drilling operation.Prior art The processing dimension of numerical controlled machinery drilling machine is generally wide 21.5 cun, length 27 cun, and maximum processing dimension also only has the widest 27 cun, length 32 Very little.Common lathe is difficult to large scale circuit board wide 27 cun, long 27-43 cun is carried out Drilling operation.
Authorization Notice No. is CN 102107290 B, and authorized announcement date is that the patent of invention of 2013 07 month 24 discloses one Plant boring method and rig.Solve prior art large scale circuit board processing technology inconvenient, that the process-cycle is longer to ask Topic.Method particularly includes: circuit board is placed on the first work top and the second adjacent work top of rig so that First processing of circuit board is partially in the first work top;Use on described rig with described first work top pair The first cutter that should arrange, carries out Drilling operation to described first processing part;Use on described rig with described second The second cutter that work top is correspondingly arranged, carries out Drilling operation to described second processing part.
The backboard of circuit board typically has that the number of plies is many, area is big, thickness is big, aspect ratio high, and backboard was producing In journey, the requirement to aspects such as pressing technology, electroplating technology, level to level alignment technology is the highest.And in skill disclosed in above-mentioned patent documentation In art scheme, circuit board is carried out Drilling operation by several times, needs circuit by repeatedly installing on the table.Circuit board is repeatedly pacified Site error between dress, can cause the position distribution of the boring on circuit board error occur.
Summary of the invention
The present invention proposes a kind of boring method that can improve large scale board production qualification rate.
A kind of large scale circuit twist drill hole forming method, for the boring machine Drilling operation to circuit board, described boring machine The workbench of cutter it is provided with, it is characterised in that include step including at least two:
Reference point is set: by described circuit board subregion so that described circuit board includes partly overlapping first area and the secondth district Territory, described first area is corresponding with the first workbench, and described second area is corresponding with the second workbench;In described first area and The overlapping region of described second area arranges reference point;
Positioning holes on circuit board is set: on described first workbench, on the basis of described reference point, at the first of described circuit board Region arranges the first hole, location;On described second workbench, on the basis of described reference point, in the secondth district of described circuit board Territory arranges the second hole, location;
Operating platform locating piece is set: arrange the first keeper and second respectively on the backing plate of the first workbench and the second workbench Keeper;The quantity of described first keeper is identical with described first hole, location with relative position distribution, described second keeper Quantity and relative position distribution identical with described second hole, location;
Drilling operation: by coordinating of described first location hole and described first keeper, described circuit board is fixed on described in On first workbench;On the basis of described reference point, described first area is carried out Drilling operation;By described second hole, location With coordinating of described second keeper, described circuit board is fixed on described second workbench;On the basis of described reference point, Described second area is carried out Drilling operation.
First hole, location and the first keeper are all separately positioned on the first area and the of circuit board by the first workbench On the backing plate of one workbench;And the second hole, location and the second keeper are all separately positioned on the of circuit board by the second workbench On the backing plate of two regions and the first workbench.The instrument that arranges of the location instrument that arranges in hole and keeper of avoiding is inconsistent to be carried The position alignment error of the circuit board come.Further, in drilling process, the first workbench and the second workbench are with same The reference point of sample carries out Drilling operation as coordinate reference points, overcomes that reference point that two workbench use is inconsistent to be brought Mismachining tolerance.Improve the quality of production of circuit board, improve yield rate.
As preferably, described reference point includes main reference point and auxiliary reference point.
As preferably, described main reference point and described auxiliary reference point are positioned on the axis of described circuit board.
As preferably, refer to described reference point position benchmark, the reference coordinate initial point of workbench and described main reference point weight Close, the first operative orientation of workbench and described main reference point and the line coincident of described auxiliary reference point.
As preferably, the second operative orientation of described first workbench and described second workbench is about the first of workbench Operative orientation is symmetrical.
As preferably, described first hole, location at least has 3, and described second hole, location at least has 3.
As preferably, described first hole, location and described second hole, location are about described main reference point and described auxiliary reference point Line be symmetrical arranged.The first hole, location and second that this mode is arranged positions hole, can reduce position error.
As preferably, the line of two of which the first keeper is parallel with the first operative orientation of described first workbench, The line of two of which the first keeper is parallel with the second operative orientation of described first workbench;Two of which the second keeper Line parallel with the first operative orientation of described second workbench, the line of two of which the second keeper and described second work Second operative orientation of station is parallel.
As preferably, the quantity in described first hole, location is 3-6, and the quantity in described second hole, location is 3-6.
As preferably, the quantity in described first hole, location is 6, and the quantity in described second hole, location is 6;Described first Hole, location includes the first main location group and the first auxiliary location group, described first main location group and described first auxiliary location group switching centre pair It is arranged in described first area with claiming;Described second hole, location includes the second main location group and the second auxiliary location group, described the Two main location groups and described second auxiliary location group switching centre are symmetrically disposed in described second area.
Accompanying drawing explanation
Fig. 1 boring machine workbench schematic diagram.
Fig. 2 first positions hole and the second hole, location and arranges schematic diagram one.
Fig. 3 the first keeper arranges schematic diagram one.
Fig. 4 the second keeper arranges schematic diagram one.
Fig. 5 first positions hole and the second hole, location and arranges schematic diagram two.
Fig. 6 the first keeper arranges schematic diagram two.
Fig. 7 the second keeper arranges schematic diagram two.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the present invention are described in detail.A kind of large scale circuit twist drill hole machined Method, for the boring machine Drilling operation to circuit board.Boring machine in the present embodiment is six axle boring machines, is provided with six chis The identical workbench of very little size 1, the processing dimension of workbench 1 is wide 21.5 cun, length 27 cun.Above each workbench 1 right Should be provided with one for the cutter head installing cutter, synchronize to carry out Drilling operation to the circuit board 2 on each workbench 1.Circuit Plate 2 has the region to be processed of rectangle, needs to carry out Drilling operation, and the size in region to be processed is wide 27 cun, length 43 cun.Permissible Find out that circuit board 2 needs the region processing dimension more than workbench 1 of processing, with this existing boring machine equipment to circuit board 2 Hole, need to process several times and just can complete.
The employing split fix of boring machine is across axle operating type: be set to by the workbench of the one of boring machine, three, five seats in the plane First workbench 11, three the first workbench 11 synchronize to perform the first drilling program and hole circuit board mounted thereto Processing.The workbench of the two of boring machine, four, six seats in the plane is set to the second workbench 12, and three the second workbench 12 synchronize to hold Row the second drilling program carries out Drilling operation to circuit board mounted thereto.
Use boring machine that the Drilling operation of circuit board includes step:
Reference point is set: be placed in pin machine by circuit board 2, uses pin machine placed in the middle in the centre position on the long limit of circuit board 2 Beat two pins as a reference point 21 for location and reference point 22.The line of reference point 21 and reference point 22 and circuit board 2 Minor face parallel.Circuit board 2 is divided into along long side direction first area 23 and the second area 24 of left and right setting.First area 23 and second area 24 overlapping at the mid portion of circuit board, form overlapping region 25.Reference point 21 and reference point 22 are positioned at weight In folded region 25 so that reference point 21 and reference point 22 are not only located in first area 23, also are located in second area 24.
Positioning holes on circuit board is set: be fixed on the first workbench 11 first area 23 of circuit board, the first workbench 11 perform the first hole, location arranges program: the zero with reference point 21 as reference frame, with reference point 21 and reference point The line of 22, as the Y direction of reference frame, arranges the first hole, location in first area 23.First hole, location is in the firstth district The distribution in territory 23 such as Fig. 2, arrange in the non-processing district region of boring (need not) of first area 23 first hole, location 231, the One hole, location 232, first positions hole 233, the first hole, location 231 and the line in the first hole 232, location and reference point 21 and reference The line of point 22 is parallel, and the first hole, location 231 and the line in the first hole 233, location hang down with the connection of reference point 21 and reference point 22 Directly.First hole 231,232,233, location the first of form right angle triangle main location group in first area 23.By circuit board Second area 24 is fixed on the second workbench 12, and the second workbench 12 performs the second hole, location and arranges program: with reference point 21 For the zero of reference frame, using the line of reference point 21 and reference point 22 as the Y direction of reference frame, Two regions 24 arrange the second hole, location.At distribution such as Fig. 2 of second area 24, (need not in the non-processing district of second area 24 The region of boring) hole 243, the 242, second location, hole, the 241, second location, the second hole, location, the second hole 241 and second, location are set The line in hole 242, location is parallel with the line of reference point 21 and reference point 22, and the second hole, location 241 and second positions hole 243 Line is vertical with the connection of reference point 21 and reference point 22.Second hole 241,242,243, location is constituted directly in second area 24 Second main location group of angle triangle.First location group and the second location group are preferably about reference point 21 and the line of reference point 22 Symmetrical.
Operating platform locating piece is set: the first workbench 11 performs the first same hole, location and arranges program, in the first work Drilling bore hole pin being squeezed in backing plate as the first keeper on the backing plate of platform.Such as Fig. 3, the number of the first keeper on backing plate Amount is identical with the quantity in the first hole, location, and, first keeper 111,112,113 relative position distribution on backing plate and the The relative position distribution in the first hole 231,232,233, location on one region 23 is identical.Second workbench 12 performs equally Second location hole program is set, on the backing plate of the second workbench drilling bore hole and pin is squeezed in backing plate as second location Part.Such as Fig. 3, the quantity of the second keeper on backing plate is identical with the quantity in the second hole, location, and, the second keeper 121, 122,123 relative position distribution on backing plate position the relative position in hole 231,232,233 with second on second area 24 It is distributed identical.When the first location group and the second location group about the line of reference point 21 and reference point 22 symmetrical time, Corresponding use same hole, location to arrange the first keeper that program arranges and the second keeper on respective workbench point Cloth is also corresponding symmetrical, such as Fig. 3.
Drilling operation: by coordinating the first location hole and the first keeper: position hole 231 by first and be nested into first Position hole 232 on keeper 111, by first to be nested on the first keeper 112, the first hole 233, location is nested into first calmly On the part 113 of position.Circuit board 2 is fixed on the first workbench 11, and makes first area 23 be in the first workbench 11 The range of work in.First workbench performs the first drilling program, the zero with reference point 21 as reference frame, with ginseng The line of examination point 21 and reference point 22 is Y direction, and first area 23 is carried out Drilling operation.After completion of processing, by circuit Plate 2 takes off from the first workbench 11, and is extracted from backing plate by pin.By coordinating of the second location hole and the second keeper: Second hole 241, location is nested on the second keeper 121, the second hole 242, location is nested on the second keeper 122, will Second hole 243, location is nested on the second keeper 123.Circuit board 2 is fixed on the second workbench 12, and makes Two regions 24 are in the range of work of the second workbench 12.Second workbench performs the second drilling program, with reference point 21 is The zero of reference frame, with the line of reference point 21 and reference point 22 as Y direction, holes to second area 24 Processing.After completion of processing, circuit board 2 is gone from the second workbench 12, and pin is extracted from backing plate.When the first location Group and the second location group about the line of reference point 21 and reference point 22 symmetrical time, correspondingly set up on the basis of reference point First workbench of reference frame and the X-direction of the second workbench are symmetrical about respective Y direction.
It addition, as Fig. 4,5: can first area 23 arrange include position hole 234,235,236 the first auxiliary location group, First auxiliary location group and the first main location group are about the centrosymmetry of first area 23.It is provided with on the backing plate of the first workbench 11 Three first with the first auxiliary location group position hole the first keepers 114,115 and 116 one to one respectively.Same, can To arrange the second auxiliary location group including positioning hole 244,245,246 at second area 24, the second auxiliary location group is main with second fixed Hyte is about the centrosymmetry of second area 24.Be provided with on the backing plate of the second workbench 12 respectively with the three of the second auxiliary location group Individual second hole, location the second keeper 124,125 and 126 one to one.
Although being described in conjunction with the accompanying embodiments of the present invention, but those of ordinary skill in the art can be in appended power Profit makes various deformation or amendment in the range of requiring.

Claims (10)

1. a large scale circuit twist drill hole forming method, for the boring machine Drilling operation to circuit board, described boring machine bag Include at least two and be provided with the workbench of cutter, it is characterised in that include step:
Reference point is set: by described circuit board subregion so that described circuit board includes partly overlapping first area and the secondth district Territory, described first area is corresponding with the first workbench, and described second area is corresponding with the second workbench;In described first area and The overlapping region of described second area arranges reference point;
Positioning holes on circuit board is set: on described first workbench, on the basis of described reference point, at the first of described circuit board Region arranges the first hole, location;On described second workbench, on the basis of described reference point, in the secondth district of described circuit board Territory arranges the second hole, location;
Operating platform locating piece is set: arrange the first keeper and second respectively on the backing plate of the first workbench and the second workbench Keeper;The quantity of described first keeper is identical with described first hole, location with relative position distribution, described second keeper Quantity and relative position distribution identical with described second hole, location;
Drilling operation: by coordinating of described first location hole and described first keeper, described circuit board is fixed on described in On first workbench;On the basis of described reference point, described first area is carried out Drilling operation;By described second hole, location With coordinating of described second keeper, described circuit board is fixed on described second workbench;On the basis of described reference point, Described second area is carried out Drilling operation.
A kind of large scale circuit twist drill hole forming method the most according to claim 1, it is characterised in that: described reference point bag Include main reference point and auxiliary reference point.
A kind of large scale circuit twist drill hole forming method the most according to claim 2, it is characterised in that: described main reference point It is positioned on the axis of described circuit board with described auxiliary reference point.
A kind of large scale circuit twist drill hole forming method the most according to claim 2, it is characterised in that: with described reference point On the basis of refer to, the reference coordinate initial point of workbench overlaps with described main reference point, and the first operative orientation of workbench is with described Main reference point and the line coincident of described auxiliary reference point.
A kind of large scale circuit twist drill hole forming method the most according to claim 4, it is characterised in that: described first work Second operative orientation of platform and described second workbench is symmetrical about the first operative orientation of workbench.
A kind of large scale circuit twist drill hole forming method the most according to claim 2, it is characterised in that: described first location Hole at least has 3, and described second hole, location at least has 3.
A kind of large scale circuit twist drill hole forming method the most according to claim 6, it is characterised in that: described first location Hole and described second hole, location are symmetrical arranged about the line of described main reference point and described auxiliary reference point.
A kind of large scale circuit twist drill hole forming method the most according to claim 6, it is characterised in that: two of which first The line of keeper is parallel with the first operative orientation of described first workbench, and the line of two of which the first keeper is with described Second operative orientation of the first workbench is parallel;The line of two of which the second keeper and the first work of described second workbench Making direction parallel, the line of two of which the second keeper is parallel with the second operative orientation of described second workbench.
A kind of large scale circuit twist drill hole forming method the most according to claim 6, it is characterised in that: described first location The quantity in hole is 3-6, and the quantity in described second hole, location is 3-6.
A kind of large scale circuit twist drill hole forming method the most according to claim 9, it is characterised in that: described first is fixed The quantity in hole, position is 6, and the quantity in described second hole, location is 6;Described first hole, location includes the first main location group and the One auxiliary location group, described first main location group and described first auxiliary location group switching centre are symmetrically disposed in described first area; Described second hole, location includes the second main location group and the second auxiliary location group, described second main location group and described second auxiliary location Group switching centre is symmetrically disposed in described second area.
CN201610657257.3A 2016-08-12 2016-08-12 A kind of large scale circuit boring processing method Active CN106270603B (en)

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CN106270603B CN106270603B (en) 2019-08-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114535645A (en) * 2022-03-22 2022-05-27 上海橙瓴自动化有限公司 Method for realizing super-large area machining by using multi-axis printed circuit board drilling machine tool

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Publication number Priority date Publication date Assignee Title
JP2000218416A (en) * 1999-01-29 2000-08-08 Canon Inc Boring method and device for printed circuit board
US20020146294A1 (en) * 2001-04-06 2002-10-10 Excellon Automation Co. Expandable tooling plate for printed circuit board panel drilling machines
CN101947659A (en) * 2010-08-31 2011-01-19 广州杰赛科技股份有限公司 Method for transverse shaft-crossing drilling of drilling machine
CN102107290A (en) * 2010-12-23 2011-06-29 北大方正集团有限公司 Drilling method and drilling equipment
CN104476611A (en) * 2014-12-03 2015-04-01 深圳崇达多层线路板有限公司 Regional drilling method for large-size back plate
CN104869764A (en) * 2015-05-15 2015-08-26 江门崇达电路技术有限公司 Method for manufacturing large-size precise circuit board

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000218416A (en) * 1999-01-29 2000-08-08 Canon Inc Boring method and device for printed circuit board
US20020146294A1 (en) * 2001-04-06 2002-10-10 Excellon Automation Co. Expandable tooling plate for printed circuit board panel drilling machines
CN101947659A (en) * 2010-08-31 2011-01-19 广州杰赛科技股份有限公司 Method for transverse shaft-crossing drilling of drilling machine
CN102107290A (en) * 2010-12-23 2011-06-29 北大方正集团有限公司 Drilling method and drilling equipment
CN104476611A (en) * 2014-12-03 2015-04-01 深圳崇达多层线路板有限公司 Regional drilling method for large-size back plate
CN104869764A (en) * 2015-05-15 2015-08-26 江门崇达电路技术有限公司 Method for manufacturing large-size precise circuit board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114535645A (en) * 2022-03-22 2022-05-27 上海橙瓴自动化有限公司 Method for realizing super-large area machining by using multi-axis printed circuit board drilling machine tool

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