CN113099602A - Method for optimizing number of holes of air guide plate - Google Patents
Method for optimizing number of holes of air guide plate Download PDFInfo
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- CN113099602A CN113099602A CN202110255022.2A CN202110255022A CN113099602A CN 113099602 A CN113099602 A CN 113099602A CN 202110255022 A CN202110255022 A CN 202110255022A CN 113099602 A CN113099602 A CN 113099602A
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- holes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
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- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention provides a method for optimizing the number of holes of an air guide plate. The method for optimizing the number of the holes of the air guide plate comprises the following steps: s1: the whole PCB is covered by 3.0mm holes at intervals of 2.12 mm; s2: making holes corresponding to holes to be plugged in a laminate with the thickness of 2.0mm as an auxiliary layer; s3: with the disajoint method, the 3.0mm hole that does not intersect the 2.0mm hole is removed, and the remaining 3.0mm hole is the hole that needs to be drilled for the air guide plate. According to the method for optimizing the number of the holes of the air guide plate, the newly designed air guide plate is drilled with holes arranged at a certain interval by 3.0mm, so that the number of the holes can be effectively reduced; by the method, the production efficiency is greatly improved, and the cost is reduced.
Description
Technical Field
The invention relates to the technical field of air guide plates, in particular to a method for optimizing the number of holes of an air guide plate.
Background
In the manufacturing process of the PCB, in order to realize the electric performance of the conduction of the inner layer and the outer layer of the PCB, a mechanical drilling mode is usually adopted to penetrate through a PCB substrate, and then a hole wall dielectric layer is conducted in a metallization (copper deposition and copper plating) mode to realize the electric performance; in order to ensure the long-term stability of the electrical performance and the signal property (which refers to the long-term stability and reliability of the product quality and is collectively called the signal property) of the PCB product, the process technology is implemented aiming at the Via (Via) hole, and the filling operation of the Via hole is realized by solder resist ink or resin ink so as to completely block the Via hole, so that the Via hole cannot store the medicinal water and absorb the moisture to influence the hole wall quality. Therefore, in order to meet the requirements of the hole plugging, a special hole plugging machine and a gas guide plate are needed during the hole plugging operation of silk-screen printing.
The existing air guide plate uniformly uses holes with the diameter of 2.0mm drilled in the plate, which correspond to holes to be plugged, the holes are densely distributed (the center distance of 80% of the holes is less than 1.0mm), so that the overlapping phenomenon of the holes of the air guide plate manufactured by enlarging to 2.0mm is serious, the phenomenon of needle breakage is easy to occur when the air guide plate is drilled, the number of the holes is large, the time is long, and the flow rate of the product is seriously influenced.
Therefore, there is a need to provide a new method for optimizing the number of holes of the air guide plate to solve the above-mentioned technical problems.
Disclosure of Invention
The invention aims to provide a method for optimizing the hole number of the air guide plate, which can effectively reduce the hole number, greatly improve the production efficiency and reduce the cost.
In order to solve the technical problem, the method for optimizing the number of the holes of the air guide plate provided by the invention comprises the following steps:
s1: the whole PCB is covered by 3.0mm holes at intervals of 2.12 mm;
s2: making holes corresponding to holes to be plugged in a laminate with the thickness of 2.0mm as an auxiliary layer;
s3: with the disajoint method, the 3.0mm hole that does not intersect the 2.0mm hole is removed, and the remaining 3.0mm hole is the hole that needs to be drilled for the air guide plate.
Preferably, in step S1, the entire PCB is covered with 3.0mm holes at 2.12mm intervals, which is noted to exceed the profile by 3.0 mm.
Preferably, when the holes are densely plugged in the step S3, the number of holes can be reduced by 30-50%.
Preferably, in step S1, the PCB is fixed by a fixing device to be punched.
Preferably, the fixing device comprises a base, a through groove is formed in the top side of the base, openings are formed in two sides of the through groove, an installation table is fixedly installed on the bottom side of the base, a motor is fixedly installed on the top side of the installation table, a rotating shaft is installed on an output shaft of the motor, two sections of external threads are symmetrically formed in the rotating shaft, the rotating directions of the external threads are opposite, a sliding block is sleeved on the external threads in a threaded manner, a support is fixedly installed on the top side of the sliding block, an air cylinder is installed on the support, a pressure head is installed on the output shaft of the air cylinder, a limiting groove is formed in the inner wall of the bottom side of the through groove, a limiting block is fixedly installed on the bottom side of the sliding block, the limiting block is connected with the limiting groove.
Preferably, a fixing rod is fixedly installed in the limiting groove, and the fixing rod is in sliding sleeve joint with the limiting block.
Preferably, a rubber pad is arranged on the bottom side of the pressure head.
Preferably, four rotating support devices are fixedly mounted on the inner wall of the bottom side of the through groove, the four rotating support devices are rotatably sleeved with the rotating shaft, and the four rotating support devices are respectively located at the starting ends of the two sections of external threads.
Preferably, the rotary supporting device comprises a supporting plate, a bearing is mounted on the supporting plate, and an inner ring of the bearing is fixedly sleeved with the rotating shaft.
Preferably, the placing table comprises a bottom plate, the bottom plate is fixedly installed on the top side of the base, a middle layer is fixedly installed on the top side of the bottom plate, a cooling cavity is formed in the middle layer, cold water is filled in the cooling cavity, a heat absorbing plate is installed on the top side of the middle layer, a top plate is installed on the top side of the heat absorbing plate, a plurality of communicating holes are formed in the inner wall of the top side of the cooling cavity, a plurality of heat conducting rods are fixedly installed on the bottom side of the heat absorbing plate, and the heat conducting rods penetrate through the communicating holes and extend into the cooling cavity.
Compared with the related art, the method for optimizing the number of the holes of the air guide plate has the following beneficial effects:
the invention provides a method for optimizing the number of holes of an air guide plate, which is characterized in that holes arranged at a certain interval (the distance between the centers of the holes is 2.12mm) are drilled by a newly designed air guide plate with the thickness of 3.0mm, so that the number of the holes can be effectively reduced; by the method, the production efficiency is greatly improved, and the cost is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the method for optimizing the number of holes of an air guide plate according to the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the method for optimizing the number of holes of an air guide plate according to the present invention;
FIG. 3 is a schematic view of the rotary support apparatus shown in FIG. 1;
FIG. 4 is a schematic top view of the base shown in FIG. 1;
fig. 5 is a schematic structural view of the placement stage shown in fig. 1.
Reference numbers in the figures: 1. the base, 2, logical groove, 3, mount table, 4, motor, 5, pivot, 6, slider, 7, support, 8, cylinder, 9, pressure head, 10, rubber pad, 11, place the platform, 12, spacing groove, 13, dead lever, 14, stopper, 15, rotation strutting arrangement, 16, backup pad, 17, bearing, 18, bottom plate, 19, intermediate level, 20, absorber plate, 21, roof, 22, cooling chamber, 23, intercommunicating pore, 24, heat conduction stick.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
The first embodiment:
referring to fig. 1, in a first embodiment of the present invention, a method for optimizing the number of holes of an air guide plate includes the following steps:
s1: the whole PCB is covered by 3.0mm holes at intervals of 2.12 mm;
s2: making holes corresponding to holes to be plugged in a laminate with the thickness of 2.0mm as an auxiliary layer;
s3: with the discrete method, the 3.0mm hole that does not intersect the 2.0mm hole is removed, and the remaining 3.0mm hole is the hole that needs to be drilled for the gas guide plate.
In step S1, holes of 3.0mm are used to fill the entire PCB at intervals of 2.12mm, taking care that the distance exceeds profile3.0 mm.
When the holes are densely plugged in the step S3, the number of holes can be reduced by 30-50%.
This method cannot be used when the holes to be plugged are not dense, i.e., the number of holes required for this method is greater than the number of holes to be plugged.
The working principle of the method for optimizing the hole number of the air guide plate provided by the invention is as follows:
optimizing the arrangement mode of the drill pins: the original arrangement mode that the center distance between irregular holes is generally less than 1.0mm (namely the arrangement mode of original manuscript hole plugging) is changed into the arrangement mode that the center distance between regular holes is 2.12mm, and the mode of automatically making data is realized.
Compared with the related art, the method for optimizing the number of the holes of the air guide plate has the following beneficial effects:
the invention provides a method for optimizing the number of holes of an air guide plate, which is characterized in that holes arranged at a certain interval (the distance between the centers of the holes is 2.12mm) are drilled by a newly designed air guide plate with the thickness of 3.0mm, so that the number of the holes can be effectively reduced; by the method, the production efficiency is greatly improved, and the cost is reduced.
Second embodiment:
based on the method for optimizing the number of the holes of the air guide plate provided by the first embodiment of the application, the second embodiment of the application provides another method for optimizing the number of the holes of the air guide plate. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
The second embodiment of the present invention will be further described with reference to the drawings and the following description.
Referring to fig. 2 to 5, the present embodiment is different from the first embodiment in that in step S1, the PCB is fixed by a fixing device for punching.
The fixing device comprises a base 1, a through groove 2 is arranged on the top side of the base 1, openings are arranged on two sides of the through groove 2, the bottom side of the base 1 is fixedly provided with an installation platform 3, the top side of the installation platform 3 is fixedly provided with a motor 4, a rotating shaft 5 is arranged on an output shaft of the motor 4, two sections of external threads are symmetrically arranged on the rotating shaft 5, the rotating directions of the two sections of external threads are opposite, the external thread is sleeved with a sliding block 6 in a threaded manner, the top side of the sliding block 6 is fixedly provided with a bracket 7, the support 7 is provided with an air cylinder 8, an output shaft of the air cylinder 8 is provided with a pressure head 9, the inner wall of the bottom side of the through groove 2 is provided with a limit groove 12, a limit block 14 is fixedly arranged at the bottom side of the slide block 6, the limit block 14 is connected with the limit groove 12 in a sliding way, a placing table 11 is fixedly installed on the top side of the base 1, and the placing table 11 is located between the two sliding blocks 6.
A fixed rod 13 is fixedly arranged in the limit groove 12, and the fixed rod 13 is in sliding sleeve connection with the limit block 14.
A rubber pad 10 is mounted on the bottom side of the pressure head 9.
Four rotating supporting devices 15 are fixedly mounted on the inner wall of the bottom side of the through groove 2, the four rotating supporting devices 15 are rotatably sleeved with the rotating shaft 5, and the four rotating supporting devices are respectively located at the starting ends of the two sections of external threads.
The rotary supporting device comprises a supporting plate 16, a bearing 17 is mounted on the supporting plate 16, and an inner ring of the bearing 17 is fixedly sleeved with the rotating shaft.
The placing table 11 comprises a bottom plate 18, the bottom plate 18 is fixedly installed on the top side of the base 1, a middle layer 19 is fixedly installed on the top side of the bottom plate 18, a cooling cavity 22 is formed in the middle layer 19, cold water is filled in the cooling cavity 22, a heat absorbing plate 20 is installed on the top side of the middle layer 19, a top plate 21 is installed on the top side of the heat absorbing plate 20, a plurality of communicating holes 23 are formed in the inner wall of the top side of the cooling cavity 22, a plurality of heat conducting rods 24 are fixedly installed on the bottom side of the heat absorbing plate 20, and the heat conducting rods 24 penetrate through the communicating holes 23 and extend into the cooling cavity 22.
When needs carry out the centre gripping fixed to the board, put the board at the top side of placing platform 11, starter motor 4, motor 4's output shaft drives pivot 5 and rotates, pivot 5 cup joints for the screw thread with slider 6, when pivot 5 rotates, two sliders 6 remove to the direction that is close to each other, slider 6 drives support 7 and removes, support 7 drives cylinder 8 and removes, when cylinder 8 removes to placing platform 11 top, start cylinder 8, cylinder 8's output shaft drives pressure head 9 and moves down and push down the board, because absorber plate 20, heat conduction stick 24 and cooling chamber 22's effect during drilling, heat when effectively reducing the drilling of PCB board, thereby improve the drilling course of treatment, the life of drill bit and PCB board is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A method for optimizing the number of holes of an air guide plate is characterized by comprising the following steps:
s1: the whole PCB is covered by 3.0mm holes at intervals of 2.12 mm;
s2: making holes corresponding to holes to be plugged in a laminate with the thickness of 2.0mm as an auxiliary layer;
s3: with the disajoint method, the 3.0mm hole that does not intersect the 2.0mm hole is removed, and the remaining 3.0mm hole is the hole that needs to be drilled for the air guide plate.
2. The method for optimizing the hole count of the air guide plate as claimed in claim 1, wherein the holes of 3.0mm are distributed over the entire PCB at a distance of 2.12mm in step S1, taking care to exceed the profile by 3.0 mm.
3. The method for optimizing the hole count of the air guide plate according to claim 1, wherein the hole count is reduced by 30-50% when the holes are densely plugged in step S3.
4. The method for optimizing the hole count of the air guide plate according to claim 1, wherein the step S1 is performed by fixing the PCB with a fixing device.
5. The method for optimizing the hole number of the air guide plate according to claim 4, wherein the fixing device comprises a base, a through groove is formed in the top side of the base, openings are formed in two sides of the through groove, an installation table is fixedly installed on the bottom side of the base, a motor is fixedly installed on the top side of the installation table, a rotating shaft is installed on an output shaft of the motor, two sections of external threads are symmetrically formed in the rotating shaft, the rotating directions of the two sections of external threads are opposite, a sliding block is sleeved on the external threads in a threaded manner, a support is fixedly installed on the top side of the sliding block, an air cylinder is installed on the support, a pressure head is installed on the output shaft of the air cylinder, a limiting groove is formed in the inner wall of the bottom side of the through groove, a limiting block is fixedly installed on the bottom side of the, the placing table is positioned between the two sliding blocks.
6. The method for optimizing the hole number of the air guide plate as claimed in claim 5, wherein a fixing rod is fixedly installed in the limiting groove, and the fixing rod is slidably sleeved with the limiting block.
7. The method for optimizing the hole count of the air guide plate according to claim 5, wherein a rubber pad is mounted on the bottom side of the pressure head.
8. The method for optimizing the hole number of the air guide plate according to claim 5, wherein four rotary supporting devices are fixedly mounted on the inner wall of the bottom side of the through groove, the four rotary supporting devices are rotatably sleeved with the rotating shaft, and the four rotary supporting devices are respectively positioned at the starting ends of the two sections of external threads.
9. The method for optimizing the hole number of the air guide plate according to claim 8, wherein the rotary supporting device comprises a supporting plate, a bearing is mounted on the supporting plate, and an inner ring of the bearing is fixedly sleeved with the rotating shaft.
10. The method for optimizing the hole number of the air guide plate according to claim 5, wherein the placing table comprises a bottom plate, the bottom plate is fixedly installed on the top side of the base, an intermediate layer is fixedly installed on the top side of the bottom plate, a cooling cavity is formed in the intermediate layer, cold water is filled in the cooling cavity, a heat absorbing plate is installed on the top side of the intermediate layer, a top plate is installed on the top side of the heat absorbing plate, a plurality of communication holes are formed in the inner wall of the top side of the cooling cavity, a plurality of heat conducting rods are fixedly installed on the bottom side of the heat absorbing plate, and the heat conducting rods penetrate through the communication holes and extend into the cooling cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110255022.2A CN113099602B (en) | 2021-03-09 | 2021-03-09 | Method for optimizing number of holes of air guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110255022.2A CN113099602B (en) | 2021-03-09 | 2021-03-09 | Method for optimizing number of holes of air guide plate |
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| CN113099602A true CN113099602A (en) | 2021-07-09 |
| CN113099602B CN113099602B (en) | 2022-07-12 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030173947A1 (en) * | 2002-03-13 | 2003-09-18 | Chung See Fook | Printed circuit board test fixture |
| CN101494957A (en) * | 2008-01-23 | 2009-07-29 | 富葵精密组件(深圳)有限公司 | Method and substrate for producing multi-layer circuit board |
| CN106255328A (en) * | 2016-08-29 | 2016-12-21 | 胜宏科技（惠州）股份有限公司 | A kind of aeroscopic plate manufacture method containing gas port close quarters |
| CN208353724U (en) * | 2018-06-29 | 2019-01-08 | 广州兴森快捷电路科技有限公司 | Consent aeroscopic plate |
| CN110933853A (en) * | 2019-12-17 | 2020-03-27 | 景旺电子科技(龙川)有限公司 | High dense hole circuit board consent backing plate |
-
2021
- 2021-03-09 CN CN202110255022.2A patent/CN113099602B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030173947A1 (en) * | 2002-03-13 | 2003-09-18 | Chung See Fook | Printed circuit board test fixture |
| CN101494957A (en) * | 2008-01-23 | 2009-07-29 | 富葵精密组件(深圳)有限公司 | Method and substrate for producing multi-layer circuit board |
| CN106255328A (en) * | 2016-08-29 | 2016-12-21 | 胜宏科技（惠州）股份有限公司 | A kind of aeroscopic plate manufacture method containing gas port close quarters |
| CN208353724U (en) * | 2018-06-29 | 2019-01-08 | 广州兴森快捷电路科技有限公司 | Consent aeroscopic plate |
| CN110933853A (en) * | 2019-12-17 | 2020-03-27 | 景旺电子科技(龙川)有限公司 | High dense hole circuit board consent backing plate |
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| CN113099602B (en) | 2022-07-12 |
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