CN107613655B - PCB drilling machine and drilling method thereof - Google Patents
PCB drilling machine and drilling method thereof Download PDFInfo
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- CN107613655B CN107613655B CN201711051593.4A CN201711051593A CN107613655B CN 107613655 B CN107613655 B CN 107613655B CN 201711051593 A CN201711051593 A CN 201711051593A CN 107613655 B CN107613655 B CN 107613655B
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Abstract
The invention relates to a PCB drilling machine and a drilling method thereof.A positioning line is arranged on a machine table of the drilling machine; observing through the transparent positioning part to ensure that the edge of the backing plate is superposed with the positioning line; after the position is checked, placing and fixing a PCB on the backing plate; placing and fixing a cover plate on the PCB; starting a PCB drilling machine to perform a drilling process; withdrawing the cutter after the drilling process is finished; removing glue from the PCB after drilling; after the glue is removed, performing decontamination and copper deposition on the PCB; and electroplating the PCB after the decontamination and copper deposition are finished. According to the invention, through a simple structural design, the PCB can be drilled in multiple directions, the plate is fixed, the position of the drilled hole is ensured to be accurate and not to be displaced, cold air is blown in through the vent hole, not only can powder scraps be discharged in time, but also the temperature of the drill point can be reduced, the drilling process is reasonable in design, the drilling quality is improved through multiple processes, and the drilled hole of the produced PCB is good in quality and simple in process.
Description
Technical Field
The invention relates to the field of PCB drilling, in particular to a PCB drilling machine and a drilling method thereof.
Background
Pcb (printed Circuit board), which is called printed Circuit board in chinese, is an important electronic component, is a support for electronic components, and is a carrier for electrical connection of electronic components.
With the development of electronic products being advanced day by day, the requirements on the PCB board are higher and higher, the requirements on the drilling of the PCB board are higher and higher, the improper operation and flow in the drilling process of the PCB can cause the drilling to generate scratches, the drilling position is inaccurate, the edge of the drilling generates burrs and other problems, and the problems can cause the drilling quality to be low and can not meet the use requirements. Therefore, those skilled in the art are working to develop a PCB drilling method with good comprehensiveness and high cost performance.
Disclosure of Invention
In order to realize the purpose, the invention adopts the following technical scheme: a PCB drilling machine and a drilling method thereof comprise: the device comprises a machine table, a first guide rail and a second guide rail, wherein the two ends of the machine table are respectively provided with a moving guide rail; the longitudinal moving device comprises two moving columns, and the moving columns are connected with the moving guide rail in a sliding manner; the transverse moving device comprises a sliding rod, two ends of the sliding rod are respectively and fixedly connected with the top ends of the two moving columns, a sliding block is arranged on the sliding rod and is connected with the sliding rod in a sliding mode, and a drill point is arranged at the bottom end of the sliding block; the constant head tank, the board is equipped with the constant head tank, the constant head tank is including fixed wall and removal wall, fixed wall includes the fixed wall of first fixed wall and second, be equipped with a plurality of ventilation hole on the first fixed wall, be equipped with a plurality of escape orifice on the fixed wall of second, it has two to remove the wall, remove the wall both ends respectively sliding connection in the fixed wall of first fixed wall and second.
The working principle of the invention is as follows: the device comprises a machine table, wherein two ends of the machine table are respectively provided with a movable guide rail; the longitudinal moving device comprises two moving columns, and the moving columns are connected with the moving guide rail in a sliding manner; the transverse moving device comprises a sliding rod, two ends of the sliding rod are respectively and fixedly connected with the top ends of the two moving columns, a sliding block is arranged on the sliding rod and is connected with the sliding rod in a sliding mode, and a drill point is arranged at the bottom end of the sliding block; the constant head tank, the board is equipped with the constant head tank, the constant head tank is including fixed wall and removal wall, fixed wall includes the fixed wall of first fixed wall and second, be equipped with a plurality of ventilation hole on the first fixed wall, be equipped with a plurality of escape orifice on the fixed wall of second, it has two to remove the wall, remove the wall both ends respectively sliding connection in the fixed wall of first fixed wall and second.
The drill point can freely move longitudinally to drill the PCB through the longitudinal displacement of the moving column on the moving guide rail, and can freely move transversely to drill the PCB through the transverse displacement of the sliding block on the sliding rod, and the drill point can drill the PCB in multiple directions without moving the PCB under the mutual cooperation; setting the distance between the first fixing wall and the second fixing wall to be equal to the width of the PCB, placing the PCB in the positioning groove, adjusting the position of the movable wall to be tightly attached to the edge of the PCB and fixing the movable wall, and ensuring that a hole is not deviated due to vibration in the drilling process; be equipped with a plurality of ventilation hole on the first fixed wall, the ventilation hole is connected with the air-cooler, starts the air-cooler and bloies through the ventilation hole at drilling process, in time discharges away the bits hole from the chip removal to the cuttings dust that produces among the drilling process, and cold wind cools down the drill bit simultaneously, improves drilling quality.
Furthermore, a base plate is fixedly connected to the surface of the positioning groove.
The PCB board that will wait to bore stacks on the phenolic resin backing plate, avoids direct contact board to lead to when drilling the PCB board, and the quality of burr, protection drill point and assurance base plate under the drilling produces when avoiding direct contact board.
Furthermore, the side surface of the base plate is fixedly connected with a positioning part.
The backing plate is fixed by the positioning part arranged around the periphery of the backing plate, and the backing plate is fixed by the nail tip nailed into the positioning part.
Further, the positioning portion is made of a transparent material.
The backing plate needs to be aligned with the drawn line on the machine table when being fixed, the transparent positioning part can visually observe the drawn line under the backing plate, and the backing plate does not need to be lifted to be aligned with the drawn line.
Further, the drill point is detachably connected to the sliding block.
The PCB board drilling has the drilling of different grade type and not big or small requirement, needs different drill points to drill, can satisfy the requirement of most drilling through the drill point of tearing open the sliding block of trading.
The invention also provides a PCB drilling machine and a drilling method thereof, comprising the following steps:
s1: a positioning line is arranged on a positioning groove on a machine table of the drilling machine;
s2: observing through a transparent positioning part to enable the edge of the base plate to coincide with a positioning line;
s3: after the position is checked, placing and fixing a PCB on the backing plate;
s4: placing and fixing a cover plate on the PCB;
s5: moving the movable wall, adjusting to a proper position and fixing;
s6: starting an air cooler, and introducing cold air into the vent hole in the positioning groove;
s7: starting a PCB drilling machine to perform a drilling process;
s78: withdrawing the cutter after the drilling process is finished;
s9: removing glue from the PCB after drilling;
s10: after the glue is removed, performing decontamination and copper deposition on the PCB;
s11: and electroplating the PCB after the decontamination and copper deposition are finished.
Visually observing and aligning the liner plate and the line drawing on the machine table through the transparent positioning part, placing the PCB to be drilled on the liner plate after the liner plate is fixed, fixing the PCB, then placing the cover plate on the liner plate to form a superposed body, adjusting the position of the movable wall, fixing the plate, opening an air cooler to blow through the air vent, and starting drilling; and after drilling is finished, the glue scraps remained on the plate are left in the hole, after the glue scraps are removed, decontamination and copper deposition are carried out, and finally electroplating is carried out to thicken the copper on the copper surface, so that the drilling quality is ensured.
Further, the lower surface of the cap plate is coated with an adhesive in step S4.
The adhesive can be coated on the lower surface of the cover plate by UV oil, the UV oil has certain weak adhesiveness, can adhere to the PCB to avoid displacement during drilling, and meanwhile, a drill bit generates high temperature in the drilling process, the UV oil is melted and attached to the drill bit, so that the lubrication degree of the drill bit is increased, and powder generated during drilling is adhered away, so that the drilling quality is better.
The invention has the beneficial effects that: according to the invention, through a simple structural design, the PCB can be drilled in multiple directions, the plate is fixed, the position of the drilled hole is ensured to be accurate and not to be displaced, cold air is blown in through the vent hole, not only can powder scraps be discharged in time, but also the temperature of the drill point can be reduced, the drilling process is reasonable in design, the drilling quality is improved through multiple processes, and the drilled hole of the produced PCB is good in quality and simple in process.
Drawings
The figures further illustrate the invention, but the examples in the figures do not constitute any limitation of the invention.
Fig. 1 is a schematic view of a PCB drilling machine according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1, an embodiment of the present invention provides a PCB drilling machine and a drilling method thereof.
In one embodiment, the device comprises a machine table 1, wherein two ends of the machine table 1 are respectively provided with a movable guide rail 2; the longitudinal moving device comprises two moving columns 31, and the moving columns 31 are connected with the moving guide rail 2 in a sliding manner; the transverse moving device comprises a sliding rod 32, two ends of the sliding rod 32 are respectively and fixedly connected with the top ends of the two moving columns 31, a sliding block 33 is arranged on the sliding rod 32, the sliding block 33 is connected with the sliding rod 32 in a sliding mode, and a drill point 34 is arranged at the bottom end of the sliding block 33; the constant head tank, board 1 is equipped with the constant head tank, the constant head tank includes fixed wall and removal wall 13, the fixed wall includes first fixed wall 11 and second fixed wall 12, be equipped with a plurality of ventilation hole 111 on the first fixed wall 11, be equipped with a plurality of chip removal hole 121 on the second fixed wall 12, it has two to remove wall 13, remove wall 13 both ends respectively sliding connection in first fixed wall 11 and second fixed wall 12.
The drill point 34 can freely move longitudinally to drill the PCB through the longitudinal displacement of the movable column 31 on the movable guide rail 2, and the drill point 34 can freely move transversely to drill the PCB through the transverse displacement of the sliding block 33 on the sliding rod 32, so that the PCB can be drilled in multiple directions without moving the PCB under the mutual cooperation; setting the distance between the first fixed wall 11 and the second fixed wall 12 to be equal to the width of the PCB, placing the PCB in the positioning groove, adjusting the position of the movable wall 13 to be tightly attached to the edge of the PCB and fixing the PCB, and ensuring that the hole deviation cannot be caused by vibration in the drilling process; be equipped with a plurality of ventilation hole 111 on the first fixed wall 11, ventilation hole 111 is connected with the air-cooler, starts the air-cooler and bloies through ventilation hole 111 at drilling process, in time discharges away chip removal hole 121 the cuttings that produce among the drilling process, and cold wind is cooled down the drill bit simultaneously, improves drilling quality.
In one embodiment, a backing plate 4 is fixedly connected to the surface of the positioning groove.
The PCB to be drilled is stacked on the phenolic resin backing plate 4, and when the drilling needle 34 drills through the PCB during drilling, the drilling needle is prevented from directly contacting the machine table 1 to cause burr generation during drilling, the drilling needle 34 is protected, and the quality of the base plate is ensured.
Further, a positioning part is fixedly connected to the side surface of the backing plate 4.
The backing plate 4 is fixed by a positioning part arranged around the periphery of the backing plate 4, and the backing plate 4 is fixed by the nail tip nailed into the positioning part.
In one embodiment, the positioning portion is made of a transparent material.
When the base plate 4 is fixed, the base plate needs to be aligned with the drawn line on the machine table 1, the transparent positioning part can visually observe the drawn line under the base plate 4, and the base plate 4 does not need to be lifted to be aligned with the drawn line.
In one embodiment, the drill pin 34 is detachably connected to the sliding block 33.
The PCB board drilling has different types and different size drilling requirements, different drill points 34 are needed for drilling, and most drilling requirements can be met by replacing the drill points 34 of the sliding block 33.
The invention also provides a PCB drilling machine and a drilling method thereof, comprising the following steps:
s1: a positioning line is arranged on a positioning groove on a drilling machine table 1;
s2: the edge of the backing plate 4 is coincided with the positioning line by the observation of the transparent positioning part;
s3: after checking the position, placing and fixing a PCB on the backing plate 4;
s4: placing and fixing a cover plate on the PCB;
s5: moving the movable wall 13, adjusting to a proper position and fixing;
s6: starting an air cooler, and introducing cold air into the vent hole 111 in the positioning groove;
s7: starting a PCB drilling machine to perform a drilling process;
s78: withdrawing the cutter after the drilling process is finished;
s9: removing glue from the PCB after drilling;
s10: after the glue is removed, performing decontamination and copper deposition on the PCB;
s11: and electroplating the PCB after the decontamination and copper deposition are finished.
Visually observing and aligning the liner plate 4 and the drawn lines on the machine table 1 through the transparent positioning part, placing the PCB to be drilled on the liner plate 4 after the liner plate 4 is fixed, fixing the PCB, then placing the cover plate on the liner plate 4 to form a laminated body, adjusting the position of the movable wall 13, fixing the plate, opening the air cooler to blow air through the air vent 111, and starting drilling; and after drilling is finished, the glue scraps remained on the plate are left in the hole, after the glue scraps are removed, decontamination and copper deposition are carried out, and finally electroplating is carried out to thicken the copper on the copper surface, so that the drilling quality is ensured.
In one embodiment, in step S4, the bottom surface of the cover plate is coated with an adhesive.
The adhesive can be coated on the lower surface of the cover plate by UV oil, the UV oil has certain weak adhesiveness, can adhere to the PCB to avoid displacement during drilling, and meanwhile, a drill bit generates high temperature in the drilling process, the UV oil is melted and attached to the drill bit, so that the lubrication degree of the drill bit is increased, and powder generated during drilling is adhered away, so that the drilling quality is better.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. A PCB drilling machine which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the device comprises a machine table, a first guide rail and a second guide rail, wherein the two ends of the machine table are respectively provided with a moving guide rail;
the longitudinal moving device comprises two moving columns, and the moving columns are connected with the moving guide rail in a sliding manner;
the transverse moving device comprises a sliding rod, two ends of the sliding rod are respectively and fixedly connected with the top ends of the two moving columns, a sliding block is arranged on the sliding rod and is connected with the sliding rod in a sliding mode, and a drill point is arranged at the bottom end of the sliding block;
the chip cleaner comprises a machine table, a positioning groove, a first fixing wall, a second fixing wall, a plurality of ventilation holes, a plurality of chip removal holes and two moving walls, wherein the machine table is provided with the positioning groove, the positioning groove comprises the fixing wall and the moving wall, the first fixing wall and the second fixing wall are arranged on the first fixing wall, the second fixing wall is provided with the chip removal holes, and two ends of the moving wall are respectively connected with the first fixing wall and the second fixing wall in a sliding mode; the drill point is detachably connected to the sliding block, a cover plate is placed on the pcb, and an adhesive is coated on the lower surface of the cover plate, and the adhesive increases the lubrication degree of the drill bit and adheres away powder generated during drilling.
2. The PCB drill of claim 1, wherein: the side surface of the backing plate is fixedly connected with a positioning part.
3. The PCB drill of claim 2, wherein: the positioning part is made of a transparent material.
4. A drilling method of a PCB drill applied to the PCB drill of any one of claims 1 to 3, the drilling method comprising the steps of:
s1: a positioning line is arranged on a positioning groove on a machine table of the drilling machine;
s2: observing through a transparent positioning part to enable the edge of the base plate to coincide with a positioning line;
s3: after the position is checked, placing and fixing a PCB on the backing plate;
s4: placing and fixing a cover plate on the PCB;
s5: moving the movable wall, adjusting to a proper position and fixing;
s6: starting an air cooler, and introducing cold air into the vent hole in the positioning groove;
s7: starting a PCB drilling machine to perform a drilling process;
s78: withdrawing the cutter after the drilling process is finished;
s9: removing glue from the PCB after drilling;
s10: after the glue is removed, performing decontamination and copper deposition on the PCB;
s11: and electroplating the PCB after the decontamination and copper deposition are finished.
5. The drilling method of a PCB drill according to claim 4, wherein: the lower surface of the cap plate is coated with an adhesive in step S4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711051593.4A CN107613655B (en) | 2017-10-31 | 2017-10-31 | PCB drilling machine and drilling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711051593.4A CN107613655B (en) | 2017-10-31 | 2017-10-31 | PCB drilling machine and drilling method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107613655A CN107613655A (en) | 2018-01-19 |
| CN107613655B true CN107613655B (en) | 2022-05-17 |
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| CN201711051593.4A Active CN107613655B (en) | 2017-10-31 | 2017-10-31 | PCB drilling machine and drilling method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112672502A (en) * | 2019-10-15 | 2021-04-16 | 苏州维嘉科技股份有限公司 | PCB (printed circuit board), deep forming processing method thereof and numerical control device |
| CN114845470B (en) * | 2022-04-29 | 2023-07-21 | 龙南骏亚电子科技有限公司 | PCB drilling circuit board saving method |
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| KR101296164B1 (en) * | 2013-05-20 | 2013-08-19 | (주)제이케이일렉트로닉스 | Processing method of flat-typed workpieces |
| CN103786189B (en) * | 2014-01-21 | 2016-08-24 | 广州兴森快捷电路科技有限公司 | Realize the boring method of position, pcb board height hole precision |
| CN105538387A (en) * | 2016-01-21 | 2016-05-04 | 烟台柳鑫新材料科技有限公司 | Cover plate for PCB drilling |
| CN206509557U (en) * | 2017-01-19 | 2017-09-22 | 东莞市华拓电子有限公司 | A kind of PCB multilayer board drilling machine automatic filings discharging device |
| CN106944640A (en) * | 2017-04-28 | 2017-07-14 | 叶宝义 | A kind of handware rig |
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Effective date of registration: 20220705 Address after: 516000 6th floor, No. 25 (plant a), Sandong Digital Industrial Park, Huicheng District, Huizhou City, Guangdong Province Patentee after: Huizhou Junya precision circuit Co.,Ltd. Address before: 516000 No. 25, digital industrial park, building 3, Huicheng District, Huizhou City, Huizhou City, Guangdong Province (plant a) Patentee before: GUANGDONG CHAMPION ASIA ELECTRONICS Co.,Ltd. |