CN113115516A - Method for processing printed circuit board without positioning hole by adopting numerical control milling machine - Google Patents
Method for processing printed circuit board without positioning hole by adopting numerical control milling machine Download PDFInfo
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- CN113115516A CN113115516A CN202110367045.2A CN202110367045A CN113115516A CN 113115516 A CN113115516 A CN 113115516A CN 202110367045 A CN202110367045 A CN 202110367045A CN 113115516 A CN113115516 A CN 113115516A
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- board
- numerical control
- milling machine
- control milling
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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
- H05K3/0008—Apparatus or processes for manufacturing printed circuits for aligning or positioning of tools relative to the circuit board
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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
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a method for processing a printed circuit board without a positioning hole by adopting a numerical control milling machine, which comprises the following steps: selecting an optimal typesetting design according to customer data to ensure that each unit plate comprises two frames and positioning holes on the frames of each unit plate are distributed consistently; dividing the unit plate after the whole large plate is V-CUT; providing a pneumatic clamp, and correspondingly sleeving the positioning holes of the unit plates into the pins of the pneumatic clamp to stack the unit plates; clamping and fixing the laminated plate by using a fixing clamp of a pneumatic clamp, and withdrawing the pin; placing the pneumatic clamp on a numerical control milling machine, moving away one group of fixing clamps on two opposite sides of the laminated board, and milling two opposite side edges of the laminated board by using milling cutters of the numerical control milling machine; and resetting the fixing clamp for routing the board edge, moving away the other group of fixing clamps, and routing the other two side edges of the stacked boards. The processing method of the positioning hole-free printed circuit board by adopting the numerical control milling machine has the characteristics of short milling distance, high efficiency, low material and labor cost, safe operation and the like.
Description
Technical Field
The invention relates to the technical field of printed circuit board manufacturing, in particular to a method for processing a printed circuit board without a positioning hole by adopting a numerical control milling machine.
Background
With the development of electronic products, the demand of printed circuit boards is increasing continuously, and the requirement for precision is also increasing continuously.
The routing and forming are an important process in the production of circuit boards, and directly influence the precision of the processing of the circuit boards. The final finished product of circuit board comprises a plurality of cell boards concatenation, does not have the locating hole in the cell board, and current processing technology generally adopts artifical manual production according to the board, perhaps divides the sword gong board earlier, pastes the fixed mode of sticky tape again, has that production efficiency is low, the operation danger is high, the human cost is high, the material loss is big scheduling problem.
In view of the above, it is necessary to provide a new cell plate processing technology to solve the above technical problems.
Disclosure of Invention
The invention aims to solve the technical problem of providing a processing method of a non-locating hole printed circuit board by adopting a numerical control milling machine, the circuit board is formed by one-time routing through a mode of combining a pneumatic clamp and the numerical control milling machine, and the processing method has the characteristics of short routing, high efficiency, low material and labor cost, safe operation and the like.
In order to solve the problems, the technical scheme of the invention is as follows:
a method for processing a printed circuit board without a positioning hole by adopting a numerical control milling machine comprises the following steps:
step S1, selecting the best typesetting design according to the customer data, so that each cell board has two frames, and the positioning holes on the frames of each cell board are distributed in the same way;
step S2, reserving the V-CUT of the whole large plate, wherein the distance between the edge of the V-CUT and the effective forming area of the plate edge is 0.8-1.2 mm;
step S3, dividing the unit board after the large board V-CUT, and confirming that the positioning holes on the two borders of each unit board are distributed consistently;
step S4, providing a pneumatic clamp, wherein the pneumatic clamp comprises pins corresponding to the positioning holes one by one and fixing clamps distributed around the unit plates, and the positioning holes of the unit plates are sleeved into the pins of the pneumatic clamp correspondingly to stack the unit plates;
step S5, clamping and fixing the laminated plate by using a fixing clamp of a pneumatic clamp, and withdrawing the pin;
step S6, placing the pneumatic clamp on a numerical control milling machine, removing one group of fixing clamps on two opposite sides of the laminated board, milling the cutters by using the numerical control milling machine, and milling two opposite sides of the laminated board according to the design size requirement;
resetting the fixing clamps to clamp the two routed side edges of the laminated board, moving away the other group of fixing clamps, and routing the other two side edges of the laminated board according to the design size requirement;
in step S7, the fixing clip is removed and the unit board is taken out.
Further, of the layout designs, at most design 1pnl is 4 sets.
Further, the number of stacked plates is determined according to the length of the pin.
Further, determining the diameter of the routing knife according to the number of the stacked boards, and routing the stacked boards in a routing mode by adopting a routing knife.
Compared with the prior art, the processing method of the positioning hole-free printed circuit board provided by the invention adopts a numerical control milling machine, and has the beneficial effects that:
the printed circuit board without the positioning hole adopts a processing method of a numerical control milling machine, a pneumatic clamp is used, a pin is arranged on the pneumatic clamp, and unit boards are stacked together through the positioning hole of a frame; fixing clamps are installed on four sides of the pneumatic clamp, four sides of the board are clamped, a group of fixing clamps on two opposite side edges are firstly moved away in a cutter splitting routing mode, the corresponding two sides are fixed after routing, another group of fixing clamps are moved away, the other two sides are routed out, and all the fixing clamps are moved away to take out the unit board after routing. The positioning hole-free printed circuit board provided by the invention adopts a processing method of a numerical control milling machine, and the circuit board is subjected to one-time routing forming in a mode of combining a pneumatic clamp and the numerical control milling machine, so that the positioning hole-free printed circuit board has the characteristics of short routing distance, high efficiency, low material and labor cost, safe operation and the like.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method for processing a printed circuit board without a positioning hole by using a numerical control milling machine according to the present invention;
FIG. 2 is a schematic diagram of a large board V-CUT in the method for processing a no-positioning-hole printed circuit board by using a numerical control milling machine according to the invention;
fig. 3 is a schematic structural view of a pneumatic clamp in the method for processing the printed wiring board without the positioning hole by using the numerical control milling machine.
Detailed Description
In order to make the technical solutions in the embodiments of the present invention better understood and make the above objects, features, and advantages of the present invention more comprehensible, specific embodiments of the present invention are described below with reference to the accompanying drawings.
It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 is a schematic flow chart of a method for processing a printed circuit board without a positioning hole by using a numerically controlled milling machine according to the present invention. The invention provides a method for processing a printed circuit board without a positioning hole by adopting a numerical control milling machine, which comprises the following steps:
step S1, selecting the best typesetting design according to the customer data, so that each cell board has two frames, and the positioning holes on the frames of each cell board are distributed in the same way;
specifically, the layout can be designed as 1pnl ═ 4set, wherein pnl represents a jigsaw, and set represents a unit board, so that each unit frame has two borders; the typesetting can also be designed according to 1 pnl-2 set, and the typesetting can be specifically designed according to the size required by a client;
positioning holes are respectively designed on the two frames of the unit plate, and the positioning holes on the frames of each unit plate are uniformly distributed, so that the unit plates are conveniently stacked and positioned in the subsequent process.
Step S2, reserving the V-CUT of the whole large plate, wherein the distance between the edge of the V-CUT and the effective forming area of the plate edge is 0.8-1.2 mm;
please refer to fig. 2, which is a schematic diagram of a whole large board V-CUT in a processing method of a non-positioning hole printed circuit board using a numerically controlled milling machine according to the present invention, in this embodiment, two unit boards are formed by dividing the whole large board V-CUT, and a reserved width of a V-CUT edge from an effective board edge forming area is a milling edge width of a subsequent milling process. In this embodiment, the reserved width of the effective forming area of the edge of the V-CUT away from the plate edge is designed to be 1.0 mm.
Step S3, dividing the unit board after the large board V-CUT, and confirming that the positioning holes on the two borders of each unit board are distributed consistently;
in the embodiment, three positioning holes are arranged on each frame, the dividing line of the two unit plates formed by the large plate V-CUT is taken as a central line, and the positioning holes of the two unit plates are symmetrically designed, so that the positioning holes on the two frames of the unit plates formed by the V-CUT can be uniformly distributed;
if the layout mode is designed with 1pnl being 4 sets, the positioning holes of the 4 unit plates are designed symmetrically with the two dividing lines as the central lines.
Step S4, providing a pneumatic clamp, wherein the pneumatic clamp comprises pins corresponding to the positioning holes one by one and fixing clamps distributed around the unit plates, and the positioning holes of the unit plates are sleeved into the pins of the pneumatic clamp correspondingly to stack the unit plates;
please refer to fig. 3, which is a schematic structural diagram of a pneumatic clamp in the processing method of the positioning hole-free printed circuit board using the numerically controlled milling machine of the present invention, wherein pins 11 are installed on the pneumatic clamp 1, and the pins correspond to the positioning holes on the unit board one to one; the number of the fixing clamps 2 is 4, the fixing clamps are distributed on the periphery of the unit plates, pressing force is provided for the laminated plates from different directions, and in application, the number of the laminated plates is determined according to the length of the pins and the pressure of the fixing clamps, so that the laminated plates can be clamped and fixed.
Step S5, clamping and fixing the laminated plate by using a fixing clamp of a pneumatic clamp, and withdrawing the pin;
step S6, placing the pneumatic clamp on a numerical control milling machine, removing one group of fixing clamps on two opposite sides of the laminated board, milling the cutters by using the numerical control milling machine, and milling two opposite sides of the laminated board according to the design size requirement;
resetting the fixing clamps to clamp the two routed side edges of the laminated board, moving away the other group of fixing clamps, and routing the other two side edges of the laminated board according to the design size requirement;
specifically, the diameter of the routing knife is determined according to the number of stacked plates, and the stacked plates are routed in a one-knife routing mode, so that the efficiency of the routing process is improved.
In step S7, the fixing clip is removed and the unit board is taken out.
The printed circuit board without the positioning hole adopts a processing method of a numerical control milling machine, a pneumatic clamp is used, a pin is arranged on the pneumatic clamp, and unit boards are stacked together through the positioning hole of a frame; fixing clamps are installed on four sides of the pneumatic clamp, four sides of the board are clamped, a group of fixing clamps on two opposite side edges are firstly moved away in a cutter splitting routing mode, the corresponding two sides are fixed after routing, another group of fixing clamps are moved away, the other two sides are routed out, and all the fixing clamps are moved away to take out the unit board after routing. The positioning hole-free printed circuit board provided by the invention adopts a processing method of a numerical control milling machine, and the circuit board is subjected to one-time routing forming in a mode of combining a pneumatic clamp and the numerical control milling machine, so that the positioning hole-free printed circuit board has the characteristics of short routing distance, high efficiency, low material and labor cost, safe operation and the like.
The embodiments of the present invention are described in detail above with reference to the drawings, but the present invention is not limited to the described embodiments. Various changes, modifications, substitutions and alterations to these embodiments will occur to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (4)
1. A method for processing a printed circuit board without a positioning hole by adopting a numerical control milling machine is characterized by comprising the following steps:
step S1, selecting the best typesetting design according to the customer data, so that each cell board has two frames, and the positioning holes on the frames of each cell board are distributed in the same way;
step S2, reserving the V-CUT of the whole large plate, wherein the distance between the edge of the V-CUT and the effective forming area of the plate edge is 0.8-1.2 mm;
step S3, dividing the unit board after the large board V-CUT, and confirming that the positioning holes on the two borders of each unit board are distributed consistently;
step S4, providing a pneumatic clamp, wherein the pneumatic clamp comprises pins corresponding to the positioning holes one by one and fixing clamps distributed around the unit plates, and the positioning holes of the unit plates are sleeved into the pins of the pneumatic clamp correspondingly to stack the unit plates;
step S5, clamping and fixing the laminated plate by using a fixing clamp of a pneumatic clamp, and withdrawing the pin;
step S6, placing the pneumatic clamp on a numerical control milling machine, removing one group of fixing clamps on two opposite sides of the laminated board, milling the cutters by using the numerical control milling machine, and milling two opposite sides of the laminated board according to the design size requirement;
resetting the fixing clamps to clamp the two routed side edges of the laminated board, moving away the other group of fixing clamps, and routing the other two side edges of the laminated board according to the design size requirement;
in step S7, the fixing clip is removed and the unit board is taken out.
2. The method for processing the printed circuit board without the positioning hole by the numerical control milling machine according to claim 1, wherein in the typesetting design, at most, the design 1pnl is 4 sets.
3. The method for processing a hole-location-hole-free printed wiring board according to claim 1, wherein the number of stacked boards is determined according to the length of the pin.
4. The method for processing the printed circuit board without the positioning hole by the numerical control milling machine according to claim 3, wherein the diameter of the routing knife is determined according to the number of stacked boards, and the stacked boards are routed by adopting a routing knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110367045.2A CN113115516A (en) | 2021-04-06 | 2021-04-06 | Method for processing printed circuit board without positioning hole by adopting numerical control milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110367045.2A CN113115516A (en) | 2021-04-06 | 2021-04-06 | Method for processing printed circuit board without positioning hole by adopting numerical control milling machine |
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| Publication Number | Publication Date |
|---|---|
| CN113115516A true CN113115516A (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110367045.2A Pending CN113115516A (en) | 2021-04-06 | 2021-04-06 | Method for processing printed circuit board without positioning hole by adopting numerical control milling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114980524A (en) * | 2022-06-20 | 2022-08-30 | 新余市木林森线路板有限公司 | Single PIN-free operation method for PCB forming routing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104168713A (en) * | 2013-05-20 | 2014-11-26 | 北大方正集团有限公司 | Printed circuit board routing method |
| CN105338746A (en) * | 2015-11-03 | 2016-02-17 | 胜宏科技（惠州）股份有限公司 | Method for forming circuit board without location holes |
| CN205996606U (en) * | 2016-06-14 | 2017-03-08 | 广州和信实业有限责任公司 | A kind of fixture |
| CN106550543A (en) * | 2016-10-26 | 2017-03-29 | 广东骏亚电子科技股份有限公司 | A kind of circuit panel forming method without location hole |
| CN110418505A (en) * | 2019-07-24 | 2019-11-05 | 信丰迅捷兴电路科技有限公司 | A kind of precision PCB blank plate and its processing molding method |
-
2021
- 2021-04-06 CN CN202110367045.2A patent/CN113115516A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104168713A (en) * | 2013-05-20 | 2014-11-26 | 北大方正集团有限公司 | Printed circuit board routing method |
| CN105338746A (en) * | 2015-11-03 | 2016-02-17 | 胜宏科技（惠州）股份有限公司 | Method for forming circuit board without location holes |
| CN205996606U (en) * | 2016-06-14 | 2017-03-08 | 广州和信实业有限责任公司 | A kind of fixture |
| CN106550543A (en) * | 2016-10-26 | 2017-03-29 | 广东骏亚电子科技股份有限公司 | A kind of circuit panel forming method without location hole |
| CN110418505A (en) * | 2019-07-24 | 2019-11-05 | 信丰迅捷兴电路科技有限公司 | A kind of precision PCB blank plate and its processing molding method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114980524A (en) * | 2022-06-20 | 2022-08-30 | 新余市木林森线路板有限公司 | Single PIN-free operation method for PCB forming routing |
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Application publication date: 20210713 |