CN204948517U - The Etaching device of printed circuit board (PCB) - Google Patents

The Etaching device of printed circuit board (PCB) Download PDF

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Publication number
CN204948517U
CN204948517U CN201520508476.6U CN201520508476U CN204948517U CN 204948517 U CN204948517 U CN 204948517U CN 201520508476 U CN201520508476 U CN 201520508476U CN 204948517 U CN204948517 U CN 204948517U
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pcb
circuit board
printed circuit
connects
nozzle
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CN201520508476.6U
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郭永胜
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郭永胜
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Abstract

The utility model discloses a kind of Etaching device of printed circuit board (PCB), it comprises spray unit, delivery unit, imbibition recovery unit and PLC, spray unit comprises jet pipe, above closely connects examination nozzle and closely connect examination nozzle down, delivery unit upper closely connect examination nozzle and lower closely connect examination nozzle between, etching solution by upper closely connect examination nozzle and lower closely connect examination nozzles spray on printed circuit board (PCB), improve the uniformity of etching; Imbibition recovery unit comprises several pipette, siphon pipe and pneumatic operated valve; Siphon pipe connects etching solution major trough, and pneumatic operated valve is installed on siphon pipe, and PLC connects pneumatic operated valve; PLC controls the ON/OFF of pneumatic operated valve, thus the flow rate of liquid controlled in siphon pipe is poor, makes to produce negative pressure in pipette.Under the effect of negative pressure, the reaction liquid medicine on pipette printed circuit board (PCB), and be disposed to etching solution major trough by siphon pipe, decrease pool effect.And etching solution passes printed circuit board (PCB) under suction function, improve uniformity and the efficiency of etching.

Description

The Etaching device of printed circuit board (PCB)
Technical field
The utility model belongs to Etaching device field, and more particularly, the utility model relates to a kind of Etaching device of printed circuit board (PCB).
Background technology
Along with industrial expansion, printed circuit board (PCB) is to multiple stratification, densification, flexibility future development.The substrate thickness of printed circuit board is more and more thinner, and the lines on substrate are more and more thinner, thus require more and more higher to etch process.But conventional etch equipment cannot make thin substrate pass through, and also cannot etch fine-line uniformly, thus affects the quality of printed circuit board (PCB).
Utility model content
The purpose of this utility model is: the Etaching device providing a kind of printed circuit board (PCB), avoids existing etching machines to etch uneven, thus affects the problem of the quality of printed circuit board (PCB).
In order to realize above-mentioned utility model object, the utility model provides a kind of Etaching device of printed circuit board (PCB), it comprises spray unit and delivery unit, delivery unit is for transmitting printed circuit board (PCB) to be etched, described spray unit comprises jet pipe, be installed on described jet pipe on several closely connect examination nozzle and be installed on described jet pipe several under closely connect examination nozzle, describedly above closely connect examination nozzle and the described lower examination nozzle that closely connects is oppositely arranged, described delivery unit closely connects examination nozzle on described and describedly closely connects between examination nozzle down; The Etaching device of described printed circuit board (PCB) also comprises imbibition recovery unit and PLC, described imbibition recovery unit comprise several be evenly distributed on described upper closely connect examination nozzle and described lower closely connect examination nozzle between pipette, the siphon pipe connecting described pipette and pneumatic operated valve; Described pipette described delivery unit and described on closely connect examination nozzle between, described siphon pipe connects etching solution major trough, described pneumatic operated valve is installed on described siphon pipe, and described PLC connects described pneumatic operated valve, and described PLC controls the ON/OFF of described pneumatic operated valve.
One as the Etaching device of the utility model printed circuit board (PCB) is improved, described upper closely connect examination nozzle with described lower closely connect examination nozzle number identical.
One as the Etaching device of the utility model printed circuit board (PCB) is improved, described spray unit also comprises first arm fixing with described jet pipe and the second arm, the described upper examination nozzle that closely connects evenly is installed on described first arm, and the described lower examination nozzle that closely connects evenly is installed on described second arm.
One as the Etaching device of the utility model printed circuit board (PCB) is improved, describedly above closely connect examination nozzle and the described lower examination nozzle that closely connects is installed on corresponding described first arm and described second arm with being all staggered, and describedly above closely connect examination nozzle and described lower closely to connect examination nozzle equal to the vertical range of described printed circuit board (PCB).
One as the Etaching device of the utility model printed circuit board (PCB) is improved, and described spray unit also comprises spray pump and the first suction pipe, and one end of described first suction pipe connects described spray pump; The other end of described first suction pipe stretches to described etching solution major trough; Described jet pipe connects described spray pump.
One as the Etaching device of the utility model printed circuit board (PCB) is improved, and described first suction pipe is also provided with switch valve.
One as the Etaching device of the utility model printed circuit board (PCB) is improved, and described in each, pipette comprises jointing, and described imbibition recovery unit also comprises connecting hose, and the opposite end of described connecting hose connects described jointing and described siphon pipe respectively.
One as the Etaching device of the utility model printed circuit board (PCB) is improved, and described imbibition recovery unit also comprises adjustable holder, and pipette described in each also comprises stationary pipes and main pipe, and the two ends of described stationary pipes are fixed respectively by described adjustable holder; Described main pipe is fixed on described stationary pipes, and is communicated with described stationary pipes; Described main pipe is provided with several and absorbs through hole, and described jointing connects and is communicated in described stationary pipes.
One as the Etaching device of the utility model printed circuit board (PCB) is improved, and described imbibition recovery unit also comprises siphon working barrel and the second suction pipe; One end of described second suction pipe connects described siphon working barrel; The other end of described second suction pipe stretches to etching solution major trough; Described siphonal two ends connect described siphon working barrel and described connecting hose respectively, and described siphonal middle part is fixed with a triple valve, and the another one interface of described triple valve connects described etching solution major trough.
Compared with prior art, the printed circuit board (PCB) to be etched of the Etaching device of printed circuit board (PCB) of the present utility model under the transmission of delivery unit, upper closely connect examination nozzle and lower closely connect examination nozzle between uniform motion.Etching solution by upper closely connect examination nozzle and lower closely connect examination nozzles spray on printed circuit board (PCB), improve the uniformity of etching.Further, PLC Pneumatic automatic-control valve is opened, thus the flow rate of liquid controlled in siphon pipe is poor, makes to produce negative pressure in pipette.Under the effect of negative pressure, the reaction liquid medicine on pipette printed circuit board (PCB), and be disposed in etching solution major trough by siphon pipe, decrease pool effect.And etching solution passes printed circuit board (PCB) under the effect of negative pressure, improve uniformity and the efficiency of etching.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the beneficial effect of the Etaching device of the utility model printed circuit board (PCB) is described in detail.
Fig. 1 is the using state schematic diagram of the Etaching device of the utility model printed circuit board (PCB).
Fig. 2 is the structural representation of the Etaching device of the utility model printed circuit board (PCB) in Fig. 1;
Fig. 3 is the structural representation of spray unit in Fig. 2;
Fig. 4 is the structural representation of pipette arrangement in Fig. 2;
Fig. 5 is the schematic front view of pipette in Fig. 4.
Fig. 6 is the elevational schematic view of Fig. 5.
Fig. 7 is the enlarged diagram of imbibition recovery unit in Fig. 1.
Embodiment
In order to make the purpose of this utility model, technical scheme and Advantageous Effects thereof more clear, below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.Should be understood that, the embodiment described in this specification is only used to explain the utility model, is not intended to limit the utility model.
Refer to Fig. 1, the Etaching device of printed circuit board (PCB) of the present utility model, it comprises spray unit 1, delivery unit 3, imbibition recovery unit 5 and PLC, and (figure does not show, PLC is ProgrammableLogicController, programmable logic controller (PLC), is hereafter all called for short PLC).Spray unit 1 comprises jet pipe 11, be installed on jet pipe 11 on several closely connect examination nozzle 13 and be installed on jet pipe 11 several under closely connect examination nozzle 15.On closely connect examination nozzle 13 and lower closely connect examination nozzle 15 be oppositely arranged.Jet pipe 11 is connected to etching solution major trough (not shown).Delivery unit 3 for transmitting printed circuit board (PCB) 10 to be etched, and upper closely connect examination nozzle 13 and lower closely connect examination nozzle 15 between.Printed circuit board (PCB) 10 closely connects examination nozzle 13 upper and closely connect motion between examination nozzle 15 down under the transmission of delivery unit 3, thus makes each part of printed circuit board (PCB) 10 all can accept closely to connect examination nozzle 13 and the lower etching solution closely connecing examination nozzle 15 and spray.Imbibition recovery unit 5 comprises several and is evenly distributed on and closely connects examination nozzle 13 and closely connect pipette 51 between examination nozzle 15 down, connect the siphon pipe 53 of pipette 51 and pneumatic operated valve 55.Pipette 51 just to and be positioned at the top of delivery unit 3, that is pipette 51 delivery unit 3 and on closely connect between examination nozzle 13.The discharge port of siphon pipe 53 connects in etching solution major trough, for being disposed in etching solution major trough by the etching solution used.Pneumatic operated valve 55 is installed on siphon pipe 53.PLC connects pneumatic operated valve 55, and PLC controls the ON/OFF of pneumatic operated valve 55.
The Etaching device of printed circuit board (PCB) of the present utility model in use, printed circuit board (PCB) 10 under the transmission of delivery unit 3, upper closely connect examination nozzle 13 and lower closely connect examination nozzle 15 between uniform motion.After etching solution in etching solution major trough is extracted to jet pipe 11, closely connects examination nozzle 13 and the lower examination nozzle 15 that closely connects is sprayed on printed circuit board (PCB) 10 by upper, thus printed circuit board (PCB) 10 to be etched, improve the uniformity of etching.PLC controls pneumatic operated valve 55 and opens, thus the flow rate of liquid controlled in siphon pipe 53 is poor, makes to produce negative pressure in pipette 51.Under the effect of negative pressure, pipette 51 draws the reaction liquid medicine on printed circuit board (PCB) 10, and these reaction liquid medicine flow into siphon pipe 53 after pipette 51, and is disposed in etching solution major trough by siphon pipe 53, decreases pool effect.And etching solution under the effect of negative pressure through getting printed circuit board (PCB) 10, improve etch uniformity and efficiency.And in the present embodiment, when edges of boards before printed circuit board (PCB) 10 have 5CM upper closely connect examination nozzle 13 and lower closely connect examination nozzle 15 between time, PLC Pneumatic automatic-control valve 55 is opened, and pipette 51 starts to draw the liquid on printed circuit board (PCB) 10; When printed circuit board (PCB) 10 move to rear edges of boards and upper closely to connect the horizontal range trying nozzle 13 be 5CM time, PLC Pneumatic automatic-control valve 55 cuts out, guarantee that ultra-thin printed circuit board (PCB) 10 (the thinnest thickness is 0.036mm) can be passed through smoothly, can not clamp.
Above-mentioned spray unit 1 also comprises first arm 16 and second arm 17 fixing with jet pipe 11.On closely connect examination nozzle 13 be evenly installed on the first arm 16.Closely connect down examination nozzle 15 and be evenly installed on the second arm 17.On closely connect examination nozzle 13 with lower closely connect examination nozzle 15 number identical; On closely connect examination nozzle 13 and lower closely to connect examination nozzle 15 identical to the vertical range of printed circuit board (PCB) 10.In the present embodiment, the first arm 16 is provided with and 16 closely connects examination nozzle 13, and these closely connect examination nozzle 13 and be staggered.And each closely to connect examination nozzle 13 be 60mm to the distance of the end face of printed circuit board (PCB) 10.Similarly, closely connect under the second arm 17 is provided with 16 examination nozzle 15, and closely connect under these examination nozzle 15 be staggered.And often closely to connect examination nozzle 15 once to the distance of the bottom surface of printed circuit board (PCB) 10 be 60mm.
Above-mentioned spray unit 1 also comprises spray pump 18 and the first suction pipe 19.One end of first suction pipe 19 connects spray pump 18; The other end of the first suction pipe 19 stretches to etching solution major trough.Jet pipe 11 connects spray pump 18.Under the effect of spray pump 18, the etching solution in etching solution major trough is extracted by the first suction pipe 19, and flows in jet pipe 11.Thus etching solution flows to the first arm 16 and the second arm 17 by jet pipe 11, and finally closely connect examination nozzle 13 and the lower examination nozzle 15 that closely connects sprays and spills on the printed circuit board 10 by upper.In the present embodiment, for the ease of controlling the etching solution extracted, the first suction pipe 19 is also provided with switch valve 191.
Above-mentioned imbibition recovery unit 5 also comprises several adjustable holders 56.Each pipette 51 is fixed on conveying branch by corresponding adjustable holder 56.By the adjustment of adjustable holder 56, can guarantee how much thickness of no matter printed circuit board 10 all keeps pipette 51 to be steady state value to the distance of printed circuit board 10 end face.And in the present embodiment, between adjustable holder 56 and conveying branch, adopt cassette to link, to facilitate installation and maintenance.In the present embodiment, the quick bolt 517 that adjustable holder 56 comprises fixed head 516 and coordinates with fixed head 516.Quick bolt 517 is fixed on fixed head 516 and pipette 51.Fixed head 516 is fixed on suitable position by quick bolt 517, owing to using quick bolt 517 to fix, and convenient disassembly, and be convenient to adjustment.
Each pipette 51 comprises stationary pipes 511, main pipe 513 and jointing 515.The two ends of stationary pipes 511 are fixed respectively by adjustable holder 56.Main pipe 513 is fixed on stationary pipes 511, and is communicated with stationary pipes 511.Main pipe 513 is provided with several for drawing the absorption through hole 516 of the reactant liquor on printed circuit board (PCB) 10.Jointing 515 connects and is communicated in stationary pipes 511.Each pipette 51 adopts titanium material to make, and has intensity high long service life, not yielding.
Above-mentioned imbibition recovery unit 5 also comprises connecting hose 57.The opposite end of connecting hose 57 connects jointing 515 and the siphon pipe 53 of pipette 51 respectively; Connected the shake reducing pipette 51 by connecting hose 57, and be convenient to the position regulating pipette 51.
Above-mentioned imbibition recovery unit 5 also comprises siphon working barrel 58 and the second suction pipe 59.One end of second suction pipe 59 connects siphon working barrel 58; The other end of the second suction pipe 59 stretches to etching solution major trough.The opposite end of siphon pipe 53 connects siphon working barrel 58 and connecting hose 57 respectively.The middle part between opposite end of siphon pipe 53 is fixed with triple valve 531.The another one interface of triple valve 531 connects above-mentioned etching solution major trough.Like this, when pneumatic operated valve 55 works, under the effect of siphon working barrel 58, make the flow rate of liquid in siphon pipe 53 poor, thus produce negative pressure in pipette 51.Under the effect of negative pressure, pipette 51 draws the reaction liquid medicine on printed circuit board (PCB) 10, and these reaction liquid medicine flow through jointing 515, connecting hose 57 and triple valve 531 successively after pipette 51, and be disposed in etching solution major trough by triple valve 531, decrease pool effect.
The printed circuit board (PCB) 10 to be etched of the Etaching device of printed circuit board (PCB) of the present utility model under the transmission of delivery unit 3, upper closely connect examination nozzle 13 and lower closely connect examination nozzle 15 between uniform motion.Etching solution closely connects examination nozzle 13 and the lower examination nozzle 15 that closely connects is sprayed on printed circuit board (PCB) 10 by upper, thus to etch printed circuit board (PCB) 10, improves the uniformity of etching.Further, PLC Pneumatic automatic-control valve 55 is opened, thus the flow rate of liquid controlled in siphon pipe 53 is poor, makes to produce negative pressure in pipette 51.Under the effect of negative pressure, pipette 51 draws the reaction liquid medicine on printed circuit board (PCB) 10, and is disposed in etching solution major trough by siphon pipe 53, decreases pool effect.And etching solution passes printed circuit board (PCB) 10 under the effect of negative pressure, improve uniformity and the efficiency of etching.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned execution mode.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.

Claims (9)

1. the Etaching device of a printed circuit board (PCB), it comprises spray unit and delivery unit, delivery unit is for transmitting printed circuit board (PCB) to be etched, it is characterized in that, described spray unit comprises jet pipe, be installed on described jet pipe on several closely connect examination nozzle and be installed on described jet pipe several under closely connect examination nozzle, describedly above closely connect examination nozzle and the described lower examination nozzle that closely connects is oppositely arranged, delivery unit closely connects examination nozzle on described and describedly closely connects between examination nozzle down;
The Etaching device of described printed circuit board (PCB) also comprises imbibition recovery unit and PLC, described imbibition recovery unit comprise several be evenly distributed on described upper closely connect examination nozzle and described lower closely connect examination nozzle between pipette, the siphon pipe connecting described pipette and pneumatic operated valve;
Described pipette described delivery unit and described on closely connect examination nozzle between, described siphon pipe connects etching solution major trough, described pneumatic operated valve is installed on described siphon pipe, and described PLC connects described pneumatic operated valve, and described PLC controls the ON/OFF of described pneumatic operated valve.
2. the Etaching device of printed circuit board (PCB) according to claim 1, is characterized in that, described upper closely connect examination nozzle with described lower closely connect examination nozzle number identical.
3. the Etaching device of printed circuit board (PCB) according to claim 1, it is characterized in that, described spray unit also comprises first arm fixing with described jet pipe and the second arm, the described upper examination nozzle that closely connects evenly is installed on described first arm, and the described lower examination nozzle that closely connects evenly is installed on described second arm.
4. the Etaching device of printed circuit board (PCB) according to claim 3, it is characterized in that, describedly above closely connect examination nozzle and the described lower examination nozzle that closely connects is installed on corresponding described first arm and described second arm with being all staggered, and describedly above closely connect examination nozzle and described lower closely to connect examination nozzle equal to the vertical range of described printed circuit board (PCB).
5. the Etaching device of printed circuit board (PCB) according to claim 1, is characterized in that, described spray unit also comprises spray pump and the first suction pipe, and one end of described first suction pipe connects described spray pump; The other end of described first suction pipe stretches to described etching solution major trough; Described jet pipe connects described spray pump.
6. the Etaching device of printed circuit board (PCB) according to claim 5, is characterized in that, described first suction pipe is also provided with switch valve.
7. the Etaching device of printed circuit board (PCB) according to claim 1, it is characterized in that, described in each, pipette comprises jointing, and described imbibition recovery unit also comprises connecting hose, and the opposite end of described connecting hose connects described jointing and described siphon pipe respectively.
8. the Etaching device of printed circuit board (PCB) according to claim 7, it is characterized in that, described imbibition recovery unit also comprises adjustable holder, and pipette described in each also comprises stationary pipes and main pipe, and the two ends of described stationary pipes are fixed respectively by described adjustable holder; Described main pipe is fixed on described stationary pipes, and is communicated with described stationary pipes; Described main pipe is provided with several and absorbs through hole, and described jointing connects and is communicated in described stationary pipes.
9. the Etaching device of printed circuit board (PCB) according to claim 7, is characterized in that, described imbibition recovery unit also comprises siphon working barrel and the second suction pipe; One end of described second suction pipe connects described siphon working barrel; The other end of described second suction pipe stretches to etching solution major trough; Described siphonal two ends connect described siphon working barrel and described connecting hose respectively, and described siphonal middle part is fixed with a triple valve, and the another one interface of described triple valve connects described etching solution major trough.
CN201520508476.6U 2015-07-14 2015-07-14 The Etaching device of printed circuit board (PCB) Active CN204948517U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108811351A (en) * 2018-08-01 2018-11-13 四川海英电子科技有限公司 A kind of technique efficiently etched fine on high-order high-density circuit board
CN109302803A (en) * 2018-10-17 2019-02-01 刘兆 A kind of two-sided etching machine of printed circuit board
CN110035620A (en) * 2019-04-29 2019-07-19 深圳市科路迪机械设备有限公司 SES production line
CN110730568A (en) * 2018-07-16 2020-01-24 惠州市捷成机电设备有限公司 Precise etching device for flexible circuit board
CN111447751A (en) * 2020-04-25 2020-07-24 深圳市科路迪机械设备有限公司 Precision etching device and etching spray frame thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110730568A (en) * 2018-07-16 2020-01-24 惠州市捷成机电设备有限公司 Precise etching device for flexible circuit board
CN108811351A (en) * 2018-08-01 2018-11-13 四川海英电子科技有限公司 A kind of technique efficiently etched fine on high-order high-density circuit board
CN109302803A (en) * 2018-10-17 2019-02-01 刘兆 A kind of two-sided etching machine of printed circuit board
CN110035620A (en) * 2019-04-29 2019-07-19 深圳市科路迪机械设备有限公司 SES production line
CN110035620B (en) * 2019-04-29 2020-07-10 深圳市科路迪机械设备有限公司 SES production line
CN111447751A (en) * 2020-04-25 2020-07-24 深圳市科路迪机械设备有限公司 Precision etching device and etching spray frame thereof
CN111447751B (en) * 2020-04-25 2021-05-07 深圳市科路迪机械设备有限公司 Precision etching device and etching spray frame thereof

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C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160705

Address after: 516227 Guangdong Province, Huizhou city Huiyang District Zhenlong Town grass Wo Gan Po Village

Patentee after: Huizhou Jiecheng mechanical and Electrical Equipment Co., Ltd.

Address before: 516000 Guangdong city of Huizhou province Chen Jiang Zhen Chen Jiang Cun Wei Hui Huicheng District No. 1 Baiyun Mountain

Patentee before: Guo Yongsheng

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160905

Address after: 516000 Guangdong city of Huizhou province Chen Jiang Zhen Chen Jiang Cun Wei Hui Huicheng District No. 2 Baiyun Mountain

Patentee after: Guo Liming

Address before: 516227 Guangdong Province, Huizhou city Huiyang District Zhenlong Town grass Wo Gan Po Village

Patentee before: Huizhou Jiecheng mechanical and Electrical Equipment Co., Ltd.