CN201924078U

CN201924078U - Etching solution automatic adding device

Info

Publication number: CN201924078U
Application number: CN2010206807793U
Authority: CN
Inventors: 曾巨湘; 蒋红清; 李伟章; 钟红生
Original assignee: SHENZHEN XIANGYU CIRCUIT CO Ltd
Current assignee: SHENZHEN XIANGYU CIRCUIT CO Ltd
Priority date: 2010-12-27
Filing date: 2010-12-27
Publication date: 2011-08-10
Anticipated expiration: 2020-12-27

Abstract

The utility model relates to an etching solution automatic adding device, which comprises a power source, a controller, and an etching pump which controls etching solution to be added in an etching bath. The etching solution automatic adding device is characterized in that the controller is connected with the etching bath; a gravimeter and a probe are arranged in the controller; the gravimeter is positioned at the lower part of the probe and suspends in the etching solution; the probe is connected with the power source; the power source is connected with the etching pump; when etching solution CU2 plus in the etching bath exceeds standard, the gravimeter in the controller floats upward and is contact with the probe at the upper part, so as to ensure that the probe to be accessed to a circuit; and the power source controls the etching pump to be started, then the etching pump adds etching solution into the etching bath, when the etching solution is added to a specific gravity scope, the gravimeter is lowered and disconnected with the probe, and the probe can not be accessed to the circuit, so that the etching solution can be automatically added through the etching solution automatic adding device.

Description

The automatic adding set of etching solution

Technical field

The utility model relates to the equipment of manufacturing of PCB wiring board, says so exactly to be used for pcb board etching solution for etching adding set.

Background technology

PCB(Printed Circuit Board) be the abbreviation of printed circuit board.Circuit on the pcb board all is to adopt etching mode that unnecessary copper is etched away when making, thereby obtains designing the line pattern of wanting.Carry out along with etched, copper is constantly dissolved, and the content of univalent copper ion rises in the liquid medicine, at this moment need constantly add etching solution CU ²To keep normal etch-rate.The interpolation of ammoniacal liquor and ammonium chloride generally all is with adding etching solution manually, and it is big manually to add labour intensity, and etching chemical concentration management and control limit of error is big.

Summary of the invention

Therefore, the purpose of this utility model provides the automatic adding set of a kind of etching solution, and this installs the interpolation of that control to etching solution, to guarantee normal etching state.

Another purpose of the present utility model provides the automatic adding set of a kind of etching solution, and this apparatus structure is simple, be easy to realize.

For achieving the above object, the utility model is achieved in that

The automatic adding set of a kind of etching solution, it comprises power supply, controller and etching pump, etching solution is added in etching pump control in etching bath, it is characterized in that, shown in controller and etching bath connection, and be provided with specific gravity hydrometer and probe in the described controller, specific gravity hydrometer is positioned at the bottom of probe, is suspended in the etching solution in the controller, and probe is connected power supply, power supply connects etching pump, the etching solution CU in etching bath ²⁺The words that exceed standard, then the specific gravity hydrometer in the controller can float, contact with the probe on top, make probe connect circuit, power supply is then controlled and is opened the etching pump, the etching pump adds etching solution in etching bath, etching solution adds in the specific gravity range, and then specific gravity hydrometer or decline disconnects and contacting of popping one's head in, probe then can not connected circuit again, can finish interpolation to etching solution automatically by this device.

Described controller, it is connected with pilot lamp, and to show the connection power supply status of probe, after probe was connected power supply, pilot lamp was lighted, and disconnection is connected with power supply, and then pilot lamp extinguishes.

Described power supply, it is connected with the dosing pilot lamp, and in the time of power initiation etching pump, this dosing pilot lamp is lighted, and shows the state of dosing.

Described power supply also is connected with artificial dosing pilot lamp, under particular state, can start the etching pump and carry out the interpolation of etching solution by manually opening power supply, and at this moment, artificial dosing pilot lamp is lighted.

The utility model can be realized automatic monitoring and interpolation to etching solution by said structure, guarantees etched process and reliability, and etched working efficiency can be provided greatly, reduces workman's working strength.

And implementation structure of the present utility model is simple, practical, but the interpolation of etching solution under widespread use and the various situation.

Description of drawings

The structural representation that Fig. 1 implements for the utility model.

Embodiment

Below, in conjunction with the accompanying drawings shown in, concrete enforcement of the present utility model is elaborated.

Shown in Figure 1, the automatic adding set of the etching solution that the utility model is implemented, comprise power controling box 1, controller 4 and etching pump 5, the etching solution that 5 controls of etching pump are extracted in the etching auxiliary tank 3 adds in etching bath 2, wherein, controller 4 is connected with etching bath 2, and be provided with specific gravity hydrometer 41 and probe 42 in the described controller 4, specific gravity hydrometer 41 is positioned at the bottom of probe 42, be suspended in the etching solution in the controller 4, probe 42 connects power controling box 1, to connect power supply, 1 of power controling box connects etching pump 5, and control etching pump 5 carries out the interpolation of etching solution.

By specific gravity hydrometer Magnetic Induction control etching solution CU ²⁺If content is CU ²⁺Content exceeds management and control scope, i.e. CU is set ²⁺The words that exceed standard, then the specific gravity hydrometer 41 in the controller 4 can float and top probe 42 contact inductions, top pilot lamp 43 can be luminous, connect power controling box 1 by responding to shinny back, this moment, the dosing pilot lamp 11 of power controling box 1 was shinny, the 11 shinny demonstrations of dosing pilot lamp, sub-liquid pump 5 work of power controling box 1 control, fresh sub-liquid in the etching auxiliary tank 3 is delivered in the etching bath 2, and after etching bath 2 inner liquid medicines had added in the specific gravity range, specific gravity hydrometer 41 can descend, probe 42 disconnections are connected with power supply 1, induction is outage automatically, and etching pump 5 quits work, and finishes automatic induction and adds.

Also be connected with artificial dosing pilot lamp 12 on the power controling box 1, under particular state, can start etching pump 5 and carry out the interpolation of etching solution by manually opening power supply, at this moment, artificial dosing pilot lamp 12 is lighted.

Also be equipped with on the power controling box 1 and stop pilot lamp 13, when stopping to add etching solution, this stops pilot lamp 13 lights, and when manually adding etching solution and adding etching solution automatically, stops pilot lamp 13 and extinguishes.

Can save manual operation by this device, management and control etchant concentration effectively makes soup keep standard state constantly.

The above person only is the embodiment that enumerates of the utility model, when the scope that can not limit the utility model enforcement with this.Promptly the equalization of being done according to the utility model claim generally changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims

1. automatic adding set of etching solution, it comprises power supply, controller and etching pump, etching pump control in etching bath, interpolation etching solution, it is characterized in that, shown in controller and etching bath connect, and be provided with specific gravity hydrometer and probe in the described controller, specific gravity hydrometer is positioned at the bottom of probe, be suspended in the etching solution in the controller, probe is connected power supply, and power supply connects the etching pump.

2. the automatic adding set of etching solution as claimed in claim 1 is characterized in that described controller, and it is connected with pilot lamp.

3. the automatic adding set of etching solution as claimed in claim 1 is characterized in that described power supply, and it is connected with the dosing pilot lamp.

4. the automatic adding set of etching solution as claimed in claim 1 is characterized in that described power supply, is connected with artificial dosing pilot lamp.