CN201663760U - Automatic feeding device of etching solution additive for printed circuit board production line - Google Patents
Automatic feeding device of etching solution additive for printed circuit board production line Download PDFInfo
- Publication number
- CN201663760U CN201663760U CN201020173834XU CN201020173834U CN201663760U CN 201663760 U CN201663760 U CN 201663760U CN 201020173834X U CN201020173834X U CN 201020173834XU CN 201020173834 U CN201020173834 U CN 201020173834U CN 201663760 U CN201663760 U CN 201663760U
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- flow pump
- liquid medicine
- etching
- frequency converter
- controller
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Abstract
The utility model relates to an automatic feeding device of etching solution additive for a printed circuit board production line, which comprises a detector, a controller and a flow pump. The detector, the controller and the flow pump are respectively arranged on an etching device, the probe of the detector is contacted with etching solution in the etching device, and the signal output end of the detector is electrically connected with the signal input end of the controller; the inlet of the flow pump is communicated with the outlet of an additive container, and the outlet of the flow pump is communicated with the etching solution additive inlet of the etching device; and the signal output end of the controller is electrically connected with the signal input end of the flow pump. The automatic feeding device is characterized by also comprising a frequency converter, the frequency converter is arranged on the etching device, the signal output end of the frequency converter is electrically connected with the signal input end of the flow pump, and the operating frequency of the flow pump can be changed through the frequency converter, thereby changing the additive flow of the flow pump. Therefore, the utility model can satisfy the manufacturing needs of plates with different ounces, in particular the manufacturing needs of precise circuit boards.
Description
Technical field
The utility model relates to a kind of automatic adding set of liquid medicine additive, more particularly, relates to the automatic adding set of etching liquid medicine additive on a kind of printed circuit board assembly line.
Background technology
On existing printed circuit board assembly line, adopt etching liquid medicine that printed circuit board is carried out etching usually, in the etching process of printed circuit board, etching liquid medicine needs regeneration cycle to use, therefore, in order to make the regeneration of etching liquid medicine, need constantly in etching liquid medicine, to add additive.
At present, industry equipment producer is general adopts automatic adding set to add etching liquid medicine additive automatically in etching machines.The automatic adding set of existing etching liquid medicine additive generally comprises detector, controller and the flow pump that is located at respectively on the etching machines; The probe of above-mentioned detector contacts with etching liquid medicine in the etching machines, and the signal output part of detector is electrically connected with the signal input part of controller; The inlet of above-mentioned flow pump is communicated with the outlet of additive container, and the flow delivery side of pump is communicated with the etching liquid medicine additive inlet of etching machines; The signal output part of above-mentioned controller is electrically connected with the signal input part of flow pump.
Industry equipment producer also someone adopts air pump to replace flow pump, still, no matter is to adopt air pump or employing flow pump, in the use of reality, all has a liquid medicine balance point control problem.
The automatic adding set of existing etching liquid medicine additive generally adopts the content of copper ion in the oxidation-reduction potential monitoring etching liquid medicine to control the addition of additive, the balance point of a chemical concentration promptly is set, when the concentration of liquid medicine system surpasses this balance point in detector detects etching machines, detector sends a detection signal and gives controller, controller is according to this detection signal, send a control signal and give air pump or flow pump, make air pump or flow pump in etching machines, add etching liquid medicine additive automatically, make the concentration of the interior liquid medicine system of etching machines return to the balance point state again; When the concentration of liquid medicine system returns to the balance point state again in detector detects etching machines, detector sends another detection signal and gives controller, controller is according to this detection signal, send another control signal and give air pump or flow pump, make air pump or flow pump stop in etching machines, to add etching liquid medicine additive.
In etching machines, adding in the process of etching liquid medicine additive, exist a problem: when the change in concentration because of the liquid medicine system begins to add, because the instability of flow of air pump, sometimes add manyly, sometimes add fewly, be easy to make that the additive interpolation of whole liquid medicine system is excessive, influence the quality of plate on the one hand easily, especially to the plate of fine-line, also can cause the increase of liquid medicine consumption on the one hand.And when adopting flow pump to add etching liquid medicine additive, flow pump is more stable than air pump on the interpolation flow, thereby the discharge stability in the interpolation process is improved, but, in the manufacturing process of different ounce's template spares, if satisfied the making demand of high ounce's template spare, it is excessive that then low ounce's template spare adds easily, if satisfied the making demand of low ounce's template spare, then high ounce's template spare adds deficiency easily.
Summary of the invention
The technical problems to be solved in the utility model provides the automatic adding set of etching liquid medicine additive on a kind of printed circuit board assembly line, automatic adding set of the present utility model can satisfy the making demand of different ounce's template spares, particularly satisfies the making demand of fine-line plate.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
The automatic adding set of etching liquid medicine additive on a kind of printed circuit board assembly line, comprise the detector, controller and the flow pump that are located at respectively on the etching machines, the probe of above-mentioned detector contacts with etching liquid medicine in the etching machines, and the signal output part of detector is electrically connected with the signal input part of controller; The inlet of above-mentioned flow pump is communicated with the outlet of additive container, and the flow delivery side of pump is communicated with the etching liquid medicine additive inlet of etching machines; The signal output part of above-mentioned controller is electrically connected with the signal input part of flow pump; It is characterized in that: this automatic adding set also comprises frequency converter, and above-mentioned frequency converter is located on the etching machines, and the signal output part of frequency converter is electrically connected with the signal input part of flow pump.
Owing to be connected with frequency converter on the flow pump, so, can change the operating frequency of flow pump by frequency converter, thereby change the interpolation flow of flow pump, therefore, the discharge stability of etching liquid medicine additive is good, like this, automatic adding set of the present utility model can be according to the depletion rate of etching liquid medicine in different ounce's template spare manufacturing process, select the operating frequency of flow pump, make flow pump add the etching liquid medicine additive of a great deal of automatically, make the quicker balance point that reaches setting of concentration of whole liquid medicine system, thereby dwindle the fluctuation range of plate etching process Chinese medicine aqueous systems concentration significantly, the concentration of liquid medicine system is in the less fluctuation range, thereby the concentration of liquid medicine system more tends towards stability, simultaneously, and in the interpolation process of etching liquid medicine additive, the problem that does not have the interpolation process of etching liquid medicine additive, therefore, automatic adding set of the present utility model can satisfy the making demand of different ounce's template spares, particularly satisfies the making demand of fine-line plate.Also improved simultaneously the control precision that plate is made, this is particularly important for the fine-line plate.
But described frequency converter preferably adopts the frequency converter of stepping.
Described frequency converter is provided with the operating frequency of 20Hz, 30Hz, 40Hz or 50Hz, and above-mentioned operating frequency can be switched mutually.So just, can utilize frequency converter to change the operating frequency of flow pump, thereby change the interpolation flow of flow pump, to satisfy the interpolation etching liquid medicine additive demand of different ounce's template spares.
Above-mentioned detector, controller, flow pump and frequency converter are prior art, just no longer are further introduced at this.
The utility model beneficial effect against existing technologies is, owing to be connected with frequency converter on the flow pump, so, can change the operating frequency of flow pump by frequency converter, thereby change the interpolation flow of flow pump, therefore, automatic adding set of the present utility model can be according to the depletion rate of etching liquid medicine in different ounce's template spare manufacturing process, select the operating frequency of flow pump, make flow pump add the etching liquid medicine additive of a great deal of automatically, make the quicker balance point that reaches setting of concentration of whole liquid medicine system, thereby the concentration of liquid medicine system is in the less fluctuation range, thereby the concentration of liquid medicine system more tends towards stability; Simultaneously, in the interpolation process of etching liquid medicine additive, there is not the problem of the interpolation process of etching liquid medicine additive, therefore, automatic adding set of the present utility model can satisfy the making demand of different ounce's template spares, particularly satisfies the making demand of fine-line plate.
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Description of drawings
Accompanying drawing is the block diagram of the utility model preferred embodiment.
Embodiment
As shown in drawings, the automatic adding set of etching liquid medicine additive on a kind of printed circuit board assembly line comprises the detector 1, controller 2, flow pump 3 and the frequency converter 4 that are located at respectively on the etching machines; The probe of above-mentioned detector 1 contacts with etching liquid medicine in the etching machines, and the signal output part of detector 1 is electrically connected with the signal input part of controller 2; The inlet of above-mentioned flow pump 3 is communicated with the outlet of additive container, and the outlet of flow pump 3 is communicated with the etching liquid medicine additive inlet of etching machines; The signal output part of above-mentioned controller 2 is electrically connected with the signal input part of flow pump 3; The signal output part of above-mentioned frequency converter 4 is electrically connected with the signal input part of flow pump 3.
Above-mentioned detector 1, controller 2, flow pump 3 and frequency converter 4 are prior art, it is the detector of 9552N that above-mentioned detector 1 can adopt the model of electrochemistry manufacturer production, it is the controller of 9552N that controller 2 can adopt the model of electrochemistry manufacturer production, it is the flow pump of MLHDE80652D that above-mentioned flow pump 3 can adopt the model of FUJI ELECTRIC motor Co., Ltd. manufacturer production, and it is the frequency converter of B that above-mentioned frequency converter 4 can adopt the model of VFD manufacturer production.
But above-mentioned frequency converter 4 is the frequency converter of stepping, and frequency converter 4 is provided with the operating frequency of 20Hz, 30Hz, 40Hz or 50Hz, and above-mentioned operating frequency can be switched mutually.
During use, according to the interpolation etching liquid medicine additive demand of different ounce's template spares, select the operating frequency of frequency converter 4, for example, select the operating frequency of 30Hz, like this, the operating frequency of flow pump 3 also is 30Hz; Then, the balance point of a chemical concentration is set, when the concentration that detects liquid medicine system in the etching machines when detector 1 surpasses this balance point, detector 1 sends a detection signal and gives controller 2, controller 2 is according to this detection signal, send a control signal and give flow pump 3, make flow pump 3 in etching machines, add etching liquid medicine additive automatically, make the concentration of the interior liquid medicine system of etching machines return to the balance point state again; When detector detects 1 the concentration of liquid medicine system returns to the balance point state again in etching machines, detector 1 sends another detection signal and gives controller 2, controller 2 is according to this detection signal, send another control signal and give flow pump 3, make flow pump 3 stop in etching machines, to add etching liquid medicine additive.
Like this, can change the operating frequency of flow pump 3 by frequency converter 4, thereby change the interpolation flow of flow pump 3, so, automatic adding set of the present utility model can be according to the depletion rate of etching liquid medicine in different ounce's template spare manufacturing process, select the operating frequency of flow pump 3, make flow pump 3 add the etching liquid medicine additive of a great deal of automatically, make the quicker balance point that reaches setting of concentration of whole liquid medicine system, thereby the concentration that makes the liquid medicine system is in the less fluctuation range, thereby the concentration of liquid medicine system more tends towards stability; Simultaneously, in the interpolation process of etching liquid medicine additive, there is not the problem of the interpolation process of etching liquid medicine additive, therefore, automatic adding set of the present utility model can satisfy the making demand of different ounce's template spares, particularly satisfies the making demand of fine-line plate.
In addition, in China, operating frequency under the normal voltage is 50Hz, by the frequency conversion setting, operating frequency can be changed to other littler operating frequencies, such as 20Hz, 30Hz, 40Hz or the like, therefore, under normal operating frequency, can be to satisfy the addition that high ounce's template spare is made demand with the flow set of flow pump 3, the addition demand of making according to the low ounce's template spare of difference again be provided with the different operating frequency of flow pump 3, obtain different additions, to adapt to the making demand of different ounce's template spares.
The above is preferred embodiment of the present utility model only, is not to be used for limiting practical range of the present utility model; Be all equivalents of being done according to claim scope of the present utility model, be claim scope of the present utility model and cover.
Claims (3)
1. the automatic adding set of etching liquid medicine additive on the printed circuit board assembly line, comprise the detector, controller and the flow pump that are located at respectively on the etching machines, the probe of above-mentioned detector contacts with etching liquid medicine in the etching machines, and the signal output part of detector is electrically connected with the signal input part of controller; The inlet of above-mentioned flow pump is communicated with the outlet of additive container, and the flow delivery side of pump is communicated with the etching liquid medicine additive inlet of etching machines; The signal output part of above-mentioned controller is electrically connected with the signal input part of flow pump; It is characterized in that: this automatic adding set also comprises frequency converter, and above-mentioned frequency converter is located on the etching machines, and the signal output part of frequency converter is electrically connected with the signal input part of flow pump.
2. the automatic adding set of etching liquid medicine additive on the printed circuit board assembly line as claimed in claim 1 is characterized in that: but described frequency converter adopts the frequency converter of stepping.
3. the automatic adding set of etching liquid medicine additive on the printed circuit board assembly line as claimed in claim 2, it is characterized in that: described frequency converter is provided with the operating frequency of 20Hz, 30Hz, 40Hz or 50Hz, and above-mentioned operating frequency can be switched mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020173834XU CN201663760U (en) | 2010-04-23 | 2010-04-23 | Automatic feeding device of etching solution additive for printed circuit board production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020173834XU CN201663760U (en) | 2010-04-23 | 2010-04-23 | Automatic feeding device of etching solution additive for printed circuit board production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201663760U true CN201663760U (en) | 2010-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020173834XU Expired - Fee Related CN201663760U (en) | 2010-04-23 | 2010-04-23 | Automatic feeding device of etching solution additive for printed circuit board production line |
Country Status (1)
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|---|---|
| CN (1) | CN201663760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898628A (en) * | 2015-05-29 | 2015-09-09 | 上海美维电子有限公司 | Control system and control method for circuit board production line fluid equipment |
| CN111857191A (en) * | 2019-04-25 | 2020-10-30 | 北大方正集团有限公司 | Method, device and equipment for controlling liquid medicine in circuit board manufacturing process and storage medium |
-
2010
- 2010-04-23 CN CN201020173834XU patent/CN201663760U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898628A (en) * | 2015-05-29 | 2015-09-09 | 上海美维电子有限公司 | Control system and control method for circuit board production line fluid equipment |
| CN111857191A (en) * | 2019-04-25 | 2020-10-30 | 北大方正集团有限公司 | Method, device and equipment for controlling liquid medicine in circuit board manufacturing process and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20140423 |