CN212163856U - Etching cylinder for micro-etching treatment of circuit board - Google Patents
Etching cylinder for micro-etching treatment of circuit board Download PDFInfo
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- CN212163856U CN212163856U CN202021113292.7U CN202021113292U CN212163856U CN 212163856 U CN212163856 U CN 212163856U CN 202021113292 U CN202021113292 U CN 202021113292U CN 212163856 U CN212163856 U CN 212163856U
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Abstract
The utility model relates to an etching cylinder for micro-etching treatment, in particular to an etching cylinder for micro-etching treatment of circuit boards, which comprises a cylinder body, wherein the cylinder body comprises an etching groove, an electrolytic bath and an adding groove; the top wall of the etching tank is provided with an overflow port, and the bottom of the etching tank is provided with a liquid medicine inlet and a medicine discharge port; a gap is arranged between the etching groove and the cylinder body; the overflow port and the liquid medicine inflow port are both communicated with the gap; at least one circuit board placing position is also arranged on the top wall of the etching tank; the circuit board detection component can detect whether the corresponding circuit board is placed in the circuit board placing position; the electrolytic bath is communicated with the medicine discharge port of the etching bath through a pipeline and is used for temporarily storing and recovering waste liquid generated by the etching bath; the adding groove is provided with a metering pump, the input end of the metering pump is communicated with the adding groove, and the output end of the metering pump is communicated with the electrolytic cell. The method has the advantages of ensuring the stability of the etching rate, improving the production efficiency of etching and the like.
Description
Technical Field
The utility model relates to an etching jar of microetching, especially, relate to an etching jar that is used for circuit board microetching to handle.
Background
In the production process of a Printed Circuit Board (PCB), a board needs to be subjected to microetching treatment, liquid medicine is added into an etching jar, the PCB is placed in the etching jar, and the PCB is subjected to microetching treatment by the liquid medicine to expose a fresh copper surface and make the copper surface have a certain roughness.
The existing etching cylinder comprising an etching tank and an electrolytic tank is characterized in that the etching tank is usually provided with a liquid outlet for discharging waste liquid into the electrolytic tank for electrolytic recovery, and the existing etching cylinder has the following defects:
1. the liquid medicine is easy to be directly discharged into the electrolytic bath through the liquid outlet, which causes the insufficient proportion of the liquid medicine in the etching bath and reduces the operating rate of micro-etching.
2. When the amount of the precipitated copper in the electrolytic bath is large, the copper ions are insufficient, and the electrolytic rate is influenced.
3. The temperature and time required by the microetching are not easy to control, so that the microetching process has more instability,
therefore, it is necessary to provide a technical means to solve the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide an etching jar that is used for circuit board to lose a little and handles to the low, unstable problem of operating rate who loses of etching jar among the solution prior art a little.
The utility model discloses a realize like this, an etching jar for circuit board microetching is handled, including the cylinder body: the cylinder body comprises an etching tank, an electrolytic tank and an adding tank;
the top wall of the etching tank is provided with an overflow port, and the bottom of the etching tank is provided with a liquid medicine inlet and a medicine discharge port; a gap is arranged between the etching groove and the cylinder body; the overflow port and the liquid medicine inflow port are both communicated with the gap; at least one circuit board placing position is also arranged on the top wall of the etching tank; the circuit board placing position is internally provided with a circuit board monitoring part, and the circuit board monitoring part can detect whether the corresponding circuit board is placed in the circuit board placing position;
the electrolytic bath is communicated with a medicine discharge port of the etching bath through a pipeline and is used for temporarily storing and recovering waste liquid generated by the etching bath;
install the measuring pump on adding the groove, the input of measuring pump with add the groove intercommunication, the output of measuring pump with the electrolysis trough intercommunication.
Preferably, the circuit board placing position is a groove formed on the top wall of the etching tank; the circuit board monitoring component is arranged at the bottom of the groove.
Preferably, the groove is radially arranged on the top wall of the etching groove, and the circuit board is vertically fixed in the etching groove after penetrating through the groove.
Preferably, the inner wall of the etching tank is also provided with a temperature sensing line for displaying the temperature in the etching tank.
Preferably, the wall of the electrolytic bath is provided with an overtemperature alarm device which gives an alarm when the temperature in the etching bath exceeds a set value.
The utility model discloses compare the profitable technological effect of prior art:
1. the arrangement of the adding cylinder can keep the electrolysis speed of the waste liquid in the electrolytic cell, and the quick recovery and utilization of the waste liquid are realized.
2. In the application, the additional cylinder, the temperature sensing line, the over-temperature alarm device and the circuit board detection part are used in a mutually coordinated manner, and the additional cylinder can timely supplement the electrolytic bath so as to provide a stable electrolytic environment; the condition that a new circuit board is not placed on a corresponding circuit board placing position or the circuit board is not leaked when the circuit board is etched and processed by workers to replace the circuit board is reduced, the utilization rate and the etching rate of liquid medicine are improved, and the stability of the etching rate is also ensured.
Drawings
Fig. 1 is a schematic overall structure diagram of an etching cylinder for circuit board microetching treatment according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
Referring to fig. 1, an embodiment of the present invention provides an etching cylinder for micro-etching of a circuit board 11, which is used for micro-etching of a PCB. The etching cylinder in this embodiment comprises a cylinder body 1, the cylinder body 1 comprises an etching tank 10, an electrolytic tank 20 and an adding tank 30, and the components of the microetching regeneration device of the circuit board 11 are further described as follows:
the top wall of the etching tank 10 is provided with an overflow port 13, and the bottom of the etching tank is provided with a liquid medicine inlet and a medicine discharge port; a gap 14 is arranged between the etching groove 10 and the cylinder body 1; the overflow port 13 and the liquid medicine inflow port are both communicated with the gap 14; at least one circuit board placing position 12 is also arranged on the top wall of the etching tank 10; a circuit board 11 monitoring component is arranged in the circuit board placing position 12, and the circuit board detecting component can detect whether the corresponding circuit board 11 is placed in the circuit board placing position 12; when the workman is operating, can place position 12 through the circuit board and judge whether circuit board 11 is in its corresponding circuit board places position 12, if there is the hourglass circuit board 11 in circuit board places position 12 on etching groove 10, the operation workman also can be through circuit board 11 monitoring parts and judge rapidly that there is the hourglass circuit board 11 in the circuit board places position 12, improves the operating efficiency and guarantees the utilization ratio of liquid medicine.
The electrolytic bath 20 is communicated with a medicine discharge port of the etching bath 10 through a pipeline and is used for temporarily storing and recovering waste liquid generated by the etching bath 10;
install the measuring pump on adding groove 30, the input of measuring pump with add groove 30 intercommunication, the output and the electrolysis trough 20 intercommunication of measuring pump, consequently, this application sets up the electrolysis rate that adds the jar and can keep waste liquid in the electrolysis trough 20, realize the quick recovery and the utilization of waste liquid.
Preferably, the circuit board placing positions 12 are grooves formed on the top wall of the etching bath 10; the circuit board 11 monitoring component is arranged at the bottom of the groove.
Preferably, the groove is radially arranged on the top wall of the etching bath 10, and the circuit board 11 is fixed in the etching bath 10 after vertically passing through the groove.
Preferably, the inner wall of the etching bath 10 is further provided with a temperature sensing line for displaying the temperature in the etching bath 10, so that a worker can conveniently control the stability of the etching bath 10 in the etching cylinder, the quality of the etching treatment of the circuit board 11 is improved, and the texture of the circuit board 11 after etching is more uniform.
Preferably, the wall of the electrolytic bath 20 is provided with an overtemperature alarm device which gives an alarm when the temperature in the etching bath 10 exceeds a set value, so that a worker can conveniently control the stability of the etching bath 10 in the etching cylinder, the etching treatment quality of the circuit board 11 is improved, and the etched texture of the circuit board 11 is more uniform.
In conclusion, in the application, the adding cylinder, the temperature sensing wire, the over-temperature alarm device and the circuit board detection part are used in a coordinated way, and the adding cylinder can timely supplement the electrolytic bath 20 to provide a stable electrolytic environment; the condition that a worker does not place a new circuit board 11 on the corresponding circuit board placing position 12 or leak the circuit board 11 when the circuit board 11 is etched and processed by the circuit board 11 and replaced by the circuit board 11 is reduced, the utilization rate and the etching rate of liquid medicine are improved, and the stability of the etching rate is also ensured.
The above description is only for the preferred embodiment of the present invention, and the structure is not limited to the above-mentioned shape, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides an etching jar for circuit board microetching is handled, includes the cylinder body, its characterized in that: the cylinder body comprises an etching tank, an electrolytic tank and an adding tank;
the top wall of the etching tank is provided with an overflow port, and the bottom of the etching tank is provided with a liquid medicine inlet and a medicine discharge port; a gap is arranged between the etching groove and the cylinder body; the overflow port and the liquid medicine inflow port are both communicated with the gap; at least one circuit board placing position is also arranged on the top wall of the etching tank; the circuit board placing position is internally provided with a circuit board monitoring part, and the circuit board monitoring part can detect whether the corresponding circuit board is placed in the circuit board placing position;
the electrolytic bath is communicated with a medicine discharge port of the etching bath through a pipeline and is used for temporarily storing and recovering waste liquid generated by the etching bath;
install the measuring pump on adding the groove, the input of measuring pump with add the groove intercommunication, the output of measuring pump with the electrolysis trough intercommunication.
2. An etching cylinder for circuit board microetching treatment according to claim 1, wherein: the circuit board placing position is a groove formed in the top wall of the etching tank; the circuit board monitoring component is arranged at the bottom of the groove.
3. An etching cylinder for circuit board microetching treatment according to claim 2, wherein: the groove is radially arranged on the top wall of the etching groove, and the circuit board vertically penetrates through the groove and then is fixed in the etching groove.
4. An etching cylinder for circuit board microetching treatment according to claim 1, wherein: and the inner wall of the etching tank is also provided with a temperature sensing line for displaying the temperature in the etching tank.
5. An etching cylinder for circuit board microetching treatment according to claim 1, wherein: and the wall of the electrolytic bath is provided with an overtemperature alarm device which gives an alarm when the temperature in the etching bath exceeds a set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021113292.7U CN212163856U (en) | 2020-06-16 | 2020-06-16 | Etching cylinder for micro-etching treatment of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021113292.7U CN212163856U (en) | 2020-06-16 | 2020-06-16 | Etching cylinder for micro-etching treatment of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212163856U true CN212163856U (en) | 2020-12-15 |
Family
ID=73701753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021113292.7U Active CN212163856U (en) | 2020-06-16 | 2020-06-16 | Etching cylinder for micro-etching treatment of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212163856U (en) |
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2020
- 2020-06-16 CN CN202021113292.7U patent/CN212163856U/en active Active
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