CN210351806U - PCB sinks silver production line, sinks silver liquid medicine supply control system - Google Patents
PCB sinks silver production line, sinks silver liquid medicine supply control system Download PDFInfo
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- CN210351806U CN210351806U CN201920904968.5U CN201920904968U CN210351806U CN 210351806 U CN210351806 U CN 210351806U CN 201920904968 U CN201920904968 U CN 201920904968U CN 210351806 U CN210351806 U CN 210351806U
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Abstract
The utility model discloses a PCB silver deposition production line and silver deposition liquid medicine supply control system, the utility model discloses a silver deposition liquid medicine supply control system, board number acquisition module, information acquisition module combine controller control liquid medicine supply module to realize silver deposition liquid medicine automatic supply; in addition, the PCB silver immersion production line utilizes a silver immersion liquid medicine supply control system, a silver immersion groove and a conveying device to realize automatic supply and production of silver immersion technology, and effectively improves silver immersion production efficiency.
Description
Technical Field
The utility model belongs to the technical field of the PCB preparation and specifically relates to a PCB sinks silver production line, sinks silver liquid medicine supply control system.
Background
To meet the stringent requirements of the electronics industry for the disabling of lead, the printed circuit board industry is gradually shifting the final surface treatment from hot air leveling of lead-tin to other surface treatments such as silver immersion, tin immersion, chemical nickel immersion gold, and organic protective films. Among them, the silver immersion process is considered to be the best choice for the final surface treatment method due to its excellent performance and reasonable cost.
The PCB silver immersion process is realized based on the principle of replacement reaction between silver ions in a solution and metal copper on a Printed Circuit Board (PCB), therefore, in the actual production process, along with the improvement of yield, the copper content is improved, the consumption of liquid medicine in a silver immersion groove can greatly rise, the silver ions need to be supplemented to ensure normal production, the known supplementing mode is that the silver immersion liquid medicine is manually supplemented, the production efficiency is low, and the silver immersion effect is easily poor due to untimely liquid medicine supplement, and the improvement on the technology is urgently needed.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model discloses an aim at provides a heavy silver liquid medicine supply control system for the supply of the heavy silver liquid medicine of control, and provide a PCB heavy silver production line, be used for accomplishing the heavy silver operation of PCB.
The utility model adopts the technical proposal that:
in a first aspect, the utility model provides a silver-deposition liquid medicine supply control system is applied to PCB silver-deposition production line, PCB silver-deposition production line is including being equipped with silver-deposition groove and the conveyer of silver-deposition liquid medicine, conveyer is used for carrying the PCB board extremely silver-deposition inslot, silver-deposition liquid medicine supply control system is including being used for acquireing the entering the board number of the PCB board of silver-deposition groove acquires the module, is used for acquireing the product information's of PCB board information acquisition module, controller and be used for to the liquid medicine supply module of replenishing liquid medicine in the silver-deposition groove, the board number acquire the output of module with the input of controller is connected, the output of information acquisition module with the input of controller is connected, the output of controller with the input of liquid medicine supply module is connected.
Further, the plate number acquisition module comprises an infrared probe, and the infrared probe is arranged on one side of the silver immersion groove in the plate feeding direction.
Further, the controller comprises a computer or a single chip microcomputer.
Further, the information acquisition module comprises a keyboard or a touch screen.
Furthermore, the liquid medicine replenishing module comprises a replenishing liquid medicine storage device and an electric control valve, the replenishing liquid medicine storage device is communicated with the silver precipitation tank, the electric control valve is used for controlling whether the replenishing liquid medicine storage device outputs replenishing liquid medicine to the silver precipitation tank, and the output end of the controller is connected with the control end of the electric control valve.
Further, the output end of the chemical supply liquid storage device is arranged on one side of the silver precipitation tank in the plate feeding direction.
Furthermore, the liquid medicine replenishing module further comprises a heating module and/or a cooling module, the heating module is used for heating the replenishing liquid medicine, the cooling module is used for reducing the temperature of the replenishing liquid medicine, and the output end of the controller is connected with the input end of the heating module and the input end of the cooling module respectively.
In a second aspect, the utility model provides a PCB sinks silver production line, including the silver groove that sinks, conveyer and the silver liquid medicine supply control system that sinks that are equipped with heavy silver liquid medicine, conveyer be used for carrying the PCB board extremely sink in the silver inslot.
Further, the PCB silver immersion production line further comprises an automatic board feeding device, and the automatic board feeding device is used for transporting the PCB to the transporting device.
The utility model has the advantages that:
the utility model discloses a silver sinking liquid medicine supply control system is provided with the board number acquisition module that acquires the number of the PCB board that gets into the silver sinking groove and the information acquisition module that acquires the product information of PCB board, and board number acquisition module, information acquisition module combine controller control liquid medicine supply module to realize silver sinking liquid medicine automatic supply, overcome the technical problem that silver sinking production technology utilizes artifical manual supply liquid medicine among the prior art, production efficiency is low and silver sinking effect is not good; in addition, the PCB silver immersion production line utilizes a silver immersion liquid medicine supply control system, a silver immersion groove and a conveying device to realize automatic supply and production of silver immersion technology, and effectively improves silver immersion production efficiency.
In addition, because the numerical value of the silver rate of sinking in the silver groove steadilys decrease inwards from advancing the board direction, consequently, the utility model discloses still set up the output setting of liquid medicine supply module in the board direction one side of advancing of silver groove of sinking, from the regional supply that begins of high silver rate of sinking promptly to make liquid medicine distribute evenly in silver groove of sinking, ensure that the liquid medicine concentration of each department is unanimous in the silver groove of sinking.
Drawings
Fig. 1 is a schematic view of a PCB silver immersion production line according to an embodiment of the present invention;
fig. 2 is a schematic position diagram of an embodiment of the plate number obtaining module and the PCB of the silver immersion liquid medicine replenishment control system of the present invention in one direction;
fig. 3 is a schematic position diagram of an embodiment of the plate number obtaining module and the PCB plate of the silver immersion liquid medicine replenishment control system of the present invention in another direction;
the system comprises a PCB (printed circuit board), 2-infrared probes, 3-silver depositing grooves, 4-rollers, 5-shifting pieces, 6-supply boxes, 7-heating modules, 8-electromagnetic valves, 9-infrared rays, 10-solar panel turnover machines, 11-pipelines and 12-outer frames.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Referring to fig. 1, fig. 1 is a schematic view of a PCB silver deposition line according to an embodiment of the present invention; the PCB silver immersion production line comprises an automatic board feeding device, a silver immersion groove 3 filled with silver immersion liquid medicine, a conveying device and a silver immersion liquid medicine supply control system, wherein the automatic board feeding device is used for conveying the PCB board 1 to the conveying device; the conveying device is used for conveying the PCB 1 to the silver immersion groove 3, in the embodiment, the conveying device is used for conveying the PCB 1 to pass through the silver immersion groove 3, namely, the PCB moves from the board inlet direction of the silver immersion groove 3 to the board outlet direction of the silver immersion groove 3, and the PCB 1 finishes the silver immersion operation after passing through the silver immersion groove 3; silver-settling liquid medicine supply control system obtains the module including the board number that is used for acquireing the PCB board 1's that gets into silver-settling tank figure, an information acquisition module for obtaining the product information of PCB board, a controller and a liquid medicine supply module that is arranged in to silver-settling tank 3 supply liquid medicine, the product information of PCB board includes the board size, the PCB board is thick, the face is plated on the front, the reverse side is plated the face, it is thick etc. to require silver, the output setting of liquid medicine supply module is in silver-settling tank 3's income board direction one side, the output of board number acquisition module is connected with the input of controller and is sent PCB board 1's figure to the controller, the output of information acquisition module is connected with the input of controller in order to send PCB board 1's product information to the controller, the output of controller is connected with the input of liquid medicine supply module.
In the silver immersion liquid medicine supply control system, the plate number acquisition module and the information acquisition module are combined with the controller to control the liquid medicine supply module to realize automatic supply of the silver immersion liquid medicine, so that the technical problems of low production efficiency and poor silver immersion effect due to the fact that the liquid medicine is manually supplied by a silver immersion production process in the prior art are solved; in addition, because the numerical value of the silver rate of sinking in the silver groove of sinking is steadilyd decrease to the play board direction from advancing the board direction, consequently, the utility model discloses set up the output setting of liquid medicine supply module in the board direction one side of advancing in silver groove of sinking, from the regional supply that begins of the silver rate of sinking of height in silver groove promptly to make liquid medicine even in silver groove of sinking distributes, ensure that the liquid medicine concentration of each department is unanimous in silver groove of sinking, effectively ensure the silver effect of sinking of PCB board. And the PCB silver immersion production line utilizes a silver immersion liquid medicine supply control system, a silver immersion groove and a conveying device to realize automatic supply and production of the silver immersion process, and effectively improves the silver immersion production efficiency.
Referring to fig. 1 to 3, fig. 2 is a schematic position diagram of a specific embodiment of the plate number obtaining module and the PCB of the silver sinking liquid medicine replenishing control system of the present invention in one direction, and fig. 3 is a schematic position diagram of a specific embodiment of the plate number obtaining module and the PCB of the silver sinking liquid medicine replenishing control system of the present invention in another direction; the PCB silver deposition production line is explained in detail as follows:
in the embodiment, the automatic board loading device adopts the solar panel turnover machine 10, the clamping piece gap of the solar panel turnover machine 10 can be adjusted according to different PCB thickness information, and the PCB 1 can be stably clamped; the speed (rotation speed) of the turning plate can be adjusted, and the distance between the front PCB 1 and the rear PCB 1 can be defined by user according to the speed of the turning plate. The solar panel turnover machine 10 is used for carrying the PCB 1 to a conveying device, wherein the conveying device comprises a conveying belt consisting of a plurality of conveying rollers 4 used for realizing article conveying, the conveying rollers 4 rotate to drive the PCB 1 to move linearly to realize forward conveying, the conveying device comprises an upper conveying roller 4 and a lower conveying roller 4, liquid medicine can float the PCB by buoyancy, and the upper conveying roller 4 is used for pressing the panel surface; on the other hand, the conveying stability is improved, the upper conveying roller 4 and the lower conveying roller 4 are used for transmission, and the speed is well controlled and stable. And the board number acquisition module includes infrared probe 2, and infrared probe 2 sets up in the board direction one side of sinking silver groove 3, and specifically, infrared probe 2 sets up the side at silver groove 3 (board direction) of sinking to the realization is to the count of getting into PCB board 1 of silver groove 3 of sinking. It should be noted that the transportation device further includes a dial 5 and a dial control device (not shown), the dial control device includes a manipulator or a cylinder, before the infrared probe collects signals of the PCB, the dial control device controls the dials 5 on two sides to move towards the middle to adjust the PCB 1 to the center of the transportation belt, and then the infrared rays 9 emitted by the infrared probe 2 can cover the complete contour of the PCB 1 to count the PCB 1. Referring to fig. 1, the periphery of the silver immersion groove 3 is further covered with an outer frame 12, and the outer frame 12 is used for preventing external dust or polluting gas from entering the silver immersion groove 3, so as to avoid polluting and damaging the silver immersion environment and influencing the silver immersion quality of the PCB.
Further, the controller comprises a computer or a single chip microcomputer to realize data processing and replenishment control, and the information acquisition module can be a keyboard or a touch screen correspondingly to realize data input. The liquid medicine replenishing module comprises a replenishing liquid medicine storage device, a pump and an electric control valve, wherein the electric control valve is used for controlling whether the replenishing liquid medicine storage device outputs replenishing liquid medicine to the silver precipitation tank or not, the output end of the controller is connected with the control end of the electric control valve to control the work of the electric control valve, and when the liquid medicine needs to be replenished, the controller controls the electric control valve to be opened and pumps the replenishing liquid medicine from the replenishing liquid medicine storage device by the pump to enable the replenishing liquid medicine to flow into the silver precipitation tank. Referring to fig. 1, in this embodiment, the replenishing water storage device is a replenishing box 6, the electronic control valve is implemented by using an electromagnetic valve 8, the replenishing box 6 is communicated with the silver deposition tank 3 through a pipeline 11, and an outlet of the pipeline 11 is arranged in the front of the silver deposition tank 3 (the area with the maximum silver deposition rate), so that replenishing liquid medicine directly contacts the board surface of the PCB board 1, an outlet of the pipeline 11 is arranged in a high silver deposition rate area (the area with the fast liquid medicine consumption) of the silver deposition tank 3, so that the liquid medicine components around the board surface of the PCB board are directly adjusted, the concentration around the board surface is maintained at a stable level, the liquid medicine concentration at each position of the silver deposition tank 3 is uniformly distributed, and the silver deposition effect of the PCB board is ensured.
Since the silver deposition rate is dependent on the reduction rate of silver ions, the silver deposition rate increases with increasing silver ion concentration, solution agitation, and temperature. In order to enable the replenishing water energy to rapidly participate in the PCB surface reaction without reducing the rate of the copper-silver displacement reaction, the liquid medicine replenishing module further comprises a heating module and/or a cooling module, the heating module is used for heating the replenishing liquid medicine, the cooling module is used for reducing the temperature of the replenishing liquid medicine, the output end of the controller is respectively connected with the input end of the heating module and the input end of the cooling module, the heating module and the cooling module are arranged so that the replenishing water energy can be maintained at a certain temperature, the replenishing water and the silver immersion liquid medicine in the silver immersion tank are consistent in temperature, specifically, the heating module 7 can be realized by adopting a heating pipe, the cooling module can be realized by adopting a cooling pipe, and when the liquid medicine replenishing module does not comprise the heating module but comprises the cooling module, the cooling pipe can be arranged at the position of the heating module 7. In order to prevent the concentration of the chemical liquid in the silver settling tank from exceeding the standard and change the silver settling rate, silver settling chemical liquid with proper concentration needs to be configured as the replenishing chemical liquid, and the concentration of the replenishing chemical liquid is greater than or equal to the concentration of the chemical liquid in the silver settling tank, so that the concentration of the chemical liquid in the replenished silver settling tank is stable. In this embodiment, the bath solution temperature of the silver immersion tank is stable, and the silver concentration of the silver immersion tank is stable, so the silver immersion rate is stable, and therefore, the requirement for the silver thickness of different types of PCBs can be realized by changing the linear speed of the transportation device (i.e., the residence time of the PCB in the silver immersion tank).
While the preferred embodiments of the present invention have been described, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (9)
1. A silver immersion liquid medicine supply control system is applied to a PCB silver immersion production line, the PCB silver immersion production line comprises a silver immersion groove filled with silver immersion liquid medicine and a transportation device, the transportation device is used for transporting a PCB board to the silver immersion groove, and the system is characterized in that,
the silver sinking liquid medicine supply control system comprises a board number acquisition module, an information acquisition module, a controller and a liquid medicine supply module, wherein the board number acquisition module is used for acquiring the number of the PCB boards entering the silver sinking groove, the information acquisition module is used for acquiring product information of the PCB boards, the liquid medicine supply module is used for supplying liquid medicine to the silver sinking groove, the output end of the board number acquisition module is connected with the input end of the controller, the output end of the information acquisition module is connected with the input end of the controller, and the output end of the controller is connected with the input end of the liquid medicine supply module.
2. The silver immersion liquid medicine replenishment control system according to claim 1, wherein the plate number acquisition module includes an infrared probe, and the infrared probe is disposed on one side of the silver immersion tank in the plate feeding direction.
3. The silver precipitating liquid medicine replenishment control system of claim 1, wherein the controller comprises a computer or a single chip microcomputer.
4. The silver sinking liquid medicine replenishment control system of claim 1, wherein the information acquisition module comprises a keyboard or a touch screen.
5. The silver immersion liquid medicine supply control system according to any one of claims 1 to 4, wherein the liquid medicine supply module comprises a supply liquid medicine storage device and an electric control valve, the supply liquid medicine storage device is communicated with the silver immersion tank, the electric control valve is used for controlling whether the supply liquid medicine storage device outputs supply liquid medicine to the silver immersion tank, and the output end of the controller is connected with the control end of the electric control valve.
6. The silver immersion liquid medicine replenishment control system according to claim 5, wherein an output end of the replenishment liquid medicine storage device is provided on a side of the silver immersion tank in a plate feeding direction.
7. The silver sinking liquid medicine supply control system of claim 5, wherein the liquid medicine supply module further comprises a heating module and/or a cooling module, the heating module is used for heating the supply liquid medicine, the cooling module is used for reducing the temperature of the supply liquid medicine, and the output end of the controller is respectively connected with the input end of the heating module and the input end of the cooling module.
8. A PCB silver immersion production line, comprising a silver immersion tank containing a silver immersion liquid, a transportation device for transporting a PCB board into the silver immersion tank, and the silver immersion liquid replenishment control system of any one of claims 1 to 7.
9. The PCB silver immersion production line of claim 8, further comprising an automatic plate loading device for transporting the PCB plate onto the transporting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920904968.5U CN210351806U (en) | 2019-06-17 | 2019-06-17 | PCB sinks silver production line, sinks silver liquid medicine supply control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920904968.5U CN210351806U (en) | 2019-06-17 | 2019-06-17 | PCB sinks silver production line, sinks silver liquid medicine supply control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210351806U true CN210351806U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920904968.5U Expired - Fee Related CN210351806U (en) | 2019-06-17 | 2019-06-17 | PCB sinks silver production line, sinks silver liquid medicine supply control system |
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| CN (1) | CN210351806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234203A (en) * | 2019-06-17 | 2019-09-13 | 广州兴森快捷电路科技有限公司 | A kind of heavy silver-colored production line of PCB, heavy silver-colored liquid medicine supply control system and its method |
-
2019
- 2019-06-17 CN CN201920904968.5U patent/CN210351806U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234203A (en) * | 2019-06-17 | 2019-09-13 | 广州兴森快捷电路科技有限公司 | A kind of heavy silver-colored production line of PCB, heavy silver-colored liquid medicine supply control system and its method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20200417 |