CN218336605U - PCB tin spraying surface treatment equipment capable of reducing ion pollution - Google Patents
PCB tin spraying surface treatment equipment capable of reducing ion pollution Download PDFInfo
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- CN218336605U CN218336605U CN202222376156.2U CN202222376156U CN218336605U CN 218336605 U CN218336605 U CN 218336605U CN 202222376156 U CN202222376156 U CN 202222376156U CN 218336605 U CN218336605 U CN 218336605U
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Abstract
The utility model discloses a PCB tin spraying surface treatment device for reducing ion pollution, which relates to the technical field of circuit board surface cleaning, and comprises a pressurized water washing box, a conveying unit and a pressurized water washing unit, wherein both sides of the pressurized water washing box are provided with plate penetrating openings, and the left side of the pressurized water washing box is provided with a circuit board ultrasonic cleaning device; the conveying unit comprises conveying shafts, bearings, shaft sleeves, fixing rings, spoke rods and an outer ring, wherein the middle part in the pressurized water washing tank is rotatably connected with two rows of conveying shafts which correspond up and down through the bearings; this reduce ion pollution's PCB board tin spraying surface treatment equipment increases multiple washing processing mode, improves clean effect, reduces the ion pollution on the circuit board, is applicable to the circuit board that the circuit is more and more intensive.
Description
Technical Field
The utility model relates to a circuit board surface cleaning technical field specifically is a PCB board hot air solder leveling surface treatment equipment who reduces ionic contamination.
Background
At present, in a circuit board, ions remaining on the surface of the circuit board can directly affect insulation, signals, reliability and the like among circuits, and finally the circuit board is out of work, along with the fact that the circuits in the circuit board are more and more dense, the distance among the circuits is more and more small, and the requirement on the ion residue on the surface of the circuit board is higher and more.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome current defect, provide a PCB board tin spraying surface treatment equipment who reduces ionic contamination, increase multiple washing treatment mode, improve clean effect, reduce the ionic contamination on the circuit board, be applicable to the more and more intensive circuit board of circuit, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a PCB tin spraying surface treatment device capable of reducing ion pollution comprises a pressurized water washing tank, a conveying unit and a pressurized water washing unit, wherein plate penetrating openings are formed in two sides of the pressurized water washing tank, and a circuit board ultrasonic cleaning device is installed on the left side of the pressurized water washing tank;
the conveying unit comprises conveying shafts, bearings, shaft sleeves, fixing rings, spoke rods and an outer ring, the middle part in the pressurized water washing tank is rotatably connected with two rows of conveying shafts which correspond up and down through the bearings, the shaft end of each conveying shaft in the pressurized water washing tank is fixedly sleeved with the shaft sleeve, the fixing rings are fixedly sleeved on the shaft sleeves at equal intervals, and the outer side of each fixing ring is connected with the inner side of the outer ring through the spoke rods in an annular array;
the pressurized water washing units are arranged in two rows, and the two rows of pressurized water washing units are respectively arranged on the upper side and the lower side of the interior of the pressurized water washing tank.
The pressurizing water washing box is used for installing the conveying unit and the pressurizing water washing unit, the circuit board ultrasonic cleaning device carries out ultrasonic cleaning on the circuit board, two rows of conveying shafts are driven to rotate relatively through the external power assembly, the spoke rods on the shaft sleeves drive the outer ring to rotate, the circuit board is enabled to move rightwards due to friction force generated when the outer ring rotates, the contact area with the circuit board is reduced through the outer ring, the circuit board is fully exposed under the washing of the pressurizing water washing unit, and the circuit board is washed cleanly.
Furthermore, the ultrasonic cleaning device for the circuit board further comprises a circuit board grinding device, wherein the circuit board grinding device is installed on the left side of the ultrasonic cleaning device for the circuit board, and the circuit board can be ground.
Furthermore, the circuit board overflow washing device is installed on the left side of the circuit board grinding device, and the circuit board is cleaned through overflow washing.
Furthermore, the cleaning device for the circuit board cleaning agent is further included, the cleaning device for the circuit board cleaning agent is installed on the left side of the circuit board overflow water washing device, and the circuit board is cleaned through the cleaning agent.
Further, the pressurized water washing unit includes the forcing pipe, the shower head, reinforcement subassembly and end links, the inside upside and the inside downside of pressurized water washing case are fixed with two rows of forcing pipes respectively end links, two rows of forcing pipes are close to the equidistant shower head of installing in one side at pressurized water washing case middle part, and be equipped with the reinforcement subassembly of reinforcing the shower head on the forcing pipe, the one end of forcing pipe seals and the other end connects outside water pump, outside water pump is to the interior booster pump water of forcing pipe, then upper and lower side through shower head spray circuit board, the reinforcement subassembly can improve the firm degree that shower head and forcing pipe are connected.
Further, it includes first snap ring, loose axle, second snap ring, fixing bolt and cutting ferrule to consolidate the subassembly, the one end of first snap ring is passed through the one end of loose axle swing joint second snap ring, and the middle part of second snap ring is connected with the cutting ferrule, and the cutting ferrule cup joints the periphery side at the shower head, and the snap ring that first snap ring and second snap ring constitute cup joints on the forcing pipe, and the other end of first snap ring passes through the other end of fixing bolt connection second snap ring, and first snap ring, loose axle, second snap ring pass through fixing bolt and form the clamp, and it is fixed to the clamp through the clamp, and the cutting ferrule carries on spacingly fixedly to the shower head.
Furthermore, the spray headers on the adjacent compression pipes in the same row are arranged in a staggered manner, and the spray headers at the bottom of the compression pipes in the upper row and the spray headers at the bottom of the compression pipes in the lower row are also arranged in a staggered manner, so that the spray headers can be fully sprayed to the upper side and the lower side of the circuit board.
Compared with the prior art, the beneficial effects of the utility model are that: this reduce ion pollution's PCB board hot air solder leveling surface treatment equipment has following benefit:
1. the pressurizing water washing box is used for installing the conveying unit and the pressurizing water washing unit, the circuit board ultrasonic cleaning device carries out ultrasonic cleaning on the circuit board, two rows of conveying shafts are driven to rotate relatively through the external power assembly, the spoke rods on the shaft sleeves drive the outer ring to rotate, the circuit board is enabled to move rightwards due to friction force generated when the outer ring rotates, the contact area with the circuit board is reduced through the outer ring, the circuit board is fully exposed under the washing of the pressurizing water washing unit, and the circuit board is washed cleanly.
2. And multiple cleaning treatment modes are added, the cleaning effect is improved, the ion pollution on the circuit board is reduced, and the cleaning agent is suitable for the circuit board with more and more dense circuits.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2 according to the present invention;
fig. 4 is a schematic view of the enlarged structure of the part B in fig. 2 according to the present invention.
In the figure: the device comprises a pressurized water washing tank 1, a conveying unit 2, a conveying shaft 21, a bearing 22, a shaft sleeve 23, a fixing ring 24, a spoke 25, an outer ring 26, a pressurized water washing unit 3, a pressurizing pipe 31, a spray head 32, an upper half clamping ring 33, a movable shaft 34, a lower half clamping ring 35, a fixing bolt 36, a clamping sleeve 37, an end ring 38, a drain pipe 4, a cooling floating bed 5, a circuit board hot water washing device 6, a circuit board cleaning agent washing device 7, a circuit board overflow water washing device 8, a circuit board grinding device 9, a circuit board ultrasonic wave washing device 10, a circuit board strong wind drying device 11, a board discharging table 12 and a board collecting machine 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In a first embodiment, please refer to fig. 1-4, the present invention provides a technical solution: a PCB tin spraying surface treatment device capable of reducing ion pollution comprises a pressurized water washing tank 1, a conveying unit 2 and a pressurized water washing unit 3, wherein plate penetrating openings are formed in two sides of the pressurized water washing tank 1, a circuit board ultrasonic cleaning device 10 is installed on the left side of the pressurized water washing tank 1, a drainage pipe 4 is connected to one side of the bottom of the pressurized water washing tank 1, and water in the pressurized water washing tank 1 can be collected and recycled through the drainage pipe 4;
the conveying unit 2 comprises conveying shafts 21, bearings 22, shaft sleeves 23, fixing rings 24, spoke rods 25 and an outer ring 26, the middle part in the pressurized washing tank 1 is rotatably connected with two rows of conveying shafts 21 which correspond up and down through the bearings 22, the shaft ends of the conveying shafts 21 in the pressurized washing tank 1 are fixedly sleeved with the shaft sleeves 23, the fixing rings 24 are fixedly sleeved on the shaft sleeves 23 at equal distances, and the outer side of each fixing ring 24 is connected with the inner side of the outer ring 26 through the spoke rods 25 in an annular array;
the pressurized water washing units 3 are arranged in two rows, and the two rows of pressurized water washing units 3 are respectively arranged on the upper side and the lower side of the inside of the pressurized water washing tank 1;
pressurized water washing unit 3 includes forcing pipe 31, shower head 32, reinforcement subassembly and end ring 38, the inside upside and the inside downside of pressurized water washing case 1 are fixed with two rows of forcing pipes 31 respectively end ring 38, one side equidistance that two rows of forcing pipes 31 are close to pressurized water washing case 1 middle part is installed shower head 32, and be equipped with the reinforcement subassembly of reinforcing shower head 32 on the forcing pipe 31, the one end of forcing pipe 31 is sealed and the other end is connected outside water pump, outside water pump is to forcing pipe 31 internal pressure pump water, then spray the upper and lower side of circuit board through shower head 32, the reinforcement subassembly can improve the firm degree that shower head 32 and forcing pipe 31 are connected.
The reinforcing component comprises an upper half clamping ring 33, a movable shaft 34, a lower half clamping ring 35, a fixing bolt 36 and a clamping sleeve 37, one end of the upper half clamping ring 33 is movably connected with one end of the lower half clamping ring 35 through the movable shaft 34, the clamping sleeve 37 is connected to the middle of the lower half clamping ring 35 in a sleeved mode on the periphery side of the spray head 32, the clamping ring formed by the upper half clamping ring 33 and the lower half clamping ring 35 is connected to the pressure pipe 31 in a sleeved mode, the other end of the upper half clamping ring 33 is connected with the other end of the lower half clamping ring 35 through the fixing bolt 36, the upper half clamping ring 33, the movable shaft 34 and the lower half clamping ring 35 form a clamping ring through the fixing bolt 36, the clamping sleeve 37 is fixed through the clamping ring, and the clamping sleeve 37 limits and fixes the spray head 32.
The spray headers 32 on the adjacent pressurized pipes 31 in the same row are arranged in a staggered manner, the spray headers 32 at the bottoms of the pressurized pipes 31 in the upper row and the spray headers 32 at the bottoms of the pressurized pipes 31 in the lower row are also arranged in a staggered manner, and the staggered arrangement can ensure that the spray headers can be fully sprayed to the upper side and the lower side of the circuit board;
the ultrasonic cleaning device for the circuit board further comprises a circuit board grinding device 9, wherein the circuit board grinding device 9 is installed on the left side of the ultrasonic cleaning device 10 for the circuit board, and the circuit board can be ground.
Still include circuit board overflow water washing unit 8, circuit board overflow water washing unit 8 is installed in the left side of circuit board grinding device 9, washs the circuit board through overflow water washing.
The cleaning device comprises a circuit board cleaning agent cleaning device 7, the circuit board cleaning agent cleaning device 7 is installed on the left side of a circuit board overflow water washing device 8, a circuit board is cleaned through a cleaning agent, the circuit board cleaning agent cleaning device 7 adopts a nozzle spraying mode instead of an infiltration mode, the cleaning effect is improved, the appearance of a tin surface is guaranteed, and the circuit board cleaning agent cleaning device 7 adopts a high-quality surface active cleaning agent to treat pollutants remained on the surface.
When the circuit board grinding device is used, the circuit board is washed by the circuit board detergent washing device 7, then is subjected to overflow washing by the circuit board overflow washing device 8, and then enters the circuit board grinding device 9 for grinding;
the pressurized water washing tank 1 is used for installing the conveying unit 2 and the pressurized water washing unit 3;
the circuit board ultrasonic cleaning device 10 carries out ultrasonic cleaning on the circuit board;
the two rows of conveying shafts 21 are driven to rotate relatively by an external power component, and the outer ring 26 is driven to rotate by the spoke rods 25 on the shaft sleeve 23;
the circuit board moves rightwards under the friction force generated when the outer ring 26 rotates, the contact area of the circuit board and the outer ring 26 is reduced, the circuit board is fully exposed under the washing of the pressurized washing unit 3, and the circuit board is washed clean by water.
The external power assembly comprises a servo motor, opposite gears, transmission gears and chains, the ends of the conveying shafts 21 which correspond up and down are respectively connected with the opposite gears, the opposite gears which correspond up and down are meshed with each other to enable the conveying shafts 21 which correspond up and down to rotate oppositely, the end of the upper row of conveying shafts 21 is connected with the transmission gears, the transmission gears are connected through the chains in a transmission mode, and the servo motor drives one of the conveying shafts 21 on the upper side to rotate so that the conveying unit 2 can rotate.
In a second embodiment, please refer to fig. 1, the present invention provides a technical solution: the structure of the PCB tin spraying surface treatment equipment for reducing ion pollution is substantially the same as that of the embodiment, and the difference is that:
the cleaning device comprises a cleaning tank, a circuit board cleaning agent cleaning device 7, a cooling floating bed 5, a circuit board hot water washing device 6, a cooling floating bed 5, a circuit board, a cleaning agent washing device 6, a circuit board hot water washing device 6 and a cleaning agent washing device 6, wherein the circuit board is arranged on the left side of the circuit board cleaning agent washing device 7, the cooling floating bed 5 is arranged on the left side of the circuit board hot water washing device 6, the circuit board is cooled through the cooling floating bed 5 before being cleaned by the cleaning agent, then the circuit board enters the circuit board hot water washing device 6 to be subjected to hot water washing operation, the cleaning effect is improved, hot water washing of the circuit board hot water washing device 6 is placed on the front section of a cleaning agent tank and keeps the same temperature with the cleaning agent tank body, the problems of liquid medicine aging and poor cleaning effect of the cleaning tank are prevented, and the ion pollution value or the trend line can meet the requirements of customers;
in a third embodiment, please refer to fig. 1, the present invention provides a technical solution: the structure of the PCB tin spraying surface treatment equipment for reducing ion pollution is substantially the same as that of the second embodiment, and the difference is that:
still including circuit board strong wind weathers device 11, play board platform 12, board collecting device 13, the position that the board mouth was worn to pressurization washing case 1 right side correspondence is provided with circuit board strong wind weathers device 11, circuit board strong wind weathers the right side of device 11 and installs out board platform 12, it is provided with board collecting device 13 on the board platform 12 to go out, circuit board through pressurization washing case 1 and pressurization washing unit 3 after the pressurization washing enters into circuit board strong wind and weathers in the device 11 and carry out the strong wind operation of weathering, then board collecting device 13 through going out on board platform 12 is received the circuit board.
It should be noted that the cooling floating bed 5, the circuit board hot water washing device 6, the circuit board cleaning agent washing device 7, the circuit board overflow water washing device 8, the circuit board grinding device 9, the circuit board ultrasonic cleaning device 10, the circuit board strong wind drying device 11 and the board collecting device 13 in the above embodiments can adopt the prior art as required.
The treatment process of the circuit board comprises the steps of cooling a floating bed, washing with hot water, washing with a cleaning agent, flushing with sewage, washing with overflow, washing with high-pressure water, grinding a board, cleaning with ultrasonic waves, washing with pressurized water, drying with strong wind and discharging the board, and the cleaning effect is improved by using a specially designed process and module;
firstly, hot water washing is used for removing the FLUX remained after tin spraying, the temperature close to the cleaning agent is ensured to ensure that the board after hot water washing enters a cleaning cylinder to obtain good saponification effect, then sewage is washed away, and then high-pressure washing is carried out, so that most of various ions are cleaned;
and then, the residual ions enter a grinding plate to grind off the redundant tin slag and other impurities on the board surface, and the residual ions at all corners of the whole board surface, especially the VIA holes or the Solder mask windows are deeply washed off by ultrasonic waves, hot water washing, high-pressure washing and overflow washing, so that the residual ions are ensured to be in a required range or close to 0, and an extremely clean board surface is obtained.
1) The cleaning process of the deionization cleaning line is innovated, and the cleaning agent, high-pressure cleaning, ultrasonic cleaning and other mold sections are introduced;
2) The design method of each module is innovated, and the cleaning effect is unified, wherein the cleaning effect comprises that the cleaning agent is washed in the front section of the cleaning agent cylinder by hot water, and the temperature is consistent with that of the cleaning agent cylinder;
3) Creates the good combination of the cleaning effect of the cleaning agent and the product quality, and improves the processing capacity of surface cleaning.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The PCB tin spraying surface treatment equipment capable of reducing ion pollution is characterized by comprising a pressurized water washing tank (1), a conveying unit (2) and a pressurized water washing unit (3), wherein plate penetrating openings are formed in two sides of the pressurized water washing tank (1), and a circuit board ultrasonic cleaning device (10) is installed on the left side of the pressurized water washing tank (1);
the conveying unit (2) comprises conveying shafts (21), bearings (22), shaft sleeves (23), fixing rings (24), spoke rods (25) and an outer ring (26), wherein the middle part in the pressurized washing tank (1) is rotatably connected with two rows of conveying shafts (21) which correspond up and down through the bearings (22), the shaft end of each conveying shaft (21) in the pressurized washing tank (1) is fixedly sleeved with the corresponding shaft sleeve (23), the shaft sleeves (23) are fixedly sleeved with the fixing rings (24) at equal intervals, and the outer side of each fixing ring (24) is connected with the inner side of the outer ring (26) through the spoke rods (25) in an annular array;
the pressurized water washing units (3) are arranged in two rows, and the two rows of pressurized water washing units (3) are respectively arranged on the upper side and the lower side of the inside of the pressurized water washing tank (1).
2. The PCB tin spraying surface treatment equipment for reducing ion pollution according to claim 1, wherein: the ultrasonic cleaning device for the circuit board is characterized by further comprising a circuit board grinding device (9), wherein the circuit board grinding device (9) is installed on the left side of the circuit board ultrasonic cleaning device (10).
3. The PCB hot air solder leveling surface treatment device for reducing ion pollution according to claim 2, characterized in that: still include circuit board overflow water washing unit (8), circuit board overflow water washing unit (8) are installed in the left side of circuit board grinding device (9).
4. The PCB tin spraying surface treatment equipment for reducing ion pollution according to claim 3, wherein: the cleaning device for the circuit board cleaning agent is characterized by further comprising a circuit board cleaning agent cleaning device (7), wherein the circuit board cleaning agent cleaning device (7) is installed on the left side of the circuit board overflow water washing device (8).
5. The PCB tin spraying surface treatment equipment for reducing ion pollution according to claim 1, wherein: the pressurized water washing unit (3) comprises a pressurizing pipe (31), a spray header (32), a reinforcing assembly and end rings (38), wherein two rows of pressurizing pipes (31) are fixed on the inner upper side and the inner lower side of the pressurized water washing tank (1) respectively through the end rings (38), the spray headers (32) are installed on one side, close to the middle of the pressurized water washing tank (1), of the two rows of pressurizing pipes (31) at equal intervals, and the reinforcing assembly for reinforcing the spray header (32) is arranged on the pressurizing pipes (31).
6. The PCB tin spraying surface treatment equipment for reducing ion pollution according to claim 5, wherein: the reinforced component comprises an upper half clamping ring (33), a movable shaft (34), a lower half clamping ring (35), a fixing bolt (36) and a clamping sleeve (37), one end of the upper half clamping ring (33) is movably connected with one end of the lower half clamping ring (35) through the movable shaft (34), the clamping sleeve (37) is connected to the middle of the lower half clamping ring (35), the clamping sleeve (37) is sleeved on the periphery of the spray header (32), the clamping ring formed by the upper half clamping ring (33) and the lower half clamping ring (35) is sleeved on the pressure pipe (31), and the other end of the upper half clamping ring (33) is connected with the other end of the lower half clamping ring (35) through the fixing bolt (36).
7. The PCB tin spraying surface treatment equipment for reducing ion pollution according to claim 5 or 6, wherein: the spray headers (32) on the adjacent pressure pipes (31) in the same row are arranged in a staggered way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222376156.2U CN218336605U (en) | 2022-09-07 | 2022-09-07 | PCB tin spraying surface treatment equipment capable of reducing ion pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222376156.2U CN218336605U (en) | 2022-09-07 | 2022-09-07 | PCB tin spraying surface treatment equipment capable of reducing ion pollution |
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| Publication Number | Publication Date |
|---|---|
| CN218336605U true CN218336605U (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222376156.2U Active CN218336605U (en) | 2022-09-07 | 2022-09-07 | PCB tin spraying surface treatment equipment capable of reducing ion pollution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117082757A (en) * | 2023-08-31 | 2023-11-17 | 涟水县苏杭科技有限公司 | Single ion pollution control method applied to PCB tin spraying |
-
2022
- 2022-09-07 CN CN202222376156.2U patent/CN218336605U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117082757A (en) * | 2023-08-31 | 2023-11-17 | 涟水县苏杭科技有限公司 | Single ion pollution control method applied to PCB tin spraying |
| CN117082757B (en) * | 2023-08-31 | 2024-04-12 | 涟水县苏杭科技有限公司 | Single ion pollution control method applied to PCB tin spraying |
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