阅读说明：本技术 一种线路板加工龙门线槽液减少带出的喷淋装置 (Spraying device for reducing liquid in circuit board processing gantry line tank and bringing out ) 是由 许校彬 邹康军 张德剑 邵勇 樊佳 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种线路板加工龙门线槽液减少带出的喷淋装置,设有喷淋组件、吊篮组件、龙门架、沉金药液槽、储蓄槽、出水管和出水泵,当吊篮组件被龙门架吊离沉金药液槽时,由出水泵加压使储蓄槽内的纯水流经出水管进入喷淋组件,由喷淋组件向吊篮组件上多块线路板喷洒纯水,将吊篮组件上多块线路板表面的残留金液用纯水带回沉金药液槽中,从而实现回收残留金液的作用。此外,由于原有的沉金药液槽的温度较高,导致水分蒸发以及吊篮组件上多块线路板带出的水分较多,因此需要人工在固定时间内往沉金药液槽添加数升纯水,操作步骤较繁琐,本发明的喷淋装置运行后可避免人工忘记添加纯水使沉金药液槽中的液位过低,而导致漏镀的情况。(The invention discloses a spraying device for reducing carry-over of a circuit board processing gantry line groove liquid, which is provided with a spraying assembly, a hanging basket assembly, a portal frame, a gold immersion liquid medicine groove, a storage groove, a water outlet pipe and a water outlet pump. In addition, because the temperature of the original immersion gold liquid medicine tank is higher, the water evaporation is caused, and more water is brought out by a plurality of circuit boards on the hanging basket component, so that a plurality of liters of pure water needs to be manually added into the immersion gold liquid medicine tank within a fixed time, and the operation steps are more complicated.)

1. The utility model provides a spray set that circuit board processing gantry line groove liquid reduces to take over which characterized in that: the device comprises a spraying assembly, a hanging basket assembly, a portal frame and a gold immersion liquid medicine groove, wherein the gold immersion liquid medicine groove is used for carrying out gold immersion operation on a circuit board, the hanging basket assembly is fixed on the portal frame, and the hanging basket assembly is used for containing the circuit board; the spraying assembly is installed on the hanging basket assembly, the spraying assembly is connected with a storage tank, and pure water is stored in the storage tank.

2. The spray assembly of claim 1 for reducing carryover of circuit board processing gantry line bath solution, wherein: the spraying assembly comprises a spraying pipe, the spraying pipe is provided with a plurality of nozzles, the nozzles are sequentially and uniformly arranged on the spraying pipe, and the spraying pipe is connected with the storage tank through a water outlet pipe.

3. The spray assembly of claim 2 for reduced carryover of circuit board processing gantry line bath solution, wherein: the storage tank is connected with a water outlet pump.

4. The spray assembly of claim 3 for reducing carryover of circuit board processing gantry line bath solution, wherein: the spraying assembly is connected with the outlet pipe, through going out water piping connection between spraying assembly and the savings groove, the outlet pipe is arranged in with the pure water drainage in the savings groove to the shower and through a plurality of the nozzle sprays to the circuit board of hanging flower basket subassembly splendid attire.

5. The spray assembly of claim 4 for reducing carryover of circuit board processing gantry line bath solution, wherein: the portal frame comprises a support frame and a suspension piece, and the suspension piece is arranged on the support frame.

6. The spray assembly of claim 5 for reducing carryover of circuit board processing gantry line bath solution, wherein: the hanging basket assembly comprises a mother basket hanger and a plurality of plate-carrying baskets, the mother basket hanger is arranged on the suspension piece, the suspension piece is used for driving the mother basket hanger to move towards or away from the direction of the liquid medicine groove, the plate-carrying baskets are respectively placed on the mother basket hanger, the plate-carrying baskets are used for containing circuit boards, the storage groove and the water outlet pump are fixedly arranged on the suspension piece, and the spray pipe is installed on the mother basket hanger.

7. The spray assembly of claim 6 for reducing carryover of circuit board processing gantry line bath solution, wherein: the LED bactericidal lamp is laid on the inner wall of the storage tank and used for sterilizing and disinfecting the pure water in the storage tank; the LED bactericidal lamp is in a spiral structure and is detachably connected with the storage tank;

the LED bactericidal lamp comprises a connecting seat, a chassis and a lamp tube, wherein the connecting seat is connected with the chassis, and the chassis is connected with the lamp tube; the storage tank is provided with a groove, the groove is matched with the chassis, and the chassis is connected with the storage tank through the groove; the LED sterilizing lamp is characterized in that the chassis is provided with a spiral outer ring, the groove is provided with a spiral inner ring matched with the spiral outer ring, and the spiral outer ring of the chassis is screwed into the spiral inner ring of the groove to fix the LED sterilizing lamp and the storage tank.

8. The spray assembly of claim 7 for reducing carryover of circuit board processing gantry line bath solution, wherein: be equipped with the mobile device above the shower, the nozzle with the mobile device is articulated, the mobile device side is equipped with first hydraulic means, first hydraulic means's the other end is articulated with the nozzle, be equipped with the flow control device in the nozzle, the delivery port department of nozzle is equipped with water column diameter controlling means, the flow control device is including locating the perpendicular plate on two pairs of sides relatively in the nozzle, the plate be close to the articulated flow control board that is equipped with of one end of nozzle disc central axis, just be equipped with the second hydraulic means with flow control board corresponding position department in the inner wall of nozzle, the other end and the flow control board of second hydraulic means are articulated mutually.

9. The spray assembly of claim 8 for reducing carryover of circuit board processing gantry line bath solution, wherein: the spray pipe is provided with one nozzle every 10-30cm, and the distance between every two adjacent nozzles is equal.

10. The spray assembly of any one of claims 6-9 for reducing carryover of bath solution from a circuit board processing gantry, further comprising: also included is a method of reducing carryover of bath solution using the spray apparatus, the method comprising the steps of:

s1, immersing the cradle component and the circuit board placed on the cradle component into the immersion gold liquid medicine groove by the portal frame;

s2, hanging the hanging basket assembly and the circuit board on the hanging basket assembly from the immersion gold liquid medicine groove by a portal frame;

s3, the water outlet pump makes the pure water in the storage tank flow through the water outlet pipe and enter the spray pipe;

s4, spraying the pure water to a circuit board placed on the carrier plate basket through a nozzle of the spray pipe after passing through the spray pipe;

s5, the moving device controls the distance between the nozzle and the circuit board on the hanging basket component, thereby controlling the water pressure of the nozzle for spraying pure water to the circuit board on the hanging basket component;

s6, controlling the angle of the nozzle by the first hydraulic device, and adjusting the angle by matching with the moving device, thereby controlling the angle of the nozzle spraying pure water to the circuit board on the hanging basket component;

s7, the flow control device controls the angle of the flow control plate so as to control the water yield and the water speed of the nozzle;

s8, the water column diameter control device controls the extension and retraction of the arc-shaped plate to control the water pressure of the nozzle for spraying the pure water;

and S9, the residual gold liquid on the surface of each circuit board on the plate-carrying sub-basket is brought back to the gold immersion liquid medicine tank by pure water.

Technical Field

The invention relates to the technical field of printed circuit board manufacturing, in particular to a spraying device for reducing the carrying-out of a circuit board processing gantry line tank liquid.

Background

The circuit board is also called as PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc., many procedures in the circuit board industry have gantry lines, especially the procedures of gold deposition, copper plating, etc.

The portal line hanger (female basket) carries a secondary basket (main carrier plate tool), and when the gantry line hanger is lifted from one liquid medicine tank to another tank according to the program setting, no matter how long the gantry line hanger stays after being lifted, more tank liquor can be taken out, and waste is caused. In addition, original cell body temperature is higher, and the moisture that leads to water evaporation and polylith circuit board to bring out is more, needs the manual work to add several liters of pure water to heavy golden liquid medicine groove in fixed time, if the manual work forgets to add the liquid level that will make in the heavy golden liquid medicine groove and hang down and lead to the condition of lou plating.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a spraying device for reducing carry-over of a circuit board processing gantry line tank liquid, aiming at solving the problems of carry-over of residual gold liquid and plating leakage caused by too low liquid level in a gold immersion liquid tank caused by manual forgetting to add pure water.

The technical scheme adopted by the invention for solving the technical problems is as follows: a spraying device for reducing carry-over of a circuit board processing gantry line tank liquid comprises a spraying assembly, a hanging basket assembly, a gantry frame and a gold immersion liquid tank, wherein the gold immersion liquid tank is used for performing gold immersion operation on a circuit board, the hanging basket assembly is fixed on the gantry frame, and the hanging basket assembly is used for containing the circuit board; the spraying assembly is installed on the hanging basket assembly, the spraying assembly is connected with a storage tank, and the storage tank is used for storing pure water.

As a further improvement of the invention: the spraying assembly comprises a spraying pipe, the spraying pipe is provided with a plurality of nozzles, the nozzles are sequentially and uniformly arranged on the spraying pipe, and the spraying pipe is connected with the storage tank through a water outlet pipe. The pure water in the storage tank flows through the spray pipes and is sprayed to a plurality of circuit boards placed on the hanging basket assembly through the nozzles of the spray pipes, and the residual gold liquid on the surfaces of the circuit boards is brought back to the gold precipitation liquid medicine tank through the pure water, so that the effect of recovering the residual gold liquid is realized.

As a further improvement of the invention: the saving groove is connected with a water outlet pump, and the water outlet pump accelerates the water outlet speed of the saving groove.

As a further improvement of the invention: the spraying assembly is connected with the outlet pipe, through going out water piping connection between spraying assembly and the savings groove, the outlet pipe is arranged in with the pure water drainage in the savings groove to the shower and through a plurality of the nozzle sprays to the circuit board of hanging flower basket subassembly splendid attire.

As a further improvement of the invention: the portal frame comprises a support frame and a suspension piece, and the suspension piece is arranged on the support frame.

As a further improvement of the invention: the hanging basket assembly comprises a mother basket hanging tool and a plurality of board carrying sub-baskets, the mother basket hanging tool is arranged on the suspension part, the suspension part is used for driving the mother basket hanging tool to move towards the direction close to or far away from the liquid medicine groove, the board carrying sub-baskets are respectively arranged on the mother basket hanging tool, and the board carrying sub-baskets are used for containing circuit boards.

As a further improvement of the invention: the storage tank and the water outlet pump are fixedly arranged on the suspension piece.

As a further improvement of the invention: the spray pipe is installed on the female basket hanging tool.

As a further improvement of the invention: the LED bactericidal lamp is laid on the inner wall of the storage tank and used for sterilizing and disinfecting pure water in the storage tank.

As a further improvement of the invention: the LED bactericidal lamp adopts a spiral structure, and the LED bactericidal lamp is detachably connected with the storage tank.

As a further improvement of the invention: the LED bactericidal lamp comprises a connecting seat, a chassis and a lamp tube, wherein the connecting seat is connected with the chassis, and the chassis is connected with the lamp tube; the storage tank is provided with a groove, the groove is matched with the chassis, and the chassis is connected with the storage tank through the groove; the LED sterilizing lamp is characterized in that the chassis is provided with a spiral outer ring, the groove is provided with a spiral inner ring matched with the spiral outer ring, and the spiral outer ring of the chassis is screwed into the spiral inner ring of the groove to fix the LED sterilizing lamp and the storage tank.

As a further improvement of the invention: be equipped with the mobile device above the shower, the nozzle with the mobile device is articulated, the mobile device side is equipped with first hydraulic means, first hydraulic means's the other end is articulated with the nozzle, be equipped with the flow control device in the nozzle, the delivery port department of nozzle is equipped with water column diameter controlling means, the flow control device is including locating the perpendicular plate on two pairs of sides relatively in the nozzle, the plate be close to the articulated flow control board that is equipped with of one end of nozzle disc central axis, just be equipped with the second hydraulic means with flow control board corresponding position department in the inner wall of nozzle, the other end and the flow control board of second hydraulic means are articulated mutually.

As a further improvement of the invention: the spray pipe is provided with one nozzle every 10-30cm, and the distance between every two adjacent nozzles is equal.

As a further improvement of the invention: the spray pipe is provided with one nozzle every 15cm, and the distance between every two adjacent nozzles is equal.

As a further improvement of the invention: the spray pipe is provided with one nozzle every 20cm, and the distance between every two adjacent nozzles is equal.

As a further improvement of the invention: also included is a method of reducing carryover of bath solution using the spray apparatus, the method comprising the steps of:

s1, immersing the cradle component and the circuit board placed on the cradle component into the immersion gold liquid medicine groove by the portal frame;

s2, hanging the hanging basket assembly and the circuit board on the hanging basket assembly from the immersion gold liquid medicine groove by a portal frame;

s3, the water outlet pump makes the pure water in the storage tank flow through the water outlet pipe and enter the spray pipe;

s4, spraying the pure water to a circuit board placed on the carrier plate basket through a nozzle of the spray pipe after passing through the spray pipe;

s5, the moving device controls the distance between the nozzle and the circuit board on the hanging basket component, thereby controlling the water pressure of the nozzle for spraying pure water to the circuit board on the hanging basket component;

s6, controlling the angle of the nozzle by the first hydraulic device, and adjusting the angle by matching with the moving device, thereby controlling the angle of the nozzle spraying pure water to the circuit board on the hanging basket component;

s7, the flow control device controls the angle of the flow control plate so as to control the water yield and the water speed of the nozzle;

s8, the water column diameter control device controls the extension and retraction of the arc-shaped plate to control the water pressure of the nozzle for spraying the pure water;

and S9, the residual gold liquid on the surface of each circuit board on the plate-carrying sub-basket is brought back to the gold immersion liquid medicine tank by pure water.

Compared with the prior art, the invention has the beneficial effects that:

the spraying device is provided with a spraying component, a hanging basket component, a portal frame, a gold immersion liquid medicine groove, a storage groove, a water outlet pipe and a water outlet pump, when the hanging basket component is lifted away from the gold immersion liquid medicine groove by the portal frame, pure water in the storage groove flows into the spraying component through the water outlet pipe under the pressure of the water outlet pump, the spraying component sprays the pure water to a plurality of circuit boards on the hanging basket component, and residual gold liquid on the surfaces of the circuit boards on the hanging basket component is brought back to the gold immersion liquid medicine groove by the pure water, so that the effect of recovering the residual gold liquid is realized. In addition, the temperature of the original immersion gold liquid medicine groove is high, so that water is evaporated, more water is brought out by a plurality of circuit boards on the hanging basket assembly, a plurality of liters of pure water needs to be manually added into the immersion gold liquid medicine groove within a fixed time, the operation steps are complicated, and the condition that the immersion gold liquid is caused by that the liquid level in the immersion gold liquid medicine groove is too low due to the fact that the pure water is forgotten to be added manually after the spraying device operates can be avoided.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic view of the reservoir tank.

Fig. 4 is a schematic structural view of the nozzle.

Fig. 5 is a schematic view of the internal structure of the nozzle.

Detailed Description

In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The invention will now be further described with reference to the accompanying description and examples:

referring to fig. 1, a spraying device for reducing the carry-over of a circuit board processing gantry line tank liquid comprises a spraying assembly 4, a hanging basket assembly 3, a gantry 2 and a gold immersion liquid medicine tank 1, wherein the gold immersion liquid medicine tank 1 is used for performing gold immersion operation on a circuit board. Portal frame 2 is located directly over heavy gold liquid medicine groove 1, hanging flower basket subassembly 3 is installed on portal frame 2, spray set 4 installs on hanging flower basket subassembly 3, portal frame 2 is used for dipping hanging flower basket subassembly 3 and place polylith circuit board on hanging flower basket subassembly 3 heavy gold liquid medicine groove 1 to and with hanging flower basket subassembly 3 and hanging flower basket subassembly 3 go up polylith circuit board follow heavy gold liquid medicine groove 1 hangs away to accomplish heavy gold process. When the hanging basket component 3 is hung away from the immersion gold liquid medicine tank 1 by the portal frame 2, pure water is sprayed to a plurality of circuit boards placed on the hanging basket component 3 by the spraying component 4. On the one hand, the spraying component 4 sprays pure water to the plurality of circuit boards on the hanging basket component 3, and the residual gold liquid on the surfaces of the plurality of circuit boards on the hanging basket component 3 is brought back to the gold immersion liquid medicine tank 1 by the pure water, so that the effect of recovering the residual gold liquid is realized. On the other hand, because the temperature of the original immersion gold liquid chemical tank 1 is high, the water is evaporated and the water brought out by a plurality of circuit boards on the hanging basket component 3 is high, so that a plurality of liters of pure water needs to be added into the immersion gold liquid chemical tank 1 in a fixed time manually, and the operation steps are complicated. The spraying device can replace the action of manually adding a plurality of liters of pure water into the immersion gold liquid chemical tank 1, and can avoid the condition of plating leakage caused by too low liquid level in the immersion gold liquid chemical tank 1 due to the fact that the pure water is forgotten to be added manually after the spraying device is operated.

Referring to fig. 2, the gantry 2 includes a support frame 21 and a suspension member 22, the suspension member 22 is mounted on the support frame 21, and the suspension member 22 is used to drive the cradle assembly 3 to move, so that the cradle assembly 3 can perform immersion and suspension operations in the immersion gold chemical solution tank 1, thereby implementing the whole electroplating process of the circuit board.

Referring to fig. 2, the basket assembly 3 includes a mother basket hanger 31 and a plurality of board-carrying sub baskets 32, the mother basket hanger 31 is disposed on the suspension member 22, the suspension member 22 is configured to drive the mother basket hanger 31 to move towards or away from the immersion tank 1, each board-carrying sub basket 32 is disposed on the mother basket hanger 31, and the board-carrying sub baskets 32 are configured to hold circuit boards. When the hanging part 22 drives the mother basket hanging tool 31 to ascend or descend, each circuit board placed on the carrier plate sub-basket 32 can be immersed and lifted in the immersion gold liquid medicine tank 1.

Referring to fig. 2, the spraying assembly 4 is installed on the primary basket hanger 31, the spraying assembly 4 is connected with a storage tank 5, the storage tank 5 is used for storing pure water, the spraying assembly 4 is connected with the storage tank 5 through a water outlet pipe 6, the storage tank 5 is connected with a water outlet pump 7, and the water outlet pump 7 can be used for accelerating the water outlet speed of the storage tank 5. Pure water in the storage tank 5 is sprayed to each circuit board placed on the carrier plate sub-basket 32 by the water outlet pump 7, the pure water in the storage tank 5 flows through the water outlet pipe 6 to enter the spraying component 4, the spraying component 4 sprays the pure water to each circuit board on the carrier plate sub-basket 32, and residual gold liquid on the surface of each circuit board on the carrier plate sub-basket 32 is brought back to the gold precipitation liquid medicine tank 1 by the pure water.

Referring to fig. 2, the spraying assembly 4 includes a spraying pipe 41, the spraying pipe 41 is provided with a plurality of nozzles 42, the plurality of nozzles 42 are sequentially and uniformly arranged on the spraying pipe 41, and the spraying pipe 41 is connected with the storage tank 5 through a water outlet pipe 6. The pure water in the storage tank 5 flows through the water outlet pipe 6 to enter the spraying pipe 41, and is sprayed onto each circuit board placed on the carrier plate sub-basket 32 through the nozzle 42 of the spraying pipe 41, and the residual gold liquid on the surface of each circuit board on the carrier plate sub-basket 32 is brought back to the gold immersion liquid tank 1 by the pure water, so that the effect of recovering the residual gold liquid is realized.

Referring to fig. 2, the reservoir tank 5 and the water outlet pump 7 are fixedly mounted on the suspension member 22, and the shower pipe 41 is mounted on the primary basket hanger 31.

Referring to fig. 3, the LED germicidal lamp 8 is laid on the inner wall of the storage tank 5, and the pure water in the storage tank 5 can be sterilized and disinfected by the LED germicidal lamp 8, so as to avoid the situation that the circuit board and the immersion gold liquid tank are polluted due to the polluted pure water being sprayed to the circuit board.

LED bactericidal lamp 8 adopts helical structure, through setting the LED bactericidal lamp to helical structure, can improve the area of contact of LED lamp bactericidal lamp and water in the savings box 5, and then carries out the disinfection of disinfecting comprehensively, can not occupy the too much space of savings box 5 simultaneously, has guaranteed to have sufficient space to hold the pure water in the savings box 5 when improving the disinfection effect of disinfecting.

The LED germicidal lamp 8 comprises a connecting seat 81, a chassis 82 and a lamp tube 83, wherein the connecting seat 81 is connected with the chassis 82, and the chassis 82 is connected with the lamp tube 83. The lamp tube 83 adopts a spiral structure, so that the sterilization and disinfection effects of the LED bactericidal lamp 8 are improved.

The LED bactericidal lamp 8 with the savings box 5 is for dismantling the connection, through adopting the mode that can dismantle the connection, makes the LED lamp dismantle out in can following the savings box, and convenience of customers live time has long washd savings box inside. The storage tank 5 is provided with a groove, the groove is matched with the chassis 82, and the chassis is connected with the storage tank 5 through the groove. The LED sterilizing lamp is characterized in that the chassis is provided with a spiral outer ring, the groove is provided with a spiral inner ring matched with the spiral outer ring, and the spiral outer ring of the chassis is screwed into the spiral inner ring of the groove, so that the LED sterilizing lamp 8 is connected with the storage tank 5.

Referring to fig. 4-5, a moving device is disposed on the spraying pipe 41, the nozzle 42 is hinged to the moving device, a first hydraulic device 43 is disposed on a side surface of the moving device, the other end of the first hydraulic device 43 is hinged to the nozzle 42, a flow control device is disposed in the nozzle 42, a water column diameter control device is disposed at a water outlet of the nozzle 42, the flow control device includes plates 91 disposed on two opposite vertical side surfaces of the nozzle 42, a flow control plate 92 is hinged to one end of the plate 91 near a circular central axis of the nozzle 42, a second hydraulic device 44 is disposed in an inner wall of the nozzle 42 and at a position corresponding to the flow control plate 92, and the other end of the second hydraulic device 44 is hinged to the flow control plate 92.

The water column diameter controlling means is including locating the third hydraulic means 45 on the perpendicular relative two pairs of sides in the nozzle 42, the other end of third hydraulic means 45 all is equipped with arc 93, nozzle 42 is located intrados department and is equipped with first T shape recess 94, be equipped with on the arc 93 with first T shape recess 94 matched with first T shape guide rail 95, the delivery port setting of the nozzle 42 can stretch out of arc 93.

The moving device comprises a fourth hydraulic device 46 arranged on the base 1, a fifth hydraulic device 47 is arranged at the other end of the fourth hydraulic device 46, the nozzle 42 is hinged to the other end of the fifth hydraulic device 47, and the first hydraulic device 43 is arranged on the side surface of the fifth hydraulic device 47. A second T-shaped guide rail 96 is arranged below the fifth hydraulic device 47, and the spray pipe 41 is provided with a second T-shaped groove 97 matched with the second T-shaped guide rail 96.

The distance between the nozzle 42 and the circuit board on the hanging basket component 3 is controlled by controlling the moving device, so that the water pressure is conveniently controlled, and the water pressure of pure water sprayed to the circuit board on the hanging basket component 3 by the nozzle 42 can be controlled; the angle of the nozzle 42 is controlled by controlling the first hydraulic device 43, and the angle is adjusted by matching with the moving device, so that the angle of the nozzle 42 spraying pure water to the circuit board on the hanging basket component 3 can be controlled; the flow control device can control the water output and water speed of the nozzle 42 by controlling the angle of the flow control plate 92; the arrangement of the water column diameter control device can control the water pressure through controlling the extension and retraction of the arc-shaped plate 93, and is convenient and quick.

The spray pipes 41 are provided with one nozzle 42 every 10-30cm, and the distance between every two adjacent nozzles 42 is equal, so that pure water can be sprayed on the circuit board better and more uniformly.

Preferably, the spray pipe 41 is provided with one nozzle 42 every 15cm, and the distance between two adjacent nozzles 42 is equal.

Preferably, the spray pipe 41 is provided with one nozzle 42 every 20cm, and the distance between two adjacent nozzles 42 is equal.

Referring to fig. 2, a spraying device for reducing carry-over of a slot liquid of a circuit board processing gantry line, further comprising a method for reducing carry-over of a slot liquid by using the spraying device, the method comprising the following steps:

s1, immersing the hanging basket component 3 and the circuit board placed on the hanging basket component 3 into the gold precipitation liquid medicine tank 1 by the portal frame 2;

s2, the gantry 2 lifts the hanging basket assembly 3 and the circuit board on the hanging basket assembly 3 away from the immersion gold liquid medicine tank 1;

s3, the pure water in the storage tank 5 flows into the spray pipe 41 through the water outlet pipe 6 by the water outlet pump 7;

s4, spraying the pure water to the circuit board placed on the carrier plate sub-basket 32 by the spray nozzles 42 of the spray pipes 41 after passing through the spray pipes 41;

s5, the moving device controls the distance between the nozzle 42 and the circuit board on the hanging basket component 3, thereby controlling the water pressure of the nozzle 42 spraying pure water to the circuit board on the hanging basket component;

s6, controlling the angle of the nozzle by the first hydraulic device 43, and adjusting the angle by matching with the moving device, thereby controlling the angle of the nozzle 42 spraying pure water to the circuit board on the hanging basket assembly;

s7, the flow control device controls the angle of the flow control plate 92, and further controls the water yield and the water speed of the nozzle 42;

s8, the water column diameter control device controls the extension and contraction of the arc-shaped plate 93 to control the water pressure of the pure water sprayed by the nozzle 42;

and S9, the pure water brings the residual gold liquid on the surface of each circuit board on the plate-carrying sub-basket back to the gold immersion liquid medicine tank 1.

The main functions of the invention are as follows:

the spraying device comprises a spraying component, a hanging basket component, a portal frame, a gold immersion liquid medicine groove, a storage groove, a water outlet pipe and a water outlet pump, when the hanging basket component is lifted away from the gold immersion liquid medicine groove by the portal frame, the spraying component sprays pure water to a plurality of circuit boards placed on the hanging basket component, on one hand, the water outlet pump sprays the pure water in the storage groove onto the plurality of circuit boards placed on the hanging basket component, the pure water in the storage groove flows into the spraying component through the water outlet pipe, the spraying component sprays the pure water to the plurality of circuit boards on the hanging basket component, and residual gold liquid on the surfaces of the plurality of circuit boards on the hanging basket component is brought back to the gold immersion liquid medicine groove by the pure water, so that the effect of recovering the residual gold liquid is achieved. On the other hand, because the temperature of the original immersion gold liquid medicine tank is higher, the water is evaporated and more water is brought out by a plurality of circuit boards on the hanging basket component, therefore, a plurality of liters of pure water needs to be manually added into the immersion gold liquid medicine tank within a fixed time, the operation steps are more complicated, the spraying device can replace the action of manually adding a plurality of liters of pure water into the immersion gold liquid medicine tank, and the condition of plating leakage caused by that the liquid level in the immersion gold liquid medicine tank is too low due to the fact that the pure water is forgotten to be added manually can be avoided after the spraying device is operated.

In the description of the present invention, it is to be understood that the terms "upper end surface", "lower end surface", "top", "bottom", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and thus are not to be construed as limiting the practical use direction of the present invention.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.