Activating and cleaning device for nickel and gold immersion circuit board processing

Abstract

The utility model relates to the technical field of nickel and gold immersion circuit board processing, in particular to an activating and cleaning device for nickel and gold immersion circuit board processing, which comprises a cleaning frame, a cleaning assembly used for cleaning an activated nickel and gold immersion circuit board is arranged in the cleaning frame, and the cleaning assembly comprises a cleaning tank arranged in the cleaning frame. A mounting frame is arranged in the cleaning tank, a through groove and a base are arranged in the mounting frame, and a clamping plate is arranged at the top of the base; a placement hole is formed in the top of the cleaning frame, a detection frame is arranged in the placement hole, a water through groove is formed in the detection frame, cavities are formed in the two sides of the inner wall of the water through groove, a plurality of positioning grooves and detection plates are arranged in the two cavities, and protruding blocks are arranged on the inner walls of the positioning grooves. According to the circuit board cleaning device, an activating agent on the surface of a circuit board is taken away through continuously flowing water, the cleaning effect is improved, the test paper reacts with the activating agent in the water to detect activating agent residues, and the cleaning quality and accuracy are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nickel immersion gold circuit board processing technical field, specifically is a kind of activation cleaning device for nickel immersion gold circuit board processing. BACKGROUND

[0002] Nickel immersion gold circuit board, also known as chemical nickel gold or ENIG, is a commonly used PCB surface treatment process in the field of electronic manufacturing. Activation cleaning of nickel immersion gold circuit board is a key step in the chemical nickel gold process, and its main purpose is to form a layer of palladium catalyst on the copper surface to facilitate the subsequent chemical nickel deposition.

[0003] However, in the prior art, after activation treatment of the nickel immersion gold circuit board, the residual activator needs to be removed by water washing to avoid affecting the subsequent chemical nickel deposition. However, after activation cleaning, whether the cleaning is complete is usually judged by visually observing the color change of the circuit board surface or the plating failure. However, visual judgment may have deviations and may lead to misjudgment, affecting the quality of subsequent processing. UTILITY MODEL CONTENT

[0004] The utility model aims to provide an activation cleaning device for nickel immersion gold circuit board processing to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An activation cleaning device for nickel immersion gold circuit board processing includes a cleaning frame, a cleaning assembly for cleaning the nickel immersion gold circuit board after activation is arranged inside the cleaning frame, the cleaning assembly includes a cleaning tank arranged inside the cleaning frame, a mounting bracket is arranged inside the cleaning tank, a through groove and a base are arranged inside the mounting bracket, and a clamping plate is arranged on the top of the base.

[0007] A placement hole is arranged on the top of the cleaning frame, a detection bracket is arranged inside the placement hole, a water passage is arranged inside the detection bracket, cavities are arranged on both sides of the inner wall of the water passage, a plurality of positioning grooves and detection plates are arranged inside the cavities, and protrusions are arranged on the inner wall of the positioning grooves.

[0008] As a preferred scheme of the utility model, the mounting bracket is located in the cleaning tank and connected to the inner wall of the cleaning tank through bolts, the through groove penetrates the mounting bracket and the base, pump bodies and water supply pipes are arranged at both ends of the cleaning frame to make clean water continuously flow in the cleaning tank.

[0009] As a preferred scheme of the utility model, the base is embedded and distributed in the mounting bracket to position the mounting position of the nickel immersion gold circuit board, the clamping plates are distributed at the four corners of the base and slidably connected to the top of the base to clamp the nickel immersion gold circuit board.

[0010] As a preferred solution of the present utility model, the cleaning tank penetrates through the placement hole, the detection frame is located inside the placement hole and is slidably connected to the inner wall of the placement hole, and the water passing trough penetrates through the detection frame.

[0011] As a preferred solution of the present utility model, control valves are installed on the inner walls of both cavities and are communicated with the water passing trough through the control valves. The positioning grooves are distributed in the cavities in an array, and the convex blocks are of an arc-shaped structure and are embedded and connected to the inner walls of the positioning grooves.

[0012] As a preferred solution of the present utility model, one ends of multiple detection plates are located inside the cavities and extend into the positioning grooves and are slidably connected to the inner walls of the positioning grooves. The detection plates can be in contact with the clear water flowing in from the bottom when sliding inside the cavities.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: In response to the problems raised in the background art, the present application adopts a cleaning component. When the continuously flowing clear water cleans the nickel immersion gold circuit board after activation, the activator on the surface is carried away through the flow, avoiding the reattachment of the activator to the circuit board when it dissolves in water during cleaning, and improving the cleaning effect.

[0014] When the cleaning reaches the end, the control valve on the inner wall of the detection frame is opened to allow the clear water passing through the circuit board to flow into the cavity, and the detection plate is brought into contact with the clear water in the cavity by pressing. The residual amount of the activator in the water is detected by the test paper in the detection plate, so as to conduct a quality test on the cleaning of the circuit board and improve the cleaning quality.

[0015] The present utility model uses continuously flowing water to carry away the activator on the surface of the circuit board, improving the cleaning effect, and detecting the residual activator through the reaction of the test paper with the activator in the water, improving the cleaning quality and accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional view of the overall structure of the present utility model;

[0017] Figure 2 is an external structure view of the mounting rack of the present utility model;

[0018] Figure 3 is an external structure view of the detection frame of the present utility model;

[0019] Figure 4 is a cross-sectional view inside the cavity of the present utility model.

[0020] In the figure: 1. cleaning frame; 2. cleaning tank; 3. mounting rack; 301. through groove; 302. base; 4. clamping plate; 5. placement hole; 6. detection frame; 601. water passing trough; 7. cavity; 701. positioning groove; 702. convex block; 8. detection plate. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described below in connection with the embodiments of the utility model in a clear and complete manner. EMBODIMENT

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of activation cleaning device for processing nickel immersion gold circuit board, including cleaning frame 1, the cleaning frame 1 inside is provided with the cleaning assembly for washing after the activation of nickel immersion gold circuit board, the cleaning assembly includes the cleaning tank 2 being set in cleaning frame 1 interior, for limiting when clear water flows, by the pump body of the both ends of cleaning frame 1 to clear water is transported, so that it continues to flow in cleaning tank 2, by the water of flowing can guide away circuit board after activator separates from circuit board (since common activator is made of copper sulfate, thus easily dissolved in water, in washing, activator dissolved in water will be attached to circuit board again), to improve the effect of cleaning, the cleaning tank 2 inside is provided with mounting bracket 3, the mounting bracket 3 inside is provided with through slot 301 and base 302, the top of base 302 is provided with clamping plate 4, when washing, circuit board is placed in base 302, and is fixed by clamping plate 4 clamping, guarantee the stability of circuit board.

[0023] The cleaning frame 1 top is provided with placement hole 5, the placement hole 5 inside is provided with detection frame 6, the detection frame 6 inside is provided with water channel 601, and the water after washing circuit board will flow out after passing through detection frame 6, when reaching the end of washing, the control valve in cavity 7 can be controlled to open by PLC controller, so that the water after washing circuit board will flow into cavity 7, and the clear water will not exceed the position of positioning groove 701 after flowing into cavity 7, the inner wall of water channel 601 is provided with cavity 7 on both sides, the inside of the two cavity 7 is provided with a plurality of positioning grooves 701 and detection plates 8, when reaching the end of washing, detection plate 8 is embedded in positioning groove 701 and extends downward and contacts with clear water, the content of activator in water is detected by test paper in detection plate 8, the content of activator is guaranteed to reach cleaning standard by multiple detections, improve the quality of cleaning, the inner wall of a plurality of positioning grooves 701 is provided with protruding block 702, for clamping detection plate 8 in positioning groove 701, improve the stability of detection plate 8.

[0024] All electrical components in the embodiment are controlled by conventional controller.

[0025] EMBODIMENT, please refer to Figures 1-4The utility model discloses a nickel immersion gold circuit board cleaning device, including the cleaning tank 2 of nickel immersion gold circuit board, the installation frame 3 of nickel immersion gold circuit board, the cleaning frame 6 of nickel immersion gold circuit board, the detection board 8 of nickel immersion gold circuit board and the placing hole 5 of nickel immersion gold circuit board, the installation frame 3 is located in the cleaning tank 2, and is connected with the inner wall of cleaning tank 2 through bolt, the through slot 301 is through the installation frame 3 and the base 302, the both ends of cleaning frame 1 are provided with the pump body and the water pipe, make the clean water flow in the cleaning tank 2 continuously, the base 302 is embedded and is distributed in the installation frame 3, and the installation position of nickel immersion gold circuit board is positioned, the clamping plate 4 is distributed at the four corners of base 302, and is slidably connected with the top of base 302, and is clamped with nickel immersion gold circuit board, the cleaning tank 2 is through the placing hole 5, the detection frame 6 is located in the placing hole 5, and is slidably connected with the inner wall of placing hole 5, the water channel 601 is through the detection frame 6, the control valve is installed in the inner wall of two cavities 7, and is communicated with the water channel 601 through the control valve, the positioning groove 701 is arrayed and is distributed inside the cavity 7, the lug 702 is arc structure and is inlaidly connected with the inner wall of positioning groove 701, a plurality of detection plate 8 one end is located in the cavity 7, and extends to the positioning groove 701, and is slidably connected with the inner wall of positioning groove 701, the detection plate 8 is slid in the cavity 7 and can be contacted with the clean water flowing into the bottom, when using, first the circuit board is placed in the base 302 of installation frame 3 in the cleaning tank 2, and is clamped and fixed through the clamping plate 4, then makes the clean water flow in the cleaning tank 2 through the pump body and the water pipe at the both ends of cleaning frame 1, and the activator on the surface of circuit board is washed away, when washing to near end, opens the electromagnetic valve in the cavity 7 at the both ends of detection frame 6 through PLC controller control and makes water flow into the cavity 7, and embeds detection plate 8 in the cavity 7 and contacts with the water in the inside, detects the content of activator in water through the test paper in detection plate 8, until reaches the cleaning standard and represents that cleaning is completed.

[0026] The utility model discloses a nickel immersion gold circuit board cleaning device, including the cleaning tank 2 of nickel immersion gold circuit board, the installation frame 3 of nickel immersion gold circuit board, the cleaning frame 6 of nickel immersion gold circuit board, the detection board 8 of nickel immersion gold circuit board and the placing hole 5 of nickel immersion gold circuit board, the installation frame 3 is located in the cleaning tank 2, and is connected with the inner wall of cleaning tank 2 through bolt, the through slot 301 is through the installation frame 3 and the base 302, the both ends of cleaning frame 1 are provided with the pump body and the water pipe, make the clean water flow in the cleaning tank 2 continuously, the base 302 is embedded and is distributed in the installation frame 3, and the installation position of nickel immersion gold circuit board is positioned, the clamping plate 4 is distributed at the four corners of base 302, and is slidably connected with the top of base 302, and is clamped with nickel immersion gold circuit board, the cleaning tank 2 is through the placing hole 5, the detection frame 6 is located in the placing hole 5, and is slidably connected with the inner wall of placing hole 5, the water channel 601 is through the detection frame 6, the control valve is installed in the inner wall of two cavities 7, and is communicated with the water channel 601 through the control valve, the positioning groove 701 is arrayed and is distributed inside the cavity 7, the lug 702 is arc structure and is inlaidly connected with the inner wall of positioning groove 701, a plurality of detection plate 8 one end is located in the cavity 7, and extends to the positioning groove 701, and is slidably connected with the inner wall of positioning groove 701, the detection plate 8 is slid in the cavity 7 and can be contacted with the clean water flowing into the bottom, when using, first the circuit board is placed in the base 302 of installation frame 3 in the cleaning tank 2, and is clamped and fixed through the clamping plate 4, then makes the clean water flow in the cleaning tank 2 through the pump body and the water pipe at the both ends of cleaning frame 1, and the activator on the surface of circuit board is washed away, when washing to near end, opens the electromagnetic valve in the cavity 7 at the both ends of detection frame 6 through PLC controller control and makes water flow into the cavity 7, and embeds detection plate 8 in the cavity 7 and contacts with the water in the inside, detects the content of activator in water through the test paper in detection plate 8, until reaches the cleaning standard and represents that cleaning is completed.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An activation and cleaning device for processing immersion nickel-gold circuit boards, comprising a cleaning frame (1), wherein the cleaning frame (1) is provided with a cleaning component for cleaning the immersion nickel-gold circuit board after activation, characterized in that: The cleaning assembly includes a cleaning tank (2) arranged inside the cleaning frame (1), the cleaning tank (2) is internally provided with a mounting frame (3), the mounting frame (3) is internally provided with a through groove (301) and a base (302), the base (302) is provided with a clamping plate (4) on the top; The cleaning frame (1) is provided with a placing hole (5) on the top, the placing hole (5) is internally provided with a detection frame (6), the detection frame (6) is internally provided with a water passing groove (601), the water passing groove (601) is provided with cavities (7) on the two sides of the inner wall, a plurality of positioning grooves (701) and detection plates (8) are arranged in the cavities (7), and the inner wall of the positioning groove (701) is provided with a protruding block (702).

2. The activation cleaning device for processing of nickel-gold immersion circuit board according to claim 1, characterized in that: The mounting frame (3) is located in the cleaning tank (2) and is connected with the inner wall of the cleaning tank (2) through bolts, the through groove (301) penetrates the mounting frame (3) and the base (302), and the cleaning frame (1) is provided with a pump body and a water delivery pipe at both ends, so that clean water continuously flows in the cleaning tank (2).

3. The activation cleaning device for processing of nickel-gold immersion circuit board according to claim 1, characterized in that: The base (302) is embedded in the mounting frame (3) and is used for positioning the mounting position of the nickel-plated gold circuit board, the clamping plate (4) is distributed at the four corners of the base (302) and is in sliding connection with the top of the base (302), and the clamping plate (4) is used for clamping the nickel-plated gold circuit board.

4. The activation cleaning device for processing of nickel-gold immersion circuit board according to claim 1, characterized in that: The cleaning tank (2) penetrates the placing hole (5), the detection frame (6) is located in the placing hole (5) and is in sliding connection with the inner wall of the placing hole (5), and the water passing groove (601) penetrates the detection frame (6).

5. The activation cleaning device for processing of nickel-gold immersion circuit board according to claim 1, characterized in that: Control valves are mounted on the inner walls of the two cavities (7) and are in communication with the water passing groove (601) through the control valves, the positioning grooves (701) are arrayed in the cavities (7), and the protruding blocks (702) are in inlay connection with the inner walls of the positioning grooves (701).

6. The activation cleaning device for processing of nickel-gold immersion circuit board according to claim 1, characterized in that: A plurality of detection plates (8) are arranged at one end of the cavities (7) and extend into the positioning grooves (701) and are in sliding connection with the inner walls of the positioning grooves (701), and the detection plates (8) are in sliding connection with the inner walls of the positioning grooves (701) in the cavities (7). The detection plates (8) are in sliding connection with the inner walls of the positioning grooves (701) in the cavities (7).

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