CN113249759A

CN113249759A - Electroplating residual liquid removing device and removing method

Info

Publication number: CN113249759A
Application number: CN202110351921.2A
Authority: CN
Inventors: 周家军
Original assignee: Shenzhen Xinbiao Automation Technology Co ltd
Current assignee: Shenzhen Xinbiao Automation Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-08-13
Anticipated expiration: 2041-03-31
Also published as: CN113249759B

Abstract

The invention relates to a device and a method for removing electroplating residual liquid, wherein the device comprises an outer bin and an inner bin; a sealing plate for dividing the interior of the outer bin into an upper sealing cavity and a lower sealing cavity is arranged between the outer bin and the inner bin, the lower end of the inner bin is provided with an opening communicated with the lower sealing cavity, and the inner bin is provided with a plurality of air nozzles which blow air into the inner bin in a penetrating manner at the upper part; the outer bin is provided with a first air pressure source for supplying air to the air tap, and the air pressure input end of the first air pressure source is communicated with the upper sealing cavity; a hook assembly used for fixing a plating rack is rotatably arranged at the top of the inner bin, a condenser is arranged below the sealing plate, and the upper sealing cavity is communicated with the lower sealing cavity through the condenser; still be equipped with the atmospheric pressure balance assembly of its inside atmospheric pressure on the outer storehouse, the bottom in outer storehouse is equipped with the back flow, and the front end in outer storehouse and interior storehouse all is equipped with the movable bin gate of operation mouth and sealed operation mouth, through will plate in arranging interior storehouse in, further will plate the raffinate on a surface through the air cock and blow off totally, and then avoided the operator with electroplate the direct contact of raffinate.

Description

Electroplating residual liquid removing device and removing method

Technical Field

The invention relates to the technical field of electroplating, in particular to an electroplating residual liquid removing device and an electroplating residual liquid removing method.

Background

In the electroplating production and processing process, a plated part is extracted from an electroplating pool through a manipulator after being electroplated, and then is stored in the pool after the residual electroplating solution on the plated part is wiped clean, but the current industrial situation basically adopts manual wiping, and because the electroplating solution contains various components harmful to human bodies, such as heavy metal ions, conductive salt, buffering agents, additives and the like, particularly, some components, such as colloidal nickel or nickel chloride, have extremely high toxicity, can cause central nerve, circulation and respiratory system disorder, so that the cardiac muscle, brain, lung and kidney have edema, bleeding and degeneration and can whiten human hair after being contacted for a long time; for example, low-concentration nickel carbonyl may cause systemic poisoning, damage to lung, liver, brain, lung cancer, gastric cancer, and paranasal sinus cancer, and in addition, other toxic components may cause dysfunction of multiple organs after entering the body, causing exhaustion of organs such as nervous system, circulatory system, and respiratory system, and death.

Disclosure of Invention

The present invention is directed to a device and a method for removing residual electroplating solution, which can solve the above problems.

In order to meet the requirements, the technical scheme adopted by the invention for solving the technical problems is as follows:

provides a device for removing residual electroplating liquid, which comprises an outer bin and an inner bin; the inner bin is arranged in the outer bin, a sealing plate for dividing an inner cavity of the outer bin into an upper sealing cavity and a lower sealing cavity is arranged between the outer bin and the side wall of the inner bin, the lower end of the inner bin is provided with an opening communicated with the lower sealing cavity, an air nozzle for blowing air into the inner bin is arranged on the side wall of the inner bin, which is positioned in the upper sealing cavity, in a penetrating manner, and the air nozzles are provided with a plurality of air nozzles which are connected in series through air guide tubes; a first air pressure source for supplying air to the air tap is arranged on the outer bin, and the air pressure input end of the first air pressure source is communicated with the upper sealing cavity; a hook assembly used for fixing a plating rack is rotatably arranged at the top of the inner bin, a condenser is arranged below the sealing plate, and the upper sealing cavity is communicated with the lower sealing cavity through the condenser; the outer bin is also provided with an air pressure balancing component for balancing the internal air pressure, the bottom of the outer bin is provided with a return pipe, the front ends of the outer bin and the inner bin are both provided with operation ports, and the two operation ports are flush; the electroplating residual liquid removing device also comprises a movable bin door for sealing the operation opening.

The electroplating residual liquid removing device is characterized in that the air nozzles are rotatably connected with the inner bin, a plurality of air nozzles are longitudinally arranged, every two adjacent air nozzles are connected through the connecting rod, the air nozzles form a unit, the unit is provided with two groups of air nozzles, and the two groups of air nozzles are oppositely arranged left and right.

The electroplating residual liquid removing device is characterized in that the air faucet is T-shaped, an air outlet end is formed at the longitudinal end of the air faucet, a spherical bulge is arranged in the middle of the air outlet end of the air faucet, a limiting groove for limiting the spherical bulge is formed in the side wall of the inner bin, a spherical concave surface matched with the spherical bulge is formed in the inner side wall of the limiting groove, an air inlet end is formed at the transverse end of the air faucet, and the air outlet end is rotatably connected with the air inlet end.

The invention relates to an electroplating residual liquid removing device, wherein the air outlet end port of an air nozzle is flat.

The electroplating residual liquid removing device is characterized in that the air outlet ends of the air nozzles are obliquely arranged downwards, the two groups of air nozzles are respectively positioned in two vertical surfaces which are parallel to each other in front and back, and the hook assembly is positioned between the two vertical surfaces.

The electroplating residual liquid removing device is characterized in that the inner bin is ellipsoidal, and the longer end of the inner bin is vertically arranged.

The device for removing the electroplating residual liquid comprises a hook assembly, a lifting mechanism and a control mechanism, wherein the hook assembly comprises an L-shaped fixed arm used for hooking a plating rack, a limiting arm and a driving cylinder used for driving the limiting arm to move downwards so as to fix the plating rack on the L-shaped fixed arm; the top in interior storehouse is equipped with rotates the platform, be located in on the interior storehouse position department that rotates the below of platform is equipped with the movable hole, the vertical end of L shape fixed arm passes the movable hole is fixed the bottom of rotating the platform, it locates to drive actuating cylinder through the mount the top of rotating the platform, spacing arm vertically sets up just run through directly over the horizontal end of L shape fixed arm rotate the platform, it does to rotate the bench drive actuating cylinder and provide the protection casing of protection.

The device for removing the electroplating residual liquid comprises an air pressure balancing component, an air pressure sensor, a second air pressure source and a controller, wherein the air pressure balancing component comprises an air pressure sensor for detecting the internal pressure of the outer bin, the second air pressure source for supplying air to the outer bin, and the controller for controlling the second air pressure source to start and stop; the second air pressure source is a compressor; the air pressure sensor and the second air pressure source are both electrically connected with the controller.

A method for removing electroplating residual liquid comprises the following steps:

the first step is as follows: opening the movable bin door, and erecting the plated part on the hook assembly through the manipulator and fixing the plated part in place;

the second step is that: closing the movable bin gate, starting the first air pressure source, the condenser and the air pressure balance assembly simultaneously, and ejecting gas with a certain speed towards the plating rack and the plating part by the air nozzle;

the third step: and executing the second step for presetting time, completely blowing off residual electroplating solution on the plating rack and the surface of the plated part, opening the movable bin door, and taking out the plating rack and the plated part through the manipulator.

The invention has the beneficial effects that: the invention discloses a device for removing electroplating residual liquid, which is characterized in that a plating part rack and a plating part are arranged in a closed space, the first air pressure source is matched with the air tap to form an air flow internal circulation system so as to blow off the plating residual liquid on the surface of the plating rack and the plating piece completely, so that an operator is prevented from directly contacting the plating residual liquid on the surface of the plating piece, the air pressure inside the outer bin is ensured to be balanced in real time through the air pressure balancing component, so that the first air pressure source is ensured to work normally, in addition, because the plating part and the residual liquid of the electroplating solution on the surface of the plating part have the temperature of dozens of degrees centigrade when the plating part moves out of the electroplating pool, residual liquid volatilized in the air is condensed and filtered through a condenser when the air flow in the outer bin and the inner bin circulates, the condensed residual liquid flows into the electroplating pool through a return pipe, can avoid the loss of the electroplating solution and can also avoid the gasified residual liquid from volatilizing to the surrounding environment when the movable bin door is opened.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:

FIG. 1 is a sectional view showing the entire structure of the plating residual liquid removing apparatus of the present invention.

FIG. 2 is a sectional view showing the connection between the inner tank and the hook member of the apparatus for removing residual electroplating liquid according to the present invention.

FIG. 3 is a sectional view showing the connection between the air nozzle and the inner tank of the residual electroplating solution removing apparatus according to the present invention.

FIG. 4 is an overall configuration view of an air nozzle of the residual plating liquid removing apparatus of the present invention.

FIG. 5 is a flowchart showing the steps of the cleaning method of the plating residual liquid cleaning apparatus according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.

The electroplating residual liquid removing device of the preferred embodiment of the invention is shown in figures 1-5 and comprises an outer bin 1 and an inner bin 2; the inner bin 2 is arranged in the outer bin 1, a sealing plate 5 which divides an inner cavity of the outer bin 1 into an upper sealing cavity 3 and a lower sealing cavity 4 is arranged between the outer bin 1 and the side wall of the inner bin 2, the lower end of the inner bin 2 is provided with an opening 6 communicated with the lower sealing cavity 4, an air nozzle 7 which blows air into the inner bin 2 is arranged on the side wall of the inner bin 2 in the upper sealing cavity 3 in a penetrating way, and the air nozzles 7 are provided with a plurality of air nozzles which are connected in series through air guide tubes 8; a first air pressure source 9 for supplying air to the air tap 7 is arranged on the outer bin 1, and an air pressure input end 91 of the first air pressure source 9 is communicated with the upper sealing cavity 3; a hook component 10 for fixing the plating part frame 100 is rotatably arranged at the top of the inner bin 2, a condenser 11 is arranged below the sealing plate 5, and the upper sealing cavity 3 is communicated with the lower sealing cavity 4 through the condenser 11; the outer bin 1 is also provided with an air pressure balancing component 12 for balancing the internal air pressure, the bottom of the outer bin 1 is provided with a return pipe 13, the front ends of the outer bin 1 and the inner bin 2 are both provided with operation ports, and the two operation ports are flush; the electroplating residual liquid removing device also comprises a movable bin gate 14 used for sealing the operation opening, the plating rack and the plating piece 200 are arranged in a closed space, an air flow internal circulation system is formed by the first air pressure source 9 and the air tap 7, and then the electroplating residual liquid on the surfaces of the plating rack and the plating piece is blown off completely, so that an operator is prevented from directly contacting the electroplating residual liquid on the surfaces of the plating piece, in the process, the air pressure inside the outer bin 1 is ensured to be balanced in real time by the air pressure balancing component 12, and further the first air pressure source 9 is ensured to work normally, in addition, as the plating piece and the electroplating residual liquid on the surface have the temperature of dozens of centigrade when moving out of the electroplating pool, the residual liquid volatilized in the air is condensed and filtered by the condenser 11 when the air flow inside the outer bin 1 and the inner bin 2 circulates, and further the condensed residual liquid flows into the electroplating pool through the return pipe 13, can avoid the loss of plating solution, also can avoid the raffinate of gasification to volatilize to the surrounding environment when opening movable bin door 14 in addition, in order to play further prevention, can let in clean air with its inside air discharge to exhaust-gas treatment equipment and do further innocent treatment toward outer storehouse inside before opening movable bin door.

Preferably, air cock 7 rotates with interior storehouse 2 to be connected to the air-out angle of convenient to adjust the suction nozzle, a plurality of air cocks 7 longitudinal arrangement, every two adjacent air cocks 7 pass through the connecting rod and connect, make save time in the time of adjustment, a unit is constituteed to a plurality of air cocks 7, and the unit is equipped with two sets ofly, and relative setting is controlled to two sets of air cocks 7, in order to promote clearance efficiency.

Preferably, air cock 7 is the T font and its longitudinal end forms the end 71 of giving vent to anger, the end 71 middle part of giving vent to anger of air cock 7 is equipped with globular protruding 14, be equipped with the spacing groove of spacing globular protruding 14 on the lateral wall of interior storehouse 2, be equipped with the spherical concave surface 15 with globular protruding 14 adaptation on the inside wall of spacing groove, on the one hand can conveniently adjust the angle of air cock 7, on the other hand also can avoid in the interior storehouse 2 gas entering go up in the sealed chamber 3, the horizontal end of air cock 7 forms the inlet end 72, it rotates with the inlet end 72 to give vent to anger the end 71 and is connected, in order to adjust the angle setting of pipe fittings such as air duct 8, avoid the pipe fitting bending to make its internal channel narrow down.

Preferably, the outlet port 71 711 of the air nozzle 7 is flat, so that the ejected air flow forms an air knife with a certain width, and the action area of each air nozzle 7 on the plated part is increased, so as to ensure the cleaning effect.

Preferably, the end 71 slope of giving vent to anger of air cock 7 sets up downwards, two sets of air cocks 7 are located two vertical faces that are parallel to each other around respectively, couple subassembly 10 is located the centre of two vertical faces, air cock 7 slope sets up downwards and can accelerate the gas outgoing to its outside with interior 2 inside storehouses, in order in time to filter the condensation of the little drop of water of raffinate in the air, furthermore, because two sets of suction nozzles are used in plating a frame and plate the effect point on the piece not on same straight line, children's formula is in the both sides of the pivot of couple subassembly 10, when two sets of air cocks 7 erupt gas, and then the drive is plated a frame autogyration, further promote the effect of cleaing away, guarantee to plate the surperficial raffinate of piece and clear away totally.

Preferably, the inner bin 2 is ellipsoidal and the longer end of the inner bin is vertically arranged, so that the circulation of the airflow is facilitated, and the airflow in the inner bin 2 is prevented from forming gathered turbulent flow at the corner position.

Preferably, the hook assembly 10 comprises an L-shaped fixing arm 101 for hooking the plating rack 100, a limiting arm 102, and a driving cylinder 103 for driving the limiting arm 102 to move downwards to fix the plating rack on the L-shaped fixing arm 101; the top of interior storehouse 2 is equipped with the revolving stage 16, the position department that lies in the below of revolving stage 16 on interior storehouse 2 is equipped with the movable hole, the vertical end of L shape fixed arm 101 passes the movable hole and fixes in the bottom of revolving stage 16, drive actuating cylinder 103 locates the top of revolving stage 16 through the mount, spacing arm 102 vertically sets up directly over the horizontal end of L shape fixed arm 101 and runs through revolving stage 16, after the manipulator erects the piece of plating on the horizontal end of L shape fixed arm 101, drive actuating cylinder 103 drive spacing arm 102 downstream make it form enclosed construction with the fixed arm, and then avoid plating the piece frame and drop at rotatory process, be equipped with the protection casing 17 that provides the protection for driving actuating cylinder 103 on the revolving stage 16, in order to avoid driving actuating cylinder 103 to receive the erosion of raffinate.

Preferably, the air pressure balancing assembly 12 includes an air pressure sensor 121 for detecting the pressure inside the outer bin 1, a second air pressure source 122 for supplying air into the outer bin 1, and a controller 123 for controlling the on/off of the second air pressure source 122; both the first and second

air pressure sources

9, 122 are compressors; the air pressure sensor 121 and the second air pressure source 122 are both electrically connected to the controller 123, and when the air pressure sensor 121 detects that the air pressure deviates from a normal value, the air pressure sensor sends a signal to the controller 123, and the controller 123 responds to the signal to start or stop the second air pressure source 122, so as to ensure that the internal air pressure is balanced and ensure that the first air pressure source 9 works normally.

In addition, the first air pressure source 9 can be provided with two air pressure input ends 91, any one of the two air pressure input ends 91 extends into the upper sealed cavity 3, when the residual liquid removing work is executed, the air pressure input end 91 used for communicating the upper sealed cavity 3 is started, and after the removing work is completed, in order to further reduce the content of the residual liquid in the air inside the outer bin 1, the other air inside the outer bin 1 can be diluted and filtered by starting the air pressure input end 91 communicated with the external environment at the moment.

first step S10: the movable bin door 14 is opened, the plating part is placed on the hook assembly through the manipulator and fixed in place, specifically, after the manipulator hangs the plating part on the transverse end of the L-shaped fixed arm 101, the driving cylinder 103 drives the limiting arm 102 to move downwards to form a closed structure with the fixed arm, and the plating part is prevented from falling off in the rotating process;

second step S20: closing the movable bin gate 14, simultaneously starting the first air pressure source 9, the condenser 11 and the air pressure balance assembly 12, and ejecting gas with a certain speed from the air nozzle 7 towards the plating rack and the plating part, specifically, when the air pressure in the outer bin is too low, the air pressure sensor detects the air pressure change and provides a starting trigger signal for the controller, the controller further makes corresponding action and starts the second air pressure source to supply air to the inner part of the outer bin, and when the air pressure returns to a normal value, the air pressure sensor provides a stopping trigger signal for the controller, the controller makes corresponding action and stops the second air pressure source, so that the consumption of electric energy is reduced;

third step S30: and executing the second step for a preset time, wherein the time can be specifically set according to actual conditions, the plating rack and the residual electroplating solution on the surface of the plated part are completely blown off, the movable bin door 14 is opened, and the plating rack and the plated part are taken out through the mechanical arm.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. An electroplating residual liquid removing device is characterized by comprising an outer bin and an inner bin; the inner bin is arranged in the outer bin, a sealing plate for dividing an inner cavity of the outer bin into an upper sealing cavity and a lower sealing cavity is arranged between the outer bin and the side wall of the inner bin, the lower end of the inner bin is provided with an opening communicated with the lower sealing cavity, an air nozzle for blowing air into the inner bin is arranged on the side wall of the inner bin, which is positioned in the upper sealing cavity, in a penetrating manner, and the air nozzles are provided with a plurality of air nozzles which are connected in series through air guide tubes; a first air pressure source for supplying air to the air tap is arranged on the outer bin, and the air pressure input end of the first air pressure source is communicated with the upper sealing cavity; a hook assembly used for fixing a plating rack is rotatably arranged at the top of the inner bin, a condenser is arranged below the sealing plate, and the upper sealing cavity is communicated with the lower sealing cavity through the condenser; the outer bin is also provided with an air pressure balancing component for balancing the internal air pressure, the bottom of the outer bin is provided with a return pipe, the front ends of the outer bin and the inner bin are both provided with operation ports, and the two operation ports are flush; the electroplating residual liquid removing device also comprises a movable bin door for sealing the operation opening.

2. The apparatus for removing residual electroplating liquid according to claim 1, wherein said air nozzles are rotatably connected to said inner chamber, a plurality of said air nozzles are arranged in a longitudinal direction, every two adjacent air nozzles are connected by a connecting rod, a plurality of said air nozzles form a unit, said unit is provided with two sets of said air nozzles, and said two sets of said air nozzles are arranged oppositely in the left and right direction.

3. The device for removing residual electroplating liquid according to claim 2, wherein the air faucet is T-shaped, and a gas outlet end is formed at a longitudinal end of the air faucet, a spherical protrusion is arranged at the middle part of the gas outlet end of the air faucet, a limiting groove for limiting the spherical protrusion is arranged on the side wall of the inner bin, a spherical concave surface adapted to the spherical protrusion is arranged on the inner side wall of the limiting groove, a gas inlet end is formed at a transverse end of the air faucet, and the gas outlet end is rotatably connected with the gas inlet end.

4. The apparatus for removing residual electroplating liquid according to claim 3, wherein the gas outlet end of the gas nozzle is flat.

5. The apparatus for removing residual electroplating liquid according to claim 2, wherein the air outlet ends of the air nozzles are arranged obliquely downward, two groups of air nozzles are respectively positioned in two vertical planes which are parallel to each other in front and back, and the hook assembly is positioned in the middle of the two vertical planes.

6. The apparatus for removing residual electroplating liquid according to claim 5, wherein said inner chamber is ellipsoidal and the longer end thereof is disposed vertically.

7. The apparatus for removing residual electroplating liquid according to claim 1, wherein the hook assembly comprises an L-shaped fixing arm for hooking the plating rack, a limiting arm and a driving cylinder for driving the limiting arm to move downwards to fix the plating rack on the L-shaped fixing arm; the top in interior storehouse is equipped with rotates the platform, be located in on the interior storehouse position department that rotates the below of platform is equipped with the movable hole, the vertical end of L shape fixed arm passes the movable hole is fixed the bottom of rotating the platform, it locates to drive actuating cylinder through the mount the top of rotating the platform, spacing arm vertically sets up just run through directly over the horizontal end of L shape fixed arm rotate the platform, it does to rotate the bench drive actuating cylinder and provide the protection casing of protection.

8. The apparatus for removing residual electroplating liquid according to claim 1, wherein the air pressure balancing assembly comprises an air pressure sensor for detecting the internal pressure of the outer chamber, a second air pressure source for supplying air to the outer chamber, and a controller for controlling the on-off of the second air pressure source; the second air pressure source is a compressor; the air pressure sensor and the second air pressure source are both electrically connected with the controller.

9. A method for removing a plating residual liquid, using the plating residual liquid removing apparatus according to any one of claims 1 to 8, characterized in that the step of removing the residual liquid is carried out as follows: