CN115637484A

CN115637484A - Automatic medicine feeding control device for electroplating system

Info

Publication number: CN115637484A
Application number: CN202211276417.1A
Authority: CN
Inventors: 李悦
Original assignee: Huaian Huaidian Electric Co ltd
Current assignee: Huaian Huaidian Electric Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-24

Abstract

The invention discloses an automatic dosing control device for an electroplating system, which relates to the technical field of electroplating equipment and is characterized in that: the electroplating bath device comprises an electroplating bath, a PLC (programmable logic controller) is arranged outside the electroplating bath, the PLC is in signal connection with an ampere hour meter and a timer, the PLC is in signal connection with a metering pump, a mounting frame is arranged above the electroplating bath, a medicine storage tank communicated with the metering pump is arranged on the mounting frame, a traversing mechanism is arranged on the mounting frame, the bottom of the traversing mechanism is connected with a movable frame, the top of the movable frame is provided with a rotating motor, an output shaft of the rotating motor is provided with a first gear, the movable frame is provided with a liquid discharge pipe in a penetrating and rotating mode through an annular bearing, the periphery of the top of the liquid discharge pipe is provided with a second gear meshed with the first gear, the center of the top of the liquid discharge pipe is rotatably connected with a hard connecting pipe through the annular bearing, the connecting pipe is communicated with the metering pump through a hose, and the bottom of the liquid discharge pipe is provided with a liquid discharge disk; the invention can improve the uniformity of dosing and ensure the electroplating effect.

Description

Automatic medicine feeding control device for electroplating system

Technical Field

The invention relates to the technical field of electroplating equipment, in particular to an automatic dosing control device for an electroplating system.

Background

Electroplating is a process of plating a thin layer of other metals or alloys on the surface of a metal by using the principle of electrolysis, so that a layer of metal film can be attached to the surface of a metal or other material workpiece, and the process has the effects of preventing corrosion, improving the wear resistance, the conductivity and the light reflection of the electroplated workpiece, enhancing the appearance and the like. In the electroplating process, in an electroplating bath containing electroplating solution, a part to be plated serves as a cathode, a plating metal is used for making an anode, and the two electrodes are respectively connected with a cathode and an anode of direct current.

An ampere-hour meter (minute meter, coulomb meter) is a new type of intelligent instrument expressed in units of direct current electric quantity. The ampere-hour amount is the integral of current and time, and the corresponding metering instrument is an ampere-hour meter. In many industrial automation or power metering applications, ampere hour values need to be metered. In particular to the electroplating industry, the quality of the electroplated metal of the plating layer can be indirectly calculated by measuring the ampere hour flowing in the plating tank, thereby indirectly calculating the thickness of the plating layer. The ampere hour meter has the basic function of controlling the thickness of the plating layer, and can guide the addition and supplement of the components of the plating solution on time according to the ampere hour consumed by the plating solution, thereby ensuring the quality of the plating. The ampere-hour meter collects the real-time current value of the plating bath, calculates the ampere-hour accumulated value, and when the accumulated value reaches a preset value, the output contact controls the automatic feeding equipment to supplement additives and the like to the plating bath.

The existing multi-loop ampere-hour total measuring instrument with the application number of CN201910471649.4 and an electroplating control system and method; an electroplating liquid automatic dosing system with the application number of CN201210437108.8 and an automatic dosing method thereof, an electroplating liquid automatic dosing system with the application number of CN201220577251.2 and the like adopt an ampere hour meter to complete the dosing control of electroplating; the electroplating additive can be divided into complexing agent, brightening agent, surfactant, leveling agent, stress relieving agent, impurity removing agent, wetting agent and the like, wherein the most important is the brightening agent and the surfactant; but these electroplate medicament and add the device ubiquitous can not be convenient with the comparatively even problem of spraying of electroplating medicament in the electroplating bath for in the short time, electroplate medicament concentration differs in the plating bath, influence the electroplating effect.

Disclosure of Invention

The invention aims to provide an automatic dosing control device for an electroplating system, which improves dosing uniformity and ensures an electroplating effect.

In order to realize the purpose, the invention provides the following technical scheme:

the utility model provides an electroplating system adds medicine automatic control device, includes the plating bath, be equipped with the PLC controller outside the plating bath, PLC controller signal connection has ampere-hour meter and time-recorder, PLC controller signal connection has the measuring pump, the plating bath top is equipped with the mounting bracket, be equipped with the medicine storage tank that is linked together with the measuring pump on the mounting bracket, be equipped with sideslip mechanism on the mounting bracket, sideslip mechanism bottom is connected with the adjustable shelf, the adjustable shelf top is equipped with the rotating electrical machines, the output shaft of rotating electrical machines is equipped with first gear, the adjustable shelf runs through the rotation through annular bearing and is equipped with the fluid-discharge tube, and fluid-discharge tube top week side is equipped with the second gear with first gear engaged with, there is the connecting pipe of stereoplasm at fluid-discharge tube top center department through annular bearing swivelling joint, the connecting pipe is linked together through hose and measuring pump, the fluid-discharge tube bottom is equipped with the flowing back plate, open there are a plurality of holes in the inside cavity of fluid-discharge plate and bottom.

By adopting the scheme, when the electroplating solution tank is used, the ampere-hour meter detects that the accumulated electroplating current reaches a set value, and the ampere-hour meter controls the flow pump and the timer to be started through the PLC, so that an electroplating supplement in the solution storage tank sequentially passes through the metering pump, the hose, the liquid discharge pipe and the liquid discharge disk, is discharged from the liquid discharge hole and falls into the electroplating tank; after a period of time, the set value of the timer is reached, the PLC controls the metering valve to be closed and the state of the ampere-hour meter is refreshed at the same time, so that the next dosing cycle is prepared, and the automatic dosing function of the electroplating system is completed; in the medicine adding process, the transverse moving mechanism drives the movable frame to transversely move left and right, and the rotating motor rotates simultaneously, so that the first gear and the second gear drive the liquid discharge pipe and the liquid discharge disc to rotate, the falling of the electroplating replenisher is accelerated, the replenisher is added more uniformly, and the electroplating effect is guaranteed.

Preferably, the transverse moving mechanism is a bar-shaped electric sliding table, and a movable part of the electric sliding table is connected with the movable frame.

Preferably, the movable frame is fixedly connected with the outer wall of the connecting pipe through a fixed frame.

Preferably, the bottom of the liquid discharge tray is in a convex arc shape, and the highest position of the bottom of the liquid discharge tray is the center of the liquid discharge tray.

Preferably, a plurality of flexible stirring rods are installed on the periphery of the bottom of the liquid discharge disc in a threaded mode.

Preferably, the PLC controller is connected with a display screen, the ampere-hour meter, the timer and the flow pump are all arranged on the mounting frame, and the display screen is close to the PLC controller and is arranged on the outer side of the electroplating bath.

Preferably, the top of the connecting pipe is communicated with an air blowing pipe, and the air blowing pipe is connected with an air blower. The air blower is arranged on the mounting frame.

Preferably, the mounting frame is connected with the transverse moving mechanism through a lifting mechanism.

Preferably, the lifting mechanism comprises a lifting electric cylinder and a telescopic rod.

The invention has the following beneficial effects:

when the device is used, the ampere-hour meter detects that the accumulated electroplating current reaches a set value, the ampere-hour meter controls the flow pump and the timer to start through the PLC, so that an electroplating supplement in the chemical storage tank sequentially passes through the metering pump, the hose, the liquid discharge pipe and the liquid discharge disc, is discharged from the liquid discharge hole and falls into the electroplating bath; after a period of time, the set value of the timer is reached, the state of the ampere-hour meter is refreshed while the metering valve is controlled to be closed by the PLC controller, so that the next dosing cycle is prepared, and the automatic dosing function of the electroplating system is completed; in the medicine adding process, the transverse moving mechanism drives the movable frame to transversely move left and right, and the rotating motor rotates simultaneously, so that the first gear and the second gear drive the liquid discharge pipe and the liquid discharge disc to rotate, the falling of the electroplating replenisher is accelerated, the replenisher is added more uniformly, and the electroplating effect is guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a connection diagram according to an embodiment of the present invention.

FIG. 3 is a schematic view of a drain tray according to an embodiment of the present invention.

In the figure: 1. an electroplating bath; 2. a PLC controller; 3. an ampere-hour meter; 4. a timer; 5. a metering pump; 6. a display screen; 7. a mounting frame; 8. a medicine storage tank; 9. a traversing mechanism; 10. a movable frame; 111. a rotating electric machine; 112. a first gear; 113. a second gear; 121. a liquid discharge pipe; 122. a drain pan; 123. a drain hole; 131. a connecting pipe; 132. a hose; 14. a fixed mount; 15. a stirring rod; 161. a blower; 162. An air blowing pipe; 171. a lifting electric cylinder; 172. a telescopic rod; 18. a protective net cover.

Detailed Description

The invention is described in further detail below with reference to the drawings and the detailed description.

An automatic dosing control device of an electroplating system is shown in a figure 1-2 and comprises an electroplating bath 1, a PLC (programmable logic controller) 2 is arranged outside the electroplating bath 1, the PLC 2 is in signal connection with an ampere hour meter 3 and a timer 4, the PLC 2 is in signal connection with a metering pump 5, an installation frame 7 is arranged above the electroplating bath 1, a medicine storage tank 8 communicated with the metering pump 5 is arranged on the installation frame 7, a transverse moving mechanism 9 is arranged on the installation frame 7, a movable frame 10 is connected to the bottom of the transverse moving mechanism 9, a rotating motor 111 is arranged at the top of the movable frame 10, an output shaft of the rotating motor 111 is provided with a first gear 112, a liquid discharge pipe 121 is arranged on the movable frame 10 in a penetrating and rotating mode through an annular bearing, a second gear 113 meshed with the first gear 112 is arranged on the periphery of the top of the liquid discharge pipe 121, a hard connecting pipe 131 is rotatably connected to the center of the top of the liquid discharge pipe 121 through the annular bearing, the connecting pipe 131 is communicated with the metering pump 5 through a hose 132, a liquid discharge disc 122 is arranged at the bottom of the liquid discharge pipe 121, a hollow part inside of the liquid discharge disc 122, and a plurality of liquid discharge holes 123 are formed in the bottom of the liquid discharge disc 122;

as shown in fig. 1-2, in use, the ampere-hour meter 3 detects that the plating current reaches a set value, the ampere-hour meter 3 controls the flow pump and the timer 4 to start through the PLC controller 2, so that the plating replenisher in the drug storage tank 8 sequentially passes through the metering pump 5, the hose 132, the drain pipe 121 and the drain pan 122, and is finally discharged from the drain hole 123 to fall into the plating tank 1; after a period of time, the set value of the timer 4 is reached, the PLC 2 controls the metering valve to be closed and simultaneously refreshes the state of the ampere-hour meter 3 so as to prepare the next dosing cycle and complete the automatic dosing function of the electroplating system; in the dosing process, the transverse moving mechanism 9 drives the movable frame 10 to transversely move left and right, and meanwhile, the rotating motor 111 rotates, so that the first gear 112 and the second gear 113 drive the liquid discharge pipe 121 and the liquid discharge disc 122 to rotate, the falling of the electroplating replenisher is accelerated, the replenisher is added more uniformly, and the electroplating effect is guaranteed.

As shown in fig. 1, the traversing mechanism 9 is a strip-shaped electric sliding table, and the movable part of the electric sliding table is connected with a movable frame 10; the electric sliding table drives the movable frame 10 to move left and right, and is high in precision, stable and reliable.

As shown in fig. 1, the movable frame 10 is fixedly connected to the outer wall of the connection tube 131 through the fixed frame 14, so as to stabilize the position of the connection tube 131, prevent the connection tube 131 from rotating, and prevent the hose 132 from coiling and affecting the replenishment of the plating solution.

As shown in fig. 1 and 3, the bottom of the drain pan 122 is a convex arc, and the highest position of the bottom of the drain pan 122 is the center thereof; the electroplating solution firstly contacts the center of the bottom of the liquid discharge disc 122 to receive impact, the liquid discharge disc 122 rotates, and the edge is positioned at the lower part, so that the solution can flow conveniently, and the dosing speed is increased.

As shown in fig. 1 and 3, a plurality of flexible stirring rods 15 are installed on the periphery of the bottom of the liquid discharge disk 122 in a threaded manner; the threaded installation of the stirring rod 15 can be disassembled, so that the stirring rod is convenient to replace and remove, the bottom of the stirring rod 15 extends into the electroplating bath 1, the stirring is continuously carried out, and the uniformity of liquid in the electroplating bath 1 is improved.

As shown in fig. 1-2, the PLC controller 2 is connected with a display screen 6, the ampere-hour meter 3, the timer 4 and the flow pump are all arranged on a mounting rack 7, and the display screen 6 is arranged outside the electroplating bath 1 close to the PLC controller 2; the display screen 6 displays the relevant parameters of the ampere-hour meter 3, the counter and the flow pump, and is convenient for a user to observe and adjust.

As shown in fig. 1, the top of the connection pipe 131 is connected to an air blowing pipe 162, and the air blowing pipe 162 is connected to a blower 161. The blower 161 is arranged on the mounting rack 7; the blower 161 blows air to the drain pipe 121 through the air blowing pipe 162, and the liquid discharging speed is increased.

As shown in fig. 1, the mounting frame 7 is connected with the traversing mechanism 9 through a lifting mechanism; the lifting mechanism can drive the transverse moving mechanism 9 to lift, thereby adapting to different liquid level heights of the electroplating bath 1.

As shown in fig. 1, the lifting mechanism includes a lifting electric cylinder 171 and a telescopic rod 172; the upgrading electric cylinder drives the traversing mechanism 9 to ascend and descend, and the telescopic rod 172 improves the position stability of the traversing mechanism 9.

As shown in fig. 3, a protective mesh 18 may be selectively disposed outside the first gear 112 and the second gear 113; the influence of external foreign matter on the gear engagement is reduced, and the hose 132 is prevented from influencing the gear engagement.

The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the substantially same technical problems and achieve the substantially same technical effects are within the scope of the present invention.

Claims

1. The utility model provides an electroplating system adds medicine automatic control device, includes plating bath (1), plating bath (1) is equipped with PLC controller (2) outward, PLC controller (2) signal connection has ampere-hour meter (3) and time-recorder (4), PLC controller (2) signal connection has measuring pump (5), its characterized in that: plating bath (1) top is equipped with mounting bracket (7), be equipped with medicine storage tank (8) that are linked together with measuring pump (5) on mounting bracket (7), be equipped with sideslip mechanism (9) on mounting bracket (7), sideslip mechanism (9) bottom is connected with adjustable shelf (10), adjustable shelf (10) top is equipped with rotating electrical machines (111), the output shaft of rotating electrical machines (111) is equipped with first gear (112), adjustable shelf (10) run through the rotation through annular bearing and are equipped with fluid-discharge tube (121), and fluid-discharge tube (121) top week side is equipped with second gear (113) with first gear (112) engaged with, there is connecting pipe (131) of stereoplasm in fluid-discharge tube (121) top center department through annular bearing swivelling joint, connecting pipe (131) are linked together with measuring pump (5) through hose (132), fluid-discharge tube (121) bottom is equipped with drain pan (122), the inside cavity of fluid-discharge pan (122) and bottom are opened there are outage (123).

2. The automatic dosing control device for the electroplating system according to claim 1, wherein: the transverse moving mechanism (9) is a strip-shaped electric sliding table, and the movable part of the electric sliding table is connected with the movable frame (10).

3. The automatic dosing control device for the electroplating system according to claim 1, wherein: the movable frame (10) is fixedly connected with the outer wall of the connecting pipe (131) through the fixed frame (14).

4. The automatic dosing control device for the electroplating system according to claim 1, wherein: the bottom of the liquid discharge disc (122) is in a convex arc shape, and the highest position of the bottom of the liquid discharge disc (122) is the center of the liquid discharge disc.

5. The automatic dosing control device for the electroplating system according to claim 1, wherein: and a plurality of flexible stirring rods (15) are arranged on the periphery of the bottom of the liquid discharge disc (122) in a threaded manner.

6. The automatic dosing control device for the electroplating system according to claim 1, wherein: PLC controller (2) is connected with display screen (6), ampere-hour meter (3), time-recorder (4) and flow pump all establish on mounting bracket (7), display screen (6) are close to PLC controller (2) and set up in the plating bath (1) outside.

7. The automatic dosing control device for the electroplating system according to claim 1, wherein: the top of the connecting pipe (131) is communicated with a telescopic air blowing pipe (162), and the air blowing pipe (162) is connected with an air blower (161). The air blower (161) is arranged on the mounting frame (7).

8. The automatic dosing control device for the electroplating system according to claim 1, wherein: the mounting rack (7) is connected with the transverse moving mechanism (9) through a lifting mechanism.

9. The automatic dosing control device for the electroplating system according to claim 1, wherein: the lifting mechanism comprises a lifting electric cylinder (171) and a telescopic rod (172).