CN210856334U

CN210856334U - EN liquid medicine automatic replenishing system

Info

Publication number: CN210856334U
Application number: CN201921605071.9U
Authority: CN
Inventors: 杨正海; 陈涛; 孙永叶
Original assignee: Suzhou Gefan Hardware Plastic Industry Co ltd
Current assignee: Suzhou Gefan Hardware Plastic Industry Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-26
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses an automatic system of adding of EN liquid medicine, including the liquid reserve tank, a metering cylinder and PLC controller, the liquid reserve tank passes through pipeline fixedly connected with liquid feeding pump, and the delivery port of liquid feeding pump passes through pipeline and a metering cylinder intercommunication, and through pipeline fixedly connected with valve on the metering cylinder, the valve passes through pipeline fixedly connected with nickel groove, and the nickel groove passes through pipeline fixedly connected with detection pump, is equipped with in the metering cylinder to be used for opening the control structure who stops the control to opening of liquid feeding pump, control structure, valve and detection pump all with PLC controller electric connection. The quantitative liquid supplementing device can quantitatively supplement liquid to the nickel tank through the liquid adding pump, and can automatically sample the nickel solution supplemented with the liquid through the detection pump.

Description

EN liquid medicine automatic replenishing system

Technical Field

The utility model relates to a nickel plating production facility field, concretely relates to automatic system of adding of EN liquid medicine.

Background

The nickel plating solution is prepared by reducing nickel ions in the solution by using a reducing agent and depositing the nickel ions on the surface of an object with catalytic activity. Electroless nickel plating has been developed for over 50 years to date. The chemical nickel-plating layer has excellent uniformity, hardness, wear resistance, corrosion resistance and other comprehensive physical and chemical properties, so that the technology is widely applied, and has high chemical stability and good plating binding force. The chemical stability of the electroless nickel layer is higher than that of the electroplated nickel layer in the atmosphere and in other media.

In the existing production process, the control of the nickel concentration in the nickel plating bath solution is manual sampling analysis, and the specific method comprises the following steps: taking out the nickel solution from the nickel plating bath solution, calculating the concentration of the sampled nickel through the quantitative relation of a chemical equilibrium equation based on the precipitation reaction and the color reaction of the nickel solution, and adding the nickel solution in a manual supplementing manner after calculating the required supplementing amount by contrasting with the process concentration.

The high-frequency manual analysis wastes manpower, and the detection and the use of the nickel solution are seriously influenced by the problems of the leakage of the nickel solution and the like during the manual liquid supplementing.

Disclosure of Invention

In order to overcome not enough among the prior art, the utility model provides an automatic system of adding of EN liquid medicine, it can the ration fluid infusion, and can be automatic to the nickel solution sample of fluid infusion.

In order to realize the above-mentioned purpose, the utility model discloses an automatic system of adding of EN liquid medicine, including the liquid reserve tank, a metering cylinder and PLC controller, the liquid reserve tank passes through pipeline fixedly connected with liquid feeding pump, the delivery port of liquid feeding pump passes through pipeline and a metering cylinder intercommunication, through pipeline fixedly connected with valve on the metering cylinder, the valve passes through pipeline fixedly connected with nickel groove, the nickel groove passes through pipeline fixedly connected with detection pump, be equipped with in the metering cylinder and be used for opening the control structure who stops the control to opening of liquid feeding pump, the liquid feeding pump, control structure, valve and detection pump all with PLC controller electric connection.

Furthermore, the control structure comprises a high liquid level controller and a low liquid level controller, the high liquid level controller and the low liquid level controller are both electrically connected with the PLC, negative electrode loops of the high liquid level controller and the low liquid level controller are connected in parallel and are positioned in the metering cylinder, and the height of the high liquid level controller is higher than that of the low liquid level controller.

Furthermore, the detection pump is connected with a beaker through a pipeline, and the PLC controller is electrically connected with a color detector for detecting the nickel solution in the beaker.

Furthermore, a flow controller is fixedly connected between the beaker and the detection pump, the flow controller is electrically connected with the PLC, and a one-way valve is arranged between the flow controller and the beaker.

Further, the check valve includes the body, is equipped with the inlet in the body, is equipped with the piston spare that is used for sheltering from the inlet in the body, and the hollow setting of piston spare is provided with the conduction mouth on the piston spare, is equipped with the spring that is used for promoting piston spare to remove in the body, is equipped with in the body to be used for the spacing collar to the spring position, is equipped with the liquid outlet on the spacing collar.

Further, one section of thread tooth section is arranged at each of the two ends of the outer side of the pipe body, the detection pipes are arranged at the two ends of the pipe body respectively, and the detection pipes are connected with the outer side of the pipe body in a threaded mode.

Furthermore, scale marks are equidistantly arranged on the outer side of the metering cylinder.

Furthermore, the inner wall of the liquid inlet is embedded with a sealing ring.

Has the advantages that: 1. the liquid feeding pump and the detection pump are arranged, and liquid feeding and discharging of the nickel tank are completed through the liquid feeding pump and the detection pump, so that the labor consumption is reduced;

2. the device is provided with a control structure and a PLC controller, and controls the action of the liquid adding pump to ensure that the liquid adding amount of the nickel bath is the same.

Drawings

The invention will be further described and illustrated with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of the whole of the present embodiment;

fig. 2 is a cross-sectional view of the check valve.

Reference numerals: 1. a liquid storage tank; 2. a metering drum; 3. a PLC controller; 4. a liquid adding pump; 5. a valve; 6. a nickel bath; 7. detecting the pump; 8. a high level controller; 9. a low level controller; 10. a negative electrode circuit; 11. a beaker; 12. a color detector; 13. a flow controller; 14. a one-way valve; 141. a pipe body; 142. a liquid inlet; 143. a piston member; 144. a conduction port; 145. a spring; 146. a limiting ring; 147. a liquid outlet; 148. a threaded tooth section; 15. a detection tube; 16. scale lines; 17. and (5) sealing rings.

Detailed Description

The technical solution of the present invention will be more clearly and completely explained by the description of the preferred embodiments of the present invention with reference to the accompanying drawings.

Example (b): as shown in figure 1, the EN automatic liquid medicine replenishing system comprises a liquid storage tank 1, a nickel tank 6, a metering cylinder 2 and a PLC (programmable logic controller) 3. The liquid storage tank is fixedly connected with a liquid adding pump 4, two ends of the liquid adding pump 4 are respectively and fixedly connected and communicated with the liquid storage tank 1 and the metering cylinder 2 through pipelines, the liquid adding pump 4 is electrically connected with the PLC controller 3, and the liquid adding pump 4 pumps nickel solution in the liquid storage tank 1 into the metering cylinder 2.

The measuring cylinder 2 is provided with a high liquid level controller 8 and a low liquid level controller 9, and the high liquid level controller 8 is higher than the low liquid level controller 9. And the positive and negative electrode loops 10 of the high liquid level controller 8 and the low liquid level controller 9 are electrically connected with the PLC 3 through leads. The bottom of the metering cylinder 2 is provided with a valve 5, the valve 5 can open and close the liquid discharge of the metering cylinder 2, the valve 5 is communicated with a nickel tank 6 through a pipeline, and the valve 5 is electrically connected with the PLC controller 3. The high liquid level controller 8 and the low liquid level controller 9 have no model requirement, and can adopt a model WRT-136SX liquid level controller.

The process that the PLC controller 3 controls the liquid inlet and outlet of the metering cylinder 2 is as follows: 1. an operator initiatively inputs a liquid adding command to the liquid adding pump 4 through the PLC controller 3, the liquid adding pump 4 works and adds nickel solution into the metering cylinder 2 from the liquid storage tank 1, meanwhile, the valve 5 is opened, liquid in the metering cylinder 2 flows into the nickel groove 6, the low-level controller 9 is electrified due to the rising of the liquid level in the metering cylinder 2, and the liquid level in the metering cylinder 2 gradually rises due to the fact that the water inlet of the liquid adding pump 4 is larger than the water outlet of the valve 5.

When the liquid level in the metering cylinder 2 rises and touches the high liquid level controller 8, the high liquid level controller 8 is electrified, the high liquid level controller 8 controls the liquid feeding pump 4 to stop working through the PLC 3, and the high liquid level controller 8 is powered off and the liquid level in the metering cylinder 2 is reduced along with the continuous liquid leakage of the valve 5;

2. when the liquid level in the metering cylinder 2 reaches the bottom end of the low liquid level controller 9 and the bottom end of the wire controlled by the low liquid level in the metering cylinder 2 just submerges out of the liquid surface in the metering cylinder 2, the low liquid level controller 9 is powered off, the low liquid level controller 9 controls the valve 5 to be closed through the PLC 3, and the liquid adding process of the nickel tank 6 is finished.

3. The operator repeats the 'filling' command and the filling pump 4 refills.

TABLE 1

The operating states of the low level controller 9, the high level controller 8, the charge pump 4, and the valve 5 are shown in table 1.

The outer wall of the measuring cylinder 2 is provided with scale marks 16, and an operator can adjust the heights of the high liquid level controller 8 and the low liquid level controller 9 to achieve the purpose of controlling the action time of the liquid adding pump 4. That is, when the high level controller 8 moves down by the height of the graduation line 16, the liquid level in the measuring cylinder 5 will contact the high level controller 8 in advance, and the high level controller 8 will advance by the graduation line 16 to close the charging pump 4.

Fixed connection detection pump 7 in nickel bath 6, detection pump 7 takes out and detects the nickel solution in with nickel bath 6 from nickel bath 6, and the play water end that detects pump 7 loops through pipe connection has flow controller 13, check valve 14, and detection pump 7 passes through wire and PLC controller 3 electric connection, and beaker 11 has been placed to the terminal pipeline department of check valve 14, and beaker 11 is arranged in holding the nickel solution that is taken out by detection pump 7 from nickel bath 6. The color side detector 12 is placed on the outer side of the beaker 11, the color side detector 12 can adopt an SC-10 color side detector 12, the color detector 12 is electrically connected with the PLC controller 3 through a lead, the color detector 12 performs color analysis on the nickel solution in the beaker 11, the color detector 12 compares the color of the detected nickel solution with a nickel solution color table of an internal standard of the nickel solution, then the color detector 12 sends a comparison result to the PLC controller 3, and the PLC controller displays the concentration quality condition of the nickel solution in the nickel tank 6 according to the color comparison result.

As shown in fig. 2, the check valve 14 includes a tube 141, a liquid inlet 142 is disposed in the tube 141, a piston 143 for shielding the liquid inlet 142 is disposed in the tube 141, the piston 143 is slidably disposed in the tube 1, a spring 145 for pushing the piston 143 to move is disposed in the tube 141, the piston 143 is hollow, a conduction opening 144 is disposed on the piston 143, the conduction opening 144 is communicated with the hollow position inside the piston 143, a position-limiting ring 146 for limiting the position of the spring 145 is disposed in the tube 141, two ends of the spring 145 respectively abut against the piston 143 and the position-limiting ring 146, and a liquid outlet 147 is disposed on the position-limiting ring 146. A ring of sealing ring 17 is embedded on the peripheral wall of the liquid inlet 142, and when the check valve 14 is closed, the end of the piston 143 penetrates into the inner ring of the sealing ring 17, and the gap of the peripheral wall of the piston rod is filled by the expansion of the sealing ring 17 to realize sealing.

In addition, the threaded tooth sections 148 are arranged outside the end parts of the two ends of the tube body 141, the detection tubes 15 for connecting the detection pump 7 and the beaker 11 are arranged at the two ends of the tube body 141, the detection tubes 15 are both in threaded connection with the outside of the tube body 141, and the threaded tooth sections 148 facilitate the assembly and disassembly of the check valve 14.

The above detailed description merely describes the preferred embodiments of the present invention and does not limit the scope of the present invention. Without departing from the design concept and spirit scope of the present invention, the ordinary skilled in the art should belong to the protection scope of the present invention according to the present invention provides the text description and drawings to the various modifications, replacements and improvements made by the technical solution of the present invention. The scope of protection of the present invention is determined by the claims.

Claims

The EN liquid medicine automatic replenishing system comprises a liquid storage tank (1), a metering cylinder (2) and a PLC (programmable logic controller) (3), and is characterized in that the liquid storage tank (1) is connected with a liquid adding pump (4) through a pipeline fixedly, a water outlet of the liquid adding pump (4) is communicated with the metering cylinder (2) through a pipeline, a valve (5) is fixedly connected with the metering cylinder (2) through the pipeline, the valve (5) is connected with a nickel tank (6) through a pipeline fixedly, the nickel tank (6) is connected with a detection pump (7) through a pipeline fixedly, a control structure used for controlling the opening and the closing of the liquid adding pump (4) is arranged in the metering cylinder (2), and the liquid adding pump (4), the control structure, the valve (5) and the detection pump (7) are all electrically connected with the PLC (3).
2. The EN automatic medicine water replenishing system according to claim 1, wherein the control structure comprises a high-level controller (8) and a low-level controller (9), the high-level controller (8) and the low-level controller (9) are both electrically connected with the PLC (3), negative electrode loops (10) of the high-level controller (8) and the low-level controller (9) are connected in parallel and are positioned in the metering cylinder (2), and the height of the high-level controller (8) is higher than that of the low-level controller (9).
3. The EN liquid medicine automatic replenishing system according to claim 1, wherein the detection pump (7) is connected with a beaker (11) through a pipeline, and the PLC (3) is electrically connected with a color detector (12) for detecting a nickel solution in the beaker (11).
4. The EN liquid medicine automatic replenishing system according to claim 3, wherein a flow controller (13) is fixedly connected between the beaker (11) and the detection pump (7), the flow controller (13) is electrically connected with the PLC (3), and a check valve (14) is arranged between the flow controller (13) and the beaker (11).
5. The EN liquid medicine automatic replenishing system according to claim 4, wherein the one-way valve (14) comprises a pipe body (141), the pipe body (141) is provided with a liquid inlet (142), the pipe body (141) is provided with a piston part (143) for shielding the liquid inlet (142), the piston part (143) is arranged in a hollow manner, the piston part (143) is provided with a conducting opening (144), the pipe body (141) is provided with a spring (145) for pushing the piston part (143) to move, the pipe body (141) is provided with a limiting ring (146) for limiting the position of the spring (145), and the limiting ring (146) is provided with a liquid outlet (147).
6. The EN liquid medicine automatic replenishing system according to claim 5, wherein a section of threaded tooth section (148) is respectively arranged at two outer ends of the pipe body (141), a detection pipe (15) is respectively arranged at two ends of the pipe body (141), and the detection pipe (15) is in threaded connection with the outer side of the pipe body (141).
7. The EN automatic liquid medicine replenishing system according to claim 1, wherein scale marks (16) are arranged on the outer side of the metering cylinder (2) at equal intervals.
8. The EN liquid medicine automatic replenishing system according to claim 5, wherein the inner wall of the liquid inlet (142) is embedded with a sealing ring (17).