Silicone oil water-based stripping agent automatic dilution and proportioning equipment

Abstract

The utility model provides a kind of automatic dilution proportioning equipment of silicone oil water-based stripping agent, including proportioning box, the inside of proportioning box is provided with partition, partition separates the inside of proportioning box into dilution proportioning bin and proportioning control bin, and mixing stirring assembly and thermostatic heating unit are provided in dilution proportioning bin, and the bottom center of dilution proportioning bin is provided with electric control water outlet pipe, the inner wall of proportioning control bin is provided with adapter, and the water pipe import and raw liquid import with the adapter have the water pipe import and raw liquid import to outside, both are communicated with the water supply equipment and raw liquid conveying equipment outside, proportioning control bin is provided with raw liquid piston jar, water supply module, both are communicated with adapter by pipeline, also simultaneously with dilution proportioning bin, the outside of proportioning control bin is provided with control module, solve the existing problem that manual weighing is not accurate, error rate is higher, and time-consuming and labor-consuming, the problem of low efficiency of dilution proportioning.

Description

Technical Field

[0001] This utility model relates to the field of mold release agent dilution technology, and more specifically, to an automatic dilution and proportioning device for silicone oil-based water-based mold release agents. Background Technology

[0002] Silicone oil-based water-based release agents are important auxiliary materials in the mold processing field, and their performance directly affects the surface quality of castings and the release efficiency. These release agents are compounded from organosilicon oil, lubricating synthetic grease, surfactants, and additives in a fixed ratio. The resulting stock solution is a white emulsion. It is applied by mixing with water at a high dilution ratio of 1:300-500, and then wiping, brushing, or spraying the diluted solution onto the mold surface. In existing technologies, dilution operations generally rely on manual experience for proportioning. However, manual weighing has the following problems: inaccurate dilution ratios, high error rates, time-consuming and labor-intensive, and inefficient. Utility Model Content

[0003] To overcome the above deficiencies, this utility model provides an automatic dilution and proportioning device for silicone oil-based water-based release agents, which solves the aforementioned problems.

[0004] This utility model is implemented as follows: An automatic dilution and proportioning device for a silicone oil-based water-based release agent includes a proportioning tank. A partition plate is provided on the inner side of the proportioning tank, dividing the interior of the tank into a dilution and proportioning compartment and a proportioning control compartment. The dilution and proportioning compartment is equipped with a mixing and stirring assembly and a constant temperature heating unit. An electrically controlled water outlet pipe is located at the bottom center of the dilution and proportioning compartment. A connecting component is provided on the inner wall of the proportioning control compartment. The connecting component has a water inlet and a raw liquid inlet that penetrate the proportioning control compartment to the outside, both of which are connected to external water supply equipment and raw liquid conveying equipment. The proportioning control compartment is equipped with a raw liquid piston tank and a water delivery module, both of which are connected to the connecting component via pipes and also to the dilution and proportioning compartment. A control module is located on the outer side of the proportioning control compartment.

[0005] Furthermore, the mixing assembly includes a stirring motor disposed at the top of the dilution mixing chamber, the output shaft of the stirring motor extending into the interior of the dilution mixing chamber and connected to a stirring rod, the bottom end of the stirring rod being provided with a blade, and the stirring motor being electrically connected to the control module.

[0006] Furthermore, the constant temperature heating unit includes a heating coil disposed on the inner wall of the dilution mixing chamber near the bottom, and a temperature sensor is also disposed on the inner wall of the dilution mixing chamber. The heating coil and the temperature sensor are electrically connected to the control module respectively.

[0007] Furthermore, the electrically controlled water outlet pipe includes a flow meter and a third solenoid valve arranged from top to bottom along its pipe body, and the flow meter and the third solenoid valve are electrically connected to the control module respectively.

[0008] Furthermore, the docking member has a first outlet connected to the water pipe inlet and a second outlet connected to the raw liquid inlet at one end opposite to the water pipe inlet.

[0009] Furthermore, the water delivery module includes a water pump, a first water delivery pipe extending from the first outlet and communicating with the water pump, a second water delivery pipe connected to the outlet of the water pump, and the other end of the second water delivery pipe passing through a partition plate, a flow valve being provided on the second water delivery pipe, and the water pump and the flow valve being electrically connected to the control module respectively.

[0010] Furthermore, a support plate is provided on the inner side of the proportioning control chamber, and the raw liquid piston tank is disposed on the support plate.

[0011] Furthermore, a limiting plate is provided inside the original liquid piston tank, and a piston rod is provided above the limiting plate. The piston rod includes a valve disc and a valve stem. The bottom of the valve stem passes through the limiting plate and the support plate. An electric actuator is provided at the bottom of the proportioning control chamber. The output shaft of the electric actuator is coaxial with the valve stem. A pressure switch is provided at the bottom of the limiting plate, and the probe of the pressure switch passes through the limiting plate to its top.

[0012] Furthermore, the top of the raw liquid piston tank has two pipes, one of which is connected to the second outlet and a first solenoid valve is installed between them, and the other pipe passes through the partition plate and a second solenoid valve is installed on the pipe. The electric push rod, the pressure switch, the first solenoid valve and the second solenoid valve are respectively electrically connected to the control module.

[0013] Furthermore, the control module includes a PLC controller and an LCD touch screen.

[0014] The beneficial effects of this invention are as follows: Human-machine interaction is achieved through the PLC controller and LCD touchscreen of the control module. After the operator sets the target dilution ratio, the system automatically executes the mixing process. The stock solution piston tank adopts a piston-type quantitative structure, and the electric actuator drives the valve disc to precisely release a fixed volume of stock solution. A pressure switch automatically stops replenishment when the liquid level is full, ensuring a constant supply of stock solution. The water delivery module monitors the water volume in real time through a flow valve. The PLC controls the start and stop of the water pump according to the set ratio, achieving precise addition of the water solvent. During the mixing process, the stirring motor drives the impeller to complete the homogenization process. Simultaneously, the constant temperature heating unit, linked with the heating coil through a temperature sensor, stabilizes the temperature of the dilution chamber within the 20-30℃ range, preventing the silicone oil emulsion from breaking or separating due to abnormal temperature. After mixing, the electrically controlled water outlet pipe detects the emptying status through a flow meter, and the third solenoid valve automatically closes in preparation for the next operation. Automated control reduces the dilution error rate, and the batch mixing time is also shortened through automation. The constant temperature system ensures emulsion stability, solving the industry pain points of low-temperature demulsification and high-temperature slagging. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 A schematic diagram of an automatic dilution and proportioning device for a silicone oil-based water-based release agent provided for an embodiment of this utility model; Figure 2 A cross-sectional view of an automatic dilution and proportioning device for a silicone oil-based water-based release agent provided for an embodiment of this utility model; Figure 3 for Figure 2 Enlarged view of point A in the middle; Figure 4 A cross-sectional view of the docking component provided for an embodiment of this utility model; Figure 5 A communication block diagram provided for embodiments of this utility model.

[0017] In the diagram: 10. Proportioning tank; 11. Casters; 12. Divider plate; 13. Dilution proportioning chamber; 14. Proportioning control chamber; 1401. Support plate; 15. Electrically controlled water outlet pipe; 1501. Flow meter; 1502. Third solenoid valve; 20. Connecting part; 21. Water pipe inlet; 22. Raw material inlet; 23. First outlet; 24. Second outlet; 30. Raw material piston tank; 31. Piston rod; 3101. Valve disc; 3102. Valve stem; 32. Limit plate; 33. Pressure switch; 34. First solenoid valve; 35. Second solenoid valve; 36. Electric actuator; 40. Water delivery module; 41. Water pump; 42. Flow valve; 50. Mixing and stirring assembly; 51. Stirring motor; 52. Stirring rod; 53. Paddle; 60. Constant temperature heating unit; 61. Heating coil; 62. Temperature sensor; 70. Control module. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0020] like Figure 1-2As shown in Figure 5, this utility model provides an automatic dilution and proportioning device for a silicone oil-based water-based release agent, including a proportioning tank 10. The bottom of the proportioning tank 10 is equipped with casters 11 for easy transport. A partition plate 12 is provided inside the proportioning tank 10, dividing the interior into a dilution and proportioning chamber 13 and a proportioning control chamber 14. The dilution and proportioning chamber 13 is equipped with a mixing and stirring assembly 50 and a constant temperature heating unit 60, which together achieve stable dilution of the silicone oil-based water-based release agent stock solution with water. An electrically controlled water outlet pipe 15 is located at the center of the bottom of the dilution and proportioning chamber 13. A connecting part 20 is provided on the inner wall of the proportioning control chamber 14, and the connecting part 20 has a water inlet 21 that penetrates the proportioning control chamber 14 to the outside. The raw material inlet 22 is connected to the external water supply equipment and raw material conveying equipment. The proportioning control chamber 14 is equipped with a raw material piston tank 30 and a water delivery module 40, which are connected to the docking part 20 through pipes. It is also connected to the dilution proportioning chamber 13. The outside of the proportioning control chamber 14 is equipped with a control module 70, which includes a PLC controller and an LCD touch screen. The LCD touch screen allows the staff to input the dilution ratio, so that the PLC controls the water replenishment based on the dilution ratio. The volume of raw material in the raw material piston tank 30 is kept fixed, that is, the water dilution ratio is controlled separately. Its advantage is that water, as a solute, requires a large volume. In the proportioning, water is a variable, and the error after mixing will be reduced.

[0021] In this embodiment, the mixing and stirring assembly 50 includes a stirring motor 51 disposed at the top of the dilution and proportioning chamber 13. The output shaft of the stirring motor 51 extends into the interior of the dilution and proportioning chamber 13 and is connected to a stirring rod 52. A blade 53 is disposed at the bottom end of the stirring rod 52. The stirring motor 51 is electrically connected to the control module 70. The constant temperature heating unit 60 includes a heating coil 61 disposed on the inner side wall of the dilution and proportioning chamber 13 near the bottom. A temperature sensor 62 is also disposed on the inner side wall of the dilution and proportioning chamber 13. The heating coil 61 and the temperature sensor 62 are electrically connected to the control module 70 respectively.

[0022] It should be noted that the temperature inside the dilution mixing chamber 13 should be controlled within the range of 20-30 degrees Celsius. Silicone oil emulsions are sensitive to temperature. If the temperature is too low (below 15 degrees Celsius), it will reduce the activity of the emulsifier, causing silicone oil molecules to aggregate, separate, or break the emulsion. If the temperature is too high (above 40 degrees Celsius), it will accelerate molecular motion, destroy the stability of the emulsion system, and cause oil-water separation or sludge formation. Maintaining the temperature inside the chamber within the range of 20-30 degrees Celsius will ensure stable mixing and prevent separation / sedimentation / floating oil.

[0023] In a preferred embodiment, the stirring time of the stirring motor 51 during a single batch dilution process is 5 minutes, and this time is calculated from the time the temperature sensor 62 detects that the liquid temperature has stabilized above 20 degrees.

[0024] In this embodiment, the electrically controlled water outlet pipe 15 includes a flow meter 1501 and a third solenoid valve 1502 arranged from top to bottom on its pipe body. The flow meter 1501 and the third solenoid valve 1502 are electrically connected to the control module 70, that is, the flow meter 1501 is used to determine whether the dilution mixing chamber 13 has completely flowed out when the third solenoid valve 1502 is in the open state by the flow rate value. After the complete flow, the next dilution operation can be prepared.

[0025] like Figure 4 As shown, the docking part 20 has a first outlet 23 connected to the water pipe inlet 21 and a second outlet 24 connected to the raw liquid inlet 22 at one end opposite to the water pipe inlet 21.

[0026] In this embodiment, the water delivery module 40 includes a water pump 41. A first water delivery pipe extends from the first outlet 23 and is connected to the water pump 41. A second water delivery pipe is connected to the outlet of the water pump 41, and the other end of the second water delivery pipe passes through the partition plate 12. A flow valve 42 is provided on the second water delivery pipe. The water pump 41 and the flow valve 42 are electrically connected to the control module 70 respectively.

[0027] Furthermore, a support plate 1401 is provided on the inner side of the proportioning control chamber 14, and the raw liquid piston tank 30 is placed on the support plate 1401.

[0028] like Figure 3 As shown, the original liquid piston tank 30 has a limiting plate 32 inside, and a piston rod 31 is provided above the limiting plate 32. The piston rod 31 includes a valve disc 3101 and a valve stem 3102. The bottom of the valve stem 3102 passes through the limiting plate 32 and the support plate 1401. The bottom of the proportioning control chamber 14 is provided with an electric push rod 36. The output shaft of the electric push rod 36 is coaxial with the valve stem 3102. The bottom of the limiting plate 32 is provided with a pressure switch 33. The probe of the pressure switch 33 passes through the limiting plate 32 to its top. Furthermore, the top of the original liquid piston tank 30 has two pipes. One pipe is connected to the second outlet 24, and a first solenoid valve 34 is provided between the two. The other pipe passes through the partition plate 12, and a second solenoid valve 35 is provided on the pipe. The electric push rod 36, the pressure switch 33, the first solenoid valve 34 and the second solenoid valve 35 are electrically connected to the control module 70.

[0029] It should be noted that the pipes on the original liquid piston tank 30 and the water delivery module 40 pass through the partition plate 12 on the side near the top.

[0030] Specifically, in the off state, the electric actuator 36 is fully retracted. When the raw material piston tank 30 needs to be filled, the second solenoid valve 35 is closed while the first solenoid valve 34 is opened, allowing the raw material to enter the raw material piston tank 30 and causing the piston rod 31 to move downwards until the valve disc 3101 contacts the pressure switch 33. At this time, the PLC controller receives a trigger signal from the pressure switch 33, which controls the first solenoid valve 34 to close. For further dilution, the second solenoid valve 35 is opened, and the electric actuator 36 rises. At this time, the output shaft of the electric actuator 36 contacts the valve rod 3102, thereby causing the valve disc 3101 to push the raw material into the dilution tank. In the mixing chamber 13, when the electric push rod 36 is fully extended, the valve disc 3101 abuts against the top of the original liquid piston tank 30. The structure of the original liquid piston tank 30 can maintain a fixed volume of the release agent stock solution as a solute in the dilution ratio. The water, as a solvent, accounts for a relatively large proportion in the dilution ratio. Therefore, while ensuring a fixed volume of the release agent stock solution, the overall error range of the diluted release agent will also be smaller. After a single injection of the stock solution is completed, the second solenoid valve 35 is closed, and the electric push rod 36 is fully retracted to prepare for the next injection of the stock solution into the original liquid piston tank 30.

[0031] As a preferred embodiment, various dilution ratios can be entered through the LCD touch screen. That is, while ensuring that the original liquid volume remains unchanged, the amount of water solvent added is monitored through the flow valve 42 at the water delivery module 40. When the target addition capacity is met, an electrical signal is sent to the PLC for control and the valve is closed. At the same time, the PLC controller controls the water pump 41 to shut down.

[0032] It should be noted that the specific models and specifications of the flow meter 1501, the third solenoid valve 1502, the pressure switch 33, the first solenoid valve 34, the second solenoid valve 35, the electric actuator 36, the water pump 41, the flow valve 42, the stirring motor 51, the heating coil 61, the temperature sensor 62, and the control module 70 need to be selected and determined according to the actual specifications of the device. The specific selection and calculation method adopts the existing technology in this field, so it will not be described in detail.

[0033] The power supply and operating principles of the flow meter 1501, the third solenoid valve 1502, the pressure switch 33, the first solenoid valve 34, the second solenoid valve 35, the electric actuator 36, the water pump 41, the flow valve 42, the stirring motor 51, the heating coil 61, the temperature sensor 62, and the control module 70 are clear to those skilled in the art and will not be described in detail here.

[0034] The present invention has been further described above with reference to specific embodiments. However, it should be understood that the specific description herein should not be construed as limiting the substance and scope of the present invention. Various modifications made by those skilled in the art to the above embodiments after reading this specification are all within the scope of protection of the present invention.

Claims

1. An automatic dilution and proportioning device for a silicone oil-based water-based release agent, characterized in that, The device includes a mixing tank, with a partition plate on its inner side dividing the tank into a dilution mixing chamber and a mixing control chamber. The dilution mixing chamber contains a mixing and stirring assembly and a constant temperature heating unit. An electrically controlled water outlet pipe is located at the center of the bottom of the dilution mixing chamber. The inner wall of the mixing control chamber has a connecting piece with a water inlet and a raw liquid inlet that extend through the mixing control chamber to the outside. Both are connected to external water supply equipment and raw liquid conveying equipment. The mixing control chamber contains a raw liquid piston tank and a water delivery module, which are connected to the connecting piece via pipes and also to the dilution mixing chamber. A control module is located on the outer side of the mixing control chamber.

2. The automatic dilution and proportioning equipment for a silicone oil-based water-based release agent according to claim 1, characterized in that, The mixing assembly includes a stirring motor mounted on top of the dilution mixing chamber. The output shaft of the stirring motor extends into the interior of the dilution mixing chamber and is connected to a stirring rod. The bottom end of the stirring rod is provided with a blade. The stirring motor is electrically connected to the control module.

3. The automatic dilution and proportioning equipment for a silicone oil-based water-based release agent according to claim 1, characterized in that, The constant temperature heating unit includes a heating coil disposed on the inner wall of the dilution mixing chamber near the bottom. The inner wall of the dilution mixing chamber is also provided with a temperature sensor. The heating coil and the temperature sensor are electrically connected to the control module.

4. The automatic dilution and proportioning equipment for a silicone oil-based water-based release agent according to claim 1, characterized in that, The electrically controlled water outlet pipe includes a flow meter and a third solenoid valve arranged from top to bottom along its body. The flow meter and the third solenoid valve are electrically connected to the control module.

5. The automatic dilution and proportioning equipment for a silicone oil-based water-based release agent according to claim 1, characterized in that, The connector has a first outlet connected to the water pipe inlet and a second outlet connected to the raw liquid inlet at one end opposite to the water pipe inlet.

6. The automatic dilution and proportioning equipment for a silicone oil-based water-based release agent according to claim 5, characterized in that, The water delivery module includes a water pump, a first water delivery pipe extending from the first outlet and communicating with the water pump, a second water delivery pipe connected to the outlet of the water pump, and the other end of the second water delivery pipe passing through a partition plate, and a flow valve installed on the second water delivery pipe, and the water pump and the flow valve being electrically connected to the control module respectively.

7. The automatic dilution and proportioning equipment for a silicone oil-based water-based release agent according to claim 5, characterized in that, A support plate is provided on the inner side of the proportioning control chamber, and the raw liquid piston tank is placed on the support plate.

8. The automatic dilution and proportioning equipment for a silicone oil-based water-based release agent according to claim 7, characterized in that, The original liquid piston tank is equipped with a limiting plate inside. A piston rod is provided above the limiting plate. The piston rod includes a valve disc and a valve stem. The bottom of the valve stem passes through the limiting plate and the support plate. An electric actuator is provided at the bottom of the proportioning control chamber. The output shaft of the electric actuator is coaxial with the valve stem. A pressure switch is provided at the bottom of the limiting plate. The probe of the pressure switch passes through the limiting plate to its top.

9. An automatic dilution and proportioning device for a silicone oil-based water-based release agent according to claim 8, characterized in that, The top of the raw liquid piston tank has two pipes, one of which is connected to the second outlet and a first solenoid valve is installed between them. The other pipe passes through the partition plate and a second solenoid valve is installed on this pipe. The electric actuator, the pressure switch, the first solenoid valve and the second solenoid valve are respectively electrically connected to the control module.

10. An automatic dilution and proportioning device for a silicone oil-based water-based release agent according to claim 1, characterized in that, The control module includes a PLC controller and an LCD touch screen.

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