Green friction lubricating liquid multi-working condition formula test and blending method

Abstract

The application discloses a green friction lubricating liquid multi-working condition formula test and blending method, which comprises the following steps: S1, inputting the to-be-blended processing liquid into a liquid storage tank of a closed liquid storage system through a raw liquid conveying mechanism; S2, opening a fifth valve at a liquid outlet end of the liquid storage tank and / or a second valve connected with the raw liquid conveying mechanism, and inputting the to-be-blended processing liquid in the liquid storage tank from the bottom into a test bench through a conveying pump; S3, starting the test bench, adjusting a friction gap between a friction mechanism and a base plate, and controlling variable speed friction between the friction mechanism and the base plate; S4, if there are bubbles in the blended processing liquid, eliminating the bubbles through the friction mechanism and a main pipeline to input the bubbles into a cavitation occurrence device, inputting the blended processing liquid into corresponding liquid storage tanks in the closed liquid storage system to complete a blending cycle, and recycling and reusing abrasive particles in waste liquid; and S5, recycling and reusing abrasive particles in waste liquid. The application can not only realize cross-blending and recycling of the processing liquid, but also can verify the formula after blending on line, so that the development efficiency of the formula is greatly improved.

Description

Multi-condition formulation test and blending method of green friction lubricant Technical Field

[0001] This invention relates to multi-condition formulation testing and blending methods for green friction lubricants. Background Technology

[0002] Machining fluids primarily function as lubricants and coolants, while also providing rust prevention and cleaning. Common machining fluids include cutting fluids, cutting oils, emulsions, stamping oils, quenching agents, high-temperature oils, extreme-pressure cutting fluids, grinding fluids, rust-preventive oils, cleaning agents, blackening agents, and deep-drawing oils. Machining fluids are typically produced by mixing and reacting various chemical liquids to obtain a stable liquid form. Properly managed processes during the production of machining fluids are essential for quickly and effectively obtaining high-quality products.

[0003] Existing processing fluids generally require laboratory preparation, followed by concentration verification. However, factory processing fluids need to be used immediately after preparation, rather than stored for a period of time. This method can easily cause precipitation in the processing fluid, leading to significant differences in its effectiveness. Furthermore, the use of formulations lacks online verification, necessitating the development of methods and systems that can verify formulation effects online to increase formulation development efficiency. Summary of the Invention

[0004] The purpose of this invention is to provide a technical solution for testing and blending green friction lubricant formulations under multiple operating conditions, addressing the shortcomings of existing technologies. This testing and blending method is simple in procedure, enabling not only cross-mixing and recycling of processing fluids, but also online verification of the formulated mixtures, greatly improving the efficiency of formulation development.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] The method for testing and blending green friction lubricant formulations under multiple operating conditions is characterized by the following steps:

[0007] S1. Open the third valve between the raw liquid conveying mechanism and the closed liquid storage system and the fourth valve at the inlet end of the corresponding liquid storage tank in the closed liquid storage system through the control terminal. Input the liquid to be processed into the liquid storage tank in the closed liquid storage system through the raw liquid conveying mechanism until the liquid to be processed in the liquid storage tank reaches the required liquid level, and then close the third valve and the fourth valve.

[0008] S2. Open the fifth valve at the outlet of the corresponding storage tank and / or the second valve connected to the raw liquid conveying mechanism through the control terminal. The liquid to be mixed in the storage tank is conveyed to the inlet valve through the main pipeline by the conveying pump. Open the inlet valve so that the liquid to be mixed is input into the test bench from the bottom through the inlet flow detection device and the inlet pressure detection device. The inlet flow detection device and the inlet pressure detection device transmit the detected flow and pressure data to the control terminal.

[0009] S3. Start the test bench, adjust the position of the substrate through the load detection module and the inclination adjustment module, and adjust the friction gap between the friction mechanism and the substrate. At the same time, adjust the temperature and pressure inside the chamber through the temperature range generator and the altitude simulation device, control the variable speed friction between the friction mechanism and the substrate, and form a gap liquid film in the friction gap.

[0010] S4. If there are air bubbles in the mixed processing fluid, it is fed into the cavitation generator through the friction mechanism via the main pipeline. The cavitation generator eliminates the air bubbles and feeds the mixed processing fluid into the corresponding storage tank in the closed storage system to complete the processing fluid mixing and circulation. The outlet pressure detection device and outlet flow detection device on the main pipeline transmit the detected flow and pressure data to the control terminal.

[0011] S5. Waste liquid leaking from the test bench is treated by the abrasive concentration control system to recover the abrasive particles in the waste liquid. The recovered abrasive particles are then fed into the test bench for reuse or into the sealed storage system to be mixed with the original processing fluid for further preparation.

[0012] The experimental and blending methods are simple to follow. They not only enable cross-mixing and recycling of processing fluids, but also allow for online verification of the formulated mixtures, greatly improving the efficiency of formula development, meeting the formulation requirements of more formulas, and significantly reducing the cost of blending and mixing processing fluids.

[0013] Furthermore, the raw material delivery mechanism includes a raw material tank, a temperature controller, a first valve, and a first flow detection device. The temperature sensor is connected to the raw material tank, and the first flow detection device is connected to the raw material tank through the first valve. The raw material tank can store the processing liquid to be prepared for initial and subsequent preparation. The temperature controller is used to control the temperature of the processing liquid to be prepared to meet the preparation requirements of different processing liquids. The first flow detection device is used to detect the delivery volume of the processing liquid to be prepared, thereby improving the preparation accuracy.

[0014] Furthermore, the closed liquid storage system includes several liquid storage tanks connected in parallel, which can store more processing fluid, meet the formulation requirements of various formulas, and improve the formulation efficiency of processing fluid.

[0015] Furthermore, in step S3, both the friction mechanism and the substrate are located in the housing. The friction mechanism is located above the substrate, and the substrate has an opening. The bottom of the housing has a guide tube connected to the opening for inputting the processing fluid to be prepared into the friction gap.

[0016] Furthermore, the friction mechanism includes a hollow elastic grinding head, a sleeve that drives the elastic grinding head to rotate, and a variable frequency motor for driving the sleeve to rotate. The sleeve is rotatably connected to the housing through a gap adjuster. The elastic grinding head is connected to one end of the sleeve, and the other end of the sleeve is connected to a rotary sealing device. The variable frequency motor drives the sleeve to rotate at a variable speed, controlling the elastic grinding head to perform variable speed friction on the processing fluid to be prepared, thereby improving the preparation efficiency of the processing fluid. The prepared processing fluid can be transported outward through the sleeve through the interior of the elastic grinding head.

[0017] Furthermore, the distance between the friction gaps is H, and the range of H is 0 to 0.15 mm.

[0018] Furthermore, the cavitation generating device in step S4 includes a first outlet valve, a second outlet valve, and a cavitation generating pump. The second outlet valve is connected in series with the cavitation generating pump, and the first outlet valve is connected in parallel with the second outlet valve. When grinding is performed under fully enclosed conditions, bubbles will be generated due to the varying grinding speed. The first outlet valve is closed, the second outlet valve connected to the cavitation generating pump is opened, and the opening of the inlet valve is reduced. The cavitation generated by the cavitation generating pump eliminates the bubbles. When it is not necessary to eliminate the bubbles, the second outlet valve connected to the cavitation generating pump is closed, and the cavitation generating pump is shut down. The processing fluid enters the closed storage system through the first outlet valve, completing the circulation of the processing fluid.

[0019] Furthermore, the abrasive concentration control system in step S5 includes a metering and recovery device, a safety valve, a recovery pump, a separation tank, and a second flow detection device. The metering and recovery device is connected to the test bench. The safety valve is located between the metering and recovery device and the recovery pump. The separation tank is located between the recovery pump and the second flow detection device. The separation tank is equipped with an abrasive concentration detector. The metering and recovery device collects the leaked processing fluid from the test bench and recovers the abrasive particles through the centrifugal action of the recovery pump via the safety valve, reducing the loss of abrasive particles and allowing them to be reused. The separation tank can separate and filter the abrasive particles and waste liquid, and the output of abrasive particles is detected by the second flow detection device.

[0020] The present invention, by adopting the above-described technical solution, has the following beneficial effects:

[0021] 1. The experimental and blending methods are simple in procedure, which can not only realize the cross-mixing and recycling of processing fluids, but also verify the proportioned formulas online, greatly improving the efficiency of formula development, meeting the proportioning requirements of more formulas, and greatly reducing the cost of blending and proportioning processing fluids.

[0022] 2. The variable frequency motor drives the sleeve to rotate at a variable speed, and controls the elastic grinding head to perform variable speed friction on the processing fluid to be prepared, thereby improving the efficiency of processing fluid preparation. The prepared processing fluid can be transported out through the sleeve through the inside of the elastic grinding head to meet the processing requirements of cutting fluid and grinding fluid.

[0023] 3. The metering and recovery device collects the leaked processing fluid from the test bench. Through the safety valve and the centrifugal action of the recovery pump, the abrasive particles are recovered, reducing the loss of abrasive particles and allowing them to be reused. The separation tank can separate and filter the abrasive particles and waste liquid, and the output of abrasive particles is detected by the second flow detection device. Attached Figure Description

[0024] The present invention will be further described below with reference to the accompanying drawings:

[0025] Figure 1 is a flowchart of the multi-condition formulation test and blending method of the green friction lubricant of the present invention;

[0026] Figure 2 is a schematic diagram of the test system in this invention;

[0027] Figure 3 is a schematic diagram of the test bench in this invention;

[0028] Figure 4 is a schematic diagram of the closed liquid storage system in this invention;

[0029] Figure 5 is a schematic diagram of the abrasive concentration control system in this invention.

[0030] In the diagram: 1-Solid tank; 2-Temperature controller; 3-First valve; 4-First flow detection device; 5-Second valve; 6-Transfer pump; 7-Inlet valve; 8-Inlet flow detection device; 9-Inlet pressure detection device; 10-Test bench; 12-Outlet pressure detection device; 13-Outlet flow detection device; 14-First outlet valve; 15-Second outlet valve; 16-Cavitation pump; 17-Closed storage system; 18-Third valve; 19-Control terminal; 20-Abrasive particle concentration control system; 21-Temperature generator; 22-Altitude simulation Device; 23-Baseboard; 24-Conducting pipe; 25-Load detection module; 26-Inclination adjustment module; 27-Elastic grinding head; 28-Sleeve; 29-Gap adjuster; 30-Rotary sealing device; 31-Variable frequency motor; 32-Gap liquid film; 33-Abrasive grain; 34-Box; 35-Storage tank; 36-Fourth valve; 37-Fifth valve; 38-Metering and recovery device; 39-Safety valve; 40-Recovery pump; 41-Separation tank; 42-Abrasive grain concentration detector; 43-Sixth valve; 44-Second flow detection device; 45-Main pipeline. Detailed Implementation

[0031] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0032] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0033] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0034] As shown in Figures 1 to 5, the multi-condition formulation test and blending method of the green friction lubricant of the present invention includes the following steps:

[0035] S1. Open the third valve 18 between the raw liquid delivery mechanism and the closed liquid storage system 17 and the fourth valve 36 at the inlet of the corresponding liquid storage tank 35 in the closed liquid storage system 17 through the control terminal 19. The raw liquid delivery mechanism inputs the liquid to be prepared into the liquid storage tank 35 in the closed liquid storage system 17 for storage until the liquid to be prepared in the liquid storage tank 35 reaches the required level. Then close the third valve 18 and the fourth valve 36.

[0036] This invention includes at least two raw material delivery mechanisms. Taking two raw material delivery mechanisms as an example, they are used to store and deliver processing fluid A and processing fluid B to be prepared, respectively. Each raw material delivery mechanism includes a raw material tank 1, a temperature controller 2, a first valve 3, and a first flow detection device 4. A temperature sensor is connected to the raw material tank 1, and the first flow detection device 4 is connected to the raw material tank 1 through the first valve 3. The raw material tank 1 stores the processing fluids to be prepared for initial and subsequent preparation. The temperature controller 2 controls the temperature of the processing fluids to be prepared, meeting the preparation requirements of different processing fluids. The first flow detection device 4 detects the delivery volume of the processing fluids to be prepared, improving preparation accuracy. The processing fluids to be prepared can be delivered by a pump or by pneumatic control. A control terminal 19 is used for data transmission. The control terminal 19 can be a PC or a mobile control terminal, facilitating the storage of programs for the entire system's operation and data transmission with components throughout the system. It also detects force loads, friction wear, temperature, pressure, concentration, etc., during the processing fluid preparation process.

[0037] The closed liquid storage system 17 includes several liquid storage tanks 35, which are connected in parallel to each other. This allows for the storage of more processing liquids, meeting the formulation requirements of various formulas and improving the formulation efficiency of processing liquids.

[0038] S2. Open the fifth valve 37 at the outlet of the corresponding liquid storage tank 35 and / or the second valve 5 connected to the raw liquid conveying mechanism through the control terminal 19. The liquid to be processed in the liquid storage tank 35 is conveyed to the inlet valve 7 through the main pipeline 45 by the conveying pump 6. Open the inlet valve 7 so that the liquid to be processed is input into the test bench 10 from the bottom through the inlet flow detection device 8 and the inlet pressure detection device 9. The inlet flow detection device 8 and the inlet pressure detection device 9 transmit the detected flow and pressure data to the control terminal 19.

[0039] In the prior art, the processing fluid is applied by spraying, which results in a large amount of processing fluid used and a low utilization rate, increasing the cost of processing fluid preparation. In order to avoid this problem, the processing fluid is used in a more precise and detailed manner. This application provides an opening in the center of the substrate 23, through which the processing fluid directly enters the test bench 10.

[0040] S3. Start the test bench 10, adjust the position of the substrate 23 through the load detection module 25 and the inclination adjustment module 26, and adjust the friction gap between the friction mechanism and the substrate 23. At the same time, adjust the temperature and pressure inside the chamber 34 through the temperature range generator 21 and the altitude simulation device 22, control the variable speed friction between the friction mechanism and the substrate 23, and form a gap liquid film 32 in the friction gap.

[0041] The test bench 10 specifically includes a box 34 for forming a sealed space, a substrate 23 disposed inside the box 34, and a friction mechanism for mixing the processing fluid to be prepared. The friction mechanism is rotatably connected to the box 34. The substrate 23 is movably connected to the box 34 through a load detection module 25 and an inclination adjustment module 26. Four or eight load detection modules 25 and inclination adjustment modules 26 can be set to ensure that the substrate 23 is subjected to balanced force when it is in a horizontal state. The original liquid delivery mechanism inputs the processing fluid to be prepared between the friction mechanism and the substrate 23. The friction mechanism and the substrate 23 interact to form a gap liquid film 32. The load detection module 25 can control the pressure during friction according to the external force borne by the parts or components on the substrate 23 when they are working. The inclination adjustment module 26 controls the force-bearing surface during friction by controlling the inclination of the substrate 23.

[0042] Both the friction mechanism and the substrate 23 are located in the housing 34. The friction mechanism is positioned above the substrate 23, which has an opening. A guide tube 24 is located at the bottom of the housing 34 and connects to the opening for introducing the processing fluid to be prepared into the friction gap. The friction mechanism includes a hollow elastic grinding head 27, a sleeve 28 that drives the elastic grinding head 27 to rotate, and a variable frequency motor 31 that drives the sleeve 28 to rotate. The sleeve 28 is rotatably connected to the housing 34 via a gap adjuster 29. The elastic grinding head 27 is connected to one end of the sleeve 28, and the other end of the sleeve 28 is connected to a rotary sealing device 30. The variable frequency motor 31 drives the sleeve 28 to rotate at varying speeds, controlling the elastic grinding head 27 to perform variable speed friction on the processing fluid to be prepared, thereby improving the preparation efficiency of the processing fluid. The prepared processing fluid can be transported outward through the sleeve 28 from the inside of the elastic grinding head 27. The distance between the friction gaps is H, which ranges from 0 to 0.15 mm.

[0043] S4. If there are bubbles in the mixed processing fluid, it is fed into the cavitation generating device through the friction mechanism via the main pipeline 45. The cavitation generating device eliminates the bubbles and feeds the mixed processing fluid into the corresponding storage tank 35 in the closed storage system 17 to complete the processing fluid mixing and circulation. The outlet pressure detection device 12 and the outlet flow detection device 13 on the main pipeline 45 transmit the detected flow and pressure data to the control terminal 19.

[0044] The cavitation generating device includes a first outlet valve 14, a second outlet valve 15, and a cavitation generating pump 16. The second outlet valve 15 is connected in series with the cavitation generating pump 16, and the first outlet valve 14 is connected in parallel with the second outlet valve 15. When grinding is performed under fully enclosed conditions, bubbles will be generated due to the varying grinding speed. The first outlet valve 14 is closed, the second outlet valve 15 connected to the cavitation generating pump 16 is opened, and the opening of the inlet valve 7 is reduced. The cavitation generated by the cavitation generating pump 16 eliminates the bubbles. When it is not necessary to eliminate the bubbles, the second outlet valve 15 connected to the cavitation generating pump 16 is closed, and the cavitation generating pump 16 is shut down. The processing fluid enters the closed storage system 17 through the first outlet valve 14, completing the circulation of the processing fluid.

[0045] S5. The waste liquid leaking from the test bench 10 is treated by the abrasive concentration control system 20 to recover the abrasive particles 33 in the waste liquid. The recovered abrasive particles 33 are input into the test bench 10 for reuse or into the sealed storage system to be mixed with the original processing liquid and then adjusted.

[0046] The abrasive particle concentration control system 20 includes a metering and recovery device 38, a safety valve 39, a recovery pump 40, a separation tank 41, and a second flow detection device 44. The metering and recovery device 38 is connected to the test bench 10. The safety valve 39 is located between the metering and recovery device 38 and the recovery pump 40. The separation tank 41 is located between the recovery pump 40 and the second flow detection device 44. The separation tank 41 is equipped with an abrasive particle concentration detector 42. The metering and recovery device 38 collects the leaked processing fluid from the test bench 10 and recovers the abrasive particles 33 through the centrifugal action of the recovery pump 40 via the safety valve 39, reducing the loss of abrasive particles 33 and allowing them to be reused. The separation tank 41 can separate and filter the abrasive particles 33 and the waste liquid, and the output of abrasive particles 33 is detected by the second flow detection device 44. A sixth valve 43 is provided between the separation tank 41 and the second flow detection device 44 to control the delivery of abrasive particles 33.

[0047] The experimental and blending methods are simple to follow. They not only enable cross-mixing and recycling of processing fluids, but also allow for online verification of the formulated mixtures, greatly improving the efficiency of formula development, meeting the formulation requirements of more formulas, and significantly reducing the cost of blending and mixing processing fluids.

[0048] In this application, the first flow detection device 4, the second flow detection device 44, the inlet flow detection device 8, and the outlet flow detection device 13 are all preferably flow meters, and the inlet pressure detection device 9 and the outlet pressure detection device 12 are preferably pressure sensors.

[0049] The above are merely 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 based on the present invention to achieve substantially the same technical effect are all covered within the protection scope of the present invention.

Claims

1. A multi-condition formulation test and blending method for green friction lubricant, characterized in that... The process includes the following steps: S1. Open the third valve between the raw liquid delivery mechanism and the closed storage system, and the fourth valve at the inlet of the corresponding storage tank in the closed storage system via the control terminal. The raw liquid delivery mechanism feeds the liquid to be prepared into the storage tank in the closed storage system until the liquid reaches the required level. Then, close the third and fourth valves. S2. Open the fifth valve at the outlet of the corresponding storage tank and / or the second valve connecting the outlet of the storage tank to the raw liquid delivery mechanism via the control terminal to achieve cross-mixing and recycling of the liquid. The liquid to be prepared in the storage tank is pumped through the main pipeline to the inlet valve via the delivery pump. The inlet valve is then opened, allowing the liquid to be prepared to enter the test bench from the bottom via the inlet flow detection device and the inlet pressure detection device. The inlet flow detection device and the inlet pressure detection device transmit the detected flow and pressure data to the control terminal. S3. Start the test bench. The position of the substrate is adjusted by the load detection module and the inclination adjustment module, and the friction gap between the friction mechanism and the substrate is adjusted. At the same time, the temperature and pressure inside the chamber are adjusted by the temperature range generator and the altitude simulation device, and the variable speed friction between the friction mechanism and the substrate is controlled to form a gap liquid film in the friction gap. S4. If there are bubbles in the mixed processing fluid, it is input into the cavitation generator through the main pipeline via the friction mechanism. The cavitation generator eliminates the bubbles and inputs the mixed processing fluid into the corresponding storage tank in the sealed storage system to complete the processing fluid mixing and circulation. The outlet pressure detection device and the outlet flow detection device on the main pipeline transmit the detected flow and pressure data to the control terminal. S5. The waste liquid that leaks out of the test bench is treated by the abrasive concentration control system to recover the abrasive particles in the waste liquid. The recovered abrasive particles are input into the test bench for reuse or into the sealed storage system to mix with the original processing fluid and then mix.

2. The multi-condition formulation test and blending method of the green friction lubricant according to claim 1, characterized in that: The raw material delivery mechanism includes a raw material tank, a temperature controller, a first valve, and a first flow detection device. The temperature controller is connected to the raw material tank, and the first flow detection device is connected to the raw material tank through the first valve.

3. The multi-condition formulation test and blending method for green friction lubricant according to claim 1, characterized in that: The closed liquid storage system includes a plurality of liquid storage tanks, which are connected in parallel with each other.

4. The multi-condition formulation test and blending method of the green friction lubricant according to claim 1, characterized in that: In step S3, both the friction mechanism and the substrate are located in the housing. The friction mechanism is located above the substrate. The substrate has an opening. The bottom of the housing has a guide tube connected to the opening for inputting the processing fluid to be prepared into the friction gap.

5. The multi-condition formulation test and blending method for green friction lubricant according to claim 4, characterized in that: The friction mechanism includes a hollow elastic grinding head, a sleeve that drives the elastic grinding head to rotate, and a variable frequency motor for driving the sleeve to rotate. The sleeve is rotatably connected to the housing via a gap adjuster. The elastic grinding head is connected to one end of the sleeve, and the other end of the sleeve is connected to a rotary sealing device. The variable frequency motor drives the sleeve to rotate at a variable speed, thereby controlling the elastic grinding head to perform variable speed friction on the processing fluid to be prepared.

6. The multi-condition formulation test and blending method for green friction lubricant according to claim 1, characterized in that: The distance of the friction gap is H, and the range of H is 0 to 0.15 mm.

7. The multi-condition formulation test and blending method for green friction lubricant according to claim 1, characterized in that: The cavitation generating device in step S4 includes a first outlet valve, a second outlet valve, and a cavitation generating pump. The second outlet valve is connected in series with the cavitation generating pump, and the first outlet valve is connected in parallel with the second outlet valve.

8. The multi-condition formulation test and blending method of the green friction lubricant according to claim 1, characterized in that: The abrasive concentration control system in step S5 includes a metering and recovery device, a safety valve, a recovery pump, a separation tank, and a second flow detection device. The metering and recovery device is connected to the test bench. The safety valve is located between the metering and recovery device and the recovery pump. The separation tank is located between the recovery pump and the second flow detection device. The separation tank is equipped with an abrasive concentration detector.

Images