Low-speed pouring stirrer for lubricating oil

Abstract

The utility model relates to the technical field of lubricating oil stirrers, in particular to a low-speed dumping stirrer for lubricating oil, which comprises a stirring tank and a stirring assembly, the stirring assembly comprises a stirring rod and a stirring blade, the surface of a base is connected with an oxygen pumping device for assisting oxygen flow, and the oxygen pumping device comprises an oxygen pumping tank and an oxygen pipeline. An additional oxygen pumping mode is adopted to assist experimenters in researching and developing a novel antioxidant lubricating oil formula, the structure and the implementation mode are suitable for laboratory test situations, especially for accelerating the oxidation aging test of the lubricating oil, and the purpose is to accelerate the aging process of the lubricating oil by introducing oxygen into the lubricating oil and simulate the long-time use condition. Therefore, the oxidation resistance of the lubricating oil can be rapidly evaluated, and the stability and service life of the lubricating oil in long-term use can be known. Besides, oxidation stability testing can be carried out, so that the stability of the lubricating oil under the oxidation condition is evaluated, research and development personnel are helped to understand the performance of a lubricating oil formula under the oxidation condition, and the formula is optimized.

Description

TECHNICAL FIELD

[0001] The utility model relates to lubricating oil mixer technical field especially is a kind of low-speed pour mixer for lubricating oil. BACKGROUND

[0002] Lubricating oil is a kind of liquid or semi-solid substance, mainly composed of base oil and additives, used to reduce friction and wear between moving parts in mechanical equipment, and prolong the service life of equipment.

[0003] Lubricating oil mixer is a kind of mechanical equipment specially used for mixing and stirring lubricating oil and its additives. Its main purpose is to ensure that various components in lubricating oil, such as base oil and additives, are fully mixed and uniform, to achieve the best lubrication effect, so as to produce high-quality lubricating oil. This equipment plays a key role in the production and blending process of lubricating oil, ensuring that the performance and quality of lubricating oil meet the standard requirements.

[0004] Lubricating oil oxygenation refers to the introduction of oxygen or air into lubricating oil, which is not a common practice, as in most cases, lubricating oil needs to be protected from contact with oxygen to prevent oxidation and deterioration, but when it needs to be used in a specific installation environment, such as a laboratory research environment, the existing mixer usually does not have corresponding oxygen supply facilities, and the operator needs to manually supply oxygen. Due to the different proficiency of different operators, it may cause the oxygen concentration to change due to too much or too little oxygen supply. When in use, it also needs to be used together with other equipment, which increases the process and reduces the work efficiency. Therefore, the present inventor proposes a low-speed pour mixer for lubricating oil to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims to provide a technical solution to solve the above problems.

[0006] A low-speed pour mixer for lubricating oil, comprising a stirring tank and a stirring assembly installed inside the stirring tank, the stirring assembly comprising a stirring rod and stirring blades, the stirring blades are installed on the surface of the stirring rod in a spiral descending manner, which can make the stirring blades more evenly distributed on the stirring rod, increase the stirring range, ensure that the liquid can be effectively stirred at all levels, and the spiral descending stirring blades can guide the liquid to flow along the spiral path, reduce vortex and turbulence, optimize the flow path of the liquid, improve the stirring efficiency and reduce dead angles, ensure that the lubricating oil can be fully mixed, avoid local unmixed areas, achieve the effect of improving mixing quality. In addition, the spiral descending stirring blades can ensure uniform distribution of force during stirring, reduce the problem of excessive local stress, improve the service life of the stirring rod, reduce direct contact between the stirring blades and the liquid, reduce wear and tear, and prolong the service life of the stirring blades.

[0007] The top and bottom of the stirring tank are respectively provided with a top cover and a base, the surface of the base is connected with an oxygen punching device for assisting oxygen flow, the oxygen punching device comprises an oxygen punching tank and an oxygen pipeline, the two ends of the oxygen pipeline are respectively abutted with the oxygen punching tank and the surface of the base, and one end extends into the interior of the stirring tank, the interior of the base is installed with a driving device for assisting the driving of the stirring rod;

[0008] The lubricating oil oxygen punching, generally refers to the oxygen or air into the lubricating oil, which is not a common practice, because in most cases, the lubricating oil is required to avoid contact with oxygen to prevent oxidation and deterioration. However, in certain specific experimental or research situations, the oxygen or air into the lubricating oil has its specific purpose, the structure is suitable for laboratory test situation, especially for accelerated lubricating oil aging test, the purpose is to accelerate the aging process of the lubricating oil by introducing oxygen into the lubricating oil, simulate the conditions of long-term use, so as to quickly evaluate the oxidation resistance of the lubricating oil, understand its stability and life in long-term use;

[0009] In addition, oxidation stability test can also be carried out, which aims to evaluate the stability of the lubricating oil under oxidation conditions, help researchers understand the performance of the lubricating oil formula under oxidation conditions, so as to optimize the formula, study the chemical changes of the lubricating oil under oxidation conditions, through the study of the chemical reaction of the lubricating oil under oxidation conditions, more oxidation resistant lubricating oil formula can be developed.

[0010] Further, one end of the oxygen punching tank is provided with a connecting block for assisting the installation of the oxygen pipeline, the surface of the oxygen punching tank is provided with a protection turntable for assisting the protection of the connecting block, the surface of the protection turntable is provided with a buffer block, and the buffer block is in convex structure;

[0011] The design of the connecting block makes the oxygen pipeline can be easily connected with the oxygen punching tank, simplifies the installation process and improves the convenience of installation. The connecting block of the structure is screw connection, which can ensure the sealing of the connection place, prevent oxygen leakage, improve the safety of the system, reduce the risk of leakage caused by improper connection, and ensure the stable operation of the system;

[0012] The protection turntable can effectively protect the connecting block from damage caused by external physical impact or collision, improve the service life of the connecting block, and the design of the protection turntable makes the connecting block can be easily rotated when it needs to be checked or maintained, which is convenient for operators to check and maintain. The convex structure of the buffer block can absorb and disperse external impact force, reduce the impact of impact on the connecting block and the oxygen punching tank, protect the equipment from damage, and also can optimize the force transmission path to ensure uniform distribution of external impact force and reduce the problem of local excessive stress.

[0013] Further, the surface of the base is provided with a pipeline connection port for connecting with the oxygen pipeline, and the surface of the base is provided with a plurality of heat dissipation grooves for assisting the discharge of heat of the driving device, which are linearly arranged on the surface of the base.

[0014] The design of the pipeline connection port allows the oxygen pipeline to be conveniently connected with the base, simplifies the installation process, and improves the convenience of installation. The pipeline connection port is designed with a sealing ring or a threaded connection, which can ensure the sealing of the connection to prevent oxygen leakage and improve the safety of the system. Through this connection design, the risk of leakage caused by improper connection can be reduced, ensuring the stable operation of the system.

[0015] The design of the heat dissipation grooves can increase the surface area of the base, improve the heat dissipation efficiency, effectively dissipate the heat generated by the driving device, prevent overheating, optimize the heat flow path, ensure uniform distribution of heat, reduce local overheating problems, improve the thermal management performance of the equipment, reduce equipment failures caused by overheating, improve the reliability and service life of the driving device, avoid additional energy consumption caused by overheating of the driving device, improve energy efficiency, and reduce operating costs. In addition, through effective heat dissipation, safety accidents caused by overheating can be prevented, and the safety of operation can be improved.

[0016] Further, the surface of the oxygen tank is provided with an adjusting valve, which includes a pressure gauge, a connecting table, and an exhaust head. The exhaust head is installed at both ends of the adjusting valve. The connecting table is integrally formed with the adjusting valve, and is connected to the oxygen tank through a connecting head. The adjusting valve can accurately control the oxygen flow and pressure in the oxygen tank, ensuring the stability and accuracy of oxygen supply. The pressure gauge can display the pressure in the oxygen tank in real time, helping the operator to timely understand the pressure situation and ensure safe operation. The connecting table and the adjusting valve are integrally formed, which can improve the overall structural strength and stability and reduce the risk of leakage caused by too many connection points.

[0017] Multiple exhaust heads are designed to facilitate flexible adjustment and control of the exhaust direction, improve the convenience of operation, disperse the exhaust pressure, reduce the pressure load of a single exhaust port, improve the stability and safety of the system, optimize the airflow path, reduce turbulence and vortex of airflow, improve the uniform distribution of oxygen, and facilitate the full mixing of oxygen and lubricating oil.

[0018] Further, the surface of the stirring blade is provided with a plurality of pressure relief grooves for assisting the reduction of oil pressure, and a sealing ring is connected between the top cover and the stirring tank to increase the sealing performance. The pressure relief grooves can effectively reduce the oil pressure generated during stirring, prevent equipment damage or leakage caused by excessive pressure, and reduce the frictional resistance between the stirring blade and the liquid, thereby improving the stirring efficiency and making the stirring more uniform.

[0019] In addition, the design of the pressure relief groove can reduce direct contact between the stirring blade and the liquid, reduce wear and tear, prolong the service life of the stirring blade, guide the flow of the liquid, reduce vortex and turbulence, optimize the flow path of the liquid, improve the stirring effect, and reduce the generation of bubbles during stirring, improve the mixing quality, especially for processes that need to avoid bubbles. This step is suitable for the product for processes that need to avoid bubbles, facilitating subsequent process development;

[0020] The sealing ring effectively increases the sealing between the top cover and the stirring tank, prevents liquid leakage, ensures smooth stirring process, prevents external pollutants from entering the stirring tank, maintains the cleanliness of the stirring tank, improves product quality, reduces the escape of volatile substances, reduces the waste of raw materials, improves economic efficiency, and makes the connection between the top cover and the stirring tank more secure, facilitating operation and maintenance. When the sealing ring is made of different materials, it can adapt to different working conditions and temperature conditions, improve the versatility and flexibility of the equipment, reduce the frequency and cost of maintenance due to leakage, and prolong the maintenance cycle.

[0021] Further, the driving device includes a driving motor, a rotating gear and a rotating bearing, one end of the driving motor is an output shaft, the output shaft is connected with the rotating gear and the rotating bearing, one end of the rotating bearing abuts one end of the stirring rod, and a support ring is additionally provided between the driving motor and the stirring blade for increasing support stability;

[0022] The driving motor is connected with the rotating gear and the rotating bearing through the output shaft, which can ensure efficient and stable power transmission and reduce energy loss. The addition of the support ring increases the support stability between the driving motor and the stirring blade, ensuring smooth operation during stirring, reducing vibration and shaking;

[0023] In addition, the design of the rotating gear and the rotating bearing can optimize the force transmission path, ensure uniform distribution of power, reduce the problem of excessive local stress, ensure that the stirring rod speed and torque meet the design requirements, improve the precision and uniformity of stirring, reduce maintenance frequency and cost through reducing wear and tear and improving stability, and prolong the maintenance cycle of the equipment;

[0024] On the other hand, the addition of the support ring can prevent the stirring rod from deviating or breaking during high-speed rotation, improve the safety of operation, and cooperate with the design of the rotating gear and the rotating bearing to adapt to different working conditions and loads, improve the versatility and flexibility of the equipment. The driving motor can directly control the speed and direction of the stirring rod, improve the response speed of the system, adapt to rapidly changing process requirements, adopt reasonable transmission design and support structure to ensure good performance of the equipment during long-term operation, improve the reliability of the system, optimize the overall design of the equipment, reduce material consumption, and reduce manufacturing cost.

[0025] Further, the surface of the stirring tank is mounted with a support frame, the two ends of the support frame respectively abut the surface of the stirring tank, and the stirring tank is inclined when connected with the support frame; the inclined arrangement can increase the liquid flow path in the stirring tank, so that the liquid is more likely to form convection during stirring, improve the mixing efficiency, and the inclined arrangement can reduce the dead angle in the stirring tank, ensure that the internal lubricating oil can be fully mixed, avoid the local unmixed area, also can reduce the energy required in the stirring process, improve the energy efficiency, reduce the energy consumption, reduce the pressure caused by the accumulation of lubricating oil, improve the safety of operation, reduce the risk of accidents;

[0026] In addition, the inclined arrangement helps the lubricating oil to flow naturally under the action of gravity, reduces the resistance during discharging, improves the discharging efficiency, prevents the lubricating oil from remaining, and at the same time can increase the contact area between the inner wall of the stirring tank and the lubricating oil, which is beneficial to heat exchange, improves the efficiency of heating or cooling, and also can reduce the bubbles generated during stirring, improves the mixing quality, this step is suitable for the process of the product which needs to avoid bubbles, facilitates the subsequent research and development process, the inclined arrangement can also adapt to lubricating oils of different viscosity and density, improve the versatility and flexibility of the equipment;

[0027] On the other hand, the design of the support frame can ensure the stability of the stirring tank when it is inclined, optimize the force transmission path during stirring, reduce the problem of excessive local stress, prevent the tank from tipping over or shaking due to excessive inclination angle, and also make it easier to discharge the lubricating oil in the stirring tank, reduce residues during cleaning, facilitate cleaning and maintenance, and also make it easier for operators to observe and control the stirring process, improve the convenience of operation.

[0028] Compared with the prior art, the beneficial effects of the present application are: by adding an oxygen punching device to the stirrer, the experimental personnel can assist in developing new antioxidant lubricating oil formula, the structure and implementation mode are suitable for laboratory test environment, especially for accelerating the oxidation aging test of lubricating oil, the purpose is to accelerate the aging process of lubricating oil by introducing oxygen into the lubricating oil, simulate the conditions of long-term use, so as to quickly evaluate the antioxidant performance of the lubricating oil and understand its stability and service life in long-term use;

[0029] In addition, oxidation stability test can also be carried out, the purpose is to evaluate the stability of lubricating oil under oxidation conditions, help researchers understand the performance of lubricating oil formula under oxidation conditions, so as to optimize the formula, study the chemical changes of lubricating oil under oxidation conditions, and through the study of the chemical reaction of lubricating oil under oxidation conditions, more oxidation-resistant lubricating oil formula can be developed. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is a front view of a low-speed pouring stirrer for lubricating oil;

[0031] Figure 2 is a left view of a stirring tank in a low-speed pouring agitator for lubricating oil;

[0032] Figure 3 is a perspective view of an oxygen tank in a low-speed pouring agitator for lubricating oil;

[0033] Figure 4 is an exploded view of a low-speed pouring agitator for lubricating oil;

[0034] Figure 5 is another exploded view of a low-speed pouring agitator for lubricating oil;

[0035] Figure 6 is a perspective view of a stirring assembly in a low-speed pouring agitator for lubricating oil;

[0036] Figure 7 is a perspective view of a regulating valve in a low-speed pouring agitator for lubricating oil;

[0037] Figure 8 is another perspective view of a regulating valve in a low-speed pouring agitator for lubricating oil.

[0038] In the figure: stirring tank-1, stirring rod-2, stirring blade-3, top cover-4, base-5, oxygen tank-6, oxygen pipeline-7, connecting block-8, protective turntable-9, buffer block-10, pipeline connecting port-11, heat dissipation groove-12, regulating valve-13, pressure gauge-14, connecting table-15, exhaust head-16, connecting head-17, pressure relief groove-18, sealing ring-19, driving motor-20, rotating gear-21, rotating bearing-22, support ring-23, support frame-24. DETAILED DESCRIPTION

[0039] The utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0040] In this embodiment, please refer to Figures 1-8The specific implementation of a low-speed pouring mixer for lubricating oil includes a stirring tank 1 and a stirring assembly installed inside the stirring tank 1, the stirring assembly includes a stirring rod 2 and stirring blades 3, the stirring blades 3 are installed on the surface of the stirring rod 2 in a spiral descending manner, which can make the stirring blades 3 more evenly distributed on the stirring rod 2, increase the stirring range, ensure that the liquid can be effectively stirred at all levels, and the spiral descending stirring blades 3 can guide the liquid to flow along the spiral path, reduce vortex and turbulence, optimize the flow path of the liquid, improve the stirring efficiency and reduce dead angles, ensure that the lubricating oil can be fully mixed, avoid local unmixed areas, and improve the mixing quality, in addition, the spiral descending stirring blades 3 can ensure uniform distribution of force during stirring, reduce the problem of excessive local stress, improve the service life of the stirring rod 2, reduce direct contact between the stirring blades 3 and the liquid, reduce wear and tear, and prolong the service life of the stirring blades 3;

[0041] A top cover 4 and a base 5 are installed on the top and bottom of the stirring tank 1 respectively, the surface of the base 5 is connected with an oxygenation device for assisting oxygen flow, the oxygenation device includes an oxygenation tank 6 and an oxygen pipeline 7, both ends of the oxygen pipeline 7 are respectively in abutment with the oxygenation tank 6 and the surface of the base 5, and one end extends into the interior of the stirring tank 1, and the interior of the base 5 is installed with a driving device for assisting the stirring rod 2 to drive;

[0042] Lubricating oil oxygenation generally refers to introducing oxygen or air into lubricating oil, which is not a common practice because in most cases, lubricating oil needs to avoid contact with oxygen to prevent oxidation and deterioration. However, in certain specific experimental or research situations, introducing oxygen or air into lubricating oil has its specific purpose, this structure is suitable for laboratory testing situations, especially for accelerated lubricating oil aging tests, the purpose is to accelerate the aging process of lubricating oil by introducing oxygen into it, simulate the conditions of long-term use, so as to quickly evaluate the antioxidant performance of lubricating oil and understand its stability and life in long-term use;

[0043] In addition, oxidation stability tests can also be conducted, which aims to evaluate the stability of lubricating oil under oxidation conditions, helping researchers understand the performance of lubricating oil formulations under oxidation conditions, thereby optimizing the formulation, studying the chemical changes of lubricating oil under oxidation conditions, and developing more oxidation-resistant lubricating oil formulations by studying the chemical reactions of lubricating oil under oxidation conditions.

[0044] One end of the oxygenation tank 6 is provided with a connecting block 8 for assisting the installation of the oxygen pipeline 7, the surface of the oxygenation tank 6 is provided with a protective turntable 9 for assisting the protection of the connecting block 8, the surface of the protective turntable 9 is provided with a buffer block 10 in a convex structure;

[0045] The design of the connecting block 8 makes the oxygen pipeline 7 easily connected with the oxygen tank 6, simplifies the installation process, improves the convenience of installation, the connecting block 8 of the structure is threadedly connected, which can ensure the sealing of the connection and prevent oxygen leakage, improve the safety of the system, reduce the risk of leakage caused by improper connection, and ensure the stable operation of the system;

[0046] The protective turntable 9 can effectively protect the connecting block 8 from damage caused by external physical impact or collision, improve the service life of the connecting block 8, and the design of the protective turntable 9 makes the connecting block 8 easily rotate when it needs to be checked or maintained, which is convenient for operators to check and maintain. The convex structure of the buffer block 10 can absorb and disperse external impact force, reduce the impact of the impact on the connecting block 8 and the oxygen tank 6, protect the equipment from damage, and also optimize the force transmission path to ensure uniform distribution of external impact force and reduce the problem of excessive local stress.

[0047] The surface of the base 5 is provided with a pipeline connecting port 11 for pairing connection with the oxygen pipeline 7, and the surface of the base 5 is provided with a plurality of heat dissipation grooves 12 for assisting the discharge of heat of the driving device, which are linearly arranged on the surface of the base 5.

[0048] The design of the pipeline connecting port 11 makes the oxygen pipeline 7 easily connected with the base 5, simplifies the installation process, improves the convenience of installation, and the pipeline connecting port 11 of the structure is designed with a sealing ring or threaded connection, which can ensure the sealing of the connection and prevent oxygen leakage, improve the safety of the system, and reduce the risk of leakage caused by improper connection, and ensure the stable operation of the system;

[0049] The design of the heat dissipation groove 12 can increase the surface area of the base 5, improve the heat dissipation efficiency, effectively dissipate the heat generated by the driving device, prevent overheating, optimize the heat flow path, ensure uniform distribution of heat, reduce the problem of local overheating, improve the heat management performance of the equipment, reduce equipment failure caused by overheating, improve the reliability and service life of the driving device, avoid additional energy consumption caused by overheating of the driving device, improve energy efficiency, and reduce operating costs. In addition, through effective heat dissipation, safety accidents caused by overheating can be prevented, and the safety of operation can be improved.

[0050] The surface of the oxygen tank 6 is provided with an adjusting valve 13, which includes a pressure gauge 14, a connecting table 15 and exhaust heads 16, the exhaust heads 16 are respectively arranged at the two ends of the adjusting valve 13, the connecting table 15 is integrally formed with the adjusting valve 13, the connecting table 15 is connected with the oxygen tank 6 through a connecting head 17, and the connecting head 17 is specifically connected with the connecting block 8; the adjusting valve 13 can accurately control the oxygen flow and pressure in the oxygen tank 6, and ensure the stability and accuracy of the oxygen supply, and the pressure gauge 14 can display the pressure in the oxygen tank 6 in real time, help the operator to understand the pressure situation in time, ensure the safe operation, the connecting table 15 and the adjusting valve 13 are integrally formed, which can improve the overall structural strength and stability, and reduce the leakage risk caused by too many connection points;

[0051] The plurality of exhaust heads 16 are convenient for flexible adjustment and control of the exhaust direction, improve the convenience of operation, and can disperse the exhaust pressure, reduce the pressure load of a single exhaust port, improve the stability and safety of the system, and also play a role in optimizing the airflow path, reducing the turbulence and vortex of airflow, and improving the uniform distribution of oxygen, so that the oxygen and lubricating oil can be fully mixed.

[0052] The surface of the stirring blade 3 is provided with a plurality of pressure relief grooves 18 for assisting the oil pressure to reduce the pressure, and a sealing ring 19 is connected between the top cover 4 and the stirring tank 1 to increase the sealing performance; the pressure relief grooves 18 can effectively reduce the oil pressure generated during stirring, prevent equipment damage or leakage caused by excessive pressure, and reduce the frictional resistance between the stirring blade 3 and the liquid, improve the stirring efficiency, and make the stirring more uniform;

[0053] In addition, the design of the pressure relief grooves 18 can reduce the direct contact between the stirring blade 3 and the liquid, reduce wear and tear, prolong the service life of the stirring blade 3, guide the flow of the liquid, reduce the vortex and turbulence, optimize the flow path of the liquid, improve the stirring effect, and reduce the generation of bubbles during stirring, improve the mixing quality, especially for the process that needs to avoid bubbles, this step is suitable for the process that needs to avoid bubbles of the product, and is convenient for subsequent research and development process;

[0054] The sealing ring 19 can effectively increase the sealing performance between the top cover 4 and the stirring tank 1, prevent liquid leakage, ensure the smooth progress of the stirring process, prevent external pollutants from entering the stirring tank 1, maintain the cleanliness of the inside of the stirring tank 1, improve the quality of the product, reduce the escape of volatile substances, reduce the waste of raw materials, improve the economic benefits, and make the connection between the top cover 4 and the stirring tank 1 more closely, which is convenient for operation and maintenance; when the sealing ring 19 is selected to be made of different materials, it can adapt to different working conditions and temperature conditions, improve the universality and flexibility of the equipment, reduce the maintenance frequency and cost caused by leakage, and prolong the maintenance period.

[0055] The driving device comprises a driving motor 20, a rotating gear 21 and a rotating bearing 22, one end of the driving motor 20 is an output shaft, the output shaft is connected with the rotating gear 21 and the rotating bearing 22, one end of the rotating bearing 22 abuts against one end of the stirring rod 2, and a supporting ring 23 for increasing support stability is additionally arranged between the driving motor 20 and the stirring blade 3;

[0056] The driving motor 20 is connected with the rotating gear 21 and the rotating bearing 22 through the output shaft, which can ensure the efficiency and stability of power transmission and reduce energy loss, and the supporting ring 23 can increase the support stability between the driving motor 20 and the stirring blade 3, ensure the smooth operation in the stirring process, reduce vibration and shaking, and improve the precision and uniformity of stirring.

[0057] In addition, the design of the rotating gear 21 and the rotating bearing 22 can optimize the force transmission path, ensure uniform distribution of power, reduce the problem of excessive local stress, ensure that the rotating speed and torque of the stirring rod 2 meet the design requirements, improve the precision and uniformity of stirring, reduce the maintenance frequency and cost by reducing wear and improving stability, and prolong the maintenance cycle of the equipment.

[0058] On the other hand, the supporting ring 23 can prevent the stirring rod 2 from deviating or breaking during high-speed rotation, improve the safety of operation, and cooperate with the design of the rotating gear 21 and the rotating bearing 22 to adapt to different working conditions and loads, improve the versatility and flexibility of the equipment; and the driving motor 20 can directly control the rotating speed and direction of the stirring rod 2, improve the response speed of the system, adapt to the rapid change of process requirements, adopt reasonable transmission design and support structure, ensure that the equipment maintains good performance during long-time operation, improve the reliability of the system, optimize the overall design of the equipment, reduce the amount of materials, and reduce the manufacturing cost.

[0059] The surface of the stirring tank 1 is provided with a supporting frame 24, the two ends of the supporting frame 24 abut against the surface of the stirring tank 1 respectively, and the stirring tank 1 and the supporting frame 24 are connected in an inclined manner; the inclined arrangement can increase the liquid flow path in the stirring tank 1, so that the liquid is more likely to form convection during stirring, improve the mixing efficiency, and the inclined arrangement can reduce the dead angle in the stirring tank 1, ensure that the internal lubricating oil can be fully mixed, avoid the local unmixed area, also can reduce the energy required in the stirring process, improve the energy efficiency, reduce the energy consumption, reduce the pressure caused by the accumulation of lubricating oil, improve the safety of operation, and reduce the risk of accidents;

[0060] In addition, the inclined arrangement helps the lubricating oil to flow naturally under the action of gravity, reduces the resistance during discharging, improves the discharging efficiency, prevents the lubricating oil from remaining, and at the same time, can increase the contact area between the inner wall of the stirring tank 1 and the lubricating oil, which is beneficial to heat exchange, improves the efficiency of heating or cooling, and also can reduce the bubbles generated during stirring, improves the mixing quality, this step is suitable for the process of the product which needs to avoid bubbles, facilitates the subsequent research and development process, the inclined arrangement can also adapt to lubricating oils of different viscosity and density, improves the versatility and flexibility of the equipment;

[0061] On the other hand, the design of the support frame 24 can ensure the stability of the stirring tank 1 when it is inclined, optimize the force transmission path during stirring, reduce the problem of excessive local stress, prevent tipping or shaking caused by excessive inclination angle, and also make it easier to discharge the lubricating oil in the stirring tank 1, reduce residues during cleaning, facilitate cleaning and maintenance, and also make it easier for operators to observe and control the stirring process, improve the convenience of operation.

[0062] The design points of the utility model lie in: adopt the mode of adding oxygen punching, assist experimental personnel to develop new antioxidant lubricating oil formula, this structure and embodiment are applicable to laboratory test situation, especially accelerate lubricating oil aging test, its purpose is to accelerate the aging process of lubricating oil by passing oxygen into lubricating oil, simulate the condition of long time use, thereby can quickly evaluate the antioxidant performance of lubricating oil, understand its stability and life in long time use;

[0063] In addition, oxidation stability test can also be carried out, the purpose is to evaluate the stability of lubricating oil under oxidation condition, help research personnel to understand the performance of lubricating oil formula under oxidation condition, thereby optimize formula, study the chemical change of lubricating oil under oxidation condition, through studying the chemical reaction of lubricating oil under oxidation condition, can develop more oxidation resistant lubricating oil formula.

[0064] The above content is a further detailed description of the utility model in combination with specific preferred embodiments, and cannot be considered as limiting the specific implementation of the utility model to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, which should be considered as the protection scope of the utility model.

Claims

1. A low speed pour mixer for lubricating oil comprising a mixing tank and a mixing assembly mounted within the mixing tank, characterised in that: The stirring assembly comprises a stirring rod and stirring blades, the stirring blades are installed on the surface of the stirring rod in a spiral descending manner, the top and bottom of the stirring tank are respectively provided with a top cover and a base, the surface of the base is connected with an oxygen punching device for assisting oxygen flow, the oxygen punching device comprises an oxygen punching tank and an oxygen pipeline, the two ends of the oxygen pipeline are respectively abutted with the oxygen punching tank and the surface of the base, and one end extends into the interior of the stirring tank, the interior of the base is provided with a driving device for assisting the driving of the stirring rod.

2. A low speed pour mixer for lubricating oil as defined in claim 1 wherein: One end of the oxygen punching tank is provided with a connecting block for assisting the installation of the oxygen pipeline, the surface of the oxygen punching tank is provided with a protection turntable for assisting the protection of the connecting block, the surface of the protection turntable is provided with a buffer block in a convex structure.

3. A low speed pour mixer for lubricating oil as defined in claim 1 wherein: The surface of the base is provided with a pipeline connecting port for paired connection with the oxygen pipeline, the surface of the base is provided with a plurality of heat dissipation grooves for assisting the heat dissipation of the driving device, and the heat dissipation grooves are linearly arranged on the surface of the base.

4. A low speed pour mixer for lubricating oil according to any one of claims 1 to 3, characterised in that: The surface of the oxygen punching tank is provided with an adjusting valve, the adjusting valve comprises a pressure gauge, a connecting table and an exhaust head, the exhaust head is respectively installed at the two ends of the adjusting valve, the connecting table is an integral forming structure with the adjusting valve, and the connecting table is connected with the oxygen punching tank through a connecting head.

5. A low speed pour mixer for lubricating oil according to any one of claims 1-3, characterized in that: The surface of the stirring blade is provided with a plurality of pressure relief grooves for assisting the reduction of oil pressure, and the top cover and the stirring tank are connected with a sealing ring for increasing the sealing performance.

6. A low speed pour mixer for lubricating oil according to any one of claims 1-3, characterized in that: The driving device comprises a driving motor, a rotating gear and a rotating bearing, one end of the driving motor is an output shaft, the output shaft is connected with the rotating gear and the rotating bearing, one end of the rotating bearing is abutted with one end of the stirring rod, and a supporting ring is additionally arranged between the driving motor and the stirring blade for increasing the supporting stability.

7. A low speed pour mixer for lubricating oil according to any one of claims 1-3, characterized in that: The surface of the stirring tank is provided with a supporting frame, the two ends of the supporting frame are respectively abutted with the surface of the stirring tank, and the stirring tank and the supporting frame are connected in an inclined manner.

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