Grease separator and lubricating system
By using a grease separator in a centralized dry oil lubrication system, and by utilizing a drive device and a detection module to precisely control the grease discharge, the problems of poor lubrication and waste are solved, achieving high-precision lubrication and energy-saving effects.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-03-13
AI Technical Summary
In dry oil centralized lubrication systems, the distribution of grease is difficult to control precisely, leading to problems such as poor lubrication at lubrication points or grease waste.
A grease distributor is used, which drives the main and driven gears to rotate and mesh through a drive device. Combined with a detection module and controller, the grease discharge is precisely controlled to achieve forced grease supply and accurate metering.
It improves the lubrication accuracy of lubrication points, reduces grease waste, extends equipment lifespan, and reduces energy consumption.
Smart Images

Figure CN223992133U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a grease separator and a lubrication system. Background Technology
[0002] In dry oil centralized lubrication systems, grease is often supplied to lubrication points using a combination of lubrication pumps and distributors. However, since grease is a semi-fluid, it is difficult to guarantee whether the grease will successfully flow to the lubrication points, and it is difficult to judge the precise amount of grease received by each lubrication point. This results in problems such as insufficient grease supply leading to poor lubrication at the lubrication points, and excessive grease supply causing grease waste.
[0003] The authorized publication number CN202302669U discloses a rotor-type metering grease dispenser, which has a grease inlet, a grease outlet and a pair of meshing rotors. The grease inlet is connected in parallel with the main grease delivery pipeline of the system, and the grease outlet is connected to the grease inlet of the lubrication point or single-line distributor. The motor drives the rotors to rotate and mesh with each other, so that the grease delivered at the grease outlet has the ability to increase pressure, which can overcome the back pressure of the lubrication point or single-line distributor, and achieve the purpose of reliable forced grease lubrication. However, the solution does not disclose the technical means of accurately controlling and metering the grease discharge. Utility Model Content
[0004] Based on this, the purpose of this utility model is to provide a grease separator that can accurately control and measure the amount of grease obtained at each lubrication point. The purpose of this utility model is also to provide a lubrication system using the above-mentioned grease separator.
[0005] The technical solution of this utility model's fat separator is as follows:
[0006] A grease separator includes a drive unit and a grease-distributing assembly. The grease-distributing assembly includes a housing, which includes a grease-distributing inner cavity. The inner cavity has a grease inlet and a grease outlet. A pair of meshing drive and driven gears are provided within the inner cavity. The cavities on either side of the meshing portion of the drive and driven gears are the grease inlet and grease outlet, respectively. The grease inlet communicates with the grease inlet cavity, and the grease outlet communicates with the grease outlet cavity. The drive unit drives the drive gear to rotate. The drive unit's rotation angle is controllable. A detection module is provided on the drive unit or the housing to detect the rotation angle of the drive unit, drive gear, or driven gear, so as to calculate the amount of grease discharged from the grease outlet based on the rotation angle. There is one drive unit and one grease-distributing assembly, and they are connected in a one-to-one transmission connection. Alternatively, there are at least two drive units and at least two grease-distributing assemblies, and they are connected in a one-to-one transmission connection. Or, there is one drive unit and at least two grease-distributing assemblies, and each grease-distributing assembly shares the drive unit.
[0007] The beneficial effects of this invention are as follows: This grease distributor uses a drive unit to rotate and mesh the main and driven gears, continuously bringing grease from the inlet chamber to the outlet chamber. This causes the pressure at the outlet to continuously increase, overcoming the back pressure at the lubrication point and achieving forced grease delivery. During this process, the rotation angle of the drive unit is controllable. A detection module feeds back the detected angle signal to the controller, which accurately calculates the actual amount of grease received at the lubrication point based on this feedback signal and controls the drive unit's operation and shutdown in real time. By accurately measuring and injecting the appropriate amount of grease into the lubrication point, not only can wear on friction components be reduced, improving equipment operating efficiency and extending its service life, but grease waste can also be reduced, achieving energy saving and consumption reduction. Compared with traditional grease dispensers, this grease distributor has advantages such as longer service life, higher accuracy, and lower failure rate.
[0008] Furthermore, the fat separator includes a controller that controls the rotation angle of the drive unit.
[0009] Furthermore, the drive unit rotates a full circle, and the controller can control the number of rotations of the drive unit.
[0010] Furthermore, the detection module includes an encoder, and the drive device includes a motor. The encoder detects the rotation angle of the motor's output shaft. For example, a pair of master and driven gears can deliver 3ml of grease in one revolution, and a lubrication point requires 1ml of grease each time. When the output shaft rotates 1 / 3 revolution, the controller accurately calculates and controls the drive device to stop running based on the angle signal fed back by the encoder.
[0011] Furthermore, the driving and driven gears are respectively provided with a driving shaft and a driven shaft. When at least two sebum separation components share the same drive device, the driving shafts of each sebum separation component are coaxially connected or each sebum separation component uses the same long shaft as the driving shaft.
[0012] Furthermore, the grease separator also includes a housing and a grease inlet pipe. The upper surface of the housing is provided with a first flow channel hole, and the lower surface is provided with a second flow channel hole and a grease outlet hole corresponding to the grease outlet. The grease inlet pipe includes a longitudinal channel and a transverse channel, which are connected in a cross shape. The longitudinal channel passes through the first flow channel hole and the second flow channel hole, with one end being a grease inlet and the other end being a spare grease inlet. The transverse channel is provided with a grease separator pipe adapted to the grease inlet, and the grease separator pipe includes a pipe connector.
[0013] The beneficial effects of this utility model are as follows: When there are many lubrication points, multiple grease separators can be conveniently combined for use. That is, the spare grease inlet of the first grease separator is connected to the grease inlet of the next grease separator, and the spare grease inlet of the last grease separator is in a closed state. This method of connecting the grease inlet pipes in series can save a lot of grease delivery pipes and make the space layout more beautiful.
[0014] The technical solution of the lubrication system of this utility model is as follows:
[0015] A lubrication system includes a drive unit and a grease-distributing assembly. The grease-distributing assembly includes a housing, which includes a grease-distributing inner cavity. The inner cavity has a grease inlet and a grease outlet. A pair of meshing driving and driven gears are provided within the inner cavity. The cavities on either side of the meshing portion of the driving and driven gears within the inner cavity are the grease inlet cavity and the grease outlet cavity, respectively. The grease inlet communicates with the grease inlet cavity, and the grease outlet communicates with the grease outlet cavity. The drive unit drives the driving gear to rotate. The system also includes a controller, characterized in that the controller controls the rotation angle of the drive unit. The drive unit or the housing is provided with a detection module for detecting the rotation angle of the drive unit, the driving gear, or the driven gear, to calculate the amount of grease discharged from the grease outlet based on the rotation angle. There is one drive unit and one grease-distributing assembly, with each unit connected in a one-to-one transmission connection; or there are at least two drive units and at least two grease-distributing assemblies, with each assembly sharing the drive unit.
[0016] The beneficial effects of this invention are as follows: This grease distributor in a lubrication system continuously draws grease from the inlet chamber into the outlet chamber by driving the drive unit to rotate and mesh the main and driven gears. This causes the pressure at the outlet to continuously increase, overcoming the back pressure at the lubrication point and achieving forced grease delivery. During this process, the rotation angle of the drive unit is controllable. A detection module feeds back the detected angle signal to the controller, which accurately calculates the actual amount of grease received at the lubrication point based on this feedback signal and controls the drive unit's operation and shutdown in real time. By accurately measuring and injecting the appropriate amount of grease into the lubrication point, not only can wear on friction components be reduced, improving equipment operating efficiency and extending its service life, but also grease waste can be reduced, achieving energy saving and consumption reduction. Compared with traditional grease dispensers, this grease distributor has advantages such as long service life, high accuracy, and low failure rate.
[0017] Furthermore, the drive unit rotates a full circle, and the controller can control the number of rotations of the drive unit.
[0018] Furthermore, the detection module includes an encoder, and the drive device includes a motor. The encoder detects the rotation angle of the motor's output shaft. For example, a pair of master and driven gears can deliver 3ml of grease in one revolution, and a lubrication point requires 1ml of grease each time. When the output shaft rotates 1 / 3 revolution, the controller accurately measures and controls the drive device to stop running based on the angle signal fed back by the encoder.
[0019] Furthermore, the driving and driven gears are respectively provided with a driving shaft and a driven shaft. When at least two sebum separation components share the same drive device, the driving shafts of each sebum separation component are coaxially connected or each sebum separation component uses the same long shaft as the driving shaft. Attached Figure Description
[0020] Figure 1 A cross-sectional schematic diagram of one embodiment of the fat separator;
[0021] Figure 2 This is a front view of a second embodiment of the fat separator;
[0022] Figure 2 (a) is Figure 2 Cross-sectional view along the DD direction;
[0023] Figure 3 This is a front view of a third embodiment of the fat separator;
[0024] Figure 3 (a) is Figure 3 Cross-sectional view along the AA direction;
[0025] Figure 3 (b) is the fat separator along Figure 3 (a) Cross section at BB;
[0026] Figure 3 (c) is the fat separator along Figure 3 (a) Cross section at CC;
[0027] Figure 4 A schematic diagram of one embodiment of a lubrication system;
[0028] In the diagram: 1. Drive unit; 2. Housing; 23. Grease inlet; 24. Grease outlet; 3. Grease distribution assembly; 31. Drive gear; 32. Driven gear; 33. Drive shaft; 331. Coupling; 34. Housing; 35. Grease inlet chamber; 36. Grease outlet chamber; 4. Grease inlet pipe; 41. Transverse channel; 43. Grease distribution pipe; 42. Longitudinal channel; 5. Grease main pipe; 51. Grease inlet; 52. Spare grease inlet; 6. Grease tank pump; 7. Dry oil filter; 8. Lubrication point; 9. Grease piping; 10. Controller; 11. Pressure control module; 12. Grease distributor; 13. Encoder. Detailed Implementation
[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present utility model and are not intended to limit the present utility model; that is, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The components of the embodiments of the present utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0030] 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.
[0031] It should be noted that relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0032] The features and performance of this utility model will be further described in detail below with reference to the embodiments.
[0033] One embodiment of the fat separator of this utility model: In this embodiment, the fat separator includes a driving device 1 and a fat separating component, such as... Figure 1As shown, the grease-distributing assembly includes a housing 3, which includes a grease-distributing inner cavity. The inner cavity has a grease inlet 24 and a grease outlet 23. A pair of meshing driving and driven gears are provided within the inner cavity. The cavities on either side of the meshing portion of the driving and driven gears within the inner cavity are a grease inlet cavity 35 and a grease outlet cavity 36, respectively. The grease inlet 24 communicates with the grease inlet cavity 35, and the grease outlet 23 communicates with the grease outlet cavity 36. A driving device 1 drives the driving gear 31 to rotate. The characteristic feature is that the rotation angle of the driving device 1 is controllable. A detection module is provided on the driving device 1 or the housing 34 to detect the rotation angle of the driving device 1, the driving gear 31, or the driven gear 32, so as to calculate the amount of grease discharged from the grease outlet 23 based on the rotation angle. The detection module includes an encoder 13, and the driving device 1 includes a motor. The encoder 13 detects the rotation angle of the motor's output shaft. The driving device 1 can be controlled by a controller 10 built into the mechanical equipment requiring lubrication. In other embodiments, the fat separator also includes a controller 10, which controls the rotation angle of the drive device 1, or the drive device 1 to rotate a full circle, and the controller 10 can control the number of rotations of the drive device 1.
[0034] A second embodiment of the fat separator of this utility model: as follows Figure 2 , Figure 2 As shown in (a), the difference between the fat separator in this embodiment and the fat separator in the above embodiment is that the fat separator in this embodiment includes at least two driving devices 1 and at least two fat separator components 3, and the driving devices 1 and fat separator components 3 are connected in a one-to-one transmission connection.
[0035] The third embodiment of the fat separator of this utility model: as follows Figure 3 and Figure 3 As shown in (a), the difference between this fat separator and the fat separator in the above embodiment is that the fat separator in this embodiment includes a driving device 1 and at least two fat separator components 3, and each fat separator component 3 shares the driving device 1.
[0036] like Figure 3 As shown in (a), the drive shafts 33 of each grease-dispensing assembly 3 are connected by a coupling 331. In other embodiments, each grease-dispensing assembly 3 may also use the same long shaft as the drive shaft.
[0037] In other embodiments, Figure 3 (b) and Figure 3As shown in (c), the grease separator also includes a housing 2 and a grease inlet pipe 4. The upper surface of the housing 2 is provided with a first flow channel hole, and the lower surface is provided with a second flow channel hole and a grease outlet hole corresponding to the grease outlet 24. The grease inlet pipe 4 includes a longitudinal channel 42 and a transverse channel 41, which are connected in a cross shape. The longitudinal channel 42 passes through the first flow channel hole and the second flow channel hole, with one end being a grease inlet 51 and the other end being a spare grease inlet 52. The transverse channel 41 is provided with a grease distribution pipe 43 adapted to the grease inlet 23, and the grease distribution pipe 43 includes a pipe connector. When there are many lubrication points, multiple metering grease distribution groups can be conveniently combined for use. That is, the spare grease inlet 51 of the first metering grease distribution group is connected to the grease inlet 51 of the next metering grease distribution group, and the spare grease inlet 51 of the last metering grease distribution group is in a closed state.
[0038] One embodiment of the lubrication system of this utility model: such as Figure 4 As shown, the lubrication system in this embodiment includes a grease distributor 12, a controller 10, and a grease supply system. The grease supply system includes a grease tank pump 6, a grease filter 7, a pressure control module 11, and a grease delivery main pipe 5. The grease delivery main pipe 5 branches off directly or in parallel to several grease delivery pipes 9, which are connected to the grease inlets 51 of each grease distributor 12 via connecting fittings. The grease outlets 23 of each grease distributor are directly connected to the lubrication points 8 of the equipment via connecting fittings. The controller 10 controls the rotation angle of the drive device 1. The drive device is a DC geared motor, and the detection module is an encoder located on the motor output shaft.
[0039] During operation, the controller 10 first sends a working command to the grease tank pump 6, which then operates to supply pressurized grease to the main grease supply pipe 5. When the end of the main pipe reaches the minimum pressure set by the pressure control module 11, the grease tank pump 6 stops supplying grease. When the end of the main grease supply pipe 5 reaches the pressure set by the pressure control module 11, the grease tank pump 6 automatically starts operating again, thus maintaining pressure in the main grease supply pipe. When a grease distributor reaches the system's set cycle grease supply time, the controller 10 immediately sends a grease supply command to the corresponding grease distributor 12. The drive device 1 of the grease distributor 12 is energized and rotates, driving the gears to supply grease outwards. The encoder 13 feeds back the detected angle signal to the controller 10 in real time. The controller calculates the grease discharge volume based on the angle signal. When the pre-set discharge volume is reached, the drive device 1 is de-energized and stops rotating, at which point the grease supply ends. This process continues until all lubrication points 8 are greased, at which point the electrical control system will enter a cycle timer state (the interval between two lubrication operations is set according to system requirements); when the set cycle time or interval timer ends, the system will restart the lubrication command and repeat the lubrication process of the previous cycle, thus performing lubrication in a continuous cycle.
[0040] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. The patent protection scope of the present utility model shall be determined by the claims. Similarly, any equivalent structural changes made based on the description and drawings of the present utility model shall also be included within the protection scope of the present utility model.
Claims
1. A fat separator comprising a driving device and a fat separating assembly, the fat separating assembly comprising a housing, the housing comprising a fat separating inner cavity, the fat separating inner cavity being provided with a fat inlet and a fat outlet, the fat separating inner cavity being provided with a pair of mutually meshing driving and driven gears, the fat separating inner cavity being provided with a fat inlet cavity and a fat outlet cavity on both sides of the meshing part of the driving and driven gears, the fat inlet being in communication with the fat inlet cavity, and the fat outlet being in communication with the fat outlet cavity, the driving device driving the driving gear, characterized in that, The driving device is rotatable at a controllable angle, and a detection module for detecting the rotation angle of the driving device or the driving gear or the driven gear is arranged on the driving device or the shell, so as to calculate the amount of lubricating grease discharged from the grease outlet according to the rotation angle; the driving device and the grease distribution assembly are one-to-one corresponding transmission connection respectively; or the driving device and the grease distribution assembly are one-to-one corresponding transmission connection respectively, and there are at least two driving devices and at least two grease distribution assemblies respectively; or there is one driving device and at least two grease distribution assemblies, and each grease distribution assembly shares the driving device.
2. The fat separator of claim 1, wherein, The controller controls the rotation angle of the driving device.
3. The fat separator of claim 2, wherein, The driving device rotates a whole circle, and the controller controls the number of rotations of the driving device.
4. The fat separator of claim 1, wherein, The detection module comprises an encoder, and the driving device is a motor, and the encoder detects the rotation angle of the motor output shaft.
5. The fat separator of claim 1, wherein, The driving shaft and the driven shaft are coaxially transmission connected or the same long shaft is used as the driving shaft when at least two grease distribution assemblies share one driving device.
6. The fat separator of claim 1, wherein, The shell and the grease inlet pipeline are further included, the upper surface of the shell is provided with a first flow channel hole, the lower surface is provided with a second flow channel hole and a grease outlet hole corresponding to the grease outlet, the grease inlet pipeline comprises a longitudinal channel and a transverse channel, and the longitudinal channel and the transverse channel are connected in a cross type, the longitudinal channel penetrates through the first flow channel hole and the second flow channel hole, one end of the longitudinal channel is a lubricating grease inlet, and the other end is a lubricating grease standby inlet, the transverse channel is provided with a grease distribution pipe matched with the grease inlet, and the grease distribution pipe comprises a pipe joint.
7. A lubricating system comprising a driving device and a lubricating assembly, the lubricating assembly comprising a housing, the housing comprising a lubricating inner cavity, the lubricating inner cavity being provided with a lubricating inlet and a lubricating outlet, the lubricating inner cavity being provided with a pair of mutually meshing driving and driven gears, in the lubricating inner cavity, the cavities on both sides of the meshing part of the driving and driven gears are respectively a lubricating inlet cavity and a lubricating outlet cavity, the lubricating inlet communicates with the lubricating inlet cavity, and the lubricating outlet communicates with the lubricating outlet cavity, the driving device drives the driving gear; further comprising a controller, characterized in that, The controller controls the rotation angle of the driving device, and a detection module for detecting the rotation angle of the driving device or the driving gear or the driven gear is arranged on the driving device or the shell, so as to calculate the amount of lubricating grease discharged from the grease outlet according to the rotation angle; the driving device and the grease distribution assembly are one-to-one corresponding transmission connection respectively; or the driving device and the grease distribution assembly are one-to-one corresponding transmission connection respectively, and there are at least two driving devices and at least two grease distribution assemblies respectively; or there is one driving device and at least two grease distribution assemblies, and each grease distribution assembly shares the driving device.
8. The lubrication system of claim 7, wherein, The driving device rotates a whole circle, and the controller controls the number of rotations of the driving device.
9. The lubrication system of claim 7, wherein, The detection module comprises an encoder, and the driving device is a motor, and the encoder detects the rotation angle of the motor output shaft.
10. The lubrication system of claim 7, wherein, The driving shaft and the driven shaft are coaxially transmission connected or the same long shaft is used as the driving shaft when at least two grease distribution assemblies share one driving device.
Citation Information
Patent Citations
Rotor type measuring oil distributor, set group and lubricating system adopting same
CN202302669U