Novel vibrating screen thin oil lubricating system
By designing a new type of vibrating screen thin oil lubrication system, and using PLC controllers for automated monitoring and lubricating oil circuit design, the problems of noise, dust and insufficient lubrication of vibrating screen bearings are solved, and the long-term stable operation and maintenance of the equipment is achieved, and maintenance costs and downtime are reduced.
Patent Information
- Application Number
- CN202510213727.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2025-05-02
AI Technical Summary
The existing vibrating screen has bearing noise and dust problems during use, and the inability to send people to the office for a long time has resulted in missed maintenance and insufficient lubrication methods, which makes the oil volume and temperature unable to be monitored in real time, resulting in unstable equipment operation.
A new type of vibrating screen thin oil lubrication system is designed, including a hydraulic station and a start-up control cabinet, and the PLC controller is used for automatic monitoring, and the temperature, oil volume and vibration frequency data are collected in real time, abnormalities are discovered in a timely manner and early warnings are issued, and the lubricating oil circuit design is improved to ensure uniform lubrication of the bearing.
Through an automated monitoring system, reduce manual inspections, reduce labor costs, increase bearing life by more than 50%, reduce faults and maintenance costs, and improve equipment stability and production efficiency.
Smart Images

Figure CN119914815A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of vibrating screen lubrication, in particular to a novel vibrating screen thin oil lubrication system. Background Art
[0002] With the rise of emerging markets, the vibrating screen market continues to expand. Strengthening environmental regulations has driven companies to update their equipment and adopt more efficient, intelligent and environmentally friendly vibrating screens. According to industry reports, the global market size is expected to grow further by 2029, with an average annual growth rate of about 3%. Vibrating screens are not only widely used in traditional mining, metallurgy, and building materials industries, but also in fine screening fields such as food processing and pharmaceutical manufacturing. Especially in the production of high value-added products, the efficiency and stability of vibrating screens are crucial to product quality and production efficiency.
[0003] The existing vibrating screen is mainly composed of screen box, spring upper seat and spring, vibrating body parts, connecting seat assembly, motor and pulley, connecting seat frame, motor frame, positioner, etc. According to different needs of users, the vibrating screen can be equipped with metal woven screen, polyurethane cast screen, polyurethane woven screen, punching screen plate and other forms.
[0004] In summary, the existing vibrating screens still have the following technical problems: There are two main problems in the use of the vibrating screen. First, the vibration and dust of the vibration screen bearings are relatively large, and since it is impossible to assign personnel to be on duty for a long time, inspections can only be carried out when the equipment is shut down, which may miss the best time for repair and maintenance, and may even cause irreparable failures. Secondly, the current lubrication method of the vibrating screen is insufficient. Some parts are lubricated with grease, which requires refueling every shift, but it is impossible to monitor the oil level or whether the bearing is overheated in real time; and the parts that use lubricating oil are splash lubricated, the lubricating oil cannot be replaced, and temperature data cannot be collected in real time. These problems make the maintenance and monitoring of the vibrating screen have certain risks, affecting the long-term stable operation of the equipment and the timeliness of maintenance. For this reason, it is necessary to propose a new vibrating screen thin oil lubrication system to provide a new technical solution to solve the technical problems mentioned in the above patents. Summary of the invention
[0005] Based on this, it is necessary to provide a new type of vibrating screen thin oil lubrication system to address the above technical problems. By optimizing the work flow and lubrication system of the vibrating screen, significant benefits can be brought. By implementing an automated monitoring system, manual inspections are reduced, saving one worker's salary each year and reducing labor costs. At the same time, the lubrication oil circuit design is improved to ensure that the bearings are fully and evenly lubricated. It is expected that the bearing life can be increased by more than 50%, reducing failures and maintenance costs caused by overheating or insufficient lubrication.
[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:
[0007] A new type of vibrating screen thin oil lubrication system.
[0008] The novel vibrating screen thin oil lubrication system specifically includes a hydraulic station and a start control cabinet;
[0009] The hydraulic station includes an oil inlet pressure module, an oil inlet temperature module, an oil return amount detection module, an oil return temperature module, an oil tank temperature module, a liquid level monitoring module, and a lubricating oil monitoring module;
[0010] The starting control cabinet includes a PLC controller, and the modules included in the hydraulic station are all connected to the PLC controller;
[0011] The PLC controller has the functions of oil pressure regulation, pressure display, inlet / outlet oil temperature display, oil tank temperature display, liquid level display, operating time display, etc.
[0012] The oil outlet end of the hydraulic station is connected to the bearing cover through an oil inlet pipe, a bearing is arranged inside the bearing cover, a main shaft is arranged inside the bearing, and both ends of the main shaft pass through the two ends of the bearing cover and are connected to the bearing seats on both sides of the vibrating screen, and a vibrating body is fixedly connected to the surface of the main shaft;
[0013] A straight return oil pipe is arranged at the bottom end of the bearing cover and the straight return oil pipe is connected to the return oil end of the hydraulic station through a main return oil joint. A bent return oil pipe is fixedly connected to the side of the bearing cover and the bent return oil pipe is connected to the main return oil joint through a valve block group.
[0014] As a preferred embodiment of the novel vibrating screen thin oil lubrication system provided by the present invention, the bearing cover is fixedly arranged in the middle of the vibrating screen, the surface of the bearing cover is fixedly connected with a direct joint a, one side of the main oil return joint is fixedly arranged with a direct joint b, the two ends of the oil inlet pipe are respectively fixedly connected to the direct joint a and the direct joint b, and the end of the direct joint b away from the oil inlet pipe is connected to the oil outlet end of the hydraulic station.
[0015] As a preferred embodiment of the novel vibrating screen thin oil lubrication system provided by the present invention, an oil-flinging plate is arranged inside the bearing cover and the oil-flinging plate is fixedly connected to the main shaft, a sealing ring is fixedly connected to the surface of the main shaft, and J-type oil seals are fixedly connected to both ends of the bearing cover, and the J-type oil seal is tightly attached to the sealing ring.
[0016] As a preferred embodiment of the novel vibrating screen thin oil lubrication system provided by the present invention, a ventilation plug is arranged at the top end of the bearing cover, and an oil storage pool is arranged at the bottom end of the bearing cover.
[0017] As a preferred implementation of the novel vibrating screen thin oil lubrication system provided by the present invention, the oil pressure of the oil inlet pressure regulating module can be adjusted to 0.2-0.6MPa, and the flow rate is 10L / min.
[0018] As a preferred implementation of the novel vibrating screen thin oil lubrication system provided by the present invention, the PLC control module is interlocked with the control module of the main motor of the equipment to form a closed loop.
[0019] Compared with the prior art, the present invention has the following beneficial effects:
[0020] The novel vibrating screen thin oil lubrication system provided by the present invention can bring remarkable benefits by optimizing the working process and lubrication system of the vibrating screen. By implementing an automated monitoring system, manual inspections are reduced, the annual salary of a worker is saved, and the labor cost is reduced. At the same time, the lubrication oil circuit design is improved to ensure that the bearings are fully and evenly lubricated. It is expected that the bearing life can be increased by more than 50%, and the failure and maintenance costs caused by overheating or insufficient lubrication can be reduced.
[0021] The novel vibrating screen thin oil lubrication system provided by the present invention introduces a real-time monitoring system, which can collect the operating data of the vibrating screen, such as temperature, oil volume, vibration frequency, etc., in real time, promptly detect abnormalities and issue early warnings, thereby avoiding equipment damage caused by lack of monitoring and improving the stability and production efficiency of the equipment. Overall, these improvement measures not only improve the operating efficiency of the equipment, but also significantly reduce maintenance costs and downtime, bringing higher economic benefits to the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the scheme of the present invention, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0023] Figure 1 A schematic diagram of the overall structure of a novel vibrating screen thin oil lubrication system provided by the present invention;
[0024] Figure 2 The novel vibrating screen thin oil lubrication system provided by the present invention Figure 1 A schematic diagram of the cross-sectional structure of;
[0025] Figure 3 The novel vibrating screen thin oil lubrication system provided by the present invention Figure 2 Schematic diagram of the enlarged structure at point A in the middle.
[0026] The markings in the figure are as follows:
[0027] 1. Direct connector a; 2. Oil inlet pipe; 3. Direct connector b; 4. Bearing seat; 5. Main shaft; 6. Bearing; 7. Bearing cover; 8. Oil throwing tray; 9. Sealing ring; 10. J-type oil seal; 11. Bent return oil pipe; 12. Straight return oil pipe; 13. Valve block assembly; 14. Main return oil joint; 15. Vent plug; 16. Hydraulic station; 17. Start control cabinet; 18. Vibrator. DETAILED DESCRIPTION
[0028] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.
[0029] As described in the background technology, there are two main problems in the use of the vibrating screen. First, the vibration screen bearings are noisy and dusty, and since it is impossible to assign people to be on duty for a long time, inspections can only be carried out when the equipment is shut down, which may miss the best time for repair and maintenance, and may even cause irreparable failures. Secondly, the current lubrication method of the vibrating screen is insufficient. Some parts are lubricated with grease, which requires refueling every shift, but it is impossible to monitor the oil level or whether the bearing is overheated in real time; and the parts that use lubricating oil are splash lubricated, the lubricating oil cannot be replaced, and temperature data cannot be collected in real time. These problems make the maintenance and monitoring of the vibrating screen risky, affecting the long-term stable operation of the equipment and the timeliness of maintenance.
[0030] In order to solve this technical problem, the present invention provides a novel vibrating screen thin oil lubrication system.
[0031] Specifically, please refer to Figure 1-Figure 3 The novel vibrating screen thin oil lubrication system specifically includes a hydraulic station 16 and a start control cabinet 17;
[0032] The hydraulic station 16 includes an oil inlet pressure module, an oil inlet temperature module, an oil return amount detection module, an oil return temperature module, an oil tank temperature module, a liquid level monitoring module, and a lubricating oil monitoring module;
[0033] The start control cabinet 17 includes a PLC controller, and the modules included in the hydraulic station 16 are all connected to the PLC controller;
[0034] The PLC controller has functions such as oil pressure regulation, pressure display, inlet / outlet oil temperature display, oil tank temperature display, liquid level display, and operating time display.
[0035] The novel vibrating screen thin oil lubrication system provided by the present invention can bring remarkable benefits by optimizing the working process and lubrication system of the vibrating screen. By implementing an automated monitoring system, manual inspections are reduced, the annual salary of a worker is saved, and the labor cost is reduced. At the same time, the lubrication oil circuit design is improved to ensure that the bearings are fully and evenly lubricated. It is expected that the bearing life can be increased by more than 50%, and the failure and maintenance costs caused by overheating or insufficient lubrication can be reduced.
[0036] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.
[0037] Please refer to Figure 1-Figure 3 , a novel vibrating screen thin oil lubrication system, which includes a hydraulic station 16 and a start control cabinet 17;
[0038] The hydraulic station 16 includes an oil inlet pressure module, an oil inlet temperature module, an oil return amount detection module, an oil return temperature module, an oil tank temperature module, a liquid level monitoring module, and a lubricating oil monitoring module;
[0039] The start control cabinet 17 includes a PLC controller, and the modules included in the hydraulic station 16 are all connected to the PLC controller;
[0040] The PLC controller has functions such as oil pressure regulation, pressure display, inlet / outlet oil temperature display, oil tank temperature display, liquid level display, and operating time display;
[0041] The oil outlet of the hydraulic station 16 is connected to the bearing cover 7 through the oil inlet pipe 2. The bearing cover 7 is provided with a bearing 6 inside. The bearing 6 is provided with a main shaft 5 inside. The two ends of the main shaft 5 pass through the two ends of the bearing cover 7 and are connected to the bearing seats 4 on both sides of the vibrating screen. The surface of the main shaft 5 is fixedly connected with a vibrating body 18.
[0042] A straight return oil pipe 12 is provided at the bottom end of the bearing cover 7, and the straight return oil pipe 12 is connected to the return oil end of the hydraulic station 16 through a main return oil joint 14. A bent return oil pipe 11 is fixedly connected to the side of the bearing cover 7, and the bent return oil pipe 11 is connected to the main return oil joint 14 through a valve block group 13.
[0043] Specifically, the bearing cover 7 is fixedly arranged in the middle part of the vibrating screen, a direct joint a1 is fixedly connected to the surface of the bearing cover 7, a direct joint b3 is fixedly arranged on one side of the main oil return joint 14, and both ends of the oil inlet pipe 2 are respectively fixedly connected to the direct joint a1 and the direct joint b3, and the end of the direct joint b3 away from the oil inlet pipe 2 is connected to the oil outlet end of the hydraulic station 16.
[0044] Specifically, an oil-slinging pan 8 is provided inside the bearing cover 7 and is fixedly connected to the main shaft 5. A sealing ring 9 is fixedly connected to the surface of the main shaft 5. J-type oil seals 10 are fixedly connected to both ends of the bearing cover 7, and the J-type oil seals 10 are tightly attached to the sealing rings 9.
[0045] Specifically, a ventilation plug 15 is provided at the top end of the bearing cover 7 , and an oil storage pool is provided at the bottom end of the bearing cover 7 .
[0046] Specifically, the oil pressure of the oil inlet pressure regulating module is adjustable.
[0047] Specifically, the PLC control module is interlocked with the control module of the main motor of the equipment to form a closed loop.
[0048] Through the above structural design, the lubrication line starts from the hydraulic station 16, the oil is pressed into the oil pipe by the oil pump, the oil is cooled by the air cooler and then enters the oil pipe, and enters the bearing cover 7 through the direct connector b3, the oil inlet pipe 2, and the direct connector a1. There is a spacer with holes in the middle of the bearing cover 7, and the lubricating oil enters the bearing 6 cavity through the spacer. After the lubricating oil in the bearing 6 cavity fully lubricates the bearing 6, it flows to the oil storage pools on both sides of the bearing 6, and then is collected through the bent return oil pipe 11 and the straight return oil pipe 12, and finally returns to the inside of the hydraulic station 16;
[0049] During operation, the PLC controller in the start-up control cabinet 17 receives feedback signals such as oil temperature, oil pressure, and whether there is oil shortage. If the oil temperature is too high or the oil pressure is too low, an alarm is triggered. If the oil temperature is too high or there is no oil return, the machine is shut down directly to avoid damage to the vibration body components.
Claims
1. A novel vibrating screen thin oil lubrication system, characterized by; It includes a hydraulic station (16) and a start control cabinet (17); The hydraulic station (16) comprises an oil inlet pressure module, an oil inlet temperature module, an oil return amount detection module, an oil return temperature module, an oil tank temperature module, a liquid level monitoring module, and a lubricating oil monitoring module; The starting control cabinet (17) includes a PLC controller, and the modules included in the hydraulic station (16) are all connected to the PLC controller; The PLC controller has the functions of oil pressure regulation, pressure display, inlet / outlet oil temperature display, oil tank temperature display, liquid level display, operating time display, etc. The oil outlet end of the hydraulic station (16) is connected to the bearing cover (7) through the oil inlet pipe (2); a bearing (6) is arranged inside the bearing cover (7); a main shaft (5) is arranged inside the bearing (6); two ends of the main shaft (5) pass through the two ends of the bearing cover (7) and are connected to the bearing seats (4) on both sides of the vibrating screen; a vibrating body (18) is fixedly connected to the surface of the main shaft (5); A straight oil return pipe (12) is provided at the bottom end of the bearing cover (7), and the straight oil return pipe (12) is connected to the oil return end of the hydraulic station (16) through a main oil return joint (14); a bent oil return pipe (11) is fixedly connected to the side of the bearing cover (7), and the bent oil return pipe (11) is connected to the main oil return joint (14) through a valve block group (13).
2. The novel vibrating screen thin oil lubrication system according to claim 1 is characterized in that: The bearing cover (7) is fixedly arranged in the middle of the vibrating screen, a direct joint a (1) is fixedly connected to the surface of the bearing cover (7), a direct joint b (3) is fixedly arranged on one side of the main oil return joint (14), two ends of the oil inlet pipe (2) are respectively fixedly connected to the direct joint a (1) and the direct joint b (3), and one end of the direct joint b (3) away from the oil inlet pipe (2) is connected to the oil outlet end of the hydraulic station (16).
3. The novel vibrating screen thin oil lubrication system according to claim 2 is characterized in that: An oil-slinging pan (8) is arranged inside the bearing cover (7) and the oil-slinging pan (8) is fixedly connected to the main shaft (5); a sealing ring (9) is fixedly connected to the surface of the main shaft (5); and J-shaped oil seals (10) are fixedly connected to both ends of the bearing cover (7), and the J-shaped oil seals (10) are tightly attached to the sealing rings (9).
4. The novel vibrating screen thin oil lubrication system according to claim 3 is characterized in that: The top end of the bearing cover (7) is provided with a vent plug (15), and the bottom end of the bearing cover (7) is provided with an oil storage pool.
5. The novel vibrating screen thin oil lubrication system according to claim 4 is characterized in that: The oil pressure of the oil inlet pressure regulating module is adjustable.
6. The novel vibrating screen thin oil lubrication system according to claim 5 is characterized in that: The PLC control module is interlocked with the control module of the equipment host motor to form a closed loop.