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CN-224214500-U - Novel pressurized oil station capable of switching quantity of pressurized rollers

CN224214500UCN 224214500 UCN224214500 UCN 224214500UCN-224214500-U

Abstract

The utility model relates to the technical field of hydraulic systems and discloses a novel pressurizing oil station capable of switching the number of pressurizing rollers, which comprises a hydraulic oil tank, wherein a motor is fixedly connected to the top end of the hydraulic oil tank, an oil pump is fixedly connected to the driving end of the motor, an oil suction filter is connected to one end of the oil pump, an overflow valve is connected to the other end of the oil pump, a multi-way reversing valve group is connected to one end of the overflow valve, a filter pipe is connected to the oil return end of the multi-way reversing valve group, a sealing block is connected to the inner wall of the filter pipe in a sliding manner, an oil return filter cover is fixedly connected to the top end of the sealing block, and an annular rod is connected to the outer wall of the oil return filter cover through a sliding assembly. According to the utility model, a hydraulic system is used for controlling multiple hydraulic cylinders through the parallel multiple reversing valve groups, the hydraulic oil flow direction is flexibly switched to adapt to different working conditions, the oil return filter cover can be quickly detached to replace the filter core by pulling the limiting rod outwards and rotating the annular rod, the maintenance is simplified, the cost is reduced, the service life is prolonged, and a high-efficiency and reliable hydraulic scheme is provided.

Inventors

  • WANG HONGTAO
  • WANG ZHENZHONG
  • MENG XINYI
  • LI RAN
  • ZHANG CHI

Assignees

  • 天津宏生建材科技有限公司

Dates

Publication Date
20260508
Application Date
20250616

Claims (7)

  1. 1. The novel pressurized oil station capable of switching the number of the pressurized rollers comprises a hydraulic oil tank (1) and is characterized in that a motor (2) is fixedly connected to the top end of the hydraulic oil tank (1), an oil pump (3) is fixedly connected to the driving end of the motor (2), an oil suction filter (12) is connected to one end of the oil pump (3), an overflow valve (5) is connected to the other end of the oil pump (3), a multi-way reversing valve group is connected to one end of the overflow valve (5), a filter pipe (4) is connected to the oil return end of the multi-way reversing valve group, a sealing block (20) is slidably connected to the inner wall of the filter pipe (4), an oil return filter cover (11) is fixedly connected to the top end of the sealing block (20), an annular rod (13) is connected to the outer wall of the oil return filter cover (11) through a sliding assembly, a limiting rod (14) is slidably connected to one end of the annular rod (13), a spring (15) is sleeved on the outer wall of the limiting rod (14), a moving plate (16) is fixedly connected to the outer wall of the limiting rod (14), and a filter element (21) is arranged inside the filter pipe (4).
  2. 2. The novel pressurized oil station with the switchable number of pressurizing rollers according to claim 1, wherein the multiple directional control valve group comprises a first multiple directional control valve (6), a second multiple directional control valve (8), a third multiple directional control valve (9) and a fourth multiple directional control valve (10), and one end of the first multiple directional control valve (6), one end of the second multiple directional control valve (8), one end of the third multiple directional control valve (9) and one end of the fourth multiple directional control valve (10) are connected with electromagnetic directional control valves (7).
  3. 3. The novel pressurized oil station capable of switching the number of the pressurizing rollers according to claim 1, wherein the sliding assembly comprises a sliding rod (19) which is connected to the inner wall of the oil return filter cover (11) in a sliding mode, one end of the sliding rod (19) is rotatably connected with a connecting rod (18), the outer wall of the oil return filter cover (11) is fixedly connected with a fixed block (17), the annular rod (13) is rotatably connected to the inner wall of the fixed block (17), and the connecting rod (18) is rotatably connected to the inner side of one end of the annular rod (13).
  4. 4. A novel pressurized oil station with a switchable number of pressurized rollers as claimed in claim 1, characterized in that the filter tube (4) is in sliding connection with a sliding rod (19).
  5. 5. A novel pressurized oil station with switchable number of pressurizing rollers according to claim 1, wherein one end of the spring (15) is connected to one side of the moving plate (16), and the other end of the spring (15) is connected to the inner wall of the annular rod (13).
  6. 6. The novel pressurized oil station with the switchable number of pressurized rollers according to claim 1, wherein the limiting rod (14) is in sliding connection with the oil return filter cover (11), and the moving plate (16) is in sliding connection with the annular rod (13).
  7. 7. The novel pressurized oil station capable of switching the number of the pressurizing rollers according to claim 1, wherein the filter pipe (4) is fixedly connected to the top end of the oil tank and extends into the hydraulic oil tank (1), the multi-way reversing valve group is fixedly connected to the top end of the hydraulic oil tank (1), and the overflow valve (5) is fixedly connected to the top end of the hydraulic oil tank (1).

Description

Novel pressurized oil station capable of switching quantity of pressurized rollers Technical Field The utility model relates to the technical field of hydraulic systems, in particular to a novel pressurizing oil station capable of switching the number of pressurizing rollers. Background In modern industrial production, hydraulic systems are widely used in various mechanical devices due to their efficient, stable and precise control properties. Particularly in the scene that needs multiple spot pressurization or pressure adjustment, hydraulic system can realize the accurate pressurization to different work pieces or technology through the pneumatic cylinder. However, in the actual production process, due to the diversity of process requirements, the equipment often needs to flexibly adjust the number of the pressurizing points so as to adapt to different working condition requirements. Therefore, how to design a hydraulic system capable of flexibly switching the number of pressing rollers has become an important point of industry. Currently, conventional hydraulic systems typically employ a single hydraulic cylinder control scheme, or separate control of the various pressure rollers via multiple independent hydraulic systems. Although the design can meet the requirements in certain specific scenes, the problems that firstly, a plurality of independent hydraulic systems can lead to the increase of equipment volume, the increase of cost and the complexity of maintenance, and secondly, a single hydraulic cylinder control mode cannot flexibly adjust the number of pressurizing rollers, when the working condition requirements change, the utilization rate of the equipment can be obviously reduced, even the equipment needs to be completely shut down and replaced, and the production efficiency is seriously affected. In addition, in terms of maintenance of the hydraulic system, the conventional oil return filter replacement process is complex, and a great deal of time is generally consumed for disassembly and assembly, so that the downtime is increased, and the maintenance cost is increased. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides a novel pressurizing oil station capable of switching the number of pressurizing rollers, which realizes that a hydraulic system controls a plurality of hydraulic cylinders through a plurality of parallel reversing valve groups, flexibly switches the flow direction of hydraulic oil to adapt to different working conditions, and can quickly detach an oil return filter cover to change a filter core by pulling a limiting rod outwards and rotating an annular rod, thereby simplifying maintenance, reducing cost and prolonging service life and providing a high-efficiency reliable hydraulic scheme. In order to achieve the above purpose, the novel pressurizing oil station capable of switching the number of pressurizing rollers comprises a hydraulic oil tank, wherein the top end of the hydraulic oil tank is fixedly connected with a motor, the driving end of the motor is fixedly connected with an oil pump, one end of the oil pump is connected with an oil suction filter, the other end of the oil pump is connected with an overflow valve, one end of the overflow valve is connected with a multi-way reversing valve group, the oil return end of the multi-way reversing valve group is connected with a filter pipe, the inner wall of the filter pipe is slidably connected with a sealing block, the top end of the sealing block is fixedly connected with an oil return filter cover, the outer wall of the oil return filter cover is connected with an annular rod through a sliding component, one end of the annular rod is slidably connected with a limiting rod, the outer wall of the limiting rod is sleeved with a spring, the outer wall of the limiting rod is fixedly connected with a movable plate, and a filter element is arranged inside the filter pipe. Further, the multiple-way reversing valve group comprises a first multiple-way reversing valve, a second multiple-way reversing valve, a third multiple-way reversing valve and a fourth multiple-way reversing valve, and one end of the first multiple-way reversing valve, one end of the second multiple-way reversing valve, one end of the third multiple-way reversing valve and one end of the fourth multiple-way reversing valve are all connected with electromagnetic reversing valves. Further, the sliding component comprises a sliding rod which is connected to the inner wall of the oil return filter cover in a sliding mode, one end of the sliding rod is rotationally connected with a connecting rod, the outer wall of the oil return filter cover is fixedly connected with a fixed block, the annular rod is rotationally connected to the inner wall of the fixed block, and the connecting rod is rotationally connected to the inner side of one end of the annular rod. Further, the filter pipe is in sliding connection with the