Search

CN-224228968-U - Pneumatic pressurizing type hydraulic station of separated oil tank

CN224228968UCN 224228968 UCN224228968 UCN 224228968UCN-224228968-U

Abstract

The utility model discloses a pneumatic pressurizing type hydraulic station of a separated oil tank, belongs to the technical field of hydraulic stations, and solves the problem that the service life of precision equipment is affected after a plurality of branch oil ways of the existing hydraulic station share the oil tank to cause pollution to different degrees. The pneumatic booster pump comprises an oil tank and a pneumatic booster pump, and further comprises a first electromagnetic directional valve, wherein two air source interfaces of the pneumatic booster pump are connected with the first electromagnetic directional valve, the first electromagnetic directional valve is connected with a compressed air source, a partition plate for dividing the air source into two independent oil cavities is arranged in the oil tank, two oil suction ports of the pneumatic booster pump are respectively communicated with the two oil cavities, and two oil outlets of the pneumatic booster pump are respectively communicated with an execution oil cylinder through an oil supply pipeline, and the oil supply pipeline comprises a pressure reducing valve and a second electromagnetic directional valve. The pneumatic pressurizing hydraulic station provided by the utility model has the advantages that the energy consumption is effectively reduced, the environmental protection performance is improved, and the normal operation of each execution cylinder can be ensured.

Inventors

  • LI ZHIFENG
  • XU SIFEI
  • GAN JIANQUAN

Assignees

  • 广西鑫博轩机械科技有限公司

Dates

Publication Date
20260512
Application Date
20250623

Claims (9)

  1. 1. The utility model provides a pneumatic pressurizing type hydraulic station of cellular-type oil tank, includes oil tank (1) and pneumatic booster pump (2), its characterized in that still includes first electromagnetic directional valve (3), pneumatic booster pump (2) for have two oil-sucking ports (201), two oil-out (202), the double-end pneumatic pump of two air source interfaces (203), two air source interfaces (203) and first electromagnetic directional valve (3) intercommunication of pneumatic booster pump (2), first electromagnetic directional valve (3) and compressed air source intercommunication, oil tank (1) in be equipped with baffle (4) with its partition into two independent oil pocket, two oil-sucking ports (201) of pneumatic booster pump (2) communicate with two oil pockets respectively, two oil-out (202) of pneumatic booster pump (2) all communicate with execution hydro-cylinder (5) through the oil supply pipeline, oil-supply pipeline include relief valve (6) and second electromagnetic directional valve (7), oil-out (202), relief valve (6), second electromagnetic directional valve (7) of pneumatic booster pump (2), be equipped with between pneumatic booster pump (2) and execution in proper order pneumatic booster pump (8) and pressure accumulator (8).
  2. 2. The pneumatic pressurizing type hydraulic station of a divided type oil tank according to claim 1, wherein an oil-water separator (9) is further arranged on a pipeline between the first electromagnetic directional valve (3) and the compressed air source.
  3. 3. A pneumatic pressurizing hydraulic station of a divided tank according to claim 1, characterized in that a pressure gauge (10) is also provided on the line between the accumulator (8) and the pressure reducing valve (6) and between the pressure reducing valve (6) and the second electromagnetic directional valve (7).
  4. 4. A pneumatic pressurizing hydraulic station of a divided tank according to claim 1, characterized in that the two corresponding chambers in the tank (1) are each provided with a level gauge (11).
  5. 5. The pneumatic pressurizing hydraulic station of a divided type oil tank according to claim 1, wherein the pneumatic booster pump (2) comprises a cylinder sleeve (204), a cylinder piston (205), an oil cylinder sleeve (206) and oil cylinder pistons (207), the two oil cylinder sleeves (206) are respectively fixed at two sides of the cylinder sleeve (204), the cylinder piston (205) is slidably mounted in the cylinder sleeve (204), one oil cylinder piston (207) is slidably mounted in each oil cylinder sleeve (206), each oil cylinder piston (207) is connected with the cylinder piston (205) through a piston rod (208), two air source interfaces (203) are respectively positioned at two sides of the cylinder piston (205) and are communicated with the cylinder sleeve (204), two oil suction ports (201) are respectively positioned at the bottom of one side of the two oil cylinder pistons (207) away from the cylinder sleeve (204) and are communicated with the oil cylinder sleeve (206), two oil cylinder sleeves (202) are respectively positioned at the top of the two oil cylinder pistons (207) away from the top of the cylinder sleeve (204) and are respectively communicated with the two oil suction ports (201), and two corresponding one-way valves (209) are respectively arranged on the two oil suction ports (201).
  6. 6. A pneumatic pressurizing hydraulic station of a divided fuel tank according to any one of claims 1-5, wherein the pneumatic booster pump (2), the first electromagnetic directional valve (3), the pressure reducing valve (6), the second electromagnetic directional valve (7) and the accumulator (8) are all integrally mounted on top of the fuel tank (1).
  7. 7. The pneumatic pressurizing type hydraulic station of the separated oil tank according to claim 6, wherein the top of the oil tank (1) is provided with a silencing box (12), and the first electromagnetic directional valve (3) and the pneumatic pressurizing pump (2) are both positioned in the silencing box (12).
  8. 8. A pneumatic pressurizing hydraulic station of a divided tank according to claim 6, characterized in that said tank (1) is mounted on a mobile cart.
  9. 9. A pneumatic pressurizing type hydraulic station of a divided tank according to claim 6, characterized in that the top outer edge of the tank (1) is provided with a sump (13).

Description

Pneumatic pressurizing type hydraulic station of separated oil tank Technical Field The utility model relates to the technical field of hydraulic stations, in particular to a pneumatic pressurizing type hydraulic station of a separated oil tank. Background The hydraulic station is a hydraulic source device composed of a hydraulic pump, a driving motor, an oil tank, a directional valve, a throttle valve, an overflow valve, and the like, or a hydraulic device including a control valve, and is widely used in lathes and machining centers for hydraulic control of a clamp cylinder, a precision turntable, and the like. Conventional hydraulic stations are usually driven by supplying oil to a hydraulic oil path by using an electric pump, but the electric pump has relatively high energy consumption and has been gradually eliminated. According to the prior art with the authorized bulletin number of CN 214741884U, the pneumatic booster pump station is disclosed, the pneumatic booster pump is fixedly arranged at the upper end of the oil tank, the right side of the pneumatic booster pump is fixedly connected with an air source, the oil gauge is fixedly arranged on the pneumatic booster pump, the pneumatic reversing valve is fixedly arranged at the upper end of the pneumatic booster pump, the electromagnetic valve is fixedly arranged at the left side of the pneumatic booster pump, the oil tank is small in size, space-saving, convenient to install, and capable of boosting the pump station by utilizing air driving, electricity-saving, low in noise, easy to adjust, wide in application range, automatic in pressure maintaining, energy-saving, more environment-friendly and safe, and more flexible in application compared with the conventional hydraulic station. In the existing hydraulic station, oil is supplied to an oil way in a pneumatic booster pump mode, although energy consumption can be reduced, the hydraulic station is more environment-friendly, after the pneumatic booster pump absorbs oil, the hydraulic station is directly supplied to all execution cylinders for use, and in practical application, the quality requirements on hydraulic oil in different execution cylinders are different, the hydraulic oil of the same oil tank is shared, and the control of equipment operation precision is not facilitated. If the turntable of the machining center is provided with a hydraulic clamp, a gap or a sealing piece aging condition exists at the movable part of the oil cylinder on the hydraulic clamp, certain impurities can be carried along with the turntable to return to the oil tank after long-time operation, and the precision turntable of the machining center has higher quality requirements on hydraulic oil by the corresponding execution oil cylinder, and if the hydraulic oil in the same oil tank is used, the working precision and stability of the machining center are easily affected, and even the machining center is damaged. Therefore, there is a need to design a pneumatic pressurizing type hydraulic station of a divided type oil tank to solve the above-mentioned technical problems. Disclosure of utility model The utility model aims to solve the technical problems in the prior art, and aims to provide a pneumatic pressurizing type hydraulic station of a separated oil tank, which can effectively reduce energy consumption, improve environmental protection performance and ensure normal operation of each execution oil cylinder. The technical scheme is that the pneumatic pressurizing hydraulic station of the separated oil tank comprises an oil tank and a pneumatic booster pump, and further comprises a first electromagnetic reversing valve, wherein the pneumatic booster pump is a double-head pneumatic pump with two oil suction ports, two oil outlets and two air source interfaces, the two air source interfaces of the pneumatic booster pump are connected with the first electromagnetic reversing valve, the first electromagnetic reversing valve is connected with a compressed air source, a partition plate for separating the pneumatic booster pump into two independent oil cavities is arranged in the oil tank, the two oil suction ports of the pneumatic booster pump are respectively communicated with the two oil cavities, the two oil outlets of the pneumatic booster pump are respectively communicated with an execution oil cylinder through an oil supply pipeline, the oil supply pipeline comprises a pressure reducing valve and a second electromagnetic reversing valve, the oil outlets of the pneumatic booster pump, the pressure reducing valve, the second electromagnetic reversing valve and the execution oil cylinder are sequentially communicated, and an accumulator is further arranged on a pipeline between the pneumatic booster pump and the pressure reducing valve. As a further improvement, an oil-water separator is also arranged on the pipeline between the first electromagnetic directional valve and the compressed air source. Furthermore, pressure