Hydraulic oil cooling and supplying system of oil press

Abstract

A hydraulic oil cooling and supplying system of an oil press comprises an oil press body which is fixedly connected with a servo hydraulic station through an oil discharging pipe and an oil supplying pipe, and is characterized in that a cooling assembly for cooling hydraulic oil is installed on the oil discharging pipe and comprises a cooling pipe connected with the oil discharging pipe; a refrigeration box for providing cooling water for the cooling pipe is arranged on the lower portion of the cooling pipe. The cooling assembly is additionally arranged on the oil discharge pipe, so that a series of problems caused by high temperature of hydraulic oil are fundamentally solved, the working environment of staff is better improved, the oil temperature of the hydraulic oil is better guaranteed, the conditions of thinning and oil leakage of an oil body are prevented, and the production efficiency and the economic benefit are greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of cooling and oil supply of oil presses, in particular to a hydraulic oil cooling and oil supply system for an oil press. Background Art

[0002] Hydraulic press, also known as hydraulic press for short, is a machine that uses hydraulic oil as a working medium to transmit pressure to process deformable materials;

[0003] Traditional hydraulic presses have disadvantages such as kinetic energy loss and high noise because the motor and oil pump are always working. When the noise is loud, the operator needs to wear earplugs when operating the hydraulic press. Wearing earplugs for a long time will cause serious hearing damage to the operator.

[0004] Traditional hydraulic press cooling methods usually use natural cooling, but when the hydraulic press works for a long time or the ambient temperature is too high, the oil temperature will rise rapidly, making it impossible to cool it down quickly, resulting in oil thinning or oil leakage.

[0005] When the temperature of the hydraulic oil is high, it will directly lead to a reduction in the stability and working accuracy of the hydraulic press. Some mechanical components may also be stuck, and the sealing device may age and deteriorate rapidly, losing its sealing performance. These situations will directly lead to damage to the hydraulic press, which will seriously affect production efficiency and economic benefits. Utility Model Content

[0006] In order to solve the above problems, the utility model provides a hydraulic oil cooling and oil supply system for an oil press.

[0007] The utility model is realized through the following technical solutions:

[0008] A hydraulic oil cooling and oil supply system for a hydraulic press includes a hydraulic press body, which is fixedly connected to a servo hydraulic station via an oil drain pipe and an oil supply pipe. The hydraulic press body is characterized in that a cooling assembly for cooling the hydraulic oil is installed on the oil drain pipe, the cooling assembly includes a cooling pipe connected to the oil drain pipe, and a refrigeration box is provided at the bottom of the cooling pipe to provide cooling water to the cooling pipe.

[0009] Further optionally, a trapezoidal funnel is provided inside the refrigeration box, an end cover is movably connected to the upper part of the trapezoidal funnel, a bracket for supporting and fixing the cooling pipe is provided on the upper part of the end cover, openings are provided on both sides of the refrigeration box, and a first cooling fan and a second cooling fan are installed and fixed at the corresponding openings.

[0010] Further optionally, a spray pipe is horizontally supported in the cooling pipe, an oil pipe is spirally wound around the outside of the spray pipe, both ends of the oil pipe extend to the outside of the cooling pipe, one end is connected to the oil drain pipe and the other end is connected to the oil inlet of the servo hydraulic station.

[0011] Further optionally, water inlets are respectively provided at both ends of the spray pipe, and the corresponding water inlets are connected to water supply branches extending to the outside of the cooling pipe. The water supply branches are connected to water supply mains, which extend downward and are connected and fixed to the water outlet at the bottom of the cooling box.

[0012] Further optionally, a filter plate is arranged in the trapezoidal funnel, and a plurality of filter holes are opened on the filter plate.

[0013] Further optionally, a plurality of water outlet holes are evenly arranged on the cooling pipe.

[0014] Further optionally, a drain port is provided at the lower portion of the cooling pipe and is connected to the end cover through a drain pipe.

[0015] Further optionally, a booster pump and a control valve are installed on the water supply main.

[0016] Compared with the existing technology, the beneficial effects of the utility model are: the utility model fundamentally solves a series of problems caused by the high temperature of the hydraulic oil by adding a cooling component to the oil drain pipe, better improves the working environment of employees, better guarantees the oil temperature of the hydraulic oil, prevents the oil from becoming thinner and leaking, and greatly improves production efficiency and economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a partial cross-sectional schematic diagram of the utility model;

[0019] Figure 3 It is a left side schematic diagram of the utility model;

[0020] In the figure: hydraulic press 1, servo hydraulic station 2, oil drain pipe 3, oil supply pipe 4, refrigeration box 5, trapezoidal funnel 6, end cover 7, cooling pipe 8, spray pipe 9, oil delivery pipe 10, water inlet 11, water supply branch pipe 12, water supply main pipe 13, filter plate 14, filter hole 15, water outlet 16, drain port 17, first cooling fan 18, second cooling fan 19, bracket 20, drain pipe 21, booster pump 22, control valve 23. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods:

[0022] like Figure 1As shown, a hydraulic oil cooling and oil supply system for an oil hydraulic press comprises an oil hydraulic press body 1, which is fixedly connected to a servo hydraulic station 2 via an oil drain pipe 3 and an oil supply pipe 4, and is characterized in that a cooling assembly for cooling the hydraulic oil is installed on the oil drain pipe 3, the cooling assembly comprises a cooling pipe 8 connected to the oil drain pipe 3, and a refrigeration box 5 for providing cooling water to the cooling pipe 8 is arranged at the lower part of the cooling pipe 8.

[0023] like Figure 1 As shown, a trapezoidal funnel 6 is provided inside the refrigeration box 5, an end cover 7 is movably connected to the upper part of the trapezoidal funnel 6, a bracket 20 for supporting and fixing the cooling pipe 8 is provided on the upper part of the end cover 7, openings are provided on both sides of the refrigeration box 5, and a first cooling fan 18 and a second cooling fan 19 are installed and fixed at the corresponding openings.

[0024] like Figure 1 A spray pipe 9 is horizontally supported in the cooling pipe 8 shown, and an oil pipe 10 is spirally wound on the outside of the spray pipe 9. Both ends of the oil pipe 10 extend to the outside of the cooling pipe 8, one end is connected to the oil drain pipe 3 and the other end is connected to the oil inlet of the servo hydraulic station 2.

[0025] like Figure 1 The spray pipe 9 shown has water inlets 11 at both ends, and the corresponding water inlets 11 are connected to a water supply branch pipe 12 extending to the outside of the cooling pipe 8. The water supply branch pipe 12 is connected to a water supply main pipe 13, which extends downward and is connected and fixed to the water outlet at the bottom of the cooling box.

[0026] like Figure 2 As shown, a filter plate 14 is arranged in the trapezoidal funnel 6, and a plurality of filter holes 15 are opened on the filter plate 14.

[0027] like Figure 1 , 2 As shown, a plurality of water outlet holes 16 are evenly arranged on the cooling pipe 8 .

[0028] like Figure 1 As shown, a drain port 17 is provided at the lower portion of the cooling pipe 8 and is connected to the end cover 7 through a drain pipe 21 .

[0029] like Figure 3 As shown, a booster pump 22 and a control valve 23 are installed on the water supply main 13 .

[0030] The implementation principle of a hydraulic oil cooling and supply system for a hydraulic press according to an embodiment of the present application is as follows:

[0031] When the hydraulic press 1 is working, the hydraulic oil will be supplied through the servo hydraulic station 2. The hydraulic oil that has done work in the hydraulic press 1 will flow out through the oil outlet 4. The hydraulic oil that flows out of the oil outlet will enter the servo hydraulic station 2 through the oil drain pipe 3 and the cooling component. The hydraulic oil that has entered the servo hydraulic station 2 will be transported to the hydraulic press 1 through the oil supply pipe 4.

[0032] The hydraulic oil passing through the cooling assembly will first enter the oil delivery pipe 10 in the cooling pipe 8. When entering the oil delivery pipe 10, the control valve 23 is opened and the booster pump 22 is started. The booster pump 22 will drive the cooling water in the refrigeration box 5 into the water supply branch pipe 12 through the water supply main pipe 13 and flow to the spray pipe 9. The cooling water entering the spray pipe 9 will be sprayed out from the water outlet 16. The sprayed cooling water will be evenly sprayed on the oil delivery pipe 10, thereby cooling the high-temperature hydraulic oil in the oil delivery pipe 10. After cooling, the temperature of the cooling water will rise. At the same time, it will flow out from the drain port 17 at the bottom of the cooling pipe 8 through the drain pipe 21 and flow into the trapezoidal funnel 6 at the top of the refrigeration box 5. The cooling water with increased temperature will pass through the filter holes 15 on the filter plate 14 and disperse and fall into the refrigeration box 5. When the temperature of the cooling water disperses and falls, the first cooling fan 18 and the second cooling fan 19 are started to increase the contact area between the cooling water and the air, so as to cool down the falling high-temperature cooling water. After cooling down, it will fall into the refrigeration box 5 and continue to perform circulation cooling operation through the booster pump 22;

[0033] After the cooling, the hydraulic oil will flow out of the oil delivery pipe 10 and enter the servo hydraulic station 2. The servo hydraulic station 2 will then deliver the oil to the hydraulic press 1 through the oil supply pipe 4 to continue the hydraulic operation.

[0034] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A hydraulic oil cooling and supply system for a hydraulic press, comprising a hydraulic press (1), the hydraulic press (1) being connected and fixed to a servo hydraulic station (2) via an oil drain pipe (3) and an oil supply pipe (4), characterized in that: A cooling assembly for cooling the hydraulic oil is installed on the oil drain pipe (3), and the cooling assembly includes a cooling pipe (8) connected to the oil drain pipe (3). A refrigeration box (5) for providing cooling water to the cooling pipe (8) is arranged at the lower part of the cooling pipe (8). A trapezoidal funnel (6) is arranged inside the refrigeration box (5). An end cover (7) is movably connected to the upper part of the trapezoidal funnel (6). A bracket (20) for supporting and fixing the cooling pipe (8) is arranged at the upper part of the end cover (7). Openings are arranged on both sides of the refrigeration box (5), and a first cooling fan (18) and a second cooling fan (19) are installed and fixed corresponding to the openings.

2. The hydraulic oil cooling and supply system for a hydraulic press according to claim 1, characterized in that: A spray pipe (9) is horizontally supported inside the cooling pipe (8), an oil delivery pipe (10) is spirally wound outside the spray pipe (9), both ends of the oil delivery pipe (10) extend to the outside of the cooling pipe (8), one end is connected to the oil drain pipe (3) and the other end is connected to the oil inlet of the servo hydraulic station (2).

3. The hydraulic oil cooling and supply system for a hydraulic press according to claim 2, characterized in that: The spray pipe (9) is provided with water inlets (11) at both ends, and the water inlets (11) are connected to water supply branches (12) extending to the outside of the cooling pipe (8), and the water supply branches (12) are connected to water supply mains (13). The water supply mains (13) extend downward and are connected and fixed to the water outlet at the bottom of the cooling box.

4. The hydraulic oil cooling and supply system for a hydraulic press according to claim 1, characterized in that: A filter plate (14) is arranged inside the trapezoidal funnel (6), and a plurality of filter holes (15) are formed on the filter plate (14).

5. The hydraulic oil cooling and supply system for a hydraulic press according to claim 2, characterized in that: The cooling pipe (8) is evenly provided with a plurality of water outlet holes (16).

6. The hydraulic oil cooling and supply system for a hydraulic press according to claim 5, characterized in that: A drainage port (17) is provided at the lower portion of the cooling pipe (8) and is connected to the end cover (7) via a drainage pipe (21).

7. The hydraulic oil cooling and supply system for a hydraulic press according to claim 3, characterized in that: A booster pump (22) and a control valve (23) are installed on the water supply main pipe (13).

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