CN211823226U - Industrial oil cooling machine - Google Patents

Abstract

The utility model discloses a cold machine of industrial oil, machine incasement portion is cut apart into holding cavity and cooling cavity, is provided with refrigerating system in the holding cavity, and the cooling cavity is cut apart into refrigeration oil tank and oil storage oil tank, and the refrigeration oil tank is cut apart in proper order and is traded hot storehouse, first hot cold fusion storehouse and the hot cold storehouse of fusing of second, and the storehouse of fusing of trading hot and cold is linked together with first hot cold fusion storehouse, and first hot cold fusion storehouse is linked together with the hot cold fusion storehouse of second, and the hot cold fusion storehouse of second is linked together with the oil storage oil tank. The utility model discloses a heat transfer storehouse, the cold storehouse of fusing of first heat and the cold storehouse of fusing of second heat are cooled down to hydraulic oil, when the temperature of hydraulic oil reduces below the setting value, the compressor stop work, hydraulic oil continues to circulate in the oil storage tank and mixes with the coolant oil in the oil storage tank for the difference in temperature change control in the hydraulic oil is at 0.1 degree, the difference in temperature in the hydraulic oil that significantly reduces effectively cools down in real time to the lathe, guarantees the production precision of lathe main shaft.

Description

Industrial oil cooling machine

Technical Field

The utility model relates to a refrigeration technology field, in particular to cold machine of industrial oil.

Background

The oil cooler utilizes the principle of evaporation and heat absorption of a refrigerant to carry out cooling work. According to the principle of a refrigeration system, a low-temperature low-pressure liquid refrigerant exchanges heat with surrounding water in an evaporator, the evaporator absorbs the heat of oil and is evaporated into a low-temperature low-pressure gas state, the temperature of the refrigerant is unchanged in the evaporation process, the low-temperature low-pressure gas refrigerant enters a compressor and is compressed by the compressor to be compressed into a high-temperature high-pressure gas state, then the high-temperature high-pressure gas state enters a condenser and exchanges heat with an indoor medium in the condenser, part of the heat of the high-temperature high-pressure gas state is absorbed by the medium, the temperature of the medium rises, the refrigerant releases heat, the condenser is changed into a high-temperature high-pressure liquid state, the temperature of the condenser is unchanged in the process, then the refrigerant enters an expansion valve for throttling, the throttling is a rapid cooling process, the refrigerant is changed into the low-temperature, the oil can be continuously refrigerated.

The oil cooler is used for cooling heating components such as a main shaft, a screw rod and a bearing of equipment such as a numerical control machining center and a numerical control lathe. Wherein, when the temperature of main shaft rises 0.1 degree every time, can lead to the main shaft heat to rise 0.002mm long, solve the temperature rise of cooling oil through the oil cooling machine to the temperature variation of control main shaft makes the heat of main shaft rise the length and is certain, thereby guarantees the precision of processing the work piece.

However, the existing oil cooler only has one oil tank, the cooling and heat exchange of the cooling oil are both in the same oil tank, the temperature difference in the oil tank is large, for example, when the cooling temperature is set to 25 degrees, when the oil temperature is lower than 24.5 degrees, the compressor stops working, when the oil temperature is higher than 25.5 degrees, the compressor starts, and when the temperature difference is 1 degree in the oil tank, the temperature error is high, the machine tool can not be cooled in time, so that the error of the main shaft of the machine tool occurs, and the production quality of products is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the defect that exists among the above-mentioned prior art, provide a cold machine of industrial oil to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows: an industrial oil cooler comprises a case, the inside of the case is divided into a containing cavity and a cooling cavity through a refrigeration operation platform, a refrigeration system is arranged in the containing cavity, the cooling cavity is divided into a refrigeration oil tank and an oil storage tank through a first partition plate, the refrigeration oil tank is sequentially divided into a heat exchange bin, a first hot and cold fusion bin and a second hot and cold fusion bin through a second partition plate and a third partition plate, the heat exchange bin is communicated with the first hot and cold fusion bin, the first hot and cold fusion bin is communicated with the second hot and cold fusion bin, the second hot and cold fusion bin is communicated with the oil storage tank, a first heat exchanger is arranged in the heat exchange bin, a second heat exchanger is arranged in the first hot and cold fusion bin, one end of the first heat exchanger is connected with one end of the second heat exchanger, the other end of the first heat exchanger extends upwards from the heat exchange bin and is connected with the refrigeration system, the other end of the second heat exchanger extends upwards from the first hot-cold fusion bin to be connected with the refrigerating system.

As a further elaboration of the above technical solution:

in the technical scheme, the first heat exchanger and the second heat exchanger are cooling copper pipes and are respectively fixed in the heat exchange bin and the first heat and cold fusion bin correspondingly, the heat exchange bin is internally provided with a first heat dissipation block, the first heat and cold fusion bin is internally provided with a second heat dissipation block, a first circulation port through which hydraulic oil can circulate is formed in the rear side of the top of the second separation plate, the heat exchange bin is communicated with the first heat and cold fusion bin through the first circulation port, and the cooling copper pipes are wound on the outer side surface of the second heat dissipation block through the first circulation port.

In the technical scheme, a second circulation port through which hydraulic oil can circulate is formed in the front side of the bottom of the third partition plate, and the first hot and cold fusion bin and the second hot and cold fusion bin are communicated through the second circulation port.

In the technical scheme, an oil separation plate is vertically arranged in the second hot-cold fusion bin, a circulation gap through which hydraulic oil can circulate is formed between the top of the oil separation plate and the bottom of the refrigeration operation platform, and a third circulation port through which hydraulic oil can circulate is formed in a first partition plate on the rear side of the oil separation plate and communicated with the oil storage tank.

In the above technical scheme, the first heat exchanger and the second heat exchanger are cooling copper pipes and are respectively fixed in the corresponding heat exchange bin and the first hot-cold fusion bin through fixing blocks.

In the technical scheme, a first thermocouple temperature detector is arranged in the heat exchange bin, a second thermocouple temperature detector is arranged in the oil storage tank, and the first thermocouple temperature detector and the second thermocouple temperature detector are respectively in signal connection with the refrigerating system.

In the above technical scheme, refrigerating system includes condenser, compressor, oil pump, CD-ROM drive motor, fan, temperature controller and drying filter, the condenser is arranged in the holding cavity, the fan is arranged in the condenser, CD-ROM drive motor install in the holding cavity and with the fan with oil pump transmission connects, thereby the drive the fan with the action takes place for the oil pump, the compressor with follow the cooling copper pipe that upwards stretches out in the first hot cold fusion storehouse is connected, drying filter's one end with the condenser is connected, and the other end with follow upwards stretch out in the heat transfer storehouse cooling copper pipe is connected, the temperature controller is installed in the holding cavity.

In the technical scheme, an oil return port and an oil outlet are formed in one side face of the case, the oil return port is communicated with the interior of the heat exchange bin through an oil return pipe, the oil outlet is connected with one end of an oil pump through an oil outlet pipe, and the oil pump is communicated with the oil storage tank through an oil pumping pipe.

In the above technical scheme, the oil pump with be connected with the fluid solenoid valve between the oil outlet pipe, be connected with first pressure release oil pipe between fluid solenoid valve and the oil storage tank, the fluid solenoid valve with be provided with second pressure release oil pipe between the oil outlet pipe, second pressure release oil pipe's the other end with the oil storage tank is linked together.

In the above technical scheme, a first pneumatic electromagnetic valve and a second pneumatic electromagnetic valve are arranged between the compressor and the cooling copper pipe.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model divides the interior of the machine case into a holding cavity and a cooling cavity, the cooling cavity is divided into a refrigeration oil tank and an oil storage tank by a first division plate, the refrigeration oil tank is divided into a heat exchange chamber, a first hot and cold fusion chamber and a second hot and cold fusion chamber by a second division plate and a third division plate in sequence, the heat exchange chamber is communicated with the first hot and cold fusion chamber, the first hot and cold fusion chamber is communicated with the second hot and cold fusion chamber, the second hot and cold fusion chamber is communicated with the oil storage tank, a first heat exchanger is arranged in the heat exchange chamber, a second heat exchanger is arranged in the first hot and cold fusion chamber, one end of the first heat exchanger is connected with one end of the second heat exchanger, the other end of the first heat exchanger extends upwards from the heat exchange chamber to be connected with a refrigeration system, the other end of the second heat exchanger extends upwards from the first hot and cold fusion chamber to be connected with the refrigeration system, the heat exchange chamber, the first hot and cold fusion chamber and the second hot and cold fusion, when the temperature of the hydraulic oil is reduced to be below a set value, the compressor stops working, the hydraulic oil continuously circulates into the oil storage tank and is mixed with cooling oil in the oil storage tank, so that the temperature difference change in the hydraulic oil is controlled to be 0.1 ℃, the temperature difference in the hydraulic oil is greatly reduced, the machine tool is effectively cooled in real time, the production precision of a machine tool spindle is guaranteed, defective products are reduced, and the production cost is saved.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention from another angle;

fig. 3 is a partial cross-sectional view of the present invention;

FIG. 4 is a partial cross-sectional view of another aspect of the present invention;

fig. 5 is a partial view of the present invention;

fig. 6 is a partial view from another angle of the present invention.

In the figure: 1. a chassis; 2. a refrigeration operation platform; 3. an accommodating cavity; 4. cooling the cavity; 5. a refrigeration system; 51. a condenser; 52. a compressor; 53. an oil pump; 54. a drive motor; 55. a fan; 56. a temperature controller; 57. drying the filter; 6. a first partition plate; 61. a third flow port; 7. a refrigeration oil tank; 8. an oil storage tank; 9. a second partition plate; 91. a first circulation port; 10. a third partition plate; 101. a second flow port; 11. a heat exchange bin; 12. a first hot and cold fusion bin; 13. a second hot and cold fusion bin; 131. an oil removal plate; 132. a flow-through gap; 14. a first heat exchanger; 15. a second heat exchanger; 16. cooling the copper pipe; 17. A first thermocouple temperature detector; 18. a second thermocouple temperature detector; 19. an oil return port; 20. an oil outlet; 21. an oil return pipe; 22. an oil outlet pipe; 23. an oil pumping pipe; 24. a first fluid pressure transmitter; 25. a second fluid pressure transmitter; 26. a fluid solenoid valve; 27. a first pressure relief oil pipe; 28. a second pressure relief oil pipe; 29. a first pneumatic solenoid valve; 30. a second pneumatic solenoid valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1 to 6, an industrial oil cooler comprises a case 1, the inside of the case 1 is divided into an accommodating cavity 3 and a cooling cavity 4 by a refrigeration operation platform 2, a refrigeration system 5 is arranged in the accommodating cavity 3, the cooling cavity 4 is divided into a refrigeration oil tank 7 and an oil storage oil tank 8 by a first partition plate 6, the refrigeration oil tank 7 is sequentially divided into a heat exchange bin 11, a first heat-cold fusion bin 12 and a second heat-cold fusion bin 13 by a second partition plate 9 and a third partition plate 10, the heat exchange bin 11 is communicated with the first heat-cold fusion bin 12, the first heat-cold fusion bin 12 is communicated with the second heat-cold fusion bin 13, the second heat-cold fusion bin 13 is communicated with the oil storage oil tank 8, a first heat exchanger 14 is arranged in the heat exchange bin 11, a second heat exchanger 15 is arranged in the first heat-cold fusion bin 12, one end of the first heat exchanger 14 is connected with one end of the second heat exchanger 15, the other end of the first heat exchanger 14 extends upwards from the heat exchange bin 11 to be connected with the refrigerating system 5, and the other end of the second heat exchanger 15 extends upwards from the first hot-cold fusion bin 12 to be connected with the refrigerating system 5. The utility model discloses well heat transfer storehouse 11, first hot cold fusion storehouse 12 and the hot cold fusion storehouse 13 of second are cooled down to hydraulic oil, when the temperature of hydraulic oil reduces below the setting value, the compressor stop work, hydraulic oil continues to circulate and mixes with the coolant oil in the oil storage tank 8, make the temperature difference change control in the hydraulic oil at 0.1 degree, the difference in temperature of the hydraulic oil that significantly reduces, effectively cool down in real time to the lathe, guarantee the production precision of lathe main shaft, reduce the production of defective products, and the production cost is saved.

In this embodiment, the first heat exchanger 14 and the second heat exchanger 15 are cooling copper pipes 16, and are respectively fixed in the corresponding heat exchange bin 11 and the first hot-cold fusion bin 12 through fixing blocks. The setting area of the cooling copper pipe 16 in the heat exchange bin 11 is larger than that in the first hot-cold fusion bin 12, so that the heat exchange efficiency in the heat exchange bin 11 is higher than that in the first hot-cold fusion bin 12. Of course, the areas of the cooling copper pipes in the heat exchange bin 11 and the first hot-cold fusion bin 12 can be designed according to actual conditions, which is not limited by the embodiment.

In this embodiment, as shown in fig. 3, 4 first heat dissipation blocks 14 are arranged in the heat exchange bin 11, 2 second heat dissipation blocks 15 are arranged in the first hot-cold fusion bin 12, and the cooling copper pipes 16 are sequentially wound on the outer side surfaces of the first heat dissipation blocks 14 and the second heat dissipation blocks 15. Receive the hydraulic oil of high temperature in the heat transfer storehouse 11, carry out rapid cooling to hydraulic oil through 4 first radiating block 14, of course, the first radiating block 14 in the heat transfer storehouse 11 and the first heat and cold quantity that sets up that the second in fusing storehouse 12 dispels the heat 15 can select according to actual conditions, and this embodiment is not limited.

Specifically, as shown in fig. 3, a first circulation port 91 through which hydraulic oil can circulate is formed in the rear side of the top of the second partition plate 9, the heat exchange bin 11 is communicated with the first hot-cold fusion bin 12 through the first circulation port 91, and the cooling copper pipe 16 passes through the first circulation port 91 and is wound on the outer side surface of the second heat dissipation block 15. A second circulation port 101 through which hydraulic oil can circulate is formed in the front side of the bottom of the third partition plate 10, and the first hot and cold fusion bin 12 and the second hot and cold fusion bin 13 are communicated through the second circulation port 101. High-temperature hydraulic oil sequentially enters the heat exchange bin 11, the first hot and cold fusion bin 12 and the second hot and cold fusion bin 13 to be cooled.

As shown in fig. 4, an oil separation plate 131 is vertically disposed in the second hot and cold fusion chamber 13, a circulation gap 132 through which hydraulic oil can circulate is disposed between the top of the oil separation plate 131 and the bottom of the refrigeration operation platform 2, and a third circulation port 61 through which hydraulic oil can circulate is disposed on the first partition plate 6 at the rear side of the oil separation plate 131 and is communicated with the oil storage tank 8. When the volume of the hydraulic oil is higher than the oil separation plate 131, the hydraulic oil flows into the oil storage tank 8 through the third through port 61 and is mixed with the oil in the oil storage tank 8 to reduce the temperature, so that the temperature rise is prevented from being too large, and when the temperature is reduced to a set value, the compressor 52 stops working, the continuous work of the compressor 52 is avoided, and the service life of the compressor 52 is ensured. Of course, the positions of the first, second, and third ports 91, 101, and 61 may be selected according to the actual situation, and are not limited to this embodiment.

Preferably, as shown in fig. 3 and 6, a first thermocouple temperature detector 17 is disposed inside the heat exchange chamber 11, a second thermocouple temperature detector 18 is disposed inside the oil storage tank 8, the first thermocouple temperature detector 17 and the second thermocouple temperature detector 18 are respectively in signal connection with the refrigeration system 5, and the temperatures in the heat exchange chamber 11 and the oil storage tank 8 are reflected in real time by the first thermocouple temperature detector 17 and the second thermocouple temperature detector 18 and are reflected to the refrigeration system 5, so as to control the opening and closing of the refrigeration system 5.

In this embodiment, as shown in fig. 5 and fig. 6, the refrigeration system 5 includes a condenser 51, a compressor 52, an oil pump 53, a driving motor 54, a fan 55, a temperature controller 56 and a drying filter 57, the condenser 51 is disposed in the accommodating cavity 3, the fan 55 is disposed in the condenser 51, the driving motor 54 is disposed in the accommodating cavity 3 and is in transmission connection with the fan 55 and the oil pump 53, so as to drive the fan 55 and the oil pump 53 to move, the compressor 52 is connected with a cooling copper pipe 16 extending upward from the first heat-cold fusion chamber 12, one end of the drying filter 57 is connected with the condenser 51, the other end of the drying filter is connected with the cooling copper pipe 16 extending upward from the heat exchange chamber 11, and the temperature controller 56 is disposed in the accommodating cavity 3.

Specifically, as shown in fig. 2, an oil return port 19 and an oil outlet 20 are formed in one side surface of the chassis 1, the oil return port 19 is communicated with the inside of the heat exchange bin 11 through an oil return pipe 21, the oil outlet 20 is connected with one end of an oil pump 53 through an oil outlet pipe 22, and the oil pump 53 is communicated with the oil storage tank 8 through an oil pumping pipe 23. Preferably, a first fluid pressure transmitter 24 is connected between the oil return port 19 and the oil return pipe 21, and a second fluid pressure transmitter 25 is connected between the oil outlet 20 and the oil outlet pipe 22, so as to control the oil return pressure and the oil outlet pressure of the hydraulic oil, and ensure the stable operation of the equipment.

Preferably, as shown in fig. 6, a fluid solenoid valve 26 is connected between the oil pump 53 and the oil outlet pipe 22, the fluid solenoid valve 26 is opened and closed according to the opening and closing of the main shaft of the numerical control machine, when the main shaft of the numerical control machine does not rotate, the fluid solenoid valve 26 is closed, and the cooling oil flows back into the refrigeration oil tank 7, so that the continuous cooling of the main shaft by the oil cooler is avoided, the temperature of the main shaft is reduced too fast, however, the cooling oil inside the oil cooler can continue to circulate, the temperature inside the oil cooler is ensured to be constant at the set temperature, the oil temperature inside the oil cooler is prevented from rising or falling due to the fact that the oil cooler stops working for too long time, and the preparation. The fluid battery valve 26 can be directly controlled by a numerical control machine, or can send a signal to the oil cooler to control through the numerical control machine, and a user can select the fluid battery valve according to actual conditions.

Preferably, a first pressure relief oil pipe 27 is connected between the fluid solenoid valve 26 and the oil storage tank 8, and the oil pump 53 is protected by the first pressure relief oil pipe 27, so as to avoid that the outlet end of the oil pump 53 is over pressurized due to the failure of the fluid solenoid valve 26 when the driving motor 54 works. A second pressure relief oil pipe 28 is arranged between the fluid electromagnetic valve 26 and the oil outlet pipe 22, the other end of the second pressure relief oil pipe 28 is communicated with the oil storage tank 8, and the oil pump 53 and the fluid electromagnetic valve 26 are protected by the second pressure relief oil pipe 28, so that the phenomenon that an external working circuit is blocked to cause overlarge pressure is avoided.

As shown in fig. 6, a first pneumatic solenoid valve 29 and a second pneumatic solenoid valve 30 are arranged between the compressor 52 and the cooling copper pipe 16, and when the hydraulic oil needs to be heated, the first pneumatic solenoid valve 29 and the second pneumatic solenoid valve 30 control the compressor 52 to heat reversely to heat the hydraulic oil, so that the hydraulic oil below the set temperature can be heated to the set temperature quickly, and the preparation time of the machine tool is reduced.

In this embodiment, as shown in fig. 1 and 3, the accommodating cavity 3 and the cooling cavity 4 are arranged from top to bottom. The refrigeration oil tank 7 and the oil storage oil tank 8 are arranged from top to bottom. The heat exchange bin 11, the first hot and cold fusion bin 12 and the second hot and cold fusion bin 13 are sequentially arranged from left to right. Of course, the position that sets up of holding cavity 3 and cooling cavity 4, refrigeration oil tank 7 and oil storage tank 8, heat transfer storehouse 11, the position that sets up of first hot-cold fusion storehouse 12 and second hot-cold fusion storehouse 13 can be selected according to actual conditions, for example, can set up oil storage tank 8 in the top of refrigeration oil tank 7, then pump oil through increasing the oil pump, heat transfer storehouse 11, first hot-cold fusion storehouse 12 and second hot-cold fusion storehouse 13 also can be followed the right side and set gradually left, as long as can realize the mutual circulation of hydraulic oil, it sets up the position not the restriction of this embodiment.

In addition, the oil storage tank 8 is provided with 1, the heat transfer bin 11, the first hot and cold fusion bin 12 and the second hot and cold fusion bin 13 are provided with 1 respectively, and the number of the oil storage tank 8, the heat transfer bin 11, the first hot and cold fusion bin 12 and the second hot and cold fusion bin 13 can be selected according to actual conditions, which is not limited by the embodiment.

In this embodiment, the cooling liquid in the oil storage tank 8 may be cooling oil or cooling water, or may be other flowing liquids, and a user may select the cooling liquid according to actual conditions.

In this embodiment, the cooling oil tank 7 can also be set as an empty oil tank, and the hot-cold exchanging device is added to cool the hydraulic oil outside the oil cooler, and then the cooled hydraulic oil circulates to the empty cooling oil tank 7, and when the oil amount in the cooling oil tank 7 is higher than the oil separation plate 131, the hydraulic oil circulates to the oil storage oil tank 8 and is mixed with the oil in the oil storage oil tank 8, so as to ensure the constancy of the temperature in the oil cooler. The heat and cold exchange device may also be configured as an evaporator, or may be configured as another device, and a user may select the heat and cold exchange device according to actual situations, which is not limited in this embodiment.

During operation, high-temperature hydraulic oil sequentially enters the heat exchange bin 11, the first hot-cold fusion bin 12 and the second hot-cold fusion bin 13 through the oil return port 19 and the oil return pipe 21, the high-temperature hydraulic oil is cooled in the heat exchange bin 11 and the first hot-cold fusion bin 12, when the capacity of the hydraulic oil is higher than the oil separation plate 131, the hydraulic oil flows into the oil storage tank 8 through the third flow port 61 and is mixed with oil in the oil storage tank 8 for cooling, when the temperature is reduced to a set value, the compressor 52 stops working, and the cooling is realized by mixing with the oil in the oil storage tank 8.

The utility model divides the interior of the machine case into a containing cavity 3 and a cooling cavity 4, the cooling cavity 4 is divided into a refrigeration oil tank 7 and an oil storage tank 8 by a first partition plate 6, the refrigeration oil tank 7 is divided into a heat exchange bin 11, a first hot and cold fusion bin 12 and a second hot and cold fusion bin 13 by a second partition plate 9 and a third partition plate 10 in sequence, the heat exchange bin 11 is communicated with the first hot and cold fusion bin 12, the first hot and cold fusion bin 12 is communicated with the second hot and cold fusion bin 13, the second hot and cold fusion bin 13 is communicated with the oil storage tank 8, the heat exchange bin 11, the first hot and cold fusion bin 12 and the second hot and cold fusion bin 13 cool the hydraulic oil, when the temperature of the hydraulic oil is reduced to be below a set value, the compressor stops working, the hydraulic oil continuously circulates to the oil storage tank 8 to be mixed with the cooling oil in the oil storage tank 8, so that the temperature difference change in the hydraulic oil is controlled at 0.1 degree, the temperature difference in the hydraulic oil is greatly reduced, the machine tool is effectively cooled in real time, the production precision of the main shaft of the machine tool is guaranteed, defective products are reduced, and the production cost is saved.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims (9)

1. An industrial oil cooler comprises a case and is characterized in that the inside of the case is divided into a containing cavity and a cooling cavity through a refrigeration operation platform, a refrigeration system is arranged in the containing cavity, the cooling cavity is divided into a refrigeration oil tank and an oil storage tank through a first partition plate, the refrigeration oil tank is sequentially divided into a heat exchange bin, a first hot and cold fusion bin and a second hot and cold fusion bin through a second partition plate and a third partition plate, the heat exchange bin is communicated with the first hot and cold fusion bin, the first hot and cold fusion bin is communicated with the second hot and cold fusion bin, the second hot and cold fusion bin is communicated with the oil storage tank, a first heat exchanger is arranged in the heat exchange bin, a second heat exchanger is arranged in the first hot and cold fusion bin, one end of the first heat exchanger is connected with one end of the second heat exchanger, the other end of the first heat exchanger extends out of the heat exchange bin upwards and is connected with the refrigeration system, the other end of the second heat exchanger extends upwards from the first hot-cold fusion bin to be connected with the refrigerating system.

2. The industrial oil cooler according to claim 1, wherein the first heat exchanger and the second heat exchanger are cooling copper pipes and are respectively fixed in the corresponding heat exchange bin and the first heat-cold fusion bin, a first heat dissipation block is arranged in the heat exchange bin, a second heat dissipation block is arranged in the first heat-cold fusion bin, a first circulation port through which hydraulic oil can circulate is formed in the rear side of the top of the second partition plate, the heat exchange bin is communicated with the first heat-cold fusion bin through the first circulation port, and the cooling copper pipes penetrate through the first circulation port and are wound on the outer side face of the second heat dissipation block.

3. The industrial oil cooler according to claim 1, wherein a second flow port through which hydraulic oil can flow is formed in a front side of a bottom of the third partition plate, and the first hot-cold fusion bin and the second hot-cold fusion bin are communicated through the second flow port.

4. The industrial oil cooler according to claim 1, wherein an oil separation plate is vertically arranged in the second hot and cold fusion bin, a circulation gap through which hydraulic oil can circulate is formed between the top of the oil separation plate and the bottom of the refrigeration operation platform, and a third circulation port through which hydraulic oil can circulate is formed in the first partition plate at the rear side of the oil separation plate and is communicated with the oil storage tank.

5. The industrial oil chiller according to claim 1 wherein a first thermocouple temperature detector is disposed inside the heat exchange bin, a second thermocouple temperature detector is disposed inside the oil storage tank, and the first thermocouple temperature detector and the second thermocouple temperature detector are in signal connection with the refrigeration system respectively.

6. The industrial oil chiller according to any one of claims 1 to 5, wherein the refrigeration system comprises a condenser, a compressor, an oil pump, a driving motor, a fan, a temperature controller and a drying filter, the condenser is arranged in the accommodating cavity, the fan is arranged in the condenser, the driving motor is arranged in the accommodating cavity and is in transmission connection with the fan and the oil pump so as to drive the fan and the oil pump to move, the compressor is connected with a cooling copper pipe extending upwards from the first heat and cold fusion bin, one end of the drying filter is connected with the condenser, the other end of the drying filter is connected with a cooling copper pipe extending upwards from the heat exchange bin, and the temperature controller is arranged in the accommodating cavity.

7. The industrial oil cooler according to claim 6, wherein an oil return port and an oil outlet port are formed in one side surface of the case, the oil return port is communicated with the inside of the heat exchange bin through an oil return pipe, the oil outlet port is connected with one end of the oil pump through an oil outlet pipe, and the oil pump is communicated with the oil storage tank through an oil pumping pipe.

8. The industrial oil cooler according to claim 7, wherein a fluid solenoid valve is connected between the oil pump and the oil outlet pipe, a first pressure relief oil pipe is connected between the fluid solenoid valve and the oil storage tank, a second pressure relief oil pipe is arranged between the fluid solenoid valve and the oil outlet pipe, and the other end of the second pressure relief oil pipe is communicated with the oil storage tank.

9. The industrial oil chiller according to claim 6 wherein a first pneumatic solenoid valve and a second pneumatic solenoid valve are disposed between said compressor and said cooling copper tube.

Images