CN111231179A - Oil temperature machine cooling system and use method thereof - Google Patents

Abstract

The invention discloses a cooling system of an oil temperature machine and a using method thereof, and the cooling system comprises an oil tank, wherein an oil supplementing port and an oil overflow port are formed in the oil tank, a liquid level display meter is fixedly installed at the top of the oil tank, an oil outlet pipe of the oil tank is fixedly connected with an inlet end of a circulating pump through a valve, an outlet end of the circulating pump is fixedly connected with an inlet end of a heater, an outlet end of the heater is fixedly connected with a heat exchanger, an outlet end of the heat exchanger is provided with a pressure gauge and a temperature sensor, a return pipe of the oil tank is also provided with the temperature sensor, the temperature sensor positioned on the return pipe is fixedly connected with an oil outlet. The invention has the beneficial effects that: the cooling efficiency is improved, the cost is saved, the temperature control precision can be improved, and the energy is saved.

Description

Oil temperature machine cooling system and use method thereof

Technical Field

The invention relates to the technical field of oil temperature machines, in particular to a cooling system of an oil temperature machine and a using method thereof.

Background

The oil temperature machine is a mold temperature machine which takes heat conduction oil as a heat transfer medium as the name implies. The oil temperature machine is provided with an oil storage tank, heat conduction oil enters the system from the oil storage tank during working and is pumped into a die or other equipment needing temperature control through a circulating pump, and the heat conduction oil returns to the system after coming out of the equipment needing temperature control, and the process is repeated. The heat conducting oil is heated by the heater, and when the temperature of the medium detected by the temperature sensing probe reaches a set value, the heater stops working. When the temperature is lower than the set value, the heater starts to work, and when the temperature reaches the set value, the heater stops working. The operation is repeated in a circulating way. The oil temperature machine in the prior art has low cooling efficiency and high cost during cooling, and cannot accurately control the temperature.

The person skilled in the art is dedicated to solving the above technical drawbacks.

Disclosure of Invention

In view of the above-mentioned defects in the prior art, the present invention is directed to a cooling system for an oil temperature machine and a method for using the same, which can improve cooling efficiency, save cost, improve temperature control accuracy, and solve the above-mentioned defects in the background art more energy-saving

In order to achieve the technical purpose, the invention provides a cooling system of an oil temperature machine, which comprises an oil tank, wherein an oil supplementing opening and an oil overflow opening are formed in the oil tank, a liquid level display meter is fixedly installed at the top of the oil tank, an oil outlet pipe of the oil tank is fixedly connected with an inlet end of a circulating pump through a valve, an outlet end of the circulating pump is fixedly connected with an inlet end of a heater, an outlet end of the heater is fixedly connected with a heat exchanger, an outlet end of the heat exchanger is provided with a pressure gauge and a temperature sensor, a return pipe of the oil tank is also provided with the temperature sensor, the temperature sensor positioned on the return pipe is fixedly connected with an oil outlet of equipment.

Further, be provided with cooling water outlet and cooling water inlet on the heat exchanger, cooling water outlet includes outlet valve and check valve, cooling water inlet includes filter, inlet valve and cooling solenoid valve, the cooling water inlet is totally two sets ofly, and parallel connection between two sets of.

Further, the pipeline loop of the oil tank is also provided with an oil drain port, the oil drain port is arranged on a pipeline at the inlet end of the circulating pump, and a check valve is fixedly arranged on the oil drain port in the same way.

A cooling system of an oil temperature machine and a using method thereof comprise the following steps:

the method comprises the steps that firstly, when an oil temperature machine needs to heat, two cooling electromagnetic valves are closed to heat at the same time, when the heating temperature exceeds a set temperature, the cooling system is controlled accurately through controlling the cooling system, and a controller controls the cooling system through an internal program to control temperature difference;

the second step, when the oil-out temperature surpassed when setting for 5 degrees centigrade because of overshooting, two way solenoid valves all opened, can rapid cooling, when the difference in temperature dropped to 2 degrees centigrade, closed cooling system temperature reduction all the way, because the cooling reduces, the oil temperature can not be because the undershoot too fast leads to the difference in temperature big, the oil temperature can get off the temperature very fast.

The invention has the beneficial effects that: according to the invention, the liquid level display meter is fixedly arranged on the top of the re-oil tank, the oil outlet pipe of the oil tank is fixedly connected with the inlet end of the circulating pump through the valve, the outlet end of the circulating pump is fixedly connected with the inlet end of the heater, the outlet end of the heater is fixedly connected with the heat exchanger, the outlet end of the heat exchanger is provided with the pressure gauge and the temperature sensor, the return pipe of the oil tank is also provided with the temperature sensor, the temperature sensor on the return pipe is fixedly connected with the oil outlet of the equipment, and the other temperature sensor is fixedly connected with the oil return port of the equipment to improve the cooling efficiency.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention.

Reference numbers in the figures: the device comprises an oil tank 1, a valve 2, an equipment oil outlet 3, a circulating pump 4, a heater 5, a pressure gauge 6, a temperature sensor 7, a heat exchanger 8, a cooling water inlet 9, a filter 901, a water inlet valve 902, a cooling electromagnetic valve 903, a cooling water outlet 10, a water outlet valve 101, a check valve 102, an oil discharge port 11, a liquid level display meter 12, an oil supplementing port 13, an oil overflow port 14 and an equipment oil return port 15.

Detailed Description

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

Example (b):

a cooling system of an oil temperature machine comprises an oil tank 1, wherein an oil supplementing opening 13 and an oil overflowing opening 14 are formed in the oil tank 1, a liquid level display meter 12 is further fixedly installed at the top of the oil tank 1, an oil outlet pipe of the oil tank 1 is fixedly connected with an inlet end of a circulating pump 4 through a valve 2, an outlet end of the circulating pump 5 is fixedly connected with an inlet end of a heater 5, an outlet end of the heater 5 is fixedly connected with a heat exchanger 8, and it is worth noting that a cooling water outlet 10 and a cooling water inlet 9 are formed in the heat exchanger 8, the cooling water outlet 10 comprises a water outlet valve 101 and a check valve 102, the cooling water inlet 9 comprises a filter 901, a water inlet valve 902 and a cooling electromagnetic valve 903, the two groups of cooling water inlets 9 are connected in parallel, the outlet end of the heat exchanger 8 is provided with a pressure gauge 6 and a temperature sensor 7, and a return pipe of the, the temperature sensor 7 is fixedly connected with the equipment oil outlet 3 on the return pipe, the other temperature sensor 7 is fixedly connected with the equipment oil return port 15, and it is worth noting that the pipeline loop of the oil tank is also provided with an oil discharge port 11, the oil discharge port 11 is arranged on the pipeline of the inlet end of the circulating pump 4, and the oil discharge port 11 is also fixedly provided with a check valve 102.

The use method of the cooling system of the oil temperature machine in the embodiment includes the following specific steps:

the method comprises the steps that firstly, when an oil temperature machine needs to heat, two cooling electromagnetic valves are closed to heat at the same time, when the heating temperature exceeds a set temperature, the cooling system is controlled accurately through controlling the cooling system, and a controller controls the cooling system through an internal program to control temperature difference;

the second step, when the oil-out temperature surpassed when setting for 5 degrees centigrade because of overshooting, two way solenoid valves all opened, can rapid cooling, when the difference in temperature dropped to 2 degrees centigrade, closed cooling system temperature reduction all the way, because the cooling reduces, the oil temperature can not be because the undershoot too fast leads to the difference in temperature big, the oil temperature can get off the temperature very fast.

According to the invention, the liquid level display meter is fixedly arranged on the top of the re-oil tank, the oil outlet pipe of the oil tank is fixedly connected with the inlet end of the circulating pump through the valve, the outlet end of the circulating pump is fixedly connected with the inlet end of the heater, the outlet end of the heater is fixedly connected with the heat exchanger, the outlet end of the heat exchanger is provided with the pressure gauge and the temperature sensor, the return pipe of the oil tank is also provided with the temperature sensor, the temperature sensor on the return pipe is fixedly connected with the oil outlet of the equipment, and the other temperature sensor is fixedly connected with the oil return port of the equipment to improve the cooling efficiency.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims (4)

1. The utility model provides an oil temperature machine cooling system, includes oil tank (1), its characterized in that: seted up on oil tank (1) and mended hydraulic fluid port (13) and oil spilling mouth (14), the top of oil tank (1) is fixed mounting still has liquid level display meter (12), the outlet line of oil tank (1) passes through the entrance point of valve (2) fixed connection circulating pump (4), the entrance point of exit end fixed connection heater (5) of circulating pump (5), the exit end fixed connection heat exchanger (8) of heater (5), the exit end of heat exchanger (8) then is provided with manometer (6) and temperature sensor (7), be provided with temperature sensor (7) on the back flow of oil tank (1) equally, be located the back flow be located temperature sensor (7) fixed connection equipment oil-out (3), another temperature sensor (7) fixed connection equipment oil return opening (15).

2. The cooling system of an oil temperature machine according to claim 1, characterized in that: the heat exchanger (8) is provided with a cooling water outlet (10) and a cooling water inlet (9), the cooling water outlet (10) comprises a water outlet valve (101) and a check valve (102), the cooling water inlet (9) comprises a filter (901), a water inlet valve (902) and a cooling electromagnetic valve (903), and the cooling water inlets (9) are divided into two groups and are connected in parallel.

3. The oil temperature machine cooling system according to claim 1 or 2, characterized in that: the pipeline return circuit of oil tank still is provided with oil drain port (11), oil drain port (11) set up on the pipeline of the entrance point of circulating pump (4), same fixed mounting has check valve (102) on oil drain port (11).

4. The use method of the oil temperature machine cooling system according to any one of claims 1-3, characterized by comprising the following specific steps:

the method comprises the steps that firstly, when an oil temperature machine needs to heat, two cooling electromagnetic valves are closed to heat at the same time, when the heating temperature exceeds a set temperature, the cooling system is controlled accurately through controlling the cooling system, and a controller controls the cooling system through an internal program to control temperature difference;

the second step, when the oil-out temperature surpassed when setting for 5 degrees centigrade because of overshooting, two way solenoid valves all opened, can rapid cooling, when the difference in temperature dropped to 2 degrees centigrade, closed cooling system temperature reduction all the way, because the cooling reduces, the oil temperature can not be because the undershoot too fast leads to the difference in temperature big, the oil temperature can get off the temperature very fast.

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