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CN-224222716-U - Cooling oil device for magnesium alloy die

CN224222716UCN 224222716 UCN224222716 UCN 224222716UCN-224222716-U

Abstract

The utility model discloses a magnesium alloy mold cooling oil device which comprises an oil tank, a cooling device and a mold, wherein the oil tank is communicated with a cooling flow passage of the mold through a cooling pipeline, the cooling device comprises a heat exchanger, a refrigerating assembly and a cooling water system, an oil inlet pipe and an oil outlet pipe are arranged on the heat exchanger, one end of the oil inlet pipe is communicated with the oil tank, the other end of the oil inlet pipe is communicated with the oil outlet pipe through the heat exchanger, an oil return pipe is arranged on the refrigerating assembly, one end of the oil return pipe is communicated with the oil outlet pipe through the refrigerating assembly, the other end of the oil return pipe is communicated with the oil tank, the cooling water system is connected with the heat exchanger and the refrigerating assembly, the cooling water system is used for providing cooling water for the heat exchanger and the refrigerating assembly, and the cooling water pump body assembly, the valve control assembly and the temperature control assembly are further arranged on the heat exchanger, and the pump body assembly is used for pumping cooling oil of the oil tank to the mold and the cooling device. The utility model adopts the oil cooling multistage cooling structure design, avoids the risk of explosion of magnesium alloy when meeting water, realizes the energy-saving constant temperature control of the mold temperature, has good cooling effect and ensures the stability of mold processing.

Inventors

  • ZHOU YIFU
  • ZHOU YI

Assignees

  • 广州北辰机电设备有限公司

Dates

Publication Date
20260512
Application Date
20250314

Claims (9)

  1. 1. A magnesium alloy mold cooling oil device comprises an oil tank, a cooling device and a mold, and is characterized in that, The oil tank is communicated with a cooling runner of the die through a cooling pipeline; the cooling device comprises a heat exchanger, a refrigerating assembly and a cooling water system; An oil inlet pipe and an oil outlet pipe are arranged on the heat exchanger, one end of the oil inlet pipe is communicated with the oil tank, the other end is communicated with the oil outlet pipe through a heat exchanger; An oil return pipe is arranged on the refrigeration assembly, one end of the oil return pipe is communicated with the oil outlet pipe through the refrigeration assembly, and the other end of the oil return pipe is communicated with the oil tank; The cooling water system is connected with the heat exchanger and the refrigerating assembly and is used for providing cooling water for the heat exchanger and the refrigerating assembly; The device also comprises a pump body assembly, a valve control assembly and a temperature control assembly; the pump body assembly is used for pumping cooling oil of the oil tank to the die and the cooling device, the valve control assembly is used for controlling the on-off of the cooling pipeline and the oil outlet pipe, and the temperature control assembly is used for monitoring the temperature of the cooling oil on the cooling pipeline and the oil return pipe and the temperature of cooling water entering the heat exchanger and the refrigerating assembly.
  2. 2. The magnesium alloy mold cooling oil apparatus according to claim 1, wherein the refrigeration unit includes an evaporator, a compressor, a condenser, an air pipe, and a liquid pipe; the evaporator is connected with the condenser through a liquid pipe, a compressor is arranged on the air pipe, one end of the air pipe is connected with the condenser, the other end of the air pipe is connected with the evaporator, the oil outlet pipe is communicated with the oil return pipe through the evaporator, and the condenser is connected with the cooling water system.
  3. 3. The magnesium alloy mold cooling oil device according to claim 1, wherein the temperature control assembly comprises a first temperature sensor and a second temperature sensor, the pump body assembly comprises a first pump body, and the valve control assembly comprises a first valve; the cooling pipeline comprises an oil inlet cooling pipe and an oil outlet cooling pipe, a first pump body, a first valve and a first temperature sensor are sequentially arranged on the oil inlet cooling pipe towards the direction close to the die, and a second temperature sensor is arranged on the oil outlet cooling pipe.
  4. 4. The magnesium alloy mold cooling oil device according to claim 1, wherein the temperature control assembly further comprises a third temperature sensor, the pump body assembly further comprises a second pump body, and the valve control assembly further comprises a second valve and a third valve; The second valve and the second pump body are arranged on the oil inlet pipe, The third temperature sensor and the third valve are arranged on the oil return pipe.
  5. 5. The magnesium alloy mold cooling oil device according to claim 1, wherein the temperature control assembly further comprises a fourth temperature sensor and a fifth temperature sensor, and the heat exchanger is provided with a first cooling water inlet pipe and a first cooling water outlet pipe which are connected with a cooling water system; The fourth temperature sensor is arranged on the first cooling water inlet pipe, and the fifth temperature sensor is arranged on the first cooling water outlet pipe.
  6. 6. The magnesium alloy mold cooling oil device according to claim 1, wherein the temperature control assembly further comprises a sixth temperature sensor and a seventh temperature sensor, and a second cooling water inlet pipe and a second cooling water outlet pipe which are connected with a cooling water system are arranged on a condenser of the cooling device; The sixth temperature sensor is arranged on the second cooling water inlet pipe, and the seventh temperature sensor is arranged on the second cooling water outlet pipe.
  7. 7. The magnesium alloy mold cooling oil device according to claim 6, wherein a water collecting pipe is arranged on the second cooling water outlet pipe, a water collecting tank is arranged at the other end of the water collecting pipe, and the water collecting tank is used for storing cooling water after heat absorption for a production process.
  8. 8. The magnesium alloy mold cooling oil apparatus according to claim 1, wherein the cooling oil is a low viscosity silicone oil.
  9. 9. The cooling oil device for magnesium alloy molds according to claim 1, 3 or 4, wherein the valve of the valve control assembly is an electromagnetic valve.

Description

Cooling oil device for magnesium alloy die Technical Field The utility model relates to the technical field of casting cooling, in particular to a cooling oil device for a magnesium alloy die. Background The die casting of the magnesium alloy die is a manufacturing process for injecting molten magnesium alloy into a die cavity of the die under high pressure, and as the magnesium alloy can meet the performance requirement of the same steel, the weight of the same steel can be reduced by one third, and the die casting method is widely applied to the fields of automobiles, aerospace, electronics and the like; In the production process, because magnesium metal is more active and can explode when contacting with water, the waterway cooling system which is conventionally used in an aluminum alloy die, for example, cannot be used in the magnesium alloy die, and the existing cooling control effect is poor, the energy consumption is high, the die temperature change is large, the cost is high, the efficiency is low, and the processing quality cannot be ensured. Therefore, by developing a magnesium alloy mold cooling oil device and adopting an oil cooling multi-stage cooling structure design, the risk of explosion of magnesium alloy when meeting water is avoided, the energy-saving constant-temperature control of mold temperature is realized, the cooling effect is good, and the mold processing stability is ensured. Disclosure of utility model In order to solve the problems, the technical scheme adopted by the utility model is as follows: A magnesium alloy mold cooling oil device comprises an oil tank, a cooling device and a mold, and is characterized in that, The oil tank is communicated with a cooling runner of the die through a cooling pipeline; the cooling device comprises a heat exchanger, a refrigerating assembly and a cooling water system; An oil inlet pipe and an oil outlet pipe are arranged on the heat exchanger, one end of the oil inlet pipe is communicated with the oil tank, the other end is communicated with the oil outlet pipe through a heat exchanger; An oil return pipe is arranged on the refrigeration assembly, one end of the oil return pipe is communicated with the oil outlet pipe through the refrigeration assembly, and the other end of the oil return pipe is communicated with the oil tank; The cooling water system is connected with the heat exchanger and the refrigerating assembly and is used for providing cooling water for the heat exchanger and the refrigerating assembly; The device also comprises a pump body assembly, a valve control assembly and a temperature control assembly; the pump body assembly is used for pumping cooling oil of the oil tank to the die and the cooling device, the valve control assembly is used for controlling the on-off of the cooling pipeline and the oil outlet pipe, and the temperature control assembly is used for monitoring the temperature of the cooling oil on the cooling pipeline and the oil return pipe and the temperature of cooling water entering the heat exchanger and the refrigerating assembly. Preferably, the refrigeration assembly comprises an evaporator, a compressor, a condenser, an air pipe and a liquid pipe; the evaporator is connected with the condenser through a liquid pipe, a compressor is arranged on the air pipe, one end of the air pipe is connected with the condenser, the other end of the air pipe is connected with the evaporator, the oil outlet pipe is communicated with the oil return pipe through the evaporator, and the condenser is connected with the cooling water system. Preferably, the temperature control assembly comprises a first temperature sensor and a second temperature sensor, the pump body assembly comprises a first pump body, and the valve control assembly comprises a first valve; the cooling pipeline comprises an oil inlet cooling pipe and an oil outlet cooling pipe, a first pump body, a first valve and a first temperature sensor are sequentially arranged on the oil inlet cooling pipe towards the direction close to the die, and a second temperature sensor is arranged on the oil outlet cooling pipe. Preferably, the temperature control assembly further comprises a third temperature sensor, the pump body assembly further comprises a second pump body, and the valve control assembly further comprises a second valve and a third valve; The second valve and the second pump body are arranged on the oil inlet pipe, The third temperature sensor and the third valve are arranged on the oil return pipe. Preferably, the temperature control assembly further comprises a fourth temperature sensor and a fifth temperature sensor, and the heat exchanger is provided with a first cooling water inlet pipe and a first cooling water outlet pipe which are connected with the cooling water system; The fourth temperature sensor is arranged on the first cooling water inlet pipe, and the fifth temperature sensor is arranged on the first cooling water outlet pipe. Preferably,