Cooling device for metal mold production

Abstract

The utility model discloses a cooling device for metal mold production, which relates to the field of metal processing and comprises a cooling pond and a water storage tank, a first water pump pumps water in the water storage tank to a cold water tank and cools the water by a refrigerator, and a third water pump pumps water in the water storage tank and heats the water by a heater. After the mixing proportion of cold water and hot water is controlled through the electronic valve, the cold water and the hot water are sprayed out through the water spraying pipe at one end of the water outlet pipe to cool the metal mold, the water temperature on the surface of the metal mold and in the water outlet pipe is measured through the infrared temperature detector and the temperature sensor and fed back to the control terminal, and the control terminal controls the electronic valve to adjust the water temperature. And the temperature of the cooling water is controlled to be 10-20 DEG C lower than the surface temperature of the mold all the time, deformation and cracks in the metal mold caused by too large temperature difference are avoided, and the service life of the metal mold is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal processing, in particular to a cooling device for metal mold production. Background Art

[0002] A metal mold is a mold that is made by processing metal materials into the required shape, size and surface accuracy. It usually uses forces such as pressure and temperature to shape processed metal plates, bars and other materials into the required products. During the processing, the temperature of the metal mold will continue to rise, and the metal mold needs to be cooled. Otherwise, the high temperature will reduce the hardness and strength of the metal mold, accelerate the wear of the mold, and also affect the processing accuracy due to the high temperature expansion of the mold.

[0003] Most of the existing metal mold cooling devices use direct cold water contact for cooling. The mold temperature drops sharply, which will cause a large temperature gradient on the mold surface and inside, which may cause mold deformation and cracks, and reduce the service life of the mold. Therefore, a cooling device for metal mold production is proposed to solve the above problem. Utility Model Content

[0004] In order to solve the above technical problems, a cooling device for metal mold production is provided. This technical solution solves the problem that direct cold water cooling of metal molds is prone to deformation and cracks due to a sharp drop in temperature.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A cooling device for metal mold production, comprising a cooling pool and a water outlet pipe, wherein a cooling platform is provided inside the cooling pool, a plurality of filtering holes are provided on the surface of the cooling platform, a water storage tank is connected to the bottom of the cooling pool through a water pipe, a filter is connected to one side of the water storage tank, an output end of the filter is connected to an input end of a first water pump through a water pipe, an output end of the first water pump is connected to a cold water tank through a water pipe, a third water pump is provided above the cold water tank, the third water pump is installed above a support plate provided on one side of the cooling pool, an input end of the third water pump is connected to an output end of the filter through a water pipe, an output end of the third water pump is connected to a heater, the other end of the heater is connected to a hot water pipe, the hot water pipe is connected to a water inlet on one side of an electronic valve, the other water inlet on the electronic valve is connected to the cold water pipe, a water outlet above the electronic valve is connected to a rotating head, one end of the water outlet pipe extending above the cooling platform is connected to a rotating head, and a water spray pipe is connected below the rotating head.

[0007] Preferably, a refrigerator is provided on one side of the cold water tank, and the refrigerator is fixedly connected to a base arranged at the bottom. Two connecting ports are provided above the refrigerator, and insulation covers are provided on the outsides of the connecting ports. The two connecting ports are respectively connected to the cooling pipes inside the cold water tank. A second water pump is provided inside the cold water tank, and the output end of the second water pump is connected to the cold water pipe. A plurality of water inlets are provided at the bottom of the second water pump.

[0008] Preferably, the cooling pipe is arranged at the bottom of the cold water tank and is bent and stacked to increase the contact area.

[0009] Preferably, the lower part of the rotating head can rotate along the axis driven by the internal motor, and a plurality of water spray outlets are evenly arranged below the water spray pipe.

[0010] Preferably, an electric heating tube is provided inside the heater, and the electric heating tube is electrically connected to an external power source.

[0011] Preferably, a temperature sensor is installed on the pipe wall of the water outlet pipe near the rotating head, a fixing plate is provided below the water outlet pipe, and an infrared temperature detector is installed on one side of the fixing plate.

[0012] Preferably, the second water pump, the third water pump, the heater, the electronic valve, the temperature sensor and the infrared thermometer are all electrically connected to the external control terminal.

[0013] Preferably, the cooling pool and the water tank are fixedly connected on both sides by a plurality of connecting columns for support and fixation.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The temperature of the metal mold surface is measured by an infrared thermometer and fed back to the control terminal. The control terminal controls the second water pump and the third water pump to start pumping water from the water storage tank and the cold water tank to the electronic valve. The temperature sensor detects the water temperature in the pipe and feeds it back to the control terminal. The control terminal controls the electronic valve to adjust the mixing ratio of cold water and hot water to adjust the water temperature. The water temperature of the cooling water is always controlled to be 10-20 degrees Celsius lower than the mold surface temperature to avoid deformation and cracks inside the metal mold caused by excessive temperature difference, thereby increasing the service life of the metal mold.

[0016] 2. The compressor inside the refrigerator pressurizes the refrigerant, converting the refrigerant from gas to liquid and releasing heat. After the liquid refrigerant flows through the cooling pipe, it vaporizes and absorbs heat to cool the water in the cold water tank, making the cooling efficiency higher. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2It is a rear view structural schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of the intercooler water tank of the utility model.

[0020] The numbers in the figure are:

[0021] 1. Cooling pool; 11. Cooling table; 2. Water storage tank; 3. Filter; 4. First water pump; 5. Cold water tank; 51. Second water pump; 52. Cold water pipe; 6. Third water pump; 61. Heater; 62. Hot water pipe; 7. Refrigerator; 71. Insulation sleeve; 72. Cooling pipe; 8. Electronic valve; 81. Water outlet pipe; 82. Rotating head; 83. Water spray pipe; 84. Temperature sensor; 85. Infrared thermometer. DETAILED DESCRIPTION

[0022] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0023] like Figure 1-2As shown, a cooling device for metal mold production includes a cooling pool 1 and a water outlet pipe 81. A cooling platform 11 is provided inside the cooling pool 1. A plurality of filter holes are provided on the surface of the cooling platform 11. The cooling platform 11 is used to place the metal mold. A water storage tank 2 is connected to the cooling pool 1 through a water pipe. Waste water flows downward into the water storage tank 2 through the filter holes. A plurality of connecting columns are fixedly connected to both sides of the cooling pool 1 and the water storage tank 2 for support and fixation. A filter 3 is connected to one side of the water storage tank 2. A filter element is installed inside the filter 3 for filtering impurities in the water storage tank 2 to prevent the impurities from clogging the pipe. The output end of the filter 3 is connected to the first The input end of the water pump 4 is connected, and the output end of the first water pump 4 is connected to the cold water tank 5 through a water pipe. The first water pump 4 draws water in the water storage tank 2 into the cold water tank 5 for recycling after cooling. A third water pump 6 is arranged above the cold water tank 5. The third water pump 6 is installed above the support plate arranged on one side of the cooling pool 1. The input end of the third water pump 6 is connected to the output end of the filter 3 through a water pipe. The output end of the third water pump 6 is connected to a heater 61. An electric heating pipe is arranged inside the heater 61. The electric heating pipe is electrically connected to an external power supply. The electric heating pipe in the heater 61 heats the water in the internal pipe. Another end of the heater 61 The end of the electronic valve 8 is connected with a hot water pipe 62, the hot water pipe 62 is connected with a water inlet on one side of the electronic valve 8, the water inlet on the other side of the electronic valve 8 is connected with the cold water pipe 52, the water outlet above the electronic valve 8 is connected with the rotating head 82, the electronic valve 8 controls the water temperature in the water outlet pipe 81 by controlling the mixing ratio of the cold and hot water in the cold water pipe 52 and the hot water pipe 62, the water outlet pipe 81 extends to one end above the cooling table 11 and is connected with a rotating head 82, the lower part of the rotating head 82 can be driven by the internal motor to rotate along the axis, the lower part of the rotating head 82 is connected with a water spray pipe 83, and a plurality of water spray ports are evenly arranged below the water spray pipe 83. 1 is sprayed out through the water spray port on the water spray pipe 83. The water spray pipe 83 rotates under the drive of the rotating head 82 to spray the cooling water evenly onto the surface of the metal mold for cooling. A temperature sensor 84 is installed on the wall of the water outlet pipe 81 near the rotating head 82. The temperature sensor 84 is used to monitor the water temperature in the water outlet pipe 81. The temperature sensor 84 can be a sensor of model: QAE2121.010, or other sensors that can achieve the same function. A fixed plate is provided below the water outlet pipe 81, and an infrared thermometer 85 is installed on one side of the fixed plate. The infrared thermometer 85 is used to measure the temperature of the metal mold surface.

[0024] like Figure 2As shown, a refrigerator 7 is provided on one side of the cold water tank 5, and the refrigerator 7 is fixedly connected to a base provided at the bottom. Two connecting ports are provided above the refrigerator 7, and insulation sleeves 71 are provided on the outer sides of the connecting ports. The two connecting ports are respectively connected to cooling pipes 72 inside the cold water tank 5. The refrigerator 7 pressurizes the refrigerant through the compressor inside it, so that the refrigerant is converted from gas to liquid and releases heat. After the liquid refrigerant flows through the cooling pipe 72, it vaporizes and absorbs heat to cool the water in the cold water tank 5. The cooling pipe 72 is arranged at the bottom of the cold water tank 5 and is bent and stacked to increase the contact area. A second water pump 51 is provided inside the cold water tank 5, and the output end of the second water pump 51 is connected to the cold water pipe 52. A plurality of water inlets are provided at the bottom of the second water pump 51. The second water pump 51 pumps the cooled water in the cold water tank 5 to the electronic valve 8 to mix with hot water.

[0025] Among them, the second water pump 51, the third water pump 6, the heater 61, the electronic valve 8, the temperature sensor 84 and the infrared thermometer 85 are all electrically connected to the external control terminal. The infrared thermometer 85 measures the temperature of the surface of the metal mold and feeds back to the control terminal. The temperature sensor 84 detects the water temperature in the pipe and feeds back to the control terminal. The control terminal controls the electronic valve 8 to adjust the mixing ratio of cold water and hot water, and controls the water temperature of the cooling water used for cooling.

[0026] The principle of the utility model is as follows: a metal mold to be cooled is placed on a cooling table, an infrared thermometer 85 measures the temperature of the metal mold surface and feeds back to the control terminal, the control terminal controls the second water pump 51 and the third water pump 6 to start pumping water from the water storage tank 2 and the cold water tank 5 to the electronic valve 8, the heater 61 heats the water in the pipe, the temperature sensor 84 detects the water temperature in the pipe and feeds back to the control terminal, the control terminal controls the electronic valve 8 to adjust the mixing ratio of cold water and hot water to adjust the water temperature, and controls the water temperature of the cooling water to always be 10-20 degrees Celsius lower than the mold surface temperature to avoid deformation and cracks of the metal mold caused by excessive temperature difference, the cooling water is sprayed from the water spray port on the water spray pipe 83, the rotating head 82 drives the water spray pipe 83 to rotate, so that the cooling water is sprayed to the mold surface more evenly to avoid uneven cooling, the waste water flows into the water storage tank 2 below through the filter hole, the first water pump 4 pumps the water in the water storage tank 2 into the cold water tank 5, and the refrigerator 7 starts to quickly cool the water in the cold water tank 5.

[0027] The above shows and describes the basic principle, 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 the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements 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 cooling device for metal mold production, characterized in that: The invention comprises a cooling pool (1) and a water outlet pipe (81), wherein a cooling platform (11) is provided inside the cooling pool (1), and a plurality of filtering holes are provided on the surface of the cooling platform (11). A water storage tank (2) is connected to the bottom of the cooling pool (1) through a water pipe, and a filter (3) is connected to one side of the water storage tank (2). The output end of the filter (3) is connected to the input end of a first water pump (4) through a water pipe, and the output end of the first water pump (4) is connected to a cold water tank (5) through a water pipe. A third water pump (6) is provided above the cold water tank (5), and the third water pump (6) is installed above a support plate provided on one side of the cooling pool (1). The input end of the third water pump (6) is connected to the output end of the filter (3) through a water pipe, the output end of the third water pump (6) is connected to a heater (61), the other end of the heater (61) is connected to a hot water pipe (62), the hot water pipe (62) is connected to a water inlet on one side of the electronic valve (8), the other water inlet on the electronic valve (8) is connected to a cold water pipe (52), the water outlet above the electronic valve (8) is connected to a rotating head (82), one end of the water outlet pipe (81) extending to the top of the cooling table (11) is connected to a rotating head (82), and a water spray pipe (83) is connected below the rotating head (82).

2. A cooling device for metal mold production according to claim 1, characterized in that: A refrigerator (7) is provided on one side of the cold water tank (5), and the refrigerator (7) is fixedly connected to a base provided at the bottom. Two connection ports are provided above the refrigerator (7), and insulation sleeves (71) are provided on the outsides of the connection ports. The two connection ports are respectively connected to cooling pipes (72) inside the cold water tank (5). A second water pump (51) is provided inside the cold water tank (5), and the output end of the second water pump (51) is connected to the cold water pipe (52). A plurality of water inlets are provided at the bottom of the second water pump (51).

3. A cooling device for metal mold production according to claim 2, characterized in that: The cooling pipe (72) is arranged at the bottom of the cold water tank (5) and is bent and stacked to increase the contact area.

4. A cooling device for metal mold production according to claim 1, characterized in that: The lower part of the rotating head (82) can rotate along the axis driven by the internal motor, and a plurality of water spraying ports are evenly arranged below the water spraying pipe (83).

5. A cooling device for metal mold production according to claim 1, characterized in that: An electric heating tube is provided inside the heater (61), and the electric heating tube is electrically connected to an external power source.

6. A cooling device for metal mold production according to claim 1, characterized in that: A temperature sensor (84) is installed on the wall of the water outlet pipe (81) near the rotating head (82), a fixing plate is provided below the water outlet pipe (81), and an infrared temperature detector (85) is installed on one side of the fixing plate.

7. A cooling device for metal mold production according to claim 2, characterized in that: The second water pump (51), the third water pump (6), the heater (61), the electronic valve (8), the temperature sensor (84) and the infrared temperature detector (85) are all electrically connected to an external control terminal.

8. A cooling device for metal mold production according to claim 1, characterized in that: The cooling pool (1) and the water storage tank (2) are fixedly connected on both sides by a plurality of connection columns for support and fixation.

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