CN218532749U

CN218532749U - Cooling device of die casting machine

Info

Publication number: CN218532749U
Application number: CN202221933099.7U
Authority: CN
Inventors: 郑李军
Original assignee: Hangzhou Modern Machinery Co ltd
Current assignee: Hangzhou Modern Machinery Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2023-02-28
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to a die casting machine cooling device, it includes cooling body, heat dissipation mechanism and power unit, and cooling body is including the cover half cooling part that is used for cooling die casting machine cover half and the movable mould cooling part that is used for cooling die casting machine movable mould to and the heat dissipation pipeline, all be equipped with the heat dissipation runner in cover half cooling part and the movable mould cooling part, the heat dissipation runner communicates with the heat dissipation pipeline and constitutes the heat dissipation return circuit. This application has the unnecessary heat of module with the die casting machine and takes away, cools down for module and inside foundry goods for the foundry goods can quick fashioned effect. The heat dissipation mechanism can accelerate the dissipation of medium heat in the heat dissipation pipeline and can take away part of heat on the surface of the module. When the high-temperature molten metal just injected, the cooling effect of the cooling mechanism is enhanced, so that the cold and hot alternating stress caused by large temperature difference can be reduced, the density of the die casting is improved, the service life of the die is prolonged, and the production efficiency is improved. When the casting is formed, the cooling effect of the cooling mechanism is weakened, and energy consumption can be saved.

Description

Cooling device of die casting machine

Technical Field

The application relates to the field of cooling devices, in particular to a cooling device of a die casting machine.

Background

Die casting is a precision casting method that forces molten metal into a metal mold having a complicated shape by high pressure. The operator first prepares the mold and injects molten metal into the mold at high pressure, which is maintained until the casting solidifies after the molten metal has been filled. The push rod then pushes out all the castings. In normal die casting production, because high-temperature aluminum liquid exchanges heat with the die, the temperature of the die is continuously increased, and the surface of a casting is damaged or even cracked.

Operating personnel waters for die casting die in the current workshop for the temperature of mould descends, but the cooling water that touches the mould meets high temperature and can produce a large amount of vapor, causes the environment moist and visibility to descend, and the manual watering can not last gives the die casting die cooling, and the cooling effect of mould is relatively poor.

Disclosure of Invention

In order to improve the cooling effect of die casting machine cooling module, this application provides a die casting machine cooling device.

The application provides a pair of die casting machine cooling device adopts following technical scheme:

a cooling device of a die casting machine comprises a cooling mechanism, a heat dissipation mechanism and a power mechanism, wherein the cooling mechanism comprises a fixed die cooling piece for cooling a fixed die of the die casting machine, a movable die cooling piece for cooling a movable die of the die casting machine and a heat dissipation pipeline; the power mechanism is used for driving the medium in the heat dissipation loop to circularly move; the heat dissipation mechanism is used for reducing the temperature of the surface of the heat dissipation pipeline.

Through adopting above-mentioned technical scheme, cooling body can take away the unnecessary heat of the module of die casting machine, cools down for module and inside foundry goods for the foundry goods can rapid prototyping. The heat dissipation mechanism can accelerate the dissipation of medium heat in the heat dissipation pipeline and can take away part of heat on the surface of the module. The power mechanism may control the efficiency of the cooling module of the cooling mechanism. When high-temperature molten metal just injected, the cooling effect of the cooling mechanism is enhanced, so that cold and hot alternating stress caused by large temperature difference can be reduced, the density of die castings is improved, the service life of a die is prolonged, and the production efficiency is improved. When the casting is formed, the cooling effect of the cooling mechanism is weakened, and energy consumption can be saved.

Optionally, the base is installed to cover half cooling piece bottom, and the inside water tank that is equipped with of base, heat dissipation pipeline include out the liquid section and feed liquor section, and the one end of going out the liquid section and the one end of feed liquor section all communicate into in the water tank.

Through adopting above-mentioned technical scheme, the coolant can be stored to the inside water tank of base, and the coolant in the water tank can supply power unit to take out to get into cover half cooling member and movable mould cooling member, cool down the cover half and the movable mould of die casting machine.

Optionally, a part of the heat dissipation pipeline is subjected to heat dissipation and temperature reduction by the heat dissipation mechanism, and a part of the heat dissipation pipeline is arranged in a winding manner.

Through adopting above-mentioned technical scheme, the heat dissipation pipeline is sinuous and sets up the route that can prolong the coolant at the heat dissipation pipeline, improves the radiating effect. And the radiating mechanism can cover more radiating pipes, and the radiating mechanism can take away more heat.

Optionally, the heat dissipation mechanism comprises a frame body, a heat dissipation plate and a plurality of fans, the heat dissipation plate is installed on the frame body, the frame body is installed on the base, and the air suction openings of the fans face the heat dissipation pipe.

Through adopting above-mentioned technical scheme, the fan utilizes the cold air to reduce the interior coolant temperature that comes from cooling module of heat dissipation pipeline, and the heating panel has improved the air flow rate and the flow of flowing through heat dissipation mechanism to the heat-sinking capability of reinforcing fan cools off cooling module.

Optionally, the air suction path of the fan also passes through the fixed die cooling part and the movable die cooling part.

Through adopting above-mentioned technical scheme, the heat in the radiator pipe not only can be taken away to the fan, can reduce the temperature of cover half cooling member and movable mould cooling member moreover to a certain extent.

Optionally, the power mechanism includes a pump body, and the pump body is connected in series in a loop of the water tank and the cooling mechanism.

By adopting the technical scheme, the pump body can pressurize the coolant in the loop so as to achieve the purpose of conveying the coolant in the water tank to the cooling mechanism.

Optionally, the power mechanism further comprises a throttle valve and a check valve, and the throttle valve is connected in parallel with the check valve and then connected in series with the pump body.

By adopting the technical scheme, the one-way throttle valve has the functions of speed regulation and delay loop, so that the coolant in the loop flows towards one direction, the throttling requirements under different working conditions can be met, and the refrigeration effect of the cooling mechanism is improved.

Optionally, the water inlet of the fixed mold cooling part and the water inlet of the movable mold cooling part are both connected with reducer pipes, and the reducer pipes are communicated with a main water supply loop connected to the pump body.

Through adopting above-mentioned technical scheme, the reducing pipe increases the import pipe diameter to reduce the resistance of pump inlet pipeline, the emergence of restriction pump cavitation phenomenon, and can reduce the coolant to the water inlet of cover half cooling member and the pressure of the water inlet of movable mould cooling member, improve cooling unit's life.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cooling mechanism can take away the unnecessary heat of the module of die casting machine, cools down for module and inside foundry goods for the foundry goods can rapid prototyping. The heat dissipation mechanism can accelerate the dissipation of medium heat in the heat dissipation pipeline and can take away part of heat on the surface of the module. The power mechanism may control the efficiency of the cooling module of the cooling mechanism. When the high-temperature molten metal just injected, the cooling effect of the cooling mechanism is enhanced, so that the cold and hot alternating stress caused by large temperature difference can be reduced, the density of the die casting is improved, the service life of the die is prolonged, and the production efficiency is improved. When the casting is formed, the cooling effect of the cooling mechanism is weakened, so that the energy consumption can be saved;

2. the water tank in the base can store coolant, and the coolant in the water tank can be pumped out by the power mechanism and enters the fixed die cooling piece and the movable die cooling piece to cool the fixed die and the movable die of the die casting machine;

3. the heat dissipation pipeline is arranged in a winding mode, so that the path of the coolant in the heat dissipation pipeline can be prolonged, and the heat dissipation effect is improved. And the radiating mechanism can cover more radiating pipes, and the radiating mechanism can take away more heat.

Drawings

Fig. 1 is a schematic structural diagram of a cooling device of a die casting machine according to the present application.

Fig. 2 is a schematic vertical sectional view of a cooling apparatus of a die casting machine according to the present application.

FIG. 3 is a schematic cross-sectional view of a stationary mold cooling part of the present application.

FIG. 4 is a schematic horizontal cross-sectional view of a water tank of the present application.

Description of the reference numerals: 1. a base; 11. a water tank; 111. a baffle plate; 2. a cooling mechanism; 21. a stationary mold cooling member; 22. a movable mold cooling part; 23. a heat dissipation pipe; 24. a reducer pipe; 25. a heat dissipation flow channel; 3. a heat dissipation mechanism; 31. a frame body; 32. a heat dissipation plate; 33. a fan; 4. a power mechanism; 41. a throttle valve; 42. a one-way valve; 43. and a pump body.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses die casting machine cooling device.

Referring to fig. 1, the die casting machine cooling device includes a cooling mechanism 2, a heat dissipation mechanism 3, a power mechanism 4, and a base 1 for cooling die casting machine modules. The cooling mechanism 2 is arranged on a die of a die casting machine, the heat of the die is taken away through the circulating cooling of a coolant, an air suction opening of the heat dissipation mechanism 3 faces the cooling mechanism 2 and is arranged on the base 1, and a power mechanism 4 used for adjusting the flow of the coolant in the loop is communicated with the cooling mechanism 2 and forms a heat dissipation loop.

Referring to fig. 1 or fig. 2, the cooling mechanism 2 includes a fixed mold cooling part 21, a movable mold cooling part 22 and a heat dissipation pipeline 23, the fixed mold cooling part 21 is sleeved on the outer surface of the fixed mold of the die casting machine, and the movable mold cooling part 22 is sleeved on the outer surface of the movable mold of the die casting machine, so as to take away heat from the fixed mold and the movable mold. The fixed die cooling part 21 and the movable die cooling part 22 are both provided with a water inlet and a water outlet, the water inlets of the fixed die cooling part 21 and the movable die cooling part 22 are both connected with a reducer pipe 24, and the reducer pipe 24 is connected with a main water supply loop of the power mechanism 4. The fixed die cooling part 21 and the movable die cooling part 22 are both internally provided with a heat dissipation runner 25, and the heat dissipation runner 25 is communicated with the water inlet and the water outlet. The heat dissipation channel 25 of the fixed mold cooling part 21 and the heat dissipation channel 25 of the movable mold cooling part 22 are connected in parallel and then connected in series in the main water supply loop.

Referring to fig. 1 or 3, the power mechanism 4 includes a throttle valve 41, a check valve 42 and a pump body 43, and the water outlet of the water tank 11 is communicated with the pump body 43. The throttle valve 41 and the check valve 42 are connected in parallel and then combined into a check throttle valve 41, and the check throttle valve 41 controls the water flow to flow from the water outlet of the cooling module to the heat dissipation pipeline 23. When the molten metal is poured into the die set, the one-way throttle valve 41 increases the flow rate of the water flow. The water inlet of the one-way throttle valve 41 is connected in series with the water outlet of the pump body 43, and the water outlet of the one-way throttle valve 41 is connected in series with the cooling assembly.

The heat dissipation mechanism 3 includes a frame body 31, a heat dissipation plate 32 and four fans 33, the frame body 31 is fixed to the base 1, the heat dissipation plate 32 is fixed to the frame body 31, the four fans 33 are distributed in an array and fixed to one side of the heat dissipation plate 32 facing the module, an air blowing port of the fan 33 faces the heat dissipation pipeline 23, the heat dissipation pipeline 23 is installed between the fan 33 and the cooling assembly, and the fan 33 is convenient to take away heat of the cooling assembly and the heat dissipation pipeline 23 together.

Referring to fig. 4, a heat dissipation pipe 23 is installed at the base 1, and in the present embodiment, the heat dissipation pipe 23 has a spiral structure. A water tank 11 is arranged in the base 1, one end of a heat dissipation pipeline 23 is communicated with the water tank 11, and the other end of the heat dissipation pipeline is connected in series with a heat dissipation flow channel 25 of the fixed die cooling part 21 and a heat dissipation flow channel 25 of the movable die cooling part 22 in parallel. A plurality of baffles 111 are arranged inside the water tank 11, the baffles 111 are alternately fixed on the corresponding frame of the water tank 11, the coolant flow path is prolonged, and the coolant is further cooled.

The implementation principle of the embodiment is as follows:

when pouring into the molten metal in the module when movable mould and cover half laminating, the temperature of module this moment is higher, and choke valve 41 is opened and the pump body 43 begins the operation, and in the water tank 11 was by pump body 43 suction cooling module, the heat conduction in the module was to the cooling water in the cooling module, took away the unnecessary heat of module. When cooling water passes through the heat dissipation pipe 23, the fan 33 rotates to take away part of the heat in the pipe, and the part of the heat is dissipated into the air through the heat dissipation plate 32, and meanwhile, the fan 33 can also cool the die-casting module. Subsequently, the cooling water flows into the water tank 11, and the cooling water moves and collides in the water tank 11 to further dissipate heat. The cooling water circulates from the water outlet of the water tank 11 to the pump body 43 to continuously cool the module.

When the dies in the movable die and the fixed die are molded, the pump body 43 is closed, the throttle valve 41 is screwed, the flow speed and the flow of cooling water are reduced, the cooling component weakens the heat dissipation function of the die set, the fan 33 is closed, the heat dissipation of the cooling water is reduced, and the die set is in a stable temperature state so as to be convenient for demolding. The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a die casting machine cooling device which characterized in that: the cooling mechanism (2) comprises a fixed die cooling part (21) for cooling a fixed die of a die casting machine, a movable die cooling part (22) for cooling a movable die of the die casting machine and a heat dissipation pipeline (23), wherein the fixed die cooling part (21) and the movable die cooling part (22) are both internally provided with heat dissipation runners (25), and the heat dissipation runners (25) are communicated with the heat dissipation pipeline (23) to form a heat dissipation loop; the power mechanism (4) is used for driving the medium in the heat dissipation loop to circularly move; the heat dissipation mechanism (3) is used for reducing the temperature of the surface of the heat dissipation pipeline (23).

2. The die casting machine cooling device according to claim 1, characterized in that: base (1) are installed to cover half cooling piece (21) bottom, base (1) inside is equipped with water tank (11), heat dissipation pipeline (23) are including going out liquid section and feed liquor section, and the one end of going out the liquid section all communicates in case (11) with the one end of feed liquor section.

3. The die casting machine cooling device according to claim 2, characterized in that: a part of the heat dissipation pipeline (23) is arranged in a winding mode, and the heat dissipation mechanism (3) conducts heat dissipation and temperature reduction treatment on a part of the heat dissipation pipeline (23).

4. The die casting machine cooling device according to claim 1, characterized in that: heat dissipation mechanism (3) are including support body (31), heating panel (32) and a plurality of fan (33), heating panel (32) are installed in support body (31), support body (31) are installed in base (1), the inlet scoop of fan (33) is towards the cooling tube.

5. The die casting machine cooling device of claim 4, wherein: the suction path of the fan (33) also passes through the fixed mold cooling part (21) and the movable mold cooling part (22).

6. The die casting machine cooling device according to claim 1, characterized in that: the power mechanism (4) comprises a pump body (43), and the pump body (43) is connected in series in a loop of the water tank (11) and the cooling mechanism (2).

7. The die casting machine cooling device according to claim 6, characterized in that: the power mechanism (4) further comprises a throttle valve (41) and a one-way valve (42), and the throttle valve (41) is connected with the one-way valve (42) in parallel and then connected with the pump body (43) in series.

8. The die casting machine cooling device according to claim 6, characterized in that: the water inlet of the fixed die cooling part (21) and the water inlet of the movable die cooling part (22) are connected with reducer pipes (24), and the reducer pipes (24) are connected with a water supply main loop of the pump body (43) in a communicating mode.