Aluminum alloy die-casting cooling equipment

Abstract

The utility model relates to the field of aluminum alloy die casting, in particular to aluminum alloy die casting cooling equipment. Comprising an upper movable mold, a lower fixed mold and an electric heater, and the electric heater is embedded in the lower fixed mold and comprises a first heat exchange water pipe, a second heat exchange water pipe and a heat exchange water tank; the first heat exchange water pipe is embedded in the upper movable die, the second heat exchange water pipe is embedded in the lower fixed die, the first water inlet and the second water outlet are formed in one side, the first water outlet and the second water inlet are formed in one side, the second water inlet is connected with a valve, and one pipe opening of the valve is communicated with the first water outlet through a hose. The second water outlet is connected with a water suction pump, the water suction pump is communicated with the heat exchange water tank, and a hose of the first water inlet extends into the bottom of the water tank. Cold water always exists in the upper movable die, the upper movable die and the lower fixed die can be rapidly filled with the cold water for rapid cooling during die casting, and the die casting progress is accelerated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of aluminum alloy die casting, especially to an aluminum alloy die casting cooling equipment. BACKGROUND

[0002] Die casting equipment will be used in various industries such as automobiles, through the import of liquid metal, the upper and lower die casting die casting, water cooling forming is carried out; before die casting, the cooling water of the upper and lower die casting die needs to be emptied, and the die casting die is heated, which leads to slow cooling speed, so we design an aluminum alloy die casting cooling equipment which can accelerate the cooling. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of aluminum alloy die casting cooling equipment, including upper movable mould, lower fixed mould and electric heater, the electric heater is embedded in lower fixed mould, including first heat exchange water pipe, second heat exchange water pipe and heat exchange water tank;The first heat exchange water pipe is embedded in upper movable mould, the second heat exchange water pipe is embedded in lower fixed mould, the upper movable mould both sides are respectively provided with the first water inlet and the first water outlet of first heat exchange water pipe, the lower fixed mould both sides are respectively provided with the second water outlet and the second water inlet of second heat exchange water pipe, the first water inlet and the second water outlet are set on one side, first water outlet and second water inlet are set on one side, the second water inlet is connected with valve, and one pipe opening of the valve is communicated with first water outlet by hose;The second water outlet is connected with water pump, and the water pump is communicated with heat exchange water tank, the first water inlet is connected with hose, and the hose of the first water inlet is inserted into the bottom of water tank.

[0004] The heat exchange water tank side is provided with water tank water inlet and water tank water outlet. When die casting needs high strength, heat exchange water tank temperature rises, then start water tank water inlet and water tank water outlet to cool down.

[0005] The first heat exchange water pipe and the second heat exchange water pipe are both set back and forth in a zigzag manner.

[0006] The valve includes valve core and valve sleeve, the valve sleeve is cylindrical cavity structure, its plane is vertically arranged with horizontal plane, the top and bottom arc surface and one side arc surface of the valve sleeve are all provided with through-penetrations, the top through-penetration is pressure relief port, the bottom through-penetration is first flow-through port, and the through-penetration of one side is second flow-through port, the second flow-through port is communicated with second water inlet, and the hose of first flow-through and first water outlet is communicated;The valve sleeve is provided with cylindrical valve core matched therewith, the valve core is provided with L-shaped communication pipe, and the communication pipe is always communicated with two adjacent through-penetrations;The valve core rotates back and forth by power device.

[0007] The power device is servo motor.

[0008] The utility model discloses the beneficial effect lies in:

[0009] The device is provided with cold water in the upper movable mold and the lower fixed mold all the time, and the cold water can fill the upper movable mold and the lower fixed mold and rapidly cool down when die casting, thereby accelerating the die casting progress. BRIEF DESCRIPTION OF DRAWINGS

[0010] The utility model will be further explained in connection with the drawings and implementation examples.

[0011] Figure 1 It is the schematic diagram of the utility model;

[0012] Figure 2 It is the schematic diagram of the aluminum alloy die casting mold;

[0013] Figure 3 It is the schematic diagram of the valve of the utility model;

[0014] Figure 4 It is the internal schematic diagram of the valve of the utility model. DETAILED DESCRIPTION

[0015] The utility model will be further explained in connection with the drawings and implementation examples:

[0016] Reference Figures 1-4 .

[0017] The utility model discloses a kind of aluminum alloy die casting cooling equipment, including upper movable mold 1, lower fixed mold 2 and electric heater, the electric heater is embedded in lower fixed mold, including first heat exchange water pipe 3, second heat exchange water pipe 4 and heat exchange water tank 5;The first heat exchange water pipe 3 is embedded in upper movable mold 1, the second heat exchange water pipe 4 is embedded in lower fixed mold 2, the upper movable mold both sides are provided with the first water inlet 6 and the first water outlet 7 of first heat exchange water pipe, the lower fixed mold both sides are provided with the second water outlet 8 and the second water inlet 9 of second heat exchange water pipe, the first water inlet 6 and second water outlet 8 are set on one side, first water outlet 7 and second water inlet 9 are set on one side, the second water inlet is connected with valve 10, and one pipe mouth of the valve is communicated with first water outlet by hose 11;Second water outlet is connected with water pump 12, and the water pump is communicated with heat exchange water tank 5, the first water inlet is connected with hose 11, and the hose of first water inlet extends to the bottom of water tank.The length of hose is reserved upper movable mold movable space.

[0018] The heat exchange water tank one side is provided with water tank water inlet 14 and water tank water outlet 13.When high strength is needed when die casting, heat exchange water tank temperature rises, then start water tank water inlet and water tank water outlet and carry out cooling.

[0019] Both the first and second hot water exchange pipes are designed to meander back and forth.

[0020] The valve includes a valve core 101 and a valve sleeve 102. The valve sleeve has a cylindrical cavity structure with its plane perpendicular to the horizontal plane. The top, bottom, and one side arc surfaces of the valve sleeve are provided with through-holes. The top through-hole is a pressure relief port 1021, the bottom through-hole is a first flow port 1022, and the one side through-hole is a second flow port 1023. The second flow port is connected to the second inlet 9, and the first flow port is connected to the hose of the first outlet. The valve sleeve contains a matching cylindrical valve core 101, and the valve core contains an L-shaped connecting pipe 1011, which is always connected to the two adjacent through-holes. The valve core is driven to rotate back and forth by a power device.

[0021] The power unit is a servo motor 103.

[0022] Specific operation

[0023] When the connecting pipe 1011 of the valve core 101 is in the state of connecting the pressure relief port 1021 and the second flow port 1023, water from the second hot water exchange pipe 4 passes through and is drained by the water pump 12. The lower fixed mold 2 is heated by the electric heater, and liquid metal is injected. The upper movable mold 1 performs motion die casting. At this time, the valve core rotates, which connects the first flow port 1022 and the second flow port 1023. At this time, the first hot water exchange pipe 3 and the second hot water exchange pipe 4 are connected to form a closed water flow. The water from the first hot water exchange pipe 3 flows into the second hot water exchange pipe quickly to dissipate heat. After reaching the predetermined temperature, the valve core rotates to the starting position, the water pump 12 drains the water from the second hot water exchange pipe 4, the upper movable mold 1 returns to its original position, the die casting is removed, and the cycle is repeated.

[0024] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An aluminum alloy die-casting cooling apparatus comprising an upper movable die (1), a lower fixed die (2) and an electric heater embedded in the lower fixed die, characterized in that: It includes first heat exchange water pipe (3), second heat exchange water pipe (4) and heat exchange water tank (5), first heat exchange water pipe (3) is inlaid in upper movable mould (1), second heat exchange water pipe (4) is inlaid in lower fixed mould (2), first heat exchange water pipe's first water inlet (6) and first water outlet (7) are respectively arranged on the both sides of upper movable mould, second heat exchange water pipe's second water outlet (8) and second water inlet (9) are respectively arranged on the both sides of lower fixed mould, first water inlet (6) and second water outlet (8) are arranged on one side, first water outlet (7) and second water inlet (9) are arranged on one side, second water inlet is connected with valve (10), one pipe opening of the valve is communicated with first water outlet through hose (11), second water outlet is connected with water pump (12), water pump is communicated with heat exchange water tank (5), first water inlet is connected with hose (11), the hose of first water inlet is inserted into the bottom of water tank.

2. An aluminum alloy die cast cooling device according to claim 1, characterized in that: One side of heat exchange water tank is provided with water tank water inlet (14) and water tank water outlet (13).

3. An aluminum alloy die cast cooling device as defined in claim 1, characterized by: First heat exchange water pipe and second heat exchange water pipe are both arranged in a back-and-forth meandering manner.

4. An aluminum alloy die cast cooling device as defined in claim 1, characterized by: The valve includes valve core (101) and valve sleeve (102), the valve sleeve is cylindrical cavity structure, the plane thereof is vertically arranged with horizontal plane, the top and bottom arc surfaces and one side arc surface of the valve sleeve are all provided with through holes, the top through hole is pressure relief port (1021), the bottom through hole is first flow-through port (1022), the through hole on one side is second flow-through port (1023), the second flow-through port is communicated with second water inlet (9), and the hose of first flow-through port and first water outlet is communicated;The valve sleeve is provided with cylindrical valve core (101) matched therewith, the valve core is provided with L-shaped communication pipe (1011) therein, the communication pipe is always communicated with the two adjacent through holes;The valve core is driven to rotate back and forth by power device.

5. An aluminium alloy die cast cooling device according to claim 4, characterised in that: The power device is servo motor (103).

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