CN207288853U - A New Die-Casting Machine Switch Die Hydraulic System - Google Patents

Abstract

The utility model discloses a novel die casting machine switch mould hydraulic system, including switch mould hydro-cylinder, energy storage ware, oil pump, oil tank, main oil circuit, supplementary oil circuit and switch, wherein switch mould hydro-cylinder, energy storage ware, oil pump and oil tank all are connected respectively with main oil circuit, supplementary oil circuit, and the oil pump is connected with the oil tank, and switch mould hydro-cylinder, energy storage ware, oil pump and oil tank all install the switch with the junction of supplementary oil circuit. The utility model discloses in when the mould switching hydro-cylinder need oil feed or oil return fast, the accessible is opened corresponding switch and is made supplementary oil circuit and main oil circuit carry out the fuel feeding together to this quickens the rate of motion of mould switching hydro-cylinder, improves its work efficiency. Simultaneously, the energy storage ware can assist the oil pump energy supply when the fast switch mould, guarantees going on of its work to can still be suitable for under the special circumstances such as have a power failure, the practicality is strong, and in switch mould hydro-cylinder work, the energy storage ware can absorb the utility model discloses the vibration and the noise that arouse improve the utility model discloses stability and life.

Description

A New Die-Casting Machine Switch Die Hydraulic System

technical field

The utility model relates to the field of die-casting machine design, in particular to a novel die-casting machine switch mold hydraulic system.

Background technique

A die-casting machine is an industrial casting machine that hydraulically injects molten metal into a mold for cooling and forming under pressure, and obtains solid metal castings after the mold is opened. Die switch is a key step in the work of die-casting machine. At present, the switch die of die-casting machine is usually completed by hydraulic system, because the hydraulic system can withstand high pressure, stable speed and strong work reliability.

However, the common new die-casting machine switch mold hydraulic system has a limited working speed of the switch mold, it is usually difficult to realize fast switch mold, the work efficiency is low, and it cannot work in working environments such as power outages, and the practicability is poor. In addition, its work The vibration and noise in the process are relatively large, which is easy to cause damage to the system, poor stability and short service life.

Utility model content

The purpose of this utility model is to provide a new die-casting machine switch mold hydraulic system, which can solve one or more of the above problems.

According to one aspect of the present invention, a new die-casting machine switching mold hydraulic system is provided, including a switching mold oil cylinder, an accumulator, an oil pump, an oil tank, a main oil circuit, an auxiliary oil circuit and a switch, wherein the switch mold oil cylinder, the energy storage The device, oil pump and fuel tank are all connected to the main oil circuit and auxiliary oil circuit respectively, the oil pump is connected to the fuel tank, and switches are installed at the joints of the switch mold oil cylinder, accumulator, oil pump and fuel tank and the auxiliary oil circuit.

The beneficial effects of the utility model are: the oil pump in the utility model provides power, and transmits the power to the switch mold oil cylinder through the main oil circuit, so that the switch mold oil cylinder can realize the normal switch mold, and by setting the auxiliary oil circuit and the switch, When the switch mold cylinder needs to quickly feed oil or return oil, that is, to realize fast switch mold, you can open the corresponding switch to make the auxiliary oil circuit and the main oil circuit supply oil together, so as to speed up the movement speed of the switch mold cylinder. Improve its work efficiency. At the same time, the utility model is equipped with an accumulator, which can assist the oil pump to supply energy when the mold is switched on and off quickly to ensure its work, and can replace the oil pump for power supply when the oil pump fails to work normally in the event of a power failure. Pressure and energy supply, so that the utility model can still be applied in many special cases, and has strong practicability. Moreover, during the working process of the switch mold oil cylinder, the energy accumulator can well absorb the vibration and noise caused by the utility model when it is working. , improve the stability and service life of the utility model.

In some embodiments, the main oil circuit includes a switching mode reversing valve and a main pressure regulating valve, wherein the switching mode reversing valve is connected with the main pressure regulating valve, the accumulator, the switching mode oil cylinder and the oil tank respectively. The setting of the main pressure regulating valve can facilitate the adjustment of the main pressure of the system, and the setting of the switch mold reversing valve can easily change the oil inlet and outlet direction of the switch mold cylinder, so that the switch mold cylinder can realize the mold opening and closing movement.

In some embodiments, the utility model also includes a neutron oil cylinder, wherein the main oil circuit includes a neutron reversing valve, and the neutron reversing valve is respectively connected with the main pressure adjustment valve, the accumulator, the neutron oil cylinder, and the fuel tank. The sub-cylinder is connected with the auxiliary oil circuit, and a switch is installed at the junction of the neutron oil cylinder and the auxiliary oil circuit. The setting of the neutron oil cylinder can facilitate the realization of pulling out the mortise in complex molds, and the neutron reversing valve can facilitate the conversion of the work of pulling the mortise and the work of the neutron oil cylinder. At the same time, through the connection with the auxiliary oil circuit, it can It is convenient to realize the rapid work of the neutron oil cylinder.

In some embodiments, the main oil circuit includes a first speed regulating valve, wherein the first speed regulating valve is installed between the oil pump and the neutron oil cylinder. The setting of the first speed regulating valve can facilitate the adjustment of the working speed of the neutron oil cylinder.

In some embodiments, the utility model also includes an extruding oil cylinder, wherein the main oil circuit includes an extruding reversing valve, and the extruding reversing valve is connected with the main pressure adjustment valve, accumulator, extruding oil cylinder, and fuel tank respectively, and the extruding oil cylinder is connected with the auxiliary oil A switch is installed at the connection between the extruding cylinder and the auxiliary oil circuit. The setting of the extrusion cylinder can facilitate the extrusion of the molded product in the mold, and the extrusion reversing valve can facilitate the conversion of the extrusion and retraction of the extrusion parts, and facilitate the work of the extrusion cylinder. At the same time, it can be connected with the auxiliary oil circuit. It is convenient to realize the rapid work of the extruding oil cylinder.

In some embodiments, the main oil circuit includes a second speed regulating valve, wherein the second speed regulating valve is installed between the oil pump and the extruding oil cylinder. The setting of the second speed regulating valve can facilitate the adjustment of the working speed of the extruding oil cylinder.

In some embodiments, the utility model also includes a mold adjustment motor, wherein the main oil circuit includes a mold thickness adjustment reversing valve, and the mold thickness adjustment reversing valve is connected with the main pressure adjustment valve, accumulator, mold adjustment motor, and oil tank respectively , The mold adjusting motor is connected with the auxiliary oil circuit, and a switch is installed at the connection between the mold adjusting motor and the auxiliary oil circuit. The setting of the mold adjustment motor can facilitate the adjustment of the thickness of the large mold, and the mold thickness adjustment reversing valve can easily change the direction of the mold adjustment motor to realize the choice of reducing or increasing the mold thickness. At the same time, through the connection with the auxiliary oil circuit, It can facilitate the rapid operation of the mold adjusting motor.

In some embodiments, the main oil circuit includes a slow mold closing solenoid valve, wherein the slow mold closing solenoid valve is connected to the switch mold oil cylinder, the main pressure adjustment valve, and the auxiliary oil circuit respectively, and the slow mold closing solenoid valve is connected to the auxiliary oil circuit A switch is installed at the connection. The slow mold closing solenoid valve can conveniently switch the mold closing to the slow mode to prevent damage to the mechanism caused by too fast mold closing.

In some embodiments, the utility model also includes a mold closing low pressure adjustment block, wherein the mold closing low pressure adjustment block is connected to the main oil circuit and the auxiliary oil circuit respectively, and a switch is installed at the connection between the mold closing low pressure adjustment block and the auxiliary oil circuit. The mold closing low pressure adjustment block can reduce the system pressure when the system is closing the mold at a slow speed, so that it can adapt to the pressure required for the slow mold closing and ensure the smooth progress of the slow mold closing.

Description of drawings

Fig. 1 is a hydraulic schematic diagram of a new die-casting machine switching mold hydraulic system according to an embodiment of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Referring to Fig. 1, a new die casting machine switch mold hydraulic system, including switch mold cylinder 1, accumulator 2, oil pump 3, fuel tank 4, main oil circuit 5, auxiliary oil circuit 6, switch 7, neutron cylinder 8, extrusion Oil cylinder 9 and mold adjusting motor 11, oil pump 3 are connected with oil tank 4 by oil pipe, make oil pump 3 can absorb oil from oil tank 4.

The main oil circuit 5 includes a switch mold reversing valve 10 , a main pressure adjusting valve 51 , a neutron reversing valve 80 , an extrusion reversing valve 90 and a mold thickness adjusting reversing valve 110 . The switching mold reversing valve 10, the extruding reversing valve 90 and the mold thickness adjusting reversing valve 110 all select three-position four-way electromagnetic reversing valves, and the neutron reversing valve 80 selects two-position four-way electromagnetic reversing valves. The main pressure regulating valve 51 is connected with the oil pump 3 through an oil pipe.

The switch mode reversing valve 10 is connected with the main pressure regulating valve 51, the accumulator 2, the switch mode oil cylinder 1, and the oil tank 4 respectively through oil pipes, so that both the accumulator 2 and the oil pump 3 can supply oil for the switch mode oil cylinder 1, and the switch The mold reversing valve 10 can change the oil inlet and oil outlet modes of the switch mold oil cylinder 1.

The neutron reversing valve 80 is connected with the main pressure regulating valve 51, the accumulator 2, the neutron oil cylinder 8, and the oil tank 4 respectively through oil pipes, so that both the accumulator 2 and the oil pump 3 can supply oil for the neutron reversing valve 80, And the neutron reversing valve 80 can change the oil inlet and oil outlet modes of the neutron oil cylinder 8 .

The extrusion reversing valve 90 is connected with the main pressure regulating valve 51, the accumulator 2, the extruding oil cylinder 9, and the fuel tank 4 respectively through oil pipes, so that both the accumulator 2 and the oil pump 3 can supply oil for the extrusion reversing valve 80, and the extruding reversing valve Valve 90 can change the oil inlet and oil outlet mode of extruding oil cylinder 9.

The mold thickness adjustment reversing valve 110 is connected with the main pressure adjustment valve 51, the accumulator 2, the mold adjustment motor 11, and the oil tank 4 respectively through oil pipes, so that both the accumulator 2 and the oil pump 3 can supply the mold thickness adjustment reversing valve 110. Oil, and the mold thickness adjustment reversing valve 110 can change the oil inlet and outlet mode of the mold adjustment motor 11.

The auxiliary oil circuit 6 is surrounded by a plurality of oil pipes and is in a ring shape, and the switch mold oil cylinder 1, the neutron oil cylinder 8, the extrusion oil cylinder 9, the mold adjusting motor 11, the accumulator 2, the oil pump 3 and the oil tank 4 are all connected with the auxiliary oil circuit 6 is connected by oil pipes, and a switch 7 is installed at the connection between the above-mentioned components and the auxiliary oil circuit 6, and the switch 7 can control whether the position is connected. The oil pump 3 and the accumulator 2 can also supply oil to the switch mold oil cylinder 1, the neutron oil cylinder 8, the extrusion oil cylinder 9, and the mold adjustment motor 11 through the auxiliary oil circuit 6 when needed.

When the utility model is working, the oil pump 3 is turned on, the accumulator 2 can store energy, and the pressure of the system can be controlled by adjusting the main pressure regulating valve 51 .

When it is necessary to carry out switch mold work, switch the switch mold reversing valve 10 according to the need, so that the oil pump 3 and the accumulator 2 supply oil to the switch mold cylinder 1 through the main oil circuit 5, and the switch mold cylinder 1 works to open and close the mold . And when it is necessary to quickly switch the switch mold oil cylinder 1, you can open the switch mold oil cylinder 1 and connect the corresponding switch 7 needed in the auxiliary oil circuit 6, and the oil pump 3 and the accumulator 2 can also be used for the switch model through the auxiliary oil circuit 6. Oil cylinder 1 supplies oil, increases the oil supply volume of switch mold oil cylinder 1, and realizes fast switch mold.

For the rapid realization of the insertion and insertion of the mold core in the mold, the extrusion of the mold, the adjustment of the mold thickness and its corresponding actions, the operation of the neutron cylinder 8, the extrusion cylinder 9, and the mold adjustment motor 11 can be controlled by analogy to the above operations.

The main oil circuit can also include a first speed regulating valve 52 and a second speed regulating valve 53, and the first speed regulating valve 52 is installed between the oil circuit connected to the oil pump 3 and the neutron oil cylinder 8, so that the first speed regulating valve 52 can To control the working speed of the neutron oil cylinder 8, the second speed regulating valve 53 is installed between the oil pump 3 and the oil passage connected to the extruding oil cylinder 9, so that the second speed regulating valve 53 can control the working speed of the extruding oil cylinder 9.

The main oil circuit can also include a slow mold closing solenoid valve 54, and the slow mold closing solenoid valve 54 is a two-position four-way solenoid valve. The slow mold closing electromagnetic valve 54 is connected with the switch mold oil cylinder 1, the main pressure regulating valve 51, and the auxiliary oil circuit 6 respectively through oil pipes, and a switch 7 is installed at the junction of the slow mold closing electromagnetic valve 54 and the auxiliary oil circuit 6, so that After realizing fast mold opening, it is necessary to realize slow mold closing. By closing the switch 7 of this part, the flow rate of auxiliary oil circuit 6 can be reduced, so as to reduce the mold closing speed.

The utility model can also include a mold closing low-pressure adjustment block 12, which is formed by connecting a relief valve and a two-position four-way solenoid valve through oil pipes, and it is connected with the main oil circuit 5 and the auxiliary oil circuit 6 respectively. The oil pipe is connected, and a switch 7 is installed at the connection between the mold closing low-pressure adjustment block 12 and the auxiliary oil circuit 6 . Make, by opening the switch 7 of this part when needed, the mold closing low pressure adjustment block 12 can unload part of the pressure through the auxiliary oil circuit 6, to reduce the pressure of the main oil circuit 5, and ensure the low pressure environment of the mold closing.

In addition, the main oil circuit 5 can also be provided with a clamping pressure adjustment valve 55, a check valve 56 and a third speed regulating valve 57, which are all connected between the switch mold cylinder 1 and the oil pump 3. When clamping the mold, the mold clamping pressure adjustment valve 55 can facilitate the adjustment of the mold clamping pressure, the check valve 56 can prevent the mold from retreating, and ensure the reliability of the mold clamping, and the third speed regulating valve 57 can facilitate the opening and closing of the mold cylinder 1 speed regulation.

Furthermore, where needed in the main oil circuit 5 and the auxiliary oil circuit 6 of the system, oil pressure gauges can also be connected through oil pipes to detect the oil pressure at specific positions to ensure the safety of the utility model.

What have been described above are only some embodiments of the present utility model. For those skilled in the art, without departing from the inventive concept of the present utility model, some modifications and improvements can be made, and these all belong to the protection scope of the present utility model.

Claims (9)

1. novel die casting machine switching molding hydraulic system, it is characterised in that including switch mould oil cylinder (1), accumulator (2), oil pump (3), fuel tank (4), working connection (5), auxiliary oil way (6) and switch (7), the switch mould oil cylinder (1), accumulator (2), oil pump (3) it is connected respectively with working connection (5), auxiliary oil way (6) with fuel tank (4), the oil pump (3) is connected with fuel tank (4), described The junction of switch mould oil cylinder (1), accumulator (2), oil pump (3) and fuel tank (4) and auxiliary oil way (6) is mounted on switch (7).

2. novel die casting machine switching molding hydraulic system according to claim 1, it is characterised in that working connection (5) bag Include switching molding reversal valve (10) and principal pressure adjustment valve (51), the switching molding reversal valve (10) and principal pressure adjustment valve (51), Accumulator (2), switch mould oil cylinder (1), fuel tank (4) connect respectively.

3. novel die casting machine switching molding hydraulic system according to claim 2, it is characterised in that including neutron oil cylinder (8), The working connection (5) includes neutron reversal valve (80), the neutron reversal valve (80) and principal pressure adjustment valve (51), accumulator (2), neutron oil cylinder (8), fuel tank (4) connect respectively, and the neutron oil cylinder (8) is connected with auxiliary oil way (6), the middle seed oil Cylinder (8) and the junction of auxiliary oil way (6) are provided with switch (7).

4. novel die casting machine switching molding hydraulic system according to claim 3, it is characterised in that working connection (5) bag The first speed governing valve (52) is included, first speed governing valve (52) is installed between oil pump (3) and neutron oil cylinder (8).

5. novel die casting machine switching molding hydraulic system according to claim 2, it is characterised in that including extrusion oil cylinder (9), The working connection (5) includes extrusion reversal valve (90), the extrusion reversal valve (90) and principal pressure adjustment valve (51), accumulator (2), extrusion oil cylinder (9), fuel tank (4) connect respectively, and the extrusion oil cylinder (9) is connected with auxiliary oil way (6), the extrusion oil Cylinder (9) and the junction of auxiliary oil way (6) are provided with switch (7).

6. novel die casting machine switching molding hydraulic system according to claim 5, it is characterised in that working connection (5) bag The second speed governing valve (53) is included, second speed governing valve (53) is installed between oil pump (3) and extrusion oil cylinder (9).

7. novel die casting machine switching molding hydraulic system according to claim 2, it is characterised in that including mode transfer motor (11), the working connection (5) includes the thick adjustment reversal valve (110) of mould, and the thick adjustment reversal valve (110) of the mould adjusts with principal pressure Valve (51), accumulator (2), mode transfer motor (11), fuel tank (4) connect respectively, the mode transfer motor (11) and auxiliary oil way (6) phase Connection, the mode transfer motor (11) and the junction of auxiliary oil way (6) are provided with switch (7).

8. novel die casting machine switching molding hydraulic system according to claim 2, it is characterised in that working connection (5) bag Slow clamping solenoid valve (54) is included, the slow clamping solenoid valve (54) is with switching mould oil cylinder (1), principal pressure adjusts valve (51), Auxiliary oil way (6) connects respectively, and the slow clamping solenoid valve (54) and the junction of auxiliary oil way (6) are provided with switch (7).

9. novel die casting machine switching molding hydraulic system according to claim 1, it is characterised in that including closing the adjustment of mould low pressure Block (12), the pass mould low pressure adjustment block (12) are connected respectively with working connection (5), auxiliary oil way (6), the pass mould low pressure adjustment Block (12) and the junction of auxiliary oil way (6) are provided with switch (7).