CN207414306U - A kind of die casting machine pneumatic oil filling device - Google Patents

Abstract

The utility model discloses a kind of die casting machine pneumatic oil filling devices, including pneumatic diaphragm pump, pedestal, ball valve, air vent valve, fuel inlet ball check valve, go out oil return check valve, air inlet pipe, oil inlet pipe and flowline, the pneumatic diaphragm pump is placed on the pedestal, the air inlet pipe, oil inlet pipe and flowline are connected respectively with the air inlet, oil inlet, oil outlet of pneumatic diaphragm pump, ball valve, air vent valve and pressure gauge are equipped in the air inlet pipe successively, the oil inlet pipe is equipped with fuel inlet ball check valve, and the flowline is equipped with out oil return check valve.The pneumatic oil filling device of the utility model is easy to operate, safe to use and again energy-efficient, and pump can keep efficient always, will not be reduced because of abrasion, while the maintenance of device is simple, reduces cost.

Description

A kind of die casting machine pneumatic oil filling device

Technical field

The utility model is related to a kind of refueling devices, and in particular to a kind of die casting machine pneumatic oil filling device.

Background technology

At present, in Die Casting Industry, either that die casting machine, the overwhelming majority all employs hydraulic transmission technology, and die casting The working media of machine is also essentially hydraulic oil, therefore the equipment refueled to die casting machine is also come into being.And nowadays using the most Extensive device is electroprimer.

With reference to produce reality, the most commonly used is a kind of typical electric oil-filling pumps.Its basic principle is to make electricity using shaft coupling Machine is connected with the axle center of pump, is driven and pumped by motor, and the impeller of pump drives liquid at high speed revolution, and liquid flows to outer rim by impeller center When, certain vacuum is formd in impeller center, since the pressure of storage tank ullage is more than the pressure at pump intake, liquid is just Continuously it is pressed into impeller.As long as impeller constantly rotates, hydraulic oil constantly will be inhaled into and discharge.

But pass through using discovery, this kind of oiling method should be noted the following there are certain drawbacks：

1st, motor is threephase asynchronous machine, and access three phase mains is needed before oiling.

2nd, need the rotation direction for first observing motor whether reverse after having connect power supply, if motor reversal then needs to change wiring Phase sequence rewiring.

3rd, when refueling since the power output of motor is bigger, when hydraulic oil pumps out next by oil pump, its impulse force is very big, When hydraulic oil enters fuel tank, large quantity of air can be brought into and enter hydraulic oil in fuel tank.So shape that cannot be opened in die casting machine It refuels under state.Die casting machine can only first be stopped and operate in hydraulic oil filling.

4th, it cannot refuel for a long time, motor and the pump housing can be made to generate heat when refueling for a long time, hydraulic fluid temperature is caused to raise, Make hydraulic pressure deterioration of oil, and can be more than the normal operating range of die casting machine hydraulic fluid temperature.With certain danger.

5th, after adding hydraulic oil, need to wait until that the air in fuel tank in hydraulic oil is emerged could restart die casting machine, otherwise Gas can cause the work of die casting machine to have some setbacks so that the production of production after entering hydraulicdriven executive component and dynamical element Product technique is not achieved, and even results in the damage of hydraulicdriven executive component and dynamical element.

6th, motor need to be closed in advance when adding one barrel of hydraulic oil soon, it is impossible to pump is made to dally, in order to avoid cause the damage of pump.

Utility model content

Purpose of utility model：The purpose of this utility model is to solve deficiency of the prior art, provides a kind of operation Simply, die casting machine pneumatic oil filling device safe to use and again energy-efficient.

Technical solution：A kind of die casting machine pneumatic oil filling device described in the utility model, including pneumatic diaphragm pump, bottom Seat, ball valve, fuel inlet ball check valve, go out oil return check valve, air inlet pipe, oil inlet pipe and flowline, the pneumatic diaphragm pump at air vent valve Be placed on the pedestal, the air inlet pipe, oil inlet pipe and flowline respectively with the air inlet of pneumatic diaphragm pump, oil inlet, go out Hydraulic fluid port connects, and is equipped with ball valve, air vent valve and pressure gauge in the air inlet pipe successively, and the oil inlet pipe is equipped with oil inlet non-return Valve, the flowline are equipped with out oil return check valve.

Further, the ball valve uses DN15 type ball valves.

Further, the air vent valve uses single column air vent valve.

Further, the fuel inlet ball check valve, go out oil return check valve using DN25 one way stop peturn valves.

Further, the pressure gauge uses pressure gauge with bottom connection, range of pressure values 0-1.6MPa.

Further, the pneumatic diaphragm pump uses the pneumatic diaphragm pump of aluminium alloy structure.

Advantageous effect：The beneficial effects of the utility model are as follows：

（1）Present apparatus power source is compressed air, itself is clean energy resource, environmentally protective.

（2）Pump will not overheat, and with compressed air, pneumatic diaphragm pump is the mistake of a swelling heat absorption in exhaust Journey, temperature is to reduce during work.

（3）It is extremely low to the shearing force of liquid：How how inspiration pumps out during work, minimum to the agitation of liquid, is suitable for The conveying of unstable material.

（4）Pneumatic diaphragm pump will not can be damaged while be also safe from danger, securely and reliably with dry running.

（5）Without complicated electric control system, without electrical equipments such as cable, fuses.So electrical fire will not be generated Flower, pneumatic diaphragm pump do not have to electrical actuation power.

（6）The liquid that can be conveyed is extremely wide, from low viscosity to highly viscous, obtains sticky all may be used from corrosivity To use

（7）Pump can keep efficient always, will not be reduced because of abrasion, while the maintenance of device is simple.

（8）All element low costs of the present apparatus, reduce cost.

（9）The present apparatus can control flow, it is possible to open die casting machine while refueling, improve production yields.

Description of the drawings

Fig. 1 is the structure diagram of the utility model refueling device.

Specific embodiment

Technical scheme is described in further detail with reference to specific embodiment.

A kind of die casting machine pneumatic oil filling device as shown in Figure 1, including pneumatic diaphragm pump 6, pedestal 5, ball valve 1, pneumatic Pressure regulator valve 2, fuel inlet ball check valve 3 go out oil return check valve 7, air inlet pipe 8, oil inlet pipe 9 and flowline 10, and the pneumatic diaphragm pump 6 is placed On the pedestal 5, the air inlet pipe 8, oil inlet pipe 9 and flowline 10 respectively with the air inlet of pneumatic diaphragm pump 6, oil inlet, Oil outlet connects, and is equipped with ball valve 1, air vent valve 2 and pressure gauge 4 in the air inlet pipe 8 successively, and the oil inlet pipe 9 is equipped with Fuel inlet ball check valve 3, the flowline 10 are equipped with out oil return check valve 7.

Further optimization as above-described embodiment：

Preferably, the ball valve 1 uses DN15 type ball valves.

Preferably, the air vent valve 2 uses single column air vent valve.

Preferably, the fuel inlet ball check valve 3, go out oil return check valve 7 use DN25 one way stop peturn valves.

Preferably, the pressure gauge 4 uses pressure gauge with bottom connection, range of pressure values 0-1.6MPa.

Preferably, the pneumatic diaphragm pump 6 uses the pneumatic diaphragm pump of aluminium alloy structure.

It is then operated according to following steps when needing to refuel to die casting machine.

A. air inlet connects compressed air；

B. ball valve is opened.It is that in case of emergency, closing ball valve can stop refueling that it, which is acted on,；

C. compressed air pass through air vent valve, at this moment need pressure gauge observe admission pressure, if pressure it is bigger than normal or It then needs to adjust to proper air pressure when less than normal；

D. compressed air enters pneumatic diaphragm pump, and pump interior diaphragm reciprocal transformation causes volume variation so as to the liquid of oil inlet Pressure oil is pumped into the one way stop peturn valve of oil outlet by the one way stop peturn valve of oil inlet, finally flows into fuel tank.Its effect is to prevent Operating personnel do anti-oil inlet and oil outlet, while can also prevent the hydraulic oil back suction of oil outlet when stopping is refueled from entering oil inlet.

The pneumatic oil filling device of the utility model is easy to operate, safe to use and again energy-efficient, and pump can keep high always Effect, will not reduce, while the maintenance of device is simple, reduces cost because of abrasion.

The above descriptions are merely preferred embodiments of the present invention, and not the utility model is made in any form Limitation, although the utility model has been disclosed with preferred embodiment as above, be not limited to the utility model, it is any ripe Professional and technical personnel is known, is not being departed from the range of technical solutions of the utility model, when in the technology using the disclosure above Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model Hold, any simple modification, equivalent change and modification that foundation the technical essence of the utility model makees above example, still Belong in the range of technical solutions of the utility model.

Claims (6)

1. a kind of die casting machine pneumatic oil filling device, it is characterised in that：Including pneumatic diaphragm pump（6）, pedestal（5）, ball valve（1）、 Air vent valve（2）, fuel inlet ball check valve（3）, go out oil return check valve（7）, air inlet pipe（8）, oil inlet pipe（9）And flowline（10）, institute State pneumatic diaphragm pump（6）It is placed on the pedestal（5）On, the air inlet pipe（8）, oil inlet pipe（9）And flowline（10）Respectively with Pneumatic diaphragm pump（6）Air inlet, oil inlet, oil outlet connection, the air inlet pipe（8）On successively be equipped with ball valve（1）, pneumatic adjust Pressure valve（2）And pressure gauge（4）, the oil inlet pipe（9）It is equipped with fuel inlet ball check valve（3）, the flowline（10）It is equipped with fuel-displaced Check-valves（7）.

2. a kind of die casting machine pneumatic oil filling device according to claim 1, it is characterised in that：The ball valve（1）Using DN15 type ball valves.

3. a kind of die casting machine pneumatic oil filling device according to claim 1, it is characterised in that：The air vent valve （2）Using single column air vent valve.

4. a kind of die casting machine pneumatic oil filling device according to claim 1, it is characterised in that：The fuel inlet ball check valve （3）, go out oil return check valve（7）Using DN25 one way stop peturn valves.

5. a kind of die casting machine pneumatic oil filling device according to claim 1, it is characterised in that：The pressure gauge（4）It adopts With pressure gauge with bottom connection, range of pressure values 0-1.6MPa.

6. a kind of die casting machine pneumatic oil filling device according to claim 1, it is characterised in that：The pneumatic diaphragm pump （6）Using the pneumatic diaphragm pump of aluminium alloy structure.